Hand-pulling type negative pressure device for sucking snot and sputum

Abstract

The utility model relates to a hand-pulling type negative pressure device for sucking snot and sputum. The hand-pulling type negative pressure device comprises a shell part, a drawing mechanism and a nose sucking part, the shell part comprises an inner shell, a lower outer shell and an upper outer shell; the upper shell is detachably fixed on the inner shell; the upper outer shell covers the top of the inner shell, and the joint of the upper outer shell and the inner shell is bonded through a binder. The drawing mechanism comprises a pull rod, a piston and a spring; a square hole is formed in the middle of the top of the upper shell; the pull rod is slidably inserted into the square hole. Grooves are formed in the front side and the rear side of the pull rod. Fixing seats are fixed at the bottoms of the pull rods; an exhaust hole is formed in the fixed seat; a first check valve is arranged at the top of the exhaust hole; the nasal aspiration piece comprises a liquid storage bottle and an air inlet hose; a liquid storage bottle cap is arranged on the liquid storage bottle; an outer air inlet is formed in the bottom of the lower shell; an inner air inlet is formed in the bottom of the inner shell; and a second check valve is arranged at the top of the inner air inlet hole. The double-layer shell of the inner shell and the outer shell is easy to assemble, the inner shell and the upper shell are not detachable, and small accessories are not easy to lose.

Description

Technical Field

[0001] The utility model relates to the technical field of nasal cavity cleaning, in particular to a hand-pull type negative pressure device for sucking nasal mucus and phlegm. Background Art

[0002] The nasal suction device can be used to clean the user's nasal cavity. For users such as infants, children or patients, the nasal suction device can effectively clean impurities, mucus or other substances in the nasal cavity, making the user's nasal cavity unobstructed. Common nasal suction devices mainly generate negative pressure through a driver, and then use the negative pressure to generate a certain suction force on the nasal cavity, thereby sucking out the substances in the nasal cavity.

[0003] There are many small accessories inside the nasal suction device. After the user disassembles it, the small accessories can easily fall off and be lost, causing the product to not be used normally.

[0004] Therefore, it is necessary to provide a hand-pull type negative pressure device for suctioning nasal mucus and phlegm, so as to solve the above technical problems. Utility Model Content

[0005] The utility model aims to provide a hand-pull negative pressure device for suctioning snot and phlegm, with an inner and outer double-layer shell, which can be easily assembled, the lower shell can be easily disassembled and washed, the inner shell and the upper shell cannot be disassembled, the lubricant is not easy to overflow, and the small accessories are not easy to be lost.

[0006] In order to achieve the purpose of the above utility model, a hand-pull type negative pressure device for sucking snot and phlegm is provided, comprising a housing, a pulling mechanism and a nasal suction piece;

[0007] The housing member comprises an inner shell, a lower outer shell and an upper outer shell;

[0008] The upper portion of the outer wall of the inner shell is horizontally provided with an annular extension portion surrounding the outer shell;

[0009] The lower outer shell is detachably sleeved and fixed on the inner shell and is located below the annular extension;

[0010] The upper outer shell covers the top of the inner shell, and the upper outer shell is located above the annular extension portion. The connection between the upper outer shell and the inner shell is bonded with an adhesive, so that the upper outer shell and the inner shell form a non-detachable structure;

[0011] The pulling mechanism comprises a pull rod, a piston and a spring;

[0012] A square hole is provided at the middle position of the top of the upper shell, and the square hole passes through the inner and outer walls of the upper shell;

[0013] The cross section of the pull rod is adapted to the square hole, the pull rod is slidably inserted into the square hole, and grooves are provided on both the front and rear sides of the pull rod along the length direction of the pull rod, and the grooves extend from the top of the pull rod to the bottom of the pull rod;

[0014] A fixing seat is fixed at the bottom of the pull rod, and the piston is arranged on the fixing seat and is located in the inner shell and is adapted to the inner shell;

[0015] The fixing seat is provided with an exhaust hole, and the exhaust hole passes through the upper and lower surfaces of the fixing seat;

[0016] A first check valve is provided at the top of the exhaust hole. In the inner shell, the first check valve allows the medium below the first check valve to pass through the first check valve, while the medium above the first check valve cannot pass through the first check valve.

