CN112032028A

CN112032028A - Multi-point limiting structure of compressor movement

Info

Publication number: CN112032028A
Application number: CN202010723631.1A
Authority: CN
Inventors: 储呈国; 周锐; 陆龙泉; 武守飞
Original assignee: Jiaxipera Compressor Co Ltd
Current assignee: Jiaxipera Compressor Co Ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2020-12-04

Abstract

The invention discloses a multi-point limiting structure of a compressor movement, which comprises a shell and a crankcase, wherein a plurality of convex nails are arranged in the top area in the shell, a plurality of bowl-shaped structures are arranged on the position of the crankcase corresponding to the convex nails, the bowl-shaped structures correspond to the convex nails one by one, anti-collision elements are arranged on the convex nails, the anti-collision elements are fixed with the convex nails, one ends of the anti-collision elements are arranged in the bowl-shaped structures, and gaps are arranged between the anti-collision elements and the bowl-shaped structures. The invention provides a multi-point limiting structure of a compressor core, which can prevent the compressor from excessively inclining and can also avoid the sharp sound generated by collision between the core and a shell.

Description

Multi-point limiting structure of compressor movement

Technical Field

The invention relates to the field of vehicle-mounted compressors, in particular to a multipoint limiting structure of a compressor core.

Background

Conventional compressors are typically used in static environments, such as household refrigerators and freezers, where the work site is smooth. Along with the refrigeration field is constantly enlarged, the application of compressor is more and more extensive, the operational environment of compressor has also changed, for example on using on-vehicle refrigerator, on the portable refrigeration plant of medical field, the operational environment of compressor becomes jolting at this moment, vibration is also relatively great, current compressor anticollision technique, mainly arrange the anticollision point on the core, the material of anticollision point is the metal usually, when the operational environment of compressor is not steady, the spring probably takes place great deformation, the anticollision point and the casing of core bump, produce sharp-pointed metal impact sound easily. Therefore, a multi-point limiting structure of the compressor core is needed to be designed, so that the compressor is prevented from being inclined in a transition manner, and sharp sound generated by collision between the core and the shell can be avoided.

Disclosure of Invention

The invention provides a multi-point limiting structure of a compressor movement, which can prevent the compressor from excessively inclining and can avoid the sharp sound generated by the collision between the movement and the shell, and aims to overcome the defects that a spring is likely to generate large deformation and the collision between an anti-collision point of the movement and the shell easily generates sharp metal impact sound when the working environment of the compressor is unstable in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a compressor core multiple spot limit structure, includes casing and crankcase, the top region in the casing is equipped with a plurality of protruding nails, is equipped with a plurality of bowl form structures on the position that crankcase and protruding nail correspond, bowl form structure and protruding nail one-to-one, the anticollision component that is equipped with on the protruding nail, anticollision component is fixed with the protruding nail, the one end setting of anticollision component is equipped with the clearance in bowl form structure between anticollision component and the bowl form structure.

Among the above-mentioned technical scheme, the protruding nail welding is regional at the inside top of casing, and anticollision component is made by non-metallic material. The anticollision component is fixed on the convex nail, bowl-shaped structure has been arranged on the crankcase, bowl-shaped structure moves in the region that anticollision component was injectd, restriction core takes place horizontal direction and vertical direction motion range simultaneously, and when the compressor under the horizontality, bowl-shaped structure and anticollision component do not take place the contact, and when the compressor was under the tilt state, bowl-shaped structure and anticollision component took place the contact, because anticollision component is non-metallic material, the sound of striking is also very little.

Preferably, the distance from the head of the crash element to the bottom of the crankcase bowl is h1, the depth of the crankcase bowl is h2, h1 < h 2. The structure can guarantee that the anti-collision element has enough size to be located in the bowl-shaped structure, and the reliability of the limiting structure is guaranteed.

Preferably, the head of the impact element has a maximum cross-sectional dimension d1, and the bowl of the crankcase has a minimum cross-sectional dimension d2, d1 < d 2. The structure may ensure a gap between the impact element and the bowl-shaped structure.

Preferably, the stud and the impact-protection element are fixed by interference fit. The structure facilitates the processing and fixing of the convex nail and the anti-collision element.

Preferably, the anti-collision element is fixed on the convex nail through a clamping jaw, one end of the clamping jaw is fixed with the convex nail, and the other end of the clamping jaw clamps the anti-collision element. The structure facilitates installation between the stud and the impact-resistant element.

Preferably, the number of the convex nails is 3, and the 3 convex nails are distributed in a triangular shape. A triangular distribution may serve a better definition.

Preferably, a cavity is arranged in the anti-collision element. The cavity can increase the elasticity and the cushioning performance of the anti-collision element.

Preferably, a partition board is arranged in the cavity and divides the cavity. The baffle can avoid too big intensity decline that leads to of anticollision element cavity, guarantees intensity under the prerequisite of guaranteeing certain shock-absorbing capacity.

The invention has the beneficial effects that: (1) meanwhile, the movement range of the movement in the horizontal direction and the vertical direction is limited; when the compressor is in an inclined state, the bowl-shaped structure is in contact with the anti-collision element, and the collision sound is very small due to the fact that the anti-collision element is made of non-metal materials; (2) the anti-collision element can guarantee the intensity on the premise of guaranteeing the cushioning performance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of the structure of the housing of the present invention;

FIG. 4 is a schematic structural view of a housing in embodiment 3;

fig. 5 is a schematic structural view of the impact prevention element according to embodiment 4.

In the figure: the anti-collision device comprises a shell 1, a crankcase 2, a convex nail 3, a bowl-shaped structure 4, an anti-collision element 5, a cavity 5.1, a partition plate 5.2 and a clamping jaw 6.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments.

Example 1:

as shown in fig. 1 and 2, a multi-point limiting structure of a compressor movement comprises a housing 1 and a crankcase 2, wherein 3 convex nails 3 are arranged in the top area of the housing 1, and the 3 convex nails 3 are distributed in a triangular shape; be equipped with a plurality of bowl form structures 4 on the position that crankcase 2 and convex nail 3 correspond, bowl form structure 4 and convex nail 3 one-to-one, the anticollision component 5 that is equipped with on the convex nail 3, anticollision component 5 is fixed with convex nail 3, and the one end setting of anticollision component 5 is equipped with the clearance in bowl form structure 4 between anticollision component 5 and the bowl form structure 4. The distance from the head of the crash element 5 to the bottom of the bowl 4 of the crankcase 2 is h1, the depth of the bowl 4 of the crankcase 2 is h2, h1 < h 2. The head of the crash element 5 has a maximum cross-sectional dimension d1, and the end of the bowl-shaped structure 4 of the crankcase 2 has a minimum cross-sectional dimension d2, d1 < d 2.

In the above technical solution, the stud 3 is welded in the top area inside the housing 1, and the collision prevention element 5 is made of a non-metallic material. Anticollision component 5 is fixed on protruding nail 3, bowl structure 4 has been arranged on crankcase 2, bowl structure 4 moves in the region that anticollision component 5 was prescribed a limit to, and the restriction core takes place horizontal direction and vertical direction motion range simultaneously, and when the compressor was in the horizontality, bowl structure 4 did not take place the contact with anticollision component 5, and when the compressor was in the tilt state, bowl structure 4 took place the contact with anticollision component 5, because anticollision component 5 is non-metallic material, the sound of striking is also very little.

Example 2:

as shown in fig. 2, in the embodiment 1, the stud 3 and the impact-protection element 5 are fixed by interference fit. The structure facilitates the processing and fixing of the convex nail 3 and the anti-collision element 5.

Example 3:

as shown in fig. 3, on the basis of embodiment 1, the impact-prevention element 5 is fixed on the stud 3 by a claw 6, one end of the claw 6 is fixed with the stud 3, and the other end of the claw 6 clamps the impact-prevention element 5. The structure facilitates the mounting between the stud 3 and the impact element 5.

Example 4:

as shown in fig. 4, on the basis of embodiment 1, a cavity 5.1 is provided in the impact protection element 5; a partition plate 5.2 is arranged in the cavity 5.1, and the cavity 5.1 is partitioned by the partition plate 5.2. The cavity 5.1 can increase the elasticity and the cushioning properties of the impact element 5. The baffle 5.2 can avoid 5 too big intensity reductions that lead to of anticollision component cavity 5.1, guarantees intensity under the prerequisite of guaranteeing certain shock-absorbing capacity.

The invention has the beneficial effects that: meanwhile, the movement range of the movement in the horizontal direction and the vertical direction is limited; when the compressor is in an inclined state, the bowl-shaped structure 4 comes into contact with the impact-prevention element 5, and the impact sound is very small because the impact-prevention element 5 is made of a non-metal material; the impact prevention element 5 can ensure the strength while ensuring the cushioning property.

Claims

1. The utility model provides a compressor core multiple spot limit structure, includes casing and crankcase, characterized by, including casing and crankcase, the top region in the casing is equipped with a plurality of protruding nails, is equipped with a plurality of bowl form structures on the position that crankcase and protruding nail correspond, bowl form structure and protruding nail one-to-one, the anticollision component that is equipped with on the protruding nail, anticollision component is fixed with the protruding nail, the one end setting of anticollision component is equipped with the clearance between anticollision component and the bowl form structure in bowl form structure.

2. The multi-point limit structure of a compressor movement of claim 1, wherein the distance from the head of the anti-collision element to the bottom of the bowl-shaped structure of the crankcase is h1, the depth of the bowl-shaped structure of the crankcase is h2, and h1 < h 2.

3. The multi-point limiting structure of a compressor movement of claim 1, wherein the head of the anti-collision element has a maximum cross-sectional dimension d1, and the end of the bowl-shaped structure of the crankcase has a minimum cross-sectional dimension d2, d1 < d 2.

4. A compressor movement multipoint limiting structure as claimed in claim 1, 2 or 3 wherein said stud is fixed to said impact member by interference fit.

5. A compressor movement multipoint limit structure according to claim 1, 2 or 3 wherein said anti-collision element is secured to the stud by a jaw, one end of the jaw being secured to the stud and the other end of the jaw gripping the anti-collision element.

6. A compressor movement multipoint limiting structure according to claim 1, 2 or 3, wherein the number of said studs is 3, and 3 studs are distributed in a triangular shape.

7. A compressor movement multipoint limiting structure according to claim 1, 2 or 3 wherein a cavity is provided in said anti-collision element.

8. A compressor movement multipoint limiting structure as claimed in claim 7 wherein a partition is provided in said cavity to separate said cavity.