CN218697222U - Electric tool's radiator unit and electric tool - Google Patents
Electric tool's radiator unit and electric tool Download PDFInfo
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- CN218697222U CN218697222U CN202222294448.1U CN202222294448U CN218697222U CN 218697222 U CN218697222 U CN 218697222U CN 202222294448 U CN202222294448 U CN 202222294448U CN 218697222 U CN218697222 U CN 218697222U
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Abstract
The utility model provides an electric tool's radiator unit and electric tool, radiator unit includes: the heat dissipation rotary table is rotationally connected with an output shaft of the electric tool and is provided with a first end face and a second end face which are oppositely arranged; a plurality of heat dissipation members disposed on the first end surface and/or the second end surface around a circumferential direction of the heat dissipation turntable; the heat dissipation distance formed between at least two adjacent heat dissipation pieces is gradually increased from the circle center position of the heat dissipation turntable to the outer edge direction of the heat dissipation turntable. The utility model provides a because radiator unit 100's self structure sets up unreasonable and leads to the not good technical problem of radiating effect.
Description
Technical Field
The utility model relates to an electric tool technical field particularly, relates to an electric tool's radiator unit and electric tool.
Background
A sander is a power tool frequently used in sanding and polishing operations. The handheld sander is popular among users due to the advantages of convenience in use, flexibility in operation and the like, and can be used for sanding work on surfaces such as wooden products, metal products, plastic products, walls and the like. A common handheld sander mainly comprises a sander body and a bottom plate, wherein the bottom plate is installed on the sander body, and a motor in the sander body drives the bottom plate to do reciprocating swing motion through an eccentric mechanism, so that sanding and polishing operations are performed on workpieces.
What is difficult to avoid is that electric tool is in the in-service use in-process, because driving motor drives the sand bottom plate operation and produces a large amount of heats, though the technical improvement about addding radiator unit in grinder has appeared among the correlation technique, nevertheless, because radiator unit's self structure sets up unreasonablely and leads to the radiating effect not good.
SUMMERY OF THE UTILITY MODEL
The utility model provides a because radiator unit's self structure sets up unreasonable and leads to the not good technical problem of radiating effect.
In order to solve the above problems, the present invention provides a heat dissipation assembly for an electric tool, wherein the electric tool includes a mounting housing for mounting the heat dissipation assembly, and a heat dissipation opening is formed in a position of the mounting housing corresponding to the heat dissipation assembly; the heat dissipation assembly includes: the heat dissipation rotary table is rotationally connected with an output shaft of the electric tool and is provided with a first end face and a second end face which are oppositely arranged; a plurality of heat dissipation members disposed on the first end surface and/or the second end surface around a circumferential direction of the heat dissipation turntable; the heat dissipation distance formed between at least two adjacent heat dissipation pieces is gradually increased from the circle center position of the heat dissipation rotary table to the outer edge direction of the heat dissipation rotary table.
Compared with the prior art, the technical scheme has the following technical effects: in a specific example, electric tool can be the grinder for example, all be equipped with a plurality of radiating pieces respectively at first terminal surface and second terminal surface for example, then, when drive assembly drive heat dissipation carousel rotated, can drive a plurality of radiating pieces of locating above that also rotate, combine this technical scheme content, because the characteristics of laying of the heat dissipation interval that forms between the adjacent radiating piece, under the centrifugal force effect, make the temperature of concentrating on the radiating piece surface can be taken out the installation space of installation casing fast by the heat dissipation opening, thereby make the ambient temperature of installation space be in stable low temperature state, avoid appearing overheated condition.
In an example of the present invention, the plurality of heat radiating members include: the first heat dissipation arc-shaped structure is arranged on the first end face and comprises a first end portion and a second end portion which are arranged oppositely, the first end portion is located at a position where the heat dissipation rotary table is far away from the circle center, and the second end portion faces towards a direction close to the circle center and extends.
Compared with the prior art, the technical scheme has the following technical effects: it can be understood that the larger the heat dissipation surface area of the heat dissipation member is, the higher the heat dissipation efficiency can be increased to a certain extent, and the position characteristics of the first heat dissipation arc-shaped structure on the heat dissipation turntable are combined, that is, the first heat dissipation arc-shaped structure is arranged at the position of the heat dissipation turntable close to the outer edge of the heat dissipation turntable, when the heat dissipation turntable rotates around the axis of the heat dissipation turntable, the linear velocity of the first heat dissipation arc-shaped structure at the position of the outer edge of the heat dissipation turntable is higher than that of the first heat dissipation turntable at other positions, so that the temperature of the surface of the first heat dissipation arc-shaped structure can be quickly taken away, and because the heat dissipation assembly is arranged opposite to the heat dissipation opening of the mounting housing, the heat taken away from the surface of the first heat dissipation arc-shaped structure can be quickly discharged from the heat dissipation opening, the residence time of the heat in the mounting housing can be shortened, and the problem of heat dissipation obstruction can be avoided.
In an example of the present invention, the first heat dissipation arc structure includes: the first arc-shaped protruding pieces protrude from the first end face connected with the first arc-shaped protruding pieces towards the direction far away from the second end face to form a first height.
Compared with the prior art, the technical scheme has the following technical effects: the heat dissipation efficiency of the heat dissipation assembly is further improved.
In an example of the present invention, the plurality of heat dissipation members further include: the second heat dissipation arc-shaped structure is arranged on the second end face and comprises a third end part and a fourth end part which are oppositely arranged, the third end part is positioned at the position, far away from the circle center of the heat dissipation turntable, and the fourth end part extends towards the direction close to the circle center; the second heat dissipation arc-shaped structure is provided with a plurality of second arc-shaped protruding pieces, and the second arc-shaped protruding pieces are located on the second end face along the direction close to the circle center in extension and the first arc-shaped protruding pieces are located on the first end face along the direction close to the circle center in extension.
Compared with the prior art, the technical scheme has the following technical effects: the heat dissipation parts are arranged on the two end surfaces of the heat dissipation rotary table, so that the heat dissipation surface area of the heat dissipation rotary table is increased; in addition, because the plurality of second arc-shaped protruding pieces extend from the second end surface in the direction close to the center of the circle and the plurality of first arc-shaped protruding pieces extend from the first end surface in the direction close to the center of the circle, in other words, when the heat dissipation turntable rotates around the axis of the heat dissipation turntable in the first direction, the direction in which the second end portion of the first heat dissipation arc-shaped structure and the fourth end portion of the second heat dissipation arc-shaped structure extend towards the center of the circle is the same as the first direction, at this time, the distances between the positions of the plurality of first arc-shaped protruding pieces corresponding to the second end portion and the center of the heat dissipation turntable are equal, and the same, and the distances between the positions of the plurality of second arc-shaped protruding pieces corresponding to the fourth end portion and the center of the heat dissipation turntable are also equal, the plurality of heat dissipation pieces are arranged on the heat dissipation turntable uniformly, thereby effectively avoiding the heat dissipation turntable from deflecting due to the uneven distribution of the plurality of heat dissipation pieces arranged on the heat dissipation turntable during the rotation process and further increasing the abrasion between the driving components in transmission connection therewith, and further reducing the service life of the whole.
In an example of the present invention, a first distance is formed between any at least two adjacent first arc-shaped protruding members; a second distance is formed between any two adjacent second arc-shaped protruding pieces, and the second arc-shaped protruding pieces protrude from the second end face connected with the second arc-shaped protruding pieces towards the direction far away from the first end face to form a second height; wherein the larger of the first distance and the second distance is larger than the other of the first distance and the second distance, and the height of the corresponding protrusion from the end surface connected with the first distance and the second distance is larger than the other of the first distance and the second distance.
On the other hand, the utility model also provides an electric tool, include: the mounting shell is internally provided with a mounting space and a heat dissipation opening communicated with the mounting space; the driving assembly is arranged in the mounting space; the heat dissipation assembly of any of the above embodiments is disposed in the mounting space and opposite to the heat dissipation opening.
Compared with the prior art, the technical scheme has the following technical effects: the technical effects corresponding to any one of the above technical solutions can be achieved, and are not described herein again.
In an example of the present invention, include: the output assembly is in driving connection with the driving assembly and is positioned on one side, far away from the driving assembly, of the heat dissipation turntable; the dust collecting shell is arranged at the position of the mounting shell corresponding to the heat dissipation assembly, and a dust collecting channel of the dust collecting shell is communicated with the mounting space; wherein, at least one of the heat dissipation rotating discs is arranged on one side of the heat dissipation rotating disc close to the output assembly.
Compared with the prior art, the technical scheme has the following technical effects: the dust collecting channel and the heat radiating assembly are arranged oppositely, on one hand, the heat radiating parts are arranged on the two end faces of the heat radiating rotary disc to improve the efficiency of the heat radiating rotary disc for exhausting heat in the mounting shell from the heat radiating opening and the dust removing channel, and in addition, the heat radiating parts arranged on one side close to the output assembly can also be used for exhausting waste dust and the like generated in the operation process of the sander from the dust collecting channel through the rotating heat radiating rotary disc, so that the phenomenon that a large amount of waste dust is accumulated on the processing side of an operator in the polishing operation process to cause the damage to health of the operator due to the large amount of absorption of the waste dust is avoided; on the other hand, can protruding the great radiating piece of height orientation of heat dissipation on the heat dissipation carousel and be close to the position setting of output assembly, specifically speaking, the quantity of the protruding piece of second arc of can taking is less than the quantity of first arc radiating piece, also make first interval be less than the second interval, the second height is greater than the first height of the protruding piece of first arc this moment, thereby make the rotatory air supply that forms of second heat dissipation arc structure be greater than the rotatory air supply that forms of corresponding via first heat dissipation arc structure, in order to satisfy the collection dirt demand, equally, when output assembly acts on treating the machined part, the two interact can form higher temperature, combine above-mentioned analysis, further play the radiating efficiency of improvement.
In one example of the present invention, a first mating distance is formed between the output assembly and the mounting housing; the electric power tool further includes: and the dustproof shell is connected with one end, close to the output assembly, of the mounting shell and corresponds to the position of the first matching distance.
Compared with the prior art, the technical scheme has the following technical effects: through setting up dust keeper, can make in the course of working, avoid the diffusion on a large scale of sweeps dust, also play the effect of collecting the sweeps dust promptly, combine the relative characteristic that sets up of radiator unit and collection dirt passageway for improved and collected the sweeps dust and discharged from the export of collection dirt passageway, also can take away the inside heat of installation casing simultaneously, play good radiating effect.
The utility model discloses an in an example, the installation casing be equipped with be used for with the first spacing draw-in groove of dust cover complex, just first spacing draw-in groove is close to output assembly's one end is the opening setting.
Compared with the prior art, the technical scheme has the following technical effects: can make installation casing and dust removal casing stable cooperation.
The utility model discloses an in an example, first spacing draw-in groove is for centering on the circumference setting of the corresponding tip of installation casing, first spacing draw-in groove includes: the first annular convex plate is provided with at least one second limiting clamping groove; the second arc-shaped convex plate is arranged on the outer side, away from the rotation axis of the heat dissipation turntable, of the first annular convex plate; dust keeper press from both sides and locate by first annular raised plate with what second arc-shaped raised plate is constituteed press from both sides establish in the space, just dust keeper be equipped with the buckle of the spacing draw-in groove joint of second.
Compared with the prior art, the technical scheme has the following technical effects: further improving the collection of the waste dust.
Adopt the technical scheme of the utility model afterwards, can reach following technological effect:
(1) For example, the first end surface and the second end surface are respectively provided with a plurality of radiating pieces, so that when the driving assembly drives the radiating rotary disc to rotate, the plurality of radiating pieces arranged on the driving assembly can be driven to rotate;
(2) It can be understood that the larger the surface area of the heat sink used for heat dissipation is, the higher the heat dissipation efficiency can be increased to a certain extent, and the position characteristics of the first heat dissipation arc-shaped structure on the heat dissipation turntable are combined, that is, the first heat dissipation arc-shaped structure is arranged at the position of the heat dissipation turntable close to the outer edge of the heat dissipation turntable, when the heat dissipation turntable rotates around the axis of the heat dissipation turntable, the linear velocity of the first heat dissipation arc-shaped structure at the position of the outer edge of the heat dissipation turntable is larger than that of the first heat dissipation arc-shaped structure at other positions of the heat dissipation turntable, so that the temperature of the surface of the first heat dissipation arc-shaped structure can be rapidly taken away, and because the heat dissipation assembly is arranged opposite to the heat dissipation opening of the mounting shell, the heat taken away from the surface of the first heat dissipation arc-shaped structure can be rapidly discharged from the heat dissipation opening, the residence time of the heat in the mounting shell is shortened, and the problem of heat dissipation blockage is avoided;
(3) The distance formed between the position of the plurality of first arc-shaped protruding parts corresponding to the second end part and the circle center of the heat dissipation turntable is equal, and similarly, the distance formed between the position of the plurality of second arc-shaped protruding parts corresponding to the fourth end part and the circle center of the heat dissipation turntable is also equal, so that the plurality of heat dissipation pieces are uniformly distributed on the heat dissipation turntable, the heat dissipation turntable is effectively prevented from deflecting due to the fact that the plurality of heat dissipation pieces arranged on the heat dissipation turntable are not uniformly distributed in the rotating process, and further abrasion between the driving components in transmission connection with the heat dissipation turntable is increased, and the service life of the whole heat dissipation turntable is prolonged.
Drawings
Fig. 1 is a schematic structural view of a heat dissipation assembly of an electric tool according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of fig. 1 from another view angle.
Fig. 3 is a schematic structural diagram of fig. 1 from a further view angle.
Fig. 4 is a schematic view illustrating a mating connection between a power tool and a heat dissipation assembly.
Fig. 5 is a partial schematic view of the power tool and the heat sink assembly shown in fig. 4.
Fig. 6 is a partial schematic view of the power tool and the heat sink assembly shown in fig. 4 from another perspective.
Fig. 7 is a partial schematic view of the mounting housing in a further view of fig. 4 in mated connection with the dirt extraction housing and the heat dissipation assembly.
Fig. 8 is an enlarged view of fig. 7 at a.
Fig. 9 is a partial schematic view of the mounting housing of fig. 4.
Fig. 10 is an enlarged view of fig. 9 at B.
Description of reference numerals:
100-a heat sink assembly; 10-heat dissipation turntable; 101-a first end face; 102-a first distance; 103-a second end face; 104-a second distance; 21-a first heat dissipation arc structure; 211-a first end; 212-a second end; 22-a second heat dissipating arc structure; 221-a third end; 222-a fourth end;
200-an electric tool; 201-heat dissipation opening; 203-a first annular raised plate; 2031-a second limit clamping groove; 204-a second arc-shaped convex plate; 205-clamping the space; 206 — a first mating distance; 210-mounting a housing; 220-a drive assembly; 230-a dust-proof housing; 231-fastening; 240-an output component; 250-a dust collection housing; 251-dust collection channel.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
The first embodiment is as follows:
referring to fig. 1, a schematic structural diagram of a heat dissipation assembly 100 of an electric tool 200 according to an embodiment of the present invention is shown. In detail, with reference to fig. 2 to 10, the power tool 200 includes a mounting housing 210 for mounting the heat sink assembly 100, and the mounting housing 210 is provided with a heat sink at a position corresponding to the heat sink assembly 100; the heat dissipation assembly 100 includes, for example, a heat dissipation turntable 10 and a plurality of heat dissipation members; the heat dissipation rotary table 10 is rotatably connected with an output shaft of the electric tool 200, and the heat dissipation rotary table 10 is provided with a first end surface 101 and a second end surface 103 which are oppositely arranged; a plurality of heat dissipating members disposed on the first end surface 101 and/or the second end surface 103 around the circumferential direction of the heat dissipating turntable 10; wherein, the heat dissipation interval formed between at least two adjacent heat dissipation pieces is gradually increased from the circle center position of the heat dissipation turntable 10 to the outer edge direction of the heat dissipation turntable 10.
In a specific example, the electric tool 200 may be, for example, a sander, and for example, a plurality of heat dissipation members are respectively disposed on the first end surface 101 and the second end surface 103, so that when the driving component 220 drives the heat dissipation turntable 10 to rotate, the heat dissipation members disposed thereon can be driven to rotate, and in combination with the content of the present technical solution, due to the layout characteristics of the heat dissipation intervals formed between adjacent heat dissipation members, under the action of centrifugal force, the temperature concentrated on the surface of the heat dissipation member can be quickly brought out of the installation space of the installation housing 210 by the heat dissipation opening 201, so that the ambient temperature of the installation space is in a stable low temperature state, and the occurrence of overheating is avoided.
Preferably, the plurality of heat dissipation members include, for example, a first heat dissipation arc-shaped structure 21, the first heat dissipation arc-shaped structure 21 is disposed on the first end surface 101, and the first heat dissipation arc-shaped structure 21 includes a first end portion 211 and a second end portion 212 that are disposed opposite to each other, the first end portion 211 is located at a position where the heat dissipation turntable 10 is away from the center of the heat dissipation turntable, and the second end portion 212 extends toward a direction close to the center of the heat dissipation turntable.
In one embodiment, it can be understood that the larger the surface area of the heat sink for dissipating heat, the greater the heat dissipation efficiency of the heat sink can be, and in combination with the position characteristics of the first heat dissipation arc structure 21 on the heat dissipation rotary disk 10, that is, the first heat dissipation arc structure 21 is disposed at the position of the heat dissipation rotary disk 10 close to the outer edge thereof, when the heat dissipation rotary disk 10 rotates around the axis thereof, the linear velocity of the first heat dissipation arc structure 21 at the position of the outer edge thereof is greater than that at other positions of the heat dissipation rotary disk 10, so as to facilitate rapid removal of the temperature on the surface of the first heat dissipation arc structure 21, and since the heat dissipation assembly 100 is disposed opposite to the heat dissipation opening 201 of the mounting housing 210, the rapid removal of the heat removed from the surface of the first heat dissipation arc structure 21 can be achieved through the heat dissipation opening 201, and the retention time of the heat in the mounting housing 210 can be shortened and the heat dissipation problem can be avoided being blocked; in addition, because the first end 211 is flush with the outer edge of the heat dissipation rotating disc 10 or is located at the position of the circle center of the outer edge close to the heat dissipation rotating disc 10, the first end 211 is prevented from extending out of the outer edge to increase the occupied space in the installation shell 210, and therefore the arrangement mode of the first heat dissipation arc-shaped structures 21 in the technical scheme improves the utilization rate of the installation space to a certain extent.
Further, the first heat dissipation arc structure 21 includes a plurality of first arc-shaped protrusions, and the plurality of first arc-shaped protrusions protrude from the first end surface 101 connected thereto toward a direction away from the second end surface 103 to form a first height. Specifically, the heat dissipation efficiency of the heat dissipation assembly 100 is further improved.
Preferably, the plurality of heat dissipation members further includes, for example, a second heat dissipation arc structure 22. The second heat dissipation arc structure 22 is disposed on the second end surface 103, and the second heat dissipation arc structure 22 includes a third end 221 and a fourth end 222 that are disposed oppositely, the third end 221 is located at a position where the heat dissipation turntable 10 is far away from the center of the heat dissipation turntable, and the fourth end 222 extends toward a direction close to the center of the heat dissipation turntable; the second heat dissipation arc structure 22 is provided with a plurality of second arc-shaped protrusions, and the direction of the second arc-shaped protrusions extending near the center of circle on the second end surface 103 is the same as the direction of the first arc-shaped protrusions extending near the center of circle on the first end surface 101.
The heat dissipation surface area of the heat dissipation turntable 10 is increased by arranging the heat dissipation parts on the two end surfaces of the heat dissipation turntable 10; in addition, because the extending direction of the plurality of second arc-shaped protrusions on the second end surface 103 close to the center of the circle is the same as the extending direction of the plurality of first arc-shaped protrusions on the first end surface 101 close to the center of the circle, in other words, when the heat dissipation turntable 10 rotates around the axis thereof along the first direction, the extending direction of the second end portion 212 of the first heat dissipation arc-shaped structure 21 and the extending direction of the fourth end portion of the second heat dissipation arc-shaped structure 22 towards the center of the circle are the same as the first direction, at this time, the distances formed between the positions of the plurality of first arc-shaped protrusions corresponding to the second end portion 212 and the center of the heat dissipation turntable 10 are all equal, and similarly, the distances formed between the positions of the plurality of second arc-shaped protrusions corresponding to the fourth end portion 222 and the center of the heat dissipation turntable 10 are also equal, so that the plurality of heat dissipation members are arranged uniformly distributed on the heat dissipation turntable 10, thereby effectively avoiding the heat dissipation turntable 10 from deflecting due to the non-uniform distribution of the plurality of heat dissipation members arranged thereon in the rotation process and increasing the wear between the drive components 220 connected therewith, and thereby reducing the overall service life of the turntable.
Preferably, a first distance 102 is formed between any at least two adjacent first arc-shaped protruding parts; a second distance 104 is formed between any two adjacent second arc-shaped protruding parts, and the second arc-shaped protruding parts protrude from the second end surface 103 connected with the second arc-shaped protruding parts towards the direction far away from the first end surface 101 to form a second height; wherein the larger of the first distance 102 and the second distance 104 corresponds to a greater height of the protrusion from the end surface connected thereto than the other.
Example two:
referring to fig. 4, a schematic structural diagram of an electric tool 200 according to a second embodiment is shown. Referring to fig. 1 to 10, the power tool 200 includes, for example, a mounting housing 210, a driving assembly 220, and the heat dissipating assembly 100 according to the first embodiment. Specifically, an installation space and a heat dissipation opening 201 communicated with the installation space are arranged in the installation shell 210; the driving assembly 220 is internally installed in the installation space; the heat dissipation assembly 100 is disposed in the installation space and opposite to the heat dissipation opening 201.
Preferably, the power tool 200 further includes an output assembly 240 and a dust collection housing 250, for example. The output component 240 is in driving connection with the driving component 220, and the output component 240 is located on one side of the heat dissipation turntable 10 away from the driving component 220; the dust collection housing 250 is provided at a position of the mounting housing 210 corresponding to the heat dissipation assembly 100, and the dust collecting passage 251 of the dust collecting housing 250 is communicated with the installation space; wherein, at least one of the plurality of heat dissipation members is disposed on a side of the heat dissipation turntable 10 close to the output assembly 240.
In combination with the content of the first embodiment, in another specific example, in combination with the structural characteristics that the dust collecting channel 251 and the heat dissipating assembly 100 are arranged oppositely, on one hand, heat dissipating members are arranged on both end surfaces of the heat dissipating rotary disk 10 to improve the efficiency of the heat dissipating rotary disk 10 in removing heat from the heat dissipating opening 201 and the dust removing channel inside the mounting housing 210, and in addition, the heat dissipating member arranged on one side close to the output assembly 240 can also be used for discharging the waste dust and the like generated in the operation process of the sander from the dust collecting channel 251 through the rotating heat dissipating rotary disk 10, so that a large amount of waste dust and the like generated in the operation process of the sander are prevented from being collected on the processing side of an operator, and the operator absorbs a large amount of waste dust and harms health; on the other hand, can take the great radiating piece orientation of height to be close to output assembly 240 on heat dissipation carousel 10 to set up, specifically speaking, the quantity that can take the protruding piece of second arc is less than the quantity of first arc radiating piece, also make first interval be less than the second interval, the second height is greater than the first height of the protruding piece of first arc this moment, thereby make the rotatory air supply that forms via second heat dissipation arc structure 22 be greater than the rotatory air supply that forms via first heat dissipation arc structure 21 correspondingly, in order to satisfy the collection dirt demand, and is same, when output assembly 240 acts on treating the machined part, the two interact can form higher temperature, combine above-mentioned analysis, further play the radiating efficiency of improvement.
Preferably, the output assembly 240 and the mounting housing 210 define a first mating distance 206 therebetween; the electric power tool 200 further includes, for example: the dust-proof housing 230 is connected to an end of the mounting housing 210 close to the output component and corresponds to the first matching distance 206.
Preferably, the mounting housing 210 is provided with a first limiting slot for matching with the dust-proof housing 230, and one end of the first limiting slot close to the output component 240 is provided with an opening.
Preferably, the first limit catch groove is disposed around the circumference of the corresponding end of the mounting housing 210, and the first limit catch groove includes, for example, a first annular protrusion plate 203 and a second arc-shaped protrusion plate 204. The first annular convex plate 203 is provided with at least one second limiting clamping groove 2031; the second arc-shaped convex plate 204 is arranged on the outer side of the first annular convex plate 203 far away from the rotation axis of the heat dissipation turntable 10; the dust-proof housing 230 is clamped in the clamping space 205 formed by the first annular protruding plate 203 and the second arc-shaped protruding plate 204, and the dust-proof housing 230 is provided with a buckle 231 clamped with the second limiting clamping groove 2031.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (10)
1. A heat dissipation assembly of an electric tool comprises a mounting shell for mounting the heat dissipation assembly, wherein a heat dissipation port is formed in the position, corresponding to the heat dissipation assembly, of the mounting shell; characterized in that, the radiator unit includes:
the heat dissipation rotary table is rotationally connected with an output shaft of the electric tool and is provided with a first end face and a second end face which are oppositely arranged;
the heat dissipation rotary disc is arranged on the first end face and/or the second end face in a surrounding mode in the circumferential direction of the heat dissipation rotary disc;
the heat dissipation distance formed between at least two adjacent heat dissipation pieces is gradually increased from the circle center position of the heat dissipation turntable to the outer edge direction of the heat dissipation turntable.
2. The heat dissipation assembly of claim 1, wherein the plurality of heat dissipation elements comprises:
the first heat dissipation arc-shaped structure is arranged on the first end face and comprises a first end portion and a second end portion which are arranged oppositely, the first end portion is located at a position where the heat dissipation rotary table is far away from the circle center, and the second end portion faces towards a direction close to the circle center and extends.
3. The heat dissipation assembly of claim 2, wherein the first heat dissipation arc structure comprises:
the first arc-shaped protruding pieces protrude from the first end face connected with the first arc-shaped protruding pieces towards the direction far away from the second end face to form a first height.
4. The heat dissipation assembly of claim 3, wherein the plurality of heat dissipation elements further comprises:
the second heat dissipation arc-shaped structure is arranged on the second end face and comprises a third end part and a fourth end part which are oppositely arranged, the third end part is positioned at the position, far away from the circle center of the heat dissipation turntable, and the fourth end part extends towards the direction close to the circle center;
the second heat dissipation arc-shaped structure is provided with a plurality of second arc-shaped protruding pieces, and the second arc-shaped protruding pieces are located on the second end face along the direction close to the circle center in extension and the first arc-shaped protruding pieces are located on the first end face along the direction close to the circle center in extension.
5. The heat dissipation assembly of claim 4,
a first distance is formed between any two adjacent first arc-shaped protruding pieces;
a second distance is formed between any two adjacent second arc-shaped protruding pieces, and the second arc-shaped protruding pieces protrude from the second end face connected with the second arc-shaped protruding pieces towards the direction far away from the first end face to form a second height;
wherein the larger of the first distance and the second distance corresponds to a greater height of the protrusion from the end surface connected thereto than the other of the first distance and the second distance.
6. An electric power tool, comprising:
the mounting shell is internally provided with a mounting space and a heat dissipation opening communicated with the mounting space;
the driving assembly is arranged in the mounting space;
the heat dissipating assembly of any of claims 1-5, being disposed within the mounting space and opposite the heat dissipating opening.
7. The power tool of claim 6, comprising:
the output assembly is in driving connection with the driving assembly and is positioned on one side, far away from the driving assembly, of the heat dissipation turntable;
the dust collecting shell is arranged at the position of the mounting shell corresponding to the heat dissipation assembly, and a dust collecting channel of the dust collecting shell is communicated with the mounting space;
wherein, at least one of a plurality of heat dissipation pieces is arranged on one side of the heat dissipation turntable close to the output assembly.
8. The power tool of claim 7, wherein the output assembly and the mounting housing define a first mating distance therebetween; the electric power tool further includes:
and the dustproof shell is connected to one end, close to the output assembly, of the mounting shell and corresponds to the position of the first matching distance.
9. The power tool of claim 8,
the installation casing be equipped with be used for with dustproof casing complex first spacing draw-in groove, just first spacing draw-in groove is close to the one end of output assembly is the opening setting.
10. The power tool of claim 9,
first spacing draw-in groove is for surrounding the circumference setting of the corresponding tip of installation casing, first spacing draw-in groove includes:
the first annular convex plate is provided with at least one second limiting clamping groove;
the second arc-shaped convex plate is arranged on the outer side, away from the rotation axis of the heat dissipation turntable, of the first annular convex plate;
dust keeper press from both sides and locate by first annular raised plate with what second arc-shaped raised plate is constituteed press from both sides establish in the space, just dust keeper be equipped with the buckle of the spacing draw-in groove joint of second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222294448.1U CN218697222U (en) | 2022-08-29 | 2022-08-29 | Electric tool's radiator unit and electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222294448.1U CN218697222U (en) | 2022-08-29 | 2022-08-29 | Electric tool's radiator unit and electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218697222U true CN218697222U (en) | 2023-03-24 |
Family
ID=85631130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222294448.1U Active CN218697222U (en) | 2022-08-29 | 2022-08-29 | Electric tool's radiator unit and electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218697222U (en) |
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2022
- 2022-08-29 CN CN202222294448.1U patent/CN218697222U/en active Active
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