CN210265317U - Internal-discharge type double-overflow system - Google Patents
Internal-discharge type double-overflow system Download PDFInfo
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- CN210265317U CN210265317U CN201921303253.0U CN201921303253U CN210265317U CN 210265317 U CN210265317 U CN 210265317U CN 201921303253 U CN201921303253 U CN 201921303253U CN 210265317 U CN210265317 U CN 210265317U
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Abstract
An internal-leakage type double-overflow system comprises an oil circuit block, wherein an oil circuit block oil inlet, a first overflow valve interface and an oil drainage port are formed in the oil circuit block, a first channel, a second channel and a third channel are respectively arranged in the oil circuit block, one end of the first channel is communicated with the oil circuit block oil inlet, the other end of the first channel is opened on the surface of the oil circuit block, a throttling valve is arranged at the opening of the other end of the first channel, one end of the second channel is communicated with the oil circuit block oil inlet, the other end of the second channel is communicated with the first overflow valve interface, one end of the third channel is communicated with the first overflow valve interface, and the other end of the third channel is communicated with the oil drainage port. The oil circuit block is also provided with a first oil outlet, a fifth channel is also arranged in the oil circuit block, one end of the fifth channel is communicated with the middle part of the first channel, and the other end of the fifth channel is communicated with the first oil outlet. The utility model has the characteristics of simple structure is reasonable, small.
Description
Technical Field
The utility model relates to an interior two overflow system of formula of letting out.
Background
Chinese patent document No. CN 204805205U discloses an oil circuit piece in 2015, 11 months and 25 days, which comprises a body, the body is the cuboid structure, be equipped with the passageway that a plurality of link up the body on the last top surface of body and be the rectangle and arrange, still be equipped with first valve, second valve and third valve on the body, first valve is located the leading flank of body, and second valve and third valve are located the adjacent side of first valve. The first valve is an electromagnetic valve. The second valve is a pressure relief valve. The third valve is a regulating valve. The oil circuit block has large volume and complex structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an oil circuit piece with simple and reasonable structure and small volume to overcome the shortcomings in the prior art.
The internal-leakage type double-overflow system is structurally characterized in that an oil inlet of the oil circuit block, a first overflow valve connector and an oil drainage port are arranged on the oil circuit block, a first channel, a second channel and a third channel are respectively arranged in the oil circuit block, one end of the first channel is communicated with the oil inlet of the oil circuit block, the other end of the first channel is provided with a hole in the surface of the oil circuit block, a throttling valve is arranged at the hole in the other end of the first channel, one end of the second channel is communicated with the oil inlet of the oil circuit block, the other end of the second channel is communicated with the first overflow valve connector, one end of the third channel is communicated with the first overflow valve connector, and the other end of the third channel is communicated with the oil drainage port.
The oil circuit block is also provided with a first oil outlet, a fifth channel is also arranged in the oil circuit block, one end of the fifth channel is communicated with the middle part of the first channel, and the other end of the fifth channel is communicated with the first oil outlet.
And a second oil outlet is also formed in the oil circuit block, a fourth channel is also arranged in the oil circuit block, one end of the fourth channel is communicated with the middle part of the first channel, and the other end of the fourth channel is communicated with the second oil outlet.
One end of the fourth passage is located between the throttle valve and one end of the fifth passage.
The internal-leakage type double-overflow system further comprises an oil pump, wherein an oil drainage oil return port, an oil inlet, an oil outlet and a second overflow valve are arranged on the oil pump, a sixth channel, an eighth channel and a meshing gear set are respectively arranged in the oil pump, one end of the sixth channel is communicated with the oil drainage oil return port, the other end of the sixth channel is communicated with the second overflow valve, one end of the eighth channel is communicated with the oil outlet, the other end of the eighth channel is communicated with the oil inlet, and the middle of the eighth channel penetrates through the meshing gear set.
And a seventh channel is further arranged in the oil pump, and one end of the seventh channel is communicated with the part, positioned between the oil outlet and the meshing gear set, of the eighth channel.
The oil drainage port is communicated with the oil drainage oil return port through a first intermediate pipeline.
And the oil inlet of the oil path block is communicated with the oil outlet through a second intermediate pipeline.
The oil outlet of the oil pump is respectively communicated with one end of the first overflow valve, one end of the second overflow valve, one end of the first actuating mechanism and one end of the second actuating mechanism, the other end of the first actuating mechanism and the other end of the second actuating mechanism are respectively communicated with the oil tank, and the other end of the first overflow valve and the other end of the second overflow valve are communicated with the oil inlet of the oil pump and the oil tank after being connected in parallel.
The utility model provides an oil circuit block is last to be provided with oil circuit block oil inlet, first overflow valve interface and draining port, be provided with first passageway, second passageway and third passageway in the oil circuit block respectively, wherein, the one end of first passageway is linked together with oil circuit block oil inlet, the other end trompil of first passageway is on the oil circuit block surface, the choke valve sets up in the other end trompil department of first passageway, the one end of second passageway is linked together with oil circuit block oil inlet, the other end of second passageway is linked together with first overflow valve interface, the one end of third passageway is linked together with first overflow valve interface, the other end of third passageway is linked together with the draining port; the whole structure is compact and the volume is small.
The oil outlet of the pump in the utility model is respectively communicated with one end of a first overflow valve, one end of a second overflow valve, one end of a first actuating mechanism and one end of a second actuating mechanism, the other end of the first actuating mechanism and the other end of the second actuating mechanism are respectively communicated with an oil tank, and the other end of the first overflow valve and the other end of the second overflow valve are communicated with an oil inlet of an oil pump and the oil tank after being connected in parallel; when the system pressure value reaches the set value of the second overflow valve, the oil outlet returns to the oil inlet of the oil pump, and the set values of the first overflow valve and the second overflow valve can be set as required, and can be the same or different. The second oil outlet of the oil circuit block, namely the P2 oil outlet, is independently regulated in flow rate by a throttle valve and is independent of the flow rate of the P1 oil outlet.
To sum up, the utility model has the characteristics of simple structure is reasonable, small.
Drawings
Fig. 1 is a partially cut-away schematic view of an embodiment of the present invention.
Fig. 2 is a schematic view of the usage state of the present invention.
In the figure: the hydraulic control system comprises a first execution structure 1, a second execution structure 2, an oil pump 3, a first overflow valve 4, a second overflow valve 5, a throttle valve 10, an oil way block oil inlet 11, a second oil outlet 12, a first oil outlet 13, an oil drainage port 14, a first overflow valve interface 15, an oil outlet 16, a seventh passage 17, a meshing gear set 18, a sixth passage 20, an oil inlet 21, an eighth passage 22, a first passage 31, a second passage 32, a third passage 33, a fourth passage 34, a fifth passage 35 and an oil drainage oil return port 41.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-2, the internal-leakage double-overflow system comprises an oil path block, wherein an oil path block oil inlet 11, a first overflow valve connector 15 and an oil drain port 14 are arranged on the oil path block, a first passage 31, a second passage 32 and a third passage 33 are respectively arranged in the oil path block, one end of the first passage 31 is communicated with the oil path block oil inlet 11, the other end of the first passage 31 is provided with a hole on the surface of the oil path block, a throttle valve 10 is arranged at the hole on the other end of the first passage 31, one end of the second passage 32 is communicated with the oil path block oil inlet 11, the other end of the second passage 32 is communicated with the first overflow valve connector 15, one end of the third passage 33 is communicated with the first overflow valve connector 15, and the other end of the third passage 33 is communicated with the oil drain port 14.
In this embodiment, the oil path block is further provided with a first oil outlet 13, the oil path block is further provided with a fifth channel 35, one end of the fifth channel 35 is communicated with the middle portion of the first channel 31, and the other end of the fifth channel 35 is communicated with the first oil outlet 13.
The oil path block is also provided with a second oil outlet 12, the oil path block is also provided with a fourth channel 34, one end of the fourth channel 34 is communicated with the middle part of the first channel 31, and the other end of the fourth channel 34 is communicated with the second oil outlet 12.
One end of the fourth passage 34 is located between the throttle valve 10 and one end of the fifth passage 35.
The internal-leakage double-overflow system further comprises an oil pump 3, wherein an oil drainage oil return port 41, an oil inlet 21, an oil outlet 16 and a second overflow valve 5 are arranged on the oil pump 3, a sixth channel 20, an eighth channel 22 and a meshing gear set 18 are respectively arranged in the oil pump 3, one end of the sixth channel 20 is communicated with the oil drainage oil return port 41, the other end of the sixth channel 20 is communicated with the second overflow valve 5, one end of the eighth channel 22 is communicated with the oil outlet 16, the other end of the eighth channel 22 is communicated with the oil inlet 21, and the middle of the eighth channel 22 penetrates through the meshing gear set 18.
A seventh passage 17 is further provided in the oil pump 3, and one end of the seventh passage 17 is communicated with a portion of the eighth passage 22 between the oil outlet 16 and the meshing gear set 18.
The oil drain port 14 is communicated with the oil drain oil return port 41 through a first intermediate pipeline.
