CN219119688U

CN219119688U - Double-helical spring with spring seat

Info

Publication number: CN219119688U
Application number: CN202223419718.3U
Authority: CN
Inventors: 曹阳
Original assignee: Nanjing Baozuan Spring Co ltd
Current assignee: Nanjing Baozuan Spring Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-02
Anticipated expiration: 2032-12-20

Abstract

The utility model provides a double coil spring with spring holder, includes the double coil spring body, the spring holder includes clamp plate, base, oil pressure shock absorber, double coil spring body, oil pressure shock absorber install between clamp plate, base, and oil pressure shock absorber nestification forms clearance fit structure with the double coil spring body in the double coil spring body. The double-spiral spring with the spring seat is reasonable in structural design, is used in a vibration reduction member, reduces installation space by forming a clearance fit structure between the oil pressure damper and the double-spiral spring body between the pressing plate and the bottom plate, has good vibration reduction and noise reduction effects, and is balanced and stable in stress, free from inclination, high in energy storage and high in reaction speed.

Description

Double-helical spring with spring seat

Technical Field

The utility model relates to the technical field of springs, in particular to a double-spiral spring with a spring seat.

Background

The spring is a mechanical part which works by utilizing elasticity, and the part made of elastic materials deforms under the action of external force and returns to the original state after the external force is removed. Among them, a double coil spring is widely used in industrial production, for example, in vibration damping members, because it maintains high energy storage and high reaction speed of the spring and increases durability and firmness of the spring.

Typically, a double coil spring structure provides the required vertical stiffness, while in absorbing vibration, an external oil pressure shock absorber is required to additionally provide a damping force. At present, the installation and arrangement modes of the double-coil springs applied to the vibration reduction members all need to occupy larger installation space, and meanwhile, due to the fact that a certain distance exists between the double-coil springs for realizing vibration reduction and the installation position of the vibration absorber for providing damping, unbalanced load is easy to occur in the multi-component linkage process.

Therefore, the utility model aims to provide a double-helical spring with a spring seat, which has another structure, is applied to a vibration reduction component, occupies small space, can enhance damping characteristics and improves vibration reduction and noise reduction effects.

Disclosure of Invention

The utility model aims to: in order to overcome the defects, the utility model aims to provide the double-spiral spring with the spring seat, which is reasonable in structural design, is used in a vibration reduction member, reduces installation space by forming a clearance fit structure between the oil pressure damper and the double-spiral spring body between the pressing plate and the bottom plate, has good vibration reduction and noise reduction effects, and has the advantages that the double-spiral spring body adopts a double-spiral structure, is balanced and stable in stress, does not incline, has high energy storage and high reaction speed, and has wide application prospect.

The technical scheme is as follows: a double coil spring with a spring seat, comprising:

the spring seat comprises a pressing plate, a base and an oil pressure damper;

the double-spiral spring body and the oil pressure damper are arranged between the pressing plate and the base, and the oil pressure damper is nested in the double-spiral spring body to form a clearance fit structure with the double-spiral spring body;

the double-spiral spring comprises an inner spring and an outer spring, wherein the height of the inner spring is equal to that of the outer spring, the inner spring is concentrically sleeved in the outer spring, the upper end point of the inner spring is connected with the upper end point of the outer spring, and the lower end point of the inner spring is connected with the lower end point of the outer spring.

The double-spiral spring with the spring seat is reasonable in structural design, is used in a vibration reduction member, reduces installation space by forming a clearance fit structure between the oil pressure damper and the double-spiral spring body between the pressing plate and the bottom plate, has good vibration reduction and noise reduction effects, and the double-spiral spring body adopts a double-spiral structure, and is stable in inner spring and outer spring structures which are concentrically arranged, the inner spring and the outer spring are always in concentric states, so that the spring is balanced and stable in stress and cannot incline, and the high energy storage and high reaction speed of the spring are ensured.

Further, in the double-coil spring with the spring seat, the spiral direction of the inner spring is opposite to that of the outer spring.

The spiral directions of the inner spring and the outer spring are opposite, so that the integral rigidity is improved.

Further, according to the double-coil spring with the spring seat, one end of the oil pressure damper is detachably connected with the pressing plate, and the other end of the oil pressure damper penetrates through the double-coil spring body to be detachably connected with the base.

Furthermore, in the double-coil spring with the spring seat, the edge of the bottom surface of the pressing plate is fixedly connected with the outer sleeve through the screw.

The double-spiral spring body is fixed in the spring seat through the outer sleeve.

Further, in the double-coil spring with the spring seat, rubber spherical hinges are arranged at two ends of the oil pressure damper.

Further, the double-coil spring with the spring seat is characterized in that the oil pressure damper is connected with the pressing plate and the base through rubber spherical hinges at two ends.

Rubber spherical hinges are arranged at two ends of an oil pressure cylinder of the oil pressure damper and are respectively connected with the pressing plate and the base through the rubber spherical hinges at two ends, and the rubber spherical hinges have the functions of flexible connection and buffering vibration damping, so that the heavy load impact force suffered by the oil pressure cylinder is relieved to a certain extent. The matching structure of the rubber spherical hinge and the oil pressure cylinder obviously improves the vibration reduction and noise reduction effects.

The beneficial effects of the utility model are as follows: the double-helical spring with the spring seat is reasonable in structural design, is used in a vibration reduction member, reduces installation space by forming a clearance fit structure between the oil pressure damper and the double-helical spring body between the pressing plate and the bottom plate, and has good vibration reduction and noise reduction effects; the double-spiral spring body adopts a double-spiral structure, the inner spring and the outer spring which are concentrically arranged are stable in structure, the inner spring and the outer spring are always in a concentric state, the balance and stability of the stress of the springs are ensured, the springs cannot incline, and the high energy storage and the high reaction speed of the springs are ensured; rubber spherical hinges are arranged at two ends of an oil pressure cylinder of the oil pressure damper and are respectively connected with the pressing plate and the base through the rubber spherical hinges at two ends, and the rubber spherical hinges have the functions of flexible connection and buffering vibration damping, so that the heavy load impact force suffered by the oil pressure cylinder is relieved to a certain extent. The matching structure of the rubber spherical hinge and the oil pressure cylinder obviously improves the vibration reduction and noise reduction effects.

Drawings

FIG. 1 is an overall cross-sectional view of a double coil spring with a spring seat according to the present utility model;

in the figure: spring seat 1, platen 11, screw 111, overcoat 112, base 12, hydraulic damper 13, rubber ball pivot 131, double helix spring body 2, inner spring 21, outer spring 22.

Detailed Description

The utility model will be further elucidated with reference to fig. 1 and a specific embodiment.

Example 1

As shown in fig. 1, the double-helical spring with the spring seat provided by the utility model comprises a spring seat 1 and a double-helical spring body 2, wherein the spring seat 1 comprises a pressing plate 11, a base 12 and an oil pressure damper 13, the double-helical spring body 2 and the oil pressure damper 13 are arranged between the pressing plate 11 and the base 12, and the oil pressure damper 13 is nested in the double-helical spring body 2 to form a clearance fit structure with the double-helical spring body 2.

By the structure in which the oil damper 13 is formed in clearance fit with the double helical spring body 2 between the pressing plate 11 and the bottom plate 12, the installation space is reduced, and a good vibration and noise reduction effect is provided.

Example 2

The structural basis based on embodiment 1 above is shown in fig. 1.

According to the double-coil spring with the spring seat, the edge of the bottom surface of the pressing plate 11 is fixedly connected with the outer sleeve 112 through the screw 111. The double coil spring body 3 is fixed in the spring seat 1 by the outer sleeve 112.

Further, rubber ball hinges 131 are arranged at two ends of the oil pressure cylinder of the oil pressure damper 13, and are respectively connected with the pressing plate 11 and the base 12 through the rubber ball hinges 131 at the two ends, and the rubber ball hinges 131 are utilized to have the functions of flexible connection and buffering vibration reduction, so that the heavy load impact force of the oil pressure cylinder is relieved to a certain extent. The matching structure of the rubber spherical hinge and the oil pressure cylinder obviously improves the vibration reduction and noise reduction effects.

Example 3

The structural basis based on embodiment 1 or embodiment 2 above is shown in fig. 1.

The double-coil spring with the spring seat disclosed by the utility model comprises an inner spring 21 and an outer spring 22, wherein the inner spring 21 and the outer spring 22 are equal in height, the inner spring 21 is concentrically sleeved in the outer spring 22, the upper end point of the inner spring 21 is connected with the upper end point of the outer spring 22, and the lower end point of the inner spring 21 is connected with the lower end point of the outer spring 22. The double-spiral spring body 2 adopts a double-spiral structure, the inner spring 21 and the outer spring 22 which are concentrically arranged are stable in structure, and the inner spring 21 and the outer spring 22 are always in a concentric state during use, so that the balance and stability of the stress of the springs are ensured, the springs cannot incline, and the high energy storage and the high reaction speed of the springs are ensured.

Further, the spiral direction of the inner spring 21 is opposite to that of the outer spring 22, and the spiral directions of the inner spring 21 and the outer spring 22 are opposite, so that the overall rigidity is improved.

The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would also be considered to be within the scope of the utility model.

Claims

1. A double coil spring with a spring seat, comprising:

the spring seat (1), the spring seat (1) comprises a pressing plate (11), a base (12) and an oil pressure damper (13);

the double-spiral spring body (2), the double-spiral spring body (2) and the oil pressure damper (13) are arranged between the pressing plate (11) and the base (12), and the oil pressure damper (13) is nested in the double-spiral spring body (2) to form a clearance fit structure with the double-spiral spring body (2);

the double-spiral spring comprises a double-spiral spring body (2) and is characterized in that the double-spiral spring body (2) comprises an inner spring (21) and an outer spring (22), the inner spring (21) and the outer spring (22) are equal in height, the inner spring (21) is concentrically sleeved in the outer spring (22), the upper end point of the inner spring (21) is connected with the upper end point of the outer spring (22), and the lower end point of the inner spring (21) is connected with the lower end point of the outer spring (22).

2. A double helical spring with a spring seat according to claim 1, characterized in that the inner spring (21) is counter-helical to the outer spring (22).

3. Double helical spring with spring seat according to claim 1, characterized in that one end of the oil damper (13) is detachably connected with the pressure plate (11), and the other end of the oil damper (13) is detachably connected with the base (12) through the double helical spring body (2).

4. The double-helical spring with the spring seat according to claim 1, wherein the bottom edge of the pressing plate (11) is fixedly connected with an outer sleeve (112) through a screw (111).

5. Double helical spring with spring seat according to claim 1 or 2, characterized in that both ends of the oil damper (13) are provided with rubber ball hinges (131).

6. The double coil spring with a spring seat according to claim 5, wherein the oil damper (13) is connected to the pressure plate (11) and the base (12) through rubber ball hinges (131) at both ends, respectively.