CN103850925A - High-pressure pump fluid end - Google Patents
High-pressure pump fluid end Download PDFInfo
- Publication number
- CN103850925A CN103850925A CN201410121246.4A CN201410121246A CN103850925A CN 103850925 A CN103850925 A CN 103850925A CN 201410121246 A CN201410121246 A CN 201410121246A CN 103850925 A CN103850925 A CN 103850925A
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- valve
- feed liquor
- setting sleeve
- valve seat
- liquid discharging
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Abstract
The invention relates to the field of high-pressure pump manufacturing technologies, and in particular relates to a high-pressure pump fluid end. The high-pressure pump fluid end comprises a pump head, a connecting base, a stuffing box and a fluid inlet and draining valve bank, wherein the fluid inlet and draining valve bank is fixed between the connecting base and the pump head, the stuffing box is fixedly connected with the connecting base, a plunger piston hole is formed in the stuffing box, a plunger piston is arranged in the plunger piston hole, the fluid inlet and draining valve bank comprises a fluid inlet valve, a fluid draining valve and a fluid inlet and draining valve seat, a water hole and a fluid inlet of the valve seat are formed in the fluid inlet and draining valve seat, one end of the water hole is in threaded connection with the fluid inlet valve, the other end of the water hole is in the threaded connection with the fluid draining valve, and a fluid inlet of the valve seat is communicated with a fluid inlet of the pump head. The high-pressure pump fluid end has the simple structure, the fluid inlet valve and the fluid draining valve are directly arranged on the fluid inlet and draining valve seat respectively through the threaded connection when the high-pressure pump fluid end is installed, the whole fluid inlet and draining valve bank is arranged between the pump head and the connecting base, the installation is convenient, and the working efficiency of workers is improved.
Description
Technical field
The present invention relates to high-pressure service pump manufacturing technology field, relate in particular to a kind of high-pressure service pump fluid end.
Background technique
The pump that plunger pump manufacturer produces both at home and abroad, the liquid feed valve of employing and liquid discharging valve, be all not have the dynamic passive entire valve of opening substantially.Start when plunger stretches out working stroke, the thrust of plunger makes liquid produce pressure, and liquid discharging valve is opened, and liquid feed valve closes entire under the effect of spring force simultaneously; Plunger continues to move ahead according to curve speedup and deceleration, and liquid discharging valve is opened manyly because flow velocity increases under the impact of working fluid, and flow velocity reduces and opens gradually little valve and open, and liquid discharging valve closes entire under the effect of spring force simultaneously; Plunger continues retraction, and liquid feed valve reaches and starts afterwards farthest to retract at liquid fluidization tower plug, and feed liquor stroke starts, and the fluid pressure in feed pathway makes to open under feed liquor impact gradually large---and gradually little.Fluid end of the prior art is because component are many, and structure is comparatively complicated, more loaded down with trivial details when installation, is difficult for installation and removal maintenance.
Summary of the invention
The object of the invention is to overcome the deficiency of above-mentioned technology, and a kind of high-pressure service pump fluid end is provided, be convenient to install, simple in structure.
The present invention for achieving the above object, by the following technical solutions: a kind of high-pressure service pump fluid end, it is characterized in that: comprise pump head, connecting base, stuffing box and combination valve group, described combination valve group is fixed between described connecting base and pump head, described stuffing box and described connecting base are affixed, in described stuffing box, be provided with plunger hole, in described plunger hole, be provided with plunger, one end ring week of described plunger is provided with piston spring, described piston spring one end and described connecting base offset, one side of the other end and snap ring offsets, filler in the opposite side of described snap ring and described stuffing box offsets, described combination valve group comprises liquid feed valve, liquid discharging valve and combination valve seat, described combination valve seat is provided with water port and valve seat inlet opening, one end of described water port is threaded with described liquid feed valve, the other end of described water port is threaded with described liquid discharging valve, and described valve seat inlet opening is communicated with the pump head inlet opening on described pump head, described liquid discharging valve comprises discharge opeing spool and discharge opeing spool setting sleeve, described discharge opeing spool is placed in described discharge opeing spool setting sleeve, between described discharge opeing spool and described discharge opeing spool setting sleeve, be provided with liquid discharging valve spring, described discharge opeing spool setting sleeve one end is provided with liquid discharging valve outage, described liquid discharging valve outage is communicated with the pump head outage on described pump head, described liquid discharging valve outage outer end ring week be provided with liquid discharging valve screw thread, described liquid discharging valve screw thread coordinates with the discharge opeing tapped hole on described combination valve seat.
Preferably, described liquid feed valve comprises feed liquor valve plate setting sleeve and feed liquor valve plate, described liquid feed valve sleeve-board is contained on described feed liquor valve plate setting sleeve, between described feed liquor valve plate setting sleeve and described feed liquor valve plate, be provided with liquid feed valve spring, described feed liquor valve plate setting sleeve one end is provided with liquid feed valve screw thread, and described liquid feed valve screw thread coordinates with the feed liquor tapped hole on described combination valve seat.
Preferably, affixed by positioning ring between described combination valve seat and connecting base.
Preferably, between described combination valve seat and connecting base, be provided with the first O-ring seals.
Preferably, between described combination valve seat and pump head, be provided with the second O-ring seals.
Preferably, described stuffing box is provided with quick inserting joint.
Preferably, described feed liquor valve plate setting sleeve is made up of cylindrical portion and opening portion, and the cross section of described opening portion is trapezoidal, and one end of opening portion minimum diameter is connected with described cylindrical portion, and described screw thread is arranged in cylindrical portion.
Preferably, described opening portion outer end ring week be provided with annular projection, the cross section of described feed liquor valve plate is L-shaped, the outer ring of described liquid feed valve setting sleeve is provided with ladder platform, described feed liquor valve plate coordinates with described ladder platform, and described liquid feed valve spring is arranged between described annular projection and the long limit of feed liquor valve plate.
The invention has the beneficial effects as follows: the present invention is simple in structure, the mode first liquid feed valve and liquid discharging valve being threaded connection respectively when installation is directly installed on combination valve seat, again overall combination valve group is arranged between pump head and connecting base, it is convenient to install, greatly improve workman's working efficiency, reduced the cost of production of enterprise; Liquid feed valve spring and liquid discharging valve spring can be convenient to feed liquor valve plate and discharge opeing valve plate resets fast, so that the folding of accurate control valve, the design of feed liquor valve plate and annular protrusion unique texture, can rationally utilize the space of liquid flowing valve, and structure is compacter.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of combination valve group in the present invention;
In figure: 1, liquid feed valve; 11, feed liquor valve plate setting sleeve; 111, cylindrical portion; 112, opening portion; 113, annular projection; 114, ladder platform; 12, feed liquor valve plate; 13, liquid feed valve spring; 14, liquid feed valve screw thread; 2, liquid discharging valve; 21, discharge opeing spool; 22, discharge opeing spool setting sleeve; 23, liquid discharging valve spring; 24, liquid discharging valve outage; 25, liquid discharging valve screw thread; 3, combination valve seat; 31, water port; 32, valve seat inlet opening; 4, pump head; 41, pump head inlet opening; 42, pump head outage; 5, connecting base; 6, stuffing box; 61, plunger; 62, piston spring; 63, snap ring; 7, positioning ring; 8, the first O-ring seals; 9, the second O-ring seals.
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing and preferred embodiment, as shown in Figure 1, a kind of high-pressure service pump fluid end, comprise pump head 4, connecting base 5, stuffing box 6 and combination valve group, described combination valve group is fixed between described connecting base and pump head, affixed by positioning ring 7 between described combination valve seat and connecting base.Between described combination valve seat and connecting base, be provided with the first O-ring seals 8.Between described combination valve seat and pump head, be provided with the second O-ring seals 9.Described stuffing box and described connecting base are affixed, in described stuffing box, be provided with plunger hole, in described plunger hole, be provided with plunger 61, one end ring week of described plunger is provided with piston spring 62, described piston spring one end and described connecting base offset, and a side of the other end and snap ring 63 offsets, and the filler in the opposite side of described snap ring and described stuffing box offsets, can ensure that like this filler in stuffing box and plunger are all the time in a kind of high sealing state, prevent that the outer and air of water efflux pump from entering in water pump.Described combination valve group comprises liquid feed valve 1, liquid discharging valve 2 and combination valve seat 3, described combination valve seat is provided with water port 31 and valve seat inlet opening 32, one end of described water port is threaded with described liquid feed valve, the other end of described water port is threaded with described liquid discharging valve, and described valve seat inlet opening is communicated with the pump head inlet opening 41 on described pump head, between liquid feed valve and liquid discharging valve, be communicated with, described liquid discharging valve 2 comprises discharge opeing spool 21 and discharge opeing spool setting sleeve 22, described discharge opeing spool 21 is placed in described discharge opeing spool setting sleeve 22, discharge opeing spool can slide in discharge opeing spool, for can be convenient to board also spool reset fast, between described discharge opeing spool 21 and described discharge opeing spool setting sleeve 22, be provided with liquid discharging valve spring 23, described discharge opeing spool setting sleeve one end is provided with liquid discharging valve outage 24, water is discharged from here, in order liquid discharging valve to be fixed on described combination valve seat, described liquid discharging valve outage is communicated with the pump head outage 42 on described pump head, described liquid discharging valve outage outer end ring week be provided with liquid discharging valve screw thread 25, described liquid discharging valve screw thread coordinates with the discharge opeing tapped hole on described combination valve seat, , described liquid feed valve 1 comprises feed liquor valve plate setting sleeve 11 and feed liquor valve plate 12, described feed liquor valve plate 12 is sleeved on described feed liquor valve plate setting sleeve 11, between described feed liquor valve plate setting sleeve 11 and described feed liquor valve plate 12, be provided with liquid feed valve spring 13, described feed liquor valve plate setting sleeve one end is provided with liquid feed valve screw thread 14, described liquid feed valve screw thread coordinates with the feed liquor tapped hole on described combination valve seat, identical with liquid feed valve principle, object is quick mounting.For the ease of observing the motion conditions of plunger in stuffing box, described stuffing box is provided with form, for coupled columns plug is lubricated, in described stuffing box, is provided with quick inserting joint.
In order to improve current inlet, described feed liquor valve plate setting sleeve 11 is made up of cylindrical portion 111 and opening portion 112, and the cross section of described opening portion is trapezoidal, and one end of opening portion minimum diameter is connected with described cylindrical portion, and described screw thread is arranged in cylindrical portion.Described opening portion outer end ring week be provided with annular projection 113, the cross section of described feed liquor valve plate is L-shaped, the outer ring of described liquid feed valve setting sleeve is provided with ladder platform 114, described feed liquor valve plate coordinates with described ladder platform, described liquid feed valve spring is arranged between described annular projection and the long limit of feed liquor valve plate, compact structure.
The present invention is simple in structure, the mode being threaded connection respectively due to liquid feed valve and liquid discharging valve is directly installed on combination valve seat, combination valve seat entirety is arranged in the fluid end of high-pressure service pump again, installation steps are greatly reduced, and it is convenient to install, greatly improve workman's working efficiency, reduced the cost of production of enterprise.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a high-pressure service pump fluid end, it is characterized in that: comprise pump head, connecting base, stuffing box and combination valve group, described combination valve group is fixed between described connecting base and pump head, described stuffing box and described connecting base are affixed, in described stuffing box, be provided with plunger hole, in described plunger hole, be provided with plunger, one end ring week of described plunger is provided with piston spring, described piston spring one end and described connecting base offset, one side of the other end and snap ring offsets, and the filler in the opposite side of described snap ring and described stuffing box offsets; Described combination valve group comprises liquid feed valve, liquid discharging valve and combination valve seat, described combination valve seat is provided with water port and valve seat inlet opening, one end of described water port is threaded with described liquid feed valve, the other end of described water port is threaded with described liquid discharging valve, and described valve seat inlet opening is communicated with the pump head inlet opening on described pump head; Described liquid discharging valve comprises discharge opeing spool and discharge opeing spool setting sleeve, described discharge opeing spool is placed in described discharge opeing spool setting sleeve, between described discharge opeing spool and described discharge opeing spool setting sleeve, be provided with liquid discharging valve spring, described discharge opeing spool setting sleeve one end is provided with liquid discharging valve outage, described liquid discharging valve outage is communicated with the pump head outage on described pump head, described liquid discharging valve outage outer end ring week be provided with liquid discharging valve screw thread, described liquid discharging valve screw thread coordinates with the discharge opeing tapped hole on described combination valve seat.
2. high-pressure service pump fluid end according to claim 1, it is characterized in that: described liquid feed valve comprises feed liquor valve plate setting sleeve and feed liquor valve plate, described liquid feed valve sleeve-board is contained on described feed liquor valve plate setting sleeve, between described feed liquor valve plate setting sleeve and described feed liquor valve plate, be provided with liquid feed valve spring, described feed liquor valve plate setting sleeve one end is provided with liquid feed valve screw thread, and described liquid feed valve screw thread coordinates with the feed liquor tapped hole on described combination valve seat.
3. high-pressure service pump fluid end according to claim 2, is characterized in that: affixed by positioning ring between described combination valve seat and connecting base.
4. high-pressure service pump fluid end according to claim 3, is characterized in that: between described combination valve seat and connecting base, be provided with the first O-ring seals.
5. high-pressure service pump fluid end according to claim 4, is characterized in that: between described combination valve seat and pump head, be provided with the second O-ring seals.
6. high-pressure service pump fluid end according to claim 5, is characterized in that: described stuffing box is provided with quick inserting joint.
7. high-pressure service pump fluid end according to claim 6, it is characterized in that: described feed liquor valve plate setting sleeve is made up of cylindrical portion and opening portion, the cross section of described opening portion is trapezoidal, and one end of opening portion minimum diameter is connected with described cylindrical portion, and described screw thread is arranged in cylindrical portion.
8. high-pressure service pump fluid end according to claim 7, it is characterized in that: described opening portion outer end ring week be provided with annular projection, the cross section of described feed liquor valve plate is L-shaped, the outer ring of described liquid feed valve setting sleeve is provided with ladder platform, described feed liquor valve plate coordinates with described ladder platform, and described liquid feed valve spring is arranged between described annular projection and the long limit of feed liquor valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410121246.4A CN103850925A (en) | 2014-03-28 | 2014-03-28 | High-pressure pump fluid end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410121246.4A CN103850925A (en) | 2014-03-28 | 2014-03-28 | High-pressure pump fluid end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103850925A true CN103850925A (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410121246.4A Pending CN103850925A (en) | 2014-03-28 | 2014-03-28 | High-pressure pump fluid end |
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| CN (1) | CN103850925A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545723A (en) * | 2016-01-15 | 2016-05-04 | 广州易邦环保工程有限公司 | High-pressure pump hydraulic end device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5605449A (en) * | 1996-01-25 | 1997-02-25 | Wendy Buskop | Suction and discharge valve arrangement for a high pressure piston pump |
| US5609477A (en) * | 1993-03-12 | 1997-03-11 | Forgesharp Limited | Inlet/outlet valve arrangement for a fluid pressure intensifying apparatus |
| CN2408263Y (en) * | 2000-01-11 | 2000-11-29 | 华钟麟 | Fluid end of high hydraulic flow pump |
| CN200989479Y (en) * | 2006-12-18 | 2007-12-12 | 宝山钢铁股份有限公司 | Conic spool oneyway valve |
| CN202144789U (en) * | 2011-06-24 | 2012-02-15 | 烟台杰瑞石油装备技术有限公司 | Cold end of low-temperature high-pressure plunger pump |
| CN202300991U (en) * | 2011-03-23 | 2012-07-04 | 中国石油化工股份有限公司 | Pump valve of high-pressure plunger pump |
| CN103195700A (en) * | 2013-04-28 | 2013-07-10 | 天津市精诚高压泵制造有限责任公司 | High-pressure pump valve seat |
| CN203809280U (en) * | 2014-03-28 | 2014-09-03 | 天津市精诚高压泵制造有限责任公司 | High pressure pump hydraulic end |
-
2014
- 2014-03-28 CN CN201410121246.4A patent/CN103850925A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5609477A (en) * | 1993-03-12 | 1997-03-11 | Forgesharp Limited | Inlet/outlet valve arrangement for a fluid pressure intensifying apparatus |
| US5605449A (en) * | 1996-01-25 | 1997-02-25 | Wendy Buskop | Suction and discharge valve arrangement for a high pressure piston pump |
| CN2408263Y (en) * | 2000-01-11 | 2000-11-29 | 华钟麟 | Fluid end of high hydraulic flow pump |
| CN200989479Y (en) * | 2006-12-18 | 2007-12-12 | 宝山钢铁股份有限公司 | Conic spool oneyway valve |
| CN202300991U (en) * | 2011-03-23 | 2012-07-04 | 中国石油化工股份有限公司 | Pump valve of high-pressure plunger pump |
| CN202144789U (en) * | 2011-06-24 | 2012-02-15 | 烟台杰瑞石油装备技术有限公司 | Cold end of low-temperature high-pressure plunger pump |
| CN103195700A (en) * | 2013-04-28 | 2013-07-10 | 天津市精诚高压泵制造有限责任公司 | High-pressure pump valve seat |
| CN203809280U (en) * | 2014-03-28 | 2014-09-03 | 天津市精诚高压泵制造有限责任公司 | High pressure pump hydraulic end |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545723A (en) * | 2016-01-15 | 2016-05-04 | 广州易邦环保工程有限公司 | High-pressure pump hydraulic end device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140611 |