Gear shifting unlocking electromagnetic valve for vehicle

Abstract

The utility model belongs to the technical field of solenoid valves for vehicles, and discloses a shift unlocking solenoid valve for vehicles, which comprises a pull rod subassembly, a coil subassembly and a shell subassembly, the coil subassembly comprises a coil rack, an enameled coil is wound outside the coil rack, a baffle is integrally formed at the top of the front end of the coil rack, and the shell subassembly comprises a pull rod subassembly and a shell subassembly. Two slots are formed in the top of the front end of the coil rack and located behind the baffle, pins are inserted into the slots, the top of the coil rack is connected with a wiring shell in a buckled mode, one end of each pin is inserted into the wiring shell, and the baffle blocks an opening in the front end of the wiring shell. The lightweight requirement of an automobile is met; limiting parts on the two sides of the action of the electromagnetic valve are made of rubber materials and used for reducing noise and vibration, and a small amount of liquid oil is coated at the contact face matching position of the copper pipe and the movable iron core so that noise of the electromagnetic valve can be reduced. And the port standardized connector is butted, so that the modeling production is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic valve for vehicle, concretely relates to a shift unlocking electromagnetic valve for vehicle. BACKGROUND

[0002] Install in the cavity of shift mechanism and fix, wire harness end connects transmission control unit, through accepting the voltage signal of TCU executes the function of locking or unlocking P shift, but the existing electromagnetic valve can produce not small structural noise when running, and the structure is relatively complex, which is not conducive to the production demand of automation and modularization, therefore, the technical personnel in the field are in urgent need of upgrading and optimizing the related structure for such problems to maintain the progressiveness and advanced nature of the related technical field. SUMMARY

[0003] The utility model aims at providing a shift unlocking electromagnetic valve for vehicle, which aims at solving the above technical problems existing in the prior art.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A shift unlocking electromagnetic valve for vehicle, comprising a pull rod subassembly, a coil subassembly and a shell subassembly, the coil subassembly comprises a coil holder, the outside of the coil holder is wound with an enameled coil, the front end top of the coil holder is integrally formed with a baffle, the top of the front end of the coil holder and behind the baffle are provided with two insertion slots, the insertion slots are inserted with insertion pins, the top of the coil holder is buckled with a wiring shell, one end of the insertion pin is inserted into the inside of the wiring shell, and the baffle is blocked at the front end opening of the wiring shell.

[0006] The shell subassembly is fixedly installed outside the coil subassembly, the tail of the pull rod subassembly is movably connected to the middle part of the coil holder, a damping and noise reduction structure is arranged between the rear end of the inner wall of the shell subassembly and the rear end of the pull rod subassembly, and the damping and noise reduction structure is inside the coil holder.

[0007] In a preferred embodiment of the utility model, the shell subassembly comprises a cover plate and a yoke, the cover plate is arranged at the front end of the coil holder, the yoke is covered outside the rear end of the coil holder, and the cover plate is rivet connected to the front end opening of the yoke.

[0008] In a preferred embodiment of the utility model, the pull rod subassembly comprises a moving iron core and an operating rod, the front end of the moving iron core is provided with a T-shaped head, the tail of the operating rod is provided with a T-shaped slot, the T-shaped head is hung in the T-shaped slot, a buffer spring is sleeved outside the moving iron core, and the two ends of the buffer spring are respectively in contact between the cover plate and the operating rod.

[0009] In a preferred embodiment of the utility model, the damping and noise reduction structure includes damper and fixed iron core, one end of fixed iron core is fixedly installed in the middle of cover plate and is initially in the inside of coil holder, the rear end of movable iron core is provided with installation slot, the damper is fixedly installed in the inside of installation slot, the damper coincides with the central axis of fixed iron core.

[0010] In a preferred embodiment of the utility model, the middle portion of coil holder is press-fitted with copper pipe, the movable iron core is movably connected in the inside of copper pipe, and the fixed iron core is at the tail end in the inside of copper pipe.

