CN217792127U

CN217792127U - High stability office chair bearing structure

Info

Publication number: CN217792127U
Application number: CN202221781488.2U
Authority: CN
Inventors: 王加明
Original assignee: Shenyang New Discovery Furniture Manufacturing Co ltd
Current assignee: Shenyang New Discovery Furniture Manufacturing Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-11-15
Anticipated expiration: 2032-07-12

Abstract

The utility model belongs to the technical field of office chair bearing structure, especially, be a high stability office chair bearing structure, including the back shaft, the back shaft bottom is rotated and is connected with spacing cover, the back shaft lateral wall is equipped with first supporting component, first supporting component includes first slip supporting shoe, the first bracing piece of a plurality of and spacing collar, first slip supporting shoe sliding connection in back shaft lateral wall, a plurality of first bracing piece evenly distributed is in first slip supporting shoe lateral wall, spacing collar fixed connection in the back shaft outer wall, first slip supporting shoe bottom fixedly connected with spring, spring other end fixed connection in the spacing collar top, the spacing cover outside is equipped with the second supporting component, the second supporting component includes second slip supporting shoe and a plurality of second bracing piece.

Description

High stability office chair bearing structure

Technical Field

The utility model belongs to the technical field of office chair bearing structure, concretely relates to high stability office chair bearing structure.

Background

In daily life, the bench chair is indispensable to people, and the basic function of chair is that the user supports its health at work or rest state, and the office chair then requires homoenergetic to use under work and rest two kinds of states, and to the structure of supporting the office chair, current structure all is that a center post is connected with seat board single-point, and the pressure dispersion ability that will receive is relatively poor, appears partial wear and deformation after long-term the use easily and damages, has great influence to the use in office chair later stage.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high stability office chair bearing structure uses through the cooperation of first supporting component and second supporting component to make office chair more stable and not fragile, has characteristics simple to use convenience, and that the availability factor is high.

The utility model provides a following technical scheme: the supporting shaft comprises a supporting shaft body, the bottom end of the supporting shaft body is rotatably connected with a limiting cover, a first supporting assembly is arranged on the side wall of the supporting shaft body, the first supporting assembly comprises a first sliding supporting block, a plurality of first supporting rods and a limiting ring, the first sliding supporting block is slidably connected to the side wall of the supporting shaft body, the first supporting rods are evenly distributed on the side wall of the first sliding supporting block, the limiting ring is fixedly connected to the outer wall of the supporting shaft body, a spring is fixedly connected to the bottom end of the first sliding supporting block, the other end of the spring is fixedly connected to the top end of the limiting ring, a second supporting assembly is arranged on the outer side of the limiting cover body, and the second supporting assembly comprises a second sliding supporting block and a plurality of second supporting rods.

The side wall of the limiting cover is connected with a second sliding supporting block in a sliding mode, a plurality of second supporting rods are uniformly distributed on the side wall of the second sliding supporting block, the other ends of the plurality of second supporting rods are fixedly connected with the side wall of the first supporting rod, the bottom end of the limiting cover is fixedly connected with a base, and the second sliding supporting block is in contact with the top end of the base.

The other end of the first supporting rod is uniformly distributed on the side wall of the positioning ring, and a threaded hole for fixing the seat is formed in the side wall of the positioning ring.

And the top end of the supporting shaft is fixedly connected with a limiting plate, and the limiting plate is in contact with the top wall of the first sliding supporting block.

Wherein, a plurality of ball is installed to the back shaft bottom, the ball with spacing cover bottom inner wall contact.

The utility model has the advantages that: spacing cover carries out level and vertical direction's spacing to the back shaft, thereby make the work that the back shaft can be stable, first slip supporting shoe carries out the bottom sprag to first bracing piece, first slip supporting shoe and first bracing piece have been supported to the spacing collar, share the pressure that comes from the seat board jointly through a plurality of first bracing pieces, the pressure that makes single first bracing piece receive reduces, the spring cushions the power of unloading to first slip supporting shoe, it is more comfortable to use the impression, use through the cooperation of second supporting component and first supporting component and make the office chair more stable and not fragile and avoided appearing partial wear and damage after long-term use and have great influence to the use in office chair later stage easily.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic view of a front section structure in a motion state of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic top view of the present invention;

in the figure: 1. a support shaft; 2. a first support assembly; 3. a second support assembly; 11. a limiting cover; 12. a base; 13. a limiting plate; 14. a ball bearing; 21. a first sliding support block; 22. a first support bar; 23. a limiting ring; 31. a second sliding support block; 32. a second support bar; 211. a spring; 221. and (6) positioning rings.

