CN212429476U - Screw assembly - Google Patents

Abstract

The utility model discloses a screw assembly, which comprises a screw, a rotating block and a cross groove, wherein the rotating block is fixed at the top of the screw, the cross groove is arranged on the upper surface of the rotating block, a gasket is arranged at one end of the screw close to the rotating block, a first through hole is arranged in the middle of the gasket, the screw is positioned on the inner wall of the first through hole, a deformable assembly is fixed at one end of the gasket, the assembly comprises connecting blocks, a limiting block, a limiting groove, a fixed column, a sliding block, a kidney-shaped hole and a T-shaped connecting plate, connecting blocks are symmetrically fixed at one end of the gasket, a limiting block is fixed at one end of the two connecting blocks close to the gasket, the limiting block is fixedly connected with the gasket, a limiting groove is arranged in the middle of the limiting block, the fixed column is fixed at one end of the two connecting blocks far away from, the utility model discloses can prevent that the screw rod is not hard up, and can deform, use different installation scenes, the people of being convenient for use.

Description

Screw assembly

Technical Field

The utility model relates to a screw technical field specifically is a screw combination piece.

Background

Screws are commonly used in machinery, electrical appliances, buildings, etc., and are generally made of metal or plastic, and are cylindrical, and grooves with concave and convex surfaces engraved thereon are called threads. The main function of a screw is to engage two objects or to fix the position of an object, but the existing screws are easy to loosen when in use, resulting in the fall-off of the fastened workpiece, and therefore, a screw assembly is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw sub-assembly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a screw combination piece, includes the screw rod, changes piece and cross recess, the screw rod top is fixed with changes the piece, change the piece upper surface and seted up the cross recess, the one end that the screw rod is close to changes the piece is equipped with the gasket, first through-hole has been seted up at the gasket middle part, and the screw rod is located first through-hole inner wall, the gasket is the quadrangle setting, just the gasket is stereoplasm elastic material's cambered plate, gasket one end is fixed with deformable sub-assembly.

Preferably, the sub-assembly includes connecting block, stopper, spacing groove, fixed column, slider, waist type hole and T shape connecting plate, gasket one end symmetry is fixed with the connecting block, two the one end that the connecting block is close to the gasket is fixed with the spacing block, and stopper and gasket fixed connection, the spacing groove has been seted up at the stopper middle part, two the one end that the stopper was kept away from to the connecting block is fixed with the fixed column, two sliding connection has the slider between the connecting block, waist type hole has been seted up at the slider middle part, and the fixed column is located waist type downthehole wall, the slider is pegged graft with the spacing groove, the one end that the stopper was kept away from to the slider is fixed.

Preferably, the four corners of the gasket are provided with oblique chamfers.

Preferably, the upper surface of the gasket is provided with grooves at equal intervals along the radial direction.

Preferably, the rotary block is fixed with protrusions at equal intervals on the lower surface, and the protrusions are clamped with the grooves.

Preferably, the middle part of the T-shaped connecting plate is provided with a second through hole.

Preferably, the screw and the rotating block are both made of alloy steel.

Preferably, the gasket is made of a high-carbon steel material.

Preferably, one end of the sliding block, which is close to the limiting block, is arranged in an arc shape.

Preferably, the bottom of the screw is provided with a chamfer.

Compared with the prior art, the beneficial effects of the utility model are that:

when the utility model is used, the screw rod is sleeved on the inner wall of the first through hole on the gasket, the flat assembly or the bent assembly is selected according to the existing installation condition, people can fix the T-shaped connecting plate on the installation surface by passing through the second through hole through the screw, when the flat assembly is arranged, people can level the T-shaped connecting plate and the gasket, and then slide the slider into the limiting groove, when people need to bend the assembly, the slider is taken out from the limiting groove, at the moment, people can rotate the T-shaped connecting plate, further the slider rotates on the fixed column, people can pass through the second through hole through the screw, fix the T-shaped connecting plate on the plane vertical to the installation surface, at the moment, people insert the screw rod into the cross groove through the screwdriver, tighten the screw rod in the threaded hole, and enable the rotating block to extrude the surface of the gasket, because the gasket is arranged in a cambered surface, and the middle part hunches up, the gasket constitutes for high carbon steel material and has certain elasticity, make people when screwing up the screw rod, the rotating block extrudees the gasket upper surface, make the gasket take place to deform, give a pretightning force of rotating block, prevent that the screw rod is not hard up, and be equipped with the arch on the rotating block lower surface, recess joint on arch and the gasket, after screwing up the screw rod, in the protruding chucking recess, make the rotating block can' T rotate again, the fixed T shape connecting plate that gets up of cooperation, can prevent the rotating block and rotate, and then can prevent that the screw rod is not hard up, this device can prevent that the screw rod is not hard up, and can deform, different installation scenes have been used, and.

Drawings

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

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic structural diagram of the assembly of the present invention;

fig. 4 is a schematic view of the rotating block structure of the present invention.

In the figure: 1. a screw; 2. rotating the block; 3. a cross groove; 4. a gasket; 5. a first through hole; 6. an assembly; 61. connecting blocks; 62. a limiting block; 63. a limiting groove; 64. fixing a column; 65. a slider; 66. a kidney-shaped hole; 67. a T-shaped connecting plate; 7. a groove; 8. a protrusion; 9. a second via.

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, 2 and 3, a screw assembly in the drawing includes a screw rod 1, a rotating block 2 and a cross groove 3, the rotating block 2 is fixed on the top of the screw rod 1, the screw rod 1 and the rotating block 2 are both made of alloy steel, a chamfer is arranged at the bottom of the screw rod 1, the cross groove 3 is arranged on the upper surface of the rotating block 2, a gasket 4 is arranged at one end of the screw rod 1 close to the rotating block 2, the gasket 4 is made of high-carbon steel, the gasket 4 is arranged in a quadrilateral shape, the gasket 4 is an arc-shaped plate made of hard elastic material, a first through hole 5 is arranged in the middle of the gasket 4, the screw rod 1 is positioned on the inner wall of the first through hole 5, and a deformable assembly 6 is fixed at one end of the gasket 4.

The four corners of the gasket 4 are provided with oblique chamfers to prevent hand cutting.

Referring to fig. 1 and 3, the assembly 6 includes a connecting block 61, a limiting block 62, a limiting groove 63, a fixing column 64, a sliding block 65, a waist-shaped hole 66 and a T-shaped connecting plate 67, the connecting block 61 is symmetrically fixed at one end of the gasket 4, the limiting block 62 is fixed at one end of the two connecting blocks 61 close to the gasket 4, the limiting block 62 is fixedly connected with the gasket 4, the limiting groove 63 is formed in the middle of the limiting block 62, the fixing column 64 is fixed at one end of the two connecting blocks 61 far from the limiting block 62, the sliding block 65 is slidably connected between the two connecting blocks 61, one end of the sliding block 65 close to the limiting block 62 is arranged in an arc shape, the waist-shaped hole 66 is formed in the middle of the sliding block 65, the fixing column 64 is located on the inner wall of the waist-shaped hole 66, the sliding block 65 is inserted into, and a second through hole 9 is formed in the middle of the T-shaped connecting plate 67, so that the screw rod 1 is prevented from loosening.

Referring to fig. 3 and 4, the upper surface of the gasket 4 is provided with grooves 7 at equal intervals along the radial direction, the lower surface of the rotating block 2 is fixed with protrusions 8 at equal intervals, and the protrusions 8 are clamped with the grooves 7, so that the rotating block 2 and the gasket 4 are limited conveniently.

The working principle is as follows:

when the T-shaped connecting plate is used, the screw 1 is sleeved on the inner wall of the first through hole 5 on the gasket 4, the flat-placing assembly 6 or the bent assembly 6 is selected according to the existing installation condition, the T-shaped connecting plate 67 can be fixed on the installation surface by people passing through the second through hole 9 through screws, when the flat-placing assembly 6 is placed, the T-shaped connecting plate 67 and the gasket 4 are placed flat by people, then the sliding block 65 slides into the limiting groove 63, when people need to bend the assembly 6, the sliding block 65 is taken out of the limiting groove 63, at the moment, the T-shaped connecting plate 67 can be rotated by people, the sliding block 65 is rotated on the fixed column 64, the T-shaped connecting plate 67 is fixed on a plane vertical to the installation surface by people passing through the screws through the second through hole 9, at the moment, the people are inserted into the cross groove 3 through a screwdriver, the screw 1 is screwed in the threaded hole, the rotating block, make the four corners and the mounting surface contact of gasket 4, and the middle part hunches up, gasket 4 constitutes for high carbon steel material and has certain elasticity, make people when screwing up screw rod 1, change 2 extrusion gaskets 4 upper surfaces of piece, make gasket 4 take place deformation, give 2 pretightning forces of piece, prevent that screw rod 1 is not hard up, and be equipped with protruding 8 on changing 2 lower surfaces of piece, protruding 8 and the recess 7 joint on the gasket 4, screw rod 1 after screwing up, in protruding 8 chucking recess 7, make change 2 unable rotations again of piece, the T shape connecting plate 67 that the cooperation was fixed, can prevent to change 2 rotations of piece, and then can prevent that screw rod 1 from not hard up.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 (10)

1. A screw assembly, comprising: including screw rod (1), commentaries on classics piece (2) and cross recess (3), screw rod (1) top is fixed with commentaries on classics piece (2), cross recess (3) have been seted up to commentaries on classics piece (2) upper surface, the one end that screw rod (1) is close to commentaries on classics piece (2) is equipped with gasket (4), first through-hole (5) have been seted up at gasket (4) middle part, and screw rod (1) is located first through-hole (5) inner wall, gasket (4) are the quadrangle setting, just gasket (4) are stereoplasm elastic material's cambered surface board, gasket (4) one end is fixed with deformable sub-assembly (6).

2. The screw assembly of claim 1, wherein: the combined part (6) comprises connecting blocks (61), limiting blocks (62), limiting grooves (63), fixing columns (64), sliding blocks (65), waist-shaped holes (66) and T-shaped connecting plates (67), the connecting blocks (61) are symmetrically fixed at one end of the gasket (4), the limiting blocks (62) are fixed at one ends, close to the gasket (4), of the two connecting blocks (61), the limiting blocks (62) are fixedly connected with the gasket (4), the limiting grooves (63) are formed in the middle of the limiting blocks (62), the fixing columns (64) are fixed at one ends, far away from the limiting blocks (62), of the two connecting blocks (61), the sliding blocks (65) are connected between the two connecting blocks (61) in a sliding mode, the waist-shaped holes (66) are formed in the middles of the sliding blocks (65), the fixing columns (64) are located on the inner walls of the waist-shaped holes (66), and the sliding blocks, and a T-shaped connecting plate (67) is fixed at one end of the sliding block (65) far away from the limiting block (62).

3. The screw assembly of claim 1, wherein: and oblique chamfers are arranged at four corners of the gasket (4).

4. The screw assembly of claim 1, wherein: the upper surface of the gasket (4) is provided with grooves (7) at equal intervals along the radial direction.

5. The screw assembly of claim 1, wherein: the lower surface of the rotating block (2) is fixed with protrusions (8) at equal intervals, and the protrusions (8) are connected with the grooves (7) in a clamped mode.

6. The screw assembly of claim 2, wherein: and a second through hole (9) is formed in the middle of the T-shaped connecting plate (67).

7. The screw assembly of claim 1, wherein: the screw rod (1) and the rotating block (2) are both made of alloy steel.

8. The screw assembly of claim 1, wherein: the gasket (4) is made of a high-carbon steel material.

9. The screw assembly of claim 2, wherein: one end of the sliding block (65) close to the limiting block (62) is arranged in an arc shape.

10. The screw assembly of claim 1, wherein: and a chamfer is arranged at the bottom of the screw rod (1).

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