CN220470426U - Novel high-strength fastener - Google Patents

Abstract

The utility model discloses a novel high-strength fastener, which belongs to the technical field of part fastening and comprises a first bolt, wherein a first screw head is fixedly arranged at the top of the first bolt, a second bolt is screwed in an inner cavity of the first bolt, the top of the second bolt penetrates through the first screw head and is fixedly connected with the second screw head, a protective cover is movably sleeved on the outer side of the first screw head, a second rotating rod is rotatably connected to the bottom of the inner cavity of the protective cover, a rotating disc is fixedly sleeved on the outer side of the second rotating rod, connecting rods are connected to the top of the rotating disc, the number of the connecting rods is four, the connecting rods are distributed in a circular array, and the top of the inner cavity of the protective cover is rotatably connected with the first rotating rod. The utility model can strengthen the fastening effect with parts, has simple structure, is convenient for operators to operate, can protect the device, avoids the screw head from oxidation and corrosion, prolongs the service life of the device and reduces the use cost.

Description

Novel high-strength fastener

Technical Field

The utility model relates to the technical field of part fastening, in particular to a novel high-strength fastener.

Background

In the industrial production process, different parts are required to be assembled, so that the parts can cooperate with each other, and in order to ensure that the connection between the parts is more stable, special mechanical parts are often adopted for connection, so that the different parts can be tightly connected, and a special fastener is used.

The patent document with publication number CN211288390U discloses a bolt fastener, including a bolt, the top of a bolt is provided with the hexagon bolt head, and the top of hexagon bolt head is provided with a cross groove, the outside of a bolt is provided with the nut, and the inside of a bolt is provided with No. two bolts, the top of No. two bolts is provided with No. two cross grooves, and the bottom of No. two bolts is provided with the drill bit. According to the utility model, the hexagonal bolt head and the first cross groove are arranged, the nut is fixed through the spanner, the screwdriver is aligned to the first cross groove at the top of the hexagonal bolt head, and the screwdriver is screwed to fix parts, so that when the first cross groove is rusted and the first bolt cannot be taken out due to long-time use, the hexagonal bolt head can be screwed through the hexagonal spanner to take out the first bolt, and various dismantling and fixing modes are realized, so that the problem of single bolt head shape of the bolt fastener is solved.

The device in the technical scheme has poor fastening effect, is inconvenient for tightly connecting parts, reduces the working efficiency of the device, cannot protect the screw head, is easily oxidized and corroded due to long-time exposure to air, and reduces the service life of the device; we therefore propose a new high strength fastener to address this problem.

Disclosure of Invention

The present utility model is directed to a novel high strength fastener that solves the above-mentioned problems set forth in the background art.

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

the utility model provides a novel high strength fastener, includes first bolt, the top fixed mounting of first bolt has first spiral shell head, the inner chamber spiro union of first bolt has the second bolt, the top of second bolt runs through first spiral shell head and fixedly connected with second spiral shell head, the outside movable sleeve of first spiral shell head is equipped with the protection casing, the bottom rotation of protection casing inner chamber is connected with the second bull stick, the outside fixed sleeve of second bull stick is equipped with the rolling disc, the top of rolling disc is connected with the connecting rod, the quantity of connecting rod is four, and is circular array distribution, the top of protection casing inner chamber rotates and connects first bull stick, the quantity of first bull stick is four, and is circular array distribution, the bottom of first bull stick runs through protection casing and fixedly connected with locating piece, one side fixedly connected with rectangular piece of first bull stick.

Preferably, one side of the connecting rod is fixedly connected with one side of the rectangular block, one side of the connecting rod is fixedly connected with a spring, and one side of the spring is fixedly connected with the inner wall of the protective cover.

Preferably, the left and right sides at first spiral shell head top is all fixed mounting has the cushion, the rotation groove has been seted up at the top of second spiral shell head.

Preferably, the top of second bull stick runs through the protection casing and fixedly connected with diaphragm, the top fixed mounting of diaphragm has the arc.

Preferably, a limiting plate matched with the first rotating rod is fixedly arranged in the inner cavity of the protective cover.

Preferably, the movable sleeve at the outer side of the first bolt is provided with a screw sleeve.

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

1. according to the utility model, the cushion block drives the first screw head to rotate through the forward rotation cushion block, the first screw head drives the first bolt to rotate, and then the second screw head drives the second bolt to rotate through the rotating groove, so that the fastening effect with parts can be enhanced, the structure is simple, and the operation of staff is convenient.

2. According to the utility model, the arc plate drives the transverse plate to rotate by 90 degrees through forward rotation, the transverse plate drives the rotating disc to rotate through the second rotating rod, the rotating disc drives the connecting rod to rotate, the connecting rod drives the first rotating rod to rotate through the rectangular block and simultaneously stretches the spring, and the first rotating rod drives the positioning block to rotate, so that the device can be protected, the screw head is prevented from being oxidized and corroded, the service life of the device is prolonged, and the use cost is reduced.

Drawings

FIG. 1 is a schematic perspective view of a novel high strength fastener according to the present utility model;

FIG. 2 is a schematic perspective view of another view of a novel high strength fastener according to the present utility model;

FIG. 3 is a schematic view of a partial structure of a novel high strength fastener of the present utility model;

FIG. 4 is a schematic cross-sectional view of a novel high strength fastener of the present utility model;

fig. 5 is a partial enlarged view of a portion a in fig. 3.

