CN210602364U

CN210602364U - Novel electronic expansion valve

Info

Publication number: CN210602364U
Application number: CN201921598527.3U
Authority: CN
Inventors: 吴一清; 吴文文
Original assignee: Zhejiang Minte Auto Air Conditioner Co ltd
Current assignee: Zhejiang Minte Auto Air Conditioner Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-05-22
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a novel electronic expansion valve, including lower valve body, the inside of lower valve body is provided with the valve rod, the bottom of valve rod is provided with sealed head, the intermediate position department of sealed head bottom is provided with the rubber buffer, the bottom of lower valve body is provided with the liquid outlet that runs through to valve body inside down, the outside that the inside bottom of lower valve body is located the liquid outlet is provided with sealed piece, the outside of lower valve body is provided with the inlet that runs through to valve body inside down, the top of lower valve body is provided with the valve body. The utility model discloses a control voltage's size comes the reaction rate of control valve rod, makes things convenient for people's use, and when the valve was closed, the valve rod promoted the inside removal of sealed head downward valve body, and the rubber buffer of sealed head bottom gets into the liquid outlet, seals the liquid outlet, and the sealed head of while and the mutual block of sealed piece avoid liquid infiltration liquid outlet, make the sealed complete of liquid outlet, improved electronic expansion valve's leakproofness.

Description

Novel electronic expansion valve

Technical Field

The utility model relates to an electronic expansion valve technical field specifically is a novel electronic expansion valve.

Background

The sub-expansion valve is a throttling element capable of entering the flow of a refrigerant of a refrigerating device according to a preset program, and on some occasions with severe load change or wider operating condition range, the traditional throttling element (such as a capillary tube, a thermal expansion valve and the like) can not meet the requirements of comfort and energy conservation, and the electronic expansion valve is increasingly widely applied by combining with a compressor variable capacity technology.

Because most of uses are in control special liquid flow, long-time use can cause corruption and damage, and current electronic expansion valve adopts the integral type structure, and the maintenance of being inconvenient for can only change, and traditional electronic expansion valve adopts metal valve, produces the phenomenon of weeping easily for a long time, and the leakproofness is relatively poor, and the result of use is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel electronic expansion valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel electronic expansion valve comprises a lower valve body, wherein a valve rod is arranged in the lower valve body, a sealing head is arranged at the bottom of the valve rod, a rubber plug is arranged at the middle position of the bottom of the sealing head, a liquid outlet penetrating into the lower valve body is arranged at the bottom of the lower valve body, a sealing block is arranged at the bottom of the inner bottom of the lower valve body and positioned outside the liquid outlet, a liquid inlet penetrating into the lower valve body is arranged at the outer side of the lower valve body, an upper valve body is arranged at the top of the lower valve body, a limiting rod is arranged at the top of the inner part of the upper valve body, a U-shaped block is arranged in the upper valve body, a magnetic rotor is arranged in the U-shaped block, a supporting rod penetrating into the inner part of the valve rod is arranged in the magnetic rotor, a spring is arranged at the outer side of, and a coil is arranged on the outer side of the upper valve body.

Preferably, the outer side of the U-shaped block is provided with a clamping block, the inner part of the upper valve body is provided with a clamping groove matched with the clamping block, and the U-shaped block is detachably connected with the upper valve body through the clamping block and the clamping groove.

Preferably, the top of the interior of the lower valve body is provided with a sealing ring, a clamping groove is arranged right above a sealing block at the bottom of the sealing head, and the sealing block is detachably connected with the sealing head through the clamping groove.

Preferably, the one end of going up valve body and lower valve body all is provided with the fixed block, the inside of fixed block is provided with the multiunit bolt, lower valve body passes through fixed block and bolt and last valve body fixed connection.

Preferably, the outside of valve rod is provided with the external screw thread, the intermediate position department of the inside of stopper be provided with valve rod assorted screw hole, the valve rod passes through the screw hole and exposes my and stopper threaded connection.

