An electric inflator pump for an inflatable transfer pad sheet

Abstract

This invention relates to an electric air pump for inflatable transfer sheets, comprising a handle component, an air outlet component, a housing component, a button component, a power supply component, and an air inlet component. The button component is mounted on the housing component, the handle component and the air outlet component are connected to the housing component, and the air inlet component is electrically connected to the button component, which controls the air inlet component. The power supply component is electrically connected to both the button component and the air inlet component, providing power to both. The air outlet component and the air inlet component are in communication. Advantages include: simple and efficient operation; a simple, compact, and reasonable overall structural design with strong versatility and adaptability; improved air intake efficiency; and suitability for medical environments, effectively reducing the risk of cross-infection.

Description

Technical Field

[0001] This invention relates to the field of electric air pump technology, and more specifically, to an electric air pump for inflatable transfer sheets. Background Technology

[0002] Pressure ulcers (also known as bedsores or pressure sores) are a common problem among hospitalized patients and those residing in nursing homes. Due to prolonged pressure on local tissues, patients experience persistent ischemia, hypoxia, and malnutrition, leading to tissue necrosis and ulceration. Currently, inflatable transfer sheets have become an effective solution for preventing pressure ulcers due to their excellent load-bearing capacity, mobility, and breathability. They effectively reduce the shear forces on the skin tissue during patient transfer. When the sheet is inflated using an air pump, the increased internal air pressure creates an air gap between the patient and the bed surface, significantly reducing frictional resistance during patient transfer and facilitating the operator's movement.

[0003] Most air pumps used in inflatable transfer sheets on the market are entry-level models, suffering from low output pressure, high maintenance costs, poor durability, and limited filtration efficiency. Due to cost constraints, the filter elements in these pumps are limited in material and design, resulting in relatively weak filtration and an inability to effectively remove all impurities and particulate matter, leading to poor gas quality entering the pump. With prolonged use, the filter elements often become clogged due to excessive impurities, hindering airflow and causing reduced output pressure and unstable airflow, directly impacting pump performance. Therefore, to ensure proper pump operation and gas cleanliness, users need to frequently replace the filter elements, increasing maintenance costs and causing inconvenience.

[0004] The preceding description is intended to provide general background information and does not necessarily constitute prior art. Summary of the Invention

[0005] The purpose of this invention is to provide an electric air pump for inflatable transfer sheets, which has high filtration accuracy, is easy to maintain, has good adaptability, and is inexpensive.

[0006] This invention provides an electric air pump for inflatable transfer sheets, comprising a handle component, an air outlet component, a housing component, a button component, a power supply component, and an air inlet component; the button component is mounted on the housing component, the handle component and the air outlet component are connected to the housing component, the air inlet component and the button component are electrically connected, and the button component is used to control the air inlet component; the power supply component is electrically connected to both the button component and the air inlet component, and the power supply component is used to supply power to the button component and the air inlet component; the air outlet component and the air inlet component are in communication.

[0007] Furthermore, the handle component includes an irregularly shaped handle assembly, an arc-shaped soft pad, and a rubber connecting rod; the irregularly shaped handle assembly includes a male injection-molded part and a female injection-molded part, both of which are provided with gripping holes, and both of which are provided with a lower side groove hook and a back side groove hook below the male and female injection-molded parts. The opening of the lower side groove hook points downwards, and the opening of the back side groove hook points to the side. A limiting post is provided at the edge of the back side groove hook; the arc-shaped soft pad has an overall I-shaped cross-section, and the arc-shaped soft pad includes an arc-shaped insert, a connector, and an arc-shaped... The base has an arc-shaped insert and an arc-shaped base connected to both ends of the connector, respectively. Mounting slots are provided inside both the male and female injection molded parts. The arc-shaped insert is fixed into the mounting slots inside the male and female injection molded parts, and the arc-shaped base is embedded into the lower side groove hook. A handle mounting hole is provided below the rear side groove hook. Through holes are provided at both ends of the rubber connecting rod. One of the through holes is hinged to the handle mounting hole via a plug screw, and the other through hole is hinged to the corresponding mounting hole on the housing component via a cylindrical pin.

[0008] Furthermore, the air outlet component includes an outer air pipe connector, an air pipe, an inner air pipe connector, an inner air pipe connector sealing ring, an air outlet damping ring, an air outlet grille, and a motor air outlet; the inner air pipe connector has a circumferential groove inside, and the inner air pipe connector sealing ring is embedded in the circumferential groove; both the outer air pipe connector and the inner air pipe connector have internal threads, and the two ends of the air pipe are screwed into the two respectively to form a fixed connection; the air outlet damping ring is installed inside the inner air pipe connector; the inner air pipe connector has a locking groove, and the locking groove and the arc-shaped protrusion on the outside of the air pump housing cooperate to form a locking mechanism;

[0009] The motor air outlet is provided with a threaded hole, and the air outlet grille is fixed to the threaded hole by screws; the air pump housing is provided with a circumferential locking groove inside, and the upper end of the motor air outlet and its body are fixed in the locking groove. The lower end of the motor air outlet is provided with a through hole, which is fixed to the motor cover by bolts so that it communicates with the air inlet component.

[0010] Furthermore, the housing component includes an air pump housing, an air pump side pad, an air pump bottom pad, and an air pump base cover; the air pump housing includes a male air pump housing part and a female air pump housing part that can be interlocked, and each of the male and female air pump housing parts has a mating post for positioning and fixing inside its cavity; slots are provided on the outer side and bottom of the air pump housing, and the air pump side pad and the air pump bottom pad are respectively fixed in the slots; the air pump base cover is embedded in the mounting groove at the bottom of the air pump housing, and a large central hole is provided at the center of the air pump base cover, and multiple small peripheral holes are provided around the large central hole, with the diameter of the small peripheral holes gradually decreasing in the direction away from the large central hole.

[0011] Furthermore, the surface of the soft pad on the side of the air pump is provided with anti-slip protrusions, and the lower part of the soft pad on the side of the air pump is provided with a hook-shaped fastening pin; the fastening pin is inserted into the slot.

[0012] Furthermore, the button component includes a button panel, a button cap, and a button control PCB board; the button panel is elliptical in shape, and a limiting insert is provided at the outer edge of the button panel circumference; two through holes are provided on the surface of the button panel, and the button cap is installed in the through holes; the button control PCB board is provided with screw holes, and the button control PCB board is fixed to the inside of the button panel through the screw holes; the button control PCB board is electrically connected to the power supply component and the air intake component.

[0013] Furthermore, the button control PCB board includes a main control chip TX8C1010, an ESD protection module, a decoupling capacitor module, a switch module, an AC motor drive module, and an LED module; the main control chip TX8C1010 is connected to the ESD protection module, the decoupling capacitor module, the switch module, the AC motor drive module, and the LED module.

[0014] Furthermore, the power supply component includes a power PCB board, a filter PCB board, a power cord strap, a power cord clip, and a power cord; the power cord clip is embedded in a groove on the power cord; both ends of the power cord strap have through holes and can be fixed to the side round hole of the air pump housing with screws; the power cord passes through the square hole on the air pump housing to the outside of the housing; the power PCB board includes a rectifier circuit and an isolation circuit based on the ME8321 chip, and the filter PCB board includes a filter circuit.

[0015] Furthermore, the air intake component includes a motor housing, an AC motor, a motor damping sponge, a motor gasket, a HEPA filter, and a filter sealing ring; the motor housing is composed of a top cover and a bottom base, and is mounted on the outside of the AC motor, with the air outlet on the top cover communicating with the air outlet of the motor; the AC motor is electrically connected to the button component and the power supply component; the motor damping sponge is glued to the bottom of the AC motor, and the motor gasket is mounted on the bottom of the motor housing; the filter sealing ring is fitted onto the HEPA filter, and the filter sealing ring is connected to the bottom of the motor gasket.

[0016] The electric air pump for inflatable transfer sheets provided by this invention starts automatically after the user presses a designated button on the button component. It automatically intakes air through the air intake component and continuously and automatically exhausts air through the air outlet component. Furthermore, the power supply component works in conjunction with a power supply or battery to ensure a continuous power supply for the entire system. The user can easily start the air pump by pressing a button, achieving continuous automatic air output; the operation is simple and efficient. The overall structure is simple, compact, and reasonable, with strong versatility and adaptability. The air pump's air intake holes adopt a gradient distribution, optimizing the air intake process, reducing airflow turbulence and ineffective flow, and improving the equipment's air intake efficiency. The HEPA filter element configured in the air pump has a high-efficiency particulate filtration capability, capable of filtering out tiny particles and pathogens in the air, making it suitable for medical environments and effectively reducing the risk of cross-infection. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of an electric air pump for an inflatable transfer pad provided in an embodiment of the present invention.

[0018] Figure 2 for Figure 1 A schematic diagram of the handle component of the electric air pump.

[0019] Figure 3 for Figure 2 A schematic diagram of the irregularly shaped handle assembly and the curved soft pad of the center handle component.

[0020] Figure 4 for Figure 1 A schematic diagram of the air outlet component of the electric air pump.

[0021] Figure 5 for Figure 1 Assembly diagram of the air outlet component of the electric air pump.

[0022] Figure 6 for Figure 1 A schematic diagram of the housing components of a medium-sized electric air pump.

[0023] Figure 7for Figure 6 A schematic diagram of the structure of the air pump side pad and air pump base cover of the middle housing component.

[0024] Figure 8 for Figure 1 A schematic diagram of the button component of the electric air pump.

[0025] Figure 9 for Figure 8 A schematic diagram of the circuit principle of the PCB board for button control of the button component.

[0026] Figure 10 for Figure 1 A schematic diagram of the power supply components of the electric air pump.

[0027] Figure 11 for Figure 10 A schematic diagram of the circuit principle of the filter PCB board for the power supply component.

[0028] Figure 12 for Figure 10 A schematic diagram of the circuit principle of the power supply PCB board for the power supply component.

[0029] Figure 13 for Figure 1 An exploded schematic diagram of the air intake component of a medium-sized electric air pump.

[0030] Figure 14 This is a schematic diagram of the structure of the electric air pump for inflatable transfer pads provided in an embodiment of the present invention, applied to a matching trolley.

[0031] Figure 15 This is a schematic diagram of the structure of an electric air pump for an inflatable transfer sheet, provided in an embodiment of the present invention, applied to the headboard.

[0032] The reference numerals and components involved in the accompanying drawings are shown below:

[0033] 1. Handle component 101, irregular handle assembly 10101, male injection molded part

[0034] 10102, Female injection molded part; 10103, Grip hole; 10104, Lower side groove hook.

[0035] 10105. Back side groove hook; 10106. Limiting post; 10107. Handle mounting hole

[0036] 10108, Mounting slot 102, Curved pad 10201, Curved panel

[0037] 10202, Connector 10203, Arc-shaped base 103, Rubber connecting rod

[0038] 10301, Through hole 2, Air outlet component 201, External connector of air pipe

[0039] 202. Trachea; 203. Trachea inner connector; 20301. Locking groove.

[0040] 204. Inner pipe joint sealing ring; 205. Air outlet shock absorber ring; 206. Air outlet grille.

[0041] 207, Motor air outlet 20701, Through hole 3, Housing component

[0042] 301, Air pump housing; 30101, Mounting hole; 30102, Male air pump housing parts. 30103, Mother air pump housing parts; 30104, Fitting post; 30105, Side square round hole.

[0043] 30106, slot; 30107, square hole in air pump housing; 30108, arc-shaped protrusion.

[0044] 30109, Circumferential Embedding Groove 605, HEPA Filter Element 606, Filter Element Sealing Ring

[0045] 302, Air pump side pad 30201, Anti-slip protrusions 30202, Fastening pin

[0046] 303, Air pump bottom pad; 304, Air pump base cover; 304; 01, Small holes on the edge.

[0047] 30402, central large hole 4, button component 401, button panel

[0048] 40101, Limiting plate; 40102, Through hole; 402, Button cap

[0049] 403. Button control PCB board; 5. Power supply components; 501. Power supply PCB board

[0050] 502, Filter PCB board; 503, Power cable tie; 503; 01, Through hole.

[0051] 504. Power cord clip; 505. Power cord; 6. Air intake components.

[0052] 601, Motor housing; 60101, Top cover; 60102, Bottom base

[0053] 602, AC motor; 603, motor shock-absorbing foam; 604, motor pad. Detailed Implementation

[0054] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.

[0055] The terms "first," "second," "third," "fourth," etc., used in the specification and claims of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0056] Example 1

[0057] Figure 1 This is a schematic diagram of the structure of an electric air pump for an inflatable transfer pad provided in an embodiment of the present invention. Figure 14 This is a schematic diagram of the structure of the electric air pump for inflatable transfer sheets provided in an embodiment of the present invention, applied to a matching trolley. Figure 15 This is a schematic diagram of the electric air pump for an inflatable transfer sheet, as provided in an embodiment of the present invention, applied to the headboard. Please refer to... Figure 1 , Figure 14 , Figure 15 The electric air pump for inflatable transfer sheets provided in this embodiment of the invention includes a handle component 1, an air outlet component 2, a housing component 3, a button component 4, a power supply component 5, and an air inlet component 6. The button component 4 is mounted on the housing component 3. The handle component 1 and the air outlet component 2 are connected to the housing component 3. The air inlet component 6 is electrically connected to the button component 4, and the button component 4 is used to control the air inlet component 6. The power supply component 5 is electrically connected to both the button component 4 and the air inlet component 6, and the power supply component 5 is used to supply power to both the button component 4 and the air inlet component 6. The air outlet component 2 and the air inlet component 6 are connected in communication.

[0058] It should be noted that after the user triggers the designated button in the button component 4, the air pump will start immediately, automatically intake air through the air intake component 6, and continuously and automatically exhaust air through the air outlet component 2; in addition, the power supply component 5 works in conjunction with the power supply or battery to ensure the continuous power supply of the entire system.

[0059] The electric air pump of this invention can be started by the user with a simple trigger button, achieving continuous automatic air output. The operation is simple and efficient. The overall structure is simple, compact and reasonable, with strong versatility and adaptability. The air pump's air inlet adopts a gradient distribution, which optimizes the air intake process, reduces airflow eddies and ineffective flow, and improves the air intake efficiency of the equipment. The HEPA filter element equipped in the air pump has a high-efficiency particulate matter filtration capability, which can filter out tiny particles and pathogens in the air. It is suitable for medical environments and can effectively reduce the risk of cross-infection.

[0060] Figure 2 for Figure 1 A schematic diagram of the handle component of the electric air pump. Figure 3 for Figure 2A structural diagram of the irregularly shaped handle assembly and the curved soft pad of the center handle component. Please refer to... Figure 2 , Figure 3 The handle component 1 of the present invention includes an irregularly shaped handle assembly 101, an arc-shaped soft pad 102, and a rubber connecting rod 103; the irregularly shaped handle assembly 101 includes a male injection molded part 10101 and a female injection molded part 10102, both of which are provided with gripping holes 10103. A lower side groove hook 10104 and a back side groove hook 10105 are provided below both the male and female injection molded parts 10101 and 10102, respectively. The opening of the lower side groove hook 10104 points downwards, and the opening of the back side groove hook 10105 points to the side. A limiting post 10106 is provided at the edge of the back side groove hook 10105; in the non-working state, the air tube 202 can be installed here for a limiting function.

[0061] Furthermore, the cross-section of the arc-shaped soft pad 102 is generally I-shaped. The arc-shaped soft pad 102 includes an arc-shaped insert 10201, a connector 10202, and an arc-shaped base 10203. The two ends of the connector 10202 are respectively connected to the arc-shaped insert 10201 and the arc-shaped base 10203. Mounting slots 10108 are provided inside both the male injection molded part 10101 and the female injection molded part 10102. The arc-shaped insert 10201 is embedded in the mounting slots 10108 inside the male injection molded part 10101 and the female injection molded part 10102, and the three are joined together by ultrasonic welding. The arc-shaped base 10203 is embedded into the lower groove hook 10104. It provides good support and anti-slip performance, allowing the air pump of this invention to be hung on a matching trolley or patient bedside (e.g., ...). Figure 14 and Figure 15 (As shown).

[0062] Furthermore, a handle mounting hole 10107 is provided below the back side groove hook 10105, and both ends of the rubber connecting rod 103 are provided with through holes 10301. One of the through holes 10301 is hinged to the handle mounting hole 10107 by a plug screw, and the other through hole 10301 is hinged to the corresponding mounting hole 30101 on the housing component 3 by a cylindrical pin.

[0063] It should be noted that the grip hole 10103 is ergonomically designed, allowing users to hold the handle with one hand and easily achieve vertical lifting, horizontal movement, and a certain degree of rotational adjustment.

[0064] Figure 4 for Figure 1 A schematic diagram of the air outlet component of the electric air pump. Please refer to... Figure 4The air outlet component 2 of the present invention includes an outer air pipe connector 201, an air pipe 202, an inner air pipe connector 203, an inner air pipe connector sealing ring 204, an air outlet shock absorber ring 205, an air outlet grille 206, and a motor air outlet 207; the inner air pipe connector 203 has a circumferential groove inside, and the inner air pipe connector sealing ring 204 is embedded in the circumferential groove; both the outer air pipe connector 201 and the inner air pipe connector 203 have internal threads, so that the two ends of the air pipe 202 can be screwed into the two respectively to form a fixed connection.

[0065] Figure 5 for Figure 1 Assembly diagram of the air outlet component of the electric air pump. Please refer to... Figure 5 The air outlet shock absorber 205 is installed inside the tracheal inner connector 203 of the present invention. The tracheal inner connector 203 is provided with a locking groove 20301. The locking groove 20301 and the arc-shaped protrusion 30108 on the outside of the air pump housing 301 cooperate to form a locking mechanism.

[0066] It should be noted that the arc-shaped protrusion 30108 can be locked by inserting it into the locking groove 20301 and rotating it counterclockwise, and unlocked by rotating it clockwise, thereby completing the removal of the outer pipe head.

[0067] The motor air outlet 207 of the present invention is provided with a threaded hole, and the air outlet grille 206 is fixed to the threaded hole by screws; the air pump housing 301 is provided with a circumferential locking groove 30109 inside, and the upper end of the motor air outlet 207 and its body are fixed in the locking groove 30109 (the inner pipe head sealing ring 204 is made of rubber, and its elasticity is sufficient to allow the upper end of the motor air outlet 207 and its body to be fixed in the locking groove 30109). The lower end of the motor air outlet 207 is provided with a through hole 20701, which is fixed to the motor outer cover 601 by bolts, so that it communicates with the air inlet component 6.

[0068] It should be noted that the 201 endotracheal tube connector adopts a modular design, and the endotracheal tube connector can be replaced according to different inflatable products.

[0069] Figure 6 for Figure 1 A schematic diagram of the housing components of the electric air pump. Figure 7 for Figure 6 A structural diagram of the air pump side pad and air pump base cover of the middle housing component. Please refer to... Figure 6 , Figure 7The housing component 3 of the present invention includes an air pump housing 301, an air pump side pad 302, an air pump bottom pad 303, and an air pump base cover 304; the air pump housing 301 includes a male air pump housing part 30102 and a female air pump housing part 30103 that can be fitted together, and fitting posts 30104 for positioning and fixing are provided inside the cavities of the male air pump housing part 30102 and the female air pump housing part 30103; slots 30106 are provided on the outer side and bottom of the air pump housing 301, and the air pump side pad... 302 and the bottom pad 303 of the air pump are respectively fixed in the slot 30106; the bottom cover 304 of the air pump is embedded in the mounting groove at the bottom of the air pump housing 301, which can provide additional protection, shock absorption and anti-slip function for the equipment; a central large hole 30402 is provided at the center of the bottom cover 304 of the air pump, and a plurality of edge small holes 30401 are provided around the central large hole 30402, and the diameter of the edge small holes 30401 gradually decreases in the direction away from the central large hole 30402; to ensure smooth air intake and high efficiency.

[0070] Further reference Figure 7 The air pump side pad 302 of the present invention has anti-slip protrusions 30201 on its surface, and the lower part of the air pump side pad 302 is provided with a hook-shaped fastening pin 30202; the fastening pin 30202 is inserted into the slot 30106.

[0071] It should be noted that the soft pad 302 on the side of the air pump is made of rubber, and the barb 30202 serves as a limit to ensure that it will not fall off due to vibration. The bottom circular holes of the air pump base cover 304 are distributed in a gradient. Among them, the small holes 30401 at the edge of the base cover have a smaller diameter, which can evenly disperse the external airflow into the interior of the base cover during the air intake process, reducing the local vortex phenomenon caused by the airflow directly impacting the central hole, thereby ensuring that the airflow can be well pre-distributed and pre-accelerated before entering the air pump. The large central hole 30402 at the center of the base cover has a larger diameter, which can effectively collect and guide the airflow that has been initially dispersed and accelerated by the edge holes, reducing the ineffective flow and energy loss of the airflow in the base cover. In addition, the area of ​​the large central hole 30402 can provide a larger airflow area so that more gas can quickly enter the interior of the air pump, thereby improving the overall air intake efficiency of the equipment.

[0072] Figure 8 for Figure 1 A schematic diagram of the button component of the electric air pump. Figure 9 for Figure 8 A schematic diagram of the circuit principle of the PCB board for button control in the middle button component. Please refer to... Figure 8 , Figure 9The button component 4 of the present invention includes a button panel 401, a button cap 402, and a button control PCB board 403. The button panel 401 is elliptical in shape, and a limiting insert 40101 is provided at the outer edge of the circumference of the button panel 401. Two through holes 40102 are provided on the surface of the button panel 401, and the button cap 402 is installed in the through holes 40102. Specifically, the diameter of the hole in the button panel 401 is slightly larger than the diameter of the operating end 40201 of the button cap, but smaller than the diameter of the base 40202 of the button cap. In addition, both the button panel 401 and the button cap 402 are made of light-transmitting material to ensure that the LED light source can pass through without obstruction.

[0073] Furthermore, the button control PCB board 403 is provided with screw holes, through which the button control PCB board 403 is fixed to the inside of the button panel 401, and the button control PCB board 403 is electrically connected to the power supply component 5 and the air intake component 6.

[0074] Further reference Figure 9 The button control PCB board 403 of the present invention includes a main control chip TX8C1010, an ESD protection module, a decoupling capacitor module, a switch module, an AC motor drive module, and an LED module; the main control chip TX8C1010 is connected to the ESD protection module, the decoupling capacitor module, the switch module, the AC motor drive module, and the LED module.

[0075] Figure 10 for Figure 1 A schematic diagram of the power supply components of the electric air pump. Figure 11 for Figure 10 A schematic diagram of the circuit principle of the filter PCB board for the power supply component. Figure 12 for Figure 10 A schematic diagram of the power supply PCB board for the power supply components. Please refer to... Figure 10 , Figure 11 , Figure 12 The power supply component 5 of the present invention includes a power supply PCB board 501, a filter PCB board 502, a power cord strap 503, a power cord clip 504, and a power cord 505; the power cord clip 504 is embedded in the groove 50501 on the power cord 505; both ends of the power cord strap 503 are provided with through holes 50301, which can be fixed to the side square round hole 30105 of the air pump housing 301 by screws; the power cord passes through the air pump housing square hole 30107 on the air pump housing 301 to the outside of the housing; the power supply PCB board includes a rectifier circuit and an isolation circuit based on the ME8321 chip, and the filter PCB board includes a filter circuit.

[0076] Figure 13 for Figure 1 An exploded schematic diagram of the air intake component of a medium-sized electric air pump. Please refer to... Figure 13 The air intake component 6 of the present invention includes a motor cover 601, an AC motor 602, a motor shock-absorbing sponge 603, a motor pad 604, a HEPA filter element 605, and a filter element sealing ring 606. The motor cover 601 is composed of a top cover 60101 and a bottom base 60102, and is assembled on the outside of the AC motor 602. The air outlet on the top cover 60101 is connected to the motor air outlet 207. The AC motor 602 is electrically connected to the button component 4 and the power supply component 5. The motor shock-absorbing sponge 603 is glued to the bottom of the AC motor 602, and the motor pad 604 is assembled on the bottom of the motor cover 60102. The filter element sealing ring 606 is sleeved on the HEPA filter element 605, and the filter element sealing ring 606 is connected to the bottom of the motor pad 604.

[0077] It should be noted that the shock-absorbing sponge 603 is bonded to the bottom of the AC motor 602, and the motor pad 604 is assembled to the bottom of the motor housing 60102 to reduce the vibration and noise generated during the operation of the AC motor 602 and improve the overall safety of the equipment. The HEPA (High Efficiency Particulate Air) filter element 605 has a powerful particulate filtration capability, capable of filtering out particulate matter larger than 0.3 microns in the air, with a filtration efficiency of over 99.97%. This feature is particularly important in medical environments, where patients have relatively low immunity and are susceptible to cross-infection from airborne particulate matter and pathogens. The high-efficiency filtration of the HEPA filter element can significantly reduce the concentration of pathogens in the air and reduce the risk of cross-infection.

[0078] As can be seen from the above description, the advantages of this invention are:

[0079] 1. The electric air pump for inflatable transfer sheets provided by the present invention starts immediately after the user triggers a designated button in the button component, automatically intakes air through the air intake component, and continuously and automatically exhausts air through the air outlet component; in addition, the power supply component works in conjunction with a power supply or battery to ensure a continuous power supply for the entire system.

[0080] 2. The electric air pump for inflatable transfer sheets provided by this invention allows users to start the pump with a simple trigger button, achieving continuous automatic air output. Operation is simple and efficient. The overall structure is simple, compact, and reasonable, with strong versatility and adaptability. The air pump's air inlet uses a gradient distribution, optimizing the air intake process, reducing airflow eddies and ineffective flow, and improving the equipment's air intake efficiency. The HEPA filter element configured in the air pump has a high-efficiency particulate filtration capability, capable of filtering out tiny particles and pathogens in the air, making it suitable for medical environments and effectively reducing the risk of cross-infection.

[0081] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. An electric air pump for inflatable transfer sheets, characterized in that, It includes a handle component (1), an air outlet component (2), a housing component (3), a button component (4), a power supply component (5), and an air inlet component (6); The button component (4) is mounted on the housing component (3), the handle component (1) and the air outlet component (2) are connected to the housing component (3), the air inlet component (6) and the button component (4) are electrically connected, and the button component (4) is used to control the air inlet component (6); The power supply component (5) is electrically connected to the button component (4) and the air intake component (6) respectively. The power supply component (5) is used to supply power to the button component (4) and the air intake component (6); the air outlet component (2) is connected to the air intake component (6).

2. The electric air pump for inflatable transfer sheets according to claim 1, characterized in that, The handle component (1) includes a shaped handle assembly (101), an arc-shaped soft pad (102), and a rubber connecting rod (103); the shaped handle assembly (101) includes a male injection molded part (10101) and a female injection molded part (10102), both the male injection molded part (10101) and the female injection molded part (10102) are provided with gripping holes (10103), and both the male injection molded part (10101) and the female injection molded part (10102) are provided with a lower side groove hook (10104) and a back side groove hook (10105) below the male injection molded part (10101) and the female injection molded part (10102), the opening of the lower side groove hook (10104) points downward, the opening of the back side groove hook (10105) points to the side, and a limiting post (10106) is provided at the edge of the back side groove hook (10105); The cross-section of the arc-shaped cushion (102) is generally in the shape of an I-beam. The arc-shaped cushion (102) includes an arc-shaped panel (10201), a connector (10202), and an arc-shaped base (10203). The two ends of the connector (10202) are respectively connected to the arc-shaped panel (10201) and the arc-shaped base (10203). Both the male injection molded part (10101) and the female injection molded part (10102) are provided with mounting slots (10108). The arc-shaped insert (10201) is fixed in the mounting slots (10108) inside the male injection molded part (10101) and the female injection molded part (10102). The arc-shaped base (10203) is embedded in the lower groove hook (10104). A handle mounting hole (10107) is provided below the back groove hook (10105). Both ends of the rubber connecting rod (103) are provided with through holes (10301). One of the through holes (10301) is hinged to the handle mounting hole (10107) by a plug screw, and the other through hole (10301) is hinged to the corresponding mounting hole (30101) on the housing component (3) by a cylindrical pin.

3. The electric air pump for inflatable transfer sheets according to claim 1, characterized in that, The air outlet component (2) includes an outer air pipe connector (201), an air pipe (202), an inner air pipe connector (203), an inner air pipe connector sealing ring (204), an air outlet shock absorber ring (205), an air outlet grille (206), and a motor air outlet (207). The inner tube connector (203) has a circumferential groove inside, and the inner tube connector sealing ring (204) is embedded in the circumferential groove; the outer tube connector (201) and the inner tube connector (203) both have internal threads, and the two ends of the air tube (202) are screwed into the two respectively to form a fixed connection. The air outlet damping ring (205) is installed inside the air pipe inner connector (203). The air pipe inner connector (203) is provided with a locking groove (20301). The locking groove (20301) and the arc-shaped protrusion (30108) on the outside of the air pump housing (301) cooperate to form a locking mechanism. The motor air outlet (207) is provided with a threaded hole, and the air outlet grille (206) is fixed to the threaded hole by screws; the air pump housing (301) is provided with a circumferential locking groove (30109) inside, the upper end of the motor air outlet (207) and its body are fixed in the locking groove (30109), and the lower end of the motor air outlet (207) is provided with a through hole (20701), which is fixed to the motor cover (601) by bolts so that it communicates with the air intake component (6).

4. The electric air pump for inflatable transfer sheets according to claim 1, characterized in that, The housing component (3) includes an air pump housing (301), an air pump side pad (302), an air pump bottom pad (303), and an air pump base cover (304); The air pump housing (301) includes a male air pump housing part (30102) and a female air pump housing part (30103) that can be fitted together. The cavity of the male air pump housing part (30102) and the female air pump housing part (30103) are provided with fitting posts (30104) for positioning and fixing. The air pump housing (301) has slots (30106) on its outer side and bottom, and the air pump side pad (302) and the air pump bottom pad (303) are respectively fixed in the slots (30106). The air pump base cover (304) is embedded in the mounting groove at the bottom of the air pump housing (301). A central large hole (30402) is provided at the center of the air pump base cover (304), and a plurality of edge small holes (30401) are provided around the central large hole (30402). The diameter of the edge small holes (30401) gradually decreases in the direction away from the central large hole (30402).

5. The electric air pump for inflatable transfer sheets according to claim 4, characterized in that, The air pump side pad (302) has anti-slip protrusions (30201) on its surface, and a hook-shaped fastening pin (30202) is provided at the lower part of the air pump side pad (302); the fastening pin (30202) is inserted into the slot (30106).

6. The electric air pump for inflatable transfer sheets according to claim 1, characterized in that, The button component (4) includes a button panel (401), button caps (402), and a button control PCB board (403); The button panel (401) is elliptical in shape. A limiting insert (40101) is provided on the outer edge of the circumference of the button panel (401). Two through holes (40102) are provided on the surface of the button panel (401). The button cap (402) is installed in the through hole (40102). The button control PCB board (403) is provided with screw holes, and the button control PCB board (403) is fixed to the inside of the button panel (401) through the screw holes. The button control PCB board (403) is electrically connected to the power supply component (5) and the air intake component (6).

7. The electric air pump for inflatable transfer sheets according to claim 6, characterized in that, The button control PCB board (403) includes a main control chip TX8C1010, an ESD protection module, a decoupling capacitor module, a switch module, an AC motor drive module, and an LED module; the main control chip TX8C1010 is connected to the ESD protection module, the decoupling capacitor module, the switch module, the AC motor drive module, and the LED module.

8. The electric air pump for inflatable transfer sheets according to claim 1, characterized in that, The power supply component (5) includes a power PCB board (501), a filter PCB board (502), a power cord strap (503), a power cord clip (504), and a power cord (505); The power cord buckle (504) is embedded in the groove (50501) on the power cord (505); both ends of the power cord strap (503) are provided with through holes (50301), which can be fixed to the side square round hole (30105) of the air pump housing (301) by screws. The power cord passes through the square hole (30107) on the air pump housing (301) to the outside of the housing; the power PCB board includes a rectifier circuit and an isolation circuit based on the ME8321 chip, and the filter PCB board includes a filter circuit.

9. The electric air pump for inflatable transfer sheets according to claim 1, characterized in that, The air intake component (6) includes a motor housing (601), an AC motor (602), a motor shock-absorbing sponge (603), a motor pad (604), a HEPA filter element (605), and a filter element sealing ring (606); The motor housing (601) is composed of a top cover (60101) and a bottom base (60102) and is assembled on the outside of the AC motor (602); the air outlet on the top cover (60101) is connected to the air outlet (207) of the motor; the AC motor (602) is electrically connected to the button component (4) and the power supply component (5); The motor shock-absorbing sponge (603) is glued to the bottom of the AC motor (602), and the motor pad (604) is assembled to the bottom of the motor cover (60102); The filter element sealing ring (606) is sleeved on the HEPA filter element (605), and the filter element sealing ring (606) is connected to the bottom of the motor gasket (604).

Images