CN206429462U - A kind of hydraulic system - Google Patents
A kind of hydraulic system Download PDFInfo
- Publication number
- CN206429462U CN206429462U CN201720090873.5U CN201720090873U CN206429462U CN 206429462 U CN206429462 U CN 206429462U CN 201720090873 U CN201720090873 U CN 201720090873U CN 206429462 U CN206429462 U CN 206429462U
- Authority
- CN
- China
- Prior art keywords
- motor
- plunger pump
- fuel tank
- seal housing
- wall
- 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.)
- Active
Links
Landscapes
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses a kind of hydraulic system, motor and plunger pump are arranged in fuel tank, motor is arranged in motor seal housing, one end of motor seal housing is openend, the openend of motor seal inner walls is connected with the front end of motor outer wall by the first O-shaped rubber seal rings for seal, motor seal housing is fixed by the radially-arranged motor fixing screws in its leading section with motor outer wall, motor seal housing is fixed by the inwall bolt of connecting seat and fuel tank, motor seal housing is provided with power line penetration pipe, power line penetration pipe one end and the outer wall of motor seal housing are tightly connected, its other end is stretched out outside fuel tank, provided with axle rotation Glais ring between machine shaft and the positioning center hole of motor front end, sealing transmission connecting structure is set between motor and plunger pump, plunger pump is fixed with motor by plunger pump fixing screws.It has that compact conformation, noise are small, easy for installation, occupies little space, it is strong to be applicable ability, the features such as widely used.
Description
Technical field
The utility model is related to technical field of hydraulic pressure.
Background technology
The application of hydraulic transmission technology is more and more extensive, such as machine tool, engineering machinery, weaponry.Hydraulic power
Unit belongs to the core of hydraulic system, is the oil supply unit of hydraulic system, power is provided for system.Existing hydraulic power unit
Mainly include motor, valve block, valve member, hydraulic pump and fuel tank, motor is connected by valve seat with valve block, integrated installation valve on valve block
Part, motor is connected with hydraulic pump driving, motor belt motor hydrodynamic pressure pump work during work, and hydraulic pump extracts oil in fuel tank by fuel sucking pipe
Liquid, by providing driving source after all types of control valve members for hydraulic system.The hydraulic system structure applied at present is roughly divided into：
（1）Side putting type：Motor pump group is positioned over fuel tank side, pump group and fuel tank common-base；（2）On put horizontal：Motor pump group is put in
In fuel tank cap, using horizontal machine；（3）Underneath type：Fuel tank is raised, and motor pump group is positioned over below fuel tank.Its disadvantage existed
End is：Space-consuming is big, installs inconvenience, complicated, not compact, resists the ability of extreme climate environment, it is therefore necessary to
Existing hydraulic power unit is improved in selection, type selecting and structure.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of hydraulic system, and it has small volume, lightweight, carrying
The features such as facilitating.
In order to solve the above technical problems, technical solution adopted in the utility model is：
A kind of hydraulic system, including motor, valve block, valve member, hydraulic pump and fuel tank, hydraulic pump is plunger pump, motor and post
Plug pump is arranged in fuel tank, and motor is arranged in motor seal housing, and one end of motor seal housing is openend, motor seal
The openend of inner walls is connected with the front end of motor outer wall by the first O-shaped rubber seal rings for seal, and motor seal housing leads to
Cross the radially-arranged motor fixing screws in its leading section to fix with motor outer wall, motor seal housing passes through connecting seat and fuel tank
Inwall bolt is fixed, and motor seal housing is provided with power line penetration pipe, and power line penetration pipe one end is outer with motor seal housing
Wall is tightly connected, and its other end is stretched out outside fuel tank, is revolved between the positioning center hole of machine shaft and motor front end provided with axle
Turn Glais ring, provided with sealing transmission connecting structure between motor and plunger pump：The front end of motor is provided with concentric with machine shaft
Cylinder shape groove, the front end of plunger pump is provided with and Plunger Pump Shaft is concentric and circular cylindrical projection that be adapted with cylinder shape groove
Platform, machine shaft is connected with Plunger Pump Shaft by flat key, and the cylindrical boss of plunger pump front end is cylindrical recessed with motor front end
Second-Type rubber seal is provided between groove, plunger pump is fixed together with motor by plunger pump fixing screws.
The utility model further improvement is that：
Fuel tank and fuel tank cap are stainless steel, and fuel tank sidewall is provided with external manual pump inlet port, and valve block and valve member are solid
Due in fuel tank cap, valve block uses aluminium material, and valve member uses screw-in cartridge valve, and fuel tank is additionally provided with dipstick and prepressing type air-filtering
Device.
Motor seal case top is provided with handle, and the connecting seat of motor seal housing is located at its bottom.
