CN212975180U - Chemistry experiment heating frame - Google Patents
Chemistry experiment heating frame Download PDFInfo
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- CN212975180U CN212975180U CN202021116866.6U CN202021116866U CN212975180U CN 212975180 U CN212975180 U CN 212975180U CN 202021116866 U CN202021116866 U CN 202021116866U CN 212975180 U CN212975180 U CN 212975180U
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- sliding
- rod
- knob screw
- test tube
- screw rod
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Abstract
The utility model discloses a chemistry experiment heating frame, including PMKD, sliding plate, alcohol burner, threaded support pole, sliding sleeve, thread bush, connecting plate, circular fixed plate, annular rubber circle, bracing piece, second sliding sleeve, first limit knob screw rod, connecting loop bar, connecting rod, fixed column, rotating sleeve, test tube clamp, second limit knob screw rod, third limit knob screw rod and fourth limit knob screw rod. The utility model has the advantages that: this device is rational in infrastructure, and it is nimble to use, fixes the test tube that needs the heating through test tube support structure, and the height of test tube and the adjustment that the heating angle can be nimble simultaneously for chemistry experiment is more convenient, and this device has alcohol burner limit structure, can fix spacingly through alcohol burner limit structure to the alcohol burner that needs to use, can effectually avoid the alcohol burner to lead to tumbling because of maloperation or collision vibrations when using, makes chemistry experiment safer.
Description
Technical Field
The utility model relates to a heating frame specifically is a chemistry experiment heating frame, belongs to chemistry experiment heating frame application technical field.
Background
Chemistry is one of natural science, mainly at molecular and atomic level, researches on composition, property, structure and change rule of substance, creates new substance, and the world is composed of substance, there are two kinds of change forms (also nuclear reaction) of chemical change and physical change, and chemistry is one of main methods and means for human to know and reform substance world.
In the experiment teaching of chemistry, need heat the reactant, some reactants heat in the test tube, traditional heating frame simple structure, the function is single, and the position of unable effectual adjustment test tube often needs the handheld test-tube clamp of teacher to heat, and the alcohol burner that the concurrent heating used needs extra attention when using, tumbles because of maloperation or collision lead to the alcohol burner easily, causes the accident. Therefore, a chemical experiment heating rack is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a chemistry experiment heating frame for solving above-mentioned problem.
The utility model realizes the purpose through the following technical proposal, a chemical experiment heating rack comprises a fixed bottom plate, a support rod, an alcohol lamp, a test tube bracket structure and an alcohol lamp limiting structure;
the alcohol lamp limiting structure comprises a sliding plate, threaded supporting rods, sliding sleeves, threaded sleeves, connecting plates, a circular fixing plate and annular rubber rings, the sliding plate is connected in the sliding groove of the fixed bottom plate in a sliding mode, one end of each threaded supporting rod is fixedly connected to two sides of the upper surface of the sliding plate, the sliding sleeves are sleeved on the two threaded supporting rods in a sliding mode, one end of each connecting plate is fixedly connected to the side wall of each sliding sleeve, the circular fixing plate is fixedly connected between the other end of each connecting plate, the annular rubber rings are fixedly connected to the inner side wall of each circular fixing plate, and the threaded sleeves are connected to the two threaded supporting rods in a threaded mode;
the test tube support structure comprises a second sliding sleeve, a connecting sleeve rod, a connecting rod, a fixing column, a rotating sleeve and a test tube clamp, the second sliding sleeve is sleeved on an arc-shaped wall of the supporting rod in a sliding mode, one end of the connecting sleeve rod is fixedly connected to the arc-shaped wall of the second sliding sleeve, the connecting rod is sleeved in an inner cavity of the connecting sleeve rod in a sliding mode, the one end of the connecting rod is fixedly connected with the fixing column, the rotating sleeve is connected to the arc-shaped wall of the fixing column in a rotating mode, and the test tube clamp is fixedly connected to the arc-shaped wall of the rotating sleeve.
Preferably, the side wall of the second sliding sleeve is in threaded connection with a first limit knob screw rod, and one end of the first limit knob screw rod extends to the inner side of the second sliding sleeve and abuts against the side wall of the supporting rod.
Preferably, the side wall of the connecting loop bar is in threaded connection with a third limit knob screw, and one end of the third limit knob screw extends to the inner side of the connecting loop bar and abuts against the side wall of the connecting bar.
Preferably, a second limit knob screw rod is connected to the side wall of the rotating sleeve in a threaded manner, and one end of the second limit knob screw rod extends to the inner side of the rotating sleeve and abuts against the fixing column.
Preferably, a threaded hole is formed in the side wall of the fixing base plate, and a fourth limit knob screw rod is connected to the threaded hole in the side wall of the fixing base plate in an internal thread mode.
Preferably, the alcohol lamp is placed at an upper surface of the sliding plate.
The utility model has the advantages that:
1. this device is rational in infrastructure, uses in a flexible way, fixes the test tube that needs the heating through test tube supporting structure, and the height and the adjustment that the heating angle can be nimble of test tube simultaneously for chemical experiment is more convenient, avoids educator to hold the test tube clamp for a long time simultaneously and leads to the arm ache.
2. This device has alcohol burner limit structure, can fix spacingly to the alcohol burner that needs used through alcohol burner limit structure, and fixed spacing convenient operation can effectually avoid the alcohol burner to lead to tumbling because of maloperation or collision vibrations when using for chemical experiment is safer, is fit for using widely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a schematic top view of the circular fixing plate of the present invention;
fig. 3 is a schematic view of the sectional structure of the sliding plate of the present invention.
In the figure: 1. the test tube comprises a fixed bottom plate, 2, a sliding plate, 3, an alcohol lamp, 4, a threaded support rod, 5, a sliding sleeve, 6, a threaded sleeve, 7, a connecting plate, 8, a circular fixing plate, 9, an annular rubber ring, 10, a support rod, 11, a second sliding sleeve, 12, a first limit knob screw rod, 13, a connecting sleeve rod, 14, a connecting rod, 15, a fixing column, 16, a rotating sleeve, 17, a test tube clamp, 18, a second limit knob screw rod, 19, a third limit knob screw rod, 20 and a fourth limit knob screw rod.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-3, a chemical experiment heating rack comprises a fixed base plate 1, a support rod 10, an alcohol lamp 3, a test tube support structure and an alcohol lamp limiting structure;
a chute is arranged in the fixed bottom plate 1, an alcohol lamp limiting structure is arranged in the chute of the fixed bottom plate 1 in a sliding way, the alcohol lamp limiting structure comprises a sliding plate 2, a threaded supporting rod 4, a sliding sleeve 5, a threaded sleeve 6, a connecting plate 7, a circular fixing plate 8 and an annular rubber ring 9, a sliding plate 2 is connected in a sliding groove of the fixed bottom plate 1 in a sliding manner, one end of a threaded support rod 4 is fixedly connected to both sides of the upper surface of the sliding plate 2, sliding sleeves 5 are sleeved on the two threaded support rods 4 in a sliding manner, one end of a connecting plate 7 is fixedly connected to the side walls of the two sliding sleeves 5, a circular fixing plate 8 is fixedly connected between the other ends of the two connecting plates 7, an annular rubber ring 9 is fixedly connected to the inner side wall of the circular fixing plate 8, and threaded sleeves 6 are in threaded connection with the two threaded support rods 4;
the utility model discloses a test tube, including the upper surface one end fixedly connected with bracing piece 10 of PMKD 1, install test tube support structure on the bracing piece, test tube support structure includes second slip cap 11, adapter sleeve pole 13, connecting rod 14, fixed column 15, rotating sleeve 16 and test tube clamp 17, the slip cap joint has second slip cap 11 on the arc wall of bracing piece 10, the one end of fixedly connected with adapter sleeve pole 13 on the arc wall of second slip cap 11, connecting rod 14 has been cup jointed in the inner chamber of adapter sleeve pole 13 in the slip, the one end fixedly connected with fixed column 15 of connecting rod 14, it is connected with rotating sleeve 16 to rotate on the arc wall of fixed column 15, fixedly connected.
A first limit knob screw 12 is connected to the side wall of the second sliding sleeve 11 in a threaded manner, and one end of the first limit knob screw 12 extends to the inner side of the second sliding sleeve 11 and abuts against the side wall of the support rod 10; a third limit knob screw rod 19 is connected to the side wall of the connecting loop bar 13 in a threaded manner, and one end of the third limit knob screw rod 19 extends to the inner side of the connecting loop bar 13 and abuts against the side wall of the connecting rod 14; a second limit knob screw 18 is connected to the side wall of the rotating sleeve 16 in a threaded manner, and one end of the second limit knob screw 18 extends to the inner side of the rotating sleeve 16 and abuts against the fixing column 15; a threaded hole is formed in the side wall of the fixed base plate 1, and a fourth limit knob screw 20 is connected to the threaded hole in the side wall of the fixed base plate 1 in a threaded manner; the alcohol lamp 3 is placed at the upper surface of the sliding plate 2.
When the utility model is used, firstly, a test tube to be heated is clamped and fixed through the test tube clamp 17, when the position of the test tube is required to be adjusted, the first limit knob screw 12, the third limit knob screw 19 and the second limit knob screw 18 are rotated, the first limit knob screw 12, the third limit knob screw 19 and the second limit knob screw 18 are loosened, then the second sliding sleeve 11 is moved, the second sliding sleeve 11 drives the connecting sleeve rod 13 to move, further, the height of the test tube is adjusted, after the adjustment is finished, the first limit knob screw 12 is screwed again, the height of the test tube is fixed, then the connecting rod 14 is moved, the position of the test tube is adjusted through the transverse movement of the connecting rod 14, after the adjustment is finished, the third limit knob screw 19 is screwed, the position of the test tube is fixed, through rotating the test tube clamp 17, the rotating sleeve 16 is rotated on the fixed column 15, the angle of the test tube is adjusted, and after the angle of the test tube is adjusted, the second limiting knob screw 18 is screwed down, so that the angle of the test tube is fixed;
before using alcohol burner 3 to heat, drive alcohol burner 3 through removing sliding plate 2 and remove, remove alcohol burner 3 to the test tube under, then rotate fourth limit knob screw rod 20, make the one end of fourth limit knob screw rod 20 support tight sliding plate 2's lateral wall, and then fix sliding plate 2, then rotate two thread bush 6, move down through two thread bush 6 and push down sliding bush 5, push down through two sliding bush 5 and drive circular fixed plate 8 and push down, push down through circular fixed plate 8 and compress tightly fixedly to the bottle wall of alcohol burner 3, then light alcohol burner 3, heat the test tube through alcohol burner 3, can effectually avoid alcohol burner 3 to lead to tumbling because of maloperation or collision vibrations when using like this, make the chemistry experiment safer, be fit for using widely.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a chemistry experiment heating frame which characterized in that: comprises a fixed bottom plate (1), a support rod (10), an alcohol lamp (3), a test tube bracket structure and an alcohol lamp limiting structure;
the alcohol burner limiting structure comprises a sliding plate (2), threaded support rods (4), sliding sleeves (5), threaded sleeves (6), connecting plates (7), a circular fixing plate (8) and an annular rubber ring (9), the sliding plate (2) is connected in the sliding groove of the fixed bottom plate (1) in a sliding mode, one end of each threaded support rod (4) is fixedly connected to two sides of the upper surface of the sliding plate (2), the sliding sleeves (5) are sleeved on the two threaded support rods (4) in a sliding mode, one end of each connecting plate (7) is fixedly connected to the side walls of the two sliding sleeves (5), the circular fixing plate (8) is fixedly connected between the other ends of the two connecting plates (7), and the annular rubber ring (9) is fixedly connected to the inner side wall of the circular fixing plate (8), the two threaded support rods (4) are both in threaded connection with threaded sleeves (6);
the test tube support structure comprises a second sliding sleeve (11), an connecting sleeve rod (13), a connecting rod (14), a fixing column (15), a rotating sleeve (16) and a test tube clamp (17), wherein the second sliding sleeve (11) is sleeved on an arc-shaped wall of the supporting rod (10) in a sliding mode, one end of the connecting sleeve rod (13) is fixedly connected to the arc-shaped wall of the second sliding sleeve (11), the connecting rod (14) is sleeved in an inner cavity of the connecting sleeve rod (13) in a sliding mode, one end of the connecting rod (14) is fixedly connected with the fixing column (15), the rotating sleeve (16) is connected to the arc-shaped wall of the fixing column (15) in a rotating mode, and the test tube clamp (17) is fixedly connected to the arc-shaped wall of the rotating sleeve (16).
2. A chemical experiment heating rack according to claim 1, characterized in that: the lateral wall of second slip cap (11) is gone up threaded connection and is had first limit knob screw rod (12), the one end of first limit knob screw rod (12) extends to the inboard of second slip cap (11) and supports the lateral wall of tight bracing piece (10).
3. A chemical experiment heating rack according to claim 1, characterized in that: the lateral wall of connecting loop bar (13) is gone up threaded connection and is had third limit knob screw rod (19), the one end of third limit knob screw rod (19) extends to the inboard of connecting loop bar (13) and supports the lateral wall of tight connecting rod (14).
4. A chemical experiment heating rack according to claim 1, characterized in that: a second limit knob screw rod (18) is connected to the side wall of the rotating sleeve (16) in a threaded mode, and one end of the second limit knob screw rod (18) extends to the inner side of the rotating sleeve (16) and abuts against the fixing column (15).
5. A chemical experiment heating rack according to claim 1, characterized in that: the side wall of the fixed base plate (1) is provided with a threaded hole, and the threaded hole in the side wall of the fixed base plate (1) is internally connected with a fourth limit knob screw rod (20).
6. A chemical experiment heating rack according to claim 1, characterized in that: the alcohol lamp (3) is placed on the upper surface of the sliding plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021116866.6U CN212975180U (en) | 2020-06-16 | 2020-06-16 | Chemistry experiment heating frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021116866.6U CN212975180U (en) | 2020-06-16 | 2020-06-16 | Chemistry experiment heating frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212975180U true CN212975180U (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021116866.6U Active CN212975180U (en) | 2020-06-16 | 2020-06-16 | Chemistry experiment heating frame |
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| Country | Link |
|---|---|
| CN (1) | CN212975180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247352A (en) * | 2021-12-21 | 2022-03-29 | 广州蓝勃生物科技有限公司 | Test tube shakes even device |
-
2020
- 2020-06-16 CN CN202021116866.6U patent/CN212975180U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247352A (en) * | 2021-12-21 | 2022-03-29 | 广州蓝勃生物科技有限公司 | Test tube shakes even device |
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