CN221105289U - Chair - Google Patents

Abstract

The utility model provides a chair, and belongs to the technical field of machinery. It has solved the laborious problem of current chair lift adjustment. This chair, including chair bedplate and two sets of chair supporting legs, every group chair supporting legs all includes stay tube one and stay tube two, and stay tube one is connected with the chair bedplate, and stay tube one can be relative stay tube two oscilaltion and still is equipped with the adjusting part that can make both location locking between the two, and every group chair supporting legs is still including the adjustment button who is used for controlling adjusting part locking or unblock, and chair bedplate below is fixed with the mounting bracket, and this chair still includes two middle parts articulated the control rod on the mounting bracket, and the rear end of two control rods is connected or offsets with corresponding adjustment button respectively and leans on, and the front end of two control rods is located the below at chair bedplate both sides border respectively and is close inboard setting. The chair realizes the triple labor-saving effect by the mutual cooperation of the operating lever and the chair plate, so that the operation of height adjustment is more convenient and labor-saving.

Description

Chair

Technical Field

The utility model belongs to the technical field of machinery, and relates to a chair.

Background

The desk and chair are furniture which is frequently used in daily work and study of people, and particularly aim at student groups. In order to adapt to different heights or use requirements of users, most of the existing chairs have a lifting function.

As disclosed in chinese patent application (application number: 202221530790.0), a lifting adjusting structure for a table and chair leg, the lifting adjusting structure comprises a table and chair outer supporting leg and a table and chair inner supporting leg inserted on the table and chair outer supporting leg, wherein the table and chair inner supporting leg is lifted up and down along the inner wall of the table and chair outer supporting leg and connected with a table or a chair plate, a plurality of adjusting holes are formed in the table and chair outer supporting leg, a limiting hole is formed in the lower portion of the table and chair inner supporting leg, a lifting adjusting lever with the middle portion connected with the table and chair inner supporting leg is arranged in the table and chair inner supporting leg, a lifting adjusting button penetrating out of the table and chair inner supporting leg is connected with the upper end of the lifting adjusting lever, an elastic piece is fixedly connected with the lower end of the lifting adjusting lever, one end of the elastic piece penetrates through the limiting hole and is inserted on the corresponding adjusting hole when the table and chair inner supporting leg slides to the limiting hole and is right opposite to any one of the limiting holes, and the lifting adjusting button can drive the lifting adjusting lever to swing around a connecting point so that the elastic piece retracts and one end of the elastic piece moves out of the adjusting hole. When the height of the chair needs to be adjusted, the lifting adjusting buttons at two sides of the chair are synchronously pressed by fingers, so that the lifting adjusting buttons push the adjusting levers to swing to overcome unlocking of the elastic pieces, the pressing state is kept, then the chair seat plate and the inner supporting legs are lifted upwards together, the height adjustment is realized, and after the adjustment is finished, the lifting adjusting buttons are loosened, so that the elastic pieces are reset and clamped into the corresponding adjusting holes again to be locked and positioned.

Although the height of the chair can be adjusted, when the height of the chair is adjusted, the two hands and the fingers are required to keep synchronous pressing of the two lifting adjusting buttons, the pressing force of the two lifting adjusting buttons is required to exceed the elastic force of the elastic piece, the two sides of the chair are difficult to bear force, and the two sides of the chair are required to synchronously press and deform, so that for users with smaller strength (such as pupils), unlocking adjustment can be realized with great effort, and the operation is more laborious.

In order to ensure labor saving and convenience of operation, it is common practice to make the elastic force of the elastic member relatively small so that the required pressing force is relatively small, but the overall stability is relatively poor.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a chair, which aims to solve the technical problems that: how to solve the problem of laborious lifting adjustment of the existing chair.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a chair, includes chair seat board and two sets of chair supporting legs, every group chair supporting legs all includes stay tube one and stay tube two, stay tube one is connected with the chair seat board, stay tube one can be relative stay tube two oscilaltions, still be equipped with the adjusting part that can make both location locks between stay tube one and the stay tube two, every group chair supporting legs is still including the adjustment button who is used for controlling above-mentioned adjusting part locking or unblock, a serial communication port, chair seat board below is fixed with the mounting bracket, and this chair still includes two along the front and back direction setting and the action bars of middle part hinge on the mounting bracket, and the rear end of two action bars is connected or can lean against with corresponding adjustment button respectively, and the front end of two action bars is located the below at chair seat board both sides border and is close the inboard setting respectively.

The mounting frame is arranged below the two sides of the chair seat board, the operating rod is hinged to the mounting frame, the operating rod is arranged in the front-back direction and is integrally located below the chair seat board, the operating rod cannot be exposed outside when the chair is normally used, the middle of the operating rod is hinged to the mounting frame, one end of the operating rod abuts against or is connected with the adjusting button, a lever structure is formed below the two sides of the chair seat board, the front end of the operating rod is located on the inner side of the lower side of the two sides of the chair seat board, when the height is required to be adjusted, the palm is only required to abut against the two sides of the chair seat board, the fingers hook the front end of the operating rod, the operating rod can be driven to swing and press the adjusting button to unlock after being slightly held, and then the chair seat board is lifted upwards. That is, the application not only provides an impetus for the palm by the two side edges of the chair plate through the arrangement of the operating lever, but also adjusts the force application mode of the person to be the mode of making a fist by the palm, changes the force application direction, is more convenient for applying force compared with the existing finger pressing, and simultaneously is equivalent to adding a lever structure to perform pressing operation, namely, the effect of triple labor saving is realized through the mutually matched structure of the operating lever and the chair plate, so that the operation of height adjustment is more convenient and labor saving. In addition, the lifting force of the chair plate is more convenient through the mode.

In the chair, the hinge shaft which is downwards arranged is fixed on the mounting frame, the upper end of the hinge shaft is fixed on the mounting frame, the lower end of the hinge shaft is obliquely arranged forwards relative to the upper end, and the middle part of the operating rod is rotationally connected with the lower end of the hinge shaft. The articulated shaft is the slope setting forward, and the control lever is the front end tilt up wane through the articulated shaft articulated on the mounting bracket for the front end of control lever can be closer to the chair seat board setting when being located chair seat board below inboard, thereby convenient to use's finger can be better the front end of hooking the control lever, thereby can be more convenient with the mode drive control lever swing realization of making a fist press the operation, make the operation of altitude mixture control more convenient, laborsaving.

In the above chair, the lower end of the hinge shaft is inclined toward the inner side of the seat plate with respect to the upper end. Through above-mentioned setting, the lower extreme of articulated shaft is forward inward sloping for the front end of action bars has the trend of going to the inboard slope of chair seat board below, and the while is closer to the chair seat board setting again, and convenient to use's finger can be better hook the front end of action bars, thereby can be more convenient with the mode drive action bars swing realization of making a fist press the manipulation, make the operation of altitude mixture control more convenient, laborsaving.

In the chair, the control rod comprises a pressing section and a control section, the front end of the pressing section is rotationally connected with the hinge shaft, the rear end of the pressing section is opposite to the adjusting button and can abut against the adjusting button, and the control section is tilted upwards relative to the pressing section. The pressing section of the control lever abuts against the adjusting button, in a normal state, the control section of the control lever has a trend of swinging inwards under the top pressing of the adjusting button, and the control section is tilted upwards relative to the pressing section, so that the control section can be closer to the lower plate surface of the chair plate, the front end of the control lever can be hooked more conveniently by fingers of a user, and then the control lever can be driven to swing in a fist-holding mode more conveniently to realize pressing operation, so that the operation of height adjustment is more convenient and labor-saving.

In the chair, the rear end of the control section is connected with the pressing section and is tilted upwards relative to the pressing section, and the front end of the control section is arranged in parallel with the pressing section. The rear end of the control section is tilted relative to the pressing section, so that the front end of the control section can be closer to the lower plate surface of the chair plate, the front end of the control section is parallel to the pressing section, the control section is approximately horizontally arranged, the finger is more convenient to hook the force application, the control lever can be driven to swing in a fist-holding mode more conveniently, and the pressing operation is realized, so that the operation of height adjustment is more convenient and labor-saving.

In the chair, the chair plate is provided with two support longitudinal beams arranged along the front-back direction, the front end of each support longitudinal beam is bent downwards to form a guide part, and the control section of the control rod is arranged close to the bending part of the guide part. The front ends of the two support longitudinal beams are downwards bent to form the guide part, so that contour curves of knee parts of a human body can be more met, comfort is better, meanwhile, the control section of the control rod is close to the bent part of the guide part, so that the guide part can have a shielding effect on the front end of the control rod, collision cannot be caused to the human body, meanwhile, when the control device is used for adjusting, a positioning reference can be realized for the palm placement position of the human body, the palm is attached to the outer side of the support longitudinal beams, the index finger is attached to the inner side of the guide part, and at the moment, the foremost position of the control rod is just hooked by the index finger, so that force application can be more facilitated, and the operation of height adjustment is more convenient and labor-saving.

In the above-mentioned chair, the mounting bracket has two and is close to the both sides setting of chair bedplate respectively, the mounting bracket includes the board portion one that sets up along the fore-and-aft direction, and the board portion two and the board portion three that all set up along the upper and lower direction, the board portion one paste to be fixed on corresponding support longeron's downside, the board portion two is connected in one side of board portion one and is located the inboard that corresponds support longeron, the upper end lateral wall of stay tube one paste to be fixed on board portion two just adjusting button passes board portion two, the front end of board portion three connecting plate portion one and board portion two, the lower extreme relative upper end forward slope setting of board portion three, the outside limit relative inboard limit forward slope setting of board portion three, articulated shaft welded fastening is in on the board portion three. Through foretell setting, the lower extreme of articulated shaft is relative forward and inwards inclined for the control section front end of control lever is close to the inboard setting of lower face of chair seat board as far as possible, and convenient to use's finger can better catch on the front end of control lever, thereby can be more convenient with the mode drive control lever swing realization of making a fist press the operation, make the operation of altitude mixture control more convenient, laborsaving.

In the chair, the mounting frame is also connected with a limiting rod, and the limiting rod is positioned at the inner side of the corresponding operating rod and can abut against the operating section of the operating rod. The limiting rod can limit the swing stroke of the operating section of the operating rod, so that the situation that the fingers of a user are difficult to hook due to the fact that the inward swing amplitude of the operating section is too large is avoided.

As an alternative, in the above chair, the operating lever includes a pressing section and an operating section, the front end of the pressing section is rotatably connected with the hinge shaft, the rear end of the pressing section is hinged with the adjusting button, and the operating section is tilted upward relative to the pressing section. The control section of control lever is articulated mutually with adjusting button, and under the normal condition, the control section of control lever has the trend of inwards rocking under adjusting button's top and pushes down, and the control section upwards perk setting relatively presses the section for the control section can be closer to the lower face of chair seat board, thereby the front end of control lever is hooked up that convenient to user's finger can be more convenient, and then can be more convenient with the mode of making a fist drive control lever swing realization press the operation, make the operation of altitude mixture control more convenient, laborsaving.

Compared with the prior art, the chair has the following advantages:

1. Through the setting of control lever, and the front end of control lever is located the below inboard at chair seat board both sides border, both sides edge that has borrowed the chair seat board provides an impetus for the palm, but also adjust the mode of application of force of people for the mode of palm making the fist, the direction of application of force has been changed, be convenient for the application of force more for current finger presses, still be equivalent to having increased a lever structure again simultaneously and having pressed the operation, the effect of triple laborsaving has been realized through the mutually supporting structure of a control lever and chair seat board promptly, make the operation of altitude mixture control more convenient, laborsaving.

2. Simple structure, easy and simple to handle, the cost is lower.

Drawings

Fig. 1 is a perspective view of the chair.

Figure 2 is a perspective view of another view of the chair.

Fig. 3 is a mounting structure diagram of the mounting bracket and the joystick.

Fig. 4 is a perspective view of the adjustment assembly.

Fig. 5 is a partial cross-sectional view of a chair leg.

In the figure, 1, a chair plate; 1a, supporting a longitudinal beam; 1a1, a guide part; 1b, supporting a cross beam; 2. a chair support leg; 2a, supporting the tube I; 2b, supporting the tube II; 2b1, positioning holes; 3. an adjustment assembly; 3a, a linkage rod; 3b, clamping heads; 3c, an elastic sheet; 4. an adjustment button; 5. a mounting frame; 5a, first plate part; 5b, a second plate part; 5c, a plate part III; 6. a joystick; 6a, a pressing section; 6b, a manipulation section; 7. a hinge shaft; 8. a limit rod; 9. a chair back; 10. a chair foot.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

Example 1

As shown in fig. 1-5, the chair comprises a seat plate 1, a backrest 9, two groups of chair supporting feet 2 and two groups of chair feet 10, wherein the backrest 9 is connected with the seat plate 1 and can rotate relative to the seat plate 1 so as to be switched into a common chair and a deck chair. The seat board 1 is provided with two support longitudinal beams 1a arranged along the front-back direction and at least one support cross beam 1b connected between the two support longitudinal beams 1a, and the support longitudinal beams 1a and the support cross beams 1b are wrapped with a seat formed by rattan weaving. Each group of chair supporting legs 2 comprises a first supporting tube 2a and a second supporting tube 2b, the first supporting tube 2a can be lifted up and down relative to the second supporting tube 2b, an adjusting component 3 which can enable the first supporting tube 2a and the second supporting tube 2b to be positioned and locked is further arranged between the first supporting tube 2a and the second supporting tube 2b, each group of chair supporting legs 2 further comprises an adjusting button 4 used for controlling the locking or unlocking of the adjusting component 3, and the lower ends of the second supporting tubes 2b are fixedly connected with corresponding chair feet 10.

Specifically, as shown in fig. 4 and 5, the adjusting component 3 includes a linkage rod 3a, a chuck 3b and a U-shaped elastic piece 3c, one end of the linkage rod 3a is inserted into the first support tube 2a and connected with the adjusting button 4, the other end of the linkage rod 3a is inserted into the second support tube 2b through the first support tube 2a, the high end of the U-shaped elastic piece 3c is fixed at one end of the linkage rod 3a with the chuck 3b, the other end of the U-shaped elastic piece 3c is fixed on the inner wall of the first support tube 2a, the middle part of the linkage rod 3a is hinged on the inner wall of the first support tube 2a, the chucks 3b and the adjusting button 4 are distributed on two sides of the linkage rod 3a, a plurality of positioning holes 2b1 distributed along the length direction of the first support tube 2b are formed in the second support tube, the chucks 3b can be clamped into one of the positioning holes 2b1 under the action of the elastic piece 3c, and the adjusting button 4 can be pressed to drive the linkage rod 3a to swing around a hinge point so that the chucks 3b are separated from the corresponding positioning holes 2b1.

Further, the mounting frames 5 are respectively fixed at the two sides of the lower side of the seat plate 1, the mounting frames 5 comprise a first plate portion 5a arranged along the front-back direction, a second plate portion 5b and a third plate portion 5c arranged along the up-down direction, the second plate portion 5b is connected to one side of the first plate portion 5a and located on the inner side of the corresponding supporting longitudinal beam 1a, the third plate portion 5c is connected with the front ends of the first plate portion 5a and the second plate portion 5b, and the first plate portion 5a, the second plate portion 5b and the third plate portion 5c are integrally formed. The first plate 5a is fixed against the underside of the corresponding support rail 1a, the outer wall of the upper end of the support tube 2a is fixed against the second plate 5b, and the adjusting button 4 passes through the second plate 5b. Each mounting frame 5 is provided with a control rod 6 arranged along the front-rear direction, the lower end of the plate part III 5c is arranged in a forward inclined manner relative to the upper end, the outer side edge of the plate part III 5c is arranged in a forward inclined manner relative to the inner side edge, the hinge shaft 7 is arranged downwards, the upper end of the hinge shaft 7 is welded and fixed on the plate part III 5c, and accordingly the lower end of the hinge shaft 7 is arranged in a forward inclined manner relative to the upper end and is inclined toward the inner side of the chair plate 1. The middle parts of the two control rods 6 are respectively connected with the lower ends of the corresponding hinge shafts 7 in a rotating way, the rear ends of the two control rods 6 respectively lean against the corresponding adjusting buttons 4, and the front ends of the control rods 6 are respectively positioned below the edges of the two sides of the chair plate 1 and are close to the inner sides.

