CN216624062U - Key assembly and key panel - Google Patents

Abstract

The utility model relates to the technical field of keys, and particularly discloses a key assembly and a key panel, wherein the key assembly comprises a substrate, and at least one key is arranged on the substrate; the key comprises a cavity part positioned in the substrate, the upper end of the cavity part is provided with an elastic part, and the upper end of the elastic part is provided with a pressing part; the elastic part and the pressing part form a reversed bowl-shaped structure, the elastic part is in a hollow cylindrical shape, the pressing part is in a disc shape, and the thickness of the pressing part is larger than that of the elastic part; according to the key assembly and the key panel provided by the utility model, the elastic part and the pressing part of the key are designed into the inverted bowl-shaped structure, so that the key function can be realized without using large force, the pressing hand feeling is better due to unique key force change, the key force and the pressing hand feeling can be effectively improved, and the problems of poor key resilience effect and poor key force and hand feeling of a common inclined arm structure are solved.

Description

Key assembly and key panel

Technical Field

The utility model relates to the technical field of keys, in particular to a key assembly and a key panel.

Background

Nowadays, electronic technology and information industry are rapidly developed, and people pay more and more attention to user experience, so that the requirement for keys on the operation interface in the general industry is higher and higher.

At present, a pressing operation mode is mostly adopted on a use operation interface in a general industry, and an existing pressing operation mode, like a common key assembly, generally includes a substrate with a plurality of through holes, a plurality of cases respectively passing through the through holes from the rear side of the substrate, and a circuit board which is provided with a plurality of triggering portions respectively corresponding to the keys and is spirally arranged on the rear side of the substrate, and a user starts a set function by pressing the keys to trigger the triggering portions of the circuit board.

The utility model discloses a utility model with a structure of a key, with the bulletin number CN209708886U, specifically discloses a content that includes a key film, the key film is provided with at least two groups of key units, the key unit includes two keys and a light leakage hole arranged between the two keys, the edge of the light leakage hole is provided with a light-blocking wall, the light-blocking wall is a structure which is higher than the key film and surrounds three sides of the left, right and lower sides of the light leakage hole, two sides of the lower end of the key film are arc-shaped, the key includes a pressing part and an elastic part which are higher than the key film, and a groove part is arranged on the key film, the lower surface of the pressing part is connected with the elastic part, the elastic part is hollow round table shape, the groove part is arranged below the elastic part, the pressing part extends into the groove part, a conductive layer connected with the pressing part is arranged in the groove part, the conductive layer is a sub-pan sheet, the hardness of the pressing part is greater than that of the elastic part, an included angle between the pressing part and the elastic part is 115-150 degrees, and the key film are of an integrally formed structure.

In application research, the elastic part of the key structure adopts an inclined arm arrangement mode, so that the key rebound effect, the key force and the hand feeling are relatively poor.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems of relatively poor key resilience effect, key force and hand feeling, the utility model provides a key structure and a key panel, wherein the elastic part and the pressing part of the key are designed into an inverted bowl-shaped structure, so that the key function can be realized without using large strength, the unique key force change enables the pressing hand feeling to be better, the key force and the pressing hand feeling can be effectively improved, and the problems of poor key resilience effect, poor key force and poor hand feeling of the common inclined arm structure are solved.

In order to solve the technical problems, the utility model provides the following specific scheme:

a key assembly comprises a substrate, wherein at least one key is arranged on the substrate;

the key comprises a cavity part positioned in the substrate, an elastic part is arranged at the upper end of the cavity part, and a pressing part is arranged at the upper end of the elastic part;

the elastic part and the pressing part form a reversed bowl-shaped structure, the elastic part is in a hollow cylindrical shape, the pressing part is in a disc shape, and the thickness of the pressing part is larger than that of the elastic part.

Optionally, the thickness of the elastic part is 0.3-2mm, if the thickness of the elastic part is too thick, the load of the key is very high, the force required during pressing is large, and the hand feeling is not good during pressing; if the thickness of the elastic part is too thin, the elastic part is easy to break, resulting in poor quality and short service life of the key.

Optionally, the thickness of the pressing part is 0.8-3.2mm, if the thickness of the pressing part is too thick, the force required during pressing is large, the hand feeling is not good during pressing, and the rebound effect is poor; if the thickness of the pressing part is too thin, the pressing part is easy to break, so that the quality of the key is poor and the service life is short.

Optionally, the button still includes the light leak portion of protrusion in the base plate surface, the light leak portion is located cavity portion one side, and good light transmissivity can be played in light leak portion, also has better water-proof effects simultaneously, avoids the button subassembly phenomenon of intaking appearing when using, improves this button subassembly's life.

Optionally, the outer border of base plate is connected with first waterproof seal circle, and first waterproof seal circle has certain height, and when installing base plate and application panel, first waterproof seal circle can play better waterproof seal effect to prevent this button subassembly in the use, the phenomenon of intaking appears, improves this button subassembly's life.

Optionally, a positioning convex hull for positioning is further arranged on the substrate, the positioning convex hull includes a positioning wrapping cavity, the positioning wrapping cavity is used for wrapping the local raised features on the key panel to be applied, and the number, size and structure of the positioning wrapping cavity depend on the wrapped features.

Optionally, a positioning connection hole is formed in the upper end of the positioning convex hull, and the positioning connection hole is mainly used for allowing a fixing screw to penetrate through and fixing the positioning convex hull and the local feature part protruding from the positioning wrapping cavity through the fixing screw.

Optionally, the border of location connecting hole is provided with the waterproof seal of second circle, prevents that the phenomenon of intaking from appearing in location connecting hole department, plays waterproof seal effect.

Optionally, still be provided with at least one light leakage position on the base plate, be provided with the illuminating part in the light leakage position, play good light transmissivity, also have better water-proof effects simultaneously, avoid pressing the key assembly phenomenon of intaking to appear when using, improve this key assembly's life.

The utility model also provides a key panel which comprises the key assembly, the unique key force change of the key assembly enables the pressing hand feeling to be better, the key force and the pressing hand feeling can be effectively improved, and the problems of poor key resilience effect and poor key force and hand feeling of a common inclined arm structure are solved.

Compared with the prior art, the utility model has the beneficial effects that: according to the key structure and the key panel provided by the utility model, the elastic part and the pressing part of the key are designed into the inverted bowl-shaped structure, so that the key function can be realized without using large force, the pressing hand feeling is better due to unique key force change, the key force and the pressing hand feeling can be effectively improved, and the problems of poor key resilience effect and poor key force and hand feeling of a common inclined arm structure are solved.

Drawings

Fig. 1 is a schematic overall structure diagram of a key assembly according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a key provided in an embodiment of the present invention.

Fig. 3 is a schematic view of a key panel according to an embodiment of the utility model.

Wherein, 1 is a key assembly; 2 is a substrate; 3 is a key; 31 is a cavity part; 32 is an elastic part; 33 is a pressing part; 34 is a light leakage part; 4 is a first sealing waterproof ring; 5 is a positioning convex hull; 6 is a positioning connecting hole; 7 is a light leakage position; and 8 is a key panel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. The described embodiments are a few embodiments of the utility model, rather than all embodiments.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

For example, a key assembly includes a substrate having at least one key disposed thereon; the key comprises a cavity part positioned in the substrate, an elastic part is arranged at the upper end of the cavity part, and a pressing part is arranged at the upper end of the elastic part; the elastic part and the pressing part form a reversed bowl-shaped structure, the elastic part is in a hollow cylindrical shape, the pressing part is in a disc shape, and the thickness of the pressing part is larger than that of the elastic part.

The utility model provides a pair of button structure and key panel, with the elastic component of button with press the design of splenium to back-off bowl form structure, need not use great strength just can realize the button function, its unique button power change makes to press down and feels better, can effectively improve button power and press down and feel, solve the problem that ordinary sloping arm structure button resilience effect is poor, button power and feel poor.

As shown in fig. 1 and 2, a key assembly 1 includes a substrate 2, on which four keys 3 are disposed, and the positions of the four keys are designed according to actual application requirements, and can be compactly arranged adjacent to each other or uniformly spaced.

The key 3 comprises a cavity part 31 positioned inside the substrate, an elastic part 32 is arranged at the upper end of the cavity part, and a pressing part 33 is arranged at the upper end of the elastic part.

The elastic part and the pressing part form a reversed bowl-shaped structure, the elastic part is in a hollow cylindrical shape, the pressing part is in a disc shape, and the thickness of the pressing part is greater than that of the elastic part.

In this example, the elastic part and the pressing part of the key are designed into an inverted bowl-shaped structure, so that the key function can be realized without using large force, the unique key force change enables the pressing hand feeling to be better, the key force and the pressing hand feeling can be effectively improved, and the problems of poor key resilience effect, poor key force and poor hand feeling of the common inclined arm structure are solved.

In some embodiments, the thickness of the elastic part is 0.3-2mm, if the thickness of the elastic part is too thick, the load of the key is very high, the force required during pressing is large, and the hand feeling is not good during pressing; if the thickness of the elastic part is too thin, the elastic part is easy to break, resulting in poor quality and short service life of the key.

The thickness of the pressing part is 0.8-3.2mm, if the thickness of the pressing part is too thick, the force required during pressing is large, the hand feeling is not good during pressing, and the rebound effect is poor; if the thickness of the pressing part is too thin, the pressing part is easy to break, so that the quality of the key is poor and the service life is short.

In actual design, because the thickness of pressing the splenium needs to be greater than the thickness of elastic part, consequently, can set up the thickness of pressing the splenium to 1mm, the thickness of elastic part is 0.5mm, or the thickness of pressing the splenium sets up to 2mm, and the thickness of elastic part is 1.2mm, and concrete thickness setting can be adjusted according to actual need.

In some embodiments, the key 3 further includes a light leakage portion 34 protruding from the surface of the substrate, the light leakage portion is located on one side of the cavity portion, the light leakage portion can have good light transmittance, and meanwhile, the key has a good waterproof effect, so that a water inlet phenomenon when the key assembly is used is avoided, and the service life of the key assembly is prolonged.

In the application, when the environment is comparatively dim or light is not enough, certain light transmissivity can be played to light leak portion, and the guide operator confirms the position of button subassembly, carries out accurate operation, and light leak portion also has waterproof effect simultaneously, prevents to appear the phenomenon of intaking in the application.

In some embodiments, a first waterproof seal 4 is attached to the outer edge of the base plate 2.

First waterproof seal circle has certain height, and when installing base plate and application panel, first waterproof seal circle can play better waterproof seal effect to prevent this button subassembly in the use, the phenomenon of intaking appears, improves this button subassembly's life.

In some embodiments, a positioning convex hull 5 for positioning is further provided on the substrate 2, and the positioning convex hull includes a positioning wrapping cavity for wrapping the local features protruding from the key panel for the desired application, and the number, size and structure of the positioning wrapping cavities depend on the wrapped features.

When being applied to required keypad, keypad has some bellied local characteristics when inevitable, consequently, sets up the convex closure on keypad, can be used for keeping away the position to bellied local characteristic on the one hand, and another convenience can play the parcel effect to it again, avoids in follow-up equipment or application process, causes damage etc. to bellied local characteristic.

Wherein, location connecting hole 6 has been seted up to the upper end of location convex closure 5, and the location connecting hole mainly used set screw passes, through set screw while fixed location convex closure with be located the protruding local characteristic part in the parcel chamber of location, improve the stability of connecting, and then improve the stability of whole use.

In some embodiments, the edge of the positioning connecting hole is provided with a second sealing waterproof ring, so that the water inlet phenomenon at the positioning connecting hole is prevented, and the sealing waterproof effect is achieved.

Still be provided with at least one light leak position 7 on the base plate, be provided with the illuminating part in the light leak position, play good light transmissivity, also have better water-proof effects simultaneously, avoid pressing the key assembly phenomenon of intaking to appear when using, improve this key assembly's life.

The light-emitting part can adopt an LED lamp, and the LED lamp has the advantages of small volume, high brightness and low power consumption.

As shown in fig. 3, the present invention further provides a key panel 8, which includes the key assembly 1, where the key assembly includes a substrate, and at least one key is disposed on the substrate; the key comprises a cavity part positioned in the substrate, the upper end of the cavity part is provided with an elastic part, and the upper end of the elastic part is provided with a pressing part; the elastic part and the pressing part form a reversed bowl-shaped structure, the elastic part is in a hollow cylindrical shape, the pressing part is in a wafer shape, the thickness of the pressing part is larger than that of the elastic part, the unique key force change enables the pressing hand feeling to be better, the key force can be effectively improved and the pressing hand feeling can be effectively improved, and the problems of poor key resilience effect, poor key force and poor hand feeling of a common inclined arm structure are solved.

According to the key structure and the key panel provided by the embodiment of the utility model, the elastic part and the pressing part of the key are designed into the inverted bowl-shaped structure, so that the key function can be realized without using large force, the unique key force change enables the pressing hand feeling to be better, the key force and the pressing hand feeling can be effectively improved, and the problems of poor key resilience effect and poor key force and hand feeling of a common inclined arm structure are solved.

In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

While the utility model has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims (10)

1. The key assembly is characterized in that the key assembly (1) comprises a substrate (2), and at least one key (3) is arranged on the substrate (2);

the key (3) comprises a cavity part (31) positioned in the substrate (2), an elastic part (32) is arranged at the upper end of the cavity part (31), and a pressing part (33) is arranged at the upper end of the elastic part (32);

the elastic part (32) and the pressing part (33) form a reversed bowl-shaped structure, the elastic part (32) is in a hollow cylindrical shape, the pressing part (33) is in a disc shape, and the thickness of the pressing part (33) is larger than that of the elastic part (32).

2. A key assembly according to claim 1, wherein the thickness of the elastic portion (32) is 0.3-2 mm.

3. A key assembly according to claim 1, wherein the thickness of the pressing portion (33) is 0.8-3.2 mm.

4. A key assembly according to claim 1, wherein said key (3) further includes a light leakage portion (34) protruding from the surface of the base plate (2), said light leakage portion (34) being located on the side of the cavity portion (31).

5. A key assembly according to claim 1, wherein a first waterproof seal ring (4) is attached to an outer edge of the base plate (2).

6. The key assembly according to claim 1, wherein a positioning convex hull (5) for positioning is further provided on the substrate (2), and the positioning convex hull (5) comprises a positioning wrapping cavity.

7. The key assembly according to claim 6, wherein the upper end of the positioning convex hull (5) is provided with a positioning connection hole (6).

8. A key assembly according to claim 7, characterized in that the edge of the positioning connection hole (6) is provided with a second waterproof sealing ring.

9. The key assembly according to claim 1, wherein at least one light leakage position (7) is further disposed on the substrate (2), and a light emitting member is disposed in the light leakage position (7).

10. A key panel, characterized in that it comprises a key assembly (1) according to any one of claims 1-9.

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