CN215451205U - Improved double-voltage change-over switch - Google Patents
Improved double-voltage change-over switch Download PDFInfo
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- CN215451205U CN215451205U CN202121596957.9U CN202121596957U CN215451205U CN 215451205 U CN215451205 U CN 215451205U CN 202121596957 U CN202121596957 U CN 202121596957U CN 215451205 U CN215451205 U CN 215451205U
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Abstract
The utility model discloses an improved double-voltage change-over switch, which comprises a switch seat and a switch cover, wherein the switch seat is provided with a first switch seat and a second switch seat; the switch push rod is arranged in the switch seat; the main spring is used for driving the switch push rod to return, a plurality of groups of contact pieces are arranged on the switch base, a plurality of groups of elastic pieces are arranged on the switch push rod, a PCB is arranged above the contact pieces, the contact pieces can be in contact with different elastic pieces by pressing the switch push rod, and the contact state of the contact pieces and the PCB can be controlled simultaneously. Through the cooperation of different contact pieces and different shell fragments, through friction contact piece and PCB board front end cooperation, through arranging needle and PCB board rear end cooperation, solved the problem that current switch can't satisfy two voltage switching requirements, can carry out voltage switching with two voltage battery package or two voltage tool conveniently through the promotion of switch push rod.
Description
Technical Field
The utility model relates to the technical field of switch control, in particular to an improved double-voltage change-over switch.
Background
The existing control switch can only be adapted to a single output voltage, and the requirement of voltage switching can not be met for products with dual-voltage battery packs and dual-voltage output. To this end, improvements are proposed.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an improved double-voltage change-over switch which can effectively solve the problems of double-voltage change, has a simple integral structure, greatly improves the double-voltage change-over efficiency, and can be suitable for various double-voltage change-over products, including but not limited to double-voltage battery packs, double-voltage tools and the like.
The technical scheme adopted by the utility model for solving the technical problems is as follows: an improved double-voltage change-over switch comprises a switch base and a switch cover; the switch push rod is arranged in the switch seat; the main spring is used for driving the switch push rod to return, a plurality of groups of contact pieces are arranged on the switch base, a plurality of groups of elastic pieces are arranged on the switch push rod, a PCB is arranged above the contact pieces, the contact pieces can be in contact with different elastic pieces by pressing the switch push rod, and the contact state of the contact pieces and the PCB can be controlled simultaneously.
In the above technical solution, further, the contact pieces include a first contact piece, a second contact piece, a third contact piece, and a friction contact piece, the elastic piece includes a first elastic piece and a second elastic piece, in an initial state, the first contact piece contacts with the first elastic piece, the second elastic piece is located between the second contact piece and the third contact piece, and the second elastic piece contacts with the second contact piece.
In the above technical solution, further, a fixing baffle is further provided on the switch push rod, a first spring and a second spring are provided at front and rear ends of the fixing baffle in the front-rear direction of the switch push rod, the first elastic sheet contacts with the first spring, and the second elastic sheet contacts with the second spring.
In the above technical solution, further, the friction contact piece is disposed on a slider, the slider is embedded in the switch push rod, and the friction contact piece on the slider can be moved synchronously by pressing the switch push rod.
In the above technical solution, further, the first contact piece, the second contact piece, and the third contact piece are disposed on two sides of the switch push rod, and the lengths of the first elastic piece and the second elastic piece can ensure to touch the contact pieces at two ends at the same time.
In the above technical scheme, further, still be provided with the row needle on the switch seat, the PCB board includes PCB board front end and PCB board rear end, the PCB board front end with the friction contact piece cooperatees, the PCB board rear end with arrange the needle and cooperate.
In the above technical solution, further, the switch base is provided with two states, a first state: the first contact piece is contacted with the first elastic piece, the second contact piece is contacted with the second spring, 20A current can be conducted, the friction contact piece is contacted with the front end of the PCB, the rear end of the PCB is contacted with the pin header, 3A current can be conducted, and the second state is that: the first contact piece is not contacted with the first elastic piece, the second elastic piece is contacted with the third contact piece, meanwhile, the friction contact piece is not contacted with the front end of the PCB, and at the moment, 20A current can be conducted.
In the above technical scheme, further, the end cover of switch push rod is equipped with the dust ring, the dust ring is fixed on the switch seat.
The utility model has the beneficial effects that: through the cooperation of different contact pieces and different shell fragments, through friction contact piece and PCB board front end cooperation, through arranging needle and PCB board rear end cooperation, solved the problem that current switch can't satisfy two voltage switching requirements, can carry out voltage switching with two voltage battery package or two voltage tool conveniently through the promotion of switch push rod.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is a state diagram of the contact sheet and the spring sheet in the initial state of the utility model.
Fig. 2 is a state diagram of the contact piece and the spring piece in the pressed state according to the present invention.
Fig. 3 is a state diagram of the slider and the frictional contact piece in the initial state of the present invention.
Fig. 4 is a diagram of the initial state PCB board and pin header of the present invention.
Fig. 5 is a side view of the present invention in an initial state.
Fig. 6 is a side view of the present invention in a pressed state.
In the figure, 1, a switch base, 2, a switch push rod, 3, a main spring, 41, the front end of a PCB, 42, the rear end of the PCB, 5, a first contact piece, 6, a second contact piece, 7, a third contact piece, 8, a friction contact piece, 9, a first elastic piece, 10, a second elastic piece, 11, a fixed baffle, 12, a first spring, 13, a second spring, 14, a sliding block, 15, a pin header and 16, a dust ring.
Detailed Description
Referring to fig. 1-6, an improved dual-voltage change-over switch comprises a switch base 1, wherein the switch base 1 is in a shape of an upper cover and a lower cover, and is fastened and connected in a fastening mode, a movable switch push rod 2 is arranged in the switch base 1, one end of the switch push rod 2 protrudes out of the switch base 1, the other end of the switch push rod 2 is provided with a main spring 3, and the other end of the main spring 3 is attached to the inner wall of the switch base 1 and used for driving the pressed switch push rod 2 to return again. A first contact piece 5, a second contact piece 6, a third contact piece 7 and a friction contact piece 8 are arranged in a switch base 1, wherein the first contact piece 5, the second contact piece 6 and the third contact piece 7 are arranged in two groups, are positioned at two sides of a switch push rod 2, are symmetrical and are directly and longitudinally arranged on a fixed rib in the switch base 1, a first elastic piece 9 and a second elastic piece 10 are arranged on the switch push rod 2, the lengths of the first elastic piece 9 and the second elastic piece 10 can ensure that the first elastic piece 9 and the second elastic piece 10 are simultaneously attached to the first contact piece 5, the second contact piece 6 and the third contact piece 7 positioned at two sides of the switch push rod 2, the first elastic piece 9 and the second elastic piece 10 are provided with a movable interval in the switch base 1, the second elastic piece 10 is positioned between the second contact piece 6 and the third contact piece 7, the friction contact piece 8 is positioned above the first contact piece 5, the second contact piece 6 and the third contact piece 7, a sliding block 14 is arranged between the two, and the sliding block 14 is embedded on the switch push rod 2. The 8 tops of friction contact piece are provided with the PCB board, the PCB board includes PCB board front end 41 and PCB board rear end 42, still be provided with row needle 15 in the switch seat 1, 2 both sides of switch push rod are provided with four groups respectively row needle 15, PCB board front end 41 with friction contact piece 8 contacts, PCB board rear end 42 inserts arrange in the needle 15.
The switch push rod 2 is further provided with a fixed baffle 11, a first spring 12 and a second spring 13 are respectively arranged at the front end and the rear end of the fixed baffle 11, the first spring 12 is in contact with the first elastic sheet 9, the second spring 13 is in contact with the second elastic sheet 10, and the first spring 12 and the second spring 13 are used for controlling the first elastic sheet 9 and the second elastic sheet 10 to return.
In the initial state, the first spring plate 9 contacts with the first contact piece 5, the second spring plate 10 contacts with the second contact piece 6, and the current 20A is conducted, and the front end 41 of the PCB board contacts with the friction contact piece 8, and the current 3A is conducted.
In a pressed state, the first elastic sheet 9 is not in contact with the first contact piece 5, the second elastic sheet 10 is separated from the second contact piece 6 and is in contact with the third contact piece 7, meanwhile, due to the fact that the switch push rod 2 moves, the sliding block 14 drives the friction contact piece 8 above the sliding block to move synchronously, the friction contact piece 8 is separated from a contact area of the front end 41 of the PCB, and at the moment, 20A current can be conducted.
In order to prevent dust from entering, a dust ring 16 is sleeved on the end of the switch push rod 2, and the dust ring 16 is fixed on the switch base 1.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention in any way, and simple modifications, equivalent changes and modifications may be made without departing from the technical scope of the present invention.
Claims (8)
1. An improved double-voltage change-over switch comprises a switch base and a switch cover; the switch push rod is arranged in the switch seat; the switch comprises a switch seat, a main spring and a switch push rod, and is characterized in that a plurality of groups of contact pieces are arranged on the switch seat, a plurality of groups of elastic pieces are arranged on the switch push rod, a PCB is arranged above the contact pieces, the contact pieces can be in contact with different elastic pieces by pressing the switch push rod, and the contact state of the contact pieces and the PCB can be controlled simultaneously.
2. An improved dual voltage transfer switch according to claim 1, wherein the contacts comprise a first contact, a second contact, a third contact, and a friction contact, and the spring comprises a first spring and a second spring, wherein the first contact is in contact with the first spring in an initial state, the second spring is between the second contact and the third contact, and the second spring is in contact with the second contact.
3. An improved dual-voltage change-over switch according to claim 2, wherein the switch push rod is further provided with a fixed baffle, the fixed baffle is provided with a first spring and a second spring at the front end and the rear end of the switch push rod in the front-rear direction, the first elastic sheet is in contact with the first spring, and the second elastic sheet is in contact with the second spring.
4. An improved dual voltage transfer switch according to claim 2, wherein said friction contact is disposed on a slider, said slider is embedded in said switch push rod, and pressing said switch push rod moves said friction contact on said slider synchronously.
5. An improved dual-voltage transfer switch according to claim 2, wherein the first contact piece, the second contact piece and the third contact piece are disposed at two sides of the switch push rod, and the length of the first elastic piece and the second elastic piece can ensure to contact with the contact pieces at two ends simultaneously.
6. An improved dual-voltage transfer switch according to claim 3, wherein the switch base is further provided with a pin header, the PCB comprises a front PCB and a rear PCB, the front PCB is engaged with the friction contact piece, and the rear PCB is engaged with the pin header.
7. An improved dual voltage transfer switch according to claim 6, wherein said switch housing is configured to assume two states, a first state: the first contact piece is contacted with the first elastic piece, the second contact piece is contacted with the second spring, 20A current can be conducted, the friction contact piece is contacted with the front end of the PCB, the rear end of the PCB is contacted with the pin header, 3A current can be conducted, and the second state is that: the first contact piece is not contacted with the first elastic piece, the second elastic piece is contacted with the third contact piece, meanwhile, the friction contact piece is not contacted with the front end of the PCB, and at the moment, 20A current can be conducted.
8. An improved dual-voltage change-over switch as claimed in claim 1, wherein a dust ring is sleeved on an end of the switch push rod, and the dust ring is fixed on the switch base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121596957.9U CN215451205U (en) | 2021-07-14 | 2021-07-14 | Improved double-voltage change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121596957.9U CN215451205U (en) | 2021-07-14 | 2021-07-14 | Improved double-voltage change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215451205U true CN215451205U (en) | 2022-01-07 |
Family
ID=79682118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121596957.9U Active CN215451205U (en) | 2021-07-14 | 2021-07-14 | Improved double-voltage change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215451205U (en) |
-
2021
- 2021-07-14 CN CN202121596957.9U patent/CN215451205U/en active Active
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