Mask fixing device for mask respiratory resistance test

Abstract

The utility model discloses a mask fixing device for mask respiratory resistance test, which belongs to the technical field of mask detection and comprises a detection table. The simulation panel is mounted at the top of the detection table, and a breathing opening is formed in the center of the top of the simulation panel; the fixing plates are arranged on the two sides of the simulation panel; according to the utility model, the mask is unfolded on the surface of the simulation panel, the mask ear belts are clamped on the hooks, and the first springs are cooperated to perform an auxiliary positioning effect on the mask; according to the unfolded size of the mask, a movable plate is controlled to move through an adjusting wheel, the position of a positioning pressing plate is driven, meanwhile, a second spring on the surface of a connecting guide rod is matched, the positioning pressing plate compresses and positions different masks, pipelines with different air volumes are selected according to needs, and the pipelines can be connected with a connecting pipe; therefore, the breathing port simulates the breathing resistance to the mask, and the applicability of the mask breathing resistance test is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mask detection, in particular to a mask fixing device for testing the breathing resistance of the mask. Background Art

[0002] Masks are a commonly used medical and sanitary product that can effectively block harmful gases, droplets and viruses from entering the wearer's mouth and nose, thereby reducing the risk of disease infection for the mask wearer. During the mask production process, in order to ensure the quality of the mask, a series of tests are required for the mask. Among them, the respiratory resistance value of the mask is particularly important. Therefore, it is often necessary to use a special respiratory resistance test instrument to get an accurate value.

[0003] However, the existing mask breathing resistance tester can only test a certain type of mask during use, and it is inconvenient to fix different masks, which leads to the mask easily shifting and falling off during the breathing resistance test, which has certain limitations. Therefore, we need to propose a mask fixing device for mask breathing resistance test. Utility Model Content

[0004] The purpose of the utility model is to provide a mask fixing device for testing the respiratory resistance of a mask, which can position a variety of masks, improve the stability during the respiratory resistance detection process, prevent the mask from shifting and falling off, and can detect different intensities of respiratory resistance, further improving the limitations of mask detection, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides: a mask fixing device for testing the respiratory resistance of a mask, comprising a testing platform; a simulation panel installed on the top of the testing platform, a breathing port being provided at the top center of the simulation panel; fixing plates arranged on both sides of the simulation panel, auxiliary components for positioning the ear straps of the mask during mask testing being provided on the surfaces of the fixing plates; a fixing bracket connected to the top of the testing platform, a mounting bracket being movably connected to the surface of the fixing bracket; a positioning component movably installed on the surface of the mounting bracket for pressing the mask on the top of the simulation panel; and a breathing simulation device installed on the top of the testing platform for imitating breathing.

[0006] Preferably, the auxiliary component includes: a guide rod slidably mounted on the surface of the fixed plate, and a mounting plate connected to the end of the guide rod; wherein a hook is connected to the surface of the mounting plate, and the other end of the mounting plate is connected to a limiting baffle.

[0007] Preferably, a first spring is provided on the inner surface of the limit baffle, and one end of the first spring is connected to the surface of the fixing plate.

[0008] Preferably, the positioning assembly includes: a double-headed screw rotatably connected to the surface of the mounting frame, and a movable block movably mounted on the surface of the double-headed screw; wherein an adjusting wheel is mounted on the surface of the double-headed screw, limiting guide rods are arranged on both sides of the double-headed screw, and the surface of the limiting guide rod is slidably connected to the limiting block.

[0009] Preferably, a movable plate is connected to the bottom of the limiting block and the movable block, and a connecting guide rod is slidably connected to the surface of the movable plate.

[0010] Preferably, the bottom end of the connecting guide rod is connected to a positioning pressure plate, the surface of the connecting guide rod is sleeved with a second spring, and the bottom end of the second spring is connected to the top of the positioning pressure plate.

[0011] Preferably, the other end of the mounting bracket is movably connected to the top end of the fixed bracket through a locking plug-in, and handles are connected to both ends of the mounting bracket.

[0012] Preferably, one end of the simulation panel is connected to a connecting pipe, one end of which is connected to the breathing port, one side of the breathing simulation device is connected to a pipeline, one end of which is detachably mounted on the surface of the connecting pipe.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model arranges structures such as a breathing simulation device, a simulation panel, a fixing plate, an auxiliary component and a positioning component. By unfolding the mask on the surface of the simulation panel and clamping the mask ear straps on the hooks, the first spring works together to make the limit baffle cooperate with the guide rod to move outward, so as to assist in positioning the mask. At the same time, according to the unfolded size of the mask, the movable plate can be moved by the adjusting wheel on the surface of the double-headed screw rod to drive the position of the positioning pressure plate to be adjusted. At the same time, in cooperation with the second spring connected to the surface of the guide rod, the positioning pressure plate can position masks of different sizes, so that pipelines of different gas volumes can be selected according to needs and can be connected to the connecting pipe, so that the breathing resistance of the breathing port to the mask is simulated, thereby further improving the applicability of the mask breathing resistance test. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the simulation panel structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the hook structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the positioning pressure plate structure of the utility model.

[0019] In the figure: 1. test bench; 2. breathing simulation device; 3. pipeline; 4. simulation panel; 5. connecting pipe; 6. breathing port; 7. fixing plate; 8. guide rod; 9. limit baffle; 10. mounting plate; 11. hook; 12. first spring; 13. fixing bracket; 14. mounting bracket; 15. handle; 16. connecting guard rod; 17. limit guide rod; 18. double-headed screw; 19. adjusting wheel; 20. moving plate; 21. moving block; 22. limit block; 23. positioning pressure plate; 24. connecting guide rod; 25. second spring; 26. locking plug-in. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides: a mask fixing device for testing the respiratory resistance of a mask, comprising a testing platform 1; a simulation panel 4 installed on the top of the testing platform 1, a breathing port 6 is provided at the top center of the simulation panel 4; fixing plates 7 are provided on both sides of the simulation panel 4, and auxiliary components for positioning the ear straps of the mask during mask testing are provided on the surface of the fixing plate 7; a fixing bracket 13 connected to the top of the testing platform 1, a mounting bracket 14 is movably connected to the surface of the fixing bracket 13; a positioning component movably installed on the surface of the mounting bracket 14 for pressing the mask on the top of the simulation panel 4; a breathing simulation device 2 installed on the top of the testing platform 1 for simulating breathing.

[0022] It is worth mentioning that through the setting of structures such as the breathing simulation device 2, the simulation panel 4, the fixing plate 7, the auxiliary components and the positioning components, a variety of masks can be positioned, the stability during the breathing resistance detection process can be improved, the mask can be prevented from shifting and falling off, and the different intensities of the breathing resistance detection can be further improved to limit the limitations of the mask detection.

[0023] Specifically, the auxiliary component includes: a guide rod 8 slidably mounted on the surface of the fixed plate 7, and a mounting plate 10 connected to the end of the guide rod 8; wherein a hook 11 is connected to the surface of the mounting plate 10, and the other end of the mounting plate 10 is connected to the limit baffle 9. A first spring 12 is provided on the inner surface of the limit baffle 9, and one end of the first spring 12 is connected to the surface of the fixed plate 7.

[0024] Among them, the fixing plate 7 can limit the guide rod 8, the guide rod 8 is a structure that guides the hook 11, the mounting plate 10 is a component connected to the hook 11, the limiting baffle 9 is a structure that cooperates with the first spring 12, and the hook 11 is a structure that assists in positioning the mask ear strap.

[0025] The positioning assembly includes: a double-headed screw 18 rotatably connected to the surface of the mounting frame 14, and a moving block 21 movably mounted on the surface of the double-headed screw 18; wherein, an adjusting wheel 19 is mounted on the surface of the double-headed screw 18, and limiting guide rods 17 are arranged on both sides of the double-headed screw 18, and the surface of the limiting guide rod 17 is slidably connected to the limiting block 22.

[0026] Furthermore, the mounting frame 14 is a structure for mounting the limit guide rod 17 and the double-headed screw rod 18; the double-headed screw rod 18 is a transmission component for adjusting the moving block 21; the limit guide rod 17 is a structure for guiding the moving plate 20 in cooperation with the limit block 22; and the moving block 21 is a connecting component for connecting the double-headed screw rod 18.

[0027] The bottom of the limit block 22 and the moving block 21 is connected with a moving plate 20, and the surface of the moving plate 20 is slidably connected with a connecting guide rod 24. The bottom end of the connecting guide rod 24 is connected with a positioning plate 23, and the surface of the connecting guide rod 24 is sleeved with a second spring 25, and the bottom end of the second spring 25 is connected to the top of the positioning plate 23.

[0028] Furthermore, the movable plate 20 is a structure for assembling the positioning pressure plate 23, the connecting guide rod 24 is a component that slidingly connects the positioning pressure plate 23 and the movable plate 20, and the second spring 25 is a component for adjusting the action of the positioning pressure plate 23. The positioning pressure plate 23 can be pressed tightly against the mask on the surface of the simulation panel 4 to ensure the stability of the mask and further improve the effect of the mask in detecting respiratory resistance.

[0029] The other end of the mounting frame 14 is movably connected to the top of the fixed bracket 13 through a locking plug 26, and the two ends of the mounting frame 14 are connected to handles 15. One end of the simulation panel 4 is connected to a connecting pipe 5, one end of which is connected to the breathing port 6, and one side of the breathing simulation device 2 is connected to a pipeline 3, one end of which is detachably mounted on the surface of the connecting pipe 5. The end of the mounting frame 14 is connected to a connecting guard rod 16, which is used to protect the limit guide rod 17 and the positioning pressure plate 23 structure.

[0030] In addition, the locking plug-in 26 is a component for limiting the installation of the mounting frame 14, the handle 15 is used to adjust the mounting frame 14, and the pipeline 3 is provided with a plurality of connection components with airflow strengths. Different pipelines 3 can be rotated for connection as needed. The breathing simulation device 2 can be used in conjunction with the pipeline 3 to perform a simulated breathing resistance test, and different types of masks can be tested to improve the use effect of the device.

[0031] By unfolding the mask on the surface of the simulation panel 4, and clamping the mask ear straps on the hook 11, the first spring 12 is cooperated to make the limit baffle 9 cooperate with the guide rod 8 to move outward, so as to assist in positioning the mask; at the same time, according to the unfolded size of the mask, the movable plate 20 can be moved by the adjusting wheel 19 on the surface of the double-headed screw 18, so as to drive the position of the positioning pressure plate 23 to be adjusted, and at the same time, in cooperation with the second spring 25 on the surface of the connecting guide rod 24, the positioning pressure plate 23 can be positioned for masks of different sizes, so that the pipeline 3 with different air volume sizes can be selected according to the needs, which can be connected to the connecting pipe 5, so that the breathing port 6 simulates the breathing resistance of the mask, and further improves the applicability of the mask breathing resistance test.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art 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 appended claims and their equivalents.

Claims

1. A mask fixing device for testing mask breathing resistance, characterized in that: include: Testing station (1); A simulation panel (4) installed on the top of the detection platform (1), wherein a breathing port (6) is provided at the top center of the simulation panel (4); A fixing plate (7) is arranged on both sides of the simulation panel (4), and a surface of the fixing plate (7) is provided with an auxiliary component for positioning the ear straps of the mask during mask testing; A fixed bracket (13) connected to the top of the detection platform (1), wherein a mounting bracket (14) is movably connected to the surface of the fixed bracket (13); A positioning component movably mounted on the surface of the mounting frame (14) for pressing the mask on the top of the simulation panel (4); A breathing simulation device (2) is installed on the top of the detection platform (1) and is used to simulate breathing.

2. A mask fixing device for testing the breathing resistance of a mask according to claim 1, characterized in that: The auxiliary components include: a guide rod (8) slidably mounted on the surface of the fixing plate (7), and A mounting plate (10) connected to the end of the guide rod (8); Wherein, a hook (11) is connected to the surface of the mounting plate (10), and the other end of the mounting plate (10) is connected to a limit stop plate (9).

3. A mask fixing device for testing the breathing resistance of a mask according to claim 2, characterized in that: A first spring (12) is provided on the inner surface of the limit baffle (9), and one end of the first spring (12) is connected to the surface of the fixing plate (7).

4. A mask fixing device for testing the breathing resistance of a mask according to claim 1, characterized in that: The positioning component includes: Rotating a double-ended screw (18) connected to the surface of the mounting frame (14), and A moving block (21) movably mounted on the surface of the double-ended screw rod (18); Wherein, an adjusting wheel (19) is installed on the surface of the double-headed screw (18), and limiting guide rods (17) are arranged on both sides of the double-headed screw (18), and the surface of the limiting guide rod (17) is slidably connected to a limiting block (22).

5. A mask fixing device for testing the breathing resistance of a mask according to claim 4, characterized in that: The bottoms of the limit block (22) and the moving block (21) are connected with a moving plate (20), and the surface of the moving plate (20) is slidably connected with a connecting guide rod (24).

6. A mask fixing device for testing the breathing resistance of a mask according to claim 5, characterized in that: The bottom end of the connecting guide rod (24) is connected to a positioning plate (23), the surface of the connecting guide rod (24) is sleeved with a second spring (25), and the bottom end of the second spring (25) is connected to the top of the positioning plate (23).

7. A mask fixing device for testing the breathing resistance of a mask according to claim 1, characterized in that: The other end of the mounting frame (14) is movably connected to the top end of the fixed bracket (13) via a locking plug-in (26), and both ends of the mounting frame (14) are connected to handles (15).

8. A mask fixing device for testing the breathing resistance of a mask according to claim 1, characterized in that: One end of the simulation panel (4) is connected to a connecting pipe (5), one end of which is in communication with a breathing port (6); one side of the breathing simulation device (2) is connected to a pipeline (3), one end of which is detachably mounted on the surface of the connecting pipe (5).

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