CN111969777A

CN111969777A - Composite motor

Info

Publication number: CN111969777A
Application number: CN202010836406.9A
Authority: CN
Inventors: 王浩然; 王陆军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2020-11-20

Abstract

The invention belongs to the technical field of motors, and particularly relates to a composite motor which comprises a motor main body, wherein the lower end of the motor main body is fixedly connected with a connecting supporting block, and a bearing seat is arranged below the connecting supporting block; the upper surface of the bearing seat is provided with a connecting and supporting groove; the connecting support block is positioned in the connecting support groove, and an elastic metal plate is arranged between the connecting support block and the connecting support groove; the elastic metal plate is designed in a concave shape, and two sides of the elastic metal plate are designed to be bent outwards from bottom to top; circular through holes are formed in the bearing seat, the elastic metal plate and the connecting support block in a penetrating mode; the bearing plate is convenient to assemble and disassemble, time and labor are saved, meanwhile, the transmission of vibration force in the use process of the motor can be effectively reduced, the fixed point is prevented from loosening, and the maintenance frequency is reduced.

Description

Composite motor

Technical Field

The invention belongs to the technical field of motors, and particularly relates to a composite motor.

Background

The compound motor is a device for converting electric energy into mechanical energy, and mainly comprises an electromagnet winding or a distributed stator winding for generating a magnetic field and a rotating armature or a rotor; there is certain drawback current combined type motor when using, be not convenient for and external transfer line be connected, and be not convenient for change it, certain adverse effect has been brought for the in-service use, the motor can produce vibrations in the use simultaneously, the transmission of vibrations power seriously influences the life of motor, and the motor fixed point adopts the bolt fastening usually, the transmission of vibrations power seriously influences the joint strength of bolt, it is not hard up to lead to can appear the bolt in the motor use, it overhauls long when needing the staff, waste time and energy, for this, we provide a combined type motor.

Disclosure of Invention

In order to make up for the defects of the prior art, the problems that the existing compound motor is inconvenient to connect with an external transmission rod and replace, the motor can vibrate in the using process, the transmission of the vibration force seriously affects the service life of the motor, the fixed point of the motor is usually fixed by bolts, the transmission of the vibration force seriously affects the connection strength of the bolts, the bolts can loosen in the using process of the motor, long-time maintenance is needed by workers, and time and labor are wasted are solved.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a composite motor which comprises a motor main body, wherein the lower end of the motor main body is fixedly connected with a connecting supporting block, and a bearing seat is arranged below the connecting supporting block; the upper surface of the bearing seat is provided with a connecting and supporting groove; the connecting support block is positioned in the connecting support groove, and an elastic metal plate is arranged between the connecting support block and the connecting support groove; the elastic metal plate is designed in a concave shape, and two sides of the elastic metal plate are designed to be bent outwards from bottom to top; circular through holes are formed in the bearing seat, the elastic metal plate and the connecting and supporting block in a penetrating mode, and after the elastic metal plate and the connecting and supporting block are located in the connecting and supporting groove, the elastic metal plate and the circular through holes in the connecting and supporting block are communicated; a limiting column is arranged in the circular through hole in a sliding mode, an iron wire ring penetrates through one end of the limiting column, and a mounting plate is welded to the lower surface of the bearing plate through a welding block; the cross section of the limiting column is designed in a T shape, and the minimum diameter of the limiting column is the same as the diameter of the circular through hole; when the combined motor works, the mounting plate is firstly placed at the mounting position after the mounting position is determined, after the mounting plate is fixed by the bolts, the elastic metal plate is sleeved on the surface of the connecting support block, and then the connecting support block and the elastic metal plate are inserted into the connecting support groove, in the inserting process, due to the inclined design of the elastic metal plate, the elastic metal plate is tightly attached to the inner wall of the connecting support groove and the outer wall of the connecting support block, so that the connecting support block is clamped in the connecting support groove by the elastic metal plate, the fixing strength is improved, meanwhile, the vibration generated by the combined motor main body can be buffered by the elastic metal plate in the using process of the combined motor, the vibration force on the motor main body is effectively reduced and transmitted to the mounting plate, the fixing strength of the mounting plate is improved, and the looseness of the mounting plate caused by the use of the motor main, the service life of the motor main body is influenced, the vibration frequency and frequency of the motor main body are effectively reduced, the service life is prolonged, after the elastic metal plate and the connecting supporting block are completely inserted into the connecting supporting groove, the circular through hole is conducted, the limiting column is inserted into the circular through hole, the iron wire ring penetrates through the limiting column to limit the limiting column, the limiting column is prevented from being separated from the circular through hole, the fixing effect is improved, after the motor main body is effectively prevented from vibrating by the limiting column matching with the circular through hole, the elastic metal plate and the connecting supporting block slide in the connecting supporting groove, the fixing effect is further improved, meanwhile, the transmission of the vibration force is reduced, the service life of the motor main body is prolonged, when the motor main body needs to be disassembled, a user can take the iron wire ring off the limiting column, then take the limiting column out from the circular through hole, and lift the motor main, the connecting support block at the lower end of the motor main body is separated from the connecting support groove, and the elastic metal plate is taken out, so that the motor is simple and convenient to disassemble, and manpower and material resources are saved.

Preferably, the side walls of the two sides of the elastic metal plate, which are far away from the connecting support block, are provided with rolling grooves which are uniformly distributed; the rolling grooves are movably connected with rolling balls; the during operation through the ball, can effectively reduce frictional force between elastic metal plate and the connection mounting groove inner wall, dismantles in the motor main part and reduces connection mounting groove and elastic metal plate's degree of wear with the installation, improves life, can make things convenient for the installation and the dismantlement of motor main part simultaneously through the ball, labour saving and time saving.

Preferably, the lower surface of the elastic metal plate is fixedly connected with a cushion pad; a first cavity is formed in the buffer pad; the side walls of the two sides of the elastic metal plate, which are far away from the connecting supporting block, are fixedly connected with rubber bulges which are uniformly distributed; the rubber bulges and the balls are alternately arranged; the inner spaces of the rubber bulges are communicated with the first cavity through air grooves formed in the elastic metal plate; the during operation, back in the elastic metal plate inserts the connection mounting groove, the blotter receives the extrusion, gaseous entering rubber in the first cavity is protruding, make the protruding inflation of rubber, simultaneously along with the elastic metal plate inserts the in-process of connection mounting groove, the elastic metal plate deformation, it is protruding to extrude rubber, thereby make the protruding pressure with in the first cavity of rubber all rise, thereby through protruding and the cushion of rubber, cooperation elastic metal plate, further improve buffering effect, reduce the shaking force of transmission in the motor main part use, improve the fixed strength and the combined type motor life of mounting panel and connection installation piece.

Preferably, the surface of one side of the connecting and supporting block, which is close to the elastic metal plate, is fixedly connected with buffer rubber which is uniformly arranged; the space in the buffer rubber is communicated through a communicating groove formed in the connecting supporting block; the inner wall of the circular through hole on the connecting supporting block is fixedly connected with a rubber ring; a second cavity is formed in the rubber ring; the rubber ring and the connecting support block are internally provided with sliding chutes, one end of each sliding chute is communicated with the communicating groove, and the other end of each sliding chute is communicated with the circular through hole in the connecting support block; a sliding rod is connected in the sliding groove in a sliding manner; the side wall of one side of the lower end of the sliding rod is designed in an inclined mode, and the lower end of the sliding rod penetrates into the circular through hole in an initial state; the surface of the sliding rod is provided with a communicating hole; an air guide groove is formed in the connecting supporting block; one end of the air guide groove is communicated with the second cavity, and the other end of the air guide groove is communicated to the communicating hole; the communicating hole is positioned in the sliding groove in an initial state, and after the limiting column is inserted into the circular through hole, the sliding rod slides to enable the communicating hole to communicate the communicating groove and the air guide groove; during operation, after the elastic metal plate inserts the connection mounting inslot, the elastic metal plate takes place deformation extrusion cushion rubber, thereby make intercommunication inslot gas pressure rise, insert the downthehole in-process of circular through-hole at the restriction post, the contact slide bar, thereby make the slide bar slide to the intercommunication groove direction, thereby make intercommunication hole intercommunication groove and air guide groove on the slide bar, thereby make intercommunication inslot high-pressure gas pass through in the air guide groove gets into the second cavity, thereby make the rubber ring inflation hold the restriction post tightly, the cooperation iron wire ring further prevents that the motor main part from breaking away from circular through-hole in the use, can improve the frictional force of restriction post and circular through-hole simultaneously, and the fixed intensity is improved, and the buffering through the rubber ring, further reduce the transmission of vibrations power, and the fixed effect is improved.

