CN207297332U - A kind of seal assembly of High voltage output pump - Google Patents
A kind of seal assembly of High voltage output pump Download PDFInfo
- Publication number
- CN207297332U CN207297332U CN201720984054.5U CN201720984054U CN207297332U CN 207297332 U CN207297332 U CN 207297332U CN 201720984054 U CN201720984054 U CN 201720984054U CN 207297332 U CN207297332 U CN 207297332U
- Authority
- CN
- China
- Prior art keywords
- high pressure
- pressure sealing
- seal assembly
- protheca
- rear enclosure
- 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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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model provides a kind of seal assembly of High voltage output pump, more particularly to high pressure pump technical field, including plunger bushing, pump head and seal assembly, the seal assembly is arranged between plunger bushing and pump head, the seal assembly includes high pressure sealing protheca, high pressure sealing rear enclosure and high pressure sealing steel bushing, the cross section of the high pressure sealing protheca and the high pressure sealing rear enclosure is concave, the high pressure sealing protheca be equipped with cavity with the high pressure sealing rear enclosure be equipped with cavity while be bonded to each other, the high pressure sealing steel bushing is arranged in the high pressure sealing protheca and the cavity of the high pressure sealing rear enclosure.The utility model can effectively ensure the seal between plunger bushing and pump head, avoid shortened equipment life caused by leakage.
Description
Technical field
The utility model belongs to high pressure pump technical field, and in particular to a kind of seal assembly of High voltage output pump.
Background technology
Seal assembly between the plunger bushing and pump head of existing High voltage output pump is an independent height pressure seal ring.But this
Structure, since height pressure seal ring easily deforms upon, causes leakage occurs at sealed interface, and due to the effect of highly pressurised liquid,
Easily to interface, impact is produced, shortens service life of equipment.
In view of above-mentioned deficiency, now needs a kind of seal assembly of High voltage output pump, can effectively ensure between plunger bushing and pump head
Seal, avoid shortened equipment life caused by leakage.
Utility model content
The purpose of this utility model provides a kind of seal assembly of High voltage output pump, can effectively ensure between plunger bushing and pump head
Seal, avoid shortened equipment life caused by leakage.
The utility model provides following technical solution：
A kind of seal assembly of High voltage output pump, including plunger bushing, pump head and seal assembly, the seal assembly are arranged on column
Between plug sleeve and pump head, the seal assembly includes high pressure sealing protheca, high pressure sealing rear enclosure and high pressure sealing steel bushing, the height
The cross section of means of press seals protheca and the high pressure sealing rear enclosure is concave, the high pressure sealing protheca be equipped with cavity one side with
The high pressure sealing rear enclosure be equipped with cavity one side be bonded to each other, the high pressure sealing steel bushing be arranged on the high pressure sealing protheca and
In the cavity of the high pressure sealing rear enclosure.
Preferably, it is additionally provided with high-pressure seal ring in the high pressure sealing steel bushing.
Preferably, the high-pressure seal ring includes rubber ring, and cylinder-packing has polytetrafluoroethylene (PTFE) outside the rubber ring.
Preferably, the high pressure sealing steel bushing uses hard alloy.
Preferably, the high pressure sealing protheca includes rubber ring, and cylinder-packing has polytetrafluoroethylene (PTFE) outside the rubber ring；It is described
High pressure sealing rear enclosure includes rubber ring, and cylinder-packing has polytetrafluoroethylene (PTFE) outside the rubber ring.
The beneficial effects of the utility model：
(1) the use of the new type is passed through by setting high pressure sealing steel bushing in high pressure sealing protheca and high pressure sealing rear enclosure
The supporting role of high pressure sealing steel bushing, avoids high pressure sealing protheca and the excessive deformation of high pressure sealing rear enclosure, caused by caused liquid
Shortened equipment life；
(2) the utility model is by the effect of high pressure sealing steel bushing, can by high pressure sealing protheca and high pressure sealing rear enclosure with
Interface smoothly combines, so as to improve leakproofness.
Brief description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form the limitation to the utility model.In the accompanying drawings：
Fig. 1 is the utility model structure diagram；
In figure mark for：1st, pump head；2nd, plunger bushing；3rd, seal assembly；31st, high pressure sealing protheca；32nd, after high pressure sealing
Set；33rd, high pressure sealing steel bushing；34th, high-pressure seal ring.
Embodiment
As shown in Figure 1, a kind of seal assembly of High voltage output pump, including plunger bushing 2, pump head 1 and seal assembly 3, sealing
Component 3 is arranged between plunger bushing 2 and pump head 1, and seal assembly 3 includes high pressure sealing protheca 31, high pressure sealing rear enclosure 32 and high pressure
The cross section of sealing steel bushing 33, high pressure sealing protheca 31 and high pressure sealing rear enclosure 32 is concave, and high pressure sealing protheca 31 is equipped with
Cavity with high pressure sealing rear enclosure 32 be equipped with cavity while be bonded to each other, high pressure sealing steel bushing 33 be arranged on high pressure sealing before
In set 31 and the cavity of high pressure sealing rear enclosure 32.By being set in high pressure sealing protheca 31 and the cavity of high pressure sealing rear enclosure 32
High pressure sealing steel bushing 33, by the supporting role of high pressure sealing steel bushing 33, after high pressure sealing protheca 31 and high pressure sealing can be avoided
32 excessive deformation, the leakage between caused plunger bushing 2 and pump head 1 are covered, so that avoid highly pressurised liquid from impacting interface, and then
Service using life is improved, and high pressure sealing protheca 31 and high pressure sealing rear enclosure 32 can be fitted in by high pressure sealing steel bushing 33
Interface, further improves sealing performance；
Wherein, high-pressure seal ring 34 is additionally provided with high pressure sealing steel bushing 33, impact of the fluid to high-pressure seal ring 34 can carry
The dynamics that high pressure sealing protheca 31 and high pressure sealing rear enclosure 32 are bonded with interface, and then improve sealing performance；And pass through high densification
The impact that seal 34 can buffer high pressure sealing protheca 31 and the middle part of high pressure sealing rear enclosure 32 is subject to, the longevity is used beneficial to device is improved
Life；High pressure sealing steel bushing 33 uses hard alloy, and Cemented Carbide Hardness is high, is unlikely to deform, improve device service life and can
By property；
Wherein, high-pressure seal ring 34 includes rubber ring, and cylinder-packing has polytetrafluoroethylene (PTFE) outside rubber ring；High pressure sealing protheca 31
Including rubber ring, cylinder-packing has polytetrafluoroethylene (PTFE) outside rubber ring；High pressure sealing rear enclosure 32 also includes rubber ring, is wrapped outside rubber ring
It is lined with polytetrafluoroethylene (PTFE)；Polytetrafluoroethylene (PTFE) is corrosion-resistant, this structure can improve the service life of device.
The advantages of the utility model：
By setting high pressure sealing steel bushing 33 in high pressure sealing protheca 31 and the cavity of high pressure sealing rear enclosure 32, pass through height
The supporting role of means of press seals steel bushing 33, can avoid the 32 excessive deformation of high pressure sealing protheca 31 and high pressure sealing rear enclosure, caused column
Leakage between plug sleeve 2 and pump head 1, so as to avoid highly pressurised liquid from impacting interface, and then improves service using life, and logical
Interface can be fitted in by high pressure sealing protheca 31 and high pressure sealing rear enclosure 32 by crossing high pressure sealing steel bushing 33, further improve sealing
Performance.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, although ginseng
The utility model is described in detail according to previous embodiment, for those skilled in the art, it still can be with
Modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on, should be included in this practicality
Within new protection domain.
Claims (5)
1. a kind of seal assembly of High voltage output pump, including plunger bushing, pump head and seal assembly, the seal assembly are arranged on plunger
Between set and pump head, it is characterised in that：The seal assembly includes high pressure sealing protheca, high pressure sealing rear enclosure and high pressure sealing steel
The cross section of set, the high pressure sealing protheca and the high pressure sealing rear enclosure is concave, and the high pressure sealing protheca is equipped with recessed
Chamber with the high pressure sealing rear enclosure be equipped with cavity while be bonded to each other, the high pressure sealing steel bushing is arranged on the high pressure
Seal in protheca and the cavity of the high pressure sealing rear enclosure.
A kind of 2. seal assembly of High voltage output pump according to claim 1, it is characterised in that：The high pressure sealing steel bushing
Inside it is additionally provided with high-pressure seal ring.
A kind of 3. seal assembly of High voltage output pump according to claim 2, it is characterised in that：The high-pressure seal ring bag
Rubber ring is included, cylinder-packing has polytetrafluoroethylene (PTFE) outside the rubber ring.
A kind of 4. seal assembly of High voltage output pump according to claim 1, it is characterised in that：The high pressure sealing steel bushing
Using hard alloy.
A kind of 5. seal assembly of High voltage output pump according to claim 1, it is characterised in that：The high pressure sealing protheca
Including rubber ring, cylinder-packing has polytetrafluoroethylene (PTFE) outside the rubber ring；The high pressure sealing rear enclosure includes rubber ring, the rubber
The exterior cylinder-packing of circle has polytetrafluoroethylene (PTFE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720984054.5U CN207297332U (en) | 2017-08-08 | 2017-08-08 | A kind of seal assembly of High voltage output pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720984054.5U CN207297332U (en) | 2017-08-08 | 2017-08-08 | A kind of seal assembly of High voltage output pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207297332U true CN207297332U (en) | 2018-05-01 |
Family
ID=62448943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720984054.5U Expired - Fee Related CN207297332U (en) | 2017-08-08 | 2017-08-08 | A kind of seal assembly of High voltage output pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207297332U (en) |
-
2017
- 2017-08-08 CN CN201720984054.5U patent/CN207297332U/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: 20180501 Termination date: 20200808 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |