CN214699081U

CN214699081U - High-efficient heat dissipation type belt pulley

Info

Publication number: CN214699081U
Application number: CN202120748856.2U
Authority: CN
Inventors: 朱懿
Original assignee: Suzhou Guansen Precision Technology Co ltd
Current assignee: Suzhou Guansen Precision Technology Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-11-12
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a high-efficiency heat dissipation type belt pulley, which comprises a belt pulley and a shaft sleeve, wherein the belt pulley and the shaft sleeve are detachably connected; the belt pulley comprises two splicing discs, and a plurality of first threaded holes are formed in the surfaces of the two splicing discs; the surface of the shaft sleeve is provided with a support ring, the surface of the support ring is provided with a plurality of second threaded holes, and the two splicing discs are respectively positioned on two sides of the support ring and penetrate through the first threaded holes and the second threaded holes through bolts to be in threaded connection with the shaft sleeve. The utility model discloses a be provided with the backing sheet between concatenation dish and support ring to and use with the fan leaf cooperation on support ring surface, improved radiating efficiency.

Description

High-efficient heat dissipation type belt pulley

Technical Field

The utility model relates to a dish hub class part field, concretely relates to high-efficient heat dissipation type belt pulley.

Background

The belt pulley belongs to a hub part and is mainly used for occasions of transmitting power in a long distance, such as the power output of a small diesel engine, an agricultural vehicle, a tractor, an automobile, a mining machine, a machining device, a textile machine, a packaging machine, a lathe, a forging machine and the like. Current belt pulley is at the transmission in-process, mainly relies on the frictional force between belt pulley bottom or side and the belt to carry out the transmission, and these frictions can produce very big heat, and the heat mainly gathers on belt groove and belt, hardly dispels under the not good condition of ventilation, makes the temperature of belt during operation improve greatly for the ageing speed of belt, belt life shortens greatly.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a high-efficient heat dissipation type belt pulley adopts this belt pulley to reduce the thermal friction of belt on the belt pulley, improves life.

The technical scheme of the utility model is that: a high-efficiency heat dissipation type belt pulley comprises a belt pulley and a shaft sleeve, wherein the belt pulley is detachably connected with the shaft sleeve;

the belt pulley comprises two splicing discs, and a plurality of first threaded holes are formed in the surfaces of the two splicing discs;

the surface of the shaft sleeve is provided with a support ring, the surface of the support ring is provided with a plurality of second threaded holes, and the two splicing discs are respectively positioned on two sides of the support ring and penetrate through the first threaded holes and the second threaded holes through bolts to be in threaded connection with the shaft sleeve.

Furthermore, the inner sides of the two splicing discs are respectively provided with an arc-shaped groove, and the support ring is positioned between the two arc-shaped grooves.

Furthermore, a plurality of supporting sheets are respectively arranged on two sides of the supporting ring, and the supporting sheets are respectively abutted against the inner sides of the two splicing discs and can enable gaps to be formed between the splicing discs and the supporting ring.

Furthermore, the supporting plates are arranged in a staggered mode according to the circumference of the supporting ring.

Furthermore, the surface of the support ring is provided with a plurality of openings, and the openings are positioned below the two splicing discs.

Furthermore, a fan blade is fixedly connected in the opening.

Further, the distance of the fan blade extending out of the surface of the support ring is smaller than or equal to the distance from the outer side of the splicing disc to the surface of the support ring.

Further, the number of the fan blades is less than or equal to the number of the openings.

Furthermore, the central point of support ring puts and is equipped with the through-hole, just be equipped with first connecting portion in the through-hole, the axle sleeve surface is equipped with the second connecting portion, first connecting portion with the second connecting portion are connected to realize the axle sleeve and be connected with dismantling of support ring.

The utility model has the beneficial technical effects that:

1. the central point of support ring puts and is equipped with the through-hole, is equipped with first connecting portion in the through-hole, and the surface of axle sleeve is equipped with the second connecting portion, and first connecting portion are connected with the second connecting portion to realize the connection dismantled of support ring and axle sleeve, when the axle sleeve uses for a long time and leads to off-centre, only need change the axle sleeve, practice thrift the cost.

2. The belt pulley comprises two splicing disks, and arc-shaped grooves with arc-shaped holes inside are respectively arranged at the inner sides of the two splicing disks; the support pieces are fixedly arranged on two sides of the support ring respectively, when the two splicing discs are positioned on two sides of the support ring and are in threaded connection, a gap is formed between the splicing discs and the support ring, and heat is discharged from the gap through the arc-shaped holes.

3. The surface of support ring is equipped with a plurality of openings, and fixedly connected with fan leaf in the opening, and it is rotatory to drive the fan leaf through the support ring when the axle sleeve is rotatory, and the fan leaf will be followed gap department heat and is pull and discharge, improves radiating performance.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the threaded connection of the two splice trays of the present invention;

fig. 3 is a schematic structural diagram of the support ring of the present invention;

fig. 4 is a schematic structural view of the splice tray of the present invention;

fig. 5 is a schematic structural view of the shaft sleeve of the present invention.

The reference signs are:

1. a belt pulley; 2. a shaft sleeve; 21. a limiting sheet; 3. splicing discs; 31. a first threaded hole; 32. an arc-shaped slot; 33. an arc-shaped hole; 4. a support ring; 41. a second threaded hole; 42. a support sheet; 43. an opening; 44. a fan blade.

Detailed Description

In order to make the technical means of the present invention clearer and to implement the present invention according to the content of the specification, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples, which are used for illustrating the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 and 2, the utility model particularly relates to a high-efficient heat dissipation type belt pulley 1, including belt pulley 1 and axle sleeve 2, wherein, the surface of axle sleeve 2 is equipped with support ring 4, and belt pulley 1 includes two concatenation dishes 3, with two concatenation dishes 3 difference threaded connection in support ring 4's both sides, forms a belt pulley 1 that supplies the belt to place. When the shaft sleeve 2 rotates, the splicing disc 3 is driven to rotate through the supporting ring 4, and the rotation of the belt disc 1 is realized. The heat generated by the belt pulley 1 due to the rotation of the previous time is discharged through the gap between the splicing disc 3 and the support ring 4, so that the purpose of heat dissipation is achieved.

As shown in fig. 4, the two split disks 3 are respectively provided with a first threaded hole 31 on the surface, the support ring 4 is provided with a second threaded hole 41 on the surface, the two split disks 3 are screwed with the support ring 4 by bolts passing through the first threaded hole 31 and the second threaded hole 41, and are combined into a belt pulley 1 for placing a belt. Simultaneously, through with belt pulley 1 through 3 threaded connection of two splice trays, when one of them is damaged, it is right to directly change the splice tray 3 that damages through dismantling the bolt, need not change wholly, has reached the purpose of practicing thrift the cost.

The inboard of splice dish 3 is equipped with an arc groove 32, and when two splice dishes 3 were placed respectively in the both sides of support ring 4 and passed through bolt threaded connection, formed a U-shaped groove between two splice dishes 3, the belt was placed in this U-shaped inslot to it is rotatory to drive splice dish 3. Wherein, both sides of the support ring 4 are fixedly connected with the support sheets 42 respectively, and when the splicing disc 3 is screwed on both sides of the support ring 4, a gap is formed between the splicing disc 3 and the support ring 4.

Further, an arc hole 33 is formed in the arc groove 32, a hole at one end of the arc hole 33 is located at the end of the arc groove 32 and located above the belt, and another hole of the arc hole 33 is located on one side of the splicing disc 3 and located below the belt. When the belt pulley 1 rotates, heat is drawn to the hole in the inner side of the splicing disc 3 through the hole in the end part of the arc-shaped groove 32 and is discharged, and the phenomenon that the belt and the belt pulley 1 are damaged due to overhigh heat caused by long-time rotation is avoided.

It should be noted that, the support plates 42 are respectively disposed at equal intervals according to the circumference of the support ring 4, and by disposing the support plates 42 at equal intervals, the heat drawing is facilitated, and the heat is radiated to a greater extent.

As shown in fig. 3, the surface of the support ring 4 is provided with a plurality of openings 43, and the openings 43 are located below the splicing disc 3, wherein the inside of the openings 43 is fixedly connected with the fan blades 44, and the distance that the fan blades 44 extend out of the surface of the support ring 4 is less than or equal to the distance from the outer side of the splicing disc 3 to the surface of the support ring 4, so that interference caused by the fan blades 44 when the shaft sleeve 2 rotates at high speed is avoided.

It should be noted that, the number of the openings 43 is greater than or equal to the number of the fan blades 44, firstly, the openings 43 are provided, so that the material usage of the support ring 4 is reduced, the cost is saved, further, the fan blades 44 are fixedly connected in the openings 43, when the shaft sleeve 2 rotates, the support ring 4 drives the fan blades 44 to rotate, and meanwhile, the heat is drawn and blown out through the arc-shaped holes 33, so that the heat dissipation efficiency is improved.

As shown in fig. 4, a through hole is formed in the center of the support ring 4, a first connection post is disposed in the through hole, a second connection portion is disposed on the surface of the shaft sleeve 2, and the first connection portion is connected with the second connection portion, so that the shaft sleeve 2 and the support ring 4 can be detachably connected. When the shaft sleeve 2 is eccentric due to long-time use, only the shaft sleeve 2 needs to be detached for replacement, and the cost is saved.

Wherein, first connecting portion are the internal thread through-hole, and the external screw thread that the second connecting portion used for the cooperation, one side fixedly connected with of external screw thread spacing piece 21, when axle sleeve 2 and 4 threaded connection of support ring, through spacing piece 21 restriction support ring 4 lie in the position on axle sleeve 2 surface, avoid appearing the skew.

Further, the direction of the threaded rotation fixing of the shaft sleeve 2 and the supporting ring 4 is opposite to the actual rotation direction of the belt pulley 1, and when the belt pulley 1 rotates for a long time, the shaft sleeve 2 and the supporting ring 4 are fastened more tightly.

It should be noted that, there are various connection modes of the shaft sleeve 2 and the support ring 4, and the present embodiment prefers a threaded connection, and has a simple structure and is convenient to detach.

The utility model discloses an installation step is:

1. the shaft sleeve 2 is in threaded connection with the support ring 4, and the position of the support ring 4 on the surface of the shaft sleeve 2 is limited by the limiting sheet 21.

2. The two splicing disks 3 are respectively placed on two sides of the support ring 4, the bolt penetrates through the first threaded hole 31 and the second threaded hole 41 and fixes the splicing disks 3 and the support ring 4 in a threaded manner, and the belt is placed in a U-shaped groove between the two splicing disks 3.

3. The shaft sleeve 2 is sleeved on a transmission shaft of the engine, the engine controls the rotation of the shaft sleeve 2 and drives the splicing disc 3 to rotate through the support ring 4, and the rotation of the belt is realized.

4. In operation, the fan blades 44 in the openings 43 of the support ring 4 draw the heat generated by friction between the belt and the splicing disk 3 to the gap through the arc-shaped holes 33, and the heat is dissipated by rotation of the fan blades 44, so that the heat dissipation effect is achieved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The efficient heat dissipation type belt pulley is characterized by comprising a belt pulley (1) and a shaft sleeve (2), wherein the belt pulley (1) is detachably connected with the shaft sleeve (2);

the belt pulley (1) comprises two splicing discs (3), and a plurality of first threaded holes (31) are formed in the surfaces of the two splicing discs (3);

the surface of axle sleeve (2) is equipped with support ring (4), just the surface of support ring (4) is equipped with a plurality of second screw hole (41), two splice tray (3) are located respectively the both sides of support ring (4) to pass through the bolt first screw hole (31) and second screw hole (41) with axle sleeve (2) threaded connection.

2. An efficient heat dissipation type belt pulley according to claim 1, wherein the inner sides of the two splicing disks (3) are respectively provided with an arc-shaped groove (32), and the support ring (4) is positioned between the two arc-shaped grooves (32).

3. The high-efficiency heat dissipation type belt pulley according to claim 2, wherein a plurality of supporting pieces (42) are respectively arranged on two sides of the supporting ring (4), and the supporting pieces (42) respectively abut against the inner sides of the splicing discs (3) and can enable a gap to be formed between the splicing discs (3) and the supporting ring (4).

4. A highly efficient heat dissipation type belt pulley according to claim 3, characterized in that the support pieces are staggered with respect to the circumference of the support ring (4).

5. A highly efficient heat dissipating belt pulley according to claim 1, characterized in that the surface of the support ring (4) is provided with a plurality of openings (43), and the openings (43) are located below the two split disks (3).

6. A highly efficient heat dissipation type belt pulley according to claim 5, characterized in that a fan blade (44) is fixedly connected in the opening (43).

7. A highly efficient heat dissipation belt pulley according to claim 6, characterized in that the fan blade (44) protrudes beyond the surface of the support ring (4) by a distance which is less than or equal to the distance from the outer side of the splice tray (3) to the surface of the support ring (4).

8. The high efficiency heat dissipation belt pulley according to claim 7, wherein the number of the fan blades (44) is equal to or less than the number of the openings (43).

9. The efficient heat dissipation type belt pulley according to claim 1, wherein a through hole is formed in a center position of the support ring (4), a first connecting portion is arranged in the through hole, a second connecting portion is arranged on a surface of the shaft sleeve (2), and the first connecting portion is connected with the second connecting portion so as to detachably connect the shaft sleeve (2) and the support ring (4).