Low-rotating-speed motor

Abstract

The utility model relates to the technical field of motors, and discloses a low rotating speed motor, which comprises a shell, a rotating shaft, a dismounting mechanism and a mounting mechanism, the outer wall of one side of the shell is fixedly connected with an end cover, one side of the rotating shaft penetrates through the end cover to the outside of the end cover, the other side of the shell is provided with the dismounting mechanism, and the mounting mechanism is fixedly connected with the end cover. The dismounting mechanism comprises a lantern ring, the inner wall of the lantern ring is in threaded connection with a connecting ring, the inner wall of the connecting ring is fixedly connected with a ventilation partition plate, the outer wall of the other side of the connecting ring is fixedly connected with a dust cover, and the periphery of the outer wall of the other side of the shell is fixedly connected with limiting rods. According to the utility model, the limiting rod in the dismounting mechanism is in sliding connection with the connecting ring and is in threaded connection with the connecting ring in cooperation with the lantern ring rotationally connected to the shell, so that the shell is convenient to dismount, and the motor is convenient to dismount and mount through sliding connection between the clamping groove in the mounting mechanism and the mounting sliding block and clamping connection between the clamping block and the mounting sliding block in cooperation.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor motor technical field especially relates to a low speed motor motor. BACKGROUND

[0002] The motor motor is a kind of rotary machine that is converted into mechanical energy, and the low speed motor motor is a kind of motor motor operating in lower speed range, and their speed is usually several hundred to several thousand revolutions per minute, compared with high speed motor motor has higher torque and better stability.

[0003] However, the existing low speed motor motor on the market mostly adopts welding or multiple bolts to connect the shell of low speed motor motor together, so that staff is difficult to disassemble shell, is inconvenient for staff to overhaul and maintain the internal motor, and the existing low speed motor motor on the market mostly is not convenient for staff to install and disassemble low speed motor motor, increases the operation complexity of staff.

[0004] Therefore, the low speed motor motor is provided by the person skilled in the art to solve the problems in the above background. UTILITY MODEL CONTENT

[0005] The utility model discloses a kind of low speed motor motors, to solve the shortcomings in prior art, by the limiting rod in dismounting mechanism and the sliding connection of connecting ring, cooperate with the thread connection of the sleeve ring rotationally connected on shell and connecting ring, it is convenient to disassemble shell, and by the sliding connection of mounting sliding block in mounting mechanism and the clamping groove, cooperate with the clamping block fixedly connected on connecting plate upper end and the clamping connection of mounting sliding block, it is convenient to disassemble and assemble low speed motor motor.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a low -speed motor motor, including the casing, rotating shaft, dismounting mechanism and mounting mechanism, one side outer wall of casing is fixedly connected with end cover, one side of rotating shaft penetrates end cover to the outside of end cover, the other side of casing is provided with dismounting mechanism, the dismounting mechanism includes collar, the inner wall of collar is connected with the connecting ring of screw thread, the inner wall of connecting ring is fixedly connected with the air -venting baffle, the outer wall of connecting ring other side is fixedly connected with dust cover, the periphery of the outer wall of casing other side is all fixedly connected with the restriction rod, the periphery of casing inner wall is all fixedly connected with permanent magnet, the middle part of rotating shaft rod body outer wall is fixedly connected with rotor iron core, a plurality of rotor windings are wound on the rotor iron core, the other side of rotating shaft rod body outer wall is fixedly connected with commutator, the front end and rear end of air -venting baffle one side outer wall middle part are all fixedly connected with electric brush, the side of electric brush away from the center of air -venting baffle is all fixedly connected with connecting wire, the lower extreme of casing is provided with mounting mechanism, and the mounting mechanism includes fixed seat;

[0008] Through the above technical scheme, the four restriction rods fixedly connected on the casing in the dismounting mechanism are slidably connected with the connecting ring fixedly connected on the dust cover, and the connecting ring is limited from rotating, and the collar rotatably connected on the casing is threadedly connected with the connecting ring, so that the staff can twist the collar to detach the dust cover, thereby facilitating the internal maintenance and repair.

[0009] Further, the front end and the rear end of the other side outer wall of the fixed seat are both provided with a clamping groove, the front end and the rear end of the lower end outer wall of the casing are both fixedly connected with a mounting sliding block, the middle part of the front end and the rear end outer wall of the fixed seat is both provided with a sliding groove, the middle part of the inner bottom surface of the sliding groove is fixedly connected with a return spring, the upper end of the return spring is fixedly connected with a connecting plate, the two sides of the upper end of the connecting plate are both fixedly connected with a clamping block, and the side away from the center of the connecting plate is both penetrated through the sliding groove and fixedly connected with a pressing block.

[0010] Through the above technical scheme, the clamping groove in the mounting mechanism is slidably connected with the two mounting sliding blocks fixedly connected on the casing, the connecting plate at the upper end of the return spring is slidably arranged in the sliding groove, the clamping block at the upper end of the connecting plate is clamped with the mounting sliding block, and the clamping block is driven by the connecting plate by pressing the pressing block, so that the clamping connection of the mounting sliding block is released, thereby facilitating the disassembly and assembly of the low-speed motor.

[0011] Further, the inner wall of the end cover is fixedly connected with a front bearing, the inner wall of the front bearing is fixedly connected with the rotating shaft, the inner wall of the air -venting baffle is fixedly connected with a rear bearing, and the inner wall of the rear bearing is fixedly connected with the rotating shaft.

[0012] Through the technical scheme, the front bearing and the rear bearing are arranged on the rotating shaft, so that the rotating shaft rotates more smoothly on the end cover and the ventilation baffle, friction during rotation is reduced, wear of the end cover and the ventilation baffle on the rotating shaft is reduced, the ventilation baffle separates the connecting ring from the shell, the position of the rotating shaft is limited, and the opening on the ventilation baffle cooperates with the opening on the shell, so that external airflow can enter.

[0013] Further, the front end and the rear end of the middle part of the other side outer wall of the dust cover are fixedly connected with pins, and the other side of the connecting wire is sequentially penetrated through the ventilation baffle and the dust cover and fixedly connected with the pins.

[0014] Through the technical scheme, the brush is connected with the pins on the dust cover through the connecting wire, so that the motor is conveniently powered.

[0015] Further, the outer wall of one side of the sleeve ring is rotationally connected with the shell, and the outer walls of the limiting rods are slidably connected with the connecting ring.

[0016] Through the technical scheme, the sleeve ring is rotationally connected with the shell, so that the worker can rotate the sleeve ring to unscrew the connecting ring which is threadedly connected with the sleeve ring, and then dismount the dust cover to open the shell, and the four limiting rods are slidably connected with the connecting ring, so that the connecting ring cannot rotate with the sleeve ring, and the connecting ring is conveniently unscrewed.

[0017] Further, the outer wall of one side of the commutator is electrically connected with the rotor winding, one side of the brush close to the center of the ventilation baffle is closely attached to the commutator, and the other side of the rotating shaft is fixedly connected with a fan penetrating through the ventilation baffle.

[0018] Through the technical scheme, the fan is fixedly connected on the rotating shaft, so that air can circulate when the rotating shaft rotates to drive the fan, and the motor is conveniently cooled, the rotor winding is electrically connected with the commutator, and the two brushes are closely attached to the commutator, so that the current entering from the pins flows to the commutator through the connecting wire and enters the rotor winding, the cooperation between the brush and the commutator enables different rotor windings to be connected when the rotor core rotates, the direction of the magnetic field is changed, and the permanent magnet enables the rotating shaft to continue to rotate.

[0019] Further, the mounting sliding block is slidably connected with the clamping groove, and the sliding grooves are throughly connected with the clamping grooves.

[0020] Through the technical scheme, the clamping block fixedly connected on the connecting plate can be deeply inserted into the inside of the clamping groove, and the mounting sliding block is clamped in the inside of the clamping groove, the mounting sliding block is slidably connected with the clamping groove, the movement direction of the mounting sliding block on the fixing seat is limited, and the clamping block and the mounting sliding block are clamped and connected, so that the mounting sliding block is less likely to be separated.

[0021] Further, the connecting plates slide inside the sliding grooves, and the clamping blocks are in clamping connection with the mounting sliding blocks.

[0022] Through the above technical scheme, by allowing the connecting plates to slide inside the sliding grooves, after the staff presses the pressing block, the connecting plates can be driven to move inside the sliding grooves, and then the clamping state of the clamping blocks fixedly connected to the upper ends of the connecting plates and the mounting sliding blocks is changed.

[0023] The utility model has the advantages of the following beneficial effects:

[0024] 1. The low-speed motor of the utility model is provided with four limiting rods fixedly connected to the middle shell and connected in sliding connection with the connecting ring fixedly connected to the dust cover, and the connecting ring is limited from rotating, and the sleeve ring rotatingly connected to the shell is in threaded connection with the connecting ring, so that the staff can detach the dust cover by rotating the sleeve ring, thereby facilitating the staff to overhaul and maintain the interior of the low-speed motor.

[0025] 2. The low-speed motor of the utility model is provided with two mounting sliding blocks fixedly connected to the shell in the mounting mechanism and in sliding connection with the clamping groove, and the connecting plate fixedly connected to the upper end of the reset spring is in sliding connection inside the sliding groove, and the clamping block fixedly connected to the upper end of the connecting plate is in clamping connection with the mounting sliding block, and the staff can release the clamping connection of the mounting sliding block by pressing the pressing block to drive the clamping block with the connecting plate, thereby facilitating the staff to install and detach the low-speed motor and reducing the operation complexity of the staff. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 FIG. 1 is a schematic view of the main structure of the low-speed motor of the utility model;

[0027] Figure 2 FIG. 2 is an exploded view of the low-speed motor of the utility model;

[0028] Figure 3 FIG. 3 is an axial sectional view of the shell, end cover, dust cover, fixing seat, sleeve ring and connecting ring of the low-speed motor of the utility model;

[0029] Figure 4 FIG. 4 is an axial sectional view of the shell, end cover, dust cover, connecting ring, sleeve ring, limiting rod and air separation plate of the low-speed motor of the utility model;

[0030] Figure 5 FIG. 5 is an axial sectional view of the shell, permanent magnet, mounting sliding block and fixing seat of the low-speed motor of the utility model;

[0031] Figure 6 FIG. 6 is a schematic view of the main structure of the low-speed motor of the utility model;Figure 3 Enlarged view at A;

[0032] Figure 7 For Figure 4 Enlarged view at B;

[0033] Figure 8 For Figure 5 Enlarged view at C.

[0034] Legend:

[0035] 1, shell; 2, end cover; 3, rotating shaft; 4, dismounting mechanism; 401, collar; 402, connecting ring; 403, dust cover; 404, ventilation partition; 405, limiting rod; 5, permanent magnet; 6, front bearing; 7, rotor core; 8, rotor winding; 9, mounting mechanism; 901, fixed seat; 902, clamping groove; 903, mounting sliding block; 904, reset spring; 905, connecting plate; 906, clamping block; 907, sliding groove; 908, pressing block; 10, commutator; 11, pin; 12, connecting wire; 13, brush; 14, rear bearing; 15, fan. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0037] With reference to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , the present application provides an embodiment:

[0038] The utility model provides a low -speed motor motor, including casing 1, rotation axis 3, dismantling mechanism 4 and installation mechanism 9, the outer wall of one side of casing 1 is fixedly connected with end cover 2, the one side of rotation axis 3 is through end cover 2 to the outside of end cover 2, the other side of casing 1 is provided with dismantling mechanism 4, dismantling mechanism 4 includes collar 401, the inner wall of collar 401 is connected with the connecting ring 402 of screw thread, the inner wall of connecting ring 402 is fixedly connected with the air gap 404 of ventilation, the outer wall of the other side of connecting ring 402 is fixedly connected with dust cover 403, the outer wall of the other side of casing 1 is fixedly connected with the limiting rod 405 around, the inner wall of casing 1 is fixedly connected with permanent magnet 5 around, the middle part of the outer wall of rotation axis 3 pole body is fixedly connected with rotor iron core 7, is provided with a plurality of rotor winding 8 on rotor iron core 7, the other side of rotation axis 3 pole body outer wall is fixedly connected with commutator 10, the front end and rear end of the middle part of the outer wall of ventilation air gap 404 one side are fixedly connected with brush 13, the side of brush 13 away from the center of ventilation air gap 404 is fixedly connected with connecting wire 12, the lower end of casing 1 is provided with installation mechanism 9, and installation mechanism 9 includes fixed base 901.

[0039] The inner wall of the end cover 2 is fixedly connected with a front bearing 6, the inner wall of the front bearing 6 is fixedly connected with the rotating shaft 3, the inner wall of the air ventilation partition plate 404 is fixedly connected with a rear bearing 14, the inner wall of the rear bearing 14 is fixedly connected with the rotating shaft 3, the front bearing 6 and the rear bearing 14 are arranged on the rotating shaft 3, so that the rotating shaft 3 rotates more smoothly on the end cover 2 and the air ventilation partition plate 404, the friction during rotation is reduced, the wear of the end cover 2 and the air ventilation partition plate 404 on the rotating shaft 3 is reduced, the air ventilation partition plate 404 separates the connecting ring 402 from the shell 1, the position of the rotating shaft 3 is limited, the air ventilation partition plate 404 has an opening, the opening of the air ventilation partition plate 404 cooperates with the opening of the shell 1, so that the airflow from the outside can enter, the front end and the rear end of the middle part of the other side outer wall of the dust cover 403 are fixedly connected with the pin 11, the other side of the connecting wire 12 is sequentially penetrated through the air ventilation partition plate 404 and the dust cover 403 and is fixedly connected with the pin 11, the connecting wire 12 is connected between the brush 13 and the pin 11 on the dust cover 403, so as to facilitate power supply to the motor, the outer wall of one side of the sleeve ring 401 is rotationally connected with the shell 1, the outer wall of the rod body of the limiting rod 405 is slidably connected with the connecting ring 402, the sleeve ring 401 is rotationally connected with the shell 1, so that the worker can rotate the sleeve ring 401 to unscrew the connecting ring 402 which is threadedly connected with the sleeve ring 401, and then disassemble the dust cover 403 to open the shell 1, the four limiting rods 405 are slidably connected with the connecting ring 402, so that the connecting ring 402 cannot rotate with the sleeve ring 401, and the connecting ring 402 is convenient to unscrew, the outer wall of one side of the commutator 10 is electrically connected with the rotor winding 8, the side close to the center of the air ventilation partition plate 404 of the brush 13 is tightly attached to the commutator 10, the other side of the rotating shaft 3 penetrates through the air ventilation partition plate 404 and is fixedly connected with the fan 15, the fan 15 is fixedly connected on the rotating shaft 3, so that the air can circulate when the rotating shaft 3 rotates to drive the fan 15, which is beneficial to heat dissipation of the motor, the rotor winding 8 is electrically connected with the commutator 10, the two brushes 13 are tightly attached to the commutator 10, so that the current from the pin 11 flows to the commutator 10 through the connecting wire 12 and then flows to the rotor winding 8, the cooperation between the brush 13 and the commutator 10 makes the different rotor windings 8 be connected when the rotor iron core 7 rotates, the direction of the magnetic field is changed, and the permanent magnet 5 makes the rotating shaft 3 continue to rotate.

[0040] Referring to Figure 1 , Figure 2 , Figure 5 and Figure 8The front end and the rear end of the other side outer wall of the fixed seat 901 are both provided with a clamping groove 902, the front end and the rear end of the lower end outer wall of the shell 1 are both fixedly connected with a mounting sliding block 903, the middle part of the front end and the rear end outer wall of the fixed seat 901 is both provided with a sliding groove 907, the middle part of the inner bottom surface of the sliding groove 907 is fixedly connected with a return spring 904, the upper end of the return spring 904 is fixedly connected with a connecting plate 905, the two sides of the upper end of the connecting plate 905 are both fixedly connected with a clamping block 906, and the side, away from the center of the fixed seat 901, of the connecting plate 905 penetrates through the sliding groove 907 and is fixedly connected with a pressing block 908.

[0041] The mounting sliding block 903 is in sliding connection with the clamping groove 902, the sliding groove 907 is in through connection with the clamping groove 902, the clamping block 906 fixedly connected to the connecting plate 905 can be deeply inserted into the clamping groove 902 by making the sliding groove 907 in through connection with the clamping groove 902, the mounting sliding block 903 is clamped in the clamping groove 902, the mounting sliding block 903 is in sliding connection with the clamping groove 902, the movement direction of the mounting sliding block 903 on the fixed seat 901 is limited, the mounting sliding block 903 is less likely to come off by matching the clamping connection between the clamping block 906 and the mounting sliding block 903, the connecting plate 905 slides in the sliding groove 907, the clamping block 906 is in clamping connection with the mounting sliding block 903, and the clamping block 906 can move in the sliding groove 907 by making the connecting plate 905 slide in the sliding groove 907, so that the connecting plate 905 can be driven to move in the sliding groove 907 after the pressing block 908 is pressed by a worker, and then the clamping connection state between the clamping block 906 fixedly connected to the upper end of the connecting plate 905 and the mounting sliding block 903 is changed.

[0042] Working principle: when the low-speed motor is used, firstly, the worker slides the motor into a part of the clamping groove 902 on the fixed seat 901 by using the two mounting sliding blocks 903 at the lower end of the shell 1, then presses the pressing block 908 to drive the connecting plate 905 to drive the clamping block 906 to move downward in the sliding groove 907, and then continues to push the motor, the mounting sliding block 903 is completely slid into the clamping groove 902, the pressing block 908 is released, the clamping block 906 clamps the mounting sliding block 903 and is fixed under the action of the return spring 904, the installation of the motor is completed, secondly, the worker connects the load with the rotating shaft 3, and connects the two pins 11 with an external power supply through external point lines to supply power, so that the motor drives the load to work for a long time, finally, the worker can rotate the collar 401 on the shell 1 to unscrew the connecting ring 402 threadedly connected with the collar 401, and then dismount the dust cover 403, the worker maintains and repairs the components in the shell 1, after the maintenance and repair work is completed, the worker takes the dust cover 403 and aligns the connecting ring 402 with the limiting rod 405, rotates the collar 401 to screw the connecting ring 402 again, and the installation of the dust cover 403 is completed.

