CN206268065U - A kind of device for being molded measuring pump sealing surface of seat - Google Patents
A kind of device for being molded measuring pump sealing surface of seat Download PDFInfo
- Publication number
- CN206268065U CN206268065U CN201621270229.8U CN201621270229U CN206268065U CN 206268065 U CN206268065 U CN 206268065U CN 201621270229 U CN201621270229 U CN 201621270229U CN 206268065 U CN206268065 U CN 206268065U
- Authority
- CN
- China
- Prior art keywords
- fixed cover
- ball sealer
- sealing surface
- measuring pump
- ball
- 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
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Abstract
The utility model discloses a kind of device for being molded measuring pump sealing surface of seat, including in being vertically arranged and be sheathed on the fixed cover of ball sealer outer wall, the force pipe that is plugged in fixed cover and contacts at ball sealer, the fixed cover contacts at valve base surface, and the force pipe vertically slides and is connected to fixed cover inwall.The utility model provide can on valve seat the sealing surface that rapid shaping and ball sealer coordinate a kind of device for being molded measuring pump sealing surface of seat.
Description
Technical field
The utility model is related to measuring pump field, more particularly to a kind of device for being molded measuring pump sealing surface of seat.
Background technology
Measuring pump is a kind of can to meet various strict technological process needs, the flow stepless-adjustments in the range of 0-100%
Section, a kind of special displacement pump for conveying liquid.Measuring pump is made up of drive stand part, pump head part, the part of motor three,
The unidirectional valve portion of import and export in metering pump head is often that measuring pump ensures the mostly important part of measuring accuracy.Reference picture
Shown in 3, unidirectional valve portion includes valve seat 6, ball sealer 5, fairlead 7, and sealing is formed when ball sealer 5 and valve seat 6 are contacted, and prevents
Liquid flows backwards；When ball sealer 5 in fairlead 7 upwards move and lift off a seat 6 when, fluid could pass through, it is achieved thereby that control
Fluid processed can only be toward the function of single direction flowing.But general check valve is after being manufactured, the inner ring of valve seat 6 is a circle
Seamed edge, is in linear contact lay between ball sealer 5 and valve seat 6, and the seal line formed after being contacted using both plays sealing effectiveness, but
The linear contact of sealing is not tight, makes sealing effectiveness undesirable, and leakage is susceptible in use.
Utility model content
The purpose of this utility model is to provide a kind of device for being molded measuring pump sealing surface of seat, using what is plugged
Fixed cover and force are managed, convenient after spacing to ball sealer to apply pressure to ball sealer by the pipe that exerts a force such that it is able in valve
The sealing surface that rapid shaping and ball sealer coordinate on seat.
Above-mentioned technical purpose of the present utility model technical scheme is that：One kind is measured for being molded
The device of pump valve seat sealing surface, including in being vertically arranged and be sheathed on the fixed cover of ball sealer outer wall, be plugged in fixed cover and support
The force pipe in ball sealer is touched, the fixed cover contacts at valve base surface, and the force pipe vertically slides and is connected to admittedly
Surely inwall is covered.
By using above-mentioned technical proposal, when needing to be molded the sealing surface being engaged with ball sealer on valve seat, first use
Be arranged for ball sealer by fixed cover, fixed cover is contacted at valve base surface, and then fixed cover is kept and valve base surface
It is perpendicular, then keep, in being vertically arranged, playing to ball sealer the conflict effect of ball sealer outer wall using fixed cover inwall
Position-limiting action, makes it not to be moved in forming process, then by the force pipe contradicted in ball sealer outer wall, because force
Pipe is plugged in fixed cover, so that the pipe that exerts a force can be moved along vertical direction during force in fixed cover, when by work
Make personnel and beat force pipe downwards, force pipe can apply one along the central axial downward pressure of ball sealer to ball sealer,
And then an extraneous impulsive force straight down is dispersed to its outer wall by ball sealer, so as to the edge to valve seat is pounded out and is sealed
The sealing sphere that ball outer wall is engaged, the sealing for realizing valve seat and ball sealer using the sealing sphere coordinates, better than directly utilization
The line style sealing surface of valve seat seamed edge and ball sealer is sealed, and makes can closely to match somebody with somebody between ball sealer outer wall and valve seat
Close, reach better seal；Meanwhile, force pipe plays a protective effect to ball sealer, it is to avoid can be right when external force is beaten
Ball sealer causes to damage, and enables ball sealer uniform force, and then the circle sealing sphere being molded also is consistent.
The utility model is further arranged to：The force pipe includes contacting at the protection board of ball sealer, edge protection edges of boards
The past lengthening extended away from sealing direction of bowl of edge covers, is connected to the force application board for lengthening set away from protection board one end, the lengthening set
Outer wall contacts at fixed cover inwall, and the lengthening set stretches out in fixed cover away from ball sealer one end.
By using above-mentioned technical proposal, the conflict effect using protection board and ball sealer outer wall exists to play to ball sealer
Beat the protective effect in forming process, enable external influence on force pipe to beat power dispersed outer to sealing ring
Wall；Using set is lengthened a guide and limit can be carried out to the entirety of the pipe that exerts a force, when staff applies pressure to lengthening set,
Lengthening set can move along vertical direction, it is to avoid asymmetric power is caused to ball sealer and makes the circle sealing formed on valve seat
Face exists different, and using the position-limiting action of fixed cover, when lengthening is enclosed within stress and moves down, lengthening set will not occur on axial direction
Deflection such that it is able to preferably force in ball sealer, make ball sealer uniform force, also just make ball sealer equal to the force of valve seat
It is even, so as to be molded better seal face.
The utility model is further arranged to：The force application board with diameter greater than fixed cover inner ring diameter, the force application board with
Fixed cover is formed with gap between ball sealer end face.
By using above-mentioned technical proposal, using the gap formed between force application board and fixed cover end face, so as to applying
When power plate applies a downward pressure, force application board can make certain displacement along vertical direction, and the gap distance
It is then the depth of the sealing surface after shaping, so as to the size to sealing surface is defined, once when force application board is contacted at admittedly
During the end face of fixed set, lengthening set cannot then decline again, also mean that and be molded required sealing surface.
The utility model is further arranged to：The force application board is removably connected to lengthening set away from ball sealer one end, institute
State vertically sliding in lengthening set and be connected with heavy ball, the heavy ball outer wall coordinates with set inwall is lengthened in gap.
It is in hollow setting using set is lengthened internal after force application board is removed by using above-mentioned technical proposal, makes position
In heavy ball therein can freely falling body from top to bottom, protection board lower section can be pointed to when protection board is dropped down onto under heavy ball
Ball sealer apply a lower pressure, and then allow ball sealer to valve seat be molded a sealing surface being engaged with its outer wall.
The utility model is further arranged to：The fixed cover is provided with flange near valve seat one end, and the flange is contacted at
Valve base surface.
By using above-mentioned technical proposal, the contact surface between fixed cover end face and valve base surface is increased using flange
Product, when fixed cover is sheathed on ball sealer and is placed into valve base surface, fixed cover can be steadily placed at valve base surface, it is to avoid
Deflection of the fixed cover because of certain height on generation axial direction in forming process, and then more preferable spacing work is played to ball sealer
With.
The utility model is further arranged to：The protection board is provided with recessed groove, and the recessed groove is fitted in outside ball sealer
Wall.
By using above-mentioned technical proposal, using being brought into close contact for recessed groove and ball sealer outer wall, make the stress of ball sealer
It is more balanced, the whole outer wall that passed over power is dispersed to ball sealer can be put by lengthening, so that ball sealer can be with
A circle inwall to valve seat can produce uniformly lower pressure, and then be consistent be molded on valve seat one whole circle sealing surface,
Play better seal effect.
In sum, the utility model has the advantages that：Coordinated using fixed cover and the grafting for lengthening set, and
It is in the protection board being brought into close contact to lengthen set one end and ball sealer outer wall, then by dismountable force application board, can be directly by working
Personnel apply an external force straight down to force application board, and then apply the power towards valve seat to ball sealer, so as in valve
The sealing surface that shaping one and ball sealer outer wall are adapted on the inner ring of seat；Also can be placed on lengthening the heavy ball in set to make freely
Falling bodies, so as to be molded a sealing surface to valve seat using ball sealer.
Brief description of the drawings
Fig. 1 is the sectional view that the present embodiment one is mainly used in embodying fixed cover and force pipe；
Fig. 2 is the sectional view that the present embodiment two is mainly used in embodying heavy ball；
Fig. 3 is the schematic diagram of prior art.
Reference：1st, fixed cover；11st, flange；2nd, force pipe；21st, protection board；211st, recessed groove；22nd, set is lengthened；23、
Force application board；3rd, heavy ball；4th, gap；5th, ball sealer；6th, valve seat；7th, fairlead；8th, bolt.
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment one：
A kind of device for being molded measuring pump sealing surface of seat, shown in reference picture 1, including one in hollow and pass through up and down
Logical cylindrical fixed cover 1, fixed cover 1 it is central axial in being vertically arranged；It is provided with and its edge on the lower surface of fixed cover 1
It is integrally formed and flange 11 annular in shape, the surface of flange 11 is in be horizontally disposed with, in use, the table of flange 11 and valve seat 6
Face is set in conflict；The inner ring of fixed cover 1 is sheathed on ball sealer 5, and the outer wall of ball sealer 5 contacts at the inwall of fixed cover 1.
A cylinder force pipe 2 is plugged with fixed cover 1, force pipe 2 includes a block protection plate 21 and along protection
The edge of plate 21 is integrally formed to lengthen set 22, lengthens set 22 in hollow setting and is plugged in the inner ring of fixed cover 1；Protection board 21 is set
There is a recessed groove in hemispherical face 211, the inwall of recessed groove 211 fits with the outer wall of ball sealer 5；Lengthen the center of set 22
It is axially central axial in being coaxially disposed with fixed cover 1；The upper end for lengthening set 22 stretches out in the upper surface of fixed cover 1；Lengthening
Set 22 is connected with one piece of force application board 23 in disk form away from one end of protection board 21, force application board 23 with diameter greater than fixed cover 1
Inner ring diameter, be formed with gap 4 between the lower surface of force application board 23 and the upper surface of fixed cover 1；Under extraneous active force, apply
The lower surface of power plate 23 is set with the upper surface of fixed cover 1 in conflict.
The operation principle of the present embodiment is：Fixed cover 1 is placed on the surface of valve seat 6, flange 11 is contradicted in valve seat 6
Upper surface, and the inner ring of fixed cover 1 is sheathed on ball sealer 5, and the outer wall and the inwall of fixed cover 1 for making ball sealer 5 set in conflict
Put；Meanwhile, the protection board 21 in fixed cover 1 fits in the outer wall of ball sealer 5, and lengthens set and 22 stretch out in the upper of fixed cover 1
End face, makes force application board 23 and fixed cover 1 form certain gap 4 between the end face of the one end of ball sealer 5, then by staff
Limit the position of fixed cover 1, at the same the center of force application board 23 is applied one it is downward beat power, using lengthening set 22 in fixation
The displacement effect vertically of 1 inwall is covered, protection board 21 can apply a downward pressure to ball sealer 5, and ball sealer 5 then can
Suffered impulsive force vertically is dispersed to its outer wall, so that the inner ring to valve seat 6 plays squeezing action again, makes valve
The inner ring of seat 6 can be formed with a sealing surface for being fitted with the outer wall of ball sealer 5 and being coordinated in sealing.
Embodiment two：
A kind of device for being molded measuring pump sealing surface of seat, shown in reference picture 2, the difference with embodiment one exists
In, the bolt 8 that 22 upper surfaces of set are threaded is equipped with and lengthened on force application board 23, make force application board 23 and lengthen set 22
Realize being detachably connected in upper surface；A heavy ball 3 is provided with lengthening in set 22, the quality of heavy ball 3 is larger, heavy ball 3
Outer wall and lengthen the inwall of set 22 and coordinate in gap 4, heavy ball 3 can set 22 is interior to make the movement of falling object lengthening so that
At forming seal face, the position of fixed cover 1 is limited by staff, heavy ball 3 is first promoted to the upper end for lengthening set 22, then
Its is freely put down, make heavy ball 3 ball sealer 5 below protection board 21 is applied under the motion of freely falling body one it is downward
Pressure, and then squeezing action is played to the inner ring of valve seat 6 by ball sealer 5, the inner ring of valve seat 6 is formed with one with sealing
The sealing surface that the outer wall of ball 5 fits and coordinates in sealing.
This specific embodiment is only that, to explanation of the present utility model, it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (6)
1. a kind of device for being molded measuring pump sealing surface of seat, it is characterized in that：Including in being vertically arranged and be sheathed on sealing
Ball（5）The fixed cover of outer wall（1）, be plugged in fixed cover（1）And contact at ball sealer（5）Force pipe（2）, the fixed cover
（1）Contact at valve seat（6）Surface, the force pipe（2）Vertically sliding is connected to fixed cover（1）Inwall.
2. a kind of device for being molded measuring pump sealing surface of seat according to claim 1, it is characterized in that：The force
Pipe（2）Including contacting at ball sealer（5）Protection board（21）, along protection board（21）Edge is toward away from ball sealer（5）Direction extends
Lengthening set（22）, be connected to lengthening set（22）Away from protection board（21）The force application board of one end（23）, it is described to lengthen set（22）Outward
Wall contacts at fixed cover（1）Inwall, the lengthening set（22）Stretch out in fixed cover（1）Away from ball sealer（5）One end.
3. a kind of device for being molded measuring pump sealing surface of seat according to claim 2, it is characterized in that：The force
Plate（23）With diameter greater than fixed cover（1）Inner ring diameter, the force application board（23）With fixed cover（1）Away from ball sealer（5）End face
Between be formed with gap（4）.
4. a kind of device for being molded measuring pump sealing surface of seat according to claim 2, it is characterized in that：The force
Plate（23）It is removably connected to lengthening set（22）Away from ball sealer（5）One end, the lengthening set（22）Inside vertically slide
It is connected with heavy ball（3）, the heavy ball（3）Outer wall covers with lengthening（22）Inwall coordinates in gap.
5. a kind of device for being molded measuring pump sealing surface of seat according to claim 1, it is characterized in that：The fixation
Set（1）Near valve seat（6）One end is provided with flange（11）, the flange（11）Contact at valve seat（6）Surface.
6. a kind of device for being molded measuring pump sealing surface of seat according to claim 2, it is characterized in that：The protection
Plate（21）It is provided with recessed groove（211）, the recessed groove（211）Fit in ball sealer（5）Outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270229.8U CN206268065U (en) | 2016-11-23 | 2016-11-23 | A kind of device for being molded measuring pump sealing surface of seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270229.8U CN206268065U (en) | 2016-11-23 | 2016-11-23 | A kind of device for being molded measuring pump sealing surface of seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206268065U true CN206268065U (en) | 2017-06-20 |
Family
ID=59041028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621270229.8U Expired - Fee Related CN206268065U (en) | 2016-11-23 | 2016-11-23 | A kind of device for being molded measuring pump sealing surface of seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206268065U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109304407A (en) * | 2018-12-04 | 2019-02-05 | 中国航发贵州红林航空动力控制科技有限公司 | A kind of valve base sealing annulus impact forming method |
-
2016
- 2016-11-23 CN CN201621270229.8U patent/CN206268065U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109304407A (en) * | 2018-12-04 | 2019-02-05 | 中国航发贵州红林航空动力控制科技有限公司 | A kind of valve base sealing annulus impact forming method |
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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: 20170620 Termination date: 20191123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |