CN210006656U

CN210006656U - sinking plate type detection switch

Info

Publication number: CN210006656U
Application number: CN201921279549.3U
Authority: CN
Inventors: 季旭静
Original assignee: Wenzhou Zhao Industry Electronics Co Ltd
Current assignee: Wenzhou Zhao Industry Electronics Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-01-31
Anticipated expiration: 2029-08-08

Abstract

The utility model relates to an heavy board-like detection switch, comprising a sea, press the handle, torsional spring and two at least electrically conductive fasteners, electrically conductive fastener inlays and locates the internal edge of seat, press handle and torsional spring assembly in the seat, every above-mentioned electrically conductive fastener all attaches at least fastener pins, fastener pin and electrically conductive fastener body shaping set up, the head end of above-mentioned fastener pin is connected in electrically conductive fastener, the main part of fastener pin is located above-mentioned pedestal lateral wall along the direction that deviates from electrically conductive fastener with extending, the tail end of fastener pin is equipped with connection pieces, the connection piece extends to the seat outside, this seat is moulded plastics body shaping and is set up, all above-mentioned connection piece bottom surfaces all are located with plane settings, the utility model discloses a structure that stretches out the connection piece with electrically conductive fastener from pedestal lateral wall middle part, in the detection switch installation, can open the hole in the PCB, sink the position below wholly in the PCB board and reduce the height that detection switch assembles the back and.

Description

sinking plate type detection switch

Technical Field

The utility model relates to an electronic components field, concretely relates to heavy board-like detection switches.

Background

The most common switches are electromechanical devices that are operated in which there are or more electrical contacts, the "closed" of a contact means that the electrical contact is conductive and current is allowed to flow, the "open" of a switch means that the electrical contact is non-conductive and an open circuit is created that does not allow current to flow, and in circuit boards, a sunk plate structure switch, , generally refers to an assembly structure where a portion of the bottom surface of the switch or the entire bottom surface is sunk into the PCB board.

The height of the detection switch (namely the distance between the side deviating from the PCB and the side close to the PCB after the detection switch is installed) is an important parameter of the detection switch, for example, the core technology of the detection switch with the height of 1.2mm is mastered in foreign enterprises, and the detection switch with the height is small even if the foreign capacity is small, so that large-scale use is difficult to meet, namely, the detection switch is uncontrollable and low in capacity.

Disclosure of Invention

The utility model provides an heavy board-like detection switch to solve the lack problem of the little and controllable detection switch of cost of height of assembly back protrusion PCB board.

The utility model adopts the following technical scheme:

sinking plate type detection switch, including a base, a pressing handle, a torsion spring and at least two conductive card, the conductive card is embedded in the inner edge of the base, the pressing handle and the torsion spring are assembled in the base, the pressing end of the pressing handle extends to the outside of the base along the direction deviating from the position of the conductive card, the torsion spring is a conductive torsion spring, the torsion spring is used to connect two conductive cards after the pressing handle is pressed, every conductive card is attached with at least card pins, the card pins and the conductive card are formed, the head ends of the card pins are connected to the conductive card, the main body of the card pins is extended in the side wall of the base along the direction deviating from the conductive card, the tail ends of the card pins are provided with connecting sheets, the connecting sheets extend to the outside of the base, the connecting sheets are arranged in the middle of the side wall of the base, the side wall of the base is connected with the plane of the conductive card, the injection molding card is formed, all the bottom surfaces of the connecting sheets are arranged on planes, and.

, further:

the seat body is in a straight quadrangular prism structure at the outer part. The conductive clamping piece is embedded in the bottom surface in the seat body. The connecting sheet is arranged in an extending way along the direction parallel to the bottom surface of the seat body.

The base body is of a top surface opening structure, the cover body is assembled at the opening of the base body, installation through holes are formed in the cover body, the installation through holes penetrate through the cover body along the thickness direction of the cover body, and the pressing end of the pressing handle penetrates through the cover body and extends out of the base body.

Every conductive card is attached with two card pins, two connecting pieces connected to conductive cards are arranged in parallel, connecting pieces connected to different conductive cards extend in the direction of deviating from each other, and the connecting pieces connected to different conductive cards are respectively arranged in the middle of two side walls opposite to the seat body.

Every the above-mentioned pedestal lateral wall that is equipped with above-mentioned connection piece is equipped with two installation archs, locates the side that two connection pieces in this pedestal lateral wall deviate from each other respectively, and installation arch bottom surface and connection piece bottom surface are in with plane settings.

Each the bottom surface of the base under the conductive card has a plurality of fixing through holes, the fixing through holes extend from the bottom surface of the base to the bottom surface of the conductive card, and the bottom surface of the base has a round chamfer structure.

The pressing handle comprises a pressing portion, a connecting portion and a pivoting shaft, the pressing portion side is arranged on the top surface of the connecting portion end, the pressing portion side is used for being connected with the torsion spring, the pivoting shaft is arranged on the other end of the connecting portion, the pressing portion is the pressing end of the pressing handle, the extending direction of the pivoting shaft is perpendicular to the extending direction of the connecting portion, connecting protrusions are arranged on the side surface of the connecting portion, the connecting protrusions are arranged adjacent to the bottom edge of the connecting portion and protrude out of the side surface of the connecting portion, the connecting protrusions and the side, used for being connected with the torsion spring, of the pressing portion are correspondingly arranged, pivoting grooves are arranged on the inner edge of the side wall of the seat body, provided with the connecting portion, of the seat body, the two pivoting grooves are oppositely arranged, the end portions of the pivoting shaft are rotatably assembled in the two pivoting grooves respectively, the torsion spring comprises spiral main bodies, fixed torsion spring pins, movable torsion spring pins and pressing protrusions, the two torsion spring pins are arranged at the two ends of the spiral main body, the pressing protrusions are arranged on the spiral body, the connecting portion is arranged adjacent to the connecting portion, the pressing portion is arranged adjacent to the connecting portion, and the connecting portion, the connecting portion is arranged adjacent to the connecting portion, and the pressing.

The pressing part is of a pyramid structure.

The conductive clamping piece adjacent to the connecting part is of a Contraband-shaped structure with an opening facing away from the position of another conductive clamping piece, injection molding ports are formed in the bottom surface of the seat body and are of a horseshoe-shaped groove structure, the injection molding ports are arranged at ends of the side walls of the seat body in a penetrating mode, and the injection molding ports are arranged in the middle of Contraband-shaped openings of the conductive clamping piece of the Contraband-shaped structure.

The connecting piece bottom surface is arranged in parallel to the top surface of the seat body, the cover body is covered on the top surface of the seat body, the connecting piece bottom surface is parallel to the top surface of the cover body, and the distance between the plane of the connecting piece bottom surface and the plane of the top surface of the seat body is less than or equal to 1.3mm and more than or equal to 1.0 mm.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

the utility model discloses a structure that stretches out the connection piece of electrically conductive fastener from pedestal lateral wall middle part, in the detection switch assembly, can open the hole in the PCB, wholly immerse the position of pedestal below the connection piece in the PCB board and reduce the height of detection switch assembly back protrusion PCB board, through utilizing the formula of sinking assembly mode, the manufacturing process degree of difficulty of the high little product of detection switch assembly back protrusion PCB board has been reduced, the height of detection switch assembly back protrusion PCB board has been reduced when hardly increasing detection switch manufacturing cost, the market competitiveness of product has greatly been promoted.

And more advance step, because detection switch self size restriction, its pedestal often adopts the injection moulding structure, and the pin of its electrically conductive fastener if according to conventional mode of setting directly stretch out by switch side bottom and buckle to the side middle part again, because the little electrically conductive fastener self of detection switch size is comparatively weak, the structure of outside buckling is in detection switch installation (like paster etc.) easy deformation and lead to the high scheduling problem of product rejection rate, and this outside is buckled and also can lead to detection switch external dimension error to increase, and this size relates to and cooperates with PCB board trompil, the efficiency of sinking the board installation and increase the product rejection rate also can be reduced to this structure, but the utility model discloses a carry out the cladding with the main part of fastener pin through the pedestal of moulding plastics fixedly, the connection piece of electrically conductive fastener is more firm, the assembly is more high-efficient accurate, and detection switch external dimension also is owing to whole injection moulding, the error is controllable, and the yields is high and sinks board installation effectiveness.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional structure of a detection switch at a top view angle according to the present invention.

Fig. 2 is a schematic view of the three-dimensional structure of the detection switch at the bottom view angle according to the present invention.

Fig. 3 is an exploded schematic view of the detection switch of the present invention.

Fig. 4 is a schematic structural view of the assembled pressing handle and torsion spring of the present invention.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Referring to fig. 1 and 3, sinking plate type detection switch includes a base body 1, a pressing handle, a torsion spring, a cover 4 and at least two conductive cards 5, where the base body 1 is a straight quadrangular prism structure with an open top surface, the conductive cards 5 are embedded in the inner edge of the base body 1, the pressing handle and the torsion spring are assembled in the base body 1, the cover 4 is assembled in the open of the base body 1, a pressing end of the pressing handle extends out of the base body 1 along a direction away from the position of the conductive cards 5, the torsion spring is a conductive torsion spring, the torsion spring is used to connect two of the conductive cards 5 after the pressing handle is pressed, each of the conductive cards 5 is provided with at least card pins 51, the card pins 51 and the conductive cards 5 are formed into a body, the torsion spring is matched with the conductive cards 5 to realize the on-off detection function, such as the three or even multiple conductive cards 5 are flatly laid on the bottom surface of the base body 1, and the pins of the torsion spring are pressed to contact with the top surface of the conductive cards 5 to realize the on-off of the corresponding detection circuit, and the like, the preferred embodiment adopts two conductive cards 5, each structures of the two conductive cards 5 are provided in parallel.

Referring to fig. 1, 2 and 3, the head end of the pin 51 of the card connector is connected to the conductive card connector 5, the main body of the pin 51 of the card connector is arranged in the sidewall of the base body 1 in a manner of extending along the direction deviating from the conductive card connector 5, the tail end of the pin 51 of the card connector is provided with connecting pieces 52, the connecting pieces 52 extend out of the base body 1, the connecting pieces 52 are arranged in the middle of the sidewall of the base body 1, the sidewall of the base body 1 is the sidewall of the base body 1 in which the conductive card connector 5 is in planar connection with the conductive card connector 5, i.e., the main body of the pin 51 of the card connector extends along the height direction of the base body 1, the conductive card connector 5 is embedded in the base body 1, the bottom surface of the conductive card connector 5 is connected with the injection molding around the periphery, and the top surface is exposed for contacting with the torsion spring, the connecting pieces 52 extends along the direction parallel to the bottom surface of the base body 1, the injection molding molding of the base body, the main body and part of the pin 51 and part of the connecting piece 52 are wrapped and fixed in the injection molding process, the use, the structure is high in stability, the process, the product is not deviated from the bottom surface of the conductive card connector 52 or deformed, and the conductive card connector 52, the conductive card connector is preferably used for reducing the bending error of the double-type circuit.

With continued reference to fig. 1, 2, and 3, two of the connecting tabs 52 connected to the same conductive clips 5 are arranged in parallel, the connecting tabs 52 connected to different conductive clips 5 extend in a direction away from each other, and the connecting tabs 52 connected to different conductive clips 5 are respectively disposed in the middle of two side walls opposite to the base 1. the bottom surface of the connecting tabs 52 is disposed in parallel to the top surface of the base 1 (and also in parallel to the top surface of the cover 4), and the distance between the plane of the bottom surface of the connecting tabs 52 and the plane of the top surface of the base 1 is not greater than 1.3mm and not greater than 1.0 mm. specifically, the height of the detection switch of the structure is preferably 2.4mm, and the distance between the plane of the bottom surface of the connecting tabs 52 and the plane of the top surface of the cover 4 is 1.2mm, and the remaining 1.2mm of the structure will not affect the PCB setting, and the force applied after the detection switch is sunk into the PCB is all affected by the connecting tabs 52, if the connecting tabs 52 are all deformed in use, therefore, the side walls 1 of the base 1 provided with two mounting protrusions that are disposed in the mounting hole of the base 52, and the mounting efficiency of the mounting of the base is not easily reduced, and the conductive clip 14 is not easily damaged by the mounting of the PCB 5, and the mounting of the base 1, and the mounting of the base 1, which the mounting of the base 1 is not easily damaged PCB, and the mounting of the base 1, thus the mounting of the base 1, which the mounting of the base 1, which the base 1.

Referring to fig. 1, 3 and 4, the pressing handle includes a pressing portion 21, a connecting portion 22 and a pivot shaft 23, the pressing portion 21 is disposed on the top surface of the connecting portion 22 , the pressing portion 21 makes side for connecting with the torsion spring, the pivot shaft 23 is disposed on the other end of the connecting portion 22, the pressing portion 21 is the pressing end of the pressing handle, the pivot shaft 23 extends in a direction perpendicular to the extending direction of the connecting portion 22, connecting protrusions 221 are disposed on the side surface of the connecting portion 22, the connecting protrusions 221 are disposed adjacent to the bottom edge of the connecting portion 22 and protrude out of the side surface of the connecting portion 22, the connecting protrusions 221 and the pressing portion 21 are disposed corresponding to the side for connecting with the torsion spring, the connecting portion 52 is disposed on the side wall of the base 1, pivoting grooves 14 are disposed on the side wall of the base, two pivoting grooves 14 are disposed opposite to each other, the ends of the pivot shaft 23 are rotatably mounted in the two pivoting grooves 14, the pressing portion 21 is the pyramid structure, the pressing portion 21 is a small size of the pressing portion 21, and the pressing portion 21 is not damaged by the pressing portion side of the pyramid structure, and the pressing portion 21 is not damaged by the impact, and the pyramid, and the connecting portion 21 is detected by the detection error in the pyramid structure.

With continued reference to fig. 1, 3 and 4, the torsion spring includes spiral bodies 31, fixed torsion spring pins 32, movable torsion spring pins 33 and pressing protrusions 34, two of the torsion spring pins are disposed at two ends of the spiral body 31, the pressing protrusions 34 are structures in which turns of the elastic member in the spiral body 31 are bent toward the outside of the spiral body 31, the spiral body 31 is sleeved outside the pivot shaft 23, the movable torsion spring pins 33 are adjacent to the side provided with the connecting portion 22 and are overlapped on the connecting protrusions 221, the pressing protrusions 34 and the pressing portions 21 are adjacent to the side ground surface for connection with the torsion spring, the movable torsion spring pins 33 are connected or separated from the top surface of the conductive clip 5 adjacent to the connecting portion 22 under the control of a pressed handle, the fixed torsion spring pins 32 are connected to the top surfaces of the other conductive clips 5, the structures limit the movable torsion spring pins 33 by the connecting protrusions 221, when the pressed handle is not pressed, the movable torsion spring pins 33 are controlled to be sleeved on the pressing portion 21, the movable torsion spring pins 33, the height detection switch is suitable for detecting the maximum detection of the height of the torsion spring, and the detection switch is suitable for detecting the detection of the detection switch.

Referring to fig. 2 and 3, installation through holes 41 are formed in the cover 4, the installation through holes 41 penetrate through the cover 4 along the thickness direction of the cover 4, the pressing end of the pressing handle extends out of the base 1 through the installation through holes 41 penetrating through the cover 4, the cover 4 is a common detection switch cover 4 of a two-end tab connection structure, in order to control the peripheral size of a detection switch, a groove for accommodating the tab structure is formed in a side wall of the tab structure of the base 1 for connecting the cover 4, after the cover 4 is assembled on the base 1, two sides of the cover 4 are located in the groove structure and do not protrude to affect the assembly of the detection switch sinking into a PCB board, the conductive card 5 adjacent to the connection portion 22 is of a Contraband structure with an opening facing away from the position of the conductive card 5 of another , the bottom surface of the base 1 is provided with 7 injection molding ports 13, the injection ports 13 are of a horseshoe-shaped groove structure, the injection ports 13 are located at ends of the side wall of the base 1, the injection ports 13 are located at ends of the side wall of the base 1, the injection port 13, the conductive card 5 of the injection structure located at a Contraband-shaped opening which is located in a U-shaped opening, the injection molding structure, the injection port 13 is located at a position which the injection molding port which is located at a position which is located in a position which the injection molding port which is located in a position which is located in a reversed from a corner opening of a corner of a dovetail structure, the injection molding port 13 which is located in a corner of the injection molding structure, the injection molding.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

The sinking plate type detection switch comprises a seat body, a pressing handle, a torsion spring and at least two conductive clamping pieces, wherein the conductive clamping pieces are embedded in the inner edge of the seat body, the pressing handle and the torsion spring are assembled in the seat body, and the pressing end of the pressing handle extends out of the seat body along the direction deviating from the position of the conductive clamping piece.
2. The sinking plate type detecting switch of claim 1, wherein the base has a rectangular prism shape, the conductive clip is embedded in the bottom surface of the base, and the connecting plate extends in a direction parallel to the bottom surface of the base.
3. The sinking plate type detection switch of claim 2, wherein the base has an open top, and further comprising a cover assembled to the open top of the base, the cover having installation through holes extending through the cover in the thickness direction thereof, the pressing end of the pressing handle extending through the cover to the outside of the base.
4. The sinking plate type detecting switch of claim 2, wherein there are two conductive clips, two conductive clips are juxtaposed, each conductive clip is attached with two clip pins, two connecting pieces connected to the same conductive clips are disposed in parallel, connecting pieces connected to different conductive clips extend in directions away from each other, and connecting pieces connected to different conductive clips are disposed at the middle of two opposite side walls of the housing respectively.
5. The sinking plate type detecting switch of claim 4, wherein each side wall of the housing having the connecting plate has two mounting protrusions, the two connecting plates in the side wall of the housing are respectively arranged at sides which are away from each other, and the bottom surfaces of the mounting protrusions and the connecting plates are arranged in the same planes.
6. The sinking plate detecting switch of claim 4, wherein each of the bottom surfaces of the base below the conductive clips has a plurality of fixing through holes extending from the bottom surface of the base to the bottom surface of the conductive clip, and the bottom surfaces of the base have rounded corners.
7. The sinking plate detecting switch of claim 4, wherein the pressing handle comprises a pressing portion, a connecting portion and a pivot shaft, the pressing portion side is disposed on the top surface of the connecting portion end, the pressing portion enables the side to be used for connecting with the torsion spring, the pivot shaft is disposed on the other end of the connecting portion, the pressing portion is a pressing end of the pressing handle, the pivot shaft extends in a direction perpendicular to the extending direction of the connecting portion, connecting protrusions are disposed on the side surface of the connecting portion, the connecting protrusions protrude out of the side surface of the connecting portion adjacent to the bottom edge of the connecting portion, the connecting protrusions correspond to side of the pressing portion for connecting with the torsion spring, each side wall of the base body provided with the connecting piece is provided with pivot grooves on the inner edge, the two pivot grooves are disposed opposite to each other, the end portions of the two ends of the pivot shaft are rotatably assembled in the two pivot grooves, the torsion spring comprises spiral clamp bodies, fixed torsion spring pins, movable torsion spring pins and pressing protrusions, the two torsion spring pins are disposed at two ends of the spiral clamp bodies, the pressing protrusions are disposed at two ends of the spiral clamp body, the pressing protrusion are disposed adjacent to the connecting portion, the connecting portion is disposed adjacent to the top surface of the conductive connecting portion, the connecting portion is disposed adjacent to the connecting portion, and the conductive connecting portion, and the connecting portion, and the conductive connecting.
8. The sinking plate type detecting switch of claim 7, wherein the pressing portion is a pyramid-shaped pressing portion.
9. The sinking plate type detecting switch of claim 7, wherein the conductive card near the connecting portion has a Contraband-shaped structure with an opening facing away from the other conductive card, the bottom surface of the base body is provided with injection molding openings, the injection molding openings are horseshoe-shaped groove structures, the injection molding openings are arranged at ends of the side walls of the base body in a penetrating manner, and the injection molding openings are arranged in the middle of Contraband-shaped openings of the conductive card with a Contraband-shaped structure.
10. The kinds of sinking plate type detecting switch of any of claims 1 to 9, wherein the bottom surface of the connecting piece is parallel to the top surface of the base, and the distance between the plane of the bottom surface of the connecting piece and the plane of the top surface of the base is not more than 1.3mm and not less than 1.0 mm.