CN205371695U - Diaphragm assembly of solenoid valve - Google Patents
Diaphragm assembly of solenoid valve Download PDFInfo
- Publication number
- CN205371695U CN205371695U CN201620060121.XU CN201620060121U CN205371695U CN 205371695 U CN205371695 U CN 205371695U CN 201620060121 U CN201620060121 U CN 201620060121U CN 205371695 U CN205371695 U CN 205371695U
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- Prior art keywords
- diaphragm
- rubber sleeve
- electromagnetic valve
- relief hole
- gland
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Abstract
The utility model discloses a diaphragm assembly of solenoid valve, including diaphragm pressing cover, diaphragm body and rubber sleeve, diaphragm pressing cover's bottom is equipped with pressure release hole post, open to have in the post of pressure release hole and link up the pressure release hole on surface about the diaphragm pressing cover, offer on the diaphragm body and run through its apopore way on surface from top to bottom, the diaphragm body with form the water -pressure balance chamber between the diaphragm pressing cover, pressure release hole post passes the rubber sleeve inserts on the diaphragm body in the apopore is said, the annular groove has been seted up on the lateral wall of pressure release hole post, the rubber sleeve part is inlayed and is established in the annular groove, the upper surface of diaphragm body its four weeks centerings sunken conical surface gradually of serving as reasons. The utility model relates to a diaphragm assembly of solenoid valve can avoid the sliding friction between rubber sleeve and the pressure release hole post, prevents rubber sleeve wear deformation, prolongs diaphragm assembly's life.
Description
Technical field
This utility model relates to a kind of electromagnetic valve component, particularly relates to the diaphragm unit of a kind of electromagnetic valve.
Background technology
Electromagnetic valve is mainly used in the automatic control system that medium is water, such as sensing sanitary appliance, IC water meter etc..Electromagnetic valve mainly includes the valve head, valve gap and the valve body that from top to bottom assemble successively, is provided with diaphragm unit in this valve body, and diaphragm unit is the vitals playing sealing function in electromagnetic valve.The diaphragm unit (patent No. is 201120106366.9) of a kind of impulse electromagnetic valve of Chinese utility model patent, including diaphragm gland, diaphragm body and rubber sleeve, having, on this diaphragm body, the relief hole running through upper and lower surface, the water cavity of this diaphragm body and electromagnetic valve is in sealing against；This diaphragm body by can on remove open and move down the outlet closed on electromagnetic valve in the way of be resilient being flexibly connected with this diaphragm gland, wherein: on described diaphragm body in the way of dismantling sheathed described rubber sleeve, the upper end of described rubber sleeve upwardly extend and to should relief hole place integrally formed with the O in order to seal；The bottom of described diaphragm gland is provided with relief hole post, has through described pressing diaphragm and cover the relief hole of lower surface in this relief hole post, and this relief hole post inserts in the described relief hole on described diaphragm body after this O on described rubber sleeve.The diaphragm unit of this impulse electromagnetic valve has the pressure release path of upper and lower through type, pressure release is effective, simple in construction is prone to processing, but there is problems in that along with diaphragm body and rubber sleeve upwardly or downwardly slide along the relief hole post on pressing diaphragm lid, the easy abrasion deformation of rubber sleeve, the sealing property of rubber sleeve reduces, and affects the normal use of the diaphragm unit of this impulse electromagnetic valve.
Utility model content
The purpose of this utility model is in that to provide the diaphragm unit of a kind of electromagnetic valve, it is possible to avoid the sliding friction between rubber sleeve and relief hole post, it is prevented that rubber sleeve abrasion deformation, extends the service life of diaphragm unit.
In order to reach above-mentioned purpose, solution of the present utility model is:
nullA kind of diaphragm unit of electromagnetic valve，Including diaphragm gland、Diaphragm body and rubber sleeve，The bottom of described diaphragm gland is provided with relief hole post，Have through described pressing diaphragm in described relief hole post and cover the relief hole of lower surface，Described diaphragm body offers the water outlet duct running through its upper and lower surface，The water chamber of described diaphragm body and electromagnetic valve is in sealing against，Described diaphragm body by can on remove open and move down the outlet closed on electromagnetic valve in the way of be resilient being flexibly connected with described diaphragm gland，Water pressure balance cavity is formed between described diaphragm body and described diaphragm gland，The lower surface of described rubber sleeve is fitted on the surface of described diaphragm body，Described relief hole post is through described rubber sleeve and inserts in the described water outlet duct on described diaphragm body，The sidewall of described relief hole post offers annular groove，Described rubber sleeve part is embedded in described annular groove，The upper surface of described diaphragm body is the conical surface caved in gradually by its four circumferences center.
Being provided with in described diaphragm gland and connect with described water pressure balance cavity and the pod apertures isolated with described relief hole, described pod apertures is through the upper and lower surface of described diaphragm gland.
Described diaphragm body includes the upper disk, lower disc and the projection that are sequentially connected with up and down, it is formed with step surface between described upper disk and described lower disc, described water outlet duct is through described upper disk, described lower disc and described projection, the surface of described upper disk is the conical surface caved in gradually by its four circumferences center, and the water chamber of described lower disc and electromagnetic valve is in sealing against.
The lower surface of described rubber sleeve is bonded to each other with the surface of described lower disc, and described rubber sleeve is bonded to each other with described step surface near the side in described water outlet duct.
Described projection is cased with rubber diaphragm, the lower surface of the upper surface of described rubber diaphragm and described lower disc fits, described projection offers groove, described rubber diaphragm embeds in described groove near the end in described water outlet duct, described rubber diaphragm upwardly extends inflection away from the end in described water outlet duct and constitutes annular groove, described annular groove has a T-shaped end, and the bottom of described diaphragm gland is provided with collar flange, and described collar flange has card and sets the limited step of described T-shaped end.
Described diaphragm body is provided with the balance pipe that the intake antrum with electromagnetic valve connects.
The upper end of described rubber sleeve raises up and at corresponding described water outlet duct place integrally formed with the L-type sealing ring in order to seal described water outlet duct, and described relief hole post inserts in the described water outlet duct on described diaphragm body after the L-type sealing ring on described rubber sleeve.
The end of described L-type sealing ring is embedded in described annular groove.
The diaphragm unit of a kind of electromagnetic valve, also includes band needle spring, and described band needle spring is set on described relief hole post, and the described top and bottom with needle spring are corresponding respectively to be supported on the lower surface and described rubber sleeve of described diaphragm gland.
After adopting said structure, the diaphragm unit of a kind of electromagnetic valve of this utility model, have the advantages that rubber sleeve part is embedded in the annular groove of relief hole post, when diaphragm body drives rubber sleeve to slide up and down along the relief hole post of diaphragm gland, rubber sleeve only meets the stroke slided up and down by the elastic deformation amount of self, eliminate the sliding friction between relief hole post, the upper surface of diaphragm body is the conical surface caved in gradually by its four circumferences center, decrease the contact area of rubber sleeve and the upper surface of diaphragm body, add the deformation stroke of rubber sleeve, ensure that rubber sleeve will not come off from diaphragm body or skid off from annular groove in deformation process, and affect the sealing function of rubber sleeve.Therefore, the diaphragm unit of a kind of electromagnetic valve of this utility model, it is possible to avoid the sliding friction between rubber sleeve and relief hole post, it is prevented that rubber sleeve abrasion deformation, extends the service life of diaphragm unit.
Further, described diaphragm body includes the upper disk, lower disc and the projection that are sequentially connected with up and down, it is formed with step surface between described upper disk and described lower disc, the lower surface of described rubber sleeve is bonded to each other with the surface of described lower disc, and described rubber sleeve is bonded to each other with described step surface near the side in described water outlet duct.So arranging, upper disk can be wrapped up by rubber sleeve completely, and enabling rubber sleeve to be fitted tightly over diaphragm, this is external, improves the sealing property of diaphragm unit further, and under the effect of hydraulic pressure, and rubber sleeve will not come off separation from diaphragm body.
Further, the upper end of described rubber sleeve raises up and at corresponding described water outlet duct place integrally formed with the L-type sealing ring in order to seal described water outlet duct, and the end of described L-type sealing ring is embedded in described annular groove.So arranging, the one end of rubber sleeve can be tightly bonded together with the relief hole post of diaphragm gland, and when diaphragm body moves up and down, it is ensured that this end of rubber sleeve will not skid off from the annular groove of relief hole post, it is ensured that the sealing property of rubber sleeve.
Further, this diaphragm unit also includes band needle spring, and described band needle spring is set on described relief hole post, and the described lower end with needle spring is supported on described rubber sleeve so that rubber sleeve fits together with diaphragm body more securely.
Accompanying drawing explanation
Fig. 1 is the diaphragm unit assembling schematic diagram with valve body of a kind of electromagnetic valve of this utility model；
Fig. 2 is the structural representation of diaphragm gland in this utility model (omitting relief hole post)；
Fig. 3 is the structural representation of diaphragm body in this utility model；
Fig. 4 is diaphragm gland and the assembling schematic diagram with needle spring, rubber sleeve in this utility model；
Fig. 5 is the enlarged diagram of A in Fig. 1.
In figure:
Diaphragm gland 1 relief hole post 11
Relief hole 111 pod apertures 12
Collar flange 13 limited step 131
Disk 21 on diaphragm body 2
Lower disc 22 projection 23
Fin 231 step surface 24
Water outlet duct 25 balance pipe 26
Rubber sleeve 3L RunddichtringO 31
End 311 rubber diaphragm 4 of L-type sealing ring
Annular groove 41T shape end 411
With the needle spring 5 pin 51 with needle spring
Water pressure balance cavity 6 valve body 7
Intake antrum 71 water inlet 711
Water chamber 72 outlet 721
Via 73
Detailed description of the invention
In order to the technical solution of the utility model is explained further, below by specific embodiment, the utility model is elaborated.
A kind of diaphragm unit of electromagnetic valve, as Figure 1-Figure 4, including diaphragm gland 1, diaphragm body 2, rubber sleeve 3, rubber diaphragm 4 and band needle spring 5, Fig. 1 is the installation form that this diaphragm unit is common, therefore present specification is mentioned " on " position relation of D score is as the criterion with shown in Fig. 1, diaphragm gland 1 is square lid, the bottom of diaphragm gland 1 is provided with relief hole post 11, diaphragm gland 1 offers the through hole for relief hole post 11 traverse, the sidewall of through hole is provided with ring-shaped step, the upper end of relief hole post 11 is the positioning end fastened with ring-shaped step, relief hole post 11 and diaphragm gland 1 are removably joined together with coordinating of positioning end by ring-shaped step.Have through pressing diaphragm in relief hole post 11 and cover the relief hole 111 of lower surface, water pressure balance cavity 6 is formed between diaphragm body 2 and diaphragm gland 1, being provided with in diaphragm gland 1 and connect with water pressure balance cavity 6 and the pod apertures 12 isolated with relief hole 111, pod apertures 12 is through the upper and lower surface of diaphragm gland 1.
As shown in Figure 3, diaphragm body 2 includes the upper disk 21, lower disc 22 and the projection 23 that are sequentially connected with up and down, it is formed with step surface 24 between upper disk 21 and lower disc 22, diaphragm body 2 offers the water outlet duct 25 through upper disk 21, lower disc 22 and projection 23, the upper surface of upper disk 21 is the conical surface caved in gradually by its four circumferences center, and projection 23 is provided with three fins 231 playing guide functions.
During the assembling of this diaphragm unit, as shown in fig. 4-5, rubber sleeve 3 is set in outside relief hole post 11, and the lower surface of rubber sleeve 3 is bonded to each other with the surface of lower disc 22, and rubber sleeve 3 is bonded to each other with step surface 24 near the side in water outlet duct 25.So arrange, upper disk 21 can be wrapped up by rubber sleeve 3 completely, makes rubber sleeve 3 can be fitted tightly over outside diaphragm body 2, improves the sealing property of this diaphragm unit further, and under the effect of hydraulic pressure, rubber sleeve 3 will not come off separation from diaphragm body 2.
The upper end of rubber sleeve 3 raises up and at corresponding water outlet duct 25 place integrally formed with the L-type sealing ring 31 in order to seal water outlet duct 25, and the relief hole post 11 of diaphragm gland 1 inserts in the water outlet duct 25 on diaphragm body 2 after the L-type sealing ring 31 on rubber sleeve 3.On the sidewall of relief hole post 11, the position of corresponding L-type sealing ring 31 offers annular groove (not marking in figure), and the end 311 of L-type sealing ring is embedded in annular groove.So arrange, the one end of rubber sleeve 3 can be tightly bonded together with the relief hole post 11 of diaphragm gland 1, and when diaphragm body 2 moves up and down, it is ensured that this end of rubber sleeve 3 will not skid off from the annular groove of relief hole post 11, it is ensured that the sealing property of rubber sleeve 3.
Projection 23 is cased with the rubber diaphragm 4 of disc-shaped, the lower surface of the upper surface of rubber diaphragm 4 and lower disc 22 fits, projection 23 offers groove (not marking in figure), rubber diaphragm 4 embeds in groove near the end in water outlet duct 25, rubber diaphragm 4 upwardly extends inflection away from the end in water outlet duct 25 and constitutes annular groove 41, annular groove 41 has a T-shaped end 411, the bottom of diaphragm gland 1 is provided with collar flange 13, the relief hole post 11 of diaphragm gland 1 and pod apertures 12 are respectively positioned on the inside of collar flange 13, collar flange 13 has card and sets the limited step 131 of T-shaped end 411.
Band needle spring 5 is set on relief hole post 11, and the top and bottom with needle spring 5 are corresponding respectively to be supported on the lower surface and rubber sleeve 3 of diaphragm gland 1.
Diaphragm unit is arranged in valve body 7, as shown in Figure 1 and Figure 5, the inner chamber of valve body 7 is separated into and is positioned at intake antrum 71 below diaphragm unit and water chamber 72, intake antrum 71 has the water inlet 711 at connection water source, water chamber 72 has outlet 721, via 73 it is formed with between intake antrum 71 and water chamber 72, diaphragm gland 1 is arranged on the top of diaphragm body 2, diaphragm body 2 is arranged on the top of via 73, and the lower disc 22 of diaphragm body 2 is seal against with via 73, diaphragm gland 1 and diaphragm body 2 from top to bottom set gradually, namely such relief hole 111 and water outlet duct 25 form the pressure release path of upper and lower through type, not only pressure release is effective, and simple in construction is prone to processing, the small volume of electromagnetic valve.
Additionally, diaphragm unit also cooperates with valve head (not shown) as the building block of electromagnetic valve, in this utility model, diaphragm unit is identical with the mounting structure of valve head with the diaphragm unit (patent No. is 201120106366.9) of a kind of impulse electromagnetic valve of Chinese utility model patent with the mounting structure of valve head: be provided with dynamic core assembly and pressure release mouth in valve head, pressure release mouth is arranged on the top of diaphragm gland 1 and contacts with the upper surface sealing of diaphragm gland 1, it is provided with drainage channel in pressure release mouth, dynamic core assembly moves up and down, thus the drainage channel being turned on and off on pressure release mouth, one end of drainage channel connects with the water side of pod apertures 12, the other end of drainage channel connects with relief hole 111.Namely pod apertures 12 communicates with water pressure balance cavity 6, communicates with the drainage channel of pressure release mouth, and relief hole 111 and water pressure balance cavity 6 are not communicated with, and pod apertures 12 and relief hole 111 are not communicated with.
Being additionally provided with the balance pipe 26 that the intake antrum 71 with electromagnetic valve connects on diaphragm body 2, water pressure balance cavity 6 is communicated with intake antrum 71 by balance pipe 26, and the pin 51 with needle spring is located in balance pipe 26.
When dynamic core assembly is removed the drainage channel opened on pressure release mouth, current in water pressure balance cavity 6 flow through the relief hole 111 on the pod apertures 12 on diaphragm gland 1, the drainage channel of pressure release mouth, diaphragm gland 1 and behind the water outlet duct 25 on diaphragm body 2 successively, flow out from the outlet 721 of valve body 7；Now the hydraulic pressure in intake antrum 71 is more than the hydraulic pressure in water pressure balance cavity 6, then under the effect of this pressure differential, diaphragm body 2 and rubber diaphragm 4 are along relief hole post 11 upward sliding on diaphragm gland 1, owing to the end of the L-type sealing ring 31 of rubber sleeve 3 is embedded in the annular groove of relief hole post 11, in the process moved on diaphragm body 2 and rubber diaphragm 4, cannot sliding in the end of the L-type sealing ring 31 being embedded in relief hole post 11, the L-type sealing ring 31 of the rubber sleeve 3 being set in outside diaphragm body 2 realizes the stroke moved on it by the elastic deformation stretched；Diaphragm body 2 and rubber diaphragm 4 rise, and intake antrum 71 connects with water chamber 72, and mass-flow flows out from the water inlet 711 of valve body 1, via 73 and outlet 721 successively, and a part of current enter in water pressure balance cavity 6 from balance pipe 26.
Otherwise, when dynamic core assembly moves down the drainage channel closed on pressure release mouth, hydraulic pressure in water pressure balance cavity 6 increases, balancing each other with the pressure in intake antrum 71, diaphragm body 2 and rubber diaphragm 4 are under the effect with needle spring 5, and diaphragm body 2 and rubber diaphragm 4 are along relief hole post 11 slide downward on diaphragm gland 1, rubber sleeve 3 returns to the original form, water hole 73 is sealed again, and the current of intake antrum 71 and water chamber 72 are cut off, thus reaching to block the purpose of mass-flow.
After adopting said structure, the diaphragm unit of a kind of electromagnetic valve of this utility model, have the advantages that L-type sealing ring 31 part of rubber sleeve 3 is embedded in the annular groove of relief hole post 11, when diaphragm body 2 drives rubber sleeve 3 to slide up and down along the relief hole post 11 of diaphragm gland 1, rubber sleeve 3 only meets the stroke slided up and down by the elastic deformation amount of self, eliminate the sliding friction between relief hole post 11, the surface of the upper disk 21 of diaphragm body 2 is the conical surface caved in gradually by its four circumferences center, decrease the contact area of rubber sleeve 3 and the upper disk of diaphragm body 2, add the deformation stroke of rubber sleeve 3, ensure that rubber sleeve 3 will not come off from diaphragm body 2 or skid off from annular groove in deformation process, and affect the sealing function of rubber sleeve 3.Therefore, the diaphragm unit of a kind of electromagnetic valve of this utility model, it is possible to avoid the sliding friction between rubber sleeve and relief hole post, it is prevented that rubber sleeve abrasion deformation, extends the service life of diaphragm unit.
Further, band needle spring 5 is set on relief hole post 11, and the lower end with needle spring 5 is supported on rubber sleeve 3 so that rubber sleeve 3 fits together with diaphragm body 2 more securely.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field is to its suitably change done or modifies, and all should be regarded as without departing from patent category of the present utility model.
Claims (9)
- null1. the diaphragm unit of an electromagnetic valve，Including diaphragm gland、Diaphragm body and rubber sleeve，The bottom of described diaphragm gland is provided with relief hole post，Have through described pressing diaphragm in described relief hole post and cover the relief hole of lower surface，Described diaphragm body offers the water outlet duct running through its upper and lower surface，The water chamber of described diaphragm body and electromagnetic valve is in sealing against，Described diaphragm body by can on remove open and move down the outlet closed on electromagnetic valve in the way of be resilient being flexibly connected with described diaphragm gland，Water pressure balance cavity is formed between described diaphragm body and described diaphragm gland，The lower surface of described rubber sleeve is fitted on the surface of described diaphragm body，Described relief hole post is through described rubber sleeve and inserts in the described water outlet duct on described diaphragm body，It is characterized in that: the sidewall of described relief hole post offers annular groove，Described rubber sleeve part is embedded in described annular groove，The upper surface of described diaphragm body is the conical surface caved in gradually by its four circumferences center.
- 2. the diaphragm unit of a kind of electromagnetic valve according to claim 1, it is characterized in that: be provided with in described diaphragm gland and connect with described water pressure balance cavity and the pod apertures isolated with described relief hole, described pod apertures is through the upper and lower surface of described diaphragm gland.
- 3. the diaphragm unit of a kind of electromagnetic valve according to claim 1, it is characterized in that: described diaphragm body includes the upper disk, lower disc and the projection that are sequentially connected with up and down, it is formed with step surface between described upper disk and described lower disc, described water outlet duct is through described upper disk, described lower disc and described projection, the surface of described upper disk is the conical surface caved in gradually by its four circumferences center, and the water chamber of described lower disc and electromagnetic valve is in sealing against.
- 4. the diaphragm unit of a kind of electromagnetic valve according to claim 3, it is characterised in that: the lower surface of described rubber sleeve is bonded to each other with the surface of described lower disc, and described rubber sleeve is bonded to each other with described step surface near the side in described water outlet duct.
- 5. the diaphragm unit of a kind of electromagnetic valve according to claim 3, it is characterized in that: described projection is cased with rubber diaphragm, the lower surface of the upper surface of described rubber diaphragm and described lower disc fits, described projection offers groove, described rubber diaphragm embeds in described groove near the end in described water outlet duct, described rubber diaphragm upwardly extends inflection away from the end in described water outlet duct and constitutes annular groove, described annular groove has a T-shaped end, the bottom of described diaphragm gland is provided with collar flange, described collar flange has card and sets the limited step of described T-shaped end.
- 6. the diaphragm unit of a kind of electromagnetic valve according to claim 1, it is characterised in that: described diaphragm body is provided with the balance pipe that the intake antrum with electromagnetic valve connects.
- 7. the diaphragm unit of a kind of electromagnetic valve according to claim 1, it is characterized in that: the upper end of described rubber sleeve raises up and at corresponding described water outlet duct place integrally formed with the L-type sealing ring in order to seal described water outlet duct, and described relief hole post inserts in the described water outlet duct on described diaphragm body after the L-type sealing ring on described rubber sleeve.
- 8. the diaphragm unit of a kind of electromagnetic valve according to claim 7, it is characterised in that: the end of described L-type sealing ring is embedded in described annular groove.
- 9. the diaphragm unit of a kind of electromagnetic valve according to claim 1, it is characterized in that: the diaphragm unit of a kind of electromagnetic valve, also include band needle spring, described band needle spring is set on described relief hole post, and the described top and bottom with needle spring are corresponding respectively to be supported on the lower surface and described rubber sleeve of described diaphragm gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620060121.XU CN205371695U (en) | 2016-01-21 | 2016-01-21 | Diaphragm assembly of solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620060121.XU CN205371695U (en) | 2016-01-21 | 2016-01-21 | Diaphragm assembly of solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205371695U true CN205371695U (en) | 2016-07-06 |
Family
ID=56274039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620060121.XU Active CN205371695U (en) | 2016-01-21 | 2016-01-21 | Diaphragm assembly of solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205371695U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620814A (en) * | 2017-09-26 | 2018-01-23 | 江烨 | Switch valve with temperature adjustment |
| CN111489918A (en) * | 2019-01-28 | 2020-08-04 | 株式会社鹭宫制作所 | Pressure switch |
-
2016
- 2016-01-21 CN CN201620060121.XU patent/CN205371695U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620814A (en) * | 2017-09-26 | 2018-01-23 | 江烨 | Switch valve with temperature adjustment |
| CN111489918A (en) * | 2019-01-28 | 2020-08-04 | 株式会社鹭宫制作所 | Pressure switch |
| CN111489918B (en) * | 2019-01-28 | 2022-04-19 | 株式会社鹭宫制作所 | Pressure switch |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |