CN218493812U - Air injection enthalpy increasing pipe connecting structure, compressor and temperature adjusting equipment - Google Patents

Abstract

The utility model discloses a jet-propelled enthalpy gain union coupling structure, compressor and attemperator, include: the air injection enthalpy increasing pipe comprises a first pipe body and a second pipe body which extend along the length direction, wherein the second pipe body forms a necking structure at the end part of the first pipe body, and an axial compression surface is formed at the transition position of the first pipe body and the second pipe body; the enthalpy-increasing pipe mounting hole comprises a first mounting hole and a second mounting hole which extend along the length direction, a step surface is formed at the transition position of the first mounting hole and the second mounting hole, and the air injection through hole extends to a compression cavity of the fixed disc from the second mounting hole; the sealing ring is sleeved on the second pipe body; the air injection enthalpy increasing pipe is arranged in an enthalpy increasing pipe mounting hole of the fixed disc, and the sealing ring is clamped between the axial pressing surface and the step surface. The scheme that an O-shaped ring sealing installation groove is formed in the air injection enthalpy increasing pipe in the prior art is abandoned, the cost is lower, the installation is more convenient, and the risk of poor installation is lower.

Description

Air injection enthalpy increasing pipe connecting structure, compressor and temperature adjusting equipment

Technical Field

The utility model is used for the compressor field especially relates to a jet-propelled enthalpy gain union coupling structure, compressor and attemperator.

Background

In scroll compressors, a gas injection enthalpy increasing tube is typically incorporated into the fixed plate of the scroll compressor, through which a portion of the refrigerant in gaseous form (typically taken from above the liquid level in the receiver tank) is injected into the lower pressure space in the high pressure chamber of the compressor. Such injection of gaseous refrigerant has the effect of increasing refrigeration or improving system capacity and efficiency of the system, thereby increasing the heating capacity of the system in low temperature heating situations.

Most of the existing air-injection enthalpy-increasing pipes of the scroll compressor are welded by copper pipes and steel pipes, the copper pipes are connected together in a welding mode, and the steel pipes are machined to remove materials to form O-shaped ring sealing installation grooves and copper pipe insertion holes. The method has high processing cost and material cost, easy welding deformation of the welding position of the air injection enthalpy-increasing pipe, gas leakage caused by poor welding and the like.

The existing scroll compressor air injection enthalpy-increasing pipe also adopts a copper pipe rolling process to form an O-shaped ring sealing installation groove, and in the mode, because the size of the O-shaped ring sealing installation groove is smaller, the O-shaped ring is not easy to install, the O-shaped ring is damaged in the installation process, and the sealing is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide an air-jet enthalpy-increasing pipe connection structure, compressor and thermoregulation device, it abandons the scheme that sets up O type circle seal installation groove among the prior art on the air-jet enthalpy-increasing pipe, and the cost is lower, and it is more convenient to install, and the bad risk of installation is lower moreover.

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

in a first aspect, a jet enthalpy-increasing pipe connection structure includes:

the air injection enthalpy increasing pipe comprises a first pipe body and a second pipe body, the first pipe body and the second pipe body extend along the length direction, the second pipe body is connected to the tail end of the first pipe body, the outer diameter of the second pipe body is smaller than that of the first pipe body, a necking structure is formed at the end part of the first pipe body by the second pipe body, an axial compression surface is formed at the transition position of the first pipe body and the second pipe body, and the axial compression surface extends around the circumferential direction of the second pipe body;

the enthalpy-increasing pipe mounting hole comprises a first mounting hole and a second mounting hole which extend along the length direction, the second mounting hole is connected to the end part of the first mounting hole, the aperture of the second mounting hole is smaller than that of the first mounting hole, a step surface is formed at the transition position of the first mounting hole and the second mounting hole, and the air-jetting through hole extends from the second mounting hole to a compression cavity of the fixed disc;

the sealing ring is sleeved on the second pipe body;

the air injection enthalpy increasing pipe is mounted in an enthalpy increasing pipe mounting hole of the fixed disc, the end portion of the first pipe body is mounted in the first mounting hole, the second pipe body is mounted in the second mounting hole, and the sealing ring is clamped between the axial pressing surface and the step surface.

With reference to the first aspect, in certain implementations of the first aspect, an outer peripheral surface of the first pipe body is attached to an inner wall surface of the first mounting hole, and an outer peripheral surface of the second pipe body is attached to an inner wall surface of the second mounting hole.

With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the second pipe body is provided with a first guide angle at an end away from the first pipe body.

With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the step surface is provided with a second guide angle transitioning to the second mounting hole.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the enhanced vapor injection pipe extends along a central axis, the central axes of the first pipe body and the second pipe body coincide, the enhanced vapor injection pipe mounting hole extends along the central axis, and the central axes of the first mounting hole and the second mounting hole coincide.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the air injection enthalpy increasing pipe includes a third pipe body connected to a front end of the first pipe body, an outer diameter of the third pipe body is larger than an outer diameter of the first pipe body, and the third pipe body forms a flaring structure at the front end of the first pipe body.

With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the first tube body, the second tube body, and the third tube body are integrally manufactured.

With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the fixed plate extends from a back-side end surface to a mirror surface in a thickness direction, the enthalpy-increasing tube mounting hole extends from the back-side end surface to the mirror surface in the thickness direction, the enthalpy-increasing tube mounting hole is closed before extending to the mirror surface, and the air injection through hole extends from the enthalpy-increasing tube mounting hole to the mirror surface in the thickness direction.

In a second aspect, a compressor comprises the jet enthalpy-increasing pipe connection structure according to any one of the implementations of the first aspect.

In a third aspect, a temperature regulating device comprises 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 technical scheme of the utility model abandon the scheme that sets up O type circle seal installation groove among the prior art on jet-propelled enthalpy gain pipe, it sets up to the different first body and the second body of pipe diameter through with jet-propelled enthalpy gain pipe, form the throat structure at jet-propelled enthalpy gain pipe tip, with be used for installing O type circle, the corresponding enthalpy gain pipe mounting hole with the fixed disk sets the first mounting hole and the second mounting hole that the aperture is different into, come respectively to correspond the cooperation with first body and second body, the final axial through jet-propelled enthalpy gain pipe compresses tightly the face and presss from both sides tight sealing washer with the step face of enthalpy gain pipe mounting hole, sealing washer compression deformation plays sealed effect. The technical scheme of the utility model the cost is lower, and it is more convenient to install, and the bad risk of installation is lower moreover.

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 the air injection enthalpy-increasing pipe connection structure of the present invention;

FIG. 2 is a schematic view of an embodiment enhanced vapor injection tube configuration shown in FIG. 1;

FIG. 3 is a schematic view of the structure of the fixed plate of the embodiment shown in FIG. 1;

FIG. 4 is an enlarged view of a portion A of FIG. 3;

fig. 5 is a schematic diagram showing the exploded state of the air injection enthalpy-increasing pipe, the fixed disc and the sealing ring according to the embodiment shown in fig. 1.

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 as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

The embodiment of the utility model provides a jet-propelled enthalpy-increasing pipe connection structure, it is used for the connection and the sealing of jet-propelled enthalpy-increasing pipe on the fixed disk.

Referring to fig. 1 to 5, the air injection enthalpy increasing pipe connection structure includes an air injection enthalpy increasing pipe 100, a fixed disc 200 and a sealing ring 300, and the air injection enthalpy increasing pipe 100 is used for injecting refrigerant in a gaseous form into a space with a lower pressure in a high pressure chamber of a compressor, thereby achieving the effect of increasing the capacity and efficiency of a refrigeration or system.

The air-jet enthalpy-increasing pipe 100 comprises a first pipe body 101 and a second pipe body 102 which extend along the length direction, the length of the first pipe body 101 is determined according to the structural design of a compressor, the second pipe body 102 is connected to the tail end of the first pipe body 101, the outer diameter of the second pipe body 102 is smaller than that of the first pipe body 101, the second pipe body 102 forms a necking structure at the end part of the first pipe body 101, an axial pressing surface 103 is formed at the transition position of the first pipe body 101 and the second pipe body 102, the axial pressing surface 103 is a slope surface or a step surface, the axial pressing surface 103 extends around the circumferential direction of the second pipe body 102, the axial pressing surface 103 is used for being matched with a fixed disc 200 to press a sealing ring 300, and positioning and sealing assembly of the sealing ring 300 between the air-jet enthalpy-increasing pipe 100 and the fixed disc 200 are achieved.

The fixed disc 200 is provided with an enthalpy-increasing pipe mounting hole and an air injection through hole 205, the enthalpy-increasing pipe mounting hole comprises a first mounting hole 201 and a second mounting hole 202 which extend along the length direction, the second mounting hole 202 is connected to the end portion of the first mounting hole 201, the aperture of the second mounting hole 202 is smaller than that of the first mounting hole 201, the first mounting hole 201 and the second mounting hole 202 form a stepped hole, a stepped surface 203 is formed at the transition position of the first mounting hole 201 and the second mounting hole 202, and the air injection through hole 205 extends from the second mounting hole 202 to a compression cavity 204 of the fixed disc 200.

The sealing ring 300 is sleeved on the second pipe body 102, the air injection enthalpy increasing pipe 100 is installed in an enthalpy increasing pipe installation hole of the fixed disc 200, the end portion of the first pipe body 101 is installed in the first installation hole 201, the second pipe body 102 is installed in the second installation hole 202, and the sealing ring 300 is clamped between the axial pressing surface 103 and the step surface 203.

The technical scheme of the utility model abandon the scheme that sets up O type circle seal installation groove among the prior art on jet-propelled enthalpy gain pipe 100, it is through setting up jet-propelled enthalpy gain pipe 100 into the different first body 101 of pipe diameter and second body 102, form the throat structure at jet-propelled enthalpy gain pipe 100 tip, so as to be used for installing O type circle, the enthalpy gain pipe mounting hole that corresponds with price fixing 200 sets into the different first mounting hole 201 in aperture and second mounting hole 202, come to correspond the cooperation with first body 101 and second body 102 respectively, the axial compression face 103 through jet-propelled enthalpy gain pipe 100 and the step face 203 of enthalpy gain pipe mounting hole press from both sides tight sealing washer 300, sealing washer 300 compression deformation plays sealed effect. The necking part formed by the second tube body 102 of the air injection enthalpy-increasing tube 100 can adopt a rolling process and a necking process, the processing cost is low, materials are saved, the installation of the sealing ring 300 is convenient, the sealing ring 300 is not required to be excessively expanded to be installed in an annular groove, and meanwhile, the sealing ring is combined with a step of a stepped hole to be installed, so that the reliability of the sealing performance is ensured. The technical scheme of the utility model for prior art cost is lower, it is more convenient to install, and the bad risk of installation is lower moreover.

The sections of the air injection enthalpy increasing pipe 100 and the enthalpy increasing pipe mounting holes can be formed in a circular, oval or polygonal shape, for example, in some embodiments, the sections of the air injection enthalpy increasing pipe 100 and the enthalpy increasing pipe mounting holes are circular, and, referring to fig. 1, the outer peripheral surface of the first pipe body 101 is attached to the inner wall surface of the first mounting hole 201, and the outer peripheral surface of the second pipe body 102 is attached to the inner wall surface of the second mounting hole 202, so that the connection strength and the sealing performance are ensured.

In some embodiments, referring to fig. 2, the second tube 102 is provided with a first guiding angle 104 at an end away from the first tube 101 to facilitate the installation and insertion of the sealing ring 300 into the enthalpy-increasing tube installation hole of the fixed plate 200.

In some embodiments, referring to fig. 4, the stepped surface 203 is provided with a second guiding angle 206 transitioning to the second mounting hole 202, and the second body 102 of the air injection enthalpy increasing pipe 100 is guided when inserted into the second mounting hole 202.

For ease of forming and installation, in some embodiments, the air injection enthalpy gain tube 100 extends along a central axis, the central axes of the first tube 101 and the second tube 102 coincide, the enthalpy gain tube mounting hole extends along the central axis, and the central axes of the first mounting hole 201 and the second mounting hole 202 coincide.

In some embodiments, referring to fig. 1 and 2, the air-injection enthalpy-increasing pipe 100 includes a third pipe 105, the third pipe 105 is connected to the front end of the first pipe 101, the outer diameter of the third pipe 105 is larger than the outer diameter of the first pipe 101, the third pipe 105 forms a flaring structure at the front end of the first pipe 101, after the air-injection enthalpy-increasing pipe 100 is connected to the fixed plate 200, the third pipe 105 of the air-injection enthalpy-increasing pipe 100 extends out of the shell of the compressor for connecting the compressor with the refrigeration system pipeline.

In some embodiments, referring to fig. 2, the first tube 101, the second tube 102 and the third tube 105 are integrally manufactured to reduce the manufacturing cost.

The air injection enthalpy-increasing pipe 100 can be transversely or vertically mounted on the fixed disc 200, for example, in some embodiments, referring to fig. 1, 3 and 5, the fixed disc 200 extends from a back side end surface 207 to the mirror surface 208 along the thickness direction, the mirror surface 208 is provided with a fixed scroll wrap matched with an movable scroll wrap, the enthalpy-increasing pipe mounting hole extends from the back side end surface 207 to the mirror surface 208 along the thickness direction, the enthalpy-increasing pipe mounting hole is stopped before extending to the mirror surface 208, and the air injection through hole 205 extends from the enthalpy-increasing pipe mounting hole to the mirror surface 208 along the thickness direction.

The embodiment of the utility model also provides a compressor, including the jet-propelled enthalpy-increasing pipe connection structure in above arbitrary embodiment.

The embodiment of the utility model also provides a thermoregulation device, including the compressor in above arbitrary embodiment. The temperature adjusting device includes a refrigerator, an air conditioner, and the like.

In the description herein, 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 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 of the claims of the present application.

Claims (10)

1. A jet enthalpy-increasing pipe connecting structure is characterized by comprising:

the air injection enthalpy increasing pipe comprises a first pipe body and a second pipe body, the first pipe body and the second pipe body extend along the length direction, the second pipe body is connected to the tail end of the first pipe body, the outer diameter of the second pipe body is smaller than that of the first pipe body, a necking structure is formed at the end part of the first pipe body by the second pipe body, an axial compression surface is formed at the transition position of the first pipe body and the second pipe body, and the axial compression surface extends around the circumferential direction of the second pipe body;

the fixed disc is provided with an enthalpy-increasing pipe mounting hole and a gas injection through hole, the enthalpy-increasing pipe mounting hole comprises a first mounting hole and a second mounting hole which extend along the length direction, the second mounting hole is connected to the end part of the first mounting hole, the aperture of the second mounting hole is smaller than that of the first mounting hole, a step surface is formed at the transition position of the first mounting hole and the second mounting hole, and the gas injection through hole extends from the second mounting hole to a compression cavity of the fixed disc;

the sealing ring is sleeved on the second pipe body;

the air injection enthalpy increasing pipe is mounted in an enthalpy increasing pipe mounting hole of the fixed disc, the end portion of the first pipe body is mounted in the first mounting hole, the second pipe body is mounted in the second mounting hole, and the sealing ring is clamped between the axial pressing surface and the step surface.

2. The air injection enthalpy gain pipe connection structure according to claim 1, wherein an outer peripheral surface of the first pipe body abuts an inner wall surface of the first mounting hole, and an outer peripheral surface of the second pipe body abuts an inner wall surface of the second mounting hole.

3. The air injection enthalpy gain pipe connection structure according to claim 1, wherein the second pipe body is provided with a first guide angle at an end away from the first pipe body.

4. The air injection enthalpy gain pipe connection structure according to claim 1, wherein the step surface is provided with a second guide angle that transitions to the second mounting hole.

5. The air injection enthalpy-increasing pipe connection structure according to claim 1, wherein the air injection enthalpy-increasing pipe extends along a central axis, the central axes of the first pipe body and the second pipe body coincide, the enthalpy-increasing pipe mounting hole extends along the central axis, and the central axes of the first mounting hole and the second mounting hole coincide.

6. The enthalpy-increasing pipe connection structure according to claim 1, wherein the enthalpy-increasing pipe includes a third pipe body connected to a front end of the first pipe body, an outer diameter of the third pipe body being larger than an outer diameter of the first pipe body, the third pipe body forming a flared structure at the front end of the first pipe body.

7. The air injection enthalpy gain pipe connection structure according to claim 6, wherein the first pipe body, the second pipe body, and the third pipe body are integrally manufactured.

8. The air injection enthalpy gain pipe connection structure according to claim 1, wherein the fixed plate extends in a thickness direction from a back side end surface to a mirror surface, the enthalpy gain pipe installation hole extends in a thickness direction from the back side end surface to the mirror surface, the enthalpy gain pipe installation hole is closed before extending to the mirror surface, and the air injection through hole extends in a thickness direction from the enthalpy gain pipe installation hole to the mirror surface.

9. A compressor comprising the air injection enthalpy-increasing pipe connection structure according to any one of claims 1 to 8.

10. Tempering device, characterized in that it comprises a compressor according to claim 9.

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