CN212588224U

CN212588224U - Heat radiator for starter motor

Info

Publication number: CN212588224U
Application number: CN202021409587.9U
Authority: CN
Inventors: 王太平
Original assignee: Beijing Sanlaite Electromechanical Equipment Co Ltd
Current assignee: Beijing Sanlaite Electromechanical Equipment Co Ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-02-23
Anticipated expiration: 2030-07-16

Abstract

The application relates to a heat dissipation device of a starting motor, relates to the technical field of automobile parts, and aims to solve the technical problem that the starting motor is easy to generate high temperature; the cooling assembly comprises a plurality of cooling pipes, the cooling pipes are attached to the motor body, anti-freezing cooling liquid is filled in the cooling pipes, and cooling fins are arranged on the circumferential surface of each cooling pipe. This application has the effect of carrying out quick heat dissipation to starter motor.

Description

Heat radiator for starter motor

Technical Field

The application relates to the technical field of automobile parts, in particular to a heat dissipation device of a starting motor.

Background

The starting motor is also called a starter, and converts the electric energy of the storage battery into mechanical energy to drive the flywheel of the engine to rotate so as to realize the starting of the engine. A direct current starter, a gasoline starter, a compressed air starter, etc. The direct current starters are mostly adopted in internal combustion engines, and are characterized by compact structure, simple operation and convenient maintenance.

For some old vehicles, the condition that the engine is not easy to start is easy to occur due to the problems of carbon deposition of the engine and the like, at this time, part of drivers can try to ignite for multiple times or prolong the ignition time for processing, the starting motor works frequently for a long time, the internal temperature is easy to rise, and then the motor is easy to burn.

SUMMERY OF THE UTILITY MODEL

To the not enough that prior art exists, the purpose of this application is to provide a starter motor's heat abstractor, and it has carries out quick radiating effect to starter motor.

The application provides a starting motor's heat abstractor adopts following technical scheme:

the utility model provides a starter motor's heat abstractor, sets up on starter motor, and starter motor includes the motor body, including setting up the cooling module on the motor body, cooling module includes a plurality of cooling tubes, and the cooling tube pastes with the motor body each other and leans on to the cooling tube intussuseption is filled with the coolant liquid that prevents frostbite, the global fin that is provided with of cooling tube.

Through adopting above-mentioned technical scheme, when the starter motor because the user frequently strikes sparks, when leading to the temperature to rise, the heat that the starter motor distributed out is absorbed and dispels the heat through the fin to the frostproofing coolant liquid in the cooling tube to reduce starter motor's temperature, protected starter motor, reduced because starter motor frequently works, and lead to the inside high temperature of starter motor, and then the condition of damage starter motor.

Preferably, the cooling pipe has a rectangular cross section and a side of the cooling pipe facing the motor body is provided with heat dissipating silicone grease.

Through adopting above-mentioned technical scheme, the cooling tube cross-section is the setting of rectangle, has improved the laminating area of the outer peripheral face of cooling tube and motor body, and then has increased the heat exchange efficiency between motor body and the cooling tube, and the setting of heat dissipation silicone grease has further improved the heat exchange efficiency between motor body and the cooling tube, has improved the stability of cooling unit work.

Preferably, the cooling fin comprises a first fin and a second fin which are hinged to each other, and a fixing component for fixing the first fin and the second fin is arranged on the first fin and the second fin.

Through adopting above-mentioned technical scheme, first fin and second fin can rotate around the articulated shaft and embrace on the cooling tube to with the mutual heat transfer of cooling tube, with the heat of the interior frostproofing coolant liquid of cooling tube sparse to the external world, thereby improved the heat dispersion to the motor body.

Preferably, wear to be equipped with an articulated shaft on first fin and the second fin simultaneously, fixed subassembly is including the cover establish be used for ordering about the compression spring that first fin and second fin are close to each other on the articulated shaft, and the latch of rigid coupling in the one side of first fin towards the second fin is seted up on the corresponding second fin with latch a plurality of card holes of mutually supporting, the card hole is around the circumference evenly distributed of articulated shaft.

Through adopting above-mentioned technical scheme, when first fin and second fin rotate each other, the screens each other in the card hole of latch and different positions to restrict the relative rotation angle of first fin and second fin, and make first fin and second fin can encircle on the outer peripheral face of cooling tube. The arrangement of the fixing component improves the stability of the fixing of the radiating fins and the cooling pipe. The situation that the cooling fins are separated from the cooling pipe due to vibration when the starting motor and the engine work is reduced.

