CN218957576U - Dustproof shock-resistant type tact switch - Google Patents
Dustproof shock-resistant type tact switch Download PDFInfo
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- CN218957576U CN218957576U CN202223206274.5U CN202223206274U CN218957576U CN 218957576 U CN218957576 U CN 218957576U CN 202223206274 U CN202223206274 U CN 202223206274U CN 218957576 U CN218957576 U CN 218957576U
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- fixedly connected
- tact switch
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Abstract
The utility model relates to the field of electronic components and discloses a dustproof and anti-vibration type tact switch, which comprises a shell, wherein a plurality of contacts are fixedly connected to the periphery of the bottom of the shell, an upper cover is arranged on the upper portion of the shell, a pressing cap is slidably connected to the middle of the upper cover, a contact block is fixedly connected to the middle of the inside of the shell, the contact block is electrically connected with the contacts, a fixing plate is fixedly connected to the bottom of the pressing cap, a plurality of limit grooves are formed in the periphery of the fixing plate, a pressing block is fixedly connected to the bottom of the fixing plate, and the other side of a reed is connected with a frame through a pressure spring. According to the utility model, the toothed bar is aligned with the notch, and then the upper cover is pressed downwards, so that the installation of the tact switch can be completed, the installation time consumption is short, the assembly efficiency of the tact switch is greatly improved, and the sealing property of the inside of the tact switch is enhanced through the sealing sheet, the elastic sealing gasket and the sealing ring, so that the tact switch can be waterproof and dustproof, and the application range of the tact switch is increased.
Description
Technical Field
The utility model relates to the field of electronic components, in particular to a dustproof and anti-vibration type tact switch.
Background
Along with the continuous updating of various electronic product technologies, people have more and more requirements on the use functions of electronic products, the tact switch is connected when the pressure is applied to the operation direction of the switch, and the characteristic of disconnection when the pressure is withdrawn is widely used because the tact switch has various use environments, the tact switch needs to be effectively sealed, has the functions of dust prevention and water prevention, is suitable for different working environments, and simultaneously buffers the internal components of the tact switch through an internal rubber pad and the like, so that the tact switch obtains anti-seismic performance.
Most of the existing tact switches have no dustproof and waterproof functions, so that the application range of the tact switch is limited; the existing most tact switch is connected with the shell and the upper cover through the screws during assembly, not only tools are needed, but also the screws are needed to be rotated for assembly, so that the assembly is very inconvenient, more time is needed to be consumed, the assembly efficiency is low, and the dustproof and anti-seismic tact switch is provided for solving the problems.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a dustproof and anti-vibration type tact switch.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a dustproof antidetonation formula dabs switch, includes the casing, fixedly connected with is a plurality of contacts all around in the casing bottom, casing upper portion is provided with the upper cover, upper cover middle part sliding connection is pressed the cap, the inside middle part fixedly connected with contact block of casing, contact block electric connection contact, press cap bottom fixedly connected with fixed plate, the fixed plate periphery is provided with a plurality of spacing grooves, fixed plate bottom fixedly connected with presses the piece, press the bottom setting of briquetting at the upside middle part of reed, reed one side fixedly connected with frame, the opposite side of reed is connected with the frame through the pressure spring, the frame periphery is provided with a plurality of spacing grooves, a plurality of gag lever posts of casing inside fixedly connected with, the gag lever post periphery sets up at the spacing groove middle part, fixed plate and frame are all through the periphery of spacing groove sliding connection at the gag lever post, the inside fixedly connected with tooth pole of upper cover, the inside notch is provided with notch, a plurality of inverted tooth of notch inside fixedly connected with, tooth pole and notch align each other.
As a further description of the above technical solution:
the upper cover is fixedly connected with a sealing sheet, and the press cap is connected to the middle part of the sealing sheet in a sliding way.
As a further description of the above technical solution:
the upper part of the shell is fixedly connected with an elastic sealing gasket, and the elastic sealing gasket is arranged inside the upper cover.
As a further description of the above technical solution:
the fixed plate is characterized in that spring rods are fixedly connected to the periphery of the bottom of the fixed plate, and one end, away from the fixed plate, of each spring rod is fixedly connected to the upper portion of the frame.
As a further description of the above technical solution:
the upper part of the fixing plate is fixedly connected with a sealing ring, and the sealing ring is arranged on the periphery of the bottom of the press cap.
As a further description of the above technical solution:
the toothed bar and the inverted teeth are made of hard rubber.
As a further description of the above technical solution:
the width of the reed is smaller than the inner diameter of the shell.
As a further description of the above technical solution:
the outer diameter of the limiting rod is matched with the inner diameter of the limiting groove.
The utility model has the following beneficial effects:
1. according to the utility model, when the sealing piece is assembled, the sealing piece is lifted upwards after being extruded by the pressing cap, so that the inner ring of the sealing piece is fully contacted with the pressing cap, the sealing between the upper cover and the pressing cap is increased, meanwhile, the elastic sealing gasket is extruded and deformed, the deformed part is unfolded horizontally, and after the upper cover is arranged on the periphery of the shell, the elastic sealing gasket seals the connecting seam between the upper cover and the shell, so that the sealing between the upper cover and the shell is increased, and the dust prevention and the water prevention of the tact switch are realized, so that the tact switch can be suitable for a relatively severe environment, and the application range of the tact switch is increased.
2. According to the utility model, the limit grooves and the limit rods around the frame and the fixed plate are mutually aligned, then the frame and the fixed plate are sequentially placed into the shell, then the toothed bar is aligned with the notch, and then the upper cover is pressed downwards to enable the toothed bar to enter the notch, so that the assembly of the tact switch can be completed, other tools are not needed, the assembly time period is shortened, and the assembly efficiency of the tact switch is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a housing of a dustproof and anti-vibration type tact switch according to the present utility model;
fig. 2 is an exploded view of a reed of a dust-proof shock-proof type tact switch according to the present utility model;
FIG. 3 is an exploded view of a pressing block of a dust-proof shock-resistant tact switch according to the present utility model;
fig. 4 is a schematic structural view of a pawl of a dust-proof shock-resistant tact switch according to the present utility model.
Legend description:
1. a housing; 2. an upper cover; 3. a contact; 4. pressing the cap; 5. a sealing sheet; 6. a fixing plate; 7. a seal ring; 8. a spring rod; 9. a limit groove; 10. a frame; 11. a reed; 12. a pressure spring; 13. a contact block; 14. a limit rod; 15. a notch; 16. an elastic sealing gasket; 17. pressing the blocks; 18. a toothed bar; 19. and (5) chamfering.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, one embodiment provided by the present utility model is: a dustproof shock-resistant tact switch comprises a shell 1, wherein a plurality of contacts 3 are fixedly connected to the periphery of the bottom of the shell 1, an upper cover 2 is arranged at the upper part of the shell 1, a pressing cap 4 is slidably connected to the middle part of the upper cover 2, a contact block 13 is fixedly connected to the middle part of the inside of the shell 1, a reed 11 is driven to bend to be contacted with a contact sheet by pressing the pressing cap 4, the contact block 13 is electrically connected with the contacts 3, a fixed plate 6 is fixedly connected to the bottom of the pressing cap 4, a plurality of limit grooves 9 are arranged on the periphery of the fixed plate 6, the fixed plate 6 can stably enter the shell 1 through the limit grooves 9 and limit the fixed plate 6, the fixed plate 6 is prevented from rotating, a pressing block 17 is fixedly connected to the bottom of the fixed plate 6, the bottom of the pressing block 17 is arranged at the middle part of the upper side of the reed 11, the reed 11 is pressed by the pressing block 17, the reed 11 is contacted with the contact block 13, the frame 10 is fixedly connected to one side of the reed 11 to fix the position of the reed 11, the other side of the reed 11 is connected with the frame 10 through the pressure spring 12, when the reed 11 is pressed and deformed, the pressure spring 12 unloads the reed 11, meanwhile, the pressure spring 12 assists the reed 11 to rebound, thereby prolonging the service life of the reed 11, the periphery of the frame 10 is provided with a plurality of limit grooves 9, the frame 10 can smoothly enter the shell 1 when passing through the limit grooves 9 and limit the position of the frame 10, the frame 10 is prevented from overturning, a plurality of limit rods 14 are fixedly connected in the shell 1, the periphery of the limit rods 14 is arranged in the middle of the limit grooves 9, the fixing plate 6 and the frame 10 are both slidingly connected on the periphery of the limit rods 14 through the limit grooves 9, the position of the fixing plate 6 and the frame 10 is limited through the limit rods 14, the toothed bars 18 are fixedly connected in the upper cover 2, the inside of the limit rods 14 is provided with notches 15, the notch 15 is internally fixedly connected with a plurality of inverted teeth 19, the toothed bar 18 is mutually aligned with the notch 15, when the assembly is carried out, the limit grooves 9 and the limit bars 14 around the frame 10 and the fixed plate 6 are mutually aligned, then the frame 10 and the fixed plate 6 are sequentially placed into the shell 1, the toothed bar 18 is aligned with the notch 15, then the upper cover 2 is downwards pressed to enable the toothed bar 18 to enter the notch 15, the assembly of the tact switch can be completed, other tools are not needed, the assembly time is consumed, and the assembly efficiency of the tact switch is greatly improved.
