Split type combined wheel

Abstract

The utility model discloses a split type combination wheel, which belongs to the field of chain wheels and comprises a gear ring body, a chain wheel body is arranged in the center of the gear ring body, and the gear ring body and the chain wheel body are connected together through a connecting piece. The gear ring body comprises a first split gear ring and a second split gear ring, a first connecting part is arranged on the first split gear ring, and a second connecting part matched with the first connecting part is arranged on the second split gear ring; the first connecting part comprises a first groove, and a first protrusion is arranged on the inner side of the first groove. The second connecting part comprises a second protrusion matched with the first groove, and a second groove matched with the first protrusion is formed in the inner side of the second protrusion. The chain wheel is arranged to be of a split structure, after teeth are abraded, only the gear ring body needs to be detached for replacement, the chain wheel body is not prone to abrasion and does not need to be replaced, materials and maintenance cost are saved, and operation is easy. The gear ring body is designed to be of a split structure, so that mounting, dismounting and replacement are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to chain wheel field, especially a split type combination wheel. BACKGROUND

[0002] In prior art, chain transmission motor car, especially three-wheel motorcycle, its differential chain wheel is sleeved in rear axle half shaft and differential intermediate, the chain wheel is vulnerable spare, needs to change frequently, but when disassembling the chain wheel, the half shaft, bearing, bearing seat and oil seal on its two sides are first disassembled, and then the chain wheel can be taken out, and the oil seal, oil bearing seat and differential left and right shell are damaged frequently, and it is very troublesome, and the teeth of the chain wheel are usually worn in the use process, and other parts are not easy to wear, so that the whole is replaced, and great waste is caused. SUMMARY

[0003] The utility model discloses a split type combination wheel, and solves the problems of the whole structure of the existing chain wheel, the whole replacement during maintenance, the inconvenient disassembly and installation and material waste.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] The utility model discloses a split type combination wheel, which comprises a gear ring body, a chain wheel body is arranged at the center of the gear ring body, and the gear ring body and the chain wheel body are connected together through a connecting piece.

[0006] The gear ring body comprises a first split gear ring and a second split gear ring, a first connecting part is arranged on the first split gear ring, and a second connecting part matched with the first connecting part is arranged on the second split gear ring.

[0007] The first connecting part comprises a first recess, and a first protrusion is arranged on the inner side of the first recess; the second connecting part comprises a second protrusion matched with the first recess, and a second recess matched with the first protrusion is arranged on the inner side of the second protrusion.

[0008] Further, the chain wheel body comprises a body, a boss is arranged on the body, and the central through hole of the first split gear ring and the second split gear ring after splicing together is matched with the boss.

[0009] Still further, a plurality of third mounting holes connected with the flange plate are arranged on the boss.

[0010] Further, the first split gear ring and the second split gear ring are provided with first mounting holes, the first mounting holes are parallel to the axis of the first split gear ring and the second split gear ring, the body is provided with second mounting holes matched with the first mounting holes, the second mounting holes are parallel to the axis of the body, and the connecting piece is connected in the second mounting holes after penetrating the first mounting holes.

[0011] Further, one side of the first split gear ring and the second split gear ring is provided with a connecting table, the connecting table is provided with a fourth mounting hole, the fourth mounting hole is perpendicular to the axis of the connecting table, the boss is provided with a fifth mounting hole matched with the fourth mounting hole, the fifth mounting hole is perpendicular to the axis of the boss, and the connecting piece is connected in the fifth mounting hole after penetrating the fourth mounting hole.

[0012] Compared with the prior art, the beneficial technical effects of the utility model are:

[0013] The chain wheel is provided as a split structure, the gear ring body and the chain wheel body are detachably connected through the connecting piece, after tooth wear, only the gear ring body needs to be disassembled and replaced, the chain wheel body is not easy to wear and does not need to be replaced, material is saved, maintenance cost is saved, and operation is simple. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be further described below in combination with the drawings.

[0015] Figure 1 It is the top view of the utility model embodiment one;

[0016] Figure 2 It is the top view of the gear ring body of the utility model embodiment one;

[0017] Figure 3 It is the top view of the chain wheel body of the utility model embodiment one;

[0018] Figure 4 It is Figure 1 The sectional view of direction A-A;

[0019] Figure 5 It is the top view of the utility model embodiment two;

[0020] Figure 6 It is the top view of the gear ring body of the utility model embodiment two;

[0021] Figure 7 It is the top view of the chain wheel body of the utility model embodiment two;

[0022] Figure 8 For Figure 5 A sectional view in the direction of B-B.

[0023] Reference numerals: 1, gear ring body; 2, sprocket body; 3, connecting piece;

[0024] 1-1, first split gear ring; 1-1-1, first connecting part; 1-1-1-1, first groove; 1-1-1-2, first protrusion; 1-2, second split gear ring; 1-2-1, second connecting part; 1-2-1-1, second protrusion; 1-2-1-2, second groove; 1-3, first mounting hole; 1-4, connecting platform; 1-4-1, fourth mounting hole; 2-1, body; 2-1-1, second mounting hole; 2-2, boss; 2-2-1, third mounting hole; 2-2-2, fifth mounting hole. DETAILED DESCRIPTION

[0025] Example one

[0026] As Figures 1-4 shown, a split combined wheel includes a gear ring body 1, the center of the gear ring body 1 is provided with a sprocket body 2, the gear ring body 1 and the sprocket body 2 are connected together through a connecting piece 3; specifically, the connecting piece 3 adopts a high-strength bolt.

[0027] As Figure 2 shown, the gear ring body 1 includes a first split gear ring 1-1 and a second split gear ring 1-2, the first split gear ring 1-1 is provided with a first connecting part 1-1-1, and the second split gear ring 1-2 is provided with a second connecting part 1-2-1 matched with the first connecting part 1-1-1; the first connecting part 1-1-1 includes a first groove 1-1-1-1, and the inner side of the first groove 1-1-1-1 is connected with a first protrusion 1-1-1-2; the second connecting part 1-2-1 includes a second protrusion 1-2-1-1 matched with the first groove 1-1-1-1, and the inner side of the second protrusion 1-2-1-1 is connected with a second groove 1-2-1-2 matched with the first protrusion 1-1-1-2.

[0028] As Figure 3 shown, the sprocket body 2 includes a body 2-1, the body 2-1 is connected with a boss 2-2, and the center through hole of the first split gear ring 1-1 and the second split gear ring 1-2 after splicing together is matched with the boss 2-2; a plurality of third mounting holes 2-2-1 connected with a flange plate are arranged on the boss 2-2, and the plurality of third mounting holes 2-2-1 are arranged in a circumferential direction.

[0029] The first split gear ring 1-1 and the second split gear ring 1-2 are each provided with a plurality of first mounting holes 1-3. The first mounting holes 1-3 are parallel to the axes of the first split gear ring 1-1 and the second split gear ring 1-2. The body 2-1 is provided with a second mounting hole 2-1-1 that matches the first mounting holes 1-3. The second mounting hole 2-1-1 is parallel to the axis of the body 2-1. The connector 3 passes through the first mounting hole 1-3 and is connected to the second mounting hole 2-1-1, thereby connecting the first split gear ring 1-1 and the second split gear ring 1-2 to the body 2-1.

[0030] The installation process in this embodiment is as follows:

[0031] First, the second protrusion 1-2-1-1 is positioned within the corresponding first groove 1-1-1-1, and the first protrusion 1-1-1-2 is positioned within the corresponding second groove 1-2-1-2, thereby splicing the first split gear ring 1-1 and the second split gear ring 1-2 together. Then, the first mounting hole 1-3 is aligned with the second mounting hole 2-1-1, and the connector 3 passes through the first mounting hole 1-3 and is connected to the second mounting hole 2-1-1, thereby connecting the first split gear ring 1-1 and the second split gear ring 1-2 to the body 2-1, completing the installation of the split combination wheel.

[0032] Example 2

[0033] like Figures 5-8 As shown, this embodiment improves upon Embodiment 1 by modifying the installation position of the connector 3. Specifically, a connecting platform 1-4 is connected to one side of the first split gear ring 1-1 and the second split gear ring 1-2. The connecting platform 1-4 has a fourth mounting hole 1-4-1, which is perpendicular to the axis of the connecting platform 1-4. A fifth mounting hole 2-2-2, which matches the fourth mounting hole 1-4-1, is provided on the boss 2-2. The fifth mounting hole 2-2-2 is perpendicular to the axis of the boss 2-2. The connector 3 passes through the fourth mounting hole 1-4-1 and is connected to the fifth mounting hole 2-2-2.

[0034] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A split combination wheel, characterized by: The application relates to a gear ring body (1) provided with a sprocket body (2) in the center, and the gear ring body (1) and the sprocket body (2) are connected together through a connecting piece (3). The gear ring body (1) comprises a first split gear ring (1-1) and a second split gear ring (1-2), the first split gear ring (1-1) is provided with a first connecting part (1-1-1), and the second split gear ring (1-2) is provided with a second connecting part (1-2-1) matched with the first connecting part (1-1-1). The first connecting part (1-1-1) comprises a first groove (1-1-1-1), and the inner side of the first groove (1-1-1-1) is provided with a first protrusion (1-1-1-2); the second connecting part (1-2-1) comprises a second protrusion (1-2-1-1) matched with the first groove (1-1-1-1), and the inner side of the second protrusion (1-2-1-1) is provided with a second groove (1-2-1-2) matched with the first protrusion (1-1-1-2).

2. The split combination wheel of claim 1, wherein: The sprocket body (2) comprises a body (2-1), the body (2-1) is provided with a boss (2-2), and the central through hole of the first split gear ring (1-1) and the second split gear ring (1-2) after splicing together is matched with the boss (2-2).

3. The split combination wheel of claim 2, wherein: The boss (2-2) is provided with a plurality of third mounting holes (2-2-1) connected with flanges.

4. The split combination wheel of claim 3, wherein: The first split gear ring (1-1) and the second split gear ring (1-2) are provided with a first mounting hole (1-3), the first mounting hole (1-3) is parallel to the axis of the first split gear ring (1-1) and the second split gear ring (1-2), the body (2-1) is provided with a second mounting hole (2-1-1) matched with the first mounting hole (1-3), the second mounting hole (2-1-1) is parallel to the axis of the body (2-1), and the connecting piece (3) is connected in the second mounting hole (2-1-1) after penetrating through the first mounting hole (1-3).

5. The split combination wheel of claim 3, wherein: One side of the first split gear ring (1-1) and the second split gear ring (1-2) is provided with a connecting table (1-4), the connecting table (1-4) is provided with a fourth mounting hole (1-4-1), the fourth mounting hole (1-4-1) is perpendicular to the axis of the connecting table (1-4), the boss (2-2) is provided with a fifth mounting hole (2-2-2) matched with the fourth mounting hole (1-4-1), the fifth mounting hole (2-2-2) is perpendicular to the axis of the boss (2-2), and the connecting piece (3) is connected in the fifth mounting hole (2-2-2) after penetrating through the fourth mounting hole (1-4-1).

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