CN109469761B - Locking structure of electric valve coil buckle - Google Patents
Locking structure of electric valve coil buckle Download PDFInfo
- Publication number
- CN109469761B CN109469761B CN201811620764.5A CN201811620764A CN109469761B CN 109469761 B CN109469761 B CN 109469761B CN 201811620764 A CN201811620764 A CN 201811620764A CN 109469761 B CN109469761 B CN 109469761B
- Authority
- CN
- China
- Prior art keywords
- fixing piece
- annular elastic
- elastic fixing
- arc
- coil
- 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.)
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Links
- 238000005452 bending Methods 0.000 claims description 19
- 238000001746 injection moulding Methods 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 4
- 238000005538 encapsulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013589 supplement Substances 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a locking structure of a coil buckle of an electric valve, which is characterized in that an arc skirt edge is arranged on a valve body shell, relative limit is formed between the arc skirt edge and the valve body shell, and the locking clamp and an arc elastic fixing piece are relatively fixed to limit the valve body shell, so that the fixing stability between the coil and the valve body shell is improved. According to the invention, the mechanical buckle is used for locking, so that the problem of damage caused by welding and fixing in the prior art is solved, and the service performance of the electric valve is improved.
Description
Technical Field
The invention belongs to the technical field of fastening of electric valve components, and particularly relates to a locking structure of an electric valve coil buckle.
Background
The coil of the existing electric valve is welded with the stator shell through the locating piece to achieve fixed limit of the coil, and because the welding connection process of the locating piece and the stator shell is complex, welding heat can also affect surrounding injection molding materials, sealing performance of the coil is affected, and the problem that the magnetizer is partially exposed in air to generate corrosion is caused.
Disclosure of Invention
Aiming at the existing problems, the invention aims to provide a locking structure of a coil buckle of an electric valve.
For this purpose, the invention adopts the following technical scheme: the utility model provides an electric valve coil buckle locking structure, the coil passes through the shell, the encapsulation layer parcel and the suit is on the valve body casing of electric valve, its characterized in that, electric valve coil buckle locking structure include annular elastic fixing piece, at least one locking card and set up at least one transversely extending arc shirt rim on the bottom of valve body casing, annular elastic fixing piece and the bottom cooperation of coil and injection molding are fixed in the bottom of coil, the head of arc shirt rim be the bending part of a section upwards buckling, the bottom of bending part is higher than the top surface of arc shirt rim, annular elastic fixing piece on be provided with radial setting and with the first buckle groove of bending part complex, the inner edge of annular elastic fixing piece is run through to one end of first buckle groove, the top surface of arc shirt rim paste in annular elastic fixing piece the bottom surface and the bending part card go into first buckle groove, the bottom surface of bending part is supported in annular elastic fixing piece's top surface, through the cooperation between bending part and the arc shirt rim, can prevent the relative rotation of coil relative valve body casing; the locking card set up in the front side of arc shirt rim, the locking card on be provided with the draw-in groove, annular elastic fixing piece on be provided with radial setting and with draw-in groove complex second buckle groove, the one end in second buckle groove run through annular elastic fixing piece's inward flange, the outer tip of draw-in groove be provided with the latch, the outside in second buckle groove be provided with latch complex round hole, the locking card passes through the draw-in groove card and goes into second buckle groove, the outer tip of draw-in groove passes through latch and round hole interlock, the locking card that stretches into annular elastic fixing piece's top with the portion of bending paste to can further restrict the coil for valve body casing relative position, play fixed effect.
The invention also comprises the following technical characteristics as supplement and improvement of the technical scheme.
The number of the arc-shaped skirt edges is two, and the arc-shaped skirt edges are arranged opposite to the center of the valve body shell, so that the valve body shell is prevented from moving towards the tail direction relative to the head of the arc-shaped skirt edge.
The width of the arc skirt edge from the tail part to the head part is gradually widened.
The annular elastic fixing piece is provided with an injection molding locating hole, the bottom of the coil is provided with an injection molding fixing part extending downwards, and the annular elastic fixing piece is fixedly injection molded by extending into the injection molding locating hole through the injection molding fixing part formed by injection molding.
The invention can achieve the following beneficial effects: 1. according to the invention, the arc-shaped skirt edge is arranged on the valve body shell, the relative limit is formed between the arc-shaped skirt edge and the valve body shell, and the locking clamp and the arc-shaped elastic fixing piece are relatively fixed to limit the valve body shell, so that the fixing stability between the coil and the valve body shell is improved. 2. According to the invention, the mechanical buckle is used for locking, so that the problem of damage caused by welding and fixing in the prior art is solved, and the service performance of the electric valve is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of a valve body housing according to the present invention.
Fig. 3 is a schematic structural view of the locking card of the present invention.
Fig. 4 is a schematic structural view of the annular elastic fixing piece of the present invention.
Detailed Description
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
As shown in fig. 1-4, the coil 1 is wrapped and sleeved on the valve body shell 2 of the electric valve through a shell and an encapsulation layer, the electric valve coil buckle locking structure comprises an annular elastic fixing piece 3, at least one locking card 5 and at least one transversely extending arc skirt edge 21 arranged on the bottom of the valve body shell, the annular elastic fixing piece 3 is matched with the bottom of the coil 1 and is fixed on the bottom of the coil 1 in an injection molding way, an injection molding locating hole is formed in the annular elastic fixing piece 3, a downwardly extending injection molding fixing part 4 is arranged at the bottom of the coil, and the annular elastic fixing piece 3 extends into the injection molding locating hole through the injection molding fixing part of injection molding. The head of the arc-shaped skirt edge 21 is a bending part 22 which is bent upwards, the bottom of the bending part 22 is higher than the top surface of the arc-shaped skirt edge 21, a first buckling groove 31 which is radially arranged and matched with the bending part 22 is formed in the annular elastic fixing piece 3, one end of the first buckling groove 31 penetrates through the inner edge of the annular elastic fixing piece 3, the top surface of the arc-shaped skirt edge 21 is abutted against the bottom surface of the annular elastic fixing piece 3, the bending part 22 is clamped into the first buckling groove 31, and the bottom surface of the bending part 22 is abutted against the top surface of the annular elastic fixing piece 3; the locking card 5 sets up in the front side of arc shirt rim 21, be provided with draw-in groove 51 on the locking card 5, be provided with radial setting and with draw-in groove 51 complex second buckle groove 32 on the annular elastic fixing piece 3, the inward flange of annular elastic fixing piece 3 is run through to the one end in second buckle groove 32, the outer tip of draw-in groove 51 is provided with latch 52, the outside in second buckle groove 32 is provided with latch 52 complex round hole 33, locking card 5 passes through draw-in groove 51 card income second buckle groove 32, the outer tip of draw-in groove 51 passes through latch 52 and round hole 33 interlock, the locking card 5 that stretches into the top of annular elastic fixing piece 3 is leaned on with the portion of bending 22.
As the number, preferably, the number of the arcuate skirts 21 is two and oppositely disposed with respect to the center of the valve body housing 2, and the width of the arcuate skirts 21 gradually widens from the tail to the head.
Claims (3)
1. The utility model provides an electric valve coil buckle locking structure, coil (1) is through shell, envelope parcel and suit on electric valve's valve body casing (2), its characterized in that: the electric valve coil buckle locking structure comprises an annular elastic fixing piece (3), at least one locking card (5) and at least one transversely extending arc-shaped skirt edge (21) arranged on the bottom of a valve body shell, wherein the annular elastic fixing piece (3) is matched with the bottom of the coil (1) and is fixedly arranged on the bottom of the coil (1) in an injection molding mode, the head of the arc-shaped skirt edge (21) is a bending part (22) which is bent upwards, the bottom of the bending part (22) is higher than the top surface of the arc-shaped skirt edge (21), a first buckling groove (31) which is radially arranged and matched with the bending part (22) is arranged on the annular elastic fixing piece (3), one end of the first buckling groove (31) penetrates through the inner edge of the annular elastic fixing piece (3), the top surface of the arc-shaped skirt edge (21) is abutted against the bottom surface of the annular elastic fixing piece (3), the bending part (22) is buckled into the first buckling groove (31), and the bottom surface of the bending part (22) is abutted against the top surface of the annular elastic fixing piece (3); the locking clamp comprises an arc skirt (21), wherein a locking clamp (5) is arranged on the front side of the arc skirt (21), a clamping groove (51) is formed in the locking clamp (5), a second clamping groove (32) which is radially arranged and matched with the clamping groove (51) is formed in the annular elastic fixing piece (3), one end of the second clamping groove (32) penetrates through the inner edge of the annular elastic fixing piece (3), a clamping tooth (52) is formed in the outer end of the clamping groove (51), a round hole (33) matched with the clamping tooth (52) is formed in the outer side of the second clamping groove (32), the locking clamp (5) is clamped into the second clamping groove (32) through the clamping groove (51), the outer end of the clamping groove (51) is meshed with the round hole (33) through the clamping tooth (52), and the locking clamp (5) extending into the top of the annular elastic fixing piece (3) is attached to the bending part (22); the annular elastic fixing piece (3) is provided with an injection molding locating hole, the bottom of the coil is provided with an injection molding fixing part (4) extending downwards, and the annular elastic fixing piece (3) is fixedly injection molded by extending into the injection molding locating hole through the injection molding fixing part formed by injection molding.
