[go: up one dir, main page]

CN110342075A - A kind of equipment containing box for Physical Experiment - Google Patents

A kind of equipment containing box for Physical Experiment Download PDF

Info

Publication number
CN110342075A
CN110342075A CN201910715474.7A CN201910715474A CN110342075A CN 110342075 A CN110342075 A CN 110342075A CN 201910715474 A CN201910715474 A CN 201910715474A CN 110342075 A CN110342075 A CN 110342075A
Authority
CN
China
Prior art keywords
containing box
rotation axis
physical experiment
equipment
expansion plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910715474.7A
Other languages
Chinese (zh)
Inventor
周爱民
张书涛
欧阳晋焱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201910715474.7A priority Critical patent/CN110342075A/en
Publication of CN110342075A publication Critical patent/CN110342075A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02Internal fittings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/20External fittings
    • B65D25/24External fittings for spacing bases of containers from supporting surfaces, e.g. legs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/38Devices for discharging contents
    • B65D25/52Devices for discharging successive articles or portions of contents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/68Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Use In Laboratory Experiments (AREA)

Abstract

The invention discloses a kind of equipment containing boxs for Physical Experiment, belong to storage device technical field, including containing box, containing box inner bottom is equipped with rotation axis, rotation axis left side central portion is equipped with left hand thread, rotation axis right side central is equipped with right-handed thread, movable block is connected with by helicitic texture respectively in the middle part of left hand thread and right-handed thread, movable block lower end is hinged with connecting rod, connecting rod bottom end is hinged with expansion plate, containing box bottom end two sides are equipped with and the mutually matched telescopic chute of expansion plate, worm screw is equipped in the middle part of rotation axis, worm screw upper end is engaged with worm gear, sliding slot is equipped in the middle part of worm gear, limited post is installed inside sliding slot, limited post end is connected with lifting column, lifting top end is equipped with inserting column, lifting frame is installed in the middle part of inserting column.The present invention facilitates taking for inner equipment, while also achieving moving up and down for expansion plate so that entire vertical rack and horizontal bracket can move up and down, and entire containing box is moved.

Description

A kind of equipment containing box for Physical Experiment
Technical field
The present invention relates to storage device technical field, specifically a kind of equipment containing box for Physical Experiment.
Background technique
Under the requirement of new course, physics experiments of high school becomes a part more and more important in teaching, and is difficult A biggish subject is spent, teachers clearly understand to allow students there are various physical phenomenons with theorem, often band Students are led to carry out theoretical validation using some physical instruments, experiment equipment needed for some experiments is numerous, if without having The arrangement of effect is stored, and will lead to experiment equipment loss, will also result in collision in the handling process, and collision will cause test equipment Damage.
A kind of high school physics teaching aid containing box that protection effect is good disclosed in Chinese patent (CN207666182U), including it is outer Shell, the inside of the shell are fixedly connected with transverse slat and vertical plate, are fixedly connected at the top of the bottom of transverse slat and vertical plate, and transverse slat and The inner cavity of shell is divided into the first containing cavities, the second containing cavities and third containing cavities, the first containing cavities, the second containing cavities by vertical plate It is provided with damping with the bottom of third containing cavities, although in the cushion guard box body being fixedly connected by cabinet wall The experiment teaching aid in portion disperses the power of vertical direction by the spring reset of buffer board bottom, and the sliding block using buffer board two sides exists Limiting slot is up and down, plays bumper and absorbing shock, and internal experiment equipment is effectively protected in containing box moving process, from And achieve the purpose that protection effect is good.But the high school physics teaching aid containing box that the protection effect is good, only it is provided with a storage Chamber is put into various experiment equipments in the same containing cavities, is inconvenient when taking, while the device is corresponding there is no being arranged Mobile device, when so that needing mobile equipment containing box, very difficult, therefore, it is necessary to further improve.
Summary of the invention
The purpose of the present invention is to provide a kind of equipment containing boxs for Physical Experiment, to solve in above-mentioned background technique The problem of proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of equipment containing box for Physical Experiment, including containing box, the containing box inner bottom are equipped with rotation axis, turn Moving axis left side central portion is equipped with left hand thread, and rotation axis right side central is equipped with right-handed thread, part in left hand thread and right-handed thread Movable block is not connected with by helicitic texture, movable block lower end is hinged with connecting rod, and connecting rod bottom end is hinged with expansion plate, containing box bottom It holds two sides to be equipped with and is equipped with worm screw with the mutually matched telescopic chute of expansion plate, the rotation axis middle part, worm screw upper end is engaged with worm gear, It is equipped with sliding slot in the middle part of worm gear, limited post is installed inside sliding slot, limited post end is connected with lifting column, and lifting top end is equipped with Inserting column, inserting column middle part are equipped with lifting frame, and lifting frame both ends are equipped with guide pad, and guide pad is set to storage chamber interior wall both ends Guide groove in.
As a further solution of the present invention: the lifting frame top is equipped with vertical rack, installation in the middle part of vertical rack There is horizontal bracket.
As a further solution of the present invention: the containing box top has been connected by hinge case lid, case lid lower end right side Equipped with buckle block.
As a further solution of the present invention: the containing box bottom end is equipped with cushion.
As a further solution of the present invention: containing box front and back middle part being fixed on by connecting shaft in the middle part of the worm gear.
As a further solution of the present invention: the case lid upper center is equipped with handle.
As a further solution of the present invention: the one end of the connecting shaft passes through containing box and is connected with driving handle.
As further scheme of the invention: the expansion plate lower end is equipped with several wheel carriers, the installation of wheel carrier bottom end There is traveling wheel.
Compared with prior art, the beneficial effects of the present invention are:
A kind of equipment containing box for Physical Experiment, it is structurally reasonable, it is novel in design, pass through the rotation axis and worm gear being equipped with Between mutual cooperation, both realize lifting frame and move up and down, allow and move down on entire vertical rack and horizontal bracket It is dynamic, taking for inner equipment is facilitated, while also achieving moving up and down for expansion plate, entire containing box is moved It is dynamic, facilitate the carrying of containing box, practical, high reliablity.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of equipment containing box for Physical Experiment.
Fig. 2 is a kind of planar structure schematic diagram of limited post in equipment containing box for Physical Experiment.
Fig. 3 is the installation stereochemical structure signal that frame and limited post are gone up and down in a kind of equipment containing box for Physical Experiment Figure.
