CN209875697U

CN209875697U - Industrial screw capable of effectively preventing looseness

Info

Publication number: CN209875697U
Application number: CN201920643887.4U
Authority: CN
Inventors: 刘付林
Original assignee: Dongtai City Huawei Standard Component Co Ltd
Current assignee: Dongtai City Huawei Standard Component Co Ltd
Priority date: 2019-05-04
Filing date: 2019-05-04
Publication date: 2019-12-31
Anticipated expiration: 2029-05-04

Abstract

The utility model discloses a can effectively prevent industrial screw that becomes flexible, including the double-screw bolt that is used for the fastening, the lower extreme welding of double-screw bolt has the cusp, and the surface of double-screw bolt is provided with the external screw thread, the upper end welding of double-screw bolt has the spiral shell head, and the lower surface of spiral shell head is provided with the rubber pad, the lower fixed surface of rubber pad is connected with the spring, the cross recess has been seted up to the upper surface intermediate position of spiral shell head, the cavity has been seted up between the upper and lower surface intermediate position of rubber pad, and the internal surface of cavity has seted up the draw-in groove. Can effectively prevent not hard up industrial screw, adopt rubber pad and spring to make up into locking structure, improve extrusion force between the contact surface and fill the space with reinforcing mounting structure's stability to can effectively prevent not hard up, draw-in groove external screw thread block realizes the inseparable installation of rubber pad, is suitable for different working conditions, brings better use prospect.

Description

Industrial screw capable of effectively preventing looseness

Technical Field

The utility model relates to a screw field, in particular to can effectively prevent not hard up industrial screw.

Background

The screw is used as a fastener to play a role in fastening or fastening, and is fixed through the interaction of the external thread and the internal thread screwed into the machine body, and the screw is commonly used in the connection of industrial parts; the existing screw has certain defects in use, the extrusion force between contact surfaces is low, a fastening gap exists, the stability of a screw mounting structure is reduced, the anti-loosening effect is poor, and certain influence is brought to the use of the screw.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a can effectively prevent not hard up industrial screw, can effectively solve the problem in the background art.

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

the utility model provides a can effectively prevent not hard up industrial screw, is including the double-screw bolt that is used for the fastening, the lower extreme welding of double-screw bolt has the cusp, and the surface of double-screw bolt is provided with the external screw thread, the upper end welding of double-screw bolt has the spiral shell head, and the lower surface of spiral shell head is provided with the rubber pad, the lower fixed surface of rubber pad is connected with the spring, the cross recess has been seted up to the upper surface intermediate position of spiral shell head, the cavity has been seted up between the upper and lower surface intermediate position of rubber pad, and the internal surface of cavity has seted up the draw-in groove.

Preferably, the angle of the cusp is sixty degrees.

Preferably, the screw head is of a cylindrical head structure, and the stud and the screw head are both made of carbon steel.

Preferably, the spring is of a spiral structure, and the spring is coated on the outer surface of the stud.

Preferably, the cavity and the stud are correspondingly matched.

Preferably, a plurality of groups of the clamping grooves are annularly distributed along the inner diameter of the rubber pad.

Compared with the prior art, the utility model discloses following beneficial effect has: this can prevent effectively not hard up industrial screw adopts rubber pad and spring combination to make up into locking structure, and when the mounting screw, the spring compression improves the extrusion force between the contact surface to under the sealed of rubber pad, fill the space in order to strengthen mounting structure's stability, thereby can prevent effectively not hard up, the mounting area of draw-in groove increase rubber pad, and with the external screw thread block, realize the inseparable installation of rubber pad, whole screw simple structure, convenient operation, the effect of use is better for traditional mode.

Drawings

FIG. 1 is a schematic view of an overall structure of an industrial screw capable of effectively preventing loosening according to the present invention;

FIG. 2 is a top view of an industrial screw according to the present invention, which is effective in preventing loosening;

fig. 3 is a schematic structural diagram of the rubber pad of the industrial screw according to the present invention, which can effectively prevent loosening.

In the figure: 1. a stud; 2. a dental tip; 3. an external thread; 4. a screw head; 5. a rubber pad; 6. a spring; 7. a cross groove; 8. a cavity; 9. a clamping groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, an industrial screw capable of effectively preventing looseness includes a screw bolt 1 for fastening, a tooth point 2 is welded at the lower end of the screw bolt 1, an external thread 3 is arranged on the outer surface of the screw bolt 1, a screwing force is transmitted to a region to be fastened through the tooth point 2, the tooth point 2 is embedded into a connector under the action of the screwing force, and the installation of a special screw is realized through the interaction between the external thread 3 and a contact surface, a screw head 4 is welded at the upper end of the screw bolt 1, the screw bolt 1 and the screw head 4 are combined into a main body structure of the screw, a rubber pad 5 is arranged on the lower surface of the screw head 4, a spring 6 is fixedly connected to the lower surface of the rubber pad 5, the rubber pad 5 and the spring 6 are combined into a locking structure, when the screw is installed, the spring 6 is compressed to improve the extrusion force between the contact surfaces, and a gap, cross recess 7 has been seted up to the upper surface intermediate position of spiral shell head 4, through using cross recess 7 on the spiral shell head 4 as the point of application of force, under appurtenance's such as screwdrivers ' effect, realize twisting of screw and move, cavity 8 has been seted up between the upper and lower surface intermediate position of rubber pad 5, cavity 8 realizes the cladding of rubber pad 5 on double-screw bolt 1, and cavity 8's internal surface has seted up draw-in groove 9, draw-in groove 9 increases the installation area of rubber pad 5, and with 3 blocks of external screw thread, realize the inseparable installation of rubber pad 5, the quantity of draw-in groove 9 is a plurality of groups, and draw-in groove.

The angle of the cusp 2 is sixty degrees;

the screw head 4 is of a cylindrical head structure, and the stud 1 and the screw head 4 are both made of carbon steel;

the spring 6 is of a spiral structure, and the spring 6 is coated on the outer surface of the stud 1;

the cavity 8 is correspondingly matched with the stud 1;

the plurality of groups of clamping grooves 9 are annularly distributed along the inner diameter of the rubber pad 5.

It should be noted that the utility model relates to an industrial screw capable of effectively preventing looseness, when in use, the stud 1 and the screw head 4 are combined into a main structure of the screw, the cross groove 7 on the screw head 4 is used as a force application point, under the action of auxiliary tools such as a screwdriver and the like, the screwing of the screw is realized, the screw is transmitted to a region to be fastened through the tooth point 2, the tooth point 2 is embedded into a connector under the action of the screwing force, the installation of a special screw is realized through the interaction between the external thread 3 and a contact surface, the cavity 8 realizes the cladding of the rubber pad 5 on the stud 1, the rubber pad 5 and the spring 6 are combined into a locking structure, when in installing the screw, the spring 6 is compressed to improve the extrusion force between the contact surfaces, and under the sealing of the rubber pad 5, the gap is filled to enhance the stability of the installation structure, thereby effectively preventing looseness, the clamping groove 9 increases the installation, and with the block of external screw thread 3, realize the inseparable installation of rubber pad 5, comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An industrial screw capable of effectively preventing loosening, which comprises a stud (1) for fastening, and is characterized in that: the lower extreme welding of double-screw bolt (1) has prong (2), and the surface of double-screw bolt (1) is provided with external screw thread (3), the upper end welding of double-screw bolt (1) has spiral shell head (4), and the lower surface of spiral shell head (4) is provided with rubber pad (5), the lower fixed surface of rubber pad (5) is connected with spring (6), cross recess (7) have been seted up to the upper surface intermediate position of spiral shell head (4), seted up between the upper and lower surface intermediate position of rubber pad (5) cavity (8), and the internal surface of cavity (8) has seted up draw-in groove (9), the quantity of draw-in groove (9) is a plurality of groups, and draw-in groove (9) and external screw thread (3.

2. The industrial screw capable of effectively preventing loosening according to claim 1, wherein: the angle of the tooth tip (2) is sixty degrees.

3. The industrial screw capable of effectively preventing loosening according to claim 1, wherein: the screw head (4) is of a cylindrical head structure, and the stud (1) and the screw head (4) are made of carbon steel.

4. The industrial screw capable of effectively preventing loosening according to claim 1, wherein: the spring (6) is of a spiral structure, and the spring (6) is coated on the outer surface of the stud (1).

5. The industrial screw capable of effectively preventing loosening according to claim 1, wherein: the cavity (8) is correspondingly matched with the stud (1).

6. The industrial screw capable of effectively preventing loosening according to claim 1, wherein: the clamping grooves (9) are distributed annularly along the inner diameter of the rubber pad (5).