CN206513541U - The high pressure conical surface sealing structure of pump - Google Patents
The high pressure conical surface sealing structure of pump Download PDFInfo
- Publication number
- CN206513541U CN206513541U CN201720181647.8U CN201720181647U CN206513541U CN 206513541 U CN206513541 U CN 206513541U CN 201720181647 U CN201720181647 U CN 201720181647U CN 206513541 U CN206513541 U CN 206513541U
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- China
- Prior art keywords
- steel ball
- conical surface
- high pressure
- mouth pad
- cylinder body
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- Details Of Reciprocating Pumps (AREA)
- Sealing Devices (AREA)
Abstract
The pressure adjusting structure of adjusting water outlet pressure is provided with a kind of high pressure conical surface sealing structure of pump, including cylinder body, cylinder body, the pressure adjusting structure includes differential plunger, mouth pad, steel ball, and mouth pad is provided with centre bore, and is fixed in the outlet passage of cylinder body；Steel ball is pressed on by pressure spring in the opening of the centre bore of mouth pad side, and differential plunger is arranged on the thimble that centre bore is provided through in mouth pad opposite side, differential plunger for jack-up steel ball；Taper surface is provided with the opening of the centre bore coordinated with the steel ball, steel ball is pressed on taper surface.The utility model provides a kind of high pressure conical surface sealing structure of pump, using spheroid and cone-shaped seal structure, improves sealing effectiveness, increases the service life.
Description
Technical field
The utility model belongs to cleaning machine technical field, refers in particular to a kind of high pressure conical surface sealing structure of pump in cleaning machine.
Background technology
Conventional sealing method in existing cleaning machine at the pressure regulating mechanism of pump is sealed using wedge angle, belongs to wire close
Envelope, with increasing for use time or cycle, the sealing of its wire will necessarily wear and tear, so as to reduce sealing effectiveness and service life.
The content of the invention
The purpose of this utility model is to provide a kind of high pressure conical surface sealing structure of pump, using spheroid and cone seal knot
Structure, improves sealing effectiveness, increases the service life.
What the purpose of this utility model was realized in：In a kind of high pressure conical surface sealing structure of pump, including cylinder body, cylinder body
Pressure adjusting structure provided with adjusting water outlet pressure, the pressure adjusting structure includes differential plunger, mouth pad, steel ball, and mouth pad is provided with centre bore,
And be fixed in the outlet passage of cylinder body；Steel ball is pressed on by pressure spring in the opening of the center port of mouth pad side, poor
Dynamic plunger is arranged on the thimble that centre bore is provided through in mouth pad opposite side, differential plunger for jack-up steel ball；With the steel ball
Taper surface is provided with the opening of the centre bore of cooperation, steel ball is pressed on taper surface.
It is preferred that, adjusting pressuring handle is equipped with outside the cylinder body, the elastic force of pressure spring is adjusted by adjusting pressuring handle.
It is preferred that, the mouth pad outer wall is provided with annular groove, annular groove and is combined with sealing ring.
It is preferred that, the thimble end is provided with the recess being adapted to steel ball profile.
It is preferred that, the differential plunger outer wall is provided with annular groove, annular groove and is combined with sealing ring and back-up ring, and back-up ring is compared
Sealing ring is closer to thimble side.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：
The sphere structure of steel ball is initially wire sealing with the taper surface of mouth pad, but with the increasing in use time or cycle
It is many, its wire sealing wear, cone seal is with abrasion, and the contact surface of itself and steel ball can be increased, and develop planar sealing；Cause
This, more can be smaller to flank wear, and still ensure that sealing intensity, so as to serve the purpose in enhancing life-span.
Brief description of the drawings
Fig. 1 is overall structure figure of the present utility model；
Fig. 2 is local structural graph of the present utility model；
Fig. 3 is partial exploded view of the present utility model.
Reference：1st, cylinder body；2nd, adjusting pressuring handle；3rd, water inlet；4th, pressure spring；5th, steel ball；6th, differential plunger；6a、
Annular groove；7th, Upper gasket；8th, lower gasket；9th, mouth pad；9a, centre bore；9b, taper surface；9c, annular groove；10th, plug；11st, seal
Circle；12nd, back-up ring；13rd, sealing ring；14th, thimble.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, referring to Fig. 1-3：
The pressure adjusting structure of adjusting water outlet pressure is provided with a kind of high pressure conical surface sealing structure of pump, including cylinder body 1, cylinder body 1,
The pressure adjusting structure includes differential plunger 6, mouth pad 9, steel ball 5, and mouth pad 9 is provided with centre bore 9a, and be fixed on cylinder body 1 go out current
In road；Steel ball 5 is pressed on by pressure spring 4 in the centre bore 9a of the side of mouthful pad 9 opening, and differential plunger 6 is arranged on mouthful pad 9
Opposite side, and it is provided through thimbles 14 of the centre bore 9a for jack-up steel ball 5；At the centre bore 9a coordinated with steel ball 5 opening
Provided with taper surface 9b, steel ball 5 is pressed on taper surface 9b, and the hardness of steel ball 5 is preferably higher than mouth pad 9.
As shown in Fig. 2 the principle of differential plunger 6 is as follows：When the pump is operated, water is entered through pump pressurized delivered by water inlet 3
To the two ends of differential plunger 6 cavity when, different (the end useful effect face of thimble 14 of effective active area at the two ends of differential plunger 6
Product is small), differential plunger 6 jack-up steel ball 5 under pressure differential effect, the now pressure differential at the two ends of differential plunger 6 and pressure spring 4
Elastic force balances each other；The discharge pressure of pump is can adjust by adjusting the elastic force of pressure spring 4.
Wherein, adjusting pressuring handle 2 is equipped with outside cylinder body 1, the elastic force of pressure spring 4 is adjusted by adjusting pressuring handle 2；In pressure spring
4 two ends are also respectively provided with Upper gasket 7 and lower gasket 8, and the side of lower gasket 8 sets projection to stretch into the center of pressure spring 4 and played
Positioning action, the opposite side of lower gasket 8 sets arc-shaped recess and the surface engagement of steel ball 5.
Wherein, the annular protrusion of supporting mouth pad 9 is set in outlet passage, and differential plunger 6 is arranged on annular protrusion opposite side
And afterbody is blocked spacing by plug 10；Mouth pad 9 outer wall is provided with annular groove 9c, annular groove 9c and is combined with sealing ring 11 to play
Sealing function.
Wherein, the end of thimble 14 is provided with the recess being adapted to the profile of steel ball 5；It is arranged such the contact of thimble 14 and steel ball 5
Area is big, reduces abrasion.
Wherein, the outer wall of differential plunger 6 is provided with annular groove 6a, annular groove 6a and is combined with sealing ring 13 and back-up ring 12, back-up ring
12 compare sealing ring 13 closer to the side of thimble 14；Because the cavity pressure of the side of 6 thimble of differential plunger 14 is small, therefore on annular groove 6a
Sealing ring 13 acted on by the direction extruding force of thimble 14, set back-up ring 12 sealing ring 13 can be played preferably support make
With the service life of extension sealing ring 13.
Above-described embodiment is only preferred embodiment of the present utility model, and protection model of the present utility model is not limited according to this
Enclose, therefore：All equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by protection of the present utility model
Within the scope of.
Claims (5)
1. the pressure regulation knot of adjusting water outlet pressure is provided with a kind of high pressure conical surface sealing structure of pump, including cylinder body (1), cylinder body (1)
Structure, it is characterised in that：The pressure adjusting structure includes differential plunger (6), mouth pad (9), steel ball (5), and mouth pad (9) is provided with centre bore
(9a), and be fixed in the outlet passage of cylinder body (1)；Steel ball (5) is pressed in mouth pad (9) side by pressure spring (4)
In the opening in heart hole (9a), differential plunger (6) is arranged on mouth pad (9) opposite side, and differential plunger is provided through centre bore on (6)
(9a) is used for the thimble (14) of jack-up steel ball (5)；Taper surface is provided with the opening of the centre bore (9a) coordinated with steel ball (5)
(9b), steel ball (5) is pressed on taper surface (9b).
2. the high pressure conical surface sealing structure of pump according to claim 1, it is characterised in that：Tune is equipped with outside the cylinder body (1)
Handle (2) is pressed, the elastic force of pressure spring (4) is adjusted by adjusting pressuring handle (2).
3. the high pressure conical surface sealing structure of pump according to claim 1, it is characterised in that：Mouth pad (9) outer wall is provided with
Sealing ring (11) is combined with annular groove (9c), annular groove (9c).
4. the high pressure conical surface sealing structure of pump according to claim 1, it is characterised in that：Thimble (14) end is provided with
The recess being adapted to steel ball (5) profile.
5. the high pressure conical surface sealing structure of pump according to claim 1, it is characterised in that：Differential plunger (6) outer wall
Provided with annular groove (6a), sealing ring (13) and back-up ring (12) are combined with annular groove (6a), back-up ring (12) compares sealing ring (13)
Closer to thimble (14) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720181647.8U CN206513541U (en) | 2017-02-27 | 2017-02-27 | The high pressure conical surface sealing structure of pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720181647.8U CN206513541U (en) | 2017-02-27 | 2017-02-27 | The high pressure conical surface sealing structure of pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206513541U true CN206513541U (en) | 2017-09-22 |
Family
ID=59868286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720181647.8U Active CN206513541U (en) | 2017-02-27 | 2017-02-27 | The high pressure conical surface sealing structure of pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206513541U (en) |
-
2017
- 2017-02-27 CN CN201720181647.8U patent/CN206513541U/en active Active
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