CN215911339U

CN215911339U - Push-button switch

Info

Publication number: CN215911339U
Application number: CN202122410903.5U
Authority: CN
Inventors: 邹彩芬
Original assignee: Leqing Enci Electronics Technology Co ltd
Current assignee: Leqing Enci Electronics Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-25
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a button switch, which comprises a shell with an upper opening, two static conductive sheets fixed on the shell at intervals, a button rotatably arranged at the upper opening through a pivot shaft, an elastic component for providing reset elasticity for the button and a movable conductor arranged on the inner end of the button, wherein the button drives the movable conductor to rotate when rotating, and the button is provided with two state positions, namely a state position when the movable conductor is simultaneously contacted with the two static conductive sheets and a state position when the movable conductor is not contacted with the two static conductive sheets. The button switch of the utility model drives the movable conductor to rotate through the control of the button and the elastic part, thereby controlling the opening and closing of the circuit between the two static conductive sheets.

Description

Push-button switch

Technical Field

The utility model relates to a button switch, and belongs to the technical field of electric switches.

Background

The refrigerator door switch is one kind of button switch, and is controlled by the opening and closing of the refrigerator door to turn on or off the light source inside the refrigerator. Patent document CN201910349U discloses a refrigerator door switch, which comprises a box body with an open cavity and a closed cavity and a box cover connected with the box body, wherein the top of the box body is provided with a panel with a through hole, the open cavity is provided with a push rod, one end of the push rod penetrates through the through hole and extends out of the open cavity, the other end of the push rod is connected with a spring, the closed cavity is fixed with a wire connecting piece assembly, one end of the wire connecting piece assembly extends out of the bottom of the box body, a connecting part of the open cavity and the closed cavity is provided with a partition board, the partition board is provided with a wheel shaft, and the wheel shaft is connected with a cam. The refrigerator door switch has the advantages of more parts, complex structure and high production cost.

SUMMERY OF THE UTILITY MODEL

In response to the deficiencies noted in the background, the present invention is directed to a push button switch having a relatively simplified and rational structure.

The technical scheme for realizing the purpose of the utility model is as follows:

a button switch comprises a shell with an upper opening, two static conductive sheets fixed on the shell at intervals, a button rotatably arranged at the upper opening through a pivot shaft, an elastic component for providing reset elasticity for the button and a movable conductor arranged at the inner end of the button, wherein the button drives the movable conductor to rotate when rotating, and has two state positions, namely a state position when the movable conductor is simultaneously contacted with the two static conductive sheets and a state position when the movable conductor is not contacted with the two static conductive sheets, the button is in one state position under the action of the elasticity of the elastic component in a normal state, and the button overcomes the elasticity of the elastic component to rotate to the other state position when being subjected to external force.

In the technical scheme, the inner end of the button is provided with a positioning through hole, and the movable conductor is of a cylindrical structure and is inserted into the positioning through hole.

In the technical scheme, the shell is formed by connecting two half shells in a matching way, and the two static conductive sheets are respectively fixed on the two half shells.

In the technical scheme, one of the two half shells is provided with the positioning column, the other half shell is provided with the positioning hole at the corresponding position, and the positioning column is in interference insertion fit with the positioning hole.

Among the above-mentioned technical scheme, half shell bottom is equipped with the jack, on half shell inner wall with the position that the jack is relative is equipped with backstop structure, quiet conducting strip upper end by the jack inserts half shell in and pass through backstop structure is injectd.

In the above technical solution, the stop structure includes an upper stop boss and a lower stop boss formed in the half shell, and an upper positioning portion and a lower positioning portion are formed at corresponding positions on the static conductive sheet;

the bottom in the half shell is provided with a lower stopping boss at two sides of the jack respectively, the lower stopping bosses at two sides of the jack are arranged in a splayed shape, and the upper ends of the lower stopping bosses are abutted against the lower part of the lower positioning part;

and the upper positioning part is matched with the upper stop boss in a positioning way.

In the technical scheme, the inner side wall of the half shell is provided with the inward protruding ribs extending between the insertion holes and the upper stop boss, and the corresponding side face of the static conductive sheet is attached to the inner side face of each rib.

In the technical scheme, the number of the upper stop bosses is three, the upper stop bosses are arranged in a shape like a Chinese character 'pin', and the upper end and the two side ends of the upper positioning part are respectively abutted against the three upper stop bosses.

In the above technical solution, the elastic component is a torsion spring sleeved on the pivot shaft, one end of the elastic component is connected to the button, and the other end of the elastic component is connected to the housing.

In the technical scheme, the outer end of the button is provided with the arc-shaped pressing part, and the outer surface of the pressing part is an arc-shaped surface.

The utility model has the positive effects that: the button switch has the advantages of relatively reduced number of components, simplified and reasonable structure, lower production cost, high use reliability and good practicability.

Drawings

FIG. 1 is a schematic view of a push button switch according to the present invention;

FIG. 2 is a schematic view of the push button switch of FIG. 1 with a half shell removed;

FIG. 3 is a schematic view of a static conductive sheet and a half-shell of the present invention in assembly;

FIG. 4 is a schematic structural diagram of a static conductive sheet according to the present invention;

fig. 5 is a schematic structural view of a half-shell according to the present invention.

The reference symbols shown in the figures are: 1-shell, 10-half shell, 11-positioning column, 12-positioning hole, 13-insertion hole, 14-upper stop boss, 15-lower stop boss, 16-rib, 2-static conductive sheet, 21-upper positioning part, 22-lower positioning part, 3-dynamic conductor, 4-button, 41-positioning perforation, 42-pressing part and 5-elastic part.

Detailed Description

The specific structure of the push-button switch of the present invention is described below with reference to the drawings of the specification:

a button switch, as shown in fig. 1 to 5, comprises a shell 1 with an upper opening, two static conductive sheets 2 fixed on the shell 1 at intervals, a button 4 rotatably arranged at the upper opening through a pivot shaft, an elastic component 5 providing reset elasticity for the button 4 and a movable conductor 3 arranged on the inner end of the button 4, wherein the movable conductor 3 is driven to rotate when the button 4 rotates, and the button 4 has two state positions, which are respectively a state position when the movable conductor 3 is simultaneously contacted with the two static conductive sheets 2 and a state position when the movable conductor 3 is not contacted with the two static conductive sheets 2, under the action of the elastic force of the elastic component 5 in a normal state, the button 4 is in one state position, and the button 4 is rotated to the other state position against the elastic force of the elastic part 5 when being acted by external force. The button switch in the embodiment drives the movable conductor 3 to rotate through the combination of the button 4 and the elastic force control of the elastic component 5 so as to control the opening and closing of the circuit between the two static conductive sheets 2, particularly, the button switch is used as a refrigerator door switch in the installation and use process, the button 4 is in one state position in a normal state (namely when the outer end of the button is not stressed), external force is applied to the outer end of the button 4 when a refrigerator door is closed so as to enable the button to rotate to the other state position, and the movable conductor 3 is driven to rotate in the state position conversion process of the button 4 so as to realize the switching of the on-off state.

In a further specific embodiment of the above solution, as shown in fig. 2 and 3, a positioning through hole 41 is formed at an inner end of the button 4, and the movable conductor 3 is of a cylindrical structure and is inserted into the positioning through hole 41; in the embodiment, the movable conductor 3 is preferably a copper column, and when the movable conductor 3 is installed, the movable conductor is inserted into the positioning through hole 41 at the inner end of the button 4, so that the assembly can be completed, and the assembly is convenient.

In a further specific embodiment of the above scheme, the housing 1 is formed by joining two half shells 10, and the two static conductive sheets 2 are respectively fixed on the two half shells 10; by adopting the structure, the two static conductive sheets 2 are oppositely arranged after the two half shells 10 are butted, and the shell 1 is assembled in a split manner, so that the assembly and the production of the switch are more convenient.

Furthermore, one of the two half shells 10 is formed with a positioning column 11, the other is formed with a positioning hole 12 at a corresponding position, and the positioning column 11 is in interference insertion fit with the positioning hole 12; in the scheme, the reliability of connection of the two half shells 10 is enhanced through the interference insertion fit of the positioning columns 11 and the positioning holes 12; in practice, the connection between the two half-shells 10 can be further strengthened by means of ultrasonic welding.

In a further embodiment of the above solution, the bottom of the half shell 10 is provided with an insertion hole 13, a stop structure is provided at a position on the inner wall of the half shell 10 opposite to the insertion hole 13, and the upper end of the static conductive sheet 2 is inserted into the half shell 10 through the insertion hole 13 and is limited by the stop structure; in the technical scheme of the scheme, the static conducting strip 2 and the jack 13 on the half shell 10 are in plug-in fit and then are stopped and limited through the stop structure, so that the static conducting strip 2 is prevented from loosening and falling off, and the reliability of installation of the static conducting strip 2 is ensured.

In a further embodiment of the foregoing solution, as shown in fig. 3 to 5, the stopping structure includes an upper stopping boss 14 and a lower stopping boss 15 formed in the half shell 10, and an upper positioning portion 21 and a lower positioning portion 22 are formed at corresponding positions on the static conductive plate 2; a lower stopping boss 15 is respectively arranged at the bottom in the half shell 10 on two sides of the insertion hole 13, the lower stopping bosses 15 on two sides of the insertion hole 13 are arranged in a splayed shape, and the upper end of the lower stopping boss 15 is abutted against the lower part of the lower positioning part 22; the upper positioning part 21 is in positioning fit with the upper stop boss 14; in the scheme, the static conducting strip 2 is effectively limited by the structural design that the upper stop boss 14 and the lower stop boss 15 are respectively matched with the upper positioning part 21 and the lower positioning part 22.

In a further specific embodiment of the above solution, as shown in fig. 3 and 5, an inward protruding rib 16 extends from the inner sidewall of the half shell 10 between the insertion hole 13 and the upper stop boss 14, and a corresponding side surface of the static conductive sheet 2 is attached to an inner side surface of the rib 16; the design function of the rib 16 structure is two, firstly, the guide function is realized through the rib in the insertion process of the static conducting strip, and secondly, the support function is realized through the rib after the static conducting strip is installed in place.

In a further specific embodiment of the above solution, as shown in fig. 3, the number of the upper stopping bosses 14 is three, the upper positioning portion 21 is disposed in a delta shape, and the upper end and both side ends of the upper positioning portion respectively abut against the three upper stopping bosses 14; the upper stop boss 14 in the scheme is three, and is distributed in a shape like a Chinese character 'pin' to effectively limit the upper positioning part 21 on the static conductive sheet 2 from three directions, so that the installation stability of the static conductive sheet 2 is further improved.

In a further specific embodiment of the above scheme, as shown in fig. 1 to 4, the elastic component 5 is a torsion spring sleeved on the pivot shaft, one end of the torsion spring is connected to the button 4, and the other end of the torsion spring is connected to the housing 1; one end of the torsion spring is fixedly inserted into the insertion hole of the button 4, and the other end of the torsion spring is pressed against the inner side wall of the shell 1; in the embodiment, a torsion spring is further preferred as the preferred scheme of the elastic component 5 for resetting, the torsion spring is convenient to mount, and the pivot shaft and the button 4 can be integrally formed.

In a further specific embodiment of the above solution, as shown in fig. 1 to 4, an outer end of the button 4 is provided with a circular arc-shaped pressing portion 42, and an outer surface of the pressing portion 42 is a circular arc-shaped surface; with this structure, when the push button switch is used as a door switch of a refrigerator, the corresponding portion of the door acts on the arc surface of the pressing portion 42 when the door is closed, so that the pressing process is smoother.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the utility model are deemed to be covered by the present invention.

Claims

1. A button switch is characterized by comprising a shell (1) with an opening at the upper part, two static conductive sheets (2) fixed on the shell (1) at intervals relatively, a button (4) rotatably arranged at the opening at the upper part through a pivot shaft, an elastic component (5) for providing reset elasticity for the button (4) and a movable conductor (3) arranged at the inner end of the button (4), wherein the movable conductor (3) is driven to rotate when the button (4) rotates, the button (4) is provided with two state positions which are respectively a state position when the movable conductor (3) is simultaneously contacted with the two static conductive sheets (2) and a state position when the movable conductor (3) is not contacted with the two static conductive sheets (2), and the button (4) is in one state position under the action of the elastic component (5) in a normal state, the button (4) is acted by external force and is rotated to another state position against the elastic force of the elastic component (5).

2. The push-button switch according to claim 1, wherein the inner end of the push-button (4) is provided with a positioning through hole (41), and the movable conductor (3) is of a cylindrical structure and is inserted into the positioning through hole (41).

3. Push-button switch according to claim 1, characterized in that the housing (1) is formed by two half-shells (10) joined together, and the two static conductive strips (2) are fixed to the two half-shells (10), respectively.

4. A push button switch according to claim 3, wherein one of the two half shells (10) is formed with a positioning post (11), and the other half shell is formed with a positioning hole (12) at a corresponding position, and the positioning post (11) is in interference fit with the positioning hole (12).

5. A push-button switch according to claim 3, characterized in that the bottom of the half shell (10) is provided with a plug hole (13), a position opposite to the plug hole (13) on the inner wall of the half shell (10) is provided with a stop structure, and the upper end of the static conductive sheet (2) is inserted into the half shell (10) by the plug hole (13) and is limited by the stop structure.

6. The push button switch according to claim 5, wherein the stopping structure comprises an upper stopping boss (14) and a lower stopping boss (15) formed in the half shell (10), and an upper positioning portion (21) and a lower positioning portion (22) are formed on the static conductive sheet (2) at corresponding positions;

the bottom in the half shell (10) is respectively provided with a lower stopping boss (15) at two sides of the insertion hole (13), the lower stopping bosses (15) at two sides of the insertion hole (13) are arranged in a splayed shape, and the upper end of each lower stopping boss (15) is abutted against the lower part of the corresponding lower positioning part (22);

the upper positioning part (21) is matched with the upper stop boss (14) in a positioning mode.

7. The pushbutton switch according to claim 6, characterized in that an inwardly protruding rib (16) extends on the inner side wall of the half shell (10) between the insertion hole (13) and the upper stop boss (14), and the corresponding side surface of the static conductive sheet (2) is attached to the inner side surface of the rib (16).

8. The push button switch according to claim 6, wherein the number of the upper stopper bosses (14) is three, and the upper end and both side ends of the upper positioning portion (21) are respectively abutted against the three upper stopper bosses (14).

9. The push-button switch according to any one of claims 1 to 8, wherein the elastic member (5) is a torsion spring sleeved on the pivot shaft, and one end of the torsion spring is connected with the push button (4) and the other end of the torsion spring is connected with the shell (1).

10. The push button switch according to any one of claims 1 to 8, wherein the outer end of the push button (4) is provided with a circular arc-shaped pressing portion (42), and the outer surface of the pressing portion (42) is a circular arc-shaped surface.