CN202158246U - Electric valve and coil fixing support thereof - Google Patents

Electric valve and coil fixing support thereof Download PDF

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Publication number
CN202158246U
CN202158246U CN2011202593304U CN201120259330U CN202158246U CN 202158246 U CN202158246 U CN 202158246U CN 2011202593304 U CN2011202593304 U CN 2011202593304U CN 201120259330 U CN201120259330 U CN 201120259330U CN 202158246 U CN202158246 U CN 202158246U
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China
Prior art keywords
coil
draw
groove
stationary frame
buckle
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Expired - Lifetime
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CN2011202593304U
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Chinese (zh)
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不公告发明人
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Zhejiang Sanhua Intelligent Controls Co Ltd
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Zhejiang Sanhua Co Ltd
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Abstract

The utility model discloses a coil fixing support of an electric valve. The coil fixing support is provided with a first clamping groove and a second clamping groove, and a clamping boss of a coil can be inserted into the first clamping groove and the second clamping groove. An out-protruding limiting block is arranged on the coil fixing support and located between the first clamping groove and the second clamping groove. The limiting block in the coil fixing support is arranged between the first clamping groove and the second clamping groove for limiting the radial bottom of a fastener or the clamping boss, or limiting the rotating scope of an axial part, and further limiting the rotating scope of the fastener so as to limit the rotating scope of the whole coil, avoid interference of leads and connecting tubes caused by over-rotating of the coil and further eliminate breaking of the leads or poor insulation of the leads caused by the interference. The utility model further discloses the electric valve with the coil fixing support.

