CN211186511U

CN211186511U - Simple back connecting structure

Info

Publication number: CN211186511U
Application number: CN201921279453.7U
Authority: CN
Inventors: 鲁定康
Original assignee: Dongguan Association Furniture Co ltd
Current assignee: Dongguan Association Furniture Co ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-08-07
Anticipated expiration: 2029-08-08

Abstract

The utility model relates to a chair technical field, the utility model discloses a simple and easy back of body connection structure, including back of the body connection structure and iron stand, back of the body connection structure installs on the iron stand, back of the body connection structure is including back of the body frame and a pair of support that the structure is the same, and is a pair of the support mounting is in the left and right sides of back of the body frame. This simple and easy back of body connection structure adopts back of the body frame and support inter combination, and the cooperation through being equipped with draw-in groove on the back of the body frame and i-shaped nut and screw locks the support, through being equipped with spacing groove between the draw-in groove and spacing card cooperation to strengthen the stability of support, this structure is novel succinct not only, installation and convenient to use, with low costs, elegant appearance, receive to fold back small, improve the market competitiveness of product.

Description

Simple back connecting structure

Technical Field

The utility model relates to a chair technical field specifically is a simple and easy back of body connection structure.

Background

Training chairs in the current market are various in types, 1, from installation and use, most products are complex in structure, inconvenient to install and use, time-consuming and labor-consuming when parts need to be replaced or disassembled and recombined, and high in reject ratio. 2. From functional structure, the folding structure that many training chairs in market used, with high costs, the operation is complicated, occupies a large amount of spaces after folding, and the quality can not obtain the assurance moreover, causes a lot of puzzlements of user after using.

In view of the above problems, along with the increasing requirements of users on the comfort and convenience of use of chairs, it is necessary to provide a chair that has a simple structure, is convenient to install and use, has a low cost, and has a small volume after being folded to meet the requirements of users.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the disappearance that prior art exists, its main objective provides a simple structure, and its easily production equipment can the person of facilitating the use installation and use, can satisfy training chair function demand again.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a simple and easy back connection structure, includes back connection structure and iron stand, back connection structure installs on the iron stand, back connection structure includes back of the body frame and a pair of support that the structure is the same, and is a pair of the left and right sides of support mounting at back of the body frame.

Preferably, the left and right surfaces of the back frame are provided with two clamping grooves, the two clamping grooves are arranged along the vertical direction, the through holes formed in the upper and lower sides of the outer wall of the support correspond to the clamping grooves, the inner cavities of the four clamping grooves are provided with I-shaped nuts, and the support is locked and fixed through the matching of screws and the I-shaped nuts when being connected with the back frame.

Preferably, the limiting groove has all been seted up to the outer wall left and right sides of back of the body frame, and the limiting groove is located two central point between the draw-in groove puts, the inboard central point of support puts and is equipped with spacing card, and corresponds with the limiting groove.

Preferably, the cross section of the bracket is L-shaped.

Preferably, the iron frame comprises a front iron pipe and a rear iron pipe, and the back is connected and installed on the front iron pipe.

Compared with the prior art, the beneficial effects of the utility model are that: this simple and easy back of body connection structure adopts back of the body frame and support inter combination, and the cooperation through being equipped with draw-in groove on the back of the body frame and i-shaped nut and screw locks the support, through being equipped with spacing groove between the draw-in groove and spacing card cooperation to strengthen the stability of support, this structure is novel succinct not only, installation and convenient to use, with low costs, elegant appearance, receive to fold back small, improve the market competitiveness of product.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

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

FIG. 3 is a front view of the present invention;

fig. 4 is a partial enlarged view of the present invention.

In the figure: 1. the device comprises a back frame, 2, screws, 3, a support, 4, an I-shaped nut, 5, a limiting groove, 6, a limiting clamp, 7, an iron frame, 8 and a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a simple back connection structure, including back connection structure and iron stand 7, back connection structure installs on iron stand 7, iron stand 7 is including preceding iron pipe and back iron pipe, back connection installs on preceding iron pipe, back connection structure includes back frame 1 and a pair of support 3 that the structure is the same, a pair of support 3 installs the left and right sides at back frame 1, the cross-section of support 3 is L shape, L type structure is excellent in mechanics, strong in the aspect of the structure, spacing groove 5 has all been seted up to the outer wall left and right sides of back frame 1, and spacing groove 5 is located the central point between two draw-in grooves 8, the inboard central point of support 3 puts and is equipped with spacing card 6, and correspond with spacing groove 5, spacing card 6 is adorned on back frame 1 with spacing groove 5 corresponding on support 3, can strengthen the stability between back frame 1 and the support 3, draw-in groove 8 has all been seted up to the left and right sides surface of back frame 1, the quantity of back frame 1 left and right sides 8 is two, and right sides fastening direction sets up along upper and lower direction, support 3 outer wall and support 3 correspond the through-hole and through-hole 8, the through-screw nut connection when installing, the through-hole is equipped with the through-hole, the through-screw nut, the through-hole is equipped with the through-.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "assembled," and the like are to be construed broadly and can include, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a simple and easy back of body connection structure which characterized in that: including back connection structure and iron stand (7), back connection structure installs on iron stand (7), back connection structure includes back of the body frame (1) and a pair of support (3) that the structure is the same, and is a pair of support (3) are installed in the left and right sides of back of the body frame (1).

2. The easy back connection structure of claim 1, wherein: the improved multifunctional back frame is characterized in that clamping grooves (8) are formed in the surfaces of the left side and the right side of the back frame (1), the quantity of the clamping grooves (8) in the left side and the right side of the back frame (1) is two, the clamping grooves are arranged in the vertical direction, through holes formed in the upper side and the lower side of the outer wall of the support (3) correspond to the clamping grooves (8), the inner cavities of the four clamping grooves (8) are provided with I-shaped nuts (4), and the support (3) is locked and fixed with the back frame (1) through screws (2) in a matched mode.

3. The easy back connection structure of claim 1, wherein: spacing groove (5) have all been seted up to the outer wall left and right sides of back of the body frame (1), and spacing groove (5) are located the central point between two draw-in grooves (8) and put, the inboard central point of support (3) puts and is equipped with spacing card (6), and corresponds with spacing groove (5).

4. The simple back connecting structure according to claim 1, wherein the cross-section of the bracket (3) is L-shaped.

5. The easy back connection structure of claim 1, wherein: the iron frame (7) comprises a front iron pipe and a rear iron pipe, and the back of the iron frame is connected and installed on the front iron pipe.