CN109229882A - A kind of Physical Experiment equipment containing case - Google Patents
A kind of Physical Experiment equipment containing case Download PDFInfo
- Publication number
- CN109229882A CN109229882A CN201810931779.7A CN201810931779A CN109229882A CN 109229882 A CN109229882 A CN 109229882A CN 201810931779 A CN201810931779 A CN 201810931779A CN 109229882 A CN109229882 A CN 109229882A
- Authority
- CN
- China
- Prior art keywords
- outer container
- fixedly connected
- upper cover
- interior
- physical experiment
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
- B65D77/0446—Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid or semi-rigid and the outer container being of polygonal cross-section not formed by folding or erecting one or more blanks
- B65D77/0453—Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid or semi-rigid and the outer container being of polygonal cross-section not formed by folding or erecting one or more blanks the inner container having a polygonal cross-section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of Physical Experiment equipment containing cases, including outer container, interior case and upper cover, the outer upper box part is hinged with upper cover, upper cover upper face center is fixedly connected with handle, upper cover outer rim is fixedly connected with lantern ring, outer container upper outside is provided with bolt, and bolt connects outer container, bolt grafting slotting ring by the first spring；The outer container is internally provided with interior case, and interior case two sides of the bottom are rotatably connected to connecting rod respectively, and connecting rod lower end is rotatablely connected thread bush, and thread bush is threadedly coupled Bidirectional-screw, and Bidirectional-screw both ends distinguish bearing and are rotatablely connected outer chamber interior wall；Micromotor is arranged in the outer container interior bottom portion, and the outer container bottom other side is fixedly connected with battery；The micromotor is rotatablely connected motor shaft, and motor axle bearing is rotatablely connected vertical plate, and vertical plate lower end is fixedly connected with outer container bottom, and passes through synchronous band connection in the middle part of motor shaft and Bidirectional-screw；The interior box top side is rotatablely connected runner, and runner top is bonded upper cover lower surface.
Description
Technical field
The present invention relates to a kind of experiment appliance, specifically a kind of Physical Experiment equipment containing case.
Background technique
Physical Experiment adds in line with the educational spirit for reinforcing basis, attention applies, improves the quality, cultivates one's ability, pioneers and invents
The autonomous manipulative ability of strong student, theoretical knowledge is combined with practical application, better understands physical theory.
The ideasand methods and skill for facilitating students Physical Experiment by Physical Experiment, form student good
Experimental Habits are independently completed experiment, and have certain independent observation physical phenomenon and complete independently compostive design experiment
Ability.Physics is better understood and view, can be interested in physics, actively participate in every Physical Experiment.
But there is no dedicated containing case, the storage of equipment is inconvenient existing Physical Experiment equipment at present.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of Physical Experiment equipment containing case
Problem.
To achieve the above object, the invention provides the following technical scheme:
A kind of Physical Experiment equipment containing case, including outer container, interior case and upper cover, the outer upper box part are hinged with upper cover, on
Cap upper surface center is fixedly connected with handle, and upper cover outer rim is fixedly connected with lantern ring, and outer container upper outside is provided with bolt, and bolt is logical
Cross the first spring connection outer container, bolt grafting slotting ring；The outer container is internally provided with interior case, and interior case two sides of the bottom turn respectively
Dynamic to be connected with connecting rod, connecting rod lower end is rotatablely connected thread bush, and thread bush is threadedly coupled Bidirectional-screw, and axis is distinguished at Bidirectional-screw both ends
Hold the outer chamber interior wall of rotation connection；Micromotor is arranged in the outer container interior bottom portion, and the outer container bottom other side is fixedly connected with electric power storage
Pond；The micromotor is rotatablely connected motor shaft, and motor axle bearing is rotatablely connected vertical plate, and vertical plate lower end is fixedly connected with outer bottom
Portion, and pass through synchronous band connection in the middle part of motor shaft and Bidirectional-screw；The interior box top side is rotatablely connected runner, runner top
It is bonded upper cover lower surface.
As a further solution of the present invention: outer container lower end two sides are respectively arranged with damping device.
As the present invention further scheme: the damping device includes fixed cylinder, telescopic outrigger and second spring,
Middle fixed cylinder is fixedly connected with outer container two sides of the bottom, and fixed cylinder lower part is socketed telescopic outrigger, passes through between telescopic outrigger and fixed cylinder
Second spring connection.
As further scheme of the invention: the damping device includes leaf spring, turning rolls and movable pulley, leaf spring upper end
Center is fixedly connected with outer container bottom, and leaf spring lower end two sides are rotatably connected to turning rolls respectively, are rotatablely connected movable pulley in turning rolls.
As further scheme of the invention: the micromotor lower end is fixedly connected with motor base, motor base spiral shell
Bolt is fixedly connected with outer container bottom.
As further scheme of the invention: the battery cable connection switch and micromotor, micromotor are
Servo motor.
As further scheme of the invention: the interior case is longitudinally placed equidistant with multiple shelves, and shelf is fixedly connected interior
Chamber interior wall.
Compared with prior art, the beneficial effects of the present invention are: the containing case drives thread bush using Bidirectional-screw rotation
It moves left and right and then drives interior case to move up and down using connecting rod, upper cover automatic shutter is driven while interior case moves up and down, from
Dynamicization degree is high, and is provided with a variety of effective damping facilities in the bottom of outer container in the application, the physics in internal case
Equipment plays the effect of damping and protection, substantially increases the service life of equipment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Physical Experiment equipment containing case.
Fig. 2 is the partial enlarged view in Physical Experiment equipment containing case at A.
Fig. 3 is the bottom view of interior case and connecting rod in Physical Experiment equipment containing case.
In figure: 1- outer container；Case in 2-；3- upper cover；4- handle；5- lantern ring；6- shelf；7- runner；8- bolt；The first bullet of 9-
Spring；10- slotting ring；11- micromotor；12- motor base；13- motor shaft；14- vertical plate；15- battery；16- synchronous belt；17-
Bidirectional-screw；18- thread bush；19- connecting rod；20- fixed cylinder；21- telescopic outrigger；22- second spring.
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.
Embodiment 1
Please refer to Fig. 1~3, in the embodiment of the present invention, a kind of Physical Experiment equipment containing case, including outer container 1,2 and of interior case
Upper cover 3；1 top of outer container is hinged with upper cover 3, and 3 upper face center of upper cover is fixedly connected with handle 4, and 3 outer rim of upper cover is fixedly connected
There is lantern ring 5,1 upper outside of outer container is provided with bolt 8, and specifically, bolt 8 is inserted by 9 elastic connection outer container 1 of the first spring
8 grafting slotting ring 10 of pin can be achieved to close box house the closing of upper cover 3 by bolt 8 and the cooperation of lantern ring 5；
The outer container 1 is internally provided with interior case 2, and interior case 2 is longitudinal to be placed equidistant with multiple shelves 6, and shelf 6 is fixedly connected with interior 2 inner wall of case, and
Interior 2 two sides of the bottom of case are rotatably connected to connecting rod 19 respectively, and 19 lower end of connecting rod is rotatablely connected thread bush 18, and thread bush 18 is threadedly coupled
Bidirectional-screw 17,17 both ends of Bidirectional-screw distinguish bearing and are rotatablely connected 1 inner wall of outer container, support interior case 2 firm by connecting rod 19, spiral shell
There is self-locking function between the thread bush 18 and Bidirectional-screw 17 of line connection, can prevent interior case 2 from falling under the effect of gravity.
Micromotor 11 is arranged in 1 interior bottom portion of outer container, and 11 lower end of micromotor is fixedly connected with motor base 12, motor
12 bolt of pedestal is fixedly connected with 1 bottom of outer container, and the 1 bottom other side of outer container is fixedly connected with battery 15,15 conducting wire of battery
Connection switch and micromotor 11, micromotor 11 are servo motor, can be realized as needed positive and negative two to rotation；It is described miniature
Motor 11 is rotatablely connected motor shaft 13, and 13 bearing of motor shaft is rotatablely connected vertical plate 14, and 14 lower end of vertical plate is fixedly connected with 1 bottom of outer container
Portion, and motor shaft 13 is connect in the middle part of Bidirectional-screw 17 by synchronous belt 16, forward direction presses switch so that micromotor 11 is powered
Work drives motor shaft 13 to rotate forward, and motor shaft 13 drives Bidirectional-screw 17 to rotate forward and then drive the screw thread of two sides using synchronous belt 16
Set 18 is located remotely from each other, and thread bush 18 drives interior case 2 to rise by connecting rod 19, similarly, is reversely pressed switch and is driven Bidirectional-screw 17
Case 2 lands in inverting and then driving, and reaches the function that case 2 is gone up and down in controlling.
The 2 top side of interior case is rotatablely connected runner 7, and 7 top of runner is bonded 3 lower surface of upper cover, 1 lower end two sides of outer container
It is respectively arranged with damping device, bolt 8 is pulled to open upper cover 3, upper cover 3 is driven certainly by runner 7 while interior case 2 rises
Dynamic to open, interior case 2 realizes being automatically closed for upper cover 3 when declining under the effect of gravity, slows down external concussion pair using damping device
It is impacted caused by equipment in interior case 2, protection equipment is against damages；The damping device includes fixed cylinder 20, telescopic outrigger 21
With second spring 22, wherein fixed cylinder 20 is fixedly connected with 1 two sides of the bottom of outer container, and 20 lower part of fixed cylinder is socketed telescopic outrigger 21, stretches
Connected between contracting supporting leg 21 and fixed cylinder 20 by second spring 22, using second spring 22 and telescopic outrigger 21 to outer container 1 into
The damping of internal case 2 is realized in row damping in turn.
Embodiment 2
For above-described embodiment 1, equivalence replacement now is carried out to damping device therein, is reached by different technological means
Identical technical effect, so that the technical solution of the application is more complete and full and accurate, specifically apparently, the area with embodiment 1
It not being characterized in that, the damping device includes leaf spring, turning rolls and movable pulley, and leaf spring upper-center is fixedly connected with 1 bottom of outer container,
Leaf spring lower end two sides are rotatably connected to turning rolls respectively, are rotatablely connected movable pulley in turning rolls, are reached by leaf spring and movable pulley
The identical damping effect to outer container 1 protects the purpose of internal physical experiment equipment.
The working principle of the invention is: the closing to upper cover 3 can be achieved to cabinet by bolt 8 and the cooperation of lantern ring 5
Inside is closed, and supports interior case 2 firm by connecting rod 19, has certainly between the thread bush 18 and Bidirectional-screw 17 of threaded connection
Lock function can prevent interior case 2 from falling under the effect of gravity, and forward direction presses switch so that micromotor 11 is powered on drive motor
Axis 13 rotates forward, and motor shaft 13 drives Bidirectional-screw 17 to rotate forward and then drives the thread bush 18 of two sides mutually remote using synchronous belt 16
From thread bush 18 drives interior case 2 to rise by connecting rod 19, similarly, reversely presses switch and Bidirectional-screw 17 is driven to invert and then drive
Case 2 lands in dynamic, reaches the function that case 2 is gone up and down in controlling, and bolt 8 is pulled to open upper cover 3, logical while interior case 2 rises
Crossing runner 7 drives upper cover 3 to automatically open, and interior case 2 realizes being automatically closed for upper cover 3 when declining under the effect of gravity, utilizes damping
Device slows down impact caused by the external equipment shaken in internal case 2, and protection equipment is against damages.
It should be strongly noted that micromotor is the application of the prior art in the application, band is rotated using Bidirectional-screw
Dynamic thread bush moves left and right and then drives interior case to move up and down using connecting rod, drives upper cover automatic while interior case moves up and down
Opening and closing, high degree of automation, and a variety of effective damping facilities are provided in the bottom of outer container in the application, in internal case
Physical instruments play damping and protection the effect of, substantially increase equipment service life be the application innovative point, have
Effect solves the problems, such as that existing containing case the degree of automation is not high.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of Physical Experiment equipment containing case, including outer container (1), interior case (2) and upper cover (3), which is characterized in that the outer container
(1) top is hinged with upper cover (3), and upper cover (3) upper face center is fixedly connected handle (4), and upper cover (3) outer rim is fixedly connected with set
Ring (5), outer container (1) upper outside are provided with bolt (8), and bolt (8) passes through the first spring (9) elastic connection outer container (1), bolt
(8) grafting slotting ring (10)；The outer container (1) is internally provided with interior case (2), interior case (2) the two sides of the bottom company of being rotatably connected to respectively
Bar (19), connecting rod (19) lower end are rotatablely connected thread bush (18), and thread bush (18) is threadedly coupled Bidirectional-screw (17), Bidirectional-screw
(17) difference bearing in both ends is rotatablely connected outer container (1) inner wall；Micromotor (11) are arranged in outer container (1) interior bottom portion, outer container
(1) the bottom other side is fixedly connected with battery (15)；The micromotor (11) is rotatablely connected motor shaft (13), motor shaft
(13) bearing rotation connection vertical plate (14), vertical plate (14) lower end are fixedly connected with outer container (1) bottom, and motor shaft (13) and two-way silk
It is connected in the middle part of bar (17) by synchronous belt (16)；Side rotation connection runner (7) at the top of the interior case (2), runner (7) top patch
Close lid (3) lower surface.
2. a kind of Physical Experiment equipment containing case according to claim 1, which is characterized in that outer container (1) lower end two
Side is respectively arranged with damping device.
3. a kind of Physical Experiment equipment containing case according to claim 2, which is characterized in that the damping device includes solid
Safety barrel (20), telescopic outrigger (21) and second spring (22), wherein fixed cylinder (20) is fixedly connected with outer container (1) two sides of the bottom, Gu
Safety barrel (20) lower part is socketed telescopic outrigger (21), between telescopic outrigger (21) and fixed cylinder (20) even by second spring (22)
It connects.
4. a kind of Physical Experiment equipment containing case according to claim 2, which is characterized in that the damping device includes plate
Spring, turning rolls and movable pulley, leaf spring upper-center are fixedly connected with outer container (1) bottom, and leaf spring lower end two sides are rotatably connected to respectively
Turning rolls, turning rolls is interior to be rotatablely connected movable pulley.
5. a kind of Physical Experiment equipment containing case according to claim 1, which is characterized in that under the micromotor (11)
End is fixedly connected motor base (12), and motor base (12) bolt is fixedly connected with outer container (1) bottom.
6. a kind of Physical Experiment equipment containing case according to claim 1, which is characterized in that battery (15) conducting wire
Connection switch and micromotor (11), micromotor (11) are servo motor.
7. a kind of Physical Experiment equipment containing case according to claim 1, which is characterized in that described interior case (2) longitudinal direction etc.
Away from multiple shelves (6) are arranged, shelf (6) is fixedly connected with interior case (2) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810931779.7A CN109229882A (en) | 2018-08-16 | 2018-08-16 | A kind of Physical Experiment equipment containing case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810931779.7A CN109229882A (en) | 2018-08-16 | 2018-08-16 | A kind of Physical Experiment equipment containing case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109229882A true CN109229882A (en) | 2019-01-18 |
Family
ID=65070537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810931779.7A Pending CN109229882A (en) | 2018-08-16 | 2018-08-16 | A kind of Physical Experiment equipment containing case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109229882A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112355491A (en) * | 2020-10-19 | 2021-02-12 | 河北省机械科学研究设计院 | Laser blanking line waste collecting system and using method thereof |
| CN113119048A (en) * | 2019-12-31 | 2021-07-16 | 南宁学院 | Toolbox for physics experiments |
| CN114379928A (en) * | 2022-01-21 | 2022-04-22 | 湖北楚园乡供应链管理服务有限公司 | Multilayer conveyer is used in agricultural and sideline products purchase that protectiveness is good |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2411170C1 (en) * | 2010-03-04 | 2011-02-10 | Владимир Николаевич Тимошин | Container for collection and transportation of mercury-containing lamp (versions) |
| CN205972249U (en) * | 2016-07-30 | 2017-02-22 | 唐山学院 | Components and parts storage device is used in thing networking |
| CN107185822A (en) * | 2017-05-26 | 2017-09-22 | 耒阳市耒兴薯业发展有限公司 | Impurity screening plant is used in a kind of sweet potato slices production |
| CN206933754U (en) * | 2017-01-19 | 2018-01-30 | 长沙师范学院 | A kind of Liftable type rotates sketch shooting table |
| CN206951244U (en) * | 2017-03-29 | 2018-02-02 | 张鹏森 | Physical Experiment articles for use placing box |
| CN107823944A (en) * | 2017-11-17 | 2018-03-23 | 盱眙县生产力促进中心 | A kind of sewage-treatment plant for building with shock-absorbing function |
| CN207355651U (en) * | 2017-09-27 | 2018-05-15 | 于卓惠 | A kind of Physical Experiment tool box |
-
2018
- 2018-08-16 CN CN201810931779.7A patent/CN109229882A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2411170C1 (en) * | 2010-03-04 | 2011-02-10 | Владимир Николаевич Тимошин | Container for collection and transportation of mercury-containing lamp (versions) |
| CN205972249U (en) * | 2016-07-30 | 2017-02-22 | 唐山学院 | Components and parts storage device is used in thing networking |
| CN206933754U (en) * | 2017-01-19 | 2018-01-30 | 长沙师范学院 | A kind of Liftable type rotates sketch shooting table |
| CN206951244U (en) * | 2017-03-29 | 2018-02-02 | 张鹏森 | Physical Experiment articles for use placing box |
| CN107185822A (en) * | 2017-05-26 | 2017-09-22 | 耒阳市耒兴薯业发展有限公司 | Impurity screening plant is used in a kind of sweet potato slices production |
| CN207355651U (en) * | 2017-09-27 | 2018-05-15 | 于卓惠 | A kind of Physical Experiment tool box |
| CN107823944A (en) * | 2017-11-17 | 2018-03-23 | 盱眙县生产力促进中心 | A kind of sewage-treatment plant for building with shock-absorbing function |
Non-Patent Citations (1)
| Title |
|---|
| 赵学田: "《机械设计自学入门》", 31 December 1993, 冶金工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113119048A (en) * | 2019-12-31 | 2021-07-16 | 南宁学院 | Toolbox for physics experiments |
| CN112355491A (en) * | 2020-10-19 | 2021-02-12 | 河北省机械科学研究设计院 | Laser blanking line waste collecting system and using method thereof |
| CN114379928A (en) * | 2022-01-21 | 2022-04-22 | 湖北楚园乡供应链管理服务有限公司 | Multilayer conveyer is used in agricultural and sideline products purchase that protectiveness is good |
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Application publication date: 20190118 |
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