Side key switch with long service life

Abstract

The utility model provides a long-life side key switch, which comprises a shell, a button and an insulating base, a contact piece assembly is arranged between the button and the insulating base, and a hardware fastener is arranged outside the shell and the insulating base in a surrounding manner; the hardware fasteners are arranged on the outer surface of the shell and the outer surface of the insulating base of the side key switch, the strength of the switch is improved, the switch is resistant to falling and abrasion, the hardware fasteners are in limiting fit with the surface of the shell and the surface of the insulating base through the first positioning faces and the second positioning faces respectively, the two positioning faces are connected, connection between the shell and the insulating base is firmer, and the service life of the switch is prolonged. The combination is more stable than pure hot riveting combination; furthermore, the whole side key switch is approximately rectangular, and the connecting ends of the button and the hardware fastener are respectively located at the two ends of the long edge of the side key switch, so that the scaling powder is prevented from entering gaps around the button to influence the use during welding; the positioning column is arranged on the shell and is in positioning fit with the mounting plate of the equipment to be provided with the side key, so that the connecting end is welded with the equipment to be mounted.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic switches, in particular to a long-life side key switch. Background Art

[0002] Existing portable electronic products such as mobile phones, headphones, Bluetooth, tablets, watches, etc. are all equipped with side buttons, such as power buttons, volume control buttons or shutter buttons. In some cases, the smaller the size of the button, the wider its application range.

[0003] The existing side button switch has a shell and a base. Since the shell and the base are both made of insulating plastic, the shell and the base are usually connected together by thermal deformation (plastic hot riveting process). The combined overall structure is exposed to the working environment and has low strength. It is easily deformed by squeezing or split due to falling.

[0004] The applicant has improved this type of side key switch to make it have higher strength and longer service life. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings and deficiencies of the existing technology and provide a long-life side key switch. The technical solutions adopted by this utility model are as follows:

[0006] A long-life side-key switch includes a housing, a button, and an insulating base. A contact assembly is arranged between the button and the insulating base. A hardware fastener is arranged on the outer side of the housing and the insulating base. The housing surface has a fastener groove, and the insulating base surface has a positioning protrusion. The hardware fastener includes a first positioning surface and a second positioning surface connected to each other. The first positioning surface is at least partially embedded in the fastener groove, and the second positioning surface is provided with a positioning hole that cooperates with the positioning protrusion.

[0007] Preferably, the shell has a button hole, the button includes a pressing end passing through the button hole and a touch-pressure end that contacts and cooperates with the contact assembly, and a protective diaphragm is arranged between the touch-pressure end and the contact assembly; the contact assembly includes a conductive sheet and a contact, and three layers of spring sheets are arranged between the contact and the diaphragm.

[0008] Preferably, a mounting groove is provided on the insulating base, the contact assembly is embedded in the mounting groove and the pins of the conductive sheet are extended out of the insulating base.

[0009] Preferably, a positioning groove is provided on the insulating base, and the positioning protrusion is located on the inner side of the shell. The shell and the insulating base are buckled together so that the positioning protrusion passes through the positioning groove and is limitedly engaged with the positioning hole of the hardware fastener.

[0010] Preferably, the shell surface is a stepped surface with a boss, and the boss is extended with an extended vertical portion and an extended horizontal portion, and fastener grooves are formed on the sides of the extended vertical portion and the extended horizontal portion.

[0011] Furthermore, the two ends of the extended horizontal portion have bent portions, the boss and its extended vertical portion, the extended horizontal portion, and the bent portion are combined to form an anchor-shaped protrusion, and the first positioning surface is embedded in the fastener groove and positioned to cooperate with the anchor-shaped protrusion.

[0012] Preferably, the hardware fastener has four connecting ends extending from the four corners after the outer shell and the insulating base are fastened together; the button outlet hole passes through the boss, and the button outlet hole is away from the connecting ends to prevent flux from entering the gap around the button and solidifying inside the component after being cooled, resulting in inflexible button pressing; further, the side key switch is approximately rectangular as a whole, and the connecting ends of the button and the hardware fastener are respectively located at the two ends of the long side of the side key switch.

[0013] Preferably, a positioning column is protruding from the shell and is located on the same side as the connecting end. The positioning column is positioned and matched with the mounting plate of the device on which the side key is to be installed, so as to facilitate welding of the connecting end and the device to be installed.

[0014] The beneficial effects of the utility model are as follows: the device increases the strength of the switch and makes it drop-resistant and wear-resistant by arranging hardware fasteners on the outer surfaces of the shell and the insulating base of the side key switch; and the hardware fasteners are surrounded by the outer sides of the shell and the insulating base, and are respectively limited and matched with the surface of the shell and the surface of the insulating base through the first positioning surface and the second positioning surface, and the two positioning surfaces are connected, so that the connection between the shell and the insulating base is more firm and more stable than simple hot riveting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, without paying creative labor, other drawings obtained based on these drawings still fall within the scope of the present invention.

[0016] Figure 1 This is a structural stereogram of Example 1;

[0017] Figure 2 This is an explosion diagram of Example 1;

[0018] Figure 3 This is a partial structural exploded view of Example 1;

[0019] Figure 4 This is a schematic diagram of the hardware fastener structure of Example 1;

[0020] Figure 5 This is a schematic diagram of the matching of the housing and the insulating base of Example 1;

[0021] Figure 6 This is an exploded view of part of the structure of Example 1 from another angle;

[0022] Figure 7 This is a cross-sectional view of the housing and insulating base of Example 1;

[0023] Figure 8 This is a three-dimensional view from another angle of Example 1;

[0024] In the figure, the housing 1, the fastener slot 101, the button hole 102, the boss 103, the extended vertical portion 11, the extended horizontal portion 12, the bent portion 13, the positioning protrusion 14, the positioning column 15, the button 2, the pressing end 21, the contact end 22, the diaphragm 23, the insulating base 3, the mounting slot 31, the positioning slot 32, the contact assembly 4, the contact 41, the pin 42, the hardware fastener 5, the first positioning surface 51, the positioning hole 52, and the connecting end 53. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be described in further detail below with reference to the embodiments and the accompanying drawings.

[0026] It should be noted that the directional and positional terms used in this disclosure, such as "upper," "lower," "front," "back," "left," "right," "inner," "outer," "top," "bottom," and "side," are merely references to the directions or positions in the accompanying drawings. Therefore, the directional and positional terms used are intended to illustrate and facilitate understanding of this disclosure and are not intended to limit the scope of protection of this disclosure.

[0027] Example 1

[0028] like Figure 1-6 As shown, a long-life watch side key switch includes a shell 1, a button 2, and an insulating base 3. A contact assembly 4 is arranged between the button 2 and the insulating base 3. A hardware fastener 5 is arranged on the outside of the shell 1 and the insulating base 3. The surface of the shell 1 has a fastener groove 101, and the surface of the insulating base 3 protrudes with a positioning protrusion 14. The hardware fastener 5 includes a first positioning surface 51 and a second positioning surface connected to each other. The first positioning surface 51 is at least partially embedded in the fastener groove 101, and the second positioning surface is provided with a positioning hole 52 that is positioned and matched with the positioning protrusion 14.

[0029] This device increases the strength of the switch and makes it drop-resistant and wear-resistant by arranging hardware fasteners on the outer surfaces of the shell and the insulating base of the side key switch. The hardware fasteners surround the outer sides of the shell and the insulating base, and are respectively limited and engaged with the surface of the shell and the surface of the insulating base through the first positioning surface and the second positioning surface. The two positioning surfaces are connected, so that the connection between the shell and the insulating base is more secure and more stable than a simple hot riveting connection.

[0030] The housing 1 has a button hole 102, and the button 2 includes a pressing end 21 passing through the button hole 102 and a contact end 22 that contacts and cooperates with the contact assembly 4. A protective membrane 23 is arranged between the contact end 22 and the contact assembly 4; the contact assembly 4 includes a conductive sheet and a contact 41, and three layers of springs are stacked between the contact 41 and the membrane 23 to improve the service life.

[0031] like Figure 7 As shown, the insulating base 3 is provided with a mounting groove 31 , the contact assembly 4 is embedded in the mounting groove 31 and the pins 42 of the conductive sheet extend out of the insulating base 3 .

[0032] The insulating base 3 defines a positioning groove 32 , and the positioning protrusion 14 is located on the inner side of the housing 1 . The housing 1 and the insulating base 3 are buckled together so that the positioning protrusion 14 passes through the positioning groove 32 and is limitedly engaged with the positioning hole 52 of the hardware fastener 5 .

