CN117287544A - Electric valve body and manufacturing method thereof - Google Patents
Electric valve body and manufacturing method thereof Download PDFInfo
- Publication number
- CN117287544A CN117287544A CN202311181237.XA CN202311181237A CN117287544A CN 117287544 A CN117287544 A CN 117287544A CN 202311181237 A CN202311181237 A CN 202311181237A CN 117287544 A CN117287544 A CN 117287544A
- Authority
- CN
- China
- Prior art keywords
- shell
- positioning sleeve
- valve body
- opening
- valve seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000005452 bending Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 description 9
- 230000005389 magnetism Effects 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses an electric valve body and a manufacturing method thereof, wherein the electric valve body comprises a valve seat and a shell, a positioning sleeve is arranged in one end of the valve seat, a fixed body is arranged outside the positioning sleeve, and a slit is formed between the inner surface of the fixed body and the positioning sleeve; and one end of the shell is opened, one end of the shell opening is bent to form a step part, one end of the shell opening and the step part are both accommodated in a slit between the inner surface of the fixed body and the positioning sleeve, the front end of the fixed body is provided with a bending part, and the front end of the bending part is abutted to the surface of the step part.
Description
[ field of technology ]
The invention belongs to the field of machinery, and particularly relates to an electric valve body and a manufacturing method thereof.
[ background Art ]
The prior art related to the present invention can be seen from chinese patent 00800383.1, 201110184918.2, 201710292756.1 and 202211319213.1, which disclose a structure of an electric valve used in a refrigerating apparatus such as an air conditioner and a refrigerator for controlling a flow rate of a refrigerant or controlling opening and closing of a flow path, wherein the electric valve disclosed in the patents includes a housing having a rotor inside and an exciting coil (stator) outside, and the rotor inside the housing is connected to a valve needle through a screw and nut structure, and in operation, the rotor is driven to rotate by the exciting coil, and the rotational movement is converted into the up-and-down movement of the valve needle through the screw and nut structure, thereby adjusting the position of the valve needle relative to the valve port, thereby realizing the flow rate control of the refrigerant or the opening and closing control of the flow path, which is described in detail in the' 00800383.1 patent. In practice, the housing (e.g., element 22 of FIG. 1 of 00800383.1) is secured to other structure of the electrically operated valve by welding to prevent leakage of liquid or gaseous refrigerant from the interior of the housing, as described in the 201110184918.2, 201710292756.1 and 202211319213.1 patents. However, in the actual manufacturing process, since the component has a smaller size, only a special welding device or a special welding robot can be used in welding, and air tightness inspection is required after the welding is completed, so that the manufacturing cost is too high and the efficiency is too low, a high-temperature environment is generated in the welding, the magnetism of a rotor in the shell is reduced, the precision of the electric valve is reduced, and therefore, a more concise way for fixing the shell to other structures of the electric valve in an air tightness manner is needed to be provided.
[ invention ]
The invention aims to provide an electric valve body and a manufacturing method thereof, which are used for solving the problems of high manufacturing cost and reduced rotor magnetism caused by fixing a shell in a welding mode in the prior art.
In order to achieve the above purpose, the electric valve body for implementing the invention comprises a valve seat and a shell, wherein a positioning sleeve is arranged inside one end of the valve seat, a fixed body is arranged outside the positioning sleeve, and a slit is formed between the inner surface of the fixed body and the positioning sleeve; and one end of the shell is opened, one end of the shell opening is bent to form a step part, one end of the shell opening and the step part are both accommodated in a slit between the inner surface of the fixed body and the positioning sleeve, the front end of the fixed body is provided with a bending part, and the front end of the bending part is abutted to the surface of the step part.
According to the main characteristics, one end of the opening of the shell is connected with the positioning sleeve in an excessively tight fit manner.
According to the main characteristics, the electric valve body is further provided with a sealing ring, the positioning sleeve is provided with a groove, the sealing ring is arranged in the groove, and the other end face of the sealing ring is abutted against the inner surface of the shell.
According to the main characteristics, the thickness of one end of the opening of the shell is larger than that of the middle part of the shell.
According to the main features, the end of the step part of the shell is provided with a protruding part along the extending direction of the shell, the valve seat is correspondingly provided with a containing groove at one side of the slit, and the protruding part is clamped in the containing groove.
In order to achieve the above object, the present invention also provides a method for manufacturing an electric valve body, comprising the steps of:
providing a valve seat, wherein a positioning sleeve is arranged inside one end of the valve seat, a fixing body is arranged outside the positioning sleeve, and a slit is formed between the inner surface of the fixing body and the positioning sleeve;
providing a shell, wherein one end of the shell is opened, and one end of the opening of the shell is bent to form a step part;
one end of the shell opening is inserted into a slit between the inner surface of the fixed body of the valve seat and the positioning sleeve, and one end of the shell opening and the step part are both accommodated in the slit between the inner surface of the fixed body and the positioning sleeve;
the force is applied to the valve seat fixing body, the front end of the fixing body is bent and abutted against the surface of the step part, and the shell is fixed on the valve seat.
According to the main characteristics, one end of the opening of the shell is connected with the positioning sleeve in an excessively tight fit manner.
According to the main features, the method further comprises providing a sealing ring, and arranging a groove in the positioning sleeve, wherein the sealing ring is accommodated in the groove, and the other end face of the sealing ring is abutted against the inner surface of the shell.
According to the main characteristics, the thickness of one end of the opening of the shell is larger than that of the middle part of the shell.
According to the main features, the method further comprises a protruding portion arranged at the tail end of the step portion of the shell along the extending direction of the shell, and a containing groove is correspondingly formed in one side of the slit of the valve seat, and the protruding portion is clamped in the containing groove.
Compared with the prior art, the invention has the advantages that the positioning sleeve and the fixed body are arranged at one end of the valve seat at intervals, one end of the opening of the shell is inserted between the positioning sleeve and the fixed body, the step part is formed by bending one end of the opening of the shell, and then the front end of the fixed body is bent and abutted to the surface of the step part, so that the shell is fixedly connected with the valve seat, a welding mode is not needed, the manufacturing cost is reduced, and the magnetism of the rotor is not influenced.
[ description of the drawings ]
Fig. 1 is a schematic cross-sectional view of an electrically operated valve body embodying the present invention.
Fig. 2 is a partial enlarged view at a in fig. 1.
FIG. 3 is a schematic cross-sectional view of an electrically operated valve body embodying the present invention.
[ detailed description ] of the invention
Referring to fig. 1 and 2, which are schematic cross-sectional views of an electric valve body for implementing the present invention, the electric valve body includes a valve seat 10 and a housing 11, wherein a positioning sleeve 101 is disposed inside one end of the valve seat 10, a fixing body 100 is disposed outside the positioning sleeve 101, and a slit 102 is formed between an inner surface of the fixing body 100 and the positioning sleeve 101; and one end of the housing 11 is opened, and one end of the housing 11, which is opened, is bent to form a step portion 110, the opened end of the housing 11 and the step portion 110 are accommodated in a slit 102 between the inner surface of the fixing body 100 and the positioning sleeve 101, and the front end of the fixing body 100 is bent to form a bending portion 104, and the front end of the bending portion 104 abuts against the surface of the step portion 110, so that the housing 11 is tightly connected with the valve seat 10.
In a specific implementation, the open end of the housing 11 is connected to the positioning sleeve 101 in an excessively tight fit manner. And, the motorised valve body still is equipped with sealing washer 13, be provided with recess 105 on the positioning sleeve 101, sealing washer 13 sets up in the recess 105 to the other terminal surface of sealing washer 13 is contradicted with casing 11 internal surface, sealing washer 13 can be equipped with a plurality ofly, and corresponding recess 105 is equipped with a plurality ofly.
In addition, a protruding portion 111 is provided at the end of the stepped portion 110 at the opening end of the housing 11 along the extending direction of the housing 11, a receiving groove 103 is provided at the slit 102 side of the valve seat 10 correspondingly, and the protruding portion 111 is engaged with the receiving groove 103.
