Chair back plug-in type chair

Abstract

The utility model provides a chair back plug-in type chair which comprises a chair support and a chair back assembly, and the chair back assembly is detachably connected with the chair support through a plug-in structure. The inserting structure comprises at least one inserting inner rod arranged on the seat bracket, and the inserting inner rod extends towards the upper side; the chair back assembly is internally provided with an insertion groove which can be in insertion connection with the insertion inner rod, the lower end of the insertion groove is provided with an insertion port, the lower end of the insertion groove is communicated with the outside through the insertion port, and the insertion inner rod can be inserted into the insertion groove from bottom to top through the insertion port; outer inserting rods corresponding to the inner inserting rods are fixed in the chair back assembly, and the inserting grooves and the inserting openings are formed in the outer inserting rods; the chair back plug-in type chair provided by the utility model overcomes the defects that the chair back of the existing chair is inconvenient to assemble and metal connecting pieces are exposed.

Description

Technical Field

[0001] The utility model relates to the field of seats, in particular to a seat with a plug-in backrest. Background Art

[0002] As an indispensable part of human life and work, the development of chairs has gone through a long process. With the progress of society and the development of technology, the design and production of chairs have gradually diversified.

[0003] See Figure 1 Existing chairs generally include a seat frame, a backrest, armrests, and a backboard. Metal connectors are fixed to both sides of the seat frame. These metal connectors have multiple holes for fasteners to pass through, and the seat back is secured to the metal connectors via these fasteners. In this structure, the seat back is secured to the seat frame via the metal connectors, making assembly of the seat back time-consuming and labor-intensive, as well as inconvenient. Furthermore, the metal connectors are exposed, resulting in an untidy and unsightly overall appearance. Utility Model Content

[0004] (1) Technical issues to be resolved

[0005] The problem to be solved by the utility model is to provide a seat with a plug-in backrest, so as to overcome the defects of the existing seat backrest being inconvenient to assemble and the metal connecting parts being exposed.

[0006] (2) Technical solution

[0007] To address the aforementioned technical issues, the present invention provides a seat with a plug-in backrest, comprising a seat frame and a seat back assembly, wherein the seat back assembly is detachably connected to the seat frame via a plug-in structure. The plug-in structure includes at least one plug-in inner rod disposed on the seat frame, the plug-in inner rod extending upward; a plug-in slot is provided within the seat back assembly, which is pluggable with the plug-in inner rod; a plug-in interface is provided at the lower end of the plug-in slot, and the lower end of the plug-in slot is connected to the outside through the plug-in interface, so that the plug-in inner rod can be inserted into the plug-in slot from bottom to top through the plug-in interface.

[0008] In some embodiments, an external plug-in rod corresponding to the internal plug-in rod is fixed in the chair back assembly, and the plug-in slot and the plug-in interface are both arranged in the external plug-in rod.

[0009] In some embodiments, there are two plug-in inner rods, which are symmetrically and spaced apart in the middle area of ​​the seat frame; there are two plug-in outer rods, which are symmetrically arranged in the seat back assembly.

[0010] In some embodiments, the plug-in inner rod is arranged perpendicular to the seat bracket, and the plug-in inner rod and the seat bracket are an integrated structure; the cross-sections of the plug-in inner rod and the plug-in outer rod are both rectangular.

[0011] In some embodiments, a first accommodating groove is provided in the chair back assembly, and the plug-in outer rods are symmetrically installed on both sides of the first accommodating groove.

[0012] In some embodiments, the chair back assembly includes a sponge body, and the first accommodating groove is arranged on the sponge body; the first accommodating groove is covered with a cover plate, and the cover plate is provided with a positioning plate extending toward the first accommodating groove, and the positioning plate is used to position two plug-in external rods during welding, and the plug-in external rods are welded and fixed on the cover plate.

[0013] In some embodiments, the back of the sponge body is concavely formed with a second receiving groove, and an inner backboard is installed in the second receiving groove. The inner backboard is fixedly connected to the cover plate via fasteners. A plurality of screws are installed on the back of the inner backboard, and the screws are used to firmly connect the chair back assembly and the plug-in inner rod.

[0014] In some embodiments, the chair back assembly further includes an outer back panel that serves as a decoration, and the outer back panel is fixed to the back of the inner back panel by fasteners.

[0015] In some embodiments, a recess is formed in the lower end of the seat back assembly to allow the seat bracket to avoid the seat bracket. When the seat back assembly is plugged into the seat bracket, the seat bracket rests in the recess.

[0016] In some embodiments, the seat bracket is T-shaped, with a connecting seat installed at the bottom for fixing to the ground, and armrest seats installed symmetrically on both sides; a chair seat is rotatably installed between the two armrest seats.

[0017] (3) Beneficial effects

[0018] The utility model provides a chair with a plug-in backrest, in which the chair back assembly is connected to the seat frame in a plug-in manner. By cooperating with the plug-in outer rod and the plug-in inner rod, the chair back assembly can be directly plugged into the seat frame during assembly, which makes chair back assembly more convenient and improves chair back assembly efficiency. Moreover, after assembly, the plug-in inner rod is built into the chair back assembly, and the metal connecting parts are not exposed, resulting in a neat and beautiful overall appearance. The utility model overcomes the defects of the existing chair back assembly that is inconvenient and the metal connecting parts are exposed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0020] Figure 1 This is an exploded view of the existing seat;

[0021] Figure 2 This is a three-dimensional diagram of a seat with a plug-in backrest according to the present invention;

[0022] Figure 3 This is a three-dimensional diagram of a seat with a plug-in backrest from another perspective of the utility model;

[0023] Figure 4 This is an exploded view of a seat with a plug-in backrest according to the present invention;

[0024] Figure 5 This is a three-dimensional diagram of a seat back assembly of a plug-in type seat back according to the present invention;

[0025] Figure 6 This is an exploded view of a plug-in seat back assembly of the utility model;

[0026] Figure 7 This is a cross-sectional view of a plug-in seat back assembly of the utility model;

[0027] Figure 8 This is a three-dimensional diagram of the connection between a plug-in seat cover and a plug-in outer rod of a chair back according to the utility model;

[0028] Figure 9 This is a three-dimensional diagram of a seat with a plug-in backrest and a seat bracket after being plugged in;

[0029] Figure 10 This is a three-dimensional diagram of a seat bracket of a seat with a plug-in backrest according to the present invention;

[0030] The names of the components corresponding to the various figure marks in the figure are: 1. Seat bracket; 101. Plug-in inner rod; 2. Chair back assembly; 21. Plug-in outer rod; 22. Sponge; 23. Cover plate; 24. Inner back plate; 25. Outer back plate; 201. Plug-in slot; 202. Plug interface; 203. First accommodating slot; 204. Positioning plate; 205. Second accommodating slot; 206. Avoidance slot; 3. Connecting seat; 4. Armrest seat; 5. Chair seat. DETAILED DESCRIPTION

[0031] The present application is described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] The following describes the embodiments of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The present application can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present application. It should be noted that, in the absence of conflict, the features in the following embodiments and embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative work are within the scope of protection of this application.

[0033] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on this application, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspect described herein can be used to implement an apparatus and / or practice a method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this apparatus and / or practice this method.

[0034] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present application. The illustrations only show components related to the present application and are not drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complicated.

[0035] Additionally, in the following description, specific details are provided to provide a thorough understanding of the examples, however, one skilled in the art will appreciate that the examples can be practiced without these specific details.

[0036] The following describes the technical solutions provided by various embodiments of the present application in conjunction with the accompanying drawings.

[0037] See Figures 2 to 10 The utility model provides a seat with a plug-in backrest, comprising a seat frame 1 and a seat back assembly 2. The seat back assembly 2 is detachably connected to the seat frame 1 through a plug-in structure.

[0038] See Figures 3 to 7The plug-in structure includes at least one plug-in inner rod 101 provided on the seat frame 1, and the plug-in inner rod 101 extends upward. The seat back assembly 2 is provided with a plug-in slot 201 that can be plugged into the plug-in inner rod 101. The lower end of the plug-in slot 201 is provided with an insertion interface 202. The lower end of the plug-in slot 201 is connected to the outside through the insertion interface 202. The plug-in inner rod 101 can be inserted into the plug-in slot 201 from bottom to top through the insertion interface 202. A plug-in outer rod 21 corresponding to the plug-in inner rod 101 is fixed in the seat back assembly 2. The insertion slot 201 and the insertion interface 202 are both provided in the plug-in outer rod 21; the plug-in outer rod 21 can be plugged into the plug-in inner rod 101. This structure, through the combination of the plug-in outer rod and the plug-in inner rod, allows the chair back assembly to be directly plugged into the seat frame during assembly, thereby improving the efficiency of chair back assembly and making chair back assembly more convenient; and after assembly, the plug-in inner rod is built into the chair back assembly, and the metal connector (plug-in inner rod) will not be exposed, and the overall appearance is neat and beautiful.

[0039] In some embodiments, as Figure 4 、 Figure 9 and Figure 10 As shown, two inner connecting rods 101 are symmetrically and spaced apart in the middle area of ​​the seat frame 1; two outer connecting rods 21 are symmetrically arranged in the seat back assembly 2. The use of two inner connecting rods 101 can not only ensure the strength of the connection between the seat frame 1 and the seat back assembly 2, but also limit the rotation of the seat back assembly 2.

[0040] In some embodiments, as Figure 4 and Figure 7 As shown, the plug-in inner rod 101 is arranged perpendicular to the seat frame 1 and the plug-in inner rod 101 and the seat frame 1 are an integrated structure; the cross-sections of the plug-in inner rod 101 and the plug-in outer rod 21 are both rectangular. The rectangular plug-in inner rod 101 and the plug-in outer rod 21 can limit the rotation of the seat back assembly 2 after plugging, and the limiting effect is good.

[0041] In some embodiments, as Figure 5 and Figure 6 As shown, the seat back assembly 2 is provided with a first receiving groove 203, with the plug-in outer rods 21 symmetrically mounted on either side of the first receiving groove 203. The seat back assembly 2 includes a sponge body 22 having a frame, and the first receiving groove 203 is disposed on the frame of the sponge body 22. A cover plate 23 covers the first receiving groove 203, and a positioning plate 204 is provided on the cover plate 23, extending into the first receiving groove 203. The positioning plate 204 is used to position the two plug-in outer rods 21 during welding. The plug-in outer rods 21 can be fixed to the cover plate 23 by welding.

[0042] In some embodiments, as Figure 6 and Figure 7As shown, the back of the sponge body 22 is concavely formed with a second receiving groove 205. An inner back panel 24 is mounted within this second receiving groove 205 and is securely connected to the cover plate 23 via fasteners. Multiple screws are mounted on the back of the inner back panel 24 to securely connect the backrest assembly 2 and the plug-in inner rod 101. Once the backrest assembly 2 and the plug-in inner rod 101 are connected, two screws are used to securely connect the backrest assembly 2 and the plug-in inner rod 101 to prevent the backrest assembly 2 from being pulled out and to further strengthen the connection.

[0043] In some embodiments, as Figure 6 and Figure 7 As shown, the chair back assembly 2 further includes an outer back panel 25 that plays a decorative role. The outer back panel 25 is fixed to the back of the inner back panel 24 by fasteners.

[0044] In some embodiments, as Figure 4 and Figure 5 As shown, the lower end of the seat back assembly 2 is concavely formed with an escape groove 206 for circumventing the seat frame 1. When the seat back assembly 2 is plugged into the seat frame 1, the seat frame 1 abuts against the escape groove 206. The escape groove 206 is provided so that the seat frame 1 can be avoided after plugging in, ensuring the feasibility of the structure.

[0045] In some embodiments, as Figures 2 to 4 As shown, the seat bracket 1 is T-shaped, and a connecting seat 3 for fixing to the ground is installed at the bottom of the seat bracket 1. Armrest seats 4 are symmetrically installed on both sides of the seat bracket 1; a seat 5 is rotatably installed between the two armrest seats 4.

[0046] The same or similar parts between the various embodiments in this specification can be referred to each other, and each embodiment focuses on the differences from other embodiments.

[0047] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A seat back plug-in chair, comprising a seat frame (1) and a seat back assembly (2), characterized in that: The chair back assembly (2) is detachably connected to the seat frame (1) via a plug-in structure, wherein the plug-in structure comprises at least one plug-in inner rod (101) arranged on the seat frame (1), wherein the plug-in inner rod (101) is extended upward; a plug-in slot (201) is provided in the chair back assembly (2) and can be plugged into the plug-in inner rod (101); a plug-in interface (202) is provided at the lower end of the plug-in slot (201); the lower end of the plug-in slot (201) is connected to the outside via the plug-in interface (202), and the plug-in inner rod (101) can be inserted into the plug-in slot (201) from bottom to top via the plug-in interface (202).

2. The seat with a plug-in backrest according to claim 1, wherein: A plug-in outer rod (21) corresponding to the plug-in inner rod (101) is fixed in the chair back assembly (2), and the plug-in slot (201) and the plug-in interface (202) are both arranged in the plug-in outer rod (21).

3. The seat with a plug-in backrest according to claim 2, wherein: There are two plug-in inner rods (101), which are symmetrically and spaced apart in the middle area of ​​the seat frame (1); there are two plug-in outer rods (21), which are symmetrically arranged in the seat back assembly (2).

4. The seat with a plug-in backrest according to claim 2, wherein: The plug-in inner rod (101) is arranged perpendicularly to the seat support (1), and the plug-in inner rod (101) and the seat support (1) are an integrated structure; the cross sections of the plug-in inner rod (101) and the plug-in outer rod (21) are both rectangular.

5. The seat with a plug-in backrest according to claim 3, wherein: A first accommodating groove (203) is provided in the chair back assembly (2), and the plug-in outer rod (21) is symmetrically installed on both sides of the first accommodating groove (203).

6. The seat with a plug-in backrest according to claim 5, wherein: The chair back assembly (2) includes a sponge body (22), and the first accommodating groove (203) is arranged on the sponge body (22); the first accommodating groove (203) is covered with a cover plate (23), and the cover plate (23) is provided with a positioning plate (204) extending toward the first accommodating groove (203), and the positioning plate (204) is used to position two plug-in outer rods (21) during welding, and the plug-in outer rods (21) are welded and fixed on the cover plate (23).

7. The seat with a plug-in backrest according to claim 6, wherein: The back of the sponge body (22) is concave to form a second accommodating groove (205), and an inner backboard (24) is installed in the second accommodating groove (205). The inner backboard (24) is fixedly connected to the cover plate (23) through fasteners; a plurality of screws are installed on the back of the inner backboard (24), and the screws are used to firmly connect the chair back assembly (2) and the plug-in inner rod (101).

8. The seat with a plug-in backrest according to claim 7, wherein: The chair back assembly (2) further comprises an outer back panel (25) which serves a decorative function, and the outer back panel (25) is fixed to the back of the inner back panel (24) via fasteners.

9. The seat with a plug-in backrest according to claim 1, wherein: The lower end of the chair back assembly (2) is concavely formed with an avoidance groove (206) for avoiding the seat bracket (1); when the chair back assembly (2) and the seat bracket (1) are plugged into each other, the seat bracket (1) is placed in the avoidance groove (206).

10. The seat with a plug-in backrest according to claim 1, wherein: The seat bracket (1) is T-shaped, with a connecting seat (3) installed at its bottom for fixing on the ground, and armrest seats (4) installed symmetrically on both sides; a seat (5) is rotatably installed between the two armrest seats (4).

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