[0043] It should be pointed out finally that: the above only for the preferred specific embodiments of the present application, and is not used to limit the present application, although the present application is described in detail with reference to the foregoing specific embodiments, for the skilled in the art, it still can be modified to the technical solutions recorded in the foregoing each specific embodiment, or to the equivalent replacement of part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A low speed electric motor comprising a housing (1), a rotating shaft (3), a dismounting mechanism (4) and a mounting mechanism (9), characterized in that: The outer wall of one side of the shell (1) is fixedly connected with an end cover (2), one side of the rotating shaft (3) penetrates the end cover (2) to the outside of the end cover (2), the other side of the shell (1) is provided with a dismounting mechanism (4), the dismounting mechanism (4) comprises a sleeve ring (401), the inner wall of the sleeve ring (401) is threadedly connected with a connecting ring (402), the inner wall of the connecting ring (402) is fixedly connected with a ventilation partition plate (404), the outer wall of the other side of the connecting ring (402) is fixedly connected with a dust cover (403), the outer wall of the other side of the shell (1) is fixedly connected with a limiting rod (405) at the periphery, the inner wall of the shell (1) is fixedly connected with a permanent magnet (5) at the periphery, the outer wall of the middle part of the rod body of the rotating shaft (3) is fixedly connected with a rotor iron core (7), a plurality of rotor windings (8) are wound on the rotor iron core (7), the outer wall of the other side of the rod body of the rotating shaft (3) is fixedly connected with a commutator (10), the front end and the rear end of the middle part of the outer wall of one side of the ventilation partition plate (404) are fixedly connected with an electric brush (13), the side away from the center of the ventilation partition plate (404) of the electric brush (13) is fixedly connected with a connecting wire (12), the lower end of the shell (1) is provided with a mounting mechanism (9), the mounting mechanism (9) comprises a fixed seat (901).

2. A low-rotational-speed motor according to claim 1, characterized by: The front end and the rear end of the outer wall of the other side of the fixed seat (901) are provided with clamping grooves (902), the outer wall of the front end and the rear end of the lower end of the shell (1) is fixedly connected with a mounting sliding block (903), the middle part of the outer wall of the front end and the rear end of the fixed seat (901) is provided with a sliding groove (907), the middle part of the inner bottom surface of the sliding groove (907) is fixedly connected with a reset spring (904), the upper end of the reset spring (904) is fixedly connected with a connecting plate (905), the two sides of the upper end of the connecting plate (905) are fixedly connected with a clamping block (906), the side away from the center of the fixed seat (901) of the connecting plate (905) penetrates the sliding groove (907) and is fixedly connected with a pressing block (908).

3. A low-rotational-speed motor according to claim 1, characterized in that: The inner wall of the end cover (2) is fixedly connected with a front bearing (6), the inner wall of the front bearing (6) is fixedly connected with the rotating shaft (3), the inner wall of the ventilation partition plate (404) is fixedly connected with a rear bearing (14), the inner wall of the rear bearing (14) is fixedly connected with the rotating shaft (3).

4. A low-rotational-speed motor according to claim 1, characterized by: The front end and the rear end of the middle part of the outer wall of the other side of the dust cover (403) are fixedly connected with a pin (11), the other side of the connecting wire (12) penetrates the ventilation partition plate (404) and the dust cover (403) in sequence and is fixedly connected with the pin (11).

5. A low-rotational-speed motor according to claim 1, characterized in that: The outer wall of one side of the sleeve ring (401) is rotatably connected with the shell (1), the outer wall of the rod body of the limiting rod (405) is slidably connected with the connecting ring (402).

6. A low-rotational-speed motor according to claim 1, characterized by: The outer wall of one side of the commutator (10) is electrically connected with the rotor winding (8), the electric brush (13) is close to one side of the center of the air baffle (404) and is tightly attached with the commutator (10), and the other side of the rotating shaft (3) is fixedly connected with the fan (15) penetrating through the air baffle (404).

7. A low-rotational-speed motor according to claim 2, characterized by: The mounting sliding block (903) is slidably connected with the clamping groove (902), and the sliding groove (907) is connected with the clamping groove (902) penetratingly.

8. A low-rotational-speed motor according to claim 2, characterized by: The connecting plate (905) slides in the sliding groove (907), and the clamping block (906) is clamped with the mounting sliding block (903).

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