Oxygen cabin door with automatic unlocking mechanism

Abstract

The utility model discloses an oxygen cabin door with an automatic unlocking mechanism, and relates to the technical field of oxygen cabin equipment, the oxygen cabin door comprises a door body and a cabin body, the right side of the door body is rotatably connected with the cabin body through a hinge, the front side of the cabin body is provided with a sealing ring, and the front side and the rear side of the door body are respectively and fixedly provided with a handle. According to the oxygen cabin door with the automatic unlocking mechanism, the door body is driven to be attached to the sealing ring through the handle, the motor is controlled to work to drive the lead screw to rotate, the left end of the lock cylinder slides to the outer side of the lock body and is inserted into the lock hole, the door body and the sealing ring are driven to be pressed tightly through sliding of the lock cylinder slope and the edge of the lock hole, and automatic locking and sealing of the door body are achieved; the lock cylinder is driven by the motor to be retracted into the inner side of the lock body, locking of the door body can be relieved, meanwhile, the piston is separated from limiting of the lock cylinder and slides into the lock hole under the action of elastic force of the spring until the piston is staggered with the air hole, blocking of the air hole is relieved, balance of internal air pressure and external air pressure is facilitated, and therefore opening and closing of the door body are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of oxygen chamber equipment, in particular to an oxygen chamber door with an automatic unlocking mechanism. Background Art

[0002] An oxygen chamber is a type of enclosed medical equipment that can maintain a pressurized and oxygen-rich environment for treatment, surgery, and rescue. To facilitate entry, exit, and use, a suitable oxygen chamber door needs to be installed to seal the oxygen chamber.

[0003] For example, announcement number CN218029639U discloses a self-opening hyperbaric oxygen chamber door locking structure, comprising a cabin body and a cabin door, a sealing ring is arranged on the cabin body, the cabin door abuts on the sealing ring, a handle is arranged on the cabin door, a rotating rod is rotatably arranged on both inner and outer sides of the cabin door, a locking block is arranged at the end of the rotating rod, a limiting block is fixedly arranged on the cabin body, the limiting block is provided with a clamping wall along the rotation direction of the locking block, the locking block abuts on the clamping wall, and a counterweight block is arranged on the rotating rod; the present application has the function of being able to close the cabin door by adopting the locking block and the limiting block, rotating the rotating rod so that the locking block abuts on the clamping wall of the limiting hole, and utilizing the thrust when the cabin is pressurized to push the cabin door so that the locking block and the clamping wall are released from the clamping state, and under the action of the counterweight block, the locking block is separated from the limiting block, and when the cabin is depressurized to the normal pressure state, the cabin door can be opened by pulling the handle, making the cabin door opening and closing more convenient and quick, thereby achieving the effect of improving the inconvenience of opening and closing the cabin door of the hyperbaric oxygen chamber;

[0004] The oxygen cabin door in this patent lacks an automatic unlocking function, and the door needs to be manually locked and unlocked during the door opening and closing process. At the same time, there is a lack of structure to assist in equalizing the air pressure, resulting in a lack of assistance in the door opening and closing process, which is time-consuming, labor-intensive, and inefficient. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an oxygen cabin door with an automatic unlocking mechanism, which solves the problem that the oxygen cabin door lacks an automatic unlocking function, and the door needs to be manually locked and unlocked during the door opening and closing process. At the same time, there is a lack of structure for auxiliary air pressure equalization, which leads to a lack of assistance in the door opening and closing process, which is time-consuming, labor-intensive and inefficient.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: an oxygen cabin door with an automatic unlocking mechanism, comprising a door body and a cabin body, the right side of the door body and the cabin body being rotatably connected by a hinge, a sealing ring being provided on the front side of the cabin body, handles being fixedly installed on the front and rear sides of the door body, a lock body being fixedly installed on the rear side of the door body, a motor being fixedly installed on the right side of the lock body, a lock core being provided on the inner side of the lock body, a screw rod being provided on the inner side of the lock core, a lock hole being provided on the surface of the cabin body at the side of the lock body, a movable groove being provided on the left side of the lock hole, a piston being provided on the inner side of the movable groove, a spring being provided on the left end of the piston, and air holes being provided on the front and rear sides of the movable groove.

[0007] Preferably, the rear side of the sealing ring is fixedly connected to the surface of the cabin body, and the front side of the sealing ring is tightly fitted to the side of the door body, so as to facilitate the sealing of the door body.

[0008] Preferably, the lock core is slidably connected to the inner side of the lock body and is threadedly connected to the outer side of the screw rod. The output end of the motor extends to the inner side of the lock body and is fixedly connected to the right end of the screw rod to facilitate the control of the movement of the lock core.

[0009] Preferably, the left end of the lock core extends to the outside of the lock body and is slidably connected to the inner side of the lock hole. The front side of the left end of the lock core is designed with an inclined structure to facilitate pressing and locking the door body.

[0010] Preferably, the right end of the movable groove and the inner side of the lock hole are connected to each other, and the piston is slidably connected to the inner sides of the movable groove and the lock hole, so as to facilitate the movement of the piston.

[0011] Preferably, the right end of the piston abuts against the left end of the lock core, the left end of the piston is fixedly connected to the right end of the spring, and the left end of the spring is fixedly connected to the inner side of the movable groove, so as to facilitate resetting of the piston.

[0012] Preferably, two air holes are symmetrically arranged front to back and are connected to the outer side of the cabin. The rear side of the piston fits tightly against the air holes. An air guide groove is provided on the inner side of the movable groove located on the front side of the piston to facilitate the balance of air pressure inside and outside the cabin.

[0013] Beneficial Effects

[0014] The utility model provides an oxygen chamber door with an automatic unlocking mechanism. Compared with the prior art, it has the following beneficial effects:

[0015] 1. The oxygen cabin door with automatic unlocking mechanism is provided with a door body, a sealing ring, a handle, a lock body, a motor, a lock core, a screw rod and a lock hole. The handle drives the door body to fit with the sealing ring, and the motor is controlled to drive the screw rod to rotate, so that the left end of the lock core slides to the outside of the lock body and is inserted into the lock hole. The inclined surface of the lock core slides with the edge of the lock hole, driving the door body and the sealing ring to be pressed tightly, thereby realizing automatic locking and sealing of the door body.

[0016] 2. The oxygen cabin door with automatic unlocking mechanism is provided with a lock body, a motor, a lock core, a movable groove, a piston, a spring, and an air hole. The motor drives the lock core to be retracted into the inner side of the lock body to release the lock of the door body. At the same time, the piston is separated from the limit of the lock core and slides into the lock hole under the elastic force of the spring until it is misaligned with the air hole, thereby releasing the blockage of the air hole, facilitating the balance of internal and external air pressure, thereby facilitating the opening and closing of the door body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0019] Figure 3 The three-dimensional structure of the utility model is shown in FIG. Figure 3 ;

[0020] Figure 4 This is a front view structural schematic diagram of the utility model;

[0021] Figure 5 It is a schematic diagram of the half-section structure of the utility model in the AA direction.

[0022] In the figure: 1. door body; 2. cabin body; 3. hinge; 4. sealing ring; 5. handle; 6. lock body; 7. motor; 8. lock core; 9. screw rod; 10. lock hole; 11. movable groove; 111. air guide groove; 12. piston; 13. spring; 14. air hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5The utility model provides a technical solution: an oxygen cabin door with an automatic unlocking mechanism, comprising a door body 1 and a cabin body 2, the right side of the door body 1 and the cabin body 2 are rotatably connected by a hinge 3, a sealing ring 4 is arranged on the front side of the cabin body 2, the rear side of the sealing ring 4 is fixedly connected to the surface of the cabin body 2, the front side of the sealing ring 4 and the side of the door body 1 are tightly fitted, and handles 5 are fixedly installed on both the front and rear sides of the door body 1, and the door body 1 is convenient to open and close through the cooperation of the handle 5 and the hinge 3;

[0025] A lock body 6 is fixedly installed on the rear side of the door body 1, and a motor 7 is fixedly installed on the right side of the lock body 6. A lock core 8 is arranged on the inner side of the lock body 6, and a screw rod 9 is arranged on the inner side of the lock core 8. The lock core 8 is slidably connected to the inner side of the lock body 6 and is threadedly connected to the outer side of the screw rod 9. The output end of the motor 7 extends to the inner side of the lock body 6 and is fixedly connected to the right end of the screw rod 9. A lock hole 10 is provided on the surface of the cabin 2 at the side of the lock body 6. The left end of the lock core 8 extends to the outer side of the lock body 6 and is slidably sleeved with the inner side of the lock hole 10. The front side of the left end of the lock core 8 is designed with an inclined structure. The handle 5 drives the door body 1 to fit with the sealing ring 4. The motor 7 is controlled to work and drive the screw rod 9 to rotate, so that the left end of the lock core 8 slides to the outer side of the lock body 6 and is inserted into the lock hole 10. The inclined surface of the lock core 8 slides with the edge of the lock hole 10, driving the door body 1 to be pressed against the sealing ring 4, thereby realizing automatic locking and sealing of the door body 1.

[0026] A movable groove 11 is provided on the left side of the lock hole 10, a piston 12 is provided on the inner side of the movable groove 11, the right end of the movable groove 11 and the inner side of the lock hole 10 are connected to each other, the piston 12 and the movable groove 11 and the inner side of the lock hole 10 are slidably connected, a spring 13 is provided on the left end of the piston 12, the right end of the piston 12 and the left end of the lock core 8 are abutted, the left end of the piston 12 and the right end of the spring 13 are fixedly connected, the left end of the spring 13 and the inner side of the movable groove 11 are fixedly connected, and air holes 14 are provided on the front and rear sides of the movable groove 11, and the air holes 14 are There are two symmetrical front and rear portions, and they are connected to the outer side of the cabin body 2. The rear side of the piston 12 is tightly fitted with the air hole 14. The inner side of the movable groove 11 is located in the front side of the piston 12 and an air guide groove 111 is provided. The lock core 8 is driven by the motor 7 to be retracted into the inner side of the lock body 6 to release the lock of the door body 1. At the same time, the piston 12 is separated from the limit of the lock core 8 and slides into the lock hole 10 under the elastic force of the spring 13 until it is misaligned with the air hole 14, thereby releasing the blockage of the air hole 14 and facilitating the balance of internal and external air pressure, thereby facilitating the opening and closing of the door body 1.

[0027] When the door 1 is in use, the handle 5 hinge 3 is cooperated with to facilitate the opening and closing of the door body 1. When the door body 1 is closed, the handle 5 drives the door body 1 to fit with the sealing ring 4, and the motor 7 is controlled to work to drive the screw rod 9 to rotate, so that the left end of the lock core 8 slides to the outside of the lock body 6 and is inserted into the lock hole 10, and the inclined surface of the lock core 8 slides with the edge of the lock hole 10, driving the door body 1 and the sealing ring 4 to be pressed tightly, so as to realize automatic locking and sealing of the door body 1. In the process of the lock core 8 entering the lock hole 10, the piston 12 is pushed to slide inwardly of the movable groove 11 to block the air hole 14. When the door body 1 needs to be opened, the lock core 8 is retracted into the inner side of the lock body 6 by the motor 7, and the lock of the door body 1 can be released. At the same time, the piston 12 is separated from the limit of the lock core 8 and slides into the lock hole 10 under the elastic force of the spring 13 until it is misaligned with the air hole 14, thereby releasing the blockage of the air hole 14, facilitating the balance of the internal and external air pressures, thereby facilitating the opening and closing of the door body 1.

[0028] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An oxygen chamber door with an automatic unlocking mechanism, comprising a door body (1) and a chamber body (2), characterized in that: The right side of the door body (1) and the cabin body (2) are rotatably connected via a hinge (3); a sealing ring (4) is provided on the front side of the cabin body (2); handles (5) are fixedly installed on the front and rear sides of the door body (1); a lock body (6) is fixedly installed on the rear side of the door body (1); a motor (7) is fixedly installed on the right side of the lock body (6); a lock core (8) is provided on the inner side of the lock body (6); a screw rod (9) is provided on the inner side of the lock core (8); a lock hole (10) is provided on the surface of the cabin body (2) at the side of the lock body (6); a movable groove (11) is provided on the left side of the lock hole (10); a piston (12) is provided on the inner side of the movable groove (11); a spring (13) is provided at the left end of the piston (12); and air holes (14) are provided on the front and rear sides of the movable groove (11).

2. The oxygen chamber door with an automatic unlocking mechanism according to claim 1, characterized in that: The rear side of the sealing ring (4) is fixedly connected to the surface of the cabin body (2), and the front side of the sealing ring (4) is tightly fitted to the side of the door body (1).

3. The oxygen chamber door with an automatic unlocking mechanism according to claim 1, characterized in that: The lock core (8) is slidably connected to the inner side of the lock body (6) and is threadedly connected to the outer side of the screw rod (9). The output end of the motor (7) extends to the inner side of the lock body (6) and is fixedly connected to the right end of the screw rod (9).

4. The oxygen chamber door with an automatic unlocking mechanism according to claim 1, characterized in that: The left end of the lock core (8) extends to the outside of the lock body (6) and is slidably sleeved with the inside of the lock hole (10). The front side of the left end of the lock core (8) is designed as an inclined structure.

5. The oxygen chamber door with an automatic unlocking mechanism according to claim 1, characterized in that: The right end of the movable groove (11) and the inner side of the lock hole (10) are connected to each other, and the piston (12) is slidably connected to the inner side of the movable groove (11) and the lock hole (10).

6. The oxygen chamber door with an automatic unlocking mechanism according to claim 1, characterized in that: The right end of the piston (12) abuts against the left end of the lock core (8), the left end of the piston (12) is fixedly connected to the right end of the spring (13), and the left end of the spring (13) is fixedly connected to the inner side of the movable groove (11).

7. The oxygen chamber door with an automatic unlocking mechanism according to claim 1, characterized in that: The air holes (14) are provided with two symmetrical front and rear portions and are connected to the outer side of the cabin (2). The rear side of the piston (12) is tightly fitted with the air holes (14). The inner side of the movable groove (11) is provided with an air guide groove (111) located on the front side of the piston (12).

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