CN207777648U - A kind of modified form pneumatic throttle - Google Patents
A kind of modified form pneumatic throttle Download PDFInfo
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- CN207777648U CN207777648U CN201721853442.6U CN201721853442U CN207777648U CN 207777648 U CN207777648 U CN 207777648U CN 201721853442 U CN201721853442 U CN 201721853442U CN 207777648 U CN207777648 U CN 207777648U
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- valve body
- seal groove
- sealing ring
- valve
- wall
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Abstract
The utility model discloses a kind of modified form pneumatic throttles,Valve body and valve pocket are solved in assembling,First sealing ring is easy the problem of abjection valve pocket causes product gas leakage to be scrapped,Its key points of the technical solution are that a kind of modified form pneumatic throttle,Including valve body and valve pocket,The import of supplied gas inflow and the outlet of supplied gas outflow are offered on the valve body,The outlet is opened on the lateral wall of valve body,The both sides up and down that the valve outer wall is located at exit offer circumferential the first seal groove and the second seal groove respectively,It is embedded with the first sealing ring and the second sealing ring respectively in first seal groove and the second seal groove,The valve body, which is located above the first seal groove, is provided with hexagonal adjusting nut,The lower end of the hexagonal adjusting nut is provided with abutting block,The lower face for abutting block is formed with the bearing surface that the first sealing ring abjection valve body is abutted and limited with valve pocket,The first sealing ring can be avoided to be squeezed out on the outside of valve pocket in assembling.
Description
Technical field
The utility model is related to valve field, more particularly to a kind of modified form pneumatic throttle.
Background technology
Throttle valve is by change throttling section or chock length to control the valve of fluid flow.To increase throttle valve
Sealing performance, the applicant propose a kind of aerodynamic section of anti-gas-leak in the utility model of Authorization Notice No. CN204387341U
Flow valve, by the junction of valve body and valve pocket, the first sealing ring and the second sealing ring are set with enhance valve body and valve pocket it
Between leakproofness.
If Fig. 5 is the assembling schematic diagram of valve body 1 and valve pocket 2 in throttle valve, valve pocket 2 is pressed into valve body 1 by employee by tooling,
Due to being interference fit between the first sealing ring 14 and valve pocket 2, in assembling, between the inner wall of valve pocket 2 and the first sealing ring 14
Frictional force be easy the first sealing ring 14 squeezing out the outside of valve pocket 2, cause product gas leakage to be scrapped.
Utility model content
The purpose of this utility model is to provide a kind of modified form pneumatic throttle, can avoid the first sealing ring in assembling
It is squeezed out on the outside of valve pocket.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of modified form pneumatic throttle, including valve body and valve pocket offer the import of supplied gas inflow on the valve body
And the outlet of supplied gas outflow, the outlet are opened on the lateral wall of valve body, the valve outer wall is located at the upper of exit
Lower both sides offer circumferential the first seal groove and the second seal groove respectively, and first seal groove and the second seal groove are interior respectively
It is embedded with the first sealing ring and the second sealing ring, the valve body, which is located above the first seal groove, is provided with hexagonal adjusting nut, institute
The lower end for stating hexagonal adjusting nut is provided with abutting block, and the lower face for abutting block, which is formed with, to abut with valve pocket and limit first
Sealing ring deviates from the bearing surface of valve body..
By using above-mentioned technical proposal the lower face of block is abutted by abutting the design of block below hexagonal adjusting nut
Bearing surface is formed, during valve pocket is pressed into valve body, valve pocket is contacted with the first sealing ring and continued to move up, valve pocket and first
Friction between sealing ring has the trend for driving the first sealing ring abjection valve pocket, can block the first sealing in bearing surface at this time
Circle prevents the first sealing ring from deviating from valve pocket, after the upper end of valve pocket is abutted with bearing surface, that is, completes the assembling of valve body and valve pocket.
Preferably, the valve pocket is located at the guide surface for being formed with circular arc type at the front inner wall of assembly orientation.
By using above-mentioned technical proposal, by the design of guide surface, guide surface is first close with first during assembling
Seal contacts so that there are one progressive processes for the frictional force that the first sealing ring is subject to so that the first sealing ring is more not easy
Deviate from from valve pocket.
Preferably, the valve body is located at the cross-sectional diameter at the first seal groove is located at the second sealing more than the valve body
Cross-sectional diameter at slot, the valve pocket include with valve body be located at outer wall abuts at the first seal groove first connecting portion and with
Valve body is located at the second connecting portion that outer wall abuts at the second seal groove, by falling between the first connecting portion and second connecting portion
Angle transition.
By using above-mentioned technical proposal, outer wall at the first seal groove is located at valve body by first connecting portion and is abutted, the
Two interconnecting pieces are located at outer wall at the second seal groove with valve body and abut, and the cross-sectional diameter that valve body is located at the first seal groove is more than
The valve body is located at the cross-sectional diameter at the second seal groove, valve pocket in an assembling process, first connecting portion and the second sealing ring
It does not contact so that the second sealing ring will not be influenced by first connecting portion, by between first connecting portion and second connecting portion
Chamfered transition so that the frictional force that the second sealing ring is subject to is there are one progressive process so that the second sealing ring is not allowed more
Easily deviate from from the second seal groove.
Preferably, the lower section evagination that the valve body is located at the second seal groove is formed with cushion block, the valve pocket is completed
Its lower face is abutted with the upper surface of cushion block afterwards.
By using above-mentioned technical proposal, valve pocket first passes through cushion block during assembling and slight deformation occurs, at this time valve
The outer wall of the inner wall of set, the upper surface of cushion block and valve body can be formed between a hollow delta, and at the second sealing ring
Will not be contacted with valve sleeving inner wall in the delta, after the upper surface of valve pocket is abutted with confined planes, the lower face of valve pocket and
The upper surface of cushion block abuts the installation for realizing valve pocket, and the inner wall recovery of valve pocket at this time is abutted with the second sealing ring.
Preferably, the outer wall of the cushion block is the arcwall face gradually expanded outwardly along the assembly orientation of valve pocket.
By using above-mentioned technical proposal, by the design of arcwall face, arcwall face can be right during assembling for valve pocket
Valve pocket plays guiding role, keeps the assembling of valve pocket and valve body more convenient.
Preferably, the valve outer wall is located at the outer wall above cushion block inside contracts slot to contract formation, the valve pocket
End is provided with the embedded position-limit foot for inside contracting slot.
By using above-mentioned technical proposal, slot and the embedded limit angle for inside contracting slot are inside contracted by being designed with, position-limit foot
Lower face is abutted with the upper surface of cushion block, increases the contact area of valve pocket and cushion block so that after valve pocket is completed with valve body
Stability get a promotion, avoid valve pocket that the displacement of axial direction occurs on valve body.
Preferably, the valve outer wall offers outlet section, institute between the first seal groove and the second seal groove
State the gas outlet for offering on valve pocket and being connected to outlet section, the water of the centerline of the gas outlet and outlet in different location
On horizontal line.
By using above-mentioned technical proposal, by making the center line of gas outlet and the center line of outlet be not at same level
Line so that after air-flow enters outlet section from outlet, it can just be flowed out in valve pocket from gas outlet after steering, it can be by the stream of air-flow
Speed reduces, and enhances the restriction effect of throttle valve.
Preferably, first sealing ring and the second sealing ring are O-ring seal.
By using above-mentioned technical proposal, by being the design of O-ring seal, O by the first sealing ring and the second sealing ring
The outer surface of type sealing ring has cambered surface, and the installation of valve pocket can be made more laborsaving.
Preferably, it is described abut block and hexagonal adjusting nut be integrated setting and the outer diameter of hexagonal adjusting nut with abut
Block is identical.
By using above-mentioned technical proposal, setting and hexagonal adjusting nut are integrated with hexagonal adjusting nut by abutting block
Outer diameter with abut the identical design of block, so that the structural strength of abutting block is got a promotion, avoid abutting in an assembling process block by
It is damaged in relatively low hit by valve pocket of structural strength.
In conclusion the utility model has the advantages that：
1. by abutting the design of block, the lower face for abutting block is formed with and is abutted with valve pocket and to limit first close with being formed with
The bearing surface of valve body is deviate from seal, and in the assembling process of valve pocket and valve body, valve pocket contacts with the first sealing ring and continues up shifting
Dynamic, the friction between valve pocket and the first sealing ring has the trend for driving the first sealing ring abjection valve pocket, at this time bearing surface can
To block the first sealing ring, the first sealing ring is prevented to deviate from valve pocket；
2. by the design of cushion block and cushion block upper arc surface, during valve pocket and valve body are in assembling, valve sleeving inner wall,
Body wall and cushion block can form a hollow triangle section so that the second sealing ring will not be with valve pocket in an assembling process
Inner wall contacts, and will not be extruded.
Description of the drawings
Fig. 1 is the structural schematic diagram of throttle valve；
Fig. 2 is the schematic diagram of valve body；
Fig. 3 is the enlarged drawing at A in Fig. 1；
Fig. 4 is the enlarged drawing at B in Fig. 1；
Fig. 5 is the assembly orientation schematic diagram of valve body and valve pocket.
In figure, 1, valve body；11, it exports；12, import；13, the first seal groove；14, the first sealing ring；15, the second sealing
Slot；16, the second sealing ring；17, hexagonal adjusting nut；171, block is abutted；172, bearing surface；18, outlet section；19, cushion block；
191, arcwall face；10, slot is inside contracted；2, valve pocket；21, gas outlet；22, first connecting portion；221, guide surface；23, second connecting portion；
231, position-limit foot.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Figures 1 and 2, a kind of modified form pneumatic throttle, including valve body 1 and valve pocket 2,1 bottom of valve body open up gas supply
Stream flows into the import 12 of valve body 1, and the outlet 11 that valve body 1 is flowed out for air-flow is offered on the outer wall of 1 medium position of valve body.
Referring to Fig.1, Fig. 3 and Fig. 4, the both sides up and down that 1 outer wall of valve body is located at outlet 11 offer the first circumferential seal groove
13 and second seal groove 15, it is embedded with the sealing of the first sealing ring 14 and second respectively in the first seal groove 13 and the second seal groove 15
Circle 16, the first sealing ring 14 and the second sealing ring 16 are preferably O-ring seal in the present embodiment.
The top that valve body 1 is located at the first seal groove 13 is provided with hexagonal adjusting nut 17, hexagonal adjusting nut 17 and first
It is provided between seal groove 13 and abuts block 171, the lower face of abutting block 171, which is formed with, abuts with valve pocket 2 and limit valve pocket 2 along axis
To the past bearing surface 172 for abutting 171 1 side slip of block in direction.
Referring to Figures 1 and 2,1 outer wall of valve body offers outlet area between the first seal groove 13 and the second seal groove 15
Between 18, offer the gas outlet 21 being connected to outlet section 18 on valve pocket 2.Wherein, the center line of gas outlet 21 and outlet 11
Center line is not at the same horizontal position, and air-flow enters valve body 1 from import 12, from outlet 11 after 1 internal restriction of valve body
After being then turned into outlet section 18 valve pocket 2 is flowed out from gas outlet 21 again.
Referring to Fig.1, Fig. 3 and Fig. 4, valve pocket 2 include being located at first of outer wall abutting at the first seal groove 13 with valve body 1 to connect
Portion 22 and it is located at the second connecting portion 23 that outer wall abuts at the second seal groove 15 with valve body 1, first connecting portion 22 and second connects
Pass through chamfered transition between socket part 23.
Valve body 1 is located at the lower section of the second seal groove 15, and circumferentially evagination is formed with cushion block 19, and the outside of cushion block 19 is along valve pocket 2
Installation direction be formed with the arcwall face 191 gradually expanded outwardly, valve body 1 opens up between the second seal groove 15 and cushion block 19
Slot 10 is inside contracted, 23 end of second connecting portion is provided with the embedded position-limit foot 231 for inside contracting slot 10.
Assembling process：
Valve pocket 2 is packed on valve body 1 by external tooling, valve pocket 2 first passes through cushion block 19 and slight deformation occurs, valve pocket 2
The outer wall of inner wall, the upper surface of cushion block 19 and valve body 1 can be formed between a hollow delta, and at the second sealing ring 16
It will not be contacted with 2 inner wall of valve pocket in delta, after the first connecting portion 22 of valve pocket 2 is abutted with confined planes, position-limit foot
231 insertions inside contract the installation for being abutted with the upper surface of cushion block 19 in slot 10 and realizing valve pocket 2.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (9)
1. a kind of modified form pneumatic throttle, including valve body（1）And valve pocket（2）, which is characterized in that the valve body（1）On open up
There is the import that supplied gas flows into（12）And the outlet of supplied gas outflow（11）, the outlet（11）It is opened in valve body（1）It is outer
On side wall, the valve body（1）Outer wall is located at outlet（11）The both sides up and down at place offer the first circumferential seal groove respectively（13）
With the second seal groove（15）, first seal groove（13）With the second seal groove（15）It is inside embedded with the first sealing ring respectively（14）
With the second sealing ring（16）, the valve body（1）Positioned at the first seal groove（13）Top is provided with hexagonal adjusting nut（17）, described
Hexagonal adjusting nut（17）Lower end be provided with abutting block（171）, the abutting block（171）Lower face be formed with and valve pocket
（2）It abuts and limits the first sealing ring（14）Deviate from valve body（1）Bearing surface（172）.
2. a kind of modified form pneumatic throttle according to claim 1, which is characterized in that the valve pocket（2）Positioned at assembling
The guide surface of circular arc type is formed at the front inner wall in direction（221）.
3. a kind of modified form pneumatic throttle according to claim 1, which is characterized in that the valve body（1）Positioned at first
Seal groove（13）The cross-sectional diameter at place is more than the valve body（1）Positioned at the second seal groove（15）The cross-sectional diameter at place, it is described
Valve pocket（2）Including with valve body（1）Positioned at the first seal groove（13）Locate the first connecting portion that outer wall abuts（22）And and valve body（1）
Positioned at the second seal groove（15）Locate the second connecting portion that outer wall abuts（23）, the first connecting portion（22）And second connecting portion
（23）Between pass through chamfered transition.
4. a kind of modified form pneumatic throttle according to claim 3, which is characterized in that the valve body（1）Positioned at second
Seal groove（15）Lower section evagination be formed with cushion block（19）, the valve pocket（2）Its lower face and cushion block after being completed（19）'s
Upper surface abuts.
5. a kind of modified form pneumatic throttle according to claim 4, which is characterized in that the cushion block（19）Outer wall edge
Valve pocket（2）Assembly orientation gradually expand outwardly to form the arcwall face for facilitating installation（191）.
6. a kind of modified form pneumatic throttle according to claim 5, which is characterized in that the valve body（1）Outer wall is located at
Second seal groove（15）The wall thickness of side wall at opening lower section is less than the valve body（1）Outer wall is located at the second seal groove（15）Opening
The wall thickness of side wall at top, the second connecting portion（23）Far from first connecting portion（22）End in convex into and valve body（1）
The positive stop hook abutted positioned at the second sealing channel opening lower sidewalls.
7. a kind of modified form pneumatic throttle according to claim 1, which is characterized in that the valve body（1）Outer wall is located at
First seal groove（13）With the second seal groove（15）Between offer outlet section（18）, the valve pocket（2）On offer and go out
Gas section（18）The gas outlet of connection（21）, the gas outlet（21）With outlet（11）Centerline different location level
On line.
8. a kind of modified form pneumatic throttle according to claim 1, which is characterized in that first sealing ring（14）With
Second sealing ring（16）It is O-ring seal.
9. a kind of modified form pneumatic throttle according to claim 1, which is characterized in that the abutting block（171）With six
Angle adjusting nut（17）It is integrated setting and hexagonal adjusting nut（17）Outer diameter with abut block（171）It is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721853442.6U CN207777648U (en) | 2017-12-26 | 2017-12-26 | A kind of modified form pneumatic throttle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721853442.6U CN207777648U (en) | 2017-12-26 | 2017-12-26 | A kind of modified form pneumatic throttle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207777648U true CN207777648U (en) | 2018-08-28 |
Family
ID=63224617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721853442.6U Active CN207777648U (en) | 2017-12-26 | 2017-12-26 | A kind of modified form pneumatic throttle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207777648U (en) |
-
2017
- 2017-12-26 CN CN201721853442.6U patent/CN207777648U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |