CN217444255U

CN217444255U - Push-button switch

Info

Publication number: CN217444255U
Application number: CN202221243229.4U
Authority: CN
Inventors: 李翔; 厉庆慧
Original assignee: Wenzhou Daou Electrical Co ltd
Current assignee: Wenzhou Daou Electrical Co ltd
Priority date: 2021-06-15
Filing date: 2022-05-23
Publication date: 2022-09-16
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to a button switch, including casing and button assembly, fixed mounting circuit board in the casing, integrated insurance module and pilot lamp on the circuit board, set up first stitch in same direction on the casing, the second stitch, third stitch and fourth stitch, each stitch is fixed by epitheca and inferior valve centre gripping, outstanding in four stitches in the casing outside, wherein two stitches are connected the power positive pole respectively and the negative pole, small-size load is connected respectively to two stitches in addition, in four stitches in the casing, wherein three stitch connecting line board, wherein the power break-make between two stitches is controlled by button assembly. The utility model discloses an above-mentioned concrete design, the modular assembly need not external pilot lamp and insurance module, and this switch has drawn forth four stitches in same direction, and the automation of the wire of being convenient for is connected, very big improvement production efficiency, have compact structure, use safe and reliable's advantage.

Description

Push-button switch

Technical Field

The utility model relates to a button switch.

Background

Traditional button switch only has two needles (be used for spot welding, riveting or welded needle have different forms), only has the function of control circuit break-make, can't connect on button switch and take small-size electrical apparatus, needs additionally to connect small-size electrical apparatus, and in order to protect small-size electrical apparatus or safety in utilization, needs additionally to connect a fuse again and protects whole circuit, and not only the wiring is inconvenient, the preparation process is loaded down with trivial details, production efficiency is low, inconvenient be used for modularization assembly and automated production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's weak point, provide a button switch, this button switch's compact structure, the modular assembly of being convenient for and the automatic of wire are connected, have improved production efficiency, use safe and reliable.

The utility model provides a technical scheme that technical problem adopted is: the circuit board is fixedly installed in the shell, a safety module and an indicator lamp are integrated on the circuit board, a first pin, a second pin, a third pin and a fourth pin are arranged on the shell in the same direction, the pins are clamped and fixed by the upper shell and the lower shell and protrude out of four pins on the outer side of the shell, two pins are respectively connected with a positive pole and a negative pole of a power supply, the other two pins are respectively connected with a small-sized load, the circuit board is connected with three pins in the four pins in the shell, and the on-off of the power supply between the two pins is controlled by the button assembly.

The indicator light adopts the emitting diode to be used for indicating the operating condition of small-size load.

The circuit board is arranged in parallel relative to each pin in the shell

The front and the back of the indicator light on the circuit board are respectively connected with the resistor and the diode in series to form an indicator light protection circuit, the indicator light protection circuit is connected with the fuse module and the switch in series after being connected with the small load in parallel, the switch controls the on-off of the main circuit of the circuit, and the main circuit of the fuse module protection circuit.

The utility model discloses an above-mentioned specific design, modular assembly need not external pilot lamp and insurance module, and four stitchs have been drawn forth at same direction to this switch, and the automation of the wire of being convenient for is connected, very big improvement production efficiency, have compact structure, use safe and reliable's advantage.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is an exploded schematic view of a first embodiment of the present invention.

Fig. 2 is an assembled perspective view of fig. 1.

Fig. 3 is an electrical schematic diagram of the present invention.

In the figure: the circuit board comprises a shell 1, an upper shell 1a, a lower shell 1b, a button assembly 2, a spring 2a, a copper cap 2b, an inner button 2c, an outer button 2d, a switch 3, a circuit board 4, a safety module 5, a first pin 6, a second pin 7, a third pin 8, a fourth pin 9, a small load 10, an indicator light 11, a resistor 12 and a diode 13.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in the figure, the utility model discloses a casing and the button subassembly 2 of installing in casing 1, the well-known technique is adopted in the design of button subassembly 2, including spring 2a, copper cap 2b, interior button 2c and outer button 2d, and concrete assembly structure and theory of operation are no longer repeated here. The shell 1 is formed by jointing an upper shell 1a and a lower shell 1b, a circuit board 4 is fixedly installed in the shell 1, a safety module 5 and an indicator light 11 are integrated on the circuit board 4, a first pin 6, a second pin 7, a third pin 8 and a fourth pin 9 are arranged on the shell 1 in the same direction, each pin is clamped and fixed by the upper shell 1a and the lower shell 1b, the pins protrude out of four pins on the outer side of the shell 1, two pins are respectively connected with a positive pole and a negative pole of a power supply, if alternating current is connected, the positive pole and the negative pole are not divided, the other two pins are respectively connected with a small-sized load 10, four pins in the shell 1 are connected with the circuit board 4, and the on-off of the power supply between the two pins is controlled by a button assembly 2. The four pins can be defined differently by modifying the circuit of the circuit board, such as defining one: two pins in the middle are connected with a power supply, and the other two pins are connected with a small load; two can be defined: two pins in the middle are connected with a small load, and the other two pins are connected with a power supply, so that three can be defined: the two pins on the left side are connected with a small load, and the two pins on the right side are connected with a power supply; or define others. As shown in fig. 1, a first pin 6 and a fourth pin 9 are respectively connected to a positive electrode and a negative electrode of a power supply, the first pin 6 and a second pin 7 are connected through a fuse module 5 on a circuit board 4, one ends of the second pin 7 and a third pin 8 are connected through the circuit board 4, the other ends of the second pin 7 and the third pin 8 are connected to a small load 10, and the on-off between the third pin 8 and the fourth pin 9 is controlled by a button assembly 2. The indicator lamp 11 employs a light emitting diode for indicating an operation state of the small load 10. The front and back of the indicator light 11 on the circuit board 4 are respectively connected with the resistor 12 and the diode 13 in series to form an indicator light protection circuit (or an integrated light, an integrated LED and a diode are used), the indicator light protection circuit is connected with the fuse module 5 and the switch 3 in series after being connected with the small load 10 in parallel, the switch 3 controls the on-off of a main circuit of the circuit, and the fuse module 5 protects the main circuit of the circuit. In the embodiment, the circuit board 4 is arranged in parallel with respect to each pin in the housing 1. In practice, the printed circuit board 4 can also be arranged vertically in the housing 1 with respect to the pins. In the working state, when people press the outer button 2d, the inner button 2c is driven to rotate together, meanwhile, the outer button 2d presses the copper cap 2b downwards through the inner button 2c, and the copper cap 2b overcomes the resistance of the spring 2a to move downwards, so that the third pin 8 and the fourth pin 9 are kept separated, and the switch is disconnected. After the outer button 2d is pressed again, the outer button 2d and the inner button 2c lose the downward pressure on the copper cap 2b, and the copper cap 2b moves upward under the action of the spring 2a, so that the third pin 8 and the fourth pin 9 are kept in contact, and the switch is turned on.

It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. The utility model provides a button switch, include the casing and install the button subassembly in the casing, the casing comprises epitheca and inferior valve joint, characterized by is at casing (1) internal fixation installation circuit board (4), integrated insurance module (5) and pilot lamp (11) on circuit board (4), set up first stitch (6) on casing (1) in the same direction, second stitch (7), third stitch (8) and fourth stitch (9), each stitch is by epitheca (1 a) and inferior valve (1 b) centre gripping fixed, salient in four stitches outside casing (1), wherein two stitches are connected the positive pole of power respectively and negative pole, two other stitches are connected small-size load (10) respectively, in four stitches in casing (1), wherein three stitch connection circuit board (4), wherein the power break-make between two stitches is controlled by button subassembly (2).

2. A push button switch according to claim 1, wherein the indicator light (11) is a light emitting diode for indicating the operating state of the small load (10).

3. A push button switch according to claim 2, characterized in that the circuit board (4) is arranged parallel to the pins in the housing (1).

4. A push-button switch according to claim 3, characterized in that the front and back of the indicator light (11) on the circuit board (4) are respectively connected with the resistor (12) and the diode (13) in series to form an indicator light protection circuit, the indicator light protection circuit is connected with the small load (10) in parallel and then connected with the safety module (5) and the switch (3) in series, the switch (3) controls the on-off of the main circuit of the circuit, and the safety module (5) protects the main circuit of the circuit.