Dustproof mechanism for medical negative pressure aspirator

Abstract

The utility model relates to the technical field of medical negative pressure aspirators, in particular to a dustproof mechanism for a medical negative pressure aspirator, which comprises a bottle body, a bottle cap and a through tube, the bottle cap is mounted at the top of the bottle body, the through tube is mounted on the bottle cap, a suction tube joint is mounted on one side of the bottle cap, and a convex part is annularly arranged on the outer wall of the suction tube joint. The suction tube further comprises a ring body installed on the through tube, a connecting line is fixedly arranged on one side of the ring body, an end socket is fixedly arranged at the end, away from the ring body, of the connecting line, a groove is formed in the end socket, a positioning groove is formed in the inner wall of the groove, the groove of the end socket is connected with the end of the suction tube connector, and the positioning groove is connected with the protruding part. According to the utility model, the ring body is arranged on the through pipe and is combined with the connecting line, so that the sealing head can be prevented from being separated from the bottle cap, and the sealing head has a sealing effect on the suction pipe joint and a dustproof effect on the suction pipe joint.

Description

Technical Field

[0001] The utility model relates to the technical field of medical negative pressure aspirators, in particular to a dustproof mechanism for medical negative pressure aspirators. Background Art

[0002] Negative pressure suction device is one of the more common medical devices, used to absorb sputum, pus, blood, and body fluids such as stagnant water in the human body. Negative pressure suction device is often used in children's wards. When not in use, the negative pressure suction device is usually inserted into the central negative pressure interface of the ward through a vacuum pipe joint. The suction pipe joint is not dust-proof and is easily contaminated. When in use, it is connected to the pipeline through the suction pipe joint.

[0003] Therefore, a dust-proof mechanism for medical negative pressure aspirator was invented. Utility Model Content

[0004] The purpose of the utility model is to provide a dust-proof mechanism for a medical negative pressure aspirator to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The dust-proof mechanism for a medical negative pressure suction device comprises a bottle body, a bottle cap and a through tube, wherein the bottle cap is installed on the top of the bottle body, the through tube is installed on the bottle cap, a suction tube joint is installed on one side of the bottle cap, a convex portion is arranged on the outer wall of the suction tube joint, and the device further comprises a ring body installed on the through tube, a connecting wire is fixedly arranged on one side of the ring body, a sealing head is fixedly arranged on one end of the connecting wire away from the ring body, a groove is arranged on the sealing head, a positioning groove is arranged on the inner wall of the groove, the groove of the sealing head is connected to the end of the suction tube joint, and the positioning groove is connected to the convex portion.

[0007] In a preferred embodiment of the utility model, a suction valve is installed on the bottle cap, and the suction valve includes a valve body and a valve cover arranged at one end of the valve body, a valve cavity is formed in the valve body, a vacuum pipe joint is provided at the other end of the valve body, the vacuum pipe joint extends into the valve cavity, and a valve core is provided in the valve cavity.

[0008] In a preferred embodiment of the utility model, the valve core is arranged corresponding to one end of the vacuum pipe joint extending into the valve cavity, the valve cover is provided with a through hole, a valve stem is provided in the through hole, a rotating handwheel is provided on the valve stem outer sleeve, the rotating handwheel is threadedly connected to the valve cover, a first spring is provided between the valve stem and the valve core, and a second spring is provided between the valve stem and the rotating handwheel.

[0009] In a preferred embodiment of the utility model, the valve cavity is connected to the inner cavity of the bottle body through a through pipe, and the through pipe extends into the inner cavity of the bottle body; a suction pipe joint is provided on the valve cover, and the suction pipe joint is connected to the inner cavity of the bottle body through a vertical pipe.

[0010] In a preferred embodiment of the present utility model, one end of the through pipe extending into the inner cavity of the bottle body is connected to a float, and the valve body and the valve cover are connected by a connecting nut.

[0011] In a preferred embodiment of the present utility model, a vacuum gauge is provided on the valve body, and a convex portion is provided on the outer wall of the vacuum pipe joint.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

[0013] A ring body is installed on the through pipe, a connecting line is fixedly provided on one side of the ring body, a sealing head is fixedly provided on the end of the connecting line away from the ring body, a groove is provided on the sealing head, a positioning groove is provided on the inner wall of the groove, the groove of the sealing head is connected to the end of the suction pipe joint, the positioning groove is connected to the convex part, the ring body is installed on the through pipe and combined with the connecting line, which can prevent the sealing head from being separated from the bottle cap, the sealing head has a sealing effect on the suction pipe joint, and has a dust-proof effect on the suction pipe joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0015] Figure 1 A front view of a dust-proof mechanism for a medical negative pressure aspirator;

[0016] Figure 2 A cross-sectional view of a dust-proof mechanism for a medical negative pressure aspirator;

[0017] Figure 3 The front view of the ring body, connecting wire and head of the dust-proof mechanism for medical negative pressure aspirator;

[0018] Figure 4 This is a cross-sectional view of the ring body, connecting wire and head in the dust-proof mechanism of a medical negative pressure aspirator.

[0019] In the figure: vacuum gauge 1, valve body 2, vacuum pipe joint 3, convex part 4, valve chamber 5, connecting nut 6, suction pipe joint 7, vertical pipe 8, float 9, bottle body 10, through pipe 11, bottle cap 12, valve cover 13, valve stem 14, second spring 15, rotating hand wheel 16, first spring 17, valve core 18, ring body 19, connecting line 20, head 21, groove 22, positioning groove 23. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0021] Please refer to Figure 1-4 , a dust-proof mechanism for a medical negative pressure suction device comprises a bottle body 10, a bottle cap 12 and a through pipe 11, the bottle cap 12 is installed on the top of the bottle body 10, the through pipe 11 is installed on the bottle cap 12, a suction pipe joint 7 is installed on one side of the bottle cap 12, a convex portion 4 is arranged on the outer wall of the suction pipe joint 7, and also comprises a ring body 19 installed on the through pipe 11, a connecting line 20 is fixedly arranged on one side of the ring body 19, a head 21 is fixedly arranged on the end of the connecting line 20 away from the ring body 19, a groove 22 is provided on the head 21, a positioning groove 23 is provided on the inner wall of the groove 22, the groove 22 of the head 21 is connected to the end of the suction pipe joint 7, and the positioning groove 23 is connected to the convex portion 4; the ring body 19, the connecting line 20 and the head 21 are all made of rubber material, the ring body 19 is installed on the through pipe 11, and combined with the connecting line 20, the head 21 can be prevented from being separated from the bottle cap 12, the head 21 has a sealing effect on the suction pipe joint 7, and has a dust-proof effect on the suction pipe joint 7;

[0022] The bottle cap 12 is provided with a suction valve, which includes a valve body 2 and a valve cover 13 arranged at one end of the valve body 2. A valve cavity 5 is formed in the valve body 2, and a vacuum pipe joint 3 is provided at the other end of the valve body 2. The vacuum pipe joint 3 extends into the valve cavity 5, and a valve core 18 is provided in the valve cavity 5; the valve core 18 is arranged corresponding to one end of the vacuum pipe joint 3 extending into the valve cavity 5, a through hole is provided on the valve cover 13, a valve stem 14 is provided in the through hole, a rotating hand wheel 16 is provided on the outer sleeve of the valve stem 14, the rotating hand wheel 16 is threadedly connected to the valve cover 13, and a valve stem 14 and the valve core 18 are provided between the valve stem 14 and the valve core 18. There is a first spring 17, and a second spring 15 is arranged between the valve stem 14 and the rotating hand wheel 16; the valve cavity 5 is connected with the inner cavity of the bottle body 10 through a through pipe 11, and the through pipe 11 extends into the inner cavity of the bottle body 10; a suction pipe joint 7 is arranged on the valve cover 13, and the suction pipe joint 7 is connected with the inner cavity of the bottle body 10 through a vertical pipe 8; a floating ball 9 is connected to one end of the through pipe 11 extending into the inner cavity of the bottle body 10, and the valve body 2 and the valve cover 13 are connected by a connecting nut 6; a vacuum gauge 1 is arranged on the valve body 2, and a convex portion 4 is arranged on the outer wall of the vacuum pipe joint 3.

[0023] The working principle of the utility model is as follows: the vacuum pipe joint 3 is connected to the vacuum device, the suction pipe joint 7 is inserted into the human body through the connecting pipe, and under the action of the vacuum device, the valve cavity 5 and the inner cavity of the bottle body 10 are evacuated, and a certain negative pressure is formed in the valve cavity 5 and the inner cavity of the bottle body 10. Under the action of the negative pressure, the body fluid enters the inner cavity of the bottle body 10 through the suction pipe joint 7 and the vertical pipe 8. When the liquid level in the inner cavity of the bottle body 10 reaches a certain height, the float 9 floats up and closes the through pipe 11; when the size of the negative pressure in the valve cavity 5 and the inner cavity of the bottle body 10 needs to be adjusted, it is only necessary to rotate the adjusting rotary hand wheel 16, and use the valve core 18 and the vacuum pipe joint 3 to open and close or fine-tune the opening degree between the two. The ring body 19 is installed on the through pipe 11, and combined with the connecting line 20, it can prevent the head 21 from being separated from the bottle cap 12. The head 21 has a sealing effect on the suction pipe joint 7 and has a dustproof effect on the suction pipe joint 7.

[0024] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A dust-proof mechanism for a medical negative pressure suction device, comprising a bottle body (10), a bottle cap (12) and a through tube (11), wherein the bottle body (10) is mounted on the top of the bottle body (10), the through tube (11) is mounted on the bottle cap (12), a suction tube joint (7) is mounted on one side of the bottle cap (12), and a convex portion (4) is provided on the outer wall of the suction tube joint (7), characterized in that: It also comprises a ring body (19) mounted on the through pipe (11), a connecting line (20) being fixedly provided on one side of the ring body (19), a sealing head (21) being fixedly provided on one end of the connecting line (20) away from the ring body (19), a groove (22) being provided on the sealing head (21), a positioning groove (23) being provided on the inner wall of the groove (22), the groove (22) of the sealing head (21) being connected to the end of the suction pipe joint (7), and the positioning groove (23) being connected to the convex portion (4).

2. The dust-proof mechanism for the medical negative pressure aspirator according to claim 1, characterized in that: The bottle cap (12) is provided with a suction valve, the suction valve comprising a valve body (2) and a valve cover (13) arranged at one end of the valve body (2), a valve cavity (5) is formed in the valve body (2), a vacuum pipe joint (3) is arranged at the other end of the valve body (2), the vacuum pipe joint (3) extends into the valve cavity (5), and a valve core (18) is arranged in the valve cavity (5).

3. The dust-proof mechanism for the medical negative pressure aspirator according to claim 2, characterized in that: The valve core (18) is arranged corresponding to one end of the vacuum pipe joint (3) extending into the valve cavity (5); a through hole is provided on the valve cover (13), a valve stem (14) is provided in the through hole, a rotating hand wheel (16) is provided on the outer sleeve of the valve stem (14), and the rotating hand wheel (16) is threadedly connected to the valve cover (13); a first spring (17) is provided between the valve stem (14) and the valve core (18), and a second spring (15) is provided between the valve stem (14) and the rotating hand wheel (16).

4. The dust-proof mechanism for the medical negative pressure aspirator according to claim 3, characterized in that: The valve cavity (5) is connected to the inner cavity of the bottle body (10) via a through pipe (11), and the through pipe (11) extends into the inner cavity of the bottle body (10); a suction pipe joint (7) is provided on the valve cover (13), and the suction pipe joint (7) is connected to the inner cavity of the bottle body (10) via a vertical pipe (8).

5. The dust-proof mechanism for the medical negative pressure aspirator according to claim 2, characterized in that: One end of the through pipe (11) extending into the inner cavity of the bottle body (10) is connected to a floating ball (9), and the valve body (2) and the valve cover (13) are connected via a connecting nut (6).

6. The dust-proof mechanism for the medical negative pressure aspirator according to claim 2, characterized in that: The valve body (2) is provided with a vacuum gauge (1), and the outer wall of the vacuum pipe joint (3) is provided with a convex portion (4).

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