A sealing structure for emergency door handle of hyperbaric oxygen chamber
By designing the emergency door handle sealing structure of the high-pressure oxygen chamber, the combination of the door body, the rotating shaft, the stationary ring, the sealing ring and the rotating ring, the problem of air leakage through the door handle of the high-pressure oxygen chamber is solved, and good sealing and safety are achieved.
Patent Information
- Application Number
- CN202421527936.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The existing high-pressure oxygen chamber penetrates the door handle easily leaks, resulting in safety hazards.
A high-pressure oxygen chamber emergency door handle sealing structure is designed, including the door body, rotating shaft, stationary ring, sealing ring and rotating ring. Through the cooperation of these components, a sealing ring is formed to isolate the outside air and ensure sealing.
It effectively prevents the leakage of air pressure in the high-pressure oxygen chamber, ensures sealing, improves safety and stability, and is suitable for opening of the high-pressure oxygen chamber in emergency situations.
Smart Images
Figure CN222731275U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hyperbaric oxygen chambers, in particular to a sealing structure for an emergency door handle of a hyperbaric oxygen chamber. Background Art
[0002] The hyperbaric oxygen chamber emergency door handle sealing structure is a device used to open the hyperbaric oxygen chamber from the outside in an emergency. The main purpose of its design is to quickly and effectively open the hyperbaric hydrogen chamber from the outside in the event of an accident or emergency to ensure the safety of the people in the chamber. Due to the special working environment of the hyperbaric hydrogen chamber, the emergency handle needs to be able to withstand a certain amount of pressure and impact to ensure stable operation in an emergency. The hyperbaric oxygen chamber emergency door handle sealing structure is generally durable and easy to operate.
[0003] In the hyperbaric oxygen chamber, in order to prevent the electric door from being unable to open, an emergency handle that runs through the inside and outside is set. Ordinary door handles that run through the door sometimes leak. To ensure the safety of people using the hyperbaric oxygen chamber, its practicality and safety must be fully considered in design and use. The purpose of this mechanism is to solve the problem of air leakage from the handle in a high-pressure environment. Utility Model Content
[0004] The utility model aims to overcome the defects of the prior art and provides a sealing structure for an emergency door handle of a hyperbaric oxygen chamber, so as to solve the problem of air leakage through the door handle of the hyperbaric oxygen chamber in the prior art.
[0005] In order to achieve the above purpose and other purposes, the utility model is implemented by including the following technical solutions: a sealing structure of an emergency door handle of a hyperbaric oxygen chamber, characterized in that the emergency handle of the outer door includes:
[0006] The emergency door handle sealing structure comprises:
[0007] A door body, wherein a mounting groove is provided on the door body, a mounting hole is provided in the mounting groove, and the mounting hole passes through the door body;
[0008] A rotating shaft is rotatably embedded in the mounting hole, one end of the rotating shaft is located on one side of the door body, and the other end of the rotating shaft is located on the other side of the door body, and a retaining ring is arranged on the periphery of one side of the mounting hole of the rotating shaft;
[0009] A stationary ring, sleeved on the rotating shaft, the stationary ring is fixed to the door body, one end of the stationary ring is located in the mounting hole, and the other end of the stationary ring is located outside the mounting hole;
[0010] A sealing ring, sleeved on the stationary ring, the sealing ring covers the other side of the mounting hole;
[0011] And a rotating ring is sleeved on the rotating shaft and fixedly connected to the rotating shaft. The rotating ring is arranged on a side of the stationary ring away from the mounting hole, and one end face of the rotating ring is in contact with one end face of the stationary ring.
[0012] In some embodiments, a sealing layer is disposed on the rotating shaft, and the sealing layer is disposed on the rotating shaft on the side where the stationary ring and the rotating ring are located, and the sealing layer is a silicon carbide layer.
[0013] In some embodiments, the stationary ring includes a first stationary ring and a second stationary ring, the second stationary ring is inserted into the mounting hole, the first stationary ring is located outside the mounting hole, one end of the first stationary ring is connected to the second stationary ring, and the other end of the first stationary ring is in contact with the rotating ring.
[0014] In some embodiments, the sealing ring is disposed between the first stationary ring and the mounting hole, and the sealing ring is sleeved on the second stationary ring.
[0015] In some embodiments, the inner diameter of the mounting hole on the side close to the mounting groove is smaller than the inner diameter of the mounting hole on the side close to the stationary ring, the outer part of the mounting hole on the side close to the mounting groove fits with the retaining ring, and the inner part fits with the rotating shaft; the inner part of the mounting hole on the side close to the stationary ring fits with the second stationary ring, and the outer part fits with the sealing ring.
[0016] The utility model provides a sealing structure for an emergency door handle of a hyperbaric oxygen chamber. Compared with the prior art, the utility model has the following beneficial effects: being strong and durable: due to the special working environment of the high-pressure hydrogen chamber, the emergency handle needs to be able to withstand a certain pressure and impact to ensure stable operation in an emergency; being easy to operate: the design of the emergency handle should take into account possible operational difficulties in an emergency, so it has a simple and intuitive operation method, which is convenient for personnel to quickly master; and being well sealed: isolating the inside and the outside to prevent air pressure leakage that may lead to poor effect of the hyperbaric oxygen chamber. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 Shown is a schematic diagram of the overall structure of the sealing structure of the emergency door handle of the hyperbaric oxygen chamber of the utility model.
[0018] Figure 2 Shown is a schematic diagram of the door structure of the emergency door handle sealing structure of the hyperbaric oxygen chamber of the present invention.
[0019] Figure 3 Shown is an overall cross-sectional schematic diagram of the sealing structure of the emergency door handle of the hyperbaric oxygen chamber of the utility model.
[0020] Figure 4 The diagram shows the cross-sectional view of the sealing structure of the emergency door handle of the hyperbaric oxygen chamber of the utility model.
[0021] Figure 5 Shown is a schematic diagram of the structure of the emergency door handle of the hyperbaric oxygen chamber of the utility model.
[0022] Figure 6 Shown is a schematic diagram of the external door opening structure of the hyperbaric oxygen chamber of the utility model.
[0023] In the figure: 1-door body, 11-mounting groove, 12-mounting hole, 13-rack, 14-first tooth, 2-rotating shaft, 3-blocking ring, 4-stationary ring, 41-first stationary ring, 42-second stationary ring, 5-rotating ring, 6-sealing ring, 7-gear, 8-stationary door body, 81-second tooth. DETAILED DESCRIPTION
[0024] See also Figures 1 to 5 The following describes the implementation of the present invention through specific examples. Those skilled in the art can easily understand other advantages and functions of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.
[0025] like Figure 1 As shown, the utility model provides a hyperbaric oxygen chamber emergency door handle sealing structure, which is a device used to open the hyperbaric oxygen chamber from the outside in an emergency. The hyperbaric oxygen chamber emergency door handle sealing structure includes a door body 1, a mounting groove 11 is provided on the door body 1, a mounting hole 12 is provided in the mounting groove 11, and the mounting hole 12 passes through the door body 1.
[0026] like Figure 3 As shown, the sealing structure includes a rotating shaft 2, which is rotatably embedded in the mounting hole 12, one end of the rotating shaft 2 is located on one side of the door body 1, and the other end of the rotating shaft 2 is located on the other side of the door body 1, and the rotating shaft 2 is provided with a retaining ring 3 on the periphery of one side of the mounting hole 12, and the retaining ring 3 covers the periphery of the mounting hole 12.
[0027] like Figure 3 As shown, the sealing structure includes a stationary ring 4, which is fixed on the door body 1 and sleeved on the outer periphery of the rotating shaft 2. One end of the stationary ring 4 is located in the mounting hole 12, and the other end of the stationary ring 4 is located outside the mounting hole 12.
[0028] like Figure 3 As shown, the sealing structure includes a sealing ring 6 , and the sealing ring 6 is sleeved on the stationary ring 4 .
[0029] like Figure 3 As shown, the sealing structure includes a rotating ring 5, which is sleeved on the rotating shaft 2 and fixedly connected to the rotating shaft 2. The rotating ring 5 is arranged on the side of the stationary ring 4 away from the mounting hole 12, and one end face of the rotating ring 5 is in contact with one end face of the stationary ring 4.
[0030] like Figure 3 and Figure 5 As shown, a sealing layer (not shown in the figure) is provided on the rotating shaft 2, and the sealing layer is provided on the rotating shaft 2 on the side where the stationary ring 4 and the rotating ring 5 are located. Specifically, the sealing layer is a silicon carbide layer, and the silicon carbide layer as a sealing layer can reduce friction and enhance the sealing effect.
[0031] like Figure 3 and Figure 5 As shown, the stationary ring 4 includes a first stationary ring 41 and a second stationary ring 42, the second stationary ring 42 is inserted into the mounting hole 12, the first stationary ring 41 is located outside the mounting hole 12, one end of the first stationary ring 41 is connected to the second stationary ring 42, and the other end of the first stationary ring 41 is in contact with the rotating ring 5.
[0032] like Figure 3 and Figure 5 As shown, a sealing ring 6 is provided between the first stationary ring 41 and the mounting hole 12 , and the sealing ring 6 is sleeved on the second stationary ring 42 .
[0033] The sealing ring 6 is used to isolate the outside air and keep the inside of the hyperbaric oxygen chamber in a high pressure state.
[0034] like Figure 1 As shown, the stationary ring 4 is fixedly connected to the door body 1 , remains stationary and fixed, and does not rotate with the rotating shaft 2 , and the rotating ring 5 is fixedly connected to the rotating shaft 2 , and rotates with the rotating shaft 2 .
[0035] like Figure 5 As shown, the stationary ring 4 and the rotating ring 5 are in close contact through pressure and contact with the silicon carbide sealing layer, thereby achieving the purpose of reducing friction and sealing.
[0036] like Figure 4 and Figure 5As shown, the inner diameter of the side of the mounting hole 12 close to the mounting groove 11 is smaller than the inner diameter of the side of the mounting hole 12 close to the stationary ring 4. The outer side of the mounting hole 12 close to the mounting groove 11 is in contact with the retaining ring 3, and the inner side is in contact with the rotating shaft 2; the inner side of the mounting hole 12 close to the stationary ring 4 is in contact with the second stationary ring 42, and the outer side is in contact with the sealing ring 6. The sealing ring 6 and the retaining ring 3 are provided at both ends of the mounting hole 12 to ensure the sealing performance of the sealing structure of the emergency door handle of the hyperbaric oxygen chamber.
[0037] like Figure 6 As shown, the working principle of the utility model is: the door body 1 can be used in conjunction with the static door body 8. When the rotating shaft 2 is needed to open the door, a gear 7 can be provided in the mounting groove 11. The rotating shaft 2 can drive the gear 7. The gear 7 can drive the rack 13 installed next to the door body 1, and then drive the rack 13 to rotate. When the first tooth 14 on the rack 13 rotates to the gap between the second tooth 81 on the static door body 8, the door body 1 can be driven to pull out the static door body 8 to open the door.
[0038] Therefore, the utility model effectively overcomes various shortcomings in the prior art and has a high industrial utilization value. The above embodiments are only illustrative of the principles and effects of the utility model, and are not used to limit the utility model. Anyone familiar with this technology can modify or change the above embodiments without violating the spirit and scope of the utility model. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed by the utility model should still be covered by the claims of the utility model.
Claims
1. A sealing structure for an emergency door handle of a hyperbaric oxygen chamber, characterized in that: The emergency door handle sealing structure comprises: A door body, wherein a mounting groove is provided on the door body, a mounting hole is provided in the mounting groove, and the mounting hole passes through the door body; A rotating shaft is rotatably embedded in the mounting hole, one end of the rotating shaft is located on one side of the door body, and the other end of the rotating shaft is located on the other side of the door body, and a retaining ring is arranged on the periphery of one side of the mounting hole of the rotating shaft; A stationary ring, sleeved on the rotating shaft, the stationary ring is fixed to the door body, one end of the stationary ring is located in the mounting hole, and the other end of the stationary ring is located outside the mounting hole; A sealing ring, sleeved on the stationary ring, the sealing ring covers the other side of the mounting hole; And a rotating ring is sleeved on the rotating shaft and fixedly connected to the rotating shaft. The rotating ring is arranged on a side of the stationary ring away from the mounting hole, and one end face of the rotating ring is in contact with one end face of the stationary ring.
2. A sealing structure for an emergency door handle of a hyperbaric oxygen chamber according to claim 1, characterized in that: A sealing layer is arranged on the rotating shaft. The sealing layer is arranged on the rotating shaft on the side where the stationary ring and the rotating ring are located. The sealing layer is a silicon carbide layer.
3. The sealing structure of a hyperbaric oxygen chamber emergency door handle according to claim 1, characterized in that: The stationary ring includes a first stationary ring and a second stationary ring, the second stationary ring is inserted into the mounting hole, the first stationary ring is located outside the mounting hole, one end of the first stationary ring is connected to the second stationary ring, and the other end of the first stationary ring is in contact with the rotating ring.
4. A sealing structure for an emergency door handle of a hyperbaric oxygen chamber according to claim 3, characterized in that: The sealing ring is arranged between the first stationary ring and the mounting hole, and the sealing ring is sleeved on the second stationary ring.
5. The sealing structure of a hyperbaric oxygen chamber emergency door handle according to claim 3, characterized in that: The inner diameter of the mounting hole on the side close to the mounting groove is smaller than the inner diameter of the mounting hole on the side close to the stationary ring. The outer side of the mounting hole on the side close to the mounting groove fits with the retaining ring, and the inner side fits with the rotating shaft. The inner side of the mounting hole on the side close to the stationary ring fits with the second stationary ring, and the outer side fits with the sealing ring.