CN218267103U

CN218267103U - High-strength integrated flexible chain wheel

Info

Publication number: CN218267103U
Application number: CN202221794391.5U
Authority: CN
Inventors: 章柯波
Original assignee: Zhejiang Chuanyi Machinery Co ltd
Current assignee: Zhejiang Chuanyi Machinery Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2023-01-10
Anticipated expiration: 2032-07-08

Abstract

The utility model relates to a sprocket technical field. The high-strength integrated flexible chain wheel comprises a wheel body, wherein the wheel body comprises a lower wheel disc, an upper wheel disc and a rubber sleeve disc clamped between the upper wheel disc and the lower wheel disc; an inner shaft sleeve extending upwards is arranged at the center of the lower wheel disc, a plurality of wheel tooth cores protruding upwards are uniformly arranged at the edge of the upper surface of the lower wheel disc, a plurality of connecting bosses are uniformly arranged at positions, close to the wheel tooth cores, of the upper surface of the lower wheel disc in an annular shape, and first threaded holes are formed in the connecting bosses; an outer shaft sleeve matched with the inner shaft sleeve is arranged in the center of the lower surface of the upper wheel disc, and a second threaded hole is formed in the position, opposite to the first threaded hole, of the upper wheel disc; the upper wheel disc is buckled with the lower wheel disc; the outer shaft sleeve of the upper wheel disc is sleeved outside the inner shaft sleeve of the lower wheel disc. The utility model discloses can guarantee the stability of the cladding on the sprocket teeth of a cogwheel, do not have the problem that bonds became invalid, improve stability.

Description

High-strength integrated flexible chain wheel

Technical Field

The utility model relates to a sprocket technical field, concretely relates to integral flexible sprocket excels in.

Background

The chain wheel is a mechanical transmission part widely applied to the industries of chemical engineering, textile machinery, food processing, instruments, petroleum and the like. In recent years, with the further development of environmental protection production, the silence of the chain wheel in the use process is more and more concerned and more important, and especially in some occasions with smaller transmission load, because the requirement on the strength of the chain wheel is relatively lower, the form of power transmission by adopting the flexible chain wheel is more and more appeared. The flexible chain wheel understood in the general sense is that the gear teeth of the chain wheel are coated by flexible materials, and through the form, the rigid contact between the chain and the gear teeth is avoided, so that the collision noise can be well eliminated, and the silent operation of the chain wheel is positively acted. However, the flexible coating layer of the traditional flexible chain wheel is generally fixed with the wheel teeth in a bonding mode, and degumming is very easy to occur in the long-term use process by the mode, so that the coating layer falls off to influence normal use.

Disclosure of Invention

An object of the utility model is to provide a stable integral flexible sprocket that excels in of cladding.

In order to achieve the purpose, the technical scheme adopted by the utility model is a high-strength integral flexible chain wheel, which comprises a wheel body, wherein the wheel body comprises a lower wheel disc, an upper wheel disc and a rubber sleeve disc clamped between the upper wheel disc and the lower wheel disc;

an inner shaft sleeve extending upwards is arranged at the center of the lower wheel disc, a plurality of wheel tooth cores protruding upwards are uniformly arranged at the edge of the upper surface of the lower wheel disc, a plurality of connecting bosses are uniformly arranged at positions, close to the wheel tooth cores, of the upper surface of the lower wheel disc in an annular shape, and first threaded holes are formed in the connecting bosses;

an outer shaft sleeve matched with the inner shaft sleeve is arranged in the center of the lower surface of the upper wheel disc, and a second threaded hole is formed in the position, opposite to the first threaded hole, of the upper wheel disc; the upper wheel disc is buckled with the lower wheel disc and is locked by a connecting bolt; the outer shaft sleeve of the upper wheel disc is sleeved outside the inner shaft sleeve of the lower wheel disc;

the thickness of rubber sleeve dish equals the interval of last rim plate and lower rim plate, and the center of rubber sleeve dish is provided with the centre bore with outer axle sleeve matched with, and the edge of rubber sleeve dish is provided with a plurality of and teeth of a cogwheel core matched with teeth of a cogwheel cover, and the middle part of rubber sleeve dish is provided with the boss hole with the position that is connected the boss and is relative, the teeth of a cogwheel cover of rubber sleeve dish is established outside the wheel tooth core of rim plate under, it is downthehole at the boss of rubber sleeve dish to connect the boss card on the rim plate down, the outer axle sleeve card of going up the rim plate is established at the centre bore.

Preferably, the peripheral surface of the outer shaft sleeve on the upper wheel disc is an inclined surface, and the hole wall of the central hole of the rubber sleeve disc is also an inclined surface and is matched with the peripheral surface of the outer shaft sleeve.

Preferably, the connection boss is oval.

Preferably, the outer surface of the inner hub and the inner surface of the outer hub are provided with connecting splines engaged with each other.

Preferably, hemispherical clamping grooves are symmetrically formed in two sides of the gear tooth core, and convex blocks matched with the clamping grooves are arranged on the inner wall of the gear tooth sleeve.

Preferably, the gear core and the lower wheel disc are of an integral structure.

The beneficial effects of the utility model are that concentrated the appearance: can guarantee the stability of the coating of cladding on the sprocket teeth of a cogwheel, do not have the problem of bonding failure, improve stability. Particularly, the utility model discloses a three laminar structures of last rim plate, lower rim plate, rubber sleeve dish, the holistic structural strength of wheel body is higher, and weight is lighter under equal thickness. Complete circumference cladding is carried out to the wheel tooth core to the wheel tooth cover through the wheel tooth cover on the rubber sleeve dish, and each direction all has better cladding characteristic, can effectually avoid sliding, owing to do not adopt the binder to glue, has solved the high temperature gluing inefficacy problem that exists in the traditional gluing mode. Additionally, the utility model discloses lower connection boss on the rim plate plays the effect of being connected the firm root foot with last rim plate on the one hand, and on the other hand can also fix a position rubber sleeve dish, has the dual function of fixing and fixing a position.

Drawings

Fig. 1 is a top view of the lower wheel disc of the present invention;

FIG. 2 is a top view of the rubber sleeve disc of the present invention;

fig. 3 is a bottom view of the upper wheel disc of the present invention;

FIG. 4 is a schematic structural view of the present invention in an assembled state;

fig. 5 is an enlarged view of a portion a in fig. 1.

Detailed Description

As shown in fig. 1-4, a high-strength integrated flexible sprocket comprises a sprocket body, wherein the sprocket body comprises a lower rim plate 1, an upper rim plate 2, and a rubber sleeve plate 3 clamped between the upper rim plate 2 and the lower rim plate 1, the thickness of the rubber sleeve plate 3 is equal to the distance between the upper rim plate 2 and the lower rim plate 1, and the rubber sleeve plate is clamped by the upper rim plate 2 and the lower rim plate 1. Adopt the three laminar structures of last rim plate 2,

lower rim plate

1, 3 dishes of rubber sleeve, the holistic structural strength of wheel body is higher, and weight is lighter under equal thickness.

As shown in fig. 1, the center of lower rim plate 1 is provided with the inner sleeve 4 that extends up, and the edge of lower rim plate 1 upper surface evenly is provided with a plurality of convex teeth of a cogwheel core 5 up, teeth of a cogwheel core 5 can be fixed on rim plate 1 down through welded form, also can fix on washing rim plate 1 through bolted connection's form, of course, in order to further increase strength, the best structure as an organic whole of rim plate 1 is gone with to teeth of a cogwheel core 5 down. The upper surface of lower rim plate 1 is close to the position of wheel tooth core 5 and is the annular and evenly is provided with a plurality of and connects boss 6, be provided with first screw hole 7 on connecting boss 6. The connecting bosses 6 are used for connecting the wheel disc 2, as shown in fig. 1, the number of the connecting bosses 6 is 16, and actually, more or better connecting bosses can be arranged according to the requirement. The shape of the connecting boss 6 may be a smooth shape such as an oval shape, a circular shape, a drop shape, etc., or a shape such as a triangular shape, a square shape, etc., with a smooth shape being preferred.

As shown in fig. 3, an outer bushing 8 matched with the inner bushing 4 is arranged at the center of the lower surface of the upper wheel disc 2, and a second threaded hole 9 is arranged on the upper wheel disc 2 at a position opposite to the first threaded hole 7. The upper wheel disc 2 is buckled with the lower wheel disc 1 and locked through a connecting bolt. The outer shaft sleeve 8 of the upper wheel disc 2 is sleeved outside the inner shaft sleeve 4 of the lower wheel disc 1, and on the basis, in order to improve positioning stability and reduce shearing force of a connecting bolt when the wheel body rotates, the outer surface of the inner shaft sleeve 4 and the inner surface of the outer shaft sleeve 8 are provided with connecting splines 13 which are meshed with each other.

As shown in fig. 2, the utility model discloses the center of rubber sleeve dish 3 is provided with outer axle sleeve 8 matched with centre bore 10, and the edge of rubber sleeve dish 3 is provided with a plurality ofly and the teeth of a cogwheel core 5 matched with teeth cover 11, and the middle part of rubber sleeve dish 3 is provided with boss hole 12 with the position that is connected 6 facies of boss, 11 covers of the teeth of a cogwheel cover of rubber sleeve dish 3 are established outside the teeth of a cogwheel core 5 of rim plate 1 under, 6 cards of connection boss on the rim plate 1 are established in the boss hole 12 of rubber sleeve dish 3 down, the outer axle sleeve 8 card of going up rim plate 2 is established in centre bore 10.

The utility model discloses a 11 wheel tooth covers on the rubber sleeve dish 3 carry out complete circumference cladding to wheel tooth core 5, and each side all has better cladding characteristic, can effectually avoid sliding, owing to do not adopt the binder to glue, has solved the high temperature gluing inefficacy problem that exists in the traditional gluing mode. Additionally, the utility model discloses lower connection boss 6 on the rim plate 1 plays the effect of being connected the firm foot with last rim plate 2 on the one hand, and on the other hand can also fix a position rubber sleeve dish 3, has the dual function of fixing and fixing a position. On this basis, as shown in fig. 5, the bilateral symmetry of wheel tooth core 5 is provided with hemispherical draw-in groove 14, be provided with draw-in groove 14 matched with lug on the inner wall of wheel tooth cover 11. In this way, the detent 14 and the projection can engage with each other, thereby further reducing the risk of slippage of the cog 11.

Go up outer axle sleeve 8's on rim plate 2 appearance can be for cylindrical, the centre bore 10 of rubber sleeve dish 3 also is circular this moment. However, it is better to use the peripheral surface of the outer sleeve 8 on the upper wheel disc 2 as an inclined surface, and the hole wall of the central hole 10 of the rubber sleeve disc 3 as an inclined surface, and is adapted to the peripheral surface of the outer sleeve 8. After adopting this kind of mode, be convenient for on the one hand the location, on the other hand be convenient for compress tightly rubber sleeve dish 3 for structural strength is higher.

Claims

1. The utility model provides an integral flexible sprocket of excelling in, includes the wheel body, its characterized in that: the wheel body comprises a lower wheel disc (1), an upper wheel disc (2) and a rubber sleeve disc (3) clamped between the upper wheel disc (2) and the lower wheel disc (1);

an inner shaft sleeve (4) extending upwards is arranged at the center of the lower wheel disc (1), a plurality of upwardly convex wheel tooth cores (5) are uniformly arranged at the edge of the upper surface of the lower wheel disc (1), a plurality of connecting bosses (6) are uniformly arranged at positions, close to the wheel tooth cores (5), of the upper surface of the lower wheel disc (1) in an annular shape, and first threaded holes (7) are formed in the connecting bosses (6);

an outer shaft sleeve (8) matched with the inner shaft sleeve (4) is arranged in the center of the lower surface of the upper wheel disc (2), and a second threaded hole (9) is formed in the position, opposite to the first threaded hole (7), of the upper wheel disc (2); the upper wheel disc (2) is buckled with the lower wheel disc (1) and is locked by a connecting bolt; the outer shaft sleeve (8) of the upper wheel disc (2) is sleeved outside the inner shaft sleeve (4) of the lower wheel disc (1);

the thickness of rubber sleeve dish (3) equals the interval of last rim plate (2) and lower rim plate (1), and the center of rubber sleeve dish (3) is provided with central hole (10) with outer axle sleeve (8) matched with, and the edge of rubber sleeve dish (3) is provided with a plurality of and teeth of a cogwheel core (5) matched with teeth of a cogwheel cover (11), and the middle part of rubber sleeve dish (3) is provided with boss hole (12) with the position that is connected boss (6) and is relative, the teeth of a cogwheel cover (11) cover of rubber sleeve dish (3) is established outside teeth of a cogwheel core (5) of rim plate (1) down, connection boss (6) card on lower rim plate (1) is established in boss hole (12) of rubber sleeve dish (3), the outer axle sleeve (8) card of going up rim plate (2) is established in central hole (10).

2. The high strength unitary flexible sprocket as set forth in claim 1, wherein: the peripheral surface of an outer shaft sleeve (8) on the upper wheel disc (2) is an inclined surface, and the hole wall of a central hole (10) of the rubber sleeve disc (3) is also an inclined surface and is matched with the peripheral surface of the outer shaft sleeve (8).

3. The high strength unitary flexible sprocket as set forth in claim 2, wherein: the connecting boss (6) is oval.

4. The high strength integral flexible sprocket as set forth in claim 3, wherein: and the outer surface of the inner shaft sleeve (4) and the inner surface of the outer shaft sleeve (8) are provided with connecting splines (13) which are meshed with each other.

5. The high strength unitary flexible sprocket as set forth in claim 4, wherein: hemispherical clamping grooves (14) are symmetrically formed in two sides of the gear core (5), and convex blocks matched with the clamping grooves (14) are arranged on the inner wall of the gear sleeve (11).

6. The high strength unitary flexible sprocket as set forth in claim 5, wherein: the gear core (5) and the lower wheel disc (1) are of an integral structure.