CN214465740U

CN214465740U - Vibration damping spring

Info

Publication number: CN214465740U
Application number: CN202022424670.XU
Authority: CN
Inventors: 张勤建; 朱沈瑾; 秦宋阳; 姚辉军; 张韦林
Original assignee: Jiaxipera Compressor Co Ltd
Current assignee: Jiaxipera Compressor Co Ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-10-22
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a damping spring aims at solving the spring of the compressor of packing into and can produce the natural vibration of certain degree at the compressor during operation, and the natural vibration that such spring structure produced when back operation in the compressor of packing into is not ideal, mainly shows on the vibration mode of corresponding frequency segmentation under the different rotational speeds of compressor to lead to the not enough of noise rise. The utility model discloses an including a plurality of sections and tight circle section, the effective circle section of a plurality of sections, adjacent two all are provided with effective circle section between the tight circle section to the laminating of the adjacent two rings of springs of tight circle section is equipped with the interval between the adjacent two rings of springs of effective circle section, and is equipped with the interval between tight circle section and the effective circle section. The spring has good damping effect, effectively improves the self-vibration of the spring, and can effectively improve the vibration modes of corresponding frequency sections of the compressor under different rotating speeds, thereby reducing the noise generated during the operation of the compressor.

Description

Vibration damping spring

Technical Field

The utility model relates to a spring, more specifically say, it relates to a damping spring.

Background

The refrigerator compressor is a core component of the refrigerator, and if the quality and the technology of the refrigerator compressor are not relevant, the working efficiency of the refrigerator is directly influenced. The refrigeration compressor of the common refrigerator in the market is in a reciprocating piston type structure, and in the working process of the compressor, four processes of air suction, compression, exhaust and expansion are mainly adopted to form a cycle. When the air conditioner works, the crankshaft rotates, and the piston is driven by the connecting rod to reciprocate up and down in the cylinder, so that air suction and exhaust are performed. This motion process can make the compressor core produce vibrations, consequently can set up the spring in the shell when the compressor installation, then the compressor core settles on the spring, and the effect of spring just reduces its vibration that passes to the casing when the core operates to reduce the noise that produces when the compressor operation, because the refrigerator is placed in indoor, so need it to produce as little noise as possible when the operation, thereby avoid influencing the user.

The spring that compressor on the present market used is mostly the spring of ordinary structure style, two sections tight circles about promptly, and one section effective circle in the middle. The spring loaded in the compressor will generate a certain degree of natural vibration when the compressor works, and the natural vibration generated by the spring structure after being loaded in the compressor and running is not ideal, and mainly shows the vibration mode of corresponding frequency segments under different rotating speeds of the compressor, thereby increasing the noise. In order to improve the phenomenon, the wire diameter, the inner diameter and the intercept of the spring are mainly adjusted, however, the solution method can generate larger workload, and the designed spring structure can not obviously improve the natural vibration.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above insufficiency, the utility model provides a damping spring, its damping is effectual, can improve the vibration mode of corresponding frequency segmentation under the different rotational speeds of compressor effectively to reduce the noise that produces when the compressor operation.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a damping spring, includes a plurality of sections and tight circle section, the effective circle section of a plurality of sections, all is provided with effective circle section between two adjacent tight circle sections to the laminating of the adjacent two rings spring of tight circle section is equipped with the interval between the adjacent two rings spring of effective circle section, and is equipped with the interval between tight circle section and the effective circle section.

The damping spring is provided with the tight ring sections at two ends and the tight ring sections at the middle part, the effective ring sections between the adjacent tight ring sections are effective parts of the spring, the self-vibration mode of the spring can be obviously improved when the spring self-vibrates, the vibration amplitude of the vibration mode in the middle of the spring is reduced, and several vibration frequency sections which are easy to generate larger noise when the compressor operates are effectively avoided. The spring has good damping effect, effectively improves the self vibration of the spring, and can effectively improve the vibration modes of corresponding frequency sections of the compressor under different rotating speeds, thereby reducing the noise generated during the operation of the compressor and not increasing the installation difficulty of the spring.

Preferably, the number of the spring turns of the effective turn section is not less than two turns.

Preferably, the number of the spring turns of the tightening ring section is not less than two.

Preferably, the tightening ring section is provided with three sections, the effective ring section is provided with two sections, the tightening ring section is provided with two rings of springs, and the effective ring section is provided with three rings of springs. The structure is simple in arrangement and good in vibration and noise reduction effect.

Preferably, the spring of the tight circle section is tightly sleeved with a buffer sleeve, and the two circles of springs of the tight circle section are tightly attached through the buffer sleeve. The arrangement of the buffer sleeve enables the tight ring section to have certain elasticity, and the vibration and noise reduction effect of the spring is further improved.

Preferably, the spring of the parallel tight ring section is connected with a plurality of parallel tight blocks in a sliding manner, the parallel tight blocks are provided with a plurality of jacks which are equal to the spring of the parallel tight ring section in number of turns, the parallel tight ring section is sleeved on the spring in a sliding manner through the jacks, and the spring of the parallel tight ring section is connected in a sliding manner through the parallel tight blocks.

The tightening block can slide on the spring along the spiral direction of the spring, so that the position of the tightening ring section is adjusted. The position of the tightening ring section can be flexibly adjusted according to the requirement, so that the spring is more flexible and convenient to use. And the tightening block is provided with jacks with equal spring turns of the tightening section and the springs of the tightening section are inserted into the jacks in a matching way, so that the tightening of the springs of the tightening section is realized, and the tightening is stable and reliable.

Preferably, the tightening block comprises two connecting plates which are connected together, semicircular slots are formed in opposite surfaces of the two connecting plates, and the slots in the two connecting plates are correspondingly arranged to form insertion holes. The two connecting plates are connected together to form a parallel-fastening block, and the assembly is convenient.

Preferably, two ends of the insertion hole are in a circular truncated cone hole-shaped structure. The two ends of the jack are in a circular truncated cone hole-shaped structure, so that the sliding adjustment is convenient.

Compared with the prior art, the beneficial effects of the utility model are that: the spring vibration reduction effect is good, the spring self-vibration is effectively improved, and the vibration modes of the corresponding frequency sections of the compressor under different rotating speeds can be effectively improved, so that the noise generated during the operation of the compressor is reduced, and the installation difficulty of the spring is not increased.

Drawings

Fig. 1 is a perspective view of embodiment 1 of the present invention;

fig. 2 is a schematic structural view of embodiment 1 of the present invention;

fig. 3 is a schematic structural view of embodiment 2 of the present invention;

fig. 4 is a schematic structural view of embodiment 3 of the present invention;

fig. 5 is a cross-sectional view of a holding-together block according to embodiment 3 of the present invention;

in the figure: 1. and a tightening ring section 2, an effective ring section 3, a buffer sleeve 4, a tightening block 5, a jack 6 and a connecting plate.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1: the utility model provides a damping spring (see attached figure 1, attached figure 2), is heliciform structure, includes a plurality of sections and tight circle section 1, the effective circle section 2 of a plurality of sections, adjacent two and all be provided with effective circle section between the tight circle section to the laminating of the adjacent two rings of springs of tight circle section is equipped with the interval between the adjacent two rings of springs of effective circle section, and is equipped with the interval between tight circle section and the effective circle section.

The number of spring turns of the effective turn section is not less than two turns. And the number of the spring turns of the tight turn section is not less than two turns. In the embodiment, the tightening ring section is provided with three sections, the effective ring section is provided with two sections, the tightening ring section is provided with two rings of springs, and the effective ring section is provided with three rings of springs. The distance between two adjacent circles of springs of the effective circle section is equal.

Example 2: the utility model provides a damping spring (see attached 3), is heliciform structure, includes a plurality of sections and tight circle section, a plurality of sections effective circle section, all is provided with effective circle section between two adjacent tight circle sections to the laminating of the adjacent two rings spring of tight circle section is equipped with the interval between the adjacent two rings spring of effective circle section, and is equipped with the interval between tight circle section and the effective circle section.

The number of spring turns of the effective turn section is not less than two turns. And the number of the spring turns of the tight turn section is not less than two turns. In the embodiment, the tightening ring section is provided with three sections, the effective ring section is provided with two sections, the tightening ring section is provided with two rings of springs, and the effective ring section is provided with three rings of springs. The distance between two adjacent circles of springs of the effective circle section is equal. And a buffer sleeve 3 is tightly sleeved on the spring of the tightening ring section, and two rings of springs of the tightening ring section are tightly attached through the buffer sleeve.

Example 3: the utility model provides a damping spring (see attached figure 4, attached figure 5), is heliciform structure, includes a plurality of sections and tight circle section, a plurality of sections effective circle section, all is provided with effective circle section between two adjacent tight circle sections to the laminating of the adjacent two rings spring of tight circle section is equipped with the interval between the adjacent two rings spring of effective circle section, and is equipped with the interval between tight circle section and the effective circle section.

And a plurality of tightening blocks 4 are connected on the spring of the tightening ring section in a sliding way, a plurality of jacks 5 which are equal to the number of the spring turns of the tightening ring section are arranged on the tightening blocks, the tightening ring section is sleeved on the spring in a sliding way through the jacks, and the spring of the tightening ring section is realized and tightened through the tightening blocks. And the compact piece includes two connecting plates 6 that link together, through screw fastening connection between two connecting plates, all is equipped with half circular's slot on two connecting plate opposite faces, and the slot on two connecting plates corresponds the setting and forms the jack. The two ends of the jack are in a circular truncated cone hole-shaped structure.

The above-described embodiments are merely preferred and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a damping spring, characterized by includes a plurality of sections and tight circle section, a plurality of sections effective circle section, all is provided with effective circle section between two adjacent tight circle sections to the laminating of the adjacent two circles spring of tight circle section is equipped with the interval between the adjacent two circles spring of effective circle section, and is equipped with the interval between tight circle section and the effective circle section.

2. A damper spring according to claim 1, wherein the number of spring turns of the effective turn section is not less than two turns.

3. A damper spring according to claim 1, wherein the number of spring turns of the tightening segment is not less than two.

4. A damper spring according to claim 1, wherein the loop fastening section is provided with three segments, the effective loop section is provided with two segments, the loop fastening section is provided with two loops of springs, and the effective loop section is provided with three loops of springs.

5. The damping spring as claimed in claim 1, wherein the spring of the tightening ring section is tightly sleeved with a buffer sleeve, and the two springs of the tightening ring section are tightly jointed through the buffer sleeve.

6. A damping spring according to any one of claims 1 to 5, wherein a plurality of tightening blocks are slidably connected to the spring of the tightening segment, and a plurality of insertion holes corresponding to the number of turns of the spring of the tightening segment are formed in the tightening block, and the tightening segment is slidably fitted to the spring through the insertion holes, and the spring of the tightening segment is tightened by the tightening block.

7. A damper spring according to claim 6, wherein the clamping block comprises two connecting plates connected together, and the opposite surfaces of the two connecting plates are provided with semicircular slots, and the slots of the two connecting plates are correspondingly provided to form insertion holes.

8. The damping spring as claimed in claim 6, wherein the two ends of the insertion hole are in a circular truncated cone hole structure.