CN218493819U

CN218493819U - Compressor oil filtering structure, compressor and temperature adjusting equipment

Info

Publication number: CN218493819U
Application number: CN202222470200.6U
Authority: CN
Inventors: 凡沁; 伍圣念; 相玲玲; 麦嘉伟
Original assignee: Wanbao Group Compressor Co ltd
Current assignee: Wanbao Group Compressor Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-02-17
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a compressor oil strain structure, compressor and thermoregulation device, include: a housing; the lower rack is arranged in the shell, an oil pool is arranged on the back side of the lower rack in the shell, a lower support for supporting the crankshaft is arranged in the middle of the lower rack, and the lower rack is assembled on the shell; the filter screen subassembly, including filter screen part and filter screen support, the filter screen part has the open end, the filter screen subassembly uses the gesture of open end orientation downward support to install in the lower support, the filter screen part is extended to the oil bath direction by the open end and is formed the pocket of a net form, the filter screen support is by inside open end embedding filter screen part, the surface of filter screen support laminates with the internal surface of filter screen part mutually, the filter screen support provides radial and axial support for the filter screen part. The filter screen support adopts a brand new design, has larger support area and higher support strength, can better support the filter screen, prevents the filter screen from deforming and ensures the stable oil supply of the compressor.

Description

Compressor oil filtering structure, compressor and temperature adjusting equipment

Technical Field

The utility model is used for the compressor field especially relates to a compressor oil strain structure, compressor and thermoregulation device.

Background

The key working parts of the scroll compressor comprise a fixed scroll (a fixed scroll for short) and a moving scroll (a moving scroll for short) which is engaged with the fixed scroll and moves relatively, and the moving scroll is driven by an eccentric shaft and restricted by an anti-rotation mechanism to do circular translation around the fixed scroll so as to compress gas. The bearings, various relative sliding friction surfaces, etc. of the scroll compressor require lubrication. The oil supply mode of the scroll compressor has two modes of differential oil supply and centrifugal oil supply.

In order to avoid dust or other impurities from entering the bearing and each relative sliding friction surface of the scroll compressor along with the lubricating oil, thereby affecting the lubricating performance, a filter screen is generally arranged outside the oil pump in the prior art to filter the lubricating oil. The technical scheme has the following defects:

1. the filter screen is supported by a single cylindrical spring, the supporting area is small, the upper bottom surface and the lower bottom surface of the cylindrical spring are only used for supporting, the axial deformation of the filter screen is prevented, and when the viscosity of lubricating oil is high in winter, the filter screen can deform along the flow direction of the lubricating oil and in the radial direction, so that the stable oil supply of the compressor is influenced;

2. the cylindrical spring is fixed at the oil pump, and for the structure (differential pressure oil supply) of the oil-free pump and other forms of oil pumps (for example, a screw pump is fixed at a crankshaft), the cylindrical spring cannot be applied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a compressor oil strain structure, compressor and thermoregulation device, its filter screen support that adopts brand-new design, the support area is bigger, support intensity is higher, can support the filter screen better, prevents that the filter screen from warping, guarantees that the compressor fuel feeding is stable.

The utility model provides a technical scheme that its technical problem adopted is:

in a first aspect, a compressor oil filtering structure includes:

a housing;

the lower rack is arranged in the shell, an oil pool is arranged on the back side of the lower rack in the shell, a lower support for supporting a crankshaft is arranged in the middle of the lower rack, and the lower rack is assembled on the shell;

the filter screen subassembly, including filter screen part and filter screen support, the filter screen part has the open end, the filter screen subassembly with the open end orientation the gesture of bearing down install in the bearing down, the filter screen part by the open end to the oil bath direction extends and forms the pocket form, the filter screen support by the open end embedding inside the filter screen part, the surface of filter screen support with the internal surface of filter screen part laminates mutually, the filter screen support does the filter screen part provides radial and axial support.

With reference to the first aspect, in certain implementations of the first aspect, the filter screen component includes a first straight cylinder section extending axially from the open end and a first cone section extending axially from the first straight cylinder section, a tip of the first cone section forms a flat top, the filter screen bracket includes a second straight cylinder section extending axially and a second cone section extending axially from the second straight cylinder section, an outer surface of the second straight cylinder section is attached to an inner surface of the first straight cylinder section, and an outer surface of the second cone section is attached to an inner surface of the first cone section.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the filter screen bracket is formed by spirally winding a metal wire.

With reference to the first aspect and implementations described above, in certain implementations of the first aspect, the wire is bent inward at an end of the second tapered barrel section to form a bend against the flat top.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the filter screen assembly further includes a net hoop and a net sleeve, the open end of the filter screen component is clamped between the net hoop and the net sleeve, the net hoop is annular and located inside the filter screen component, the net sleeve is annular and located outside the filter screen component, and the filter screen assembly is connected to the lower support through the net sleeve.

With reference to the first aspect and the implementations described above, in certain implementations of the first aspect, the screen sleeve is provided with a wing extending radially outward, the wing is provided with a through hole, and the filter screen assembly is connected to the lower support by a screw passing through the through hole.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the mesh sleeve is provided with a wing extending outward in the radial direction, the wing is provided with a through hole, the mesh sleeve is made of a magnetic material, the lower support is provided with a fixing pin extending in the axial direction and penetrating through the through hole, and the mesh sleeve is adsorbed on the lower support.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the top end of the filter screen bracket is sleeved outside the lower support.

In a second aspect, a compressor comprises the compressor oil filtering structure in any one of the implementations of the first aspect.

In a third aspect, a temperature adjusting device is characterized by comprising the compressor in any one of the implementation manners of the second aspect.

One of the above technical solutions has at least one of the following advantages or beneficial effects: the utility model discloses compressor oil strain structure among the technical scheme sets up to be close to oil bath one side in the lower supporting for the lubricating oil through the outside pump sending of bent axle provides the filtration, avoids dust or other impurity to get into scroll compressor's bearing, each relative sliding friction surface along with lubricating oil, thereby influences the lubricating property. Wherein, the filter screen subassembly includes filter screen part and filter screen support, and the surface of filter screen support laminates with the internal surface of filter screen part mutually, and the filter screen support provides radial and axial for the filter screen part and supports, and the filter screen support is bigger for the support range that the filter screen part provided, and support intensity is higher, can support the filter screen part better, prevents that the filter screen part warp, guarantees that the compressor fuel feeding is stable.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of an embodiment of an oil filtering structure of a compressor of the present invention;

FIG. 2 is a schematic view of a filter screen assembly according to one embodiment shown in FIG. 1;

FIG. 3 is an exploded view of the construction of the screen assembly of the embodiment shown in FIG. 1;

FIG. 4 is a schematic view of a filter screen bracket according to one embodiment shown in FIG. 1;

FIG. 5 is a schematic view of a filter screen assembly attached to a lower support by means of retaining pins;

fig. 6 is a schematic view of a filter screen assembly attached to a lower support by means of retainer pins.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the utility model, the meaning of a plurality of is one or more, the meaning of a plurality of is more than two, and the meaning of more than two is understood as not including the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the present invention, unless otherwise explicitly defined, the terms "set", "install", "connect", and the like are to be understood in a broad sense, and for example, may be directly connected or may be indirectly connected through an intermediate medium; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either internal to the two elements or in an interactive relationship of the two elements. The technical field can reasonably determine the specific meaning of the words in the utility model by combining the specific content of the technical scheme.

Wherein, fig. 1 shows a reference direction coordinate system of the embodiment of the present invention, and the following describes the embodiment of the present invention with reference to the direction shown in fig. 1.

Referring to fig. 1, an embodiment of the present invention provides a compressor oil filtering structure, including a casing 100, a lower frame 200 and a filter screen assembly 300, wherein the lower frame 200 is disposed inside the casing 100, an oil sump 101 is disposed inside the casing 100 at a back side of the lower frame 200, i.e., the oil sump 101 is disposed below the lower frame 200 in fig. 1, a lower support 201 for supporting a crankshaft 400 is disposed at a middle portion of the lower frame 200, and the lower frame 200 is assembled to the casing 100.

Filter screen subassembly 300 includes filter screen part 301 and filter screen support 302, filter screen part 301 has the open end, filter screen subassembly 300 is installed in lower support 201 with the gesture of open end orientation lower support 201, filter screen part 301 extends to form the pocket form by the open end to oil bath 101 direction, filter screen part 301 extends downwards in FIG. 1 and forms the pocket form promptly, filter screen part 301 covers the lower extreme outside at bent axle 400, filter screen support 302 is inside by open end embedding filter screen part 301, the surface of filter screen support 302 laminates with the internal surface of filter screen part 301, filter screen support 302 all has the laminating position with filter screen part 301 in radial and axial, filter screen support 302 provides radial and axial support for filter screen part 301.

Combine fig. 1, the utility model discloses compressor oil strain structure among the technical scheme sets up in lower supporting 201 and is close to oil bath 101 one side for the lubricating oil of the outside pump sending of warp bent axle 400 provides the filtration, avoids dust or other impurity to get into scroll compressor's bearing, each relative sliding friction surface along with lubricating oil, thereby influences lubricating property. Wherein, filter screen subassembly 300 includes filter screen part 301 and filter screen support 302, the surface of filter screen support 302 laminates with the internal surface of filter screen part 301 mutually, and filter screen support 302 provides radial and axial support for filter screen part 301, and filter screen support 302 is bigger for the support range that filter screen part 301 provided, and support intensity is higher, can support filter screen part 301 better, prevents that filter screen part 301 from warping, guarantees that the compressor fuel feeding is stable.

Wherein, filter screen part 301 can set up to the pocket form such as dome form, column, toper form, and corresponding, filter screen support 302 adopts profile modeling design with filter screen part 301. For example, in some embodiments, referring to fig. 1-4, the filter screen component 301 includes a first cylindrical section 303 extending axially from an open end and a first conical section 304 extending axially from the first cylindrical section 303, a distal end of the first conical section 304 forms a flat top 305, the filter screen holder 302 includes a second cylindrical section 306 extending axially and a second conical section 307 extending axially from the second cylindrical section 306, an outer surface of the second cylindrical section 306 conforms to an inner surface of the first cylindrical section 303, and an outer surface of the second conical section 307 conforms to an inner surface of the first conical section 304. In this embodiment, the filter screen component 301 extends towards the oil sump 101 through the first straight cylinder section 303 and the first conical cylinder section 304, so that not only can an installation space be provided for an oil pumping assembly at the end of the crankshaft 400, but also a sufficient oil inlet space can be provided for lubricating oil by fully increasing the surface area. The filter screen support 302 and the filter screen component 301 are designed in a copying mode, the support range of the filter screen support 302 for the filter screen component 301 is larger, the support strength is higher, the filter screen component 301 can be better supported, the filter screen component 301 is prevented from deforming, and the oil supply stability of the compressor is guaranteed.

Screen support 302 may be of a frame or spiral configuration, for example, in the embodiment shown in fig. 1 and 4, screen support 302 may be formed by spirally winding a wire, which screen support 302 may be more conveniently formed and may provide sufficient internal support for screen member 301.

Further, referring to fig. 4, the wire is bent inwardly at the end of the second conical section 307 to form a bend 308 against the flat top 305, thereby providing support for the flat top 305 of the filter member 301 to prevent the filter member 301 from deforming in the axial direction.

In some embodiments, referring to fig. 1, 2 and 3, the filter screen assembly 300 further comprises a net hoop 309 and a net sleeve 310, the open end of the filter screen component 301 is clamped between the net hoop 309 and the net sleeve 310, the net hoop 309 is annular and is located inside the filter screen component 301, the net sleeve 310 is annular and is located outside the filter screen component 301, the filter screen component 301 defines the open end of a fixed shape through the net hoop 309 and the net sleeve 310, and meanwhile, the filter screen assembly 300 is connected to the lower support 201 through the net sleeve 310.

Further, in some embodiments, referring to fig. 2, 3, and 6, the screen 310 is provided with radially outwardly extending wings 311, the wings 311 are provided with through holes 312, and the screen assembly 300 is attached to the lower support 201 by screws 313 passing through the through holes 312.

Further, in some embodiments, referring to fig. 2, 3 and 5, the net cover 310 is provided with a wing 311 extending radially outward, the wing 311 is provided with a through hole 312, the net cover 310 is made of a magnetic material, the lower support 201 is provided with a fixing pin 314 extending axially and passing through the through hole 312, and the net cover 310 is attached to the lower support 201. The magnetic material of the net cover 310 can adsorb iron filings in the lubricating oil, thereby further preventing the filter screen from being blocked.

Referring to fig. 1, the top end of the filter screen bracket 302 is sleeved outside the lower support 201, and the filter screen bracket 302 is directly connected with the lower support 201, so that the filter screen bracket is not limited to whether an oil pump is included or not, and is not limited to the form and the type of the oil pump, and the application range is wider.

The embodiment of the utility model provides a compressor is still provided, including the compressor oil strain structure in above arbitrary embodiment.

The embodiment of the utility model also provides a temperature regulating device, including the compressor in above arbitrary embodiment, temperature regulating device includes air conditioner, compressor etc..

In the description of the present specification, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. A compressor oil filtering structure, comprising:

a housing;

the lower rack is arranged in the shell, an oil sump is arranged on the back side of the lower rack in the shell, a lower support for supporting a crankshaft is arranged in the middle of the lower rack, and the lower rack is assembled on the shell;

2. The compressor oil filter structure according to claim 1, wherein the filter screen member includes a first cylindrical section extending axially from the open end and a first conical section extending axially from the first cylindrical section, a tip of the first conical section forms a flat top, the filter screen holder includes a second cylindrical section extending axially and a second cylindrical section extending axially from the second cylindrical section, an outer surface of the second cylindrical section is in contact with an inner surface of the first cylindrical section, and an outer surface of the second cylindrical section is in contact with an inner surface of the first conical section.

3. The compressor oil filter construction of claim 2 wherein the filter screen support is formed from a helically wound wire.

4. The compressor oil filter construction of claim 3 wherein the wire is bent inwardly at the end of the second cylindrical section to form a bend against the flat top.

5. The compressor oil filter structure of claim 1, wherein the filter screen assembly further comprises a screen hoop and a screen sleeve, the open end of the filter screen assembly is clamped between the screen hoop and the screen sleeve, the screen hoop is annular and is located inside the filter screen assembly, the screen sleeve is annular and is located outside the filter screen assembly, and the filter screen assembly is connected to the lower support through the screen sleeve.

6. The compressor oil filter construction of claim 5 wherein the screen jacket is provided with radially outwardly extending fins having apertures therethrough, the screen assembly being attached to the lower support by screws passing through the apertures.

7. The oil filter structure of the compressor of claim 5, wherein the net sleeve is provided with a wing extending outwards in the radial direction, the wing is provided with a through hole, the net sleeve is made of a magnetic material, the lower support is provided with a fixing pin extending in the axial direction and penetrating through the through hole, and the net sleeve is adsorbed on the lower support.

8. The compressor oil filter structure according to claim 1, wherein a top end of the filter screen bracket is fitted around an outer side of the lower support.

9. A compressor characterized by comprising the compressor oil filtering structure of any one of claims 1 to 8.

10. A tempering device characterized in comprising the compressor of claim 9.