CN215958752U - Toothbrush head reset by spring - Google Patents

Abstract

The utility model relates to the field of machinery, in particular to a toothbrush head. A toothbrush head adopting a spring for resetting comprises a toothbrush head body, wherein the toothbrush head body comprises a front brush plate, an upper brush plate, a rear brush plate and a spring; the upper part of the rear brush board is provided with a fixed bracket, the fixed bracket is provided with a first chute, and the front brush board is connected with the upper brush board through a connecting bracket; the upper portion of preceding brush board is equipped with the apron, and the apron setting all is equipped with the second spout in the top of fixed bolster on the both sides portion of apron. Through the design, the utility model provides the toothbrush head which is reset by the spring, and the bristles surround the teeth through the matching work of the front brush plate, the upper brush plate and the rear brush plate in the toothbrush head; through the cooperation work of apron, fixed bolster and spring in the toothbrush head for the adaptation tooth's that toothbrush head can the preferred thickness change, the trilateral brush hair of being convenient for closely laminates the tooth surface, realizes the clean effect of preferred and has guaranteed the travelling comfort, has improved people's use and has experienced.

Description

Toothbrush head reset by spring

Technical Field

The utility model relates to the field of machinery, in particular to a toothbrush head.

Background

Along with the improvement of people to the clean demand of tooth, the toothbrush of traditional single face brush hair can not satisfy people's demand already, the toothbrush of current trilateral brush hair is through the trilateral brush hair of encircleing in the tooth outside, can carry out comprehensive and efficient cleanness to people's tooth, however the toothbrush brush head of the toothbrush of current trilateral brush hair is for the thickness change of adaptation tooth, often adopt deformable elastic material to make, nevertheless because the restriction of toothbrush brush head self structure and elastic material's deformability, the thickness change of the adaptation tooth of unable preferred, make trilateral brush hair can not laminate the tooth surface, can't realize that the cleaning performance and the travelling comfort of preferred are lower.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a toothbrush head with spring return to solve at least one of the above mentioned technical problems.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a toothbrush head adopting a spring for resetting comprises a toothbrush head body and is characterized in that the toothbrush head body comprises a front brush plate, an upper brush plate, a rear brush plate and a spring for resetting, wherein brush hair is arranged on the rear side surface of the front brush plate, brush hair is arranged on the lower side surface of the upper brush plate, and brush hair is arranged on the front side surface of the rear brush plate;

the upper part of the rear brush plate is provided with a fixed support, the fixed support is provided with a first chute for mounting the upper brush plate, the front brush plate is arranged on the front side of the fixed support, and the front brush plate is connected with the upper brush plate through a connecting support;

a cover plate is arranged at the upper part of the front brush plate and is arranged above the fixed support, and second sliding grooves matched with the fixed support are formed in the two side parts of the cover plate;

the spring sets up the below of apron, a tip of spring is equipped with first solid fixed ring, another tip of spring is equipped with the solid fixed ring of second, first solid fixed ring is fixed to through first connecting piece on the preceding brush board, the solid fixed ring of second passes through the second connecting piece and fixes to the rear portion of fixed bolster.

The front brush plate comprises a first base plate and a front brush hair piece, wherein a first embedding groove used for embedding the front brush hair piece is formed in the first base plate;

the outer side of the front bristle piece is provided with at least one first protrusion, and the inner wall of the first embedded groove is provided with a first clamping groove matched with the first protrusion.

The rear brush plate comprises a second base plate and a rear brush hair piece, and a second embedded groove used for embedding the rear brush hair piece is formed in the second base plate;

the outer side part of the rear brushing piece is provided with at least one second protrusion, and the inner wall of the second embedded groove is provided with a second clamping groove matched with the second protrusion.

The first connecting piece comprises a first upright post arranged above the front bristle piece, the second connecting piece comprises a second upright post arranged on the upper side of the fixed bracket, one end part of the spring is fixed on the first upright post, and the other end part of the spring is fixed on the second upright post;

the front brush blade is provided with the connecting support used for connecting an upper brush plate, the connecting support is provided with a first fixing column, the front part of the upper brush plate is provided with a second fixing column, the first fixing column is connected with the second fixing column through a connecting rod, one side part of the connecting rod is provided with a first through hole used for penetrating the first fixing column, and the other side part of the connecting rod is provided with a second through hole used for penetrating the second fixing column;

the first upright post is arranged on the connecting bracket.

The first stand is provided with a first groove used for clamping the first fixing ring, and the second stand is provided with a second groove used for clamping the second fixing ring.

The first connecting piece comprises a first injection molding piece, the first injection molding piece comprises a first fixing block and a first steel wire, the first fixing block is arranged above the front bristle piece, two end parts of the first steel wire are embedded in the first fixing block, the first fixing ring is sleeved on the first steel wire, the second connecting piece comprises a second injection molding piece, the second injection molding piece comprises a second fixing block, a third fixing block and a second steel wire, the second fixing block and the third fixing block are respectively arranged above two sides of the fixing support, two end parts of the second steel wire are respectively embedded in the second fixing block and the third fixing block, and the second fixing ring is sleeved on the second steel wire;

the upper side of the rear part of the fixed support is provided with an installation plate, two side parts of the installation plate are respectively provided with a first fixed groove, the second fixed block and the third fixed block are respectively arranged in the first fixed grooves on the two sides of the installation plate, and the middle part of the installation plate is provided with a strip-shaped groove for penetrating through the spring;

the connecting support is used for connecting the upper brush plate and is arranged on the first fixing block, the first fixing column is arranged on the connecting support, the second fixing column is arranged on the front portion of the upper brush plate, the first fixing column is connected with the second fixing column through a connecting rod, a first through hole used for penetrating the first fixing column is formed in one side portion of the connecting rod, and a second through hole used for penetrating the second fixing column is formed in the other side portion of the connecting rod.

The front brush blade is provided with the connecting support used for connecting the upper brush plate, the connecting support is provided with a first fixing column, the front part of the upper brush plate is provided with a second fixing column, and the first fixing column is connected with the second fixing column through a connecting rod;

the first connecting piece comprises a first upright post, the first upright post is arranged on the connecting support, and the first fixing ring is sleeved on the first upright post;

the second connecting piece comprises a second injection molding piece, the second injection molding piece comprises a second fixed block, a third fixed block and a second steel wire, the second fixed block and the third fixed block are respectively arranged above two sides of the fixed support, two end parts of the second steel wire are respectively embedded in the second fixed block and the third fixed block, and the second fixed ring is sleeved on the second steel wire;

the upside at the rear portion of fixed bolster is equipped with the mounting panel, all be equipped with first fixed slot on the both sides portion of mounting panel, the second fixed block sets up respectively with the third fixed block in the first fixed slot of mounting panel both sides, the middle part of mounting panel is equipped with and is used for passing the strip recess of spring.

The first connecting piece comprises a first injection molding piece, the first injection molding piece comprises a first fixing block and a first steel wire, the first fixing block is arranged above the front bristle piece, two end parts of the first steel wire are embedded in the first fixing block, and the first fixing ring is sleeved on the first steel wire;

the second connecting piece comprises a fourth fixing block, a second fixing groove used for being embedded into the fourth fixing block is formed in the rear portion of the fixing support, a third stand column is arranged on the fourth fixing block, and the second fixing ring is sleeved on the third stand column;

the connecting support is used for connecting the upper brush plate and is arranged on the first fixing block, the first fixing column is arranged on the connecting support, the second fixing column is arranged on the front portion of the upper brush plate, the first fixing column is connected with the second fixing column through a connecting rod, a first through hole used for penetrating the first fixing column is formed in one side portion of the connecting rod, and a second through hole used for penetrating the second fixing column is formed in the other side portion of the connecting rod.

The front brush blade is provided with the connecting support used for connecting the upper brush plate, the connecting support is provided with a first fixing column, the front part of the upper brush plate is provided with a second fixing column, and the first fixing column is connected with the second fixing column through a connecting rod;

the first connecting piece comprises a first upright post, the first upright post is arranged on the connecting support, and the first fixing ring is sleeved on the first upright post;

the second connecting piece includes the fourth fixed block, the rear portion of fixed bolster is equipped with and is used for the embedding the second fixed slot of fourth fixed block, be equipped with the third stand on the fourth fixed block, the solid fixed ring cover of second is established on the third stand.

Through the design, the utility model provides the toothbrush head which is reset by the spring, and the bristles surround the teeth through the matching work of the front brush plate, the upper brush plate and the rear brush plate in the toothbrush head; through the cooperation work of apron, fixed bolster and spring in the toothbrush head for the adaptation tooth's that toothbrush head can the preferred thickness change, the trilateral brush hair of being convenient for closely laminates the tooth surface, realizes the clean effect of preferred and has guaranteed the travelling comfort, has improved people's use and has experienced.

Drawings

FIG. 1 is a schematic view of a portion of the structure of the present invention;

FIG. 2 is an exploded view of a portion of the present invention;

FIG. 3 is a partial schematic structural diagram of a first embodiment of the present invention;

FIG. 4 is a partially exploded view of a first embodiment of the present invention;

FIG. 5 is a schematic partial structural diagram of a second embodiment of the present invention;

FIG. 6 is a partially exploded view of a second embodiment of the present invention;

FIG. 7 is a second partially exploded view of the second embodiment of the present invention;

FIG. 8 is a schematic partial structural diagram of a third embodiment of the present invention;

FIG. 9 is an exploded view of a portion of a third embodiment of the present invention;

FIG. 10 is a first partial schematic structural diagram of a fourth embodiment of the present invention;

FIG. 11 is a second partial schematic structural diagram of a fourth embodiment of the present invention;

FIG. 12 is an exploded view of a fourth embodiment of the present invention;

FIG. 13 is a first partial schematic structural diagram of a fifth embodiment of the present invention;

FIG. 14 is a second partial schematic structural diagram of a fifth embodiment of the present invention;

fig. 15 is an exploded view of a fifth embodiment of the present invention.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 15, a toothbrush head adopting spring reset comprises a toothbrush head body, wherein the toothbrush head body comprises a front brush plate 1, an upper brush plate 8, a rear brush plate 3 and a spring for reset, the rear side surface of the front brush plate 1 is provided with bristles 2, the lower side surface of the upper brush plate 8 is provided with bristles, and the front side surface of the rear brush plate 3 is provided with bristles; the upper part of the rear brush board 3 is provided with a fixed bracket 7, the fixed bracket 7 is provided with a first chute for installing an upper brush board 8, the front brush board 1 is arranged at the front side of the fixed bracket 7, and the front brush board is connected with the upper brush board 8 through a connecting bracket 10; a cover plate 4 is arranged at the upper part of the front brush plate 1, the cover plate 4 is arranged above the fixed bracket 7, and second sliding grooves matched with the fixed bracket 7 are arranged on two side parts of the cover plate 4; spring 11 sets up in the below of apron 4, and one end of spring 11 is equipped with first solid fixed ring, and another tip of spring 11 is equipped with the solid fixed ring of second, and first solid fixed ring is fixed to preceding brush board 1 through first connecting piece, and the solid fixed ring of second is fixed to the rear portion of fixed bolster 7 through the second connecting piece. Through the design, the utility model provides the toothbrush head which is reset by the spring 11, and the bristles surround the teeth through the matching work of the front brush plate 1, the upper brush plate 8 and the rear brush plate 3 in the toothbrush head; through the cooperation work of apron 4, fixed bolster 7 and spring 11 in the toothbrush head for the adaptation tooth's that toothbrush head can the preferred thickness change, the trilateral brush hair of being convenient for closely laminates the tooth surface, realizes the clean effect of preferred and has guaranteed the travelling comfort, has improved people's use and has experienced.

In order to guarantee the using effect of the toothbrush head, strip-shaped bulges are arranged on the two side parts of the cover plate 4, the second sliding groove is arranged on the strip-shaped bulges, the length direction of the strip-shaped bulges is the same as that of the cover plate 4, and the connecting parts of the strip-shaped bulges and the cover plate 4 are chamfered. The toothbrush head body comprises a brush head handle 12, and the brush head handle 12 is rotatably connected with the fixed support 7 through a rotating shaft. The rear part of the fixed bracket 7 is provided with a rotating shaft, and the front part of the brush head handle 12 is provided with a rotating shaft mounting hole for mounting the rotating shaft.

The front brush board 1 comprises a first base board and a front brush hair piece 5, wherein a first embedded groove used for embedding the front brush hair piece 5 is formed in the first base board. The back side of the front bristle plate 5 is provided with bristles 2. The outer side of the front bristle piece 5 is provided with at least one first protrusion, and the inner wall of the first embedded groove is provided with a first clamping groove matched with the first protrusion. The first bulge is in a strip shape, and the cross section of the first bulge is in a semicircular shape. The rear brush plate 3 comprises a second base plate and a rear brush piece 6, and a second embedded groove used for embedding the rear brush piece 6 is formed in the second base plate. The front side surface of the rear brush hair piece 6 is provided with brush hair. The outer side of the rear brushing piece 6 is provided with at least one second protrusion, and the inner wall of the second embedded groove is provided with a second clamping groove matched with the second protrusion. The second bulge is strip-shaped, and the cross section of the second bulge is semicircular. Through the structure that the front bristle piece 5 is embedded into the first base plate and the rear bristle piece 6 is embedded into the second base plate, the production and the assembly of the toothbrush head are facilitated.

The first embodiment is as follows:

as shown in fig. 3 to 4, the first link member includes a first post 13, the first post 13 is disposed above the front bristle plate 5, the second link member includes a second post 14, the second post 14 is disposed at an upper side of the fixing bracket 7, one end portion of the spring 11 is fixed to the first post 13, and the other end portion of the spring 11 is fixed to the second post 14. The first upright post 13 is provided with a first groove for clamping the first fixing ring, and the second upright post 14 is provided with a second groove for clamping the second fixing ring. Be equipped with on preceding brush hair piece 5 and be used for connecting the linking bridge 10 of connecting brush board 8, be equipped with first fixed column on linking bridge 10, the front portion of going up brush board 8 is equipped with the second fixed column, links to each other through connecting rod 9 between first fixed column and the second fixed column, is equipped with the first through-hole that is used for passing first fixed column on one side portion of connecting rod 9, is equipped with the second through-hole that is used for passing the second fixed column on another lateral part of connecting rod 9. The first upright 13 is provided on the connecting bracket 10. The first upright column 13 and the connecting bracket 10 adopt an integrated structure. The connecting bracket 10 and the front bristle plate 5 adopt an integrated structure. When the toothbrush is used, the toothbrush head passes through incisors in the oral cavity to the molars, so that the toothbrush head is spread along with the increase of the thickness of the teeth, and the distance between the front brush plate and the rear brush plate is increased; when the toothbrush head passes through teeth grinding in the oral cavity to reach incisors, the toothbrush head is reset by the spring 11 along with the reduction of the thickness of the teeth, the spring 11 tensions the first upright column 13 and the second upright column 14, and further the distance between the front brush board and the rear brush board is restored to the original state; meanwhile, the upper brush plate 8 is driven by the connecting support 10 and other components to move forwards and backwards in the first sliding groove, so that the upper brush plate 8 can be maintained at the middle part close to the upper surface of the teeth, and the three-side brush hair can be attached to the surface of the teeth, thereby realizing better cleaning effect.

The second embodiment is as follows:

as shown in fig. 5 to 7, the first connecting member includes a first injection-molded part, the first injection-molded part includes a first fixing block 15 and a first steel wire 16, the first fixing block 15 is disposed above the front bristle piece 5, both end portions of the first steel wire 16 are embedded in the first fixing block 15, the first fixing ring is sleeved on the first steel wire 16, the second connecting member includes a second injection-molded part, the second injection-molded part includes a second fixing block 17, a third fixing block 18 and a second steel wire 19, the second fixing block 17 and the third fixing block 18 are respectively disposed above both sides of the fixing bracket 7, both end portions of the second steel wire 19 are respectively embedded in the second fixing block 17 and the third fixing block 18, and the second fixing ring is sleeved on the second steel wire 19. The upside at the rear portion of fixed bolster 7 is equipped with mounting panel 20, all is equipped with first fixed slot on the both sides portion of mounting panel 20, and second fixed block 17 and third fixed block 18 set up respectively in the first fixed slot of mounting panel 20 both sides, and the middle part of mounting panel 20 is equipped with the strip groove that is used for passing spring 11. When the first injection molding parts wrapping the two ends of the steel wire are produced, the first fixing ring is sleeved on the first steel wire 16, and then the first fixing block 15 is subjected to injection molding; when the second injection molding parts wrapping the two ends of the steel wire are produced, the second fixing ring is sleeved on the second steel wire 19, and then the second fixing block 17 and the third fixing block 18 are subjected to injection molding. Be equipped with on first fixed block 15 and be used for connecting the linking bridge 10 of connecting upper brush board 8, be equipped with first fixed column on linking bridge 10, the front portion of upper brush board 8 is equipped with the second fixed column, links to each other through connecting rod 9 between first fixed column and the second fixed column, is equipped with the first through-hole that is used for passing first fixed column on one side portion of connecting rod 9, is equipped with the second through-hole that is used for passing the second fixed column on another lateral part of connecting rod 9. The first fixing block 15 and the connecting bracket 10 adopt an integrated structure. When the toothbrush is used, the toothbrush head passes through incisors in the oral cavity to the molars, so that the toothbrush head is spread along with the increase of the thickness of the teeth, and the distance between the front brush plate and the rear brush plate is increased; when the toothbrush head passes through teeth grinding in the oral cavity to reach incisors, the toothbrush head is reset by the spring 11 along with the reduction of the thickness of the teeth, the spring 11 tensions the first injection molding part and the second injection molding part, and further the distance between the front brush plate and the rear brush plate is restored to the original state; meanwhile, the upper brush plate 8 is driven by the connecting support 10 and other components to move forwards and backwards in the first sliding groove, so that the upper brush plate 8 can be maintained at the middle part close to the upper surface of the teeth, and the three-side brush hair can be attached to the surface of the teeth, thereby realizing better cleaning effect.

The third concrete embodiment:

as shown in fig. 8-9, a connecting bracket 10 for connecting the upper brush plate 8 is arranged on the front brush blade 5, a first fixing column is arranged on the connecting bracket 10, a second fixing column is arranged at the front part of the upper brush plate 8, and the first fixing column and the second fixing column are connected through a connecting rod 9; the first connecting piece comprises a first upright post 13, the first upright post 13 is arranged on the connecting bracket 10, and the first fixing ring is sleeved on the first upright post 13; the second connecting piece comprises a second injection molding piece, the second injection molding piece comprises a second fixing block 17, a third fixing block 18 and a second steel wire 19, the second fixing block 17 and the third fixing block 18 are respectively arranged above two sides of the fixing support 7, two end parts of the second steel wire 19 are respectively embedded in the second fixing block 17 and the third fixing block 18, and the second fixing ring is sleeved on the second steel wire 19. The upside at the rear portion of fixed bolster 7 is equipped with mounting panel 20, all is equipped with first fixed slot on the both sides portion of mounting panel 20, and second fixed block 17 and third fixed block 18 set up respectively in the first fixed slot of mounting panel 20 both sides, and the middle part of mounting panel 20 is equipped with the strip groove that is used for passing spring 11. The front bristle plate 5 is connected with the connecting bracket 10 through a buckle. The first upright column 13 and the connecting bracket 10 adopt an integrated structure. The first upright column 13 and the connecting bracket 10 are both made of metal. Preferably, the first upright column 13 and the connecting bracket 10 are both made of steel. When the toothbrush is used, the toothbrush head passes through incisors in the oral cavity to the molars, so that the toothbrush head is spread along with the increase of the thickness of the teeth, and the distance between the front brush plate and the rear brush plate is increased; when the toothbrush head passes through teeth grinding in the oral cavity to reach incisors, the toothbrush head is reset by the spring 11 along with the reduction of the thickness of the teeth, the spring 11 tensions the first upright post 13 and the second injection molding part, and further the distance between the front brush board and the rear brush board is restored to the original state; meanwhile, the upper brush plate 8 is driven by the connecting support 10 and other components to move forwards and backwards in the first sliding groove, so that the upper brush plate 8 can be maintained at the middle part close to the upper surface of the teeth, and the three-side brush hair can be attached to the surface of the teeth, thereby realizing better cleaning effect.

The fourth concrete embodiment:

as shown in fig. 10 to 12, the first connecting member includes a first injection-molded part, the first injection-molded part includes a first fixing block 15 and a first steel wire 16, the first fixing block 15 is disposed above the front bristle piece 5, both ends of the first steel wire 16 are embedded in the first fixing block 15, and the first fixing ring is sleeved on the first steel wire 16; the second connecting piece comprises a fourth fixing block 21, a second fixing groove 23 used for being embedded into the fourth fixing block 21 is formed in the rear portion of the fixing support 7, a third upright post 22 is arranged on the fourth fixing block 21, and the second fixing ring is sleeved on the third upright post 22. The fourth fixing block 21 and the third upright column 22 adopt an integrated structure. The third upright post and the fourth fixed block are both made of metal. Preferably, the third upright column 22 and the fourth fixing block 21 are both made of steel. Be equipped with on first fixed block 15 and be used for connecting the linking bridge 10 of connecting upper brush board 8, be equipped with first fixed column on linking bridge 10, the front portion of upper brush board 8 is equipped with the second fixed column, links to each other through connecting rod 9 between first fixed column and the second fixed column, is equipped with the first through-hole that is used for passing first fixed column on one side portion of connecting rod 9, is equipped with the second through-hole that is used for passing the second fixed column on another lateral part of connecting rod 9. The first fixing block 15 and the connecting bracket 10 adopt an integrated structure. When the toothbrush is used, the toothbrush head passes through incisors in the oral cavity to the molars, so that the toothbrush head is spread along with the increase of the thickness of the teeth, and the distance between the front brush plate and the rear brush plate is increased; when the toothbrush head passes through teeth grinding in the oral cavity to reach incisors, the toothbrush head is reset by the spring 11 along with the reduction of the thickness of the teeth, the spring 11 tensions the first injection molding part and the fourth fixed block 21, and further the distance between the front brush board and the rear brush board is restored to the original state; meanwhile, the upper brush plate 8 is driven by the connecting support 10 and other components to move forwards and backwards in the first sliding groove, so that the upper brush plate 8 can be maintained at the middle part close to the upper surface of the teeth, and the three-side brush hair can be attached to the surface of the teeth, thereby realizing better cleaning effect.

The fifth concrete embodiment:

as shown in fig. 13 to 15, a connecting bracket 10 for connecting the upper brush plate 8 is arranged on the front brush blade 5, a first fixing column is arranged on the connecting bracket 10, a second fixing column is arranged at the front part of the upper brush plate 8, and the first fixing column and the second fixing column are connected through a connecting rod 9; the first connecting piece comprises a first upright post 13, the first upright post 13 is arranged on the connecting bracket 10, and the first fixing ring is sleeved on the first upright post 13; the second connecting piece comprises a fourth fixing block 21, a second fixing groove 23 used for being embedded into the fourth fixing block 21 is formed in the rear portion of the fixing support 7, a third upright post 22 is arranged on the fourth fixing block 21, and the second fixing ring is sleeved on the third upright post 22. The front bristle plate 5 is connected with the connecting bracket 10 through a buckle. The first upright column 13 and the connecting bracket 10 adopt an integrated structure. The fourth fixing block 21 and the third upright column 22 adopt an integrated structure. The first upright column 13, the connecting bracket 10, the third upright column 22 and the fourth fixing block 21 are all made of metal. Preferably, the first upright column 13, the connecting bracket 10, the third upright column 22 and the fourth fixing block 21 are made of steel. When the toothbrush is used, the toothbrush head passes through incisors in the oral cavity to the molars, so that the toothbrush head is spread along with the increase of the thickness of the teeth, and the distance between the front brush plate and the rear brush plate is increased; when the toothbrush head passes through teeth grinding in the oral cavity to reach incisors, the toothbrush head is reset by the spring 11 along with the reduction of the thickness of the teeth, the spring 11 tensions the first upright post 13 and the fourth fixed block 21, and further the distance between the front brush board and the rear brush board is restored to the original state; meanwhile, the upper brush plate 8 is driven by the connecting support 10 and other components to move forwards and backwards in the first sliding groove, so that the upper brush plate 8 can be maintained at the middle part close to the upper surface of the teeth, and the three-side brush hair can be attached to the surface of the teeth, thereby realizing better cleaning effect.

In the design, the first connecting piece can adopt one of a first stand column, a first injection molding piece and a third stand column, the second connecting piece can adopt one of a second stand column, a second injection molding piece and a fourth fixing block, and different parts can be respectively adopted for matching through the first connecting piece and the second connecting piece so as to realize the effect of fixing the spring.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A toothbrush head adopting a spring for resetting comprises a toothbrush head body and is characterized in that the toothbrush head body comprises a front brush plate, an upper brush plate, a rear brush plate and a spring for resetting, wherein brush hair is arranged on the rear side surface of the front brush plate, brush hair is arranged on the lower side surface of the upper brush plate, and brush hair is arranged on the front side surface of the rear brush plate;

the upper part of the rear brush plate is provided with a fixed support, the fixed support is provided with a first chute for mounting the upper brush plate, the front brush plate is arranged on the front side of the fixed support, and the front brush plate is connected with the upper brush plate through a connecting support;

a cover plate is arranged at the upper part of the front brush plate and is arranged above the fixed support, and second sliding grooves matched with the fixed support are formed in the two side parts of the cover plate;

the spring sets up the below of apron, a tip of spring is equipped with first solid fixed ring, another tip of spring is equipped with the solid fixed ring of second, first solid fixed ring is fixed to through first connecting piece on the preceding brush board, the solid fixed ring of second passes through the second connecting piece and fixes to the rear portion of fixed bolster.

2. The toothbrush head using spring return of claim 1, wherein the front brush plate includes a first base plate, a front bristle plate, the first base plate having a first fitting groove for fitting the front bristle plate;

the outer side of the front bristle piece is provided with at least one first protrusion, and the inner wall of the first embedded groove is provided with a first clamping groove matched with the first protrusion.

3. The toothbrush head using spring return of claim 1 or 2, wherein the rear brush plate includes a second base plate, a rear bristle piece, and a second insertion groove for inserting the rear bristle piece is formed on the second base plate;

the outer side part of the rear brushing piece is provided with at least one second protrusion, and the inner wall of the second embedded groove is provided with a second clamping groove matched with the second protrusion.

4. A spring-return toothbrush head according to claim 2, characterised in that the first connecting member comprises a first upright disposed above the front bristle plate, and the second connecting member comprises a second upright disposed on the upper side of the fixed support, one end of the spring being fixed to the first upright, the other end of the spring being fixed to the second upright;

the front brush blade is provided with the connecting support used for connecting an upper brush plate, the connecting support is provided with a first fixing column, the front part of the upper brush plate is provided with a second fixing column, the first fixing column is connected with the second fixing column through a connecting rod, one side part of the connecting rod is provided with a first through hole used for penetrating the first fixing column, and the other side part of the connecting rod is provided with a second through hole used for penetrating the second fixing column;

the first upright post is arranged on the connecting bracket.

5. The spring-return toothbrush head according to claim 4, wherein the first upright has a first groove for retaining the first retaining ring, and the second upright has a second groove for retaining the second retaining ring.

6. The toothbrush head adopting spring return of claim 2, wherein the first connecting member comprises a first injection-molded part, the first injection-molded part comprises a first fixing block and a first steel wire, the first fixing block is arranged above the front bristle piece, both ends of the first steel wire are embedded in the first fixing block, the first fixing ring is sleeved on the first steel wire, the second connecting member comprises a second injection-molded part, the second injection-molded part comprises a second fixing block, a third fixing block and a second steel wire, the second fixing block and the third fixing block are respectively arranged above both sides of the fixing bracket, both ends of the second steel wire are respectively embedded in the second fixing block and the third fixing block, and the second fixing ring is sleeved on the second steel wire;

the upper side of the rear part of the fixed support is provided with an installation plate, two side parts of the installation plate are respectively provided with a first fixed groove, the second fixed block and the third fixed block are respectively arranged in the first fixed grooves on the two sides of the installation plate, and the middle part of the installation plate is provided with a strip-shaped groove for penetrating through the spring;

the connecting support is used for connecting the upper brush plate and is arranged on the first fixing block, the first fixing column is arranged on the connecting support, the second fixing column is arranged on the front portion of the upper brush plate, the first fixing column is connected with the second fixing column through a connecting rod, a first through hole used for penetrating the first fixing column is formed in one side portion of the connecting rod, and a second through hole used for penetrating the second fixing column is formed in the other side portion of the connecting rod.

7. A toothbrush head adopting spring reset as claimed in claim 2, wherein the front brush blade is provided with the connecting bracket for connecting the upper brush plate, the connecting bracket is provided with a first fixing column, the front part of the upper brush plate is provided with a second fixing column, and the first fixing column and the second fixing column are connected through a connecting rod;

the first connecting piece comprises a first upright post, the first upright post is arranged on the connecting support, and the first fixing ring is sleeved on the first upright post;

the second connecting piece comprises a second injection molding piece, the second injection molding piece comprises a second fixed block, a third fixed block and a second steel wire, the second fixed block and the third fixed block are respectively arranged above two sides of the fixed support, two end parts of the second steel wire are respectively embedded in the second fixed block and the third fixed block, and the second fixed ring is sleeved on the second steel wire;

the upside at the rear portion of fixed bolster is equipped with the mounting panel, all be equipped with first fixed slot on the both sides portion of mounting panel, the second fixed block sets up respectively with the third fixed block in the first fixed slot of mounting panel both sides, the middle part of mounting panel is equipped with and is used for passing the strip recess of spring.

8. The toothbrush head adopting spring return of claim 2, wherein the first connecting member comprises a first injection molded part, the first injection molded part comprises a first fixing block and a first steel wire, the first fixing block is arranged above the front bristle piece, two end portions of the first steel wire are embedded in the first fixing block, and the first fixing ring is sleeved on the first steel wire;

the second connecting piece comprises a fourth fixing block, a second fixing groove used for being embedded into the fourth fixing block is formed in the rear portion of the fixing support, a third stand column is arranged on the fourth fixing block, and the second fixing ring is sleeved on the third stand column;

the connecting support is used for connecting the upper brush plate and is arranged on the first fixing block, the first fixing column is arranged on the connecting support, the second fixing column is arranged on the front portion of the upper brush plate, the first fixing column is connected with the second fixing column through a connecting rod, a first through hole used for penetrating the first fixing column is formed in one side portion of the connecting rod, and a second through hole used for penetrating the second fixing column is formed in the other side portion of the connecting rod.

9. A toothbrush head adopting spring reset as claimed in claim 2, wherein the front brush blade is provided with the connecting bracket for connecting the upper brush plate, the connecting bracket is provided with a first fixing column, the front part of the upper brush plate is provided with a second fixing column, and the first fixing column and the second fixing column are connected through a connecting rod;

the first connecting piece comprises a first upright post, the first upright post is arranged on the connecting support, and the first fixing ring is sleeved on the first upright post;

the second connecting piece includes the fourth fixed block, the rear portion of fixed bolster is equipped with and is used for the embedding the second fixed slot of fourth fixed block, be equipped with the third stand on the fourth fixed block, the solid fixed ring cover of second is established on the third stand.

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