CN220319815U

CN220319815U - Horizontal scroll compressor

Info

Publication number: CN220319815U
Application number: CN202321524755.2U
Authority: CN
Inventors: 宋雪峰; 徐文杰; 张优伟
Original assignee: Shanghai Highly New Energy Technology Co Ltd
Current assignee: Shanghai Highly New Energy Technology Co Ltd
Priority date: 2023-06-14
Filing date: 2023-06-14
Publication date: 2024-01-09
Anticipated expiration: 2033-06-14

Abstract

The utility model provides a horizontal scroll compressor, comprising: a rear shell, wherein an oil pool is arranged in the rear shell; the bearing seat is arranged on the rear shell and supports the crankshaft of the pump body assembly to rotate, and an oil supply through hole is formed in the bearing seat along the radial direction; the oil suction pipe is communicated with the oil supply through hole and is arranged on the rear shell along the radial direction of the bearing seat; the first end of the oil suction pipe is communicated with the oil supply through hole, and the second end of the oil suction pipe is immersed in the oil pool. The oil suction pipe of the horizontal scroll compressor has the advantages of simple structure, convenient assembly and low cost, is arranged on the rear shell along the radial direction of the bearing seat, saves the axial space of the compressor, provides more stable lubrication for the bearing assembly of the bearing seat, and improves the reliability of the compressor.

Description

Horizontal scroll compressor

Technical Field

The utility model relates to the technical field of compressors, in particular to a horizontal scroll compressor.

Background

The vortex compressor has the characteristics of simple structure, small volume, light weight, low noise, stable operation and the like. The horizontal vortex compressor has a wide application range in the market of buses, buses and rail transit.

The horizontal scroll compressor is different from the traditional vertical scroll compressor, and pump body components of the horizontal scroll compressor are transversely arranged (pump body components of the vertical scroll compressor are vertically arranged), so that an additional oil suction device is designed for guaranteeing lubrication and cooling. Meanwhile, due to the fact that precise parts such as bearings are generally designed near the oil suction channel, liquid refrigerants, impurities and the like inevitably enter the oil suction channel in the working process of the compressor, and the reliability of other parts is seriously affected. In summary, special attention is paid to the reliability of the whole oil suction process of lubricating oil entering the pump body from the compressor oil sump. Besides, the oil absorbing device is required to be simple in structure, easy to assemble and low in cost.

Patent CN202165269U provides a horizontal scroll compressor, wherein the oil suction pipe is an inverted L-shaped pipe, the horizontal port of the L-shaped pipe is communicated with the eccentric hole of the crankshaft, and the orifice of the vertical pipe of the L-shaped pipe extends below the lowest oil level of the refrigerating oil in the oil storage cavity. The structure of the oil suction device in the scheme is axially arranged along the compressor, so that the occupied space is large, and impurities and liquid refrigerants cannot be prevented from being sucked in the working process of the oil suction device.

Patent CN214196669U provides a vertical scroll compressor and air conditioner, scroll compressor's oil sump is located its bottom inside, the oil absorption subassembly set up in the oil sump, the material density of oil absorption subassembly is greater than the density of lubricating oil, and is less than the density of refrigerant, makes the oil absorption subassembly suspend in to the liquid level of refrigerant, the one end of oil guide portion with oil absorption subassembly intercommunication, the other end with the inside intercommunication of oil pump structure, the oil absorption subassembly can follow absorb lubricating oil in the oil sump, and through oil guide portion water conservancy diversion extremely in the structure of oil pump. The oil suction assembly in the scheme is only suitable for the structural vertical compressor with the stable oil pool, and the assembly structure is complex.

Patent CN112576509a provides a horizontal scroll compressor comprising: the bottom of the shell is provided with an oil storage area; the oil suction pipe is arranged in the shell, and an inlet of the oil suction pipe is positioned below the liquid level of the oil storage area; the oil suction pipe is provided with a first position with a first distance between the inlet and the bottom of the oil storage area and a second position with a second distance between the inlet and the bottom of the oil storage area, the oil suction pipe is freely switched between the first position and the second position, and the first distance is larger than the second distance. According to the scheme, the timing mechanism, the telescopic mechanism, the reset mechanism and the like are arranged on the oil suction pipe, and the position of the oil suction pipe is adjusted, so that the oil suction pipe can be freely switched between the first position and the second position. However, in this scheme, an additional timer, a telescopic and resetting structure is required, and the cost and the reliability are high.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a horizontal scroll compressor which solves the technical problems of an oil suction device in the prior art.

The embodiment of the utility model provides a horizontal scroll compressor, which comprises:

a rear shell, wherein an oil pool is arranged in the rear shell;

the bearing seat is arranged on the rear shell and supports the crankshaft of the pump body assembly to rotate, and an oil supply through hole is formed in the bearing seat along the radial direction;

the oil suction pipe is communicated with the oil supply through hole and is arranged on the rear shell along the radial direction of the bearing seat; the first end of the oil suction pipe is communicated with the oil supply through hole, and the second end of the oil suction pipe is immersed in the oil pool.

In some embodiments, the oil suction pipe is fixedly connected with the rear shell through bolts and a baffle.

In some embodiments, a seal is sleeved outside the first end of the oil suction pipe, and the oil suction pipe is in sealing communication with the oil supply through hole.

In some embodiments, the seal is a sealing plug or a gasket.

In some embodiments, a filter screen is interference fit within the second end of the oil suction tube.

In some embodiments, the oil suction pipe is bent through the copper pipe to form a bent part and a vertical part; the first end of the bending part is communicated with the oil suction hole, the second end of the vertical part is immersed in the oil pool, and the second end of the bending part is fixedly connected with the first end of the vertical part.

In some embodiments, the oil suction pipe includes a plurality of bend angles, the angle of the bend angles being 0 ° to 180 °.

In some embodiments, the ratio of the minimum tube diameter of the oil suction tube to the tube length of the oil suction tube is between 1:30 and 1:10.

In some embodiments, the bend and/or the perpendicular is a reducer pipe.

In some embodiments, each of the reducer pipes is fixedly connected by welding.

The horizontal scroll compressor provided by the utility model has the following advantages:

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings.

FIG. 1 is a cross-sectional view of a scroll compressor according to an embodiment of the present utility model;

FIG. 2 is a schematic illustration of an oil suction pipe according to an embodiment of the present utility model;

FIG. 3 is a schematic view of an oil suction pipe according to another embodiment of the present utility model;

FIG. 4 is a schematic view of an oil suction pipe according to yet another embodiment of the present utility model;

fig. 5 is a schematic view of an oil suction pipe according to yet another alternative embodiment of the present utility model.

Reference numerals:

1. rear shell

2. Bearing pedestal

3. Oil suction pipe

31. Bending part

32. Vertical part

4. Bolt

5. Baffle plate

61. Sealing plug

62. Sealing ring

7. Filter screen

Detailed Description

Other advantages and effects of the present application will be readily apparent to those skilled in the art from the present disclosure, by describing embodiments of the present application with specific examples. The present application may be embodied or applied in other specific forms and details, and various modifications and alterations may be made to the details of the present application from different points of view and application without departing from the spirit of the present application. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

The embodiments of the present application will be described in detail below with reference to the drawings so that those skilled in the art to which the present application pertains can easily implement the same. This application may be embodied in many different forms and is not limited to the embodiments described herein.

In the description of the present application, reference to the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the various embodiments or examples, and features of the various embodiments or examples, presented herein may be combined and combined by those skilled in the art without conflict.

For the purpose of clarity of the description of the present application, components that are not related to the description are omitted, and the same or similar components are given the same reference numerals throughout the description.

When a device is said to be "on" another device, this may be directly on the other device, but may also be accompanied by other devices therebetween. When a device is said to be "directly on" another device in contrast, there is no other device in between.

Although the terms first, second, etc. may be used herein to connote various elements in some instances, the elements should not be limited by the terms. These terms are only used to distinguish one element from another element. For example, a first interface, a second interface, etc. Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including" specify the presence of stated features, steps, operations, elements, components, items, categories, and/or groups, but do not preclude the presence, presence or addition of one or more other features, steps, operations, elements, components, items, categories, and/or groups. The terms "or" and/or "as used herein are to be construed as inclusive, or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; A. b and C). An exception to this definition will occur only when a combination of elements, functions, steps or operations are in some way inherently mutually exclusive.

Although not differently defined, including technical and scientific terms used herein, all terms have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The term addition defined in the commonly used dictionary is interpreted as having a meaning conforming to the contents of the related art document and the current hint, so long as no definition is made, it is not interpreted as an ideal or very formulaic meaning too much.

Fig. 1 is a cross-sectional view of a scroll compressor according to an embodiment of the present utility model. As shown in fig. 1, the present utility model provides a horizontal scroll compressor comprising:

a rear shell 1, wherein an oil pool is arranged in the rear shell 1;

the bearing seat 2 is arranged on the rear shell 1 and supports a crankshaft of the pump body assembly to rotate, the bearing seat 2 is provided with an oil supply through hole along the radial direction, the pump body assembly is used as a compression execution part of the compressor and at least comprises a motor, a crankshaft, a movable disc, a static disc and the like, and the crankshaft can be driven to rotate by the motor to drive the movable disc to move;

an oil suction pipe 3 communicated with the oil supply through hole, wherein the oil suction pipe 3 is arranged on the rear shell 1 along the radial direction of the bearing seat 2; the first end of the oil suction pipe 3 is communicated with the oil supply through hole, and the second end of the oil suction pipe 3 is immersed in the oil pool. As the crankshaft rotates, negative pressure is formed inside the bearing seat to suck lubricating oil in the oil sump through the oil suction pipe 3, so that stable lubrication is provided for bearings in the bearing seat, and reliability of the compressor is improved. The utility model has simple structure and simple assembly, does not occupy the axial space of the compressor, and provides reliable and stable oil supply lubrication for the bearing assembly in the bearing seat.

Specifically, the oil suction pipe 3 is fixedly connected with the rear housing 1 through a bolt 4 and a baffle 5, but not limited thereto. The oil suction pipe is simple to assemble, and the labor cost of assembling can be reduced.

In order to ensure the tightness of the oil suction pipe 3 and the oil suction hole, a sealing piece is sleeved outside the first end of the bending part, and the oil suction pipe 3 is communicated with the oil supply through hole in a sealing way. As shown in fig. 2 and 3, the sealing member may be a sealing plug 61 or a sealing ring 62.

As shown in fig. 2, 4 and 5, a filter screen 7 is assembled in the second end of the oil suction pipe 3 in an interference manner, and the filter screen can filter impurities in the sucked lubricating oil, so that the impurities are prevented from entering the bearing assembly in the bearing seat through the oil suction pipe, and abnormal abrasion of the bearing assembly is caused.

Referring to fig. 2 to 4, in some embodiments, the oil suction pipe 3 is bent by a copper pipe to form a bent portion 31 and a vertical portion 32; the first end of the bending part 31 is communicated with the oil suction hole, the second end of the vertical part 32 is immersed in the oil pool, and the second end of the bending part 32 is fixedly connected with the first end of the vertical part 31.

Further, in some embodiments, the oil suction pipe 3 includes a plurality of bending angles, and the angle of the bending angles is 0 ° to 180 °. As shown in fig. 2, the oil suction pipe 3 provided in the present embodiment includes θ ₁ And theta ₂ Two bending angles.

Further, the bending portion 31 and/or the vertical portion 32 is a reducer pipe. As shown in fig. 4 and 5, the bent portion 31 and the vertical portion 32 include a first diameter pipe having a diameter of Φ1 and a second diameter pipe having a diameter of Φ2; and each reducer pipe is fixedly connected and sealed through welding. The reducing pipe can play a role in throttling and reducing pressure, reduce the quantity of lubricating oil sucked into the oil suction pipe, prevent excessive quantity of sucked lubricating oil and cause excessive quantity of oil discharged by the compressor, and influence the reliability of the compressor.

Optionally, the ratio of the minimum pipe diameter of the oil suction pipe 3 to the pipe length of the oil suction pipe is between 1:30 and 1:10. The direction, length and pipe diameter of the oil suction pipe 3 can be set according to actual requirements, and are not limited to examples in the present application.

In summary, the oil suction pipe in the horizontal scroll compressor provided by the utility model has a simple structure, is arranged on the rear shell along the radial direction of the bearing seat, is simple to assemble, saves the axial space of the compressor, provides stable lubrication for the bearing group price in the bearing seat, and improves the reliability of the compressor.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims

1. A horizontal scroll compressor, comprising:

a rear shell, wherein an oil pool is arranged in the rear shell;

2. The horizontal scroll compressor of claim 1, wherein the oil suction pipe is fixedly connected to the rear housing by bolts and a baffle.

3. The horizontal scroll compressor of claim 1, wherein the first end of the oil suction pipe is externally sleeved with a sealing member, and the oil suction pipe is in sealing communication with the oil supply through hole.

4. A horizontal scroll compressor as set forth in claim 3 wherein said seal is a sealing plug or gasket.

5. The horizontal scroll compressor of claim 1, wherein the second end of the oil suction tube is interference fit with a filter screen.

6. The horizontal scroll compressor according to claim 1, wherein the oil suction pipe is bent by a copper pipe to form a bent portion and a vertical portion; the first end of the bending part is communicated with the oil supply through hole, the second end of the vertical part is immersed in the oil pool, and the second end of the bending part is fixedly connected with the first end of the vertical part.

7. The horizontal scroll compressor of claim 1, wherein the oil suction pipe includes a plurality of bent angles, the angle of the bent angles being 0 ° to 180 °.

8. The horizontal scroll compressor of claim 1, wherein a pipe length ratio of the minimum pipe diameter of the oil suction pipe to the oil suction pipe is between 1:30 and 1:10.

9. The horizontal scroll compressor of claim 6, wherein the bend and/or the vertical portion is a reducer pipe.

10. The horizontal scroll compressor of claim 9, wherein each of the reducer pipes is fixedly connected by welding.