CN215333866U

CN215333866U - Hexagon socket head cap screw fastener

Info

Publication number: CN215333866U
Application number: CN202120143192.7U
Authority: CN
Inventors: 叶国全
Original assignee: Yangjiang Demeng Hardware Products Co ltd
Current assignee: Yangjiang Demeng Hardware Products Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-12-28
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses an inner hexagonal screw fastener which comprises a screw head and a screw rod, wherein the lower end of the screw head is fixedly connected with the screw rod, the upper end of the screw head is provided with a first inner hexagonal slot, the lower end of the screw head is provided with two symmetrically arranged sliding grooves, conical clamping blocks are connected in the sliding grooves in a sliding mode, rotating rods are inserted into the upper ends of the conical clamping blocks, the rotating rods are in threaded connection with the conical clamping blocks, the upper ends of the rotating rods are rotatably connected with the side wall of the top end in the sliding grooves, worms are arranged in the sliding grooves, third gears meshed with the worms are fixedly sleeved on the rotating rods, one ends of the worms are rotatably connected with the inner side wall of the sliding grooves, object containing grooves are formed in the side wall of the inner bottom end in the first inner hexagonal slot, and hollow grooves are formed between the object containing grooves and the sliding grooves. According to the utility model, the position of the screw is reinforced through the arrangement of the adjusting mechanism, so that the screw is prevented from loosening to a certain extent.

Description

Hexagon socket head cap screw fastener

Technical Field

The utility model relates to the technical field of screws, in particular to a socket head cap screw fastener.

Background

The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener is widely used in the industries including energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, dies, hydraulic pressure and the like, various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical engineering, instruments, articles and the like, and the fastener is a mechanical basic part which is most widely applied.

The existing inner hexagonal screw fastener is single in structure, and after the fastener is used for a long time, the screw is easy to loosen, so that the fastening effect is lost, and certain hidden danger exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the inner hexagonal screw fastener has a single structure, and a screw is easy to loosen after long-term use, so that the fastening effect is lost, and certain hidden danger exists.

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

an inner hexagonal screw fastener comprises a screw head and a screw rod, wherein the lower end of the screw head is fixedly connected with the upper end of the screw rod, a first inner hexagonal slot is formed in the upper end of the screw head, two symmetrically-arranged sliding grooves are formed in the lower end of the screw head, conical clamping blocks are connected in the sliding grooves in a sliding mode, rotating rods are inserted into the upper ends of the conical clamping blocks, the rotating rods are in threaded connection with the conical clamping blocks, the upper ends of the rotating rods are rotatably connected with the side wall of the inner top end of each sliding groove, worms are arranged in the sliding grooves, third gears meshed with the worms are fixedly sleeved on the rotating rods, one ends of the worms are rotatably connected with the inner side wall of the sliding grooves, object containing grooves are formed in the side wall of the inner bottom end of each first inner hexagonal slot, hollow grooves are formed between the object containing grooves and the sliding grooves, and second gears are fixedly connected with the other ends of the worms through the hollow grooves, the article placing groove is characterized in that a first gear meshed with a second gear is rotatably connected to the side wall of the bottom end of the article placing groove, a connecting block is fixedly connected to the upper end of the first gear, and a second inner hexagonal slot is formed in the upper end of the connecting block.

Preferably, the side wall of the tapered fixture block is provided with a groove, a ball is rotationally connected in the groove, and the ball abuts against the inner side wall of the sliding groove.

Preferably, the number of the grooves is two, and the grooves are respectively located on two sides of the tapered fixture block.

Preferably, the rotating rod is rotatably sleeved with a first stabilizing ring, and the first stabilizing ring is fixedly connected with the side wall of the top end in the sliding groove.

Preferably, a second stabilizing ring is sleeved on the worm in a rotating mode and is fixedly connected with the inner side wall of the article holding groove.

Preferably, the screw is fixedly sleeved with a rubber pad, and the rubber pad is fixedly connected with the lower end of the screw head.

Has the advantages that:

1. when the device is used, firstly, an inner hexagonal wrench is inserted into an inner hexagonal slot to drive a screw head to rotate, a screw rod is driven to be screwed into an object through the screw head, after the screw head is completely screwed, a second inner hexagonal slot drives a connecting block to rotate, a first gear is driven to rotate through the connecting block, a worm is driven to rotate through the meshing action of the first gear and a second gear, a rotating rod is driven to rotate through the meshing action of the worm and a third gear, the rotating rod drives a conical clamping block to move downwards through the meshing action of threads, so that the conical clamping block is abutted against the surface of the object, and the screw head is prevented from loosening;

2. through the setting of ball, can reduce the resistance when the toper type fixture block removes, through the recess that two symmetries set up, the ball that two symmetries of mountable set up improves the stability when the toper type fixture block removes, through the setting of first stable ring, can improve the stability when the bull stick rotates, through the setting of second stable ring, can improve the stability when the worm rotates, through the setting of rubber pad, can improve the screw head and the fastening nature after the object is screwed up.

Drawings

FIG. 1 is a schematic structural view of a socket head cap screw fastener according to the present invention;

FIG. 2 is a schematic structural view of a socket head cap screw fastener according to the present invention at position A;

fig. 3 is a schematic structural diagram of a portion B of the socket head cap screw fastener according to the present invention.

In the figure: the device comprises a 1-conical clamping block, a 2-rotating rod, a 3-screw head, a 4-second gear, a 5-worm, a 6-screw, a 7-connecting block, an 8-first gear and a 9-third gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a hexagon socket head cap screw fastener comprises a screw head 3 and a screw rod 6, wherein the lower end of the screw head 3 is fixedly connected with the upper end of the screw rod 6, a rubber pad is fixedly sleeved on the screw rod 6 and used for improving the tightness of the screw head 3 after being screwed with an object, the rubber pad is fixedly connected with the lower end of the screw head 3, and a first hexagon socket head cap slot is arranged at the upper end of the screw head 3;

in the embodiment, the lower end of the screw head 3 is provided with two symmetrically arranged sliding grooves, the sliding grooves are connected with the conical fixture block 1 in a sliding manner and used for preventing the screw from loosening, the side walls of the conical fixture block 1 are provided with grooves, the grooves are connected with balls in a rotating manner and used for reducing resistance when the conical fixture block 1 moves, the balls are abutted against the inner side walls of the sliding grooves, the number of the grooves is two, the grooves are respectively located on two sides of the conical fixture block 1 and used for installing the two symmetrically arranged balls, and the stability when the conical fixture block 1 moves is improved;

in the embodiment, a rotating rod 2 is inserted at the upper end of a conical fixture block 1 and used for driving the conical fixture block 1 to move, the rotating rod 2 is in threaded connection with the conical fixture block 1, the upper end of the rotating rod 2 is rotationally connected with the side wall of the inner top end of the chute, a first stabilizing ring is rotatably sleeved on the rotating rod 2 and used for improving the stability of the drill rod 2 during rotation, and the first stabilizing ring is fixedly connected with the side wall of the inner top end of the chute;

in the embodiment, a worm 5 is arranged in the chute and used for driving a third gear 9 to rotate, the rotating rod 2 is fixedly sleeved with the third gear 9 meshed with the worm 5 and used for driving the rotating rod 2 to rotate, one end of the worm 5 is rotatably connected with the inner side wall of the chute, an article placing groove is arranged on the side wall of the inner bottom end of the first inner hexagonal slot, a hollow groove is arranged between the article placing groove and the chute, the other end of the worm 5 penetrates through the hollow groove and is fixedly connected with a second gear 4 and used for driving the worm 5 to rotate, a second stabilizing ring is rotatably sleeved on the worm 5 and used for improving the stability of the worm 5 during rotation, and the second stabilizing ring is fixedly connected with the inner side wall of the article placing groove;

in this embodiment, a first gear 8 engaged with the second gear 4 is rotatably connected to the side wall of the bottom end of the storage groove, and is used for driving the second gear 4 to rotate, a connecting block 7 is fixedly connected to the upper end of the first gear 8 and is used for driving the first gear 8 to rotate, and a second inner hexagonal slot is formed in the upper end of the connecting block 7;

in the embodiment, the socket head wrench is firstly inserted into a socket head slot to drive the screw head 3 to rotate, the screw head 3 drives the screw rod 6 to be screwed into an object, after the screw head is completely screwed in, the second socket head slot drives the connecting block 7 to rotate, the connecting block 7 drives the first gear 8 to rotate, the first gear 8 and the second gear 4 are meshed to drive the worm 5 to rotate, the worm 5 and the third gear 9 are meshed to drive the rotating rod 2 to rotate, the rotating rod 2 drives the conical fixture block 1 to move downwards through the meshing effect of the threads, and the conical fixture block 1 is abutted against the surface of the object, so that the screw head 3 is prevented from loosening.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a hexagon socket head cap screw fastener, includes screw head (3) and screw rod (6), its characterized in that: the lower end of the screw head (3) is fixedly connected with the upper end of the screw rod (6), a first inner hexagonal slot is formed in the upper end of the screw head (3), two symmetrically-arranged sliding grooves are formed in the lower end of the screw head (3), conical clamping blocks (1) are connected in the sliding grooves in a sliding mode, rotating rods (2) are inserted into the upper ends of the conical clamping blocks (1), the rotating rods (2) are in threaded connection with the conical clamping blocks (1), the upper ends of the rotating rods (2) are rotationally connected with the side wall of the inner top end of each sliding groove, worms (5) are arranged in the sliding grooves, third gears (9) meshed with the worms (5) are fixedly connected onto the rotating rods (2), one ends of the worms (5) are rotationally connected with the inner side wall of the sliding grooves, object placing grooves are formed in the inner bottom end of each first inner hexagonal slot, hollow grooves are formed between the object placing grooves and the sliding grooves, and second gears (4) are fixedly connected onto the other ends of the worms (5), put and rotate on the bottom end lateral wall in the thing groove and be connected with first gear (8) with second gear (4) engaged with, the upper end fixedly connected with connecting block (7) of first gear (8), the upper end of connecting block (7) is equipped with second hexagon socket head socket.

2. A socket head cap screw fastener according to claim 1, wherein: the side wall of the tapered clamping block (1) is provided with a groove, a ball is rotationally connected in the groove, and the ball is abutted to the inner side wall of the sliding groove.

3. A socket head cap screw fastener according to claim 2, wherein: the number of the grooves is two, and the grooves are respectively positioned on two sides of the conical fixture block (1).

4. A socket head cap screw fastener according to claim 1, wherein: the rotating rod (2) is rotatably sleeved with a first stabilizing ring, and the first stabilizing ring is fixedly connected with the side wall of the top end in the sliding groove.

5. A socket head cap screw fastener according to claim 1, wherein: and a second stabilizing ring is sleeved on the worm (5) in a rotating manner and is fixedly connected with the inner side wall of the article holding groove.

6. A socket head cap screw fastener according to claim 1, wherein: the screw rod (6) is fixedly sleeved with a rubber pad, and the rubber pad is fixedly connected with the lower end of the screw head (3).