CN213511974U - Clutch belt pulley with locking function - Google Patents

Abstract

The utility model provides a pair of clutch belt pulley with locking function, including the belt pulley body, belt pulley body outer wall is equipped with a plurality of annular grooves, be equipped with a plurality of ventilation holes on the belt pulley body, belt pulley body center is equipped with the connecting hole, the connecting hole inner wall is equipped with two spouts, sliding connection slide between two spouts, equal first spring of fixed connection between the cell wall of slide one side and every spout, belt pulley body one side fixed connection connecting plate, connecting plate one side is equipped with the spread groove, spread groove tank bottom one side is equipped with the through-hole, be equipped with the multiunit louvre on the connecting plate, be equipped with four guiding holes on the spread groove cell wall, all be. The utility model provides a pair of clutch belt pulley with locking function can effectively solve the driving-disc and following pulley unit pivoted in-process, because of the driving-disc problem of skidding that appears in the connecting hole insecure of in the pulley unit.

Description

Clutch belt pulley with locking function

Technical Field

The utility model relates to a clutch spare part field especially relates to a clutch pulley with locking function.

Background

The electromagnetic clutch for automobile air conditioner is one power transmission device between the engine and the compressor and includes mainly three parts, including belt pulley assembly, coil assembly and driving disc. When the coil assembly works, the coil assembly generates electromagnetic suction force, so that a driving disc of the compressor is combined with the belt pulley assembly, and the torque of the engine is transmitted to the main shaft of the compressor, so that the main shaft of the compressor rotates; when the coil assembly stops working, the suction force of the electromagnetic coil disappears, the driving disc is separated from the belt pulley under the action of the spring piece, and the compressor stops working.

When the coil assembly works, the driving disc can rotate along with the belt pulley assembly when being connected with the belt pulley assembly, and the driving disc often can slip in a connecting hole of the driving disc in the belt pulley assembly because the driving disc is not firmly connected in the belt pulley assembly, so that the braking effect of the driving disc is influenced.

SUMMERY OF THE UTILITY MODEL

To the problem that exists, the utility model provides a pair of clutch pulley with locking function can effectively solve the driving-disc and following pulley unit pivoted in-process, because of the driving-disc connects insecure and the problem of skidding that appears in the connecting hole in the pulley unit.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a clutch belt pulley with locking function, which comprises a belt pulley body, wherein the outer wall of the belt pulley body is provided with a plurality of annular grooves, a plurality of ventilation holes are arranged on the belt pulley body, the center of the belt pulley body is provided with a connecting hole, the inner wall of the connecting hole is provided with two sliding grooves, two sliding plates are slidably connected between the sliding grooves, a first spring is fixedly connected between one side of each sliding plate and the groove wall of each sliding groove, one side of the belt pulley body is fixedly connected with a connecting plate, one side of the connecting plate is provided with a connecting groove, one side of the bottom of the connecting groove is provided with a through hole, the through hole is the same as the aperture of the connecting hole, the through hole, the connecting hole and the connecting groove are coaxially arranged, a plurality of groups of heat, the four guide holes are uniformly arranged in an annular array, and each guide hole is internally provided with a locking device for locking the driving disc.

The utility model provides a pair of clutch belt pulley with locking function, preferably, locking device includes the guide bar, the guide bar is sliding connection in the guiding hole, guide bar one end fixed connection latch segment, be equipped with the cambered surface on the latch segment, fixed connection second spring between the guide bar other end and the guiding hole bottom.

The utility model provides a pair of clutch pulley with locking function, preferably, one side fixed connection rubber pad of first spring is kept away from to the slide.

The utility model provides a pair of clutch pulley with locking function, preferably, every equal fixed connection rubber bump on the opposite side cell wall in the spout.

The utility model provides a pair of clutch pulley with locking function, preferably, be equipped with a plurality of mounting holes on the connecting plate.

The technical scheme has the following advantages or beneficial effects:

the locking device can ensure that the driving disc is more firmly connected in the connecting groove in the belt pulley assembly. The problem of skidding that the driving-disc appears because of the driving-disc is connected insecurely in the spread groove of belt pulley subassembly in following the pivoted in-process of belt pulley subassembly has effectively been solved.

Drawings

The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic diagram of a basic structure of a clutch pulley with a locking function provided in embodiment 1 of the present invention;

FIG. 2 is an enlarged view of portion F of FIG. 1;

FIG. 3 is an enlarged view of portion E of FIG. 1;

fig. 4 is another side view of the clutch pulley with locking function according to embodiment 1 of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific examples, which should not be construed as limiting the invention.

Example 1

As shown in fig. 1-4, a clutch pulley with a locking function provided in embodiment 1 of the present invention comprises a pulley body 1, a plurality of annular grooves 11 are formed on an outer wall of the pulley body 1, a plurality of ventilation holes 2 are formed on the pulley body 1, a connection hole 3 is formed in a center of the pulley body 1, two sliding grooves 31 are formed on an inner wall of the connection hole 3, the two sliding grooves 31 are disposed opposite to each other, a sliding plate 32 is slidably connected between the two sliding grooves 31, a first spring 33 is fixedly connected between one side of the sliding plate 32 and a wall of each sliding groove 31, a rubber pad 7 is fixedly connected to a side of the sliding plate 32 away from the first spring 33, a rubber bump 8 is fixedly connected to a wall of the other sliding groove in each sliding groove 31, the first spring 33 presses one side of the sliding plate 32 where the rubber pad 7 is disposed against the rubber bump 8 when in a free state, the rubber bump 8 can, the slide plate 32 is prevented from being damaged due to the direct contact between the slide plate 32 and the groove wall of the chute 31. The belt pulley comprises a belt pulley body 1, a connecting plate 4, a connecting groove 41, a through hole 42, a connecting hole 12, a plurality of groups of heat dissipation holes 43, four guide holes 5, locking devices 6 for locking a driving disc, and a plurality of locking holes 6, wherein the connecting plate 4 is fixedly connected to one side of the belt pulley body 1, the through hole 42 is arranged on one side of the bottom of the connecting groove 41, the diameter of the through hole 42 is the same as that of the connecting hole 12, the through hole 42, the connecting hole 12 and the connecting groove 41 are mutually communicated and coaxially arranged, the connecting plate 4 is provided with a plurality of groups of heat dissipation; locking device 6 includes guide bar 61, guide bar 61 is sliding connection in guiding hole 5, guide bar 61 one end fixed connection latch segment 62, be equipped with cambered surface 621 on the latch segment 62, latch segment 62 is anti-skidding, wear-resisting material, can increase the frictional force of cambered surface 621 and contact surface, fixed connection second spring 63 between the guide bar 61 other end and the guiding hole 5 hole bottom, second spring 63 is under free state, can release outside guiding hole 5 with the latch segment 62 of guide bar 61 one end. Be equipped with a plurality of mounting holes 44 on connecting plate 4, mounting holes 44 are convenient fixed with this belt pulley assembly equipment fixing.

When using the utility model discloses during the clutch pulley with locking function that embodiment 1 provided, fix coil pack 10 at connecting hole 3 inner wall, coil pack 10 can produce magnetic force and inhale driving-disc 9 to connecting plate 4 at the during operation, driving-disc 9 is when passing through spread groove 41 on connecting plate 4, driving-disc 9 outer wall can at first contact with the cambered surface 621 on four latch segments 62, driving-disc 9 passes the in-process that through-hole 42 got into connecting hole 12 from spread groove 41, the cambered surface 621 of every latch segment 62 can be extruded to the outer wall of driving-disc 9 and push guide bar 61 in guide hole 5, make second spring 63 be in the pressurized state in guide hole 5, after driving-disc 9 contacts with slide 32 in connecting hole 12, driving-disc 9 can extrude slide 32 and remove in spout 31, make first spring 33 be in the pressurized state, rubber pad 7 can play buffering when driving-disc 9 extrudes slide 32, The vibration absorption function avoids the damage caused by the direct contact between the driving disc 9 and the sliding plate 32. After the driving disc 9 stops moving, the second spring 6 will push the guiding rod 61 to tightly press the arc 621 of the locking block 62 against the outer wall of the driving disc 9, so that the driving disc 9 is more firmly connected in the connecting groove 41, and the driving disc 9 is prevented from slipping when rotating in the connecting groove 41. Meanwhile, the heat generated by the driving disk 9 and the belt pulley assembly during operation can be transmitted to the corresponding vent holes 2 through the heat dissipation holes 43, so that the heat dissipation speed of the driving disk 9 and the belt pulley assembly is increased, and the working time is prolonged. When the coil assembly 10 stops working, the magnetic force disappears, and the driving disc 9 is pushed away from the belt pulley assembly by the sliding plate 32 under the action of the first spring 33.

To sum up, the utility model provides a pair of clutch pulley with locking function can make the connection of driving-disc 9 in spread groove 41 more firm in this pulley assembly through locking device 6. The problem of skidding that the driving disk 9 appears because of the insecure connection of driving disk 9 in the connecting groove 41 in the belt pulley subassembly in the rotatory in-process of following the belt pulley subassembly has effectively been solved.

Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in conjunction with the prior art and the above-described embodiments, which are not described in detail herein. Such variations do not affect the essence of the present invention, and are not described herein.

The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; the person skilled in the art, without affecting the essence of the invention, may make numerous possible variations and modifications, or may modify the equivalent embodiments, without departing from the technical solution of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still belong to the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.

Claims (5)

1. The utility model provides a clutch pulley with locking function, includes the belt pulley body, belt pulley body outer wall is equipped with a plurality of annular grooves, its characterized in that: the novel belt pulley is characterized in that a plurality of vent holes are formed in the belt pulley body, a connecting hole is formed in the center of the belt pulley body, two sliding grooves are formed in the inner wall of each connecting hole, two sliding connection sliding plates are arranged between the sliding grooves, first springs are fixedly connected between one side of each sliding plate and the groove wall of each sliding groove, one side of the belt pulley body is fixedly connected with a connecting plate, one side of each connecting plate is provided with a connecting groove, one side of the bottom of each connecting groove is provided with a through hole, the through holes are the same as the aperture of each connecting hole, the through holes, the connecting holes and the connecting grooves are coaxially arranged, a plurality of groups of heat dissipation holes are formed in the connecting plates, each heat dissipation hole corresponds to the corresponding vent hole and is communicated with.

2. A clutch pulley with locking function according to claim 1, characterized in that: the locking device comprises a guide rod, the guide rod is connected in the guide hole in a sliding mode, one end of the guide rod is fixedly connected with a locking block, a cambered surface is arranged on the locking block, and a second spring is fixedly connected between the other end of the guide rod and the bottom of the guide hole.

3. A clutch pulley with locking function according to claim 1, characterized in that: one side of the sliding plate, which is far away from the first spring, is fixedly connected with a rubber pad.

4. A clutch pulley with locking function according to claim 1, characterized in that: and a rubber bump is fixedly connected on the other side of the groove wall in each sliding groove.

5. A clutch pulley with locking function according to claim 1, characterized in that: and a plurality of mounting holes are formed in the connecting plate.

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