CN212757770U

CN212757770U - Filter cartridge convenient to dismouting

Info

Publication number: CN212757770U
Application number: CN202021197590.9U
Authority: CN
Inventors: 左勇魁; 程杰; 魏峥琦; 王树刚; 程文胜
Original assignee: Henan Tuoren Beisite Medical Devices Co ltd
Current assignee: Henan Tuoren Beisite Medical Devices Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-03-23
Anticipated expiration: 2030-06-24

Abstract

The utility model provides a filter cartridge convenient to dismouting, including filter membrane epitheca, filter membrane inferior valve, the one end of filter membrane epitheca and filter membrane inferior valve articulates, the other end of filter membrane epitheca sets up the spring bolt, the filter membrane inferior valve corresponds the spring bolt sets up the sticking department, the sticking department including set up in the button mount of filter membrane inferior valve downside, the button mount passes through the elastic component and connects the lock-stopping button, the lock-stopping button with the filter membrane inferior valve corresponds the spring bolt sets up the tongue hole, the spring bolt to the inside of filter membrane epitheca is bent and is extended formation hitching part, the inner of lock-stopping button towards the tongue hole is bent and is extended the correspondence the spring bolt forms spacing portion. In the specific assembling process, the hanging part and the limiting part are buckled and hung together to complete the locking of the upper filter membrane shell and the lower filter membrane shell. When needing to dismantle, inwards press the lock-stopping button, hitching part and spacing portion break away from, can dismantle the filter membrane epitheca to when filter cartridge filtering quality descends, dismantle the change.

Description

Filter cartridge convenient to dismouting

Technical Field

The utility model relates to a filter cartridge accessory, specific theory has related to a filter cartridge convenient to dismouting.

Background

In the medical field, in order to protect the air supply device from being damaged by pathogenic bacteria, medical staff often need to wear protective clothing and wear protective hoods, but the air inside the protective hoods and the protective clothing is not circulated, a sultry environment is easily formed, and the good working state of the medical staff is not kept, so that researchers begin to research and develop portable air supply devices in recent years, the portable air supply devices, the medical protective clothing and the protective hoods are combined together in hope, the working comfort level of the medical staff is improved, in order to avoid germ infection, air is filtered in the air supply process to be necessary, and the filtering membrane needs to be replaced after the filtering membrane is used for a period of time, therefore, the filtering membrane convenient to detach is designed to have non-negligible significance for the application of the air supply device in the medical field.

Disclosure of Invention

The utility model aims at the not enough of prior art to a filter cartridge convenient to dismouting is provided.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is:

the utility model provides a filter cartridge convenient to dismouting, includes filter membrane epitheca, filter membrane inferior valve, and the one end of filter membrane epitheca and filter membrane inferior valve articulates, the other end of filter membrane epitheca sets up the spring bolt, the filter membrane inferior valve corresponds the spring bolt sets up the sticking department, the sticking department including set up in the button mount of filter membrane inferior valve downside, the button mount passes through the elastic component and connects the locking button, the locking button with the filter membrane inferior valve corresponds the tongue hole is seted up to the spring bolt, the spring bolt to the inside of filter membrane epitheca is bent and is extended formation hitching part, the inner of locking button towards the tongue hole is bent and is extended the correspondence the spring bolt forms spacing portion.

Based on the above, the hanging part and the spring bolt vertically form a straight hook, and the limiting part is obliquely arranged.

Based on the above, the two sides of the key fixing frame are provided with the springs and connected with the locking key, the two sides of the locking key are correspondingly provided with the guide posts, and the guide posts extend into the springs and are coaxial with the springs.

Based on the above, the installation department extends to the locking button both sides, the guide post set up in the installation department.

Based on the above, the filter membrane epitheca is the open slot-like structure in bottom surface, and open edge set up with slot-like structure lateral wall vertically brim of a hat, the spring bolt is located the downside of brim of a hat just is perpendicular with the brim of a hat.

Based on the above, the lateral wall of slot-shaped structure sets up hangs the post, the upside one end of filter membrane inferior valve corresponds hang the post and set up the grapple.

Based on the above, the lower filter membrane shell is of an inverted U-shaped structure, two sides of the inverted U-shaped structure extend upwards to form a U-shaped groove on the top surface of the inverted U-shaped structure, and the two U-shaped sections of the inverted U-shaped structure and the U-shaped groove are perpendicular to each other; and the side wall of the inverted U-shaped structure is provided with a mounting hole corresponding to the outer end face of the locking key.

Based on the above, a plurality of positioning columns are arranged on two sides of the tongue hole of the U-shaped groove, and the cap brim is provided with positioning holes corresponding to the positioning columns.

