CN201288045Y - Dual-purpose hydraulic electric jack - Google Patents
Dual-purpose hydraulic electric jack Download PDFInfo
- Publication number
- CN201288045Y CN201288045Y CNU2008201383148U CN200820138314U CN201288045Y CN 201288045 Y CN201288045 Y CN 201288045Y CN U2008201383148 U CNU2008201383148 U CN U2008201383148U CN 200820138314 U CN200820138314 U CN 200820138314U CN 201288045 Y CN201288045 Y CN 201288045Y
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- pump
- hydraulic electric
- oil cylinder
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Abstract
The utility model discloses a dual-purpose hydraulic electric jack, which solves the defects of an existing hydraulic electric jack that the structure is complex, the production and the installation are difficult and the stability of the use is poor. The structure of the hydraulic electric jack is characterized in that that the dual-purpose hydraulic electric jack comprises an oil cylinder, a piston push-rod structure arranged in the oil cylinder, an oil tank and an oil pump which are respectively communicated with the oil cylinder through oil transmission pipes, wherein the oil pump is communicated with the oil tank, the oil pump is linked with the dynamic output shaft of a motor, and a spill valve is arranged on the oil transmission pipeline between the oil tank and the oil cylinder. The jack is characterized in that both ends of the dynamic output shaft respectively extend outside both sides of the motor, an air pump is arranged on the dynamic output shaft, the air pump and the oil pump are respectively arranged on both sides of the motor, the air pump is communicated to the spill valve through an air transmission pipeline to control the cutting of the spill valve or conducts the oil transmission pipeline between the oil tank and the oil cylinder, isolators are respectively arranged between the oil pump and the dynamic output shaft or the air pump and the dynamic output shaft, and the two structures of the two isolators are reversely arranged.
Description
Technical field
The utility model relates to a kind of top and lifts device, relates in particular to a kind of with the dual-use hydraulic electric jack that be applicable to top act vehicle of hydraulic oil as transmission medium.
Background technology
Automobile the phenomenon of casting anchor can occur unavoidably in the way of travelling, chaufeur need could be realized by means of jack when handling the problem of some within the reachs sometimes.
The applicant has applied for a kind of Vehicular electric hydraulic jack (patent No.: 200620107377.8), its structure comprises fuel tank, motor, oil pump, piston mandril, delivery line by complexity between fuel tank, oil pump, the push rod communicates, on delivery line, be provided with the valve cavity, be separated into valve cavity and lower valve cavity by the steel-ball type check valve in the valve cavity, also be provided with moving body in the valve cavity, moving body is provided with the push rod that is used to push steel ball.When this jack work, the rotating of motor has determined the flow direction of hydraulic oil in the valve cavity, so that piston mandril can move on request.But in production, the assembling of reality, and in the use, this jack is produced, the assembling difficulty, and stability in use is bad.Tracing it to its cause, is because of the complex structure in the valve cavity, and position relation and the action relationships be located between each parts in it require height, are connected the oil pipeline complex structure on the valve cavity.And the function singleness of this jack can not be suitable for other purposes.
Summary of the invention
For overcoming the above-mentioned defective that existing dual-use hydraulic electric jack is had, the utility model technical issues that need to address: a kind of later-model dual-use hydraulic electric jack is provided, and it has simple in structure, production and easy to assembly, good operating stability, is convenient to widen its Applicable scope.
For solveing the technical problem, the technical measures that the utility model is taked: a kind of dual-use hydraulic electric jack, comprise oil cylinder, be located at in-oil cylinder piston mandril structure, fuel tank and the oil pump that communicates with oil cylinder by delivery line respectively, communicate between oil pump and the fuel tank, oil pump and motor power output shaft link, on the delivery line between fuel tank and the oil cylinder, be provided with fuel-return valve, it is characterized in that, the both sides that motor is stretched out at described power take-off shaft two ends respectively, on power take-off shaft, be provided with air pump, the both sides of air pump and oil pump apportion motor, air pump leads to fuel-return valve with the cut-out of control fuel-return valve or the delivery line between conducting fuel tank and the oil cylinder by air delivering pipeline; Between oil pump and power take-off shaft, and be equipped with isolator between air pump and the moving output shaft, the structure of these two isolators is provided with on the contrary.Described isolator can be a bicycle cutter structure, or overriding clutch, these two isolator structures are provided with on the contrary, that is to say that the motor power output shaft is when rotating in positive and negative direction, can only drive the single work of air pump or oil pump, air pump or oil pump can not worked simultaneously.When air pump was worked, the pressurized air that is produced made the coupled delivery line of fuel-return valve conducting, and the hydraulic oil in the oil cylinder can be back in the fuel tank by delivery line, and then made push rod retract to oil cylinder inside.Generally be provided with automatic reset mechanism on the described fuel-return valve, and this automatic reset mechanism is when working to fuel-return valve, fuel-return valve is to be on the state that cuts off coupled oil pipeline.Like this, when the driven by motor oil pump was worked, hydraulic oil can be entered in the oil cylinder by the oil pump driving in fuel tank, and this moment is because fuel-return valve is in closed condition, in-oil cylinder hydraulic oil can not be back in the fuel tank, and heavy thing is lifted with the top in the outside that in-oil cylinder hydraulic oil can impel push rod to stretch out oil cylinder.
As preferably, described vent line end is provided with and the joining conducting cylinder of fuel-return valve.The conducting cylinder that is provided with is when air pump is worked, and the piston in the conducting cylinder can move, and fuel-return valve is opened, and in-oil cylinder hydraulic oil is back in the fuel tank.
As preferably, described vent line is provided with valve.The valve that is provided with can be used for the tire of vehicle is carried out gas injection, has widened the Applicable scope of jack.
As preferably, described oil cylinder bottom is provided with base, and described motor, fuel tank all are arranged on the base.These parts are set on the base, have improved the integrally-built compactedness of jack.
As preferably, the top of described push rod is provided with top board.Being provided with top board can increase push rod and will push up area of contact between the weight of act, reduces the damage of push rod to weight.
As preferably, be provided with extension spring between described top board and the base.The pulling force of this extension spring impels push rod to have towards the trend of oil cylinder internal motion, after jack is finished using, is convenient to make push rod to reset fast, and does not need the end of removing to trample push rod with pin, has improved the ease of use of jack.
As preferably, be provided with lose heart passage and filling channel in the described valve, the admission port of disappointing passage and filling channel all communicates with described air delivering pipeline, their air extractor duct communicates, in the passage that loses heart, between admission port and air extractor duct, be provided with disappointing spool, in filling channel, between admission port and air extractor duct, be provided with T shape gas bar.Lose heart spool the end flexibly roof pressure when the compressed air pressure in the gas piping is big, will backs down aie escape valve and enter in the filling channel, so that air pump can normal operation in the passage that loses heart on the corresponding step surface.And the gas bar of T shape also matches with respective step face in the filling channel, when when putting on the air operation, valve is with after charging connector on the vehicle tyre cooperates, and the gas bar is left step surface in the filling channel by the top, and pressurized air can very successfully be filled in the tire of vehicle in filling channel.
Therefore, the beneficial effects of the utility model:
Owing on the motor power output shaft, be provided with air pump, the pressurized air of utilizing air pump to be produced when work is opened fuel-return valve, make the convenient decline of push rod, need on delivery line, not set the check valve of multiple version, and delivery line is simple, be convenient to arrange, made things convenient for the production and the assembling of jack.Fuel-return valve can cut off coupled oil pipeline well, guarantees that jack can make hydraulic oil stably remain in the oil cylinder when the top act weighs thing, and the stability in use of jack is good.The air pump that is provided with can provide source of inflation gas for vehicle tyre by double as, has widened the Applicable scope of jack.
Description of drawings
Fig. 1 is the structural representation of the utility model dual-use hydraulic electric jack, is broken away in the position of oil cylinder.
Fig. 2 is vertical amplification view of valve.
The specific embodiment
See Fig. 1, the structure of the utility model dual-use hydraulic electric jack comprises oil cylinder 3, fuel tank 11, motor 14, is provided with push rod 5 in the oil cylinder 3, and push rod 5 links together with the piston of being located in the oil cylinder 36.Described push rod 5 is two joints, and described oil pump 12 is a geared oil pump, and described motor 14 is a permanent magnet DC motor.
The outside that motor is stretched out at the two ends of the power take-off shaft on the described motor 14 respectively, end position place at power take-off shaft is provided with oil pump 12, other end position is provided with air pump 15, between oil pump 12 and the power take-off shaft, and be respectively equipped with an isolator 13 between air pump 15 and the power take-off shaft, the structure of these two isolators 13 can be a bicycle cutter structure, also can be overriding clutch.The structure of described two isolators 13 is provided with on the contrary, that is to say that air pump 15 can not worked, and is same when motor 14 drives oil pump 12 work, and when 15 work of driven by motor air pump, oil pump 12 can not worked.
Have oil suction chamber in oil cylinder 3 below piston 6, described oil pump 12 communicates with this oil suction chamber by delivery line 7.Oil pump 12 also communicates with fuel tank 11 by delivery line 7, is provided with check valve on this delivery line 7, and promptly hydraulic oil can flow to the position of oil pump 12 in the fuel tank 11, and counter-flow can not be realized.Also communicate by delivery line 7 between fuel tank 11 and described oil suction chamber, be provided with fuel-return valve 8 on this delivery line 7, fuel-return valve 8 is being under the state that cuts off delivery line 7 under positive reason.
Described air pump 15 communicates with a conducting cylinder 9 by air delivering pipeline 10, conducting cylinder 9 links with fuel-return valve 8, when air pump 15 work, piston in the conducting cylinder 9 can move, thereby under the effect of this piston, fuel-return valve 8 can be opened, and the hydraulic oil in the oil cylinder 3 can be back in the fuel tank 11 by delivery line 7, thereby push rod 5 is retracted in the oil cylinder 3.When oil pump 12 work, because air pump 15 remains static, the piston in the conducting cylinder 9 can reset, and fuel-return valve 8 returns the state that cuts off coupled delivery line 7.Also be provided with the valve 16 that communicates with it on described air delivering pipeline 10, this valve 16 can be used for injecting compressed air in the tire of vehicle.
Described oil cylinder 3 is arranged on the base 1, and above-mentioned motor 14, fuel tank 11, delivery line 7 also can be arranged on the base 1.
At self-return apace after hours, be provided with top board 4 in the upper end of push rod 5 for the ease of push rod 5, be provided with extension spring 2 between top board 4 and base 1, extension spring 2 can realize returning quicklies by top board 4 pulling push rods 5, and does not need to go to trample with pin.
When jack was worked, motor 14 can be connected with vehicle-mounted cigarette lighter socket.Motor 14 is generally controlled by a three-position control switch, when pressing the rising switch, motor 14 is just changeing, the motor power output shaft drives oil pump 12 work by isolator 13, oil pump 12 pumps hydraulic oil in fuel tank 11, and be transported in the oil suction chamber in the oil cylinder 3 by delivery line 7, hydraulic oil promotes push rod 5 and rises, when heavy thing is lifted on push rod 5 tops to certain height, can press the stop button on the master cock, motor 14 quits work, because the fuel-return valve 8 on the delivery line 7 and the effect of check valve, it is static that hydraulic oil keeps, and push rod 5 remains on the stable height.When operation finishes need put down weight the time, when pressing the decline button on the master cock, motor 14 backward rotation, power take-off shaft drives air pump 15 work by isolator 13, air pump 15 makes the piston action in the conducting cylinder 9, fuel-return valve 8 is opened, and hydraulic oil is back in the fuel tank 11 by delivery line 7 from the oil suction chamber in the oil cylinder 3, and push rod 5 can reset.
Described valve 16 can be split-type structural, and it is to be made of valve body 18 and the connector 17 that is spill, and both interconnect, and connector 17 communicates with air delivering pipeline 10.Be respectively equipped with lose heart passage and filling channel in valve body 18, the admission port of lose heart passage and filling channel communicates with air delivering pipeline 10, and their air extractor duct communicates.In the passage that loses heart, between admission port and air extractor duct, be provided with the spool 19 that loses heart, one end of disappointing spool 19 is tapered, in the passage that loses heart, be provided with the ledge structure that matches with this tapered end, at another the distolateral spring 20 that is provided with of spool 19 that loses heart, under the effect of spring 20 elastic force, more after a little while, spool 19 and the interior corresponding construction flush fit of disappointing passage lose heart in air delivering pipeline 10 compressed air amounts.Elastic force to spring 20 will have certain requirement, under normal circumstances, its elastic force is larger than the operation pressure of above-mentioned conducting cylinder 9, promptly after conducting cylinder 9 is finished the work, pressurized air in the air delivering pipeline 10 can be backed down the spool 19 that loses heart, and makes pressurized air discharge the external world in the passage that loses heart.In filling channel in it admission port and air extractor duct between be provided with T-shaped gas bar 21, in filling channel, be provided with the step surface that matches with it, and gas bar 21 can endwisely slip in filling channel.If have pressurized air in the air delivering pipeline 10, then pressurized air can make gas bar 21 and the interior step surface flush fit of filling channel.But, when charging connector on the vehicle tyre matched, this charging connector can make gas bar 21 that longitudinal travel takes place in filling channel at valve 16, left the gap thereby make between the step surface in gas bar 21 and the loading line, pressurized air can flow through in this gap, and is filled in the tire of vehicle.
On described master cock, also the inflation button can be set, between the decline button on this inflation button and master cock is relation in parallel, presses when inflating button or decline button, and backward rotation all takes place motor 14, air pump 15 work, thus source of the gas provided for valve 16.
It should be noted that weight pushed up lift put in place after, if operation finishes, should forbid pressing decline button or inflation button, in order to avoid accident occurs.
Claims (7)
1, a kind of dual-use hydraulic electric jack, comprise oil cylinder, be located at in-oil cylinder piston mandril structure, fuel tank and the oil pump that communicates with oil cylinder by delivery line respectively, communicate between oil pump and the fuel tank, oil pump and motor power output shaft link, on the delivery line between fuel tank and the oil cylinder, be provided with fuel-return valve, it is characterized in that, the both sides of motor (14) are stretched out at described power take-off shaft two ends respectively, on power take-off shaft, be provided with air pump (15), the both sides of air pump (15) and oil pump (12) apportion motor, air pump (15) leads to fuel-return valve (8) with the delivery line (7) between control fuel-return valve (8) cut-out or conducting fuel tank (11) and the oil cylinder (3) by air delivering pipeline (10); Between oil pump (12) and power take-off shaft, and be equipped with isolator (13) between air pump (15) and the moving output shaft, the structure of these two isolators (13) is provided with on the contrary.
2, dual-use hydraulic electric jack according to claim 1 is characterized in that, described vent line (10) end is provided with and the joining conducting cylinder of fuel-return valve (8) (9).
3, dual-use hydraulic electric jack according to claim 1 is characterized in that, described vent line (10) is provided with valve (16).
According to claim 1 or 2 or 3 described dual-use hydraulic electric jacks, it is characterized in that 4, described oil cylinder (3) bottom is provided with base (1), described motor (14), fuel tank (11) all are arranged on the base (1).
5, dual-use hydraulic electric jack according to claim 4 is characterized in that, the top of described push rod (5) is provided with top board (4).
6, dual-use hydraulic electric jack according to claim 5 is characterized in that, is provided with extension spring (2) between described top board (4) and the base (1).
7, dual-use hydraulic electric jack according to claim 3, it is characterized in that, it is characterized in that, be provided with lose heart passage and filling channel in the described valve (16), the admission port of disappointing passage and filling channel all communicates with described air delivering pipeline (10), their air extractor duct communicates, and is provided with disappointing spool (19) in the passage that loses heart between admission port and air extractor duct, is provided with T shape gas bar (21) in filling channel between admission port and air extractor duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201383148U CN201288045Y (en) | 2008-09-16 | 2008-09-16 | Dual-purpose hydraulic electric jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201383148U CN201288045Y (en) | 2008-09-16 | 2008-09-16 | Dual-purpose hydraulic electric jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201288045Y true CN201288045Y (en) | 2009-08-12 |
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ID=40979722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201383148U Expired - Lifetime CN201288045Y (en) | 2008-09-16 | 2008-09-16 | Dual-purpose hydraulic electric jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201288045Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103979457A (en) * | 2014-06-09 | 2014-08-13 | 赖华东 | Air-bag type jack |
| CN103991594A (en) * | 2014-04-29 | 2014-08-20 | 成都联创精密机械有限公司 | Material compressing device with adjustable height |
| CN105152070A (en) * | 2015-07-10 | 2015-12-16 | 徐州市建科技术有限公司 | Integrated jack for static load test of building pile foundation |
| CN107953734A (en) * | 2017-12-25 | 2018-04-24 | 常飞鹏 | Antiskid chain |
| CN108100917A (en) * | 2017-12-30 | 2018-06-01 | 俞巍 | A kind of light-duty hoisting apparatus of stabilization |
| CN108946551A (en) * | 2018-07-20 | 2018-12-07 | 芜湖清柏白露智能信息科技有限公司 | A kind of auto repair lifting device |
-
2008
- 2008-09-16 CN CNU2008201383148U patent/CN201288045Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991594A (en) * | 2014-04-29 | 2014-08-20 | 成都联创精密机械有限公司 | Material compressing device with adjustable height |
| CN103991594B (en) * | 2014-04-29 | 2016-06-15 | 成都联创精密机械有限公司 | A kind of adjustable for height material pressing device |
| CN103979457A (en) * | 2014-06-09 | 2014-08-13 | 赖华东 | Air-bag type jack |
| CN105152070A (en) * | 2015-07-10 | 2015-12-16 | 徐州市建科技术有限公司 | Integrated jack for static load test of building pile foundation |
| CN105152070B (en) * | 2015-07-10 | 2017-12-15 | 中国建材检验认证集团徐州有限公司 | A kind of building pile foundation static load test integration jack |
| CN107953734A (en) * | 2017-12-25 | 2018-04-24 | 常飞鹏 | Antiskid chain |
| WO2019127620A1 (en) * | 2017-12-25 | 2019-07-04 | 常飞鹏 | Anti-skid chain |
| CN107953734B (en) * | 2017-12-25 | 2019-08-23 | 常飞鹏 | Antiskid chain |
| CN108100917A (en) * | 2017-12-30 | 2018-06-01 | 俞巍 | A kind of light-duty hoisting apparatus of stabilization |
| CN108946551A (en) * | 2018-07-20 | 2018-12-07 | 芜湖清柏白露智能信息科技有限公司 | A kind of auto repair lifting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WENLING XINLEI AIR COMPRESSOR CO., LTD. Free format text: FORMER OWNER: CHEN HUAJUN Effective date: 20110516 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 318050 QIAOYANG VILLAGE, FENGJIANG SUBDISTRICT, LUQIAO DISTRICT, TAIZHOU CITY, ZHEJIANG PROVINCE TO: 317500 WENLING XINLEI COMPRESSOR CO., LTD., INDUSTRY CITY, WENLING CITY, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110516 Address after: 317500 Zhejiang city in Wenling Province, the industrial city of Wenling City Xinlei Air Compressor Co. Ltd. Patentee after: Wenling Xinlei Air Compressor Co., Ltd. Address before: 318050, Zhejiang, Taizhou province Luqiao District Feng Jiang Street Bridge Village Patentee before: Chen Huajun |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 317500 Zhejiang city in Wenling Province, the industrial city of Wenling City Xinlei Air Compressor Co. Ltd. Patentee after: Compressor Xinlei Limited by Share Ltd Address before: 317500 Zhejiang city in Wenling Province, the industrial city of Wenling City 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: 20090812 |
|
| CX01 | Expiry of patent term |