CN220779444U

CN220779444U - Medical gas filter

Info

Publication number: CN220779444U
Application number: CN202322596869.4U
Authority: CN
Inventors: 彭广安
Original assignee: Chongqing Jingxiang Machinery Co ltd
Current assignee: Chongqing Jingxiang Machinery Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-04-16
Anticipated expiration: 2033-09-25

Abstract

The utility model discloses a medical gas filter, which belongs to the field of medical appliances and comprises a main body, wherein a drain outlet and a gas inlet which are communicated with the inside are respectively formed in the bottom and one side of the main body, the top of the main body is hinged with a top cover through a hinge shaft, the top of the top cover is provided with a communicated gas outlet, an opening mechanism is arranged at the joint of the main body and the top cover and is positioned at the opposite side of the hinge shaft, and a filter screen is movably arranged in the main body. According to the medical gas filter, the poking plate arranged on the nut can save time and labor when rotating the nut, so that the nut can rotate on the threaded rod rapidly, the limiting groove arranged on the upper fixing seat can limit the nut, the stability of the upper surface of the upper fixing seat of the nut is improved, a user can rotate the threaded rod conveniently through the handball, the holding comfort is improved, and the threaded rod can be separated from the upper fixing seat from the opening, so that the top cover can be opened conveniently.

Description

Medical gas filter

Technical Field

The utility model belongs to the field of medical instruments, and particularly relates to a medical gas filter.

Background

The basic classes of medical gases are: medical oxygen, negative pressure suction gas, compressed air, nitrogen, laughing gas, carbon dioxide, and the like. The hospital adopts a medical gas pipeline system and a central workstation gas source to supply medical gas, and the medical gas pipeline system refers to a centralized supply, discharge and piping system of the medical gas.

When gas filtration, generally, gas enters from one end and is discharged from the other end, particles are filtered out through a filter layer in the middle, the filter layer is required to be cleaned or replaced after long-time use, the current gas filtration device has strong tightness and complex structure, and the current gas filtration device is relatively slow to detach, so that the problem that the filter layer is difficult to take out rapidly exists, and therefore, the medical gas filter is provided to solve the problems

Disclosure of Invention

In response to one or more of the above-identified deficiencies or improvements in the prior art, the present utility model provides a medical gas filter having the advantage of quick removal and filter layer removal.

In order to achieve the above purpose, the utility model provides a medical gas filter, which comprises a main body, wherein the bottom and one side of the main body are respectively provided with a drain outlet and a gas inlet which are communicated with the inside, the top of the main body is hinged with a top cover through a hinge shaft, the top of the top cover is provided with a communicated gas outlet, an opening mechanism is arranged at the joint of the main body and the top cover and is positioned at the opposite side of the hinge shaft, a filter screen is movably arranged in the main body, both sides of the filter screen are provided with grooves, and the inner wall of the main body is embedded with four fixing mechanisms for fixing the filter screen;

the opening mechanism comprises an upper fixing seat, an upper fixing seat is fixedly arranged on the opposite side of the top cover, a gap is formed in the opposite side of the upper fixing seat, a lower fixing seat is fixedly arranged on the outer wall of the main body and corresponds to the upper fixing seat, a rotating rod is rotatably connected to the lower fixing seat, a threaded rod is fixedly arranged at the center of the rotating rod, and a nut is connected to the outer wall of the threaded rod in a threaded manner;

the fixing mechanism comprises a shell, four square holes are formed in the main body and are embedded in the shell, a telescopic groove and a front opening are formed in the shell, a fixing plate is fixedly mounted in the shell, a telescopic hole is formed in the center of the fixing plate, the fixing plate is slidably connected with a telescopic rod through the telescopic hole, and a limiting block and a fixing head are fixedly connected to the rear end and the front end of the telescopic rod respectively.

As a further improvement of the utility model, the upper surface of the upper fixing seat is provided with a limit groove communicated with the notch, and the limit groove is wide at the upper part and narrow at the lower part, and the bottom is equal to the diameter of the nut.

As a further improvement of the utility model, a handball is fixedly arranged at the bottom end of the threaded rod, and two symmetrically arranged poking sheets are fixedly connected with the outer wall of the nut.

As a further improvement of the utility model, the upper end surface of the main body is provided with a mounting groove for placing the filter screen, and the inner wall of the main body is also provided with two symmetrically arranged handle grooves which are higher than the bottom of the mounting groove.

As a further improvement of the utility model, four fixing mechanisms are arranged on the inner wall of the main body at equal intervals in a cross shape.

As a further improvement of the utility model, the fixing plate is positioned at the rear side of the telescopic groove and is attached to the front surface of the limiting block, and the telescopic distance of the limiting block in the telescopic groove is larger than the longitudinal length of the fixing head.

As a further improvement of the utility model, the outer wall of the telescopic rod is movably sleeved with a spring and is positioned between the fixed head and the fixed plate, and the front surface of the fixed head is smooth and is matched with the telescopic groove in size.

In general, the above technical solutions conceived by the present utility model have the beneficial effects compared with the prior art including:

1. according to the medical gas filter, the poking plate arranged on the nut can save time and labor when rotating the nut, so that the nut can rotate on the threaded rod rapidly, the limiting groove arranged on the upper fixing seat can limit the nut, the stability of the upper surface of the upper fixing seat of the nut is improved, a user can rotate the threaded rod conveniently through the handball, the holding comfort is improved, and the threaded rod can be separated from the upper fixing seat from the opening, so that the top cover can be opened conveniently.

2. According to the medical gas filter, the fixing head is elastically supported by taking the fixing plate as a supporting point through the arranged spring, so that the fixing head is used for fixing the filter screen embedded in the mounting groove, and the front surface of the fixing head is smooth and is matched with the telescopic groove in size, so that the filter screen can be quickly contracted into the telescopic groove by extruding the fixing head when being taken out, and the filter screen can be taken out conveniently.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of an opening mechanism according to the present utility model;

FIG. 3 is a schematic view of the internal structure of the main body of the present utility model;

FIG. 4 is a schematic view of the internal structure of the housing of the present utility model;

fig. 5 is a schematic view of the whole structure of the fixing mechanism of the present utility model.

Like reference numerals denote like technical features throughout the drawings, in particular: 1. a main body; 2. a sewage outlet; 3. an air inlet; 4. a top cover; 5. an air outlet; 6. an opening mechanism; 601. an upper fixing seat; 602. a notch; 603. a limit groove; 604. a lower fixing seat; 605. a rotating lever; 606. a threaded rod; 607. a nut; 608. a handball; 7. a filter screen; 8. a groove; 9. a fixing mechanism; 901. a housing; 902. a telescopic slot; 903. a fixing plate; 904. a telescopic hole; 905. a telescopic rod; 906. a limiting block; 907. a fixed head; 908. a spring; 10. a mounting groove; 11. a handle groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

1-5, a medical gas filter comprises a main body 1, wherein a drain outlet 2 and a gas inlet 3 which are communicated with the inside are respectively formed in the bottom and one side of the main body 1, a top cover 4 is hinged to the top of the main body 1 through a hinge shaft, a communicated gas outlet 5 is formed in the top of the top cover 4, an opening mechanism 6 is arranged at the joint of the main body 1 and the top cover 4 and is positioned on the opposite side of the hinge shaft, a filter screen 7 is movably arranged in the main body 1, grooves 8 are formed in two sides of the filter screen 7, and four fixing mechanisms 9 used for fixing the filter screen 7 are embedded in the inner wall of the main body 1;

the opening mechanism 6 comprises an upper fixing seat 601, an upper fixing seat 601 is fixedly arranged on the opposite side of the hinged shaft of the top cover 4, a notch 602 is formed in the opposite side of the upper fixing seat 601 on the top cover 4, a lower fixing seat 604 is fixedly arranged on the outer wall of the main body 1 and corresponds to the upper fixing seat 601, a rotating rod 605 is rotatably connected to the lower fixing seat 604, a threaded rod 606 is fixedly arranged at the center of the rotating rod 605, and a nut 607 is connected to the outer wall of the threaded rod 606 in a threaded manner;

the fixing mechanism 9 comprises a shell 901, four square holes are formed in the body 1 and are embedded in the shell 901, a telescopic groove 902 is formed in the shell 901, the front opening is formed in the shell 901, a fixing plate 903 is fixedly installed in the shell 901, a telescopic hole 904 is formed in the center of the fixing plate 903, the fixing plate 903 is slidably connected with a telescopic rod 905 through the telescopic hole 904, and a limiting block 906 and a fixing head 907 are fixedly connected to the rear end and the front end of the telescopic rod 905 respectively.

In this embodiment, the nut 607 is rotated by pulling the pulling piece, so that the nut 607 moves upward on the threaded rod 606 to be separated from the limit groove 603 in the upper fixing seat 601, then the hand ball 608 is held to rotate the rotating rod 605, further the threaded rod 606 is separated from the notch 602 of the upper fixing seat 601, then the top cover 4 is opened, at this time, the four fixing heads 907 in the main body 1 form a cross-shaped fixing for the filter screen 7, two index fingers respectively extend into the handle groove 11, then the grooves 8 on two sides of the filter screen 7 are buckled to lift the filter screen 7 upward, the filter screen 7 presses the fixing heads 907 to shrink, the springs 908 are compressed while the fixing heads 907 shrink along the telescopic grooves 902 in the casing 901, and after the filter screen 7 is taken out, the springs 908 are reset to push the fixing heads 907 to stretch out, so that the filter screen 7 is taken out for cleaning or replacement rapidly.

Specifically, referring to fig. 1-2, a limiting groove 603 communicated with the notch 602 is formed on the upper surface of the upper fixing seat 601, the limiting groove 603 is wide at the upper part and narrow at the lower part, and the bottom is identical to the nut 607 in diameter.

In this embodiment, the upper surface of the upper fixing seat 601 is provided with the limit groove 603 communicated with the opening 602, so that the threaded rod 606 enters the opening 602 through the rotation of the rotating rod 605, and the nut 607 is located above the upper fixing seat 601 to fix and loosen the upper fixing seat 601, the upper surface of the upper fixing seat 601 is prevented from sliding down due to the fact that the upper width of the limit groove 603 is wide and the bottom is narrower than the diameter of the nut 607, the nut 607 is more convenient to screw into the limit groove 603, and the nut 607 is limited due to the fact that the bottom is equal to the diameter of the nut 607 after the nut is screwed.

Specifically, referring to fig. 1-2, a hand ball 608 is fixedly mounted at the bottom end of the threaded rod 606, and two symmetrically arranged pulling pieces are fixedly connected to the outer wall of the nut 607.

In this embodiment, the hand ball 608 is provided to facilitate the rotation of the threaded rod 606 by the user, and the two pulling sheets are provided on the outer wall of the nut 607 to facilitate the rotation of the nut 607 by the user, so that the nut 607 is rotated to save more time and labor.

Specifically, referring to fig. 2-3, the upper end surface of the main body 1 is provided with a mounting groove 10 for placing the filter screen 7, and the inner wall of the main body 1 is also provided with two symmetrically arranged handle grooves 11 which are higher than the bottom of the mounting groove 10.

In this embodiment, the filter screen 7 can be embedded into the main body 1 through the installation groove 10, so that the filter screen is matched with the inner wall of the main body 1, and the inner wall of the main body 1 is provided with two symmetrically arranged handle grooves 11 which are higher than the bottom of the installation groove 10, so that the handle grooves 11 are not communicated with the installation groove 10, and unfiltered air cannot float upwards from the handle grooves 11.

Specifically, referring to fig. 2-3, four fixing mechanisms 9 are disposed at equal intervals in a cross shape on the inner wall of the main body 1.

In this embodiment, the four fixing mechanisms 9 are disposed at equal intervals in a cross shape on the inner wall of the main body 1, so that the four fixing heads 907 are more stable and have stronger stability to the fixing of the filter screen 7 in the mounting groove 10.

Specifically, referring to fig. 4-5, the fixing plate 903 is located at the rear side of the expansion slot 902 and is attached to the front surface of the stopper 906, and the expansion distance of the stopper 906 in the expansion slot 902 is greater than the longitudinal length of the fixing head 907.

In this embodiment, the telescopic rod 905 is limited by the limiting block 906, so that the fixing head 907 does not extend too much from the telescopic slot 902 of the casing 901 when the spring 908 elastically supports the fixing head 907, and the filter screen 7 cannot be extruded to be unable to shrink, meanwhile, the telescopic distance of the limiting block 906 in the telescopic slot 902 is greater than the longitudinal length of the fixing head 907, so that the fixing head 907 cannot be completely shrunk into the telescopic slot 902 due to the limited telescopic distance of the limiting block 906, and the filter screen 7 cannot be taken out from the installation slot 10.

Specifically, referring to fig. 5, the outer wall of telescoping rod 905 is movably sleeved with spring 908 and positioned between fixing head 907 and fixing plate 903, and the front surface of fixing head 907 is smooth and sized to fit telescoping slot 902.

In this embodiment, the spring 908 is disposed between the fixing head 907 and the fixing plate 903, so that the spring 908 elastically supports the fixing head 907 with the fixing plate 903 as a supporting point, and the fixing head 907 fixes the filter screen 7, and the fixing head 907 can be quickly contracted into the telescopic slot 902 when the filter screen 7 extrudes the fixing head 907 due to the smooth front surface of the fixing head 907 and the size matching with the telescopic slot 902.

Working principle:

the medical gas filter of the utility model: the nut 607 is rotated by pulling the pulling piece, so that the nut 607 moves upwards on the threaded rod 606 to be separated from the limit groove 603 in the upper fixing seat 601, then the hand ball 608 is held to rotate the rotating rod 605, then the threaded rod 606 is separated from the notch 602 of the upper fixing seat 601, then the top cover 4 is opened, at the moment, four fixing heads 907 in the main body 1 form a cross-shaped fixing for the filter screen 7, two index fingers respectively extend into the handle groove 11, the filter screen 7 is lifted upwards by the grooves 8 on two sides of the filter screen 7, the filter screen 7 is extruded by the fixing heads 907 to shrink, the fixing heads 907 shrink along the telescopic grooves 902 in the casing 901, and the springs 908 are reset to push the fixing heads 907 to stretch out after the filter screen 7 is taken out, so that the filter screen 7 is taken out to be cleaned or replaced rapidly.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a medical gas filter, its characterized in that, includes main part (1), drain (2) and air inlet (3) inside intercommunication are seted up respectively to bottom and one side of main part (1), the top of main part (1) articulates through the articulated shaft has top cap (4), gas outlet (5) of intercommunication are seted up at top cap (4), opening mechanism (6) are installed and are located the opposite side of articulated shaft in the junction of main part (1) and top cap (4), filter screen (7) are installed to inside movable mounting of main part (1), recess (8) are all seted up to the both sides of filter screen (7), the inner wall of main part (1) inlays and is equipped with fixed establishment (9) that are four and are used for fixed filter screen (7) in quantity;

the opening mechanism (6) comprises an upper fixing seat (601), the upper fixing seat (601) is fixedly arranged on one opposite side of the top cover (4) to the hinge shaft, a notch (602) is formed in the opposite side of the upper fixing seat (601) to the top cover (4), a lower fixing seat (604) is fixedly arranged on the outer wall of the main body (1) and corresponds to the upper fixing seat (601), a rotating rod (605) is rotatably connected to the lower fixing seat (604), a threaded rod (606) is fixedly arranged at the center of the rotating rod (605), and a nut (607) is connected to the outer wall of the threaded rod (606) in a threaded manner;

the fixing mechanism (9) comprises a shell (901), four square holes are formed in the main body (1) and are embedded in the shell (901), a telescopic groove (902) and a front opening are formed in the shell (901), a fixing plate (903) is fixedly mounted in the shell (901), a telescopic hole (904) is formed in the center of the fixing plate (903), the fixing plate (903) is slidably connected with a telescopic rod (905) through the telescopic hole (904), and a limiting block (906) and a fixing head (907) are fixedly connected to the rear end and the front end of the telescopic rod (905) respectively.

2. The medical gas filter according to claim 1, wherein a limit groove (603) communicated with the notch (602) is formed in the upper surface of the upper fixing seat (601), and the limit groove (603) is wide at the upper part and narrow at the lower part, and the bottom is identical to the nut (607) in diameter.

3. The medical gas filter according to claim 1, wherein a hand ball (608) is fixedly arranged at the bottom end of the threaded rod (606), and two symmetrically arranged poking sheets are fixedly connected to the outer wall of the nut (607).

4. The medical gas filter according to claim 1, wherein the upper end surface of the main body (1) is provided with a mounting groove (10) for placing the filter screen (7), and the inner wall of the main body (1) is further provided with two symmetrically arranged handle grooves (11) which are higher than the bottom of the mounting groove (10).

5. A medical gas filter according to claim 1, characterized in that four of the fixing means (9) are equidistantly arranged in a cross-like manner on the inner wall of the body (1).

6. The medical gas filter according to claim 1, wherein the fixing plate (903) is located at the rear side of the telescopic slot (902) and is attached to the front surface of the stopper (906), and the telescopic distance of the stopper (906) in the telescopic slot (902) is greater than the longitudinal length of the fixing head (907).

7. The medical gas filter according to claim 1, wherein the outer wall of the telescopic rod (905) is movably sleeved with a spring (908) and is positioned between the fixing head (907) and the fixing plate (903), and the front surface of the fixing head (907) is smooth and is matched with the telescopic slot (902) in size.