CN211376486U - Key structure and electronic equipment - Google Patents

Abstract

The utility model relates to a key structure and electronic equipment, the key structure comprises a key cap, a mounting plate, an elastic part and a pair of brackets, the mounting plate is provided with a through hole for the elastic part to pass through, the elastic part passes through the through hole and contacts with the key cap; an opening is formed in one side of each support, and the openings of the pair of supports form a space surrounding the elastic piece; the interval is provided with first calorie of axle and second card axle on the support, first calorie of axle with the buckle connection can be dismantled to the key cap, the second card axle with the mounting panel is articulated. The utility model provides a button structure, the centre of key cap is passed through elastic component direct contact and is supported, can dismantle the buckle installation through first card axle between key cap and the support, advances or break away from the equipment or the dismantlement that the key cap can be accomplished to first card axle card, and the dismouting is simple, can change the key cap under the condition of not tearing open the machine, has reduced the maintenance degree of difficulty and the cost of maintenance of key cap effectively.

Description

Key structure and electronic equipment

Technical Field

The utility model relates to a button technical field, more specifically say, relate to a button structure and electronic equipment.

Background

In the market of electronic devices, different customers usually need to customize various keys with different requirements, such as keys with different characters and colors. On the other hand, after the user uses the keyboard for a period of time, the phenomena of surface character abrasion, color deterioration and the like occur in the part of the frequently operated keys. At this time, convenient change key cap is a fairly convenient maintenance change mode.

In the key structure in the prior art, a keycap is usually assembled from the inside of a host or fixed by screws after being assembled from the outside, and the surface is kept flat by silica gel support; use glue between button key cap and the silica gel fixed, if single button has a problem, need whole button module to change usually, the maintenance degree of difficulty and cost are all higher. Another kind of button structure, the key cap design has the buckle structure that is used for preventing to drop, the dismouting of also being convenient for.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a button structure and electronic equipment is provided, and this button structure can change the key cap under the condition of not tearing open the machine, and convenient and fast is changed in the key cap maintenance.

The utility model provides a technical scheme that its technical problem adopted is: constructing a key structure, which comprises a key cap, a mounting plate, an elastic part and a pair of supports, wherein the mounting plate is provided with a through hole for the elastic part to pass through, and the elastic part passes through the through hole and is in contact with the key cap;

an opening is formed in one side of each support, and the openings of the pair of supports form a space surrounding the elastic piece;

the interval is provided with first calorie of axle and second card axle on the support, first calorie of axle with the buckle connection can be dismantled to the key cap, the second card axle with the mounting panel is articulated.

In some embodiments, the bracket is substantially U-shaped, and includes a second arm and two first arms respectively disposed at two ends of the second arm, and the first and second latch shafts are disposed on the first arms.

In some embodiments, the first latch shaft is disposed at one end of the first support arm connected to the second support arm, the second latch shaft is disposed at a middle portion of the first support arm, and the second latch shaft divides the first support arm into a first half arm connected to the second support arm and a second half arm far away from the second support arm.

In some embodiments, the first half arm and the second half arm are arranged at an obtuse angle, and a third clamping shaft is further arranged at one end of the second half arm, which is far away from the first half arm.

In some embodiments, the axial directions of the first latch shaft, the second latch shaft, and the third latch shaft are all parallel to the extending direction of the second support arm, the first latch shaft and the third latch shaft extend in the direction away from the opening, and the second latch shaft extends in the direction toward the opening.

In some embodiments, four corners of one side of the keycap facing the elastic member are provided with first clamping grooves, and the first clamping shaft is rotatably mounted in the first clamping grooves.

In some embodiments, the through-hole both sides edge of mounting panel extends towards the direction of key cap and is formed with the installation department, be equipped with on the installation department and supply the rotatable second draw-in groove of installing of second card axle.

In some embodiments, the mounting plate is a light guide plate, and the light guide plate is molded by liquid silicone.

In some embodiments, the elastic member is a silicone member, a gap is left between an outer wall of the elastic member and an inner wall of the opening, and a gap is left between the pair of brackets.

The utility model also provides an electronic equipment, be in including face-piece, setting circuit board in the face-piece and install at least one above-mentioned arbitrary button structure on the face-piece.

Implement the utility model discloses following beneficial effect has at least: the key structure of the utility model, the middle of the key cap is directly contacted and supported by the elastic part, the key cap and the bracket are installed by the first clamping shaft detachable buckle, the first clamping shaft is clamped into the key cap to assemble the key cap, the first clamping shaft is separated from the key cap to detach the key cap, the dismounting is simple, and the maintenance difficulty and the maintenance cost of the key cap are effectively reduced; the keycaps can be replaced without disassembling the machine, so that the damage to the interior of the product in the disassembling process of a customer group is avoided; under the prerequisite of not modifying the electronic equipment host computer, to the button demand of difference, can directly change the key cap, promote product shipment efficiency effectively, promote special occasion availability factor.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is an exploded schematic view of a key structure according to some embodiments of the present invention;

fig. 2 is an exploded view of a bracket according to some embodiments of the present invention;

FIG. 3 is a schematic diagram of a key structure according to some embodiments of the present invention after hiding a keycap;

FIG. 4 is a schematic diagram of an assembly structure of a keycap and a support according to some embodiments of the present invention;

fig. 5 is a cross-sectional view a-a of the key structure in a non-depressed state in some embodiments of the invention;

fig. 6 is a C-C cross-sectional view of a key structure in a pressed state according to some embodiments of the present invention.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-6, the key structure in some embodiments of the present invention may include a key cap 5, a mounting plate 2, a resilient member 3, and a pair of brackets 4.

The mounting plate 2 is provided with a through hole for the elastic element 3 to pass through, and the elastic element 3 passes through the through hole to contact with the keycap 5 so as to support the keycap 5. Further, the keycap 5 and the elastic piece 3 can be pre-pressed to keep the surface of the keycap 5 neat. In some embodiments, the elastic member 3 may be made of an elastic material such as silicon gel, and the key cap 5 may be made of a hard material such as plastic. The mounting plate 2 may be a light guide plate, which may be molded using liquid silicone.

The mounting plate 2 is connected with the keycap 5 through a support 4, and the support 4 can be made of wear-resistant materials such as nylon. The brackets 4 are provided with openings 46 at one side, and the openings 46 of the pair of brackets 4 form a space surrounding the elastic member 3. Further, a gap may be left between the inner wall of the opening 46 and the outer wall of the elastic member 3, and a gap may also be left between the two brackets 4 to avoid interference during rotation.

The pair of brackets 4 may be symmetrically wound around the outside of the elastic member 3. The bracket 4 is provided with a first clamping shaft 41 and a second clamping shaft 42 at intervals. Wherein, the support 4 is detachably connected with the keycap 5 through a first clamping shaft 41 in a buckling manner, and the support 4 is hinged with the mounting plate 2 through a second clamping shaft 42.

In some embodiments, the stand 4 is substantially U-shaped and includes a second arm 45 and two first arms 44 disposed at opposite ends of the second arm 45. The length of the second arm 45 may be greater than the length of the first arm 44, and the cross-sections of the first arm 44 and the second arm 45 may be substantially square. The second arm 45 may have a circular arc-shaped cross-section on the side away from the opening 46 to avoid scratching the key cap 5 when the support 4 rotates.

The first chuck shaft 41 and the second chuck shaft 42 are both disposed on the first arm 44. The first latch 41 may be disposed at an end of the first arm 44 connected to the second arm 45, and may be formed by extending the second arm 45. The second latch 42 may be disposed substantially in the middle of the first arm 44, dividing the first arm 44 into a first half 441 connected to the second arm 45 and a second half 442 remote from the second arm 45. Thus, after the key cap 5 is pressed, the support 4 rotates up and down around the second latch shaft 42, and when the second half arm 442 rotates up to contact the key cap 5, the second half arm is blocked by the key cap 5, so that excessive pressing can be avoided.

Further, the first half-arm 441 and the second half-arm 442 of the first arm 44 are disposed at an obtuse angle. In the non-pressed state, the second half arm 442 of the first arm 44 may extend horizontally, and the first half arm 441 may extend obliquely upward. In other embodiments, the second latch 42 may be disposed at an end of the first arm 44 away from the second arm 45.

Further, a third clamping shaft 43 may be further disposed at an end of the second half arm 442 away from the first half arm 441, and the first clamping shaft 41, the second clamping shaft 42, and the third clamping shaft 43 may be in a long cylindrical shape. In a natural non-pressing state, a space for the third clamping shaft 43 to rotate upwards is reserved between the third clamping shaft 43 and the keycap 5. After pressing, the third latch shaft 43 may be rotated up to contact the key cap 5, so that the contact area between the second half arm 442 and the key cap 5 may be increased.

The axial directions of the first latch shaft 41, the second latch shaft 42 and the third latch shaft 43 are all parallel to the extending direction of the second support arm 45. The first latch shaft 41 and the third latch shaft 43 may extend in a direction away from the opening 46, and may be formed by extending the outer wall surface of the first arm 44 perpendicularly outward. The second latch shaft 42 may extend in a direction toward the opening 46, which may be formed by an inner wall surface of the first arm 44 extending vertically inward.

Further, the length of the first half arm 441 may be greater than that of the second half arm 442, and the distance between the first latch shaft 41 and the second latch shaft 42 may be greater than that between the third latch shaft 43 and the second latch shaft 42. The first chuck shaft 41, the second chuck shaft 42 and the third chuck shaft 43 may be in a long cylindrical structure with equal diameter and length.

In some embodiments, a side of the key cap 5 facing the elastic member 3 is provided with a first locking groove 51, and the first locking shaft 41 is rotatably installed in the first locking groove 51. The keycap 5 is detachably connected with the support 4 through the first clamping shaft 41 and the first clamping groove 51 in a clamping manner. Further, the first locking grooves 51 may be disposed at four corners of one side of the key cap 5 facing the elastic member 3, and may be formed by extending the four corners of the key cap 5 toward the direction of the support 4. After the key cap 5 is assembled, the four corners of the key cap 5 are buckled and held in the vertical direction through the first clamping shaft 41 and the first clamping groove 51, and the key cap 5 is prevented from being separated from the support 4.

In some embodiments, the two ends of the key cap 5 facing the side of the elastic member 3 may further be provided with an avoiding groove 52 to provide a certain rotation space for the first arm 44.

In some embodiments, the mounting portion 52 is formed by extending two side edges of the through hole of the mounting plate 2 toward the keycap 5. The mounting portion 52 may be formed with a second engaging groove 21 for rotatably mounting the second engaging shaft 42. The mounting portion 52 is further concavely formed with steps 53 along both sides perpendicular to the axial direction of the second latch shaft 42, so that after the key cap 5 is pressed, the support 4 rotates up and down around the second latch shaft 42, and after the first half arm 441 rotates down to contact with the steps 53, the first half arm is blocked by the steps 53, thereby preventing excessive pressing.

The utility model discloses a key structure, the centre of key cap 5 is passed through elastic component 3 and is directly supported, and four angles of key cap 5 fall through the buckle cooperation support of first trip shaft 41 and first draw-in groove 51. During assembly, the support 4 is firstly installed on the installation plate 2, then the keycap 5 is installed, the first clamping shaft 41 is clamped into the first clamping groove 51, the assembly is completed, and the assembly is convenient and fast. The keycap 5 can be detached by detaching the first clamping groove 51 and the first clamping shaft 41 from each other, maintenance and replacement of the keycap 5 are completed, and the device is simple to disassemble and assemble and high in efficiency.

As shown in fig. 5, in the key structure, in a natural non-pressed state, the middle of the key cap 5 is directly supported by the elastic member 3, the second half arm 442 of the support 4 is horizontally disposed, and a certain rotation space is left between the second half arm 442 and the avoiding groove 52 of the key cap 5. The first half arm 441 of the bracket 4 is disposed obliquely upward, and the first locking shaft 41 and the first locking groove 51 are locked to each other.

As shown in fig. 6, in the pressed state of the key structure, the key cap 5 is pressed, the support 4 rotates up and down around the second shaft 42, and the elastic member 3 is pressed, thereby implementing the key function. The first half arm 441 of the support 4 rotates downward, the second half arm 442 rotates upward, and when the third shaft 43 at the end of the second half arm 442 rotates upward to contact the avoiding groove 52 on the key cap 5, it is pressed by the key cap 5, so that excessive pressing can be avoided.

The utility model also provides an electronic equipment, it includes face-piece 1, sets up circuit board 6 in face-piece 1 and installs at least one button structure on face-piece 1. The mounting plate 2 and the elastic piece 3 can be mounted on the circuit board 6, and the mounting plate 2 and the elastic piece 3 of the at least one key structure can be integrally formed to improve the processing efficiency. The keycaps 5 of each key structure are independently arranged so as to complete maintenance and replacement of a single keycap. The face shell 1 can be arranged on the mounting plate 2, and the face shell 1 and the mounting plate 2 can be positioned through the positioning holes and the positioning columns which are matched with each other. One side of the elastic part 3 facing the circuit board 6 can be provided with a key contact, and after the elastic part 3 is pressed, the elastic part is contacted with the circuit board 6 through the key contact to realize the key function. The utility model discloses a button structure, the stroke of button body needs articulated support to implement in coordination, needs certain length and width size during the use, therefore it is applicable to some large-scale button products more.

Implement the utility model discloses a button structure has following advantage:

a. the keycaps are fast and convenient to disassemble and assemble, and the maintenance difficulty and the maintenance cost of the keycaps are effectively reduced;

b. the keycaps can be replaced under the condition of not disassembling the machine, the disassembly and the assembly of the host structure are controlled, and the damage to the interior of a product in the disassembly and assembly process of a client group is avoided;

c. under the prerequisite of not modifying the electronic equipment host computer, to the button demand of difference, can directly change the key cap, promote product shipment efficiency effectively, promote special occasion availability factor.

It is to be understood that the above-described respective technical features may be used in any combination without limitation.

The above examples only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. A key structure is characterized by comprising a key cap (5), a mounting plate (2), an elastic piece (3) and a pair of supports (4), wherein the mounting plate (2) is provided with a through hole for the elastic piece (3) to pass through, and the elastic piece (3) passes through the through hole and is contacted with the key cap (5);

an opening (46) is formed in one side of each bracket (4), and the openings (46) of the pair of brackets (4) form a space surrounding the elastic piece (3);

the interval is provided with first calorie of axle (41) and second card axle (42) on support (4), first calorie of axle (41) with the buckle connection can be dismantled in key cap (5), second card axle (42) with mounting panel (2) are articulated.

2. The key structure of claim 1, wherein the support (4) is substantially U-shaped and comprises a second arm (45) and two first arms (44) respectively disposed at two ends of the second arm (45), and the first latch shaft (41) and the second latch shaft (42) are disposed on the first arms (44).

3. The key structure of claim 2, wherein the first latch shaft (41) is disposed at an end of the first arm (44) connected to the second arm (45), the second latch shaft (42) is disposed at a middle portion of the first arm (44), and the second latch shaft (42) divides the first arm (44) into a first half arm (441) connected to the second arm (45) and a second half arm (442) away from the second arm (45).

4. A key structure according to claim 3, characterized in that said first half-arm (441) and said second half-arm (442) are arranged at an obtuse angle, and a third latch shaft (43) is arranged at the end of said second half-arm (442) remote from said first half-arm (441).

5. The key structure according to claim 4, wherein the axial directions of the first latch shaft (41), the second latch shaft (42) and the third latch shaft (43) are all parallel to the extending direction of the second arm (45), the first latch shaft (41) and the third latch shaft (43) extend in the direction away from the opening (46), and the second latch shaft (42) extends in the direction toward the opening (46).

6. The key structure according to claim 1, wherein four corners of one side of the key cap (5) facing the elastic member (3) are provided with first locking grooves (51), and the first locking shaft (41) is rotatably mounted in the first locking grooves (51).

7. The key structure according to claim 1, wherein the through-hole of the mounting plate (2) has two side edges extending towards the key cap (5) to form a mounting portion (52), and the mounting portion (52) is provided with a second engaging groove (21) for rotatably mounting the second engaging shaft (42).

8. The key structure according to claim 1, wherein the mounting plate (2) is a light guide plate, and the light guide plate is formed by liquid silicone.

9. The key structure according to claim 1, wherein the elastic member (3) is a silicone member, a gap is left between an outer wall of the elastic member (3) and an inner wall of the opening (46), and a gap is left between the pair of supports (4).

10. An electronic device, characterized in that it comprises a front cover (1), a circuit board (6) arranged inside said front cover (1), and at least one key structure according to any one of claims 1-9 mounted on said front cover (1).

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