[0033] The surface of the housing 1 is a stepped surface with a boss 103 . An extended vertical portion 11 and an extended horizontal portion 12 are extended from the boss 103 . A fastener slot 101 is formed on the sides of the extended vertical portion 11 and the extended horizontal portion 12 .

[0034] The two ends of the extended horizontal portion 12 have bent portions 13. The boss 103 and its extended vertical portion 11, extended horizontal portion 12, and bent portion 13 form an anchor-shaped protrusion. The first positioning surface 51 is embedded in the fastener groove 101 and positioned to cooperate with the anchor-shaped protrusion.

[0035] The hardware fastener 5 has four connecting ends 53 extending from the four corners after the shell 1 and the insulating base 3 are buckled together; the button hole 102 passes through the boss 103, and the button hole 102 is far away from the connecting end 53. In this embodiment, the side key switch is approximately rectangular as a whole, and the button 2 and the connecting end 53 are respectively located at the two ends of the long side of the side key switch to prevent flux from entering the gap around the button during welding and affecting use.

[0036] like Figure 8 As shown, a positioning column 15 is also protruded from the housing 1 and is located on the same side as the connecting end 53. The positioning column 15 is positioned and matched with the mounting plate of the device on which the side key is to be installed, so as to facilitate welding of the connecting end and the device to be installed.

[0037] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope covered by the present invention.

Claims

1. A long-life side key switch, comprising a housing (1), a button (2), and an insulating base (3), wherein a contact assembly (4) is provided between the button (2) and the insulating base (3), and characterized in that: The outer sides of the housing (1) and the insulating base (3) are surrounded by a hardware fastener (5); the surface of the housing (1) has a fastener groove (101); the surface of the insulating base (3) has a positioning protrusion (14); the hardware fastener (5) includes a first positioning surface (51) and a second positioning surface that are connected; the first positioning surface (51) is at least partially embedded in the fastener groove (101); the second positioning surface is provided with a positioning hole (52) that is positioned and matched with the positioning protrusion (14).

2. The long-life side key switch according to claim 1, characterized in that: The housing (1) has a button hole (102), the button (2) comprises a pressing end (21) passing through the button hole (102) and a contact end (22) contact-pressed with the contact assembly (4), and a diaphragm (23) is provided between the contact end (22) and the contact assembly (4).

3. The long-life side key switch according to claim 2, characterized in that: The contact sheet assembly (4) comprises a conductive sheet and a contact point (41), and three layers of spring sheets are arranged between the contact point (41) and the diaphragm (23).

4. The long-life side key switch according to claim 1, characterized in that: The insulating base (3) is provided with a mounting groove (31), the contact piece assembly (4) is embedded in the mounting groove (31), and the pin (42) of the conductive piece is extended out of the insulating base (3).

5. The long-life side key switch according to claim 1, characterized in that: A positioning groove (32) is provided on the insulating base (3), and the positioning protrusion (14) is located on the inner side of the shell (1). The shell (1) and the insulating base (3) are fastened together so that the positioning protrusion (14) passes through the positioning groove (32) and is limitedly engaged with the positioning hole (52) of the hardware fastener (5).

6. A long-life side key switch according to any one of claims 1 to 5, characterized in that: The surface of the housing (1) is a stepped surface having a boss (103), and the boss (103) is extended with an extended vertical portion (11) and an extended horizontal portion (12), and fastener grooves (101) are formed on the sides of the extended vertical portion (11) and the extended horizontal portion (12).

7. The long-life side key switch according to claim 6, characterized in that: The two ends of the extended transverse portion (12) have bent portions (13), and the boss (103) and its extended vertical portion (11), the extended transverse portion (12), and the bent portion (13) are combined to form an anchor-shaped protrusion, and the first positioning surface (51) is embedded in the fastener groove (101) to position and cooperate with the anchor-shaped protrusion.

8. The long-life side key switch according to claim 6, characterized in that: The hardware fastener (5) has four connection ends (53) extending from four corners of the housing (1) and the insulating base (3) after being fastened together.

9. The long-life side key switch according to claim 8, characterized in that: The housing (1) has a button hole (102), the button hole (102) passes through the boss (103), and the button hole (102) is away from the connection end (53).

10. The long-life side key switch according to claim 8, characterized in that: A positioning column (15) is also protruding from the housing (1), and the positioning column (15) is located on the same side as the connecting end (53).

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