CN210444090U

CN210444090U - Direct current motor with shield is dismantled in convenient to installation

Info

Publication number: CN210444090U
Application number: CN201921182525.6U
Authority: CN
Inventors: 陶加山; 陶金; 姚宏昌; 张�荣
Original assignee: Jiangsu Jinfeng Electrical Co ltd
Current assignee: Jiangsu Jinfeng Electrical Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-05-01
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a direct current motor with a conveniently-mounted and disassembled protective cover, which belongs to the technical field of motors and comprises a shell, wherein the right end of the shell is connected with an end cover, the bottom of the shell is connected with a base, the outer wall of the shell is movably connected with the protective cover, the front side and the rear side of the protective cover are both provided with fixing devices, both sides of the top of the protective cover are provided with mounting grooves, the top of the mounting grooves are movably connected with a heat dissipation box, the middle end of the top of the inner wall of the heat dissipation box is provided with a motor, the power end of the bottom of the motor is connected with fan blades, both sides of the inner wall of the heat dissipation box are provided with connecting blocks, two groups of opposite sides of the connecting blocks are connected with heat conduction plates, when the protective cover is mounted, a, make the fixed block insert in the fixed slot to fix the guard shield, solved the problem that present guard shield is not convenient for install and dismantle.

Description

Direct current motor with shield is dismantled in convenient to installation

Technical Field

The utility model relates to the technical field of electric machines, specifically be a direct current motor with guard shield is dismantled in convenient to installation.

Background

A dc motor is a motor that converts dc electrical energy into mechanical energy. The speed-regulating device is widely applied to electric traction due to good speed-regulating performance. The direct current motor is divided into 3 types of permanent magnet, separately excited and self excited according to an excitation mode, wherein the self excited is divided into 3 types of shunt excitation, series excitation and compound excitation, most of the external parts of the existing direct current motor are not provided with a protective cover, so that the direct current motor is easily damaged by rain and snow, the direct current motor with the protective cover is troublesome to mount and dismount and inconvenient to use, and therefore the direct current motor with the protective cover convenient to mount and dismount is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a direct current motor with be convenient for the installation dismantle guard shield to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a direct current motor with convenient to installation dismantles guard shield, includes the casing, the right-hand member of casing is connected with the end cover, the bottom of casing is connected with the base, swing joint has the guard shield on the outer wall of casing, both sides all are provided with fixing device around the guard shield, the top both sides of guard shield all are provided with the mounting groove, the top of mounting groove all with heat dissipation case swing joint, the motor is installed to the inner wall top middle-end of heat dissipation case, motor bottom power end is connected with the flabellum, the inner wall both sides of heat dissipation case all are provided with the connecting block, and are two sets of the opposite side of connecting block is connected with the heat-conducting plate, the bottom swing joint of heat-conducting plate is at the top of guard shield, the even vertical.

Preferably, fixing device is including connecting the limiting plate on the guard shield outer wall, the inside of limiting plate transversely runs through there is the dead lever, the one end that the guard shield was kept away from to the dead lever is connected with the handle, the one end that the handle was kept away from to the dead lever runs through logical groove, the one end that the limiting plate was kept away from to the dead lever is connected with the fixed block, fixed block swing joint is on the outer wall of casing, and be provided with on the outer wall of casing with fixed block assorted fixed slot, fixed slot and logical groove intercommunication, one side that the handle was kept away from to the limiting plate is connected with the cover and establishes the answer spring on the outer wall.

Preferably, the mounting groove includes the cell body, the inner wall both sides of cell body all articulate there is the connecting rod, one side swing joint that the cell body was kept away from to the connecting rod is on the bottom outer wall of heat dissipation case, the inner wall both sides of cell body all transversely are provided with supporting spring, and supporting spring keeps away from the one end of cell body and connects on the outer wall of connecting rod.

Preferably, the heat conduction column comprises a column body, connecting plates are arranged on two sides of the column body, and two groups of through holes with the same structure are vertically arranged on the outer wall of each connecting plate.

Preferably, the heat dissipation holes are arranged obliquely downwards, and the inclination directions of the heat dissipation holes are inclined towards two sides of the heat dissipation box.

Preferably, the longitudinal section area of the fixing block is smaller than that of the through groove, and the outer wall of the handle is connected with an anti-slip pad.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the protective cover is arranged, so that the shell is protected, the shell is prevented from being damaged by rain and snow, when the protective cover is installed, the handle is pulled, the fixing rod drives the fixing block to move towards the through groove, the return spring is compressed at the moment, the handle is loosened after the fixing block corresponds to the fixing groove, and the fixing block is inserted into the fixing groove through the elastic force of the return spring, so that the protective cover is fixed, and the problem that the conventional protective cover is inconvenient to install and disassemble is solved;

2. the heat conducting plate, the heat conducting columns, the motor, the fan blades and the heat dissipation holes are arranged, so that heat on the protective cover can be conveniently discharged, and the problem that the heat of the shell cannot be discharged due to the installation of the protective cover is avoided;

3. through being provided with connecting rod and supporting spring, be convenient for install and dismantle the heat dissipation case to be convenient for overhaul the inside motor and the flabellum of heat dissipation case.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the fixing device of the present invention;

FIG. 3 is a schematic view of the structure of the mounting groove of the present invention;

fig. 4 is a schematic side view of the heat-conducting post structure of the present invention.

In the figure: 1. a housing; 2. an end cap; 3. a shield; 4. a fixing device; 41. a limiting plate; 42. fixing the rod; 43. a handle; 44. a through groove; 45. a fixed block; 46. fixing grooves; 47. a return spring; 5. mounting grooves; 51. a trough body; 52. a connecting rod; 53. a support spring; 6. a heat dissipation box; 7. a motor; 8. a fan blade; 9. connecting blocks; 10. a heat conducting plate; 11. a heat-conducting column; 111. a cylinder; 112. a connecting plate; 113. a through hole; 12. and (4) heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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 work belong to the protection scope of the present invention.

The utility model provides a technical scheme: a direct current motor with a conveniently-mounted and dismounted protective cover refers to fig. 1, and comprises a shell 1, wherein the right end of the shell 1 is connected with an end cover 2, the bottom of the shell 1 is connected with a base, the outer wall of the shell 1 is movably connected with a protective cover 3, the protective cover 3 is made of copper-aluminum alloy, the shell 1 is conveniently protected, the shell 1 is prevented from being damaged by rain and snow, and fixing devices 4 are arranged on the front side and the rear side of the protective cover 3;

referring to fig. 1, both sides of the top of a shield 3 are provided with mounting grooves 5, the top of the mounting grooves 5 are movably connected with a heat dissipation box 6, a motor 7 is mounted at the middle end of the top of the inner wall of the heat dissipation box 6, the motor 7 is controlled by an external power switch, the power end of the bottom of the motor 7 is connected with a fan blade 8, the motor 7 drives the fan blade 8 to rotate, so as to facilitate heat dissipation of a heat conduction plate 10 and a heat conduction column 11, both sides of the inner wall of the heat dissipation box 6 are provided with connecting blocks 9, opposite sides of the two groups of connecting blocks 9 are connected with heat conduction plates 10, the bottom of the heat conduction plate 10 is movably connected to the top of the shield 3, the top of the heat conduction plate 10 is uniformly and vertically provided with heat conduction columns 11, the heat conduction plates 10 and the heat conduction columns 11 are both made of copper-aluminum alloy, so, the heat dissipation efficiency can be improved, and the heat dissipation holes 12 are uniformly formed in the left side and the right side of the heat dissipation box 6 and used for discharging heat.

Referring to fig. 2, the fixing device 4 includes a position-limiting plate 41 connected to the outer wall of the shield 3, a fixing rod 42 transversely penetrates through the position-limiting plate 41, a handle 43 is connected to one end of the fixing rod 42 away from the shield 3, a through groove 44 is penetrated through one end of the fixing rod 42 away from the handle 43, one end of the fixing rod 42 away from the position-limiting plate 41 is connected to a fixing block 45, the fixing block 45 is movably connected to the outer wall of the housing 1, a fixing groove 46 matched with the fixing block 45 is formed in the outer wall of the housing 1, the fixing groove 46 is communicated with the through groove 44, a return spring 47 sleeved on the outer wall of the fixing rod 42 is connected to one side of the position-limiting plate 41 away from the handle 43, one end of the return spring 47 away from the handle 43 is connected to the outer wall of the fixing block 45, when, after the fixing block 45 corresponds to the fixing groove 46, the handle 43 is loosened, the return spring 47 is extended by the elastic force of the return spring 47, so that the fixing block 45 is inserted into the fixing groove 46, the shield 3 is fixed, and the problem that the shield 3 is inconvenient to mount and dismount at present is solved;

referring to fig. 1 and 3, the mounting groove 5 includes a groove body 51, both sides of an inner wall of the groove body 51 are hinged with a connecting rod 52, one side of the connecting rod 52, which is away from the groove body 51, is movably connected to an outer wall of the bottom end of the heat dissipation box 6, both sides of the inner wall of the groove body 51 are transversely provided with supporting springs 53, and one ends of the supporting springs 53, which are away from the groove body 51, are connected to an outer wall of the connecting rod 52, the bottom ends of both sides of the heat dissipation box 6 are inserted into the mounting groove 5, the outer wall of the bottom end of the heat dissipation box 6 presses the connecting rod 52, so that the supporting springs 53 are compressed, and the connecting rod 52 abuts against;

referring to fig. 1 and 4, the heat conducting column 11 includes a column 111, two sides of the column 111 are both provided with a connecting plate 112, the connecting plates 112 are made of copper-aluminum alloy, so that the heat dissipation area is increased, and the heat dissipation efficiency is improved, two sets of through holes 113 with the same structure are vertically arranged on the outer wall of the connecting plate 112, and an air channel is formed between the connecting plates 112 on the adjacent columns 111 through the through holes 113, so that the heat dissipation efficiency is effectively improved by matching with the rotating fan blades;

referring to fig. 1, the heat dissipation holes 12 are disposed in a downward inclined manner, and the inclined direction of the heat dissipation holes 12 is inclined toward two sides of the heat dissipation box 6 to prevent dust from entering the heat dissipation box 6;

referring to fig. 2, the longitudinal sectional area of the fixing block 45 is smaller than the longitudinal sectional area of the through groove 44, so that the fixing block 45 can enter the through groove 44, and the outer wall of the handle 43 is connected with a non-slip mat, which is made of rubber material and can prevent a worker from sliding when holding the handle 43.

The working principle is as follows: when the heat-conducting shield is used, the handle 43 is pulled when the shield 3 is installed, the fixing rod 42 drives the fixing block 45 to move towards the through groove 44, the return spring 47 is compressed at the moment, after the fixing block 45 corresponds to the fixing groove 46, the handle 43 is loosened, the return spring 47 extends through the elastic force of the return spring 47, so that the fixing block 45 is inserted into the fixing groove 46, the shield 3 is fixed, the problem that the shield 3 is inconvenient to install and disassemble at present is solved, the shield 3 transfers the heat of the shell 1 to the heat-conducting plate 10, the heat-conducting plate 10 transfers part of the heat to the heat-conducting post 11, the motor 7 drives the fan blade 8 to rotate, the heat on the heat-conducting plate 10 and the heat-conducting post 11 can be discharged through the heat-radiating holes 12, the problem that the heat of the shell 1 cannot be discharged due to the installation of the shield 3 is avoided, when the motor 7 and, at this moment, the heat dissipation box 6 can be taken out, the motor 7 and the fan blades 8 are convenient to overhaul, and the use is convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a direct current motor with guard shield is dismantled in installation of being convenient for, includes casing (1), its characterized in that: the heat dissipation device is characterized in that the right end of the shell (1) is connected with an end cover (2), the bottom of the shell (1) is connected with a base, the outer wall of the shell (1) is movably connected with a shield (3), fixing devices (4) are arranged on the front side and the rear side of the shield (3), mounting grooves (5) are arranged on the two sides of the top of the shield (3), the top of each mounting groove (5) is movably connected with a heat dissipation box (6), a motor (7) is mounted at the middle end of the top of the inner wall of each heat dissipation box (6), the power end of the bottom of each motor (7) is connected with a fan blade (8), connecting blocks (9) are arranged on the two sides of the inner wall of each heat dissipation box (6), heat conduction plates (10) are connected on the opposite sides of the two groups of connecting blocks (9), the bottom of each heat conduction plate (10), the left side and the right side of the heat dissipation box (6) are uniformly provided with heat dissipation holes (12).

2. The direct current motor with the shield convenient to install and detach of claim 1, wherein: the fixing device (4) comprises a limiting plate (41) connected to the outer wall of the shield (3), a fixed rod (42) transversely penetrates through the inside of the limit plate (41), one end of the fixed rod (42) far away from the shield (3) is connected with a handle (43), one end of the fixed rod (42) far away from the handle (43) penetrates through the through groove (44), one end of the fixed rod (42) far away from the limit plate (41) is connected with a fixed block (45), the fixed block (45) is movably connected on the outer wall of the shell (1), and the outer wall of the shell (1) is provided with a fixing groove (46) matched with the fixing block (45), the fixing groove (46) is communicated with the through groove (44), one side of the limiting plate (41) far away from the handle (43) is connected with a return spring (47) sleeved on the outer wall of the fixing rod (42), one end of the return spring (47) far away from the handle (43) is connected to the outer wall of the fixed block (45).

3. The direct current motor with the shield convenient to install and detach of claim 1, wherein: mounting groove (5) include cell body (51), the inner wall both sides of cell body (51) all articulate there is connecting rod (52), one side swing joint that cell body (51) were kept away from in connecting rod (52) is on the bottom outer wall of heat dissipation case (6), the inner wall both sides of cell body (51) all transversely are provided with supporting spring (53), and supporting spring (53) keep away from the one end of cell body (51) and connect on the outer wall of connecting rod (52).

4. The direct current motor with the shield convenient to install and detach of claim 1, wherein: the heat conduction column (11) comprises a column body (111), connecting plates (112) are arranged on two sides of the column body (111), and two groups of through holes (113) with the same structure are vertically arranged on the outer wall of each connecting plate (112).

5. The direct current motor with the shield convenient to install and detach of claim 1, wherein: the heat dissipation holes (12) are arranged obliquely downwards, and the inclination directions of the heat dissipation holes (12) are inclined towards the two sides of the heat dissipation box (6).

6. The direct current motor with the shield convenient to install and dismantle of claim 2, characterized in that: the longitudinal section area of the fixing block (45) is smaller than that of the through groove (44), and the outer wall of the handle (43) is connected with an anti-skid pad.