CN202465170U - Portable electric hydraulic jack - Google Patents
Portable electric hydraulic jack Download PDFInfo
- Publication number
- CN202465170U CN202465170U CN2012200136525U CN201220013652U CN202465170U CN 202465170 U CN202465170 U CN 202465170U CN 2012200136525 U CN2012200136525 U CN 2012200136525U CN 201220013652 U CN201220013652 U CN 201220013652U CN 202465170 U CN202465170 U CN 202465170U
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- fuel tank
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Abstract
The utility model relates to a jack device, and in particular relates to a portable electric hydraulic jack. The hydraulic jacking device of the jack is arranged at one side of a base; a mounting seat is arranged at the other side of the base; an oil tank is arranged at one side of the mounting seat facing to the hydraulic jacking device; a motor is arranged at the other side of the mounting seat; the oil tank is made from an elastic material and is of a concave bag-type structure; the notch of the oil tank is clamped on the telescopic arm of the hydraulic jacking device; the opening end of the oil tank is sealed and fixed on the mounting seat; an oil pump device is arranged in the oil tank; the oil inlet of the oil pump device faces to the oil tank; an oil supply channel is arranged on the mounting seat and the base; and one end of the oil supply channel is connected with the oil pump device, and the other end of the oil supply channel is connected with the hydraulic jacking device. In the utility model, the oil tank is made into a concave bag-type structure, the notch of the oil tank is clamped on the telescopic arm of the hydraulic jacking device, thus the setting problem of the oil tank is solved; and meanwhile, the oil pump device is directly arranged in the oil tank, thus the volume is reduced.
Description
Technical field
The utility model relates to a kind of jack device.
Background technology
Car generally adopts hydraulic structure with jack, makes the top of jack lift device through 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.
Like 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 said 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; Said valve cavity comprises valve cavity and lower valve cavity; Be provided with the first logical hydraulic fluid port between said two valve cavitys, said 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 said 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) hydraulic jacking mechanism is disclosed, this mechanism comprise 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 through delivery line with stretch out oil pocket and the indentation oil pocket communicates, said delivery line is provided with balance cock; This balance cock comprises compensating cylinder and the balanced plug of being located in the compensating cylinder; Balanced plug is divided into left chamber and right chamber to compensating cylinder, and left chamber communicates with stretching out oil pocket, and 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; Through plugging structure, can compensating cylinder in slide respectively by described balanced plug for described two delivery lines, and balanced plug can make a certain plugging structure conducting after sliding.
Chinese invention patent application (application number: 201010177728.3 applyings date: 2010-05-20) disclose a kind of oil supply structure 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 electronic jack, and described oil inlet passage and oil discharge passage one end all are connected with fuel tank, and the other end is all lifted structure with the top of hydraulic electric jack and linked; Described fuel tank is cryptomere, and this fuel tank adopts elastomeric material to process.For 201010177728.3 patents, fuel tank is the oil supply structure that cryptomere solved the hydraulic electric jack and has technical matterss such as easy leakage of oil, jack are contaminated easily, service life is short.But fuel tank and electronic jack branch are arranged, and have so just increased the volume of whole device greatly, are not easy to carry and store.And small and exquisite with jack for automobile, 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 are generally separately design-calculated in the existing technology; Such design has not only increased the volume of product, simultaneously, occurs the phenomenon of leakage of oil easily for the place of oil pump and a plurality of by-pass valve control settings.
Summary of the invention
The technological deficiency that exists for the oil supply structure that solves the above-mentioned described hydraulic electric jack of 201010177728.3 patents; The purpose of the utility model provides a kind of portable electric hydraulic jack; This jack has solved the problem that fuel tank is provided with; Dwindled the volume of single unit system greatly, made product more small and exquisite, be easy to carry and store.