Preferably, the outer side of the upper valve body is provided with a convex block, and the coil is fixedly connected with the upper valve body through glue and the convex block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model separates the upper valve body from the lower valve body by disassembling the bolt on the fixed block, rotates the valve rod, separates the valve rod from the limiting block by the action of the screw thread, and can overhaul and replace parts in the expansion valve, and the coil can be disassembled and replaced, thereby reducing the use cost and improving the practicability of the electronic expansion valve;

2. the utility model discloses a control voltage's size comes the reaction rate of control valve rod, makes things convenient for people's use, and when the valve was closed, the valve rod promoted the inside removal of sealed head downward valve body, and the rubber buffer of sealed head bottom gets into the liquid outlet, seals the liquid outlet, and the sealed head of while and the mutual block of sealed piece avoid liquid infiltration liquid outlet, make the sealed complete of liquid outlet, improved electronic expansion valve's leakproofness.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is an exploded view of the present invention.

In the figure: 1. a lower valve body; 2. a valve stem; 3. a sealing head; 4. a rubber plug; 5. a sealing block; 6. a liquid outlet; 7. a liquid inlet; 8. an upper valve body; 9. a limiting rod; 10. a U-shaped block; 11. a magnetic rotor; 12. a strut; 13. a spring; 14. a limiting block; 15. and a coil.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment of a novel electronic expansion valve: a novel electronic expansion valve comprises a lower valve body 1, a valve rod 2 is arranged in the lower valve body 1, a sealing head 3 is arranged at the bottom of the valve rod 2, a rubber plug 4 is arranged at the middle position of the bottom of the sealing head 3, a liquid outlet 6 penetrating into the lower valve body 1 is arranged at the bottom of the lower valve body 1, a sealing block 5 is arranged at the bottom of the inner part of the lower valve body 1 and positioned at the outer side of the liquid outlet 6, so that the liquid outlet 6 is better sealed and liquid leakage is prevented, a liquid inlet 7 penetrating into the lower valve body 1 is arranged at the outer side of the lower valve body 1, an upper valve body 8 is arranged at the top of the lower valve body 1, a limiting rod 9 is arranged at the top of the inner part of the upper valve body 8 and used for supporting the U-shaped block 10, a U-shaped block 10 is arranged in the upper valve body 8, a magnetic rotor 11 is arranged in the U-shaped, the magnetic rotor 11 is prevented from contacting the U-shaped block 10, the spring 13 is arranged on the outer side of the supporting rod 12, the limiting block 14 is arranged inside the lower valve body 1 and below the U-shaped block 10, the U-shaped block 10 and the magnetic rotor 11 are fixed, and the coil 15 is arranged on the outer side of the upper valve body 8.

Please refer to fig. 2, a clamping block is disposed on an outer side of the U-shaped block 10, a clamping groove matched with the clamping block is disposed inside the upper valve body 8 to play a role in limiting, and the U-shaped block 10 is detachably connected to the upper valve body 8 through the clamping block and the clamping groove, so as to facilitate the disassembly and assembly of the U-shaped block 10.

Please refer to fig. 2, the top end of the lower valve body 1 is provided with a sealing ring, the bottom of the sealing head 3 is provided with a clamping groove right above the sealing block 5, the sealing block 5 is detachably connected with the sealing head 3 through the clamping groove, and the sealing performance of the liquid outlet 6 is better and liquid leakage is prevented through the action of the clamping groove and the sealing block 5.

Please refer to fig. 1 and fig. 3, the upper valve body 8 and the lower valve body 1 are both provided with a fixing block at one end, a plurality of sets of bolts are arranged inside the fixing block, the lower valve body 1 is fixedly connected with the upper valve body 8 through the fixing block and the bolts, the upper valve body 8 and the lower valve body 1 are fixed through the bolts and the fixing block, and the upper valve body 8 and the lower valve body 1 are conveniently disassembled.

Please refer to fig. 2, the outer side of the valve rod 2 is provided with an external thread, the middle position inside the limiting block 14 is provided with a threaded hole matched with the valve rod 2, the valve rod 2 is in threaded connection with the limiting block 14 through the threaded hole and the exposed part, the up-and-down movement of the valve rod 2 is realized, and the flow can be controlled more accurately.

