CN2078617U - Medical oxygen cabin - Google Patents

Abstract

The utility model relates to a medical small oxygen cabin. The utility model provides with an air compressor and an oxygen breathing device. A cabin body and a door sealing gasket, of the oxygen cabin, are connected by a hinge. Circumferential edge of the door sealing gasket is uniformly provided with a plurality of gear blocks. A flange of the cabin body is provided with a collar. The middle part of an inner circumferential face of the collar is provided with a through slot in circumferential direction. A side wall of the slot is provided with indents which have the same number of the gear blocks. Bumps are formed between indents. Wall surfaces of the slot are one slope in circumferential direction. A driving mechanism drives the collar rotating on the flange, or the collar is fixed. The driving mechanism drives the door sealing gasket rotating when the hinge connects center points of a shaft of the door sealing gasket, and can press and seal the cabin body and the door sealing gasket.

Description

Medical small oxygen cabin

This utility model relates to a kind of hyperbaric oxygentherapy equipment, and particularly county, the treatment patient of district small hospital use to be fit to all kinds of hospitals.

Hyperbaric oxygen therapy is to make patient (be higher than 1 atmospheric pressure) thereby a kind of method that the equal pressure oxygen uptake is treated in the Compressed Gas environment.The oxygen cabin then provides the equipment of Compressed Gas environment space.Existing oxygen cabin, its cabin body and door envelope all adopt hinge-coupled, and pay to pressurize with a plurality of spirals and make it reach seal request.The operation that the pressurization of this structure and release of pressure open the door is comparatively loaded down with trivial details, and the operating time is long, and sealing effectiveness is not good enough yet.

Task of the present utility model is the improvement of a kind of hyperbaric oxygen chamber of design, and its pressurization device should have easy and simple to handle, good sealing effect, and structure is characteristic of simple comparatively again.

This utility model provides following technical scheme.

This oxygen cabin comprises cabin body and door envelope, uses hinge-coupled between the two.The oxygen cabin is also supporting air compressor machine and inhalation device.The whole circumference limit of door envelope is shaped on equally distributed several tooth pieces, has certain void pitch between the tooth piece.The hatch of cabin body is a circular flange, and a collar is housed on the flange, and the inner peripheral surface middle part of collar is shaped on circumferential groove, and the bead of flange embeds in the groove of collar.This groove is positioned at and also correspondingly on the cell wall of front cover side is shaped on the recess identical with the tooth number of blocks, and the geometry of recess should be greater than the geometry of tooth piece, so that the door envelope is when closing, the tooth piece that door is sealed up can enter in the groove of collar by recess.Match therewith, the geometry of the projection that forms naturally between two recesses is also corresponding to the void pitch between the tooth piece of door envelope.Said projection be positioned at groove as this side of trough wall surface along the circumferencial direction bevel, this inclined-plane and opposite side trough wall surface form Space Oblique and carve, its maximum ga(u)ge and minimum thickness respectively greater than with less than flange bead and tooth piece thickness sum exert pressure so that Space Oblique carves flange and tooth piece meshed simultaneously.Match therewith, the compression face on the tooth piece is also made corresponding inclined-plane, in order to stressed even.Type of drive can have two kinds, and the one, hinge connects surely with the door sealing, drives the empty collar that is enclosed within on the flange bead by a driving mechanism and rotates around the collar axis; Another kind is a hinge and the door envelope is only carried out hingedly at the center of rotation of door envelope, and collar and flange are fixedly connected, and driving mechanism drives the pivot axis that the door envelope is sealed around door.These two kinds of modes all can make tooth piece and flange bead be subjected to the clamping that the Space Oblique on the collar carves and exert pressure, and make cabin body and door envelope compress sealing mutually.In addition, the whole circumference position of sealing contacted flange with door is embedded with elastomeric material, makes the cabin body tight with door envelope pressing sealing.

Further specify below in conjunction with embodiment shown in the drawings.

Fig. 1 is the front elevational schematic in oxygen cabin.

Fig. 2 is that sketch map (the door envelope has been opened 180 degree again among the figure) is looked on its left side.

Fig. 3 is the A portion enlarged diagram among Fig. 1.

Fig. 4 is the expansion sketch map of collar.

Fig. 5 to Fig. 7 is each driving mechanism sketch map.

As shown in the figure, cabin body in this oxygen cabin 3 and door envelope 1 adopt hinge-coupled, and the whole circumference limit of door envelope evenly is shaped on several tooth pieces 2 (present embodiment actual have 16 of tooth pieces).Keep certain void pitch between the tooth piece.The hatch of cabin body is a circular flange 9, and a collar 5 is being overlapped in the flange sky.The inner peripheral surface of collar middle part is shaped on a circumferential groove 8, and the cross section of this groove (pivot center of mistake collar is done the cross section) is rectangular, trapezoidal, circular arc or other shape.Consider easily manufacturedly, preferentially adopt the groove of rectangular cross section.The bead 11 of flange embeds in the groove 8 of collar.Among the figure shown in Figure 4: a cell wall of front cover side 7 that is positioned at of collar is shaped on the recess 4 identical with the tooth number of blocks, and when the door envelope was closed, the tooth piece 2 that door is sealed up can enter in the groove by recess 4.In addition, between the recess the projection 6 that forms naturally, an inclined-plane 10 is made along circumferencial direction in its side as cell wall.Constitute a Space Oblique between this inclined-plane and another trough wall surface and carve, maximum ga(u)ge H that this is tiltedly carved and minimum thickness h are respectively greater than flange flange and tooth piece thickness sum S.Match therewith, the pressurized field of conjugate action 17 of tooth piece is also made corresponding inclined-plane.After driving mechanism drives a bead 18 that collar or door seal up collar or door envelope is rotated, tiltedly carve with regard to clamping and force in tooth piece and flange, an envelope and cabin body flange pressing are sealed.In addition, the whole circumference position of touching with the door sealing-in on the flange of cabin body all is embedded with elastomeric material 16 and makes oxygen cabin sealing more tight.

Wear-resistant for the force part that makes flange and tooth piece, these two parts and the contacted position of collar also are embedded with copper billet 12 in addition, and said elastomeric material can be rubber, polyurethane elastomeric material and plastics etc.

Said driving mechanism can have multiple choices, can be rackwork or the gear mechanism among Fig. 6 (collar is connected with sector gear outward, and another tooth bar or gears engaged sector gear make collar rotate some angles forward or backwards) among Fig. 5; It also can be Worm and worm-wheel gearing (drive screw mandrel 14 with worm and gear and rotate, drag a nut 13 that is connected on the collar, thereby make collar rotate some angles forward or backwards) shown in Figure 7; Also can be with air pressure shown in Figure 8 or hydraulic gear (cylinder or oil cylinder 15 drive collars and rotate forward or backwards).This utility model preferentially adopts Worm and worm-wheel gearing, and its power source adopts the mode of motor and hand shaken handle the two and usefulness.

This utility model supporting air compressor machine by the seal nipple on the pipeline UNICOM cabin body, can be directly to carrying air pressurized in the body of cabin; Supporting inhalation device, communicate with oxygen uptake mask in the body of cabin after also connecting joint on the body of cabin by the oxygen therapy pipeline by the oxygen cylinder of cabin external body, these devices and mounting means all are existing routine techniquess.

The oxygen cabin that this utility model provides is also supporting the circulating air regulating system, the lighting facility, and superpressure, zero voltage protection and abnormal conditions sound elder generation warning system, transmitter receiver etc., these devices can directly be buied from the market.The oxygen cabin is also supporting in addition has present embodiments such as portable sick bed, patient's seat and therapeutic equipment to treat use simultaneously for 6 patients.

When needing the treatment patient, only need open an envelope, treat that patient and medical personnel enter the oxygen cabin, close envelope to the doorstep then, the tooth piece that door is sealed up enters in the collar groove by the recess on the collar, then starter motor, driving collar by Worm and worm-wheel gearing slowly rotates around the axis of collar, perhaps drive the door envelope and slowly rotate around door envelope axis, tiltedly carving with regard to clamping in the collar forces in tooth piece and flange, and the elastomer on an envelope and the cabin body flange is closely compressed.After this just can start air compressor machine toward the interior pressurising air of cabin body, and allow patient use inhalation device equipressure (oxygen pressure is identical with the cabin inner air pressure) oxygen uptake to treat.Treatment finishes, and makes release of pressure in the cabin by air bleeding valve earlier, and then same starter motor makes the collar counter-rotating, tiltedly carve a flange and a chucking power of sealing the tooth piece to eliminate collar, treat recess and the door tooth piece position of sealing up on the collar to timing, but disable motor is then opened the door envelope.Meet power-off condition, the available handle that manually shakes rotates worm gear.

Oxygen provided by the utility model cabin, the operation of its pressurization device are used very safe, convenient, and the pressurization effect is good, and has self-locking property, and structure is again simple and practical, is fit to promote the use of.

Claims (5)

1, a kind of medical small oxygen cabin, be furnished with air compressor machine and inhalation device, the cabin body in this oxygen cabin and door envelope adopt hinge-coupled, the whole circumference limit that it is characterized in that an envelope is shaped on equally distributed several tooth pieces, has certain void pitch between the tooth piece, the hatch of cabin body is a circular flange, one collar is housed on the flange, the inner peripheral surface middle part of collar is shaped on circumferential groove, the bead of flange embeds in the groove of collar, the also corresponding recess that is shaped on tooth piece equal number on the side channel wall that is positioned at an envelope of this groove, the geometry of recess is greater than the geometry of tooth piece, formed projection between the recess, it is as the side of trough wall surface bevel along the circumferential direction, forming a Space Oblique between this inclined-plane and the opposite side trough wall surface carves, its maximum ga(u)ge and minimum thickness are greater than or less than flange bead and tooth piece thickness sum respectively, so that Space Oblique is carved the engagement of flange and tooth piece is exerted pressure, compression face on the tooth piece is also made corresponding inclined-plane, hinge connects surely with the door sealing, driving the empty collar that is enclosed within on the flange bead by a driving mechanism rotates around the collar axis, perhaps hinge only carries out hinged on the center of rotation of door envelope with the door envelope, collar and flange are fixedly connected, driving mechanism drives the pivot axis of door envelope around the door envelope, in addition, the whole circumference position of sealing contacted flange with door is embedded with elastomeric material, makes an envelope and flange seal tight.

2,, it is characterized in that the cross section of the circumferential groove at said collar inner peripheral surface middle part is a rectangle by the said medical small oxygen of claim 1 cabin.

3, by the said medical small oxygen of claim 2 cabin, it is characterized in that the compression face on said flange and the tooth piece is embedded with copper billet.

4, by the said medical small oxygen of claim 3 cabin, it is characterized in that said driving mechanism is a Worm and worm-wheel gearing.

5, by the said medical small oxygen of claim 4 cabin, it is characterized in that said elastomeric material is a rubber.

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