CN218408416U

CN218408416U - Long-life dustproof clutch belt pulley

Info

Publication number: CN218408416U
Application number: CN202222977112.5U
Authority: CN
Inventors: 黄忠伟; 黄文博
Original assignee: Zhejiang Bowen Construction Machinery Parts Co ltd
Current assignee: Zhejiang Bowen Construction Machinery Parts Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-01-31
Anticipated expiration: 2032-11-07

Abstract

The utility model provides a dustproof clutch pulley of long-life, including long-life clutch pulley, long-life clutch pulley mainly comprises two parts main structure: the belt and the belt pulley thereof are welded with the hollow shaft core piece in an integrated manner, the shaft piece is hollowed out on the periphery of the hollow shaft core piece, the belt and the belt pulley thereof are fixedly welded on the periphery of the hollow shaft core piece, the belt and the belt pulley thereof are welded on the periphery of the hollow shaft core piece in a sleeving manner, and no obvious step exists in the welding position between the belt and the belt pulley thereof as well as the hollow shaft core piece. The utility model discloses hollow fretwork is regional has equally been seted up to long-life clutch belt pulley's whole, realizes reducing the effect of whole belt pulley cost through this region, but this long-life clutch belt pulley is offered the mode of fretwork in the middle of adopting, causes the pressure that this long-life clutch belt pulley's both sides region can support the belt.

Description

Long-life dustproof clutch belt pulley

Technical Field

The utility model belongs to the technical field of the belt pulley, especially, relate to a dustproof clutch pulley of long-life.

Background

The electromagnetic clutch transmission structure of the automobile air conditioner compressor comprises a belt pulley, a driving disc and a coil (the existing compressor clutch has long service life and sealing and dustproof performance, and is also called as a long-service-life dustproof clutch); the belt pulley is parallel to the driving disc and has a certain gap, the driving disc is provided with a spring piece, the belt pulley is provided with an electromagnetic coil, and the friction disc on the driving disc can axially move and reset under the action of the spring piece. The middle of the belt pulley is pressed with a double-row angular contact ball bearing with a sealing cover, and the double-row angular contact ball bearing rotates along with the rotation of an automobile engine. When the automobile air conditioner works, the electromagnetic coil on the belt pulley is electrified, and due to the action of the electromagnetic force, the friction disc overcomes the elastic force of the spring piece and axially moves towards the belt pulley, so that the friction disc is tightly close to the belt pulley, and the driving disc rotates along with the belt pulley to enable the compressor to work; when the automobile air conditioner is turned off, the electromagnetic coil is not electrified, the friction disc is separated from the belt pulley due to the pull-back elasticity of the spring piece, the driving disc stops rotating, and therefore the compressor stops working.

The invention discloses a dustproof type compressor clutch belt pulley with Chinese patent publication No. CN 214197167U, which comprises a belt pulley body, a toothed part, a bearing groove and an installation groove; a toothed part is arranged on the periphery of the pulley body and comprises a plurality of annular toothed grooves; a bearing groove is formed in the axis of the pulley body, and a bearing is arranged in the bearing groove in an interference fit manner; the rear assembling end of the pulley body is provided with a mounting groove, the mounting groove is positioned on the outer side of the bearing groove, and an electromagnetic coil assembly is embedded in the mounting groove; the rear side assembly end of pulley body still subtracts the groove including seting up, it is located the outside of mounting groove to subtract heavy groove, foretell clutch pulley has adopted the mode of one side fretwork to reduce holistic cost, this mode is though the cost that can reduce cost, but receive belt drive's pressure for a long time after, the condition of slope deformation will take place for one side of belt pulley, cause to cause belt and the direct area of contact of belt pulley to reduce, frictional force reduces, driven effect reduces, and then cause the reduction of the life of belt pulley by a wide margin, the design theory of the long-life clutch of unable laminating, obvious defect has.

Therefore, it is necessary to develop a long-life dustproof clutch pulley.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a dustproof clutch belt pulley of long-life, including long-life clutch belt pulley, long-life clutch belt pulley mainly comprises the two parts main structure: the belt and the belt pulley thereof are welded with the hollow shaft core piece in an integrated manner, the shaft piece is hollowed out on the periphery of the hollow shaft core piece, the belt and the belt pulley thereof are fixedly welded on the periphery of the hollow shaft core piece, the belt and the belt pulley thereof are welded on the periphery of the hollow shaft core piece in a sleeving manner, and no obvious step exists in the welding position between the belt and the belt pulley thereof as well as the hollow shaft core piece.

The belt and the pulley thereof are composed of three parts: the belt sleeve comprises a belt sleeve body, a transmission belt and a friction increasing bulge, wherein the belt sleeve body is a sleeve wheel made of an I shape, the transmission belt is sleeved on the inner side of the periphery of the belt sleeve body, the friction increasing bulge is arranged on the surface of the inner side of the transmission belt and is a bulge made of a rectangle, a groove ring matched with the friction increasing bulge is arranged on the surface of the periphery of the belt sleeve body, and the cross section of the groove ring of the belt sleeve body is rectangular.

The hollow core piece is composed of six parts: the side direction installation fagging, arc through-hole groove, sucking disc assembly mounting hole, installation axle core section of thick bamboo, pivot bearing, supporting spring and support arc, the side direction installation fagging adopts the circular side direction fagging of making, and the side direction installation fagging welds altogether and installs two, and the peripheral welding of side direction installation fagging is put inboard surface one end position in the belt sleeve of belt and leather sheath, and hollow area is the peripheral region of the inboard installation axle core section of thick bamboo of side direction installation fagging.

The lateral installation supporting plate is characterized in that a plurality of arc-shaped through hole grooves are formed in the peripheral surface of the lateral installation supporting plate, the arc-shaped through hole grooves are arranged on the periphery of the lateral installation supporting plate in a circular array mode, sucking disc assembly mounting holes are formed in the inner side area of the arc-shaped through hole grooves, the sucking disc assembly mounting holes are formed in the lateral installation supporting plate, and sucking disc assemblies are installed on the lateral installation supporting plate through the sucking disc assembly mounting holes.

The center position welding of two side direction installation fagging has an installation axle center section of thick bamboo, and the inboard surface mounting who installs the axle center section of thick bamboo has the pivot bearing, and the pivot bearing links to each other together with the pivot of clutch.

One end of the supporting spring is connected with the peripheral surface of the installation core barrel, the supporting spring is provided with a plurality of, the supporting spring is installed on the peripheral surface of the installation core barrel in a circular array mode, the other end of the supporting spring is provided with the supporting arc plate, the supporting arc plate is an attaching plate made of arc, the supporting arc plate is in contact with the inner side surface of the belt sleeve of the belt and the belt pulley, and the supporting structure is provided with the supporting spring and the supporting arc plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses hollow fretwork is regional has equally been seted up to long-life clutch belt pulley's whole, realize reducing the effect of whole belt pulley cost through this region, but this long-life clutch belt pulley is offered the mode of fretwork in the middle of adopting, cause the pressure that this long-life clutch belt pulley's both sides region can support the belt, avoid this long-life clutch belt pulley to receive the pressure of belt for a long time and cause the condition of deformation, and then prevent that frictional force and transmission effect's reduction from appearing in the belt, reduce the number of times that need frequently change, secondly, can be when reducing the belt pulley cost, increase the bulk strength of belt pulley.

2. The utility model discloses a plurality of bearing structure is installed to the inboard position of long-life clutch pulley's hollow axle core spare, and this bearing structure installs the regional position at the fretwork, and this bearing structure can further increase the regional intensity of fretwork, further prolongs the life of belt pulley, and the dirt-proof clutch of more excellent laminating long-life is installed and is used, secondly, can also increase the holistic partial toughness of hollow axle core spare.

Drawings

Fig. 1 is a schematic structural view of the long-life clutch pulley of the present invention.

Fig. 2 is a schematic view of the present invention without a transmission belt.

Fig. 3 is a schematic diagram of a half-section structure of the present invention without a driving belt.

In the figure:

long-life clutch belt pulley 1, belt and its pulley 2, hollow axle core piece 3, belt cover puts the body 4, driving belt 5, and the friction increases protruding 6, side direction installation fagging 7, arc through-hole groove 8, sucking disc assembly mounting hole 9, installation axle core section of thick bamboo 10, pivot bearing 11, supporting spring 12, support arc 13.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1 to 3:

the utility model provides a pair of long-life dustproof clutch belt pulley, including long-life clutch belt pulley 1, belt and leather pulley 2, hollow axle core 3, belt sleeve puts the body 4, and driving belt 5, friction increase arch 6, side direction installation fagging 7, arc through-hole groove 8, sucking disc assembly mounting hole 9, installation axle core section of thick bamboo 10, pivot bearing 11, supporting spring 12 and support arc 13, wherein: the long-life clutch pulley 1 mainly comprises two main structures: the belt and the belt pulley 2 and the hollow shaft core 3 are welded together, the belt and the belt pulley 2 and the hollow shaft core 3 are welded together as a whole, the hollow shaft core 3 is hollowed out on the periphery, the belt and the belt pulley 2 are fixedly welded on the periphery of the hollow shaft core 3, the belt and the belt pulley 2 are welded on the periphery of the hollow shaft core 3 in a sleeved mode, no obvious step exists in the welding position between the belt and the belt pulley 2 as well as the hollow shaft core 3, the belt sleeved body 4 is a sleeve pulley made of an I-shaped structure, a transmission belt 5 is sleeved on the inner side of the periphery of the belt sleeved body 4, friction increasing protrusions 6 are arranged on the inner side surface of the transmission belt 5, the friction increasing protrusions 6 are made of a rectangular structure, and groove rings matched with the friction increasing protrusions 6 are arranged on the periphery of the belt sleeved body 4.

The first embodiment is as follows:

the peripheral surface of a lateral installation supporting plate 7 is provided with a plurality of arc through hole grooves 8, the arc through hole grooves 8 are arranged on the periphery of the lateral installation supporting plate 7 in a circular array mode, the inner side area of each arc through hole groove 8 is provided with a sucker assembly installation hole 9, the sucker assembly installation holes 9 are arranged on the lateral installation supporting plate 7, the inner side surface of an installation core cylinder 10 is provided with a rotating shaft bearing 11, one end of a supporting spring 12 is connected with the peripheral surface of the installation core cylinder 10, a plurality of supporting springs 12 are arranged, the supporting springs 12 are respectively arranged on the peripheral surface of the installation core cylinder 10 in a circular array mode, the other end of the supporting spring 12 is provided with a supporting arc-shaped plate 13, the supporting arc-shaped plate 13 is an attachment plate made of arcs, the whole of the long-life clutch belt pulley 1 is also provided with a hollow area, and the effect of reducing the manufacturing cost of the whole belt pulley is realized through the area, however, the long-life clutch pulley 1 is provided by adopting a hollow-out mode, so that the two side areas of the long-life clutch pulley 1 can support the pressure of the belt, the deformation of the long-life clutch pulley 1 caused by the pressure of the belt for a long time is avoided, the reduction of the friction force and the transmission effect of the belt is further prevented, the frequency of frequent replacement is reduced, the overall strength of the pulley is increased while the manufacturing cost of the pulley is reduced, when the transmission belt 5 performs rotary transmission on the belt of the long-life clutch pulley 1 and the pulley 2 thereof, the two lateral mounting support plates 7 support and stabilize the two side positions of the hollow shaft core 3, the condition that the strength of one side area is lower than that of the other side area is avoided, and the lateral inclined deformation is reduced, the radian of the belt pulley is not affected, and the probability of deformation is reduced when the manufacturing cost is reduced.

Example two:

a plurality of bearing structure is installed to long-life clutch pulley 1's hollow axle core 3's inboard position, this bearing structure installs the regional position at the fretwork, this bearing structure can further increase the regional intensity of fretwork, further prolong the life of belt pulley, the dirt-proof clutch of more excellent laminating long-life is installed and is used, secondly, can also increase the holistic part toughness of hollow axle core, secondly, driving belt 5 is in the transmission, support arc 13 and strengthen holistic intensity and toughness through supporting spring 12, further avoid the belt pulley middle zone the condition emergence of indent deformation to appear, and further avoid driving belt 5's frictional force and the problem that transmission effect reduces, the dirt-proof clutch pulley 1 of more excellent laminating long-life uses.

Utilize technical scheme, or technical staff in the field is in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a long-life dustproof clutch pulley, includes long-life clutch pulley (1), its characterized in that, long-life clutch pulley (1) mainly comprises two parts main structure: the belt and the belt pulley (2) thereof and the hollow shaft core piece (3) are integrally welded together, the belt and the belt pulley (2) thereof and the hollow shaft core piece (3) are hollowed out on the periphery of the hollow shaft core piece (3), the belt and the belt pulley (2) thereof are fixedly welded on the periphery of the hollow shaft core piece (3), and the belt pulley (2) thereof are welded on the periphery of the hollow shaft core piece (3) in a sleeving manner.

2. The long life dust clutch pulley of claim 1, further comprising: the belt and the pulley (2) thereof are composed of three parts: the belt sleeve comprises a belt sleeve placing body (4), a transmission belt (5) and a friction increasing bulge (6), wherein the belt sleeve placing body (4) is a sleeve wheel made of an I shape, the transmission belt (5) is sleeved on the inner side of the periphery of the belt sleeve placing body (4), the friction increasing bulge (6) is arranged on the inner side surface of the transmission belt (5), and the friction increasing bulge (6) is a bulge made of a rectangle.

3. The long life dust clutch pulley of claim 1, wherein: the hollow shaft core piece (3) is composed of six parts: side direction installation fagging (7), arc through-hole groove (8), sucking disc assembly mounting hole (9), installation axle center section of thick bamboo (10), pivot bearing (11), supporting spring (12) and support arc (13), side direction installation fagging (7) are the side direction fagging that adopts circular to make, and side direction installation fagging (7) are welded altogether and are installed two.

4. The long life dust tight clutch pulley as set forth in claim 3, wherein: the utility model discloses a lateral installation fagging, including lateral installation fagging (7), the self periphery of lateral installation fagging (7) has seted up a plurality of arc through-hole groove (8) on the surface, and arc through-hole groove (8) are the mode of circular array and seted up on the periphery of lateral installation fagging (7), have seted up sucking disc assembly mounting hole (9) on the inboard region of arc through-hole groove (8), and sucking disc assembly is installed through sucking disc assembly mounting hole (9) in lateral installation fagging (7) to sucking disc assembly mounting hole (9) in lateral installation fagging (7).

5. The long life dust tight clutch pulley as set forth in claim 3, wherein: two the central point of side direction installation fagging (7) puts the welding and has installation axle center section of thick bamboo (10), and the inboard surface mounting who installs axle center section of thick bamboo (10) has pivot bearing (11), and pivot bearing (11) link to each other with the pivot of clutch together.

6. The long life dust tight clutch pulley as set forth in claim 3, wherein: the one end of supporting spring (12) links to each other with the peripheral surface of installation axle center section of thick bamboo (10), and a plurality of is installed in supporting spring (12), and supporting spring (12) are installed in the peripheral surface of installation axle center section of thick bamboo (10) with circular array's mode respectively, install on the other end of supporting spring (12) and support arc (13), and support arc (13) are the binding plate that adopts the arc to make.