Furthermore, the valve seat 10 is made of an aluminum alloy material, the housing 11 is made of a stainless steel material, and in this embodiment, the open end of the housing 11 is thickened, that is, the open end of the housing 11 is thicker than the other positions of the housing 11, so that the mechanical strength of the open end of the housing 11 can be enhanced, and the inner surface of the housing 11 can be ensured to be closely abutted against the sealing ring 13, so as to enhance the air tightness. The stator (not shown), rotor 14, rotor shaft 15, and screw and nut structure 16 of the motor-operated valve are all described in the prior art, and are not described in detail herein.
The invention also provides a manufacturing method of the electric valve body, which comprises the following steps:
providing a valve seat 10, wherein a positioning sleeve 101 is arranged inside one end of the valve seat 10, a fixed body 100 is arranged outside the positioning sleeve 101, and a slit 102 is formed between the inner surface of the fixed body 100 and the positioning sleeve 101;
providing a shell 11, wherein one end of the shell 11 is opened, and one end of the opening of the shell 11 is bent to form a step part 110;
inserting one end of the opening of the housing 11 into a slit 102 between the inner surface of the fixed body 100 of the valve seat 10 and the positioning sleeve 101, wherein the one end of the opening of the housing 11 and the step 110 are both accommodated in the slit 102 between the inner surface of the fixed body 100 and the positioning sleeve 101, as shown in fig. 3;
the valve seat fixing body 100 is biased, and the front end of the fixing body 100 is bent and abutted against the surface of the step portion 110, so that the housing 11 is fixed to the valve seat 10.
In practice, the method further comprises providing a sealing ring 13, and providing a groove 105 in the positioning sleeve 101, wherein the sealing ring 13 is accommodated in the groove 105, and the other end surface of the sealing ring 13 abuts against the inner surface of the housing 11.
Furthermore, the method further comprises providing a protruding portion 111 at the end of the stepped portion 110 at the open end of the housing 11 along the extending direction of the housing 11, and correspondingly providing a receiving groove 103 at one side of the slit 102 of the valve seat 10, where the protruding portion 111 is engaged with the receiving groove 103.
Compared with the prior art, the invention ensures that the shell 11 is fixedly connected with the valve seat 10 by arranging the positioning sleeve 101 and the fixed body 100 at one end of the valve seat 10 at intervals, inserting one end of the opening of the shell 11 between the positioning sleeve 101 and the fixed body 100, bending one end of the opening of the shell to form the step part 110, and bending the front end of the fixed body 100 to be abutted against the surface of the step part 110 in a punching way, thus avoiding the adoption of a welding way, being more beneficial to reducing the manufacturing cost and not influencing the magnetism of the rotor.
It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present invention and their spirit, and all such modifications and substitutions are intended to be included within the scope of the present invention as defined in the following claims.
Claims (10)
1. An electric valve body, the electric valve body includes disk seat and casing, its characterized in that: a positioning sleeve is arranged inside one end of the valve seat, a fixing body is arranged outside the positioning sleeve, and a slit is formed between the inner surface of the fixing body and the positioning sleeve; and one end of the shell is opened, one end of the shell opening is bent to form a step part, one end of the shell opening and the step part are both accommodated in a slit between the inner surface of the fixed body and the positioning sleeve, the front end of the fixed body is provided with a bending part, and the front end of the bending part is abutted to the surface of the step part.
2. The electrically operated valve body of claim 1, wherein: one end of the opening of the shell is connected with the positioning sleeve in an excessively tight fit mode.
3. The electrically operated valve body of claim 1, wherein: the electric valve body is further provided with a sealing ring, the positioning sleeve is provided with a groove, the sealing ring is arranged in the groove, and the other end face of the sealing ring is abutted against the inner surface of the shell.
4. An electrically operated valve body as in claim 3, wherein: the thickness of one end of the opening of the shell is larger than that of the middle part of the shell.
5. The electrically operated valve body of claim 1, wherein: the tail end of the step part of the shell is provided with a protruding part along the extending direction of the shell, one side of the slit of the valve seat is correspondingly provided with a containing groove, and the protruding part is clamped in the containing groove.
6. The manufacturing method of the electric valve body is characterized by comprising the following steps of:
providing a valve seat, wherein a positioning sleeve is arranged inside one end of the valve seat, a fixing body is arranged outside the positioning sleeve, and a slit is formed between the inner surface of the fixing body and the positioning sleeve;
providing a shell, wherein one end of the shell is opened, and one end of the opening of the shell is bent to form a step part;
one end of the shell opening is inserted into a slit between the inner surface of the fixed body of the valve seat and the positioning sleeve, and one end of the shell opening and the step part are both accommodated in the slit between the inner surface of the fixed body and the positioning sleeve;
the force is applied to the valve seat fixing body, the front end of the fixing body is bent and abutted against the surface of the step part, and the shell is fixed on the valve seat.
7. The method of manufacturing an electrically operated valve body according to claim 6, wherein: one end of the opening of the shell is connected with the positioning sleeve in an excessively tight fit mode.
8. The method of manufacturing an electrically operated valve body according to claim 6, wherein: the method further comprises the steps of providing a sealing ring, and arranging a groove in the positioning sleeve, wherein the sealing ring is accommodated in the groove, and the other end face of the sealing ring is abutted against the inner surface of the shell.
9. The method of manufacturing an electrically operated valve body according to claim 8, wherein: the thickness of one end of the opening of the shell is larger than that of the middle part of the shell.
10. The method of manufacturing an electrically operated valve body according to claim 6, wherein: the method further comprises the step part of the shell, wherein a protruding part is arranged at the tail end of the step part of the shell along the extending direction of the shell, a containing groove is correspondingly arranged at one side of the slit of the valve seat, and the protruding part is clamped in the containing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311181237.XA CN117287544A (en) | 2023-09-13 | 2023-09-13 | Electric valve body and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311181237.XA CN117287544A (en) | 2023-09-13 | 2023-09-13 | Electric valve body and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117287544A true CN117287544A (en) | 2023-12-26 |
Family
ID=89258083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311181237.XA Pending CN117287544A (en) | 2023-09-13 | 2023-09-13 | Electric valve body and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117287544A (en) |
-
2023
- 2023-09-13 CN CN202311181237.XA patent/CN117287544A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7806712B2 (en) | Electric compressor | |
| KR20060043634A (en) | Electrically operated valve | |
| US9343853B2 (en) | Solenoid | |
| CN109196259B (en) | Electric valve | |
| US7816819B2 (en) | Motor with cover member intergrally formed with a stator and holding a connector pin | |
| US20090294713A1 (en) | Flow rate control valve | |
| JP4562699B2 (en) | Electric compressor | |
| US20160061498A1 (en) | Axial valve with stationary element | |
| CN111902630A (en) | Compressor with a compressor housing having a plurality of compressor blades | |
| JP2024083361A (en) | Motor operated valve | |
| US6405758B1 (en) | Valve driving apparatus | |
| CN221121084U (en) | Electric valve body | |
| CN117287544A (en) | Electric valve body and manufacturing method thereof | |
| US20020135248A1 (en) | Sealed motor rotor with ball bearing | |
| CN101749231B (en) | Integrated electric compressor | |
| CN114585840A (en) | Electric valve | |
| CN217130466U (en) | Electromagnetic valve with optimized performance | |
| CN117167540A (en) | Method for manufacturing electric valve body and electric valve body | |
| CN109386643A (en) | Motor-driven valve stator and motor-driven valve | |
| CN1987167B (en) | Electric valve | |
| JP2019019875A (en) | Motor valve and freezing cycle system | |
| EP2434159A2 (en) | Scroll compressor with a check valve | |
| JP7260159B2 (en) | Stator unit, motor-operated valve, and stator unit manufacturing method | |
| EP4365449A1 (en) | Electric compressor | |
| JP2023053708A (en) | Motor-operated valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |