Sealing door body and using method thereof
By designing a smooth door frame, drive mechanism, and anti-pinch mechanism, the problems of poor sealing and hand pinching in the sealed door body are solved, achieving efficient sealing and safe operation.
Patent Information
- Application Number
- CN202510924852.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-04
- Publication Date
- 2025-10-28
AI Technical Summary
Existing sealing doors are prone to the sealing strip flipping up during the sealing process, affecting the sealing effect. Furthermore, they lack protective mechanisms, making it easy for operators to have their hands caught in the moving sealing door and equipment casing.
The sealed door body design includes a smooth door frame, a drive mechanism, a fault-free mechanism, and an anti-pinch mechanism. The parallel displacement of the sealed door is limited by folded guide holes and a limiting frame. The guide wheel guides the sealed door to move vertically, and the limit switch is activated to stop the drive mechanism when an obstruction is detected to prevent pinching.
It improves sealing performance and reliability, prevents personnel from being pinched by sealed doors, reduces equipment damage, and enhances the automation level and emergency response capabilities of the equipment.
Smart Images
Figure CN120844880A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of sealing door technology, specifically to a sealing door and its usage method. Background Technology
[0002] In the medical industry, equipment such as medical device sterilizers and instrument dryers are widely used. These devices typically consist of a cabinet to hold medical devices, sealed by a movable door, allowing for the sterilization and drying of the devices using onboard sterilization and drying equipment. However, most current models use a frame that moves parallel to the cabinet opening, along with a sealing door mounted on the frame. As the frame moves to the opening and continues to move, the sealing door, when restricted, moves obliquely along with the frame to seal the opening. However, this method has significant drawbacks. When the obliquely moving sealing door presses the cabinet inward, it continues to move parallel to the frame for a distance before completely sealing. This means that any sealing strips that haven't been fully compressed can be flipped up upon contact with the sealing door, affecting the seal and reducing the safety and reliability of the equipment. Furthermore, the lack of a protective mechanism during the door's movement increases the risk of the operator's hand being caught between the moving door and the equipment's outer casing. Summary of the Invention
[0003] The present invention mainly provides a sealing door and its usage method, which solves the problems of existing sealing doors where the sealing strip is easily flipped up during the sealing process, affecting the sealing effect, and the lack of corresponding protection mechanism, which makes it easy for the operator to have their hand caught in the moving sealing door and the outer shell of the equipment.
[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:
[0005] A sealed door includes a housing frame, a smooth door outer frame slidably connected to the housing frame at both ends, a drive mechanism disposed on the housing frame for driving the smooth door outer frame to reciprocate sliding displacement, a fault-free mechanism disposed on the drive mechanism, a door body installed on the smooth door outer frame, and an anti-pinch mechanism disposed on the smooth door outer frame.
[0006] The door body includes a sealed door, two guide plates located at both ends of the sealed door and arranged parallel to the outer frame of the smooth door, a limiting frame corresponding to the outer side of the guide plates and arranged parallel to the outer frame of the smooth door, and a limiting frame arranged on the box frame to limit the ultimate displacement of the sealed door. Multiple guide wheels and multiple support wheels are provided at both the upper and lower ends of the sealed door. The guide plates on the same side have folded guide holes that cooperate with the guide wheels and supporting through holes for the support wheels to pass through. The support wheels pass through the cooperating through holes and are supported on the inner plane of the limiting frame. A first limiting through hole that cooperates with the limiting frame is provided on the outer frame of the smooth door.
[0007] The anti-pinch mechanism includes an anti-pinch outer plate, two sets of switch frames respectively disposed on the upper end of the outer frame of the smooth door and on the lower end of the limiting frame, each set of switch frames is provided with an outer plate guide and push mechanism, and each set of switch frames is provided with a limit switch; the outer plate is provided with a second limiting through hole that cooperates with the limiting frame.
[0008] Specifically, the outer panel guiding and pushing mechanism includes an outer panel guide rod mounted on the switch frame. The outer end of the outer panel guide rod is detachably connected to an outer panel limiting member for limiting the anti-pinch outer panel. An outer panel top block for abutting the inner side of the anti-pinch outer panel is slidably sleeved on the outer panel guide rod. An elastic, compressible support member is sleeved between the outer panel top block and the support of the outer panel guide rod. An outer panel guide hole that mates with the outer panel guide rod is opened on the anti-pinch outer panel. The outer guide rod guides the anti-pinch outer panel when it is compressed. The outer panel limiting member can be a limiting nut, with its cap limiting the anti-pinch outer panel. The limiting nut can be threaded to the outer end of the outer guide rod. The elastic, compressible support member can be a spring. Specifically, one end of a tension spring is mounted on the outer frame of the sliding door, and the other end of the tension spring is mounted on the sealing door. Specifically, both ends of the tension spring can be detachably connected to the outer frame of the sliding door and the sealing door, respectively. Specifically, bolts can be used to fix the rings at both ends of the tension spring. The tension spring can effectively assist in the repositioning of the sealing door when the outer frame of the smooth door is reset.
