CN210837556U

CN210837556U - Internal waterproof microswitch

Info

Publication number: CN210837556U
Application number: CN201921903278.4U
Authority: CN
Inventors: 黄炎; 陈列
Original assignee: Huizhou Fengshi Weiqi Electronic Technology Co ltd
Current assignee: Huizhou Fengshi Weiqi Electronic Technology Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-06-23
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses an interior waterproof micro-gap switch, including shell fragment, terminal, upper terminal and base, the base top is provided with the inner chamber, the terminal is moulded in the inner chamber of base, and terminal upper surface is flat with the inner chamber bottom surface, terminal central authorities are provided with preceding fastener and back fastener, and terminal contact position is provided with first contact hole, and the riveting has the terminal contact in the contact hole, still sets up the middle terminal on the terminal, and the middle terminal is provided with spliced eye, terminal point portion and grafting clip, and the upper terminal is provided with stitch and third contact hole, and the stitch activity imbeds the spliced eye; the elastic piece is provided with a front bayonet, a rear bayonet, a second contact hole and an elastic tongue piece, and the front bayonet and the rear bayonet correspond to the front clamping piece and the rear clamping piece. The service life of the device is more than 100 ten thousand times, the device is conducted at a small distance, the working stroke is more than 1mm, the device is small in size and convenient to install and use, the minimum installation height is 3.5-7.5 mm, and the device can generate operating force doubly, so that the operating force of the product can be more than 5N.

Description

Internal waterproof microswitch

Technical Field

The utility model relates to a waterproof micro-gap switch specifically is an interior waterproof micro-gap switch.

Background

A switch is an electronic component that can open, close, interrupt, or pass a current to another circuit. The waterproof microswitch switch is widely applied to the fields of printers, electronic door locks, intelligent electric meters, water meters, automobile door locks and the like, and has the characteristics of high use frequency and strong operation randomness.

However, the switches disclosed in the market at present cannot be waterproof, or can be waterproof but have large volume, and have no installation positioning hole or only one installation positioning hole, such as (fig. 2) a switch comprising a button, an upper cover, a base, a terminal and a spring sheet. The button drives the elastic sheet, the elastic sheet is converted between the terminals up and down, so that the on-off function is realized, and the switch terminal is a DIP terminal and is only suitable for inserting a PCB or welding wires.

For example, (figure 3) one kind includes button, upper cover, waterproof circle, base, terminal, rotor, moves pole, extension spring. The waterproof switch is characterized in that a button up-and-down driving device is arranged in the lower cover, an NC terminal and an NO terminal are arranged in the lower cover, the button sleeved with the waterproof ring drives the moving plate, the moving plate performs up-and-down conversion between the terminals, and therefore the on-off function is achieved, and the switch terminal is a DIP terminal and only suitable for being inserted into a PCB or a welding wire. At present, a micro switch which is provided with two or three terminals connected from the side or quickly inserted and connected with a connecting wire, can realize the conversion function of a one-way or two-way switch and can quickly insert and connect a circuit without welding or inserting a PCB (printed circuit board) is needed in the market. Both types of switches in the market at present cannot meet the existing market demands.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interior waterproof micro-gap switch to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an inner waterproof micro switch comprises a button, an upper cover, a spring plate, a terminal, an upper terminal, a base, a glue fixing sleeve and a UL wire, wherein an inner cavity is formed in the top of the base, the terminal is coated and molded in the inner cavity of the base, the upper surface of the terminal is level to the bottom surface of the inner cavity, a front clamping piece and a rear clamping piece are arranged in the center of the terminal, a first contact hole is formed in the contact position of the terminal, a terminal contact is riveted in the contact hole, an intermediate terminal is further arranged on the terminal, the intermediate terminal is provided with an inserting hole, a terminal tip portion and an inserting clip, a pin and a third contact hole are formed in the upper terminal, and the pin; the elastic piece is provided with a front bayonet, a rear bayonet, a second contact hole and an elastic tongue piece, and the front bayonet and the rear bayonet correspond to the front clamping piece and the rear clamping piece.

As a further aspect of the present invention: the inner chamber edge is provided with the base capillary groove, and four angles are provided with the location riveting post, openly are provided with a mounting hole, and the side is provided with the lug, and the lug is provided with the fin all around, is provided with the water proof membrane in the base capillary groove, and the water proof membrane periphery is provided with the waterproof circle, and middle trigger position is provided with the elastic ring, the elastic ring direction of water proof membrane is upwards, and the elastic ring below is provided with the drive bump, and the upper cover four corners is provided with four locating holes, and the bottom periphery is provided with the upper cover capillary groove, and. The left side and the right side of the upper cover are provided with a hanging lug and a pressing handle.

As a further aspect of the present invention: the button is in a reverse T shape and is provided with a square head, and the square head is matched with a button hole at the touch hair position of the upper cover.

As a further aspect of the present invention: the pressing handle is characterized in that the head of the pressing handle is provided with a bend, a concave hole is formed in the bend, an elastic tongue piece bent downwards is arranged in the concave hole, the lower edge of the concave shape of the pressing handle is matched with a hanging lug of the upper cover, and the elastic tongue piece of the pressing handle is matched with a groove of the upper cover.

As a further aspect of the present invention: the glue fixing sleeve is in a 'mouth' shape, grooves are formed in the periphery of the inner side of the glue fixing sleeve, the glue fixing sleeve is buckled with four convex ribs at the corresponding positions of the base through the grooves in the periphery of the inner side of the glue fixing sleeve, one end of the UL conductor is welded on the tip of the terminal, and the other end of the UL conductor penetrates out of the through hole of the glue fixing sleeve.

As a further aspect of the present invention: one end of the UL wire is riveted with a plug-in terminal, the plug-in terminal is installed in the socket, the UL wire, the plug-in terminal and the socket are combined into a whole to be embedded into the fixed rubber sleeve, the plug-in terminal is matched with the tip of the terminal, the other end of the UL wire is connected with a waterproof socket, and a waterproof plug is inserted into the waterproof socket.

As a further aspect of the present invention: the middle terminal is bent upwards to be Z-shaped and is provided with a fourth contact hole. The elastic sheet contact moves up and down and is in contact with the third contact hole and the fourth contact hole up and down.

As a further aspect of the present invention: middle terminal upwards bends into "Z" shape, and is provided with down terminal bubble point, bends into "LU" on the terminal next door and is provided with terminal bubble point. The elastic sheet contact moves up and down to be in contact with the lower terminal bubble point and the upper terminal bubble point up and down.

Compared with the prior art, the beneficial effects of the utility model are that: the one-way and two-way switch conversion function can be realized at the same time, and the circuit can be quickly connected in a plug way and can be connected from the side or quickly connected in a plug way; the service life of the device is more than 100 ten thousand times, the device is conducted at a small distance, the working stroke is more than 1mm, the device is small in size and convenient to install and use, the minimum installation height is 3.5-7.5 mm, and the device can generate operating force doubly, so that the operating force of the product can be more than 5N.

Drawings

Fig. 1 is a schematic appearance diagram of an internal waterproof microswitch.

Fig. 2 is a schematic view of a prior art profile.

Fig. 3 is another outline view of the prior art.

Fig. 4 is an exploded view of an internal waterproof microswitch.

Fig. 5 is a drawing of a pressing handle of the inner waterproof microswitch.

Fig. 6 is a water-proof film attached drawing of the inner water-proof microswitch.

Fig. 7 is a drawing of a base of an inner waterproof microswitch.

Fig. 8 is a drawing of an upper cover of the inner waterproof microswitch.

Fig. 9 is a terminal drawing of an inner waterproof microswitch.

Fig. 10 is a terminal modified view of the inner waterproof microswitch.

Fig. 11 is a further improved view of the terminal of the inner waterproof microswitch.

In the figure: 1-pressing handle, 1111-bending, 1112- 'concave' hole, 1113-tongue piece, 1114- 'concave' lower edge, 2-button, 21-square head, 3-upper cover, 31-upper cover waterproof groove, 32-positioning hole, 33-button hole, 34 hanging lug, 35-upper cover groove, 4-waterproof film, 41-waterproof ring, 42-elastic ring, 43-driving salient point, 5-elastic sheet, 51-front bayonet, 52-rear bayonet, 53-second contact hole, 54-elastic tongue piece, 55-crossbeam, 6-elastic sheet contact, 7-terminal, 701-front clamping piece, 702-rear clamping piece, 703-contact hole, 704-plug hole, 705-terminal tip, 706-plug clamp, 714-fourth contact hole, 723-upper terminal bubble point, 724-lower terminal bubble point, 8-terminal contact, 9-upper terminal, 91-pin, 92-third contact hole, 10-base, 101-inner cavity, 102-base waterproof groove, 103-positioning riveting column, 104-mounting hole, 105-lug, 106-convex rib, 11-glue fixation sleeve, 111-groove, 112-through hole, 12-UL wire, 13-socket, 14-plug terminal, 15-waterproof socket and 16-waterproof plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 9, in an embodiment of the present invention, an inner waterproof micro switch includes a button 2, an upper cover 3, a spring plate 5, a terminal 7, an upper terminal 9, a base 10, a glue fixing sleeve 11 and a UL wire 12, an inner cavity 101 is disposed at the top of the base 10, the terminal 7 is wrapped and molded in the inner cavity 101 of the base, the upper surface of the terminal 7 is flush with the bottom surface of the inner cavity 101, a front clip 701 and a rear clip 702 are disposed at the center of the terminal 7, a first contact hole 703 is disposed at a terminal contact position, a terminal contact 8 is riveted in the contact hole 703, a middle terminal is further disposed on the terminal 7, the middle terminal is provided with a plug hole 704, a terminal tip 705 and a plug clip 706, the upper terminal 9 is provided with a pin 91 and a third contact hole 92, and the pin 91 is movably embedded in the; the spring 5 is provided with a front bayonet 51, a rear bayonet 52, a second contact hole 53 and a resilient tongue piece 54, wherein the front bayonet 51 and the rear bayonet 52 correspond to the front clip 701 and the rear clip 702. The elastic sheet 5 generates elasticity through the elastic tongue piece 54, and the contact position of the elastic sheet 5 is urged to move up and down between the third contact hole 92 and the first contact hole 703.

The edge of the inner cavity 101 is provided with a base waterproof groove 102, four corners are provided with positioning riveting columns 103, the front surface is provided with 2 mounting holes 104, the side surface is provided with a convex block 105, and convex ribs 106 are arranged around the convex block 105.

The waterproof structure is characterized in that a waterproof membrane 4 is arranged in the base waterproof groove 102, a waterproof ring 41 is arranged on the periphery of the waterproof membrane 4, an elastic ring 42 is arranged at the middle triggering position, the direction of the elastic ring 42 of the waterproof membrane 4 is upward, and a driving convex point 43 is arranged below the elastic ring 42.

Four positioning holes 32 are arranged at four corners of the upper cover 3, an upper cover waterproof groove 31 is arranged at the periphery of the bottom of the upper cover 3, and a button hole 33 is arranged at the triggering position. The left side and the right side of the upper cover 3 are provided with a hanging lug 34 and a pressing handle 1. The upper cover 3 is matched and assembled with the positioning riveting columns 103 of the base 10 through the four positioning holes 32, the waterproof membrane 4 is sealed between the upper cover and the base, and the base 10 and the upper cover 3 are closed through the positioning riveting columns 103 of the riveting base.

The button 2 is in a shape of inverted T and is provided with a square head 21, and the square head 21 is matched with a button hole 33 at the touch hair position of the upper cover 3 and can move up and down.

The head of the pressure handle 1 is provided with a 90-degree bend 1111, a 'concave' hole 1112 is arranged at the bend 1111, and an elastic tongue 1113 bent downwards is arranged in the 'concave' hole 1112. The concave lower edge 1114 of the pressing handle 1 is matched with the hanging lug 34 of the upper cover 3, and the elastic tongue 1113 of the pressing handle 1 is matched with the groove 35 of the upper cover to prevent falling off.

The solid gum cover 11 is "mouth" shape, and inboard is provided with recess 111 all around, gu gum cover 11 passes through four fins 106 lock of inboard recess 111 all around and the corresponding position of base 10, UL wire 12 one end welding is on terminal point portion 705, and the other end wears out from solid gum cover 11's through-hole 112, welds back solid gum cover 11 intussuseption glue, solidifies back and outside waterproof, waterproof micro-gap switch can realize minimum space installation, waterproof, the function that the reliability is high.

The utility model discloses a theory of operation is:

after the pressing handle 1 is pressed, the driving button 2 moves up and down in the button hole 33 of the upper cover 3, the salient points 21 at the bottom of the button drive the elastic ring 42 of the waterproof film 4 to generate elastic deformation and move up and down, the driving salient points 43 of the waterproof film 4 drive the cross beam 55 of the elastic sheet, the elastic tongue piece 54 of the elastic sheet 5 is driven to perform up-and-down switching and bouncing, and the elastic sheet contact 53 is switched and contacted with the upper terminal contact 92 and the lower terminal contact 703.

Example 2

As another implementation manner of the product, the present embodiment is further improved on the basis of embodiment 1, and the improvement lies in that: one end of the UL lead 12 is riveted with a plug terminal 14, the plug terminal 14 is installed in the socket 13, a combination of the UL lead 12, the plug terminal 14 and the socket 13 can be directly inserted into the frame of the glue fixing sleeve 11, and the plug terminal is tightly combined with the terminal tip 705 to realize communication. The other end of the UL wire 12 is connected with a waterproof socket 15, and a waterproof plug 16 is inserted in the waterproof socket 15, so that the whole electric part can be completely waterproof.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Example 3

Referring to fig. 10, the present embodiment is further improved on the basis of embodiment 1, and the improvement is that: the middle terminal is bent upwards to form a "Z" shape, and is provided with a fourth contact hole 714. The spring contact 6 moves up and down to contact with the third contact hole 703 and the fourth contact hole 714, and switches in two directions.

Example 4

Referring to fig. 11, the present embodiment is further improved on the basis of embodiment 1, and the improvement is that: the middle terminal is bent upwards to form a "Z" shape and is provided with a lower terminal bubble point 723, and the side of the terminal 7 bent to form an "u" shape and is provided with an upper terminal bubble point 724. The spring contact 6 moves up and down to contact with the lower terminal bubble point 723 and the upper terminal bubble point 724 up and down, and is switched in a bidirectional mode.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An inner waterproof micro switch comprises a button (2), an upper cover (3), an elastic sheet (5), a terminal (7), an upper terminal (9), a base (10), a glue fixing sleeve (11) and a UL lead (12), wherein an inner cavity (101) is arranged at the top of the base (10), the inner waterproof micro switch is characterized in that the terminal (7) is coated in the inner cavity (101) of the base, the upper surface of the terminal (7) is level with the bottom surface of the inner cavity (101), a front clamping piece (701) and a rear clamping piece (702) are arranged in the center of the terminal (7), a first contact hole (703) is arranged at the contact position of the terminal, a terminal contact (8) is riveted in the contact hole (703), an intermediate terminal is further arranged on the terminal (7), the intermediate terminal is provided with an inserting hole (704), a terminal tip (705) and an inserting clamp (706), a pin (91) and a third contact hole (92) are arranged on the upper terminal (9), the pin (91) is movably embedded into the inserting hole (704); the elastic sheet (5) is provided with a front bayonet (51), a rear bayonet (52), a second contact hole (53) and an elastic tongue piece (54), and the front bayonet (51) and the rear bayonet (52) correspond to the front clamping piece (701) and the rear clamping piece (702).

2. The inner waterproof microswitch according to claim 1, wherein a base waterproof groove (102) is arranged at the edge of the inner cavity (101), positioning rivet columns (103) are arranged at four corners, 2 mounting holes (104) are arranged at the front surface, a convex block (105) is arranged at the side surface, and convex ribs (106) are arranged at the periphery of the convex block (105).

3. The inner waterproof microswitch according to claim 2, wherein a waterproof membrane (4) is arranged in the base waterproof groove (102), a waterproof ring (41) is arranged on the periphery of the waterproof membrane (4), an elastic ring (42) is arranged at the middle triggering position, the elastic ring (42) of the waterproof membrane (4) is upward, and a driving convex point (43) is arranged below the elastic ring (42).

4. The inner waterproof microswitch according to claim 3, wherein four positioning holes (32) are arranged at four corners of the upper cover (3), an upper cover waterproof groove (31) is arranged at the periphery of the bottom, a button hole (33) is arranged at the triggering position, and a hanging lug (34) and a pressing handle (1) are arranged at the left side and the right side of the upper cover (3).

5. The inner waterproof microswitch according to claim 4, wherein the button (2) is in the shape of a reverse T, and is provided with a square head (21), and the square head (21) is matched with a button hole (33) at a touch position of the upper cover (3).

6. The inner waterproof microswitch according to claim 5, wherein the head of the press handle (1) is provided with a (90) degree bend (1111), a 'concave' hole (1112) is arranged at the bend (1111), a downward bent elastic tongue piece (1113) is arranged in the 'concave' hole (1112), the 'concave' lower edge (1114) of the press handle (1) is matched with the hanging lug (34) of the upper cover (3), and the tongue piece (1113) of the press handle (1) is matched with the upper cover groove (35).

7. The inner waterproof microswitch according to claim 1, wherein the glue fixing sleeve (11) is in a shape of a 'mouth', a groove (111) is arranged around the inner side, the glue fixing sleeve (11) is buckled with four convex ribs (106) at corresponding positions of the base (10) through the groove (111) around the inner side, one end of the UL conductor (12) is welded on the terminal tip portion (705), and the other end of the UL conductor penetrates out of the through hole (112) of the glue fixing sleeve (11).

8. The inner waterproof microswitch according to claim 7, wherein one end of the UL conductor (12) is riveted with a plug terminal (14), the plug terminal (14) is installed in the socket (13), the UL conductor (12), the plug terminal (14) and the socket (13) are combined into a whole and embedded in the glue fixing sleeve (11), the plug terminal (14) is matched with the terminal tip (705), the other end of the UL conductor (12) is connected with a waterproof socket (15), and a waterproof plug (16) is inserted in the waterproof socket (15).

9. The inner waterproof microswitch according to claim 1, wherein the middle terminal is bent upwards to form a Z shape and is provided with a fourth contact hole (714), and the spring contact (6) moves up and down to be in contact with the third contact hole (703) and the fourth contact hole (714) up and down.

10. The inner waterproof microswitch as in claim 1, wherein the middle terminal is bent upwards to form a Z shape and is provided with a lower terminal bubble point (723), the side of the terminal (7) is bent to form an L shape and is provided with an upper terminal bubble point (724), and the elastic sheet contact (6) moves up and down and is in up-and-down contact with the lower terminal bubble point (723) and the upper terminal bubble point (724).