Gear-shifting locking electromagnetic valve for vehicle

By improving the structure of the automotive shift lock solenoid valve and adopting a combination of shock-absorbing springs and damping grease, the problems of loud noise and strong vibration are solved, the noise reduction and vibration reduction performance of the solenoid valve are improved, customer comfort needs are met, and production efficiency and energy efficiency are improved.

CN223375064UActive Publication Date: 2025-09-23WUHAN TIANYUN AUTO ELECTRIC SYST CO LTD
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Patent Information

Application Number
CN202423174636.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-09-23
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

The existing vehicle shift lock solenoid valve has problems of loud noise and strong vibration during use.

Method used

The combined structure of coil frame, winding group, core rod, copper sleeve, magnetizing sleeve, shock-absorbing spring and bushing is adopted. The shock-absorbing spring is used to reduce noise and vibration, and damping grease is applied to the contact surface between the bushing and the core rod to further reduce noise.

Benefits of technology

The noise reduction and vibration reduction performance of the solenoid valve are improved to meet the customer's comfort needs, while improving production efficiency and the solenoid valve's small size and low energy consumption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of automotive electromagnetic valves, and discloses an automotive gear shifting locking electromagnetic valve which comprises a coil frame, a winding group is wound outside the coil frame, the coil frame comprises an I-shaped cylinder, a socket is integrally formed on one side of the rear end of the I-shaped cylinder, two terminal inserting pieces are arranged in the socket, and the two terminal inserting pieces are connected with the winding group. The coil frame is installed inside the shell, a cover plate is connected to the opening portion of the shell in a pressing and riveting mode, a core rod is arranged in the middle of the I-shaped barrel, and the two ends of the core rod penetrate out of the shell and the cover plate respectively. The production efficiency of products is greatly improved; the solenoid valve is small in size, limited in occupied cab space, low in power and low in energy consumption; the two sides of the action of the electromagnetic valve are limited by damping springs for reducing noise and vibration; a small amount of damping grease is coated at the contact surface matching part of the bushing and the core rod, so that the noise of the electromagnetic valve is reduced, and the comfort of gear shifting experience of customers is met.
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Description

Technical Field

[0001] The utility model relates to the technical field of vehicle solenoid valves, in particular to a vehicle shift lock solenoid valve. Background Art

[0002] The vehicle shift lock solenoid valve is installed and fixed in the cavity of the shift mechanism. It receives the signal from the TCU to lock or unlock the P gear to achieve the purpose of parking and driving the vehicle.

[0003] However, during use, users reported that the existing control valves had loud noises and strong vibrations. Therefore, technical personnel in this field are urgently needed to upgrade and optimize the relevant structures to address such issues and maintain the progress and advancement of the relevant technical fields. Utility Model Content

[0004] The purpose of the utility model is to provide a vehicle shift lock solenoid valve, aiming to solve the above technical problems existing in the existing technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The camshaft is connected to the outer cover of the casing by a threaded hole, and the camshaft is connected to the cover by a threaded hole, and the camshaft has two limit switches, which are used to connect the camshaft and the casing to form a circle.

[0007] In a preferred embodiment of the present invention, the two terminal plugs are mirror images of each other, the top of the terminal plug is bent downward to form a contact piece, the terminal plug is bent toward the front near the bottom to form a mounting wing, and the bottom of the terminal plug is bent toward the back to form a welding foot.

[0008] In a preferred embodiment of the present invention, both ends of the winding group are respectively welded to the welding legs of the two terminal inserts, and the two contact pieces are fitted with the contact ends of the automatic transmission control unit.

[0009] In a preferred embodiment of the present invention, a diode is generally welded between the two mounting wings.

[0010] In a preferred embodiment of the present invention, two terminal slots are provided side by side on the front of the pair of sockets, a through slot is provided on the back of the inner wall of the terminal slot, and an installation slot is provided in the front of the pair of sockets near the bottom of the terminal slot.

[0011] In a preferred embodiment of the present invention, the terminal insert is inserted into the corresponding terminal slot, the welding foot extends through the through slot to the socket, the mounting wing extends out of the front of the terminal slot, and the diode is located inside the mounting slot.

[0012] In a preferred embodiment of the present invention, damping grease is applied between the core rod and the bushing.

[0013] The beneficial effects of the utility model are:

[0014] The shift lock solenoid valve for this vehicle has a simple assembly process and is easy to operate. It can be operated simultaneously at multiple stations and conveniently establish a component inventory, greatly improving the efficiency of product production. The solenoid valve is small in size and occupies limited space in the cab, has low power and low energy consumption. Shock-absorbing springs are used to limit the movement on both sides of the solenoid valve to reduce noise and vibration. A small amount of damping grease is applied to the contact surface between the bushing and the core rod to reduce the noise of the solenoid valve, thereby satisfying the customer's comfortable shifting experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the three-dimensional explosion structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the full cross-sectional plan structure of the present utility model;

[0018] Figure 4 Schematic diagram of the three-dimensional structure of the coil frame;

[0019] Figure 5 It is a schematic diagram of the three-dimensional structure of the terminal plug.

[0020] Figure markings; among them: 1, bushing; 2, shell; 3, core rod; 301, shaft shoulder; 4, shock-absorbing spring; 5, coil frame; 501, I-shaped cylinder; 502, socket; 5021, terminal slot; 5022, through slot; 5023, mounting slot; 6, copper sleeve; 7, cover plate; 8, terminal insert; 801, contact piece; 802, welding foot; 803, mounting wing; 9, diode; 10, winding group; 11, magnetizing sleeve. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly introduced below in conjunction with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structures of the drawings is only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.

[0022] Example:

[0023] like Figure 1-5 As shown, this embodiment provides a vehicle shift lock solenoid valve, including a coil frame 5, a winding group 10 is wound around the outside of the coil frame 5, the coil frame 5 includes an I-shaped barrel 501, and a socket 502 is integrally formed on one side of the rear end of the I-shaped barrel 501. Two terminal plugs 8 are provided inside the socket 502. The coil frame 5 is installed inside the housing 2. A cover plate 7 is riveted to the opening of the housing 2. A core rod 3 is provided in the middle of the I-shaped barrel 501, and the two ends of the core rod 3 extend through the housing. 2 and cover plate 7, the outer sleeve of the core rod 3 is provided with a copper sleeve 6, one end of the outer side of the copper sleeve 6 is pressed with a magnetizing sleeve 11, the copper sleeve 6 and the magnetizing sleeve 11 are pressed together in the middle of the I-shaped cylinder 501, the core rod 3 is provided with a shoulder 301 near the middle, the outer side of the core rod 3 and the shock-absorbing springs 4 are sleeved on both sides of the core rod 3, the middle of the outer shell 2 and the cover plate 7 are fixedly connected with a bushing 1, the bushing 1 is sleeved on the outer side of the core rod 3, and the shock-absorbing spring 4 is in contact between the bushing 1 and the shoulder 301.

[0024] Specifically, as shown in the figure, the shift lock solenoid valve for this vehicle is installed and fixed in the cavity of the shift mechanism. The contact piece 801 of the terminal plug 8 contacts the transmission control unit and receives the signal from the TCU to lock or unlock the P gear to achieve the purpose of parking and driving the vehicle.

[0025] Assembly of the shift lock solenoid valve for this vehicle: assemble the magnetizing sleeve 11, the left and right terminal plugs 8, and the diode 9 with the coil frame 5 to form the coil frame 5 assembly; assemble the enameled wire winding set 10 and the coil frame 5 assembly to form the coil sub-assembly; assemble the core rod 3 and the two shock-absorbing springs 4 to form the core rod sub-assembly; assemble the housing 2, the coil sub-assembly, the core rod sub-assembly, the cover plate 7, and the bushing 1 to form the finished solenoid valve;

[0026] The assembly process of the vehicle shift lock solenoid valve is simple and easy to operate. It can be operated simultaneously at multiple stations and conveniently establish a component inventory, which greatly improves the efficiency of product production; the solenoid valve is small in size and occupies limited space in the cab, has low power and low energy consumption; the solenoid valve action is limited on both sides by two sets of shock-absorbing springs 4 placed on both sides of the shaft shoulder 3, and the front shock-absorbing spring 4 is used to control the extension position of the core rod and buffer the shock absorption effect, and the rear shock-absorbing spring 4 plays a role of shock absorption and limiting, thereby greatly improving the noise reduction and vibration reduction performance of the solenoid valve; a small amount of damping grease is applied at the contact surface between the bushing 1 and the core rod 3 to reduce the noise of the solenoid valve, thereby meeting the comfort of the customer's shifting experience.

[0027] In a preferred embodiment of the present invention, further, the two terminal plugs 8 are mirror images of each other, the top of the terminal plug 8 is bent downward to form a contact piece 801, the terminal plug 8 is bent toward the front near the bottom to form a mounting wing 803, and the bottom of the terminal plug 8 is bent toward the back to form a welding foot 802.

[0028] In a preferred embodiment of the present invention, further, both ends of the winding group 10 are welded to the welding legs 802 of the two terminal plugs 8 respectively, and the two contact pieces 801 are fitted to the contact ends of the automatic transmission control unit.

[0029] In a preferred embodiment of the present invention, further, a diode 9 is generally welded between the two mounting wings 803. By providing the diode 9, the solenoid valve is made safer and more reliable during use.

[0030] In a preferred embodiment of the present invention, further, two terminal slots 5021 are opened side by side on the front of the socket 502, a through slot 5022 is opened on the back of the inner wall of the terminal slot 5021, and an installation slot 5023 is opened on the front of the socket 502 near the bottom of the terminal slot 5021.

[0031] In a preferred embodiment of the present invention, further, the terminal plug 8 is inserted into the corresponding terminal slot 5021, the welding foot 802 extends through the through slot 5022 to the socket 502, the mounting wing 803 extends out of the front of the terminal slot 5021, and the diode 9 is inside the mounting slot 5023.

[0032] In a preferred embodiment of the present invention, damping grease is further applied between the core rod 3 and the bushing 1 .

[0033] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A vehicle shift lock solenoid valve, comprising a coil frame (5), the outside of which is wound with a winding group (10), characterized in that: The coil frame (5) comprises an I-shaped cylinder (501), a socket (502) is integrally formed on one side of the rear end of the I-shaped cylinder (501), two terminal plugs (8) are arranged inside the socket (502), the coil frame (5) is installed inside the shell (2), a cover plate (7) is riveted to the opening of the shell (2), a core rod (3) is arranged in the middle of the I-shaped cylinder (501), two ends of the core rod (3) pass through the shell (2) and the cover plate (7), the outside of the core rod (3) is sleeved with a copper sleeve (6), and the copper sleeve (6) is provided on the outside of the core rod (3). ) is pressed onto one end of the outer portion of the magnetic sleeve (11), the copper sleeve (6) and the magnetic sleeve (11) are pressed onto the middle of the I-shaped cylinder (501), a shoulder (301) is provided near the middle of the core rod (3), a shock-absorbing spring (4) is sleeved on the outer portion of the core rod (3) and on both sides of the core rod (3), the middle portion of the outer shell (2) and the cover plate (7) are fixedly connected with a bushing (1), the bushing (1) is sleeved onto the outer portion of the core rod (3), and the shock-absorbing spring (4) is in contact between the bushing (1) and the shoulder (301).

2. The vehicle shift lock solenoid valve according to claim 1, characterized in that: The two terminal plugs (8) are mirror images of each other, the top of the terminal plug (8) is bent downward to form a contact piece (801), the terminal plug (8) is bent toward the front near the bottom to form a mounting wing (803), and the bottom of the terminal plug (8) is bent toward the back to form a welding foot (802).

3. The vehicle shift lock solenoid valve according to claim 2, characterized in that: The two ends of the winding group (10) are respectively welded to the welding legs (802) of the two terminal plugs (8), and the two contact pieces (801) are fitted to the contact ends of the automatic transmission control unit.

4. The vehicle shift lock solenoid valve according to claim 3, characterized in that: A diode (9) is generally welded between the two mounting wings (803).

5. The vehicle shift lock solenoid valve according to claim 4, characterized in that: The front of the socket (502) is provided with two terminal slots (5021) arranged side by side, the back of the inner wall of the terminal slot (5021) is provided with a through slot (5022), and the front of the socket (502) is provided with a mounting slot (5023) near the bottom of the terminal slot (5021).

6. The vehicle shift lock solenoid valve according to claim 5, characterized in that: The terminal insert (8) is inserted into the corresponding terminal slot (5021), the welding foot (802) passes through the through slot (5022) and extends out of the socket (502), the mounting wing (803) extends out of the front of the terminal slot (5021), and the diode (9) is located inside the mounting slot (5023).

7. The vehicle shift lock solenoid valve according to claim 1, characterized in that: Damping grease is applied between the core rod (3) and the bushing (1).