CN219198290U

CN219198290U - Cooling switch solenoid valve

Info

Publication number: CN219198290U
Application number: CN202320218887.6U
Authority: CN
Inventors: 张海峰; 孙国泰
Original assignee: Hubei Waterwei Automotive Electronics Co ltd
Current assignee: Hubei Waterwei Automotive Electronics Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-06-16
Anticipated expiration: 2033-02-15

Abstract

The utility model relates to the technical field of electromagnetic valves, in particular to a cooling switch electromagnetic valve which comprises a static iron core, a return spring, a magnetism isolating pipe, a movable iron core, a valve core, a coil plastic-coated assembly, a shell, a valve body seat and an end seat, wherein the shell is arranged on the valve body seat; one end of the valve core is provided with four one-way valve structures, each one-way valve structure comprises a steel ball and one-way valve springs, a through hole is formed in the middle of the valve core, the valve core is sealed through the steel ball, the one-way valve springs are arranged at the lower part of the steel ball, and the bottom ends of the one-way valve springs are fixed on the end seats. In this cooling switch solenoid valve, this check valve structure is another set of standby system after the solenoid valve system became invalid, and is integrated inside the solenoid valve, and this check valve structure is under the effect circumstances of not influencing the solenoid valve itself, makes whole system safer and more reliable, and this structural design is very ingenious, does not influence the whole overall arrangement structure of product, has solved the unusual problem of solenoid valve system of becoming invalid.

Description

Cooling switch solenoid valve

Technical Field

The utility model relates to the technical field of electromagnetic valves, in particular to a cooling switch electromagnetic valve.

Background

In an automotive transmission cooling control system, when a system temperature sensor detects that the temperature of a system component/pipeline is high, the system component needs to be cooled. When the electromagnetic valve is controlled to be opened, the cooling liquid in the oil cooler is introduced to enter the gearbox system through the electromagnetic valve, and the temperature of parts in the gearbox system is reduced through the circulation effect of the cooling liquid, so that the temperature is controlled in a reasonable range, and the normal operation of the system function is ensured.

In the related art, a traditional electromagnetic valve consists of a shell, a filter screen, a coil, a movable iron core, a static iron core, a spring and a valve core. After entering the oil inlet hole of the electromagnetic valve, the cooling liquid passes through the filter screen at the oil inlet hole, reaches the valve core from the internal oil path of the electromagnetic valve, and flows out through the outlet.

The prior art has at least the following problems: the solenoid valve has the risk of jamming under operating condition, causes the product inefficacy. Or under the condition that the product coil is electrified, the valve core is not opened, and the cooling liquid of the system cannot pass through the electromagnetic valve, so that the cooling system of the gearbox is in failure, and the vehicle is in failure.

Disclosure of Invention

The utility model aims to provide a cooling switch electromagnetic valve so as to solve the problem that the electromagnetic valve provided in the background art has a jamming risk in a working state, so that a product is invalid. Or under the condition that the product coil is electrified, the valve core is not opened, and the cooling liquid of the system cannot pass through the electromagnetic valve, so that the cooling system of the gearbox is in failure, and the problem of vehicle faults is caused.

In order to achieve the above purpose, the utility model provides a cooling switch electromagnetic valve, which comprises a static iron core, a return spring, a magnetism isolating pipe, a movable iron core and a valve core, and is characterized in that: and also comprises

The coil plastic-coated assembly is used for connecting the electrical interface and providing electromagnetic force for the inside of the electromagnetic valve when the electrical interface is electrified;

the shell is exposed on the surface of the gearbox and is used for protecting the outer part of the electromagnetic valve;

the valve body seat is inserted into the gearbox body for installation and is connected with a system cooling oil way;

the end seat is used for fixing and mounting and limiting parts in the electromagnetic valve, and the end part of the end seat is provided with a filter hole, so that foreign matters in an oil way of the cooling system can be prevented from reversely entering the electromagnetic valve;

one end of the valve core is provided with four one-way valve structures, each one-way valve structure comprises a steel ball and one-way valve springs, a through hole is formed in the middle of the valve core, the valve core is sealed through the steel ball, the one-way valve springs are arranged at the lower part of the steel ball, and the bottom ends of the one-way valve springs are fixed on the end seat.

Preferably, an electric plug connector is arranged on the outer wall of the end head of the coil plastic-coated assembly, and a mechanical bolt mounting hole is formed in the outer portion of the shell.

Preferably, an oil inlet is formed in one side of the valve body seat, and an oil outlet is formed in the bottom end of the valve body seat.

Preferably, the valve body seat is provided with a sealing ring, the sealing ring comprises a large sealing ring and a small sealing ring, the sealing rings are respectively arranged at two ends of the valve body seat, and the electromagnetic valve is prevented from leaking in and out of the system.

Preferably, a filter screen is installed on the outer side of the valve body seat to prevent foreign matters and impurities in the system from entering the electromagnetic valve.

Preferably, the shell is arranged on the outer side of the coil plastic-covered assembly and the valve body seat.

Preferably, annular grooves are formed in the upper end and the lower end of the valve body seat and used for installing sealing rings.

Compared with the prior art, the utility model has the beneficial effects that:

1. in this cooling switch solenoid valve, this check valve structure is another set of standby system after the solenoid valve system became invalid, and is integrated inside the solenoid valve, and this check valve structure is under the effect circumstances of not influencing the solenoid valve itself, makes whole system safer and more reliable, and this structural design is very ingenious, does not influence the whole overall arrangement structure of product, has solved the unusual problem of solenoid valve system of becoming invalid.

2. In the cooling switch electromagnetic valve, the overall flow of the cooling switch electromagnetic valve is ensured to be basically consistent with the flow at the valve core through 4 check valve system structures, and after the valve core system of the electromagnetic valve fails, the flow of the check valve structure is equivalent to the flow of the valve core, so that the system is ensured to be consistent with the state without failure. The risk of one-way valve structure failure is low, the flow rate of the one-way valve structure failure is reduced, but the system cooling liquid can still pass through other one-way valve structures, so that the reliability of a gearbox cooling system is very high, the system is abnormal in function after the conventional electromagnetic valve fails, the electromagnetic valve needs to be replaced, and the service life of the electromagnetic valve provided by the implementation of the application in the system is equal to the service life of the whole vehicle, so that the normal use of the electromagnetic valve is ensured.

Drawings

FIG. 1 is a schematic view of the internal structure of the present utility model;

FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 3 is a schematic diagram of the oil inlet and outlet of the present utility model;

fig. 4 is a schematic view of the installation of the present utility model.

The meaning of each reference sign in the figure is:

1. coil plastic-coated assembly; 101. an electrical connector; 2. a housing; 21. a mechanical bolt mounting hole; 3. a stationary core; 4. a return spring; 5. a magnetism isolating pipe; 6. a valve body seat; 7. a movable iron core; 8. a filter screen; 9. a valve core; 10. a steel ball; 11. a check valve spring; 12. an end seat; 13. a large seal ring; 14. and a small sealing ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a cooling switch electromagnetic valve, as shown in figure 1-figure 4, including static iron core 3, return spring 4, magnetism isolating tube 5, moving iron core 7, valve core 9, are all normal parts of electromagnetic valve, produce the magnetic field when the coil is energized, moving iron core 7 overcomes the elasticity of return spring 4 to move to static iron core 3 under the force of magnetic field, the valve port opens, when the outage, the electromagnetic force disappears, moving iron core 7 moves downward under the effort of return spring 4, close the valve port, this principle is the ordinary electromagnetic valve principle, the apparatus also includes

The coil plastic-coated assembly 1 is used for connecting an electrical interface and providing electromagnetic force for the interior of the electromagnetic valve when the electrical interface is electrified;

a housing 2 exposed on the surface of the gearbox for protecting the external part of the solenoid valve;

the valve body seat 6 is used for inserting the electromagnetic valve into the gearbox body for installation and accessing a cooling oil way of the system;

the end seat 12 is used for fixing and mounting the internal parts of the electromagnetic valve, and the end part of the end seat is provided with a filter hole so as to prevent foreign matters in an oil way of the cooling system from reversely entering the electromagnetic valve;

the valve core 9 is provided with four check valve structures at one end, the check valve structures comprise a steel ball 10 and a check valve spring 11, through holes are formed in the middle of the valve core 9, the check valve spring 11 is mounted at the lower part of the steel ball 10 in a sealing mode through the steel ball 10, the bottom end of the check valve spring 11 is fixed on an end seat 12, in a conventional state, the steel ball 10 closes a valve port under the action of the check valve spring 11, the function of an electromagnetic valve is not affected, after the electromagnetic valve fails, the valve core 9 can not be opened, the system pressure can be increased, at the moment, the system pressure can overcome the elasticity of the check valve spring 11, the check valve structure is opened, and cooling liquid can flow into an outlet through the check valve port, so that the normal system function is ensured, in other set of standby system after the electromagnetic valve system fails, in other set of standby system is integrated inside the electromagnetic valve. The one-way valve structure enables the whole system to be safer and more reliable under the condition that the effect of the electromagnetic valve is not affected, the structural design is very ingenious, the whole layout structure of the product is not affected, and the problem that the electromagnetic valve failure system is abnormal is solved.

In this embodiment, the electrical connector 101 is mounted on the outer wall of the end of the coil plastic-covered assembly 1, and the mechanical bolt mounting hole 21 is provided on the outside of the housing 2 for mounting and fixing the electromagnetic valve.

Specifically, one side of the valve body seat 6 is provided with an oil inlet for oil inlet, and the bottom end of the valve body seat 6 is provided with an oil outlet for oil outlet.

Further, the valve body seat 6 is provided with a sealing ring, the sealing ring comprises a large sealing ring 13 and a small sealing ring 14, the large sealing ring and the small sealing ring are respectively arranged at two ends of the valve body seat 6, and the electromagnetic valve is prevented from leaking in and out of the system.

Further, a filter screen 8 is installed on the outer side of the valve body seat 6 to prevent foreign matters and impurities in the system from entering the electromagnetic valve.

Further, the outer shell 2 is installed on the outer side of the coil plastic package assembly 1 and the valve body seat 6, and is used for protecting the outer sides of the coil plastic package assembly 1 and the valve body seat 6.

Further, annular grooves are formed in the upper end and the lower end of the valve body seat 6 and used for installing sealing rings.

When the cooling switch electromagnetic valve is used, the electromagnetic valve is assembled in a cooling system oil way of the gearbox, when the electromagnetic valve is electrified, the valve core 9 is opened, and system cooling liquid passes through the electromagnetic valve; when the electromagnetic valve is powered off, the valve core 9 is in relation, and the system cooling liquid cannot pass through the electromagnetic valve;

when the solenoid valve fails, the solenoid valve is equivalent to power-off or not powered on, the valve core 9 is closed, and at the moment, in order to ensure the operation of the cooling system, the solenoid valve is required to be opened, the cooling liquid passes through the solenoid valve, the system pressure can rise under the action of the oil pump, the check valve structure of the solenoid valve is opened, the cooling liquid passes through the check valve oil way at the valve core 9 of the solenoid valve, and the flow of the cooling liquid is consistent with the flow of the opening at the valve core 9, so that the normal operation of the cooling system of the system is ensured.

Finally, it should be noted that, the electronic components in the embodiment are all universal standard components or components known by those skilled in the art, the structure and principle thereof are all known by those skilled in the art through technical manuals or by conventional experimental methods, all the electrical components are connected by wires at the idle position of the device, and the specific connection means should refer to the sequential working order among the electrical components in the working principle to complete the electrical connection, which is known in the art.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a cooling switch solenoid valve, includes quiet iron core (3), return spring (4), separates magnetic pipe (5), moves iron core (7), case (9), its characterized in that: and also comprises

The coil plastic-coated assembly (1) is used for connecting the electrical interface and providing electromagnetic force for the inside of the electromagnetic valve when the electrical interface is electrified;

a housing (2) exposed on the surface of the gearbox for protecting the external part of the solenoid valve;

the valve body seat (6) is inserted into the gearbox body for installation and is connected with a system cooling oil way;

the end seat (12) is used for fixing and mounting and limiting parts in the electromagnetic valve, and a filter hole is arranged at the end part of the end seat, so that foreign matters in an oil way of the cooling system can be prevented from reversely entering the electromagnetic valve;

one end of the valve core (9) is provided with four one-way valve structures, each one-way valve structure comprises a steel ball (10) and a one-way valve spring (11), a through hole is formed in the middle of the valve core (9), the valve core is sealed through the steel ball (10), the one-way valve spring (11) is arranged at the lower portion of the steel ball (10), and the bottom end of the one-way valve spring (11) is fixed to the end seat (12).

2. The cooling switching solenoid valve according to claim 1, wherein: an electric plug connector (101) is arranged on the outer wall of the end head of the coil plastic-coated assembly (1), and a mechanical bolt mounting hole (21) is formed in the outer portion of the shell (2).

3. The cooling switching solenoid valve according to claim 1, wherein: an oil inlet is formed in one side of the valve body seat (6), and an oil outlet is formed in the bottom end of the valve body seat (6).

4. The cooling switching solenoid valve according to claim 1, wherein: the valve body seat (6) is provided with a sealing ring, the sealing ring comprises a large sealing ring (13) and a small sealing ring (14), the sealing rings are respectively arranged at two ends of the valve body seat (6), and electromagnetic valves are prevented from leaking in and out of the system.

5. The cooling switching solenoid valve according to claim 1, wherein: a filter screen (8) is arranged on the outer side of the valve body seat (6) to prevent foreign matters and impurities in the system from entering the electromagnetic valve.

6. The cooling switching solenoid valve according to claim 1, wherein: the shell (2) is arranged on the outer sides of the coil plastic-covered assembly (1) and the valve body seat (6).

7. The cooling switching solenoid valve according to claim 4, wherein: annular grooves are formed in the upper end and the lower end of the valve body seat (6) and used for installing sealing rings.