CN110090678A - A kind of water-bath automatically added water - Google Patents
A kind of water-bath automatically added water Download PDFInfo
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- CN110090678A CN110090678A CN201810091006.2A CN201810091006A CN110090678A CN 110090678 A CN110090678 A CN 110090678A CN 201810091006 A CN201810091006 A CN 201810091006A CN 110090678 A CN110090678 A CN 110090678A
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- water
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- outer framework
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
- B01L7/02—Water baths; Sand baths; Air baths
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- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices For Medical Bathing And Washing (AREA)
Abstract
The invention discloses a kind of water-baths automatically added water, including outer framework, electric box and water bath, the outer framework is fixedly connected with electric box, the top side wall fixation of the water bath is connected on outer framework, the outer framework is far from being fixedly connected with water tank on the side side wall of electric box, pass through the first hypodontia wheel, the combination of water tube and pressing plate, water can be added automatically by realizing after water level decreasing in sink, the water in sink can be stirred constantly again, guarantee that the temperature of sink everywhere is uniform, second rack gear engages intermittent pulling L-type seal plate with the first hypodontia wheel and moves down, realize the water outlet of outlet pipe intermittence, water increase is avoided excessively to decline the temperature in water bath suddenly, the operating time of effectively save laboratory technician, improve conventional efficient.
Description
Technical field
The present invention relates to experimental instrument technology, specially a kind of water-bath automatically added water.
Background technique
Water-bath is necessary heating and thermal insulation tool in laboratory, is widely used in multiple fields experiment, water-bath exists
When work, due to needing prolonged heating or the heat preservation of higher temperature that the moisture in pot can be made gradually to evaporate, lead to water in pot
Position decline, prevents the lower part of experiment container from being completely sunk in the water, will cause experiment container uneven heating, in heating process
In, it since hot spot is fixed, is easy to make the water temperature in sink variant, the temperature of detection site and required temperature is caused to have difference
It is different, the failure of an experiment is easily led to, therefore not only need to observe water level, frequent moisturizing at any time during the experiment, and need to guarantee
Water temperature is unified everywhere for sink, seriously affects behaviour's personnel's conventional efficient.
Summary of the invention
The purpose of the present invention is to provide a kind of water-baths automatically added water, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme: a kind of water-bath automatically added water, including outline border
Frame, electric box and water bath, the outer framework are fixedly connected with electric box, and the top side wall fixation of the water bath is connected in outline border
On frame, the outer framework is connected on the side wall of the water tank far from water tank is fixedly connected on the side side wall of electric box
There is outlet pipe, the nozzle of the outlet pipe is located at the top of water bath, and the middle part sliding plug of the outlet pipe has L-type sealing
Plate, the top of the L-type seal plate offer multiple permeable holes, and the lower part of the L-type seal plate is successively slided through outlet pipe
It is connected by multiple first springs with the inner roof wall of outer framework with the bottom plate of the roof of outer framework, the L-type seal plate, it is described
There are two symmetrically arranged rotor plates, the lower section of the rotor plate to be equipped with fixation and pass through for rotation connection on the inner cavity rear wall of water bath
The water tube of water-bath groove bottom wall is worn, the internal slide of the water tube is plugged with piston, and the bottom end of the piston is fixedly connected with
Activity runs through the pull rod of water tube bottom wall, and the bottom end of the pull rod is rotatably connected to one end of rocking bar, the lower section of the water bath
Equipped with the motor being fixedly connected on the rear wall of outer framework inner cavity, the output end of the motor is fixedly connected with shaft, and described turn
Successively fixing sleeve is connected to driving wheel and turntable on axis, and the other end of the rocking bar is rotatably connected to the disk edge of turntable, institute
It states driving wheel and driven wheel is connected with by belt, the driven wheel is rotatably connected on the rear wall of outer framework inner cavity, described driven
It has been fixedly and coaxially connected the first hypodontia wheel on wheel, the first hypodontia wheel is equipped with the second rack gear far from the side of turntable, and described the
The lower slide of two rack gears is socketed with sleeve, and the bottom end of second rack gear is fixedly connected on the interior bottom of sleeve by second spring
On wall, the bottom end of the sleeve is slidably connected in the first sliding groove that outer framework inner bottom wall is opened up, the top of second rack gear
End is fixedly connected with the first l-shaped rod, and first l-shaped rod is fixedly connected with push rod, the push rod far from the side of the second rack gear
Side wall top be fixedly connected with the second l-shaped rod, the push rod is fixedly connected with and L-type sealing far from the side of the second l-shaped rod
The corresponding pressing plate of the bottom plate of plate；
The fixed plate being distributed up and down there are two being fixedly connected on the lateral wall of the water bath, the lower end surface of the fixed plate
On be rotatably connected to the second hypodontia wheel, be fixedly connected to mandril on the side wall of the second hypodontia wheel, the institute being located above
It is corresponding with the second l-shaped rod to state mandril, underlying mandril is corresponding with the first l-shaped rod, the fixed plate being located above
Upper activity is plugged with the third rack gear being meshed with the second hypodontia wheel, and activity is plugged with and the in the underlying fixed plate
The first rack gear that two hypodontia wheels are meshed, the top of first rack gear are fixedly connected with top plate, and the top plate passes through third bullet
Spring is connected with the fixed plate of lower section, and the top of the top plate is equipped with gravity block, and the top of the gravity block is fixedly connected with drawing
One end of rope, the water bath are rotatably connected to fixed pulley close to the top of the side side wall of outlet pipe, the drawstring it is another
End activity runs through the roof of outer framework and is fixedly connected with kickboard around fixed pulley, and the side walls of the kickboard are connected in water bath
In the second sliding slot that inner sidewall is opened up, the motor, power switch and external power supply form a series electrical by conducting wire
Road.
Preferably, the top of the water tube is fixedly connected with spray head, and it is symmetrical that the water tube is located at two the first l-shaped rods
The lower section at center.
Preferably, the length of the mandril is greater than the height of the first l-shaped rod.
Preferably, the distance between two described fixed plates are identical as the height of second sliding slot.
Preferably, the length of first rack gear is identical as the length of the second rack gear, and is all larger than the straight of the second hypodontia wheel
Diameter.
Preferably, the teeth range of the first hypodontia wheel is 120-160 degree.
Preferably, the teeth range of the second hypodontia wheel is 300-320 degree.
Preferably, the length of pressing plate bottom transverse slat is greater than the length of mandril.
Preferably, sliding sleeve is socketed on the outlet pipe, and L-type seal plate passes through the upper and lower side of sliding sleeve, sliding sleeve is rubber
Material.
Compared with prior art, the beneficial effects of the present invention are: passing through the combination of the first hypodontia wheel, water tube and pressing plate,
Water can be added automatically by realizing after water level decreasing in sink, and can stir the water in sink constantly, guarantee the temperature of sink everywhere
It is uniform, it is adjusted convenient for temperature, the water flow that water tube sprays can carry out impact rotation to rotor plate, stir the water in water bath
Dynamic, the second rack gear engages intermittent pulling L-type seal plate with the first hypodontia wheel and moves down, and realizes the water outlet of outlet pipe intermittence, avoids
Water increase excessively declines the temperature in water bath suddenly, and controls Inlet and outlet water, effectively save reality by gravity block and kickboard
The operating time for the person of testing improves conventional efficient.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is A schematic enlarged-scale view.
In figure: outer framework 1, electric box 2, water bath 3, water tank 4, outlet pipe 5, push rod 6, the first rack gear 7, the second rack gear
8, the first l-shaped rod 9, the first hypodontia wheel 10, sleeve 11, belt 12, driving wheel 13, turntable 14, rocking bar 15, water tube 16, pull rod
17, gravity block 18, rotor plate 19, piston 20, kickboard 21, drawstring 22, fixed pulley 23, L-type seal plate 24, sliding sleeve 25, second lack
Gear 26, third rack gear 27, mandril 28, pressing plate 29, fixed plate 30, the second l-shaped rod 31.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of water-bath automatically added water, including outer framework 1,
Electric box 2 and water bath 3, outer framework 1 are fixedly connected with electric box 2, and the top side wall fixation of water bath 3 is connected on outer framework 1,
Outer framework 1 is communicated with outlet pipe 5 far from water tank 4 is fixedly connected on the side side wall of electric box 2 on the side wall of water tank 4,
The nozzle of outlet pipe 5 is located at the top of water bath 3, and the middle part sliding plug of outlet pipe 5 has L-type seal plate 24, covers on outlet pipe 5
It is connected to sliding sleeve 25, and L-type seal plate 24 passes through the upper and lower side of sliding sleeve 25, sliding sleeve 25 is rubber material sealing.
The top of L-type seal plate 24 offers multiple permeable holes, and the lower part of L-type seal plate 24 is successively slided through outlet pipe
5 and outer framework 1 roof, the bottom plate of L-type seal plate 24 is connected by multiple first springs with the inner roof wall of outer framework 1, water
There are two symmetrically arranged rotor plates 19, the lower section of rotor plate 19 to be equipped with fixation and pass through for rotation connection on the inner cavity rear wall of bath 3
The water tube 16 of 3 bottom wall of water bath is worn, the top of water tube 16 is fixedly connected with spray head, and water tube 16 is located at two the first L-types
The lower section of 9 symmetrical centre of bar can simultaneously impact two rotor plates 19, it is ensured that two rotor plates when water tube 16 is discharged
The rotation of 19 moment, is stirred, it is ensured that water temperature is uniform, and also avoiding being vigorously stirred causes water to splash out, the internal slide of water tube 16
It is plugged with piston 20, the bottom end of piston 20 is fixedly connected with the pull rod 17 that activity runs through 16 bottom wall of water tube, the bottom end of pull rod 17
It is rotatably connected to one end of rocking bar 15, the lower section of water bath 3 is equipped with the motor being fixedly connected on 1 inner cavity rear wall of outer framework,
The output end of motor is fixedly connected with shaft, and successively fixing sleeve is connected to driving wheel 13 and turntable 14 in shaft, rocking bar 15 it is another
End is rotatably connected to the disk edge of turntable 14, and driving wheel 13 is connected with driven wheel, driven wheel rotation connection by belt 12
On 1 inner cavity rear wall of outer framework, the first hypodontia wheel 10, the teeth model of the first hypodontia wheel 10 have been fixedly and coaxially connected on driven wheel
It encloses for 120-160 degree, the second rack gear 8 can be engaged and move down shorter distance, outlet pipe 5 can be made to be discharged, and energy intermittence is nibbled
The second rack gear 8 is closed, keeps water outlet discontinuous, prevents water temperature from reducing suddenly, the first hypodontia wheel 10 is equipped with the far from the side of turntable 14
Two rack gears 8, the lower slide of the second rack gear 8 are socketed with sleeve 11, and the bottom end of the second rack gear 8 is fixedly connected on by second spring
In the inner bottom wall of sleeve 11, the bottom end of sleeve 11 is slidably connected in the first sliding groove that 1 inner bottom wall of outer framework is opened up, the second tooth
The top of item 8 is fixedly connected with the first l-shaped rod 9, and the first l-shaped rod 9 is fixedly connected with push rod 6 far from the side of the second rack gear 8, pushes away
The side wall top of bar 6 is fixedly connected with the second l-shaped rod 31, and push rod 6 is fixedly connected with far from the side of the second l-shaped rod 31 and L-type
The corresponding pressing plate 29 of the bottom plate of seal plate 24, the length of 29 bottom transverse slat of pressing plate are greater than the length of mandril 28, it is ensured that pressing plate 29
After moving to right, since water level rises, gravity block 18 is moved down, and the mandril 28 that will drive top restores, and will not be in contact with pressing plate 29, is prevented
Only pressing plate 29 moves to left；
It is fixedly connected on the lateral wall of water bath 3 there are two the fixed plate 30 that is distributed up and down, between two fixed plates 30
Distance is identical as the height of second sliding slot, it is ensured that the distance that kickboard 21 moves up and down can make gravity block 18 push the first rack gear 7
It is moved with third rack gear 27, the second hypodontia wheel 26, the second hypodontia wheel 26 is rotatably connected on the lower end surface of fixed plate 30
Teeth range be 300-320 degree, it is ensured that the second hypodontia wheel 26 can rotate biggish angle, make the moving range of mandril 28 compared with
Greatly, it is fixedly connected to mandril 28 on the side wall of the second hypodontia wheel 26, the mandril 28 and the second l-shaped rod 31 being located above are opposite
It answers, underlying mandril 28 is corresponding with the first l-shaped rod 9, and the length of mandril 28 is greater than the height of the first l-shaped rod 9, it is ensured that the
When one l-shaped rod 9 is moved down with the second rack gear 8, the first l-shaped rod 9 can be in contact with mandril 28, and mandril 28 is enable to push the when rotating
One l-shaped rod 9 is mobile, and activity is plugged with the third rack gear 27 being meshed with the second hypodontia wheel 26 in the fixed plate 30 being located above,
Activity is plugged with the first rack gear 7 being meshed with the second hypodontia wheel 26, the length of the first rack gear 7 in underlying fixed plate 30
It is identical as the length of third rack gear 27, and it is all larger than the diameter of the second hypodontia wheel 26, it is ensured that upper and lower two 26 turns of the second hypodontia wheels
Dynamic angle is identical, so that mandril 28 is pushed the first l-shaped rod 9 or the distance of the second l-shaped rod 31 movement is identical, the top of the first rack gear 7
End is fixedly connected with top plate, and top plate is connected by third spring with the fixed plate 30 of lower section, and the top of top plate is equipped with gravity block
18, the top of gravity block 18 is fixedly connected with one end of drawstring 22, and water bath 3 turns close to the top of the side side wall of outlet pipe 5
Dynamic to be connected with fixed pulley 23, the other end activity of drawstring 22 runs through the roof of outer framework 1 and is fixedly connected with around fixed pulley 23
Kickboard 21, the side walls of kickboard 21 are connected in the second sliding slot that 3 inner sidewall of water bath is opened up, motor, power switch and outer
Portion's power supply forms a series circuit by conducting wire.
Working principle: powering on, and driving wheel 13 and turntable 14 rotate, and drives rocking bar 15 that piston 20 is pulled to move up and down,
It will be sprayed again in water inspiration water tube 16, water flow can impact the rotation of rotor plate 19, stir to the water in water bath 3, it is ensured that
Water temperature in water bath 3 is uniform, the water level decreasing in water bath 3, kickboard 21 can therewith decline pull gravity block 18 move up to
Pressure third rack gear 27 engages the second hypodontia wheel 26 and rotates counterclockwise, and drives the rotation of mandril 28 of top to compress the second l-shaped rod 31 right
It moves, drives push rod 6 and the second rack gear 8 to move to right, so that pressing plate 29 is located at the top of 24 bottom plate of L-type seal plate, the first l-shaped rod 9 is close
The mandril 28 of lower section, the second rack gear 8 are meshed with the first hypodontia wheel 10, and the first hypodontia wheel 10 will drive the second rack gear 8 to moving down
It is dynamic, drive push rod 6 to move down, band dynamic pressure plate 29 pulls L-type seal plate 24 to move down, and permeable hole is located at the inside of outlet pipe 5, outlet pipe
5 start to be discharged, and first spring pushes the second rack gear 8 and moves up when the second rack gear 8 is detached from the teeth of the first hypodontia wheel 10, outlet pipe 5
Closure, it is ensured that intermittent water inlet prevents from cooling down too fast in water bath 3, and kickboard 21 is with rising, gravity block 18 when water level rises
Gradually decline compresses the first rack gear 7 and moves down, and the second hypodontia wheel 26 for engaging lower section rotates clockwise, and compresses the mandril 28 of lower section
First l-shaped rod 9 moves to left, and pushes the second rack gear 8 and is detached from the first hypodontia wheel 10, pressing plate 29 is detached from the bottom plate of L-type seal plate 24, makes to push away
Bar 6, the second rack gear 8 and L-type seal plate 24 restore, convenient for addition next time water.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of water-bath automatically added water, including outer framework (1), electric box (2) and water bath (3), it is characterised in that: described
Outer framework (1) is fixedly connected with electric box (2), and the top side wall fixation of the water bath (3) is connected on outer framework (1), described
Outer framework (1) connects on the side wall of the water tank (4) far from being fixedly connected with water tank (4) on the side side wall of electric box (2)
It is connected with outlet pipe (5), the nozzle of the outlet pipe (5) is located at the top of water bath (3), the middle part sliding of the outlet pipe (5)
It is plugged with L-type seal plate (24), the top of the L-type seal plate (24) offers multiple permeable holes, the L-type seal plate (24)
Lower part successively slide the roof through outlet pipe (5) and outer framework (1), the bottom plate of the L-type seal plate (24) passes through multiple
First spring is connected with the inner roof wall of outer framework (1), and there are two right for rotation connection on the inner cavity rear wall of the water bath (3)
Claiming the rotor plate (19) of setting, the lower section of the rotor plate (19) is equipped with the fixed water tube (16) for running through water bath (3) bottom wall,
The internal slide of the water tube (16) is plugged with piston (20), and the bottom end of the piston (20) is fixedly connected with activity through spray
The bottom end of the pull rod (17) of water drum (16) bottom wall, the pull rod (17) is rotatably connected to one end of rocking bar (15), the water bath
(3) lower section is equipped with the motor being fixedly connected on the rear wall of outer framework (1) inner cavity, and the output end of the motor is fixedly connected with
Shaft, successively fixing sleeve is connected to driving wheel (13) and turntable (14) in the shaft, and the other end of the rocking bar (15), which rotates, to be connected
It is connected to the disk edge of turntable (14), the driving wheel (13) is connected with driven wheel, the driven rotation by belt (12)
It is dynamic to be connected on the rear wall of outer framework (1) inner cavity, it has been fixedly and coaxially connected the first hypodontia wheel (10) on the driven wheel, described the
One hypodontia wheel (10) is equipped with the second rack gear (8) far from the side of turntable (14), and the lower slide of second rack gear (8) is socketed with
The bottom end of sleeve (11), second rack gear (8) is fixedly connected in the inner bottom wall of sleeve (11) by second spring, the set
The bottom end of cylinder (11) is slidably connected in the first sliding groove that outer framework (1) inner bottom wall is opened up, the top of second rack gear (8)
It is fixedly connected with the first l-shaped rod (9), first l-shaped rod (9) is fixedly connected with push rod far from the side of the second rack gear (8)
(6), the side wall top of the push rod (6) is fixedly connected with the second l-shaped rod (31), and the push rod (6) is far from the second l-shaped rod (31)
Side be fixedly connected with pressing plate (29) corresponding with the bottom plate of L-type seal plate (24)；
The fixed plate (30) being distributed up and down there are two being fixedly connected on the lateral wall of the water bath (3), the fixed plate (30)
Lower end surface on be rotatably connected to the second hypodontia wheel (26), be fixedly connected to top on the side wall of the second hypodontia wheel (26)
Bar (28), the mandril (28) being located above is corresponding with the second l-shaped rod (31), underlying mandril (28) and the first L
Type bar (9) is corresponding, and activity is plugged with to be meshed with the second hypodontia wheel (26) in the fixed plate (30) being located above
Three rack gears (27), activity is plugged with the first tooth being meshed with the second hypodontia wheel (26) on the underlying fixed plate (30)
Item (7), the top of first rack gear (7) are fixedly connected with top plate, and the top plate passes through the fixed plate of third spring and lower section
(30) it is connected, the top of the top plate is equipped with gravity block (18), and the top of the gravity block (18) is fixedly connected with drawstring
(22) one end, the water bath (3) are rotatably connected to fixed pulley (23), institute close to the top of the side side wall of outlet pipe (5)
The other end activity for stating drawstring (22) runs through the roof of outer framework (1) and is fixedly connected with kickboard (21) around fixed pulley (23),
The side walls of the kickboard (21) are connected in the second sliding slot that water bath (3) inner sidewall is opened up, the motor, power switch
A series circuit is formed by conducting wire with external power supply.
