Iron pipe fitting for leisure chair

Abstract

The utility model relates to the field of leisure chair accessories, and discloses an iron pipe accessory for a leisure chair, which comprises a back plate support frame, the bottom end of the back plate support frame is inserted into an iron pipe, the iron pipe is provided with a fixing bolt in a threaded penetrating manner along the horizontal direction, and the top end of a screw part of the fixing bolt is abutted against the bottom end of the back plate support frame. The two sides of the iron pipe are each provided with an adjusting vertical groove matched with the screw part of the corresponding fixing bolt in shape in the vertical direction, the two sides of the iron pipe are each connected with a side clamping assembly in a threaded and penetrating mode, and the ends, close to each other, of the two side clamping assemblies abut against the outer side of the backboard supporting frame. The structure provided by the utility model can be adapted to the fixed installation of back plate support frames at different height positions.

Description

Technical Field

[0001] This utility model relates to the field of leisure chair accessories, specifically an iron pipe accessory for leisure chairs. Background Technology

[0002] A lounge chair is a type of everyday furniture, a seat with a backrest and armrests. Modern chairs pursue aesthetics and fashion, and some chairs are no longer just seating but have incorporated more technology to make them more convenient for people. Lounge chairs are usually composed of a support frame, base, backrest, and headrest.

[0003] For example, the utility model disclosed in publication (announcement number): CN217827273U, is a leisure chair with a support structure. The reinforcing rod is inserted between the support legs, and the support legs are provided with a support structure. The support structure includes: a cross frame, a double-headed sleeve, a support rod, a connecting sleeve, a locking part, an iron pipe, a back support frame, a connecting plate, a back panel, a seat panel, and a leg rest. The double-headed sleeve is set at one end of the cross frame and fitted onto the support legs. The support rod is inserted into the double-headed sleeve. The back panel support frame is welded and fixed to the side end face of the connecting sleeve, and its lower end is movably inserted into the iron pipe. The connecting plate is set on the cross frame and the back support frame. The back panel and the seat panel are both fixed to the connecting plate by bolts.

[0004] The overall structure of the aforementioned utility model of the leisure chair adopts a splicing structure, which can be disassembled during transportation to reduce space occupation and transportation costs. However, the lower end of the back support frame of the aforementioned leisure chair is movably inserted into an iron pipe. Its iron pipe structure can only be inserted and fixed to the lower end of the back support frame of a fixed size. At the same time, the iron pipe structure of the aforementioned leisure chair is not convenient for fixing the back support frame at different height positions, that is, it cannot be adjusted according to the height position of the lower end of the back support frame. Utility Model Content

[0005] The purpose of this utility model is to provide an iron pipe fitting for a lounge chair to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an iron pipe fitting for a lounge chair, including a back support frame, the bottom end of which is inserted into an iron pipe, and a fixing bolt is threaded through the iron pipe in a horizontal direction. The top end of the screw portion of the fixing bolt abuts against the bottom end of the back support frame, and vertical adjustment grooves adapted to the shape of the screw portion of the fixing bolt are respectively opened on both sides of the iron pipe in a vertical direction. Side clamping components are threaded through both sides of the iron pipe, and the two side clamping components abut against the outer side of the back support frame at one end close to each other.

[0007] Preferably, each of the adjustment vertical grooves is a strip structure.

[0008] Preferably, each of the side clamping assemblies includes an adjusting screw that is threaded through the side wall of the iron pipe, and the two adjusting screws are symmetrically arranged along both sides of the iron pipe.

[0009] Preferably, the two adjusting screws extend to the inside of the iron pipe from one side close to each other, and the two adjusting screws are respectively rotatably connected to clamping arc plates at one end close to each other.

[0010] Preferably, the two clamping arc plates are respectively fixedly provided with rubber pads on one side close to each other.

[0011] Preferably, both the clamping arc plate and the rubber pad are arc-shaped structures.

[0012] Compared with the prior art, the advantages of this utility model are as follows:

[0013] This invention inserts the bottom end of the backplate support frame into an iron pipe. The top of the screw of the fixing bolt, which is fixed horizontally to the iron pipe, supports the bottom end of the backplate support frame. The strip-shaped adjustment grooves on both sides of the iron pipe facilitate the vertical adjustment of the fixing bolt, thus satisfying the fixing and installation process of the backplate support frame at different heights. At the same time, rotating the two adjusting screws causes the adjusting screws to drive the two arc-shaped clamping plates through the thread adjustment process with the side wall of the iron pipe to squeeze the sides of the backplate support frame. The rubber pad on one side of the clamping arc plate is used to increase the friction between the clamping arc plate and the side wall of the backplate support frame during the squeezing process, promoting the squeezing and clamping effect, thereby further improving the fixing effect of the backplate support frame. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is an enlarged schematic diagram of the structure at point A of this utility model.

[0016] In the diagram: 1. Backplate support frame; 2. Iron pipe; 3. Adjustment vertical groove; 4. Fixing bolt; 5. Side clamping assembly; 51. Adjusting screw; 52. Clamping arc plate; 53. Rubber pad. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example 1

[0019] Please see Figures 1-2 The figure shows a metal pipe fitting for a lounge chair, including a back support frame 1. The bottom end of the back support frame 1 is inserted into a metal pipe 2, and a fixing bolt 4 is threaded through the metal pipe 2 in the horizontal direction. The top end of the screw part of the fixing bolt 4 abuts against the bottom end of the back support frame 1. Adjustment grooves 3 that are adapted to the shape of the screw part of the fixing bolt 4 are respectively opened on both sides of the metal pipe 2 in the vertical direction. Side clamping components 5 are threaded through both sides of the metal pipe 2, and the two side clamping components 5 are close to each other and abut against the outer side of the back support frame 1.

[0020] In this embodiment, each adjusting vertical groove 3 is a strip structure, and each side clamping assembly 5 includes an adjusting screw 51 that is threadedly connected to the side wall of the iron pipe 2. The two adjusting screws 51 are symmetrically arranged along both sides of the iron pipe 2. The two adjusting screws 51 extend to the inner side of the iron pipe 2 on the side close to each other, and the two adjusting screws 51 are respectively rotatably connected to the ends close to each other. The two clamping arc plates 52 are respectively fixedly provided with rubber pads 53 on the sides close to each other. Both the clamping arc plates 52 and the rubber pads 53 are arc-shaped structures.

[0021] Furthermore, the bottom end of the backplate support frame 1 is inserted into the iron pipe 2. The top of the screw of the fixing bolt 4, which is fixed horizontally on the iron pipe 2, supports the bottom end of the backplate support frame 1. The strip-shaped adjustment grooves 3 on both sides of the iron pipe 2 facilitate the vertical adjustment of the fixing bolt 4, thereby satisfying the fixed installation process of the backplate support frame 1 at different heights. At the same time, rotating the two adjusting screws 51 causes the adjusting screws 51 to drive the two arc-shaped clamping plates 52 to squeeze the sides of the backplate support frame 1 through the thread adjustment process with the side wall of the iron pipe 2. The rubber pads 53 set on one side of the clamping plates 52 are used to increase the friction between the clamping plates 52 and the side wall of the backplate support frame 1 during the squeezing process, promote its squeezing and clamping effect, and thus further improve the fixing effect of the backplate support frame 1.

[0022] The working principle of this utility model is as follows: The bottom end of the back plate support frame 1 is inserted into the iron pipe 2. The top of the screw of the fixing bolt 4, which is fixed in the horizontal direction of the iron pipe 2, supports the bottom end of the back plate support frame 1. The strip-shaped adjustment grooves 3 on both sides of the iron pipe 2 facilitate the vertical adjustment of the fixing bolt 4, thereby satisfying the fixed installation process of the back plate support frame 1 at different heights. At the same time, rotating the two adjusting screws 51 causes the adjusting screws 51 to drive the two arc-shaped clamping plates 52 to squeeze the sides of the back plate support frame 1 through the thread adjustment process with the side wall of the iron pipe 2. The rubber pads 53 set on one side of the clamping plates 52 are used to increase the friction between the clamping plates 52 and the side wall of the back plate support frame 1 during the squeezing process, promote the squeezing and clamping effect, and further improve the fixing effect of the back plate support frame 1.

[0023] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pipe fitting for a lounge chair, comprising a back support frame (1), characterized in that: The bottom end of the back plate support frame (1) is inserted into the iron pipe (2), and the iron pipe (2) is threaded through with a fixing bolt (4) in the horizontal direction. The top end of the screw part of the fixing bolt (4) abuts against the bottom end of the back plate support frame (1), and the iron pipe (2) has vertically opening adjustment grooves (3) on both sides that are adapted to the shape of the screw part of the fixing bolt (4). The iron pipe (2) is threaded through with side clamping components (5) on both sides, and the two side clamping components (5) are close to each other at one end and abut against the outside of the back plate support frame (1).

2. The iron pipe fitting for a lounge chair according to claim 1, characterized in that: Each of the aforementioned adjustment vertical grooves (3) is a strip structure.

3. The iron pipe fitting for a lounge chair according to claim 2, characterized in that: Each of the side clamping assemblies (5) includes an adjusting screw (51) threaded through the side wall of the iron pipe (2), and the two adjusting screws (51) are symmetrically arranged along both sides of the iron pipe (2).

4. The iron pipe fitting for a lounge chair according to claim 3, characterized in that: The two adjusting screws (51) extend to the inside of the iron pipe (2) on one side close to each other, and the two adjusting screws (51) are respectively rotatably connected to the clamping arc plate (52) at one end close to each other.

5. The iron pipe fitting for a lounge chair according to claim 4, characterized in that: Rubber pads (53) are fixedly installed on one side of each of the two clamping arc plates (52) that are close to each other.

6. The iron pipe fitting for a lounge chair according to claim 5, characterized in that: Both the clamping arc plate (52) and the rubber pad (53) are arc-shaped structures.

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