Power line penetration pipe uses corrugated stainless steel tubing, and its other end is connected with oil tank cover sealing.
The front end face of plunger pump is provided with corresponding sealing surface with the front end face of motor.
It is using the beneficial effect produced by above-mentioned technical proposal：
Motor and plunger pump are arranged in fuel tank by the utility model, and with the addition of effective seal means, i.e.,：Motor is close
One end of capsule body is openend, and the openend of motor seal inner walls passes through the first O-shaped rubber with the front end of motor outer wall
Sealing ring is tightly connected, and motor seal housing is fixed by the radially-arranged motor fixing screws in its leading section with motor outer wall,
Motor seal housing is provided with power line penetration pipe, and power line penetration pipe one end and the outer wall of motor seal housing are tightly connected, its
The other end is stretched out outside fuel tank, provided with axle rotation Glais ring between the positioning center hole of machine shaft and motor front end, it is ensured that
The normal work of motor in immersion oil structure, oil-immersed type is reduced uses space；Motor shaft uses flat key shape with Plunger Pump Shaft
Formula is directly connected to, more compact structure, saves space；Provided with sealing transmission connecting structure between motor and plunger pump：Before motor
End is provided with the cylinder shape groove concentric with machine shaft, the front end of plunger pump be provided with Plunger Pump Shaft it is concentric and with cylinder
The cylindrical boss that groove is adapted, machine shaft is connected with Plunger Pump Shaft by flat key, the cylindrical boss of plunger pump front end
Second-Type rubber seal is provided between the cylinder shape groove of motor front end, plunger pump passes through plunger pump fixing screws with motor
It is fixed together.This close combination effectively prevent influence of the fluid to motor and plunger pump in fuel tank, use
Screw-in cartridge valve integrated oil path, has arrived ultimate attainment by its volume-diminished, and it has, and compact conformation, noise are small, easy for installation, it is empty to take
Between it is small, to be applicable ability strong, the features such as widely used.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is motor and plunger pump seal transmission connecting structure schematic diagram in Fig. 1；
Fig. 3 is power line penetration pipe and oil tank cover sealing attachment structure schematic diagram.
In the accompanying drawings：1st, valve block；2nd, valve member；3rd, fuel tank；3-1, fuel tank cap；3-2, manual pump inlet port；3-3, prepressing type
Air cleaner；3-4, dipstick；4th, plunger pump；4-1, Plunger Pump Shaft；4-2, the cylindrical boss of plunger pump front end；5th, motor is close
Capsule body；5-1, power line penetration pipe；5-2, handle；6th, the first O-shaped rubber seal；7th, the connecting seat of motor seal housing；
8th, motor；8-1, machine shaft；9th, flat key；10th, the second O-shaped rubber seal；11st, plunger pump fixing screws；12nd, axle rotates
Glais ring；13rd, motor fixing screws；14th, motor power-supply wire；15th, connector assembly；16th, round nut；17th, O-shaped rubber seal；18、
Polytetrafluoroethylene gasket；19th, electric connector；20th, the high-pressure hose being connected with plunger pump oil-out；21st, tubular type sintered type oil strain
Device.
Embodiment
The utility model is further elaborated below in conjunction with the drawings and specific embodiments.
From the embodiment shown in Fig. 1-3, the present embodiment includes motor 8, valve block 1, valve member 2, hydraulic pump and fuel tank 3,
Motor 8 and valve member 2 are powered using 24V dc sources, and hydraulic pump is plunger pump 4, and motor 8 and plunger pump 4 are arranged on fuel tank 3
Interior, motor 8 is arranged in motor seal housing 5, and one end of motor seal housing 5 is openend, the inwall of motor seal housing 5
Openend and the front end of the outer wall of motor 8 are tightly connected by the first O-shaped rubber seal 6, and motor seal housing 5 passes through its front end
The radially-arranged motor fixing screws 13 in portion are fixed with the outer wall of motor 8, and motor seal housing 5 passes through in connecting seat 7 and fuel tank 3
Wall bolt is fixed, and motor seal housing 5 is provided with power line penetration pipe 5-1, power line penetration pipe 5-1 one end and motor seal housing
5 outer wall is tightly connected, and its other end is stretched out outside fuel tank 3, between the positioning center hole of machine shaft 8-1 and the front end of motor 8
Provided with axle rotation Glais ring 12, provided with sealing transmission connecting structure between motor 8 and plunger pump 4：The front end of motor 8 be provided with
Cylinder shape groove concentric machine shaft 8-1, the front end of plunger pump 4 be provided with Plunger Pump Shaft 4-1 it is concentric and with cylinder
The cylindrical boss 4-2 that groove is adapted, machine shaft 8-1 are connected with Plunger Pump Shaft 4-1 by flat key 9, the front end of plunger pump 4
The second O-shaped rubber seal 10, plunger pump 4 and motor are provided between cylindrical boss 4-2 and the cylinder shape groove of the front end of motor 8
8 are fixed together by plunger pump fixing screws 11.
Fuel tank 3 and fuel tank cap 3-1 are stainless steel, expand its scope of application, can be under a variety of atmospheric environments
Use, the side wall of fuel tank 3 is provided with external manual pump inlet port 3-2, valve block 1 and valve member 2 are fixed on fuel tank cap 3-1, and valve block 1 is used
Aluminium material, thermally treated, surface treatment makes it possible to bear high pressure, and surface enhanced inoxidizability；Valve member 2 uses screw thread
Inserted valve, fuel tank 3 is additionally provided with dipstick 3-4 and pre-compressed air cleaner 3-3.
The top of motor seal housing 5 is provided with handle 5-2, and the connecting seat 7 of motor seal housing 5 is located at its bottom.
Power line penetration pipe 5-1 uses corrugated stainless steel tubing, and its other end is tightly connected with fuel tank cap 3-1, the power supply of motor 8
Electric connector form is used at line interface, use more facilitates, safety.
The front end face of plunger pump 4 is provided with corresponding sealing surface with the front end face of motor 8.
Detailed construction explanation：
Provided with axle rotation Glais ring 12, this sealing side between machine shaft 8-1 and the positioning center hole of the front end of motor 8
Formula can prevent fluid from being invaded via machine shaft 8-1 spaces inside motor 8；The cylindrical boss 4-2 and motor of the front end of plunger pump 4
8 front ends（The positioning spigot position of motor 8）Cylinder shape groove between be provided with the second O-shaped rubber seal 10, prevent fluid invade
Enter to motor 8 and the junction of plunger pump 4；The openend of the inwall of motor seal housing 5 passes through the first O with the front end of the outer wall of motor 8
Type rubber seal 6 is tightly connected, and motor seal housing 5 passes through the radially-arranged motor fixing screws 13 in its leading section and motor
8 outer walls are fixed, and the barrier fuselage of motor 8 is contacted with fluid；Motor seal housing 5 is provided with power line penetration pipe 5-1, power line threading
Pipe 5-1 one end and the outer wall of motor seal housing 5 are tightly connected, and its other end is stretched out outside fuel tank 3, passes through setting for above form
Meter, effectively avoids contact of the motor 8 with fluid so that motor seal housing 5 serves protective effect to motor 8.Power supply
Line penetration pipe 5-1 uses corrugated stainless steel tubing, can appropriate micro adjustment position, power line penetration pipe 5-1 is by round nut 16
And the fixed position of connector assembly 15.Connector assembly 15 is tightened with the assembling of round nut 16, and the bottom of connector assembly 15 is with depending on O below fuel tank cap 3-1
Type seal with elastometic washer；The central duct of connector assembly 15 is close again by O-shaped rubber seal with power line penetration pipe 5-1 outer surfaces
Envelope, both the above measure effectively prevent fluid through herein to the outboard leak of fuel tank 3.Installed by thread forms at the top of connector assembly 15
There is electric connector 19, facilitate the connection of user.Inlet port is left in the rear end of plunger pump 4, is integrally provided with netted filtering mouthful.To protect
The oil cleanliness of card system, the oil-out of plunger pump 4 is connected to tubular type metal oil filter 21 by high-pressure hose 20, filtering
10 μm of precision.Oil filter outlet be directly connected on valve block 1, valve block 1 be integrated with plate valve, screw-in cartridge valve, pressure measuring tie-in and
Outer hose coupler.The material of valve block 1 is aluminum component, can effectively reduce overall weight of the present utility model.Valve block 1 by surface at
Reason, can play the erosion for resisting severe atmospheric environment.The majority of valve member 2 selects screw-in cartridge valve, has more shown the utility model
Compact layout.The utility model direct current hydraulic power list can also be realized by changing the function of integrated valve member on valve block 1
The different performance of member.
Claims (5)
1. a kind of hydraulic system, including motor（8）, valve block（1）, valve member（2）, hydraulic pump and fuel tank（3）, it is characterised in that：Institute
Hydraulic pump is stated for plunger pump（4）, the motor（8）And plunger pump（4）It is arranged on fuel tank（3）It is interior, the motor（8）It is arranged on electricity
Machine seal casinghousing（5）It is interior, the motor seal housing（5）One end be openend, the motor seal housing（5）Inwall is opened
Mouth end and the motor（8）The front end of outer wall passes through the first O-shaped rubber seal（6）It is tightly connected, the motor seal housing
（5）Pass through the radially-arranged motor fixing screws in its leading section（13）With motor（8）Outer wall is fixed, the motor seal housing
（5）Pass through connecting seat（7）With the fuel tank（3）Inwall bolt fix, the motor seal housing（5）Provided with power line threading
Pipe（5-1）, the power line penetration pipe（5-1）One end and the motor seal housing（5）Outer wall be tightly connected, its other end
Stretch out fuel tank（3）Outside, machine shaft（8-1）With the motor（8）Provided with axle rotation lattice between the positioning center hole of front end
Lai Quan（12）, the motor（8）With the plunger pump（4）Between provided with sealing transmission connecting structure：The motor（8）Front end
It is provided with and machine shaft（8-1）Concentric cylinder shape groove, the plunger pump（4）Front end be provided with and Plunger Pump Shaft（4-1）
Cylindrical boss that is concentric and being adapted with the cylinder shape groove（4-2）, the machine shaft（8-1）With the plunger pump
Axle（4-1）Pass through flat key（9）Connection, the plunger pump（4）The cylindrical boss of front end（4-2）With the motor（8）Front end
The second O-shaped rubber seal is provided between cylinder shape groove（10）, the plunger pump（4）With the motor（8）Pass through plunger pump
Fixing screws（11）It is fixed together.
2. a kind of hydraulic system according to claim 1, it is characterised in that：The fuel tank（3）And fuel tank cap（3-1）It is
Stainless steel, the fuel tank（3）Side wall is provided with external manual pump inlet port（3-2）, the valve block（1）And valve member（2）It is fixed
In fuel tank cap（3-1）On, the valve block（1）Using aluminium material, the valve member（2）Using screw-in cartridge valve, the fuel tank（3）Also
Provided with dipstick（3-4）And pre-compressed air cleaner（3-3）.
3. a kind of hydraulic system according to claim 1 or 2, it is characterised in that：The motor seal housing（5）Top is set
There is handle（5-2）, the motor seal housing（5）Connecting seat（7）Positioned at its bottom.
4. a kind of hydraulic system according to claim 3, it is characterised in that：The power line penetration pipe（5-1）Using not
Rust corrugated steel pipe, its other end and fuel tank cap（3-1）It is tightly connected.
5. a kind of hydraulic system according to claim 4, it is characterised in that：The plunger pump（4）Front end face with it is described
Motor（8）Front end face be provided with corresponding sealing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090873.5U CN206429462U (en) | 2017-01-22 | 2017-01-22 | A kind of hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090873.5U CN206429462U (en) | 2017-01-22 | 2017-01-22 | A kind of hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206429462U true CN206429462U (en) | 2017-08-22 |
Family
ID=59591951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720090873.5U Active CN206429462U (en) | 2017-01-22 | 2017-01-22 | A kind of hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206429462U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545532A (en) * | 2017-01-22 | 2017-03-29 | 石家庄市液压有限责任公司 | A kind of hydraulic system |
-
2017
- 2017-01-22 CN CN201720090873.5U patent/CN206429462U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545532A (en) * | 2017-01-22 | 2017-03-29 | 石家庄市液压有限责任公司 | A kind of hydraulic system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2512764A (en) | Helical gear shallow well pump | |
| CN206429462U (en) | A kind of hydraulic system | |
| CN109764020A (en) | A kind of servo-hydraulic valve positioner | |
| CN203559961U (en) | Air filter integrating oil-gas separation structure | |
| CN106545532A (en) | A kind of hydraulic system | |
| CN207526812U (en) | Glass cement pressure injection machine hydraulic system | |
| CN112253435B (en) | High-performance high-pressure reciprocating pump | |
| CN204822316U (en) | Safe supply reserve fuel tank | |
| CN205446066U (en) | Self priming pump is leaked to vertical high -lift nothing | |
| CN210599611U (en) | Miniature closed pressure oil tank | |
| CN204476638U (en) | Double track high-voltage electric fuel oil pump assembly | |
| CN205858649U (en) | Band easily starts the gasoline engine aluminum pump of valve | |
| CN209083549U (en) | A kind of novel hydraulic gear pump assembly | |
| CN103352783B (en) | A kind of matched with diesel engine oil return of oil injector device | |
| CN220365668U (en) | Fuel filter assembly | |
| CN202926454U (en) | Pressure cover for expansion tank | |
| CN206738291U (en) | A kind of integral type power source | |
| CN205225836U (en) | Roots blower axle head mechanical seal system | |
| CN211852761U (en) | JT400A marine gearbox body | |
| CN220815947U (en) | Built-in water flow sensor direct current supercharging conjoined pump | |
| CN210530954U (en) | One-way valve integrating heating function | |
| CN204827905U (en) | A oil -out subassembly for manual formula beam -pumping unit | |
| CN213392543U (en) | Novel electric pump | |
| CN208651429U (en) | Marine screw shaft axle body positioning mechanism | |
| CN107013431A (en) | New-type piston-pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |