CN218788708U

CN218788708U - Direct current motor with good heat dissipation performance

Info

Publication number: CN218788708U
Application number: CN202223135350.8U
Authority: CN
Inventors: 王虎; 王元君; 代军
Original assignee: Wuhu Shuangchen Electronic Technology Co ltd
Current assignee: Wuhu Shuangchen Electronic Technology Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-04-04
Anticipated expiration: 2032-11-24

Abstract

The utility model relates to the technical field of motors, specifically be a direct current motor that heat dispersion is good, the on-line screen storage device comprises a base, motor housing is installed at the top of base, the fixing base is installed to one side of motor housing, a side horizontal installation of fixing base has motor body, motor body's rotation end interference fit has the flabellum. Under the mating reaction of filter screen and inserted block, install the filter screen on the fixing base through the cross mounting bracket, cross mounting bracket card goes into one side of fixing base this moment, insert two inserted blocks respectively in the slot that corresponds again, make two inserted blocks fixed to the cross mounting bracket, the installation and the dismantlement of the filter screen of being convenient for, motor body during operation can drive the flabellum and rotate, and because motor body is located motor housing, filter through the filter screen during entering air and make the dust can't get into motor housing, prevent dust to motor housing's inside, cooperate the fin to motor housing's inside heat dissipation simultaneously.

Description

Direct current motor with good heat dissipation performance

Technical Field

The utility model relates to the technical field of motors, specifically be a direct current motor that heat dispersion is good.

Background

The working principle of the direct current motor is that alternating electromotive force induced in an armature coil is changed into direct current electromotive force when being led out from an electric brush end by matching the reversing action of the electric brush by a commutator, and the direct current motor is usually required to be matched with a base at the bottom for installation;

the utility model discloses a DC motor that heat dispersion is good among the prior art (publication number: CN 209313629U), including the casing, the inside one side of casing has seted up the heat dissipation cavity, casing internally mounted has the DC motor, DC motor externally mounted has the ring pipe, casing one side has cup jointed the sliding ring through the drive shaft, drive shaft internally mounted has the stopper, two the spacing groove has been seted up between the stopper, the utility model discloses structure scientific and reasonable, convenience safe in utilization is provided with heat dissipation cavity and ring pipe, is showing the heat dissipation performance that has improved the DC motor, avoids the inside high temperature of DC motor, leads to the DC motor to break down, is provided with the sliding ring, has reduced the vibrations that the drive shaft produced when using, has effectively eliminated the noise that the DC motor produced when using, is provided with stopper and spacing groove, has improved the compactness of being connected between drive shaft and the part of treating, avoids the drive shaft to take place not hard up when using, influences the use of device, however the device is when using, drives the flabellum through the drive shaft of DC motor and to the inside heat dissipation of motor, in the heat dissipation, and in the flabellum need inhale the air through the outside, the dust in this moment, not only influences the use of motor, thereby not only reduces the motor, the life of motor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a direct current motor that heat dispersion is good to solve the problem that proposes in 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 that heat dispersion is good, includes the base, motor housing is installed at the top of base, the fixing base is installed to one side of motor housing, a side horizontal installation of fixing base has motor body, motor body's rotation end interference fit has the flabellum, motor body is located motor housing, one side joint of fixing base has the cross mounting bracket, the internally mounted of fixing base has the filter screen, a side and the filter screen of cross mounting bracket are connected, it has two inserts to peg graft with the side that the filter screen corresponds, two a side and the side that the cross mounting bracket corresponds of insert touch, motor housing installs the fin on, two protective frame, two are installed at the top of base the equal slidable mounting in protective frame has the slider, two the equal horizontal mounting in a side of slider has the connecting rod, two the piece is all installed to the one end of connecting rod, two the spring is all installed to a side that the piece kept away from each other, the connecting rod is located the spring, two a side that the piece corresponds touches with motor housing's both sides respectively, two a side that the protective frame corresponds all slidable mounting has the ejector pad.

Preferably, the base is in threaded connection with four fixing bolts, and the four fixing bolts are uniformly distributed at four corners of the base.

Preferably, two slots are formed in one side of the fixing seat, and the two insertion blocks are respectively inserted into the corresponding slots.

Preferably, three mounting grooves are formed in the motor shell, and the three radiating fins are respectively mounted in the corresponding mounting grooves.

Preferably, an air cavity is formed in the protective frame, and the sliding block and the pushing block are both slidably mounted in the air cavity.

Preferably, an air outlet is formed in one side face of the motor shell.

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

in the utility model, under the cooperation of the filter screen and the insertion blocks, the filter screen is installed on the fixed seat through the cross mounting frame, at the moment, the cross mounting frame is clamped into one side of the fixed seat, and then the two insertion blocks are respectively inserted into the corresponding slots, so that the two insertion blocks are fixed on the cross mounting frame, thereby facilitating the installation and the disassembly of the filter screen, the motor body can drive the fan blade to rotate during the operation, and because the motor body is positioned in the motor shell, dust can not enter the motor shell through the filter screen during the air entering process, the interior of the motor shell is prevented dust, and meanwhile, the radiating fins are matched for radiating the interior of the motor shell;

the utility model discloses in, under the mating reaction of slider and ejector pad, at motor body during operation, produce the vibration, promote to both sides and support the piece, two pieces this moment support the connecting rod that the piece drove the correspondence and remove to being close to protection frame one side to the extrusion spring promotes the inside air of slider extrusion protection frame to the inboard, makes the air promote the ejector pad and removes to one side that is close to motor housing, and is spacing to motor housing, can cushion motor body this moment, increases the practicality of this device.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of an explosion structure at the junction between the motor housing and the fixing base of the present invention;

fig. 3 is a left side view structural diagram of the junction between the motor housing and the fixing base in the present invention;

fig. 4 is a schematic view of the internal structure of the protection frame of the present invention.

In the figure: 1. a base; 101. a fixing bolt; 2. a motor housing; 3. a fixed seat; 4. a motor body; 5. a fan blade; 6. a cross mounting bracket; 7. a filter screen; 8. inserting a block; 9. a heat sink; 10. a protective frame; 11. a slider; 12. a connecting rod; 13. a spring; 14. a resisting block; 15. and (7) pushing the block.

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 the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a direct current motor that heat dispersion is good, includes base 1, motor housing 2 is installed at base 1's top, fixing base 3 is installed to one side of motor housing 2, motor body 4 is installed to a side level of fixing base 3, motor body 4's rotation end interference fit has flabellum 5, motor body 4 is located motor housing 2, one side joint of fixing base 3 has cross mounting bracket 6, the internally mounted of fixing base 3 has filter screen 7, a side and the filter screen 7 of cross mounting bracket 6 are connected, fixing base 3 pegs graft with a side that filter screen 7 corresponds has two inserts 8, two a side and a side that cross mounting bracket 6 corresponds of insert 8 touch, motor housing 2 is last to install fin 9, two protective frame 10, two are installed at base 1's top protective frame 10's inside all slidable mounting has slider 11, slider 11's a side all horizontally mounted has connecting rod 12, two the one end of connecting rod 12 is all installed and is supported piece 14, two support a side that piece 14 kept away from each other and all install spring 13, connecting rod 12 is located spring 13, a side that protective frame 14 corresponds two protective frame 15 with a side that the shell corresponds respectively and a side that slide mounting has the motor housing 15.

In this embodiment, as shown in fig. 1, four fixing bolts 101 are connected to the base 1 through threads, the four fixing bolts 101 are uniformly distributed at four corners of the base 1, and when the motor body 4 is installed, the base 1 is installed through the four fixing bolts 101, so that the motor body 4 is conveniently fixed.

In this embodiment, as shown in fig. 2, two slots are formed in one side of the fixing base 3, and the two insertion blocks 8 are respectively inserted into the corresponding slots.

In this embodiment, as shown in fig. 1 and fig. 2, three mounting grooves are formed in the motor housing 2, and the three cooling fins 9 are respectively mounted in the corresponding mounting grooves.

In this embodiment, as shown in fig. 4, an air cavity is formed in the protection frame 10, the slider 11 and the pushing block 15 are both slidably mounted in the air cavity, and when the slider 11 is pushed inward, air in the air cavity of the protection frame 10 can be squeezed, so that the pushing block 15 is pushed by the air to move toward a side close to the motor housing 2.

In this embodiment, as shown in fig. 1, an air outlet is formed in one side surface of the motor housing 2.

The utility model discloses a use method and advantage: when the direct current motor with good heat dissipation performance is used, the working process is as follows:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, when the device is used, firstly, an external power supply is applied to the electric equipment in the device, the filter screen 7 is installed on the fixed seat 3 through the cross-shaped mounting frame 6, at this time, the cross-shaped mounting frame 6 is clamped into one side of the fixed seat 3, then the two insert blocks 8 are respectively inserted into the corresponding slots, so that the two insert blocks 8 fix the cross-shaped mounting frame 6, at this time, the motor body 4 is started to drive the fan blades 5 to rotate, and because the motor body 4 is positioned in the motor housing 2, when air enters, dust is filtered through the filter screen 7 and can not enter the motor housing 2, cooperate fin 9 to motor housing 2's inside heat dissipation simultaneously, increase the radiating effect, and when motor body 4 during operation, produce the vibration, promote to both sides and support piece 14, two this moment support piece 14 drive corresponding connecting rod 12 and remove to being close to protection frame 10 one side, and extrusion spring 13, promote slider 11 extrusion protection frame 10 inside air to the inboard this moment, make air promotion ejector pad 15 remove to one side that is close to motor housing 2, it is spacing to motor housing 2, can cushion motor body 4 this moment, increase the practicality of this device.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a direct current motor that heat dispersion is good, includes base (1), its characterized in that: the motor comprises a base (1), a motor shell (2) is installed at the top of the base (1), a fixing seat (3) is installed on one side of the motor shell (2), a motor body (4) is horizontally installed on one side face of the fixing seat (3), fan blades (5) are arranged at the rotating end of the motor body (4) in an interference fit mode, the motor body (4) is located in the motor shell (2), a cross mounting frame (6) is clamped on one side face of the fixing seat (3), a filter screen (7) is installed inside the fixing seat (3), one side face of the cross mounting frame (6) is connected with the filter screen (7), two inserting blocks (8) are inserted into one side face of the fixing seat (3) corresponding to the filter screen (7), one side face of each inserting block (8) is in contact with one side face corresponding to the cross mounting frame (6), cooling fins (9) are installed on the motor shell (2), two protective frames (10) are installed at the top of the base (1), sliding blocks (11) are installed inside the two protective frames (10), a connecting rod (11) is horizontally installed on one side face of each other, a connecting rod (12) is horizontally installed on one side face of each other, and two supporting blocks (14) are installed on one side face of each other, the connecting rod (12) is located in the spring (13), one corresponding side face of the two abutting blocks (14) is respectively contacted with two sides of the motor shell (2), and one corresponding side face of the two protective frames (10) is provided with the push block (15) in a sliding mode.

2. The direct current motor with good heat dissipation performance according to claim 1, wherein: the base (1) is connected with four fixing bolts (101) in a threaded mode, and the four fixing bolts (101) are evenly distributed at four corners of the base (1).

3. The direct current motor with good heat dissipation performance according to claim 1, wherein: two slots are formed in one side of the fixed seat (3), and the two insertion blocks (8) are respectively inserted into the corresponding slots.

4. The direct current motor with good heat dissipation performance according to claim 1, wherein: three mounting grooves are formed in the motor shell (2), and the three radiating fins (9) are respectively mounted in the corresponding mounting grooves.

5. The direct current motor with good heat dissipation performance according to claim 1, wherein: an air cavity is formed in the protective frame (10), and the sliding block (11) and the pushing block (15) are installed in the air cavity in a sliding mode.

6. The direct current motor with good heat dissipation performance according to claim 1, wherein: an air outlet is formed in one side face of the motor shell (2).