Coupling for automobile motor

Abstract

The utility model discloses a coupler for an automobile motor, which belongs to the field of couplings and comprises a connecting piece, connecting sleeves are arranged on two sides of the connecting piece, each connecting sleeve comprises a first connecting sleeve and a second connecting sleeve, an output shaft connecting hole is formed in each connecting sleeve, and the first connecting sleeve and the second connecting sleeve are connected through the output shaft connecting hole. A rotor shaft groove is formed in the top of the output shaft connecting hole, and buffer pieces are arranged on the two sides of the connecting piece. By arranging the buffer plate and the buffer cavity, the damping and buffering capacity of the coupler is effectively improved, and damage of vibration and impact force to a motor and a transmission system is reduced; according to the coupling for the automobile motor, through the fixing mode of the coupling and the connecting sleeve and the design of the limiting protrusions and the friction protrusions, connection of the coupling is more stable and reliable, loosening and falling of bolts are effectively prevented, and through close fit between the connecting piece and the connecting sleeve and ingenious design of the protrusions and the connecting grooves, the coupling is more stable and reliable in connection. And the overall strength and stability of the coupling are further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the coupling technical field, concretely relates to a coupling for automobile motor. BACKGROUND

[0002] In the automobile industry, the motor as the key component of the drive system, its performance directly affects the power output, running stability and energy efficiency of the vehicle. As an important part of connecting the motor output shaft and the transmission system, the coupling not only needs to bear a large torque and axial force, but also needs to have good damping, buffering and precise centering ability to ensure the efficiency and stability of power transmission.

[0003] The traditional automobile motor coupling design often has some problems, such as the connection rigidity is too large, which leads to obvious vibration transmission, and the long-term use process is easy to cause the coupling loss, the vibration not only causes the coupling itself to bear additional stress, accelerates its loss and aging, but also may have adverse effects on the surrounding transmission parts and even the whole drive system, such as noise increase, wear aggravation, etc. Therefore, the utility model provides a coupling for automobile motor. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a coupling for automobile motor to solve the problems in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a coupling for automobile motor, comprising a connecting piece, both sides of the connecting piece are provided with connecting sleeves, and each connecting sleeve comprises a first connecting sleeve and a second connecting sleeve, the inside of each connecting sleeve is provided with an output shaft connecting hole, the top of the output shaft connecting hole is provided with a rotor shaft groove, and both sides of the connecting piece are provided with buffer sheets.

[0006] As a preferred embodiment, a buffer cavity is arranged between each buffer sheet and the connecting piece, and the buffer cavity is located at the end of the output shaft connecting hole.

[0007] As a preferred embodiment, two bolt connecting holes are formed in the top of the first connecting sleeve, two threaded holes are formed in the inside of the second connecting sleeve, and the two bolt connecting holes and the two threaded holes are connected by two bolts.

[0008] As a preferred embodiment, a limiting protrusion is arranged at the top of each threaded hole, a limiting groove is arranged at the bottom end of the bolt connecting hole, and the limiting protrusion and the limiting groove are matched.

[0009] As a preferred embodiment, a plurality of friction protrusions are annularly distributed on the outside of the limiting protrusion.

[0010] As a preferred embodiment, the surface of the connecting piece is provided with eight protrusions and eight connecting grooves, and each side of the first connecting sleeve and the second connecting sleeve is provided with four connecting portions.

[0011] As a preferred embodiment, the inner wall of the connecting groove is matched with the connecting portion, and the connecting portion is located at the same position of the first connecting sleeve and the second connecting sleeve.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The coupling for the automobile motor effectively improves the damping and buffering capacity of the coupling, reduces the damage of vibration and impact force to the motor and the transmission system, and prolongs the service life of the motor.

[0014] The coupling for the automobile motor is more stable and reliable in connection, effectively prevents the loosening and falling of the bolts, and prolongs the service life of the motor.

[0015] The coupling for the automobile motor further improves the overall strength and stability of the coupling through the close cooperation between the connecting piece and the connecting sleeve and the ingenious design of the protrusions and the connecting grooves. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a front view of the utility model structure.

[0017] Fig. 2 It is a front view of the second connecting sleeve.

[0018] Fig. 3 It is a front view of the first connecting sleeve.

[0019] In the figure: 1, first connecting sleeve; 101, bolt connecting hole; 102, rotor shaft groove; 103, limiting groove; 104, first connecting portion; 2, second connecting sleeve; 201, limiting protrusion; 202, threaded hole; 204, second connecting portion; 3, connecting piece; 301, connecting groove; 302, buffer sheet; 4, output shaft connecting hole. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with examples.

[0021] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements of the method of the utility model under the concept of the utility model all belong to the range required to be protected by the utility model.

