Mounting structure of starter

Abstract

The utility model discloses a mounting structure of a starter, belongs to the technical field of starter mounting, and solves the problem that the existing starter mounting structure is short in service life. The mounting flange is located on a cylinder body of the engine, the flange plate is located at the front end of the starter and connected with the mounting flange through a fastening bolt, the inner ring is fixedly arranged on the outer wall of the rear end of the starter in a sleeving mode, the outer ring is rotationally arranged on the outer wall of the inner ring in a sleeving mode, and the inner ring is connected with the outer ring. The inner wall of the outer ring is attached to the outer wall of the inner ring, the outer wall face of the outer ring is an eccentric face, a screw extending in the radial direction of the inner ring is arranged on the outer wall of the inner ring, a guide groove extending in the circumferential direction of the outer ring is formed in the outer ring, and one end of the screw penetrates through the guide groove and is in threaded connection with a locking nut. According to the installation structure of the starter, the rear end of the starter can be reinforced, the service life of the starter is prolonged, and meanwhile the structural strength of an existing engine cannot be damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of starter installation, and more particularly to a starter installation structure. Background Art

[0002] The starter is a component that converts the electrical energy in the vehicle battery into mechanical energy to start the engine. The starter is mainly composed of three parts: a DC motor, a transmission engagement mechanism, and an electromagnetic switch. In order to achieve installation, such as Figure 1 As shown, most starters 1 are provided with a flange 2 at the front end, which is mounted on the engine 3 by fixing bolts.

[0003] When designing a starter, the rear end of the starter is typically smaller than the flange to facilitate installation. This allows the operator to hold the starter while aligning the flange with the engine's mounting flange and secure it. Consequently, after the starter is installed, a gap forms between the starter and the engine, leaving the rear end of the starter suspended in the air. This can easily damage the starter as the vibrations of the engine's operation impact the starter. Some users currently reinforce the rear end of the starter with a bracket to prevent vibrations with engine operation. However, this post-installation structure requires the bracket to be welded or bolted to the engine, which can easily damage the engine's inherent structural strength.

[0004] Therefore, it is necessary to design a starter installation structure to solve the above-mentioned technical problems. Utility Model Content

[0005] The technical problem to be solved by the present invention is to provide a starter installation structure for the above-mentioned deficiencies in the prior art, which can reinforce the rear end of the starter and extend its service life without damaging the structural strength of the existing engine.

[0006] The technical solution of the present utility model is as follows: a mounting structure of a starter, comprising a mounting flange located on the cylinder block of the engine and a flange plate located at the front end of the starter, the flange plate being connected to the mounting flange by fastening bolts, and further comprising an inner ring and an outer ring, the inner ring being fixedly sleeved on the outer wall of the rear end of the starter, the outer ring being rotatably sleeved on the outer wall of the inner ring, and the inner wall of the outer ring being fitted with the outer wall of the inner ring, the outer wall surface of the outer ring being an eccentric surface, and when the starter is mounted and fixed on the engine, the eccentric surface is fitted with the outer wall surface of the cylinder block of the engine, the outer wall of the inner ring is provided with a screw extending along its radial direction, the outer ring is provided with a guide groove extending along its circumferential direction, one end of the screw passes through the guide groove and is threadedly connected with a locking nut.

[0007] As a further improvement, the guide groove is an arc-shaped groove located on the side of the outer ring with a smaller thickness.

[0008] Furthermore, a plurality of grooves distributed along the circumference of the outer ring are formed on the eccentric surface of the side with the larger thickness, and the plurality of grooves are evenly distributed.

[0009] Furthermore, anti-slip grooves are provided on the eccentric surfaces on both sides of the guide groove.

[0010] Furthermore, the flange, inner ring and starter housing are an integrated structure.

[0011] Furthermore, a threaded hole is provided on the inner ring, and the screw is threadedly connected in the threaded hole.

[0012] Furthermore, there are two locking nuts.

[0013] Beneficial effects

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] The mounting structure of the starter of the present invention provides a rotatable outer ring at the rear end of the starter. During installation, the flange of the starter is first connected and fixed to the mounting flange of the engine. Then the outer ring is rotated so that its thicker side is close to the outer wall of the cylinder block of the engine until the eccentric surface fits with the outer wall of the cylinder block. Finally, the locking nut is tightened so that it only fits on the eccentric surface of the outer ring. The position of the outer ring can be locked to prevent the outer ring from loosening, eliminating the gap between the outer wall of the starter and the cylinder block of the engine, avoiding the rear end of the starter from being suspended in the air, and can reinforce the rear end of the starter to extend its service life without damaging the structural strength of the existing engine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the prior art;

[0017] Figure 2 This is a side structural diagram of the present utility model;

[0018] Figure 3 This is an enlarged side view of the starter structure in the present invention;

[0019] Figure 4 It is an enlarged schematic diagram of the three-dimensional structure of the outer ring in the utility model.

[0020] Among them: 1. Starter; 2. Flange; 3. Engine; 4. Cylinder block; 5. Inner ring; 6. Outer ring; 7. Eccentric surface; 8. Screw; 9. Guide groove; 10. Locking nut; 11. Groove; 12. Anti-slip pattern. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the specific embodiments in the accompanying drawings.

[0022] See Figure 2-4 The utility model provides a mounting structure for a starter, comprising a mounting flange on the cylinder block 4 of the engine 3 and a flange 2 at the front end of the starter 1. The flange 2 is connected to the mounting flange by fastening bolts to achieve fixed installation of the starter 1. The mounting structure also comprises an inner ring 5 and an outer ring 6, wherein the inner ring 5 is a circular ring, the inner wall of the outer ring 6 is a circular surface, and the outer wall surface of the outer ring 6 is an eccentric surface 7, that is, the diameter of the outer wall surface of the outer ring 6 from any circumferential position to its center is different, and its structure is the same as that of a cam. The inner ring 5 is fixedly mounted on the outer wall of the rear end of the starter 1 and can be fixed to the starter 1 when the starter 1 manufacturer designs it. The outer ring 6 is rotatably mounted on the outer wall of the inner ring 5. The inner ring 5 and the outer ring 6 are coaxially arranged, and the inner wall of the outer ring 6 is aligned with the outer wall of the inner ring 5. Fitting. When the starter 1 is installed and fixed on the engine 3, the eccentric surface 7 fits against the outer wall of the cylinder 4 of the engine 3, so that the rear end of the starter 1 is supported by the outer ring 6. A screw 8 extending along its radial direction is provided on the outer wall of the inner ring 5, and a guide groove 9 extending along its circumferential direction is provided on the outer ring 6. The axial width of the guide groove 9 is adapted to the diameter of the screw 8, so that the outer ring 6 can only rotate along the circumference of the inner ring 5. One end of the screw 8 passes through the guide groove 9 and is threadedly connected to a locking nut 10 for locking the position of the outer ring 6.

[0023] The mounting structure of the starter of the present invention is provided with a rotatable outer ring 6 at the rear end of the starter 1. During installation, the flange 2 of the starter 1 is first connected and fixed to the mounting flange of the engine 3. Then, the outer ring 6 is rotated so that its thicker side is close to the outer wall of the cylinder body 4 of the engine 3 until the eccentric surface 7 is in contact with the outer wall of the cylinder body 4. Finally, the locking nut 10 is tightened so that it only fits on the eccentric surface 7 of the outer ring 6. This locks the position of the outer ring 6 and prevents the outer ring 6 from loosening. This eliminates the gap between the outer wall of the starter and the cylinder body of the engine, prevents the rear end of the starter from being suspended in the air, and can reinforce the rear end of the starter to extend its service life without damaging the structural strength of the existing engine. At the same time, the outer ring 6 structure with the eccentric surface 7 can adjust the position of the outer ring 6 according to the gap between the starter and the engine, and can be applied to the installation of starters or engines of different specifications, with a wider range of applications.

[0024] Preferably, the guide groove 9 is an arc-shaped groove located on the side of the outer ring 6 with a smaller thickness, so that the eccentric surface 7 can be closer to the cylinder block of the engine more quickly.

[0025] Preferably, a plurality of grooves 11 are formed on the eccentric surface 7 on the thicker side of the outer ring 6, and the grooves 11 are evenly distributed along the circumference thereof. During installation, an iron rod can be used to press against the grooves 11 and then struck with a hammer to obtain greater rotational force, thereby allowing the eccentric surface 7 to better fit the outer wall of the cylinder body 4.

[0026] Preferably, anti-slip grooves 12 are provided on the eccentric surfaces 7 on both sides of the guide groove 9 to increase the friction between the locking nut 10 and the outer ring 6 and prevent the outer ring 6 from rotating on its own.

[0027] Preferably, the flange 2, the inner ring 5 and the outer shell of the starter 1 are an integrated structure, which is convenient to manufacture and has better structural strength, thereby improving installation stability.

[0028] Preferably, a threaded hole is formed on the inner ring 5, and the screw 8 is threadedly connected to the threaded hole, so that the screw 8 is detachable. During maintenance, the outer ring 6 can be removed by loosening the screw 8, which is very convenient for disassembly and maintenance. Furthermore, there are two locking nuts 10 to prevent loosening.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention. These modifications and improvements will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. A starter mounting structure, comprising a mounting flange located on a cylinder block (4) of an engine (3) and a flange (2) located at the front end of the starter (1), wherein the flange (2) is connected to the mounting flange by fastening bolts, and is characterized in that: The invention also includes an inner ring (5) and an outer ring (6), wherein the inner ring (5) is fixedly sleeved on the outer wall of the rear end of the starter (1), and the outer ring (6) is rotatably sleeved on the outer wall of the inner ring (5), and the inner wall of the outer ring (6) is in contact with the outer wall of the inner ring (5). The outer wall surface of the outer ring (6) is an eccentric surface (7). When the starter (1) is mounted and fixed on the engine (3), the eccentric surface (7) is in contact with the outer wall surface of the cylinder (4) of the engine (3). The outer wall of the inner ring (5) is provided with a screw (8) extending in its radial direction, and the outer ring (6) is provided with a guide groove (9) extending in its circumferential direction. One end of the screw (8) passes through the guide groove (9) and is threadedly connected with a locking nut (10).

2. The mounting structure of a starter according to claim 1, characterized in that: The guide groove (9) is an arc-shaped groove located on the side of the outer ring (6) with a smaller thickness.

3. The mounting structure of a starter according to claim 1, characterized in that: A plurality of grooves (11) distributed along the circumference of the eccentric surface (7) on the side of the outer ring (6) with a larger thickness are provided, and the plurality of grooves (11) are evenly distributed.

4. The mounting structure of a starter according to claim 1, characterized in that: Anti-slip grooves (12) are provided on the eccentric surfaces (7) on both sides of the guide groove (9).

5. The starter installation structure according to claim 1, characterized in that: The flange (2), inner ring (5) and outer shell of the starter (1) are an integrated structure.

6. A starter installation structure according to any one of claims 1 to 5, characterized in that: A threaded hole is provided on the inner ring (5), and the screw rod (8) is threadedly connected in the threaded hole.

7. The mounting structure of a starter according to claim 6, characterized in that: There are two locking nuts (10) in total.

Images