CN203685545U - Pump head for high-pressure pump - Google Patents
Pump head for high-pressure pump Download PDFInfo
- Publication number
- CN203685545U CN203685545U CN201320719288.9U CN201320719288U CN203685545U CN 203685545 U CN203685545 U CN 203685545U CN 201320719288 U CN201320719288 U CN 201320719288U CN 203685545 U CN203685545 U CN 203685545U
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- China
- Prior art keywords
- pump head
- link
- balance tube
- pump
- inner chamber
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- Expired - Fee Related
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Abstract
The utility model provides a pump head for a high-pressure pump. Balance pipes in the pump head are communicated with pump head bodies and plunger cavities through sealed connecting pieces respectively; a control regulation part is arranged on each balance pipe; each sealed connecting piece sequentially comprises an elastic part, a first connecting piece and a second connecting piece from inside to outside; the first and second connecting pieces are connected through bolts; the upper ends of the second connecting pieces are wrapped with the elastic parts, and gaps are formed between the second connecting pieces and the balance pipes; the first connecting pieces are fixedly connected with sealing boxes or the pump head bodies. The pump head is high in sealing performance; the elastic parts are used for sealing, so that the degree of freedom and the adjustability of the balance pipes are improved, the sealing performance is enhanced, the pump head is convenient to machine and mount, the failure rate of equipment is greatly reduced, the labor cost required by maintenance is lowered, the whole equipment can more stably run, and undesirable impact on production is reduced.
Description
Technical field
The utility model belongs to plunger pump technique field, more particularly, relates to a kind of high-pressure service pump pump head.
Background technique
The component that the project organization adopting for the high-pressure service pump pump head of industrial production especially petroleum production at present needs are various, pipeline tie point and the part that need to seal are all many, bring huge challenge to the sealability of Whole Equipment, in large intensity running, often there is the phenomenon of leakage, cause equipment failure to take place frequently, need to pay a large amount of human costs and carry out regular maintenance, have a strong impact on its working life, reduce the efficiency of manufacturing operation, there is patent to enter, liquid discharging valve entire combination, enter liquid-discharging tube all in pump head body, enter drainage works completes in pump head, hydraulic resistance balance valve is adjustable, one end is connected with pump head body by passage block, the other end is connected by link with sealing case, connecting head upper end is provided with adjusting head, the sealed at both ends property of this balance tube is not high enough, easy leakage of oil when balance tube changes greatly, bad adaptability, can not meet multiple situation, it is inconvenient that passage block is installed processing.
Model utility content
The utility model provides a kind of good seal performance, and adaptability is good, can meet multiple situation of change, processes high-pressure service pump pump head easy for installation.
A kind of high-pressure service pump pump head, comprise a pump head body being connected as a single entity above, pump head body one end is connected with sealing case, the other end is connected with gland, in pump head body, be provided with inner chamber, liquid inlet pipe and drain pipe, in sealing case, be provided with plunger cavity, inner chamber is communicated with plunger cavity, in inner chamber, be provided with combination brake switch and proporting, drain pipe is communicated with inner chamber, liquid inlet pipe is communicated with combination brake switch and proporting, pump head body is provided with balance tube assembly outward, balance tube assembly is communicated with plunger cavity and pump head body inner chamber, in plunger cavity, be provided with plunger piston assembly, it is characterized in that: described balance tube assembly comprises balance tube, seal connector and regulating and controlling part, described seal connector quantity is two, balance tube is communicated with pump head body and plunger cavity respectively by seal connector, balance tube is provided with regulating and controlling part, seal connector is followed successively by elastic component from inside to outside, the first link and the second link, the second link and the first link are bolted, the second link upper end parcel elastic component and and balance tube between have interval, the first link is fixedly connected with sealing case or pump head body.
As a kind of concrete preferred version, described elastic component is Elastic Circular column jecket or ladder cylindrical tube or conical tube, is one end that diameter is larger upward.
As a kind of concrete preferred version, described combination brake switch and proporting comprises valve body, spring, imbibition valve block, safety check and circulating tanks, and imbibition valve block is connected with spring, and valve body is connected with imbibition valve block, and safety check is screwed on valve body, and valve body is provided with circulating tanks.
As a kind of concrete preferred version, described liquid inlet pipe is communicated with circulating tanks.
As a kind of concrete preferred version, the cross section of described sealing case is rectangle.
As a kind of concrete preferred version, it is cylindrical that described pump head body inner chamber is ladder.
As a kind of concrete preferred version, it is cylindrical that described plunger cavity inner chamber is ladder.
The utility model adopts the pump housing of integral type and the design of plunger body, plunger cavity is easy-to-leak liquid not, and balance tube is communicated with each position by seal connector, good seal performance, seal by elastic component, improved degrees of freedom and the controllability of balance tube, sealability strengthens, and processes easy for installation, greatly reduce the rate of fault of equipment, saved and safeguarded the human cost spending, Whole Equipment operation is more stable, has reduced the adverse effect to producing.
Below in conjunction with drawings and Examples, the utility model is elaborated.
Brief description of the drawings
Figure 1 shows that a kind of front view of high-pressure service pump pump head;
Figure 2 shows that along the sectional view of the line of A-A shown in Fig. 1;
Fig. 3 is a kind of structural representation of described seal connector;
Fig. 4 is a kind of structural representation of described seal connector;
Fig. 5 is a kind of structural representation of described seal connector.
In figure: 1-drain pipe; 2-balance tube; 3-the second link; 4-elastic component; 5-bolt; 6-gland; 7-pump head body; 8-liquid inlet pipe; 9-plunger; 10-regulating and controlling part; 11-the first link; 12-safety check; 13-combination brake switch and proporting; 14-imbibition valve block; 15-plunger piston assembly; 16-spring; 17-circulating tanks; 18-sealing case; 19-plunger cavity.
Embodiment
Embodiment 1: as depicted in figs. 1 and 2, a kind of high-pressure service pump pump head, comprise a pump head body being connected as a single entity above 7, pump head body 7 one end are connected with sealing case 18, the other end is connected with gland 6, in pump head body 7, be provided with inner chamber, liquid inlet pipe 8 and drain pipe 1, in sealing case 18, be provided with plunger cavity 19, inner chamber is communicated with plunger cavity 19, in inner chamber, be provided with combination brake switch and proporting 13, drain pipe 1 is communicated with inner chamber, liquid inlet pipe 8 is communicated with combination brake switch and proporting 13, the outer balance tube assembly that is provided with of pump head body 7, balance tube assembly is communicated with plunger cavity 19 and pump head body 7 inner chambers, in plunger cavity 19, be provided with plunger piston assembly 15, described balance tube assembly comprises balance tube 2, seal connector and regulating and controlling part 10, described seal connector quantity is two, balance tube 2 is communicated with pump head body 7 and plunger cavity 19 respectively by seal connector, balance tube 2 is provided with regulating and controlling part 10, seal connector is followed successively by elastic component 4 from inside to outside, the first link 11 and the second link 3, the second link 3 is connected by bolt 5 with the first link 11, the second link 3 upper ends parcels elastic components 4 and and balance tube 2 between have interval, the first link 11 is fixedly connected with sealing case 18 or pump head body 7, described regulating and controlling part is modulating valve, can control the interior flow of balance tube 2.
As shown in Figure 3, described elastic component 4 is elasticity ladder cylindrical tube, and the larger one end of diameter, prevents draining upward.
Described combination brake switch and proporting 13 comprises valve body, spring 16, imbibition valve block 14, safety check 12 and circulating tanks 17, and imbibition valve block 14 is connected with spring 16, and valve body is connected with imbibition valve block 14, and safety check 12 is screwed on valve body, and valve body is provided with circulating tanks 17.Described liquid inlet pipe 8 is communicated with circulating tanks 17.
