CN208661182U - A kind of experiment test tube preheating device - Google Patents
A kind of experiment test tube preheating device Download PDFInfo
- Publication number
- CN208661182U CN208661182U CN201821123672.1U CN201821123672U CN208661182U CN 208661182 U CN208661182 U CN 208661182U CN 201821123672 U CN201821123672 U CN 201821123672U CN 208661182 U CN208661182 U CN 208661182U
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- test tube
- thermal
- locating
- arrest cover
- wall
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Abstract
The utility model discloses a kind of experiment test tube preheating devices, it is related to experimental provision technical field, including support component, horizontal shelf in support component and the thermal-arrest cover for being mounted on support component upper end, horizontal shelf is located at the lower section of thermal-arrest cover, place alcolhol burner in the center of horizontal shelf, thermal-arrest cover is hollow hemisphere structure, the outer wall of thermal-arrest cover is equipped with horizontal locating flange, thermal-arrest cover is equipped with the locating slot of several inside and outside walls connection, the extending direction of locating slot is directed toward the sphere center position of hemisphere structure, test tube locating piece is detachably installed in the locating slot, and the end of test tube locating piece passes through locating slot and extends to the interior zone of thermal-arrest cover, the utility model structure is simple, improve the efficiency of the heating (or preheating) of test tube in experimentation, heating (or preheating) effect Preferably, test tube position stability is higher, and use is more convenient.
Description
Technical field
The utility model relates to experimental provision technical fields, and in particular to a kind of experiment test tube preheating device.
Background technique:
During the experiment, it is often necessary to the solution in test tube be preheated or be heated, at present in test tube
When solution is preheated or heated, typically test tube is fixed on rack for test tube, is then put again in the bottom part down of test tube
Alcolhol burner is set, alcolhol burner realizes the preheating or heating to the solution in test tube after being ignited.
However above-mentioned heating method is used, alcolhol burner can only realize the preheating or heating to a test tube simultaneously, from
And will cause the waste of alcohol in alcolhol burner, and when needing to heat the solution in multiple test tubes, it needs using multiple
Rack for test tube and alcolhol burner have the shortcomings that troublesome in poeration.
Although occurring that test tube can be heated in the device perhaps preheated currently on the market but preheating or heating effect
It is poor, and the positioning of test tube is more troublesome.
Utility model content
It is caused by the prior art to solve the purpose of this utility model is to provide a kind of experiment test tube preheating device
Above-mentioned defects.
A kind of experiment test tube preheating device, horizontal shelf including support component, in support component and is mounted on
The thermal-arrest cover of support component upper end, horizontal shelf are located at the lower section of thermal-arrest cover, and alcohol is placed in the center of horizontal shelf
Lamp, the thermal-arrest cover are hollow hemisphere structure, and the outer wall of thermal-arrest cover is equipped with horizontal locating flange, and passes through positioning
Flange is detachably connected with support component, and the thermal-arrest cover is equipped with the locating slot of several inside and outside walls connection, locating slot
Extending direction is directed toward the sphere center position of hemisphere structure, test tube locating piece is detachably equipped in the locating slot, and test tube is fixed
The end of position part passes through locating slot and extends to the interior zone of thermal-arrest cover, and each locating slot is by the spiral shell being coaxially distributed
Groove and through slot composition, and through slot be connected to thread groove, thread groove on the outer wall of thermal-arrest cover, the test tube locating piece by
Locating rack and positioning seat composition, the positioning seat is hollow tubular structure, and the outer wall of the upper end of positioning seat is equipped with convex annular
It rises, the outer wall of the positioning seat is equipped with external screw thread, and the locating rack is set to the lower end of positioning seat.
Preferably, the support component is made of symmetrically arranged two pieces of arc panels, and arc panel upper end is equipped with and convex
The corresponding mounting base of edge, the horizontal shelf are located between two pieces of arc panels.
Preferably, the inner wall clearance fit of the outer wall of the locating rack and through slot.
Preferably, the height of the positioning seat is greater than the depth of the thread groove.
Preferably, the center of the horizontal shelf is equipped with the groove for being used to place alcolhol burner of recess.
Preferably, it is bonded with heat insulation foam on the outer wall of the thermal-arrest cover, offers on heat insulation foam and is worn for test tube locating piece
The through-hole crossed.
Utility model has the advantages that
In use, test tube locating piece is matched the utility model by the thread groove on positioning seat and thermal-arrest cover
It closes, locating rack is from the interior zone that thermal-arrest cover is passed through and extended in through slot, since positioning seat is to be threadedly engaged with thread groove
, so even if clearance fit between the outer wall of locating rack and the inner wall of through slot, when test tube locating piece is mounted on thermal-arrest cover
Will not occur shaking the wild effect of (or loosen), since thermal-arrest cover is hollow hemisphere structure, and locating rack
Extending direction be directed to the sphere center position of hemisphere structure, so when test tube is passed through from positioning seat so that test tube it is outer
When the inner wall of wall and locating rack contacts, the lower section of all test tubes to be heated is evenly arranged near the centre of sphere, in this way, when lighting alcolhol burner
When, the lower section of test tube is looped around around the flame of alcolhol burner, each test tube can be made to be able to carry out heating (or pre-
Heat), the effect of heating (perhaps preheating) is improved in this way and multiple test tubes can be heated simultaneously (or preheating), is mentioned
High its heating (or preheating) efficiency, has saved the time of experiment.
The utility model structure is simple, improves the efficiency of the heating (or preheating) of test tube in experimentation, heat (or
Person's preheating) effect is preferable, and test tube position stability is higher, and use is more convenient.
Detailed description of the invention
Fig. 1 is the cross-sectional view of thermal-arrest cover.
Fig. 2 is the partial sectional view of thermal-arrest cover.
Fig. 3 is the top view of the utility model.
Fig. 4 is the enlarged drawing in Fig. 2 at A.
Fig. 5 is the schematic diagram of test tube locating piece.
Fig. 6 is the top view of the cross-sectional view of B-B in Fig. 5.
Fig. 7 is the top view of support component.
Wherein: 1-arc panel, 2- horizontal shelf, 3- alcolhol burner, 4- thermal-arrest cover, 5- locating slot, 5-1- thread groove, 5-
2- through slot, 6- locating flange, 7- test tube locating piece, 7-1- annular flange, 7-2- positioning seat, 7-3- locating rack.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Fig. 1-Fig. 7, a kind of experiment test tube preheating device, the water including support component, in support component
Lifts plate 2 and the thermal-arrest cover 4 for being mounted on support component upper end, horizontal shelf 2 are located at the lower section of thermal-arrest cover 4, horizontal shelf 2
Center place alcolhol burner 3, the thermal-arrest cover 4 is hollow hemisphere structure, and the outer wall of thermal-arrest cover 4 is equipped with level
Locating flange 6, and be detachably connected by locating flange 6 with support component, the thermal-arrest cover 4 is equipped with inside and outside several
The locating slot 5 of wall connection, the extending direction of locating slot 5 are directed toward the sphere center position of hemisphere structure, detachable in the locating slot 5
Test tube locating piece 7 is installed, and the end of test tube locating piece 7 passes through locating slot 5 and extends to the interior zone of thermal-arrest cover 4,
Each locating slot 5 is made of the thread groove 5-1 and through slot 5-2 being coaxially distributed, and through slot 5-2 is connected to thread groove 5-1,
Thread groove 5-1 is set on the outer wall of thermal-arrest cover 4, and the test tube locating piece 7 is made of locating rack 7-3 and positioning seat 7-2, described
Positioning seat 7-2 is hollow tubular structure, and the outer wall of the upper end of positioning seat 7-2 is equipped with annular protrusion 7-1, annular protrusion 7-1
Purpose be easy for the installation and removal of positioning seat 7-2 Yu thread groove 5-1, operator can be carried out manual by annular protrusion 7-1
Operation, the outer wall of the positioning seat 7-2 are equipped with external screw thread, and the locating rack 7-3 is set to the lower end of positioning seat 7-2.
In the present embodiment, the support component is made of symmetrically arranged two pieces of arc panels 1, and 1 upper end of arc panel is equipped with
Mounting base corresponding with locating flange 6, the horizontal shelf 2 are located between two pieces of arc panels 1.
In the present embodiment, the inner wall clearance fit of the outer wall of the locating rack 7-3 and through slot.
In the present embodiment, the height of the positioning seat 7-2 is greater than the depth of the thread groove 5-1, in this way convenient for operation
Member carries out the installation and removal of test tube locating piece 7 by annular flange 7-1.
In the present embodiment, the center of the horizontal shelf 2 is equipped with the groove for being used to place alcolhol burner 3 of recess,
It can ensure that alcolhol burner 3 is located at the underface of the center of thermal-arrest cover 4 in this way.
In the present embodiment, it is bonded with heat insulation foam (being not drawn into figure) on the outer wall of the thermal-arrest cover 4, reduces heat
It scatters and disappears, the through-hole passed through for test tube locating piece is offered on heat insulation foam.
Utility model has the advantages that
In use, test tube locating piece 7 passes through the thread groove on positioning seat 7-2 and thermal-arrest cover 4 to the utility model
5-1 is matched, locating rack 7-3 from the interior zone that thermal-arrest cover 4 is passed through and extended in through slot 5-2, due to positioning seat 7-2 with
Thread groove 5-1 is threadedly engaged, so even if clearance fit (gap between the outer wall of locating rack 7-3 and the inner wall of through slot 5-2
The purpose of cooperation is to facilitate to pass through in the better clump through slot 5-2 of locating rack 7-3), test tube locating piece 7 is mounted on thermal-arrest cover 4
When will not occur shaking the wild effect of (or loosen), since thermal-arrest cover 4 is hollow hemisphere structure, and position
The extending direction of frame 7-3 is directed to the sphere center position of hemisphere structure, thus when by test tube from positioning seat 7-2 pass through so that
When the outer wall of test tube and the inner wall of locating rack 7-3 contact, the lower section of all test tubes to be heated is evenly arranged near the centre of sphere, in this way,
When lighting alcolhol burner 3, the lower section of test tube is looped around around the flame of alcolhol burner 3, can make each test tube can be into
Row heating (perhaps preheating) improves the effect of heating (or preheating) in this way, and can heat simultaneously to multiple test tubes
(perhaps preheating) improves its heating (or preheating) efficiency, has saved the time of experiment.
The utility model structure is simple, improves the efficiency of the heating (or preheating) of test tube in experimentation, heat (or
Person's preheating) effect is preferable, and test tube position stability is higher, and use is more convenient.
As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature
Scheme is applied to realize.Therefore, embodiment disclosed above, in all respects are merely illustrative, and are not only
's.All changes that come within the scope of the invention or equivalents of the invention are by the utility model packet
Contain.
Claims (6)
1. a kind of experiment test tube preheating device, horizontal shelf (2) including support component, in support component and it is mounted on
The thermal-arrest cover (4) of support component upper end, horizontal shelf (2) are located at the lower section of thermal-arrest cover (4), the center of horizontal shelf (2)
Place alcolhol burner (3) in position, which is characterized in that the thermal-arrest cover (4) is hollow hemisphere structure, thermal-arrest cover (4)
Outer wall is equipped with horizontal locating flange (6), and is detachably connected by locating flange (6) with support component, the thermal-arrest cover
(4) it is equipped with the locating slot (5) of several inside and outside walls connection, the extending direction of locating slot (5) is directed toward the centre of sphere of hemisphere structure
Position is detachably equipped with test tube locating piece (7) in the locating slot (5), and the end of test tube locating piece (7) passes through locating slot
(5) and extend to the interior zones of thermal-arrest cover (4), each locating slot (5) by the thread groove (5-1) being coaxially distributed and
Through slot (5-2) composition, and through slot (5-2) is connected to thread groove (5-1), thread groove (5-1) is set to the outer wall of thermal-arrest cover (4)
On, the test tube locating piece (7) is made of locating rack (7-3) and positioning seat (7-2), and the positioning seat (7-2) is hollow tubular
Structure, and the outer wall of the upper end of positioning seat (7-2) is equipped with annular protrusion (7-1), the outer wall of the positioning seat (7-2) is equipped with
External screw thread, the locating rack (7-3) are set to the lower end of positioning seat (7-2).
2. a kind of experiment test tube preheating device according to claim 1, it is characterised in that: the support component is by symmetrical
Two pieces of arc panels (1) composition being arranged, arc panel (1) upper end is equipped with mounting base corresponding with locating flange (6), the level
Supporting plate (2) is located between two pieces of arc panels (1).
3. a kind of experiment test tube preheating device according to claim 1, it is characterised in that: the locating rack (7-3)
The inner wall clearance fit of outer wall and through slot (5-2).
4. a kind of experiment test tube preheating device according to claim 1, it is characterised in that: the positioning seat (7-2)
Height is greater than the depth of the thread groove (5-1).
5. a kind of experiment test tube preheating device according to claim 1, it is characterised in that: the horizontal shelf (2)
Center is equipped with the groove for being used to place alcolhol burner (3) of recess.
6. a kind of experiment test tube preheating device according to claim 1, it is characterised in that: the thermal-arrest cover (4)
It is bonded with heat insulation foam on outer wall, the through-hole passed through for test tube locating piece (7) is offered on heat insulation foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821123672.1U CN208661182U (en) | 2018-07-16 | 2018-07-16 | A kind of experiment test tube preheating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821123672.1U CN208661182U (en) | 2018-07-16 | 2018-07-16 | A kind of experiment test tube preheating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208661182U true CN208661182U (en) | 2019-03-29 |
Family
ID=65830018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821123672.1U Active CN208661182U (en) | 2018-07-16 | 2018-07-16 | A kind of experiment test tube preheating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208661182U (en) |
-
2018
- 2018-07-16 CN CN201821123672.1U patent/CN208661182U/en active Active
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