Preferably, a transmission shaft penetrates through the middle of the outer surface of one side of the motor main body, a limiting thread cylinder is arranged on one side of the transmission shaft, a transmission rod is arranged on the inner side of the limiting thread cylinder, fixed thread blocks are arranged on the outer sides of the transmission rod and the limiting thread cylinder respectively, a rotating column is arranged at the lower end of each fixed thread block, a protective cover is arranged on the other side of the motor main body, a screw is arranged between the protective cover and the motor main body, and the outer surface of one side of the protective cover is fixedly connected with the outer surface of the other side of the motor main body; the outer surface of the transmission rod is fixedly connected with the inner side outer surface of the limiting thread cylinder through a fixing thread block, the outer surface of the limiting thread cylinder is provided with an external thread, the inner side outer surface of the fixing thread block is provided with an internal thread, and the external thread of the limiting thread cylinder is meshed with the internal thread of the fixing thread block; the outer surface of one side of the transmission rod is fixedly connected with the outer surface of one side of the transmission shaft through a limiting thread cylinder, and the outer surface of one side of the limiting thread cylinder is fixedly connected with the outer surface of one side of the motor main body through the transmission shaft; when the limiting screw thread cylinder is in work, the transmission rod connected with the transmission mechanism penetrates through the fixed screw thread block to be inserted into the limiting screw thread cylinder, then a user grasps the rotating column to rotate, the fixed screw thread block can rotate and be meshed with the limiting screw thread cylinder, the length of the inner diameter of the limiting screw thread cylinder is reduced through the fixed screw thread block, the transmission rod can be fixed in the limiting screw thread cylinder, the transmission rod can be fixed with the transmission shaft, then the compound motor is started, the transmission shaft is rotated to drive the transmission rod connected with the transmission mechanism to rotate, and the purpose of transmitting the rotating force generated by the compound motor to the transmission mechanism and enabling the transmission mechanism to operate is achieved.

Preferably, the outer surface of the motor main body is provided with heat dissipation ribs; during operation, the radiating effect of the motor main body can be effectively improved through the radiating ribs, the strength of the motor main body is improved, and the service life is prolonged.

The invention has the following beneficial effects:

1. according to the composite motor, the limiting thread cylinder is arranged, so that the transmission rod can penetrate through the fixed thread block to be inserted into the limiting thread cylinder, then the rotating column is grabbed to rotate, the fixed thread block can rotate and be meshed with the limiting thread cylinder, the length of the inner diameter of the limiting thread cylinder is reduced through the fixed thread block, the transmission rod can be fixed in the limiting thread cylinder, the transmission rod can be fixed with the transmission shaft, the purpose of connecting the outside transmission rod and the composite motor together is achieved, and the advantage that the transmission rod is convenient to connect with the outside transmission rod is achieved.

2. The combined motor is provided with the connecting and supporting groove, so that the iron wire ring can be taken down from the limiting column, then the limiting column is drawn out from the circular through hole, then the motor body is lifted upwards, the connecting and supporting block at the lower end of the motor body is separated from the connecting and supporting groove at the upper end of the mounting plate, meanwhile, the connecting and supporting block at the lower end of a new motor body is placed in the connecting and supporting groove, the limiting column is inserted into the circular through hole again, and the iron wire ring is inserted into the circular through hole again, so that the connecting and supporting block on the new motor body can be fixed with the connecting and supporting groove together, namely, the new motor body is fixed on the mounting plate to complete replacement.

3. According to the combined motor, the rubber bulges and the buffer pads are arranged and matched with the elastic metal plate, so that the buffer effect is further improved, the vibration force transmitted in the use process of the motor main body is reduced, the fixing strength of the mounting plate and the connecting mounting block is improved, and the service life of the combined motor is prolonged.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a front view of the present invention;

FIG. 2 is a sectional view of a portion of the connection of the motor main body with the mounting plate;

FIG. 3 is a sectional view of the connection of the drive rod to the drive shaft;

FIG. 4 is a front view of the restraining threaded cartridge;

FIG. 5 is a front view of the socket;

FIG. 6 is a partial cross-sectional view of the resilient metal plate and the connecting support block;

in the figure: the motor comprises a motor main body 1, a transmission shaft 2, a fixed thread block 3, a rotating column 4, a transmission rod 5, a connecting and supporting block 6, a connecting and supporting groove 7, a limiting column 8, an installation plate 9, a protective cover 10, a heat dissipation rib 11, a circular through hole 12, a wire ring 13, a limiting thread cylinder 14, a welding block 15, a bearing seat 16, an elastic metal plate 17, a ball 18, a buffer cushion 19, a first cavity 20, a rubber protrusion 21, buffer rubber 22, a communication groove 23, a rubber ring 24, a second cavity 25, a sliding rod 26, a communication hole 27 and an air guide groove 28.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 6, the composite motor of the present invention includes a motor main body 1, wherein a connection support block 6 is fixedly connected to a lower end of the motor main body 1, and a receiving seat 16 is disposed below the connection support block 6; the upper surface of the bearing seat 16 is provided with a connecting and supporting groove 7; the connecting and supporting block 6 is positioned in the connecting and supporting groove 7, and an elastic metal plate 17 is arranged between the connecting and supporting block 6 and the connecting and supporting groove; the elastic metal plate 17 is designed in a concave shape, and two sides of the elastic metal plate 17 are designed to be bent outwards from bottom to top; the bearing seat 16, the elastic metal plate 17 and the connecting and supporting block 6 are all provided with circular through holes 12 in a penetrating way, and after the elastic metal plate 17 and the connecting and supporting block 6 are both positioned in the connecting and supporting groove 7, the connecting and supporting groove 7 and the elastic metal plate 17 are communicated with the circular through holes 12 on the connecting and supporting block 6; a limiting column 8 is arranged in the circular through hole 12 in a sliding mode, an iron wire ring 13 penetrates through one end of the limiting column 8, and a mounting plate 9 is welded to the lower surface of the bearing plate through a welding block 15; the section of the limiting column 8 is designed in a T shape, and the minimum diameter of the limiting column 8 is the same as the diameter of the circular through hole 12; during operation, after the installation position of the compound motor is determined, the installation plate 9 is firstly placed at the installation position, after the compound motor is fixed through bolts, the elastic metal plate 17 is sleeved on the surface of the connection supporting block 6, and then the connection supporting block 6 and the elastic metal plate 17 are inserted into the connection supporting groove 7, during the insertion process, due to the inclined design of the elastic metal plate 17, the elastic metal plate 17 is tightly attached to the inner wall of the connection supporting groove 7 and the outer wall of the connection supporting block 6, so that the connection supporting block 6 is tightly clamped in the connection supporting groove 7 through the elastic metal plate 17, the fixing strength is improved, meanwhile, through the elasticity of the elastic metal plate 17, in the use process of the compound motor, the vibration generated by the compound motor main body 1 can be buffered through the elastic metal plate 17, the vibration force on the motor main body 1 is effectively reduced to be transmitted to the installation plate 9, the fixing part of the mounting plate 9 is prevented from loosening along with the use of the motor main body 1, the service life of the motor main body 1 is prevented from being influenced, the vibration frequency and the frequency of the motor main body 1 are effectively reduced, the service life is prolonged, after the elastic metal plate 17 and the connecting and supporting block 6 are completely inserted into the connecting and supporting groove 7, the circular through hole 12 is conducted, the limiting column 8 is inserted into the circular through hole 12, the iron wire ring 13 penetrates through the limiting column 8 to limit the limiting column 8, the limiting column 8 is prevented from being separated from the circular through hole 12, the fixing effect is improved, after the limiting column 8 is matched with the circular through hole 12, the elastic metal plate 17 and the connecting and supporting block 6 are effectively prevented from sliding in the connecting and supporting groove 7 after the motor main body 1 vibrates, the fixing effect is further improved, the transmission of the vibration force is reduced, the service life of the motor main body 1, the user can take off iron wire ring 13 from restriction post 8, will restrict post 8 and take out from circular through-hole 12 after that, upwards lift motor main part 1, make the connection supporting shoe 6 of its motor main part 1 lower extreme break away from connection supporting groove 7, take out elastic metal plate 17 simultaneously, dismantle simple and conveniently, the material resources of using manpower sparingly.

As an embodiment of the invention, the side walls of the two sides of the elastic metal plate 17 far away from the connecting support block 6 are both provided with rolling grooves which are uniformly arranged; the rolling grooves are movably connected with rolling balls 18; during operation, through ball 18, can effectively reduce frictional force between elastic metal plate 17 and the connection mounting groove 7 inner wall, reduce connection mounting groove 7 and elastic metal plate 17's degree of wear in motor main body 1 dismantlement and the installation, improve life, can make things convenient for motor main body 1's installation and dismantlement simultaneously through ball 18, labour saving and time saving.

As an embodiment of the present invention, a cushion pad 19 is fixedly connected to the lower surface of the elastic metal plate 17; a first cavity 20 is formed in the buffer pad 19; the side walls of the two sides of the elastic metal plate 17 far away from the connecting and supporting block 6 are fixedly connected with rubber bulges 21 which are uniformly arranged; the rubber bulges 21 and the balls 18 are alternately arranged; the inner spaces of the rubber bulges 21 are communicated with the first cavity 20 through air grooves formed in the elastic metal plate 17; the during operation, after elastic metal plate 17 inserts in connecting mounting groove 7, blotter 19 receives the extrusion, gaseous entering rubber is protruding 21 in the first cavity 20, make the protruding 21 inflation of rubber, simultaneously along with elastic metal plate 17 inserts connecting mounting groove 7 in-process, elastic metal plate 17 deformation, extrusion rubber is protruding 21, thereby make the protruding 21 of rubber and the pressure in the first cavity 20 all rise, thereby through protruding 21 of rubber and blotter 19, cooperation elastic metal plate 17, further improve the buffering effect, reduce the shaking force of transmission in the motor main part 1 use, improve mounting panel 9 and the fixed strength and the combined type motor life who connects mounting block 6.

As an embodiment of the invention, the surface of one side of the connection supporting block 6 close to the elastic metal plate 17 is fixedly connected with evenly distributed buffer rubbers 22; the space in the buffer rubber 22 is communicated through a communicating groove 23 which is connected with the supporting block 6; the inner wall of the circular through hole 12 on the connecting supporting block 6 is fixedly connected with a rubber ring 24; a second cavity 25 is formed in the rubber ring 24; chutes are formed in the rubber ring 24 and the connecting support block 6, and one end of each chute is communicated with the communicating groove 23 while the other end is communicated with the circular through hole 12 in the connecting support block 6; a sliding rod 26 is connected in the sliding groove in a sliding manner; the side wall of one side of the lower end of the sliding rod 26 is designed to be inclined, and the lower end of the sliding rod 26 penetrates into the circular through hole 12 in an initial state; a communicating hole 27 is formed in the surface of the sliding rod 26; an air guide groove 28 is formed in the connecting supporting block 6; one end of the air guide groove 28 is communicated with the second cavity 25, and the other end is communicated to the communication hole 27; the communicating hole 27 is positioned in the sliding chute in the initial state, and after the limiting column 8 is inserted into the circular through hole 12, the sliding rod 26 slides to enable the communicating hole 27 to communicate with the communicating groove 23 and the air guide groove 28; in operation, after the elastic metal plate 17 is inserted into the connection mounting groove 7, the elastic metal plate 17 deforms to extrude the buffer rubber 22, so that the air pressure in the communicating groove 23 rises, in the process that the limiting column 8 is inserted into the circular through hole 12, the elastic metal plate 17 contacts the sliding rod 26, so that the sliding rod 26 slides towards the communicating groove 23, so that the communicating hole 27 on the sliding rod 26 is communicated with the communicating groove 23 and the air guide groove 28, so that high-pressure air in the communicating groove 23 enters the second cavity 25 through the air guide groove 28, so that the rubber ring 24 expands to tightly hold the limiting column 8, the matching iron wire ring 13 further prevents the limiting column 8 from being separated from the circular through hole 12 in the use process of the motor main body 1, meanwhile, the friction force between the limiting column 8 and the circular through hole 12 can be improved, the fixing strength is improved, the transmission of the vibration force is further reduced through the buffering of the rubber ring.

As an embodiment of the invention, a transmission shaft 2 penetrates through the middle of the outer surface of one side of a motor main body 1, a limiting thread cylinder 14 is arranged on one side of the transmission shaft 2, a transmission rod 5 is arranged on the inner side of the limiting thread cylinder 14, a fixed thread block 3 is arranged on each of the outer side of the transmission rod 5 and the outer side of the limiting thread cylinder 14, a rotating column 4 is arranged at the lower end of the fixed thread block 3, a protective cover 10 is arranged on the other side of the motor main body 1, a screw is arranged between the protective cover 10 and the motor main body 1, and the outer surface of one side of the protective cover 10 is fixedly connected with the outer surface of the other side of; the outer surface of the transmission rod 5 is fixedly connected with the inner side outer surface of the limiting thread cylinder 14 through the fixed thread block 3, the outer surface of the limiting thread cylinder 14 is provided with an external thread, the inner side outer surface of the fixed thread block 3 is provided with an internal thread, and the external thread of the limiting thread cylinder 14 is mutually meshed with the internal thread of the fixed thread block 3; the outer surface of one side of the transmission rod 5 is fixedly connected with the outer surface of one side of the transmission shaft 2 through a limiting thread cylinder 14, and the outer surface of one side of the limiting thread cylinder 14 is fixedly connected with the outer surface of one side of the motor main body 1 through the transmission shaft 2; when the combined type motor works, the transmission rod 5 connected with the transmission mechanism penetrates through the fixed thread block 3 and is inserted into the limiting thread cylinder 14, then a user grasps the rotating column 4 to rotate, the fixed thread block 3 can rotate and be meshed with the limiting thread cylinder 14, the length of the inner diameter of the limiting thread cylinder 14 is reduced through the fixed thread block 3, the transmission rod 5 can be fixed in the limiting thread cylinder 14, the transmission rod 5 and the transmission shaft 2 can be fixed together, then the combined type motor is started, the transmission shaft 2 rotates to drive the transmission rod 5 connected with the transmission mechanism to rotate, and the purpose that the rotating force generated by the combined type motor is transmitted to the transmission mechanism and the transmission mechanism runs is achieved.

As an embodiment of the present invention, the outer surface of the motor main body 1 is provided with heat dissipation ribs 11; during operation, can effectively improve motor main part 1's radiating effect through heat dissipation muscle 11, improve motor main part 1 body intensity simultaneously, improve life.

The specific working process is as follows:

when the combined type motor works, after the installation position is determined, the installation plate 9 is firstly placed at the installation position, after the combined type motor is fixed through bolts, the elastic metal plate 17 is sleeved on the surface of the connection supporting block 6, then the connection supporting block 6 and the elastic metal plate 17 are inserted into the connection supporting groove 7, in the insertion process, due to the inclined design of the elastic metal plate 17, the elastic metal plate 17 is tightly attached to the inner wall of the connection supporting groove 7 and the outer wall of the connection supporting block 6, after the elastic metal plate 17 and the connection supporting block 6 are completely inserted into the connection supporting groove 7, the circular through hole 12 is conducted, after the limiting column 8 is inserted into the circular through hole 12, the iron wire ring 13 penetrates through the limiting column 8, when the motor body 1 needs to be disassembled, a user can take the iron wire ring 13 off the limiting column 8, then draw the limiting column 8 out of the circular through hole 12, lift the motor body 1 upwards, and enable the connection supporting block 6 at the lower end of the, simultaneously, the elastic metal plate 17 is taken out;

after the elastic metal plate 17 is inserted into the coupling installation groove 7, the cushion pad 19 is pressed, the gas in the first cavity 20 enters the rubber protrusion 21, the rubber protrusion 21 is expanded, meanwhile, when the elastic metal plate 17 is inserted into the connection mounting groove 7, the elastic metal plate 17 deforms to press the rubber protrusion 21, so that the pressure in the rubber protrusion 21 and the pressure in the first cavity 20 are increased, after the elastic metal plate 17 is inserted into the connection installation groove 7, the elastic metal plate 17 is deformed to press the buffer rubber 22, so that the air pressure in the communication groove 23 is raised, during the process of inserting the limiting column 8 into the circular through hole 12, the sliding rod 26 is contacted, so that the sliding rod 26 slides towards the communication groove 23, so that the communication hole 27 of the sliding rod 26 is communicated with the communication groove 23 and the air guide groove 28, and high-pressure air in the communication groove 23 enters the second cavity 25 through the air guide groove 28, so that the rubber ring 24 is expanded to tightly hold the limiting column 8;

the transmission rod 5 connected with the transmission mechanism penetrates through the fixed thread block 3 and is inserted into the limiting thread cylinder 14, then a user grasps the rotating column 4 to rotate, so that the fixed thread block 3 can rotate and the limiting thread cylinder 14 can be meshed together, the length of the inner diameter of the limiting thread cylinder 14 is reduced through the fixed thread block 3, the transmission rod 5 can be fixed in the limiting thread cylinder 14, the transmission rod 5 can be fixed with the transmission shaft 2, then the compound motor is started, the transmission shaft 2 rotates to drive the transmission rod 5 connected with the transmission mechanism to rotate, and the purpose of transmitting the rotating force generated by the compound motor to the transmission mechanism and enabling the transmission mechanism to operate is achieved.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A compound motor comprising a motor main body (1), characterized in that: the lower end of the motor main body (1) is fixedly connected with a connecting supporting block (6), and a bearing seat (16) is arranged below the connecting supporting block (6); the upper surface of the bearing seat (16) is provided with a connecting and supporting groove (7); the connecting supporting block (6) is positioned in the connecting supporting groove (7), and an elastic metal plate (17) is arranged between the connecting supporting block (6) and the connecting supporting groove; the elastic metal plate (17) is designed in a concave shape, and two sides of the elastic metal plate (17) are designed to be bent outwards from bottom to top; circular through holes (12) are formed in the bearing seat (16), the elastic metal plate (17) and the connecting and supporting block (6) in a penetrating mode, and after the elastic metal plate (17) and the connecting and supporting block (6) are located in the connecting and supporting groove (7), the connecting and supporting groove (7) and the elastic metal plate (17) are communicated with the circular through holes (12) in the connecting and supporting block (6); a limiting column (8) is arranged in the circular through hole (12) in a sliding mode, an iron wire ring (13) penetrates through one end of the limiting column (8), and a mounting plate (9) is welded to the lower surface of the bearing plate through a welding block (15); the section of the limiting column (8) is in a T-shaped design, and the minimum diameter of the limiting column (8) is the same as the diameter of the circular through hole (12).

2. A compound motor as defined in claim 1, wherein: the side walls of the two sides of the elastic metal plate (17) far away from the connecting support block (6) are provided with rolling grooves which are uniformly distributed; the rolling grooves are all movably connected with rolling balls (18).

3. A compound motor as defined in claim 2, wherein: the lower surface of the elastic metal plate (17) is fixedly connected with a cushion pad (19); a first cavity (20) is formed in the buffer pad (19); the side walls of the two sides of the elastic metal plate (17) far away from the connecting supporting block (6) are fixedly connected with rubber bulges (21) which are uniformly distributed; the rubber bulges (21) and the balls (18) are alternately arranged; the inner space of each rubber bulge (21) is communicated with the first cavity (20) through an air groove formed in the elastic metal plate (17).

4. A compound motor as defined in claim 1, wherein: the surface of one side of the connecting and supporting block (6) close to the elastic metal plate (17) is fixedly connected with buffer rubbers (22) which are uniformly arranged; the space in the buffer rubber (22) is communicated through a communicating groove (23) which is connected with the supporting block (6); the inner wall of the circular through hole (12) on the connecting supporting block (6) is fixedly connected with a rubber ring (24); a second cavity (25) is formed in the rubber ring (24); sliding grooves are formed in the rubber ring (24) and the connecting support block (6), one end of each sliding groove is communicated with the communicating groove (23), and the other end of each sliding groove is communicated with the circular through hole (12) in the connecting support block (6); a sliding rod (26) is connected in the sliding groove in a sliding manner; the side wall of one side of the lower end of the sliding rod (26) is designed to be inclined, and the lower end of the sliding rod (26) penetrates into the circular through hole (12) in an initial state; a communicating hole (27) is formed in the surface of the sliding rod (26); an air guide groove (28) is formed in the connecting supporting block (6); one end of the air guide groove (28) is communicated with the second cavity (25), and the other end of the air guide groove is communicated to the communication hole (27); the communication hole (27) is positioned in the sliding groove in the initial state, and after the limiting column (8) is inserted into the circular through hole (12), the sliding rod (26) slides to enable the communication hole (27) to communicate the communication groove (23) and the air guide groove (28).

5. A compound motor as defined in claim 1, wherein: the middle part of the outer surface of one side of the motor main body (1) is provided with a transmission shaft (2) in a penetrating manner, one side of the transmission shaft (2) is provided with a limiting thread cylinder (14), the inner side of the limiting thread cylinder (14) is provided with a transmission rod (5), the outer side of the transmission rod (5) and the outer side of the limiting thread cylinder (14) are both provided with fixed thread blocks (3), the lower end of each fixed thread block (3) is provided with a rotating column (4), the other side of the motor main body (1) is provided with a protective cover (10), a screw is arranged between the protective cover (10) and the motor main body (1), and the outer surface of one side of the protective cover (10) is fixedly connected with the outer surface of; the outer surface of the transmission rod (5) is fixedly connected with the inner side outer surface of the limiting thread cylinder (14) through the fixed thread block (3), the outer surface of the limiting thread cylinder (14) is provided with an external thread, the inner side outer surface of the fixed thread block (3) is provided with an internal thread, and the external thread of the limiting thread cylinder (14) is meshed with the internal thread of the fixed thread block (3); the outer surface of one side of the transmission rod (5) is fixedly connected with the outer surface of one side of the transmission shaft (2) through a limiting thread cylinder (14), and the outer surface of one side of the limiting thread cylinder (14) is fixedly connected with the outer surface of one side of the motor main body (1) through the transmission shaft (2).

6. A compound motor as defined in claim 1, wherein: the outer surface of the motor main body (1) is provided with heat dissipation ribs (11).