In order to realize above-mentioned purpose, the technical scheme below the utility model has adopted:
A kind of portable electric hydraulic jack; This jack comprises hydraulic jack device, oil pump device, fuel tank, motor and support; Described hydraulic jack device is arranged on a side of support; The opposite side of support is provided with mount pad, mount pad towards a side of hydraulic jack device described fuel tank is set, the opposite side of mount pad is provided with described motor; Described fuel tank adopts elastomeric material to make, and fuel tank is capsule formula " spill " structure, and the recess of fuel tank is stuck on the telescopic boom of hydraulic jack device; The open end sealing and fixing of fuel tank is on mount pad; Described oil pump device is arranged in the fuel tank, and the oil inlet of oil pump device is offered towards fuel tank, and on described mount pad and support, is provided with oil supply gallery; Oil supply gallery one end connects oil pump device, and the other end is connected to the hydraulic jack 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, and protecgulum is captiveed joint with described mount pad, and described gear is arranged in the gear type pump cavity of protecgulum and bonnet formation; And be connected with described drive of motor, described by-pass valve control is integrated to be arranged on the protecgulum.
As further improving again, the by-pass valve control cavity is set on the above-mentioned protecgulum, the by-pass valve control cavity is outside equipped with the sealing of first plug, and sliding in the by-pass valve control cavity is provided with sliding shoe, and sliding shoe is divided into first cavity and second cavity with the by-pass valve control cavity; First cavity is provided with first oil circuit, and first oil circuit is communicated with the last hydraulic fluid port of gear type pump, is the first cavity fuel feeding when gear just changes; The outer end of described first cavity is provided with the 3rd cavity; First cavity is connected through the first logical hydraulic fluid port with the 3rd cavity; The first logical hydraulic fluid port is provided with the fuel-displaced check valve that is used to seal the first logical hydraulic fluid port; Described sliding shoe is provided with to move on can be with sliding shoe in first cavity and backs down the push rod that fuel-displaced check valve opens wide the first logical hydraulic fluid port, and the 3rd cavity is provided with oil outlet, and oil outlet connects described oil supply gallery; Described second cavity is provided with second oil circuit; Second oil circuit is communicated with the following hydraulic fluid port of gear type pump; In the gear counter-rotating is the second cavity fuel feeding; And on the sidewall of sliding shoe osed top by-pass valve control cavity, being provided with fuel return hole, fuel return hole is connected to described fuel tank, is conducted with described second oil circuit when described fuel return hole moves on sliding shoe; Be fixed with in line check valve on the described bonnet, the inner of in line check valve is connected with the following 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, also be fixed with by pass valve on the above-mentioned bonnet, the inner of by pass valve is connected with the last 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 during greater than 1.2T (this value can be adjusted setting), by pass valve is opened, 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.
As further improving, above-mentioned by pass valve comprises valve body, needle, stage clip and set screw again, and the inner of valve body is connected with the last hydraulic fluid port of described gear type pump; Described first oil outlet is arranged on the outer end of valve body; Described needle is arranged on valve body inner sealing oil outlet and last hydraulic fluid port, and described stage clip is arranged in the set screw, and the rear end of stage clip and needle offsets; Described set screw and valve body be through being threaded, and be provided with captive nut in the outer end of set screw.
As further improving again; Also be fixed with Fuel Tanking Unit on the above-mentioned bonnet; Fuel Tanking Unit comprises the oil storage plug; Bonnet is provided with the 3rd oil through in the inner of oil storage plug, and the 3rd oil through is connected with the last hydraulic fluid port of described gear type pump, and the outer end of oil storage plug is provided with second oil outlet that is used to connect fuel tank; The inner chamber of oil storage plug is provided with the separator that is used for shutoff cavity two ends, and separator is divided into two cavitys with the inner chamber of oil storage plug.When rising, the hydraulic jack 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 hydraulic oil in the oil storage cavity, when the hydraulic jack device descends; The motor counter-rotating; Hydraulic oil in the oil suction, oil storage cavity makes that having enough oil to promote sliding shoe backs down fuel-displaced check valve, efficiently solves the problem that descends and be obstructed.
As further improving the steel ball that above-mentioned separator adopts diameter to match with oil storage plug inner chamber again.
As further improving, above-mentioned fuel-displaced check valve comprises second plug, spring and steel ball again, and second plug is fixed on the protecgulum, and spring is arranged in second plug, and outer end and steel ball offset, and the 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 the 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 the O type circle that is used to seal first cavity and second cavity again.
