CN214175065U

CN214175065U - Trackball structure and keyboard

Info

Publication number: CN214175065U
Application number: CN202120247914.3U
Authority: CN
Inventors: 陈荣华; 苏绍广; 池朝晖; 刘全华
Original assignee: Shenzhen Keyu Co ltd
Current assignee: Shenzhen Keyu Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-09-10
Anticipated expiration: 2031-01-28

Abstract

The utility model relates to a computer accessories technical field provides a trackball structure and keyboard, and wherein, the trackball structure includes: a base; the bottom shell is provided with a concave part, the bottom shell is arranged above the base and connected with the base, and a first sealing ring is arranged between the bottom shell and the base; a trackball body disposed within the recess; the fixed cover is sleeved on the periphery of the track ball main body and connected with the bottom shell, and a second sealing ring is arranged between the fixed cover and the bottom shell. The utility model provides a trackball structure and keyboard, its trackball structure is through being equipped with first sealing washer between drain pan and base to be equipped with the second sealing washer between fixed lid and drain pan, thereby make in the unable base that gets into of outside liquid, have fabulous waterproof performance, can reach IP67 level waterproof, and then prolonged the life of trackball structure, and simple structure, low cost.

Description

Trackball structure and keyboard

Technical Field

The utility model relates to a computer accessories technical field, more specifically say, relate to a trackball structure and keyboard.

Background

With the rapid development of science and technology, computers have been popularized in thousands of households, and can be used in daily life and work of people, the computers bring convenience to work and entertainment of people, help people to handle matters in work, and also can provide a plurality of entertainment platforms for people, various parts attached to the computers are continuously developed, the computers can not be separated from keyboards and mice when used, and trackballs are usually arranged on the keyboards for facilitating use scenes such as long-term unfixed places or fast-paced business, training, lecture, technical explanation and the like, and users can operate the computers through the trackballs. But the track ball arranged on the keyboard in the prior art has poor waterproof performance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a trackball structure and keyboard to the relatively poor technical problem of trackball waterproof performance who sets up on the keyboard among the solution prior art.

In order to achieve the above object, the utility model adopts the following technical scheme:

in one aspect, the utility model provides a trackball structure, include:

a base;

the bottom shell is provided with a concave part, the bottom shell is arranged above the base and connected with the base, and a first sealing ring is arranged between the bottom shell and the base;

a trackball body disposed within the recess;

the fixed cover is sleeved on the periphery of the track ball main body and connected with the bottom shell, and a second sealing ring is arranged between the fixed cover and the bottom shell.

According to the track ball structure, a first supporting part is arranged at the edge of the base, a first abutting part is arranged at one side, close to the base, of the edge of the bottom shell, the first abutting part abuts against the first supporting part, and the first sealing ring is arranged between the first supporting part and the first abutting part;

and/or, one side of the edge of the bottom shell, which is far away from the base, is provided with a second supporting part, one side of the edge of the fixed cover, which is close to the bottom shell, is provided with a second abutting part, the second abutting part is abutted against the second supporting part, and the second sealing ring is arranged between the second supporting part and the second abutting part.

According to the track ball structure, the base, the bottom shell and the fixed cover are all made of transparent materials, and the concave part is a sealed concave part;

a first PCB board is arranged in the base, a photoelectric sensor is arranged on the first PCB board, and the photoelectric sensor is electrically connected with the first PCB board;

still be equipped with lens in the base, lens are used for refracting light extremely photoelectric sensor.

According to the above-mentioned trackball structure, the trackball structure still includes the dust seal circle, the dust seal circle cover is located the trackball main part is kept away from one side of drain pan and with the trackball main part extrusion is connected, just the internal diameter of dust seal circle is less than the diameter of trackball main part.

According to the above-mentioned trackball structure, the dust sealing circle includes:

the connecting part is arranged between the bottom shell and the fixed cover and is fixed by matching the bottom shell with the fixed cover;

the pressing part is arc-shaped, is arranged on one side of the connecting part and is connected with the connecting part, and is tightly attached to the outer surface of the track ball main body;

the extrusion part is convexly arranged inside the pressing part and connected with the pressing part, the extrusion part is positioned at one end, far away from the connecting part, of the pressing part, and the extrusion part is connected with the outer surface of the track ball main body in an extrusion manner.

On the other hand, the utility model provides a keyboard, including keyboard main part and the aforesaid trackball structure, be equipped with the chamber position in the keyboard main part, the trackball structure is located in the chamber position.

According to the keyboard, the keyboard main body comprises:

a base plate;

the second PCB is arranged above the bottom plate;

the waterproof piece is arranged above the second PCB;

the panel is arranged above the waterproof piece;

the outer frame surrounds the peripheries of the bottom plate, the second PCB, the waterproof piece and the panel and fixedly connects the bottom plate, the second PCB, the waterproof piece and the panel.

According to the keyboard, the waterproof member comprises:

a waterproof member main body;

the waterproof button parts are convexly arranged on the waterproof piece main body and connected with the waterproof piece main body;

the panel includes:

the key comprises a panel main body, a key button body and a key button, wherein the panel main body is provided with a plurality of key button holes;

the panel main body is arranged above the waterproof piece main body, the key cap is sleeved outside the waterproof key part, and the key cap sleeve and the waterproof key part penetrate through the key hole and extend out of the key hole.

The keyboard according to the above, the keyboard comprising:

a USB HUB single chip microcomputer;

the track ball control module is electrically connected with the USB HUB single chip microcomputer through a track ball USB HID interface;

the keyboard main body control module is electrically connected with the USB HUB single chip microcomputer through a keyboard main body USB HID interface;

the key scanning module is electrically connected with the keyboard main body control module;

and the USB HUB single chip microcomputer is electrically connected with the USB interface.

The keyboard according to the above, further comprising:

the power supply module is electrically connected with the USB HUB single chip microcomputer, the track ball control module and the keyboard main body control module;

and the power supply module is electrically connected with the status indicator lamp, and the status indicator lamp is electrically connected with the keyboard main body control module.

The utility model provides a trackball structure and keyboard's beneficial effect lies in at least:

the utility model provides a trackball structure and keyboard, through the drain pan with be equipped with first sealing washer between the base, and fixed lid with be equipped with the second sealing washer between the drain pan to make in the unable base that gets into of outside liquid, have fabulous waterproof performance, it is waterproof to reach IP67 level, and then has prolonged the life of trackball structure, and simple structure, low cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a trackball structure according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a trackball structure according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional structure view of a trackball structure according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a dustproof sealing ring included in a trackball structure according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a keyboard according to an embodiment of the present invention;

fig. 6 is an exploded schematic view of a keyboard according to an embodiment of the present invention;

fig. 7 is a schematic cross-sectional structure diagram of a keyboard according to an embodiment of the present invention;

FIG. 8 is an enlarged view of portion A of FIG. 6;

fig. 9 is a schematic circuit diagram of a keyboard according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

Referring to fig. 1 to 3, the present embodiment provides a trackball structure, including: a base 11; a bottom shell 12, wherein a concave part 121 is arranged on the bottom shell 12, the bottom shell 12 is arranged above the base 11 and connected with the base 11, and a first sealing ring 13 is arranged between the bottom shell 12 and the base 11; a trackball body 14, said trackball body 14 being disposed within said recess 121; the fixing cover 15 is sleeved on the periphery of the trackball main body 14 and connected with the bottom case 12, and a second sealing ring 16 is arranged between the fixing cover 15 and the bottom case 12.

The working principle of the trackball structure 10 provided in this embodiment is as follows:

in the trackball structure 10 provided in this embodiment, the trackball main body 14 is disposed in the recess 121 of the bottom case 12, and the balls 1211 are disposed in the recess 121, so that the trackball main body 14 can move in the recess 121 relative to the bottom case 12, and further drive the pointer on the computer screen to move, thereby implementing the operation of the computer. A first sealing ring 13 is arranged between the bottom shell 12 and the base 11, and a second sealing ring 16 is arranged between the fixing cover 15 and the bottom shell 12, so that the whole trackball structure 10 has excellent waterproof performance, external liquid is prevented from entering the base 11, and the service life of the trackball structure 10 is prolonged.

The trackball structure 10 provided by the present embodiment has at least the following beneficial effects:

the trackball structure 10 provided by this embodiment is equipped with the first sealing ring 13 between the bottom case 12 and the base 11, and is equipped with the second sealing ring 16 between the fixed cover 15 and the bottom case 12, so that external liquid can not enter the base 11, and the trackball structure 10 has excellent waterproof performance, can reach IP67 level waterproof performance, and further prolongs the service life of the trackball structure 10, and has a simple structure and a low cost.

In one embodiment, referring to fig. 2 and 3, a first supporting portion 111 is disposed at an edge of the base 11, a first abutting portion 122 is disposed at a side of the edge of the bottom case 12 close to the base 11, the first abutting portion 122 abuts against the first supporting portion 111, and the first sealing ring 13 is disposed between the first supporting portion 111 and the first abutting portion 122. The arrangement enables the base 11 and the bottom case 12 to be stably connected, and meanwhile, the connection position of the base 11 and the bottom case 12 has excellent waterproof performance, and the waterproof performance can reach IP67 level waterproof. In one embodiment, a second supporting portion 123 is disposed on a side of the edge of the bottom case 12 away from the base 11, a second abutting portion 151 is disposed on a side of the edge of the fixed cover 15 close to the bottom case 12, the second abutting portion 151 abuts against the second supporting portion 123, and the second sealing ring 16 is disposed between the second supporting portion 123 and the second abutting portion 151. The arrangement enables the bottom shell 12 and the fixed cover 15 to be stably connected, and meanwhile, the joint of the bottom shell 12 and the fixed cover 15 has excellent waterproof performance, and the waterproof performance can reach IP67 level waterproof. Optionally, the first sealing ring 13 and the second sealing ring 16 are made of silica gel.

In one embodiment, the fixing cover 15 and the bottom case 12 are connected by screws, which not only make the fixing cover 15 firmly connected with the bottom case 12, but also facilitate disassembly and assembly for easy maintenance. It should be understood that the connection manner of the fixing cover 15 and the bottom case 12 is not limited to the above-mentioned screws, and other connection manners are also possible, and are not limited herein.

In one embodiment, the base 11 and the bottom case 12 are connected by screws, which not only make the base 11 and the bottom case 12 firmly connected, but also facilitate disassembly and assembly for easy maintenance. It should be understood that the connection manner of the base 11 and the bottom case 12 is not limited to the above-mentioned screws, and other connection manners are also possible, and are not limited herein.

In one embodiment, with continued reference to fig. 2 and 3, the base 11, the bottom case 12 and the fixing cover 15 are made of transparent materials, and the recess 121 is a sealing recess; a first PCB 112 is arranged in the base 11, a photoelectric sensor 113 is arranged on the first PCB 112, and the photoelectric sensor 113 is electrically connected with the first PCB 112; a lens 114 is further disposed in the base 11, and the lens 114 is used for refracting light to the photoelectric sensor 113. Since the base 11, the bottom case 12, and the fixing cover 15 are made of transparent materials, external light can penetrate through the transparent materials, the lens 114 disposed inside the base 11 can reflect the light to the photoelectric sensor 113, and the photoelectric sensor 113 is electrically connected to the first PCB 112, so that the photoelectric sensor 113 converts the light signal into an electrical signal, thereby capturing the motion track of the trackball main body 14. Meanwhile, the concave part 121 is set to be a sealing concave part, so that the waterproof performance of the trackball structure 10 is further improved, and external liquid is prevented from entering the base 11. Optionally, the base 11, the bottom case 12 and the fixing cover 15 are made of unsaturated resin (UPR) and metal powder.

In an embodiment, referring to fig. 2 and fig. 3, the trackball structure 10 further includes a dust-proof sealing ring 17, the dust-proof sealing ring 17 is sleeved on a side of the trackball main body 14 away from the bottom case 12 and is connected to the trackball main body 14 in a pressing manner, and an inner diameter of the dust-proof sealing ring 17 is smaller than a diameter of the trackball main body 14. Keep away from on trackball main part 14 one side of drain pan 12 is equipped with dustproof sealing ring 17, and dustproof sealing ring 17 and the inseparable extrusion of trackball main part are connected, fix lid 15 is located to the peripheral cover of dustproof sealing ring 17 simultaneously, fix lid 15 is used for pushing down and compresses tightly dustproof sealing ring 17, and fix lid 15 is connected with drain pan 12, thereby make dustproof sealing ring 17 can be stable, inseparable cover is established on trackball main part 14's surface, it not only can prevent that the dust from getting into in drain pan 12, simultaneously also can be in mode outside liquid gets into drain pan 12, waterproof effect has. Optionally, the dust seal 17 is made of silicone.

In one embodiment, referring to fig. 4 in combination with fig. 2 and 3, the dust seal 17 includes: a connecting portion 171, wherein the connecting portion 171 is disposed between the bottom case 12 and the fixing cover 15 and is fixed by the bottom case 12 and the fixing cover 15; the pressing part 172 is arc-shaped, the pressing part 172 is arranged on one side of the connecting part 171 and connected with the connecting part 171, and the pressing part 172 is tightly attached to the outer surface of the trackball main body 14; and the pressing part 173 is convexly arranged inside the pressing part 172 and connected with the pressing part 172, the pressing part 173 is positioned at one end of the pressing part 172 far away from the connecting part 171, and the pressing part 173 is connected with the outer surface of the trackball main body 14 in a pressing manner. When the dustproof sealing ring 17 is sleeved on the trackball main body 14, the dustproof sealing ring 17 comprises a connecting part 171 which is arranged between the bottom shell 12 and the fixed cover 15 and is fixed by matching the bottom shell 12 and the fixed cover 15, so that the dustproof sealing ring 17 is stably fixed; the dustproof sealing ring 17 comprises an arc-shaped pressing part 172 which is used for being tightly attached to the outer surface of the track ball main body 14 and extruding the track ball main body 14, so that the pressing part 172 can be completely attached to the outer surface of the track ball main body 14, the dustproof sealing ring 17 can be stably sleeved on the track ball main body 14, and the dustproof and waterproof performance of the track ball structure 10 is improved; dustproof sealing ring 17 includes that extrusion portion 173 is protruding to be located the inside of holding down portion 172, and be located holding down portion 172 keeps away from the one end of connecting portion 171 to make extrusion portion 173 can be connected with the surface extrusion of trackball main part 14, realize sealing completely trackball structure 10, have dustproof, waterproof function fabulously, prolonged the life of product, and its dustproof sealing ring 17's simple structure. Optionally, the pressing portion 172 is fixedly connected to the connecting portion 171. Optionally, the pressing portion 172 and the connecting portion 171 are of an integrated structure, so that the whole structure is firm, and the processing is simple and convenient. Optionally, the pressing portion 173 is fixedly connected to the pressing portion 172. Optionally, the pressing portion 173 and the pressing portion 172 are of an integral structure, so that the whole structure is firm, and the processing is simple and convenient.

Referring to fig. 5 and fig. 6, the present embodiment further provides a keyboard 100, which includes a keyboard main body 20 and the trackball structure 10, wherein the keyboard main body 20 is provided with a cavity 201, the trackball structure 10 is disposed in the cavity 201, and the cavity 201 is configured to accommodate and support the trackball structure 10, so that the trackball structure 10 can be stably placed in the cavity 201. Optionally, a cavity housing 201a forming the cavity 201 is detachably connected to the keyboard main body 20. Optionally, the keyboard main body 20 is connected to the cavity position shell 201a through screws, which not only enables the cavity position shell 201a to be stably connected to the keyboard main body 20, but also facilitates disassembly and assembly, so as to facilitate maintenance.

In one embodiment, referring to fig. 6, the keyboard main body 20 includes: a bottom plate 21; a second PCB 22, wherein the second PCB 22 is disposed above the bottom plate 21; a waterproof member 23, wherein the waterproof member 23 is disposed above the second PCB 22; a panel 24, wherein the panel 24 is arranged above the waterproof member 23; and the outer frame 25 surrounds the peripheries of the bottom plate 21, the second PCB 22, the waterproof member 23 and the panel 24, and connects and fixes the bottom plate 21, the second PCB 22, the waterproof member 23 and the panel 24. A waterproof member 23 is disposed between the panel 24 and the second PCB 22, and the outer frame 25 connects and fixes the bottom plate 21, the second PCB 22, the waterproof member 23 and the panel 24, so as to assemble the keyboard main body 20, and enable the keyboard main body 20 to have an excellent waterproof function, which can achieve IP67 level waterproof, thereby prolonging the service life of the keyboard main body 20. Optionally, the waterproof member 23 is made of silica gel.

Optionally, a sealing plate 26 is disposed on a side of the bottom plate 21 away from the second PCB 22 for sealing the bottom of the keyboard 100, and the sealing plate 26 is connected to the bottom plate 21 through an outer frame 25. Optionally, the cavity housing 201a is protruded below the sealing plate 26 and connected to the sealing plate 26 by screws.

In one embodiment, referring to fig. 7, in one embodiment, a pressing member 27 is disposed above the fixing cover 15, the pressing member 27 is Z-shaped, one end of the pressing member 27 presses the top end of the pressing portion 173 and the top end of the fixing cover 15, and the other end of the pressing member 27 is disposed between the fixing cover 15 and the waterproof member 23 to fix the pressing member 27.

In one embodiment, referring to fig. 6 and 8, the flashing includes: a waterproof member main body 231; a plurality of waterproof key parts 232, wherein the waterproof key parts 232 are protruded on the waterproof member main body 231 and connected with the waterproof member main body 231; the panel 24 includes: the key assembly comprises a panel main body 241, wherein a plurality of key holes 2411 are formed in the panel main body 241; the key cap 242, the panel main body 241 is disposed above the waterproof body 231, the key cap 242 is sleeved outside the waterproof key portion 232, and the key cap 242 and the waterproof key portion 232 penetrate through the key hole 2411 and extend out of the key hole 2411. The keyboard main body 20 thus configured has not only excellent waterproof performance but also key function realization, and is simple in structure and convenient in assembly.

In one embodiment, referring to fig. 8, at least one reinforcing rib 233 is disposed on the periphery of the waterproof button portion 232, and the reinforcing rib 233 is connected to the waterproof button portion 232. The provision of the reinforcing ribs 233 serves to increase the overall strength of the waterproof button portion 232. Optionally, the reinforcing rib 233 is fixedly connected to the waterproof button portion 232. Optionally, the reinforcing rib 233 and the waterproof button portion 232 are of an integrated structure. It should be understood that the connection manner of the reinforcing rib 233 and the waterproof button portion 232 is not limited to the above-mentioned case, and may be other cases, which is not limited herein. Optionally, a reinforcing rib 233 is provided on the periphery of the waterproof button portion 232. Optionally, a plurality of reinforcing ribs 233 are disposed on the periphery of the waterproof button portion 232, and the plurality of reinforcing ribs 233 are uniformly and annularly disposed on the periphery of the waterproof button portion 232 and are integrated with the waterproof button portion 232. Optionally, the number of the reinforcing ribs 233 is four, and the four reinforcing ribs 233 are uniformly arranged around the waterproof button portion 232 and are integrated with the waterproof button portion 232, so that the overall structure is firm. It should be understood that the number and arrangement of the reinforcing ribs 233 are not limited to the upper portion, and other portions may be provided, which is not limited herein.

In one embodiment, the bottom plate 21, the front plate 24 and the outer frame 25 are made of metal materials, so that the keyboard 20 has better hardness, is not easy to break in use, has functions of falling prevention and explosion prevention, is durable and has a prolonged service life.

In one embodiment, referring to fig. 9, the keyboard 100 includes: a USB HUB single chip microcomputer 30;

the track ball control module 40 is electrically connected with the USB HUB single chip microcomputer 30 through a track ball USB HID interface 31; the keyboard main body control module 50 is electrically connected with the USB HUB single chip microcomputer 30 through a keyboard main body USB HID interface 32; the key scanning module 60, the key scanning module 60 is electrically connected with the keyboard main body control module 50; USB interface 33, USB HUB singlechip 30 is electrically connected with USB interface 33. The track ball control module 40 comprises a reset circuit, a filter circuit, a main control chip and a photoelectric sensor 113, wherein the photoelectric sensor 113 is used for capturing a moving track, the main control chip processes moving track data, outputs the moving track data through a track ball USB HID interface 31, and is connected with a USB HUB single chip microcomputer. Optionally, the trackball control module 40 is provided on the first PCB 112. The keyboard main body control module 50 comprises a reset circuit, a filter circuit and a master control single chip microcomputer, the keyboard main body control module 50 is matched with the key scanning module 60 together to obtain the position information of the pressed keys, and corresponding key values of the positions of the keys output by the keyboard main body USB HID interface 32 are generated and connected with the USB HUB single chip microcomputer 30 module. Optionally, the keyboard body control module 50 is provided on the second PCB 22. USB HUB singlechip 30 includes USB HUB chip, reset circuit, filter circuit, and USB HUB singlechip 30 is connected through keyboard main part USB HID interface 32 electricity with keyboard main part control module 50, and USB HUB singlechip 30 is connected through trackball USB HID interface 31 electricity with trackball control module 40, finally transmits the digital signal of keyboard and mouse for the computer through USB interface 33. The USB HUB single chip microcomputer 30 is a device that expands one USB interface into a plurality of interfaces, so that the interfaces can be used simultaneously, and the structure of the product is simpler. It should be understood that the specific circuit configuration of the reset circuit, the filter circuit, and the like is not an improvement point of the present embodiment, and any reset circuit, filter circuit, and the like that can achieve the above functions in the prior art may be used.

In one embodiment, with continued reference to fig. 9, the keyboard 100 further comprises: power module 70, power module 70 with USB HUB singlechip 30 trackball control module 40 and keyboard main part control module 50 electricity is all connected, thereby realizes doing USB HUB singlechip 30 trackball control module 40 and keyboard main part control module 50 supplies power, power module 70 includes 3.3V stabilivolt, filter capacitor, filtering magnetic bead and TVS antistatic diode.

A status indicator lamp 80, the power module 70 being electrically connected to the status indicator lamp 80, and the status indicator lamp 80 being electrically connected to the keyboard body control module 50. The status indicator lamp 80 comprises an LED, the anode of the LED is connected with a 3.3V power supply, the cathode of the LED is connected with the keyboard main body control module 50 in series through a current-limiting resistor, when the switching key of the letters of Caps Lock on the keyboard is pressed, the status indicator lamp 80 is turned on or off, the LED is turned on to indicate the current capitalization, and the LED is turned off to indicate the current lowercase. It should be understood that the number of the status indicator lights 80 and the display status setting of the LED lights are not limited to the above-described case, but may be in other cases.

In summary, the present embodiment provides a trackball structure, including: a base 11; a bottom shell 12, wherein a concave part 121 is arranged on the bottom shell 12, the bottom shell 12 is arranged above the base 11 and connected with the base 11, and a first sealing ring 13 is arranged between the bottom shell 12 and the base 11; a trackball body 14, said trackball body 14 being disposed within said recess 121; the fixing cover 15 is sleeved on the periphery of the trackball main body 14 and connected with the bottom case 12, and a second sealing ring 16 is arranged between the fixing cover 15 and the bottom case 12. The present embodiment further provides a keyboard 100, which includes a keyboard main body 20 and the above trackball structure 10, wherein the keyboard main body 20 is provided with a cavity 201, and the trackball structure 10 is disposed in the cavity 201. In the trackball structure 10 and the keyboard 100 provided by this embodiment, the first sealing ring 13 is disposed between the bottom case 12 and the base 11, and the second sealing ring 16 is disposed between the fixing cover 15 and the bottom case 12, so that external liquid cannot enter the base 11, the trackball structure 10 has excellent waterproof performance, IP67 level waterproof performance is achieved, the service life of the trackball structure 10 is prolonged, and the trackball structure is simple and low in cost.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A trackball structure, comprising:

a base;

a trackball body disposed within the recess;

2. The trackball structure as claimed in claim 1, wherein the edge of the base is provided with a first supporting portion, one side of the edge of the bottom case close to the base is provided with a first abutting portion, the first abutting portion abuts against the first supporting portion, and the first sealing ring is arranged between the first supporting portion and the first abutting portion;

3. The trackball structure according to claim 1, wherein the base, the bottom case and the fixed cover are made of a transparent material, and the recess is a sealing recess;

4. The trackball structure of claim 1, further comprising a dust seal ring, wherein the dust seal ring is sleeved on a side of the trackball body away from the bottom case and is connected with the trackball body in a pressing manner, and the inner diameter of the dust seal ring is smaller than the diameter of the trackball body.

5. The trackball structure according to claim 4, characterized in that the dust seal comprises:

6. A keyboard is characterized by comprising a keyboard main body and the trackball structure of any one of claims 1 to 5, wherein a cavity is arranged on the keyboard main body, and the trackball structure is arranged in the cavity.

7. The keyboard of claim 6, wherein the keyboard body comprises: