CN218791389U - Armrest structure of office chair - Google Patents

Abstract

The utility model provides an office chair handrail structure, includes inner tube, outer tube, connection structure, handrail backing plate and elastic sliding block, elastic sliding block includes slider main part, button and the high fixture block that integrated into one piece set up, be equipped with the fixture block spout on the inner tube, the fixture block spout is equipped with a plurality of screens, be equipped with the key hole on the outer tube, the inner tube is equipped with connection structure, elastic sliding block still includes the outer tube fixture block, outer tube fixture block integrated into one piece set up in the slider main part, be equipped with the slider spout on the inner tube, the outer tube is equipped with the slider fixed slot. When the outer tube removed, the outer tube supported elastic slider's both ends through being connected two bearing structure that form elastic slider with elastic slider both ends for elastic slider atress is balanced relatively, has avoided the office chair handrail to slide when height-adjusting not smoothly, influences the problem of using experience.

Description

Armrest structure of office chair

Technical Field

The utility model relates to an office chair field, concretely relates to office chair handrail structure.

Background

Office chair, english office chair, the various chairs that are equipped for work convenience in daily work and social activity that are referred to, at present, office crowd's office time generally is more than eight hours, and office crowd need sit work on the chair about 60% of the time every day, selects a suitable office chair to be important for office crowd, and office chair handrail is an important part in the office chair, because figure parameters such as the height of everyone are different, so office chair handrail that adjustable height has appeared in the market.

Chinese patent No. CN201920102156.9 discloses an armrest of an office chair and an office chair with the armrest, comprising:

the inner pipe is provided with a sliding groove, and a plurality of clamping grooves are formed in the sliding groove;

the outer pipe is sleeved on the inner pipe in a sliding manner, and the moving direction of the outer pipe is consistent with the opening direction of the sliding chute;

the elastic sliding block is arranged in the inner tube in a sliding mode, a clamping portion and a key are arranged on the elastic sliding block, a key hole is formed in the outer tube, the key penetrates through the sliding groove and the key hole, the elastic sliding block is enabled to be linked with the outer tube through the key, the clamping portion can be clamped with the corresponding clamping groove, and the clamping portion exits from the corresponding clamping groove when the key is pressed;

the anti-falling mechanism is arranged on the elastic sliding block and used for preventing the clamping part from falling off the clamping groove when the key is not pressed.

In this patent document, although be provided with anti-disengaging mechanism on the elastic sliding block in order to prevent that the button from deviating from the draw-in groove in non-pressurized time block portion, when the elastic sliding block pressurized removed, because the elastic sliding block does not form bearing structure with outer union coupling with the one side of inner tube contact, the elastic sliding block produced deformation because the atress is uneven, and it is not smooth and easy to lead to the office chair handrail to slide when height-adjusting, and the influence is used and is experienced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an office chair armrest structure.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an office chair armrest structure, includes inner tube, outer tube, connection structure, handrail backing plate and elastic sliding block, elastic sliding block includes slider main part, button and the high fixture block that integrated into one piece set up, the button is established in one side of slider main part, high fixture block is established in the one end that the button is close to the slider main part, be equipped with the fixture block spout that is used for the button to remove on one side of inner tube, the fixture block spout is equipped with a plurality of screens from top to bottom, high fixture block can move about and the screens cooperation, the slider main part is located the inside of inner tube, the outside at the inner tube is established to the outer pipe cover, be equipped with on the outer tube and be used for the button to pass the button hole of outer tube, the bottom of inner tube is equipped with connection structure, elastic sliding block still includes the outer tube fixture block, outer tube fixture block integrated into one piece set up in on the opposite side of slider main part, be equipped with the slider spout that is used for the outer tube fixture block to remove on the opposite side of inner tube, the inboard of outer tube is equipped with the slider fixed slot, the outer tube fixture block passes the slider after the slider spout and cooperates in the slider fixed slot.

The utility model discloses in, be equipped with two at least slide rail structure between outer tube and the inner tube, slide rail structure includes two direction dogs, slider, direction dog integrated into one piece sets up on the outside of inner tube, constitutes the direction space between two direction dogs, slider integrated into one piece sets up on the inboard of outer tube, the slider stretches into in the direction space, be equipped with the connection slide rail that is located the direction space on the direction dog, be equipped with on the slider and connect slide rail sliding fit's guide way.

The utility model discloses in, connection structure is "L" shape structure, connection structure is including the seat support connecting seat that is used for connecting the office chair seat support and the inner tube connecting seat that is used for connecting the inner tube, be equipped with the inner tube mounting groove on the inner tube connecting seat, install in the inner tube mounting groove the below of inner tube.

The utility model discloses in, the handrail backing plate includes backing plate main part and backing plate extension board, the below of backing plate main part is equipped with the outer tube mounting groove, the top of outer tube is equipped with the backing plate mount pad, the backing plate mount pad passes through the fix with screw in the outer tube mounting groove, the both sides of backing plate main part are equipped with the extension shifting chute, the both ends of extending the shifting chute are equipped with the stopper, the inside extension movable block that is equipped with in both sides of backing plate extension board, extend the movable chute and cooperate with the extension movable block.

The utility model discloses in, the slider main part is the loop configuration, all be equipped with spring fixing tenon, two on the inside relative both sides of slider main part spring fixing tenon is fixed with the compression spring who is used for assisting elasticity slider compression resilience.

The utility model discloses in, the downside of screens is the first inclined plane structure of inside tilt up, the lower part of high fixture block is second inclined plane structure, the incline direction of second inclined plane structure is unanimous with the incline direction of first inclined plane structure, and when high fixture block joint was in the screens, second inclined plane structure and first inclined plane structure contact each other.

The utility model has the advantages that: the utility model discloses an elastic sliding block includes button and outer tube fixture block, set up fixture block spout and slider spout respectively in the relative both sides of outer tube, the button is through cooperateing with the key hole, the outer tube fixture block is through cooperateing with the slider fixed slot, make the elastic sliding block both ends all with outer tube connection, when the outer tube removes, the outer tube is through being connected two bearing structure to elastic sliding block with elastic sliding block both ends formation, support elastic sliding block's both ends, make elastic sliding block atress relative balance, it is unsmooth to have avoided the official working chair handrail to slide when height-adjusting, the problem of using experience is influenced.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a front sectional view of the present embodiment;

FIG. 3 is a cross-sectional view taken along line A;

FIG. 4 is a right sectional view of the present embodiment;

FIG. 5 is a right side view of the present embodiment;

FIG. 6 is a schematic view of an elastic slider;

FIG. 7 is a schematic view of a handrail mat structure;

fig. 8 is a schematic view of a slide rail structure.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solution in the embodiments of the present invention.

As shown in fig. 1 to 8, an office chair armrest structure includes an inner tube 1, an outer tube 2, a connection structure 3, an armrest pad 4 and an elastic slider 5, where the elastic slider 5 includes a slider main body 51, a key 52 and a height fixture block 53, the key 52 is disposed on one side of the slider main body 51, the height fixture block 53 is disposed at one end of the key 52 close to the slider main body 51, a fixture block chute 11 for moving the key 52 is disposed on one side of the inner tube 1, the fixture block chute 11 is disposed from top to bottom, the height fixture block 53 is movable and matched with the fixture block 111, the slider main body 51 is located inside the inner tube 1, the outer tube 2 is disposed on the outer side of the inner tube 1, the outer tube 2 is disposed with a fixture groove 21 for the key 52 to pass through the outer tube 2, the bottom of the inner tube 1 is disposed with the connection structure 3, the elastic slider 5 further includes an outer tube fixture block 54, the outer tube fixture block 54 is integrally disposed on the other side of the slider main body 51, a slider fixing groove 12 is disposed on the other side of the inner tube 1, a slider fixing groove 12 for moving the fixture block 54, a slider fixing groove is disposed on the inner side of the outer tube 2, and a slider fixing groove 22 is disposed on the inner side of the outer tube 2, and a slider fixing groove is disposed on the inner side of the slider fixing groove of the slider.

In this embodiment, the outer tube 2 is sleeved outside the inner tube 1, and the lower end of the outer tube 2 is provided with an opening, the outer tube 2 can move up and down outside the inner tube 1, so that the armrest of the office chair has a height adjusting effect, the elastic slider 5 is connected with the outer tube 2 through the button 52 and the outer tube fixture block 54, the outer tube 2 fixes the button 52 and the outer tube fixture block 54 through the button hole 21 and the slider fixing groove 22, so that the elastic slider 5 is fixed in the outer tube 2, because the outer tube 2 is sleeved outside the inner tube 1, and the elastic slider 5 fixed in the outer tube 2 needs to pass through the inner tube 1, the two opposite sides of the inner tube 1 are respectively provided with the fixture block sliding groove 11 for moving the button 52 and the slider sliding groove 12 for moving the outer tube fixture block 54, so that the elastic slider 5 passes through the inner tube 1 to move along with the outer tube 2, when the outer tube 2 moves, the outer tube 2 is connected with the two ends of the elastic slider 5 to form two supporting structures for the elastic slider 5, and supports the two ends of the elastic slider 5, so that the elastic slider 5 is relatively balanced in stress, and the armrest is prevented from sliding and the armrest from sliding and the office chair is not smooth when the height is adjusted; and through set up a plurality of screens 111 from top to bottom at fixture block spout 11, make high fixture block 53 can move about and cooperate with screens 111, make elastic sliding block 5 can fix on inner tube 1, fix outer tube 2 and inner tube 1 simultaneously through elastic sliding block 5, reach the effect that the office chair handrail can maintain at corresponding height after the height-adjusting.

Further, the lower side of the locking portion 111 is a first inclined surface structure 112 inclined inward and upward, the lower portion of the height locking block 53 is a second inclined surface structure 531, an inclination direction of the second inclined surface structure 531 is identical to an inclination direction of the first inclined surface structure 112, and when the height locking block 53 is locked in the locking portion 111, the second inclined surface structure 531 and the first inclined surface structure 112 contact each other.

Further, the slider main body 51 is of an annular structure, two opposite sides inside the slider main body 51 are respectively provided with a spring fixing tenon 55, and two spring fixing tenons 55 are fixed with a compression spring 56 for assisting the elastic slider 5 in compressing and rebounding.

In this embodiment, the spring fixing tenons 55 are arranged inside the two sides of the slider main body 51, and the two spring fixing tenons 55 fix the compression spring 56, so that when the slider main body 51 is stressed and compressed, the compression spring 56 can provide elastic supporting force for supporting the slider main body 51, the slider main body 51 can be reset better, and incomplete resetting after the slider main body 51 is compressed when the key 52 is collided in a use process is avoided, so that the fixing effect of the height clamping block 53 and the clamping position 111 is weakened; after the sliding block main body 51 is stressed and compressed, the compression spring 56 can accelerate the resetting time of the sliding block main body 51, so that the situation that the height clamping block 53 is unlocked with the clamping position 111 when the sliding block main body 51 is not in time to reset when the key 52 is strongly collided in the use process is avoided; the second inclined surface structure 531 and the first inclined surface structure 112 contact with each other to form mutual constraint, so that friction force is generated, and the unlocking of the height clamping block 53 and the clamping position 111 is further prevented.

Further, be equipped with two at least slide rail structure 6 between outer tube 2 and the inner tube 1, slide rail structure 6 includes two direction dogs 61, slider 62, direction dog 61 sets up on the outside of inner tube 1 with integrated into one piece, constitutes the direction space between two direction dogs 61, slider 62 sets up on the inboard of outer tube 2 with integrated into one piece, slider 62 stretches into in the direction space, be equipped with the connection slide rail 63 that is located the direction space on the direction dog 61, be equipped with on the slider 62 with connect slide rail 63 sliding fit's guide way.

In this embodiment, through set up slide rail 6 between outer tube 2 and inner tube 1 for the office chair handrail slides more smoothly when height-adjusting, further promotes the use experience of handrail.

Further, the armrest pad plate 4 includes a pad plate main body 41 and a pad plate extension plate 42, an outer tube mounting groove 411 is arranged below the pad plate main body 41, a pad plate mounting seat 23 is arranged above the outer tube 2, the pad plate mounting seat 23 is fixed in the outer tube mounting groove 411 through screws, extension moving grooves 412 are arranged on two sides of the pad plate main body 41, two ends of each extension moving groove 412 are provided with limiting blocks 413, extension moving blocks 421 are arranged inside two sides of the pad plate extension plate 42, and the extension moving grooves 412 are matched with the extension moving blocks 421.

In the embodiment, the cushion plate extension plate 42 is added on the handrail cushion plate 4, so that the length of the handrail cushion plate 4 can be adjusted, and people can determine the length of the handrail cushion plate 4 according to their own preference; the two ends of the extension moving groove 412 are provided with the stoppers 413 to prevent the extension moving block 421 from exceeding the moving range of the extension moving groove 412 and causing the backing plate extension plate 42 to fall off.

Further, connection structure 3 is "L" shape structure, connection structure 3 is including the seat support connecting seat 31 that is used for connecting the office chair seat support and the inner tube connecting seat that is used for connecting the inner tube, be equipped with inner tube mounting groove 32 on the inner tube connecting seat, the below of inner tube 1 is installed in inner tube mounting groove 32. Of course, the structure is not limited to the above structure, and in other embodiments, the inner tube 1 and the inner tube connecting seat are integrally formed.

In this embodiment, the seat connecting seat 31 is connected to the seat of the office chair by screws, and the seat connecting seat 31 has a larger contact area with the seat of the office chair, so that a plurality of screws can be used for fastening, and the armrest of the office chair and the seat of the office chair are stably connected.

The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.

Claims (6)

1. The utility model provides an office chair armrest structure, includes inner tube (1), outer tube (2), connection structure (3), handrail backing plate (4) and elastic sliding block (5), elastic sliding block (5) include slider main part (51), button (52) and high fixture block (53) that integrated into one piece set up, one side in slider main part (51) is established in button (52), high fixture block (53) are established in button (52) and are close to the one end of slider main part (51), be equipped with fixture block spout (11) that are used for button (52) to remove on one side of inner tube (1), fixture block spout (11) are equipped with a plurality of screens (111) from top to bottom, high fixture block (53) can move about and cooperate with screens (111), slider main part (51) are located the inside of inner tube (1), the outside at inner tube (1) is established in outer tube (2) cover, be equipped with on outer tube (2) and be used for button (52) to pass key hole (21) of pressing of outer tube (2), the bottom of inner tube (1) is equipped with connection structure (3), its characterized in that: the elastic sliding block (5) further comprises an outer pipe clamping block (54), the outer pipe clamping block (54) is integrally arranged on the other side of the sliding block main body (51), a sliding block sliding groove (12) used for the outer pipe clamping block (54) to move is formed in the other side of the inner pipe (1), a sliding block fixing groove (22) is formed in the inner side of the outer pipe (2), and the outer pipe clamping block (54) penetrates through the sliding block sliding groove (12) and then is matched in the sliding block fixing groove (22).

2. An armrest structure for office chairs according to claim 1, wherein: be equipped with two at least slide rail structure (6) between outer tube (2) and inner tube (1), slide rail structure (6) include two direction dog (61), slider (62), direction dog (61) set up on the outside of inner tube (1) integrated into one piece, constitute the direction space between two direction dog (61), slider (62) set up on the inboard of outer tube (2) integrated into one piece, during slider (62) stretched into the direction space, be equipped with on direction dog (61) and be located the connection slide rail (63) of direction space, be equipped with on slider (62) and connect slide rail (63) sliding fit's guide way.

3. An armrest structure for office chairs according to claim 1, wherein: connection structure (3) are "L" shape structure, connection structure (3) are including seat support connecting seat (31) that are used for connecting the office chair seat support and the inner tube connecting seat that is used for connecting inner tube (1), be equipped with inner tube mounting groove (32) on the inner tube connecting seat, install in inner tube mounting groove (32) the below of inner tube (1).

4. An armrest structure for office chairs according to claim 1, wherein: handrail backing plate (4) are including backing plate main part (41) and backing plate extension board (42), the below of backing plate main part (41) is equipped with outer tube mounting groove (411), the top of outer tube (2) is equipped with backing plate mount pad (23), backing plate mount pad (23) pass through the fix with screw in outer tube mounting groove (411), the both sides of backing plate main part (41) are equipped with extension shifting chute (412), the both ends of extending shifting chute (412) are equipped with stopper (413), the inside extension movable block (421) that are equipped with in both sides of backing plate extension board (42), extension movable chute (412) and extension movable block (421) cooperate.

5. An armrest structure for office chairs according to claim 1, wherein: slider main part (51) are the loop configuration, all be equipped with spring fixing tenon (55) on slider main part (51) inside relative both sides, two spring fixing tenon (55) are fixed with and are used for assisting compression spring (56) that elasticity slider (5) compress to kick-back.

6. An office chair armrest structure according to claim 1, wherein: the downside of screens (111) is first inclined plane structure (112) of inside tilt up, the lower part of high fixture block (53) is second inclined plane structure (531), the incline direction of second inclined plane structure (531) is unanimous with the incline direction of first inclined plane structure (112), when high fixture block (53) joint is in screens (111), second inclined plane structure (531) and first inclined plane structure (112) contact each other.

Images