CN211573629U - Oil return mechanism of electric control silicone oil clutch - Google Patents
Oil return mechanism of electric control silicone oil clutch Download PDFInfo
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- CN211573629U CN211573629U CN201921710746.6U CN201921710746U CN211573629U CN 211573629 U CN211573629 U CN 211573629U CN 201921710746 U CN201921710746 U CN 201921710746U CN 211573629 U CN211573629 U CN 211573629U
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Abstract
An oil return mechanism of an electric control silicone oil clutch comprises a main shaft, a main board and a cover body, wherein the cover body comprises a front cover and a rear cover, the front cover and the rear cover are fixedly connected, the main board is arranged in a cavity formed between the front cover and the rear cover, the main board is fixedly connected with the front end of the main shaft, and a bearing is arranged between the main shaft and the rear cover; a working cavity is arranged between the front cover and the rear cover, the part of the main board close to the periphery is arranged in the working cavity, an oil storage cavity is formed between the main board and the front cover, and the oil storage cavity is communicated with the working cavity through an oil outlet; a large oil return hole is formed in the front cover on the outer side of the working cavity, the front end of the large oil return hole passes through the small oil return hole, the front end of the small oil return hole is connected with an oil return channel in the front cover, and the oil return channel is communicated with the oil storage cavity; this automatically controlled silicon oil clutch oil return mechanism accelerates the separating speed through the increase oil pressure, can make the interior silicon oil of work chamber fast return to the oil storage chamber for the circulating speed of silicon oil, better reaches the business turn over oil balance that the speed governing required, is worth wideling popularize.
Description
Technical Field
The utility model belongs to the technical field of clutch mechanism and specifically relates to an automatically controlled silicon oil clutch oil return mechanism.
Background
With the continuous development of the technology in the automobile field and the continuous upgrade of the emission of an engine system, the fuel consumption becomes more and more a topic of concern for various host factories and users, and new technologies of various new products for saving fuel consumption are continuously researched and applied. The utility model discloses a develop an automatically controlled silicon oil clutch fan that can realize on-off control, the fan is disengaged when the whole car does not need the fan cooling, does not consume the engine power; when cooling is needed, the engine is meshed to cool the engine in time, and redundant heat is taken away. Thereby achieving the purpose of saving oil consumption.
Chinese patent application No. 201320599803.4 discloses an electric control silicone oil clutch fan capable of realizing on-off control, which comprises a clutch and a fan connected to the clutch, a yoke coil assembly is mounted on a clutch driving shaft and at the rear side of a clutch rear cover, a valve plate is mounted on a driving disc at the top end of the driving shaft, and an electromagnetic coil wire harness of the yoke coil assembly is led out for being connected with an engine temperature detection circuit; when the electromagnetic coil is powered off, the valve plate is in an open state, the silicone oil working cavity is communicated with the oil storage cavity at the moment, silicone oil flows and circulates between the working cavity and the oil storage cavity, the driving disc is meshed with the driven disc, and the fan works; when the electromagnetic coil is electrified, the valve plate is attracted by electromagnetic force, the valve plate is in a closed state, the silicone oil working cavity is not communicated with the oil storage cavity at the moment, the silicone oil returns to the oil storage cavity from the working cavity under the action of centrifugal force, the driving disc is separated from the driven disc, and the fan stops working. Although the silicone oil clutch similar to the patent is improved to be electrically controlled, the oil return mechanism of the silicone oil clutch is the same as that of the traditional silicone oil clutch, and the silicone oil clutch adopts an end surface oil scraping mode, so that the oil pressure is low and the circulation speed is slow.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatically controlled silicon oil clutch oil return mechanism that circulation speed is fast.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatically controlled silicon oil clutch oil return mechanism, includes main shaft, mainboard and lid, the lid includes protecgulum and hou gai, fixed connection between protecgulum and the back lid, sets up the mainboard in the cavity that constitutes between protecgulum and the back lid, and the mainboard is connected with the front end fixed of main shaft, is equipped with the bearing between main shaft and the back lid. The main shaft is rotatably connected with the rear cover through a bearing, and the main board transmits power to the cover body through silicone oil.
A working cavity is arranged between the cover body and the part of the main board close to the periphery, an oil scraping pool is formed between the outer circular surface of the main board and the front cover, an oil storage cavity is arranged on the main board, and the oil storage cavity is communicated with the working cavity through an oil outlet;
a large oil return hole is formed in the front cover on the outer side of the working cavity, the front end of the large oil return hole passes through the small oil return hole, the front end of the small oil return hole is connected with an oil return channel in the front cover, and the oil return channel is communicated with the oil storage cavity;
the outer circle face of the main plate forms an oil scraping face, a large oil return hole of the front cover protrudes downwards to form a protruding portion, and oblique teeth are arranged on the periphery of the main plate. The silicone oil enters the oil scraping pool due to the centrifugal force, then the silicone oil enters the large oil return hole from the oil scraping pool due to the obstruction of the convex part, the helical teeth on the surface of the outer circular surface of the main plate partially convert the tangential force generated due to the centrifugal force into forward thrust, pressurization along the direction of the large oil return hole is formed on the silicone oil entering the large oil return hole from the oil scraping pool, the silicone oil enters the small oil return hole with the small cross section from the large oil return hole with the large cross section for further pressurization, then flows into an oil return channel and finally returns to an oil storage cavity, and the silicone oil is repeatedly and rapidly circulated to meet the requirement of the speed regulation function of the.
As a further aspect of the present invention: the main board is internally provided with a cavity communicated with the working cavity, the cavity is communicated with the working cavity through a hole, and is communicated with the working cavity through an oil outlet.
As a further aspect of the present invention: and a valve plate is arranged on the rear side of the oil outlet and covers the oil outlet.
As a further aspect of the present invention: the valve plate is an electromagnetic valve plate, the main shaft on the rear side of the rear cover is provided with a magnetic yoke assembly, the magnetic yoke assembly is connected with a power supply or an engine temperature detection circuit through a switch, the magnetic yoke can attract the electromagnetic valve plate to open an oil outlet after being electrified, and the electromagnetic valve plate resets and closes the oil outlet after being powered off. Further, a bearing is arranged between the magnetic yoke assembly and the main shaft.
As a further aspect of the present invention: the helical teeth on the periphery of the main plate are distributed in an even annular array. Has guiding and pressurizing functions.
As a further aspect of the present invention: the inclined teeth on the periphery of the main plate and the axis of the main plate form an included angle of 38-45 degrees.
Compared with the prior art, the beneficial effects of the utility model are that:
one, the utility model discloses an increase oil pressure accelerates the separating rate, can make the interior silicon oil of work cavity flow back to the oil storage chamber fast for the circulating speed of silicon oil, the business turn over oil that better reaches the speed governing demand is balanced, can effectively improve the limit speed of lid.
Two, the utility model discloses owing to adopt yoke control valve block to change the oil-out aperture, consequently can reach the restriction to the silicon oil flux through the control of aperture to the realization is to the electrodeless regulation and control of rotational speed.
Three, the utility model discloses changing current terminal surface frizing into the radial frizing of mainboard, avoiding the frizing clearance because of a plurality of spare parts assembly accumulative error, technological requirement reduces, and the reliability is higher.
Drawings
Fig. 1 is a schematic structural diagram of the present invention in the first embodiment;
FIG. 2 is a schematic illustration of the present invention in a first embodiment of the present invention during separation;
FIG. 3 is a schematic view illustrating the operation of the present invention according to the first embodiment;
FIG. 4 is a schematic view of an oil-scraping surface and an oil-scraping pool in the first embodiment;
fig. 5 is a schematic view of helical teeth on a main plate according to an embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1-5, in an embodiment of the present invention, an oil return mechanism for an electronic control silicone oil clutch includes a main shaft 1, a main board 2 and a cover body, where the cover body includes a front cover 3 and a rear cover 4, the front cover 3 is fixedly connected to the rear cover 4, the main board 2 is disposed in a cavity formed between the front cover 3 and the rear cover 4, the main board 2 is fixedly connected to the front end of the main shaft 1, and a bearing is disposed between the main shaft 1 and the rear cover 4. The main shaft 1 is rotatably connected with the rear cover 4 through a bearing, and the main board 2 transmits power to the cover body through silicon oil.
A working cavity 11 is arranged between the cover body and the part of the main board 2 close to the periphery, an oil scraping pool 17 is formed between the outer circular surface of the main board 2 and the front cover 3, an oil storage cavity 12 is arranged on the main board 2, and the oil storage cavity 12 is communicated with the working cavity 11 through an oil outlet;
a large oil return hole 13 is formed in the front cover 3 on the outer side of the working cavity 11, the front end of the large oil return hole 13 passes through a small oil return hole 14, the front end of the small oil return hole 14 is connected with an oil return channel 15 in the front cover 3, and the oil return channel 15 is communicated with the oil storage cavity 12;
the outer circle surface of the main plate 2 forms an oil scraping surface 16, a large oil return hole 13 of the front cover 3 protrudes downwards to form a protruding part (the protruding part and the oil scraping surface 16 can contact or is provided with a small gap to avoid abrasion), and the periphery of the main plate 2 is provided with oblique teeth 18. The silicone oil enters the oil scraping pool 17 due to the centrifugal force (the rotating speed of the main board 2 is greater than that of the cover body), then the silicone oil enters the large oil return hole 13 from the oil scraping pool 17 due to the obstruction of the convex part, the helical teeth 18 on the surface of the outer circular surface of the main board 2 partially convert the tangential force generated due to the centrifugal force into forward thrust, the silicone oil entering the large oil return hole 13 from the oil scraping pool 17 forms pressurization along the direction of the large oil return hole 13, the silicone oil enters the small oil return hole 14 with the small cross section from the large oil return hole 13 with the large cross section for further pressurization, then flows into the oil return channel 15 and finally returns to the oil storage cavity 12, and the silicone oil is repeatedly and rapidly circulated to meet the requirement.
Above-mentioned, be equipped with the cavity with working chamber 11 intercommunication in the mainboard 2, this cavity clearing hole intercommunication working chamber 11 through oil-out intercommunication oil storage chamber 12, the rear side of oil-out is equipped with valve block 6, and valve block 6 covers on the oil-out, blocks up the oil-out. Preferably, the valve plate 6 is an electromagnetic valve plate, the main shaft 1 at the rear side of the rear cover 4 is provided with the magnetic yoke assembly 5, the magnetic yoke assembly 5 is connected with the engine temperature detection circuit, the valve plate 6 is driven by magnetic force of the magnetic yoke to control the opening degree of the oil outlet, so that the deformation of the valve plate 6 can be changed by changing the magnetic force, the opening degree of the oil outlet can be adjusted steplessly, the circulating flux of the silicon oil is controlled, the transmission force between the main plate 2 and the cover body can be increased by increasing the circulating flux of the silicon oil, the rotating speed is changed, and the stepless adjustment of the rotating speed of the cover body. Further, a bearing is arranged between the magnetic yoke assembly 5 and the main shaft 1.
The helical teeth 18 on the periphery of the main plate 2 are uniformly distributed in an annular array. Has guiding and pressurizing functions.
Above-mentioned, the contained angle between the skewed tooth 18 of mainboard 2 periphery and the axis of mainboard 2 is 38 ~ 45.
The working chamber 11 is a labyrinth-type working chamber with a comb-tooth-shaped cross section.
As described above, the oil scraping surface 16 is a portion where the helical teeth 18 are not provided on the outer circumferential surface of the main plate 2 as shown in fig. 5.
The utility model discloses a structural feature and theory of operation:
when the clutch is in operation (the oil outlet is opened by the valve plate 6, the opening degree is adjustable), silicone oil in the oil storage cavity 12 flows into the working cavity 11 and the oil scraping pool 17 under the action of centrifugal force, because the main board 2 and the shells of the front cover and the rear cover 4 have a rotation speed difference, the silicone oil is guided by the inclined teeth 18 outside the main board 2 to be pressurized and flows into the oil scraping pool 17 under the action of centrifugal force, the silicone oil in the oil scraping pool 17 is scraped into the large oil return hole 13 by the oil scraping surface 16 of the front cover 3, the silicone oil flows into the small oil return hole 14 through pressurization, the small oil return hole 14 continues to be pressurized and flows into the oil. The silicone oil is repeatedly and rapidly circulated to meet the requirement of the speed regulation function of the clutch.
When the clutch is separated (the oil outlet is closed by the valve plate 6), silicon oil in the working chamber 11 quickly returns to the oil storage chamber 12 after the clutch is closed, and the clutch is in a separated state because the oil outlet is closed and circulation cannot be formed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An oil return mechanism of an electric control silicone oil clutch is characterized by comprising a main shaft, a main board and a cover body, wherein the cover body comprises a front cover and a rear cover, the front cover and the rear cover are fixedly connected, the main board is arranged in a cavity formed between the front cover and the rear cover, the main board is fixedly connected with the front end of the main shaft, and a bearing is arranged between the main shaft and the rear cover;
a working cavity is arranged between the cover body and the part of the main board close to the periphery, an oil scraping pool is formed between the outer circular surface of the main board and the front cover, an oil storage cavity is arranged on the main board, and the oil storage cavity is communicated with the working cavity through an oil outlet;
a large oil return hole is formed in the front cover on the outer side of the working cavity, the front end of the large oil return hole passes through the small oil return hole, the front end of the small oil return hole is connected with an oil return channel in the front cover, and the oil return channel is communicated with the oil storage cavity;
the outer circle face of the main plate forms an oil scraping face, a large oil return hole of the front cover protrudes downwards to form a protruding portion, and oblique teeth are arranged on the periphery of the main plate.
2. The electric control silicone oil clutch oil return mechanism according to claim 1, wherein a cavity communicated with the working chamber is arranged in the main board, the cavity is communicated with the working chamber through a hole, and is communicated with the working chamber through an oil outlet.
3. The oil return mechanism of the electric control silicone oil clutch as claimed in claim 1, wherein a valve plate is disposed at a rear side of the oil outlet, and the valve plate covers the oil outlet.
4. The electric control silicone oil clutch oil return mechanism according to claim 3, wherein the valve plate is an electromagnetic valve plate, and a magnetic yoke assembly is arranged on the main shaft at the rear side of the rear cover.
5. The electric control silicone oil clutch oil return mechanism according to claim 1, wherein the helical teeth on the periphery of the main plate are distributed in a uniform annular array.
6. The oil return mechanism of the electric control silicone oil clutch as claimed in claim 1, wherein an included angle between the helical teeth on the periphery of the main plate and an axis of the main plate is 38-45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921710746.6U CN211573629U (en) | 2019-10-14 | 2019-10-14 | Oil return mechanism of electric control silicone oil clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921710746.6U CN211573629U (en) | 2019-10-14 | 2019-10-14 | Oil return mechanism of electric control silicone oil clutch |
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| Publication Number | Publication Date |
|---|---|
| CN211573629U true CN211573629U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921710746.6U Active CN211573629U (en) | 2019-10-14 | 2019-10-14 | Oil return mechanism of electric control silicone oil clutch |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761771A (en) * | 2021-01-15 | 2021-05-07 | 苏州奥沃汽车配件有限公司 | Oil return structure of positive and negative rotation dual-purpose silicone oil fan clutch |
| CN113175441A (en) * | 2021-04-26 | 2021-07-27 | 温州奕龙汽车零部件有限公司 | Oil return mechanism for electric control silicone oil pump |
| CN114251381A (en) * | 2021-12-23 | 2022-03-29 | 苏州奥沃汽车配件有限公司 | Static diversion electric control silicone oil clutch structure |
| CN114810856A (en) * | 2022-05-10 | 2022-07-29 | 潍柴动力股份有限公司 | Driving disc and silicone oil fan clutch |
-
2019
- 2019-10-14 CN CN201921710746.6U patent/CN211573629U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761771A (en) * | 2021-01-15 | 2021-05-07 | 苏州奥沃汽车配件有限公司 | Oil return structure of positive and negative rotation dual-purpose silicone oil fan clutch |
| CN113175441A (en) * | 2021-04-26 | 2021-07-27 | 温州奕龙汽车零部件有限公司 | Oil return mechanism for electric control silicone oil pump |
| CN114251381A (en) * | 2021-12-23 | 2022-03-29 | 苏州奥沃汽车配件有限公司 | Static diversion electric control silicone oil clutch structure |
| CN114810856A (en) * | 2022-05-10 | 2022-07-29 | 潍柴动力股份有限公司 | Driving disc and silicone oil fan clutch |
| CN114810856B (en) * | 2022-05-10 | 2024-02-20 | 潍柴动力股份有限公司 | Driving disc and silicone oil fan clutch |
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