CN209702188U - A kind of miniature electric hydraulic device - Google Patents
A kind of miniature electric hydraulic device Download PDFInfo
- Publication number
- CN209702188U CN209702188U CN201920207180.9U CN201920207180U CN209702188U CN 209702188 U CN209702188 U CN 209702188U CN 201920207180 U CN201920207180 U CN 201920207180U CN 209702188 U CN209702188 U CN 209702188U
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- oil
- oil inlet
- valve
- valve body
- passage
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- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to a kind of miniature electric hydraulic devices, including motor, oil pump, valve body and fuel tank and jacking cylinder, a check valve is only arranged in the oil inlet passage of valve inner, check valve is isolated by oil inlet passage and drainback passage and jacking cylinder oil inlet, preceding drainback passage and rear drainback passage are separated by electrically-controlled valve connection among the drainback passage, drainback passage is controlled by external electrically-controlled valve, oil pump is fixed on body base and is placed in fuel tank simultaneously, the utility model has structure simple, it is easy to operate, the characteristics of good reliability.
Description
Technical field
The utility model relates to hydraulic technique, specifically a kind of miniature electric hydraulic device.
Background technique
Miniature electric hydraulic station currently on the market is such as announced are as follows: it is hydraulic that CN208311186U discloses a kind of miniature electric
It stands, including motor, valve body, fuel tank and gear pump assembly, setting unloading valve, pressure regulator valve and check valve in the valve body, in institute
Pouring orifice and oil outlet are additionally provided on the valve body stated, oil outlet is connected to latch well, and check valve is isolated by oil duct and oil outlet,
The unloading cavity and latch well are coaxially disposed, and the unloading valve in unloading cavity controls latch well internal check valve by a connecting rod
Opening and closing；Discharge channel is arranged between the pressure regulating cavity and fuel tank in drainback passage between the unloading cavity and fuel tank；This is practical
It is integrated with overflow valve on novel, fuel tank high pressure air exhaust valve, Manual relief valve, wherein Manual relief valve can be according to pulling pressing plate
The elastic size to adjust oil return opening of drawstring, has never been realized and adjusts the speed of oil return, have it is compact-sized, it is easy to operate, can
The feature good by property.
But this structure valve inner needs to open up gear cavity while there is provision of oil duct, therefore the internal junction of valve body
Structure is complex, and difficulty of processing is higher.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of miniature electric hydraulic device, the oil inlet passage of valve inner
One check valve is only set, oil return is controlled by external electrically-controlled valve, while oil pump is fixed on body base and is placed in fuel tank,
The characteristics of the utility model has structure simple, easy to operate, good reliability.
Following technical scheme is used to achieve the above object:
A kind of miniature electric hydraulic device, including motor, oil pump, valve body and fuel tank and jacking cylinder, it is characterised in that: institute
The oil pump stated is fixed on the bottom of valve body and is placed in fuel tank, and the opening that valve body is connected in top of oil-tank opens top of oil-tank
Mouth closing, the motor are provided with the top of valve body, and axis is connect through valve body with oil pump the output shaft of motor from top to bottom；Institute
The valve inner stated offers oil inlet passage, drainback passage and unloading channel, and the input end of oil inlet passage is arranged in body base,
Oil inlet is connected to the output port of oil pump, and the outlet end of the oil inlet passage is provided with the side of valve body, the jacking
Oil cylinder is connected in the side that valve body offers outlet end, and jacking cylinder oil inlet is connected to the outlet end of oil inlet passage, institute
The outlet end for the oil inlet passage stated also is connected to drainback passage, is arranged check valve in outlet end, check valve by oil inlet passage and
Drainback passage and the isolation of jacking cylinder oil inlet, before being separated by electrically-controlled valve connection among the drainback passage drainback passage and
Drainback passage afterwards, preceding time channel oil is connected to jacking cylinder oil inlet, and rear drainback passage is connected to fuel tank, and electrically-controlled valve controls oil return
The on-off in channel；Unloading valve is set in the unloading channel.
The oil inlet passage outlet end internal diameter increases, and step structure is formed in the outlet end of oil inlet passage, described
Outlet end is screwed in oil sealing connector, and the check valve includes steel ball and spring, and the steel ball is provided at step structure,
Spring one end resists steel ball, and the other end is withstood on oil sealing connector；The described oil sealing connector connection jacking cylinder oil inlet and
Outlet end, and play between valve body and jacking cylinder the sealing function of oil circuit.
The utility model is only responsible for being connected and is connected to oil duct effect, only one check valve is arranged in valve body and unloads in valve body
Lotus valve substantially reduces the difficulty of processing and processing cost of valve body so that the structure of valve body is very simple in this way, and drainback passage is fixed
It is controlled in the electrically-controlled valve of valve body-side, jacking cylinder oil inlet and only one channel of oil return, so that the utility model
Oil channel structures greatly simplify, and pump start rises the mandril of jacking cylinder by hydraulic oil, due to the only import but no export of check valve,
Electrically-controlled valve makes drainback passage be in off state at this time, to realize self-locking function；When decline, electrically-controlled valve leads drainback passage
It is logical, the hydraulic oil in jacking cylinder is flowed back into fuel tank by drainback passage using the gravity of weight, the utility model is significantly
The structure of simplified oil circuit, oil pump and motor split the upper and lower in valve body, the side of jacking cylinder position valve body, each component position
It sets and is reasonably distributed, structure is very compact, and descending operation is convenient, and has the characteristics that installation reliability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the decomposition texture schematic diagram of the utility model；
Fig. 3 is the utility model side structure diagram；
Fig. 4 be Fig. 3 in A-A to cross-sectional view；
Fig. 5 is the top view of the utility model；
Fig. 6 is the cross-sectional view of B-B direction in Fig. 5.
Specific embodiment
As shown in figures 1 to 6, a kind of miniature electric hydraulic device, including motor 1, oil pump 2, valve body 3 and fuel tank 4 and jacking oil
Cylinder 5, it is characterised in that: the oil pump 2 is fixed on the bottom of valve body 3 and is placed in fuel tank 4, and valve body 3 is connected in the top of fuel tank 4
The opening in portion closes 4 top opening of fuel tank, and the motor 1 is provided with the top of valve body 3, and the output shaft of motor 1 is from upper
And lower axle is connect through valve body 3 with oil pump 2；It is logical that oil inlet passage 31, drainback passage 32 and off-load are offered inside the valve body 3
The input end in road 33, oil inlet passage 31 is arranged in 3 bottom of valve body, and oil inlet is connected to the output port of oil pump 2, the oil inlet
The outlet end 35 in channel 31 is provided with the side of valve body 3, and the jacking cylinder 5 is connected in valve body 3 offers outlet end one
Side, and 3 oil inlet of jacking cylinder is connected to the outlet end 35 of oil inlet passage 31, the outlet end 35 of the oil inlet passage also with
Drainback passage 32 is connected to, and check valve is arranged in outlet end 35, and check valve is oily by oil inlet passage 31 and drainback passage 32 and jacking
Cylinder oil inlet is isolated, and is separated into preceding drainback passage 321 and rear drainback passage by the connection of electrically-controlled valve 6 among the drainback passage 32
322, preceding time channel oil 321 is connected to jacking cylinder oil inlet, and rear drainback passage 322 is connected to fuel tank 4, and electrically-controlled valve 6 controls back
The on-off in oily channel 32；Unloading valve 7 is set in the unloading channel 33.
35 internal diameter of oil inlet passage outlet end increases, and step structure is formed in the outlet end of oil inlet passage 35, in institute
The outlet end stated is screwed in oil sealing connector 8, and the check valve includes steel ball 37 and spring 38, and the steel ball 37 is provided with
At step structure, 38 one end of spring resists steel ball 37, and the other end is withstood on oil sealing connector 8；The oil sealing connector 8 is connected to
Jacking cylinder oil inlet and outlet end, and play between valve body 3 and jacking cylinder 5 sealing function of oil circuit.
The utility model is responsible for for each component being connected and is connected to oil duct effect in valve body, only one list is arranged in valve body 3
To valve and unloading valve 7, so that the structure of valve body 3 is very simple, the difficulty of processing and processing cost of valve body 3 are substantially reduced in this way,
Drainback passage 31 is fixed on the electrically-controlled valve 6 of 3 side of valve body to control, 5 oil inlet of jacking cylinder and only one channel of oil return, in this way
So that the oil channel structures of the utility model greatly simplify, the starting of oil pump 2 rises the mandril of jacking cylinder 5 by hydraulic oil, by
In the only import but no export of check valve, electrically-controlled valve 6 makes drainback passage be in off state at this time, to realize self-locking function；Decline
When, drainback passage 32 is connected electrically-controlled valve 6, and the hydraulic oil in jacking cylinder 5 is passed through drainback passage 32 using the gravity of weight
It flowing back into fuel tank, the structure for the oil circuit that the utility model greatly simplifies, oil pump 2 and motor 1 split the upper and lower in valve body 3,
The side of 5 position valve body 3 of jacking cylinder, each component locations are reasonably distributed, and structure is very compact, and descending operation is convenient, and has
The characteristics of installation reliability.
Claims (2)
1. a kind of miniature electric hydraulic device, including motor, oil pump, valve body and fuel tank and jacking cylinder, it is characterised in that: described
Oil pump be fixed on the bottom of valve body and be placed in fuel tank, top of oil-tank is open by the opening that valve body is connected in top of oil-tank
Closing, the motor are provided with the top of valve body, and axis is connect through valve body with oil pump the output shaft of motor from top to bottom；It is described
Valve inner offer oil inlet passage, drainback passage and unloading channel, the input end setting of oil inlet passage in body base, into
Hydraulic fluid port is connected to the output port of oil pump, and the outlet end of the oil inlet passage is provided with the side of valve body, the jacking oil
Cylinder is connected in the side that valve body offers outlet end, and jacking cylinder oil inlet is connected to the outlet end of oil inlet passage, described
The outlet end of oil inlet passage be also connected to drainback passage, check valve is set in outlet end, and check valve is by oil inlet passage and returns
Oily channel and jacking cylinder oil inlet are isolated, and are separated into preceding drainback passage with after by electrically-controlled valve connection among the drainback passage
Drainback passage, preceding time channel oil is connected to jacking cylinder oil inlet, and rear drainback passage is connected to fuel tank, and it is logical that electrically-controlled valve controls oil return
The on-off in road；Unloading valve is set in the unloading channel.
2. a kind of miniature electric hydraulic device as described in claim 1, it is characterised in that: in the oil inlet passage outlet end
Diameter increases, and forms step structure in the outlet end of oil inlet passage, is screwed in oil sealing connector, the list in the outlet end
It include steel ball and spring to valve, the steel ball is provided at step structure, and spring one end resists steel ball, and the other end withstands on oil sealing
On connector；The oil sealing connector connection jacking cylinder oil inlet and outlet end, and risen between valve body and jacking cylinder
To the sealing function of oil circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920207180.9U CN209702188U (en) | 2019-02-18 | 2019-02-18 | A kind of miniature electric hydraulic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920207180.9U CN209702188U (en) | 2019-02-18 | 2019-02-18 | A kind of miniature electric hydraulic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209702188U true CN209702188U (en) | 2019-11-29 |
Family
ID=68641774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920207180.9U Active CN209702188U (en) | 2019-02-18 | 2019-02-18 | A kind of miniature electric hydraulic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209702188U (en) |
-
2019
- 2019-02-18 CN CN201920207180.9U patent/CN209702188U/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: A micro electro hydraulic device Effective date of registration: 20201122 Granted publication date: 20191129 Pledgee: Zhejiang Tailong commercial bank Taizhou branch of Limited by Share Ltd. Pledgor: Shen Yaobing Registration number: Y2020330000993 |
|
| 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: 20230928 Granted publication date: 20191129 Pledgee: Zhejiang Tailong commercial bank Taizhou branch of Limited by Share Ltd. Pledgor: Shen Yaobing Registration number: Y2020330000993 |