A vertical pressure steam sterilizer

Abstract

This utility model relates to the field of steam sterilizer technology, specifically a vertical pressure steam sterilizer, including a sterilizer body, a guide rod, a connecting mechanism, an adjusting mechanism, and a safety mechanism. A sealing cover is detachably connected to the top of the sterilizer body, and a sealing ring is fixedly connected to the sealing cover. The sterilizer body has a guide groove adapted to the guide rod. Multiple connecting mechanisms are provided, connecting to the sealing cover for connection between the sealing cover and the sterilizer body. The adjusting mechanism is located on the sealing cover. The safety mechanism is located on the sealing cover, with one end penetrating the sealing cover and contacting the adjusting mechanism to limit its movement. This utility model, through the linkage of the locking block and locking spring in the connecting mechanism, quickly achieves the connection between the sealing cover and the sterilizer body, ensuring a tight connection between them, adapting to internal pressure changes, and avoiding the passive safety risk of pressure forcing open the cabinet door.

Description

Technical Field

[0001] This utility model relates to the field of steam sterilizer technology, specifically to a vertical pressure steam sterilizer. Background Technology

[0002] A sterilizer is a device that uses pressurized saturated steam to rapidly and reliably disinfect and sterilize items. It is suitable for medical and health institutions, scientific research units, agriculture, and other organizations. It is used to disinfect and sterilize medical devices, dressings, glassware, and culture media. It is also suitable for use as a steaming device in high-altitude areas and for enterprises and institutions to produce high-quality drinking water. It can also be used as a source of high-temperature steam.

[0003] Chinese Patent No. CN205019452U discloses a horizontal rectangular sterilization cabinet, including a cabinet body with a sterilization chamber inside. The top of the cabinet body has a first pressurized steam inlet pipe and a second pressurized steam inlet pipe, while the bottom of the cabinet body has a first air exhaust pipe and a second air exhaust pipe. The cabinet body also has a first pressure gauge for measuring the internal pressure of the sterilization cabinet, a second pressure gauge for measuring the internal pressure of the sterilization chamber, and a pressure-indicating thermometer for measuring the internal temperature of the sterilization chamber. An exhaust hood connected to an external ventilation system is located above the cabinet door. The bottom of the sterilization chamber also has tracks for facilitating the entry and exit of medicine racks. This invention features a simple structure, low cost, wide applicability, and better ventilation.

[0004] However, the above technical solutions have the following shortcomings: due to the relatively simple connection structure between the cabinet door and the cabinet body, the simple connection structure between the cabinet door and the cabinet body cannot adapt to the working conditions of pressure changes inside the cabinet. There is both a passive safety risk of pressure forcing the cabinet door open and an active operational risk of burns from forced opening. This seriously restricts the safety and reliability of the equipment and makes it difficult to meet the technical requirements of "high pressure resistance and safe operation" for sealed cabinets in industrial production. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background technology by proposing a vertical pressure steam sterilizer.

[0006] The technical solution of this utility model: a vertical pressure steam sterilizer, comprising: The sterilizer body has a detachable sealing cover on its top, and a sealing ring is fixedly connected to the bottom of the sealing cover. The sterilizer body has multiple guide rods, which are fixedly connected to the sealing ring. The sterilizer body has guide grooves that are compatible with the guide rods. The connecting mechanism is provided in multiple sets, and the connecting mechanism is connected to the sealing cover for the connection between the sealing cover and the sterilizer body; An adjustment mechanism is provided on the sealing cover. The adjustment mechanism passes through the sealing cover and extends to the other side of the sealing cover. The adjustment mechanism is connected to the connecting mechanism to drive the connecting mechanism to move. A safety mechanism is installed on the sealing cover, with one end of the safety mechanism penetrating the sealing cover and contacting the adjustment mechanism to limit the movement of the adjustment mechanism.

[0007] Preferably, each connection mechanism includes a mounting box, a movable plate, a snap-fit ​​block, and a transmission assembly; the mounting box is fixedly connected to the sealing cover, the movable plate is slidably disposed inside the mounting box, one end of the snap-fit ​​block is movably disposed inside the mounting box and fixedly connected to the movable plate, the other end of the snap-fit ​​block passes through the mounting box and the sealing ring and extends to the outside of the sealing ring, the inner wall of the sterilizer body is provided with a snap-fit ​​groove adapted to the snap-fit ​​block, and one end of the transmission assembly is connected to the adjustment mechanism.

[0008] Preferably, the transmission assembly includes a transmission rod, a linkage rod, and a locking spring; one end of the transmission rod is disposed inside the mounting box and fixedly connected to the movable plate, the other end of the transmission rod passes through the mounting box and extends to the outside of the mounting box, one end of the linkage rod is rotatably connected to the transmission rod, the other end of the linkage rod is connected to the adjustment mechanism, the locking spring is disposed inside the mounting box, and one end of the locking spring is connected to the movable plate.

[0009] Preferably, the adjustment mechanism includes a mounting shaft, a mounting plate, an adjustment plate, and an adjustment handle; the mounting shaft passes through the sealing cover and is rotatably connected to the sealing cover, the mounting plate is fixedly connected to the mounting shaft, the linkage rod is rotatably connected to the mounting plate, the adjustment plate is located on the other side of the sealing cover and is fixedly connected to the mounting shaft, and the adjustment handle is fixedly connected to the adjustment plate.

[0010] Preferably, the safety mechanism includes an mounting cylinder, a piston, a push rod, and a return spring; the mounting cylinder is fixedly connected to the sealing cover, the piston is slidably disposed inside the mounting cylinder, one end of the push rod is disposed inside the mounting cylinder and fixedly connected to the piston, the other end of the push rod passes through the mounting cylinder and the sealing cover and extends to the outside of the sealing cover, the adjusting plate has a limiting groove adapted to the push rod, the return spring is disposed inside the mounting cylinder, one end of the return spring is connected to the sealing cover, and the other end of the return spring is connected to the piston.

[0011] Preferably, the surface of the sterilizer body is provided with an operation panel, and the operation panel is provided with a pressure gauge to display the internal pressure of the sterilizer body.

[0012] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial technical effects: This invention utilizes the linkage of a locking block and a locking spring in the connecting mechanism to quickly connect the sealing cover to the sterilizer body, ensuring a tight connection between them. This adapts to varying internal pressure conditions and avoids the passive safety risk of pressure forcing the cabinet door open. When pressurized steam is generated inside the sterilizer body, the safety mechanism pushes a push rod into the limiting groove of the adjusting plate, restricting the movement of the adjusting mechanism and eliminating the risk of burns from forced opening under high pressure. The sealing cover can only be opened when the internal pressure drops and the push rod returns to its original position, ensuring operational safety. Attached Figure Description

[0013] Figure 1 This is a perspective view of one embodiment of the present invention; Figure 2 This is a perspective view of the sterilizer body in one embodiment of the present invention; Figure 3 This is a perspective view of the sealing cap in one embodiment of the present invention; Figure 4 This is a cross-sectional view of the sealing cap in one embodiment of the present invention; Figure 5 This utility model Figure 4 A magnified view of a section at point A in the middle; Figure 6 This utility model Figure 4 A magnified view of a section at point B in the middle; Reference numerals in the attached drawings: 1. Sterilizer body; 2. Sealing cover; 31. Mounting box; 32. Movable plate; 331. Transmission rod; 332. Linkage rod; 333. Snap-fit ​​spring; 34. Snap-fit ​​block; 35. Snap-fit ​​groove; 41. Mounting shaft; 42. Mounting plate; 43. Adjusting plate; 44. Adjusting handle; 51. Mounting cylinder; 52. Piston; 53. Top rod; 54. Return spring; 55. Limiting groove; 6. Sealing ring; 7. Guide rod; 8. Guide groove; 9. Operation panel; 10. Pressure gauge. Detailed Implementation

[0014] Example 1; as Figure 1-6 As shown, the present invention proposes a vertical pressure steam sterilizer, which includes a sterilizer body 1, a guide rod 7, a connecting mechanism, an adjusting mechanism, and a safety mechanism. The top of the sterilizer body 1 is detachably connected to a sealing cover 2. The bottom of the sealing cover 2 is fixedly connected to a sealing ring 6. A sealing gasket is detachably connected to the bottom of the sealing cover 2 and outside the sealing ring 6. An operation panel 9 is provided on the surface of the sterilizer body 1. A pressure gauge 10 is provided on the operation panel 9 to display the internal pressure of the sterilizer body 1.

[0015] Multiple guide rods 7 are provided, and the guide rods 7 are fixedly connected to the sealing ring 6. The sterilizer body 1 has a guide groove 8 that matches the guide rods 7. Multiple connecting mechanisms are provided. The connecting mechanism is connected to the sealing cover 2 for connecting the sealing cover 2 and the sterilizer body 1. The adjusting mechanism is provided on the sealing cover 2. The adjusting mechanism passes through the sealing cover 2 and extends to the other side of the sealing cover 2. The adjusting mechanism is connected to the connecting mechanism for driving the connecting mechanism to move. The safety mechanism is provided on the sealing cover 2. One end of the safety mechanism passes through the sealing cover 2 and contacts the adjusting mechanism to limit the movement of the adjusting mechanism.

[0016] Example 2; as Figure 3-6 As shown, this utility model proposes a vertical pressure steam sterilizer. Compared with Embodiment 1, this embodiment further discloses the structure of the connecting mechanism. Each connecting mechanism includes a mounting box 31, a movable plate 32, a snap-fit ​​block 34, and a transmission assembly. The mounting box 31 is fixedly connected to the sealing cover 2. The movable plate 32 is slidably disposed within the mounting box 31. One end of the snap-fit ​​block 34 is movably disposed within the mounting box 31 and fixedly connected to the movable plate 32. The other end of the snap-fit ​​block 34 passes through the mounting box 31 and the sealing ring 6 and extends to the outside of the sealing ring 6. The inner wall of the sterilizer body 1 has a connection for the snap-fit ​​block. The connecting block 34 has a matching snap-fit ​​groove 35. One end of the transmission component is connected to the adjustment mechanism. The transmission component includes a transmission rod 331, a linkage rod 332, and a snap-fit ​​spring 333. One end of the transmission rod 331 is set inside the mounting box 31 and fixedly connected to the movable plate 32. The other end of the transmission rod 331 passes through the mounting box 31 and extends to the outside of the mounting box 31. One end of the linkage rod 332 is rotatably connected to the transmission rod 331. The other end of the linkage rod 332 is connected to the adjustment mechanism. The snap-fit ​​spring 333 is set inside the mounting box 31. One end of the snap-fit ​​spring 333 is connected to the movable plate 32.

[0017] Example 3; as Figure 3-4 As shown, the present invention discloses a vertical pressure steam sterilizer. Compared with Embodiment 2, this embodiment further discloses the structure of the adjustment mechanism. The adjustment mechanism includes a mounting shaft 41, a mounting plate 42, an adjustment plate 43, and an adjustment handle 44. The mounting shaft 41 passes through the sealing cover 2 and is rotatably connected to the sealing cover 2. The mounting plate 42 is fixedly connected to the mounting shaft 41. The linkage rod 332 is rotatably connected to the mounting plate 42. The adjustment plate 43 is located on the other side of the sealing cover 2 and is fixedly connected to the mounting shaft 41. The adjustment handle 44 is fixedly connected to the adjustment plate 43.

[0018] Example 4; as Figure 3-5As shown, the present invention discloses a vertical pressure steam sterilizer. Compared with Embodiment 3, this embodiment also specifically discloses the structure of the safety mechanism. The safety mechanism includes an installation cylinder 51, a piston 52, a push rod 53, and a return spring 54. The installation cylinder 51 is fixedly connected to the sealing cover 2. The piston 52 is slidably disposed inside the installation cylinder 51. One end of the push rod 53 is disposed inside the installation cylinder 51 and fixedly connected to the piston 52. The other end of the push rod 53 passes through the installation cylinder 51 and the sealing cover 2 and extends to the outside of the sealing cover 2. The adjusting plate 43 has a limiting groove 55 adapted to the push rod 53. The return spring 54 is disposed inside the installation cylinder 51. One end of the return spring 54 is connected to the sealing cover 2, and the other end of the return spring 54 is connected to the piston 52.

[0019] In use, the material to be sterilized is placed into the sterilizer body 1, the sealing cover 2 is closed, and the locking block 34 is inserted into the locking groove 35 under the action of the locking spring 333, completing the connection between the sealing cover 2 and the sterilizer body 1. The sterilizer body 1 generates steam to sterilize the internal material. When pressurized steam is generated inside the sterilizer body 1, the pressurized steam pushes the piston 52 to overcome the force of the return spring 54 and pushes the top rod 53 into the limiting groove 55 of the adjusting plate 43, limiting and fixing the adjusting plate 43 to prevent the sealing cover 2 from being opened accidentally. After sterilization, the pressure inside the sterilizer body 1 drops, and the return spring 54 pushes the piston 52 and the top rod 53 to reset. The top rod 53 loses its limiting effect on the adjusting plate 43. Rotating the adjusting handle 44 drives the mounting plate 42 to rotate through the adjusting plate 43 and the mounting shaft 41. The rotation of the mounting plate 42 drives the locking block 34 to move away from the locking groove 35 through the linkage rod 332, the transmission rod 331 and the movable plate 32, so that the sealing cover 2 can be opened.

[0020] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A vertical pressure steam sterilizer, characterized in that, include: The sterilizer body (1) has a detachable sealing cover (2) on its top and a sealing ring (6) fixedly connected to the bottom of the sealing cover (2). The guide rod (7) is provided in multiple ways. The guide rod (7) is fixedly connected to the sealing ring (6). The sterilizer body (1) is provided with a guide groove (8) that is compatible with the guide rod (7). The connecting mechanism is provided in multiple sets. The connecting mechanism is connected to the sealing cover (2) for the connection between the sealing cover (2) and the sterilizer body (1). An adjustment mechanism is provided on the sealing cover (2). The adjustment mechanism passes through the sealing cover (2) and extends to the other side of the sealing cover (2). The adjustment mechanism is connected to the connecting mechanism to drive the connecting mechanism to move. A safety mechanism is provided on the sealing cover (2), one end of which penetrates the sealing cover (2) and contacts the adjustment mechanism to limit the movement of the adjustment mechanism.

2. A vertical pressure steam sterilizer according to claim 1, characterized in that, Each connection mechanism includes a mounting box (31), a movable plate (32), a snap-fit ​​block (34), and a transmission assembly. The mounting box (31) is fixedly connected to the sealing cover (2). The movable plate (32) is slidably disposed inside the mounting box (31). One end of the snap-fit ​​block (34) is movably disposed inside the mounting box (31) and fixedly connected to the movable plate (32). The other end of the snap-fit ​​block (34) passes through the mounting box (31) and the sealing ring (6) and extends to the outside of the sealing ring (6). The inner wall of the sterilizer body (1) is provided with a snap-fit ​​groove (35) that matches the snap-fit ​​block (34). One end of the transmission assembly is connected to the adjustment mechanism.

3. A vertical pressure steam sterilizer according to claim 2, characterized in that, The transmission assembly includes a transmission rod (331), a linkage rod (332), and a snap-fit ​​spring (333). One end of the transmission rod (331) is located inside the mounting box (31) and is fixedly connected to the movable plate (32). The other end of the transmission rod (331) passes through the mounting box (31) and extends to the outside of the mounting box (31). One end of the linkage rod (332) is rotatably connected to the transmission rod (331). The other end of the linkage rod (332) is connected to the adjustment mechanism. The snap-fit ​​spring (333) is located inside the mounting box (31). One end of the snap-fit ​​spring (333) is connected to the movable plate (32).

4. A vertical pressure steam sterilizer according to claim 3, characterized in that, The adjustment mechanism includes a mounting shaft (41), a mounting plate (42), an adjustment plate (43), and an adjustment handle (44). The mounting shaft (41) passes through the sealing cover (2) and is rotatably connected to the sealing cover (2). The mounting plate (42) is fixedly connected to the mounting shaft (41). The linkage rod (332) is rotatably connected to the mounting plate (42). The adjustment plate (43) is located on the other side of the sealing cover (2) and is fixedly connected to the mounting shaft (41). The adjustment handle (44) is fixedly connected to the adjustment plate (43).

5. A vertical pressure steam sterilizer according to claim 4, characterized in that, The safety mechanism includes a mounting cylinder (51), a piston (52), a push rod (53), and a return spring (54). The mounting cylinder (51) is fixedly connected to the sealing cover (2). The piston (52) is slidably disposed inside the mounting cylinder (51). One end of the push rod (53) is disposed inside the mounting cylinder (51) and fixedly connected to the piston (52). The other end of the push rod (53) passes through the mounting cylinder (51) and the sealing cover (2) and extends to the outside of the sealing cover (2). The adjusting plate (43) has a limiting groove (55) that matches the push rod (53). The return spring (54) is disposed inside the mounting cylinder (51). One end of the return spring (54) is connected to the sealing cover (2), and the other end of the return spring (54) is connected to the piston (52).

6. A vertical pressure steam sterilizer according to claim 1, characterized in that, An operation panel (9) is provided on the surface of the sterilizer body (1), and a pressure gauge (10) is provided on the operation panel (9) to display the pressure inside the sterilizer body (1).

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