Electromagnetic silicone oil water pump clutch and working method thereof

Abstract

An electromagnetic silicone oil water pump clutch, comprising: a water pump body, a pump shaft, an electromagnetic solenoid coil, a belt pulley, a coupling shaft sleeve, a driven disc, a spring piece, a coupling disc, a driving disc, and a silicone oil cavity shell. The pump shaft is provided at the center of the water pump body; a fixing plate is provided at one end of the water pump body; the electromagnetic solenoid coil is provided on the fixing plate; the belt pulley is provided on the water pump body; the silicone oil cavity shell is pressed and riveted on one side of the belt pulley; the coupling shaft sleeve is fixed to one end of the pump shaft; the spring piece is provided on the outer side of the coupling shaft sleeve; the coupling disc is provided on the spring piece.

Claims

1. An electromagnetic silicone oil water pump clutch, comprising: a water pump body (1), a pump shaft (2), an electromagnetic solenoid coil (3), a belt pulley (4), a coupling shaft sleeve (5), a driven disc (6), a spring piece (7), a coupling disc (8), a driving disc (9), and a silicone oil cavity shell (10), wherein the pump shaft (2) is provided at a center of the water pump body (1), a fixing plate (12) is provided at an end of the water pump body (1), the electromagnetic solenoid coil (3) is provided on the fixing plate (12), the belt pulley (4) is provided on the water pump body (1), the belt pulley (4) is connected with the water pump body (1) through a bearing, the belt pulley (4) is provided with a groove, the electromagnetic solenoid coil (3) extends into the groove of the belt pulley (4), the silicone oil cavity shell (10) is pressed and riveted on an inner side (16) of the belt pulley (4), silicone oil is provided in the silicone oil cavity shell (10), the coupling shaft sleeve (5) is fixed to an end of the pump shaft (2), the spring piece (7) is provided on an outer side of the coupling shaft sleeve (5), the coupling disc (8) is provided on the spring piece (7), the coupling shaft sleeve (5) is axially on and defined within the silicone oil cavity shell (10), the driven disc (6) is provided in the silicone oil cavity shell (10), a center of the driven disc (6) is fixed on the coupling shaft sleeve (5), the driven disc (6) has two sides, wherein a first side of the two sides is closer to the pump shaft (2) than a second side of the two sides, the driving disc (9) is provided on said second side of the driven disc (6), and the driving disc (9) is fixed to the inner side (16) of the belt pulley (4) and against the silicone oil cavity shell (10).

2. The electromagnetic silicone oil water pump clutch according to claim 1, wherein a sealing ring (11) is provided inside the silicone oil cavity shell (10), and the sealing ring (11) is matched with the coupling shaft sleeve (5) for sealing.

3. The electromagnetic silicone oil water pump clutch according to claim 1, wherein the driving disc (9) is riveted with the belt pulley (4) by pressure, and the driving disc (9) and the silicone oil cavity shell (10) form a silicone oil viscous force cavity.

4. The electromagnetic silicone oil water pump clutch according to claim 1, wherein the electromagnetic solenoid coil (3) is connectable to an automobile electronic control module (ECM) or an automobile electronic control unit (ECU).

5. The electromagnetic silicone oil water pump clutch according to claim 4, wherein: the electromagnetic solenoid coil (3) comprises an outer coil layer and an inner iron core, a magnetic conductive surface (14) is provided on an outer side (18) of the belt pulley (4), said outer side (18) of the belt pulley (4) is closer to the electromagnetic solenoid coil (3) than said inner side (16) of the belt pulley (4), and an air gap is left between the electromagnetic solenoid coil (3) and the magnetic conductive surface (14) provided on the outer side (18) of the belt pulley (4).

6. The electromagnetic silicone oil water pump clutch according to claim 1, wherein silicone oil viscous force grooves are provided on both sides of the driven disc (6).

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is a schematic diagram of the overall structure according to the present disclosure.

(2) In the figures: water pump body—1, pump shaft—2, electromagnetic solenoid coil—3, belt pulley—4, coupling shaft sleeve—5, driven disc—6, spring piece—7, coupling disc—8, driving disc—9, silicone oil cavity shell—10, sealing ring—11.

DETAILED DESCRIPTION

(3) The present disclosure will be further elucidated with reference to the drawings and specific embodiments.

Embodiment 1

(4) An electromagnetic silicone oil water pump clutch comprises a water pump body 1, a pump shaft 2, an electromagnetic solenoid coil 3, a belt pulley 4, a coupling shaft sleeve 5, a driven disc 6, a spring piece 7, a coupling disc 8, a driving disc 9, and a silicone oil cavity shell 10, wherein the pump shaft 2 is provided at the center of the water pump body 1, a fixing plate is provided at one end of the water pump body 1, the electromagnetic solenoid coil 3 is provided on the fixing plate, the belt pulley 4 is provided on the water pump body 1, the belt pulley 4 is connected with the water pump body 1 through a bearing, the belt pulley 4 is provide with a groove, the electromagnetic solenoid coil 3 extends into the groove of the belt pulley 4, the silicone oil cavity shell 10 is pressed and riveted on one side of the belt pulley 4, silicone oil is provided in the silicone oil cavity shell 10, the coupling shaft sleeve 5 is fixed to one end of the pump shaft 2, the spring piece 7 is provided on the outer side of the coupling shaft sleeve 5, the coupling disc 8 is provided on the spring piece 7, the coupling shaft sleeve 5 is provided on the silicone oil cavity shell 10, the driven disc 6 is provided in the silicone oil cavity shell 10, the center of the driven disc 6 is fixed on the coupling shaft sleeve 5, the driving disc 9 is provided on one side of the driven disc 6 far away from the pump shaft 2, and the driving disc 9 is fixed to the inner side 16 of the belt pulley 4.

(5) In this embodiment, a Z-shaped sealing ring is provided on the silicone oil cavity shell 10, and the silicone oil cavity shell 10 is sealed by the Z-shaped sealing ring.

(6) In this embodiment, a sealing ring 11 is provided inside the silicone oil cavity shell 10, and the sealing ring 11 is matched with the coupling shaft sleeve 5 for sealing.

(7) In this embodiment, the driving disc 9 is riveted with the belt pulley 4 by pressure, and the driving disc 9 and the silicone oil cavity shell 10 form a silicone oil viscous force cavity.

(8) In this embodiment, the electromagnetic solenoid coil 3 is connected with an automobile computer control module, and the automobile computer control module is essentially an automobile engine computer ECU.

(9) In this embodiment, the electromagnetic solenoid coil 3 comprises an outer coil layer and an inner iron core, a magnetic conductive surface 14 is provided on an outer side 18 of the belt pulley 4 close to the electromagnetic solenoid coil 3, and an air gap is left between the electromagnetic solenoid coil 3 and the magnetic conductive surface 14 of the belt pulley 4.

(10) In this embodiment, silicone oil viscous force grooves are provided on both sides of the driven disc 6.

(11) The working method of the electromagnetic silicone oil water pump clutch described in this embodiment comprises realizing high-speed water pump operation through electromagnetic magnetic coupling and realizing low-speed water pump operation through silicone oil viscous force transmission, wherein the working method specifically comprises the following steps:

(12) step 1: the electromagnetic solenoid coil 3 is electrified, the electromagnetic solenoid coil 3 generates a magnetic force to adsorb a coupling disc 8, a belt pulley 4 where the electromagnetic solenoid coil 3 is located is rigidly connected with a pump shaft 2 where the coupling disc 8 is located, and the belt pulley 4 drives the pump shaft to rotate at a high speed through the coupling disc 8;

(13) step 2: the electromagnetic solenoid coil 3 is not electrified, the electromagnetic solenoid coil 3 is not coupled with the coupling disc 8, the driving disc 9 riveted on the belt pulley 4 drives the silicone oil in the silicone oil cavity shell 10 to operate at a high speed, the silicone oil flows into the silicone oil viscous force grooves of the driving disc 9 and the driven disc 6 under the action of centrifugal force, the silicone oil drives the driven disk 6 to move through its own viscosity, the driven disc 6 follows the belt pulley 4 to make follow-up rotation, and the driven disc 6 drives the pump shaft to rotate.

(14) The step 1 and the step 2 are in no particular order.

Embodiment 2

(15) An electromagnetic silicone oil water pump clutch as shown in FIG. 1 comprises a water pump body 1, a pump shaft 2, an electromagnetic solenoid coil 3, a belt pulley 4, a coupling shaft sleeve 5, a driven disc 6, a spring piece 7, a coupling disc 8, a driving disc 9, and a silicone oil cavity shell 10, wherein the pump shaft 2 is provided at the center of the water pump body 1, a fixing plate 12 is provided at one end of the water pump body 1, the electromagnetic solenoid coil 3 is provided on the fixing plate 12, the belt pulley 4 is provided on the water pump body 1, the belt pulley 4 is connected with the water pump body 1 through a bearing, the belt pulley 4 is provide with a groove, the electromagnetic solenoid coil 3 extends into the groove of the belt pulley 4, the silicone oil cavity shell 10 is pressed and riveted on one side of the belt pulley 4, silicone oil is provided in the silicone oil cavity shell 10, the coupling shaft sleeve 5 is fixed to one end of the pump shaft 2, the spring piece 7 is provided on the outer side of the coupling shaft sleeve 5, the coupling disc 8 is provided on the spring piece 7, the coupling shaft sleeve 5 is provided on the silicone oil cavity shell 10, the driven disc 6 is provided in the silicone oil cavity shell 10, the center of the driven disc 6 is fixed on the coupling shaft sleeve 5, the driving disc 9 is provided on one side of the driven disc 6 far away from the pump shaft 2, and the driving disc 9 is fixed to the inner side 16 of the belt pulley 4.

(16) The above is only the preferred embodiment of the present disclosure. It should be pointed out that for those skilled in the art, several improvements can be made without departing from the principle of the present disclosure, and these improvements should also be regarded as the protection scope of the present disclosure.