CN202756478U - Silicon oil circulation radiating system of automotive fan three speed electromagnetic clutch - Google Patents

Abstract

The utility model discloses a silicon oil circulation radiating system of an automotive fan three speed electromagnetic clutch. The silicon oil circulation radiating system is characterized by comprising an oil outlet hole located on a partition plate close to the position of a front cover, a silicon oil tank formed between the partition plate and the front cover on the right side of the partition plate, a back oil circuit located on the front cover, and a back oil hole located in the front cover, the oil outlet hole is communicated between a labyrinth cavity and the silicon oil tank, one end of the back oil circuit is communicated with the silicon oil tank, and the other end of the back oil circuit is communicated with the outer side of the labyrinth cavity through the back oil hole. According to the silicon oil circulation radiating system, on one hand, radiation can be achieved through front cover cooling fins, on the other hand, the radiation can be achieved through flow circulation, heating of silicon oil in the working process is effectively improved, silicon oil transmission effects are improved, and transmission stability is benefited.

Description

The silicone oil cycle cooling system of onboard fan three-speed electromagnetic clutch

The application is number of patent application 2012204271723, the silicone oil formula differential gear of a kind of onboard fan three-speed electromagnetic of patent name clutch, and patent application day is dividing an application of the patent application submitted on 08 27th, 2012.

Technical field

The present invention relates to a kind of magnetic clutch, especially a kind of silicone oil cycle cooling system of onboard fan three-speed electromagnetic clutch.

Background technique

The onboard fan clutch is the device of realizing the clutch regulation and control for onboard fan.The existing a kind of onboard fan three-speed electromagnetic clutch that can realize three grades of output speed regulation and control, its structure comprises the members such as driving shaft 1, yoke bearing 2, two-speed coil 3, yoke 4, three fast coils 5, driving disc 6, three quick-action iron cores 7, three fast shell fragments 8, two quick-action iron cores 9, permanent magnet 10, two-speed shell fragment 11, protecgulum 12, magnetic receiver 13, magnetic receiver bearing 14, Front Cover Bearing 15 as shown in Figure 1.

When clutch place one speed, two-speed coil, the equal no electric circuit of three fast coils, motor output speed directly through driving shaft 1, Front Cover Bearing 15, reach protecgulum 12 and drive fans and rotate, at this moment rotating speed is very low.

When clutch place two-speed, two-speed coil 3 energising adhesives two quick-action iron cores 9, the motor output speed is used screw attachment by driving shaft 1, driving disc 6, two quick-action iron cores 9, two quick-action iron cores by two-speed shell fragment 11 and magnetic receiver 13, permanent magnet 10 on the magnetic receiver 13 and the magnet steel adhesive that is embedded on the protecgulum 12, the fan that drive is contained on the protecgulum rotates, and at this moment fan place two-speed running is when the two-speed coil blackout, two quick-action iron cores are thrown off with driving disc under the effect of two-speed shell fragment elastic force, and two-speed stops;

When clutch place three speed, three fast coil 5 energising adhesives three quick-action iron cores 7, the motor output speed is by driving shaft 1, driving disc 6, three quick-action iron core 7(, three quick-action iron cores and three fast shell fragments riveted joints), three fast shell fragments 8 reach protecgulum 12(three fast shell fragments and protecgulum screw attachment), the fan that drive is contained on the protecgulum rotates at this moment fan place full-speed operation.When three fast coil blackouts, three quick-action iron cores are thrown off with driving disc under three fast shell fragment elastic force effects, and three speed stop.

Wherein realize the two-speed running, adopted differential gear, existing differential gear comprises two quick-action iron cores 9, the two-speed shell fragment 11 that is fixedly connected with two quick-action iron cores 9 and the magnetic receiver 13 that is fixedly connected with two-speed shell fragment 11 with the 3 corresponding settings of two-speed coil, permanent magnet 10 is set on the magnetic receiver 13, arranges on the protecgulum 12 and permanent magnet 10 magnet steel of adhesive mutually; Wherein the pick up torque of two quick-action iron cores 9 and two-speed coil 3 is greater than the pick up torque of permanent magnet 10 and magnet steel.In this differential gear, be to realize differential drive by magnet attraction, namely when driving shaft input torque during greater than the protecgulum maximum output torque, the adhesive face of permanent magnet 10 and protecgulum upper magnetic steel skids and realizes differential drive.

In this existing two-speed drive mechanism, clutch is in the two-speed working state, to drive fan by the magnet steel on the permanent magnet 10 adhesive protecgulums 12 on the magnetic receiver 13 to rotate, and permanent magnet and magnet steel can heating produce high temperature in the cutting magnetic line process, when magnet is in when working under the high temperature for a long time, magnetic force will be decayed gradually, finally cause clutch to lose efficacy, therefore existence and stability is poor, the defective that the life-span is short; Permanent magnet is rare earth material in addition, has price, the defective that cost is high.

