CN216059880U

CN216059880U - Automatic backstroke armchair

Info

Publication number: CN216059880U
Application number: CN202122080581.2U
Authority: CN
Inventors: 张宜荣
Original assignee: Fujian Kangbailong Smart Home Co ltd
Current assignee: Fujian Kangbailong Smart Home Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-18
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses an automatic backstroke-prevention armchair which comprises a supporting plate, wherein a drawer is slidably connected to the right side of the supporting plate, a pull rod is fixedly connected to one side of the drawer, a backstroke adjusting mechanism is arranged on the right part of the upper end face of the supporting plate, handles are fixedly connected to the right part of the supporting plate and positioned on two sides of the drawer, and armrests are fixedly connected to the upper end face of the supporting plate. The automatic backstroke armchair solves the problem that the angle of the backrest of the chair is inconvenient to adjust according to the requirements of users in the existing chair.

Description

Automatic backstroke armchair

Technical Field

The utility model relates to the technical field of armchairs, in particular to an automatic backward-leaning type armchair.

Background

The chair is a daily life furniture, but present chair back of the chair mostly is fixed type structure, can not adjust the inclination of the back of the chair according to user's demand, and the adjusting device that the back of the chair angle can be adjusted to the part often all sets up in the cushion below, and it is very inconvenient to use. In view of this, we propose an automatic reclining armchair.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an automatic backstroke armchair which solves the problem that the angle of a backrest of an existing chair is inconvenient to adjust according to the needs of a user.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides an automatic backstroke armchair, includes the backup pad, backup pad right side sliding connection has the drawer, drawer one side fixedly connected with pull rod, backup pad up end right part is provided with the adjusting mechanism that leans on backward, the backup pad right part just is located the equal fixedly connected with handle in drawer both sides, backup pad up end fixedly connected with handrail.

Preferably, the left part of the lower end face of the supporting plate is rotatably connected with a front supporting leg, and the right part of the lower end face of the supporting plate is rotatably connected with a rear supporting leg through a connecting rod.

Preferably, the middle part of the outer surface of the connecting rod is fixedly connected with a worm wheel, the outer surface of the worm wheel is meshed with a worm, one end of the worm is fixedly connected with a knob, and two ends of the worm are rotatably connected with the supporting plate.

Preferably, the adjusting mechanism that leans back backward includes the back of the chair, dwang, first gear, torsional spring, gear belt, second gear, spacing wheel, stopper, gag lever post, spacing spring, third gear, running-board, accomodates the groove, back of the chair one end fixedly connected with dwang, the equal first gear of fixedly connected with in dwang both ends, first gear one side is through torsional spring and backup pad fixed connection.

Preferably, the first gear surface is connected with the second gear through the gear area rotation, the spacing wheel of second gear one side fixedly connected with, spacing wheel one side has the stopper through spacing groove sliding connection, stopper one side fixedly connected with gag lever post, gag lever post surface upper portion and handrail sliding connection, handrail inner chamber upper portion fixedly connected with limit spring, limit spring one end and gag lever post fixed connection, second gear both sides middle part is connected through pivot and backup pad inner chamber rotation.

Preferably, the outer surface of the second gear is rotatably connected with a third gear through a gear belt, one side of the third gear is fixedly connected with a pedal plate, the outer surface of the pedal plate is slidably connected with a containing groove, and the left part of the lower end face of the supporting plate is provided with the containing groove.

(III) advantageous effects

The utility model provides an automatic backstroke armchair. The method has the following beneficial effects:

(1) this automatic backstroke armchair, knob through worm one end fixed connection, during the use, can open back supporting leg through the rotating knob, support subaerially with preceding supporting leg after that, alright with the use, when can needing to carry the chair out camping, can rotate preceding supporting leg earlier, and accomodate the backup pad bottom with it, it rotates to rotate the knob after that, the worm drives the worm and rotates, the worm passes through the worm wheel and drives the connecting rod and rotate, the connecting rod is accomodate back supporting leg through rotating, and make back supporting leg support to press preceding supporting leg, utilize the auto-lock ability of worm wheel and worm simultaneously to make back supporting leg fixed can not break away from, and then accomplished folding device's purpose, furthermore, some article can also be accomodate to backup pad inner chamber sliding connection's drawer and be convenient for seek.

(2) The automatic backstroke armchair is characterized in that a rotating rod is fixedly connected with one end of a chair back, when a user needs to adjust the angle of the chair back, the user only needs to sit on a supporting plate, meanwhile, two hands press a limiting rod which is connected with a handrail in a sliding mode to move downwards, so that the limiting block is driven to move downwards to separate from a limiting wheel, then the chair back is extruded backwards with force, when the proper angle is reached, the limiting rod is loosened, under the action of a limiting spring, the limiting rod resets, the limiting block is further sent into the limiting wheel, so that the chair back can be adjusted to the needed angle, meanwhile, the chair back can drive a first gear to rotate when rotating, the first gear drives a third gear to rotate through a gear belt and a pedal plate to rotate, when the chair back reaches the proper angle, the pedal plate can also move to the proper angle, and the user can conveniently pause, in addition, when the angle of the chair back needs to be adjusted forwards, the limiting rod is pressed first to relieve the limiting block and the limiting wheel from limiting each other, and then the chair back moves forwards under the action of the torsion spring, so that the purpose of adjusting the chair back forwards and backwards is achieved.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of a half-section structure of the present invention;

FIG. 4 is an enlarged view of the area A in FIG. 3;

FIG. 5 is an enlarged view of the area B in FIG. 3;

FIG. 6 is a schematic side sectional view of the present invention;

fig. 7 is an enlarged structure diagram of the region C in fig. 6.

In the figure: 1. a support plate; 2. a drawer; 3. a pull rod; 4. a handle; 5. a reclining adjustment mechanism; 51. a chair back; 52. rotating the rod; 53. a first gear; 54. a torsion spring; 55. a gear belt; 56. a second gear; 57. A limiting wheel; 58. a limiting block; 59. a limiting rod; 510. a limiting spring; 511. a third gear; 512. A foot pedal; 513. a receiving groove; 6. a handrail; 7. a front support leg; 8. a rear supporting leg; 9. a connecting rod; 10. a worm gear; 11. a worm; 12. a knob.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution:

the first embodiment is as follows: the utility model provides an automatic backstroke armchair, including backup pad 1, 1 right side sliding connection in backup pad has

drawer

2, 2 one side fixedly connected with pull rod 3 of drawer, 1 up end right part in backup pad is provided with backstroke adjustment mechanism 5, 1 right part in backup pad just is located the equal fixedly connected with handle 4 in 2 both sides of drawer, 1 up end fixedly connected with handrail 6 in backup pad, 1 lower terminal surface left part in backup pad rotates and is connected with preceding supporting leg 7, 1 lower terminal surface right part in backup pad rotates through connecting rod 9 and is connected with back supporting leg 8, connecting rod 9 surface middle part fixedly connected with worm wheel 10, worm wheel 10 surface toothing has

worm

11, 11 one end fixedly connected with knob 12 of worm, 11 both ends of worm rotate with backup pad 1 and are connected. Because worm 11 one end fixedly connected with knob 12, during the use, can open back supporting leg 8 through rotating knob 12, support preceding supporting leg 7 subaerially after that, alright with the use, when can need to carry the chair out camping, can rotate preceding supporting leg 7 earlier, and accomodate 1 bottom in the backup pad with it, it rotates to rotate knob 12 and drive worm 11 after that, worm 11 drives connecting rod 9 through worm wheel 10 and rotates, connecting rod 9 is accomodate back supporting leg 8 through rotating, and make back supporting leg 8 support and press preceding supporting leg 7, utilize worm wheel 10 and worm 11's auto-lock ability to make back supporting leg 8 fixed can not break away from simultaneously, and then accomplished folding device's purpose, in addition, some article can also be accomodate to the drawer 2 of 1 inner chamber sliding connection of backup pad are convenient for seek.

Second embodiment the difference between the first embodiment and the second embodiment is that the reclining adjusting mechanism 5 includes a seat back 51, a rotating rod 52, a first gear 53, a torsion spring 54, a gear belt 55, a second gear 56, a limiting wheel 57, a limiting block 58, a limiting rod 59, a limiting spring 510, a third gear 511, a pedal plate 512, and a storage groove 513, wherein one end of the seat back 51 is fixedly connected with the rotating rod 52, two ends of the rotating rod 52 are fixedly connected with the first gear 53, one side of the first gear 53 is fixedly connected with the support plate 1 through the torsion spring 54, the outer surface of the first gear 53 is rotatably connected with the second gear 56 through the gear belt 55, one side of the second gear 56 is fixedly connected with the limiting wheel 57, one side of the limiting wheel 57 is slidably connected with the limiting block 58 through the limiting groove, one side of the limiting block 58 is fixedly connected with the limiting rod 59, the upper portion of the outer surface of the limiting rod 59 is slidably connected with the armrest 6, the upper portion of the inner cavity of the armrest 6 is fixedly connected with the limiting spring 510, spacing spring 510 one end and gag lever post 59 fixed connection, second gear 56 both sides middle part is connected through pivot and backup pad 1 inner chamber rotation, and second gear 56 surface rotates through gear belt 55 to be connected with third gear 511, third gear 511 one side fixed connection running-board 512, and running-board 512 surface sliding connection has the groove of accomodating 513, and backup pad 1 lower extreme face left part is provided with the groove of accomodating 513. Because one end of the chair back 51 is fixedly connected with the rotating rod 52, when a user needs to adjust the angle of the chair back 51, the user only needs to sit on the supporting plate 1, meanwhile, two hands press the limiting rod 59 which is slidably connected with the armrest 6 to move downwards, so as to drive the limiting block 58 to move downwards to separate from the limiting wheel 57, then the back presses the chair back 51 with force backwards, when the proper angle is reached, the limiting rod 59 is loosened, under the action of the limiting spring 510, the limiting rod 59 resets, so as to send the limiting block 58 into the limiting wheel 57, so that the chair back 51 can be adjusted to the required angle, meanwhile, the chair back 51 can drive the first gear 53 to rotate when rotating, the first gear 53 drives the third gear 511 to rotate through the gear belt 55 and the second gear 56, the third gear 511 drives the pedal 512 to rotate, when the chair back 51 reaches the proper angle, the pedal 512 can also stop moving to the proper angle, so that the user can conveniently rest, in addition, when the angle of the chair back needs to be adjusted forwards, the limiting rod 59 is pressed to release the mutual limiting of the limiting block 58 and the limiting wheel 57, and then the chair back 51 moves forwards under the action of the torsion spring 54, so that the purpose that the chair back 51 can be adjusted forwards and backwards is achieved.

When the folding device is used, the rear supporting leg 8 can be opened by rotating the knob 12, then the front supporting leg 7 is supported on the ground, the folding device can be used, when a chair needs to be carried for camping, the front supporting leg 7 can be rotated firstly and is accommodated at the bottom of the supporting plate 1, then the knob 12 is rotated to drive the worm 11 to rotate, the worm 11 drives the connecting rod 9 to rotate through the worm wheel 10, the connecting rod 9 accommodates the rear supporting leg 8 through rotating, the rear supporting leg 8 is enabled to be pressed against the front supporting leg 7, meanwhile, the rear supporting leg 8 is fixed and cannot be separated by utilizing the self-locking capacity of the worm wheel 10 and the worm 11, and the purpose of the folding device is further completed, in addition, the drawer 2 which is connected with the inner cavity of the supporting plate 1 in a sliding way can also accommodate some articles for being convenient to search, because one end of the chair back 51 is fixedly connected with the rotating rod 52, when a user needs to adjust the angle of the chair back 51, only needs to sit on the supporting plate 1, meanwhile, the limiting rod 59 connected with the armrest 6 is pressed by two hands to move downwards, so that the limiting block 58 is driven to move downwards to be separated from the limiting wheel 57, then the back part presses the chair back 51 backwards with force, when the chair back 51 reaches a proper angle, the limiting rod 59 is loosened, the limiting rod 59 resets under the action of the limiting spring 510, so that the limiting block 58 is sent into the limiting wheel 57, the chair back 51 can be adjusted to the required angle, meanwhile, the chair back 51 can drive the first gear 53 to rotate when rotating, the first gear 53 is matched with the second gear 56 through the gear belt 55 to drive the third gear 511 to rotate, the third gear 511 drives the pedal 512 to rotate, when the chair back 51 reaches the proper angle, the pedal 512 can also move to the proper angle, so that a user can stop, in addition, when the chair back angle needs to be adjusted forwards, the limiting rod 59 is pressed to release the mutual limiting of the limiting block 58 and the limiting wheel 57, further, under the action of the torsion spring 54, the backrest 51 moves forward, so that the backrest 51 can be adjusted forward and backward.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims

1. An automatic backstroke armchair includes a support plate (1), and is characterized in that: backup pad (1) right side sliding connection has drawer (2), drawer (2) one side fixedly connected with pull rod (3), backup pad (1) up end right part is provided with back-up adjustment mechanism (5), backup pad (1) right part just is located equal fixedly connected with handle (4) in drawer (2) both sides, backup pad (1) up end fixedly connected with handrail (6).

2. The automatic reclining armchair of claim 1, wherein: the supporting plate is characterized in that the left part of the lower end face of the supporting plate (1) is rotatably connected with a front supporting leg (7), and the right part of the lower end face of the supporting plate (1) is rotatably connected with a rear supporting leg (8) through a connecting rod (9).

3. An automatic reclining armchair according to claim 2, wherein: connecting rod (9) surface middle part fixedly connected with worm wheel (10), worm wheel (10) surface meshing has worm (11), worm (11) one end fixedly connected with knob (12), worm (11) both ends are rotated with backup pad (1) and are connected.

4. An automatic reclining armchair according to claim 3, wherein: the reclining adjusting mechanism (5) comprises a chair back (51), a rotating rod (52), a first gear (53), a torsion spring (54), a gear belt (55), a second gear (56), a limiting wheel (57), a limiting block (58), a limiting rod (59), a limiting spring (510), a third gear (511), a pedal plate (512) and a containing groove (513), wherein the chair back (51) is fixedly connected with the rotating rod (52), the first gear (53) is fixedly connected with the two ends of the rotating rod (52), and one side of the first gear (53) is fixedly connected with the supporting plate (1) through the torsion spring (54).

5. The automatic reclining armchair of claim 4, wherein: first gear (53) surface is rotated through gear belt (55) and is connected with second gear (56), second gear (56) one side fixedly connected with spacing wheel (57), spacing wheel (57) one side has stopper (58) through spacing groove sliding connection, stopper (58) one side fixedly connected with gag lever post (59), gag lever post (59) surface upper portion and handrail (6) sliding connection, handrail (6) inner chamber upper portion fixedly connected with spacing spring (510), spacing spring (510) one end and gag lever post (59) fixed connection, second gear (56) both sides middle part is rotated through pivot and backup pad (1) inner chamber and is connected.

6. An automatic reclining armchair according to claim 5, wherein: the outer surface of the second gear (56) is rotatably connected with a third gear (511) through a gear belt (55), one side of the third gear (511) is fixedly connected with a pedal plate (512), the outer surface of the pedal plate (512) is slidably connected with a storage groove (513), and the left part of the lower end surface of the support plate (1) is provided with the storage groove (513).