CN214982932U

CN214982932U - Key cap mould of notebook keyboard

Info

Publication number: CN214982932U
Application number: CN202121226406.3U
Authority: CN
Inventors: 王启磊
Original assignee: Chongqing Liancheng Mould Co ltd
Current assignee: Chongqing Liancheng Mould Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-03
Anticipated expiration: 2031-06-02

Abstract

The utility model relates to a technical field is made to notebook keyboard, discloses a notebook keyboard key cap mould, include: the mould body and be located mould benevolence, taper pin crochet hook and taper pin thimble board in the mould body, mould benevolence top surface are equipped with the groove structure that is used for forming key cap main part die cavity, and the taper pin is located the taper pin of mould benevolence and holds the intracavity, and the structure die cavity at taper pin top with groove structure intercommunication, the taper pin bottom is connected the top of taper pin crochet hook, taper pin thimble board is connected to taper pin crochet hook bottom, and the cross sectional dimension of taper pin crochet hook is greater than the cross sectional dimension of taper pin. The utility model discloses a structure of short taper pin and taper pin crochet hook combination replaces traditional long taper pin, and short taper pin rigidity reinforcing, processing is easier and non-deformable, and the taper pin crochet hook is thicker, and the rigidity is stronger, and in the mould equipment in-process, the precision of connection structure position in the key cap main part after the shaping of taper pin top has been guaranteed to all indeformable of taper pin and taper pin crochet hook to key cap product quality has been promoted.

Description

Key cap mould of notebook keyboard

Technical Field

The utility model relates to a technical field is made to the notebook keyboard, in particular to notebook keyboard key cap mould.

Background

As shown in fig. 1, a conventional key cap mold for a keyboard of a notebook computer includes: the key cap forming die comprises an upper die 1 and a lower die 2 (the surface indicated by a dotted arrow is used as a boundary), wherein a main die cavity for key cap forming is formed on the matching surface of the upper die 1 and the lower die 2, specifically, an upper die core 10 in the upper die 1 and a lower die core 11 in the lower die are matched to form the main die cavity, and a plurality of upper die cores 10 and lower die cores 11 can be arranged in one die to form an array after being matched, so that a plurality of key caps are formed at one time. The key cap is not just a flat plate, and the side of the key cap facing the scissors (key support) is provided with connecting structures connected with the scissors, the connecting structures are small in size, as shown in fig. 2 and 3, in the existing die structure, a structural die cavity 31 at the top of an inclined pin 3 is usually communicated with a main body die cavity to form a complete key cap die cavity, and after glue injection molding and demolding, the connecting structures with small sizes are convenient for the key cap main body to be integrally molded. Specifically, when the mold is assembled, the angle pin 3 is installed in a corresponding accommodating cavity in the lower mold core 11, and the protrusion 32 at the bottom of the angle pin 3 is hooked in the transverse groove 41 of the angle pin ejector plate 6 to fix the angle pin 3, so that the structural mold cavity 31 at the top of the angle pin 3 can be accurately aligned with the main body mold cavity.

In a conventional mold, the length of the taper pin 3 is long, usually about 75mm, and it can be called long taper pin, and the side length of the cross section is not more than 2mm, and it is a thin rod structure, and the structure is not rigid enough, and the longer the structure, the easier the deformation occurs, for example: in its course of working, will keep unanimous thickness on length direction, the degree of difficulty is great, the long degree of difficulty is big more, during processing top structure die cavity 31, the slender pole receives the easy deformation that produces of exogenic action, the size that leads to taper pin 3 has the deviation, or in the mould equipment in-process, receive the extrusion to produce deformation, it has the deviation to lead to structure die cavity 31 and main part die cavity counterpoint, in a word this kind of long size taper pin 3 can lead to fashioned connection structure position in the key cap main part inaccurate to great degree ground, there is the deviation, the key cap is difficult or even unable installation when installing on the scissors.

SUMMERY OF THE UTILITY MODEL

The utility model provides a notebook keyboard key cap mould, longer taper pin leads to fashioned connection structure position in the key cap main part not accurate in solving traditional mould, has the problem of deviation.

The utility model discloses a notebook keyboard key cap mould, include: the mould comprises a mould body, a mould core, an inclined pin crochet hook and an inclined pin thimble plate, wherein the mould core, the inclined pin crochet hook and the inclined pin thimble plate are arranged in the mould body, a groove structure used for forming a mould cavity of a key cap main body is arranged on the surface of the top of the mould core, the inclined pin is positioned in an inclined pin accommodating cavity of the mould core, the structure mould cavity at the top of the inclined pin is communicated with the groove structure, the bottom of the inclined pin is connected with the top of the inclined pin crochet hook, the bottom of the inclined pin crochet hook is connected with the inclined pin thimble plate, and the cross section size of the inclined pin crochet hook is larger than that of the inclined pin.

Wherein, the angle pin and the angle pin crochet hook are detachably connected.

The bottom of the angle pin is provided with a bulge, the top of the angle pin crochet hook is provided with a slot for inserting the bulge, and the bottom of the angle pin crochet hook is provided with a bulge for inserting a transverse groove of the angle pin ejector plate.

Wherein, the angle pin crochet hook and the angle pin are of an integrated structure.

Wherein, still include: the anti-slip key comprises an anti-slip pin, an anti-slip pin crochet hook and an anti-slip pin thimble plate, wherein the anti-slip pin thimble plate is positioned on the inclined pin thimble plate, the anti-slip pin is positioned in an anti-slip pin accommodating cavity of the die core, the top of the anti-slip pin is positioned on one side edge of a die cavity of the key cap main body, a step for supporting the edge of the formed key cap is formed, the bottom of the step is connected with the top of the anti-slip pin crochet hook, and the bottom of the anti-slip pin crochet hook is connected with the anti-slip pin thimble plate.

For a key cap main body die cavity, two opposite sides of the key cap main body die cavity are respectively provided with one anti-slip pin, and one anti-slip pin is respectively connected with one anti-slip pin crochet needle.

The utility model discloses an among the notebook keyboard key cap mould, the structure that adopts taper pin and taper pin crochet hook combination replaces traditional long taper pin, consequently the utility model discloses a taper pin length can shorten to 30 ~ 35mm, can be called short taper pin, and short taper pin rigidity reinforcing, processing is easier, also non-deformable in the course of working, and the taper pin crochet hook is thick also has stronger rigidity, and in the mould equipment in-process, taper pin and taper pin crochet hook are all non-deformable, have guaranteed the connection structure after the shaping of taper pin top in the precision of key cap main part position to key cap product quality has been promoted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic structural diagram of a key cap mold (an upper mold and a lower mold combined) of a conventional notebook keyboard;

FIG. 2 is a schematic diagram of a taper pin structure in a key cap mold of the notebook keyboard of FIG. 1;

FIG. 3 is a side view of FIG. 2;

FIG. 4 is a schematic structural diagram of a key cap mold (portion below the dotted arrow) of a keyboard of a notebook computer according to the present invention;

FIG. 5 is a schematic diagram of a taper pin crochet hook structure in the key cap mold of the notebook keyboard of FIG. 4;

FIG. 6 is a side view of FIG. 5;

FIG. 7 is a schematic view of a stop slide pin (top) of the key cap mold of the notebook keyboard of FIG. 4.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In this embodiment, a case where the key cap mold of the keyboard of the notebook computer is used as a lower mold is explained, as shown in fig. 4, the key cap mold includes: mould body 2 (be the lower mould, lower mould and last mould 1 form complete key cap mould after closing) and be located mould benevolence (lower mould benevolence 11) of mould body 2, taper pin 3, taper pin crochet hook 5 and taper pin thimble board 6, the 11 top surface of lower mould benevolence is equipped with the groove structure that is used for forming the key cap body die cavity, taper pin 3 is located the taper pin of lower mould benevolence 11 and holds the intracavity, and the structure die cavity and the groove structure intercommunication at taper pin 3 top, the top of taper pin crochet hook 5 is connected to taper pin 3 bottom, taper pin thimble board 6 is connected to taper pin crochet hook 5 bottom, taper pin 3 is withstood to taper pin 5, make the structure die cavity at taper pin 3 top counterpoint with key cap main part die cavity accuracy, the cross sectional dimension of taper pin crochet hook 5 is greater than the cross sectional dimension of taper pin 3 (can be cross sectional side length or diameter), taper pin crochet hook 5 is coarser than taper pin 3, the rigidity is stronger.

In the notebook keyboard key cap mould of this embodiment, the structure that adopts

taper pin

3 and 5 combinations of taper pin crochet hook replaces traditional long taper pin, consequently the utility model discloses a length of taper pin 3 can shorten to 30 ~ 35mm, can be called short taper pin, and short taper pin rigidity reinforcing, processing is easier, also non-deformable in the course of working, and taper pin crochet hook 5 is thick also has stronger rigidity, and in the mould equipment process,

taper pin

3 and 5 all non-deformable of taper pin crochet hook have guaranteed the precision of the connection structure position in the key cap main part after the shaping of taper pin 3 top to key cap product quality has been promoted.

In this embodiment, the top and bottom structures of the angle pin 3 are substantially the same as the long angle pins of the prior art, as can be seen in fig. 2 and 3, and the shape of the structural cavity 31 at the top can vary from keyboard model to keyboard model. The angle pin 3 and the angle pin crochet hook 5 are detachably connected, so that the angle pin crochet hook 5 can be matched with the angle pin 3 of the die cavity 31 with different structures at the top. Specifically, the taper pin 3 is provided at the bottom with a projection 32, and as shown in fig. 5 and 6, the taper pin bearded needle 5 is provided at the top with an insertion groove 51 for inserting the projection 32, and at the bottom with a projection 52 for inserting a lateral groove of the taper pin ejector plate 6 (similar to the taper pin front plate of the long taper pin structure, except that the taper pin ejector plate 6 is moved to a position near the bottom of the lower mold).

The angle pin crochet hook 5 and the angle pin 3 can also be an integrated structure, and the rigidity is stronger.

The notebook keyboard key cap mould of this embodiment still includes: the anti-slip pin structure comprises an anti-slip pin 7, an anti-slip pin crochet hook 8 and an anti-slip pin thimble plate 9, wherein the anti-slip pin thimble plate 9 is positioned on the inclined pin thimble plate 7, the anti-slip pin 7 is positioned in an anti-slip pin accommodating cavity of a lower die core 11, the top of the anti-slip pin 7 is positioned on one side edge of a die cavity of a key cap main body, a step 71 (shown in figure 7) for supporting the edge of a molded key cap is formed, the key cap is convenient to eject during demoulding, the bottom of the anti-slip pin 7 is connected with the top of the anti-slip pin crochet hook 8, and the bottom of the anti-slip pin crochet hook 8 is connected with the anti-slip pin thimble plate 9. Wherein, the bottom structure of the anti-skid pin 7 is similar to that of the inclined pin 3. Referring to fig. 5 and 6, the structure of the slip stop pin bearded needle 8 is substantially the same as that of the oblique pin bearded needle 5, and is different in length.

For a key cap main body die cavity, two opposite sides of the key cap main body die cavity are respectively provided with a non-slip pin 7, and the non-slip pins 7 are respectively connected with a non-slip pin crochet hook 8. The steps 71 of the anti-slip pin 7 are oppositely arranged to clamp the formed keycap, so that the keycap is prevented from sliding in the demolding process.

The connecting structure of the anti-slip pin 7 and the anti-slip pin crochet hook 8 can be a detachable connection or an integrated structure.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a notebook keyboard key cap mould which characterized in that includes: the mould comprises a mould body, a mould core, an inclined pin crochet hook and an inclined pin thimble plate, wherein the mould core, the inclined pin crochet hook and the inclined pin thimble plate are arranged in the mould body, a groove structure used for forming a mould cavity of a key cap main body is arranged on the surface of the top of the mould core, the inclined pin is positioned in an inclined pin accommodating cavity of the mould core, the structure mould cavity at the top of the inclined pin is communicated with the groove structure, the bottom of the inclined pin is connected with the top of the inclined pin crochet hook, the bottom of the inclined pin crochet hook is connected with the inclined pin thimble plate, and the cross section size of the inclined pin crochet hook is larger than that of the inclined pin.

2. The keyboard key cap mold of claim 1, wherein the angle pin and the angle pin crochet hook are removably connected.

3. The key cap mold of the notebook keyboard according to claim 2, wherein the bottom of the angle pin is provided with a protrusion, the top of the angle pin crochet hook is provided with a slot for inserting the protrusion, and the bottom is provided with a protrusion for inserting the transverse slot of the angle pin ejector plate.

4. The keyboard key cap mold of claim 1, wherein the angle pin crochet and angle pin are a unitary structure.

5. The key cap mold of the keyboard of any one of claims 1 to 4, further comprising: the anti-slip key comprises an anti-slip pin, an anti-slip pin crochet hook and an anti-slip pin thimble plate, wherein the anti-slip pin thimble plate is positioned on the inclined pin thimble plate, the anti-slip pin is positioned in an anti-slip pin accommodating cavity of the die core, the top of the anti-slip pin is positioned on one side edge of a die cavity of the key cap main body, a step for supporting the edge of the formed key cap is formed, the bottom of the step is connected with the top of the anti-slip pin crochet hook, and the bottom of the anti-slip pin crochet hook is connected with the anti-slip pin thimble plate.

6. The key cap mold of the notebook keyboard of claim 5, wherein for a key cap body mold cavity, two opposite sides of the key cap body mold cavity are respectively provided with one of the anti-slip pins, and one of the anti-slip pins is respectively connected with one of the anti-slip pin crochet hooks.