CN210552714U

CN210552714U - Portable keyboard's key-holder injection mold

Info

Publication number: CN210552714U
Application number: CN201921164665.0U
Authority: CN
Inventors: 顾小美
Original assignee: XINHOU PRECISION INDUSTRY (SUZHOU) CO LTD
Current assignee: XINHOU PRECISION INDUSTRY (SUZHOU) CO LTD
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-05-19
Anticipated expiration: 2029-07-23

Abstract

The utility model provides a key support injection mold of portable keyboard, at first the master model has been set up, be equipped with a plurality of first cavity units in it, the first injection molding of fixedly connected with in the first cavity unit, circular through-hole has been seted up to the intermediate position of first injection molding, the relative both sides of circular through-hole respectively are provided with a square through-hole, be equipped with a plurality of second cavity units in the public mould, the fixedly connected with second injection molding in the second cavity unit, the intermediate position of second injection molding is seted up flutedly, the relative both sides of recess respectively are provided with a limiting plate, the limiting plate supports the bottom surface of master model, the relative both sides of public mould respectively are provided with a fan-shaped lug. The utility model discloses compare in prior art and reduced the compression and the resilience distance of key-press support, make on its keyboard that is applicable to small, portable.

Description

Portable keyboard's key-holder injection mold

Technical Field

The utility model relates to a keyboard key-holder particularly, relates to a key-holder injection mold of portable keyboard.

Background

The computer is widely used in the current society, a keyboard is used as a main input device, no matter a notebook computer or a desktop computer has requirements on the light and thin performance of the keyboard, the existing light and thin keyboard is mainly a scissor-foot type key keyboard, the market is occupied due to good hand feeling, light weight and thin size, a scissor-foot type key support is composed of an inner scissor and an outer scissor to form an X-shaped framework, and the inner scissor and the outer scissor need to be subjected to injection molding and then installed.

The structure of the key support plays a key role in the hand feeling and the quality of the keys, and the key supports with different structures on the market are good and bad, so that a key support with more balanced capacity is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a key support injection mold of portable keyboard has reduced key support's compression and resilience distance, makes it be applicable to on small, portable's the keyboard.

Therefore, the utility model provides a key support injection mold of portable keyboard, at first, the master model has been set up, be equipped with a plurality of first cavity units in it, the first injection molding of fixedly connected with in the first cavity unit, circular through-hole has been seted up to the intermediate position of first injection molding, circular through-hole's relative both sides respectively are provided with a square through-hole, be equipped with a plurality of second cavity units in the public mould, the second injection molding of fixedly connected with in the second cavity unit, the intermediate position of second injection molding is seted up flutedly, the relative both sides of recess respectively are provided with a limiting plate, the limiting plate supports the bottom surface of master model, the relative both sides of public mould respectively are provided with a fan-shaped lug.

Furthermore, the two limiting plates are arc-shaped plates, and arc-shaped surfaces of the two limiting plates face to the center of the groove.

Furthermore, one side of the limiting plate is provided with a notch, and the notch and the side end surface of the limiting plate form a step surface.

Further, the notch is an arc notch.

Furthermore, a first inclined plane is formed on the first side wall of the fan-shaped convex block, and a second inclined plane is formed on the second side wall of the fan-shaped convex block.

Furthermore, the first inclined plane is a bending plane, and the second inclined plane is an arc surface.

The utility model provides an among the key support injection mold of portable keyboard, mainly set up first injection molding and second injection molding, constitute X support through the joint after both injection moulding, because the utility model discloses be applied to portable keyboard, the high lower of its X support that appears has adopted fan-shaped lug structure in order to compensate the resilience force problem that highly insufficient brought, and it has seted up face of bending and cambered surface, and two resilience faces cooperate and play the effect of reinforcing resilience force.

Therefore, compared with the prior art, the structure has the following advantages:

1. the rebound height is low, and the keyboard is suitable for a keyboard which is small in size and convenient to carry;

2. the reaction efficiency of the resilience is higher and is not weaker than that of a large keyboard;

3. simple structure and long service life.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural view of a female mold in a key holder injection mold of a portable keyboard according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a male mold in a key holder injection mold of a portable keyboard according to an embodiment of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 1.

Fig. 4 is an enlarged view of a portion B in fig. 2.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1 to 4, the embodiment of the utility model provides a pair of key support injection mold of portable keyboard, it has at first set up master model 1, be equipped with a plurality of first cavity units in it, the first injection molding of fixedly connected with 2 in the first cavity unit, circular through-hole 21 has been seted up to the intermediate position of first injection molding 2, the relative both sides of circular through-hole 21 respectively are provided with a square through hole 22, be equipped with a plurality of second cavity units in the public mould 3, fixedly connected with second injection molding 4 in the second cavity unit, the intermediate position of second injection molding 4 is seted up flutedly 41, the relative both sides of recess 41 respectively are provided with a limiting plate 42, limiting plate 42 supports the bottom surface of master model 1, the relative both sides of public mould 3 respectively are provided with a fan-shaped convex block 31.

Referring to fig. 1 to 4, the two limiting plates 42 are arc-shaped plates, the arc-shaped surfaces 421 face the center of the groove 41, a notch 422 is formed in one side of the limiting plate 42, the notch and the side end surface of the limiting plate form a stepped surface, the notch 422 is an arc-shaped notch, a first inclined surface 311 is formed on the first side wall of the fan-shaped projection 31, a second inclined surface 312 is formed on the second side wall of the fan-shaped projection 31, the first inclined surface 311 is a bent surface, and the second inclined surface 312 is an arc surface.

3. simple structure and long service life.

Example two:

referring to fig. 1 to fig. 4, the key holder injection mold of a portable keyboard according to an embodiment of the present invention is shown in the drawings, and the present embodiment further makes the following technical solutions as improvements on the basis of the above embodiments: be equipped with a plurality of second cavity units in the public mould 3, fixedly connected with second injection molding 4 in the second cavity unit, the intermediate position of second injection molding 4 is seted up flutedly 41, and a plurality of rectangular channels of evenly arranging are seted up to the bottom surface of recess 41, constitutes in the rectangular channel and keeps away a space, and this keeps away a space and can play the cushioning effect when key support pushes down, improves the use of keyboard and feels.

Example three:

referring to fig. 1 to fig. 4, a key holder injection mold of a portable keyboard according to a third embodiment of the present invention is shown in the drawings, and the present embodiment further makes the following technical solutions as improvements on the basis of the above embodiments: the opposite two sides of the male die 3 are respectively provided with a fan-shaped convex block 31, the first side wall of the fan-shaped convex block 31 is provided with a first inclined surface 311, the second side wall of the fan-shaped convex block 31 is provided with a second inclined surface 312, the first inclined surface 311 is a bending surface, the second inclined surface 312 is an arc surface, the bending surface and the arc surface are both provided with a wavy surface, and then the rebound effect is improved, so that the use hand feeling of the key is more crisp.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a key support injection mold of portable keyboard which characterized in that includes:

the injection molding die comprises a female die (1), wherein a plurality of first cavity units are arranged in the female die, a first injection molding part (2) is fixedly connected in each first cavity unit, a circular through hole (21) is formed in the middle of each first injection molding part (2), and two square through holes (22) are respectively formed in two opposite sides of each circular through hole (21);

public mould (3) is equipped with a plurality of second cavity units in it, fixedly connected with second injection molding (4) in the second cavity unit, the intermediate position of second injection molding (4) is seted up flutedly (41), the relative both sides of recess (41) respectively are provided with a limiting plate (42), limiting plate (42) support the bottom surface of master model (1), the relative both sides of public mould (3) respectively are provided with a fan-shaped lug (31).

2. The key-holder injection mold of a portable keyboard according to claim 1, wherein the two limiting plates (42) are arc-shaped plates, and the arc-shaped surfaces (421) of the two limiting plates face to the center of the groove (41).

3. The injection mold for the key holder of the portable keyboard as claimed in claim 1 or 2, wherein a notch (422) is formed at one side of the limiting plate (42), and the notch and the side end surface of the limiting plate form a step surface.

4. The key holder injection mold of a portable keyboard according to claim 3, wherein the notch (422) is an arc-shaped notch.

5. The injection mold for key holders of a portable keyboard as claimed in claim 1, wherein a first side wall of the fan-shaped protrusion (31) defines a first inclined surface (311), and a second side wall of the fan-shaped protrusion (31) defines a second inclined surface (312).

6. The portable keyboard's key-holder injection mold of claim 5, wherein the first inclined surface (311) is a bent surface, and the second inclined surface (312) is an arc surface.