CN212848160U - Multi-gear speed-regulating locking switch - Google Patents
Multi-gear speed-regulating locking switch Download PDFInfo
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- CN212848160U CN212848160U CN202021179910.8U CN202021179910U CN212848160U CN 212848160 U CN212848160 U CN 212848160U CN 202021179910 U CN202021179910 U CN 202021179910U CN 212848160 U CN212848160 U CN 212848160U
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- 238000003825 pressing Methods 0.000 description 3
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Abstract
The utility model discloses a many gears speed governing locking switch, include: a switch body with a sliding groove for the push rod to do reciprocating linear motion; one end of the push rod is connected with the switch cap, and the other end of the push rod is provided with an inner concave area; one end of the main spring is contacted with the switch body, and the other end of the main spring is positioned in the concave area; the deflector rod comprises an upper rotating body, a connecting shaft and a lower rotating body, and rotates by taking the axis of the connecting shaft as a center, the connecting shaft is arranged in the switch body, the upper end of the connecting shaft extends out of the switch body, one end of the upper rotating body is fixed with the upper end of the connecting shaft, the bottom of the other end of the upper rotating body is provided with a locking tooth pin, the lower rotating body is positioned in the switch body, one end of the lower rotating body is fixed with the connecting shaft, and the other end of; the top of the switch cap is provided with a positioning rack and a return guide rail; and a plate spring having two stagnation slopes contacting the guide positioning block. The utility model discloses simple structure, the simple operation labour saving and time saving presses the speed governing and the auto-lock that the body can easily realize many gears through the operation, has reduced the operation degree of difficulty.
Description
Technical Field
The utility model relates to a switch field specifically belongs to a many gears speed governing locking switch, is applicable to the speed governing type switch that needs remain for a long time at switch-on operating condition, for example in the switch of products such as electric tool (electric screwdriver, electronic angle grinder, electric drilling machine, electric spanner etc.), domestic appliance (dust catcher, mopping machine etc.), oil pump, air pump, flushing machine.
Background
In industrial production and daily life, various electric appliances or electric tools have a switch structure, and the switch structure is usually required to be pressed when the device works.
If the device needs to keep a working state for a long time, most of the devices often need to press the switch structure all the time so as to keep the switch structure on, which brings great inconvenience to the operation of a user and reduces the working efficiency.
In addition, the additional locking switches are arranged on part of the switches, self-locking is realized by using the locking switches, the electric device where the switch is located is always in a switch-on working state, and when the work is finished, the locking switches are operated again to realize unlocking. This also causes great inconvenience to the user's operation, requiring repeated operation of the locking switch, and also increases the cost of the electric device and the switch.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a do not need extra locking switch or do not need the user to last to press just can keep switch-on operating condition's many gears speed governing locking switch for a long time.
In order to solve the technical problem, the utility model provides a many gears speed governing locking switch, including the switch body, switch cap, push rod, mainspring, driving lever, leaf spring, wherein:
a sliding groove for the push rod to do reciprocating linear motion is formed in the switch body;
one end of the push rod is connected with the switch cap, and the other end of the push rod is provided with an inner concave area;
one end of the main spring is in contact with the switch body, and the other end of the main spring is positioned in the concave area;
the shifting rod comprises an upper rotating body, a connecting shaft and a lower rotating body, the shifting rod rotates by taking the axis of the connecting shaft as a center, the connecting shaft is installed in the switch body, the upper end of the connecting shaft extends out of the switch body, one end of the upper rotating body is fixedly connected with the upper end of the connecting shaft, the bottom of the other end of the upper rotating body is provided with a locking tooth pin or a locking tooth bar, the lower rotating body is positioned in the switch body, one end of the lower rotating body is fixedly connected with the connecting shaft, and the other end of the lower rotating body is provided with a guide positioning block;
a return guide rail and a positioning rack matched with the locking rack pin or a positioning rack pin matched with the locking rack pin are formed at the top of the switch cap;
the plate spring is provided with a first stagnation inclined surface and a second stagnation inclined surface which are contacted with the guide positioning block, and the joint of the first stagnation inclined surface and the second stagnation inclined surface protrudes outwards towards the guide positioning block.
The switch further comprises a contact mechanism, wherein the contact mechanism comprises a contact bridge, a contact bridge spring, a first metal piece and a second metal piece, the first metal piece and the second metal piece are fixedly installed in the switch body, the contact bridge is installed on the first metal piece, one end of the contact bridge is located below the second metal piece, the other end of the contact bridge is in contact with a limiting block on the push rod, one end of the contact bridge spring is installed on the switch body, the other end of the contact bridge spring is abutted to the bottom surface of one end, close to the second metal piece, of the contact bridge spring, and when the push rod makes linear motion, the contact bridge spring rotates up and down under the action of the limiting block and attracts or disconnects the second metal piece.
The limiting block is provided with a top surface and an inclined surface, when the push rod is in an initial state without being pressed, one end, far away from the second metal piece, of the contact bridge is in contact with the top surface of the limiting block, the contact bridge is separated from the second metal piece, when the push rod is pressed, the contact bridge rotates by taking the joint of the first metal piece and the contact bridge as a fulcrum, one end, far away from the second metal piece, of the contact bridge is in contact with the inclined surface of the limiting block, and the contact bridge is in contact with the second metal piece.
The further improvement is that a pin is arranged below the first metal piece, and the contact bridge is arranged on the pin.
The further improvement is that the top surface of one end of the contact bridge close to the second metal piece is provided with a movable contact, and the bottom surface of the second metal piece is provided with a static contact.
The switch further comprises a speed regulation signal output mechanism, wherein the speed regulation signal output mechanism comprises a sliding claw and a PCB carbon film resistor, and the sliding claw is fixedly arranged on the push rod and is in sliding contact with the PCB carbon film resistor.
In a further improvement, the switch body is formed with a slot for receiving the leaf spring.
In a further improvement, the switch body is formed with a slot for accommodating the connecting shaft and a through hole for the connecting shaft to extend out.
The switch body is further improved in that a positioning column is formed on the switch body, the connecting shaft is of a hollow shaft sleeve structure, and the connecting shaft is sleeved on the positioning column.
In a further improvement, the return guide rail is an inclined surface.
The utility model discloses a in the many gears speed governing locking switch, driving lever one end is formed with the locking tooth round pin, correspondingly, the switch cap be formed with locking tooth round pin complex location rack, constitute many gears and lockable locking structure, the in-process of user press switch cap, the locking tooth round pin on the driving lever contacts with the location rack on the switch cap and can form many gears auto-lock to can make switch automatic locking keep at operating condition for a long time at a certain speed governing gear. The utility model has the advantages of simple structure, the simple operation labour saving and time saving only needs press the body through the operation and can easily realize the speed governing and the auto-lock of each gear, has reduced user's the operation degree of difficulty, has improved work efficiency.
In addition, a guide positioning block is formed at the other end of the shifting rod and matched with the plate spring, the shifting rod can stably stop on two stagnation inclined planes of the plate spring when rotating, in the process of pressing the switch cap, the rotating angle of the shifting rod is small, the guide positioning block is continuously contacted with one stagnation inclined plane and extrudes the plate spring, when the shifting rod is manually rotated to unlock, the rotating angle of the shifting rod is large, and the guide positioning block slides through the joint of the two stagnation inclined planes and is contacted with the other stagnation inclined plane. The utility model discloses can reply initial position automatically after utilizing return guide rail on the switch cap to make driving lever and switch cap unblock to realize the circulation operation of the unblock of locking of switch.
Drawings
Fig. 1 is an exploded schematic view of the multi-gear speed-regulating locking switch of the present invention;
FIG. 2 is an assembly view of the multi-gear speed-regulating locking switch of the present invention;
fig. 3 is a schematic view of an operating mechanism in the multi-gear speed-regulating locking switch of the present invention;
fig. 4 is a schematic view of a locking mechanism in the multi-gear speed-regulating locking switch of the present invention;
fig. 5 is a schematic view of a contact mechanism in the multi-gear speed-regulating locking switch of the present invention;
fig. 6 is a schematic diagram of a speed-regulating signal output mechanism in the multi-gear speed-regulating locking switch of the present invention;
fig. 7 is a schematic structural view of a deflector rod in the multi-gear speed-regulating locking switch of the present invention;
fig. 8 is a schematic structural view of a plate spring in the multi-gear speed-regulating locking switch of the present invention;
fig. 9a to 9h are schematic diagrams of states of the multi-gear speed-regulating locking switch in the process of speed regulation of each gear of the present invention.
