CN216902614U

CN216902614U - Top waterproof key switch

Info

Publication number: CN216902614U
Application number: CN202220277043.4U
Authority: CN
Inventors: 吴晶晶
Original assignee: ELITE TECHNOLOGY (SUZHOU) CO LTD
Current assignee: ELITE TECHNOLOGY (SUZHOU) CO LTD
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-07-05
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses a top waterproof key switch, which relates to the field of switches and comprises a shell, wherein the shell is hollow and comprises a shell upper part, a shell middle part and a shell lower part, the diameter of the shell upper part is larger than that of the shell lower part and the shell middle part, the diameter of the shell middle inner side is smaller than that of the shell upper part and that of the shell lower part, a waterproof cover and a key are arranged in the shell upper part, the key is arranged above the waterproof cover, and the waterproof cover is in contact connection with the key. The diameter on shell upper portion is greater than the diameter in shell lower part and shell middle part in this application, installs the shell mid-mounting in bright department when the installation, installs shell middle part and shell lower part in dark place for the waterproof grade of this switch is high, the material of buckler is silica gel, the material of silica gel is soft, when the button is pressed the buckler of silica gel material contracts, and inside water can not entered into the shell, has more improved waterproof grade.

Description

Top waterproof key switch

Technical Field

The utility model relates to the field of switches, in particular to a top waterproof key switch.

Background

The words switch are to be interpreted as being on and off. It also refers to an electronic component that can open a circuit, interrupt a current, or cause it to flow to other circuits.

Since the switch is connected with a circuit, a waterproof function is required, but the existing switch is not high in waterproof grade.

SUMMERY OF THE UTILITY MODEL

The utility model provides a top waterproof key switch.

The technical scheme adopted by the utility model for solving the technical problem is as follows: the utility model provides a waterproof key switch in top, includes the shell, the shell is hollow, the shell includes shell upper portion, shell middle part and shell lower part, the diameter on shell upper portion is greater than the diameter in shell lower part and shell middle part, the inboard diameter in shell middle part is less than the inboard diameter in shell upper portion and shell lower part, be provided with buckler and button in the shell upper portion, the button sets up the top at the buckler, and the buckler is connected with the button contact.

Further, the method comprises the following steps: the waterproof cover is made of silica gel.

Further, the method comprises the following steps: the push rod is arranged in the middle of the shell, two ends of the push rod respectively extend to the upper portion and the lower portion of the shell, the upper end face of the push rod is in contact with the lower end face of the key, the middle of the shell is in sliding connection with the push rod up and down, the push rod is hollow, and a spring is arranged in one end, close to the lower portion of the shell, of the push rod. The push rod is provided with first buckle on being close to the one end of shell lower part, first buckle is towards the outside, the surface joint of first buckle has the sheetmetal.

Further, the method comprises the following steps: the inner surface in the middle part of the shell is provided with a guide block, the outer surface of the push rod is provided with a guide groove, and the guide groove moves up and down along the guide block.

Further, the method comprises the following steps: the metal sheet is a phosphor copper sheet.

Further, the method comprises the following steps: the novel key is characterized in that a through hole is formed in the side wall of the lower portion of the shell, a connecting disc is arranged in the lower portion of the shell, a second buckle is arranged on the connecting disc and clamped in the through hole, a pin is arranged on the lower end face of the connecting disc and extends to the inner side of the connecting disc, and the metal sheet is in contact with the pin after the key is pressed.

Further, the method comprises the following steps: the joint of the middle part of the shell and the upper part of the shell is provided with a groove, and a sealing ring is arranged in the groove.

Further, the method comprises the following steps: and the outer surface of the lower part of the shell is in threaded connection with a nut.

The utility model has the beneficial effects that: the diameter on shell upper portion is greater than the diameter in shell lower part and shell middle part in this application, installs the shell mid-mounting in bright department when the installation, installs shell middle part and shell lower part in dark place for the waterproof grade of this switch is high, the material of buckler is silica gel, the material of silica gel is soft, when the button is pressed the buckler of silica gel material contracts, and inside water can not entered into the shell, has more improved waterproof grade.

Drawings

FIG. 1 is a schematic view of an overall structure of a waterproof push button switch;

FIG. 2 is a front view of a waterproof-top key switch;

FIG. 3 is a sectional view taken along line A-A;

FIG. 4 is a front view of the housing;

FIG. 5 is a top view of the housing;

FIG. 6 is a schematic view of a waterproof cover;

FIG. 7 is a schematic view of a connection pad;

FIG. 8 is a schematic view of a putter;

labeled as: 1. a housing; 2. a waterproof cover; 3. pressing a key; 4. a push rod; 6. a first buckle; 7. a metal sheet; 8. a guide block; 9. a guide groove; 10. a through hole; 11. a connecting disc; 12. a second buckle; 13. a pin; 14. a seal ring; 15. a nut; 101. the upper part of the shell; 102. the middle part of the shell; 103. the lower part of the shell.

Detailed Description

The utility model is further described with reference to the following figures and detailed description.

As shown in fig. 1, 2, 3, 4, 5, and 6, an embodiment of the present application provides a waterproof dome switch, which includes a housing 1, the housing 1 is hollow, the housing 1 includes a housing upper portion 101, a housing middle portion 102, and a housing lower portion 103, the diameter of the housing upper portion 101 is larger than the diameters of the housing lower portion 103 and the housing middle portion 102, the housing upper portion 101 can be placed in a bright place, and the housing middle portion 102 and the housing lower portion 103 can be installed in a dark place, so that the installation can make the waterproof level of the switch high. When the waterproof case is installed, the case middle part 102 is installed in a bright place, and the case middle part 102 and the case lower part 103 are installed in a dark place, so that the waterproof grade is higher.

The diameter of the inner side of the middle part 102 of the shell is smaller than the diameter of the inner side of the upper part 101 of the shell and the diameter of the inner side of the lower part 103 of the shell, a waterproof cover 2 and a key 3 are arranged in the upper part 101 of the shell, the key 3 is arranged above the waterproof cover 2, the waterproof cover 2 is in contact connection with the key 3, the waterproof cover 2 is in close contact with the inner surface of the shell 1 and the inner surface of the key 3 respectively, the waterproof cover is used for preventing water, and the waterproof grade is improved.

On the basis, the material of buckler 2 is silica gel, the material of silica gel is soft, when pressing button 3 the buckler 2 of silica gel material contracts, and water can not enter into inside 1 shell.

On the basis, a push rod 4 is arranged in the middle part 102 of the shell, two ends of the push rod 4 respectively extend to the upper part 101 and the lower part 103 of the shell, the upper end face of the push rod 4 is in contact with the lower end face of the key 3, the middle part 102 of the shell and the push rod 4 are in up-and-down sliding connection, the push rod 4 is hollow, and a spring is arranged in one end, close to the lower part 103 of the shell, of the push rod 4. One end of the push rod 4 close to the lower portion 103 of the shell is provided with a first buckle 6, the first buckle 6 faces outwards, the outer surface of the first buckle 6 is clamped with a metal sheet 7, the first buckle 6 is used for clamping the metal sheet 7 and driving the metal sheet 7 to move up and down along with the push rod 4, the spring is used for bouncing up the metal sheet 7 when the push rod 4 is not under external pressure, and the metal sheet 7 is not in contact with the pins 13 at the moment and cannot trigger signals.

On the basis, as shown in fig. 8, the inner surface of the housing middle part 102 is provided with a guide block 8, the outer surface of the push rod 4 is provided with a guide groove 9, the guide groove 9 moves up and down along the guide block 8, and the guide groove 9 and the guide block 8 are used for guiding the push rod 4 to move up and down to prevent the push rod 4 from moving obliquely.

On the basis, the metal sheet 7 is a phosphorus copper sheet which is good in conductivity, and the application is not limited to the use of the phosphorus copper sheet.

On the basis, as shown in fig. 7, a through hole 10 is formed in a side wall of the lower portion 103 of the housing, a connection pad 11 is arranged in the lower portion 103 of the housing, a second buckle 12 is arranged on the connection pad 11, the second buckle 12 is clamped in the through hole 10 and used for fixing the connection pad 11 on the lower portion 103 of the housing, so that the position of a pin 13 is unchanged, the sensitivity of the switch is ensured, a pin 13 is arranged on the lower end face of the connection pad 11, the pin 13 extends to the inner side of the connection pad 11, the metal sheet 7 is in contact with the pin 13 after the key 3 is pressed, the pin 13 is in contact with the metal sheet 7, so that the pin 13 is in conduction with the metal sheet 7, a trigger signal is triggered, and the switch is turned on.

On the basis, a groove is formed in the joint of the middle part 102 of the shell and the upper part 101 of the shell, a sealing ring 14 is arranged in the groove, and the sealing ring 14 is used for sealing to prevent water from entering the switch from the joint of the upper part 101 of the shell and the middle part 102 of the shell.

On the basis, the outer surface of the lower housing part 103 is connected with a nut 15 through threads, and the nut 15 is matched with the threads of the lower housing part 103 to fix the switch.

For example, the switch is installed in an elevator, the upper housing part 101 is left outside for manual pressing to turn on the switch, the middle housing part 102 and the lower housing part 103 are left in an elevator hole, the middle housing part 102 and the lower housing part 103 pass through a mounting plate, the nut 15 is screwed on the thread of the lower housing part 103, and the nut is screwed, thereby fixing the switch on the mounting plate.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a waterproof key switch in top, includes shell (1), shell (1) is hollow, its characterized in that: the shell (1) comprises a shell upper portion (101), a shell middle portion (102) and a shell lower portion (103), the diameter of the shell upper portion (101) is larger than the diameter of the shell lower portion (103) and the shell middle portion (102), the diameter of the shell middle portion (102) is smaller than the diameter of the shell upper portion (101) and the shell lower portion (103), a waterproof cover (2) and a key (3) are arranged in the shell upper portion (101), the key (3) is arranged above the waterproof cover (2), and the waterproof cover (2) is in contact connection with the key (3).

2. A top water resistant keyswitch as claimed in claim 1, wherein: the waterproof cover (2) is made of silica gel.

3. A top water resistant keyswitch as claimed in claim 1, wherein: be provided with push rod (4) in shell middle part (102), the both ends of push rod (4) extend to shell upper portion (101) and shell lower part (103) respectively, just the up end of push rod (4) contacts with the lower terminal surface of button (3), sliding connection about shell middle part (102) and push rod (4), push rod (4) are hollow, be provided with the spring in the one end that push rod (4) are close to shell lower part (103), one of push rod (4) are close to shell lower part (103) is served and is provided with first buckle (6), first buckle (6) are towards the outside, the surface joint of first buckle (6) has sheetmetal (7).

4. A top water resistant push switch as claimed in claim 3, wherein: the inner surface of the middle part (102) of the shell is provided with a guide block (8), the outer surface of the push rod (4) is provided with a guide groove (9), and the guide groove (9) moves up and down along the guide block (8).

5. The waterproof key switch of claim 4, wherein: the metal sheet (7) is a phosphorus copper sheet.

6. The waterproof key switch of claim 4, wherein: be provided with through-hole (10) on the lateral wall of shell lower part (103), be provided with connection pad (11) in shell lower part (103), be provided with second buckle (12) on connection pad (11), second buckle (12) joint is in through-hole (10), be provided with pin (13) on the lower terminal surface of connection pad (11), pin (13) extend to the inboard of connection pad (11), press the back at button (3) sheetmetal (7) and pin (13) contact.

7. A top water resistant keyswitch as claimed in claim 1, wherein: a groove is formed in the joint of the middle part (102) of the shell and the upper part (101) of the shell, and a sealing ring (14) is arranged in the groove.

8. A top water resistant keyswitch as claimed in claim 1, wherein: the outer surface of the lower part (103) of the shell is connected with a nut (15) in a threaded manner.