CN205383072U - Plunger pump packing device - Google Patents
Plunger pump packing device Download PDFInfo
- Publication number
- CN205383072U CN205383072U CN201620206884.0U CN201620206884U CN205383072U CN 205383072 U CN205383072 U CN 205383072U CN 201620206884 U CN201620206884 U CN 201620206884U CN 205383072 U CN205383072 U CN 205383072U
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- CN
- China
- Prior art keywords
- packing
- plunger
- nut
- cloth
- displacement pump
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model relates to a plunger pump sealing technique field is a plunger pump packing device, including the pump body, packing nut and plunger, packing nut right side fixed mounting is in the pump body, and the inboard an organic whole of the left end of packing nut is equipped with the inner ring platform, and the left part suit of plunger forms the mounting groove between packing nut and the plunger in the inner ring platform, and the mounting groove is interior to have a left side to add cloth packing, the fine packing of butyl, right cloth packing and the packing seat circle of adding from a left side to right side fixed mounting in proper order. The utility model has the advantages of reasonable and compact structure, convenient to use, packing subassembly be tight driving disk root nut when slight impaired, and behind messenger's packing subassembly pressurized, the V type mouth that adds cloth packing and the fine packing of butyl opens, and the packing is organized to hug closely with the plunger face all the time and is closed when reciprocating motion is to the plunger to arriving and not changing packing subassembly continuation use, improve the plunger pump and reach its sealed and wearability under various severe operating modes, improve the rate of utilization, reduction change frequency reduces cost of maintenance.
Description
Technical field
This utility model relates to plunger displacement pump technical field of sealing technology, is a kind of plunger displacement pump packing unit.
Background technology
Hydraulic end of plunger pump is mainly made up of valve seat, valve, plunger and packing assembly.Seal, high pressure is the maximum feature of plunger displacement pump, and it uses environment also very severe (including the media such as pumping pumping cement mortar, drilling fluid, water, fracturing fluid, pressure break acid), and wherein the sealing of packing assembly and wearability are particularly important.Packing assembly occur damage time the damage of plungers pump plunger is very big, change one group of packing assembly waste time and energy and increase cost, the packing assembly that prior art uses is made up of hard plastic feed ring and soft rubber, wherein soft rubber holds O type, once abrasion will take a lot of pumped medium out of, and cause friction to damage plunger body, it is easily caused scrapping of plunger.
Summary of the invention
This utility model provides a kind of plunger displacement pump packing unit, overcome the deficiency of above-mentioned prior art, its plunger displacement pump packing unit that can effectively solve prior art use wears no resistance, once abrasion will take a lot of pumped medium out of, and cause friction to damage plunger body, and it is easily caused the problem scrapped of plunger.
The technical solution of the utility model is realized by following measures: a kind of plunger displacement pump packing unit, including the pump housing, packing nut and plunger, it is fixedly mounted in the pump housing on the right side of packing nut, interior land it is integrally formed with inside the left end of packing nut, the left part of plunger is sleeved in interior land, form mounting groove between packing nut and plunger, in mounting groove, be installed with that a left side adds cloth packing, the fine packing of fourth, the right side add cloth packing and packing seat ring from left to right successively.
Further optimization and/or improvements to foregoing invention technical scheme are presented herein below:
An above-mentioned left side adds and is set with oil ring on the plunger between cloth packing and interior land, and oil ring is provided with radial direction through hole, and packing nut is provided with the radial direction oil filler point being connected with radial direction through hole.
An above-mentioned left side adds cloth packing, the fine packing of fourth and the right side and adds and have V-type head on the left of cloth packing, and all there is V-type opening on right side.
An above-mentioned left side adds cloth packing, the fine packing of fourth and the right side and adds and have V-type head on the left of cloth packing, and all there is V-type opening on right side, and the right side of oil ring is provided with V-type opening.
Above-mentioned packing seat ring is provided with three road O mounting grooves, and rightmost side O mounting groove is positioned at packing nut right.
It is provided with annular groove inside above-mentioned interior land, in annular groove, is provided with sealing ring.
The above-mentioned pump housing and packing nut are threadably secured and link together.
This utility model reasonable and compact in structure, easy to use, tight Moving plate root nut during packing assembly slightly damaged, after making packing assembly pressurized, the V-type mouth adding cloth packing and the fine packing of fourth opens, when plunger moves reciprocatingly, packing group is close to conjunction with plunger face all the time, thus arrival is changed without packing assembly and is continuing with, improve plunger displacement pump and be issued to its sealing and wearability in various severe operating modes, improve utilization rate, reduce replacement frequency, reduce maintenance cost.
Accompanying drawing explanation
The master that accompanying drawing 1 is this utility model most preferred embodiment looks sectional structure schematic diagram.
Coding in accompanying drawing is respectively as follows: 1 for the pump housing, and 2 is packing nut, and 3 is plunger, and 4 is interior land, and 5 add cloth packing for a left side, 6 is the fine packing of fourth, and 7 add cloth packing for the right side, and 8 is packing seat ring, and 9 is oil ring, 10 is through hole, and 11 is radial direction oil filler point, and 12 is O mounting groove, and 13 is sealing ring.
Detailed description of the invention
This utility model, not by the restriction of following embodiment, can determine specific embodiment according to the technical solution of the utility model and practical situation.
In this utility model, for the ease of describing, the Butut mode that the description of the relative position relation of each parts is all according to Figure of description is described, as: the position relationship of upper and lower, left and right etc. is based on what the Butut direction of Figure of description was determined.
Below in conjunction with embodiment and accompanying drawing, this utility model is further described:
As shown in Figure 1, this plunger displacement pump packing unit includes the pump housing 1, packing nut 2 and plunger 3, it is fixedly mounted in the pump housing 1 on the right side of packing nut 2, interior land 4 it is integrally formed with inside the left end of packing nut 2, the left part of plunger 3 is sleeved in interior land 4, form mounting groove between packing nut 2 and plunger 3, in mounting groove, be installed with that a left side adds cloth packing 5, the fine packing 6 of fourth, the right side add cloth packing 7 and packing seat ring 8 from left to right successively.So, medium can being avoided to enter in plunger 3, mild wear fastening packing nut 2 allows packing assembly be close to conjunction with plunger 3 all the time, also just decreases abrasion, reduces the replacement cycle, strengthens the usability of packing assembly.
According to actual needs, above-mentioned plunger displacement pump packing unit can be made further optimization and/or improvements:
As shown in Figure 1, a left side adds and is set with oil ring 9 on the plunger 3 between cloth packing 5 and interior land 4, and oil ring 9 is provided with radial direction through hole 10, and packing nut 2 is provided with the radial direction oil filler point 11 being connected with through hole 10.Through hole 10 is oilhole, designs to meet the lubrication of plunger 3 and packing inter-module, and oil filler point 11 can fastest to reaching between packing assembly and plunger 3 to make lubricating oil pass through radially.
As shown in Figure 1, a left side adds cloth packing 5, the fine packing 6 of fourth and the right side and adds and have V-type head, right side all to have V-type opening on the left of cloth packing 7, and there is V-type opening on the right side of oil ring 9.Such that while reaching its seal request increase packing lubricating oil by property, reduce replacement frequency with this.
As shown in Figure 1, packing seat ring 8 is provided with three road O mounting grooves 12, and rightmost side O mounting groove 12 is positioned at packing nut 2 right.During use, packing seat ring 8 right part is connected with the pump housing 1, and rightmost side O mounting groove 12 is installed one O and sealed to reach first, and middle part adopts two seals, strengthens sealing, it is to avoid the sealing ring of first caused pumped medium from external leakage after losing efficacy.
As shown in Figure 1, it is provided with annular groove inside interior land 4, in annular groove, is provided with sealing ring 13.So, sealing effectiveness can better be played.
As shown in Figure 1, the pump housing 1 and packing nut 2 are threadably secured and link together.So, it is simple to installing/dismounting.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
The use procedure of this utility model most preferred embodiment: during use, is arranged on the outer rightmost side of plunger 3 by packing seat ring 8, plays connection, the effect sealed, and packing assembly is played a supporting role between packing nut 2 and the pump housing 1；Centre is that a left side adds cloth packing 5, the fine packing 6 of fourth, the right side adds the hard soft-combine of cloth packing 7 liang, the right side adds cloth packing 7 and tentatively clears up the impurity that plunger is subsidiary, cleaning plunger 3 surface, the fine packing of fourth 6 assists the right side to add cloth packing 7 to accomplish further cleaning, a left side adds cloth packing 5 and when the fine packing 6 of the middle fourth of support and plays cleaning action, the adjacent packing assembly of oil ring 4, the lubricating oil very first time is made to arrive packing group, protection packing assembly and plunger 3, tight Moving plate root nut 2 during packing assembly slightly damaged, after making packing assembly pressurized, a left side adds cloth packing 5, the fine packing 6 of fourth and the right V-type mouth adding cloth packing 7 open, when plunger 3 moves reciprocatingly, packing assembly is close to conjunction with plunger 3 face all the time, thus reaching to be changed without the effect that packing assembly is continuing with.
Claims (10)
1. a plunger displacement pump packing unit, it is characterized in that including the pump housing, packing nut and plunger, it is fixedly mounted in the pump housing on the right side of packing nut, interior land it is integrally formed with inside the left end of packing nut, the left part of plunger is sleeved in interior land, form mounting groove between packing nut and plunger, in mounting groove, be installed with that a left side adds cloth packing, the fine packing of fourth, the right side add cloth packing and packing seat ring from left to right successively.
2. plunger displacement pump packing unit according to claim 1 a, it is characterised in that left side adds and is set with oil ring on the plunger between cloth packing and interior land, and oil ring is provided with radial direction through hole, and packing nut is provided with the radial direction oil filler point being connected with radial direction through hole.
3. plunger displacement pump packing unit according to claim 1 a, it is characterised in that left side adds cloth packing, the fine packing of fourth and the right side and adds and have V-type head on the left of cloth packing, and all there is V-type opening on right side.
4. plunger displacement pump packing unit according to claim 2 a, it is characterised in that left side adds cloth packing, the fine packing of fourth and the right side and adds and have V-type head on the left of cloth packing, and all there is V-type opening on right side, and the right side of oil ring is provided with V-type opening.
5. the plunger displacement pump packing unit according to claim 1 or 2 or 3 or 4, it is characterised in that packing seat ring is provided with three road O mounting grooves, and rightmost side O mounting groove is positioned at packing nut right.
6. the plunger displacement pump packing unit according to claim 1 or 2 or 3 or 4, it is characterised in that be provided with annular groove inside interior land, be provided with sealing ring in annular groove.
7. plunger displacement pump packing unit according to claim 5, it is characterised in that be provided with annular groove inside interior land, be provided with sealing ring in annular groove.
8. the plunger displacement pump packing unit according to claim 1 or 2 or 3 or 4 or 7, it is characterised in that the pump housing and packing nut are threadably secured and link together.
9. plunger displacement pump packing unit according to claim 5, it is characterised in that the pump housing and packing nut are threadably secured and link together.
10. plunger displacement pump packing unit according to claim 6, it is characterised in that the pump housing and packing nut are threadably secured and link together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620206884.0U CN205383072U (en) | 2016-03-17 | 2016-03-17 | Plunger pump packing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620206884.0U CN205383072U (en) | 2016-03-17 | 2016-03-17 | Plunger pump packing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205383072U true CN205383072U (en) | 2016-07-13 |
Family
ID=56352381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620206884.0U Active CN205383072U (en) | 2016-03-17 | 2016-03-17 | Plunger pump packing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205383072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502981A (en) * | 2020-05-15 | 2020-08-07 | 美国杰瑞国际有限公司 | Novel plunger pump hydraulic end assembly structure |
-
2016
- 2016-03-17 CN CN201620206884.0U patent/CN205383072U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502981A (en) * | 2020-05-15 | 2020-08-07 | 美国杰瑞国际有限公司 | Novel plunger pump hydraulic end assembly structure |
| CN111502981B (en) * | 2020-05-15 | 2023-08-25 | 美国杰瑞国际有限公司 | Novel plunger pump fluid end assembly structure |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |