CN113907550A

CN113907550A - Aluminum office chair with body-building and exercise effects

Info

Publication number: CN113907550A
Application number: CN202111452732.0A
Authority: CN
Inventors: 高凯
Original assignee: Zhejiang Kaiyue Furniture Manufacturing Co ltd
Current assignee: Zhongshan Dongye Furniture Manufacturing Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-01-11
Anticipated expiration: 2041-12-01
Also published as: CN113907550B

Abstract

The invention belongs to the technical field of office furniture, and particularly relates to an aluminum office chair with fitness and exercise effects, which comprises a chair frame, a stool and a sliding assembly, wherein the sliding assembly comprises a rail which is arranged on the chair frame and is provided with a concave rail; the moving block is arranged in the concave track, the length of the moving block is smaller than that of the track, and the moving block can move back and forth along the length direction of the concave track under external force; the power springs are divided into two groups, one group of the power springs is abutted against one end of the moving block, and the other group of the power springs is abutted against the other end of the moving block; the connecting block is connected with the moving block and is connected with the stool. This application makes to sit the bench and can remove chair frame relatively through setting up the subassembly that slides to can make things convenient for the official working personnel to make a round trip to slide in order to take exercise official working personnel's waist, avoid the official working personnel to cause the psoatic strain because of sitting for a long time, ensure that the official working personnel is healthy.

Description

Aluminum office chair with body-building and exercise effects

Technical Field

The invention belongs to the technical field of office furniture, and particularly relates to an aluminum office chair with fitness and exercise effects.

Background

In daily study and the working process of people, the office chair provides comfort and convenience for people during work and study. Present office chair is mostly the chair that has the universal wheel, and this chair has and removes conveniently, and the interval between drawing personnel and the desk that can relax, but because the chair has the universal wheel, it is in the official working period, can cause the chair activity of making a round trip along with the action of personnel's small-amplitude, and especially personnel stretch the foot in office time when action such as relaxing the knee, chair and unstability cause the personnel to fall easily. And to the chair of no universal wheel, though can make things convenient for personnel to sit and move about on the chair, but when needs draw the interval between personnel and the office chair near, it is very inconvenient, also can not make things convenient for personnel to take exercise the waist and alleviate the condition of office personnel's psoatic strain simultaneously.

Disclosure of Invention

The invention provides an aluminum office chair with body-building and exercise effects to overcome the defects of the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: an aluminium system office chair with body-building exercise efficiency, include the chair frame that contacts with ground, set up in with the bench of the buttock of supporting the human body on the chair frame, set up in with the back of supporting the human back on the chair frame and connect the chair frame with the subassembly that slides of bench, wherein the subassembly that slides includes

The track is arranged on the chair frame and is provided with a concave track;

the moving block is arranged in the concave track, the length of the moving block is smaller than that of the track, and the moving block can move back and forth along the length direction of the concave track under external force;

the power springs are arranged in the concave track and are divided into two groups, one group of the power springs is abutted against one end of the moving block, and the other group of the power springs is abutted against the other end of the moving block;

the connecting block is connected with the moving block and is connected with the stool.

This application makes to sit the bench and can remove chair frame relatively through setting up the subassembly that slides to can make things convenient for the official working personnel to make a round trip to slide in order to take exercise official working personnel's waist, avoid the official working personnel to cause the psoatic strain because of sitting for a long time, ensure that the official working personnel is healthy. And the chair frame of the chair is free of universal wheels, so that the office chair is not easy to move, and the stability of personnel during working is facilitated.

Optionally, the track including have the track body of concave rail and with the track body is connected in order to press from both sides fixed block on the chair frame, track body one side is provided with the access groove, be provided with on the fixed block and imbed the access strip in the access groove, the fixed block opposite side pass through the bolt with this body coupling of track.

Optionally, a dust guard plate for covering the power spring is arranged on the track body. The dust blocking plate can keep the interior of the concave rail clean, and therefore the moving block moves stably.

Optionally, sit the bench include with the bench skeleton of sitting that the connecting block is connected, set up in sit elastic construction on the bench skeleton, center on filling structure and cushion around the elastic construction, the cushion is in on elastic construction and the filling structure, and this cushion with sit the bench skeleton and be connected.

Optionally, the elastic structure includes a bottom plate connected to the stool framework and a plurality of springs disposed on the bottom plate. The comfort of the stool can be improved by arranging the bottom plate and the spring.

Optionally, a plurality of tooth sockets are arranged on the side wall of the track body at equal intervals, a locking rod is rotatably connected to the stool framework, and a locking block associated with the tooth sockets is arranged at the lower end of the locking rod. Through being locking lever and locking piece, it is fixed the bench skeleton, keeps stability and the security of office chair in the use.

Optionally, the locking block is provided with a plurality of locking teeth which can be inserted into the tooth grooves. Insert into the tooth's socket through the locking tooth, its stability after locking stool and track body is good, convenient operation moreover.

Optionally, a through groove of a strip structure is formed in the locking rod, a screw rod penetrating through the through groove is arranged on the stool framework, and two locking nuts used for clamping the locking rod to position the locking block are screwed on the screw rod. The strip-shaped through grooves are arranged to provide enough space for the locking rod to move, so that the locking rod can move smoothly; the locking nut can limit the locking rod, maintain the state that the locking rod is locked on the stool or maintain the state that the locking rod is loosened on the stool, and the whole structure is stable after the locking nut limits the locking rod, and the movement of the stool is convenient.

Optionally, a groove portion is provided on the locking rod, and the locking nut is at least partially disposed in the groove portion. The groove part is arranged on the locking rod, so that the locking nut is limited, and the stability of the locking nut in clamping the locking rod is maintained.

Optionally, the backrest includes a back bar connected to the chair frame, a mounting block disposed on the back bar, a buffer structure disposed on the mounting block, and a back body connecting the two back bars, wherein the back body is associated with the buffer structure; buffer structure including set up in fixed plate on the installation piece, set up in buffer spring on the fixed plate and wear to locate last telescopic link of buffer spring, telescopic link one end with the back of the body coupling, the other end with the fixed plate is connected.

In summary, the stool can slide back and forth on the chair frame through the sliding assembly, so that when an office worker needs to close the distance between the stool and the office table, the worker can pull the stool to move forward, the distance between the worker and the office table is closed, and the worker can conveniently work; and can also be in personnel on duty or when having a rest through the subassembly that slides, exert oneself through the buttock for sit the bench and can the round trip movement, this in-process makes office staff's first half body motionless, and office staff's waist then can make a round trip to twist, thereby will temper office staff's waist, realize relaxing office staff.

Drawings

Fig. 1 is a perspective view of an aluminum office chair according to the present application.

Fig. 2 is a perspective view of the aluminum office chair of fig. 1 from another perspective.

Fig. 3 is an enlarged view of a in fig. 2.

Fig. 4 is an exploded view of the aluminum office chair of fig. 1.

Fig. 5 is a perspective view of the glide assembly of the aluminum office chair of fig. 1.

FIG. 6 is a front view of the glide assembly of FIG. 5.

FIG. 7 is a cross-sectional view of the glide assembly of FIG. 6 taken along line B-B.

Fig. 8 is an exploded view of the glide assembly of fig. 5.

Fig. 9 is an exploded view of the glide assembly of fig. 5 from another perspective.

Fig. 10 is a perspective view of the locking bar of fig. 3.

Fig. 11 is a perspective view of the aluminum office chair of fig. 1.

Fig. 12 is a front view of the aluminum office chair of fig. 1.

Fig. 13 is a cross-sectional view of the bench of fig. 12 taken along line a-a.

Fig. 14 is an exploded view of the bench of fig. 11.

Fig. 15 is an exploded view of the bench of fig. 11 from another perspective.

Fig. 16 is a perspective view of a back assembly of the aluminum office chair of fig. 1.

Fig. 17 is an exploded view of the backrest of fig. 16.

Fig. 18 is a front view of the back rest of fig. 16.

Fig. 19 is a cross-sectional view of the back of fig. 18 taken along line C-C.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Fig. 1 discloses a perspective view of an aluminum office chair, and fig. 2 discloses a perspective view of another perspective view of the aluminum office chair. This office chair facilitates for people daily life and work to this office chair is different with the office chair that the tradition has the gyro wheel, and this office chair is placing behind the desk is preceding, and the office chair can not remove at will under the condition that does not lift or energetically push down, and what the office chair that avoids the tradition to have the universal wheel from this exists appears the office chair along with the human swing and takes place to remove, influences the condition that the office staff worked. Meanwhile, when the distance between the personnel and the office table needs to be reduced, the office chair can be realized without moving the chair frame 10, and the operation is convenient. And this office chair still possesses personnel and in the surplus of work, can sit on the chair and twist the waist in order to realize taking exercise to personnel's waist, and then can reduce the waist damage that personnel sit for a long time and cause.

Fig. 4 discloses an exploded view of an aluminum office chair, particularly illustrating a perspective view of the four major components that make up the aluminum office chair. Specifically, referring to fig. 4 in conjunction with fig. 1 and 2, the aluminum office chair includes a frame 10, a stool 20, a glide assembly 30, and a backrest 40, wherein the frame 10 serves as a support for the entire office chair for supporting the glide assembly 30, the stool 20, and the backrest 40, thereby forming the entire aluminum office chair. Specifically, the chair frame 10 includes two sets of support frames 11, four foot pads 12 and a connecting rod 13, wherein the two sets of support frames 11 are symmetrical to each other, and the two sets of support frames 11 are used for supporting the sliding component 30.

Wherein, support frame 11 is hollow aluminum alloy pole, adopts one of them aspect intensity of aluminum alloy pipe high, ensures office chair's life and stability in use, and on the other hand aluminum alloy metal's weight is low, and it is convenient for carry office chair to establish support frame 11 into cavity, its cost that has reduced whole office chair. Specifically, the supporting frame 11 includes a bottom rod 111, a curved rod 112, a supporting rod 113, and an inclined rod 114, the bottom rod 111 is a hollow aluminum metal tube, and the length direction of the bottom rod 111 is along the front-back direction and is parallel to the ground. After the front end of the bottom rod 111 is bent upwards for a certain distance, the bottom rod 111 is bent upwards and extends along the C-shaped track 31 to form the curved rod 112, the curved rod 112 is designed to be C-shaped, and the curved rod 112 makes the front part of the support frame 11 have certain elasticity, so that when a person falls onto the stool 20 from a certain height, the curved rod 112 is bent elastically to a certain extent, thereby forming a buffering effect on the impact on the stool 20. In addition, the upper end of the curved rod 112 is bent and then extends in the backward direction to form a supporting rod 113 parallel to the bottom rod 111 and having one end suspended. One end of the supporting rod 113 is designed to be suspended, so that the supporting rod 113 has elastic efficiency capable of shaking up and down at the part close to the back, the office chair can have an elastic effect, and the comfort of the office chair is improved. The other end of the bottom bar 111 is bent and then inclined upward to form the inclined bar 114.

The inclined rods 114 of the two groups of supporting frames 11 are connected together through the connecting rod 13, the connecting rod 13 is in an n-shaped structure, and the connecting rod 13 is suspended below the stool 20. The connecting rod 13 can integrate the two sets of bottom rods 111, the curved rod 112, the supporting rod 113 and the inclined rod 114, which on one hand improves the strength of the whole supporting frame 11, and on the other hand, the connecting rod 13 is located below the stool 20, when the chair is impacted by abnormal overlarge force from top to bottom, the stool 20 presses the supporting rod 113 to move downwards, then the stool 20 can be in contact with the connecting rod 13, and the connecting rod 13 is bent downwards to realize secondary buffering, thereby ensuring that the supporting rod 113 cannot be directly broken under strong impact. Of course, after the office chair is used for a long time, if the supporting rod 113 is broken, the connecting rod 13 can also support the sitting stool 20 for a short time to buffer the sitting stool 20, so that the situation that the person sitting on the office chair is seriously injured due to the high falling speed of the person is avoided.

Referring to fig. 1, 2 and 4 together, the foot pad 12 is fixed on the bottom rod 111, the foot pad 12 is made of a high wear-resistant plastic material, the cross section of the foot pad 12 is approximately semicircular, and a circular through groove with a cross section of six fifths is formed by downwards recessing the upper end surface of the foot pad 12, so that the foot pad 12 is sleeved on the bottom rod 111 from bottom to top, and then passes through the bottom rod 111 and the foot pad 12 through a metal shaft, thereby realizing the fixation of the foot pad 12 on the bottom rod 111, wherein two foot pads 12 are fixed on each bottom rod 111 respectively. Through set up callus on the sole 12 at bottom bar 111, its one hand has increased the area between callus on the sole 12 and the ground, and on the other hand raises the height with bottom bar 111 to ensure the stability that office chair placed on the ground. The bottom of the foot pad 12 is substantially planar, and a plurality of anti-slip ribs 121 are formed at the bottom of the foot pad 12 and partially protrude outwards and downwards, and the anti-slip ribs 121 improve the anti-slip performance between the foot pad 12 and the ground, so that the stability of the office chair in use is improved.

The sliding assemblies 30 are two sets, and the two sets of sliding assemblies 30 are respectively fixed on the supporting rod 113 and used for connecting the supporting rod 113 and the stool 20, so that the stool 20 can move back and forth relative to the supporting rod 113. The sliding assembly 30 comprises a track 31, a moving block 32, a connecting block 33 and a power spring 34, wherein the track 31 is clamped on the supporting rod 113. Specifically, the rail 31 includes a rail body 311 and a fixing block 312, wherein the length of the rail body 311 is similar to the length of the supporting rod 113, the rail body 311 is made of solid aluminum alloy, and the length of the rail body 311 is La. The fixing block 312 is used to connect with the rail body 311 to clamp the supporting rod 113. Specifically, the lower end surface of the rail body 311 is recessed upwards to form a semicircular groove 3111, the groove 3111 of the rail body 311 is correspondingly sleeved on the support bar 113, and a semicircular rotation-stopping convex portion 3111a is formed by protruding downwards at the middle part of the inner wall of the groove 3111, and the upper end surface of the support bar 113 is recessed downwards to form a rotation-stopping concave portion 1131 with a semicircular cross section, so that when the rail body 311 is sleeved on the support bar 113, the rotation-stopping convex portion 3111a is embedded into the rotation-stopping concave portion 1131, and the rail body 311 can be kept on the support bar 113 without rotating. The track body 311 cannot rotate, and the upper end surface of the track body 311 can be ensured to be in a water state, so that the bench 20 can be conveniently and subsequently installed.

The fixing block 312 is a solid aluminum alloy block with a semicircular cross section, the upper end surface of the fixing block 312 is recessed downwards to form a recessed portion 3121, and the recessed portion 3121 and the groove 3111 are combined with each other to form a circular through hole with a cross section consistent with that of the support rod 113. One side of the fixing block 312 is inserted into the rail body 311, so that one side of the fixing block 312 is clamped on the rail body 311, and the other side of the fixing block 312 is connected with the rail body 311 through a bolt. An access slot 3112 is disposed on the rail body 311, and a bottom of the access slot 3112 is partially designed in an arc shape. An access bar 3122 is disposed on the fixing block 312, the access bar 3122 can be inserted into the access groove 3112 to realize quick connection between the fixing block 312 and the rail body 311 at one side, and the fixing block 312 and the rail body 311 at the other side are connected together by four bolts, so that the fixing block 312 and the rail body 311 are connected together to clamp the supporting rod 113. Through adopting the mode that inserts strip 3122 and insert in access groove 3112, realize quick connection between fixed block 312 and track body 311, it improves the installation effectiveness. Meanwhile, the access bar 3122 is snapped into the access groove 3112, which uses the lever principle, so that the supporting rod 113 can be easily clamped when the fixing block 312 is bolted to the rail body 311.

Specifically, a groove rail 3113 is formed locally depressed downward at the upper end surface of the rail body 311, the groove rail 3113 is convex upward in the middle, and both sides inside the groove rail 3113 are grooves whose inner walls are arc-shaped surfaces. The moving block 32 is a solid aluminum alloy block, the moving block 32 is located in the concave track 3113 and the moving block 32 can move back and forth in the concave track 3113, wherein the length of the moving block 32 is Lb, and Lb is equal to one half of La. The length of the moving block 32 is designed to be half of the track body 311, so that the moving space of the moving block 32 on the track body 311 is large, and the adjustment distance of the stool 20 is large. A plurality of rolling balls 321 are fitted into a side wall of the moving block 32, and the rolling balls 321 are in contact with an inner wall of the concave rail 3113, so that friction between the moving block 32 and the inner wall of the concave rail 3113 is small, and the moving block 32 moves more smoothly. In order to prevent the moving block 32 from falling off the concave rail 3113, an end portion of the track main body 311 is partially recessed to form a mounting concave portion 3114, a baffle 3117 is fitted into the mounting concave portion 3114, and the baffle 3117 is fixedly connected to the track main body 311 by bolts. Therefore, when the moving block 32 moves back and forth along the longitudinal direction of the track body 311, the moving block 32 cannot be disengaged from the track body 311. Meanwhile, a stopper 3116 is integrated with upper end portions of left and right inner walls of the concave rail 3113, and the stopper 3116 blocks the moving block 32 so that the moving block 32 cannot be separated from the lower portion to the upper portion. The arrangement of the limiting strip 3116 ensures that the moving block 32 moves stably on the track body 311, and the movement stability of the moving block 32 is ensured.

In order to save labor when a person sits on the seat 20 and repeatedly moves back and forth to relax his waist, two sets of power springs 34 are disposed in the concave track 3113, wherein one set of power springs 34 is disposed at one end of the moving block 32, and one end of the set of power springs 34 abuts against one end of the moving block 32, and the other end abuts against one of the baffles 3117. And the other set of springs is located at the other end of the moving block 32, and one end of the set of assist springs 34 abuts against the other end of the moving block 32, and the other end of the assist springs 34 abuts against the other stop 3115. Through the arrangement of the two groups of power springs 34, when the bench 20 does not need to be moved, the two groups of power springs 34 can position the moving block 32 at the middle position of the concave rail 3113; when the bench 20 needs to be moved or shaken back and forth, the power spring 34 can convert the kinetic energy of the initial movement of the bench 20 into elastic potential energy for storage, so that the movable block 32 can be conveniently reset.

A dust guard 3118 made of rubber and having a wavy cross section is disposed on the track body 311, one end of the dust guard 3118 is connected to the moving block 32 by a screw, and the other end of the dust guard 3118 is connected to the end of the track body 311 by a screw; through the setting of dust board 3118 can block that dust impurity article fall into in the middle of concave rail 3113, reduce the accumulation of the inside dust of concave rail 3113.

The moving block 32 is connected to a connecting block 33 by a bolt, the connecting block 33 is a solid aluminum alloy block, and the connecting block 33 is connected to the moving block 32 by a bolt. Specifically, a positioning concave portion 322 is formed by sinking the middle portion of the moving block 32 downward, and a positioning convex portion 331 is formed by sinking the bottom portion of the connecting block 33 downward, so that when the connecting block 33 is connected with the moving block 32, the positioning convex portion 331 is embedded into the positioning concave portion 322, and then a bolt is connected with the moving block 32 through the positioning convex portion 331. Through setting up connecting block 33, it can ensure to sit bench 20 and be in certain high position when the installation sits bench 20, avoids sitting the bench 20 and keeping off mutual interference between dirt board 3118. While the connecting block 33 may also facilitate mounting of the traveling block 32 within the concave track 3113.

Referring to fig. 11 to 15, the stool 20 is fixed to the connecting block 33 by bolts. The stool 20 includes a stool frame 21, an elastic structure, a filling structure, a cushion 24, and an armrest 28, wherein the stool frame 21 is made of an aluminum alloy, the stool frame 21 is substantially square, and the stool frame 21 is fixed to the connecting block 33 by bolts. Specifically, connecting block 33 up end undercut is formed with two connecting grooves 332, and the bottom of sitting bench skeleton 21 is integrated to have a connection convex part 211, and when sitting bench skeleton 21 and connecting block 33 and be connected, connect convex part 211 and insert into connecting groove 332, realize from this and sit and realize preliminary location between bench skeleton 21 and the connecting block 33, keep sitting bench skeleton 21 and can't be earlier to connecting block 33 lateral shifting, then will sit bench skeleton 21 and connecting block 33 through the bolt and be connected. Through this connected mode, it can effectively ensure firm in connection and stable between connecting block 33 and the bench skeleton 21 of sitting.

Meanwhile, the middle part of the stool framework 21 is depressed downwards to form a cavity 212, a square assembly hole 213 is formed by punching at the middle position of the cavity 212, and the elastic structure is embedded into the assembly hole 213. Specifically, the elastic structure includes a bottom plate 221 and a spring 222, a lower end of the spring 222 is adhered to the bottom plate 221 by glue, and an upper end of the spring 222 is suspended. A support boss 2131 is formed on the inner wall of the assembly hole 213 extending towards the middle of the assembly hole 213, the edge of the bottom plate 221 protrudes outwards to form a convex edge 2211, the convex edge 2211 is erected on the support boss 2131, and then the support boss 2131 and the convex edge 2211 are connected together through bolts, so that the bottom plate 221 is fixed on the stool framework 21; and the lower end surface of the bottom plate 221 is parallel to the lower end surface of the bench frame 21 after the pedestal is attached to the bench frame 21.

Specifically, the filling structure is filled at the edge of the whole spring 222, the filling structure comprises filling cotton 231 and a supporting framework 232, wherein the filling cotton 231 is made of sponge, the supporting framework 232 is a plastic plate with a folding effect, the filling structure is made to have flexibility to a certain degree through the supporting framework 232 and the filling cotton 231, comfort is achieved, and meanwhile the filling structure is guaranteed to have supporting performance to a certain degree. The cushion 24 is made of outer layer cloth or a leather layer and sponge. The middle of the seat cushion 24 is recessed to form a sleeve portion 241, the sleeve portion 241 is sleeved on the filling structure, and then the edge of the seat cushion 24 is fixed on the stool framework 21 through glue or silk threads. The armrest 28 is an aluminum alloy pipe, and both ends of the armrest 28 are respectively fixed to the edges of the stool frame 21 by bolts. Meanwhile, a glove 281 is sleeved on the handrail 28, and the glove 281 is a plastic sleeve.

In order to lock the stool 20 when the movement of the stool 20 is not required, the stool frame 21 is movably connected with a locking rod 25 through a shaft, and the locking rod 25 is in contact with the side wall of the rail body 311, so that the stool 20 can be locked from moving, and the fixed mode or the movable mode can be selected as required when the office chair is used. Specifically, the locking block 251 is arranged at the lower end of the locking rod 25, the locking block 251 is a square aluminum alloy block, locking teeth 2511 are adhered to the wall of the locking block 251 through strong glue, the locking teeth 2511 are made of wear-resistant plastic, a plurality of tooth grooves 3119 are arranged on the side wall of the track body 311 at equal intervals, when the seat 20 needs to be locked, the locking teeth 2511 are inserted into the tooth grooves 3119, the locking mode is simple, the firmness is good after locking, meanwhile, the locking teeth 2511 are made of wear-resistant plastic, and when the locking teeth 2511 are prevented from being in contact with the track body 311, the abrasion of the locking teeth 2511 is reduced, and the noise is also reduced.

Further, a screw rod 26 is connected to a side wall of the bench framework 21, a strip-shaped through groove 252 is formed in the locking rod 25, the through groove 252 is sleeved on the screw rod 26, two groove portions 253 are arranged at positions corresponding to the screw rod 26, one groove portion 253 is formed by recessing one side of the locking rod 25 towards the direction of the bench framework 21, and the other groove portion 253 is formed by recessing the other side of the locking rod 25 towards the direction far away from the bench framework 21. Two locking nuts 261 are screwed on the screw 26, one of the two locking nuts 261 is positioned on one side of the locking rod 25, and the other locking nut 261 is positioned on the other side of the locking rod 25; the two locking nuts 261 can thus clamp the locking lever 25, achieving the fixation of the locking lever 25, and further the two locking nuts 261 can keep the locking teeth 2511 inserted into the tooth grooves 3119 when the bench 20 needs to be in the fixed mode, and adjust the position of the locking nut 261 when the bench 20 needs to be in the mobile mode, whereby the locking teeth 2511 can be kept in a position away from the tooth grooves 3119. The adjustable type electric heating cooker is simple in structure, not prone to damage and convenient to adjust, and only needs to be operated by one hand. Meanwhile, for convenience of operation, an anti-slip concave part 254 is formed at a part of the upper end of the locking rod 25, and when the locking rod 25 needs to be pulled, a finger can move the locking rod 25 corresponding to the position of the anti-slip concave part 254, which is convenient for operation.

The backrest 40 serves as a back support structure of the entire aluminum alloy office chair, and after a person leans on the backrest 40, the backrest 40 may be formed with elasticity that secures comfort and safety of the office person. The backrest 40 has a certain degree of elasticity, so that a person can lean against the backrest 40 with high comfort. The backrest 40 comprises two back rods 41, two mounting blocks 42, two buffer structures and a back body 44, wherein the back rods 41 are aluminum alloy rods, each back rod 41 corresponds to one supporting rod 113, the lower end part of each back rod 41 is inserted into the suspended end of the supporting rod 113, and the back rods 41 are fixedly connected to the supporting rods 113 through screws. The mounting block 42 is made of plastic, and the mounting block 42 is sleeved on the back rod 41 and then fixedly bonded through glue. An installation convex edge 421 is formed by extending and protruding outwards at the edge of the installation block 42, the installation convex edge 421 is a high-strength plastic strip, and a protruding strip 4211 with an arc-shaped end surface is formed by protruding forwards at the edge of the installation convex edge 421. The buffer structure is attached to the mounting ledge 421 and is fixed to the mounting ledge 421 by screws.

Specifically, the buffer structure comprises a fixing plate 431, a buffer spring 432 and a telescopic rod 433, wherein the fixing plate 431 is a high-strength plastic plate, a concave strip 4311 is formed by forward depression of the rear end surface of the fixing plate 431, when the fixing plate 431 is installed on the installation convex edge 421, the convex strip 4211 is embedded into the concave strip 4311, and then the fixing plate 431 and the installation convex edge 421 are connected together through a screw. Through the embedding of protruding strip 4211 into recessed strip 4311, fixing plate 431 is initially fixed, thereby ensuring that fixing plate 431 cannot move transversely on mounting flange 421, and ensuring that fixing plate 431 is firmly fixed on mounting flange 421. Meanwhile, the buffer spring 432 is provided in plurality, and the plurality of buffer springs 432 are arranged at equal intervals along the length direction of the fixing plate 431, and one end of the buffer spring 432 is adhered to the fixing plate 431 by glue. The telescopic link 433 is two, and two telescopic links 433 insert on the buffer spring 432, through the setting of telescopic link 433, it can ensure after the installation of back 40 is accomplished, and back of the body 44 can not cause the slope of back of the body 44 because of the crooked of buffer spring 432 emergence skew, and its guarantee buffer spring 432 can only take place the compression, and then the stability of guarantee buffer spring 432 work.

Further, the back body 44 is used to connect with the telescopic rod 433, the back body 44 includes a back body 441 and two connecting plates 442, wherein the back body 441 is made of wear-resistant fabric, and a waist support 4411 is disposed at the middle position of the back body 441. Both ends of the back body 441 are respectively connected to the two connecting plates 442 by sewing. And the link 442 is connected to the telescopic bar 433 by means of screws or glue, so that the link 442 only compresses the spring 222 without lateral movement after the person leans against the back body 441. The edge of the connecting plate 442 is adhered with a decorative sheet 4421 by glue, the decorative sheet 4421 is an elastic soft rubber, and the other end of the decorative sheet 4421 is adhered to the mounting block 42. Meanwhile, a blocking piece 4422 is connected to the connecting plate 442, the blocking piece 4422 is also an elastic rubber piece, one side of the blocking piece 4422 is adhered to the connecting plate 442, and the other end of the blocking piece 4422 is adhered to the mounting flange 421. Meanwhile, an elastic sheet 4423 is bonded to the top of the connecting plate 442, the elastic sheet 4423 is made of rubber, and the blocking sheet 4422, the decorative sheet 4421 and the elastic sheet 4423 can ensure that the back body 441 can be elastically compressed and can also achieve the effects of decoration and dust prevention.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims

1. The utility model provides an aluminium system office chair with body-building exercise efficiency which characterized in that, including the chair frame that contacts with ground, set up in with the bench of supporting human buttock on the chair frame, set up in with the back of supporting human back on the chair frame and connect the chair frame with the subassembly that slides of bench, wherein the subassembly that slides includes that

The track is arranged on the chair frame and is provided with a concave track;

2. The aluminum office chair with the body-building and exercise effects as claimed in claim 1, wherein the rail comprises a rail body with the concave rail and a fixing block connected with the rail body to be clamped on the chair frame, an access slot is provided on one side of the rail body, an access bar embedded into the access slot is provided on the fixing block, and the other side of the fixing block is connected with the rail body through a bolt.

3. The aluminum office chair with the body-building and exercise effects as claimed in claim 2, wherein a dust guard plate for covering the power spring is provided on the rail body.

4. The aluminum office chair with the body-building and exercise effects as claimed in claim 2, wherein the stool comprises a stool framework connected with the connecting block, an elastic structure arranged on the stool framework, a filling structure surrounding the elastic structure and a cushion, the cushion is arranged on the elastic structure and the filling structure, and the cushion is connected with the stool framework.

5. The aluminum office chair of claim 4, wherein the resilient structure comprises a base plate connected to the stool frame and a plurality of springs disposed on the base plate.

6. The aluminum office chair with the body-building and exercise effects as claimed in claim 4, wherein a plurality of tooth sockets are arranged on the side wall of the rail body at equal intervals, a locking rod is rotatably connected to the seat frame, and a locking block associated with the tooth sockets is arranged at the lower end of the locking rod.

7. The aluminum office chair with the body-building and exercise effects as claimed in claim 6, wherein the locking block is provided with a plurality of locking teeth which can be inserted into the tooth grooves.

8. The aluminum office chair with the body-building and exercise effects as claimed in claim 7, wherein the locking rod is provided with a through groove with a bar-shaped structure, the stool framework is provided with a screw rod which is penetrated by the through groove, and the screw rod is screwed with two locking nuts for clamping the locking rod to position the locking block.

9. An aluminum office chair with exercise effect as claimed in claim 8, wherein the locking rod is provided with a slot, and the locking nut is at least partially disposed in the slot.

10. The aluminum office chair with exercise and fitness functions of claim 1, wherein the backrest comprises a back bar connected to the chair frame, a mounting block disposed on the back bar, a cushioning structure disposed on the mounting block, and a back body connecting the two back bars, wherein the back body is associated with the cushioning structure; buffer structure including set up in fixed plate on the installation piece, set up in buffer spring on the fixed plate and wear to locate last telescopic link of buffer spring, telescopic link one end with the back of the body coupling, the other end with the fixed plate is connected.