CN210531271U - Integrated oil circuit block - Google Patents
Integrated oil circuit block Download PDFInfo
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- CN210531271U CN210531271U CN201921743747.0U CN201921743747U CN210531271U CN 210531271 U CN210531271 U CN 210531271U CN 201921743747 U CN201921743747 U CN 201921743747U CN 210531271 U CN210531271 U CN 210531271U
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- filter
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Abstract
The utility model discloses an integrated oil circuit block, which comprises a valve body and an electromagnetic directional valve; the valve body is provided with a filter and an energy accumulator, a one-way valve is communicated between the filter and the energy accumulator, bypass valves are communicated at two ends of the filter, an overflow valve is communicated between the filter and the one-way valve, and the energy accumulator is communicated with the electromagnetic directional valve. The valve body is provided with an oil inlet P port, an oil return port T port and a working oil port, the oil inlet P port and the oil return port T port are respectively arranged at two ends of the valve body, the oil inlet P port is communicated with the filter, and the oil return port T port is communicated with the overflow valve. The utility model relates to an integrated oil circuit piece has solved the valve body and has blockked up the trouble because of the bad oil circuit that causes of cleanliness, provides the emergency energy under emergency, prevents the emergence of incident.
Description
Technical Field
The utility model relates to an dig quick-witted technical field, especially relate to an integrated oil circuit piece.
Background
The oil passage block is an assembly in which dispersed hydraulic oil passages are integrated. The oil circuit block is a block for controlling the operation of hydraulic oil, is usually made of metal, and is independently designed according to a hydraulic schematic diagram for each hydraulic system.
At present, hydraulic machines are all integrated with electricity and liquid, the excavator mainly controls the shunting and the on-off of oil liquid through electrical control, the working condition of the excavator is heavy, and once safety problems occur, if the safety problems cannot be effectively solved, serious safety accidents can be caused; when the filter fails, the safety problem of oil circuit blockage can occur; there is no emergency energy, and when the host is powered off, the host can not supply energy continuously, resulting in safety accidents.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to solve the problem that an integrated oil circuit piece is provided, solved the valve body because of the bad oil circuit jam trouble that causes of cleanliness, provide the emergent energy under emergency, prevent the emergence of incident.
(II) technical scheme
In order to achieve the above object, the technical solution adopted by the present invention to solve the above technical problems is to provide an integrated oil circuit block, which comprises a valve body and an electromagnetic directional valve;
the valve body is provided with a filter and an energy accumulator, a one-way valve is communicated between the filter and the energy accumulator, bypass valves are communicated at two ends of the filter, an overflow valve is communicated between the filter and the one-way valve, and the energy accumulator is communicated with the electromagnetic directional valve.
The oil is filtered by the filter to obtain clean oil, and when the filter is blocked, the oil passes through a bypass valve communicated with the filter, so that the oil is prevented from being supplied unsmoothly, and safety accidents are prevented; the oil is decompressed through the overflow valve, so that the pressure of the oil inlet is reduced to a standard pressure value, at the moment, the oil enters the energy accumulator through a one-way valve communicated between the filter and the energy accumulator to store part of emergency hydraulic oil, and the emergency hydraulic oil can be used as emergency energy in a host dead halt state to prevent safety accidents; after the hydraulic oil is stored, the oil liquid continuously flows to the electromagnetic directional valve, and then the opening and closing of the oil outlet are controlled by controlling the on-off of the electromagnetic directional valve.
Furthermore, an oil inlet P port, an oil return port T port and a working oil port are formed in the valve body, the oil inlet P port and the oil return port T port are respectively arranged at two ends of the valve body, the oil inlet P port is communicated with the filter, and the oil return port T port is communicated with the overflow valve.
The oil inlet P mouth and the oil return T mouth set up respectively at the right-hand member and the left end of valve body, and during oil inlet P mouth flowed into the filter, oil return T mouth and overflow valve intercommunication when hydraulic oil pressure was too big, kept pressure at the standard value through the outside pressure release of overflow valve.
Further, the working oil port comprises an oil outlet P1 port and an oil outlet P2 port, and the oil outlet P1 port and the oil outlet P2 port are formed in the valve body.
Further, the electromagnetic directional valve further comprises a first electromagnetic directional valve and a second electromagnetic directional valve, the first electromagnetic directional valve is communicated with the oil outlet P1, and the second electromagnetic directional valve is communicated with the oil outlet P2.
