CN202468188U - Fluid end structure of high pressure plunger pump - Google Patents
Fluid end structure of high pressure plunger pump Download PDFInfo
- Publication number
- CN202468188U CN202468188U CN2011205408413U CN201120540841U CN202468188U CN 202468188 U CN202468188 U CN 202468188U CN 2011205408413 U CN2011205408413 U CN 2011205408413U CN 201120540841 U CN201120540841 U CN 201120540841U CN 202468188 U CN202468188 U CN 202468188U
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- CN
- China
- Prior art keywords
- stuffing box
- ring
- plunger
- valve group
- end structure
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- 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 fluid end structure of a high pressure plunger pump. The fluid end structure of the high pressure plunger pump comprises a pump head used for being connected with a main pump substrate and a liquid inlet and outlet valve group. The liquid inlet and outlet valve group is disposed on the other side of the pump head opposite to the main pump substrate. The other side of the liquid inlet and outlet valve group is provided with a stuffing box and a stuffing box press block in sequence. The stuffing box and the stuffing box press block are provided with coaxial center holes and a plunger penetrates through the center holes of the stuffing box and the stuffing box press block in sequence. The tail end of the plunger is provided with a locking nut. A stuffing box double-screw bolt is disposed between the pump head and the stuffing box press block, the stuffing box press block is fixedly connected with the pump head through the stuffing box double-screw bolt which fixes the stuffing box and the liquid inlet and outlet valve group between the pump head and the stuffing box press block. By means of the modular construction design, the fluid end structure of the high pressure plunger pump enables the liquid inlet and outlet valve group and a sealing part on the plunger to be replaced without dismounting the pump head and is quick and convenient.
Description
Technical field
The utility model relates to a kind of high-pressure plunger pump structure, relates in particular to a kind of fluid end structure of high-pressure plunger pump.
Background technique
At present, high pressure, ultrahigh pressure plunger pump are widely used in fields such as metallurgy, petroleum and petrochemical industry, boats and ships, national defence.The water jet of applying high voltage plunger pump cleans the first-selection that has become the environmental protection cleaning way.
Common high-pressure plunger pump adopts embedded valve group and stuffing box in the existing technology, through pump head body and main pump matrix installing and locating.This kind installing and locating precision is high, but it is very complicated to change easily damaged parts.When changing easily damaged parts, be with changing after valve group and the stuffing box taking-up.And at the scene in the operating environment, this kind structure has increased operation intensity on the one hand; On the other hand, because operation site lacks corresponding hoisting apparatus, also strengthened task difficulty; If cause the gouge or the scuffing of pump head body in the operating process, location fitting surface or sealing surface are damaged, will bring very adverse influence to cleaning process.
The model utility content
The utility model provides a kind of fluid end structure of high-pressure plunger pump to the drawback of existing technology.
The fluid end structure of the described high-pressure plunger pump of the utility model comprises the pump head that is used to connect the main pump matrix, also comprises:
Combination valve group, this combination valve group are arranged on the said pump head opposite side with respect to the main pump matrix;
Opposite side in said combination valve group sets gradually stuffing box and stuffing box briquetting; Said stuffing box and stuffing box briquetting have coaxial center hole, and said plunger passes the center hole of stuffing box briquetting and stuffing box successively, and the tail end of this plunger is provided with locking nut;
Between said pump head and stuffing box briquetting, also be provided with the stuffing box double-screw bolt, this stuffing box double-screw bolt is fixedly connected the stuffing box briquetting with pump head, and stuffing box and combination valve group are fixed between pump head and the stuffing box briquetting.
In the fluid end structure of the described high-pressure plunger pump of the utility model, be provided with high-pressure sealing ring between said combination valve group and the stuffing box.
In the fluid end structure of the described high-pressure plunger pump of the utility model, be provided with sleeve in the center hole of said stuffing box, said plunger passes this sleeve.
In the fluid end structure of the described high-pressure plunger pump of the utility model, said sleeve rear end is provided with carbocyclic ring, and said plunger passes this carbocyclic ring.
In the fluid end structure of the described high-pressure plunger pump of the utility model, said carbocyclic ring rear end is provided with the support ring that carbocyclic ring is positioned; The rear end of said support ring is provided with the pressure ring that support ring is positioned; Said pressure ring rear end is provided with a plurality of seal rings; Rear end at said seal ring is provided with gasket ring; Said plunger wore said carbocyclic ring, support ring, pressure ring, seal ring and gasket ring.
In the fluid end structure of the described high-pressure plunger pump of the utility model, be provided with spacer ring between the said adjacent seal ring.
In the fluid end structure of the described high-pressure plunger pump of the utility model, be provided with lip packing in the center hole of said stuffing box briquetting, said plunger passes this lip packing.
