CN201419989Y - Dual-purpose hydraulic electric jack - Google Patents
Dual-purpose hydraulic electric jack Download PDFInfo
- Publication number
- CN201419989Y CN201419989Y CN2009203019979U CN200920301997U CN201419989Y CN 201419989 Y CN201419989 Y CN 201419989Y CN 2009203019979 U CN2009203019979 U CN 2009203019979U CN 200920301997 U CN200920301997 U CN 200920301997U CN 201419989 Y CN201419989 Y CN 201419989Y
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- motor
- oil pump
- connection seat
- air pump
- oil
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- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000003921 oil Substances 0.000 claims description 123
- 239000002828 fuel tank Substances 0.000 claims description 18
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 230000001737 promoting effect Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000000295 fuel oil Substances 0.000 claims description 2
- 239000010720 hydraulic oil Substances 0.000 description 19
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 230000002411 adverse Effects 0.000 description 7
- 230000001174 ascending effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 230000007423 decrease Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 motor Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The utility model discloses a dual-purpose hydraulic electric jack, and solves the fault that the prior hydraulic electric jack has single function. The structure is that the dual-purpose hydraulic electric jack comprises a hydraulic top holding structure, an oil pump, an oil tank, an oil pipeline and a motor, wherein the top holding structure, the oil pump and the oil tank are all connected on the oil pipeline, a transmission mechanism is arranged between the oil pump and the motor, a one-way valve is arranged between the oil tank and the oil pump, the oil pump is arranged on one end side ofthe motor, an air pump is arranged on the other end side of the motor, the transmission mechanism is arranged between the air pump and the motor, the air pump is communicated with a gas pipeline, anda trip mechanism which is to test whether the transmission mechanism is connected between the motor and the air pump or the oil pump is arranged on the position of the motor.
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.: 200620357377.8), 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 advantage simple in structure, applied widely.
For solveing the technical problem, the technical measures that the utility model is taked: a kind of dual-use hydraulic electric jack, comprise hydraulic jacking mechanism, oil pump, fuel tank, delivery line, motor, mechanism is lifted on the top, oil pump, fuel tank all is connected on the delivery line, be provided with transmission device between oil pump and the motor, between fuel tank and oil pump, be provided with check valve, it is characterized in that, described oil pump is positioned at the distolateral of motor, another distolateral place at motor is provided with air pump, be provided with transmission device between air pump and the motor, air pump communicates with air delivering pipeline, is provided with the trip gear that whether transmission device links between control motor and air pump or the oil pump in the position of motor.Described trip gear can determine motor and air pump still to link with oil pump, and air pump or oil pump can not worked simultaneously.When the driven by motor oil pump is worked, hydraulic oil can be driven in the oil cylinder that enters into top act mechanism by oil pump in fuel tank, setting because of described check valve, and the top in-house hydraulic oil of act can not be back in the fuel tank, continue to enter into the top in-house hydraulic oil of act and can impel the top to lift mechanism's work, with the heavy thing of top act.When the transmission device between motor and air pump links, the work of driven by motor air pump, the pressurized air that can produce in the air pump working process can be used to vehicle to carry out qi of chong channel ascending adversely.
As preferably, described air delivering pipeline is provided with valve, be provided with lose heart passage and filling channel in this 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.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.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.
Described air pump is connected on the air pump connection seat, and described oil pump is connected on the oil pump connection seat, and oil pump connection seat and air pump connection seat are linked together by pitman, and described motor is connected on the pitman slidably.By operating described trip gear, motor is slided selectively, towards oil pump or air pump direction so that oil pump or air pump carry out work.
As preferably, described motor end is provided with gusset piece, and gusset piece is socketed on the pitman with gap, and described trip gear is located on air pump connection seat or the oil pump connection seat.By gusset piece is set on motor, connects with activity between the pitman to realize motor, simple in structure, be convenient to setting.
As preferably, described trip gear is located on the air pump connection seat, and described gusset piece is one, and gusset piece is socketed with retracing spring near the oil pump connection seat on pitman, and this retracing spring is between oil pump connection seat and gusset piece.Utilize retracing spring and trip gear to match,, make trip gear simple in structure with the direction of slip of control motor on pitman.
As preferably, described trip gear comprises the knob of being located on the air pump connection seat, be provided with rotating eccentric switch block in the inside of air pump connection seat, switch block and knob link, be provided with in the outside of switch block can with the contacted promotion structure of the outer peripheral face of switch block, when the outer peripheral face of switch block slides, but promote of the direction motion of structure pushing motor towards the oil pump connection seat on promoting structure.Switch block is when rotating, and its outer peripheral face slides on the promotion structure, to change the position of motor on pitman.
As preferably, the cross-sectional plane of described switch block is fan-shaped, described promotion structure comprises promotion spring that is socketed on the pitman and the slurcam that is mounted slidably on the pitman, the two ends that promote spring respectively roof pressure on described slurcam and gusset piece, slurcam can with the outer peripheral face of described switch block on contact; On the air pump connection seat, be provided with inner end and extend into caging bolt in the switch block slewing area.The promotion spring that is provided with can increase the stability of motor in sliding process, is convenient to the connection of described transmission device.The caging bolt that is provided with can limit the rotational angle of switch block, so that the position of the motor after being subjected to displacement on pitman can maintain, has guaranteed the stability of transmission device transmission of power.
As preferably, described transmission device comprises the slot of being located at the inserted sheet that stretches out on air pump connection seat or the oil pump connection seat and being located at corresponding position, motor end, inserted sheet stretches out towards the end of motor, the movable maximum displacement on pitman of the length of inserted sheet external part and motor is corresponding, and inserted sheet can be plugged in the described slot with gap.Cooperatively interacting between inserted sheet by being located at the corresponding position and the slot realized the transmission of motor power, and simple in structure, transmission stability is good.
As preferably, described inserted sheet is a wedge angle near the end of motor.The end of inserted sheet is a wedge angle, has made things convenient for the grafting between inserted sheet and the slot, has improved the stability in the jack working process.
As preferably, described top is lifted mechanism and is provided with overcurrent protection structure.When the overcurrent protection structure that is provided with pushed up the heavy thing arrival of act vertex at jack, this structure can stop operating with the realization motor at this moment by the control to motor circuit, thereby reaches the purpose of protecting oil pump.
Therefore, the beneficial effects of the utility model:
Owing to be provided with air pump on the hydraulic electric jack, air pump can produce pressurized air when working under the drive of motor, utilize this pressurized air to carry out qi of chong channel ascending adversely for the tire of vehicle, has expanded hydraulic electric jack functions of use effectively.Utilize the connecting relation between described trip gear may command motor and oil pump or the air pump, can determine the work of air pump or oil pump easily, guaranteed the functional reliability of this dual-use hydraulic electric jack.
Description of drawings
Fig. 1 is the structural representation of the utility model dual-use hydraulic electric jack.
Fig. 2 is vertical amplification view of valve.
Fig. 3 is oil pump, motor, the structural representation when air pump is linked together, and this moment, the power of motor was delivered on the air pump.
Fig. 4 is oil pump, motor, the loose structure scheme drawing when air pump is linked together, and the transmission of power all can not take place between motor and oil pump, the air pump.
Fig. 5 is the end view of motor near air pump one side.
Fig. 6 is the air pump connection seat end view that is connected with air pump.
Fig. 7 is the structural representation of switch block.
Fig. 8 is the cutaway view of structure mechanics in the overload protection knot.
The specific embodiment
See Fig. 1, the structure of the utility model dual-use hydraulic electric jack comprises motor 14, top act mechanism, fuel tank 9, oil pump 12, and top act mechanism, fuel tank 9, oil pump 12 are connected on the delivery line.Described oil pump 12 is a geared oil pump, and described motor 14 is a permanent magnet DC motor.
The top is lifted mechanism and is comprised push rod 1 and oil cylinder 2, and push rod 1 is a secondary formula structure, and push rod is positioned at oil cylinder 2.Between oil pump 12 and oil cylinder 2, be provided with unidirectional controlled valve 3, have in the unidirectional controlled valve 3 and cut off 5, cutting off 5 makes and forms oil suction chamber and oil back chambers in the unidirectional controlled valve 3, cut off and have the oilhole that is communicated with oil suction chamber and oil back chamber on 5, in oil suction chamber, be provided with steel ball 4 in the position of this oilhole, steel ball 4 is blocked in the oral area of oilhole, is provided with the spring that is connected both between steel ball 4 and the unidirectional controlled valve 3.Be provided with the delivery line that is connected both between oil pump 12 and the oil cylinder 2, this delivery line is communicated with oil pump 12, oil back chamber, oilhole, oil suction chamber and oil cylinder 2 successively.Be provided with moving body 7 in oil back chamber, moving body 7 is near a distolateral thimble 6 that is provided with of described steel ball 4, and the diameter of thimble 6 is less than the diameter of described oilhole, and thimble 6 is corresponding with the position of described steel ball 4, and thimble 6 can be inserted in the oilhole, and steel ball 4 is backed down.Moving body 7 is separated into upper oil cavitie and lower oil cavitie to oil back chamber, and described thimble 6 is positioned at upper oil cavitie, and above-mentioned delivery line passes through upper oil cavitie.Be provided with oil return line 8 between lower oil cavitie in unidirectional controlled valve 3 and the fuel tank 9, the bottom position place of lower oil cavitie is provided with step 11, moving body 7 can be shelved on the step 11 when lifting mechanism's work on the top, and described moving body 7 can cover in the oil inlet of oil return line 8 when being shelved on the step 11.On the delivery line between oil pump 12 and the fuel tank 9, be provided with check valve 10.
When mechanism's work is lifted on the top in the hydraulic electric jack, hydraulic oil is pumped into the upper oil cavitie in the described oil back chamber in fuel tank 9 and through check valves 10 by oil pump 12, hydraulic oil backs down described steel ball 4 in the upper oil cavitie and enters in the oil suction chamber, and finally enter in the oil cylinder 2, drive push rod 1 and lift heavy thing with the top.Weight pushed up lift put in place after, motor 14 quits work, and withstands on the oral area of oilhole under the effect of steel ball 4 hydraulic fluid pressure in oil suction chamber, the hydraulic oil in this moment oil cylinder 2 and the oil suction chamber can transfixion, weight is maintained at the certain height position.When the decline weight, operating electrical machines 14 backward rotation, hydraulic oil in the upper oil cavitie can be under the effect of oil pump 12 counter-flow, because the effect of check valve 10, the hydraulic oil of counter-flow can directly not be fed directly in the fuel tank 9 in the delivery line between oil pump 12 and the fuel tank 9, but enter in the described lower oil cavitie, after hydraulic oil enters in the lower oil cavitie again because the minimizing of the hydraulic oil in the described upper oil cavitie, hydraulic oil can promote moving body 7 towards the direction motion that cuts off 5, thimble 6 on the moving body 7 can back down steel ball 4, thereby the hydraulic oil that participates in the heavy thing of top act can be back in the upper oil cavitie from the gap location that forms between steel ball 4 and the oilhole.After moving body 7 moved to certain distance, the oil inlet of described oil return line 8 can expose, and hydraulic oil can enter in the fuel tank 9 by oil return line, to finish the pushed up step-down operation of lifting heavy thing.The position of the oil inlet of oil return line 8 on unidirectional controlled valve 3 wall bodies has certain requirement, distance between this oil inlet and the step 11 should be slightly larger than the distance between thimble 6 ends and the steel ball 4, be convenient to like this that thimble 6 can fully back down steel ball 4 when oil return, hydraulic oil smooth and easy backflow in oil return line when ensureing the oil return operation.
