CN216447339U

CN216447339U - Silicon oil fan clutch

Info

Publication number: CN216447339U
Application number: CN202123299965.XU
Authority: CN
Inventors: 王辉
Original assignee: Suzhou Renhe Automobile Technology Co ltd
Current assignee: Suzhou Renhe Automobile Technology Co ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-05-06
Anticipated expiration: 2031-12-25

Abstract

The utility model discloses a silicone oil fan clutch which comprises a shell, a front cover, a driving shaft, a driving plate connected with the driving shaft, a driven plate matched with the driving plate and a valve plate assembly, wherein the shell is connected with the front cover through a bolt, the driving shaft is rotatably connected with the shell through a bearing, the driving plate is sleeved on the driving shaft, a space between the driven plate and the front cover is an oil storage cavity, a space between the driven plate and the shell is a working cavity, an oil inlet hole is formed in the driven plate, the valve plate assembly is matched with the oil inlet hole, and a plurality of inclined oil guide grooves are formed in the inward concave mode from the peripheral surface of the driving plate. According to the utility model, the plurality of oil guide grooves are concavely arranged on the peripheral surface of the driving plate, so that silicone oil can flow into the oil storage cavity, circulation of the silicone oil between the working cavity and the oil storage cavity is realized, the oil guide grooves are convenient to manufacture and mold, the process is simple, and the cost is low.

Description

Silicon oil fan clutch

Technical Field

The utility model relates to a clutch, in particular to a silicone oil fan clutch.

Background

CN205876473U discloses a novel automatically controlled silicon oil clutch, including protecgulum, back lid, initiative dish, flange axle, automatically controlled solenoid assembly, control valve rod, protecgulum and back lid rigid connection, the initiative dish is located between protecgulum and the back lid and connects at the flange epaxially, is provided with back lid bearing, its characterized in that between back lid and the flange axle: the driving disc is provided with a working cavity ring gear and an annular oil storage cavity, the oil storage cavity is covered with a split disc, a plurality of oil guide grooves are uniformly arranged in the circumferential direction of the driving disc, a first oil outlet is formed in the oil storage cavity, silicon oil enters the working cavity ring gear through the first oil outlet, an oil blocking boss is arranged close to the first oil outlet, the oil storage cavity is communicated with an oil return hole, and the oil return hole sends the silicon oil back to the oil storage cavity through an oil return pressure pump. The utility model improves the cold starting performance and the reliability of the clutch fan, reduces the engaging and disengaging time of the clutch and improves the rotating speed controllability and the response capability of the clutch. There are disadvantages in that: the driving disc needs to be provided with the oil guide hole and the oil guide plate to form the oil guide groove, so that the manufacturing process is complex and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a silicone oil fan clutch.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a silicon oil fan clutch, including casing, protecgulum, driving shaft, with the driving plate of driving shaft connection, with driving plate matched with driven plate and valve block assembly, the casing with pass through bolted connection between the protecgulum, the driving shaft pass through the bearing with the casing rotates to be connected, the driving plate cover is established on the driving shaft, the driven plate with the space between protecgulum and is the oil storage chamber, the driven plate with space between the casing is the working chamber, be equipped with the inlet port on the driven plate, the valve block assembly with the inlet port cooperatees, certainly the driving plate peripheral surface indent establishes the oil groove of leading of a plurality of slopes.

And the oil guide grooves are uniformly formed in the whole peripheral surface of the driving plate.

The inclination angle of the oil guide groove is a, and a is more than 20 degrees and less than 50 degrees.

The inside oil return passage that is equipped with of protecgulum, oil return passage's one end is equipped with the backward flow export, oil return passage's the other end is equipped with the backward flow import, the backward flow import sets up the outward flange department of protecgulum internal surface.

The silicone oil fan clutch further comprises a connector assembly, a magnetic conductive seat is detachably mounted on the driving plate, and a mounting groove for mounting the magnetic conductive seat is formed in the driving plate.

The magnetic conducting seat comprises an annular body and a plurality of magnetic pins formed by extending outwards from one end of the annular body, and notches are formed in the magnetic pins.

And a sealing ring is arranged between the shell and the front cover.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that: through the concave a plurality of oil grooves of leading of establishing in the initiative board peripheral surface, can make during silicone oil flows into the oil storage chamber, realize the circulation of silicone oil between working chamber and oil storage chamber, lead the oil groove and be convenient for make shaping, simple process, it is with low costs.

Drawings

FIG. 1 is a cross-sectional view of a silicone oil fan clutch of the present invention;

FIG. 2 is a cross-sectional view of the active plate of FIG. 1;

FIG. 3 is a schematic structural view of the magnetic conductive seat shown in FIG. 1;

FIG. 4 is a schematic diagram of the active plate structure shown in FIG. 2;

fig. 5 is a cross-sectional view of the front cover of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention is a silicone oil fan clutch, which includes a housing 1, a front cover 2, a driving shaft 3, a driving plate 4 connected to the driving shaft 3, a driven plate 5 engaged with the driving plate 4, and a valve plate assembly 6.

Referring to fig. 1, the housing 1 and the front cover 2 are connected by bolts, and a sealing ring 10 is preferably disposed between the housing 1 and the front cover 2. The driving shaft 3 is rotatably connected with the shell 1 through a bearing 7, and the driving plate 4 is sleeved on the driving shaft 3 and can rotate along with the driving shaft 3.

With continued reference to fig. 1, the space between the driven plate 5 and the front cover 2 is an oil reservoir chamber 8, and silicone oil of high viscosity is stored in the oil reservoir chamber 8. The space between the driven plate 5 and the shell 1 is a working cavity 9, an oil inlet 51 is formed in the driven plate 5, the valve sheet assembly 6 is matched with the oil inlet 51, after the temperature of air flow exceeds 65 ℃, the oil inlet 51 in the driven plate 5 is opened, silicon oil in the oil storage cavity 8 enters the working cavity 9 through the oil inlet 51, viscous silicon oil flows into gaps among the driving plate 4, the driven plate 5, the driving plate 4 and the shell 1, the torque on the driving plate 4 is transmitted to the shell 1, and the fan is driven to rotate at a high speed.

Silicon oil fan clutch still includes connector assembly 20, refer to fig. 2 and 3, demountable installation has magnetic conductive seat 30 on the initiative board 4, and magnetic conductive seat 30 includes annular body 301 and outwards extends a plurality of magnetism pins 302 that form from annular body 301 one end, is equipped with breach 303 on the magnetism pin 302, is equipped with the mounting groove 42 that is used for installing magnetic conductive seat 30 on the initiative board 4, through setting up breach 303, plays limiting displacement.

When the valve seat works, magnetic force is generated after the connector assembly 20 is electrified, the magnetic force is transmitted to the outer ring of the bearing 7 through the shell of the connector assembly 20, the driving shaft 3, the valve plate assembly 6 and the magnetic conduction seat 30, and the inner ring of the bearing 7 is transmitted to the shell of the connector assembly 20 to form a closed loop. The magnetic conduction seat 30 is arranged, so that the magnetic flux is increased, the sensitivity of the valve plate assembly 6 is improved, and the response speed is high; the magnetic conduction seat 30 and the driving plate 4 are arranged in a split mode, and machining is easy.

Referring to fig. 4, a plurality of inclined oil guide grooves 43 are recessed inward from the outer circumferential surface of the main movable plate 4, and the angle of inclination of the oil guide grooves 43 is a, and 20 ° < a < 50 °, preferably 40 °. The plurality of oil guide grooves 43 are uniformly provided on the entire outer circumferential surface of the driving plate 4. The oil guide groove 43 allows the silicone oil to flow into the oil storage chamber 8. The oil guide groove 43 is convenient to manufacture and form, simple in process and low in cost.

Referring to fig. 5, an oil return passage 21 is provided inside the front cover 2, one end of the oil return passage 21 is provided with a return outlet 22, and the other end of the oil return passage 21 is provided with a return inlet 23, the return inlet 23 being provided at an outer edge of an inner surface of the front cover 2.

In the rotation process of the driving plate 4, the silicone oil is thrown to the outer edge of the driving plate 4 under the centrifugal action, the oil return channel 21 is used for recovering the silicone oil thrown to the edge of the driving plate 4, the silicone oil enters the oil return channel 21 through the backflow inlet 23 and flows into the oil storage cavity 8 through the backflow outlet 22, and the circulation of the silicone oil between the working cavity 9 and the oil storage cavity 8 is realized.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a silicon oil fan clutch, its characterized in that, including casing, protecgulum, driving shaft, with the initiative board of driving shaft connection, with initiative board matched with driven plate and valve block assembly, the casing with pass through bolted connection between the protecgulum, the driving shaft pass through the bearing with the casing rotates to be connected, the initiative board cover is established on the driving shaft, the driven plate with the space between protecgulum and the is the oil storage chamber, the driven plate with space between the casing is the working chamber, be equipped with the inlet port on the driven plate, the valve block assembly with the inlet port cooperatees, certainly the oil groove that leads of a plurality of slopes is established to the indent in the driving plate peripheral surface.

2. The silicone oil fan clutch of claim 1, wherein the oil guide grooves are uniformly formed on the entire outer circumferential surface of the driving plate.

3. The silicone oil fan clutch of claim 2, wherein the oil groove is inclined at an angle a, and 20 ° < a < 50 °.

4. The silicone oil fan clutch of claim 1, wherein the front cover is internally provided with an oil return channel, one end of the oil return channel is provided with a backflow outlet, the other end of the oil return channel is provided with a backflow inlet, and the backflow inlet is arranged at an outer edge of an inner surface of the front cover.

5. The silicone oil fan clutch of claim 1, further comprising a connector assembly, wherein the driving plate is detachably mounted with a magnetic conductive seat, and the driving plate is provided with a mounting groove for mounting the magnetic conductive seat.

6. The silicone oil fan clutch of claim 5, wherein the magnetic conductive base includes an annular body and a plurality of magnetic pins extending outward from one end of the annular body, the magnetic pins having notches.

7. The silicone oil fan clutch of claim 1, wherein a seal ring is disposed between the housing and the front cover.