2. a kind of water-bath automatically added water according to claim 1, it is characterised in that: the top of the water tube (16)
It is fixedly connected with spray head, the water tube (16) is located at the lower section of two the first l-shaped rod (9) symmetrical centres.
3. a kind of water-bath automatically added water according to claim 1, it is characterised in that: the length of the mandril (28) is big
Height in the first l-shaped rod (9).
4. a kind of water-bath automatically added water according to claim 1, it is characterised in that: two fixed plates (30) it
Between distance it is identical as the height of second sliding slot.
5. a kind of water-bath automatically added water according to claim 1, it is characterised in that: the length of first rack gear (7)
Degree is identical as the length of third rack gear (27), and is all larger than the diameter of the second hypodontia wheel (26).
6. a kind of water-bath automatically added water according to claim 1, it is characterised in that: the first hypodontia wheel (10)
Teeth range is 120-160 degree.
7. a kind of water-bath automatically added water according to claim 1, it is characterised in that: the second hypodontia wheel (26)
Teeth range is 300-320 degree.
8. a kind of water-bath automatically added water according to claim 1, it is characterised in that: pressing plate (29) bottom transverse slat
Length be greater than mandril (28) length.
9. a kind of water-bath automatically added water according to claim 1, it is characterised in that: be socketed on the outlet pipe (5)
Have sliding sleeve (25), and L-type seal plate (24) passes through the upper and lower side of sliding sleeve (25), sliding sleeve (25) is rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810091006.2A CN110090678B (en) | 2018-01-30 | 2018-01-30 | Water bath kettle capable of automatically adding water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810091006.2A CN110090678B (en) | 2018-01-30 | 2018-01-30 | Water bath kettle capable of automatically adding water |
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| CN110090678A true CN110090678A (en) | 2019-08-06 |
| CN110090678B CN110090678B (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810091006.2A Active CN110090678B (en) | 2018-01-30 | 2018-01-30 | Water bath kettle capable of automatically adding water |
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| CN110354521A (en) * | 2019-08-27 | 2019-10-22 | 徐欢 | It is a kind of to make the device that heating kettle automatically adds water in Rotary Evaporators based on lever principle |
| CN110823674A (en) * | 2019-12-18 | 2020-02-21 | 中国人民解放军陆军军医大学第二附属医院 | Dilution system for blood sample preparation |
| CN111833654A (en) * | 2020-07-14 | 2020-10-27 | 绍兴市小陆科技服务有限公司 | Road early warning device and road early warning method |
| CN112893250A (en) * | 2021-01-14 | 2021-06-04 | 肖文龙 | Medical instrument disinfecting and cleaning equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354521A (en) * | 2019-08-27 | 2019-10-22 | 徐欢 | It is a kind of to make the device that heating kettle automatically adds water in Rotary Evaporators based on lever principle |
| CN110823674A (en) * | 2019-12-18 | 2020-02-21 | 中国人民解放军陆军军医大学第二附属医院 | Dilution system for blood sample preparation |
| CN110823674B (en) * | 2019-12-18 | 2021-12-14 | 中国人民解放军陆军军医大学第二附属医院 | Dilution system for blood sample preparation |
| CN111833654A (en) * | 2020-07-14 | 2020-10-27 | 绍兴市小陆科技服务有限公司 | Road early warning device and road early warning method |
| CN111833654B (en) * | 2020-07-14 | 2022-09-23 | 深圳市华天成科技有限公司 | Road early warning device and road early warning method |
| CN112893250A (en) * | 2021-01-14 | 2021-06-04 | 肖文龙 | Medical instrument disinfecting and cleaning equipment |
| CN112893250B (en) * | 2021-01-14 | 2023-10-24 | 台州市路桥区小国塑料厂 | Medical instrument disinfection cleaning equipment |
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|---|---|
| CN110090678B (en) | 2021-03-02 |
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