CN204553138U - A kind of manual simplified hydraulic test pump - Google Patents
A kind of manual simplified hydraulic test pump Download PDFInfo
- Publication number
- CN204553138U CN204553138U CN201420802019.3U CN201420802019U CN204553138U CN 204553138 U CN204553138 U CN 204553138U CN 201420802019 U CN201420802019 U CN 201420802019U CN 204553138 U CN204553138 U CN 204553138U
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- China
- Prior art keywords
- pump housing
- screw rod
- plunger
- hole
- hydraulic test
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Abstract
The utility model discloses a kind of manual simplified hydraulic test pump, comprise rotating disk, screw rod, the pump housing, U-shaped pin, steel ball, plunger, pressure gauge.Rotating disk is connected with the rear end of screw rod.The interior threaded hole of screw rod and the pump housing matches.Plunger is installed in the pump housing, and becomes the motive sealing that can move axially to coordinate with it.The front end of screw rod is connected with steel ball by U-shaped pin with the rear end of plunger, and screw rod and plunger can axially relatively rotate, cannot axial relative movement.Pump housing front end has paddle hole, and paddle hole is equipped with pressure gauge.Blocking paddle hole, can form confined space in pump housing front portion.Screwing rotating disk can drive screw rod to rotate, and changed with motion by the transmission of U-shaped pin and steel ball, plunger can be similar to moving axially of irrotationality vertically.Loss, the energy consumption of the transmission of the utility model moment are less, without the need to installing one-way valve, not fragile; Structure is simple, residuary waters Evacuable; Boosting efficiency is high, reliable and stable.
Description
Technical field
The utility model relates to a kind of manual pressure test pump, particularly relates to a kind of easy, screw-on manual pressure test pump.
Background technique
In the design of multiple bearing structure part, all need to carry out hydraulic pressure test: provide certain pressure to pressure-bearing product, examine structural member.Manual pressure test pump because its floor space is little, convenient in carrying, simple to operate and be widely used in various hydraulic pressure test.At present, the Maximum operating pressure of manual pressure test pump can reach 800kg/cm
2, at 0 ~ 800kg/cm
2interior any stage can select certain force value to do hydraulic pressure test.
Traditional manual pressure test pump is made up of the pump housing, piston, inlet valve, outlet valve, pressure gauge etc.Its working principle is that inlet valve is opened when outwards (relative to the pump housing) moves piston, and liquid injects, when inwardly (relative to the pump housing) moves plunger, outlet valve is opened, delivery pressure liquid, and enter measured device, realize the hydraulic pressure test of rated pressure.
Current manual pressure test pump has pressure bar type and screw-on, mostly generally is vertical structure, and inlet and outlet pipe separately, and is all equipped with one-way valve.There is the hydraulic test pump of inlet and outlet pipe: the one-way valve frequent movement when liquid injection, output, fragile; Pipeline structure is complicated, and residuary waters is Evacuable not, and dismounting, maintenance difficult.The piston of screw-on hydraulic test pump does rotational motion to linear motion, and manipulation is convenient, but Sealing is easy to wear.Vertical structure (compared to horizontal type structure) can produce unnecessary energy consumption.
Model utility content
In order to solve, the manipulation of traditional manual hydraulic test pump is inconvenient, wearing and tearing greatly, easily produce unnecessary energy consumption, pipeline structure complexity, flimsy problem.The utility model provides a kind of easy, screw-on manual pressure test pump.
In order to solve the problems of the technologies described above, adopt following technological scheme:
A kind of manual simplified hydraulic test pump, comprises rotating disk, screw rod, the pump housing, U-shaped pin, steel ball, plunger, pressure gauge.Working medium is liquid, can be used for the pressure test of water, wet goods medium.
Rotating disk is connected with the rear end of screw rod.The rear end of the pump housing has interior threaded hole, and the interior threaded hole of screw rod and the pump housing matches.Plunger is installed in the pump housing, and plunger and the pump housing form motive sealing and coordinate, and can move axially.The front end of screw rod is connected with steel ball by U-shaped pin with the rear end of plunger, and screw rod and plunger can axially relatively rotate, cannot axial relative movement.Pump housing front end has paddle hole, and paddle hole is equipped with pressure gauge.Blocking paddle hole, can form confined space in pump housing front portion.Paddle hole can be a hole, and pressure gauge is arranged on the side of paddle hole by meter connector, and the pipeline that apical pore matches by conversion adapter and measured device is connected.
Screwing rotating disk can drive screw rod to rotate, and makes it move axially.Changed with motion by the transmission of U-shaped pin and steel ball, plunger can be similar to moving axially of irrotationality vertically.Screw rod backward, when moving forward, U-shaped pin, steel ball play primary drive effect respectively.
The manual simplified hydraulic test pump of the utility model, survives the fore and aft motion of plunger along pump housing axis by the spiral motion conversion of rotating disk and screw rod, reduces the loss that moment is transmitted, reduce energy consumption; Without the need to installing one-way control valve, not fragile; Internal duct structure is simple, and in the pump housing, residuary waters is easily emptying; Boosting efficiency is high, reliable and stable.
Accompanying drawing explanation
Be described further below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of the utility model manual pressure test pump;
Fig. 2 is that the screw rod of the utility model manual pressure test pump and plunger assemble schematic diagram;
Fig. 3 is screw rod and the plunger assembling place sectional view of the utility model manual pressure test pump.In figure: 1 rotating disk; 2 screw rods; 3 pump housings; 4U type pin; 5 steel balls; 6 plungers; 7 conversion adapters; 8 meter connectors; 9 pressure gauges; 10 bases; 11 intake-outlets.
Embodiment
As shown in Figure 1, a kind of manual simplified hydraulic test pump of the utility model comprises rotating disk 1, screw rod 2, the pump housing 3, U-shaped pin 4, steel ball 5, plunger 6, pressure gauge 9.
As shown in Figure 1, with the side near pressure gauge 9 for front, otherwise be rear.As herein described to move axially with axial rotation all with the axis of the pump housing 3 for benchmark.
As shown in Figure 1, rotating disk 1 is connected with the rear end of screw rod 2.The rear end of the pump housing 3 has interior threaded hole, and screw rod 2 matches with the interior threaded hole of the pump housing 3.Plunger 6 is installed in the pump housing 3, and plunger 6 forms motive sealing with the pump housing 3 and coordinates, and can move axially.
As shown in Figure 1, Figure 2, Figure 3 shows, the front end of screw rod 2 is connected with steel ball 5 by U-shaped pin 4 with the rear end of plunger 6: side, screw rod 2 front end has annular groove; The rear end of plunger 6 is concave inward structure, and its side has pin-and-hole; The concave inward structure of plunger 6 is inserted in the front end of screw rod 2, and both end faces pass through the mating spherical surfaces of steel ball 5; The annular groove of screw rod 2 coordinates with the pin-and-hole of plunger 6 and forms through hole; The through hole that U-shaped pin (4) is formed through described plunger (6) and described screw rod (2), connecting screw rod 2 and plunger 6; Screw rod 2 and plunger 6 can axially relatively rotate, cannot axial relative movement.
As shown in Figure 1, the pump housing 3 front end has paddle hole 11, paddle hole 11 is equipped with pressure gauge 9.Blocking paddle hole 11, can form confined space in the pump housing 3 front portion.Paddle hole 11 can be a hole, and pressure gauge 9 is arranged on the side of paddle hole 11 by meter connector 8, and the pipeline that apical pore matches by conversion adapter 7 and measured device is connected.The pump housing 3 can be horizontal for being set to, and with easy-to-operat, reduces unnecessary energy consumption.The pump housing 3 can be arranged on base 10, and base 10 plays fixation test pump, bears the effect of moment.
As shown in Figure 1, screw rotating disk 1 and screw rod 2 can be driven to rotate, and make it move axially.Changed with motion by the transmission of U-shaped pin 4 and steel ball 5, plunger 6 can be similar to moving axially of irrotationality vertically.Screw rod 2 backward, when moving forward, U-shaped pin 4, steel ball 5 play primary drive effect respectively.Adopt the connection of U-shaped pin 4 and steel ball 5, its surface of contact is little, and the frictional force thus and between screw rod 2 and plunger 6 is also less, can reduce the energy loss in transmission conversion.
In actual pressure process of the test, first pressure gauge 9 takes off from meter connector 8 by operator, and is blocked with plug by meter connector 8.The front end that plunger 6 is pushed to the pump housing 3 by dish 1 is twisted in dextrorotation, is close to the paddle hole 11 of the pump housing 3 front end end face.The pipeline that conversion adapter 7 and measured device match is connected.Supporting for measured device pipeline access is filled in the container of liquid.Screw rotating disk 1 counterclockwise to be pulled back by plunger 6, form low pressure cavity in the front portion of the pump housing 3, liquid is inhaled into, and completes filling process.Then, take off plug from meter connector 8, change the outfit pressure gauge 9, at measured device supporting pipeline access measured device.Open the Decompression valves of pressure gauge 9, dextrorotation is twisted dish 1 and is pushed away forward by plunger 6, when the Decompression valves to pressure gauge 9 has water to discharge, closes Decompression valves, completes exhaust event.Whether checking table joint 8 is reliably connected with pressure gauge 9, checks whether conversion adapter 7 is reliably connected with measured device, can carry out pressure test test after inspection.Continue dextrorotation and twist dish 1, in the Seal cage of the pump housing 3 and the pressure increase of measured device pipeline, the pressure of measured device is shown in real time by pressure gauge 9, after reaching predetermined pressure, stops screwing rotating disk 1, starts pressurize.Open the Decompression valves of pressure gauge 9 after pressurize terminates, high pressure water is discharged.After pressure release terminates, remove measured device and pressure gauge 9, superfluous water in hydraulic test pump is discharged.
These are only specific embodiment of the utility model, but this uses novel technical characteristics to be not limited thereto.Any based on the utility model; for solving substantially identical technical problem, realizing substantially identical technique effect, realizing substantially identical technique effect; done ground simple change, be equal to replacement or modification etc., all contain with protection domain of the present utility model among.
Claims (5)
1. a manual simplified hydraulic test pump, comprises rotating disk (1), screw rod (2), the pump housing (3), plunger (6), pressure gauge (9); Described rotating disk (1) is connected with the rear end of described screw rod (2); The rear end of the described pump housing (3) has interior threaded hole, and described screw rod (2) matches with the interior threaded hole of the described pump housing (3); Described plunger (6) is installed in the described pump housing (3), is connected with described screw rod (2), and forms motive sealing with the described pump housing (3) and coordinate, and can move axially along the described pump housing (3); There is intake-outlet (11) front end of the described pump housing (3), described pressure gauge (9) described intake-outlet (11) is equipped with, block described paddle hole (11), confined space can be formed in the described pump housing (3) front portion;
It is characterized in that: the side, front end of described screw rod (2) has annular groove; The rear end of described plunger (6) is concave inward structure, and its side has pin-and-hole; The concave inward structure of described plunger (6) is inserted in the front end of described screw rod (2), and both end faces pass through the mating spherical surfaces of steel ball (5); The annular groove of described screw rod (2) coordinates with the pin-and-hole of described plunger (6) and forms through hole, and described plunger (6), through described through hole, is connected with described screw rod (2) by U-shaped pin (4).
2. manual simplified hydraulic test pump according to claim 1, is characterized in that: the intake-outlet (11) of the described pump housing (3) is same hole.
3. manual simplified hydraulic test pump according to claim 2, it is characterized in that: described pressure gauge (9) is contained in the side of intake-outlet (11) by meter connector (8), the end face of intake-outlet (11) is equipped with conversion adapter (7).
4. manual simplified hydraulic test pump according to any one of claim 1 to 3, is characterized in that: the described pump housing (3) is for horizontal.
5. according to the manual simplified hydraulic test pump described in claim 4, it is characterized in that: the described pump housing (3) is fixed on base (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420802019.3U CN204553138U (en) | 2014-12-18 | 2014-12-18 | A kind of manual simplified hydraulic test pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420802019.3U CN204553138U (en) | 2014-12-18 | 2014-12-18 | A kind of manual simplified hydraulic test pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204553138U true CN204553138U (en) | 2015-08-12 |
Family
ID=53828259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420802019.3U Expired - Fee Related CN204553138U (en) | 2014-12-18 | 2014-12-18 | A kind of manual simplified hydraulic test pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204553138U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802219A (en) * | 2016-11-30 | 2017-06-06 | 中车齐齐哈尔车辆有限公司 | The test device and hydraulic test method of rail wagon brake cylinder |
| CN110657080A (en) * | 2019-09-10 | 2020-01-07 | 河南科技大学 | Double-speed manual pressure pump for hydraulic device of short-stroke hydraulic cylinder |
-
2014
- 2014-12-18 CN CN201420802019.3U patent/CN204553138U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802219A (en) * | 2016-11-30 | 2017-06-06 | 中车齐齐哈尔车辆有限公司 | The test device and hydraulic test method of rail wagon brake cylinder |
| CN110657080A (en) * | 2019-09-10 | 2020-01-07 | 河南科技大学 | Double-speed manual pressure pump for hydraulic device of short-stroke hydraulic cylinder |
| CN110657080B (en) * | 2019-09-10 | 2022-02-15 | 河南科技大学 | Double-speed manual pressure pump for hydraulic device of short-stroke hydraulic cylinder |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20171218 |