CN202465176U - Oil pump device integrated with valve body for electric hydraulic jack - Google Patents
Oil pump device integrated with valve body for electric hydraulic jack Download PDFInfo
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- CN202465176U CN202465176U CN2012200136510U CN201220013651U CN202465176U CN 202465176 U CN202465176 U CN 202465176U CN 2012200136510 U CN2012200136510 U CN 2012200136510U CN 201220013651 U CN201220013651 U CN 201220013651U CN 202465176 U CN202465176 U CN 202465176U
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- oil
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- valve body
- hydraulic fluid
- fluid port
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Abstract
The utility model relates to a vehicle jack device. An oil pump device integrated with valve body for electric hydraulic jack comprises a gear pump, wherein the gear pump comprises a gear, a front cover and a rear cover; the front cover is provided with a control valve cavity; a slide block is arranged in the control valve cavity; the control valve cavity is divided into two cavities by the slide block; the first cavity is provided with a first oil path; the first oil path is communicated with an upper oil port of the gear pump; the outer end of the first cavity is provided with a third cavity; the first cavity is connected with the third cavity; a first oil flow-through port is provided with an oil outlet one-way valve; the slide block is provided with an ejector rod in the first cavity; the third cavity is provided with an oil outlet; the second cavity is provided with a second oil path; the second oil path is communicated with a lower oil port of the gear pump; the side wall of the control valve cavity is provided with an oil return hole; and the rear cover is fixedly provided with an oil inlet one-way valve. According to the oil pump device integrated with valve body for electric hydraulic jack, the control valve is integrated into the oil pump, so that the size of a product is greatly reduced, and the probability of oil leakage is effectively reduced.
Description
Technical field
The utility model relates to a kind of vehicle and uses jack device, relates in particular to the oil pump device of electric hydaulic jack.
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.
(application number: 201110031310.6 applyings date: 2011-01-28) disclosed a kind of vehicle is used the electric hydaulic jack device to 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 elastic component 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 elastic component, and push rod is selected one with the sliding shoe motion and backed down an elastic component 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.
Relate to oil pump and by-pass valve control in the above-mentioned patent, because oil pump and valve are generally and separate design-calculated in the existing technology, such design has not only increased the volume of product, and small and exquisite with jack for automobile, using easy to carry is a requirement.Simultaneously, the phenomenon that occurs leakage of oil for the place of oil pump and a plurality of by-pass valve control settings easily.
Summary of the invention
In order to solve the technological deficiency that above-mentioned vehicle exists with the electric hydaulic jack device; The purpose of the utility model provides a kind of oil pump device of electric hydaulic jack of integrated valve body; This device 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 reduce the probability of leakage of oil, 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 oil pump device of the electric hydaulic jack of integrated valve body, this oil pump device comprises gear type pump, and gear type pump comprises gear, protecgulum and bonnet, and gear is arranged in the gear type pump cavity of protecgulum and bonnet formation; The by-pass valve control cavity is set on the protecgulum, and 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 and is used to connect the oil outlet that device is lifted on the hydraulic jack top; 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, be provided with the fuel return hole that is used to connect fuel tank, when moving on sliding shoe, described fuel return hole is conducted with described second oil circuit; 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 the oil inlet port that is used to connect fuel tank.
As further improvement, 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 provided with first oil through that is used to connect 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 integrated into by-pass valve control in the oil pump owing to adopted above-mentioned technical scheme, 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
The theory structure scheme drawing that Fig. 1 uses for the utility model.
The structural representation that Fig. 2 uses for the utility model.
Fig. 3 is the structural representation of the utility model oil pump device.
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 electric hydaulic 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.
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 (8)
1. the oil pump device of the electric hydaulic jack of integrated valve body; This oil pump device comprises gear type pump; 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) formation; It is characterized in that: 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) is set 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) is provided with and is used to connect the oil outlet (21) that device is lifted on the hydraulic jack top; 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, 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); 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, and the outer end of in line check valve (9) is provided with the oil inlet port (92) that is used to connect fuel tank (6).
2. the oil pump device of the electric hydaulic jack of integrated valve body according to claim 1; 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 provided with first oil through (76) that is used to connect fuel tank (6).
3. the oil pump device of the electric hydaulic jack of integrated valve body according to claim 2; 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).
4. the oil pump device of the electric hydaulic jack of integrated valve body according to claim 1; 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).
5. the oil pump device of the electric hydaulic jack of integrated valve body according to claim 4 is characterized in that the steel ball that separator (83) adopts diameter to match with oil storage plug (81) inner chamber.
6. the oil pump device of the electric hydaulic jack of integrated valve body according to claim 1; 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).
7. the oil pump device of the electric hydaulic jack of integrated valve body according to claim 1; 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.
8. the oil pump device of the electric hydaulic jack of integrated valve body according to claim 1, it 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 |
|---|---|---|---|
| CN2012200136510U CN202465176U (en) | 2012-01-13 | 2012-01-13 | Oil pump device integrated with valve body for electric hydraulic jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200136510U CN202465176U (en) | 2012-01-13 | 2012-01-13 | Oil pump device integrated with valve body for electric hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202465176U true CN202465176U (en) | 2012-10-03 |
Family
ID=46913356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200136510U Expired - Lifetime CN202465176U (en) | 2012-01-13 | 2012-01-13 | Oil pump device integrated with valve body for electric hydraulic jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202465176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530767A (en) * | 2012-01-13 | 2012-07-04 | 温岭市鑫磊空压机有限公司 | Valve integrated oil pump device of electric hydraulic jack |
-
2012
- 2012-01-13 CN CN2012200136510U patent/CN202465176U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530767A (en) * | 2012-01-13 | 2012-07-04 | 温岭市鑫磊空压机有限公司 | Valve integrated oil pump device of electric hydraulic jack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
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. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |
|
| CX01 | Expiry of patent term |