Description

A kind of mortor operated valve and coil stationary frame thereof
Technical field
The utility model relates to the flow control valve technical field, particularly a kind of coil stationary frame of mortor operated valve.The utility model also relates to a kind of mortor operated valve that comprises above-mentioned coil stationary frame.
Background technique
Need the occasion of regulated fluid flow at air-conditioning, refrigerator, heat pump, water heater and all kinds of refrigeration, heating device or other, understand the use traffic modulating valve usually, mortor operated valve is a kind of of flow control valve.
Please refer to Fig. 1 to Fig. 3, Fig. 1 is a kind of structural representation of typical mortor operated valve; Fig. 2 is the worm's eye view of Fig. 1; Fig. 3 is the structural representation of coil fixing frame among Fig. 1.
Mortor operated valve shown in Figure 1 mainly comprises coil 11 and valve body 12, coil 11 overcoat valve bodies 12.The periphery of coil 11 is fixed with buckle 111 parts, and the periphery of the axial part of buckle 111 and coil 11 is fixed, and the radially bottom of buckle 111 is provided with the hemispherical boss 1111 (the bottom fovea superior of buckle 111 forms boss 1111 among Fig. 1) to upper process.Mortor operated valve also has coil stationary frame 121, and coil stationary frame 121 is an annular, has two draw-in grooves along coil fixing frame 121 outer rims, and first draw-in groove 1211 shown in Fig. 3 and second draw-in groove 1212 are two notch geometries.The valve seat interference fit of coil stationary frame 121 and valve body 12, when being assembled into valve body 12, that coil stationary frame 121 is fixing through the mode and the valve seat welding of soldering.Behind the coil 11 overcoat valve bodies 12, coil 11 is rotated to an angle, make the boss 1111 of buckle 111 bottoms snap in one of them draw-in groove, thus fixed coil 11 and valve body 12 to a certain extent.
There is following technical problem in coil stationary frame 121 to said structure: coil 11 is assembled on the valve body 12, selects buckle boss 1111 is snapped in a draw-in groove of coil stationary frame 121; But exert oneself when excessive; Possibly cause buckle boss 1111 to break away from this draw-in groove, and rotation-sliding is as shown in Figure 2 to another draw-in groove; When buckle boss 1111 when first draw-in groove 1211 slides onto in second draw-in groove 1212; Root in coil 11 plug wire portions lead-in wire 112 rotation thereupon, and interfere with the adapter that is connected valve body 12 13 is because root lead-in wire 112 is by epoxy resin cure (112 coming off in order to seal and to prevent to go between); Be prone to cause root lead-in wire 112 cracking that fractures after the interference, thus cause rupturing or insulation etc. bad.Certainly, when buckle boss 1111 slides onto in first draw-in groove 1211 from second draw-in groove 1212, there is same problem.
In view of above-mentioned technical problem, how to improve the structure of coil stationary frame, avoid the lead-in wire that the coil slippage causes and the interference of adapter, be those skilled in the art's technical issues that need to address.
The model utility content
The purpose of the utility model is the coil stationary frame that a kind of mortor operated valve is provided; This coil stationary frame can be avoided the buckle boss slippage draw-in groove that cooperates with it; Make the buckle boss stably be positioned at draw-in groove; Thereby lead-in wire that solves buckle boss slippage and cause and the problem of taking over interference, and then eliminated wire breaking or the insulation fault phenomenon that causes by interference.Another purpose of the utility model provides a kind of mortor operated valve with above-mentioned coil stationary frame.
For reaching first purpose of the utility model; The utility model provides a kind of coil stationary frame of mortor operated valve; Said coil stationary frame has first draw-in groove and second draw-in groove of the buckle boss insertion that supplies coil; Said coil stationary frame is provided with the limiting stopper of evagination, and said limiting stopper is between said first draw-in groove and said second draw-in groove.
Preferably, said limiting stopper is a positive stop lug boss of being located at said coil stationary frame bottom, and said positive stop lug boss is located on the circumferential line of said first draw-in groove and said second draw-in groove.
Preferably, the outer surface of said positive stop lug boss is a sphere.
Preferably, said limiting stopper is the part outside of the said coil stationary frame of punching press and the bending plate that forms to its bottom bending.
Preferably, the number of said limiting stopper is two.
Preferably, the height of said positive stop lug boss is less than the height of said buckle boss.
The limiting stopper that the coil stationary frame that the utility model provides is provided with is between first draw-in groove and second draw-in groove; Can limit the radially bottom or the buckle boss of buckle; Or the slewing area of axial part, limit the slewing area of buckle then, then the slewing area of whole winding is able to restriction; The lead-in wire of having avoided the coil inordinate rotation and having caused is interfered with adapter, and then has eliminated wire breaking or the insulation fault phenomenon that is caused by interference.
In further technological scheme, limiting stopper is a positive stop lug boss of being located at coil stationary frame bottom, and on the spacing circumferential line that is convexly set in first draw-in groove and second draw-in groove.When then buckle rotated, buckle boss or buckle radially bottom must be conflicted with positive stop lug boss, and this structure processing is simple, and is spacing reliable.
In further technological scheme, the number of limiting stopper is two.Two positive stop lug boss are set, can corresponding positive stop lug boss be set for two draw-in grooves, when then the buckle boss is positioned at first draw-in groove or second draw-in groove; After breaking away from slippage; All have corresponding positive stop lug boss and limit its rotation, no matter it still rotates counterclockwise clockwise, all can be able to restriction reliably.
For reaching another purpose of the utility model, the utility model also provides a kind of mortor operated valve, has coil and valve body, is welded with the coil stationary frame on the said valve body, and said coil stationary frame is above-mentioned each described coil stationary frame.Because above-mentioned coil stationary frame has above-mentioned technique effect, the mortor operated valve with this coil stationary frame also has identical technique effect.
Description of drawings
Fig. 1 is a kind of structural representation of typical mortor operated valve;
Fig. 2 is the worm's eye view of Fig. 1;
Fig. 3 is the structural representation of coil fixing frame among Fig. 1;
Fig. 4 provides the structural representation of first kind of embodiment of coil stationary frame for the utility model;
Fig. 5 is coil fixing frame among Fig. 4 and the structural representation that is clasped;
Fig. 6 is for using the structural representation of the mortor operated valve of coil fixing frame among Fig. 4;
Fig. 7 is the worm's eye view of Fig. 6;
Fig. 8 provides the structural representation of second kind of embodiment of coil stationary frame for the utility model;
Fig. 9 provides the structural representation of the third embodiment of coil stationary frame for the utility model.
Embodiment
The core of the utility model is the coil stationary frame that a kind of mortor operated valve is provided; This coil stationary frame can be avoided the buckle boss slippage draw-in groove that cooperates with it; Make the buckle boss stably be positioned at draw-in groove; Thereby lead-in wire that solves buckle boss slippage and cause and the problem of taking over interference, and then eliminated wire breaking or the insulation fault phenomenon problem that causes by interference.Another core of the utility model provides a kind of mortor operated valve with above-mentioned coil stationary frame.
In order to make those skilled in the art understand technological scheme of the present invention better, the utility model is done further to specify below in conjunction with accompanying drawing and specific embodiment.In addition, the embodiment part when the structure of describing the coil stationary frame and beneficial effect thereof, all combines valve body and coil to describe, and mainly is because the coil stationary frame is used for set winding and valve body, in conjunction with describing easy to understand.
Please refer to Fig. 4 to Fig. 7, Fig. 4 provides the structural representation of first kind of embodiment of coil stationary frame for the utility model; Fig. 5 is coil fixing frame among Fig. 4 and the structural representation that is clasped; Fig. 6 is for using the structural representation of the mortor operated valve of coil fixing frame among Fig. 4; Fig. 7 is the worm's eye view of Fig. 6.
Identical with background technique; Coil stationary frame 221 in this mode of execution has first draw-in groove 2211 and second draw-in groove 2212 of buckle boss 2111 insertions that supply coil 21; Buckle 211 have axial part and radially the bottom; Radially the bottom is provided with buckle boss 2111, the first draw-in grooves 2211 and second draw-in groove 2212 can be the breach at coil stationary frame 221 edges shown in Fig. 4.Understand in conjunction with Fig. 6 and Fig. 7, the buckle boss 2111 of buckle 211 can snap in first draw-in groove 2211 or second draw-in groove 2212 when rotating, and promptly in fact first draw-in groove 2211 and second draw-in groove 2212 are positioned on the camber line of buckle boss 2111 rotations.
Different with background technique is that coil stationary frame 221 is provided with the limiting stopper of evagination, and limiting stopper is between first draw-in groove 2211 and second draw-in groove 2212.Limiting stopper shown in Figure 4 is the positive stop lug boss 2213 that is positioned at coil stationary frame 221 bottoms, and positive stop lug boss 2213 extends along the outer rim of coil fixing frame 221 to the inside.From Fig. 6 and Fig. 7, can find out, behind the coil 21 overcoat valve bodies 22, be rotated counterclockwise several angle; Can make the buckle boss 2111 on its buckle 211 snap in first draw-in groove 2211 (position of sight line circle 21 also can make it turn clockwise, and buckle boss 2111 is snapped in second draw-in groove 2212); Dynamics is excessive during operation, and coil 21 can continue to be rotated counterclockwise, and buckle boss 2111 breaks away from first draw-in groove 2211; And circumferentially slide to second draw-in groove 2212 along coil fixing frame 221; At this moment, owing to have positive stop lug boss 2213 between first draw-in groove 2211 and second draw-in groove 2212, positive stop lug boss 2213 has limited the rotation of buckle 211; And then limited the rotation of whole winding 21; Then positive stop lug boss 2213 can be avoided because the inordinate rotation of coil 21, and the lead-in wire 212 in the plug wire portion that causes be connected in the interference of valve body 22 upper connecting tubes 23, and then eliminated wire breaking or the insulation fault phenomenon that causes by interference.
In this mode of execution; The height of positive stop lug boss 2213 (length of extending downwards along coil fixing frame 221 bottoms) is less than the height of buckle boss 2111; And positive stop lug boss 2213 is positioned on the circumferential line of first draw-in groove 2211 and second draw-in groove 2212; Here circumferentially refer to coil stationary frame 221 circumferentially, on the camber line that promptly buckle boss 2111 rotates.When then buckle boss 2111 slides onto positive stop lug boss 2213 places by first draw-in groove 2211; Buckle boss 2111 must be conflicted with positive stop lug boss 2213; Buckle boss 2111 is usually located at the center of buckle 211 bottoms; The rotation of restriction buckle boss 2111 can limit the rotation of buckle 211 comparatively reliably.
Please refer to Fig. 8, Fig. 8 provides the structural representation of second kind of embodiment of coil stationary frame for the utility model.
Positive stop lug boss 2213 is mainly used in buckle boss 2111 (or radially sidewall of bottom of buckle 211) and conflicts; Positive stop lug boss 2213 in first kind of embodiment roughly is rectangular-shaped; Certainly, for realizing this purpose, positive stop lug boss 2213 also can be other shapes.In this embodiment, the outer surface of positive stop lug boss 2213 is a sphere, and the positive stop lug boss 2213 shown in the figure is roughly hemispherical.Hemispheric positive stop lug boss 2213 with the conflict process of buckle boss 2111 in owing to possess certain radian, can reduce the mutual wearing and tearing of itself and buckle boss 2111.
Please refer to Fig. 9, Fig. 9 provides the structural representation of the third embodiment of coil stationary frame for the utility model.
In this embodiment, limiting stopper is the part outside of stamped coil fixing frame 221 and the bending plate 2214 that forms to the bottom bending.The effect of bending plate 2214 is identical with positive stop lug boss 2213, can conflict with buckle boss 2111 equally, and restriction buckle 211 rotates.Bending plate 2214 can directly be formed by stamping process, processes comparatively simple and easy.
To above-mentioned all mode of executions, the number of limiting stopper can be two, is provided with among first and second embodiments among two positive stop lug boss, 2213, the three embodiments and is provided with two bending plate 2214.Explain that with positive stop lug boss 2,213 two positive stop lug boss 2213 are located at respectively near first draw-in groove 2211 and second draw-in groove 2212, when then buckle boss 2111 is positioned at first draw-in groove 2211, after the slippage, can receive stopping of the positive stop lug boss close with it 2213; Equally, when buckle boss 2111 is arranged in second draw-in groove 2212, after the slippage, also can receive stopping of the positive stop lug boss close with it 2213, when two positive stop lug boss 2213 equate with the distance of corresponding draw-in groove, be consistent from the spacing angle of both direction.
Hence one can see that, and two positive stop lug boss 2213 are set, and can corresponding positive stop lug boss 2213 be set for two draw-in grooves, and no matter coil 21 still rotates counterclockwise clockwise, all can be able to restriction reliably.Distance between positive stop lug boss 213 and the corresponding draw-in groove; It is the distance between itself and the buckle boss 2111; This is apart from having determined the angle of buckle boss 2111 from draw-in groove continuation slippage, and therefore, the distance of two positive stop lug boss 2213 and first draw-in groove 2211 and second draw-in groove 2212 can design according to the physical constraints needs; Be not limited to after buckle boss 2111 changes a draw-in groove over to; Can't continue to rotate along same direction, can allow it in several angle, to rotate, not interfere with lead-in wire 212 be prerequisite to take over 23; And positive stop lug boss 2213 is convenient to technologic processing on the one hand apart from the draw-in groove certain distance, on the other hand, avoids limiting buckle boss 2111 and snaps in the draw-in groove.Certainly; The rotation that a positive stop lug boss 2213 also can limit buckle 211 to a certain extent is set; Because; Have certain distance between first draw-in groove 2211 and second draw-in groove 2212, a positive stop lug boss 2213 only is set, the adjustability of its limit effect and design is inferior to the mode of execution that two positive stop lug boss 2213 are set.
In addition, the height of positive stop lug boss 2213 and bending plate 2214 is all less than the height of buckle boss 2111 in the foregoing description, and then limiting stopper is used to limit the rotation of buckle boss 2111.In fact, the height of positive stop lug boss 2213 or bending plate 2214 also can be higher than the height of buckle boss 2111, and when buckle 211 continued the slippage rotation, the positive stop lug boss 2213 direct and radially sidewall conflicts of bottom of buckle 211 can limit the rotation of buckle 211 equally; In view of buckle boss 2214 is formed by 221 punching presses of coil stationary frame, make it have higher height, on technology, be not easy to realize; Possibly thrust coil stationary frame 221, when the height of bending plate 2214 is higher, depart from the center of buckle 211 bottoms easily; Influence restriction effect; Therefore, preferably make the height of the height of positive stop lug boss 2213 or bending plate 2214, limit its rotation with 2111 conflicts of buckle boss and get final product less than buckle boss 2111.
In addition; Limiting stopper among above-mentioned each embodiment is positioned at the bottom of coil stationary frame 221; In fact, limiting stopper also can be the limit dais that extends from coil stationary frame 221 edge outward radials, and it is necessity that the radial length that limit dais extends rotates with the axial part of restriction buckle 211; Compare with the radially bottom rotation of restriction buckle 211 in the foregoing, can realize the purpose that limiting coil 21 rotates equally.Certainly, compare with limit dais, positive stop lug boss 2213 in the foregoing or bending plate 2214 structures are easier to processing, and minimum to the structure influence of coil stationary frame 221.Hence one can see that; The limiting stopper that the utility model is provided with is between first draw-in groove 2211 and second draw-in groove 2212; Can limit the radially bottom or the buckle boss 2111 of buckle 211; Or the slewing area of axial part, limit the slewing area of buckle 211 then, then the slewing area of whole winding 21 is able to restriction.
In addition, the coil stationary frame 221 in the foregoing description only has first draw-in groove 2211 and second draw-in groove 2212, in fact, also can have a plurality of draw-in grooves, certainly, between first draw-in groove 2211 and second draw-in groove 2212 other draw-in grooves is not set.
The utility model also provides a kind of mortor operated valve; Have coil 21 and valve body 22; Be welded with coil stationary frame 221 on the valve body 22, coil stationary frame 221 is used for connecting coil 21 and valve body 22, and coil stationary frame 221 is the described coil stationary frame 221 of above-mentioned arbitrary embodiment.Because above-mentioned coil stationary frame 221 has above-mentioned technique effect, the mortor operated valve with this coil stationary frame 221 also has identical technique effect, does not give unnecessary details at this.
More than a kind of mortor operated valve provided by the present invention and coil stationary frame thereof have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.

Claims (7)

1. the coil stationary frame of a mortor operated valve; Said coil stationary frame (221) has first draw-in groove (2211) and second draw-in groove (2212) of buckle boss (2111) insertion of confession coil (21); It is characterized in that; Said coil stationary frame (221) is provided with the limiting stopper (2213) of evagination, and said limiting stopper (2213) is positioned between said first draw-in groove (2211) and said second draw-in groove (2212).
2. coil stationary frame according to claim 1; It is characterized in that; Said limiting stopper (2213) is for being located at the positive stop lug boss (2213) bottom the said coil stationary frame (221), and said positive stop lug boss (2213) is located on the circumferential line of said first draw-in groove (2211) and said second draw-in groove (2212).
3. coil stationary frame according to claim 2 is characterized in that, the outer surface of said positive stop lug boss (2213) is a sphere.
4. coil stationary frame according to claim 1 is characterized in that, said limiting stopper is the part outside of the said coil stationary frame of punching press (2213) and the bending plate (2214) that forms to its bottom bending.
5. according to each described coil stationary frame of claim 1 to 4, it is characterized in that the number of said limiting stopper is two.
6. according to claim 2 or 3 described coil stationary framves, it is characterized in that the height of said positive stop lug boss (2213) is less than the height of said buckle boss (2111).
7. a mortor operated valve has coil (21) and valve body (22), is welded with coil stationary frame (221) on the said valve body (22), it is characterized in that, said coil stationary frame (221) is each described coil stationary frame (221) of claim 1 to 6.
CN2011202593304U 2011-07-22 2011-07-22 Electric valve and coil fixing support thereof Expired - Lifetime CN202158246U (en)

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CN2011202593304U CN202158246U (en) 2011-07-22 2011-07-22 Electric valve and coil fixing support thereof

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Application Number Priority Date Filing Date Title
CN2011202593304U CN202158246U (en) 2011-07-22 2011-07-22 Electric valve and coil fixing support thereof

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103307339A (en) * 2012-03-09 2013-09-18 浙江盾安禾田金属有限公司 Positioning and connecting structure for valve body of electronic expansion valve for air conditioner and coil
CN104269959A (en) * 2014-10-08 2015-01-07 北京曙光航空电气有限责任公司 Wire breaking preventing and wire leading structure of LVDT displacement sensor
CN111237520A (en) * 2018-11-29 2020-06-05 杭州三花研究院有限公司 Valve assembly
CN111237500A (en) * 2018-11-29 2020-06-05 杭州三花研究院有限公司 Manufacturing method of valve component
CN113803512A (en) * 2020-06-17 2021-12-17 浙江三花智能控制股份有限公司 Electromagnetic valve

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103307339A (en) * 2012-03-09 2013-09-18 浙江盾安禾田金属有限公司 Positioning and connecting structure for valve body of electronic expansion valve for air conditioner and coil
CN103307339B (en) * 2012-03-09 2015-06-10 浙江盾安禾田金属有限公司 Positioning and connecting structure for valve body of electronic expansion valve for air conditioner and coil
CN104269959A (en) * 2014-10-08 2015-01-07 北京曙光航空电气有限责任公司 Wire breaking preventing and wire leading structure of LVDT displacement sensor
CN111237520A (en) * 2018-11-29 2020-06-05 杭州三花研究院有限公司 Valve assembly
CN111237500A (en) * 2018-11-29 2020-06-05 杭州三花研究院有限公司 Manufacturing method of valve component
CN111237520B (en) * 2018-11-29 2023-03-24 杭州三花研究院有限公司 Valve assembly
CN113803512A (en) * 2020-06-17 2021-12-17 浙江三花智能控制股份有限公司 Electromagnetic valve

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GR01 Patent grant
C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: 312500 Xinchang, Zhejiang Qixing street under the Liquan

Patentee after: Zhejiang three flower intelligent control Limited by Share Ltd

Address before: 312500 Liquan village of Chengguan Zhejiang city of Shaoxing province Xinchang County town

Patentee before: Zhejiang Sanhua Co., Ltd.

CX01 Expiry of patent term

Granted publication date: 20120307

CX01 Expiry of patent term