CN220505622U

CN220505622U - Connecting shaft bolt

Info

Publication number: CN220505622U
Application number: CN202321592355.5U
Authority: CN
Inventors: 陈若川; 阮连智
Original assignee: Zhejiang Qiantai Motorcycle Parts Co ltd
Current assignee: Zhejiang Qiantai Motorcycle Parts Co ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2024-02-20
Anticipated expiration: 2033-06-21

Abstract

The utility model discloses a connecting shaft bolt which comprises a screw, wherein a flange plate is fixedly arranged at the top of the screw, a connector is fixedly arranged at the top of the flange plate, a threaded hole is formed in the bottom of the screw, a screw rod is connected with an inner cavity of the threaded hole in a threaded manner, a spring is fixedly arranged on the surface of the screw rod, a nut body is connected with the surface of the screw rod in a threaded manner, and the top of the spring is attached to the bottom of the nut body; the screw cap is characterized in that the screw cap is pressed with the bottom of the screw cap body through upward movement of the spring, upward and downward elastic pressure is formed on the screw cap body and the screw rod through elastic force, tightness of threaded connection between the screw cap body and the screw rod and between the screw rod and the threaded hole is improved through elastic force, and accordingly the screw cap body is loosened when the fastener is prevented from vibrating.

Description

Connecting shaft bolt

Technical Field

The utility model relates to the field of connecting shaft bolts, in particular to a connecting shaft bolt.

Background

The connecting shaft bolts are fasteners that connect the connecting flange of the main shaft with the flange of the rotor (impeller) and the generator (or motor), gear or intermediate shaft.

The existing connecting shaft bolt generally consists of a bolt and a nut serving as main bodies, is single in structure, and is easy to loosen when a fastener vibrates, so that the connecting shaft bolt is provided to solve the problems.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the connecting shaft bolt, and solves the problems that the existing connecting shaft bolt is generally composed of a bolt and a nut as main bodies, has a single structure and is easy to loosen between the connecting shaft bolt and the nut when a fastener vibrates.

In order to solve the technical problems, the utility model provides the following technical scheme: the connecting shaft bolt comprises a screw rod, the ring flange has been set firmly at the top of screw rod, the connector has been set firmly at the top of ring flange, the screw hole has been seted up to the bottom of screw rod, the inner chamber threaded connection of screw hole has the lead screw, the spring has set firmly on the surface of lead screw, the surface threaded connection of screw rod has the nut body, the top of spring is laminated with the bottom of nut body.

As a preferable technical scheme of the utility model, a hexagonal bayonet is formed at the top of the connector, and a sealing gasket is clamped in an inner cavity of the hexagonal bayonet.

As a preferable technical scheme of the utility model, the surface of the connector is in threaded connection with a sealing sleeve, and the sealing gasket is positioned in an inner cavity of the sealing sleeve.

As a preferable technical scheme of the utility model, the bottom of the flange plate is carved with anti-skid patterns.

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

1. the screw cap is characterized in that the screw cap is pressed with the bottom of the screw cap body through upward movement of the spring, upward and downward elastic pressure is formed on the screw cap body and the screw rod through elastic force, tightness of threaded connection between the screw cap body and the screw rod and between the screw rod and the threaded hole is improved through elastic force, and accordingly the screw cap body is loosened when the fastener is prevented from vibrating.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a perspective view of the present utility model with its structure broken away;

fig. 3 is a structural exploded perspective view of the screw and screw of the present utility model.

Wherein: 1. a screw; 2. a flange plate; 3. a connector; 4. a threaded hole; 5. a screw rod; 6. a spring; 7. a nut body; 8. a hexagonal bayonet; 9. a sealing gasket; 10. sealing sleeve; 11. anti-skid lines.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1-3, the utility model provides a connecting shaft bolt, which comprises a screw 1, wherein a flange plate 2 is fixedly arranged at the top of the screw 1, a connector 3 is fixedly arranged at the top of the flange plate 2, a threaded hole 4 is formed in the bottom of the screw 1, a screw rod 5 is connected with an inner cavity of the threaded hole 4 in a threaded manner, a spring 6 is fixedly arranged on the surface of the screw rod 5, a nut body 7 is connected with the surface of the screw 1 in a threaded manner, and the top of the spring 6 is attached to the bottom of the nut body 7.

The connecting shaft bolt is composed of a screw 1, a flange 2, a connector 3, a threaded hole 4, a screw rod 5, a spring 6 and a nut body 7, when the connecting shaft bolt is used, the screw 1 is clamped into a through hole formed in an external fastening piece, the nut body 7 is screwed on the screw 1, the external fastening piece is locked and fixed, the screw rod 5 is screwed into an inner cavity of the threaded hole 4 after the screw rod 5 is completed, the screw rod 5 is screwed into the inner cavity of the threaded hole 4, the spring 6 moves upwards, and is tightly pressed with the bottom of the nut body 7 through the upward movement of the spring 6, the elastic force of the spring 6 is used for forming upward and downward elastic force pressure on the nut body 7 and the screw rod 5, the tightness of threaded connection between the nut body 7 and the screw rod 1 and the screw rod 5 and the threaded hole 4 is improved through elastic force, and therefore the nut body 7 is loosened when the fastener is prevented from vibrating.

In other embodiments, as shown in fig. 2, a hexagonal bayonet 8 is formed at the top of the connector 3, and a sealing gasket 9 is clamped in an inner cavity of the hexagonal bayonet 8.

The technical characteristics of the screw cap is characterized in that the working principle and the beneficial effects are that the screw cap body 7 is unscrewed from the screw cap body 1 or screwed up by a corresponding external hexagonal wrench through the hexagonal bayonet 8, the sealing performance of the hexagonal bayonet 8 is improved through the sealing gasket 9, and the hexagonal bayonet 8 is prevented from being damaged by rust erosion outside the hexagonal bayonet 8 after long-term exposure.

In other embodiments, as shown in fig. 2, the surface of the connector 3 is screwed with a sealing sleeve 10, and the sealing gasket 9 is located in the inner cavity of the sealing sleeve 10.

The sealing gasket 9 is fixed through the arrangement of the sealing sleeve 10, and the sealing performance of the hexagonal bayonet 8 is further improved, so that the sealing gasket is protected.

In other embodiments, as shown in fig. 3, the bottom of the flange 2 is engraved with anti-slip patterns 11.

The technical characteristics have the working principle and beneficial effects that the friction force between the anti-skid patterns 11 and the fastening piece is improved, so that the anti-skid patterns cannot be loosened easily.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Connecting axle bolt, including screw rod (1), its characterized in that: the top of screw rod (1) has set firmly ring flange (2), connector (3) has set firmly at the top of ring flange (2), screw hole (4) have been seted up to the bottom of screw rod (1), the inner chamber threaded connection of screw hole (4) has lead screw (5), the surface of lead screw (5) has set firmly spring (6), the surface threaded connection of screw rod (1) has nut body (7), the top of spring (6) is laminated with the bottom of nut body (7); the top of connector (3) has seted up hexagonal bayonet socket (8), the inner chamber joint of hexagonal bayonet socket (8) has sealed pad (9).

2. The connecting shaft bolt of claim 1, wherein: the surface thread of connector (3) is connected with seal cover (10), sealed pad (9) are located seal cover (10) inner chamber.

3. The connecting shaft bolt of claim 1, wherein: anti-skid patterns (11) are engraved at the bottom of the flange plate (2).