The utility model is owing to adopted above-mentioned technical scheme; At first fuel tank is made the capsule formula structure of " spill ", the recess of fuel tank is stuck on the telescopic boom of hydraulic jack device, has solved the problem that is provided with of fuel tank; Simultaneously oil pump device has directly been accomplished in the fuel tank, reduced the volume that is provided with.Further, the utility model also is integrated into by-pass valve control in the oil pump, and the volume of product is dwindled greatly, and this oil pump can directly install in the fuel tank simultaneously, effectively reduces the probability of leakage of oil, has characteristics simple in structure, easy to use.
Description of drawings
Fig. 1 is the utility model theory structure scheme drawing.
Fig. 2 is the structural representation of the utility model.
Fig. 3 is the structural representation of the oil pump device of the utility model.
Fig. 4 is the structural representation of by-pass valve control and fuel-displaced check 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
Like Fig. 1, a kind of portable electric hydraulic jack shown in Figure 2; This jack comprises hydraulic jack device 1, oil pump device 4, fuel tank 6, motor 5 and support 10; Described hydraulic jack 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 jack device 1 described fuel tank 6 is set, the opposite side of mount pad 11 is provided with described motor 5; Described fuel tank 6 adopts elastomeric material to make, and fuel tank 6 is capsule formula " spill " structure, and the recess 61 of fuel tank 6 is stuck on the telescopic boom of hydraulic jack device 1; The opening sealing and fixing of fuel tank 6 is on mount pad 11; Described oil pump device 4 is arranged in the fuel tank 6, and the oil inlet of oil pump device 4 is offered towards fuel tank 6, and on described mount pad 11 and support 10, is provided with oil supply gallery 15; Oil supply gallery 15 1 ends connect oil pump device 4, and the other end is connected to hydraulic jack device 1.
Oil pump device 4 as shown in Figure 3 comprises gear type pump and by-pass valve control 2, and gear type pump comprises gear 50, protecgulum 41 and bonnet 42, and gear 50 is arranged in the gear type pump cavity of protecgulum 41 and bonnet 42 formations.As shown in Figure 4; The by-pass valve control cavity is set on protecgulum 41; The by-pass valve control cavity is outside equipped with 43 sealings of first plug; Slide in the by-pass valve control cavity and be provided with sliding shoe 3, sliding shoe 3 is divided into first cavity 20 and second cavity 30 with the by-pass valve control cavity, and the centre of sliding shoe 3 is provided with the O type circle 32 that is used to seal first cavity 20 and second cavity 30.First cavity 20 is provided with the last hydraulic fluid port 49 that first oil circuit, 22, the first oil circuits 22 are communicated with gear type pump, is first cavity, 20 fuel feeding when gear 50 is just changeing; The outer end of described first cavity 20 is provided with the 3rd cavity 40; First cavity 20 and the 3rd cavity 40 are connected through the first logical hydraulic fluid port 27, and the first logical hydraulic fluid port 27 is provided with the fuel-displaced check valve that is used to seal the first logical hydraulic fluid port 27, and fuel-displaced check valve comprises second plug 44, spring 25 and steel ball 26; Second plug 44 is fixed on the protecgulum 41; Spring 25 is arranged in second plug 44, and outer end and steel ball 26 offset, and the steel ball 26 and the first logical hydraulic fluid port 27 offset and seal the first logical hydraulic fluid port 27.Described sliding shoe 3 is provided with to move on can be with sliding shoe 3 in first cavity 20 and backs down push rod 31, the three cavitys 40 that fuel-displaced check valve opens wide the first logical hydraulic fluid port 27 and be provided with the oil outlet 21 that is used to connect oil supply gallery 15.Described second cavity 30 is provided with second oil circuit 23; Second oil circuit 23 is communicated with the following hydraulic fluid port 48 of gear type pump; In gear 50 counter-rotatings is second cavity, 30 fuel feeding; And on the sidewall of sliding shoe 3 osed top by-pass valve control cavitys, be provided with the fuel return hole 24 that is used to connect fuel tank 6, when moving on sliding shoe 3, described fuel return hole 24 is conducted with described second oil circuit 23.
As shown in Figure 7, be fixed with in line check valve 9 on the described bonnet 42, bonnet 42 is provided with first oil through 45 in the inner of in line check valve 9; First oil through 45 is connected with the following hydraulic fluid port 48 of described gear type pump; The outer end of in line check valve is provided with the oil inlet port 92 that is used to connect fuel tank 6, and described in line check valve comprises valve body 91, spring 94 and steel ball 93, and valve body 91 is fixed on the top of first oil through 45; Spring 94 is arranged on the inner chamber of valve body 91; Spring 94 belows and first oil through 45 offset, and steel ball 93 1 ends and spring 94 offset, the inner chamber of other end closed valve 91.
As shown in Figure 5; Also be fixed with by pass valve 7 on the bonnet 42; Bonnet 42 is provided with second oil through, 46, the second oil throughs 46 and is connected with the last 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 first oil outlet 76 that is used to connect 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 second oil through 46; Described first oil outlet 76 is arranged on the outer end of valve body 71; Described needle 74 is arranged on valve body 71 inner sealings first oil outlet 76 and last hydraulic fluid port 49, and described stage clip 75 is arranged in the set screw 72, and stage clip 75 offsets with the rear end of needle 74; Described set screw 72 and valve body 71 be through being threaded, and be provided with captive nut 73 in the outer end of set screw 72.When load pressure during greater than 1.2T (this value can be adjusted setting), by pass valve 7 is opened, and the high pressure oil that oil pump comes out comes back to fuel tank 6 through oil circuit, in order to avoid damage product because of overload.
As shown in Figure 6; Also be fixed with Fuel Tanking Unit 8 on the bonnet 42; Fuel Tanking Unit 8 comprises oil storage plug 81; Bonnet 42 is provided with the 3rd oil through 47, the three oil throughs 47 and is connected with the last hydraulic fluid port 49 of described gear type pump in the inner of oil storage plug 81, the outer end of oil storage plug 81 is provided with second oil outlet 85 that is used to connect fuel tank 6; The inner chamber of oil storage plug 81 is provided with the separator 83 that is used 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 with the inner chamber of oil storage plug 81.
As shown in Figure 1; When needing hydraulic jack device 1 to rise; Give first oil circuit, 22 fuel feeding by gear type pump; Oil pressure is pushed fuel-displaced check valve open rises hydraulic jack device 1 to oil supply gallery 15 fuel feeding, and separator 83 is fitted in second oil outlet 85 under the effect of oil pressure simultaneously, makes to be full of hydraulic oil in the oil storage cavity.When needs hydraulic jack device 1 descends, motor 5 counter-rotatings, oil suction; Hydraulic oil in the oil storage cavity makes that having enough oil to promote sliding shoe 3 backs down fuel-displaced check valve; The problem that efficiently solving descends is obstructed is exposed fuel return hole 24 simultaneously, and oil is got back to fuel tank through second oil circuit 23, fuel return hole 24.
Claims (10)
1. portable electric hydraulic jack; This jack comprises hydraulic jack device (1), oil pump device (4), fuel tank (6), motor (5) and support (10); It is characterized in that: hydraulic jack 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 jack device (1) described fuel tank (6) is set, the opposite side of mount pad (11) is provided with 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 jack device (1), and the open end sealing and fixing of fuel tank (6) is on mount pad (11), and described oil pump device (4) is arranged in the fuel tank (6); The oil inlet of oil pump device (4) is offered towards fuel tank (6); And on described mount pad (11) and support (10), be provided with oil supply gallery (15), and oil supply gallery (15) one ends connect oil pump device (4), and the other end is connected to hydraulic jack device (1).
2. a kind of portable 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 captiveed joint with described mount pad (11); Described gear (50) is arranged in the gear type pump cavity of protecgulum (41) and bonnet (42) formation, and is in transmission connection with described motor (5), and described by-pass valve control (2) is integrated to be arranged on the protecgulum (41).