[0017] The spring is sleeved on the pull rod and is located between the fixing seat and the upper housing;

[0018] The nasal suction device comprises a liquid storage bottle and an air intake hose;

[0019] The liquid storage bottle is provided with a liquid storage bottle cap; a suction pipe hole is vertically arranged downward on the top of the liquid storage bottle cap, and the suction pipe hole extends all the way into the liquid storage bottle;

[0020] A transverse exhaust hole is provided on one side of the liquid storage bottle cap, and the transverse exhaust hole penetrates the inner and outer walls of the liquid storage bottle cap;

[0021] The bottom of the lower shell is provided with an outer air inlet hole, and the bottom of the inner shell is provided with an inner air inlet hole;

[0022] The outer air inlet and the inner air inlet are connected and share the same axis;

[0023] A second check valve is provided at the top of the inner air inlet hole, wherein the second check valve allows the medium below the second check valve to pass through the second check valve, while the medium above the second check valve cannot pass through the second check valve;

[0024] One end of the air intake hose is plugged into the transverse exhaust hole, and the other end is plugged into the external air intake hole.

[0025] Preferably, the upper portion of the outer wall of the inner shell is located below the annular extension and has a first external thread, and the upper portion of the outer wall of the inner shell is located above the annular extension and has a second external thread;

[0026] The upper inner wall of the lower shell has a first internal thread, the first internal thread is matched with the first external thread, and the lower shell is connected to the inner shell through the matching threads of the first internal thread and the first external thread;

[0027] The inner wall of the upper shell has a second internal thread, the second internal thread is matched with the second external thread, the upper shell is threadably connected to the inner shell via the matching second internal thread and the second external thread, and the threaded connection between the upper shell and the inner shell is coated with adhesive.

[0028] Preferably, a handle is provided on the upper shell.

[0029] Preferably, the pull rod is threadedly connected to the fixing seat.

[0030] Preferably, a reinforcement piece is provided at the connection between the first check valve and the fixing seat.

[0031] Furthermore, the inner wall of the upper shell is located at the edge of the square hole and extends vertically downward to form a square convex rib.

[0032] Preferably, a three-finger handle is provided on the top of the pull rod.

[0033] Preferably, the liquid storage bottle and the liquid storage bottle cap are threadedly connected.

[0034] Compared with the prior art, the hand-pull type negative pressure device for sucking snot and phlegm of the utility model has the following advantages:

[0035] (1) The double-layer shell of the inner and outer shells is adopted, which makes the assembly easy and simple. The lower shell is easy to disassemble and wash, while the inner shell cannot be disassembled, so the lubricant is not easy to spill. At the same time, it ensures that small accessories are not easy to be lost, which solves the common defects of similar devices on the market, such as the small accessories are easy to fall off and lose, and the lubricant is easy to spill. This device is basically for the needs of people with slow movements or inconvenience, such as young children or the elderly;

[0036] (2) Simple structure and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 This is a schematic structural diagram of a hand-pull type negative pressure device for suctioning snot and phlegm according to this embodiment;

[0038] Figure 2 An exploded view of a hand-pull type negative pressure device for suctioning snot and phlegm according to the present embodiment;

[0039] Figure 3 is a schematic structural diagram of the upper housing in this embodiment;

[0040] Figure 4 It is a cross-sectional view of a hand-pull type negative pressure device for suctioning snot and phlegm of this embodiment. DETAILED DESCRIPTION

[0041] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0042] like Figure 1 As shown, a hand-pull type negative pressure device for suctioning snot and phlegm in this embodiment includes a shell, a pulling mechanism and a nasal suction piece.

[0043] like Figure 2 As shown, the shell member includes an inner shell 1, a lower outer shell 2 and an upper outer shell 3; an annular extension portion 4 is horizontally provided on the upper part of the outer wall of the inner shell 1 around the outer shell; the lower outer shell 2 is detachably sleeved and fixed on the inner shell 1, and is located below the annular extension portion 4; the upper outer shell 3 covers the top of the inner shell 1, and the upper outer shell 3 is located above the annular extension portion 4, and the connection between the upper outer shell 3 and the inner shell 1 is bonded with an adhesive, so that the upper outer shell 3 and the inner shell 1 form a non-detachable structure, which effectively prevents the loss of small parts in the inner shell 1.

[0044] In this embodiment, the upper portion of the outer wall of the inner shell 1 is located below the annular extension portion 4 and has a first external thread 5, and the upper portion of the outer wall of the inner shell 1 is located above the annular extension portion 4 and has a second external thread 6; Figure 3 As shown, the upper inner wall of the lower shell 2 has a first internal thread 7, which is matched with the first external thread 5, and the lower shell 2 is threadably connected to the inner shell 1 through the matching threads of the first internal thread 7 and the first external thread 5; the inner wall of the upper shell 3 has a second internal thread 8, which is matched with the second external thread 6, and the upper shell 3 is threadably connected to the inner shell 1 through the matching threads of the second internal thread 8 and the second external thread 6, and the threaded connection between the upper shell 3 and the inner shell 1 is coated with the adhesive; such a configuration can, on the one hand, realize the rapid installation of the upper shell 3, the lower shell 2 and the inner shell 1, and on the other hand, make the upper shell 3 and the inner shell 1 form a non-detachable structure.

