CN111852825A

CN111852825A - Limiting structure of oil suction pipe of compressor

Info

Publication number: CN111852825A
Application number: CN202010750141.0A
Authority: CN
Inventors: 储呈国; 陆龙泉; 武守飞
Original assignee: Jiaxipera Compressor Co Ltd
Current assignee: Jiaxipera Compressor Co Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2020-10-30
Anticipated expiration: 2040-07-30
Also published as: CN111852825B

Abstract

The invention discloses a limiting structure of an oil suction pipe of a compressor, which comprises the oil suction pipe, a shell, a bushing and a bowl-shaped element, wherein the bowl-shaped element is fixed on the bottom surface in the shell, the bushing is fixed at the top of the bowl-shaped element, one fixed end of the bushing is inserted into the bowl-shaped element, and the lower part of the oil suction pipe is positioned in the bushing. The invention provides a limiting structure of an oil suction pipe of a compressor, which can avoid direct collision and friction between the oil suction pipe and a shell when the compressor is in transition inclination.

Description

Limiting structure of oil suction pipe of compressor

Technical Field

The invention relates to the field of vehicle-mounted compressors, in particular to a limiting structure of an oil suction pipe of a compressor.

Background

Conventional compressors are typically used in static environments, such as household refrigerators and freezers, where the work site is smooth. With the continuous expansion of the refrigeration field, the application of the compressor is more and more extensive, and the working environment of the compressor is also changed, for example, when the compressor is applied to a vehicle-mounted refrigerator and portable refrigeration equipment in the medical field, the working environment of the compressor is bumpy and relatively large in vibration. Therefore, a limiting structure for an oil suction pipe of a compressor needs to be designed, so that when the compressor is in transition inclination, the oil suction pipe and a shell are prevented from directly colliding and rubbing.

Disclosure of Invention

The invention provides a limiting structure of an oil suction pipe of a compressor, aiming at overcoming the problems that the oil suction pipe of the compressor is likely to collide and rub with a shell when the compressor works in a large-angle inclined state in the prior art, so that the oil suction pipe is likely to collide and deform, or the oil suction pipe rubs with the shell to generate sharp metal friction sound, and the limiting structure can avoid direct collision and friction between the oil suction pipe and the shell when the compressor is in a transitional inclination state.

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

a limiting structure of an oil suction pipe of a compressor comprises the oil suction pipe, a shell, a lining and a bowl-shaped element, wherein the bowl-shaped element is fixed on the bottom surface inside the shell, the lining is fixed at the top of the bowl-shaped element, one end, fixed by the lining, of the lining is inserted into the bowl-shaped element, and the lower part of the oil suction pipe is located in the lining.

In the technical scheme, the bowl-shaped element is welded at the bottom area inside the shell, and the lower part of the oil suction pipe is positioned in the lining, so that the direct collision and friction between the oil suction pipe and the shell are avoided.

Preferably, the outer side wall of the bushing abuts against the inner side wall of the bowl-shaped element. The structure avoids the bushing from wobbling.

Preferably, the bushing comprises a support sleeve, the top of the support sleeve is at least one everted part to form a claw-shaped cantilever, and the claw-shaped cantilever and the support sleeve clamp the side wall of the bowl-shaped element together. The clamping structure is convenient to mount, the structure is simple and convenient, and the lining can be mounted in place by directly inserting the lining into the bowl-shaped structure.

Preferably, the inner side of the claw-shaped cantilever is provided with a limiting block, and the side wall of the bowl-shaped element is provided with a limiting hole matched with the limiting block. By implementing the technical scheme, the bushing and the bowl-shaped element can be clamped quickly and reliably; the limiting blocks on the claw-shaped cantilever and the limiting holes on the bowl-shaped element interact to limit the axial displacement and the tangential displacement of the bushing. The mounting sequence of the limiting structure is as follows: firstly, the bowl-shaped element is welded at the bottom area of the shell, then the supporting sleeve of the bushing is inserted into the bowl-shaped element, and after the outward turning structure is arranged on the bushing and inserted into the bowl-shaped element, the bushing is rotated, and the limiting block on the claw-shaped cantilever is clamped into the limiting hole on the bowl-shaped element to limit the axial displacement and the tangential displacement of the bushing. The lower part of the oil suction pipe is positioned in the lining, so that the oil suction pipe is protected, and the collision and friction between the oil suction pipe and the shell are prevented.

Preferably, the side wall of the support sleeve is provided with a plurality of vertically arranged long grooves, the long grooves transversely penetrate through the side wall of the support sleeve, and the lower ends of the long grooves penetrate through the lower end of the support sleeve. The long grooves are uniformly distributed along the circumferential direction of the side wall of the support sleeve. The long groove is formed by bending and deforming the support sleeve in the diameter direction, the outer diameter of the support sleeve is slightly larger than the inner diameter of the bowl-shaped element in an initial state, the support sleeve is never ensured to be tightly attached to the bowl-shaped element, and the lining is prevented from shaking.

Preferably, a guide inclined plane is arranged on the side wall of the support sleeve close to the lower end. The guide slope facilitates the insertion of the support sleeve into the bowl-shaped element.

Preferably, at least one oil leakage hole is formed in the lower portion of the bowl-shaped member. The oil leakage hole is formed by the communication between the interior of the bowl-shaped element and the shell.

Preferably, the bushing is a non-metallic material. The non-metallic material may reduce the sound generated by the impact.

Preferably, the bushing has a certain elasticity. The structure can increase the damping and noise reduction effects.

The beneficial effects of the invention are as follows: (1) when the compressor works at a larger inclination angle, the collision and friction between the oil suction pipe and the shell can be avoided; (2) the installation is convenient, and the structure is more simple and convenient, and the bush directly inserts bowl-shaped structure back and rotates the mountable and target in place.

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 structural view of a bowl-shaped member in embodiment 2.

In the figure: the oil suction pipe comprises an oil suction pipe 1, a shell 2, a bushing 3, a support sleeve 3.1, a claw-shaped cantilever 3.2, a limiting block 3.3, a bowl-shaped element 4, a limiting hole 4.1, an elongated slot 4.2, a guide inclined plane 4.4 and an oil leakage hole 4.5.

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 compressor oil suction pipe limiting structure comprises an oil suction pipe 1, a shell 2, a bushing 3 and a bowl-shaped element 4, wherein the bowl-shaped element 4 is fixed on the bottom surface inside the shell 2, the bushing 3 is fixed on the top of the bowl-shaped element 4, one fixed end of the bushing 3 is inserted into the bowl-shaped element 4, and the lower part of the oil suction pipe 1 is positioned inside the bushing 3. The bush 3 comprises a supporting sleeve 3.1, at least one part of the top of the supporting sleeve 3.1 is turned outwards to form a claw-shaped cantilever 3.2, and the claw-shaped cantilever 3.2 and the supporting sleeve 3.1 clamp the side wall of the bowl-shaped element 4 together. The inner side of the claw-shaped cantilever 3.2 is provided with a limiting block 3.3, and the side wall of the bowl-shaped element 4 is provided with a limiting hole 4.1 matched with the limiting block 3.3. The outer side wall of the support sleeve 3.1 abuts against the inner side wall of the bowl-shaped element 4. At least one oil leakage opening 4.5 is present in the lower part of the bowl-shaped element 4. The bushing 3 is a non-metallic material.

By implementing the technical scheme, the bushing 3 and the bowl-shaped element 4 can be clamped quickly and reliably; the stop 3.3 on the claw-shaped cantilever 3.2 interacts with the stop hole 4.1 on the bowl-shaped element 4 to limit the axial and tangential displacement of the bushing 3. The mounting sequence of the limiting structure is as follows: firstly, the bowl-shaped element 4 is welded at the bottom area of the shell 2, then the supporting sleeve 3.1 of the bush 3 is inserted into the bowl-shaped element 4, and due to the fact that the outward turning structure is arranged on the bush 3, after the outward turning structure is inserted into the position, the bush 3 is rotated, the limiting block 3.3 on the claw-shaped cantilever 3.2 is clamped into the limiting hole 4.1 on the bowl-shaped element 4, and the axial displacement and the tangential displacement of the bush 3 are limited. The lower part of the oil suction pipe 1 is positioned in the lining 3, thereby protecting the oil suction pipe 1 and preventing the oil suction pipe 1 from colliding and rubbing with the shell 2.

Example 2:

as shown in fig. 3, on the basis of embodiment 1, a plurality of vertically arranged long grooves 4.2 are provided on the side wall of the support sleeve 3.1, the long grooves 4.2 transversely penetrate through the side wall of the support sleeve 3.1, and the lower ends of the long grooves 4.2 penetrate through the lower end of the support sleeve 3.1. The side wall of the support sleeve 3.1 close to the lower end is provided with a guide inclined plane 4.4. The long grooves 4.2 are uniformly distributed along the circumferential direction of the side wall of the support sleeve 3.1. The long groove 4.2 is formed by bending and deforming the support sleeve 3.1 in the diameter direction, the outer diameter of the support sleeve 3.1 is slightly larger than the inner diameter of the bowl-shaped element 4 in the initial state, the support sleeve 3.1 is never ensured to be tightly attached to the bowl-shaped element 4, and the lining 3 is prevented from shaking. Said guiding bevel 4.4 facilitates the insertion of the support sleeve 3.1 into the bowl-shaped element 4.

The beneficial effects of the invention are as follows: when the compressor works at a larger inclination angle, the collision and friction between the oil suction pipe and the shell can be avoided; the installation is convenient, and the structure is more simple and convenient, and the bush directly inserts bowl-shaped structure back and rotates the mountable and target in place.

Claims

1. A limiting structure of an oil suction pipe of a compressor is characterized by comprising the oil suction pipe, a shell, a bushing and a bowl-shaped element, wherein the bowl-shaped element is fixed on the bottom surface inside the shell, the bushing is fixed at the top of the bowl-shaped element, one end, fixed by the bushing, of the bushing is inserted into the bowl-shaped element, and the lower part of the oil suction pipe is located in the bushing.

2. The structure as claimed in claim 1, wherein the outer wall of the bushing abuts against the inner wall of the bowl-shaped member.

3. The structure as claimed in claim 1, wherein the bushing includes a support sleeve, and at least one of the top portions of the support sleeve is turned outwards to form a claw-shaped cantilever, and the claw-shaped cantilever and the support sleeve together clamp the side wall of the bowl-shaped member.

4. The structure as claimed in claim 3, wherein the claw-shaped cantilever has a stopper formed on an inner side thereof, and the bowl-shaped member has a stopper hole formed in a sidewall thereof for fitting the stopper.

5. The structure as claimed in claim 3 or 4, wherein the side wall of the support sleeve is provided with a plurality of vertically disposed elongated slots, the elongated slots transversely penetrate the side wall of the support sleeve, and the lower ends of the elongated slots penetrate the lower end of the support sleeve.

6. The structure as claimed in claim 5, wherein the support sleeve has a guide slope on its side wall near the lower end.

7. The structure as claimed in claim 1, 2, 3 or 4, wherein the bowl-shaped member has at least one oil leakage hole at a lower portion thereof.

8. The structure for limiting the oil suction pipe of the compressor as claimed in claim 1, 2, 3 or 4, wherein the bushing is made of a non-metallic material.

9. The structure as claimed in claim 8, wherein the bushing has a certain elasticity.