CN201971586U - Electrohydraulic jack for vehicles - Google Patents
Electrohydraulic jack for vehicles Download PDFInfo
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- CN201971586U CN201971586U CN2011200305088U CN201120030508U CN201971586U CN 201971586 U CN201971586 U CN 201971586U CN 2011200305088 U CN2011200305088 U CN 2011200305088U CN 201120030508 U CN201120030508 U CN 201120030508U CN 201971586 U CN201971586 U CN 201971586U
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Abstract
The utility model relates to a jack for vehicles, in particular to an electrohydraulic jack for vehicles. An oil cylinder cavity is arranged in a control valve body of the electrohydraulic jack, a slider is slidably arranged in the oil cylinder cavity to divide the oil cylinder cavity into a first cavity and a second cavity, which are respectively provided with a first oil opening, and the two first oil openings are respectively provided with an elastic part for closing the first oil opening, and are respectively externally connected with a hydraulic jacking device and an oil tank through oil passages; both ends of the slider are respectively provided with a pushing rod, and the pushing rods are respectively aimed at the elastic parts, and move along with the slider to selectively push one of the elastic parts to open, so that one of the first oil openings can be opened; moreover, the first cavity and the second cavity are respectively provided with a first oil hole, and the first oil holes are respectively connected with the oil inlet and the oil outlet of an oil pump. The utility model facilitates the design of a whole oil passage, consequently, the structure is simpler, and the production cost is saved.
Description
Technical field
The utility model relates to a kind of vehicle jack device.
Background technology
Car generally adopts hydraulic structure with jack, makes the top of jack lift device by manual modulated pressure oil and rises, and the general texture ratio of this jack is heavy, be difficult for carrying, and the operation effort.Existing the appearance adopts the Vehicle Power socket to draw the electric hydraulic jack of power supply.
As Chinese utility model patent (application number: 200620107377.8 applyings date: 2006-09-04) disclose a kind of Vehicular electric hydraulic jack, this jack comprises oil sources case and described oil sources case bonded assembly motor, by the oil pump of driven by motor and be provided with the oil cylinder of piston rod, be provided with unidirectional controlled valve between described oil pump and the oil cylinder, unidirectional controlled valve is provided with the valve cavity, described valve cavity comprises valve cavity and lower valve cavity, be provided with the first logical hydraulic fluid port between described two valve cavitys, described going up in the valve cavity is provided with the check valve that can adjust the oil circuit direction with the forward and reverse rotation of motor, be provided with in the described lower valve cavity can be with the forward and reverse rotation of motor axially movable push rod component.
As Chinese utility model patent (application number: 200920304975.8 applyings date: 2009-06-24) disclose hydraulic jacking mechanism, this mechanism comprises oil cylinder, fuel tank, the oil pump that communicates with fuel tank, with the joining motor of oil pump, be provided with push rod in the oil cylinder, the inner end of push rod is provided with piston, piston is divided into oil cylinder and stretches out oil pocket and indentation oil pocket, oil pump respectively by delivery line with stretch out oil pocket and the indentation oil pocket communicates, described delivery line is provided with balance cock, this balance cock comprises compensating cylinder and is located at the interior balanced plug of compensating cylinder, balanced plug is divided into left chamber and right chamber to compensating cylinder, chamber, a left side with stretch out oil pocket and communicate, right chamber communicates with the indentation oil pocket, in left chamber and right chamber, be respectively equipped with the plugging structure of the activity that is used for shutoff hydraulic oil, described two delivery lines pass through plugging structure respectively, described balanced plug can be slided in compensating cylinder, and balanced plug can make a certain plugging structure conducting after sliding.
The product oil channel structures more complicated of above-mentioned patent, increased production cost so undoubtedly, push rod component need be pushed into the drain line outlet in addition in for the device draining of 200620107377.8 patent disclosures, this needs bigger oil pressure just can carry out draining undoubtedly.
Summary of the invention
For the technological deficiency of the product oil channel structures more complicated that solves above-mentioned patent, the purpose of this utility model provides a kind of vehicle electric hydaulic jack device, and this device oil channel structures is more simple, has saved production cost.
In order to realize above-mentioned purpose, the utility model has adopted following technical scheme:
A kind of vehicle electric hydaulic jack device, this device comprises the hydraulic jack device, fuel tank, motor, oil pump and by-pass valve control body, the hydraulic jack device connects the by-pass valve control body by oil circuit, the work of motor forward or reverse control oil pump, be provided with the oil cylinder cavity in the described by-pass valve control body, slide in the oil cylinder cavity and be provided with sliding shoe, sliding shoe is divided into first cavity and second cavity with the oil cylinder cavity, be respectively equipped with the first logical hydraulic fluid port on first cavity and second cavity, be respectively equipped with the elastic component that is used to seal the first logical hydraulic fluid port on the first logical hydraulic fluid port, the outside of two first logical hydraulic fluid ports then connects described hydraulic jack device and described fuel tank by oil circuit respectively; The two ends of described sliding shoe are respectively equipped with push rod, and push rod is respectively over against elastic component, and push rod is selected one with the sliding shoe motion and backed down an elastic component one first logical hydraulic fluid port is opened wide; And being respectively equipped with first oilhole at first cavity and second cavity, first oilhole connects the oil inlet and the oil outlet of oil pump respectively by oil circuit.
As a kind of improved procedure, above-mentioned elastic component comprises steel ball and spring, and steel ball is arranged on the boss in the first logical hydraulic fluid port outside by the spring compressing.
As further improvement, the outside of the first above-mentioned logical hydraulic fluid port is respectively equipped with mounting hole, and the external side end of mounting hole is respectively equipped with screw socket, screw socket is provided with plug, plug and screw socket are provided with installing port by being threaded in the plug, described spring and steel ball are arranged in the installing port.
As further improvement, the inner of above-mentioned plug is a stepped appearance, be provided with through hole on the sidewall of plug, be respectively equipped with second oilhole on the medial extremity sidewall of described mounting hole, second oilhole connects described hydraulic jack device and described fuel tank by oil circuit respectively.
As another improved procedure, above-mentioned elastic component comprises flexure strip, and flexure strip is arranged on the outer side boss of the first logical hydraulic fluid port by the compressing of self elasticity.
As further improvement, be respectively equipped with plastic mattress in the first above-mentioned cavity and second cavity, the described first logical hydraulic fluid port is separately positioned on the plastic mattress, and the outer end of described push rod is arranged in the first logical hydraulic fluid port.Plastic mattress makes the first logical hydraulic fluid port setting more simple on the one hand, installs more conveniently, has also realized better on the other hand cooperating realization to seal with steel ball.As preferably, described plastic mattress adopts nylon material.
As further improvement, above-mentioned sliding shoe adopts notch cuttype, and described first oilhole is separately positioned on the sidewall of first cavity and second cavity.
As further improvement, the centre of above-mentioned sliding shoe is provided with circular groove, and circular groove is provided with seal ring.
As further improvement, be connected with unloader valve on first oilhole of the first above-mentioned cavity and the oil pump bonded assembly oil circuit, the exit end of unloader valve connects described fuel tank.
As further improvement, above-mentioned by-pass valve control body is provided with the unloader valve mounting hole, the unloader valve mounting hole is connected with first oilhole on first cavity by oil circuit, described unloader valve comprises rubber seal, unloading spring and setting nut, rubber seal sealing unloader valve mounting hole, unloading spring one end and rubber seal offset, and the other end and setting nut offset.When load pressure during greater than 1.2T (this value can be adjusted setting), this moment, unloading spring backed down, and the high pressure oil that oil pump comes out comes back to fuel tank through this oil circuit, in order to avoid damage product because of overload.
The utility model is just being changed a job when doing at motor: high pressure oil enters first cavity, push the elastic component on first cavity, the first logical hydraulic fluid port open, and take advantage of a situation sliding shoe is down pushed away, back down the elastic component on second cavity, the first logical hydraulic fluid port, at this moment whole oil circuit forms a loop, to hydraulic jack device fuel feeding, hydraulic jack is risen.During motor counter-rotating work: high pressure oil enters second cavity, push the elastic component on second cavity, the first logical hydraulic fluid port open, and take advantage of a situation sliding shoe is up pushed away, back down the elastic component on first cavity, the first logical hydraulic fluid port, at this moment whole oil circuit forms a loop, to hydraulic jack device draining, hydraulic jack is descended.The utility model has been save a check valve and drain line with respect to the product of 200620107377.8 patents, has only set up an elastic component on the by-pass valve control body, has made things convenient for whole oil circuit design, makes structure more simple, has saved production cost.
Description of drawings
Fig. 1 is oil circuit principle of design figure of the present utility model.
Fig. 2 is the structural representation of the utility model by-pass valve control body.
Fig. 3 is the structural representation of plug.
Fig. 4 is the structural representation of sliding shoe.
The specific embodiment
Below in conjunction with accompanying drawing structure of the present utility model is made a detailed explanation.
A kind of vehicle electric hydaulic jack device as shown in Figure 1, this device comprises hydraulic jack device 1, fuel tank 12, motor 11, oil pump 10 and by-pass valve control body 2, hydraulic jack device 1 connects by-pass valve control body 2 by oil circuit, 10 work of motor 11 forward or reverse control oil pump, the power supply of motor 11 can be quoted the power supply of vehicle power plug.As shown in Figure 1 and Figure 2, be provided with oil cylinder cavity 20 in the by-pass valve control body 2, slide in the oil cylinder cavity 20 and be provided with sliding shoe 4, the centre of sliding shoe 4 is provided with circular groove 41, circular groove 41 is provided with seal ring 18, and sliding shoe 4 is divided into oil cylinder cavity 20 in first cavity 3 and second cavity, 5, the first cavitys 3 and second cavity 5 and is respectively equipped with nylon cushion 17, be respectively equipped with on the nylon cushion 17 on first logical hydraulic fluid port 7, the first logical hydraulic fluid ports 7 and be respectively equipped with the elastic component 8 that is used to seal the first logical hydraulic fluid port 7.
As shown in Figure 2, elastic component 8 comprises steel ball 81 and spring 82, the outside of the described first logical hydraulic fluid port 7 is respectively equipped with mounting hole 21, the external side end of mounting hole 21 is respectively equipped with screw socket 22, screw socket 22 is provided with plug 13, plug 13 and screw socket 22 are provided with installing port 15 by being threaded in the plug 13, described spring 82 and steel ball 81 are arranged in the installing port 15.Steel ball 81 is arranged on the boss in first logical hydraulic fluid port 7 outsides by spring 82 compressings.As shown in Figure 3, the inner of plug 13 is a stepped appearance, on the sidewall of plug 13, be provided with through hole 14, be respectively equipped with second oilhole, 23, the second oilholes 23 on the medial extremity sidewall of described mounting hole 21 and connect described hydraulic jack device 1 and described fuel tank 12 by oil circuit respectively.
As shown in Figure 4, sliding shoe 4 adopts notch cuttype, the two ends of sliding shoe 4 are respectively equipped with push rod 6, push rod 6 is respectively over against steel ball 81, the outer end of push rod 6 is separately positioned in the first logical hydraulic fluid port 7, push rod 6 is selected one with sliding shoe 6 motion and is backed down a steel ball 81 one first logical hydraulic fluid port 7 is opened wide, and is respectively equipped with first oilhole, 24,25, the first oilholes 24,25 connect oil pump 10 respectively by oil circuit oil inlet and oil outlet on the sidewall of first cavity 3 and second cavity 5.
As shown in Figure 1, be connected with unloader valve 9 on first oilhole 25 of first cavity 3 and the oil pump 10 bonded assembly oil circuits, the exit end 95 of unloader valve 9 connects described fuel tank 12.By-pass valve control body 2 is provided with unloader valve mounting hole 91, unloader valve mounting hole 91 is provided with the second logical hydraulic fluid port 96, unloader valve mounting hole 91 is connected with first oilhole 25 on first cavity 3 by the second logical hydraulic fluid port 96 and oil circuit, described unloader valve 9 comprises rubber seal 92, unloading spring 93 and setting nut 94, the rubber seal 92 sealings second logical hydraulic fluid port 96, unloading spring 93 1 ends and rubber seal 92 offset, the other end and setting nut 94 offset, and on the sidewall of unloader valve mounting hole 91, be provided with the 3rd hydraulic fluid port 95, the three hydraulic fluid ports 95 and connect described fuel tank 12 by oil circuit.When load pressure during greater than 1.2T (this value can be adjusted by setting nut 94 and be provided with), this moment, unloading spring 82 backed down, and the high pressure oil that oil pump 10 comes out comes back to fuel tank 12 through this oil circuit.In order to avoid damage product because of overload.
The utility model is just being changed a job when doing at motor 11: high pressure oil enters first cavity 3, push the steel ball 81 on first cavity, the 3 first logical hydraulic fluid ports 7 open, and take advantage of a situation sliding shoe 4 is down pushed away, back down the steel ball 81 on second cavity, the 5 first logical hydraulic fluid ports 7, at this moment whole oil circuit forms a loop, to hydraulic jack device 1 fuel feeding, hydraulic jack is risen.During motor 11 counter-rotating work: high pressure oil enters second cavity 5, push the steel ball 81 on second cavity, the 5 first logical hydraulic fluid ports 7 open, and take advantage of a situation sliding shoe 4 is up pushed away, back down the steel ball 81 on first cavity, the 3 first logical hydraulic fluid ports 7, at this moment whole oil circuit forms a loop, to hydraulic jack device 1 draining, hydraulic jack is descended.
Claims (10)
1. vehicle electric hydaulic jack device, this device comprises hydraulic jack device (1), fuel tank (12), motor (11), oil pump (10) and by-pass valve control body (2), hydraulic jack device (1) connects by-pass valve control body (2) by oil circuit, motor (11) forward or reverse control oil pump (10) work, it is characterized in that: the by-pass valve control body is provided with the oil cylinder cavity in (2), slide in the oil cylinder cavity and be provided with sliding shoe (4), sliding shoe (4) is divided into first cavity (3) and second cavity (5) with the oil cylinder cavity, be respectively equipped with the first logical hydraulic fluid port (7) on first cavity (3) and second cavity (5), be respectively equipped with the elastic component (8) that is used to seal the first logical hydraulic fluid port (7) on the first logical hydraulic fluid port (7), the outside of two first logical hydraulic fluid ports (7) then connects described hydraulic jack device (1) and described fuel tank (12) by oil circuit respectively; The two ends of described sliding shoe (4) are respectively equipped with push rod (6), and push rod (6) is respectively over against elastic component (8), and push rod (6) is selected one with sliding shoe (4) motion and backed down an elastic component (8) one first logical hydraulic fluid port (7) is opened wide; And being respectively equipped with first oilhole (24,25) at first cavity (3) and second cavity (5), first oilhole (24,25) connects the oil inlet and the oil outlet of oil pump (10) respectively by oil circuit.
2. a kind of vehicle electric hydaulic jack device according to claim 1, it is characterized in that: elastic component (8) comprises steel ball (81) and spring (82), and steel ball (81) is arranged on the outside boss of the first logical hydraulic fluid port (7) by spring (82) compressing.
3. a kind of vehicle electric hydaulic jack device according to claim 2, it is characterized in that: the outside of the first logical hydraulic fluid port (7) is respectively equipped with mounting hole (21), the external side end of mounting hole (21) is respectively equipped with screw socket (22), screw socket (22) is provided with plug (13), plug (13) and screw socket (22) are by being threaded, be provided with installing port (15) in the plug (13), described spring (82) and steel ball (81) are arranged in the installing port (15).
4. a kind of vehicle electric hydaulic jack device according to claim 3, it is characterized in that: the inner of plug (13) is a stepped appearance, on the sidewall of plug (13), be provided with through hole (14), be respectively equipped with second oilhole (23) on the medial extremity sidewall of described mounting hole (21), second oilhole (23) connects described hydraulic jack device (1) and described fuel tank (12) by oil circuit respectively.
5. a kind of vehicle electric hydaulic jack device according to claim 1 is characterized in that: elastic component (8) comprises flexure strip, and flexure strip is arranged on the outer side boss of the first logical hydraulic fluid port (7) by the compressing of self elasticity.
6. a kind of vehicle electric hydaulic jack device according to claim 1, it is characterized in that: be respectively equipped with plastic mattress (7) in first cavity (3) and second cavity (5), the described first logical hydraulic fluid port (7) is separately positioned on the plastic mattress (7), and the outer end of described push rod (6) is provided with in the first logical hydraulic fluid port (7).
7. according to claim 1 or 6 described a kind of vehicle electric hydaulic jack devices, it is characterized in that: sliding shoe (4) adopts notch cuttype, and described first oilhole (24,25) is separately positioned on the sidewall of first cavity (3) and second cavity (5).
8. a kind of vehicle electric hydaulic jack device according to claim 1 is characterized in that: the centre of sliding shoe (4) is provided with circular groove (41), and circular groove (41) is provided with seal ring (18).
9. a kind of vehicle electric hydaulic jack device according to claim 1, it is characterized in that: be connected with unloader valve (9) on first oilhole (25) of first cavity (3) and oil pump (10) the bonded assembly oil circuit, the exit end of unloader valve (9) connects described fuel tank (12).
10. a kind of vehicle electric hydaulic jack device according to claim 9, it is characterized in that: by-pass valve control body (2) is provided with unloader valve mounting hole (21), unloader valve mounting hole (21) is provided with the second logical hydraulic fluid port (96), unloader valve (9) mounting hole (21) is connected with first oilhole (25) on first cavity (3) by the second logical hydraulic fluid port (96) and oil circuit, described unloader valve (9) comprises rubber seal (92), unloading spring (93) and setting nut (94), rubber seal (92) the sealing second logical hydraulic fluid port (96), unloading spring (93) one ends and rubber seal (92) offset, the other end and setting nut (94) offset, and on the sidewall of unloader valve mounting hole (21), being provided with the 3rd hydraulic fluid port (95), the 3rd hydraulic fluid port (95) connects described fuel tank (12) by oil circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200305088U CN201971586U (en) | 2011-01-28 | 2011-01-28 | Electrohydraulic jack for vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200305088U CN201971586U (en) | 2011-01-28 | 2011-01-28 | Electrohydraulic jack for vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201971586U true CN201971586U (en) | 2011-09-14 |
Family
ID=44576692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200305088U Expired - Lifetime CN201971586U (en) | 2011-01-28 | 2011-01-28 | Electrohydraulic jack for vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201971586U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070106A (en) * | 2011-01-28 | 2011-05-25 | 温岭市鑫磊空压机有限公司 | Electrical hydraulic jack device for vehicle |
| CN109026276A (en) * | 2018-06-29 | 2018-12-18 | 江苏理工学院 | A kind of engine pressure balance-conditioning system |
| CN109057914A (en) * | 2018-06-29 | 2018-12-21 | 江苏理工学院 | A kind of engine pressure balance system |
-
2011
- 2011-01-28 CN CN2011200305088U patent/CN201971586U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070106A (en) * | 2011-01-28 | 2011-05-25 | 温岭市鑫磊空压机有限公司 | Electrical hydraulic jack device for vehicle |
| CN109026276A (en) * | 2018-06-29 | 2018-12-18 | 江苏理工学院 | A kind of engine pressure balance-conditioning system |
| CN109057914A (en) * | 2018-06-29 | 2018-12-21 | 江苏理工学院 | A kind of engine pressure balance system |
| CN109026276B (en) * | 2018-06-29 | 2020-09-15 | 江苏理工学院 | Engine pressure balance adjustment system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 317500 Zhejiang city of Taizhou province Wenling City Industrial City Wenling Xinlei Air Compressor Co. Ltd. Patentee after: Compressor Xinlei Limited by Share Ltd Address before: 317500 Zhejiang city of Taizhou province Wenling City Industrial City Wenling Xinlei Air Compressor Co. Ltd. Patentee before: Wenling Xinlei Air Compressor Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110914 |
|
| CX01 | Expiry of patent term |