Positioning structure for light steel connecting piece production

Abstract

The utility model discloses a positioning structure for light steel connecting piece production, and relates to the technical field of light steel connecting piece production. A supporting plate is fixedly installed at one end of the spot welding machine through a fixing frame, the inner end of the bottom of the supporting plate is rotationally connected with a two-way lead screw through a bearing, a pair of guiding blocks are installed on the outer surface of the two-way lead screw in a threaded mode, a pair of clamping plates are slidably connected to the top of the supporting plate, and the bottom surface of each clamping plate is fixedly connected with the surface of the corresponding guiding block. A tripod is fixedly installed at one end of the spot welder on one side of the supporting plate through a connecting frame, and a threaded rod is installed in the tripod on one side of the connecting frame in a threaded mode. Through cooperation of the supporting plate, the adjusting plate and other adjusting structures, the first connecting piece and the second connecting piece which are different in thickness can be supported and positioned, so that the situation that the production effect is affected due to angle deviation of the first connecting piece and the second connecting piece in the spot welding process is prevented, and the machining precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the production technology field of light steel connecting piece, concretely relates to a positioning structure for light steel connecting piece production. BACKGROUND

[0002] Light steel connecting piece refers to the spare part specially designed for connecting light steel keel, wall, ceiling and other building components to ensure the stability and safety of the whole structure, which plays a vital role in light steel structure building, and with the continuous progress of technology and the continuous development of building industry, the application of light steel connecting piece will be more extensive, bringing more development opportunities for building industry.

[0003] Light steel connecting piece spot welding production is a process involving multiple process links, spot welding is a welding method that uses the heat generated by the contact resistance between the workpieces to melt the contact surface metal of the workpieces, so that they diffuse each other to form a joint, which has the advantages of high production efficiency, low cost and easy automation, in the production process of light steel connecting piece spot welding processing, the workers generally hold two light steel connecting pieces, stack the two light steel connecting frame parts together, and then use the spot welding machine to weld the stacked position.

[0004] However, in the light steel connecting piece spot welding processing process, the operator manually holds the light steel connecting piece, which is easy to cause fatigue, and then causes the angle of the two light steel connecting pieces to deviate, which affects the welding effect of the light steel connecting piece and reduces the processing precision of the light steel connecting piece welding, therefore, it is necessary to provide a positioning structure for light steel connecting piece production to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a positioning structure for light steel connecting piece production to solve the problems raised in the background technology.

[0006] To solve the above technical problems, the utility model adopts the technical scheme of:

[0007] The utility model provides a positioning structure for light steel connecting piece production, including spot welder, one end of spot welder is fixedly installed through the fixed frame and has the support plate, the inner end of support plate bottom is rotatably connected with the two -way screw rod through the bearing, the outer surface of two -way screw rod is equipped with a pair of guide block, the top of support plate is connected with a pair of clamping plate, the bottom surface of each clamping plate is fixedly connected with the surface of each guide block respectively, the one end of spot welder of support plate one side is fixedly installed through the connecting frame and has the tripod, the inside of tripod one side of connecting frame is screw -threaded and is installed with the threaded rod, the top of threaded rod extends the inside of tripod and is rotatably installed with the adjusting plate through the bearing, the top surface of support plate is placed with first connecting piece, the top surface of adjusting plate of each clamping plate inner end is placed with second connecting piece, the bottom surface of second connecting piece is in accord with the surface of first connecting piece, the bottom inner end of adjusting plate of connecting frame top is rotatably installed with the two -way screw rod through the bearing, the outer surface of two -way screw rod is screw -threaded and is connected with a pair of guide block, the top of adjusting plate of second connecting piece both ends is slidably installed with the limit plate, the bottom surface of each limit plate is fixedly connected with the surface of each guide block respectively, the inside of each clamping plate is all set up with the clamping part for the first connecting piece top clamping, the inside of each limit plate is all set up with the limiting part for the second connecting piece top limiting.

[0008] In the light steel connecting piece spot welding process, the operator manually holds the light steel connecting piece, which is easy to cause fatigue, and then causes the angle of the two light steel connecting pieces to deviate, thereby affecting the welding effect of the light steel connecting piece and reducing the processing precision of the light steel connecting piece welding.

