CN218304117U

CN218304117U - Office chair

Info

Publication number: CN218304117U
Application number: CN202221579479.5U
Authority: CN
Inventors: 熊耀亥
Original assignee: Foshan Shunde Xinguangwan Furniture Manufacturing Co ltd
Current assignee: Foshan Shunde Xinguangwan Furniture Manufacturing Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2023-01-17
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses an office chair, wherein, the office chair comprises a chair seat, a chair back and a moving mechanism; one side surface of the seat is provided with moving pieces, the moving pieces extend along the length direction of the seat, and the moving pieces are provided with a plurality of limiting grooves at intervals along the extending direction; the chair back comprises a back plate, a connecting rod and a connecting seat, wherein the back plate is arranged on one side of the chair seat, one end of the connecting rod is connected to the surface of the back plate, which faces away from the chair seat, while the other end is rotatably connected to the connecting seat; the moving mechanism comprises a plurality of chair wheels which are arranged at the bottom of the chair seat so as to drive the chair seat to move. The utility model discloses technical scheme realizes that the back of the chair removes and then is close to or keeps away from the effect of seat support along the moving member, and then can adjust the scope of taking and the back position of office chair, has improved office chair's suitability and adjustable ability.

Description

Office chair

Technical Field

The utility model relates to an office chair technical field, in particular to office chair.

Background

The office chair is a chair which is convenient for daily life and work and is widely used in daily office work or work. The office chair that can go up and down at present generally includes heavy burden seat, cushion and the backplate that is in the cushion rear side to and lift bracing piece, and the flexible control lever of control lift bracing piece, and set up in the handrail of seat both sides in addition. For convenient to use, current structure usually is the rotatable setting of seat and backplate, perhaps the movable translation setting of seat and backplate, but does not have both structures that can rotate simultaneously and the translation for the user can't realize the position adjustment and the rotation of seat and backplate simultaneously when using office chair, has the problem of backplate activity mode and scope limitation.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an office chair, aiming at improving the movable range of the back plate of the office chair.

In order to achieve the above object, the utility model provides an office chair, office chair includes:

the movable piece is arranged on one side surface of the seat and extends along the length direction of the seat, and a plurality of limiting grooves are formed in the movable piece at intervals along the extending direction of the movable piece;

the chair back comprises a back plate, a connecting rod and a connecting seat, the back plate is arranged on one side of the chair seat, one end of the connecting rod is connected to the surface of the back plate, which is opposite to the chair seat, while the other end is rotatably connected to the connecting seat, the connecting seat is slidably connected to the moving member and can be clamped in different limiting grooves, so that the back plate is close to or far away from the chair seat and rotates along the connecting seat; and

the moving mechanism comprises a plurality of chair wheels, and the chair wheels are arranged at the bottom of the chair seat to drive the chair seat to move.

Optionally, the connecting seat includes rotation portion and connecting portion, the rotation portion cover is located the outer peripheral edges of connecting portion, and follows connecting portion rotate, the connecting rod is kept away from the one end of backplate connect in rotation portion, its surface towards the moving member of connecting portion is equipped with spacing buckle, spacing buckle block in spacing inslot.

Optionally, the number of the connecting rods and the number of the connecting seats are two, two connecting seats are arranged on two opposite sides of the bottom of the seat, one end of each connecting rod is connected to the edge of one of the two opposite sides of the back plate, and the other end of each connecting rod is connected to the two rotating parts.

Optionally, the office chair further comprises two armrests, the two armrests are connected to the two rotating portions respectively and located on one side, facing the seat, of the chair back, and the armrests rotate along the connecting portions.

Optionally, the end portion, close to the connecting seat, of one end of the armrest is provided with the limiting projection, the rotating portion is provided with a receiving groove, and the armrest is clamped in the receiving groove through the limiting projection and fixed with the rotating portion.

Optionally, the connecting seat further includes a limiting member, the limiting member is disposed between the rotating portion and the connecting portion, one end of the limiting member abuts against the rotating portion, and the other end of the limiting member abuts against the connecting portion, so as to limit the range of the rotation angle of the rotating portion to 0 to 90 °.

Optionally, the chair back further comprises a back cushion, and the back cushion is pasted on one side surface of the back plate, which is far away from the connecting rod;

and/or, the seat support still includes the cushion, the cushion is located the top of seat support.

Optionally, the office chair still includes elevating system, elevating system's one end connect in moving mechanism, the other end connect in the bottom of seat support, the elevating system drive the seat support removes along vertical direction, moving mechanism drives elevating system the seat support with the back of the chair removes.

Optionally, the moving mechanism further includes a central seat and a plurality of connecting support legs, the plurality of connecting support legs are circumferentially connected to the central seat at intervals, and one pulley is correspondingly connected to one end of each connecting support leg far away from the central seat.

Optionally, the office chair further comprises a headrest connected to an end of the back plate remote from the seat.

The technical scheme of the utility model is that the moving member is arranged on the seat of the office chair, the moving member is arranged along the length direction of the seat, the chair back is connected with the moving member through the connecting seat and is connected with the connecting seat and the back plate through the connecting rod, the connecting rod is rotatably connected with the connecting seat, and the back plate and the connecting rod can rotate along the connecting seat; the moving member is provided with a plurality of spacing grooves along its extending direction interval, and the connecting seat can be through the block in the spacing groove of difference, and then drives connecting rod and backplate and remove and fix, realizes that the back of the chair removes and then is close to or keeps away from the effect of seat support along the moving member, and then can adjust office chair's the scope of taking and back position, has improved office chair's suitability and adjustable ability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of an office chair according to the present invention;

FIG. 2 is a schematic view of the chair seat and the chair back of the office chair of the present invention;

FIG. 3 is a cross-sectional view of the chair seat and the chair back in the office chair of the present invention;

fig. 4 is a schematic structural view of another embodiment of the office chair of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name(s)
				1	Office chair	10	Chair seat
11	Moving part	111	Spacing groove
				13	Cushion pad	30	Chair back
31	Back plate	32	Connecting rod
				33	Connecting seat	331	Rotating part
3311	Accommodating tank	333	Connecting part
				3331	Limiting buckle	34	Back cushion
40	Head rest	50	Armrest
				51	Spacing lug	70	Moving mechanism
71	Center seat	73	Connecting support leg
				75	Pulley wheel	90	Lifting mechanism

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; \8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an office chair 1.

In the embodiment of the present invention, as shown in fig. 1 to 4, the office chair 1 includes a chair seat 10, a chair back 30 and a moving mechanism 70; one side surface of the seat 10 is provided with a moving member 11, the moving member 11 extends along the length direction of the seat 10, and the moving member 11 is provided with a plurality of limiting grooves 111 at intervals along the extending direction; the chair back 30 comprises a back plate 31, a connecting rod 32 and a connecting seat 33, wherein the back plate 31 is arranged on one side of the chair seat 10, one end of the connecting rod 32 is connected to the surface of the back plate 31, which is back to the chair seat 10, while the other end is rotatably connected to the connecting seat 33, the connecting seat 33 is slidably connected to the moving part 11 and can be clamped in different limiting grooves 111, so that the back plate 31 is close to or far away from the chair seat 10 and rotates along the connecting seat 33; the moving mechanism 70 includes a plurality of wheels disposed at the bottom of the seat 10 to drive the seat 10 to move.

The seat support 10 is provided with moving member 11, and moving member 11 extends along the horizontal direction, has seted up a plurality of spacing grooves 111 on the moving member 11, and a plurality of spacing grooves 111 set up along the extending direction interval of moving member 11. The moving member 11 can be disposed at the bottom, side or top of the seat 10, and in this embodiment, the moving member 11 is disposed at the bottom of the seat 10. In an embodiment of the present invention, the moving member 11 extends along the seat 10 toward the backrest 30. Back of the chair 30 includes backplate 31, connecting rod 32 and connecting seat 33, and the bottom of seat support 10 is located to connecting seat 33 to slide and locate moving member 11, the one end of connecting rod 32 is connected in connecting seat 33, and backplate 31 is connected to the other end, and then when connecting seat 33 is located moving member 11 and removes, connecting seat 33 can be located the horizontal direction along moving member 11 and remove, and then drives connecting rod 32 and backplate 31 and be located the horizontal direction and remove. The moving direction of connecting seat 33 can set up the direction decision according to the extension of moving member 11 the utility model discloses an in one embodiment, the relative movement direction setting of backplate 31 and seat support 10 is followed to the setting direction of moving member 11, when connecting seat 33 is located moving on moving member 11 promptly, can drive connecting rod 32 and backplate 31 and be close to relatively or keep away from seat support 10. In another embodiment, the moving member 11 can be disposed in a direction parallel to the back plate 31, and the connecting seat 33 can drive the connecting rod 32 and the back plate 31 to move left and right along the seat 10.

A plurality of limiting grooves 111 are formed in the moving member 11, and the limiting grooves 111 may be formed in a side surface of the moving member 11 facing the seat 10, or may be formed in a side surface of the moving member 11 facing away from the seat 10. When connecting seat 33 slides in moving member 11, can be in different spacing groove 111 through the block, and then be fixed in the different positions of moving member 11, because connecting seat 33 is connected with connecting rod 32 and backplate 31, and then drive connecting rod 32 and backplate 31 and remove, and the relative position of fixed link rod 32 and backplate 31 and seat support 10, realize back of the chair 30 along the moving member 11 and then be close to or keep away from the effect of seat support 10, be close to or keep away from seat support 10 through back of the chair 30, and then can adjust the scope of taking and the back position of office chair 1, the suitability and the adjustable ability of office chair 1 have been improved. When the connecting seat 33 is engaged with the limiting groove 111, the connecting seat 33 and the moving member 11 are in a relatively movement-limiting state, and the moving member 11 is fixedly connected with the moving member, so that the connecting seat 33 and the seat 10 are in a relatively static state; when the connecting seat 33 is disengaged from the limiting groove 111, the moving member 11 loses the limiting force on the connecting seat 33, and thus the connecting seat 33 can move above the moving member 11.

The connecting rod 32 is used for connecting the back plate 31 and the connecting seat 33, and fixing the position of the back plate 31, and fixing the height and the direction of the back plate 31 relative to the seat 10. One end of the connecting rod 32 is connected to the connecting seat 33, and the other end is bent upwards to form a supporting portion for abutting against the back plate 31, so that the back plate 31 is supported and the back plate 31 is driven to move, and the structural strength of the office chair 1 is improved. Moreover, the connecting rods 32 can be connected to the back plate 31 at different heights, so as to support the back plate 31 at different positions. Further, a rotating member may be disposed at an end of the connecting rod 32 connected to the back plate 31, so that the back plate 31 may rotate along the end of the connecting rod 32, thereby realizing different use scenarios for users and realizing rotation of the back plate 31.

Further, the connecting rod 32 is rotatably connected to the connecting seat 33, and when the connecting seat 33 is engaged with the limiting groove 111, the connecting seat 33 and the moving member 11 are in a relatively static state, that is, the connecting rod 32 rotates relative to the moving member 11, and the back plate 31 is connected to the connecting rod 32, so that the back plate 31 can rotate relative to the seat 10, thereby achieving the effect that the back plate 31 can rotate. The utility model discloses an in the embodiment, connecting rod 32 and connecting seat 33 all set up along vertical direction, therefore backplate 31 can drive with connecting rod 32 and rotate along vertical direction, realizes that backplate 31 stands vertically or lies.

The technical scheme of the utility model is that the moving member 11 is arranged on the seat 10 of the office chair 1, the moving member 11 is arranged along the length direction of the seat 10, the chair back 30 is connected with the moving member 11 through the connecting seat 33 and is connected with the connecting seat 33 and the back plate 31 through the connecting rod 32, the connecting rod 32 is rotatably connected with the connecting seat 33, and the back plate 31 and the connecting rod 32 can rotate along the connecting seat 33; moving member 11 is provided with a plurality of spacing grooves 111 along its extending direction interval, and connecting seat 33 can be through the block in the spacing groove 111 of difference, and then drives connecting

rod

32 and 31 removals of backplate and fix, realizes that back of the chair 30 moves and then is close to or keeps away from the effect of seat support 10 along moving member 11, and then can adjust office chair 1's sitting scope and back position, has improved office chair 1's suitability and controllability.

In an embodiment of the present invention, as shown in fig. 3, the connecting seat 33 includes a rotating portion 331 and a connecting portion 333, the outer periphery of the connecting portion 333 is located with the rotating portion 331, and rotates along the connecting portion 333, the end of the connecting rod 32 away from the back plate 31 is connected to the rotating portion 331, the connecting portion 333 is provided with a limiting buckle 3331 on the surface facing the moving member 11, and the limiting buckle 3331 is engaged with the limiting groove 111.

The connecting seat 33 comprises a rotating part 331 and a connecting part 333, the connecting part 333 is provided with a limiting buckle 3331, the limiting buckle 3331 can be clamped with the limiting groove 111, and then is clamped in the limiting groove 111 to limit the relative movement of the connecting seat 33 and the seat 10, and further limit the relative movement of the connecting rod 32, the seat back 30 and the seat 10; the rotating portion 331 is sleeved outside the connecting portion 333 and can rotate relative to the connecting portion 333, the connecting rod 32 is connected to the rotating portion 331, and when the rotating portion 331 rotates relative to the connecting portion 333, the connecting rod 32 and the back plate 31 are driven to rotate, so that the rotation of the chair back 30 is realized, and the effect that the back plate 31 can rotate is realized.

Further, the connecting rod 32 and the connecting seat 33 are both disposed along the vertical direction, and then the rotating portion 331 and the connecting portion 333 are both disposed along the vertical direction, so that the backboard 31 can be driven by the connecting rod 32 to rotate along the vertical direction, and the upright or lying of the backboard 31 is realized.

In an embodiment of the present invention, as shown in fig. 2, the number of the connecting rods 32 and the connecting seats 33 is two, two connecting seats 33 are disposed on two opposite sides of the bottom of the seat 10, one ends of the two connecting rods 32 are respectively connected to two opposite edges of the back plate 31, and the other ends are respectively connected to two rotating portions 331.

The quantity of connecting rod 32 and connecting seat 33 is two, and two connecting seats 33 are located the relative both sides of seat support 10 bottom respectively, and two connecting seats 33 are connected respectively to the one end of two connecting rods 32, and the other end of two connecting rods 32 is connected in the relative both sides edge of backplate 31 for support the both sides of backplate 31. Two sets of connecting seats 33 and connecting rod 32's setting is favorable to improving the stability of backplate 31 structure to and backplate 31 pivoted stability prevents that backplate 31 from dropping, has improved office chair 1's structural strength. The connecting rods 32 are connected to the two opposite sides of the back plate 31, so that the stress degree of different positions of the back plate 31 can be balanced, and the structural stability of the back plate 31 is improved.

In an embodiment of the present invention, as shown in fig. 1 to 4, the office chair 1 further includes two armrests 50, the two armrests 50 are respectively connected to the two rotating portions 331 and located on one side of the chair back 30 facing the chair seat 10, and the armrests 50 rotate along the connecting portion 333.

Handrail 50's quantity is two, two handrails 50 are connected respectively in the rotation portion 331 of two connecting seats 33, and with connecting rod 32 dislocation set, and then rotation portion 331 rotates and can drive connecting rod 32 and handrail 50 simultaneously and rotate, make backplate 31 and handrail 50 be in synchronous pivoted state, satisfy the user and can follow user's the synchronous rotation of the orientation of lying at the in-process handrail 50 that lies, realized handrail 50's humanized setting, user experience has been improved.

In an embodiment of the present invention, as shown in fig. 3, a limiting protrusion 51 is disposed at an end of the handrail 50 close to the connecting seat 33, the accommodating groove 3311 is disposed on the rotating portion 331, and the handrail 50 is fixed to the accommodating groove 3311 and the rotating portion 331 through the limiting protrusion 51.

The end of the armrest 50 near the connecting seat 33 is provided with a limiting protrusion 51, the rotating portion 331 is provided with a receiving slot 3311, and the armrest 50 is engaged with the receiving slot 3311 through the limiting protrusion 51 to connect to the connecting seat 33. The arrangement of the limit protrusion 51 and the accommodation groove 3311 can facilitate the connection between the armrest 50 and the connection seat 33, and the armrest 50 is only connected to the rotation portion 331 without interfering with the movement of the connection portion 333, thereby improving the independence of the rotation portion 331 and the synchronization between the connection rod 32 and the armrest 50. It can be understood that, in the normal state, the opening of the accommodating slot 3311 is opened upward, so that the armrest 50 is disposed toward the user.

In an embodiment of the present invention, as shown in fig. 1 to 4, the connecting seat 33 further includes a limiting member (not shown), the limiting member is disposed between the rotating portion 331 and the connecting portion 333, one end of the limiting member abuts against the rotating portion 331, and the other end abuts against the connecting portion 333, so as to limit the rotating angle range of the rotating portion 331 to be 0-90 °.

The limiting part is used for limiting the rotation angle of the rotation part 331, so that the rotation angles of the connecting rod 32 and the handrail 50 are limited, the rotation angle of the back plate 31 is limited, the phenomenon that the back plate 31 is toppled over due to the fact that the rotation angle is too large is avoided, and use experience and safety are improved.

In an embodiment of the present invention, as shown in fig. 1 to 4, the chair back 30 further includes a back cushion 34, the back cushion 34 is adhered to a side surface of the back plate 31 away from the connecting rod 32;

and/or, the seat 10 further comprises a cushion 13, and the cushion 13 is arranged above the seat 10.

The back pad 34 is disposed on the back plate 31, and has supporting and protecting effects on the back of the user, so that the user experience is improved.

The setting in the top of seat support 10 of cushion 13 has the effect that supports and protect to user's buttock, has improved user's use and has experienced.

In an embodiment of the present invention, as shown in fig. 1 and 4, the office chair 1 further includes a lifting mechanism 90, one end of the lifting mechanism 90 is connected to the moving mechanism 70, the other end of the lifting mechanism is connected to the bottom of the chair seat 10, the lifting mechanism 90 drives the chair seat 10 to move along the vertical direction, and the moving mechanism 70 drives the lifting mechanism 90, the chair seat 10 and the chair back 30 to move.

Elevating system 90 sets up between moving mechanism 70 and seat support 10 for the height of lift seat support 10, elevating system 90 includes the cylinder, goes up and down through driving actuating cylinder and changes the distance between seat support 10 and the moving mechanism 70, reaches the effect that changes office chair 1 height.

In an embodiment of the present invention, as shown in fig. 1 and 4, the moving mechanism 70 further includes a central base 71 and a plurality of connecting legs 73, the plurality of connecting legs 73 are circumferentially connected to the central base 71 at intervals, and a pulley 75 is correspondingly connected to an end of one of the connecting legs 73 away from the central base 71.

The moving mechanism 70 comprises a central seat 71, connecting support legs 73 and pulleys 75, the number of the connecting support legs 73 and the number of the pulleys 75 are multiple groups and equal, the multiple groups of connecting support legs 73 are uniformly connected to the circumferential side wall of the central seat 71, the pulleys 75 are respectively connected to the ends, far away from the central seat 71, of the connecting support legs 73 in a one-to-one correspondence manner, the lifting mechanism 90 is arranged at the upper end of the central seat 71, the connecting support legs 73 are arranged in an arc rod-shaped structure, the connecting support legs 73 are uniformly distributed in a star-shaped structure, the stability of the adjustable office chair 1 with the armrests 50 can be improved, the office chair 1 can be tilted laterally, and potential safety hazards of users can be eliminated.

In an embodiment of the present invention, as shown in fig. 4, the office chair 1 further includes a headrest 40, and the headrest 40 is connected to an end of the back plate 31 far away from the seat 10.

The headrest 40 is arranged above the backboard 31, has supporting and protecting effects on the head of a user, and improves the use experience of the user.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the inventive concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. An office chair, characterized in that the office chair comprises:

the movable piece is arranged on one side face of the seat and extends along the length direction of the seat, and a plurality of limiting grooves are formed in the movable piece at intervals along the extending direction of the movable piece;

2. The office chair as claimed in claim 1, wherein the connecting base includes a rotating portion and a connecting portion, the rotating portion is sleeved on an outer periphery of the connecting portion and rotates along the connecting portion, one end of the connecting rod away from the back plate is connected to the rotating portion, a surface of the connecting portion facing the moving member is provided with a limiting buckle, and the limiting buckle is engaged in the limiting groove.

3. An office chair as claimed in claim 2, wherein the number of said connecting rods and said connecting seats are two, two of said connecting seats are provided on opposite sides of the bottom of said seat, one end of each of said two connecting rods is connected to opposite side edges of said back plate, and the other end thereof is connected to two of said rotating portions.

4. An office chair as claimed in claim 3, further comprising two arms connected to the respective pivot portions and located on a side of the back facing the seat, the arms being pivotable along the connecting portions.

5. An office chair as claimed in claim 4, wherein the end of the armrest adjacent to the connecting seat is provided with the limiting protrusion, the rotating part is provided with a receiving slot, and the armrest is fixed to the rotating part by engaging the limiting protrusion with the receiving slot.

6. The office chair according to any one of claims 2 to 5, wherein the connecting base further comprises a limiting member, the limiting member is disposed between the rotating portion and the connecting portion, one end of the limiting member abuts against the rotating portion, and the other end abuts against the connecting portion, so as to limit the rotating angle range of the rotating portion to 0 to 90 °.

7. An office chair as claimed in any one of claims 1 to 5, wherein the chair back further comprises a back pad affixed to a side surface of the back plate facing away from the connecting bar;

and/or, the seat also comprises a cushion, and the cushion is arranged above the seat.

8. The office chair of claim 1, further comprising a lift mechanism having one end connected to the moving mechanism and another end connected to the bottom portion of the seat, the lift mechanism driving the seat to move in a vertical direction, the moving mechanism driving the lift mechanism, the seat, and the back to move.

9. The office chair of claim 8, wherein said moving mechanism further comprises a central seat and a plurality of attachment legs, said plurality of attachment legs being circumferentially spaced apart from said central seat.

10. The office chair of claim 1, further comprising a headrest connected to an end of the back plate remote from the seat.