CN219393230U - Anti-dismantling keyboard and handheld terminal - Google Patents

Abstract

The utility model relates to an anti-disassembly keyboard and a handheld terminal, comprising: the integrated keycap is provided with a plurality of identification parts, and the identification parts are arranged on the surface of the integrated keycap at intervals; the trigger structure comprises a support and a silica gel plate, wherein a plurality of silica gel sleeves are formed on the silica gel plate, a plurality of through holes matched with the silica gel sleeves are formed on the support, the silica gel sleeves are arranged in the through holes, the silica gel sleeves correspond to the through holes one by one, and the integral key caps are connected with the support; the anti-disassembly part comprises a first anti-disassembly piece, a second anti-disassembly piece and an easy-tearing piece. The utility model can control the main board to be self-destroyed when the keyboard is broken and disassembled through the risk avoiding measure, prevent the information stored in the handheld terminal from being leaked, and can enable the keys to occupy larger space of the keyboard, so that the size of the keys is larger.

Description

Anti-dismantling keyboard and handheld terminal

Technical Field

The utility model relates to the technical field of keyboards, in particular to an anti-dismantling keyboard and a handheld terminal.

Background

The keyboard is the most commonly used and main input device, and English letters, numbers, punctuation marks and the like can be input into the handheld terminal through the keyboard, so that commands, input data and the like are sent to the handheld terminal, and along with the development of technology, the requirements on the keyboard are higher and higher, and the existing keyboard has the place to be improved.

On the one hand, the keyboard of the existing handheld terminal is a rigid keyboard, a plurality of through holes are formed in the keyboard, keys are placed in the corresponding through holes, larger bone positions are needed between the adjacent through holes (the bone positions are plastic connecting pieces between the adjacent through holes), the bone positions occupy a part of space of the keyboard, the occupied space of the keys is reduced, the size of the keys is smaller and inconvenient to operate correspondingly, in addition, the existing keyboard is a part which is convenient to detach on the handheld terminal, the keyboard is connected with a main board, the main board of the handheld terminal can be easily found through detaching the keyboard, so that data stored in the handheld terminal can be stolen, and when the keyboard of the existing handheld terminal is detached, no risk avoidance measures and protection methods are provided.

Disclosure of Invention

First, the technical problem to be solved

In order to solve the problems in the prior art, the utility model provides the anti-dismantling keyboard and the handheld terminal, which enable the keyboard to control the main board to be self-destroyed when the keyboard is dismantled through the risk avoiding measure, prevent information stored in the handheld terminal from being leaked, enable keys to occupy larger space of the keyboard, enable the size of the keys to be larger, and enable the operation to be more convenient.

(II) technical scheme

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

in one aspect, a tamper evident keyboard comprises: the integrated keycap is provided with a plurality of identification parts, and the identification parts are arranged on the integrated keycap at intervals;

the trigger structure comprises a support and a silica gel plate, wherein a plurality of silica gel sleeves are formed on the silica gel plate, a plurality of through holes matched with the silica gel sleeves are formed on the support, the silica gel sleeves are arranged in the through holes, the silica gel sleeves correspond to the through holes one by one, and the integral key caps are connected with the support;

the anti-disassembly part comprises a first anti-disassembly part, a second anti-disassembly part and an easy-tearing part, wherein the first anti-disassembly part is positioned between the integrated keycap and the triggering structure, one end of the easy-tearing part is connected with the first anti-disassembly part, and both ends of the first anti-disassembly part are connected with the second anti-disassembly part.

According to the technical scheme, when the anti-dismantling keyboard is broken and dismantled, the anti-dismantling part is extremely easy to damage, and the anti-dismantling part can respond to breaking and dismantling actions extremely sensitively.

Further, the integrated keycap is a flexible keycap, and when the identification part is pressed, the integrated keycap deforms;

the first anti-disassembly member is adhered to the integrated keycap.

According to the technical scheme, the bone positions between adjacent keys of the integrated flexible key cap are smaller, so that the number of keys on the keyboard can be larger in more size, any one of the identification parts is pressed to deform the part of the integrated key cap, the corresponding silica gel sleeve is triggered, and the conventional function of the keys is completed.

Further, the easy tearing piece is adhered to the front surface of the silica gel plate, the easy tearing piece is L-shaped, and a notch is formed in the direction from the outer edge of the easy tearing piece to the inside of the easy tearing piece.

According to the technical scheme, the easy-tearing piece enables the anti-dismantling part to be easy to damage when external force is applied to the anti-dismantling part, and the anti-dismantling part can respond to the breaking and dismantling action in time.

Further, the anti-dismantling keyboard further comprises a keyboard circuit board, a plurality of silica gel sleeves are in one-to-one correspondence with the identification parts, and a plurality of induction pieces matched with the keyboard circuit board are arranged in the silica gel sleeves.

According to the technical scheme, the silica gel sleeve is stressed to deform after the mark part is stressed to deform, so that the sensing piece is driven to touch the key circuit.

On the other hand, the handheld terminal comprises a shell, a main board, a connector and the anti-disassembly keyboard, wherein the main board is arranged in the shell, the second anti-disassembly piece is electrically connected with the main board through the connector, and a closed loop is formed among the anti-disassembly part, the connector and the main board.

Further, the number of the second anti-disassembly parts and the connectors are two, one ends of the two second anti-disassembly parts are connected with the first anti-disassembly parts, and the other ends of the two second anti-disassembly parts are connected with the corresponding connectors respectively.

According to the technical scheme, the connector is used for electrically connecting the anti-disassembly part and the main board.

Further, an installation groove matched with the anti-disassembly keyboard is formed in the shell, and the anti-disassembly keyboard is arranged in the installation groove.

According to the technical scheme, the shell plays a basic role in protecting the main board and the keys.

(III) beneficial effects

The anti-dismantling keyboard and the handheld terminal have the beneficial effects that: on the one hand, the soft type integrated keycap does not need a bone position between two adjacent keys, the size of the keys can be larger, and the number of the keys can be more.

On the other hand, the anti-disassembly part is electrically connected with the main board through the connector to form a closed loop, when the anti-disassembly part is damaged, the closed loop is disconnected, and the main board responds to a disconnection signal of the closed loop to delete the stored content of the main board, so that information leakage is prevented.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

FIG. 1 is an exploded view of a handheld terminal according to one embodiment of the present utility model;

FIG. 2 is a structural view of a tamper evident portion according to one embodiment of the present utility model;

FIG. 3 is a plan view of a tamper evident portion according to one embodiment of the present utility model;

FIG. 4 is a diagram showing a keyboard and motherboard in accordance with one embodiment of the present utility model;

FIG. 5 is a mating view of the tamper evident feature and the trigger structure according to one embodiment of the present utility model.

Wherein the above figures include the following reference numerals: 1. an integral key cap; 2. an anti-disassembly part; 21. a first tamper evident member; 22. a second tamper evident member; 23. an easy-to-tear piece; 24. a notch; 3. a trigger structure; 31. a bracket; 32. a silicone plate; 33. a through hole; 34. a silica gel sleeve; 4. a housing; 5. a keyboard circuit board; 6. a connector; 7. a main board; 8. a marking part.

Detailed Description

The utility model will be better explained for understanding by referring to the following detailed description of the embodiments in conjunction with the accompanying drawings.

As shown in fig. 1 to 5, an anti-disassembly keyboard includes: the integrated keycap 1 is provided with a plurality of identification parts 8, the identification parts 8 are arranged on the surface of the integrated keycap 1, and it is to be noted that in the embodiment, the integrated keycap 1 is a flexible board with strong deformation capability, and the identification parts 8 are arranged on the flexible board;

the triggering structure 3, the triggering structure 3 includes a bracket 31 and a silica gel plate 32, a plurality of silica gel sleeves 34 are formed on the silica gel plate 32, a plurality of through holes 33 matched with the identification part 8 are formed on the bracket 31, the silica gel sleeves 34 are arranged in the through holes 33, the plurality of silica gel sleeves 34 are in one-to-one correspondence with the plurality of through holes 33, the silica gel sleeves 34 are arranged in the plurality of through holes 33, and the integrated keycap 1 is connected with the bracket 31;

the anti-disassembly part 2, the anti-disassembly part 2 includes first anti-disassembly piece 21, second anti-disassembly piece 22 and easily tears piece 23, first anti-disassembly piece 21 is located between integral type keycap 1 and the trigger structure 3, easily tear piece 23's one end with first anti-disassembly piece 21 is connected, the both ends of first anti-disassembly piece 21 all are connected with second anti-disassembly piece 22, works as when anti-disassembly keyboard is broken to be torn open, anti-disassembly part 2 is extremely easily destroyed, anti-disassembly part 2 can very sensitive response broken the tearing action.

As shown in fig. 1, in this embodiment, a marking portion 8 corresponds to a silicone sleeve 34, a silicone plate 32 aligns with a bracket 31, all the silicone sleeves 34 are clamped into through holes 33 in a one-to-one correspondence manner, the marking portion 8 is pressed to drive the silicone sleeve 34 to perform corresponding actions, after one pressing, the marking portion 8 and the silicone sleeve 34 are reset through the silicone material property of the silicone plate 32, the front surface of the first tamper-proof element 21 is bonded with the back surface of the integral key cap 1 through glue, and the back surface of the first tamper-proof element 21 is bonded with the front surface of the easy-tearing element 23 through glue with the front surface of the silicone plate 32.

The plurality of identification parts 8 are arranged on the front surface of the integrated keycap 1 in an array manner, and when the identification parts 8 are pressed, the integrated keycap 1 deforms; the first anti-disassembling piece 21 is adhered to the back surface of the integrated keycap 1, and no bone position exists between adjacent keys of the integrated flexible keycap, so that the number of keys on the keyboard can be more, and the size can be larger.

It should be noted that, the surface of the integral key cap 1 may be smooth or may be formed with a plurality of protruding portions, when the surface of the integral key cap 1 is a smooth surface, the identification portion 8 is located on the surface of the integral key cap 1, and when the surface of the integral key cap 1 has a plurality of protruding portions, the identification portion 8 is located on the plurality of protruding portions, in this embodiment, as shown in fig. 1, it is preferable that the surface of the integral key cap 1 is formed with protruding portions.

Further, the easy-to-tear piece 23 is adhered to the front surface of the silica gel plate 32, the easy-to-tear piece 23 is L-shaped, a notch 24 is formed in the easy-to-tear piece 23 along the outer edge of the easy-to-tear piece 23, and the easy-to-tear piece 23 makes the anti-disassembly part 2 more fragile when receiving external force.

Further, the anti-dismantling keyboard further comprises a keyboard circuit board 5, a plurality of silica gel sleeves 34 are in one-to-one correspondence with a plurality of identification parts 8, and a plurality of induction pieces matched with the keyboard circuit board 5 are arranged in the silica gel sleeves 34.

In this embodiment, the plurality of sensing elements are in one-to-one correspondence with the plurality of key circuits, and the sensing elements are used for touching the key circuits. The keyboard circuit board 5 is provided with a plurality of contacts, each contact represents a key circuit, each contact is matched with a sensing piece, the sensing piece is a contact, and when the contact is contacted with the corresponding contact, a corresponding instruction can be output.

In this embodiment, the sensing member is preferably a metal sheet, the silica gel sleeve 34 is provided with a placement groove, a notch of the placement groove is opposite to the keyboard circuit board 5, and the metal sheet is disposed in the placement groove.

It should be noted that, the keyboard circuit board 5 is in the prior art, and the structure thereof is not described in detail.

As shown in fig. 2 and 3, in the present embodiment, the notch 24 is formed at a corner of the L-shaped tearable piece 23.

As a second object of the present utility model, as shown in fig. 1 to 4, a handheld terminal includes a housing 4, a main board 7, a connector 6, and a tamper-proof keyboard as described above, the main board 7 is disposed in the housing 4, the second tamper-proof member 22 is electrically connected to the main board 7 through the connector 6, a closed loop, also called a feedback control system, is formed between the tamper-proof portion 2, the connector 6 and the main board 7, and a measured value of a system output is compared with a desired given value, thereby generating a deviation signal, and the deviation signal is used for performing adjustment control to make the output value approximate to the desired value as much as possible, and when the tamper-proof portion 2 and the connector 6 are broken, the closed loop is broken, and the main board 7 deletes or pulverizes the stored content thereof in response to the deviation signal.

In this embodiment, the main board 7 is fixed inside the housing 4, the keyboard circuit board 5 is electrically connected with the main board 7, and the integrated keycap 1, the anti-disassembly portion 2, the triggering structure 3, the keyboard circuit board 5 and the main board 7 are sequentially installed in the housing 4 from outside to inside.

Further, the connector 6 is preferably a zebra stripe in the present embodiment.

It should be noted that, in the present embodiment, the keyboard circuit board 5, the motherboard 7 and the connector 6 are all of the prior art, and the structure thereof is not described again.

The number of the second anti-disassembly pieces 22 and the connectors 6 is two, one ends of the two second anti-disassembly pieces 22 are connected with the first anti-disassembly pieces 21, the other ends of the two second anti-disassembly pieces 22 are respectively connected with the two connectors 6, and the connectors 6 are used for electrically connecting the anti-disassembly parts 2 and the main board 7.

As shown in fig. 4 and 5, in the present embodiment, two connectors 6 are respectively disposed at positions near two sides of the main board 7, two second anti-disassembly members 22 are respectively disposed at two ends of the first anti-disassembly member 21, and the two second anti-disassembly members 22 are respectively electrically connected with the two connectors 6, and it should be noted that in the present embodiment, the two second anti-disassembly members 22, the first anti-disassembly member 21, the connectors 6 and the main board 7 are connected to form an approximately annular enclosure, and the two second anti-disassembly members 22 are all in non-relaxed states, wherein the keyboard circuit board 5 and the triggering structure 3 pass through the enclosure, and the second anti-disassembly members 22 are relatively easy to respond to the breaking of the keyboard in any direction, i.e. the second anti-disassembly members 22 are damaged after being stressed.

It should be noted that the anti-disassembling portion 2 may be an integrally formed flexible board or a separate flexible board, and in this embodiment, the anti-disassembling portion 2 is preferably an integrally formed flexible board.

The shell 4 is provided with a mounting groove matched with the keyboard, the keyboard is arranged in the mounting groove, and the shell 4 plays a basic role in protecting the main board 7 and keys.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly as such and as "connected," either fixedly or detachably, or integrally; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (7)

1. An anti-tamper keyboard, comprising:

the integrated keycap is provided with a plurality of identification parts, and the identification parts are arranged on the integrated keycap at intervals;

the trigger structure comprises a support and a silica gel plate, wherein a plurality of silica gel sleeves are formed on the silica gel plate, a plurality of through holes matched with the silica gel sleeves are formed on the support, the silica gel sleeves are arranged in the through holes, the silica gel sleeves correspond to the through holes one by one, and the integral key caps are connected with the support;

the anti-disassembly part comprises a first anti-disassembly part, a second anti-disassembly part and an easy-tearing part, wherein the first anti-disassembly part is positioned between the integrated keycap and the triggering structure, one end of the easy-tearing part is connected with the first anti-disassembly part, and both ends of the first anti-disassembly part are connected with the second anti-disassembly part.

2. The tamper resistant keypad of claim 1 wherein: the integrated keycap is a flexible keycap, the plurality of identification parts are arrayed on the front surface of the integrated keycap, and the integrated keycap deforms when the identification parts are pressed;

the first anti-disassembly member is adhered to the integrated keycap.

3. The tamper resistant keypad of claim 1 wherein: the easy tearing piece is adhered to the front face of the silica gel plate, the easy tearing piece is L-shaped, and a notch is formed in the easy tearing piece along the outer edge of the easy tearing piece towards the inside of the easy tearing piece.

4. The tamper resistant keypad of claim 1 wherein: the anti-dismantling keyboard further comprises a keyboard circuit board, a plurality of silica gel sleeves and a plurality of identification parts are in one-to-one correspondence, and a plurality of induction parts matched with the keyboard circuit board are arranged in the silica gel sleeves.

5. A hand-held terminal, characterized in that: the anti-disassembly keyboard comprises a shell, a main board, a connector and the anti-disassembly keyboard according to any one of claims 1-4, wherein the main board is arranged in the shell, the second anti-disassembly piece is electrically connected with the main board through the connector, and a closed loop is formed among the anti-disassembly part, the connector and the main board.

6. The hand-held terminal according to claim 5, wherein: the number of the second anti-disassembly parts and the connectors is two, one ends of the two second anti-disassembly parts are connected with the first anti-disassembly parts, and the other ends of the two second anti-disassembly parts are respectively connected with the corresponding connectors.

7. The hand-held terminal according to claim 5, wherein: the shell is provided with an installation groove matched with the anti-disassembly keyboard, and the anti-disassembly keyboard is arranged in the installation groove.