CN219986651U - Overlap joint pipe fitting structure and automobile seat framework comprising same - Google Patents

Abstract

The utility model discloses a lap joint pipe fitting structure and an automobile seat framework comprising the same, wherein the lap joint pipe fitting structure comprises two side plates and two movable plates, the two side plates are matched with the two movable plates to form a square frame, through grooves are formed in the upper surfaces of the two side plates, and limiting sliding pieces used for fixing the positions of the movable plates are arranged in the through grooves. Through placing the tubular product between two curb plates, the position of fixed fly leaf through spacing slider afterwards, make two fly leaves be located the tubular product both sides respectively, then put into the upper end opening of logical groove with the stifled strip, the fixed position of stifled strip of rethread bolted connection spare, make the movable part contact of stifled strip and spacing slider, the rethread extrusion subassembly drives two fixed plates and is close to the tubular product surface afterwards, accomplish the extrusion fixedly, after the welding is accomplished, demolish the both sides fly leaf can, the tip of whole welding process tubular product is all fixed, avoid the condition that appears warping because of the welded part is heated, machining precision has been improved.

Description

Overlap joint pipe fitting structure and automobile seat framework comprising same

Technical Field

The utility model relates to the technical field of pipe lap joint structures, in particular to a lap joint pipe fitting structure and an automobile seat framework comprising the same.

Background

At present, the back spareribs frame of car seat mostly adopts the pipe fitting as the girder, and it has simple structure, the advantage that the cost of manufacturing mould is low, and the pipe fitting includes pipe, side pipe etc. outside the side pipe had above-mentioned two advantages, compare the pipe still light in weight, promote welding quality and optimize the advantage of welding manufacturing, car seat skeleton welding frock has directly decided car seat skeleton's welding precision and fastness.

The girder needs to be fixed at skeleton middle part at skeleton welded in-process, and the girder is at welded in-process, needs the handheld girder of staff, fixes it between the skeleton, carries out the preliminary fixed of spot welding, and because there is not the centre gripping of frock at the welding in-process, the part is heated and warp greatly, leads to unable leveling to align between the tip of girder and the skeleton, and the precision is lower.

Disclosure of Invention

The present utility model has for its object to solve the above-mentioned problems a lap joint pipe structure and a car seat frame comprising the same, as described in detail below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a lap joint pipe fitting structure which comprises two side plates and two movable plates, wherein the two side plates are matched with the two movable plates to form a square frame, through grooves are formed in the upper surfaces of the two side plates, limiting sliding parts used for fixing the positions of the movable plates are arranged in the two through grooves, blocking strips matched with movable parts of the limiting sliding parts are arranged at the openings of the upper ends of the two through grooves, bolt connecting parts used for fixing the positions of the blocking strips are arranged at the inner bottoms of the two through grooves, fixed plates are arranged on the opposite surfaces of the two movable plates, and extrusion assemblies used for driving the two fixed plates to be close to or far away from each other are arranged in the middle parts of the two movable plates.

Adopt above-mentioned overlap joint pipe fitting structure, place tubular product between two curb plates when using, then fix the position of fly leaf through spacing slider, make two fly leaves be located the tubular product both sides respectively, then put into the upper end opening of logical groove with the stifled strip, the position of the fixed stifled strip of rethread bolted connection spare, make the movable part contact of stifled strip and spacing slider, then rethread extrusion subassembly drives two fixed plates and is close to the tubular product surface, accomplish the extrusion fixedly, after the welding is accomplished, demolish the both sides fly leaf can.

Preferably, the limiting sliding piece comprises T-shaped cutting bars fixedly connected to two ends of the movable plate, and a plurality of limiting grooves spliced with the T-shaped cutting bars are formed in the through grooves.

Preferably, the T-shaped cutting and the blocking strip are in clearance fit with the through groove.

Preferably, the bolt connecting piece comprises a first bolt rotationally connected to the middle part of the plugging strip, and a first bolt hole in threaded connection with the first bolt is formed in the middle part of the inner bottom of the through groove.

Preferably, the extrusion assembly comprises a second bolt hole formed in the middle of the movable plate, a second bolt is connected to the second bolt hole in a threaded mode, and the end portion of the second bolt is connected with the fixed plate in a rotating mode.

The utility model also provides an automobile seat framework, which comprises the seat framework and any one of the lap joint pipe fitting structures, wherein the middle part of the seat framework is provided with a pipe fitting matched with the distance between the two side plates.

Preferably, a reinforcing plate is fixedly connected between the seat framework and the side plate.

The beneficial effects are that:

through placing the tubular product between two curb plates, the position of fixed fly leaf through spacing slider afterwards, make two fly leaves be located the tubular product both sides respectively, then put into the upper end opening of logical groove with the stifled strip, the fixed position of stifled strip of rethread bolted connection spare, make the movable part contact of stifled strip and spacing slider, the rethread extrusion subassembly drives two fixed plates and is close to the tubular product surface afterwards, accomplish the extrusion fixedly, after the welding is accomplished, demolish the both sides fly leaf can, the tip of whole welding process tubular product is all fixed, avoid the condition that appears warping because of the welded part is heated, machining precision has been improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of the present utility model;

fig. 2 is a disassembled perspective view of the movable plate of the present utility model.

The reference numerals are explained as follows:

1. a side plate; 2. a movable plate; 3. a limit slider; 3a, T-shaped cutting; 3b, a limit groove; 4. a bolt connection; 4a, a first bolt hole; 4b, a first bolt; 5. an extrusion assembly; 5a, a second bolt hole; 5b, a second bolt; 6. a through groove; 7. plugging strips; 8. a reinforcing plate; 9. a seat frame; 10. a pipe fitting; 11. and a fixing plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

Referring to fig. 1-2, the utility model provides a lap joint pipe fitting structure, which comprises two side plates 1 and two movable plates 2, wherein the two side plates 1 and the two movable plates 2 are matched to form a square frame, through grooves 6 are formed in the upper surfaces of the two side plates 1, limiting sliding parts 3 used for fixing the positions of the movable plates 2 are arranged in the two through grooves 6, blocking strips 7 matched with the movable parts of the limiting sliding parts 3 are arranged at the upper end openings of the two through grooves 6, bolt connecting parts 4 used for fixing the positions of the blocking strips 7 are arranged at the inner bottoms of the two through grooves 6, fixed plates 11 are arranged on the opposite surfaces of the two movable plates 2, and extrusion assemblies 5 used for driving the two fixed plates 11 to be close to or far away from each other are arranged in the middle of the two movable plates 2.

As an alternative embodiment, the limiting sliding part 3 comprises T-shaped cutting 3a fixedly connected to two ends of the movable plate 2, a plurality of limiting grooves 3b spliced with the T-shaped cutting 3a are formed in the through groove 6, the T-shaped cutting 3a and the blocking strip 7 are in clearance fit with the through groove 6, and when the T-shaped cutting 3a is inserted into the limiting grooves 3b at different positions, the position of the movable plate 2 is changed accordingly, so that the pipe fitting 10 with different thicknesses can be fixed.

As an alternative embodiment, the bolt connecting piece 4 comprises a first bolt 4b rotatably connected to the middle part of the plugging strip 7, a first bolt hole 4a in threaded connection with the first bolt 4b is formed in the middle part of the inner bottom of the through groove 6, and when the plugging strip 7 is positioned in the through groove 6, the first bolt 4b is rotated to move in the first bolt hole 4a to drive the plugging strip 7 to squeeze the T-shaped cutting 3a, so that the T-shaped cutting 3a is prevented from moving out of the limiting groove 3 b.

As an alternative embodiment, the extrusion assembly 5 includes a second bolt hole 5a formed in the middle of the movable plate 2, a second bolt 5b is screwed in the second bolt hole 5a, and an end of the second bolt 5b is rotatably connected with the fixed plate 11, and the second bolt 5b is rotated to move in the second bolt hole 5a, so as to drive the fixed plate 11 to move, and fix the pipe 10.

The utility model also provides an automobile seat framework, which comprises the seat framework 9 and any one of the above overlap joint pipe fitting structures, wherein the middle part of the seat framework 9 is provided with a pipe fitting 10 which is matched with the interval between the two side plates 1.

Specifically, the reinforcing plate 8 is fixedly connected between the seat frame 9 and the side plate 1, so that the support between the pipe fitting 10 and the seat frame 9 is more stable and firm.

By adopting the structure, when the pipe is used, the pipe is placed between the two side plates 1, then the positions of the movable plates 2 are fixed through the limiting sliding piece 3, the two movable plates 2 are respectively positioned on two sides of the pipe, then the blocking strip 7 is placed into the upper end opening of the through groove 6, the position of the blocking strip 7 is fixed through the bolt connecting piece 4, the blocking strip 7 is contacted with the movable part of the limiting sliding piece 3, then the two fixed plates 11 are driven by the extrusion assembly 5 to be close to the surface of the pipe, extrusion fixation is completed, and after welding is completed, the movable plates 2 on two sides are removed.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (7)

1. An overlap joint pipe fitting structure, its characterized in that: including two curb plates (1) and two fly leaf (2), and two curb plates (1) and two fly leaf (2) cooperation form square frame, two logical groove (6) have all been seted up to the upper surface of curb plate (1), two all be provided with in logical groove (6) and be used for fixed limiting slip spare (3) of fly leaf (2) position, two the upper end opening part of logical groove (6) all be equipped with limiting slip spare (3) movable part adaptation stifled strip (7), two the inner bottom department of logical groove (6) all is provided with bolted connection spare (4) that are used for fixing stifled strip (7) position, two all be equipped with fixed plate (11) on the opposite face of fly leaf (2), and the middle part of two fly leaf (2) all is provided with and is used for driving two fixed plate (11) and is close to each other or extrusion subassembly (5) that keep away from.

2. A lap joint pipe arrangement according to claim 1, wherein: the limiting sliding piece (3) comprises T-shaped cutting bars (3 a) fixedly connected to two ends of the movable plate (2), and a plurality of limiting grooves (3 b) which are spliced with the T-shaped cutting bars (3 a) are formed in the through grooves (6).

3. A lap joint pipe arrangement according to claim 2, wherein: the T-shaped cutting (3 a) and the blocking strip (7) are in clearance fit with the through groove (6).

4. A lap joint pipe arrangement according to claim 1, wherein: the bolt connecting piece (4) comprises a first bolt (4 b) rotatably connected to the middle of the plugging strip (7), and a first bolt hole (4 a) in threaded connection with the first bolt (4 b) is formed in the middle of the inner bottom of the through groove (6).

5. A lap joint pipe arrangement according to claim 1, wherein: the extrusion assembly (5) comprises a second bolt hole (5 a) formed in the middle of the movable plate (2), a second bolt (5 b) is connected in the second bolt hole (5 a) in a threaded mode, and the end portion of the second bolt (5 b) is connected with the fixed plate (11) in a rotating mode.

6. An automotive seat frame comprising a seat frame (9) and a lap joint tube arrangement according to any one of claims 1-5, characterized in that: the middle part of the seat framework (9) is provided with a pipe fitting (10) which is matched with the space between the two side plates (1).

7. An automobile seat frame as defined in claim 6, wherein: a reinforcing plate (8) is fixedly connected between the seat framework (9) and the side plate (1).