Detailed Description

Referring to fig. 1-4, the present invention provides the following technical solutions: including

back shaft

1, 1 bottom of back shaft rotates and is connected with

spacing cover

11, 1 lateral wall of back shaft is equipped with first supporting component 2, first supporting component 2 includes first slip supporting shoe 21, the first bracing piece 22 of a plurality of and spacing collar 23, first slip supporting shoe 21 sliding connection is in 1 lateral wall of back shaft, the first bracing piece 22 evenly distributed of a plurality of is at first slip supporting shoe 21 lateral wall, spacing collar 23 fixed connection is in 1 outer wall of back shaft, 21 bottom fixed connection of first slip supporting shoe has spring 211, spring 211 other end fixed connection is on 23 tops of spacing collar, the 11 outsides of spacing cover are equipped with second supporting component 3, second supporting component 3 includes second slip supporting shoe 31 and a plurality of second bracing piece 32.

In this embodiment: the supporting shaft 1 is a supporting central column below the seat plate, the supporting shaft 1 supports all components to work on the side wall of the supporting shaft 1, the bottom end of the supporting shaft 1 is wrapped by a limiting cover 11, the limiting cover 11 limits the supporting shaft 1 in the horizontal direction, meanwhile, a protruding block at the bottom end of the supporting shaft 1 enables the supporting shaft 1 to be limited in the vertical direction by the limiting cover 11, so that the supporting shaft 1 can work stably, the first supporting component 2 supports the seat plate, a first sliding supporting block 21 and a first supporting rod 22 are supported by a limiting ring 23, the first supporting rod 22 which is uniformly distributed supports the seat plate, when a user sits on the seat plate, the seat plate applies pressure to the first supporting rod 22, the pressure from the seat plate is shared by a plurality of first supporting rods 22, the pressure borne by a single first supporting rod 22 is reduced, and the first sliding supporting block 21 supports the bottom end of the first supporting rod 22, the pressure received by all the first supporting rods 22 is jointly applied to the first sliding supporting blocks 21, the supporting shaft 1 is not directly contacted with the seat plate, the phenomenon that the later use of the office chair is greatly influenced by partial abrasion and damage easily caused after long-term use is avoided, meanwhile, when the office chair is used, the limiting ring 23 supports the spring 211, the spring 211 supports the first sliding supporting blocks 21, the first sliding supporting blocks 21 are not directly contacted with the limiting ring 23, the first supporting rods 22 drive the first sliding supporting blocks 21 to vertically and downwards displace relative to the supporting shaft 1, the spring 211 buffers and unloads the force of the first sliding supporting blocks 21 and the first supporting rods 22, and a user has elastic support when sitting down, the use feeling is more comfortable, and the office chair is more stable and not easy to damage due to the matching use of the second supporting components 3 and the first supporting components 2, through the cooperation use of second slip supporting shoe 31 and second bracing piece 32, transmit the pressure that first bracing piece 22 received for second bracing piece 32 and second slip supporting shoe 31 to the dispersion that the pressure that makes receive in time, bearing structure is not fragile when making long-term the use.

The side wall of the limit cover 11 is connected with a second sliding support block 31 in a sliding manner, a plurality of second support rods 32 are uniformly distributed on the side wall of the second sliding support block 31, the other ends of the plurality of second support rods 32 are fixedly connected with the side wall of the first support rod 22, the bottom end of the limit cover 11 is fixedly connected with a base 12, and the second sliding support block 31 is contacted with the top end of the base 12; the base 12 is placed on the ground, due to the planar structure, the base 12 plays a role in supporting the support shaft 1 and the limiting cover 11 in a stable vertical direction, the second support assembly 3 supports the seat pressure for the second time, wherein the second support rod 32 supports the corresponding first support rod 22, so that the pressure received by the first support rod 22 is transmitted to the second support rod 32, the second support rod 32 transmits the received force to the second sliding support block 31, the second sliding support block 31 provides a supporting role for the second support rod 32, the second support rod 32 drives the second sliding support block 31 to vertically slide downwards relative to the limiting cover 11, the second support rods 32 disperse the pressure, so that the pressure received by the single second support rod 32 is reduced, when the first support rod 22 is subjected to excessive pressure, the second sliding support block 31 is transmitted to the second sliding support block 31 through the second support rod 32, the second sliding support block 31 descends to be in contact with the top wall of the base 12, and the base 12 divides the pressure from the first support assembly 2 and the second support assembly 3.

The other ends of the first support rods 22 are uniformly distributed on the side wall of the positioning ring 221, and the side wall of the positioning ring 221 is provided with threaded holes for fixing a seat; a plurality of first bracing pieces 22 pass through position circle 221 fixed connection, because first bracing piece 22 and position circle 221 are hard material to make a plurality of first bracing pieces 22 when receiving pressure, through the series connection linkage of position circle 221, first slip supporting shoe 21 can not be partial to the swing, stable work, and the screw hole that the seat board passes through on the position circle 221 simultaneously carries out bolted connection fixedly.

The top end of the supporting shaft 1 is fixedly connected with a limiting plate 13, and the limiting plate 13 is contacted with the top wall of the first sliding supporting block 21; when the first supporting assembly 2 works, the limiting plate 13 is used for limiting the first sliding supporting block 21 in the vertical direction, when a user gets up, the spring 211 pushes the first sliding supporting block 21 elastically, the limiting plate 13 blocks the first sliding supporting block 21 and cannot pop out the supporting shaft 1, the limiting plate 13 and the limiting ring 23 are used in a matched mode, the first sliding supporting block 21 is limited between the limiting ring 23 and the limiting plate 13, meanwhile, the first supporting rod 22 drives the second supporting rod 32, the second supporting rod 32 drives the second sliding supporting block 31, the second sliding supporting block 31 cannot be displaced out of the side wall of the limiting cover 11, and therefore the first sliding supporting block 21 and the second sliding supporting block 31 can work on the supporting shaft 1 and the limiting cover 11 stably.

The bottom end of the supporting shaft 1 is provided with a plurality of balls 14, and the balls 14 are in contact with the inner wall of the bottom end of the limiting cover 11; the back shaft 1 passes through the ball 14 and contacts with the spacing cover 11 bottom inner wall of bottom, ball 14 plays the bottom supporting role to back shaft 1, simultaneously in the use, the user adjusts the seat through rotating the seat board, the seat board drives position circle 221 and first bracing piece 22 and rotates, first bracing piece 22 drives first slip supporting shoe 21 and rotates at back shaft 1 lateral wall, first slip supporting shoe 21 drives spring 211 and spacing circle 23 and rotates, spacing circle 23 drives back shaft 1 and rotates, back shaft 1 rotates inside spacing cover 11 through the roll of ball 14, the direct contact of back shaft 1 with the spacing cover 11 bottom inner wall has been avoided appearing damaging, first bracing piece 22 drives second bracing piece 32 and rotates, second bracing piece 32 drives second slip supporting shoe 31 and rotates at the spacing cover 11 outer wall, the linkage effect has been realized, first supporting component 2 and second supporting component 3 support the seat board all the time along with the rotation of seat board.

The utility model discloses a theory of operation and use flow: in the using process, a user sits on the seat board, the seat board transmits pressure to the positioning ring 221 and the first supporting rod 22, the first supporting rod 22 transmits the pressure to the first sliding supporting block 21 and the corresponding second supporting rod 32, the first sliding supporting block 21 transmits the pressure to the spring 211 and the limiting ring 23, the second supporting rod 32 transmits the pressure to the second sliding supporting block 31, the second sliding supporting block 31 transmits the pressure to the base 12, the pressure from the seat board is shared by the first supporting rods 22, the pressure borne by the first supporting rod 22 is reduced, the second supporting rods 32 disperse the pressure, the pressure borne by the second supporting rod 32 is reduced, the supporting shaft 1 is not in direct contact with the seat board, and the problem that after long-term use, abrasion and damage are easy to occur, and the use of the office chair in the later period has large influence deviation is avoided.

Claims

1. The utility model provides a high stability office chair bearing structure which characterized in that: including back shaft (1), back shaft (1) bottom is rotated and is connected with spacing hood (11), back shaft (1) lateral wall is equipped with first supporting component (2), first supporting component (2) are including first slip supporting shoe (21), the first bracing piece of a plurality of (22) and spacing collar (23), first slip supporting shoe (21) sliding connection in back shaft (1) lateral wall, a plurality of first bracing piece (22) evenly distributed is in first slip supporting shoe (21) lateral wall, spacing collar (23) fixed connection in back shaft (1) outer wall, first slip supporting shoe (21) bottom fixed connection has spring (211), spring (211) other end fixed connection in spacing collar (23) top, spacing hood (11) outside is equipped with second supporting component (3), second supporting component (3) include second slip supporting shoe (31) and a plurality of second bracing piece (32).

2. A high stability office chair support structure as claimed in claim 1, wherein: the side wall of the limiting cover (11) is connected with a second sliding supporting block (31) in a sliding mode, the second supporting rods (32) are evenly distributed on the side wall of the second sliding supporting block (31), the other ends of the second supporting rods (32) are fixedly connected with the side wall of the first supporting rod (22), the bottom end of the limiting cover (11) is fixedly connected with a base (12), and the second sliding supporting block (31) is in contact with the top end of the base (12).

3. A high stability office chair support structure as claimed in claim 1, wherein: the other ends of the first supporting rods (22) are uniformly distributed on the side wall of the positioning ring (221), and threaded holes for fixing the seat are formed in the side wall of the positioning ring (221).

4. A high stability office chair support structure as claimed in claim 1, wherein: the top end of the supporting shaft (1) is fixedly connected with a limiting plate (13), and the limiting plate (13) is in contact with the top wall of the first sliding supporting block (21).

5. A high stability office chair support structure as claimed in claim 1, wherein: a plurality of balls (14) are installed at the bottom end of the supporting shaft (1), and the balls (14) are in contact with the inner wall of the bottom end of the limiting cover (11).