2. The electric valve coil snap-lock mechanism of claim 1, wherein: the number of the arc-shaped skirt edges (21) is two, and the arc-shaped skirt edges are arranged opposite to the center of the valve body shell (2).
3. The electric valve coil snap-lock mechanism of claim 1, wherein: the width of the arc-shaped skirt edge (21) gradually widens from the tail to the head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620764.5A CN109469761B (en) | 2018-12-28 | 2018-12-28 | Locking structure of electric valve coil buckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620764.5A CN109469761B (en) | 2018-12-28 | 2018-12-28 | Locking structure of electric valve coil buckle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109469761A CN109469761A (en) | 2019-03-15 |
| CN109469761B true CN109469761B (en) | 2024-04-19 |
Family
ID=65677956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811620764.5A Active CN109469761B (en) | 2018-12-28 | 2018-12-28 | Locking structure of electric valve coil buckle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109469761B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799087A (en) * | 2010-02-09 | 2010-08-11 | 浙江盾安禾田金属有限公司 | Coil connecting structure and electronic expansion valve |
| CN203744620U (en) * | 2014-01-15 | 2014-07-30 | 碧茂科技（苏州）有限公司 | Fixing structure between expansion valve body and coil shell |
| WO2015043536A1 (en) * | 2013-09-30 | 2015-04-02 | 浙江三花股份有限公司 | Electronic expansion valve and coil device for same |
| CN104930242A (en) * | 2014-03-20 | 2015-09-23 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN104976406A (en) * | 2014-04-01 | 2015-10-14 | 浙江三花股份有限公司 | Electromagnetic valve |
| CN105715823A (en) * | 2016-03-24 | 2016-06-29 | 常州露斯电器有限公司 | Electric switching valve |
| CN209262370U (en) * | 2018-12-28 | 2019-08-16 | 浙江中宝自控元件有限公司 | A kind of electronic valve coil snap lock structure |
-
2018
- 2018-12-28 CN CN201811620764.5A patent/CN109469761B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799087A (en) * | 2010-02-09 | 2010-08-11 | 浙江盾安禾田金属有限公司 | Coil connecting structure and electronic expansion valve |
| WO2015043536A1 (en) * | 2013-09-30 | 2015-04-02 | 浙江三花股份有限公司 | Electronic expansion valve and coil device for same |
| CN203744620U (en) * | 2014-01-15 | 2014-07-30 | 碧茂科技（苏州）有限公司 | Fixing structure between expansion valve body and coil shell |
| CN104930242A (en) * | 2014-03-20 | 2015-09-23 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN104976406A (en) * | 2014-04-01 | 2015-10-14 | 浙江三花股份有限公司 | Electromagnetic valve |
| CN105715823A (en) * | 2016-03-24 | 2016-06-29 | 常州露斯电器有限公司 | Electric switching valve |
| CN209262370U (en) * | 2018-12-28 | 2019-08-16 | 浙江中宝自控元件有限公司 | A kind of electronic valve coil snap lock structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109469761A (en) | 2019-03-15 |
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