CN210996979U - Annular special piezoresistor and auxiliary installation tool thereof - Google Patents
Annular special piezoresistor and auxiliary installation tool thereof Download PDFInfo
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- CN210996979U CN210996979U CN201922060588.0U CN201922060588U CN210996979U CN 210996979 U CN210996979 U CN 210996979U CN 201922060588 U CN201922060588 U CN 201922060588U CN 210996979 U CN210996979 U CN 210996979U
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Abstract
The utility model discloses a special-shaped annular piezoresistor and an auxiliary installation tool thereof, wherein the special-shaped annular piezoresistor comprises an annular piezoresistor body and special-shaped bosses arranged around the annular piezoresistor body; the auxiliary mounting tool comprises a positioning tool and a counterweight tool, the positioning tool comprises a hollow positioning cylinder and a positioning ring capable of being opened and closed, a convex rib matched with the notch of the rotor is arranged on the inner wall of the positioning cylinder, the positioning ring is arranged at the top end of the positioning cylinder, and a notch groove matched with a special-shaped boss of the special-shaped annular piezoresistor is arranged on the inner wall of the positioning ring; the balance weight tool comprises a balance weight block and balance weight support legs, and the balance weight support legs are pressed on the annular piezoresistor body when being used for installing the special-shaped annular piezoresistor. The utility model provides an annular piezoresistor bad problem of installation, it can improve a product percent of pass greatly, can effectively practice thrift the processing cost moreover.
Description
Technical Field
The utility model relates to an annular piezo-resistor of dysmorphism and supplementary installation frock thereof belongs to the motor field of making.
Background
At present, most of middle-high grade microminiature direct current brush motors are provided with annular piezoresistors, and the piezoresistors have the functions of well absorbing sparks, eliminating noise interference and the like. Most of conventional annular piezoresistors are of standard structures (inner and outer circular rings) and cannot be well positioned in the installation operation process by using simple tools, so that the piezoresistors and a commutator are easy to displace in the welding process, and poor installation is caused.
Disclosure of Invention
An object of the utility model is to overcome the not enough of prior art existence, provide a dysmorphism piezo-resistor and supplementary installation frock thereof.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the special-shaped annular piezoresistor comprises an annular piezoresistor body, wherein special-shaped bosses are arranged on the periphery of the annular piezoresistor body.
An auxiliary mounting tool for a special-shaped annular piezoresistor comprises a positioning tool and a counterweight tool, wherein the positioning tool comprises a hollow positioning cylinder and a positioning ring capable of being opened and closed, a convex rib matched with a rotor notch is arranged on the inner wall of the positioning cylinder, the positioning ring is arranged at the top end of the positioning cylinder, and a notch groove matched with a special-shaped boss of the special-shaped annular piezoresistor is arranged on the inner wall of the positioning ring; the balance weight tool comprises a balance weight block and balance weight support legs, and the balance weight support legs are pressed on the annular piezoresistor body when being used for installing the special-shaped annular piezoresistor.
Furthermore, the holding ring comprises a first holding half ring and a second holding half ring, and one end of the first holding half ring and one end of the second holding half ring are rotatably mounted on the top end of the holding cylinder through a rotating shaft.
Furthermore, the balancing weight is of a hollow structure, so that a rotating shaft of the rotor can extend into the balancing weight when the balancing weight is installed.
The utility model has the advantages that: the utility model provides a bad problem of annular piezoresistor installation, its auxiliary installation frock simple structure, the operation is reliable, through its auxiliary installation to special-shaped piezoresistor, can improve a product percent of pass greatly, can effectively practice thrift the processing cost moreover.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a special-shaped annular piezoresistor.
Fig. 2 is a schematic structural view of the auxiliary mounting tool.
Fig. 3 is an operational schematic of the auxiliary installation.
Labeled as: the method comprises the following steps of 1-annular piezoresistor body, 2-special-shaped boss, 3-positioning tool, 4-counterweight tool, 5-positioning cylinder, 6-positioning ring, 7-convex rib, 8-notch groove, 9-counterweight block, 10-counterweight support leg, 11-wound rotor, 12-rotor notch, 13-electric soldering iron and 14-soldering tin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the special-shaped annular piezoresistor comprises an annular piezoresistor body 1, wherein special-shaped bosses 2 are arranged around the annular piezoresistor body 1.
As shown in fig. 2, the auxiliary installation tool for the special-shaped annular piezoresistor comprises a positioning tool 3 and a counterweight tool 4; location frock 3 includes hollow location section of thick bamboo 5 and the holding ring 6 that can open and shut, be equipped with on the inner wall of a location section of thick bamboo 5 with rotor notch 12 matched with protruding muscle 7, holding ring 6 sets up in the top of a location section of thick bamboo 5, is equipped with on the inner wall of holding ring 5 with the 2 matched with breach grooves 8 of heterotypic boss of the cyclic annular piezo-resistor of dysmorphism, during the welding installation, 2 blocks of heterotypic boss are gone into in breach groove 8, can prevent that the cyclic annular piezo-resistor of dysmorphism from taking place horizontal rotation displacement. The balance weight tool 4 comprises a balance weight block 9 and balance weight support legs 10, and the balance weight support legs 10 are pressed on the annular piezoresistor body when being used for installing the special-shaped annular piezoresistor, so that the special-shaped annular piezoresistor is prevented from moving up and down.
The positioning ring comprises a first positioning half ring and a second positioning half ring, and one end of the first positioning half ring and one end of the second positioning half ring are rotatably arranged at the top end of the positioning cylinder through a rotating shaft. The balancing weight is of a hollow structure so as to facilitate the extension of a rotating shaft of the rotor during installation.
The utility model discloses an installation is as shown in figure 3: firstly, a winding rotor 11 is placed into an inner hole of a positioning cylinder 5, and a convex rib 7 in the positioning cylinder 5 is just clamped into a rotor notch 12 of the winding rotor to prevent the rotor from rotating; then the special-shaped annular piezoresistor with the special-shaped boss 2 is placed into the closed positioning ring 6 at the upper end of the positioning cylinder 5, and the special-shaped boss 2 is just clamped in the gap groove 8 of the positioning ring 6 to prevent the piezoresistor from rotating; and finally, the special-shaped annular piezoresistor is pressed through the counterweight tool 4, and the electric soldering iron 13 and the soldering tin 14 complete the welding of the piezoresistor through welding equipment.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present invention in any way, and all technical solutions obtained by using equivalent substitution modes and the like fall within the scope of the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (4)
1. The special-shaped annular piezoresistor comprises an annular piezoresistor body and is characterized in that special-shaped bosses are arranged on the periphery of the annular piezoresistor body.
2. The auxiliary mounting tool for the special-shaped annular piezoresistor is characterized by comprising a positioning tool and a counterweight tool, wherein the positioning tool comprises a hollow positioning cylinder and a positioning ring capable of being opened and closed, a convex rib matched with a rotor notch is arranged on the inner wall of the positioning cylinder, the positioning ring is arranged at the top end of the positioning cylinder, and a notch groove matched with a special-shaped boss of the special-shaped annular piezoresistor is arranged on the inner wall of the positioning ring; the balance weight tool comprises a balance weight block and balance weight support legs, and the balance weight support legs are pressed on the annular piezoresistor body when being used for installing the special-shaped annular piezoresistor.
3. The tool for assisting in installing the special-shaped annular piezoresistor according to claim 2, wherein the positioning ring comprises a first positioning half ring and a second positioning half ring, and one end of each of the first positioning half ring and the second positioning half ring is rotatably installed at the top end of the positioning cylinder through a rotating shaft.
4. The auxiliary mounting tool for the special-shaped annular piezoresistor according to claim 2, wherein the balancing weight is of a hollow structure, so that a rotating shaft of the rotor can extend into the balancing weight during mounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922060588.0U CN210996979U (en) | 2019-11-26 | 2019-11-26 | Annular special piezoresistor and auxiliary installation tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922060588.0U CN210996979U (en) | 2019-11-26 | 2019-11-26 | Annular special piezoresistor and auxiliary installation tool thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210996979U true CN210996979U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922060588.0U Active CN210996979U (en) | 2019-11-26 | 2019-11-26 | Annular special piezoresistor and auxiliary installation tool thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115592337A (en) * | 2022-12-14 | 2023-01-13 | 深圳市科美达自动化设备有限公司（Cn） | Pressure-sensitive jig for rotor welding |
-
2019
- 2019-11-26 CN CN201922060588.0U patent/CN210996979U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115592337A (en) * | 2022-12-14 | 2023-01-13 | 深圳市科美达自动化设备有限公司（Cn） | Pressure-sensitive jig for rotor welding |
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