CN213664479U - Applicable chair - Google Patents

Abstract

The application relates to the field of office furniture, in particular to a suitable seat, which comprises a seat and a backrest frame, wherein a bearing plate is arranged on the seat, sliding strips are arranged on two opposite sides of the seat, racks are arranged on two opposite sides of the bearing plate, the sliding strips are rotatably supported with gears, the gears are meshed with the racks, and a control assembly for limiting whether the gears rotate or not is arranged on one of the sliding strips; this application has the length of being convenient for adjust the seat support so that the effect that the people that the stature is great or the longer people of leg sat and lean on.

Description

Applicable chair

Technical Field

The application relates to the field of office furniture, in particular to a suitable seat.

Background

With the development of society, people are busy working, and in a nervous life rhythm, the people usually neglect the maintenance of the body and pass through the health in advance, and particularly, the people are mostly deformed and painful in lumbar vertebrae in a working group with a long-time sitting bow and back.

At present, a chair in the related art generally includes a seat and a backrest frame, wherein a cushion is disposed on the seat for a person to sit on, and the backrest frame is used for a person to lean against.

With respect to the related art in the above, the inventors consider that: the chair is suitable for people with middle-size frameworks to sit and lean against, and when some people with higher sizes or people with longer legs sit and lean against, the chair seat is not long enough and is inconvenient to sit and lean against, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the length of adjusting the seat support so that the person of bigger stature or the person with longer legs sit and lean on, this application provides a suitable type seat.

The application provides a suitable type seat adopts following technical scheme:

a suitable chair comprises a chair seat and a backrest frame, wherein a bearing plate is arranged on the chair seat, sliding strips are arranged on two opposite sides of the chair seat, racks are arranged on two opposite sides of the bearing plate, a gear is rotatably carried by the sliding strips, the gear is meshed with the racks, and a control assembly used for limiting whether the gear rotates or not is arranged on one of the sliding strips.

Through adopting above-mentioned technical scheme, when needs adjust that the loading board moves forward or the lapse, become can the rotation state through control assembly control gear, the loading board that slides around this moment can, after sliding finishes, through control assembly restriction gear revolve, realize the relatively fixed between loading board and the seat support to the realization is convenient for adjust the length of seat support so that the comparatively tall and big people of stature or the longer people of leg sit and lean on.

Optionally, the control assembly includes a locking groove formed in the sliding strip and a push rod sliding in the locking groove, a clamping block used for being clamped in the tooth groove of the gear is fixedly arranged at one end of the push rod, and the sliding strip extends out of one end of the push rod in a penetrating manner.

Through adopting above-mentioned technical scheme, the user stimulates the push rod to run through the one end that extends the strip that slides and can unblock the block and the block of gear, and when need not to slide the loading board or the loading board that slides finishes the back, promote the push rod and make block and gear teeth inslot to realize the restriction gear rotation.

Optionally, a spring is sleeved on the push rod and arranged between the clamping block and the groove wall of the locking groove.

Through adopting above-mentioned technical scheme, need not to slide and bear the weight of the version or slide the back that the loading board finishes, the spring plays and supports tight effect and reset action.

Optionally, a pull handle is fixedly arranged at one end of the push rod, which is far away from the clamping block.

Through adopting above-mentioned technical scheme, the pull handle convenience of customers pulling push rod.

Optionally, a stop block is arranged at one end of the rack close to the backrest frame.

Through adopting above-mentioned technical scheme, the dog can prevent that the user from sliding the loading board excessively.

Optionally, a cushion is arranged on the bearing plate.

Through adopting above-mentioned technical scheme, the cushion is used for supplying the user to fill up the seat to improve user's comfort level.

Optionally, the opposite sides of the seat are provided with armrests.

Through adopting above-mentioned technical scheme, the handrail facilitates the user and supports, plays the guard action to the user simultaneously.

Optionally, a headrest cushion is arranged at the top of the backrest frame.

Through adopting above-mentioned technical scheme, the headrest is used for supplying user's head to lean on to reduce user's neck strain.

In summary, the present application includes at least one of the following beneficial technical effects:

when the bearing plate needs to be adjusted to move forwards or backwards, the gear is controlled to be in a rotatable state through the control assembly, the bearing plate can slide forwards and backwards, after sliding is finished, the gear is limited to rotate through the control assembly, relative fixation between the bearing plate and the seat is achieved, and therefore the length of the seat can be conveniently adjusted so that a person with a tall figure or a person with a long leg can sit and lean against the seat;

the spring plays a role in resisting and resetting after the bearing plate does not need to slide or is completely slid;

the dog can prevent that the user from sliding the loading board excessively.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the structure of fig. 1 from another view angle.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Description of reference numerals: 1. a chair seat; 101. a four-legged support frame; 102. a seat plate; 2. a backrest frame; 3. a pulley; 4. a cushion; 5. a handrail; 6. a headrest pad; 7. a carrier plate; 8. a sliding strip; 801. vertical bars; 802. a horizontal bar; 9. a rack; 10. a gear; 11. a locking groove; 12. a push rod; 13. pulling a handle; 14. a clamping block; 15. an inclined surface; 16. a stopper; 17. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses can alleviate seat of lumbar disc herniation, refer to fig. 1, including seat support 1 and back frame 2, seat support 1 includes four foot support 101 and installs the bedplate 102 at four foot support 101 tops, four pulleys 3 are installed so that remove to four foot support 101 bottoms, back frame 2 fixed mounting is in one side of seat support 1, handrail 5 is all installed to the relative both sides of seat support 1, handrail 5 is located the relative both sides of back frame 2, the contained angle of bedplate 102 and back frame 2 is about 100 ~110, back frame 2 top is close to one side of seat support 1 and installs headrest pad 6, sit on the seat as the user, the back is leaned on back frame 2, the head is leaned on headrest pad 6, both hands can be leaned on in two handrail 5.

Referring to fig. 1 and 2, a chair seat 1 is provided with a bearing plate 7, specifically, the bearing plate 7 is integrally rectangular plate-shaped, a cushion 4 is installed on the upper surface of the bearing plate 7, two opposite sides of the chair seat 1 are fixedly provided with sliding strips 8, the two sliding strips 8 are parallel to each other, the sliding strips 8 extend from the position close to the backrest frame 2 to the position far away from the backrest frame 2, each sliding strip 8 comprises a vertical strip 801 and a horizontal strip 802, the horizontal strips 802 and the vertical strips 801 are perpendicular to each other, the sides, far away from each other, of the two horizontal strips 802 are fixedly connected with the tops of the two vertical strips 801 respectively, the bottom of the vertical strip 801 is fixedly connected with the top of the chair seat 1, two opposite sides of the bearing plate 7 are fixedly connected with racks 9, the length direction of the racks 9 is consistent with the length direction of the sliding strips 8, the teeth of the two racks 9 are located on the opposite sides of the two racks 9, the rack 9 is located at one end of the horizontal bar 802 far away from the backrest frame 2, and a control component for limiting whether the gear 10 rotates or not is arranged on one sliding bar 8.

Referring to fig. 2 and 3, the control assembly includes a locking groove 11 formed on the bar 802, and a push rod 12 sliding in the locking groove 11, the locking groove 11 is formed beside the gear 10, one side of the locking groove 11 close to the gear 10 is opened, the push rod 12 extends from the side close to the gear 10 toward the side away from the gear 10, one end of the push rod 12 away from the gear 10 penetrates through the sliding bar 8 and is fixedly connected with a pull handle 13 for being pulled by a user, one end of the push rod 12 close to the gear 10 is fixedly provided with a latch 14 for being latched in a tooth groove of the gear 10, one side of the latch 14 close to the backrest frame 2 (refer to fig. 1) is provided with an inclined surface 15, the inclined surface 15 faces away from the gear 10 toward the side away from the gear 10 and inclines from the backrest frame 2 toward the backrest frame 2, the inclined surface 15 is arranged such that the user does not need to pull the push, the push rod 12 is sleeved with a spring 17, the spring 17 is arranged between the clamping block 14 and the groove wall of the locking groove 11, when an operator pulls the push rod 12, the spring 17 is in a compression state, and the spring 17 plays a role in abutting and resetting.

In addition, a stop 16 is fixedly installed at one end of the rack 9 close to the backrest frame 2, and when the rack 9 is displaced too much, the stop 16 abuts against the gear 10, so that the situation that the bearing plate 7 is separated from the seat 1 due to the fact that a user slides the bearing plate 7 excessively can be prevented.

The application principle of an applicable seat in the embodiment of the application is as follows: when needs adjust loading board 7 antedisplacement or lapse, the pulling push rod 12 runs through the one end that extends slip strip 8 and can unblock the block 14 and the block of gear 10, loading board 7 that can slide around this moment, after need not to slide loading board 7 or the loading board 7 that slides finishes, loosen push rod 12, block 14 is in the tooth's socket of gear 10 of card again under spring 17's reset action, thereby restriction gear 10 rotates, realize the relatively fixed between loading board 7 and the seat support 1, thereby realize being convenient for adjust the length of seat support 1 so that the comparatively tall and big people of stature or the longer people of leg are sat and are leaned on.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a suitable type seat, includes seat support (1) and back frame (2), its characterized in that, be provided with loading board (7) on seat support (1), the relative both sides of seat support (1) all are provided with slide bar (8), the relative both sides of loading board (7) are provided with rack (9), slide bar (8) rotate and bear the weight of gear (10), gear (10) with rack (9) meshing, one of them be provided with on slide bar (8) and be used for restricting whether gear (10) rotate the control assembly.

2. The seat of claim 1, wherein the control assembly comprises a locking groove (11) formed in the sliding bar (8) and a push rod (12) sliding in the locking groove (11), a clamping block (14) used for clamping in a tooth groove of the gear (10) is fixedly arranged at one end of the push rod (12), and one end of the push rod (12) extends out of the sliding bar (8) in a penetrating manner.

3. A seat suitable for use according to claim 2, wherein said push rod (12) is sleeved with a spring (17), said spring (17) is disposed between said latch (14) and a wall of said locking groove (11).

4. A seat suitable for use according to claim 2, wherein a pull handle (13) is fixed to an end of the push rod (12) remote from the latch (14).

5. A seat adapted for use according to claim 1, wherein the rack (9) is provided with a stop (16) at an end thereof adjacent the backrest frame (2).

6. A seat arrangement according to claim 1, characterised in that a seat cushion (4) is arranged on the carrier plate (7).

7. A chair of the utility type according to claim 1, characterized in that the seat (1) is provided with armrests (5) on opposite sides.

8. A seat adapted for use according to claim 1, wherein a headrest (6) is provided on top of the backrest frame (2).

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