[0009] The two guide plates located at both ends of the sealing door and parallel to the outer frame of the smooth door refer to two guide plates located at the upper and lower ends of the sealing door, respectively, with their positions parallel and arranged on the outer frame of the smooth door. The limiting frame corresponding to the outer side of the guide plates and parallel to the outer frame of the smooth door refers to the limiting frame being parallel to the guide plates and corresponding to the outer side of the guide plates, arranged on the outer frame of the smooth door. The folded guide hole and the support through hole have the same shape. The limiting frame that restricts the ultimate displacement of the sealing door refers to the frame that restricts the sealing door after it has moved to the opening of the box, preventing it from continuing to move, so that it can only move perpendicular to the opening of the box while the outer frame of the smooth door continues to move smoothly. The limiting through hole on the outer frame of the smooth door that cooperates with the limiting frame means that the limiting frame can penetrate the limiting through hole and abut against the sealing door, thereby preventing the sealing door from moving further under its restriction. The folded guide hole is composed of an inclined waist hole relative to the box and a vertical waist hole relative to the box. Multiple refers to two or more. Limit switches can be any existing technology, as long as they can be activated by pressing the anti-pinch outer plate. They generally consist of a housing, a transmission element, an actuating spring, a moving contact, and a fixed contact. The housing protects the internal components, the transmission element transmits external mechanical force to the actuating spring, and the actuating spring controls the opening and closing of the moving and fixed contacts. They are characterized by small contact gap, short travel, low actuation force, and rapid switching. The operating speed of the moving contact is independent of the operating speed of the transmission element, enabling precise control and rapid response. This structure, with its folded guide holes and limiting frame, restricts the parallel displacement of the sealing door when it moves to the opening of the enclosure. Guided by the folded guide holes, the guide wheel ensures the sealing door can only press inwards, preventing the sealing door from flipping up the sealing strip and reducing the possibility of damage. This effectively protects the sealing strip and improves the sealing effect and reliability of the sealing door. When an obstruction (such as a person's limb or medical device) appears between the anti-pinch outer plate and the outer shell or enclosure, the travel of the anti-pinch outer plate is limited, triggering the limit switch. The drive mechanism immediately stops or reverses its movement, effectively preventing injury to personnel during the closing process of the sealing door, or avoiding equipment damage caused by forced closure of the sealing door, thus reducing property loss.
[0010] Furthermore, the drive mechanism includes a rack mounted on the outer frame of the smooth door, a geared motor mounted on the housing frame, and a transmission gear axially slidably mounted on the output shaft of the geared motor and meshing with the rack. The fault-free mechanism is mounted on the output shaft of the geared motor and is used to push and support the transmission gear outward. With this structure, when the geared motor is energized, the transmission gear at its output end rotates and meshes with the rack on the outer frame of the smooth door, converting the rotational motion of the motor into the linear reciprocating motion of the outer frame of the smooth door. By controlling the forward and reverse rotation of the geared motor, the direction of movement of the outer frame of the smooth door is controlled, thereby driving the door to move accurately to the corresponding position to complete the sealing or opening action. This structure is compact, has high transmission efficiency, and utilizes the stability of gear and rack transmission and the controllability of the geared motor to achieve precise control of the movement of the sealing door, resulting in a high degree of automation.
[0011] Furthermore, the fault-relief mechanism includes a limiting plate disposed on the output shaft of the geared motor, an elastic support member disposed between the transmission gear and the limiting plate, a gear baffle disposed at the outer end of the output shaft of the geared motor to prevent the transmission gear from falling off, and a spline disposed between the transmission gear and the output shaft of the geared motor. The elastic support member can be a spring. With this structure, the spline enables a sliding connection and power transmission between the transmission gear and the output shaft, ensuring that the transmission gear can both slide axially on the output shaft and rotate with it. The detachable gear baffle serves to fix and protect the transmission gear, preventing it from falling off the output shaft during normal operation. During normal operation, the elastic support member provides outward support to the transmission gear, maintaining a stable meshing state with the rack. In the event of a power outage or a drive mechanism malfunction, pushing the transmission gear inward compresses the spring, disengaging the transmission gear from the rack and thus releasing the displacement restriction on the outer frame of the sliding door.
