CN219299646U

CN219299646U - Ejector with refrigeration cycle function

Info

Publication number: CN219299646U
Application number: CN202223492312.8U
Authority: CN
Inventors: 顾贤
Original assignee: Jiangyin Huaneng Electric Heating Product Co ltd
Current assignee: Jiangyin Huaneng Electric Heating Product Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-07-04
Anticipated expiration: 2032-12-27

Abstract

The utility model is suitable for an ejector, and provides an ejector with a refrigeration cycle function, which comprises an ejector tube; the side surface of the periphery of the jet pipe is sleeved with a cooling guide sleeve; one end of the injection pipe is connected with a liquid outlet end sleeve in a threaded manner; the other end of the injection pipe is connected with a liquid inlet end sleeve in a threaded manner; a necking nozzle is sleeved between the inner end part of the injection pipe and the liquid inlet end sleeve; the annular array on the inner wall of the cooling guide sleeve is provided with a separation strip; a gap is reserved between the end parts of the two adjacent separation strips and the inner end part of the cooling guide sleeve; the cooling guide sleeve is sleeved on the peripheral side surface of the injection pipe, and the cooling guide sleeve is used for cooling the whole injector after being injected with the refrigerant liquid under the sealing effect of the first sealing ring and the second sealing ring, and meanwhile, the cooling guide sleeve is integrally spliced and installed, so that part of components are conveniently detached and replaced, and the use cost is reduced.

Description

Ejector with refrigeration cycle function

Technical Field

The utility model relates to the technical field of ejectors, in particular to an ejector with a refrigeration cycle function.

Background

The injector, also called as injection pump, has simple structure, easy processing, lower cost, reliable operation, convenient installation and maintenance and good sealing property since the application of the injector to the industrial field in the 50-60 th century. The advantages of wide application and the like are widely applied to industries such as petrochemical industry, medicine, metallurgy, grease and the like.

The existing ejector is generally made of metal materials in an integrated mode, the metal materials are poor in heat resistance for guiding and conveying high-temperature liquid for a long time, the whole ejector needs to be replaced for corrosion of part of positions, the ejector cannot be split conveniently, the service life is low, and the actual use requirement cannot be met.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the injector which can resist high temperature and is convenient to split and replace.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an ejector with refrigeration cycle function comprises an ejector tube; the cooling guide sleeve is sleeved on the side face of the periphery of the jet pipe; a liquid outlet end sleeve is connected with one end of the injection pipe in a threaded manner; the other end of the injection pipe is connected with a liquid inlet end sleeve in a threaded manner; a necking nozzle is sleeved between the inner end part of the injection pipe and the liquid inlet end sleeve; the annular array of the inner wall of the cooling guide sleeve is provided with a separation strip; a gap is reserved between the end parts of the adjacent two separation strips and the inner end part of the cooling guide sleeve; the outer peripheral side surface of the cooling guide sleeve is respectively communicated with a refrigerant inlet and a refrigerant outlet.

The utility model is further provided with: an external thread matched with the liquid outlet end sleeve is formed on one end surface of the injection pipe; the other end of the injection pipe is provided with a threaded joint matched with the liquid inlet end sleeve.

The utility model is further provided with: a mixing cavity is arranged in one end, close to the liquid inlet end sleeve, of the injection pipe; the side surface of the periphery of the injection pipe is provided with a negative pressure port communicated with the mixing cavity; the angle between the negative pressure port and the injection pipe is 30-50 degrees.

The utility model is further provided with: and a first sealing ring and a second sealing ring are respectively arranged between the two end parts of the cooling guide sleeve and the side surface of the periphery of the injection pipe.

The utility model is further provided with: and the inner annular array of the injection pipe close to the liquid inlet end sleeve is provided with a limit clamping groove.

The utility model is further provided with: the end part of the liquid inlet end sleeve is provided with a liquid inlet port; and the inside of the liquid inlet port is provided with a pressing ring.

The utility model is further provided with: the necking mouth is of a horn-shaped structure; a limiting ring propped against the pressing ring is arranged at the edge of the flaring end of the necking nozzle; and a limiting lug matched with the limiting clamping groove is annularly arranged on the surface of one end of the limiting ring, which is close to the necking mouth.

The utility model has the advantages that the cooling guide sleeve is sleeved on the peripheral side surface of the injection pipe, the whole injector is cooled under the sealing action of the first sealing ring and the second sealing ring after the refrigerant liquid is injected, and meanwhile, the whole injector is spliced and installed, so that part of parts are conveniently detached and replaced, and the use cost is reduced.

Drawings

Fig. 1 is a schematic diagram of an ejector having a refrigeration cycle function according to the present utility model.

Fig. 2 is a schematic cross-sectional view of an ejector having a refrigeration cycle function according to the present utility model.

Fig. 3 is a schematic structural view of the ejector tube of the present utility model.

Fig. 4 is a schematic structural view of a cooling guide sleeve according to the present utility model.

FIG. 5 is a schematic view of the structure of the liquid inlet end cap of the present utility model.

Fig. 6 is a schematic view of the structure of the necking nozzle of the present utility model.

In the figure: 1. a jet pipe; 2. cooling the guide sleeve; 3. a liquid outlet end sleeve; 4. a liquid inlet end sleeve; 5. a necking mouth; 6. a first seal ring; 7. a second seal ring; 101. an external thread; 102. a threaded joint; 103. a mixing chamber; 104. a negative pressure port; 105. a limit clamping groove; 201. a separator bar; 202. a refrigerant inlet; 203. a refrigerant outlet; 401. a liquid inlet port; 402. pressing the ring; 501. a limiting ring; 502. and a limit bump.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Examples

Referring to fig. 1-6, the present utility model provides the following technical solutions:

specifically, the ejector with the refrigeration cycle function comprises an ejector tube 1; the cooling guide sleeve 2 is sleeved on the side surface of the periphery of the jet pipe 1; a first sealing ring 6 and a second sealing ring 7 are respectively arranged between the two ends of the cooling guide sleeve 2 and the peripheral side surface of the injection pipe 1; the annular array on the inner wall of the cooling guide sleeve 2 is provided with a separation strip 201; a gap is reserved between the end parts of the adjacent two separation strips 201 and the inner end part of the cooling guide sleeve 2; the outer peripheral side surface of the cooling guide sleeve 2 is respectively communicated with a refrigerant inlet 202 and a refrigerant outlet 203; the cooling guide sleeve 2 is sealed under the action of the first sealing ring 6 and the second sealing ring 7, refrigerant liquid is led in through the refrigerant inlet 202, the separation strip 201 positioned on the inner wall of the cooling guide sleeve 2 separates the led-in refrigerant liquid and circulates through the gap at the end part of the separation strip 201, so that the cooling guide sleeve 2 carries out cooling treatment on the whole injection pipe 1, and one end part of the cooling guide sleeve injection pipe 1 is in threaded connection with the liquid outlet end sleeve 3; the other end of the injection pipe 1 is connected with a liquid inlet end sleeve 4 in a threaded manner; an external thread 101 matched with the liquid outlet end sleeve 3 is arranged on one end surface of the injection pipe 1; the other end of the injection pipe 1 is provided with a screwed joint 102 matched with the liquid inlet end sleeve 4; a mixing cavity 103 is arranged in one end of the injection pipe 1 close to the liquid inlet end sleeve 4; the side surface of the periphery of the injection pipe 1 is provided with a negative pressure port 104 which is communicated with the mixing cavity 103; the angle between the negative pressure port 104 and the ejector tube 1 is 40 °; the inner annular array of the injection pipe 1 close to the liquid inlet end sleeve 4 is provided with a limit clamping groove 105; the end part of the liquid inlet end sleeve 4 is provided with a liquid inlet port 401; a pressing ring 402 is arranged in the liquid inlet port 401; a necking nozzle 5 is sleeved between the inner end part of the injection pipe 1 and the liquid inlet end sleeve 4; the necking nozzle 5 is of a horn-shaped structure; the edge of the flaring end of the necking nozzle 5 is provided with a limiting ring 501 which is propped against the pressing ring 402; the limiting ring 501 is provided with limiting lugs 502 matched with limiting clamping grooves 105 in an annular array on one end surface close to the necking mouth 5, the pressing ring 402 at the inner end part of the liquid inlet end sleeve 4 is propped against the necking mouth 5 and is connected with each other through the threaded joint 102 at the end part of the injection pipe 1, the necking mouth 5 is fixed, parts are convenient to split and replace, liquid flows into the liquid inlet port 401 and is accelerated when passing through the necking mouth 5, negative pressure is formed in the mixing cavity 103, additive liquid is pumped into the mixing cavity 103 through the negative pressure port 104 to be mixed, and the additive liquid is injected and guided out from the liquid outlet end sleeve 3 after being guided by the injection pipe 1.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. An ejector having a refrigeration cycle function, characterized in that:

comprises a spray pipe (1); the cooling guide sleeve (2) is sleeved on the side surface of the periphery of the jet pipe (1);

a liquid outlet end sleeve (3) is connected with one end of the injection pipe (1) in a threaded manner; the other end of the injection pipe (1) is connected with a liquid inlet end sleeve (4) in a threaded manner;

a necking nozzle (5) is sleeved between the inner end part of the injection pipe (1) and the liquid inlet end sleeve (4);

the annular array on the inner wall of the cooling guide sleeve (2) is provided with a separation strip (201); a gap is reserved between the end parts of two adjacent separation strips (201) and the inner end part of the cooling guide sleeve (2); the outer peripheral side surface of the cooling guide sleeve (2) is respectively communicated with a refrigerant inlet (202) and a refrigerant outlet (203).

2. An ejector having a refrigeration cycle function according to claim 1, wherein: an external thread (101) matched with the liquid outlet end sleeve (3) is formed on one end surface of the injection pipe (1); the other end of the injection pipe (1) is provided with a screwed joint (102) matched with the liquid inlet end sleeve (4).

3. An ejector having a refrigeration cycle function according to claim 1, wherein: a mixing cavity (103) is arranged in one end of the injection pipe (1) close to the liquid inlet end sleeve (4); the side surface of the periphery of the injection pipe (1) is provided with a negative pressure port (104) communicated with the mixing cavity (103); the angle between the negative pressure port (104) and the injection pipe (1) is 30-50 degrees.

4. An ejector having a refrigeration cycle function according to claim 1, wherein: a first sealing ring (6) and a second sealing ring (7) are respectively arranged between the two end parts of the cooling guide sleeve (2) and the outer peripheral side surface of the injection pipe (1).

5. An ejector having a refrigeration cycle function according to claim 1, wherein: limiting clamping grooves (105) are formed in the injection pipe (1) close to the annular array inside the liquid inlet end sleeve (4).

6. An ejector having a refrigeration cycle function according to claim 5, characterized in that: the end part of the liquid inlet end sleeve (4) is provided with a liquid inlet port (401); the inside of the liquid inlet port (401) is provided with a pressing ring (402).

7. An ejector having a refrigeration cycle function according to claim 6, wherein: the necking mouth (5) is of a horn-shaped structure; a limiting ring (501) which is propped against the pressing ring (402) is arranged at the edge of the flaring end of the necking nozzle (5); and a limiting lug (502) matched with the limiting clamping groove (105) is annularly arranged on the surface of one end of the limiting ring (501) close to the necking mouth (5).