CN2176564Y - Keyboard button - Google Patents

Abstract

The utility model relates to a keyboard button, which is composed of a key cap, the guide groove of the key cap, a key panel, a rubber elasticity touch body, and the circuit board of a contact point. A rectangle key column is extended via the key cap and is inserted into the guide groove of the rectangle key column. Needle guide strip matches with the guide groove for moving towards the upper side and the lower side, and the symmetry plane of a guide column is provided with a clamping hook. Both sides of the clamping hook are provided with slope gaps, and the top is provided with a noise attenuation inclined wall which is positioned by the form of hook according to the vertical angle turnover wall of the guide groove of the key column. The key column is arranged inside the guide groove and is in the shape of the ring cap, and the end face of a key column resists the top surface of a top cover. During press, the convex touch body of the rubber elasticity touch body contacts with a circuit board with softness silver points; an upper contact point passes through the round hole of an insulating plate and contacts with lower contact points for switching on the circuit.

Description

Keyboard button

The utility model is a keyboard, is mainly a kind of key board unit that can use for a long time of design, and a kind of mild, keyboard that the rate of rocking is little is provided.

Today, stress in the office automation environment, computer frequently as seen, and utilization rate height, the long-term contact-key dish of meeting, at present commercially available computer dish design is improper, makes keyboard operation person when long the use, because of touch of key-press cap power acute excessively, cause the wrist injury, though be slight part, also may become big problem backward, significant.

The traditional commercially available keyboard structure of general use, (as shown in Figure 1), its construction package roughly comprised: button lid 1a, keycap seat 2a, rubber body 3a etc. form, and this type structural disadvantages is as follows:

1. because button lid 1a utilizes the left and right sides grab engage with keycap seat 2a location, so when the user operated, button lid 1a was because of locating deficiency, button covers the 1a double swerve, and steadiness is not good, easily causes wrist application of force direction indefinite, causes wrist fatigue to injure.

2. equally because the engaging of keyboard location is bad, easily cause swing, stressing quiet working environment, just form the noise pollution of disturbing the people.

Come to have again the structure of improvement then, shown in Fig. 2,4, its structure has button lid 4a, keycap guide bracket 5a, rubber conductive sponge 6a etc., and this type structural disadvantages is as follows:

1. after the assembling of described structural entity, bad because of plastic cement structural plan rigid design, itself elasticity is greater than rubber conductive sponge 6a bounce, so the quality improving effect is little.

2. extend square key lid guide pillar 44a and keycap guide bracket 5a collocation in the button lid 4a, wherein,,, cause bad so the normal assembly defect that produces causes button lid 4a to misplace direction because of button guide pillar 44a is a square.

3. rubber conductive sponge 6a must possess a supporting pillar 47a support rubber conductive sponge when key post pressing turning circuit, can make the abundant pressing conducting of conducting surface, so whole electronic conduction instability, significant makes people worried.

4. this key post 44a cooperates with keycap guide bracket 5a, when rebounding, causes rubber conductive sponge 6a the sound for reducing, must not weigh too big because of ergonomics requires rubber conductive sponge 6a to press load again, so will control the elastic force that cancave cambered surface is scratched sheet 41a, the too small then key lid of elastic force guide pillar 44a breaks away from, when elastic force was excessive, key lid guide pillar can't smooth and easy springing.

5. this key lid guide pillar is set up circular concentric guide pillar 45a for four jiaos, the circle that can not change concentric circles arbitrarily directly, so during quick operation keyboard, key lid guide pillar 44a can rock (as shown in Figure 3) in a left side, the operator increase the weight of virtually to key in strength and the time and change the wrist direction, cause wrist injured for a long time.

6. this keycap guide bracket 5a is provided with and allows key lid guide pillar 44a import the acute angle 55a of breach naturally, but when combination, very easily causes key lid guide pillar end face right angle 46a to cooperate with keycap guide bracket 5a mouth right angle, imports difficulty.

So, the inventor because conventional art still have and permitted a little shortcomings or improve part not to the utmost, start to develop, and collect all related keyboard press-key structures and do its relative merits assessment, rely on the experience be engaged in the industry design accumulation, via the computer simulation correction and constantly study improvement and actual test, than all products, original shortcoming is not seen again, creates " keyboard " of the present invention.

Fundamental purpose of the present utility model is: a kind of button is provided, and the user beats keyboard for a long time, reaches keyboard and does not rock gently, and the user can not injure wrist because of long-term the use.

Another purpose of the present utility model, design a kind of engaging easily, surface of contact minimizes, friction force is little, uses noise to reduce to minimum button.

Another purpose of the present utility model is used an easy structure, better use effect and low manufacturing expense, reaches more practical and than the tool economic benefit.

For reaching above-mentioned purpose and structure, technological means that the utility model adopted and effect thereof now illustrate in detail that with regard to embodiment of the present utility model its structure and function thereof are as follows in conjunction with the accompanying drawings.

Fig. 1 is a conventional keyboard press-key structure of the present utility model ().

Fig. 2 is a conventional keyboard press-key structure of the present utility model (two).

Fig. 3 is that conventional keyboard button of the present utility model rocks figure.

Fig. 4 is conventional keyboard press-key structure of the present utility model (a two) sectional view.

Fig. 5 is a three-dimensional structure diagram of the present utility model.

Fig. 6 is a plan cross-section synoptic diagram of the present utility model.

Actuation force was revised the difference comparison diagram when Fig. 7 was the utility model key entry.

Keyboard press button structure of the present utility model, it consists predominantly of:

Keycap 1, it is cambered surface rectangle lid, in the keycap 1 inboard rectangle key post 11 that extends, the both sides at place, angle are provided with pin type sliver 114 around rectangle key post 11, be provided with flexible reed grab 112 in two plane of symmetry places, grab 112 both sides are provided with and can absorb space, flexible inclined-plane 111, and establish an inclined-plane in grab 112 places of hooking and grab 112 wall places subtract sound skew wall 113 devices, rectangle key post 11 bottoms are provided with key styletable face 115;

Keycap guide bracket 2, one rectangle key post guide groove 21 is arranged, its inboard four sides is a smooth flat 212, provide key post 11 to insert, can cooperate upper and lower slip with the four sides pin type sliver 114 of key post 11, its groove top is provided with half arc chord angle 211, key post 11 is easily imported, cooperate with key post guide groove 21, and unlikelyly adorned, establish turnover wall 213 in a right angle in the guide groove, provide the grab 112 with key post 11 to hook together the location; by mistake grab 112 is provided with and subtracts sound skew wall 113, can reduce impact noise between key post 11 and the key post guide groove 21;

Key panel 3;

Caoutchouc elasticity touches body 4, top cover 41 is a ring, ring extends conical ring 43, and down continues a base ring 44, in key post guide groove 21, the shape ring is like the cap shape, just the end face of its bottom land key styletable face 115 and top cover 41 offsets and closes, and caoutchouc elasticity touches body 4 inside and is provided with convex shake-up body 42, makes to be stressed down on time, contact upper contact 511 with soft silver point circuit board 51,52 and contact turning circuit, produce a pulse wave and reach computer with following contact 512;

Soft silver point wiring board 5, be provided with upper contact 511 and following contact 512, the centre is provided with an isolated sheet 53, establishes a circular hole 54 at upper contact 511 and following contact 512 opposite positions on the isolated sheet 53, can allow upper contact 511 and following contact 512 because of pressing turning circuit, again after the signal input, finger is removed keycap 1, and then this caoutchouc elasticity touches body 4, with the flexible top cover 41 that makes of itself, upwards bounce-back, and then the recurrence of pushing key post 11 end faces resets.

Said elements is " keyboard " of the present utility model element, now with the one-piece construction embodiment after its assembly, be further analyzed and described as follows: the rectangle key post guide groove 21 of inserting keycap guide bracket 2 in keycap 1 inboard extension one rectangle key post 11,21 inboard four sides are smooth flat 212, the pin type sliver 114 that the both sides at place, angle are provided with around the rectangle key post 11 cooperates, lower slider, its groove top is provided with half arc chord angle 211, key post 11 is easily imported and the vivid key post guide groove 21 that closes, unlikelyly adorned by mistake, 11 liang of plane of symmetry places of key post are provided with flexible reed grab 112, grab 112 both sides are provided with and can absorb space, flexible inclined-plane 111, and establish an inclined-plane in grab 112 places of hooking and grab 112 wall places and subtract sound skew wall 113, with establish turnover wall 213 in a right angle in the rectangle key post guide groove 21 and hook together the location, grab 112 is provided with and subtracts sound skew wall 111 and can reduce impact noise between key post 11 and the key post guide groove 21, keycap guide bracket 2 is located on the key panel 3, in the rectangle key post guide groove 21, shape is like the cap shape, just the end face of its bottom land key styletable face 115 and top cover 41 supports and closes, caoutchouc elasticity touches body 4 inside and is provided with convex shake-up body 42, make and be stressed down on time, contact with soft silver point circuit board 5, upper contact 511 passes the circular hole 54 of thermal insulation board 53 to following contact 512 contact turning circuits, produce a pulse wave and reach computer, again after the signal input, finger is removed keycap 1, then this caoutchouc elasticity touches body 5, the flexible top cover 41 that makes of mat itself, upwards bounce-back, and then the recurrence of pushing key post 11 end faces resets.

Take a broad view of above-mentioned dependency structure narration and explanation, learn that the utility model possesses following several advantages:

1. the utility model is a rectangular rectangle with the key post of keycap, cooperates longitudinal key post guide groove, and unlikely generation assembly failure is promoted production quality and efficient.

2. the utility model is provided with pin type sliver with the both sides at place, angle around the rectangle key post, can do to slide up and down with the four sides smooth flat of rectangle key post guide groove inboard and cooperate, because of it only does thin line face contact, all the other guide pillar faces are neither to be contacted with the guide pillar guide groove, and its surface of contact is few, and the keycap steadiness is good, kinetic force of friction reduces, and then reach the operation sense of touch light and handy flexibly and speed quick, and reduce operation wrist power load, reduce keyboard operation person's wrist and injure.

3. its top of the utility model keycap guide bracket is provided with half arc chord angle, the key post is easily imported be engaged in key post guide groove, does not cause the grab end face impaired because of bad insertion combination, also can not produce unnecessary frictional resistance with keycap guide bracket end-face friction in addition.

4. key post of the present utility model is provided with in the grab both sides and absorbs space, flexible inclined-plane, effectively hooks together pulling capacity in flexible reed grab of operating key post and the keycap guide groove, and the key lid is not easy because of shaking or knocking and jump out the outer guide groove of key.

5. what the utility model was established an inclined-plane in the hook place of hooking and grab wall place subtracts sound skew wall device, when caoutchouc elasticity touches the body bounce-back, when bounce is conveyed to the key post, subtracts sound skew wall device and the guide groove straight wall of transferring and do tiltedly to put to contact, unlikely generation is rocked, and becomes other to influence everybody's noise.

6. button of the present utility model is according to the requirement of human body wrist operation mechanics; Design a mild elasticity and touch body, three examines shown in Figure 7ly, is the actuation force elasticity slope variation difference of rubber elastomer, and revising the back slope is θ, less than θ ' before revising, and like this one mild elastic dynamic.

7. the utility model uses the minimum silver tipped contact circuit of resistance coefficient, the compound rubber elastic body, and the conduction that circuit is received is good.

The comprehensive argumentation, the utility model provides a kind of " keyboard ", meets the novelty that utility model application is wanted, creativity and practicality.

The above only is a preferable possible embodiments of the present utility model, and is non-so promptly limit to claim of the present utility model, so the equivalent structure that uses the utility model instructions and graphic content to do such as changes, all in like manner all is contained in the utility model scope.Chen Ming hereby.

Claims (5)

1, a kind of keyboard is characterized in that, comprising:

One keycap at the inboard rectangle key post that extends of keycap, is provided with pin type sliver, two plane of symmetry places are provided with flexible reed grab, the space, inclined-plane is established in the grab both sides, and establishes an inclined-plane in the grab place of hooking and grab wall place and subtract sound skew wall device, and rectangle key column bottom is provided with key styletable face;

One keycap guide bracket has a rectangle key post guide groove, provides the key post to insert, and establishes turnover wall in a right angle in the key post guide groove, provides the grab with the key post to hook together the location, can reduce key post and key post between impact noise;

One caoutchouc elasticity touches body, and top cover extends conical ring, and down continues a base ring, and inside is provided with a convex and touches body, makes to be stressed down on time, contacts with soft silver point circuit board, and upper contact contacts turning circuit with following contact, produces a pulse wave and reaches computer;

One soft silver point wiring board is provided with upper contact line and following contact line, and the centre is provided with an isolated sheet, and isolated sheet is established a circular hole in upper contact and following contact opposite position, can allow upper contact and following contact because of pressing turning circuit;

According to the keyboard of claim 1, it is characterized in that 2, keycap provides contact shape for a cambered surface rectangle lid.

According to the keyboard of claim 1, it is characterized in that 3, the both sides at rectangle key post place, angle around rectangle key post are provided with pin type sliver, make surface of contact reduce to minimum.

According to the keyboard of claim 1, it is characterized in that 4, the inboard four sides of rectangle key post guide groove is a smooth flat, its key post guide groove top is provided with half arc chord angle, and the donating bond post is inserted.

5, according to the keyboard of claim 1, it is characterized in that, be provided with turnover wall in a right angle in the key post guide groove, provide the grab with the key post to hook together the location, grab is provided with and subtracts the sound skew wall, can reduce impact noise.

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