CN220138184U - Knob capable of preventing misoperation of rotary switch - Google Patents
Knob capable of preventing misoperation of rotary switch Download PDFInfo
- Publication number
- CN220138184U CN220138184U CN202321254656.7U CN202321254656U CN220138184U CN 220138184 U CN220138184 U CN 220138184U CN 202321254656 U CN202321254656 U CN 202321254656U CN 220138184 U CN220138184 U CN 220138184U
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- CN
- China
- Prior art keywords
- rotary switch
- knob
- core
- switch
- base
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The utility model discloses a knob for preventing misoperation of a rotary switch, which comprises a base provided with a through hole, wherein a core is reversely arranged in the through hole of the base, a bolt penetrates through the core to fix a switch rotating shaft through threads, and the switch rotating shaft is matched with the rotary switch; the rotary switch is characterized in that a blind hole is formed in the base, a pressure spring is arranged in the blind hole of the base, a groove with an interval angle is formed in the outer surface of the core, one end of the steel ball is arranged in the groove of the core, the other end of the steel ball is fixed on the pressure spring, and the rotary driving moment of the knob is larger than the rotary switch driving moment by controlling shrinkage deformation of the pressure spring, so that the knob is ensured to drive the rotary switch to switch. When the knob drives the rotary switch Guan Shun to rotate clockwise or anticlockwise to the switch end, the misoperation leads the knob to continuously bear the moment in the same direction. The rotation of the switch rotating shaft is limited in the rotary switch, so that the driving base rotates around the core. The torque received by the inside of the rotary switch is smaller, the limit structure of the rotary switch is protected from being damaged, and the reliability of the whole machine is improved.
Description
Technical Field
The utility model belongs to the technical field of knobs, and particularly relates to a knob capable of preventing misoperation of a rotary switch.
Background
The knob drives the rotary opening Guan Zhuaizhou to do circular motion, thereby realizing the function of assisting in controlling the switching of the rotary switch. The rotary switch is a switch with a plurality of groups of circuit switching functions, but the number of the circuit groups required by a user is generally small, so that the rotary switch is provided with a limiting function, and when an initial gear and a final gear are switch ends. When the switch is turned off, if the switch is turned by force, the limit mechanism is damaged. However, in an emergency, an operator is prone to misoperation, so that the limiting mechanism is damaged, and the rotary switch is damaged. The traditional knob can only drive the rotary switch to switch and can not provide protection and prompt functions of misoperation of the rotary switch.
The utility model provides a knob formula anti-misoperation switch that publication number is CN204011195U, includes the shell, and the axial sets up in the shell and upwards extends the pivot, installs at epaxial knob to and set up the commentaries on classics piece between pivot and shell, install the lock plunger that can control the removal on the knob, be equipped with convex muscle on the shell, be provided with on the lock plunger with convex muscle under different gears complex first recess and second recess. Through add the lock plunger on the knob, through first recess, the second recess on the lock plunger respectively at corresponding gear with the convex muscle cooperation of convex on the shell, realize knob switch's mistake proofing function, improved switch's reliability to simple structure, staff assembly efficiency improves greatly. However, when the operation error cannot be satisfied, the switch limiting structure and the rotary switch are not destroyed.
Disclosure of Invention
In order to solve the above problems, the present utility model is directed to provide a knob for preventing a rotary switch from being erroneously operated,
in order to achieve the above purpose, the present utility model adopts the following technical scheme: a knob for preventing misoperation of a rotary switch comprises a base provided with a through hole, a core is reversely arranged in the through hole of the base, a bolt penetrates through the core to fix a switch rotating shaft through threads, and the switch rotating shaft is matched with the rotary switch;
the rotary switch is characterized in that a blind hole is formed in the base, a pressure spring is arranged in the blind hole of the base, a groove with an interval angle is formed in the outer surface of the core, one end of the steel ball is arranged in the groove of the core, the other end of the steel ball is fixed on the pressure spring, and the rotary driving moment of the knob is larger than the rotary switch driving moment by controlling shrinkage deformation of the pressure spring, so that the knob is ensured to drive the rotary switch to switch.
The core is integrally formed by a stepped cylinder and a disc, a threaded hole is formed in the central axis of the core, two symmetrical bosses are arranged on the exposed end face of the disc, and the bosses are connected with the switch rotating shaft.
The radius of the disc of the core is larger than the maximum radius of the stepped cylinder.
The maximum radius of the core stepped cylinder is consistent with the radius of the through hole of the base.
The pressure spring extrudes the steel ball, and the steel ball clings to the core groove.
The pressure spring pushes the steel ball to slide between the core grooves.
The spacing angle of the outer surfaces of the cores is larger than the rotation angle of the rotary switch.
Compared with the prior art, the utility model has the following advantages:
1. the compression spring is matched with the steel ball, and during normal operation, the knob conversion moment is larger than the conversion moment of the rotary switch, and the knob drives the switch rotating shaft to convert. When the knob drives the rotary switch Guan Shun to rotate clockwise or anticlockwise to the switch end, the misoperation leads the knob to continuously bear the moment in the same direction. The rotation of the switch rotating shaft is limited in the rotary switch, so that the base is driven to rotate around the core by a rotating angle. The torque received by the inside of the rotary switch is smaller, the limit structure of the rotary switch is protected from being damaged, and the rotary switch is prevented from being damaged due to overlarge torque used by the rotary switch at the stop end.
2. The steel ball is pushed by the pressure spring to slide between the core grooves on the basis of the traditional knob, and the rotating jumping function of the knob is increased.
3. Operators can sense that the operation is wrong through the torque difference or the different conversion angles, and the reliability of the whole machine is improved.
Drawings
In order to more clearly illustrate the technical solutions of specific embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of a knob assembly structure for preventing misoperation of a rotary switch in the utility model;
FIG. 2 is a schematic diagram of a knob structure for preventing misoperation of a rotary switch in the utility model;
FIG. 3 is an exploded view of a knob for preventing erroneous operation of a rotary switch according to the present utility model;
in the figure, 1-base; 2-a core; 3-steel balls; 4-a compression spring; 5-bolts; 6-a switch rotating shaft; 7-rotary switch.
Detailed Description
The present utility model will be further described with reference to the drawings and the specific embodiments, but it should not be construed that the scope of the subject matter of the present utility model is limited to the following embodiments, and various modifications, substitutions and alterations made according to the ordinary skill and familiar means of the art to which this utility model pertains are included within the scope of the present utility model without departing from the above technical idea of the utility model.
Referring to fig. 1-3, a knob for preventing misoperation of a rotary switch comprises a base 1 provided with a through hole, a core 2 is inversely installed in the through hole of the base 1, a bolt 5 penetrates through the core 2 and fixes a switch rotating shaft 6 through threads, and a rotary switch 7 is matched on the switch rotating shaft 6;
the novel rotary switch is characterized in that a blind hole is formed in the base 1, a pressure spring 4 is arranged in the blind hole of the base 1, grooves with interval angles are formed in the outer surface of the core 2, one end of the steel ball 3 is installed in the grooves of the core 2, the other end of the steel ball is fixed on the pressure spring 4, and the rotary driving moment of the knob is larger than the driving moment of the rotary switch 7 by controlling shrinkage deformation of the pressure spring 4, so that the knob is guaranteed to drive the rotary switch 7 to switch.
The core 2 is formed by integrating a stepped cylinder and a disc, a threaded hole is formed in the central axis of the core, two symmetrical bosses are arranged on the exposed end face of the disc, and the bosses are connected with the switch rotating shaft 6 to drive the rotary switch rotating shaft 6 to rotate. The disc radius of the core 2 is larger than the maximum radius of the stepped cylinder. The maximum radius of the stepped cylinder of the core 2 is consistent with the radius of the through hole of the base 1.
The pressure spring 4 extrudes the steel ball 3, so that the steel ball 3 clings to the groove of the core 2 and is used for fixing the position of the core 2, and the pressure spring 4 pushes the steel ball 3 to slide between the grooves of the core 2, so that the rotary jumping function of the knob is realized. The interval angle of the outer surface of the core 2 is larger than the rotation angle of the rotary switch 7, so that an operator can conveniently perceive and identify misoperation.
