CN210196307U - Multifunctional water pump electromagnetic clutch for automobile - Google Patents

Abstract

The utility model provides a multi-functional water pump electromagnetic clutch for car belongs to electromagnetic clutch technical field. It has solved the unreasonable problem of current water pump electromagnetic clutch structural design. This multi-functional water pump electromagnetic clutch for car, including water pump seat, electromagnetic structure, belt pulley, wheel hub, driving pulley and pivot, the outside of water pump seat is located to belt pulley and driving pulley cover, the electromagnetic structure set up in the belt pulley and with water pump seat fixed connection, wheel hub set up in the driving pulley and with driving pulley fixed connection, the pivot passes water pump seat and stretches out the one end and the wheel hub connection in water pump seat. The multifunctional water pump electromagnetic clutch for the automobile is compact in integral connection structure and reliable and stable in connection mode. Can effectively reduce the work energy consumption, set up the amortization stopper in driving band pulley department, the shock attenuation is effectual when driving band pulley and belt pulley connection, and the noise is little.

Description

Multifunctional water pump electromagnetic clutch for automobile

Technical Field

The utility model belongs to the technical field of electromagnetic clutch, a multi-functional water pump electromagnetic clutch for car is related to.

Background

The electromagnetic clutch controls engagement and disengagement of the clutch by turning on and off a coil. Electromagnetic clutches can be divided into: dry single-disc electromagnetic clutches, dry multi-disc electromagnetic clutches, wet multi-disc electromagnetic clutches, magnetic powder clutches, slip electromagnetic clutches, and the like.

The compactness of the whole structure is ensured by the reed in the driving disc of the electromagnetic clutch, and the traditional reed assembling structure is connected by a single bolt or a plurality of bolts. The connection mode has low connection strength, an assembly structure is not compact enough, and the service life is shorter.

In addition, reduce the noise of driving-disc through multiple shock-absorbing structure in electromagnetic clutch's the driving-disc, traditional shock-absorbing structure is through setting up the amortization stopper on the reed, through amortization stopper realize in the driving-disc connect with absorbing function, this structure shock attenuation effect is poor, the noise is big, connect unstablely, the driving piece fragile.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a multi-functional water pump electromagnetic clutch for car.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a multi-functional water pump electromagnetic clutch for car, includes water pump seat, electromagnetic structure, belt pulley, wheel hub, driving pulley and pivot, the outside of water pump seat is located to belt pulley and driving pulley cover, the electromagnetic structure set up in the belt pulley and with water pump seat fixed connection, wheel hub set up in the driving pulley and with driving pulley fixed connection, the pivot passes water pump seat and stretches out the one end and the wheel hub connection in the water pump seat, and when the electromagnetic structure was in not the on-state, the driving pulley had the trend of keeping the separation with the belt pulley, and when the electromagnetic structure was in the on-state, foretell driving pulley and belt pulley connection.

In foretell multi-functional water pump electromagnetic clutch for car, the belt pulley is including being the annular contact disc of circle, one side that the drive pulley was kept away from to the belt pulley is equipped with annular outer wall and the annular inner wall that the concentric circles set up.

In the above electromagnetic clutch for the automotive multifunctional water pump, the electromagnetic structure comprises a connecting column, a coil and a connecting sheet connected with the water pump seat, wherein the coil is wound on the annular inner side wall and is connected with the contact disc.

In foretell multifunctional water pump electromagnetic clutch for car, driving pulley is including being annular sucking disc, reed, amortization stopper and sleeve, the reed sets up in one side of sucking disc and is the circumference and distributes, is equipped with reed package assembly between reed and sucking disc, the sleeve sets up and telescopic one end and reed fixed connection with the sucking disc with the centre of a circle, the amortization stopper sets up between sucking disc and sleeve and is the circumference and distributes, the one end butt of amortization stopper is on the sucking disc, and other end elasticity is pegged graft in the sleeve.

In foretell multifunctional water pump electromagnetic clutch for car, reed package assembly includes be equipped with the three arc bar hole that runs through sucking disc thickness direction and be the circumference and distribute on the sucking disc, the middle part in arc bar hole is equipped with the hole of stepping down with arc bar hole intercommunication, the downthehole rivet that is equipped with of stepping down, the rivet pass reed and sleeve in proper order and respectively with reed and sleeve fixed connection, one side that the sucking disc is connected with the reed still is equipped with the three circumference and distributes and to one side convex location boss, the other end and adjacent location boss fixed connection.

In the above multifunctional electromagnetic pump clutch for an automobile, the spring plate is in a straight strip shape, and two ends of the spring plate are respectively provided with a connecting hole for the rivet and the positioning boss to pass through.

In foretell multifunctional water pump electromagnetic clutch for car, the sleeve includes that radial cross-section is the annular connecting portion of U-shaped and opening orientation one side of keeping away from the sucking disc to and set up in the annular connecting portion keep away from the one end of sucking disc and with annular connecting portion circumference inner wall connection's sealing, wheel hub set up in annular connecting portion the inboard and with the sealing between be equipped with fastening connection structure.

In foretell multi-functional water pump electromagnetic clutch for car, fastening connection structure is including setting up the through-hole on the sealing, fastening bolt and setting up the screw on wheel hub, fastening bolt passes the through-hole and with screw threaded connection.

In the multifunctional electromagnetic pump clutch for the automobile, the silencing plug comprises a limiting convex shoulder with one end abutting against the sucking disc and a column body with one end elastically inserted into the annular connecting part, and the annular connecting part is provided with an insertion hole for the column body to penetrate through.

In the multifunctional electromagnetic pump clutch for the automobile, a limiting bump for preventing the cylinder from reversely separating from the plug hole is arranged at one end of the cylinder, which is far away from the limiting convex shoulder.

In the above multifunctional water pump electromagnetic clutch for the automobile, the limiting convex block is in a conical shape or a circular truncated cone shape, and one end of the limiting convex block, which is far away from the cylinder, is gradually enlarged towards the outer diameter of the cylinder.

In the electromagnetic clutch of the multifunctional water pump for the automobile, the thickness of the limiting convex shoulder is greater than or equal to that of the reed.

Compared with the prior art, this multi-functional water pump electromagnetic clutch for car has following several advantage:

1. this multi-functional water pump electromagnetic clutch for car simple structure can effectively reduce the work energy consumption.

2. This multi-functional water pump electromagnetic clutch driving band pulley department for car sets up the amortization stopper, and the shock attenuation is effectual when driving band pulley and belt pulley connection, and the noise is little.

3. The multifunctional water pump electromagnetic clutch for the automobile is compact in integral connection structure and reliable and stable in connection mode.

Drawings

Fig. 1 is an exploded view of an electromagnetic clutch of a multifunctional water pump for an automobile.

Fig. 2 is a sectional view of the electromagnetic clutch of the multifunctional water pump for the automobile.

Fig. 3 is a cross-sectional view of the drive pulley.

Fig. 4 is an exploded view of the drive pulley.

Figure 5 is a schematic view of a reed assembly.

Fig. 6 is a schematic view of a silencer plug.

In the figure, 1, a water pump seat; 2. an electromagnetic structure; 21. connecting columns; 22. a coil; 23. connecting sheets; 3. a belt pulley; 31. a contact pad; 32. an annular outer wall; 33. an annular inner wall; 4. a hub; 41. fastening a bolt; 42. a screw hole; 5. a drive pulley; 51. a suction cup; 511. a hole of abdication; 52. a reed; 53. riveting; 54. a silencing plug; 541. a limiting convex shoulder; 542. a cylinder; 543. a limiting bump; 55. a sleeve; 551. an annular connecting portion; 552. a closing part; 553. inserting holes; 554. riveting holes; 555. a through hole; 6. a rotating shaft.

Detailed Description

As shown in fig. 1-2, a multifunctional electromagnetic clutch for water pump for automobile, includes a water pump seat 1, an electromagnetic structure 2, a belt pulley 3, a hub 4, a driving pulley 5 and a rotating shaft 6, the belt pulley 3 and the driving pulley 5 are sleeved outside the water pump seat 1, the electromagnetic structure 2 is disposed in the belt pulley 3 and fixedly connected with the water pump seat 1, the hub 4 is disposed in the driving pulley 5 and fixedly connected with the driving pulley 5, the rotating shaft 6 penetrates through the water pump seat 1 and is connected with the hub 4 at an end extending out of the water pump seat 1, when the electromagnetic structure 2 is in a non-energized state, the driving pulley 5 has a tendency of being separated from the belt pulley 3, and when the electromagnetic structure 2 is in an energized state, the driving pulley 5 is connected with the belt pulley 3.

The belt pulley 3 is connected with a power source, and the rotating shaft 6 is connected with a water pump.

The belt pulley 3 comprises a circular contact disc 31, and one side of the belt pulley 3, which is far away from the driving belt pulley 5, is provided with a circular outer wall 32 and a circular inner wall 33 which are concentrically arranged.

The electromagnetic structure 2 comprises a connecting column 21, a coil 22 and a connecting sheet 23 connected with the water pump seat 1, wherein the coil 22 is wound on the annular inner side wall, and the coil 22 is connected with the contact disc 31.

As will be understood by those skilled in the art, the power source drives the pulley 3 to rotate, the coil 22 generates a current, and when the current intensity reaches a set value, the electromagnetic structure 2 generates an attraction force on the driving pulley 5 until the driving pulley 5 is coupled with the pulley 3. The working energy consumption is effectively reduced by setting the movement time difference between the starting belt pulley 3 and the driving belt pulley 5.

As shown in fig. 3-4, the driving pulley 5 includes a circular suction cup 51, a spring 52, a noise reduction plug 54 and a sleeve 55, the spring 52 is disposed on one side of the suction cup 51 and is circumferentially distributed, an assembly structure of the spring 52 is disposed between the spring 52 and the suction cup 51, the sleeve 55 is concentrically disposed with the suction cup 51, one end of the sleeve 55 is fixedly connected to the spring 52, the noise reduction plug 54 is disposed between the suction cup 51 and the sleeve 55 and is circumferentially distributed, one end of the noise reduction plug 54 abuts against the suction cup 51, and the other end of the noise reduction plug is elastically inserted into the sleeve 55.

When the driving belt wheel 5 is connected with the belt wheel 3, the sucking disc 51 is tightly attached to the contact disc 31, namely the belt wheel 3 drives the driving belt wheel 5 to rotate, and finally the purpose of driving the water pump rotating shaft 6 to rotate is achieved.

The silencing plug 54 is arranged between the suction cup 51 and the sleeve 55, gives buffering capacity between the suction cup and the sleeve, has good damping effect, and reduces generated noise.

The reed 52 is in a straight strip shape, the silencing plug 54 is positioned at the midpoint of a connecting line of the end parts of the adjacent reeds 52, one end of the silencing plug 54 is abutted against the suction cup 51, and the other end of the silencing plug is elastically inserted into the sleeve 55.

The structure well ensures the support of the silencing plug 54 and simultaneously enhances the damping effect.

The noise dampening plug 544 includes any one of a rubber noise dampening plug 544 and a soft plastic noise dampening plug 544.

The silencing plug 544 is made of rubber or soft plastic, so that the silencing plug 544 has elastic deformation performance while the structural compactness of the silencing plug 544 is ensured. The structure has better shock absorption performance, and reduces noise generated by contact between electromagnetic clutch components.

As shown in fig. 5, reed 52 package assembly includes be equipped with three arc bar hole that runs through sucking disc 51 thickness direction and be the circumference and distribute on sucking disc 51, the middle part in arc bar hole is equipped with the hole of stepping down 511 with arc bar hole intercommunication, be equipped with rivet 53 in the hole of stepping down 511, rivet 53 passes reed 52 and sleeve 55 in proper order and respectively with reed 52 and sleeve 55 fixed connection, be equipped with the rivet hole 554 that supplies above-mentioned rivet 53 to pass on the sleeve 55, one side that sucking disc 51 is connected with reed 52 still is equipped with three and is the circumference and distribute and to one side convex location boss, the other end and adjacent location boss fixed connection.

Through the rivet 53 and the two-point riveting of the suction cup 51 with the positioning boss, the whole connecting strength of the reed 52 assembling structure is high, and the structure is more compact and stable.

The spring plate 52 is in a straight strip shape, and two ends of the spring plate 52 are respectively provided with a connecting hole for the rivet 53 and the positioning boss to pass through.

The sleeve 55 includes an annular connecting portion 551 with a U-shaped radial cross section and an opening facing a side far away from the suction cup 51, and a sealing portion 552 disposed at an end of the annular connecting portion 551 far away from the suction cup 51 and connected to a circumferential inner wall of the annular connecting portion 551, wherein the hub 4 is disposed inside the annular connecting portion 551 and provided with a fastening connection structure with the sealing portion 552.

This structural strength is more stable and connect the face wider, and the part is connected and is influenced less each other.

As shown in fig. 2, the fastening connection structure includes a through hole 555 provided on the closing portion 552, a fastening bolt 41, and a screw hole 42 provided on the hub 4, the fastening bolt 41 passing through the through hole 555 and being screwed with the screw hole 42.

As shown in fig. 6, the silencing plug 54 includes a limiting shoulder 541 having one end abutting against the suction cup 51, and a column 542 having one end elastically inserted into the annular connecting portion 551, and the annular connecting portion 551 is provided with an insertion hole 553 for the column 542 to pass through.

One end of the column 542 far away from the limiting shoulder 541 is provided with a limiting projection 543 for preventing the column 542 from reversely separating from the inserting hole 553.

The position-limiting shoulder 541 and the position-limiting projection 543 can axially fix the sound-deadening plug 54 and the sleeve 55.

The limiting projection 543 is conical or circular truncated cone, and the end of the limiting projection 543, which is far away from the column 542, gradually increases towards the outer diameter of the column 542.

The structure facilitates the elastic insertion of the silencing plug 54 into the insertion hole 553, and the installation is more convenient.

The thickness of the limiting shoulder 541 is greater than or equal to the thickness of the reed 52.

The limiting shoulder 541 has elastic deformation performance, the silencing plugs 54 with different thicknesses are manufactured according to the elastic performance of different materials, the bearing pressure of the reed 52 is reduced, the silencing plugs 54 are guaranteed to have a damping effect between the suction disc 51 and the sleeve 55, and the flatness of a component connecting structure is kept.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (10)

1. A multifunctional electromagnetic clutch of a water pump for an automobile comprises a water pump base (1), an electromagnetic structure (2), a belt pulley (3), a wheel hub (4), a driving belt pulley (5) and a rotating shaft (6), it is characterized in that the belt pulley (3) and the driving belt pulley (5) are both sleeved outside the water pump seat (1), the electromagnetic structure (2) is arranged in the belt pulley (3) and is fixedly connected with the water pump base (1), the hub (4) is arranged in the driving belt wheel (5) and is fixedly connected with the driving belt wheel (5), the rotating shaft (6) penetrates through the water pump seat (1) and extends out of one end of the water pump seat (1) to be connected with the hub (4), when the electromagnetic structure (2) is in the non-energized state, the driving pulley (5) has a tendency to remain separated from the pulley (3), when the electromagnetic structure (2) is in a power-on state, the driving belt wheel (5) is connected with the belt wheel (3).

2. The electromagnetic clutch of the multifunctional water pump for the automobile as claimed in claim 1, wherein the belt pulley (3) comprises a circular contact disc (31), and a circular outer wall (32) and a circular inner wall (33) which are concentrically arranged are arranged on one side of the belt pulley (3) away from the driving belt pulley (5).

3. The electromagnetic clutch of the multifunctional water pump for the automobile as claimed in claim 2, wherein the electromagnetic structure (2) comprises a connecting column (21), a coil (22) and a connecting sheet (23) connected with the water pump base (1), the coil (22) is wound on the annular inner wall (33) and the coil (22) is connected with the contact disc (31).

4. The electromagnetic clutch of the multifunctional water pump for the automobile as claimed in claim 1, wherein the driving pulley (5) comprises a circular sucking disc (51), a reed (52), a silencing plug (54) and a sleeve (55), the reed (52) is arranged on one side of the sucking disc (51) and is distributed circumferentially, a reed assembling structure is arranged between the reed (52) and the sucking disc (51), the sleeve (55) and the sucking disc (51) are arranged concentrically, one end of the sleeve (55) is fixedly connected with the reed (52), the silencing plug (54) is arranged between the sucking disc (51) and the sleeve (55) and is distributed circumferentially, one end of the silencing plug (54) abuts against the sucking disc (51), and the other end of the silencing plug is elastically inserted into the sleeve (55).

5. The electromagnetic clutch of the multifunctional water pump for the automobile as claimed in claim 4, wherein the reed assembly structure comprises three arc-shaped bar holes (512) which penetrate through the thickness direction of the sucking disc (51) and are circumferentially distributed and are arranged on the sucking disc (51), the middle portion of each arc-shaped bar hole (512) is provided with a yielding hole (511) communicated with the corresponding arc-shaped bar hole (512), rivets (53) are arranged in the yielding holes (511), the rivets (53) sequentially penetrate through the reed (52) and the sleeve (55) and are respectively fixedly connected with the reed (52) and the sleeve (55), one side of the sucking disc (51) connected with the reed (52) is further provided with three positioning bosses (513) which are circumferentially distributed and protrude towards one side, and the other end of the sucking disc is fixedly connected with the adjacent positioning bosses (513).

6. The electromagnetic clutch of the multifunctional water pump for the automobile as claimed in claim 5, wherein the spring plate (52) is in a straight strip shape, and connecting holes (521) for the rivets (53) and the positioning bosses (513) to pass through are respectively formed at two ends of the spring plate (52).

7. The electromagnetic clutch of the multifunctional water pump for the automobile as recited in claim 4, wherein the sleeve (55) comprises an annular connecting portion (551) having a U-shaped radial cross section and opening toward a side away from the suction cup (51), and a sealing portion (552) disposed at an end of the annular connecting portion (551) away from the suction cup (51) and connected to a circumferential inner wall of the annular connecting portion (551), and the hub (4) is disposed inside the annular connecting portion (551) and provided with a fastening structure with the sealing portion (552).

8. The electromagnetic clutch of the water pump for the automobile as claimed in claim 7, wherein the fastening connection structure comprises a through hole (555) provided on the sealing portion (552), a fastening bolt (41), and a screw hole (42) provided on the hub (4), the fastening bolt (41) passing through the through hole (555) and being in threaded connection with the screw hole (42).

9. The electromagnetic clutch of the multifunctional water pump for the automobile as recited in claim 7, wherein the silencing plug (54) comprises a limiting shoulder (541) with one end abutting against the suction cup (51) and a column (542) with one end elastically inserted into the annular connecting portion (551), and the annular connecting portion (551) is provided with an insertion hole (553) for the column (542) to pass through.

10. The electromagnetic clutch of the multifunctional water pump for the automobile as claimed in claim 9, wherein the end of the cylinder (542) far away from the position-limiting shoulder (541) is provided with a position-limiting projection (543) for preventing the cylinder (542) from reversely separating from the plug hole (553).

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