CN211175108U

CN211175108U - Small-size automatically controlled silicon oil fan clutch

Info

Publication number: CN211175108U
Application number: CN201921299575.2U
Authority: CN
Inventors: 王兆宇; 巩天传
Original assignee: Longkou Zhongyu Machinery Co ltd
Current assignee: Longkou Zhongyu Machinery Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-08-04
Anticipated expiration: 2029-08-12

Abstract

A small electric control silicone oil fan clutch belongs to the field of automobile parts. The engine oil return device comprises a front shell, a transmission disc, a rear shell, a transmission shaft and an electric control part, wherein the front shell and the rear shell are rigidly connected together, the transmission disc is arranged in a cavity formed by the rear shell of the front shell, staggered working toothed rings and a working cavity formed by the staggered working toothed rings are arranged on the end surfaces of the front shell and the transmission disc, the transmission disc is coaxially connected with the rear shell through a bearing and is connected to an engine through the transmission shaft, the electric control part is arranged between the transmission disc and the rear shell, a front oil outlet, an oil return hole and an oil storage cavity are arranged on the transmission disc, an oil return stop block is arranged on the outer edge of the transmission disc, an oil return hole is arranged at the front end of the oil return stop block, a plurality of inclined oil throwing grooves are arranged on the; the silicone oil clutch is more suitable for light commercial vehicles, the size is reduced, meanwhile, the cost is saved, the sensitivity of the silicone oil clutch is further improved, and the on-off efficiency of the oil outlet is greatly improved.

Description

Small-size automatically controlled silicon oil fan clutch

Technical Field

The utility model belongs to the technical field of the automobile parts technique and specifically relates to just a small-size automatically controlled silicon oil fan clutch.

Background

The known silicone oil fan clutch is generally a common silicone oil fan clutch, and in recent years, with the domestic implementation of the national six-state emission standard, the requirements on energy conservation and emission of automobiles are improved, and the electric control silicone oil fan clutch has been widely applied to large commercial vehicles, for example, an electric control silicone oil fan clutch disclosed by the patent number 201620724870.8 comprises a front cover (1), a rear cover (6), a driving disc (5), a flange shaft (7), an electric control solenoid assembly (8) and a control valve rod (2), wherein the front cover (1) and the rear cover (6) are rigidly connected, the driving disc (5) is positioned between the front cover (1) and the rear cover (6) and connected to the flange shaft (7), a rear cover bearing (3) is arranged between the rear cover (6) and the flange shaft (7), the flange shaft (7) is assembled on an engine, and the electric control solenoid assembly (8) is positioned at the rear side of the rear cover (6), the method is characterized in that: the oil storage device is characterized in that a working cavity ring gear (9) and an annular oil storage cavity (4) are arranged on the driving disc (5), a separating disc (10) is covered on the oil storage cavity (4), a plurality of oil guide grooves (53) are uniformly arranged in the driving disc (5) in the circumferential direction, a first oil outlet (51) is formed in the oil storage cavity (4), silicone oil (58) enters the working cavity ring gear (9) through the first oil outlet (51), an oil blocking boss (55) is arranged at a position close to the first oil outlet (51), an oil return hole (56) is communicated with the oil storage cavity (4), and the oil return hole (56) sends the silicone oil (58) back to the oil storage cavity (4) through an oil return pressure pump (57). Although the speed regulation of the fan and the reduction of the meshing time of the silicone oil clutch are realized, the electric control silicone oil fan clutch is only suitable for large commercial vehicles, the working cavity ring gear (9) shown in figure 1 is a double-sided working ring gear which is not suitable for light commercial vehicles, and the common silicone oil fan clutch is still used on the light commercial vehicles at present, so the energy-saving emission index of the light commercial vehicles is also influenced; the sensitivity of the silicone oil clutch needs to be further improved, and the opening and closing efficiency of the oil outlet hole needs to be improved.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a small-size automatically controlled silicon oil fan clutch.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a small-size automatically controlled silicon oil fan clutch, includes preceding shell, driving disc, backshell, transmission shaft, automatically controlled part, preceding shell and backshell rigid connection together, the intracavity that the shell backshell formed in the front is equipped with the driving disc, be equipped with crisscross work ring gear and the working chamber that forms on preceding shell and the driving disc terminal surface, the driving disc is through first bearing and backshell coaxial coupling to on being connected to the engine through the transmission shaft, be equipped with automatically controlled part between driving disc and backshell, the driving disc on be equipped with preceding oil outlet, oil gallery and oil storage chamber, the driving disc outer fringe is equipped with the oil return dog, the front end of oil return dog is equipped with the oil gallery, the rear end face of driving disc be equipped with many slants and get rid of the oil groove, the driving disc be close to central point and be equipped with oil circuit part.

As optimization, the front oil outlet and the oil return hole are communicated with the oil storage cavity on different circumferences.

As optimization, the oil return hole is directly communicated with the oil storage cavity.

Preferably, the oil passage component comprises an oil storage cavity and an oil storage cavity cover.

Preferably, the inclined direction of the inclined oil throwing groove is the same as the working rotating direction of the transmission disc.

Preferably, a plurality of oil guide grooves are uniformly distributed on the front end face of the transmission disc, and one oil guide groove is communicated with the rear oil outlet and the front oil outlet.

As optimization, the rear oil outlet is arranged behind the oil return stop block and is communicated with the oil storage cavity through the oil guide groove, the front oil outlet and the oil storage cavity.

Preferably, the valve plate component is formed by riveting a valve plate and a spring piece.

Preferably, the electric control part is internally provided with a Hall element, a permanent magnet, a coil and a second bearing, the coil is electrified to generate electromagnetic force to attract the valve plate, and the Hall element detects the rotating speed of the speed measuring ring.

The utility model has the advantages that: compared with the prior art, the small electric control silicon oil fan clutch 1 is more suitable for light commercial vehicles by adopting the single-sided working gear ring, reduces the volume and saves the cost; 2. the silicone oil between the transmission disc and the rear shell is thrown to the edge at the highest speed through the inclined oil throwing groove on the rear end face of the transmission disc, and then is pumped back to the oil storage cavity through the oil return stop block, so that the sensitivity of the silicone oil clutch is further improved; 3. the valve plate on the valve plate component is more convenient to close and open the oil outlet through the on-off of the coil; 4. the oil outlet, the oil return hole and the oil storage cavity are all arranged on the transmission disc, so that the whole device can run orderly.

Drawings

Fig. 1 is a schematic structural view of the small-sized electric control silicone oil fan clutch of the present invention.

Fig. 2 is a schematic view of the front end face of the transmission disc of the present invention.

Figure 3 is the rear end face schematic view of the transmission disc of the utility model.

Fig. 4 is a schematic view of the valve plate component of the present invention.

The device comprises a front shell 1, a transmission disc 2, a rear shell 3, a transmission shaft 4, an electric control part 5, a working gear ring 6, a working cavity 7, a first bearing 8, a front oil outlet 9, an oil return hole 10, an oil storage cavity 11, an oblique oil throwing groove 12, an oil guide groove 13, an oil return stop 14, an oil storage cavity cover 15, a valve plate part 16, a magnetic conduction rod 17, a speed measurement ring 18, a Hall element 5a, a permanent magnet 5b, a coil 5c, a second bearing 5d, a rear oil outlet 9a, a valve plate 16a and a spring piece 16 b.

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. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the embodiment shown in fig. 1, a small-sized electric-control silicone oil fan clutch comprises a front shell 1, a transmission disc 2, a rear shell 3, a transmission shaft 4 and an electric control part 5, wherein the front shell 1 and the rear shell 3 are rigidly connected together, the transmission disc 2 is arranged in a cavity formed by the rear shell 3 of the front shell 1, staggered working toothed rings 6 and a working cavity 7 formed by the working toothed rings are arranged on the end surfaces of the front shell 1 and the transmission disc 2, the transmission disc 2 is coaxially connected with the rear shell 3 through a first bearing 8 and is connected to an engine through the transmission shaft 4, the electric control part 5 is arranged between the transmission disc 2 and the rear shell 3, a front oil outlet 9, an oil return hole 10 and an oil storage cavity 11 are arranged on the transmission disc 2, an oil return stop block 14 is arranged on the outer edge of the transmission disc 2, an oil return hole 10 is arranged at the front end of the oil return stop block 14, a plurality of inclined oil-throwing grooves 12 are arranged on the rear, Valve plate member 16 and magnetic conducting rod 17.

As shown in fig. 1 and 2, the front oil outlet 9 and the oil return hole 10 are communicated with the oil storage chamber 11 on different circumferences; the oil return hole 10 is directly communicated with the oil storage cavity 11.

As shown in fig. 1, the oil passage member includes an oil reservoir chamber 11 and an oil reservoir chamber cover 15.

As shown in fig. 3, the inclined direction of the inclined oil slinger 12 is the same as the working rotating direction of the transmission disc 2, which is helpful for the silicone oil between the transmission disc and the rear shell to rapidly flow to the edge of the transmission disc, and shortens the separation time.

As shown in fig. 2, a plurality of oil guide grooves 13 are uniformly distributed on the front end surface of the transmission disc 2, which is helpful for the quick flow of the silicone oil and shortens the meshing time; one of the oil guide grooves 13 communicates the rear oil outlet hole 9a and the front oil outlet hole 9.

The rear oil outlet hole 9a is arranged behind the oil return stop block 14, and the rear oil outlet hole 9a is communicated with the oil storage cavity 11 through the oil guide groove 13, the front oil outlet hole 9 and the oil storage cavity.

As shown in FIG. 4, the valve plate member 16 is formed by riveting a valve plate 16a and a spring plate 16 b.

As shown in fig. 1, a hall element 5a, a permanent magnet 5b, a coil 5c and a second bearing 5d are arranged in the electronic control part 5, the coil 5c is electrified to generate electromagnetic force to attract the valve plate 16a, and the hall element 5a detects the rotating speed of the speed measuring ring 18; the ring (18) then rotates in the annular groove between the Hall element (5a) and the permanent magnet (5b) of the electronic control unit (5) for detecting the speed of the fan.

The working principle is as follows: in the above embodiment, the small-sized electronic control silicone oil fan clutch is connected to the crankshaft or belt pulley of the engine through the transmission shaft 4, the electronic control part 5 is connected to the ECU of the engine, the fan is fixed on the rear shell 3, and the ECU of the engine can send PWM signals with different duty ratios, i.e. high and low voltage signals, to the electronic control part 5 according to the water temperature, the air inlet temperature and the working state of the air conditioner; when the voltage is high, the coil 5c is electrified to generate electromagnetic force to suck the valve plate 16a and seal the front oil outlet 9, the silicone oil in the working cavity 7 can return to the oil storage cavity 11 under the action of the oil return stop block 14, and the rotating speed of the fan is gradually reduced from high speed to low speed; when the low voltage, coil 5c cuts off the power supply, and the electromagnetic force disappears, and oil outlet 9 before valve plate 16a opens under spring leaf 16 b's elasticity effect, and the silicone oil of oil storage chamber is under the effect of centrifugal force, through preceding oil outlet 9, leads oil groove 13 and is full of working chamber 7 rapidly, and the rotational speed of fan is changed into high-speed by the low-speed rapidly, plays cooling effect.

The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the product form and style of the above embodiments, any suitable changes or modifications to the small electrically controlled silicone oil fan clutch and any person of ordinary skill in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a small-size automatically controlled silicon oil fan clutch, includes preceding shell (1), driving disk (2), backshell (3), transmission shaft (4), automatically controlled part (5), preceding shell (1) and backshell (3) rigid connection be in the same place, be equipped with driving disk (2) in the intracavity that preceding shell (1) backshell (3) formed, be equipped with crisscross work ring gear (6) and working chamber (7) that form on preceding shell (1) and driving disk (2) terminal surface, driving disk (2) are through first bearing (8) and backshell (3) coaxial coupling to be connected to the engine through transmission shaft (4) on, be equipped with automatically controlled part (5), its characterized in that between driving disk (2) and backshell (3): transmission dish (2) on be equipped with preceding oil outlet (9), oil gallery (10) and oil storage chamber (11), transmission dish (2) outer fringe is equipped with oil return dog (14), the front end of oil return dog (14) is equipped with oil gallery (10), the rear end face of transmission dish (2) be equipped with many slants and get rid of oil groove (12), transmission dish (2) be close to central point and be equipped with oil circuit part, valve block part (16) and magnetic conduction pole (17).

2. The small electrically-controlled silicone oil fan clutch as claimed in claim 1, wherein: the front oil outlet (9) and the oil return hole (10) are communicated with the oil storage cavity (11) on different circumferences.

3. The small electrically-controlled silicone oil fan clutch as claimed in claim 1, wherein: the oil return hole (10) is directly communicated with the oil storage cavity (11).

4. The small electrically-controlled silicone oil fan clutch as claimed in claim 1, wherein: the oil passage component comprises an oil storage cavity (11) and an oil storage cavity cover (15).

5. The small electrically-controlled silicone oil fan clutch as claimed in claim 1, wherein: the inclined direction of the inclined oil throwing groove (12) is the same as the working rotating direction of the transmission disc (2).

6. The small electrically-controlled silicone oil fan clutch as claimed in claim 1, wherein: the transmission disc (2) preceding terminal surface equipartition have many to lead oil groove (13), one of them leads oil groove (13) and is being linked together back oil outlet (9a) and preceding oil outlet (9).

7. The small electronically controlled silicone oil fan clutch as recited in claim 6, further comprising: the back oil outlet (9a) establish the back at oil return dog (14), back oil outlet (9a) through leading oil groove (13), preceding oil outlet (9) and oil storage chamber (11) intercommunication.

8. The small electrically-controlled silicone oil fan clutch as claimed in claim 1, wherein: the valve plate component (16) is formed by riveting a valve plate (16a) and a spring piece (16 b).

9. The small electrically-controlled silicone oil fan clutch as claimed in claim 1, wherein: the electric control part (5) is internally provided with a Hall element (5a), a permanent magnet (5b), a coil (5c) and a second bearing (5d), the coil (5c) is electrified to generate electromagnetic force to attract the valve plate (16a), and the Hall element (5a) detects the rotating speed of the speed measuring ring (18).