CN220604539U - Key structure and electronic equipment - Google Patents

Abstract

The application discloses button structure and electronic equipment, button structure includes: the key cap is provided with a cavity and an opening at the bottom end, the top surface of the key cap is provided with identification patterns, and the key cap vertically penetrates through the prepressing panel of the electronic equipment; the connecting column is arranged below the pre-pressing panel, a through hole is formed in the connecting column, the through hole is communicated with the cavity, and a clamping structure is arranged between the head end of the connecting column and the bottom end of the key cap; the anti-drop mechanism is arranged at the bottom end of the keycap; the horizontal limiting mechanism is used for horizontally contacting with the keycaps to keep the keycaps horizontal and is arranged on the head ends of the connecting columns; the connecting seat is arranged below the connecting column and is connected with the tail end of the connecting column in a plugging mode, a light source is arranged in the connecting seat and located below the through hole, and the light source is used for generating light rays entering from the through hole and emitted from the top surface of the key cap. The key cap can be kept horizontal, the triggering accuracy is high, the key cap is not easy to fall off, the key is transparent and uniform, and an operator can conveniently recognize the triggering condition of the key.

Description

Key structure and electronic equipment

Technical Field

The utility model relates to the technical field of keys, in particular to a key structure and electronic equipment.

Background

Electronic devices are common articles in life, such as computer keyboards, televisions, bluetooth headsets, etc., and in order to control the electronic devices, control buttons are usually arranged on the electronic devices, so that an operator can control the electronic devices by pressing the control buttons. The control button comprises a button and a pressure sensor, the button has a certain movable amount in the pressing direction, and a spring is used for providing power for the restoration of the button, so that after the button is pressed, the button restores to an initial state under the action of the elastic restoring force of the spring, and the repeated triggering and the use of the control button are realized.

Along with the development of technology, the functions of electronic devices are gradually improved, not limited to a single function, and in order to control different functions of the electronic devices, a plurality of control buttons are usually arranged on the electronic devices to realize the respective control of the different functions of the electronic devices. In order to enable operators to intuitively distinguish functions of electronic equipment corresponding to different control buttons, each key is provided with an identification pattern, each pattern corresponds to a specific function, and a light emitting piece is arranged at the bottom of the key so that the corresponding pattern on each key emits light, and the operators can conveniently identify the functions corresponding to each control button according to the pattern on each key.

The button comprises connecting seat, integrative key cap and the spliced pole that sets up generally, and the one end of spliced pole is fixed on the internal surface of button, and the other end is used for docking with the connecting seat, and the light-emitting part setting is in the connecting seat, and the light that leads to the light-emitting part to send passes the key cap after passing the spliced pole again, and partial light is sheltered from by the spliced pole, leads to the light luminance inhomogeneous that sees through from the key cap, and the pattern on the button shines inhomogeneous, influences operating personnel's discernment.

In the prior art, through setting up the key cap with the spliced pole components of a whole that can function independently and connect through buckle structure to avoid the spliced pole to prevent light from penetrating out from the key cap, however, key cap and spliced pole components of a whole that can function independently set up, make key cap and spliced pole cooperation unstable, when operating personnel presses the button, if key cap atress is uneven and slope, easily lead to spliced pole and connecting seat to trigger the dislocation, lead to the mistake to trigger or trigger the failure, and easily lead to buckle structure pine to take off, damage even, thereby make the key cap drop from the spliced pole, influence follow-up use.

Disclosure of Invention

The utility model aims to provide a key structure and electronic equipment, which are used for solving the problems that in the prior art, keys are easy to trigger by mistake or trigger failure and key caps are easy to fall off, ensuring uniform light transmission of the keys and facilitating the identification of the functions of different keys by operators.

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

a key structure, comprising:

the key cap is provided with a cavity and a bottom end opening communicated with the cavity, an identification pattern is arranged on the top surface of the key cap, the key cap vertically penetrates through a pre-pressing panel of the electronic equipment, the bottom end of the key cap extends out of the lower surface of the pre-pressing panel, and the top surface of the key cap extends out of the upper surface of the pre-pressing panel;

the connecting column is arranged below the pre-pressing panel, a through hole is formed in the connecting column, the through hole is communicated with the cavity, a clamping structure is arranged between the head end of the connecting column and the bottom end of the key cap, the clamping structure comprises a clamping groove and a clamping block inserted into the clamping groove, the clamping groove is formed in the key cap, and the clamping block is arranged on the connecting column;

the anti-falling mechanism is arranged on the bottom end of the key cap and used for limiting the key cap to be separated from the prepressing panel along the axis direction of the key cap;

the horizontal limiting mechanism is used for horizontally contacting with the keycaps to keep the keycaps horizontal, and is arranged on the head end of the connecting column and propped against the bottom ends of the keycaps;

the connecting seat is arranged below the connecting column and is in plug connection with the tail end of the connecting column, a light source is arranged in the connecting seat and positioned below the through hole, and the light source is used for generating light rays entering from the through hole and emitted from the top surface of the key cap.

Further, the anti-disengaging mechanism comprises a plurality of anti-disengaging blocks, and the anti-disengaging blocks are arranged on the periphery of the bottom end of the key cap at intervals and propped against the lower surface of the pre-pressing panel.

Further, a matching boss is arranged on the head end of the connecting column, at least part of the matching boss is suitable for being inserted into the cavity, and the shape of the matching boss is matched with the shape of the key cap;

the matching boss is formed by protruding outwards along the circumferential direction of the connecting column, and the horizontal limiting mechanism and the clamping block are both arranged on the periphery of the matching boss.

Further, the horizontal limiting mechanism comprises a plurality of leveling blocks, and the leveling blocks are arranged on the periphery of the matching boss at intervals.

Further, a plurality of slots are formed in the bottom end of the keycap and the leveling block in a one-to-one mode, and the leveling block is suitable for being inserted into the corresponding slot.

Further, the key cap is of a cylindrical structure, the number of the clamping grooves and the clamping blocks is at least two, which are arranged one by one, the clamping grooves are arranged on the key cap at equal intervals along the circumferential direction, each clamping groove is respectively provided with an anti-falling block in a lamination manner on two sides of the circumferential direction of the key cap, and each anti-falling block is provided with the slot in a lamination manner on one side of the corresponding clamping groove, which is far away from the lamination manner on the circumferential direction of the key cap.

Further, the thickness of the leveling block and the thickness of the anti-falling block are the same as the depth of the slot, and the arrangement heights of the anti-falling block and the slot in the axial direction of the key cap are the same.

Further, the leveling block is provided with a first free end far away from the matching boss, the anti-falling block is provided with a second free end far away from the keycap, the end faces of the first free end and the second free end are curved surfaces with the same curvature, and the end faces of the first free end and the second free end are coplanar.

Further, the connecting seat comprises a lower shell, an upper shell which is connected in the lower shell in a sliding manner, and an elastic reset piece which is arranged between the upper shell and the lower shell, wherein the connecting column is connected with the upper shell in a plug-in manner, a light hole is formed in the upper shell and communicated with the through hole, and the light source is arranged in the lower shell and faces to the light hole.

The application also provides electronic equipment comprising the key structure.

Due to the application of the technical scheme, the application has the beneficial effects compared with the prior art that:

the key structure that this application provided is through setting up key cap and spliced pole independence to avoid the spliced pole to shelter from the light that permeates out the top surface of key cap, guarantee that the light luminance that permeates out from the key cap is even, the operating personnel of being convenient for uses and discerns the trigger condition of the key structure of control correspondence function, prevent through setting up anticreep mechanism that the key cap from droing, set up horizontal stop gear on the spliced pole be used for with the bottom horizontal contact of key cap in order to keep the key cap level, and then improve key cap and spliced pole complex stability, make key cap atress even, trigger the precision height.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of a key structure according to an embodiment of the present utility model;

fig. 2 is a schematic cross-sectional view of a key structure according to an embodiment of the present utility model.

Reference numerals illustrate:

1-a key cap; 11-cavity; 12-identifying the pattern; 13-slots; 2-connecting columns; 21-a through hole; 22-mating bosses; 3-anti-falling blocks; 4-connecting seats; 41-a lower housing; 42-an upper housing; 43-elastic restoring member; 44-light holes; a 5-clamping structure; 51-clamping grooves; 52-clamping blocks; 6-leveling blocks; 7-a light source.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The utility model provides electronic equipment, which is provided with at least one key structure, wherein the key structure is used for triggering corresponding functions of the electronic equipment, the type, the functions and the use scene of the electronic equipment are not particularly limited, the key structure can keep the key cap horizontal, the triggering accuracy is high, the key cap is not easy to fall off, the key light transmission is uniform, and an operator can conveniently identify the triggering condition of the key structure for controlling the corresponding equipment functions.

Referring to fig. 1 and 2, the key structure includes a key cap 1, a connecting post 2, an anti-drop mechanism, a horizontal limiting mechanism and a connecting seat 4. The connection base 4 is used for being connected with a pressure sensor (not shown) of the electronic equipment, the pressure sensor is connected with a control circuit (not shown) of the electronic equipment, and the connection post 2 and the connection base 4 are sequentially driven by pressing the key cap 1 to trigger the pressure sensor to send a trigger signal so as to enable the corresponding function of the electronic equipment to be started.

The key cap 1 has a cavity 11 and a bottom opening communicated with the cavity 11, an identification pattern 12 is arranged on the top surface of the key cap 1, the key cap 1 vertically penetrates through a pre-pressing panel (not shown) of the electronic equipment, the bottom end of the key cap 1 extends out of the lower surface of the pre-pressing panel, and the top surface of the key cap 1 extends out of the upper surface of the pre-pressing panel. In this embodiment, the key cap 1 has a cylindrical structure, and the identification pattern 12 has an a-letter structure. Indeed, in other embodiments, the key cap 1 may also be sector-shaped or rectangular or triangular. The shape of the identification pattern 12 and the shape of the key cap 1 are not particularly limited in this application.

The spliced pole 2 sets up in pre-compaction panel below, and the inside of spliced pole 2 is formed with through-hole 21, and through-hole 21 is linked together with cavity 11, is provided with joint structure 5 between the head end of spliced pole 2 and the key cap 1 bottom, and joint structure 5 includes draw-in groove 51 and inserts the fixture block 52 in draw-in groove 51, and draw-in groove 51 sets up on key cap 1, and fixture block 52 sets up on spliced pole 2. In this embodiment, the number of the clamping grooves 51 and the clamping blocks 52 is at least two, which are arranged one to one, and the at least two clamping grooves 51 are arranged on the keycap 1 at equal intervals along the circumferential direction, so that the stress at the joint of the keycap 1 and the connecting column 2 is uniform.

The anti-disengaging mechanism is arranged on the bottom end of the key cap 1 and is used for limiting the key cap 1 to be disengaged from the prepressing panel along the axis direction. In this embodiment, the anti-disengaging mechanism includes a plurality of anti-disengaging blocks 3, and a plurality of anti-disengaging blocks 3 are arranged on the periphery of the bottom end of the keycap 1 at intervals and are propped against the lower surface of the pre-pressing panel. The axial direction of the key cap 1 is shown by arrow a in fig. 1.

The horizontal limiting mechanism is used for horizontally contacting with the keycap 1 to keep the keycap 1 horizontal, is arranged on the head end of the connecting column 2 and props against the bottom end of the keycap 1. In this embodiment, the head end of the connecting post 2 is provided with a mating boss 22, at least part of the mating boss 22 is suitable for being inserted into the cavity 11, and the shape of the mating boss 22 is adapted to the shape of the key cap 1. The matching boss 22 is formed by protruding outwards along the circumferential direction of the connecting column 2, and the horizontal limiting mechanism and the clamping block 52 are arranged on the periphery of the matching boss 22. Specifically, the horizontal limiting mechanism includes a plurality of leveling blocks 6, and the plurality of leveling blocks 6 are arranged at intervals on the periphery of the mating boss 22.

In order to avoid the influence on the use of the key cap 1 and the connecting column 2 caused by the relative displacement of the key cap 1 and the connecting column 2 along the circumferential direction of the key cap 1 after the key cap 1 is clamped with the connecting column 2, a plurality of slots 13 are formed in the bottom end of the key cap 1 and the leveling block 6 in a one-to-one mode, and the leveling block 6 is suitable for being inserted into the corresponding slots 13. So as to limit the relative displacement of the keycap 1 and the connecting post 2 in the circumferential direction of the keycap 1.

In this embodiment, the leveling blocks 6 and the anti-falling blocks 3 are all provided with four, and the four leveling blocks 6 are symmetrically arranged in pairs, and the four anti-falling blocks 3 are symmetrically arranged in pairs. So as to ensure that the stress on the parts of the key cap 1 and the connecting column 2 is uniform after the key cap is connected, and improve the stability after assembly.

In order to improve the integrity of the assembled key cap 1 and the connecting post 2, in this embodiment, each clamping groove 51 is respectively attached to two sides of the key cap 1 in the circumferential direction, and the anti-drop block 3 is attached to one side of the key cap 1 away from the attached clamping groove 51 in the circumferential direction, and is provided with a slot 13. The thickness of the leveling block 6 and the thickness of the anti-falling block 3 are the same as the depth of the slot 13, and the arrangement heights of the anti-falling block 3 and the slot 13 in the axial direction of the keycap 1 are the same. After the key cap 1 is assembled with the connecting column 2, the upper surfaces and the lower surfaces of the anti-falling block 3 and the leveling block 6 are leveled, so that the leveling block 6 and the anti-falling block 3 can be simultaneously propped against the lower surface of the pre-pressing panel, the stability of the key cap 1 after being pressed down is further improved, and the levelness of the key cap 1 is ensured.

In order to further improve the integrity of the assembled key cap 1 and the connecting post 2, in this embodiment, the leveling block 6 has a first free end far away from the mating boss 22, the anti-drop block 3 has a second free end far away from the key cap 1, the end surfaces of the first free end and the second free end are curved surfaces with the same curvature, and the end surface of the first free end is coplanar with the end surface of the second free end. So that after the key cap 1 is assembled with the connecting column 2, the anti-drop block 3 is connected with the end face of the leveling block 6 which is attached to the key cap to form a complete curved surface, and dust can be prevented from entering a gap between the anti-drop block 3 and the leveling block 6 to accumulate, and the key structure triggering is prevented from being influenced.

The connecting seat 4 is arranged below the connecting column 2 and is connected with the tail end of the connecting column 2 in a plugging manner, the light source 7 is arranged in the connecting seat 4, the light source 7 is positioned below the through hole 21, and the light source 7 is used for generating light rays entering from the through hole 21 and exiting from the top surface of the key cap 1.

Specifically, the connection base 4 includes a lower housing 41, an upper housing 42 slidably connected in the lower housing 41, and an elastic restoring member 43 disposed between the upper housing 42 and the lower housing 41, the connection post 2 is connected with the upper housing 42 in a plugging manner, a light hole 44 is disposed in the upper housing 42, the light hole 44 is communicated with the through hole 21, and the light source 7 is disposed in the lower housing 41 and is disposed toward the light hole 44. The elastic restoring member 43 is a spring, which is sleeved outside the light source 7, and two ends thereof respectively abut against between the bottom wall of the lower housing 41 and the bottom wall of the upper housing 42. For the conventional arrangement, no further description is given here.

Due to the application of the technical scheme, the application has the beneficial effects compared with the prior art that:

the key structure that this application provided is through setting up key cap and spliced pole independence to avoid the spliced pole to shelter from the light that permeates out the top surface of key cap, guarantee that the light luminance that permeates out from the key cap is even, the operating personnel of being convenient for uses and discerns the trigger condition of the key structure of control correspondence function, prevent through setting up anticreep mechanism that the key cap from droing, set up horizontal stop gear on the spliced pole be used for with the bottom horizontal contact of key cap in order to keep the key cap level, and then improve key cap and spliced pole complex stability, make key cap atress even, trigger the precision height.

