CN210536389U

CN210536389U - Dismantle convenient direct current gear motor

Info

Publication number: CN210536389U
Application number: CN201921679089.3U
Authority: CN
Inventors: 周统富; 周平利; 万杰; 肖恢芳
Original assignee: Dongguan Weijin Electric Co Ltd
Current assignee: Dongguan Weijin Electric Co Ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-05-15
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses a dismantle convenient DC gear motor belongs to DC gear motor technical field, which comprises a housing, the mounting hole has been seted up to casing top both sides, the louvre has been seted up on the casing top and the louvre has a plurality ofly, the air inlet of casing extends to in the fixed lid through the louvre, the casing can be dismantled and be connected with the pivot, the pivot runs through fixed lid, the pivot can be dismantled and be connected with the flabellum, pivot top gap junction has gear an, install screw b in the mounting hole, fixed lid and casing pass through screw b bolt, fixed lid is opened and is equipped with the internal thread, the internal thread mutually supports with the external screw thread, the box bottom is seted up to the external screw thread. The machine shell and the fixed cover, the fixed cover and the box body, and the box body and the box cover can be detached, and parts can be easily detached and replaced after being damaged; when the motor works, the rotating shaft drives the fan blades to rotate to generate wind power, and air is blown to enter the shell from the heat dissipation holes to dissipate heat, so that parts are prevented from being damaged by heat.

Description

Dismantle convenient direct current gear motor

Technical Field

The utility model relates to a direct current gear motor technical field especially relates to a dismantle convenient direct current gear motor.

Background

The DC speed reducing motor, i.e. the gear speed reducing motor, is added with a matched gear speed reducing box on the basis of a common DC motor. The gear reduction box has the function of providing lower rotating speed and larger torque. At the same time, different reduction ratios of the gearbox can provide different rotational speeds and torques. This greatly increases the utilization of dc motors in the automation industry. The reduction motor is an integrated body of a reduction gear and a motor (motor). Such an integrated body may also be generally referred to as a gear motor or gearmotor. The speed reducing motor is widely applied to the steel industry, the mechanical industry and the like.

The prior art direct current gear motor has the following disadvantages: 1. the speed reducing motor is not easy to disassemble after being installed, and parts are not easy to replace; 2. the motor generates heat after being used for a long time, and internal parts are easy to damage after being subjected to thermal expansion.

SUMMERY OF THE UTILITY MODEL

The utility model provides a direct current gear motor with convenient disassembly, the casing and the fixed cover, the fixed cover and the box body, and the box body and the box cover can be disassembled, and the parts can be easily disassembled and replaced after being damaged; when the motor works, the rotating shaft drives the fan blades to rotate to generate wind power, and air is blown to enter the shell from the heat dissipation holes to dissipate heat, so that parts are prevented from being damaged by heat.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of dismantle convenient direct current gear motor, which comprises a housing, the mounting hole has been seted up to casing top both sides, it has a plurality ofly to have seted up louvre and louvre on the casing top, the air inlet of casing extends to in the fixed lid through the louvre, the casing can be dismantled and is connected with the pivot, the pivot runs through fixed lid, the pivot can be dismantled and be connected with the flabellum, pivot top gap junction has gear an, install screw b in the mounting hole, fixed lid and casing pass through screw b bolt, fixed lid is opened and is equipped with the internal thread, the internal thread is mutually supported with the external screw thread, the box bottom is seted up to the external screw thread, box and case lid pass through screw a bolt, the case lid is seted up.

Optionally, the round hole has been seted up to the box, the box through connection has transmission shaft and transmission shaft to have a plurality ofly.

Optionally, the two sides of the bottom end of the transmission shaft are connected with clamping blocks in an interference mode, the clamping blocks are connected with clamping grooves in a buckling mode, the clamping grooves are formed in the limiting blocks, and silica gel sleeves are bonded on the clamping grooves.

Optionally, the transmission shaft is respectively provided with a gear b, the gears b are matched with each other, and the gear b is meshed with the gear a.

The utility model has the advantages as follows:

the embodiment of the utility model provides a dismantle convenient direct current gear motor:

1. all can dismantle between casing and fixed lid, fixed lid and box, box and case lid, can dismantle the change easily after the part damage, casing and fixed lid pass through screw b and connect, and external screw thread and fixed internal thread of covering mutually support on the box, and transmission shaft bottom fixture block buckle is fixed motionless in the spacing block, and case lid upper groove buckle box, both sides screw an are fixed case lid and box simultaneously, and the motor is whole can be dismantled, makes things convenient for the part to change.

2. The pivot drives the flabellum and rotates and produce wind-force when the motor is worked, blows the air and gets into the casing from the louvre and dispel the heat in, prevents that the part from being heated and destroys, and the flabellum is installed between the space that fixed lid and box connection left, and the pivot rotates and drives the flabellum rotation after the motor circular telegram, and the flabellum rotates and drives the air and rotate and produce centrifugal force, louvre and fixed lid intercommunication on the casing, and the air with higher speed gets into the heat absorption quantity in the casing from the louvre, can reduce the temperature in the motor fast.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a dc gear motor convenient to disassemble according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a casing of a dc gear motor according to an embodiment of the present invention, which is convenient to disassemble;

fig. 3 is a schematic structural diagram of a casing of a dc gear motor according to an embodiment of the present invention, which is convenient to disassemble;

fig. 4 is a schematic structural diagram of a limiting block of a dc gear motor convenient to disassemble according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of the inside of the box body of the direct current gear motor, which is convenient to disassemble and is provided by the embodiment of the present invention.

In the figure: 1. a screw a; 2. a box cover; 3. a groove; 4. a box body; 5. an external thread; 6. a fixed cover; 7. a screw b; 8. a housing; 9. a fan blade; 10. an internal thread; 11. heat dissipation holes; 12. mounting holes; 13. a rotating shaft; 14. a gear a; 15. a drive shaft; 16. a circular hole; 17. a limiting block; 18. a clamping block; 19. a silica gel sleeve; 20. a card slot; 21. and a gear b.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A dc gear motor with easy disassembly according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 5.

Referring to fig. 1 to 5, a direct current gear motor provided in an embodiment of the present invention includes a housing 8, mounting holes 12 are formed on two sides of a top end of the housing 8, a plurality of heat dissipation holes 11 are formed on a top end of the housing 8, an air inlet of the housing 8 extends into a fixing cover 6 through the heat dissipation holes 11, the housing 8 is detachably connected with a rotating shaft 13, the rotating shaft 13 penetrates through the fixing cover 6, the rotating shaft 13 is detachably connected with fan blades 9, a gear a14 is connected to a top end of the rotating shaft 13 in a clearance manner, a screw b7 is installed in the mounting hole 12, the fixing cover 6 and the housing 8 are bolted through a screw b7, the fixing cover 6 is provided with an internal thread 10, the internal thread 10 is matched with an external thread 5, the external thread 5 is formed at a bottom end of a housing 4, the housing 4 is bolted through a screw a1 with a housing, the box cover 2 is provided with a groove 3.

Illustratively, the fixed cover 6 is connected with the case 8 and the case 4, the case cover 2 is provided with the groove 3, the groove 3 is buckled with the case 4, dust can be prevented from entering the case 4 from a joint, an internal thread formed on the fixed cover 6 is matched with an external thread 5 formed on the case 4 to fix the fixed cover 6 and the case 4, a screw b7 penetrates through the mounting hole 12 to fix the fixed cover 6 and the case 8, and the rotating shaft 13 is directly inserted into the case 4.

Referring to fig. 3, a circular hole 16 is formed in the box body 4, and a plurality of transmission shafts 15 are penetratingly connected to the box body 4.

Illustratively, the gear a14 passes through the circular hole 16 and enters the box body 4, and the gear b21 on the transmission shaft 15 is matched with the gear a14 to reduce the speed.

Referring to fig. 4, two sides of the bottom end of the transmission shaft 15 are connected with clamping blocks 18 in an interference manner, the clamping blocks 18 are connected with clamping grooves 20 in a buckling manner, the clamping grooves 20 are formed in the limiting blocks 17, and silica gel sleeves 19 are bonded on the clamping grooves 20.

Illustratively, the fixture block 18 is clamped into the clamping groove 20, the silica gel sleeve 19 bonded with the clamping groove 20 increases the friction force between the fixture block 18 and the clamping groove 20, the stop block 17 is prevented from falling off, and the transmission shaft 15 rotates to drive the stop block 17 to rotate.

Referring to fig. 5, the transmission shafts 15 are respectively provided with a gear b21 and a gear b21, and the gear b21 is meshed with the gear a 14.

For example, different gears b21 are mounted on the transmission shaft 15 at different positions, the gears b21 rotate in an engaged manner, and one gear b21 is engaged with the gear a 14.

When the device is used, the rotating shaft 13 at the top end of the machine shell 8 penetrates through the fixed cover 6, the position of the fixed cover 6 is adjusted to enable the screws b7 to penetrate through the mounting holes 12 to fix the fixed cover 6 and the machine shell 8, the fan blades 9 are mounted on the rotating shaft 13, the gears a14 are fixed at the top end of the rotating shaft 13, the transmission shafts 15 are inserted into the bottom of the box body 4 in a certain sequence, the fixture blocks 18 at the bottom ends of the transmission shafts 15 are clamped into the limiting blocks 17 to be fixed, the gears b21 are sequentially mounted on the transmission shafts 15, the top end gears are rotated to enable the whole gear set to rotate successfully, the gears a at the top end of the rotating shaft 13 enter the box body 4 through the round holes 16 to be meshed with the gears b21, the box body 4 is screwed at the top end of the fixed cover 6, the box cover 2 is taken up to enable the grooves 3 to be clamped at the top end of the box body 4, the screws a.

It should be noted that the utility model relates to a direct current gear motor with convenient disassembly, which comprises a motor body 1 and a screw a; 2. a box cover; 3. a groove; 4. a box body; 5. an external thread; 6. a fixed cover; 7. a screw b; 8. a housing; 9. a fan blade; 10. an internal thread; 11. heat dissipation holes; 12. mounting holes; 13. a rotating shaft; 14. a gear a; 15. a drive shaft; 16. a circular hole; 17. a limiting block; 18. a clamping block; 19. a silica gel sleeve; 20. a card slot; 21. the gear b, the components are all universal standard parts or components known to those skilled in the art, and the structure and principle thereof are known to those skilled in the art through technical manuals or through routine experimentation.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The direct current speed reducing motor convenient to disassemble comprises a machine shell (8) and is characterized in that mounting holes (12) are formed in two sides of the top end of the machine shell (8), heat dissipation holes (11) are formed in the top end of the machine shell (8) and a plurality of heat dissipation holes (11) are formed in the top end of the machine shell (8), an air inlet of the machine shell (8) extends into a fixed cover (6) through the heat dissipation holes (11), a rotating shaft (13) is detachably connected with the machine shell (8), the rotating shaft (13) penetrates through the fixed cover (6), fan blades (9) are detachably connected with the rotating shaft (13), a gear a (14) is connected to the top end of the rotating shaft (13) in a clearance mode, a screw b (7) is installed in each mounting hole (12), the fixed cover (6) and the machine shell (8) are bolted through the screw b (7), an internal thread (10) is formed in the fixed, the external thread (5) is arranged at the bottom end of the box body (4), the box body (4) and the box cover (2) are bolted through a screw a (1), and the box cover (2) is provided with a groove (3).

2. The direct current speed reducing motor convenient to disassemble according to claim 1, wherein the box body (4) is provided with a round hole (16), the box body (4) is connected with a plurality of transmission shafts (15) in a penetrating manner, and the number of the transmission shafts (15) is multiple.

3. The direct current gear motor convenient to disassemble according to claim 2, wherein two sides of the bottom end of the transmission shaft (15) are in interference connection with clamping blocks (18), the clamping blocks (18) are in snap connection with clamping grooves (20), the clamping grooves (20) are arranged inside the limiting blocks (17), and the clamping grooves (20) are bonded with silica gel sleeves (19).

4. A direct current gear motor with convenient disassembly according to claim 2, wherein the transmission shafts (15) are respectively provided with gears b (21) and the gears b (21) are mutually matched, and the gears b (21) are meshed with the gears a (14).