CN211208852U - Heat dissipation carbon brush for electric tool - Google Patents
Heat dissipation carbon brush for electric tool Download PDFInfo
- Publication number
- CN211208852U CN211208852U CN201922185493.1U CN201922185493U CN211208852U CN 211208852 U CN211208852 U CN 211208852U CN 201922185493 U CN201922185493 U CN 201922185493U CN 211208852 U CN211208852 U CN 211208852U
- Authority
- CN
- China
- Prior art keywords
- carbon brush
- fixed cylinder
- heat
- fixedly connected
- heat dissipation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 95
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 44
- 238000007789 sealing Methods 0.000 claims description 9
- 239000004519 grease Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 17
- 230000000295 complement effect Effects 0.000 abstract description 4
- 239000010902 straw Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 239000011435 rock Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides a heat dissipation carbon brush for electric tool. The heat dissipation carbon brush for electric tool includes the mount, the carbon brush is held, the carbon brush, complementary unit and rocking mechanism, the carbon brush is held and is established to a plurality of groups, and a plurality of carbon brushes are held the equidistance and are distributed in the top edge of mount, the spout has been seted up on the lateral wall of carbon brush and hold, the carbon brush is held there is the heating panel through spout fixed mounting, the inside that the carbon brush was held is arranged in to the carbon brush, complementary unit is including solid fixed cylinder, the briquetting, piston and straw, gu fixed cylinder fixed mounting is at the top of mount, briquetting sliding connection is in the inside of solid fixed cylinder, the one end that gu fixed cylinder was kept away from to the briquetting and the bottom fixed connection that the carbon brush was held, piston sliding connection is on the inner wall of solid fixed cylinder. The utility model provides a heat dissipation carbon brush for electric tool has can dispel the heat fast to the carbon brush, improves carbon brush radiating efficiency and life's advantage.
Description
Technical Field
The utility model relates to a carbon brush subassembly technical field especially relates to a heat dissipation carbon brush for electric tool.
Background
Carbon brushes, also called brushes, are widely used as a sliding contact in many electrical appliances, as are devices for transmitting energy or signals between a stationary part and a rotating part of an electric motor or generator or other rotating machine, which are easily worn, are regularly maintained and replaced, and are cleaned of carbon deposits, since the main component is carbon.
The carbon brush can be rubbed when the motor rotor rotates, so that the local temperature of the carbon brush is too high, and the carbon brush can be damaged for a long time.
Therefore, it is necessary to provide a heat-dissipating carbon brush for an electric power tool to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a can dispel the heat fast to the carbon brush, improve carbon brush radiating efficiency and life's electric tool is with heat dissipation carbon brush.
In order to solve the technical problem, the utility model provides a heat dissipation carbon brush for electric tool includes: a fixed mount; the carbon brush holders are arranged into a plurality of groups, the carbon brush holders are distributed at the edge of the top of the fixing frame at equal intervals, sliding grooves are formed in the side walls of the carbon brush holders, and the carbon brush holders are fixedly provided with heat dissipation plates through the sliding grooves; the carbon brush is arranged inside the carbon brush holder; the auxiliary mechanism comprises a fixed cylinder, a pressing block, a piston and a suction pipe, the fixed cylinder is fixedly arranged at the top of the fixed frame, the pressing block is connected inside the fixed cylinder in a sliding manner, one end, far away from the fixed cylinder, of the pressing block is fixedly connected with the bottom of the carbon brush holder, the piston is connected on the inner wall of the fixed cylinder in a sliding manner, one end, placed inside the fixed cylinder, of the pressing block is fixedly connected with the top of the piston, one end of the suction pipe is fixedly connected with the side wall, close to the bottom, of the fixed cylinder, the other end of the suction pipe is fixedly connected with the bottom of the heat dissipation plate, and an air valve; and the shaking mechanism is arranged on the heat dissipation plate.
Preferably, it includes telescopic link, first spring, fixed plate and push pedal to rock the mechanism, fixed plate fixed mounting is at the top of mount, telescopic link sliding connection is on the lateral wall of heating panel, the inside one end fixed connection of heating panel is arranged in to push pedal and telescopic link, the lateral wall fixed connection of the outside one end of heating panel and fixed plate is arranged in to the telescopic link, first spring concatenates on the outer wall of telescopic link.
Preferably, the bottom of the piston is fixedly connected with a second spring, and the bottom of the second spring, which is far away from the piston, is fixedly connected with the inner bottom wall of the fixed cylinder.
Preferably, a sealing sleeve is fixedly installed at the joint of the suction pipe, the heat dissipation plate and the fixed cylinder, and a sealing sleeve is fixedly installed at the joint of the telescopic rod and the heat dissipation plate.
Preferably, the side wall of the heat dissipation plate, which is arranged inside the carbon brush holder sliding groove, is coated with silicone grease.
Preferably, one end of the first spring is fixedly connected with the side wall of the fixing plate, and the other end of the first spring is fixedly connected with the rod wall of the telescopic rod close to the heat dissipation plate.
Compared with the prior art, the utility model provides a heat dissipation carbon brush for electric tool has following beneficial effect:
the utility model provides a heat dissipation carbon brush for electric tool, at the inside cold water that dashes into of heating panel, put into the carbon brush with the carbon brush and hold inside, the carbon brush can become hot by the friction and transmit the heat to the heating panel, in the heating panel that has the cold water to deposit with dispel the heat, when tool work messenger motor friction carbon brush, the carbon brush can drive the carbon brush and hold vibrations, thereby make complementary unit constantly take out the inside water of heating panel and recharge, make the cooling water cool off with higher speed and improve the radiating efficiency, it can make the inside water of heating panel rock with higher speed to rock the mechanism, improve the flow speed of water, improve the radiating efficiency.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of a heat-dissipating carbon brush for an electric tool according to the present invention;
FIG. 2 is a schematic view of the carbon brush holder shown in FIG. 1;
FIG. 3 is a schematic view of the auxiliary mechanism shown in FIG. 1;
fig. 4 is a schematic structural view of the shaking mechanism shown in fig. 1.
Reference numbers in the figures: 1. carbon brush, 2, fixed frame, 3, carbon brush holder, 4, heat dissipation plate, 5, auxiliary mechanism, 51, fixed cylinder, 52, pressing block, 53, piston, 54, suction pipe, 6, shaking mechanism, 61, telescopic rod, 62, first spring, 63, fixed plate, 64, push plate, 7, sealing sleeve, 8, second spring, 9 and valve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural view of a heat dissipation carbon brush for an electric tool according to a preferred embodiment of the present invention; FIG. 2 is a schematic view of the carbon brush holder shown in FIG. 1; FIG. 3 is a schematic view of the auxiliary mechanism shown in FIG. 1; fig. 4 is a schematic structural view of the shaking mechanism shown in fig. 1. The heat dissipation carbon brush for electric tool includes: mount 2, carbon brush hold 3, complementary unit 5 and rock mechanism 6, and carbon brush hold 3 establishes to a plurality of groups, and a plurality of carbon brush hold 3 equidistance and distribute at the top edge of mount 2, has seted up the spout on the lateral wall of carbon brush hold 3, and carbon brush hold 3 has heating panel 4 through spout fixed mounting, and carbon brush 1 arranges the inside of carbon brush hold 3 in, rocks mechanism 6 and installs on heating panel 4.
In a specific implementation process, as shown in fig. 2 and 3, the auxiliary mechanism 5 includes a fixed cylinder 51, a pressing block 52, a piston 53 and a suction pipe 54, the fixed cylinder 51 is fixedly installed at the top of the fixed frame 2, the pressing block 52 is slidably connected inside the fixed cylinder 51, one end of the pressing block 52 far away from the fixed cylinder 51 is fixedly connected with the bottom of the carbon brush holder 3, the piston 53 is slidably connected on the inner wall of the fixed cylinder 51, one end of the pressing block 52 placed inside the fixed cylinder 51 is fixedly connected with the top of the piston 53, one end of the suction pipe 54 is fixedly connected with the side wall of the fixed cylinder 1 close to the bottom, the other end of the suction pipe 54 is fixedly connected with the bottom of the heat dissipation plate 4, and the top of the.
The bottom of the piston 53 is fixedly connected with a second spring 8, and the bottom of the second spring 8 far away from the piston 53 is fixedly connected with the inner bottom wall of the fixed cylinder 51.
It should be noted that: the rotor of motor rotates friction carbon brush 1 and can make carbon brush 1 shake, carbon brush 1 then can drive carbon brush holder 3 vibrations, carbon brush holder 3 can push about the vibrations from top to bottom rather than bottom fixed connection's briquetting 52, make briquetting 52 reciprocate in fixed cylinder 51 inside, and drive piston 53 and reciprocate, thereby it is inside to inhale fixed cylinder 51 with the inside water of heating panel 4 through straw 54, extrude inside heating panel 4 again, thereby it improves the radiating efficiency to accelerate the cooling rate of water, and second spring 8 can constantly contract and stretch the speed of reciprocating of accelerating piston 53, thereby improve the back and forth extraction speed of water, thereby further improve cooling efficiency.
Referring to fig. 2 and 4, the shaking mechanism 6 includes an expansion link 61, a first spring 62, a fixing plate 63 and a push plate 64, the fixing plate 63 is fixedly mounted on the top of the fixing frame 2, the expansion link 61 is slidably connected to the side wall of the heat dissipation plate 4, the push plate 64 and the expansion link 61 are fixedly connected to the end inside the heat dissipation plate 4, the end of the expansion link 61 outside the heat dissipation plate 4 is fixedly connected to the side wall of the fixing plate 63, and the first spring 62 is connected in series to the outer wall of the expansion link 61.
One end of the first spring 62 is fixedly connected to the side wall of the fixing plate 63, and the other end of the first spring 62 is fixedly connected to the rod wall of the telescopic rod 61 close to the heat dissipation plate 4.
It should be noted that: can drive and move about rather than the telescopic link 61 of being connected when rocking about carbon brush holder 3 to make first spring 62 constantly flexible, first spring 62 then can drive telescopic link 62 constantly bounce-back and remove, thereby drive the push pedal 64 rather than fixed connection and constantly remove in heating panel 4 inside, promote the inside cold water of heating panel 4, improve the flow velocity of water, thereby improve the radiating efficiency.
Referring to fig. 2, a sealing sleeve 7 is fixedly mounted at the joint of the suction pipe 54 and the heat dissipation plate 4 and the fixed cylinder 51, and a sealing sleeve 7 is fixedly mounted at the joint of the telescopic rod 61 and the heat dissipation plate 4, so that the sealing property of the heat dissipation plate 4 can be improved by the sealing sleeve 7, and the heat dissipation plate 4 is prevented from leaking water.
Referring to fig. 2, the side wall of the heat dissipation plate 4 inside the sliding groove of the carbon brush holder 3 is coated with silicone grease, so that the contact strength between the heat dissipation plate 4 and the carbon brush 1 can be improved through the silicone grease, no gap is generated, the heat exchange efficiency is improved, and the heat dissipation efficiency is improved.
The utility model provides an electric tool is with heat dissipation carbon brush's theory of operation as follows:
cold water is flushed into the heat dissipation plate 4, the carbon brush 1 is placed into the carbon brush holder 3, the carbon brush 1 is heated by friction and transfers heat to the heat dissipation plate 4, the heat dissipation plate 4 stored with the cold water is neutralized for heat dissipation, the carbon brush 1 can be vibrated by rotating the rotor of the motor to drive the carbon brush 1, the carbon brush holder 3 can be driven to vibrate by the carbon brush 1, the carbon brush holder 3 can vertically extrude a pressing block 52 fixedly connected with the bottom of the carbon brush holder 3 when vertically vibrating, the pressing block 52 can vertically move in a fixed cylinder 51 and drive a piston 53 to vertically move, so that water in the heat dissipation plate 4 is sucked into the fixed cylinder 51 through a suction pipe 54 and then is extruded back into the heat dissipation plate 4, the cooling speed of the water is increased, the heat dissipation efficiency is increased, the second spring 8 can continuously contract and expand to increase the vertical movement speed of the piston 53, the back-and-forth extraction speed of the water is increased, the cooling effect is further increased, and the carbon brush holder 3 can, thereby make first spring 62 constantly flexible, first spring 62 then can drive the continuous bounce-back removal of telescopic link 62 to drive the push pedal 64 rather than fixed connection and constantly move in the inside of heating panel 4, promote the inside cold water of heating panel 4, improve the flow velocity of water, thereby improve the radiating efficiency and the life of carbon brush 1.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a heat dissipation carbon brush for electric tool which characterized in that includes:
a fixed frame (2);
the carbon brush holders (3) are arranged into a plurality of groups, the carbon brush holders (3) are distributed at the edge of the top of the fixing frame (2) at equal intervals, sliding grooves are formed in the side walls of the carbon brush holders (3), and the carbon brush holders (3) are fixedly provided with heat dissipation plates (4) through the sliding grooves;
the carbon brush (1), the said carbon brush (1) is placed inside the carbon brush holder (3);
an auxiliary mechanism (5), wherein the auxiliary mechanism (5) comprises a fixed cylinder (51), a pressing block (52), a piston (53) and a suction pipe (54), the fixed cylinder (51) is fixedly arranged at the top of the fixed frame (2), the press block (52) is connected in the fixed cylinder (51) in a sliding way, one end of the pressing block (52) far away from the fixed cylinder (51) is fixedly connected with the bottom of the carbon brush holder (3), the piston (53) is connected to the inner wall of the fixed cylinder (51) in a sliding manner, one end of the pressing block (52) arranged in the fixed cylinder (51) is fixedly connected with the top of the piston (53), one end of the suction pipe (54) is fixedly connected with the side wall of the fixed cylinder (51) close to the bottom, the other end of the suction pipe (54) is fixedly connected with the bottom of the heat dissipation plate (4), and an air valve (9) is fixedly installed at the top of the fixed cylinder (51);
and the shaking mechanism (6), wherein the shaking mechanism (6) is installed on the heat dissipation plate (4).
2. The heat-dissipating carbon brush for the electric tool according to claim 1, wherein the shaking mechanism (6) includes a telescopic rod (61), a first spring (62), a fixing plate (63) and a push plate (64), the fixing plate (63) is fixedly mounted on the top of the fixing frame (2), the telescopic rod (61) is slidably connected to the side wall of the heat-dissipating plate (4), the push plate (64) and the telescopic rod (61) are fixedly connected to one end of the heat-dissipating plate (4) inside, the telescopic rod (61) is fixedly connected to one end of the heat-dissipating plate (4) outside, the side wall of the fixing plate (63) side, and the first spring (62) is serially connected to the outer wall of the telescopic rod (61).
3. The heat-dissipating carbon brush for a power tool according to claim 1, wherein a second spring (8) is fixedly connected to a bottom of the piston (53), and a bottom of the second spring (8) away from the piston (53) is fixedly connected to an inner bottom wall of the fixed cylinder (51).
4. The heat-dissipating carbon brush for the power tool according to claim 2, wherein a sealing sleeve (7) is fixedly mounted at a joint of the suction pipe (54) and the heat-dissipating plate (4) and the fixed cylinder (51), and the sealing sleeve (7) is fixedly mounted at a joint of the telescopic rod (61) and the heat-dissipating plate (4).
5. The heat-dissipating carbon brush for a power tool according to claim 1, wherein a side wall of the heat-dissipating plate (4) disposed inside a sliding groove of the carbon brush holder (3) is coated with silicone grease.
6. The heat-dissipating carbon brush for a power tool according to claim 2, wherein one end of the first spring (62) is fixedly connected to a side wall of the fixing plate (63), and the other end of the first spring (62) is fixedly connected to a rod wall of the expansion rod (61) adjacent to the heat-dissipating plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922185493.1U CN211208852U (en) | 2019-12-09 | 2019-12-09 | Heat dissipation carbon brush for electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922185493.1U CN211208852U (en) | 2019-12-09 | 2019-12-09 | Heat dissipation carbon brush for electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211208852U true CN211208852U (en) | 2020-08-07 |
Family
ID=71888070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922185493.1U Expired - Fee Related CN211208852U (en) | 2019-12-09 | 2019-12-09 | Heat dissipation carbon brush for electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211208852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113572310A (en) * | 2021-07-27 | 2021-10-29 | 绍兴市上虞恒华电机有限公司 | Brush holder for rotating motor |
-
2019
- 2019-12-09 CN CN201922185493.1U patent/CN211208852U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113572310A (en) * | 2021-07-27 | 2021-10-29 | 绍兴市上虞恒华电机有限公司 | Brush holder for rotating motor |
| CN113572310B (en) * | 2021-07-27 | 2022-03-01 | 绍兴市上虞恒华电机有限公司 | Brush holder for rotating motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200807 |