[0012] Furthermore, the upper end of the smooth door outer frame is slidably connected to the box frame via an upper sliding component, and the lower end of the smooth door outer frame is slidably connected to the box frame via a lower sliding component. This structure ensures the accurate sliding of the smooth door outer frame and its stability during sliding displacement.
[0013] Furthermore, the upper sliding assembly includes an upper guide rod disposed on the housing frame and multiple concave pulleys rotatably connected to the upper end of the smooth door outer frame, the annular grooves of the concave pulleys engaging with the upper guide rod; the lower sliding assembly includes a lower guide rod disposed on the housing frame and multiple sliders disposed at the lower end of the smooth door outer frame, the sliders slidably connected to the lower guide rod. This structure provides stable and flexible sliding guidance for the upper end of the smooth door outer frame, reducing friction during sliding and ensuring smooth door sliding; simultaneously, the upper guide rod, located within the annular groove, provides axial limiting relative to the concave pulleys; the lower sliding assembly cooperates with the upper sliding assembly to jointly ensure stable sliding of the smooth door outer frame and door body from both ends, enabling the door to open and close smoothly under normal operating conditions.
[0014] Furthermore, the guide wheel is a bearing. Specifically, the bearing can be installed on the sealing door in any existing way, as long as it can move within the folded guide hole and drive the sealing door to move.
[0015] Furthermore, the limiting frame includes a mounting bracket disposed on the housing frame and limiting wheels disposed on the mounting bracket. With this structure, when the sealing door moves to the housing opening, the limiting wheels on the limiting frame contact the side wall of the sealing door through the limiting through-holes in the outer frame of the smooth door. As the outer frame of the smooth door continues to move, the limiting wheels abut against the sealing door, limiting its parallel displacement; and the limiting wheels reduce friction during vertical displacement of the sealing door.
[0016] Furthermore, both the support wheel and the limiting wheel utilize bullseye ball bearings. These bullseye ball bearings can be installed in their respective positions using any existing technological method, as long as the corresponding technical principle is achieved. This structure significantly reduces friction between the support wheel / limiting wheel and the contact components, resulting in smoother movement of the sealing door.
[0017] A method for using a sealed door involves supporting the door with a support wheel and a limiting frame; activating a drive mechanism to slide the smooth door frame on a housing frame, which in turn moves the door; when the sealed door moves to the corresponding position at the housing opening, the limiting frame passes through the first and second limiting through holes and abuts against the sealed door, preventing it from moving parallel; at this time, a guide wheel guides within a folded guide hole, and as the smooth door frame continues to move parallel, the guide wheel slides from an oblique waist hole to a vertical waist hole, causing the sealed door to press vertically into the housing opening, completing the sealing action; the support wheel slides within the plane of the limiting frame to ensure stable movement of the sealed door; conversely, the drive mechanism drives the smooth door frame to move in the opposite direction, thereby enabling the smooth door frame to open the housing and expose the housing opening;
[0018] During the movement of the smooth door frame, if an obstruction appears between the anti-pinch outer plate and the outer shell installed on the box frame, or between the anti-pinch outer plate and the box, the travel of the anti-pinch outer plate is restricted. While the smooth door frame continues to move, the anti-pinch outer plate moves along the outer plate guide push mechanism toward the limit switch and drives the limit switch to move. At this time, the limit switch sends a signal to the controller that controls the drive mechanism, controlling the drive mechanism to stop moving the smooth door frame, or to move the smooth door frame in the opposite direction.
[0019] Furthermore, under normal operating conditions, the geared motor drives the smooth door frame to slide laterally. At this time, the elastic support is in a naturally extended state, providing outward support force for the transmission gear. When the equipment experiences a power outage or a drive mechanism malfunction, the operator manually pushes the transmission gear inward. The transmission gear slides inward on the output shaft against the elastic force of the elastic support, causing the transmission gear to disengage from the rack. At this time, the smooth door frame and door body are no longer restricted by the displacement of the transmission gear and rack. The operator can manually push the smooth door frame to slide laterally, thereby opening the door. After the operation is completed, the transmission gear is released, and under the action of the spring force, the transmission gear automatically resets and resumes its meshing with the rack.
