CN202650755U - Rotary potentiometer with pressing type self-resetting micro switch - Google Patents
Rotary potentiometer with pressing type self-resetting micro switch Download PDFInfo
- Publication number
- CN202650755U CN202650755U CN 201220333269 CN201220333269U CN202650755U CN 202650755 U CN202650755 U CN 202650755U CN 201220333269 CN201220333269 CN 201220333269 CN 201220333269 U CN201220333269 U CN 201220333269U CN 202650755 U CN202650755 U CN 202650755U
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- potentiometer
- inner housing
- resetting
- sensitive switch
- shell body
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Abstract
The utility model discloses a rotary potentiometer with a pressing type self-resetting micro switch. The rotary potentiometer comprises a potentiometer assembly (1), an outer shell (5) and the micro switch (7) and is characterized in that the potentiometer assembly (1) comprises a small knob (2), an inner shell (3), a potentiometer (4) and a bottom plate (6), wherein the potentiometer (4) is fixedly arranged in the inner shell (3); the upper end face of the inner shell (3) is provided with a groove (14) and a spherical groove (16), the groove (14) is matched with an outer peripheral surface of the end part of the small knob (2), the spherical groove (16) is matched with a steel ball (15) in the small knob (2), and a spring B (13) is arranged between the steel ball (15) and the small knob (2); and the potentiometer assembly (1) is arranged in the outer shell (5), and the lower end in the outer shell (5) is fixedly provided with the micro switch (7). The rotary potentiometer has the advantages that transient connection and disconnection of the switch can be realized, the positioning accuracy is high and the reliability is high.
Description
Technical field
The utility model belongs to the potentiometer field, relates in particular to the rotating potentiometer that a kind of band is pressed the Self-resetting sensitive switch.
Background technology
Potentiometer is typical contact absolute type angle transducer, and a sliding contact on resistive film is arranged, and by external action, thereby makes contacting points position change the up and down ratio of resistance of resistive film, realizes that output end voltage changes with external position.At present, the rotational potentiometer device of belt switch mostly is the switch contact of connecting first potentiometer when potentiometer begins to rotate, rotate again potentiometer adjustment, can not realize momentary connection, the disconnection of switch and keep the potentiometer resistance value not change in the arbitrary position in rotating range.In addition, under the vibration service condition, such potentiometer knob countershaft clamping is not enough, causes the stop mechanism insufficient rigidity, and dependability is low.
This patent can carry out switch connection, opening operation for arbitrary position in the potentiometer resistance adjusting range, is applicable to use under vibration, harsh natural environmental condition.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned shortcoming and a kind of momentary connection, disconnection that can realize switch is provided, and positioning accuracy is high, and the band that reliability is high is pressed the rotating potentiometer of Self-resetting sensitive switch.
The purpose of this utility model and solve its technical problem underlying and realize by the following technical solutions:
A kind of band of the present utility model is pressed the rotating potentiometer of Self-resetting sensitive switch, comprises potentiometer assembly, shell body, sensitive switch, and wherein: described potentiometer assembly comprises little knob, inner housing, potentiometer, base plate, and potentiometer is fixed in the inner housing; The inner housing upper surface is provided with groove and spherical groove, groove matches with little knob end outer circumference surface, the steel ball in spherical groove and the little knob matches, be provided with spring B between steel ball and the little knob, inner housing upper surface and little knob are provided with panel, and the lower end of inner housing is provided with base plate; The potentiometer assembly is positioned in the shell body, is provided with spring A between the upper end in the shell body and the potentiometer assembly, and the bottom in the shell body is fixed with sensitive switch; Inner housing and shell body are provided with presses guiding mechanism.
Above-mentioned band is pressed the rotating potentiometer of Self-resetting sensitive switch, wherein: the described guiding mechanism of pressing is comprised of inner housing outer circumference surface at least one gathering sill that is provided with and the screw that is fixed on the shell body outer circumference surface, and the screw on the shell body stretches in the gathering sill of inner housing.
Above-mentioned band is pressed the rotating potentiometer of Self-resetting sensitive switch, and wherein: described gathering sill is that two, screw are two.
Above-mentioned band is pressed the rotating potentiometer of Self-resetting sensitive switch, and wherein: described spherical groove is that three, spring B and steel ball are three groups.
Above-mentioned band is pressed the rotating potentiometer of Self-resetting sensitive switch, and wherein: described spherical groove is the arc spherical groove.
Above-mentioned band is pressed the rotating potentiometer of Self-resetting sensitive switch, and wherein: described little knob is threaded connection with large knob.
The utility model compared with prior art has obvious advantage and beneficial effect.By above technical scheme as can be known, described potentiometer assembly comprises little knob, inner housing, potentiometer, base plate, and potentiometer is fixed in the inner housing; The inner housing upper surface is provided with groove and three spherical grooves, and groove matches with little knob lower end outer circumference surface, three spherical grooves match with three groups of spring B and steel ball in the little knob respectively, and each steel ball matches with each spherical groove.Like this can be with region of variation and 0 position of three spherical grooves on the inner housing and indentation limitations potentiometer resistance value, control potentiometer electricity stroke and mechanical trip are consistent, utilize tribology principle, guarantee that with spring, steel ball structure potentiometer can have higher reliability under the environment for use of vibration.The inner housing upper surface is provided with groove and arc spherical groove, and inner housing substitutes three spherical grooves with the arc spherical groove, can guarantee that potentiometer knob slides in slewing area flexibly, and the location is reliable, and the control of potentiometer mechanical trip is reliable.The potentiometer assembly is contained in the inner housing, presses the potentiometer assembly downwards and connects the sensitive switch that is contained in the shell body bottom, is comprised of gathering sill on the dog screw on the shell body and the inner housing and presses guiding mechanism, the Self-resetting after pressing by spring A realization potentiometer.Therefore, the rotating potentiometer of pressing the Self-resetting sensitive switch of the present utility model has the following advantages:
1) the arbitrary position in potentiometer rotating shaft rotating range is realized switch momentary connection, disconnection and is kept the potentiometer resistance value not change.
2) the potentiometer rotating shaft can guarantee the location of high accuracy and high stability in rotating range.
3) can guarantee effectively to determine that 0 of machinery, control potentiometer electricity stroke and mechanical trip are consistent.
4) can guarantee that potentiometer knob slides flexibly in slewing area, the location is reliable.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is potentiometer modular construction schematic diagram of the present utility model;
Fig. 3 is the inner housing plan structure schematic diagram of the first embodiment;
Fig. 4 is the inner housing plan structure schematic diagram of the second embodiment.
Mark among the figure:
1, potentiometer assembly; 2, little knob; 3, inner housing; 4, potentiometer; 5, shell body; 6, base plate; 7, sensitive switch; 8, gathering sill; 9, screw; 10, spring A; 11, panel; 12, large knob; 13, spring B; 14, groove; 15, steel ball; 16, spherical groove; 17, arc spherical groove.
Embodiment:
Below in conjunction with accompanying drawing and preferred embodiment, rotating potentiometer embodiment, structure, feature and effect thereof to pressing the Self-resetting sensitive switch according to the band that the utility model proposes are described in detail as follows.
Embodiment 1:
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of band of the present utility model is pressed the rotating potentiometer of Self-resetting sensitive switch, comprise potentiometer assembly 1, shell body 5, sensitive switch 7, wherein: described potentiometer assembly 1 comprises little knob 2, inner housing 3, potentiometer 4, base plate 6,4 screws of potentiometer 4 usefulness are fixed in the inner housing 3, and screw need guarantee not exceed the inner housing outer surface; Inner housing 3 upper surfaces are provided with groove 14 and three spherical grooves 16, groove 14 matches with little knob 2 lower end outer circumference surfaces, three spherical grooves 16 are aimed at three steel balls 15 in the little knob 2 respectively, be provided with spring B 13 between each steel ball 15 and the little knob 2, inner housing 3 upper surfaces and little knob 2 are provided with panel 11, and the lower end of inner housing 3 is provided with base plate 6; Potentiometer assembly 1 is positioned in the shell body 5, is provided with spring A10 between the upper end in the shell body 5 and the potentiometer assembly 1, and the bottom in the shell body 5 is fixed with sensitive switch 7; Inner housing 3 and shell body 5 are provided with presses guiding mechanism, this is pressed, and guiding mechanism is provided with two gathering sills 8 by inner housing 3 outer circumference surfaces and two screws 9 that are fixed on the shell body outer circumference surface with matching form, and the screw 9 on the shell body 5 stretches in the gathering sill 8 of inner housing 3.Described little knob 2 is threaded connection with large knob 12.Region of variation and 0 position with three spherical grooves 16 on the inner housing 3 and groove 14 restriction potentiometers 4 resistance values, control potentiometer 4 electric strokes and mechanical trip are consistent, utilize tribology principle, guarantee that with spring, steel ball structure potentiometer can have higher reliability under the environment for use of vibration.Potentiometer assembly 1 is contained in the inner housing, press the potentiometer assembly downwards and connect the sensitive switch 7 that is contained in shell body 5 bottoms, formed by gathering sill 8 on the dog screw 9 on the shell body 5 and the inner housing 3 and to press guiding mechanism, realize Self-resetting after potentiometer is pressed by spring A10.
Embodiment 2:
Referring to Fig. 1, Fig. 2 and Fig. 4, band of the present utility model is pressed the rotating potentiometer of Self-resetting sensitive switch, wherein: described inner housing 3 upper surfaces are provided with groove 14 and arc spherical groove 17, arc spherical groove 17 matches with three steel balls 15 in the little knob 2, is provided with spring B 13 between each steel ball 15 and the little knob 2.All the other are with embodiment 1.Arc spherical groove of inner housing 3 usefulness 17 substitutes three spherical grooves 16, can guarantee that potentiometer knob slides in slewing area flexibly, and the location is reliable, the control of potentiometer 4 mechanical trips is reliable, the turning knob feel is good, and under violent vibration service condition, product reliability is high.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, any technical solutions of the utility model content that do not break away from,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does according to technical spirit of the present utility model.
Claims (6)
1. a band is pressed the rotating potentiometer of Self-resetting sensitive switch, comprise potentiometer assembly (1), shell body (5), sensitive switch (7), it is characterized in that: described potentiometer assembly (1) comprises little knob (2), inner housing (3), potentiometer (4), base plate (6), and potentiometer (4) is fixed in the inner housing (3); Inner housing (3) upper surface is provided with groove (14) and spherical groove (16), groove (14) matches with little knob (2) end outer circumference surface, the steel ball (15) in spherical groove (16) and the little knob (2) matches, be provided with spring B (13) between steel ball (15) and the little knob (2), inner housing (3) upper surface and little knob (2) are provided with panel (11), and the lower end of inner housing (3) is provided with base plate (6); Potentiometer assembly (1) is positioned in the shell body (5), is provided with spring A(10 between the upper end in the shell body (5) and the potentiometer assembly (1)), the bottom in the shell body (5) is fixed with sensitive switch (7); Inner housing (3) and shell body (5) are provided with presses guiding mechanism.
2. band as claimed in claim 1 is pressed the rotating potentiometer of Self-resetting sensitive switch, it is characterized in that: describedly press at least one gathering sill (8) that guiding mechanism is provided with by inner housing (3) outer circumference surface and the screw (9) that is fixed on shell body (5) outer circumference surface forms, the screw (9) on the shell body (5) stretches in the gathering sill (8) of inner housing (3).
3. band as claimed in claim 2 is pressed the rotating potentiometer of Self-resetting sensitive switch, it is characterized in that: described gathering sill (8) is that two, screw (9) are two.
4. press the rotating potentiometer of Self-resetting sensitive switch such as claim 1,2 or 3 described bands, it is characterized in that: described spherical groove (16) is arc spherical groove (17).
5. press the rotating potentiometer of Self-resetting sensitive switch such as claim 1,2 or 3 described bands, it is characterized in that: described spherical groove (16) is that three, spring B (13) and steel ball (15) are three groups.
6. band as claimed in claim 4 is pressed the rotating potentiometer of Self-resetting sensitive switch, it is characterized in that: described little knob (2) is threaded connection with large knob (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220333269 CN202650755U (en) | 2012-07-11 | 2012-07-11 | Rotary potentiometer with pressing type self-resetting micro switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220333269 CN202650755U (en) | 2012-07-11 | 2012-07-11 | Rotary potentiometer with pressing type self-resetting micro switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202650755U true CN202650755U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220333269 Expired - Fee Related CN202650755U (en) | 2012-07-11 | 2012-07-11 | Rotary potentiometer with pressing type self-resetting micro switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202650755U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698829A (en) * | 2014-11-27 | 2016-06-22 | 上海航空电器有限公司 | Photoelectric encoder switch pressing mechanism |
| CN108109794A (en) * | 2016-11-24 | 2018-06-01 | 上海航空电器有限公司 | A kind of pressing potentiometer with switch |
-
2012
- 2012-07-11 CN CN 201220333269 patent/CN202650755U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698829A (en) * | 2014-11-27 | 2016-06-22 | 上海航空电器有限公司 | Photoelectric encoder switch pressing mechanism |
| CN105698829B (en) * | 2014-11-27 | 2018-11-16 | 上海航空电器有限公司 | Photoelectric encoder switch press mechanism |
| CN108109794A (en) * | 2016-11-24 | 2018-06-01 | 上海航空电器有限公司 | A kind of pressing potentiometer with switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20200711 |