CN220546027U

CN220546027U - Chair assembling structure

Info

Publication number: CN220546027U
Application number: CN202320224369.5U
Authority: CN
Inventors: 杨登任; 杨沅达
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2024-03-01
Anticipated expiration: 2033-02-16

Abstract

The utility model provides an assembling structure of a chair, comprising: a chair frame having a front end bar, a rear end bar, a first side bar portion, and a second side bar portion; the chair seat can be detachably combined with the chair frame and is provided with a riding part, a front buckling part which is arranged at the front end of the riding part and buckled on the front end rod, a rear buckling part which is arranged at the rear end of the riding part and buckled on the rear end rod, a first leaning and propping part which is arranged at one side of the riding part and is blocked and propped against the first side rod part, and a second leaning and propping part which is arranged at the other side of the riding part and is blocked and propped against the second side rod part.

Description

Chair assembling structure

Technical Field

The utility model relates to the field of chairs, in particular to an assembly structure of a chair.

Background

The common chair is mainly formed by combining a chair frame and a chair seat, and most commonly, a plastic or wooden chair seat is arranged on a metal tube chair frame, wherein the chair seat is locked on the chair frame through a plurality of screws, and the combination of the chair frame and the chair seat can be completed only by using screwdrivers in the locking process, for example, the chair shown in taiwan application No. 099211901 of China, and the chair seat is locked on the chair frame by using tools and screws in an assembling mode and design, so that the time and labor are wasted in assembling the chair, and more importantly, the screws are easily loosened gradually under the long-term action of external force, so that the trouble of future maintenance is derived.

In order to solve the above problems, a new assembly structure of a chair needs to be proposed.

Disclosure of Invention

The utility model aims to provide an assembling structure of a chair, which mainly improves the convenience of assembling the chair.

Another object of the present utility model is to provide an assembling structure of a chair, which mainly does not need to use screws, and avoids the trouble caused by loosening the screws.

In order to achieve the above object, the present utility model is an assembled structure of a chair, comprising: a chair frame having a first side frame, a second side frame facing the first side frame, a front end bar connecting the first side frame and the second side frame, and a rear end bar connecting the first side frame and the second side frame and facing the front end bar, the first side frame having a first side bar portion located between the front end bar and the rear end bar, the second side frame having a second side bar portion located between the front end bar and the rear end bar and facing the first side bar portion; the seat can be detachably combined with the seat frame and is provided with a riding part, a front buckling part which is arranged at the front end of the riding part and buckled on the front end rod, a rear buckling part which is arranged at the rear end of the riding part and buckled on the rear end rod, a first leaning and propping part which is arranged at one side of the riding part and buckled on the first side rod part, and a second leaning and propping part which is arranged at the other side of the riding part and buckled on the second side rod part.

The utility model has the following effects: the front end rod, the rear end rod, the first side rod part and the second side rod part of the chair frame are matched with the front buckling part, the rear buckling part, the first leaning part and the second leaning part of the chair frame, so that when the chair seat and the chair frame are mutually assembled, the front buckling part and the rear buckling part of the chair seat are only required to be respectively buckled with the front end rod and the rear end rod of the chair frame to complete the combination of the chair seat and the chair frame, and meanwhile, the first leaning part and the second leaning part of the chair seat are respectively clamped with the first side rod part and the second side rod part of the chair frame to increase the combination stability of the chair seat and the chair frame.

Preferably, the front buckling part of the chair seat forms a front buckling groove buckled on the front end rod, the rear buckling part of the chair seat forms a rear buckling groove buckled on the rear end rod, and the rear buckling groove and the front buckling groove face different directions.

Preferably, the front buckling part of the chair seat is strip-shaped, and the front buckling groove faces obliquely downwards and forwards.

Preferably, the number of the rear buckling parts of the chair seat is three, and each rear buckling groove faces obliquely and backward and downward.

Preferably, the first supporting portion of the seat forms a first supporting groove which is blocked and supported on the first side rod portion, the second supporting portion of the seat forms a second supporting groove which is blocked and supported on the second side rod portion, and the first supporting groove and the second supporting groove are downward.

Preferably, the chair frame further has two support rods disposed at the rear end of the rear end rod, the seat also has two fastening parts disposed at the rear end of the sitting part, the assembly structure of the chair further has a chair back detachably combined with the chair frame and the seat, the chair back has a back support part, two support sleeve parts disposed at two sides of the back support part and respectively sleeved on the support rods, and two fastening ring parts disposed at the support sleeve parts, wherein the two fastening ring parts are detachably combined with the fastening parts of the seat.

Preferably, the two support rods of the chair frame are respectively provided with a cross rod part fixedly arranged at the rear end rod and a vertical rod part connected with the cross rod part and extending upwards, and the two support sleeve parts of the chair back are respectively provided with a sleeve groove sleeved at the vertical rod part.

Preferably, the two clamping ring parts of the chair back extend transversely and are respectively provided with a clamping hole, and the two clamping parts of the chair seat are respectively provided with a clamping protrusion inserted into the clamping holes.

Preferably, the chair back also has two clamping concave parts connected with the clamping ring parts, and the chair seat also has two clamping convex parts connected with the clamping ring parts and clamped in the clamping concave parts.

Drawings

FIG. 1 is an exploded perspective view of a first embodiment of the present utility model;

FIG. 2 is a perspective view of a first embodiment of the present utility model;

FIG. 3 is a cross-sectional view of line 3-3 of FIG. 2;

FIG. 4 is a cross-sectional view of line 4-4 of FIG. 2;

FIG. 5 is a combined schematic view of the first embodiment of the present utility model, showing a state that the front buckle portion of the seat is buckled against the front end rod of the seat frame;

FIG. 6 is an exploded perspective view of a second embodiment of the present utility model;

FIG. 7 is a perspective view of a second embodiment of the present utility model;

FIG. 8 is an enlarged view of a portion of a second embodiment of the present utility model, showing a three-dimensional state in which a locking portion and a locking protrusion of a seat are separated from a clasp portion and a locking recess of a seat back, respectively; and

fig. 9 is an enlarged view of a portion of a second embodiment of the present utility model, showing a cross-sectional state in which a locking portion and a locking protrusion of a seat support are respectively locked with a clasp portion and a locking recess of a seat back.

Reference numerals illustrate:

10 … chair rack

11 … first side frame

111 … first side shank

12 … second side frame

121 … second side bar portion

13 … front end rod

14 … rear end bar

15 … support rod

151 … crossbar portion

152 and … vertical rod part

20 … chair seat

21 … riding part

22 … front buckle part

221 … front buckle groove

23 … rear buckle part

231 … rear buckle groove

24 … first abutting part

241 … first abutting groove

25 and … second abutting part

251 … second abutting groove

26 and … fastening part

261 … card convex

27 … blocking convex part

30 … chair back

31 … back support

32 … support sleeve

321 and … sleeving groove

33 … clasp part

331 … clamping hole

34 … card-against concave part

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

Before the detailed description is set forth, it is noted that in the following description, like components and part names are denoted by the same reference numerals, and directional terms such as: upper, lower, left, right, front or rear, etc., are merely references to the directions of the attached drawings. Therefore, the directional terms used in the embodiments are for illustration and not for limitation of the present utility model.

Referring to fig. 1 to 4, a first embodiment of the present utility model provides an assembling structure of a chair, which mainly comprises a chair frame 10 and a chair seat 20, wherein:

the chair frame 10 is formed by bending a metal round tube, and comprises a first side frame 11, a second side frame 12 facing the first side frame 11, a front end bar 13 connected between the first side frame 11 and the second side frame 12, and a rear end bar 14 connected between the first side frame 11 and the second side frame 12 and facing the front end bar 13, wherein the first side frame 11 is provided with a first side bar portion 111 positioned between the front end bar 13 and the rear end bar 14, the second side frame 12 is provided with a second side bar portion 121 positioned between the front end bar 13 and the rear end bar 14 and facing the first side bar portion 111, so that the front end bar 13, the rear end bar 14, the first side bar portion 111 and the second side bar portion 121 of the chair frame 10 are approximately rectangular in shape in a plan view.

