CN208634428U - A kind of seal assembly and hydraulic control valve - Google Patents
A kind of seal assembly and hydraulic control valve Download PDFInfo
- Publication number
- CN208634428U CN208634428U CN201821014836.7U CN201821014836U CN208634428U CN 208634428 U CN208634428 U CN 208634428U CN 201821014836 U CN201821014836 U CN 201821014836U CN 208634428 U CN208634428 U CN 208634428U
- Authority
- CN
- China
- Prior art keywords
- rubber ring
- sealing
- ring
- hydraulic control
- seal assembly
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 82
- 229920001971 elastomer Polymers 0.000 claims abstract description 77
- 229920002943 EPDM rubber Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model discloses seal assemblies and hydraulic control valve, are related to the field of valve body technology.Seal assembly provided by the utility model includes rubber ring and sealing ring, and the rubber ring is for being mounted on end-cap assembly；The sealing ring has the sealing surface cooperated with the rubber ring for being mounted on valve body, the sealing ring, and the sealing surface is tilted relative to the surface of the rubber ring.The utility model additionally provides a kind of hydraulic control valve including seal assembly.Seal assembly and hydraulic control valve provided by the utility model can make to seal in place between the end-cap assembly of hydraulic control valve and valve body, and the phenomenon that leak will not occur in long-time service.
Description
Technical field
The utility model relates to the fields of valve body technology, in particular to a kind of seal assembly and hydraulic control valve.
Background technique
In existing hydraulic control valve, sealing between end-cap assembly and valve body is generallyd use on rubber ring and valve body
Hollows cooperation, to realize sealing.But in bigbore hydraulic control valve, since the flow in valve body is big, to end cap group
The active force that part generates is larger, and rubber ring and the area of the fillet face contact on valve body are smaller, exists and seals not in place, Huo Zhe
Lead to seal failure in long-time service, leak or other hidden danger occurs.
Therefore, a kind of seal assembly is designed, can be made to seal between the end-cap assembly of hydraulic control valve and valve body in place, it is long
The phenomenon that leak will not occur in phase use, this is a technical problem to be solved urgently.
Utility model content
The purpose of this utility model is to provide a kind of seal assembly and hydraulic control valves, can make the end of hydraulic control valve
It is sealed between cap assemblies and valve body in place, the phenomenon that leak will not occur in long-time service.
The first technical solution provided by the utility model:
A kind of seal assembly includes:
Rubber ring, the rubber ring is for being mounted on end-cap assembly；
Sealing ring, for the sealing ring for being mounted on valve body, the sealing ring is close with cooperating with the rubber ring
Cover, the sealing surface are tilted relative to the surface of the rubber ring.
Further, the range size for the angle that the surface of the sealing surface and the rubber ring is formed is 3 ° to 8 °.
Further, the angular dimension that the surface of the sealing surface and the rubber ring is formed is 5 °.
Further, the width of the sealing surface is the one third of the width of the rubber ring to half.
Further, the rubber ring is made of ethylene propylene diene monomer (EPDM) material.
Further, the sealing ring is made of metal material.
Second of technical solution provided by the utility model:
A kind of hydraulic control valve includes end-cap assembly and valve body, and the hydraulic control valve further includes the first technical solution institute
The seal assembly stated, the end-cap assembly lid close on the valve body, and the rubber ring is mounted on the end-cap assembly, described
Sealing ring is mounted on the valve body, the surface engagement of the sealing surface and the rubber ring.
Further, the end-cap assembly includes valve deck, spring, tabletting, diaphragm and intermediate, the valve deck, the bullet
Spring, the tabletting, the diaphragm and the intermediate are set gradually from top to bottom, the one of the separate diaphragm on the intermediate
Side offers annular groove, and the rubber ring is mounted in the annular groove.
Further, the depth of the annular groove is equal to the thickness of the rubber ring.
Further, the end-cap assembly further includes sealing clamp, and the sealing clamp setting is separate in the intermediate
The side of the diaphragm and the rubber ring is pressed in the annular groove, between the sealing clamp and the intermediate
It is connected using screw.
Compared with prior art, the beneficial effect of seal assembly and hydraulic control valve provided by the utility model is:
The rubber ring is mounted on end-cap assembly, and the sealing ring is mounted on valve body, and the sealing ring has and institute
The sealing surface of rubber ring cooperation is stated, the sealing surface is tilted relative to the surface of the rubber ring, can make hydraulic control valve
It is sealed between end-cap assembly and valve body in place, the phenomenon that leak will not occur in long-time service.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as.For those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the hydraulic control valve that the embodiments of the present invention provide.
Fig. 2 is the enlarged structure schematic diagram of part A in Fig. 1.
Icon: 100- hydraulic control valve；110- valve body；120- valve seat；130- shaft；140- valve deck；150- spring；
160- tabletting；170- diaphragm；180- intermediate；190- sealing clamp；200- rubber ring；210- sealing ring.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, it is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be understood that term " on ", "lower", "inner", "outside", "left", "right" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship that the orientation or positional relationship or those skilled in the art usually put usually understand, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, " setting ",
Terms such as " connections " shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or one
Ground connection；It can be mechanical connection, be also possible to be electrically connected；Can be and be directly connected to, can also by between intermediary in succession
It connects, can be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail.
Fig. 1 and Fig. 2 are please referred to, a kind of hydraulic control valve 100 is present embodiments provided, hydraulic control valve 100 includes end cap
Component, valve body 110, valve seat 120, shaft 130 and seal assembly.
Wherein, end-cap assembly includes valve deck 140, spring 150, tabletting 160, diaphragm 170, sealing clamp 190 and intermediate
180, valve deck 140, spring 150, tabletting 160, diaphragm 170 and intermediate 180 are set gradually from top to bottom.Spring 150 is clamped in
Between valve deck 140 and tabletting 160, tabletting 160 is used to for diaphragm 170 being pressed on the upper surface of intermediate 180.
Seal assembly is clamped between intermediate 180 and valve body 110.Wherein, seal assembly includes rubber ring 200 and sealing
Ring 210.Rubber ring 200 is for being mounted on end-cap assembly；Sealing ring 210 is for being mounted on valve body 110, specifically, sealing
Ring 210 is mounted on the inside of valve body 110 by screw.Sealing ring 210 has the sealing surface cooperated with rubber ring 200, sealing surface
Surface relative to rubber ring 200 tilts.
Side on intermediate 180 far from diaphragm 170 offers annular groove, and rubber ring 200 is mounted on annular groove
It is interior.Sealing clamp 190 is arranged in side of the intermediate 180 far from diaphragm 170 and rubber ring 200 is pressed in annular groove,
It is connected between sealing clamp 190 and intermediate 180 using screw.
Valve seat 120 is arranged in side of the sealing clamp 190 far from intermediate 180 and is located at the centre bit of sealing ring 210
It sets.Axis hole is offered on valve deck 140, shaft 130 is mounted in axis hole, moreover, shaft 130 sequentially passes through spring 150, tabletting
160, diaphragm 170, intermediate 180, sealing clamp 190 and valve seat 120.
Sealing ring 210 has the sealing surface cooperated with rubber ring 200, and sealing surface is tilted relative to the surface of rubber ring 200,
And sealing surface from inboard to outside is gradually distance from rubber ring 200.In this way, being fitted close in sealing ring 210 and rubber ring 200
Afterwards, the decrement of 200 inside of rubber ring is greater than the decrement in 200 outside of rubber ring, to make sealing ring 210 and rubber ring 200
Between sealing effect more preferably.
The range size a for the angle that the surface of sealing surface and rubber ring 200 is formed can be 3 ° to 8 °.Preferably, it seals
The angular dimension a that face and the surface of rubber ring 200 are formed is 5 °, after cooperating sealing ring 210 and rubber ring 200, rubber ring 200
The decrement of inside is greater than the decrement in 200 outside of rubber ring, so that the sealing between rubber ring 200 and sealing ring 210 be made to imitate
Fruit is more preferably.
In other embodiments, the inclined direction of sealing surface and angle can also have other selections, if equipment needs rubber
The decrement in 200 outside of cushion rubber is greater than the decrement of 200 inside of rubber ring, then the outside that the sealing surface of sealing ring 210 is arranged is high
In the inside of sealing surface, inclined direction and shown in Fig. 2 contrary.
The width of sealing surface is the one third of the width of rubber ring 200 to half and sealing face contact is in rubber
The outside of circle 200, the inside of rubber ring 200 is contacted with sealing clamp 190.That is, the setting of sealing clamp 190 is sealing
The center of ring 210.
Rubber ring 200 is mounted in the annular groove of intermediate 180, it is preferable that the depth of annular groove is equal to rubber ring
200 thickness, the width of annular groove are equal to the width of rubber ring 200.In this way, rubber ring 200 can be stably installed at ring
In connected in star, be conducive to the positioning of rubber ring 200, be also beneficial to improve the sealing between intermediate 180 and rubber ring 200 and imitate
Fruit.
Rubber ring 200 is made of ethylene propylene diene monomer (EPDM) material.Sealing ring 210 is made of metal material.Sealing ring 210
Hardness it is larger, can guarantee that rubber ring 200 generates enough decrements, guarantee sealing effect.
It is easily understood that seal assembly provided in this embodiment can be not only used in hydraulic control valve 100, may be used also
To apply in the structure that other needs seal, such as water pump etc..
Seal assembly and hydraulic control valve 100 provided in this embodiment the utility model has the advantages that rubber ring 200 is mounted on end cap
On component, sealing ring 210 is mounted on valve body 110, and sealing ring 210 has the sealing surface cooperated with rubber ring 200, sealing surface
Surface relative to rubber ring 200 tilts, and after the surface engagement of sealing surface and rubber ring 200, can increase sealing surface and rubber
The contact area on 200 surface of cushion rubber makes to seal in place between the end-cap assembly of hydraulic control valve 100 and valve body 110, make for a long time
With the phenomenon that leak will not occur.
In addition, using above-mentioned seal assembly, it can be in entire casting engineering to the position for being easy to produce expansion and deformation
More rubber decrements, the position that is unlikely to deform or will not deform then retains less rubber decrement, to reduce operation
Torque.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of seal assembly, which is characterized in that the seal assembly includes:
Rubber ring (200), the rubber ring (200) is for being mounted on end-cap assembly；
Sealing ring (210), for being mounted on valve body (110), the sealing ring (210) has and institute the sealing ring (210)
The sealing surface of rubber ring (200) cooperation is stated, the sealing surface is tilted relative to the surface of the rubber ring (200).
2. seal assembly according to claim 1, which is characterized in that the table of the sealing surface and the rubber ring (200)
The range size for the angle that face is formed is 3 ° to 8 °.
3. seal assembly according to claim 2, which is characterized in that the table of the sealing surface and the rubber ring (200)
The angular dimension that face is formed is 5 °.
4. seal assembly according to claim 1, which is characterized in that the width of the sealing surface is the rubber ring
(200) one third of width is to half.
5. seal assembly according to claim 1, which is characterized in that the rubber ring (200) uses ethylene propylene diene rubber
Material is made.
6. seal assembly according to claim 1, which is characterized in that the sealing ring (210) is made of metal material.
7. a kind of hydraulic control valve, including end-cap assembly and valve body (110), which is characterized in that the hydraulic control valve further includes
Seal assembly as claimed in any one of claims 1 to 6, the end-cap assembly lid close the rubber ring on the valve body (110)
(200) it is mounted on the end-cap assembly, the sealing ring (210) is mounted on the valve body (110), the sealing surface and institute
State the surface engagement of rubber ring (200).
8. hydraulic control valve according to claim 7, which is characterized in that the end-cap assembly includes valve deck (140), spring
(150), tabletting (160), diaphragm (170) and intermediate (180), the valve deck (140), the spring (150), the tabletting
(160), the diaphragm (170) and the intermediate (180) are set gradually from top to bottom, far from institute on the intermediate (180)
The side for stating diaphragm (170) offers annular groove, and the rubber ring (200) is mounted in the annular groove.
9. hydraulic control valve according to claim 8, which is characterized in that the depth of the annular groove is equal to the rubber
Enclose the thickness of (200).
10. hydraulic control valve according to claim 8, which is characterized in that the end-cap assembly further includes sealing clamp
(190), the sealing clamp (190) setting is in the side of the intermediate (180) far from the diaphragm (170) and will be described
Rubber ring (200) is pressed in the annular groove, and screw is used between the sealing clamp (190) and the intermediate (180)
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821014836.7U CN208634428U (en) | 2018-06-28 | 2018-06-28 | A kind of seal assembly and hydraulic control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821014836.7U CN208634428U (en) | 2018-06-28 | 2018-06-28 | A kind of seal assembly and hydraulic control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208634428U true CN208634428U (en) | 2019-03-22 |
Family
ID=65736817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821014836.7U Expired - Fee Related CN208634428U (en) | 2018-06-28 | 2018-06-28 | A kind of seal assembly and hydraulic control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208634428U (en) |
-
2018
- 2018-06-28 CN CN201821014836.7U patent/CN208634428U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 |