CN216085646U - Double-gear switching motor carbon brush assembly - Google Patents
Double-gear switching motor carbon brush assembly Download PDFInfo
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- CN216085646U CN216085646U CN202122427292.5U CN202122427292U CN216085646U CN 216085646 U CN216085646 U CN 216085646U CN 202122427292 U CN202122427292 U CN 202122427292U CN 216085646 U CN216085646 U CN 216085646U
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Abstract
The utility model discloses a double-gear switching motor carbon brush assembly, which comprises a carbon brush bottom plate, wherein a wiring component and a carbon brush component are arranged on the carbon brush bottom plate, the carbon brush component comprises carbon brush frames which are arranged in a bilateral symmetry mode, and a carbon brush is arranged in the carbon brush frames in a sliding mode, and the double-gear switching motor carbon brush assembly is characterized in that: the wiring assembly comprises a wiring head, wherein a first wiring sheet and a second wiring sheet are arranged in the wiring head, the wiring assembly further comprises a rotating shaft, a movable contact sheet which can be in contact with the first wiring sheet or the second wiring sheet is connected to the rotating shaft, the movable contact sheet is connected with an external power supply, the first wiring sheet is electrically connected with two inductors, the inductors are electrically connected with corresponding carbon brushes, the second wiring sheet is electrically connected with a resistance wire, the resistance wire is electrically connected with a power distribution base, and the power distribution base is electrically connected with the inductors. The double-gear rotating speed switching device is simple in structure and reasonable in design, and can realize double-gear rotating speed switching of the motor, so that the air supply quantity more meeting the requirement is provided.
Description
Technical Field
The utility model relates to a motor accessory, in particular to a double-gear switching motor carbon brush assembly.
Background
Carbon brushes, also called brushes, are widely used as a sliding contact in many electrical devices. Particularly, for a motor on an automobile blower, a carbon brush assembly of the motor comprises a carbon brush bottom plate, a wiring component and a carbon brush component, the traditional wiring component is generally only provided with a wiring lug and is directly and electrically connected with a carbon brush, and the voltage on the carbon brush is constant, so that the motor can be driven to operate at a single rotating speed to provide air supply operation, but in the actual use process, when the automobile runs at different speeds and gears, the required air supply amount of the automobile has certain difference.
SUMMERY OF THE UTILITY MODEL
In view of the defects of the background art, the technical problem to be solved by the utility model is to provide a double-gear switching motor carbon brush assembly which has a simple structure and a reasonable design, can realize double-gear rotating speed switching of a motor, and further provides air supply volume meeting requirements.
Therefore, the utility model is realized by adopting the following scheme:
double-gear switching motor carbon brush assembly, including the carbon brush bottom plate be provided with wiring subassembly and carbon brush subassembly on the carbon brush bottom plate, the carbon brush subassembly includes the carbon brush frame that bilateral symmetry set up, it is provided with carbon brush, its characterized in that to slide in the carbon brush frame: the wiring assembly comprises a wiring head, wherein a first wiring sheet and a second wiring sheet are arranged in the wiring head, the wiring assembly further comprises a rotating shaft, a movable contact sheet which can be in contact with the first wiring sheet or the second wiring sheet is connected to the rotating shaft, the movable contact sheet is connected with an external power supply, the first wiring sheet is electrically connected with two inductors, the inductors are electrically connected with corresponding carbon brushes, the second wiring sheet is electrically connected with a resistance wire, the resistance wire is electrically connected with a power distribution base, and the power distribution base is electrically connected with the inductors.
The first lug plate and the second lug plate are connected with the lug head through springs.
The first lug plate and the second lug plate are provided with guide surfaces which are obliquely arranged at the contact end of the first lug plate and the second lug plate with the movable contact piece.
The bottom downwardly extending of carbon brush holder is provided with two and connects the foot, the side of connecting the foot has the connection tooth, be provided with on the carbon brush bottom plate with connect foot complex slot, the chamber is placed to the carbon brush of having on the carbon brush holder, the chamber is placed by the outer wall that encircles the setting and encloses, carbon brush slidable ground sets up place the intracavity, just four sides all laminate with the outer wall that corresponds about the carbon brush one side of carbon brush holder is provided with extension with extending, the end of extension is provided with the torsional spring support of vertical setting, the torsional spring has been clamped on the torsional spring support, the one end of torsional spring is provided with the stabilizer blade with extending, the support with the rear end of carbon brush offsets.
By adopting the technical scheme, the utility model has the beneficial effects that: drive movable contact spring and first lug contact through the control axis of rotation, make the power directly pass through the inductance and insert on the carbon brush, realize that one grade of rotational speed starts, rotate through the control axis of rotation, drive movable contact spring and second lug contact, make the power insert the resistance wire earlier, rethread inductance inserts on the carbon brush, the step-down of power has been realized, make the voltage that inserts on the carbon brush reduce, two grades of rotational speeds start has been realized, gear and speed that can go according to the vehicle, change the rotational speed of motor, and then provide the air supply volume that accords with more.
Drawings
The utility model has the following drawings:
FIG. 1 is a plan view of the present invention;
fig. 2 is a structural view of a connector lug of the present invention;
FIG. 3 is a structural view of a carbon brush holder according to the present invention;
FIG. 4 is a view from another perspective of FIG. 3;
fig. 5 is a structural view of a carbon brush assembly of the present invention.
Detailed Description
As shown in the figure, the double-gear switching motor carbon brush assembly disclosed by the utility model comprises a carbon brush base plate 8, wherein a wiring component and a carbon brush component are arranged on the carbon brush base plate 8, the carbon brush component comprises carbon brush holders which are symmetrically arranged left and right, carbon brushes 6 are arranged in the carbon brush holders in a sliding manner, the wiring component comprises a connector lug 14, a first connector lug 17 and a second connector lug 18 are arranged in the connector lug 14, the carbon brush assembly also comprises a rotating shaft 16, a movable contact 15 which can be contacted with the first connector lug or the second connector lug is connected onto the rotating shaft 16, the movable contact 15 is connected with an external power supply, the first connector lug 17 is electrically connected with two inductors 1, the inductors 1 are electrically connected with the corresponding carbon brushes 6, the second connector lug 18 is electrically connected with a resistance wire 11 through a lead 9, a mounting rack 10 is arranged on the carbon brush base plate 8, part of the resistance wire 11 is accommodated in a ceramic insulating sleeve 12, and the resistance wire 11 is electrically connected with a power distribution base 13, the distribution base 13 is electrically connected to the inductor 1. Furthermore, the first lug plate 17 and the second lug plate 18 are connected with the connector lug 14 through the spring 26, so that the first lug plate and the second lug plate can be stably attached and connected with the movable contact spring 15, and the first lug plate 17 and the second lug plate 18 are provided with guide surfaces 19 which are obliquely arranged at the contact end with the movable contact spring 15, so that the impact when the movable contact spring 15 is contacted with the first lug plate and the second lug plate is reduced. The bottom downwardly extending of carbon brush holder is provided with two and connects foot 24, the side of connecting foot 24 has connection tooth 23, be provided with on the carbon brush bottom plate 8 with be connected foot 24 complex slot, carbon brush holder is last to have the carbon brush and to place chamber 20, the carbon brush is placed chamber 20 and is enclosed by the outer wall 5 that encircles the setting, carbon brush 6 slidable ground sets up and is placing in chamber 20, and four sides all laminate with the outer wall 5 that corresponds about carbon brush 6, one side at carbon brush holder is provided with extension 22 with extending, the end of extension 22 is provided with the torsional spring support 21 of vertical setting, torsional spring 7 has been clamped on the torsional spring support 21, the one end of torsional spring 7 is provided with stabilizer blade 25 with extending, support 25 offsets with the rear end of carbon brush 6. The carbon brush holder is provided with the connecting pins 24, the side ends of the connecting pins 24 are provided with the connecting teeth 23, and the connecting pins 24 only need to be inserted into corresponding positions of the carbon brush bottom plate 8, so that the carbon brush holder is very convenient to mount; the placing cavity 20 is defined by the surrounding outer wall 5, so that the upper side, the lower side, the left side and the right side of the carbon brush 6 are attached to the corresponding outer wall 5, the carbon brush 6 is ensured not to rub the carbon brush bottom plate 8 in the sliding process, and the sliding smoothness and the stability of the carbon brush 6 are ensured; through the vertical torsional spring support 21 that sets up on the carbon brush frame, the stabilizer blade 25 through torsional spring 7 supports with 6 rear ends of carbon brush and realizes the reseing that the carbon brush removed, has effectively reduced the holistic length of carbon brush frame, and then has reduced the required installation space of carbon brush frame for the size of carbon brush bottom plate is littleer, makes things convenient for it to place the installation.
According to the structure, the movable contact piece 15 is driven to be in contact with the first wiring piece 17 by controlling the rotating shaft 16, so that a power supply is directly connected to the carbon brush 6 through the inductor 1 to realize the starting at the first gear of rotating speed, the movable contact piece 15 is driven to be in contact with the second wiring piece 18 by controlling the rotating shaft 16 to rotate, the power supply is connected to the resistance wire 11 firstly and then connected to the carbon brush 6 through the inductor 1, the voltage reduction of the power supply is realized, the voltage connected to the carbon brush is reduced, the starting at the second gear of rotating speed is realized, the rotating speed of the motor can be changed according to the gear and the speed of the running of a vehicle, and further more consistent air supply quantity is provided.
Claims (4)
1. Double-gear switching motor carbon brush assembly, including the carbon brush bottom plate be provided with wiring subassembly and carbon brush subassembly on the carbon brush bottom plate, the carbon brush subassembly includes the carbon brush frame that bilateral symmetry set up, it is provided with carbon brush, its characterized in that to slide in the carbon brush frame: the wiring assembly comprises a wiring head, wherein a first wiring sheet and a second wiring sheet are arranged in the wiring head, the wiring assembly further comprises a rotating shaft, a movable contact sheet which can be in contact with the first wiring sheet or the second wiring sheet is connected to the rotating shaft, the movable contact sheet is connected with an external power supply, the first wiring sheet is electrically connected with two inductors, the inductors are electrically connected with corresponding carbon brushes, the second wiring sheet is electrically connected with a resistance wire, the resistance wire is electrically connected with a power distribution base, and the power distribution base is electrically connected with the inductors.
2. The dual-shift switching motor carbon brush assembly of claim 1, wherein: the first lug plate and the second lug plate are connected with the lug head through springs.
3. The dual-shift switching motor carbon brush assembly of claim 2, wherein: the first lug plate and the second lug plate are provided with guide surfaces which are obliquely arranged at the contact end of the first lug plate and the second lug plate with the movable contact piece.
4. The dual-shift switching motor carbon brush assembly of claim 1, wherein: the bottom downwardly extending of carbon brush holder is provided with two and connects the foot, the side of connecting the foot has the connection tooth, be provided with on the carbon brush bottom plate with connect foot complex slot, the chamber is placed to the carbon brush of having on the carbon brush holder, the chamber is placed by the outer wall that encircles the setting and encloses, carbon brush slidable ground sets up place the intracavity, just four sides all laminate with the outer wall that corresponds about the carbon brush one side of carbon brush holder is provided with extension with extending, the end of extension is provided with the torsional spring support of vertical setting, the torsional spring has been clamped on the torsional spring support, the one end of torsional spring is provided with the stabilizer blade with extending, the support with the rear end of carbon brush offsets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122427292.5U CN216085646U (en) | 2021-10-09 | 2021-10-09 | Double-gear switching motor carbon brush assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122427292.5U CN216085646U (en) | 2021-10-09 | 2021-10-09 | Double-gear switching motor carbon brush assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216085646U true CN216085646U (en) | 2022-03-18 |
Family
ID=80637899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122427292.5U Active CN216085646U (en) | 2021-10-09 | 2021-10-09 | Double-gear switching motor carbon brush assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216085646U (en) |
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2021
- 2021-10-09 CN CN202122427292.5U patent/CN216085646U/en active Active
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