Further, the operating lever 6 includes a pressing section 6a and an operating section 6b, the front end of the pressing section 6a is rotatably connected with the hinge shaft 7, the rear end of the pressing section 6a is opposite to the adjusting button 4 and can abut against the adjusting button 4, the rear end of the operating section 6b is connected with the pressing section 6a and is tilted upward relative to the pressing section 6a, the front end of the operating section 6b is parallel to the pressing section 6a, the front end of the operating section 6b can be closer to the lower plate surface of the chair plate 1, and the force application is more convenient for the finger to catch. The front end of each support longitudinal beam 1a is downwards bent to form a guide part 1a1, the outline curve of the knee part of a human body can be more met, the comfort is better, the control section 6b of the control rod 6 is arranged close to the bent part of the guide part 1a1, the guide part 1a1 can have a shielding effect on the front end of the control rod 6, collision can not be caused to the human body, a positioning reference can be realized on the palm placement position of the human body during adjustment, the palm is attached to the outer side of the support longitudinal beam 1a during operation, the index finger is attached to the inner side of the guide part 1a1, and the finger just hooks the foremost position of the control rod 6 at the moment, so that force application can be more facilitated.

In addition, still be connected with gag lever post 8 on the mounting bracket 5, gag lever post 8 is the L type, and gag lever post 8 is located the inboard that corresponds control lever 6 and can offset with the control section 6b of control lever 6 and lean on, can carry out spacingly to the swing stroke of control section 6b of control lever, avoids the control section to inwards swing too big makes the user's finger be difficult to get up.

When the height of the chair needs to be adjusted, the palm is only required to be propped against the outer sides of the two support longitudinal beams 1a of the chair seat board 1, the index finger is clung to the guide part 1a1 of the support longitudinal beam 1a, at the moment, the finger just can hook the front end of the control rod 6, the control rod 6 can be driven to swing around the hinge shaft 7 to press the adjusting button 4 by one hand, the adjusting button 4 drives the linkage rod 3a to swing to overcome the elasticity of the U-shaped elastic piece 3c, so that the clamping head 3b is separated from the positioning hole 2b1 and is retracted into the support tube 2b to release the positioning, then the chair seat board 1 is lifted or pressed down to adjust the height of the chair seat board 1, after the adjustment is completed, the control rod 6 is released, and the clamping head 3b is clamped into the corresponding positioning hole 2b1 again under the elastic action of the U-shaped elastic piece 3c to realize locking positioning. According to the application, through the arrangement of the operating rod 6, not only is an acting point provided for the palm by the two side edges of the chair seat board 1, but also the acting mode of a person is adjusted to be a mode of making a fist by the palm, so that the acting direction is changed, the force is more convenient for pressing the hand relative to the existing finger, and meanwhile, a lever structure is added to perform pressing operation, namely, the triple labor-saving effect is realized through the mutually matched structure of the operating rod 6 and the chair seat board 1, and the height adjustment operation is more convenient and labor-saving. Moreover, the lifting force of the seat plate 1 is also facilitated by the above manner.

Example two

The chair of this embodiment is substantially similar in structure and principle to the first embodiment, except that: the control rod 6 comprises a pressing section 6a and a control section 6b, the front end of the pressing section 6a is rotationally connected with the hinge shaft 7, the rear end of the pressing section 6a is hinged with the adjusting button 4, and the control section 6b is tilted upwards relative to the pressing section 6 a.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although terms of the seat plate 1, the support side member 1a, the guide portion 1a1, the support cross member 1b, the seat support foot 2, the support tube one 2a, the support tube two 2b, the positioning hole 2b1, the adjusting unit 3, the link lever 3a, the chuck 3b, the elastic piece 3c, the adjusting button 4, the mounting bracket 5, the plate portion one 5a, the plate portion two 5b, the plate portion three 5c, the operating lever 6, the pressing portion 6a, the operating portion 6b, the hinge shaft 7, the stopper rod 8, the seat back 9, the seat foot 10, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims (9)

1. The utility model provides a chair, includes chair seat board (1) and two sets of chair supporting legs (2), and every chair supporting legs (2) of group all include stay tube one (2 a) and stay tube two (2 b), stay tube one (2 a) is connected with chair seat board (1), stay tube one (2 a) can be relative stay tube two (2 b) oscilaltion, still be equipped with between stay tube one (2 a) and the stay tube two (2 b) and make the regulation subassembly (3) of both location locking, every chair supporting legs (2) of group still include be used for controlling above-mentioned regulation subassembly (3) locking or the adjustment button (4) of unblock, a serial communication port, the below of chair seat board (1) is fixed with mounting bracket (5), and this chair still includes two along fore-and-aft direction setting and middle part articulates control lever (6) on mounting bracket (5), and the rear end of two control lever (6) are connected or can lean against with corresponding adjustment button (4) respectively, and the front end of two control lever (6) is located below (1) of inboard both sides and is close to setting up.

2. The chair according to claim 1, wherein the mounting frame (5) is fixed with a hinge shaft (7) arranged downwards, the upper end of the hinge shaft (7) is fixed on the mounting frame (5), the lower end of the hinge shaft (7) is arranged obliquely forwards relative to the upper end, and the middle part of the operating lever (6) is rotatably connected with the lower end of the hinge shaft (7).

3. A chair according to claim 2, characterized in that the lower end of the hinge shaft (7) is arranged obliquely to the inside of the seat plate (1) with respect to the upper end.

4. A chair according to claim 2 or 3, characterized in that the operating lever (6) comprises a pressing section (6 a) and an operating section (6 b), the front end of the pressing section (6 a) is rotatably connected with the hinge shaft (7), the rear end of the pressing section (6 a) is opposite to the adjusting button (4) and can abut against the adjusting button (4), and the operating section (6 b) is tilted upward relative to the pressing section (6 a).

5. Chair according to claim 4, characterized in that the rear end of the handling section (6 b) is connected to the pressing section (6 a) and is tilted upwards relative to the pressing section (6 a), the front end of the handling section (6 b) being arranged parallel to the pressing section (6 a).

6. Chair according to claim 5, characterized in that the seat plate (1) has two support stringers (1 a) arranged in the front-rear direction, the front end of each support stringer (1 a) being bent downwards to form a guide (1 a 1), the actuating section (6 b) of the actuating lever (6) being arranged close to the bend of the guide (1 a 1).

7. The chair according to claim 6, wherein the mounting frame (5) has two plates which are respectively arranged near two sides of the chair seat plate (1), the mounting frame (5) comprises a plate part one (5 a) which is arranged along the front-back direction, a plate part two (5 b) and a plate part three (5 c) which are respectively arranged along the up-down direction, the plate part one (5 a) is attached and fixed on the lower side surface corresponding to the supporting longitudinal beam (1 a), the plate part two (5 b) is connected on one side of the plate part one (5 a) and is positioned on the inner side corresponding to the supporting longitudinal beam (1 a), the upper end outer side wall of the supporting tube one (2 a) is attached and fixed on the plate part two (5 b) and the adjusting button (4) passes through the plate part two (5 b), the plate part three (5 c) is connected with the front ends of the plate part one (5 a) and the plate part two (5 b), the lower end of the plate part three (5 c) is obliquely arranged relative to the upper end, the plate part three (5 c) is obliquely arranged forwards, and the inner side (5 c) is obliquely arranged forwards relative to the hinge part three (7) is welded on the front side of the hinge part three (5 c).

8. Chair according to claim 7, characterized in that the mounting frame (5) is also connected with a limit rod (8), the limit rod (8) being located inside the corresponding operating rod (6) and being able to abut against the operating section (6 b) of the operating rod (6).

9. A chair according to claim 2 or 3, characterized in that the operating lever (6) comprises a pressing section (6 a) and an operating section (6 b), the front end of the pressing section (6 a) is rotatably connected with the hinge shaft (7), the rear end of the pressing section (6 a) is hinged with the adjusting button (4), and the operating section (6 b) is tilted upward relative to the pressing section (6 a).