CN208433326U - The press-key structure of paragraph sense can be generated - Google Patents

Abstract

The utility model discloses a kind of press-key structures that can generate paragraph sense, comprising: a shell, a pair of of elastic arm and a sliding shaft core；This is set to shell to elastic arm, this gulps down mouth to being formed between elastic arm；Sliding shaft core definition has axial direction, sliding shaft core is configured in shell and can move relative to shell along axial reciprocating, sliding shaft core is provided with width and is greater than the convex block for gulping down mouthful internal diameter, convex block follows sliding shaft core to move back and forth, it gulps down mouth to be located on the reciprocating action path of convex block, convex block can selectively enter this between elastic arm or exiting this and strut this between elastic arm and all elasticity and generate paragraph sense to elastic arm via mouth is gulped down.Whereby, may achieve when sliding shaft core is moved back and forth relative to shell, it will not be crooked because of the effects of two elastic arms to generate paragraph sense.

Description

The press-key structure of paragraph sense can be generated

Technical field

The utility model is to particularly relate to a kind of press-key structure that can generate paragraph sense about a kind of key.

Background technique

About key, including a shell and it is set to the central spindle that can be moved back and forth in shell and relative to shell.

Existing key, all can be in the one slope block of side projection of central spindle, and in shell in order to generate paragraph sense in pressing One elastic parts of interior setting enables slope block to be abutted when following central spindle mobile by the lateral elasticity of elastic parts and generate section Fall sense.

However, existing key causes central spindle can be because thus due to being all to abut with elastic parts to slope block lateral elasticity One unidirectional force: lateral elasticity abut power and skew of taking advantage of a situation, in turn result in central spindle and had not when being moved back and forth relative to shell Suitable situation, or even be also possible to occur the serious conditions of card key, it is early for This is what people generally disapprove of for a long time.

Therefore, a kind of the utility model that can improve above-mentioned missing how is designed, is wanting to solve by this case creator The big project of one certainly.

Utility model content

The purpose of this utility model is to provide a kind of press-key structures that can generate paragraph sense, sliding shaft core can be made opposite It, will not be crooked because of the effects of two elastic arms to generate paragraph sense when shell moves back and forth.

In order to achieve the above objectives, the utility model provides a kind of press-key structure that can generate paragraph sense, comprising: a shell Body；A pair of of elastic arm is set to the shell, this gulps down mouth to being formed with one between elastic arm；And a sliding shaft core, definition have an axis To the sliding shaft core is configured in the shell and can move relative to the shell along the axial reciprocating, which is provided with Width is greater than this and gulps down a convex block of mouthful internal diameter, which follows the sliding shaft core to move back and forth, this gulps down mouth and is located at the past of the convex block On multiple path of motion, which can gulp down mouth via this and selectively enter this between elastic arm or exiting this between elastic arm and all bullets Property struts this to elastic arm to generate paragraph sense.

Compared to prior art, the utility model has effects that following: by convex block and in the axial direction to convex block Generate elastic force a pair of of elastic arm design, with to convex block generate elastic force two elastic arms gulp down mouth be located at axial direction on, and The source of paragraph sense be can generate elastic force toward each other this to elastic arm, therefore two elastic arms can be made to act on the elastic force of convex block It offsets each other, and then would not also push away askew sliding shaft core without the situation that pressing has some setbacks or elastic reset has some setbacks occurs.

Detailed description of the invention

Fig. 1 is the stereogram exploded view for the press-key structure that the utility model can generate paragraph sense.

Fig. 2 is the three-dimensional combination figure for the press-key structure that the utility model can generate paragraph sense.

Fig. 3 is shown in partial cross-sectional perspective view when omitting upper cover by the utility model according to Fig. 2.

Fig. 4 is the cross-sectional view of the braking elastic component in the utility model.

Fig. 5 is stereogram exploded view of the sliding shaft core after rotating 180 degree in the utility model.

Fig. 6 is that the utility model can generate partial sectional view of the press-key structure of paragraph sense before pressing.

Fig. 7 is that the utility model can generate the press-key structure of paragraph sense in the partial sectional view being pressed into when starting contact.

Fig. 8 is that the utility model can generate the press-key structure of paragraph sense in the broken section being pressed into when generating paragraph sense Figure.

Fig. 9 is that the utility model can generate partial sectional view of the press-key structure of paragraph sense when being pressed into bottom.

Symbol description in attached drawing:

1 shell；11 upper covers；12 pedestals；13 first pivoting portions；14 second pivoting portions；15 limiting slots；2 movable axis Core；21 convex blocks；22 partitions；221 shading pieces；23 first movable parts；24 second movable parts；3 braking elastic components；31 bullets Arm；311 fixed parts；3111 connectors；3112 limit plates；312 constriction contact portions；313 extended segments；32 gulp down mouth；4 One connecting rod；5 second connecting rods；6 elastic components；7 metal plates；8 circuit boards；81 photosensory assembly groups；82 luminescence components；9 keys Cap；D is axial.

Specific embodiment

Detailed description and technology contents in relation to the utility model, cooperation schema is described as follows, however institute's accompanying drawings only mention For reference with illustrate to use, not to limit the utility model.

As shown in Figures 1 to 6, the utility model provides a kind of press-key structure that can generate paragraph sense, with pressing when with And paragraph sense can be generated when elastic reset.The utility model can generate the press-key structure (hereinafter referred to as press-key structure) of paragraph sense Include: a shell 1, a sliding shaft core 2 and a braking elastic component 3, preferably further includes several connecting rods, an elastic component 6, one Metal plate 7, a circuit board 8 and a keycap 9.Wherein, these connecting rods include a pair of of first connecting rod 4 and a second connecting rod 5.

Shell 1 can be single-piece sandwich type element (not shown) or combined shell as shown in the figure, the utility model to this simultaneously Do not limit, be then illustrated by taking combined type as an example in this present embodiment as rear: shell 1 includes 11 He of a upper cover that can cover conjunction each other One pedestal 12.Upper cover 11 has an opening (non-marking component symbol), and several pivot joints are formed between upper cover 11 and pedestal 12 Portion and a limiting slot 15 (as shown in Figure 3), these articulated sections include two first pivoting portions 13 and one second as shown in Figure 3 Articulated section 14.

Braking elastic component 3 includes a pair of of the elastic arm 31 being set in shell 1.Specifically, as shown in figure 4, each elastic arm 31 with a fixed part 311 and are away from a constriction contact portion 312 of fixed part 311, this to elastic arm 31 with each fixed part 311 that This is relatively fixed on pedestal 12, and forms one between this each constriction contact portion 312 to elastic arm 31 and gulp down mouth 32.

Preferably, as shown in figure 4, this is from each fixed part 311 to each constriction contact portion to the spacing between elastic arm 31 312 are presented diminishing state each other, and in constriction contact portion 312 there is maximum elasticity to oppress power, but this is practical new Type does not limit this；In the other embodiments that schema is not painted, this can also be parallel to each other to elastic arm 31, each constriction contact portion 312 be to protrude from this bending part to the relative inner of elastic arm 31 respectively, gulps down mouth to form constriction shape between bending part 32.Each elastic arm 31 can also have the extended segment 313 for being connected to constriction contact portion 312, and this each extended segment to elastic arm 31 It is to form a horn mouth between 313；As for being that also there is a connector 3111 between this each fixed part 311 to elastic arm 31, make Dynamic elasticity part 3 is then fixed on pedestal 12 with connector 3111.

The definition of sliding shaft core 2 has an axial direction D (as shown in Figure 6).Sliding shaft core 2 is configured in shell 1, and will be aforementioned several Connecting rod is movably connected between sliding shaft core 2 and shell 1, in addition flexibly supports elastic component 6 in sliding shaft core 2 and shell 1 Between pedestal 12, so that sliding shaft core 2 can be moved back and forth relative to shell 1 along axial D, and sliding shaft core 2 protrudes from upper cover 11 Opening and be conducive to pressing and 9 (see figure 1) of settable keycap.Specifically, sliding shaft core 2 is provided with several movable parts, These movable parts include one first movable part 23 (see shown in Fig. 3 and Fig. 6) and one second movable part 24 (as shown in Figure 3), accordingly, One section of both of the aforesaid first connecting rod 4 is respectively pivoted to two first pivoting portions 13 of shell 1, and the one of aforementioned second connecting rod 5 Section is articulated in the second pivoting portion 14 of shell 1；As for another section of two first connecting rods 4 then respectively in same first movable part 23 It is relatively movable, and another section of second connecting rod 5 is then in 24 activity of the second movable part.

Sliding shaft core 2 is additionally provided with width greater than the aforementioned convex block 21 (as shown in Figure 6) for gulping down 32 internal diameter of mouth, makes convex block 21 Sliding shaft core 2 can be followed to move back and forth.Gulp down mouth 32 be positioned at convex block 21 reciprocating action path on (as shown in figs. 6 to 9), make Convex block 21 can enter this between elastic arm 31 or exiting this between elastic arm 31 via the selectivity of mouth 32 is gulped down, and entering or exiting When strut this by elasticity paragraph sense generated to elastic arm 31.

The utility model does not limit the shape in 21 section of convex block, as long as the width of convex block 21, which is greater than, gulps down the internal diameter of mouth 32 i.e. Can, the circle that the length (being parallel to axial D) and width (perpendicular to axial D) that may be, for example, the section of convex block 21 are equal to each other, The ellipse, egg type or water chestnut of width (and width is still greater than the internal diameter for gulping down mouth 32) can also be greater than for the length in the section of convex block 21 Shape is then illustrated by taking diamond shape as an example in this present embodiment.

Such as Fig. 6 to Fig. 9 simultaneously arranges in pairs or groups shown in Fig. 4, when press-key structure is in the nature not pressed also (see Fig. 6 institute Show), convex block 21 is not also via between a pair of of the elastic arm 31 for gulping down the entrance braking elastic component 3 of mouth 32.When user starts pressing keys knot Structure and when moving sliding shaft core 2 relative to shell 1 along axial D (as shown in Figure 7), convex block 21 will follow sliding shaft core 2 and court The movement of 32 direction of mouth is gulped down, convex block 21 is made to be contacted with two extended segments 313 of braking elastic component 3.When user's Continued depression is by bond When structure (as shown in Figure 8), the two sides (i.e. the both ends of foregoing width) of convex block 21 will be elastic via each constriction contact portion 312 is contacted This is strutted to elastic arm 31, so generation paragraph sense (entering resistant middle section by unresisted leading portion).When user will be by bond When the sliding shaft core 2 of structure is pressed into bottom (as shown in Figure 9), the two sides of convex block 21 will be detached from the elasticity of each constriction contact portion 312 It oppresses and unresisted back segment is reached by resistant middle section, that is, convex block 21 is allowed to enter this between elastic arm 31.

Conversely, sliding shaft core 2 will be by elastic component 6 and reverse elasticity is multiple when user discharges pressed power Position, make convex block 21 again via gulp down 32 elasticity of mouth strut this elastic arm 31 is generated paragraph sense (by unresisted back segment enter have The middle section of resistance), and then allow convex block 21 to exit this and unresisted leading portion is returned to by resistant middle section between elastic arm 31.

In other words, the utility model press-key structure either presses or elastic reset, can be by convex block 21 and braking Elastic component 3 and generate paragraph sense.

In addition, as shown in figure 3, braking the connection of elastic component 3 to promote stability of the braking elastic component 3 in shell 1 Body 3111, which can also be connected, the limit plate 3112 protruded out by fixed part 311 towards 312 direction of constriction contact portion, and limit plate 3112 is then It is embedded in the aforementioned limiting slot 15 of shell 1 and limits.

Again as shown in Figure 1, shell 1 is set on circuit board 8, circuit board 8 is electrically configured with a photosensory assembly group 81, and shell Metal plate 7 is configured between body 1 and circuit board 8.Convex block 21 preferably protrudes from an outer wall of sliding shaft core 2, sliding shaft core 2 Another outer wall then corresponds to photosensory assembly group 81 and has protruded out a partition 22, with using partition 22 follow sliding shaft core 2 move back and forth and Selectivity is to 81 shading of photosensory assembly group or not shading, so generation push button signalling.Partition 22 preferably can also be arranged a shading Part 221, to promote shaded effect.Circuit board 8 can also electrically be configured with a luminescence component 82, luminescence component 82 can towards shell 1 or It is irradiated again or towards shell 1 and sliding shaft core 2 towards sliding shaft core 2, to have the effect of luminous button.

In conclusion the utility model have effects that compared to prior art it is following: by convex block 21 and have a pair Elastic arm 31 is with the design on axial D to the braking elastic component 3 of the generation elastic force of convex block 21, in addition in pressing and elastic reset Paragraph sense can be generated, moreover it is possible to because the mouth 32 that gulps down of the braking elastic component 3 to generate elastic force to convex block 21 is to be located at axial direction D On, and the source of paragraph sense is a pair of of the elastic arm 31 that can generate elastic force toward each other, therefore two elastic arms 31 can be made to act on The elastic force of convex block 21 offsets each other, so would not also push away askew sliding shaft core 2 without occur pressing have some setbacks or elastic reset not Suitable situation.

In addition, the utility model also have effects that it is other: by convex block 21 and have a pair of of elastic arm 31 on axial D The design that the braking elastic component 3 of elastic force is generated to convex block 21 generates section between elastic arm 31 when convex block 21 enters or exits this When falling sense, since this can't mutually hit elastic arm 31, will not bump-knob 21, therefore pressing when or when elastic reset Will not all the sound be issued and have mute effect.

The above, the only preferable possible embodiments of the utility model not thereby limit to the utility model The scope of the patents, the equivalent structure variation done such as with the utility model specification and schema content, reason is same is contained in this In the interest field of utility model, Chen Ming is given in conjunction.

Claims (10)

1. a kind of press-key structure that can generate paragraph sense characterized by comprising

One shell；

A pair of of elastic arm is set to the shell, this gulps down mouth to being formed with one between elastic arm；And

One sliding shaft core, definition have one axial, which is configured in the shell and past along the axial direction relative to the shell Multiple mobile, which is provided with width and gulps down a convex block of mouthful internal diameter greater than this, which follows the sliding shaft core back and forth to move Dynamic, this gulps down mouth and is located on the reciprocating action path of the convex block, the convex block via this gulp down mouth selectively enter this between elastic arm or Exit this between elastic arm and all elasticity struts this to elastic arm generates paragraph sense.

2. the press-key structure of paragraph sense can be generated as described in claim 1, which is characterized in that wherein each elastic arm has one Fixed part and the constriction contact portion for being away from the fixed part, this is fixed on the shell to elastic arm with the respectively fixed part relative to one another Body, this gulps down mouth and is formed between the respectively constriction contact portion, and respectively to strut this right for the constriction contact portion and elasticity via contact for the convex block Elastic arm.

3. the press-key structure of paragraph sense can be generated as claimed in claim 2, which is characterized in that wherein this is between elastic arm Away from being gradually reduced each other from the respectively fixed part to the respectively constriction contact portion.

4. the press-key structure of paragraph sense can be generated as claimed in claim 2 or claim 3, which is characterized in that wherein each elastic arm is also A horn mouth is formed with the extended segment for being connected to the constriction contact portion, and between the respectively extended segment to elastic arm.

5. the press-key structure of paragraph sense can be generated as claimed in claim 2 or claim 3, which is characterized in that wherein this is to each of elastic arm Also there is a connector, this is fixed on the shell to elastic arm with the connector between the fixed part.

6. the press-key structure of paragraph sense can be generated as claimed in claim 5, which is characterized in that wherein the connector is also connected and has The limit plate protruded out by the fixed part towards the constriction contact portion direction, the limit plate are embedded in the shell and limit.

7. the press-key structure of paragraph sense can be generated as described in claim 1, which is characterized in that wherein the convex block has along this The length of an axial length and the width perpendicular to the axial direction, the convex block is greater than the width, and the section of the convex block is Form one of shape of diamond shape, ellipse or egg type.

8. the press-key structure of paragraph sense can be generated as described in claim 1, which is characterized in that further include several connecting rods and a bullet Property part, several connecting rods are movably connected between the sliding shaft core and the shell, which then flexibly supports in the movable axis Between core and the shell.

9. the press-key structure of paragraph sense can be generated as claimed in claim 8, which is characterized in that wherein the shell includes and covers each other The upper cover closed and a pedestal, are formed with several articulated sections, respectively the one of the connecting rod section is pivotally connected respectively between the upper cover and the pedestal In the respectively articulated section.

10. the press-key structure of paragraph sense can be generated as claimed in claim 9, which is characterized in that wherein the sliding shaft core has Several movable parts, respectively another section of the connecting rod is respectively in the activity of the respectively movable part.