CN217019840U

CN217019840U - Rechargeable dustproof angle grinder with high-efficient thermovent

Info

Publication number: CN217019840U
Application number: CN202220917612.7U
Authority: CN
Inventors: 吴艺鹏
Original assignee: Guangzhou Panyu Zhongyue Electric Tool Manufacturing Co ltd
Current assignee: Guangzhou Panyu Zhongyue Electric Tool Manufacturing Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-07-22
Anticipated expiration: 2032-04-20

Abstract

The utility model relates to the technical field of angle grinders, in particular to a rechargeable dustproof angle grinder with efficient heat dissipation ports, which comprises a front shell and a rear shell, wherein the front shell is fixedly arranged on the rear shell, a plurality of heat dissipation holes communicated with the interior of the front shell are formed in the front shell, two filter screens are arranged in the front shell and used for plugging the heat dissipation holes, a driving motor is arranged in the front shell, a rotating rod is fixed to the output shaft end of the driving motor, and a grinding disc is fixedly arranged after the other end of the rotating rod extends to the exterior of the front shell. According to the utility model, the two heat dissipation fans drive the air in the front shell to rapidly circulate, so that the U-shaped plate and the plurality of first heat dissipation fins on the U-shaped plate can more rapidly and better guide out the heat generated by the operation of the driving motor, the heat dissipation effect of the driving motor is better, the driving motor can effectively work for a long time, the arrangement of the filter screen can be used for performing dustproof filtration on the heat dissipation holes, and the driving motor is not easily influenced by external dust during heat dissipation.

Description

Rechargeable dustproof angle grinder with high-efficient thermovent

Technical Field

The utility model relates to the technical field of angle grinders, in particular to a rechargeable dustproof angle grinder with a high-efficiency heat dissipation port.

Background

The electric angle grinder is characterized in that a motor drives a bearing box through a belt, a flexible shaft is driven to rotate rapidly after the speed of the bearing box is increased, and then a grinding wheel is driven (rotated) by the flexible shaft to work. Different metal grinding, cutting and rust removing can be carried out by changing different grinding wheels. An electric angle grinder is an abrasive tool used for cutting and grinding glass fiber reinforced plastics. The machine can be used with a plurality of working heads, such as a coarse grinding wheel, a fine grinding wheel, a polishing wheel, a rubber wheel, a cutting wheel, a steel wire wheel and the like. An electric angle grinder is used for grinding, cutting, derusting and polishing metal components by using a sheet grinding wheel, a rubber grinding wheel, a steel wire wheel and the like which rotate at a high speed.

When the existing rechargeable angle grinder is used, the structure of the existing rechargeable angle grinder is too simple, so that the existing rechargeable angle grinder is low in heat dissipation efficiency and poor in heat dissipation effect, and cannot meet the use requirement of long-time work; when the existing rechargeable angle grinder is used, the surface temperature of the rechargeable angle grinder is too high due to long-time power supply of the rechargeable angle grinder, and the rechargeable angle grinder is easy to damage the battery.

Aiming at the problems, the utility model provides a rechargeable dustproof angle grinder with an efficient heat dissipation port.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rechargeable dustproof angle grinder with an efficient heat dissipation port, and aims to solve the problems that when the existing rechargeable angle grinder provided by the background art is used, the heat dissipation efficiency is low, the heat dissipation effect is poor and the use requirement of long-time work cannot be met due to the fact that the structure is too simple, and when the existing rechargeable angle grinder is used, the battery is easily damaged due to the fact that the battery supplies power for a long time and the surface temperature of the battery is too high.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a rechargeable dustproof angle grinder with high-efficient thermovent, includes procapsid and back casing, procapsid fixed mounting is on the casing of back, set up a plurality of louvres rather than inside mutual intercommunication on the procapsid, the internally mounted of procapsid has two filter screens, two the filter screen is used for the shutoff of louvre, the internally mounted of procapsid has driving motor, driving motor's output shaft end is fixed with the bull stick, the other end of bull stick extends to the outside back fixed mounting of procapsid and has the piece of polishing, the internally mounted of procapsid has the U-shaped board, and the U-shaped board cup joints in driving motor's the outside, fixed cover is connected with a plurality of first radiating fin on the U-shaped board, and is a plurality of first radiating fin all closely laminates with driving motor.

Preferably, a protective cover is fixed to the bottom of the front housing, and the protective cover is used for protecting the polishing sheet.

Preferably, two fixing plates arranged in parallel are fixed inside the front housing, the two fixing plates are respectively arranged on two sides of the driving motor, and the fixing plates are fixedly provided with heat dissipation fans.

Preferably, a mounting seat is fixed on the inner wall of the rear shell, and a storage battery is fixed on the mounting seat.

Preferably, a plurality of holes of airing exhaust have all been seted up to the opposite flank of back casing, the internally mounted of back casing has two filters, two the filter is used for the shutoff of a plurality of holes of airing exhaust.

Preferably, the opposite side surfaces of the storage battery are fixedly provided with heat-conducting plates, and a plurality of second radiating fins which are linearly arranged and distributed are fixed on the other surface of each heat-conducting plate.

Preferably, a support plate is fixed inside the rear shell, and an exhaust fan is fixedly mounted on the support plate.

In conclusion, the beneficial effects of the utility model are as follows:

1. according to the utility model, the two heat dissipation fans drive the air in the front shell to rapidly circulate, so that the U-shaped plate and the plurality of first heat dissipation fins on the U-shaped plate can more rapidly and better guide out the heat generated by the operation of the driving motor, the heat dissipation effect of the driving motor is better, the driving motor can effectively work for a long time, the arrangement of the filter screen can be used for performing dustproof filtration on the heat dissipation holes, and the driving motor is not easily influenced by external dust during heat dissipation.

2. According to the utility model, the heat conducting plates arranged on the two sides of the storage battery and the plurality of second radiating fins arranged on the heat conducting plates can increase the contact area between the storage battery and air, so that heat generated during power supply of the storage battery can be better led out, the circulation rate of air in the rear shell can be improved due to the arrangement of the exhaust fan, the radiating efficiency of the storage battery is further accelerated, and the using effect of the storage battery is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

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

FIG. 2 is a schematic view of the front housing, louvers and polishing pads of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the front case according to the present invention;

fig. 4 is a schematic view of the internal structure of the rear case according to the present invention.

In the figure: 1. a front housing; 2. a rear housing; 3. a protective cover; 4. heat dissipation holes; 5. a filter screen; 6. a drive motor; 7. a rotating rod; 8. grinding the sheet; 9. a first heat radiation fin; 10. a fixing plate; 11. a heat dissipation fan; 12. an air exhaust hole; 13. a filter plate; 14. a storage battery; 15. a heat conducting plate; 16. a second heat radiation fin; 17. a pallet; 18. an exhaust fan.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a rechargeable dustproof angle grinder with efficient heat dissipation ports comprises a front housing 1 and a rear housing 2, wherein the front housing 1 and the rear housing 2 can be any one of the prior art, the front housing 1 is fixedly mounted on the rear housing 2, the front housing 1 is provided with a plurality of heat dissipation holes 4 communicated with the inside thereof, two filter screens 5 are mounted inside the front housing 1, the two filter screens 5 are used for plugging the heat dissipation holes 4, a driving motor 6 is mounted inside the front housing 1, a rotating rod 7 is fixed at an output end of the driving motor 6, a grinding disc 8 is fixedly mounted after the other end of the rotating rod 7 extends to the outside of the front housing 1, a protective cover 3 is fixed at the bottom of the front housing 1, the filter screens 5, the driving motor 6, the rotating rod 7, the grinding disc 8 and the protective cover 3 can be any one of the prior art, the protective cover 3 is used for protecting the grinding disc 8, the internally mounted of procapsid 1 has the U-shaped board, and the U-shaped board cup joints in driving motor 6's the outside, fixed cover has connect a plurality of first radiating fin 9 on the U-shaped board, a plurality of first radiating fin 9 all closely laminate with driving motor 6, the inside of procapsid 1 is fixed with two parallel arrangement's fixed plate 10, two fixed plate 10 divide and establish the both sides at driving motor 6, fixed mounting has heat dissipation fan 11 on the fixed plate 10, the U-shaped board, first radiating fin 9, the fixed plate 10, heat dissipation fan 11 can be any one among the prior art.

Based on above structure, utilize two radiator fan 11 to drive the inside quick circulation of air of procapsid 1 for the U-shaped board and a plurality of first radiating fin 9 on it can be faster, better derive the heat that driving motor 6 operation produced, make driving motor 6's radiating effect better, can effectively work for a long time, setting up of filter screen 5 can be dustproof the filtration to louvre 4, be difficult to when making driving motor 6 dispel the heat influenced by external dust.

As shown in fig. 4, a mounting seat is fixed on the inner wall of the rear housing 2, a storage battery 14 is fixed on the mounting seat, a plurality of air exhaust holes 12 are formed in the opposite side surfaces of the rear housing 2, two filter plates 13 are installed inside the rear housing 2, the two filter plates 13 are used for plugging the air exhaust holes 12, a heat conduction plate 15 is fixedly installed on the opposite side surfaces of the storage battery 14, a plurality of second heat dissipation fins 16 distributed in a linear arrangement are fixed on the other surface of the heat conduction plate 15, and the mounting seat, the storage battery 14, the filter plates 13, the heat conduction plate 15 and the second heat dissipation fins 16 can be any one of the prior art.

Based on the above structure, the heat conducting plates 15 arranged on both sides of the storage battery 14 and the plurality of second heat dissipating fins 16 arranged on the heat conducting plates 15 can increase the contact area between the storage battery 14 and the air, so that the heat generated by the storage battery 14 during power supply can be better guided out.

Referring to fig. 4, a support plate 17 is fixed inside the rear housing 2, an exhaust fan 18 is fixed on the support plate 17, and the support plate 17 and the exhaust fan 18 may be any one of the prior art.

Based on above structure, the setting of air discharge fan 18 can improve the circulation rate of the inside air of back casing 2, further accelerates the radiating efficiency of battery 14, promotes battery 14's result of use.

The working principle of the utility model is as follows: when the angle grinder is used, the driving motor 6 can generate a large amount of heat, the two heat dissipation fans 11 are controlled to operate, the two heat dissipation fans 11 drive air in the front shell 1 to rapidly circulate, the U-shaped plate and the first heat dissipation fins 9 on the U-shaped plate can increase the contact surface between the driving motor 6 and the air, so that the heat exchange efficiency between the air and the driving motor 6 is improved, the driving motor 6 can be ensured to stably operate for a long time, a large amount of heat can be generated in the power supply process of the storage battery 14 to the driving motor 6, the heat conduction plates 15 arranged on two sides of the storage battery 14 and the plurality of second heat dissipation fins 16 arranged on the heat conduction plates 15 can increase the contact area between the storage battery 14 and the air, the heat dissipation treatment of the storage battery 14 can be rapidly completed under the cooperation of the exhaust fan 18, the use safety of the storage battery 14 is ensured, the use of the filter screen 5 and the filter plate 13 can prevent external dust from entering the inside of the angle grinder, the heat dissipation effect of the angle grinder is better.

It should be noted that the components, modules and mechanisms that are not described in detail in this application are all general standard components or components known to those skilled in the art, and the structure and principle of the components can be known to those skilled in the art through technical manuals or through routine experiments. The connection relationship between the structures can be any one of the prior arts such as: use the mode of the spiro union of realizing through bolt and nut cooperation, use the joint mode of realizing through the cooperation of size cooperation and fastener, through modes integrated into one piece such as forging, cutting, through welded fastening's mode etc. this technical field personnel can combine the description and the structural feature of this application, learn or learn through conventional experimental method through looking up technical manual. 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, an element defined by the phrase "comprising … …" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a rechargeable dustproof angle grinder with high-efficient thermovent which characterized in that: comprises a front shell (1) and a rear shell (2), wherein the front shell (1) is fixedly arranged on the rear shell (2), a plurality of heat dissipation holes (4) which are communicated with the interior of the front shell (1) are arranged on the front shell, two filter screens (5) are arranged in the front shell (1), the two filter screens (5) are used for plugging the heat dissipation holes (4), a driving motor (6) is arranged in the front shell (1), a rotating rod (7) is fixed at the output shaft end of the driving motor (6), the other end of the rotating rod (7) extends to the outside of the front shell (1) and is fixedly provided with a polishing plate (8), a U-shaped plate is arranged inside the front shell (1), and the U-shaped plate is sleeved outside the driving motor (6), a plurality of first radiating fins (9) are fixedly sleeved on the U-shaped plate, and the first radiating fins (9) are tightly attached to the driving motor (6).

2. The rechargeable dust-free angle grinder with an efficient heat dissipation port as claimed in claim 1, wherein: the bottom of procapsid (1) is fixed with safety cover (3), safety cover (3) are used for the protection of polishing piece (8) to handle.

3. The rechargeable dust-proof angle grinder with efficient heat dissipation ports as claimed in claim 1, wherein the rechargeable dust-proof angle grinder with efficient heat dissipation ports comprises: the inside of procapsid (1) is fixed with two parallel arrangement's fixed plate (10), two fixed plate (10) are established respectively in the both sides of driving motor (6), fixed mounting has heat dissipation fan (11) on fixed plate (10).

4. The rechargeable dust-proof angle grinder with efficient heat dissipation ports as claimed in claim 1, wherein the rechargeable dust-proof angle grinder with efficient heat dissipation ports comprises: and a mounting seat is fixed on the inner wall of the rear shell (2), and a storage battery (14) is fixed on the mounting seat.

5. The rechargeable dust-proof angle grinder with efficient heat dissipation ports as claimed in claim 1, wherein the rechargeable dust-proof angle grinder with efficient heat dissipation ports comprises: a plurality of holes (12) of airing exhaust have all been seted up to the opposite side of back casing (2), the internally mounted of back casing (2) has two filter (13), two filter (13) are used for the shutoff of a plurality of holes (12) of airing exhaust.

6. The rechargeable dust-proof angle grinder with efficient heat dissipation ports as claimed in claim 4, wherein the rechargeable dust-proof angle grinder with efficient heat dissipation ports comprises: the opposite side surfaces of the storage battery (14) are fixedly provided with heat-conducting plates (15), and a plurality of second radiating fins (16) which are distributed in a linear arrangement manner are fixed on the other surface of each heat-conducting plate (15).

7. The rechargeable dust-free angle grinder with an efficient heat dissipation port as claimed in claim 1, wherein: a supporting plate (17) is fixed inside the rear shell (2), and an exhaust fan (18) is fixedly mounted on the supporting plate (17).