The seat 20 is made of plastic, and the seat 20 is detachably combined with the seat frame 10 and is provided with a taking part 21 which is approximately rectangular, a front buckling part 22 which is arranged at the front end of the taking part 21 and buckled with the front end rod 13, a rear buckling part 23 which is arranged at the rear end of the taking part 21 and buckled with the rear end rod 14, a first abutting part 24 which is arranged at one side of the taking part 21 and is blocked against the first side rod part 111, and a second abutting part 25 which is arranged at the other side of the taking part 21 and is blocked against the second side rod part 121; in this embodiment, the front buckling portion 22 of the seat 20 is in a strip shape, and the front buckling portion 22 forms a front buckling groove 221 buckled on the front end rod 13, the front buckling groove 221 has a cross section of about a C shape, and the front buckling groove 221 faces obliquely downward; the number of the rear buckling parts 23 of the seat 20 is three, each rear buckling part 23 forms a rear buckling groove 231 which is buckled with the rear end rod 14 at the same time, the section of each rear buckling groove 231 is approximately C-shaped, the orientation of each rear buckling groove 231 is different from that of the front buckling groove 221, and each rear buckling groove 231 is oriented obliquely downwards; the first abutting portion 24 of the seat 20 forms a first abutting groove 241 that abuts against the first side bar portion 12, the second abutting portion 25 of the seat 20 forms a second abutting groove 251 that abuts against the second side bar portion 121, and both the first abutting groove 241 and the second abutting groove 251 face downward.

The above description is given of the main components of the first embodiment of the present utility model. The operation and efficacy of the present utility model are described below:

referring to fig. 1, 5 and 2, when the seat 20 of the present utility model is assembled to the seat frame 10, the front fastening portion 22 of the seat 20 is aligned with the front end bar 13 of the seat frame 10, the front fastening portion 22 is fastened to the front end bar 13, and then the seat 20 is pivoted downward by an angle with the front end bar 13 as a pivot, so that each rear fastening portion 23 of the seat 20 is fastened to the rear end bar 14 of the seat frame 10, and simultaneously the first abutting portion 24 and the second abutting portion 25 of the seat 20 are respectively fastened to the first side bar portion 111 and the second side bar portion 121 of the seat frame 10, thereby completing the assembly.

Accordingly, the structure of the front end bar 13, the rear end bar 14, the first side bar 111 and the second side bar 121 of the seat frame 10 are matched with the design of the front buckling part 22, the rear buckling part 23, the first leaning part 24 and the second leaning part 25 of the seat frame 20, so that when the seat frame 20 and the seat frame 10 are assembled with each other, only the front buckling part 22 and the rear buckling part 23 of the seat frame 20 are buckled with the front end bar 13 and the rear end bar 14 of the seat frame 10 respectively to complete the combination of the seat frame 20 and the seat frame 10, and simultaneously the first leaning part 24 and the second leaning part 25 of the seat frame 20 are respectively buckled with the first side bar 111 and the second side bar 121 of the seat frame 10 to increase the combination stability of the seat frame 20 and the seat frame 10 and increase the bearing capacity.

Referring to fig. 6 to 9, a second embodiment of the present utility model provides an assembling structure of a chair, which is different from the first embodiment in that:

the chair frame 10 further comprises two support rods 15 disposed on the rear end rod 14, each support rod 15 has an approximately L-shape, and each support rod has a cross rod portion 151 fixedly disposed on the rear end rod 14 and a vertical rod portion 152 connected to the cross rod portion 151 and extending upward.

The assembly structure of the chair also has a chair back 30 which can be combined with the chair frame 10 and the chair seat 20 in a detachable way, the chair back 30 is provided with a back bearing part 31, two support sleeve parts 32 which are arranged on two sides of the back bearing part 31 and are respectively sleeved on the support rods 15, two clamping ring parts 33 which are respectively arranged on the support sleeve parts 32, and two clamping concave parts 34 which are respectively arranged on the clamping ring parts 33; in this embodiment, each of the two supporting sleeve portions 32 of the chair back 30 has a sleeve groove 321 sleeved on the vertical rod portion 152; in addition, the two clasp portions 33 of the backrest 30 extend transversely toward the front end bar 13 of the seat frame 10 and each has a clasp hole 331, and the clasp recess 34 also faces toward the front end bar 13 of the seat frame 10.

The seat 20 further has two fastening portions 26 disposed at the rear end of the seat portion 21, wherein the fastening portions 26 are detachably coupled to the clasp portion 33 of the backrest 30, and each has a fastening protrusion 261 inserted into the fastening hole 331, and two fastening protrusions 27 connected to the fastening portions 26 and fastened to the fastening recess 34.

Accordingly, the back 30 is fixed to the support rod 15 of the seat frame 10 by the support sleeve portion 32, so that the back 30 and the seat frame 10 are mutually positioned, and the back 30 and the seat frame 20 are mutually positioned by the clip portion 33 of the back 30 and the clip protrusion portion 27 of the seat frame 20 being inserted into the clip recess portion 34 of the back 30, so that the back 30 can be firmly combined with the seat frame 10 and the seat frame 20, and the back 30 can be detached from the seat frame 10 and the seat frame 20. Therefore, the second embodiment of the present utility model can complete the assembly of the seat 20, the seat frame 10 and the backrest 30 without using tools or screws during the assembly, which can improve the convenience of the assembly of the chair, and the second embodiment of the present utility model does not need to use screws during the assembly process, thereby avoiding the trouble caused by the loosening of the screws.

It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.

In summary, the utility model can complete the assembly of the chair seat and the chair frame without using tools and screws during the assembly, thus improving the convenience of the assembly of the chair. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. An assembled structure of a chair, comprising:

a chair frame having a first side frame, a second side frame facing the first side frame, a front end bar connecting the first side frame and the second side frame, and a rear end bar connecting the first side frame and the second side frame and facing the front end bar, the first side frame having a first side bar portion located between the front end bar and the rear end bar, the second side frame having a second side bar portion located between the front end bar and the rear end bar and facing the first side bar portion; and

the seat can be combined with the chair frame in a detachable way and is provided with a riding part, a front buckling part which is arranged at the front end of the riding part and buckled on the front end rod, a rear buckling part which is arranged at the rear end of the riding part and buckled on the rear end rod, a first leaning and propping part which is arranged at one side of the riding part and buckled on the first side rod part, and a second leaning and propping part which is arranged at the other side of the riding part and buckled on the second side rod part.

2. The assembly structure of the chair according to claim 1, wherein: the front buckling part of the chair seat forms a front buckling groove buckled on the front end rod, the rear buckling part of the chair seat forms a rear buckling groove buckled on the rear end rod, and the rear buckling groove and the front buckling groove face different directions.

3. The assembly structure of the chair according to claim 2, wherein: the front buckling part of the chair seat is strip-shaped, and the front buckling groove faces obliquely front lower side.

4. The assembly structure of the chair according to claim 2, wherein: the number of the back buckling parts of the chair seat is three, and each back buckling groove faces obliquely to the lower back.

5. The assembly structure of the chair according to claim 1, wherein: the first leaning part of the chair seat forms a first leaning groove which is blocked and propped against the first side rod part, the second leaning part of the chair seat forms a second leaning groove which is blocked and propped against the second side rod part, and the first leaning groove and the second leaning groove are downward.

6. The assembly structure of the chair according to claim 1, wherein: the chair frame is also provided with two support rods arranged at the rear end rod, the chair seat is also provided with two clamping parts arranged at the rear end of the sitting part, the assembling structure of the chair is also provided with a chair back which can be detachably combined with the chair frame and the chair seat, the chair back is provided with a back support part, two support sleeve parts which are arranged at two sides of the back support part and are respectively sleeved on the support rods, and two clamping ring parts which are respectively arranged at the support sleeve parts, and the two clamping ring parts can be detachably combined with the clamping ring parts of the chair seat.

7. The chair assembly according to claim 6, wherein: the two support rods of the chair frame are respectively provided with a cross rod part fixedly arranged at the rear end rod and a vertical rod part connected with the cross rod part and extending upwards, and the two support sleeve parts of the chair back are respectively provided with a sleeve groove sleeved at the vertical rod part.

8. The chair assembly according to claim 6, wherein: the two clamping ring parts of the chair back extend transversely and are respectively provided with a clamping hole, and the two clamping parts of the chair seat are respectively provided with a clamping protrusion inserted into the clamping holes.

9. The chair assembly according to claim 6, wherein: the chair back also has two clamping concave parts connected with the clamping ring parts, and the chair seat also has two clamping convex parts connected with the clamping ring parts and clamped and propped in the clamping concave parts.