CN208679208U - High school chemical experiment shield - Google Patents
High school chemical experiment shield Download PDFInfo
- Publication number
- CN208679208U CN208679208U CN201821368424.3U CN201821368424U CN208679208U CN 208679208 U CN208679208 U CN 208679208U CN 201821368424 U CN201821368424 U CN 201821368424U CN 208679208 U CN208679208 U CN 208679208U
- Authority
- CN
- China
- Prior art keywords
- cover
- gear
- chemical experiment
- high school
- school chemical
- 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.)
- Expired - Fee Related
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The utility model discloses high school chemical experiment shields, including cover and handle box, the cover upper end is rotatably connected to cover top using hinge, the cover lower wall gluing has circle set and circular shaft, the circular shaft is set in the inside of circle set, the circle set is rotatably connected to first gear using bearing, the circular shaft upper end is welded with sphere, ball cover is arranged with outside the sphere, beaker platform is welded on the ball cover, beaker platform upper end gluing has limit sleeve, and there are three traveller and a threaded rods for setting in the first gear.Beaker platform is provided in shield during this is practical, beaker platform keeps heeling condition under the promotion of threaded rod, first gear can be driven to rotate for decelerating motor so that threaded rod rotates, and then rock beaker platform ceaselessly, mix reagent therein while reaction more uniform, so that reaction is more thorough.
Description
Technical field
The utility model relates to shield technical field more particularly to high school chemical experiment shields.
Background technique
When carrying out chemical experiment, it can inevitably touch various strong acid, highly basic and some be harmful to the human body
Substance, if these substances may splash in human skin or eyes without protecting well, in existing chemical experiment
In, due to lacking corresponding protective device, when adding reagent to containers such as beakers, acutely due to its reaction, often it is corrosive molten
Liquid, which sputters, to be come, and causes to damage to human body, so often requiring to use shield for preventing experimenter from coming to harm；
In chemical experiment, in order to guarantee that reaction carries out more thorough, generally requires to rock the reaction vessels such as beaker, keep away
It is poor and react halfway situation to exempt from reactant mixability therein, since often space is smaller in shield, uses hand
The difficulty for rocking the reaction vessels such as beaker is larger, and chemical reaction is caused to be not thorough.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the one kind proposed can make to react
The more thorough high school chemical experiment shield of progress is reacted in container.
To achieve the goals above, the utility model adopts the technical scheme that
High school chemical experiment shield, including cover and handle box, the cover upper end are rotatably connected to cover using hinge
Top, the cover lower wall gluing have circle set and circular shaft, and the circular shaft is set in the inside of circle set, and the circle set is rotated using bearing
It is connected with first gear, the circular shaft upper end is welded with sphere, is arranged with ball cover outside the sphere, burning is welded on the ball cover
Cup platform, beaker platform upper end gluing have limit sleeve, and there are three traveller and a threaded rods for setting in the first gear.
Preferably, three travellers and threaded rod are symmetricly set in first gear, and each traveller upper end covers
Equipped with a sliding sleeve, a spring is provided in each traveller, the spring upper end offsets with sliding sleeve, the spring
Lower end offsets with traveller, and the threaded rod is threadedly coupled with first gear, and the lower end of the threaded rod is welded with knob.
Preferably, the first gear is engaged with second gear, and the cover lower wall is equipped with decelerating motor using bolt.
Preferably, two wall of left and right of the cover offers a handle hole, and the upper end gluing on the cover top has handle.
Preferably, the upper wall gluing of the cover has a circle gasket.
Preferably, stomata is offered on the cover top, gluing has tracheae at the stomata, and the other end of the tracheae leads to
In handle box.
Compared with the prior art, the advantages of the utility model are:
1. being provided with beaker platform in the shield in practical, beaker platform keeps heeling condition under the promotion of threaded rod,
First gear can be driven to rotate for decelerating motor so that threaded rod rotates, and then rocks beaker platform ceaselessly, makes reagent therein
Reaction while mix it is more uniform so that reaction more thoroughly；
2. threaded rod can be driven to move up and down by turn knobs, it can be corresponding downward with three circle sets that beaker platform offsets
Movement, when threaded rod moves upwards, the amplitude that motor drives beaker platform to rock is bigger, in actual experimental implementation, tests people
Member should according to reactant number and reactant sliminess adjustment threaded rod position, it is ensured that reaction on beaker platform is held
While device will not trickle down reactant, reactant is mixed also more uniform.
Detailed description of the invention
Fig. 1 be the utility model proposes high school chemical experiment shield structural schematic diagram；
Fig. 2 be the utility model proposes high school chemical experiment shield in beaker platform part structural schematic diagram；
Fig. 3 be the utility model proposes high school chemical experiment shield part A structure enlargement diagram；
Fig. 4 be the utility model proposes high school chemical experiment shield another kind embodiment structural schematic diagram.
In figure: 1 cover, 2 cover tops, 3 circle sets, 4 circular shafts, 5 first gears, 6 spheres, 7 ball covers, 8 beaker platforms, 9 travellers, 10 are slided
Set, 11 springs, 12 threaded rods, 13 knobs, 14 second gears, 15 decelerating motors, 16 limit sleeves, 17 handle holes, 18 handles, 19 gas
Hole, 20 tracheaes, 21 handle boxes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
This is practical for ease of description and simplifies description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as the limitation practical to this.
Embodiment one
Referring to Fig.1-3, high school chemical experiment shield, including cover 1 and handle box 21,1 upper end of cover are turned using hinge
Dynamic to be connected with cover top 2,1 lower wall gluing of cover has circle set 3 and circular shaft 4, and circular shaft 4 is set in the inside of circle set 3, circular shaft 4 and circle set 3
It does not contact, circle set 3 is rotatably connected to first gear 5 using bearing, and 4 upper end of circular shaft is welded with sphere 6, ball is arranged with outside sphere 6
7 are covered, beaker platform 8 is welded on ball cover 7,8 upper end gluing of beaker platform has limit sleeve 16, and limit sleeve 16 is rubber material, for limiting
System is placed on the position of vessel on beaker platform 8, prevents it from sliding from beaker platform 8, and there are three travellers 9 for setting in first gear 5
With a threaded rod 12, threaded rod 12 offsets with beaker platform 8.
Three travellers 9 and threaded rod 12 are symmetricly set in first gear 5, and each 9 upper end of traveller is arranged with a cunning
10 are covered, is provided with a spring 11 in each sliding sleeve 10,11 upper end of spring offsets with sliding sleeve 10, the lower end of spring 11 and traveller
9 offset, and each sliding sleeve 10 offsets with beaker platform 8 under the action of spring 11 upwards, and threaded rod 12 and 5 screw thread of first gear connect
It connects, the lower end of threaded rod 12 is welded with knob 13, and the presence of knob 13 controls the rotation of threaded rod 12 convenient for user.
First gear 5 is engaged with second gear 14, and 1 lower wall of cover is equipped with decelerating motor 15, decelerating motor using bolt
15 can drive second gear 14 to rotate, and then first gear 5 is driven to rotate, and two wall of left and right of cover 1 offers an operation
Hole 17, user can protrude into both hands in cover 1 from from handle hole 17, carry out test operation, and the upper end gluing on cover top 2 has handle
18, it is convenient for user's opening cover top 2.
In the utility model, when doing high school chemical experiment, the vessel for containing reactant are placed on beaker platform 8, are covered
Upper cover top 2 ensure react carry out during, be not in there is reactant to sputter, operator can will be double from handle hole 17
Hand extends to inside cover 1, and turn knobs 13 move upwards threaded rod 12, and the place that beaker platform 8 and threaded rod 12 offset will
It increases, tilts beaker platform 8, at this time three equal slide downward compressed springs 11 of sliding sleeve 10；
Starting decelerating motor 15 makes it that second gear 14 be driven to rotate, and then first gear 5 is driven to rotate, screw thread thereon
Bar 12 is rotated together with 9 part-structure of traveller with first gear 5, and then beaker platform 8 is driven to rock, and makes to be placed on beaker platform 8
Reactant be sufficiently mixed so that reaction carry out more thoroughly.
It is worth noting that: experimenter, should wearing gloves operation in operation experiments.
Embodiment two
With reference to Fig. 4, embodiment two and the difference of embodiment one are: the upper wall gluing of cover 1 has a circle gasket, avoids
There is a situation where gases to leak for the contact position on cover 1 and cover top 2, and cover offers stomata 19 on top 2, and gluing has tracheae at stomata 19
20, the other end of tracheae 20 leads in handle box 21, and gluing has rubber gloves (not shown) at handle hole 17, avoids when anti-
When should can generate pernicious gas, pernicious gas can only be moved in handle box 21 from stomata 19, should be placed in handle box 21
The reagent of pernicious gas can be handled.
Gasket and rubber gloves guarantee that gas can only shed from stomata 19, and handle box 21 thoroughly locates pernicious gas
Reason, avoids it from damaging experimenter.It is worth noting that the reagent held in handle box 21 should generate not according to reaction
With pernicious gas and determine.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. high school chemical experiment shield, including cover (1) and handle box (21), which is characterized in that cover (1) upper end makes
It is rotatably connected to cover top (2) with hinge, cover (1) the lower wall gluing has circle set (3) and circular shaft (4), the circular shaft (4) to be arranged
In the inside of circle set (3), the circle set (3) is rotatably connected to first gear (5) using bearing, circular shaft (4) the upper end welding
Have sphere (6), is arranged with ball cover (7), is welded with beaker platform (8) on the ball cover (7), the beaker platform outside the sphere (6)
(8) upper end gluing has limit sleeve (16), and there are three traveller (9) and a threaded rods (12) for setting on the first gear (5).
2. high school chemical experiment shield according to claim 1, which is characterized in that three travellers (9) and screw thread
Bar (12) is symmetricly set on first gear (5), and each traveller (9) upper end is arranged with a sliding sleeve (10), Mei Gesuo
It states in sliding sleeve (10) and is provided with a spring (11), spring (11) upper end offsets with sliding sleeve (10), the spring (11)
Lower end offset with traveller (9), the threaded rod (12) is threadedly coupled with first gear (5), the lower end of the threaded rod (12)
It is welded with knob (13).
3. high school chemical experiment shield according to claim 1, which is characterized in that the first gear (5) is engaged with
Second gear (14), cover (1) lower wall are equipped with decelerating motor (15) using bolt.
4. high school chemical experiment shield according to claim 1, which is characterized in that two wall of left and right of the cover (1)
A handle hole (17) is offered, the upper end gluing of the cover top (2) there are handle (18).
5. high school chemical experiment shield according to claim 1, which is characterized in that the upper wall of the cover (1) is glued
There is a circle gasket.
6. high school chemical experiment shield according to claim 1, which is characterized in that offer gas on the cover top (2)
Hole (19), gluing has tracheae (20) at the stomata (19), and the other end of the tracheae (20) leads in handle box (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821368424.3U CN208679208U (en) | 2018-08-24 | 2018-08-24 | High school chemical experiment shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821368424.3U CN208679208U (en) | 2018-08-24 | 2018-08-24 | High school chemical experiment shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208679208U true CN208679208U (en) | 2019-04-02 |
Family
ID=65886533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821368424.3U Expired - Fee Related CN208679208U (en) | 2018-08-24 | 2018-08-24 | High school chemical experiment shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208679208U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112691714A (en) * | 2020-12-23 | 2021-04-23 | 吴旌旗 | High school teacher-used high-safety intelligent chemical experiment table and use method thereof |
-
2018
- 2018-08-24 CN CN201821368424.3U patent/CN208679208U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112691714A (en) * | 2020-12-23 | 2021-04-23 | 吴旌旗 | High school teacher-used high-safety intelligent chemical experiment table and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 Termination date: 20190824 |