CN212629067U

CN212629067U - Heat radiator for be used for electronic instrument and meter

Info

Publication number: CN212629067U
Application number: CN202021945822.4U
Authority: CN
Inventors: 张成瑞; 王晓吕; 刘为民; 柳莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-02-26
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a heat abstractor for electronic instrument, which comprises a housin, the heat transfer mouth has been seted up to the casing both sides, be equipped with the filter screen in the heat transfer mouth, the interior bottom surface of casing is fixed with solid fixed ring, gu fixed ring's inner wall is equipped with the teeth of a cogwheel, gu fixed ring's top slides and is equipped with the mount pad, the motor is installed at the top of mount pad, the output of motor is connected with the flabellum, be fixed with the connecting plate on the output shaft of motor, the one end of keeping away from the motor output shaft of connecting plate is connected with first drive gear to when the motor drives the flabellum and rotates, again intermittent type nature make second drive gear rotate, thereby make the mount pad slide along the track groove under second drive gear's effect, make its cooling surface region more wide range.

Description

Heat radiator for be used for electronic instrument and meter

Technical Field

The utility model relates to a heat abstractor technical field specifically is a heat abstractor for electronic instrument.

Background

With the rapid development of economy and science and technology in China since the innovation and development, the economy and science and technology in China have been greatly developed, especially the development of instruments and meters in China, because the larger the display screen of the instruments and meters is, the more powerful the functions are, the more power is consumed, the increase of consumed power means that the generated heat is increased, because the power input by electronic elements cannot be utilized by 100%, a part of the power input to the electronic elements must be converted into heat, if the heat cannot be rapidly dissipated to the outside of the instruments and meters, the temperature inside the instruments and meters will be increased, if the temperature of the electronic elements is in a higher temperature operation for a long time, the service life of the electronic elements will be reduced by times, and a special heat dissipation device needs to be installed.

However, the existing heat dissipation device can only dissipate heat of a local part of the device, can not dissipate heat of the device comprehensively, and the heat dissipation effect of the heat dissipation device is still to be improved, so that the heat dissipation device for the electronic instrument is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides a heat abstractor for electronic instrument has solved the above-mentioned problem that proposes.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a heat dissipation device for an electronic instrument comprises a shell, wherein heat exchange ports are formed in two sides of the shell, and a filter screen is arranged in each heat exchange port;

a fixing ring is fixed on the inner bottom surface of the shell, gear teeth are arranged on the inner wall of the fixing ring, and a mounting seat is arranged at the top of the fixing ring in a sliding manner;

the top of the mounting seat is provided with a motor, the output end of the motor is connected with fan blades, an output shaft of the motor is fixedly provided with a connecting plate, and one end of the connecting plate, which is far away from the output shaft of the motor, is connected with a first driving gear;

the top of mount pad is rotated and is equipped with the bull stick that runs through its setting, the top of bull stick is connected with the drive gear with first drive gear meshing, the bottom of bull stick is connected with the second drive gear with the tooth meshing transmission.

Preferably, the top of the fixing ring is provided with a track groove of an annular structure, and the bottom of the mounting seat is slidably arranged in the track groove.

Preferably, a bearing seat is installed at the top of the installation seat, and the rotating rod is rotatably arranged in the bearing seat.

Preferably, the first driving gear and the second driving gear are both in sector structures, an outer sector surface of the first driving gear is meshed with the transmission gear, and an outer sector surface of the second driving gear is meshed with the gear teeth.

Preferably, the top of the shell is provided with an opening, and the radiating fins are fixed between the inner walls of the opening.

(III) advantageous effects

The utility model provides a heat abstractor for electronic instrument. The method has the following beneficial effects: under each part does jointly, when the motor drives the flabellum and rotates, again can intermittent type nature make second drive gear rotate to make the mount pad slide along the track groove under second drive gear's effect, make its radiating surface region more extensive, the radiating effect is better, and overall stability is better.

Drawings

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

FIG. 2 is an enlarged schematic view of area A in FIG. 1;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic structural diagram of the present invention.

In the figure: 1. a housing; 2. a fixing ring; 21. a track groove; 3. a heat exchange port; 4. a filter screen; 5. a heat dissipating fin; 6. gear teeth; 7. a mounting seat; 8. a motor; 9. a fan blade; 10. a connecting plate; 11. a first drive gear; 12. a rotating rod; 13. a transmission gear; 14. a second drive gear; 15. and a bearing seat.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a heat dissipation device for an electronic instrument comprises a shell 1, wherein heat exchange ports 3 are formed in two sides of the shell 1, the heat exchange ports 3 play a role in heat dissipation, a filter screen 4 is arranged in each heat exchange port 3, and the filter screen 4 plays a role in dust prevention;

the inner bottom surface of the shell 1 is fixedly provided with a fixing ring 2, the fixing ring 2 is located in the middle of the bottom surface of the shell 1, the inner wall of the fixing ring 2 is provided with gear teeth 6, the gear teeth 6 are arranged along the circumferential direction of the inner wall of the fixing ring 2, the top of the fixing ring 2 is provided with an installation seat 7 in a sliding mode, the top of the fixing ring 2 is provided with a track groove 21 of an annular structure, and the bottom of the installation seat 7 is arranged in the track groove 21 in a sliding mode, so that the installation seat 7 can slide along the circumference of the;

a motor 8 is fixedly installed at the top of the installation base 7 through a bolt, the motor 8 is vertically arranged, the output end of the motor 8 is connected with a fan blade 9, an installation sleeve is fixed at the shaft end of the motor 8, the fan blade 9 is installed on the installation sleeve through a screw, a connecting plate 10 is fixed on the output shaft of the motor 8, the connecting plate 10 is fixedly sleeved on the output shaft of the motor 8, and one end, far away from the output shaft of the motor 8, of the connecting plate 10 is connected with a first driving gear 11;

the top of mount pad 7 rotates and is equipped with bull stick 12 that runs through its setting, the top of bull stick 12 is connected with the drive gear 13 with first drive gear 11 meshing, the bottom of bull stick 12 is connected with and meshes driven second drive gear 14 with teeth of a cogwheel 6.

In order to facilitate the rotation of the rotating rod 12, a bearing seat 15 is installed on the top of the installation seat 7, and the rotating rod 12 is rotatably arranged in the bearing seat 15.

In order to achieve intermittent transmission, the first driving gear 11 and the second driving gear 14 are both in sector structures, an outer sector surface of the first driving gear 11 is meshed with the transmission gear 13, and an outer sector surface of the second driving gear 14 is meshed with the gear teeth 6, so that transmission only occurs when sector surfaces of the first driving gear 11 and the second driving gear 14 are meshed with corresponding positions, the fan blades can stay at a certain position of the fixing ring 2 for a period of time, and a good heat dissipation effect of the fan blades is guaranteed.

In order to further increase the heat dissipation effect, the top of the shell 1 is provided with an opening, and a heat dissipation fin 5 is fixed between the inner walls of the opening;

thereby when the heat dissipation is used, motor 8 drives flabellum 9 and rotates and continuously dispel the heat, motor 8's output shaft drives connecting plate 10 and rotates simultaneously, connecting plate 10 drives on the early drive gear 13 of first drive gear 11 periodic action, thereby make bull stick 12 rotate, and then drive second drive gear 15 and rotate, thereby make second drive gear 15 and teeth of a cogwheel 6 interact, make it advance, and then make mount pad 7 can encircle the rotation along track groove 21 periodicity, thereby when the motor drives the flabellum and rotates, again intermittent type nature make second drive gear rotate, thereby make the mount pad slide along the track groove under second drive gear's effect, make its cooling surface region wider, the radiating effect is better, and overall stability is better.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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. A heat sink for an electronic instrument, comprising: the heat exchanger comprises a shell (1), wherein heat exchange ports (3) are formed in two sides of the shell (1), and a filter screen (4) is arranged in each heat exchange port (3);

a fixing ring (2) is fixed on the inner bottom surface of the shell (1), gear teeth (6) are arranged on the inner wall of the fixing ring (2), and a mounting seat (7) is arranged at the top of the fixing ring (2) in a sliding manner;

a motor (8) is installed at the top of the installation seat (7), the output end of the motor (8) is connected with fan blades (9), a connecting plate (10) is fixed on the output shaft of the motor (8), and one end, far away from the output shaft of the motor (8), of the connecting plate (10) is connected with a first driving gear (11);

the top of mount pad (7) is rotated and is equipped with bull stick (12) of running through its setting, the top of bull stick (12) is connected with drive gear (13) with first drive gear (11) meshing, the bottom of bull stick (12) is connected with and meshes driven second drive gear (14) with teeth of a cogwheel (6).

2. The heat dissipating device for an electronic instrument as set forth in claim 1, wherein: the top of the fixing ring (2) is provided with a track groove (21) of an annular structure, and the bottom of the mounting seat (7) is arranged in the track groove (21) in a sliding manner.

3. The heat dissipating device for an electronic instrument as set forth in claim 1, wherein: bearing frame (15) are installed at the top of mount pad (7), bull stick (12) rotate to set up in bearing frame (15).

4. The heat dissipating device for an electronic instrument as set forth in claim 1, wherein: first drive gear (11) all are fan-shaped structure with second drive gear (14), the outside sector of first drive gear (11) meshes with drive gear (13) mutually, the outside sector of second drive gear (14) meshes with teeth of a cogwheel (6) mutually.

5. The heat dissipating device for an electronic instrument as set forth in claim 1, wherein: an opening is formed in the top of the shell (1), and heat dissipation fins (5) are fixed between the inner walls of the opening.