Mounting structure of edging office chair

Abstract

A mounting structure of an edge strip office chair comprises a chair frame and a seat sheet body, the chair frame comprises two edge strip side rods distributed left and right, the chair frame further comprises a seat cross rod and a back cross rod, and the left end and the right end of the seat cross rod are welded to the front ends of seat rod sections of the two edge strip side rods respectively; the left end and the right end of the back cross rod are respectively welded with the top ends of the chair back sections of the two edge strip side rods; embedding seats are welded on the mounting surfaces of the edge strip side rods, embedding grooves with outward openings are formed in the embedding seats, and the edges of the left end and the right end of the seat sheet body are respectively folded inwards and embedded in the embedding grooves of the embedding seats on the two edge strip side rods. The distance between the two edge strip side rods is limited by the non-detachable seat cross rod and the non-detachable back cross rod, the structural stability of the chair frame is guaranteed, meanwhile, the mounting surfaces of the edge strip side rods, the seat cross rod and the back cross rod are all welded with the embedded seats, the peripheral edges of the seat sheet body are folded inwards and embedded in the embedded grooves of the embedded seats, and the seat sheet body is folded inwards to be embedded in the embedded grooves of the embedded seats. Therefore, the seat sheet body can be effectively and quickly mounted.

Description

TECHNICAL FIELD

[0001] The utility model relates to office chair technical field, concretely relates to a mounting structure of side bar office chair. BACKGROUND

[0002] Office chair is used for office chair in broad sense, is indispensable article of office, and side bar office chair as a kind of office chair, because it has simple structure, stable and durable advantages, is more and more favored by users in market.

[0003] As Figures 5-7 As shown in figure, the existing side bar office chair includes chair leg one 1´, the bottom frame one 2´ of being arranged at the upper portion of chair leg one 1´, the chair frame one 3´ of being arranged at the bottom frame one 2´ and the sitting piece body one 4´ of being arranged at the chair frame one 3´, the chair frame one 3´ includes support cross bar 31´ and two left and right distribution's side bar side pole 32´, each side bar side pole 32´ is equipped with the metal strip 5´ for fixing sitting piece body one 4´ using screw or rivet, when installing, first, the left and right sides of sitting piece body one 4´ are clamped and fixed between the side bar side pole 32´ and the metal strip 5´ corresponding to each other;Then, the sitting pole section of two side bar side poles 32´ is installed on the top of bottom frame one 2´ using first bolt, and then the left and right ends of support cross bar 31´ are installed on the back side of chair back section of side bar side pole 32´ respectively using second bolt, so that the distance between two side bar side poles 32´ is constrained by bottom frame one 2´ and support cross bar 31´, so that the middle part of sitting piece body one 4´ can be tightly supported user. However, because the distance between side bar side pole 32´ is only constrained and positioned by support cross bar 31´ and bottom frame one 2´, when first bolt and second bolt are loose, support cross bar 31´ and bottom frame one 2´ cannot effectively constrain the distance between two side bar side poles 32´, and the middle part of sitting piece body one 4´ is not tight, which leads to the decrease of the comfort of user sitting on sitting piece body one 4´. UTILITY MODEL CONTENTS

[0004] In order to overcome the defects of prior art, the utility model provides a mounting structure of side bar office chair.

[0005] The utility model solves the technical scheme that it adopts:

[0006] The application discloses a mounting structure of a side bar office chair, which comprises a chair frame and a seat piece arranged on the chair frame, and the chair frame comprises two side bar side rods which are arranged on the left and right sides and comprise seat rod sections and back rod sections arranged at the rear ends of the seat rod sections.

[0007] In the mounting structure, the mounting surfaces of the seat transverse rod and / or the back transverse rod are welded with embedding seats, the front end edges of the seat piece are folded inward and embedded into the embedding grooves of the embedding seats of the seat transverse rod, and the top end edges of the seat piece are folded inward and embedded into the embedding grooves of the embedding seats of the back transverse rod.

[0008] In the mounting structure, the four peripheral edges of the seat piece are all sewn with positioning piece strips, and the positioning piece strips and the edge portions of the seat piece provided with the positioning piece strips are combined to form embedding hooks which are embedded in the embedding grooves.

[0009] In the mounting structure, the mounting structure further comprises a bottom frame, the bottom frame is located at the rear of the seat transverse rod, the left and right ends of the bottom frame are detachably connected with the seat rod sections of the two side bar side rods in a bolt connection mode, and the bottom frame is at least configured to limit the mutual contraction deformation of the middle portions of the two side bar side rods.

[0010] In the mounting structure, the bottom frame is provided with two side rod adaptation grooves, and the seat rod sections are locally matched in the side rod adaptation grooves.

[0011] In the mounting structure, the bottom frame comprises two left and right symmetrical connecting seats and fixed seats which are fixedly connected with the two connecting seats respectively, and each connecting seat is provided with one side rod adaptation groove.

[0012] In the mounting structure, the connecting seat comprises a connecting horizontal portion for supporting the bottom of the seat rod section and a connecting vertical portion for supporting the inner side of the seat rod section, and the connecting horizontal portion and the connecting vertical portion are integrally connected in an L shape and surround to form the side rod adaptation groove.

[0013] In the mounting structure, the connecting horizontal portion is provided with a connecting through hole, and the seat rod section is provided with a seat rod screw hole corresponding to the connecting through hole.

[0014] In the mounting structure, the fixed seat is two and is arranged in an interval from front to back.

[0015] The fixed seat is provided with a fixed horizontal part for connecting the chair leg and two inclined supporting parts integrally connected to the left and right ends of the fixed horizontal part, and the upper end of the inclined supporting part is welded and fixed on the connecting seat.

[0016] The chair frame of the utility model has the advantages that the chair frame comprises two side bars, a seat cross bar and a back cross bar, the distance between the two side bars is limited by the non-detachable seat cross bar and back cross bar, the structural stability of the chair frame is ensured, the mounting surface of the side bar, seat cross bar and back cross bar is welded with an embedding seat, the periphery of the seat piece body is folded inward and embedded in the embedding groove of the embedding seat, the installation of the seat piece body is effectively and quickly completed, and the bottom frame is used to limit the mutual contraction deformation of the middle part of the two side bars, the structural stability of the chair frame is ensured, the chair frame is not easy to deform, and the installation quality of the seat piece body is further ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further explained in connection with the drawings and embodiments:

[0018] Figure 1 It is the perspective view of the installation structure;

[0019] Figure 2 It is the structural view of the installation structure;

[0020] Figure 3 It is the combined schematic view of the chair frame and the bottom frame;

[0021] Figure 4 It is the exploded schematic view of the chair frame and the bottom frame;

[0022] Figure 5 It is the schematic view of the existing side bar office chair Figure 1 ;

[0023] Figure 6 It is the schematic view of the existing side bar office chair Figure 2 ;

[0024] Figure 7 It is the schematic view of the existing side bar office chair Figure 3 . DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described in connection with the drawings in the utility model embodiment.

[0026] Refer to Figures 1-4The mounting structure of the side bar office chair comprises a chair frame 1 and a seat piece 2 arranged on the chair frame 1, the chair frame 1 comprises two side bar side rods 11 distributed left and right, the side bar side rod 11 comprises a seat rod section 111 and a back rod section 112 arranged at the rear end of the seat rod section 111, the back rod section 112 is provided with a convex waist support part, so that the seat piece 2 can form a waist support to support the waist of the user. The chair frame 1 further comprises a seat transverse rod 12 and a back transverse rod 13, the left and right ends of the seat transverse rod 12 are respectively welded or integrally connected with the front ends of the seat rod sections 111 of the two side bar side rods 11, and the left and right ends of the back transverse rod 13 are respectively welded or integrally connected with the top ends of the back rod sections 112 of the two side bar side rods 11. In the embodiment, the side bar side rod 11, the seat transverse rod 12 and the back transverse rod 13 are all made of metal pipes, wherein the seat transverse rod 12 is connected with the seat rod section 111 of the side bar side rod 11 by welding, and the seat transverse rod 12 and the back transverse rod 13 are connected with the back rod section 112 of the side bar side rod 11 by welding, so that the distance between the two side bar side rods 11 is limited by the seat transverse rod 12 and the back transverse rod 13 which cannot be disassembled, and the structure is simple and stable, thereby ensuring the structural stability of the chair frame 1.

[0027] Further, the mounting surface of the side bar side rod 11, the seat transverse rod 12 and the back transverse rod 13 is welded with an embedded seat 14, the embedded seat 14 is provided with an embedded groove 140 with an opening outward, the cross section shape of the embedded seat 14 is L-shaped, the embedded seat 14 comprises an embedded connecting part 141 and an embedded main body part 142 which are connected in L-shaped, the embedded connecting part 141 is welded with the chair frame 1, and the embedded connecting part 141 and the embedded main body part 142 form the embedded groove 140, the embedded grooves 140 are communicated with each other to form an annular embedded groove, so that the outer peripheral edge of the seat piece 2 can be better embedded in the embedded groove 140, thereby improving the mounting quality of the seat piece 2; specifically, the left and right end edges of the seat piece 2 are respectively folded inward and embedded in the embedded grooves 140 of the embedded seats 14 of the two side bar side rods 11, the front end edge of the seat piece 2 is folded inward and embedded in the embedded groove 140 of the embedded seat 14 of the seat transverse rod 12, and the top end edge of the seat piece 2 is folded inward and embedded in the embedded groove 140 of the embedded seat 14 of the back transverse rod 13.

[0028] As a preferred embodiment, the seat piece 2 is made of leather or cloth, preferably leather. Further, in order to improve the embedding quality, the four edges of the seat piece 2 are all connected with positioning strips 3 by sewing, and the positioning strips 3 and the edge portions of the seat piece 2 where the positioning strips 3 are arranged form hook-shaped embedding hooks embedded in the embedding grooves 140, thus effectively preventing the edges of the seat piece 2 from being separated from the embedding grooves 140. In addition, the positioning strips 3 are made of hard and tough plastic, such as ABS plastic or nylon, so that after the embedding hooks are embedded in the embedding grooves 140, the embedding hooks can adapt to the shape of the embedding grooves 140 and be clamped in the embedding grooves 140 by the positioning strips 3, thereby limiting the embedding hooks from slipping out of the embedding grooves 140 by the friction generated during clamping.

[0029] As a preferred embodiment, the mounting structure further comprises a base frame 4 located behind the seat cross rod 12, and the left and right ends of the base frame 4 are detachably connected with the seat rod segments 111 of the two side rod side bars 11 by bolt connection. The base frame 4 is arranged to at least limit the mutual contraction deformation of the middle portions of the two side rod side bars 11, thereby ensuring the structural stability of the chair frame 1 and preventing it from being deformed, so as to ensure the mounting quality of the seat piece 2.

[0030] In the embodiment, the base frame 4 is provided with two side rod fitting grooves 40, and the seat rod segments 111 are partially matched in the side rod fitting grooves 40, thereby better defining the positions of the two side rod side bars 11. Further, the base frame 4 comprises two left and right symmetrical connecting seats 41 and fixing seats 42 fixedly connected with the two connecting seats 41, respectively, and each connecting seat 41 is provided with a side rod fitting groove 40. Still further, the connecting seat 41 comprises a connecting horizontal portion 411 for supporting the bottom of the seat rod segment 111 and a connecting vertical portion 412 for supporting the inner side of the seat rod segment 111, and the connecting horizontal portion 411 and the connecting vertical portion 412 are integrally connected in an L shape and enclose the side rod fitting groove 40.

[0031] In the embodiment, the connecting horizontal portion 411 is provided with a connecting through hole 4111, and the seat rod segment 111 is provided with a seat rod screw hole 1111 corresponding to the connecting through hole 4111. The shank segment of a connecting bolt is threadedly fitted in the seat rod screw hole 1111 through the connecting through hole 4111, so as to integrally fix the connecting seat 41 and the seat rod segment 111. Further, the connecting through hole 4111 is a long circular hole extending from left to right in the length direction, so that the base frame 4 can be better fitted and mounted with the seat rod segment 111 of the side rod side bar 11.

[0032] In the embodiment, the fixed seats 42 are two and arranged in front-to-back interval, the front view section of the fixed seat 42 is in the shape of "︺", the fixed seat 42 is composed of a fixed horizontal part 421 for connecting the chair leg and an inclined support part 422 integrally formed on the left and right ends of the fixed horizontal part 421 respectively, the upper end of the inclined support part 422 is welded and fixed on the connecting seat 41, thus the combination connection between the connecting seat 41 and the fixed seat 42 is completed.

[0033] In the embodiment, the fixed horizontal part 421 is provided with a fixed screw hole 4211, the fixed screw hole 4211 is used for matching a fixed bolt, thus the chair leg and the fixed horizontal part 421 are combined and connected together by the fixed bolt.

[0034] The above is only the preferred embodiment of the present application, and any technical solution with basically the same means to achieve the purpose of the present application belongs to the protection scope of the present application.

Claims

1. An installation structure for a side-strip office chair, comprising a chair frame (1) and a seat body (2) disposed on the chair frame (1), wherein the chair frame (1) comprises two side-strip bars (11) distributed to the left and right, each side-strip bar (11) comprising a seat post section (111) and a backrest section (112) disposed at the rear end of the seat post section (111), characterized in that: The chair frame (1) also includes a seat crossbar (12) and a back crossbar (13). The left and right ends of the seat crossbar (12) are welded or integrally formed to the front ends of the seat bar sections (111) of the two side bars (11); the left and right ends of the back crossbar (13) are welded or integrally formed to the top ends of the backrest sections (112) of the two side bars (11). Each of the side bar (11) has a mounting base (14) welded on its mounting surface. The mounting base (14) has an outward-facing mounting groove (140). The left and right edges of the seat body (2) are folded inward and embedded in the mounting groove (140) of the mounting base (14) on the two side bars (11).

2. The installation structure of a side-strip office chair according to claim 1, characterized in that: Mounting seats (14) are welded to the mounting surfaces of the seat crossbar (12) and / or back crossbar (13). The front edge of the seat piece (2) is folded inward and embedded into the mounting groove (140) of the mounting seat (14) on the seat crossbar (12). The top edge of the seat piece (2) is folded inward and embedded into the mounting groove (140) of the mounting seat (14) on the back crossbar (13).

3. The installation structure of a side-slat office chair according to claim 1 or 2, characterized in that: The four edges of the seat body (2) are all sewn together with positioning strips (3). The positioning strips (3) and the edge of the seat body (2) are combined to form an embedded hook that is installed in the mounting groove (140).

4. The installation structure of a side-strip office chair according to claim 3, characterized in that: The installation structure also includes a base frame (4), which is located behind the seat crossbar (12). The left and right ends of the base frame (4) are detachably connected to the seat bar sections (111) of the two side bars (11) by bolts. The base frame (4) is configured to at least limit the mutual shrinkage and deformation of the middle of the two side bars (11).

5. The installation structure of a side-strip office chair according to claim 4, characterized in that: The base frame (4) is provided with two side rod adapter slots (40), and the seat rod section (111) is partially matched in the side rod adapter slots (40).

6. The installation structure of a side-strip office chair according to claim 5, characterized in that: The base frame (4) includes two symmetrically arranged connecting seats (41) and fixed seats (42) that are fixedly connected to the two connecting seats (41) respectively. Each connecting seat (41) is provided with a side rod adapter groove (40).

7. The installation structure of a side-strip office chair according to claim 6, characterized in that: The connecting seat (41) includes a connecting horizontal part (411) for supporting the bottom of the seat pole section (111) and a connecting vertical part (412) for supporting the inner side of the seat pole section (111). The connecting horizontal part (411) and the connecting vertical part (412) are connected in an L-shape and enclose the side pole adapter groove (40).

8. The installation structure of a side-strip office chair according to claim 7, characterized in that: The connecting transverse part (411) is provided with a connecting through hole (4111), and the seat rod section (111) is provided with a seat rod screw hole (1111) corresponding to the connecting through hole (4111).

9. The installation structure of a side-strip office chair according to claim 6, characterized in that: There are two fixing seats (42) arranged at intervals from front to back.

10. The mounting structure of a side-strip office chair according to claim 9, characterized in that: The main view of the fixed seat (42) is "︺" shaped. The fixed seat (42) consists of a fixed horizontal part (421) for connecting the chair legs and an inclined support part (422) integrally formed and connected to the left and right ends of the fixed horizontal part (421). The upper end of the inclined support part (422) is welded and fixed to the connecting seat (41).

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