Oxygen regulating module of oxygen terminal

Abstract

The utility model discloses an oxygen terminal oxygen adjusting module which comprises a machine body, an air inlet valve, a personal oxygen outlet nozzle and a dispersion air outlet mechanism are installed on the machine body, the on-off of the air inlet valve is controlled through an electromagnetic valve, a blending cavity is formed in the machine body, and the blending cavity is communicated with the air inlet valve through an air inlet channel in the machine body. The personal oxygen outlet nozzle and the diffusion air outlet mechanism are respectively communicated with the blending cavity through independent air outlet channels, an adjusting valve controlled by an adjusting knob is arranged in the blending cavity, the personal oxygen outlet nozzle and the diffusion air outlet mechanism are combined on one adjusting mechanism, oxygen is supplied through an electromagnetic valve, and the adjusting knob is turned to adjust the oxygen supply. Therefore, the oxygen inlet opening degree proportion between the personal oxygen outlet nozzle and the diffusion air outlet mechanism can be adjusted according to the use scene, the oxygen amount is distributed into the personal oxygen outlet nozzle and the diffusion air outlet mechanism according to different proportions, the flexibility is higher, and the use feeling of a user can be effectively improved.

Description

Technical Field

[0001] The utility model relates to an oxygen concentrator, in particular to an oxygen terminal oxygen regulating module. Background Art

[0002] There are generally two types of oxygen terminals on the market, one is a personal oxygen terminal for independent personal use, and the other is a diffused oxygen terminal. The current structure is switched by two independent solenoid valves, which can only control the switch but cannot adjust the oxygen flow rate by itself. Therefore, there will be insufficient oxygen or excessive oxygen flow rate during use, making the user feel uncomfortable. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the utility model provides an oxygen terminal oxygen regulating module.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] An oxygen terminal oxygen regulating module comprises a body, on which an air inlet valve controlled on and off by a solenoid valve, a personal oxygen outlet nozzle and a diffuse air outlet mechanism are installed, a mixing chamber is arranged in the body, the mixing chamber is communicated with the air inlet valve through an air inlet channel in the body, the personal oxygen outlet nozzle and the diffuse air outlet mechanism are respectively communicated with the mixing chamber through independent air outlet channels, a regulating valve controlled by a regulating knob is installed in the mixing chamber, so that the amount of oxygen is distributed to the personal oxygen outlet nozzle and the diffuse air outlet mechanism according to different proportions.

[0006] The regulating valve comprises a valve seat and a valve core. The side wall of the valve seat is circumferentially provided with a plurality of air inlet holes connected with the mixing chamber. The end of the valve seat is provided with an air outlet hole corresponding to the air outlet channel of the personal oxygen outlet nozzle and the diffuse air outlet mechanism. The valve core is provided with a connecting notch, and the air inlet hole is connected with the air outlet hole through the connecting notch.

[0007] The air outlet holes are two symmetrical fan-shaped surfaces, and the connecting notch matches the fan-shaped surfaces.

[0008] The valve seat is composed of a shell and an end cover, the air outlet is arranged on the end cover, and the air inlet is arranged on the side wall of the shell; a sealing part is installed in the shell, the sealing part abuts against the end cover, and the sealing part is provided with a connecting hole corresponding to the air outlet.

[0009] A sealing ring is installed between the shell and the mixing chamber.

[0010] The valve core is provided with a screw rod, the screw rod extends out of the outside of the valve seat, and the regulating knob is installed at the end of the screw rod.

[0011] A pressing ring and a first pressing sheet for pressing the regulating valve are sequentially installed in the mixing chamber, and the first pressing sheet is fixed at the opening of the mixing chamber by screws.

[0012] The diffuse air outlet mechanism includes a concave cavity portion with an opening on one side wall arranged in the body, a plurality of stacked wool felt blocks are placed in the concave cavity portion, a diffuse oxygen outlet port connected to the concave cavity portion is arranged at the bottom of the body, a sealing block and a second pressing plate are installed at the opening of the concave cavity portion in sequence, and the second pressing plate is fixed at the opening of the concave cavity portion by screws.

[0013] The beneficial effects of the utility model are as follows: an air inlet valve, a personal oxygen outlet nozzle and a diffuse air outlet mechanism which are controlled to be on and off by an electromagnetic valve are installed on a machine body, a mixing chamber is arranged in the machine body, the mixing chamber is connected with the air inlet valve through an air inlet channel in the machine body, the personal oxygen outlet nozzle and the diffuse air outlet mechanism are respectively connected with the mixing chamber through independent air outlet channels, a regulating valve controlled by an adjusting knob is installed in the mixing chamber, the personal oxygen outlet nozzle and the diffuse air outlet mechanism are combined on an adjusting mechanism, oxygen is supplied through an electromagnetic valve, and the knob is adjusted, so that the oxygen inlet opening ratio between the personal oxygen outlet nozzle and the diffuse air outlet mechanism can be adjusted according to the usage scenario, so that the oxygen amount is distributed to the personal oxygen outlet nozzle and the diffuse air outlet mechanism according to different proportions, the flexibility is higher, and the user's usage experience can be effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 It is an exploded view of the utility model;

[0017] Figure 3 This is an exploded view of the control valve. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0019] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention.

[0020] Some embodiments of the present invention are described below in conjunction with the accompanying drawings.

[0021] Reference Figure 1-3, an oxygen terminal oxygen regulating module, comprising a body 1, on which an air inlet valve 3 controlled by a solenoid valve 2, a personal oxygen outlet nozzle 4 and a diffused air outlet mechanism are installed (how to achieve the effect of oxygen diffusion belongs to the prior art), a mixing chamber 5 is arranged in the body 1, the mixing chamber 5 is connected with the air inlet valve 3 through an air inlet channel in the body 1, the personal oxygen outlet nozzle 4 and the diffused air outlet mechanism are respectively connected with the mixing chamber 5 through independent air outlet channels, and a regulating valve 7 controlled by a regulating knob 6 is installed in the mixing chamber 5 to adjust the personal oxygen outlet The nozzle and the diffuse air outlet mechanism are combined on an adjustment mechanism, and oxygen is supplied through a solenoid valve. The knob is adjusted to achieve the ability to adjust the oxygen intake opening ratio between the personal oxygen nozzle and the diffuse air outlet mechanism according to the usage scenario, so that the amount of oxygen enters the personal oxygen nozzle and the diffuse air outlet mechanism in different proportions. The personal oxygen flow can be fully opened (the diffuse oxygen flow is fully closed), or fully closed (the diffuse oxygen flow is fully opened), and it can also be adjusted to mixed oxygen (half personal oxygen and half diffuse oxygen), which is more flexible and can effectively improve the user experience.

[0022] The solenoid valve 2 is mounted on the body 1 via a mounting bracket 25 .

[0023] The regulating valve 7 comprises a valve seat and a valve core 9. The side wall of the valve seat is provided with a plurality of air inlet holes 11 in communication with the mixing chamber 5 along the circumferential direction. The end of the valve seat is provided with an air outlet hole 10 corresponding to the air outlet passage of the personal oxygen outlet nozzle 4 and the diffuse air outlet mechanism. The valve core 9 is provided with a connecting notch 12. The air inlet hole 11 is connected with the air outlet hole 10 through the connecting notch 12. Oxygen enters the mixing chamber 5 through the air inlet passage, enters the interior of the regulating valve 7 through the air inlet hole 11, and finally enters the personal oxygen outlet nozzle 4 and the diffuse air outlet mechanism through the connecting notch 12 according to the area ratio of the air outlet hole 10 being opened.

[0024] The air outlet holes 10 are two symmetrical fan-shaped holes, and the connecting notch 12 matches the fan-shaped holes. When the connecting notch 12 is completely aligned with the fan-shaped holes corresponding to the personal oxygen outlet nozzle 4, the flow of the personal oxygen outlet nozzle 4 is fully open, and the diffused oxygen flow is fully closed.

[0025] The valve seat is composed of a shell 8 and an end cover 15, the air outlet 10 is arranged on the end cover 15, and the air inlet 11 is arranged on the side wall of the shell 8; a sealing portion 16 is installed in the shell 8, and the sealing portion 16 abuts against the end cover 15. The sealing portion 16 is provided with a connecting hole 17 corresponding to the air outlet 10, and the sealing portion 16 and the end cover 15 cannot rotate relative to each other.

[0026] A sealing ring 13 is installed between the housing 8 and the mixing chamber 5 to prevent oxygen from flowing out of the opening of the mixing chamber 5 and reducing the actual use effect of oxygen.

[0027] The valve core 9 is provided with a screw rod 14 , the screw rod 14 extends out of the outside of the valve seat, and the regulating knob 6 is mounted on the end of the screw rod 14 .

[0028] A pressing ring 23 and a first pressing sheet 24 for pressing the regulating valve 7 are sequentially installed in the mixing chamber 5 . The first pressing sheet 24 is fixed at the opening of the mixing chamber 5 by screws.

[0029] The diffuse air outlet mechanism includes a concave cavity portion 18 with an opening on one side wall of the body 1, and a plurality of stacked wool felt blocks 19 are placed in the concave cavity portion 18. A diffuse oxygen outlet 20 connected to the concave cavity portion 18 is provided at the bottom of the body 1. A sealing block 21 and a second pressing plate 22 are installed at the opening of the concave cavity portion 18 in sequence, and the second pressing plate 22 is fixed at the opening of the concave cavity portion 18 by screws.

[0030] In the present invention, the term "plurality" means two or more than two, unless otherwise clearly defined. The term "and / or" used herein includes any and all combinations of one or more related listed items. The terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "connect" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0031] It should be noted that when an element is referred to as being "assembled on", "installed on", "fixed on" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0032] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An oxygen terminal oxygen conditioning module, comprising a body (1), characterized in that The machine body (1) is provided with an air inlet valve (3) whose on / off is controlled by a solenoid valve (2), a personal oxygen outlet nozzle (4) and a diffuse air outlet mechanism. A mixing chamber (5) is provided in the machine body (1). The mixing chamber (5) is connected to the air inlet valve (3) through an air inlet passage in the machine body (1). The personal oxygen outlet nozzle (4) and the diffuse air outlet mechanism are respectively connected to the mixing chamber (5) through independent air outlet passages. A regulating valve (7) controlled by a regulating knob (6) is provided in the mixing chamber (5) so that the amount of oxygen is adjusted according to the air volume. The regulating valve (7) is composed of a valve seat and a valve core (9), a side wall of the valve seat is provided with a plurality of air inlet holes (11) in communication with the mixing chamber (5) along the circumferential direction, an air outlet hole (10) is provided at the end of the valve seat corresponding to the air outlet passage of the personal oxygen outlet nozzle (4) and the diffuse air outlet mechanism, the valve core (9) is provided with a connecting notch (12), and the air inlet hole (11) is in communication with the air outlet hole (10) through the connecting notch (12).

2. The oxygen terminal oxygen regulating module according to claim 1, characterized in that The air outlet holes (10) are two symmetrical fan-shaped surfaces, and the connecting notch (12) matches the fan-shaped surfaces.

3. The oxygen terminal oxygen regulating module according to claim 1 is characterized in that The valve seat is composed of a shell (8) and an end cover (15); the air outlet (10) is arranged on the end cover (15); and the air inlet (11) is arranged on the side wall of the shell (8); a sealing portion (16) is installed in the shell (8); the sealing portion (16) abuts against the end cover (15); and the sealing portion (16) is provided with a connecting hole (17) corresponding to the air outlet (10).

4. The oxygen terminal oxygen regulating module according to claim 3 is characterized in that A sealing ring (13) is installed between the housing (8) and the mixing chamber (5).

5. The oxygen terminal oxygen regulating module according to claim 1, characterized in that The valve core (9) is provided with a screw rod (14), the screw rod (14) protruding out of the outside of the valve seat, and the adjusting knob (6) is mounted on the end of the screw rod (14).

6. The oxygen terminal oxygen regulating module according to claim 1, characterized in that A pressing ring (23) and a first pressing plate (24) for pressing the regulating valve (7) are sequentially installed in the mixing chamber (5); the first pressing plate (24) is fixed at the opening of the mixing chamber (5) by means of screws.

7. The oxygen terminal oxygen regulating module according to claim 1, characterized in that The diffused gas outlet mechanism comprises a concave cavity (18) with an opening on one side wall of the machine body (1), a plurality of stacked wool felt blocks (19) are placed in the concave cavity (18), a diffused oxygen outlet (20) connected to the concave cavity (18) is provided at the bottom of the machine body (1), a sealing block (21) and a second pressing plate (22) are sequentially installed at the opening of the concave cavity (18), and the second pressing plate (22) is fixed to the opening of the concave cavity (18) by means of screws.

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