CN208796883U - Press-key structure - Google Patents

Abstract

The utility model has cavity about a kind of press-key structure, including insulating base frame, lid, central spindle and spring, insulating base frame；Cover cap sets insulating base frame, and lid offers the through-hole of corresponding cavity configuration, and block body is equipped in through-hole；Central spindle is operably to wear to connect hole, and it is equipped with spring retention area and forms and pushes part, pushes a side that part is formed in block body；Spring is mounted on spring retention area and follows central spindle mobile, and spring has the elastic arm being crossed on block body；After wherein central spindle is mobile, pushing part will push elastic arm to fall from block body and generates percussion.Whereby, the apparent paragraph sense of tool can be provided to achieve the purpose that promote feel.

Description

Press-key structure

Technical field

The utility model is related a kind of by key technology, espespecially a kind of press-key structure.

Background technique

The starting running of most machinery equipment or electronic product all needs to be controlled by key, passes through pressing keys Begin energy turning circuit, and drives connected machine or electronic product, and then control the function of the machine or electronic product.

Existing key mainly includes mechanical and induction type, and wherein mechanical key has operating handle good, but exists It is complicated there is process and structure, and the oxidation exception of the pressing noise and contact point of disturbing people can be generated and generate failure, therefore can The induction type key for overcoming the problems of mechanical key, is gradually widely used by user.

However, existing induction type key has remained, handfeel of keys is single, to key by sense of touch official is unobvious and volume More huge problem.

Utility model content

The purpose of this utility model is to provide a kind of press-key structure, is to be capable of providing the apparent paragraph sense of tool to reach To the purpose for promoting feel.

In order to reach above-mentioned purpose, the utility model provides a kind of press-key structure, including an insulating base frame, a lid, One central spindle and a spring, the insulating base frame have a cavity；The cover cap sets and connects the insulating base frame, which offers pair Should cavity configuration a through-hole, and in the through hole be equipped with a block body；The central spindle can actively wear and connect the through-hole, the central spindle It equipped with a spring retention area and forms one and pushes part, this pushes a side that part is formed in the block body；The spring is mounted on this Spring retention area and follow the central spindle mobile, which has the elastic arm being crossed on the block body；Wherein the central spindle towards When the lid direction is mobile, this pushes part and the elastic arm will be pushed to fall from the block body and generate percussion.

Wherein, this pushes part and includes a hook part and one push inclined-plane from what the hook part extended upward, this pushes inclined-plane The elastic arm is pushed away the block body.

Wherein, the torque spring have a winding section, from the both ends of the winding section each extend over out one support patch arm and should Elastic arm, the winding section are mounted in the spring retention area, should support the wall surface that patch arm is then resisted against the spring retention area, thus The elastic arm is formed with a pretwist elastic force.

Wherein, one end of the volute spring is extended with a upright bar, which is plugged and fixed in the inside of the central spindle, and the whirlpool Shape spring retention is in the cavity.

It wherein, further include a circuit board, which installs on the board, and the volute spring is by resilient clamp Between the central spindle and the circuit board.

Wherein, which is triangular blocks.

It wherein, further include a lantern ring, which is sleeved and fixed in the outer peripheral edge of the insulating base frame and the lid.

It wherein, further include a circuit board, which is equipped with a capacitive sensing area, opens up at the center in the capacitive sensing area There is a perforation, is set in the perforation with providing an illuminator.

Wherein, a button block has been each extended in one group of corresponding sides of the insulating base frame, has been set respectively in the adjacent side of each button block There is a card slot, is respectively equipped with corresponding each button block in one group of corresponding sides of the lid and does the catching groove that button consolidation is closed, in the catching groove Adjacent side each extends over the hook for doing and being fixed corresponding to each card slot.

Wherein, a guide posts are extended in the through-hole of the block body adjacent side, are equipped in the central spindle and are led for the guide posts Draw a mobile guide channel.

The utility model also have effects that it is following, by the hidden inside for being received in central spindle of spring, so that the volume of press-key structure It can significantly be reduced.Directly inserted by the upright bar of volute spring it is solid can be maintained at the inside of central spindle, pressing central spindle it is straight on Movement under directly, and situations such as will not occur angle different displacement, more will not because of different angle pressing and cause to press Untrue problem.By volute spring in cone setting so that the uniform force of central spindle.

Detailed description of the invention

Fig. 1 is the utility model press-key structure stereogram exploded view.

Fig. 2 is the lid stereo appearance figure of the utility model.

Fig. 3 is the lid, central spindle and spring assembly cross-sectional view of the utility model.

Fig. 4 is the utility model press-key structure combination appearance figure.

Fig. 5 is Fig. 4 assembled sectional view.

Fig. 6 is the utility model press-key structure use state cross-sectional view (one).

Fig. 7 is the utility model press-key structure use state cross-sectional view (two).

Fig. 8 is the utility model press-key structure use state cross-sectional view (three).

Fig. 9 is the utility model press-key structure use state cross-sectional view (four).

In figure:

10 ... insulating base frames；11 ... cavities；12 ... button blocks；13 ... card slots；14 ... columns；20 ... lids；21 ... through-holes； 22 ... block bodies；23 ... guide posts；24 ... catching grooves；25 ... hooks；30 ... central spindles；31 ... spring retention areas；32 ... push part； 321 ... hook parts；322 ... push inclined-plane；33 ... guide channels；40 ... springs；41 ... winding sections；42 ... elastic arms；43 ... support patch arm； 50 ... volute springs；51 ... upright bars；60 ... lantern rings；70 ... circuit boards；71 ... capacitive sensing areas；72 ... perforation；73 ... illuminators.

Specific embodiment

The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art The utility model can be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.

Please refer to shown in Fig. 1 to Fig. 5, the utility model provides a kind of press-key structure, mainly include an insulating base frame 10, One lid 20, a central spindle 30 and a spring 40.

Insulating base frame 10 is in substantially a cuboid, and position offers a cavity 11, the cavity 11 of the present embodiment therebetween It is round for one, but be not limited with such shape, a button block 12 has been each extended in one group of corresponding sides of insulating base frame 10, has separately been existed The insulating base frame 10 of each 12 adjacent side of button block is respectively equipped with a card slot 13；And it is each extended in two diagonal angle of the bottom surface of insulating base frame 10 There is a column 14.

Lid 20 covers the top for setting and being connected to insulating base frame 10, offers a through-hole 21 in the middle position of lid 20, The through-hole 21 of the present embodiment is a rectangular through-hole, but is not limited with such shape, this through-hole 21 corresponds to 11 position of cavity and matches If being extended with a block body 22 in the inner wall of through-hole 21, this block body 22 is in substantially a triangular blocks, but is not with such shape Limit；Separately a guide posts 23 are extended in 21 inner wall of through-hole of 22 adjacent side of block body；And it is set respectively in one group of corresponding sides of lid 20 There is corresponding aforementioned each button block 12 to do the catching groove 24 that button consolidation is closed；Furthermore it each extends in 24 adjacent side of catching groove corresponding to aforementioned Each card slot 13 does the hook 25 being fixed.

Central spindle 30 be operably wear connect hole 21, central spindle 30 a side be equipped with a spring retention area 31, and The side in spring retention area 31 forms one and pushes part 32, and pushes a side that part 32 is formed in aforementioned block body 22, this reality The part 32 that pushes for applying example includes a hook part 321 and one pushes inclined-plane 322 from what hook part 321 extended upward；Separately hold in spring The central spindle 30 for setting 31 adjacent side of area is equipped with a guide channel 33, this guide channel 33 is for guide posts 23 above-mentioned guiding movement.

The spring 40 of the present embodiment is a torque spring, has a winding section 41, prolongs respectively from the both ends of winding section 41 The elastic arm 42 and one stretched supports patch arm 43, and wherein winding section 41 is mounted in spring retention area 31 and follows central spindle 30 Mobile, elastic arm 42 is the top for being crossed on block body 22, is then resisted against (such as Fig. 5 on the wall surface in spring retention area 31 to patch arm 43 It is shown), so that elastic arm 42 be made to be capable of forming a pretwist elastic force.

Further, the press-key structure of the utility model further includes a volute spring 50, be metal material made by, Substantially in a cone, one end of volute spring 50 is extended with a upright bar 51, this upright bar 51 is plugged and fixed in central spindle 30 Portion, and volute spring 50 is accommodated in aforesaid housing compartment 11.

Further, the press-key structure of the utility model further includes a lantern ring 60, is sleeved and fixed in insulating base frame 10 With 20 outer peripheral edge of lid, this lantern ring 60 can be for made by metal material, and is substantially in a hollow, rectangular frame.

Further, the press-key structure of the utility model further includes a circuit board 70, and being laid with copper foil circuit, (figure is not Show) and it is provided with the capacitive sensing area 71 being electrically connected with copper foil circuit, it is opened in the center in capacitive sensing area 71 It equipped with a perforation 72, is installed with providing an illuminator 73, this illuminator 73 can be a light emitting diode (LED), so as to generating back Light effect.

It further illustrates, insulating base frame 10 is plugged on circuit board 70 by its column 14, and volute spring 50 is elasticity It is clamped between central spindle 30 and circuit board 70.

It please refers to shown in Fig. 6 to Fig. 9, a keycap (not shown go out) can be socketed in central spindle 30 when use, at this time elastic arm 42 The recess zone position (as shown in Figure 6) for being crossed on the top of block body 22 and being formed in hook part 321, when by central spindle 30 towards lid 20 When pressing movement is done in direction, amplexiforms in the elastic arm 42 for pushing inclined-plane 322 for pushing part 32, inclined-plane 322 will be pushed step by step (as shown in Figure 7) is elapsed towards the inside of block body 22, elastic arm 42 will be disengaged from block body 22 after continuing pressing, will by pretwist elastic force It enables elastic arm 42 fall and taps hook part 321 and generate paragraph sense (or: sense of inrushing) (as shown in Figure 8), and elastic arm 42 It is located at the recess zone position (as shown in Figure 9) of hook part 321.Conversely, elastic arm 42 will be pushed part 32 after release central spindle 30 Hook part 321 take to the top of block body 22 upward and be crossed on block body 22.

Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.

Claims (10)

1. a kind of press-key structure characterized by comprising

One insulating base frame has a cavity；

One lid, lid set and connect the insulating base frame, which offers a through-hole of corresponding cavity configuration, and in the through-hole Inside it is equipped with a block body；

One central spindle, can activity wear and connect the through-hole, which, which is equipped with a spring retention area and forms one, pushes part, this pushes part It is formed in a side of the block body；And

One spring is mounted on the spring retention area and follows the central spindle mobile, which has the bullet being crossed on the block body Property arm；

When wherein the central spindle is mobile towards the lid direction, this, which pushes part, will push the elastic arm to fall and generate from the block body It taps.

2. press-key structure as described in claim 1, which is characterized in that it includes a hook part and from the hook part towards upper that this, which pushes part, The one of Fang Yanshen pushes inclined-plane, this pushes inclined-plane the elastic arm is pushed away the block body.

3. press-key structure as described in claim 1, which is characterized in that the spring is a torque spring, which has One winding section, from the both ends of the winding section each extend over out one support patch arm and the elastic arm, the winding section be mounted on the spring In accommodating area, patch arm should be supported and be then resisted against the wall surface in the spring retention area, to be formed with a pretwist elastic force in the elastic arm.

4. press-key structure as described in claim 1, which is characterized in that further include a volute spring, one end of the volute spring It is extended with a upright bar, which is plugged and fixed in the inside of the central spindle, and the volute spring is accommodated in the cavity.

5. press-key structure as claimed in claim 4, which is characterized in that further include a circuit board, which is mounted on this On circuit board, and the volute spring by resilient clamp between the central spindle and the circuit board.

6. press-key structure as described in claim 1, which is characterized in that the block body is triangular blocks.

7. press-key structure as described in claim 1, which is characterized in that further include a lantern ring, which is sleeved and fixed exhausted at this The outer peripheral edge of edge pedestal and the lid.

8. press-key structure as described in claim 1, which is characterized in that further include a circuit board, which is equipped with a capacitor Induction zone offers a perforation at the center in the capacitive sensing area, is set in the perforation with providing an illuminator.

9. press-key structure as described in claim 1, which is characterized in that each extended in one group of corresponding sides of the insulating base frame One button block is respectively equipped with a card slot in the adjacent side of each button block, is respectively equipped with corresponding each button in one group of corresponding sides of the lid Block does the catching groove that button consolidation is closed, and the hook for doing and being fixed corresponding to each card slot is each extended in the catching groove adjacent side.

10. press-key structure as described in claim 1, which is characterized in that be extended with one in the through-hole of the block body adjacent side and lead Draw column, a guide channel mobile for guide posts guiding is equipped in the central spindle.