EP3794623A1 - Tastenmodul - Google Patents
TastenmodulInfo
- Publication number
- EP3794623A1 EP3794623A1 EP19724194.6A EP19724194A EP3794623A1 EP 3794623 A1 EP3794623 A1 EP 3794623A1 EP 19724194 A EP19724194 A EP 19724194A EP 3794623 A1 EP3794623 A1 EP 3794623A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- lug
- housing
- key module
- movement axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- 239000000523 sample Substances 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
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- 229910000679 solder Inorganic materials 0.000 description 2
- 241001070941 Castanea Species 0.000 description 1
- 235000014036 Castanea Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000000418 atomic force spectrum Methods 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
- H01H13/28—Snap-action arrangements depending upon deformation of elastic members using compression or extension of coil springs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/84—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/86—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the casing, e.g. sealed casings or casings reducible in size
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/03—Sound
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2217/00—Facilitation of operation; Human engineering
- H01H2217/024—Profile on actuator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/024—Transmission element
- H01H2221/026—Guiding or lubricating nylon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/036—Return force
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/036—Return force
- H01H2221/044—Elastic part on actuator or casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/05—Force concentrator; Actuating dimple
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/058—Actuators to avoid tilting or skewing of contact area or actuator
Definitions
- the present invention relates to a key module according to the
- the key module may be used in a computer keyboard, for example.
- key modules which can also be referred to as a key module
- a "clicking" variant on the basis of the two-part plunger is further realized in order to output a reference to an actuated button to a user of the button module.
- the clicking sound is realized by means of an additional mechanism.
- an electrical switching operation is decoupled from the operation of generating the click sound and thus does not occur synchronously with the generation of the click sound.
- LED illumination is unilaterally designed on most known key modules, providing even illumination to the user of the key module
- Liquids caused damage are specifically the electrical rear derailleur and a guide of the ram.
- there is often a need for different key modules on the part of the user for example with a linear force curve during actuation, with a pressure point for actuation, with a clicking sound when actuated and with different force-displacement profiles.
- such a variety requires for the key manufacturer an enormous vorzuhaltende variant variety of key modules, which are usually on a different production and thus cost-intensive to produce.
- the leadership of the plunger in the operation of such a key module which is the Tilting risk of the button increases.
- the present invention provides an improved
- an actuating element having a driving lug, wherein the actuating element along a movement axis movable in a
- Housing element is mounted
- a contactor unit having a contact nose movable in the direction of the movement axis and transversely to the direction of the movement axis;
- a contact element which is designed and arranged for electrical contact closure with the contact nose
- the housing element for receiving the contact element
- the actuating element and / or the driving lug has at least one construction element which is designed to deflect the contact nose from a rest position adjacent to the contact element in the direction along and / or transversely to the movement axis during a defined movement of the actuating element, then release suddenly, so that the movable contact nose returns to the rest position, abuts the contact element and / or the housing element, wherein an electrical contact with the contact element and an acoustic noise is generated.
- a plunger Under an actuator, for example, a plunger can be understood.
- the driving lug can be understood, for example, as a projection of the actuating element, which engages with a movement in the direction of the movement axis, a further element such as the contact nose, deflects and / or this entrains.
- a movement axis can be understood to mean an axis along which the actuating element is moved or is movable relative to the housing element.
- a contact element may be understood to be an element which at least partially consists of an electrically conductive material and is fixed, for example, at a predetermined position in the housing element. Under the housing element, for example, a bottom element for receiving the contactor unit, the contact element and the
- Actuating element can be understood, wherein the housing element may also further comprise a cover member as a further portion to encapsulate said components.
- a contactor unit can be understood to mean an element which has a contact nose which can move in different directions, wherein the contact nose can be understood as a region of the contactor unit in which an electrical contact with a contact element is made
- the contact element may, for example, serve as a counterpart to the contactor unit in order to close an electrical contact in the form of a switch.
- a construction element for example, a guide surface, a strut, a contour of the driving lug (in particular on its outer surface) or surface on the driving lug can be understood, which is designed to deflect the contact lug in a direction along and / or transversely to the movement axis, if the contact nose is guided during a movement of the actuating element along the movement axis, for example, is carried along by the driving lug and on the
- the housing element can have a cover element as a partial section, guided and / or supported by the actuating element. Also, the housing member for receiving the contact element, the
- the actuating element and / or the driving lug can have a design element oriented obliquely to the direction of movement or a guide surface which is designed to bring the contact lug out of a rest position
- the approach presented here is based on the recognition that by using the driving lug on the actuating element during a movement of the
- Contactor unit which is designed to be the most agile, taken along and is guided along or around the construction element until the contact nose is laterally extended by the sliding along the construction element so that it slides laterally past the driving lug and thereby
- the Kontru irritationselement may be formed to guide the contact lug upon depression of the actuating element around the driving lug around. Under such a lead around, for example, it can be understood that the contact nose at the time of this Umumdess has the greatest distance from the axis of movement. In this way it is very easy and to a defined
- the housing element has a Wegbegrenzungselement to limit a path of movement of the contact nose in the direction of the axis of movement.
- a path of movement of the contact nose can be limited by providing the Wegbegrenzungselements, so that, for example, too strong clamping the
- the driving lug and / or the Kontrukomselement has at least one with respect to the orientation of the movement axis inclined guide surface, in particular wherein the guide surface in the direction of movement of the drive lug from a Urspungslage is preceded by.
- the contactor unit may be formed, the contact nose after a deflection of the structural element to the at least one portion of the
- Such an embodiment offers on the one hand the advantage of the formation of a defined surface for the lowest possible force and low friction deflection of the contact nose and on the other hand the provision of a stop surface on the housing element or cover element, on the one hand
- the contactor unit at least partially has a U-shaped section, in particular wherein the contact nose is arranged at one end of the U-shaped portion of the contactor unit and / or wherein a U-shape of the
- Contactor unit is formed in a plane which is aligned substantially perpendicular to the axis of movement.
- the contactor unit has corresponding desired mobility in different directions of movement.
- the contactor unit as appropriate
- Movement axis is effected, which is designed uniquely repeatable and provides a sufficient snap path for the contact nose to generate the click sound for the user clearly perceptible.
- Contact nose has a stop portion which is adapted to the
- the section may have a surface which are substantially parallel to at least a portion of the
- Housing element or to the cover element or a part of the cover element is aligned and / or wherein the stopper portion is formed by an angled portion of the contactor unit or the contact nose and / or wherein the knock-off portion of a greater length to at least a portion of the housing element or the cover element having aligned surface as a thickness.
- the return movement of the actuating element along the axis of movement should be possible unhindered or only with little hindrance.
- an embodiment of the approach proposed here is particularly advantageous, in which the driving lug of the actuating element has at least one reset surface portion having a surface which is obliquely aligned with respect to the direction of the movement axis, in particular wherein the reset surface portion is formed in order to reset the
- Actuator once again to generate a clicking sound, in this case, for example, when the contact nose lifted from the contact element and after moving around the driving lug back to the contact element
- the contactor unit in the region of the contact nose may have a surface section whose surface is oblique to the direction of the movement axis
- Cover element in the region of an opening through which the actuating element is guided, a cover edge with a surface oblique to the direction of
- the cover flank can be arranged circumferentially around the opening in the at least one section of the housing element or in the cover element.
- Such an embodiment offers the advantage of a particularly tight closure between the at least one section of the housing element or the cover element and the actuating element, in particular for avoiding the entry of liquids into the key module.
- Sealing element is provided, which is arranged between the at least one portion of the housing element or cover element and the housing or bottom element, in particular wherein the sealing element in a groove of the at least one portion of the housing element or the cover element and / or a groove of the housing element or Floor element is arranged or pressed.