The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model provides a filter cartridge convenient to dismouting specifically assembles in-process, and the post and the grapple of hanging of filter membrane epitheca and filter membrane inferior valve articulate, then clockwise rotation, and the spring bolt of filter membrane epitheca and the tongue hole contact of filter membrane inferior valve, the spacing portion of extrusion lock-stopping button remove, and the elastic component compression, hitching part and spacing portion are detained and are hung together, accomplish the locking of filter membrane epitheca and filter membrane inferior valve, and at this moment, the reference column corresponds among the card income locating hole. When needing to dismantle, inwards press the lock-stopping button, hitching part and spacing portion break away from, can dismantle the filter membrane epitheca to when filter cartridge filtering quality descends, dismantle the change.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic sectional structure of the present invention.

Fig. 3 is a schematic structural view of the locking portion of the present invention.

Fig. 4 is a schematic structural diagram of the air blowing device in the present embodiment.

Fig. 5 is a schematic structural diagram of the protective suit in the embodiment.

FIG. 6 is a schematic view showing the structure of the hood in the embodiment.

In the figure: 1. coating a filter membrane; 2. a latch bolt; 21. a tongue hole; 22. a locking button; 23. a key fixing frame; 24. an installation part; 25. a guide post; 26. a spring; 27. a limiting part; 28. a hanging part; 3. a filter membrane lower shell; 4. positioning holes; 5. a positioning column; 6. hanging a column; 7. a grapple; a garment-applying portion; 20. a lower garment portion; 30. an air supply device; 40. a clothes-wearing opening; 50. a hood body; 60. a top cover; 70, a filter cartridge; 80. a lower shell.

Detailed Description

The technical solution of the present invention will be described in further detail through the following embodiments.

As shown in fig. 1-3, this embodiment provides a filter cartridge convenient to dismouting, including filter membrane epitheca 1, filter membrane inferior valve 3, the one end of filter membrane epitheca 1 and filter membrane inferior valve 3 articulates, the other end of filter membrane epitheca 1 sets up spring bolt 2, filter membrane inferior valve 3 corresponds spring bolt 2 sets up the sticking department, the sticking department including set up in the button mount 23 of filter membrane inferior valve 3 downside, button mount 23 passes through elastic component and connects locking button 22, locking button 22 with filter membrane inferior valve 3 corresponds spring bolt 2 sets up tongue hole 21, spring bolt 2 to the inside of filter membrane epitheca 1 is bent and is extended and form hitching part 28, the inner of locking button 22 towards tongue hole 21 is bent and is extended and correspond spring bolt 2 forms spacing portion 27.

Specifically, the hanging part 28 and the bolt 2 vertically form a straight hook, and the limiting part 27 is obliquely arranged.

Furthermore, springs 26 are arranged on two sides of the key fixing frame 23 and connected with the locking key 22, guide posts 25 are correspondingly arranged on two sides of the locking key 22, and the guide posts 25 extend into the springs 26 and are coaxial with the springs 26.

Further, mounting portions 24 extend from two sides of the locking key 22, and the guide posts 25 are disposed on the mounting portions 24.

Further, the filter membrane epitheca 1 is the open slot-shaped structure in bottom surface, and open edge set up with slot-shaped structure lateral wall vertically brim of a hat, spring bolt 2 is located the downside of brim of a hat and perpendicular with the brim of a hat.

Furthermore, the side wall of the groove-shaped structure is provided with a hanging column 6, and one end of the upper side of the filter membrane lower shell 3 is provided with a grapple 7 corresponding to the hanging column 6.

Further, the lower filter membrane shell 3 is of an inverted U-shaped structure, two sides of the inverted U-shaped structure extend upwards to form a U-shaped groove on the top surface of the inverted U-shaped structure, and the two U-shaped sections of the inverted U-shaped structure and the U-shaped groove are perpendicular; and the side wall of the inverted U-shaped structure is provided with a mounting hole corresponding to the outer end face of the locking key 22.

Furthermore, a plurality of positioning columns 5 are arranged on two sides of the tongue hole 21 of the U-shaped groove, and the positioning holes 4 are formed in the cap peak corresponding to the positioning columns 5.

In the specific assembling process, the hanging columns 6 and the grapple 7 of the filter membrane upper shell 1 and the filter membrane lower shell 3 are hung, then the filter membrane upper shell and the filter membrane lower shell are rotated clockwise, the spring bolt 2 of the filter membrane upper shell 1 is contacted with the spring bolt hole 21 of the filter membrane lower shell 3, the limiting part 27 of the locking button 22 is extruded to move, the elastic part is compressed, the hanging part 28 and the limiting part 27 are buckled and hung together, the locking of the filter membrane upper shell 1 and the filter membrane lower shell 3 is completed, and at the moment, the positioning column 5 is correspondingly clamped into the positioning hole 4. When the filter box needs to be disassembled, the locking button 22 is pressed inwards, the hanging part 28 and the limiting part 27 are separated, and then the filter membrane upper shell can be disassembled, so that the filter box can be disassembled and replaced when the filtering performance of the filter box is reduced. Preferably, a sealing ring may be provided between the filter membrane upper casing 1 and the filter membrane lower casing 3 in order to improve the sealing property.

The utility model provides a filter cartridge is applicable to some filtration equipment, and is concrete, can be used for among the air supply arrangement, and this embodiment provides an air supply arrangement for medical field, as shown in FIG. 4, this embodiment still provides an air supply arrangement, including top cap 60 and inferior valve 80, top cap 60 with set up between the inferior valve 80 filter cartridge 70.

Specifically, as shown in fig. 5, the present embodiment provides a protective garment, which includes an upper garment portion 10, a lower garment portion 20 and a transparent headgear, wherein the upper garment portion 10 is provided with a breathing tube communicated with the internal environment of the protective garment, and an air inlet of the breathing tube is communicated with the air supply device 30; the transparent head sleeve is also provided with an exhaust filtering device. The stuffy feeling inside the protective clothing is reduced through the air supply device, the head is made of a fully transparent material, the visual field is clear, and the oppressive feeling of a wearer is reduced.

Further, the lower garment portion 20 is provided with a garment opening 40, the garment opening 40 extends upwards to the transparent headgear, a zipper is arranged in the garment opening 40, a starting point of the zipper is located at the lower end of the garment opening 40, and a finishing point of the zipper is located at the upper end of the garment opening 40, so that the garment is convenient to wear, and single-person sterile operation is guaranteed.

Further, the protective clothing is of a three-layer structure, wherein the outer layer is a scratch-resistant layer, the middle layer is an isolating layer, the inner layer is a bacteriostatic layer, the multilayer structure is arranged, the service life is prolonged, the protective clothing can be repeatedly used after cleaning and disinfection, and specifically, the middle layer can be a plastic film with the function of isolating viruses and bacteria; the inner layer can be made of spinning with bacteriostatic function.

Further, a waistband is provided at a joint of the upper garment portion 10 and the lower garment portion 20, and the air blowing device 30 is provided with a hanging portion and is attached to the waistband through the hanging portion.

Specifically, as shown in fig. 6, the present embodiment further provides a hood, which includes a hood body 50, a window is disposed in a front portion of the hood body 50, a tightening fixing device is disposed on a lower portion of the hood body 50, the air supply device 30 is disposed outside the hood body 50, an air inlet is disposed on the hood body 50, a breathing tube is disposed between the air inlet and the air supply device 30, and an exhaust filtering device is further disposed on the hood body 50. Preferably, the air inlet can be provided with a filtering device, and when the filtering performance of the air supply device is reduced, the air inlet can be used for filtering for a period of time, so that the filtering membrane in the air supply device can be replaced after the work at the hand of the medical staff is finished.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a filter box convenient to dismouting, includes filter membrane epitheca, filter membrane inferior valve, its characterized in that: the one end of filter membrane epitheca and filter membrane inferior valve articulates, the other end of filter membrane epitheca sets up the spring bolt, the filter membrane inferior valve corresponds the spring bolt sets up the sticking department, the sticking department including set up in the button mount of filter membrane inferior valve downside, the button mount passes through the elastic component and connects the locking button, the locking button with the filter membrane inferior valve corresponds the tongue hole is seted up to the spring bolt, the spring bolt to the inside of filter membrane epitheca is bent and is extended formation hitching part, the inner of locking button towards the tongue hole is bent and is extended the correspondence the spring bolt forms spacing portion.

2. A readily removable filter cassette as defined in claim 1 wherein: the hanging part and the lock tongue vertically form a straight hook, and the limiting part is obliquely arranged.

3. A filter cassette for facilitating disassembly and assembly according to claim 1 or 2, wherein: the spring is arranged on two sides of the key fixing frame and connected with the locking key, the guide posts are correspondingly arranged on two sides of the locking key and extend into the spring to be coaxial with the spring.

4. A readily removable filter cassette as defined in claim 3 wherein: the installation portion extends from two sides of the locking key, and the guide posts are arranged on the installation portion.

5. A filter cassette for facilitating disassembly and assembly according to claim 1 or 2, wherein: the filter membrane epitheca is the open slot-like structure in bottom surface, and open edge set up with slot-like structure lateral wall vertically brim of a hat, the spring bolt is located the downside of brim of a hat just is perpendicular with the brim of a hat.

6. The filter cassette of claim 5, wherein: the side wall of the groove-shaped structure is provided with a hanging column, and one end of the upper side of the lower filter membrane shell corresponds to the hanging column and is provided with a grapple.

7. The filter cassette of claim 6, wherein: the lower filter membrane shell is of an inverted U-shaped structure, two sides of the inverted U-shaped structure extend upwards to form a U-shaped groove on the top surface of the inverted U-shaped structure, and the inverted U-shaped structure is perpendicular to two U-shaped sections of the U-shaped groove; and the side wall of the inverted U-shaped structure is provided with a mounting hole corresponding to the outer end face of the locking key.

8. The filter cassette of claim 7, wherein: a plurality of positioning columns are arranged on two sides of a tongue hole of the U-shaped groove, and positioning holes are formed in the cap brim corresponding to the positioning columns.