[0022] Referring to Figs. 1-3 The utility model provides a coupling for automobile motor, including connecting piece 3, both sides of connecting piece 3 are equipped with the connecting sleeve, and every connecting sleeve includes first connecting sleeve 1 and second connecting sleeve 2, the inside of every connecting sleeve is equipped with output shaft connecting hole 4, the top of output shaft connecting hole 4 is equipped with rotor shaft groove 102, both sides of connecting piece 3 are equipped with buffer sheet 302, every buffer sheet 302 with connecting piece 3 between is equipped with buffer cavity, and buffer cavity is located the end of output shaft connecting hole 4, the top of first connecting sleeve 1 is equipped with two bolt connecting holes 101, the inside of second connecting sleeve 2 is equipped with two threaded holes 202, and two bolt connecting holes 101 with two threaded holes 202 are connected through two bolts, the top of every threaded hole 202 is equipped with limiting protrusion 201, and the bottom end of bolt connecting hole 101 is equipped with limiting groove 103, and limiting protrusion 201 with limiting groove 103 are matched, and the outside annular distribution of limiting protrusion 201 has multiple friction protrusions, respectively place two connecting sleeves in both sides of connecting piece 3, insert the output shaft of motor into output shaft connecting hole 4, and rotor shaft is placed in rotor shaft groove 102, ensure the close cooperation between shaft and hole, use bolt and spin into the threaded hole 202 of second connecting sleeve 2 through bolt connecting hole 101, in this process, limiting protrusion 201 will gradually descend along bolt connecting hole 101, until with limiting groove 103 completely matched, at this moment, friction protrusion can increase the friction between bolt and threaded hole 202, ensure the stability of connection, when motor starts, the output shaft starts to rotate, drives transmission system to work through coupling, in this process, if vibration or impact force is encountered, buffer sheet 302 and buffer cavity can play the role of shock absorption and buffering, absorb and disperse these forces, protect motor and transmission system from damage, the close cooperation of limiting protrusion 201 and limiting groove 103 and the existence of friction protrusion ensure the stability of bolt connection, prevent bolt loosening under vibration or impact;

[0023] By setting buffer sheet 302 and buffer cavity, the coupling can effectively absorb and disperse the vibration and impact force from the motor output shaft, reduce the damage to the motor and transmission system, prolong the service life of the equipment, the innovative connecting sleeve fixing mode, including the design of limiting protrusion 201, limiting groove 103 and friction protrusion, makes bolt connection more stable and reliable, effectively prevents bolt loosening and falling off under vibration or impact, improves the overall stability and safety of the coupling, the careful design of the cooperation relationship between connecting piece 3, first connecting sleeve 1 and second connecting sleeve 2, and the ingenious design of protrusion and connecting groove 301, makes the coupling can maintain high centering accuracy during installation and operation, ensures the efficiency and stability of power transmission.

[0024] In this embodiment, the surface of the connecting piece 3 is provided with eight protrusions and eight connecting grooves 301, each connecting sleeve has four connecting parts on the side facing the connecting piece 3, one side of the first connecting sleeve 1 is provided with two first connecting parts 104, one side of the second connecting sleeve 2 is provided with two second connecting parts 204, the inner wall of the connecting groove 301 is matched with the connecting part, and the connecting part is located at the same position of the first connecting sleeve 1 and the second connecting sleeve 2, which ensures that the surface of the connecting piece 3, the first connecting sleeve 1 and the second connecting sleeve 2 is clean without oil stains or impurities, checks the size and shape of the protrusions, connecting grooves 301 and connecting parts to ensure their adaptability, aligns the two connecting sleeves with the two sides of the connecting piece 3 respectively, aligns the two first connecting parts 104 on the first connecting sleeve 1 with the corresponding connecting grooves 301 on the connecting piece 3, and gently pushes in until the first connecting part 104 is completely inserted into the connecting groove 301, similarly, align the two second connecting parts 204 on the second connecting sleeve 2 with the remaining connecting grooves 301 on the connecting piece 3 and push in, at this time, the eight protrusions on the surface of the connecting piece 3 and the connecting parts (total eight) on the connecting sleeve will form a close fit to ensure the overall stability of the coupling, use the bolt to screw into the threaded hole 202 of the second connecting sleeve 2 through the bolt connecting hole 101 on the first connecting sleeve 1, complete the final fixation of the coupling, ensure the close fit of the limiting protrusion 201 and the limiting groove 103, and the additional friction force provided by the friction protrusion, when the motor starts, the coupling will effectively transmit power and provide damping and buffering effect through the buffer piece 302 and the buffer cavity, regularly check the fastening degree of the bolt connection and the wear condition of the protrusions, connecting grooves 301 and connecting parts, if necessary, replace the coupling parts, easily disassemble the bolt connection, and reinstall the new parts in reverse order;

[0025] By setting protrusions and connecting grooves 301 on the surface of the connecting piece 3 and matching them with the connecting parts on the first connecting sleeve 1 and the second connecting sleeve 2, the overall stability and anti-vibration performance of the coupling are greatly enhanced, this design helps to prevent the coupling from loosening or falling off when rotating at high speed or being impacted, improves the safety and reliability of the equipment, the design of protrusions and connecting grooves 301 makes the installation of the coupling more convenient and fast, when the coupling parts are worn or damaged, the bolt connection can be easily disassembled and the new parts can be reinstalled in reverse order, this design reduces maintenance cost and difficulty, improves the availability and production efficiency of the equipment, the close fit of the protrusions and the connecting grooves 301 helps to ensure the centering accuracy of the coupling during installation and operation, which helps to reduce energy loss and vibration noise during power transmission, and improves the overall performance of the equipment.

