CN105275765B - A kind of high-pressure hydraulic pump - Google Patents
A kind of high-pressure hydraulic pump Download PDFInfo
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- CN105275765B CN105275765B CN201410354531.0A CN201410354531A CN105275765B CN 105275765 B CN105275765 B CN 105275765B CN 201410354531 A CN201410354531 A CN 201410354531A CN 105275765 B CN105275765 B CN 105275765B
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- Prior art keywords
- valve
- plunger
- water
- valve element
- pump casing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
- Safety Valves (AREA)
Abstract
A kind of high-pressure hydraulic pump, including upper pump casing, lower pump body, outlet valve, water intaking valve, plunger, fairlead, inlet channel, water outlet and evacuation valve.Upper pump casing and lower pump body are connected by connecting bolt, and sealing ring is provided between upper pump casing and lower pump body.In upper pump casing, its upper end is threaded with percussion cap to plunger bushing, and upper pump casing upper end is provided with adjustment cap.Tap and be provided with plunger return spring between cap and adjustment cap.Seal between upper pump casing and plunger.Working chamber is formed between the plunger and upper pump casing and/or lower pump body.Lower pump body is provided with outlet valve, water intaking valve and evacuation valve；The water intaking valve connects working chamber by inlet channel, and water intaking valve is check valve.Outlet valve connects working chamber by water outlet.Evacuation valve is connected through a screw thread lower pump body and is connected with working chamber.The present invention ensure that the water got every time is impartial, and ensure that each nailing dynamics is the same.
Description
Technical field
The invention belongs to mechanical device field, and in particular to a kind of high-pressure hydraulic pump.
Background technology
The power source of current nailing gun is mostly compressed air, must have an air inlet pipe and nail gun gun body using compressed air
Connection, have for user tracheae pull operate it is very inconvenient, in addition compressed gas work when exhaust noise compare
Greatly, user usually needs band protective earplug.And compressed air must be provided by air compressor, air compressor is that have
Weight and volume, for finishing personnel, carry very inconvenient.And air compressor is also required to cost.It is existing
Also have using high-pressure hydraulic pump to produce the device of power in technology, but mostly service life is shorter, it is necessary to often change part, also
There is a problem of that each nailing dynamics differs greatly, substantially reduce production efficiency.
The content of the invention
For above-mentioned the deficiencies in the prior art, the present invention is intended to provide a kind of water for ensureing to get every time is impartial
High-pressure hydraulic pump.And ensure that each nailing dynamics is the same using the present invention.
In order to achieve the above object, the present invention is adopted the following technical scheme that：
A kind of high-pressure hydraulic pump, including upper pump casing, lower pump body, outlet valve, water intaking valve, plunger, fairlead, inlet channel, water outlet
Road and evacuation valve.
The upper pump casing and lower pump body are connected by connecting bolt, and sealing ring is provided between upper pump casing and lower pump body, are sealed
Enclose sealing and anti-leakage effect.
In upper pump casing, its upper end is threaded with percussion cap to the plunger bushing, and upper pump casing upper end is provided with adjustment cap.
Plunger return spring is provided between the percussion cap and adjustment cap, plunger can be retracted starting by plunger return spring
Position.
Bushing and seal are provided between the upper pump casing and plunger, seal seals, bushing wear-resisting and waterproof
Material manufacture, positioned at the top of seal, bushing can improve the axiality of plunger and seal, to improve the close of seal
Envelope effect, while reducing the abrasion of seal.
Fairlead is provided between the adjustment cap and plunger, the fairlead play the guiding role in plunger upward and downward,
Fairlead is made using wear-resisting material.
Preloading spring is provided between the adjustment cap and upper pump casing, the preloading spring can strengthen adjustment cap feel.
Working chamber is formed between the plunger and upper pump casing and/or lower pump body.
The lower pump body is provided with outlet valve, water intaking valve and evacuation valve.
The water intaking valve connects working chamber by inlet channel, and water intaking valve is check valve, and water can only enter can not be gone out.Water intaking valve leads to
Water pipe is crossed to connect to form runner with water tank.Water intaking valve includes valve seat, valve element and back-moving spring.The valve seat has a sealing with valve element
Face, is adjacent in the precompression lower valve base of back-moving spring and the sealing surface of valve element, and when working chamber has vacuum, valve element is big
The active force of back-moving spring is overcome to open under gas pressure, the water of water inlet pipe is drawn into pump working chamber, when working chamber has
Valve seat and valve element are just close to and are sealed during high pressure, and water can not be revealed, and play check valve.
The outlet valve connects working chamber by water outlet, and outlet valve includes water inlet, delivery port, valve seat, valve element, spacing
Bar, back-moving spring, valve body, locking nut and outlet pipe.Valve body one end connecting valve seat, other end connection outlet pipe, sets in valve seat
There is valve element, valve element one end connection water inlet, other end connection gag lever post, the gag lever post is located in valve body, and gag lever post rises spacing
Effect, prevents valve element from being taken off from valve seat.Locking nut is used to fasten outlet pipe.
The valve seat and valve element are couple cooperation, and fit clearance is 0.001~0.003mm, and valve element has one to lack platform, only valve
Core lacks platform when exposing valve seat under water pressure pushing, and water under high pressure could flow out when also just saying that stroke is more than m, and m is displacement stroke.
The evacuation valve is used to discharge the air in working chamber, and evacuation valve is connected through a screw thread lower pump body and is connect with working chamber
It is logical.The evacuation valve includes valve body and valve element.Valve element is provided with valve body, valve element is provided with holddown spring, and valve body has one with valve element
Sealing cone, as long as external force overcomes holddown spring to open valve element top, can just extract the air in water pump out using vacuum.
The seal can be the sealing ring of O-ring or other forms.
The evacuation valve can also be integrated in gun body with outside air extractor, more convenient when using.
The scarce platform of the valve element can have diversified forms, such as cross short slot or spiral short slot.
Beneficial effects of the present invention are：Long service life, production efficiency is high；Ensure that the water got every time is impartial
's；Ensure that each nailing dynamics is the same.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 be Fig. 1 in A-A to sectional view；
Fig. 3 is B-B direction sectional view in Fig. 2；
Fig. 4 is inlet valve structure schematic diagram of the present invention；
Fig. 5 is outlet valve structural representation of the present invention；
Fig. 6 does not expose valve seat state diagram for the scarce platform of valve element；
Fig. 7 is that valve element scarce platform under water pressure pushing exposes valve seat state diagram；
Fig. 8 be Fig. 7 in C-C to sectional view；
Reference：The 1- pump housings, 2- lower pump bodies, 3- outlet valves, 4- water intaking valves, 40- plunger returns spring, 41- plungers,
42- fairleads, 43- preloading springs, 44 sealing rings, 45- bushings, 46- seals, 5- tap cap, 50- working chambers, 51- connection spiral shells
Bolt, 52- inlet channels, 53- water outlets, 6- adjustment caps, 60- water inlets, 61- valve seats, 62 valve elements, 63 gag lever posts, 64 back-moving springs,
65 valve bodies, 66 locking nuts, 67- delivery ports, 68 outlet pipes, 69- lack platform, 7- evacuation valves, 70- valve bodies, 71- valve elements, 72- and compress
Spring, 80- valve seats, 81- valve elements, 82- back-moving springs.
Specific embodiment
In order to make it easy to understand, below in conjunction with the accompanying drawings, by embodiment, making further specifically to retouch to technical solution of the present invention
State：
As Figure 1-Figure 8, a kind of high-pressure hydraulic pump, including upper pump casing 1, lower pump body 2, outlet valve 3, water intaking valve 4, plunger
41st, fairlead 42, bushing 45, seal 46, inlet channel 52 and water outlet 53 and evacuation valve 7.
Upper pump casing 1 and lower pump body 2 are connected by connecting bolt 51, and sealing ring 44 is provided between upper pump casing 1 and lower pump body 2,
Sealing ring 44 plays sealing and anti-leakage.
Plunger 41 is sheathed in upper pump casing 1, and the threaded upper ends of the plunger 41 are connected with percussion cap 5, and the upper end of upper pump casing 1 is provided with
Adjustment cap 6, the cross-sectional area of the work displacement=impulse stroke × plunger of the plunger 41 is adjustable by adjustment cap 6
The size of impulse stroke, water yield is also big when stroke is big, and the explosive thrust of generation is also big, so as to control the big of the nailing dynamics of rifle
It is small.
Tap and be provided with plunger return spring 40 between cap 5 and adjustment cap 6, plunger return spring 40 can retract plunger 41
Original position.
Bushing 45 and seal 46 are provided between upper pump casing 1 and plunger 41, seal 46 seals, can be O-shaped
The sealing ring and material of circle or other forms.The material manufacture of wear-resisting and waterproof of bushing 45, positioned at the top of seal 46, bushing
45 effects are the axialities for improving plunger 41 and seal 46, to improve the sealing effectiveness of seal 46, also reduce seal 46
Abrasion.
Be provided with fairlead 42 between adjustment cap 6 and plunger 41, the fairlead 42 when plunger 41 moves up and down from be oriented to
Effect, fairlead 42 is made using wear-resisting material.
Working chamber 50 is formed between the plunger 41 and upper pump casing 1 and/or lower pump body 2.
Preloading spring 43 is provided between adjustment cap 6 and upper pump casing 1, preloading spring 43 can strengthen the feel of adjustment cap 6.
Lower pump body 2 is provided with outlet valve 3, water intaking valve 4 and evacuation valve 7.
Water intaking valve 4 connects working chamber 50 by inlet channel 52, and water intaking valve 4 is check valve, and water can only enter can not be gone out.Water intaking valve
4 connect to form runner by water pipe and water tank.Water intaking valve 4 includes valve seat 80, valve element 81 and back-moving spring 82.The valve seat 80 with
Valve element 81 has a sealing surface, is adjacent in the precompression lower valve base 80 of back-moving spring 82 and the sealing surface of valve element 81, works as work
When there is vacuum in chamber 50, valve element 81 overcomes the active force of back-moving spring 82 to open under atmospheric pressure effect, the water of water inlet pipe just by
In suction pump working chamber 50, when working chamber 50 has high pressure, valve seat 80 and valve element 81 are just close to and are sealed, and water can not be revealed, and rise
The effect of check valve.
Outlet valve 3 by water outlet 53 connect working chamber 50, outlet valve 3 include water inlet 60, delivery port 67, valve seat 61,
Valve element 62, gag lever post 63, back-moving spring 64, valve body 65, locking nut 66 and outlet pipe 68.One end connecting valve seat 61 of valve body 65,
The other end connects and valve element 62 is provided with outlet pipe 68, valve seat 61, the one end of valve element 62 connection water inlet 60, other end connection gag lever post
63, the gag lever post 63 is located in valve body 65, and 63 position-limiting actions of gag lever post prevent valve element from being taken off from valve seat.Locking screw
Female 66 are used to fasten outlet pipe 68.
The valve seat 61 and valve element 62 are couple cooperation, and fit clearance is 0.001~0.003mm, and valve element 62 has one to lack platform
69, only valve element 62 lacks platform 69 when exposing valve seat 61 under water pressure pushing, and water under high pressure could flow out when also just saying that stroke is more than m, m
It is displacement stroke.When water pressure reduces, back-moving spring 64 promotes the return of valve element 62, and one is now formed in the inner chamber of valve body 65
Void volume, the water of this void volume must be supplemented by the water in delivery port 67 and outlet pipe 68, this void volume=displacement row
The sectional area of journey m × valve element 62, leaves minimal amount of water and is unlikely to what is come by high-temperature part transmission in the pipeline of such outlet pipe 68
Heat of vaporization is fallen, and injection flow rate is inadequate when causing impact next time.Such structure makes high-pressure hydraulic pump no matter when beating every time
The water for going out is impartial, it is ensured that nailing dynamics is also all.
The scarce platform 69 of the valve element 62 can have diversified forms, or cross short slot or spiral short slot.
When having air in the pump working chamber 50, water pump can not normally absorb water work, so air must be discharged.
The evacuation valve 7 is used to discharge the air in working chamber 50, and the evacuation valve 7 includes valve body 70 and valve element 71.Set in valve body 70
There is a valve element 71, valve element 71 is provided with holddown spring 72, valve body 70 has a sealing cone with valve element 71, as long as external force is by 71 grams of valve element
Take the top of holddown spring 72 to open, the air in water pump can just be extracted out using vacuum.The evacuation valve 7 can also be with outside pumping
Device is integrated in gun body, more convenient when using.The evacuation valve 7 be connected through a screw thread the lower pump body 2 of water pump with
Working chamber 50 is connected.
When using, when hammer is beaten water pump by operator taps cap 5, it is high that plunger 41 presses the water for hitting high pressure chest 50 to produce
Pressure, water under high pressure enters blast in steam power generator (system) and produces high temperature through water pump water outlet valve 3, high-pressure water pipe and water inlet pipe
High steam.
Above-described embodiment is the illustration or explanation to technical solution of the present invention, and be should not be construed as to skill of the present invention
The limitation of art scheme, it is clear that those skilled in the art can carry out various modifications and variations without deviating from the present invention to the present invention
Spirit and scope.If these modifications and modification belong within the scope of the claims in the present invention and its equivalent technologies, then originally
Invention is also comprising these modifications and modification.
Claims (7)
1. a kind of high-pressure hydraulic pump, including upper pump casing, lower pump body, outlet valve, water intaking valve, plunger, fairlead, inlet channel, water outlet
And evacuation valve；
The upper pump casing and lower pump body are connected by connecting bolt, and sealing ring is provided between upper pump casing and lower pump body；
In upper pump casing, its upper end is threaded with percussion cap to the plunger bushing, and upper pump casing upper end is provided with adjustment cap；
Plunger return spring is provided between the percussion cap and adjustment cap；
Seal between the upper pump casing and plunger；
Working chamber is formed between the plunger and upper pump casing and/or lower pump body；
The lower pump body is provided with outlet valve, water intaking valve and evacuation valve；
The water intaking valve connects working chamber by inlet channel, and water intaking valve is check valve；
The outlet valve connects working chamber by water outlet；
The evacuation valve is connected through a screw thread lower pump body and is connected with working chamber.
2. high-pressure hydraulic pump according to claim 1, it is characterised in that the water intaking valve includes valve seat, valve element and reset bullet
Spring, the valve seat has a sealing surface with valve element, is adjacent in the precompression lower valve base of back-moving spring and the sealing surface of valve element；
The outlet valve includes water inlet, delivery port, valve seat, valve element, gag lever post, back-moving spring, valve body, locking nut and water outlet
Pipe, described valve body one end connecting valve seat, other end connection outlet pipe is provided with valve element in valve seat, valve element one end connects water inlet, separately
One end connects gag lever post, and the gag lever post is located in valve body；The valve seat and valve element are couple cooperation, and fit clearance is 0.001
~0.003mm, valve element has one to lack platform；
The evacuation valve includes valve body and valve element, and valve element is provided with valve body, and valve element is provided with holddown spring, and valve body has one with valve element
Sealing cone.
3. high-pressure hydraulic pump according to claim 2, it is characterised in that bushing, the lining are provided with above the seal
Apply mechanically the material manufacture of wear-resisting and waterproof.
4. high-pressure hydraulic pump according to claim 3, it is characterised in that be provided with fairlead between the adjustment cap and plunger,
The fairlead is made using wear-resisting material.
5. high-pressure hydraulic pump according to claim 4, it is characterised in that pretension bullet is provided between the adjustment cap and upper pump casing
Spring.
6. high-pressure hydraulic pump according to claim 5, it is characterised in that the seal is O-ring.
7. high-pressure hydraulic pump according to claim 6, it is characterised in that the scarce platform of the valve element is that cross short slot or spiral lack
Groove.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354531.0A CN105275765B (en) | 2014-07-24 | 2014-07-24 | A kind of high-pressure hydraulic pump |
| US14/550,649 US9777725B2 (en) | 2014-07-24 | 2014-11-21 | High pressure water pump |
| PCT/CN2015/082161 WO2016011868A1 (en) | 2014-07-24 | 2015-06-24 | High-pressure water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354531.0A CN105275765B (en) | 2014-07-24 | 2014-07-24 | A kind of high-pressure hydraulic pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105275765A CN105275765A (en) | 2016-01-27 |
| CN105275765B true CN105275765B (en) | 2017-06-16 |
Family
ID=55145387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410354531.0A Active CN105275765B (en) | 2014-07-24 | 2014-07-24 | A kind of high-pressure hydraulic pump |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105275765B (en) |
| WO (1) | WO2016011868A1 (en) |
Family Cites Families (14)
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| GB1257781A (en) * | 1968-03-08 | 1971-12-22 | ||
| CN2237737Y (en) * | 1994-12-28 | 1996-10-16 | 西安仪表厂 | Hand-hydraulic pump |
| JP2003227460A (en) * | 2002-02-06 | 2003-08-15 | Toshimichi Shimizu | Piston pump |
| JP2004353623A (en) * | 2003-05-30 | 2004-12-16 | Noiberuku Kk | Liquid discharging device and method of setting its clearance size |
| CN100582484C (en) * | 2005-07-14 | 2010-01-20 | 杭州大潮石化设备有限公司 | Internal circulation pressure balance ultra high pressure hydralic diaphram type metering pump |
| FR2908843B1 (en) * | 2006-11-16 | 2009-02-27 | Rexam Dispensing Systems Sas | PUMP FOR DISPENSING A FLUID PRODUCT |
| CN101532481A (en) * | 2009-01-22 | 2009-09-16 | 罗献尧 | Mechanical type digital display metering pump |
| US8162195B2 (en) * | 2010-05-03 | 2012-04-24 | De Poan Pneumatic Corp. | Trigger valve controlling device for pneumatic nail gun |
| CN201884235U (en) * | 2010-07-28 | 2011-06-29 | 德帕姆(杭州)泵业科技有限公司 | Diaphragm type metering pump used for conveying high-temperature and high-pressure medium |
| CN201874798U (en) * | 2010-11-12 | 2011-06-22 | 无锡市凯龙汽车设备制造有限公司 | Pressure regulation device for dosing pump |
| US9174332B2 (en) * | 2012-01-06 | 2015-11-03 | Stanley Fastening Systems, L.P. | Fastening tool having an interchangeable power source |
| CN202659465U (en) * | 2012-06-02 | 2013-01-09 | 范学齐 | Flow-adjustable hydraulic diaphragm metering pump |
| CN203584706U (en) * | 2013-08-20 | 2014-05-07 | 米顿罗工业设备（上海）有限公司 | Middle-high pressure outlet plunger pump head structure for metering pump |
| CN204024950U (en) * | 2014-07-24 | 2014-12-17 | 台州市大江实业有限公司 | A kind of high-pressure water pump |
-
2014
- 2014-07-24 CN CN201410354531.0A patent/CN105275765B/en active Active
-
2015
- 2015-06-24 WO PCT/CN2015/082161 patent/WO2016011868A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016011868A1 (en) | 2016-01-28 |
| CN105275765A (en) | 2016-01-27 |
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