Portable plateau oxygen supply device

Abstract

The utility model relates to the technical field of oxygen supply devices, and discloses a portable plateau oxygen supply device which comprises a tank body, threads are arranged on the inner side and the outer side of a tank opening of the tank body, a valve body is installed on the tank opening, a plurality of annular grooves are formed in the outer side face, in the tank opening, of the valve body, and the cross section of each annular groove is triangular. The edge of the side, facing the tank body, of the triangle is parallel to the tank opening, the outer side of the valve body is sleeved with a sealing ring, the sealing ring is attached to the annular groove, the inner side of the tank opening is in threaded connection with a first gland, the inner side of the first gland is extruded with the sealing ring, and the outer side of the tank opening is in threaded connection with a second gland. The device solves the problem that the sealing effect of the tank opening is not good, the sealing performance is improved through the sealing ring, meanwhile, the movable groove is arranged to prevent accidental opening, and oxygen leakage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of oxygen supply devices, and more specifically, to a portable plateau oxygen supply device. Background Art

[0002] The thin air on the plateau makes it difficult to meet the body's normal oxygen supply needs, so oxygen supply devices are usually used to alleviate this. The internal pressure of commonly used portable oxygen supply devices is between 12 and 15 MPa. Due to the extremely high pressure, the negative pressure and sealing performance of the tank are both very high.

[0003] Chinese utility model patent application number 202322017447.7 discloses a portable oxygen supply device, which sets a double-threaded and double-sealing ring connection between the valve and the bottle mouth to facilitate sealing and subsequent oxygenation. However, the internal pressure of the oxygen tank is relatively high, and the sealing effect of the sealing ring is limited. It is still prone to leakage during long-term storage. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a portable plateau oxygen supply device that is not prone to leakage.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A portable plateau oxygen supply device includes a tank body, wherein the inside and outside of the tank mouth of the tank body are provided with threads, and a valve body is installed on the tank mouth. The valve body is provided with a plurality of annular grooves on the outer side surface inside the tank mouth, and the cross section of the annular groove is triangular, and the side of the triangle facing the tank body is parallel to the tank mouth. A sealing ring is sleeved on the outside of the valve body, and the sealing ring fits in the annular groove. The inside of the tank mouth is threadedly connected to a first pressure cap, and the inner side of the first pressure cap is squeezed by the sealing ring. The outside of the tank mouth is threadedly connected to a second pressure cap.

[0007] The utility model is further configured as follows: the pressure cover 1 is a ring body, the inner wall of the pressure cover 1 is inclined, the wall thickness of the pressure cover 1 on the side facing the tank body is smaller than the wall thickness on the other side, and a plurality of screw holes are opened on the end surface of the pressure cover 1 on the side facing the tank body.

[0008] The utility model is further configured as follows: an end cover is provided at one end of the second gland away from the tank body, the valve body passes through the end cover, a sealing gasket is provided on the inner side of the end cover, and the sealing gasket is squeezed with the valve body, the first gland and the sealing ring.

[0009] The present invention is further configured as follows: an air hole is provided on the valve body, a ventilation groove is provided in the air hole, one end of the air hole is connected with the tank body, the other end of the air hole is provided with an end head, a through hole is provided on the end head, the through hole is connected with the air hole, a valve core is provided in the air hole, one end of the valve core extends into the ventilation groove and is connected with a plug, the plug can be sealed with the ventilation groove, the end of the plug facing away from the valve core is connected with an auxiliary spring, the auxiliary spring is installed in the ventilation groove, a valve core two is slidably connected in the through hole, and the valve core two can push the valve core one.

[0010] The utility model is further configured as follows: the valve core 2 includes a core body, the core body is slidably connected to the through hole, an extrusion groove is provided on the core body, the extrusion groove is wedge-shaped, the end of the valve core 1 facing away from the tank body is wedge-shaped and is slidably connected to the extrusion groove, one end of the core body is provided with a plug 2, the end of the core body connected to the plug 2 is sealed and connected to the through hole, and a plurality of ventilation grooves 2 are provided, the ventilation grooves 2 are axially arranged on the outside of the core body, and when the core body is pressed, the ventilation grooves 2 connect the through hole with the external environment.

[0011] The utility model is further configured as follows: a plurality of connecting grooves are provided at one end of the core body away from the second plug, and push rods are movably connected in the connecting grooves.

[0012] The utility model is further configured as follows: a clamping plate is provided on the side of the end head facing away from the second plug, the push rod includes a limit plate, the limit plate is connected to a return spring on the side facing the core body, the other end of the return spring is fixed on the end head, a plurality of connecting rods are provided on the side of the limit plate facing the core body, the other end of the limit plate is connected to a pressure block, and the pressure block extends out of the clamping plate.

[0013] The utility model is further configured as follows: the connecting groove includes a movable groove and a push groove, the movable groove and the push groove are both axially opened on the outside of the core body, and the connecting rod can be slidably connected to the movable groove or the push groove.

[0014] The advantages of the utility model are:

[0015] 1. Several triangular ring grooves are opened on the outside of the valve body, and corresponding convex rings are set on the sealing ring. When the sealing ring is sealed with the valve body, the sealing length is increased. The sealing ring is fixed by the gland. The wall thickness of the gland increases from the inside to the outside. After the gland is installed, the sealing ring is squeezed into the tank body and the axis position, thereby fixing the position of the valve body and improving the sealing performance.

[0016] 2. When the valve core 2 is pushed, the valve core 1 is pushed open through the extrusion groove, thereby opening the tank body. A movable groove and a push groove are provided at the end of the valve core 2. The length of the movable groove is greater than the length of the push groove. When not in use, the connecting rod of the push rod is placed in the movable groove. At this time, the valve core 2 does not move when the push rod is pushed, thereby avoiding the situation where the tank body is accidentally opened and leakage occurs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of an embodiment of the present utility model;

[0018] Figure 2 For the Figure 1 The AA line cross-section shown;

[0019] Figure 3 for Figure 2 An enlarged view of part B is shown;

[0020] Figure 4 for Figure 2 An enlarged view of part C is shown;

[0021] Figure 5 This is a structural diagram of a gland of the present invention;

[0022] Figure 6 This is a schematic diagram of the valve core structure of the utility model;

[0023] Figure 7 This is a schematic diagram of the push rod structure of the utility model;

[0024] In the figure: 1. Tank body; 11. Tank mouth; 2. Valve body; 21. Air hole; 22. Valve core 1; 23. Plug 1; 24. Auxiliary spring; 25. Vent groove 1; 26. End; 261. Clamping plate; 27. Through hole; 3. Gland 1; 31. Screw hole; 4. Sealing ring; 5. Gland 2; 6. Valve core 2; 61. Core body; 62. Push rod; 621. Press block; 622. Limiting plate; 623. Connecting rod; 63. Extrusion groove; 64. Vent groove 2; 65. Plug 2; 66. Connecting groove; 661. Movable groove; 662. Push groove; 67. Return spring; 7. Sealing gasket. DETAILED DESCRIPTION

[0025] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0027] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually relative to the directions shown in the drawings, or relative to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually relative to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned direction words are not used to limit the present invention.

[0028] See also Figure 1-7 , the utility model provides the following technical solutions:

[0029] A portable plateau oxygen supply device includes a tank body 1, a tank mouth 11 of the tank body 1 is provided with threads on both the inside and outside, a valve body 2 is installed on the tank mouth 11, the valve body 2 is provided with a plurality of annular grooves on the outer surface inside the tank mouth 11, the cross section of the annular groove is triangular, the side of the triangle facing the tank body 1 is parallel to the tank mouth 11, a sealing ring 4 is sleeved on the outside of the valve body 2, a convex ring is provided on the sealing ring 4 to fit the annular groove, the inner side of the tank mouth 11 is threadedly connected to a pressure cap 3, the pressure cap 3 is a ring body, the inner wall of the pressure cap 3 is inclined, and the pressure The wall thickness of the cover 3 facing the inside of the tank body 1 is smaller than that of the other side. After the gland 3 is assembled, the inner wall of the gland 3 presses the sealing ring 4 downward and obliquely toward the center, thereby pressing and fixing the valve body 2. When the internal air pressure of the tank body 1 increases, the valve body 2 is squeezed outward, making the pressure between the valve body 2 and the sealing ring 4 greater. Therefore, within a certain pressure range, the higher the internal air pressure of the tank body 1, the better the sealing effect. A plurality of screw holes 31 are opened on the end surface of the gland 3 facing the outside of the tank body 1 for inserting tools such as wrenches to install the gland 3;

[0030] The outer side of the tank mouth 11 is threadedly connected to a pressure cap 2 5, and an end cover is provided at the end of the pressure cap 2 5 facing away from the tank body 1. The valve body 2 passes through the end cover, and a sealing gasket 7 is provided on the inside of the end cover. The sealing gasket 7 is squeezed with the valve body 2, the pressure cap 1 3 and the sealing ring 4 to improve the sealing effect.

[0031] The valve body 2 is provided with an air hole 21, and a ventilation groove 25 is provided in the air hole 21. One end of the air hole 21 is connected to the tank body 1, and the other end of the air hole 21 is provided with an end cap 26. A through hole 27 is formed through the end cap 26, and the through hole 27 is connected to the air hole 21. A valve core 22 is provided in the air hole 21, and one end of the valve core 22 extends into the ventilation groove 25 and is connected to a plug 23. The plug 23 can be sealed with the ventilation groove 25. An auxiliary spring 24 is connected to the end of the plug 23 facing away from the valve core 22. The auxiliary spring 24 is installed in the ventilation groove 25, and the valve core 6 is slidably connected in the through hole 27.

[0032] The valve core 2 6 can push the valve core 1 22 , so that the plug 1 23 is opened and the tank body 1 is opened.

[0033] The valve core 2 6 includes a core body 61, which is slidingly connected to the through hole 27. An extrusion groove 63 is provided on the core body 61, and the extrusion groove 63 is wedge-shaped. The end of the valve core 22 facing away from the tank body 1 is wedge-shaped and is slidingly connected to the extrusion groove 63. A plug 2 65 is provided at one end of the core body 61. The end of the core body 61 connected to the plug 2 65 is sealed and connected to the through hole 27, and a number of ventilation grooves 2 64 are provided. The ventilation grooves 2 64 are axially arranged on the outside of the core body 61. When the core body 61 is pressed, the ventilation grooves 2 64 connect the through hole 27 with the external environment to realize oxygen release.

[0034] The core 61 has a plurality of connecting grooves 66 on one end away from the second plug 65, and a push rod 62 is movably connected in the connecting groove 66;

[0035] A clamping plate 261 is provided on the side of the end 26 facing away from the second plug 65. The push rod 62 includes a limit plate 622. A return spring 67 is connected to the side of the limit plate 622 facing the core 61. The other end of the return spring 67 is fixed to the end 26. A plurality of connecting rods 623 are provided on the side of the limit plate 622 facing the core 61. The other end of the limit plate 622 is connected to a pressure block 621, which extends out of the clamping plate 261.

[0036] The connecting groove 66 includes a movable groove 661 and a push groove 662. The movable groove 661 and the push groove 662 are both axially opened on the outer side of the core 61. The connecting rod 623 can be slidably connected to the movable groove 661 or the push groove 662.

[0037] When not in use, the connecting rod 623 is located in the movable groove 661. When the push rod 62 is accidentally touched, the connecting rod 623 slides in the movable groove 661 and cannot push the core 61, and the tank body 1 cannot be opened, thereby avoiding leakage;

[0038] When in use, the push rod 62 is pulled and the connecting rod 623 is moved into the push groove 662 , and the pressing block 621 is pressed. The connecting rod 623 pushes the core 61 through the push groove 662 , thereby opening the tank body and releasing oxygen.

[0039] Specifically, a plurality of triangular ring grooves are provided on the outside of the valve body 2, and corresponding convex rings are provided on the sealing ring 4. When the sealing ring 4 is sealed and connected to the valve body 2, the sealing length is increased. The sealing ring 4 is fixed by the gland 3. The wall thickness of the gland 3 increases from the inside to the outside. After the gland 3 is installed, the sealing ring 4 is squeezed into the tank body 1 and the axial position, thereby fixing the position of the valve body 2 and improving the sealing performance.

[0040] When the valve core 2 6 is pushed, the valve core 1 22 is pushed open through the extrusion groove 63, thereby opening the tank body 1. A movable groove 661 and a push groove 662 are provided at the end of the valve core 2 6. The length of the movable groove 661 is greater than the length of the push groove 662. When not in use, the connecting rod 623 of the push rod 62 is placed in the movable groove 661. At this time, the valve core 2 6 does not move when the push rod 62 is pushed, thereby avoiding the situation where the tank body 1 is accidentally opened and leakage occurs.

[0041] Obviously, the embodiments described above are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0042] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, tasks, devices, components and / or combinations thereof.

[0043] It should be noted that the terms "first," "second," and the like in the specification and claims of this application and the accompanying drawings are used to distinguish similar pairs of elements and are not necessarily used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, such that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein.

[0044] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A portable plateau oxygen supply device, comprising a tank body (1), characterized in that: The inside and outside of the tank mouth (11) of the tank body (1) are both provided with threads, and a valve body (2) is installed on the tank mouth (11). The valve body (2) is provided with a plurality of annular grooves on the outer surface inside the tank mouth (11), and the cross section of the annular groove is triangular, and the side of the triangle facing the tank body (1) is parallel to the tank mouth (11). The outer side of the valve body (2) is sleeved with a sealing ring (4), and the sealing ring (4) fits in the annular groove. The inner side of the tank mouth (11) is threadedly connected to a pressure cap (3), and the inner side of the pressure cap (3) is pressed against the sealing ring (4). The outer side of the tank mouth (11) is threadedly connected to a pressure cap (5).

2. The portable plateau oxygen supply device according to claim 1, characterized in that: The pressure cover (3) is a ring body, the inner wall of the pressure cover (3) is inclined, the wall thickness of the pressure cover (3) on the side facing the inside of the tank body (1) is smaller than the wall thickness of the other side, and a plurality of screw holes (31) are provided on the end surface of the pressure cover (3) on the side facing the outside of the tank body (1).

3. The portable plateau oxygen supply device according to claim 2, characterized in that: An end cover is provided at the end of the second gland (5) facing away from the tank body (1), the valve body (2) passes through the end cover, and a sealing gasket (7) is provided on the inner side of the end cover. The sealing gasket (7) is squeezed with the valve body (2), the first gland (3) and the sealing ring (4).

4. The portable plateau oxygen supply device according to claim 1, characterized in that: The valve body (2) is provided with an air hole (21), a vent groove (25) is provided in the air hole (21), one end of the air hole (21) is connected to the tank body (1), the other end of the air hole (21) is provided with an end head (26), a through hole (27) is provided through the end head (26), the through hole (27) is connected to the air hole (21), a valve core (22) is provided in the air hole (21), the valve core (22) is provided in the air hole (21), and the valve core (22) is provided in the air hole (21). ) extends into the ventilation groove one (25) and is connected to a plug one (23), the plug one (23) can be sealed with the ventilation groove one (25), the plug one (23) is connected to an auxiliary spring (24) at one end away from the valve core one (22), the auxiliary spring (24) is installed in the ventilation groove one (25), the valve core two (6) is slidably connected in the through hole (27), and the valve core two (6) can push the valve core one (22).

5. The portable plateau oxygen supply device according to claim 4, characterized in that: The valve core 2 (6) includes a core body (61), the core body (61) is slidably connected to the through hole (27), an extrusion groove (63) is provided on the core body (61), and the extrusion groove (63) is wedge-shaped. The end of the valve core 1 (22) away from the tank body (1) is wedge-shaped and slidably connected to the extrusion groove (63), and a plug 2 (65) is provided at one end of the core body (61). The end of the core body (61) connected to the plug 2 (65) is sealed and connected to the through hole (27) and is provided with a plurality of ventilation grooves 2 (64). The ventilation grooves 2 (64) are axially arranged on the outside of the core body (61). When the core body (61) is pressed, the ventilation grooves 2 (64) connect the through hole (27) with the external environment.

6. The portable plateau oxygen supply device according to claim 5, characterized in that: A plurality of connecting grooves (66) are provided at one end of the core body (61) away from the second plug (65), and a push rod (62) is movably connected in the connecting groove (66).

7. The portable plateau oxygen supply device according to claim 6, characterized in that: A clamping plate (261) is provided on the side of the end head (26) facing away from the second plug (65), and the push rod (62) includes a limit plate (622). The limit plate (622) is connected to a return spring (67) on the side facing the core body (61), and the other end of the return spring (67) is fixed on the end head (26). A plurality of connecting rods (623) are provided on the side of the limit plate (622) facing the core body (61), and the other end of the limit plate (622) is connected to a pressure block (621), and the pressure block (621) extends out of the clamping plate (261).

8. The portable plateau oxygen supply device according to claim 7, characterized in that: The connecting groove (66) includes a movable groove (661) and a push groove (662), and the movable groove (661) and the push groove (662) are both axially opened on the outside of the core (61), and the connecting rod (623) can be slidably connected to the movable groove (661) or the push groove (662).

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