CN218936012U - Liquid oxygen supply device with filling interface at bottom - Google Patents

Liquid oxygen supply device with filling interface at bottom Download PDF

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Publication number
CN218936012U
CN218936012U CN202222549123.3U CN202222549123U CN218936012U CN 218936012 U CN218936012 U CN 218936012U CN 202222549123 U CN202222549123 U CN 202222549123U CN 218936012 U CN218936012 U CN 218936012U
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China
Prior art keywords
filling
interface
liquid oxygen
oxygen supply
filling interface
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CN202222549123.3U
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Chinese (zh)
Inventor
白明军
郑翠翠
占兴中
汪军
许安耀
甘胜红
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Hubei Guizu Vacuum Science & Technology Co ltd
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Hubei Guizu Vacuum Science & Technology Co ltd
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Priority to CN202222549123.3U priority Critical patent/CN218936012U/en
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Abstract

The utility model relates to the technical field of liquid oxygen supply devices and discloses a liquid oxygen supply device with a filling interface at the bottom, which comprises a tank body, wherein the bottom of the tank body is provided with the filling interface, the filling interface is connected with a filling air pipe, the other end of the filling air pipe extends into the tank body, the upper part of the tank body is provided with an emptying valve, the emptying valve is communicated with the inside of the tank body, and the filling interface is matched with a detachable filling joint and a sealing plug. The liquid oxygen supply device with the filling interface at the bottom has the advantages of small volume, light weight and convenient use.

Description

Liquid oxygen supply device with filling interface at bottom
Technical Field
The utility model relates to the technical field of liquid oxygen supply devices, in particular to a liquid oxygen supply device with a filling interface at the bottom.
Background
As altitude increases on the plateau, the oxygen content of the air also decreases. For example, the average altitude of Qinghai-Tibet plateau is more than 4000 m, the air is thin, the air pressure is low, and the normal oxygen supply requirement of a human body can not be met, so that the oxygen deficiency causes the organism to have multiple functions and even endangers the life.
Particularly, when the field operation is performed, the consumption of oxygen is more along with the increase of the physical strength, the altitude anoxia reaction is more aggravated, the physical strength is obviously reduced, and the breathing is difficult. The altitude disease and other diseases cause different degrees of injury to human bodies, and even death can be caused when the human bodies are severely anoxic.
The main oxygen supply device in the market at present adopts a gaseous oxygen bag to supply oxygen or adopts air concentration to supply oxygen. The two modes have the defects of larger occupied space, smaller oxygen capacity, additional power supply and inconvenience for carrying about in the field for a long time. The liquid oxygen supply device can meet the requirements of portability and large capacity.
Before the liquid oxygen supply device is used, the liquid oxygen must be fully filled, and in the process, the tank body filling structure plays a critical service guarantee role, and meanwhile, the filling structure does not play a role during oxygen supply, and can bring extra burden to a user.
Disclosure of Invention
The utility model aims at overcoming the defects of the technology, and provides the liquid oxygen supply device with the filling interface at the bottom, which has the advantages of small volume, light weight and convenient use.
In order to achieve the above purpose, the liquid oxygen supply device with the filling interface at the bottom comprises a tank body, wherein the filling interface is arranged at the bottom of the tank body, the filling interface is connected with a filling air pipe, the other end of the filling air pipe stretches into the tank body, an exhaust valve is arranged at the upper part of the tank body and is communicated with the inside of the tank body, and the filling interface is matched with a detachable filling joint and a sealing plug.
Preferably, the filling interface is provided with an internal thread matching an external thread on the external filling interface.
Preferably, the opening direction of the filling interface is downward, a downward positioning pin is arranged in the filling interface, a positioning groove matched with the positioning pin is arranged on the filling connector, a first groove matched with the positioning pin is arranged on the sealing plug, and the filling connector is fixedly arranged on the filling container.
Preferably, the inner diameter of the opening end of the filling port is smaller than the inner diameter of the top, a first sealing ring is arranged in the opening end of the filling port, and the inner diameter of the first sealing ring is the same as the inner diameter of the top of the filling port.
Preferably, a step is arranged on the outward inner wall of the first sealing ring, and the filling joint and the sealing plug are matched with the step.
Preferably, a second groove is formed in the position, extending into the filling interface, of the sealing plug, and a second sealing ring is sleeved on the second groove.
Preferably, a third groove is formed in the position, matched with the step, of the sealing plug, and a third sealing ring is sleeved on the third groove.
Preferably, the opening direction of filling joint is down, and the inside accommodation space that forms the inverted T type, filling joint be with accommodation space complex inverted T type, the top of accommodation space is equipped with down the screw thread post, the screw thread post is equipped with the external screw thread, the top of filling joint's vertical part inwards open have with screw thread post complex mounting groove, install preferably, filling joint's horizontal part upper surface open has annular fourth recess, be equipped with the fourth sealing washer in the fourth recess, filling joint's horizontal part outer wall is opened there is the fifth recess, be equipped with the fifth sealing washer in the fifth recess, accommodation space with filling joint is equipped with the sealing washer on the inner wall of contact of horizontal part, the below of sealing washer is equipped with the screw thread that supports the sealing washer, the internal diameter of screw thread clamping ring is less than the internal diameter of sealing washer, the below of screw thread clamping ring is equipped with the jump ring that supports the screw thread, filling joint's lower edge of rolling up is rolled up.
Preferably, a sixth groove is formed in one side, facing the inner wall of the accommodating space, of the sealing gasket, and a sixth sealing ring is arranged in the sixth groove.
Compared with the prior art, the utility model has the following advantages:
1. the bottom is provided with the filling interface, and the filling interface is connected with the filling connector, so that equipment on the tank body is reduced as much as possible, the volume is small, the weight is light, and the use is convenient;
2. only one filling interface is arranged, so that liquid oxygen leakage points are reduced, and the service time of the tank body is effectively prolonged;
3. through setting up sealed end cap and sealing washer, the sealed effect is better.
Drawings
FIG. 1 is a schematic diagram of a liquid oxygen supply device with a filling port at the bottom;
FIG. 2 is a schematic structural view of a sealing plug according to the present utility model;
FIG. 3 is a schematic view of the structure of example 3 when filled with liquid oxygen;
fig. 4 is a schematic structural diagram of the sealing plug inserted after the liquid oxygen filling in embodiment 3;
fig. 5 is a connection structure of the filling port and the filling joint.
The reference numerals of the components in the drawings are as follows:
the tank body 1, the filling port 2, the filling air pipe 3, the sealing plug 4, the first sealing ring 5, the emptying valve 6, the filling joint 7, the positioning pin 8, the positioning groove 9, the step 10, the second groove 11, the second sealing ring 12, the third groove 13, the third sealing ring 14, the first groove 15, the accommodating space 16, the threaded column 17, the mounting groove 18, the fourth groove 19, the fourth sealing ring 20, the fifth groove 21, the fifth sealing ring 22, the sealing gasket 23, the threaded compression ring 24, the clamping spring 25, the sixth groove 26 and the sixth sealing ring 27.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and to specific examples.
Example 1
As shown in fig. 1 and 2, a liquid oxygen supply device with a filling interface at the bottom comprises a tank body 1, wherein the bottom of the tank body 1 is provided with a filling interface 2, the filling interface 2 is connected with a filling air pipe 3, the other end of the filling air pipe 3 stretches into the tank body 1, an evacuation valve 6 is arranged at the upper part of the tank body 1, the evacuation valve 6 is communicated with the inside of the tank body 1, and the filling interface 2 is matched with a detachable filling joint 7 and a sealing plug 4.
In the initial state of the implementation, the sealing plug 4 is installed at the filling interface 2, during filling, the sealing plug 4 is removed, the filling interface 2 and the filling connector 7 are fixedly connected, the filling connector 7 is connected with a filling container, then the emptying valve 6 is opened, and meanwhile, the switch of the filling container connected with the filling connector 7 is opened, and liquid oxygen is filled into the tank body 1, so that the purpose of filling the liquid oxygen supply device is achieved, after filling is completed, the filling connector 7 can be detached, and the sealing plug 4 is inserted into the filling interface 2.
Example 2
The utility model provides a liquid oxygen supply device that bottom was equipped with filling interface, includes a jar body 1, and the bottom of jar body 1 is equipped with filling interface 2, and filling interface 2 even has filling trachea 3, and filling trachea 3's the other end stretches into the inside of jar body 1, and jar body 1's upper portion is equipped with the evacuation valve 6, and evacuation valve 6 communicates with jar body 1 is inside, and filling interface 2 cooperation has detachable filling joint 7 and sealing plug 4.
Wherein the filling interface 2 is provided with an internal thread matching an external thread on the external filling joint 7.
In the initial state of the implementation, the sealing plug 4 is installed at the filling interface 2, during filling, the sealing plug 4 is removed, the filling interface 2 and the filling connector 7 are fixedly connected, the filling connector 7 is connected with a filling container, then the emptying valve 6 is opened, and meanwhile, the switch of the filling container connected with the filling connector 7 is opened, and liquid oxygen is filled into the tank body 1, so that the purpose of filling the liquid oxygen supply device is achieved, after filling is completed, the filling connector 7 can be detached, and the sealing plug 4 is inserted into the filling interface 2.
Example 3
As shown in fig. 3 and fig. 4, a liquid oxygen supply device with a filling interface at the bottom comprises a tank body 1, wherein the bottom of the tank body 1 is provided with a filling interface 2, the filling interface 2 is connected with a filling air pipe 3, the other end of the filling air pipe 3 stretches into the tank body 1, an evacuation valve 6 is arranged at the upper part of the tank body 1 and is communicated with the tank body 1, and the filling interface 2 is matched with a detachable filling joint 7 and a sealing plug 4.
Wherein, the opening direction of filling interface 2 is down, is equipped with locating pin 8 down in filling interface 2, is equipped with on filling joint 7 with locating pin 8 complex positioning groove 9, be equipped with on the sealed end cap 4 with locating pin 8 complex first recess 15, filling joint 7 fixed mounting is on filling the container.
In addition, the internal diameter of filling interface 2 open end is less than the internal diameter at top, is equipped with first sealing washer 5 in filling interface 2 open end, and the internal diameter at first sealing washer 5 is the same with the internal diameter at filling interface 2 top, is equipped with step 10 on the outer inner wall of first sealing washer 5, fills and connect 7 and seal plug 4 and all cooperate with step 10.
In the initial state of the implementation, the sealing plug 4 is installed at the filling interface 2, during filling, the sealing plug 4 is removed, the liquid oxygen supply device is directly placed on the filling container through the matching of the filling interface 2 and the filling connector 7, at the moment, the filling interface 2 and the filling connector 7 are fixedly connected through the matching of the positioning pin 8 and the positioning groove 9, the sealing is carried out through the first sealing ring 5, then the emptying valve 6 is opened, the switch of the filling container connected with the filling connector 7 is opened at the same time, the liquid oxygen is filled into the inner tank 4 along with the switch, so that the purpose of filling the liquid oxygen supply device is achieved, after filling is completed, the liquid oxygen supply device can be directly removed from the filling container, the filling interface 2 is separated from the filling connector 7, and then the sealing plug 4 is inserted into the filling interface 2.
Example 4
The utility model provides a liquid oxygen supply device that bottom was equipped with filling interface, includes a jar body 1, and the bottom of jar body 1 is equipped with filling interface 2, and filling interface 2 even has filling trachea 3, and filling trachea 3's the other end stretches into the inside of jar body 1, and jar body 1's upper portion is equipped with the evacuation valve 6, and evacuation valve 6 communicates with jar body 1 is inside, and filling interface 2 cooperation has detachable filling joint 7 and sealing plug 4.
In addition, the internal diameter of filling interface 2 open end is less than the internal diameter at top, is equipped with first sealing washer 5 in filling interface 2 open end, and the internal diameter at first sealing washer 5 is the same with the internal diameter at filling interface 2 top, is equipped with step 10 on the outer inner wall of first sealing washer 5, fills and connect 7 and seal plug 4 and all cooperate with step 10.
Meanwhile, as shown in fig. 2, a second groove 11 is formed in the position, where the sealing plug 4 extends into the filling port 2, a second sealing ring 12 is sleeved on the second groove 11, a third groove 13 is formed in the position, where the sealing plug 4 is matched with the step 10, of the sealing plug, and a third sealing ring 14 is sleeved on the third groove 13.
In the initial state of the implementation, the sealing plug 4 is installed at the filling interface 2, during filling, the sealing plug 4 is removed, the filling interface 2 and the filling connector 7 are fixedly connected, the filling connector 7 is connected with a filling container, then the emptying valve 6 is opened, and meanwhile, the switch of the filling container connected with the filling connector 7 is opened, and liquid oxygen is filled into the tank body 1, so that the purpose of filling the liquid oxygen supply device is achieved, after filling is completed, the filling connector 7 can be detached, the sealing plug 4 is inserted into the filling interface 2, and the sealing is carried out through the first sealing ring 5, the second sealing ring 12 and the third sealing ring 14, so that liquid leakage is prevented.
In addition, as shown in fig. 5, the utility model also discloses a structure of the filling interface 2 and the filling joint 7, wherein the opening direction of the filling interface 2 is downward, an inverted T-shaped accommodating space 16 is formed inside, the filling joint 7 is of an inverted T shape matched with the accommodating space 16, a downward threaded column 17 is arranged at the top of the accommodating space 16, an external thread is arranged on the threaded column 17, a mounting groove 18 matched with the threaded column 17 is formed inward at the top of the vertical part of the filling joint 7, and an internal thread matched with the external thread of the threaded column 17 is arranged in the mounting groove 18.
The upper surface of the transverse part of the filling joint 7 is provided with a fourth annular groove 19, a fourth sealing ring 20 is arranged in the fourth groove 19, the outer wall of the transverse part of the filling joint 7 is provided with a fifth groove 21, a fifth sealing ring 22 is arranged in the fifth groove 21, a sealing gasket 23 is arranged on the inner wall of the accommodating space 16, which is in contact with the transverse part of the filling joint 7, a threaded pressing ring 24 for supporting the sealing gasket 23 is arranged below the sealing gasket 23, the inner diameter of the threaded pressing ring 24 is smaller than the inner diameter of the sealing gasket 23, a clamping spring 25 for supporting the threaded pressing ring 24 is arranged below the threaded pressing ring 24, and the lower edge of the filling joint 2 is internally rolled and pressed against the clamping spring 25.
A sixth groove 26 is formed in one side, facing the inner wall of the accommodating space 16, of the sealing gasket 23, and a sixth sealing ring 27 is arranged in the sixth groove 26.
When in use, the filling joint 7 is arranged in the filling joint 2 through the matching of the mounting groove 18 and the threaded column 17, at the moment, the fourth groove 19 is propped between the upper surface of the transverse part of the filling joint 7 and the inner wall of the filling joint 2, and the fifth sealing ring 22 is propped against the sealing gasket 23 to play a sealing role.
The liquid oxygen supply device with the filling interface at the bottom is provided with the filling interface 2 at the bottom, and is connected with the filling connector 7 through the filling interface 2, so that equipment on the tank body 1 is reduced as much as possible, and the device is small in size, light in weight and convenient to use; only one filling interface 2 is arranged, so that liquid oxygen leakage points are reduced, and the service time of the tank body 1 is effectively prolonged; in addition, through setting up sealed end cap 4 and sealing washer, the sealed effect is better.

Claims (10)

1. The utility model provides a liquid oxygen supply device that bottom was equipped with filling interface, includes a jar body (1), its characterized in that: the bottom of the tank body (1) is provided with a filling interface (2), the filling interface (2) is connected with a filling air pipe (3), the other end of the filling air pipe (3) stretches into the tank body (1), the upper portion of the tank body (1) is provided with an emptying valve (6), the emptying valve (6) is communicated with the tank body (1), and the filling interface (2) is matched with a detachable filling joint (7) and a sealing plug (4).
2. The liquid oxygen supply device with the filling interface at the bottom according to claim 1, wherein: the filling interface (2) is provided with internal threads which are matched with external threads on the external filling joint (7).
3. The liquid oxygen supply device with the filling interface at the bottom according to claim 1, wherein: the opening direction of filling interface (2) is downward, be equipped with locating pin (8) down in filling interface (2), fill be equipped with on filling joint (7) with locating pin (8) complex constant head tank (9), be equipped with on sealing plug (4) with locating pin (8) complex first recess (15), fill filling joint (7) fixed mounting on filling container.
4. The liquid oxygen supply device with the filling interface at the bottom according to claim 1, wherein: the inner diameter of the opening end of the filling interface (2) is smaller than that of the top, a first sealing ring (5) is arranged in the opening end of the filling interface (2), and the inner diameter of the first sealing ring (5) is the same as that of the top of the filling interface (2).
5. The liquid oxygen supply device with the filling interface at the bottom according to claim 4, wherein: the inner wall of the first sealing ring (5) facing outwards is provided with a step (10), and the filling joint (7) and the sealing plug (4) are matched with the step (10).
6. The liquid oxygen supply device with the filling interface at the bottom according to claim 4, wherein: the sealing plug (4) stretches into the filling interface (2), a second groove (11) is formed in the position, and a second sealing ring (12) is sleeved on the second groove (11).
7. The liquid oxygen supply device with the filling interface at the bottom according to claim 5, wherein: the sealing plug (4) is provided with a third groove (13) at the position matched with the step (10), and a third sealing ring (14) is sleeved on the third groove (13).
8. The liquid oxygen supply device with the filling interface at the bottom according to claim 1, wherein: the opening direction of filling interface (2) is down, and inside formation falls accommodation space (16) of T type, fill filling joint (7) for with accommodation space (16) complex falls T type, the top of accommodation space (16) is equipped with screw thread post (17) down, screw thread post (17) are equipped with the external screw thread, fill the top of the vertical part of filling joint (7) inwards open have with screw thread post (17) complex mounting groove (18), be equipped with in mounting groove (18) with screw thread post (17) external screw thread complex internal screw thread.
9. The liquid oxygen supply apparatus with a filling port at the bottom according to claim 8, wherein: the utility model discloses a filling joint, including filling joint (7), screw thread clamping ring (24) and jump ring (25), filling joint (7) lateral part upper surface is opened there is annular fourth recess (19), be equipped with fourth sealing washer (20) in fourth recess (19), it has fifth recess (21) to open on the lateral part outer wall of filling joint (7), be equipped with fifth sealing washer (22) in fifth recess (21), accommodation space (16) with be equipped with on the inner wall of filling joint (7) lateral part contact, the below of sealing washer (23) is equipped with and supports screw thread clamping ring (24) of sealing washer (23), the internal diameter of screw thread clamping ring (24) is less than the internal diameter of sealing washer (23), the below of screw thread clamping ring (24) is equipped with and supports jump ring (25) of screw thread clamping ring (24), the lower border of filling joint (2) is rolled up and is pressed.
10. The liquid oxygen supply apparatus with a filling port at the bottom according to claim 9, wherein: a sixth groove (26) is formed in one side, facing the inner wall of the accommodating space (16), of the sealing gasket (23), and a sixth sealing ring (27) is arranged in the sixth groove (26).
CN202222549123.3U 2022-09-22 2022-09-22 Liquid oxygen supply device with filling interface at bottom Active CN218936012U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222549123.3U CN218936012U (en) 2022-09-22 2022-09-22 Liquid oxygen supply device with filling interface at bottom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222549123.3U CN218936012U (en) 2022-09-22 2022-09-22 Liquid oxygen supply device with filling interface at bottom

Publications (1)

Publication Number Publication Date
CN218936012U true CN218936012U (en) 2023-04-28

Family

ID=86065273

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222549123.3U Active CN218936012U (en) 2022-09-22 2022-09-22 Liquid oxygen supply device with filling interface at bottom

Country Status (1)

Country Link
CN (1) CN218936012U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Liquid oxygen supply with filling interface at the bottom

Granted publication date: 20230428

Pledgee: Bank of China Limited Huanggang branch

Pledgor: HUBEI GUIZU VACUUM SCIENCE & TECHNOLOGY CO.,LTD.

Registration number: Y2024980006732