Double-end screw structure

Abstract

The utility model discloses a double-end screw structure, which relates to the field of screws and comprises a first screw rod and a second screw rod, a connecting assembly is arranged between the first screw rod and the second screw rod, a connecting shell is arranged between the first screw rod and the second screw rod, and a first fixing plate is fixedly connected to one end, facing the connecting shell, of the first screw rod. The second fixing plate is fixedly connected to the end, facing the connecting shell, of the first screw rod, the locking assembly is arranged in the connecting shell, and the first fixing plate and the second fixing plate are installed on the side of the connecting shell through the locking assembly. The first screw rod, the second screw rod and the connecting assembly are used in a matched mode, the first screw rod and the second screw rod can be assembled on the two sides of the connecting shell through the first fixing plate, the second fixing plate and the locking assembly, and therefore the screw rods of different sizes can be assembled for use, and the practical performance of the screw rod is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of screw, especially a double -end screw structure. BACKGROUND

[0002] The double -end screw is generally formed by tapping at both ends of a steel rod material, and is generally used in mine machinery, bridges, automobiles, motorcycles, boiler steel structures, tower cranes, large-span steel structures and large buildings.

[0003] Since the double -end screw is made of a steel rod material and has threads formed at both ends, the thread sizes at both ends of the double -end screw are the same, so when two components are installed and the installation hole diameters of the two installation components are different, a screw rod and a nut with different diameters are needed to fix them, and the double -end screw with the same size at both ends does not meet the installation requirements, thus having certain defects. SUMMARY

[0004] The utility model aims at providing a double -end screw structure to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a double -end screw structure, comprising a first screw rod and a second screw rod;

[0006] A connecting assembly is arranged between the first screw rod and the second screw rod, and the connecting assembly comprises:

[0007] A connecting housing is arranged between the first screw rod and the second screw rod;

[0008] A first fixed plate and a second fixed plate are fixedly connected to one end of the first screw rod and one end of the first screw rod towards the connecting housing;

[0009] A locking assembly is arranged inside the connecting housing, and the first fixed plate and the second fixed plate are installed on the side of the connecting housing through the locking assembly.

[0010] Preferably, the locking assembly comprises:

[0011] A connecting block is fixedly connected to the opposite side of the first fixed plate and the second fixed plate;

[0012] A connecting plate and a locking plate are fixedly connected to the side of the locking plate, and the connecting block is clamped with the connecting housing through the locking plate.

[0013] Preferably, the side of the connecting shell is provided with a connecting hole, the outer wall of the connecting block is slidably sleeved with the connecting hole, the top of the connecting block is provided with a locking hole, and the outer wall of the locking plate is slidably connected with the inner cavity of the locking hole.

[0014] Preferably, the front surface of the connecting shell is provided with a mounting hole, the inner cavity of the mounting hole is slidably sleeved with a button, the side of the connecting plate towards the button is fixedly connected with a fixed rod, and the end of the fixed rod is fixedly connected with a guide rod.

[0015] Preferably, the side of the connecting shell is provided with a connecting hole, the outer wall of the connecting block is slidably sleeved with the connecting hole, the top of the connecting block is provided with a locking hole, and the outer wall of the locking plate is slidably connected with the inner cavity of the locking hole.

[0016] Preferably, the inner wall of the connecting shell is fixedly connected with a fixed block, the side of the button is provided with a sliding groove, the inner cavity of the sliding groove is fixedly connected with a connecting rod, the outer wall of the connecting rod is slidably inserted and sleeved with the fixed block, the outer wall of the connecting rod is slidably sleeved with a limiting spring, and the limiting spring is located on the front surface of the fixed block.

[0017] The technical effects and advantages of the present application are as follows:

[0018] The present application utilizes the cooperation of the first screw rod, the second screw rod and the connecting assembly, the connecting assembly comprises a connecting shell, a first fixed plate, a second fixed plate and a locking assembly, the first screw rod and the second screw rod can be assembled on the two sides of the connecting shell through the first fixed plate, the second fixed plate and the locking assembly, so that screw rods of different sizes can be assembled and used, thereby improving the practical performance. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a whole structure schematic view of the present application.

[0020] Fig. 2 It is a front internal structure schematic view of the present application.

[0021] Fig. 3 It is a connecting shell side internal structure schematic view of the present application.

[0022] In the figure: 1, first screw rod; 2, second screw rod; 3, connecting assembly; 31, connecting shell; 32, first fixed plate; 33, second fixed plate; 34, locking assembly; 341, connecting block; 342, connecting plate; 343, locking plate; 344, button; 345, fixed rod; 346, guide rod; 347, sliding hole; 348, connecting groove; 349, fixed block; 3410, limiting spring; 3411, connecting rod. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] The utility model provides a kind of double-end screw structure as Figs. 1-3 As shown in a kind of double-end screw structure, including first screw rod 1 and second screw rod 2, first screw rod 1 and second screw rod 2 between being provided with connecting assembly 3, connecting assembly 3 includes connecting shell 31, first fixed plate 32, second fixed plate 33 and locking assembly 34, under the action of connecting assembly 3, different sizes of first screw rod 1 and second screw rod 2 can be assembled into a double-end screw and be used, to improve its practical performance, connecting shell 31 is arranged between first screw rod 1 and second screw rod 2, first fixed plate 32 is fixedly connected to the end of first screw rod 1 towards connecting shell 31, second fixed plate 33 is fixedly connected to the end of first screw rod 1 towards connecting shell 31, locking assembly 34 is arranged inside connecting shell 31, first fixed plate 32 and second fixed plate 33 are both installed on the side of connecting shell 31 by locking assembly 34, i.e. under the action of locking assembly 34, first fixed plate 32 and second fixed plate 33 can be stably installed on the two sides of connecting shell 31, so that first screw rod 1 and second screw rod 2 are installed on the two sides of connecting shell 31, and first fixed plate 32, second fixed plate 33 and locking assembly 34 can be combined to form a gasket whole, for being installed between the double-end screw fastening two components.

[0025] Especially, locking assembly 34 includes connecting block 341, connecting plate 342 and locking plate 343, the opposite side of first fixed plate 32 and second fixed plate 33 is fixedly connected with connecting block 341, the side of locking plate 343 is fixedly connected with connecting plate 342, connecting plate 342 is slidably arranged inside connecting shell 31, and the two connecting plates 342 in the interior of connecting shell 31 are symmetrically arranged, i.e. locking plate 343 is located on the side opposite to the two connecting plates 342, and the two locking plates 343 on one side of connecting plate 342 are symmetrically arranged, connecting block 341 is clamped with connecting shell 31 through locking plate 343, the side of connecting shell 31 is provided with connecting hole, the outer wall of connecting block 341 is slidably sleeved with connecting hole, the top of connecting block 341 is provided with locking hole, the outer wall of locking plate 343 is slidably clamped with the inner cavity of locking hole, i.e. the two locking plates 343 on connecting plate 342 can lock the two connecting blocks 341 on the opposite side of first fixed plate 32 and second fixed plate 33, so as to lock first fixed plate 32 and second fixed plate 33 on the two sides of connecting shell 31.

[0026] Furthermore, a mounting hole is provided on the front of the connecting housing 31, and a button 344 is slidably fitted into the inner cavity of the mounting hole. A fixing rod 345 is fixedly connected to the side of the connecting plate 342 facing the button 344, and a guide rod 346 is fixedly connected to the end of the fixing rod 345. An inclined sliding hole 347 is provided on one side of the button 344, and the outer wall of the guide rod 346 is slidably fitted into the inner cavity of the sliding hole 347. A connecting groove 348 communicating with the inner cavity of the sliding hole 347 is provided on the side of the button 344. Fig. 3 As shown, the sliding hole 347 has a certain tilt angle, which presses the button 344 into the connecting housing 31. Under the action of the sliding hole 347 and the guide rod 346 on the button 344, the connecting plate 342 drives the locking plate 343 to slide toward the button 344, thereby separating the locking plate 343 from the connecting block 341. The first fixing plate 32 and the second fixing plate 33 can be disassembled, thereby separating the first screw rod 1 and the second screw rod 2, so as to select the appropriate size of the first screw rod 1 and the second screw rod 2 for assembly according to the actual use.

[0027] Furthermore, fixing blocks 349 are symmetrically fixedly connected to the inner wall of the connecting housing 31. A sliding groove is provided on the side of the button 344. The outer wall of the fixing block 349 is slidably sleeved with the inner cavity of the sliding groove. A connecting rod 3411 is fixedly connected to the inner cavity of the sliding groove. The outer wall of the connecting rod 3411 is slidably inserted and sleeved with the fixing block 349. Under the action of the connecting rod 3411 and the fixing block 349, the button 344 can be in a stable state and slidably connected with the connecting housing 31. A limit spring 3410 is slidably sleeved on the outer wall of the connecting rod 3411. The limiting spring 3410 is located on the front of the fixing block 349. The limiting spring 3410 can give the button 344 a spring force, so that after the button 344 is squeezed into the connecting housing 31, after the button 344 is released, the button 344 can slide back to its original position under the action of the limiting spring 3410. The side of the fixing block 349 away from the limiting spring 3410 is in contact with the inner wall of the slide groove. When one side of the fixing block 349 is in contact with the inner wall of the slide groove, the front of the button 344 and the front of the connecting housing 31 are on the same plane.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A double-end screw structure, comprising a first screw rod (1) and a second screw rod (2); characterized in that A connecting assembly (3) is arranged between the first screw rod (1) and the second screw rod (2), and the connecting assembly (3) comprises: a connecting housing (31) arranged between the first screw rod (1) and the second screw rod (2); a first fixed plate (32) fixedly connected to one end of the first screw rod (1) towards the connecting housing (31), and a second fixed plate (33) fixedly connected to one end of the first screw rod (1) towards the connecting housing (31); a locking assembly (34) arranged inside the connecting housing (31), and the first fixed plate (32) and the second fixed plate (33) are both mounted on the side of the connecting housing (31) through the locking assembly (34).

2. The dual-ended screw structure of claim 1, wherein The locking assembly (34) comprises: a connecting block (341) fixedly connected to the opposite side of the first fixed plate (32) and the second fixed plate (33); a connecting plate (342) and a locking plate (343), the side of the locking plate (343) is fixedly connected with the connecting plate (342), and the connecting block (341) is clamped with the connecting housing (31) through the locking plate (343).

3. A double-ended screw structure according to claim 2, wherein The side of the connecting housing (31) is provided with a connecting hole, the outer wall of the connecting block (341) is slidably sleeved with the connecting hole, the top of the connecting block (341) is provided with a locking hole, and the outer wall of the locking plate (343) is slidably clamped with the inner cavity of the locking hole.

4. The dual-ended screw structure of claim 3, wherein The front surface of the connecting housing (31) is provided with a mounting hole, the inner cavity of the mounting hole is slidably sleeved with a button (344), one side of the connecting plate (342) towards the button (344) is fixedly connected with a fixed rod (345), and the end of the fixed rod (345) is fixedly connected with a guide rod (346).

5. A double-ended screw structure according to claim 4, wherein One side of the button (344) is provided with an inclined sliding hole (347), the outer wall of the guide rod (346) is slidably sleeved with the inner cavity of the sliding hole (347), and the side of the button (344) is provided with a connecting groove (348) in communication with the inner cavity of the sliding hole (347).

6. A double-ended screw structure according to claim 5, wherein The inner wall of the connecting housing (31) is fixedly connected with a fixed block (349) in a symmetrical manner, the side of the button (344) is provided with a sliding groove, the inner cavity of the sliding groove is fixedly connected with a connecting rod (3411), the outer wall of the connecting rod (3411) is slidably inserted and sleeved with the fixed block (349), the outer wall of the connecting rod (3411) is slidably sleeved with a limiting spring (3410), and the limiting spring (3410) is located on the front surface of the fixed block (349).

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