Lift in the mechanism on described top and also to be provided with overcurrent protection structure, this overcurrent protection structure comprise the mechanics that communicates with unidirectional controlled valve 3 and with the joining change-over swith of the control circuit of motor 14.Wherein, mechanics can be to be set directly on the unidirectional controlled valve 3, or is arranged in 3 minutes with unidirectional controlled valve.The structure of this mechanics comprises housing 36 and the T shape piston of being located in the housing 36 37, is provided with pressure spring 38 between piston 37 and housing 36.Have the push rod that stretches out housing 36 outsides on the piston 37, housing 36 communicates with described oil back chamber in the unidirectional controlled valve 3 by delivery line.Described change-over swith is connected in the control circuit of motor 14, when weight is pushed up when lifting vertex, when if this moment, oil pump 12 worked under the drive of motor 14, the pressure of hydraulic oil will increase in the described oil back chamber, and described housing 36 inside are to communicate with oil back chamber, and hydraulic oil can make piston 37 overcome the elastic force of pressure spring 38, and the push rod on the piston 37 can contact with change-over swith, change-over swith makes that circuit for controlling motor is blocked, and motor quits work.When weight is put down,, make motor 14 counter-rotatings, and weight is put down by the operating electrical machines master cock.By described change-over swith and motor control switch realize motor 14 just commentaries on classics, stop or counter-rotating work.It should be noted that described pressure spring 38 acts on elastic force on the piston 37 and should be slightly larger than at weight and pushed up when lifting vertex, described piston 37 is subjected to the hydraulic oil applied pressure, and this can be easy to determine by test.
Above-mentioned trip gear is arranged on the side of air pump connection seat 28, structure comprises the knob 26 that is in the outside and is located at the eccentric switch block 32 of air pump connection seat 28 in-to-ins, one end and the knob 26 of switch block 32 link together, the other end of switch block 32 is a rotating shaft 33, rotating shaft 33 is shelved on the air pump connection seat 28, and knob 26 can drive switch block 32 and rotate together.The cross-sectional plane of switch block 32 is fan-shaped, is provided with inner end and can extend into caging bolt 25 in switch block 32 slewing areas on air pump connection seat 28.Switch block 32 is in rotation process, and two side planes above it can contact with caging bolt 25 respectively, thereby realizes the qualification of two positions of switch block 32.
Be provided with the promotion structure in the outside of switch block 32, this promotion structure can contact with the outer peripheral face of switch block 32, and when the outer peripheral face of switch block 32 slides on promoting structure, but pushing motor 14 is towards the direction motion of oil pump connection seat 22.Promoting structure comprises the promotion spring 34 that is socketed on the pitman 23 and is located at slurcam 27 on the pitman 23 slidably, the two ends that promote spring 34 act on respectively on described gusset piece 13 and the slurcam 27, and the surface of slurcam 27 can contact with the outer arcuate side face of described switch block 32.
Described promotion structure also can be at motor 14 near an end axis of air pump connection seats 28 to a set catch bar, the structure of catch bar is a bolt, the position of catch bar is corresponding with the position of described switch block 32, the outer end of catch bar can contact with the outer arcuate side face of switch block 32, when switch block 32 rotates, slide on this arc side face on the switch block 32 in the outer end of catch bar.Catch bar can be to be arranged on versatilely on the motor 14, promptly catch bar can be on motor 14 axial motion, on catch bar, be socketed with coil spring, these helical spring two ends act on respectively on motor 14 and the catch bar.
