CN220832467U

CN220832467U - Adjustable seat armrest and sofa seat thereof

Info

Publication number: CN220832467U
Application number: CN202322354614.7U
Authority: CN
Inventors: 肖建国
Original assignee: Guangdong Jiaju Furniture Co ltd
Current assignee: Guangdong Jiaju Furniture Co ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-04-26
Anticipated expiration: 2033-08-30

Abstract

The utility model discloses an adjustable chair armrest, comprising: the lifting frame is arranged on the armrest frame in a sliding mode, the armrest is hinged to the lifting frame, the armrest can rotate relative to the lifting frame to adjust angles, and the linear pull rod hinge is connected between the armrest frame and the lifting frame. The adjustable chair armrest provided by the utility model has the advantages that the height and the angle of the armrest can be adjusted, the structure is simple, the operation is simple and convenient, the adjustable chair armrest can be applied to chairs of different types, can adapt to various postures of sitting, lying on one side, reclining, lying on one side and the like of a user, and the comfort is improved. The utility model also discloses a sofa seat with the adjustable seat armrest.

Description

Adjustable seat armrest and sofa seat thereof

Technical Field

The utility model relates to the technical field of armrests, in particular to an adjustable seat armrest and a sofa seat thereof.

Background

Generally, the chair is provided with armrests so as to carry out bearing support on arms of a user and improve comfort of the chair. The armrests of the prior art are generally fixed armrests and movable armrests.

The fixed handrail can not be adjusted according to different body types of users, and can not be adapted to different user groups.

The movable armrest of the existing seat needs to be controlled by a switch to adjust the height, is very inconvenient to operate, and has the problems of complex structure, high product cost, short service life, unsmooth pulling, relatively laborious armrest height adjustment and the like.

Disclosure of utility model

In order to overcome at least one defect in the prior art, the utility model provides an adjustable seat armrest, which has the advantages of simple structure, simple and convenient operation, can be applied to seats of different types, can adapt to various postures of sitting, lying on one side, reclining, lying on one side and the like of a user, and improves comfort.

The utility model adopts the technical proposal for solving the problems that:

An adjustable armrest for a chair, comprising:

A handrail frame;

The lifting frame is arranged on the armrest frame in a sliding manner;

The handrail is hinged to the lifting frame and can rotate relative to the lifting frame to adjust an angle;

and the straight pull rod hinge is connected between the handrail frame and the lifting frame.

Further, the armrest rotates toward the inside or outside of the armrest frame.

Further, the lifting frame comprises two guide rods which are arranged in parallel, the guide rods are vertically arranged on the armrest frame in a sliding mode, a guide rod bottom plate is connected between the lower ends of the two guide rods, two ends of the straight pull rod hinge are respectively hinged to the guide rod bottom plate and the armrest frame, a guide rod top plate is connected between the upper ends of the two guide rods, and the armrest is hinged to the guide rod top plate.

Further, two ends of the guide rod top plate extend upwards to form two hinge lugs, and the handrail is hinged with the two hinge lugs.

Further, the handrail comprises a handrail plate and a handrail fixing seat, wherein the handrail plate is connected to the upper portion of the handrail fixing seat, the handrail fixing seat is connected with the hinge lugs through hinge bolts, and a rubber cushion is further arranged between the handrail fixing seat and the hinge lugs.

Further, the armrest frame is provided with a hollow cavity, the upper end of the guide rod penetrates through the top wall of the hollow cavity to be exposed upwards, and the straight pull rod hinge is positioned in the hollow cavity.

Further, a guide rod groove plate is arranged on the handrail frame, and a rubber sleeve in sliding fit with the guide rod is arranged on the guide rod groove plate.

Further, the upper end of the guide rod groove plate is connected to the top wall of the hollow cavity, a cross beam positioned in the hollow cavity is further arranged on the handrail frame, and the lower end of the guide rod groove plate is connected with the cross beam.

Further, the guide rod bottom plate is the shape of falling T, the guide rod bottom plate includes diaphragm and riser, two are connected respectively to the both ends of diaphragm the lower extreme of guide rod, the lower extreme of riser connect in the middle part of diaphragm, the upper end of riser articulate in the upper end of straight pull rod hinge, the lower extreme of straight pull rod hinge articulate in the handrail frame.

The utility model also discloses a sofa seat, which is applied with the adjustable seat armrest.

In summary, the adjustable seat armrest and the sofa seat thereof provided by the utility model have the following technical effects:

Through locating the crane cunning in the handrail frame, the handrail articulates in the crane, and with the angle modulation of a word pull rod hinge application to handrail frame and crane between, with realizing handrail self, and carry out altitude mixture control through user's pulling handrail, overall structure is simple, and because a word pull rod hinge has multi-gear to adjust and self return function, consequently need not to use the switch to control, can realize different high gear and adjust, make user's operation more simple and convenient, after being applied to different grade type seat, thereby the adaptation user is sitting, is lying on one's side, is recumbent various postures such as lying on one's side, makes the user have better travelling comfort in the aspect of taking, lying on one's side etc..

Drawings

FIG. 1 is a schematic perspective view of an adjustable armrest according to an embodiment of the present utility model;

FIG. 2 is a schematic front view of an adjustable armrest according to an embodiment of the present utility model;

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

Fig. 4 is a schematic perspective view of a lifting frame according to an embodiment of the utility model;

fig. 5 is a schematic perspective view of a guide bar slot plate and a rubber sleeve according to an embodiment of the present utility model.

Wherein the reference numerals have the following meanings:

1. A handrail frame; 11. a hollow cavity; 12. a guide rod groove plate; 121. a front edge is folded; 122. a vertical edge; 123. a lower front hem; 124. a rear flanging; 125. a glue hole; 13. a rubber sleeve; 14. a cross beam; 15. a hinge base; 2. a lifting frame; 21. a guide rod; 22. a guide rod bottom plate; 221. a cross plate; 222. a riser; 23. a guide rod top plate; 231. a hinge ear; 3. an armrest; 31. a handrail plate; 32. a handrail fixing seat; 33. a hinge bolt; 34. rubber cushion; 4. a straight pull rod hinge.

Detailed Description

For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1 and 2, the present utility model discloses an adjustable armrest, comprising: the handrail frame 1, the lifting frame 2, the handrail 3 and the straight pull rod hinge 4. Wherein, crane 2 slides and locates on the handrail frame 1, and handrail 3 articulates in crane 2, and handrail 3 can rotate in order angle regulation relatively to crane 2, and straight pull rod hinge 4 is connected between handrail frame 1 and crane 2 to when driving crane 2 and lifting relatively to handrail frame 1 through handrail 3, straight pull rod hinge 4 can realize that the multispeed is adjusted and the self return.

In the scheme, through locating the crane 2 in the handrail frame 1 in a sliding way, the handrail 3 articulates in the crane 2, and apply the angle modulation of straight pull rod hinge 4 to handrail frame 1 and crane 2 between, with realizing handrail 3 self, and carry out altitude mixture control through user pulling handrail 3, overall structure is simple, and because straight pull rod hinge 4 has multi-gear regulation and self return function, consequently need not to use the switch to control, can realize different high gear adjustment, make user's operation more simple and convenient, after being applied to different grade type seat, thereby the adaptation user is sitting, various postures such as side are lain, are lain by one's side, make the user have better travelling comfort in taking, are lain by one's back etc..

The present utility model relates to a horizontal pull rod hinge 4, and more particularly to a horizontal pull rod hinge 4, which is used in the present utility model, and is not limited to a specific structure of the horizontal pull rod hinge 4, and can be provided with multiple-stage adjustment and automatic return functions, and the present utility model is not limited to the horizontal pull rod hinge 4.

Preferably, in the present embodiment, the armrest 3 rotates toward the inside or outside of the armrest frame 1. Here, referring to the orientation of the adjustable armrest applied to the seat, the inner side of the armrest frame 1 refers to the side of the armrest frame 1 facing the seat surface, and the outer side of the armrest frame 1 refers to the side of the armrest frame 1 facing away from the seat surface.

Still preferably, the rotation axis of the armrest 3 is parallel to the length direction of the armrest 3, so that when the angle of the armrest 3 is adjusted, the bearing surface of the armrest 3 is kept parallel to the rotation axis, and the phenomenon of inward turning or outward turning can not occur, so that the use experience is good.

Referring to fig. 1, 2 and 4, in the present embodiment, the armrest frame 1 has a substantially rectangular frame shape, and the armrest frame 1 has a hollow cavity 11, where the hollow cavity 11 may be used to accommodate various components; the lifting frame 2 is of a quadrilateral structure and comprises two guide rods 21, a guide rod bottom plate 22 and a guide rod top plate 23, wherein the two guide rods 21 are arranged in parallel, the guide rod bottom plate 22 is connected between the lower ends of the two guide rods 21, and the guide rod top plate 23 is connected between the upper ends of the two guide rods 21 so as to improve the overall strength of the lifting frame 2. The handrail 3 is hinged to the top plate 23 of the guide rod, the two guide rods 21 can be vertically and slidably arranged on the handrail frame 1, specifically, the upper ends of the guide rods 21 penetrate through the top wall of the hollow cavity 11 to be exposed upwards, and the two guide rods 21 are utilized to enable the lifting frame 2 to be more stable when sliding relative to the handrail frame 1, so that shaking is avoided.

In addition, both ends of the in-line link hinge 4 are connected to the guide bar base plate 22 and the armrest frame 1, respectively. In particular, the two ends of the horizontal pull rod hinge 4 are respectively hinged to the guide rod bottom plate 22 and the handrail frame 1, and the whole lifting of the balance lifting frame 2 is hinged to the two ends of the horizontal pull rod hinge 4, so that the lifting process is smoother, and the user operation force is easier and more convenient.

Preferably, the guide bar base plate 22 is approximately in an inverted T shape, the guide bar base plate 22 comprises a transverse plate 221 and a vertical plate 222, both ends of the transverse plate 221 are respectively connected with the lower ends of the two guide bars 21, the lower end of the vertical plate 222 is connected with the middle part of the transverse plate 221, specifically, the cross section of the transverse plate 221 is approximately in an L shape, the vertical plate 222 is connected with the vertical face of the transverse plate 221, the guide bars 21 are connected with the transverse face of the transverse plate 221, and further, the transverse plate 221 and the vertical plate 222 are integrally formed, so that the strength of the guide bar base plate 22 can be improved by the modeling.

In addition, the upper end of the riser 222 is hinged to the upper end of the straight pull rod hinge 4, the lower end of the straight pull rod hinge 4 is hinged to the armrest frame 1, specifically, the straight pull rod hinge 4 is located in the hollow cavity 11, the bottom wall of the hollow cavity 11 is provided with a hinge seat 15, and the lower end of the straight pull rod hinge 4 is hinged to the hinge seat 15. In this way, the vertical plate 222 and the horizontal pull rod hinge 4 are overlapped on the vertical surface, so that the occupation of the whole height space can be effectively reduced, the horizontal pull rod hinge 4 with a larger adjustable stroke can be selected, and the height adjustment range of the handrail 3 is ensured.

Referring to fig. 3 to 4, in the present embodiment, two ends of the top plate 23 of the guide rod extend upward to form two hinge lugs 231, and the armrest 3 is hinged to the two hinge lugs 231, so that the stability of the armrest 3 is better.

Preferably, the armrest 3 comprises an armrest plate 31 and an armrest fixing seat 32, the armrest plate 31 is connected above the armrest fixing seat 32, the armrest plate 31 is used for supporting the arm of a user, and the armrest fixing seat 32 is used as a bearing piece; the armrest fixing seat 32 is connected with the hinge lug 231 through the hinge bolt 33, and the rubber pad 34 is further arranged between the armrest fixing seat 32 and the hinge lug 231, and the rubber pad 34 can provide a certain elastic force or friction force, so that the armrest fixing seat 32 and the hinge lug 231 are hinged to have a certain rotation pretightening force, and the armrest fixing seat is prevented from being too loose to be fixed after angle adjustment is completed.

Referring to fig. 1 and 2, in the present embodiment, the handrail frame 1 is further provided with a guide rod groove plate 12 and a beam 14, wherein the guide rod groove plate 12 and the beam 14 are both located in the hollow cavity 11, the upper end of the guide rod groove plate 12 is connected to the top wall of the hollow cavity 11, the lower end of the guide rod groove plate 12 is connected to the beam 14, and the beam 14 can play a role in enhancing the stability of the guide rod groove plate 12; the lifting frame 2 is arranged on the guide rod groove plate 12 in a sliding manner, specifically, the guide rod 21 is arranged on the guide rod groove plate 12 in a sliding manner, more specifically, a rubber sleeve 13 which is in sliding fit with the guide rod 21 is arranged on the guide rod groove plate 12, and the rubber sleeve 13 can play a role in wear resistance and noise reduction.

Referring to fig. 5, and referring to the direction shown in fig. 5, it is preferable that the guide bar groove plate 12 includes an upper front flange 121, a vertical flange 122, a lower front flange 123 and a rear flange 124, wherein the upper edge of the vertical flange 122 is bent toward the front side to form the upper front flange 121, the lower edge both ends of the vertical flange 122 are bent toward the front side to form two lower front flanges 123, the lower edge middle of the vertical flange 122 is bent toward the rear side to form the rear flange 124, the upper front flange 121 is connected to the top wall of the hollow cavity 11 by a screw, the rear flange 124 is connected to the cross beam 14 by a screw, thereby realizing the installation of the guide bar groove plate 12 in the hollow cavity 11, the upper front flange 121 and the lower front flange 123 are combined for guiding the guide bar 21, specifically, two glue holes 125 are formed in the upper front flange 121, one glue hole 125 is formed in each lower front flange 123, four glue sleeves 13 are respectively arranged and respectively installed on the four glue holes 125, and when the guide bar 21 passes through the upper front flange 125 and the upper front flange 125.

Thus, the guide rod groove plate 12 is high in strength and stability, the rubber sleeves 13 are respectively installed by utilizing the upper front folded edge 121 and the lower front folded edge 123 which form the interval, each guide rod 21 is respectively and slidably arranged on the two rubber sleeves 13, the guide performance is good, the smoothness is good, the shaking is not easy, and the use experience is improved.

In summary, the adjustable seat armrest provided by the utility model has the advantages of adjustable height and angle, compact, simple and novel overall structure, higher comfortableness, strong universality in use, capability of being installed in different similar seats and good use experience.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. An adjustable armrest for a chair, comprising:

A handrail frame (1);

the lifting frame (2) is arranged on the handrail frame (1) in a sliding manner;

A handrail (3) hinged to the lifting frame (2), wherein the handrail (3) can rotate relative to the lifting frame (2) to adjust an angle;

and the straight pull rod hinge (4) is connected between the handrail frame (1) and the lifting frame (2).

2. Adjustable armrest as claimed in claim 1, characterized in that the armrest (3) rotates towards the inside or outside of the armrest frame (1).

3. The adjustable seat armrest according to claim 1, wherein the lifting frame (2) comprises two guide rods (21) which are arranged in parallel, the guide rods (21) are vertically and slidably arranged on the armrest frame (1), a guide rod bottom plate (22) is connected between the lower ends of the two guide rods (21), two ends of the straight pull rod hinge (4) are respectively hinged to the guide rod bottom plate (22) and the armrest frame (1), a guide rod top plate (23) is connected between the upper ends of the two guide rods (21), and the armrest (3) is hinged to the guide rod top plate (23).

4. An adjustable armrest as claimed in claim 3, characterized in that the guide bar top plate (23) has two ends extending upwards to form two hinge lugs (231), the armrest (3) being hinged to the two hinge lugs (231).

5. The adjustable seat armrest according to claim 4, wherein the armrest (3) comprises an armrest plate (31) and an armrest fixing seat (32), the armrest plate (31) is connected to the upper side of the armrest fixing seat (32), the armrest fixing seat (32) is connected with the hinge lug (231) through a hinge bolt (33), and a rubber pad (34) is further arranged between the armrest fixing seat (32) and the hinge lug (231).

6. An adjustable armrest as claimed in any one of claims 3 to 5, characterized in that the armrest frame (1) has a hollow cavity (11), the upper end of the guide rod (21) being exposed upwardly through the top wall of the hollow cavity (11), the in-line lever hinge (4) being located within the hollow cavity (11).

7. The adjustable seat armrest according to claim 6, characterized in that a guide rod groove plate (12) is arranged on the armrest frame (1), and a rubber sleeve (13) which is in sliding fit with the guide rod (21) is arranged on the guide rod groove plate (12).

8. The adjustable seat armrest according to claim 7, wherein the upper end of the guide rod groove plate (12) is connected to the top wall of the hollow cavity (11), the armrest frame (1) is further provided with a cross beam (14) located in the hollow cavity (11), and the lower end of the guide rod groove plate (12) is connected to the cross beam (14).

9. The adjustable armrest according to any one of claims 3 to 5, wherein the guide bar bottom plate (22) is in an inverted T shape, the guide bar bottom plate (22) comprises a transverse plate (221) and a vertical plate (222), two ends of the transverse plate (221) are respectively connected with the lower ends of the two guide bars (21), the lower end of the vertical plate (222) is connected with the middle part of the transverse plate (221), the upper end of the vertical plate (222) is hinged with the upper end of the in-line pull bar hinge (4), and the lower end of the in-line pull bar hinge (4) is hinged with the armrest frame (1).

10. Sofa seat, characterized in that an adjustable seat armrest according to any of claims 1-9 is applied.