Overrunning clutch bearing

Abstract

The utility model relates to the technical field of bearings, in particular to an overrun clutch bearing which comprises a body, a roller used for rotating is arranged in the body, a connecting pipe is arranged in the middle of the body and used for being connected with a shaft body, one side of the connecting pipe extends out of the body, a back plate is arranged on the other side of the connecting pipe, and the back plate is connected with the body. The back plate is connected with the body in a welded mode. The back plate is directly connected with the body in a welding mode, bolts do not need to be arranged on the back plate, the size of the body cannot be increased due to the fact that the body is matched with the bolts in size, the size of the body can be reduced accordingly, the situation that the size of the body is increased due to the bolts and materials are used can be reduced, and therefore the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing technical field especially is involved in a kind of overrunning clutch bearing. BACKGROUND

[0002] Clutch bearing is an important component in clutch system, mainly located in clutch housing or flywheel shell inside. Its main role is to support clutch driven plate, reduce the wear between friction pair, and ensure normal operation of clutch. When clutch release bearing works, the force of clutch pedal is conducted to clutch release bearing.

[0003] The cover plate of the back of the traditional motorcycle clutch bearing is connected with the bearing by bolts, and the stability is ensured after tightening. Since the bolts need to occupy a certain space, the increase of the bolts increases the diameter of the bearing and increases the production cost. INVENTION CONTENTS

[0004] To solve the problem that the cover plate of the back of the traditional motorcycle clutch bearing is connected with the bearing by bolts, and the stability is ensured after tightening. Since the bolts need to occupy a certain space, the increase of the bolts increases the diameter of the bearing and increases the production cost, the present application provides an overrunning clutch bearing, and the specific scheme is as follows.

[0005] An overrunning clutch bearing, comprising a body, a roller for rotation is arranged in the body, a connecting pipe is arranged in the middle of the body, the connecting pipe is used to connect the shaft body, one side of the connecting pipe extends out of the body design, the other side of the connecting pipe is provided with a back plate, and the back plate is welded with the body.

[0006] By adopting the above technical scheme, the back plate is directly connected with the body in a welded manner, without the need to set bolts on the back plate, so that the size of the body can be reduced, and the size and material of the body can be reduced due to the bolts, thereby reducing the production cost.

[0007] Optionally, a embedding groove is formed on one side of the body corresponding to the back plate, the back plate is embedded in the embedding groove, and the back plate abuts against the groove wall of the embedding groove.

[0008] By adopting the above technical scheme, the back plate is embedded in the embedding groove and abuts against the groove wall, the connection stability between the back plate and the body is improved, the loosening of the back plate caused by external impact or vibration is prevented, the overall structural strength and service life of the clutch bearing are enhanced, and the welding between the back plate and the body is also facilitated.

[0009] Optionally, a plurality of welding segments are arranged on the back plate, the welding segments are used for welding with the body, and the welding segments are arranged at equal intervals along the edge of the back plate in a circumferential direction.

[0010] By adopting the above technical solution, the welding segments are arranged at equal intervals along the edge of the back plate in a circumferential direction, the uniform distribution of the welding points is ensured, the body can be welded with each position of the back plate, the situation that the back plate falls off is reduced, and the overall reliability of the structure is further improved.

[0011] Optionally, one end of the connecting pipe close to the back plate is fixedly connected with the back plate, an installation space is left between the connecting pipe and the body, and the roller is arranged at a position corresponding to the installation space.

[0012] By adopting the above technical solution, the fixed connection of the connecting pipe and the back plate enhances the structural stability, and reduces loosening of the connecting pipe caused by vibration or impact during use; meanwhile, the installation space between the connecting pipe and the body provides space for the roller to cooperate with other components.

[0013] Optionally, a gear is arranged on the body at a position corresponding to the installation space, the gear is embedded in the installation space, and the gear is rotationally connected in the installation space and abuts against the roller.

[0014] By adopting the above technical solution, the gear is embedded in the installation space and abuts against the roller, power can be effectively transmitted, friction and wear during transmission are reduced, and the working efficiency and service life of the clutch bearing are improved. The cooperation of the gear and the installation space can also enhance the structural stability and ensure smooth operation.

[0015] Optionally, a support member is arranged on the side wall of the body at a position corresponding to the roller, the support member is fixedly connected with the body, and the support member is used for abutting against the gear.

[0016] By adopting the above technical solution, the support member arranged on the side wall of the body at a position corresponding to the roller can effectively support and stabilize the gear, prevent the gear from moving or tilting in the installation space, improve the contact precision between the gear and the roller, ensure the smoothness and reliability of the clutch bearing during operation, and reduce the damage of the body caused by friction between the gear and the body.

[0017] Optionally, a gap is left between the gear and the connecting pipe, and the gear and the connecting pipe do not interfere with each other.

[0018] By adopting the above technical solution, the gap left between the gear and the connecting pipe makes the movement of the gear in the installation space more smooth, avoids friction and wear caused by contact between the two, and improves the working efficiency and service life of the clutch bearing.

[0019] Optionally, a key groove is formed on the inner wall of the connecting pipe, the key groove is arranged along the length direction of the connecting pipe, and the key groove penetrates through the connecting pipe.

[0020] By adopting the technical scheme, the key groove is formed on the inner wall of the connecting pipe, the key groove is arranged along the length direction of the connecting pipe and penetrates through the connecting pipe, so that the accurate cooperation and stable transmission with the external shaft body are realized, and the working reliability and service life of the clutch bearing are effectively improved.

[0021] To sum up, the present application has at least the following beneficial effects:

[0022] The present application solves the problem that the cover plate at the back of the traditional motorcycle clutch bearing is connected with the bearing through bolts, the stability is ensured after the bolts are tightened, the diameter of the bearing is increased due to the bolts occupying a certain space, and the production cost is increased. The back plate is directly welded with the body in the present application, and no corresponding bolts need to be arranged on the back plate and the body, so that the increase in the size of the body caused by the bolts is reduced, the size of the whole bearing is reduced, the production cost is reduced, and the installation of the bearing is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a perspective view of the present embodiment.

[0024] Figure 2 is a sectional view of the present embodiment.

[0025] Figure 3 is a perspective view of the present embodiment, mainly used to show the gear dismounting condition.

[0026] BRIEF DESCRIPTION OF DRAWINGS:

[0027] 1, body; 11, roller; 12, embedded groove; 13, mounting space; 14, support piece;

[0028] 2, back plate; 21, connecting pipe; 211, key groove; 22, welding section;

[0029] 3, gear. DETAILED DESCRIPTION

[0030] The present application will be further described in detail through specific embodiments in combination with the drawings.

[0031] A overrunning clutch bearing, as shown in Figure 1 and Figure 2 , comprises a body 1, the body 1 is provided with a roller 11 for rotation, the middle part of the body 1 is provided with a connecting pipe 21, the connecting pipe 21 is used for connecting a shaft body, one side of the connecting pipe 21 extends out of the body 1, and the other side of the connecting pipe 21 is provided with a back plate 2, the back plate 2 is welded with the body 1.

[0032] The body 1 is provided with an embedding groove 12 corresponding to one side of the back plate 2, the back plate 2 is embedded in the embedding groove 12, and the back plate 2 abuts against the groove wall of the embedding groove 12. In specific implementation, the back plate 2 is directly welded with the body 1 after being embedded in the embedding groove 12, and the back plate 2 can be fixed in the body 1 after welding, thereby completing the fixation of the back plate 2, without the need to set corresponding bolts between the back plate 2 and the body 1, thereby reducing the situation that the bolts affect the overall size of the bearing and further reducing the production cost.

[0033] As shown in Figure 1 and Figure 2 , the back plate 2 is provided with a plurality of welding sections 22, the welding sections 22 are used for welding with the body 1, and the welding sections 22 are circumferentially equidistantly arranged along the edge of the back plate 2. In specific implementation, too many welding positions are welded, which is prone to cause the accumulation of solder, thereby affecting the overall installation of the bearing, so welding is performed on each welding section 22, which can not only disperse the solder, but also weld each position of the back plate 2, thereby reducing the situation that the back plate 2 falls off and increasing the stability of the back plate 2.

[0034] As shown in Figure 1 and Figure 2 , one end of the connecting pipe 21 close to the back plate 2 is fixedly connected with the back plate 2, the connecting pipe 21 and the body 1 leave an installation space 13 therebetween, and the roller 11 is arranged at a position corresponding to the installation space 13. The body 1 is provided with a gear 3 corresponding to the installation space 13, the gear 3 is embedded in the installation space 13, and the gear 3 is rotatably connected in the installation space 13 and abuts against the roller 11. In specific implementation, the gear 3 can mesh with other gears 3 inside the motorcycle, thereby further facilitating the work of the clutch, and the gear 3 can rotate along the roller 11 after abutting against the roller 11.

[0035] As shown in Figure 2 and Figure 3 , the body 1 is provided with a support 14 at a position corresponding to the roller 11 on the side wall, the support 14 is fixedly connected with the body 1, and the support 14 is used for abutting against the gear 3. In specific implementation, the support 14 is equidistantly arranged along the circumference of the body 1, which can reduce the damage caused by the abutting friction between the gear 3 and the body 1.

[0036] As shown in Figure 2 and Figure 3 , the gear 3 and the connecting pipe 21 leave a gap therebetween, and the gear 3 and the connecting pipe 21 do not interfere with each other. In specific implementation, the gear 3 can reduce the friction with the connecting pipe 21 and reduce the damage.

[0037] As shown in Figure 1 and Figure 2As shown, the inner wall of the connecting pipe 21 is provided with a key groove 211, the key groove 211 is arranged along the length direction of the connecting pipe 21, and the key groove 211 is arranged through the connecting pipe 21. In specific implementation, the key groove 211 is used for the corresponding key to extend into, so that the transmission connection with the connecting pipe 21 is formed, thereby realizing the connection.

[0038] Working principle: during production, the roller 11 is installed first, then the back plate 2 can be fixed in the body 1 by welding, without setting bolts for connection, so as to reduce the size of the body 1, thereby reducing the production cost.

[0039] The above is the preferred embodiment of the present application, which does not limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A freewheel bearing comprising a body (1) inside which are arranged rollers (11) for rotation, characterized in that: The middle part of the body (1) is provided with a connecting pipe (21) for connecting the shaft body, one side of the connecting pipe (21) extends out of the body (1) design, and the other side of the connecting pipe (21) is provided with a back plate (2) which is welded with the body (1).

2. An overrunning clutch bearing according to claim 1, wherein: The body (1) is provided with an embedded groove (12) corresponding to one side of the back plate (2), the back plate (2) is embedded in the embedded groove (12), and the back plate (2) abuts against the groove wall of the embedded groove (12).

3. An overrunning clutch bearing according to claim 2, wherein: A plurality of welding sections (22) are arranged on the back plate (2), the welding sections (22) are used for welding with the body (1), and the welding sections (22) are arranged at equal intervals along the circumference of the edge of the back plate (2).

4. An overrunning clutch bearing according to claim 1, wherein: One end of the connecting pipe (21) close to the back plate (2) is fixedly connected with the back plate (2), and a mounting space (13) is left between the connecting pipe (21) and the body (1).

5. An overrunning clutch bearing according to claim 4, wherein: A gear (3) is arranged on the body (1) corresponding to the mounting space (13), the gear (3) is embedded in the mounting space (13), and the gear (3) is rotationally connected in the mounting space (13) and abuts against the roller (11).

6. An overrunning clutch bearing according to claim 5, wherein: A support (14) is arranged on the side wall of the body (1) corresponding to the position of the roller (11), the support (14) is fixedly connected with the body (1), and the support (14) is used for abutting against the gear (3).

7. An overrunning clutch bearing according to claim 5 wherein: The gear (3) and the connecting pipe (21) leave a gap therebetween, and the gear (3) and the connecting pipe (21) do not interfere with each other.

8. An overrunning clutch bearing according to claim 1, wherein: A key groove (211) is arranged on the inner wall of the connecting pipe (21), the key groove (211) is arranged along the length direction of the connecting pipe (21), and the key groove (211) penetrates through the connecting pipe (21).

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