Connecting assembly and air supply system

Abstract

The utility model provides a connecting assembly and an air supply system. The connecting assembly and the air supply system are used for connecting ventilation equipment and a breathing mask into a whole so as to provide breathable air for a user. The connecting assembly comprises a first pipe fitting and a second pipe fitting, a groove is formed in the inner wall of one end of the first pipe fitting, and the second pipe fitting comprises a pipe body and a buckling part which is connected to the peripheral side of the pipe body and corresponds to the groove in position; when a user assembles and fixes the first pipe fitting and the second pipe fitting, the end, provided with the buckling part, of the second pipe fitting is inserted into the first pipe fitting, and the buckling part is buckled and fixed to the groove. The end, away from the groove, of the first pipe fitting is used for being connected with one of the ventilation equipment and the breathing mask, and the end, away from the buckling part, of the second pipe fitting is used for being connected with the other one of the ventilation equipment and the breathing mask. The connecting assembly is simple in structure and easy and convenient to assemble and operate.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to a connection component and an air supply system. Background Art

[0002] When respiratory diseases are treated clinically in the respiratory department, respiratory masks are often used. When respiratory diseases are treated clinically in the respiratory department, respiratory masks are often used. In the related art, the respiratory mask needs to be used in conjunction with a ventilation device so that the breathable gas output from the ventilation device can be delivered to the user through a conduit. When using the respiratory mask, the ventilation device needs to be connected to the respiratory mask through a conduit, thereby providing breathable gas to the user of the respiratory mask. However, when the conduit on the ventilation device is connected to the corresponding pipe fitting of the respiratory mask, the interference between the pipes is large and the flexibility is poor, which brings inconvenience to the assembly operation of the staff and affects the user experience. Utility Model Content

[0003] The technical purpose of the utility model is to provide a connection component and an air supply system, aiming to solve the problem of inconvenient assembly operation when the breathing mask is connected and used with the ventilation equipment in the related art.

[0004] To solve the above technical problems, the utility model is implemented as follows: on the one hand, a connection assembly is provided for connecting a ventilation device and a breathing mask into one body to provide breathable gas to a user; the connection assembly comprises a first pipe fitting and a second pipe fitting, the inner wall of one end of the first pipe fitting has a groove, the second pipe fitting comprises a pipe body, and a snap-fitting portion connected to the outer peripheral side of the pipe body and corresponding to the position of the groove; when the user assembles and fixes the first pipe fitting and the second pipe fitting, the end of the second pipe fitting provided with the snap-fitting portion is inserted into the first pipe fitting and the snap-fitting portion is snap-fitted and fixed with the groove; the end of the first pipe fitting away from the groove is used to connect to one of the ventilation device and the breathing mask, and the end of the second pipe fitting away from the snap-fitting portion is used to connect to the other of the ventilation device and the breathing mask.

[0005] Furthermore, a clearance opening is provided at one end of the tube body; the clearance opening is located at the end where the buckle part is located, and the clearance opening and the buckle part are spaced apart from each other.

[0006] Furthermore, the second pipe has at least two symmetrically arranged buckling parts, and the clearance openings are respectively arranged between two adjacent buckling parts.

[0007] Furthermore, the second pipe fitting also includes an abutting edge which is arranged around the outer circumference of the pipe body and spaced apart from the buckling portion. When the buckling portion is buckled and connected with the first pipe fitting, the abutting edge and the port of the first pipe fitting abut against each other.

[0008] Furthermore, a guiding inclined surface is formed on a side of the buckling portion away from the abutting edge.

[0009] Furthermore, the pipe body includes a first pipe section and a second pipe section defined by an abutting edge. When the first pipe fitting and the second pipe fitting are assembled and fixed, the first pipe section is located inside the first pipe fitting. The diameter of the first pipe section gradually decreases from one end connected to the abutting edge to the end away from the abutting edge.

[0010] Furthermore, the engagement amount of the snap-fitting portion and the groove when snap-fitting is connected is 0.1 to 0.3 mm.

[0011] Furthermore, the shape of the opening is one of a U-shape, a semicircle, and a semi-square frame.

[0012] Furthermore, the material of the first pipe is PP plastic, and / or the material of the second pipe is PC plastic or ABS plastic.

[0013] Another aspect provides an air supply system, comprising a ventilation device, a breathing mask and a connecting assembly as described in the first aspect.

[0014] Compared with the prior art, the connection assembly in the utility model has the following beneficial effects: the sizes of the first pipe fitting and the second pipe fitting are just adapted, and when the user needs to assemble and fix the first pipe fitting and the second pipe fitting, it is only necessary to directly insert the end of the second pipe fitting with the buckle part into the corresponding position of the first pipe fitting; after the first pipe fitting and the second pipe fitting are aligned, the buckle part of the second pipe fitting automatically returns to its original state because it is no longer subjected to the squeezing force of the first pipe fitting, thereby realizing automatic buckling with the first pipe fitting. The first pipe fitting and the second pipe fitting are connected by buckling and fixing, which can fully ensure the stability of the connection between the first pipe fitting and the second pipe fitting, and the assembly operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the connecting assembly in the embodiment of the utility model;

[0016] Figure 2 yes Figure 1 Section view in the AA direction;

[0017] Figure 3 yes Figure 2 Enlarged view of detail a;

[0018] Figure 4 This is a schematic diagram of the overall structure of the second pipe member in the embodiment of the utility model;

[0019] Figure 5 It is a schematic diagram of assembling the connecting component and the breathing mask in an embodiment of the utility model.

[0020] In the accompanying drawings, the reference numerals represent: 1. first pipe fitting; 2. second pipe fitting; 21. pipe body; 22. buckling portion; 221. guide slope; 21a. clearance opening; 23. abutment edge; 3. breathing mask; 31. frame assembly; 32. soft rubber pad. DETAILED DESCRIPTION

[0021] The embodiments of the utility model 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 intended to be used to explain the utility model, and cannot be understood as limiting the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "circumferential", "radial" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] 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 the indicated technical features. 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.

[0024] Example:

[0025] like Figure 1-5As shown, in this embodiment, a connecting assembly is used to connect a ventilation device and a breathing mask 3 as a whole to provide breathable gas to a user; the connecting assembly includes a first pipe fitting 1 and a second pipe fitting 2, the inner wall of one end of the first pipe fitting 1 has a groove, and the second pipe fitting 2 includes a tube body 21 and a buckling portion 22 connected to the outer peripheral side of the tube body 21 and corresponding to the position of the groove; when the user assembles and fixes the first pipe fitting 1 and the second pipe fitting 2, one end of the second pipe fitting 2 provided with the buckling portion 22 is inserted into the first pipe fitting 1 and the buckling portion 22 is buckled and fixed with the groove; the end of the first pipe fitting 1 away from the groove is used to connect to one of the ventilation device and the breathing mask 3, and the end of the second pipe fitting 2 away from the buckling portion 22 is used to connect to the other of the ventilation device and the breathing mask 3.

[0026] Specifically, the sizes of the first pipe fitting 1 and the second pipe fitting 2 are just adapted, and the outer diameter of the second pipe fitting 2 can be equal to or slightly smaller than the inner diameter of the first pipe fitting 1. The buckle 22 can be a boss, and the first pipe fitting 1 has a groove for matching with the boss. When the user needs to assemble and fix the first pipe fitting 1 and the second pipe fitting 2, it is only necessary to directly insert the end of the second pipe fitting 2 with the buckle 22 into the corresponding position of the first pipe fitting 1; after the first pipe fitting 1 and the second pipe fitting 2 are aligned, the buckle 22 of the second pipe fitting 2 automatically returns to its original state because it is no longer subjected to the squeezing force of the first pipe fitting 1, thereby realizing automatic buckling with the first pipe fitting 1. The first pipe fitting 1 and the second pipe fitting 2 are connected by buckling and fixing, which can fully ensure the stability of the connection between the first pipe fitting 1 and the second pipe fitting 2, and the assembly operation is simple. It can be understood that in this embodiment, the end of the first pipe fitting 1 away from the groove can be connected to the ventilation device, and the end of the second pipe fitting 2 away from the buckle 22 can be connected to the breathing mask 3. Of course, in some other embodiments, the end of the first tube 1 away from the groove may be connected to the breathing mask 3, and the end of the second tube 2 away from the buckle 22 may be connected to the ventilation device. This is not limited here.

[0027] In this embodiment, a clearance opening 21a is provided at one end of the tube body 21; the clearance opening 21a is located at the end where the buckle part 22 is located, and the clearance opening 21a and the buckle part 22 are spaced apart from each other. The existence of the clearance opening 21a can increase the elasticity of the second tube 2, that is, the existence of the clearance opening 21a makes it easier for the second tube 2 to undergo elastic deformation, thereby making the operation of the operator easier and more labor-saving.

[0028] Further, in this embodiment, the first pipe fitting 1 can be a rotating part connected to the ventilation device, the second pipe fitting 2 can be a curved pipe connected to the breathing mask 3, and the second pipe fitting 2 has at least two symmetrically arranged buckling parts 22, and the clearance opening 21a is respectively arranged between the two adjacent buckling parts 22. The inner wall of the first pipe fitting 1 can be provided with a groove corresponding to the position and shape of the buckling part 22. When the first pipe fitting 1 and the second pipe fitting 2 are aligned, the buckling part 22 of the second pipe fitting 2 automatically returns to its original state because it is no longer subjected to the squeezing force of the first pipe fitting 1, and the buckling part 22 is snapped into the corresponding groove, thereby realizing the automatic buckling between the second pipe fitting 2 and the first pipe fitting 1. Preferably, two buckling parts 22 are provided in this embodiment. Of course, three, four, five buckling parts 22 can also be provided, which is not limited here.

[0029] In this embodiment, the second pipe fitting 2 also includes an abutment edge 23 arranged around the outer peripheral side of the pipe body 21 and spaced from the buckle portion 22. When the buckle portion 22 is buckled and connected with the first pipe fitting 1, the abutment edge 23 and the port of the first pipe fitting 1 abut each other. The abutment edge 23 in this embodiment can be an annular flange that matches the shape of the port of the first pipe fitting 1. The setting of the abutment edge 23 can prevent the user from applying too much force when inserting the second pipe fitting 2 into the first pipe fitting 1, resulting in the position being unable to be aligned, thereby reducing the risk of the first pipe fitting 1 and the second pipe fitting 2 being loosely connected (no buckle), and also reducing the risk of the pipe fitting being damaged due to operator error (excessive force). Further, in this embodiment, a guide slope 221 is formed on the side of the buckle portion 2 away from the abutment edge 23, so that the second pipe fitting 2 is easier to be inserted into the first pipe fitting 1. Of course, in some other embodiments, a guiding inclined surface 221 may be provided on one side of the buckling portion 22 close to the abutting edge 23 to make the detachment operation of the second pipe 2 and the first pipe 1 easier.

[0030] In this embodiment, the tube body 21 includes a first tube section and a second tube section defined by an abutment edge 23, that is, the second tube section is connected between the first tube section and the breathing mask 3. When the first tube 1 and the second tube 2 are assembled and fixed, the first tube section is located in the first tube 1 and the buckle portion 22 is buckled and fixed with the groove; the diameter of the first tube section gradually decreases from the end connected to the abutment edge 23 to the end away from the abutment edge 23, so that the second tube 2 is easier to insert or pull out of the first tube 1, reducing the difficulty of disassembly and assembly operations for the staff. The outer diameter of the largest diameter on the first tube section is equal to or slightly smaller than the inner diameter of the first tube 1. It can be understood that in some other embodiments, the diameter of the first tube section can also be equal everywhere, which is not limited here. In this embodiment, the amount of engagement when the snap-fitting portion 22 is snap-fitted with the first pipe fitting 1 can be 0.1 to 0.3 mm; the average thickness of the first pipe fitting 1 can be 1 to 2 mm, and the average thickness of the second pipe fitting 2 can be 1 to 4 mm, thereby fully ensuring the stability of the connection between the first pipe fitting 1 and the second pipe fitting 2.

[0031] In this embodiment, the provision of the clearance opening 21a can reduce the amount of interference between the first pipe fitting 1 and the second pipe fitting 2, thereby making the assembly and disassembly operations between the first pipe fitting 1 and the second pipe fitting 2 easier and more labor-saving. The clearance opening 21a can be a notch formed by removing a certain amount of material at the end of the second pipe fitting 2 away from the breathing mask 3, and the shape of the clearance opening 21a can be one of a U-shape, a semicircle, and a semi-square shape. The shape of the clearance opening 21a can also be a semi-elliptical shape, an irregular shape, etc., and the shape of the clearance opening 21a can also be a combination of the above shapes, which is not limited here. One or more clearance openings 21a can also be provided. When the clearance openings 21a are provided in plurality, the clearance openings 21a at different positions can have the same shape or different shapes, which is not limited here. Preferably, in the present embodiment, two symmetrical U-shaped clearance openings 21a are provided, and the distances from the same clearance opening 21a to the buckling parts 22 on both sides thereof are equal, which increases the elasticity of the second pipe fitting 2 and makes the second pipe fitting 2 deform more evenly during the insertion into the first pipe fitting 1. In the present embodiment, the material of the first pipe fitting can be PP plastic, which is also polypropylene, a semi-crystalline thermoplastic with high impact resistance and strong mechanical properties. The material of the second pipe fitting 2 can be PC plastic or ABS plastic. PC plastic, also known as polycarbonate, is a high molecular polymer containing carbonate groups in the molecular chain, with high strength and elastic coefficient, high impact strength, good fatigue resistance, and good mechanical properties. ABS plastic has excellent impact resistance, heat resistance, low temperature resistance, chemical resistance and electrical properties, and also has the advantages of easy processing and stable product size.

[0032] An air supply system comprises a ventilation device, a breathing mask 3 and a connecting assembly as described in the first aspect above.

[0033] Specifically, the ventilation device can be a ventilator, which includes a body and a catheter connected to the body, and the catheter can be connected to the first pipe 1. The first pipe 1 and the catheter are interference-fitted and tightly fixed. The groove for fastening and fixing with the snap-fit ​​portion 22 can be set at an end of the first catheter 1 away from the catheter. When the patient needs air supply, the end of the second pipe 2 away from the breathing mask 3 can be directly inserted into the first catheter 1; when the patient does not need air supply, the first pipe 1 can be unplugged, that is, the catheter and the first catheter 1 are detached from the connecting assembly together, which is simple to operate.

[0034] Furthermore, in the present embodiment, the respiratory mask 3 includes a frame assembly 31 connected to the second pipe 2, and a soft rubber pad 32 connected to the frame assembly 31 and used for contacting the face. The frame assembly 31 is used to support the respiratory mask and form a cavity to accommodate the patient's nose or nose and mouth. Of course, the frame assembly 31 can also be enclosed together with the soft rubber pad 32 to form a cavity to accommodate the patient's nose or nose and mouth. The frame assembly 31 includes a frame and a forehead support frame connected to the frame. The forehead support frame is used to abut against the patient's forehead, so that the support force provided by the forehead can be used to alleviate the pressure of the mask on the user's face. The soft rubber pad 32 can enhance the comfort of the user wearing the respiratory mask.

[0035] The above description is only a preferred embodiment of the present invention and is 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 connection assembly for connecting a ventilation device and a breathing mask to provide breathable gas to a user; It is characterized in that The connecting component includes a first pipe fitting and a second pipe fitting, the inner wall of one end of the first pipe fitting has a groove, and the second pipe fitting includes a pipe body and a buckling portion connected to the outer peripheral side of the pipe body and corresponding to the position of the groove; when the user assembles and fixes the first pipe fitting and the second pipe fitting, the end of the second pipe fitting provided with the buckling portion is inserted into the first pipe fitting and the buckling portion is buckled and fixed with the groove; the end of the first pipe fitting away from the groove is used to connect to one of the ventilation device and the breathing mask, and the end of the second pipe fitting away from the buckling portion is used to connect to the other of the ventilation device and the breathing mask.

2. The connection assembly according to claim 1, It is characterized in that A clearance opening is arranged at one end of the tube body; the clearance opening is located at the end where the buckle part is located, and the clearance opening and the buckle part are spaced apart from each other.

3. The connection assembly according to claim 2, It is characterized in that The second pipe has at least two symmetrically arranged buckling parts, and the clearance openings are respectively arranged between two adjacent buckling parts.

4. The connection assembly according to claim 1, It is characterized in that The second pipe also includes an abutment edge which is arranged around the outer circumference of the pipe body and spaced apart from the buckling portion. When the buckling portion is buckled and connected with the first pipe, the abutment edge abuts against the port of the first pipe.

5. The connection assembly according to claim 4, It is characterized in that A guiding inclined surface is formed on one side of the buckling portion away from the abutting edge.

6. The connection assembly according to claim 4, It is characterized in that The pipe body includes a first pipe section and a second pipe section defined by the abutment edge. When the first pipe fitting and the second pipe fitting are assembled and fixed, the first pipe section is located inside the first pipe fitting. The diameter of the first pipe section gradually decreases from one end connected to the abutment edge to an end away from the abutment edge.

7. The connection assembly according to claim 1, It is characterized in that The engagement amount of the snap-fitting portion and the groove when snap-fitting is connected is 0.1 to 0.3 mm.

8. The connection assembly according to claim 2, It is characterized in that The shape of the clearance opening is one of a U-shape, a semicircle, and a semi-square frame.

9. The connection assembly according to claim 1, It is characterized in that The material of the first pipe is PP plastic, and / or the material of the second pipe is PC plastic or ABS plastic.

10. A gas supply system, It is characterized in that The invention comprises a ventilation device, a breathing mask and a connection assembly as claimed in any one of claims 1 to 9.

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