CN206179739U - Simple structure's push type electric switch - Google Patents

Abstract

The utility model discloses a push-type electric switch. A casing (1) has a housing chamber, a reset spring (3) is located in the housing chamber, and the upper end of the reset spring (3) supports a pressing column (2); the pressing column (2 ) lower end is located in the accommodating cavity, and the upper end extends out of the housing (1); the upper port of the housing (1) has a limit ring (11), and the middle of the pressing column (2) has a limiting protrusion (21); the pressing column (2) There are two conductive protrusions (22) at the lower end, and there are two conductive blocks (4) at the bottom of the accommodating cavity. When the pressing column (2) is pressed, the conductive protrusions (22) contact the conductive blocks (4) respectively; The body (1) has two wire insertion holes (5), the wire insertion hole (5) has a compression threaded hole (6), and is equipped with a compression screw (7), the inner wall of the wire insertion hole (5) has a conductive layer, The conductive layer is electrically connected with the conductive block (4) respectively, and the two conductive protrusions (22) are electrically connected. The electric switch of the utility model is not only simple in structure, but also durable in use.

Description

A push type electric switch with simple structure

technical field

The utility model belongs to the field of electrical appliances, in particular to a push-type electric switch with simple structure and durability.

Background technique

At present, common electric switches in life have two states, on or off, and the electric switches can be kept on or off for a long time. In life, it is rare to see an electric switch that can only be kept in the off state unless it is operated by humans. Even if there is, the structure is either complicated or not durable. For example, in the flashlights used in the early days, a push-type switch was installed on the early flashlights. When the hand was pressed, it was in an open (electrically connected) state. As long as you let go, it will be closed immediately (electrically disconnected). Although this push-type switch has a simple structure, but It consists of two metal sheets arranged at intervals, at least one metal sheet has elasticity, which is achieved by pressing the metal sheet to make the two contact and relying on the elasticity of the metal sheet; after this kind of setting is used for a period of time, the metal sheet is not easy to reset, and it is easy to Lose the function of pressing the switch, the utility model both will solve this problem.

Utility model content

The utility model aims to overcome the deficiencies of the prior art and provide a push-type electric switch with simple structure and durability.

The technical solution adopted by the utility model to solve the technical problem is: a push-type electric switch with a simple structure, including a housing, a pressing column and a return spring; the inside of the housing has an accommodating cavity, and the upper end of the housing is open; the return spring is located at In the accommodating cavity, the lower end of the return spring is located at the bottom of the accommodating cavity, and the upper end supports the pressing column; the lower end of the pressing column is located in the accommodating cavity, and the upper end extends out of the upper port of the housing and is located outside the housing; the upper port of the housing extends inward to form a Limiting ring, the middle of the pressing column extends outward to form a limiting protrusion, and the limiting protrusion is located in the accommodating cavity; the lower end surface of the pressing column is provided with two conductive protrusions, and the bottom of the accommodating cavity is provided with two The conductive block, when the pressing column is pressed, the two conductive protrusions are respectively in contact with the two conductive blocks; the lower end of the housing is provided with two insertion holes, and the radial direction of the insertion hole is provided with a compression threaded hole, and the compression thread The hole is provided with a suitable compression screw, and the inner wall of the wire insertion hole is provided with a conductive layer, and the conductive layer in the two wire insertion holes is respectively electrically connected with the two conductive blocks, and the two conductive protrusions are electrically connected.

Wherein, in the above electric switch, the upper part of the return spring is sheathed on the outer periphery of the pressing column, and the upper end of the return spring directly supports the position-limiting protrusion.

Wherein, in the above electrical switch, the material of the front end of the compression screw is a non-conductive material.

Further, the non-conductive material is plastic.

Wherein, in the above-mentioned electric switch, a conductive layer is provided on the inner wall of the wire insertion hole near the pressing screw hole.

Wherein, in the above electric switch, the material of the conductive protrusion and the conductive block is copper.

Wherein, in the above electric switch, the material of the pressing column and the housing is plastic.

Wherein, in the above electrical switch, the overall shape of the housing, the accommodating cavity and the pressing column is a cuboid.

Wherein, in the above electric switch, the wire insertion hole is a circular hole.

The beneficial effects of the utility model are: the utility model through the setting of the reset spring, the electric switch can still reset the pressing column after long-term use; The relative positions between the conductive protrusions and between the conductive block and the conductive layer are fixed, so the electric wires between them will not be broken due to position changes. The push-type electric switch of the utility model is not only simple in structure, but also durable, and is suitable for popularization and application in the field.

Description of drawings

Fig. 1 is a schematic structural view of one embodiment of the present invention.

The marks in the figure are: 1 is the shell, 11 is the limit ring, 2 is the pressing column, 21 is the limit protrusion, 22 is the conductive protrusion, 3 is the return spring, 4 is the conductive block, 5 is the insertion hole, 6 is to hold down threaded hole, and 7 is to hold down screw.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described.

