Sealing element for connecting fan and compressor shell of oxygen generator
By designing a sealed connection between the fan and compressor housing in the oxygen concentrator, and utilizing the inclined and baffle structures to divert airflow, the problem of both heat dissipation and airflow guidance by the fan is solved, thereby improving intake efficiency and reducing noise.
Patent Information
- Application Number
- CN202520556048.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-26
AI Technical Summary
How can the fan in an oxygen concentrator both cool the compressor and direct the airflow from the fan into the compressor's intake pipe to improve intake efficiency while effectively reducing noise?
Design a seal for connecting a fan and a compressor housing, including a seal body and a connecting pipe. The seal body is installed between the fan outlet and the compressor housing. One end of the connecting pipe is connected to the fan outlet, and the other end is connected to the air pipe of the compressor housing. The airflow is guided by the inclined part and the baffle structure to achieve airflow diversion. The seal material is rubber or silicone to ensure sealing and reduce noise.
It improves the compressor's suction efficiency, ensures smooth air intake, reduces overall machine noise, and achieves multi-functionality and stability of the fan.
Smart Images

Figure CN223814351U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of oxygen generator, especially a sealing element for connecting a fan and a compressor shell of an oxygen generator. BACKGROUND
[0002] A portable oxygen generator is a small device designed for users in need of oxygen therapy, which provides great convenience for users with its portability, ease of use and stability, especially for users who need long-term oxygen therapy or outdoor activities, which can significantly improve the quality of life.
[0003] In order to improve the air intake of the compressor in the oxygen generator, the air suction pipe of the compressor can be connected to the air outlet of the fan for heat dissipation through an air pipe on the compressor shell. In this way, part of the air flow blown out of the air outlet of the fan can be used for heat dissipation of the compressor, and the other part can enter the air suction pipe of the compressor through the air pipe on the compressor shell. The blowing of the fan combined with the suction of the compressor itself can improve the air suction efficiency of the compressor, ensure the air intake of the compressor, and make the air intake of the compressor smoother. However, how to make the fan installed on the compressor shell both blow air to the compressor for heat dissipation and guide part of the air blown by the fan to the air suction pipe of the compressor is a problem to be solved. SUMMARY
[0004] The utility model aims at overcoming the above-mentioned deficiencies of the prior art, and provides a sealing element for connecting a fan and a compressor shell of an oxygen generator.
[0005] According to one aspect of the utility model, a sealing element for connecting a fan and a compressor shell of an oxygen generator is provided, which includes a sealing element body for installation between the air outlet of the fan of the oxygen generator and the opening on the compressor shell. The side of the sealing element body is provided with a connecting pipe, one end of the connecting pipe can be communicated with the air outlet of the fan of the oxygen generator, and the other end of the connecting pipe can be communicated with the air pipe on the compressor shell. The periphery of the sealing element body is provided with a clamping step for clamping at the opening on the compressor shell.
[0006] The utility model discloses, sealing element body installs between the outlet of the fan of oxygen generator and the compressor shell, the top of compressor shell can form an opening, be provided with a gas pipe on the lateral wall of compressor shell, the outlet of the fan of oxygen generator is located at the bottom of fan, sealing element body installs between the outlet of fan and the opening of the top of compressor shell, sealing element body can be stably installed in the periphery of the opening of the top of compressor shell through the joint step, the connecting pipe on sealing element body is connected with the gas pipe on compressor shell, the suction pipe of compressor in compressor shell is connected with the gas pipe on compressor shell, when fan works, the airflow of the outlet of fan blows part carries out heat dissipation to the compressor in compressor shell, another part enters the suction pipe of compressor through the connecting pipe on the lateral wall of sealing element body, the gas pipe on the lateral wall of compressor shell, the blowing of fan combines the suction of compressor itself, thereby can improve the suction efficiency of compressor, guarantee the air intake of compressor, make the air intake of compressor more smooth, sealing element body can seal the gap between the outlet of fan and the opening on compressor shell, effectively seal the noise generated during the operation of compressor in compressor shell, thereby can effectively reduce the noise of whole machine, the connecting pipe on sealing element body can guide the part of air blown by fan to the suction pipe of compressor, thereby realize that the fan installed on compressor shell can blow and heat dissipation to compressor and guide the part of air blown by fan to the suction pipe of compressor.
[0007] Further, the bottom of one side edge of the sealing element body is provided with an inclined portion, the bottom of the sealing element body is provided with two downward extending blocking portions, the two blocking portions are respectively located on both sides of the inclined portion and are respectively connected with both sides of the inclined portion, and the port of one end of the connecting pipe is located at the intersection position of the inclined portion and one blocking portion.
[0008] Therefore, the structure formed by the inclined portion and the two blocking portions can guide part of the airflow blown by the fan to the compressor in the compressor shell to blow and heat dissipation to the compressor, and since the port of the connecting pipe is located at the intersection position of the inclined portion and one blocking portion, another part of the airflow blown by the fan can be blown into the connecting pipe on the side of the sealing element body.
[0009] Further, the other end of the connecting pipe is provided with a plug-in pipe in communication with the connecting pipe and used for plugging into the gas pipe on the compressor shell.
[0010] Therefore, the sealing element body can be quickly connected with the gas pipe on the compressor shell through the plug-in pipe to realize the conductive connection of the connecting pipe and the gas pipe on the compressor shell, so that part of the air blown by the fan enters the suction pipe of the compressor through the connecting pipe on the sealing element body and the gas pipe on the compressor shell.
[0011] Further, the plug-in pipe and the connecting pipe are vertically arranged.
[0012] Therefore, the vertically arranged plug-in pipe and the connecting pipe can effectively utilize the space inside the oxygen generator to realize the connection between the connecting pipe and the air pipe on the compressor shell.
[0013] Further, the free end of the plug-in pipe is in a conical shape.
[0014] Therefore, the plug-in pipe with the conical free end can be quickly plugged into the port of the air pipe on the compressor shell, thereby realizing the quick installation between the plug-in pipe and the air pipe on the compressor shell.
[0015] Further, a step is arranged on the outer periphery of the plug-in pipe.
[0016] Therefore, when the plug-in pipe is plugged into the air pipe on the compressor shell, the step on the plug-in pipe can limit the depth of the plug-in pipe plugged into the air pipe, and when the end of the air pipe abuts against the step, it indicates that the plug-in pipe has been installed in place, ensuring that the plug-in pipe and the air pipe on the compressor shell are stably connected together and cannot be easily detached.
[0017] Further, the sealing element body is in a whole square shape.
[0018] Therefore, the sealing element body in the whole square shape can adapt to the shape of the air outlet of the fan and the shape of the opening on the top of the compressor shell, ensuring the sealing property at the gap between the air outlet of the fan and the opening on the compressor shell.
[0019] Further, the material of the sealing element body is rubber or silicone.
[0020] Therefore, the sealing element body made of rubber or silicone can not only ensure the sealing property, but also effectively seal the noise generated by the compressor inside the compressor shell, thereby effectively reducing the noise of the whole machine, and the sealing element body made of rubber or silicone can also reduce the noise generated by vibration during the operation of the fan. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 is a structural schematic view of a sealing element for connecting a fan and a compressor shell of an oxygen generator;
[0022] Figure 2 is Figure 1 is a structural schematic view of the sealing element from another perspective;
[0023] Figure 3 is Figure 1 is a structural schematic view of the sealing element from still another perspective;
[0024] Figure 4 is Figure 1 is a use state view of the sealing element. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0026] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. It should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, it can be mechanically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements.
[0027] Referring to Figures 1 to 3 , a sealing element for connecting the fan and the compressor shell of an oxygen generator, comprising a sealing element body 1.
[0028] The sealing element body 1 can be mounted between the air outlet of the fan of the oxygen generator and the opening on the compressor shell, referring to Figures 1 to 3 , the sealing element body 1 is in the shape of a square box, and the sealing element body 1 in the shape of a square box can adapt to the shape of the air outlet of the fan and the shape of the opening on the top of the compressor shell, and ensure the sealing of the gap between the air outlet of the fan and the opening on the compressor shell.
[0029] Referring to Figures 1 to 3 , the side of the sealing element body 1 is formed with a connecting pipe 11, one end of the connecting pipe 11 Figure 1 , the left end of the connecting pipe 11 is formed with a plug-in pipe 15, the plug-in pipe 15 communicates with the connecting pipe 11, and the plug-in pipe 15 is used to connect the air pipe on the compressor shell. The connecting pipe 11 can communicate with the air pipe on the compressor shell through the plug-in pipe 15, and the sealing element body 1 can be quickly connected with the air pipe on the compressor shell through the plug-in pipe 15 to realize the conductive connection between the connecting pipe 11 and the air pipe on the compressor shell.
[0030] Referring to Figures 1 to 3In the embodiment, the plug-in pipe 15 is arranged vertically with the connecting pipe 11, and the vertically arranged plug-in pipe 15 and the connecting pipe 11 can effectively utilize the space inside the oxygen generator to realize the connection between the connecting pipe 11 and the air pipe on the compressor shell. In other embodiments, the arrangement style of the plug-in pipe 15 and the connecting pipe 11 can be adjusted adaptively according to the installation requirements.
[0031] Referring to Figures 1 to 3 The free end of the plug-in pipe 15 is in a conical shape, and the plug-in pipe 15 with the conical free end can be quickly plugged into the port of the air pipe on the compressor shell, thereby realizing the quick installation between the plug-in pipe 15 and the air pipe on the compressor shell.
[0032] Referring to Figures 1 to 3 A step 151 is formed on the outer periphery of the plug-in pipe 15, and when the plug-in pipe 15 is plugged into the air pipe on the compressor shell, the step 151 on the plug-in pipe 15 can limit the depth of the plug-in pipe 15 plugged into the air pipe. When the end of the air pipe on the compressor shell abuts against the step 151, it indicates that the plug-in pipe 15 has been installed in place, ensuring that the plug-in pipe 15 and the air pipe on the compressor shell are stably connected together and cannot be easily detached.
[0033] Referring to Figures 1 to 3 An inclined portion 13 is formed at the bottom of one side edge of the sealing body 1, and two downward extending blocking portions 14 are formed at the bottom of the sealing body 1. The two blocking portions 14 are respectively located at the two sides of the inclined portion 13 and are integrally connected with the two sides of the inclined portion 13 respectively. The port 111 of the connecting pipe 11 is located at the intersection position of the inclined portion 13 and one blocking portion 14. The structure formed by the inclined portion 13 and the two blocking portions 14 can guide a part of the airflow blown by the fan to directly face the compressor in the compressor shell to blow and cool the compressor. Since the port 111 of the connecting pipe 11 is located at the intersection position of the inclined portion 13 and one blocking portion 14, another part of the airflow blown by the fan can also be blown into the connecting pipe 11.
[0034] Referring to Figure 2 and Figure 3 A clamping step 12 is formed on the periphery of the sealing body 1, and the clamping step 12 is used for clamping at the opening on the compressor shell. The top of the compressor shell of the oxygen generator can be formed with an opening, the shape of the opening is matched with the shape of the clamping step 12, the air outlet of the fan of the oxygen generator is located at the bottom of the fan, and the sealing body 1 is installed between the air outlet of the fan and the opening on the top of the compressor shell. The sealing body 1 can be stably installed on the periphery of the opening on the top of the compressor shell through the clamping step 12.
[0035] The material of the sealing body 1 can be rubber or silica gel, which can ensure the sealing between the air outlet of the fan and the opening on the top of the compressor shell, and effectively seal the noise generated by the compressor inside the compressor shell, thereby effectively reducing the noise of the whole machine, and the rubber or silica gel material of the sealing body 1 can also reduce the noise generated by vibration during the operation of the fan.
[0036] Referring to Figure 4 , the sealing body 1 is installed between the air outlet of the fan 2 of the oxygen generator and the compressor shell 3, the air outlet of the fan 2 of the oxygen generator is located at the bottom of the fan 2, the top of the compressor shell 3 is formed with an opening (not shown), the sealing body 1 is installed on the periphery of the opening on the top of the compressor shell 3 through the clamping step 12 Figure 2 , the side wall of the compressor shell 3 is provided with an air pipe 31, the free end of the plug-in pipe 15 Figure 1 on the sealing body 1 is plugged into the port on the top of the air pipe 31 on the compressor shell 3, the sealing body 1 is installed between the air outlet of the fan 2 and the opening on the top of the compressor shell 3, and the air inlet pipe of the compressor in the compressor shell 3 is connected with the air pipe 31 on the compressor shell 3.
[0037] Referring to Figures 1 to 4 , when the fan 2 works, part of the airflow blown out of the air outlet of the fan 2 is used for heat dissipation of the compressor in the compressor shell 3, and the other part enters the air inlet pipe of the compressor through the connecting pipe 11, the plug-in pipe 15 on the side wall of the sealing body 1, and the air pipe 31 on the side wall of the compressor shell 3, the blowing of the fan 2 and the suction of the compressor itself can improve the air suction efficiency of the compressor, ensure the air intake of the compressor, and make the air intake of the compressor more smooth, the sealing body 1 can seal the gap between the air outlet of the fan 2 and the opening on the compressor shell 3, effectively seal the noise generated by the compressor in the compressor shell 3, thereby effectively reducing the noise of the whole machine, and the connecting pipe 11 on the sealing body 1 can guide part of the air blown out of the fan 2 to the air inlet pipe of the compressor, so that the fan 2 installed on the compressor shell 3 can not only blow and heat the compressor, but also guide part of the air blown out of the fan 2 to the air inlet pipe of the compressor.
[0038] The above only describes some embodiments of the present application, which aims to explain the technical means of the present application, and is not limited to the technical range of the present application. Those skilled in the art can make obvious improvements to the present application based on the existing common knowledge, which falls within the protection scope of the present application.
Claims
1. A seal for connecting a fan and compressor housing for an oxygen generator, characterized by, The sealing body is arranged between the air outlet of the fan and the opening of the compressor shell, and the side of the sealing body is provided with a connecting pipe, one end of the connecting pipe is communicated with the air outlet of the fan, and the other end of the connecting pipe is communicated with the air pipe of the compressor shell.
2. The seal of claim 1, wherein The bottom of the side of the sealing body is provided with an inclined part, the bottom of the sealing body is provided with two downward extending blocking parts, the two blocking parts are respectively located on the two sides of the inclined part and connected with the two sides of the inclined part, and the port of one end of the connecting pipe is located at the joint position of the inclined part and one blocking part.
3. The seal of claim 1, wherein The other end of the connecting pipe is provided with a plug-in pipe which is communicated with the connecting pipe and is used for being plugged into the air pipe of the compressor shell.
4. The seal of claim 3, wherein, The plug-in pipe and the connecting pipe are arranged vertically.
5. The seal of claim 3, wherein, The free end of the plug-in pipe is in a conical shape.
6. The seal of claim 3, wherein A step is arranged on the outer periphery of the plug-in pipe.
7. The seal of claim 1, wherein The sealing body is in a square box shape.
8. The seal of any one of claims 1 to 7, wherein, The material of the sealing body is rubber or silica gel.