Fig. 4 is a kind of side structure schematic view of containing box in equipment containing box for Physical Experiment.
In figure: 1- containing box, 2- guide groove, 3- guide pad, 4- telescopic chute, 5- expansion plate, 6- wheel carrier, 7- traveling wheel, 8- Cushion, 9- rotation axis, 10- left hand thread, 11- right-handed thread, 12- movable block, 13- connecting rod, 14- worm gear, 15- sliding slot, 16- Limited post, 17- inserting column, 18- vertical rack, 19- horizontal bracket, 20- case lid, 21- handle, 22- buckle block, 23- goes up and down frame, 24- lifting column, 25- driving handle, 26- worm screw.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple " It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
Refering to fig. 1~4, in the embodiment of the present invention, a kind of equipment containing box for Physical Experiment, including containing box 1, the receipts Receiving 1 bottom end of case is equipped with cushion 8, for ensuring that whole device when moving, can not will not occur to shake on a large scale, institute It states 1 top of containing box and has been connected by hinge case lid 20, for being sealed to 1 top of containing box, avoid without using entire dress When setting, extraneous dust enters in containing box 1 and then pollutes experiment equipment, and buckle block 22 is equipped on the right side of 20 lower end of case lid, is used for It is fixedly connected with containing box 1,1 inner bottom of containing box is equipped with rotation axis 9, and 9 left side central portion of rotation axis is equipped with a left side Screw thread 10 is revolved, 9 right side central of rotation axis is equipped with right-handed thread 11, and left hand thread 10 and 11 middle part of right-handed thread pass through screw thread respectively Structure is connected with movable block 12, by the way that the external screw thread of different rotation directions is arranged at 9 both ends of rotation axis, so that two movable blocks 12 Moving direction on the contrary, 12 lower end of movable block is hinged with connecting rod 13,13 bottom end of connecting rod is hinged with expansion plate 5,1 bottom end two of containing box Side is equipped with and keeps away with the mutually matched telescopic chute 4 of expansion plate 5 for the mobile carry out limition orientation of the upper and lower position to expansion plate 5 Exempt to shake in its moving process, 5 lower end of expansion plate is equipped with several wheel carriers 6, and 6 bottom end of wheel carrier is equipped with traveling wheel 7, for carrying out mobile support to whole device.
Worm screw 26 is equipped in the middle part of the rotation axis 9,26 upper end of worm screw is engaged with worm gear 14, passes through company in the middle part of the worm gear 14 Spindle is fixed on 1 front and back middle part of containing box, and then is attached limit to worm gear 14, and the one end of the connecting shaft passes through containing box 1 It is connected with driving handle 25, for driving connecting shaft to be rotated, and then realizes that worm gear 14 rotates, sliding slot is equipped in the middle part of worm gear 14 15, limited post 16 is installed inside sliding slot 15,16 end of limited post is connected with lifting column 24, and 24 top of lifting column is equipped with grafting Column 17, is equipped with lifting frame 23 in the middle part of inserting column 17, and 23 top of lifting frame is equipped with vertical rack 18, in vertical rack 18 Portion is equipped with horizontal bracket 19, vertical rack 18 and horizontal bracket 19 for separating 1 upper area of containing box, thus side Different type experiment equipment placement, lifting 23 both ends of frame are equipped with guide pad 3, and guide pad 3 is set to 1 inner wall two of containing box In the guide groove 1 at end, to move up and down carry out limition orientation to lifting frame 23, it is avoided to shake.
Embodiment 2
In another embodiment of the invention, it is in place of the difference of the embodiment and above-described embodiment, on the case lid 20 End middle part is equipped with handle 21, by the way that handle 21 is arranged, facilitates staff and opens case lid 20, and then can be smoothly from receipts It receives and takes out equipment in case 1.
Of the invention, in use, then rotate driving handle 25, driving handle 25 drive connection when needing to take out equipment Axis rotation, so that worm gear 14 rotates, to pass through the effect of limited post 24, so that effect of the lifting column 24 in inserting column 17 Under, so that lifting frame 23 up moves, at this point, staff can open case lid 20, by experiment equipment with 18 He of vertical rack It takes down in horizontal bracket 19, is rotated simultaneously in worm gear 14, meeting and worm screw 9 rotate, so that entire rotation axis 9 is rotated, To cooperating between left hand thread 10, right-handed thread 11 and movable block 12, expansion plate 5 moves down, and then by traveling wheel 7 and ground Entire cushion 8 is detached from ground by face contact, at this point, entire containing box can move, has been further facilitated to experiment equipment It takes, whole operation is simple and convenient.The present invention, it is structurally reasonable, it is novel in design, by between the rotation axis 9 being equipped with and worm gear 14 Mutual cooperation, both realize lifting frame 23 and move up and down, allow entire vertical rack 18 and horizontal bracket about 19 It is mobile, facilitate taking for inner equipment, while also achieving moving up and down for expansion plate 5, allow entire containing box 1 into Row movement, facilitates the carrying of containing box 1, practical, high reliablity.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (8)

1. a kind of equipment containing box for Physical Experiment, including containing box (1), containing box (1) inner bottom is equipped with Rotation axis (9), rotation axis (9) left side central portion are equipped with left hand thread (10), and rotation axis (9) right side central is equipped with right-handed thread (11), which is characterized in that movable block is connected with by helicitic texture respectively in the middle part of left hand thread (10) and right-handed thread (11) (12), movable block (12) lower end is hinged with connecting rod (13), and connecting rod (13) bottom end is hinged with expansion plate (5), containing box (1) bottom end two Side be equipped with expansion plate (5) mutually matched telescopic chute (4), worm screw (26) are equipped in the middle part of the rotation axis (9), on worm screw (26) End is engaged with worm gear (14), is equipped with sliding slot (15) in the middle part of worm gear (14), is equipped with limited post (16), limited post inside sliding slot (15) (16) end is connected with lifting column (24), and lifting column (24) top is equipped with inserting column (17), is equipped in the middle part of inserting column (17) It goes up and down frame (23), lifting frame (23) both ends are equipped with guide pad (3), and guide pad (3) is set to the guiding at containing box (1) inner wall both ends In slot (1).
2. a kind of equipment containing box for Physical Experiment according to claim 1, which is characterized in that the lifting frame (23) top is equipped with vertical rack (18), is equipped with horizontal bracket (19) in the middle part of vertical rack (18).
3. a kind of equipment containing box for Physical Experiment according to claim 1, which is characterized in that the containing box (1) top has been connected by hinge case lid (20), and buckle block (22) is equipped on the right side of case lid (20) lower end.
4. a kind of equipment containing box for Physical Experiment according to claim 1 or 3, which is characterized in that the storage Case (1) bottom end is equipped with cushion (8).
5. a kind of equipment containing box for Physical Experiment according to claim 1, which is characterized in that the worm gear (14) Containing box (1) front and back middle part is fixed on by connecting shaft in middle part.
6. a kind of equipment containing box for Physical Experiment according to claim 3, which is characterized in that the case lid (20) Upper center is equipped with handle (21).
7. a kind of equipment containing box for Physical Experiment according to claim 5, which is characterized in that the connecting shaft one End is connected with driving handle (25) across containing box (1).
8. a kind of equipment containing box for Physical Experiment according to claim 1, which is characterized in that the expansion plate (5) lower end is equipped with several wheel carriers (6), and wheel carrier (6) bottom end is equipped with traveling wheel (7).
CN201910715474.7A 2019-08-05 2019-08-05 A kind of equipment containing box for Physical Experiment Pending CN110342075A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910715474.7A CN110342075A (en) 2019-08-05 2019-08-05 A kind of equipment containing box for Physical Experiment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910715474.7A CN110342075A (en) 2019-08-05 2019-08-05 A kind of equipment containing box for Physical Experiment

Publications (1)

Publication Number Publication Date
CN110342075A true CN110342075A (en) 2019-10-18

Family

ID=68183920

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910715474.7A Pending CN110342075A (en) 2019-08-05 2019-08-05 A kind of equipment containing box for Physical Experiment

Country Status (1)

Country Link
CN (1) CN110342075A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111012063A (en) * 2019-12-11 2020-04-17 常德铭饰家木制品有限公司 Dampproofing remove flavor type and remove wardrobe with pin-connected panel storage space
CN111999180A (en) * 2020-08-19 2020-11-27 李修启 Building material strength detection device
CN112236019A (en) * 2020-11-06 2021-01-15 深圳市奥振电子科技有限公司 An ultra-thin double-sided advertising machine heat dissipation structure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006010126U1 (en) * 2006-06-28 2006-09-07 Uesa Transporttechnik Gmbh Parking device for rolling container has vertically movable foot support actuated by lever mechanism with two elbow levers pivoting about fixed bearing and coupled to vertically movable pressure bar
CN204889028U (en) * 2015-08-24 2015-12-23 吕浩洋 Experimental apparatus stores mobile device for high school physics
CN207417435U (en) * 2017-09-29 2018-05-29 耿伊晨 For placing the transport box of instruments used for education
CN207956344U (en) * 2018-02-07 2018-10-12 石家庄伍强房屋建筑工程有限公司 Electromechanical equipment Transport Desk
CN208037001U (en) * 2017-12-27 2018-11-02 冬青(天津)生物科技有限公司 A kind of mobile device of cell safety cabinet
CN208733507U (en) * 2018-07-11 2019-04-12 广西正茂路桥建设有限公司 A kind of adjustable engineering section alarming device
CN209192480U (en) * 2018-10-26 2019-08-02 哈尔滨师范大学 A kind of Physical Experiment apparatus storing unit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006010126U1 (en) * 2006-06-28 2006-09-07 Uesa Transporttechnik Gmbh Parking device for rolling container has vertically movable foot support actuated by lever mechanism with two elbow levers pivoting about fixed bearing and coupled to vertically movable pressure bar
CN204889028U (en) * 2015-08-24 2015-12-23 吕浩洋 Experimental apparatus stores mobile device for high school physics
CN207417435U (en) * 2017-09-29 2018-05-29 耿伊晨 For placing the transport box of instruments used for education
CN208037001U (en) * 2017-12-27 2018-11-02 冬青(天津)生物科技有限公司 A kind of mobile device of cell safety cabinet
CN207956344U (en) * 2018-02-07 2018-10-12 石家庄伍强房屋建筑工程有限公司 Electromechanical equipment Transport Desk
CN208733507U (en) * 2018-07-11 2019-04-12 广西正茂路桥建设有限公司 A kind of adjustable engineering section alarming device
CN209192480U (en) * 2018-10-26 2019-08-02 哈尔滨师范大学 A kind of Physical Experiment apparatus storing unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111012063A (en) * 2019-12-11 2020-04-17 常德铭饰家木制品有限公司 Dampproofing remove flavor type and remove wardrobe with pin-connected panel storage space
CN111012063B (en) * 2019-12-11 2021-05-18 常德铭饰家木制品有限公司 Dampproofing remove flavor type and remove wardrobe with pin-connected panel storage space
CN111999180A (en) * 2020-08-19 2020-11-27 李修启 Building material strength detection device
CN112236019A (en) * 2020-11-06 2021-01-15 深圳市奥振电子科技有限公司 An ultra-thin double-sided advertising machine heat dissipation structure

Similar Documents

Publication Publication Date Title
CN110342075A (en) A kind of equipment containing box for Physical Experiment
CN207956344U (en) Electromechanical equipment Transport Desk
CN213676825U (en) Loading cart for carrying electric appliance
CN208007551U (en) A kind of logistics transport case
CN109094952B (en) Special vehicle-mounted storage and transportation equipment for stem cells and bioactive preparations
CN113142836A (en) Intelligent consultation system for construction engineering cost
CN208427084U (en) A kind of natural sciences experiment station with dust reduction capability
CN110125897B (en) Rack that intelligent manufacturing was convenient for protect spare part
CN213715034U (en) High-precision infrared carbon monoxide analyzer
CN113833944A (en) Portable protection device of wave recorder
CN211001483U (en) Haulage equipment that shock-absorbing capacity is good
CN213102308U (en) Hematology specialty nursing is with sample test tube bin
CN214587373U (en) Accounting teaching data analysis device that suitability is strong
CN115184980B (en) Portable gamma spectrometer
CN208037001U (en) A kind of mobile device of cell safety cabinet
CN207895726U (en) A kind of electrotechnical, electronic training platform device
CN215117852U (en) Portable multimedia teaching equipment
CN207733794U (en) A kind of applied mathematics teaching aid tool box
CN116812333A (en) Sensor transportation bin
CN212110293U (en) Automatic weighing device for product production
CN213565939U (en) Shock absorption mechanism of loading cart for carrying electric appliances
CN210324947U (en) Teaching management is with intelligent publicity board
CN216721735U (en) Data center infrastructure integrated management device
CN219894910U (en) Case and bag convenient to article is placed neatly
CN222726686U (en) A highway engineering experimental detection toolbox

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20191018