As shown in Figure 1, the push-type electric switch with simple structure of the present invention includes a housing 1, a pressing column 2 and a return spring 3; the inside of the housing 1 has an accommodating cavity, and the upper end of the housing 1 is open; the return spring 3 is located In the accommodation cavity, the lower end of the return spring 3 is located at the bottom of the accommodation cavity, and the upper end supports the pressing column 2; the lower end of the pressing column 2 is located in the accommodation cavity, and the upper end extends out of the upper port of the housing 1 and is located outside the housing 1; The upper port extends inward to form a limit ring 11, and the middle of the pressing column 2 extends outward to form a limiting protrusion 21, which is located in the accommodating cavity; the lower end surface of the pressing column 2 is provided with two conductive protrusions 22, two conductive blocks 4 are arranged at the bottom of the accommodating cavity, and when the pressing column 2 is pressed, the two conductive protrusions 22 are respectively in contact with the two conductive blocks 4; the lower end of the housing 1 is provided with two insertion holes 5. The radial direction of the wire insertion hole 5 is provided with a compression threaded hole 6, and the compression threaded hole 6 is provided with a suitable compression screw 7. The inner wall of the wire insertion hole 5 is provided with a conductive layer. The conductive layer is electrically connected to the two conductive blocks 4 respectively, and the two conductive bumps 22 are electrically connected.

Preferably, for a more reasonable structure of the electric switch of the present invention, the upper part of the return spring 3 is sheathed on the outer periphery of the pressing column 2 , and the upper end of the return spring 3 directly supports the position-limiting protrusion 21 .

In addition, those skilled in the art know that the main function of disposing the limiting protrusion 21 on the limiting ring 11 is to prevent the pressing column 2 from detaching from the accommodating cavity.

Preferably, in order to use electricity more safely, the material of the front end of the compression screw 7 is a non-conductive material. Those skilled in the art know that the front end is the smaller end.

Further preferably, the non-conductive material is plastic.

Preferably, in order to use electricity more safely, the inner wall of the wire insertion hole 5 is only provided with a conductive layer near the pressing screw hole 6 .

Preferably, in order to reduce resistance and conduct electricity more smoothly, the material of the conductive protrusion 22 and the conductive block 4 is copper.

Preferably, the housing 1 is made of plastic. Those skilled in the art can understand that the material of the casing 1 must be a non-conductive material.

Preferably, for more convenient manufacture and more reasonable structure, the overall shape of the housing 1 , the accommodating cavity and the pressing column 2 is a cuboid.

Preferably, for the convenience of wire insertion, the wire insertion hole 5 is a circular hole.

For the manufacturing method of the push-type electric switch of the utility model, those skilled in the art can directly manufacture it according to the description in the manual or as shown in the accompanying drawings. In the accompanying drawings, the maximum outer diameter of the pressing column 2 is greater than the minimum inner diameter of the upper port of the housing 1, and the pressing column 2 cannot be directly put into the housing 1. In fact, it is very easy for those skilled in the art to solve the problem. 1 is drawn as an integrated structure, the purpose is to make the drawings more beautiful, and it is easy for those skilled in the art to identify the structure of each part. In fact, the housing 1 can be divided into several parts, and several parts can be connected by bonding, small bolts, screws, The structure shown in the specification or shown in the drawings can be combined by means of plugging and the like. The structure shown in the accompanying drawings is a specific preferred embodiment of the utility model, which is convenient for those skilled in the art to understand.

Claims (9)

1. A push-type electric switch with simple structure is characterized in that: it comprises a housing (1), a pressing column (2) and a return spring (3); the housing (1) has an accommodating chamber inside, and the housing (1) ) is open at the upper end; the return spring (3) is located in the accommodation cavity, the lower end of the return spring (3) is located at the bottom of the accommodation cavity, and the upper end supports the pressing column (2); the lower end of the pressing column (2) is located in the accommodation cavity, and the upper end extends out The upper port of the housing (1) is located outside the housing (1); the upper port of the housing (1) extends inward to form a limit ring (11), and the middle of the pressing post (2) extends outward to form a limit Protrusion (21), the limit protrusion (21) is located in the accommodation cavity; the lower end surface of the pressing column (2) is provided with two conductive protrusions (22), and the bottom of the accommodation cavity is provided with two conductive blocks ( 4), when the pressing column (2) is pressed, the two conductive protrusions (22) are respectively in contact with the two conductive blocks (4); the lower end of the housing (1) is provided with two insertion holes (5), and the insertion The radial direction of the wire hole (5) is provided with a compression screw hole (6), and the compression screw hole (6) is provided with a suitable compression screw (7), and the inner wall of the insertion hole (5) is provided with a conductive layer, and the two The conductive layer in each wire insertion hole (5) is respectively electrically connected with the two conductive blocks (4), and the two conductive protrusions (22) are electrically connected. 2. The push-type electric switch with simple structure according to claim 1, characterized in that: the upper part of the return spring (3) is sheathed on the outer periphery of the press column (2), and the upper end of the return spring (3) directly supports the limit raised (21). 3. The push-type electric switch with simple structure according to claim 1, characterized in that: the material of the front end of the pressing screw (7) is non-conductive material. 4. The push-type electric switch with simple structure according to claim 3, characterized in that: the non-conductive material is plastic. 5. The push-type electric switch with simple structure according to claim 3 or 4, characterized in that: a conductive layer is provided on the inner wall of the wire insertion hole (5) near the pressing screw hole (6). 6. The push-type electric switch with simple structure according to claim 1, characterized in that: the material of the conductive protrusion (22) and the conductive block (4) is copper. 7. The push-type electric switch with simple structure according to claim 1, characterized in that: the push column (2) and the housing (1) are made of plastic. 8. The push-type electric switch with simple structure according to claim 1, characterized in that: the overall shape of the housing (1), the accommodating cavity and the pressing column (2) is a cuboid. 9. The push-type electric switch with simple structure according to claim 1, characterized in that the wire insertion hole (5) is a circular hole.