CN218832362U

CN218832362U - Adjustable armrest of office chair

Info

Publication number: CN218832362U
Application number: CN202223066549.XU
Authority: CN
Inventors: 刘艳新
Original assignee: Guangdong Hechuang Youpin Hardware Technology Co ltd
Current assignee: Guangdong Hechuang Youpin Hardware Technology Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-04-11
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses an office chair adjusting type armrest, which relates to the technical field of chair armrests and comprises an armrest supporting plate, wherein the inner wall of the armrest supporting plate is provided with a rectangular groove which is convenient for the sliding connection of a guide fixing plate, the guide fixing plate is welded with four guide posts, the outer side of each guide post is sleeved with a spring, the four guide posts are provided with rack plates, the rack plates are provided with four circular holes, and the four circular holes are sleeved on the corresponding guide posts; when the staff adjusted oneself position more comfortable, under the effect of four springs, the spring upwards pushed up the rack board, meshed the rack board again and connects on two racks, and at this moment, the handrail no longer rocked, when staff normal use, can not take place to remove, only just can adjust when pressing, can adjust the position around the handrail according to different staff's custom mode, has promoted seat armrest's multifunctionality.

Description

Adjustable armrest of office chair

Technical Field

The utility model particularly relates to a seat armrest technical field specifically is an office seat adjusts formula handrail.

Background

The existing chair armrest generally cannot be adjusted horizontally and vertically, and the armrest with fixed height brings inconvenience to users in the using process; in the process of using the seat, people have different requirements on comfort levels due to different conditions, and in order to adapt to the use habits of each person, different seats are required to be matched, so that the economic cost is increased; the traditional technology improves the appearance of the handrail, so that the placing position of the arm can be more comfortable, and the technology has the defect that the horizontal and vertical heights of the handrail cannot be adjusted; it can be seen that conventional seat armrests have a number of significant disadvantages.

The Chinese utility model publication No. CN 208491378U discloses a multifunctional chair armrest structure, which comprises a bracket, an outer cover, a pull hook, an adjusting handle and a panel; the upper end of the bracket is provided with an accommodating space, and the accommodating space is provided with a plurality of first clamping positions which are vertically arranged; the outer cover can be sleeved outside the bracket in a vertically movable manner; the adjusting handle is movably arranged in the outer cover up and down, a switch spring for promoting the adjusting handle to reset is arranged aiming at the adjusting handle, and the lower end of the adjusting handle is connected with the lower end of the pull hook and drives the pull hook to swing laterally; the panel is connected with the outer cover through a connecting piece, and the upper end of the pull hook is hinged with the connecting piece;

according to the multifunctional chair armrest structure, when the multifunctional chair armrest structure is used, the armrest can only be adjusted up and down, and the armrest also needs to be adjusted back and forth due to different sitting postures and habits of everyone, so that the riding comfort of more people is improved, when a worker does not want to use the armrest, the armrest can only be detached and cannot be folded, and certain defects exist in multifunctional use of the armrest; therefore, the adjustable armrest of the office chair is provided to solve the problems, the position of the armrest can be adjusted up and down, meanwhile, the armrest can be adjusted forwards and backwards, and when the armrest is not needed to be used, the armrest can be folded and stored, so that the armrest has more adjusting functions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an office chair adjusts formula handrail to solve the problem that proposes in the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

an adjustable armrest of an office chair comprises an armrest supporting plate, wherein a rectangular groove which is convenient for a guide fixing plate to be in sliding connection is formed in the inner wall of the armrest supporting plate, four guide columns are welded on the guide fixing plate, a spring is sleeved on the outer side of each guide column, a rack plate is arranged on each of the four guide columns, four circular holes are formed in the rack plate and sleeved on the corresponding guide column, a rack is welded on each of the two sides of the armrest supporting plate respectively, and the two racks are meshed with the rack plate;

the one end welding that the direction fixed plate is close to the handrail backup pad have the separation block, the rack board on be connected with the handrail board, handrail board one end laminating connect on the separation block.

As a further technical scheme of the utility model, the bottom welding of handrail backup pad have the solid fixed ring of handrail, the solid fixed ring of handrail pass through plum blossom handle bolt and connect on the handrail go-between.

As a further technical proposal of the utility model, the handrail connecting ring is welded on the supporting sleeve, and the inner side of the supporting sleeve is hollow; and the outside is equipped with the arc wall, and this support sleeve's bottom has cup jointed the rubber cutting ferrule, the rubber cutting ferrule connect with the locking subassembly, the locking subassembly cup joint on the bracing piece, the bracing piece outside be equipped with the arc wall.

As a further technical scheme of the utility model, the locking subassembly include the cutting ferrule, the cutting ferrule on seted up the rectangle mouth, and be connected with the support horizontal pole in the rectangle mouth, the outside cover of support horizontal pole have rotatory locking to detain, rotatory locking detain and support cup jointing of horizontal pole be eccentric settings, rotatory locking detain one side and be connected with the stirring board.

As a further technical scheme of the utility model, the bottom welding of bracing piece have the solid fixed ring of bracing piece, the solid fixed ring of bracing piece be connected with the cooperation of seat skeleton through plum blossom handle bolt two.

As a further technical scheme of the utility model, the outer wall diameter of bracing piece the same with supporting sleeve's inner wall diameter.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, when the staff adjusted oneself more comfortable position, unclamped the handrail board, under the effect of four springs, the spring pushed up the rack board, joggled the rack board again and connect on two racks, at this moment, the handrail no longer rocked, when the staff normally used, can not take place to remove, only can adjust when pressing, can adjust the position around the handrail according to different staff's custom modes, promoted the multifunctionality of seat handrail;

2. the utility model discloses, when the staff adjusted the handrail upper and lower position, open the locking subassembly, press down the activity and lift up and draw the handrail board downwards, control the height of support sleeve, after the staff adjusted comfortable position, close the locking subassembly, when packing up the handrail, then open the locking subassembly, cup joint the support sleeve completely the bracing piece, be the shortest length and pack up, provide convenience to the staff to the upper and lower position adjustment and the handrail folding of handrail;

3. the utility model discloses, seat skeleton is connected through two cooperations of plum blossom handle bolt to solid fixed ring bottom of bracing piece for the subassembly of bracing piece and top plays and supports stabilizing effect, and when the staff was to packing up the handrail, not hard up plum blossom handle bolt two made the solid fixed ring of support be connected with the seat skeleton not hard up, and the pivoted support pole is rotatory to being parallel with the seat skeleton with the bracing piece again, accomplishes the folding to the bracing piece.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a front view of fig. 1 of the present invention.

Fig. 3 is a left side view of fig. 1 in the present invention.

Fig. 4 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 3 according to the present invention.

Fig. 5 is a schematic view of a partial structure of fig. 1 in the present invention.

Fig. 6 is a partial enlarged view of the position B in fig. 5.

In the figure: 1-a support rod fixing ring, 2-a plum blossom handle bolt II, 3-a support rod, 4-a locking assembly, 5-a rubber clamping sleeve, 6-a support sleeve, 7-an armrest connecting ring, 8-an armrest fixing ring, 9-a plum blossom handle bolt I, 10-an armrest support plate, 11-a guide fixing plate, 12-a rack, 13-a guide column, 14-a spring, 15-an armrest plate, 16-a rack plate, 17-a blocking plate, 41-a clamping sleeve, 42-a rotary locking buckle, 43-a support cross rod and 44-a poking plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

Referring to fig. 1-6, in an embodiment of the present invention, an adjustable armrest for office chairs includes an armrest supporting plate 10, a rectangular groove for facilitating sliding connection of a guide fixing plate 11 is formed on an inner wall of the armrest supporting plate 10, four guide posts 13 are welded on the guide fixing plate 11, a spring 14 is sleeved on an outer side of each guide post 13, a rack plate 16 is arranged on the four guide posts 13, four circular holes are formed on the rack plate 16, the four circular holes are sleeved on the corresponding guide posts 13, a rack 12 is welded on each of two sides of the armrest supporting plate 10, and the two racks 12 are engaged with the rack plate 16;

the one end welding that direction fixed plate 11 is close to handrail backup pad 10 have the separation block 17, rack plate 16 on be connected with handrail board 15, handrail board 15 one end connect the laminating on separation block 17.

Through adopting above-mentioned technical scheme, the staff is when using, adjust the handrail position, through pressing down handrail board 15 hard, handrail board 15 will drive rack plate 16 and move down along guide post 13, rack plate 16 pressure spring, make rack plate 16 and the separation of the rack 12 that the meshing is connected, handrail board 15 can drive rack plate 16 and move this moment, guide fixed plate 11 slides in the rectangular channel of handrail backup pad 10, when the staff adjusts oneself more comfortable position, loosen handrail board 15, under the effect of four springs 14, the spring pushes up rack plate 16, connect rack plate 16 meshing again on two racks 12, at this moment, the handrail no longer rocks, when staff normal use, can not take place to remove, only just can adjust when pressing, can adjust the position around the handrail according to different staff's custom mode, the multifunctionality of seat handrail has been promoted.

In this embodiment, the bottom of the handrail support plate 10 is welded with a handrail fixing ring 8, and the handrail fixing ring 8 is connected to the handrail connecting ring 7 through a plum blossom handle bolt 9.

Through adopting above-mentioned technical scheme, when folding the handrail, through twisting plum blossom handle spiral one 9, can become flexible with the solid fixed ring of handrail 8 and handrail go-between 7, rotatory handrail backup pad 10, the arc wall laminating of handrail backup pad 10 bottom is on support sleeve 6, makes the folding back occupation space of handrail not.

In this embodiment, the handrail connecting ring 7 is welded on the support sleeve 6, and the inner side of the support sleeve 6 is hollow; and the outside is equipped with the arc wall, and rubber cutting ferrule 5 has been cup jointed to this support sleeve 6's bottom, rubber cutting ferrule 5 be connected with locking subassembly 4, locking subassembly 4 cup joint on

bracing piece

3, 3 outsides of bracing piece be equipped with the arc wall.

Through adopting the above technical scheme, locking subassembly 4 that rubber cutting ferrule 5 is connected can be connected support sleeve 6 and bracing piece 3 on a straight line, when opening locking subassembly 4, bracing piece 6 can be contracted into inside support sleeve 6, when the staff adjusts the handrail position from top to bottom, open locking subassembly 4, press down to live and carry and pull handrail board 15, control the height of support sleeve 6, after the staff adjusts comfortable position, close locking subassembly 4, when packing up the handrail, then open locking subassembly 4, cup joint bracing piece 3 completely with support sleeve 6, it packs up to be shortest length, it provides convenience to the staff to the upper and lower position control and the handrail folding of handrail.

In this embodiment, the locking assembly 4 includes a sleeve 41, the sleeve 41 has a rectangular opening, a supporting cross rod 43 is connected in the rectangular opening, a rotary locking buckle 42 is sleeved on the outer side of the supporting cross rod 43, the rotary locking buckle 42 and the supporting cross rod 43 are eccentrically arranged in a sleeved manner, and a toggle plate 44 is connected to one side of the rotary locking buckle 42.

Through adopting above-mentioned technical scheme, because rotatory locking detain 42 is eccentric settings with cup jointing that supports horizontal pole 43, when adjusting the upper and lower position of handrail, press the setting aside board 44 for the rotatory locking detain 42 on laminating support cover bracing piece 3 breaks away from, when adjusting the position, presses the setting aside board 44 to opposite direction, makes rotatory locking detain 42 joint on the arc wall of bracing piece 3.

In this embodiment, the bottom welding of bracing piece 3 have the solid fixed ring of bracing piece 1, the solid fixed ring of bracing piece 1 be connected with the cooperation of seat skeleton through plum blossom handle bolt two 2.

Through adopting above-mentioned technical scheme, seat skeleton is connected through two 2 cooperation of plum blossom handle bolt in the solid fixed ring 1 bottom of bracing piece for the subassembly of bracing piece 3 and top plays and supports stabilizing effect, when the staff to packing up the handrail, not hard up plum blossom handle bolt two 2 makes the solid fixed ring 1 of support not hard up with being connected of seat skeleton, and the bracing piece 3 of rotation is again rotatory to being parallel with the seat skeleton with bracing piece 3, accomplishes the folding to bracing piece 3.

In this embodiment, the diameter of the outer wall of the support rod 3 is the same as the diameter of the inner wall of the support sleeve 6.

Through adopting above-mentioned technical scheme, the inner wall of support sleeve 6 and the outer wall laminating of bracing piece 3 have guaranteed the stability to the top support, can not take place to rock.

The utility model discloses a theory of operation is: when the armrest is used, the armrest position is adjusted, the rack plate 16 is driven to move downwards along the guide post 13 by pressing the armrest plate 15 with force, the rack plate 16 compresses the spring, the rack plate 16 is separated from the rack 12 connected with the engaged rack, at the moment, the rack plate 15 can drive the rack plate 16 to move, the guide fixing plate 11 slides in the rectangular groove of the armrest supporting plate 10, when a worker adjusts the position which is comfortable, the armrest plate 15 is loosened, the rack plate 16 is pushed upwards by the spring under the action of the four springs 14, the rack plate 16 is re-engaged and connected with the two racks 12, at the moment, the armrest does not shake any more, when the worker normally uses the armrest, the armrest cannot move, the armrest can be adjusted only when being pressed, the positions of the front and the rear of the armrest can be adjusted according to the habit modes of different workers, and the versatility of the seat armrest is improved; the supporting sleeve 6 and the supporting rod 3 can be connected on the same straight line through the locking assembly 4 connected with the rubber clamping sleeve 5, when the locking assembly 4 is opened, the supporting rod 6 can be retracted into the supporting sleeve 6, when the upper position and the lower position of the handrail are adjusted by a worker, the locking assembly 4 is opened, the handrail plate 15 is pressed downwards and lifted upwards to control the height of the supporting sleeve 6, and when the worker adjusts the comfortable position, the locking assembly 4 is closed to complete the adjustment of the upper position and the lower position; when the staff is to packing up the handrail, through twisting plum blossom handle spiral shell 9, can be not hard up solid fixed ring 8 of handrail and handrail go-between 7, rotatory handrail backup pad 10, the arc wall laminating of handrail backup pad 10 bottom is on support sleeve 6, make the handrail folding occupation space not, open locking subassembly 4, cup joint bracing piece 3 completely with support sleeve 6, it packs up to be the shortest length, it is folding convenient to provide the handrail, not hard up plum blossom handle bolt two 2, make the solid fixed ring 1 of supporting be connected with the seat skeleton not hard up, rotatory bracing piece 3 again, it is parallel to being parallel with the seat skeleton to rotate bracing piece 3, accomplish the folding to bracing piece 3, at this moment, the laminating of handrail backup pad 10 is in the outside of support sleeve 6, support sleeve 6 is folding back to be parallel with the seat skeleton, the handrail that is the state of packing up is no longer intervene staff's use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an office chair adjusts formula handrail which characterized in that: the handrail fixing device comprises a handrail supporting plate (10), wherein a rectangular groove convenient for sliding connection of a guide fixing plate (11) is formed in the inner wall of the handrail supporting plate (10), four guide columns (13) are welded on the guide fixing plate (11), a spring (14) is sleeved on the outer side of each guide column (13), a rack plate (16) is arranged on each of the four guide columns (13), four circular holes are formed in each rack plate (16) and are sleeved on the corresponding guide column (13), racks (12) are welded on two sides of the handrail supporting plate (10) respectively, and the two racks (12) are meshed with the rack plates (16);

the guide fixing plate (11) is welded at one end close to the handrail supporting plate (10) and is provided with a blocking block (17), the rack plate (16) is connected with a handrail plate (15), and one end of the handrail plate (15) is attached to the blocking block (17).

2. An adjustable office chair armrest according to claim 1 and wherein: the bottom welding of handrail backup pad (10) have the solid fixed ring of handrail (8), the solid fixed ring of handrail (8) connect on handrail go-between (7) through plum blossom handle bolt (9).

3. An office chair adjustable armrest according to claim 2 and wherein: the handrail connecting ring (7) is welded on the support sleeve (6), and the inner side of the support sleeve (6) is hollow; and the outside is equipped with the arc wall, and rubber cutting ferrule (5) have been cup jointed to the bottom of this support sleeve (6), rubber cutting ferrule (5) be connected with locking subassembly (4), locking subassembly (4) cup joint on bracing piece (3), bracing piece (3) outside be equipped with the arc wall.

4. An office seat adjustable armrest according to claim 3 wherein: locking subassembly (4) including cutting ferrule (41), cutting ferrule (41) on seted up the rectangle mouth, and be connected with in the rectangle mouth and support horizontal pole (43), the outside cover of support horizontal pole (43) have rotatory locking buckle (42), rotatory locking buckle (42) and the cup jointing of supporting horizontal pole (43) be eccentric settings, rotatory locking buckle (42) one side be connected with stir board (44).

5. An office seat adjustable armrest according to claim 3 wherein: the bottom welding of bracing piece (3) have the solid fixed ring of bracing piece (1), the solid fixed ring of bracing piece (1) be connected with the cooperation of seat skeleton through plum blossom handle bolt two (2).

6. An adjustable office chair armrest according to claim 5 and wherein: the diameter of the outer wall of the support rod (3) is the same as that of the inner wall of the support sleeve (6).