CN108005977B - Hydraulic electromagnetic valve with temperature monitoring function - Google Patents
Hydraulic electromagnetic valve with temperature monitoring function Download PDFInfo
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- CN108005977B CN108005977B CN201711090593.5A CN201711090593A CN108005977B CN 108005977 B CN108005977 B CN 108005977B CN 201711090593 A CN201711090593 A CN 201711090593A CN 108005977 B CN108005977 B CN 108005977B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/005—Fault detection or monitoring
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Temperature-Responsive Valves (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention relates to a hydraulic electromagnetic valve with a temperature monitoring function, which comprises a pilot valve, an electromagnet assembly, a temperature sensor, a second sealing ring and a shell, wherein the pilot valve is arranged on the shell; the casing has pilot valve installation cavity, sensor installation cavity, inlet port, load hole and oil gallery, and the inlet port communicates with the sensor installation cavity. According to the hydraulic solenoid valve with the temperature monitoring function, the temperature sensor is integrated on the coil skeleton assembly, so that the temperature of oil can be monitored on one hand, and the installation error between the coil skeleton assembly and the shell can be prevented on the other hand; the sealing between the valve body and the shell of the product, and between the sensor and the shell of the product does not adopt O-shaped sealing rings but adopts sealing rings made of Torlon, so that the volume and the weight of the product are greatly reduced, a sliding barrel structure is additionally arranged between the armature and the coil assembly, the blocking probability of the product is greatly reduced, and the safety of the product is improved.
Description
Technical Field
The invention belongs to the technical field of hydraulic pressure, and relates to a hydraulic electromagnetic valve with a temperature monitoring function.
Background
The general hydraulic electromagnetic valve consists of an electromagnet assembly, a pilot valve assembly, a shell and the like, and is sealed by adopting an O-shaped ring, so that the product has large volume and heavy weight and needs more installation space; the traditional hydraulic electromagnetic valve only controls the on-off of a hydraulic oil way in a hydraulic system, the temperature of oil is not monitored, and when the temperature of the oil needs to be monitored, a temperature sensor must be additionally arranged, so that the volume of the system is enlarged.
Disclosure of Invention
The purpose of the invention is: the hydraulic electromagnetic valve has high reliability, a temperature monitoring function and a small size.
The technical solution of the invention is as follows: a hydraulic electromagnetic valve with a temperature monitoring function comprises a pilot valve, an electromagnet assembly, a temperature sensor 13, a second sealing ring 14 and a shell 15; the shell 15 is provided with a pilot valve mounting cavity, a sensor mounting cavity, an oil inlet hole, a load hole and an oil return hole, wherein the oil inlet hole is communicated with the sensor mounting cavity;
the pilot valve comprises a first sealing ring 1, a filter screen assembly 2, a guiding device 3, a steel ball 4, a push rod 5 and a valve body 6, wherein an inner hole of the first sealing ring 1 is conical and is in a flaring horn shape, the valve body 6 is in a T-shaped structure, the valve body 6 comprises a sealing section and an installation section, the part of the sealing section, which is matched with the inner hole of the sealing ring 1, is conical, the valve body 6 is axially provided with a guiding cavity and a push rod cavity, a load oil port is arranged between the guiding cavity and a load, the load oil port is communicated with a shell load hole, an oil return port is arranged between the push rod cavity and oil return, the oil return port is communicated with a shell oil return hole, the guiding cavity is positioned on the conical contraction side and is respectively used; the outer side of the guide cavity is provided with a step hole, the filter screen component 2 is installed, the guide device 3 is provided with an oil inlet hole and a guide hole which are communicated, a steel ball 4 is installed in the guide hole, and the inner side of the push rod 5 is provided with a bulge which can penetrate through a small hole between the guide cavity and the push rod cavity and push the steel ball 4;
the electromagnet assembly comprises a coil framework assembly 10, a coil 7, a sliding barrel 8, an armature 9, a spring 11 and a sleeve 12, wherein the coil framework assembly 10 is provided with an inner hole, a step hole, a threaded hole and a wire groove, the sliding barrel 8 is arranged in the inner hole of the coil framework assembly 10, the armature 9 is arranged in the sliding barrel 8, one side of the sliding barrel 8 is open, the other side of the sliding barrel is provided with an end face, the armature 9 can reciprocate in the sliding barrel 8 and can limit through the end face, and the sliding barrel 8 can reciprocate in the coil framework assembly 10; the stepped hole of the coil skeleton assembly 10 is used for installing the installation section of the valve body 6 and fixedly connected into a whole by welding, the coil 7 is installed in a wire slot of the coil skeleton assembly 10, a sleeve 12 is arranged outside the coil skeleton assembly 10, and the sleeve 12 and the coil skeleton assembly 10 are fixedly connected into a whole by welding;
the temperature sensor 13 is provided with an installation section, a sealing section and a temperature measuring section, the installation section is matched with a threaded hole of the coil assembly, the part of the sealing section matched with the inner hole of the second sealing ring 14 is conical, and the temperature measuring section is installed in a temperature sensor installation cavity; the bobbin assembly 10 is mounted to the housing by screws.
