CN215527357U - Angular displacement potentiometer resistor body convenient to install - Google Patents
Angular displacement potentiometer resistor body convenient to install Download PDFInfo
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- CN215527357U CN215527357U CN202120946605.5U CN202120946605U CN215527357U CN 215527357 U CN215527357 U CN 215527357U CN 202120946605 U CN202120946605 U CN 202120946605U CN 215527357 U CN215527357 U CN 215527357U
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Abstract
The utility model discloses an angular displacement potentiometer resistor body convenient to install, which comprises a circular ring-shaped resistor body base body, wherein a circular arc-shaped resistor working belt is arranged on a first side surface of the resistor body base body, one or more connecting columns vertical to the resistor body base body are arranged on a second side surface of the resistor body base body, first ends of the connecting columns are connected with the resistor body base body, and second ends of the connecting columns protrude out of the second side surface of the resistor body base body. According to the resistor body, the connecting column is arranged on the resistor body base body, when the resistor body is arranged, the connecting column is connected with the potentiometer shell through the bolt or the screw, so that the resistor body can be stably arranged, the resistor body is not arranged by using a binder, the installation efficiency is obviously improved, a high-temperature environment is not needed, and the problems that the resistor body is damaged by the high-temperature environment and the use reliability of the resistor body is reduced are solved.
Description
Technical Field
The utility model relates to a resistor body of a potentiometer, in particular to an angular displacement resistor body of the potentiometer, which is convenient to install.
Background
The resistor is one of the main elements of the potentiometer, and a resistor working belt is arranged on a resistor base body to form the resistor, and the resistor is matched with the brush to realize the displacement detection function of the potentiometer. The resistor body of the angular displacement potentiometer is of a circular structure, the central through hole is used for the rotating shaft to penetrate through, and a resistor working tape is arranged on the circular base body. Practical application examples are as follows: for example, a conductive plastic potentiometer is a potentiometer using conductive plastic as a resistance material of a resistor body, and is used as a position sensor in a servo system, and a conductive plastic tape is provided on a resistor body.
The conventional resistor body of the angular displacement potentiometer is not provided with a structure for connecting with a shell on a base body, so the resistor body is generally connected with the shell by a bonding method, but the bonding method has the following defects: on one hand, the bonding process is long in time consumption and low in efficiency; on the other hand, the bonding needs high temperature to be more stable, but the aging of the resistor body is accelerated in a high-temperature environment, and the use reliability of the resistor body is reduced.
In addition, the traditional method for leading out signals at two ends of a resistance working band of the resistor body of the angular displacement potentiometer is to use conductive adhesive for bonding after riveting through rivets or directly use the conductive adhesive for bonding, and the method has the following defects: the quantity of the conductive adhesive is not easy to control in the bonding process, the conductive adhesive is possibly left on the resistor body due to operation negligence, poor contact is caused, meanwhile, the bonding process needs to be cured in a high-temperature box for a long time under the condition that a clamp is fixed, the assembly efficiency is extremely low, and the capacity of the potentiometer is difficult to improve.
SUMMERY OF THE UTILITY MODEL
The present invention has been made to solve the above problems, and an object of the present invention is to provide an angular displacement potentiometer resistor which is easy to mount without using an adhesive.
The utility model realizes the purpose through the following technical scheme:
an angular displacement potentiometer resistor body convenient to mount comprises a circular ring-shaped resistor body base body, wherein a first side face of two side faces of the resistor body base body is provided with a circular arc-shaped resistor working belt, a second side face of the two side faces of the resistor body base body is provided with one or more connecting columns which are perpendicular to the resistor body base body and used for being connected with a potentiometer shell, first ends of two ends of the connecting columns are connected with the resistor body base body, and second ends of the two ends of the connecting columns protrude out of the second side face of the resistor body base body.
Preferably, in order to facilitate the threaded connection with the potentiometer housing, the second end of the connecting column is provided with a connecting column blind hole, and the hole wall of the connecting column blind hole is provided with threads.
Preferably, in order to facilitate stable installation of the connecting column, a matrix blind hole is formed in the second side face of the resistor matrix, the connecting column is a plastic column, the first end of the connecting column is installed in the matrix blind hole in an embedded mode, and the shape and the size of the first end of the connecting column are consistent with those of the bottom of the corresponding matrix blind hole. During processing, the connecting column is arranged in the blind hole of the base body through a plastic embedding process, namely, liquid plastic is directly injected into the blind hole of the base body through a mold for molding, so that stable connection between the connecting column and the base body of the resistor body is ensured.
Preferably, in order to provide a more stable axial positioning function for the connecting column, the first end of the connecting column is outwardly convex in the circumferential direction to form a connecting column convex ring.
Preferably, in order to enable the connecting column to have a more stable circumferential positioning function, a straight line segment tangent to the circular arc surface of the periphery of the connecting column is arranged on the peripheral edge of the convex ring of the connecting column.
Furthermore, in order to facilitate the non-bonding manner to lead out the electrical signals at the two ends of the resistor operating band, substrate through holes are respectively formed in the resistor substrate and located at the inner sides of the two ends of the resistor operating band, a conductive column perpendicular to the resistor substrate is installed in each substrate through hole, the shape and size of each conductive column are consistent with those of the corresponding substrate through hole, a first end of each conductive column is in conductive connection with the corresponding end of the resistor operating band through an electrode band, and a second end of each conductive column protrudes out of the second side surface of the resistor substrate.
Preferably, in order to stably connect the lead and the conductive post, the second end of the conductive post is provided with a conductive post blind hole.
Preferably, in order to make the conductive column have a more stable axial positioning function, the middle section of the conductive column protrudes outward in the outer circumferential direction to form a conductive column protruding ring.
Preferably, in order to enable the conductive column to have a more stable circumferential positioning function, two symmetrical sides of the outer peripheral edge of the protruding ring of the conductive column are respectively provided with a straight line segment tangent to the outer circular arc surface of the conductive column.
The utility model has the beneficial effects that:
according to the resistor body, the connecting column is arranged on the resistor body base body, when the resistor body is arranged, the connecting column is connected with the potentiometer shell through the bolt or the screw, so that the resistor body can be stably arranged, a binder is not used for arranging the resistor body, the arrangement efficiency is obviously improved, a high-temperature environment is not needed, and the problems that the resistor body is damaged by the high-temperature environment and the use reliability of the resistor body is reduced are solved; through installing and leading electrical pillar on the resistive element base member, only need to lead electrical pillar and lead wire and weld and can realize drawing forth of resistive element signal, no longer use conducting resin to connect the lead wire, avoided conducting resin to leave over and need the problem of high temperature cure, improved assembly efficiency and potentiometre performance.
Drawings
Fig. 1 is a schematic front view of an angular displacement potentiometer resistor body convenient to install according to the utility model;
FIG. 2 is a sectional view A-A of FIG. 1;
FIG. 3 is a schematic front view of the connecting column of the present invention;
FIG. 4 is a cross-sectional view B-B of FIG. 3;
fig. 5 is a schematic front view of the conductive pillar according to the present invention;
FIG. 6 is a cross-sectional view C-C of FIG. 5;
fig. 7 is a cross-sectional view of the resistor body of the angular displacement potentiometer convenient to install and applied in the utility model.
Detailed Description
The utility model will be further described with reference to the accompanying drawings in which:
as shown in fig. 1 to 6, the angular displacement potentiometer resistor body convenient to mount in the utility model includes a circular ring-shaped resistor body 1, a first side surface of two side surfaces of the resistor body 1 is provided with a circular arc-shaped resistor working band 2, a second side surface of the two side surfaces of the resistor body 1 is provided with three (or other numbers of) connecting columns 3 which are perpendicular to the resistor body 1 and are used for being connected with a potentiometer shell (see a potentiometer shell 8 of fig. 7), a first end of two ends of each connecting column 3 is connected with the resistor body 1, and a second end of two ends of each connecting column 3 protrudes out of the second side surface of the resistor body 1.
As shown in fig. 1 to 6, the present invention also discloses a plurality of more optimized structures, which can be combined with one or more specific structures to form a more optimized technical solution according to actual needs.
In order to facilitate the threaded connection with the potentiometer housing, the second end of the connecting column 3 is provided with a connecting column blind hole 33 and the hole wall of the connecting column blind hole 33 is provided with threads.
In order to conveniently and stably install the connecting column 3, a matrix blind hole (not marked in the figure) is formed in the second side face of the resistor body matrix 1, the connecting column 3 is a plastic column, a first end of the connecting column is installed in the matrix blind hole in an embedding mode, and the shape and the size of the first end of the connecting column 3 are consistent with those of the bottom of the corresponding matrix blind hole.
In order to provide the connecting column 3 with a more stable axial positioning function, the first end of the connecting column 3 is outwardly convex in the circumferential direction to form a connecting column convex ring 32.
In order to make the connecting column 3 have more stable circumferential positioning function, the outer peripheral edge of the connecting column convex ring 32 is provided with a straight line segment 31 tangent to the outer peripheral arc surface of the connecting column 3.
In order to facilitate the non-adhesive way to lead out the electrical signals at the two ends of the resistor operating band 2, the resistor base 1 is provided with base through holes (not marked in the figure) at the positions inside the two ends of the resistor operating band 2, each base through hole is internally provided with a conductive column 5 perpendicular to the resistor base 1, the shape and size of the conductive column 5 are consistent with those of the corresponding base through hole, a first end of the two ends of the conductive column 5 is conductively connected with the corresponding end of the resistor operating band 2 through an electrode band 6 (generally, the surface of the resistor base 1 is covered with gold or silver to form the electrode band 6), and a second end of the two ends of the conductive column 5 protrudes out of the second side surface of the resistor base 1.
In order to stably connect the lead (not shown) and the conductive post 5, the second end of the conductive post 5 is provided with a conductive post blind hole 52.
In order to make the conductive post 5 have a more stable axial positioning function, the middle section of the conductive post 5 protrudes outward in the peripheral direction to form a conductive post protruding ring 51.
In order to make the conductive column 5 have a more stable circumferential positioning function, two symmetrical sides on the outer peripheral edge of the conductive column protruding ring 51 are respectively provided with a straight line segment 53 tangent to the outer peripheral arc surface of the conductive column 5.
Fig. 1 and 2 also show a center through hole 4 (which is also a center through hole of the resistor) on the resistor body base 1.
As shown in fig. 1 to 7, in application, the resistor body is connected with the potentiometer shell 8 through the connecting column 3 on the resistor body base body 1 through the screw 10, the resistor body is not mounted by using an adhesive, and the conductive column 5 is connected with the lead in a welding mode, and is not connected in a riveting and gluing mode.
Also shown in fig. 7 are a rotating shaft 7 of the angular displacement potentiometer, a bearing 9 for mounting the rotating shaft 7, a reed assembly 11 for realizing rotation angle detection, a current collecting ring 12 for mounting the reed assembly 11, an insulating sleeve 13 for mounting the current collecting ring 12, and a cover plate 14 connected with the potentiometer housing 8, which are conventional components of the angular displacement potentiometer.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.
Claims (9)
1. The utility model provides an angle displacement potentiometre resistive element convenient to installation, includes annular resistive element base member, the first side in two sides of resistive element base member is equipped with convex resistance work area, its characterized in that: one or more connecting columns which are perpendicular to the resistor body and are used for being connected with the potentiometer shell are arranged on the second side face of the two side faces of the resistor body base body, the first end of the two ends of each connecting column is connected with the resistor body base body, and the second end of the two ends of each connecting column protrudes out of the second side face of the resistor body base body.
2. An easily installable resistor according to claim 1, wherein: the second end of the connecting column is provided with a connecting column blind hole, and the hole wall of the connecting column blind hole is provided with threads.
3. An easily installable resistor according to claim 2, wherein: the resistor body is characterized in that a base body blind hole is formed in the second side face of the resistor body base body, the connecting column is a plastic column, the first end of the connecting column is installed in the base body blind hole in an embedding mode, and the shape and the size of the first end of the connecting column are consistent with those of the bottom of the corresponding base body blind hole.
4. An easily installable resistor according to claim 3, wherein: the first end of the connecting column is outwards protruded towards the outer periphery to form a connecting column convex ring.
5. An easily installable resistor according to claim 4, wherein: the outer peripheral edge of the connecting column convex ring is provided with a straight line segment tangent to the circular arc surface of the periphery of the connecting column.
6. An easily mountable angular displacement potentiometer resistor body according to any of claims 1-5, wherein: the resistance body is characterized in that base body through holes are respectively formed in positions, located on the inner sides of two ends of the resistance working band, of the resistance body base body, a conductive column perpendicular to the resistance body base body is installed in each base body through hole, the shape and the size of each conductive column are consistent with those of the corresponding base body through hole, a first end of each conductive column is in conductive connection with the corresponding end portion of the resistance working band through an electrode band, and a second end of each conductive column protrudes out of a second side face of the resistance body base body.
7. An easily installable resistor according to claim 6, wherein: and the second end of the conductive post is provided with a conductive post blind hole.
8. An easily installable resistor according to claim 7, wherein: the middle section of the conductive column protrudes outwards towards the outer periphery to form a conductive column convex ring.
9. An easily installable resistor according to claim 8, wherein: and two symmetrical sides of the peripheral edge of the conductive column convex ring are respectively provided with a straight line segment tangent to the circular arc surface of the periphery of the conductive column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120946605.5U CN215527357U (en) | 2021-05-06 | 2021-05-06 | Angular displacement potentiometer resistor body convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120946605.5U CN215527357U (en) | 2021-05-06 | 2021-05-06 | Angular displacement potentiometer resistor body convenient to install |
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| Publication Number | Publication Date |
|---|---|
| CN215527357U true CN215527357U (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120946605.5U Active CN215527357U (en) | 2021-05-06 | 2021-05-06 | Angular displacement potentiometer resistor body convenient to install |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115394510A (en) * | 2022-10-31 | 2022-11-25 | 成都宏明电子股份有限公司 | Method for manufacturing long-life resistor body for conductive plastic angular displacement potentiometer |
-
2021
- 2021-05-06 CN CN202120946605.5U patent/CN215527357U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115394510A (en) * | 2022-10-31 | 2022-11-25 | 成都宏明电子股份有限公司 | Method for manufacturing long-life resistor body for conductive plastic angular displacement potentiometer |
| CN115394510B (en) * | 2022-10-31 | 2023-02-14 | 成都宏明电子股份有限公司 | Method for manufacturing long-life resistor body for conductive plastic angular displacement potentiometer |
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