Ultrasonic medical equipment, keyboard devices, keyboard components

Abstract

The present invention provides an ultrasonic medical device, a keyboard device, and a keyboard assembly. The keyboard assembly includes a base plate, a key, and a panel. The base plate is assembled with the key, and light-transmitting characters are arranged on the key. The panel covers the key and the base plate. The ultrasonic medical device, keyboard device, and keyboard assembly provided by the present invention can avoid the wear and tear of the key characters during use, and when the keyboard device is cleaned and disinfected, the disinfectant can be prevented from contacting the characters to avoid corrosion of the key characters; at the same time, the panel covers the keys and the base plate, so that the keyboard assembly has good sealing performance, good waterproof effect, simple structure, and high yield rate.

Description

Technical Field

[0001] The present invention relates to the technical field of medical equipment, and in particular to an ultrasonic medical device, a keyboard device and a keyboard assembly for medical equipment. Background Art

[0002] As medical equipment becomes increasingly sophisticated, hospitals are placing increasing demands on the performance of medical equipment. Not only are the equipment keyboards required to have light-transmitting keys when operated in a dark room, but the keyboards and operating panels are also required to be resistant to corrosion from chemical reagents and disinfectants.

[0003] The solutions in the prior art can solve the problems of light transmittance of keyboard key characters and corrosion resistance of keys, but there are many defects: for example, one way is to install the keyboard keys after opening a hole in the operation panel of the machine casing. The keyboard keys and the operation panel can meet the wiping requirements of disinfectants and chemical reagents, but they do not have a waterproof function due to the opening design; another way is to integrally mold the machine casing, the operation panel and the keyboard keys with silicone material. The one-piece silicone keyboard can meet the waterproof requirements, but the one-piece silicone keyboard needs to be sprayed with oil, silk screen printed, laser engraved and other surface treatments to achieve the effect of light transmittance of characters, and the silicone keyboard that has been sprayed with oil, silk screen printed, laser engraved and surface treated has poor resistance to wiping with chemical reagents and disinfectants, and the silicone coating will peel and delaminate when wiped, resulting in a poor user experience. Summary of the invention

[0004] The present application provides an ultrasonic medical device, a keyboard device, and a keyboard assembly to solve the above-mentioned technical problems existing in the prior art.

[0005] In order to solve the above technical problems, a technical solution adopted in the present application is: to provide a keyboard assembly, the keyboard assembly includes a base plate; keys assembled with the base plate, the keys are provided with translucent characters; and a panel covering the base plate and the keys.

[0006] According to a specific embodiment of the present invention, the button includes:

[0007] The body is made of transparent material;

[0008] The film is arranged on the main body, and the film is provided with the light-transmitting characters.

[0009] According to a specific embodiment of the present invention, the film is a transparent film made of PET or PC, and the film is provided with the light-transmitting characters through internal spraying, silk-screen printing, or laser engraving.

[0010] According to a specific embodiment of the present invention, the body and the film are integrally formed by an in-mold injection molding process.

[0011] According to a specific embodiment of the present invention, the panel is molded by vulcanized silicone or low-temperature liquid silicone.

[0012] According to a specific embodiment of the present invention, color powder for forming the appearance color is added into the panel.

[0013] According to a specific embodiment of the present invention, the panel is formed by an in-mold injection molding process and covers the bottom plate and the button during the injection molding process; or

[0014] The panel is formed by an in-mold insert injection molding process and covers the bottom plate during the injection molding process, and the button is assembled on the bottom plate by a snap-fit ​​method.

[0015] According to a specific embodiment of the present invention, a groove structure for engaging with the outer shell is provided on the outer periphery of the panel.

[0016] The present invention also discloses a keyboard device, which includes:

[0017] A shell having a through assembly opening, wherein the shell has engaging ribs in the area around the assembly opening; a circuit board arranged in the shell, wherein the circuit board has a keyboard switch; a pressure block arranged above the switch; and a keyboard assembly as described in any of the above items, wherein the key cooperates with the pressure block and is sealed and engaged with the shell through the panel.

[0018] The present invention also discloses an ultrasonic medical device, which comprises the keyboard device as described above.

[0019] The beneficial effects of the present application are as follows: different from the prior art, the keyboard assembly provided by the present invention includes a base plate, keys and a panel, the base plate is assembled with the keys, translucent characters are arranged on the keys, the panel covers the keys and the base plate, which can avoid the wear and tear of the key characters during use, and when the keyboard device is cleaned and disinfected, the disinfectant does not contact the characters to avoid corrosion of the characters; at the same time, the panel covers the keys and the base plate, so that the keyboard assembly has good sealing performance, good waterproof effect, simple structure and high yield rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0021] Figure 1 is a schematic diagram of an exploded structure of a keyboard assembly provided in an embodiment of the present invention;

[0022] Figure 2 is a schematic diagram of the exploded structure of keys of a keyboard assembly provided by an embodiment of the present invention;

[0023] Figure 3 is a schematic diagram of a top view of the keyboard device provided by an embodiment of the present invention;

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the shell of the keyboard device provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0026] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0027] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0028] See also Figure 1-Figure 4 , an embodiment of the present invention provides a keyboard device 1, the keyboard device 1 includes a keyboard assembly 10, a pressing block 20, a circuit board 30 and a housing 40;

[0029] The housing 40 is provided with a through assembly opening 41, and the keyboard assembly 10, the pressing block 20 and the circuit board 30 are sequentially assembled in the assembly opening 41 of the housing 40 from top to bottom;

[0030] The circuit board 30 is disposed in the housing 40. The circuit board 30 is a printed circuit board 30. A keyboard switch (not numbered in the figure) and other electronic components are assembled on the circuit board 30. The keyboard switch and other electronic components are electrically connected to the circuit board 30 respectively. The keyboard switch is used to receive the operation action obtained from the keyboard assembly 10 and convert it into an electrical signal.

[0031] The pressing block 20 is disposed above the keyboard switch, and is used to receive an operation action of the keyboard assembly 10 and transmit the operation action to the keyboard switch on the circuit board 30 .

[0032] The keyboard assembly 10 is disposed above the pressing block 20 . The keyboard assembly 10 includes a key 13 and a panel 15 disposed above the key 13 . The input function of the keyboard assembly 10 is realized by the cooperation between the key 13 and the pressing block 20 .

[0033] The housing 40 is provided with a fitting rib 42 in the area around the assembly opening 41, and the panel 15 is made of elastic silicone material. During assembly, the silicone material area on the periphery of the panel 15 can be pressed under the fitting rib 42, so that the silicone material periphery of the panel 15 can be in contact with the inner wall of the assembly opening 41 of the housing 40, so that the panel 15 can be positioned on the housing 40, and the panel 15 and the housing 40 can be sealed and fitted, so that the keyboard assembly 10 is sealed in the housing 40, so that the keyboard device 1 has good sealing performance and can achieve a good waterproof effect.

[0034] The embodiment of the present invention provides a keyboard assembly 10, which includes a bottom plate 11, a key 13 and a panel 15 connected in sequence.

[0035] The bottom plate 11 is disposed at the bottom of the keyboard assembly 10, and is used to carry and assemble the key 13. The bottom plate 11 may be in the shape of a rectangular plate, and is provided with a receiving hole 111 for the key 13 to pass through so as to connect with the pressing block 20 on the circuit board 30. The key 13 can reciprocate up and down in the receiving hole 111 to trigger the medical device to implement an operation or display function corresponding to the key action.

[0036] The key 13 includes a body 131 and a film 135. The body 131 is made of transparent material, which can be any one or more of polyvinyl chloride (PVC), polystyrene (PS), polypropylene (PP), acrylonitrile styrene copolymer (SAN), transparent ABS plastic, polyethylene 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 injection molding process (IML); optionally, the film 135 is a transparent film 135 made of polyethylene terephthalate (PET) or polycarbonate (PC). Among them, the film 135 can form translucent characters through internal spraying, silk screen printing, and laser engraving processes. The characters can be located at the center of the bottom of the film 135 near one side of the body 131. The characters can include one or more of numbers, symbols, text, and patterns. In order to minimize the refraction deformation of the characters and the influence on the light transmittance, the film 135 is made into a thinner style and arranged on the body 131.

[0037] In the present application, the panel 15 covers the upper surface of the bottom plate 11 and the button 13, and the panel 15 is made of a silicone material with a certain elasticity and expansion capability. Specifically, the panel 15 can be a silicone panel made of vulcanized silicone or low-temperature liquid silicone.

[0038] In order to facilitate the installation of the keyboard assembly 10, in the process of preparing the keyboard assembly 10, the panel 15 is formed by an in-mold insert injection molding process, and in the injection molding process, the panel 15 covers the bottom plate 11 and the key 13 to form an integral sealing structure, so that the keyboard assembly 10 can be fixedly installed above the circuit board 30 by the mutual engagement of the panel 15 and the housing 40. Among them, "the panel 15 covers the bottom plate 11 and the key 13" in this embodiment means that in the process of preparing the keyboard assembly 10 by the injection molding process, the panel 15 is covered on the upper surface of both the bottom plate 11 and the key 13 and the peripheral area of ​​the upper surface of both the bottom plate 11 and the key 13 by injection molding.

[0039] Since the panel 15 covering the keys 13 and the base plate 11 is formed as an integral unit through an injection molding process, the keys 13 used to receive 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 silicone or low-temperature liquid silicone also has good corrosion resistance and can meet the requirements of resistance to disinfectant agents and chemical agents. Wiping requirements; moreover, since there is no fixed connection between the panel 15 and the circuit board 30, the panel 15 covering the keys 13 and the base plate 11 can be separated from the circuit board 30 by simple operation, which is convenient for cleaning, maintenance and replacement of the panel 15.

[0040] In another embodiment of the present invention, the panel 15 is formed by an in-mold injection molding process and covers the base plate 11 during the injection molding process, and the key 13 is assembled on the base plate 11 by a snap-fitting manner, wherein "the panel 15 is formed by an in-mold injection molding process and covers the base plate 11 during the injection molding process" in this embodiment means that in the process of preparing the keyboard assembly 10 by the injection molding process, the panel 15 is covered on the upper surface of the base plate 11 and the peripheral area of ​​the upper surface of the base plate 11 by injection molding, and the key 13 is assembled on the base plate 11 from the lower surface of the base plate 11 by a snap-fitting manner.

[0041] As attached Figure 1 As shown, in this embodiment, a receiving hole 111 for receiving the button 13 is provided on the bottom plate 11, one end of the button 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 button 13 is exposed from the bottom plate 11 to cooperate with the pressing block 20 to realize the input of the button 13.

[0042] The key 13 and the base plate 11 are connected by a snap-fitting method. The key 13 is a completely or partially light-transmissive plastic key or a silicone key. The key 13 is composed of a body 131 and a film 135. The body 131 includes a keycap 132 and a key body 133 installed 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 a keycap 132 with characters. A cavity is formed at the lower end of the keycap 132, and the key body 133 is installed in the cavity. The key body 133 is made of elastic silicone material, and a circular protrusion is provided on one end of the key body 133 away from the body 131. Since the silicone key body 133 has good telescopic performance, the key 13 can be telescoped up and down by telescoping the key body 133 in the cavity.

[0043] Furthermore, a circuit board 30 is also provided at the lower end of the button 13, and the pressing block 20 is provided on the circuit board 30. The middle part of the pressing block 20 facing the button 13 is provided in the direction where the button 13 is located. When the button 13 is pressed, the pressing block 20 will contact the circuit board 30 to input a trigger signal. A circular groove is also provided at a position corresponding to the circular protrusion of the silicone block, which is used to match the circular protrusion on the silicone block to position the circular protrusion.

[0044] Furthermore, one or more protrusions are provided on the outer circumferential surface of the cavity of the keycap 132, and one or more grooves are provided on the inner side surface of the key body 133. The grooves on the keycap 132 can match the protrusions on the outer circumferential surface of the accommodating hole 111, so that the key body 133 is mounted on the keycap 132 through the groove clamping. In other embodiments, the protrusion on the outer side surface of the keycap 132 can be an annular protrusion, and correspondingly, an annular groove is provided on the inner side surface of the key body 133. Compared with the above-mentioned one or more point clamping fixation, the annular clamping connection structure is more secure. In other embodiments, one or more grooves can also be provided on the outer side surface of the keycap 132, and one or more protrusions can be provided on the inner side surface of the key body 133. The grooves and protrusions match each other, so that the key body 133 can be fixedly mounted on the keycap 132.

[0045] In this embodiment, color powder for forming the appearance color can be added to the panel 15, because the panel 15 made of translucent silicone has good light transmittance.

[0046] In another embodiment of the present invention, the keyboard device further includes an LED light-emitting component (not numbered in the figure) disposed on the circuit board 30; the LED light-emitting component is used to display a lighting effect corresponding to the operation instruction according to the operation instruction received by the keyboard switch, such as turning on the LED lighting, turning off the LED lighting, displaying a certain color of LED lighting effect, LED flashing effect, etc. Therefore, when the LED light-emitting component is disposed on the circuit board 30, the panel 15 can be set with the appearance color preferred by the user by adding toner of different colors, so that when the light source disposed on the circuit board 30 is working, the keyboard assembly 10 can show the light of the color set according to the preference, and the panel 15 containing the light-transmitting material is conducive to the display of the characters on the key 13.

[0047] In a specific embodiment of the present invention, a plurality of groove structures may be further provided on the outer periphery of the panel 15 , and the panel 15 covers the entire circuit board 30 . The groove structures on the panel 15 may be sealed and engaged with a plurality of protrusions on the outer shell 40 to achieve a waterproof effect for the keyboard assembly 10 .

[0048] In another specific embodiment of the present invention, a plurality of protrusion structures may be further provided on the outer periphery of the panel 15 , and the panel 15 covers the entire circuit board 30 . The groove structure on the panel 15 can be sealed and engaged with the plurality of protrusions on the outer shell 40 to achieve a waterproof effect for the keyboard assembly 10 .

[0049] When the keyboard assembly 10 provided by the present invention is assembled and used, it is only necessary to snap-fit ​​the panel 15 of the covered key 13 and the base plate 11 formed by the in-mold injection molding process with the outer shell 40, or snap-fit ​​the panel 15 of the covered base plate 11 formed by the in-mold injection molding process with the outer shell 40, and snap-fit ​​the key 13 with the base plate 11, so as to realize the assembly of the keyboard assembly 10.

[0050] An embodiment of the present invention provides an ultrasonic medical device, which includes the keyboard device 1 in the above-mentioned embodiment.

[0051] In summary, those skilled in the art can easily understand that the keyboard assembly 10 provided by the present invention, by providing keys 13 on the bottom plate 11, light-transmitting characters on the keys 13, and providing a panel 15 covering the keys 13 and the bottom plate 11 on the outside of the keys 13 and the bottom plate 11; the light-transmitting effect of the characters can be achieved, and corrosion of the characters by the disinfectant due to contact with the characters during cleaning and disinfection of the medical equipment can be avoided. At the same time, by covering the keys 13 and the bottom plate 11 with the panel 15, the keyboard assembly 10 can have good sealing performance, good waterproof effect, simple structure, and high yield rate.

Claims

1. A keyboard assembly, characterized in that: The keyboard assembly comprises: Base plate; A key, assembled with the bottom plate, the key being provided with light-transmitting characters; A panel covering the bottom plate and the buttons; The panel is formed by an in-mold insert injection molding process and covers the bottom plate and the buttons during the injection molding process; The panel covers the upper surfaces of the bottom plate and the button and the peripheral areas of the upper surfaces of the bottom plate and the button, so that the panel covers the bottom plate and the button to form an integral sealing structure; The peripheral area includes a spacing area between two adjacent keys on the bottom plate; The key comprises a body, the body comprises a key cap and a key body installed under the key cap, and a circular protrusion is arranged on one end of the key body away from the body.

2. The keyboard assembly according to claim 1, characterized in that: The body is made of transparent material; The key further comprises a film, which is arranged on the body, and the film is provided with the light-transmitting characters.

3. The keyboard assembly according to claim 2, characterized in that: The film is a transparent film made of PET or PC material, and the film is provided with the light-transmitting characters through internal spraying, silk-screen printing or laser engraving technology.

4. The keyboard assembly according to claim 3, characterized in that: The body and the film are integrally formed by an in-mold injection molding process.

5. The keyboard assembly according to claim 1, characterized in that: The panel is formed by vulcanized silicone or low-temperature liquid silicone.

6. The keyboard assembly according to claim 1, characterized in that: The panel has toner added therein for forming the appearance color.

7. The keyboard assembly according to claim 1, characterized in that: The panel is formed by an in-mold injection molding process and covers the bottom plate during the injection molding process, and the button is assembled on the bottom plate by snapping.

8. The keyboard assembly according to claim 1, characterized in that: The outer periphery of the panel is provided with a groove structure for engaging with the outer shell.

9. A keyboard device, characterized in that: The keyboard device comprises: The shell is provided with a through assembly opening, and the shell is provided with a chiseling rib in the area around the assembly opening; A circuit board is arranged in the housing, and the circuit board is provided with a keyboard switch; A pressing block, arranged above the keyboard switch; The keyboard assembly according to any one of claims 1 to 8, wherein the key cooperates with the pressure block and is sealed and embedded with the housing through the panel.

10. An ultrasonic medical device, characterized in that: The ultrasonic medical equipment comprises the keyboard device according to claim 9.

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