CN205004865U - Food preparation machine and motor element and carbon brush for electric machine box subassembly thereof - Google Patents
Food preparation machine and motor element and carbon brush for electric machine box subassembly thereof Download PDFInfo
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- CN205004865U CN205004865U CN201520692595.1U CN201520692595U CN205004865U CN 205004865 U CN205004865 U CN 205004865U CN 201520692595 U CN201520692595 U CN 201520692595U CN 205004865 U CN205004865 U CN 205004865U
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- Prior art keywords
- brush
- electric machine
- carbon brush
- carbon
- case assembly
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 129
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 127
- 235000013305 food Nutrition 0.000 title claims abstract description 11
- 239000000428 dust Substances 0.000 claims abstract description 57
- 230000004308 accommodation Effects 0.000 claims abstract description 47
- 244000185238 Lophostemon confertus Species 0.000 claims abstract description 46
- 235000010469 Glycine max Nutrition 0.000 claims description 3
- 244000068988 Glycine max Species 0.000 claims description 3
- 235000013336 milk Nutrition 0.000 claims description 3
- 239000008267 milk Substances 0.000 claims description 3
- 210000004080 milk Anatomy 0.000 claims description 3
- 238000010411 cooking Methods 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 17
- 229910052802 copper Inorganic materials 0.000 description 17
- 239000010949 copper Substances 0.000 description 17
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 235000013322 soy milk Nutrition 0.000 description 1
Landscapes
- Motor Or Generator Current Collectors (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a food preparation machine and motor element and carbon brush for electric machine box subassembly thereof. Carbon brush for electric machine box subassembly includes brush -box, carbon brush and brush pigtail, the portion of holding that is equipped with central through hole, enclosure on the brush -box and is used for holding the carbon brush. The portion of holding is equipped with the accommodation hole that accesss to the central through hole, and the carbon brush holds in the accommodation hole and one end exposes in the central through hole, and the brush pigtail is connected in the carbon brush. Be equipped with the collection device that can collect the carbon dust on the inner wall of enclosure, especially follow the convex gusset in inner wall surface of enclosure. Through set up the collection device that can collect the carbon dust on the inner wall of enclosure, be favorable to the carbon dust entrapment on the enclosure inner wall to with whole the sealing inside the brush box of carbon dust that the motor produced, make the electrified part of carbon dust and motor to keep apart completely, thereby get rid of the carbon dust to the overpressure resistant influence of motor.
Description
Technical field
The utility model relates to food processor, is specifically related to the electric machine assembly of food processor.
Background technology
Existing motor for soymilk machine, in order to arrive certain pulverizing requirement, motor speed is improved 20%-40%, cause the carbon brush abrasion quantitative change of motor large, carbon dust is many, and existing motor brush box structure adopts torsion spring structure, carbon brush brush pigtail is from the outlet of carbon brush side, brush pigtail from brush box by linking with terminal, copper sheathing side has a unlimited breach, and copper sheathing and brush box are excessive cooperations, move radially to prevent copper sheathing, copper sheathing is provided with back-off, like this will be porose on brush box, copper sheathing passing hole is connected with the space of brush box inside, handpiece of soybean milk machine inside is full-closed structure, carbon dust cannot be got rid of, all be distributed on motor, cause motor in use for some time, accumulation due to carbon dust causes the live part of motor brush box inside (as copper sheathing, brush pigtail, terminal) with above-mentioned breach or hole for starting point and motor housing conducting, motor will be caused withstand voltage bad.
Utility model content
The purpose of this utility model is to provide a kind of carbon brush for electric machine case assembly, and it can stop carbon dust to fly out effectively, thus improves the resistance to pressure of motor.
For achieving the above object, the utility model provides a kind of carbon brush for electric machine case assembly, described carbon brush for electric machine case assembly comprises brush-box, carbon brush and brush pigtail, described brush-box is provided with central through hole, enclosure wall and the accommodation section for holding carbon brush, described accommodation section is provided with the accommodation hole leading to described central through hole, described carbon brush is contained in described accommodation hole and one end is exposed to described central through hole, described brush pigtail is connected to described carbon brush, and the inwall of wherein said enclosure wall is provided with the gathering-device can collecting carbon dust.By arranging the gathering-device can collecting carbon dust on the inwall of enclosure wall, being conducive to carbon dust being captured on enclosure wall inwall, greatly reducing the amount of carbon dust toward outward leakage.
In one preferred embodiment, described gathering-device is the gusset protruded from the inner wall surface of described enclosure wall.Enclosure wall arranges gusset to be conducive to by carbon dust collecting in enclosure wall, and be especially collected in the dead angle that gusset formed, the carbon dust be collected cannot fly out from dead angle, greatly reduces the amount of carbon dust toward outward leakage.
Alternatively, described enclosure wall is single enclosure wall; Or described enclosure wall is made up of spaced outer enclosure wall and interior enclosure wall, described gathering-device is the gusset protruded from the inner wall surface of described interior enclosure wall.Arrange inside and outside enclosure wall, and on interior enclosure wall, arrange gusset be conducive to by carbon dust collecting in interior enclosure wall, be especially collected in the dead angle that gusset formed, the carbon dust be collected cannot fly out from dead angle, greatly reduces the amount of carbon dust toward outward leakage.
In one preferred embodiment, the angle formed between the side of described gusset and the central axis of described central through hole is 0-30 degree; And/or described gusset is arc gusset.The side of this gusset and central through hole tangential between form certain angle, be conducive to making the carbon dust in moving strike the side of gusset and rest on gusset, on the dead angle that especially gusset and enclosure wall are formed, the efficiency of therefore catching carbon dust is higher.
In one preferred embodiment, upper surface both sides and the lower surface both sides of described accommodation section are equipped with groove, and each described groove extends to the other end of described accommodation section from an end face of described accommodation section.Each groove carbon dust path capable of blocking, makes carbon dust to be fitted in trenched side-wall, and the path that carbon dust like this is formed disconnects.
Preferably, the width of described groove is 0.5 ~ 2mm, and the degree of depth is 0.5 ~ 2mm.Under this degree of depth and width, the path being conducive to most carbon dust is formed disconnects.
In one preferred embodiment, the upper surface of described accommodation section and the lower surface of described accommodation section integrally extend a baffle plate respectively, the central axis upright of described baffle plate and described accommodation hole.Baffle plate can block the carbon dust flown out from the upper and lower surface of accommodation section, reduces the amount of carbon dust outward leakage further.
In one preferred embodiment, described carbon brush for electric machine case assembly is provided with spring, power connecting sheet and slotting spring further, one end of described spring is connected to the other end of described carbon brush, and the other end of described spring is connected to described power connecting sheet, and described power connecting sheet is electrically connected with described brush pigtail and described slotting spring simultaneously.This be furnished with to be beneficial to reduce the distribution of live part, live part is concentrated on brush box outside, carbon dust collecting is inner at brush box.
The utility model additionally provides a kind of electric machine assembly, described electric machine assembly comprises motor and motor housing, described motor is contained in described motor housing, the carbon brush for electric machine case assembly that described electric machine assembly is above-mentioned further, described carbon brush for electric machine case assembly is placed on the commutator of described motor, thus the carbon brush of described carbon brush for electric machine case assembly is contacted with the outer surface of described commutator.
The utility model further provides a kind of food processor, and described food processor is soy bean milk making machine or cooking machine, and wherein said food processor comprises above-mentioned electric machine assembly.
Brush-box assembly of the present utility model arranges enclosure wall in brush box, and the carbon powder collecting device of such as gusset is set at the inwall of enclosure wall, by carbon dust collecting on the inwall of enclosure wall, thus the amount that carbon dust flies out can be reduced, significantly reduce the electric leakage risk that motor in use increases along with the wearing and tearing of carbon brush.In addition, brush box is provided with groove carbon dust path capable of blocking, and carbon dust cannot be fitted in trenched side-wall, and the path that carbon dust is formed disconnects, thus reduces the probability of the withstand voltage inefficacy of motor.In addition, by adopting the structures such as above-mentioned spring and power connecting sheet, carbon brush for electric machine brush pigtail is moved on in copper sheathing from brush box, copper sheathing, brush pigtail, spring are all wrapped in plastics brush box inside, cancel terminal, adopt lead-in wire plug structure, like this live part is all concentrated on brush box outside, such carbon dust just can separate with live part.
Accompanying drawing explanation
Fig. 1 is the stereogram of the brush-box for carbon brush for electric machine case assembly according to the first embodiment of the present utility model.
Fig. 2 is the cutaway view of the electric machine assembly of the brush-box being provided with Fig. 1.
Fig. 3 is the enlarged drawing of part A in Fig. 2.
Fig. 4 is the stereogram of the brush-box for carbon brush for electric machine case assembly according to the second embodiment of the present utility model.
