CN220435340U - Sprocket seat with fine adjustment function - Google Patents

Abstract

The utility model discloses a sprocket seat with a fine tuning function, which comprises a sprocket seat, wherein an arc plate is arranged on one side of the sprocket seat, an annular belt is sleeved outside the arc plate, a vertical plate is arranged on the bottom surface of the arc plate, a transverse plate is arranged at the lower end of the vertical plate, a ring body is arranged at one end of the transverse plate, the ring body is sleeved outside the sprocket seat, an adjusting mechanism for driving the arc plate to move is arranged on the transverse plate, a plurality of limiting plates are arranged on the top surface and the bottom surface of the arc plate, the diameter of each limiting plate is larger than the width of the arc plate, and the inner side surface of each limiting plate is in contact with the side surface of the annular belt. The chain mechanism is simple in structure, the arc-shaped plate can be driven to move towards the chain wheel through the adjusting mechanism, so that the annular belt on the arc-shaped plate can be pressed on the outer side of the chain, the chain can be tightly abutted against the chain wheel, the probability of chain disengagement is greatly reduced, the rotation of the chain can drive the annular belt, and the rotation of the chain is not affected.

Description

Sprocket seat with fine adjustment function

Technical Field

The utility model relates to the technical field of sprocket seats, in particular to a sprocket seat with a fine adjustment function.

Background

The chain transmission is suitable for occasions with long distance between two shafts, unchanged average transmission ratio, relaxed instantaneous transmission ratio, severe working environment (such as more oil, more dust and high temperature) and the like. The chain transmission has the advantages of compact structure, small load acting on the shaft, larger bearing capacity, higher efficiency which can generally reach 96-97%, and the like compared with belt transmission.

At present, a sprocket is generally arranged on a sprocket seat, and a connecting seat is fixed on a rotating shaft of a motorcycle, but the structure of the existing sprocket seat is simple, a loose condition can occur after a chain is used for a long time, and the existing sprocket seat lacks a compressing function for the chain, so that the chain is easy to be separated from the chain, and the use of the motorcycle is affected.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the sprocket seat with the fine adjustment function, which can press a chain through the annular belt, so that the chain can be firmly fixed on the sprocket, and the probability of chain disengagement is greatly reduced.

The utility model is realized by the following technical scheme: the utility model provides a sprocket seat that is equipped with fine setting function, includes sprocket seat, one side of sprocket seat is equipped with the arc, and the outside cover of arc is equipped with the annular area, installs the riser on the bottom surface of arc, and the riser lower extreme is equipped with the diaphragm, and the ring body is installed to the one end of diaphragm, and the outside of sprocket seat is located to the ring body cover, installs the adjustment mechanism who drives the arc and remove on the diaphragm, all installs the polylith limiting plate on the top surface and the bottom surface of arc, and the diameter of limiting plate is greater than the width of arc, and the medial surface of limiting plate contacts with the side of annular area.

As the preferable technical scheme, the both ends of arc all are equipped with the recess, are equipped with the driven voller in the recess respectively, and a part of driven voller extends to the external world along the opening of recess to contradict with the medial surface of annular area, all install the bearing on the top surface and the bottom surface of recess in the embedding, the pivot at driven voller both ends is all installed in the inner circle of bearing.

As the preferable technical scheme, adjustment mechanism includes screw rod, bearing and hand wheel, transversely is equipped with the spout on the lateral surface of diaphragm orientation riser, slidable mounting has the slider in the spout, and the one end of slider is equipped with the screw hole that runs through the slider, and the bearing is embedded to be installed in the one end of spout, and the other end of spout is equipped with the shaft hole with external intercommunication, screw rod threaded connection in the screw hole, and screw rod one end is installed in the inner circle of bearing, and the other end passes the shaft hole and extends to external to with hand wheel fixed connection, and the cross-section of spout and slider is trapezium structure setting.

As the preferable technical scheme, the fixed blocks are arranged on two sides of the transverse plate, and the fixed blocks are provided with fixed holes.

As a preferred solution, the endless belt is made of a rubber material.

As a preferred solution, the arc-shaped plate is made of a metallic material.

As the preferable technical scheme, a positioning groove with an annular structure is arranged on the inner ring surface of the ring body, a positioning ring is arranged on the outer ring surface of the sprocket seat, and the positioning ring is movably arranged in the positioning groove.

The beneficial effects of the utility model are as follows: the chain mechanism is simple in structure, the arc-shaped plate can be driven to move towards the chain wheel through the adjusting mechanism, so that the annular belt on the arc-shaped plate can be pressed on the outer side of the chain, the chain can be tightly abutted against the chain wheel, the probability of chain disengagement is greatly reduced, the rotation of the chain can drive the annular belt, and the rotation of the chain is not affected.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic view of another angle structure of the present utility model.

Wherein, 1, the chain wheel seat; 2. a ring body; 3. an arc-shaped plate; 4. a limiting plate; 5. an endless belt; 6. a cross plate; 7. a slide block; 8. a screw; 9. a hand wheel; 11. a fixed block; 12. a vertical plate.

Description of the embodiments

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

As shown in fig. 1 and 2, the sprocket seat with the fine tuning function comprises a sprocket seat 1, wherein one side of the sprocket seat 1 is provided with an arc plate 3, the outer part of the arc plate 3 is sleeved with an annular belt 5, a vertical plate 12 is arranged on the bottom surface of the arc plate 3, the lower end of the vertical plate 12 is provided with a transverse plate 6, one end of the transverse plate 6 is provided with a ring body 2, the ring body 2 is sleeved outside the sprocket seat 1, the transverse plate 6 is provided with an adjusting mechanism for driving the arc plate 3 to move, the top surface and the bottom surface of the arc plate 3 are provided with a plurality of limiting plates 4, the diameter of each limiting plate 4 is larger than the width of the arc plate 3, and the inner side surface of each limiting plate 4 is contacted with the side surface of the annular belt 5; the annular belt can be limited in front and back through the limiting plate, and the annular belt is prevented from being separated from the arc-shaped plate.

In this embodiment, the both ends of arc 3 all are equipped with the recess, are equipped with the driven voller in the recess respectively, and a part of driven voller extends to the external world along the opening of recess to contradict with the medial surface of annular belt 5, all install the bearing in the embedded mode on the top surface and the bottom surface of recess, the pivot at driven voller both ends all is installed in the inner circle of bearing, makes the annular belt can only rotate along the driven voller, has increased the smoothness nature when annular belt is annular through the rotation of driven voller.

In this embodiment, adjustment mechanism includes screw rod 8, bearing and hand wheel 9, transversely be equipped with the spout on the lateral surface of diaphragm 6 orientation riser 12, slidable mounting has slider 7 in the spout, the one end of slider 7 is equipped with the screw hole that runs through slider 7, the bearing is embedded to be installed in the one end of spout, the other end of spout is equipped with the shaft hole with external intercommunication, screw rod 8 threaded connection is in the screw hole, screw rod 8 one end is installed in the inner circle of bearing, the other end passes the shaft hole and extends to external to with hand wheel 9 fixed connection, the cross-section of spout and slider 7 all is trapezium structure setting.

In this embodiment, the two sides of the transverse plate 6 are both provided with the fixing blocks 11, the fixing blocks 11 are all provided with fixing holes, and screws can pass through the fixing holes to fix the fixing blocks on the stationary equipment, so that the transverse plate can be positioned.

In this embodiment, the endless belt 5 is made of rubber material, and the thickness of the endless belt is thicker, so that the chain can be embedded in the endless belt, the contact area with the endless belt is increased, and the endless belt can be synchronously driven to rotate when the chain rotates.

In this embodiment, the arc plate 3 is made of a metal material, which increases the firmness.

In this embodiment, the inner ring surface of the ring body 2 is provided with a positioning groove with an annular structure, the outer ring surface of the sprocket seat 1 is provided with a positioning ring, and the positioning ring is movably installed in the positioning groove, so that the ring body is not connected with the sprocket seat, and the ring body is not driven to rotate after the sprocket seat rotates.

After the chain wheel is arranged on the chain wheel seat, the chain can be assembled on the chain wheel, after the chain is assembled, the hand wheel can be rotated, the rotation of the hand wheel drives the screw rod, the rotation of the screw rod drives the sliding block, the sliding block drives the vertical plate and the arc plate, the movement of the arc plate drives the annular belt, the annular belt on the arc plate can be pressed on the outer side of the chain, the chain can tightly collide with the chain wheel, the probability of chain disengagement is greatly reduced, and the stability of the chain in running is increased;

and when the hand wheel rotates reversely, the arc plate can be driven to move reversely, and the annular belt is separated from the chain, so that the replacement of the chain is not affected.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims (7)

1. A sprocket seat that is equipped with fine setting function, its characterized in that: including sprocket seat (1), one side of sprocket seat (1) is equipped with arc (3), the outside cover of arc (3) is equipped with annular area (5), install riser (12) on the bottom surface of arc (3), riser (12) lower extreme is equipped with diaphragm (6), ring body (2) are installed to the one end of diaphragm (6), the outside of sprocket seat (1) is located to ring body (2) cover, install the adjustment mechanism that drives arc (3) and remove on diaphragm (6), all install polylith limiting plate (4) on the top surface and the bottom surface of arc (3), the diameter of limiting plate (4) is greater than the width of arc (3), the medial surface of limiting plate (4) contacts with the side of annular area (5).

2. The sprocket seat equipped with a fine adjustment function according to claim 1, wherein: the both ends of arc (3) all are equipped with the recess, are equipped with the driven voller in the recess respectively, and a part of driven voller extends to the external world along the opening of recess to contradict with the medial surface of annular belt (5), all install the bearing on the top surface and the bottom surface of recess in the embedding, the pivot at driven voller both ends is all installed in the inner circle of bearing.

3. The sprocket seat equipped with a fine adjustment function according to claim 1, wherein: the adjusting mechanism comprises a screw (8), a bearing and a hand wheel (9), wherein a chute is transversely arranged on one side face of the transverse plate (6) facing the vertical plate (12), a sliding block (7) is slidably arranged in the chute, one end of the sliding block (7) is provided with a screw hole penetrating through the sliding block (7), the bearing is embedded in one end of the chute, the other end of the chute is provided with a shaft hole communicated with the outside, the screw (8) is in threaded connection with the screw hole, one end of the screw (8) is arranged in an inner ring of the bearing, the other end of the screw passes through the shaft hole to extend to the outside and is fixedly connected with the hand wheel (9), and the sections of the chute and the sliding block (7) are all in a trapezoid structure.

4. The sprocket seat equipped with a fine adjustment function according to claim 1, wherein: the both sides of diaphragm (6) all install fixed block (11), all are equipped with the fixed orifices on fixed block (11).

5. The sprocket seat equipped with a fine adjustment function according to claim 1, wherein: the endless belt (5) is made of a rubber material.

6. The sprocket seat equipped with a fine adjustment function according to claim 1, wherein: the arc plate (3) is made of a metal material.

7. The sprocket seat equipped with a fine adjustment function according to claim 1, wherein: the inner ring surface of the ring body (2) is provided with a positioning groove with an annular structure, the outer ring surface of the sprocket seat (1) is provided with a positioning ring, and the positioning ring is movably arranged in the positioning groove.