Supporting structure in expansion valve

Abstract

The utility model discloses a support structure in an expansion valve, which comprises a valve body, a stator assembly and a wire unit are arranged in the valve body, the stator assembly and the wire unit are connected through a plurality of pins, and a support unit used for preventing the stator assembly from deforming is fixedly arranged on the stator assembly. The expansion valve is reasonable in structural design, the supporting unit is arranged on the stator assembly, torsion caused by external force is resisted through the supporting unit in the operation process of the expansion valve, the effect of preventing the stator assembly from deforming is achieved, meanwhile, the waterproof part on the supporting unit has the waterproof effect, the damage rate of elements is reduced, the service life of the elements is prolonged, and the service life of the elements is prolonged. Resources are saved, cost is reduced, and benefits are improved.

Description

Technical Field

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

[0002] The expansion valve can also be called a throttle valve or a regulating valve. Among them, the electronic expansion valve is an electronic control element. It is widely used because of its high precision, fast and accurate action, obvious energy-saving effect, and can achieve system optimization control. It has stable control and can be adjusted to different openings according to different load requirements. Combined with the current automatic control technology, it can achieve the best efficiency under partial load. The stator structure is set in the expansion valve and is mainly used to fix the stator coil.

[0003] In the prior art, the expansion valve is easily twisted due to external force during operation, which causes the skeleton of the internal stator structure to deform, increases the damage rate of the component, shortens the service life of the component, greatly wastes resources, increases costs, and reduces benefits. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a support structure in an expansion valve in view of the current status of the prior art.

[0005] The technical solution adopted by the utility model to solve the above technical problems is: a support structure in an expansion valve, including a valve body, a stator assembly and a wire unit are arranged in the valve body, the stator assembly and the wire unit are connected by a plurality of pins, and a support unit for preventing the stator assembly from deforming is fixedly arranged on the stator assembly.

[0006] Preferably, at least three waterproof parts are provided on the supporting unit.

[0007] Preferably, the stator assembly includes a first stator unit and a second stator unit which are integrally injection molded, the first stator unit including a first stator pole plate, a second stator pole plate and a first stator frame, and a first stator coil is wound on the first stator frame; the second stator unit includes a third stator pole plate, a fourth stator pole plate and a second stator frame, and a second stator coil is wound on the second stator frame; the second stator pole plate and the third stator pole plate are in contact and connected.

[0008] Preferably, the first stator frame and the second stator frame are extended toward the conductor unit and are staggered to form a base.

[0009] Preferably, a first hooking member and a second hooking member are respectively provided on both sides of the bottom of the support unit, and the first hooking member and the second hooking member are both hooked with the bottom edge of the base.

[0010] Preferably, the pin is in an "L" shape, one end of the pin is connected to the base upward or downward according to the direction of the base, and the other end of the pin is connected to the wire unit.

[0011] Preferably, the wire unit includes a PCB board and a wire tube, one end of the pin away from the base is connected to the PCB board, and the PCB board and the wire tube are connected by a wire.

[0012] Preferably, a grounding plate is provided on the valve body, and the valve body and the grounding plate are fixedly connected by a shell.

[0013] Compared with the prior art, the advantages of the utility model are: a support unit is arranged on the stator assembly, and the support unit resists the torsion caused by external force during the operation of the expansion valve, thereby preventing the stator assembly from being deformed. At the same time, the waterproof part on the support unit plays a waterproof role, which reduces the damage rate of the components, extends the service life of the components, saves resources, reduces costs, and improves efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the exploded structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the exploded structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the exploded structure of the utility model;

[0018] Figure 5 It is a partial structural schematic diagram of the utility model.

[0019] Figure numerals: 1. valve body; 2. stator assembly; 3. wire unit; 4. pin; 5. support unit; 51. waterproof part; 6. first stator pole plate; 7. second stator pole plate; 8. first stator frame; 9. first stator coil; 10. third stator pole plate; 11. fourth stator pole plate; 12. second stator frame; 13. second stator coil; 14. base; 15. first hook; 16. second hook; 17. PCB board; 18. wire tube; 19. wire; 20. grounding plate; 21. shell. DETAILED DESCRIPTION

[0020] The following will disclose multiple embodiments of the present invention with drawings. For the purpose of clear description, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not necessary. In addition, in order to simplify the drawings, some conventional structures and components will be depicted in a simple schematic manner in the drawings.

[0021] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back... are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0022] Moreover, some of the above-mentioned terms may be used to express other meanings besides indicating orientation or positional relationships. For example, the term "on" may also be used to indicate a certain dependency or connection relationship in certain circumstances. A person skilled in the art may understand the specific meanings of these terms in the present utility model according to the specific circumstances.

[0023] In addition, the terms "install", "set", "provided with", "connect", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. The connection methods involved in this article are prior arts, without any improvement, and are all common knowledge of those skilled in the art. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0024] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0025] like Figures 1 to 5As shown, the utility model provides a support structure in an expansion valve, including a valve body 1, in which a stator assembly 2 and a wire unit 3 are arranged, and the stator assembly 2 and the wire unit 3 are connected by a plurality of pins 4; specifically, a support unit 5 for preventing the stator assembly 2 from deforming is fixedly provided on the stator assembly 2.

[0026] The support unit 5 is provided with at least three waterproof members 51 for waterproofing, and the waterproof members 51 are fixed on the upper surface of the support unit 5 .

[0027] The stator assembly 2 includes a first stator unit and a second stator unit which are integrally injection molded; specifically, the first stator unit includes a first stator pole plate 6, a second stator pole plate 7 and a first stator frame 8, and a first stator coil 9 is wound on the first stator frame 8; the second stator unit includes a third stator pole plate 10, a fourth stator pole plate 11 and a second stator frame 12, and a second stator coil 13 is wound on the second stator frame 12; the second stator pole plate 7 and the third stator pole plate 10 are in contact and connected.

[0028] The first stator frame 8 and the second stator frame 12 extend toward the conductor unit 3 and are staggered to form a base 14 .

[0029] The first hooking member 15 and the second hooking member 16 are respectively disposed at two sides of the bottom of the support unit 5 ; specifically, the first hooking member 15 and the second hooking member 16 are both hooked with the bottom edge of the base 14 .

[0030] The plug pin 4 is in an “L” shape, one end of the plug pin 4 is connected to the base 14 upward or downward according to the direction of the base 14 , and the other end of the plug pin 4 is connected to the wire unit 3 .

[0031] The wire unit 3 includes a PCB board 17 and a wire tube 18; specifically, one end of the pin 4 away from the base 14 is connected to the PCB board 17, the PCB board 17 and the wire tube 18 are connected by a wire 19, and a wiring hole for connecting the wire 19 is provided on the PCB board 17.

[0032] The valve body 1 is provided with a grounding plate 20 , and the valve body 1 and the grounding plate 20 are fixedly connected by a housing 21 .

[0033] The advantages of the utility model are that a support unit 5 is arranged on the stator assembly 2, and the support unit 5 resists the torsion caused by the external force during the operation of the expansion valve, thereby preventing the stator assembly 2 from being deformed. At the same time, the waterproof part 51 on the support unit 5 plays a waterproof role, which reduces the damage rate of the components, extends the service life of the components, saves resources, reduces costs, and improves efficiency.

[0034] In the description of this specification, reference is made to the terms "one embodiment", "some embodiments", "examples", "specific examples", etc.

[0035] The description of "example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0036] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, and bonding in the prior art, which will not be described in detail here.

[0037] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, various changes and variations can be made in the specific implementation methods and application scopes based on the ideas of the present invention. The content of this specification should not be understood as a limitation on the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A support structure in an expansion valve, characterized in that: The valve body comprises a stator assembly and a wire unit, the stator assembly and the wire unit are connected by a plurality of pins, and a support unit for preventing the stator assembly from being deformed is fixedly provided on the stator assembly; The stator assembly includes a first stator unit and a second stator unit which are integrally injection molded, wherein the first stator unit includes a first stator pole plate, a second stator pole plate and a first stator frame, and a first stator coil is wound on the first stator frame; the second stator unit includes a third stator pole plate, a fourth stator pole plate and a second stator frame, and a second stator coil is wound on the second stator frame; the second stator pole plate is in contact with the third stator pole plate; The first stator frame and the second stator frame extend in the direction of the conductor unit and are staggered to form a base; The first hooking member and the second hooking member are respectively provided at two sides of the bottom of the support unit, and the first hooking member and the second hooking member are both hooked with the bottom edge of the base.

2. The support structure in an expansion valve according to claim 1, characterized in that: The pin is in an "L" shape, one end of the pin is connected to the base upward or downward according to the direction of the base, and the other end of the pin is connected to the wire unit.

3. The support structure in an expansion valve according to claim 1, characterized in that: The wire unit comprises a PCB board and a wire tube, one end of the pin away from the base is connected to the PCB board, and the PCB board and the wire tube are connected through a wire.

4. The support structure in an expansion valve according to claim 1, characterized in that: The valve body is provided with a grounding plate, and the valve body and the grounding plate are fixedly connected by a shell.

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