[0045] In this embodiment, a handle 9 is provided on the upper housing 3 to facilitate the user to hold it.

[0046] The pulling and pulling mechanism includes a pull rod 10, a piston 11 and a spring 12; a square hole 13 is provided in the middle of the top of the upper shell 3, and the square hole 13 passes through the inner and outer walls of the upper shell 3; the cross section of the pull rod 10 is adapted to the square hole 13, and the pull rod 10 is slidably inserted into the square hole 13, and the front and rear sides of the pull rod 10 are provided with grooves 14 along the length direction of the pull rod 10, and the grooves 14 extend from the top of the pull rod 10 to the bottom of the pull rod 10; a fixing seat 15 is fixed to the bottom of the pull rod 10, and the piston 11 is arranged on the fixing seat 15, and is located in the inner shell 1 and adapted to the inner shell 1; Figure 4As shown, the fixing seat 15 is provided with an exhaust hole 16, and the exhaust hole 16 passes through the upper and lower surfaces of the fixing seat 15; a first check valve 17 is provided on the top of the exhaust hole 16, and in the inner shell 1, the first check valve 17 allows the medium located below the first check valve 17 to pass through the first check valve 17, while the medium located above the first check valve 17 cannot pass through the first check valve 17; the spring 12 is sleeved on the pull rod 10 and is located between the fixing seat 15 and the upper outer shell 3.

[0047] In this embodiment, the pull rod 10 and the fixing seat 15 are threadedly connected to facilitate installation.

[0048] In this embodiment, a reinforcing member 18 is provided at the connection between the first check valve 17 and the fixing seat 15 to effectively prevent the first check valve 17 from falling off from the fixing seat 15 .

[0049] In this embodiment, the inner wall of the upper shell 3 extends vertically downward at the edge of the square hole 13 to form a square rib 19, which can guide the pull rod 10 to a certain extent and effectively prevent the lubricant in the inner shell 1 from overflowing.

[0050] In this embodiment, a three-finger handle 20 is provided on the top of the pull rod 10 to facilitate the user to operate the pull rod 10 .

[0051] The nasal suction device includes a liquid storage bottle 21 and an air intake hose 22; a liquid storage bottle cover 23 is provided on the liquid storage bottle 21. In the present embodiment, the liquid storage bottle 21 and the liquid storage bottle cover 23 are threadedly connected, which is convenient for disassembling and cleaning the liquid storage bottle 21; a suction pipe hole 24 is vertically downwardly provided on the top of the liquid storage bottle cover 23, and the suction pipe hole 24 extends all the way into the liquid storage bottle 21; a transverse exhaust hole 25 is provided on one side of the liquid storage bottle cover 23, and the transverse exhaust hole 25 passes through the inner and outer walls of the liquid storage bottle cover 23; the bottom of the lower shell 2 An outer air inlet hole 26 is provided, and an inner air inlet hole 27 is provided at the bottom of the inner shell 1; the outer air inlet hole 26 and the inner air inlet hole 27 are connected and share the same axis; a second check valve 28 is provided on the top of the inner air inlet hole 27, and the second check valve 28 allows the medium located below the second check valve 28 to pass through the second check valve 28, while the medium located above the second check valve 28 cannot pass through the second check valve 28; one end of the air intake hose 22 is plugged into the transverse exhaust hole 25, and the other end is plugged into the outer air inlet hole 26.

[0052] like Figure 4As shown, when a hand-pull negative pressure device for suctioning snot and phlegm is used, the liquid storage bottle cover 23 can be inserted into the nostril or the mouth. Taking insertion into the nostril as an example, the user holds the handle 9 with one hand and pulls the three-finger handle 20 with the other hand, and pulls the pull rod 10 upward. Under the action of negative pressure, the snot in the nostril is sucked into the liquid storage bottle cover 23 and enters the liquid storage bottle 21 along the suction pipe hole 24, and the gas brought into the liquid storage bottle 21 enters the inner shell 1 through the horizontal exhaust hole 25, the air intake hose 22, the external air intake hole 26, the internal air intake hole 27 and the second check valve 28 in sequence; the user then pushes the pull rod 10 downward, the gas is compressed inside, passes through the first check valve 17, and is discharged through the gap between the groove 14 on the pull rod 10 and the square hole 13 of the upper shell 3.

[0053] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A hand-pull type negative pressure device for suctioning nasal mucus and phlegm, characterized in that: It includes a shell part, a pulling mechanism and a nose suction part; The housing member comprises an inner shell, a lower outer shell and an upper outer shell; The upper portion of the outer wall of the inner shell is horizontally provided with an annular extension portion surrounding the outer shell; The lower outer shell is detachably sleeved and fixed on the inner shell and is located below the annular extension; The upper outer shell covers the top of the inner shell, and the upper outer shell is located above the annular extension portion. The connection between the upper outer shell and the inner shell is bonded with an adhesive, so that the upper outer shell and the inner shell form a non-detachable structure; The pulling mechanism comprises a pull rod, a piston and a spring; A square hole is provided at the middle position of the top of the upper shell, and the square hole passes through the inner and outer walls of the upper shell; The cross section of the pull rod is adapted to the square hole, the pull rod is slidably inserted into the square hole, and grooves are provided on both the front and rear sides of the pull rod along the length direction of the pull rod, and the grooves extend from the top of the pull rod to the bottom of the pull rod; A fixing seat is fixed at the bottom of the pull rod, and the piston is arranged on the fixing seat and is located in the inner shell and is adapted to the inner shell; The fixing seat is provided with an exhaust hole, and the exhaust hole passes through the upper and lower surfaces of the fixing seat; A first check valve is provided at the top of the exhaust hole. In the inner shell, the first check valve allows the medium below the first check valve to pass through the first check valve, while the medium above the first check valve cannot pass through the first check valve. The spring is sleeved on the pull rod and is located between the fixing seat and the upper housing; The nasal suction device comprises a liquid storage bottle and an air intake hose; The liquid storage bottle is provided with a liquid storage bottle cap; a suction pipe hole is vertically arranged downward on the top of the liquid storage bottle cap, and the suction pipe hole extends all the way into the liquid storage bottle; A transverse exhaust hole is provided on one side of the liquid storage bottle cap, and the transverse exhaust hole penetrates the inner and outer walls of the liquid storage bottle cap; The bottom of the lower shell is provided with an outer air inlet hole, and the bottom of the inner shell is provided with an inner air inlet hole; The outer air inlet and the inner air inlet are connected and share the same axis; A second check valve is provided at the top of the inner air inlet hole, wherein the second check valve allows the medium below the second check valve to pass through the second check valve, while the medium above the second check valve cannot pass through the second check valve; One end of the air intake hose is plugged into the transverse exhaust hole, and the other end is plugged into the external air intake hole.

2. A hand-pull type negative pressure device for suctioning snot and phlegm as claimed in claim 1, characterized in that: The upper portion of the outer wall of the inner shell is located below the annular extension and has a first external thread, and the upper portion of the outer wall of the inner shell is located above the annular extension and has a second external thread; The upper inner wall of the lower shell has a first internal thread, the first internal thread is matched with the first external thread, and the lower shell is connected to the inner shell through the matching threads of the first internal thread and the first external thread; The inner wall of the upper shell has a second internal thread, the second internal thread is matched with the second external thread, the upper shell is threadably connected to the inner shell via the matching second internal thread and the second external thread, and the threaded connection between the upper shell and the inner shell is coated with adhesive.

3. A hand-pull type negative pressure device for suctioning snot and phlegm as claimed in claim 1 or 2, characterized in that: A handle is provided on the upper shell.

4. A hand-pull type negative pressure device for suctioning snot and phlegm as claimed in claim 1, characterized in that: The pull rod is threadedly connected to the fixing seat.

5. A hand-pull type negative pressure device for suctioning snot and phlegm as claimed in claim 1 or 4, characterized in that: A reinforcing piece is provided at the connection between the first check valve and the fixing seat.

6. A hand-pull type negative pressure device for suctioning snot and phlegm as claimed in claim 5, characterized in that: The inner wall of the upper shell is located at the edge of the square hole and extends vertically downward to form a square convex rib.

7. A hand-pull type negative pressure device for suctioning snot and phlegm as claimed in claim 1 or 4, characterized in that: A three-finger handle is provided on the top of the pull rod.

8. A hand-pull type negative pressure device for suctioning snot and phlegm as claimed in claim 1, characterized in that: The liquid storage bottle and the liquid storage bottle cap are threadedly connected.

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