The taper of the inner holes of the first sealing ring 1 and the second sealing ring 14 is 5-8 degrees.
The conicity of the sealing section of the valve body 6 and the sealing section of the temperature sensor 13 is 5-8 degrees.
The outer surfaces of the two ends of the first sealing ring 1 are provided with annular grooves for releasing the extrusion stress.
The outer surface of the first sealing ring 1 perpendicular to the direction of the oil return hole and the direction of the oil inlet hole is provided with two rectangular grooves which are symmetrically distributed and used for releasing stress.
The joint of the sealing section and the mounting section of the valve body 6 is provided with an anti-twisting groove which is waist-shaped and is parallel to the axial direction of the sealing section.
The number of the anti-twisting grooves is 3, and the anti-twisting grooves are uniformly distributed along the circumference.
The push rod 5 is conical in projection, and the taper is 15-25 degrees.
The material of the sealing ring is Torlon.
The middle part of the outer surface of the second sealing ring 14 is provided with 4 rectangular grooves which are uniformly distributed and used for releasing stress.
The armature 9 and the outer surface circumference of the sliding cylinder 8 are provided with oil grooves which are axially penetrated.
The oil grooves are symmetrically distributed.
The 8 terminal surface outsides of above-mentioned smooth section of thick bamboo are equipped with the oil groove, and the oil groove is 0.3mm deep, wide 1.5mm, and quantity is 4, the equipartition.
The end of the coil skeleton assembly 10 is provided with a tip hole with an angle of 118 degrees and an excircle diameter of phi 8.
The invention has the beneficial effects that: a hydraulic solenoid valve with a temperature monitoring function is provided with a temperature sensor 13, wherein the temperature sensor can monitor the oil temperature on one hand and can prevent the installation error between a coil framework assembly 10 and a shell 15 on the other hand; the pilot valve of the hydraulic electromagnetic valve is fixedly connected with the coil framework assembly 10 through welding, so that the weight of a product is reduced; the sealing between the valve body 6 and the shell 15 of the product, and between the temperature sensor 13 and the shell 6 adopts sealing rings instead of O-shaped sealing rings, so that the volume and the weight of the product are greatly reduced, the sliding cylinder 8 is additionally arranged between the armature 9 and the coil framework component 10, the blocking probability of the product is greatly reduced, and the safety of the product is improved.
Drawings
Fig. 1 is a schematic structural view of a hydraulic solenoid valve with a temperature monitoring function according to the present invention, 1: first seal ring, 2: filter screen subassembly, 3: guide device, 4: steel ball, 5: push rod, 6: valve body, 7: coil, 8: slide cylinder, 9: armature, 10: coil skeleton subassembly, 11: spring, 12: sleeve, 13: temperature sensor, 14: second seal ring, 15: a housing.
Detailed Description
The invention is further illustrated by the following specific examples:
a hydraulic electromagnetic valve with a temperature monitoring function comprises a pilot valve, an electromagnet assembly, a temperature sensor 13, a second sealing ring 14 and a shell 15; the shell 15 is provided with a pilot valve mounting cavity, a sensor mounting cavity, an oil inlet hole, a load hole and an oil return hole, wherein the oil inlet hole is communicated with the sensor mounting cavity;
the pilot valve comprises a first sealing ring 1, a filter screen component 2, a guide device 3, a steel ball 4, a push rod 5 and a valve body 6, wherein the inner hole of the first sealing ring 1 is conical and is in a flaring horn shape, the valve body 6 is in a T-shaped structure, the valve body 6 comprises a sealing section and an installation section, and the part of the sealing section, which is matched with the inner hole of the sealing ring 1, is conical; the valve body 6 is provided with a guide cavity and a push rod cavity along the axial direction, a load oil port is arranged between the guide cavity and the load, the load oil port is communicated with a shell load hole, an oil return port is arranged between the push rod cavity and oil return, the oil return port is communicated with the shell oil return hole, the guide cavity is positioned on the conical contraction side and is respectively used for installing the guide device 3 and the push rod 5, and a small hole is formed between the guide cavity and the push rod cavity for communication; the outer side of the guide cavity is provided with a step hole, the filter screen component 2 is installed, the guide device 3 is provided with an oil inlet hole and a guide hole which are communicated, a steel ball 4 is installed in the guide hole, and the inner side of the push rod 5 is provided with a bulge which can penetrate through a small hole between the guide cavity and the push rod cavity and push the steel ball 4, as shown in figure 1;
the taper of the inner holes of the first sealing ring 1 and the second sealing ring 14 is 5-8 degrees, and good sealing performance among the valve body 6, the temperature sensor 13 and the shell can be ensured.
The conicity of the sealing section of the valve body 6 and the sealing section of the temperature sensor 13 is 5-8 degrees, and good sealing performance among the valve body 6, the temperature sensor 13 and the shell can be ensured.
The outer surfaces of the two ends of the first sealing ring 1 are provided with annular grooves for transmitting and balancing internal stress without being torn when the sealing ring 1 and the valve body 6 are extruded and sealed.
The outer surface of the first sealing ring 1 perpendicular to the direction of the oil return hole and the direction of the oil inlet hole is provided with two rectangular grooves which are symmetrically distributed and used for uniformly distributing the stress of the sealing ring 1 in extrusion to the middle of the material.
Above-mentioned 6 seal segments of valve body and installation section junction are equipped with prevents turning round the groove, are waist shape, and parallel and seal segment axial are with the frock during assembly with the groove of preventing turning round of sealing ring 1 card income valve body 6, can prevent that sealing ring 1 from twisting round around the seal segment of valve body 6.
The protrusion of the push rod 5 is conical, the taper is 15-25 degrees, the diameter of a small hole between the guide cavity of the valve body 6 and the push rod cavity is reduced, and meanwhile, the structural strength of the root of the protrusion of the push rod 5 can be guaranteed.
The sealing ring is made of Torlon, so that the sealing effect and the structural strength can be guaranteed, and the weight of a product can be reduced.
The electromagnet assembly comprises a coil framework assembly 10, a coil 7, a sliding barrel 8, an armature 9, a spring 11 and a sleeve 12, wherein the coil framework assembly 10 is provided with an inner hole, a step hole, a threaded hole and a wire groove, the sliding barrel 8 is arranged in the inner hole of the coil framework assembly 10, the armature 9 is arranged in the sliding barrel 8, one side of the sliding barrel 8 is open, the other side of the sliding barrel is provided with an end face, the armature 9 can reciprocate in the sliding barrel 8 and can limit through the end face, and the sliding barrel 8 can reciprocate in the coil framework assembly 10; the stepped hole of the coil skeleton assembly 10 is used for installing the installation section of the valve body 6 and fixedly connected into a whole by welding, the coil 7 is installed in a wire slot of the coil skeleton assembly 10, a sleeve 12 is arranged outside the coil skeleton assembly 10, and the sleeve 12 and the coil skeleton assembly 10 are fixedly connected into a whole by welding; the step hole of the coil skeleton assembly 10 is used for installing the valve body 6, the valve body 6 and the valve body are fixedly connected through welding, and the welding structure can reduce the weight of a product.
According to the electromagnet assembly, the sliding barrel 8 is additionally arranged between the coil framework assembly 10 and the armature 9, a traditional sliding pair is changed into two sliding pairs, when the armature 9 is clamped in the sliding barrel 5, the sliding barrel 8 can still slide in the coil framework assembly 10, and when the sliding barrel 8 is clamped in the coil framework assembly 10, the armature 9 can still slide in the sliding barrel 8. Therefore, the probability of the armature 9 being blocked on the coil framework component 10 is greatly reduced, and the reliability of the product is improved; oil grooves which are axially communicated are formed in the circumferences of the outer surfaces of the armature 9 and the sliding cylinder 8, so that oil or air at two ends of the armature 9 and the sliding cylinder 8 can be communicated, and the free reciprocating motion of the armature 9 and the sliding cylinder 8 is ensured; the end part of the coil skeleton assembly 10 is provided with a center hole, and the center hole is arranged, so that the output force of a product is not influenced and the weight of the product can be reduced through simulation analysis; the bobbin assembly 10 is mounted on the housing 15 by screws.
The middle part of the outer surface of the second sealing ring 14 is provided with 4 rectangular grooves which are uniformly distributed and used for releasing partial extrusion stress.
The temperature sensor 13 is integrated in the coil skeleton assembly 10, so that the function of monitoring the oil temperature of a product is increased, and the installation error between the coil skeleton 10 and the shell 15 can be prevented.
In the invention, the valve body 6 and the shell 15 are sealed by the extrusion sealing ring 1, and the temperature sensor 13 and the shell 15 are sealed by the extrusion sealing ring I14, so that an oil inlet, a load port and an oil return port of the valve body 6 are sealed without additional sealing rings, the radial and axial sizes of the valve body 6 and the radial size of the temperature sensor 13 are greatly reduced, and the weight of a product is greatly reduced.
Claims (10)
1. The utility model provides a take hydraulic pressure solenoid valve of temperature monitoring function which characterized in that: the device comprises a pilot valve, an electromagnet assembly, a temperature sensor (13), a second sealing ring (14) and a shell (15); the shell (15) is provided with a pilot valve installation cavity, a sensor installation cavity, an oil inlet hole, a load hole and an oil return hole, wherein the oil inlet hole is communicated with the sensor installation cavity;
the pilot valve comprises a first sealing ring (1), a filter screen assembly (2), a guide device (3), a steel ball (4), a push rod (5) and a valve body (6), an inner hole of the first sealing ring (1) is conical and is in a flared horn shape, the valve body (6) is of a T-shaped structure, the valve body (6) comprises a sealing section and an installation section, the part, matched with the inner hole of the sealing ring (1), of the sealing section is conical, a guide cavity and a push rod cavity are axially arranged on the valve body (6), a load oil port is arranged between the guide cavity and a load and is communicated with the load hole of a shell, an oil return port is arranged between the push rod cavity and the oil return port and is communicated with the oil return hole of the shell, the guide cavity is located on the conical contraction side, the guide cavity is respectively used for installing the guide device (3) and the; the outer side of the guide cavity is provided with a step hole, the filter screen assembly (2) is installed, an oil inlet hole and a guide hole are formed in the guide device (3) and are communicated, a steel ball (4) is installed in the guide hole, and the inner side of the push rod (5) is provided with a bulge which can penetrate through a small hole between the guide cavity and the push rod cavity and push the steel ball (4);
the electromagnet assembly comprises a coil framework assembly (10), a coil (7), a sliding cylinder (8), an armature (9), a spring (11) and a sleeve (12), wherein the coil framework assembly (10) is provided with an inner hole, a step hole, a threaded hole and a wire groove, the sliding cylinder (8) is arranged in the inner hole of the coil framework assembly (10), the armature (9) is arranged in the sliding cylinder (8), one side of the sliding cylinder (8) is opened, the other side of the sliding cylinder is provided with an end face, the armature (9) can reciprocate in the sliding cylinder (8) and can limit through the end face, and the sliding cylinder (8) can reciprocate in the coil framework assembly (10); a step hole of the coil framework assembly (10) is used for installing an installation section of the valve body (6) and is fixedly connected into a whole by welding, the coil (7) is installed in a wire slot of the coil framework assembly (10), a sleeve (12) is arranged outside the coil framework assembly (10), and the sleeve (12) and the coil framework assembly (10) are fixedly connected into a whole by welding;
the temperature sensor (13) is provided with an installation section, a sealing section and a temperature measuring section, the installation section is matched with a threaded hole of the coil assembly, the part of the sealing section matched with the inner hole of the second sealing ring (14) is conical, and the temperature measuring section is installed in a temperature sensor installation cavity; the coil skeleton assembly (10) is mounted on the housing by screws.
2. The hydraulic solenoid valve with temperature monitoring function according to claim 1, characterized in that: the taper of the inner holes of the first sealing ring (1) and the second sealing ring (14) is 5-8 degrees.
3. The hydraulic solenoid valve with temperature monitoring function according to claim 1, characterized in that: the conicity of the sealing section of the valve body (6) and the sealing section of the temperature sensor (13) is 5-8 degrees.
4. The hydraulic solenoid valve with temperature monitoring function according to claim 1, characterized in that: annular grooves are formed in the outer surfaces of the two ends of the first sealing ring (1).
5. The hydraulic solenoid valve with temperature monitoring function according to claim 1, characterized in that: the outer surface of the first sealing ring (1) perpendicular to the direction of the oil return hole and the direction of the oil inlet hole is provided with two rectangular grooves.
6. The hydraulic solenoid valve with temperature monitoring function according to claim 1, characterized in that: the joint of the sealing section and the mounting section of the valve body (6) is provided with an anti-twisting groove which is waist-shaped and is parallel to the axial direction of the sealing section.
7. The hydraulic solenoid valve with temperature monitoring function according to claim 1, characterized in that: the protrusion of the push rod (5) is conical, and the taper is 15-25 degrees.
8. The hydraulic solenoid valve with temperature monitoring function according to claim 1, characterized in that: the seal ring material was Torlon.
9. The hydraulic solenoid valve with temperature monitoring function according to claim 1, characterized in that: the middle part of the outer surface of the second sealing ring (14) is provided with 4 rectangular grooves which are evenly distributed.
10. The hydraulic solenoid valve with temperature monitoring function according to claim 1, characterized in that: the circumferences of the outer surfaces of the armature iron (9) and the sliding cylinder (8) are provided with oil grooves which are axially communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711090593.5A CN108005977B (en) | 2017-11-08 | 2017-11-08 | Hydraulic electromagnetic valve with temperature monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711090593.5A CN108005977B (en) | 2017-11-08 | 2017-11-08 | Hydraulic electromagnetic valve with temperature monitoring function |
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| Publication Number | Publication Date |
|---|---|
| CN108005977A CN108005977A (en) | 2018-05-08 |
| CN108005977B true CN108005977B (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711090593.5A Active CN108005977B (en) | 2017-11-08 | 2017-11-08 | Hydraulic electromagnetic valve with temperature monitoring function |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894930B (en) * | 2020-08-13 | 2021-03-16 | 北京鸣天液压技术有限公司 | Electromagnetic bypass valve and using method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3535759B2 (en) * | 1999-02-05 | 2004-06-07 | コベルコ建機株式会社 | Hydraulic valve control device |
| JP3772982B2 (en) * | 2003-02-28 | 2006-05-10 | 住友建機製造株式会社 | Construction machine remote control valve hydraulic circuit |
| CN200946693Y (en) * | 2006-09-19 | 2007-09-12 | 宝山钢铁股份有限公司 | Hydraulic guide control water valve |
| CN200999772Y (en) * | 2007-04-30 | 2008-01-02 | 江苏鼎晟液压有限公司 | balance valve |
| CN103075522A (en) * | 2013-01-11 | 2013-05-01 | 新乡平原航空液压设备有限公司 | Drainage stop valve |
-
2017
- 2017-11-08 CN CN201711090593.5A patent/CN108005977B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3535759B2 (en) * | 1999-02-05 | 2004-06-07 | コベルコ建機株式会社 | Hydraulic valve control device |
| JP3772982B2 (en) * | 2003-02-28 | 2006-05-10 | 住友建機製造株式会社 | Construction machine remote control valve hydraulic circuit |
| CN200946693Y (en) * | 2006-09-19 | 2007-09-12 | 宝山钢铁股份有限公司 | Hydraulic guide control water valve |
| CN200999772Y (en) * | 2007-04-30 | 2008-01-02 | 江苏鼎晟液压有限公司 | balance valve |
| CN103075522A (en) * | 2013-01-11 | 2013-05-01 | 新乡平原航空液压设备有限公司 | Drainage stop valve |
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| CN108005977A (en) | 2018-05-08 |
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