CN201827493U - Piston component of electromagnetic valve and electromagnetic valve with piston component - Google Patents
Piston component of electromagnetic valve and electromagnetic valve with piston component Download PDFInfo
- Publication number
- CN201827493U CN201827493U CN2010205425768U CN201020542576U CN201827493U CN 201827493 U CN201827493 U CN 201827493U CN 2010205425768 U CN2010205425768 U CN 2010205425768U CN 201020542576 U CN201020542576 U CN 201020542576U CN 201827493 U CN201827493 U CN 201827493U
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- piston
- solenoid valve
- piston assembly
- sealing gasket
- diapire
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Abstract
The utility model provides a piston component of an electromagnetic valve and the electromagnetic valve with the piston component. The piston component of the electromagnetic vale is arranged between an upper chamber and a lower chamber of the electromagnetic valve, the upper chamber is connected with a pilot valve of the electromagnetic valve, the lower chamber is connected with an opening of the electromagnetic valve through a seal structure, the piston component includes a piston and the seal structure, the piston includes a piston chamber connected with the upper chamber and a piston wall disposed between the piston chamber and the lower chamber, the seal structure is disposed outside the piston wall and matches with the opening, the piston wall includes an annular side wall and a bottom wall connected therewith, and the bottom wall is closed. The utility model further provides the electromagnetic valve with the piston component, and the bottom wall of the piston component is closed. The piston component and the electromagnetic valve solve the problems of poor opening and closing performances of the electromagnetic valve, inner leakage and the like, thereby achieving the effects of fine opening and closing performances and avoiding inner leakage for the electromagnetic valve.
Description
Technical field
The utility model relates to refrigerating field, more specifically, relates to a kind of piston assembly of solenoid valve and has the solenoid valve of this piston assembly.
Background technique
Piston type electromagnetic valve arrangement of the prior art is seen shown in Figure 1, solenoid valve has the cavity that is formed with valve body 20 assemblings by valve gap 30 and is installed in pilot valve 50 on the valve gap, described valve body two ends are connected with media outlet connecting tube 13 with medium inlet connecting branch 11 respectively, in this cavity, be provided with the valve port A between medium inlet and outlet, over against described valve port A a piston assembly 90 that can produce displacement is set described cavity is divided into B of upper chamber and lower chambers C, be provided with spring seat 70 and piston spring 60 in described piston assembly 90 upper chamber bottom, do the time spent when described poppet port seat 40 is opened when described pilot valve 50 is subjected to electromagnetic attraction, and the pressure difference that makes this piston assembly 90 bear towards the bi-side of described epicoele B and cavity of resorption C at its described valve port A produces displacement when changing and comes the flow of control media by valve port with the aperture that changes described valve port A.
As shown in Figure 2, the piston assembly 90 of above-mentioned piston type electromagnetic valve comprises the piston 95 of upper and lower opening conducting.Piston 95 comprises the piston cavity 950 that is connected with the B of upper chamber, is arranged on the piston wall body between piston cavity and the lower chambers C.The piston wall body comprises annular sidewall 951 and the diapire 953 that is connected with annular sidewall, diapire 953 has upper-end surface 958 that is connected with piston cavity and the lower end surface 959 that is connected with sealing configuration, do not seal between upper-end surface 958 and the lower end surface 959, have riveted holes 952 usually.
As shown in Figure 3, piston assembly 90 is formed by sealing gasket 93, back-up ring 14 and the riveted joint of riveted joint seat 12 Assemblies by piston 95.The product structure performance produces following not enough:
1, the both ends of the surface up and down because of described piston 95 diapires are the conduction type structure, after riveting by riveted holes and riveted joint seat 12, because the existence in riveted joint slit, the generation piston is revealed, can not avoid medium to penetrate into described B of upper chamber and described lower chambers C, finally cause product switching poor performance and product internal leakage uncontrollable from the riveted joint slit;
2, because of described piston assembly 90 adopts inner riveted joint, directly influence product riveted joint difficulty and piston 95 and sealing gasket 93 easily in the riveted joint process with its surface and sealing surface scuffing or wound; In addition sealing gasket 93 easily in piston assembly 90 riveted joint processes because of the deviation of size causes riveted joint not in place or rivet excessively, cause riveted joint loosening or, thereby leak serious in the product even scrap sealing gasket riveted joint distortion;
3, described piston assembly 90 is because of long-time on-off action with under the B of upper chamber, lower chambers C action of pressure, cause described sealing gasket 93 riveted joints place loosening, have a strong impact on the switching performance of product, make solenoid valve shorten working life, strengthened user cost.
The model utility content
The utility model aims to provide a kind of piston assembly of solenoid valve and has the solenoid valve of this piston assembly, to solve the problems such as producing leakage that exists in the piston assembly because piston diapire riveted joint slit.
According to an aspect of the present utility model, a kind of piston assembly of solenoid valve is provided, has been arranged between the upper chamber and lower chambers of solenoid valve, upper chamber is connected with the pilot valve of solenoid valve, lower chambers is connected by sealing configuration with the valve port of solenoid valve, and piston assembly comprises: piston and sealing configuration; Piston comprises the piston cavity that is connected with upper chamber, is arranged on the piston wall body between piston cavity and the lower chambers, sealing configuration is arranged on outside the piston wall body and with valve port and cooperates, the piston wall body comprises annular sidewall and the diapire that is connected with annular sidewall, and diapire seals.
Further, sealing configuration comprises: sealing gasket.
Further, piston also comprises: groove is arranged on the diapire of piston; Protuberance is arranged in the groove and protrudes in the lower end surface of diapire; Wherein, sealing gasket is arranged between groove and the protuberance.
Further, protuberance is for being arranged on groove center and outward extending Cylindrical object.
Further, also comprise: the spacing back-up ring spacing to sealing gasket is arranged on the protuberance.
Further, also comprise: the riveted joint flange spacing to sealing gasket is arranged on the protuberance.
Further, also comprise: the Ka Tai spacing to sealing gasket is arranged on the side of protuberance.
Further, Ka Tai is arranged on the below of sealing gasket.
Further, diapire has internal thread, and piston assembly also comprises the spiro connecting piece that matches with internal thread, and spiro connecting piece has support platform, and sealing gasket is arranged between support platform and the diapire; Spiro connecting piece also has the positive stop lug boss of protection sealing gasket.
According to another aspect of the present utility model, a kind of solenoid valve also is provided, this solenoid valve comprises foregoing piston assembly.
Because the sealing of the piston diapire in the utility model, there has not been the riveted joint slit, make the medium of upper chamber and lower chambers not gang up by the piston diapire, medium in it does not disturb mutually, so overcome existing piston owing to the existence of riveting the slit produces problems such as leakage, the medium that has reached upper chamber, lower chambers does not disturb mutually, and solenoid valve opens and closes the effect of reliable performance.And then the utility model also reached piston assembly processing more simple, prevent piston and sealing gasket surface tear or wound, avoid to increase effect such as cost because leak in the product seriously even scrap.
Description of drawings
Constitute this specification a part, be used for further understanding accompanying drawing of the present utility model and show preferred embodiment of the present utility model, and be used for illustrating principle of the present utility model with specification.Among the figure:
Fig. 1 shows a kind of structure of existing piston type electromagnetic valve;
Fig. 2 shows the structure of piston in the piston type electromagnetic valve among Fig. 1;
Fig. 3 shows the structure of the piston assembly in the piston type electromagnetic valve among Fig. 1;
Fig. 4 shows the structure of the utility model embodiment's piston type electromagnetic valve;
Fig. 5 shows the structure of the utility model embodiment's the piston assembly that passes through the spacing piston type electromagnetic valve of restraining groove;
Fig. 6 shows the structure of the embodiment's of the present utility model piston assembly that passes through the spacing piston type electromagnetic valve of riveted joint flange;
Fig. 7 shows the structure of the utility model embodiment's the piston assembly that passes through the piston type electromagnetic valve that the self-locking of card platform connects; And
Fig. 8 shows the utility model embodiment's the structure that Cock screw locks the piston assembly of the piston type electromagnetic valve that connects of passing through.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figure 4, piston type electromagnetic valve according to the utility model embodiment, include valve body 20 and valve gap 30, and valve body 20 forms cavity with valve gap 30 assembling backs, poppet port seat 40 and pilot valve 50 are installed on the valve gap 30, in cavity, be provided with the valve port A between medium inlet 11 and outlet 13, a piston assembly 90 that can produce displacement be set over against valve port A.
As shown in Figure 4 and Figure 5, the piston assembly 90 of piston type electromagnetic valve is to be formed by connecting by sealing configuration and piston 95.Piston 95 comprises the piston cavity 950 that is connected with upper chamber, is arranged on the piston wall body between piston cavity 950 and the lower chambers C, sealing configuration is arranged on outside the piston wall body and with valve port A and cooperates, the piston wall body comprises annular sidewall 951 and the diapire 953 that is connected with annular sidewall, piston diapire 953 seals, for example, do not have the attachment hole that runs through diapire between the upper-end surface 958 of piston diapire 953 and the lower end surface 959, produce leakage to avoid piston to pass through piston diapire 953.Piston diapire 953 seals, and makes the medium of B of upper chamber and lower chambers C not gang up by the piston diapire, guarantees that the medium in it does not disturb mutually, avoids internal leakage.
Sealing configuration comprises: sealing gasket 93, be arranged between the bottom and valve port A of piston 95, and prevent that medium from leaking from valve port A.Preferably, the material of sealing gasket can be soft materials such as teflon, rubber, nylon and makes.As shown in Figure 5, sealing gasket 93 is arranged on the lower end surface of diapire 953 of piston 95, and for example, sealing gasket 93 is adjacent under the lower end surface of diapire 953.
Because the sealing of the piston diapire in the utility model, there has not been the riveted joint slit, make the medium of upper chamber and lower chambers not gang up by the piston diapire, medium in it does not disturb mutually, so overcome existing piston because the existence in riveted joint slit, produce and reveal, and consequent quantitatively control media penetrates into upper chamber and lower chambers from the riveted joint slit, finally cause product to open and close problems such as poor performance and product internal leakage be uncontrollable, the medium that has reached upper chamber, lower chambers does not disturb mutually, opens and closes the effect of reliable performance.
The piston assembly 90 of piston type electromagnetic valve is formed by connecting by sealing gasket 93 and piston 95, and sealing gasket 93 is various with piston 95 Connecting format.
Embodiment one
As shown in Figure 5, piston 95 wall bodies comprise annular sidewall 951 and the diapire 953 that is connected with annular sidewall, and the diapire 953 of piston seals, and does not promptly have the attachment hole that runs through diapire between the upper-end surface of the diapire 953 of piston and the lower end surface.Piston 95 also comprises: groove (not illustrating separately among the figure) is arranged on the below of lower end surface 959 of the diapire 953 of piston 95; Protuberance 955 is arranged in the groove and protrudes in the lower end surface of diapire 953, and preferably, as shown in Figure 5, protuberance 955 is for being arranged on groove center and outward extending Cylindrical object, and preferably, Cylindrical object can be cylindrical body etc., so that processing.Piston assembly in the piston type electromagnetic valve in the present embodiment is because of directly being connected with outside, so reached piston assembly process more simple, prevent piston and sealing gasket surface tear or the effect of wounding.
As shown in Figure 5, sealing gasket 93 is arranged between groove and the protuberance 955, and sealing gasket 93 can effectively play the effect of sealing.Preferably, as shown in Figure 5, be provided with a position-limit mechanism in protuberance 955 outer lower portion, this position-limit mechanism can comprise restraining groove, be arranged on protuberance 955 outer lower portion, preferably, this position-limit mechanism also comprises: spacing back-up ring 96, be arranged in this restraining groove, sealing gasket 93 is arranged between the lower end surface 959 and spacing back-up ring 96 of diapire 953.Spacing back-up ring 96 can effectively prevent moving of sealing gasket 93, can play the effect of location to sealing gasket 93.
Embodiment two
As shown in Figure 6, embodiment two is mainly that with embodiment one difference the position-limit mechanism below sealing gasket 93 is the riveted joint flange 957 that is arranged on 959 bottoms, lower end surface.959 belows, lower end surface are provided with the riveted holes 954 of axial setting, and riveted joint flange 957 is the outer wall of riveted holes 954.Preferably, position-limit mechanism also comprises: back-up ring 97, be arranged on the riveted joint flange 957, the lower end surface 959 that sealing gasket 93 is arranged on diapire 953 with between the back-up ring 97.Back-up ring 97 can prevent from the riveted joint process sealing gasket 93 spreadings riveted joint to be out of shape, and can also play the cooperation position-limiting action, thereby reduces product processing reject ratio.This position-limit mechanism avoids riveting not in place and riveted joint is excessive causes riveted joint loosening or with sealing gasket riveted joint distortion, has increased the steadiness that connects, and avoids because of leaking serious even product rejection in the product, thereby has saved cost of production and user cost.
Embodiment three
As shown in Figure 7, embodiment three mainly is with embodiment one difference, position-limit mechanism in the lower end surface of sealing gasket 93 is the Ka Tai (not illustrating separately among the figure) that is arranged on the side of protuberance 955, preferably, Ka Tai is arranged on the below of protuberance 955, and the card platform can play the also effect of fixing seal pad 93 of supporting.The shape of Ka Tai is various, as shown in Figure 7, certain oblique angle that can cave inward, the side of Ka Tai, sealing gasket 93 is provided with the protuberance that matches with the oblique angle of this Ka Tai, and both cooperate and form a self-locking mechanism that interlocks.Because be directly to be assembled,, process also more convenient so make that the assembling of sealing gasket 93 is more simple.Certainly, the position of Ka Tai also can be arranged on the top or the middle part of protuberance 955, can be assembled together with sealing gasket 93 equally.Present embodiment makes that product processing is more simple, improves the product work efficiency.
Embodiment four
As shown in Figure 4, the utility model also provides a kind of solenoid valve, and it comprises foregoing piston assembly 90.Solenoid valve with piston assembly 90 of the present utility model, can prevent effectively that the medium of upper chamber and lower chambers from ganging up, it is good to make that solenoid valve opens and closes performance, and can avoid the solenoid valve internal leakage, and solenoid valve processing is more simple, avoid piston and sealing gasket surface scratch or wound.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
1, the medium that effectively prevents upper chamber and lower chambers is ganged up, so that the control product opens and closes performance is good and effectively avoided the product internal leakage.
2, avoid piston, sealing gasket surface scratch or wound; Avoid riveting not in place and riveted joint is excessive causes riveted joint loosening or with sealing gasket riveted joint distortion, avoid seriously causing product rejection, thereby saved cost of production and user cost because of leaking in the product.
What 3, product processing became is more simple directly effective, and has improved the product work efficiency.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. the piston assembly of a solenoid valve (90), be arranged between the upper chamber (B) and lower chambers (C) of solenoid valve, described upper chamber (B) is connected with the pilot valve (50) of solenoid valve, described lower chambers (C) is connected by sealing configuration with the valve port (A) of solenoid valve, and described piston assembly (90) comprising: piston (95) and described sealing configuration; Described piston (95) comprises the piston cavity that is connected with described upper chamber (B), is arranged on the piston wall body between described piston cavity and the described lower chambers (C), described sealing configuration is arranged on outside the described piston wall body and with valve port (A) and cooperates, it is characterized in that
Described piston wall body comprises annular sidewall (951) and the diapire (953) that is connected with described annular sidewall, and described diapire (953) seals.
2. the piston assembly of solenoid valve according to claim 1 (90) is characterized in that, described sealing configuration comprises: sealing gasket (93).
3. the piston assembly of solenoid valve according to claim 2 (90) is characterized in that, described piston (95) also comprises:
Groove is arranged on the diapire (953) of described piston (95);
Protuberance (955) is arranged in the described groove and protrudes in the lower end surface of described diapire (953);
Wherein, described sealing gasket (93) is arranged between described groove and the described protuberance (955).
4. the piston assembly of solenoid valve according to claim 3 is characterized in that, described protuberance (955) is for being arranged on described groove center and outward extending Cylindrical object.
5. the piston assembly of solenoid valve according to claim 4 (90) is characterized in that, also comprises: the spacing back-up ring (97) spacing to described sealing gasket (93) is arranged on the described protuberance (955).
6. the piston assembly of solenoid valve according to claim 4 (90) is characterized in that, also comprises: the riveted joint flange (957) spacing to described sealing gasket (93) is arranged on the described protuberance (955).
7. the piston assembly of solenoid valve according to claim 4 (90) is characterized in that, also comprises: to the spacing Ka Tai of described sealing gasket (93), be arranged on the side of described protuberance (955).
8. the piston assembly of solenoid valve according to claim 7 (90) is characterized in that, described Ka Tai is arranged on the below of described sealing gasket (93).
9. the piston assembly of solenoid valve according to claim 2 (90), it is characterized in that, described diapire has internal thread, described piston assembly (90) also comprises the spiro connecting piece that matches with described internal thread, described spiro connecting piece has support platform (981), and described sealing gasket (93) is arranged between described support platform (981) and the described diapire; Described spiro connecting piece also has the positive stop lug boss (983) of the described sealing gasket of protection (93).
10. a piston type electromagnetic valve is characterized in that, comprises each described piston assembly in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205425768U CN201827493U (en) | 2010-09-26 | 2010-09-26 | Piston component of electromagnetic valve and electromagnetic valve with piston component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205425768U CN201827493U (en) | 2010-09-26 | 2010-09-26 | Piston component of electromagnetic valve and electromagnetic valve with piston component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201827493U true CN201827493U (en) | 2011-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205425768U Expired - Fee Related CN201827493U (en) | 2010-09-26 | 2010-09-26 | Piston component of electromagnetic valve and electromagnetic valve with piston component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201827493U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927297A (en) * | 2012-11-15 | 2013-02-13 | 无锡智能自控工程股份有限公司 | Anti-drop structure for regulating valve bushing |
| CN103016714A (en) * | 2012-12-11 | 2013-04-03 | 中国船舶重工集团公司第七〇五研究所 | Sealing piston mechanism applicable to realizing bidirectional flowing of high-pressure electromagnetic valve gas |
| CN105612328A (en) * | 2013-10-14 | 2016-05-25 | 大陆汽车有限责任公司 | Valve |
| CN106051188A (en) * | 2016-08-11 | 2016-10-26 | 大连世安科技股份有限公司 | Electromagnetic valve |
| CN106567930A (en) * | 2015-10-13 | 2017-04-19 | 上海袋式除尘配件有限公司 | Piston valve for bag type dust collector |
| WO2023143180A1 (en) * | 2022-01-27 | 2023-08-03 | 浙江盾安人工环境股份有限公司 | Stop valve and refrigeration system having same |
| WO2024104308A1 (en) * | 2022-11-15 | 2024-05-23 | 浙江盾安人工环境股份有限公司 | Valve end mounting structure and stop valve |
-
2010
- 2010-09-26 CN CN2010205425768U patent/CN201827493U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927297A (en) * | 2012-11-15 | 2013-02-13 | 无锡智能自控工程股份有限公司 | Anti-drop structure for regulating valve bushing |
| CN103016714A (en) * | 2012-12-11 | 2013-04-03 | 中国船舶重工集团公司第七〇五研究所 | Sealing piston mechanism applicable to realizing bidirectional flowing of high-pressure electromagnetic valve gas |
| CN105612328A (en) * | 2013-10-14 | 2016-05-25 | 大陆汽车有限责任公司 | Valve |
| US9970565B2 (en) | 2013-10-14 | 2018-05-15 | Continental Automotive Gmbh | Solenoid valve piston seal |
| CN106567930A (en) * | 2015-10-13 | 2017-04-19 | 上海袋式除尘配件有限公司 | Piston valve for bag type dust collector |
| CN106567930B (en) * | 2015-10-13 | 2019-03-19 | 上海袋式除尘配件有限公司 | A kind of sack cleaner piston valve |
| CN106051188A (en) * | 2016-08-11 | 2016-10-26 | 大连世安科技股份有限公司 | Electromagnetic valve |
| WO2023143180A1 (en) * | 2022-01-27 | 2023-08-03 | 浙江盾安人工环境股份有限公司 | Stop valve and refrigeration system having same |
| WO2024104308A1 (en) * | 2022-11-15 | 2024-05-23 | 浙江盾安人工环境股份有限公司 | Valve end mounting structure and stop valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20150926 |
|
| EXPY | Termination of patent right or utility model |