CN215864151U - Tube seat structure of back-in evaporator - Google Patents

Abstract

The utility model discloses a tube seat structure of a back-in evaporator, and relates to the field of automobile air conditioning devices. The technical scheme includes that the device comprises a connecting plate, wherein a liquid inlet pipe and a liquid outlet pipe are vertically and fixedly arranged on the connecting plate, the liquid inlet pipe and the liquid outlet pipe are arranged in parallel at intervals, a flow dividing pipe is coaxially and fixedly arranged at the bottom end of the liquid inlet pipe, and at least one flow dividing hole is formed in the radial direction of the flow dividing pipe. This tube socket structure realizes the reposition of redundant personnel of refrigerant medium through the setting of reposition of redundant personnel hole, makes the refrigerant medium as far as possible even flow in each cooling tube, makes temperature distribution even, promotes refrigeration performance to make windage and flow resistance as little as possible through the reposition of redundant personnel, improved the energy utilization efficiency of car, simple structure is firm, design scientific and reasonable, the cost is reduced, and easily preparation.

Description

Tube seat structure of back-in evaporator

Technical Field

The utility model belongs to the field of automobile air conditioning devices, relates to a refrigerant inlet and outlet pipe seat, and particularly relates to a pipe seat structure of a back-inlet type evaporator.

Background

The evaporator is a heat exchange container of an automobile air conditioning system, and is an indispensable part for enabling an automobile air conditioner to realize a refrigeration function. The refrigerant continuously absorbs the external heat in the evaporator, so that the temperature of the space is reduced. When the refrigerant gets into the evaporimeter, because of its pressure is big, most refrigerant can be along the direct flow of feed liquor pipe in the cooling tube that corresponds, lead to the temperature distribution inhomogeneous, reduced refrigeration performance, consequently need design a novel tube socket structure of formula evaporimeter is advanced to the back of the body.

SUMMERY OF THE UTILITY MODEL

To overcome the problems of the related art, the disclosed embodiments of the present invention provide a tube seating structure of a back-feed evaporator. The technical scheme is as follows:

according to a first aspect of the disclosed embodiment of the present invention, a tube seat structure of a back-feed evaporator is provided, which includes a connecting plate, a liquid inlet tube and a liquid outlet tube are vertically and fixedly installed on the connecting plate, the liquid inlet tube and the liquid outlet tube are arranged in parallel at intervals, and a shunt tube is coaxially and fixedly installed at a bottom end of the liquid inlet tube.

In one embodiment, the shunt tube is radially formed with at least one shunt hole.

In one embodiment, the two shunting holes are symmetrically arranged.

In one embodiment, the upper end parts of the liquid inlet pipe and the liquid outlet pipe are respectively provided with a liquid inlet pipe annular groove and a liquid outlet pipe annular groove.

In one embodiment, the lower ends of the liquid inlet pipe and the liquid outlet pipe are respectively provided with a liquid inlet pipe annular concave platform and a liquid outlet pipe annular concave platform.

In one embodiment, the connecting plate between the liquid inlet pipe and the liquid outlet pipe is provided with a threaded hole for connecting the expansion valve.

In one embodiment, the liquid inlet pipe, the liquid outlet pipe and the connecting plate are integrally manufactured.

In one embodiment, the web is mounted obliquely to the evaporator header.

The technical scheme provided by the embodiment of the utility model has the following beneficial effects:

1. the tube seat structure realizes the shunting of the refrigerant medium through the arrangement of the shunting holes, so that the refrigerant medium flows into each radiating tube as uniformly as possible, and through shunting, the air resistance and the flow resistance are reduced, the temperature distribution is uniform, the refrigerating performance is improved, and the energy utilization efficiency of an automobile is improved.

2. The liquid outlet pipe and the annular groove arranged at the upper end of the liquid inlet pipe of the pipe seat structure can enable the refrigerant to be more firmly connected to the pipe seat, and the refrigerant is not easy to fall off.

3. The annular concave platform that the drain pipe and the feed liquor pipe lower extreme of this tube socket structure set up makes the tube socket more simple and convenient when tube socket and pressure manifold welding, and the closure is better.

4. The threaded hole arranged in the pipe seat structure ensures the reliable connection between the evaporator and the expansion valve.

5. The liquid inlet pipe, the liquid outlet pipe and the connecting plate of the pipe seat structure are integrally manufactured, the structure is stable, and the cost is reduced.

6. This tube seat structure slope is installed on the pressure manifold for the pipe diameter increase of feed liquor pipe and drain pipe increases the refrigerant admission volume, promotes refrigeration performance.

7. The tube seat has simple and stable structure, scientific and reasonable design, reduced cost and easy manufacture.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a connection diagram of the present invention to an evaporator;

reference numerals:

1. liquid outlet pipe 101, liquid outlet pipe annular groove 2 and connecting plate

3. Threaded hole 4, liquid inlet pipe 401, liquid inlet pipe annular groove

5. Liquid outlet pipe annular concave table 6, liquid inlet pipe annular concave table 7 and shunting hole

8. Flow dividing pipe 9 and flow collecting pipe

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Fig. 1 is a perspective view schematically illustrating a tube seat structure of a back-feed evaporator according to the present disclosure. According to the drawings 1-2, the automobile air conditioner comprises a connecting plate 2, a liquid inlet pipe 4 and a liquid outlet pipe 1 are vertically arranged on the connecting plate 2, the liquid inlet pipe 4 and the liquid outlet pipe 1 are axially arranged in parallel at intervals, a shunt pipe 8 is coaxially welded at the bottom end of the liquid inlet pipe 4, at least one shunt hole 7 is formed in the shunt pipe 8, and it needs to be further pointed out that refrigerant shunting is realized through the shunt hole 7, so that the wind resistance and the flow resistance are reduced, the automobile is more energy-saving, the whole structure is simple, and the cost is low.

The number of the flow distribution holes 7 is two, the flow distribution holes 7 are radially and symmetrically arranged on the flow distribution pipe 8, and it needs to be further pointed out that the refrigerant entering the evaporator is distributed by the two flow distribution holes 7 and the lower port of the flow distribution pipe 8, so that the refrigerant can enter different radiating pipes, the uniform temperature distribution is realized, and the cooling performance is improved.

The upper ends of the liquid inlet pipe 4 and the liquid outlet pipe 1 are respectively provided with a liquid inlet pipe annular groove 401 and a liquid outlet pipe annular groove 101, and the liquid inlet pipe annular groove 401 and the liquid outlet pipe annular groove 101 enable the refrigerant to enter and exit the liquid pipe, and the refrigerant is tightly connected with the liquid inlet pipe 4 and the liquid outlet pipe 1 and is not easy to separate.

The liquid inlet pipe 4 and the lower end of the liquid outlet pipe 1 are provided with a liquid inlet pipe annular concave table 6 and a liquid outlet pipe annular concave table 5, the liquid inlet pipe annular concave table 6 and the liquid outlet pipe annular concave table 5 are arranged in the collecting pipe 9, the upper end parts of the annular concave table 6 and the annular concave table 5 are welded with the collecting pipe 9, and it needs to be further pointed out that the annular concave table 6 and the annular concave table 5 enable the pipe seat to be more conveniently welded with the collecting pipe 9, and the sealing performance is enhanced.

The connecting plate 2 between the liquid inlet pipe 4 and the liquid outlet pipe 1 is provided with two threaded holes 3 for connecting the expansion valve, the threaded holes 3 are symmetrically arranged on the connecting plate 2, and it needs to be further pointed out that the threaded holes 3 ensure the tight connection between the evaporator and the expansion valve.

The liquid inlet pipe 4, the liquid outlet pipe 1 and the connecting plate 2 are integrally manufactured, the manufacturing process is simple, and the structure is stable.

The connecting plate 2 is obliquely arranged on the collecting pipe 9 of the evaporator, so that the pipe diameters of the liquid inlet pipe 4 and the liquid outlet pipe 1 of the evaporator with the same volume are increased, the flow of refrigerants in unit time is improved, and the refrigerating performance is effectively improved.

Table 1 shows experimental data of the refrigerating capacities using different tube sockets, and it can be known from the test results that the performance of the tube socket structure of the present application is improved by 10% compared with the performance of the common tube socket, and the temperature distribution in the evaporator using the tube socket structure of the present application is superior to that of the common tube socket.

TABLE 1

Under the condition of using the evaporators with the same specification and model, the tube seat structure can ensure that the temperature distribution is optimized on the original basis, improve the refrigeration performance, and play a great role in reducing weight and cost of parts.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure should be limited only by the attached claims.

Claims (8)

1. The tube seat structure of the back-feed evaporator is characterized by comprising a connecting plate (2), wherein a liquid inlet tube (4) and a liquid outlet tube (1) are vertically and fixedly arranged on the connecting plate (2), the liquid inlet tube (4) and the liquid outlet tube (1) are arranged in parallel at intervals, and a shunt tube (8) is coaxially and fixedly arranged at the bottom end part of the liquid inlet tube (4).

2. The tube support structure of a back-feed evaporator according to claim 1, wherein the shunt tube (8) is formed with at least one shunt hole (7) radially.

3. The tube support structure of a back-feed evaporator according to claim 2, wherein the two branch holes (7) are symmetrically arranged.

4. Tube seat structure for a back-feed evaporator according to claim 1, characterized in that the upper ends of the inlet tube (4) and the outlet tube (1) are formed with an inlet tube annular groove (401) and an outlet tube annular groove (101), respectively.

5. Tube seat structure for a back-feed evaporator according to claim 1, characterized in that the lower ends of the inlet tube (4) and the outlet tube (1) are formed with an inlet tube annular recess (6) and an outlet tube annular recess (5), respectively.

6. Tube support structure for a back-feed evaporator according to claim 1, characterized in that the connection plate (2) between the inlet tube (4) and the outlet tube (1) is provided with threaded holes (3) for connection to an expansion valve.

7. The tube seat structure of a back-feed evaporator according to claim 1, wherein the liquid inlet tube (4), the liquid outlet tube (1) and the connecting plate (2) are integrally formed.

8. Tube support structure for a back-feed evaporator according to claim 1, characterised in that the web (2) is mounted obliquely to the evaporator collecting main (9).

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