CN205004233U - Dustproof keyboard button - Google Patents

Dustproof keyboard button Download PDF

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Publication number
CN205004233U
CN205004233U CN201520793972.0U CN201520793972U CN205004233U CN 205004233 U CN205004233 U CN 205004233U CN 201520793972 U CN201520793972 U CN 201520793972U CN 205004233 U CN205004233 U CN 205004233U
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China
Prior art keywords
axle
contact
dust
keyboard button
dustproof keyboard
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Active
Application number
CN201520793972.0U
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Chinese (zh)
Inventor
李建平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Hengfeng Enterprise Management Co ltd
Original Assignee
DONGGUAN MINGJIAN ELECTRONIC TECHNOLOGY Co Ltd
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Priority to CN201520793972.0U priority Critical patent/CN205004233U/en
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Publication of CN205004233U publication Critical patent/CN205004233U/en
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Abstract

The utility model provides a dustproof keyboard button, including button main part and key cap, the button main part includes the shell, presses axle and reset spring, be equipped with a jack -post according to the lower extreme of axle, outwards extend the round chimb according to the lateral wall at axle middle part, the edge of chimb upwards extends the dustproof wall of round, according to the epaxial stopper that is equipped with the restriction and upsprings on according to the axial, be equipped with the chamber that holds that holds according to axle and reset spring in the shell, the upper end opening and the chimb phase -match that hold the chamber, hold the intracavity along the vertical direction of button main part still be equipped with one with jack -post assorted pipe, the extending direction reciprocating motion of pipe can be followed to the jack -post in the pipe, key cap and can dismantle the connection according to the axle. The utility model provides a dustproof keyboard button can prevent dust enter the containing chamber effectively.

Description

A kind of dustproof keyboard button
Technical field
A kind of button switch for keyboard of the utility model, is specifically related to a kind of dustproof keyboard button.
Background technology
The button of keyboard is the important input block of computer, but because the special construction of button, in use, because of ever-present dust granules in environment etc., keyboard after long-term use, be very easy to accumulation dust, gently then affect the use comfort of keyboard, heavy then the serious problems such as the open circuit of keyboard interior lines or short circuit may be caused.
Conventional dust collection method be that armrest wipes dust, negative-pressure adsorption dust or back-off keyboard, and this dedusting method can not effectively stop dust to enter switch internal, will affect the life-span of keyboard for a long time.Although although the mode of keyboard employing keyboard pasting film can be dust-proof preferably, keyboard pasting film impact is attractive in appearance and use comfort.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of dustproof keyboard button.
For solving the problem, the technical scheme that the utility model adopts is as follows:
A kind of dustproof keyboard button, comprise shell and keycap, described shell comprises shell, by axle and back-moving spring;
The described lower end by axle is provided with a jack-post, described in extend outward a circle chimb by the sidewall in the middle part of axle, the edge of described chimb extends upward the dust-proof wall of a circle; Described being provided with by axle limits by the guide vane end stop of axially upspringing;
Be provided with the container cavity held by axle and back-moving spring in described shell, upper end open and the chimb of described container cavity match, and are also provided with a conduit matched with jack-post in described container cavity along the vertical direction of shell; Described jack-post can along the bearing of trend reciprocating motion of conduit in conduit;
One end of described back-moving spring is connected with the lower end of chimb, and the other end is connected with the bottom of container cavity;
Described keycap is fixed on removably by axle.
As preferably, described in by axle being also provided with the erection column installed for keycap, described keycap is provided with the installation cavity matched with erection column.
As preferably, described dustproof keyboard button also comprises one for controlling the switch module that button power supply switches on and off.
As preferably, described switch module is photoinduction switch, and described photoinduction switch comprises an optical inductor, is provided with one for the block of shading light inductor by axle.
As preferably, be provided with a dust-proof chamber inside described container cavity, described photoinduction switch is positioned at dust-proof chamber.
As preferably, described switch module comprises and moves contact and a static contact, and described static contact is at least provided with more than one fixed contact, described mobile contact upper end is provided with the moving contact matched with fixed contact; Described mobile contact is provided with a rebate, and is provided with the bulge for extruding rebate by axle, to contact or disconnect to make moving contact with fixed contact.
As preferably, described static contact upper end is provided with two or more fixed contact, and described mobile contact is provided with the moving contact matched with described fixed contact.
As preferably, be provided with a dust-proof chamber inside described container cavity, described mobile contact and static contact are positioned at dust-proof chamber.
As preferably, described fixed contact is positioned at the upper end position in dust-proof chamber.
Compared to existing technology, the beneficial effects of the utility model are:
The utility model provides a kind of dustproof keyboard switch, by by axle being arranged a dust-proof wall, by under axial compression and in the process of upspringing, shell with press axle close contact all the time, effectively prevent dust and enter container cavity in shell, serve good dust-proof antifouling effect.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the profile of the utility model embodiment 1;
Fig. 3 be the utility model embodiment 1 by axle and switch module partial schematic diagram;
Fig. 4 is the profile of the utility model embodiment 2;
Fig. 5 is the switch module channel status partial schematic diagram of the utility model embodiment 2;
Fig. 6 is the switch module off state partial schematic diagram of the utility model embodiment 2;
In Fig. 1-6, each Reference numeral: 1, shell; 11, container cavity; 12, spacing edge; 13, conduit; 14, dust-proof chamber; 2, axle is pressed; 21, erection column; 22, chimb; 221, dust-proof wall; 23, guide vane end stop; 24, block; 25, jack-post; 26, bulge; 3, keycap; 31, cap body; 32, installation cavity; 4, back-moving spring; 5, photoinduction switch; 51, optical inductor; 6, mobile contact; 61, moving contact; 62, rebate; 7, static contact; 71, fixed contact.
Embodiment
The utility model provides a kind of dustproof keyboard button, as shown in Figure 1, Figure 2 and Figure 4, comprises key main body and keycap 3, and described key main body comprises shell 1, by axle 2 and back-moving spring 4;
The described lower end by axle 2 is provided with a jack-post 25, described in extend outward a circle chimb 22 by the sidewall in the middle part of axle 2, the edge of described chimb 22 extends upward the dust-proof wall 221 of a circle; The guide vane end stop 23 limiting and pop up by axle 2 is provided with by axle 2;
Chimb 22 effectively reduces dust and falls into key main body, and dust-proof wall 221 vertically, and effectively reduce button when pressing, dust is from falling in key main body by the space between axle 2 and key main body;
Be provided with the container cavity 11 held by axle 2 and back-moving spring 4 in shell 1, upper end open and the chimb 22 of described container cavity 11 match, and are also provided with a conduit 13 matched with jack-post 25 in container cavity 11 along the vertical direction of shell 1; Described jack-post 25 can along the bearing of trend reciprocating motion of conduit 13 in conduit 13;
Moved up and down in conduit 13 by jack-post 25 by axle 2, thus decrease and to press in process the dislocation of level bias by axle 2, and avoid because dislocation is directed at dust from falling in key main body by the space between axle 2 and key main body;
One end of described back-moving spring 4 is connected with the lower end of chimb 22, and the other end is connected with the bottom of container cavity;
Described keycap 3 is fixed on removably by axle 2, so that cleaning and dedusting.
embodiment 1:
As depicted in figs. 1 and 2, the utility model provides a kind of dustproof keyboard button, comprises key main body and keycap 3, and described key main body comprises shell 1, by axle 2 and back-moving spring 4;
Be provided with a jack-post 25 by the lower end of axle 2, extend outward a circle chimb 22 by the sidewall in the middle part of axle 2, the edge of chimb 22 extends upward the dust-proof wall 221 of a circle; The guide vane end stop 23 limiting and pop up by axle 2 is provided with by axle 2; As shown in Figure 2, the upper end of shell 1 is provided with the spacing edge 12 matched with guide vane end stop 23;
Be provided with the container cavity 11 held by axle 2 and back-moving spring 4 in shell 1, upper end open and the chimb 22 of container cavity 11 match, and are also provided with a conduit 13 matched with jack-post 25 in described container cavity 11 along the vertical direction of shell 1; Jack-post 25 can along the bearing of trend reciprocating motion of conduit 13 in conduit 13;
One end of back-moving spring 4 is connected with the lower end of chimb 22, and the other end is connected with the bottom of container cavity 11;
Keycap 3 is fixed on removably by axle 2.
In the present embodiment, keycap 3 with include but not limited to clamping, socket by the fixed form of axle 2; As being provided with the erection column 21 installed for keycap 3 by axle 2, the installation cavity 32 that keycap 3 comprises cap body 31 and matches with erection column 21.The shape of erection column 21 is preferably centrosymmetric shape, as cube shaped or cylindrical;
As shown in Figure 3, switch module is photoinduction switch 5, photoinduction switch 5 comprises an optical inductor 51, one is provided with for the block 24 of the light signal of shading light inductor 51 by axle 2, as shown in Figure 3, block 24 between this optical inductor 51, when pressing by axle 2, block 24 leaves optical inductor 51, is connected between this photoinduction switch 5 by light signal; When upspringing by axle 2, block 24 is got back between optical inductor 51, with shading light inductor 51, thus cuts off the light signal between optical inductor 51.
The present embodiment, as further scheme, be provided with a dust-proof chamber (not shown) inside shell 1, photoinduction switch 5 is positioned at dust-proof cavity.This kind of mode effectively can reduce the problem that dust accumulates on photoinduction switch 5.
embodiment 2:
As shown in Figure 4 and Figure 5, the utility model provides a kind of dustproof keyboard button, comprises key main body and keycap 3, and described key main body comprises shell 1, by axle 2 and back-moving spring 4;
Be provided with a jack-post 25 by the lower end of axle 2, extend outward a circle chimb 22 by the sidewall in the middle part of axle 2, the edge of chimb 22 extends upward the dust-proof wall 221 of a circle; The guide vane end stop 23 limiting and pop up by axle 2 is provided with by axle 2;
Be provided with the container cavity 11 held by axle 2 and back-moving spring 4 in shell 1, upper end open and the chimb 22 of container cavity 11 match, and are also provided with a conduit 13 matched with jack-post 25 in described container cavity 11 along the vertical direction of shell 1; Described jack-post 25 can along the bearing of trend reciprocating motion of conduit 13 in conduit 13;
One end of back-moving spring 4 is connected with the lower end of chimb 22, and the other end is connected with the bottom of container cavity 11;
Keycap 3 is fixed on erection column 21 removably.
As shown in Figures 4 and 5, switch module comprises and moves contact 6 and a static contact 7, and static contact 7 upper end is provided with two fixed contacts 71, and described mobile contact 6 upper end is provided with the moving contact 61 matched with fixed contact 71; Described mobile contact 6 is provided with a rebate 62, and is provided with the bulge 26 for extruding rebate 62 by axle 2, to contact or disconnect to make moving contact 61 with fixed contact 71.As shown in Figure 6, when upspringing by axle 2, bulge 26 extrudes rebate 62, makes the upper end of mobile contact 6 to outer displacement, thus makes moving contact 61 leave fixed contact 71, and namely this dust-proof key switch is off state; As shown in Figure 5, when pressing by axle 2, bulge 26 leaves rebate 62, makes the upper end of mobile contact 6 to intrinsic displacement, thus moving contact 61 is contacted with fixed contact 71, and namely this dust-proof key switch is channel status;
In the present embodiment, as shown in Figure 4, be provided with a dust-proof chamber 14 inside shell 1, switch module is positioned at dust-proof chamber 14 body.The top of static contact 7 and the top in dust-proof chamber 14 offset; The fixed contact 71 of static contact 7 is positioned at the upper end position in dust-proof chamber 14.
Above-mentioned execution mode is only preferred implementation of the present utility model; can not limit the scope of the utility model protection with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present utility model all belong to the utility model scope required for protection.

Claims (9)

1. a dustproof keyboard button, is characterized in that, comprises key main body and keycap, and described key main body comprises shell, by axle and back-moving spring;
The described lower end by axle is provided with a jack-post, described in extend outward a circle chimb by the sidewall in the middle part of axle, the edge of described chimb extends upward the dust-proof wall of a circle; Described being provided with by axle limits by the guide vane end stop of axially upspringing;
Be provided with the container cavity held by axle and back-moving spring in described shell, upper end open and the chimb of described container cavity match, and are also provided with a conduit matched with jack-post in described container cavity along the vertical direction of key main body; Described jack-post can along the bearing of trend reciprocating motion of conduit in conduit;
One end of described back-moving spring is connected with the lower end of chimb, and the other end is connected with the bottom of container cavity;
Described keycap is fixed on removably by axle.
2. dustproof keyboard button as claimed in claim 1, is characterized in that, described in by axle being also provided with the erection column installed for keycap, described keycap is provided with the installation cavity matched with erection column.
3. dustproof keyboard button as claimed in claim 1, it is characterized in that, described dustproof keyboard button also comprises one for controlling the switch module that button power supply switches on and off.
4. dustproof keyboard button as claimed in claim 3, it is characterized in that, described switch module is photoinduction switch, and described photoinduction switch comprises an optical inductor, is provided with one for the block of shading light signal by axle.
5. dustproof keyboard button as claimed in claim 4, it is characterized in that, be provided with a dust-proof chamber inside described container cavity, described photoinduction switch is positioned at dust-proof cavity.
6. dustproof keyboard button as claimed in claim 3, it is characterized in that, described switch module comprises and moves contact and a static contact, and described static contact upper end is at least provided with a fixed contact, and described mobile contact upper end is provided with the moving contact matched with fixed contact; Described mobile contact is provided with a rebate, and is provided with the bulge for extruding rebate by axle, to contact or disconnect to make moving contact with fixed contact.
7. dustproof keyboard button as claimed in claim 6, it is characterized in that, described static contact upper end is provided with two or more fixed contact, and described mobile contact is provided with the moving contact matched with described fixed contact.
8. dustproof keyboard button as claimed in claim 6, it is characterized in that, be provided with a dust-proof chamber inside described container cavity, described mobile contact and static contact are positioned at dust-proof chamber.
9. dustproof keyboard button as claimed in claim 8, it is characterized in that, described fixed contact is positioned at the upper end position in dust-proof chamber.
CN201520793972.0U 2015-10-13 2015-10-13 Dustproof keyboard button Active CN205004233U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520793972.0U CN205004233U (en) 2015-10-13 2015-10-13 Dustproof keyboard button

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520793972.0U CN205004233U (en) 2015-10-13 2015-10-13 Dustproof keyboard button

Publications (1)

Publication Number Publication Date
CN205004233U true CN205004233U (en) 2016-01-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520793972.0U Active CN205004233U (en) 2015-10-13 2015-10-13 Dustproof keyboard button

Country Status (1)

Country Link
CN (1) CN205004233U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10637470B2 (en) 2018-01-05 2020-04-28 Darfon Electronics Corp. Optical keyswitch
US11018667B2 (en) 2018-01-05 2021-05-25 Darfon Electronics Corp. Optical keyswitch
US11721500B2 (en) 2021-04-07 2023-08-08 Darfon Electronics Corp. Keyswitch assembly and support mechanism thereof
US11735379B2 (en) 2021-04-07 2023-08-22 Darfon Electronics Corp. Keyswitch assembly
US11770123B2 (en) 2018-01-05 2023-09-26 Darfon Electronics Corp. Optical keyswitch comprising a keycap having a light transmission area and a keycap projection area projected on a circuit board

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10637470B2 (en) 2018-01-05 2020-04-28 Darfon Electronics Corp. Optical keyswitch
US11018667B2 (en) 2018-01-05 2021-05-25 Darfon Electronics Corp. Optical keyswitch
US11108393B2 (en) 2018-01-05 2021-08-31 Darfon Electronics Corp. Optical keyswitch triggered by support mechanism having at least one rotatable frame enable a protrusion to move along with a key cap
US11770123B2 (en) 2018-01-05 2023-09-26 Darfon Electronics Corp. Optical keyswitch comprising a keycap having a light transmission area and a keycap projection area projected on a circuit board
US11855624B2 (en) 2018-01-05 2023-12-26 Darfon Electronics Corp. Optical switch comprising a movable member to rotate in response to movement of a support mechanism to change the intensity of received optical signal
US11721500B2 (en) 2021-04-07 2023-08-08 Darfon Electronics Corp. Keyswitch assembly and support mechanism thereof
US11735379B2 (en) 2021-04-07 2023-08-22 Darfon Electronics Corp. Keyswitch assembly

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Legal Events

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C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20230605

Address after: No. 1603, Zhejiang Dongguan Business Center, Dongguan Rural Commercial Bank Tangxia Branch Building, No. 5 Yingbin Avenue, Tangxia Town, Dongguan City, Guangdong Province, 523716 (cluster registration)

Patentee after: Guangdong Hengfeng Enterprise Management Co.,Ltd.

Address before: 4th Floor, No. 10 Shuilin Road, Tangxia Town, Dongguan City, Guangdong Province, 523000

Patentee before: DONGGUAN MINGJIAN ELECTRONIC TECHNOLOGY Co.,Ltd.

TR01 Transfer of patent right