Embodiment
Below with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail, understands the purpose of this utility model, feature and advantage so that clearer.It should be understood that embodiment shown in the drawings is not the restriction to the utility model scope, and the connotation just in order to technical solutions of the utility model are described.Herein, upper and lower, inside and outsidely etc. represent that the term in orientation refers to the relative bearing of each position in drawing.
Fig. 1 is the stereogram of the brush-box 1 for carbon brush for electric machine case assembly according to the first embodiment of the present utility model.Brush-box 1 is provided with base plate 11, interior enclosure wall 12, outer enclosure wall 13 and two for holding the accommodation section 14 of carbon brush, and wherein base plate 11 is provided with circular central through hole 111, and central through hole 111 passes for the commutator of power supply machine, hereafter will further describe.Interior enclosure wall 12 and outer enclosure wall 13 all extend from the surface of base plate and around central through hole 111.Interior enclosure wall 12 and outer enclosure wall 13 are spaced from each other and have certain difference in height.Preferably, interior enclosure wall 12 height and the height difference of outer enclosure wall 13 are within 0 ~ 2mm.In the side towards central through hole 111 of interior enclosure wall 12, namely inwall is provided with the multiple gussets 121 protruded to central through hole 111 radial direction.Interior enclosure wall 12 inner space has been divided into several little spaces by gusset 121, which increase a large amount of dead angles, the on-stream carbon dust blowing to brush box direction of motor is stayed in dead angle with regard to there being very large probability, can not fly out again, so just the carbon dust overwhelming majority is collected in interior enclosure wall 12 inner.Gusset 121 has certain length on the direction of central axis being parallel to central through hole 111, and the height of this length and inner-outer wall 12 is basically identical.Because gusset 121 protrudes towards central through hole 111 radial direction, thus when electric machine rotation, side 121a or 121b of gusset 121 is substantially vertical with the direction of motion (namely central through hole is tangential) of carbon dust, namely substantially parallel with the central axis of central through hole, thus be conducive to carbon dust to be captured on gusset 121.Preferably, each gusset 121 uniform intervals is distributed in the both sides of carbon brush accommodation section 14.Here, the side of gusset refers to the crossing with the inwall of interior enclosure wall of gusset and towards the surface of another gusset (or towards accommodation section).
It is to be noted, each gusset 121 also can be arranged so that its side becomes other angle outside 90 degree with the direction of motion of carbon dust, angle such as between 60-90 degree, namely the angle formed between the side of gusset and the central axis of central through hole is 0-30 degree, equally also can play the object of trapping carbon dust.Gusset also can by being arranged on the inwall of interior enclosure wall 12, and other version that can trap carbon dust substitutes.Such as, be arranged at the pit (not shown) on the inwall of interior enclosure wall, or the combination of pit and gusset, or electrostatic adsorption device.In addition, gusset 121 also can be arc gusset, and arcuate shape is conducive to trapping carbon dust better.
Two accommodation sections 14 are diametrically arranged on the both sides of central through hole 12.Accommodation section 14 is provided with the accommodation hole 141 leading to central through hole 111, thus carbon brush to be contained in accommodation hole 141 and one end is exposed to central through hole 111 when assembling.The shape of cross section of accommodation hole 141 can be arranged according to the carbon brush that will hold.In the present embodiment, the shape of cross section of accommodation hole 14 is roughly cross.Upper surface 147 both sides of accommodation section 14 are provided with groove 142, and each groove 142 extends to the other end 145 of accommodation section 14 from an end face 144 of accommodation section 14.Groove 142 has certain depth and width, thus can collect carbon dust in groove.Preferably, the width of groove 142 is 0.5 ~ 2mm, and the degree of depth is 0.5 ~ 2mm.Because the withstand voltage inefficacy of motor is normally because carbon dust spills the charged position of brush box, when brush box is connected with motor case, the shortest path that carbon dust spills just has to pass through groove 142, even if therefore there is part carbon dust to fly to outside enclosure wall 12, also can stay bottom brush box surface and groove 142, substantially can not enter the sidewall of groove 142, such groove 142 is just equivalent to cut off the path of carbon dust in brush box inside, thus reduces the probability of the withstand voltage inefficacy of motor.Accommodation section is upper and lower symmetrical structure, the lower surface of accommodation section is also provided with identical groove (not shown), is not described in detail in this.
Upper surface 147 in accommodation section 14 also upwards integrally extends a baffle plate 143, and baffle plate 143 is transverse to groove 142.Preferably, baffle plate 143 is perpendicular to groove 142, and namely baffle plate 143 is perpendicular to the central axis of accommodation hole.The two ends of baffle plate 143 are concordant with inner side (namely near the side at the middle part of the accommodation section) edge of groove 142.This baffle plate 143 can reduce the amount that carbon dust leaks outside further.Similarly, the lower surface in accommodation section also integrally extends an identical baffle plate, is not described in detail in this.
Between the end face 145 and baffle plate 143 of accommodation section 14, accommodation section 14 is also provided with the motor down-lead hole 146 running through accommodation section, and motor down-lead hole 146 is for holding slotting spring 7(as shown in Figure 3), insert spring 7 and be electrically connected on motor down-lead 92, hereafter will further describe.
Fig. 2-3 illustrates that carbon brush for electric machine case assembly of the present utility model is installed on motor and forms the cutaway view of electric machine assembly.As Figure 2-3, electric machine assembly comprises motor 9, motor housing 10 and carbon brush for electric machine case assembly 100, wherein motor 9 is contained in motor housing 10, and carbon brush for electric machine case assembly 100 is placed on the commutator 91 of motor 9, thus the carbon brush 2 of carbon brush for electric machine case assembly is contacted with the outer surface of commutator 91.Here, except the carbon brush for electric machine case assembly 100 of the application, the remaining part of electric machine assembly can adopt any suitable structure known in the art or leaved for development, is not described in detail in this.
As Fig. 3 institute clearlyer illustrates, carbon brush for electric machine case assembly 100 comprises brush-box 1, carbon brush 2, brush pigtail 3, power connecting sheet 4, copper sheathing 5, spring 6 and slotting spring 7, wherein carbon brush 2 is contained in copper sheathing 5, and copper sheathing 5 is contained in the accommodation hole 141 of brush-box 1, thus carbon brush 2 is arranged in accommodation hole 141.Copper sheathing has had the shape of rule, and make copper sheathing can bear certain extruding and can not be out of shape, such copper sheathing and brush box just can adopt interference fit.One end of brush pigtail 3 is by being such as welded to connect in carbon brush 2, and the other end is connected to power connecting sheet 4.The structure of brush pigtail 3 can adopt any suitable structure known in the art, is not described in detail in this.Power connecting sheet 4 is circular power connecting sheet.The diameter of power connecting sheet 4 is greater than the diameter of spring 6.One end of spring 6 is connected to the other end of carbon brush 2, and the other end of spring 6 is connected to power connecting sheet 4.Under elastic force effect, make power connecting sheet 4 be close to the slotting spring 7 of motor down-lead 92, thus power connecting sheet 4 is electrically connected simultaneously with brush pigtail 2 and slotting spring 7.Thus, can terminal be cancelled, reduce by a live part in brush box inside.Insert spring 7 insert the motor down-lead hole 146 of brush-box 1 and be electrically connected with motor down-lead 92.
It is pointed out that according to actual needs, the shape of power connecting sheet 4 may not be circular, such as, can be other shape such as square, oval, as long as the shape of cross section of itself and carbon brush and spring matches.
Fig. 4 illustrates the stereogram of the brush-box 1 ' for carbon brush for electric machine case assembly according to the second embodiment of the present utility model.As shown in Figure 4, in the present embodiment, brush-box 1 ' is only provided with a corral wall 12 ', and namely the enclosure wall of brush-box is single enclosure wall.The interior wall construction of enclosure wall 12 ' is identical with the interior wall construction of the interior enclosure wall 12 of the first embodiment, also gusset 121 ' is provided with, the side 121a ' of gusset is basic vertical with the direction of motion of carbon dust with 121b ' or become suitable angle, and such as 60-90 degree, is not described in detail in this.Except enclosure wall, other structure of the carbon brush for electric machine case assembly of the present embodiment, the accommodation section of such as brush-box, carbon brush, brush pigtail, power connecting sheet, copper sheathing, spring and slotting spring are all identical with the embodiment shown in Fig. 1-3, are not described in detail in this.
Brush-box assembly of the present utility model arranges enclosure wall in brush box, and the carbon powder collecting device of such as gusset is set at the inwall of enclosure wall, by carbon dust collecting on the inwall of enclosure wall, thus the amount that carbon dust flies out can be reduced, significantly reduce the electric leakage risk that motor in use increases along with the wearing and tearing of carbon brush.In addition, brush box is provided with groove carbon dust path capable of blocking, and carbon dust cannot be fitted in trenched side-wall, and the path that carbon dust is formed disconnects, thus reduces the probability of the withstand voltage inefficacy of motor.In addition, by adopting the structures such as above-mentioned spring and power connecting sheet, carbon brush for electric machine brush pigtail is moved on in copper sheathing from brush box, copper sheathing, brush pigtail, spring are all wrapped in plastics brush box inside, cancel terminal, adopt lead-in wire plug structure, like this live part is all concentrated on brush box outside, such carbon dust just can separate with live part.
Below described preferred embodiment of the present utility model in detail, but it will be appreciated that, after having read above-mentioned instruction content of the present utility model, those skilled in the art can make various changes or modifications the utility model.These equivalent form of values fall within the application's appended claims limited range equally.
Claims (10)
1. a carbon brush for electric machine case assembly, described carbon brush for electric machine case assembly comprises brush-box, carbon brush and brush pigtail, described brush-box is provided with central through hole, enclosure wall and the accommodation section for holding carbon brush, described accommodation section is provided with the accommodation hole leading to described central through hole, described carbon brush is contained in described accommodation hole and one end is exposed to described central through hole, described brush pigtail is connected to described carbon brush, it is characterized in that: the inwall of described enclosure wall is provided with the gathering-device can collecting carbon dust.
2. carbon brush for electric machine case assembly according to claim 1, is characterized in that: described gathering-device is the gusset protruded from the inner wall surface of described enclosure wall.
3. carbon brush for electric machine case assembly according to claim 2, is characterized in that: described enclosure wall is single enclosure wall; Or described enclosure wall is made up of spaced outer enclosure wall and interior enclosure wall, described gathering-device is the gusset protruded from the inner wall surface of described interior enclosure wall.
4. carbon brush for electric machine case assembly according to claim 3, is characterized in that: the angle formed between the side of described gusset and the central axis of described central through hole is 0-30 degree; And/or described gusset is arc gusset.
5. carbon brush for electric machine case assembly according to claim 1, is characterized in that: upper surface both sides and the lower surface both sides of described accommodation section are equipped with groove, and each described groove extends to the other end of described accommodation section from an end face of described accommodation section.
6. carbon brush for electric machine case assembly according to claim 5, is characterized in that: the width of described groove is 0.5 ~ 2mm, and the degree of depth is 0.5 ~ 2mm.
7. carbon brush for electric machine case assembly according to claim 1, is characterized in that: the upper surface of described accommodation section and the lower surface of described accommodation section integrally extend a baffle plate respectively, the central axis upright of described baffle plate and described accommodation hole.
8. carbon brush for electric machine case assembly according to claim 1, it is characterized in that: described carbon brush for electric machine case assembly is provided with spring, power connecting sheet and slotting spring further, one end of described spring is connected to the other end of described carbon brush, the other end of described spring is connected to described power connecting sheet, and described power connecting sheet is electrically connected with described brush pigtail and described slotting spring simultaneously.
9. an electric machine assembly, described electric machine assembly comprises motor and motor housing, described motor is contained in described motor housing, it is characterized in that, described electric machine assembly comprises the carbon brush for electric machine case assembly described in any one of claim 1-8 further, described carbon brush for electric machine case assembly is placed on the commutator of described motor, thus the carbon brush of described carbon brush for electric machine case assembly is contacted with the outer surface of described commutator.
10. a food processor, described food processor is soy bean milk making machine or cooking machine, it is characterized in that, described food processor comprises electric machine assembly according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520692595.1U CN205004865U (en) | 2015-09-09 | 2015-09-09 | Food preparation machine and motor element and carbon brush for electric machine box subassembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520692595.1U CN205004865U (en) | 2015-09-09 | 2015-09-09 | Food preparation machine and motor element and carbon brush for electric machine box subassembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205004865U true CN205004865U (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520692595.1U Active CN205004865U (en) | 2015-09-09 | 2015-09-09 | Food preparation machine and motor element and carbon brush for electric machine box subassembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205004865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110301087A (en) * | 2017-02-16 | 2019-10-01 | 申克碳科技有限公司 | Brush module |
-
2015
- 2015-09-09 CN CN201520692595.1U patent/CN205004865U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110301087A (en) * | 2017-02-16 | 2019-10-01 | 申克碳科技有限公司 | Brush module |
| CN110301087B (en) * | 2017-02-16 | 2021-08-20 | 申克碳科技有限公司 | Electric brush module |
| US11146151B2 (en) | 2017-02-16 | 2021-10-12 | Schunk Carbon Technology Gmbh | Brush module |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |