Coaxial reverse motor

Abstract

The utility model discloses a coaxial reverse motor, which comprises a double-output-shaft motor and a reverse driving mechanism arranged at the tail end of the double-output-shaft motor, the reverse rotation driving mechanism comprises a driving box body, a box cover and a driving assembly arranged in the box body, the driving assembly comprises a first gear element, a second gear element and a third gear element, the first gear element is fixedly connected with a motor tail shaft, the third gear element is connected with a reverse rotation output shaft, and the second gear element is fixedly connected with the reverse rotation output shaft. The reversing mechanism further comprises a switching part arranged on the driving box body, the switching part is used for switching the output state of the reversing output shaft, and the second gear element is fixedly connected with the switching part. According to the utility model, coaxial bidirectional output of the motor can be realized, rapid switching can be realized, the structure is simple, and the installation space is small.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motor technical field, especially, relate to a coaxial reverse motor. BACKGROUND

[0002] Motor is a kind of equipment that converts electric energy into mechanical energy. It is that rotating magnetic field produced by current loop (also called stator winding) and acts on rotor (such as squirrel cage closed aluminum frame) form magnetic electric power rotation torque. Motor is divided into direct current motor and alternating current motor according to different power supply, and most of the motor in power system is alternating current motor, which can be synchronous motor or asynchronous motor (motor stator magnetic field speed and rotor rotation speed do not keep synchronous speed). Motor is mainly composed of stator and rotor, and the direction of force movement of energized wire in magnetic field is related to current direction and magnetic induction line (magnetic field direction). The working principle of motor is that magnetic field acts on the force of current, and motor rotates.

[0003] At present, motor is used as main driving force in mechanical equipment, but conventional motor generally includes single output shaft and double output shaft, these motors can play a role in most equipment, but the current motor cannot achieve the effect of coaxial bidirectional reverse, therefore, when this output mode is required, gear set is generally used for series connection, but this way needs additional gear space, and the structure is relatively complex. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, one technical scheme of the utility model is as follows:

[0005] A coaxial reverse motor, comprising a double output shaft motor, further comprising a reverse driving mechanism installed at the tail end of the double output shaft motor;

[0006] The reverse driving mechanism comprises a driving box body, a box cover and a driving assembly arranged in the box body, the driving assembly comprises a first gear element, a second gear element and a third gear element, the first gear element is fixedly connected with the motor tail shaft, the third gear element is connected with a reverse output shaft, further comprising a switching part arranged on the driving box body, the switching part is used to switch the output state of the reverse output shaft, and the second gear element is fixedly connected with the switching part;

[0007] The output state includes output mode and interruption mode, when being located at point A, the first gear element, the second gear element and the third gear element are engaged with each other, and it is output mode, when being located at point B, the first gear element, the second gear element and the third gear element cannot be engaged and it is interruption mode.

[0008] Further, the switching part includes a rotating shaft and a piston fixed to one end of the rotating shaft, the second gear element is fixed to the rotating shaft, and driving the piston to move can switch the meshing state of the second gear element with the first gear element and the third gear element.

[0009] Further, the switching part further includes an air inlet connector and an air outlet connector, the air inlet connector and the air outlet connector are fixedly connected with a driving box body, the driving box body is internally provided with a cavity for accommodating the piston, and the air inlet connector and the air outlet connector are in communication with the cavity through an air path.

[0010] Further, the rotating shaft is connected with the driving box body through at least two groups of bearings.

[0011] Further, the piston is provided with a plurality of pads on one side in the cavity, and the pads are used for preventing the piston from blocking the air path.

[0012] Further, the first gear element, the second gear element and the third gear element are bevel gears.

[0013] The utility model discloses the beneficial effect:

[0014] The utility model discloses a double output shaft motor's tail part increases a reverse rotation driving box, uses the second gear element of piston movement in the box body, and the second gear element can move back and forth at A point and B point, when being located A point, first gear element, second gear element, third gear element are mutually engaged, and drive, realize coaxial reverse rotation output, when being located B point, second gear element separates, and reverse rotation power cuts off, and motor single output power, the utility model can realize motor's coaxial bidirectional output, can also switch quickly simultaneously, and simple structure, small installation space. DRAWINGS

[0015] Figure 1 It is the whole structure schematic drawing of the utility model;

[0016] Figure 2 It is the reverse rotation drive mechanism schematic drawing of the utility model;

[0017] Figure 3 It is the utility model Figure 2 The enlarged schematic drawing of partial C;

[0018] Figure 4 It is the drive assembly schematic drawing of the utility model;

[0019] Figure 5 It is the inside schematic drawing of the driving box body of the utility model;

[0020] The marks of each part in the drawing are as follows:

[0021] 1. Dual-shaft motor; 2. Reverse drive mechanism; 21. Drive housing; 211. Cavity; 22. Housing cover; 23. Drive assembly; 231. First gear element; 232. Second gear element; 233. Third gear element; 234. Reverse output shaft; 235. Switching unit; 235-1. Rotating shaft; 235-2. Piston; 235-3. Air inlet connector; 235-4. Air outlet connector; 235-5. Pad; 236. Bearing. Detailed Implementation

[0022] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0023] Example:

[0024] like Figures 1 to 5 As shown, a coaxial reversing motor includes a dual-output shaft motor 1 and a reversing drive mechanism 2 installed at the tail end of the dual-output shaft motor 1.

[0025] The reversing drive mechanism 2 includes a drive housing 21 and a housing cover 22, and a drive assembly 23 disposed in the housing 21. The drive assembly 23 includes a first gear element 231, a second gear element 232, and a third gear element 233. Of course, the first gear element 231, the second gear element 232, and the third gear element 233 are bevel gears. The first gear element 231 is fixedly connected to the motor tail shaft 11, and the third gear element 233 is connected to the reverse output shaft 234. It also includes a switching part 235 disposed on the drive housing 21. The switching part 235 is used to switch the output state of the reverse output shaft 234. The second gear element 232 is fixedly connected to the switching part. Specifically, the switching part 235 includes a rotating shaft 235-1 and a piston 235-2 fixed to one end of the rotating shaft 235-1. The second gear element 232 is fixed on the rotating shaft 235-1. Driving the piston 235-2 can switch the meshing state of the second gear element 232 with the first gear element 231 and the third gear element 233. Understandably, the switching unit 235 also includes an air inlet connector 235-3 and an air outlet connector 235-4, which are fixedly connected to the drive housing 21. The drive housing 21 has a cavity 211 for accommodating the piston 235-2, and the air inlet connector 235-3 and the air outlet connector 235-4 are connected to the cavity 211 via air passages. The rotating shaft 235-1 is connected to the drive housing 21 via at least two sets of bearings 236. The piston 235-2 has several pads 235-5 on one side inside the cavity 211, which are used to prevent the piston 235-2 from blocking the air passages.

[0026] The output state includes an output mode and an interrupt mode, when being located at point A, the first gear element 231, the second gear element 232 and the third gear element 233 are engaged with each other, being the output mode, when being located at point B, the first gear element 231, the second gear element 232 and the third gear element 233 cannot be engaged, being the interrupt mode.

[0027] The above is only the embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation, direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A coaxial contra-rotating electric machine comprising a double-output shaft electric machine (1), characterized in that: Also include the installation in the tail end of the double output shaft motor (1) reverse drive mechanism (2); The reverse drive mechanism (2) includes a drive box (21) and a box cover (22) and a drive assembly (23) provided in the box (21), the drive assembly (23) includes a first gear element (231), a second gear element (232), a third gear element (233), the first gear element (231) is fixedly connected with the motor tail shaft (11), the third gear element (233) is connected with the reverse output shaft (234), further comprising a switching part (235) provided on the drive box (21), the switching part (235) is used for switching the reverse output shaft (234) output state, the second gear element (232) is fixedly connected with the switching part; The output state includes output mode and interrupt mode, when located in A point, the first gear element (231), the second gear element (232), the third gear element (233) are engaged with each other, which is output mode, when located in B point, the first gear element (231), the second gear element (232), the third gear element (233) cannot be engaged, which is interrupt mode.

2. A coaxial counter-rotating electric machine according to claim 1, characterized in that: The switching part (235) includes a shaft (235-1) and a piston (235-2) fixed on one end of the shaft (235-1), the second gear element (232) is fixed on the shaft (235-1), and the movement of the piston (235-2) can switch the engagement state of the second gear element (232) and the first gear element (231) and the third gear element (233).

3. A concentric counter-rotating electric machine according to claim 2, characterized in that: The switching part (235) further includes an air inlet connector (235-3) and an air outlet connector (235-4), the air inlet connector (235-3) and the air outlet connector (235-4) are fixedly connected with the drive box (21), the drive box (21) is provided with a cavity (211) accommodating the piston (235-2), the air inlet connector (235-3) and the air outlet connector (235-4) are communicated with the cavity (211) through an air path.

4. A coaxial counter-rotating electric machine according to claim 2, characterized in that: The shaft (235-1) is connected with the drive box (21) through at least two groups of bearings (236).

5. A coaxial counter-rotating electric machine according to claim 3, characterized in that: The piston (235-2) is provided with a plurality of pads (235-5) on one side in the cavity (211), the pads (235-5) are used for preventing the piston (235-2) from blocking the air path.

6. A coaxial counter-rotating electric machine according to claim 1, characterized in that: The first gear element (231), the second gear element (232) and the third gear element (233) are bevel gears.

Images