CN215059912U - Electromagnetic valve assembly of electric control silicone oil fan clutch - Google Patents
Electromagnetic valve assembly of electric control silicone oil fan clutch Download PDFInfo
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- CN215059912U CN215059912U CN202120905768.9U CN202120905768U CN215059912U CN 215059912 U CN215059912 U CN 215059912U CN 202120905768 U CN202120905768 U CN 202120905768U CN 215059912 U CN215059912 U CN 215059912U
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Abstract
The utility model relates to a solenoid valve assembly of automatically controlled silicon oil fan clutch, including coil skeleton and around locating the many brake coils on the coil skeleton, fixed mounting has hall sensor on the coil skeleton, and hall sensor one end is provided with the plug of being connected with outside components and parts, and the coil skeleton overcoat is equipped with the magnetic conduction cover, the magnetic conduction cover still is equipped with magnetic conduction board and bearing in the corresponding position opening setting of hall sensor in the magnetic conduction cover, and magnetic conduction board one end offsets with the coil skeleton and installs in the middle part of the magnetic conduction cover through coil skeleton and bearing, the beneficial effects of the utility model are that: the magnetic conduction plate is arranged between the bearing and the coil framework, so that the magnetic resistance is reduced, and the problem of bearing ablation caused by dust entering the middle of the magnetic conduction plate and the bearing can be avoided.
Description
Technical Field
The utility model relates to an automatically controlled silicon oil fan clutch field, concretely relates to solenoid valve assembly of automatically controlled silicon oil fan clutch.
Background
The fan clutch is an auxiliary cooling device of a vehicle, apply to the cooling system of the vehicle, the vehicle is in the course of going, because the change of environmental condition and running condition, the thermal condition of the engine is changing too, therefore, must regulate the cooling intensity of the engine at any time, it is one of the methods to realize this regulation to install the silicon oil fan clutch between cooling fan pulley, and the silicon oil fan clutch uses the silicon oil as the medium, utilize the high-viscosity characteristic of silicon oil to transmit the torque, the fan rotational speed is gathered by the rotational speed transducer, and send the information to ECU, send the order to the electromagnetic valve by ECU, the electromagnetic valve controls the valve plate switch, then control the fan rotational speed;
in the prior art, a silicone oil fan clutch comprises a driving shaft, a front cover, a shell, a driving plate, a driven plate, a valve plate assembly, an electromagnetic valve assembly and a rotating speed sensor;
the electromagnetic valve assembly comprises a magnetic conduction cover, a coil framework, an induction coil arranged on the coil framework, a bearing, a magnetic conduction plate and a Hall sensor, wherein the induction coil generates a magnetic field to attract a valve plate of the fan clutch;
however, the electromagnetic valve assembly in the prior art is a solenoid type electromagnetic valve, and the principle is simple, that is, a coil in the electromagnetic valve generates a magnetic field to attract a valve plate assembly, but because a magnetic conduction plate in the existing electromagnetic valve assembly is arranged below a bearing, the magnetic path generated by the coil is long, which shows that the magnetic resistance is large, and dust easily enters the middle of the magnetic conduction plate and the bearing to cause the problem of bearing ablation, and it is necessary to improve the problem.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to solve the above-mentioned deficiencies of the prior art,
the electromagnetic valve assembly of the electric control silicone oil fan clutch is lower in magnetic resistance and capable of preventing dust from entering the middle of the magnetic conduction plate and the bearing to cause bearing ablation.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an electromagnetic valve assembly of automatically controlled silicon oil fan clutch, includes coil skeleton and around locating the many floodgate coils on the coil skeleton, fixed mounting has hall sensor on the coil skeleton, and hall sensor one end is provided with the plug of being connected with outside components and parts, and the coil skeleton overcoat is equipped with the magnetic conduction cover, the magnetic conduction cover still is equipped with magnetic conduction board and bearing, its characterized in that in the corresponding position opening setting of hall sensor in the magnetic conduction cover: one end of the magnetic conduction plate is abutted against the coil framework and is arranged in the middle of the magnetic conduction cover through the coil framework and the bearing.
By adopting the technical scheme, the magnetic conduction plate in the existing electromagnetic valve assembly is positioned below the bearing, and because the end of the electromagnetic valve assembly faces to the outside after the electromagnetic valve assembly is arranged on the shaft, under the condition of complex road conditions, the probability of splashing mud water is high, and a gap exists between the magnetic conduction plate of the original structure and the bearing, the mud water can be slowly accumulated in the gap to cause the ablation of the bearing, and the magnetic resistance of the original structure is higher, but the magnetic conduction plate is arranged between the coil framework and the bearing in the magnetic conduction cover, because the electromagnetic valve assembly is arranged on the shaft, even if the gap exists after the installation, the two ends of the magnetic conduction plate are blocked by the shaft, the mud water can not enter the gap between the bearing and the magnetic conduction plate to be accumulated, the problem of the ablation of the bearing is avoided, the magnetic conduction plate is arranged in the middle part to shorten a magnetic flux path, and the magnetic flux is improved under the condition of not changing the materials of the magnetic conduction plate and other parts, the magnetic resistance is reduced.
The electromagnetic valve assembly of the electric control silicone oil fan clutch can be further configured as follows: the bearing is installed in the magnetic conduction cover through the bearing seat, one end of the bearing seat is abutted to the magnetic conduction plate, and a magnetic conduction plate limiting structure is formed between the bearing seat and the coil framework.
By adopting the technical scheme, the bearing is installed in the magnetic conduction cover through the bearing seat to prolong the service life of the bearing, and the magnetic conduction plate is limited in the magnetic conduction cover through the bearing seat and the coil framework, so that the stability of the magnetic conduction plate is improved.