Preferably, a chamfer is formed in one side of the clamping tooth, and when the first fin and the second fin are mutually embraced and folded, the inclined plane of the chamfer is mutually abutted against the edge of the clamping hole.

Through adopting above-mentioned technical scheme, when first fin and second fin rotate in opposite directions and are close to and embrace on the cooling tube, the one side that the chamfer was seted up to the latch contradicts each other with the border in card hole to through the guide effect on chamfer surface, the latch can slide in proper order in the card hole of difference, and make that first fin and second fin encircle each other more inseparable. After the cooling tube is encircled and fixed by the first fin and the second fin, one side of the clamping tooth departing from the chamfer and the inner wall of the clamping hole are clamped mutually, so that the mutual separation of the first fin and the second fin is limited. The chamfer angle improves the convenience of installing the cooling fin on the cooling pipe by workers.

Preferably, the cooling pipes are arc-shaped and are coaxially arranged, the end parts of the cooling pipes located on the same side are communicated with a communicating pipe (22), and the circumferential surface of the communicating pipe (22) is communicated with a water inlet nozzle.

Through adopting above-mentioned technical scheme, the setting of water inlet tap and communicating pipe for the staff can fill the antifreeze coolant liquid in to a plurality of cooling tubes simultaneously through the water inlet tap, thereby has improved the convenience of maintaining.

Preferably, the first fin and the second fin are arc-shaped, and the inner circumferential surfaces of the first fin and the second fin are respectively provided with a contact plate.

Through adopting above-mentioned technical scheme, when first fin and second fin encircle each other at the cooling tube periphery face, the outer peripheral face that pastes backup plate and cooling tube pastes each other and leans on to improved fin and the fixed stability of cooling tube on the one hand, on the other hand, improved and the cooling tube between area of contact, and then improved the radiating efficiency.

Preferably, the side wall of the cooling pipe is further provided with a fixing plate, and a fastening bolt is threaded on the fixing plate.

Through adopting above-mentioned technical scheme, fastening bolt's tip top touches the surface at the motor body to thereby fix the cooling unit on the surface of motor body through the pressure of fastening bolt when revolving soon with the fixed plate screw thread, improved the fixed stability of cooling tube and motor body.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the working safety of the starting motor is improved, and when the temperature of the starting motor rises, the cooling assembly can absorb the heat of the starting motor and emit the heat to the outside through the radiating fins, so that the starting motor is protected, and the overheating condition of the starting motor is reduced;

2. the convenience of workers for installing the heat dissipation device on the surface of the starting motor is improved, the workers can sleeve the cooling assembly on the surface of the motor body and surround the cooling fins outside the cooling assembly, so that the heat dissipation device is installed, and the installation and maintenance of the workers are facilitated.

Drawings

Fig. 1 is a schematic view of the overall structure of a heat dissipation device of a starting motor;

FIG. 2 is a schematic view showing the mounting relationship of the cooling module to the motor body;

FIG. 3 is an enlarged view of detail A of FIG. 2; the fixing plate and the water inlet nozzle are integrated;

FIG. 4 is a schematic view of the overall structure of the heat sink;

FIG. 5 is a schematic detail view embodying a first fin and a second fin;

fig. 6 is an enlarged view of detail B of fig. 5, and shows the latch and latch aperture.

In the figure, 1, a motor body; 11. a controller; 12. a one-way clutch; 2. a cooling assembly; 21. a cooling tube; 22. a communicating pipe; 23. a water inlet nozzle; 24. an end cap; 25. a fixing plate; 26. fastening a bolt; 3. a heat sink; 31. a first fin; 32. a second fin; 33. a limiting plate; 4. a fixing assembly; 41. a compression spring; 42. clamping teeth; 43. a clamping hole; 5. and (6) sticking a backing plate.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1, a starting motor heat dissipation device disclosed in the present application is disposed on a starting motor, and the starting motor includes a motor body 1, a controller 11 for controlling the starting and stopping of the motor body 1, and a one-way clutch 12 for driving an engine to rotate. The heat sink is disposed on the motor body 1 and includes a cooling block 2 and a heat sink 3 disposed on the cooling block 2.

As shown in fig. 2 and 3, the cooling module 2 includes a cooling pipe 21 disposed along the length direction of the motor body 1, the cooling pipe 21 has a circular arc shape and an arc center angle of the circular arc is greater than 180 degrees, an opening of the cooling pipe 21 is disposed upward for avoiding the controller 11, and the cooling pipe 21 has a rectangular cross section, thereby increasing a contact area between the cooling pipe 21 and the outer circumferential surface of the motor body 1. The inner peripheral surface of the cooling pipe 21 and the outer peripheral surface of the motor body 1 are in contact with each other and heat-dissipating silicone grease is applied between the inner peripheral surface of the cooling pipe 21 and the motor body 1. The cooling pipe 21 is provided in plural and the plural cooling pipes 21 are arranged coaxially. The end parts of the cooling pipes 21 on the same side are communicated with a communicating pipe 22, one side of the communicating pipe 22 departing from the cooling pipes 21 is provided with a water inlet nozzle 23, and an end cap 24 is covered by a thread on the water inlet nozzle 23. The plurality of cooling pipes 21 are filled with antifreeze coolant from a water inlet nozzle 23. The side wall of the cooling tube 21 at the end is fixedly connected with a fixing plate 25, and two sides of the fixing plate 25 at the motor body 1 are respectively provided with one fixing plate. A fastening bolt 26 is threaded through the fixing plate 25, and the end of the fastening bolt 26 abuts against the surface of the motor body 1, so that the cooling module 2 is fixed on the surface of the motor body 1 by the pressure generated when the fastening bolt 26 is screwed with the fixing plate 25.

When the starter motor causes temperature rise due to frequent sparking of a user, the anti-freezing cooling liquid in the cooling pipe 21 absorbs heat emitted by the starter motor and dissipates the heat through the radiating fins 3, so that the temperature of the starter motor is reduced, the starter motor is protected, and the situation that the temperature in the starter motor is too high due to frequent working of the starter motor, and the starter motor is damaged is reduced. The cross-section of the cooling pipe 21 is rectangular, so that the attaching area of the outer peripheral surface of the cooling pipe 21 and the outer peripheral surface of the motor body 1 is increased, the heat exchange efficiency between the motor body 1 and the cooling pipe 21 is increased, the heat dissipation silicone grease is arranged, the heat exchange efficiency between the motor body 1 and the cooling pipe 21 is further improved, and the working stability of the cooling assembly 2 is improved. The arrangement of the communicating pipe 22 and the end cap 24 facilitates the addition of the anti-freezing cooling liquid into the cooling pipe 21 by the worker, thereby improving the convenience of the use of the cooling pipe 21.

As shown in fig. 4, the heat sink 3 includes a first fin 31 and a second fin 32 hinged to each other at end portions, the first fin 31 and the second fin 32 are each arc-shaped, and the axis of the first fin 31 and the axis of the second fin 32 coincide with the axis of the cooling tube 21. One end of the first fin 31 and one end of the second fin 32 are overlapped with each other and vertically penetrated by a hinge shaft, and both ends of the hinge shaft are respectively and fixedly connected with a limiting plate 33. The first fin 31 and the second fin 32 can rotate around the hinge shaft and embrace the cooling tube 21 so as to exchange heat with the cooling tube 21, and the heat of the antifreeze coolant in the cooling tube 21 is evacuated to the outside, so that the heat dissipation performance of the motor body 1 is improved.

As shown in fig. 5 and 6, a fixing component 4 for fixing the first fin 31 and the second fin 32 to each other is arranged between the first fin 31 and the second fin 32, the fixing component 4 includes a compression spring 41 sleeved on the hinge shaft, the compression spring 41 is located on one side of the second fin 32 departing from the first fin 31 and is abutted against a corresponding limiting plate 33, and the first fin 31 and the second fin 32 are abutted against each other by the elastic acting force of the compression spring 41. One surface of the first fin 31 facing the second fin 32 is fixedly connected with a latch 42, a latch hole 43 for accommodating the latch 42 to be clamped is formed in the second fin 32, the latch hole 43 is provided with a plurality of latch holes 43, and the latch holes 43 are distributed on the surface of the second fin 32 around the axis of the hinge shaft. When the first fin 31 and the second fin 32 rotate relative to each other, the latch 42 and the latch hole 43 at different positions are latched with each other, so that the relative rotation angle of the first fin 31 and the second fin 32 is limited, and the first fin 31 and the second fin 32 can be held around the outer circumferential surface of the cooling tube 21. The arrangement of the fixing member 4 improves the stability of fixing the heat sink 3 to the cooling pipe 21. The situation that the cooling fins 3 are easily separated from the cooling pipe 21 due to the vibrations when the starter motor and the engine are operated is reduced.

A chamfer is formed in the latch 42, when the first fin 31 and the second fin 32 rotate oppositely to be close to and embrace the cooling tube 21, one side of the latch 42 with the chamfer is abutted to the edge of the clamping hole 43, so that the latch 42 can slide in different clamping holes 43 in sequence under the guiding action of the chamfer surface, and the first fin 31 and the second fin 32 are surrounded more tightly. After the first fin 31 and the second fin 32 fix the cooling tube 21 in an encircling manner, the surface of the latch 42 facing away from the chamfer and the inner wall of the latch hole 43 are locked with each other, so that the first fin 31 and the second fin 32 are limited from being separated from each other. The provision of the chamfer improves the convenience of the worker for mounting the fin 3 on the cooling tube 21.

As shown in fig. 4, an abutting plate 5 is fixedly connected to an inner peripheral surface of the first fin 31, an abutting plate 5 is fixedly connected to an inner peripheral surface of the second fin 32, and when the first fin 31 and the second fin 32 are encircled around an outer peripheral surface of the cooling tube 21, the abutting plate 5 abuts against the outer peripheral surface of the cooling tube 21, so that on one hand, stability of fixing the heat sink 3 and the cooling tube 21 is improved, and on the other hand, a contact area between the heat sink 3 and the cooling tube 21 is increased, and further, heat dissipation efficiency is improved.

The present embodiment is implemented in such a manner that when the starter motor is frequently operated or operated for a long time to generate a large amount of heat, a large amount of antifreeze coolant in the cooling pipe 21 is absorbed and volatilized to the outside through the heat radiating fins 3, thereby reducing the temperature of the starter motor and protecting the starter motor.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a heat abstractor of starter motor, sets up on starter motor, and starter motor includes motor body (1), its characterized in that: including setting up cooling module (2) on motor body (1), cooling module (2) include a plurality of cooling tubes (21), and cooling tube (21) are leaned on each other with motor body (1) to cooling tube (21) intussuseption is filled with frostproofing coolant liquid, cooling tube (21) global is provided with fin (3).

2. The heat dissipating device for a starter motor as set forth in claim 1, wherein: the section of the cooling pipe (21) is rectangular, and heat dissipation silicone grease is arranged on one side, facing the motor body (1), of the cooling pipe (21).

3. The heat dissipating device for a starter motor as set forth in claim 1, wherein: the radiating fin (3) comprises a first fin (31) and a second fin (32) which are hinged to each other, and a fixing component (4) for fixing the first fin (31) and the second fin (32) is arranged on the first fin (31) and the second fin (32).

4. A heat dissipating device for a starter motor as set forth in claim 3, wherein: wear to be equipped with an articulated shaft simultaneously on first fin (31) and second fin (32), fixed subassembly (4) are used for ordering about compression spring (41) that first fin (31) and second fin (32) are close to each other including the cover establishing on the articulated shaft, latch (42) of rigid coupling in first fin (31) one side towards second fin (32) are seted up on corresponding second fin (32) and are mutually supported a plurality of calorie holes (43) with latch (42), the circumference evenly distributed of articulated shaft is wound in calorie hole (43).

5. The heat dissipating device for a starter motor as set forth in claim 4, wherein: a chamfer is formed in one side of the clamping tooth (42), and when the first fin (31) and the second fin (32) are mutually embraced and folded, the inclined surface of the chamfer is mutually abutted against the edge of the clamping hole (43).

6. A heat dissipating device for a starter motor as set forth in claim 3, wherein: the cooling pipe (21) is arc-shaped, the cooling pipes (21) are coaxially arranged, the end parts of the cooling pipes (21) located on the same side are communicated with a communicating pipe (22) together, and the peripheral surface of the communicating pipe (22) is communicated with a water inlet nozzle (23).

7. The heat dissipating device for a starter motor as set forth in claim 6, wherein: the first fin (31) and the second fin (32) are arc-shaped, and the inner peripheral surfaces of the first fin (31) and the second fin (32) are respectively provided with a contact plate (5).

8. The heat dissipating device for a starter motor as set forth in claim 6, wherein: the side wall of the cooling pipe (21) is also provided with a fixing plate (25), and a fastening bolt (26) is arranged on the fixing plate (25) in a threaded penetrating mode.