The upper part of the upper cover 2 is fixedly connected with a sealing sheet 5, the pressing cap 4 is slidably connected in the middle of the sealing sheet 5, when the upper cover is assembled, the sealing sheet 5 is upwards tilted after being extruded by the pressing cap 4, so that the inner ring of the sealing sheet 5 is fully contacted with the pressing cap 4, the sealing between the upper cover 2 and the pressing cap 4 is enlarged, the upper part of the shell 1 is fixedly connected with an elastic sealing gasket 16, the elastic sealing gasket 16 is arranged in the upper cover 2, the elastic sealing gasket 16 is extruded and deformed when being assembled, the deformed part is unfolded horizontally, when the upper cover 2 is arranged on the periphery of the shell 1, the connecting seam between the upper cover 2 and the shell 1 is sealed by the elastic sealing gasket 16, thereby enlarging the sealing between the upper cover 2 and the shell 1, further realizing dust prevention and water prevention of the tact switch, enabling the tact switch to be applicable to a more severe environment, and improving the application range of the tact switch, the spring rod 8 is fixedly connected around the bottom of the fixed plate 6, one end of the spring rod 8 far away from the fixed plate 6 is fixedly connected to the upper part of the frame 10, the spring rod 8 pushes the fixed plate 6 to lift up, so that the spring 11 rebounds to bear pressure, the service life of the spring 11 is prolonged, the upper part of the fixed plate 6 is fixedly connected with the sealing ring 7, the sealing ring 7 is arranged at the periphery of the bottom of the push cap 4, the tooth bar 18 and the inverted tooth 19 are made of hard rubber materials, when the tooth bar 18 enters the notch 15, the inverted tooth 19 and teeth on the tooth bar 18 deform, after the tooth bar 18 enters, the teeth on the tooth bar 18 rebound with the inverted tooth 19 and are mutually locked, the upper cover 2 and the shell 1 are mounted, the width of the spring 11 is smaller than the inner diameter of the shell 1, when the spring 11 deforms under stress, the spring 11 can incline to one side to unload force, the outer diameter of the limiting rod 14 is matched with the inner diameter of the limiting groove 9, the positions of the frame 10 and the fixing plate 6 are conveniently limited by the limiting rods 14.
Working principle: through aligning the limit grooves 9 around the frame 10 and the fixed plate 6 with the limit rods 14, then putting the frame 10 and the fixed plate 6 into the shell 1 in sequence, then buckling the upper cover 2 from the upper part, enabling the push cap 4 to pass through the middle part of the upper cover 2, jacking one side of the sealing piece 5, aligning the toothed bar 18 in the upper cover 2 with the notch 15, then pressing the upper cover 2 downwards, enabling the toothed bar 18 to enter the notch 15 under the action of self toughness, enabling the elastic sealing gasket 16 to shrink when being extruded by the upper cover 2, after the toothed bar 18 completely enters the notch 15, canceling pressing the upper cover 2, enabling the elastic sealing gasket 16 to rebound under the action of self to jack up the upper cover 2, enabling the toothed bar 18 to be spliced with the inverted tooth 19, thus completing the assembly of the tact switch without other tools and consuming time period, the assembly efficiency of the tact switch is greatly improved, when the tact switch is assembled, the sealing sheet 5 is upwards tilted after being extruded by the pressing cap 4, the inner ring of the sealing sheet 5 is fully contacted with the pressing cap 4, the sealing between the upper cover 2 and the pressing cap 4 is increased, when the tact switch is normally placed, the sealing performance between the inner bottom of the upper cover 2 and the upper part of the fixing plate 6 is increased through the sealing ring 7, when the tact switch is assembled, the elastic sealing gasket 16 is extruded and deformed, the deformed part is unfolded in the horizontal direction, and when the upper cover 2 is installed on the periphery of the shell 1, the elastic sealing gasket 16 seals the connecting joint between the upper cover 2 and the shell 1, so that the sealing performance of the tact switch is greatly increased, and the dustproof and waterproof performance of the tact switch are realized, the tact switch can be suitable for a more severe environment, and the application range of the tact switch is improved.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. Dustproof antidetonation formula dabs switch, including casing (1), its characterized in that: the utility model discloses a novel electric power switch, including casing (1), lid (2), lid (4) are pressed to fixedly connected with all around in bottom, casing (1) upper portion is provided with upper cover (2), upper cover (2) middle part sliding connection has presses cap (4), inside middle part fixedly connected with contact block (13) of casing (1), contact block (13) electric connection contact (3), press cap (4) bottom fixedly connected with fixed plate (6), fixed plate (6) periphery is provided with a plurality of spacing groove (9), fixed plate (6) bottom fixedly connected with presses down piece (17), the bottom of pressing down piece (17) sets up in the upside middle part of reed (11), the opposite side of reed (11) is connected with frame (10) through pressure spring (12), frame (10) periphery is provided with a plurality of spacing groove (9), inside fixedly connected with a plurality of spacing bars (14) of casing (1), spacing bar (14) periphery sets up at spacing groove (9) middle part, the bottom of pressing down piece (17) sets up in the upside middle part of reed (11), the opposite side of reed (11) is connected with frame (10) through pressure spring (12), notch (15) are arranged in the limiting rod (14), a plurality of inverted teeth (19) are fixedly connected in the notch (15), and the toothed bar (18) is mutually aligned with the notch (15).
2. A dust-proof shock-resistant tact switch in accordance with claim 1, wherein: the upper part of the upper cover (2) is fixedly connected with a sealing sheet (5), and the press cap (4) is slidably connected with the middle part of the sealing sheet (5).
3. A dust-proof shock-resistant tact switch in accordance with claim 1, wherein: an elastic sealing gasket (16) is fixedly connected to the upper portion of the shell (1), and the elastic sealing gasket (16) is arranged in the upper cover (2).
4. A dust-proof shock-resistant tact switch in accordance with claim 1, wherein: the spring rod (8) is fixedly connected to the periphery of the bottom of the fixed plate (6), and one end, away from the fixed plate (6), of the spring rod (8) is fixedly connected to the upper portion of the frame (10).
5. A dust-proof shock-resistant tact switch in accordance with claim 1, wherein: the upper part of the fixing plate (6) is fixedly connected with a sealing ring (7), and the sealing ring (7) is arranged on the periphery of the bottom of the press cap (4).
6. A dust-proof shock-resistant tact switch in accordance with claim 1, wherein: the toothed bar (18) and the inverted tooth (19) are made of hard rubber materials.
7. A dust-proof shock-resistant tact switch in accordance with claim 1, wherein: the width of the reed (11) is smaller than the inner diameter of the shell (1).
8. A dust-proof shock-resistant tact switch in accordance with claim 1, wherein: the outer diameter of the limiting rod (14) is matched with the inner diameter of the limiting groove (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202223206274.5U CN218957576U (en) | 2022-11-30 | 2022-11-30 | Dustproof shock-resistant type tact switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223206274.5U CN218957576U (en) | 2022-11-30 | 2022-11-30 | Dustproof shock-resistant type tact switch |
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Publication Number | Publication Date |
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CN218957576U true CN218957576U (en) | 2023-05-02 |
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CN202223206274.5U Active CN218957576U (en) | 2022-11-30 | 2022-11-30 | Dustproof shock-resistant type tact switch |
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CN (1) | CN218957576U (en) |
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- 2022-11-30 CN CN202223206274.5U patent/CN218957576U/en active Active
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