The electromagnetic valve assembly of the electric control silicone oil fan clutch can be further configured as follows: the magnetic conduction plate limiting structure comprises a bearing seat, wherein the bearing seat is arranged towards one end of the magnetic conduction plate and is an annular first limiting shoulder step, a first limiting groove matched with the first limiting shoulder step is formed in the corresponding position of the first limiting shoulder step of the magnetic conduction plate, the other end, opposite to the first limiting groove, of the magnetic conduction plate is provided with a second limiting shoulder step in an annular shape, and a second limiting groove is formed in the corresponding position of the second limiting shoulder step of the coil framework.
By adopting the technical scheme, the two ends of the magnetic conduction plate are limited by the matching of the first limiting shoulder step and the first limiting groove and the matching of the second limiting shoulder step and the second limiting groove, so that the stability of the magnetic conduction plate after installation is improved.
The utility model has the advantages that: the magnetic conduction plate is arranged between the bearing and the coil framework, so that the magnetic resistance is reduced, and the problem of bearing ablation caused by dust entering the middle of the magnetic conduction plate and the bearing can be avoided.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a top view of the embodiment of the present invention without plastic coating.
Fig. 3 is a cross-sectional view of a portion a-a of fig. 2 and a magnetic circuit diagram.
Fig. 4 is a schematic view of a three-dimensional structure of the magnetic conductive cover according to the embodiment of the present invention.
Fig. 5 is a schematic view of a three-dimensional structure of a coil bobbin according to an embodiment of the present invention.
Fig. 6 is a schematic view of a three-dimensional structure of a bearing according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1-3: an electromagnetic valve assembly of an electric control silicon oil fan clutch comprises a coil framework 1 and a multi-gate coil (omitted in the figure) wound on the coil framework 1, wherein a Hall sensor 2 is fixedly installed on the coil framework 1, a plug 3 connected with an external component is arranged at one end of the Hall sensor 2, a magnetic conduction cover 4 is sleeved outside the coil framework 1, a plastic coating 5 extending to the plug 3 is coated outside the magnetic conduction cover 4, the magnetic conduction cover 4 is arranged at an opening 21 corresponding to the Hall sensor 2, a magnetic conduction plate 5 and a bearing 6 are also arranged in the magnetic conduction cover 4, one end of the magnetic conduction plate 5 abuts against the coil framework 2 and is installed in the middle of the magnetic conduction cover 4 through the coil framework 1 and the bearing 6, the bearing 6 is installed in the magnetic conduction cover 4 through a bearing seat 7, one end of the bearing seat 7 abuts against the magnetic conduction plate 5, a magnetic conduction plate limiting structure is formed between the bearing seat 7 and the coil framework 1, the magnetic conduction plate limiting structure comprises a first annular limiting shoulder 71 arranged at one end, facing the magnetic conduction plate 5, of the bearing seat 7, the magnetic conducting plate 5 is provided with a first limiting groove 51 adapted to the first limiting shoulder 71 at a position corresponding to the first limiting shoulder 71, the other end of the magnetic conducting plate 5 opposite to the first limiting groove 51 is provided with an annular second limiting shoulder 52, the coil frame 1 is provided with a second limiting groove 11 at a position corresponding to the second limiting shoulder 52, and the magnetic conducting plate 5 is arranged between the bearing 6 and the coil frame 1 to shorten a magnetic path, as shown in the trend of an arrow a in fig. 3.
Claims (3)
1. The utility model provides an electromagnetic valve assembly of automatically controlled silicon oil fan clutch, includes coil skeleton and around locating the many floodgate coils on the coil skeleton, fixed mounting has hall sensor on the coil skeleton, and hall sensor one end is provided with the plug of being connected with outside components and parts, and the coil skeleton overcoat is equipped with the magnetic conduction cover, the magnetic conduction cover still is equipped with magnetic conduction board and bearing, its characterized in that in the corresponding position opening setting of hall sensor in the magnetic conduction cover: one end of the magnetic conduction plate is abutted against the coil framework and is arranged in the middle of the magnetic conduction cover through the coil framework and the bearing.
2. The electromagnetic valve assembly of the electric control silicone oil fan clutch as claimed in claim 1, wherein: the bearing is installed in the magnetic conduction cover through the bearing seat, one end of the bearing seat is abutted to the magnetic conduction plate, and a magnetic conduction plate limiting structure is formed between the bearing seat and the coil framework.
3. The electromagnetic valve assembly of the electric control silicone oil fan clutch as claimed in claim 2, wherein: the magnetic conduction plate limiting structure comprises a bearing seat, wherein the bearing seat is arranged towards one end of the magnetic conduction plate and is an annular first limiting shoulder step, a first limiting groove matched with the first limiting shoulder step is formed in the corresponding position of the first limiting shoulder step of the magnetic conduction plate, the other end, opposite to the first limiting groove, of the magnetic conduction plate is provided with a second limiting shoulder step in an annular shape, and a second limiting groove is formed in the corresponding position of the second limiting shoulder step of the coil framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120905768.9U CN215059912U (en) | 2021-04-28 | 2021-04-28 | Electromagnetic valve assembly of electric control silicone oil fan clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120905768.9U CN215059912U (en) | 2021-04-28 | 2021-04-28 | Electromagnetic valve assembly of electric control silicone oil fan clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215059912U true CN215059912U (en) | 2021-12-07 |
Family
ID=79107131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120905768.9U Active CN215059912U (en) | 2021-04-28 | 2021-04-28 | Electromagnetic valve assembly of electric control silicone oil fan clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215059912U (en) |
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2021
- 2021-04-28 CN CN202120905768.9U patent/CN215059912U/en active Active
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