[0009] The further improvement of the utility model technical scheme lies in: each clamping part comprises a sliding block, the inner wall of each clamping plate is slidably connected with each sliding block, the top surface of each sliding block is fixedly provided with a first spring, the top surface of each first spring is fixedly connected with the inner wall of each clamping plate, and the inner end surface of each sliding block extends into the inside of each clamping plate and is fixedly provided with a pressing plate.

[0010] By adopting the above technical scheme, in the process that the clamping plate clamps the first connecting piece, the top of the first connecting piece is not limited, so that the first connecting piece is easy to slide to the top, thereby affecting the welding effect of the first connecting piece and the second connecting piece, and in the application, the first spring can form a bottom pushing force on the sliding block by the elastic force of the first spring, so that the pressing plate can clamp and limit the top of the first connecting piece, thereby avoiding affecting the welding effect of the first connecting piece and the second connecting piece.

[0011] The further improvement of the utility model technical scheme lies in: the inner end surface of each pressing plate is provided with an inclined surface inclined to the bottom.

[0012] By adopting the above technical scheme, in the process that the clamping plate clamps the first connecting piece, the top of the first connecting piece is not limited, so that the first connecting piece is easy to slide to the top, thereby affecting the welding effect of the first connecting piece and the second connecting piece, and in the application, the first spring can form a bottom pushing force on the sliding block by the elastic force of the first spring, so that the pressing plate can clamp and limit the top of the first connecting piece, thereby avoiding affecting the welding effect of the first connecting piece and the second connecting piece.

[0013] The further improvement of the utility model technical scheme lies in: the inclined surface of each pressing plate is smooth.

[0014] By adopting the above technical scheme, in the process that the clamping plate clamps the first connecting piece, the top of the first connecting piece is not limited, so that the first connecting piece is easy to slide to the top, thereby affecting the welding effect of the first connecting piece and the second connecting piece, and in the application, the first spring can form a bottom pushing force on the sliding block by the elastic force of the first spring, so that the pressing plate can clamp and limit the top of the first connecting piece, thereby avoiding affecting the welding effect of the first connecting piece and the second connecting piece.

[0015] The further improvement of the utility model technical scheme lies in: each clamping part comprises a sliding block, the inner wall of each clamping plate is slidably connected with each sliding block, the top surface of each sliding block is fixedly provided with a first spring, the top surface of each first spring is fixedly connected with the inner wall of each clamping plate, and the inner end surface of each sliding block extends into the inside of each clamping plate and is fixedly provided with a pressing plate, and the bottom surface of each pressing plate is attached to the surface of the first connecting piece.

[0016] Adopting the technical scheme, in the process that the limiting plate clamps the second connecting piece, the top of the second connecting piece is not limited, at this time, the second connecting piece is easy to slide to the top, thereby affecting the welding effect of the first connecting piece and the second connecting piece, and in the application, the elastic force of the second spring can form a pushing force to the bottom of the movable block, so that the pressing plate can clamp and limit the top of the second connecting piece, thereby avoiding affecting the welding effect of the first connecting piece and the second connecting piece.

[0017] The further improvement of the technical scheme of the utility model lies in that: the inner end surface of each pressing plate is provided with an inclined surface inclined to the bottom of the outer end.

[0018] Adopting the technical scheme, in the process that the limiting plate clamps the second connecting piece, the top of the second connecting piece is not limited, at this time, the second connecting piece is easy to slide to the top, thereby affecting the welding effect of the first connecting piece and the second connecting piece, and in the application, the elastic force of the second spring can form a pushing force to the bottom of the movable block, so that the pressing plate can clamp and limit the top of the second connecting piece, thereby avoiding affecting the welding effect of the first connecting piece and the second connecting piece.

[0019] The further improvement of the technical scheme of the utility model lies in that: the inner end surface of each pressing plate is provided with an inclined surface inclined to the bottom of the outer end.

[0020] Adopting the technical scheme, in the process that the limiting plate clamps the second connecting piece, the top of the second connecting piece is not limited, at this time, the second connecting piece is easy to slide to the top, thereby affecting the welding effect of the first connecting piece and the second connecting piece, and in the application, the elastic force of the second spring can form a pushing force to the bottom of the movable block, so that the pressing plate can clamp and limit the top of the second connecting piece, thereby avoiding affecting the welding effect of the first connecting piece and the second connecting piece.

[0021] The further improvement of the technical scheme of the utility model lies in that: the inner end surface of each pressing plate is provided with an inclined surface inclined to the bottom of the outer end.

[0022] Adopting the technical scheme, in the process that the limiting plate clamps the second connecting piece, the top of the second connecting piece is not limited, at this time, the second connecting piece is easy to slide to the top, thereby affecting the welding effect of the first connecting piece and the second connecting piece, and in the application, the elastic force of the second spring can form a pushing force to the bottom of the movable block, so that the pressing plate can clamp and limit the top of the second connecting piece, thereby avoiding affecting the welding effect of the first connecting piece and the second connecting piece.

[0023] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0024] 1. The utility model provides a positioning structure for light steel connecting piece production, through the mutual matching between support board, two -way screw rod and clamping plate, wherein the support board can ensure that first connecting piece horizontal placement, through to two -way screw rod is rotated, can drive two clamping plates from both ends to first connecting piece is clamped and is limited, through to screw rod is rotated, can adjust the height of adjusting plate according to the difference of first connecting piece thickness, and further ensure that first connecting piece and second connecting piece can just mutually adhere, and through the mutual cooperation between adjusting plate, two -way screw rod and limit board, wherein the adjusting plate can ensure that first connecting piece horizontal placement, through to two -way screw rod is rotated, can drive two limit boards from both ends to second connecting piece is clamped and is limited, thereby improve the precision of first connecting piece and second connecting piece welding processing.

[0025] 2. The utility model provides a positioning structure for light steel connecting piece production, through the mutual cooperation between clamping parts, can be clamped and limited to the top of first connecting piece, need not manual operation personnel to pull the pressing plate to the top, thereby reduce the operation step, improve work efficiency, and the inclined surface of pressing plate is smooth setting, reduce the wear and tear of first connecting piece to the surface of pressing plate, the protection effect to first connecting piece is played.

[0026] 3. The utility model provides a positioning structure for light steel connecting piece production, through the mutual cooperation between limit parts, can be clamped and limited to the top of second connecting piece, need not manual operation personnel to pull the pressing plate to the top, thereby reduce the operation step, improve work efficiency, and the inclined surface of pressing plate is smooth setting, reduce the wear and tear of second connecting piece to the surface of pressing plate, the protection effect to second connecting piece is played. DRAWINGS

[0027] The utility model will be further described below in connection with the drawings.

[0028] Figure 1 It is the perspective drawing of the utility model;

[0029] Figure 2 It is the spot welder local structure schematic view of the utility model;

[0030] Figure 3 It is the support board and adjusting plate local structure schematic view of the utility model;

[0031] Figure 4 It is the support board section local structure schematic view of the utility model;

[0032] Figure 5 It is the adjusting plate section local structure schematic view of the utility model.

[0033] In the figure: 1, spot welding machine; 2, support plate; 3, adjusting plate; 4, two-way screw rod; 5, clamping part; 501, sliding block; 502, pressing plate; 503, first spring; 6, limiting part; 601, movable block; 602, pressing plate; 603, second spring; 7, fixed frame; 8, connecting frame; 9, two-way screw rod; 10, first connecting piece; 11, second connecting piece; 12, tripod; 13, threaded rod; 15, sliding rod; 16, guide block; 17, guide block; 18, clamping plate; 19, limiting plate. DETAILED DESCRIPTION

[0034] The utility model makes further detailed explanation in combination with example:

[0035] Example 1

[0036] As shown in Figure 1 , Figure 4 and Figure 5 , the utility model provides a positioning structure for light steel connecting piece production, including spot welding machine 1, one end of spot welding machine 1 is fixedly installed with support plate 2 through fixed frame 7, and the inner end of the bottom of support plate 2 is rotatably connected with two-way screw rod 4 through bearing, and the outer surface of two-way screw rod 4 is threadedly installed with a pair of guide blocks 16, and the top of support plate 2 is slidably connected with a pair of clamping plates 18, and the bottom surface of each clamping plate 18 is fixedly connected with the surface of each guide block 16 respectively, and one end of spot welding machine 1 on the one side of support plate 2 is fixedly installed with tripod 12 through connecting frame 8, and the inside of tripod 12 on the one side of connecting frame 8 is threadedly installed with threaded rod 13, and the top of threaded rod 13 extends out of the inside of tripod 12 and is rotatably installed with adjusting plate 3 through bearing, and the top surface of support plate 2 is placed with first connecting piece 10, and the top surface of adjusting plate 3 in the inner end of each clamping plate 18 is placed with second connecting piece 11, and the bottom surface of second connecting piece 11 is attached to the surface of first connecting piece 10, and the bottom inner end of adjusting plate 3 on the top of connecting frame 8 is rotatably installed with two-way screw rod 9 through bearing, and the outer surface of two-way screw rod 9 is threadedly connected with a pair of guide blocks 17, and the top of adjusting plate 3 on both ends of second connecting piece 11 is slidably installed with limiting plate 19, and the bottom surface of each limiting plate 19 is fixedly connected with the surface of each guide block 17 respectively, and the inside of each clamping plate 18 is provided with clamping part 5 for clamping the top of first connecting piece 10, and the inside of each limiting plate 19 is provided with limiting part 6 for limiting the top of second connecting piece 11, and the bottom of adjusting plate 3 on the other side of connecting frame 8 is fixedly installed with a plurality of sliding rods 15, and each sliding rod 15 penetrates the inside of tripod 12.

[0037] In the embodiment, during the spot welding process of the light steel connecting piece, the operator manually holds the light steel connecting piece, which is easy to cause fatigue, and then causes the angle of the two light steel connecting pieces to deviate, thereby affecting the welding effect of the light steel connecting piece and reducing the processing precision of the light steel connecting piece welding, in the application, the first connecting piece 10 bottom surface can be supported by installing the support plate 2, and the first connecting piece 10 can be placed horizontally, the two guide blocks 16 are driven to slide by rotating the bidirectional screw rod 4, the two clamping plates 18 are driven to approach each other, and then the first connecting piece 10 is clamped and limited from both ends by the two clamping plates 18, so that the first connecting piece 10 is prevented from rotating in the horizontal direction, the height of the adjusting plate 3 is adjusted by rotating the threaded rod 13 according to the different thicknesses of the first connecting piece 10, so that the top surface of the adjusting plate 3 and the top surface of the first connecting piece 10 are located on the same horizontal line, after the second connecting piece 11 is placed on the top of the adjusting plate 3, the first connecting piece 10 can be placed horizontally, and the first connecting piece 10 and the second connecting piece 11 can be just attached to each other, so as to facilitate subsequent welding processing, the two guide blocks 17 are driven to slide by rotating the bidirectional screw rod 9, the two limiting plates 19 are driven to approach each other, and then the second connecting piece 11 is clamped and limited from both ends by the two limiting plates 19, so that the second connecting piece 11 is prevented from rotating in the horizontal direction, thereby improving the precision of the welding processing of the first connecting piece 10 and the second connecting piece 11, and the adjusting plate 3 is prevented from rotating by the sliding rod 15 sliding along the inner wall of the tripod 12 during the rotation of the threaded rod 13, so that the adjusting plate 3 can only keep linear movement, thereby preventing the angle of the limiting plate 19 from deviating and affecting the clamping effect of the second connecting piece 11.

[0038] Embodiment 2

[0039] As Figure 1 , Figure 3 and Figure 4 indicated, on the basis of embodiment 1, the utility model provides a technical scheme: preferably, each clamping part 5 includes a sliding block 501, each sliding block 501 is respectively connected with the inner wall of each clamping plate 18 in sliding mode, the top surface of each sliding block 501 is fixedly installed with a first spring 503, the top surface of each first spring 503 is respectively fixedly connected with the inner wall of each clamping plate 18, the inner end surface of each sliding block 501 extends into the interior of each clamping plate 18 and is fixedly installed with a pressing plate 502, the bottom surface of each pressing plate 502 is attached to the surface of the first connecting piece 10, the inner end surface of each pressing plate 502 is provided with a slope inclined to the bottom, and the slope of each pressing plate 502 is smooth.

[0040] In the embodiment, the first connecting piece 10 is not limited in position at the top during clamping of the first connecting piece 10 by the clamping plate 18, and at this time, the first connecting piece 10 is prone to sliding to the top, thereby affecting the welding effect of the first connecting piece 10 and the second connecting piece 11. In the application, the first spring 503 can form a pushing force to the bottom of the sliding block 501 through the elastic force of the first spring 503, so that the pressing plate 502 can clamp and limit the top of the first connecting piece 10, thereby avoiding affecting the welding effect of the first connecting piece 10 and the second connecting piece 11. The inclined surface is formed on the surface of the pressing plate 502, and during the process that the clamping plate 18 approaches the surface of the first connecting piece 10, the inclined surface of the pressing plate 502 first contacts the surface of the first connecting piece 10, and then reversely extrudes the pressing plate 502 to the top, so that the bottom surface of the pressing plate 502 contacts the surface of the first connecting piece 10, and the operator does not need to manually pull the pressing plate 502 to the top, thereby reducing the operation steps and improving the work efficiency. Moreover, the inclined surface of the pressing plate 502 is smoothly arranged, so as to reduce the friction between the inclined surface and the surface of the first connecting piece 10, thereby reducing the abrasion of the first connecting piece 10 and protecting the first connecting piece 10.

[0041] Embodiment 3

[0042] As shown in Figure 1 , Figure 3 and Figure 5 , on the basis of the embodiment 2, the utility model provides a technical scheme: preferably, each limiting part 6 includes movable block 601, each movable block 601 is connected with the inner wall of each limiting plate 19 in sliding mode, the top surface of each movable block 601 is fixedly installed with second spring 603, the top surface of each second spring 603 is fixedly connected with the inner wall of each limiting plate 19, the inner end surface of each movable block 601 extends to the inside of each limiting plate 19 and is fixedly installed with pressing plate 602, the bottom surface of each pressing plate 602 is attached to the surface of second connecting piece 11, the inner end surface of each pressing plate 602 is provided with inclined surface that is inclined to the bottom of the outer end, and the inclined surface of each pressing plate 602 is smoothly arranged.

[0043] In the embodiment, the top of the second connecting piece 11 is not limited during the clamping of the limiting plate 19 to the second connecting piece 11, and the second connecting piece 11 is prone to sliding to the top, thereby affecting the welding effect of the first connecting piece 10 and the second connecting piece 11. In the application, the second spring 603 can form a pushing force to the bottom of the movable block 601 by the elastic force of the second spring 603, so that the pressing plate 602 can clamp and limit the top of the second connecting piece 11, thereby avoiding affecting the welding effect of the first connecting piece 10 and the second connecting piece 11. By opening the inclined surface on the surface of the pressing plate 602, during the approach of the limiting plate 19 to the surface of the second connecting piece 11, the inclined surface of the pressing plate 602 first contacts the surface of the second connecting piece 11, and then reversely extrudes the pressing plate 602 to the top, so that the bottom surface of the pressing plate 602 contacts the surface of the second connecting piece 11, and the operator does not need to manually pull the pressing plate 602 to the top, thereby reducing the operation steps and improving the work efficiency. Moreover, the inclined surface of the pressing plate 602 is smoothly arranged, which can reduce the friction between the inclined surface and the surface of the second connecting piece 11, thereby reducing the wear of the second connecting piece 11 and protecting the second connecting piece 11.

[0044] The working principle of the positioning structure for the light steel connecting piece production will be specifically described below.

[0045] As shown in Figures 1-5 , the operator first places the first connecting piece 10 on the top of the supporting plate 2, and then rotates the bidirectional screw rod 4, which drives the two guide blocks 16 and the two clamping plates 18 to approach each other, so that the two clamping plates 18 clamp and limit the first connecting piece 10 from both ends, and the first spring 503 extrudes the pressing plate 502 to the bottom to clamp and limit the top surface of the first connecting piece 10. According to the different thicknesses of the first connecting piece 10, the operator rotates the threaded rod 13 to adjust the height of the adjusting plate 3, so that the top surface of the adjusting plate 3 is located on the same horizontal line as the top surface of the first connecting piece 10. After the adjustment is completed, the second connecting piece 11 is placed on the top of the adjusting plate 3, and the first connecting piece 10 and the second connecting piece 11 are attached to each other. Then, the bidirectional screw rod 9 is rotated, which drives the two guide blocks 17 and the two limiting plates 19 to approach each other, so that the two limiting plates 19 clamp and limit the second connecting piece 11 from both ends, and the second spring 603 extrudes the pressing plate 602 to the bottom to clamp and limit the top surface of the second connecting piece 11, thereby improving the welding precision of the first connecting piece 10 and the second connecting piece 11.

[0046] The above has made a detailed description of the general application, but some modifications or improvements can be made on the basis of the application, which is obvious to those skilled in the art. Therefore, without departing from the spirit and principles of the application, the modifications or improvements are within the protection scope of the application.

Claims

1. A positioning structure for light steel connector production, comprising a spot welding machine (1); characterized in that: One end of the spot welder (1) is fixedly installed with a support plate (2) through a fixing frame (7), the inner end of the bottom of the support plate (2) is rotatably connected with a bidirectional screw rod (4) through a bearing, the outer surface of the bidirectional screw rod (4) is threadedly installed with a pair of guide blocks (16), the top of the support plate (2) is slidably connected with a pair of clamping plates (18), the bottom surface of each clamping plate (18) is fixedly connected with the surface of each guide block (16) respectively, one end of the spot welder (1) on one side of the support plate (2) is fixedly installed with a tripod (12) through a connecting frame (8), the inside of the tripod (12) on one side of the connecting frame (8) is threadedly installed with a threaded rod (13), the top of the threaded rod (13) extends out of the inside of the tripod (12) and is rotatably installed with an adjusting plate (3) through a bearing, the top surface of the support plate (2) is placed with a first connecting piece (10), the top surface of the adjusting plate (3) at the inner end of each clamping plate (18) is placed with a second connecting piece (11), the bottom surface of the second connecting piece (11) is fitted with the surface of the first connecting piece (10), the bottom inner end of the adjusting plate (3) on the top of the connecting frame (8) is rotatably installed with a bidirectional screw rod (9) through a bearing, the outer surface of the bidirectional screw rod (9) is threadedly connected with a pair of guide blocks (17), the top of the adjusting plate (3) at both ends of the second connecting piece (11) is slidably installed with a limiting plate (19), the bottom surface of each limiting plate (19) is fixedly connected with the surface of each guide block (17) respectively, the inside of each clamping plate (18) is provided with a clamping part (5) for clamping the top of the first connecting piece (10), the inside of each limiting plate (19) is provided with a limiting part (6) for limiting the top of the second connecting piece (11).

2. The positioning structure for producing a light steel connecting piece according to claim 1, characterized in that: Each clamping part (5) comprises a sliding block (501), each sliding block (501) is slidably connected with the inner wall of each clamping plate (18), the top surface of each sliding block (501) is fixedly installed with a first spring (503), the top surface of each first spring (503) is fixedly connected with the inner wall of each clamping plate (18) respectively, the inner end surface of each sliding block (501) extends out of the inside of each clamping plate (18) and is fixedly installed with a pressing plate (502), the bottom surface of each pressing plate (502) is fitted with the surface of the first connecting piece (10).

3. The positioning structure for light steel connector production according to claim 2, characterized in that: The inner end surface of each pressing plate (502) is provided with an inclined surface inclined towards the outer end of the bottom.

4. The positioning structure for producing a light steel connecting piece according to claim 3, characterized in that: The inclined surface of each pressing plate (502) is smoothly arranged.

5. The positioning structure for light steel connecting piece production according to claim 1, characterized in that: Each of the limiting components (6) comprises a movable block (601), each of the movable blocks (601) is in sliding connection with the inner wall of each of the limiting plates (19), the top surface of each of the movable blocks (601) is fixedly installed with a second spring (603), the top surface of each of the second springs (603) is in fixed connection with the inner wall of each of the limiting plates (19), the inner end surface of each of the movable blocks (601) extends out of the interior of each of the limiting plates (19) and is fixedly installed with a pressing plate (602), and the bottom surface of each of the pressing plates (602) is in surface contact with the second connecting piece (11).

6. The positioning structure for light steel connecting piece production according to claim 5, characterized in that: The inner end surface of each of the pressing plates (602) is provided with an inclined surface inclined towards the bottom.

7. The positioning structure for light steel connector production according to claim 6, characterized in that: The inclined surface of each of the pressing plates (602) is smooth.

8. The positioning structure for producing a light steel connecting piece according to claim 1, characterized in that: The bottom of the adjusting plate (3) on the other side of the connecting frame (8) is fixedly installed with a plurality of slide rods (15), and each of the slide rods (15) penetrates the interior of the tripod (12).

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