[0011] In a preferred embodiment of the utility model, the left and right sides of the top of wiring shell are provided with clamping grooves, the bottom of the tail end of wiring shell is provided with a plurality of clamping holes along the width direction, the left and right sides of baffle and corresponding the clamping grooves are provided with clamping edges, the top of the tail end of coil holder is provided with clamping blocks corresponding to each clamping hole, each clamping block is clamped with corresponding clamping hole, and the clamping edges are inserted into the clamping grooves.

[0012] In a preferred embodiment of the utility model, the front end of operating rod is provided with mounting hole, and the inside of mounting hole is provided with buffer ring.

[0013] The utility model has the advantages of small volume, small space occupation, small mass, meeting the light weight requirement of automobile, rubber material for limiting the action of both sides of the electromagnetic valve, reducing noise and vibration, a small amount of liquid oil is coated on the contact surface of copper pipe and movable iron core to reduce the noise of electromagnetic valve, fast response speed, comfortable experience of customer gear shifting, and standardized connector for port connection, facilitating the production of model.

[0014] The utility model discloses an electromagnetic valve, which has the advantages of small volume, small space occupation, small mass, meeting the light weight requirement of automobile, rubber material for limiting the action of both sides of the electromagnetic valve, reducing noise and vibration, a small amount of liquid oil is coated on the contact surface of copper pipe and movable iron core to reduce the noise of electromagnetic valve, fast response speed, comfortable experience of customer gear shifting, and standardized connector for port connection, facilitating the production of model. ACCURACY OF DRAWINGS

[0015] Fig. 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0016] Fig. 2 It is the three-dimensional explosion structure schematic diagram of the utility model;

[0017] Fig. 3 It is the whole section plane structure schematic diagram of the utility model;

[0018] Fig. 4 It is the three-dimensional structure schematic diagram of coil holder;

[0019] Fig. 5 It is the three-dimensional structure schematic diagram of wiring shell;

[0020] Fig. 6 It is the three-dimensional structure schematic diagram of operating rod.

[0021] Reference numerals are shown in the attached diagram; where: 1. Pull rod sub-assembly; 11. Operating lever; 111. T-slot; 112. Mounting hole; 12. Buffer ring; 13. Moving iron core; 131. T-head; 132. Mounting groove; 14. Buffer spring; 2. Coil sub-assembly; 21. Wiring housing; 211. Locking hole; 212. Locking groove; 22. Pin; 23. Coil frame; 231. Locking edge; 232. Baffle; 233. Locking block; 234. Slot; 24. Enamelled coil; 25. Copper tube; 3. Outer shell sub-assembly; 31. Cover plate; 32. Yoke; 4. Damper; 5. Fixed iron core. Detailed Implementation

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the present utility model will be briefly introduced below in conjunction with the accompanying drawings and descriptions of the embodiments or the prior art. Obviously, the following description of the structure of the accompanying drawings is only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. It should be noted that the description of these embodiments is used to help understand this utility model, but does not constitute a limitation on this utility model.

[0023] Example:

[0024] like Figs. 1-6 As shown, this embodiment provides a vehicle shift unlocking solenoid valve, including a lever sub-assembly 1, a coil sub-assembly 2, and a housing sub-assembly 3. The coil sub-assembly 2 includes a coil frame 23, with an enameled coil 24 wound around the outside of the coil frame 23. A baffle 232 is integrally formed on the top front end of the coil frame 23. Two slots 234 are provided on the top front end of the coil frame 23 and behind the baffle 232. A pin 22 is inserted into the inside of the slots 234. A wiring housing 21 is snapped to the top of the coil frame 23. One end of the pin 22 is inserted into the wiring housing 21. The baffle 232 seals the front opening of the wiring housing 21.

[0025] The outer casing assembly 3 is fixedly installed on the outside of the coil assembly 2. The tail of the pull rod assembly 1 is movably connected to the middle of the coil frame 23. A shock-absorbing and noise-reducing structure is provided between the rear end of the inner wall of the outer casing assembly 3 and the rear end of the pull rod assembly 1. The shock-absorbing and noise-reducing structure is located inside the coil frame 23.

[0026] In a preferred embodiment of the present invention, the outer shell assembly 3 further includes a cover plate 31 and a yoke 32. The cover plate 31 is disposed at the front end of the coil frame 23, and the yoke 32 is covered by the rear end of the coil frame 23. The cover plate 31 is riveted to the front end opening of the yoke 32.

[0027] In a preferred embodiment of the utility model, further, the pull rod subassembly 1 includes the moving iron core 13 and the operating rod 11, the front end of moving iron core 13 is provided with T-shaped head, the tail of operating rod 11 is provided with T-shaped slot, T-shaped head is hung in T-shaped slot, the outside of moving iron core 13 is provided with buffer spring 14, the both ends of buffer spring 14 respectively abut between cover plate 31 and operating rod 11.

[0028] Specifically, as shown in Figs. 1-3 The car gear shifting unlocking electromagnetic valve is installed in the cavity of the gear shifting mechanism for fixation, the wire harness end is connected with the transmission control unit, and the function of locking or unlocking P gear is executed by accepting the voltage signal of TCU.

[0029] Its assembly process mainly includes the following steps:

[0030] 1, with riveting, coil holder 23, pin 22 are assembled into coil holder 23 subassembly;

[0031] 2, with winding, coil holder 23 subassembly, enameled wire are assembled into coil assembly;

[0032] 3, with assembly, coil assembly, wiring shell 21 are assembled into coil subassembly 2;

[0033] 4, with riveting, static iron core, yoke 32 are assembled into yoke 32 subassembly;

[0034] 5, with assembly, buffer ring, operating rod 11, moving iron core 13, spring, damper 4 are assembled into pull rod subassembly 1;

[0035] 6 with riveting, cover plate 31, copper pipe 25, coil subassembly 2, yoke 32 subassembly are assembled into valve body subassembly;

[0036] Assembly: valve body subassembly, pull rod subassembly 1 are assembled into electromagnetic valve;

[0037] The above structure is set to make the electromagnetic valve have small volume, small space occupation in cab, small mass, meet the requirements of automobile light weight; the rubber material is used for the limit of the two sides of the action of the electromagnetic valve, to reduce noise and vibration, a small amount of liquid oil is coated on the contact surface of copper pipe 25 and moving iron core 13, so that the noise of electromagnetic valve is smaller, the response speed is fast, and the comfort of customer gear shifting experience is met; the standardized connector is used for port docking, which is convenient for modular production.

[0038] In a preferred embodiment of the utility model, further, the damping and noise reduction structure includes damper 4 and fixed iron core 5, one end of fixed iron core 5 is fixedly installed in the middle of cover plate 31 and is initially in the inside of coil holder 23, the rear end of moving iron core 13 is provided with mounting groove 132, damper 4 is fixedly installed in the inside of mounting groove 132, the center axis of damper 4 and fixed iron core 5 coincides, through the impact of damper 4 when moving iron core 13 retracts and the end of fixed iron core 5, through the characteristic of its rubber material, the structural noise when solenoid operates is reduced through elastic deformation.

[0039] In a preferred embodiment of the utility model, further, the middle part of coil holder 23 is press-fitted with copper pipe 25, moving iron core 13 is movably connected in the inside of copper pipe 25, and fixed iron core 5 is at the tail end in the inside of copper pipe 25.

[0040] In a preferred embodiment of the utility model, further, the left and right sides of the top of wiring shell 21 are provided with clamping grooves 212, a plurality of clamping holes 211 are spaced apart in the width direction at the bottom of the tail end of wiring shell 21, clamping edges 231 are arranged at the left and right sides of baffle 232 and correspond to clamping grooves 212, clamping blocks 233 are arranged at the top of the tail end of coil holder 23 and correspond to each clamping hole 211, each clamping block 233 is buckled with the corresponding clamping hole 211, clamping edge 231 is inserted into the inside of clamping groove 212, through the buckling connection mode, the solenoid valve is easy to assemble and disassemble in the production process, thereby effectively improving the production efficiency of the product in the assembly process.

[0041] In a preferred embodiment of the utility model, further, mounting hole 112 is formed in the front end of operating rod 11, and buffer ring 12 is arranged in the inside of mounting hole 112, buffer ring 12 is arranged at the front end of operating rod 11 to buffer the noise and friction generated when the solenoid valve and other structural members of the vehicle are connected and moved, thereby improving the noise of the solenoid valve as a whole and prolonging the service life of components.

[0042] Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not used to limit the protection scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A solenoid valve for gear shift lock release for vehicles, comprising a pull rod sub-assembly (1), a coil sub-assembly (2) and a housing sub-assembly (3), characterized in that, The coil subassembly (2) comprises a coil holder (23), the outer part of the coil holder (23) is wound with an enameled coil (24), the front end top of the coil holder (23) is integrally formed with a baffle (232), the top of the front end of the coil holder (23) and behind the baffle (232) is provided with two insertion slots (234), the inner part of the insertion slot (234) is inserted with an insertion pin (22), the top of the coil holder (23) is buckle connected with a wiring shell (21), one end of the insertion pin (22) is inserted into the inner part of the wiring shell (21), the baffle (232) is blocked at the front end opening of the wiring shell (21). The outer part of the shell subassembly (3) is fixedly installed on the coil subassembly (2), the tail part of the pull rod subassembly (1) is movably connected to the middle part of the coil holder (23), the inner wall rear end of the shell subassembly (3) and the rear end of the pull rod subassembly (1) are provided with a damping and noise reduction structure, and the damping and noise reduction structure is inside the coil holder (23).

2. The shift-unlock solenoid for a vehicle according to claim 1, characterized by, The shell subassembly (3) comprises a cover plate (31) and a yoke (32), the cover plate (31) is arranged at the front end of the coil holder (23), the yoke (32) is covered outside the rear end of the coil holder (23), and the cover plate (31) is press riveted at the front end opening of the yoke (32).

3. The shift-unlock solenoid for a vehicle according to claim 2, characterized by, The pull rod subassembly (1) comprises a movable iron core (13) and an operating rod (11), the front end of the movable iron core (13) is provided with a T-shaped head, the tail part of the operating rod (11) is provided with a T-shaped slot, the T-shaped head is hung inside the T-shaped slot, the outer part of the movable iron core (13) is sleeved with a buffer spring (14), and the two ends of the buffer spring (14) respectively abut against the cover plate (31) and the operating rod (11).

4. The shift-unlock solenoid for a vehicle according to claim 3, characterized by, The damping and noise reduction structure comprises a damper (4) and a fixed iron core (5), one end of the fixed iron core (5) is fixedly installed at the middle part of the cover plate (31) and inside the coil holder (23), the rear end of the movable iron core (13) is provided with a mounting slot (132), the damper (4) is fixedly installed inside the mounting slot (132), and the center axis of the damper (4) coincides with that of the fixed iron core (5).

5. The shift-unlock solenoid for a vehicle according to claim 4, characterized by, The middle part of the coil holder (23) is press fitted with a copper pipe (25), the movable iron core (13) is movably connected inside the copper pipe (25), and the fixed iron core (5) is at the tail end inside the copper pipe (25).

6. The shift-unlock solenoid for a vehicle according to claim 1, characterized by, The top of the wiring shell (21) is provided with a clamping groove (212) on the left and right sides, the bottom of the tail end of the wiring shell (21) is provided with a plurality of clamping holes (211) which are spaced apart in the width direction, the left and right sides of the baffle (232) and corresponding to the clamping groove (212) are provided with clamping edges (231), the top of the tail end of the coil holder (23) is provided with clamping blocks (233) corresponding to the clamping holes (211), the clamping blocks (233) are buckle connected with the clamping holes (211), and the clamping edges (231) are inserted into the clamping grooves (212).

7. The shift-unlock solenoid for a vehicle according to claim 3, characterized by, The front end of the operating rod (11) is provided with a mounting hole (112), and the inside of the mounting hole (112) is provided with a buffer ring (12).

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