Bacteria filter for respiratory system

Abstract

The utility model relates to the technical field of virus filtering devices, and provides a bacteria filter for a respiratory system, which comprises an outer protective shell, a closing cover is clamped on one side of the outer protective shell, through holes are formed in the side surfaces of the outer protective shell and the closing cover, a filter element protection component is arranged in the outer protective shell, and a filter element is arranged in the filter element protection component. The filter element protection assembly is arranged in the shell, the two sides of the filter element protection assembly are connected with gas transmission assemblies in a clamped mode, a virus filter cylinder is arranged in the filter element protection assembly, the filter element protection assembly comprises a first protection shell, the first protection shell is rotationally connected with a second protection shell through a hinge, and one end of the first protection shell and one end of the second protection shell are each provided with a closing piece. Through the arrangement of the outer protection shell, the filter element protection assembly, the gas transmission assembly and the virus filter cylinder, in the using process, the bacteria filter for the respiratory system is low in overall manufacturing cost, can be produced in a large-scale and batch mode, and is small in size, capable of being carried at any time and convenient to use compared with a large filtering device.

Description

Technical Field

[0001] The utility model relates to the technical field of virus filtering devices, and in particular to a bacterial filter for a respiratory system. Background Art

[0002] After searching, the existing patent (Announcement No.: CN 221015082 U) discloses a bacterial filter, which is provided with a partition inside, and the partition divides the inside of the shell into an upper cavity and a lower cavity in the up and down direction. The shell is provided with an air outlet interconnected with the upper cavity, and the shell is provided with an air inlet interconnected with the lower cavity; the filter unit includes a filter cartridge, a cover and a plugger, a mounting port is provided on the top side of the shell, and a avoidance port is provided at a position of the partition opposite to the mounting port. The plugger is located in the lower cavity, and the plugger can move up and down. The filter cartridge passes through the mounting port and the avoidance port and abuts against the cover plate. A vent is provided on the outer side of the bottom of the filter cartridge. The cover is connected to the top side of the shell and covers the top of the filter cartridge. The bacterial filter can directly disassemble and maintain the filter cartridge in one of the filter units without affecting the gas filtration of other filter units, so as to realize the maintenance and replacement of the filter structure without stopping the machine, which is more flexible and convenient to use and improves the overall use experience.

[0003] However, there are still some shortcomings in the above solution. The overall cost of the bacterial filter is relatively high. In the subsequent use process, when the filter element needs to be replaced, professionals are required to replace the equipment.

[0004] In view of this, the utility model provides a bacteria filter for a respiratory system. Utility Model Content

[0005] The utility model provides a bacterial filter for a respiratory system, which solves the problem that the overall cost in the related technology is relatively high and that in the subsequent use process, when the filter element needs to be replaced, professionals are required to replace the equipment.

[0006] The technical solution of the utility model is as follows: A bacterial filter for a respiratory system, comprising: an outer protective shell, a closing cover is clamped on one side of the outer protective shell, and the sides of the outer protective shell and the closing cover are both provided with perforations, a filter element protection component is arranged inside the outer protective shell, and gas transmission components are clamped on both sides of the filter element protection component, and a virus filter cartridge is arranged inside the filter element protection component.

[0007] Preferably, the filter element protection assembly comprises a first protection shell, and the first protection shell is rotatably connected to a second protection shell via a hinge.

[0008] Preferably, one end of the first protective shell and the second protective shell are both provided with a closing piece, and after the first protective shell and the second protective shell are closed, a virus filter cartridge is placed inside.

[0009] Preferably, a restraining ring is sleeved on the surfaces of the two closing pieces together, and a through groove corresponding to the closing piece is opened in the middle of the restraining ring.

[0010] Preferably, a fixing ring is fixedly connected to the other end of the first protective shell, and a corresponding groove is provided at a corresponding position of the second protective shell.

[0011] Preferably, the air delivery assembly comprises an air inlet pipe and an air outlet pipe, the air inlet pipe is separately fixedly arranged in the fixing ring, and the air outlet pipe is clamped together by the first protective shell and the second protective shell.

[0012] Preferably, the bottom ends of the air inlet pipe and the air outlet pipe are fixedly connected with sealing rings, and the sealing rings are filled in the gap between the air inlet pipe and the air outlet pipe when the first protective shell and the second protective shell are closed, so as to prevent air from penetrating into the interior of the filter element protection assembly when the filter element protection assembly is closed.

[0013] The working principle and beneficial effects of the utility model are:

[0014] 1. In the utility model, through the arrangement of the outer protective shell, the filter element protection component, the gas transmission component and the virus filter cartridge, during use, the respiratory system uses a bacterial filter, the overall cost is low, and it can be mass-produced. Moreover, compared with a large-scale filtering device, the device is smaller in size, can be carried at any time, and is easy to use;

[0015] 2. In the utility model, by setting up the filter element protection assembly and the virus filter cartridge, when in use, the virus filter cartridge is accommodated inside by utilizing the first protective shell and the second protective shell. Only simple training is required for personnel to replace the virus filter cartridge, achieving quick and convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 This is a schematic diagram of the appearance and structure of a bacterial filter for a respiratory system proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of a bacterial filter for a respiratory system proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the filter element protection assembly proposed by the utility model;

[0020] Figure 4 This is a schematic diagram of the expanded structure of the filter element protection component proposed by the utility model;

[0021] Figure 5The utility model proposed Figure 4 Enlarged structural diagram at A in the middle.

[0022] In the figure: 1. outer protective shell; 2. closing cover; 3. perforation; 4. filter element protection assembly; 401. first protective shell; 402. second protective shell; 403. closing piece; 404. restraining ring; 5. gas transmission assembly; 501. air inlet pipe; 502. air outlet pipe; 6. virus filter cartridge; 7. fixing ring; 8. sealing ring. DETAILED DESCRIPTION

[0023] The following will be combined with 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 of 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.

[0024] The present application embodiment discloses a bacterial filter for a respiratory system. Figures 1 to 5 , the outer protective shell 1, through the setting of 1, can achieve the function of protecting the filter element protection component 4 inside 1 when in use, a closing cover 2 is clamped on one side of the outer protective shell 1, and through the setting of the closing cover 2, the function of closing one side 1 can be achieved when in use, and the sides of the outer protective shell 1 and the closing cover 2 are provided with through holes 3, and through the setting of the through holes 3, the function of passing the gas transmission component 5 inside can be achieved when in use, a filter element protection component 4 is arranged inside the outer protective shell 1, and through the setting of the filter element protection component 4, the function of accommodating the virus filter cartridge 6 can be achieved when in use, and the gas transmission components 5 are clamped on both sides of the filter element protection component 4, and through the setting of the gas transmission component 5, the function of allowing the gas to enter from one side of the filter element protection component 4 and be discharged from the other side when in use, and a virus filter cartridge 6 is arranged inside the filter element protection component 4, and through the setting of the virus filter cartridge 6, the function of filtering the gas can be achieved when in use.

[0025] The filter element protection assembly 4 includes a first protective shell 401. Through the arrangement of the first protective shell 401 and the second protective shell 402, when in use, the two can be closed to protect the virus filter cartridge 6 placed inside. The first protective shell 401 is rotatably connected to the second protective shell 402 through a hinge.

[0026] A closing piece 403 is provided at one end of the first protective shell 401 and the second protective shell 402. Through the setting of the closing piece 403, it is possible to facilitate the binding ring 404 to be sleeved during the closing process to fix the first protective shell 401 and the second protective shell 402. After the first protective shell 401 and the second protective shell 402 are closed, the virus filter cartridge 6 is placed inside.

[0027] The surfaces of the two closing pieces 403 are jointly sleeved with a binding ring 404, and the binding ring 404 can be used to fix the first protective shell 401 and the second protective shell 402 to be closed when in use, and a through groove corresponding to the closing piece 403 is opened in the middle of the binding ring 404.

[0028] The other end of the first protective shell 401 is fixedly connected with a fixing ring 7. Through the setting of the fixing ring 7, a single sealing ring 8 can be installed and fixed inside when in use, and a corresponding groove is opened at the corresponding position of the second protective shell 402.

[0029] The gas delivery component 5 includes an air inlet pipe 501. Through the setting of the air inlet pipe 501, it can facilitate the gas to enter the filter element protection component 4 when in use. The air outlet pipe 502, through the setting of the air outlet pipe 502, can facilitate the gas inside the filter element protection component 4 to be discharged when in use. The air inlet pipe 501 is separately fixed in the fixing ring 7, and the air outlet pipe 502 is clamped together by the first protective shell 401 and the second protective shell 402.

[0030] The bottom ends of the air inlet pipe 501 and the air outlet pipe 502 are fixedly connected with a sealing ring 8. Through the setting of the sealing ring 8, the air can be isolated during use, and the sealing ring 8 is filled in the gap between the first protective shell 401 and the second protective shell 402 to close the air inlet pipe 501 and the air outlet pipe 502, which is used to prevent air from penetrating into the interior of the filter element protection component 4 when the filter element protection component 4 is closed.

[0031] Working principle and usage process: After connecting the breathing masks worn by the corresponding personnel through the air transmission component 5, the air entering the filter element protection component 4 is filtered, and the closing cover 2 is removed to move the filter element protection component 4 out from the outer protective shell 1. The personnel twists the binding ring 404 to separate the closing piece 403 from the groove opened inside the binding ring 404. After separating the first protective shell 401 and the second protective shell 402, the internal virus filter cartridge 6 is exposed and the virus filter cartridge 6 is replaced. The assembly is performed in the reverse order of the above to complete the replacement of the virus filter cartridge 6. The overall operation is convenient and quick, and does not require professional personnel to operate.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bacterial filter for a respiratory system, comprising: An outer protective shell (1) is characterized in that a closing cover (2) is clamped on one side of the outer protective shell (1), and the sides of the outer protective shell (1) and the closing cover (2) are both provided with perforations (3), a filter element protection component (4) is arranged inside the outer protective shell (1), and gas transmission components (5) are clamped on both sides of the filter element protection component (4), and a virus filter cartridge (6) is arranged inside the filter element protection component (4).

2. A bacterial filter for the respiratory system according to claim 1, characterized in that: The filter element protection assembly (4) comprises a first protection shell (401), wherein the first protection shell (401) is rotatably connected to a second protection shell (402) via a hinge.

3. A bacterial filter for the respiratory system according to claim 2, characterized in that: One end of each of the first protective shell (401) and the second protective shell (402) is provided with a closing piece (403), and after the first protective shell (401) and the second protective shell (402) are closed, a virus filter cartridge (6) is placed inside.

4. A bacterial filter for the respiratory system according to claim 3, characterized in that: A binding ring (404) is sleeved on the surfaces of the two closing pieces (403) together, and a through groove corresponding to the closing piece (403) is provided in the middle of the binding ring (404).

5. A bacterial filter for the respiratory system according to claim 2, characterized in that: Furthermore, the other end of the first protective shell (401) is fixedly connected to a fixing ring (7), and a corresponding groove is provided at a corresponding position of the second protective shell (402).

6. A bacterial filter for the respiratory system according to claim 1, characterized in that: The gas delivery assembly (5) comprises an air inlet pipe (501) and an air outlet pipe (502); the air inlet pipe (501) is fixedly arranged in a fixed ring (7) and the air outlet pipe (502) is clamped together by the first protective shell (401) and the second protective shell (402).

7. A bacterial filter for the respiratory system according to claim 6, characterized in that: The bottom ends of the air inlet pipe (501) and the air outlet pipe (502) are both fixedly connected with a sealing ring (8), and the sealing ring (8) is filled in the gap between the first protective shell (401) and the second protective shell (402) closed between the air inlet pipe (501) and the air outlet pipe (502), so as to prevent air from penetrating into the interior of the filter element protection component (4) when the filter element protection component (4) is closed.

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