CN2031847U - Single-cylinder superhigh pressure hand-operated pressure-testing pump - Google Patents
Single-cylinder superhigh pressure hand-operated pressure-testing pump Download PDFInfo
- Publication number
- CN2031847U CN2031847U CN 88218086 CN88218086U CN2031847U CN 2031847 U CN2031847 U CN 2031847U CN 88218086 CN88218086 CN 88218086 CN 88218086 U CN88218086 U CN 88218086U CN 2031847 U CN2031847 U CN 2031847U
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- pressure
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- pump
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- release
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Abstract
The utility model relates to a single-cylinder superhigh pressure hand-operated pressure-testing pump, which is suitable for pressure containers and other mechanical product instruments to do explosion tests of water pressure, oil pressure, sealing, strength and rubber pipe fittings. The utility model comprises a handle, a water tank, a pump body, a plunger piston, seal pieces, an inlet valve, a drain valve, a pressure gauge connecting piece, a pressure relief valve, etc. The utility model is characterized in that the retaining ring of a sealing ring is arranged on the step of a pressure ring, which enhances the sealability and the voltage-stabilizing character of the pump; a pressure gauge is connected with a screw plug through an extension rod, which reduces the external dimension of the pump; a damping washer is arranged on the lower end of the extension rod, which reduces the fluctuation and impact of the pressure gauge; a stainless steel valve seat and the damping washer are arranged in the pressure relief valve, which reduces the abrasion of the pump body, and can make the indicating needle of the pressure gauge drop down steadily.
Description
The utility model relates to a kind of manual pressure test pump, and it is applicable to that pressurized container and other engineering goods zero, parts, instrument etc. do the explosive test of hydraulic pressure, oil pressure, sealing, intensity and rubber tube and use.
In the prior art, the hydraulic test pump that has Haimen, Zhejiang and Sichuan tube sun to produce at present, it is by water tank, handle, plunger, the pump housing, partly form into and out of water valve and pressure release valve etc.This hydraulic test pump is because on pressure ring above the outlet valve, there is not the seal ring ring washer, seal ring is extruded under the situation of ultrahigh pressure easily, therefore sealing and voltage stabilizing have been influenced, its pressure range can only be in 6MPa-130MPa, again because of the pressure gauge link adopts gas cylinder, and boundary dimension is increased, the inconvenience transportation.In the our factory application number is 88212212.6 twin-tub motor test pump, also because on pressure ring above the outlet valve, there is not backup ring, maximum pressure can only be within 100MPa, the pressure gauge link adopts gas cylinder, boundary dimension is strengthened, and weight increases, directly contact at the pressure release valve needle in addition with the pump housing, accelerated the pump housing effect of attrition the working life of whole hydraulic test pump.
The objective of the invention is: by changing the pass in water outlet valve pocket and the pressure release valve
The structure at position improves pressure, dwindles the boundary dimension of pump, and it is heavy to alleviate pump, reduces the wearing and tearing of the pump housing, increases the working life of whole hydraulic test pump.
Single cylinder ultrahigh pressure manual pressure test pump of the present utility model, (plunger, Sealing, inlet valve, outlet valve, pressure gauge link and pressure release valve etc. are partly formed by handle, water tank, the pump housing.Seal ring and seal ring ring washer are housed on the pressure ring step in the water outlet valve pocket; Between pressure gauge and plug screw, adopt extension bar to connect, damping washer is housed in the lower end surface of extension bar.
On the pressure release valve nut front end step in pressure release valve, the release of pressure valve seat is housed, on release of pressure valve seat one end face step damping washer is housed, the release of pressure valve seat is to be made by resistant material (as stainless steel, plastics etc.), and the pressure range of this pump is: 6.3MPa-240MPa.
The utility model compared with prior art, because of on the pressure ring step in the water outlet valve pocket seal ring ring washer and seal ring are housed, can guarantee that seal ring is not extruded under the situation of ultrahigh pressure, the sealing and the voltage stabilizing of pump have been improved like this, because of adopting extension bar to connect plug screw and pressure gauge, dwindled the boundary dimension of pump, be convenient to transportation, damping washer is equipped with in lower end surface at extension bar, can reduce manometric fluctuation and go out, the release of pressure valve seat is housed in pressure release valve, can reduce the wearing and tearing of needle the pump housing, improved the working life of hydraulic test pump, the damping washer that is contained in release of pressure valve seat front-end face can make pressure gauge can evenly descend when pressure release.
Below in conjunction with accompanying drawing embodiment is described.
See Fig. 1,2, single cylinder ultrahigh pressure manual pressure test pump of the present utility model is to be inserted in the crotch (18) by handle (1), the two ends of crotch (18) is fixed on having strong market potential on the pump housing (3), pressing frame (19) is to be connected with crotch (18) both sides by short pin, plunger (4) is to be installed in taper pin to press frame (19) top, when the handle that fluctuates (1), by crotch (18) and pressure frame (19), drive on plunger (4) work, following motion, at plunger (4) when moving upward, make in the cylinder chamber of plunger (4) below and form partial vacuum, water in the water tank (2) or the low oil of viscosity, under atmospheric effect, pass through filter screen, backing down inlet valve (6) enters in the cylinder chamber, when plunger moves downward, the cylinder cavity pressure increases, at this moment inlet valve (6) is closed, highly pressurised liquid part in the cylinder chamber is backed down outlet valve (7), along pressure ring (11), purple Steel Washer (20) plug screw (21), the center hole of damping washer (15) enters in the extension bar (14), manometric pressure is risen gradually, another little part highly pressurised liquid, enter in the tested pressure testing container by the working joint among Fig. 3 (22), so reciprocally shake handle (1), after making pressure gauge table (27) reach the rated pressure that to measure, stop to shake, after the predetermined dwell time, pressure release valve handle (23) anticlockwise is rotated, at this moment pressure release valve screw (28) drive release of pressure needle (17) outwards withdraws from, liquid in the extension bar (14), flow through behind the damping washer (15) and release of pressure valve seat (16) in the pressure release valve (9), enter the aperture (24) of 3 φ 3mm, again through pump housing aperture (25), flow in the water tank (2), outlet valve (7) is to be contained on the valve pocket (26), they are all made with stainless steel material, valve seat trim ring (10) is housed on valve seat (26), and pressure ring (11) is to be contained on the valve seat trim ring (10), the step that is processed into (φ 20 * a 4.5) mm at the outer garden of pressure ring (a 11) end is to be used for installing seal ring ring washer (13) and seal ring (12), the effect of seal ring ring washer (13), be that seal ring (12) is not extruded when ultrahigh pressure, there is a M8 hole centre of pressure ring (11), copper washer (20) is to be contained in the step hole of plug screw (21) lower end, it has contacted pressuring action with pressure ring (11), the following part in the outer garden of extension bar (14) is processed into the screw thread of M14, be to be used for being screwed in plug screw (21) internal thread that is contained on the pump housing (3), on the lower end surface step of extension bar (14), be equipped with the rammed damping washer of copper plate (15), there is the aperture of two different-diameters in the central authorities of packing ring (15), damping washer (15) is used for the fluctuation and the impact of compensator or trimmer pressure table (27), middle part, outer garden at extension bar (14) is processed into two square, is convenient to install and uses.There is the endoporus of two different-diameters in the central authorities of extension bar (14), the step that two different-diameters are arranged again on the garden outside its top, topmost step is to be contained in the bottom of pipe joint nut (30) in step, pressure gauge (27) is contained on pipe joint nut (30) upper internal threaded, when pulling down pressure gauge (27), pipe joint nut (30) segment distance that can descend has been convenient to transport medium and small the boundary dimension of pump like this.Release of pressure needle (17) is to be contained on the pressure release valve screw (28) in pressure release valve (9), pressure release valve screw (28) is to be screwed in the release of pressure nut (29) that is contained on the pump housing (3) with screw thread, front end at pressure release valve nut (29) has the step of (φ 15 * 4) mm, be used to install release of pressure valve seat (16), the aperture of φ 2mm is processed in the central authorities of valve seat (16), release of pressure needle (17) contacts with an end of aperture and seals, avoided needle (17) diameter to contact like this with the pump housing (3), wearing and tearing have been reduced to the pump housing, the step of (φ 10.5 * 0.8) mm is processed in the other end of valve seat (16), be used to install damping washer (15), its effect is that gauge hand slowly descends in the time of making pressure release.
Number in the figure is expressed as
Handle (1) release of pressure valve seat (16)
Water tank (2) release of pressure needle (17)
The pump housing (3) crotch (18)
Plunger (4) is pressed frame (19)
Sealing (5) copper washer (20)
Inlet valve (6) plug screw (21)
Outlet valve (7) working joint (22)
Pressure gauge link (8) pressure release valve handle (23)
Pressure release valve (9) aperture (24)
Valve seat trim ring (10) pump housing aperture (25)
Pressure ring (11) valve seat (26)
Seal ring (12) pressure gauge (27)
Seal ring ring washer (13) pressure release valve screw (28)
Extension bar (14) pressure release valve nut (29)
Damping washer (15) pipe joint nut (30)
Claims (3)
1, a kind of single cylinder ultrahigh pressure manual pressure test pump, it is made up of handle [1], water tank [2], the pump housing [3], plunger [4], Sealing [5], inlet valve [6], outlet valve [7], pressure gauge link [8], pressure release valve [9], it is characterized in that: on the cylindrical step of the bottom of pressure ring [11], seal ring ring washer [13] and seal ring [12] are housed, between plug screw [21] and pressure gauge [27], be connected with extension bar [14], on the lower end surface step of extension bar [14], damping washer [15] is housed.
2, hydraulic test pump according to claim 1 is characterized in that: on the front end step of the pressure release valve nut (29) in pressure release valve (9), release of pressure valve seat (16) is housed, on an end step of release of pressure valve seat (16) damping washer (15) is housed.
3, it is characterized in that according to claim 1,2 described hydraulic test pumps: said release of pressure valve seat (16) is to be made by stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88218086 CN2031847U (en) | 1988-06-27 | 1988-06-27 | Single-cylinder superhigh pressure hand-operated pressure-testing pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88218086 CN2031847U (en) | 1988-06-27 | 1988-06-27 | Single-cylinder superhigh pressure hand-operated pressure-testing pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2031847U true CN2031847U (en) | 1989-02-01 |
Family
ID=4850546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88218086 Withdrawn CN2031847U (en) | 1988-06-27 | 1988-06-27 | Single-cylinder superhigh pressure hand-operated pressure-testing pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2031847U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179650A (en) * | 2014-08-22 | 2014-12-03 | 实用动力(中国)工业有限公司 | Ultrahigh-pressure leak-proof manual pump |
| CN107421776A (en) * | 2017-09-12 | 2017-12-01 | 云南电网有限责任公司玉溪供电局 | Transformer insulation oil sealed sampling device |
-
1988
- 1988-06-27 CN CN 88218086 patent/CN2031847U/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179650A (en) * | 2014-08-22 | 2014-12-03 | 实用动力(中国)工业有限公司 | Ultrahigh-pressure leak-proof manual pump |
| CN107421776A (en) * | 2017-09-12 | 2017-12-01 | 云南电网有限责任公司玉溪供电局 | Transformer insulation oil sealed sampling device |
| CN107421776B (en) * | 2017-09-12 | 2023-07-25 | 云南电网有限责任公司玉溪供电局 | Transformer insulating oil seal sampling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |