CN217690907U

CN217690907U - Keyboard optical axis of crater structure

Info

Publication number: CN217690907U
Application number: CN202220386587.4U
Authority: CN
Inventors: 刘丰
Original assignee: Dongguan Weiji Electronic Technology Co ltd
Current assignee: Dongguan Weiji Electronic Technology Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-10-28
Anticipated expiration: 2032-02-23

Abstract

The utility model discloses a keyboard optical axis of volcanic vent structure, including PCB board, axis body and key body, the middle part of PCB board is equipped with the through-hole, the both sides that the through-hole is relative are equipped with receiving part and transmitting part, the outside of axis body is equipped with the elastic drive portion that the arc set up, the key body is connected with the axis body to can drive the axis body and stretch into the through-hole and shelter from the position of receiving part and transmitting part and withdraw from vertical removal between the position of through-hole. Divide into the keyboard optical axis PCB board, the axis body and key body, the outer wall through the axis body sets up the elastic drive portion (be the volcanic vent structure) of arc form, when needs use, press down the key body and make the axis body stretch into in the through-hole, thereby sheltered from the light conduction between receiving part and the transmitting part, corresponding data signal is launched promptly, a structure is simple, and the use is stable, simultaneously through the resilience of elastic drive portion can make the reseing of axis body quicker, reduce the condition that the spurious triggering or less trigger (promptly press the dual elasticity of splenium and axis body to reset).

Description

Keyboard optical axis of crater structure

Technical Field

The utility model relates to a keyboard optical axis field, in particular to keyboard optical axis of crater structure.

Background

Mechanical keyboards are popular with many computer users, programmers and game players because each key has a separate switch to control the closing, so that the key has a strong sense of paragraph, resulting in a special feel for game play.

The optical axis is the axis of the keyboard using optical principles. The optical axis is very early to emerge, but because the cost is almost the same as that of a mechanical keyboard, the number of supported manufacturers is small, and the price advantage is lacked, so the optical axis is not popularized to a large extent all the time, and the optical axis is rare in the market. Although small, it also has its own advantages. The mechanical shaft is contacted with a contact point after being pressed to complete key triggering, and the optical shaft is connected or blocked to complete light path triggering.

The conventional optical axis structure generally adopts a vertical structure, so that the rebounding of a key body is realized, but the key body with the vertical structure has the condition of less triggering or false triggering under the condition that a single key is repeatedly pressed, so that the precision of a keyboard is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a keyboard optical axis of scissors foot structure, aim at the structure through changing the optical axis, make the optical axis intercommunication realize triggering of circuit and connect, and bounce-back is accurate, effectively improves the use accuracy of optical axis.

In order to achieve the above object, the utility model provides a keyboard optical axis of volcanic vent structure, include:

the PCB board, the middle part of the said PCB board has through holes, the opposite both sides of the said through hole have receiving department and transmitting department;

the elastic driving part is arranged on the outer side of the shaft body in an arc shape;

the key body is connected with the shaft body and can drive the shaft body to vertically move between the positions of extending into the through hole, shielding the receiving part and the transmitting part and exiting the through hole.

Preferably, the elastic driving part is silica gel.

Preferably, the elastic driving portion is a light shielding portion.

Preferably, the elastic driving part is gradually expanded in diameter downwards from the optical axis and vertically extends to the positioning part at the bottom end.

Preferably, the shaft body has a cross shape.

Preferably, the elastic driving part is arc-shaped.

Preferably, the key body includes a fixing seat arranged on the PCB and a pressing portion slidably mounted on the fixing seat, and the pressing portion is connected with the shaft body.

Preferably, the fixing seat is provided with a limiting part matched with the arc-shaped elastic driving part.

Preferably, the fixing base is provided with at least two guide grooves, and the pressing portion is provided with a guide post matched with the guide grooves.

Preferably, a clamping portion extends from the guide groove, and the guide post is provided with a clamping hook matched with the clamping portion.

The utility model discloses technical scheme divide into the keyboard optical axis PCB board, the axis body and the key body, the outer wall through the axis body sets up the elastic drive portion (the volcanic vent structure promptly) of arc form, when needs use, press down the key body and make the axis body stretch into in the through-hole, thereby sheltered from the light conduction between receiving part and the transmitting part, corresponding data signal launches promptly, a structure is simple, and the use is stable, simultaneously through the resilience of elastic drive portion can make the reseing of axis body rapider, reduce the condition that the spurious triggering or trigger less (pressing the dual elasticity of splenium and axis body promptly and reseing).

Drawings

Fig. 1 is a sectional view of the present invention;

FIG. 2 is a perspective view of the present invention;

fig. 3 is a partial half sectional view of the present invention.

In the figure, 1 is a PCB, 11 is a through hole, 12 is an emitting portion, 13 is a receiving portion, 2 is a shaft, 21 is an elastic driving portion, 22 is a positioning portion, 3 is a key body, 31 is a fixing base, 32 is a pressing portion, 4 is a limiting portion, 51 is a guide groove, 52 is a guide post, 61 is a clamping portion, and 62 is a clamping hook.

Detailed Description

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

It should be noted that, if directional indications (such as upper, lower, left, right, front, rear, top, bottom, inner, outer, vertical, transverse, longitudinal, counterclockwise, clockwise, circumferential, radial, axial \8230;) are involved in the embodiments of the present invention, the directional indications are only used to explain the relative positional relationship, movement, etc. of the components in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are also changed accordingly.

In addition, if there is a description relating to "first" or "second", etc. in the embodiments of the present invention, the description of "first" or "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 3, a keyboard optical axis of a crater structure includes:

the PCB comprises a PCB 1, wherein a through hole 11 is formed in the middle of the PCB 1, and a receiving part 13 and a transmitting part 12 are arranged on two opposite sides of the through hole 11;

the device comprises a shaft body 2 (or called optical axis), wherein an elastic driving part 21 which is arranged in an arc shape is arranged on the outer side of the shaft body 2;

the key body 3 is connected with the shaft body 2 and can drive the shaft body 2 to vertically move between the position where the shaft body extends into the through hole 11 and shields the receiving part 13 and the transmitting part 12 and the position where the shaft body exits the through hole 11.

Divide into PCB board 1 with the keyboard optical axis, the axis body 2 and the key body 3, the outer wall through the axis body 2 sets up the elastic drive portion 21 (be the crater structure) of arc form, when needs use, press down the key body 3 and make the axis body 2 stretch into in the through-hole 11, thereby sheltered from the light conduction between receiving part 13 and the transmitting part 12, corresponding data signal is launched promptly, a structure is simple, and the use is stable, simultaneously the resilience through elastic drive portion 21 can make the reseing of axis body 2 quicker, reduce the condition that the spurious triggering or less triggered (press the dual elasticity of splenium 32 and axis body 2 to reset promptly).

In the embodiment of the present invention, the elastic driving portion 21 is silica gel.

In the embodiment of the present invention, the elastic driving portion 21 is a light shielding portion, and the elastic driving portion 21 can be used as an elastic member and also as a light shielding portion to reduce the external influence on the receiving portion 13 and the transmitting portion 12.

In the embodiment of the present invention, the elastic driving portion 21 expands diameter gradually downwards from the optical axis and extends the positioning portion 22 vertically at the bottom end, i.e. forming the structure of the crater, so that the stressed area of the elastic driving portion 21 is wider, the resilience is stable, and the service life of the optical axis can be prolonged.

In the embodiment of the present invention, the shaft body is a cross shape, wherein the bottom of the optical axis is a shielding portion, and the upper portion is conveniently installed on the pressing portion 32.

In the embodiment of the present invention, the elastic driving portion 21 is arc-shaped.

In the embodiment of the present invention, the key body 3 includes a fixing seat disposed on the PCB 1 and a pressing portion 32 slidably mounted on the fixing seat 31, and the pressing portion 32 is connected to the shaft body 2.

The embodiment of the utility model provides an in, fixing base 31 is equipped with spacing portion 4 of arc form elastic drive portion 21 matched with, when the installation promptly, installs fixing base 31 in PCB board 1 time, can carry on spacingly to the optical axis, has made things convenient for the installation.

The embodiment of the utility model provides an in, fixing base 31 is equipped with two at least guide ways 51, press splenium 32 to be equipped with guide way 51 matched with guide post 52, make through guide post 52 and guide way 51 cooperation and press splenium 32 to reset more stably, it is better to hang down straightness when pressing down, presses down and feels better, and wherein the guide post 52 can set up the elastic component and make the resilience of pressing splenium 32 more stable.

In the embodiment of the present invention, the guide groove 51 extends to have the card portion 61, the guide post 52 is provided with the hook 62 matched with the card portion 61, the cooperation through the card portion 61 and the hook 62 makes things convenient for spacing to pressing the portion 32, and simple to operate is stable.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all be in the utility model discloses a under the design, utilize the equivalent structure transform of what the content of the description and the attached drawing was done, or direct/indirect application all includes in other relevant technical field the utility model discloses a patent protection is within range.

Claims

1. The utility model provides a keyboard optical axis of volcanic vent structure which characterized in that includes:

the PCB board, the middle part of the said PCB board has through holes, said through hole opposite both sides have receiving department and transmitting department;

2. The keyboard optical axis of a crater structure of claim 1, characterized in that: the elastic driving part is made of silica gel.

3. The keyboard optical axis of a crater structure as claimed in claim 1, characterized in that: the elastic driving part is a shading part.

4. The keyboard optical axis of a crater structure as claimed in claim 1, characterized in that: the elastic driving part expands diameter gradually from the optical axis downwards and vertically extends the positioning part at the bottom end.

5. The keyboard optical axis of a crater structure as claimed in claim 1, characterized in that: the shaft body is in a cross shape.

6. The keyboard optical axis of a crater structure as claimed in claim 1, characterized in that: the elastic driving part is arc-shaped.

7. The keyboard optical axis of a crater structure of claim 6, wherein: the key body is including locating the fixing base of PCB board and slidable mounting in pressing of fixing base according to the splenium, press the splenium and be connected with the axis body.

8. The keyboard optical axis of a crater structure of claim 7, wherein: the fixing seat is provided with a limiting part matched with the arc-shaped elastic driving part.

9. The keyboard optical axis of a crater structure of claim 7, characterized in that: the fixing base is provided with at least two guide grooves, and the pressing portion is provided with guide posts matched with the guide grooves.

10. The keyboard optical axis of a crater structure of claim 9, wherein: the guide groove extends to form a clamping part, and the guide column is provided with a clamping hook matched with the clamping part.