CN215567980U - Oxygen supply safety interlocking device for medical oxygen cabin - Google Patents
Oxygen supply safety interlocking device for medical oxygen cabin Download PDFInfo
- Publication number
- CN215567980U CN215567980U CN202121277178.2U CN202121277178U CN215567980U CN 215567980 U CN215567980 U CN 215567980U CN 202121277178 U CN202121277178 U CN 202121277178U CN 215567980 U CN215567980 U CN 215567980U
- Authority
- CN
- China
- Prior art keywords
- sealing ball
- safety
- oxygen
- channel
- cabin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The utility model discloses an oxygen supply safety interlocking device for a medical oxygen cabin, which comprises a valve body, an air inlet port and an air outlet port, wherein a channel is arranged between the air inlet port and the air outlet port, a valve port is arranged on the channel, a sealing ball is arranged in the channel, a compression spring for driving the sealing ball to seal the valve port is arranged in the channel, a safety rod for pushing the sealing ball to move towards the direction away from the valve port is arranged on the valve body in a sliding way, when a cabin door of the oxygen cabin is closed in place, the sealing ball can move downwards under the action of the safety rod, an air inlet channel through which oxygen can pass is reserved, the potential safety hazard caused by the fact that the pipeline is opened when the cabin door is not closed tightly and the pressure rises is started is avoided, the service life of equipment is prolonged, and the safety problem caused by personnel mistake is prevented.
Description
Technical Field
The utility model relates to the technical field of oxygen cabin structures, in particular to an oxygen supply safety interlocking device for a medical oxygen cabin.
Background
The medical hyperbaric oxygen chamber can be used for treating and rescuing ischemia and anoxic diseases. The basic principle of treatment is as follows: the patient enters a medical hyperbaric oxygen chamber, and purified compressed air is introduced into the chamber to form a high-pressure environment in the chamber. The patient breathes pure oxygen through the built-in breathing harness in this environment to this blood oxygen content, blood oxygen tension and the blood oxygen diffusivity that improves human tissue, increases the oxygen storage volume of tissue, inhibits the growth of anaerobe, strengthens human immunity, and then reaches the purpose of treatment, body-building.
A medical hyperbaric oxygen chamber comprises a pressure chamber for plateaus. If the number of people entering the cabin is simply classified according to the rated number of people entering the cabin, the classification can be as follows: multi-person compartments and single-person compartments. Wherein, single cabin includes: a medical oxygen pressurizing oxygen cabin, a single-person medical air pressurizing oxygen cabin, an infant oxygen cabin and a soft pressurizing cabin for plateau. The single cabin has the irreplaceable function of a plurality of cabins in the clinical treatment or the pressure increasing, reducing, training and rehabilitation processes, and the application of the single cabin is more and more extensive. For a cabin rated for single person, the cabin door is a very critical component and is the only passage for people to enter and exit the cabin. The device is not only required to bear the same pressure as the cabin body, but also is required to be opened conveniently. In the oxygen supply and pressurization process in the cabin, the cabin door of the cabin is required to be closed in place and is not hidden. For the doors of the cargo delivery cylinder, the clamp type and the hydraulic or pneumatic locking mode, if the virtual covering door, namely the door is not completely closed in place, great potential safety hazards exist particularly. The oxygen supply safety interlocking device of the product well solves the problem.
At present, the safety locking device of the domestic single cabin door is generally adopted, and an interlocking device is additionally arranged between the cabin door and the cabin body. The following problems exist in this secure locking method: potential safety hazards exist, and operators outside the cabin cannot really judge whether the safety interlocking device acts and is in place; the installation position is hidden, operators cannot observe the installation position, some manufacturers install the installation position in a bottom crack in the middle of the pressing rod, and some manufacturers install the installation position in the lower part of the pressing rod; the product is very complex to manufacture and costly.
Disclosure of Invention
Aiming at the defects, the utility model aims to provide an oxygen supply safety interlocking device for a medical oxygen chamber, and aims to solve the problems of potential safety hazards and high cost of the interlocking device in the prior art.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the utility model provides a medical oxygen cabin oxygen suppliment safety interlock includes the valve body, inlet port and the port of giving vent to anger, is equipped with the passageway between inlet port and the port of giving vent to anger, is equipped with the valve mouth on the passageway, is equipped with the ball sealer in the passageway, is equipped with the compression spring that the drive ball sealer sealed the valve mouth in the passageway, and slidable mounting has the safety lever that is used for promoting the ball sealer to remove towards the direction of keeping away from the valve mouth on the valve body.
Preferably, the valve body is provided with a limiting bulge for limiting the safety rod.
Preferably, the air inlet port is connected with a first connector in a threaded manner, and the air outlet port is connected with a second connector in a threaded manner.
Preferably, a first sealing ring matched with the sealing ball is arranged on the valve opening, a second sealing ring is arranged at the joint of the air inlet port and the first joint, and a third sealing ring is arranged on the safety rod.
Preferably, the safety rod is provided with a groove matched with the sealing ball.
Preferably, the material of the sealing ball is nylon.
Preferably, the safety rod is provided with an opening facing the air outlet port.
Preferably, one end of the safety rod, which faces the sealing ball, is provided with a sliding column, and the sealing ball is provided with a sliding hole matched with the sliding column.
After the technical scheme is adopted, the utility model has the beneficial effects that:
because a medical oxygen cabin oxygen suppliment safety interlock includes the valve body, inlet port and the port of giving vent to anger, be equipped with the passageway between inlet port and the port of giving vent to anger, be equipped with the valve mouth on the passageway, be equipped with the ball sealer in the passageway, be equipped with the compression spring that the drive ball sealer sealed the valve mouth in the passageway, slidable mounting has the safety lever that is used for promoting the ball sealer to remove towards the direction of keeping away from the valve mouth on the valve body, oxygen cabin hatch door when target in place, the ball sealer just can downstream under the effect of safety lever, the inlet channel that the available oxygen passes through is reserved, avoided because of the hatch door fails to close just open the pipeline, the potential safety hazard that arouses begins to step up, the life of improve equipment, prevent the safety problem because of personnel's error causes.
Because the valve body is provided with the limiting bulge for limiting the safety rod, the safety rod is prevented from falling off from the valve body under the pushing of the compression spring when the compression spring is reset, the service life of the interlocking mechanism is prolonged, the safety rod is prevented from being repeatedly installed, manpower and material resources are saved, and the cost is saved.
Because the valve opening is provided with the first sealing ring matched with the sealing ball, the sealing performance of the sealing ball is improved, and gas is prevented from overflowing from a gap.
Because the spiro union has first joint on the port of admitting air for first joint is easily changed, good dismantlement, and the spiro union has the second to connect on the port of giving vent to anger for the second connects easily to dismantle, good installation.
Because the second sealing washer is installed with the junction of first joint to the inlet port for first joint is easily dismantled, and good installation improves the leakproofness, avoids gaseous spilling over from the gap, installs the third sealing washer on the safety lever, avoids gaseous flowing out from the safety lever.
Because the safety rod is provided with the groove matched with the sealing ball, the sealing ball is prevented from being damaged due to collision of the safety rod and the sealing ball, the service life of the sealing ball is prolonged, and the cost is saved.
Because the material of ball sealer is nylon, guarantees the leakproofness of ball sealer, prevents gas leakage.
Because the opening which is over against the air outlet port is arranged on the safety rod, the oxygen inlet speed is improved, and the interference of the safety rod to the air inlet channel is reduced.
Because the safety rod is provided with the sliding column towards one end of the sealing ball, and the sealing ball is provided with the sliding hole matched with the sliding column, the sealing ball is prevented from moving left and right in the valve body, and the moving direction of the sealing ball is guided.
In conclusion, the interlocking device solves the technical problems of potential safety hazards and high cost of the interlocking device in the prior art, avoids the potential safety hazards caused by the fact that a pipeline starts to be boosted when a cabin door cannot be closed tightly, prolongs the service life of equipment, prevents the safety problems caused by personnel errors, is easy to disassemble and mount, avoids repeated installation of safety rods, saves manpower and material resources, and saves cost.
Drawings
FIG. 1 is a schematic structural view of an oxygen supply safety interlock device for a medical oxygen chamber according to the present invention when the chamber door is in an open state;
FIG. 2 is a schematic structural view of an oxygen supply safety interlock device for a medical oxygen chamber according to the present invention when the chamber door is in a closed state;
fig. 3 is a schematic structural diagram of a second embodiment of the oxygen supply safety interlock device for a medical oxygen chamber of the utility model.
In the figure, 1-valve body, 10-channel, 11-valve port, 12-second sealing ring, 13-third sealing ring, 14-mounting hole, 2-air inlet port, 20-first joint, 3-air outlet port, 30-second joint, 4-sealing ball, 40-sliding hole, 5-safety rod, 50-opening, 51-groove, 52-sliding column, 6-compression spring, 7-limiting protrusion and 8-first sealing ring.
Detailed Description
The utility model is further elucidated with reference to the drawing.
All the directions referred to in the specification are based on the directions of the oxygen supply safety interlocking device of the medical oxygen chamber in normal operation, the directions of the oxygen supply safety interlocking device in storage and transportation are not limited, and only represent relative position relations, but not absolute position relations.
The first embodiment is as follows:
as shown in fig. 1 and fig. 2, a medical oxygen cabin oxygen supply safety interlock device comprises a valve body 1, an air inlet port 2 and an air outlet port 3, the valve body 1 is installed on a cabin body through an installation hole 14, a sealing ball 4 is arranged in the valve body 1, a channel 10 is arranged between the air inlet port 2 and the air outlet port 3, a valve opening 11 is arranged on the channel 10, the sealing ball 4 is arranged in the channel 10, a compression spring 6 for driving the sealing ball 4 to seal the valve opening 11 is arranged in the channel 10, a safety rod 5 for pushing the sealing ball 4 to move towards the direction far away from the valve opening 11 is slidably installed on the valve body 1, when the cabin door is not closed in place, the sealing ball 4 moves upwards under the action of the compression spring 6 to shield the valve opening, oxygen cannot pass through the valve opening 11, after the cabin door is closed in place, the safety rod 5 is extruded by the cabin door and moves downwards to drive the sealing ball 4 below the cabin door to move downwards, and the sealing ball 4 gradually moves away from the valve opening 11, gas passes from the valve doorway 11 through the outlet port 3 into the cabin.
As shown in fig. 1 and fig. 2 together, as a further improvement of the present invention, a limiting protrusion 7 for limiting the safety rod 5 is provided on the valve body 1, and when the safety rod 5 moves upward under the action of the compression spring 6, the limiting protrusion 7 limits the upward stroke of the safety rod 5, so as to prevent the safety rod 5 from falling off from the valve body 1.
As shown in fig. 1 and fig. 2, as a further improvement of the present invention, a first connector 20 is screwed to the inlet port 2, and a second connector 30 is screwed to the outlet port 3.
As shown in fig. 1 and fig. 2 together, as a further improvement of the present invention, a first annular groove is formed on the valve port 11, a first sealing ring 8 matched with the sealing ball 4 is installed in the first annular groove to shield the valve port 11, so as to prevent gas from overflowing from the valve port 11 when the cabin door is not closed in place, a second annular groove is formed at the bottom of the air inlet port 2, a second sealing ring 12 is installed in the second annular groove, a limiting step matched with the limiting protrusion 7 is arranged on the safety rod 5, a third annular groove is formed on the limiting step, and a third sealing ring 13 is installed in the third annular groove.
Example two:
the difference between the present embodiment and the first embodiment is: as shown in fig. 3, as a further improvement of the present invention, the material of the sealing ball 4 is nylon, so as to ensure the sealing performance of the sealing ball 4 and prevent gas leakage.
As a further development of the utility model, the safety bar 5 is provided with a groove 51 adapted to the sealing ball 4, as shown in fig. 3.
As shown in fig. 3, the safety rod 5 is provided with an opening 50 facing the air outlet port, after the cabin door is closed, the opening 50 faces the air outlet port 3, oxygen can enter the air outlet port 3 from the opening 50, and interference of the safety rod 5 on the channel 10 is reduced.
As shown in fig. 3, as a further improvement of the present invention, a sliding column 50 is disposed at one end of the safety rod 5 facing the sealing ball 4, a sliding hole 40 matched with the sliding column 50 is disposed on the sealing ball 4, the safety rod 5 is inserted into the sealing ball 4, so as to prevent the sealing ball 4 from moving left and right in the valve body 1 and guide the moving direction of the sealing ball 4.
The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.
Claims (8)
1. An oxygen supply safety interlocking device of a medical oxygen chamber comprises a valve body, an air inlet port and an air outlet port,
the safety valve is characterized in that a channel is arranged between the air inlet port and the air outlet port, a valve opening is formed in the channel, a sealing ball is arranged in the channel, a compression spring for driving the sealing ball to seal the valve opening is arranged in the channel, and a safety rod for pushing the sealing ball to move towards the direction far away from the valve opening is slidably mounted on the valve body.
2. The oxygen supply safety interlock device for medical oxygen chamber as claimed in claim 1, wherein the valve body is provided with a limit protrusion for limiting the safety rod.
3. The oxygen supply safety interlock device for medical oxygen chamber as claimed in claim 1, wherein the inlet port is screwed with a first connector, and the outlet port is screwed with a second connector.
4. The oxygen supply safety interlock device for medical oxygen chamber as claimed in claim 3, wherein a first sealing ring is disposed on the valve opening and is matched with the sealing ball, a second sealing ring is disposed at the joint of the air inlet port and the first joint, and a third sealing ring is disposed on the safety rod.
5. The oxygen supply safety interlock device for medical oxygen chamber as claimed in claim 1, wherein said safety rod is provided with a groove adapted to fit said sealing ball.
6. The oxygen supply safety interlock device for medical oxygen chamber as claimed in claim 1, wherein the material of said sealing ball is nylon.
7. The oxygen supply safety interlock device for medical oxygen chamber as claimed in claim 1, wherein the safety rod is provided with an opening facing the outlet port.
8. The oxygen supply safety interlock device for medical oxygen chamber as claimed in claim 1, wherein a sliding column is provided at one end of the safety rod facing the sealing ball, and a sliding hole matched with the sliding column is provided on the sealing ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121277178.2U CN215567980U (en) | 2021-06-09 | 2021-06-09 | Oxygen supply safety interlocking device for medical oxygen cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121277178.2U CN215567980U (en) | 2021-06-09 | 2021-06-09 | Oxygen supply safety interlocking device for medical oxygen cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215567980U true CN215567980U (en) | 2022-01-18 |
Family
ID=79867064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121277178.2U Active CN215567980U (en) | 2021-06-09 | 2021-06-09 | Oxygen supply safety interlocking device for medical oxygen cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215567980U (en) |
-
2021
- 2021-06-09 CN CN202121277178.2U patent/CN215567980U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215567980U (en) | Oxygen supply safety interlocking device for medical oxygen cabin | |
| CN102039993B (en) | Injection device for life-saving air bag | |
| CN113340787A (en) | Breathing mask performance testing device | |
| CN113775802A (en) | Straight-pull type pipeline gas self-closing valve | |
| CN205655963U (en) | Automobile -used cylinder shroud assembly test equipment | |
| CN113446800A (en) | Fresh-keeping device and refrigerator | |
| CN208619785U (en) | A kind of breathing combination valve | |
| CN106239432A (en) | Breathing relief valve automatic classifying assembling device | |
| CN217091709U (en) | Mechanical control manual conversion sealing device | |
| CN209264279U (en) | A kind of inlet valve testing stand | |
| CN208331355U (en) | A kind of bottled gas safety pressure regulator | |
| CN201932350U (en) | Ejection device for lifesaving gasbag | |
| CN105954068A (en) | Nitrogen bottle sampling device | |
| CN210372158U (en) | Pneumatic overload stop valve | |
| CN107132105A (en) | A kind of standard gas preparation device | |
| CN109139943A (en) | A kind of band displacement micromatic setting regulating valve | |
| CN202757841U (en) | Lamp bulb compression resistance testing tool | |
| CN201071950Y (en) | Gas multi-direction flow control valve | |
| CN207351619U (en) | A kind of air-tight pneumatic sole mechanism | |
| CN219389394U (en) | Quick-pulling gas cylinder valve for escape air respirator | |
| CN207527283U (en) | Oxygen-enriched air acquires filling all-in-one machine | |
| CN205479567U (en) | Gaseous relief pressure valve with trouble is from closing function | |
| CN100528265C (en) | Silencing and ventilation apparatus for sealed ship's space | |
| CN107007915A (en) | A kind of bigger bag respirator of portable air inflow | |
| CN221145418U (en) | Pressure relief valve for compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |