CN205139847U

CN205139847U - Bullet spare and use its button

Info

Publication number: CN205139847U
Application number: CN201590000011.8U
Authority: CN
Inventors: 袁建君
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-02-04
Filing date: 2015-02-04
Publication date: 2016-04-06
Anticipated expiration: 2025-02-04
Also published as: WO2016123757A1

Abstract

The utility model provides a bullet spare, including bullet spare body, bullet spare body is the bowl type of back -off, bullet spare body includes top surface and lateral wall, the top surface is a downwards concave face, top surface edge upper end has the fixed loop, top surface lower surface center is equipped with the trigger point. According to the technical solution, the utility model provides a bullet spare is in the use, and the lateral wall produced deformation when the atress pushed down the top surface promotes downwards the trigger point contacts with the contact that established the below, in the contact the lateral wall continue deformation and the deformation that the radian of top surface begins to take place upwards to heave has brought the surplus stroke for the bullet spare process of pushing down, that is to say the trigger point switches on when contacting with the contact, and the deformation of top surface is in the trigger point begins after being obstructed, and such surplus stroke that brings has feeling of good similar mechanical button.

Description

A kind of bullet part and apply its button

Technical field

The utility model belongs to electronic signal input equipment field, particularly relates to a kind of keyboard structure.

Background technology

At present, computer keyboard many employings monomer keystrokes switch combination structure, monomer keystrokes is made up of keycap, push rod, silica gel bullet part and thin film circuit usually, keycap and push rod integrally formed, silica gel bullet part is located at below push rod, and described thin film circuit is located at below described silica gel bullet part, during use, by pressing keycap, drive push rod presses down, and then, is depressed on thin film circuit by silica gel bullet part, make thin film circuit conducting, thus play the effect of input, decontrol keycap, under the elastic force effect of silica gel bullet part, push rod upwards, makes thin film circuit disconnect.The button of this structure, it only has two states, and one is disconnect, and one is conducting, and push rod, after its conducting, does not have stroke down again.If when the button of this structure is applied in gamepad, it has following shortcoming: one, and the feel of player is poor; Two, sensitivity is not high; Three, speed is slow.

As depicted in figs. 1 and 2, Fig. 1 is that prior art is hit by a bullet part normality, Fig. 2 is the deformation state after stressed pressing down, can find out by attached Fig. 1 and 2 is clear, the trigger point of stressed rear bullet part move downward put in place after then cannot carry out continuation run, so do not have remainder stroke, user's feel is very poor, cannot enjoy the impression of smooth button.

Utility model content

The purpose of this utility model is to provide a kind of bullet part, is intended to solve the slow-footed problem of bullet part feel of the prior art difference.

The utility model is achieved in that a kind of bullet part, comprises bullet part body, described bullet part body is the bowl-type of back-off, and described bullet part body comprises end face and sidewall, and described end face is one to concave surface, described top edge upper end has set collar, and described end face lower surface center is provided with trigger point.

Preferably, described end face is rounded, and described top surface area is less than described bullet part body lower opening area.

Preferably, the inwall of described sidewall is provided with multiple auxiliary contact perpendicular to surface level.

Preferably, multiple described bullet part body is by one-body molded with material film with described bullet part body, and described bullet part body distributing position on the membrane distributes corresponding with keyboard.

Preferably, described bullet part body adopts silica gel material die sinking injection mo(u)lding.

The utility model also provides a kind of button, comprise above-mentioned bullet part, above described bullet part, keycap is set, the inside of described keycap is provided with the push rod matched with described set collar, PET circuit is provided with below described bullet part, described bullet part lower opening cover is buckled on the contact of described PET circuit, and described trigger point is the described contact of bar-shaped correspondence.

Use technique scheme, bullet part provided by the utility model in use, stressed when pressing down sidewall produce end face described in deformation and promote the contact set by described trigger point and below downwards, the deformation that the radian that described sidewall continues deformation and described end face while contact starts to occur upwards to heave presses down process to bullet part and brings remainder stroke, that is the conducting when described trigger point and contact, and the deformation of described end face starts after being obstructed in described trigger point, remainder stroke brought like this has the feel of good similar mechanical key.

Accompanying drawing explanation

Fig. 1 is the bullet part normality side schematic view that prior art provides;

Fig. 2 is the side schematic view after bullet part that prior art provides presses down deformation;

Fig. 3 is the bullet part normality side schematic view that the utility model provides;

Fig. 4 triggers electrical contact contact side schematic view after bullet part that the utility model provides presses down deformation;

Fig. 5 is that bullet part that the utility model provides presses down remainder stroke side schematic view after deformation conducting;

Fig. 6 is the bullet part vertical view that the utility model provides;

Fig. 7 is the button side sectional view that the utility model provides.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.

Shown in Fig. 3-Fig. 6, the present embodiment provides a kind of bullet part, comprise bullet part body 10, the bowl-type of described bullet part body 10 in back-off, described bullet part body 10 comprises end face 20 and sidewall 30, described end face 20 is one to concave surface, and upper end, described end face 20 edge has set collar 40, and described end face 20 lower surface center is provided with trigger point 21.Use technique scheme, bullet part provided by the utility model in use, stressed when pressing down sidewall 30 produce end face 20 described in deformation and promote described trigger point 21 and the contact set by below downwards, the deformation that the radian that described sidewall 30 continues deformation and described end face 20 while contact starts to occur upwards to heave presses down process to bullet part and brings remainder stroke, that is in described trigger point 21 and conducting during contact, and the deformation of described end face 20 starts after being obstructed in described trigger point 21, remainder stroke brought like this has the feel of good similar mechanical key.Described end face 20 is rounded, and described end face 20 area is less than described bullet part body 10 lower opening area, described end face 20 occupy the overcentre of described bullet part body 10 lower opening, and described end face 20 vertical downward movement after described bullet part pressurized, can be caused, described sidewall 30 carries out inside deformation.In order to increase feel further, namely pressing down in process the upwards resistance improving described sidewall 30, the inwall of described sidewall 30 is provided with multiple auxiliary contact 31 perpendicular to surface level, the present embodiment adopts the structure of eight auxiliary contact 31, certain resistance can be given stressed the pressing down in process of described bullet part by the setting of described auxiliary contact 31, make to press down feel in process more level and smooth, when in pressurized sidewall 30 deformation process, described auxiliary contact 31 push up pressure laterally and top is pressed onto described sidewall 30 vertical component thus makes sidewall 30 deformation have larger elasticity.

Generally for and can enhance productivity, by multiple described bullet part body by one-body molded with material film with described bullet part body, described bullet part body 10 adopts silica gel material die sinking injection mo(u)lding, described bullet part body 10 distributing position on the membrane distributes corresponding with keyboard, in assembling process, one deck is layered on circuit.

The utility model also provides a kind of button, with reference to shown in Fig. 7, comprise above-mentioned bullet part, above described bullet part, keycap 50 is set, the inside of described keycap 50 is provided with the push rod 51 matched with described set collar 40, be provided with PET circuit 60 below described bullet part 10, described bullet part 10 lower opening cover is buckled on the contact of described PET circuit 60, and described trigger point is the described contact of bar-shaped correspondence.Contact after the set collar carrying out pushing described bullet part 10 by the push rod 51 be wholely set below keycap 50 makes it impel sidewall deformation on top, described trigger point pressure PET circuit 60 thus turning circuit signal, and the reacting force that trigger point described in described set collar continuation pressurized process gives end face causes described end face to carry out upwards bulging, give user more remainder stroke, bring the feel of mechanical key can reach sensitive reaction simultaneously.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.

Claims

1. a bullet part, comprises bullet part body, and described bullet part body is the bowl-type of back-off, it is characterized in that, described bullet part body comprises end face and sidewall, and described end face is one to concave surface, described top edge upper end has set collar, and described end face lower surface center is provided with trigger point.

2. bullet part as claimed in claim 1, it is characterized in that, described end face is rounded, and described top surface area is less than described bullet part body lower opening area.

3. bullet part as claimed in claim 2, it is characterized in that, the inwall of described sidewall is provided with multiple auxiliary contact perpendicular to surface level.

4. the bullet part as described in any one of claim 1-3, is characterized in that, multiple described bullet part body is by one-body molded with material film with described bullet part body, and described bullet part body distributing position on the membrane distributes corresponding with keyboard.

5. bullet part as claimed in claim 4, is characterized in that, described bullet part body adopts silica gel material die sinking injection mo(u)lding.

6. a button, comprise the bullet part described in any one of the claims 1-5, it is characterized in that, above described bullet part, keycap is set, the inside of described keycap is provided with the push rod matched with described set collar, be provided with PET circuit below described bullet part, described bullet part lower opening cover is buckled on the contact of described PET circuit, and described trigger point is the described contact of bar-shaped correspondence.