One-way clutch integrated with internal gear

Abstract

The utility model discloses a one-way clutch integrated with an internal gear, which comprises an outer ring, a gear ring is fixedly arranged on the inner side surface of the outer ring, tooth bulges are arranged on the inner side surface of the gear ring, the tooth bulges are uniformly distributed on the inner side surface of the gear ring, and positioning bulges are arranged on the outer surface of the gear ring. The outer surfaces of the positioning protrusions are clamped to the inner side surface of the outer ring in a sliding mode, the outer surfaces of the positioning protrusions are fixed to the inner side surface of the outer ring through first bolts, a roller positioning groove is formed in the inner side surface of the other end of the outer ring, and the inner side surface of the roller positioning groove of the outer ring is filled with rollers. The first convex ring and the second convex ring are slidably mounted on the outer surface of the roller, the gear ring is independently designed and mounted in the outer ring to be fixed, the gear ring can be independently replaced during replacement, the roller mounting structure is arranged in the gear ring, the two convex rings are mounted and combined to form the inner ring, the inner ring can be supported outside the roller to rotate, positioning can be achieved through clamping mounting, the mechanism is simple, and mounting and dismounting are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the one -way clutch of integrated internal gear field more specifically, relate to a one -way clutch of integrated internal gear. BACKGROUND

[0002] In the related art, the one-way clutch is often used in various machine tools, machines and vehicles in various industries, which mainly realizes the function that the clutch can only run in one direction and is locked in the other direction through the one-way stop structure. In the planetary gear transmission mechanism of the electric power-assisted bicycle hub motor, the inner teeth of the outer planet wheel are usually connected to the one-way clutch in the form of interference press-fitting or interference plus gluing. This connection method often causes the outer ring and the inner teeth of the one-way clutch after press-fitting to deform or have insufficient interference, resulting in early failure of the one-way clutch or loss of functionality of the planetary gear transmission mechanism, or causing large noise problems in the meshing of the outer planet wheel and the planet wheel. At the same time, there are defects and deficiencies such as heavy weight of the motor and large structural space occupation.

[0003] Therefore, in order to solve the above-mentioned shortcomings of the connection method of the inner teeth of the outer planet wheel of the existing hub motor to the one-way clutch, there is an urgent need in the market to design a one-way clutch with reasonable structure design, convenient disassembly and replacement, greatly reduced use cost and high use safety factor. In the prior art, such as the authorized announcement No. CN220354280U, the one-way clutch with integrated internal gear includes an inner ring, an outer ring, a rolling structure and a one-way stop structure. The rolling structure and the one-way stop structure are respectively arranged between the inner ring and the outer ring. The rolling structure is used to roll and support the outer ring. The one-way stop structure is used to make the outer ring rotate in one direction relative to the inner ring and be locked in the reverse direction. The outer ring extends in the axial direction to form a coaxially arranged gear ring. The inner surface of the gear ring is provided with internal teeth. By forming a gear ring on the outer ring of the one-way clutch as the gear ring of the planetary gear transmission mechanism, the outer ring and the gear ring are presented as an integrated structure, increasing the rigidity of the mechanism and the torque transmitted by the one-way clutch without being limited by interference or key groove assembly. The structure occupies a small space, reduces the weight of the hub motor, and is convenient to disassemble, install and replace, with high use safety factor.

[0004] In the above-mentioned patent, the teeth and the outer ring are integrated, and when one of the teeth is damaged, the entire outer ring structure needs to be replaced, which is inconvenient to replace. The built-in bearing assembly structure is still installed by interference fitting with a ball retainer, which is complex and inconvenient to assemble and disassemble. UTILITY MODEL CONTENTS

[0005] The utility model discloses a one-way clutch of integrated internal gear aims at the problems in prior art, through the gear ring separate design, install in the fixed of outer ring, when replacing, can be replaced alone, built -in roller installation structure, convex ring two groups install and merge and form the inner ring, it can support in the rotation of roller outer, clamping installation can position, simple mechanism, convenient to assemble and disassemble.

[0006] To solve the above problems, the utility model adopts the following technical scheme.

[0007] A one-way clutch of integrated internal gear, including the outer ring, the inner side surface of the outer ring is fixedly installed with gear ring, the inner side surface of the gear ring is provided with tooth protrusion, the tooth protrusion evenly distributes and is provided on the inner side surface of the gear ring, the outer surface of the gear ring is provided with positioning protrusion, the outer surface of the positioning protrusion is slidably connected in the inner side surface of the outer ring, the outer surface of the positioning protrusion is fixed in the inner side surface of the outer ring through first bolt, the other end inner side surface of the outer ring is provided with roller positioning groove, the inner side surface of the roller positioning groove of the outer ring is filled with roller, the outer surface of the roller is slidably installed with first convex ring and second convex ring, the first convex ring and the second convex ring are fixedly connected with each other through second bolt, the outer end surface of the first convex ring and the second convex ring is supported on the outer surface of the roller, through the gear ring separate design, install in the fixed of outer ring, when replacing, can be replaced alone, built -in roller installation structure, convex ring two groups install and merge and form the inner ring, it can support in the rotation of roller outer, clamping installation can position, simple mechanism, convenient to assemble and disassemble.

[0008] Further, the outer surface of the first convex ring is fixed to the outer surface of the second convex ring by the second bolt, and the second bolt is fixed by multiple points.

[0009] Further, the outer end inner side surface of the outer ring is provided with a positioning clamping groove, and the outer surface of the positioning protrusion is slidably connected to the inner side surface of the positioning clamping groove.

[0010] Further, the positioning protrusions are distributed and arranged on the outer surface of the gear ring at the periphery, and the positioning clamping grooves are distributed and arranged on the inner side surface of the outer ring at the periphery.

[0011] Further, the roller is a cylindrical roller, the outer surface of the roller is slidably connected to the inner side surface of the roller positioning groove, and the outer end of the roller protrudes from the inner side of the outer ring.

[0012] Further, the roller is supported on the outer end outer surfaces of the first convex ring and the second convex ring, and the outer end outer surfaces of the first convex ring and the second convex ring are treated by smooth polishing and grinding.

[0013] Further, key grooves are arranged on the surfaces of the first convex ring and the second convex ring.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] (1) through gear ring individual design, install in the fixed inner circle, when replacing alone can replace, built-in roller installation structure, convex ring two groups install and merge to form the inner circle, it can support in the roller outer rotation, clamping installation can position, mechanism is simple, convenient to assemble and disassemble. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the first schematic view of the whole structure of the utility model;

[0017] Figure 2 It is the second schematic view of the whole structure of the utility model;

[0018] Figure 3 It is the third schematic view of the whole structure of the utility model;

[0019] Figure 4 It is the side surface cross section schematic view of the whole structure of the utility model;

[0020] Figure 5 It is the outer circle and the roller positioning groove distribution structure schematic view of the utility model.

[0021] Mark explanation in drawing:

[0022] 1 outer circle, 2 gear ring, 3 tooth protrusion, 4 positioning protrusion, 5 first bolt, 6 roller positioning groove, 7 roller, 8 first convex ring, 9 second convex ring, 10 second bolt, 11 keyway, 40 positioning clamping groove. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Embodiment 1: please refer to Figures 1-5The utility model provides a kind of integrated one-way clutch of internal gear, including outer ring 1, the inner side surface of outer ring 1 is fixedly installed with gear ring 2, the inner side surface of gear ring 2 is provided with tooth protrusion 3, tooth protrusion 3 is evenly distributed and is arranged on the inner side surface of gear ring 2, the outer surface of gear ring 2 is provided with positioning protrusion 4, the outer surface of positioning protrusion 4 is slidably connected in the inner side surface of outer ring 1, the outer surface of positioning protrusion 4 is fixed in the inner side surface of outer ring 1 by first bolt 5, the inner side surface of other end of outer ring 1 is provided with roller positioning groove 6, the inner side surface of roller positioning groove 6 of outer ring 1 is filled with roller 7, the outer surface of roller 7 is slidably installed with first convex ring 8 and second convex ring 9, first convex ring 8 and second convex ring 9 are fixedly connected by second bolt 10, and the outer end surface of first convex ring 8 and second convex ring 9 is supported on the outer surface of roller 7;Gear ring is designed separately, is fixed in outer ring, and can be replaced separately when replacing, built-in roller installation structure, convex ring two groups are installed and combined to form inner ring, which can be supported on the outer rotation of roller, and is positioned by clamping installation, mechanism is simple, and it is convenient to assemble and disassemble;

[0025] The outer surface of first convex ring 8 is fixed on the outer surface of second convex ring 9 by second bolt 10, and second bolt 10 is fixed by multiple points;It is convenient to be fixed mutually, and it is convenient to install and disassemble;

[0026] The outer end inner side surface of outer ring 1 is provided with positioning clamping groove 40, and the outer surface of positioning protrusion 4 is slidably connected to the inner side surface of positioning clamping groove 40;When installing, positioning protrusion 4 is clamped into positioning clamping groove 40, and the installation of gear ring 2 is stable;

[0027] Positioning protrusion 4 is distributed and arranged on the outer surface of the periphery of gear ring 2, and positioning clamping groove 40 is distributed and arranged on the inner side surface of outer ring 1;Four groups are distributed and arranged, and are stably supported when clamping installation;

[0028] Roller 7 adopts cylindrical roller, the outer surface of roller 7 is slidably clamped in the inner side surface of roller positioning groove 6, and the outer end of roller 7 protrudes from the inner side of outer ring 1;Roller 7 is attached and supported on the outer end outer surface of first convex ring 8 and second convex ring 9, and the outer end outer surface of first convex ring 8 and second convex ring 9 is treated by smooth polishing and polishing;When rotating, the attachment roller 7 can reduce friction, and is stably supported when rotating;

[0029] The surface of first convex ring 8 and second convex ring 9 is provided with key groove 11;It is convenient for subsequent installation and use;

[0030] When it is installed, the roller 7 is installed first, the inner side surface of the other end of the outer ring 1 is provided with a roller positioning groove 6, the inner side surface of the roller positioning groove 6 of the outer ring 1 is filled with the roller 7, after the roller 7 is installed, the first convex ring 8 is first clamped into the outer end of the outer ring 1 and supported on one side of the roller 7, then the second convex ring 9 is clamped into the back of the outer ring 1, the second convex ring 9 is combined with the first convex ring 9 and supported on the outer surface of the protruding part of the roller 7, the first convex ring 8 and the second convex ring 9 are fixedly connected with each other through the second bolt 10, and the outer end surface of the first convex ring 8 and the second convex ring 9 is supported on the outer surface of the roller 7; the outer surface of the first convex ring 8 is fixed on the outer surface of the second convex ring 9 through the second bolt 10, and the second bolt 10 is fixed in multiple points; it is convenient to fix each other, convenient to install and convenient to disassemble, the first convex ring 8 and the second convex ring 9 are combined to form an inner ring structure, and an interference fit is not needed for installation, so that installation and disassembly are convenient, the structure is simple, and the cost is low;

[0031] The gear ring 2 is installed again, the outer surface of the gear ring 2 is provided with a positioning protrusion 4, the outer surface of the positioning protrusion 4 is slidably clamped on the inner side surface of the outer ring 1, the outer surface of the positioning protrusion 4 is fixed on the inner side surface of the outer ring 1 through the first bolt 5, the outer end inner side surface of the outer ring 1 is provided with a positioning clamping groove 40, and the outer surface of the positioning protrusion 4 is slidably connected to the inner side surface of the positioning clamping groove 40; when installed, the positioning protrusion 4 is clamped into the positioning clamping groove 40, and the gear ring 2 is stably installed and positioned; the positioning protrusions 4 are distributed and arranged on the outer surfaces of the four circumferences of the gear ring 2, and the positioning clamping grooves 40 are distributed and arranged on the inner side surfaces of the outer ring 1; four groups are distributed and arranged, and clamping and installation are stable; installation is convenient and stable, and when disassembled, only the gear ring 2 needs to be taken out alone for replacement after the bolt is disassembled, and use is convenient.

[0032] The above merely describes a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited to this. Any person skilled in the art, according to the technical scheme and improvement concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An integrated one-way clutch with internal gear, comprising an outer ring (1), characterized in that: The inner side surface of the outer ring (1) is fixedly installed with a gear ring (2), the inner side surface of the gear ring (2) is provided with gear teeth protrusions (3), the gear teeth protrusions (3) are uniformly arranged on the inner side surface of the gear ring (2), the outer surface of the gear ring (2) is provided with a positioning protrusion (4), the outer surface of the positioning protrusion (4) is slidably connected to the inner side surface of the outer ring (1), the outer surface of the positioning protrusion (4) is fixed to the inner side surface of the outer ring (1) by a first bolt (5), the other end inner side surface of the outer ring (1) is provided with a roller positioning groove (6), the inner side surface of the roller positioning groove (6) of the outer ring (1) is filled with a roller (7), the outer surface of the roller (7) is slidably installed with a first convex ring (8) and a second convex ring (9), the first convex ring (8) and the second convex ring (9) are fixedly connected to each other by a second bolt (10), and the outer end surfaces of the first convex ring (8) and the second convex ring (9) are supported on the outer surface of the roller (7).

2. A one-way clutch with integrated ring gear according to claim 1, characterized in that The outer surface of the first convex ring (8) is fixed to the outer surface of the second convex ring (9) by the second bolt (10), and the second bolt (10) is fixed in multiple points.

3. A one-way clutch with integrated ring gear according to claim 1, characterized in that: The outer end inner side surface of the outer ring (1) is provided with a positioning clamping groove (40), and the outer surface of the positioning protrusion (4) is slidably connected to the inner side surface of the positioning clamping groove (40).

4. A one-way clutch with integrated ring gear according to claim 3, characterized in that The positioning protrusions (4) are arranged on the outer surface of the gear ring (2), and the positioning clamping grooves (40) are arranged on the inner side surface of the outer ring (1).

5. A one-way clutch with integrated ring gear according to claim 1, characterized in that: The roller (7) is a cylindrical roller, the outer surface of the roller (7) is slidably connected to the inner side surface of the roller positioning groove (6), and the outer end of the roller (7) protrudes out of the inner side of the outer ring (1).

6. A one-way clutch with integrated ring gear according to claim 1, characterized in that: The roller (7) is supported on the outer end outer surfaces of the first convex ring (8) and the second convex ring (9), and the outer end outer surfaces of the first convex ring (8) and the second convex ring (9) are subjected to smooth polishing treatment.

7. A one-way clutch with integrated ring gear according to claim 1, characterized in that: The surfaces of the first convex ring (8) and the second convex ring (9) are provided with key grooves (11).

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