CN219700750U

CN219700750U - Tightness-adjustable oxygen inhalation mask

Info

Publication number: CN219700750U
Application number: CN202320696508.4U
Authority: CN
Inventors: 王艳; 周桂龙
Original assignee: 987 Hospital Of Joint Logistics Support Force Of Pla
Current assignee: 987 Hospital Of Joint Logistics Support Force Of Pla
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-09-19
Anticipated expiration: 2033-04-03

Abstract

The utility model discloses an oxygen mask with adjustable tightness, which relates to the technical field of oxygen masks and comprises a mask main body, elastic belts are arranged at two ends of the mask main body, an adjusting box is arranged at the rear side of the mask main body, the rear ends of the two elastic belts respectively penetrate through the adjusting box from the left end and the right end, a rotating shaft is rotatably arranged between the inner walls of the upper end and the lower end of the adjusting box and corresponds to the position between the two elastic belts, an adjusting gear is fixedly arranged on the rotating shaft, rack grooves are formed at the right ends of the two elastic belts, racks are fixedly arranged in the two rack grooves and meshed with the adjusting gear, an air bag cushion is fixedly arranged at the rear end of the mask main body, an air inflation tube is fixedly arranged at the lower end of the air bag cushion, a one-way valve tube is fixedly arranged at the lower end of the air inflation tube, and an inflation ball is fixedly arranged at the rear end of the one-way valve tube; the device can adjust the tightness degree of the mask main body, so that patients with different head sizes can wear the mask.

Description

Tightness-adjustable oxygen inhalation mask

Technical Field

The utility model relates to the technical field of oxygen masks, in particular to an oxygen mask with adjustable tightness.

Background

Oxygen inhalation is used for correcting hypoxia, improving the arterial blood oxygen partial pressure and the oxygen saturation level, is one of important methods for clinically assisting in treating various diseases, mask oxygen inhalation is a common method for oxygen inhalation, is clinically commonly used for assisting treatment of critical patients, is an important rescue pipeline for providing oxygen for critical patients, can improve the arterial blood oxygen partial pressure and the oxygen saturation level of critical patients, and is required to be worn on the nose or the nose and the mouth of the patient for continuous feeding when the patient is treated, and a plurality of connectors are generally used for connecting a head belt with a frame body, so that the oxygen inhalation mask can be fixed on the head of the patient.

Personnel engaged in medical work find that the head sizes and the facial shapes of different patients are different, and the mode of assisting the patients in wearing the oxygen mask by adopting the elastic ropes of the fixed structures cannot meet the wearing requirements of different patients, and the cost of medical equipment is increased by adopting the elastic ropes with different lengths according to the head sizes of the patients.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the head sizes and the face shapes of different patients are different, the mode of using the elastic ropes of the fixed structures to assist the patients to wear the oxygen mask cannot meet the requirement of wearing of different patients, and the elastic ropes with different lengths are required to be used according to the head sizes of the patients, so that the cost of medical equipment is increased.

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides an adjustable oxygen inhalation mask of elasticity, includes the face guard main part, face guard main part both ends all are provided with the elastic cord, face guard main part rear side is provided with the regulation box, two the elastic cord rear end runs through the regulation box from controlling both ends respectively, it installs the pivot to correspond the position rotation between two elastic cords to adjust between the box upper and lower both ends inner wall, fixed mounting has adjusting gear in the pivot, two the rack groove has all been seted up to the elastic cord right-hand member, two equal fixed mounting has the rack in the rack groove, and two racks all mesh with adjusting gear, face guard main part rear end fixed mounting has the gasbag pad, gasbag pad lower extreme fixed mounting has the gas tube, gas tube lower extreme fixed mounting has the check valve pipe, check valve pipe rear end fixed mounting has the balloon.

Further, the position corresponding to the upper end of the adjusting gear on the rotating shaft is fixedly provided with a worm wheel, a worm is inserted between the inner walls at the front end and the rear end of the adjusting box and corresponds to the right side of the rotating shaft, the worm penetrates through the rear end of the adjusting box, the rear end of the worm is fixedly provided with a knob driven gear, the left side of the knob driven gear is meshed with a knob driving gear, the rear end of the knob driving gear is fixedly provided with a knob, and the knob penetrates through the knob driving gear and is rotatably arranged at the rear end of the adjusting box.

Further, bolt holes are formed in the front ends of the two elastic bands, and the two elastic bands are fixedly mounted at two ends of the mask body through elastic band bolts respectively.

Further, the front end of the mask main body is provided with an air vent at a position close to the left, a one-way valve is fixedly arranged in the air vent, and the outer end of the air vent is hinged with an air permeable cover.

Further, ventholes and inlet port have been seted up respectively to the both ends about the check valve pipe, be provided with the check valve in the venthole, the venthole inner wall corresponds the position fixed mounting of check valve rear end has the stopper, check valve rear end fixedly mounted has the valve spring, and the upper end fixed connection of valve spring to the stopper, the air passing hole has all been seted up at the check valve both ends, the air passing groove has all been seted up to the position that the venthole inner wall corresponds two air passing holes.

Further, a vent hole is formed in the position, corresponding to the rear end of the air outlet hole, of the one-way valve pipe, a vent valve is movably inserted into the inner wall of the vent hole, and a vent bolt is arranged at the rear end of the vent valve in a threaded manner.

Further, a soft cushion is fixedly arranged at the front end of the adjusting box, and the soft cushion is made of silica gel.

Further, a square hanging block is fixedly arranged at the upper end of the mask main body, and a square hole is formed in the middle of the square hanging block.

The beneficial effects of the utility model are as follows:

1. when the mask body is worn on the face of a patient, the knob is rotated when the patient feels that the elastic bands are too tight or loose, the knob driving gear drives the knob driven gear to rotate so as to drive the worm to rotate, the rotating shaft is driven to rotate through the meshing of the worm and the worm wheel and the fixing structure of the worm wheel and the rotating shaft, finally the adjusting gear on the rotating shaft rotates, and the two elastic bands can be subjected to length adjustment in the adjusting box through the meshing of the adjusting gear and the racks on the two elastic bands, so that the degree of tightness of the mask body is adjusted.

2. According to the utility model, the adjusting gear is not pulled by the two elastic belts to automatically rotate in a linkage mode of the worm wheel and the worm, and the adjusting gear can be rotated only in a manual rotation mode, so that the basic function of the device is ensured.

3. According to the utility model, the two elastic bands are fixed on the posts through the two elastic band bolts, so that the two elastic bands can be detached and installed, and the later cleaning or replacement is convenient.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic structural view of the regulating box of the present utility model;

FIG. 3 is a schematic view of the internal structure of the regulating box of the present utility model;

FIG. 4 is a front view of the present utility model;

FIG. 5 is a side cross-sectional view of a one-way valve tube of the present utility model;

fig. 6 is a front cross-sectional view of the one-way valve tube of the present utility model.

Reference numerals: 1. a mask body; 2. an elastic band; 3. a rack slot; 4. a rack; 5. an adjustment box; 6. a soft cushion; 7. an adjusting gear; 8. a rotating shaft; 9. a worm wheel; 10. a worm; 11. a knob driven gear; 12. a knob drive gear; 13. a knob; 14. ventilation holes; 15. a one-way valve; 16. a ventilation cover; 17. an elastic band bolt; 18. square hanging blocks; 19. an airbag cushion; 20. inflating the balloon; 21. a one-way valve tube; 22. an air inlet hole; 23. an air outlet hole; 24. a one-way valve; 25. a valve spring; 26. air passing holes; 27. a gas passing groove; 28. a limiting block; 29. a bleed hole; 30. a bleed valve; 31. a deflation bolt 32 and an inflation tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-6, the utility model provides an oxygen inhalation mask with adjustable tightness, which comprises a mask main body 1, elastic belts 2 are arranged at two ends of the mask main body 1, an adjusting box 5 is arranged at the rear side of the mask main body 1, the rear ends of the two elastic belts 2 respectively penetrate through the adjusting box 5 from the left end and the right end, a rotating shaft 8 is rotatably arranged between the inner walls of the upper end and the lower end of the adjusting box 5 and corresponds to the position between the two elastic belts 2, an adjusting gear 7 is fixedly arranged on the rotating shaft 8, rack grooves 3 are respectively arranged at the right ends of the two elastic belts 2, racks 4 are fixedly arranged in the two rack grooves 3, the two racks 4 are meshed with the adjusting gear 7, an air bag cushion 19 is fixedly arranged at the rear end of the mask main body 1, an air inflation tube 32 is fixedly arranged at the lower end of the air bag cushion 19, a one-way valve tube 21 is fixedly arranged at the lower end of the air inflation tube 32, and an air inflation ball 20 is fixedly arranged at the rear end of the one-way valve tube 21.

In this embodiment, preferably, a worm wheel 9 is fixedly installed on the rotating shaft 8 corresponding to the upper end of the adjusting gear 7, a worm 10 is inserted between the inner walls of the front end and the rear end of the adjusting box 5 corresponding to the right side of the rotating shaft 8, the worm 10 penetrates through the rear end of the adjusting box 5, a knob driven gear 11 is fixedly installed at the rear end of the worm 10, a knob driving gear 12 is meshed with the left side of the knob driven gear 11, a knob 13 is fixedly installed at the rear end of the knob driving gear 12, and the knob 13 penetrates through the knob driving gear 12 and is rotatably installed at the rear end of the adjusting box 5; through the linkage mode of worm wheel 9 and worm 10 for adjusting gear 7 can not be pulled by two elastic bands 2 and then autogiration, only can make adjusting gear 7 rotate through manual pivoted mode, guaranteed the basic function of device.

In this embodiment, preferably, bolt holes are formed at the front ends of the two elastic bands 2, and the two elastic bands 2 are respectively and fixedly installed at two ends of the mask main body 1 through elastic band bolts 17; the two elastic bands 2 are fixed on the columns through the two elastic band bolts 17, so that the two elastic bands 2 can be detached and installed, and later cleaning or replacement is facilitated.

In the embodiment, preferably, the front end of the mask body 1 is provided with the vent hole 14 at the left position, the unidirectional valve 15 is fixedly arranged in the vent hole 14, and the outer end of the vent hole 14 is hinged with the vent cover 16; through the setting of bleeder vent 14 for the abandonment that the patient exhales can be got rid of through bleeder vent 14, and one-way valve 15 can compress tightly the outside of bleeder vent 14 under the effect of reset elasticity simultaneously, plays one-way exhaust effect, avoids outside waste gas backward flow.

In this embodiment, preferably, the upper and lower ends of the one-way valve tube 21 are respectively provided with an air outlet hole 23 and an air inlet hole 22, a one-way valve 24 is arranged in the air outlet hole 23, a limiting block 28 is fixedly arranged on the inner wall of the air outlet hole 23 corresponding to the rear end of the one-way valve 24, a valve spring 25 is fixedly arranged on the rear end of the one-way valve 24, the upper end of the valve spring 25 is fixedly connected to the limiting block 28, both ends of the one-way valve 24 are provided with air passing holes 26, and both positions of the inner wall of the air outlet hole 23 corresponding to the two air passing holes 26 are provided with air passing grooves 27; through the arrangement of the one-way valve tube 21, the gas blown out of the inflatable ball 20 can only enter the air bag cushion 19 through the one-way valve 24 and the gas passing groove 27, the gas passing hole 26 and the gas outlet hole 23 respectively, when the inflatable ball 20 does not give out gas any more, the one-way valve 24 can block the gas inlet hole 22 under the action of the valve spring 25, so that the gas in the air bag cushion 19 cannot automatically flow back, and the basic function of the device is ensured.

In this embodiment, preferably, the position of the unidirectional valve tube 21 corresponding to the rear end of the air outlet hole 23 is provided with an air release hole 29, the inner wall of the air release hole 29 is movably inserted with an air release valve 30, and the rear end of the air release valve 30 is provided with an air release bolt 31 in a threaded manner; when the air bag cushion 19 is inflated to the feet, a user can open the air release valve 30 by manually rotating the air release bolt 31, so that air in the air bag cushion 19 flows back into the air inflation ball 20 through the air release hole 29, and the inflation degree of the air bag cushion 19 is conveniently adjusted.

In this embodiment, preferably, the front end of the adjusting box 5 is fixedly provided with a soft cushion 6, and the soft cushion 6 is made of silica gel; when the cushion 6 is worn, the adjusting box 5 is placed between the hindbrain of a patient, so that the extrusion of the adjusting box 5 to the hindbrain can be reduced, and the comfort level of the patient is further improved.

In this embodiment, preferably, a square hanging block 18 is fixedly arranged at the upper end of the mask main body 1, and a square hole is formed in the middle of the square hanging block 18; by the square hanging blocks 18, the mask main body 1 can be hung on a hook on a ward wall or other places where the mask main body can be placed, and medical staff and patients can take the mask at any time conveniently.

The working principle and the using flow of the utility model are as follows: when the device is used, the mask body 1 is worn on the face of a patient, when the patient feels that the elastic bands 2 are too tight or loose, the knob 13 is rotated, the knob driven gear 11 is driven to rotate through the knob driving gear 12, so that the worm 10 is driven to rotate, the rotating shaft 8 is driven to rotate through the meshing of the worm 10 and the worm wheel 9 and the fixing structure of the worm wheel 9 and the rotating shaft 8, finally, the adjusting gear 7 on the rotating shaft 8 is driven to rotate, and the two elastic bands 2 can be used for adjusting the length of the two elastic bands 2 in the adjusting box 5 through the meshing of the adjusting gear 7 and the racks 4 on the two elastic bands 2, the adjustment of the tightness of the mask body 1 is completed, and air can be filled into the air bag cushion 19 through the extrusion of the air bag ball 20, so that the air bag cushion 19 can bulge and be attached to the face of the patient, meanwhile, the indentation of the mask body 1 to the face can be reduced when the mask is worn, and the comfort of the patient is improved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An oxygen inhalation mask with adjustable tightness is characterized in that: including face guard main part (1), face guard main part (1) both ends all are provided with elastic cord (2), face guard main part (1) rear side is provided with regulation box (5), two both ends run through regulation box (5) about elastic cord (2) rear end respectively, position rotation between corresponding two elastic cord (2) between the inner wall of both ends about regulation box (5) is installed pivot (8), fixed mounting has adjusting gear (7) on pivot (8), two rack groove (3) have all been seted up to elastic cord (2) right-hand member, two equal fixed mounting has rack (4) in rack groove (3), and two rack (4) all mesh with adjusting gear (7), face guard main part (1) rear end fixed mounting has gasbag pad (19), gasbag pad (19) lower extreme fixed mounting has gas tube (32), gas tube (32) lower extreme fixed mounting has one-way valve pipe (21), one-way valve pipe (21) rear end fixed mounting has balloon (20).

2. The tightness-adjustable oxygen inhalation mask according to claim 1, wherein a worm wheel (9) is fixedly arranged on the rotating shaft (8) corresponding to the upper end of the adjusting gear (7), a worm (10) is inserted between the inner walls of the front end and the rear end of the adjusting box (5) corresponding to the right side of the rotating shaft (8), the worm (10) penetrates through the rear end of the adjusting box (5), a knob driven gear (11) is fixedly arranged at the rear end of the worm (10), a knob driving gear (12) is meshed with the left side of the knob driven gear (11), a knob (13) is fixedly arranged at the rear end of the knob driving gear (12), and the knob (13) penetrates through the knob driving gear (12) and is rotatably arranged at the rear end of the adjusting box (5).

3. The oxygen inhalation mask with adjustable tightness according to claim 1, wherein the front ends of the two elastic bands (2) are provided with bolt holes, and the two elastic bands (2) are respectively and fixedly arranged at the two ends of the mask main body (1) through elastic band bolts (17).

4. The tightness-adjustable oxygen inhalation mask according to claim 1, wherein the front end of the mask body (1) is provided with an air vent (14) at a left position, a one-way valve (15) is fixedly arranged in the air vent (14), and the outer end of the air vent (14) is hinged with a ventilation cover (16).

5. The oxygen inhalation mask with adjustable tightness according to claim 1, wherein the upper end and the lower end of the one-way valve tube (21) are respectively provided with an air outlet hole (23) and an air inlet hole (22), the inside of the air outlet hole (23) is provided with a one-way valve (24), the inner wall of the air outlet hole (23) is fixedly provided with a limiting block (28) corresponding to the position of the rear end of the one-way valve (24), the rear end of the one-way valve (24) is fixedly provided with a valve spring (25), the upper end of the valve spring (25) is fixedly connected to the limiting block (28), both ends of the one-way valve (24) are respectively provided with an air passing hole (26), and the positions of the inner wall of the air outlet hole (23) corresponding to the two air passing holes (26) are respectively provided with an air passing groove (27).

6. The tightness-adjustable oxygen inhalation mask according to claim 1, wherein a vent hole (29) is formed in the position, corresponding to the rear end of the air outlet hole (23), of the one-way valve tube (21), a vent valve (30) is movably inserted on the inner wall of the vent hole (29), and a vent bolt (31) is installed at the rear end of the vent valve (30) in a threaded manner.

7. The tightness-adjustable oxygen inhalation mask according to claim 1, wherein a soft cushion (6) is fixedly arranged at the front end of the adjusting box (5), and the soft cushion (6) is made of silica gel.

8. The tightness-adjustable oxygen inhalation mask according to claim 1, wherein a square hanging block (18) is fixedly arranged at the upper end of the mask main body (1), and a square hole is formed in the middle of the square hanging block (18).