TWM588347U - Detection switch - Google Patents

Abstract

This creation is about a detection switch. The insulating base is integrally molded into the receiving slot by injection overmolding. The bottom of the receiving slot is recessed with a terminal slot. The contact surface of the transmitting terminal is exposed on the insulating base. At the bottom surface of the receiving groove of the body, the contact spring piece is positioned on the insulating base body. A through hole is penetrated inside the contact spring piece, and a spring arm is bent down and extended at one side of the through hole, and the resisting end of the spring arm is bent. Form an arc to achieve that when the object is inserted, it will push against the contact surface of the elastic arm contacting the transmission terminal and the contact surface of the transmission terminal is elastically deformed, with the function of in-place detection, and reducing the elastic arm and the contact surface during use. Contact friction to prevent product damage and increase the use of precision detection switches.

Description

Detection switch

This creation provides a detection switch, especially a contact spring of the detection switch. The contact spring is bent downward to extend a spring arm, and the resisting end of the spring arm is bent into an arc to achieve when the object is inserted into the spring. , Reduce the friction between the elastic arm and the contact surface during use, prevent product damage and increase the use of precision detection switches.

According to the advent of the high-tech era, various electronic products are widely used in daily life and workplaces, and improve the efficiency and convenience of life and work. However, in addition to being used indoors, there are many electronic products. Electronic products are portable, not subject to the constraints of time and place, such as notebook computers, tablet computers, multimedia video players, mobile phones, digital cameras, etc., are all electronic products that can be carried and used with you. The design of electronic products is designed in the direction of light, thin, short, and small. The various components used in electronic products have also been reduced and thinned to meet the small size of electronic products and the convenience of portable use. mode.

In addition, among the components and accessories used in various electronic and electrical products, the detection relationship is greatly applied to the control box of various electronic products or mechanical equipment. Generally, the contact switch is used in the control system. When the objects in the system move through contact, the control signal is generated to provide reference values for the control system to determine the object position or work flow, which can be used as For the purpose of indicating when the power is turned on or off, the use of the detection switch is a touch-controlled control. Displacement is caused by the contact of the object, and the conductive part is pressed to connect with the contact terminal, thereby generating a conductive function. Increasing the reliability of the connection between the conducting part and the contact terminal, and improving the stability of the signal transmission, is where the relevant manufacturers in this industry are eager to study the improvement direction.

Therefore, in view of the above-mentioned shortcomings, the creators collected relevant information, evaluated and considered from various parties, and based on years of experience accumulated in this industry, through continuous trials and modifications, they began to design new patentees of this type of detection switch.

The main purpose of this creation is that the transmission base is integrally molded into the receiving groove by injection overmolding. The bottom of the receiving groove is recessed with a terminal groove, and the contact surface of the transmission terminal is exposed on the insulating base. At the bottom surface of the accommodating groove, a positioning portion on one side of the contact elastic piece is positioned in the positioning groove of the insulating seat body, and a pushing portion is provided on the other side of the contact elastic piece. Both sides of the pushing portion extend to the bottom of the contact elastic piece with two arms. A through-hole is penetrated inside the arms on both sides, and a zigzag-shaped elastic arm is extended downward from one side of the through-hole, and the end of the elastic arm is further bent and has a resisting end, so that when an object is inserted into the object, , The contact surface of the elastic arm contacting the transmission terminal which is pushed against the elastic sheet is elastically deformed, and has the function of detecting in place, and the resisting end of the elastic arm end is bent into an arc, which can increase the detection switch. Life and reliability. .

1‧‧‧Insulated base

11‧‧‧ Receiving slot

12‧‧‧Terminal Slot

13‧‧‧ positioning groove

14‧‧‧Slot

2‧‧‧Transmission terminal

21‧‧‧contact surface

22‧‧‧Terminal pins

3‧‧‧ contact shrapnel

30‧‧‧ through hole

31‧‧‧ Bomb Arm

311‧‧‧Rejected

312‧‧‧Pushing Department

3121‧‧‧Side Arm

313‧‧‧Positioning Department

3131‧‧‧ Positioning film

3132‧‧‧Welding feet

4‧‧‧ objects

The first picture is the three-dimensional appearance of this creation.

The second picture is a three-dimensional exploded view of this creation.

The third picture is a three-dimensional exploded view of another perspective of this creation.

The fourth picture is a side cross-sectional view before the creation of this creation.

The fifth picture is a side cross-sectional view after the insertion of this creation.

In order to achieve the above-mentioned purpose and effect, the technical means and structure used in this creation are described in detail below with regard to the preferred embodiment of this creation, and its features and functions are fully understood.

Please refer to the first, second, third, fourth, and fifth figures. As can be clearly seen from the figure, the creative system includes an insulating base 1, a transmission terminal 2, and a contact spring 3. Among them: the inside of the insulating base 1 is A receiving slot 11 is formed, and a terminal slot 12 is recessed at the bottom of the receiving slot 11, and at least one positioning slot 13 is longitudinally sectioned at the bottom of one side of the receiving slot 11. A slot hole 14 communicating with the containing slot 11.

A flat contact surface 21 is provided on the surface of the transmission terminal 2, and a terminal pin 22 is formed on the contact surface 21 by welding with a predetermined circuit board to form an electrical connection.

A through-hole 30 is penetrated inside the contact spring piece 3, and a zigzag-shaped elastic arm 31 is extended downward from a side wall of the through-hole 30, and the end of the elastic arm 31 has a resisting end 311 that is bent upward. Then, a pushing abutment portion 312 is provided on the top of the contact elastic piece 3, and two sides of the pushing abutment portion 312 extend to the bottom of the contact elastic piece 3 with two side arms 3121, and the two side arms 3121 are connected with a positioning portion 313 bent upward and extending upward. The elastic arm 31 is located between the two arms 3121 and is connected to the pushing portion 312. The positioning portion 313 is bent downward to extend at least one positioning piece 3131, and the welding leg is bent downward to extend outward. 3132.

When this work was assembled, the transmission terminal 2 was first overmolded by injection. The transmission terminal 2 is integrally formed in the accommodation groove 11, and the transmission terminal 2 is positioned in the terminal groove 12 of the insulating base 1, and the contact surface 21 of the transmission terminal 2 is exposed in the accommodation groove of the insulating base 1. 11 at the bottom surface, and the terminal pins 22 respectively penetrate the wall surface of the insulating base 1 to the outside, so as to form an electrical connection state with an external circuit board (not shown), and then contact the positioning portion 313 of the elastic sheet 3 The positioning piece 3131 is movably installed in the positioning groove 13 to perform a positioning. At this time, the soldering leg 3132 bent down and extended on the side of the positioning portion 313 can pass through the outside of the slot hole 14 and be welded to a predetermined circuit board to form an electrical connection. To complete the assembly of this creation.

Moreover, in the actual use of this creation, the preset object 4 can be inserted into the receiving slot 11 of the insulating base 1 first, and the preset object 4 will be pushed against the contact spring 3, and the contact portion of the contact spring 3 will be pushed against. A downward force is applied on the surface of 312, so that the pushing portion 312 is displaced downward to push the resisting end 311 of the end of the elastic arm 31 to be elastically deformed downward, so as to be in electrical contact with the contact surface 21 of the transmission terminal 2. It is conductive, so that the detection circuit on the external circuit board is connected to determine whether the preset object 4 is inserted in place, and the resisting end 311 can be bent into an arc to reduce the friction between the resisting end 311 and the contact surface 21. Force to increase the sensitivity of the detection switch. When the preset object 4 is pulled out and the force applied to the surface of the pushing portion 312 is released, the resisting end 311 of the end of the spring arm 31 will be restored to by the elastic restoring force. In situ, and the object 4 can be an electronic card, and the use of this creation can be completed.

In addition, the detection switch of this creation has the following advantages in practical use: the transmission terminal 2 of this creation is integrally formed in the accommodation slot 11, and then the contact spring 3 is movably installed in the positioning slot 13 to form a positioning, and the The contact spring piece 3 is made of a single piece by stamping, which does not require a lot of time for assembly, thereby reducing the manufacturing cost of the detection switch, and the resisting end 311 at the end of the spring arm 31 can be bent into an arc to reduce the resisting Between end 311 and contact surface 21 The friction force increases the service life and reliability of the detection switch. The above detailed description is only a description of a preferred and feasible embodiment of this creation, but this embodiment is not intended to limit the scope of patent application for this creation, and all other equivalent changes and modifications that do not depart from the spirit of the technique disclosed in this creation Changes should be included in the scope of patents covered by this creation.

In summary, when the above-mentioned detection switch of this creation is used, it can truly achieve its efficacy and purpose. Therefore, this creation is a new model with excellent practicability. In order to meet the application requirements of the new type of patent, an application is made according to law. I hope that the jury will grant the case as soon as possible to protect the hard work of the creator. If the jury of the Bureau of the Bureau has any suspicions, please follow the letter and instruct the creator to cooperate as hard as possible.

Claims (5)

A detection switch includes an insulating base body, a transmission terminal, and a contact spring piece, wherein the inside of the insulating base body is formed with a receiving groove, and a terminal groove is recessed at the bottom of the receiving groove; the surface of the transmission terminal is exposed on A contact surface outside the terminal slot, and at least one terminal pin extending outside the insulation base and forming an electrical connection with a predetermined circuit board is extended on a side of the contact surface; a through hole is formed inside the contact spring sheet, and A side wall of the through hole is bent downward to extend the elastic arm, and the end of the elastic arm is bent upward to have a resisting end for resisting the contact surface of the transmission terminal, and the resisting end is arc-shaped, and then contacts the elastic piece The top is provided with a pushing part for inserting a preset object to make the abutting end contact the contact surface. Both sides of the pushing part extend to the bottom of the contact elastic sheet, and the two arms are connected to the insulating base. On the positioning section. The detection switch according to item 1 of the scope of patent application, wherein one side of the insulating base body is provided with a slot hole which can communicate with the receiving slot. The detection switch according to item 1 of the scope of patent application, wherein one side of the positioning portion of the contact spring piece is bent downward to extend at least one positioning piece positioned in a positioning groove on the insulating base body, and is bent downward to the outside There are extending soldering pins that extend out of the insulation base and are welded to a predetermined circuit board to form an electrical connection. The detection switch according to item 1 of the scope of patent application, wherein the elastic arm of the contact elastic piece is located between the two side arms and is connected to the pushing portion. The detection switch according to item 1 of the scope of patent application, wherein the insulating base body is provided with at least one positioning groove in a longitudinal section on the bottom side of the receiving groove.