CN202465171U - Vehicle dual-purpose hydroelectric jack for preventing descending resistance - Google Patents
Vehicle dual-purpose hydroelectric jack for preventing descending resistance Download PDFInfo
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- CN202465171U CN202465171U CN2012200136775U CN201220013677U CN202465171U CN 202465171 U CN202465171 U CN 202465171U CN 2012200136775 U CN2012200136775 U CN 2012200136775U CN 201220013677 U CN201220013677 U CN 201220013677U CN 202465171 U CN202465171 U CN 202465171U
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Abstract
The utility model relates to a vehicle dual-purpose hydroelectric jack. The vehicle dual-purpose hydroelectric jack for preventing descending resistance comprises a hydraulic lifting device, an oil tank, a motor, an oil pump, a control valve body and an air pump. An oil cylinder cavity body is formed in the control valve body. A sliding block is arranged in the oil cylinder cavity body, and divides the oil cylinder cavity body into two cavity bodies. Two oil ways are arranged on the two cavity bodies, and are connected to the two ends of the oil pump respectively. A first oil passing port is formed in the first cavity body. An oil outlet one-way valve is arranged on the first oil passing port. An ejector rod is arranged on the sliding block in the first cavity body. The first oil passing port is connected to the hydraulic lifting device. An oil storage cavity body is arranged on the first oil way. An isolation element is arranged in the oil storage cavity body, and divides the oil storage cavity body into two cavity bodies, and two oil outlets are formed in the two cavity bodies respectively. The first oil outlet is connected with the first oil way, and the second oil outlet is connected with the oil tank through the oil way. The problem of descending resistance is effectively solved; and the vehicle dual-purpose hydroelectric jack has the characteristics of simple structure and convenience for use.
Description
Technical field
The utility model relates to a kind of vehicle and uses the dual-purpose hydraulic 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 automobile-used dual-purpose 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.
(application number: 201110031310.6 applyings date: 2011-01-28) disclosed a kind of vehicle is with dual-purpose electric hydraulic jack ejection device for the patent of invention of applicant's application; This device comprises hydraulic jack device, fuel tank, motor, oil pump and by-pass valve control body; The hydraulic jack device connects the by-pass valve control body through oil circuit; The work of motor forward or reverse control oil pump is provided with the oil cylinder cavity in the described by-pass valve control body, and sliding in the oil cylinder cavity is provided with sliding shoe; Sliding shoe is divided into first cavity and second cavity with the oil cylinder cavity; Be respectively equipped with the first logical hydraulic fluid port on first cavity and second cavity, be respectively equipped with the fuel-displaced check valve that is used to seal the first logical hydraulic fluid port on the first logical hydraulic fluid port, the outside of two first logical hydraulic fluid ports then connects described hydraulic jack device and described fuel tank through oil circuit respectively; The two ends of described sliding shoe are respectively equipped with push rod, and push rod is respectively over against fuel-displaced check valve, and push rod is selected one with the sliding shoe motion and backed down a fuel-displaced check valve one first logical hydraulic fluid port is opened wide; And being respectively equipped with first oilhole at first cavity and second cavity, first oilhole connects the oil inlet and the oil outlet of oil pump respectively through oil circuit.
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; Top act mechanism, oil pump, fuel tank all are connected on the delivery line, are provided with transmission device between oil pump and the motor, between fuel tank and oil pump, are provided with check valve; It is characterized in that; Said oil pump is positioned at the distolateral of motor, is provided with air pump at another distolateral place of motor, is 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.200910301429.3 patent adopts the structure of the hydraulic jack of 200620107377.8 patents, has proposed between air pump or the oil pump trip gear to be set, switching realizes dual-purpose.
But no matter be 200620107377.8 patents; Still 201110031310.6 can occur a problem in actual use; Be exactly that the oil mass in the oil return line system is limited when the hydraulic jack device descends, if design improper; Low on fuel in the oil return line system can't the jack-up push rod component come oil return.
Summary of the invention
The technological deficiency that causes descending and be obstructed owing to the low on fuel in the oil return line system when descending in order to solve above-mentioned hydraulic jack device; The purpose of the utility model provides a kind of vehicle dual-purpose electric hydraulic jack that prevents to descend and be obstructed; This device is set up the oil storage cavity in oil circuit; Efficiently solve the problem that descends and be obstructed, have characteristics simple in structure, easy to use.
In order to realize above-mentioned purpose, the technical scheme below the utility model has adopted:
The vehicle dual-purpose electric hydraulic jack that prevents to descend and be obstructed; This jack comprises hydraulic jack device, fuel tank, motor, oil pump, by-pass valve control body and air pump; Motor is arranged between oil pump and the air pump, and motor drives oil pump and air pump respectively through the shifter switching is set; Be provided with the oil cylinder cavity in the described by-pass valve control body; Slide in the oil cylinder cavity and be provided with sliding shoe; Sliding shoe is divided into first cavity and second cavity with the oil cylinder cavity, is respectively equipped with first oil circuit and second oil circuit that are connected to the oil pump two ends on first cavity and second cavity, and first cavity is provided with the first logical hydraulic fluid port; 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 in first cavity and can backs down the push rod that fuel-displaced check valve opens wide hydraulic fluid port with the sliding shoe motion, and the described first logical hydraulic fluid port is connected to the hydraulic jack device through oil circuit, and first oil circuit that described first cavity is connected with oil pump is provided with the oil storage cavity; Be provided with isolated component in the oil storage cavity oil storage cavity is divided into the 3rd cavity and the 4th cavity; The 3rd cavity and the 4th cavity are respectively arranged with first oil outlet and second oil outlet, and first oil outlet is connected with described first oil circuit, and second oil outlet is connected with described fuel tank through oil circuit.
As preferably, above-mentioned isolated component is and the suitable steel ball of oil storage cavity.
As further improvement, also be provided with by pass valve on the first above-mentioned oil circuit, described by pass valve is connected with described fuel tank through oil circuit.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 preferably, above-mentioned fuel-displaced check valve comprises steel ball and spring, and steel ball is arranged on the outside boss of the first logical hydraulic fluid port through the spring compressing.
As a kind of embodiment; The oil circuit that above-mentioned fuel tank is connected with oil pump is provided with check valve; Be provided with limiting stopper in described second cavity; Described sliding shoe is arranged on the top of limiting stopper, and on the oil cylinder cavity wall above the limiting stopper, is provided with fuel return hole, and fuel return hole is connected to described fuel tank through oil circuit.
As other a kind of embodiment; Be provided with the second logical hydraulic fluid port in the second above-mentioned cavity; The second logical hydraulic fluid port is provided with the fuel-displaced check valve that is used to seal the second logical hydraulic fluid port; Described sliding shoe is provided with in second cavity and can backs down the push rod that fuel-displaced check valve opens wide hydraulic fluid port with the sliding shoe motion, and the described second logical hydraulic fluid port is connected to described fuel tank through oil circuit.
As preferably, the power supply of above-mentioned motor adopts the vehicle power plug.
The utility model is owing to adopt above-mentioned technical scheme; Give the first oil circuit fuel feeding by oil pump when the hydraulic jack device rises, isolated component is fitted in second oil outlet under the effect of oil pressure, makes to be full of hydraulic oil in the oil storage cavity; When the hydraulic jack device descends; The motor counter-rotating, oil suction, the hydraulic oil in the oil storage cavity makes that having enough oil to promote sliding shoe backs down fuel-displaced check valve.The utility model efficiently solves the problem that descends and be obstructed, and has characteristics simple in structure, easy to use.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of the utility model embodiment 2.
The specific embodiment
A kind of vehicle dual-purpose electric hydraulic jack that prevents to descend and be obstructed as shown in Figure 1; This jack comprises hydraulic jack device 1, fuel tank 6, motor 5, oil pump 4, by-pass valve control body 2 and air pump 9; Motor 5 is arranged between oil pump 4 and the air pump 9; Motor 5 drives oil pump 4 and air pump 9 respectively through shifter 92 switchings are set, and air pump 9 is connected with valve 91, and the shifter 92 that the utility model relates to can adopt the structure of pulling of 200910301429.3 patents proposition.4 work of motor 5 forward or reverse control oil pump, the power supply of motor 5 can be quoted the power supply of vehicle power plug, and described fuel tank 6 is connected with oil pump 4, and the oil circuit 14 that is connected is provided with check valve 17.Be provided with the oil cylinder cavity in the by-pass valve control body 2; Slide in the oil cylinder cavity and be provided with sliding shoe 3; Sliding shoe 3 is divided into the oil cylinder cavity on first cavity 10 and second cavity, 20, the first cavitys 10 and second cavity 20 and is respectively equipped with oilhole 22,23, and oilhole 22,23 is connected respectively to first oil circuit 11 and second oil circuit 12 at oil pump 4 two ends; First cavity 10 is provided with the first logical hydraulic fluid port 27; 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 steel ball 26 and spring 25, and steel ball 25 is arranged on the outside boss of the first logical hydraulic fluid port 27 through spring 26 compressings.Described sliding shoe 3 is provided with in first cavity 10 and can backs down the push rod 31 that fuel-displaced check valve opens wide the first logical hydraulic fluid port 27 with sliding shoe 3 motions, and the described first logical hydraulic fluid port 27 is connected to hydraulic jack device 1 through oil circuit 10.Be provided with limiting stopper 29 in described second cavity 20, described sliding shoe 3 is arranged on the top of limiting stopper 29, and on the oil cylinder cavity wall above the limiting stopper 29, is provided with fuel return hole 24, and fuel return hole 24 is connected to described fuel tank 6 through oil circuit 13.
As shown in Figure 1; On first oil circuit 11 that first cavity 10 is connected with oil pump 4, be provided with oil storage cavity 8; Be provided with isolated component 83 in the oil storage cavity 8 oil storage cavity 8 is divided into the 3rd cavity and the 4th cavity, isolated component 83 is the steel ball suitable with oil storage cavity 8.The 3rd cavity and the 4th cavity are respectively arranged with first oil outlet 81 and second oil outlet, 82, the first oil outlets 81 are connected with described first oil circuit 11, and second oil outlet 82 is connected with described fuel tank 6 through oil circuit 15.
As shown in Figure 1, also be provided with by pass valve 7 on first oil circuit 11, described by pass valve 7 is connected with described fuel tank 6 through oil circuit 15.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 4 comes out comes back to fuel tank 6 through this oil circuit, in order to avoid damage product because of overload.
A kind of vehicle dual-purpose electric hydraulic jack that prevents to descend and be obstructed as shown in Figure 2; This jack comprises hydraulic jack device 1, fuel tank 6, motor 5, oil pump 4, by-pass valve control body 2 and air pump 9; Motor 5 is arranged between oil pump 4 and the air pump 9; Motor 5 drives oil pump 4 and air pump 9 respectively through shifter 92 switchings are set, and air pump 9 is connected with valve 91, and the shifter 92 that the utility model relates to can adopt the structure of pulling of 200910301429.3 patents proposition.4 work of described motor 5 forward or reverse control oil pump, the power supply of motor 5 can be quoted the power supply of vehicle power plug.Be provided with the oil cylinder cavity in the by-pass valve control body 2; Slide in the oil cylinder cavity and be provided with sliding shoe 3; Sliding shoe 3 is divided into the oil cylinder cavity on first cavity 10 and second cavity, 20, the first cavitys 10 and second cavity 20 and is respectively equipped with oilhole 22,23, and oilhole 22,23 is connected respectively to first oil circuit 11 and second oil circuit 12 at oil pump 4 two ends; Also be provided with the first logical hydraulic fluid port 27 on first cavity 10; 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 steel ball 26 and spring 25, and steel ball 25 is arranged on the outside boss of the first logical hydraulic fluid port 27 through spring 26 compressings.Described sliding shoe 3 is provided with in first cavity 10 and can backs down the push rod 31 that fuel-displaced check valve opens wide hydraulic fluid port with sliding shoe 3 motions, and the described first logical hydraulic fluid port 27 is connected to hydraulic jack device 1 through oil circuit 10.Be provided with the second logical hydraulic fluid port 28 in second cavity 20; The second logical hydraulic fluid port 28 is provided with the fuel-displaced check valve that is used to seal the second logical hydraulic fluid port 28; Fuel-displaced one-way valve structures is identical with the fuel-displaced check valve of the sealing first logical hydraulic fluid port 27; Described sliding shoe 3 is provided with in second cavity 20 and can backs down the push rod 32 that fuel-displaced check valve opens wide hydraulic fluid port with sliding shoe 3 motions, and the described second logical hydraulic fluid port 28 is connected to described fuel tank 6 through oil circuit 16.
As shown in Figure 2; On first oil circuit 11 that first cavity 10 is connected with oil pump 4, be provided with oil storage cavity 8; Be provided with isolated component 83 in the oil storage cavity 8 oil storage cavity 8 is divided into the 3rd cavity and the 4th cavity, isolated component 83 is the steel ball suitable with oil storage cavity 8.The 3rd cavity and the 4th cavity are respectively arranged with first oil outlet 81 and second oil outlet, 82, the first oil outlets 81 are connected with described first oil circuit 11, and second oil outlet 82 is connected with described fuel tank 6 through oil circuit.
As shown in Figure 2, also be provided with by pass valve 7 on first oil circuit 11, described by pass valve 7 is connected with described fuel tank 6 through oil circuit.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 4 comes out comes back to fuel tank 6 through this oil circuit, in order to avoid damage product because of overload.
Claims (7)
1. the vehicle dual-purpose electric hydraulic jack that preventing descends is obstructed; This jack comprises hydraulic jack device (1), fuel tank (6), motor (5), oil pump (4), by-pass valve control body (2) and air pump (9); Motor (5) is arranged between oil pump (4) and the air pump (9), and motor (5) drives oil pump (4) and air pump (9) respectively through shifter (92) switching is set; Be provided with the oil cylinder cavity in the described by-pass valve control body (2); Slide in the oil cylinder cavity and be provided with sliding shoe (3); Sliding shoe (3) is divided into first cavity (10) and second cavity (20) with the oil cylinder cavity; Be respectively equipped with first oil circuit (11) and second oil circuit (12) that are connected to oil pump (4) two ends on first cavity (10) and second cavity (20); First cavity (10) is provided with the first logical hydraulic fluid port (27); 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 (10) and can backs down the push rod (31) that fuel-displaced check valve opens wide the first logical hydraulic fluid port (27) with sliding shoe (3) motion; The described first logical hydraulic fluid port (27) is connected to described hydraulic jack device (1) through oil circuit (10); Described it is characterized in that: first oil circuit (11) that described first cavity (10) is connected with oil pump (4) is provided with oil storage cavity (8), is provided with isolated component (83) in the oil storage cavity (8) oil storage cavity (8) is divided into the 3rd cavity and the 4th cavity, and the 3rd cavity and the 4th cavity are respectively arranged with first oil outlet (81) and second oil outlet (82); First oil outlet (81) is connected with described first oil circuit (11), and second oil outlet (82) is connected with described fuel tank (6) through oil circuit (15).
2. the vehicle dual-purpose electric hydraulic jack that prevents to descend and be obstructed according to claim 1 is characterized in that: isolated component (83) is and the suitable steel ball of oil storage cavity (8).
3. the vehicle dual-purpose electric hydraulic jack that prevents to descend and be obstructed according to claim 1; It is characterized in that: also be provided with by pass valve (7) on first oil circuit (11), described by pass valve (7) is connected with described fuel tank (6) through oil circuit (15).
4. the vehicle dual-purpose electric hydraulic jack that prevents to descend and be obstructed according to claim 1; It is characterized in that: fuel-displaced check valve comprises steel ball (26) and spring (25), and steel ball (26) is arranged on the outside boss of the first logical hydraulic fluid port (27) through spring (25) compressing.
5. the vehicle dual-purpose electric hydraulic jack that prevents to descend and be obstructed according to claim 1; It is characterized in that: the oil circuit (14) that fuel tank (6) is connected with oil pump (4) is provided with check valve (17); Be provided with limiting stopper (29) in described second cavity (20); Described sliding shoe (3) is arranged on the top of limiting stopper (29); And on the oil cylinder cavity wall of limiting stopper (29) top, being provided with fuel return hole (24), fuel return hole (24) is connected to described fuel tank (6) through oil circuit (13).
6. the vehicle dual-purpose electric hydraulic jack that prevents to descend and be obstructed according to claim 1; It is characterized in that: be provided with the second logical hydraulic fluid port (28) in second cavity (20); The second logical hydraulic fluid port (28) is provided with the fuel-displaced check valve that is used to seal the second logical hydraulic fluid port (28); Described sliding shoe (3) is provided with in second cavity (20) and can backs down the push rod (32) that fuel-displaced check valve opens wide the second logical hydraulic fluid port (28) with sliding shoe (3) motion, and the described second logical hydraulic fluid port (28) is connected to described fuel tank (6) through oil circuit (16).
7. the vehicle dual-purpose electric hydraulic jack that prevents to descend and be obstructed according to claim 1 is characterized in that: the power supply of motor (5) adopts the vehicle power plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200136775U CN202465171U (en) | 2012-01-13 | 2012-01-13 | Vehicle dual-purpose hydroelectric jack for preventing descending resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200136775U CN202465171U (en) | 2012-01-13 | 2012-01-13 | Vehicle dual-purpose hydroelectric jack for preventing descending resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202465171U true CN202465171U (en) | 2012-10-03 |
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ID=46913351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200136775U Expired - Lifetime CN202465171U (en) | 2012-01-13 | 2012-01-13 | Vehicle dual-purpose hydroelectric jack for preventing descending resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202465171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530764A (en) * | 2012-01-13 | 2012-07-04 | 温岭市鑫磊空压机有限公司 | Vehicular dual-purpose electric hydraulic jack with arrested descending preventing function |
-
2012
- 2012-01-13 CN CN2012200136775U patent/CN202465171U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530764A (en) * | 2012-01-13 | 2012-07-04 | 温岭市鑫磊空压机有限公司 | Vehicular dual-purpose electric hydraulic jack with arrested descending preventing function |
| CN102530764B (en) * | 2012-01-13 | 2014-01-15 | 温岭市鑫磊空压机有限公司 | Vehicular dual-purpose electric hydraulic jack with arrested descending preventing function |
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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: 20140115 |
|
| RGAV | Abandon patent right to avoid regrant |