CN212695053U

CN212695053U - Light touch switch

Info

Publication number: CN212695053U
Application number: CN202021514698.6U
Authority: CN
Inventors: 杨文初; 熊建辉; 谢宗玲; 张健
Original assignee: Amphenol Assembletech Xiamen Co Ltd
Current assignee: Amphenol Assembletech Xiamen Co Ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-12
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a dab switch belongs to the switch technology field, a dab switch, the on-line screen storage device comprises a base, conductive terminal group, the button shell fragment, flexible button, and apron, the mounting groove has been seted up at the middle part of base, the button shell fragment is installed in the mounting groove, the inside at the base is installed to a part of conductive terminal group, and the part extends to in the mounting groove and contacts with the button shell fragment, another part of conductive terminal group passes the base and extends to outside the base, be equipped with the salient structure including surrounding the mounting groove on the base, apron and base joint cooperation, fix a part of flexible button between apron and base, and interfere the cooperation with the salient structure. The utility model discloses a touch switch has good leakproofness, and is waterproof, dustproof respond well.

Description

Light touch switch

Technical Field

The utility model belongs to the technical field of the switch, especially, relate to a dab switch.

Background

The tact switch is an electronic switch, belongs to the class of electronic components, has the advantages of small contact resistance, accurate operation force error, diversified specifications and the like, and is widely applied to electronic equipment, white household appliances and the like, such as: electric hair dryers, microwave ovens, televisions, electronic scales, electric cookers and the like; a monitor, a visual interphone and the like of security products; call systems in medical equipment, blood pressure meters, thermometers, etc.; the utility model relates to a massage chair, a running machine and the like in fitness equipment, and a touch switch relates to the application in the fields of the massage chair, the running machine and the like.

The existing light touch switch has unstable structure, poor waterproof and dustproof effects, easy water and dust intake; and the disassembly and the assembly are inconvenient, and the use effect is not ideal.

Disclosure of Invention

An object of the utility model is to provide a touch switch has good leakproofness, and is waterproof, dustproof respond well.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a pair of dab switch, the on-line screen storage device comprises a base, conductive terminal group, the button shell fragment, flexible button, and apron, the mounting groove has been seted up at the middle part of base, the button shell fragment is installed in the mounting groove, the inside at the base is installed to some of conductive terminal group, and the part extends to in the mounting groove and the contact of button shell fragment, another part of conductive terminal group passes outside the base extends to the base, be equipped with the bulge structure including surrounding the mounting groove on the base, apron and base joint cooperation, fix the partly of flexible button between apron and base, and with bulge structure interference fit.

Preferably, the flexible key comprises a base part, a key cap and a butting part, wherein a first groove is formed in the bottom of the base part, the butting part is fixed on the inner top wall of the first groove, and the key cap is fixed on the top of the base part and is positioned above the butting part.

Preferably, the flexible key is made of silica gel or rubber.

Preferably, the lateral wall of base is equipped with the hasp seat, and the lateral wall of apron is equipped with the hasp piece, and hasp piece and hasp seat joint cooperation.

Preferably, the upper portion of the lock catch seat is provided with an inclined plane, the bottom of the lock catch seat is provided with a clamping groove, the side wall of the base below the clamping groove is provided with a second groove, and the second groove is communicated with the clamping groove.

Preferably, the cover plate is provided with a key hole, and the other part of the flexible key penetrates through the key hole and extends to the outside of the cover plate.

Preferably, the inner side wall of the mounting groove is fixed with a plurality of convex blocks, a gap is formed between every two adjacent convex blocks, and a mounting area for mounting the key elastic sheet is formed by the surrounding of the convex blocks.

Preferably, the conductive terminal group includes first conductive terminal and the second conductive terminal of phase separation, first through-hole has been seted up at the center of mounting tank bottom, the second through-hole has all been seted up to the bottom of the mounting groove of first through-hole both sides, first conductive terminal includes integrated into one piece's central terminal and first pin, partly through first through-hole of central terminal extends to the mounting groove in, when pressing, the middle part and the central terminal contact of button shell fragment, first pin passes the base and extends to outside the base, second conductive terminal includes two integrated into one piece's peripheral terminal and second pin, two peripheral terminals pass two second through-holes respectively and extend to the mounting groove in and contact with the button shell fragment.

The utility model has the advantages that:

1. through the extrusion of apron to flexible button when with the base joint, flexible button realizes deformation when receiving the extrusion for flexible button interferes with protrusion structure, has good leakproofness, and waterproof, dustproof effect is high.

2. The cover plate is connected with the base in a clamping mode, the lock catch piece is clamped into the clamping groove conveniently due to the arrangement of the inclined surface on the lock catch seat, the finger can stretch into the second groove conveniently to unlock, and the cover plate is convenient to disassemble and assemble without using an extra tool.

3. The arrangement of the convex blocks enables the key elastic sheet to be arranged at a certain distance from the side wall of the installation groove, and a gap is reserved between every two adjacent convex blocks, so that the key elastic sheet is convenient to disassemble.

4. The whole body is small and portable, and the carrying is very convenient.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the three-dimensional explosion structure of the present invention.

Fig. 3 is a schematic sectional structure diagram of the present invention.

Fig. 4 is a schematic perspective view of the flexible key of the present invention.

Fig. 5 is a right-side view structural diagram of the base of the present invention.

Fig. 6 is a schematic perspective view of the conductive terminal set of the present invention.

Fig. 7 is a schematic perspective view of the base of the present invention.

The labels in the figures are: 1-base, 2-conductive terminal group, 21-first conductive terminal, 211-central terminal, 212-first pin, 22-second conductive terminal, 221-peripheral terminal, 222-second pin, 3-key elastic sheet, 4-flexible key, 41-base, 42-key cap, 43-abutting part, 44-first groove, 5-cover plate, 6-mounting groove, 7-protruding structure, 8-locking seat, 9-locking piece, 10-clamping groove, 11-second groove, 12-key hole, 13-lug, 14-gap, 15-first through hole and 16-second through hole.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Those not described in detail in this specification are within the skill of the art. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 7, the tact switch provided in this embodiment, the tact switch includes a base 1, a conductive terminal group 2, a key elastic sheet 3, a flexible key 4, and a cover plate 5, a mounting groove 6 is provided at the middle part of the base 1, the key elastic sheet 3 is installed in the mounting groove 6, the mounting groove 6 is annular, the upper part of the conductive terminal group 2 is installed in the base 1, and the part of the upper part extends into the mounting groove 6 to contact with the key elastic sheet 3, the lower part of the conductive terminal group 2 passes through the base 1 to extend to the outside of the base 1, the base 1 is provided with a protruding structure 7 surrounding the mounting groove 6, the protruding structure 7 is annular, the cover plate 5 is in clamping fit with the base 1, a part of the flexible key 4 is fixed between the cover plate 5 and the base 1. The flexible key 4 is extruded when the cover plate 5 is clamped with the base 1, and the flexible key 4 is deformed when being extruded, so that the flexible key 4 is interfered with the protruding structure 7, and the waterproof and dustproof effects are high; the stability of this dabbing switch is improved to the joint of apron 5 and base 1 to the dismouting of being convenient for.

Further, the flexible key 4 includes a base 41, a key cap 42, and a supporting portion 43, the bottom of the base 41 is provided with a first groove 44, the supporting portion 43 is fixed on the inner top wall of the first groove 44, the key cap 42 is fixed on the top of the base 41 and is located right above the supporting portion 43, in this embodiment, the supporting portion 43 is formed by extending the base 41 downward and contacts with the top of the key dome 3 in the initial state, and the key cap 42 is formed by extending the base 41 upward. The conductive terminal group 2 comprises a first conductive terminal 21 and a second conductive terminal 22 which are separated, a first through hole 15 is formed in the center of the bottom of the mounting groove 6, second through holes 16 are formed in the bottoms of the mounting grooves 6 on the left side and the right side of the first through hole 15, the first conductive terminal 21 comprises a central terminal 211 and a first pin 212 which are integrally formed, the upper portion of the central terminal 211 penetrates through the first through hole 15 and extends into the mounting groove 6, the first pin 212 penetrates through the base 1 and extends out of the base 1, the second conductive terminal comprises two peripheral terminals 221 and a second pin 222 which are integrally formed, and the upper portions of the two peripheral terminals 221 respectively penetrate through the two second through holes 16 and extend into the mounting groove 6 to be in contact with the key dome 3. The cover plate 5 is provided with a key hole 12, and the key cap 42 of the flexible key 4 passes through the key hole 12 and extends to the outside of the cover plate 5. The arrangement of the first groove 44 facilitates pressing operation, and by pressing the key cap 42, the center of the base 41 is deformed, so that the abutting portion 43 moves downwards to press the key dome 3, the protruding portion in the middle of the key dome 3 is deformed downwards to contact with the central terminal 211, so that the peripheral terminal 221 and the central terminal 211 are connected, and the switch is switched on. When the pressing force is removed, the key dome 3 is reset to be separated from the center terminal 211, and the switch is turned off.

Further, the flexible key 4 is made of silica gel or rubber, and the embodiment is silica gel and has good deformation sealing capability.

Further, both sides wall all is equipped with hasp seat 8 around the base, and both sides wall all is equipped with hasp piece 9 around the apron 5, and hasp piece 9 cooperates with 8 joint of hasp seat. Specifically, the upper portion of the lock catch seat 8 is provided with an inclined plane, the bottom of the lock catch seat 8 is provided with a clamping groove 10, the side wall of the base below the clamping groove 10 is provided with a second groove 11, and the second groove 11 is communicated with the clamping groove 10. The cover plate 5 is clamped with the base 1 by being clamped in the clamping groove 10 through the locking fastener 9; the arrangement of the inclined surface is convenient for clamping the locking fastener 9 into the clamping groove 10; the second groove 11 is arranged to facilitate the finger to extend into the groove for unlocking operation; easy dismounting need not to use extra instrument.

Further, the inside wall of mounting groove 6 is fixed with four lugs 13, has clearance 14 between the adjacent lug 13, encloses into the installing zone that is used for installing button shell fragment 3 between four lugs 13, makes button shell fragment 3 install the back and have the certain distance between the mounting groove 6 lateral wall through setting up of lug 13 to clearance 14, convenient to detach button shell fragment 3 between the adjacent lug 13.

The tact switch of the utility model has the advantages of good sealing, water resistance, pollution prevention and static prevention, and can not be easily polluted and interfered; the portable electric heating cooker is small, exquisite and portable, and is very convenient to assemble, disassemble and carry; the conductive performance is good, high voltage is borne, and the performance cannot be damaged; the service life is long.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A tact switch characterized in that:

the device comprises a base, a conductive terminal group, a key elastic sheet, a flexible key and a cover plate;

the middle part of the base is provided with an installation groove, and the key elastic sheet is installed in the installation groove;

one part of the conductive terminal group is arranged in the base, and part of the conductive terminal group extends into the mounting groove to be contacted with the key elastic sheet, and the other part of the conductive terminal group passes through the base and extends out of the base;

the base is provided with a protruding structure which surrounds the mounting groove;

the cover plate is in clamping fit with the base, and a part of the flexible key is fixed between the cover plate and the base and in interference fit with the protruding structure.

2. The tact switch according to claim 1, characterized in that:

the flexible key comprises a base part, a key cap and a butting part;

a first groove is formed in the bottom of the base, and a butting part is fixed on the inner top wall of the first groove;

the key cap is fixed on the top of the base and is positioned above the butting part.

3. The tact switch according to claim 1, characterized in that:

the flexible key is made of silica gel or rubber.

4. The tact switch according to claim 1, characterized in that:

the side wall of the base is provided with a lock catch seat, the side wall of the cover plate is provided with a lock catch piece, and the lock catch piece is matched with the lock catch seat in a clamping mode.

5. The tact switch according to claim 4, characterized in that:

the upper part of the lock catch seat is provided with an inclined surface;

the bottom of the lock catch seat is provided with a clamping groove;

and a second groove is formed in the side wall of the base below the clamping groove and communicated with the clamping groove.

6. The tact switch according to claim 4, characterized in that:

the cover plate is provided with a key hole, and the other part of the flexible key penetrates through the key hole to extend out of the cover plate.

7. The tact switch according to claim 1, characterized in that:

a plurality of convex blocks are fixed on the inner side wall of the mounting groove, and gaps are formed between the adjacent convex blocks;

and a mounting area for mounting the key elastic sheet is formed by the surrounding of the plurality of lugs.

8. The tact switch according to claim 1, characterized in that:

the conductive terminal group comprises a first conductive terminal and a second conductive terminal which are separated;

a first through hole is formed in the center of the bottom of the mounting groove, and second through holes are formed in the bottoms of the mounting grooves on two sides of the first through hole;

the first conductive terminal comprises a central terminal and a first pin which are integrally formed, one part of the central terminal penetrates through the first through hole and extends into the mounting groove, when the first conductive terminal is pressed, the middle part of the key elastic sheet is contacted with the central terminal, and the first pin penetrates through the base and extends out of the base;

the second conductive terminal comprises two peripheral terminals and a second pin which are integrally formed, and the two peripheral terminals respectively penetrate through the two second through holes to extend into the mounting groove to be in contact with the key elastic sheet.