In the fluid end structure of the described high-pressure plunger pump of the utility model, the rear end of said lip packing is provided with the filler ring that this lip packing is carried out support; Be provided with the circlip that this filler ring is positioned in said filler ring rear end.
In the fluid end structure of the described high-pressure plunger pump of the utility model; Be set to modular construction through combination valve group, stuffing box, plunger, stuffing box briquetting; Make that need not the dismounting pump head is the Sealing on replaceable combination valve group and the plunger; Greatly reduce operation labor intensity, it is more efficient and convenient to change easily damaged parts.
Description of drawings
Fig. 1 is the structure cross-sectional schematic of the fluid end of the said high-pressure plunger pump of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description, can implement according to this with reference to the specification literal to make those skilled in the art.
In the fluid end structure of the described high-pressure plunger pump of the utility model, combination valve group, stuffing box, plunger, stuffing box briquetting are set to modular construction, and promptly the each part mentioned above assembly all can be removed separately and made up, but not monolithic construction of the prior art.
As shown in Figure 1, the fluid end structure of the described high-pressure plunger pump of the utility model comprises the pump head 1 that is used to connect the main pump matrix, and this pump head 1 is the main pressure-containing member of fluid end, is fixed in the main pump matrix through pump head bolt 22, nut 23, gasket ring 24.The described fluid end structure of the utility model also comprises combination valve group 2, stuffing box 4, stuffing box briquetting 12.Wherein, Said combination valve group 2 is arranged on the said pump head 1 opposite side with respect to the main pump matrix; Be the relative both sides (direction that is provided with the main pump matrix in the present embodiment is regarded as front end, and then said combination valve group 2 is arranged at the rear end of pump head 1) that main pump matrix and combination valve group 2 are arranged at pump head 1 respectively.
Opposite side in said combination valve group 2 sets gradually stuffing box 4 and stuffing box briquetting 12; Said stuffing box 4 and stuffing box briquetting 12 have coaxial center hole, and said plunger 17 wore the center hole of stuffing box briquetting 12 and stuffing box 4 successively, and the tail end of this plunger 17 is provided with locking nut 18, and this locking nut 18 is used for fastening plunger 17.
Wherein, said stuffing box 4 is the main pressure-containing member of fluid end, is provided with high-pressure sealing ring 3 between this stuffing box 4 and the combination valve group 2, and said high-pressure sealing ring 3 is used for guaranteeing in the discharge opeing process sealing of combination valve group 2 and stuffing box 4 chambers.As shown in Figure 1, be provided with sleeve 5 in the center hole of said stuffing box 4, this sleeve 5 can reduce the pressure-bearing of high-pressure sealing ring 3, when high pressure water can slow down compression shock when sleeve 5 conducts, also can prolong the working life of high-pressure sealing ring 3.Rear end at this sleeve 5 also is provided with carbocyclic ring 7, and said carbocyclic ring 7 provides support for plunger motion.The rear end of said carbocyclic ring 7 is provided with support ring 6, and the carbocyclic ring 7 of 6 pairs of installed inside of this support ring positions protection; The rear end of said support ring 6 is provided with pressure ring 8, and this pressure ring 8 provides axially locating for support ring 6; Said pressure ring 8 rear ends are provided with a plurality of seal rings 9, and these seal rings 9 provide the sealing to plunger 17, when guaranteeing 2 discharge opeings of combination valve group to the sealing of the chamber of stuffing box 4.Also spacer ring 10 can be set between said a plurality of adjacent seal ring 9,, prevent to seal continuous inefficacy so that each seal ring 9 is isolated.Be provided with gasket ring 11 in the rear end of said seal ring 9, this gasket ring 11 is used to support aforesaid black box.17 of said plungers are from the back and preceding aforesaid gasket ring 11, seal ring 9, spacer ring 10, pressure ring 8, support ring 6, carbocyclic ring 7, the sleeve 5 of wearing.As shown in fig. 1, also carbocyclic ring 7, support ring 6 and pressure ring 8 can be set further in the rear end of a plurality of seal rings 9.
Between said pump head 1 and stuffing box briquetting 12, also be provided with stuffing box double-screw bolt 19; Through stuffing box double-screw bolt 19, nut 20, gasket ring 21 stuffing box briquetting 12 is fixedly connected with pump head 1, and stuffing box 4 and combination valve group 2 are fixed between pump head 1 and the stuffing box briquetting 12.As shown in Figure 1, be provided with lip packing 14 in the center hole of said stuffing box briquetting 12, this lip packing 14 is used for carrying out the cooling water sealing, and said plunger 17 wore this lip packing 14.Front end at said lip packing 14 can be provided with adjustment nut 13, so that plunger 17 is sealed adjustment.Be provided with the filler ring 15 that this lip packing 14 is carried out support in the rear end of said lip packing 14; Be provided with the circlip 16 that this filler ring 15 is positioned in the rear end of said filler ring 15.
In the fluid end structure of the described high-pressure plunger pump of the utility model; Be set to modular construction through combination valve group, stuffing box, plunger, stuffing box briquetting; Make that need not the dismounting pump head is the Sealing on replaceable combination valve group and the plunger; Greatly reduce operation labor intensity, it is more efficient and convenient to change easily damaged parts.
Although the embodiment of the utility model is open as above; But it is not restricted to listed utilization in specification and the mode of execution; It can be applied to the field of various suitable the utility model fully, for being familiar with those skilled in the art, can easily realize other modification; Therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the utility model is not limited to specific details and illustrates here and describe.
Claims (8)
1. the fluid end structure of a high-pressure plunger pump comprises the pump head that is used to connect the main pump matrix, it is characterized in that, also comprises:
Combination valve group, this combination valve group are arranged on the said pump head opposite side with respect to the main pump matrix;
Opposite side in said combination valve group sets gradually stuffing box and stuffing box briquetting; Said stuffing box and stuffing box briquetting have coaxial center hole, and said plunger passes the center hole of stuffing box briquetting and stuffing box successively, and the tail end of this plunger is provided with locking nut;
Between said pump head and stuffing box briquetting, also be provided with the stuffing box double-screw bolt, this stuffing box double-screw bolt is fixedly connected the stuffing box briquetting with pump head, and stuffing box and combination valve group are fixed between pump head and the stuffing box briquetting.
2. fluid end structure as claimed in claim 1 is characterized in that, is provided with high-pressure sealing ring between said combination valve group and the stuffing box.
3. fluid end structure as claimed in claim 1 is characterized in that, is provided with sleeve in the center hole of said stuffing box, and said plunger wore this sleeve.
4. fluid end structure as claimed in claim 3 is characterized in that said sleeve rear end is provided with carbocyclic ring, and said plunger passes this carbocyclic ring.
5. fluid end structure as claimed in claim 4 is characterized in that, said carbocyclic ring rear end is provided with the support ring that carbocyclic ring is positioned; The rear end of said support ring is provided with the pressure ring that support ring is positioned; Said pressure ring rear end is provided with a plurality of seal rings; Rear end at said seal ring is provided with gasket ring; Said plunger wore said carbocyclic ring, support ring, pressure ring, seal ring and gasket ring.
6. fluid end structure as claimed in claim 5 is characterized in that, is provided with spacer ring between the said adjacent seal ring.
7. fluid end structure as claimed in claim 1 is characterized in that, is provided with lip packing in the center hole of said stuffing box briquetting, and said plunger wore this lip packing.
8. fluid end structure as claimed in claim 7 is characterized in that the rear end of said lip packing is provided with the filler ring that this lip packing is carried out support; Be provided with the circlip that this filler ring is positioned in said filler ring rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205408413U CN202468188U (en) | 2011-12-21 | 2011-12-21 | Fluid end structure of high pressure plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205408413U CN202468188U (en) | 2011-12-21 | 2011-12-21 | Fluid end structure of high pressure plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468188U true CN202468188U (en) | 2012-10-03 |
Family
ID=46916349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205408413U Expired - Fee Related CN202468188U (en) | 2011-12-21 | 2011-12-21 | Fluid end structure of high pressure plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468188U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799038A (en) * | 2018-06-06 | 2018-11-13 | 广州富森环保科技股份有限公司 | A kind of super-high-pressure plunger pump fluid end |
| CN109404274A (en) * | 2018-10-25 | 2019-03-01 | 烟台杰瑞石油装备技术有限公司 | A kind of cold end of low-temperature high-pressure plunger pump |
| CN114233597A (en) * | 2021-09-22 | 2022-03-25 | 无锡威顺煤矿机械有限公司 | Ultra-large flow emulsion pump and use method thereof |
-
2011
- 2011-12-21 CN CN2011205408413U patent/CN202468188U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799038A (en) * | 2018-06-06 | 2018-11-13 | 广州富森环保科技股份有限公司 | A kind of super-high-pressure plunger pump fluid end |
| CN109404274A (en) * | 2018-10-25 | 2019-03-01 | 烟台杰瑞石油装备技术有限公司 | A kind of cold end of low-temperature high-pressure plunger pump |
| CN114233597A (en) * | 2021-09-22 | 2022-03-25 | 无锡威顺煤矿机械有限公司 | Ultra-large flow emulsion pump and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20121221 |