CN2711877Y

CN2711877Y - Double widened key structure

Info

Publication number: CN2711877Y
Application number: CN 200420051164
Authority: CN
Inventors: 赵世宏; 姜春雷
Original assignee: Darfon Electronics Corp
Current assignee: Darfon Electronics Corp
Priority date: 2004-05-17
Filing date: 2004-05-17
Publication date: 2005-07-20
Anticipated expiration: 2014-05-17

Abstract

The utility model provides a double widened key, comprising a key cap and a base. The two ends of the key cap are respectively extended downward with a side post and each side post is provided with a first projection. The base is extended with two side post guide barrels to contain the corresponding side posts and each side post guide barrel is provided with a second projection. The first projection and the second projection are fastened with each other to limit the seesaw motion of the side post within the corresponding side post guide barrel.

Description

Doubly wide bond structure

Technical field

The utility model relates to a kind of times wide bond structure, more particularly, relates to a kind of doubly wide bond structure of not having a balancing pole.

Background technology

The button of most of computor-keyboard all is a square, but have the button of small part such as blank key (Space), enter key (Enter), and shift key (Shift) wait its keycap length on one side to be arranged than another length of side, these special buttons are commonly referred to as doubly wide key (multiple-width key).Doubly wide key is because length is longer, so if the user does not push position in the central, then doubly wide key will be easy to present tilt phenomenon.The method that prior art addresses this is that is for being provided with a balancing pole in wide key inside doubly, and this mode cost is higher.It is in wide key inside doubly a plurality of lateral columns and corresponding guide to be set that the lower and assembling of another kind of cost is easy to structure and method, and its structure below is described in detail in detail.

With reference to figure 1, there is not the exploded view of the doubly wide key 100 of balancing pole shown in the figure for prior art, wherein doubly wide key 100 comprises keycap 11, pedestal 12, flexible member 13, reaches thin film switch 14.Keycap 11 extends a key post 112 and a plurality of lateral column 113 downwards.When keycap 11 stressed pressing down, key post 112 passes key post guide 122 extruding flexible members 13 makes it produce deformation, and flexible member 13 further touches thin film switch 14, therefore starts the signal of telecommunication of doubly wide key 100.

Fig. 2 A and Fig. 2 B show before doubly wide key 100 combinations of prior art respectively and the profile after the combination.Shown in Fig. 2 A, the both sides of key post 112 are provided with the first grab 112h, and the both sides of key post guide 122 are provided with the second grab 122h.With reference to figure 2B, when keycap 11 was released, flexible member 13 provided an elastic force with keycap 11 jack-up.At this moment, the first grab 112h promptly engages to prevent that keycap 11 breaks away from mutually with the second grab 122h.By the restriction and the guiding of key post 112 and key post guide 122, therefore keycap 11 can obtain balance, to solve tilt phenomenon.

Yet the doubly wide key 100 of above-mentioned no balancing pole does not solve above-mentioned tilt phenomenon fully, Fig. 3 further specify when keycap 11 stressed positions not in central authorities, but when a certain end of keycap 11 (as the C end), how the doubly wide key 100 of prior art is operated.As shown in Figure 3, stressed down the time when C end, key post 112 engages mutually with its corresponding second grab 122h near the first grab 112h of D end and forms a fulcrum A, and keycap 11 is at the part of D end so perk one angle θ up ₁This guide that utilizes stops that the lateral column perk to keep the doubly wide bond structure of balance, produces " key is felt firmly " that is difficult to press down when practical operation.Because lateral column 113 increases with the friction area of key post guide 123, so must applying more power, the user force the D end of keycap 11 to change direction, lateral column 113 could be along lateral column guide 123 down, the source that Here it is " key is felt firmly " that the user presses down." key is felt firmly " when therefore, for the doubly wide key 100 of prior art, needing a kind of new structure of design to operate to improve the user.

The utility model content

The purpose of this utility model provides a kind of times wide bond structure, " key is felt firmly " when using this operation to eliminate.

For this reason, the utility model provides a kind of times wide bond structure, and described times of wide bond structure comprises: a keycap, described keycap extend a key post; One first and second lateral column, described first and second lateral column lays respectively at the both sides of described key post, and has one first protuberance respectively; An and pedestal, described pedestal extends a key post guide, first and second lateral column guide, described first and second lateral column guide lays respectively at the both sides of described key post guide, and has one second protuberance respectively, wherein, described key post, described first and second lateral column be respectively at moving up and down in described post guide, described first and second lateral column guide, and respectively described first and second lateral column is limited in described first and second lateral column guide by described first protuberance and described second protuberance.

According to a kind of times wide bond structure of the present utility model, comprise a keycap and a pedestal.This keycap extends a key post, first and second lateral column, and this first and second lateral column lays respectively at the both sides of this key post, and has one first protuberance respectively.This pedestal extends a key post guide, first and second lateral column guide, this first and second lateral column guide lays respectively at the both sides of this key post guide, and has one second protuberance respectively, wherein, this key post, this first and second lateral column be respectively at moving up and down in this post guide, this first and second lateral column guide, and respectively this first and second lateral column is limited in this first and second lateral column guide by this first protuberance and this second protuberance.

Therefore, the friction area of lateral column and key post guide reduces significantly, thereby " key is felt firmly " when operating improved significantly.

Description of drawings

Fig. 1 is that prior art does not have the doubly wide bond structure exploded view of balancing pole.

Fig. 2 A-2B is that prior art does not have before the doubly wide key combination of balancing pole and the profile after the combination.

Fig. 3 shows that prior art do not have the operating conditions of the stressed position of the doubly wide key of balancing pole at a certain end.

Fig. 4 is the doubly wide bond structure exploded view of the utility model.

Fig. 5 A-5B is before the doubly wide key combination of the utility model and the profile after the combination.

Fig. 5 C is the partial enlarged drawing that first protuberance engages with second protuberance in the doubly wide bond structure of the utility model.

Fig. 6 is the operating conditions of the stressed position of the doubly wide key of the utility model at a certain end.

Description of reference numerals:

The doubly wide key of 100 prior aries

11 keycaps

12 pedestals

13 flexible members

14 thin film switches

112 key posts

113 lateral columns

122 key post guides

123 lateral column guides

111h, 113h first grab

121h, 123h second grab

The A fulcrum

θ ₁Angle

200 of the present utility model times of wide keys

21 keycaps

22 pedestals

23 flexible members

24 thin film switches

211 first lateral columns

212 key posts

213 second lateral columns

221 first lateral column guides

222 key post guides

223 second lateral column guides

211a first lateral column away from key post side

213a second lateral column away from key post side

The close key post side of 211b first lateral column

The close key post side of 213b second lateral column

The 221a first lateral column guide away from key post side

The 223a second lateral column guide away from key post side

The close key post side of the 221b first lateral column guide

The close key post side of the 223b second lateral column guide

211h, 213h first protuberance

221h, 223h second protuberance

The B fulcrum

θ ₂Angle

The a certain end of C keycap

The other end of D keycap

Embodiment

With reference to figure 4, Fig. 4 is the exploded view of of the present utility model times of wide key 200.Present embodiment provides one times wide key 200, and it comprises keycap 21, pedestal 22, flexible member 23, thin film switch 24 (membranecircuit).Keycap 21 extends first lateral column 211, key post 212, and second lateral column 213 downwards, wherein first lateral column 211, key post 212, and second lateral column 213 arrange in line, first lateral column 211 and second lateral column 213 lay respectively at the both sides of key post 212.22 of pedestals extend the first lateral column guide 221, key post guide 222, and the second lateral column guide 223, wherein first lateral column 211, key post 212, and one second lateral column 213 can be respectively the first lateral column guide 221, key post guide 222, and the second lateral column guide 223 in move up and down.

Fig. 5 A and Fig. 5 B show before doubly wide key 200 textural associations respectively and the profile after the combination.Shown in Fig. 5 A, flexible member 23 is arranged between keyseat guide 222 and the thin film switch 24.First lateral column 211 and second lateral column 213 have one respectively away from

key post side

211a and 213a, and a close key post side 211b and a 213b, wherein are respectively equipped with first protuberance 211h and the 213h on away from key post side 211a and 213a.Similar configuration is similarly also arranged on the lateral column guide.The first lateral column guide 221 and the second lateral column guide 223 also have one respectively away from key

post guide side

221a and 223a, and one near key

post guide side

221b and 223b, wherein is respectively equipped with second protuberance 221h and the 223h on away from key

post guide side

221a and 223a.

With reference to figure 5B, when keycap 21 stressed pressing down, key post 212 passes key post guide 222 extruding flexible members 23 makes it produce deformation, and then touches thin film switch 24, and therefore the signal of telecommunication of doubly wide key 200 is activated.On the contrary, when keycap 21 was released, 23 of flexible members provided an elastic force with keycap 21 jack-up.At this moment, the

first protuberance

211h and 213h can engage with the

second protuberance

221h and 223h respectively mutually, break away to prevent keycap 21.Fig. 5 C shows the partial enlarged drawing that the first protuberance 211h and the second protuberance 221h engage mutually.Therefore, should understand key post 212, first lateral column 211 and second lateral column 213 can be respectively at moving up and down in key post guide 222, the first lateral column guide 221 and the second lateral column guide 223, and respectively first lateral column 211 and second lateral column 213 are limited in the first lateral column guide 221 and the second lateral column guide 223 by the

first protuberance

211h, 213h and the

second protuberance

221h, 223h.

Fig. 6 is used for further specifying, when stressed position not at keycap 21 centers but when a certain end of keycap 21 (as the C end), how of the present utility model times wide key 200 will operate.As shown in Figure 6, stressed down the time when C end, the first protuberance 211h of D end can engage and form a fulcrum B mutually with the corresponding second protuberance 221h.Because fulcrum B position is at keycap D end, so keycap D end can not be upturned.Therefore keycap 21 down produces a tilt angle theta in the part of C end ₂Compare the tilt angle theta of present embodiment with the existent technique of Fig. 3 ₂θ much smaller than Fig. 3 ₁, so the friction area of lateral column 113 and key post guide 123 reduces significantly.So, " key is felt firmly " during operation improves significantly.

More than be to wish more clearly to describe feature of the present utility model and spirit to the detailed description of preferred embodiment, and above-mentioned disclosed preferred embodiment is not the restriction to protection range of the present utility model.On the contrary, the arrangement of above-mentioned explanation and various change and equivalence is all the utility model scope required for protection.Therefore, the utility model scope required for protection should be done the broadest explanation according to above-mentioned explanation, and contains the change and the arrangement of all possible equivalence.

Claims

1. one kind doubly wide bond structure is characterized in that described times of wide bond structure comprises:

One keycap, described keycap extend a key post, first and second lateral column, and described first and second lateral column lays respectively at the both sides of described key post, and have one first protuberance respectively;

And a pedestal, described pedestal extends a key post guide, first and second lateral column guide, and described first and second lateral column guide lays respectively at the both sides of described key post guide, and has one second protuberance respectively,

Wherein, described key post, described first and second lateral column be respectively at moving up and down in described post guide, described first and second lateral column guide, and respectively described first and second lateral column is limited in described first and second lateral column guide by described first protuberance and described second protuberance.

2. as claimed in claim 1 times of wide bond structure is characterized in that also comprising a thin film switch, and it is positioned at described guide pillar guide below, when described key post moves down in described key post guide, touches described thin film switch.

3. as claimed in claim 2 times of wide bond structure is characterized in that also comprising a flexible member, and it is between described key post guide and described thin film switch.

4. as claimed in claim 1 times of wide bond structure is characterized in that described key post, described first and second lateral column are located along the same line.

5. as claimed in claim 1 times of wide bond structure is characterized in that described first and second lateral column has a close key post side and respectively away from key post side, and wherein said first protuberance is positioned at described away from the key post side.

6. as claimed in claim 1 times of wide bond structure is characterized in that described first and second lateral column guide has a close key post guide side and respectively away from key post guide side, and wherein said second protuberance is positioned at described away from the key post guide side.