External air source device for oxygen respirator

Abstract

The utility model provides an external air source device for an oxygen respirator, which is simple and reasonable in structure, convenient to operate by a single person, time-saving, labor-saving, convenient to disassemble and assemble, safe and stable, plays a role in fixing a convenient external air source and preventing a bottle body of an air source bottle from shaking, and comprises a shell, the air source bottle and a tray, an oxygen respirator mask communicated with the interior of the instrument is arranged on the shell, the tray is fixedly installed at the bottom of the shell, a hollow area is arranged on the tray, the air source bottle is arranged on the outer side of the shell, a bottle head of the air source bottle is inserted into the hollow area, a directional moving sliding groove is formed in the top of the tray, and the air source bottle is arranged in the directional moving sliding groove. A movable bottle head fixing clamp is slidably installed in the directional moving sliding groove, a fixed bottle head clamping seat is installed on the right wall of the directional moving sliding groove, a first crescent is arranged on the inner side of the movable bottle head fixing clamp, and a second crescent is arranged on the inner side of the fixed bottle head clamping seat; the first crescent and the second crescent are combined to form a circular fixing part with the telescopic size, and the circular fixing part is used for fixing the bottle head of the gas source bottle.

Description

Technical Field

[0001] The utility model relates to the technical field of external fixing of oxygen respirators, in particular to an external air source device for oxygen respirators. Background Art

[0002] When the oxygen pressure in the instrument is insufficient and the gas source cylinder needs to be replaced, the wearer connects the external gas source to the inflation structure in the shortest time, quickly delivers high-pressure oxygen to the instrument, and firmly fixes the external gas source to the oxygen respirator worn by the wearer, so as to achieve the purpose of single-person rapid and safe replacement of the gas source cylinder.

[0003] The existing fixing method of oxygen respirators is complicated and cannot achieve the purpose of rapid and safe replacement of gas source cylinders by a single person. Utility Model Content

[0004] In view of the defects existing in the prior art, the technical problem solved by the utility model is that the existing fixing method of oxygen respirators is complicated and cannot achieve the purpose of rapid and safe replacement of gas source cylinders by a single person, and provides an external gas source device for oxygen respirators.

[0005] In order to achieve the above objectives, the utility model provides:

[0006] A device for connecting an oxygen respirator to an external gas source comprises a shell, a gas source bottle and a tray, wherein the shell is connected to a mask of the oxygen respirator, the tray is fixedly mounted on the bottom of the shell, a hollow area is provided on the tray, the gas source bottle is arranged on the outer side of the shell, a bottle head of the gas source bottle is inserted into the hollow area, a directional movable slide is installed on the top of the tray, a movable bottle head fixing card is slidably installed in the directional movable slide, a fixed bottle head holder is installed on the right wall of the directional movable slide, a first crescent is provided on the inner side of the movable bottle head fixing card, a second crescent is provided on the inner side of the fixed bottle head holder, the first crescent and the second crescent are combined into a retractable circular fixing for fixing the bottle head of the gas source bottle.

[0007] Preferably, a first spring is fixedly installed on the left side of the movable bottle head fixing card and is fixedly installed on the left wall of the directional movable slide slot, and two second springs are fixedly installed on the right side of the movable bottle head fixing card, and the two second springs are fixedly installed on the right wall of the directional movable slide slot. When not in use, the movable bottle head fixing card and the immovable fixed bottle head holder are closed by the first spring and the two second springs.

[0008] Preferably, a movable push card is fixedly installed on the bottom of the movable bottle head fixing card, and the bottom end of the movable push card extends to the bottom of the hollow area; the movable push card is pushed by hand to drive the movable movable bottle head fixing card to move in a directional movable slide groove of the controllable bottle head fixing component, and the position of the movable bottle head fixing card is adjusted to realize the movement of the movable bottle head fixing card within a certain range, thereby playing the role of fixing the bottle heads of gas source bottles with different bottlenecks.

[0009] Preferably, four tray fixing wires are arranged on the top of the tray, and the tray and the directional movable slide groove are fixed to the bottom of the shell by the four tray fixing wires.

[0010] Preferably, two gas cylinder fixing straps are installed on the outer side of the shell, and the gas source bottle is fixed to the outer side of the shell by the two gas cylinder fixing straps.

[0011] Preferably, the length of the first spring is greater than the length of the second spring.

[0012] Compared with the prior art, the advantages of the utility model are:

[0013] 1. When not in use, the movable bottle head fixing card and the immovable fixed bottle head holder are closed by the first spring and the two second springs to keep them balanced. When in use, the movable bottle head fixing card is pushed by hand to drive the movable bottle head fixing card to move in a directional moving slide groove of the controllable bottle head fixing component, so that the movable bottle head fixing card and the immovable fixed bottle head holder are opened. When the bottle head of the external gas source bottle is placed in the hollow area, the hand is released, and the tray supports the gas source bottle to play a supporting role. Under the elastic force of the first spring and the second spring, the first crescent and the second crescent fix the bottle head of the gas source bottle to achieve automatic closure and fixation of the external gas source bottle head;

[0014] 2. The upper body of the external gas source bottle is fixed by the gas bottle fixing belt fixed on the outer shell. By adjusting the position of the mobile bottle head fixing card, the mobile bottle head fixing card can be moved within a certain range to fix the bottle heads of gas source bottles with different bottlenecks;

[0015] The utility model discloses the structure design is simple and reasonable, single-person operation is convenient, time-saving and labor-saving, easy to disassemble and assemble, safe and stable, plays the role of preventing the gas source bottle body from shaking, and further fixing the bottle body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the gas source bottle and shell installation used in this design;

[0017] Figure 2 This is the structural diagram of this design;

[0018] Figure 3It is a top view structural diagram of the movable bottle head fixing card, the fixed bottle head card seat, the first spring and the second spring in this design;

[0019] Figure 4 This is a top view structural diagram of the directional moving chute in this design;

[0020] Figure 5 This is a top view of the structure of the tray in this design;

[0021] Figure 6 This is a schematic diagram of the structure of the two gas cylinder fixing straps in this design.

[0022] In the figure: 1. shell; 11. oxygen respirator mask; 12. gas cylinder fixing belt; 2. gas source bottle; 3. tray; 31. hollow area; 32. tray fixing wire; 4. directional moving slide; 5. mobile bottle head fixing card; 51. first spring; 52. mobile push card; 53. first crescent; 54. fixed bottle head holder; 55. second crescent; 56. second spring. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings.

[0024] See also Figure 1-6 As shown, a device for connecting an oxygen respirator to an external gas source comprises a shell 1, a gas source bottle 2 and a tray 3. The shell 1 is connected to an oxygen respirator mask 11. The tray 3 is fixedly mounted on the bottom of the shell 1. A hollow area 31 is provided on the tray 3. The gas source bottle 2 is arranged on the outer side of the shell 1. The bottle head of the gas source bottle 2 is inserted into the hollow area 31. A directional movable slide 4 is installed on the top of the tray 3. A movable bottle head fixing card 5 is slidably installed in the directional movable slide 4. A fixed bottle head holder 54 is installed on the right wall of the directional movable slide 4. A first crescent 53 is provided on the inner side of the movable bottle head fixing card 5. A second crescent 55 is provided on the inner side of the fixed bottle head holder 54. The first crescent 53 and the second crescent 55 are combined into a circle for fixing the bottle head of the gas source bottle 2.

[0025] In this embodiment, a first spring 51 is fixedly installed on the left side of the movable bottle head fixing card 5 and is fixedly installed on the left wall of the directional movable slide groove 4. Two second springs 56 are fixedly installed on the right side of the movable bottle head fixing card 5. The two second springs 56 are fixedly installed on the right wall of the directional movable slide groove 4. The length of the first spring 51 is greater than the length of the second spring 56. When not in use, the movable bottle head fixing card 5 and the immovable fixed bottle head holder 54 are closed by the first spring 51 and the two second springs 56.

[0026] In this embodiment, a movable push card 52 is fixedly installed at the bottom of the movable bottle head fixing card 5, and the bottom end of the movable push card 52 extends to the bottom of the hollow area 31; the movable push card 52 is pushed by hand to drive the movable movable bottle head fixing card 5 to move in a directional movable slide groove 4 of the controllable bottle head fixing component, and the position of the movable bottle head fixing card 5 is adjusted to realize the movement of the movable bottle head fixing card 5 within a certain range, thereby playing a role in fixing the bottle heads of gas source bottles with different bottlenecks.

[0027] In this embodiment, four tray fixing wires 32 are arranged on the top of the tray 3 , and the tray 3 and the directional movable slide chute 4 are fixed to the bottom of the shell 1 through the four tray fixing wires 32 .

[0028] In this embodiment, two gas cylinder fixing straps 12 are installed on the outer side of the shell 1 , and the gas source bottle 2 is fixed to the outer side of the shell 1 by the two gas cylinder fixing straps 12 .

[0029] Working mode: When not in use, the movable bottle head fixing card 5 and the immovable fixed bottle head holder 54 are closed by the first spring 51 and the two second springs 56 to keep them balanced. When in use, the movable bottle head fixing card 5 is driven by hand to move in a directional moving slide groove 4 of the controllable bottle head fixing component, so that the movable bottle head fixing card 5 and the immovable fixed bottle head holder 54 are opened. When the bottle head of the external gas source bottle 2 is placed in the hollow area 31, the hand is released, and the tray 3 supports the gas source bottle 2 to play a supporting role. The movable bottle head fixing card 5 is in the first spring 5 1 and the second spring 56, the first crescent 53 and the second crescent 55 fix the bottle head of the gas source bottle 2, so as to realize automatic closing and fixing of the external gas source bottle head. The upper body of the external gas source bottle 2 is fixed by the gas bottle fixing belt 12 fixed on the shell 1. By adjusting the position of the mobile bottle head fixing card 5, the mobile bottle head fixing card 5 can be moved within a certain range, so as to fix gas source bottles with different bottlenecks. The structural design is simple and reasonable, the operation is convenient, time-saving and labor-saving, easy to disassemble and assemble, safe and stable, and conducive to promotion and popularization, so as to prevent the gas source bottle body from shaking and further fix the bottle body.

[0030] The present invention is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present invention. However, no matter what changes are made in the shape or structure, any technical solution that is the same or similar to the present invention is within the scope of protection.

Claims

1. A device for connecting an oxygen respirator to an external gas source, comprising a housing (1), a gas source bottle (2), and a tray (3), wherein the housing (1) is connected to a mask (11) of the oxygen respirator, and characterized in that: The tray (3) is fixedly mounted on the bottom of the shell (1); a hollow area (31) is provided on the tray (3); the gas source bottle (2) is arranged on the outer side of the shell (1); the bottle head of the gas source bottle (2) is inserted into the hollow area (31); a directional movable slide groove (4) is installed on the top of the tray (3); a movable bottle head fixing card (5) is slidably installed in the directional movable slide groove (4); a fixed bottle head holder (54) is installed on the right wall of the directional movable slide groove (4); a first crescent (53) is provided on the inner side of the movable bottle head fixing card (5); a second crescent (55) is provided on the inner side of the fixed bottle head holder (54); the first crescent (53) and the second crescent (55) are combined into a circle for fixing the bottle head of the gas source bottle (2).

2. The external air source device for oxygen respirator according to claim 1, characterized in that: A first spring (51) is fixedly mounted on the left side of the movable bottle head fixing card (5) and is fixedly mounted on the left wall of the directional movable slide groove (4). Two second springs (56) are fixedly mounted on the right side of the movable bottle head fixing card (5), and the two second springs (56) are fixedly mounted on the right wall of the directional movable slide groove (4).

3. The external air source device for oxygen respirator according to claim 2, characterized in that: The length of the first spring (51) is greater than the length of the second spring (56).

4. The external air source device for oxygen respirator according to claim 1, characterized in that: A movable push card (52) is fixedly mounted on the bottom of the movable bottle head fixing card (5), and the bottom end of the movable push card (52) extends to the bottom of the hollow area (31).

5. The external air source device for oxygen respirator according to claim 1, characterized in that: Four tray fixing wires (32) are arranged on the top of the tray (3), and the tray (3) and the directional movable slide groove (4) are fixed to the bottom of the shell (1) by means of the four tray fixing wires (32).

6. The external air source device for oxygen respirator according to claim 1, characterized in that: Two gas cylinder fixing straps (12) are installed on the outer side of the outer shell (1), and the gas source bottle (2) is fixed to the outer side of the outer shell (1) by the two gas cylinder fixing straps (12).

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