CN218676901U - Multi-pole double-throw travel switch with travel and action force adjusting function - Google Patents
Multi-pole double-throw travel switch with travel and action force adjusting function Download PDFInfo
- Publication number
- CN218676901U CN218676901U CN202221961959.8U CN202221961959U CN218676901U CN 218676901 U CN218676901 U CN 218676901U CN 202221961959 U CN202221961959 U CN 202221961959U CN 218676901 U CN218676901 U CN 218676901U
- Authority
- CN
- China
- Prior art keywords
- adjusting
- travel
- throw
- pole double
- slide rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000009471 action Effects 0.000 title claims abstract description 33
- 230000005405 multipole Effects 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 239000012212 insulator Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Landscapes
- Push-Button Switches (AREA)
Abstract
A multi-pole double-throw travel switch with travel and action force adjusting functions comprises a driving mechanism and a switching mechanism; the driving mechanism comprises a push rod, a compression nut, a slide rod, a mounting plate, a main spring, an auxiliary spring, a support nut and an adjusting washer; the conversion mechanism comprises a shell, an insulating sliding block, a movable contact, a first fixed contact, a second fixed contact, a third fixed contact, a contact spring, an insulator, an insulating cover plate, a rubber pad, an adjusting gasket and a binding post; a push rod and a slide rod of the driving mechanism extend out of the shell and are used for receiving an external control instruction, the push rod drives the slide rod to realize linkage, the slide rod transmits an action instruction to the conversion mechanism, a main spring below the slide rod provides driving force for the movement of the slide rod, and an adjusting washer is designed at the lower end of the main spring and is used for adjusting the action force of the switch; the switching mechanism is composed of a plurality of parallel switching modules to realize the function of multi-pole double-throw, and the lower end of the insulator is provided with an adjusting gasket for adjusting the action stroke of the switch.
Description
Technical Field
The utility model relates to a multitool double-throw travel switch with stroke and action power adjustment function is applicable to the higher occasion of stroke and action power precision requirement.
Background
The conventional travel switch does not have a travel and action force adjusting function, so that the range of the travel and the action force is large, and the high-precision requirement of a user on the travel and the action force cannot be met.
Disclosure of Invention
The utility model aims at overcoming prior art not enough, providing a multitool double-throw travel switch with stroke and power of action adjustment function, compact structure, the switch has stroke and power of action guiding mechanism in actuating mechanism design, can be with stroke and power of action control in predetermined precision range.
The utility model discloses the technical scheme who adopts: a multi-pole double-throw travel switch with travel and action force adjusting functions comprises a driving mechanism and a switching mechanism; the driving mechanism comprises a push rod, a compression nut, a slide rod, a mounting plate, a main spring, an auxiliary spring, a support nut and an adjusting washer; the conversion mechanism comprises a shell, an insulating sliding block, a movable contact, a first fixed contact, a second fixed contact, a third fixed contact, a contact spring, an insulator, an insulating cover plate, a rubber pad, an adjusting gasket and a binding post. The driving mechanism is arranged in the cavity of the mounting plate, and the switching mechanism is arranged in the cavity of the shell; a push rod and a slide rod of the driving mechanism extend out of the shell and are used for receiving an external control instruction, the push rod drives the slide rod to realize linkage, the slide rod transmits an action instruction to the switching mechanism, a main spring below the slide rod provides driving force for popping the slide rod, and an adjusting washer is designed at the lower end of the main spring and is used for adjusting the action force of the switch; the switching mechanism is composed of a plurality of parallel switching modules to realize the function of multi-pole double-throw, each switching module comprises a movable contact, a first fixed contact, a second fixed contact, a third fixed contact, a contact spring and a wiring terminal, the switching function of the switch circuit is realized through the switching of the connection relation between the movable contact and the fixed contacts, and the lower end of the insulator is provided with an adjusting gasket for adjusting the action stroke of the switch.
Actuating mechanism adopt push rod, assist spring, gland nut, slide bar integrated configuration, after the slide bar locking, the push rod can continue to press downwards, makes the switch obtain bigger overstroke.
The utility model has the advantages that: the travel switch is provided with a travel and action force adjusting mechanism, the adjustment of the travel and the action force is realized by adjusting the thickness of each adjusting washer and the number of the adjusting washers, the fine control requirement of the travel and the action force is met, and compared with the existing travel switch, the travel switch has higher travel and action force adjusting precision.
Drawings
Fig. 1 is a structural diagram (a travel switch released state) of the present invention.
Fig. 2 is a structural diagram (a travel switch pressed state) of the present invention.
Fig. 3 is a schematic view of the switching mechanism of the present invention.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings and specific examples.
The utility model, as shown in fig. 1 and 2, is composed of a driving mechanism and a switching mechanism.
The driving mechanism adopts a spring-driven direct-acting structure, the cylindrical helical compression spring drives the slide rod to move to realize the on-off state conversion of the movable contact and the fixed contact, and the transmission operation of the switch conversion mechanism is realized through the movement of the slide rod. The driving mechanism is shown in fig. 1 and 2 and comprises a push rod 1, a compression nut 2, a sliding rod 3, a mounting plate 4, a main spring 5, an auxiliary spring 6, a supporting nut 7 and an adjusting washer 8.
The push rod 1 is arranged in an opening on the upper part of the slide rod 3, the auxiliary spring 6 is arranged below the push rod 1 to realize the reset of the push rod 1, a threaded hole is formed in the upper end of the push rod 1 and is connected with the compression nut 2, and the push rod 1 stops after the step surface 21 at the upper end of the push rod 1 contacts with the compression nut 2. The slide bar 3 is arranged in an opening at the upper part of the mounting plate 4 and can slide up and down along the opening, the slide bar 3 stops after the step surface 31 at the upper end of the slide bar 3 is contacted with the mounting plate 4, and the lower end of the mounting plate 4 is provided with a threaded hole which is connected with the support nut 7. The main spring 5 and the adjusting washers 8 are arranged in a cavity formed by the mounting plate 4 and the supporting nut 7, the main spring 5 provides power for the movement of the sliding rod 3, and the adjustment of the switching action force can be realized by selecting the thickness of a single adjusting washer and increasing or decreasing the number of the adjusting washers.
As shown in fig. 3, the switching mechanism includes a housing 9, an insulating slider 10, a movable contact 11, a first stationary contact 12, a second stationary contact 13, a third stationary contact 14, a contact spring 15, an insulator 16, an insulating cover 17, a rubber pad 18, an adjustment pad 19, and a terminal 20. The movable contact 11 is arranged in the mounting groove of the insulating slide block 10 and moves along the axial direction under the driving of the slide rod 3. When the moving contact 11 is simultaneously in contact with the first stationary contact 12 and the second stationary contact 13, the normally closed circuit of the switch is turned on, and when the moving contact 11 is simultaneously in contact with the second stationary contact 13 and the third stationary contact 14, the normally open circuit of the switch is turned on. The static contact is installed in the cavity formed by the insulator 16 and the insulating cover 17, and the positive pressure required for the stable contact of the movable contact 11 and the static contact is provided by the contact spring 15. The movable contact 11, the first fixed contact 12, the second fixed contact 13, the third fixed contact 14, the contact spring 15 and the binding post 20 form a group of conversion modules, so that the single-pole double-throw function is realized, and the multi-pole double-throw function is realized by increasing the number of the conversion modules. A rubber pad 18 is designed between the mounting plate 4 and the insulator 16, an adjusting gasket 19 is designed between the shell 9 and the insulator 16, and the adjustment of the opening and closing action stroke can be realized by selecting the thickness of a single adjusting gasket and increasing or decreasing the number of the adjusting gaskets. The electrical signal of the travel switch is output through the terminal 20.
The utility model discloses work flow:
the travel switch is switched from a loose state to a compact state, as shown in fig. 1, a push rod 1 drives a sliding rod 3 to move downwards under the action of axial external force, the sliding rod 3 drives a movable contact 11 to move downwards along the axial direction, when the movable contact 11 is completely separated from a first fixed contact 12, a normally closed circuit of the switch is disconnected, when the movable contact 11 is simultaneously contacted with a second fixed contact 13 and a third fixed contact 14, the normally open circuit of the switch is connected, at the moment, the circuit conversion of the switch is completed, when a lower end face 32 of the sliding rod 3 is contacted with a shell 9, the sliding rod 3 stops, the push rod 1 continues to move downwards under the action of external force, and when an upper end face of the push rod is flush with an upper end face of a mounting plate, a pressing process is finished.
The travel switch is switched from a compression state to a release state, as shown in fig. 2, when the sliding rod 3 is in the compression state, the main spring 5 pushes the sliding rod 3 to move upwards when external force is relieved, when the movable contact 11 is completely separated from the third fixed contact 14, the normally open circuit of the switch is disconnected, when the movable contact 11 is simultaneously contacted with the first fixed contact 12 and the second fixed contact 13, the normally closed circuit of the switch is connected, at the moment, the circuit conversion of the switch is completed, when the upper end face 31 of the sliding rod 3 is contacted with the mounting plate 4, the sliding rod 3 stops, the push rod 1 moves upwards under the pushing of the auxiliary spring 6, and when the upper end face 21 of the push rod 1 is contacted with the compression nut 2, the push rod 1 stops.
Claims (5)
1. A multi-pole double-throw travel switch with travel and action force adjusting functions comprises a driving mechanism and a switching mechanism; the method is characterized in that: the driving mechanism comprises a push rod, a compression nut, a slide rod, a mounting plate, a main spring, an auxiliary spring, a supporting nut and an adjusting washer, wherein components formed by the push rod, the auxiliary spring, the compression nut and the slide rod are installed in an opening on the upper portion of the mounting plate, the main spring is installed between the slide rod and the supporting nut, and the slide rod slides up and down along an inner hole of the mounting plate under the elastic action of the main spring.
2. The multi-pole double-throw travel switch with travel and action force adjusting function according to claim 1, wherein: the driving mechanism is provided with an action force adjusting mechanism, and the thickness of a single adjusting washer and the number of the adjusting washers can be selected according to the requirement of the adjusting precision range.
3. The multi-pole double-throw travel switch with travel and action force adjusting function according to claim 1, wherein: the conversion mechanism is provided with a stroke adjusting mechanism, and the thickness of a single adjusting shim and the number of the adjusting shims can be selected according to the requirement of the adjusting precision range.
4. The multi-pole double-throw travel switch with travel and action force adjusting function according to claim 1, wherein: the switching mechanism comprises a shell, an insulating sliding block, a moving contact, a first fixed contact, a second fixed contact, a third fixed contact, a contact spring, an insulator, an insulating cover plate, a rubber pad, an adjusting gasket and a wiring terminal.
5. The multi-pole double-throw travel switch with travel and action force adjusting function according to claim 1, wherein: the switching mechanism is composed of a plurality of parallel switching modules so as to realize the function of multi-pole double-throw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221961959.8U CN218676901U (en) | 2022-07-16 | 2022-07-16 | Multi-pole double-throw travel switch with travel and action force adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221961959.8U CN218676901U (en) | 2022-07-16 | 2022-07-16 | Multi-pole double-throw travel switch with travel and action force adjusting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218676901U true CN218676901U (en) | 2023-03-21 |
Family
ID=85552985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221961959.8U Expired - Fee Related CN218676901U (en) | 2022-07-16 | 2022-07-16 | Multi-pole double-throw travel switch with travel and action force adjusting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218676901U (en) |
-
2022
- 2022-07-16 CN CN202221961959.8U patent/CN218676901U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4772807A (en) | Electric control device for controlling displacement of an element between two predetermined positions | |
| CN218676901U (en) | Multi-pole double-throw travel switch with travel and action force adjusting function | |
| CN113745017A (en) | Large-stroke limit switch with double-spring linkage type driving mechanism | |
| CN212648080U (en) | Large-stroke limit switch with double-spring linkage type driving mechanism | |
| CN217641059U (en) | Waterproof small-size large-current button switch | |
| CN117438239A (en) | Multi-pole double-throw travel switch with travel and action force adjusting function | |
| CN213601797U (en) | Automobile duplex switch | |
| CN210223856U (en) | Micro switch with stroke and action force adjusting function | |
| CN111370254A (en) | Large-current toggle switch with electromagnetic shielding characteristic | |
| US3310762A (en) | Pushbutton snap action switch with permanent magnet latching means | |
| CN201045719Y (en) | Manual and electric integrated push button | |
| CN210296222U (en) | Vacuum circuit breaker interlocking mechanism | |
| CN215955161U (en) | Isolating switch of on-load tap-changer | |
| CN209962929U (en) | Self-locking type manual button | |
| CN210743860U (en) | Vacuum circuit breaker with isolation contact | |
| CN112117146A (en) | Micro switch with stroke and action force adjusting function | |
| CN2343664Y (en) | Contact spring pressure device for vacuum circuit breaker | |
| CN111161963A (en) | Switch assembly with safety accessory solution for emergency stop device | |
| CN220585107U (en) | Three-gear button switch | |
| CN215869067U (en) | Double-shaft driving micro-motion combined toggle switch | |
| CN220963106U (en) | Practical and reliable button switch | |
| CN113990711B (en) | Device for finely adjusting standby stroke of auxiliary contact of contactor | |
| CN216250474U (en) | Heavy current button switch | |
| CN108198738B (en) | Drawer type circuit breaker | |
| CN115602461A (en) | Proximity switch with magnetic adsorption function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230321 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |