Electronic expansion valve

Abstract

The utility model discloses an electronic expansion valve which comprises a main body assembly, a valve body and a locking piece, and the locking piece is arranged at the bottom of the surface of the valve body; and the connecting assembly comprises a mounting piece and an inserting piece, the mounting piece is arranged at the bottom of the surface of the valve body, the inserting piece is arranged at the top of the mounting piece, the locking piece comprises a connecting shell, a limiting groove and a sealing groove, and the connecting shell is fixedly connected to the bottom of the surface of the valve body. The utility model has the beneficial effects that the gas flow can be accurately controlled through the valve body of the main body assembly, the valve body can be conveniently mounted by a worker through the locking piece, meanwhile, the valve body can be protected and anti-seismic, the sealing performance can be improved to a certain extent, and the gas flow can be accurately controlled through the mounting piece of the connecting assembly. And a worker can conveniently install the inserting shell at a connector of external equipment through the inserting piece, and the worker can conveniently cooperate with the locking piece to install the valve body through the inserting piece.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic expansion valves, in particular to an electronic expansion valve. Background Art

[0002] Electronic expansion valve is an advanced automatic control device, which is widely used in refrigeration, air conditioning and gas water heaters. It controls the gas flow through the evaporator (condenser) through electrical signals, so as to accurately control the pressure, temperature and flow in the system and improve the efficiency and stability of the system. Compared with traditional mechanical expansion valves, electronic expansion valves have higher precision, better reliability and more convenient setting methods, and have become one of the important technologies in the field of modern industrial automation control.

[0003] Electronic expansion valves are mainly used in systems between evaporators and compressors, such as air conditioners, refrigerators, ice cream machines and other refrigeration equipment. The traditional installation method of electronic expansion valves usually uses a mounting bracket. First, the staff will position the mounting bracket at the connection end of the equipment, and then insert the electronic expansion valve into the equipment and install it on the mounting bracket through bolts and other connecting components. However, the connection method using the mounting bracket can easily cause the electronic expansion valve to vibrate or shake with the operation of the equipment. If its stability cannot be guaranteed, problems such as sealing may also occur.

[0004] Therefore, in response to the above problems, we need to propose an electronic expansion valve. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In view of the above problems and / or problems existing in the existing electronic expansion valves, the present utility model is proposed.

[0007] Therefore, the problem to be solved by the present invention is that the prior art electronic expansion valve uses a mounting bracket that is prone to lack of stability and sealing during installation.

[0008] In order to solve the above technical problems, the utility model provides the following technical solutions: an electronic expansion valve, comprising a main body component, including a valve body and a locking piece, wherein the locking piece is arranged at the bottom of the valve body surface; and a connecting component, comprising a mounting piece and a plug-in piece, wherein the mounting piece is arranged at the bottom of the valve body surface, and the plug-in piece is arranged at the top of the mounting piece.

[0009] As a preferred solution of the electronic expansion valve of the utility model, the locking member includes a connecting shell, a limiting groove and a sealing groove, the connecting shell is fixedly connected to the bottom of the valve body surface, and the limiting groove and the sealing groove are both opened at the top of the inner cavity of the connecting shell.

[0010] As a preferred solution of the electronic expansion valve of the utility model, the locking member further comprises a sliding rod, a movable sleeve, an adjusting rod and a connecting block, the sliding rod is fixedly connected to the top of the connecting shell, the movable sleeve is slidably connected to the surface of the sliding rod, the adjusting rod is movably connected to the surface of the movable sleeve through a rotating shaft, and the connecting block is movably connected to the bottom of the adjusting rod through a rotating shaft.

[0011] As a preferred solution of the electronic expansion valve of the utility model, the locking member further comprises a movable rod, a clamping plate and a fixed block, the movable rod is fixedly connected to the inner cavity of the connecting block, the clamping plate is fixedly connected to the surface of the movable rod, the fixed block is fixedly connected to the surface of the movable rod, and one side of the fixed block is fixedly connected to the clamping plate.

[0012] As a preferred solution of the electronic expansion valve of the utility model, the locking member further comprises a second spring, one end of which is fixedly connected to the surface of the clamping plate, and the other end of which is fixedly connected to the inner wall of the limiting groove.

[0013] As a preferred solution of the electronic expansion valve of the utility model, the locking member further comprises a sliding sleeve, the sliding sleeve is fixedly connected to the inner cavity of the connecting shell, and the inner cavity is movably connected to the movable rod.

[0014] As a preferred solution of the electronic expansion valve of the utility model, the locking member further comprises a first spring, the first spring is fixedly connected to the top of the connecting shell, and the top of the first spring is fixedly connected to the movable sleeve.

[0015] As a preferred solution of the electronic expansion valve of the utility model, the mounting member includes a mounting plate and a mounting hole, the mounting plate is arranged at the bottom of the valve body surface, and the mounting hole is opened on the surface of the mounting plate.

[0016] As a preferred solution of the electronic expansion valve of the utility model, the connector includes a plug shell and a clamping ring, the plug shell is fixedly connected to the top of the mounting plate, and the clamping ring is fixedly connected to the inner cavity of the plug shell.

[0017] As a preferred solution of the electronic expansion valve of the utility model, the connector further comprises a sealing ring, which is fixedly connected to the top of the connector shell and has a surface in contact with the inner cavity of the sealing groove.

[0018] The beneficial effects of the utility model are as follows: through the valve body of the main component, the flow rate of the gas can be accurately controlled; through the locking piece, it is convenient for the staff to install the valve body, and at the same time the valve body can be protected from shock, and the sealing performance can also be improved to a certain extent; through the installation piece of the connecting component, it is convenient for the staff to install the plug-in shell at the interface of the external equipment; through the plug-in piece, it is convenient for the staff to cooperate with the locking piece to install the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0020] Figure 1 This is the overall structure diagram of the electronic expansion valve.

[0021] Figure 2 This is a disassembled structural diagram of the electronic expansion valve.

[0022] Figure 3 This is a structural diagram of the locking parts of the electronic expansion valve.

[0023] Figure 4 This is a diagram of the internal structure of the connection shell of the electronic expansion valve.

[0024] Figure 5 This is a structural diagram of the connection components of the electronic expansion valve.

[0025] Numbers in the figure: 100, main component; 101, valve body; 102, locking piece; 102a, connecting shell; 102b, first spring; 102c, movable sleeve; 102d, sliding rod; 102e, adjusting rod; 102f, connecting block; 102g, movable rod; 102h, sliding sleeve; 102i, clamping plate; 102j, second spring; 102k, fixing block; 102l, sealing groove; 102m, limiting groove; 200, connecting component; 201, mounting piece; 201a, mounting plate; 201b, mounting hole; 202, plug-in piece; 202a, plug-in shell; 202b, clamping ring; 202c, sealing ring. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0029] Example 1

[0030] Reference Figure 1 to Figure 5 , which is the first embodiment of the utility model, and this embodiment provides an electronic expansion valve, which includes a main component 100 and a connecting component 200. The valve body 101 of the main component 100 can accurately control the flow of gas. The locking piece 102 can facilitate the staff to install the valve body 101, and at the same time, the valve body 101 can be protected from shock, and the sealing performance can be improved to a certain extent. The mounting piece 201 of the connecting component 200 can facilitate the staff to install the plug-in shell 202a at the interface of the external device. The plug-in piece 202 can facilitate the staff to cooperate with the locking piece 102 to install the valve body 101.

[0031] The main assembly 100 includes a valve body 101 and a locking member 102 . The locking member 102 is disposed at the bottom of the surface of the valve body 101 .

[0032] The valve body 101 of the main assembly 100 can accurately control the flow of gas, and the locking member 102 can facilitate the installation of the valve body 101 by the staff. At the same time, the valve body 101 can be protected from shock and the sealing performance can be improved to a certain extent.

[0033] The connection assembly 200 includes a mounting member 201 and a plug-in member 202 . The mounting member 201 is disposed at the bottom of the surface of the valve body 101 , and the plug-in member 202 is disposed at the top of the mounting member 201 .

[0034] Through the installation part 201 of the connecting assembly 200, it is convenient for the staff to install the plug shell 202a at the interface of the external device. Through the plug connector 202, it is convenient for the staff to cooperate with the locking part 102 to install the valve body 101.

[0035] Example 2

[0036] Reference Figure 2 , Figure 3 and Figure 4 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0037] Specifically, the locking member 102 includes a connecting shell 102a, a limiting groove 102m and a sealing groove 102l. The connecting shell 102a is fixedly connected to the bottom of the surface of the valve body 101, and the limiting groove 102m and the sealing groove 102l are both opened at the top of the inner cavity of the connecting shell 102a.

[0038] The locking piece 102 can facilitate the installation of the valve body 101 by the staff, and can also protect the valve body 101 from shock, and the sealing performance can also be improved to a certain extent.

[0039] Specifically, the locking member 102 also includes a sliding rod 102d, a movable sleeve 102c, an adjusting rod 102e and a connecting block 102f. The sliding rod 102d is fixedly connected to the top of the connecting shell 102a, the movable sleeve 102c is slidably connected to the surface of the sliding rod 102d, the adjusting rod 102e is movably connected to the surface of the movable sleeve 102c through a rotating shaft, and the connecting block 102f is movably connected to the bottom of the adjusting rod 102e through a rotating shaft.

[0040] Through the slide bar 102d, the movable sleeve 102c, the adjustment rod 102e and the connection block 102f, the position of the clamping plate 102i can be adjusted through the movable rod 102g.

[0041] Specifically, the locking member 102 also includes a movable rod 102g, a clamping plate 102i and a fixed block 102k. The movable rod 102g is fixedly connected to the inner cavity of the connecting block 102f, the clamping plate 102i is fixedly connected to the surface of the movable rod 102g, and the fixed block 102k is fixedly connected to the surface of the movable rod 102g, and one side of the fixed block 102k is fixedly connected to the clamping plate 102i.

[0042] Through the movable rod 102g, the clamping plate 102i and the fixing block 102k, the valve body 101 can be installed and removed by adjusting the clamping plate 102i.

[0043] Specifically, the locking member 102 further includes a second spring 102j, one end of which is fixedly connected to the surface of the clamping plate 102i, and the other end of which is fixedly connected to the inner wall of the limiting groove 102m.

[0044] The second spring 102j can return the clamping plate 102i to its original position.

[0045] Specifically, the locking member 102 further includes a sliding sleeve 102h, which is fixedly connected to the inner cavity of the connecting shell 102a, and the inner cavity of the sliding sleeve 102h is movably connected to the movable rod 102g.

[0046] The sliding sleeve 102h serves to limit the movable rod 102g.

[0047] Specifically, the locking member 102 further includes a first spring 102b, which is fixedly connected to the top of the connecting shell 102a, and the top of the first spring 102b is fixedly connected to the movable sleeve 102c.

[0048] The first spring 102b serves to reset the movable sleeve 102c.

[0049] Example 3

[0050] Reference Figure 2 , is the third embodiment of the utility model, which is based on the first two embodiments.

[0051] Specifically, the mounting member 201 includes a mounting plate 201 a and a mounting hole 201 b . The mounting plate 201 a is disposed at the bottom of the surface of the valve body 101 , and the mounting hole 201 b is opened on the surface of the mounting plate 201 a .

[0052] The installation disk 201a and the installation hole 201b can facilitate the staff to install the plug-in shell 202a at the interface of the external device.

[0053] Specifically, the plug connector 202 includes a plug shell 202a and a snap ring 202b. The plug shell 202a is fixedly connected to the top of the mounting plate 201a, and the snap ring 202b is fixedly connected to the inner cavity of the plug shell 202a.

[0054] The plug-in shell 202 a and the clamping ring 202 b can facilitate the staff to install the valve body 101 in coordination with the locking member 102 .

[0055] Specifically, the plug connector 202 further includes a sealing ring 202c, which is fixedly connected to the top of the plug shell 202a, and the surface of the sealing ring 202c is in contact with the inner cavity of the sealing groove 1021.

[0056] The sealing ring 202c can seal the connection between the plug housing 202a and the connection housing 102a.

[0057] During use, when the staff needs to install the valve body 101, first the valve body 101 drives the connecting shell 102a to be inserted into the interior of the plug-in shell 202a. First, the four clamping plates 102i will first enter the interior of the plug-in shell 202a, and then the outer surface of the clamping plate 102i will contact the surface of the clamping ring 202b. At this time, the four clamping plates 102i will move to the opposite side. At the same time, the second spring 102j will also be squeezed and contracted. As the clamping plate 102i is continuously inserted downward, when it is plugged into a certain position, the bottom of the connecting shell 102a will contact the top of the plug-in shell 202a. At this time, the clamping plate 102i will also be completely clamped in the interior of the plug-in shell 202a, and the valve body 101 is also positioned. When dismantling, pull the movable sleeve 102c upwards, then the adjusting rod 102e will be squeezed and drive the four movable rods 102g to move to the opposite side, then the four movable rods 102g will drive the four clamping plates 102i to move to the opposite side, and the bottom of the surface of the clamping plate 102i will no longer be clamped with the clamping ring 202b. At this time, the staff will drive the valve body 101 to take out the connecting shell 102a from the inside of the plug-in shell 202a to achieve the disassembly effect, which can provide convenience for the staff, and through the above-mentioned locking method, it can also effectively resist the vibration generated when the equipment is running, and at the same time, the sealing ring 202c will also seal the connection between the plug-in shell 202a and the connecting shell 102a to prevent gas leakage.

[0058] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An electronic expansion valve, characterized in that: include, A main body assembly (100) comprises a valve body (101) and a locking member (102), wherein the locking member (102) is arranged at the bottom of the surface of the valve body (101); and The connection assembly (200) comprises a mounting member (201) and a plug-in member (202), wherein the mounting member (201) is arranged at the bottom of the surface of the valve body (101), and the plug-in member (202) is arranged at the top of the mounting member (201).

2. The electronic expansion valve according to claim 1, characterized in that: The locking member (102) comprises a connecting shell (102a), a limiting groove (102m) and a sealing groove (102l); the connecting shell (102a) is fixedly connected to the bottom of the surface of the valve body (101); and the limiting groove (102m) and the sealing groove (102l) are both provided at the top of the inner cavity of the connecting shell (102a).

3. The electronic expansion valve according to claim 2, characterized in that: The locking member (102) further comprises a sliding rod (102d), a movable sleeve (102c), an adjusting rod (102e) and a connecting block (102f), wherein the sliding rod (102d) is fixedly connected to the top of the connecting shell (102a), the movable sleeve (102c) is slidably connected to the surface of the sliding rod (102d), the adjusting rod (102e) is movably connected to the surface of the movable sleeve (102c) via a rotating shaft, and the connecting block (102f) is movably connected to the bottom of the adjusting rod (102e) via a rotating shaft.

4. The electronic expansion valve according to claim 3, characterized in that: The locking member (102) also includes a movable rod (102g), a clamping plate (102i) and a fixed block (102k), wherein the movable rod (102g) is fixedly connected to the inner cavity of the connecting block (102f), the clamping plate (102i) is fixedly connected to the surface of the movable rod (102g), and the fixed block (102k) is fixedly connected to the surface of the movable rod (102g), and one side of the fixed block is fixedly connected to the clamping plate (102i).

5. The electronic expansion valve according to claim 4, characterized in that: The locking member (102) further comprises a second spring (102j), one end of which is fixedly connected to the surface of the clamping plate (102i), and the other end of which is fixedly connected to the inner wall of the limiting groove (102m).

6. The electronic expansion valve according to claim 5, characterized in that: The locking member (102) further comprises a sliding sleeve (102h), wherein the sliding sleeve (102h) is fixedly connected to the inner cavity of the connecting shell (102a), and the inner cavity of the sliding sleeve is movably connected to the movable rod (102g).

7. The electronic expansion valve according to claim 6, characterized in that: The locking member (102) further comprises a first spring (102b), wherein the first spring (102b) is fixedly connected to the top of the connecting shell (102a), and the top of the first spring is fixedly connected to the movable sleeve (102c).

8. The electronic expansion valve according to claim 7, characterized in that: The mounting member (201) comprises a mounting plate (201a) and a mounting hole (201b); the mounting plate (201a) is arranged at the bottom of the surface of the valve body (101); and the mounting hole (201b) is opened on the surface of the mounting plate (201a).

9. The electronic expansion valve according to claim 8, characterized in that: The plug-in connector (202) comprises a plug-in shell (202a) and a snap ring (202b); the plug-in shell (202a) is fixedly connected to the top of the mounting plate (201a); and the snap ring (202b) is fixedly connected to the inner cavity of the plug-in shell (202a).

10. The electronic expansion valve according to claim 9, characterized in that: The plug connector (202) further comprises a sealing ring (202c), which is fixedly connected to the top of the plug housing (202a), and whose surface is in contact with the inner cavity of the sealing groove (1021).

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