In the figure: 1. a first bolt; 2. a second bolt; 3. a screw sleeve; 4. a first screw head; 5. a second screw head; 6. a cushion block; 7. a protective cover; 8. a rotating disc; 9. a connecting rod; 10. a first rotating lever; 11. a limiting plate; 12. a positioning block; 13. a rotating groove; 14. a second rotating rod; 15. a cross plate; 16. rectangular blocks; 17. a spring; 18. an arc-shaped plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, a novel high strength fastener, including first bolt 1, the top fixed mounting of first bolt 1 has first spiral shell head 4, the inner chamber spiro union of first bolt 1 has second bolt 2, the top of second bolt 2 runs through first spiral shell head 4 and fixedly connected with second spiral shell head 5, the outside movable sleeve of first spiral shell head 4 is equipped with protection casing 7, the bottom rotation of protection casing 7 inner chamber is connected with second bull stick 14, the outside fixed cover of second bull stick 14 is equipped with rolling disc 8, the top of rolling disc 8 is connected with connecting rod 9, the quantity of connecting rod 9 is four, and be circular array distribution, the top rotation of protection casing 7 inner chamber is connected with first bull stick 10, the quantity of first bull stick 10 is four, and be circular array distribution, the bottom of first bull stick 10 runs through protection casing 7 and fixedly connected with locating piece 12, one side fixedly connected with rectangle piece 16 of first bull stick 10, through connecting rod 9, the connection of rolling disc 8 and first bull stick 10 has been strengthened, the convenience of staff's operation.

In this embodiment, one side of connecting rod 9 and one side fixed connection of rectangle piece 16, one side fixedly connected with spring 17 of connecting rod 9, one side of spring 17 and the inner wall fixed connection of protection casing 7, the left and right sides at first spiral shell head 4 top is all fixed mounting has cushion 6, and rotation groove 13 has been seted up at the top of second spiral shell head 5, through spring 17, can reset connecting rod 9.

In this embodiment, the top of the second bull stick 14 runs through protection casing 7 and fixedly connected with diaphragm 15, and the top fixed mounting of diaphragm 15 has arc 18, and the inner chamber fixed mounting of protection casing 7 has the limiting plate 11 with first bull stick 10 looks adaptation, and the outside movable sleeve of first bolt 1 is equipped with swivel nut 3, through limiting plate 11, can improve the stability in use of first bull stick 10.

In this embodiment, when using, through corotation cushion 6, cushion 6 drives first spiral shell head 4 rotation, first spiral shell head 4 drives first bolt 1 rotation, then corotation second spiral shell head 5 through rotary slot 13, second spiral shell head 5 drives second bolt 2 rotation, can strengthen the fastening effect with the part, when need dismantle protection casing 7, 90 degrees corotation arc 18 earlier, arc 18 drive diaphragm 15 rotation, diaphragm 15 drives the rotation of rolling disc 8 through second bull stick 14, rolling disc 8 drives connecting rod 9 rotation, connecting rod 9 drives first bull stick 10 rotation through rectangular piece 16 and simultaneously extension spring 17, first bull stick 10 drives locating piece 12 rotation, can protect the device.

The novel high-strength fastener provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (6)

1. Novel high strength fastener, including first bolt (1), its characterized in that: the top fixed mounting of first bolt (1) has first spiral shell head (4), the inner chamber spiro union of first bolt (1) has second bolt (2), the top of second bolt (2) runs through first spiral shell head (4) and fixedly connected with second spiral shell head (5), the outside movable sleeve of first spiral shell head (4) is equipped with protection casing (7), the bottom rotation of protection casing (7) inner chamber is connected with second bull stick (14), the outside fixed sleeve of second bull stick (14) is equipped with rolling disc (8), the top of rolling disc (8) is connected with connecting rod (9), the quantity of connecting rod (9) is four, and is circular array distribution, the top rotation of protection casing (7) inner chamber is connected with first bull stick (10), the quantity of first bull stick (10) is four, and is circular array distribution, the bottom of first bull stick (10) runs through protection casing (7) and fixedly connected with locating piece (12), one side fixedly connected with rectangle piece (16) of first bull stick (10).

2. A novel high strength fastener as claimed in claim 1 wherein: one side of the connecting rod (9) is fixedly connected with one side of the rectangular block (16), one side of the connecting rod (9) is fixedly connected with a spring (17), and one side of the spring (17) is fixedly connected with the inner wall of the protective cover (7).

3. A novel high strength fastener as claimed in claim 1 wherein: cushion blocks (6) are fixedly arranged on the left side and the right side of the top of the first screw head (4), and a rotating groove (13) is formed in the top of the second screw head (5).

4. A novel high strength fastener as claimed in claim 1 wherein: the top of the second rotating rod (14) penetrates through the protective cover (7) and is fixedly connected with a transverse plate (15), and an arc-shaped plate (18) is fixedly arranged at the top of the transverse plate (15).

5. A novel high strength fastener as claimed in claim 1 wherein: the inner cavity of the protective cover (7) is fixedly provided with a limiting plate (11) which is matched with the first rotating rod (10).

6. A novel high strength fastener as claimed in claim 1 wherein: the outside movable sleeve of the first bolt (1) is provided with a screw sleeve (3).