Working principle: turning the knob, wherein the knob conversion torque is larger than the conversion torque of the rotary switch 7, and the knob drives the switch rotating shaft 6 to rotate because the driving torque of the knob is larger than the driving torque of the rotary switch 7; when the knob drives the rotary switch 7 to rotate clockwise or anticlockwise to the switch end, the misoperation leads the knob to continuously bear the moment in the same direction. The rotation of the switch rotating shaft 6 is limited inside the rotary switch 7, the switch rotating shaft 6 is fixed, and the base 1 is driven to rotate around the core 2 by a rotating angle. The torque received by the inside of the rotary switch 7 is smaller, the limit structure of the protection switch is not damaged, and the rotary switch 7 is prevented from being damaged due to overlarge torque used by the rotary switch in place and the end stop.
The above description is made in detail on the knob for preventing misoperation of the rotary switch, and specific examples are applied to the description of the structure and the working principle of the utility model, and the description of the above embodiments is only used for helping to understand the method and the core idea of the utility model. It should be noted that it will be apparent to those skilled in the art that various improvements and modifications can be made to the present utility model without departing from the principles of the utility model, and such improvements and modifications fall within the scope of the appended claims.
Claims (7)
1. The utility model provides a knob of anti-rotation switch maloperation which characterized in that: the automatic control device comprises a base (1) provided with a through hole, wherein a core (2) is inversely installed in the through hole of the base (1), a bolt (5) penetrates through the core (2) and fixes a switch rotating shaft (6) through threads, and a rotary switch (7) is matched on the switch rotating shaft (6);
the novel rotary knob is characterized in that a blind hole is formed in the base (1), a pressure spring (4) is arranged in the blind hole of the base (1), grooves with interval angles are formed in the outer surface of the core (2), one end of the steel ball (3) is installed in the grooves of the core (2), the other end of the steel ball is fixed on the pressure spring (4), and the rotary driving moment of the knob is enabled to be larger than the driving moment of the rotary switch (7) by controlling shrinkage deformation of the pressure spring (4), so that the knob is enabled to drive the rotary switch (7) to be converted.
2. The anti-misoperation knob of the rotary switch according to claim 1, wherein: the core (2) is integrally formed by a stepped cylinder and a disc, a threaded hole is formed in the central axis of the core, two symmetrical bosses are arranged on the exposed end face of the disc, and the bosses are connected with a switch rotating shaft.
3. The anti-misoperation knob of the rotary switch according to claim 2, wherein: the radius of the disc of the core (2) is larger than the maximum radius of the stepped cylinder.
4. The knob for preventing misoperation of a rotary switch according to claim 1 or 2, wherein: the maximum radius of the stepped cylinder of the core (2) is consistent with the radius of the through hole of the base (1).
5. The anti-misoperation knob of the rotary switch according to claim 1, wherein: the pressure spring (4) presses the steel ball (3), and the steel ball (3) is tightly clung to the groove of the core (2).
6. The anti-misoperation knob of the rotary switch according to claim 5, wherein: the pressure spring (4) pushes the steel ball (3) to slide between grooves of the core (2).
7. The anti-misoperation knob of the rotary switch according to claim 1, wherein: the interval angle of the outer surface of the core (2) is larger than the rotation angle of the rotary switch (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321254656.7U CN220138184U (en) | 2023-05-22 | 2023-05-22 | Knob capable of preventing misoperation of rotary switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321254656.7U CN220138184U (en) | 2023-05-22 | 2023-05-22 | Knob capable of preventing misoperation of rotary switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220138184U true CN220138184U (en) | 2023-12-05 |
Family
ID=88964323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321254656.7U Active CN220138184U (en) | 2023-05-22 | 2023-05-22 | Knob capable of preventing misoperation of rotary switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220138184U (en) |
-
2023
- 2023-05-22 CN CN202321254656.7U patent/CN220138184U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |