CN203205308U

CN203205308U - Keyboard switch

Info

Publication number: CN203205308U
Application number: CN 201320187570
Authority: CN
Inventors: 冯建青
Original assignee: DONGGUAN GAOTE ELECTRONICS Co Ltd
Current assignee: DONGGUAN GAOTE ELECTRONICS Co Ltd
Priority date: 2013-04-15
Filing date: 2013-04-15
Publication date: 2013-09-18
Anticipated expiration: 2023-04-15

Abstract

The utility model discloses a keyboard switch, which comprises a key base, a pressing handle and a body. The key base is internally provided with a reentrant cavity. The internal lower end of the key base is provided with a positioning column. The positioning column is provided with a positioning groove and the positioning groove is connected with a reset spring. One end of the reset spring is connected with the positioning column, and the other end of the reset spring is connected with the pressing handle. The body and the key base are buckled together to form a cavity. A static contact sheet and a movable contact sheet are arranged in the cavity. The static contact sheet comprises a welding piece and a contact piece, wherein the welding piece and the contact piece are integrally formed as a whole. The movable contact sheet comprises a fixing piece and a welding piece. The welding piece of the static contact sheet and the welding piece of the movable contact sheet are extended out of the cavity through two through holes arranged in the key base. The keyboard switch has the advantages of simple structure, easy installation, small friction force, smooth and labor-saving operation, and long service life, thus can be widely applied to the keyboard of a desktop computer, the keyboard of a laptop, a cash register and the like.

Description

Keyboard switch

Technical field

The utility model relates to keyboard switch, relate in particular to a kind ofly be widely used in that having of computer-keyboard, keyboard of notebook computer, cashier's machine art of keypads uses that feel is excellent, the keyboard switch of smooth and easy, the low cost of manufacture of sliding, long service life advantage.

Background technology

Existing Computer keyboard switch all is along the reference column that protrudes out downwards in the keycap, make vertical telescopic in the keyseat opening, in order to the circuits for triggering contact, if the contact-making surface of this keyboard design keycap reference column and keyseat too hour, easy run-off the straight in the operation, or the wild effect of card key arranged, such as People's Republic of China's number of patent application: 200720201048.4, the applying date: on September 20th, 2007, a kind of innovation and creation of keyboard press button structure by name are disclosed, this utility model comprises that one has pedestal and a keycap of keyhole, described keycap comprises that an activity is installed in the key post in the described keyhole, described pedestal is convexly equipped with at least one lead in described keyhole, corresponding each lead that is convexly equipped with in the outside of described key post is arranged with a guiding bending, and described guiding bending forms line with described lead and contacts.People's Republic of China's number of patent application and for example: 200920058552.2, the applying date: disclosed a kind of utility model of keyboard by name on June 12nd, 2009, this keyboard comprises a keycap, a pedestal and an elastomer; Keycap has a key body, has protruded out a key post on the key body, and this key post comprises a pilum and at least one guide pillar that links to each other with pilum; Pedestal has a substrate, protrudes out some post and guide posts of holding on the substrate, describedly holds post and guide posts surrounds an accommodation space, and the guide posts inboard is arranged with and forms one and extend to the up and down guide groove at two ends of guide pillar; Elastomer is installed between the substrate of the key body of keycap and pedestal; Wherein the key post can be inserted in the accommodation space up and downly, and guide pillar can slide up and down to be inserted in the described guide groove.Above-mentioned existing keyboard switch tilts or skew in order to prevent keycap, and only be that the contact-making surface of keycap (key post) with conduit (guide) increased, and then operate, frictional force between keycap (key post) and the conduit (guide) is larger, the operation effort, and structure is unification too, uses the shortcoming fluency, installs comparatively numerous and diverse.

The utility model content

The purpose of this utility model is, overcomes the defects of prior art, provides a kind of simple in structure, install simple and easy, frictional force is little, operates the keyboard switch of smooth and easy laborsaving, long service life.

For achieving the above object, the technical scheme that the utility model provides is as follows: a kind of keyboard switch, comprise keyseat, handle and body, has a cavity in the keyseat, low side convexes with reference column in the keyseat, be provided with location notch on the reference column, be connected with a back-moving spring on the location notch, back-moving spring one end is connected with reference column, and the other end is connected with handle, and body and keyseat fasten and form a cavity, be provided with quiet contact chip and moving contacting plate in the cavity, quiet contact chip comprises integrated weldment and contact, and moving contacting plate comprises fixture and weldment, and the weldment of quiet contact chip and the weldment of moving contacting plate stretch out by the two through hole that keyseat arranges from inner chamber; Keyseat lateral wall two parallel edges respectively extend upward a button pin, the keyseat lateral wall in addition two parallel edges each to being externally connected with a faceplate.

Body interior is provided with a chute, and handle can slide by easy on and off in this chute, and the body lateral wall is provided with a plurality of button pin.

Be connected with a contact on the moving contacting plate, contact elasticity bending from the moving contacting plate is extended, and can contact with the handle of down sliding, and riveting has a contact on the contact; Riveting has another contact on the contact of quiet contact chip, and the contact during the handle lower slider on the moving contacting plate contacts with this contact.

Cavity is connected with shell fragment, and shell fragment is formed by the arc-shaped elastic bending, is provided with a pair of circular arc salient point on the shell fragment and connects with handle and contact.

The left and right both sides of shell fragment respectively are provided with the double card point, and two groups of double card points contact with the body cavity respectively.

Respectively there is a groove handle both sides, clamping silica gel piece in the groove.

Usefulness of the present utility model is, and is simple in structure, install simple and easy, frictional force is little, operates smooth and easy laborsavingly, long service life is widely used in computer-keyboard, cashier's machine, keyboard of notebook computer.

Description of drawings

Fig. 1 is the explosive view of the utility model keyboard switch the first embodiment;

Fig. 2 is the cutaway view of the utility model keyboard switch the first embodiment;

Fig. 3 is the stereogram of the utility model keyboard switch the first embodiment;

Fig. 4 is the explosive view of the utility model keyboard switch the second embodiment.

Embodiment

Be further described with regard to the technical solution of the utility model below in conjunction with accompanying drawing and preferred embodiment.

Such as Fig. 1, shown in Figure 2, keyboard switch the first embodiment described in the utility model: comprise keyseat 1, handle 2 and body 3, has a cavity 10 in the keyseat 1, keyseat 1 interior bottom convexes with reference column 11, be provided with location notch 12 on the reference column 11, be connected with a back-moving spring 4 on the location notch 12, back-moving spring 4 one ends are connected with reference column 11, the other end is connected with handle 2, body 3 fastens with keyseat 1 and forms a cavity 5, be provided with quiet contact chip 51 and moving contacting plate 52 in the cavity 5, quiet contact chip 51 comprises integrated the first weldment 510 and the first contact 511, moving contacting plate 52 comprises integrated the second weldment 520 and fixture 521, and the first weldment 510 of quiet contact chip 51 and the second weldment 520 of moving contacting plate 52 stretch out by the through hole 13 that keyseat 1 arranges from inner chamber 5; Keyseat 1 lateral wall two parallel edges respectively extend upward a button pin 14, keyseat 1 lateral wall in addition two parallel edges each to being externally connected with a faceplate 15.

Body 3 inside are provided with a chute 31, and handle 2 can slide at these chute 31 interior easy on and off, and body 3 lateral walls are provided with the first button pin 32, the second button pin 33, the 3rd button pin 34 and the 4th button pin (accompanying drawing does not show).

The second contact 522, the second contacts 522 elasticity bending from the second moving contacting plate 52 that is connected with on the moving contacting plate 52 is extended, and riveting has the second contact 523, the second contacts 522 to contact with the handle 2 of down sliding on the second contact 522; Riveting has the first contact 512 on the first contact 511 of quiet contact chip 51, and the contact 523 during the handle lower slider on the moving contacting plate 52 contacts with the first contact 512.

Cavity 5 is connected with shell fragment 53, and shell fragment 53 is formed by the arc-shaped elastic bending, and shell fragment 53 is provided with a pair of circular arc salient point 531 and contacts with handle 2.

Shell fragment 53 left sides are provided with the first stuck point 532, the second stuck point 533, and shell fragment 53 the right are provided with the 3rd stuck point 534, the 4th stuck point (accompanying drawing does not show), and the first stuck point 532, the second stuck point 533, the 3rd stuck point 534, the 4th stuck point contact with body 1 cavity.

Handle 2 both sides have the first groove 21, the second groove (accompanying drawing does not show), clamping the first silica gel piece 54, the second silica gel piece 55 in the first groove 21 and the second groove.

As shown in Figure 3, keyboard switch the second embodiment described in the utility model: comprise keyseat 1, handle 2 and body 3, has a cavity 10 in the keyseat 1, keyseat 1 interior bottom convexes with reference column 11, be provided with location notch 12 on the reference column 11, be connected with a back-moving spring 4 on the location notch 12, back-moving spring 4 one ends are connected with reference column 11, the other end is connected with handle 2, body 3 fastens with keyseat 1 and forms a cavity 5, be provided with quiet contact chip 51 and moving contacting plate 52 in the cavity 5, quiet contact chip 51 comprises integrated the first weldment 510 and the first contact 511, moving contacting plate 52 comprises integrated the second weldment 520 and fixture 521, and the first weldment 510 of quiet contact chip 51 and the second weldment 520 of moving contacting plate 52 stretch out by the through hole 13 that keyseat 1 arranges from inner chamber 5; Keyseat 1 lateral wall two parallel edges respectively extend upward a button pin 14, keyseat 1 lateral wall in addition two parallel edges each to being externally connected with a faceplate 15.

The second contact 522, the second contacts 522 elasticity bending from the second moving contacting plate 52 that is connected with on the moving contacting plate 52 is extended, and riveting has 523, the second contacts 523, the second contact to contact with the handle 2 of down sliding on the second contact 522; Riveting has the first contact 512 on the first contact 511 of quiet contact chip 51, and the contact 523 during the handle lower slider on the moving contacting plate 52 contacts with the first contact 512.

Design focal point of the present utility model is: at first, extend the second contact by the downward bending in moving contacting plate, replace traditional inclined-plane projection that utilizes and directly acted on mode on the contact, so that the second contact of moving contacting plate is not easy to occur elastic fatigue, keep preferably elasticity, prolong the useful life of product, and can promote stability and the reliability that is connected between moving contacting plate and the quiet contact chip, had better serviceability.Secondly, by the second contact that on the second contact of moving contacting plate, arranges, and replaced traditional mode that is welded and fixed by the first contact that on the first contact of static contact, arranges, so that the contact is more solid and reliable with being connected of contact, be conducive to promote the stability that conducting connects, and technological process is oversimplified, and is conducive to improve production and assembly efficient.By on keyseat, being provided with button pin, faceplate, more be conducive to improve the packaging efficiency of product.Moreover, by loading and unloading silica gel piece at handle and changing shell fragment and realize quiet and sound effective value is arranged.

Above-described only is principle of the present utility model and preferred embodiment.Should be pointed out that to those skilled in the art, under the prerequisite that does not break away from the utility model principle, can also make some modification and improvement, also should be considered as belonging to protection range of the present utility model.

Claims

1. keyboard switch, comprise keyseat, handle and body, has a cavity in the keyseat, low side convexes with reference column in the keyseat, be provided with location notch on the reference column, be connected with a back-moving spring on the location notch, back-moving spring one end is connected with reference column, the other end is connected with handle, body and keyseat fasten and form a cavity, are provided with quiet contact chip and moving contacting plate in the cavity, and quiet contact chip comprises integrated weldment and contact, moving contacting plate comprises fixture and weldment, and the weldment of quiet contact chip and the weldment of moving contacting plate stretch out by the two through hole that keyseat arranges from inner chamber; It is characterized in that: described keyseat lateral wall two parallel edges respectively extend upward a button pin, the keyseat lateral wall in addition two parallel edges each to being externally connected with a faceplate.

2. keyboard switch according to claim 1, it is characterized in that: described body interior is provided with a chute, and handle can slide by easy on and off in this chute, and the body lateral wall is provided with a plurality of button pin.

3. keyboard switch according to claim 1 is characterized in that: be connected with a contact on the described moving contacting plate, contact elasticity bending from the moving contacting plate is extended, and riveting has a contact on the contact, and the contact can contact with the handle that slides up and down; Riveting has another contact on the contact of quiet contact chip.

4. keyboard switch according to claim 1, it is characterized in that: described cavity is connected with shell fragment, and shell fragment is formed by the arc-shaped elastic bending, is provided with a pair of circular arc salient point on shell fragment and the handle contact-making surface.

5. keyboard switch according to claim 4, it is characterized in that: the left and right both sides of described shell fragment respectively are provided with the double card point, and two groups of double card points contact with the body cavity respectively.

6. keyboard switch according to claim 1, it is characterized in that: respectively there is a groove described handle both sides, clamping silica gel piece in the groove.