CN220770078U

CN220770078U - Novel belt pulley

Info

Publication number: CN220770078U
Application number: CN202321710974.XU
Authority: CN
Inventors: 刘敏
Original assignee: Dongguan Minxin Industrial Co ltd
Current assignee: Dongguan Minxin Industrial Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2024-04-12
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a novel belt pulley, which is characterized in that two disc bodies are detachably and fixedly connected to form a belt pulley with a pulley groove, a fixing structure for connecting with a transmission shaft is arranged at the circular position of the disc bodies, and the novel belt pulley can be fixedly connected with the transmission shaft through the fixing structure during installation so as to pivot along with the rotation of the transmission shaft.

Description

Novel belt pulley

Technical Field

The utility model relates to the technical field of belt pulleys, in particular to a novel belt pulley.

Background

The working principle of the belt pulley is that a belt connects a driving wheel with a driven wheel, the running power of the wheel body is realized by the friction force generated by the friction between the wheel body and the belt, the wheel body is connected with a transmission shaft of a driving mechanism, for example, the driving wheel is connected with a rotating end of a motor, the driven wheel is connected with a rolling shaft, and the manufacturing process is mainly casting and forging. The large-size design is cast, the material is cast iron, and cast steel is rarely used; smaller in size, can be designed to be forged and made of rigid materials.

However, most of the existing belt pulleys are of an integrated structure, after long-time use, abrasion can occur, the abrasion can cause errors in belt transmission, maintenance is difficult, the belt pulleys are generally replaced by new belt pulleys directly, and the casting cost or the production cost of the belt pulleys of the integrated structure is high, so that the material waste can be caused by directly replacing the new belt pulleys, and the replacement cost of users is also increased.

Disclosure of Invention

The utility model mainly aims to provide a novel belt pulley, and aims to solve the problems in the background technology.

In order to achieve the above purpose, the utility model provides a novel belt pulley, which comprises two disc bodies, wherein the two disc bodies are detachably and fixedly connected to form the belt pulley with a pulley groove, a fixing structure for connecting with a transmission shaft is arranged at the center of a circle of the disc bodies, the fixing structure is a connecting piece fixedly connected with the disc bodies, a screw hole is arranged at the position of the connecting piece corresponding to the center of the circle of the disc bodies, and after the two disc bodies are connected to form the belt pulley, the two screw holes are axially aligned and communicated.

According to the technical scheme, the belt pulley with the wheel grooves is formed by the two disc bodies in a detachable and fixed connection mode, the fixing structure used for being connected with the transmission shaft is arranged at the round position of the disc bodies, and the fixing structure can be fixedly connected with the transmission shaft during installation, so that the belt pulley can pivot along with rotation of the transmission shaft.

Drawings

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

FIG. 2 is a schematic view of a tray;

fig. 3 is a side view of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiment of the present utility model, directional indications (such as up, down, left, right, front, rear, top, bottom, inner, outer, vertical, lateral, longitudinal, counterclockwise, clockwise, circumferential, radial, axial … …) are referred to, and the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first" or "second" etc. in the embodiments of the present utility model, the description of "first" or "second" etc. is only for descriptive purposes, and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a novel belt pulley.

In the embodiment of the utility model, as shown in fig. 1 to 3, the novel belt pulley comprises two disc bodies 1, wherein the two disc bodies 1 are detachably and fixedly connected to form the belt pulley with the pulley groove 100, the center of the disc body 1 is provided with a fixing structure for being connected with a transmission shaft, the fixing structure is a connecting piece fixedly connected with the disc body 1, the position, corresponding to the center of the disc body 1, of the connecting piece is provided with a screw hole 41, and after the two disc bodies 1 are connected to form the belt pulley, the two screw holes 41 are axially aligned and communicated.

Specifically, in this embodiment, for use with a screw-type transmission shaft, a spherical concave 42 is disposed at a center of the disc 1, a hollow tubular member 43 is extended in a direction away from another disc 1 at a position corresponding to the center of the disc 1 in the spherical concave 42, the hollow region of the tubular member 43 further penetrates the spherical concave 42, the spherical concave 42 cooperates with the tubular member 43 to form the connector, and threads are disposed on an inner wall of the tubular member 43 to form the screw hole 41.

In particular, in another embodiment, the connection is fixed to the tray 1 by means of a screw lock or by means of a snap-in structure.

Specifically, the tray body 1 is further provided with a plurality of lock holes 11, the plurality of lock holes 11 are annularly distributed at intervals and enclose the fixing structure therein, and bolts or rivets 5 sequentially pass through the lock holes 11 on the two tray bodies 1 and lock the two tray bodies 1. In this embodiment, rivets are used to lock the two discs.

Specifically, the tray body 1 is a metal product.

Further, the tray 1 is preferably made of galvanized metal, iron or stainless steel.

Specifically, as shown in fig. 2 and 3, the disc body 1 includes a disc member 12 having a first peripheral edge 121 at an outer edge thereof, and an annular member 13 having a second peripheral edge 131 at an outer edge thereof, the inner ring of the annular member 13 is adapted to the first peripheral edge 121, one side of the first peripheral edge 121 away from the disc member 12 is connected with the inner ring of the annular member 13 to form the disc body 1, the annular member 13 is inclined with respect to the first peripheral edge 121, after the two disc bodies 1 are connected to form a pulley, the two first peripheral edges 121 are spliced to form a bottom wall of the wheel groove 100, the two annular members 13 respectively form side walls of the two sides of the wheel groove 100, when the axial length of the first peripheral edge 121 is longer, the wheel groove 100 is wider, the axial length of the first peripheral edge 121 is shorter, the wheel groove 100 is narrower, and the wheel groove 100 with a proper width can be selected according to requirements.

Specifically, the circular plate member 12 and the annular member 13 are integrally formed, such as by stamping.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A novel belt pulley, characterized in that: including two disk body (1), two fixed connection forms the belt pulley that has wheel groove (100) can be dismantled to disk body (1), the centre of a circle position of disk body (1) is equipped with the fixed knot who is used for being connected with the transmission shaft constructs, fixed knot constructs for the connecting piece with disk body (1) fixed connection, the position that the connecting piece corresponds disk body (1) centre of a circle is equipped with screw (41), two after disk body (1) are connected and are formed the belt pulley, two screw (41) axial alignment and intercommunication.

2. The novel pulley as in claim 1, wherein: the novel multifunctional disc is characterized in that a spherical concave position (42) is arranged at the circle center of the disc body (1), a hollow tubular member (43) is arranged at the position, corresponding to the circle center of the disc body (1), of the spherical concave position (42) in a direction away from the other disc body (1), the hollow region of the tubular member (43) is used for penetrating the spherical concave position (42), the spherical concave position (42) is matched with the tubular member (43) to form the connecting piece, and threads are arranged on the inner wall of the tubular member (43) to form the screw hole (41).

3. The novel pulley as in claim 1, wherein: the connecting piece is fixed on the tray body (1) through screw locking or through a buckle structure.

4. The novel pulley as in claim 1, wherein: the tray body (1) is further provided with a plurality of lock holes (11), the plurality of lock holes (11) are annularly distributed at intervals and enclose the fixing structure in the lock holes, and bolts or rivets (5) sequentially penetrate through the lock holes (11) on the two tray bodies (1) to lock the two tray bodies (1).

5. The novel pulley as in claim 1, wherein: the tray body (1) is a metal product.

6. The novel pulley as in claim 1, wherein: the tray body (1) is made of galvanized metal, iron or stainless steel.

7. The novel pulley as in any one of claims 1 to 6, wherein: the disc body (1) comprises a circular plate member (12) with a first surrounding edge (121) at the outer edge and an annular member (13) with a second surrounding edge (131) at the outer edge, the inner ring of the annular member (13) is matched with the first surrounding edge (121), one side, far away from the circular plate member (12), of the first surrounding edge (121) is connected with the inner ring of the annular member (13) to form the disc body (1), the annular member (13) is obliquely opposite to the first surrounding edge (121), after the two disc bodies (1) are connected to form a belt pulley, the two first surrounding edges (121) are spliced to form the bottom wall of the wheel groove (100), and the two annular members (13) respectively form side walls at two sides of the wheel groove (100).