Sealing structure, soda lime tank and anaesthesia machine

Abstract

The utility model is suitable for the field of medical equipment, and provides a sealing structure, a soda lime tank and an anaesthesia machine. A cover; the sealing piece is arranged at the bottom of the cover and provided with a first side wall and a second side wall, the first side wall is far away from the inner wall of the tank body, the second side wall is close to the inner wall of the tank body, a notch is formed in the bottom surface of the sealing piece, and the maximum outer edge size of the second side wall is larger than or equal to the inner wall size of the tank body; when the cover is combined with the tank body, the second side wall of the sealing piece abuts against the inner side wall of the tank body and moves in the moving direction of the cover. The second side wall abuts against the inner wall of the tank body and generates elastic deformation, so that the second side wall and the inner wall of the soda lime tank are tightly attached to achieve sealing, when the soda lime tank is combined from bottom to top during installation, the second side wall and the soda lime tank move relatively, the second side wall scrapes off dust on the inner wall of the soda lime tank, and sealing is better achieved.

Description

Technical Field

[0001] The utility model belongs to the field of medical equipment, and in particular relates to a sealing structure, a soda lime tank and an anesthesia machine. Background Art

[0002] At present, the absorption of carbon dioxide in the breathing circuit of the anesthesia machine is all done by soda lime absorption. The soda lime is stored in the soda lime tank, so the soda lime tank is the main filtering and absorbing part of the circuit. The seal has a conical flange where the traditional sealing structure is connected to the soda lime tank. In actual use, soda lime dust is easily accumulated and difficult to clean. Air easily enters the soda lime tank from the accumulation of soda lime dust, which greatly affects the air quality in the breathing circuit. In addition, the accumulation of soda lime makes the overall assembly difficult to disassemble and assemble. Utility Model Content

[0003] The embodiments of the utility model provide a sealing structure, a soda lime tank and anesthesia machine, aiming to solve the problem that soda lime dust is easily accumulated in the traditional sealing structure, and air is easily entered into the soda lime tank from the soda lime dust accumulation, which greatly affects the air quality in the breathing circuit.

[0004] The utility model is implemented as follows: a sealing structure comprises a tank body; a lid; a sealing member, wherein the sealing member is arranged at the bottom of the lid, the sealing member is provided with a first side wall and a second side wall, the first side wall is away from the inner wall of the tank body, the second side wall is close to the inner wall of the tank body, the bottom surface of the sealing member is provided with a notch, and the maximum outer edge dimension of the second side wall is greater than or equal to the dimension of the inner wall of the tank body;

[0005] Wherein, when the cover is combined with the can body, the second side wall of the sealing member abuts against the inner side wall of the can body and moves toward the movement direction of the cover.

[0006] In one embodiment of the present application, the seal includes a mounting portion, a first extension portion, and a second extension portion. The mounting portion is arranged at the bottom of the lid, the first extension portion is arranged away from the inner wall of the tank body, the first extension portion extends vertically downward from the mounting portion, the second extension portion is arranged close to the inner wall of the tank body, and the second extension portion extends in a direction away from the first extension portion.

[0007] In one embodiment of the present application, a tray is further provided under the cover, the tray is connected and fixed to the bottom of the cover, and the tray supports the bottom of the first side wall.

[0008] In one embodiment of the present application, an upwardly protruding flange is provided on the edge of the tray, and the flange is snapped into the slot.

[0009] In one embodiment of the present application, the top of the inner wall of the tank is chamfered.

[0010] In one embodiment of the present application, the cross-section of the notch is semicircular.

[0011] In one embodiment of the present application, the sealing element is made of elastic material.

[0012] In one embodiment of the present application, a cross section of the second side wall and a bottom surface of the sealing element form an acute angle.

[0013] The utility model also provides a soda lime pot, comprising a sealing structure described in any one of the embodiments.

[0014] An embodiment of the utility model further provides an anesthesia machine, comprising a sealing structure described in any embodiment.

[0015] Beneficial effects achieved by the utility model: The utility model provides a sealing structure, including a tank body, a lid and a sealing member, wherein the sealing member is arranged at the bottom of the lid, and since the outer edge size of the second side wall is larger than the inner wall size of the tank body, the second side wall abuts against the inner wall of the tank body and generates elastic deformation, so that the second side wall and the inner wall of the soda lime tank are closely fitted to achieve sealing, and in addition, when the soda lime tank is installed, the second side wall moves relative to the soda lime tank, and the second side wall scrapes off the dust on the inner wall of the soda lime tank, so as to achieve better sealing. At the same time, the notch at the bottom of the sealing member can also make the second side wall expand and deform in the direction of the notch after interference deformation, so as to prevent the problem of difficulty in disassembly and assembly due to excessive interference. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional schematic diagram of a soda lime tank provided by an embodiment of the utility model;

[0017] Figure 2 This is an enlarged schematic diagram of point A of a soda lime tank provided by an embodiment of the utility model;

[0018] Figure 3 It is a cross-sectional view of a sealing member provided in an embodiment of the utility model.

[0019] Among them, 1. tank body; 2. lid; 3. seal; 31. first side wall; 32. second side wall; 33. mounting portion; 34. first extension portion; 35. second extension portion; 36. notch; 4. inner wall; 5. tray; 6. flange. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model. In addition, it should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model.

[0021] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "left", "right", "horizontal", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0023] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0025] The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. Of course, they are merely examples, and the purpose is not to limit the utility model. In addition, the utility model may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the utility model provides examples of various specific processes and materials, but those of ordinary skill in the art can be aware of the application of other processes and / or the use scenarios of other materials.

[0026] The present application provides a sealing structure including a tank body 1, a lid 2 and a sealing member 3. The sealing member 3 is arranged at the bottom of the lid 2. Since the outer edge size of the second side wall 32 is larger than the size of the inner wall 4 of the tank body, the second side wall 32 abuts against the inner wall 4 of the tank body and generates elastic deformation, so that the second side wall 32 and the inner wall 4 of the soda lime tank are closely fitted to achieve sealing. In addition, when the soda lime tank is installed from bottom to top, the second side wall 32 moves relative to the soda lime tank, and the second side wall 32 scrapes off the dust on the inner wall 4 of the soda lime tank to achieve better sealing. At the same time, the notch 36 at the bottom of the sealing member 3 can also make the second extension part 35 expand and deform in the direction of the notch 36 after interference deformation, so as to prevent the problem of difficulty in disassembly and assembly due to excessive interference.

[0027] Embodiment 1

[0028] Combination Figure 1 to Figure 2 As shown, this embodiment provides a sealing structure, including:

[0029] Tank 1;

[0030] Lid 2;

[0031] The sealing member 3 is arranged at the bottom of the cover 2. The sealing member 3 is provided with a first side wall 31 and a second side wall 32. The first side wall 31 is far away from the inner wall of the can body 1, and the second side wall 32 is close to the inner wall of the can body 1. A notch 36 is provided on the bottom surface of the sealing member 3. The maximum outer edge dimension of the second side wall 32 is greater than or equal to the inner wall dimension of the can body 1.

[0032] When the cover 2 is combined with the can body 1 , the second side wall 32 of the sealing member 3 abuts against the inner side wall of the can body 1 and moves toward the movement direction of the cover 2 .

[0033] The inner wall 4 of the tank body is circular, the seal 3 is arranged below the lid 2, the seal 3 is fixedly connected to the lid 2, and the seal 3 is circular. A mounting core can be arranged on the side of the lid 2 facing the tank body, so that the seal 3 is sleeved on the mounting core, and the first side wall 31 of the seal contacts the mounting core, and the mounting core provides a limit for the seal.

[0034] The outer edge size of the second side wall 32 outside the seal 3 is larger than the size of the inner wall 4 of the tank body. A notch 36 is provided at the bottom of the seal 3. The second side wall 32 of the sealing ring abuts against the inner wall 4 of the tank body. When the user combines the lid 2 with the tank body 1, the second side wall 32 of the seal 3 and the inner wall 4 of the tank body move relative to each other to scrape off the dust on the inner wall 4 of the tank body. At the same time, the design of the notch 36 allows the second side wall 32 to have elastic movement space, so that the second side wall 32 has space to avoid when contacting the inner wall 4 of the tank body.

[0035] It should be understood that the shape of the notch 36 is not fixed, and may be a rectangular notch, a semicircular notch, a triangular notch, etc.

[0036] In one embodiment, specifically, in combination Figure 3 As shown, the seal 3 includes a mounting portion 33, a first extension portion 34 and a second extension portion 35. The mounting portion 33 is arranged at the bottom of the cover 2, the first extension portion 34 is arranged away from the inner wall 4 of the tank body, the first extension portion 34 extends vertically downward from the mounting portion 33, the second extension portion 35 is arranged close to the inner wall 4 of the tank body, and the second extension portion 35 extends in a direction away from the first extension portion 34. The second extension portion 35 makes the second side wall 32 form an inclined surface inclined downward toward the inner wall 4 of the tank body, so that the contact between the second side wall 32 and the inner wall 4 of the tank body is line contact rather than surface contact, which greatly reduces friction and reduces the wear of the second extension portion 35.

[0037] In one embodiment, a tray 5 is further provided under the cover 2. The tray 5 is connected and fixed to the bottom of the cover 2. The tray 5 supports the bottom of the first side wall 31. The tray 5 is used to support the seal 3 to ensure that the seal 3 will not fall off due to long-term external friction.

[0038] Furthermore, an upwardly protruding flange 6 is provided on the edge of the tray 5, and the flange 6 is inserted into the groove 36. The flange 6 can limit the first extension portion 34 to prevent the seal 3 from being pulled out of its original position due to external force, thereby ensuring that the matching relationship between the seal 3 and the inner wall 4 of the tank body does not change, thereby improving the sealing performance.

[0039] Preferably, a sealing structure includes a chamfer on the top of the inner wall 4 of the tank body. Since the outer edge size of the second side wall 32 is larger than the size of the inner wall 4, a guiding chamfer is required on the inner top to prevent the second side wall 32 from abutting against the top of the inner wall 4 and getting stuck, thereby enhancing practicality.

[0040] In one embodiment, the cross section of the notch 36 is semicircular. Compared with the cross section of the notch 36 being rectangular, triangular, etc., the cross section of the notch 36 being semicircular has better resilience, making the second side wall 32 more stable when rebounding. And the cross section of the notch 36 being semicircular is easier to process.

[0041] In one embodiment, the sealing member 3 is made of an elastic material, specifically rubber, which has good resilience, is easy to plastically process, and is inexpensive.

[0042] In one embodiment, the cross-section of the second side wall 32 and the bottom surface of the seal 3 is at an acute angle, and the tip of the acute angle contacts the inner wall of the tank body 1. When the second side wall 32 is deformed, the tip better fits and rubs against the inner wall of the tank body 1, and can better scrape off the dust on the inner wall of the tank body 1.

[0043] Embodiment 2

[0044] Combination Figure 1 As shown, this embodiment also provides a soda lime tank, including a sealing structure in any embodiment.

[0045] Other implementations and beneficial effects of the soda lime tank of this embodiment are equivalent to the beneficial effects of the above-mentioned sealing structure, and will not be described in detail here.

[0046] Embodiment 3

[0047] Combination Figure 1 As shown, this embodiment provides an anesthesia machine, including the soda lime tank in the second embodiment.

[0048] Other implementations and beneficial effects of the anesthesia machine of this embodiment are equivalent to the beneficial effects of the above-mentioned sealing structure, and will not be described in detail here.

[0049] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sealing structure, characterized in that: include: Tank; cover; A sealing member, the sealing member is arranged at the bottom of the lid, the sealing member is provided with a first side wall and a second side wall, the first side wall is away from the inner wall of the tank body, the second side wall is close to the inner wall of the tank body, a notch is arranged on the bottom surface of the sealing member, and the maximum outer edge dimension of the second side wall is greater than or equal to the dimension of the inner wall of the tank body; Wherein, when the cover is combined with the can body, the second side wall of the sealing member abuts against the inner side wall of the can body and moves toward the movement direction of the cover.

2. A sealing structure according to claim 1, characterized in that: The sealing member includes a mounting portion, a first extension portion, and a second extension portion. The mounting portion is arranged at the bottom of the lid, the first extension portion is arranged away from the inner wall of the tank body, and the first extension portion extends vertically downward from the mounting portion. The second extension portion is arranged close to the inner wall of the tank body, and the second extension portion extends in a direction away from the first extension portion.

3. A sealing structure according to claim 1, characterized in that: A tray is also provided under the cover, the tray is connected and fixed to the bottom of the cover, and the tray supports the bottom of the first side wall.

4. A sealing structure according to claim 3, characterized in that: An upwardly protruding flange is provided on the edge of the tray, and the flange is snapped into the notch.

5. A sealing structure according to claim 1, characterized in that: The top of the inner wall of the tank is provided with a chamfer.

6. A sealing structure according to claim 1, characterized in that: The cross section of the notch is semicircular.

7. A sealing structure according to claim 1, characterized in that: The sealing element is made of elastic material.

8. A sealing structure as claimed in claim 2, characterized in that: The second side wall and the bottom surface of the seal member have an acute angle in cross section.

9. A soda lime pot, characterized in that: A sealing structure applied to any one of claims 1 to 8.

10. An anesthesia machine, characterized in that: Applicable to the soda lime tank described in claim 9.

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