CN204062139U - Valve rotor structure and solenoid valve - Google Patents
Valve rotor structure and solenoid valve Download PDFInfo
- Publication number
- CN204062139U CN204062139U CN201420410308.9U CN201420410308U CN204062139U CN 204062139 U CN204062139 U CN 204062139U CN 201420410308 U CN201420410308 U CN 201420410308U CN 204062139 U CN204062139 U CN 204062139U
- Authority
- CN
- China
- Prior art keywords
- metal sheet
- rotor structure
- valve rotor
- annular
- annular metal
- 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.)
- Withdrawn - After Issue
Links
- 239000002184 metal Substances 0.000 claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 claims abstract description 42
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000003466 welding Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 9
- 230000005347 demagnetization Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 7
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model provides a valve rotor structure, which comprises a valve needle sleeve, an annular metal sheet and an axial limiting part, wherein the upper end part of the valve needle sleeve is provided with a convex ring and an annular convex part, and the annular convex part is arranged on the upper side of the convex ring; the annular metal sheet is sleeved on the annular convex part, and the peripheral shape of the annular convex part is matched with the shape of an inner hole of the annular metal sheet and used for preventing the annular convex part and the annular metal sheet from rotating relatively; one end of the axial limiting part is embedded in the inner hole of the annular bulge part, so that the annular metal sheet is axially fixed. Still relate to a solenoid valve. The valve rotor structure and the electromagnetic valve of the utility model, the assembly of the valve needle sleeve and the annular metal sheet does not need the spot welding process, thereby reducing the assembly process and avoiding the occurrence of high-temperature demagnetization of the magnet; the cooperation of annular bulge and annular sheetmetal has guaranteed the better axiality of needle and magnet, has realized accurate assembly.
Description
Technical field
The utility model relates to Solenoid Valve Technology field, particularly relates to a kind of valve rotor structure and solenoid valve.
Background technique
Existing valve rotor structure is iron plate and magnet integrated injection molding, the limit structure of valve rotor is connected with iron plate spot-welded, spot welding assembling needle again, form overall valve rotor structure, and the limit structure of valve rotor coordinates with upper and lower limit spring, realize valve opening 0 ~ 520 ° spacing, the defect that existing valve rotor structure exists is as follows: need 2 spot-welding technologies in (1) valve rotor Standard, cost is high, and must have the protective measure preventing valve magnet high temperature from demagnetizing in pinpoint welding procedure; (2) be larger Spielpassung between needle and iron plate, need during needle assemble welding to ensure that needle and magnet have good coaxality, otherwise magnet and valve chest can be caused to wipe touch.
Model utility content
In view of the present situation of prior art, the purpose of this utility model is to provide a kind of valve rotor structure and solenoid valve, and the assembling of needle sleeve and annular metal sheet, without the need to spot-welding technology, decreases assembly process, avoids the generation of magnet high temperature demagnetization; The cooperation of annular projection portion and annular metal sheet, ensure that needle and the good coaxality of magnet, achieves accurate assembly.For achieving the above object, the technical solution of the utility model is as follows:
A kind of valve rotor structure, comprising:
Needle sleeve, the upper end portion of described needle sleeve is provided with bulge loop and annular projection portion, and described annular projection portion is placed in the upside of described bulge loop;
Annular metal sheet, described annular metal sheet is set in described annular projection portion, the peripheral shape in described annular projection portion and the internal via shape of described annular metal sheet suitable, relatively rotate for preventing described annular projection portion and described annular metal sheet;
Axial limiting part, one end of described axial limiting part is embedded in the endoporus in described annular projection portion, thus by described annular metal sheet axial restraint.
Wherein in an embodiment, described axial limiting part is two sections of cylinders be connected, and is respectively first paragraph cylinder and second segment cylinder;
Coaxially, the diameter of described first paragraph cylinder is less than the diameter of described second segment cylinder for described first paragraph cylinder and described second segment cylinder.
Wherein in an embodiment, described valve rotor structure also comprises grab, and described grab is arranged on described second segment cylinder, and described annular metal sheet is provided with pilot hole, described grab runs through described pilot hole, described bulge loop is provided with and keeps away bit space for what keep away position to described grab.
Wherein in an embodiment, described pilot hole is fan shaped borehole, and the cross section of described grab is fan-shaped, described grab and described fan shaped borehole suitable, described in keep away bit space be fan-shapedly keep away bit space.
Wherein in an embodiment, described grab is connected on described bulge loop.
Wherein in an embodiment, the fit system of the endoporus in described axial limiting part and described annular projection portion is interference fit.
Wherein in an embodiment, the endoporus of described annular metal sheet is polygonal hole or track type hole.
Wherein in an embodiment, the lower end of described needle sleeve is also provided with outside thread.
Wherein in an embodiment, described annular metal sheet is iron plate.
Also relate to a kind of solenoid valve, comprise the described valve rotor structure of above-mentioned arbitrary technological scheme.
The beneficial effects of the utility model are:
Valve rotor structure of the present utility model and solenoid valve, the assembling of needle sleeve and annular metal sheet, without the need to spot-welding technology, decreases assembly process, avoids the generation of magnet high temperature demagnetization; The cooperation of annular projection portion and annular metal sheet, ensure that needle and the good coaxality of magnet, achieves accurate assembly; Pilot hole and grab are set, further increase efficiency of assembling; Axial limiting part and needle sleeve by interference fit, thus realize axial limiting part and directly hold out against needle in valve needle cover cylinder, further increase the stability of needle.
Accompanying drawing explanation
Fig. 1 is the structural representation of valve rotor structure one embodiment of the present utility model;
Fig. 2 is that the valve rotor structure of solenoid valve one embodiment of the present utility model coordinates schematic diagram with magnet.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, valve rotor structure of the present utility model and solenoid valve are further elaborated.Should be appreciated that specific embodiment described herein only for explaining the utility model, and be not used in restriction the utility model.
See figures.1.and.2, the valve rotor structure of the utility model one embodiment comprises needle sleeve 1, annular metal sheet 2 and axial limiting part 3, and the upper end portion of needle sleeve 1 is provided with bulge loop 11 and annular projection portion 12, and annular projection portion 12 is placed in the upside of bulge loop 11.Annular metal sheet 2 is set in annular projection portion 12, the peripheral shape in annular projection portion 12 and endoporus 21 shape of annular metal sheet suitable, relatively rotate for preventing annular projection portion 12 and annular metal sheet 2, that is annular projection portion 12 is when being placed in the endoporus 21 of annular metal sheet, annular projection portion 12 and annular metal sheet 2 cannot relatively rotate.One end (being lower end in figure) of axial limiting part 3 is embedded in the endoporus 121 in annular projection portion, thus by annular metal sheet 2 axial restraint.The peripheral shape in annular projection portion 12 and endoporus 21 shape of annular metal sheet suitable, ensure that needle and the good coaxality of magnet, achieve accurate assembly.The assembling of valve rotor structure, without the need to spot-welding technology, decreases assembly process, avoids the generation of magnet high temperature demagnetization.
The endoporus 21 of annular metal sheet is polygonal hole or track type hole, and certainly also can be hole in irregular shape, annular metal sheet 2 is preferably iron plate.The lower end of needle sleeve 1 is provided with outside thread 14.
As a kind of embodiment, axial limiting part 3 is two sections of cylinders be connected, and is respectively first paragraph cylinder 31 and second segment cylinder 32, and coaxially, the diameter of first paragraph cylinder 31 is less than the diameter of second segment cylinder 32 for first paragraph cylinder 31 and second segment cylinder 32.Axial limiting part 3 is interference fit with the fit system of the endoporus 121 in annular projection portion.First paragraph cylinder 31 is for coordinating with the endoporus 121 in annular projection portion, and second segment cylinder 32 is for stopping that ring-type tinsel 2 moves axially along first paragraph cylinder 31.
As a kind of embodiment, valve rotor structure also comprises grab 33, and grab 33 is arranged on second segment cylinder 32, annular metal sheet 2 is arranged pilot hole 22, grab 33 runs through pilot hole 22, bulge loop 11 is provided with and keeps away bit space 13 for what keep away position to grab 33.
Preferably, pilot hole 22 is fan shaped borehole, and the cross section of grab 33 is fan-shaped, and grab 33 is suitable with described fan shaped borehole, keeps away bit space 13 and keeps away bit space for fan-shaped.The setting of pilot hole 22, furthermore achieved that accurate assembly, improves efficiency of assembling.
Further, grab 33 is connected on bulge loop 11, more improves the soundness that annular metal sheet 2 is fixing.
The utility model also relates to a solenoid valve, as shown in Figure 2, wherein, the annular sheet metal 2 of valve rotor structure is nested in the inside of the magnet 4 of solenoid valve, and magnet 4 is tubular, and the inner and outer wall of magnet 4 is cylindrical, magnet 4 and annular sheet metal 2 can integrated injection moldings, the annular projection portion 12 of needle sleeve 1 is loaded in the endoporus 21 of annular metal sheet, assembles from lower to upper, thus needle sleeve 1 is assemblied in annular metal sheet 2; Again needle 5 is loaded in needle sleeve 1 from the upper end of the endoporus 121 in annular projection portion, finally axial limiting part 3 is pressed into needle sleeve 2 by tight-push unit, axial limiting part 3 and needle sleeve 2 interference fit, not only ensure that needle 5 is compacted, axial limiting part 3 is also not easy to loosen simultaneously, pilot hole 22 aligns with fan-shaped bit space 13 of keeping away, and has following 2 effects: (1) avoids assembled shaft to occurring during bounding means 3 that fan-shaped bit space 13 of keeping away is blocked by the upper-end surface of the bulge loop 11 of needle sleeve; (2) ensure that needle 5 and magnet 4 coaxality preferably.Whole assembly process does not adopt spot-welding technology, achieves accurate assembly, and needle sleeve 1 in turn ensure that needle 5 and magnet 4 have good coaxality requirement simultaneously.
The valve rotor structure of above embodiment and solenoid valve, without the need to spot-welding technology, decrease assembly process, avoids the generation of magnet high temperature demagnetization.Pilot hole and the valve needle cover barrel structure of leading role are set, ensure that needle and the good coaxality of magnet, achieve accurate assembly.Rotor limit structure directly holds out against the needle in valve needle cover cylinder simultaneously, further increases the stability of needle.
The above embodiment only have expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a valve rotor structure, is characterized in that, comprising:
Needle sleeve, the upper end portion of described needle sleeve is provided with bulge loop and annular projection portion, and described annular projection portion is placed in the upside of described bulge loop;
Annular metal sheet, described annular metal sheet is set in described annular projection portion, the peripheral shape in described annular projection portion and the internal via shape of described annular metal sheet suitable, relatively rotate for preventing described annular projection portion and described annular metal sheet;
Axial limiting part, one end of described axial limiting part is embedded in the endoporus in described annular projection portion, thus by described annular metal sheet axial restraint.
2. valve rotor structure according to claim 1, is characterized in that:
Described axial limiting part is two sections of cylinders be connected, and is respectively first paragraph cylinder and second segment cylinder;
Coaxially, the diameter of described first paragraph cylinder is less than the diameter of described second segment cylinder for described first paragraph cylinder and described second segment cylinder.
3. valve rotor structure according to claim 2, is characterized in that:
Also comprise grab, described grab is arranged on described second segment cylinder, and described annular metal sheet is provided with pilot hole, and described grab runs through described pilot hole, described bulge loop is provided with and keeps away bit space for what keep away position to described grab.
4. valve rotor structure according to claim 3, is characterized in that:
Described pilot hole is fan shaped borehole, and the cross section of described grab is fan-shaped, described grab and described fan shaped borehole suitable, described in keep away bit space be fan-shapedly keep away bit space.
5. valve rotor structure according to claim 4, is characterized in that:
Described grab is connected on described bulge loop.
6. the valve rotor structure according to any one of claim 1-5, is characterized in that:
The fit system of the endoporus in described axial limiting part and described annular projection portion is interference fit.
7. the valve rotor structure according to any one of claim 1-5, is characterized in that:
The endoporus of described annular metal sheet is polygonal hole or track type hole.
8. the valve rotor structure according to any one of claim 1-5, is characterized in that:
The lower end of described needle sleeve is also provided with outside thread.
9. the valve rotor structure according to any one of claim 1-5, is characterized in that:
Described annular metal sheet is iron plate.
10. a solenoid valve, is characterized in that:
Comprise the valve rotor structure described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420410308.9U CN204062139U (en) | 2014-07-23 | 2014-07-23 | Valve rotor structure and solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420410308.9U CN204062139U (en) | 2014-07-23 | 2014-07-23 | Valve rotor structure and solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204062139U true CN204062139U (en) | 2014-12-31 |
Family
ID=52203652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420410308.9U Withdrawn - After Issue CN204062139U (en) | 2014-07-23 | 2014-07-23 | Valve rotor structure and solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204062139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154321A (en) * | 2014-07-23 | 2014-11-19 | 珠海格力电器股份有限公司 | Valve rotor structure and solenoid valve |
-
2014
- 2014-07-23 CN CN201420410308.9U patent/CN204062139U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154321A (en) * | 2014-07-23 | 2014-11-19 | 珠海格力电器股份有限公司 | Valve rotor structure and solenoid valve |
| CN104154321B (en) * | 2014-07-23 | 2016-07-06 | 珠海格力电器股份有限公司 | Valve rotor structure and solenoid valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20160706 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |