CN209212969U - A kind of sealing device of hydraulic pump - Google Patents
A kind of sealing device of hydraulic pump Download PDFInfo
- Publication number
- CN209212969U CN209212969U CN201821813378.3U CN201821813378U CN209212969U CN 209212969 U CN209212969 U CN 209212969U CN 201821813378 U CN201821813378 U CN 201821813378U CN 209212969 U CN209212969 U CN 209212969U
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- CN
- China
- Prior art keywords
- outlet
- hydraulic pump
- sucking pipe
- flange
- fuel sucking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007789 sealing Methods 0.000 title claims abstract description 31
- 239000000446 fuel Substances 0.000 claims abstract description 37
- 239000002828 fuel tank Substances 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 39
- 239000010720 hydraulic oil Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Fuel-Injection Apparatus (AREA)
Abstract
The utility model provides a kind of sealing device of hydraulic pump, it include: hydraulic pump ontology, hydraulic pump ontology is mounted on above fuel tank, the top of hydraulic pump ontology is oil outlet, oil outlet is fixedly connected by fastening screw with outlet(discharge) flange, outlet(discharge) flange is equipped with flowline, outlet(discharge) flange with seal assembly is installed on the contact surface of hydraulic pump ontology, seal assembly includes rubber body and U-shaped spring, U-shaped spring is enclosed with inside rubber body, the side of hydraulic pump ontology is equipped with inlet port, fuel sucking pipe is installed at inlet port, inlet flange by screw in compression fuel sucking pipe and be fastenedly connected at inlet port, seal assembly is installed at the T-type mouth of fuel sucking pipe, the other end of fuel sucking pipe is inserted into fuel tank internal, service life with sealing ring improves, air in fuel tank will not be sucked pump body during oil suction by hydraulic pump, no It will lead to the effect of cavitation generation.
Description
Technical field
The utility model belongs to technical field of hydraulic pressure, in particular to a kind of sealing device of hydraulic pump.
Background technique
Hydraulic pump is the dynamical element of hydraulic system, is that oil is sucked from hydraulic oil container by engine or motor drive
Liquid forms pressure oil discharge, is sent to a kind of element of executive component.Hydraulic pump is divided into gear pump, plunger pump, vane pump by structure
And screw pump.The working principle of hydraulic pump is the variation that movement brings pump chamber, so that compression fluid makes fluid have pressure
Energy.Traditional hydraulic pump can generate heat in the course of work, will lead to sealing ring failure over time, in follow-up work process
In, because sealing ring fails, the air in fuel tank can be sucked pump body during oil suction by hydraulic pump, thus
Lead to cavitation, and then influences the service life of hydraulic pump, it is serious to will lead to accident, so hydraulic pump is close
Sealing property quality influences the service life of hydraulic pump very big.
Utility model content
The purpose of this utility model is to solve because sealing ring fails, and meeting will be oily during oil suction for hydraulic pump
Air in case sucks pump body, so as to cause cavitation generation, and then influences the service life of hydraulic pump, serious meeting
The technical issues of causing the accident, provides a kind of sealing device of hydraulic pump, and the service life with sealing ring improves, can
To guarantee that hydraulic pump does not have to replace sealing ring in use, hydraulic pump will not be by the air in fuel tank during oil suction
Pump body is sucked, not will lead to the effect of cavitation generation.
Technical solution provided by the utility model are as follows:
A kind of sealing device of hydraulic pump, comprising: hydraulic pump ontology, the hydraulic pump ontology are mounted on above fuel tank, institute
The top for stating hydraulic pump ontology is oil outlet, and the oil outlet is fixedly connected by fastening screw with outlet(discharge) flange, it is described out
Mouthful flange is equipped with flowline, the outlet(discharge) flange with seal groove, the seal groove are equipped on the contact surface of hydraulic pump ontology
On the outside of flowlines, seal assembly, the outlet(discharge) flange and oil outlet are installed on the seal groove and sealed by seal assembly,
The seal assembly includes rubber body and U-shaped spring, and U-shaped spring is enclosed with inside the rubber body, the hydraulic pump ontology
Side is equipped with inlet port, is equipped with fuel sucking pipe at the inlet port, and the contact position of the fuel sucking pipe and inlet port is T-type mouth, enters
Mouthful flange by screw in compression fuel sucking pipe and be fastenedly connected at inlet port, equipped with seal groove, institute at the T-type mouth of the fuel sucking pipe
State and seal assembly be installed on seal groove, the fuel sucking pipe and inlet port by seal assembly sealing, the fuel sucking pipe it is another
End insertion fuel tank internal.
Preferably, the flowline and oil outlet are coaxial, and the internal diameter of flowline is greater than the outer diameter of oil outlet, the suction
Oil pipe is coaxial with inlet port, and the internal diameter of fuel sucking pipe is less than the outer diameter of inlet port.
Preferably, the oblique angle that portions end of the fuel sucking pipe in fuel tank is 45 °.
Preferably, the side of the outlet(discharge) flange is equipped with outlet sense channel, the outlet sense channel and outlet method
Blue bottom surface connection, one end of the outlet sense channel are equipped with outlet alarm, the side of the inlet flange be equipped with into
Mouth sense channel, the entrance sense channel are connected to the bottom surface of inlet flange, and one end of the entrance sense channel is equipped with
Entrance alarm.
Preferably, the fuel sucking pipe is stainless steel tube.
The beneficial effects of the utility model embody in the following areas:
1, the service life of sealing ring improves.
2, sealing ring can be with automatic compensation sealing.
3, guarantee that hydraulic pump does not have to replace sealing ring in use, hydraulic pump will not be by fuel tank during oil suction
Interior air sucks pump body, not will lead to cavitation.
Detailed description of the invention
Fig. 1 is the main view of the utility model.
Fig. 2 is the partial enlarged view of the oil outlet of the utility model.
Fig. 3 is the partial enlarged view at the inlet port of the utility model.
Cross-sectional view when Fig. 4 is seal assembly normal condition.
In figure: 1 hydraulic pump ontology, 2 outlet alarms, 3 outlet sense channels, 4 outlet(discharge) flanges, 5 flowlines, 6 fastening spiral shells
Nail, 7 seal assemblies, 70 rubber bodies, 71U type spring, 8 entrance alarms, 9 entrance sense channels, 10 inlet flanges, 11 oil suctions
Pipe, 12 fuel tanks.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
As shown in Figs 1-4, the utility model provides a kind of sealing device of hydraulic pump, comprising: hydraulic pump ontology 1, institute
It states hydraulic pump ontology 1 and is mounted on 12 top of fuel tank, the top of the hydraulic pump ontology 1 is oil outlet, and the oil outlet passes through
Fastening screw 6 is fixedly connected with outlet(discharge) flange 4, and the outlet(discharge) flange 4 is equipped with flowline 5, and flowline 5 and external mechanical connect
Connect, and pressure oil be provided, provide power for external mechanical, the outlet(discharge) flange 4 be equipped on the contact surface of hydraulic pump ontology 1
Seal groove, the seal groove are equipped with seal assembly 7 on the outside of flowline 5, the seal groove, the outlet(discharge) flange 4 with go out
Hydraulic fluid port is sealed by seal assembly 7, is guaranteed that the pressure oil from pump body can be fully sealed in seal assembly 7, is unlikely to make
Pressure oil leaks, and the seal assembly 7 includes rubber body 70 and U-shaped spring 71, is enclosed with U-shaped spring inside the rubber body 70
71, U-shaped spring 71 has spring performance, and when seal assembly 7 seals oil outlet, outlet(discharge) flange 4 can compress seal assembly 7,
And then cause rubber body 70 and U-shaped spring 71 to deform, to achieve the purpose that sealing, hydraulic pump ontology 1 in long-play,
Heat can be generated, rubber body 70 is will lead to over time and is plastically deformed, so as to cause oil leak, gas leakage is U-shaped by being arranged
Spring 71, can play supplementary function to rubber body 70, and U-shaped spring 71 can supplement what rubber body 70 was generated by plastic deformation
Gap may finally guarantee seal assembly 7 always in sealing state, avoid due to rubber body 70 occurs to be plastically deformed
The phenomenon that oil leak, the side of the hydraulic pump ontology 1 are equipped with inlet port, are equipped with fuel sucking pipe 11, the suction at the inlet port
The contact position of oil pipe 11 and inlet port is T-type mouth, and inlet flange 10 is fastened by screw in compression fuel sucking pipe 11 and at inlet port
It connects, seal groove is equipped at the T-type mouth of the fuel sucking pipe 11, seal assembly 7, the seal assembly are installed on the seal groove
7 include rubber body 70 and U-shaped spring 71, and by the way that U-shaped spring 71 is arranged, supplementary function, U-shaped spring 71 can be played to rubber body 70
The gap that rubber body 70 is generated by plastic deformation can be supplemented, may finally guarantee seal assembly 7 always in seal shape
State avoids that oil leak occurs because rubber body 70 is there is a phenomenon where plastic deformation, so as to avoid hydraulic pump due to oil leak, gas leakage
Cavitation occurs, ensure that the service life of hydraulic pump, the fuel sucking pipe 11 is sealed with inlet port by seal assembly 7, institute
It states inside the other end insertion fuel tank 12 of fuel sucking pipe 11, it is ensured that hydraulic pump sucks the liquid inside fuel tank 12 by fuel sucking pipe 11
Pressure oil.
Specific work process are as follows: hydraulic pump operation is driven by external motor, hydraulic pump sucks fuel tank by fuel sucking pipe 11
Hydraulic oil inside 12, by adjusting pressure, pressure oil is discharged from oil outlet, into external mechanical, provides for external mechanical
Power；Hydraulic pump ontology 1 can generate heat in long-play, will lead to rubber body 70 over time and plasticity change occurs
Shape, so as to cause oil leak, gas leakage can play supplementary function by the way that U-shaped spring 71 is arranged to rubber body 70, and U-shaped spring 71 can be with
The gap that supplement rubber body 70 is generated by plastic deformation may finally guarantee that seal assembly 7 in sealing state, is kept away always
Exempt from that oil leak occurs because rubber body 70 is there is a phenomenon where plastic deformation.
The flowline 5 and oil outlet are coaxial, and the internal diameter of flowline 5 is greater than the outer diameter of oil outlet, ensure that oil outlet
It is fuel-displaced completely into flowline 5, ensure that the hydraulic oil of oil outlet, the fuel sucking pipe can be fully sealed in seal assembly 7
11 is coaxial with inlet port, and the internal diameter of fuel sucking pipe 11 is less than the outer diameter of inlet port, ensure that hydraulic oil in fuel sucking pipe 5 completely into
Enter inlet port, ensure that the hydraulic oil that seal assembly 7 can be fully sealed at inlet port；The fuel sucking pipe 5 is in fuel tank 12
The oblique angle that portions end is 45 °, 45 ° of oblique angle can provide buffering for the end of fuel sucking pipe 5, avoid occurring in oil suction hydraulic
Impact avoids generating bubble, while also avoiding the generation of cavitation erosion；The side of the outlet(discharge) flange 4 is equipped with outlet sense channel
3, if seal assembly 7 fails, oil leak occurs, the oil or gas of leakage can reach outlet alarm 2 by exporting sense channel 3
On, outlet alarm 2 can sound an alarm, and staff is reminded to overhaul；The outlet sense channel 3 and outlet(discharge) flange 4
Bottom surface connection, it is described outlet sense channel 3 one end be equipped with outlet alarm 2, the side of the inlet flange 10 be equipped with into
If seal assembly 7 fails oil leak occurs for mouthful sense channel 9, the oil or gas of leakage can be reached by entrance sense channel 9 into
On mouth alarm 8, entrance alarm 8 can be sounded an alarm, and staff is reminded to carry out overhauling the entrance sense channel 9 and entrance
The bottom surface of flange 10 is connected to, and one end of the entrance sense channel 9 is equipped with entrance alarm 8；The fuel sucking pipe 11 is stainless
Steel pipe needs to guarantee that the not upper rust of fuel sucking pipe 11, stainless steel tube can satisfy the need of the utility model according to work on the spot environment
Ask, at the same draw materials conveniently, easily with replacement.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization.It can be applied to various fields suitable for the present invention completely.For those skilled in the art,
Other modifications may be easily implemented.Therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (5)
1. a kind of sealing device of hydraulic pump characterized by comprising hydraulic pump ontology, the hydraulic pump ontology are mounted on oil
Above case, the top of the hydraulic pump ontology is oil outlet, and the oil outlet connects by the way that fastening screw and outlet(discharge) flange are fixed
Connect, the outlet(discharge) flange be equipped with flowline, the outlet(discharge) flange on the contact surface of hydraulic pump ontology be equipped with seal groove, institute
Seal groove is stated on the outside of flowline, seal assembly is installed on the seal groove, the outlet(discharge) flange and oil outlet pass through sealing
Component sealing, the seal assembly includes rubber body and U-shaped spring, and U-shaped spring is enclosed with inside the rubber body, described hydraulic
The side for pumping ontology is equipped with inlet port, is equipped with fuel sucking pipe at the inlet port, and the contact position of the fuel sucking pipe and inlet port is T
Type mouth, inlet flange by screw in compression fuel sucking pipe and be fastenedly connected at inlet port, at the T-type mouth of the fuel sucking pipe be equipped with it is close
Sealing groove is equipped with seal assembly, the fuel sucking pipe and inlet port on the seal groove and passes through seal assembly sealing, the fuel sucking pipe
The other end be inserted into fuel tank internal.
2. a kind of sealing device of hydraulic pump according to claim 1, which is characterized in that the flowline and oil outlet are same
Axis, and the internal diameter of flowline is greater than the outer diameter of oil outlet, the fuel sucking pipe and inlet port are coaxial, and the internal diameter of fuel sucking pipe is less than suction
The outer diameter of hydraulic fluid port.
3. a kind of sealing device of hydraulic pump according to claim 1, which is characterized in that the fuel sucking pipe is in fuel tank
The oblique angle that portions end is 45 °.
4. a kind of sealing device of hydraulic pump according to claim 1, which is characterized in that the side of the outlet(discharge) flange is set
There is outlet sense channel, the outlet sense channel is connected to the bottom surface of outlet(discharge) flange, one end peace of the outlet sense channel
Equipped with outlet alarm, the side of the inlet flange is equipped with entrance sense channel, the entrance sense channel and inlet flange
Bottom surface connection, one end of the entrance sense channel is equipped with entrance alarm.
5. a kind of sealing device of hydraulic pump according to claim 1, which is characterized in that the fuel sucking pipe is stainless steel
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821813378.3U CN209212969U (en) | 2018-11-02 | 2018-11-02 | A kind of sealing device of hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821813378.3U CN209212969U (en) | 2018-11-02 | 2018-11-02 | A kind of sealing device of hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209212969U true CN209212969U (en) | 2019-08-06 |
Family
ID=67458240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821813378.3U Active CN209212969U (en) | 2018-11-02 | 2018-11-02 | A kind of sealing device of hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209212969U (en) |
-
2018
- 2018-11-02 CN CN201821813378.3U patent/CN209212969U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Sealing device of hydraulic pump Effective date of registration: 20221116 Granted publication date: 20190806 Pledgee: Bank of China Limited Dalian Shahekou Sub branch Pledgor: Dalian Hutan Machinery Co.,Ltd. Registration number: Y2022210000200 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231229 Granted publication date: 20190806 Pledgee: Bank of China Limited Dalian Shahekou Sub branch Pledgor: Dalian Hutan Machinery Co.,Ltd. Registration number: Y2022210000200 |