[0026] The working principle and use process of the utility model are as follows: firstly, two connecting sleeves are respectively arranged on the two sides of the connecting piece 3, the output shaft of the motor is inserted into the output shaft connecting hole 4, and the rotor shaft is arranged in the rotor shaft groove 102, the close fit between the shaft and the hole is ensured, the bolt is screwed into the threaded hole 202 of the second connecting sleeve 2 through the bolt connecting hole 101, in this process, the limiting protrusion 201 gradually descends along the bolt connecting hole 101 until the limiting groove 103 is completely matched, at this time, the friction protrusion increases the friction between the bolt and the threaded hole 202, and the stability of the connection is ensured, when the motor starts, the output shaft starts to rotate, the transmission system is driven to work through the shaft coupling, in this process, if vibration or impact force is encountered, the buffer piece 302 and the buffer cavity can play the role of shock absorption and buffering, absorb and disperse these forces, protect the motor and the transmission system from damage, the close fit of the limiting protrusion 201 and the limiting groove 103 and the existence of the friction protrusion ensure the stability of the bolt connection, prevent the bolt from loosening under vibration or impact, the two first connecting parts 104 on the first connecting sleeve 1 are aligned with the corresponding connecting grooves 301 on the connecting piece 3, and are gently pushed in until the first connecting part 104 is completely clamped into the connecting groove 301, similarly, the two second connecting parts 204 on the second connecting sleeve 2 are aligned with the remaining connecting grooves 301 on the connecting piece 3 and are pushed in, at this time, the eight protrusions on the surface of the connecting piece 3 and the connecting parts (a total of eight) on the connecting sleeve will form a close fit, ensuring the overall stability of the shaft coupling, the bolt is screwed into the threaded hole 202 of the second connecting sleeve 2 through the bolt connecting hole 101 on the first connecting sleeve 1, the final fixation of the shaft coupling is completed, the close fit of the limiting protrusion 201 and the limiting groove 103 and the additional friction provided by the friction protrusion are ensured, when the motor starts, the shaft coupling will effectively transmit power and provide shock absorption and buffering effect through the buffer piece 302 and the buffer cavity, the fastening degree of the bolt connection and the wear condition of the protrusion, the connecting groove 301 and the connecting part are regularly checked, if the shaft coupling parts need to be replaced, the bolt connection can be easily disassembled, and the new parts are reinstalled in the reverse order.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A coupling for an automotive motor, comprising a connecting member (3), characterized in that: The connector (3) is provided with connecting sleeves on both sides, and each connecting sleeve includes a first connecting sleeve (1) and a second connecting sleeve (2). Each connecting sleeve has an output shaft connecting hole (4) inside. The top of the output shaft connecting hole (4) is provided with a rotor shaft groove (102). Both sides of the connector (3) are provided with buffer plates (302).

2. The coupling for an automotive motor according to claim 1, characterized in that: Each of the buffer plates (302) and the connector (3) is provided with a buffer cavity, which is located at the end of the output shaft connection hole (4).

3. A coupling for an automotive motor according to claim 1, characterized in that: The top of the first connecting sleeve (1) has two bolt connection holes (101), and the inside of the second connecting sleeve (2) has two threaded holes (202). The two bolt connection holes (101) and the two threaded holes (202) are connected by two bolts.

4. A coupling for an automotive motor according to claim 3, characterized in that: Each of the threaded holes (202) is provided with a limiting protrusion (201) at the top and a limiting groove (103) at the bottom of each bolt connection hole (101). The limiting protrusion (201) and the limiting groove (103) are adapted to each other.

5. A coupling for an automotive motor according to claim 4, characterized in that: The limiting protrusion (201) has multiple friction protrusions distributed in a ring on its outer side.

6. A coupling for an automotive motor according to claim 1, characterized in that: The surface of the connector (3) is provided with eight protrusions and eight connecting grooves (301). Each of the connecting sleeves is provided with four connecting parts on the side facing the connector (3). The first connecting sleeve (1) is provided with two first connecting parts (104) on one side, and the second connecting sleeve (2) is provided with two second connecting parts (204) on one side.

7. A coupling for an automotive motor according to claim 6, characterized in that: The inner wall of the connecting groove (301) is adapted to the connecting part, and the connecting part is located at the same position of the first connecting sleeve (1) and the second connecting sleeve (2).

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