CN220254260U - Long-life miniature brush direct current motor structure - Google Patents
Long-life miniature brush direct current motor structure Download PDFInfo
- Publication number
- CN220254260U CN220254260U CN202321757233.7U CN202321757233U CN220254260U CN 220254260 U CN220254260 U CN 220254260U CN 202321757233 U CN202321757233 U CN 202321757233U CN 220254260 U CN220254260 U CN 220254260U
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- China
- Prior art keywords
- carbon brush
- terminal
- hole
- seat
- groove
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 153
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 133
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 21
- 239000010439 graphite Substances 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims abstract description 8
- 244000185238 Lophostemon confertus Species 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 12
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
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- Motor Or Generator Current Collectors (AREA)
Abstract
The utility model provides a long-life miniature brush direct current motor structure, which comprises a carbon brush seat assembly and a shell, wherein a terminal installation block is arranged on the outer side of the carbon brush seat, a rotating shaft through hole is formed in the middle of the carbon brush seat, a terminal through hole, a limiting groove, a clamping groove and a wire placing groove are formed in the terminal installation block, a connecting terminal comprises a terminal body, limiting bosses and clamping bosses, the terminal body is arranged in the terminal through hole in a penetrating mode, the limiting bosses are fixed on the left side and the right side of the terminal body, the clamping bosses are fixed on the inner side of the terminal body, the carbon brush assembly is fixed on a carbon brush seat, a connecting lead is arranged on the carbon brush assembly, one end of the connecting lead penetrates through one U-shaped groove, a capacitor is fixed on one side of the terminal installation block, an inductor is correspondingly arranged between the terminal installation block and the rotating shaft through hole, and the miniature brush is characterized in that the installation of the connecting lead is quicker and more convenient, the arrangement of all components in the carbon brush seat is more compact, and the miniature motor is provided with a graphite carbon brush with enough position for installation for prolonging the service life.
Description
Technical Field
The utility model relates to the field of micro motor structures, in particular to a long-service-life micro brush direct current motor structure.
Background
The motor is widely applied to various daily electrical appliances, along with the increasing requirements of people on the electrical appliances, the small and convenient electric appliances are one of the requirements of users, so that the volume of the motor in the electrical appliances is required to be continuously reduced, and for the miniature brush direct current motor, in order to install the inductor and the capacitor in the carbon brush seat of the motor as much as possible, the traditional miniature motor only can adopt the spring arm type assembled carbon brush with smaller volume, and the carbon brush strip on the spring arm type assembled carbon brush is very short, so that the service life of the motor is not long, and the requirements of customers on the long service life of the motor cannot be met, therefore, the miniature brush direct current motor structure with long service life is necessary to be manufactured, and the problems are solved.
Disclosure of Invention
The utility model aims to provide a miniature brush direct current motor structure with long service life so as to solve the problems in the background art.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides a miniature brush direct current motor structure of long-life, including carbon brush seat subassembly and casing, carbon brush seat subassembly is fixed in the casing below, carbon brush seat subassembly includes the carbon brush seat, connecting terminal, carbon brush subassembly, inductance and electric capacity, the carbon brush seat outside is equipped with terminal installation piece and middle part is equipped with the pivot through-hole, be equipped with the terminal through-hole on the terminal installation piece, the spacing groove, the terminal through-hole vertically runs through the terminal installation piece, the spacing groove corresponds the left and right sides of terminal through-hole, and with terminal through-hole intercommunication, the joint groove sets up two sets of and respectively corresponds the inboard of two sets of spacing grooves, joint groove and spacing groove intercommunication, it establishes at two sets of wire casing intercommunication respectively to put the wire casing both ends, connecting terminal includes integrated into one piece's terminal body, spacing boss and joint boss, the terminal body wears to establish in the terminal through-hole, spacing boss is fixed in the terminal body's left and right sides and bottom is contacted with two sets of spacing groove top respectively, the joint boss is fixed in the inboard of terminal body and corresponds in the joint groove, the joint boss downside is equipped with the U type groove that the opening is decurrent, the carbon brush subassembly is fixed on the carbon brush seat, carbon brush wire subassembly is equipped with the connecting wire leading wire subassembly, wherein one end is set up the connecting wire casing and is passed the terminal and is fixed at two sets of U type wire casing and is corresponding at the electric capacity and is installed at the terminal installation piece and electric capacity, the electric capacity, and is set up at the electric capacity and is connected between two sets of wire casing and the electric capacity and corresponding to the electric capacity.
Further description of the utility model: the shell is cylindrical, and the outer diameter of the shell is phi 25-40mm.
Further description of the utility model: the length of the shell is phi 28-70mm.
Further description of the utility model: and an inductance limiting block is also arranged on the carbon brush seat, and the inductance limiting block is correspondingly arranged between the inductance and the rotating shaft through hole.
Further description of the utility model: the carbon brush assembly comprises a carbon brush box, a spring and a carbon brush, wherein the carbon brush comprises a graphite carbon brush and a connecting lead, a buckle is arranged on the outer side of the carbon brush box and is buckled with a carbon brush seat, a strip-shaped hole is formed in the side face of the carbon brush box, the graphite carbon brush corresponds to the carbon brush box and is in sliding connection with the carbon brush box, the inner end of the graphite carbon brush corresponds to a through hole of a rotating shaft, the spring is fixed in the carbon brush box and corresponds to the outer side of the graphite carbon brush, and one end of the connecting lead penetrates through the strip-shaped hole and is buried at the outer end of the graphite carbon brush.
Further description of the utility model: the carbon brush seat assembly further comprises a supporting part, the supporting part is fixed below the carbon brush seat and comprises a first supporting block, a second supporting block and a terminal supporting column, the first supporting block corresponds to the left side and the right side of the carbon brush seat and is in a U shape with an inward opening, the second supporting block corresponds to the front side and the rear side of the carbon brush seat and is in a U shape with an outward opening, and the terminal supporting column corresponds to the front side and the rear side of the terminal through hole.
The beneficial effects of the utility model are as follows: traditional carbon brush lead wire needs to set up welding tongue on connecting terminal, and connecting lead wire needs to weld with welding tongue, and welding tongue and welding material occupy the space big, can't vacate longer graphite carbon brush of space installation, and in micro motor, connecting lead wire welding process is difficult to operate moreover, and this design is through setting up U type groove on connecting terminal, makes connecting lead wire can be fixed at the joint inslot through U type groove is direct, not only makes connecting lead wire's installation more swiftly convenient, has also saved the space in the carbon brush seat greatly moreover for the arrangement of each part in the carbon brush seat is compacter, also possess the sufficient position and install longer graphite carbon brush, in order to improve micro motor's life.
Drawings
FIG. 1 is an overall block diagram of the present utility model;
FIG. 2 is an overall block diagram (bottom view) of the present utility model;
FIG. 3 is a schematic view of a carbon brush holder assembly according to the present utility model;
FIG. 4 is a view showing a structure of a carbon brush holder assembly according to the present utility model (bottom view);
FIG. 5 is a top view of a carbon brush holder assembly according to the present utility model;
FIG. 6 is a top view of a carbon brush holder of the present utility model;
FIG. 7 is a block diagram (bottom view) of a carbon brush holder according to the present utility model;
fig. 8 is a structural view of a connection terminal in the present utility model;
FIG. 9 is a structural view of a carbon brush assembly according to the present utility model;
FIG. 10 is a block diagram of a brush box according to the present utility model;
FIG. 11 is a structural view of a carbon brush according to the present utility model;
reference numerals illustrate:
1. a carbon brush base assembly; 11. a carbon brush holder; 111. a terminal mounting block; 1111. a terminal through hole; 1112. a limit groove; 1113. a clamping groove; 1114. a wire placing slot; 112. a rotating shaft through hole; 113. an inductance limiting block;
12. a connection terminal; 121. a terminal body; 122. a limit boss; 123. the boss is clamped; 1231. a U-shaped groove; 13. a carbon brush assembly; 131. a carbon brush box; 1311. a buckle; 1312. a bar-shaped hole; 132. a spring; 133. a carbon brush; 1331. a graphite carbon brush; 1332. connecting leads; 14. an inductance; 15. a capacitor; 16. a support member; 161. a first support block; 162. a second support block; 163. a terminal support post; 2. a housing.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1 to 11, the carbon brush holder assembly 1 comprises a carbon brush holder assembly 1 and a shell 2, the carbon brush holder assembly 1 is fixed below the shell 2, the carbon brush holder assembly 1 comprises a carbon brush holder 11, a connecting terminal 12, a carbon brush assembly 13, an inductor 14 and a capacitor 15, a terminal installation block 111 is arranged on the outer side of the carbon brush holder 11, a rotating shaft through hole 112 is arranged in the middle of the carbon brush holder 11, a terminal through hole 1111, a limit groove 1112, a clamping groove 1113 and a wire placing groove 1114 are arranged on the terminal installation block 111, the terminal through hole 1111 vertically penetrates through the terminal installation block 111, the limit groove 1112 corresponds to the left side and the right side of the terminal through hole 1111 and is communicated with the terminal through hole 1111, the clamping groove 1113 is provided with two groups of inner sides corresponding to the two groups of limit grooves respectively, the clamping groove 1112 is communicated with the limit groove 1112, two ends of the wire placing groove 1114 are respectively communicated with the two groups of wire placing grooves 1114, the connecting terminal 12 comprises an integrally formed terminal body 121, a limit boss 122 and a clamping boss 123, the terminal body 121 is arranged in the terminal through hole 1111 in a penetrating way, the limiting boss 122 is fixed on the left side and the right side of the terminal body 121, the bottoms of the limiting bosses are respectively propped against the two groups of limiting grooves 1112, the clamping boss 123 is fixed on the inner side of the terminal body 121 and corresponds to the clamping groove 1113, the lower side of the clamping boss 123 is provided with a U-shaped groove 1231 with a downward opening, the carbon brush component 13 is fixed on the carbon brush seat 11, the carbon brush component 13 is provided with a connecting lead 1332, one end of the connecting lead 1332 passes through one group of U-shaped grooves 1231 and corresponds to the wiring groove 1114, the capacitor 15 is fixed on one side of the terminal mounting block 111, the connecting end of the capacitor 15 passes through the other group of U-shaped grooves 1231 and corresponds to the wiring groove 1114, the inductor 14 is fixed on the carbon brush seat 11 and corresponds to between the terminal mounting block 111 and the rotating shaft through hole 112, the terminal mounting block 111, the connecting terminal mounting block 12, the carbon brush component 13, the capacitor 15 and the inductor 14 are arranged in two groups symmetrically about the center of the shaft through hole 112.
Traditional carbon brush lead wire needs to set up the welding tongue on connecting terminal 12, connecting lead wire 1332 need weld with the welding tongue, welding tongue and welding material occupy the space big, can't vacate space installation carbon brush subassembly 13, and in miniature motor, connecting lead wire 1332 welding process is difficult to operate moreover, this design is through setting up U type groove 1231 on connecting terminal 12, make connecting lead wire 1332 can be through U type groove 1231 direct fixation in joint groove 1113, not only make connecting lead wire 1332's installation more swiftly convenient, but also saved the space in the carbon brush seat 11 greatly, make the arrangement of each part in the carbon brush seat 11 compacter, also possess sufficient position and install longer graphite carbon brush 1331, in order to improve miniature motor's life. The connecting terminal 12 is tightly matched with the terminal mounting block 111, the terminal body 121 is inserted into the terminal through hole 1111, the U-shaped groove 1231 and the clamping groove 1113 clamp the connecting lead 1332, the end part of the connecting lead 1332 is placed in the wire placing groove 1114, the limiting boss 122 limits the mounting position of the terminal, and meanwhile the U-shaped groove 1231 and the clamping groove 1113 are prevented from clamping the connecting lead 1332.
The shell 2 is cylindrical, the outer diameter of the shell 2 is phi 25-40mm, and the length of the shell 2 is phi 28-70mm. For the miniature motor under this size, adopt the connecting terminal 12 of this design to be used for crimping connecting lead 1332, can make more space for installing carbon brush subassembly 13 for carbon brush seat 11, make miniature motor's life improve greatly.
An inductance limiting block 113 is further arranged on the carbon brush holder 11, and the inductance limiting block 113 is correspondingly arranged between the inductance 14 and the rotating shaft through hole 112. The inductance stopper 113 can prevent the motor rotation shaft from interfering with the inductance 14.
The carbon brush assembly 13 comprises a carbon brush box 131, a spring 132 and a carbon brush 133, wherein the carbon brush 133 comprises a graphite carbon brush 1331 and a connecting lead 1332, a buckle 1311 is arranged on the outer side of the carbon brush box 131 and is buckled with a carbon brush seat 11, a strip-shaped hole 1312 is formed in the side face of the carbon brush box 131, the graphite carbon brush 1331 is correspondingly arranged in the carbon brush box 131 and is slidably connected with the carbon brush box 131, the inner end of the graphite carbon brush 1331 is corresponding to a rotating shaft through hole 112, the spring 132 is fixed in the carbon brush box 131 and corresponds to the outer side of the graphite carbon brush 1331, and one end of the connecting lead 1332 penetrates through the strip-shaped hole 1312 and is buried at the outer end of the graphite carbon brush 1331.
The conventional carbon brush box 131 needs to be provided with a welding tongue piece for welding with the connecting lead 1332, and the connecting lead 1332 is directly buried in the graphite carbon brush 1331, so that the installation space is further saved, and the arrangement of components in the carbon brush seat 11 is more compact.
The carbon brush holder assembly 1 further comprises a supporting member 16, the supporting member 16 is fixed below the carbon brush holder 11, the supporting member 16 comprises a first supporting block 161, a second supporting block 162 and a terminal supporting column 163, the first supporting block 161 corresponds to the left side and the right side of the carbon brush holder 11 and is in a U shape with inward openings, the second supporting block 162 corresponds to the front side and the rear side of the carbon brush holder 11 and is in a U shape with outward openings, and the terminal supporting column 163 corresponds to the front side and the rear side of the terminal through hole 1111.
After the circuit board is mounted on the carbon brush seat 11, the first supporting block 161 and the second supporting block 162 support the circuit board, so that the mounting firmness of the circuit board is ensured, the terminal body 121 penetrates through the circuit board and is electrically connected with the circuit board, and the terminal supporting columns 163 can support the front side and the rear side of the terminal body 121, so that the terminal body 121 is prevented from being bent in the process of mounting the circuit board.
The above description should not be taken as limiting the scope of the utility model, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.
Claims (6)
1. A miniature brush direct current motor structure of long-life, its characterized in that: including carbon brush seat subassembly and casing, the carbon brush seat subassembly is fixed the casing below, the carbon brush seat subassembly includes carbon brush seat, connecting terminal, carbon brush subassembly, inductance and electric capacity, the carbon brush seat outside is equipped with terminal installation piece and middle part is equipped with the pivot through-hole, be equipped with terminal through-hole, spacing groove, joint groove and wire casing of putting on the terminal installation piece, the terminal through-hole vertically runs through the terminal installation piece, the spacing groove corresponds to the left and right sides of terminal through-hole, and with terminal through-hole intercommunication, the joint groove sets up two sets of and corresponds respectively to two sets of the inboard of spacing groove, the joint groove with spacing groove intercommunication, it is two sets of respectively with two sets of wire casing intercommunication to put the wire casing both ends, connecting terminal includes integrated into one piece's terminal body, spacing boss and bottom respectively with two sets of spacing groove top contact, the joint boss is fixed the inboard of terminal body and corresponds the joint groove is in the wire casing is in the terminal connection groove is equipped with one side down the carbon brush groove is equipped with the carbon brush, and is equipped with one end of U-shaped carbon brush seat is in the connecting terminal, and is connected to the connecting terminal, one side is equipped with the carbon brush seat is in the connecting wire casing, and is connected with the end is fixed to the end of U-shaped wire casing, and is in the connecting wire casing The capacitor and the inductor are symmetrically arranged in two groups around the center of the through hole of the rotating shaft.
2. The long life micro brush dc motor structure of claim 1, wherein: the shell is cylindrical, and the outer diameter of the shell is phi 25-40mm.
3. The long life micro brush dc motor structure of claim 2, wherein: the length of the shell is phi 28-70mm.
4. The long life micro brush dc motor structure of claim 1, wherein: and an inductance limiting block is further arranged on the carbon brush seat, and the inductance limiting block corresponds to the space between the inductance and the rotating shaft through hole.
5. The long life micro brush dc motor structure of claim 1, wherein: the carbon brush assembly comprises a carbon brush box, a spring and a carbon brush, wherein the carbon brush comprises a graphite carbon brush and a connecting lead, a buckle is arranged on the outer side of the carbon brush box and is in buckling connection with a carbon brush seat, a strip-shaped hole is formed in the side face of the carbon brush box, the graphite carbon brush is correspondingly arranged in the carbon brush box and is in sliding connection with the carbon brush box, the inner end of the graphite carbon brush is correspondingly provided with a rotating shaft through hole, the spring is fixed in the carbon brush box and is correspondingly arranged on the outer side of the graphite carbon brush, and one end of the connecting lead penetrates through the strip-shaped hole and is buried at the outer end of the graphite carbon brush.
6. The long life micro brush dc motor structure of claim 1, wherein: the carbon brush seat assembly further comprises a supporting part, the supporting part is fixed below the carbon brush seat and comprises a first supporting block, a second supporting block and a terminal supporting column, the first supporting block corresponds to the left side and the right side of the carbon brush seat and is in a U shape with an inward opening, the second supporting block corresponds to the front side and the rear side of the carbon brush seat and is in a U shape with an outward opening, and the terminal supporting column corresponds to the front side and the rear side of the terminal through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321757233.7U CN220254260U (en) | 2023-07-06 | 2023-07-06 | Long-life miniature brush direct current motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321757233.7U CN220254260U (en) | 2023-07-06 | 2023-07-06 | Long-life miniature brush direct current motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220254260U true CN220254260U (en) | 2023-12-26 |
Family
ID=89233099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321757233.7U Active CN220254260U (en) | 2023-07-06 | 2023-07-06 | Long-life miniature brush direct current motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220254260U (en) |
-
2023
- 2023-07-06 CN CN202321757233.7U patent/CN220254260U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |