CN221097650U - Bidirectional electronic expansion valve - Google Patents

Abstract

The utility model relates to the technical field of expansion valves, in particular to a bidirectional electronic expansion valve, which comprises a valve body, a valve body and a valve body, wherein the valve body is used for adjusting liquid supply quantity; the valve head is arranged at the top end of the valve body and is used for driving the valve body; the valve rod is arranged in the valve body and is used for cutting off flow of the valve body; the two valve pipes are arranged at the tail end of the valve body and used for the outlet and the inlet of the refrigerant, and the outside of the valve pipes is provided with a protection component; the valve chamber is arranged between the two valve pipes and is used for communicating the two valve pipes, the refrigerant can circulate in the valve chamber, and the first protection pipe and the second protection pipe which are in threaded connection with the connecting pipe can move towards the joint of the valve pipe and the air conditioning pipeline at the same time by rotating the connecting pipe. According to the utility model, through the effect of the protection component, the problems that the connection mode of the electronic expansion valve is complex, the maintenance cost is high, and once the electronic expansion valve is loose in connection, faults occur, the maintenance cost is high and corresponding parts are required to be replaced in the prior art are solved.

Description

Bidirectional electronic expansion valve

Technical Field

The utility model relates to the technical field of expansion valves, in particular to a bidirectional electronic expansion valve.

Background

The electronic expansion valve uses the electric signal generated by the adjusted parameter to control the voltage or current applied on the expansion valve, thereby achieving the purpose of adjusting the liquid supply amount. The application of the electronic expansion valve is mature with the progress and development of the technology.

The existing electronic expansion valve has high control precision, however, the connection mode is complex, the maintenance cost is high, and once the electronic expansion valve is loose in connection, the electronic expansion valve breaks down, so that the maintenance cost is high, and corresponding parts are required to be replaced.

Therefore, it is necessary to invent a two-way electronic expansion valve to solve the above problems.

Disclosure of utility model

The utility model aims to provide a bidirectional electronic expansion valve, which solves the problems that the connection mode of the electronic expansion valve is complex, the maintenance cost is high, and once the connection of the electronic expansion valve is loose, the electronic expansion valve fails, the maintenance cost is high and corresponding parts are required to be replaced through the effect of a protection component.

In order to achieve the above object, the present utility model provides the following technical solutions: a two-way electronic expansion valve, comprising

The valve body is used for adjusting the liquid supply amount;

The valve head is arranged at the top end of the valve body and is used for driving the valve body;

the valve rod is arranged in the valve body and is used for cutting off flow of the valve body;

The two valve pipes are arranged at the tail end of the valve body and used for the outlet and the inlet of the refrigerant, and the outside of the valve pipes is provided with a protection component;

The valve chamber is arranged between the two valve pipes and is used for communicating the two valve pipes, and the refrigerant can flow in the valve chamber.

Preferably, a slide bar is arranged at the top end of the valve head, coils are arranged at two sides of the slide bar, and a protective ring seat is arranged on the outer wall of the slide bar.

Preferably, the movable groove is formed in the lower side of the valve rod, the inner size of the movable groove is matched with the outer size of the valve rod, the buffer spring is arranged in the movable groove, and the valve rod penetrates through the buffer spring.

Preferably, the bottom end of the valve rod extends to the inside of the valve chamber, the bottom end of the valve rod is fixedly connected with a fixed block, the bottom end outlet of the valve chamber is fixedly connected with a sealing ring, and the outer dimension of the fixed block is matched with the inner dimension of the sealing ring.

Preferably, the protection assembly comprises a connecting pipe, a first protection pipe and a second protection pipe, threads with opposite directions at two ends are arranged on the outer walls of two sides of the connecting pipe, one side of the connecting pipe is connected with the first protection pipe in a threaded manner, and the other side of the connecting pipe is connected with the second protection pipe in a threaded manner.

Preferably, the first protection tube and the second protection tube are symmetrically distributed about a central axis of the connecting tube, an inner dimension of the connecting tube is slightly larger than an outer dimension of the valve tube, and an inner wall of the first protection tube is attached to an outer wall of the second protection tube.

Preferably, the upper and lower both sides fixedly connected with mounting panel of first protection tube, and the mounting hole has been seted up to the outer wall equidistance of mounting panel.

In the technical scheme, the utility model has the technical effects and advantages that:

Through rotating the connecting pipe, make with connecting pipe threaded connection's first protection tube and second protection tube remove to valve pipe and air conditioning pipeline's junction simultaneously, but first protection tube and second protection tube clamp connection department to guarantee the position that the connecting pipe can fixed valve pipe and air conditioning pipeline, improve valve body connection stability, simultaneously, the material setting of connecting pipe is insulating material, can insulate against heat, in order to this be convenient for coolant liquid when valve body inside circulation, improve valve body performance stability.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a protective assembly according to the present utility model;

Fig. 3 is a schematic cross-sectional view of the protection component of the present utility model.

Reference numerals illustrate:

001. A valve body; 002. a valve head; 003. a valve stem; 004. a valve tube; 005. a valve chamber; 006. a protective assembly;

210. a slide bar; 220. a coil; 230. a guard ring seat;

310. A movable groove; 320. A buffer spring;

510. a fixed block; 520. A seal ring;

601. A connecting pipe; 602. A first protection tube; 603. A second protection tube;

610. a mounting plate; 620. and (5) mounting holes.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The present utility model provides a two-way electronic expansion valve as shown in FIGS. 1-3, comprising

A valve body 001 for adjusting the liquid supply amount;

the valve head 002 is arranged at the top end of the valve body 001 and is used for driving the valve body 001;

A valve rod 003 provided inside the valve body 001 for cutting off the flow of the valve body 001;

The two valve pipes 004 are arranged at the tail end of the valve body 001 and used for the outlet and the inlet of the refrigerant, and the outer part of the valve pipes 004 is provided with a protection component 006;

A valve chamber 005 provided between the two valve pipes 004 for communicating the two valve pipes 004, the refrigerant being circulated in the valve chamber 005;

Specifically, the operator can install the first protection tube 602 and the connection tube 601 into the valve tube 004, install the second protection tube 603 into the air conditioning pipeline, then connect the valve tube 004 and the air conditioning pipeline according to the specified installation method, then attach the inner wall of the first protection tube 602 to the outer wall of the second protection tube 603, hold the protection assembly 006, rotate the connection tube 601, make the connection tube 601 simultaneously screwed with the first protection tube 602 and the second protection tube 603, and then gradually move to the connection position of the valve tube 004 and the air conditioning pipeline with the connection tube 601 screwed with the first protection tube 602 and the second protection tube 603, protect the valve tube 004 and the air conditioning pipeline, finally fix the installation plate 610 at a proper position through the position of the installation hole 620, and install the device on the refrigerator.

Further, a slide bar 210 is arranged at the top end of the valve head 002, coils 220 are arranged at two sides of the slide bar 210, and a protective ring seat 230 is arranged on the outer wall of the slide bar 210;

specifically, the voltage applied to the coil 220 controls the movement of the sliding rod 210, and the guard ring seat 230 protects the sliding rod 210, reduces friction between the sliding rod 210 and the valve body 001, and thereby prevents the sliding rod 210 from wearing the valve body 001.

Further, a movable groove 310 is formed on the lower side of the valve rod 003, the inner dimension of the movable groove 310 is matched with the outer dimension of the valve rod 003, a buffer spring 320 is arranged in the movable groove 310, and the valve rod 003 penetrates through the buffer spring 320;

Specifically, when the sliding rod 210 moves, the sliding rod 210 can prop against the valve rod 003, so that the valve rod 003 moves downwards against the upward elastic force of the buffer spring 320, and when the voltage of the coil 220 is cancelled, the sliding rod 210 stops moving immediately, and the sliding rod 210 is driven to reset by the upward elastic force of the buffer spring 320, so that the command response force of the valve body 001 is improved.

Further, the bottom end of the valve rod 003 extends to the inside of the valve chamber 005, the bottom end of the valve rod 003 is fixedly connected with a fixed block 510, the bottom end outlet of the valve chamber 005 is fixedly connected with a sealing ring 520, and the outer dimension of the fixed block 510 is matched with the inner dimension of the sealing ring 520;

Specifically, through the arrangement of the sealing ring 520, when the fixed block 510 enters the outlet of the valve chamber 005, the connection part between the fixed block 510 and the valve chamber 005 is blocked, so that the connection part is sealed, and the flow cutting effect of the device is improved.

Further, the protection component 006 comprises a connecting pipe 601, a first protection pipe 602 and a second protection pipe 603, threads with opposite directions at two ends are arranged on the outer walls of two sides of the connecting pipe 601, one side of the connecting pipe 601 is in threaded connection with the first protection pipe 602, and the other side of the connecting pipe 601 is in threaded connection with the second protection pipe 603;

Further, the first protective tube 602 and the second protective tube 603 are symmetrically distributed about a central axis of the connecting tube 601, an inner dimension of the connecting tube 601 is slightly larger than an outer dimension of the valve tube 004, and an inner wall of the first protective tube 602 is attached to an outer wall of the second protective tube 603;

Further, the upper and lower sides of the first protection tube 602 are fixedly connected with a mounting plate 610, and mounting holes 620 are formed in the outer wall of the mounting plate 610 at equal intervals;

Specifically, through connecting pipe 601 protection valve pipe 004 and air conditioning pipeline, rotate connecting pipe 601, make with connecting pipe 601 threaded connection's first protection pipe 602 and second protection pipe 603 remove to valve pipe 004 and air conditioning pipeline's junction simultaneously, first protection pipe 602 and second protection pipe 603 can press from both sides tight junction, so that guarantee that connecting pipe 601 can fix valve pipe 004 and air conditioning pipeline's position, improve valve body 001 connection stability, simultaneously, connecting pipe 601's material sets up to insulating material, can insulate against heat, when this coolant liquid in the inside circulation of valve body 001 of being convenient for improves valve body 001 performance stability.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (7)

1. A two-way electronic expansion valve is characterized in that: comprising

A valve body (001) for adjusting the liquid supply amount;

The valve head (002) is arranged at the top end of the valve body (001) and is used for driving the valve body (001);

A valve rod (003) arranged inside the valve body (001) for cutting off the flow of the valve body (001);

The two valve pipes (004) are arranged at the tail end of the valve body (001) and used for the outlet and the inlet of the refrigerant, and a protective component (006) is arranged outside the valve pipes (004);

A valve chamber (005) provided between the two valve pipes (004) for communicating the two valve pipes (004), wherein the refrigerant can circulate inside the valve chamber (005).

2. The two-way electronic expansion valve of claim 1 and further comprising: the top of valve head (002) is provided with slide bar (210), and the both sides of slide bar (210) are provided with coil (220), the outer wall of slide bar (210) is provided with protection ring seat (230).

3. The two-way electronic expansion valve of claim 1 and further comprising: the movable groove (310) is formed in the lower side of the valve rod (003), the inner size of the movable groove (310) is matched with the outer size of the valve rod (003), the buffer spring (320) is arranged in the movable groove (310), and the valve rod (003) penetrates through the buffer spring (320).

4. The two-way electronic expansion valve of claim 1 and further comprising: the bottom of valve rod (003) extends to the inside of valve chamber (005), and the bottom fixedly connected with fixed block (510) of valve rod (003), the bottom exit fixedly connected with sealing ring (520) of valve chamber (005), and the outside size of fixed block (510) is identical with the inside size of sealing ring (520).

5. The two-way electronic expansion valve of claim 1 and further comprising: the protection assembly (006) comprises a connecting pipe (601), a first protection pipe (602) and a second protection pipe (603), threads with opposite directions at two ends are arranged on the outer walls of two sides of the connecting pipe (601), one side of the connecting pipe (601) is connected with the first protection pipe (602) in a threaded mode, and the other side of the connecting pipe (601) is connected with the second protection pipe (603) in a threaded mode.

6. The two-way electronic expansion valve of claim 5 and further comprising: the first protection tube (602) and the second protection tube (603) are symmetrically distributed about the central axis of the connecting tube (601), the inner dimension of the connecting tube (601) is slightly larger than the outer dimension of the valve tube (004), and the inner wall of the first protection tube (602) is attached to the outer wall of the second protection tube (603).

7. The two-way electronic expansion valve of claim 5 and further comprising: the upper side and the lower side of the first protection tube (602) are fixedly connected with mounting plates (610), and mounting holes (620) are formed in the outer wall of each mounting plate (610) at equal intervals.