And the oil inlet 11 of the oil path block is communicated with the oil outlet 16 through a second intermediate pipeline.
An oil outlet 16 of the oil pump 3 is respectively communicated with one end of a first overflow valve 4, one end of a second overflow valve 5, one end of a first execution mechanism 1 and one end of a second execution mechanism 2, the other end of the first execution mechanism 1 and the other end of the second execution mechanism 2 are respectively communicated with an oil tank, and the other end of the first overflow valve 4 and the other end of the second overflow valve 5 are communicated with an oil inlet 21 of the oil pump 3 and the oil tank after being connected in parallel.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. An internal-leakage type double-overflow system comprises an oil circuit block and is characterized in that an oil inlet (11) of the oil circuit block, a first overflow valve interface (15) and an oil drain port (14) are arranged on the oil circuit block, a first channel (31), a second channel (32) and a third channel (33) are respectively arranged in the oil circuit block, one end of the first channel (31) is communicated with an oil inlet (11) of the oil circuit block, the other end of the first channel (31) is provided with a hole in the surface of the oil circuit block, the throttle valve (10) is arranged at the hole at the other end of the first channel (31), one end of the second channel (32) is communicated with the oil inlet (11) of the oil circuit block, the other end of the second channel (32) is communicated with a first overflow valve connector (15), one end of the third channel (33) is communicated with the first overflow valve connector (15), and the other end of the third channel (33) is communicated with an oil drainage port (14).
2. The internal-leakage double-overflow system as claimed in claim 1, wherein a first oil outlet (13) is further provided on the oil path block, a fifth channel (35) is further provided in the oil path block, one end of the fifth channel (35) is communicated with the middle of the first channel (31), and the other end of the fifth channel (35) is communicated with the first oil outlet (13).
3. The internal-leakage double-overflow system as claimed in claim 2, wherein a second oil outlet (12) is further provided on the oil path block, a fourth channel (34) is further provided in the oil path block, one end of the fourth channel (34) is communicated with the middle of the first channel (31), and the other end of the fourth channel (34) is communicated with the second oil outlet (12).
4. Internal-leakage double overflow system according to claim 3, in which one end of the fourth channel (34) is located between the throttle valve (10) and one end of the fifth channel (35).
5. The internal-leakage double-overflow system of claim 3, further comprising an oil pump (3), wherein the oil pump (3) is provided with an oil-drainage oil-return port (41), an oil inlet (21), an oil outlet (16) and a second overflow valve (5), the oil pump (3) is internally provided with a sixth passage (20), an eighth passage (22) and a meshing gear set (18), wherein one end of the sixth passage (20) is communicated with the oil-drainage oil-return port (41), the other end of the sixth passage (20) is communicated with the second overflow valve (5), one end of the eighth passage (22) is communicated with the oil outlet (16), the other end of the eighth passage (22) is communicated with the oil inlet (21), and the middle of the eighth passage (22) passes through the meshing gear set (18).
6. Internal-leakage double-overflow system according to claim 5, characterised in that a seventh channel (17) is further provided in the oil pump (3), one end of the seventh channel (17) being in communication with the eighth channel (22) between the oil outlet (16) and the meshing gear set (18).
7. Internal-release double overflow system according to claim 5, in which the drain opening (14) communicates with a drain return opening (41) via a first intermediate duct.
8. Internal-leakage double-overflow system according to claim 5, characterised in that the oil inlet (11) of the oil block communicates with the oil outlet (16) via a second intermediate conduit.
9. The internal-leakage double-overflow system of claim 5, wherein an oil outlet (16) of the oil pump (3) is respectively communicated with one end of the first overflow valve (4), one end of the second overflow valve (5), one end of the first actuator (1) and one end of the second actuator (2), the other end of the first actuator (1) and the other end of the second actuator (2) are respectively communicated with the oil tank, and the other end of the first overflow valve (4) and the other end of the second overflow valve (5) are connected in parallel and then communicated with an oil inlet (21) of the oil pump (3) and the oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921303253.0U CN210265317U (en) | 2019-08-09 | 2019-08-09 | Internal-discharge type double-overflow system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921303253.0U CN210265317U (en) | 2019-08-09 | 2019-08-09 | Internal-discharge type double-overflow system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210265317U true CN210265317U (en) | 2020-04-07 |
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ID=70017447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921303253.0U Active CN210265317U (en) | 2019-08-09 | 2019-08-09 | Internal-discharge type double-overflow system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210265317U (en) |
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2019
- 2019-08-09 CN CN201921303253.0U patent/CN210265317U/en active Active
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