CN208831767U - Valve mechanism - Google Patents
Valve mechanism Download PDFInfo
- Publication number
- CN208831767U CN208831767U CN201821368242.6U CN201821368242U CN208831767U CN 208831767 U CN208831767 U CN 208831767U CN 201821368242 U CN201821368242 U CN 201821368242U CN 208831767 U CN208831767 U CN 208831767U
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- movable axis
- sealing element
- valve body
- valve
- card slot
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Abstract
The utility model relates to a kind of valve mechanisms, comprising: outer valve, the inner valve body being slidably mounted in outer valve and the movable axis for successively wearing outer valve and inner valve body；Outer valve is separated into pressure chamber and to cavity by inner valve body；Movable axis moves reciprocatingly in pressure chamber and to cavity；Movable axis is equipped with the seal member with inner valve body sealing cooperation；Seal member realized with the reciprocating motion of movable axis pressure chamber with to cavity be connected to or cutting；Seal member includes the recessed card slot on movable axis and the sealing element that is mounted in card slot, and card slot is equipped with the bayonet of installation sealing element, and the size of bayonet is less than the size of sealing element.Above-mentioned valve mechanism, during movable axis moves back and forth, sealing element is not easy to be squeezed out or rushed by water to take off, to improve job stability.
Description
Technical field
The utility model relates to valve technology fields, more particularly to a kind of valve mechanism.
Background technique
In water control relief valve, it is often necessary to which the part of axial movement is set to control leading between two different chambers
Logical and isolation.And in order to guarantee leakproofness of the two chambers in state of isolation, traditional valve mechanism generally can be in axial shifting
Sealing ring is arranged on dynamic part.And part that sealing ring moves axially is easy to be squeezed out during moving back and forth or
It is de- by water punching.Therefore, it is necessary to improve to valve mechanism, the stability of sealing ring is improved.
Utility model content
Based on this, the utility model provides a kind of valve mechanism, with the movement of movable axis, realizes pressure chamber and to cavity
Connection or cutting.Wherein, the seal member with inner valve body sealing cooperation is equipped on movable axis.And the seal member includes recessed
Card slot on movable axis and the sealing element being mounted in card slot.And the card slot is equipped with the bayonet that size is less than sealing element,
Sealing element is clamped in card slot using the bayonet.Therefore, during movable axis moves back and forth, sealing element is not easy to be squeezed
Fall or rushed by water to take off, to improve job stability.
A kind of valve mechanism, comprising: outer valve, the inner valve body being slidably mounted in outer valve and successively wear outer valve
The movable axis of body and inner valve body；Outer valve is separated into pressure chamber and to cavity by inner valve body；
Movable axis moves reciprocatingly in pressure chamber and to cavity；Movable axis is equipped with the sealing with inner valve body sealing cooperation
Part；Seal member realized with the reciprocating motion of movable axis pressure chamber with to cavity be connected to or cutting；Seal member includes
The recessed card slot on movable axis and the sealing element being mounted in card slot, card slot are equipped with the bayonet of installation sealing element, the ruler of bayonet
The very little size less than sealing element.
Above-mentioned valve mechanism realizes pressure chamber and the connection or cutting to cavity with the movement of movable axis.Wherein, exist
Movable axis is equipped with the seal member with inner valve body sealing cooperation.And the seal member include the recessed card slot on movable axis and
The sealing element being mounted in card slot.And the card slot is equipped with the bayonet that size is less than sealing element, using the bayonet by sealing element card
Tightly in card slot.Therefore, during movable axis moves back and forth, sealing element is not easy to be squeezed out or rushed by water to take off, thus
Improve job stability.
Card slot is the swallow-tail form or C word of inner wide and outer narrow along the radial section of movable axis in one of the embodiments,
Shape.
Outer valve is equipped with dismountable capping in one of the embodiments,.First capping can be disassembled, then will
Inner valve body is installed in outer valve, reduces the difficulty of assembling.
The inner wall of outer valve is equipped with first step portion in one of the embodiments,；The outside of inner valve body is equipped with corresponding the
The second step portion of one stage portion.First step portion and second step portion are used to limit the active strokes of inner valve body.
Sealing element is O-ring seals in one of the embodiments,.
Movable axis is equipped with the dredging flow groove being axially arranged along movable axis in one of the embodiments,；Dredging flow groove is used for
Pressure chamber with play the role of water conservancy diversion when being connected to cavity.
The junction of inner valve body and movable axis is equipped with rounded corner in one of the embodiments,.Sealing on movable axis
When part is just touched with inner valve body, which can reduce inner valve body to sealing element resistance, reduce the probability that sealing element falls off.
Detailed description of the invention
Fig. 1 is the schematic diagram of the valve mechanism of an embodiment of the present invention；
Fig. 2 is the enlarged diagram of the part A of valve mechanism shown in FIG. 1；
Fig. 3 is the schematic diagram of another state of valve mechanism shown in FIG. 1.
The meaning of each label in attached drawing are as follows:
100- valve mechanism；
10- outer valve, 11- pressure chamber, 12- is to cavity, 13- capping, 14- first step portion；
20- inner valve body, 21- rounded corner, 22- second step portion；
30- movable axis, 31- seal member, 311- card slot, 312- sealing element, 32- dredging flow groove.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model
The understanding for opening content is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
It is the valve mechanism 100 of the embodiments of the present invention one in conjunction with Fig. 1 to Fig. 3.
As depicted in figs. 1 and 2, the valve mechanism 100 include: outer valve 10, the internal valve that is slidably mounted in outer valve 10
Body 20 and the movable axis 30 for successively wearing outer valve 10 Yu inner valve body 20.Outer valve 10 is separated into pressure chamber by inner valve body 20
11 and to cavity 12.Movable axis 30 moves reciprocatingly in pressure chamber 11 and to cavity 12.Movable axis 30 is equipped with close with inner valve body 20
Seal the seal member 31 of cooperation.Seal member 31 realizes pressure chamber 11 with the reciprocating motion of movable axis 30 and to cavity 12
Connection or cutting.Seal member 31 includes the recessed card slot 311 on movable axis 30 and the sealing element being mounted in card slot 311
312, card slot 311 is equipped with the bayonet 3111 of installation sealing element, and the size of bayonet 3111 is less than the size of sealing element 312.
As shown in Figure 1, in the present embodiment, outer valve 10 is additionally provided with dismountable capping in order to reduce the difficulty of assembling
13.First capping 13 can be disassembled, then inner valve body 20 is installed in outer valve 10, reach the difficulty for reducing assembling
Purpose.
As shown in Fig. 2, in the present embodiment, in order to preferably protect sealing element 312, the company of inner valve body 20 and movable axis 30
It meets place and is equipped with rounded corner 21.When the sealing element 312 on movable axis 30 is just touched with inner valve body 20, which can be reduced
Inner valve body 20 reduces the probability that sealing element 312 falls off to 312 resistance of sealing element.
In addition, in the present embodiment, the inner wall of outer valve 10 is equipped with first step portion 14.The outside of inner valve body 20 be equipped with pair
Answer the second step portion 22 in first step portion 14.First step portion 14 and second step portion 22 are used to limit the activity of inner valve body 20
Stroke.
As shown in Fig. 2, card slot 311 is the swallow-tail form of inner wide and outer narrow along the radial section of movable axis 30.In other implementations
In example, which is also possible to the C character form structure along the radial section of movable axis 30 for inner wide and outer narrow.
In the present embodiment, sealing element 312 is connected in the card slot 311 of swallow-tail form, and is blocked by bayonet 311.This is close
Sealing 41 is preferably O-ring seals.Sealing element 312 protrudes out to 0.4mm~1.5mm except bayonet 3111, for example, 0.4mm,
0.8mm, 1.0mm, 1.2mm or 1.4mm etc..
For the effect of lift-off seal, in other embodiments, the quantity of card slot 311 can be multiple and along movable axis 30
Axial distribution.And the quantity of sealing element 312 is also multiple and is arranged in a one-to-one correspondence with card slot 311.Multiple sealing elements 312 are set
It is equipped with the effect conducive to lift-off seal.
In addition, movable axis 30 is equipped with the aerial drainage 32 being axially arranged along movable axis.Dredging flow groove 32 is used in 11 He of pressure chamber
Play the role of water conservancy diversion when being connected to cavity 12.
In conjunction with shown in Fig. 1 and Fig. 3, above-mentioned valve mechanism 100, with the movement of movable axis 30, realize pressure chamber 11 with it is right
The connection or cutting of cavity 12.Wherein, the seal member 31 with the sealing cooperation of inner valve body 20 is equipped on movable axis 30.And this is close
Envelope component 31 includes the recessed card slot 311 on movable axis 30 and the sealing element 312 being mounted in card slot 311.And the card slot
311 are equipped with the bayonet 3111 that size is less than sealing element 312, and sealing element 312 is clamped in card slot 311 using the bayonet 3111.
Therefore, during movable axis 30 moves back and forth, sealing element 312 is not easy to be squeezed out or rushed by water to take off, to improve work
Make stability.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Above embodiments only express the preferred embodiment of the utility model, and the description thereof is more specific and detailed, but
It cannot be understood as the limitations to utility model patent range.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection scope of utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (7)
1. a kind of valve mechanism, it is characterised in that: include: outer valve, the inner valve body being slidably mounted in the outer valve and
Successively wear the movable axis of the outer valve Yu the inner valve body；The outer valve is separated into pressure chamber and right by the inner valve body
Cavity；
The movable axis is in the pressure chamber and described moves reciprocatingly to cavity；The movable axis is equipped with close with the inner valve body
Seal the seal member of cooperation；The seal member realizes the pressure chamber and described right with the reciprocating motion of the movable axis
The connection or cutting of cavity；The seal member includes the recessed card slot on the movable axis and is mounted in the card slot
Sealing element, the card slot are equipped with the bayonet for installing the sealing element, and the size of the bayonet is less than the size of the sealing element.
2. valve mechanism according to claim 1, which is characterized in that the card slot is along the radial section of the movable axis
For the swallow-tail form or C font of inner wide and outer narrow.
3. valve mechanism according to claim 1, which is characterized in that the outer valve is equipped with dismountable capping.
4. valve mechanism according to claim 1, which is characterized in that the inner wall of the outer valve is equipped with first step portion；
The outside of the inner valve body is equipped with the second step portion in the corresponding first step portion.
5. valve mechanism according to claim 1, which is characterized in that the sealing element is O-ring seals.
6. valve mechanism according to claim 1, which is characterized in that the movable axis is equipped with the axial direction along the movable axis
The dredging flow groove of setting；The dredging flow groove is connected to the pressure chamber and described to cavity.
7. valve mechanism according to claim 1, which is characterized in that the inner valve body is equipped with to be led to for what movable axis passed through
Hole, the through-hole are equipped with rounded corner close to the side of pressure chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821368242.6U CN208831767U (en) | 2018-08-23 | 2018-08-23 | Valve mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821368242.6U CN208831767U (en) | 2018-08-23 | 2018-08-23 | Valve mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208831767U true CN208831767U (en) | 2019-05-07 |
Family
ID=66310360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821368242.6U Active CN208831767U (en) | 2018-08-23 | 2018-08-23 | Valve mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208831767U (en) |
-
2018
- 2018-08-23 CN CN201821368242.6U patent/CN208831767U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |