Energy-saving steam sterilizer
Patent Information
- Application Number
- CN202522450424.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-19
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-11-19
AI Technical Summary
In existing steam sterilizers, the rising steam causes the gap between the cover and the tank to widen, leading to steam leakage and rapid heat loss, which increases energy consumption and wastes energy.
The linkage fastening assembly, consisting of an L-shaped frame, locking blocks, locking grooves, and pins, combined with the design of spiral heating elements and insulation components, forms a dynamic sealing structure. The steam flow rate is slowed down by the steam buffer tank and the collection chamber, which achieves a stable fixation between the cover plate and the machine. The combined design of the spiral heating elements and insulation components forms a fully enclosed insulation layer, reducing heat loss.
This achieves a stable connection between the cover plate and the tank body, reduces steam leakage, improves sterilization efficiency, and reduces energy consumption, thus achieving energy-saving results.
Smart Images

Figure CN224925408U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of steam sterilizer technology, specifically an energy-saving steam sterilizer. Background Technology
[0002] Steam sterilizers are specialized equipment that utilizes high-temperature, high-pressure saturated steam to penetrate the interior of objects, destroying the protein and nucleic acid structures of microorganisms and achieving highly efficient sterilization. Their core principle is based on the release of a large amount of latent heat during steam condensation, rapidly raising the temperature of the items being sterilized and killing various pathogenic microorganisms such as bacteria, spores, and fungi. Depending on their structure and function, they can be categorized into various types, including handheld, vertical, and horizontal models. Handheld models are compact and flexible, suitable for small laboratories, while vertical and horizontal models have larger capacities and are commonly used in hospital supply rooms, pharmaceutical factories, and other similar locations. With their advantages of thorough sterilization, no chemical residue, and ease of operation, steam sterilizers are widely used in medical device disinfection, pharmaceutical production, food processing, and other fields, serving as crucial equipment for ensuring public health safety and product quality.
[0003] For example, patent CN216566270U discloses a steam sterilizer, including a base and a sterilizing vessel. The sterilizing vessel is fixedly installed on the upper end of the base, and a groove is formed at the front end of the base. A rotating plate is rotatably connected to the upper end of the groove, and a fixing plate is rotatably connected to the lower end of the rotating plate. A pair of electric actuators are fixedly connected to the lower end of the fixing plate, and a push-pull plate is fixedly connected to the output end of the electric actuators. However, in the use of the existing device, during steam sterilization, the rising steam causes the gap between the cover plate and the vessel to widen, resulting in steam leakage and rapid heat loss. This necessitates continuous energy consumption to maintain the temperature and pressure required for sterilization, further increasing energy consumption and causing significant energy waste.
[0004] Therefore, in order to solve this problem, we propose an energy-saving steam sterilizer. Utility Model Content
[0005] The purpose of this invention is to provide an energy-saving steam sterilizer to solve the problem mentioned in the background art. In the process of using the existing device, the rising steam causes the gap between the cover plate and the tank to become larger and larger, resulting in steam leakage and rapid loss of steam heat. This leads to the need to continuously consume energy to maintain the temperature and pressure required for sterilization, further increasing energy consumption and causing a large amount of energy waste.
[0006] To achieve the above objectives, this utility model provides the following technical solution: an energy-saving steam sterilizer, comprising a tank and a base fixedly connected to the bottom of the tank, a cover plate provided on the top of the tank, side blocks evenly fixedly connected to the outer wall of the tank, an L-shaped frame rotatably connected to the side blocks, a first mounting block movably connected above the L-shaped frame, support blocks symmetrically arranged at the bottom of the first mounting block about the central axis of the first mounting block, locking blocks fixedly connected to the outer wall of the support blocks, springs fixedly connected between the support blocks, and a second mounting block evenly fixedly connected to the top of the cover plate, with a locking groove provided on the inner wall of the groove on the second mounting block.
[0007] Furthermore, a pin is connected through the second mounting block, and the pin passes through the support block, and the first mounting block and the second mounting block are fixedly connected by the pin.
[0008] Furthermore, a temperature control cavity is provided on the tank body, and a spiral heating element is spirally wound on the inner wall of the temperature control cavity.
[0009] Furthermore, the temperature control cavity on the tank is provided with a heat insulation component, and the outer wall of the heat insulation component is in close contact with the inner wall of the temperature control cavity.
[0010] Furthermore, a steam buffer groove is provided at the bottom of the cover plate, and a collection cavity is provided on the inner wall of the steam buffer groove. A sealing element is fixedly connected to the bottom of the cover plate, and the sealing element is made of rubber.
[0011] Furthermore, the locking block is located within the locking groove, and the first mounting block and the second mounting block are connected by locking the locking block and the locking groove.
[0012] Furthermore, a handle is fixedly connected to the center of the top surface of the cover plate, and a sealing groove is provided on the top of the tank, with the sealing element adapted to the sealing groove on the top of the tank.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This energy-saving steam sterilizer adopts a novel structural design, the specific details of which are as follows: (1) The energy-saving steam sterilizer achieves dynamic sealing and fixing of the cover plate and the top of the tank through a linkage fastening assembly consisting of an L-shaped frame, a first mounting block, a support block, a locking block, a locking groove and a pin. The L-shaped frame is rotatably connected to the side block on the outer wall of the tank. Its top end is connected to the second mounting block on the top of the cover plate through the first mounting block. The locking block on the support block is embedded in the locking groove of the second mounting block to form an initial mechanical locking position and bear the vertical load of the cover plate. The pin passes through the support block and the second mounting block to form a rigid connecting shaft, preventing the locking structure from laterally disengaging when the steam pressure fluctuates, and ensuring that the entire fastening assembly remains stable under dynamic pressure.
[0014] (2) The energy-saving steam sterilizer has a spiral heating element and a heat insulation element installed in the temperature control cavity of the tank. The spiral winding structure is arranged to fit the inner wall of the temperature control cavity. Compared with the traditional linear heating element, its heat conduction path is extended by many times, which can achieve heat conduction without dead angles. After being powered on, the spiral heating element radiates heat into the tank with a uniform heat flux density, so that the temperature field distribution deviation in the cavity is controlled within a suitable temperature, avoiding energy waste caused by local overheating or cold areas. The heat insulation element is made of a material with low thermal conductivity and fits tightly against the inner wall of the temperature control cavity to form a fully wrapped heat insulation layer.
[0015] Furthermore, the steam buffer tank and collection chamber at the bottom of the cover can slow down the rising speed of steam. The structure inside the steam buffer tank slows down the steam flow rate, reducing the impact force on the cover. Some condensate or residual steam can be collected in the collection chamber, preventing direct dripping and affecting the sterilized items. At the same time, it reduces the possibility of steam leakage from the edge of the cover. The collection chamber collects the condensate generated by the steam, reducing the direct impact on the cover. Combined with the matching design of the sealing element (rubber material) and the sealing groove on the top of the tank, a double sealing structure is formed, further preventing steam leakage, improving sterilization efficiency and saving energy. Attached Figure Description
[0016] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the exploded structure of this utility model; Figure 3 This is a three-dimensional schematic diagram of the connecting component of this utility model; Figure 4 This is an exploded view of the connecting component of this utility model; Figure 5 This is a three-dimensional cross-sectional view of the second mounting component of this utility model; Figure 6 This is a three-dimensional cross-sectional view of the tank body of this utility model; Figure 7 This is a three-dimensional cross-sectional view of the cover plate of this utility model.
[0017] In the diagram: 1. Tank body; 11. Sealing groove; 12. Spiral heating element; 13. Insulation element; 2. Cover plate; 21. Collection chamber; 22. Sealing element; 3. Side block; 31. L-shaped frame; 32. First mounting block; 33. Support block; 331. Locking block; 332. Spring; 34. Second mounting block; 341. Engaging groove; 35. Pin; 4. Base. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] This utility model provides the following technical solution: an energy-saving steam sterilizer.
[0020] Example 1: An energy-saving steam sterilizer uses components such as an L-shaped frame 31, a locking block 331, and a locking groove 341 to stably fix the cover plate 2 to the top of the tank body 1. This prevents the gap between the cover plate 1 and the tank body 1 from widening due to rising steam, thus avoiding steam leakage and rapid heat loss. Figure 1 - Figure 5 As shown, an energy-saving steam sterilizer includes a tank body 1 and a base 4 fixedly connected to the bottom of the tank body 1. A cover plate 2 is provided on the top of the tank body 1. Side blocks 3 are evenly fixedly connected to the outer wall of the tank body 1. An L-shaped frame 31 is rotatably connected to the side blocks 3. A first mounting block 32 is movably connected above the L-shaped frame 31. Support blocks 33 are symmetrically arranged at the bottom of the first mounting block 32 about its central axis. A locking block 331 is fixedly connected to the outer wall of the support block 33. The support blocks 33 are fixedly connected to each other. A spring 332 is connected to the top of the cover plate 2, and a second mounting block 34 is uniformly fixedly connected to it. A locking groove 341 is provided on the inner wall of the groove on the second mounting block 34. A pin 35 is connected through the second mounting block 34 and passes through the support block 33. The first mounting block 32 and the second mounting block 34 are fixedly connected by the pin 35. The locking block 331 is located in the locking groove 341, and the first mounting block 32 and the second mounting block 34 are engaged and connected by the locking block 331 and the locking groove 341.
[0021] First, rotate the L-shaped bracket 31 on the side block 3 so that it is lifted upward with the side block 3 as the fulcrum and aligned with the second mounting block 34 on the top of the cover plate 2. Push the first mounting block 32 to move towards the second mounting block 34 and fit together. During this process, the locking block 331 on the support block 33 contacts the inclined surface at the entrance of the locking groove 341 of the second mounting block 34. Due to the squeezing force, it produces a slight elastic deformation, which in turn compresses the spring 332 between the support blocks 33, allowing the locking block 331 to slide smoothly into the locking groove 341. When the locking block 331 is fully embedded in the locking groove 341, the elastic restoring force of the spring 332 pushes the support block 33, so that the locking block 331 is tightly abutted against the groove wall of the locking groove 341. At this time, align the pin 35 with the through hole on the support block 33 and the second mounting block 34 and insert it through the support block 33 and the second mounting block 34 to form a rigid connection, and firmly fix the first mounting block 32 and the second mounting block 34, thereby achieving a stable connection of the cover plate 2.
[0022] Example 2: Unlike Example 1, the two sets of sealing grooves 11 and sealing elements 22 are used in conjunction to prevent steam leakage inside the tank 1, thus preventing energy loss. Figures 6-7 As shown, a temperature control chamber is provided on the tank body 1, and a spiral heating element 12 is spirally wound on the inner wall of the temperature control chamber. A heat insulation element 13 is provided inside the temperature control chamber on the tank body 1, and the outer wall of the heat insulation element 13 is in close contact with the inner wall of the temperature control chamber. A steam buffer groove is provided at the bottom of the cover plate 2, and a collection chamber 21 is provided on the inner wall of the steam buffer groove. A sealing element 22 is fixedly connected to the bottom of the cover plate 2. The material of the sealing element 22 is rubber. A handle is fixedly connected to the middle of the top surface of the cover plate 2. A sealing groove 11 is provided at the top of the tank body 1, and the sealing element 22 is adapted to the sealing groove 11 at the top of the tank body 1.
[0023] The cover plate 2 is placed on top of the tank 1, so that the sealing element 22 is embedded in the sealing groove 11, initially forming a seal. After the spiral heating element 12 is energized, it spirally winds around the temperature control cavity, uniformly heating the air inside the tank 1 and generating high-temperature steam. The insulation element 13, such as insulation cotton, wraps the inner wall of the temperature control cavity, reducing the heat conduction to the outside, keeping the temperature inside the tank 1 within the range required for sterilization, reducing the working frequency of the heating element, and achieving energy saving. When the steam generated inside the tank 1 rises to the bottom of the cover plate 2, it first enters the steam buffer tank. The structure inside the tank slows down the steam flow rate and reduces the impact force on the cover plate 2. Some condensate or residual steam can be collected in the collection chamber 21 to avoid direct dripping and affecting the sterilized items, while also reducing the possibility of steam leakage from the edge of the cover plate 2.
[0024] The above is the entire working process of the device, and all contents not described in detail in this specification are existing technologies known to those skilled in the art.
[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An energy-saving steam sterilizer, comprising a tank (1) and a base (4) fixedly connected to the bottom of the tank (1), characterized in that: The top of the tank (1) is provided with a cover plate (2), and side blocks (3) are uniformly fixedly connected to the outer wall of the tank (1). An L-shaped frame (31) is rotatably connected to the side blocks (3). A first mounting block (32) is movably connected above the L-shaped frame (31). Support blocks (33) are symmetrically arranged at the bottom of the first mounting block (32) about the central axis of the first mounting block (32). A locking block (331) is fixedly connected to the outer wall of the support block (33). A spring (332) is fixedly connected between the support blocks (33). A second mounting block (34) is uniformly fixedly connected to the top of the cover plate (2). A locking groove (341) is opened on the inner wall of the groove on the second mounting block (34).
2. The energy-saving steam sterilizer according to claim 1, characterized in that: A pin (35) is connected through the second mounting block (34), and the pin (35) passes through the support block (33). The first mounting block (32) and the second mounting block (34) are fixedly connected by the pin (35).
3. The energy-saving steam sterilizer according to claim 1, characterized in that: A temperature control cavity is provided on the tank (1), and a spiral heating element (12) is spirally wound on the inner wall of the temperature control cavity.
4. The energy-saving steam sterilizer according to claim 1, characterized in that: The temperature control cavity of the tank (1) is provided with a heat insulation component (13), and the outer wall of the heat insulation component (13) is in contact with the inner wall of the temperature control cavity.
5. An energy-saving steam sterilizer according to claim 1, characterized in that: The bottom of the cover plate (2) is provided with a steam buffer groove, and the inner wall of the steam buffer groove is provided with a collection chamber (21). The bottom of the cover plate (2) is fixedly connected with a sealing element (22), and the material of the sealing element (22) is rubber.
6. An energy-saving steam sterilizer according to claim 1, characterized in that: The locking block (331) is located in the locking groove (341), and the first mounting block (32) and the second mounting block (34) are engaged and connected to the locking groove (341) through the locking block (331).
7. An energy-saving steam sterilizer according to claim 1, characterized in that: A handle is fixedly connected to the middle of the top surface of the cover plate (2), and a sealing groove (11) is opened on the top of the tank body (1), and the sealing element (22) is adapted to the sealing groove (11) on the top of the tank body (1).
Citation Information
Patent Citations
Steam sterilizer
CN216566270U
