High-fitting-degree breathing mask without front pad support

Abstract

The invention discloses a high-fitting-degree front-pad-support-free breathing mask and relates to the technical field of breathing masks.The high-fitting-degree front-pad-support-free breathing mask comprises a mask body, a soft shrinkage pad is fixedly connected to the edge of the outer side wall of the mask body, a traceless pad is fixedly connected to the end, away from the mask body, of the soft shrinkage pad, and a first connecting belt is fixedly connected to the outer side wall of the mask body; a second connecting band is fixedly connected to the side, away from the first connecting band, of the mask body, and an adjusting assembly is fixedly connected to the end, away from the mask body, of the first connecting band and comprises a mounting base fixed to the outer side wall of the first connecting band. A soft contraction pad and a traceless pad which are fixedly connected with the outer side wall of the mask body are attached to the face of a user, the soft contraction pad can contract when being extruded, so that the traceless pad is tightly attached to the face of the user, a second connecting belt is contracted through an adjusting assembly, and therefore the mask body is fixed to the face of the user; therefore, the fitting degree of the mask main body is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of breathing masks, in particular to a breathing mask without front pad support with high fit. Background Art

[0002] Respiratory masks are indispensable equipment in the treatment of respiratory diseases. They are used to connect patients to ventilators or simple respirators, and serve as an important channel for gases to enter the patient's body. Especially in the fields of critical care medicine, chronic obstructive pulmonary disease, sleep apnea syndrome, etc., the use of respiratory masks is of great significance for stabilizing the condition and saving lives.

[0003] Traditional respiratory masks usually include a headband, a forehead pad, a mask, an interface and a sealing pad. The forehead pad is designed mainly to provide support and fixation. However, in actual applications, the user's face will deform when turning or talking, and the support of the forehead pad will easily cause a gap between the mask and the user's face, which in turn leads to poor sealing between the mask and the face, which is prone to gas leakage and affects the treatment effect.

[0004] The existing solutions mentioned above have the following problems Summary of the invention

[0005] The object of the present invention is to provide a breathing mask without front pad support with high fit, so as to solve the above technical problems.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: it includes a mask body, an outer wall edge of the mask body is fixedly connected with a soft shrinkage pad, the end of the soft shrinkage pad away from the mask body is fixedly connected with a traceless pad, the outer wall of the mask body is fixedly connected with a first connecting strap, the side of the mask body away from the first connecting strap is fixedly connected with a second connecting strap, the end of the first connecting strap away from the mask body is fixedly connected with an adjustment component, the adjustment component includes a mounting seat fixed to the outer wall of the first connecting strap, the outer wall of the mounting seat is provided with a rotating hole, the mounting seat is rotatably connected with a rotating shaft through the rotating hole, the outer wall of the rotating shaft is slidably connected with a gear, the outer wall of the rotating shaft is fixedly connected with a second ratchet, and the side of the mounting seat close to the second ratchet is fixedly connected with the first ratchet.

[0007] Preferably, a sliding groove is formed on the outer side wall of the rotating shaft, a sliding column is fixedly connected to the inner side wall of the gear, and the outer side wall of the sliding column is matched with the inner side wall of the sliding groove.

[0008] Preferably, a handle is fixedly connected to the top of the rotating shaft, a limiting ring is fixedly connected to the end of the rotating shaft away from the handle, a first spring is fixedly connected to the top of the limiting ring, and a movable plate is fixedly connected to the end of the first spring away from the limiting ring.

[0009] Preferably, the outer side wall of the mask body is fixedly connected with a splicing assembly, and the splicing assembly includes a mounting frame fixed to the outer side wall of the mask body, and a connecting pipe is inserted into the inner side wall of the mounting frame.

[0010] Preferably, a limiting groove is provided on the inner side wall of the installation frame, and a limiting block is fixedly connected to the outer side wall of the connecting pipe.

[0011] Preferably, the installation frame is provided with a telescopic slot through the limiting slot, the installation frame is fixedly connected to a second spring through the telescopic slot, and an end of the second spring away from the installation frame is fixedly connected to an extrusion block.

[0012] Preferably, a rotation groove is formed on the outer side wall of the connecting pipe, and the rotating groove connecting pipe is rotatably connected to a rotating ring through the rotating groove, and one end of the rotating ring away from the connecting pipe is fixedly connected to a connecting pipe.

[0013] Preferably, a filter cap is fixedly connected to the top of the connecting pipe, and a filter hole is formed at one end of the filter cap away from the connecting pipe.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the soft shrinkage pad and the seamless pad fixedly connected by the outer wall of the mask body fit the user's face, so that the soft shrinkage pad can shrink when squeezed, so that the seamless pad fits tightly against the user's face, and the second connecting belt is shrinked by adjusting the component, so that the mask body is fixed to the user's face, thereby effectively improving the fit of the mask body.

[0015] The rotating ring is fixed inside the installation frame through a connecting pipe, and the connecting pipe is rotatably connected to the rotating ring, and a sealing ring is provided at the connection between the connecting pipe and the rotating ring, so that the connecting pipe can rotate along with the installed gas pipe, effectively preventing the gas pipe from folding and affecting gas delivery. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of a breathing mask without front pad support with high fit in the present invention;

[0018] Figure 2 A schematic diagram of a non-marking pad for supporting a breathing mask without a front pad and its related structures of the present invention with high fit;

[0019] Figure 3 A schematic diagram of a breathing mask adjustment assembly without front pad support having high fit and its related structures according to the present invention;

[0020] Figure 4 It is a schematic diagram of the first ratchet and related structures of a breathing mask without front pad support with high fit of the present invention;

[0021] Figure 5 A schematic diagram of a limiting groove of a breathing mask without front pad support having high fit and its related structures of the present invention;

[0022] Figure 6 A schematic diagram of a breathing mask extrusion block without front pad support having high fit and its related structures of the present invention;

[0023] Figure 7 This is a schematic diagram of a connecting tube of a breathing mask without front pad support with high fit and its related structures of the present invention.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Mask body; 2. Soft shrink pad; 3. Markless pad; 4. First connecting belt;

[0026] 5. Adjustment assembly; 501. Mounting seat; 502. Rotation hole; 503. Rotation shaft; 504. First ratchet; 505. Second ratchet; 506. Gear; 507. Sliding column; 508. Sliding groove; 509. Handle; 510. Limiting ring; 511. First spring; 512. Moving plate;

[0027] 6. Second connecting belt;

[0028] 7. Splicing assembly; 701. Installation frame; 702. Limiting groove; 703. Connecting pipe; 704. Limiting block; 705. Telescopic groove; 706. Second spring; 707. Extrusion block;

[0029] 8. Rotating groove; 9. Rotating ring; 10. Connecting pipe; 11. Filter cover; 12. Filter hole. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Example

[0032] like Figure 1-7As shown, the present invention provides a technical solution: a breathing mask without front pad support with high fit, comprising a mask body 1, a soft shrink pad 2 is fixedly connected to the edge of the outer wall of the mask body 1, a traceless pad 3 is fixedly connected to the end of the soft shrink pad 2 away from the mask body 1, a first connecting belt 4 is fixedly connected to the outer wall of the mask body 1, a second connecting belt 6 is fixedly connected to the side of the mask body 1 away from the first connecting belt 4, an adjustment component 5 is fixedly connected to the end of the first connecting belt 4 away from the mask body 1, the adjustment component 5 comprises a mounting seat 501 fixed to the outer wall of the first connecting belt 4, a rotating hole 502 is opened on the outer wall of the mounting seat 501, the mounting seat 501 is rotatably connected to a rotating shaft 503 through the rotating hole 502, the outer wall of the rotating shaft 503 is slidably connected to a gear 506, and the rotating shaft 503 is A second ratchet 505 is fixedly connected to the outer wall, and a first ratchet 504 is fixedly connected to one side of the mounting seat 501 close to the second ratchet 505, and a soft shrinkage pad 2 is arranged at the edge of the mask body 1 close to the user's face. The soft shrinkage pad 2 is a soft shrinkage pad, and a seamless pad 3 is arranged at the end of the soft shrinkage pad 2 away from the mask body 1, so that the seamless pad 3 fits the user's face, thereby reducing the pressure marks caused by the mask body 1 on the user's face, and the gear 506 is driven to rotate by the rotating shaft 503, so that the gear 506 adjusts the second connecting belt 6, so that the mask body 1 is fixed to the user's face through the first connecting belt 4 and the second connecting belt 6, so that the mask body 1 is effectively fitted to the user's face, and a gap between the mask body 1 and the user's face is effectively prevented.

[0033] See also Figure 4 A sliding groove 508 is provided on the outer wall of the rotating shaft 503, and a sliding column 507 is fixedly connected to the inner wall of the gear 506. The outer wall of the sliding column 507 is adapted to the inner wall of the sliding groove 508. The sliding groove 508 provided on the outer wall of the rotating shaft 503 is adapted to the sliding column 507, so that the gear 506 can be driven by the rotating shaft 503, and then the gear 506 is rotated, and the gear 506 is made to slide up and down on the outer wall of the rotating shaft 503, so that the gear 506 adjusts the second connecting belt 6.

[0034] See also Figure 4 A handle 509 is fixedly connected to the top of the rotating shaft 503, and the end of the rotating shaft 503 away from the handle 509 is fixedly connected to the limiting ring 510. The top of the limiting ring 510 is fixedly connected to a first spring 511, and the end of the first spring 511 away from the limiting ring 510 is fixedly connected to a movable plate 512. The rotating shaft 503 is driven to rotate by the handle 509, and the rotating shaft 503 is pulled by the handle 509 to make the second ratchet 505 away from the limit of the first ratchet 504, so that the gear 506 can rotate in the opposite direction, thereby untying the second connecting belt 6, and then the mask body 1 can be disassembled.

[0035] See also Figure 5 The outer wall of the mask body 1 is fixedly connected with a splicing assembly 7, and the splicing assembly 7 includes a mounting frame 701 fixed to the outer wall of the mask body 1, and a connecting pipe 703 is inserted into the inner wall of the mounting frame 701. By installing the connecting pipe 703 inside the mounting frame 701, the connecting pipe 703 is fixed inside the mounting frame 701 to facilitate the installation of the connecting device.

[0036] See also Figure 5 The inner wall of the installation frame 701 is provided with a limiting groove 702, and the outer wall of the connecting tube 703 is fixedly connected with a limiting block 704. The limiting block 704 is driven by the connecting tube 703 to enter the limiting groove 702 for limiting, so that the connecting tube 703 is fixed inside the installation frame 701, so that the connecting tube 703 can be effectively prevented from shaking after being installed inside the installation frame 701.

[0037] See also Figure 6 The mounting frame 701 is provided with a telescopic slot 705 through the limiting slot 702, and the mounting frame 701 is fixedly connected with a second spring 706 through the telescopic slot 705. The second spring 706 is fixedly connected with an extrusion block 707 at one end away from the mounting frame 701. The telescopic slot 705 is provided inside the mounting frame 701, so that the second spring 706 inside the telescopic slot 705 drives the extrusion block 707 to extrude and limit the limiting block 704, so that the connecting pipe 703 is fixed inside the mounting frame 701 through the limiting block 704.

[0038] See also Figure 7 A rotating groove 8 is provided on the outer wall of the connecting tube 703, and the connecting tube 703 is rotatably connected to a rotating ring 9 through the rotating groove 8. One end of the rotating ring 9 away from the connecting tube 703 is fixedly connected to a connecting tube 10. The rotating groove 8 provided on the outer wall of the connecting tube 703 is rotatably connected to the rotating ring 9, so that the connecting tube 10 installed on the outer wall of the rotating ring 9 is rotatably connected to the connecting tube 703, so that the angle of the connecting tube 10 can be adjusted, so that when the user's face moves, the connecting tube 10 can be rotated, thereby adjusting the angle of the connecting tube 10, thereby effectively preventing damage to the connection.

[0039] See also Figure 1 and Figure 7 A filter cover 11 is fixedly connected to the top of the connecting tube 10. A filter hole 12 is opened at one end of the filter cover 11 away from the connecting tube 10. The filter cover 11 is installed at the other end of the connecting end of the connecting tube 10, so that the inhaled gas is filtered through the filter hole 12 opened on the outer wall of the filter cover 11, effectively preventing impurities from entering the interior of the mask body 1.

[0040] Working principle:

[0041] like Figure 1-7 As shown, the front-pad-free supported breathing mask with high fitting degree, by fitting the mask body 1 to the user's face, turning the handle 509, so that the rotating shaft 503 drives the gear 506 to adjust the second connecting belt 6, so that the mask body 1 is closely fitted to the user's face, and fits the user's face through the soft shrinkage pad 2 and the seamless pad 3, and after fitting, the soft shrinkage pad 2 shrinks to make the mask body 1 closely fit the face, and the seamless pad 3 reduces the pressure of the mask body 1 on the face, effectively preventing the user's face from having indentations, and pulling the rotating shaft 503 through the handle 509 drives the second ratchet 505 away from the first ratchet 504, so that the rotating shaft 503 can rotate in the opposite direction, so that the second connecting belt 6 can be disassembled, and the connecting pipe 703 drives the rotating ring 9 and the connecting pipe 10 to be installed inside the mounting frame 701, and the connecting pipe 10 can rotate with the rotating ring 9, thereby effectively preventing the connection of the connecting pipe 10 from being damaged.

[0042] In the description of the present invention, it is necessary to understand that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the drawings, which 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, and therefore cannot be understood as a limitation on the present invention.

[0043] In the present invention, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; 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. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0044] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A breathing mask without front pad support having high fit, comprising a mask body (1), characterized in that: The outer wall edge of the mask body (1) is fixedly connected to a soft shrink pad (2), the end of the soft shrink pad (2) away from the mask body (1) is fixedly connected to a traceless pad (3), the outer wall of the mask body (1) is fixedly connected to a first connecting belt (4), the side of the mask body (1) away from the first connecting belt (4) is fixedly connected to a second connecting belt (6), the end of the first connecting belt (4) away from the mask body (1) is fixedly connected to an adjustment component (5), and the adjustment component (5) includes a first connecting belt (6) fixedly connected to the outer wall of the mask body (1), and a second connecting belt (6) fixedly connected to the side of the mask body (1) away from the first connecting belt (4). A mounting seat (501) is provided on the outer wall of a connecting belt (4); a rotating hole (502) is provided on the outer wall of the mounting seat (501); the mounting seat (501) is rotatably connected to a rotating shaft (503) through the rotating hole (502); a gear (506) is slidably connected to the outer wall of the rotating shaft (503); a second ratchet (505) is fixedly connected to the outer wall of the rotating shaft (503); and a first ratchet (504) is fixedly connected to a side of the mounting seat (501) close to the second ratchet (505).

2. A breathing mask without front pad support with high fit according to claim 1, characterized in that: The outer wall of the rotating shaft (503) is provided with a sliding groove (508), the inner wall of the gear (506) is fixedly connected with a sliding column (507), and the outer wall of the sliding column (507) is matched with the inner wall of the sliding groove (508).

3. A breathing mask without front pad support with high fit according to claim 1, characterized in that: The top of the rotating shaft (503) is fixedly connected to a handle (509), the end of the rotating shaft (503) away from the handle (509) is fixedly connected to a limiting ring (510), the top of the limiting ring (510) is fixedly connected to a first spring (511), and the end of the first spring (511) away from the limiting ring (510) is fixedly connected to a moving plate (512).

4. A breathing mask without front pad support with high fit according to claim 1, characterized in that: The outer wall of the mask body (1) is fixedly connected to a splicing assembly (7), and the splicing assembly (7) comprises a mounting frame (701) fixed to the outer wall of the mask body (1), and a connecting pipe (703) is inserted into the inner wall of the mounting frame (701).

5. A breathing mask without front pad support with high fit according to claim 4, characterized in that: The inner side wall of the installation frame (701) is provided with a limiting groove (702), and the outer side wall of the connecting pipe (703) is fixedly connected to a limiting block (704).

6. A breathing mask without front pad support with high fit according to claim 5, characterized in that: The installation frame (701) is provided with a telescopic slot (705) through the limiting slot (702); the installation frame (701) is fixedly connected to a second spring (706) through the telescopic slot (705); and one end of the second spring (706) away from the installation frame (701) is fixedly connected to an extrusion block (707).

7. A breathing mask with high fit and no front pad support according to claim 4, characterized in that: The outer wall of the connecting pipe (703) is provided with a rotation groove (8), and the connecting pipe (703) is rotatably connected to a rotation ring (9) through the rotation groove (8), and one end of the rotation ring (9) away from the connecting pipe (703) is fixedly connected to a connecting pipe (10).

8. A breathing mask without front pad support with high fit according to claim 7, characterized in that: A filter cover (11) is fixedly connected to the top of the connecting pipe (10), and a filter hole (12) is provided at one end of the filter cover (11) away from the connecting pipe (10).

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