The model utility content

For above-mentioned deficiency, technical problem to be solved in the utility model is how to provide a kind of simple in structure, easy to assembly, the silicone oil formula differential gear of the onboard fan three-speed electromagnetic clutch of good airproof performance, reduces production costs at stability and the working life that can improve clutch.

In order to solve the problems of the technologies described above, adopted following technological scheme in the utility model.

A kind of silicone oil formula differential gear of onboard fan three-speed electromagnetic clutch, it is characterized in that, described silicone oil formula differential gear, comprise the two-speed shell fragment, labyrinth disc, oil sealing base, oil sealing, every dish and labyrinth disc bearing, described labyrinth disc bearing housing is located on the driving shaft between driving disc and the Front Cover Bearing, described labyrinth disc has one and is used for and the cylindrical part of labyrinth disc bearing secure fit, the outer middle side part of cylindrical part has one to the round plate of cylindrical part periphery projection, the both sides of round plate have respectively the protruding circular ring that multi-turn is used to form the chamber, labyrinth, the cylindrical part in the round plate left side of described labyrinth disc also is arranged with oil sealing base outward, the circumferential position place sealing of oil sealing base is fixed on protecgulum, be provided with oil sealing between the cylindrical part of place, ring side and labyrinth disc in the oil sealing base, the cylindrical part of the round plate right side of face of labyrinth disc also be arranged with outward outer circumferential side be fixed on the protecgulum every dish, projection on the equal corresponding labyrinth disc is provided with the annular groove of coupling and forms the labyrinth cavity configuration on the oil sealing base of labyrinth disc left surface and on the protecgulum of labyrinth disc right flank, is filled with silicone oil in the cavity configuration of labyrinth.

Adopt labyrinth structure to increase silicone oil and driving component area of contact in the utility model, improve the transmission effect, while this silicone oil formula differential gear also has simple in structure, silicone oil good sealing effect, the characteristics such as easy to assembly.After in onboard fan three-speed electromagnetic clutch, adopting differential gear of the present utility model, owing to being as medium take silicone oil, although also there is heating in the course of the work in the silicone oil medium, silicon oil viscosity also can raise with temperature and reduce, carry-over moment also can descend, but when it reaches thermal equilibrium state, also just reach moment and stablize output state, and can not lose efficacy because there being heating, therefore improved stability and the working life of clutch, simultaneously since silicone oil medium price far below magnet, therefore reduced the clutch cost.

As optimization, also comprise the silicone oil cycle cooling system, described silicone oil cycle cooling system comprises being positioned at close on the oil outlet of protecgulum position on dish, every dish and between the protecgulum on dish right side the silicone oil pond that forms, be positioned at oil circuit and spill port on the protecgulum, described oil outlet is communicated with between chamber, labyrinth and the silicone oil pond, and described oil circuit one end is communicated with the silicone oil pond, and the other end is communicated with outside, chamber, labyrinth by spill port.After optimizing like this, silicone oil medium working procedure is a flow circuit process, on the one hand can be by the heat radiation of protecgulum radiating fin, can dispel the heat by flow circuit on the other hand, effectively improve the heating of silicone oil in working procedure, improved silicone oil transmission effect, also be beneficial to the maintenance transmission stability.

In sum, the utlity model has simple in structurely, easy to assembly, the characteristics of good airproof performance adopt the utility model structure in onboard fan three-speed electromagnetic clutch, stability and the working life that can improve clutch, reduce production costs.

Description of drawings

Fig. 1 is the structural representation of the described existing onboard fan three-speed electromagnetic clutch of background technique.

Fig. 2 is a kind of structural representation that has adopted the onboard fan three-speed electromagnetic clutch of the utility model structure.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing and a kind of onboard fan three-speed electromagnetic clutch that has adopted the utility model structure.

During implementation, as shown in Figure 2, a kind of onboard fan three-speed electromagnetic clutch that has adopted the utility model structure, comprise driving shaft 1, yoke bearing 2 by the driving shaft left side is arranged on driving shaft 1 yoke 4 outward, (definition driving shaft input side is the left side to right flank on the yoke 4, protecgulum place side is the right side) outwards be disposed with two-speed coil 3 and three fast coils 5 along the center of circle, yoke 4 right sides are provided with the driving disc 6 that is socketed in driving shaft 1, driving disc 6 has two quick-action iron cores 8 of corresponding two-speed coil 3 settings and the three quick-action iron cores 7 that corresponding three fast coils 5 arrange, two quick-action iron cores 8 link to each other with protecgulum 9 by differential gear, three quick-action iron cores 7 link to each other with protecgulum 9 by three fast shell fragments 17, and protecgulum 9 is set in driving shaft 1 right side by Front Cover Bearing 15; It is characterized in that, described differential gear is silicone oil formula differential gear.

During implementation, described silicone oil formula differential gear, comprise two-speed shell fragment 16, labyrinth disc 12, oil sealing base 10, oil sealing 11, every dish 13 and labyrinth disc bearing 14, described labyrinth disc bearing 14 is set on the driving shaft 1 between driving disc 6 and the Front Cover Bearing 15, described labyrinth disc 12 has one and is used for and the cylindrical part of labyrinth disc bearing 14 secure fit, the outer middle side part of cylindrical part has one to the round plate of cylindrical part periphery projection, the both sides of round plate have respectively the projection that multi-turn is used to form the labyrinth, the cylindrical part of the round plate left side of face of described labyrinth disc 12 also is arranged with oil sealing base 10 outward, when the circumferential position place sealing of oil sealing base 10 is fixed on protecgulum 9(implementation, described sealing fixedly is to adopt the sealing of O RunddichtringO after adopting first screw fixing again), be provided with oil sealing 11 between the cylindrical part of place, oil sealing base 10 interior ring sides and labyrinth disc 12, the cylindrical part of the round plate right side of face of labyrinth disc 12 also be arranged with outward outer circumferential side be fixed on the protecgulum 9 every the dish 13, projection on the equal corresponding labyrinth disc is provided with the annular groove of coupling and forms the labyrinth cavity configuration on the oil sealing base of labyrinth disc left surface and on the protecgulum of labyrinth disc right flank, is filled with silicone oil in the cavity configuration of labyrinth.

During implementation, also comprise the silicone oil cycle cooling system, described silicone oil cycle cooling system comprises being positioned at close on the oil outlet 18 of protecgulum position on dish, every dish and between the protecgulum on dish right side the silicone oil pond 19 that forms, be positioned at oil circuit 20 and spill port 21 on the protecgulum, described oil outlet is communicated with between chamber, labyrinth and the silicone oil pond, and described oil circuit one end is communicated with the silicone oil pond, and the other end is communicated with outside, chamber, labyrinth by spill port.

Above-mentioned onboard fan three-speed electromagnetic clutch has a speed, two-speed when using, three kinds of drive states of three speed.

When clutch place one speed, two-speed coil, the equal no electric circuit of three fast coils, motor output speed directly through driving shaft, Front Cover Bearing, reach protecgulum and drive fan and rotate, at this moment rotating speed is very low;

When clutch place two-speed, two-speed coil electricity adhesive two quick-action iron cores, the motor output speed passes through two-speed shell fragment and labyrinth disc screw attachment by driving shaft, driving disc, two quick-action iron cores, two quick-action iron cores, form the silicone oil power cavity by oil sealing base, labyrinth disc, protecgulum, by labyrinth disc motion is reached protecgulum by the silicone oil medium, the fan that drive is contained on the protecgulum rotates, at this moment fan place two-speed running.

In the two-speed operation process, be stored in the silicone oil pond silicone oil by entering maze trough in the power cavity every the dish oil outlet, silicone oil is under centrifugal action in the maze trough,, oil circuit logical by oil return goes back to the silicone oil pond, form the closed loop, silicone oil medium working procedure is a flow circuit process like this, on the one hand can be by the heat radiation of protecgulum radiating fin, can dispel the heat by flow circuit on the other hand, effectively improve the heating of silicone oil in working procedure.

When clutch place three speed, three fast coil electricity adhesive three quick-action iron cores, the motor output speed reaches protecgulum (three fast shell fragments and protecgulum screw attachment) by driving shaft, driving disc, three quick-action iron cores (three quick-action iron cores and three fast shell fragment riveted joints), three fast shell fragments, the fan that drive is contained on the protecgulum rotates at this moment fan place full-speed operation.When three fast coil blackouts, three quick-action iron cores are thrown off with driving disc under three fast shell fragment elastic force effects, and three speed stop.

Claims (1)

1. the silicone oil cycle cooling system of an onboard fan three-speed electromagnetic clutch, it is characterized in that, described silicone oil cycle cooling system comprises being positioned at close on the oil outlet of protecgulum position on dish, every dish and between the protecgulum on dish right side the silicone oil pond that forms, be positioned at oil circuit and spill port on the protecgulum, described oil outlet is communicated with between chamber, labyrinth and the silicone oil pond, and described oil circuit one end is communicated with the silicone oil pond, and the other end is communicated with outside, chamber, labyrinth by spill port.

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