CN102556884B - Portable dual-purpose hydraulic jack for vehicles - Google Patents
Portable dual-purpose hydraulic jack for vehicles Download PDFInfo
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- CN102556884B CN102556884B CN201210009462.0A CN201210009462A CN102556884B CN 102556884 B CN102556884 B CN 102556884B CN 201210009462 A CN201210009462 A CN 201210009462A CN 102556884 B CN102556884 B CN 102556884B
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Abstract
The invention relates to a portable dual-purpose hydraulic jack for vehicles. The technical scheme includes that a hydraulic jacking device of the jack is arranged on one side of a base, a mount is arranged on the other side of the base, an oil tank is arranged on one side of the mount facing the hydraulic jacking device, and a motor is mounted on the other side of the mount. The oil tank is made of elastic materials and in a 'concave' bag-type structure, a concave opening of the oil tank is clamped on a telescopic arm of the hydraulic jacking device, an opening end of the oil tank is hermetically fixed on the mount, an oil pump device is arranged in the oil tank, an oil inlet of the oil pump device faces the oil tank, both the mount and the base are provided with oil supply passages, one ends of the oil supply passages are connected with the oil pump device, and the other ends of the oil supply passages are connected to the hydraulic jacking device. The concave opening of the oil tank having the 'concave' bag type structure is clamped on the telescopic arm of the hydraulic jacking device, the problem about arrangement of the oil tank is solved, and meanwhile, the size of the oil tank is reduced due to the fact that the oil pump device is arranged in the oil tank directly.
Description
Technical field
The present invention relates to a kind of vehicle jack device.
Background technology
Sedan-chair jack for vehicles generally adopts hydraulic structure, makes the top of jack lift device rise by manual control hydraulic oil, and this jack general structure is heavier, be difficult for carrying, and operation effort.Existing appearance adopts 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 electric hydraulic jack for vehicle use, this jack comprises the motor that oil sources case is connected with described oil sources case, by the oil pump of driven by motor and be provided with the oil cylinder of piston rod, between described oil pump and oil cylinder, be provided with unidirectional controlled valve, unidirectional controlled valve is provided with valve cavity, described valve cavity comprises valve cavity and lower valve cavity, between described two valve cavitys, be provided with the first logical hydraulic fluid port, in described upper valve cavity, be provided with and can adjust with the forward and reverse rotation of motor the check valve of oil circuit direction, in described lower valve cavity, be provided with 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 communicating with fuel tank, with the joining motor of oil pump, in oil cylinder, be provided with push rod, the inner end of push rod is provided with piston, piston is divided into oil cylinder to stretch out oil pocket and indentation oil pocket, oil pump respectively by delivery line with stretch out oil pocket and indentation oil pocket communicates, described delivery line is provided with balance cock, this balance cock comprises compensating cylinder and is located at the balanced plug in compensating cylinder, balanced plug is divided into Zuo Qiangheyou chamber compensating cylinder, left chamber with stretch out oil pocket and communicate, right chamber communicates with indentation oil pocket, in Zuo Qiang Heyou chamber, be respectively equipped with the movable plugging structure for liquid for plugging force feed, two described delivery lines pass through respectively plugging structure, described balanced plug can be slided in compensating cylinder, balanced plug can make a certain plugging structure conducting after sliding.
Chinese invention patent (application number: 200910301429.3 applyings date: 2009-04-09) disclose a kind of dual-use hydraulic electric jack, comprise hydraulic jacking mechanism, oil pump, fuel tank, delivery line, motor, Ding Ju mechanism, oil pump, fuel tank is all connected on delivery line, between oil Pump and Electromotor, be provided with transmission device, 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, between gas Pump and Electromotor, be provided with transmission device, air pump communicates with air delivering pipeline, in the position of motor, be provided with and control the trip gear that between motor and air pump or oil pump, whether transmission device is connected.
Chinese invention patent application (application number: 201010177728.3 applyings date: the oil supply structure that 2010-05-20) discloses a kind of hydraulic electric jack, described hydraulic electric jack also comprises base and top act structure, oil supply structure comprises fuel tank, oil inlet passage and oil discharge passage, described fuel tank is arranged on the base of motor-driven jack, described oil inlet passage and oil discharge passage one end are all connected with fuel tank, the other end is all lifted structure with the top of hydraulic electric jack and is connected, described fuel tank is cryptomere, and this fuel tank adopts elastomeric material to make.For 201010177728.3 patents, fuel tank is oil supply structure that cryptomere solved hydraulic electric jack and the technical matters such as has easy leakage of oil, a jack easily contaminated, service life is shorter.But fuel tank and motor-driven jack minute are arranged, so just greatly increased the volume of whole device, be not easy to carry and store.And small and exquisite for jack for car, using easy to carry is a requirement.
In addition, for relating to oil pump and by-pass valve control in 200620107377.8 patents, because oil pump and valve in existing technology are generally design separately, such design has not only increased the volume of product, meanwhile, the phenomenon that easily occurs leakage of oil for the place of oil pump and a plurality of by-pass valve control settings.
Summary of the invention
The technological deficiency existing in order to solve the oil supply structure of the hydraulic electric jack described in 201010177728.3 above-mentioned patents, the object of this invention is to provide a kind of portable vehicle dual-purpose electric hydraulic jack, this jack has solved the problem that fuel tank arranges, greatly dwindled the volume of single unit system, make product more small and exquisite, be easy to carry and store.
In order to realize above-mentioned object, the present invention has adopted following technical scheme:
A kind of portable vehicle dual-purpose electric hydraulic jack, this jack comprises hydraulic jacking device, oil pump device, fuel tank, motor, support and air pump, motor is arranged between oil pump device and air pump, and motor drives respectively oil pump device and air pump by shifter switching is set; Described hydraulic jacking device is arranged on a side of support, and the opposite side of support is provided with mount pad, mount pad towards a side of hydraulic jacking device described fuel tank is set, the opposite side of mount pad arranges described motor; Described fuel tank adopts elastomeric material to make, fuel tank is capsule formula " spill " structure, the recess of fuel tank is stuck on the telescopic boom of hydraulic jacking device, the open end sealing of fuel tank is fixed on mount pad, described oil pump device is arranged in fuel tank, and the oil inlet of oil pump device is offered towards fuel tank, and is provided with oil supply gallery on described mount pad and support, oil supply gallery one end connects oil pump device, and the other end is connected to hydraulic jacking device.
As preferably, above-mentioned elastomeric material adopts rubber.
As further improvement, above-mentioned oil pump device comprises gear type pump and by-pass valve control, described gear type pump comprises gear, protecgulum and bonnet, protecgulum is fixedly connected with described mount pad, described gear is arranged in the gear type pump cavity of protecgulum and bonnet formation, and be connected with described motor-driven, described by-pass valve control is integrated to be arranged on protecgulum.
As further improving again, by-pass valve control cavity is set on above-mentioned protecgulum, by-pass valve control cavity is outside equipped with the first plug sealing, in by-pass valve control cavity, slides and is provided with sliding shoe, and sliding shoe is divided into the first cavity and the second cavity by by-pass valve control cavity; On the first cavity, be provided with the first oil circuit, the first oil circuit is communicated with the upper hydraulic fluid port of gear type pump, is the first cavity fuel feeding in gear forward; The outer end of the first described cavity is provided with the 3rd cavity, the first cavity is connected by the first logical hydraulic fluid port with the 3rd cavity, on the first logical hydraulic fluid port, be provided with for sealing the oil outlet one-way valve of the first logical hydraulic fluid port, described sliding shoe is provided with to move on can be with sliding shoe and backs down oil outlet one-way valve and make the first logical unlimited push rod of hydraulic fluid port in the first cavity, and being provided with oil outlet on the 3rd cavity, oil outlet connects described oil supply gallery; On the second described cavity, be provided with the second oil circuit, the second oil circuit is communicated with the lower hydraulic fluid port of gear type pump, in gear reversion, it is the second cavity fuel feeding, and be provided with fuel return hole on the sidewall of the by-pass valve control cavity sealing at sliding shoe, fuel return hole is connected to described fuel tank, when described fuel return hole moves on sliding shoe, is conducted with the second described oil circuit; On described bonnet, be fixed with in line check valve, the inner of in line check valve is connected with the lower hydraulic fluid port of described gear type pump, and the outer end of in line check valve is provided with oil inlet, and oil inlet is communicated with described fuel tank.
