CN216589496U

CN216589496U - High-tightness screw

Info

Publication number: CN216589496U
Application number: CN202122779275.8U
Authority: CN
Inventors: 马运虎
Original assignee: Quanzhou Bo'erte Auto Parts Co ltd
Current assignee: Quanzhou Bo'erte Auto Parts Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-05-24
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses a screw with high tightness, in particular to the technical field of screw height fastening, which comprises a plate, wherein the surface of the plate is provided with a round hole, a threaded rod penetrates through the inner cavity thread of the round hole, the top end of the threaded rod is provided with a nut head, one side of the nut headrest close to the plate is provided with a first spring, one end of the first spring, which is far away from the nut head, is provided with a gasket, the surface of the gasket is provided with two grooves, the inner cavities of the grooves are respectively provided with a fixing mechanism, a limiting block connected with a connecting rod on the gasket is firstly connected with a sliding groove and the inner cavity of a limiting groove in a sliding manner, the threaded rod is inserted into the plate through the round hole at the moment, the first spring is extruded by pulling the threaded rod, when the extrusion reaches the maximum limit, a locking nut is installed on the threaded rod through a drill bit, the locking nut is rotated to be attached to the plate, at the moment, the connecting rod and the limiting block are clamped with the sliding groove and the limiting groove, the first spring provides an elastic force, the nut head cannot be rotated by a large angle, so that the fastening of the threaded rod is preliminarily ensured.

Description

High-tightness screw

Technical Field

The utility model relates to the technical field of screw height fastening, in particular to a screw with high fastening degree.

Background

The screw is scarce in daily life and in industrial production and manufacturing, and the screw is also called industrial rice, so that the application of the screw is wide. The application range of the screw is as follows: electronic product, mechanical product, digital product, power equipment, electromechanical machine product, boats and ships, vehicle, hydraulic engineering also has the screw rod in the chemical experiment even, and current screw rod has not enough, and current screw rod is not enough fastened when using, and some screw rods need not artificially be dismantled, and oneself can drop gradually, cause various unnecessary damages, and we propose a high-tightness screw rod for this and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a high-tightness screw to solve the above technical problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

a high-tightness screw comprises a plate, wherein a circular hole is formed in the surface of the plate, a threaded rod penetrates through the thread of an inner cavity of the circular hole, a nut head is arranged at the top end of the threaded rod, a first spring is fixedly arranged on one side, close to the plate, of the nut head, a gasket is fixedly arranged at one end, far away from the nut head, of the first spring, two grooves are formed in the surface of the gasket, and fixing mechanisms are arranged in the inner cavities of the grooves;

the fixed establishment sets up in groove cavity's horizontal pole including fixed, the surface rotation of horizontal pole is equipped with rotates the cover, the fixed surface that rotates the cover is equipped with the telescopic link, the fixed cover that is equipped with in one end that the gasket was kept away from to the telescopic link, fixed sheatheeing in rotates and is equipped with the gag lever post, fixed being equipped with the second spring between fixed cover and the gag lever post, the both sides of nut head are all fixed and are equipped with the spliced pole, the fixed go-between that is equipped with in one end that the nut head was kept away from to the spliced pole, the gag lever post is equipped with the one end elasticity block that the one end of buckle runs through the inner chamber of go-between respectively and is equipped with the draw-in groove with fixed cover and is connected.

Furthermore, a screwing cavity is formed in the surface of the nut head, and an anti-skid film is arranged in an inner cavity of the screwing cavity.

Furthermore, the surface of the groove (16) is provided with a cover plate, the rectangular array on the surface of the cover plate is provided with four fixing rods, and one ends, far away from the nut head, of the fixing rods respectively penetrate through the surface of the cover plate and are connected with the gasket in an inserting mode.

Furthermore, the bottom end part of the threaded rod is fixedly provided with a drill bit rod, and the surfaces of the threaded rod and the drill bit rod are coated with antirust liquid.

Furthermore, a locking nut is sleeved on the bottom end part of the threaded rod in a threaded manner, and an anti-slip film is arranged on the surface of the locking nut.

Further, two sliding grooves are formed in the part, close to the nut head, of the threaded rod, and limiting grooves are formed in the two sides of the inner cavity of each sliding groove.

Further, one side of the gasket, which is far away from the first spring, is fixedly provided with two connecting rods, one end of the connecting rod, which is far away from the gasket, is fixedly provided with a limiting block, and the connecting rod and the limiting block are respectively connected with the inner cavities of the sliding groove and the limiting groove in a sliding manner.

Furthermore, one side of the gasket, which is far away from the first spring, and one side of the locking nut, which is close to the first spring, are respectively in fit contact with two sides of the plate.

The technical scheme can show that the utility model has the advantages that:

1. when needs fasten the threaded rod of installing, stopper and spout of connecting rod on the gasket are connected earlier, the inner chamber sliding connection of spacing groove, at this moment, the threaded rod injects the plate through the round hole on, the pulling threaded rod can extrude first spring, when extrudeing furthest, on installing the threaded rod through the drill bit pole locking nut, it makes its and plate laminating to rotate locking nut, at this moment because connecting rod and stopper have with the spout, the spacing groove block, and first spring has also given an elasticity, make the nut head can't be rotated by the wide-angle, thereby tentatively guaranteed the fastening of threaded rod.

2. Tear four dead levers open, take off the apron, fixed cover of pulling can drive the telescopic link and rotate on the horizontal pole through rotating the cover, when removing fixed cover relevant position, press the gag lever post, the gag lever post can extrude the second spring, at this moment fixed cover can separate with the gag lever post, the inner chamber of go-between is passed to the gag lever post, loosen the gag lever post, this moment under the spring action of second spring, the gag lever post can be connected with fixed cover block, the injecing to the nut head has been accomplished, make it unable quilt rotate, so that further reinforcing threaded rod's fastening nature.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic structural diagram of the plate member of the present invention.

FIG. 3 is a schematic cross-sectional view of a gasket according to the present invention.

FIG. 4 is an enlarged view of the structure A of the present invention.

Fig. 5 is a schematic view of the threaded rod of the present invention.

FIG. 6 is an enlarged view of the structure B of the present invention.

List of reference numerals: 1. a plate member; 11. a threaded rod; 12. a nut head; 13. screwing the cavity; 14. a first spring; 15. a gasket; 16. a groove; 17. a cover plate; 18. fixing the rod; 19. a drill rod; 2. connecting columns; 21. a connecting ring; 22. a cross bar; 23. rotating the sleeve; 24. a telescopic rod; 25. fixing a sleeve; 26. a limiting rod; 27. a second spring; 3. locking the nut; 4. a chute; 41. a connecting rod; 42. and a limiting block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

Example (b): as shown in fig. 1-6, the utility model provides a high-tightness screw, which includes a plate 1, wherein a circular hole is formed in the surface of the plate 1, a threaded rod 11 penetrates through the inner cavity thread of the circular hole, a nut head 12 is arranged at the top end of the threaded rod 11, a first spring 14 is fixedly arranged on one side of the nut head 12 close to the plate 1, a gasket 15 is fixedly arranged at one end of the first spring 14 far from the nut head 12, two grooves 16 are formed in the surface of the gasket 15, and fixing mechanisms are arranged in the inner cavities of the grooves 16;

fixed establishment sets up in the horizontal pole 22 of 16 inner chambers of recess including fixed, the surface rotation of horizontal pole 22 is equipped with rotates cover 23, the fixed surface that rotates cover 23 is equipped with telescopic link 24, the fixed cover 25 that is equipped with of one end that gasket 15 was kept away from to telescopic link 24, it is equipped with gag lever post 26 to rotate on the fixed cover 25, fixed being equipped with second spring 27 between fixed cover 25 and the gag lever post 26, the equal fixed spliced pole 2 that is equipped with in both sides of nut head 12, the fixed go-between 21 that is equipped with in one end that nut head 12 was kept away from to spliced pole 2, gag lever post 26 is equipped with the one end elastic clamping connection that the one end that the buckle runs through go-between 21's inner chamber respectively and be equipped with the draw-in groove with fixed cover 25, (buckle and draw-in the picture do not mark) when needs fasten installed threaded rod 11, stopper 42 and spout 4 a little, the stopper that is connected to connecting rod 41 on the gasket 15 earlier, The inner cavity of the limiting groove is connected in a sliding manner, at the moment, the threaded rod 11 is inserted into the plate 1 through the round hole, the first spring 14 is extruded by pulling the threaded rod 11, when the maximum limit is reached, the locking nut 3 is installed on the threaded rod 11 through the drill rod 19, the locking nut 3 is rotated to be attached to the plate 1, at the moment, because the connecting rod 41 and the limiting block 42 are clamped with the sliding groove 4 and the limiting groove, the first spring 14 also provides elastic force, the nut head 12 cannot be rotated in a large angle, the fastening of the threaded rod 11 is preliminarily ensured, then, the four fixing rods 18 are disassembled, the cover plate 17 is disassembled, the fixing sleeve 25 is pulled to drive the telescopic rod 24 to rotate on the transverse rod 22 through the rotating sleeve 23, when the fixing sleeve 25 is moved to a corresponding position, the limiting rod 26 is pressed, the limiting rod 26 can extrude the second spring 27, at the moment, the fixing sleeve 25 can be separated from the limiting rod 26, the limiting rod 26 passes through the inner cavity of the connecting ring 21, the limiting rod 26 is loosened, at the moment, under the action of the elastic force of the second spring 27, the limiting rod 26 is clamped and connected with the fixed sleeve 25, the limitation on the nut head 12 is completed, and the nut head cannot be rotated, so that the tightness of the threaded rod 11 can be further fastened.

The surface of the nut head 12 is provided with a screwing cavity 13, the inner cavity of the screwing cavity 13 is provided with an anti-slip film, and the anti-slip film can prevent the nut head 12 from being screwed to slip.

The surface of recess 16 all is equipped with apron 17, the surperficial rectangular array of apron 17 is equipped with four dead levers 18, and the dead lever 18 one end of keeping away from nut head 12 runs through the surface of apron 17 respectively and pegs graft with gasket 15, and apron 17 can seal the protection to the fixed establishment in recess 16 inner chamber.

Threaded rod 11 bottom part is fixed and is equipped with drill bit pole 19, and threaded rod 11 and drill bit pole 19's surface all is scribbled the antirust liquid, and the antirust liquid can prevent to appear stinging the phenomenon because rust leads to threaded rod 11.

The locking nut 3 is sleeved on the bottom end part of the threaded rod 11 through threads, an anti-slip film is arranged on the surface of the locking nut 3, and the anti-slip film can prevent the locking nut 3 from being damaged by screwing, so that the service life of the locking nut is prolonged.

Two sliding grooves 4 are formed in the part, close to the nut head 12, of the threaded rod 11, limiting grooves are formed in the two sides of the inner cavity of each sliding groove 4, and the limiting blocks 42 connected with the connecting rods 41 on the gaskets 15 are connected with the sliding grooves 4 and the inner cavities of the limiting grooves in a sliding mode.

The fixed two connecting rods 41 that are equipped with in one side that keep away from first spring 14 of gasket 15, the fixed stopper 42 that is equipped with in one end that is equipped with of gasket 15 is kept away from to connecting rod 41, connecting rod 41 and stopper 42 respectively with the inner chamber sliding connection of spout 4 and spacing groove, because connecting rod 41 and stopper 42 have clamped with spout 4, spacing groove, and first spring 14 has also given an elasticity for nut head 12 can't be rotated by the wide-angle, thereby has tentatively guaranteed the fastening of threaded rod 11.

One side that first spring 14 was kept away from to gasket 15 and lock nut 3 are close to one side of first spring 14 respectively with the both sides laminating contact of plate 1, and gasket 15 and lock nut 3 can guarantee that plate 1 is fastened.

The working principle is as follows: when the installed threaded rod 11 needs to be fastened, the limiting block 42 connected with the connecting rod 41 on the gasket 15 is connected with the sliding groove 4 and the inner cavity of the limiting groove in a sliding mode, at the moment, the threaded rod 11 is inserted into the plate 1 through the circular hole, the first spring 14 can be extruded by pulling the threaded rod 11, when the extrusion is performed to the maximum limit, the locking nut 3 is installed on the threaded rod 11 through the drill rod 19, the locking nut 3 is rotated to be attached to the plate 1, at the moment, because the connecting rod 41 and the limiting block 42 are clamped with the sliding groove 4 and the limiting groove, the first spring 14 also provides elastic force, the nut head 12 cannot be rotated in a large angle, the fastening of the threaded rod 11 is ensured preliminarily, then, the four fixing rods 18 are detached, the cover plate 17 is taken down, the fixing sleeve 25 is pulled to drive the telescopic rod 24 to rotate on the transverse rod 22 through the rotating sleeve 23, and when the fixing sleeve 25 is moved to the corresponding position, pressing the limiting rod 26, the limiting rod 26 extrudes the second spring 27, the fixing sleeve 25 is separated from the limiting rod 26, the limiting rod 26 penetrates through the inner cavity of the connecting ring 21, the limiting rod 26 is loosened, the limiting rod 26 is clamped and connected with the fixing sleeve 25 under the action of the elastic force of the second spring 27, the limitation on the nut head 12 is completed, and the nut head cannot be rotated, so that the tightness of the threaded rod 11 is further enhanced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-tightness screw comprises a plate (1) and is characterized in that: the plate is characterized in that a round hole is formed in the surface of the plate (1), a threaded rod (11) penetrates through an inner cavity thread of the round hole, a nut head (12) is arranged at the top end of the threaded rod (11), a first spring (14) is fixedly arranged on one side, close to the plate (1), of the nut head (12), a gasket (15) is fixedly arranged at one end, far away from the nut head (12), of the first spring (14), two grooves (16) are formed in the surface of the gasket (15), and fixing mechanisms are arranged in inner cavities of the grooves (16);

fixed establishment sets up in horizontal pole (22) of recess (16) inner chamber including fixed, the surface rotation of horizontal pole (22) is equipped with rotates cover (23), the fixed surface that rotates cover (23) is equipped with telescopic link (24), the one end that gasket (15) were kept away from in telescopic link (24) is fixed and is equipped with fixed cover (25), it is equipped with gag lever post (26) to rotate on fixed cover (25), fixed second spring (27) that are equipped with between fixed cover (25) and gag lever post (26), the both sides of nut head (12) are all fixed and are equipped with spliced pole (2), the one end that nut head (12) were kept away from in spliced pole (2) is fixed and is equipped with go-between (21), the one end elasticity block that the one end that gag lever post (26) were equipped with the buckle runs through the inner chamber of go-between (21) respectively and was equipped with the draw-in groove with fixed cover (25) is connected.

2. A high-tightness screw as claimed in claim 1, wherein: the surface of the nut head (12) is provided with a screwing cavity (13), and an inner cavity of the screwing cavity (13) is provided with an anti-skid film.

3. A high-tightness screw as claimed in claim 1, wherein: the surface of recess (16) all is equipped with apron (17), the surperficial rectangular array of apron (17) is equipped with four dead levers (18), and the dead lever (18) keep away from the surface of nut head (12) and run through the surface of apron (17) respectively and peg graft with gasket (15).

4. A high-tightness screw as claimed in claim 1, wherein: the bottom end of the threaded rod (11) is fixedly provided with a drill bit rod (19), and the surfaces of the threaded rod (11) and the drill bit rod (19) are coated with antirust liquid.

5. A high-tightness screw as claimed in claim 1, wherein: and the bottom end part of the threaded rod (11) is in threaded sleeve connection with a locking nut (3), and an anti-slip film is arranged on the surface of the locking nut (3).

6. A high-tightness screw as claimed in claim 1, wherein: two sliding grooves (4) are formed in the portion, close to the nut head (12), of the threaded rod (11), and limiting grooves are formed in the two sides of the inner cavity of each sliding groove (4).

7. A high-tightness screw as claimed in claim 1, wherein: the fixed two connecting rods (41) that are equipped with in one side that first spring (14) were kept away from in gasket (15), the fixed stopper (42) that is equipped with in one end that gasket (15) were kept away from in connecting rod (41), connecting rod (41) and stopper (42) respectively with spout (4) and the inner chamber sliding connection of spacing groove.

8. A high-tightness screw as claimed in claim 1, wherein: one side of the gasket (15) far away from the first spring (14) and one side of the locking nut (3) close to the first spring (14) are respectively in contact with two sides of the plate (1) in an attaching mode.