- a capillary effect can be used to prevent the penetration of the liquid into the key module.
- Labyrinth seal is formed. This can be done with a small
- the at least one section of the housing element or the cover element may comprise at least one light guide element, in particular wherein the light guide element is at least partially annularly formed around a region in which the light guide element
- Actuating element is guided by at least a portion of the housing element or the cover element.
- Such an embodiment offers the advantage of a particularly good illumination possibility of a button on the key module to be inserted key cap, so that the user can quickly grasp the meaning of the symbols on the key cap, clearly and reliably.
- the actuating element in a passage region in which it protrudes through the at least a portion of the housing element or the lid member having a cylindrical Tastkappenimiabrough and at one of the
- Tastkappen as an outer side at least one rib and wherein the housing or bottom element for receiving the guide portion of the actuating element has at least one receiving cup with at least one recess for receiving the rib of the actuating element.
- Guide section an at least partially hollow cylindrical shaped portion in particular wherein at least one rib is formed on one outer side of the hollow-cylindrical shaped section and / or wherein one
- Guide stamp of the housing element engages in the hollow cylindrical section of the guide portion of the actuating element.
- a key module according to another can be particularly quiet
- Embodiment be configured in that a shock absorber element is provided, which is arranged between the actuating element and the housing element, in particular wherein the shock absorber element is cylindrical or annular.
- a shock absorber element is provided, which is arranged between the actuating element and the housing element, in particular wherein the shock absorber element is cylindrical or annular.
- Figure 1 is an exploded view of a key module according to a
- Figure 2 is a cross-sectional view of a module variant of a key module 100 with linear force-displacement curve
- Figure 3 is a cross-sectional view of another embodiment of the present invention as a key module
- Figure 4 shows a cross-sectional view of another embodiment of the present invention as a key module
- Figure 5 is a cross-sectional view of a key module according to a
- FIG. 6 is a cross-sectional view of that shown in FIG.
- Embodiment of the present invention as a key module
- Figure 7 is a cross-sectional view of dargestellen in Figure 6
- Embodiment of the present invention as a key module
- Figure 8 is a cross-sectional view of dargestellen in Figure 7
- FIG. 9 is a plan view of an embodiment of the present invention as a key module
- Figure 10 is a side view of an embodiment of the present invention as a key module in assembled form
- Figure 11 is a sectional view through the key module according to the section A-A from the illustration of Figure 10;
- Figure 12 is a sectional view through the key module corresponding to the section B-B from the illustration of Figure 10;
- Figure 13 is a perspective view of the lid member with the integrated therein
- Figure 14 is a perspective view of the plunger for use in a
- Figure 15 is a perspective view of a housing element
- Figure 16 is a side view of a key module, which on a circuit board
- Figure 17 is a side view of another button module, which was also installed on a circuit board.
- Figure 18 is a perspective view of a key module on the
- the key module or the key module 100 can be constructed as a modular construction kit and essentially comprises the components plunger 105, cover element 110,
- Contactor unit 115, contact element 120, compression spring 125 and housing unit 130 (which may be synonymously referred to as a housing element, floor element or ground unit, wherein in the following description as
- the plunger 105 (which may also be synonymously referred to as an actuator) comprises a
- Mitschase 135 which, as will be explained in more detail in the following description, a contact nose 140 of the contactor unit 115 and can deflect out of a rest position.
- the contactor unit 115 is presently designed as a U-shaped metal element and thus electrically conductive.
- the contact nose 140 is arranged in one end of the contactor unit 115 and, in addition to a contacting tip 145, via which an electrical contact of the
- Contactor unit 115 can be closed with the contact element 120, even more components, which will be described in more detail below.
- the key module 100 illustrated in FIG. 1 comprises a sealing element 150, which is placed on the housing unit 130 and thus a fluid-tight closure or inclusion of the contactor unit 115, the lower part of the plunger 105, in particular the driving lug 135
- the sealing element 150 may for example be designed circumferentially and / or have a triangular cross-sectional profile to intervene, for example, in a not shown in the figure 1 groove in the cover member 110 and thereby cause the best possible sealing effect.
- the compression spring 115 is in the embodiment shown in the figure 1 as a spiral
- Coil spring for example made of metal, designed; However, it is also conceivable to use an alternative spring element such as a plastic spring or a fluid-filled pad to reset the plunger 115 after depressing back to its original position.
- the key module 100 can be implemented cost-effectively in three variants.
- the driving lug on the tappet 105 which is also referred to here as a driving lug 135, and partly a
- the plunger 105 further has a cylindrical Tastkappen basicallyabêt 160 (on which a not-shown in the figure 1 symbol-bearing key cap is clipped) in a passage area in which it protrudes through the cover member 110.
- the plunger 105 has at least one rib 170 on an outer side 167 on a guide section 165 adjoining the contact cap carrier section 160.
- a wall thickness of the wing or wings 170 may amount to at most half, advantageously not more than one third, of a diameter of the cylindrical contact-cap carrier section 160.
- Guide portion 165 may be formed as a hollow cylindrical portion 180, on the outer sides 167 of the wing or 170 are arranged.
- a guide punch engages in the receiving cup 175, so that the guide section 165 can be guided very robustly when the plunger 105 is moved or pressed down.
- Recess (s) of the receiving cup 175 engage and thus ensure on the one hand a movement of the plunger 105 in the direction of movement during depression as well as on the other hand a guide against rotation.
- Flier notebook can be a very tilting operation of the plunger 105 of
- FIG. 2 shows a cross-sectional view of a module variant of a key module 100 with linear force-displacement curve.
- the force-displacement curve can be arbitrarily realized by adaptation or selection of a suitable compression spring 125. From the figure 2 it is further apparent that the plunger 105 in the direction of a
- Moving axis 200 with respect to the housing member 130 can move. This movement can be done, for example, by depressing the plunger 105, wherein after a keystroke on the plunger 105 by the restoring force of the compression spring 125, the plunger is returned to its initial position or rest position shown in FIG.
- Passage region 210 in which it is passed through an opening 215 of the lid member 110, a plunger edge 220 having a surface which is aligned obliquely to the movement axis 200.
- this also indicates
- a cover edge 225 which includes a surface which is aligned obliquely to the movement axis 200.
- the surface of the plunger flank 220 and the surface of the cover flank 225 may be aligned substantially parallel and unfold a sealing effect in the rest position of the key module 100 shown in FIG. 2 in order to prevent ingress of liquids into an interior region of the key module 100 as effectively as possible.
- the keys 100 comprises a shock absorber element 230 which is, for example, mounted or inserted on a guide punch 235 of the housing element 130 and which cushions a striking of the plunger 105 on this part of the housing element 130. This way you can have a shock absorber element 230 which is, for example, mounted or inserted on a guide punch 235 of the housing element 130 and which cushions a striking of the plunger 105 on this part of the housing element 130. This way you can have a shock absorber element 230 which is, for example, mounted or inserted on a guide punch 235 of the housing element 130 and which cushions a striking of
- shock absorber element 230 which is cut off from a round bar stock and into which
- Guide punch 230 is used, since such an embodiment can be produced very inexpensively.
- FIG. 3 shows a cross-sectional representation of a further exemplary embodiment of the present invention as a key module 100, wherein in this exemplary embodiment a solution is used to implement a pressure point.
- a tactile sense of exceeding a certain path length of the plunger when depressing by the user of the key module 100 done.
- This tactile sensing can be realized, for example, in that the
- Mit #2ase 135 has a projection in the direction of the contact lug 140, and thus when depressing the plunger, an increased low pressure by the user of the key module is spent when the contact lug 140 to slide around the driving lug 135 around. This increased low pressure is felt by the user of the key module 100 and recognizes this a certain distance by which the plunger 105 has already been depressed.
- Figure 4 shows a cross-sectional view of another embodiment of the present invention as a key module 100, in which a solution to
- Button module 100 will be described in more detail below using the exemplary embodiment illustrated in FIG. 4, wherein it is obvious that the exemplary embodiments illustrated in FIGS.
- Contactor unit 115 as here the Kotnaktnase 140 three-dimensionally deflected (operated) can be.
- the contactor unit 115 is installed in a biased state in the switching module or the key module 100 so that
- gold crosspoint contacts of the contactor unit 115 (the
- Construction element 400 having, for example, as a contour with a with respect to the movement axis 200 obliquely oriented guide surface 410.
- Flier notebook is at a depression of the actuating element 105 the
- Wegbegrenzungselement 430 are limited, which is formed for example by a part of the Geotrosueiatas 130. This way, on the one hand
- Movement axis 200 is released (more specifically, as long as the driving lug 135 does not block a path transverse to the movement axis 200).
- An actuator of the Betäg Trentselementse 105 can thus be tactilely signaled that the deflection of the contact lug 140 has occurred.
- Figure 5 shows a cross-sectional view of a key module 100 according to an embodiment of the approach presented here, in which now the contact lug 140 by the Wegbegrenzungselement 430 at a further movement in
- Direction of the movement axis 200 is limited and thus deflected in a maximum deflection with respect to the movement axis 200. This means that the distance of the contact lug 140 to the movement axis 200 in this position is the largest. In this position shown in FIG. 5, the contact nose 140 of the contactor unit 115 is deflected transversely to the direction of movement by the catch nose 135 or the guide face 410.
- a surface portion 500 of the contact lug 140 may be provided, which is aligned obliquely to the direction of the movement axis 200. Specifically, the surface of the surface portion 500 may be maximally aligned at an acute angle to the movement axis 200, with a particularly small
- Reset surface section is aligned.
- FIG. 6 shows a cross-sectional view of the embodiment of the present invention shown in FIG. 5 as a key module 100, in which the contact lug 140 is now at a point of maximum deflection transversely to FIG
- Movement axis 200 is deflected and disengages in a further depression of the Betätiguns institutes 105. From the point at which the contact lug 140 disengages, the contactor unit 115 or the contact lug 140 is again free and can be displaced both in the vertical (ie in a longitudinal direction of the movement axis 200) and in the horizontal direction in FIG. 5 (ie in FIG a direction transverse to the axis of movement 200), in the original position or
- the cover element 110 has a stop wall 600 against which a stop section 610 of the Kotnaktnase 140 strikes to show a clicking sound, as will be described in more detail below.
- FIG. 7 shows a cross-sectional view of that shown in FIG.
- Embodiment of the present invention as a key module 100, wherein now the contact lug 140 after disengagement to the stop wall 600 of
- Cover element 110 abuts and thereby generates a clicking sound. Since, however, according to the exemplary embodiment presented here, the (mechanical) rigidity of the contactor unit 115 in the vertical direction was designed to be significantly higher than in the horizontal direction, the contact lug 140 of FIG.
- Stopper portion 610 is designated) against the stop wall 600 of
- the stopper portion 610 may, for example, have a surface that is aligned substantially parallel to the lid member 110 and the stopper wall 600 of the lid member 110, respectively. Also, the abutment portion 610 may be formed by an angled portion of the contactor unit 110 and the contact nose 140 and, alternatively or additionally, a greater length to the
- Cover member 110 have aligned surface as a thickness. After the abutment of the contactor unit or the contact lug 140 on the cover element 110 or the abutment wall 610, the contactor unit 110 or the contact lug 140 moves in the horizontal plane, ie towards the plunger 105 or the contact element 120 and the electrical contact is closed with a predefined force.
- a reset surface portion 700 can be seen on one side of the driving lug 135, which after releasing the plunger 105 and the actuating element 105 with the cooperation of the spring 125 at a
- Figure 8 shows a cross-sectional view of dargestellen in Figure 6
- Embodiment of the present invention as a key module 100, wherein now the contact nose 140 has now been performed again after the attacks on the lid member 110 in the rest position and thus an electrical contact between the
- Figure 8 thus shows a cross-sectional view of dargestellen in the Figure 7 embodiment of the present invention as a key module 100, wherein now the contact lug 140 has slid after the attacks on the stopper portion 610 on the stop wall 600 and transferred to the rest position.
- Compression spring 125 the provision of the plunger 105 is in an original position.
- the contactor unit 115 or the contact lug 140 by a reset surface portion 700 of the driving lug 135, which serves as a slope of the Plunger 105 in the right direction of the figure 7, that is deflected horizontally or transversely to the direction of the movement axis 200.
- the contact lug 140 slides over the driving lug or the driving lug 135, striking again, but on the plunger 105 and generates a second clicking sound, which, for example, by interpretation of the geometry of the construction element 400 (in particular the shearing of the surfaces of the driving lug 135) less intense can be, as the first click sound.
- the sound and the intensity of the clicking sound can be arbitrarily set by the deflection path, material properties of the contact tanner unit 115, distance to the stop surface 610, rigidity and weight of the contactor unit or contact nose 140.
- the lower guide i. h., A Fecuringugns adopted in the region of the housing member 130 as narrow as possible (for example, about 1 mm) and the upper guide, d. h., A politiciansseinhraum in the region of the cover member 110 and the plunger 105, as wide as possible (to a certain extent) are designed.
- FIG. 9 shows a top view of an exemplary embodiment of the present invention as a key module 100, wherein FIG. 9 shows a plan view of an open housing element 130, but with the cover element 110 clipped in, but with the cover element inserted Plunger 105 represents. Visible is next to the housing member 130 nor the contact element 120, the contactor unit 115 including contact lug 140 and contact tip 145, the Anschlagabschnit 610, the baffle 400, the sealing element 150 and the shock absorber element 230. Furthermore, is still the
- Figure 10 shows a side view of an embodiment of the present invention as a key module 100 in assembled form, i. h., with
- the key module 100 is here in the depressed state, ie actuated
- FIG. 11 shows a sectional view through the key module 100 corresponding to the section AA from the illustration according to FIG. 10. Since the wings 170 are placed on a stable cylinder sleeve or the outside 167 of the guide section 165 of the plunger 105, which are arranged in at least one (or more recesses 1100 the receiving cup 175 of the housing member 130 engage, is the
- the security against rotation of the plunger 105 is realized by the cross guide of engaging in the recesses 1100 wing 170.
- the lower guide was thus designed in the guide portion 165 in the housing member 130 as recesses 1100 for ribs (which may also be referred to as fins 170) of the plunger 105, which are specially designed cross-shaped and provided, for example, with a leaf width of about 1 mm.
- the guide of the plunger 105 in this case takes place on the side surfaces of the crosswise arranged wings 170 in the recesses 1100 of this guide section 165.
- the guide widths equal to the thickness of the crosswise arranged wings 170, so for example about 1 mm.
- FIG. 12 shows a sectional view through the key module 100 corresponding to the section BB from the illustration according to FIG. 10.
- the plunger 105 can still be seen, wherein furthermore the probe cap support ribs 900 are shown in the shape of crosswise arranged ribs on which a plunger 105 is shown the figure 12, not shown keycap can be plugged.
- a light guide element 1210 of the cover element 110 can still be seen, which is arranged at least partially annularly around an opening 215, through which the plunger 105 is passed.
- This light guide 1210 serves to improve the illumination of the key cap.
- the light-guiding element 1210 is guided in such a way that it protrudes from the cover element 110 (for example, as shown in FIG. 12 out of the plane of the drawing) and is formed from a transparent material.
- Lichtleitelement 1210 protrude on the opposite side of the light source through the cover member 110 through and be transparent ausgestalte, so that on the back of the lid member 110 shown in Figure 12 also the light guide 1210 as at least partially round, about the plunger 105 around round designed light guide 1210 is integrated inexpensively in order to radiate light as evenly as possible on a key cap which is clipped onto the plunger 105.
- the lid member 110th the light guide 1210 as at least partially round, about the plunger 105 around round designed light guide 1210 is integrated inexpensively in order to radiate light as evenly as possible on a key cap which is clipped onto the plunger 105.
- FIG. 13 shows a perspective view of the cover element 110 with the light guide element 1210 integrated therein.
- the uniform emission of the light can occur at different areas of the cover element 110 by the introduction of reflective structures or surfaces with different diffusion values on / in the light guide element 1210 or different positions of
- Figure 14 shows a perspective view of the plunger 105 with the wings 1100, the driving lug 135, the reset surface portion 700 and the
- the conical annular stop fancy By the interface between the cover member 110 with the lid flank 225 and the plunger 105 with the plunger edge 220, the conical annular stop fancy, a relatively good positive sealing of the key module 100, at least in the unactuated state, ensured.
- the upper guide is designed with the cylindrical hole as a hole, so a cylindrical
- the robustness of the key module 100 is significantly improved, for example, by introducing a labyrinth seal as a sealing element 150 between the cover element 110 and the housing element 130 acting as a base.
- the labyrinth seal as a sealing element 150 protects the entire switching mechanism, ie the contactor unit 115 and the contact element 120, and the components for guiding the plunger 105, as already described with reference to FIGS. 1 and 9, against ingress of liquids, like water or sugary drinks and dust in harmful amounts.
- the aqueous liquids are characterized by capillary action in the Labyrintdichtung stopped as a sealing element 150 so that they do not penetrate into the action module 100.
- the keyboards have reduced noise.
- MX-Silent modules of the Applicant a complex two-component technology is used. This soft damping elements are at certain points
- a key module 100 is presented in which this problem is provided by, for example, an additional mounting of a rubber profile as a shock absorber element 230 (for example in a round, quardatic, etc ... shape) as a damping element in the centering pin as a guide punch 235
- FIG. 15 shows a perspective view of a housing element 130 with the sealing element 150, the shock absorber element 230, the guide punch 235 and other components mentioned above.
- the shock absorber element 230 may be formed as a rubber damper and, for example prefabricated as an endless profile and cut to the desired length and in the
- Shock absorber member 230 as a disc or ring in the guide punch 235 between plunger 105 and housing member 130 are installed. This
- the approach has several advantages, for example, can be installed as needed and there are no additional tools needed. Also, a wide variety of material is available for the shock absorber element 230, and there are only low overall costs for the projection of such an optional shock absorber element 230. Further, an interior view of the housing member 130 with the receiving cup 175 and arranged in the receiving cup 175 recesses 1100 can be seen, these recesses 1100 are provided here as complete lateral slot-shaped openings in the receiving cup 175.
- FIG. 16 shows a side view of a key module 100 which is installed on a printed circuit board 1600, as can be used, for example, as a circuit board for a tactile feature.
- FIG. 17 shows a side view of another key module 100, which was likewise installed on a printed circuit board 1600, wherein the key module 100 was further inserted through a further printed circuit board as a mounting frame 1700 or held by this mounting frame 1700 during production.
- the mounting frame 170 may be used as a holding circuit board to provide stable alignment of the key module 100 during operation
- the mounting frame 1700 may be arranged at a small distance above the circuit board 1600.
- a reduced overall height of the action modules 100 makes the mounting of often required electronic components (for example on SMD basis) on the upper side of a printed circuit board as a carrier of the truth module 100, in particular in connection with a frame assembly difficult or impossible.
- An assembly of the required components on the underside of such a circuit board is also problematic because certain components should be attached directly to the action modules 100. This results in considerable difficulties in the subsequent key module soldering process (especially when using a
- Key module 100 may be provided on the top of the circuit board Figure 18 shows a perspective view of a key module 100 on the
- Housing element 130 Can be detected, the electronic components 1800 of
- Button module 100 which are protected by the housing member 130 of the key module 100 mechanically and against electrical discharges.
- a subsequent soldering process can be designed inexpensively, since no components on the
- the key module 100 can be placed directly on the mounting frame 1700, as can be seen from the Darssannon of Figure 16 or held by means of additional mounting frame 1700, as can be seen from the Figure 17. In both cases, a
- an exemplary embodiment comprises a "and / or" link between a first feature and a second feature
- this can be read so that the embodiment according to one embodiment, both the first feature and the second feature and according to another embodiment, either only the first Feature or only the second feature.
Landscapes
- Push-Button Switches (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018111707.8A DE102018111707A1 (de) | 2018-05-16 | 2018-05-16 | Tastenmodul |
PCT/EP2019/062283 WO2019219643A1 (de) | 2018-05-16 | 2019-05-14 | Tastenmodul |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3794623A1 true EP3794623A1 (de) | 2021-03-24 |
EP3794623B1 EP3794623B1 (de) | 2023-03-01 |
Family
ID=66542272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19724194.6A Active EP3794623B1 (de) | 2018-05-16 | 2019-05-14 | Tastenmodul |
Country Status (5)
Country | Link |
---|---|
US (1) | US11380496B2 (de) |
EP (1) | EP3794623B1 (de) |
CN (1) | CN112106163B (de) |
DE (1) | DE102018111707A1 (de) |
WO (1) | WO2019219643A1 (de) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8818351D0 (en) | 1988-08-02 | 1988-09-07 | Acer Inc | Keyboard switch |
CN204905117U (zh) | 2015-08-13 | 2015-12-23 | 惠州冠泰电子有限公司 | 一种带有响声的按键弹起结构 |
TWI603357B (zh) * | 2016-02-02 | 2017-10-21 | 達方電子股份有限公司 | 發光按鍵結構 |
TWI607476B (zh) | 2016-02-03 | 2017-12-01 | 達方電子股份有限公司 | 按鍵結構 |
DE102017106406A1 (de) * | 2017-03-24 | 2018-09-27 | Cherry Gmbh | Tastenmodul |
TW201837943A (zh) * | 2017-03-31 | 2018-10-16 | 致伸科技股份有限公司 | 鍵盤裝置及其按鍵結構 |
TW201901721A (zh) * | 2017-05-12 | 2019-01-01 | 致伸科技股份有限公司 | 鍵盤裝置 |
TW201916082A (zh) * | 2017-09-15 | 2019-04-16 | 致伸科技股份有限公司 | 按鍵結構 |
-
2018
- 2018-05-16 DE DE102018111707.8A patent/DE102018111707A1/de active Pending
-
2019
- 2019-05-14 CN CN201980029363.9A patent/CN112106163B/zh active Active
- 2019-05-14 US US17/048,207 patent/US11380496B2/en active Active
- 2019-05-14 EP EP19724194.6A patent/EP3794623B1/de active Active
- 2019-05-14 WO PCT/EP2019/062283 patent/WO2019219643A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
EP3794623B1 (de) | 2023-03-01 |
WO2019219643A1 (de) | 2019-11-21 |
US20210175027A1 (en) | 2021-06-10 |
CN112106163B (zh) | 2023-04-07 |
US11380496B2 (en) | 2022-07-05 |
DE102018111707A1 (de) | 2019-11-21 |
CN112106163A (zh) | 2020-12-18 |
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