CN214944886U - Hydraulic oil pump controlled by double oil ways and double check valves - Google Patents
Hydraulic oil pump controlled by double oil ways and double check valves Download PDFInfo
- Publication number
- CN214944886U CN214944886U CN202121431210.8U CN202121431210U CN214944886U CN 214944886 U CN214944886 U CN 214944886U CN 202121431210 U CN202121431210 U CN 202121431210U CN 214944886 U CN214944886 U CN 214944886U
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- Prior art keywords
- oil
- way
- communicated
- hole
- check valve
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- Expired - Fee Related
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- 239000003921 oil Substances 0.000 title claims abstract description 159
- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 29
- 230000009977 dual effect Effects 0.000 claims 2
- 239000010724 circulating oil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of hydraulic oil pumps, and relates to a hydraulic oil pump controlled by a double-oil-way double-check valve, which comprises an oil circuit board, wherein an oil collecting hole is formed on the oil circuit board, the inner wall of the oil collecting hole is communicated with a first oil collecting oil circuit, one side of the first oil collecting oil circuit is provided with a first check valve, one side of the first check valve is communicated with a second oil collecting oil circuit, the side wall of the second oil collecting oil circuit is provided with an oil outlet, the oil outlet is communicated with a mounting port for placing the hydraulic oil pump, and one side of the mounting port is provided with a first oil return hole; the second oil collecting oil way is communicated with a first oil return oil way, one side of the first oil return oil way is connected with a second one-way valve, the second one-way valve is communicated with a second oil return oil way communicated with the first oil return hole, one side of the first oil return hole is provided with a second oil return hole, the second oil return hole is communicated with a third oil return way, and one side of the third oil return way is communicated with the oil suction port. The utility model aims at providing a stable in structure, work efficiency height, long service life's two check valve control's of two oil circuits hydraulic oil pump.
Description
Technical Field
The utility model belongs to the technical field of hydraulic oil pump, refer in particular to a hydraulic oil pump of two check valve control of two oil circuits.
Background
At present, most hydraulic oil pumps are single oil lines and single control valves, and the working efficiency of the hydraulic oil pumps can be reduced by the oil lines when the hydraulic oil pumps work, so that the service life is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stable in structure, work efficiency height, long service life's two check valve control's of two oil circuits hydraulic oil pump.
The purpose of the utility model is realized like this: a hydraulic oil pump controlled by a double-oil-way double-check valve comprises an oil circuit board, wherein an oil collecting hole is formed in the oil circuit board, the inner wall of the oil collecting hole is communicated with a first oil collecting oil circuit, a first check valve is arranged on one side of the first oil collecting oil circuit, a second oil collecting oil circuit is communicated with one side of the first check valve, an oil outlet is formed in the side wall of the second oil collecting oil circuit, the oil outlet is communicated with a mounting opening for placing the hydraulic oil pump, and a first oil return hole is formed in one side of the mounting opening; the second oil collecting oil way is communicated with a first oil returning oil way, one side of the first oil returning oil way is connected with a second one-way valve, the second one-way valve is communicated with a second oil returning oil way communicated with the first oil returning hole, one side of the first oil returning hole is provided with a second oil returning hole, the second oil returning hole is communicated with a third oil returning hole, and one side of the third oil returning hole is communicated with an oil suction port on which an oil suction pump is arranged.
Preferably, the first check valve and the second check valve are respectively installed in two side walls of the oil circuit board.
Preferably, the second check valve may be a manual check valve or an electric check valve.
Preferably, a pressure relief hole is formed in one side of the mounting opening, a pressure relief channel is communicated with the lower portion of the pressure relief hole, one side of the pressure relief channel is communicated with the second oil collecting oil way, and the other side of the pressure relief channel is communicated with the outer wall of the oil way plate.
Compared with the prior art, the utility model outstanding and profitable technological effect is: the utility model discloses a hydraulic oil pump of two oil circuit two check valve control adopts circulating oil circuit can increase the efficiency of hydraulic oil pump during operation, greatly increased its life-span of using.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is one of the cross-sectional views of the present invention;
fig. 3 is a second cross-sectional view of the present invention;
fig. 4 is a third cross-sectional view of the present invention.
Detailed Description
The invention will be further described with reference to specific embodiments.
As shown in fig. 1-4, a hydraulic oil pump controlled by a double-oil-way double-one-way valve comprises an oil circuit board 1, wherein an oil collecting hole 2 is formed in the oil circuit board 1, the inner wall of the oil collecting hole 2 is communicated with a first oil collecting oil way 3, a first one-way valve 4 is arranged on one side of the first oil collecting oil way 3, a second oil collecting oil way 5 is communicated with one side of the first one-way valve 4, an oil outlet 6 is formed in the side wall of the second oil collecting oil way 5, the oil outlet 6 is communicated with a mounting opening 7 for placing the hydraulic oil pump, and a first oil return hole 8 is arranged on one side of the mounting opening 7; the second oil collecting oil path 5 is communicated with a first oil return path 9, one side of the first oil return path 9 is connected with a second one-way valve 10, the second one-way valve 10 is communicated with a second oil return path 11 communicated with the first oil return hole 8, one side of the first oil return hole 8 is provided with a second oil return hole 12, the second oil return hole 12 is communicated with a third oil return path 13, and one side of the third oil return path 13 is communicated with an oil suction port 14 provided with an oil suction pump.
The hydraulic oil pump controlled by the double oil passages and the double one-way valves adopts the circulating oil passages, so that the working efficiency of the hydraulic oil pump can be increased, and the service life of the hydraulic oil pump is greatly prolonged.
Preferably, the first check valve 4 and the second check valve 10 are respectively installed in two side walls of the oil circuit board 1.
Preferably, the second check valve 10 may be a manual check valve or an electric check valve.
Preferably, a pressure relief hole 15 is formed in one side of the mounting opening 7, a pressure relief channel 16 is communicated below the pressure relief hole 15, one side of the pressure relief channel 16 is communicated with the second oil collecting oil path 5, and the other side of the pressure relief channel is communicated with the outer wall of the oil path plate 1.
The working principle is that the hydraulic oil pump controlled by the double-oil-way double-check valve of the utility model enters the mounting port 7 of the hydraulic oil pump through the oil inlet of the oil collecting hole 2 and then passes through the first oil collecting oil way 3, the first check valve 4 and the second oil collecting oil way 5 from the oil outlet 6, so that the hydraulic oil pump can be jacked up, and the oil in the oil cylinder returns to the oil cylinder arranged on the first oil return hole 8 through the first oil return way 9, the second check valve 10 and the second oil return way 11 under the influence of the oil pressure due to the effect of the first check valve 4, at the moment, the oil in the oil cylinder returns to the oil suction port 14 from the third oil return way 13 due to the suction force of the oil suction pump arranged on the oil suction port 14, and the oil suction port 14 can inject the oil into the oil collecting hole 2 to realize circulation.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (4)
1. A hydraulic oil pump controlled by a double-oil-way double-one-way valve is characterized by comprising an oil circuit board (1), wherein an oil collecting hole (2) is formed in the oil circuit board (1), the inner wall of the oil collecting hole (2) is communicated with a first oil collecting way (3), a first one-way valve (4) is arranged on one side of the first oil collecting way (3), a second oil collecting way (5) is communicated with one side of the first one-way valve (4), an oil outlet (6) is formed in the side wall of the second oil collecting way (5), the oil outlet (6) is communicated with a mounting opening (7) for placing the hydraulic oil pump, and a first oil return hole (8) is formed in one side of the mounting opening (7); the oil pump is characterized in that a first oil return way (9) is communicated with a second oil collection way (5), one side of the first oil return way (9) is connected with a second one-way valve (10), a second oil return way (11) communicated with a first oil return hole (8) is communicated with the second one-way valve (10), a second oil return hole (12) is formed in one side of the first oil return hole (8), a third oil return way (13) is communicated with the second oil return hole (12), and one side of the third oil return way (13) is communicated with an oil suction opening (14) on which an oil suction pump is arranged.
2. The hydraulic oil pump controlled by the double-oil circuit double-check valve as claimed in claim 1, characterized in that the first check valve (4) and the second check valve (10) are respectively installed in two side walls of the oil circuit board (1).
3. The dual oil circuit dual check valve controlled hydraulic oil pump according to claim 1 or 2, characterized in that the second check valve (10) may be a manual check valve or an electric check valve.
4. The hydraulic oil pump controlled by the double-oil-way double-one-way valve as claimed in claim 1, wherein a pressure relief hole (15) is formed in one side of the mounting port (7), a pressure relief channel (16) is communicated below the pressure relief hole (15), one side of the pressure relief channel (16) is communicated with the second oil collecting oil way (5), and the other side of the pressure relief channel is communicated with the outer wall of the oil way plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121431210.8U CN214944886U (en) | 2021-06-25 | 2021-06-25 | Hydraulic oil pump controlled by double oil ways and double check valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121431210.8U CN214944886U (en) | 2021-06-25 | 2021-06-25 | Hydraulic oil pump controlled by double oil ways and double check valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214944886U true CN214944886U (en) | 2021-11-30 |
Family
ID=79077944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121431210.8U Expired - Fee Related CN214944886U (en) | 2021-06-25 | 2021-06-25 | Hydraulic oil pump controlled by double oil ways and double check valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214944886U (en) |
-
2021
- 2021-06-25 CN CN202121431210.8U patent/CN214944886U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |