CN114613635A

CN114613635A - Ultrasonic medical equipment, keyboard device and keyboard assembly

Info

Publication number: CN114613635A
Application number: CN202011452080.6A
Authority: CN
Inventors: 方聪灵; 张海峰; 郭传喜
Original assignee: Edan Instruments Inc
Current assignee: Edan Instruments Inc
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2022-06-10

Abstract

The invention provides ultrasonic medical equipment, a keyboard device and a keyboard assembly. The ultrasonic medical equipment, the keyboard device and the keyboard assembly provided by the invention can avoid abrasion consumption of key characters in the using process, and can prevent a disinfectant from contacting with the characters to avoid corrosion of the key characters when the keyboard device is cleaned and disinfected; meanwhile, the panel covers the keys and the bottom plate, so that the keyboard assembly is good in sealing performance, good in waterproof effect, simple in structure and high in yield.

Description

Ultrasonic medical equipment, keyboard device and keyboard assembly

Technical Field

The invention relates to the technical field of medical instruments, in particular to ultrasonic medical equipment for medical equipment, a keyboard device and a keyboard assembly.

Background

With the development of medical equipment becoming more and more perfect, the performance requirements of hospitals on medical equipment are continuously improved, so that not only is the keyboard of the equipment required to be capable of transmitting light when operating key characters in a darkroom, but also the keyboard and the operating panel are required to have the function of resisting corrosion of chemical reagents and disinfectants.

The scheme among the prior art can solve keyboard button character printing opacity and the corrosion-resistant problem of button, nevertheless has more defect: for example, one way is to install the keyboard keys after the opening of the operation panel of the machine housing, the keyboard keys and the operation panel can meet the wiping requirements of the disinfection-resistant reagent and the chemical reagent, but the opening design does not have the waterproof function; another mode is with machine shell, operating panel and keyboard button are with silica gel material compound mould integrated into one piece, integrated into one piece's silica gel keyboard can satisfy waterproof requirement, but integrated into one piece's silica gel keyboard need carry out the oil spout, the silk screen printing, surface treatment such as radium carving just can realize the printing opacity effect of character, and through the oil spout, the silk screen printing, radium carving, the performance that the resistant chemical reagent of silica gel keyboard of surface treatment and disinfectant cleaned is relatively poor, and the coating of silica gel can produce the desquamation when cleaning, phenomenons such as layering, use experience relatively poor.

Disclosure of Invention

The application provides an ultrasonic medical equipment, keyboard device, keyboard subassembly to solve the above-mentioned technical problem that exists among the prior art.

In order to solve the technical problem, the application adopts a technical scheme that: providing a keyboard assembly comprising a base plate; the key is assembled with the bottom plate and provided with light-transmitting characters; the panel coats the bottom plate and the keys.

According to an embodiment of the present invention, the key includes:

the body is made of transparent materials;

the film is arranged on the body and provided with the light-transmitting characters.

According to a specific embodiment of the invention, the film is a transparent film made of PET or PC material, and the transparent characters are arranged on the film through internal spraying, silk-screen printing and laser etching processes.

According to a specific embodiment of the present invention, the body and the film are integrally formed by an in-mold insert injection molding process.

According to a specific embodiment of the present invention, the panel is formed by using vulcanized silica gel or low-temperature liquid silica gel.

According to a specific embodiment of the present invention, a toner for forming an appearance color is added to the panel.

According to a specific embodiment of the present invention, the panel is molded by an in-mold insert injection molding process and covers the bottom plate and the keys during the injection molding process; or

The panel is formed through an in-mold insert injection molding process, and the key is assembled on the bottom plate in a buckling mode after the bottom plate is coated in the injection molding process.

According to a specific embodiment of the present invention, the outer periphery of the panel is provided with a groove structure for being embedded with the outer shell.

The invention also discloses a keyboard device, comprising:

the shell is provided with a through assembly port, and the area of the shell around the assembly port is provided with embedded ribs; the circuit board is arranged in the shell and provided with a keyboard switch; the pressing block is arranged above the switch; and the keyboard assembly is matched with the pressing block through the keys and is in sealing engagement with the shell through the panel.

The invention also discloses ultrasonic medical equipment which comprises the keyboard device.

The beneficial effect of this application is: the keyboard assembly comprises a bottom plate, keys and a panel, wherein the bottom plate is assembled with the keys, the keys are provided with light-transmitting characters, and the panel coats the keys and the bottom plate, so that the abrasion consumption of the key characters in the using process can be avoided, and when the keyboard device is cleaned and disinfected, a disinfectant can not contact with the characters, and the corrosion to the characters is avoided; meanwhile, the panel covers the keys and the bottom plate, so that the keyboard assembly is good in sealing performance, good in waterproof effect, simple in structure and high in yield.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is an exploded view of a keyboard assembly according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an exploded structure of a key of a keyboard assembly according to an embodiment of the present invention;

FIG. 3 is a schematic top view of a keyboard apparatus according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a housing of a keyboard device according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "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 such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention provides a keyboard apparatus 1, where the keyboard apparatus 1 includes a keyboard assembly 10, a pressing block 20, a circuit board 30 and a housing 40;

the casing 40 is provided with a through assembly port 41, and the keyboard assembly 10, the pressing block 20 and the circuit board 30 are sequentially assembled in the assembly port 41 of the casing 40 from top to bottom;

the circuit board 30 is arranged in the shell 40, the circuit board 30 is a printed circuit board 30, the circuit board 30 is assembled with a keyboard switch (not numbered in the figure) and other electronic components, the keyboard switch and other electronic components are respectively and electrically connected with the circuit board 30, and the keyboard switch is used for receiving operation actions obtained from the keyboard assembly 10 and converting the operation actions into electric signals;

the pressing block 20 is disposed above the keyboard switch, and is configured to receive an operation action of the keyboard assembly 10 and transmit the operation action to the keyboard switch on the circuit board 30.

The keyboard assembly 10 is arranged above the pressing block 20, the keyboard assembly 10 comprises keys 13 and a panel 15 arranged above the keys 13, and the keys 13 and the pressing block 20 are matched to realize the input function of the keyboard assembly 10.

The housing 40 is provided with an engaging rib 42 in a region around the fitting opening 41, and the panel 15 is made of an elastic silicone material. When assembling, can impress the below of gomphosis muscle 42 with the silica gel material region of panel 15 periphery for the peripheral part of panel 15 silica gel material can contradict the cooperation with the inner wall of the assembly mouth 41 of shell 40, can realize the location of panel 15 on shell 40 and the sealed gomphosis of panel 15 and shell 40, thereby seal keyboard subassembly 10 in shell 40, thereby make keyboard device 1 have good leakproofness, can realize good water-proof effects.

The embodiment of the invention provides a keyboard assembly 10, and the keyboard assembly 10 comprises a bottom plate 11, keys 13 and a panel 15 which are connected in sequence.

A base plate 11 is provided at the bottom of the keyboard assembly 10, the base plate 11 being used to carry and mount the keys 13. The bottom plate 11 can be rectangular plate-shaped, the bottom plate 11 is provided with a containing hole 111 for the key 13 to pass through so as to be connected with the pressing block 20 on the circuit board 30, and the medical equipment can be triggered to realize the operation or display function corresponding to the key action through the up-and-down reciprocating motion of the key 13 in the containing hole 111.

The key 13 comprises a body 131 and a film 135, wherein the body 131 is made of a transparent material and can be any one or more of polyvinyl chloride (PVC), Polystyrene (PS), polypropylene (PP), acrylonitrile styrene copolymer (SAN), transparent ABS plastic, polyethylene glycol terephthalate (PET), Polycarbonate (PC) and organic glass (PMMA); the film 135 is arranged on the body 131, and the body 131 and the film 135 are integrally formed by an in-mold insert Injection Molding (IML) process; optionally, the film 135 is a transparent film 135 made of polyethylene terephthalate (PET) or Polycarbonate (PC). The film 135 may be formed with transparent characters through internal spraying, silk-screen printing, and laser etching processes, the characters may be located at the center of the bottom of the film 135 near one side of the body 131, and the characters may include one or more of numbers, symbols, characters, and patterns. In order to minimize the influence of the refraction deformation of the characters and the transmittance, the film 135 is formed to be thin and is disposed on the body 131.

In the present application, the panel 15 covers the upper surfaces of the bottom plate 11 and the keys 13, and the panel 15 is made of a silicone material with a certain elastic and telescopic capability. Specifically, the panel 15 may be a silica gel panel formed by molding vulcanized silica gel or molding low-temperature liquid silica gel.

To facilitate installation of keyboard assembly 10, during the process of manufacturing keyboard assembly 10, panel 15 is molded by an in-mold insert molding process, and during the injection process, panel 15 covers bottom plate 11 and keys 13 to form an integral sealing structure, so that keyboard assembly 10 can be fixedly installed above circuit board 30 by mutual engagement of panel 15 and housing 40. Here, the phrase "the panel 15 covers the bottom plate 11 and the keys 13" in this embodiment means that, in the process of manufacturing the keyboard assembly 10 by using the injection molding process, the panel 15 covers the upper surfaces of both the bottom plate 11 and the keys 13 and the peripheral areas of the upper surfaces of both the bottom plate 11 and the keys 13 by injection molding.

Because the integrally formed panel 15 covering the keys 13 and the bottom plate 11 is formed by an injection molding process, the keys 13 for receiving user operation information are all covered by the waterproof panel 15, so that the keyboard assembly 10 has a good waterproof function; in addition, the panel 15 formed by vulcanized silica gel or low-temperature liquid silica gel has good corrosion resistance, and can meet the wiping requirements of disinfection-resistant reagents and chemical reagents; moreover, because the panel 15 is not fixedly connected with the circuit board 30, the panel 15 covering the keys 13 and the bottom plate 11 can be separated from the circuit board 30 by simple operation, and the panel 15 is convenient to clean, maintain and replace.

In another embodiment of the present invention, the panel 15 is formed by an insert molding process and covers the bottom plate 11 during the injection process, and then the keys 13 are assembled on the bottom plate 11 in a snap-fit manner, where "the panel 15 is formed by an insert molding process and covers the bottom plate 11 during the injection process" in this embodiment means that, during the process of preparing the keyboard assembly 10 by using the injection process, the panel 15 covers the upper surface of the bottom plate 11 and the peripheral area of the upper surface of the bottom plate 11 by injection molding, and the keys 13 are assembled on the bottom plate 11 from the lower surface direction of the bottom plate 11 in a snap-fit manner.

As shown in fig. 1, in the present embodiment, the bottom plate 11 is provided with a receiving hole 111 for receiving the key 13, one end of the key 13 is inserted into the receiving hole 111 and received in the receiving cavity formed by the bottom plate 11 and the panel 15, and the other end of the key 13 is exposed out of the bottom plate 11 to cooperate with the pressing block 20 to implement the input of the key 13.

Wherein, the button 13 and the bottom plate 11 are connected by a clamping and fixing manner, the button 13 is a plastic button or a silica gel button with complete light transmission or partial light transmission, the button 13 is composed of a body 131 and a film 135, the body 131 comprises a keycap 132 and a button body 133 arranged under the keycap 132, the upper end of the keycap 132 and the film 135 are integrally formed by an in-mold insert injection molding process (IML), thereby forming the keycap 132 with characters, a cavity is formed at the lower end of the keycap 132, the button body 133 is arranged in the cavity, the button body 133 is made of elastic silica gel material, and a circular bulge is arranged at one end of the button body 133, which is far away from the body 131. Because the key body 133 made of the silicone material has better telescopic performance, the key 13 can be stretched up and down through the stretching of the key body 133 in the cavity.

Furthermore, the lower end of the key 13 is also provided with a circuit board 30, the pressing block 20 is arranged on the circuit board 30, the middle of one side of the pressing block 20, which faces the key 13, protrudes in the direction of the key 13, and after the key 13 is pressed, the pressing block 20 is in contact with the circuit board 30 to realize the input of the trigger signal. The pressing block 20 is further provided with a circular groove at a position corresponding to the circular convex part of the silica gel block, and the circular groove is used for being matched with the circular convex part on the silica gel block so as to position the circular convex part.

Further, one or more protrusions are arranged on the outer peripheral surface of the cavity of the key cap 132, one or more grooves are arranged on the inner side surface of the key body 133, and the grooves in the key cap 132 can be matched with the protrusions on the outer peripheral surface of the accommodating hole 111, so that the key body 133 can be clamped and installed on the key cap 132 through the grooves. In other embodiments, the protrusion on the outer side of the key cap 132 may be an annular protrusion, and correspondingly, the inner side of the key body 133 is provided with an annular groove, so that the connection structure of the annular snap is more firm than the above-mentioned one or more point snap fixing. In other embodiments, one or more grooves may be disposed on the outer side surface of the key cap 132, and one or more protrusions are disposed on the inner side surface of the key body 133, and the grooves and the protrusions are matched with each other, so that the key body 133 can be fixedly mounted on the key cap 132.

In this embodiment, the panel 15 may further include a toner for forming an appearance color, and the panel 15 made of a translucent silicone material has a better light transmittance.

In another embodiment of the present invention, the keyboard device further comprises an LED light emitting assembly (not numbered) disposed on the circuit board 30; the LED light-emitting component is used for displaying an illumination effect corresponding to the operation instruction according to the operation instruction received by the keyboard switch, such as turning on LED illumination, turning off LED illumination, displaying an LED illumination effect of a certain color, an LED flicker effect and the like. Therefore, when the LED light emitting elements are disposed on the circuit board 30, the appearance color preferred by the user can be set for the panel 15 by adding toner of different colors, so that the keyboard assembly 10 can display bright light of the color set as preferred when the light source disposed on the circuit board 30 is operated, and the panel 15 containing a light transmitting material facilitates the display of characters on the keys 13.

In an embodiment of the present invention, the outer periphery of the panel 15 may be further provided with a plurality of groove-shaped structures, the panel 15 covers the entire circuit board 30, and the groove-shaped structures on the panel 15 can be hermetically engaged with the plurality of protrusions on the housing 40 to achieve the waterproof effect of the keyboard assembly 10.

In another embodiment of the present invention, the outer periphery of the panel 15 may be further provided with a plurality of protrusions, the panel 15 covers the entire circuit board 30, and the groove-shaped structure on the panel 15 can be sealingly engaged with the plurality of protrusions on the housing 40 to achieve the waterproof effect of the keyboard assembly 10.

When the keyboard assembly 10 provided by the invention is assembled and used, the assembly of the keyboard assembly 10 can be realized only by buckling and matching the coated keys 13 formed by the in-mold insert injection molding process and the panel 15 of the bottom plate 11 with the shell 40, or buckling and matching the panel 15 of the coated bottom plate 11 formed by the in-mold insert injection molding process with the shell 40 and buckling and matching the keys 13 with the bottom plate 11.

An embodiment of the present invention provides an ultrasonic medical apparatus, which includes the keyboard apparatus 1 in the foregoing embodiment.

In summary, it is easily understood by those skilled in the art that the keyboard assembly 10 provided by the present invention includes a bottom plate 11 having keys 13, the keys 13 having transparent characters, and a panel 15 covering the keys 13 and the bottom plate 11 and disposed outside the keys 13 and the bottom plate 11; can realize the printing opacity effect of character, disinfectant can avoid causing the corruption to the character because of contacting with the character when cleaning medical equipment and disinfection, simultaneously through panel 15 cladding at button 13 and bottom plate 11, can be so that keyboard component 10's leakproofness is good, has good water-proof effects, and simple structure, and the yields is high.

Claims

1. A keyboard assembly, comprising:

a base plate;

the key is assembled with the bottom plate and provided with light-transmitting characters;

the panel coats the bottom plate and the keys.

2. The keyboard assembly of claim 1, wherein the keys comprise:

the body is made of transparent material;

3. The keyboard assembly of claim 2, wherein the film is a transparent film of PET or PC material, the film being provided with the light-transmissive characters by an internal spray or screen or laser engraving process.

4. The keyboard assembly of claim 3, wherein the body and the membrane are integrally formed by an in-mold insert molding process.

5. The keyboard assembly of claim 1, wherein the faceplate is molded from vulcanized silicone or low temperature liquid silicone.

6. The keyboard assembly of claim 1, wherein a toner for forming an appearance color is added to the panel.

7. The keyboard assembly of claim 1, wherein the faceplate is molded by an in-mold insert molding process and covers the base plate, the keys during the molding process; or

The panel is formed through an in-mold insert injection molding process, and after the panel is coated on the bottom plate in the injection molding process, the keys are assembled on the bottom plate in a buckling mode.

8. The keyboard assembly of claim 1, wherein the outer periphery of the faceplate is provided with a channel formation for engaging the housing.

9. A keyboard apparatus, comprising:

the shell is provided with a through assembly port, and the area of the shell around the assembly port is provided with embedded ribs;

the circuit board is arranged in the shell and provided with a keyboard switch;

the pressing block is arranged above the keyboard switch;

the keyboard assembly of any one of claims 1 to 8, wherein said keys are engaged with said press block and sealingly engaged with said housing through said faceplate.

10. An ultrasonic medical apparatus, characterized in that it comprises a keyboard device according to claim 9.