[0020] Beneficial effects: By setting folded guide holes and limiting frames, when the sealing door moves to the opening of the housing, the limiting frames restrict its parallel displacement. Under the guidance of the folded guide holes, the guide wheels ensure that the sealing door can only be pressed into the housing, preventing the sealing door from causing the sealing strip to flip up, reducing the possibility of damage to the sealing strip, effectively protecting the sealing strip, and improving the sealing effect and reliability of the sealing door body; the smooth door frame is connected to the housing frame through upper and lower sliding components, ensuring the smooth movement of the smooth door frame; the drive mechanism adopts a combination of geared motor, transmission gear and rack, which has a simple structure, stable transmission, and facilitates the control of the movement of the sealing door body, improving the automation level of the equipment; the guide wheels use bearings, and the support wheels and limiting wheels use bullseye ball bearings, which can effectively reduce frictional resistance, reduce wear, extend the service life of each component, and ensure the smooth movement of the sealing door on the limiting frame; when the equipment is powered off or In case of a drive mechanism failure, the operator can quickly disengage the transmission gear from the rack by pushing it inward on the output shaft, thus releasing the displacement restriction on the smooth door frame. This allows the smooth door frame and door body to slide easily, opening the enclosure and promptly retrieving the medical devices inside. This effectively solves the problem of existing equipment doors being sealed shut, preventing the removal of devices and greatly improving the equipment's emergency handling capabilities. The upper and lower sliding components work together to provide stable sliding guidance for the smooth door frame and door body from both ends, ensuring smooth opening and closing of the door under normal operating conditions. When an obstruction appears between the anti-pinch outer plate and the outer shell or enclosure, the travel of the anti-pinch outer plate is restricted, triggering the limit switch. The drive mechanism immediately stops or reverses its movement, effectively preventing personnel from being pinched during the closing process of the sealed door, or avoiding equipment damage caused by the forced closure of the sealed door, thus reducing property loss. Attached Figure Description
[0021] Figure 1 This is an isometric view of the box frame in one embodiment;
[0022] Figure 2 This is a schematic diagram showing the removal of the upper frame strip of the smooth door outer frame in one embodiment;
[0023] Figure 3 This is a schematic diagram of a guide plate in one embodiment;
[0024] Figure 4 This is a schematic diagram of the first restricted through hole in one embodiment;
[0025] Figure 5 This is a top view schematic diagram of the folded through hole in one embodiment;
[0026] Figure 6 This is a schematic diagram of the drive mechanism in one embodiment;
[0027] Figure 7 This is a side view of the box frame in one embodiment;
[0028] Figure 8 for Figure 7 Enlarged diagram of A in the middle;
[0029] Figure 9 for Figure 7 Enlarged diagram of B in the middle;
[0030] Figure 10 This is a top-view oblique view of the box frame in one embodiment;
[0031] Figure 11 for Figure 10 Enlarged diagram of C;
[0032] Figure 12 This is a schematic diagram of the box frame in one embodiment, viewed from an upward angle.
[0033] Figure 13 for Figure 12 Enlarged schematic diagram of D;
[0034] Figure 14 This is a schematic diagram of the outer plate guide and push mechanism in one embodiment;
[0035] Figure 15 This is a schematic diagram of a tension spring in one embodiment.
[0036] Reference numerals: 1. Box frame; 2. Smooth door outer frame; 3. Drive mechanism; 3. Rack; 301. Gear motor; 302. Transmission gear; 303. Sealing door; 4. Guide plate; 5. Limiting bracket; 6. Restricting bracket; 7. Mounting bracket; 701. Restricting wheel; 702. Guide wheel; 8. Support wheel; 9. Folded guide hole; 10. Support through hole; 11. First restricting through hole; 12. Upper sliding assembly; 13. Upper guide rod; 1301. Concave pulley; 1302. Lower sliding assembly; 14. 1401, lower guide rod, 1402, slider, fault detachment mechanism, 15, elastic support, 1501, gear baffle, 1502, spline, 1503, anti-pinch mechanism, 16, anti-pinch outer plate, 1601, switch frame, 1602, outer plate guide and push mechanism, 1603, outer plate guide rod, 16031, outer plate top block, 16032, elastic compressible support, 16033, limit switch, 1604, second limiting through hole, 1605, tension spring. Detailed Implementation
[0037] The following will provide a more detailed description of the technical solution of a sealing door body and its usage method that are involved in this invention, with reference to the embodiments.
[0038] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.
[0039] like Figures 1 to 15 As shown, a sealed door includes a box frame 1, a smooth door outer frame 2 slidably connected to the box frame 1 at both ends, a drive mechanism 3 disposed on the box frame 1 for driving the smooth door outer frame 2 to reciprocate sliding displacement, a fault release mechanism 15 disposed on the drive mechanism 3, a door body installed on the smooth door outer frame 2, and an anti-pinch mechanism 16 disposed on the smooth door outer frame 2.
[0040] The door body includes a sealing door 4, two guide plates 5 located at both ends of the sealing door 4 and arranged parallel to the outer frame 2 of the smooth door, a limiting frame 6 corresponding to the outside of the guide plates 5 and arranged parallel to the outer frame 2 of the smooth door, and a limiting frame 7 arranged on the box frame 1 to limit the extreme displacement of the sealing door 4. The upper and lower ends of the sealing door 4 are provided with multiple guide wheels 8 and multiple support wheels 9. The guide plates 5 on the same side are provided with folded guide holes 10 that cooperate with the guide wheels 8 and supporting through holes 11 for the support wheels 9 to pass through. The support wheels 9 are supported on the inner plane of the limiting frame 6 after passing through the cooperating through holes. The outer frame 2 of the smooth door is provided with a first limiting through hole 12 that cooperates with the limiting frame 7.
[0041] The anti-pinch mechanism 16 includes an anti-pinch outer plate 1601, two sets of switch frames 1602 respectively disposed on the upper end of the smooth door outer frame 2 and on the lower end of the lower limiting frame 7, each set of switch frames 1602 is provided with an outer plate guide and push mechanism 1603, and each set of switch frames 1602 is provided with a limit switch 1604; the anti-pinch outer plate 1601 is provided with a second limiting through hole 1605 that cooperates with the limiting frame 7.
[0042] Specifically, the outer plate guiding and pushing mechanism 1603 includes an outer plate guide rod 16031 disposed on the switch frame 1602. The outer end of the outer plate guide rod 16031 is detachably connected to an outer plate limiting member for limiting the anti-pinch outer plate 1601. An outer plate top block 16032 for abutting against the inner side of the anti-pinch outer plate 1601 is slidably sleeved on the outer plate guide rod 16031. An elastic compressible support member 16033 is sleeved between the outer plate top block 16032 and the support of the outer plate guide rod 16031. The anti-pinch outer plate 1601 has an outer plate guide hole that mates with the outer plate guide rod 16031. The outer guide rod guides the anti-pinch outer plate 1601 when it is compressed. The outer plate limiting member can be a limiting nut, whose outer cap limits the anti-pinch outer plate 1601. The limiting nut can be threaded to the outer end of the outer guide rod. The elastic compressible support 16033 can be a spring. Specifically, one end of a tension spring 17 is provided on the outer frame 2 of the smooth door, and the other end of the tension spring 17 is provided on the sealing door 4. Specifically, both ends of the tension spring 17 can be detachably connected to the outer frame 2 of the smooth door and the sealing door 4 respectively. Specifically, the rings at both ends of the tension spring 17 can be fixed with bolts. The tension spring 17 can better assist the sealing door 4 in resetting when the outer frame 2 of the smooth door resets.
[0043] The two guide plates 5 located at both ends of the sealing door 4 and parallel to the outer frame 2 of the smooth door refer to two guide plates 5 located at the upper and lower ends of the sealing door 4, respectively, and positioned parallel to each other on the outer frame 2 of the smooth door. The limiting frame 6, corresponding to the outer side of the guide plate 5 and parallel to the outer frame 2 of the smooth door, refers to the limiting frame 6 being parallel to the guide plate 5 and positioned on the outer side of the guide plate 5 on the outer frame 2 of the smooth door. The folded guide hole 10 and the support through hole 11 have the same shape. The limiting frame 7, which restricts the ultimate displacement of the sealing door 4, refers to the limiting effect on the sealing door 4 after it has moved to the opening of the box, preventing it from continuing to move and ensuring that it can only move perpendicular to the opening of the box while the outer frame 2 of the smooth door continues to move smoothly. The limiting through hole on the outer frame 2 of the smooth door that cooperates with the limiting frame 7 means that the limiting frame 7 can penetrate the limiting through hole and abut against the sealing door 4, thereby preventing the sealing door 4 from moving further under its restriction. The folded guide hole 10 is integrally formed by an oblique waist hole relative to the box body and a vertical waist hole relative to the box body. "Multiple" refers to two or more. Using this structure, by setting the folded guide hole 10 and the limiting frame 7, when the sealing door 4 moves to the box opening, the limiting frame 7 restricts its parallel displacement. Under the guidance of the folded guide hole 10, the guide wheel 8 ensures that the sealing door 4 can only press inward into the box body, preventing the sealing door 4 from causing the sealing strip to flip up, reducing the possibility of damage to the sealing strip, effectively protecting the sealing strip, and improving the sealing effect and reliability of the sealing door body. When an obstruction (such as a person's limb, medical equipment, etc.) appears between the anti-pinch outer plate 1601 and the outer shell or box body, the travel of the anti-pinch outer plate 1601 is limited, triggering the limit switch 1604 to start. The drive mechanism 3 immediately stops or reverses its movement, effectively preventing the sealing door 4 from pinching personnel during closing, or preventing the sealing door 4 from being forcibly closed, causing equipment crushing damage and reducing property loss.
[0044] like Figure 6As shown, in one embodiment, the drive mechanism 3 includes a rack 301 mounted on the outer frame 2 of the smooth door, a geared motor 302 mounted on the housing frame 1, and a transmission gear 303 axially slidably mounted on the output shaft of the geared motor 302 and meshing with the rack 301; the fault-free mechanism 15 is mounted on the output shaft of the geared motor 302 and is used to push outward and support the transmission gear 303. With this structure, when the geared motor 302 is energized, the transmission gear 303 at its output end rotates accordingly, meshing with the rack 301 on the outer frame 2 of the smooth door, converting the rotational motion of the motor into the linear reciprocating motion of the outer frame 2 of the smooth door. By controlling the forward and reverse rotation of the geared motor 302, the direction of movement of the outer frame 2 of the smooth door is controlled, thereby driving the door to accurately move to the corresponding position to complete the sealing or opening action. This structure is compact, has high transmission efficiency, and utilizes the stability of the rack and pinion transmission and the controllability of the geared motor 302 to achieve precise control of the movement of the sealing door, resulting in a high degree of automation.
[0045] like Figures 10 to 13 As shown, in one embodiment, the fault-relief mechanism 15 includes a limiting plate disposed on the output shaft of the geared motor 302, an elastic support member 1501 disposed between the transmission gear 303 and the limiting plate, a gear baffle 1502 disposed at the outer end of the output shaft of the geared motor 302 to prevent the transmission gear 303 from falling off, and a spline 1503 disposed between the transmission gear 303 and the output shaft of the geared motor 302. The elastic support member 1501 can be a spring. With this structure, the spline 1503 enables sliding connection and power transmission between the transmission gear 303 and the output shaft, ensuring that the transmission gear 303 can slide axially on the output shaft and rotate with it. The detachable gear baffle 1502 serves to fix and protect the transmission gear 303, preventing it from falling off the output shaft during normal operation. The elastic support 1501 provides outward support for the transmission gear 303 during normal operation, maintaining a stable meshing state with the rack 301. In the event of a power outage or a malfunction of the drive mechanism 3, pushing the transmission gear 303 inward compresses the spring, disengaging the transmission gear 303 from the rack 301 and thus releasing the displacement restriction on the outer frame 2 of the sliding door.
[0046] like Figure 1 As shown, in one embodiment, the upper end of the smooth door outer frame 2 is slidably connected to the box frame 1 via an upper sliding component 13, and the lower end of the smooth door outer frame 2 is slidably connected to the box frame 1 via a lower sliding component 14. This structure ensures the accurate sliding of the smooth door outer frame 2 and its stability during sliding displacement.
[0047] like Figures 7 to 9As shown, in one embodiment, the upper sliding assembly 13 includes an upper guide rod 1301 disposed on the housing frame 1 and a plurality of concave pulleys 1302 rotatably connected to the upper end of the smooth door outer frame 2, the annular groove of the concave pulley 1302 engaging with the upper guide rod 1301; the lower sliding assembly 14 includes a lower guide rod 1401 disposed on the housing frame 1 and a plurality of sliders 1402 disposed at the lower end of the smooth door outer frame 2, the sliders 1402 slidably connected to the lower guide rod 1401. This structure provides a stable and flexible sliding guide for the upper end of the smooth door outer frame 2, reducing friction during sliding and ensuring smooth door sliding; simultaneously, the upper guide rod 1301, located within the annular groove, provides axial positioning relative to the concave pulleys 1302; the lower sliding assembly 14 cooperates with the upper sliding assembly 13 to jointly ensure stable sliding of the smooth door outer frame 2 and the door from both ends, enabling the door to open and close smoothly under normal working conditions.
[0048] In one embodiment, the guide wheel 8 is a bearing. Specifically, the bearing can be installed on the sealing door 4 in any existing manner, as long as it can move within the folded guide hole 10 and drive the sealing door 4 to move.
[0049] like Figure 1 As shown, in one embodiment, the limiting frame 7 includes a mounting bracket 701 disposed on the housing frame 1, and limiting wheels 702 disposed on the mounting bracket 701. With this structure, when the sealing door 4 moves to the housing opening, the limiting wheels 702 on the limiting frame 7 contact the side wall of the sealing door 4 through the limiting through-hole of the smooth door outer frame 2. As the smooth door outer frame 2 continues to move, the limiting wheels 702 abut against the sealing door 4, limiting its parallel displacement; and the limiting wheels 702 reduce friction when the sealing door 4 moves vertically.
[0050] In one embodiment, both the support wheel 9 and the limiting wheel 702 are bullseye ball bearings. The bullseye ball bearings can be installed in their respective positions using any existing method, as long as the corresponding technical principle is achieved. This structure significantly reduces friction between the support wheel 9 and the limiting wheel 702 and the contacting components, making the movement of the sealing door 4 smoother.
[0051] like Figures 1 to 14As shown, a method of using a sealed door is described. The sealed door 4 is supported by support rollers and a limiting frame 6. When the drive mechanism 3 is activated, it drives the smooth door frame 2 to slide on the box frame 1, which in turn moves the door. When the sealed door 4 moves to the corresponding position at the box opening, the limiting frame 7 passes through the limiting through hole and abuts against the sealed door 4, preventing it from moving parallel. At this time, the guide wheel 8 guides within the folded guide hole 10. As the smooth door frame 2 continues to move parallel, the guide wheel 8 slides from the oblique waist hole to the vertical waist hole, causing the sealed door 4 to press vertically into the box opening, completing the sealing action. The support wheel 9 slides within the plane of the limiting frame 6, ensuring the stable movement of the sealed door 4. Conversely, the drive mechanism 3 drives the smooth door frame 2 to move in the opposite direction, thereby enabling the smooth door frame 2 to drive the sealed door 4 to open the box, exposing the box opening.
[0052] During the movement of the outer frame 2 of the smooth door, when an obstruction appears between the anti-pinch outer plate 1601 and the outer shell installed on the box frame 1, or between the anti-pinch outer plate 1601 and the box, the travel of the anti-pinch outer plate 1601 is restricted. While the outer frame 2 of the smooth door continues to move, the anti-pinch outer plate 1601 moves along the outer plate guide push mechanism 1603 toward the limit switch 1604 and drives the limit switch 1604 to move. At this time, the limit switch 1604 sends a signal to the controller of the control drive mechanism 3 to control the drive mechanism 3 to stop driving the outer frame 2 of the smooth door to move, or to drive the outer frame 2 of the smooth door to move in the opposite direction.
[0053] In one embodiment, under normal operating conditions, the geared motor 302 is energized and drives the output shaft and transmission gear 303 to rotate. The transmission gear 303 meshes with the rack 301 on the outer frame 2 of the sliding door, thereby driving the outer frame 2 and the door body to slide laterally along the upper sliding assembly 13 and the lower sliding assembly 14, realizing the normal opening and closing operation of the door body. At this time, the elastic support member 1501 is in a naturally extended state, providing outward support force for the transmission gear 303, ensuring that the transmission gear 303 and the rack 301 maintain stable meshing. When the equipment experiences a power outage or the drive mechanism 3 malfunctions, the operator manually pushes the transmission gear 303 inward to resume operation. Gear 303 slides inward on the output shaft against the elastic force of the elastic support 1501, causing the transmission gear 303 to disengage from the rack 301. At this time, the smooth door frame 2 and the door body are no longer restricted by the displacement of the transmission gear 303 meshing with the rack 301. The operator can manually push the smooth door frame 2 to slide it laterally along the upper sliding assembly 13 and the lower sliding assembly 14, thereby opening the door body and taking out the medical device inside the box. After the operation is completed, the transmission gear 303 is released. Under the action of the spring force, the transmission gear 303 automatically resets and restores its initial position relationship with the rack 301, preparing for normal use next time.
[0054] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge or conventional technology in the art. Therefore, the present invention will not explain the control method and circuit connection in detail.
[0055] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.
Claims
1. A sealed door body, characterized in that: It includes a box frame, a smooth door outer frame slidably connected to the box frame at both ends, a drive mechanism disposed on the box frame for driving the smooth door outer frame to reciprocate sliding displacement, a fault-free mechanism disposed on the drive mechanism, a door body installed on the smooth door outer frame, and an anti-pinch mechanism disposed on the smooth door outer frame. The door body includes a sealed door, two guide plates located at both ends of the sealed door and arranged parallel to the outer frame of the smooth door, a limiting frame corresponding to the outer side of the guide plates and arranged parallel to the outer frame of the smooth door, and a limiting frame arranged on the box frame to limit the ultimate displacement of the sealed door. Multiple guide wheels and multiple support wheels are provided at both the upper and lower ends of the sealed door. The guide plates on the same side have folded guide holes that cooperate with the guide wheels and supporting through holes for the support wheels to pass through. The support wheels pass through the cooperating through holes and are supported on the inner plane of the limiting frame. A first limiting through hole that cooperates with the limiting frame is provided on the outer frame of the smooth door. The anti-pinch mechanism includes an anti-pinch outer plate, two sets of switch frames respectively disposed on the upper end of the outer frame of the smooth door and on the lower end of the limiting frame, each set of switch frames is provided with an outer plate guide and push mechanism, and each set of switch frames is provided with a limit switch; the outer plate is provided with a second limiting through hole that cooperates with the limiting frame.
2. A sealing door body according to claim 1, characterized in that: The drive mechanism includes a rack mounted on the outer frame of the smooth door, a geared motor mounted on the housing frame, and a transmission gear axially slidably mounted on the output shaft of the geared motor and meshing with the rack; the fault-free mechanism is mounted on the output shaft of the geared motor and is used to push outward and support the transmission gear.
3. A sealing door body according to claim 2, characterized in that: The fault-free mechanism includes a limiting plate disposed on the output shaft of the geared motor, an elastic support member disposed between the transmission gear and the limiting plate, a gear baffle disposed at the outer end of the output shaft of the geared motor to prevent the transmission gear from falling off, and a spline disposed between the transmission gear and the output shaft of the geared motor.
4. A sealing door body according to claim 1, characterized in that: The upper end of the smooth door outer frame is slidably connected to the box frame via an upper sliding component, and the lower end of the smooth door outer frame is slidably connected to the box frame via a lower sliding component.
5. A sealing door body according to claim 4, characterized in that: The upper sliding assembly includes an upper guide rod disposed on the box frame and a plurality of concave pulleys rotatably connected to the upper end of the smooth door outer frame, wherein the annular grooves of the concave pulleys cooperate with the upper guide rod; the lower sliding assembly includes a lower guide rod disposed on the box frame and a plurality of sliders disposed at the lower end of the smooth door outer frame, wherein the sliders are slidably connected to the lower guide rod.
6. A sealing door body according to claim 1, characterized in that: The guide wheel uses bearings.
7. A sealing door body according to claim 1, characterized in that: The limiting frame includes a mounting bracket disposed on the housing frame and limiting wheels disposed on the mounting bracket.
8. A sealing door body according to claim 7, characterized in that: Both the support wheel and the limiting wheel are made of bullseye ball bearings.
9. A method of using a sealed door, characterized in that: The sealing door is supported by support wheels and a limiting bracket. The drive mechanism is activated to drive the smooth door frame to slide on the box frame, which in turn drives the door to move. When the sealing door moves to the corresponding position at the box opening, the limiting bracket passes through the first and second limiting through holes and abuts against the sealing door, preventing it from moving parallel. At this time, the guide wheel guides in the folded guide hole. As the smooth door frame continues to move parallel, the guide wheel slides from the oblique waist hole to the vertical waist hole, causing the sealing door to press vertically into the box opening, completing the sealing action. The support wheel slides in the plane inside the limiting bracket to ensure the stability of the sealing door's movement. Conversely, the drive mechanism drives the smooth door frame to move in the opposite direction, thereby enabling the smooth door frame to drive the sealing door to open the box and expose the box opening. During the movement of the smooth door frame, if an obstruction appears between the anti-pinch outer plate and the outer shell installed on the box frame, or between the anti-pinch outer plate and the box, the travel of the anti-pinch outer plate is restricted. While the smooth door frame continues to move, the anti-pinch outer plate moves along the outer plate guide push mechanism toward the limit switch and drives the limit switch to move. At this time, the limit switch sends a signal to the controller that controls the drive mechanism, controlling the drive mechanism to stop moving the smooth door frame, or to move the smooth door frame in the opposite direction.
10. The method of use according to claim 9, characterized in that: Under normal operating conditions, the geared motor drives the smooth door frame to slide laterally. At this time, the elastic support is in a naturally extended state, providing outward support force for the transmission gear. When the equipment experiences a power outage or a drive mechanism malfunction, the operator manually pushes the transmission gear inward. The transmission gear slides inward on the output shaft against the elastic force of the elastic support, causing the transmission gear to disengage from the rack. At this time, the smooth door frame and door body are no longer restricted by the displacement of the transmission gear and rack. The operator can manually push the smooth door frame to slide laterally, thereby opening the door. After the operation is completed, the transmission gear is released, and under the action of the spring force, the transmission gear automatically resets and resumes its meshing with the rack.