CN211647726U - Door and window hinge with adjustable opening and closing tightness - Google Patents
Door and window hinge with adjustable opening and closing tightness Download PDFInfo
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- CN211647726U CN211647726U CN201922312839.XU CN201922312839U CN211647726U CN 211647726 U CN211647726 U CN 211647726U CN 201922312839 U CN201922312839 U CN 201922312839U CN 211647726 U CN211647726 U CN 211647726U
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- bottom plate
- hinge
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Abstract
The utility model provides a door and window hinge of elasticity adjustable opens and shuts, comprising a base plate, the trailing arm, be equipped with the spout along its length direction on link mechanism and the slider bottom plate, slider slidable ground sets up in the spout, the bottom plate, the trailing arm, rotatable articulated between link mechanism and the slider, make and to strut relatively and fold between trailing arm and the bottom plate, the slider includes the top shoe, slider connection piece and adjusting screw, top shoe and slider connection piece are located the top side and the bottom side of spout respectively, adjusting screw wears to establish on top shoe and slider connection piece, make top shoe and slider connection piece link together, can change the elasticity between top shoe and the slider connection piece through twisting adjusting screw, make the frictional force between slider and the spout change, thereby change the elasticity when door and window hinge opens and shuts, and has the advantages of simple structure, and convenient operation.
Description
Technical Field
The utility model relates to a door and window hinge technical field, concretely relates to elasticity adjustable door and window hinge opens and shuts.
Background
In the door and window industry, a casement window is generally fixed on a window frame section bar by adopting a door and window hinge so as to realize the fixed installation of a window sash. The door and window hinges existing in the existing market comprise hidden hinges, three-connecting-rod sliding support type hinges, four-connecting-rod sliding support type hinges and the like, and can realize fixed installation of window sashes.
The existing door and window hinge is folded and unfolded generally through linkage among the supporting arm, the connecting rod and the bottom plate, a strip-shaped sliding groove is formed in the bottom plate along the length direction, a sliding block is arranged on the strip-shaped sliding groove in a sliding mode, the connecting rod is hinged with the sliding block, and the sliding block makes long-distance linear motion on the strip-shaped sliding groove by applying external force, so that the door and window hinge is folded and unfolded.
However, present door and window hinge can not adjust the elasticity when opening and shutting when using, if the opening and shutting of door and window hinge is too tight can make door and window's opening and shutting become hard, if too loose can have certain potential safety hazard, in addition, even door and window hinge's elasticity is moderate, nevertheless in long-time use, along with the increase of the number of times of opening and shutting, the moderate door and window hinge of elasticity also can appear the condition of becoming flexible gradually, and because door and window hinge's elasticity can not adjust, can lead to door and window hinge more and more not hard up, the security risk also increases thereupon.
Therefore, the opening and closing tightness of the door and window hinge cannot be adjusted to bring certain inconvenience and safety risk to life, and therefore the door and window hinge capable of adjusting the opening and closing tightness is urgently needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a door and window hinge of elasticity adjustable opens and shuts, door and window hinge can change the elasticity of opening and shutting through twisting adjusting screw, has simple convenient characteristics.
In order to realize the above purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a door and window hinge of elasticity adjustable opens and shuts, includes bottom plate, trailing arm, link mechanism and slider, be equipped with the spout along its length direction on the bottom plate, slider slidable ground sets up in the spout, rotatable articulated between bottom plate, trailing arm, link mechanism and the slider makes can strut relatively between trailing arm and the bottom plate and fold up, the slider includes top shoe, slider connection piece and adjusting screw, top shoe and slider connection piece are located the top side and the bottom side of spout respectively, adjusting screw wears to establish on top shoe and slider connection piece, makes top shoe and slider connection piece link together, moves the elasticity between adjusting screw can change top shoe and the slider connection piece through twisting, makes the frictional force between slider and the spout change.
As a further improvement, the link mechanism includes a first connecting rod, a second connecting rod and a third connecting rod, one end of the first connecting rod is hinged on the left side of the bottom plate, the other end is hinged on the tail part of the supporting arm, one end of the second connecting rod is hinged on the right side of the bottom plate, the other end is hinged between the middle part and the tail part of the supporting arm, the chute is arranged at the middle part of the bottom plate, one end of the third connecting rod is hinged on the slider of the middle chute, and the other end is hinged between the middle part and the right end of the second connecting rod.
As a further improvement of the utility model, the third connecting rod is worn to establish through the pin on last slider and slider connection piece in order to realize and the slider between articulated.
As a further improvement, the right side of the hinge point between the first connecting rod and the bottom plate is provided with a stopper, and the stopper is located the rotation range of the first connecting rod, so that the first connecting rod is stopped when rotating to the stopper.
As a further improvement, the position of the limiting block makes the included angle between the first connecting rod and the bottom plate when the first connecting rod rotates not more than 90 degrees.
As a further improvement of the utility model, the trailing arm includes trailing arm mainboard and bearing accessory plate, the bearing accessory plate is fixed in the bottom side of trailing arm mainboard, sets up along trailing arm mainboard length direction from the afterbody of trailing arm mainboard, and length is the third of trailing arm mainboard at least, pin joint between first connecting rod and the trailing arm to and pin joint between second connecting rod and the trailing arm all wears to establish on trailing arm mainboard and bearing accessory plate.
As a further improvement, the left end of the bottom plate is provided with a prying-resistant portion, the tail end of the bearing auxiliary plate is provided with a prying-resistant block matched with the prying-resistant portion in shape, and when the supporting arm and the bottom plate are folded relatively, the prying-resistant block is arranged in the prying-resistant portion.
As a further improvement of the present invention, the window frame further comprises a fastening piece for fixing the door/window hinge and the window frame section, wherein any one of the left and right sides of the fastening piece is hinged to the bottom side of the bottom plate, the other side of the fastening piece is provided with a positioning hole, the bottom plate is provided with a K slot hole and a C slot hole, the positioning hole of the fastening piece is arranged on the K slot hole or the C slot hole by rotating the fastening piece, and is fixed by a screw, and when the positioning hole of the fastening piece is fixed on the K slot hole, the fastening piece can be fastened on the K slot window frame section; when the positioning hole of the clamping and fixing sheet is fixed on the C-groove hole, the clamping and fixing sheet can be clamped and fixed on the C-groove window frame section.
As a further improvement of the utility model, all hinges are realized by pins and gaskets.
The utility model has the advantages that: the utility model discloses in, the slider comprises top shoe, slider connection piece and adjusting screw, moves adjusting screw through twisting and can make the elasticity between top shoe and the slider connection piece change, makes the frictional force between slider and the spout change to elasticity when changing door and window hinge and opening has simple structure, the characteristics of simple operation.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic structural plan view of the present invention;
description of the labeling: 1-bottom plate, 11-chute, 12-limit block, 13-anti-prying part, 14-K slot hole, 15-C slot hole, 2-bracket, 21-bracket main plate, 22-bearing auxiliary plate, 23-anti-prying block, 3-link mechanism, 31-first link, 32-second link, 33-third link, 4-slide, 41-upper slide, 42-slide connecting piece, 43-adjusting screw, 5-clamping piece and 51-positioning hole.
Detailed Description
The present invention will be further described with reference to the following embodiments and accompanying drawings.
As shown in fig. 1-3, a door and window hinge with adjustable opening and closing tightness comprises a base plate 1, a support arm 2, a link mechanism 3 and a slide block 4. The middle part of the bottom plate 1 is provided with a sliding groove 11 along the length direction thereof, and the sliding block 4 is arranged in the sliding groove 11 in a sliding way. The link mechanism 3 comprises a first link 31, a second link 32 and a third link 33, one end of the first link 31 is hinged on the left side of the bottom plate 1, the other end is hinged on the tail part of the supporting arm 2, one end of the second link 32 is hinged on the right side of the bottom plate 1, the other end is hinged between the middle part and the tail part of the supporting arm 2, one end of the third link 33 is hinged on the sliding block 4 of the middle sliding groove 11, and the other end is hinged between the middle part and the right end of the second link 32. Through the rotatable hinges among the components, the bracket arm 2 and the bottom plate 1 can be relatively unfolded and folded to realize the opening and closing of the door and window hinge. The sliding block 4 comprises an upper sliding block 41, a sliding block connecting piece 42 and an adjusting screw 43, the upper sliding block 41 and the sliding block connecting piece 42 are respectively positioned at the top side and the bottom side of the sliding groove 11, the adjusting screw 43 penetrates through the upper sliding block 41 and the sliding block connecting piece 42, so that the upper sliding block 41 and the sliding block connecting piece 42 are connected together, and the third connecting rod 33 penetrates through the upper sliding block 41 and the sliding block connecting piece 42 through a pin to realize the hinge connection with the sliding block 4.
When the door and window hinge is used, the tightness between the upper sliding block 41 and the sliding block connecting piece 42 can be changed by screwing the adjusting screw 43, so that the friction force between the sliding block 4 and the sliding groove 11 is changed, and the tightness when the door and window hinge is opened and closed is changed.
Further, the right side of the hinge point between the first connecting rod 31 and the bottom plate 1 is provided with a limiting block 12, the limiting block 12 is located in the rotating range of the first connecting rod 31, and the position of the limiting block 12 enables the included angle between the first connecting rod 31 and the bottom plate 1 when the first connecting rod 31 rotates not to be larger than 90 degrees. The limit block 12 limits the opening range of the door and window hinges, so that the door and window is prevented from being opened too much, and potential safety hazards are reduced.
Further, the supporting arm 2 comprises a supporting arm main plate 21 and a bearing auxiliary plate 22, the bearing auxiliary plate 22 is fixed on the bottom side of the supporting arm main plate 21, the bearing auxiliary plate is arranged along the length direction of the supporting arm main plate 21 from the tail part of the supporting arm main plate 21, the length of the bearing auxiliary plate is slightly one half of that of the supporting arm main plate 21, and a hinge point between the first connecting rod 31 and the supporting arm 2 and a hinge point between the second connecting rod 32 and the supporting arm 2 are arranged on the supporting arm main plate 21 and the bearing auxiliary plate 22 in a penetrating mode. The load-bearing auxiliary plate 22 can improve the load-bearing capacity of the door/window hinge.
Further, the left end of the bottom plate 1 is provided with a prying-resistant portion 13, the tail end of the bearing auxiliary plate 22 is provided with a prying-resistant block 23 matched with the prying-resistant portion 13 in shape, and when the supporting arm 2 and the bottom plate 1 are relatively folded, the prying-resistant block 23 is arranged in the prying-resistant portion 13. When the door and window hinge is closed, the anti-prying block 23 and the anti-prying part 13 are arranged, so that the door and window hinge can be prevented from being pried open by other people by using external force and tools, and certain safety anti-theft capability is realized.
Further, the door and window fixing device further comprises a clamping and fixing piece 5 used for fixing the door and window hinge and the window frame section bar, wherein any one of the left side and the right side of the clamping and fixing piece 5 is hinged to the bottom side of the bottom plate 1, the other side of the clamping and fixing piece 5 is provided with a positioning hole 51, the bottom plate 1 is provided with a K slotted hole 14 and a C slotted hole 15, and the positioning hole 51 of the clamping and fixing piece 5 is placed on the K slotted hole 14 or the C slotted hole 15 through rotating the clamping and fixing. Through the setting of K slotted hole 14 and C slotted hole 15, can make the card solid piece 5 adjust into different width along bottom plate 1 direction to be applicable to K groove window frame section bar and C groove window frame section bar respectively. When the door and window hinge is installed, the position of the positioning hole 51 is selected and selected according to the notch of the window frame section bar and is fixed, and when the positioning hole 51 of the clamping and fixing sheet 5 is fixed on the K groove hole 14, the clamping and fixing sheet 5 can be clamped and fixed on the K groove window frame section bar; when the positioning hole 51 of the fastening piece 5 is fixed on the C-slot 15, the fastening piece 5 can be fastened on the C-slot window frame profile. Through the arrangement of the K slotted hole 14 and the C slotted hole 15, the door and window hinge can be simultaneously suitable for K slotted window frame profiles and C slotted window frame profiles, and has the characteristic of strong applicability.
Further, all the hinges are realized by pins and gaskets.
The above-mentioned embodiments are only used to conveniently illustrate the present invention, and are not to the limit of the present invention in any form, and any person who knows commonly in the technical field has, if not in the scope of the technical features of the present invention, utilize the present invention to make the equivalent embodiment of local change or modification, and not to break away from the technical features of the present invention, and all still belong to the technical features of the present invention.
Claims (9)
1. The utility model provides a door and window hinge of elasticity adjustable opens and shuts, includes bottom plate, trailing arm, link mechanism and slider, be equipped with the spout along its length direction on the bottom plate, slider slidable ground sets up in the spout, rotatable articulated between bottom plate, trailing arm, link mechanism and the slider makes can strut relatively between trailing arm and the bottom plate and fold its characterized in that: the slider includes top shoe, slider connection piece and adjusting screw, top shoe and slider connection piece are located the top side and the bottom side of spout respectively, adjusting screw wears to establish on top shoe and slider connection piece, makes top shoe and slider connection piece link together, can change the elasticity between top shoe and the slider connection piece through twisting adjusting screw, makes the frictional force between slider and the spout change.
2. The hinge for doors and windows with adjustable opening and closing tightness as claimed in claim 1, wherein: the connecting rod mechanism comprises a first connecting rod, a second connecting rod and a third connecting rod, one end of the first connecting rod is hinged to the left side of the bottom plate, the other end of the first connecting rod is hinged to the tail portion of the supporting arm, one end of the second connecting rod is hinged to the right side of the bottom plate, the other end of the second connecting rod is hinged between the middle portion of the supporting arm and the tail portion of the supporting arm, the sliding groove is formed in the middle portion of the bottom plate, one end of the third connecting rod is hinged to a sliding block of the sliding groove in the middle portion.
3. The hinge for doors and windows with adjustable opening and closing tightness as claimed in claim 2, wherein: and the third connecting rod penetrates through the upper sliding block and the sliding block connecting piece through a pin to realize the hinge connection with the sliding block.
4. The hinge for doors and windows with adjustable opening and closing tightness as claimed in claim 2, wherein: the right side of the hinge point between the first connecting rod and the bottom plate is provided with a limiting block, and the limiting block is located in the rotating range of the first connecting rod, so that the first connecting rod is blocked and limited when rotating to the limiting block.
5. The hinge for doors and windows with adjustable opening and closing tightness as claimed in claim 4, wherein: the position of the limiting block enables an included angle between the first connecting rod and the bottom plate to be not larger than 90 degrees when the first connecting rod rotates.
6. The hinge for doors and windows with adjustable opening and closing tightness as claimed in claim 2, wherein: the supporting arm comprises a supporting arm main plate and a bearing auxiliary plate, the bearing auxiliary plate is fixed on the bottom side of the supporting arm main plate, the bearing auxiliary plate is arranged along the length direction of the supporting arm main plate from the tail of the supporting arm main plate, the length of the bearing auxiliary plate is at least one third of that of the supporting arm main plate, and a hinge point between the first connecting rod and the supporting arm and a hinge point between the second connecting rod and the supporting arm are arranged on the supporting arm main plate and the bearing auxiliary plate in a penetrating mode.
7. The hinge for doors and windows with adjustable opening and closing tightness as claimed in claim 6, wherein: the left end of the bottom plate is provided with a prying-resistant part, the tail end of the bearing auxiliary plate is provided with a prying-resistant block matched with the prying-resistant part in shape, and when the supporting arm and the bottom plate are relatively folded, the prying-resistant block is arranged in the prying-resistant part.
8. The hinge for doors and windows with adjustable opening and closing tightness as claimed in claim 1, wherein: the door and window hinge is characterized by further comprising a clamping and fixing piece used for fixing the door and window hinge and the window frame section, wherein the left side and the right side of the clamping and fixing piece are hinged to the bottom side of the bottom plate, the other side of the clamping and fixing piece is provided with a positioning hole, the bottom plate is provided with a K slotted hole and a C slotted hole, the positioning hole of the clamping and fixing piece is arranged on the K slotted hole or the C slotted hole by rotating the clamping and fixing piece and is fixed through a screw, and when the positioning hole of the clamping and fixing piece is fixed on the K slotted hole, the clamping and fixing; when the positioning hole of the clamping and fixing sheet is fixed on the C-groove hole, the clamping and fixing sheet can be clamped and fixed on the C-groove window frame section.
9. The hinge for doors and windows with adjustable opening and closing tightness as claimed in any one of claims 1 to 8, wherein: all hinges are implemented using pins and washers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922312839.XU CN211647726U (en) | 2019-12-20 | 2019-12-20 | Door and window hinge with adjustable opening and closing tightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922312839.XU CN211647726U (en) | 2019-12-20 | 2019-12-20 | Door and window hinge with adjustable opening and closing tightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211647726U true CN211647726U (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922312839.XU Active CN211647726U (en) | 2019-12-20 | 2019-12-20 | Door and window hinge with adjustable opening and closing tightness |
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| Country | Link |
|---|---|
| CN (1) | CN211647726U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696106A (en) * | 2020-10-15 | 2021-04-23 | 佛山瓦瑟门窗科技有限公司 | High-bearing flat-open hinge with flat groove for preventing indoor side from falling |
-
2019
- 2019-12-20 CN CN201922312839.XU patent/CN211647726U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696106A (en) * | 2020-10-15 | 2021-04-23 | 佛山瓦瑟门窗科技有限公司 | High-bearing flat-open hinge with flat groove for preventing indoor side from falling |
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