CN2817841Y - Bactericidal box - Google Patents

Abstract

The sterilization box is composed of a box body and a box cover. The box body and the box cover are buckled and fixed by a buckle. The box cover has an outer cover and an inner cover that cooperate with each other. There is a gas buffer cavity between the inner and outer covers. Connected to the outside world, the inner cover is equipped with a two-way vent valve. The two-way vent valve has an upper bonnet with a vent hole and a fixed bonnet. There is an intermediate regulating bonnet between the upper bonnet and the fixed bonnet. Corresponding buckling, the middle regulating bonnet and the upper bonnet are correspondingly matched, the outer bonnet and the fixed bonnet are connected through the connecting rod in the middle, the outer end of the connecting rod is connected to the outer spring seat, and there is a gap between the outer spring seat and the outer bonnet. For the outer spring, an inner spring seat is sleeved on the connecting rod, an inner spring is arranged between the inner spring seat and the outer valve cover, and the lower end of the inner spring seat is fixedly connected with the middle regulating valve cover. The sterilization box can replace the cotton or non-woven wrapping, meet the requirements of sterilization, reusable, easy to use, good sterilization effect, convenient packaging and transportation, and good comprehensive performance.

Description

Sterilization box

technical field

The utility model relates to a sterilization box, which belongs to a sterilization container.

Background technique

Sterilization of items, such as surgical instruments and other items, is generally wrapped in cotton cloth or non-woven fabric, and put directly into the sterilization cabinet for sterilization treatment. The consumption of consumables is large, and they need to be replaced every time they are used, which is troublesome to operate. The use cost is high, this sterilization method is easy to cause secondary pollution, it is also very inconvenient for packaging and transportation, and the sterilization effect cannot be guaranteed for a long time.

Contents of the invention

The purpose of the utility model is to provide a sterilization box, which meets the requirements of sterilization, can be used repeatedly, is convenient to use, has low cost of use, avoids secondary pollution, ensures sterilization effect, and is convenient for packaging and transportation, and is convenient for improving comprehensive performance .

The sterilization box described in the utility model is composed of a box body and a box cover. The box body and the box cover are buckled and fixed by a buckle. The box cover has an outer cover and an inner cover that cooperate with each other, and gas is left between the inner and outer covers. Buffer chamber, the gas buffer chamber communicates with the outside world, the inner cover is equipped with a two-way vent valve, the two-way vent valve has an upper bonnet with a vent hole and a fixed bonnet, there is an intermediate regulating bonnet between the upper bonnet and the fixed bonnet, and the upper valve The edge of the cover is buckled correspondingly with the edge of the fixed bonnet, and the middle regulating bonnet is matched with the upper bonnet. The outer bonnet and the fixed bonnet are connected by the connecting rod in the middle. An outer spring is placed between the outer valve cover, an inner spring seat is sleeved on the connecting rod, an inner spring is arranged between the inner spring seat and the outer valve cover, and the lower end of the inner spring seat is fixedly connected with the middle regulating valve cover.

The edge of the upper bonnet and the edge of the fixed bonnet and the edge of the middle adjusting cover are provided with corresponding buckling curved surfaces on the upper bonnet, which can increase the sealing performance.

The outer cover plays the role of protection and support, and the inner cover is clamped by the gasket and the spring piece in the outer cover. The gas buffer chamber communicates with the outside world and the external environment, and the gas on-off of the inner cover is controlled by a two-way vent valve. In the normal state, under the action of the outer spring, the upper bonnet is tightly pressed on the fixed bonnet, the middle regulating bonnet is tightly attached to the upper bonnet, the vent valve is in a closed state, and the inner and outer sides are blocked. When the air pressure on the outside is greater than the air pressure on the inside, the gas enters from the vent hole of the upper valve cover and moves the middle regulating valve cover inward, the air path is unblocked, and the gas circulates from the outside to the inside until the internal and external pressure is balanced, and the vent valve is closed; when the inside When the air pressure is greater than the outside air pressure, the gas enters through the vent hole of the fixed bonnet and lifts the upper bonnet, breaks away from the fixed bonnet, the gas path is unblocked, and the gas circulates from the inside to the outside until the internal and external pressures are balanced and the vent valve is closed. Satisfied that the sterilization box keeps the environment inside the box consistent with the sterilization environment outside the box throughout the sterilization process, completes complete sterilization, and when the sterilization process is completed, the sterilization box is kept in a closed state to ensure the environment inside the box Isolate from the atmospheric environment to ensure that the sterilized state is maintained. The sterilization box is isolated from the outside air at normal temperature, preventing bacteria, microorganisms and dust in the air from entering the sterilization box, and avoiding secondary pollution to the sterilized items.

The said sterilization box is equipped with a heat-sensitive lock on its clasp, which is convenient for identifying the sterilization status according to the situation of the heat-sensitive lock.

The heat-sensitive lock includes a lock case and a dead bolt, and a temperature-controlled deformation spring and a dead bolt movement damping mechanism are arranged between the dead bolt and the lock case.

After high-temperature sterilization, the temperature-controlled deformation spring stretches, pops out the lock tongue, and locks the upper buckle of the sterilization box; as the sterilization ends, the temperature drops, and the lock tongue moves and damping mechanism keeps the lock tongue in the pop-up state. It indicates that the sterilization box has been sterilized and is in a sterile state. If you need to take out the sterilized items in the sterilization box, apply a light external force to the lock tongue to overcome the damping effect, the lock tongue will retract, and the sterilization box can be opened. From the locked state of the lock tongue, it is very easy to judge whether the sterilization box has been sterilized and whether the items in it are in a sterile state. Automatic and convenient, safe and reliable.

The lock tongue is arranged on a moving guide column, which is convenient to move, accurate and reliable.

The temperature-controlled deformation spring can be any suitable spring, such as a spring made of a bimetallic sheet, a memory metal spring, a temperature-controlled damping spring, and the like.

The damping mechanism prevents the automatic retraction of the lock tongue. It can be a damping spring arranged coaxially with the temperature-controlled deformation spring, or a damping friction member arranged between the lock tongue and the lock housing, such as a rubber attached to the inner wall of the lock housing. Friction rings, etc.

A preferred structural combination of the thermal lock is that the temperature-controlled deformation spring is a spring made of a bimetallic sheet, and the damping mechanism is a damping spring coaxially arranged with the bimetallic sheet spring.

Another preferred structural combination of the thermal lock is that the temperature-controlled deformation spring is a memory metal temperature-controlled deformation spring, and the damping mechanism is a damping friction member arranged between the lock bolt and the lock housing, and the damping friction member is in contact with the inner wall of the lock housing. The friction block is provided with a tensioning spring on the friction block.

Another preferred structural combination of the thermal lock is that the lock bolt is connected to a slider, a temperature-controlled deformation spring is provided between the slider and the fixed block fixed on the lock housing, and the damping mechanism is arranged between the slider and the lock housing. The damping friction part between them, the damping friction part is a friction block contacting the inner wall of the lock housing, the friction block is attached with a tensioning spring, the top of the deadbolt is provided with a moving limit block corresponding to the fixed block, and the top of the deadbolt An ejection spring is arranged between the lock case and the lock case.

The condensed water generated during sterilization is unfavorable to items that are afraid of moisture after sterilization. Therefore, in many cases, such as when the amount of sterilized items is large, the condensed water generated during sterilization needs to be discharged in time. A temperature-controlled steam trap can be added at the bottom of the box body. The inner and outer spring seats are interlocked on the valve cover, and the outer spring seat is fixed on the valve cover. The outer spring is installed in the fastening cavity of the inner and outer spring seats. An inner spring is arranged in the inner spring seat, the inner spring is a temperature control spring, and the outer top of the inner spring seat is provided with a sealing gasket.

When the temperature rises during the sterilization process, the temperature control spring contracts, driving the inner spring seat and its sealing gasket to retract, the sealing gasket is separated from the water outlet, and the drain valve is opened, so that the condensed water generated on the surface of the object during sterilization can be discharged in time Outside the sterilization box, keep the inside of the sterilization box dry, and when the condensed water is discharged and the temperature drops, the temperature control spring recovers and is in an elongated state, the sealing gasket blocks the water outlet again, and the steam trap enters the closed state again to Maintain sterility inside the sterilization box.

Similar to the above, the temperature control spring can be any suitable spring, such as a spring made of a bimetallic sheet, a memory metal spring, and the like.

The temperature-controlled deformation spring and the temperature-controlled spring are designed to deform according to requirements, such as: select two suitable metals for the bimetal according to the thermal expansion properties of the metal, determine its deformation, and ensure that the bimetal protrudes to the set side at high temperature , to meet the deformation requirements and achieve the purpose of temperature control; for the memory metal spring, its elongation state at a certain temperature can be set to ensure the deformation at this temperature.

In the utility model, some corresponding accessories can be added and appropriate adjustments can be made according to the use requirements and technical common sense, so as to improve the use performance. For example, a screw protrusion for connection and fixation can be set on the inner side of the periphery of the valve cover, which is convenient for connection and fixation with the pin column for connection and fixation, with simple structure and convenient operation, and the like.

It can be seen from the above that the sterilization box of the utility model completely replaces the wrapping of cotton cloth or non-woven fabric, meets the requirements for sterilization, can be made of aluminum alloy, stainless steel and other materials, can be reused, is convenient to use, and has low cost of use, and avoids Secondary pollution is avoided, and there is an identification prompt of the thermal lock, and the condensed water is discharged in time with the trap, which ensures the sterilization effect, and the sterilization effect lasts for a long time. It is also very convenient for packaging and transportation, and has good comprehensive performance.

Description of drawings

Fig. 1, the structural representation of the utility model embodiment 1.

Figure 2, side view of Figure 1.

Fig. 3 is a schematic diagram of the structure of the inner cover of Embodiment 1.

Fig. 4 is a structural schematic diagram of the two-way ventilation valve in Embodiment 1.

Fig. 5 is a schematic diagram of the structure of the thermosensitive lock in embodiment 1 at high temperature.

Fig. 6 is a schematic structural diagram of the thermosensitive lock in embodiment 1 at normal temperature.

Fig. 7 is a schematic diagram of the structure of the heat-sensitive lock bolt of Embodiment 1 in the retracted state after being touched.

Fig. 8 is a schematic structural diagram of the steam trap in Example 1 at normal temperature.

Fig. 9. Schematic diagram of the structure of the steam trap in embodiment 1 at high temperature.

Fig. 10 is a schematic diagram of the structure of the thermal lock in embodiment 2 of the present utility model at high temperature.

Fig. 11 is a schematic diagram of the structure of the thermosensitive lock in embodiment 2 at normal temperature.

Fig. 12 is a schematic diagram of the structure of the heat-sensitive lock tongue of Embodiment 2 in the retracted state after being touched.

Fig. 13 is a schematic diagram of the structure of the thermosensitive lock in embodiment 3 of the present utility model at normal temperature.

Fig. 14 is a schematic diagram of the structure of the thermosensitive lock in embodiment 3 at high temperature.

Fig. 15 is a schematic diagram of the deadbolt structure of the heat-sensitive lock in Embodiment 3.

Figure 16, the left view of Figure 15.

Fig. 17 is a schematic structural diagram of the thermosensitive lock in embodiment 4 of the present utility model at normal temperature.

Figure 18, Figure 17 left view structure diagram.

Fig. 19 is a schematic diagram of the structure of the thermosensitive lock in embodiment 4 at high temperature.

Fig. 20 and Fig. 19 are left view structural diagrams.

Fig. 21 is a schematic diagram of the deadbolt structure of the heat-sensitive lock in Embodiment 4.

Figure 22, Figure 21 left view structure diagram.

In the figure: 1. Box cover 2. Hinge 3. Buckle 4. Thermal lock 5. Handle 6. Box body 7. Inner cover 8. Two-way vent valve 9. Fixed nut 10. Vent hole 11. Upper valve cover 12 , air hole 13, intermediate regulating valve cover 14, outer spring seat 15, inner spring seat 16, inner spring 17, outer spring 18, connecting rod 19, 20, air hole 21, fixed valve cover 22, bimetal leaf spring 23, Damping spring 24, guide post 25, damping spring 26, lock case 27, deadbolt 28, connection fixing pin at the bottom of the sterilization box 29, valve cover 30, outer spring seat 31, outer spring 32, made of bimetal Temperature control inner spring 33, inner spring seat 34, sealing gasket 35, water outlet hole 36, temperature control damping spring 37, guide column 38, temperature control damping spring 39, damping spring 40, lock case 41, lock tongue 42, temperature control deformation Spring 43, lock case 44, friction block 45, top tightening spring 46, deadbolt 47, guide post 48, ejection spring 49, lock case 50, fixed block 51, temperature control deformation spring 52, friction block 53, top tension spring 54, slide block 55, dead bolt 56, limit block platform.

Detailed ways

The utility model will be further described in conjunction with the accompanying drawings of the above-mentioned embodiments.

As shown in Figures 1, 2, 3, and 4, the sterilization box described in the utility model is composed of a box body 6 and a lid 1, and the box body 6 and the lid 1 are buckled and fixed by a buckle 3, and the lid 1 There is an outer cover and an inner cover 7 that cooperate with each other, a gas buffer chamber is left between the inner and outer covers, the gas buffer chamber communicates with the outside world, the inner cover is equipped with a two-way vent valve, and the two-way vent valve has an upper valve cover 11 with a vent hole 12 and The fixed bonnet 21 of the air holes 19, 20 has an intermediate regulating bonnet 13 between the upper bonnet 11 and the fixed bonnet 21, the edge of the upper bonnet 11 is correspondingly buckled with the edge of the fixed bonnet 21, and the middle regulating bonnet 13 is connected to the fixed bonnet 21. The upper bonnet 11 is correspondingly matched, and the outer bonnet 11 and the fixed bonnet 21 are connected through the connecting rod 18 in the middle. Outer spring 17 is arranged, and inner spring seat 15 is sleeved on the connecting rod 18, inner spring seat 15 and outer valve cover 11 are interposed with inner spring 16, and the lower end of inner spring seat 15 is fixedly connected with middle regulating valve cover 13. The edge of the upper bonnet 11 and the edge of the fixed bonnet 21 and the edge of the middle regulating bonnet 13 and the upper bonnet 11 are provided with corresponding buckling curved surfaces.

In normal state, the ventilation valve is in a closed state. When the air pressure on the outside is greater than the air pressure on the inside, the gas enters from the vent hole 12 of the upper valve cover 11 and moves the middle regulating valve cover 13 to the inside, the air path is unblocked, and the gas circulates from the outside to the inside until the internal and external pressures are balanced and the vent valve is closed ; when the air pressure inside was greater than the outside air pressure, the gas entered from the vent holes 19, 20 of the fixed valve cover 21 and lifted the upper valve cover 11, and broke away from the fixed valve cover 21, the gas path was unblocked, and the gas circulated from the inside to the outside until The internal and external pressure is balanced, and the vent valve is closed. The smoothness of the vent valve is controlled by the pressure difference on both sides, which just meets the requirements of sterilization. Installed on the sterilization box, so that the sterilization box can keep the environment inside the box consistent with the environment outside the box during the whole sterilization process of the sterilization environment, such as the entry of steam and the vacuum extraction of gas to complete complete sterilization , and when the sterilization process is completed, it is ensured that the sterilization box is in a closed state, so that the environment inside the box is isolated from the atmospheric environment, and the sterilization state is maintained.

As shown in Figures 5, 6, and 7, the sterilization box described in the utility model is equipped with a heat-sensitive lock 4 including a lock case 26 and a lock tongue 27 on the buckle 3, and the gap between the lock tongue 27 and the lock case 26 is A bimetal leaf spring 22 and damping springs 23 and 25 are provided, and a dead bolt 27 is arranged on a moving guide post 24 .

At high temperature, the bimetal leaf spring 22 stretches, and the dead bolt 27 is ejected to lock the buckle 4; popup state. Apply an external force to dead bolt 27 lightly, overcome the damping effect of damping spring 23,25, dead bolt 27 can shrink back to original state, and buckle 4 just can be opened.

As shown in Figures 8 and 9, in the sterilization box described in the present utility model, a temperature-controlled drain valve is provided at the bottom of the box body 6, and inner and outer spring seats 33 and 30 that are engaged with each other are arranged on the valve cover 29. The spring seat 30 is fixed on the valve cover 29, and the outer spring 31 is housed in the fastening cavity of the inner and outer spring seats 33, 30, and the temperature-controlled inner spring 32 is placed in the cylindrical inner spring seat 33, and the outside of the inner spring seat 33 A gasket 34 is provided at the top. The valve cover 29 is twisted on the pin post 28 through the helical protrusion on the inner side of its periphery for connection and fixation, so as to complete the fixation with the sterilization box.

At normal temperature, the temperature-controlled inner spring 32 is in an extended state, and the steam trap is in a normally closed state. When the temperature of the sterilization process rises, the temperature-controlled inner spring 32 shrinks, driving the inner spring seat 33 and its sealing gasket 34 to retract, the sealing gasket is separated from the water outlet 35, and the steam trap is opened, which can make the surface of the object generated during sterilization The condensed water is discharged out of the sterilization box in time to keep the inside of the sterilizing box dry; after the condensed water is discharged and the temperature drops, the temperature-controlled inner spring 32 recovers and is in an elongated state, and the sealing gasket 34 blocks the water outlet hole 35 again to drain water. The valve enters the closed state again to maintain the sterility inside the sterilization box.

As shown in Figures 10, 11 and 12, it is a schematic structural diagram of a heat-sensitive lock according to Embodiment 2 of the present utility model, including a lock case 40 and a dead bolt 41, and a temperature-controlled damping spring 36, 38 and dead bolt move damping spring 39, and dead bolt 41 is arranged on a moving guide column 37.

When the temperature is high, the temperature control damping springs 36 and 38 are stretched to eject the dead bolt 41; Apply an external force gently to the dead bolt 41 to overcome the damping effect of the damping spring 39, and the dead bolt 41 can shrink back to its original state and wait for the next use.

Other structural conditions are the same as in Embodiment 1.

As shown in Figures 13-16, it is a schematic structural diagram of a heat-sensitive lock according to Embodiment 3 of the present utility model, including a lock case 43 and a dead bolt 46. The dead bolt 46 is arranged on a moving guide column 47, and the dead bolt 46 and the lock case 43 There is a memory metal temperature-controlled deformation spring 42 and a damping friction block 44 in contact with the inner wall of the lock housing 43 , and a tensioning spring 45 is attached to the friction block 44 .

When the temperature rises to the set value, the temperature-controlled deformation spring 42 of the memory metal is stretched, and the dead bolt 46 is pushed out of the lock housing 43; function, so that the lock tongue 46 is always kept outside the lock case 43 and is in a locked state. When the lock needs to be unlocked, lightly touch the lock tongue 46 with the hand, the temperature-controlled deformation spring 42 deforms and retracts under the action of an external force, and the lock tongue 46 overcomes the damping friction and retracts into the lock housing 43 and stays in the lock housing 43 by friction, in a position of Locked state, waiting for next use.

Other structural conditions are the same as in Embodiment 1.

As shown in Figures 17-22, it is a schematic structural diagram of the thermal lock of Embodiment 4 of the present utility model. The slider 54 is inserted on the lock tongue 55, so that the lock tongue 55 and the slider 54 are connected together, and the slider 54 and the slider 54 are connected together. A memory metal temperature-controlled deformation spring 51 is arranged between the fixed blocks 50 fixed on the lock housing 49, and the damping mechanism is a damping friction member arranged between the slider 54 and the lock housing 49, and the damping friction member is a contact on the lock housing 49. The friction block 52 on the inner wall, the friction block 52 is attached with a top spring 53, the top of the dead bolt 55 is provided with a moving limit block 56 corresponding to the fixed block, and a top is provided between the top of the dead bolt 55 and the lock housing 49. Out spring 48.

When the temperature rises to the set value, the memory metal temperature-controlled deformation spring 51 stretches, and the dead bolt 55 is pushed out of the lock housing 49 by means of the ejection spring 48; when the temperature decreases, the temperature-controlled deformation spring 51 remains unchanged Change, rely on the effect of friction block 53, make dead bolt 55 keep outside lock housing 49 all the time, be in locked state. When the lock needs to be unlocked, lightly touch the lock tongue 55 with the hand, and the temperature-controlled deformation spring 51 deforms and retracts under the action of an external force, and the lock tongue 55 overcomes the damping friction and retracts into the lock housing 49 and stays in the lock housing 49 by friction, in a position of Locked state, waiting for next use.

Other structural conditions are the same as in Embodiment 1.

Claims (10)

1. A sterilization box is characterized in that it is composed of a box body and a lid, the box body and the lid are buckled and fixed by a buckle, the lid has an outer cover and an inner cover that cooperate with each other, and there is a gap between the inner and outer covers. The gas buffer chamber communicates with the outside world. The inner cover is equipped with a two-way vent valve. The two-way vent valve has an upper bonnet with a vent hole and a fixed bonnet. The edge of the bonnet is correspondingly buckled with the edge of the fixed bonnet, and the middle regulating bonnet is matched with the upper bonnet. The outer bonnet and the fixed bonnet are connected through the connecting rod in the middle. An outer spring is arranged between the seat and the outer valve cover, an inner spring seat is sleeved on the connecting rod, an inner spring is arranged between the inner spring seat and the outer valve cover, and the lower end of the inner spring seat is fixedly connected with the middle regulating valve cover. 2. The sterilization box according to claim 1, characterized in that the edge of the upper valve cover, the edge of the fixed valve cover and the edge of the middle adjustment cover and the upper valve cover are provided with corresponding buckling curved surfaces. 3. The sterilization box according to claim 1, characterized in that the clasp is equipped with a heat-sensitive lock. 4. The sterilization box according to claim 3, characterized in that the heat-sensitive lock includes a lock case and a lock tongue, and a temperature-controlled deformation spring and a lock tongue movement damping mechanism are arranged between the lock tongue and the lock case. 5. The sterilization box according to claim 4, characterized in that the locking tongue is arranged on a moving guide column. 6. The sterilization box according to claim 4, characterized in that the temperature-controlled deformation spring is a spring made of bimetal, and the damping mechanism is a damping spring arranged coaxially with the bimetal spring. 7. The sterilization box according to claim 4, characterized in that the temperature-controlled deformation spring is a memory metal temperature-controlled deformation spring, and the damping mechanism is a damping friction part arranged between the lock tongue and the lock case, and the damping friction part is a contact The friction block on the inner wall of the lock housing is attached with a tensioning spring. 8. The sterilization box according to claim 4, characterized in that the lock tongue is connected to a slider, a temperature-controlled deformation spring is provided between the slider and the fixed block fixed on the lock case, and the damping mechanism is set on the The damping friction part between the slider and the lock case, the damping friction part is a friction block that contacts the inner wall of the lock case, a tensioning spring is attached to the friction block, and a movement limit stop corresponding to the fixed block is provided on the top of the lock tongue There is an ejection spring between the top of the deadbolt and the lock case. 9. The sterilization box according to any one of claims 1-8, characterized in that the bottom of the box body is provided with a temperature-controlled steam trap, and the valve cover is provided with inner and outer spring seats that engage with each other, and the outer spring seat is fixed On the valve cover, an outer spring is arranged in the fastening cavity of the inner and outer spring seat, and an inner spring is arranged in the cylindrical inner spring seat, which is a temperature control spring, and a sealing gasket is provided on the outer top of the inner spring seat. 10. The sterilization box according to claim 9, characterized in that the temperature control spring is a spring made of a bimetallic sheet.

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