CN216312836U

CN216312836U - Dust protected multi-functional variable speed direct current series excited machine

Info

Publication number: CN216312836U
Application number: CN202122459421.9U
Authority: CN
Inventors: 桂有志
Original assignee: Shenzhen Kegao Electromechanical Co ltd
Current assignee: Shenzhen Kegao Electromechanical Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-04-15
Anticipated expiration: 2031-10-12

Abstract

The utility model discloses a dustproof multifunctional variable-speed direct-current series motor, which relates to the field of series motors and aims at solving the problems that the internal components of the motor are damaged due to poor dustproof heat dissipation effect of the existing series motor and the service life of the motor is influenced. The utility model has novel structure, and the device can improve the dustproof heat dissipation efficiency of the series excited motor, protect the internal components thereof, prolong the service life of the series excited motor, facilitate the disassembly and the assembly of the heat dissipation buckle plate from the shell, and facilitate the internal maintenance operation of the series excited motor.

Description

Dust protected multi-functional variable speed direct current series excited machine

Technical Field

The utility model relates to the field of series excited motors, in particular to a dustproof multifunctional variable-speed direct-current series excited motor.

Background

The single-phase series motor is commonly called as a series motor or a universal motor, and is named because an excitation winding and an excitation winding are connected in series to work together. The single-phase series motor belongs to AC and DC dual-purpose motor, which can work by AC power supply and DC power supply.

Traditional series excited machine is in the use, because its dustproof radiating effect is relatively poor, leads to its motor inner assembly easily impaired, influences its life, consequently, in order to solve this type of problem, we have provided a multi-functional variable speed direct current series excited machine of dust protected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a dustproof multifunctional variable-speed direct-current series motor, which solves the problems that the internal components of the motor are damaged and the service life of the motor is influenced due to the poor dustproof heat dissipation effect of the conventional series motor.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a dustproof multifunctional variable-speed direct-current series-excited motor comprises a shell, wherein a stator assembly is mounted on the inner wall of the circumference of the shell, one end of the shell is arranged in an opening shape, a heat dissipation buckle plate is mounted at a position, close to the opening end, of the shell, air holes are uniformly distributed in the heat dissipation buckle plate, an output shaft penetrating through the side wall of the shell is rotatably mounted on one side, away from the opening end, of the shell, a rotor assembly is mounted on the output shaft, the end portion of the output shaft penetrates through the heat dissipation buckle plate, two symmetrically-distributed scraping plates are fixedly connected to the outer portion of the shell in an extending mode, the scraping plates cling to the heat dissipation buckle plate to slide, heat dissipation fan blades distributed in an annular array are fixedly mounted on a shaft body of the output shaft, and the heat dissipation fan blades are located inside the shell;

and a dismounting mechanism is arranged between the shell and the heat dissipation buckle plate.

As preferred, be provided with two seal grooves that are the symmetric distribution on the heat dissipation buckle, just the seal groove runs through the plate body of heat dissipation buckle, the casing is close to two installation poles that are the symmetric distribution of circumference inner wall fixedly connected with of open end, just installation pole is towards the one end fixedly connected with closing plate of heat dissipation buckle, just the closing plate matches with the seal groove.

Preferably, the mounting rod is arranged in an L shape, and the scraper is matched with the sealing groove.

As preferred, dismouting mechanism includes first lantern ring, the second lantern ring, second sleeve and second movable rod, first lantern ring rotates and cup joints in the circumference outer wall of casing, just the fixed circumference outer wall of cup jointing in the heat dissipation buckle of second lantern ring, one side that first lantern ring and second lantern ring are close to each other is two fixedly connected with two second sleeves that are rotational symmetry and two second movable rods that are rotational symmetry and distribute, just the telescopic inside of second is located to second movable rod sliding sleeve.

As preferred, dismouting mechanism still includes first sleeve, first movable rod and reset spring, two first movable rods that are rotational symmetry and distribute of one side fixedly connected with that the second lantern ring was kept away from to first lantern ring, two first sleeves that are rotational symmetry and distribute of circumference outer wall fixedly connected with of casing, just first telescopic inside is located to the one end sliding sleeve of first movable rod, and be connected with reset spring between the inner wall of first sleeve.

Preferably, the length of the first sleeve is greater than that of the second sleeve, and the length of the first movable rod is greater than that of the second movable rod.

The utility model has the beneficial effects that:

1. set up the heat dissipation buckle through the back at this motor casing to drive the rotation of heat dissipation flabellum through the output shaft, thereby can assist the heat dissipation to this motor, and can prevent effectively that the dust from entering into inside the motor casing, improve its radiating efficiency that prevents dust, and can clean the heat dissipation buckle in the radiating through the scraper blade of installation on the output shaft, avoid the bleeder vent on the heat dissipation buckle to block up, guarantee the ventilation efficiency of bleeder vent on the heat dissipation buckle.

2. Through set up dismouting mechanism between casing and heat dissipation buckle for the device only needs to rotate the scraper blade to the position that corresponds with heat dissipation buckle seal groove through the output shaft when overhauing, then rotates first lantern ring, makes the second movable rod on the first lantern ring break away from inside the second sleeve on the second lantern ring and can demolish the heat dissipation buckle from the casing, makes its dismouting more convenient, both conveniently carries out the inside maintenance operation to this motor.

To sum up, the device can effectually improve the dustproof radiating efficiency of series excited machine, protects its inside subassembly, prolongs its life to the convenient buckle of will dispelling the heat is dismantled and the installation operation from the casing, both conveniently carries out inside maintenance operation to this motor.

Drawings

Fig. 1 is a schematic structural diagram of a dustproof multifunctional variable speed dc series motor according to the present invention;

FIG. 2 is a schematic diagram of a back structure of a dustproof multifunctional variable speed DC series motor according to the present invention;

fig. 3 is a first view of an explosion structure of a dust-proof multifunctional variable speed dc series motor according to the present invention;

FIG. 4 is a second perspective view of an exploded structure of a multifunctional dustproof variable speed DC series motor according to the present invention;

fig. 5 is a schematic structural diagram of a connection between a first sleeve and a first movable rod of the dust-proof multifunctional variable speed dc series motor according to the present invention.

Reference numbers in the figures: 1. a housing; 2. an output shaft; 3. a heat radiation buckle plate; 4. a first collar; 5. a second collar; 6. a first sleeve; 7. a first movable bar; 8. a second sleeve; 9. a second movable bar; 10. a squeegee; 11. a sealing plate; 12. a rotor assembly; 13. a stator assembly; 14. mounting a rod; 15. a heat dissipation fan blade; 16. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a multi-functional variable speed direct current series excited machine of dust protected, including casing 1, stator module 13 is installed to the circumference inner wall of casing 1, and the one end of casing 1 is the setting of opening form, casing 1 is close to the position department of open end and installs heat dissipation buckle 3, evenly distributed has the bleeder vent on the heat dissipation buckle 3, and casing 1 keeps away from one side of open end and rotates and install output shaft 2 that runs through its lateral wall, install rotor subassembly 12 on the output shaft 2, and the tip of output shaft 2 runs through heat dissipation buckle 3, and extend to casing 1's outside fixedly connected with two scraper blades 10 that are the symmetric distribution, scraper blade 10 hugs closely heat dissipation buckle 3 and slides, fixed mounting has the heat dissipation flabellum 15 that is the annular array and distributes on output shaft 2's the axis body, and heat dissipation flabellum 15 is located casing 1 inside.

The device is when using, prevent dust heat dissipation protection through heat dissipation buckle 3 to this motor, and when output shaft 2 rotated, can drive heat dissipation flabellum 15 and rotate, discharge casing 1 inside heat through the heat dissipation flabellum, improve its radiating efficiency, and output shaft 2 can drive scraper blade 10 and rotate, strike off through scraper blade 10 the dust of adhesion on to heat dissipation buckle 3, and blow it away through heat dissipation flabellum 15, prevent that the dust from entering into inside the casing 1, the dustproof efficiency of this motor has been improved.

Referring to fig. 2-4, the heat dissipating pinch plate 3 is provided with two sealing grooves which are symmetrically distributed, the sealing grooves penetrate through a plate body of the heat dissipating pinch plate 3, two mounting rods 14 which are symmetrically distributed are fixedly connected to the inner wall of the circumference of the shell 1 close to the opening end, the mounting rods 14 face one end of the heat dissipating pinch plate 3 and are fixedly connected with a sealing plate 11, the sealing plate 11 is matched with the sealing grooves, the mounting rods 14 are arranged in an L shape, and the scraper 10 is matched with the sealing grooves.

Referring to fig. 1, fig. 3 and fig. 4, be provided with dismouting mechanism between casing 1 and the heat dissipation buckle 3, dismouting mechanism includes first lantern ring 4, the second lantern ring 5, second sleeve 8 and second movable rod 9, first lantern ring 4 rotates and cup joints in the circumference outer wall of casing 1, and second lantern ring 5 is fixed cup joints in the circumference outer wall of heat dissipation buckle 3, one side that first lantern ring 4 and second lantern ring 5 are close to each other is two fixedly connected with second sleeve 8 that are rotational symmetry and distribute and two second movable rod 9 that are rotational symmetry and distribute respectively, and the inside of second sleeve 8 is located to second movable rod 9 sliding sleeve.

When the motor needs to be overhauled, the heat dissipation buckle plate 3 needs to be dismantled, the scraper 10 is driven to be aligned with the sealing groove in the heat dissipation buckle plate 3 through the rotation of the output shaft 2, then the first sleeve ring 4 is rotated to drive the second movable rod 9 to move until the second movable rod 9 is separated from the inside of the second sleeve barrel 8, and then the heat dissipation buckle plate 3 can be dismantled from the shell 1.

Referring to fig. 4 and 5, the dismouting mechanism still includes first sleeve 6, first movable rod 7 and reset spring 16, two first movable rods 7 that are rotational symmetry distribution of one side fixedly connected with of the second lantern ring 5 are kept away from to first lantern ring 4, two first sleeve 6 that are rotational symmetry distribution of circumference outer wall fixedly connected with of casing 1, and the inside of first sleeve 6 is located to the one end sliding sleeve of first movable rod 7, and be connected with reset spring 16 between the inner wall of first sleeve 6, the length of first sleeve 6 is greater than the length of second sleeve 8, the length of first movable rod 7 is greater than the length of second movable rod 9.

After the maintenance operation is completed, when the heat dissipation buckle plate 3 and the shell 1 are installed, the reset spring 16 can reversely pull the first movable rod 7 at the moment, so that the first movable rod 7 drives the first sleeve ring 4 to reversely move, the first sleeve ring 4 can drive the second movable rod 9 to be inserted into the second sleeve barrel 8, the second movable rod 9 and the second sleeve barrel 8 can be stably inserted through the pulling force of the reset spring 16, and the stability of installation of the heat dissipation buckle plate 3 and the shell 1 is ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a multi-functional variable speed direct current series excited machine of dust protected, includes casing (1), its characterized in that, stator module (13) are installed to the circumference inner wall of casing (1), just the one end of casing (1) is the setting of opening form, casing (1) is close to the position department of open end and installs heat dissipation buckle (3), and evenly distributed has the bleeder vent on heat dissipation buckle (3), just one side that casing (1) kept away from the open end is rotated and is installed output shaft (2) that run through its lateral wall, install rotor subassembly (12) on output shaft (2), and the tip of output shaft (2) runs through heat dissipation buckle (3), and extend to the outside fixedly connected with two scraper blades (10) that are the symmetric distribution of casing (1), heat dissipation buckle (3) slip is hugged closely to scraper blade (10), fixed mounting has heat dissipation flabellum (15) that are the annular array and distribute on the axis body of output shaft (2), the heat dissipation fan blades (15) are positioned inside the shell (1);

and a dismounting mechanism is arranged between the shell (1) and the heat-radiating buckle plate (3).

2. The dustproof multifunctional variable speed direct current series excited machine of claim 1, wherein the heat dissipation buckle plate (3) is provided with two symmetrically distributed seal grooves, the seal grooves penetrate through a plate body of the heat dissipation buckle plate (3), two symmetrically distributed mounting rods (14) are fixedly connected to the inner circumferential wall of the shell (1) close to the opening end, a sealing plate (11) is fixedly connected to one end, facing the heat dissipation buckle plate (3), of each mounting rod (14), and the sealing plate (11) is matched with the seal grooves.

3. The dust-proof multifunctional variable speed DC series motor according to claim 2, wherein the mounting rod (14) is L-shaped, and the scraper (10) is matched with the sealing groove.

4. The dustproof multifunctional variable speed direct current series excited machine of claim 1, wherein the disassembling and assembling mechanism comprises a first sleeve ring (4), a second sleeve ring (5), a second sleeve (8) and a second movable rod (9), the first sleeve ring (4) is rotatably sleeved on the outer wall of the shell (1), the second sleeve ring (5) is fixedly sleeved on the outer wall of the heat dissipation buckle plate (3), two second sleeve rings (8) and two second movable rods (9) are respectively and fixedly connected to one side of the first sleeve ring (4) and the second sleeve ring (5) close to each other, the two second sleeve rings (8) and the two second movable rods (9) are rotationally symmetrically distributed, and the second movable rods (9) are slidably sleeved inside the second sleeve rings (8).

5. The dustproof multifunctional variable-speed direct-current series-wound motor according to claim 4, wherein the disassembling and assembling mechanism further comprises a first sleeve (6), a first movable rod (7) and a return spring (16), two first movable rods (7) which are rotationally symmetrically distributed are fixedly connected to one side of the first sleeve ring (4) away from the second sleeve ring (5), two first sleeves (6) which are rotationally symmetrically distributed are fixedly connected to the outer wall of the circumference of the housing (1), one end of each first movable rod (7) is slidably sleeved inside the first sleeve (6), and the return spring (16) is connected between the inner wall of the first sleeve (6).

6. The dust-proof multifunctional variable speed DC series motor according to claim 5, wherein the length of the first sleeve (6) is greater than the length of the second sleeve (8), and the length of the first movable rod (7) is greater than the length of the second movable rod (9).