CN214043493U - Speed regulation switch and electric equipment - Google Patents
Speed regulation switch and electric equipment Download PDFInfo
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- CN214043493U CN214043493U CN202022841013.5U CN202022841013U CN214043493U CN 214043493 U CN214043493 U CN 214043493U CN 202022841013 U CN202022841013 U CN 202022841013U CN 214043493 U CN214043493 U CN 214043493U
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Abstract
The utility model is suitable for an electronic component technical field provides a speed governing switch and electrical equipment. The speed regulation switch includes: a fixing member; the first electrode and the second electrode are arranged on the fixing piece at intervals; the conductive piece is rotatably arranged on the fixing piece and is connected and conducted with the first electrode, and the conductive piece can rotate towards the second electrode and is in contact conduction with the second electrode; the pushing piece is movably arranged on the fixing piece, and the pushing piece can enable the conductive piece to rotate towards the direction of the second electrode when moving. The utility model provides a speed governing switch has the switching function, can effectively cut off return circuit between power and the load to the safety in utilization performance of equipment has been improved.
Description
Technical Field
The utility model belongs to the technical field of electronic component, especially, relate to a speed governing switch and electrical equipment.
Background
The speed regulation switch of the existing electric equipment generally only has a speed regulation function, when the speed regulation switch is used, a power supply and a load are always in a communicated state, the electric equipment is accelerated from starting or decelerated to shutdown in a mode of gradually pressing or loosening the button of the speed regulation switch, but when the speed regulation switch is not operated, the power supply and the load cannot be cut off, so that the situation that the electric equipment is suddenly started is very easy to occur after the speed regulation switch is touched by mistake when the electric equipment is not used, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of speed governing switch aims at solving among the prior art load and the power of electrical equipment and is in the circuit connected state all the time and leads to having the problem of potential safety hazard.
The utility model discloses a realize like this, a speed governing switch, include:
a fixing member;
the first electrode and the second electrode are arranged on the fixing piece at intervals;
the conductive piece is rotatably arranged on the fixing piece and is connected and conducted with the first electrode, and the conductive piece can rotate towards the second electrode and is in contact conduction with the second electrode;
the pushing piece is movably arranged on the fixing piece, and the pushing piece can enable the conductive piece to rotate towards the direction of the second electrode when moving.
The speed regulation switch further comprises a first elastic piece and a second elastic piece, the first elastic piece is arranged on the fixing piece and provides pretightening force for the conductive piece to rotate towards the second electrode, a limiting part is arranged on the conductive piece, one end of the pushing piece extends to the conductive piece and is located between the limiting part and the second electrode, a blocking part is arranged on one side, facing the limiting part, of the pushing piece, the blocking part abuts against one side, located in the extending direction of the pushing piece, of the limiting part, and the second elastic piece provides pretightening force for the pushing piece to abut against the limiting part.
Further, the pushing piece extends from the blocking part along the direction towards the limiting part to form a sliding groove, and the limiting part can move in the sliding groove.
Furthermore, the other end of the pushing member extends out of the fixing member, a pressing portion is arranged on the portion, located outside the fixing member, of the pushing member, the second elastic member is sleeved on the pushing member, one end of the second elastic member abuts against the pressing portion, and the other end of the second elastic member abuts against the fixing member.
Furthermore, the fixing piece extends outwards from the periphery of the pushing piece to form a first connecting portion, a first boss is arranged on the inner wall of the first connecting portion, and two ends of the second elastic piece are respectively abutted to the first boss and the pressing portion.
Furthermore, the pressing part extends outwards from the periphery of the pushing part to form a second connecting part, the second connecting part is movably sleeved outside the second connecting part, a second boss is arranged outside the first connecting part, a third boss is arranged on the inner wall of the second connecting part, and one side of the second boss departing from the second connecting part is abutted against one side of the first boss departing from the first connecting part.
Furthermore, the surface of the first connecting portion facing the second connecting portion is provided with a guide strip, the surface of the second connecting portion facing the first connecting portion is provided with a guide groove matched with the guide strip, and the guide strip can move in the guide groove.
Further, the first elastic element is a linear spring, and the linear spring is arranged on the fixing element and is positioned on one side of the conductive element, which is far away from the second electrode.
Furthermore, the fixing part is provided with a first convex column facing one side of the conductive part, which is far away from the second electrode, the conductive part is provided with a second convex column, and two ends of the linear spring are respectively sleeved on the first convex column and the second convex column.
Further, the first elastic part is a torsion spring, the torsion spring is fixed on the fixing part, and the elastic end of the torsion spring is connected with the conductive part.
The utility model also provides an electric equipment, including aforementioned speed governing switch.
The utility model discloses the beneficial effect who reaches, be in the first electrode and the second electrode that the interval set up through the setting, utilize the impeller to make the electrically conductive piece that switches on with first electrode connection rotate so that first electrode contacts or separates through electrically conductive piece and second electrode, thereby realize that first electrode and second electrode switch on or break off, and then the break-make in return circuit between load among the control electrical equipment and the power, in order to realize that the speed governing switch can possess the function of closing return circuit between load and the power, improve the security performance of electrical equipment when not using.
Drawings
Fig. 1 is a perspective view of a speed-adjusting switch provided in an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
fig. 3 is an exploded schematic view of a speed control switch according to an embodiment of the present invention;
fig. 4 is another exploded view of a speed control switch according to an embodiment of the present invention;
fig. 5 is another exploded view of a speed control switch according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model discloses a first electrode and the second electrode that the setting is in the interval and sets up, utilize the impeller to make the electrically conductive piece that switches on with first electrode connection rotate so that first electrode passes through electrically conductive piece and second electrode contact or separation, thereby realize that first electrode and second electrode switch on or break off, and then the break-make in return circuit between control electrical equipment's load and the power, in order to realize that the speed governing switch can possess the function of closing load and power return circuit, improve the security performance of electrical equipment when not using.
Example one
Referring to fig. 1-3, for the utility model provides a speed regulating switch, including mounting 1, first electrode 2, second electrode 3, conductive piece 4 and impeller 5. The first electrode 2 and the second electrode 3 are arranged on the fixing part 1 at intervals so as to prevent the first electrode 2 and the second electrode 3 from being in contact conduction, the first electrode 2 is used for being connected with a power supply, the second electrode 3 is used for being connected with a load, the conducting piece 4 is rotatably arranged on the fixing part 1 and is connected and conducted with the first electrode 2, the conducting piece 4 can rotate towards the second electrode 3 and is in contact conduction with the second electrode 3 so as to form conduction between the first electrode 2 and the second electrode 3 through the conducting piece 4, the pushing piece 5 is movably arranged on the fixing part 1, and the conducting piece 4 can rotate towards the second electrode 3 when the pushing piece 5 moves.
Initially, the conductive member 4 is in contact with the first electrode 2 to form conduction, the conductive member 4 is separated from the second electrode 3, so that the first electrode 2 and the second electrode 3 are in a non-contact and off state, the conductive member 4 is driven to rotate towards the second electrode 3 by moving the pushing member 5, the conductive member 4 is made to contact with the second electrode 3, and the first electrode 2 and the second electrode 3 are made to form contact conduction by the conductive member 4.
When the device is used, the first electrode 2 is connected with a power supply, the second electrode 3 is connected with a load, the pushing piece 5 is pressed to enable the conductive piece 4 to rotate towards the second electrode 3 until the conductive piece 4 is contacted with the second electrode 3 to be conducted, so that a loop between the load and the power supply is switched on, and the pushing piece 5 moves towards the opposite direction to enable the conductive piece 4 to be far away from the second electrode 3 to rotate and return to the original position so that the first electrode 2 is separated from the second electrode 3, so that the loop between the load and the power supply is switched off.
The utility model provides a speed governing switch has the switching function, in the application electrical equipment, can effectual circuit between cut-off supply and the load to improve the safety in utilization performance of equipment, in high-power electrical equipment, the importance of this security performance is especially prominent.
In this embodiment, the electrically powered device may be, but is not limited to, an electric tool, such as a drill, an electric wrench, or the like.
In this embodiment, in an actual use of the speed regulation switch provided in this embodiment, the pushing member 5 is connected to the speed regulation circuit, and in a moving process of the pushing member 5, a parameter in the speed regulation circuit can be changed, so that speed regulation is realized, and the speed regulation function of the speed regulation switch belongs to the prior art, and is not repeated herein.
Specifically, the first electrode 2 is fixed on the fixing member 1, the fourth protruding column 21 is arranged on the first electrode 2, and the conductive member 4 is hinged to the fourth protruding column 21 so that the conductive member 4 is always connected to the first electrode 2. Furthermore, the fourth pillar 21 and the first electrode 2 are integrally formed, so that the first electrode 2 and the fourth pillar 21 can have good electrical conductivity.
In the present embodiment, the conductive member 4 is made of a conductive material.
Referring to fig. 5, specifically, the fixing member 1 includes a base 1a and a base plate 1b, the base 1a is hollow and has an opening 1c on one side, and the base plate 1b is disposed in the opening 1c and forms an inner cavity 13 with the base 1 a. In the following embodiments, one end of the pushing member extends out of the inner cavity 13 and extends out of the fixing member 1, and in addition, the conductive member 4, the first electrode 2, the second electrode 3, and a first elastic member 6 described below may be all mounted on the substrate 1b, and then the substrate 1b is mounted on the opening 1c of the base 1a, and the fixing member 1 adopts a split structure, which facilitates the mounting of the structure in the inner cavity 13 and improves the mounting efficiency.
Example two
Referring to fig. 2, on the basis of the first embodiment, the speed regulation switch further includes a first elastic element 6 and a second elastic element 7, the first elastic element 6 is disposed on the fixing element 1 and provides a pre-tightening force for the conductive element 4 to rotate towards the second electrode 3, the conductive element 4 is provided with a limiting portion 41, one end of the pushing element 5 extends towards the conductive element 4 to be located between the limiting portion 41 and the second electrode 3, one side of the pushing element 5 facing the limiting portion 41 is provided with a blocking portion 51, the blocking portion 51 abuts against one side of the limiting portion 41 located in the extending direction of the pushing element 5, and the second elastic element 7 provides the pre-tightening force for the pushing element 5 to abut against the blocking portion 51 and the limiting portion 41.
The limit part 41 and the stop part 51 are matched, the conductive piece 4 is limited when rotating towards the second electrode 3 under the action of the first elastic piece 6, the stop part 51 is abutted against one side, located in the extending direction of the pushing piece 5, of the limit part 41, so that when the pushing piece 5 moves towards the extending direction, the limit part 41 cannot generate interference on the pushing piece 5, when the pushing piece 5 extends towards the extending direction, the limit part 41 loses the limit of the stop part 51 on the pushing piece at the initial position, the conductive piece 4 can rotate towards the second electrode 3 under the action of the first elastic piece 6, when the force degree applied to the pushing piece 5 towards the extending direction is released, the second elastic piece 7 can enable the pushing piece 5 to return to the original position, the limit part 41 is brought back to the original position again by the stop part 51, the conductive piece 4 rotates away from the direction of the second electrode 3, and the first electrode 2 is disconnected and conducted with the second electrode 3.
EXAMPLE III
Referring to fig. 2-4, in the first embodiment or the second embodiment, the pushing member 5 extends from the blocking portion 51 toward the position-limiting portion 41 to form a sliding slot 52, and the position-limiting portion 41 can move in the sliding slot 52. In this way, when the pushing member 5 moves, the stopper 41 can move in the slide groove 52, and the contact area between the stopper 41 and the stopper 51 can be increased without increasing the structure of the stopper 51, so that the reliability of the abutment between the stopper 41 and the stopper 51 can be improved, and the slide groove 52 can guide the movement of the stopper 51 on the pushing member 5, thereby improving the compactness of the structure.
Example four
Referring to fig. 2, on the basis of the second or third embodiment, further, the other end of the pushing member 5 extends out of the fixing member 1, that is, in the opposite extending direction to the second embodiment, a pressing portion 53 is disposed on the portion of the pushing member 5 located outside the fixing member 1, the second elastic member 7 is sleeved on the pushing member 5, and one end of the second elastic member abuts against the pressing portion 53, and the other end abuts against the fixing member 1. The pressing portion 53 and the fixing member 1 compress the second elastic member 7, and the restoring force of the second elastic member 7 moves the pushing member 5 in the direction away from the fixing member 1, so that the blocking portion 51 is always abutted against the limiting portion 41. Specifically, the fixing element 1 extends outward from the periphery of the pushing element 5 to form a first connecting portion 11, that is, in the first embodiment, the first connecting portion 11 is disposed on the base 1a, the inner wall of the first connecting portion 11 is provided with a first boss 111, and two ends of the second elastic element 7 are respectively abutted to the first boss 111 and the pressing portion 53.
Referring to fig. 4-5, further, the pressing portion 53 extends outward from the periphery of the pushing member 5 to form a second connecting portion 531, the second connecting portion 531 is movably sleeved outside the second connecting portion 531, a second boss 112 is disposed outside the first connecting portion 11, a third boss 5311 is disposed on an inner wall of the second connecting portion 531, and a side of the second boss 112 departing from the second connecting portion 531 abuts against a side of the first boss 111 departing from the first connecting portion 11. The cooperation of the second boss 112 and the third boss 5311 can prevent the pushing member 5 from being detached from the fixing member 1.
Referring to fig. 4, further, a surface of the first connection portion 11 facing the second connection portion 531 is provided with a guide bar, a surface of the second connection portion 531 facing the first connection portion 11 is provided with a guide groove 113 engaged with the guide bar, and the guide bar is movable in the guide groove 113. The cooperation of the guide strip and the guide groove 113 can guide the movement of the pushing piece 5, and meanwhile, the pushing piece 5 can move along the guide groove 113, so that the movement is more stable, and the structure compactness is improved.
EXAMPLE five
Referring to fig. 2, on the basis of any one of the second to fourth embodiments, further, the first elastic element 6 may be a linear spring, and the linear spring is disposed on the fixing element 1 and on a side of the conductive element 4 facing away from the second electrode 3. In this way, when the position-limiting part 41 loses the limitation of the blocking part 51, the first elastic element 6 can push the second electrode 3 to rotate towards the first electrode 2. Specifically, the fixing member 1 is provided with a first protruding column 12 facing the side of the conductive member 4 away from the second electrode 3, the conductive member 4 is provided with a second protruding column 42, and two ends of the linear spring are respectively sleeved on the first protruding column 12 and the second protruding column 42 to fix the linear paralysis.
In addition, the first elastic element 6 may also be a torsion spring, the torsion spring is fixed to the fixing element 1, and an elastic end of the torsion spring is connected to the conductive element 4, so that the conductive element 4 has a pre-tightening force for rotating toward the second electrode 3.
In addition, first elastic component 6 can also adopt the torsional spring, and the torsional spring is fixed in inner chamber 13, and is concrete, and the middle part of torsional spring can be fixed on the fixed column in order to realize fixedly, and the elasticity end and the second electrode 3 of torsional spring are connected to make second electrode 3 have towards second electrode 3 pivoted pretightning force.
EXAMPLE six
The utility model also provides an electric equipment, including aforementioned speed governing instrument. The utility model provides an electric equipment can effectual cutting off the return circuit between power and the load to improve the safety in utilization performance of equipment, in high-power electric equipment, the importance of this security performance especially stands out.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (11)
1. A speed regulating switch, comprising:
a fixing member;
the first electrode and the second electrode are arranged on the fixing piece at intervals;
the conductive piece is rotatably arranged on the fixing piece and is connected and conducted with the first electrode, and the conductive piece can rotate towards the second electrode and is in contact conduction with the second electrode;
the pushing piece is movably arranged on the fixing piece, and the pushing piece can enable the conductive piece to rotate towards the direction of the second electrode when moving.
2. The speed-regulating switch according to claim 1, further comprising a first elastic member and a second elastic member, wherein the first elastic member is disposed on the fixing member and provides a pre-tightening force to the conductive member for rotating the second electrode, the conductive member is provided with a limiting portion, one end of the pushing member extends to the conductive member to be located between the limiting portion and the second electrode, one side of the pushing member facing the limiting portion is provided with a blocking portion, the blocking portion abuts against one side of the limiting portion in the extending direction of the pushing member, and the second elastic member provides the pre-tightening force to the pushing member for abutting the blocking portion against the limiting portion.
3. The speed switch of claim 2, wherein the pushing member extends from the blocking portion in a direction toward the position-limiting portion to form a sliding slot, and the position-limiting portion is movable in the sliding slot.
4. The speed-regulating switch according to claim 2, wherein the other end of the pushing member extends out of the fixing member, a pressing portion is provided on a portion of the pushing member outside the fixing member, the second elastic member is sleeved on the pushing member, and one end of the second elastic member abuts against the pressing portion while the other end abuts against the fixing member.
5. The speed regulating switch according to claim 4, wherein the fixing member extends outward from the periphery of the pushing member to form a first connecting portion, a first boss is disposed on an inner wall of the first connecting portion, and two ends of the second elastic member are respectively abutted against the first boss and the pressing portion.
6. The speed regulating switch according to claim 5, wherein the pressing portion extends outward from the periphery of the pushing member to form a second connecting portion, the second connecting portion is movably sleeved outside the second connecting portion, a second boss is disposed outside the first connecting portion, a third boss is disposed on an inner wall of the second connecting portion, and a side of the second boss facing away from the second connecting portion abuts against a side of the first boss facing away from the first connecting portion.
7. The speed switch of claim 6, wherein the surface of the first connecting portion facing the second connecting portion is provided with a guide bar, and the surface of the second connecting portion facing the first connecting portion is provided with a guide groove engaged with the guide bar, and the guide bar is movable in the guide groove.
8. The speed regulating switch of claim 2, wherein the first resilient member is a linear spring disposed on the fixed member and on a side of the conductive member facing away from the second electrode.
9. The speed-regulating switch according to claim 8, wherein the fixing member has a first protrusion on a side facing the conductive member away from the second electrode, the conductive member has a second protrusion, and two ends of the linear spring are respectively sleeved on the first protrusion and the second protrusion.
10. The speed regulating switch according to claim 2, wherein the first elastic member is a torsion spring, the torsion spring is fixed to the fixing member, and an elastic end of the torsion spring is connected to the conductive member.
11. An electrically operated device comprising a speed regulating switch according to any of claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022841013.5U CN214043493U (en) | 2020-11-30 | 2020-11-30 | Speed regulation switch and electric equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022841013.5U CN214043493U (en) | 2020-11-30 | 2020-11-30 | Speed regulation switch and electric equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214043493U true CN214043493U (en) | 2021-08-24 |
Family
ID=77382813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022841013.5U Active CN214043493U (en) | 2020-11-30 | 2020-11-30 | Speed regulation switch and electric equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214043493U (en) |
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2020
- 2020-11-30 CN CN202022841013.5U patent/CN214043493U/en active Active
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