Be socketed with retracing spring 30 on pitman 23, retracing spring 30 is between gusset piece 13 and oil pump connection seat 22, and the two ends of retracing spring 30 difference roof pressure is on gusset piece 13 and oil pump connection seat 22.The elastic force of retracing spring 30 is less than described coil spring and promotes the elastic force of spring 34, promptly when switch block 32 rotates, switch block 32 compressing catch bar or slurcams 27, catch bar or slurcam 27 are exerted pressure by coil spring or 34 pairs of motors 14 of promotion spring, and overcome the elastic force of retracing spring 30, make the direction motion of motor towards oil pump 12.During switch block 32 backward rotation, the compressing that switch block 32 is removed catch bar or slurcam 27, under the effect of retracing spring 30 elastic force, motor 14 is towards the direction motion of air pump 15.During towards the motion of the direction of oil pump 12 or air pump 15, motor 14 can be connected with oil pump 12 or air pump 15 respectively at motor 14, to realize the transmission of power on oil pump 12 or the air pump 15 on the motor 14.
Above-mentioned transmission device comprises the inserted sheet 29 of being located at air pump connection seat 28 or oil pump connection seat 22 center positions and the slot 31 of being located at motor 14 end center positions, inserted sheet 29 reaches the outside of air pump connection seat 28 or oil pump connection seat 22, and the end of stretching out of inserted sheet 29 is a wedge angle.Inserted sheet 29 can be plugged in the described slot 31 with gap.When motor 14 was done aforesaid action on pitman 23, corresponding inserted sheet 29 can be plugged in the corresponding slot 31, and to realize the transmission of motor power on air pump 15 or the oil pump 12, motor can drive their work respectively.The length of described inserted sheet 29 external parts and motor 14 maximum coasting distance on pitman 23 adapts, be the length that the maximum coasting distance of motor 14 equals or be slightly larger than inserted sheet 29 external parts, motor 14 links with air pump 15 and oil pump 12 respectively under the effect of trip gear.The maximum coasting distance of motor 29 on pitman 23 is relevant with the shape and the size of switch block 32.
For the working condition of quantitative reaction air pump 15, on air pump 15, also be provided with air-pressure gauge 24, this air-pressure gauge 24 can reflect the air pump 15 compressed-air actuated pressure that produces, in order to avoid the phenomenon of blowing out in the qi of chong channel ascending adversely process.
This dual-use hydraulic electric jack can adopt three-state controller to control to the work of motor 14 when work, have " rising ", " decline " and " time-out " key on this controller, can set " rising " key is to be connected on the forward rotation control circuit of motor 14, " decline " key is to be connected on the backward rotation control circuit of motor 14, and " time-out " key is the power supply that is used to block motor 14.Described " decline " key also can be used as the qi of chong channel ascending adversely control key, or is provided with " qi of chong channel ascending adversely " key on controller, should " qi of chong channel ascending adversely " key be in parallel with " decline " key.When motor 14 and air pump 15 being linked, press " qi of chong channel ascending adversely " key this moment and can make motor 14 counter-rotatings, thereby drive air pump 15 work, to produce pressurized air by the operation trip gear.
Claims (10)
1. dual-use hydraulic electric jack, comprise hydraulic jacking mechanism, oil pump, fuel tank, delivery line, motor, mechanism is lifted on the top, oil pump, fuel tank all is connected on the delivery line, be provided with transmission device between oil pump and the motor, between fuel tank and oil pump, be provided with check valve, it is characterized in that, described oil pump (12) is positioned at the distolateral of motor (14), another distolateral place at motor (14) is provided with air pump (12), be provided with transmission device between air pump (15) and the motor (14), air pump (15) communicates with air delivering pipeline (35), is provided with the trip gear that whether transmission device links between control motor (14) and air pump (15) or the oil pump (12) in the position of motor (14).
2. dual-use hydraulic electric jack according to claim 1, it is characterized in that, it is characterized in that, described air delivering pipeline (35) is provided with valve (16), be provided with lose heart passage and filling channel in this valve (16), the admission port of disappointing passage and filling channel all communicates with described air delivering pipeline (35), their air extractor duct communicates, in the passage that loses heart, between admission port and air extractor duct, be provided with disappointing spool (19), in filling channel, between admission port and air extractor duct, be provided with T shape gas bar (21).
3. dual-use hydraulic electric jack according to claim 1 and 2, it is characterized in that, described air pump (15) is connected on the air pump connection seat (28), described oil pump (12) is connected on the oil pump connection seat (22), oil pump connection seat (22) and air pump connection seat (28) are linked together by pitman (23), and described motor (14) is connected on the pitman (23) slidably.
4. dual-use hydraulic electric jack according to claim 3, it is characterized in that, described motor (14) end is provided with gusset piece (13), and gusset piece (13) is socketed on the pitman (23) with gap, and described trip gear is located on air pump connection seat (28) or the oil pump connection seat (22).
5. dual-use hydraulic electric jack according to claim 4, it is characterized in that, described trip gear is located on the air pump connection seat (28), described gusset piece (13) is one, gusset piece (13) is near oil pump connection seat (22), be socketed with retracing spring (30) on pitman (23), this retracing spring (30) is positioned between oil pump connection seat (22) and the gusset piece (13).
6. dual-use hydraulic electric jack according to claim 5, it is characterized in that, described trip gear comprises the knob of being located on the air pump connection seat (28) (26), be provided with rotating eccentric switch block (32) in the inside of air pump connection seat (28), switch block (32) links with knob (26), be provided with in the outside of switch block (32) can with the contacted promotion structure of the outer peripheral face of switch block (32), when the outer peripheral face of switch block (32) slides, but promote the direction motion of structure pushing motor (14) towards oil pump connection seat (22) on promoting structure.
7. dual-use hydraulic electric jack according to claim 6, it is characterized in that, the cross-sectional plane of described switch block (32) is fan-shaped, described promotion structure comprises the promotion spring (34) that is socketed on the pitman (23) and is mounted slidably slurcam (27) on the pitman (23), the two ends that promote spring (34) respectively roof pressure on described slurcam (27) and gusset piece (13), slurcam (27) can with the outer peripheral face of described switch block (32) on contact; On air pump connection seat (28), be provided with inner end and extend into caging bolt (25) in switch block (32) slewing area.
8. dual-use hydraulic electric jack according to claim 7, it is characterized in that, described transmission device comprises the slot (31) of being located at the inserted sheet (29) that stretches out on air pump connection seat (28) or the oil pump connection seat (22) and being located at motor (14) corresponding position, end, inserted sheet (29) stretches out towards the end of motor (14), upward movable maximum displacement is corresponding at pitman (23) for the length of inserted sheet (29) external part and motor (14), and inserted sheet (29) can be plugged in the described slot (31) with gap.
9. dual-use hydraulic electric jack according to claim 8 is characterized in that, described inserted sheet (29) is a wedge angle near the end of motor (14).
10. dual-use hydraulic electric jack according to claim 1 and 2 is characterized in that, lifts in the mechanism on described top and is provided with overcurrent protection structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203019979U CN201419989Y (en) | 2009-04-09 | 2009-04-09 | Dual-purpose hydraulic electric jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203019979U CN201419989Y (en) | 2009-04-09 | 2009-04-09 | Dual-purpose hydraulic electric jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201419989Y true CN201419989Y (en) | 2010-03-10 |
Family
ID=41806642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203019979U Expired - Lifetime CN201419989Y (en) | 2009-04-09 | 2009-04-09 | Dual-purpose hydraulic electric jack |
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| Country | Link |
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| CN (1) | CN201419989Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010115354A1 (en) * | 2009-04-09 | 2010-10-14 | Chen Huajun | Dual-purpose hydraulic electric jack |
-
2009
- 2009-04-09 CN CN2009203019979U patent/CN201419989Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010115354A1 (en) * | 2009-04-09 | 2010-10-14 | Chen Huajun | Dual-purpose hydraulic electric jack |
| CN101537991B (en) * | 2009-04-09 | 2012-01-04 | 温岭市鑫磊空压机有限公司 | Dual-use hydraulic electric jack |
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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 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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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 |
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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 |
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| 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. |
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Granted publication date: 20100310 |
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| CX01 | Expiry of patent term |