Stacked ratchet wheel stable in operation

Abstract

The utility model relates to a ratchet wheel, in particular to a stacked ratchet wheel stable in operation, which comprises a wheel body, a plurality of ratchets are arranged on the periphery of the wheel body, a shaft hole is arranged in the middle of the wheel body, grooves are arranged on the periphery of the shaft hole at equal intervals, and a main reinforcing rib is fixedly connected between two side walls of each groove. A branch reinforcing rib is fixedly connected between the main reinforcing rib and the bottom side wall of the groove, the rigidity of the shaft hole part can be improved by arranging the main reinforcing rib and the branch reinforcing rib, the deformation of the shaft hole when the ratchet wheel is stressed is reduced, and the ratchet wheel is kept stable in the operation process.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ratchet wheel, specifically relates to a layered ratchet wheel with stable operation. BACKGROUND

[0002] Ratchet wheel, defined as a kind of rigid toothed surface or friction surface on outer edge or inner edge, is an important component of ratchet mechanism, is stepped motion by pawl push, and the feature of this meshing movement is that ratchet wheel can only rotate in one direction, and cannot reverse.

[0003] In the operation of ratchet mechanism, the friction between parts can generate heat and wear, and with long-term use, ratchet operation instability gradually appears, and ratchet operation instability can produce adverse effects in many aspects, such as aggravating the wear of parts, unstable power transmission, leading to the decline of safety performance and work efficiency, so it is necessary to develop a layered ratchet wheel with stable operation. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the insufficient ratchet operation instability in the prior art, and provides a layered ratchet wheel with stable operation to solve the above problems.

[0005] The utility model relates to a layered ratchet wheel with stable operation, which comprises a wheel body, a plurality of ratchet teeth are arranged on the outer periphery of the wheel body, an axle hole is arranged in the middle of the wheel body, a groove is equidistantly arranged on the outer periphery of the axle hole, a main reinforcing rib is fixedly connected between the two side walls of the groove, and a branch reinforcing rib is fixedly connected between the main reinforcing rib and the bottom side wall of the groove.

[0006] Preferably, the number of branch reinforcing ribs is two, and the opposite sides of the two branch reinforcing ribs and the bottom side wall of the groove form a triangular shape.

[0007] Preferably, an elastic sleeve is arranged in the groove, and one side of the elastic sleeve is attached to the outer surface of the main reinforcing rib.

[0008] Preferably, the other side of the elastic sleeve is flush with the outer periphery of the axle hole.

[0009] Preferably, a plurality of weight-reducing through holes are arranged on the wheel body in a circumferential distribution with the center of the axle hole as the center.

[0010] The utility model has the following beneficial effects:

[0011] 1. The running stable laminated ratchet wheel, the middle part of the wheel body is provided with an axle hole, equidistant grooves are arranged on the outer periphery of the axle hole, main reinforcing ribs are fixedly connected between the two side walls of the grooves, the main reinforcing ribs and the bottom side wall of the grooves are fixedly connected with branch reinforcing ribs, the rigidity of the axle hole part can be improved by arranging the main reinforcing ribs and the branch reinforcing ribs, the deformation amount of the axle hole under stress is reduced, and the ratchet wheel remains stable during operation.

[0012] 2. The number of branch reinforcing ribs is two, the opposite sides of the two branch reinforcing ribs and the bottom side wall of the groove form a triangular shape, the stability of the structure is enhanced by the stability characteristics of the triangular shape, and the rigidity of the axle hole part is further improved.

[0013] 3. An elastic sleeve is bonded in the groove, one side of the elastic sleeve is attached to the outer surface of the main reinforcing rib, and the other side of the elastic sleeve is flush with the outer periphery of the axle hole, the elastic sleeve can absorb and buffer the impact and vibration between the shaft and the axle hole during use, reduce the unstable phenomenon caused by installation error or load change, and the elastic connection mode can also compensate for the size deviation between the shaft and the axle hole to a certain extent, improve the adaptability of the cooperation and the stability during operation. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only one embodiment of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0015] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0016] Figure 2 It is a front view of the present application;

[0017] Figure 3 It is Figure 1 the enlarged view of A;

[0018] The marks in the drawings are:

[0019] 1, wheel body; 2, ratchet teeth; 3, axle hole; 4, groove; 5, main reinforcing rib; 6, branch reinforcing rib; 7, elastic sleeve; 8, weight reduction through hole. DETAILED DESCRIPTION

[0020] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the following will make a clear and complete description of the technical scheme in the specific embodiment of the utility model, so as to further illustrate the utility model. Obviously, the specific embodiment described is only a part of the embodiment of the utility model, rather than all the modes.

[0021] The following will be combined with the drawings of the utility model Figures 1-3 The utility model will be further described in detail.

[0022] Embodiment 1:

[0023] A kind of stable operation's laminated ratchet wheel, including wheel body 1, wheel body 1 adopts multiple layers of wheel piece superposition welding and is formed, more solid and durable, the outer periphery of wheel body 1 is equipped with several ratchet teeth 2, the middle part of wheel body 1 is equipped with shaft hole 3, equidistantly recess 4 is opened in the outer periphery of shaft hole 3, main reinforcing rib 5 is fixedly connected between the two side walls of recess 4, main reinforcing rib 5 and the bottom side wall of recess 4 are fixedly connected with branch reinforcing rib 6, the rigidity of shaft hole 3 part can be improved by setting main reinforcing rib 5 and branch reinforcing rib 6, the deformation amount of shaft hole 3 when being stressed is reduced, so that the ratchet wheel remains stable in the operation process.

[0024] In the embodiment, the number of branch reinforcing rib 6 is two, the opposite sides of the two branch reinforcing rib 6 and the bottom side wall of recess 4 are combined to form the shape of triangle, the stability of structure is enhanced by the stability characteristics of triangular shape, and the rigidity of shaft hole 3 part is further improved.

[0025] In the embodiment, elastic sleeve 7 is bonded in recess 4, one side of elastic sleeve 7 is attached to the outer surface of main reinforcing rib 5, the other side of elastic sleeve 7 is flush with the outer periphery of shaft hole 3, elastic sleeve 7 can absorb and buffer the impact and vibration between shaft and shaft hole 3 during use, and reduce the unstable phenomenon caused by installation error or load change. Moreover, the elastic connection mode can also compensate the size deviation between shaft and shaft hole 3 to a certain extent, improve the adaptability of cooperation and the stability in the operation process.

[0026] In the embodiment, a plurality of weight reduction through holes 8 are distributed and opened in the circumferential direction of wheel body 1 with the center of shaft hole 3 as the center, so that the weight of wheel body 1 can be greatly reduced without increasing the size of wheel body 1, and the normal rotation of shaft and the stability of power transmission can be ensured.

[0027] It should be noted that according to the needs of implementation, each component described in the embodiments of the present application can be split into more components, or two or more components or parts of components can be combined into new components to achieve the purpose of the embodiments of the present application. The above embodiments only express several implementation modes of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of protection of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A smooth running laminated ratchet comprising a wheel body (1) characterised in that: The outer periphery of the wheel body (1) is provided with a plurality of ratchet teeth (2), the middle part of the wheel body (1) is provided with a shaft hole (3), the outer periphery of the shaft hole (3) is equidistantly provided with a groove (4), the two side walls of the groove (4) are fixedly connected with a main reinforcing rib (5), and the bottom side wall of the groove (4) is fixedly connected with a branch reinforcing rib (6).

2. A smooth running stacked ratchet according to claim 1 wherein: The number of the branch reinforcing rib (6) is two, and the opposite sides of the two branch reinforcing ribs (6) and the bottom side wall of the groove (4) combine to form a triangular shape.

3. A smooth running stacked ratchet according to claim 1 wherein: The groove (4) is provided with an elastic sleeve (7), and one side of the elastic sleeve (7) is attached to the outer surface of the main reinforcing rib (5).

4. A smooth running stacked ratchet according to claim 3 wherein: The other side of the elastic sleeve (7) is flush with the outer periphery of the shaft hole (3).

5. A smooth running laminated ratchet according to claim 1 wherein: A plurality of weight-reducing through holes (8) are arranged on the wheel body (1) in a circumferential distribution with the center of the shaft hole (3) as the center.

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