Two-section type manual nasal aspirator

Abstract

The utility model discloses a two-section type manual nasal aspirator capable of controlling suction force by changing the stroke of a pump body. The two-section type manual nasal aspirator comprises the pump body and a nasal aspirator body, the pump body comprises a cylinder body, a piston, a pull rod, a spring and a clamping piece, a piston space is formed in the cylinder body for the piston to act, one end of the cylinder body is an air vent, and the other end of the cylinder body is an air suction port; the pull rod is provided with a pull handle; the clamping piece can be arranged in a limiting clamping groove in the pull handle and used for changing the stroke of the pump body, so that the suction force of the nasal aspirator body is adjusted, and discomfort of a user is avoided. A liquid containing space is formed in the nasal aspirator body and communicated with an air suction port through a connecting pipe, and one end of the nasal aspirator body is a nasal aspirator opening. The convex ribs are arranged on the inner wall of the nasal aspirator body at the other end, so that the inner wall of the nasal aspirator body is uneven, the liquid can be better adhered to the inner wall of the nasal aspirator body, and the liquid is prevented from flowing into the pump body along with the connecting pipe.

Description

Technical Field

[0001] This utility model relates to a manual nasal aspirator structure, and more particularly to a two-stage manual nasal aspirator that controls the suction force through a limiting structure. Background Technology

[0002] Because infants and young children are not yet fully developed, their nasal cavities lack sufficient three-dimensional support, leading to nasal narrowing. When they have a cold or allergies and produce mucus, this can easily cause nasal congestion. However, since infants and young children usually cannot blow their noses to relieve nasal congestion, caregivers need to help clean their noses. Using a nasal aspirator to create negative pressure can remove excess mucus from the nasal cavity.

[0003] Existing nasal aspirators can be broadly categorized into two main structures: a negative pressure generating device and a suction tip that contacts the nasal cavity. The negative pressure generating device is further divided into electric and manual types based on its power source. Electric aspirators use a motor to generate negative pressure by suction; however, the motor's operation generates significant noise, which can easily startle infants and young children, causing them to resist caregivers' attempts to clean their nasal cavity. Manual aspirators allow the operator to use their mouth, foot, or hand to operate the negative pressure generating device, cleaning the nasal cavity through the suction tip.

[0004] Most existing manual nasal aspirators have a fixed suction stroke, meaning that each use involves a complete reciprocating motion to generate negative pressure for the aspirator tip. However, a fixed suction stroke also means that the operator cannot reduce the suction force, and if the user experiences discomfort, the operator must manually control the suction strength.

[0005] Furthermore, the nasal aspirator itself is a semi-enclosed space. When the negative pressure device is activated, air enters from the suction end, creating a dynamic equilibrium. To maintain a consistent suction force, the operator needs to control the force. When used by operators with less strength or less dexterity, the suction force will be unstable each time, resulting in varying effectiveness of the nasal aspirator depending on the operator.

[0006] In view of the shortcomings of existing nasal aspirators, such as the fixed stroke leading to difficulty in changing suction power, the inventor of this utility model actively and continuously develops a utility model that can improve the above problems. Utility Model Content

[0007] The main purpose of this utility model is to form a limiting structure by using a locking component to regulate the stroke of the pump body each time, thereby changing the suction force each time, and the operator only needs to pull the pump body all the way down each time.

[0008] Another objective of this invention is to increase airflow by placing the vent hole of the pump body around the pull rod, thereby enabling the pump body pull rod to rebound quickly.

[0009] This utility model relates to a two-stage manual nasal aspirator, comprising a pump body and an aspirator body. The pump body includes a cylinder, a piston, a vent cap, a pull rod, a spring, and a locking mechanism. The cylinder has an internal piston space for piston actuation, with one end serving as a vent and the other as a suction port. The vent cap is located at the vent and includes a vent hole and a handle. The handle has an internal reciprocating space. The piston is positioned within the piston space and is sealed to the inner wall of the cylinder with a silicone ring. The piston also includes a check valve, which pushes gas from the piston space towards the vent and draws air in through the suction port.

[0010] One end of the pull rod connects to the piston near the vent and passes through the vent cover. The other end of the pull rod has a handle with a limiting groove on its end face perpendicular to the pull rod's axial direction. The operator can pull the pull rod to actuate the piston. A spring is located in the piston space near the vent, with both ends abutting against the piston and the vent cover. When the operator releases the pull rod, the piston naturally rebounds towards the intake port in a free state. A locking element is located in the limiting groove to reduce the travel of the pull handle in the reciprocating space and regulate the suction force of the pump body.

[0011] The nasal aspirator body has an internal liquid-containing space, which is connected to the inhalation port via a connecting tube. One end of the nasal aspirator body is the aspirator opening. The nasal aspirator body has a suction head to cover the aspirator opening. One end of the suction head forms a suction tip with a tapered outer diameter to contact the nasal cavity. The other end is equipped with a suction head check valve located in the liquid-containing space, which prevents the liquid sucked in by the suction tip from flowing back to the suction tip.

[0012] In a preferred embodiment of this invention, the operator can pull the lever to drive the piston, thereby creating a negative pressure in the piston space near the air inlet, and thus drawing liquid through the nasal aspirator body.

[0013] Specifically, when the locking element is set in the limiting slot, it reduces the travel of the pull handle in the reciprocating space, so that when the operator holds the handle and pulls the handle, the amount of piston movement is reduced, thereby reducing the negative pressure and reducing the suction of the nasal aspirator body.

[0014] In a preferred embodiment of this utility model, there are multiple vent holes arranged around the pull rod.

[0015] Preferably, the pull rod is located on the central axis of the pump body.

[0016] Preferably, the vents are arranged radially around the tie rod.

[0017] Preferably, the handle has a storage slot on the outside of the reciprocating space, so that the card can be placed in the storage slot to avoid loss when the card is not needed.

[0018] In a preferred embodiment of this utility model, a rib is provided on the inner wall of the end of the nasal aspirator body away from the nasal aspirator opening, in order to increase the adhesion of the liquid entering the liquid containment space, so that the liquid can better adhere to the inner wall of the nasal aspirator body.

[0019] Preferably, there are multiple ribs to increase the adhesion area of ​​the liquid.

[0020] In a preferred embodiment of this utility model, the nasal aspirator body and the suction head are connected by a quick-release structure, which allows for simple and quick disassembly and assembly of the nasal aspirator body and facilitates cleaning.

[0021] Preferably, the quick-release mechanism is a snap-fit ​​design to prevent the suction head from falling off. Attached Figure Description

[0022] Figure 1 This is an exploded view of an embodiment of the present utility model;

[0023] Figure 2 for Figure 1 A cross-sectional schematic diagram of an embodiment of the present invention in the II-II direction;

[0024] Figure 3 This is a schematic diagram of the vent cover and pull rod structure of an embodiment of this utility model;

[0025] Figure 4 This is a schematic cross-sectional view of the first application embodiment of the present utility model; and

[0026] Figure 5 This is a schematic diagram of the nasal aspirator body structure according to an embodiment of the present utility model.

[0027] Explanation of reference numerals in the attached figures

[0028] 1:Pump body

[0029] 11: Cylinder

[0030] 110: Piston space

[0031] 111: Vent

[0032] 112: Intake port

[0033] 113: Vent cover

[0034] 1130: Vent

[0035] 1131: Handle

[0036] 1132: Card slot

[0037] 12: Piston

[0038] 121: Check valve

[0039] 13: Pull rod

[0040] 131: Pull handle

[0041] 1310: Reciprocating Space

[0042] 132: Limiting slot

[0043] 14: Spring

[0044] 15: Card / Contractor

[0045] 2: Nasal aspirator body

[0046] 20: Liquid containment space

[0047] 21: Suction Head

[0048] 211: Nasal end

[0049] 212: Suction head check valve

[0050] 22: Convex Rib

[0051] 3: Connecting pipe Detailed Implementation

[0052] To facilitate understanding of this utility model, it will be described in detail below with reference to the accompanying drawings and embodiments. The drawings show some, but not all, embodiments of this utility model. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without any inventive effort are within the scope of protection of this utility model.

[0053] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0054] Figures 1 to 5 This is a schematic diagram of an embodiment of the present utility model, as shown below. Figure 1As shown in the exploded view of an embodiment of this utility model, the two-section manual nasal aspirator of this utility model includes: a pump body 1 and a nasal aspirator body 2. The pump body 1 includes: a cylinder 11, a piston 12, a vent cap 113, a pull rod 13, a spring 14, and a locking element 15. Figure 2 of Figure 1 As shown in the cross-sectional schematic diagram of the embodiment of this utility model in the II-II direction, the interior of the cylinder 11 forms a piston space 110 for the piston 12 to actuate. One end of the cylinder 11 is a vent 111 and the other end is a suction port 112. A vent cover 113 is disposed at the vent 111, and the vent cover 113 has multiple vent holes 1130 and a handle 1131. The handle 1131 has a reciprocating space 1310 inside. The piston 12 is disposed in the piston space 110, and the edge of the piston 12 is made of elastic material to seal against the inner wall of the cylinder 11. The piston 12 is provided with a check valve 121, which can push the gas in the piston space 110 toward the suction port 112, and then allow air to enter through the vent cover 113.

[0055] One end of the pull rod 13 is connected to the end face of the piston 12 near the vent 111 and passes through the vent cover 113. The other end of the pull rod 13 has a handle 131, and the handle 131 has a limiting groove 132 on its end face perpendicular to the axial direction of the pull rod 13. The operator can pull the pull rod 13 by holding the handle 131 to drive the piston 12. The spring 14 is disposed in the piston space 110 near the vent 111. The two ends of the spring 14 abut against the piston 12 and the vent cover 113 respectively. When the operator releases the pull rod 13, the piston 12 naturally rebounds towards the intake port 112 in a free state and abuts against the intake port 112. The locking member 15 is disposed in the limiting groove 132 to reduce the stroke of the pull handle 131 in the reciprocating space 1310 and regulate the suction force of the pump body 1.

[0056] like Figure 2 As shown, the nasal aspirator body 2 has a liquid-containing space 20 inside, which is connected to the air inlet 112 via a connecting tube 3. One end of the nasal aspirator body 2 is the nasal aspirator opening. The nasal aspirator body 2 has a suction head 21 to cover the nasal aspirator opening. One end of the suction head 21 forms a suction end 211 with a gradually narrowing outer diameter for contacting the nasal cavity; the other end is provided with a suction head check valve 212 and is located in the liquid-containing space 20, which can prevent the liquid sucked into the liquid-containing space 20 by the suction end 211 from flowing back to the suction end 211.

[0057] like Figure 2 As shown, the operator can pull the lever 13 to drive the piston 12, so that the piston space 110 near the air inlet 112 forms a negative pressure, thereby drawing liquid through the nasal aspirator body 2.

[0058] like Figure 3As shown in the top view of the embodiment of the present utility model, the vent cover 113 and the pull rod 13 are arranged around the pull rod 13.

[0059] Preferably, the pull rod 13 is disposed on the central axis of the pump body 1.

[0060] Preferably, the vents 1130 are arranged radially around the pull rod 13.

[0061] like Figure 4 As shown in the first application cross-sectional schematic diagram of the present utility model embodiment, when the locking member 15 is set in the limiting slot 132, it reduces the travel of the pull handle 131 in the reciprocating space 1310, so that when the operator holds the handle 1131 and pulls the pull handle 131 with one hand, the amount of movement of the piston 12 is reduced, thereby reducing the negative pressure and reducing the suction force of the nasal aspirator body 2.

[0062] like Figure 1 As shown, when it is not necessary to reduce the suction power, the card holder 15 can be placed in the card slot 1132 to prevent loss.

[0063] like Figure 5 As shown in the schematic diagram of the nasal aspirator body 2 in this embodiment of the present invention, the inner wall of the nasal aspirator body 2 away from the nasal aspirator opening is provided with a protruding rib 22 to increase the adhesion of the liquid entering the liquid containing space 20, so that the liquid can better adhere to the inner wall of the nasal aspirator body 2.

[0064] like Figure 5 As shown, the nasal aspirator body 2 and the suction head 21 are connected by a quick-release structure, which allows for simple and quick disassembly and assembly of the nasal aspirator body for easy cleaning.

[0065] In a preferred embodiment of this utility model, there are multiple locking elements 15, which allows the suction power of the pump body 1 to be adjusted in multiple stages.

[0066] Preferably, there are multiple card slots 1132, and the number corresponds to the number of card holders 15, for storing multiple card holders 15 of different lengths.

[0067] Preferably, the piston 12 is provided with a silicone ring on its edge to increase the fit with the cylinder 11.

[0068] Preferably, the suction head 21 is made of silicone.

[0069] Preferably, the end of the latch 15 away from the handle 131 has a silicone pad to reduce the impact between the latch 15 and the handle 1131 during use.

[0070] Preferably, the lever 13 is connected to the piston 12 by a thread.

[0071] The embodiments described above are merely preferred embodiments of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the claims of the present invention. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention.

Claims

1. A two-stage manual nasal aspirator, characterized in that, include: The pump body, and includes: A cylindrical body, the interior of which forms a piston space, one end of which is a vent and the other end is a suction port; A vent cover is provided at the vent, the vent cover has multiple vent holes and a handle, and the interior of the handle forms a reciprocating space; A piston, disposed in the piston space, is used to push air toward the intake port, and the piston is equipped with a check valve; A pull rod, one end of which is connected to the piston near the vent and passes through the vent cover, and the other end of which has a pull handle, the pull handle having a limit groove on its end face perpendicular to the axial direction of the pull rod; A spring is disposed in the piston space near the vent, with both ends of the spring abutting against the piston and the vent cap respectively, so that the piston abuts against the intake port in a free state; as well as A locking element is provided in the limiting slot to reduce the travel of the pull handle in the reciprocating space; as well as The nasal aspirator body has an internal liquid-containing space. The nasal aspirator body is connected to the air inlet through a connecting tube. One end of the nasal aspirator body is the nasal aspirator opening and has a suction head to cover the nasal aspirator opening. The operator pulls the lever to drive the piston, creating a negative pressure in the direction of the piston toward the air inlet, thereby drawing liquid through the nasal aspirator body.

2. The two-stage manual nasal aspirator according to claim 1, characterized in that, The handle has a storage slot on the outside of the reciprocating space, which is used to store the card holder.

3. The two-stage manual nasal aspirator according to claim 2, characterized in that, One end of the suction tip forms a nasal suction end for contacting the nasal cavity, and the other end is provided with a suction tip check valve located in the liquid containing space; The inner wall of the nasal aspirator body at the end away from the nasal aspirator opening is provided with a rib, which allows the liquid to better adhere to the inner wall of the liquid containing space.

4. The two-stage manual nasal aspirator according to claim 3, characterized in that, There are multiple ribs.

5. The two-stage manual nasal aspirator according to claim 4, characterized in that, The nasal aspirator body and the suction head are connected by a quick-release structure, wherein the quick-release structure is a snap-fit.

6. The two-stage manual nasal aspirator according to any one of claims 3 to 5, characterized in that, The pump body has multiple locking components of different lengths, allowing the suction power to be adjusted in multiple stages.

7. The two-stage manual nasal aspirator according to claim 6, characterized in that, There are multiple card slots, and the number corresponds to the number of card holders.

8. The two-stage manual nasal aspirator according to any one of claims 3 to 5, characterized in that, The piston is also provided with a silicone ring on its edge to seal against the inner wall of the cylinder.

9. The two-stage manual nasal aspirator according to any one of claims 3 to 5, characterized in that, The suction head is made of silicone.

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