Please refer to fig. 1 and fig. 2, the outer side of the upper valve body 8 is provided with a bump to achieve the limiting effect, and the coil 15 is fixedly connected with the upper valve body 8 through glue and the bump to fix the coil 15, which is convenient for replacing the coil 15.

The working principle is as follows: when the utility model is used, the liquid inlet pipe is connected with the liquid inlet 7, the liquid outlet pipe is connected with the liquid outlet 6, the power is switched on, the coil 15 is electrically conducted to form a magnetic field, the magnetic rotor 11 inside the upper valve body 8 rotates under the action of the magnetic field, the magnetic rotor 11 and the thread action of the valve rod 2 realize the up-and-down movement of the valve rod 2, thereby realizing the switch of the control valve, the reaction speed of the valve rod 2 is controlled by controlling the voltage, the use of people is convenient, when the valve is closed, the valve rod 2 pushes the sealing head 3 to move downwards to the inside of the valve body 1, the rubber plug 4 at the bottom of the sealing head 3 enters the liquid outlet 6 to seal the liquid outlet 4, meanwhile, the sealing head 3 and the sealing block 5 are mutually clamped to avoid the liquid from permeating into the liquid outlet 5, the sealing of the liquid outlet 6 is complete, the sealing, the upper valve body 8 is separated from the lower valve body 1, the valve rod 2 is rotated, the valve rod 2 is separated from the limiting block 14 under the action of threads, the interior of the expansion valve can be overhauled and parts can be replaced, the coil 15 can also be replaced through disassembly, the use cost is reduced, and the practicability of the electronic expansion valve is improved.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel electronic expansion valve, includes lower valve body (1), its characterized in that: the improved valve is characterized in that a valve rod (2) is arranged in the lower valve body (1), a sealing head (3) is arranged at the bottom of the valve rod (2), a rubber plug (4) is arranged at the middle position of the bottom of the sealing head (3), a liquid outlet (6) penetrating into the lower valve body (1) is arranged at the bottom of the lower valve body (1), a sealing block (5) is arranged at the outer side of the liquid outlet (6) at the bottom of the lower valve body (1), a liquid inlet (7) penetrating into the lower valve body (1) is arranged at the outer side of the lower valve body (1), an upper valve body (8) is arranged at the top of the lower valve body (1), a limiting rod (9) is arranged at the top of the inner part of the upper valve body (8), a U-shaped block (10) is arranged in the upper valve body (8), a magnetic rotor (11) is arranged in the inner part of the magnetic rotor (11), and a supporting rod (12) penetrating into the, the outside of branch (12) is provided with spring (13), the inside below that is located U type piece (10) of lower valve body (1) is provided with stopper (14), the outside of going up valve body (8) is provided with coil (15).

2. A novel electronic expansion valve according to claim 1, wherein: the outer side of the U-shaped block (10) is provided with a clamping block, a clamping groove matched with the clamping block is formed in the upper valve body (8), and the U-shaped block (10) is detachably connected with the upper valve body (8) through the clamping block and the clamping groove.

3. A novel electronic expansion valve according to claim 1, wherein: the top of valve body (1) inside is provided with the sealing washer down, sealed head (3) bottom is located and is provided with the draw-in groove directly over sealed piece (5), sealed piece (5) can be dismantled with sealed head (3) through the draw-in groove and be connected.

4. A novel electronic expansion valve according to claim 1, wherein: go up the one end of valve body (8) and lower valve body (1) and all be provided with the fixed block, the inside of fixed block is provided with the multiunit bolt, lower valve body (1) passes through fixed block and bolt and last valve body (8) fixed connection.

5. A novel electronic expansion valve according to claim 1, wherein: the outside of valve rod (2) is provided with the external screw thread, the intermediate position department of the inside of stopper (14) is provided with valve rod (2) assorted screw hole, valve rod (2) pass through screw hole and external screw thread and stopper (14) threaded connection.

6. A novel electronic expansion valve according to claim 1, wherein: the outer side of the upper valve body (8) is provided with a convex block, and the coil (15) is fixedly connected with the upper valve body (8) through glue and the convex block.