As further improving again, on above-mentioned bonnet, be also fixed with by pass valve, the inner of by pass valve is connected with the upper hydraulic fluid port of described gear type pump, and the outer end of by pass valve is communicated with described fuel tank.When load pressure is greater than 1.2T (this value can be adjusted setting), by pass valve is opened, and high pressure oil out of oil pump comes back to fuel tank through this oil circuit, in order to avoid damage product because of overload.
As further improving again, above-mentioned by pass valve comprises valve body, needle, stage clip and set screw, the inner of valve body is connected with the upper hydraulic fluid port of described gear type pump, the first described oil outlet is arranged on the outer end of valve body, described needle is arranged on valve body inner sealing oil outlet and upper hydraulic fluid port, and described stage clip is arranged in set screw, and the rear end of stage clip and needle offsets, described set screw and valve body are threaded connection, and are provided with captive nut in the outer end of set screw.
As further improving again, on above-mentioned bonnet, be also fixed with Fuel Tanking Unit, Fuel Tanking Unit comprises oil storage plug, bonnet is provided with the 3rd oil through in the inner of oil storage plug, the 3rd oil through is connected with the upper hydraulic fluid port of described gear type pump, and the outer end of oil storage plug is provided with for connecting the second oil outlet of fuel tank; The inner chamber of oil storage plug is provided with the separator for shutoff cavity two ends, and separator is divided into two cavitys by the inner chamber of oil storage plug.When rising, hydraulic jacking device gives the first oil circuit fuel feeding by oil pump, separator is fitted in the left side of oil storage plug inner chamber under the effect of oil pressure, make to be full of in oil storage cavity hydraulic oil, when hydraulic jacking device declines, motor reversal, oil suction, the hydraulic oil in oil storage cavity makes enough oil promote sliding shoe and backs down oil outlet one-way valve, efficiently solves the problem that declines and be obstructed.
As further improving again, the steel ball that above-mentioned separator adopts diameter to match with oil storage plug inner chamber.
As further improving, above-mentioned oil outlet one-way valve comprises the second plug, spring and steel ball again, and the second plug is fixed on protecgulum, and spring is arranged on the second plug Nei， outer end and steel ball offsets, and steel ball and the first logical hydraulic fluid port offset and seal the first logical hydraulic fluid port.
As further improving, above-mentioned in line check valve comprises valve body, spring and steel ball again, and valve body is fixed on bonnet, and spring is arranged on body cavity, and steel ball one end and spring offset, other end closed valve inner chamber.
As further improving, the centre of above-mentioned sliding shoe is provided with for sealing the O type circle of the first cavity and the second cavity again.
The present invention is owing to having adopted above-mentioned technical scheme, first the capsule formula structure of fuel tank being made to " spill ", the recess of fuel tank is stuck on the telescopic boom of hydraulic jacking device, has solved the problem that arranges of fuel tank, oil pump device has directly been accomplished in fuel tank simultaneously, reduced the volume arranging.Further, the present invention is also integrated into by-pass valve control in oil pump, and the volume of product is dwindled greatly, and this oil pump can directly install in fuel tank simultaneously, effectively reduces the probability of leakage of oil, has feature simple in structure, easy to use.
Accompanying drawing explanation
Fig. 1 is principle of the invention structural representation.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the structural representation of oil pump device of the present invention.
Fig. 4 is the structural representation of by-pass valve control and oil outlet one-way valve.
Fig. 5 is the structural representation of by pass valve.
Fig. 6 is the structural representation of Fuel Tanking Unit.
Fig. 7 is the structural representation of in line check valve.
The specific embodiment
A kind of portable vehicle dual-purpose electric hydraulic jack as shown in Figure 1 and Figure 2, this jack comprises hydraulic jacking device 1, oil pump device 4, fuel tank 6, motor 5, support 10 and air pump 12, motor 5 is arranged between oil pump device 4 and air pump 12, and motor 5 drives respectively oil pump device 4 and air pump 12 by shifter 13 switchings are set; Air pump 12 is connected with valve 14, and the shifter 13 the present invention relates to can adopt the structure of pulling of 200910301429.3 patents propositions, and the power supply of motor 5 can be quoted the power supply of vehicle power plug.Described hydraulic jacking device 1 is arranged on a side of support 10, and the opposite side of support 10 is provided with mount pad 11, mount pad 11 towards a side of hydraulic jacking device 1 described fuel tank 6 is set, the opposite side of mount pad 11 arranges described motor 5; Described fuel tank 6 adopts elastomeric material to make, fuel tank 6 is capsule formula " spill " structure, the recess 61 of fuel tank 6 is stuck on the telescopic boom of hydraulic jacking device 1, the opening sealing of fuel tank 6 is fixed on mount pad 11, described oil pump device 4 is arranged in fuel tank 6, and the oil inlet of oil pump device 4 is offered towards fuel tank 6, and is provided with oil supply gallery 15 on described mount pad 11 and support 10, oil supply gallery 15 one end connect oil pump device 4, and the other end is connected to hydraulic jacking device 1.
As shown in Figure 7, on described bonnet 42, be fixed with in line check valve 9, bonnet 42 is provided with the first oil through 45 in the inner of in line check valve 9, the first oil through 45 is connected with the lower hydraulic fluid port 48 of described gear type pump, the outer end of in line check valve is provided with for connecting the oil inlet port 92 of fuel tank 6, described in line check valve comprises valve body 91, spring 94 and steel ball 93, valve body 91 is fixed on the top of the first oil through 45, spring 94 is arranged on the inner chamber of valve body 91, spring 94 belows and the first oil through 45 offset, steel ball 93 one end and spring 94 offset, the inner chamber of other end closed valve 91.
As shown in Figure 5, on bonnet 42, be also fixed with by pass valve 7, bonnet 42 is provided with the second oil through 46, the second oil throughs 46 and is connected with the upper hydraulic fluid port 49 of described gear type pump in the inner of by pass valve 7, the outer end of by pass valve 7 is provided with for connecting the first oil outlet 76 of fuel tank 6.By pass valve 7 comprises valve body 71, needle 74, stage clip 75 and set screw 72, the inner of valve body 71 is arranged on the top of the second oil through 46, the first described oil outlet 76 is arranged on valve body 71 outer end, described needle 74 is arranged on valve body 71 inner sealing the first oil outlets 76 and upper hydraulic fluid port 49, described stage clip 75 is arranged in set screw 72, stage clip 75 offsets with needle 74 rear end, described set screw 72 is threaded connection with valve body 71, and is provided with captive nut 73 in set screw 72 outer end.When load pressure is greater than 1.2T, this value can be adjusted setting, and by pass valve 7 is opened, and high pressure oil out of oil pump comes back to fuel tank 6 through oil circuit, in order to avoid damage product because of overload.
As shown in Figure 6, on bonnet 42, be also fixed with Fuel Tanking Unit 8, Fuel Tanking Unit 8 comprises oil storage plug 81, bonnet 42 is provided with the 3rd oil through 47 in the inner of oil storage plug 81, the 3rd oil through 47 is connected with the upper hydraulic fluid port 49 of described gear type pump, and oil storage plug 81 outer end is provided with for connecting the second oil outlet 85 of fuel tank 6; The inner chamber of oil storage plug 81 is provided with the separator 83 for shutoff cavity two ends, the steel ball that separator 83 adopts diameter to match with oil storage plug 81 inner chambers, and separator 83 is divided into two cavitys by the inner chamber of oil storage plug 81.
As shown in Figure 1, while needing hydraulic jacking device 1 to rise, by gear type pump, give the first oil circuit 22 fuel feeding, oil pressure is pushed oil outlet one-way valve open rises hydraulic jacking device 1 to oil supply gallery 15 fuel feeding, simultaneously separator 83 is fitted in the second oil outlet 85 under the effect of oil pressure, makes to be full of in oil storage cavity hydraulic oil.When needs hydraulic jacking device 1 declines, motor 5 reversions, oil suction, hydraulic oil in oil storage cavity makes enough oil promote sliding shoe 3 and backs down oil outlet one-way valve, efficiently solve the problem that declines and be obstructed, expose fuel return hole 24 simultaneously, oil is got back to fuel tank through the second oil circuit 23, fuel return hole 24.
Claims (10)
1. a portable vehicle dual-purpose electric hydraulic jack, this jack comprises hydraulic jacking device (1), oil pump device (4), fuel tank (6), motor (5), support (10) and air pump (12), motor (5) is arranged between oil pump device (4) and air pump (12), and motor (5) drives respectively oil pump device (4) and air pump (12) by shifter (13) switching is set, it is characterized in that: hydraulic jacking device (1) is arranged on a side of support (10), the opposite side of support (10) is provided with mount pad (11), mount pad (11) towards a side of hydraulic jacking device (1) described fuel tank (6) is set, the opposite side of mount pad (11) arranges described motor (5), described fuel tank (6) adopts elastomeric material to make, fuel tank (6) is capsule formula " spill " structure, the recess of fuel tank (6) is stuck on the telescopic boom of hydraulic jacking device (1), the open end sealing of fuel tank (6) is fixed on mount pad (11), described oil pump device (4) is arranged in fuel tank (6), the oil inlet of oil pump device (4) is offered towards fuel tank (6), and be provided with oil supply gallery (15) on described mount pad (11) and support (10), oil supply gallery (15) one end connects oil pump device (4), the other end is connected to hydraulic jacking device (1).
2. a kind of portable vehicle dual-purpose electric hydraulic jack according to claim 1, it is characterized in that: oil pump device (4) comprises gear type pump and by-pass valve control (2), described gear type pump comprises gear (50), protecgulum (41) and bonnet (42), protecgulum (41) is fixedly connected with described mount pad (11), described gear (50) is arranged in the gear type pump cavity of protecgulum (41) and bonnet (42) formation, and be in transmission connection with described motor (5), described by-pass valve control (2) is integrated to be arranged on protecgulum (41).
3. a kind of portable vehicle dual-purpose electric hydraulic jack according to claim 2, it is characterized in that: described protecgulum arranges by-pass valve control cavity on (41), by-pass valve control cavity is outside equipped with the first plug (43) sealing, in by-pass valve control cavity, slide and be provided with sliding shoe (3), sliding shoe (3) is divided into the first cavity (20) and the second cavity (30) by by-pass valve control cavity, on the first cavity (20), be provided with the first oil circuit (22), the first oil circuit (22) is communicated with the upper hydraulic fluid port (49) of gear type pump, is the first cavity (20) fuel feeding in gear (50) forward, the outer end of described the first cavity (20) is provided with the 3rd cavity (40), the first cavity (20) is connected by the first logical hydraulic fluid port (27) with the 3rd cavity (40), on the first logical hydraulic fluid port (27), be provided with for sealing the oil outlet one-way valve of the first logical hydraulic fluid port (27), described sliding shoe (3) is provided with and can backs down oil outlet one-way valve and make the first logical unlimited push rod (31) of hydraulic fluid port (27) with moving on sliding shoe (3) in the first cavity (20), and be provided with the first oil outlet (21) on the 3rd cavity (40), the first oil outlet (21) connects described oil supply gallery (15), on described the second cavity (30), be provided with the second oil circuit (23), the second oil circuit (23) is communicated with the lower hydraulic fluid port (48) of gear type pump, in gear (50) reversion, it is the second cavity (30) fuel feeding, and be provided with fuel return hole (24) on the sidewall of the by-pass valve control cavity sealing at sliding shoe (3), fuel return hole (24) is connected to described fuel tank (6), when described fuel return hole (24) moves on sliding shoe (3), is conducted with described the second oil circuit (23), on described bonnet (42), be fixed with in line check valve (9), the inner of in line check valve (9) is connected with the lower hydraulic fluid port (48) of described gear type pump, the outer end of in line check valve (9) is provided with oil inlet port (92), and oil inlet port (92) is communicated with described fuel tank (6).
4. a kind of portable vehicle dual-purpose electric hydraulic jack according to claim 3, it is characterized in that: on bonnet (42), be also fixed with by pass valve (7), the inner of by pass valve (7) is connected with the upper hydraulic fluid port (49) of described gear type pump, and the outer end of by pass valve (7) is communicated with described fuel tank (6).
5. a kind of portable vehicle dual-purpose electric hydraulic jack according to claim 4, it is characterized in that: by pass valve (7) comprises valve body (71), needle (74), stage clip (75) and set screw (72), the inner of valve body (71) is connected with the upper hydraulic fluid port (49) of described gear type pump, described the first oil outlet (21) is arranged on the outer end of valve body (71), described needle (74) is arranged on valve body (71) inner sealing oil outlet (21) and upper hydraulic fluid port (49), described stage clip (75) is arranged in set screw (72), stage clip (75) offsets with the rear end of needle (74), described set screw (72) is threaded connection with valve body (71), and be provided with captive nut (73) in the outer end of set screw (72).
6. according to a kind of portable vehicle dual-purpose electric hydraulic jack described in claim or 3, it is characterized in that: on bonnet (42), be also fixed with Fuel Tanking Unit (8), Fuel Tanking Unit (8) comprises oil storage plug (81), bonnet (42) is provided with the 3rd oil through (47) in the inner of oil storage plug (81), the 3rd oil through (47) is connected with the upper hydraulic fluid port (49) of described gear type pump, and the outer end of oil storage plug (81) is provided with for connecting second oil outlet (85) of fuel tank (6); The inner chamber of oil storage plug (81) is provided with the separator (83) for shutoff cavity two ends, and separator (83) is divided into two cavitys by the inner chamber of oil storage plug (81).
7. a kind of portable vehicle dual-purpose electric hydraulic jack according to claim 6, is characterized in that: the steel ball that separator (83) adopts diameter to match with oil storage plug (81) inner chamber.
8. a kind of portable vehicle dual-purpose electric hydraulic jack according to claim 3, it is characterized in that: oil outlet one-way valve comprises the second plug (44), spring (25) and steel ball (26), the second plug is fixed on protecgulum (41), spring (25) is arranged in the second plug (44), outer end and steel ball (26) offset, and steel ball (26) offsets and seals the first logical hydraulic fluid port (27) with the first logical hydraulic fluid port (27).
9. a kind of portable vehicle dual-purpose electric hydraulic jack according to claim 3, it is characterized in that: in line check valve (9) comprises valve body (91), spring (93) and steel ball (94), valve body (91) is fixed on bonnet (42), spring (93) is arranged on valve body (91) inner chamber, steel ball (94) one end and spring (93) offset, other end closed valve (91) inner chamber.
10. a kind of portable vehicle dual-purpose electric hydraulic jack according to claim 3, is characterized in that: the centre of sliding shoe (3) is provided with for sealing the O type circle (32) of the first cavity (20) and the second cavity (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210009462.0A CN102556884B (en) | 2012-01-13 | 2012-01-13 | Portable dual-purpose hydraulic jack for vehicles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210009462.0A CN102556884B (en) | 2012-01-13 | 2012-01-13 | Portable dual-purpose hydraulic jack for vehicles |
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| CN102556884A CN102556884A (en) | 2012-07-11 |
| CN102556884B true CN102556884B (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210009462.0A Active CN102556884B (en) | 2012-01-13 | 2012-01-13 | Portable dual-purpose hydraulic jack for vehicles |
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| CN104858777A (en) * | 2015-05-19 | 2015-08-26 | 朱德金 | Electric supporter for shot blasting machine |
| CN106241642A (en) * | 2016-08-29 | 2016-12-21 | 凯迈（洛阳）测控有限公司 | Horizontal jack |
| CN107215803B (en) * | 2017-06-27 | 2022-09-20 | 宁波如意股份有限公司 | Oil pressure type jack |
| CN108150463A (en) * | 2018-02-01 | 2018-06-12 | 浙江微力电动科技有限公司 | Integral electric hydraulic system |
| CN111099513A (en) * | 2018-10-28 | 2020-05-05 | 国营四达机械制造公司 | Hydraulic jack for airplane |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222256Y (en) * | 1995-06-26 | 1996-03-13 | 江苏省金坛市阀门厂 | Integrated hydraulic power device |
| EP1437321A1 (en) * | 2003-01-10 | 2004-07-14 | Otis Elevator Company | Jack lifting-device, particularly for oleo-dynamic elevator systems |
| DE69918834T2 (en) * | 1999-10-08 | 2005-07-21 | Mvp (H.K.) Industries Ltd., North Point | Oil circuit for a jack |
| CN201024061Y (en) * | 2007-03-20 | 2008-02-20 | 谢买升 | Improved pneumatic hydraulic jack |
| CN101537991A (en) * | 2009-04-09 | 2009-09-23 | 陈华军 | Dual-use hydraulic electric jack |
| CN201495071U (en) * | 2009-07-10 | 2010-06-02 | 福州斯耐特机械设备有限公司 | Pneumatic hydraulic jack |
| CN201574063U (en) * | 2009-12-28 | 2010-09-08 | 夏博文 | Portable multipurpose hydraulic jack |
| CN202465173U (en) * | 2012-01-13 | 2012-10-03 | 温岭市鑫磊空压机有限公司 | Portable vehicle double-purpose electric hydraulic jack |
-
2012
- 2012-01-13 CN CN201210009462.0A patent/CN102556884B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222256Y (en) * | 1995-06-26 | 1996-03-13 | 江苏省金坛市阀门厂 | Integrated hydraulic power device |
| DE69918834T2 (en) * | 1999-10-08 | 2005-07-21 | Mvp (H.K.) Industries Ltd., North Point | Oil circuit for a jack |
| EP1437321A1 (en) * | 2003-01-10 | 2004-07-14 | Otis Elevator Company | Jack lifting-device, particularly for oleo-dynamic elevator systems |
| CN201024061Y (en) * | 2007-03-20 | 2008-02-20 | 谢买升 | Improved pneumatic hydraulic jack |
| CN101537991A (en) * | 2009-04-09 | 2009-09-23 | 陈华军 | Dual-use hydraulic electric jack |
| CN201495071U (en) * | 2009-07-10 | 2010-06-02 | 福州斯耐特机械设备有限公司 | Pneumatic hydraulic jack |
| CN201574063U (en) * | 2009-12-28 | 2010-09-08 | 夏博文 | Portable multipurpose hydraulic jack |
| CN202465173U (en) * | 2012-01-13 | 2012-10-03 | 温岭市鑫磊空压机有限公司 | Portable vehicle double-purpose electric hydraulic jack |
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| CN102556884A (en) | 2012-07-11 |
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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. |