CN114344536B - Disinfection cabinet - Google Patents
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- CN114344536B CN114344536B CN202111482119.3A CN202111482119A CN114344536B CN 114344536 B CN114344536 B CN 114344536B CN 202111482119 A CN202111482119 A CN 202111482119A CN 114344536 B CN114344536 B CN 114344536B
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Abstract
The invention discloses a disinfection cabinet, which comprises an inner container (12) with a steam outlet (122); a drawer (2) provided with a locking plate (21) having a locking hole (211); a locking mechanism (3); the method is characterized in that: a valve plate (123) is arranged above the steam exhaust port (122) of the inner container (12), the locking mechanism (3) comprises a transmission rod (32), a transmission block (321) is arranged at the upper part of the locking mechanism, and the transmission block (321) moving upwards can drive the valve plate (123) to rise; the first lock rod (33) is arranged on the transmission rod (32) and can be inserted into the corresponding lock hole (211); the lifting mechanism is used for driving the transmission rod (32) to lift; the rear side of the locking plate (21) is provided with a notch (212) through which the transmission rod (32) passes and enters and exits the locking hole (211). Compared with the prior art, the disinfection cabinet can synchronously realize drawer unlocking and steam exhaust mode opening through the same driving source.
Description
Technical Field
The invention relates to the technical field of kitchen equipment, in particular to a disinfection cabinet.
Background
The disinfection cabinet on the market at present generally comprises a cabinet body and a drawer capable of being drawn in and out of the cabinet body. Because the ultraviolet ray has the radiation, and ozone has obvious peculiar smell, consequently generally adopt the electromagnetic lock to lock the drawer, at the in-process of disinfection or stoving, the door body structure of sterilizer is locked to the electromagnetic lock, prevents that the drawer from being artificially pulled open, causes ultraviolet radiation, ozone leakage, and high-temperature gas leaks, influences operator's security.
For example, a utility model patent of net basket safety self-locking structure and disinfection cabinet of disinfection cabinet with patent application number of cn201320354052.x (publication number of CN203321118U) discloses a net basket safety self-locking structure of disinfection cabinet, which comprises a cabinet door, an inner container, an electromagnetic lock, a hook plate and a net basket tray; the hook plate comprises a slider plate and a hook body lath, one end of the hook body lath is provided with a hook, and the other end of the hook body lath is fixedly connected with the slider plate; the basket tray is connected with the cabinet door, the electromagnetic lock is arranged on the inner container, a first through hole is formed in the side wall of the inner container, and the hook body lath penetrates through the first through hole; an electromagnetic lock rod of the electromagnetic lock is connected with a slider plate, and the electromagnetic lock rod and a hook plate synchronously move up and down; when the electromagnetic lock is in a locking state, the hook hooks the basket tray; when the electromagnetic lock is in an unlocking state, the hook is separated from the basket tray.
However, in the existing disinfection cabinet including the above-mentioned solutions, one electromagnetic lock can only lock one drawer, and even if the lock rod is driven by the same driving member to move, at most two drawers can be synchronously locked and unlocked.
In addition, the steam exhaust after the drying of the existing disinfection cabinet generally needs to discharge water vapor through a back exhaust mode, a steam exhaust port needs to be arranged on the liner, and a valve needs to be arranged on the steam exhaust port, therefore, the locking and unlocking of the drawer and the opening and closing of the steam exhaust port are completed by two relatively independent mechanisms, generally different driving mechanisms are needed for control, a controller is generally needed to be arranged in the prior art, the movement of the two driving mechanisms is controlled through a program, so that the locking and unlocking states of the drawer are matched with the opening and closing of a steam exhaust mode, the mode is high in cost, and control errors easily occur.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide a disinfection cabinet which can synchronously realize drawer unlocking and steam exhaust mode opening through the same driving source aiming at the current situation of the prior art.
The invention provides a disinfection cabinet capable of synchronously and asynchronously locking two drawers through a set of locking mechanisms.
The technical scheme adopted by the invention for solving the first technical problem is as follows: a disinfection cabinet, which comprises
The inner container is internally provided with a disinfection cavity, and the top wall of the inner container is provided with a steam outlet;
the drawer can be drawn in and out of the disinfection cavity along the front and back directions; and
the locking mechanism is used for locking or unlocking the drawer;
the method is characterized in that: a valve plate is arranged above the steam outlet of the inner container and can cover the steam outlet under the action of no external force, a locking plate is arranged on the drawer, and a locking hole is formed in the locking plate;
the locking mechanism comprises
The transmission rod is vertically arranged in the disinfection cavity, a transmission block is arranged at the upper part of the transmission rod and is positioned below the valve plate, and the orthographic projections of the transmission block and the valve plate on the horizontal plane are mutually overlapped so that the transmission block moving upwards can drive the valve plate to rise;
the first lock rod is arranged on the transmission rod, corresponds to the lock plate and can be inserted into the lock hole of the corresponding lock plate;
the lifting mechanism is in transmission connection with the transmission rod and is used for driving the transmission rod to lift;
a notch is formed in the rear side of the lock plate, and only the transmission rod can pass through the notch and enter and exit the lock hole;
the locking mechanism has at least two states:
in the first state, the first lock rod is inserted into the lock hole of the corresponding lock plate so as to enable the corresponding drawer to be in the locked state, and the transmission block is separated from the valve plate so as to enable the valve plate to close the steam exhaust port under the action of gravity;
in the second state, the first lock rod is separated from the lock hole of the corresponding lock plate to enable the corresponding drawer to be in an unlocking state, and the transmission block is supported below the valve plate to enable the valve plate to overcome the action of gravity to open the steam exhaust port.
In order to further solve the second technical problem, the number of the drawers is two, the drawers are sequentially arranged along the vertical direction, the locking mechanism further comprises a second lock rod and a third lock rod, the first lock rod, the second lock rod and the third lock rod are arranged on the transmission rod at intervals, the first lock rod and the second lock rod are respectively positioned above and below the third lock rod, the first lock rod can be inserted into the lock hole of the lock plate positioned above, and the second lock rod and the third lock rod can be inserted into the lock hole of the lock plate positioned below;
the locking mechanism also has a third state and a fourth state:
in the first state, the first lock rod is inserted into the lock hole of the lock plate positioned above so as to enable the drawer positioned above to be in the locking state, the second lock rod is inserted into the lock hole of the lock plate positioned below, and the third lock rod is separated from the lock hole of the lock plate positioned below so as to enable the drawer positioned below to be in the locking state;
in the second state, the first lock rod is separated from the lock hole of the lock plate positioned above so as to enable the drawer positioned above to be in an unlocked state, and the second lock rod and the third lock rod are separated from the lock hole of the lock plate positioned below so as to enable the drawer positioned below to be in an unlocked state;
in a third state, the first lock rod is inserted into the lock hole of the lock plate positioned above so as to enable the drawer positioned above to be in a locking state, the second lock rod and the third lock rod are separated from the lock hole of the lock plate positioned below, and the part of the transmission rod positioned between the second lock rod and the third lock rod is inserted into the lock hole of the lock plate positioned below so as to enable the drawer positioned below to be in an unlocking state;
in the fourth state, first locking lever break away from the lockhole of the locking plate that is located the top to the drawer that makes to be located the top is in the unblock state, second locking lever break away from the lockhole of the locking plate that is located the below, third locking lever insert and establish in the lockhole of the locking plate that is located the below, so that the drawer that is located the below is in the locking state.
In order to realize the stable lifting of the lock rod, the transmission rod is a flexible belt, the locking mechanism further comprises two limiting pieces arranged on the inner container, the limiting pieces correspond to the lock pieces one by one and are arranged close to the corresponding lock pieces, a limiting hole for the first lock rod to pass through is formed in the upper limiting piece, and a limiting hole for the second lock rod and the third lock rod to pass through is formed in the lower limiting piece;
in a first state, the first lock rod is inserted into the limiting hole of the limiting sheet positioned above, and the second lock rod is inserted into the limiting hole of the limiting sheet positioned below;
in a third state, the first lock rod is inserted into the limiting hole of the limiting sheet positioned above;
in the fourth state, the third lock rod is inserted into the limiting hole of the limiting sheet positioned below.
In order to realize the driving of the flexible belt, the lifting mechanism comprises
A base fixed relative to the inner container;
the two ends of the roller are rotatably connected to the base, and the top end of the flexible belt is wound on the roller; and
and the power output end of the driving piece is connected with the end part of the roller and used for driving the roller to rotate around the axis of the roller so as to wind the flexible belt on the roller or unwind the flexible belt from the roller.
In order to facilitate the assembly of the transmission rod and the limiting sheet, an opening is formed in the side portion of the limiting sheet, and the opening is only used for the transmission rod to pass through and go out of the limiting hole.
In order to ensure that the notch on the lock plate can only allow the transmission rod to pass through and exit the lock hole, the aperture of the lock hole is marked as d1, the width of the notch is marked as w, the outer diameters of the first lock rod, the second lock rod and the third lock rod are marked as d2, the outer diameter of the transmission rod is marked as d3, and the relationship between d1, w, d2 and d3 satisfies the following requirements: d3 is more than or equal to w and less than d2 is more than or equal to d 1.
To facilitate passage of the transfer bar through the notch, the relationship of w and d3 is satisfied: d3 is more than or equal to 0.1w and less than or equal to 0.5 w.
In order to prevent the lock bar from passing through the notch under the action of strong external force, the relationship between w and d2 satisfies: d2 is more than or equal to 2w and less than or equal to 5 w.
In order to avoid shaking after the lock plate is locked, the relationship of d1 and d2 satisfies: d1 ═ d 2.
In order to ensure the realization of each state, the height of the first lock bar is represented by H1, the height of the second lock bar is represented by H2, the height of the third lock bar is represented by H3, the distance between the second lock bar and the third lock bar is represented by D, the height of the lock hole is represented by H, and the relations of H1, H2, H3, D and H satisfy: D-2H < H1 < D + H2+ H3, and D > H.
In order to ensure that each lock lever is fully inserted into the lock hole in the locked state and to improve stability in locking, the relationships of H1, H2, H3, D, and H satisfy: d + H is not less than H1 and not more than D + H2+ H3-H.
In order to prevent the condensed water on the top wall of the inner container from reentering the disinfection cavity through the steam outlet, an annular bulge is convexly arranged on the periphery of the steam outlet on the top wall of the inner container.
In order to improve the sealing performance of the steam exhaust port, a first step surface and a second step surface which can be in sealing fit with each other are arranged on the opposite surfaces of the valve plate and the annular bulge.
In order to utilize the original space of the disinfection cabinet for the installation of the lifting mechanism and the movement of the valve plate, the disinfection cabinet further comprises a shell arranged on the outer side of the inner container, a steam outlet is formed in the shell, the disinfection chamber is arranged in the inner container, an interlayer is formed between the outer wall of the inner container and the inner wall of the shell, the lifting mechanism is arranged in the interlayer, the transmission rod is arranged on the valve plate in a penetrating manner, and the valve plate is positioned in the interlayer in the second state.
In order to collect the water drops caught by the valve plate, the surface of the valve plate is recessed downward to form a water collection groove.
In order to avoid water drops in the water collecting tank from dropping into the disinfection cavity through the through holes, the bottom surface of the water collecting tank is provided with a convex bulge part which is provided with through holes for the transmission rod to pass through.
In order to improve the stability of the valve plate when the transmission block drives the valve plate to move, the bottom of the protruding part is provided with a containing groove for containing the transmission block.
In order to guide the water vapor to be discharged, the bottom of the valve plate is provided with a flow guide surface which is gradually raised from inside to outside.
In order to achieve the inoperative condition, the locking mechanism also has a fifth condition:
in the fifth state, the first lock rod is separated from the lock hole of the corresponding lock plate so as to enable the corresponding drawer to be in an unlocking state, and the transmission block is separated from the valve plate so as to enable the valve plate to close the steam exhaust port under the action of gravity.
Compared with the prior art, the invention has the advantages that: through set up first locking lever and transmission block on the transfer line, this first locking lever can insert the lockhole of drawer, and the valve plate that the transmission block can drive to cover in steam extraction department risees, goes up and down through elevating system drive transfer line: when the disinfection is needed, the first lock rod is inserted into the lock hole of the corresponding lock plate to enable the corresponding drawer to be in a locked state, and the transmission block is separated from the valve plate to enable the valve plate to close the steam exhaust port under the action of gravity; after the disinfection is finished, the first lock rod is separated from the lock hole of the corresponding lock plate so that the corresponding drawer is in an unlocked state, and the transmission block is supported below the valve plate so that the valve plate overcomes the action of gravity to open the steam exhaust port; therefore, the drawer is unlocked and the steam exhaust mode is opened synchronously by the same driving source, the cost is low, and control errors are not easy to occur.
Drawings
FIG. 1 is a longitudinal cross-sectional view of an embodiment of the inventive disinfection cabinet in a first state;
FIG. 2 is an enlarged view of section I of FIG. 1;
FIG. 3 is a schematic perspective view of the locking mechanism of FIG. 1;
FIG. 4 is an exploded perspective view of FIG. 3;
FIG. 5 is a transverse cross-sectional view of the locking tab, drive link and primary lock lever of FIG. 3;
FIG. 6 is a longitudinal cross-sectional view of the locking mechanism of FIG. 1 transitioned to a second state;
FIG. 7 is a longitudinal cross-sectional view of the locking mechanism of FIG. 1 transitioned to a third state;
FIG. 8 is a longitudinal cross-sectional view of the locking mechanism of FIG. 1 transitioning to a fourth state;
FIG. 9 is a longitudinal cross-sectional view of the locking mechanism of FIG. 1 transitioned to a fifth state;
FIG. 10 is a longitudinal cross-sectional view of the locking mechanism of FIG. 1 transitioned to a sixth state;
FIG. 11 is a longitudinal cross-sectional view of the locking mechanism of FIG. 1 transitioned to another sixth configuration;
FIG. 12 is a view of the position of the first, second and third lock bars in different states of the embodiment of the sterilizer of the present invention in a first limit condition;
FIG. 13 is a view of the position of the first, second and third lock bars in different states of the embodiment of the sterilizer under the second limit condition;
FIG. 14 is a view of the position of the first, second and third lock bars in different states of the embodiment of the sterilizer under the third limit condition;
FIG. 15 is a diagram showing the position of the first, second and third lock bars in different states of the disinfection cabinet according to the embodiment of the present invention under a fourth limit condition.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 15, a preferred embodiment of the disinfection cabinet of the present invention is shown. The disinfection cabinet comprises a cabinet body 1, a drawer 2 and a locking mechanism 3.
Wherein, cabinet body 1 is including shell 11 and locate the inner bag 12 in the shell 11, has seted up steam outlet 112 on the roof of shell 11, and the inside of inner bag 12 has disinfection chamber 121, installs degassing unit (in this embodiment, degassing unit is the heating pipe in the disinfection chamber 121, installs on the inside diapire of inner bag 12), is formed with intermediate layer 111 between the outer wall of inner bag 12 and the inner wall of shell 11, has seted up steam vent 122 on the roof of inner bag 12. This is a common arrangement for disinfection cabinets.
In this embodiment, a valve plate 123 is disposed above the steam outlet 122 of the inner container 12, the valve plate 123 can cover the steam outlet 122 without external force, an annular protrusion 124 is disposed on the top wall of the inner container 12 at the periphery of the steam outlet 122 in an upward protruding manner, and a first step surface 1231 and a second step surface 1241 which can be in sealing fit with each other are disposed on the opposite surfaces of the valve plate 123 and the annular protrusion 124, so as to improve the sealing performance of the steam outlet 122; a water collection groove 1232 is formed by downwardly sinking the surface of the valve plate 123; the bottom surface of the water collecting groove 1232 is provided with a convex boss 1233, the boss 1233 is provided with a through hole 1234, and the bottom of the boss 1233 is provided with a containing groove 1235; the bottom of valve plate 123 has a flow guide surface 1236 that gradually rises from the inside to the outside. Wherein, water catch bowl 1232 is formed by the downward punching press of valve plate 123 top surface, has also formed water conservancy diversion face 1236 when forming water catch bowl 1232, and bellying 1233 is formed by the upward punching press of valve plate 123 bottom surface, has also formed storage tank 1235 when forming bellying 1233, and processing is convenient.
The number of the drawers 2 is two, and the drawers are arranged in the disinfection chamber 11 one above the other and can be drawn in and out of the storage chamber 11 along the front-back direction. The rear end of each drawer 2 is provided with a locking plate 21 which is horizontally arranged, the locking plate 21 is provided with a locking hole 211, and the rear side of the locking plate 21 is provided with a notch 212.
The locking mechanism 3 is provided at the rear of the cabinet 1, and is used for locking or unlocking the two drawers 2. In the present embodiment, as shown in fig. 3 and 4, the locking mechanism 3 includes a stopper 31, a transmission lever 32, a first lock lever 33, a second lock lever 34, a third lock lever 35, a base 36, a roller 37, and a driving member 38.
Specifically, the number of the limiting pieces 31 is two, the limiting pieces 31 are arranged on the rear side wall inside the inner container 12 one on top of the other, the limiting pieces 31 correspond to the locking pieces 21 one by one and are tightly attached to the bottom surfaces of the corresponding locking pieces 21, a limiting hole 311 for the first locking rod 33 to pass through is formed in the limiting piece 31 located above, a limiting hole 311 for the second locking rod 34 and the third locking rod 35 to pass through is formed in the limiting piece 31 located below, and an opening 312 is formed in the front side of the limiting piece 31.
The transmission rod 32 is a flexible belt, is inserted into the through hole 1234 of the valve plate 123 and is vertically arranged in the accommodating cavity 121, the transmission block 321 is arranged at the upper part of the transmission rod 32, the transmission block 321 is positioned below the valve plate 123, and the orthographic projections of the transmission block 321 and the valve plate 123 on the horizontal plane are mutually overlapped, so that the transmission block 321 which moves upwards can be accommodated in the accommodating groove 1235 of the valve plate 123 and drive the valve plate 123 to be lifted so as to open the steam outlet 122; in addition, the transmission rod 32 can enter and exit the lock hole 21 through the notch 212 on the lock plate 21 and can enter and exit the limit hole 311 through the opening 312 on the limit plate 31;
the first lock bar 33, the second lock bar 34 and the third lock bar 35 are arranged on the transmission bar 32 at intervals, the first lock bar 33 and the second lock bar 34 are respectively positioned above and below the third lock bar 35, the first lock bar 33 can be inserted into the lock hole 211 of the lock plate 21 positioned above and cannot enter or exit the lock hole 211 through the notch 212 on the lock plate 21, and the second lock bar 34 and the third lock bar 35 can be inserted into the lock hole 211 of the lock plate 21 positioned below and cannot enter or exit the lock hole 211 through the notch 212 on the lock plate 21.
The base 36 is disposed in the interlayer 111 and is mounted on the top wall of the inner container 12.
Both ends of a roller 37 are rotatably connected to the base 36, and the tip end of the flexible belt is wound around the roller 37;
the driving member 38 is a motor, and is mounted on the base 36, and a power output end thereof is connected to an end of the roller 37 for driving the roller 37 to rotate around an axis thereof, so as to wind the flexible belt on the roller 37 or unwind the flexible belt from the roller 37.
Of course, the transmission rod 32 can be set as a rigid rod, and the rigid rod is driven by the electric push rod to move to realize lifting, so that the limiting sheet 31 is not needed, only two guide sheets arranged at an upper and lower interval are needed to be arranged on the cabinet body 1, and two ends of the transmission rod 32 are arranged on the guide sheets in a penetrating manner.
As shown in fig. 5, in the present embodiment, the relationship between the diameter of the lock hole 211 and the width of the notch 212 is d1, the outer diameters of the first lock lever 33, the second lock lever 34, and the third lock lever 35 are d2, and the outer diameter of the transmission lever 32 is d3, d1, w, d2, and d3 satisfies: d3 is more than or equal to w and less than d2 is more than or equal to d1, so that the notch 212 on the lock plate 21 can only allow the transmission rod 32 to pass through and enter and exit the lock hole 211. Preferably, 0.1w ≦ d3 ≦ 0.5w, 2w ≦ d2 ≦ 5w, and d1 ≦ d 2.
The locking mechanism 3 has at least five states driven by the driver 38:
in the first state, as shown in fig. 1, the first lock lever 33 is inserted into the lock hole 211 of the lock plate 21 located above and the limit hole 311 of the limit plate 31 located above, so that the drawer 2 located above is in the locked state, the second lock lever 34 is inserted into the lock hole 211 of the lock plate 21 located below and the limit hole 311 of the limit plate 31 located below, the third lock lever 35 is disengaged from the lock hole 211 of the lock plate 21 located below, so that the drawer 2 located below is in the locked state, and the transmission block 321 is disengaged from the valve plate 123, so that the valve plate 123 closes the steam exhaust port 122 under the action of gravity;
in the second state, as shown in fig. 6, the first lock lever 33 is disengaged from the lock hole 211 of the lock plate 21 located above, the notch 312 on the lock plate 21 located above is used for the yielding of the transmission rod 32, so that the drawer 2 located above is in the unlocked state, the second lock lever 34 and the third lock lever 35 are both disengaged from the lock hole 211 of the lock plate 21 located below, the notch 312 on the lock plate 21 located below is used for the yielding of the transmission rod 32, so that the drawer 2 located below is in the unlocked state, and the transmission block 321 is supported below the valve plate 123, so that the valve plate 123 extends into the interlayer 111 against the action of gravity and opens the steam exhaust port 122;
in the third state, as shown in fig. 8, the first lock lever 33 is inserted into the lock hole 211 of the lock plate 21 located above and the limit hole 311 of the limit plate 31 located above, so that the drawer 2 located above is in the locked state, both the second lock lever 34 and the third lock lever 35 are disengaged from the lock hole 211 of the lock plate 21 located below, the portion of the transmission rod 32 located between the second lock lever 34 and the third lock lever 35 is inserted into the lock hole 211 of the lock plate 21 located below, the notch 312 on the lock plate 21 located below allows the portion of the transmission rod 32 to move away, so that the drawer 2 located below is in the unlocked state, and the transmission block 321 is disengaged from the valve plate 123, so that the valve plate 123 closes the steam exhaust port 122 under the action of gravity;
in a fourth state, as shown in fig. 9, the first lock lever 33 is disengaged from the lock hole 211 of the lock plate 21 located above, the notch 312 on the lock plate 21 located above allows the transmission rod 32 to move forward, so that the drawer 2 located above is in an unlocked state, the second lock lever 34 is disengaged from the lock hole 211 of the lock plate 21 located below, the third lock lever 35 is inserted into the lock hole 211 of the lock plate 21 located below and the limiting hole 311 of the limiting plate 31 located below, so that the drawer 2 located below is in a locked state, and the transmission block 321 is disengaged from the valve plate 123, so that the valve plate 123 closes the steam outlet 122 under the action of gravity;
in the fifth state, as shown in fig. 10 and 11, the first lock lever 33 is disengaged from the lock hole 211 of the lock plate 21 located above, the notch 312 on the lock plate 21 located above allows the transmission rod 32 to move forward, so that the drawer 2 located above is in the unlocked state, the second lock lever 34 and the third lock lever 35 are both disengaged from the lock hole 211 of the lock plate 21 located below, the notch 312 on the lock plate 21 located below allows the transmission rod 32 to move forward, so that the drawer 2 located below is in the unlocked state, and the transmission block 321 is disengaged from the valve plate 123, so that the valve plate 123 closes the steam exhaust port 122 under the action of gravity.
As shown in fig. 4, in this embodiment, in order to ensure that the first state and the third state can be realized at the same time, two limit conditions are considered, where the height of the first lock lever 33 is H1, the height of the second lock lever 34 is H2, the height of the third lock lever 35 is H3, the distance between the second lock lever 34 and the third lock lever 35 is D, and the height of the lock hole 211 is H:
as shown in fig. 12, under the first limit condition, in the first state, the first lock lever 33 is just about to be inserted into the lock hole 211, and the second lock lever 34 is just about to be disengaged from the lock hole 211, and in the third state, the first lock lever is just about to be disengaged from the lock hole 211, and the third lock lever 35 is just about to be inserted into the lock hole 211, H1 is calculated to be D-2H;
as shown in fig. 13, under the second limit condition, in the first state, the first latch 33 is just about to be inserted into the lock hole 211, and the second latch 34 is just about to be inserted into the lock hole 211, and in the third state, the first latch is just disengaged from the lock hole 211, and the third latch 35 is just disengaged from the lock hole 211, so that H1 is calculated to be D + H2+ H3;
in the above two limit conditions, the first state and the third state cannot be realized at the same time, and because the second state cannot be realized when D ═ H, the relationship of H1, H2, H3, D, and H in this embodiment satisfies: D-2H < H1 < D + H2+ H3, and D > H, so that the realization of each state can be ensured.
In addition, in order to ensure that each lock rod is completely inserted into the lock hole 211 in the locked state and improve the stability during locking, two other limit conditions are considered:
as shown in fig. 14, in the third limit condition, in the first state, the first latch 33 is fully inserted into the locking hole 211, and the upper portion of the second latch 34 is fully inserted into the locking hole 211, and in the third state, the first latch is just disengaged from the locking hole 211, and the lower portion of the third latch 35 is fully inserted into the locking hole 211, and H1 is calculated to be D + H;
as shown in fig. 15, under the fourth limit condition, in the first state, the first latch 33 is fully inserted into the lock hole 211, and the lower portion of the second latch 34 is fully inserted into the lock hole 211, and in the third state, the first latch is just disengaged from the lock hole 211, and the upper portion of the third latch 35 is fully inserted into the lock hole 211, so that H1 is calculated to be D + H2+ H3-H;
the first state and the third state can be simultaneously realized just under the above two limit conditions on the premise that the lock lever is fully inserted into the lock hole 211, and therefore, the relationships of H1, H2, H3, D, and H satisfy: d + H is not less than H1 and not more than D + H2+ H3-H, so that on one hand, realization of each state can be guaranteed, and on the other hand, locking stability can be guaranteed.
The working principle of the embodiment is as follows:
(1) when disinfection is needed, only two drawers 2 need to be closed, then the driving piece 38 is started to drive the transmission rod 32 to move to the first state shown in fig. 1, at this time, the first lock rod 33 is inserted into the lock hole 211 of the lock plate 21 located above and the limit hole 311 of the limit plate 31 located above, the drawer 2 located above is in the locked state, the second lock rod 34 is inserted into the lock hole 211 of the lock plate 21 located below and the limit hole 311 of the limit plate 31 located below, the third lock rod 35 is separated from the lock hole 211 of the lock plate 21 located below, the drawer 2 located below is in the locked state, the two drawers 2 are prevented from being opened, and the tableware in the disinfection chamber 121 can be dried and disinfected by starting the disinfection device;
meanwhile, the transmission block 321 is separated from the valve plate 123, so that the valve plate 123 closes the steam exhaust port 122 under the action of gravity, and external impurities are prevented from entering the disinfection chamber 121 and affecting disinfection;
(2) when the disinfection is finished, the driving member 38 is only needed to be started to drive the transmission rod 32 to move to the second state as shown in fig. 6, at this time, the transmission block 321 is supported below the valve plate 123, so that the valve plate 123 extends into the interlayer 111 against the action of gravity and opens the steam outlet 122, at this time, the gas in the disinfection chamber 121 is damp and hot gas with a certain temperature, and due to the rising action of the air flow, the water vapor naturally rises, continues to rise through the valve plate 123 under the flow guidance of the flow guidance surface 1236 and continues to rise up after exiting from the steam outlet 122, and finally exits from the steam outlet 112 of the housing 11, during this process, part of the water vapor may condense near the steam outlet 112, and after dropping, can be caught by the valve plate 123 and collected in the water collection tank 1232, a small part of the condensed water may drop on the top wall of the inner container 12 at the periphery of the valve plate 123, the annular protrusion 124 on the top wall of the inner container 12 can prevent the condensed water from reentering the disinfection chamber 121 through the steam outlet 122, the cleanness and the dryness of the disinfection cavity 121 are ensured, and meanwhile, the surface of the top wall of the inner container 12 has a certain temperature after the heating and the drying are finished, so that a small part of condensed water can be changed into water vapor and is upwards discharged again through the steam outlet 112 of the shell 11;
meanwhile, the first lock rod 33 is separated from the lock hole 211 of the lock plate 21 positioned above, the notch 312 on the lock plate 21 positioned above can allow the transmission rod 32 to move, the drawer 2 positioned above is in an unlocked state, the second lock rod 34 and the third lock rod 35 are both separated from the lock hole 211 of the lock plate 21 positioned below, the notch 312 on the lock plate 21 positioned below can allow the transmission rod 32 to move, the drawer 2 positioned below is in an unlocked state, and a user can pull and pull the two drawers 2;
(3) in the non-operating state:
firstly, when the drawer 2 positioned above needs to be locked independently, only the drawer 2 positioned above needs to be closed, actuating the drive member 38 then drives the drive link 32 to a third condition as shown in fig. 8, at which time, the first lock lever 33 is inserted into the lock hole 211 of the lock plate 21 located above and the stopper hole 311 of the stopper piece 31 located above, the drawer 2 positioned above is in a locking state, the second lock lever 34 and the third lock lever 35 are both disengaged from the lock hole 211 of the lock plate 21 positioned below, the portion of the transmission lever 32 positioned between the second lock lever 34 and the third lock lever 35 is inserted in the lock hole 211 of the lock plate 21 positioned below, the notch 312 on the locking piece 21 located below allows the part of the transmission rod 32 to move away, the drawer 2 located below is in an unlocked state, the drawer 2 located above is prevented from being opened, and a user can pull and pull the drawer 2 located below;
when the drawer 2 below needs to be locked independently, only the drawer 2 below needs to be closed, then the driving member 38 is started to drive the transmission rod 32 to move to the fourth state shown in fig. 9, at this time, the first locking rod 33 is separated from the locking hole 211 of the locking plate 21 above, the notch 312 on the locking plate 21 above allows the transmission rod 32 to give way, the drawer 2 above is in an unlocked state, the second locking rod 34 is separated from the locking hole 211 of the locking plate 21 below, the third locking rod 35 is inserted into the locking hole 211 of the locking plate 21 below and the limiting hole 311 of the limiting plate 31 below, the drawer 2 below is in a locked state, the drawer 2 below is prevented from being opened, and a user can pull and pull the drawer 2 above;
when two drawers 2 need to be unlocked, only the driving member 38 needs to be started to drive the transmission rod 32 to move to the fifth state shown in fig. 10 or fig. 11, at this time, the first lock rod 33 is separated from the lock hole 211 of the lock plate 21 located above, the notch 312 on the lock plate 21 located above can allow the transmission rod 32 to move, the drawer 2 located above is in the unlocked state, the second lock rod 34 and the third lock rod 35 are both separated from the lock hole 211 of the lock plate 21 located below, the notch 312 on the lock plate 21 located below can allow the transmission rod 32 to move, the drawer 2 located below is in the unlocked state, and a user can pull and pull the two drawers 2;
meanwhile, the driving block 321 is separated from the valve plate 123, so that the valve plate 123 closes the steam outlet 122 under the action of gravity, and thus, foreign matters are prevented from entering the sterilizing chamber 121.
Claims (19)
1. A disinfection cabinet, which comprises
The inner container (12) is internally provided with a disinfection cavity (121), and the top wall of the inner container (12) is provided with a steam outlet (122);
a drawer (2) which can be drawn in and out of the disinfection chamber (121) along the front and back direction; and
a locking mechanism (3) for locking or unlocking the drawer (2);
the method is characterized in that: a valve plate (123) is arranged above the steam exhaust port (122) of the inner container (12), the valve plate (123) can cover the steam exhaust port (122) under the action of no external force, a locking plate (21) is arranged on the drawer (2), and a locking hole (211) is formed in the locking plate (21);
the locking mechanism (3) comprises
The transmission rod (32) is vertically arranged in the disinfection cavity (121), a transmission block (321) is arranged at the upper part of the transmission rod (32), the transmission block (321) is positioned below the valve plate (123), and the orthographic projections of the transmission block (321) and the valve plate (123) on the horizontal plane are mutually overlapped, so that the upward moving transmission block (321) can drive the valve plate (123) to be lifted;
the first lock rod (33) is arranged on the transmission rod (32), corresponds to the lock plate (21) and can be inserted into the lock hole (211) of the corresponding lock plate (21);
the lifting mechanism is in transmission connection with the transmission rod (32) and is used for driving the transmission rod (32) to lift;
a notch (212) through which the transmission rod (32) passes and enters and exits the lock hole (211) is formed in the rear side of the lock plate (21);
the locking mechanism (3) has at least two states:
in a first state, the first lock rod (33) is inserted into the lock hole (211) of the corresponding lock plate (21) to enable the corresponding drawer (2) to be in a locked state, and the transmission block (321) is separated from the valve plate (123) to enable the valve plate (123) to close the steam outlet (122) under the action of gravity;
under the second state, first locking lever (33) break away from lockhole (211) that correspond locking plate (21) to make corresponding drawer (2) be in the unblock state, drive block (321) support in the below of valve plate (123), so that valve plate (123) overcome the action of gravity and open steam exhaust mouth (122).
2. A disinfection cabinet as claimed in claim 1, wherein: the number of the drawers (2) is two, the drawers are sequentially arranged along the vertical direction, the locking mechanism (3) further comprises a second locking rod (34) and a third locking rod (35), the first locking rod (33), the second locking rod (34) and the third locking rod (35) are arranged on the transmission rod (32) at intervals, the first locking rod (33) and the second locking rod (34) are respectively positioned above and below the third locking rod (35), the first locking rod (33) can be inserted into a locking hole (211) of the locking plate (21) positioned above, and the second locking rod (34) and the third locking rod (35) can be inserted into a locking hole (211) of the locking plate (21) positioned below;
the locking mechanism (3) also has a third state and a fourth state:
in a first state, the first lock rod (33) is inserted into the lock hole (211) of the lock plate (21) above to enable the drawer (2) above to be in a locked state, the second lock rod (34) is inserted into the lock hole (211) of the lock plate (21) below to enable the third lock rod (35) to be separated from the lock hole (211) of the lock plate (21) below to enable the drawer (2) below to be in a locked state;
in the second state, the first lock rod (33) is separated from the lock hole (211) of the lock plate (21) positioned above, so that the drawer (2) positioned above is in an unlocked state, and the second lock rod (34) and the third lock rod (35) are separated from the lock hole (211) of the lock plate (21) positioned below, so that the drawer (2) positioned below is in an unlocked state;
in a third state, the first lock rod (33) is inserted into the lock hole (211) of the lock plate (21) above to enable the drawer (2) above to be in a locked state, the second lock rod (34) and the third lock rod (35) are both separated from the lock hole (211) of the lock plate (21) below, and the part, located between the second lock rod (34) and the third lock rod (35), of the transmission rod (32) is inserted into the lock hole (211) of the lock plate (21) below to enable the drawer (2) below to be in an unlocked state;
under the fourth state, first locking lever (33) break away from lockhole (211) that are located locking plate (21) of top to make drawer (2) that are located the top be in the unblock state, second locking lever (34) break away from lockhole (211) of locking plate (21) that are located the below, third locking lever (35) insert and establish in lockhole (211) of locking plate (21) that are located the below, so that drawer (2) that are located the below are in the lock state.
3. A disinfection cabinet as claimed in claim 2, wherein: the driving rod (32) is a flexible belt, the locking mechanism (3) further comprises two limiting pieces (31) arranged on the inner container (12), the limiting pieces (31) correspond to the locking pieces (21) one by one and are arranged close to the corresponding locking pieces (21), a limiting hole (311) for the first locking rod (33) to penetrate through is formed in the upper limiting piece (31), and a limiting hole (311) for the second locking rod (34) and the third locking rod (35) to penetrate through is formed in the lower limiting piece (31);
in the first state, the first lock rod (33) is inserted into the limiting hole (311) of the limiting sheet (31) positioned above, and the second lock rod (34) is inserted into the limiting hole (311) of the limiting sheet (31) positioned below;
in the third state, the first lock rod (33) is inserted into the limiting hole (311) of the limiting sheet (31) positioned above;
in the fourth state, the third lock rod (35) is inserted into the limiting hole (311) of the limiting sheet (31) positioned below.
4. A disinfection cabinet as claimed in claim 3, wherein: the lifting mechanism comprises
A base (36) fixed to the inner container (12);
a roller (37) with two ends rotatably connected to the base (36), and the top end of the flexible belt is wound on the roller (37); and
and the power output end of the driving piece (38) is connected with the end part of the roller (37) and is used for driving the roller (37) to rotate around the axis of the driving piece so as to roll the flexible belt on the roller (37) or unwind the flexible belt from the roller (37).
5. A disinfection cabinet as claimed in claim 3, wherein: the side part of the limiting sheet (31) is provided with an opening (312) through which the transmission rod (32) passes and goes out of the limiting hole (311).
6. A disinfection cabinet as claimed in claim 2, wherein: the hole diameter of the lock hole (211) is recorded as d1, the width of the notch (212) is recorded as w, the outer diameters of the first lock rod (33), the second lock rod (34) and the third lock rod (35) are recorded as d2, the outer diameter of the transmission rod (32) is recorded as d3, and the relationships of d1, w, d2 and d3 satisfy: d3 is more than or equal to w and less than d2 is more than or equal to d 1.
7. A disinfection cabinet as claimed in claim 6, wherein: the relationship of w and d3 satisfies: d3 is more than or equal to 0.1w and less than or equal to 0.5 w.
8. A disinfection cabinet as claimed in claim 6, wherein: the relationship of w and d2 satisfies: d2 is more than or equal to 2w and less than or equal to 5 w.
9. A disinfection cabinet as claimed in claim 6, wherein: the relationship of d1 and d2 satisfies: d1 ═ d 2.
10. A disinfection cabinet as claimed in claim 2, wherein: the height of the first lock rod (33) is represented by H1, the height of the second lock rod (34) is represented by H2, the height of the third lock rod (35) is represented by H3, the distance between the second lock rod (34) and the third lock rod (35) is represented by D, the height of the lock hole (211) is represented by H, and the relations of H1, H2, H3, D and H satisfy the following conditions: D-2H < H1 < D + H2+ H3, and D > H.
11. A disinfection cabinet as claimed in claim 10, wherein: the relationships of H1, H2, H3, D, and H satisfy: d + H is not less than H1 and not more than D + H2+ H3-H.
12. A disinfection cabinet as claimed in any one of claims 1 to 11, wherein: an annular bulge (124) is convexly arranged on the top wall of the inner container (12) at the periphery of the steam outlet (122) upwards.
13. A disinfection cabinet as claimed in claim 12, wherein: and a first step surface (1231) and a second step surface (1241) which can be in sealing fit are arranged on the opposite surfaces of the valve plate (123) and the annular bulge (124).
14. A disinfection cabinet as claimed in any one of claims 1 to 11, wherein: still including locating shell (11) in inner bag (12) outside, shell (11) on seted up steam outlet (112), the inside of inner bag (12) has disinfection chamber (121), the outer wall of inner bag (12) with be formed with intermediate layer (111) between the inner wall of shell (11), elevating system locate in this intermediate layer (111), transfer line (32) wear to establish valve plate (123) on, under the second state, valve plate (123) be located in this intermediate layer (111).
15. A disinfection cabinet as claimed in claim 14, wherein: the surface of the valve plate (123) is recessed downwards to form a water collecting groove (1232).
16. A disinfection cabinet as claimed in claim 15, wherein: the bottom surface of the water collecting tank (1232) is provided with a convex bulge part (1233), and the bulge part (1233) is provided with a through hole (1234) for the transmission rod (32) to pass through.
17. A disinfection cabinet as claimed in claim 16, wherein: the bottom of the bulge part (1233) is provided with a containing groove (1235) for containing the transmission block (321).
18. A disinfection cabinet as claimed in claim 15, wherein: the bottom of the valve plate (123) is provided with a flow guide surface (1236) which gradually rises from inside to outside.
19. A disinfection cabinet as claimed in any one of claims 1 to 11, wherein: the locking mechanism (3) also has a fifth state:
under the fifth state, first locking lever (33) break away from lockhole (211) that correspond locking plate (21) to make corresponding drawer (2) be in the unblock state, drive block (321) break away from valve plate (123), so that valve plate (123) close under the action of gravity exhaust port (122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111482119.3A CN114344536B (en) | 2021-12-07 | 2021-12-07 | Disinfection cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111482119.3A CN114344536B (en) | 2021-12-07 | 2021-12-07 | Disinfection cabinet |
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| Publication Number | Publication Date |
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| CN114344536A CN114344536A (en) | 2022-04-15 |
| CN114344536B true CN114344536B (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111482119.3A Active CN114344536B (en) | 2021-12-07 | 2021-12-07 | Disinfection cabinet |
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|---|---|
| CN114344536A (en) | 2022-04-15 |
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