CN211951026U - Multifunctional combined type oil pressure control valve and engineering vehicle - Google Patents
Multifunctional combined type oil pressure control valve and engineering vehicle Download PDFInfo
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- CN211951026U CN211951026U CN202020497216.4U CN202020497216U CN211951026U CN 211951026 U CN211951026 U CN 211951026U CN 202020497216 U CN202020497216 U CN 202020497216U CN 211951026 U CN211951026 U CN 211951026U
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Abstract
The utility model discloses a multifunctional combined oil pressure control valve and an engineering vehicle, wherein the combined oil pressure control valve comprises a valve body, a one-way valve and a pressure regulating valve; the check valve and the pressure regulating valve are integrally installed in the valve body; the oil outlet of the one-way valve on the valve body and the oil path entering the gearbox share one oil path, and the overflow port of the pressure regulating valve on the valve body and the oil path entering the torque converter share one oil path, so that the processing accuracy and consistency of the oil paths of the valve body, the gearbox body and the torque converter shell are ensured; the inlet and outlet of the filter on the valve body are communicated with the oil inlet and outlet circuit of the filter to purify the hydraulic oil; and the valve body is provided with a pressure measuring port for measuring the pressure value in the test process. The utility model discloses effectively promote the ability of oil pressure control valve integrated control gearbox and torque converter system pressure.
Description
Technical Field
The utility model relates to a many function combination type oil pressure control valve belongs to control valve technical field.
Background
The oil pressure control valve is an extremely important element in the electro-hydraulic transmission, and is related to the service life of the transmission. At present, most of hydraulic control valves for engineering machinery have single function, and the system for controlling the gearbox and the torque converter has weak pressure, so that the stability of the oil pressure is poor, and certain internal leakage sometimes exists. Because each part of the oil pressure control valve assembly is independently processed and installed and has an independent oil duct, the processing difficulty of the oil ducts of the valve body, the gearbox body and the torque converter shell is further increased, the consistency of the two parts after assembly is poor, and the difficulty of troubleshooting after the follow-up problem of the product is increased. In addition, a few gearboxes are also arranged in the box body, but because the space inside the box body and the shell of the torque converter is limited, the installation difficulty is increased, and the assembly efficiency is seriously influenced; the subsequent disassembly and assembly difficulty is increased, and the maintenance and the replacement are not very facilitated. Meanwhile, the maintenance and replacement efficiency is low, the troubleshooting of an operator is inconvenient, time and labor are wasted, and the maintenance progress is seriously influenced.
Disclosure of Invention
The utility model provides a many function combination type oil pressure control valve, its purpose effectively promotes the ability of oil pressure control valve integrated control gearbox and torque converter system pressure.
The utility model discloses realize according to following technical scheme:
a multifunctional combined oil pressure control valve comprises a valve body, a one-way valve and a pressure regulating valve; the check valve and the pressure regulating valve are integrally installed in the valve body; the oil outlet of the one-way valve on the valve body and the oil path entering the gearbox share one oil path, and the overflow port of the pressure regulating valve on the valve body and the oil path entering the torque converter share one oil path, so that the processing accuracy and consistency of the oil paths of the valve body, the gearbox body and the torque converter shell are ensured; the inlet and outlet of the filter on the valve body are communicated with the oil inlet and outlet circuit of the filter to purify the hydraulic oil; and the valve body is provided with a pressure measuring port for measuring the pressure value in the test process.
Further, the check valve is detachably mounted in the valve body.
Further, the one-way valve comprises a steel ball, a one-way valve spring and a blocking type one-way valve spring seat; the steel ball and the check valve spring are sequentially assembled in a check valve hole in the valve body, and the check valve is sealed by screwing the plugging type check valve spring seat in the valve body.
And furthermore, an O-shaped sealing ring is arranged in the blocking type one-way valve spring seat, so that the sealing effect is further realized.
Further, the pressure regulating valve is detachably mounted in the valve body.
Further, the pressure regulating valve comprises a pressure regulating valve core and a pressure regulating valve core spring; the pressure regulating valve core is arranged in the pressure regulating valve core through a spring, the pressure regulating valve core is assembled in a pressure regulating valve hole in the valve body, and the pressure regulating valve is sealed by screwing a valve core plug in the valve body.
Furthermore, an O-shaped sealing ring is arranged in the valve core plug, so that the sealing effect is further realized.
Further, the pressure regulating valve also comprises an adjusting gasket which is arranged in the pressure regulating valve core, and the spring pressure of the pressure regulating valve core is regulated by increasing or reducing the number of the adjusting gaskets, so that the oil pressure is ensured to be in a required range.
Furthermore, the pressure measuring port is sealed through an ED sealing ring and an inner hexagonal plug.
An engineering vehicle comprises a torque converter, a gearbox and a filter, and further comprises the multifunctional combined type oil pressure control valve; the multifunctional combined type oil pressure control valve is installed on the gearbox through bolts, and the filter is installed on the multifunctional combined type oil pressure control valve through bolts.
The utility model discloses beneficial effect:
the utility model provides a traditional oil pressure control valve independent dispersion, function singleness and the product troubleshooting's of being not convenient for problem, it adopts external combination design method, and the unidirectional valve is integrative with the air-vent valve is integrated, has simple structure, the uniformity is good and dismantle advantages such as convenient. The pressure capacity of the integrated control system and the functions of the overflow and pressure regulation of the torque converter are improved, the internal leakage of the oil pressure control valve during working is effectively reduced, the stability of oil pressure is ensured, and the reliability of products is improved. Meanwhile, the oil outlet of the check valve on the valve body and the oil path entering the gearbox share one oil path, and the overflow port of the pressure regulating valve on the valve body and the oil path entering the torque converter share one oil path, so that the processing accuracy and consistency of the oil paths of the valve body, the gearbox body and the torque converter shell are ensured. Moreover, the method is beneficial to the troubleshooting of subsequent faults. Simultaneously, it does benefit to the hydraulic oil of purifying with the business turn over oil circuit UNICOM of filter, effectively promotes the fluid purity, reduces the trouble possibility. It passes through bolted connection with gearbox, filter, promotes assembly efficiency, and to a great extent has simplified maintenance and change work in the future.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. The present invention will be described in detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an oil inlet/outlet port at a mounting junction surface of the transmission case of the present invention;
fig. 3 is a schematic structural view of the present invention mounted on a transmission case.
In the figure: 1. the valve comprises a valve body, a hexagon socket head, a 3, an ED sealing ring, a 4, a steel ball, a 5, a one-way valve spring, a 6, a blocking type one-way valve spring seat, a 7, an O-shaped sealing ring, a 8, a pressure regulating valve core spring, a 9, an adjusting gasket, a 10, a pressure regulating valve core, a 11, a valve core head, a 12 and a valve core seat;
100. torque converter, 200, gearbox, 300, combined oil pressure control valve, 400, short bolt, 500, long bolt, 600, filter;
the system comprises an A-one-way valve oil outlet, a B-pressure regulating valve overflow port, a C-filter inlet, a D-filter outlet and an E-pressure measuring port.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention.
The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the multifunctional combined type oil pressure control valve comprises a valve body 1, a one-way valve and a pressure regulating valve; the one-way valve and the pressure regulating valve are integrally arranged in the valve body 1; the oil outlet A of the one-way valve on the valve body 1 and the oil path entering the gearbox 200 share one oil path, and the overflow port B of the pressure regulating valve on the valve body 1 and the oil path entering the torque converter 100 share one oil path, so that the machining accuracy and consistency of the oil paths of the combined oil pressure control valve 300, the gearbox body and the torque converter shell are ensured; a filter inlet C and a filter outlet D which are positioned on the valve body 1 are communicated with an oil inlet and outlet way of the filter 600 to purify hydraulic oil; and a pressure measuring port E is arranged on the valve body 1 and used for measuring the pressure value in the test process.
The check valve in the above embodiment is further described below:
the check valve is detachably arranged in the valve body 1, so that the follow-up check valve is convenient to assemble, disassemble, assemble and maintain.
Specifically, the method comprises the following steps: the one-way valve comprises a steel ball 4, a one-way valve spring 5 and a blocking type one-way valve spring seat 6; the steel ball 4 and the check valve spring 5 are sequentially assembled in a check valve hole in the valve body 1, and the check valve is sealed by screwing the plugging type check valve spring seat 6 in the valve body.
The preferred scheme is as follows: an O-shaped sealing ring 7 is arranged in the blocking type one-way valve spring seat 6, and the sealing effect is further realized.
Leakage is effectively prevented through the blocking type one-way valve spring seat 6 and the O-shaped sealing ring 7, the oil pressure value entering the torque converter is reasonably and effectively adjusted through the one-way valve spring 5, and the oil pressure is guaranteed to be stabilized at the required oil pressure of 1.1-1.3 MPa.
The pressure regulating valve in the above embodiment is further described below:
the pressure regulating valve is detachably arranged in the valve body 1, so that the subsequent assembling, disassembling and maintaining work of the pressure regulating valve is facilitated.
Specifically, the pressure regulating valve comprises a pressure regulating valve core 10 and a pressure regulating valve core spring 8; the pressure regulating valve core spring 8 is installed in the pressure regulating valve core 10, the pressure regulating valve core 10 is assembled in a pressure regulating valve hole located in the valve body 1, the valve core base 12 is plugged into the residual space, and finally the pressure regulating valve is sealed by screwing the valve core plug 11 in the valve body 1.
The preferred scheme is as follows: an O-shaped sealing ring 7 is arranged in the valve core plug 11, so that the sealing effect is further realized.
Further scheme: the pressure regulating valve also comprises a regulating gasket 9, the regulating gasket 9 is arranged in the pressure regulating valve core, and the pressure of the spring 8 of the pressure regulating valve core is regulated by increasing or decreasing the number of the regulating gaskets 9, so that the oil pressure is ensured to be in a required range.
The valve core plug 11 and the O-shaped sealing ring 7 effectively prevent leakage, and the oil pressure value is reasonably and effectively adjusted through the pressure regulating valve core spring 8 according to the oil pressure entering the gearbox 200, so that the oil pressure is ensured to be stabilized at the required oil pressure of 1.8-2.1 MPa. And, the pressure regulating valve core spring 8 department is equipped with adjusting shim 9, can be according to the oil pressure value actual conditions, especially the combination valve life back spring takes place to warp, and this adjusting shim 9's quantity of accessible increase or reduction guarantees that the oil pressure is in required scope.
Specifically, the pressure measuring port E is sealed by an ED sealing ring 3 and an inner hexagonal plug 2.
It should be noted that the above is a detailed description of the specific implementation of the present invention, but the present invention is not limited to the above-described specific embodiments, which are only examples, and any equivalent modifications and substitutions for the combined oil pressure control valve are within the scope of the present invention for those skilled in the art.
The utility model discloses a common coordination work of check valve and air-vent valve, closely cooperate, guarantee respectively to get into the stability of gearbox 200 and torque converter 100 oil pressure, adopt O type sealing washer 7 and ED sealing washer 3 to prevent external leakage. The assembly process is as follows:
step 1: sequentially assembling an ED sealing ring 3 and an inner hexagonal plug 2 to a pressure measuring port;
step 2: sequentially installing a steel ball 4 and a one-way valve spring 5 into a one-way valve hole, sequentially installing an O-shaped sealing ring 7 and a blocking one-way valve spring seat 6 to corresponding positions, and ensuring that the bottom end face of the inner side of the blocking one-way valve spring seat 6 is effectively contacted with the one-way valve spring 5;
and 3, step 3: sequentially installing an adjusting gasket 9 and a pressure regulating valve core spring 8 into an inner hole of a pressure regulating valve core 10, and ensuring that the pressure regulating valve core spring 8 is contacted with the bottom surface of the valve body 1;
and 4, step 4: and adding and plugging the residual space of the valve core seat 12, and finally assembling the O-shaped sealing ring 7 and the valve core plug 11 to the installation position of the valve core plug threaded hole of the valve body in sequence.
The utility model provides a traditional oil pressure control valve independent dispersion, function singleness and the product troubleshooting's of being not convenient for problem, it adopts external combination design method, and the unidirectional valve is integrative with the air-vent valve is integrated, has simple structure, the uniformity is good and dismantle advantages such as convenient. The pressure capacity of the integrated control system and the functions of the overflow and pressure regulation of the torque converter are improved, the internal leakage of the oil pressure control valve during working is effectively reduced, the stability of oil pressure is ensured, and the reliability of products is improved. Meanwhile, the oil outlet of the check valve on the valve body and the oil path entering the gearbox share one oil path, and the overflow port of the pressure regulating valve on the valve body and the oil path entering the torque converter share one oil path, so that the processing accuracy and consistency of the oil paths of the valve body, the gearbox body and the torque converter shell are ensured. Moreover, the method is beneficial to the troubleshooting of subsequent faults. Simultaneously, it does benefit to the hydraulic oil of purifying with the business turn over oil circuit UNICOM of filter, effectively promotes the fluid purity, reduces the trouble possibility. It passes through bolted connection with gearbox, filter, promotes assembly efficiency, and to a great extent has simplified maintenance and change work in the future.
As shown in fig. 3, a working vehicle includes a torque converter 100, a transmission 200, a filter 600, and the above-described combination type oil pressure control valve 300; the multifunctional combination type oil pressure control valve 300 is mounted on the transmission case 200 by the short bolt 400, and the filter 600 is mounted on the combination type oil pressure control valve 300 by the long bolt 500.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (10)
1. A multifunctional combined type oil pressure control valve is characterized in that: comprises a valve body, a one-way valve and a pressure regulating valve;
the check valve and the pressure regulating valve are integrally installed in the valve body;
the oil outlet of the one-way valve on the valve body and the oil path entering the gearbox share one oil path, and the overflow port of the pressure regulating valve on the valve body and the oil path entering the torque converter share one oil path, so that the processing accuracy and consistency of the oil paths of the valve body, the gearbox body and the torque converter shell are ensured;
the inlet and outlet of the filter on the valve body are communicated with the oil inlet and outlet circuit of the filter to purify the hydraulic oil;
and the valve body is provided with a pressure measuring port for measuring the pressure value in the test process.
2. The multi-functional combined type oil pressure control valve according to claim 1, characterized in that: the check valve is detachably arranged in the valve body.
3. The multi-functional combined type oil pressure control valve according to claim 2, characterized in that: the one-way valve comprises a steel ball, a one-way valve spring and a blocking type one-way valve spring seat;
the steel ball, the one-way valve spring and the blocking type one-way valve spring seat are sequentially assembled in the one-way valve hole in the valve body, and the one-way valve is sealed through the blocking type one-way valve spring seat.
4. The multi-functional combined type oil pressure control valve according to claim 3, characterized in that: an O-shaped sealing ring is arranged in the blocking type one-way valve spring seat, and the sealing effect is further realized.
5. The multi-functional combined type oil pressure control valve according to claim 1, characterized in that: the pressure regulating valve is detachably arranged in the valve body.
6. The multi-functional combined type oil pressure control valve according to claim 5, characterized in that: the pressure regulating valve comprises a pressure regulating valve core and a pressure regulating valve core spring;
the pressure regulating valve core is arranged in the pressure regulating valve core through a spring, the pressure regulating valve core is assembled in a pressure regulating valve hole in the valve body, and the pressure regulating valve is sealed by screwing a valve core plug in the valve body.
7. The multi-functional combination type oil pressure control valve according to claim 6, characterized in that: an O-shaped sealing ring is arranged in the valve core plug, so that the sealing effect is further realized.
8. The multi-functional combination type oil pressure control valve according to claim 6, characterized in that: the pressure regulating valve also comprises an adjusting gasket which is arranged in the pressure regulating valve core, and the spring pressure of the pressure regulating valve core is regulated by increasing or reducing the number of the adjusting gaskets so as to ensure that the oil pressure is in a required range.
9. The multi-functional combined type oil pressure control valve according to claim 1, characterized in that: and the pressure measuring port is sealed by an ED sealing ring and an inner hexagonal plug.
10. A kind of engineering vehicle, including torque converter, change-speed gear box and filter, characterized by that: further comprising the multipurpose combination type oil pressure control valve of any one of claims 1 to 9;
the multifunctional combined type oil pressure control valve is installed on the gearbox through bolts, and the filter is installed on the multifunctional combined type oil pressure control valve through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020497216.4U CN211951026U (en) | 2020-04-08 | 2020-04-08 | Multifunctional combined type oil pressure control valve and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020497216.4U CN211951026U (en) | 2020-04-08 | 2020-04-08 | Multifunctional combined type oil pressure control valve and engineering vehicle |
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| Publication Number | Publication Date |
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| CN211951026U true CN211951026U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020497216.4U Active CN211951026U (en) | 2020-04-08 | 2020-04-08 | Multifunctional combined type oil pressure control valve and engineering vehicle |
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| Country | Link |
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| CN (1) | CN211951026U (en) |
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- 2020-04-08 CN CN202020497216.4U patent/CN211951026U/en active Active
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