Finally, it should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, and any modifications, equivalents, improvements or changes thereof may be made without departing from the spirit and principle of the present utility model.

Claims (10)

1. A key structure, comprising:

the key cap is provided with a cavity and a bottom end opening communicated with the cavity, an identification pattern is arranged on the top surface of the key cap, the key cap vertically penetrates through a pre-pressing panel of the electronic equipment, the bottom end of the key cap extends out of the lower surface of the pre-pressing panel, and the top surface of the key cap extends out of the upper surface of the pre-pressing panel;

the connecting column is arranged below the pre-pressing panel, a through hole is formed in the connecting column, the through hole is communicated with the cavity, a clamping structure is arranged between the head end of the connecting column and the bottom end of the key cap, the clamping structure comprises a clamping groove and a clamping block inserted into the clamping groove, the clamping groove is formed in the key cap, and the clamping block is arranged on the connecting column;

the anti-falling mechanism is arranged on the bottom end of the key cap and used for limiting the key cap to be separated from the prepressing panel along the axis direction of the key cap;

the horizontal limiting mechanism is used for horizontally contacting with the keycaps to keep the keycaps horizontal, and is arranged on the head end of the connecting column and propped against the bottom ends of the keycaps;

the connecting seat is arranged below the connecting column and is in plug connection with the tail end of the connecting column, a light source is arranged in the connecting seat and positioned below the through hole, and the light source is used for generating light rays entering from the through hole and emitted from the top surface of the key cap.

2. The key structure of claim 1, wherein the anti-release mechanism comprises a plurality of anti-release blocks, and the plurality of anti-release blocks are arranged on the periphery of the bottom end of the key cap at intervals and are abutted against the lower surface of the pre-pressing panel.

3. The key structure according to claim 2, wherein a mating boss is provided on a head end of the connecting post, at least a part of the mating boss is adapted to be inserted into the cavity, and a shape of the mating boss is adapted to a shape of the key cap;

the matching boss is formed by protruding outwards along the circumferential direction of the connecting column, and the horizontal limiting mechanism and the clamping block are both arranged on the periphery of the matching boss.

4. The key structure of claim 3, wherein the horizontal limiting mechanism comprises a plurality of leveling blocks, and the plurality of leveling blocks are arranged on the periphery of the matching boss at intervals.

5. The key structure of claim 4, wherein a plurality of slots are formed on the bottom end of the key cap in a one-to-one correspondence with the leveling blocks, and the leveling blocks are adapted to be inserted into the corresponding slots.

6. The key structure according to claim 5, wherein the key cap is in a cylindrical structure, the number of the clamping grooves and the clamping blocks is at least two, the clamping grooves are arranged on the key cap at equal intervals along the circumferential direction, each clamping groove is respectively provided with an anti-falling block in a lamination manner on two sides of the key cap in the circumferential direction, and the anti-falling blocks are respectively provided with the slots in a lamination manner on one side, away from the clamping grooves in the lamination manner, of the key cap in the circumferential direction.

7. The key structure of claim 6, wherein the thickness of the leveling block and the thickness of the anti-drop block are the same as the depth of the slot, and the arrangement heights of the anti-drop block and the slot in the axial direction of the key cap are the same.

8. The key structure of claim 7, wherein the leveling block has a first free end remote from the mating boss, the anti-drop block has a second free end remote from the key cap, the end surfaces of the first free end and the second free end are curved surfaces with the same curvature, and the end surfaces of the first free end and the second free end are coplanar.

9. The key structure according to claim 1, wherein the connection base includes a lower housing, an upper housing slidably connected in the lower housing, and an elastic restoring member disposed between the upper housing and the lower housing, the connection post is connected with the upper housing in a plug-in manner, a light hole is disposed in the upper housing, the light hole is communicated with the through hole, and the light source is disposed in the lower housing and is disposed toward the light hole.

10. An electronic device comprising a key structure as claimed in any one of claims 1 to 9.