CN210831415U - Gas tank capable of exhausting gas completely - Google Patents
Gas tank capable of exhausting gas completely Download PDFInfo
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- CN210831415U CN210831415U CN201921593745.8U CN201921593745U CN210831415U CN 210831415 U CN210831415 U CN 210831415U CN 201921593745 U CN201921593745 U CN 201921593745U CN 210831415 U CN210831415 U CN 210831415U
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- tank body
- gas
- oxygen
- gas tank
- vacuum pump
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Abstract
The utility model relates to a gas tank capable of exhausting gas completely, which comprises a gas tank body, a pressure sensor and a micro vacuum pump which are sequentially connected at an oxygen outlet of the gas tank body along an oxygen supply and gas outlet direction, and a sealing structure arranged in the gas tank body, wherein the sealing structure divides the interior of the gas tank body into an upper cavity and a lower cavity; the pressure sensor is used for detecting the air pressure of the air tank body, and the micro vacuum pump starts to pump out oxygen in the air tank body after receiving an air pressure signal fed back by the pressure sensor and drives the sealing structure to move from bottom to top. The utility model discloses utilize pressure sensor transmission baroceptor signal to give micro vacuum pump, recycle the cooperation of micro vacuum pump and closing plate, realize the oxygen complete exhaust in the gas cylinder.
Description
Technical Field
The utility model relates to an oxygen supply device, in particular to a gas tank capable of exhausting gas.
Background
The oxygen supply device is used for supplying oxygen and is suitable for working scenes with various oxygen deficiencies, for example, engineering operators need to supply oxygen in a tunnel, construction personnel in plateau areas need to supply oxygen, and oxygen also needs to be supplied during industrial construction working conditions such as welding, and the workers can carry the portable oxygen supply device to supply oxygen under general conditions.
The portable oxygen supply device in the prior art comprises an oxygen bag, and has the defects of small capacity and short service life, the output pressure is gradually weakened along with the reduction of the oxygen amount so as not to meet the requirement of oxygen supply, and the aim of completely discharging the oxygen by applying external force by manpower is fulfilled; another portable oxygen supply device is a small-sized push-type switch oxygen tank, which has the defect that when the pressure in the tank is reduced to a certain value, part of oxygen still remains in the tank and cannot be used, so that the waste of oxygen is caused. Therefore, it is urgently needed to design a gas tank which has a simple structure, can completely exhaust gas and can improve the gas utilization rate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a gas tank capable of supplying oxygen according to the working state of personnel.
The technical scheme of the utility model is that:
a gas tank capable of exhausting gas completely comprises a gas tank body, a pressure sensor, a micro vacuum pump and a sealing structure, wherein the pressure sensor and the micro vacuum pump are sequentially connected at an oxygen outlet of the gas tank body along an oxygen supply and gas outlet direction, the sealing structure is arranged in the gas tank body, and the sealing structure divides the interior of the gas tank body into an upper cavity and a lower cavity;
the pressure sensor is used for detecting the air pressure of the air tank body, and the micro vacuum pump starts to pump out oxygen in the air tank body after receiving an air pressure signal fed back by the pressure sensor and drives the sealing structure to move from bottom to top.
Further, the air pressure signal is that the air pressure in the air tank body is almost the same as the external pressure.
Further, seal structure includes sealing strip and closing plate, the sealing strip is elastic material and closely laminates the inner wall setting of gas pitcher body, the outside of closing plate closely laminates the sealing strip.
Further, the sealing strip and the sealing plate are located at the bottom of the gas tank body in a state that the gas tank is filled with oxygen, and the micro vacuum pump drives the sealing strip and the sealing plate to move towards the oxygen outlet of the gas tank body from bottom to top after starting.
The oxygen tank further comprises a quick connector connected with the micro vacuum pump, and the quick connector is used for being connected with an oxygen delivery device or an oxygen inhalation device of a user of the gas tank during oxygen filling.
Further, the volume of the gas tank body is 2L-10L.
Further, the gas cylinder body may be cylindrical or square.
The utility model discloses following beneficial effect has: the oxygen tank of the utility model has simple structure and is easy to realize; utilize pressure sensor transmission atmospheric pressure signal to give micro vacuum pump, utilize the cooperation of micro vacuum pump and closing plate, with the oxygen complete exhaust in the gas jar, improve gaseous utilization ratio, realize that oxygen is high-efficient, practice thrift and use.
Drawings
Fig. 1 is a schematic structural diagram of a gas tank capable of exhausting gas;
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the gas tank capable of exhausting gas according to the present invention comprises a gas tank body 1, a pressure sensor 4 and a micro vacuum pump 5 connected in sequence at an oxygen outlet of the gas tank body 1 along an oxygen supply and gas outlet direction, and a sealing structure arranged in the gas tank body 1;
the pressure sensor 4 is used for detecting the air pressure of the air tank body 1, and the micro vacuum pump 5 starts to pump out oxygen in the air tank body 1 after receiving an air pressure signal fed back by the pressure sensor 4 and drives the sealing structure to move from bottom to top.
Preferably, the sealing structure comprises a sealing strip 2 and a sealing plate 3, wherein the sealing strip 2 is made of elastic material and has a V-shaped groove structure, the sealing strip is tightly attached to the inner wall of the gas tank body 1, and the outer side of the sealing plate 3 is tightly attached to the sealing strip 2.
When the gas tank is in a state of being filled with oxygen, the sealing strip 2 and the sealing plate 3 are located at the bottom of the gas tank body 1. The air pressure of the air tank body 1 is detected by the pressure sensor 4 after the oxygen of the air tank is used, when the air pressure of the air tank body 1 is almost the same as the external pressure, the residual oxygen in the air tank cannot be discharged, at the moment, the air pressure signal which is almost the same as the internal air pressure and the external pressure of the air tank body 1 is transmitted to the micro vacuum pump 5 by the pressure sensor 4, the micro vacuum pump 5 starts the operation of pumping out the oxygen (gas is extracted from the tank for use by a user) to drive the sealing strip 2 and the sealing plate 3 to move towards the oxygen outlet of the air tank body 1 from bottom to top, and therefore the residual oxygen in the air tank body 1 can be discharged out of the air tank.
More than, through pressure sensor 4 transmits the atmospheric pressure signal, rethread micro vacuum pump 5 and closing plate 3, the cooperation of sealing strip 2, realized will oxygen in the gas cylinder is completely discharged.
Preferably, the gas tank further comprises a quick coupling 6 connected with the micro vacuum pump 5, wherein the quick coupling 6 is used for connecting with an oxygen delivery device or an oxygen inhalation device of a user of the gas tank during oxygen filling.
Further, the gas cylinder body 1 is preferably cylindrical or square, and the shapes of the seal plate and the seal strip are adapted to the shape of the gas cylinder body 1. The volume of the gas tank body 1 is preferably 2L-10L to meet the oxygen absorption amount of users under different conditions.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (7)
1. A gas tank capable of exhausting gas completely comprises a gas tank body, and is characterized by further comprising a pressure sensor and a micro vacuum pump which are sequentially connected with an oxygen outlet of the gas tank body along an oxygen supply and gas outlet direction, and a sealing structure arranged in the gas tank body, wherein the sealing structure divides the interior of the gas tank body into an upper cavity and a lower cavity;
the pressure sensor is used for detecting the air pressure of the air tank body, and the micro vacuum pump starts to pump out oxygen in the air tank body after receiving an air pressure signal fed back by the pressure sensor and drives the sealing structure to move from bottom to top.
2. A gas cylinder according to claim 1, wherein: the air pressure signal is that the air pressure in the air tank body is almost the same as the external pressure.
3. A gas cylinder according to claim 1, wherein: the sealing structure comprises a sealing strip and a sealing plate, the sealing strip is made of elastic materials and is tightly attached to the inner wall of the air tank body, and the outer side of the sealing plate is tightly attached to the sealing strip.
4. A gas cylinder according to claim 3, wherein: the sealing strip and the sealing plate are located at the bottom of the gas tank body in a state that the gas tank is filled with oxygen, and the micro vacuum pump drives the sealing strip and the sealing plate to move towards the oxygen outlet of the gas tank body from bottom to top after starting.
5. A gas cylinder according to claim 1, wherein: the oxygen tank is characterized by further comprising a quick connector connected with the micro vacuum pump, wherein the quick connector is used for being connected with an oxygen conveying device or an oxygen inhalation device of a user of the gas tank during oxygen filling.
6. A gas cylinder according to any one of claims 1 to 5, wherein: the volume of the gas tank body is 2L-10L.
7. A gas cylinder according to claim 6, wherein: the gas tank body is cylindrical or square.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920359454 | 2019-03-21 | ||
| CN2019203594546 | 2019-03-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210831415U true CN210831415U (en) | 2020-06-23 |
Family
ID=71252021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921593745.8U Active CN210831415U (en) | 2019-03-21 | 2019-09-24 | Gas tank capable of exhausting gas completely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210831415U (en) |
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2019
- 2019-09-24 CN CN201921593745.8U patent/CN210831415U/en active Active
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