CN213235206U - Silicone oil clutch, engine and automobile - Google Patents

Abstract

The utility model provides a silicon oil clutch, engine and car relates to car technical field. The silicone oil clutch comprises a driving shaft, a driving disc and a driven disc assembly, wherein the driving shaft is used for driving the driving disc to rotate, a bulge is arranged on the driving disc, a groove matched with the bulge is arranged on the driven disc assembly, the driving disc and the driven disc assembly are embedded through the bulge and the groove to form a labyrinth oil passage for silicone oil to diffuse, the bulge comprises a plurality of sub-bulges, each sub-bulge comprises a first end and a second end, and the cross section area of each sub-bulge is gradually increased from the first end to the second end; the engine comprises a fan bracket and a silicone oil clutch; the vehicle includes an engine. The utility model provides a silicon oil clutch, engine and car, through sub bellied cross sectional area by first end to the second end crescent for silicon oil diffuses fast in the maze oil duct, has abandoned prior art silicon oil to diffuse in rectangle maze recess, thereby has shortened drive plate and driven plate subassembly meshing time.

Description

Silicone oil clutch, engine and automobile

Technical Field

The utility model relates to the technical field of automobiles, especially, relate to a silicon oil clutch, engine and car.

Background

The silicone oil clutch comprises a metal temperature sensing sheet, a driving disc and a driven disc. The silicone oil clutch utilizes the high viscosity characteristic of silicone oil to transmit torque. The silicone oil clutch controls the separation and the engagement of the driving disk and the driven disk through the metal temperature sensing sheet. When the outside temperature is lower, the driving disc is separated from the driven disc, and the rotating speed of the fan is lower; when the outside temperature is higher, the driving disc is meshed with the driven disc, and the fan and the belt pulley rotate together to play a role in adjusting the temperature of the engine.

In the prior art, silicone oil is diffused between a driving disc and a driven disc through a rectangular labyrinth groove.

However, when the silicone oil clutch is engaged and started, the engagement time of the driving disk and the driven disk is too long.

SUMMERY OF THE UTILITY MODEL

The utility model provides a silicon oil clutch, engine and car to there is the problem of initiative dish and driven plate meshing time overlength when solving the silicon oil clutch meshing and starting.

In one aspect, the utility model provides a silicon oil clutch, include: the driving shaft, the driving disc and the driven disc assembly;

the driving shaft is used for driving the driving disc to rotate;

the driving disc is circular, a bulge is arranged on the driving disc, a groove matched with the bulge is arranged on the driven disc component, and the driving disc and the driven disc component are embedded through the bulge and the groove to form a labyrinth oil passage for silicone oil diffusion;

the protrusion comprises a plurality of sub-protrusions, each sub-protrusion comprises a first end and a second end, and the cross-sectional area of each sub-protrusion gradually increases from the first end to the second end.

Optionally, the driving disc further includes a driving circumferential oil passage disposed on an outer side of the protrusion, the driven disc assembly further includes a driven circumferential oil passage disposed on an outer side of the groove, the driving circumferential oil passage is disposed in a full circle in the circumferential direction, and the driven circumferential oil passage is partially disposed in the circumferential direction;

the driving circumferential oil passage and the driven circumferential oil passage are matched to form an oil return passage.

Optionally, a driving radial oil passage is further arranged on the driving disc, a driven radial oil passage is arranged on the driven disc assembly, and the driving radial oil passage and the driven radial oil passage are arranged along the radial direction of the driving disc;

the driving radial oil passage and the driven radial oil passage are matched to form a radial passage, and the radial passage penetrates through the labyrinth oil passage and is communicated with the oil return passage.

Optionally, the number of the driving radial oil passages is multiple, and the multiple driving radial oil passages are arranged on the driving disk at intervals.

Optionally, the driven disc assembly comprises a housing and a driven disc, an oil inlet and an oil return hole are formed in the driven disc, and an oil storage cavity is defined by the housing and the driven disc;

the oil inlet hole is formed in the inner side of the groove and used for enabling the oil storage cavity, the labyrinth oil passage and the radial passage to be communicated; the oil inlet hole is communicated with the end part of the driven circumferential oil channel, and the oil return hole is used for communicating the oil storage cavity with the oil return channel.

Optionally, the driven plate subassembly still includes bimetal temperature sensing piece, valve block and valve block axle, bimetal temperature sensing piece with pass through between the valve block axle connection, bimetal temperature sensing piece installs on the casing, the valve block butt is in on the driven plate, so that bimetal temperature sensing piece is according to temperature control the valve block is opened or is closed the inlet port.

Optionally, the driving shaft is connected with the driven disc assembly through a bearing.

Optionally, the sub-protrusions have a trapezoidal cross section in a vertical cross section parallel to the axis of the driving disk.

On the other hand, the utility model also provides an engine, including fan bracket and above-mentioned any one the silicon oil clutch;

the silicone oil clutch is detachably mounted on the fan bracket.

In another aspect, the present invention also provides an automobile, including the engine described above.

The utility model provides a silicon oil clutch, engine and car, including driving shaft, driving disk and driven disk subassembly; the driving shaft is used for driving the driving disc to rotate; the driving disc is circular, a bulge is arranged on the driving disc, a groove matched with the bulge is arranged on the driven disc component, and the driving disc and the driven disc component are embedded through the bulge and the groove to form a labyrinth oil passage for silicone oil diffusion; the protrusion comprises a plurality of sub-protrusions, each sub-protrusion comprises a first end and a second end, and the cross-sectional area of each sub-protrusion gradually increases from the first end to the second end. The utility model provides a silicon oil clutch, engine and car is held crescent to the second through sub bellied cross sectional area for silicon oil diffuses fast in the maze oil duct, has abandoned prior art silicon oil to diffuse in rectangle maze recess, thereby has shortened the meshing time of initiative dish and driven plate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a silicone oil clutch provided by the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic structural view of the driving disk of FIG. 1;

FIG. 4 is a schematic view of a portion of the enlarged structure at B in FIG. 3;

fig. 5 is a schematic structural view of the driven disk of fig. 1.

Description of reference numerals:

1-silicone oil clutch;

10-driving shaft;

20-a driving disc;

21-bulge;

211-sub-protrusions;

2111-first end;

2112-second end;

22-a driving circumferential oil passage;

23-a driving radial oil passage;

30-a driven disc assembly;

301-a housing;

302-a driven disc;

3021-oil inlet hole;

3022-oil return hole;

303-bimetal temperature sensing piece;

304-a valve plate;

305-a valve flap shaft;

31-a groove;

32-driven circumferential oil gallery;

33-driven radial oil gallery;

34-an oil storage chamber;

40-labyrinth oil passage.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description above, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The silicone oil clutch comprises a metal temperature sensing sheet, a driving disc and a driven disc. The silicone oil clutch utilizes the high viscosity characteristic of silicone oil to transmit torque. The silicone oil clutch controls the separation and the engagement of the driving disk and the driven disk through the metal temperature sensing sheet. When the outside temperature is lower, the driving disc is separated from the driven disc, and the rotating speed of the fan is lower; when the outside temperature is higher, the driving disc is meshed with the driven disc, and the fan and the belt pulley rotate together to play a role in adjusting the temperature of the engine. In the prior art, silicone oil is diffused between a driving disc and a driven disc through a rectangular labyrinth groove. However, when the silicone oil clutch is engaged and started, the engagement time of the driving disk and the driven disk is too long.

In order to solve the problem, the utility model provides a silicon oil clutch, engine and car is held crescent to the second through sub bellied cross sectional area for silicon oil diffuses fast in the maze oil duct, has abandoned prior art silicon oil to diffuse in rectangle maze recess, thereby has shortened the meshing time of driving disc and driven disc subassembly.

The silicone oil clutch, the engine, and the automobile provided by the present invention will be described in detail with reference to the following embodiments.

Fig. 1 is a schematic structural diagram of a silicone oil clutch provided by the present invention; FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1; FIG. 3 is a schematic structural view of the driving disk of FIG. 1; FIG. 4 is a schematic view of a portion of the enlarged structure at B in FIG. 3; fig. 5 is a schematic structural view of the driven disk of fig. 1.

As shown in fig. 1 to 5, the present invention provides a silicone oil clutch 1, which comprises a driving shaft 10, a driving disk 20 and a driven disk assembly 30; the driving shaft 10 is used for driving the driving disc 20 to rotate; the driving disc 20 is circular, a protrusion 21 is arranged on the driving disc 20, a groove 31 matched with the protrusion 21 is arranged on the driven disc assembly 30, and the driving disc 20 and the driven disc assembly 30 are embedded through the protrusion 21 and the groove 31 to form a labyrinth oil passage 40 for silicone oil to diffuse; the protrusion 21 includes a plurality of sub-protrusions 211, the sub-protrusions 211 include a first end 2111 and a second end 2112, and the cross-sectional area of the sub-protrusions 211 gradually increases from the first end 2111 to the second end 2112.

Wherein, a preset distance is arranged between the driving disc 20 and the driven disc assembly 30, so that the protrusion 21 and the groove 31 are embedded to form a labyrinth oil passage 40 for silicone oil diffusion. Since the cross-sectional area of the sub-protrusion 211 of the protrusion 21 is gradually increased from the first end 2111 to the second end 2112, the silicone oil is rapidly diffused in the labyrinth oil passage 40, and the driving disk 20 drives the driven disk assembly 30 to rotate by using the viscosity of the silicone oil, thereby shortening the engaging time of the driving disk 20 and the driven disk assembly 30.

The driving shaft 10 is flange-mounted on a fan bracket of the engine, and the driven disc assembly 30 is connected with the fan. The engine provides driving force to the fan bracket and the silicone oil clutch 1 through a belt.

The fan is installed between the engine and the radiator. When the fan rotates, high-speed airflow is generated to take away heat of cooling liquid in the radiator, and the purpose of radiating the engine is achieved.

The driven plate assembly 30 is provided with an oil reservoir chamber 34, an oil inlet hole 3021, and an oil return hole 3022. When the temperature of the cooling liquid in the radiator rises, the silicone oil clutch 1 is engaged and started, and the silicone oil in the oil storage cavity 34 of the driven plate assembly 30 enters the labyrinth oil passage 40 through the oil inlet hole and then enters the oil storage cavity 34 through the oil return hole 3022, so that the silicone oil circulates in the silicone oil clutch 1. Because the cross-sectional area of the sub-protrusion 211 of the protrusion 21 is gradually increased from the first end 2111 to the second end 2112, the silicone oil is rapidly diffused in the labyrinth oil passage 40, and for the rectangular labyrinth groove, the utility model provides a labyrinth oil passage 40 shortens the engagement time of the driving disk 20 and the driven disk assembly 30. Still further, the utility model provides a labyrinth oil duct 40 has still improved the response speed to the temperature variation of coolant liquid when having shortened the meshing time of driving disc 20 with driven disc subassembly 30, is favorable to reducing the fuel consumption of automobile.

It should also be noted that the silicone oil diffuses rapidly in the labyrinth oil passage 40, which increases the circulation rate of the silicone oil, thereby facilitating the control of the temperature of the silicone oil, avoiding the overheating failure of local silicone oil, and thus prolonging the service life of the silicone oil.

The utility model provides a silicon oil clutch 1, cross sectional area through sub-arch 211 is crescent to second end 2112 by first end 2111 for silicon oil diffuses fast in maze oil duct 40, thereby has shortened the meshing time of driving plate 20 and driven plate subassembly 30.

Optionally, the driving disk 20 further includes a driving circumferential oil passage 22 disposed outside the protrusion 21, the driven disk assembly 30 further includes a driven circumferential oil passage 32 disposed outside the groove 31, the driving circumferential oil passage 22 is disposed in a complete circle in the circumferential direction, and the driven circumferential oil passage 32 is partially disposed in the circumferential direction; the driving circumferential oil passage 22 cooperates with the driven circumferential oil passage 32 to form an oil return passage.

In order to quickly return the silicone oil from the oil return hole 3022 to the oil storage chamber 34 after passing through the labyrinth oil passage 40, the driven circumferential oil passage 32 is partially provided in the circumferential direction, and the oil return hole 3022 is located at the terminating end of the driven circumferential oil passage 32. The terminal end of the driven circumferential oil passage 32 is an end at which the driven circumferential oil passage 32 is terminated in the rotation direction of the driving disk 20.

It should be noted that the driven circumferential oil passage 32 is partially provided in the circumferential direction, which avoids providing a stopper in the front side of the oil return hole 3022 in the prior art, thereby facilitating the processing of the driven disc assembly 30. Also, the oil return passage may allow the silicone oil to flow quickly along the oil return passage to the oil return hole 3022.

Optionally, the driving disk 20 is further provided with a driving radial oil passage 23, the driven disk assembly 30 is provided with a driven radial oil passage 33, and the driving radial oil passage 23 and the driven radial oil passage 33 are arranged along the radial direction of the driving disk; the driving radial oil passage 23 and the driven radial oil passage 33 constitute a radial passage, and the radial passage passes through the labyrinth oil passage 40 to communicate with the oil return passage.

In order to further accelerate the rapid diffusion of the silicone oil in the labyrinth oil passage 40 and improve the oil return efficiency of the silicone oil clutch 1, the silicone oil enters between the driving disk 20 and the driven disk assembly 30 from the oil inlet port 3021, flows from the labyrinth oil passage 40 to the oil return passage, and flows to the labyrinth oil passage 40 and the oil return passage through the radial passage, so that the engagement time of the driving disk 20 and the driven disk assembly 30 is further shortened.

The number of the driving radial oil passages 23 may be multiple, and the multiple driving radial oil passages 23 are arranged on the driving disk 20 at intervals; the driven radial oil passage 33 may be plural, and the plural driven radial oil passages 33 are provided at intervals on the driven disc assembly 30.

In an alternative embodiment, there are three driving radial oil passages 23, and the three driving radial oil passages 23 are spaced on the driving disk 20; the driven circumferential oil passage 32 is partially provided in the circumferential direction, two driven radial oil passages 33 are provided at intervals on the driven disc assembly 30, the starting end of the driven circumferential oil passage 32 communicates with the oil return hole 3022, the terminating end of the driven circumferential oil passage 32 communicates with one driven radial oil passage 33, and the intermediate position of the driven circumferential oil passage 32 communicates with the other driven radial oil passage 33. The starting end of the dynamic circumferential oil passage 32 is an end from the dynamic circumferential oil passage 32 in the rotation direction of the driving disk 20.

Optionally, the driven disc assembly 30 includes a housing 301 and a driven disc 302, the driven disc 302 is provided with an oil inlet hole 3021 and an oil return hole 3022, and the housing 301 and the driven disc 302 enclose an oil storage cavity 34; an oil inlet hole 3021 is provided inside the groove 31, the oil inlet hole 3021 being used to communicate the oil storage chamber 34, the labyrinth oil passage 40, and the radial passage; the oil inlet hole 3021 communicates with the end portion of the driven circumferential oil passage 32, and the oil return hole 3022 is used to communicate the oil reservoir chamber 34 with the oil return passage.

In order to facilitate installation and maintenance of the silicone oil clutch 1, the housing 301 and the driven plate 302 are connected together by bolts. In other implementations, the housing 301 and the driven plate 302 may be connected together by welding, and the present invention is not specifically configured here.

The sub-protrusion 211 of the driving disk 20 may have a trapezoidal section in a vertical section parallel to the axis of the driving disk 20. The groove 31 on the driven plate 302 is composed of a plurality of sub-grooves, and the sub-grooves are matched with the sub-protrusions 211, so that the labyrinth oil passages 40 form a trapezoidal labyrinth oil passage.

Note that the axis of the driving disk 20 is in a vertical section.

In an alternative embodiment, when the engagement of the silicone oil clutch 1 is started when the engine temperature rises, the silicone oil in the oil storage chamber 34 enters the labyrinth oil passage 40 and the radial passage through the oil inlet hole 3021 and then enters the oil storage chamber 34 through the oil return passage and the oil return hole 3022, so that the silicone oil circulates in the silicone oil clutch 1.

It should be noted that the sub-protrusions 211 of the driving disk 20 may also be zigzag, S-shaped, etc. in the vertical cross section parallel to the axis of the driving disk 20, and the present invention is not specifically configured here.

Optionally, the driven disc assembly 30 further includes a bimetal temperature sensing piece 303, a valve piece 304 and a valve piece shaft 305, the bimetal temperature sensing piece 303 and the valve piece 304 are connected through the valve piece shaft 305, the bimetal temperature sensing piece 303 is mounted on the housing 301, and the valve piece 304 abuts against the driven disc 302, so that the bimetal temperature sensing piece 303 controls the valve piece 304 to open or close the oil inlet according to the temperature.

Wherein the silicone oil clutch 1 is mounted on a fan bracket of the engine through a driving shaft 10 and connected with a fan through a driven plate assembly 30. In order to increase the fan response speed, a bimetal thermal sensing piece 303 is mounted on the housing 301.

In an alternative embodiment, when the temperature of the coolant in the radiator is low, for example, below 60 degrees, the oil inlet port 3021 is in a closed state, and the inside of the labyrinth oil passage 40 is free from silicone oil; when the temperature of the cooling liquid in the radiator is higher, the bimetallic temperature sensing piece 303 drives the valve piece shaft 305 to rotate, the oil inlet hole 3021 is opened, the silicone oil enters the labyrinth oil passage 40 and the radial passage, the driving disc 20 drives the driven disc 302 and the shell 301 to rotate by using the viscosity of the silicone oil, the rotating speed of the fan is rapidly increased, and the cooling effect is achieved.

It should be noted that the driving shaft 10 is connected with the driven disc assembly 30 through a bearing. Specifically, the bearing is installed between the driving shaft 10 and the housing 301.

The utility model also provides an engine, which comprises a fan bracket and a silicon oil clutch 1; the silicone oil clutch 1 is detachably mounted on the fan bracket.

Wherein, the utility model provides a structure of silicon oil clutch 1 in the engine with above the structure of silicon oil clutch the same to can bring the same or similar technological effect, no longer give unnecessary details here.

The utility model also provides an automobile, including the engine.

Wherein, the utility model provides an engine in car's structure with above the structure of engine the same to can bring the same or similar technological effect, no longer give unnecessary details here.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A silicone oil clutch, comprising: the driving shaft, the driving disc and the driven disc assembly;

the driving shaft is used for driving the driving disc to rotate;

the driving disc is circular, a bulge is arranged on the driving disc, a groove matched with the bulge is arranged on the driven disc component, and the driving disc and the driven disc component are embedded through the bulge and the groove to form a labyrinth oil passage for silicone oil diffusion;

the protrusion comprises a plurality of sub-protrusions, each sub-protrusion comprises a first end and a second end, and the cross-sectional area of each sub-protrusion gradually increases from the first end to the second end.

2. The silicone oil clutch according to claim 1, wherein the driving disk further includes a driving circumferential oil passage provided on an outer side of the protrusion, the driven disk assembly further includes a driven circumferential oil passage provided on an outer side of the groove, the driving circumferential oil passage is provided in a circumferential direction over a full circle, and the driven circumferential oil passage is provided in a circumferential direction partially;

the driving circumferential oil passage and the driven circumferential oil passage are matched to form an oil return passage.

3. The silicone oil clutch according to claim 2, wherein the driving disc is further provided with a driving radial oil passage, the driven disc assembly is provided with a driven radial oil passage, and the driving radial oil passage and the driven radial oil passage are arranged in a radial direction of the driving disc;

the driving radial oil passage and the driven radial oil passage form a radial passage, and the radial passage penetrates through the labyrinth oil passage to be communicated with the oil return passage.

4. The silicone oil clutch according to claim 3, wherein the number of the driving radial oil passages is plural, and the plural driving radial oil passages are provided at intervals on the driving disk.

5. The silicone oil clutch according to claim 4, wherein the driven disc assembly comprises a housing and a driven disc, an oil inlet and an oil return hole are formed in the driven disc, and an oil storage cavity is defined by the housing and the driven disc;

the oil inlet hole is formed in the inner side of the groove and used for enabling the oil storage cavity, the labyrinth oil passage and the radial passage to be communicated; the oil inlet hole is communicated with the end part of the driven circumferential oil channel, and the oil return hole is used for communicating the oil storage cavity with the oil return channel.

6. The silicone oil clutch of claim 5, wherein the driven disc assembly further comprises a bimetal temperature sensing piece, a valve plate and a valve plate shaft, the bimetal temperature sensing piece and the valve plate are connected through the valve plate shaft, the bimetal temperature sensing piece is mounted on the shell, and the valve plate abuts against the driven disc, so that the bimetal temperature sensing piece controls the valve plate to open or close the oil inlet according to temperature.

7. The silicone oil clutch as set forth in any one of claims 1 to 6, wherein the connection between the driving shaft and the driven disc assembly is via a bearing.

8. The silicone oil clutch according to any one of claims 1 to 6, wherein the sub-protrusions have a trapezoidal cross section in a vertical cross section parallel to the axis of the driving disk.

9. An engine, characterized by comprising a fan bracket and a silicone oil clutch according to any one of claims 1 to 8;

the silicone oil clutch is detachably mounted on the fan bracket.

10. An automobile comprising the engine of claim 9.

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