3. a kind of portable electric hydraulic jack according to claim 2; It is characterized in that: described protecgulum is provided with the by-pass valve control cavity on (41); The by-pass valve control cavity is outside equipped with first plug (43) sealing; Slide in the by-pass valve control cavity and be provided with sliding shoe (3), sliding shoe (3) is divided into first cavity (20) and second cavity (30) with the by-pass valve control cavity; First cavity (20) is provided with first oil circuit (22), and first oil circuit (22) is communicated with the last hydraulic fluid port (49) of gear type pump, is first cavity (20) fuel feeding when gear (50) is just changeing; The outer end of described first cavity (20) is provided with the 3rd cavity (40); First cavity (20) is connected through the first logical hydraulic fluid port (27) with the 3rd cavity (40); The first logical hydraulic fluid port (27) is provided with the fuel-displaced check valve that is used to seal the first logical hydraulic fluid port (27); Described sliding shoe (3) is provided with in first cavity (20) and can backs down the push rod (31) that fuel-displaced check valve opens wide the first logical hydraulic fluid port (27) with moving on the sliding shoe (3); And the 3rd cavity (40) be provided with oil outlet (21), oil outlet (21) connects described oil supply gallery (15); Described second cavity (30) is provided with second oil circuit (23); Second oil circuit (23) is communicated with the following hydraulic fluid port (48) of gear type pump; In gear (50) counter-rotating is second cavity (30) fuel feeding; And on the sidewall of sliding shoe (3) osed top by-pass valve control cavity, being provided with fuel return hole (24), fuel return hole (24) is connected to described fuel tank (6), is conducted with described second oil circuit (23) when described fuel return hole (24) moves on sliding shoe (3); Be fixed with in line check valve (9) on the described bonnet (42); The inner of in line check valve (9) is connected with the following 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. according to claim 2 or 3 described a kind of portable electric hydraulic jacks; It is characterized in that: also be fixed with by pass valve (7) on the bonnet (42); The inner of by pass valve (7) is connected with the last 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 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 last hydraulic fluid port (49) of described gear type pump; Described 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 last hydraulic fluid port (49), and described stage clip (75) is arranged in the set screw (72), and stage clip (75) offsets with the rear end of needle (74); Described set screw (72) and valve body (71) be through being threaded, and be provided with captive nut (73) in the outer end of set screw (72).
6. according to claim or 3 described a kind of portable electric hydraulic jacks; It is characterized in that: also be fixed with Fuel Tanking Unit (8) on the bonnet (42); 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), and the 3rd oil through (47) is connected with the last hydraulic fluid port (49) of described gear type pump, and the outer end of oil storage plug (81) is provided with second oil outlet (85) that is used to connect fuel tank (6); The inner chamber of oil storage plug (81) is provided with the separator (83) that is used for shutoff cavity two ends, and separator (83) is divided into two cavitys with the inner chamber of oil storage plug (81).
7. a kind of portable 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 electric hydraulic jack according to claim 3; It is characterized in that: fuel-displaced check valve comprises second plug (44), spring (25) and steel ball (26); Second plug is fixed on the protecgulum (41); Spring (25) is arranged in second plug (44), and outer end and steel ball (26) offset, and steel ball (26) offsets with the first logical hydraulic fluid port (27) and seals the first logical hydraulic fluid port (27).
9. a kind of portable 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 the bonnet (42); Spring (93) is arranged on valve body (91) inner chamber, and steel ball (94) one ends and spring (93) offset, other end closed valve (91) inner chamber.
10. a kind of portable electric hydraulic jack according to claim 3 is characterized in that: the centre of sliding shoe (3) is provided with the O type circle (32) that is used to seal first cavity (20) and second cavity (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200136525U CN202465170U (en) | 2012-01-13 | 2012-01-13 | Portable electric hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200136525U CN202465170U (en) | 2012-01-13 | 2012-01-13 | Portable electric hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202465170U true CN202465170U (en) | 2012-10-03 |
Family
ID=46913350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200136525U Expired - Lifetime CN202465170U (en) | 2012-01-13 | 2012-01-13 | Portable electric hydraulic jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202465170U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556887A (en) * | 2012-01-13 | 2012-07-11 | 温岭市鑫磊空压机有限公司 | Portable electric hydraulic jack |
-
2012
- 2012-01-13 CN CN2012200136525U patent/CN202465170U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556887A (en) * | 2012-01-13 | 2012-07-11 | 温岭市鑫磊空压机有限公司 | Portable electric hydraulic jack |
| CN102556887B (en) * | 2012-01-13 | 2013-11-06 | 温岭市鑫磊空压机有限公司 | Portable electric hydraulic jack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20131106 |
|
| RGAV | Abandon patent right to avoid regrant |