CN211344172U - Axial magnetic coupling assembly on electronic expansion valve - Google Patents
Axial magnetic coupling assembly on electronic expansion valve Download PDFInfo
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- CN211344172U CN211344172U CN201921352935.0U CN201921352935U CN211344172U CN 211344172 U CN211344172 U CN 211344172U CN 201921352935 U CN201921352935 U CN 201921352935U CN 211344172 U CN211344172 U CN 211344172U
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- magnetic
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- coupling assembly
- electronic expansion
- expansion valve
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Abstract
The utility model discloses an axial magnetic coupling component of an electronic expansion valve, which comprises a main coupling component and a slave coupling component, wherein the main coupling component comprises more than 2 outer magnetic rings and a driven wheel, and the outer magnetic rings are fixed in the driven wheel; the main coupling component is sleeved on the outer wall of the isolation sleeve; the secondary coupling assembly comprises more than 2 internal magnetic rings and a valve column, the internal magnetic rings are fixed on the valve column, and the secondary coupling assembly is installed inside the isolation sleeve; when the main coupling component rotates upwards or rotates downwards, the auxiliary coupling component is driven to ascend or descend in an axial magnetic coupling mode. The utility model provides a magnetic coupling subassembly not only assembles simply, and is with low costs moreover.
Description
Technical Field
The utility model relates to a magnetic coupling subassembly on the electronic expansion valve especially relates to an axial magnetic coupling subassembly on the electronic expansion valve.
Background
Electronic expansion valves are important components in cooling/heating systems, primarily for regulating the flow of fluids. The coupling modes adopted by the electronic expansion valve in the current market are basically the same, namely, a coil generates a rotating magnetic field after being electrified, and then the rotating magnetic field drives a magnetic rotor inside the electronic expansion valve. The coil in this coupling method not only needs to be customized, but also has high cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to reach provides a magnetic coupling subassembly on electronic expansion valve, especially relates to an axial magnetic coupling subassembly on electronic expansion valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an axial magnetic coupling assembly on an electronic expansion valve comprises a main coupling assembly and a slave coupling assembly;
the main coupling assembly comprises 2 or more than 2 outer magnetic rings and a driven wheel, and the outer magnetic rings are fixed in the driven wheel; the main coupling component is sleeved on the outer wall of the isolation sleeve;
the secondary coupling assembly comprises 2 or more than 2 internal magnetic rings and a valve column, the internal magnetic rings are fixed on the valve column, and the secondary coupling assembly is installed inside the isolation sleeve;
when the main coupling component rotates upwards or rotates downwards, the auxiliary coupling component is driven to ascend or descend in an axial magnetic coupling mode.
It is right to the utility model discloses set up further, from the driving wheel be equipped with the first axial hole that the isolation sleeve excircle matches, first axial downthehole below be equipped with the second axial downthehole that outer magnetic ring matches.
To the utility model discloses further set up, be equipped with on the valve post with the step post that interior magnetic ring matches.
To the utility model discloses further set up, interior magnetic ring with terminal surface between the interior magnetic ring is connected, and the magnetic pole is like nature.
To the utility model discloses further set up, outer magnetic ring with terminal surface between the outer magnetic ring is connected, and the magnetic pole is like nature.
To the utility model discloses further set up, the quantity of outer magnetic ring with the quantity of interior magnetic ring is equal.
It is right to the utility model discloses set up further, axial magnetic coupling does outer magnetic ring with produced side direction magnetic field between the outer magnetic ring with interior magnetic ring with produced side direction magnetic field is that opposite poles attract between the interior magnetic ring.
To the utility model discloses further set up, the outer magnetic ring be equipped with the shaft hole that the isolation sleeve outer wall matches.
Compared with the prior art, the utility model discloses following beneficial effect has:
aiming at the coupling mode of the existing electronic expansion valve, the process is complex, internal parts need to be customized, and the cost is high. The utility model provides a part in the axial magnetic coupling subassembly only need obtain through the technology of moulding plastics and punching press, and not only with low costs, the assembly is simple moreover.
Drawings
The utility model is further explained with the attached drawings:
fig. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic structural view of a driven wheel according to the present invention;
FIG. 3 is a schematic structural view of a valve stem of the present invention;
the specific implementation mode is as follows:
the technical solution of the present invention is further described in detail by the following embodiments.
As shown in fig. 1, fig. 2, and fig. 3, an axial magnetic coupling assembly on an electronic expansion valve according to the present invention includes a master coupling assembly and a slave coupling assembly.
The main coupling assembly comprises more than two outer magnetic rings 2 and a driven wheel 1, and the outer magnetic rings 2 are fixed in the driven wheel 1; the main coupling assembly is sleeved on the outer wall of the isolation sleeve 3.
The outer magnet ring 2 and the driven wheel 1 in the primary coupling assembly will be described in further detail.
Preferably, the driven wheel 1 is provided with a first axial inner hole 11 matching the outer circle of the spacer sleeve 3, and a second axial inner hole 12 matching the outer magnetic ring is provided below the first axial inner hole.
Preferably, the outer magnetic ring 2 is connected with the end face between the outer magnetic rings 2, and the magnetic poles are of the same polarity, that is, the end face of the N magnetic pole of the outer magnetic ring 2 is connected with the end face of the N magnetic pole of the outer magnetic ring 2, or the end face of the S magnetic pole of the outer magnetic ring 2 is connected with the end face of the S magnetic pole of the outer magnetic ring 2.
Preferably, the outer magnetic ring 2 is provided with a shaft hole matching the outer wall of the insulating sleeve 3.
The secondary coupling assembly comprises more than two inner magnetic rings 5 and a valve column 4, wherein the inner magnetic rings 5 are fixed on the valve column 4, and the secondary coupling assembly is installed inside the isolation sleeve 3.
The inner magnetic ring 5 and the spool 4 in the slave coupling assembly are described in further detail.
Preferably, the valve stem 4 is provided with a stepped stem 41 which is matched with the inner magnetic ring.
Preferably, the inner magnetic ring 5 is connected with the end surface between the inner magnetic rings 5, and the magnetic poles are of the same polarity, that is, the end surface of the N magnetic pole of the inner magnetic ring 5 is connected with the end surface of the N magnetic pole of the inner magnetic ring 5, or the end surface of the S magnetic pole of the inner magnetic ring 5 is connected with the end surface of the S magnetic pole of the inner magnetic ring 5.
The master and slave coupling assemblies are further described in conjunction with the master and slave coupling assemblies;
wherein the number of outer magnetic rings 2 and the number of inner magnetic rings 5 are equal;
the axial magnetic coupling is that a lateral magnetic field generated between the outer magnetic ring 2 and a lateral magnetic field generated between the inner magnetic ring 5 and the inner magnetic ring 5 are opposite-attracting, that is, the lateral magnetic field generated between the outer magnetic ring 2 and the outer magnetic ring 2 is an N-pole magnetic field, and then the lateral magnetic field generated between the inner magnetic ring 5 and the inner magnetic ring 5 is an S-pole magnetic field, or the lateral magnetic field generated between the outer magnetic ring 2 and the outer magnetic ring 2 is an S-pole magnetic field, and then the lateral magnetic field generated between the inner magnetic ring 5 and the inner magnetic ring 5 is an N-pole magnetic field.
The working principle of an axial magnetic coupling component of an electronic expansion valve is as follows: when the main coupling component rotates to rise or rotate to fall, the auxiliary coupling component is driven to rise or fall in an axial magnetic coupling mode.
The above embodiments are only for illustrating the technical conception and the characteristics of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention, and accordingly, the present invention is not limited by the embodiments. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. An axial magnetic coupling component on an electronic expansion valve is characterized by comprising a main coupling component and a slave coupling component;
the main coupling assembly comprises 2 or more than 2 outer magnetic rings and a driven wheel, and the outer magnetic rings are fixed in the driven wheel; the main coupling component is sleeved on the outer wall of the isolation sleeve;
the secondary coupling assembly comprises 2 or more than 2 internal magnetic rings and a valve column, the internal magnetic rings are fixed on the valve column, and the secondary coupling assembly is installed inside the isolation sleeve;
when the main coupling component rotates to ascend or rotate to descend, the auxiliary coupling component is driven to correspondingly ascend or descend in an axial magnetic coupling mode.
2. An axial magnetic coupling assembly on an electronic expansion valve according to claim 1, wherein: the driven wheel is provided with a first axial inner hole matched with the excircle of the isolation sleeve, and a second axial inner hole matched with the outer magnetic ring is arranged below the first axial inner hole.
3. An axial magnetic coupling assembly on an electronic expansion valve according to claim 1, wherein: and a step column matched with the inner magnetic ring is arranged on the valve column.
4. An axial magnetic coupling assembly on an electronic expansion valve according to claim 1, wherein: the inner magnetic ring is connected with the end face between the inner magnetic rings, and the magnetic poles are of the same polarity.
5. An axial magnetic coupling assembly on an electronic expansion valve according to claim 1, wherein: the outer magnetic ring is connected with the end face between the outer magnetic rings, and the magnetic poles are of the same polarity.
6. An axial magnetic coupling assembly on an electronic expansion valve according to claim 1, wherein: the number of the outer magnetic rings is equal to the number of the inner magnetic rings.
7. An axial magnetic coupling assembly on an electronic expansion valve according to claim 1, wherein: the axial magnetic coupling is that a lateral magnetic field generated between the outer magnetic ring and a lateral magnetic field generated between the inner magnetic ring and the inner magnetic ring are opposite and attractive.
8. An axial magnetic coupling assembly on an electronic expansion valve according to claim 1, wherein: the outer magnetic ring is provided with a shaft hole matched with the outer wall of the isolation sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352935.0U CN211344172U (en) | 2019-08-20 | 2019-08-20 | Axial magnetic coupling assembly on electronic expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921352935.0U CN211344172U (en) | 2019-08-20 | 2019-08-20 | Axial magnetic coupling assembly on electronic expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211344172U true CN211344172U (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921352935.0U Active CN211344172U (en) | 2019-08-20 | 2019-08-20 | Axial magnetic coupling assembly on electronic expansion valve |
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| CN (1) | CN211344172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202954A (en) * | 2021-03-17 | 2021-08-03 | 诸暨市亿霸电子阀门有限公司 | Induction motor drive type electric control valve |
-
2019
- 2019-08-20 CN CN201921352935.0U patent/CN211344172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202954A (en) * | 2021-03-17 | 2021-08-03 | 诸暨市亿霸电子阀门有限公司 | Induction motor drive type electric control valve |
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