CN2761492Y - Manual, electric integrated oil pump of driving cab switching device - Google Patents
Manual, electric integrated oil pump of driving cab switching device Download PDFInfo
- Publication number
- CN2761492Y CN2761492Y CN 200520094918 CN200520094918U CN2761492Y CN 2761492 Y CN2761492 Y CN 2761492Y CN 200520094918 CN200520094918 CN 200520094918 CN 200520094918 U CN200520094918 U CN 200520094918U CN 2761492 Y CN2761492 Y CN 2761492Y
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- pump
- oil
- manual
- high pressure
- valve
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- Expired - Fee Related
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- Reciprocating Pumps (AREA)
Abstract
The utility model relates to an oil pump of a driver's cab tilting device, which is integrated with a manual pump and an electric pump and belong to the field of automobile fitting parts. The utility model is composed of a pump cover, a pump body, a supporting frame, a manual plunger piston, a DC motor, an oil inlet valve of the manual pump, a lifting oil pipe joint, an overflow valve, an oil application port cover, a pressure lever support, a directional valve, an electric plunger piston, a high pressure one-way valve of the electric pump, a high pressure one-way valve of the manual pump, a bearing, a descending oil pipe joint and oil circuits. The high pressure one-way valve of the manual pump and the high pressure one-way valve of the electric pump are installed under the manual plunger piston and on the side surface of the electric plunger piston, the matching between the electric plunger piston and a plunger piston mounting hole is changed into the conical surface matching, and the cross section of the pump cover is square so that the oil storage space of the oil pump is increased, so that the problem of the existing oil pump which is integrated with the manual pump and the electric pump, that the high pressure one-way valves and the directional valve are installed in a same cylindrical valve hole which is small and is inconvenient for machining and installation alignment, is solved. The utility model is very convenient for installation and maintenance, and can serve as the oil pump of the driver's cab tilting device for various commercial vehicles.
Description
Affiliated technical field:
The utility model relates to a kind of oil pump of automobile cab upset usefulness, and particularly a kind of automobile cab tumbler hand, electric one oil pump belong to vehicular spare parts device field.
Background technology:
Along with the increase of China's commercial vehicle/comm..vehicle dead-weight capacity, the raising that the driver and conductor requires cab comfort, also constantly the increasing from weight of its operator's compartment overturn to operator's compartment when vehicle being safeguarded for the driver and conductor who goes out and brings inconvenience.In order to address this problem, the driver's cab turnover of commercial vehicle/comm..vehicle all is that employing is installed oil pump below operator's compartment and elevating ram is finished now.At present, the oil pump of being installed on the commercial car has manual pump, and motor-drive pump also has oil pump manual, electronic one.Manually, the oil pump of electronic one brought a lot of convenience to chaufeur, particularly do not having under the situation of power supply, by manually reaching the purpose that makes driver's cab turnover yet.But hand, electric one oil pump that existing commercial vehicle/comm..vehicle is used, all be to adopt high pressure check valve and change-over valve are contained in the cylindrical valve opening, this makes that this cylindrical hole on the pump housing is little and dark, is difficult for processing and manufacturing, very inconvenience is installed, makes that the high pressure check valve is poorly sealed.Electronic in addition plunger surface adopts cylinder to cooperate poor sealing performance with cylinder body.Have a strong impact on the pressure of elevating ram, directly have influence on the making and the popularization of product.
Summary of the invention:
The purpose of this utility model is: provides a kind of high pressure check valve and change-over valve is not installed in the same cylindrical valve opening, make the installation valve opening be convenient to processing, and easy for installation; And electronic plunger surface adopts conical cooperation the, not only good seal performance with the plunger hole of cylinder body; And after changing its rigging position, be easier to the driver's cab turnover device hand of Installation and Debugging and maintenance, electric one oil pump.
The utility model is to realize above-mentioned purpose by following technical solution:
This driver's cab turnover device hand, electric one oil pump are made up of pump cover, the pump housing, support, manual plunger, DC machine, manual pump in line check valve, lifting oil pipe joint, by pass valve, filler cap, depression bar frame, change-over valve, electronic plunger, oil inlet filter screen, motor-drive pump high pressure check valve, manual pump high pressure check valve, bearing, decline oil connector, in-line, manual pump and motor-drive pump high-pressure oil passage, change-over valve oil circuit, lifting oil pipe joint oil circuit and decline oil connector oil circuit, pump cover is contained in an end of the pump housing, and DC machine is contained in the other end of the pump housing; The top of the pump housing is connected with a manual plunger that is contained in the pump housing by the depression bar frame, and a side of depression bar frame is equipped with by pass valve; Be connected with an electronic plunger that is contained in the pump housing below the bearing of DC machine axle head; Lifting oil pipe joint and decline oil connector are equipped with in the below of the pump housing; One side of the pump housing is equipped with change-over valve, and change-over valve is communicated with lifting oil pipe joint and decline oil connector by lifting oil pipe joint oil circuit and decline oil connector oil circuit; It is characterized in that: below the plunger hole of the manual plunger in the pump housing manual pump high pressure check valve is housed, a motor-drive pump high pressure check valve is equipped with in the plunger hole side of the electronic plunger in the pump housing, manual pump high pressure check valve and motor-drive pump high pressure check valve are communicated with by manual pump and motor-drive pump high-pressure oil passage, and are communicated with change-over valve by the change-over valve oil circuit; Electronic plunger in the pump housing is that circular conical surface cooperates with plunger hole; The cross section of pump cover is square.
The utility model compared with prior art has following beneficial effect:
This driver's cab turnover device hand, electric one oil pump are owing to be installed in manual pump high pressure check valve and motor-drive pump high pressure check valve respectively on the plunger hole of manual plunger and electronic plunger, with change-over valve not in same installation valve opening, make that the installation valve opening of change-over valve is easy to process, and the installation of high pressure check valve and contraposition are very convenient, and the high pressure check valve is installed the back good seal performance.In addition, because electronic plunger adopts circular conical surface to cooperate with plunger hole, the sealing property of plunger is improved widely.Be easier to install, debug and safeguard.
Description of drawings:
Fig. 1 is the front view of driver's cab turnover device hand, electric one oil pump;
Fig. 2 is the left view of driver's cab turnover device hand, electric one oil pump;
Fig. 3 is the right elevation of driver's cab turnover device hand, electric one oil pump;
Fig. 4 is that driver's cab turnover device hand, electric one oil pump remove the front view behind the pump cover.
Among the figure: 1. pump cover, the 2. pump housing, 3. support, 4. manual plunger, 5. DC machine, 6. manual pump in line check valve, 7. lifting oil pipe joint, 8. by pass valve, 9. filler cap, 10. depression bar frame, 11. change-over valve, 12. electronic plunger, 13. oil inlet filter screens, 14. motor-drive pump high pressure check valves, 15. manual pump high pressure check valve, 16. bearing, 17. decline oil connectors, 18. in-lines, 19. manual pump and motor-drive pump high-pressure oil passage, 20. the change-over valve oil circuit, 21. lifting oil pipe joint oil circuits, 22. decline oil connector oil circuits.
The specific embodiment:
This driver's cab turnover device hand, electricity one oil pump is by pump cover (1), the pump housing (2), support (3), manual plunger (4), DC machine (5), manual pump in line check valve (6), lifting oil pipe joint (7), by pass valve (8), filler cap (9), depression bar frame (10), change-over valve (11), electronic plunger (12), oil inlet filter screen (13), motor-drive pump high pressure check valve (14), manual pump high pressure check valve (15), bearing (16), decline oil connector (17), in-line (18), manual pump and motor-drive pump high-pressure oil passage (19), change-over valve oil circuit (20), lifting oil pipe joint oil circuit (21) and decline oil connector oil circuit (22) constitute.The structure of support (3), manual plunger (4), DC machine (5), manual pump in line check valve (6), lifting oil pipe joint (7), by pass valve (8), filler cap (9), depression bar frame (10) and change-over valve (11) and installation site and existing driver's cab turnover device hand, electric one oil pump are identical.Difference of the present utility model is: manual pump high pressure check valve (15) is installed in the plunger hole below of the manual plunger (4) in the pump housing (2); Motor-drive pump high pressure check valve (14) is installed in the side of the plunger hole of electronic plunger (12); Manual pump high pressure check valve (15) and motor-drive pump high pressure check valve (14) are communicated with by manual pump and motor-drive pump high-pressure oil passage (19), and be communicated with change-over valve (11) by change-over valve oil circuit (20), solved existing hand, electric one pump is contained in high pressure check valve and change-over valve in the cylindrical hole, make cylindrical hole little and dark, both be not easy to the processing in hole and the installing and locating of high pressure check valve, and the problem of the high pressure check valve poor sealing performance after installing.In addition, change electronic plunger (12) into circular conical surface with the fitting surface of plunger hole by the face of cylinder and cooperate, make that the installation of electronic plunger (12) is very convenient, sealing property is greatly improved.The cross section of pump cover of the present utility model (1) is a square, and the oil storage space in the pump housing (2) be that circular pump cover oil storage space is big by 1/3rd than the cross section, makes the pump pressure operation further stablize.
When the manual pump of this driver's cab turnover device hand, electric one oil pump is worked, driving manual plunger (4) by depression bar by depression bar frame (10) moves up and down, hydraulic oil enters the manual pump operating room by manual pump in line check valve (6) during oil suction, and manual pump high pressure check valve (15) is closed; Hydraulic oil enters change-over valve (11) by manual pump high pressure check valve (15) through manual pump and motor-drive pump high-pressure oil passage (14) and change-over valve oil circuit (20) when pressing oil, enters oil cylinder by lifting oil pipe joint oil circuit (21) again and carries out lifting work.During motor-drive pump work, drive electronic plunger (12) by DC machine (5) by bearing (16) and move up and down, hydraulic oil enters the motor-drive pump operating room by the motor-drive pump in line check valve during oil suction, and motor-drive pump high pressure check valve (14) is closed; Hydraulic oil enters change-over valve (11) by motor-drive pump high pressure check valve (14) through manual pump and motor-drive pump high-pressure oil passage (19) and change-over valve oil circuit (20) when pressing oil, enters oil cylinder by lifting oil pipe joint oil circuit (21) again and carries out lifting work.Oil cylinder descends and by change-over valve (11) control in-oil cylinder hydraulic oil is returned the oil pump operating room.
Claims (2)
1. a driver's cab turnover device hand, electric one oil pump, it is made up of pump cover, the pump housing, support, manual plunger, DC machine, manual pump in line check valve, lifting oil pipe joint, by pass valve, filler cap, depression bar frame, change-over valve, electronic plunger, oil inlet filter screen, motor-drive pump high pressure check valve, manual pump high pressure check valve, bearing, decline oil connector, in-line, manual pump and motor-drive pump high-pressure oil passage, change-over valve oil circuit, lifting oil pipe joint oil circuit and decline oil connector oil circuit, pump cover is contained in an end of the pump housing, and DC machine is contained in the other end of the pump housing; The top of the pump housing is connected with a manual plunger that is contained in the pump housing by the depression bar frame, and a side of depression bar frame is equipped with by pass valve; Be connected with an electronic plunger that is contained in the pump housing below the bearing of DC machine axle head; Lifting oil pipe joint and decline oil connector are equipped with in the below of the pump housing; One side of the pump housing is equipped with change-over valve, and change-over valve is communicated with lifting oil pipe joint and decline oil connector by lifting oil pipe joint oil circuit and decline oil connector oil circuit; It is characterized in that: below the plunger hole of the manual plunger in the pump housing manual pump high pressure check valve is housed, a motor-drive pump high pressure check valve is equipped with in the plunger hole side of the electronic plunger in the pump housing, manual pump high pressure check valve and motor-drive pump high pressure check valve are communicated with by manual pump and motor-drive pump high-pressure oil passage, and are communicated with change-over valve by the change-over valve oil circuit; Electronic plunger in the pump housing is that circular conical surface cooperates with plunger hole.
2. driver's cab turnover device hand according to claim 1, electric one oil pump is characterized in that: the cross section of described pump cover is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520094918 CN2761492Y (en) | 2005-01-14 | 2005-01-14 | Manual, electric integrated oil pump of driving cab switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520094918 CN2761492Y (en) | 2005-01-14 | 2005-01-14 | Manual, electric integrated oil pump of driving cab switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2761492Y true CN2761492Y (en) | 2006-03-01 |
Family
ID=36094624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520094918 Expired - Fee Related CN2761492Y (en) | 2005-01-14 | 2005-01-14 | Manual, electric integrated oil pump of driving cab switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2761492Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106347503A (en) * | 2016-10-28 | 2017-01-25 | 安徽福马汽车零部件集团有限公司 | Heavy truck cab turning control mechanism and use method thereof |
| CN106401903A (en) * | 2016-10-28 | 2017-02-15 | 安徽福马汽车零部件集团有限公司 | Dual-oil-path plunger pump body of turning control mechanism of heavy truck cab |
-
2005
- 2005-01-14 CN CN 200520094918 patent/CN2761492Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106347503A (en) * | 2016-10-28 | 2017-01-25 | 安徽福马汽车零部件集团有限公司 | Heavy truck cab turning control mechanism and use method thereof |
| CN106401903A (en) * | 2016-10-28 | 2017-02-15 | 安徽福马汽车零部件集团有限公司 | Dual-oil-path plunger pump body of turning control mechanism of heavy truck cab |
| CN106401903B (en) * | 2016-10-28 | 2019-01-04 | 安徽福马汽车零部件集团有限公司 | A kind of double oil circuits Plunger pump body of heavy truck driver's cab turnover control mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Min Xia Document name: Notification of Termination of Patent Right |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |