CN218564333U - Belt wheel - Google Patents

Abstract

The utility model provides a belt wheel, wherein a product body comprises an outer ring, a central shaft and spokes; the outer periphery of the outer ring is sleeved with a rim, a belt wheel groove is formed in the rim, and a metal surface layer is arranged on the surface of the rim; the rim is made of composite materials or engineering plastics, the outer ring, the spokes and the central shaft are made of metal materials, the radially inward ends of the spokes are fixedly connected with the central shaft or integrally formed, and the radially outward ends of the spokes are fixedly connected with the outer ring or integrally formed. The mode of adopting the suit sets up the rim on the periphery wall of outer lane, and sets up the metal top layer on the surface of rim, and the rim that adopts combined material or engineering plastics to make can also effectively alleviate the gross weight of band pulley when playing to support fixed to the metal top layer, alleviates band pulley weight and reduce cost, and the rim that adopts combined material or engineering plastics to make can satisfy structural strength, thereby makes the utility model discloses a band pulley possesses same performance with the like product that adopts metal material to make among the prior art.

Description

Belt wheel

Technical Field

The utility model relates to a belt pulley.

Background

The belt wheel belongs to a hub part, generally has a relatively large size, and is mainly cast and forged in the manufacturing process. The common large-size design is a casting method, the material is generally cast iron (the casting performance is better), and the cast steel (the casting performance of the steel is poor) is rarely used; generally, the steel is small in size and can be designed to be forged, and the material is steel. Pulleys are mainly used in applications where power is transmitted over long distances, such as the output of small diesel power, agricultural vehicles, tractors, automobiles, mining machinery, machining equipment, textile machinery, packaging machinery, lathes, forging beds, the transmission of some small horsepower motorcycle power, the transmission of agricultural machinery power, air compressors, speed reducers, generators, ginning machines, and the like.

The existing belt wheel comprises an outer ring, spokes and a central shaft, the whole body is made of metal materials, and although the use requirements can be met, the belt wheel product made of the metal materials has the problems of heavy weight and high cost.

Disclosure of Invention

In view of this, the utility model aims at providing a band pulley can effectively alleviate band pulley weight and reduce cost.

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

the utility model provides a belt wheel, which comprises a product body, wherein the product body comprises an outer ring, a central shaft and spokes;

the outer ring is sleeved with a rim, a pulley groove is formed in the rim, and a metal surface layer is arranged on the surface of the rim;

the rim is made of composite materials or engineering plastics, the outer ring, the spokes and the central shaft are made of metal materials, one ends of the spokes which are radially inward are fixedly connected with or integrally formed with the central shaft, and one ends of the spokes which are radially outward are fixedly connected with or integrally formed with the outer ring.

Further, the outer layer of the outer ring is provided with a fixing groove for fixing the wheel rim along the circumferential direction of the outer layer of the outer ring.

Furthermore, the two sides of the outer layer of the outer ring are circumferentially provided with limiting flanges used for limiting the wheel rim, and fixing grooves used for fixing the wheel rim are formed between the limiting flanges on the two sides.

Furthermore, be equipped with the arch on the outer lane periphery wall, be equipped with on the internal perisporium of rim with protruding assorted recess, protruding with the recess one-to-one, protruding grafting cooperation is in the recess.

Furthermore, the equipartition is equipped with on the periphery wall of outer lane the arch, the equipartition is equipped with on the internal perisporium of rim the recess.

Further, a central hole is formed in the central shaft along the direction of the central shaft.

Furthermore, a spline sleeve is arranged in the central hole, and the outer peripheral wall of the spline sleeve is in interference fit with the inner wall of the central hole; or, be equipped with the fixed column on the spline housing periphery wall, be equipped with on the centre bore internal perisporium with fixed column assorted fixed slot, the fixed column with fixed slot one-to-one, the fixed column grafting cooperation is in the fixed slot.

Further, the fixed columns are evenly distributed on the peripheral wall of the spline sleeve, and the fixed slots are evenly distributed on the inner peripheral wall of the center hole.

Further, the belt wheel groove is a V-shaped belt wheel groove or a U-shaped belt wheel groove.

Further, the composite material is a non-metal composite material, and is a basalt fiber composite material, a glass fiber composite material, a carbon fiber composite material, a boron fiber composite material, an aramid fiber composite material, a silicon carbide fiber composite material or an asbestos fiber composite material;

the engineering plastic adopts polyamide, polycarbonate, polyformaldehyde, modified polyphenyl ether, thermoplastic polyester, polyimide, polyphenylene sulfide, polyformaldehyde, aromatic polyamide, polyarylate, polyphenyl ester, polyaryletherketone, liquid crystal polymer or fluororesin.

The beneficial effects of the utility model reside in that:

the utility model discloses a band pulley, the mode that adopts the suit sets up the rim on the periphery wall of outer lane, and sets up the metal top layer on the surface of rim, and the rim that adopts combined material or engineering plastics to make can play the total weight that supports when fixed can also effectively alleviate the band pulley to the metal top layer, alleviates band pulley weight and reduce cost, and the rim that adopts combined material or engineering plastics to make can satisfy structural strength, thereby makes the utility model discloses a band pulley possesses same performance with the like product that adopts metal material to make among the prior art.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:

FIG. 1 is a schematic structural view of an embodiment of the middle belt wheel of the present invention;

FIG. 2 is a front view of the embodiment of the middle belt wheel of the present invention

Fig. 3 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 2.

FIG. 4 is a schematic view of the combination of the outer ring, spokes and central shaft;

fig. 5 is a schematic view of the structure of the rim.

Description of reference numerals:

1-an outer ring; 2-central axis; 3-spokes; 4-a rim; 5-pulley groove; 6, fixing the groove; 7-a stop flange; 8-bulge; 9-a groove; 10-a central hole; 11-spline housing; 12-fixed columns; 13-a fixed slot; 14-metal surface layer.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As shown in fig. 1 to 3, the belt pulley of the present embodiment includes a product body, the product body includes an outer ring 1, a central shaft 2 and spokes 3, in the present embodiment, the number of the spokes 3 is set to 5, of course, the number of the spokes 3 can be determined according to actual requirements, and the condition of reasonable structural strength is satisfied;

the outer ring 1 is provided with a rim 4 in a sleeved mode, the rim 4 is provided with pulley grooves 5, the surface of the rim 4 is provided with a metal surface layer 14, in the embodiment, the number of the pulley grooves 5 is 2, in the embodiment, the pulley grooves 5 are V-shaped, and in some embodiments, the pulley grooves 5 can also be U-shaped;

in this embodiment, the rim 4 is made of a composite material. Of course, in some embodiments, the rim 4 may also be made of engineering plastics, and the outer ring 1, the spokes 3 and the central shaft 2 are made of metal materials, in this embodiment, one end of the spokes 3 facing radially inwards is integrally formed with the central shaft 2, and one end of the spokes facing radially outwards is integrally formed with the outer ring 1. Of course, the radially inward end of the spoke 3 may also be fixedly connected with the central shaft 2, and the radially outward end may be fixedly connected with the outer ring 1, and the fixed connection may be by welding.

As shown in fig. 3 and 4, the outer layer of the outer ring 1 of the present embodiment is provided with a fixing groove 6 for fixing the rim 4 along the circumferential direction thereof. Specifically, in the present embodiment, two sides of the outer layer of the outer ring 1 are provided with limiting flanges 7 for limiting the rim 4 along the circumferential direction, and fixing grooves 6 for fixing the rim 4 are formed between the limiting flanges 7 on the two sides. Can prevent that rim 4 from taking place to remove along the axis direction, play better fixed action to the rim 4 of suit on the periphery wall of outer lane 1.

As shown in fig. 3 and 4, the outer circumferential wall of the outer ring 1 of the present embodiment is provided with a protrusion 8, the inner circumferential wall of the rim 4 is provided with a groove 9 matched with the protrusion 8, the protrusion 8 and the groove 9 are in one-to-one correspondence, and the protrusion 8 is inserted and matched in the groove 9. In this embodiment, the equipartition is equipped with protruding 8 on the periphery wall of outer lane 1, and the equipartition is equipped with recess 9 on the internal perisporium of rim 4. Through inserting the cooperation of protruding 8 in recess 9, can increase the effect of the tangential force that outer lane 1 applied to rim 4 to make rim 4 follow center pin 2 synchronous revolution. In this embodiment, the projections 8 are tapered projections having a small top and a large bottom, and are connected to the outer periphery of the outer ring 1 with higher strength.

As shown in fig. 2 and 4, the center shaft 2 of the present embodiment is provided with a center hole 10 along its direction. The central hole 10 is used for connection with other shaft-like structures. In some embodiments, the central shaft 2 may also be provided as a solid shaft.

In this embodiment, a spline housing 11 is provided in the central hole 10, and the spline housing 11 can be used for being connected with splines on other shaft structures. Specifically, equipartition is equipped with fixed column 12 on the 11 periphery walls of spline cover in this embodiment, equipartition is equipped with on the 10 internal perisporium of centre bore with fixed column 12 assorted fixed slot 13, fixed column 12 and fixed slot 13 one-to-one, fixed column 12 grafting cooperation is in fixed slot 13. The stability of the spline housing 11 in the center hole 10 can be ensured and prevented from being displaced or rotated. In some embodiments, the outer peripheral wall of the spline housing 11 and the inner wall of the central hole 10 may also adopt an interference fit to fix the spline housing 11 in the central hole 10.

The composite material is a non-metal composite material and is a basalt fiber composite material, a glass fiber composite material, a carbon fiber composite material, a boron fiber composite material, an aramid fiber composite material, a silicon carbide fiber composite material or an asbestos fiber composite material; the engineering plastic adopts polyamide, polycarbonate, polyformaldehyde, modified polyphenyl ether, thermoplastic polyester, polyimide, polyphenylene sulfide, polyformaldehyde, aromatic polyamide, polyarylate, polyphenyl ester, polyaryletherketone, liquid crystal polymer or fluororesin. In this embodiment, the composite material is a basalt fiber composite material. In some embodiments, other types of composite materials or engineering plastics can be selected according to different use scenarios of the product, and will not be described again.

The band pulley of this embodiment, the mode that adopts the suit sets up the rim on the periphery wall of outer lane, and sets up the metal top layer on the surface of rim, and the rim that adopts combined material or engineering plastics to make can also effectively alleviate the gross weight of band pulley when playing to support fixed to the metal top layer, alleviates band pulley weight and reduce cost, and the rim that adopts combined material or engineering plastics to make can satisfy structural strength, thereby makes the utility model discloses a band pulley possesses same performance with the like product that adopts metal material to make among the prior art.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims (10)

1. A belt pulley, comprising a product body, the product body comprising an outer ring, a central shaft and spokes, characterized in that:

the outer ring is sleeved with a rim, a pulley groove is formed in the rim, and a metal surface layer is arranged on the surface of the rim;

the rim is made of composite materials or engineering plastics, the outer ring, the spokes and the central shaft are made of metal materials, the radial inward ends of the spokes are fixedly connected with or integrally formed with the central shaft, and the radial outward ends of the spokes are fixedly connected with or integrally formed with the outer ring.

2. The pulley according to claim 1, characterized in that: and the outer layer of the outer ring is provided with a fixing groove used for fixing the wheel rim along the circumferential direction of the outer layer of the outer ring.

3. The pulley according to claim 2, characterized in that: the outer both sides of outer lane are equipped with along circumference and are used for right the rim carries out spacing limit flange, both sides form between the limit flange and be used for fixing the rim the fixed slot.

4. The pulley according to claim 1, characterized in that: be equipped with the arch on the outer lane periphery wall, be equipped with on the rim internal perisporium with protruding assorted recess, protruding with the recess one-to-one, protruding grafting cooperation is in the recess.

5. The pulley according to claim 4, characterized in that: the equipartition is equipped with on the periphery wall of outer lane the arch, the equipartition is equipped with on the internal perisporium of rim the recess.

6. The pulley according to claim 1, characterized in that: the central shaft is provided with a central hole along the axial direction.

7. The pulley according to claim 6, characterized in that: a spline sleeve is arranged in the central hole, and the outer peripheral wall of the spline sleeve is in interference fit with the inner wall of the central hole; or, be equipped with the fixed column on the spline housing periphery wall, be equipped with on the centre bore internal perisporium with fixed column assorted fixed slot, the fixed column with fixed slot one-to-one, the fixed column grafting cooperation is in the fixed slot.

8. The pulley according to claim 7, characterized in that: the fixed column is evenly distributed on the peripheral wall of the spline housing, and the fixed slots are evenly distributed on the inner peripheral wall of the center hole.

9. The pulley according to claim 1, characterized in that: the belt pulley groove is a V-shaped belt pulley groove or a U-shaped belt pulley groove.

10. A pulley according to any one of claims 1 to 9, characterized in that: the composite material is a non-metal composite material and is a basalt fiber composite material, a glass fiber composite material, a carbon fiber composite material, a boron fiber composite material, an aramid fiber composite material, a silicon carbide fiber composite material or an asbestos fiber composite material;

the engineering plastic adopts polyamide, polycarbonate, polyformaldehyde, modified polyphenyl ether, thermoplastic polyester, polyimide, polyphenylene sulfide, polyformaldehyde, aromatic polyamide, polyarylate, polybenzoate, polyaryletherketone, liquid crystal polymer or fluororesin.

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