The cross section of described sealing case 18 is rectangle.
It is cylindrical that described pump head body 7 inner chambers are ladder.
It is cylindrical that described plunger cavity 19 inner chambers are ladder.
In the time of work, plunger 9 moves backward, highly pressurised liquid enters valve body circulating tanks 17 by liquid inlet pipe 8, now imbibition valve block 14 is opened, liquid enters plunger cavity 19, plunger 9 promotes forward, imbibition valve block 14 has been closed liquid inlet pipe 8, safety check 12 is opened, liquid is discharged by drain pipe 1, partially liq in inner chamber is sent back to plunger cavity 19 by balance tube 2 simultaneously, reduce the pressure reduction between inner chamber and plunger cavity 19, the impact force that plunger 9 is born diminishes, extend working life, when balance tube 2 need to be reconciled, use regulating and controlling part 10 to regulate and control balance tube 2 flows, 2 pressure are excessive or when too small in balance tube, elastic component 4 is oppressed, outwards extruding the first link 11 and the second link 3, under the effect of bolt 5, elastic component 4, the first link 11 and the second link 3 coordinate prevention oil to leak, good seal performance, adaptability is good, at ordinary times can also be by tightening or unclamping bolt 5, regulate the pressure size of seal connector to balance tube 2.
Embodiment 2: as depicted in figs. 1 and 2, a kind of high-pressure service pump pump head, comprise a pump head body being connected as a single entity above 7, pump head body 7 one end are connected with sealing case 18, the other end is connected with gland 6, in pump head body 7, be provided with inner chamber, liquid inlet pipe 8 and drain pipe 1, in sealing case 18, be provided with plunger cavity 19, inner chamber is communicated with plunger cavity 19, in inner chamber, be provided with combination brake switch and proporting 13, drain pipe 1 is communicated with inner chamber, liquid inlet pipe 8 is communicated with combination brake switch and proporting 13, the outer balance tube assembly that is provided with of pump head body 7, balance tube assembly is communicated with plunger cavity 19 and pump head body 7 inner chambers, in plunger cavity 19, be provided with plunger piston assembly 15, described balance tube assembly comprises balance tube 2, seal connector and regulating and controlling part 10, described seal connector quantity is two, balance tube 2 is communicated with pump head body 7 and plunger cavity 19 respectively by seal connector, balance tube 2 is provided with regulating and controlling part 10, seal connector is followed successively by elastic component 4 from inside to outside, the first link 11 and the second link 3, the second link 3 is connected by bolt 5 with the first link 11, the second link 3 upper ends parcels elastic components 4 and and balance tube 2 between have interval, the first link 11 is fixedly connected with sealing case 18 or pump head body 7, described regulating and controlling part is modulating valve, can control the interior flow of balance tube 2.
As shown in Figure 5, described elastic component 4 is Elastic Circular Taper Pipe, and the larger one end of diameter, prevents draining upward, and when installation, Elastic Circular Taper Pipe is squeezed and flattens.
Described combination brake switch and proporting 13 comprises valve body, spring 16, imbibition valve block 14, safety check 12 and circulating tanks 17, and imbibition valve block 14 is connected with spring 16, and valve body is connected with imbibition valve block 14, and safety check 12 is screwed on valve body, and valve body is provided with circulating tanks 17.Described liquid inlet pipe 8 is communicated with circulating tanks 17.
The cross section of described sealing case 18 is rectangle.
It is cylindrical that described pump head body 7 inner chambers are ladder.
It is cylindrical that described plunger cavity 19 inner chambers are ladder.
In the time of work, plunger 9 moves backward, highly pressurised liquid enters valve body circulating tanks 17 by liquid inlet pipe 8, now imbibition valve block 14 is opened, liquid enters plunger cavity 19, plunger 9 promotes forward, imbibition valve block 14 has been closed liquid inlet pipe 8, safety check 12 is opened, liquid is discharged by drain pipe 1, partially liq in inner chamber is sent back to plunger cavity 19 by balance tube 2 simultaneously, reduce the pressure reduction between inner chamber and plunger cavity 19, the impact force that plunger 9 is born diminishes, extend working life, when balance tube 2 need to be reconciled, use regulating and controlling part 10 to regulate and control balance tube 2 flows, 2 pressure are excessive or when too small in balance tube, elastic component 4 is oppressed, outwards extruding the first link 11 and the second link 3, under the effect of bolt 5, elastic component 4, the first link 11 and the second link 3 coordinate prevention oil to leak, good seal performance, adaptability is good, at ordinary times can also be by tightening or unclamping bolt 5, regulate the pressure size of seal connector to balance tube 2.
Embodiment 3: as depicted in figs. 1 and 2, a kind of high-pressure service pump pump head, comprise a pump head body being connected as a single entity above 7, pump head body 7 one end are connected with sealing case 18, the other end is connected with gland 6, in pump head body 7, be provided with inner chamber, liquid inlet pipe 8 and drain pipe 1, in sealing case 18, be provided with plunger cavity 19, inner chamber is communicated with plunger cavity 19, in inner chamber, be provided with combination brake switch and proporting 13, drain pipe 1 is communicated with inner chamber, liquid inlet pipe 8 is communicated with combination brake switch and proporting 13, the outer balance tube assembly that is provided with of pump head body 7, balance tube assembly is communicated with plunger cavity 19 and pump head body 7 inner chambers, in plunger cavity 19, be provided with plunger piston assembly 15, described balance tube assembly comprises balance tube 2, seal connector and regulating and controlling part 10, described seal connector quantity is two, balance tube 2 is communicated with pump head body 7 and plunger cavity 19 respectively by seal connector, balance tube 2 is provided with regulating and controlling part 10, seal connector is followed successively by elastic component 4 from inside to outside, the first link 11 and the second link 3, the second link 3 is connected by bolt 5 with the first link 11, the second link 3 upper ends parcels elastic components 4 and and balance tube 2 between have interval, the first link 11 is fixedly connected with sealing case 18 or pump head body 7, described regulating and controlling part is modulating valve, can control the interior flow of balance tube 2.
As shown in Figure 4, described elastic component 4 is Elastic Circular column jecket, prevents draining.
Described combination brake switch and proporting 13 comprises valve body, spring 16, imbibition valve block 14, safety check 12 and circulating tanks 17, and imbibition valve block 14 is connected with spring 16, and valve body is connected with imbibition valve block 14, and safety check 12 is screwed on valve body, and valve body is provided with circulating tanks 17.Described liquid inlet pipe 8 is communicated with circulating tanks 17.
The cross section of described sealing case 18 is rectangle.
It is cylindrical that described pump head body 7 inner chambers are ladder.
It is cylindrical that described plunger cavity 19 inner chambers are ladder.
In the time of work, plunger 9 moves backward, highly pressurised liquid enters valve body circulating tanks 17 by liquid inlet pipe 8, now imbibition valve block 14 is opened, liquid enters plunger cavity 19, plunger 9 promotes forward, imbibition valve block 14 has been closed liquid inlet pipe 8, safety check 12 is opened, liquid is discharged by drain pipe 1, partially liq in inner chamber is sent back to plunger cavity 19 by balance tube 2 simultaneously, reduce the pressure reduction between inner chamber and plunger cavity 19, the impact force that plunger 9 is born diminishes, extend working life, when balance tube 2 need to be reconciled, use regulating and controlling part 10 to regulate and control balance tube 2 flows, 2 pressure are excessive or when too small in balance tube, elastic component 4 is oppressed, outwards extruding the first link 11 and the second link 3, under the effect of bolt 5, elastic component 4, the first link 11 and the second link 3 coordinate prevention oil to leak, good seal performance, adaptability is good, at ordinary times can also be by tightening or unclamping bolt 5, regulate the pressure size of seal connector to balance tube 2.
Claims (7)
1. a high-pressure service pump pump head, comprise a pump head body being connected as a single entity above (7), pump head body (7) one end is connected with sealing case (18), the other end is connected with gland (6), pump head body is provided with inner chamber in (7), liquid inlet pipe (8) and drain pipe (1), in sealing case (18), be provided with plunger cavity (19), inner chamber is communicated with plunger cavity (19), in inner chamber, be provided with combination brake switch and proporting (13), drain pipe (1) is communicated with inner chamber, liquid inlet pipe (8) is communicated with combination brake switch and proporting (13), the outer balance tube assembly that is provided with of pump head body (7), balance tube assembly is communicated with plunger cavity (19) and pump head body (7) inner chamber, in plunger cavity (19), be provided with plunger piston assembly (15), it is characterized in that: described balance tube assembly comprises balance tube (2), seal connector and regulating and controlling part (10), described seal connector quantity is two, balance tube (2) is communicated with pump head body (7) and plunger cavity (19) respectively by seal connector, balance tube (2) is provided with regulating and controlling part (10), seal connector is followed successively by elastic component (4) from inside to outside, the first link (11) and the second link (3), the second link (3) is connected by bolt (5) with the first link (11), the second link (3) upper end parcel elastic component (4) and and balance tube (2) between have interval, the first link (11) is fixedly connected with sealing case (18) or pump head body (7).
2. a kind of high-pressure service pump pump head according to claim 1, is characterized in that: described elastic component (4) is Elastic Circular column jecket or ladder cylindrical tube or conical tube, is one end that diameter is larger upward.
3. a kind of high-pressure service pump pump head according to claim 1 and 2, it is characterized in that: described combination brake switch and proporting (13) comprises valve body, spring (16), imbibition valve block (14), safety check (12) and circulating tanks (17), imbibition valve block (14) is connected with spring (16), valve body is connected with imbibition valve block (14), safety check (12) is screwed on valve body, and valve body is provided with circulating tanks (17).
4. a kind of high-pressure service pump pump head according to claim 3, is characterized in that: described liquid inlet pipe (8) is communicated with circulating tanks (17).
5. a kind of high-pressure service pump pump head according to claim 1 and 2, is characterized in that: the cross section of described sealing case (18) is rectangle.
6. a kind of high-pressure service pump pump head according to claim 1 and 2, is characterized in that: it is cylindrical that described pump head body (7) inner chamber is ladder.
7. a kind of high-pressure service pump pump head according to claim 1 and 2, is characterized in that: it is cylindrical that described plunger cavity (19) inner chamber is ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320719288.9U CN203685545U (en) | 2013-11-08 | 2013-11-08 | Pump head for high-pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320719288.9U CN203685545U (en) | 2013-11-08 | 2013-11-08 | Pump head for high-pressure pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685545U true CN203685545U (en) | 2014-07-02 |
Family
ID=51007453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320719288.9U Expired - Fee Related CN203685545U (en) | 2013-11-08 | 2013-11-08 | Pump head for high-pressure pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203685545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104069906A (en) * | 2014-07-23 | 2014-10-01 | 衢州毛陈化工科技有限公司 | Stable liquid-out device of high-pressure box body |
-
2013
- 2013-11-08 CN CN201320719288.9U patent/CN203685545U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104069906A (en) * | 2014-07-23 | 2014-10-01 | 衢州毛陈化工科技有限公司 | Stable liquid-out device of high-pressure box body |
| CN104069906B (en) * | 2014-07-23 | 2016-01-27 | 烟台市牟平海联联合有限责任公司 | Liquid discharge device stablized by a kind of high pressure casing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20141108 |
|
| EXPY | Termination of patent right or utility model |