Electric first-aid aspirator

Abstract

The invention provides an electric first-aid aspirator which comprises a main machine and a mask, the main machine comprises a shell, a bottom cover, a vacuum pump, an electromagnetic valve and a control mainboard, the vacuum pump, the electromagnetic valve and the control mainboard are arranged in the shell, and the shell and the bottom cover are connected in a sealed mode and matched to form a vacuum bin; the vacuum pump is mounted above the vacuum bin, an extraction opening of the vacuum pump is communicated with the vacuum bin, and the vacuum pump is electrically connected with the control mainboard; an air port communicated with the vacuum bin is formed in the bottom cover in a penetrating mode, the electromagnetic valve is installed above the air port, the electromagnetic valve is electrically connected with the control mainboard and can open and close the air port under the control of the control mainboard, and the air port is communicated with the mask. Key components are integrated, scattered connection is reduced, tedious assembly is not needed, and the operation process is simplified; the vacuum bin is matched with the electric vacuum pump to avoid suction fluctuation and guarantee suction stability; modularized assembly is achieved, and disassembly and disinfection are convenient.

Description

Technical Field

[0001] This invention relates to the field of electric emergency suction device technology, specifically an electric emergency suction device. Background Technology

[0002] In emergency medical settings, emergency suction devices play a crucial role in clearing airway obstructions and ensuring unobstructed breathing. However, current devices have several shortcomings in design and functionality. From an operational perspective, some suction devices have complex operating procedures, requiring medical personnel to expend considerable effort adjusting device parameters and connecting components during time-sensitive emergency care, impacting rescue efficiency. Some manual suction devices are laborious and complex to operate, and fatigue from continuous pressing can lead to unstable suction. Regarding suction performance, a common problem is the inability to precisely adjust the suction power. It's difficult to find the optimal suction for patients with different conditions and physical conditions; excessive suction may damage the patient's airway mucosa, while insufficient suction fails to effectively remove foreign objects.

[0003] Meanwhile, poor portability is a major pain point. Some suction devices are large and heavy, making them extremely inconvenient to carry during out-of-hospital emergency care and cross-regional patient transfers, potentially delaying optimal rescue time. On the other hand, some portable suction devices sacrifice key performance aspects such as suction power and battery life in order to reduce size. In addition, some existing suction devices have complex designs that are not easy to disassemble and clean. Foreign objects and secretions can easily remain in the suction device's collection container and tubing, which can lead to cross-infection risks if cleaning and disinfection are not thorough. Summary of the Invention

[0004] To address the aforementioned technical problems, this invention provides an electric emergency suction device that integrates key components into the main unit, reducing scattered connections, eliminating cumbersome assembly, and simplifying the overall operation process; it features a vacuum chamber in conjunction with an electric vacuum pump to avoid suction fluctuations and ensure stable suction; and it has a modular design for easy disassembly and disinfection.

[0005] To achieve its technical objectives, the present invention employs the following technical solution:

[0006] An electric emergency suction device includes a main unit and a mask. The main unit includes a housing and a bottom cover, and a vacuum pump, a solenoid valve, and a control main board installed inside the housing. The housing is hollow and the housing and the bottom cover are sealed together, forming a vacuum chamber. The vacuum pump is installed above the vacuum chamber, and its suction port is connected to the vacuum chamber. The vacuum pump is electrically connected to the control main board. The bottom cover has a through-hole that communicates with the vacuum chamber. The solenoid valve is installed above the air port and is electrically connected to the control main board. The solenoid valve can open and close the air port under the control of the control main board. The air port is connected to the mask.

[0007] Preferably, the control motherboard is mounted above the vacuum pump via a first fixed bracket, and the first fixed bracket is fixedly connected to the housing.

[0008] Preferably, the host also includes a power supply, which is installed outside the vacuum chamber and is electrically connected to the control motherboard, the vacuum pump, and the solenoid valve.

[0009] Preferably, the host further includes a pressure sensor, which is mounted above the vacuum chamber and electrically connected to the control motherboard, and the pressure sensing port of the pressure sensor is in communication with the vacuum chamber.

[0010] Preferably, the main unit further includes an upper cover, which is mounted above the control motherboard and is fastened to the outer casing; the upper surface of the upper cover is provided with a button, which is electrically connected to the control motherboard and is used to adjust the negative pressure intensity of the vacuum pump.

[0011] Preferably, the mask includes a tongue depressor tube, the upper end of which passes through the top of the mask and communicates with the vacuum chamber through the air vent.

[0012] Preferably, the solenoid valve is mounted above the air port via a second fixed bracket, and the second fixed bracket is fixedly connected to the outer casing; the solenoid valve includes a return spring and a silicone plug adapted to the air port, the return spring being used to push the silicone plug to seal the air port when power is off; the solenoid valve has an attraction force greater than 10N, the return force of the return spring is greater than 8N, and the attraction force of the solenoid valve is always greater than the return force of the return spring.

[0013] Preferably, a first sealing element is provided at the connection between the vacuum pump's air intake and the vacuum chamber, and a second sealing element is provided at the connection between the outer shell and the bottom cover.

[0014] Preferably, a hanging bracket is provided on the outer side of the outer casing.

[0015] More preferably, the negative pressure intensity of the vacuum pump is between 0 and -100 kPa, and the maximum negative pressure intensity of the vacuum pump is between -60 kPa and -100 kPa; the volume of the vacuum chamber is 100 to 1000 cm³. 3 .

[0016] The beneficial effects of the present invention are as follows:

[0017] This invention provides an electric emergency suction device that integrates the main components into a main unit module, reducing the need for scattered connections between parts. Medical personnel can operate the device directly without complicated assembly, simplifying the operation process. The vacuum chamber, combined with the stable air extraction of the vacuum pump, avoids the suction fluctuations of manual suction devices, ensuring stable suction. Meanwhile, the mask is a separate module that can be quickly connected to the air inlet and can be disassembled after use for easy cleaning and disinfection. Attached Figure Description

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 This is an exploded view of the present invention;

[0020] Figure 3 This is a longitudinal cross-sectional view of the present invention from a first angle;

[0021] Figure 4 This is a longitudinal cross-sectional view of the present invention from a second angle;

[0022] Figure 5 yes Figure 4 Enlarged view of part A;

[0023] Figure 6 yes Figure 4 Enlarged view of section B;

[0024] Figure 7 yes Figure 4 Enlarged view of section C;

[0025] Figure 8 This is a longitudinal cross-sectional view of the closed solenoid valve when it is not energized;

[0026] Figure 9 This is a longitudinal cross-sectional view of the solenoid valve when it is energized and opened.

[0027] Figure label:

[0028] 1. Main unit; 101. Vacuum chamber; 102. Vacuum pump; 103. Solenoid valve; 104. Second fixed bracket; 105. Control main board; 106. First fixed bracket; 107. Top cover; 108. Button; 109. Power supply; 110. Pressure sensor; 111. First seal; 112. Second seal; 113. Return spring; 114. Silicone plug; 115. Air port

[0029] 2. Face mask; 201. Tongue depressor;

[0030] 3. Hanging bracket; 4. Bottom cover; 5. Outer shell. Detailed Implementation

[0031] In the description of this invention, it should be noted that the terms "upper / lower," "front / rear," "inner / outer," "top / bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are only used to more clearly correspond to different connection positions in the description, and should not be construed as indicating or implying relative importance.

[0032] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within the components of a compatible model. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. Furthermore, unless otherwise specified, all components used in this application are commercially available components, and the connection between different components can be achieved through conventional technical means.

[0033] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0034] An electric emergency suction device, such as Figures 1 to 4 As shown, the device includes a main unit 1 and a face mask 2. Specifically, the main unit 1 includes a housing 5 and a bottom cover 4, as well as a vacuum pump 102, a solenoid valve 103, and a control main board 105 installed inside the housing 5. The housing 5 has a hollow structure, and the bottom of the housing 5 is sealed to the bottom cover 4. The housing 5 and the bottom cover 4 cooperate to form a vacuum chamber 101, which is located inside the housing 5 and above the bottom cover 4. The volume of the vacuum chamber 101 is 100~1000 cm³. 3 Vacuum pump 102 is installed above vacuum chamber 101 and its suction port is connected to vacuum chamber 101. Vacuum pump 102 is electrically connected to control main board 105. A gas port 115 communicating with vacuum chamber 101 is provided through the bottom cover 4. Solenoid valve 103 is installed above gas port 115. Solenoid valve 103 is electrically connected to control main board 105 and can open and close gas port 115 under the control of control main board 105. Gas port 115 is connected to mask 2.

[0035] The vacuum pump 102, in conjunction with the solenoid valve 103, can convert negative pressure into instantaneous suction, thereby sucking foreign objects out of the user's airway.

[0036] Preferably, the control board 105 is mounted above the vacuum pump 102 via a first fixing bracket 106, and the first fixing bracket 106 and the housing 5 are fixedly connected by bolts.

[0037] Preferably, the host also includes a power supply 109, which is installed outside the vacuum chamber 101 and is electrically connected to the control motherboard 105, the vacuum pump 102 and the solenoid valve 103 respectively. In this embodiment, the power supply 109 is a lithium battery. In practical applications, those skilled in the art can select different types of power supplies 109 according to actual needs.

[0038] Preferably, the main unit also includes a pressure sensor 110, which is installed above the vacuum chamber 101 and on one side of the vacuum pump 102. The pressure sensor 110 is electrically connected to the control main board 105, and the pressure sensing hole of the pressure sensor 110 is connected to the vacuum chamber 101. The function of the pressure sensor 110 is to monitor the negative pressure intensity of the vacuum chamber 101 and to monitor abnormalities.

[0039] Preferably, the main unit also includes a top cover 107, which is mounted on top of the control motherboard 105 and is fastened to the outer casing 5 for easy disassembly; the upper surface of the top cover 107 is provided with multiple buttons 108, which are electrically connected to the control motherboard 105 and have multiple negative pressure levels, with different negative pressure levels corresponding to different negative pressure intensities; the buttons 108 adjust the negative pressure intensity of the vacuum pump 102 by changing the negative pressure level;

[0040] The negative pressure intensity (negative pressure setting) of vacuum pump 102 is between 0 and -100 kPa, and the maximum negative pressure intensity (maximum negative pressure setting is greater than -60 kPa) of vacuum pump 102 is between -60 kPa and -100 kPa.

[0041] Preferably, the mask 2 includes a tongue depressor tube 201, the upper end of which passes through the top of the mask 2 and is connected to the vacuum chamber 101 through the air vent 115.

[0042] As a preferred option, such as Figure 3 , Figure 4 , Figure 8 and Figure 9As shown, the solenoid valve 103 is mounted above the air port 115 via a second fixed bracket 104, which is fixedly connected to the housing 5 by bolts. The solenoid valve 103 includes a return spring 113 and a silicone plug 114 adapted to the air port 115. The silicone plug 114 can extend and retract under the control of the control board 105. The return spring 113 is located above the silicone plug 114 and is used to push the silicone plug 114 downward to block the air port 115 when the power is off. The pull-in force of the solenoid valve 103 is greater than 10N, and the rebound force of the return spring 113 is greater than 8N. The pull-in force of the solenoid valve 103 is always greater than the rebound force of the return spring 113. With this design, when the solenoid valve 103 is energized, the silicone plug 114 can overcome the spring force of the return spring 113 under the drive of the solenoid valve 103 and move upward to retract and open the air port 115.

[0043] As a preferred option, such as Figures 4-7 As shown, both the suction port 115 of the vacuum pump 102 and the pressure sensing hole of the pressure sensor 110 are provided with a first sealing element 111 at the connection between them and the vacuum chamber 101. A second sealing element 112 is provided at the connection between the outer shell 5 and the bottom cover 4. In this embodiment, the first sealing element 111 and the second sealing element 112 are sealing rings of different sizes and shapes. In practical applications, other sealing elements can be selected, as long as they can achieve the above functions.

[0044] Preferably, a hanging bracket 3 is provided on the outside of the outer casing 5.

[0045] The operation method of this invention is as follows:

[0046] Turn on the device power supply 109, and select the negative pressure setting using button 108. At this time, as... Figure 9 As shown, the vacuum pump 102 operates, creating a negative pressure environment corresponding to the negative pressure setting within the vacuum chamber 101; the solenoid valve 103 is energized, and under the control of the main control board 105, the solenoid valve 103 drives the silicone plug 114 upward, compressing the return spring 113, and the silicone plug 114 overcomes the rebound force of the return spring 113 and moves upward to open the air port 115; the tongue depressor tube 201 inside the mask 2 is connected to the vacuum chamber 101. Since the vacuum chamber 101 is in a negative pressure environment, a pressure difference environment is formed the instant the tongue depressor tube 201 is connected, generating instantaneous suction, and foreign objects in the user's airway are sucked out;

[0047] like Figure 8 As shown, after use, the power supply 109 is turned off, the device loses power supply, the solenoid valve 103 is de-energized, and the silicone plug 114 moves downward to seal the air port 115 under the action of the return spring 113. At this time, the vacuum chamber 101 is sealed, ready for the next use.

[0048] Although embodiments of the present invention have been described in the specification, these embodiments are merely illustrative and should not be construed as limiting the scope of protection of the present invention. Various omissions, substitutions, and modifications made without departing from the spirit of the present invention should be included within the scope of protection of the present invention.

Claims

1. An electric emergency suction device, comprising a main unit and a mask, characterized in that: The main unit includes a housing and a bottom cover, as well as a vacuum pump, a solenoid valve, and a control main board installed inside the housing. The housing is a hollow structure, and the housing and the bottom cover are sealed together. The housing and the bottom cover cooperate to form a vacuum chamber. The vacuum pump is installed above the vacuum chamber, and the air intake of the vacuum pump is connected to the vacuum chamber. The vacuum pump is electrically connected to the control main board. The bottom cover has a through-hole with an air port connected to the vacuum chamber. The solenoid valve is installed above the air port. The solenoid valve is electrically connected to the control main board and can open and close the air port under the control of the control main board. The air port is connected to the face mask.

2. The electric emergency suction device as described in claim 1, characterized in that, The control motherboard is mounted above the vacuum pump via a first fixed bracket, and the first fixed bracket is fixedly connected to the housing.

3. The electric emergency suction device as described in claim 1, characterized in that, The host also includes a power supply, which is installed outside the vacuum chamber and is electrically connected to the control motherboard, vacuum pump and solenoid valve.

4. The electric emergency suction device as described in claim 1, characterized in that, The host also includes a pressure sensor, which is installed above the vacuum chamber and electrically connected to the control motherboard. The pressure sensing port of the pressure sensor is connected to the vacuum chamber.

5. An electric emergency suction device as described in claim 4, characterized in that, The vacuum pump's suction port and the pressure sensor's pressure sensing hole are both provided with a first seal at the connection point with the vacuum chamber, and the outer shell and the bottom cover are provided with a second seal.

6. An electric emergency suction device as described in claim 1, characterized in that, The main unit also includes a top cover, which is mounted on top of the control motherboard and is fastened to the outer casing; a button is provided on the upper surface of the top cover, which is electrically connected to the control motherboard and is used to adjust the negative pressure intensity of the vacuum pump.

7. An electric emergency suction device as described in claim 1, characterized in that, The mask includes a tongue depressor tube, the upper end of which passes through the top of the mask and is connected to the vacuum chamber via the air vent.

8. An electric emergency suction device as described in claim 1, characterized in that, The solenoid valve is mounted above the air port via a second fixed bracket, which is fixedly connected to the outer casing. The solenoid valve includes a return spring and a silicone plug adapted to the air port. The return spring is used to push the silicone plug to seal the air port when the power is off. The solenoid valve has a pulling force greater than 10N, and the return force of the return spring is greater than 8N. The pulling force of the solenoid valve is always greater than the return force of the return spring.

9. An electric emergency suction device as described in claim 1, characterized in that, A hanging bracket is provided on the outside of the outer casing.

10. An electric emergency suction device as described in any one of claims 1 to 9, characterized in that, The vacuum pump has a negative pressure intensity between 0 and -100 kPa, and its maximum negative pressure intensity is between -60 kPa and -100 kPa; the vacuum chamber has a volume of 100 to 1000 cm³. 3 .

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