Wherein the reference numerals are as follows:
1 is a switch base; 2 is a deflector rod; 21 is a locking tooth pin; 22 is a connecting shaft; 23 is a guide positioning block; 3 is a main spring; 4 is a push rod; 41 is a limiting block; 5 is a switch cap; 51 is a positioning rack; 52 is a return guide rail; 6 is a switch cover body; 7 is a contact bridge spring; 8 is a contact bridge; 9 is a first metal piece; 10 is a second metal piece; 11 is a plate spring; 111 is a first stagnation slope; 112 is a second stagnation slope; 12 is PCB carbon film resistor; and 13 is a sliding claw.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "formed", "mounted", "connected" and "connected" are to be interpreted broadly, e.g. as being either fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In addition, the technical features mentioned in the different embodiments of the present application described below may be combined with each other as long as they do not conflict with each other.
Example one
In the present embodiment, the multi-gear speed regulation locking switch, as shown in fig. 1, fig. 2, fig. 7, and fig. 8, includes a switch body, a switch cap 5, a push rod 4, a main spring 3, a shift lever 2, and a plate spring 11, wherein:
a sliding groove for the push rod 4 to do reciprocating linear motion is formed in the switch body;
one end of the push rod 4 is connected with the switch cap 5, and the other end of the push rod is provided with an inner concave area;
one end of the main spring 3 is in contact with the switch body, and the other end of the main spring is positioned in the concave area;
the shifting rod 2 comprises an upper rotating body, a connecting shaft 22 and a lower rotating body, the shifting rod rotates by taking the axis of the connecting shaft 22 as a center, the connecting shaft 22 is installed in the switch body, the upper end of the connecting shaft 22 extends out of the switch body, one end of the upper rotating body is fixedly connected with the upper end of the connecting shaft 22, the bottom of the other end of the upper rotating body is provided with a locking tooth pin 21, the lower rotating body is located inside the switch body, one end of the lower rotating body is fixedly connected with the connecting shaft 22, and the other end of the lower rotating body is provided with a guide positioning block 23;
the top of the switch cap 5 is formed with a positioning rack 51 and a return guide rail 52 which are matched with the locking gear pin 21;
the plate spring 11 has a first stagnation inclined surface 111 and a second stagnation inclined surface 112 contacting the guide positioning block 23, and a junction of the first stagnation inclined surface 111 and the second stagnation inclined surface 112 protrudes outward toward the guide positioning block 23.
Specifically, as shown in fig. 1, the switch body includes a switch base 1 and a switch cover 6, and the switch base 1 and the switch cover 6 together form a sliding slot for the push rod 4 to perform a reciprocating linear motion.
The main spring 3 is mounted in a recessed area of the push rod 4, as shown in fig. 3, to provide resistance to forward movement and return force to the push rod 4.
As shown in fig. 4, the return guide rail 52 is a slope.
The switch body is formed with a slot for accommodating the plate spring 11, and similarly, the switch body is formed with a slot for accommodating the connecting shaft 22 and a through hole for extending the connecting shaft 22. Preferably, the clamping groove for accommodating the plate spring 11 and the connecting shaft 22 is formed by combining the switch base 1 and the switch cover 6 together.
Or, the switch body is formed with a positioning column, the connecting shaft 22 is a hollow shaft sleeve structure, and the connecting shaft 22 is sleeved on the positioning column.
An operation part is formed at the top of the upper rotating body of the shifting lever 2 and used for manually controlling the shifting lever 2 to rotate, so that unlocking is realized.
The operation of the multi-position speed-regulating locking switch of the present embodiment will be described in detail with reference to fig. 9a to 9h, in which the number of positioning racks is three, that is, the switch has three positions, but the present embodiment is not limited thereto, and the number of positioning racks, the shape and size of the positioning racks, and the like can be selected as required, and are not limited herein.
As shown in fig. 9a, the switch is in the initial state, when the switch cap 5 and the push rod 4 are not pressed, the shift lever 2 is not rotated, and the guide positioning block 23 of the lower rotor in the shift lever 2 is in contact with the second stop slope 112 of the plate spring 11, preferably, when the shift lever 2 is in the left position of the plate spring 11.
As shown in fig. 9b, when the switch is in a pressed state, a user presses the switch cap 5 and pushes the push rod 4 to move linearly, the locking tooth pin 21 of the upper rotator in the shift lever 2 moves linearly and relatively until contacting with the first tooth of the positioning rack 51, and the guide positioning block 23 of the lower rotator in the shift lever 2 presses the second stop inclined plane 112 of the plate spring 11, and the shift lever 2 is still at the left position of the plate spring 11.
As shown in fig. 9c, the user continues to press the switch cap 5, the shift lever 2 rotates around the axis of the connecting shaft 22, the locking tooth pin 21 moves along the inclined surface of the first tooth of the positioning rack 51, and the guide positioning block 23 does not slide at the intersection of the first stop inclined surface 111 and the second stop inclined surface 112 because the rotation angle of the shift lever 1 is small, so the guide positioning block 23 of the lower rotator in the shift lever 2 continues to press the second stop inclined surface 112 of the plate spring 11, and the shift lever 2 is still at the left position of the plate spring 11.
As shown in fig. 9d, the locking tooth pin 21 enters between the first tooth and the second tooth of the positioning rack 51, the guiding and positioning block 23 of the lower rotator in the shift lever 2 slides on the second stopping inclined plane 112, the second stopping inclined plane 112 makes the shift lever 2 rotate counterclockwise, and at this time, the first locking position is formed, and the switch can keep a long self-locking working state in the first gear, and at this time, the shift lever 2 is still at the left position of the plate spring 11.
When the switch cap 5 is pressed continuously, the process of fig. 9c is repeated, and a second locking position as shown in fig. 9e and a third locking position as shown in fig. 9f are formed, and in the whole process of pressing the switch cap 5, the rotation angle of the shift lever 1 is small, and the guide positioning block 23 does not slide at the intersection of the first stagnation inclined surface 111 and the second stagnation inclined surface 112, so that the guide positioning block 23 of the lower rotator in the shift lever 2 continuously presses the second stagnation inclined surface 112 of the plate spring 11, and the plate spring 11 is deformed.
When the unlocking is performed after the work is finished, the shift lever 2 is manually rotated through the operation part on the shift lever 2, the shift lever 2 rotates under the action of the torsional force, the rotation angle of the shift lever 2 is large at this time, as shown in fig. 9g, the guide positioning block 23 of the lower rotating body in the shift lever 2 slides from the second stagnation inclined plane 112 to the joint of the first stagnation inclined plane 111 and the second stagnation inclined plane 112 (the highest position of the plate spring 11) and slides to the first stagnation inclined plane 111 to extrude the first stagnation inclined plane 111, and the shift lever 2 is located at the right side position of the plate spring 11 at this time.
After unlocking, under the action of the main spring 3, the push rod 4 and the switch cap 5 start to reset, the locking tooth pin 21 of the shift lever 2 moves relatively along the return guide rail 52 of the switch cap 5, and drives the shift lever 2 to rotate counterclockwise, so that the guide positioning block 23 of the lower rotator slides back to the second stop inclined plane 112 from the first stop inclined plane 111, and finally returns to the initial state (the shift lever 2 returns to the left position of the plate spring 11), as shown in fig. 9 h.
In this embodiment, a locking tooth pin is formed at one end of the shift lever, and correspondingly, a positioning rack matched with the locking tooth pin is formed on the switch cap, so that a multi-gear and lockable locking structure is formed. The utility model has the advantages of simple structure, the simple operation labour saving and time saving only needs press the body through the operation and can easily realize the speed governing and the auto-lock of each gear, has reduced user's the operation degree of difficulty, has improved work efficiency.
In addition, a guide positioning block is formed at the other end of the shifting rod and matched with the plate spring, the shifting rod can stably stop on two stagnation inclined planes of the plate spring when rotating, in the process of pressing the switch cap, the rotating angle of the shifting rod is small, the guide positioning block is continuously contacted with one stagnation inclined plane and extrudes the plate spring, when the shifting rod is manually rotated to unlock, the rotating angle of the shifting rod is large, and the guide positioning block slides through the joint of the two stagnation inclined planes and is contacted with the other stagnation inclined plane. The utility model discloses can reply initial position automatically after utilizing return guide rail on the switch cap to make driving lever and switch cap unblock to realize the circulation operation of the unblock of locking of switch.
Example two
On the basis of the first embodiment, the switch of the present embodiment further includes a contact mechanism, as shown in fig. 5, the contact mechanism comprises a contact bridge 8, a contact bridge spring 7, a first metal piece 9 and a second metal piece 10, the first metal piece 9 and the second metal piece 10 are fixedly arranged in the switch body, the contact bridge 8 is arranged on the first metal piece 9, one end of the contact bridge 8 is positioned below the second metal piece 10, the other end of the contact bridge is contacted with a limit block 41 on the push rod 4, one end of the contact bridge spring 7 is installed on the switch body, the other end of the contact bridge spring is abutted against the bottom surface of one end of the contact bridge 8 close to the second metal piece 10, the contact bridge spring 7 is in a compressed state, when the push rod 4 moves linearly, the contact bridge 8 rotates up and down under the action of the contact bridge spring 7 and the limiting block 41 to be attracted or disconnected with the second metal piece 10.
The limiting block 41 is provided with a top surface and an inclined surface, when the push rod 4 is in an initial state without being pressed, one end of the contact bridge 8, which is far away from the second metal piece 10, is in contact with the top surface of the limiting block 41, the contact bridge 8 is separated from the second metal piece 10, when the push rod 4 is pressed, the contact bridge 8 rotates by taking the joint of the first metal piece 9 and the contact bridge 8 as a fulcrum, one end of the contact bridge 8, which is far away from the second metal piece 10, is in contact with the inclined surface of the limiting block 41, the contact bridge 8 is in contact with the second metal piece 10, and at this time, the first metal piece 9, the contact bridge 8 and the second metal piece 10 form a passage.
As shown in fig. 5, a pin is disposed below the first metal part 9, and the contact bridge 8 is mounted on the pin.
The top surface of one end of the contact bridge 8 close to the second metal piece 10 is provided with a movable contact, and the bottom surface of the second metal piece 10 is provided with a static contact.
EXAMPLE III
On the basis of the first embodiment and the second embodiment, the switch of the present embodiment further includes a speed regulation signal output mechanism, the speed regulation signal output mechanism includes a sliding claw 13 and a PCB carbon film resistor 12, and the sliding claw 13 is fixedly mounted on the push rod 4 and is in sliding contact with the PCB carbon film resistor 12. The PCB carbon film resistor 12 is arranged on a PCB which is connected with a power supply voltage V1As the relative position of the push rod 4 changes, the contact position of the sliding claw 13 and the PCB carbon film resistor 12 is different, and finally the PCB output is from 0V to the power supply voltage V1The change timing signal of (2).
Example four
The present embodiment has the same principle as the first embodiment, but the different distribution of the multiple-gear locking structures is different.
In this embodiment, one end of the upper rotating body of the shift lever is fixedly connected with the upper end of the connecting shaft, the bottom of the other end is formed with a locking rack, and correspondingly, the top of the switch cap is formed with a positioning gear pin and a return guide rail which are matched with the locking rack. Although the layout of the locking structure of the present embodiment is different from that of the first embodiment, the operation manner and principle of the switch are the same as those of the first embodiment, and those skilled in the art can understand the first embodiment without any doubt, so that the description is not repeated here.
The present invention has been described in detail with reference to the specific embodiments, but these should not be construed as limitations of the present invention. Without departing from the principles of the present invention, those skilled in the art should also recognize that many variations and equivalent substitutions may be made in the shape, arrangement, and number of teeth of the positioning rack, which are also considered to be within the scope of the present invention.
Claims (10)
1. The utility model provides a many gears speed governing locking switch which characterized in that, includes switch body, switch cap, push rod, main spring, driving lever, leaf spring, wherein:
a sliding groove for the push rod to do reciprocating linear motion is formed in the switch body;
one end of the push rod is connected with the switch cap, and the other end of the push rod is provided with an inner concave area;
one end of the main spring is in contact with the switch body, and the other end of the main spring is positioned in the concave area;
the shifting rod comprises an upper rotating body, a connecting shaft and a lower rotating body, the shifting rod rotates by taking the axis of the connecting shaft as a center, the connecting shaft is installed in the switch body, the upper end of the connecting shaft extends out of the switch body, one end of the upper rotating body is fixedly connected with the upper end of the connecting shaft, the bottom of the other end of the upper rotating body is provided with a locking tooth pin or a locking tooth bar, the lower rotating body is positioned in the switch body, one end of the lower rotating body is fixedly connected with the connecting shaft, and the other end of the lower rotating body is provided with a guide positioning block;
a return guide rail and a positioning rack matched with the locking rack pin or a positioning rack pin matched with the locking rack pin are formed at the top of the switch cap;
the plate spring is provided with a first stagnation inclined surface and a second stagnation inclined surface which are contacted with the guide positioning block, and the joint of the first stagnation inclined surface and the second stagnation inclined surface protrudes outwards towards the guide positioning block.
2. The multi-gear speed-regulating locking switch according to claim 1, further comprising a contact mechanism, wherein the contact mechanism comprises a contact bridge, a contact bridge spring, a first metal part and a second metal part, the first metal part and the second metal part are fixedly mounted in the switch body, the contact bridge is mounted on the first metal part, one end of the contact bridge is located below the second metal part, the other end of the contact bridge is in contact with a limit block on the push rod, one end of the contact bridge spring is mounted on the switch body, the other end of the contact bridge spring abuts against the bottom surface of one end, close to the second metal part, of the contact bridge, the contact bridge spring is in a compressed state, and when the push rod moves linearly, the contact bridge rotates up and down under the action of the contact bridge spring and the limit block to be attracted or disconnected with the second metal part.
3. The switch of claim 2, wherein the stopper has a top surface and an inclined surface, when the push rod is in an initial state without being pressed, one end of the contact bridge away from the second metal piece contacts with the top surface of the stopper, the contact bridge is separated from the second metal piece, when the push rod is pressed, the contact bridge rotates with a joint of the first metal piece and the contact bridge as a fulcrum, one end of the contact bridge away from the second metal piece contacts with the inclined surface of the stopper, and the contact bridge contacts with the second metal piece.
4. The multi-gear speed-regulating locking switch according to claim 2, wherein a pin is arranged below the first metal piece, and the contact bridge is mounted on the pin.
5. The multi-gear speed-regulating locking switch according to claim 2, wherein a movable contact is arranged on the top surface of one end of the contact bridge close to the second metal piece, and a fixed contact is arranged on the bottom surface of the second metal piece.
6. The multi-gear speed-regulating locking switch according to claim 1, further comprising a speed-regulating signal output mechanism, wherein the speed-regulating signal output mechanism comprises a sliding claw and a PCB carbon film resistor, and the sliding claw is fixedly mounted on the push rod and is in sliding contact with the PCB carbon film resistor.
7. The multi-speed control lock switch of claim 1, wherein the switch body is formed with a pocket that receives the leaf spring.
8. The multi-gear speed-regulating locking switch according to claim 1, wherein the switch body is formed with a slot for receiving the connecting shaft and a through hole for the connecting shaft to extend out.
9. The multi-gear speed-regulating locking switch according to claim 1, wherein the switch body is formed with a positioning column, the connecting shaft is a hollow shaft sleeve structure, and the connecting shaft is sleeved on the positioning column.
10. The multi-position speed regulating locking switch according to claim 1, wherein said return guide is a ramp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021179910.8U CN212848160U (en) | 2020-06-23 | 2020-06-23 | Multi-gear speed-regulating locking switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021179910.8U CN212848160U (en) | 2020-06-23 | 2020-06-23 | Multi-gear speed-regulating locking switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212848160U true CN212848160U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021179910.8U Active CN212848160U (en) | 2020-06-23 | 2020-06-23 | Multi-gear speed-regulating locking switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212848160U (en) |
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2020
- 2020-06-23 CN CN202021179910.8U patent/CN212848160U/en active Active
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Address after: No. 650, Qingda Road, Heqing Industrial Zone, Pudong New Area, Shanghai 201201 Patentee after: Marquardt Electronic Technology (Shanghai) Co.,Ltd. Country or region after: China Address before: No. 650, Qingda Road, Heqing Industrial Zone, Pudong New Area, Shanghai 201201 Patentee before: MARQUARDT SWITCHES (SHANGHAI) Co.,Ltd. Country or region before: China |
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