CN210668181U

CN210668181U - Anti-splashing keyboard PCB structure

Info

Publication number: CN210668181U
Application number: CN201922274817.9U
Authority: CN
Inventors: 任希
Original assignee: Shenzhen Hongtaidingye Electronic Co ltd
Current assignee: Shenzhen Hongtaidingye Electronic Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-06-02
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a prevent splattering keyboard PCB structure, including the middle part baffle with set up both sides key shaft main part and PCB main part about the middle part baffle respectively, key shaft main part upper end joint has the key cap, middle part baffle surface is equipped with the keyway through-hole that corresponds with the key shaft main part, PCB main part one side is equipped with the key stroke position that corresponds with the keyway, PCB main part one side opposite side is equipped with the conductive contact who is connected with PCB main part electricity, key shaft main part bottom middle part is equipped with hits the key post, the key stroke post passes the keyway in proper order, key stroke position and conductive contact swing joint, key stroke position outline, and it is equipped with the cotton that absorbs water to be close to the keyway one side. The utility model provides an inside full overlay type PCB heat dispersion of keyboard among the prior art not good, cause inside long-pending heat and the heavy problem of structure easily.

Description

Anti-splashing keyboard PCB structure

Technical Field

The utility model relates to a computer accessories field, in particular to prevent splattering keyboard PCB structure.

Background

The keyboard is the most common and main input device, and english letters, numbers, punctuations and the like can be input into the computer through the keyboard, so as to send commands, input data and the like to the computer. A keyboard is a command and data input device used to operate equipment and also refers to a set of function keys (e.g., typewriter, computer keyboard) arranged to operate a machine or equipment through a system. The keyboard circuit board is the control core of the whole keyboard, is positioned in the keyboard and mainly plays a role in key scanning identification, coding and transmission interface. In the prior art, the PCB inside the partial waterproof keyboard adopts a full-coverage waterproof structure, the waterproof structure covers comprehensively, but the heat dissipation is not good, the internal heat accumulation is easily caused, the structure is complex, the weight of the whole keyboard is increased, and the maintenance, the assembly and the disassembly are complex.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the main object of the present invention is to provide a splashproof keyboard PCB structure, which aims to solve the problem of poor heat dissipation performance of the keyboard inside full-coverage PCB, easy heat accumulation and heavy structure.

In order to realize the above-mentioned purpose, the utility model provides a prevent splattering keyboard PCB structure, including the middle part baffle with set up both sides key shaft main part and PCB main part about the middle part baffle respectively, key shaft main part upper end joint has the key cap, middle part baffle surface is equipped with the keyway through-hole that corresponds with the key shaft main part, PCB main part one side is equipped with the key stroke position that corresponds with the keyway, PCB main part one side opposite side is equipped with the conductive contact who is connected with PCB main part electricity, key shaft main part bottom middle part is equipped with hits the key post, the key stroke post passes the keyway in proper order, key stroke position and conductive contact swing joint, key stroke position outline, and it is equipped with the cotton that absorbs water to be.

In one embodiment, a sealing rubber ring is arranged between the key striking column and the key cap, and the sealing rubber ring is connected with the side wall connecting structure of the key cap in an interference fit manner.

In one embodiment, the middle partition board and the PCB body are provided with corresponding positioning holes at each corner point, and the positioning holes are fixedly connected by bolts.

In one embodiment, the light emitting diode is arranged at the position of the middle partition board corresponding to the keycap and is electrically connected with the PCB main body.

In one embodiment, the water absorption cotton is arranged on the back of the PCB main body, and the back of the PCB main body faces to the same direction as the keycap.

In one embodiment, the key groove inner frame and the upper surface of the middle partition plate are provided with communicated diversion grooves, and the diversion grooves are communicated with the absorbent cotton.

The utility model has the advantages as follows:

set up in the cotton water droplet that absorbs water at PCB main part back and can absorb the careless splash to the keyboard, it is different with present keyboard structure of the same kind, the utility model discloses simple structure sets up rationally, does not excessively increase the whole weight of keyboard, with PCB main part back fully considered up in most use scenes, PCB main part upper surface really can not be up, this probability that has just also reduced the more upper surface contact water droplet of electronic component, when pressing the key cap, the key stroke post of key cap bottom and the electrically conductive contact of PCB main part bottom make its circuit intercommunication.

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 the structures shown in the drawings without creative efforts.

Fig. 1 is the present invention provides a schematic view of the whole structure of disassembling the PCB main body and other components.

Fig. 2 is the overall structure assembly diagram of each component of the keyboard of the present invention.

Fig. 3 is a schematic diagram of the positions of the keystroke column and the sealing rubber ring in the present invention.

[ main parts/assembly reference numerals ] description

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them.

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.

It should be noted that all the directional indicators (e.g., upper, lower, left, right, front, rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific state (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

The description in this application as relating to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be a fixed connection, a removable connection, or an integral molding; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Example 1:

referring to fig. 1-3, a splashproof keyboard PCB structure, including middle part baffle 3 and set up in key shaft main part 2 and PCB main part 4 of middle part baffle 3 upper and lower both sides respectively, key cap 1 is connected to key shaft main part 2 upper end joint, middle part baffle 3 surface is equipped with the keyway 30 through-hole that corresponds with key shaft main part 2, PCB main part 4 one side is equipped with hits the key position 40 that corresponds with keyway 30, PCB main part 4 one side opposite side is equipped with electrically conductive contact 5 that is connected with PCB main part 4 electricity, key shaft main part 2 bottom middle part is equipped with hits the key post 20, hits the key post 20 and passes keyway 30 in proper order, hits key position 40 and electrically conductive contact 5 swing joint, hits the outline of key position 40, and be equipped with the cotton 41 that absorbs water in the laminating of PCB main part.

When in use, the key cap 1 is pressed, the key striking column 20 at the bottom of the key cap 1 is contacted with the conductive contact 5 at the bottom of the PCB main body 4, and the circuit is communicated. Set up the cotton 41 that absorbs water at 4 backs of PCB main part can absorb the water droplet of carelessly splashing on the keyboard, and is different with the keyboard structure of the same kind now, the utility model discloses simple structure sets up rationally, does not increase the whole weight of keyboard too much, with 4 backs of PCB main part up fully considered in most use scenes, the upper surface of PCB main part 4 can not up in fact, this has just reduced the probability of the more upper surface contact water droplet of electronic component.

Referring to fig. 1 and 3, preferably, a sealing rubber ring 21 is arranged between the keystroke column 20 and the key cap 1, and the sealing rubber ring 21 is connected with the side wall connection structure of the key cap 1 in an interference fit manner.

The sealing rubber ring 21 provided between the key striking cylinder 20 and the key top 1 further prevents water droplets from flowing into the keyboard when the keyboard is tilted, and further enhances the waterproof property. The sealing rubber ring 21 is connected with the side wall connecting structure of the keycap 1 in an interference fit mode, so that key pulling and dismounting are more convenient.

Referring to fig. 1, preferably, the middle partition 3 and the PCB body 4 are provided with corresponding positioning holes 31 at each corner point, and the positioning holes 31 are fixedly connected by bolts 32.

Referring to fig. 2, preferably, a light emitting diode 10 is disposed at the middle partition 3 corresponding to the key cap 1, and the light emitting diode 10 is electrically connected to the PCB main body 4.

The keyboard structure also has the function of marking water inlet key positions, when water drops enter the water absorption cotton 41, the light-emitting diode 10 is communicated with the PCB main body 4 through the water drops by the conducting wires embedded at the bottom of the water absorption cotton 41, the light-emitting diode 10 is lightened, and a user is prompted that the key positions have water inlet conditions so as to be detached and dried.

Referring to fig. 1, preferably, the absorbent cotton 41 is disposed on the back of the PCB body 4, and the back of the PCB body 4 faces the key cap 1.

The fact that the back of the PCB body 4 faces upwards fully considers that the upper surface of the PCB body 4 does not need to face upwards in most use scenes, and therefore the probability that the upper surface of the electronic component is more in contact with water drops is reduced.

Referring to fig. 1, preferably, the inner frame of the key slot 30 and the upper surface of the middle partition plate 3 are provided with communicated guide grooves, and the guide grooves are communicated with the absorbent cotton 41.

Considering that the part of the dripped water drops can remain on the surface of the middle partition plate 3, the communicated diversion trench is arranged on the upper surfaces of the key slot 30 inner frame and the middle partition plate 3 to guide the water drops to the water absorption cotton 41, and the water absorption cotton 41 absorbs the water.

The working principle of the utility model is as follows:

the fact that the back of the PCB body 4 faces upwards fully considers that the upper surface of the PCB body 4 does not need to face upwards in most use scenes, and therefore the probability that the upper surface of the electronic component is more in contact with water drops is reduced. The key cap 1 is pressed to make the key column 20 at the bottom of the key cap 1 contact with the conductive contact 5 at the bottom of the PCB body 4, and the circuit is connected. Set up and absorb water cotton 41 and can absorb the water droplet of carelessly splashing on the keyboard in the 4 back of PCB main part, it is different with present keyboard structure of the same kind, the utility model discloses simple structure sets up rationally, does not too much increase the whole weight of keyboard.

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

Claims

1. The splash-proof keyboard PCB structure is characterized by comprising a middle partition plate, a key shaft main body and a PCB main body, wherein the key shaft main body and the PCB main body are arranged on the upper end and the lower end of the middle partition plate respectively, a key cap is clamped at the upper end of the key shaft main body, a key groove through hole corresponding to the key shaft main body is formed in the surface of the middle partition plate, a key striking position corresponding to the key groove is arranged on one side of the PCB main body, a conductive contact electrically connected with the PCB main body is arranged on the other side of one side of the PCB main body, a key striking column is arranged in the middle of the bottom end of the key shaft main body and sequentially penetrates through the key groove, the key striking position and the conductive contact to be movably connected, the outline of the.

2. The splattering-preventing keyboard PCB structure of claim 1, wherein a sealing rubber ring is arranged between the key hitting column and the key cap, and the sealing rubber ring is in interference fit connection with the key cap side wall connection structure.

3. The splashproof keyboard PCB structure of claim 1, wherein each corner point of the middle partition board and the PCB main body is provided with a corresponding positioning hole, and the positioning holes are fixedly connected by bolts.

4. The splashproof keyboard PCB structure of claim 1, wherein the middle part baffle is equipped with emitting diode with the key cap correspondence department, and emitting diode is connected with the PCB main part electricity.

5. The splashproof keyboard PCB structure of claim 1, wherein, the cotton that absorbs water set up in PCB main part back, and PCB main part back orientation with the key cap orientation unanimously.

6. The splashproof keyboard PCB structure of claim 1, characterized in that the keyway inner frame and the middle part baffle upper surface are provided with the guiding gutter that communicates, the guiding gutter with absorb water cotton intercommunication.