CN112885621A - Knob and button integrated waterproof structure, waterproof operation panel and ultrasonic diagnostic equipment - Google Patents
Knob and button integrated waterproof structure, waterproof operation panel and ultrasonic diagnostic equipment Download PDFInfo
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- CN112885621A CN112885621A CN202110276088.XA CN202110276088A CN112885621A CN 112885621 A CN112885621 A CN 112885621A CN 202110276088 A CN202110276088 A CN 202110276088A CN 112885621 A CN112885621 A CN 112885621A
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- knob
- button
- waterproof
- operation panel
- waterproof structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H25/00—Switches with compound movement of handle or other operating part
- H01H25/06—Operating part movable both angularly and rectilinearly, the rectilinear movement being along the axis of angular movement
- H01H25/065—Operating part movable both angularly and rectilinearly, the rectilinear movement being along the axis of angular movement using separate operating parts, e.g. a push button surrounded by a rotating knob
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
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Abstract
The invention discloses a knob and button integrated waterproof structure, a waterproof operation panel and ultrasonic diagnosis equipment, and belongs to the technical field of medical equipment. The waterproof structure comprises a knob support arranged in an operation panel, wherein the knob support is used for assembling a knob and a knob inner button assembly which are positioned on the same central line, the knob is positioned and installed in the knob support through a clamping groove formed in the operation panel, the operation panel positioned around the clamping groove is arranged in a protruding mode to form a waterproof high wall, the structure is simple and compact, the waterproof effect is reliable, and the waterproof function and the easy-to-clean function of the operation panel are achieved on the existing appearance and mechanical buttons. The waterproof operation panel comprises the waterproof structure and a button waterproof structure which is independently arranged on the operation panel, and the two buttons are independently arranged and have waterproof and antifouling functions. The ultrasonic diagnosis equipment provided by the invention adopts the waterproof operation panel, can be used in various use places such as an operation site, and greatly improves the working efficiency.
Description
Technical Field
The invention belongs to the technical field of medical equipment, and particularly relates to a knob and button integrated waterproof structure, a waterproof operation panel and ultrasonic diagnostic equipment.
Background
With the continuous innovation of the color ultrasound machine technology, the color ultrasound machine is increasingly intelligent and portable, and can be used as an essential assistant for doctors to appear beside doctors and patients at any time and any place, such as an operation site and the like. Many times the surgeon will then carry the blood or water stream to operate the steering panel at the surgical site. However, most of the operation panels of the color ultrasonic machine do not have waterproof and easy-to-clean functions or need to be added with an external waterproof cover. The color Doppler ultrasound equipment does not work due to the damage of precision electronic components caused by the blood flow and water flow easily flowing into the equipment during operation or is inconvenient to operate and takes too long in the middle caused by the addition of a waterproof cover. If the condition occurs in the operation, the doctor will inevitably make an inaccurate judgment on the condition of the patient, which affects the smooth operation and the life of the patient. Meanwhile, if the device cannot be operated in person due to blood or water pollution in the operation and is handed to an assistant for operation, the operation completion time and the treatment accuracy of the patient are influenced by the inaccuracy of information transmission and the unnecessary waste of time in the communication process, and the time is life. The shortcomings and drawbacks of color ultrasound devices without a waterproof and easy-to-clean operating panel are apparent.
Disclosure of Invention
1. Technical problem to be solved by the invention
The knob and button integrated waterproof structure disclosed by the invention has a simple and compact structure and very reliable waterproof effect by applying various waterproof principles and product manufacturing technologies, and simultaneously designs the structure and the size which are convenient for a user to clean by considering blood stains and solidification and scaling of stains, so that the waterproof function and the easy cleaning function of the operation panel of the color ultrasonic equipment are realized on the existing appearance and mechanical buttons.
The waterproof operation panel comprises the knob and button integrated waterproof structure and a button waterproof structure which is independently arranged on the operation panel, and the two buttons are independently arranged and have waterproof and antifouling functions, so that the adaptability of equipment is improved.
The ultrasonic diagnosis equipment has the characteristics of water resistance, pollution prevention and easiness in cleaning by adopting the waterproof operation panel, can be used in various use places such as an operation site and the like, and greatly improves the working efficiency.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention relates to a knob and button integrated waterproof structure which comprises a knob support arranged in an operation panel, wherein the knob support is used for assembling a knob and a knob inner button assembly which are positioned on the same central line, the knob inner button assembly comprises a knob inner button body, a knob inner button body rubber coating and a knob inner button body embedded piece, the knob inner button body rubber coating is sleeved on the knob inner button body, the knob is positioned and arranged in the knob support through a clamping groove formed in the operation panel, the operation panel positioned around the clamping groove is arranged in a protruding mode to form a waterproof high wall, clamping feet are arranged on the knob, and the knob support are fixed through the clamping feet, so that the knob can drive the knob support to rotate.
As a further improvement of the invention, a PCB is arranged in the operation panel, a knob seat for positioning and fixing the knob bracket is arranged on the PCB, and the PCB is detachably connected in the operation panel.
As a further improvement of the invention, the PCB is fixed in the operation panel by screws.
As a further improvement of the invention, a sealing rib is arranged on the rubber coating side surface of the button body in the knob, and the sealing rib is an annular sealing strip arranged on the rubber coating surface of the button body in the knob in a protruding mode.
As a further improvement of the invention, the rubber coating of the knob inner button body is injection molding soft rubber, and the injection molding soft rubber is attached to the knob inner button body.
As a further improvement of the invention, the button body in the knob is encapsulated by TPE or PVC material.
As a further improvement of the invention, the button body insert in the knob is formed by integral injection molding.
As a further improvement of the invention, a knob silica gel sealing ring is arranged in the clamping groove, and the knob silica gel sealing ring is in interference fit with the knob inner button body to form sealing and water proofing.
As a further improvement of the invention, the knob is internally provided with a waterproof high wall protruding out of the outer surface.
As a further improvement of the invention, a knob inner button silica gel sealing ring is arranged between the knob inner button body and the knob inner button body insert
As a further improvement of the invention, a slope surface structure is arranged on the operation panel and matched with the outer side surface of the knob, and the slope surface structure is arranged along the circumferential direction of the knob.
As a further improvement of the invention, the button body in the knob is encapsulated by adopting TPU material through injection molding.
The waterproof operation panel comprises the knob and button integrated waterproof structure and further comprises a button waterproof structure independently arranged on the operation panel.
As a further improvement of the invention, the button waterproof structure comprises a button assembly arranged on the PCB, the button assembly comprises a button body, a button body insert and a button silica gel sealing ring, and the button silica gel sealing ring and the button body are in interference fit to form sealing and water proofing.
As a further improvement of the invention, the button waterproof structure further comprises a panel silica gel sealing ring and a panel silica gel sealing ring cover plate, and the panel silica gel sealing ring is fixed on the operation panel through the panel silica gel sealing ring cover plate.
As a further improvement of the invention, the panel silica gel sealing ring cover plate is fixed on the operation panel by screws.
As a further improvement of the invention, the button body and/or the operation panel are/is formed by injection molding of ABS + PC alloy material.
An ultrasonic diagnostic apparatus includes the above-mentioned waterproof operation panel.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
the knob and button integrated waterproof structure disclosed by the invention has a simple and compact structure and very reliable waterproof effect by applying various waterproof principles and product manufacturing technologies, and simultaneously designs the structure and the size which are convenient for a user to clean by considering blood stains and solidification and scaling of stains, so that the waterproof function and the easy cleaning function of the operation panel of the color ultrasonic equipment are realized on the existing appearance and mechanical buttons.
The waterproof operation panel comprises the knob and button integrated waterproof structure and a button waterproof structure which is independently arranged on the operation panel, and the two buttons are independently arranged and have waterproof and antifouling functions, so that the adaptability of equipment is improved.
The ultrasonic diagnosis equipment comprises the waterproof operation panel, has the characteristics of water resistance, stain resistance and easiness in cleaning, can be used in various use places such as an operation site, provides convenience for doctors and other users to operate anytime and anywhere, greatly improves the working efficiency, wins precious time for operations and other users, and further improves a guarantee for saving lives.
Drawings
FIG. 1 is a schematic view of a prior art operator panel assembly;
FIG. 2 is a cross-sectional view of a prior art button and knob integrated configuration;
FIG. 3 is a cross-sectional view of a prior art single button construction;
FIG. 4 is an exploded view of a prior art button and knob integrated structure and a single button structure;
FIG. 5 is an assembled view of the operation panel of the present invention;
FIG. 6 is a sectional view of the button and knob of the present invention;
FIG. 7 is a partial enlarged view of the integral structure of the push button and the knob of the present invention;
FIG. 8 is a cross-sectional view of a single button construction of the present invention;
FIG. 9 is an exploded view of the button and knob integrated structure and single button structure of the present invention;
FIG. 10 is a knob inner button assembly;
FIG. 11 is a single button assembly;
FIG. 12 is a two high wall design 001 and 002 of the operator panel;
FIG. 13 is a cross-sectional view of the outer side of the knob and the easy-to-clean design of the operating panel;
FIG. 14 is an enlarged cross-sectional view of the raised sealing rib designed on the side of the soft rubber casing of the knob inner button;
FIG. 15 is a cross-sectional view of the button body and operating panel easy clean design.
The reference numerals in the schematic drawings illustrate:
20. a PCB board; 21. a screw; 200. a knob; 201. a knob silica gel seal ring; 202. the knob inner button body is encapsulated; 203. a button silica gel sealing ring in the knob; 204. a knob inner button body; 205. a button body insert in the knob; 206. a knob bracket; 207. a button body; 208. a button body insert; 209. a button silica gel seal ring; 210. a panel silica gel seal ring; 211. a panel silica gel seal ring cover plate; 212. an operation panel; 213. a knob inner button assembly; 214. a button assembly.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Fig. 1 to 4 are schematic diagrams of an integrated structure of a button and a knob on an operation panel and a single-button structure in the prior art, which have poor sealing effect and poor waterproof and antifouling functions, and cause damage to precise electronic components caused by blood flow and water flow flowing into the device easily during operation, so that the color Doppler ultrasound device does not work.
With reference to fig. 5 to 7, in order to solve the above problems, the present invention provides a waterproof structure with an integrated knob and button, including a knob bracket 206 disposed in an operation panel 212, where the knob bracket 206 is used to assemble a knob 200 and a button assembly 213 in the knob on the same center line, the knob 200 is positioned and installed in the knob bracket 206 through a slot formed in the operation panel 212, the operation panel 212 around the slot is protruded to form a waterproof high wall, and a locking pin is disposed on the knob 200, and the knob 200 and the knob bracket 206 are fixed by the locking pin, so that the knob 200 can drive the knob bracket 206 to rotate.
Specifically, in the present embodiment, the PCB 20 is disposed in the operation panel 212, the knob seat for positioning and fixing the knob bracket 206 is disposed on the PCB 20, and the PCB 20 is detachably connected to the operation panel 212.
As an embodiment, the PCB board 20 in this embodiment is fixed in the operation panel 212 by screws 21.
The specific assembly mode sequence is as follows: the knob bracket 206 and the knob seat on the PCB 20 are fixed together, and then assembled to the operation panel 212 and fixed by the screws 21; the knob 200 is positioned and arranged in the knob bracket 206 according to the designed clamping groove, and is firmly clamped by the clamping pin to prevent falling out, so that the knob 200 can drive the knob bracket 206 to rotate.
Further, the inner knob button assembly 213 in this embodiment includes an inner knob button body 204, an inner knob button body encapsulation 202, and an inner knob button body insert 205, wherein the inner knob button body encapsulation 202 is disposed on the inner knob button body 204.
In addition, in order to further improve the sealing effect of button body rubber coating 202 in the knob, in this embodiment, the side surface of button body rubber coating 202 in the knob is provided with a sealing rib, the sealing rib is an annular sealing strip protruding from the surface of button body rubber coating 202 in the knob, and the bulged sealing rib designed on the side surface of the soft rubber can still play the roles of preventing dirt from entering and retaining water. The details can be understood by referring to the enlarged cross-sectional view of the bulged sealing rib designed on the side surface of the soft rubber shell of the knob inner button in fig. 13.
It should be noted that in this embodiment, in order to make the knob inner button body encapsulation 202 and the knob inner button body 204 tightly attached, in this embodiment, the knob inner button body encapsulation 202 is injection molding soft glue.
Preferably, the button body encapsulation 202 in the knob in the embodiment is made of TPE or PVC material. The button assembly 213 in the knob is a combined key integrally formed by injection molding, the button body rubber coating 202 is injection molding soft rubber such as TPE (thermoplastic elastomer), PVC (polyvinyl chloride) and the like, and is tightly attached to the button body 204 after injection molding, so that the soft rubber cannot be tilted and dislocated due to large friction force when the button body is loaded into the knob support 206 and moves up and down.
Preferably, in this embodiment, the button body insert 205 in the knob is formed by injection molding, which can ensure the precision of the product size, ensure the reliable realization of the micro switch action on the PCB 20, and prevent the bad appearance of the surface of the button body 204 in the knob.
Further, set up knob silica gel sealing ring 201 in the draw-in groove in this embodiment, knob silica gel sealing ring 201 forms sealed waterproof with knob interior button body 204 interference fit. The knob silica gel sealing ring 201 is arranged in the clamping groove, and plays a role in elasticity and water isolation of the button.
In one embodiment, the knob 200 protrudes from the outer surface of the knob to form a waterproof wall. In addition, in order to further improve the waterproof effect, in this embodiment, a knob inner button silicone sealing ring 203 is further disposed between the knob inner button body 204 and the knob inner button body insert 205. The knob inner button silica gel sealing ring 203 is arranged in the assembly firstly, the sealing ring also plays a role of elasticity and water isolation, and then the sealing ring is arranged in the knob bracket 206 together and is clamped by the clamping pin to prevent falling out.
It is worth emphasizing that in the present embodiment, a ramp surface structure is provided on the operation panel 212 around the outer side surface of the knob 200, the ramp surface structure being arranged along the circumference of the knob 200.
In addition, in the embodiment, the button body encapsulation 202 in the knob is formed by injection molding of TPU material.
In the waterproof structure with the integrated knob and the button of the embodiment, the knob 200 and the button assembly 213 in the knob are assembled on the same central line, the knob 200 can rotate to drive the PCB 20 to adjust parameters, and the button assembly 213 in the knob can be pressed up and down to select a working mode. The knob 200 and the knob inner button assembly 213 do not interfere with each other, and independently complete respective functions, and after being assembled into a whole, the knob assembly and the knob assembly respectively play a waterproof function to ensure the knob function, the button function, the waterproof function and the easy cleaning function of the whole mechanism.
The integrative waterproof construction of knob and button of this embodiment, its waterproof technical scheme does, and button subassembly 213 has constituteed five waterproof systems together after the knob 200, the knob is interior to accomplish with control panel 212 assembly, specifically is:
the first way is that: the control panel 212 is designed with high wall water resistance. The first water retaining wall is designed by utilizing the structure of the control panel, water flowing to the control panel 212 is blocked on the panel, and the water automatically flows out of the machine by utilizing the principle that the water flows to the lower part.
And a second step: the button body rubber coating 202 side sealing rib is waterproof antifouling in the knob. The shell of the button body 204 in the knob is designed with soft rubber TPU/PVC and the like which are integrally molded, the side surface of the soft rubber is designed with a bulging sealing rib which is in interference fit with the inner side surface of the knob 200, and water which possibly enters is blocked outside the button by utilizing the elasticity and the sealing property of the soft rubber.
And a third step: the knob silica gel sealing ring 201 is waterproof. The knob silica gel sealing ring 201 and the knob inner button body 204 are designed to be in interference fit to form sealing and water proofing, and the sealing and water proofing functions if the second waterproof is damaged and the third waterproof is used.
And a fourth step: high wall is waterproof. The second high wall inside is designed by utilizing the structure of the knob 200, the knob 200 is internally provided with a waterproof high wall by protruding the outer surface, and water automatically flows out of the machine by utilizing the principle that the water flows to the lower part. Also if the third waterproof is damaged, the fourth waterproof will work.
And a fifth step: the knob inner button silica gel sealing ring 203 is waterproof. The knob inner button silica gel sealing ring 203 and the high wall in the knob 200 and the knob inner button body 204 are designed to be in interference fit to form sealing and water proofing, and the function is realized if the fourth waterproof sealing ring damages the fifth waterproof sealing ring.
The integrative waterproof construction of knob and button of this embodiment has the effect of easy clearance simultaneously waterproof, and the concrete embodiment is:
in order to facilitate cleaning, a slope surface structure is designed around the matching of the operation panel 212 and the outer side surface of the knob 200, so that a narrow gap at the matching position of the operation panel 212 and the knob 200 is avoided, and dirt is prevented from being hidden. Dirt can be easily cleaned by using the rag and the cleaning solution. The structure design at 005 in fig. 12 can be combined specifically.
In addition, the coincidence distance is great in knob 200 and the knob after the assembly of button subassembly 213, in the knob button body 204 shell design TPU class of material make in the knob body rubber coating 202 shell to in the knob in button body rubber coating 202 soft glue shell side design the sealed muscle that has swelled and the cooperation of knob 200 inside wall, played the possibility that prevents that dirt from entering into the inner space, let them float in top layer space, use rag and cleaning solution equally and can conveniently clear up out the filth. The structure design at the position 003 in the attached figure 13 can be combined specifically.
Further, in this embodiment, materials of the respective members are carefully selected for easy cleaning. The knob 200 and the operation panel 212 are injection molded by ABS + PC alloy materials. The ABS + PC alloy material combines the advantages of ABS material and PC material, has the advantages of ABS not only being not influenced by water, alkali, inorganic salt and various acids and being resistant to UV light irradiation, but also has the characteristics that PC can be disinfected by steam, cleaning agent, heating and large-dose radiation, and yellowing and physical property reduction are not generated. Meanwhile, the ultra-hard texture and the wear resistance of the cleaning agent can ensure that a user can clean the cleaning agent safely and cannot easily damage the appearance of the cleaning agent.
And the button body rubber coating 202 in the knob is formed by injection molding of TPU material. The material has excellent elasticity, ultrahigh wear resistance, high and low temperature resistance, oxidation resistance, water resistance, oil resistance and chemical resistance, and is nontoxic, free of anaphylactic reaction, local irritation and pyrogen, so that the material is widely applied to medical products.
The knob and button integrated waterproof structure disclosed by the invention has a simple and compact structure and very reliable waterproof effect by applying various waterproof principles and product manufacturing technologies, and simultaneously designs the structure and the size which are convenient for a user to clean by considering blood stains and solidification and scaling of stains, so that the waterproof function and the easy cleaning function of the operation panel of the color ultrasonic equipment are realized on the existing appearance and mechanical buttons.
In addition, the embodiment further provides a waterproof operation panel, which comprises the above-mentioned knob and button integrated waterproof structure, and further comprises a button waterproof structure independently arranged on the operation panel 212. With reference to fig. 8 and 11, the single button waterproof structure is that after the button assembly 214 is installed on the operation panel 212, the button assembly 214 is pressed up and down to trigger the micro switch on the PCB 20 to operate, so as to realize the functions of pressing a button, preventing water and cleaning easily.
Specifically, in this embodiment, the button waterproof structure includes button assembly 214 installed on PCB 20, and button assembly 214 includes button body 207, button body inserts 208 and button silica gel sealing ring 209, and button silica gel sealing ring 209 forms waterproof seal with button body 207 interference fit.
Further, button waterproof construction still includes panel silica gel sealing washer 210 and panel silica gel sealing washer apron 211 among this embodiment, fixes panel silica gel sealing washer 210 to operating panel 212 through panel silica gel sealing washer apron 211.
In one embodiment, the panel silicone sealing cover 211 is fixed to the operation panel 212 by screws 21 in this embodiment.
The waterproof operating panel of this embodiment, its assembly method order is:
firstly, the panel silica gel sealing ring 210 is arranged in the panel silica gel sealing ring cover plate 211, then the panel silica gel sealing ring cover plate 211 is fixed in the operation panel 212 by using the screw 21, the button silica gel sealing ring 209 is arranged in the button assembly 214 to play the functions of elasticity and water isolation, and the button assembly 214 and the button silica gel sealing ring 209 are arranged on the operation panel 212 together and are clamped by the clamping hook and the operation panel 212 to prevent falling out.
Preferably, in the present embodiment, the button body 207 and/or the operation panel 212 are injection molded by using ABS + PC alloy material. The ABS + PC alloy material combines the advantages of both ABS and PC materials, as discussed above.
In the waterproof operating panel of the embodiment, the waterproof technical solution of the button waterproof structure independently disposed on the operating panel 212 is: the panel silica gel sealing ring 210, the panel silica gel sealing ring cover plate 211, the button assembly 214 and the operation panel 212 form three waterproof systems after being assembled, and the three waterproof systems specifically comprise:
the first way is that: the operation panel 212 is designed to be waterproof. The first water retaining wall is designed by utilizing the high wall structure on the operation panel 212, water falling to the operation panel 212 is blocked on the panel, and the water automatically flows out of the machine by utilizing the principle that the water flows to the lower part.
And a second step: button silica gel circle 209 is waterproof. The button silicone ring 209, the button body 207 and the operating panel 212 are designed to be in interference fit to form a sealing waterproof function, and the second function is realized if the first waterproof function is damaged.
And a third step: the panel silicone gasket cover 211 fixes the panel silicone gasket 210 to the operation panel 212 with screws 21. The panel silica gel sealing ring 210, the panel silica gel sealing ring cover plate 211 and the operation panel 212 are designed to be in interference fit to form sealing and water proofing. And the third channel is effective if the second channel is waterproof and damaged.
The button waterproof construction of this embodiment has the effect of easy clearance simultaneously waterproof, and the concrete embodiment is:
in order to facilitate cleaning, a slope structure is designed around the matching of the operation panel 212 and the outer side surface of the button body 207, so that a narrow gap at the matching position of the two parts of the operation panel 212 and the button body 207 is avoided, and dirt is prevented from being hidden. The dirt can then be easily cleaned using the rag and cleaning solution. The structure design at 006 in fig. 14 can be combined specifically.
The waterproof operation panel comprises the knob and button integrated waterproof structure and a button waterproof structure which is independently arranged on the operation panel, and the two buttons are independently arranged and have waterproof and antifouling functions, so that the adaptability of equipment is improved.
In addition, this embodiment has still provided an ultrasonic diagnosis equipment, adopts foretell waterproof operating panel, has waterproof antifouling and easy clearance characteristics, can be used to multiple use places such as operation scene, provides convenience for doctor and other users' operation anytime and anywhere, makes work efficiency improve greatly, has won the valuable time for operation and other, more improves a guarantee for saving life.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (18)
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CN202110276088.XA CN112885621A (en) | 2021-03-15 | 2021-03-15 | Knob and button integrated waterproof structure, waterproof operation panel and ultrasonic diagnostic equipment |
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Citations (5)
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US20070034493A1 (en) * | 2005-06-09 | 2007-02-15 | Casio Hitachi Mobile Communications Co., Ltd. | Waterproof structure of push button switch |
JP2009070657A (en) * | 2007-09-12 | 2009-04-02 | Hitachi Kokusai Denki Engineering:Kk | Push button for electronic equipment |
CN105761986A (en) * | 2016-04-14 | 2016-07-13 | 上海联界汽车科技有限公司 | Waterproof button switch |
CN206059251U (en) * | 2016-08-19 | 2017-03-29 | 浙江正泰电器股份有限公司 | Knob structure |
CN214541951U (en) * | 2021-03-15 | 2021-10-29 | 泽朴医疗技术(苏州)有限公司 | Knob and button integrated waterproof structure, waterproof operation panel and ultrasonic diagnostic equipment |
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2021
- 2021-03-15 CN CN202110276088.XA patent/CN112885621A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US20070034493A1 (en) * | 2005-06-09 | 2007-02-15 | Casio Hitachi Mobile Communications Co., Ltd. | Waterproof structure of push button switch |
JP2009070657A (en) * | 2007-09-12 | 2009-04-02 | Hitachi Kokusai Denki Engineering:Kk | Push button for electronic equipment |
CN105761986A (en) * | 2016-04-14 | 2016-07-13 | 上海联界汽车科技有限公司 | Waterproof button switch |
CN206059251U (en) * | 2016-08-19 | 2017-03-29 | 浙江正泰电器股份有限公司 | Knob structure |
CN214541951U (en) * | 2021-03-15 | 2021-10-29 | 泽朴医疗技术(苏州)有限公司 | Knob and button integrated waterproof structure, waterproof operation panel and ultrasonic diagnostic equipment |
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