An oil outlet P1 port and an oil outlet P2 port are respectively communicated with the first electromagnetic reversing valve and the second electromagnetic reversing valve, and when the electromagnetic reversing valves are powered off, no pressure is output from the oil outlet; when the electromagnetic directional valve is electrified, the oil outlet has pressure output, and the pressure output of the oil outlet is controlled by controlling the on-off of the electromagnetic directional valve.
(III) advantageous effects
The utility model discloses the defect of valve body because of the bad oil circuit jam trouble that causes of cleanliness has been solved to the both ends intercommunication bypass valve at the filter, has increased the energy storage ware for provide the emergent energy under emergency, prevent the emergence of incident.
Drawings
Fig. 1 is a schematic view of the integrated oil circuit block of the present invention;
fig. 2 is a schematic diagram of a right-view structure of the integrated oil circuit block of the present invention;
fig. 3 is a left side view structural diagram of the integrated oil circuit block of the present invention;
FIG. 4 is a schematic diagram of the integrated oil circuit block of the present invention;
the corresponding part names for the various reference numbers in the figures are: 1 is a first electromagnetic directional valve, 2 is a filter, 3 is a valve body, 4 is a second electromagnetic directional valve, 5 is a one-way valve, 6 is an energy accumulator, 7 is an overflow valve, and 8 is a bypass valve.
Detailed Description
In this embodiment:
the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, an integrated oil circuit block includes a valve body 3 and an electromagnetic directional valve; the valve body 3 is provided with a filter 2 and an energy accumulator 6, a one-way valve 5 is communicated between the filter 2 and the energy accumulator 6, two ends of the filter 2 are communicated with bypass valves 8, an overflow valve 7 is communicated between the filter 2 and the one-way valve 5, and the energy accumulator 6 is communicated with the electromagnetic directional valve. An oil inlet P port, an oil return port T port and a working oil port are formed in the valve body 3, the oil inlet P port and the oil return port T port are respectively arranged at two ends of the valve body 3, the oil inlet P port is communicated with the filter 2, and the oil return port T port is communicated with the overflow valve 7. The working oil port comprises an oil outlet P1 port and an oil outlet P2 port, and the oil outlet P1 port and the oil outlet P2 port are formed in the valve body 3. The electromagnetic directional valve also comprises a first electromagnetic directional valve 1 and a second electromagnetic directional valve 4, the first electromagnetic directional valve 1 is communicated with an oil outlet P1, and the second electromagnetic directional valve 2 is communicated with an oil outlet P2.
Referring to fig. 1, the oil is filtered by a filter 2 to obtain clean oil, and when the filter 2 is blocked, the oil passes through a bypass valve 8 communicated with the filter 2, so that the oil is prevented from being supplied unsmoothly, and safety accidents are prevented; oil is decompressed through an overflow valve 7, so that the pressure of the inlet oil is reduced to a standard pressure value, at the moment, the oil enters the energy accumulator 6 through a one-way valve 5 communicated between the filter 2 and the energy accumulator 6 to store part of emergency hydraulic oil, and the emergency hydraulic oil can be used as emergency energy in a host dead halt state to prevent safety accidents; after the hydraulic oil is stored, the oil liquid continuously flows to the electromagnetic directional valve, and then the opening and closing of the oil outlet are controlled by controlling the on-off of the electromagnetic directional valve.
Referring to fig. 2 and 3, an oil inlet P and an oil return port T are respectively disposed at the right end and the left end of the valve body 3, the oil inlet P flows into the filter, the oil return port T is communicated with the overflow valve, and when the hydraulic oil pressure is too high, the pressure is released outwards through the overflow valve 7 to keep the pressure at a standard value.
Referring to fig. 4, an oil outlet P1 and an oil outlet P2 are respectively communicated with the first electromagnetic directional valve 1 and the second electromagnetic directional valve 4, and when the electromagnetic directional valves are powered off, no pressure is output from the oil outlet; when the electromagnetic directional valve is electrified, the oil outlet has pressure output, and the pressure output of the oil outlet is controlled by controlling the on-off of the electromagnetic directional valve. The filter 2 filters oil liquid to ensure that the cleanliness of the oil liquid reaches a standard level; when the filter 2 is blocked by the bypass valve 8, oil can directly pass through the bypass valve 8, so that the oil passage is prevented from being blocked to influence the smoothness of the oil passage, and safety accidents are prevented; the pressure of the overflow valve 7 can be adjusted, for example, when the pressure of the overflow valve 7 is set to be 3.5MPa, and when the oil inlet pressure is 5MPa, part of pressure can be discharged by the overflow valve 7, so that the internal pressure of the valve body 3 is stabilized at 3.5 MPa; when the oil inlet P of the one-way valve 5 is suddenly cut off, the one-way valve 5 blocks the oil in front of and behind the one-way valve 5; 1MPa of nitrogen is pre-filled in the energy accumulator 6, and when oil with the pressure of 3.5MPa passes through, a certain amount of 3.5MPa of hydraulic oil can be stored in the energy accumulator 6; when the first electromagnetic directional valve 1 and the second electromagnetic directional valve 4 are powered off, no pressure is output from the oil outlet P1 and the oil outlet P2; when the first electromagnetic directional valve 1 and the second electromagnetic directional valve 4 are electrified, the oil outlet port P1 and the oil outlet port P2 have pressure output.
When the oil path block normally works, oil enters an oil inlet P, is filtered by the filter 2, is decompressed by the overflow valve 7, is stored in the energy accumulator 6, and is charged and discharged by the first electromagnetic valve reversing valve 1 and the second electromagnetic valve 4, so that the pressure output of an oil outlet P1 and an oil outlet P2 is controlled. When the filter is blocked, the oil can pass through a bypass valve communicated with the filter, so that the oil is prevented from being supplied unsmoothly, and safety accidents are prevented; when the oil inlet P stops supplying oil suddenly, the pressure oil stored in the energy accumulator 6 can be used as emergency energy to supply oil for the electromagnetic directional valve.
Compared with the prior art, the technical scheme of the utility model have following advantage: the utility model has the advantages that the two ends of the filter are communicated with the bypass valve, when the filter is blocked, the oil can flow into the energy accumulator through the bypass valve communicated with the filter, and the defect of oil path blocking fault caused by poor cleanliness of the valve body is overcome; the energy accumulator is added for providing emergency energy in emergency situations to prevent safety accidents; the oil is decompressed through the overflow valve, so that the pressure of the oil inlet is reduced to a standard pressure value, at the moment, the oil enters the energy accumulator through a one-way valve communicated between the filter and the energy accumulator to store part of emergency hydraulic oil, and the emergency hydraulic oil can be used as emergency energy in a host dead halt state to prevent safety accidents; the filter ensures the cleanliness of oil liquid and greatly reduces the occurrence of valve blockage; the electromagnetic directional valve is used for controlling the opening and closing of the oil outlet, so that an operator can simply and effectively control the main machine of the excavator.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. An integrated oil circuit block, characterized in that: comprises a valve body (3) and an electromagnetic reversing valve;
the electromagnetic reversing valve is characterized in that a filter (2) and an energy accumulator (6) are arranged on the valve body (3), a one-way valve (5) is communicated between the filter (2) and the energy accumulator (6), bypass valves (8) are communicated with two ends of the filter (2), an overflow valve (7) is communicated between the filter (2) and the one-way valve (5), and the energy accumulator (6) is communicated with the electromagnetic reversing valve.
2. The integrated oil circuit block of claim 1, wherein: the oil inlet P port and the oil return port T are respectively arranged at two ends of the valve body (3), the oil inlet P port is communicated with the filter (2), and the oil return port T is communicated with the overflow valve (7).
3. The integrated oil circuit block of claim 2, wherein: the working oil port comprises an oil outlet P1 port and an oil outlet P2 port, and the oil outlet P1 port and the oil outlet P2 port are formed in the valve body (3).
4. The integrated oil circuit block of claim 3, wherein: the electromagnetic directional valve further comprises a first electromagnetic directional valve (1) and a second electromagnetic directional valve (4), the first electromagnetic directional valve (1) is communicated with the oil outlet P1, and the second electromagnetic directional valve (4) is communicated with the oil outlet P2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921743747.0U CN210531271U (en) | 2019-10-17 | 2019-10-17 | Integrated oil circuit block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921743747.0U CN210531271U (en) | 2019-10-17 | 2019-10-17 | Integrated oil circuit block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210531271U true CN210531271U (en) | 2020-05-15 |
Family
ID=70608227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921743747.0U Active CN210531271U (en) | 2019-10-17 | 2019-10-17 | Integrated oil circuit block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210531271U (en) |
-
2019
- 2019-10-17 CN CN201921743747.0U patent/CN210531271U/en active Active
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