CN209968454U - Alcohol lamp bracket is used in chemistry teaching of convenient regulation - Google Patents

Abstract

The utility model discloses an alcohol lighting fixture is used in chemistry teaching of convenient regulation, the on-line screen storage device comprises a base, the dead lever of the vertical setting of upper end fixedly connected with of base, and the lateral wall of dead lever is equipped with the test tube clamp, the upper end of base is equipped with puts the thing board, and the upper end of putting the thing board is equipped with the alcohol burner, be equipped with the commentaries on classics chamber of vertical setting in the dead lever, and change the chamber in the rotation and be connected with the threaded rod, the cover is equipped with the nut rather than threaded connection on the threaded rod, the lateral wall fixedly connected with connecting rod of nut, the lateral wall of dead lever is equipped. The utility model is simple in operation, convenient to use simplifies the altitude mixture control step of alcohol burner from many portions can, and this device only needs to twist the removal that the threaded rod can realize the alcohol burner, makes experimental more convenient, and the fixed of putting the thing board is more firm simultaneously, can not appear not hard up phenomenon, has improved experimental security performance.

Description

Alcohol lamp bracket is used in chemistry teaching of convenient regulation

Technical Field

The utility model relates to an alcohol lighting fixture technical field especially relates to a convenient alcohol lighting fixture for chemistry teaching who adjusts.

Background

The alcohol burner is a heating tool using alcohol as fuel, and is used for heating an object. The alcohol lamp consists of a lamp body, a lamp core tube and a lamp cap. The heating temperature of the alcohol lamp is 400-500 ℃, and the alcohol lamp is suitable for experiments with not too high temperature, and is particularly frequently used when no gas equipment is available. Current alcohol burner frame is in the use, for satisfying experimental needs, needs highly adjust the alcohol burner, generally fixes it or removes fixed mode to adjust the height of alcohol burner through fastening screw, and is comparatively troublesome, and in fixed process, fastening bolt probably appears becoming flexible, leads to placing the fixed unstability of thing board of putting of alcohol burner, and the alcohol burner appears sliding and leads to the alcohol leakage in the alcohol burner, has certain potential safety hazard.

When the height of the alcohol lamp is adjusted by the conventional alcohol lamp holder, the operation is troublesome, and an object placing plate for placing the alcohol lamp is not stable enough and has certain potential safety hazard; therefore, the alcohol lamp bracket for chemistry teaching, which is convenient to adjust, is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the current alcohol lighting fixture that exists among the prior art and when highly adjusting the alcohol lighting fixture, the operation is comparatively troublesome, places the fixed not enough stability of thing board of putting of alcohol lighting fixture, has certain potential safety hazard scheduling problem, and the convenient chemical teaching who adjusts of a proposition uses alcohol lighting fixture.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an alcohol lighting fixture for chemistry teaching of convenient regulation, the on-line screen storage device comprises a base, the dead lever of the vertical setting of upper end fixedly connected with of base, and the lateral wall of dead lever is equipped with the test tube clamp, the upper end of base is equipped with puts the thing board, and the upper end of putting the thing board is equipped with the alcohol burner, be equipped with the commentaries on classics chamber of vertical setting in the dead lever, and the rotation is connected with the threaded rod in changeing the chamber, the cover is equipped with the nut rather than threaded connection on the threaded rod, the lateral wall fixedly connected with connecting rod of nut, the lateral wall of dead lever be equipped with change the bar opening that the chamber communicates, and the connecting rod keep away from the one end of nut and run through the.

Preferably, the lower end of the base is fixedly connected with a plurality of suckers.

Preferably, the object placing plate is provided with an object placing groove with an upward opening, the object placing groove is internally provided with an air bag matched with the alcohol lamp, and the air bag is filled with carbon dioxide.

Preferably, one end of the threaded rod penetrating through the fixing rod is fixedly connected with a rotating block, and a limiting mechanism matched with the threaded rod is arranged in the rotating block.

Preferably, stop gear includes the gag lever post, be equipped with the turn trough in the commentaries on classics piece, and the turn trough sets up for the L type, the gag lever post rotates with the inner wall corner in turn trough to be connected, the upper end of dead lever is equipped with a plurality of spacing grooves that set up with the gag lever post cooperation, and a plurality of spacing grooves are and encircle the setting.

The embodiment of the utility model provides a technical scheme can include following beneficial effect:

1. the utility model is simple in operation, convenient to use simplifies the altitude mixture control step of alcohol burner from many portions can, and this device only needs to twist the removal that the threaded rod can realize the alcohol burner, makes experimental more convenient, and the fixed of putting the thing board is more firm simultaneously, can not appear not hard up phenomenon, has improved experimental security performance.

2. Through setting up the sucking disc at the lower extreme of base, the device is when placing, and the accessible sucking disc is fixed the device on experimental desktop of using, makes the device place more stably, and when the device was bumped in the mistake, the possibility greatly reduced that the device took place to empty has improved the security performance of device.

3. Through setting up air bag and filling carbon dioxide in air bag, when carelessly knocking over the device, alcohol leakage burning in the alcohol burner burns air bag, and carbon dioxide wherein spills, puts out a fire to the alcohol of burning, has improved the security performance of device.

4. Through setting up the commentaries on classics piece, the position can be handed to the upper end of threaded rod, be convenient for rotate the threaded rod, it is more convenient to make the altitude mixture control of alcohol burner, through setting up the gag lever post, commentaries on classics groove and spacing groove, under general state, the gag lever post card is in the spacing groove, restrict to the commentaries on classics piece, make the commentaries on classics piece unrotatable, thereby restrict the threaded rod, can prevent that the threaded rod from sliding the high skew that leads to the alcohol burner that appears, when needs rotate the threaded rod, with the gag lever post to the top of commentaries on classics piece, can rotate the commentaries on classics piece and drive the threaded rod and rotate, when needs restrict the threaded rod, rotate the gag lever post to the below, make its card advance corresponding spacing groove, thereby restrict the calorie.

Drawings

Fig. 1 is a schematic view of a conveniently adjustable alcohol lamp holder for chemical teaching according to the present invention;

fig. 2 is the utility model provides a conveniently adjust overlook schematic structure of dead lever in chemical teaching uses alcohol lighting fixture.

In the figure: 1 base, 2 dead levers, 3 test-tube clamps, 4 put thing board, 5 alcohol burner, 6 commentaries on classics chamber, 7 threaded rods, 8 nuts, 9 connecting rods, 10 bar openings, 11 sucking discs, 12 put the thing groove, 13 air bag, 14 commentaries on classics piece, 15 commentaries on classics groove, 16 gag lever posts, 17 spacing grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, an alcohol lamp holder for chemistry teaching convenient to adjust comprises a base 1, wherein a vertically arranged fixed rod 2 is fixedly connected to the upper end of the base 1, a test tube clamp 3 is arranged on the side wall of the fixed rod 2, an object placing plate 4 is arranged at the upper end of the base 1, an alcohol lamp 5 is arranged at the upper end of the object placing plate 4, a vertically arranged rotating cavity 6 is arranged in the fixed rod 2, a threaded rod 7 is rotatably connected to the rotating cavity 6, a nut 8 in threaded connection with the threaded rod 7 is sleeved on the threaded rod 7, a connecting rod 9 is fixedly connected to the side wall of the nut 8, a strip-shaped opening 10 communicated with the rotating cavity 6 is arranged on the side wall of the fixed rod 2, one end, far away from the nut 8, of the connecting rod 9 penetrates through the strip-shaped opening 10 and is fixedly connected with;

it should be noted that, in the using process of the device, the test tube clamp 3 is to be a test tube for experiment, the connection mode between the test tube clamp 3 and the fixing rod 2 is consistent with the existing connection mode, and therefore, too much description is not given, the alcohol lamp 5 is placed on the object placing plate 4 to be ignited, the height of the alcohol lamp 5 is adjusted according to needs, the threaded rod 7 is rotated to enable the threaded rod 7 to drive the nut 8 to rotate relatively, because the connecting rod 9 is limited in the strip-shaped opening 9, the nut 8 cannot rotate along with the threaded rod 7, when the threaded rod 7 rotates, the nut 8 is driven to move in the vertical direction in the rotating cavity 6 under the limitation of the threads, so that the connecting rod 9 drives the alcohol lamp 5 on the object placing plate 4 to move in the vertical direction, the distance between the alcohol lamp 5 and the test tube is adjusted, compared with the existing alcohol lamp height adjusting mode, the object placing plate 4 for placing the alcohol lamp 5 is not required to be fixed or loosened by screwing the fastening bolt, the device can realize the movement of the alcohol lamp 5 only by screwing the threaded rod 7, so that the test is more convenient, meanwhile, the object placing plate 4 is more firmly fixed, the loosening phenomenon cannot occur, and the safety performance of the test is improved;

wherein, the lower end of the base 1 is also fixedly connected with a plurality of suckers 11;

it should be noted that the existing testing device is placed on a desktop for testing, the stability is poor, the device may topple over when accidentally touched by mistake, and certain potential safety hazards exist, while the device can be fixed on the desktop for testing through the sucker 11 when placed, so that the device is placed more stably, the possibility of toppling over of the device is greatly reduced when the device is touched by mistake, and the safety performance of the device is improved;

wherein, the object placing plate 4 is provided with an object placing groove 12 with an upward opening, the object placing groove 12 is provided with an air bag 13 matched with the alcohol lamp 5, and the air bag 13 is filled with carbon dioxide;

by arranging the safety air bag 13 and filling carbon dioxide into the safety air bag 13, when the device is knocked down carelessly, alcohol in the alcohol lamp 5 leaks and burns, the safety air bag 13 is burnt, the carbon dioxide leaks, the burning alcohol is extinguished, and the safety performance of the device is improved;

wherein, one end of the threaded rod 7 penetrating through the fixed rod 2 is fixedly connected with a rotating block 14, and a limiting mechanism matched with the threaded rod 7 is arranged in the rotating block 14;

it should be noted that, by arranging the rotating block 14, the upper end of the threaded rod 7 can be held by hand, so that the threaded rod 7 can be conveniently rotated, and the height of the alcohol lamp 5 can be more conveniently adjusted;

the limiting mechanism comprises a limiting rod 16, a rotating groove 15 is formed in the rotating block 14, the rotating groove 15 is in an L-shaped arrangement, the rotating groove 15 is connected with the corner of the inner wall of the rotating groove 15 in a rotating mode like the limiting rod 16, a plurality of limiting grooves 17 matched with the limiting rod 16 are formed in the upper end of the fixing rod 2, and the limiting grooves 17 are arranged in a surrounding mode;

it should be noted that, under general state, the gag lever post 16 card is in spacing groove 17, to changeing piece 14 and restrict, make changeing piece 14 unrotatable, thereby restrict threaded rod 7, can prevent that threaded rod 7 from sliding and leading to the high skew of appearing of alcohol burner 5, when needs rotation threaded rod 7, change gag lever post 16 to the top of changeing piece 14, can rotate and change piece 14 and drive threaded rod 7 and rotate, when needs restrict threaded rod 7, rotate gag lever post 16 to the below, make it block into in corresponding spacing groove 17, thereby restrict threaded rod 7, the fixed stability of putting thing board 4 has been improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a convenient alcohol lighting fixture for chemistry teaching who adjusts, includes base (1), its characterized in that, the upper end fixedly connected with of base (1) is vertical dead lever (2) that sets up, and the lateral wall of dead lever (2) is equipped with test-tube clamp (3), the upper end of base (1) is equipped with puts thing board (4), and the upper end of putting thing board (4) is equipped with alcohol burner (5), be equipped with vertical commentaries on classics chamber (6) that sets up in dead lever (2), and change and rotate in chamber (6) and be connected with threaded rod (7), the cover is equipped with nut (8) rather than threaded connection on threaded rod (7), the lateral wall fixedly connected with connecting rod (9) of nut (8), the lateral wall of dead lever (2) is equipped with bar opening (10) with commentaries on classics chamber (6) intercommunication, and connecting rod (9) keep away from the one end of nut (8) and run through bar opening (10) and with the lateral, the upper end of the threaded rod (7) penetrates through the fixing rod (2) and is rotatably connected with the fixing rod (2).

2. The chemical teaching alcohol lamp holder convenient to adjust according to claim 1, wherein the lower end of the base (1) is fixedly connected with a plurality of suckers (11).

3. The chemical teaching alcohol lamp holder convenient to adjust according to claim 1, wherein the placing plate (4) is provided with a placing groove (12) with an upward opening, the placing groove (12) is provided with an air bag (13) matched with the alcohol lamp (5), and the air bag (13) is filled with carbon dioxide.

4. The chemical teaching alcohol lamp holder convenient to adjust as claimed in claim 1, wherein the threaded rod (7) penetrates through one end of the fixing rod (2) and is fixedly connected with the rotating block (14), and a limiting mechanism matched with the threaded rod (7) is arranged in the rotating block (14).

5. The chemical teaching alcohol lamp holder convenient to adjust according to claim 4, wherein the limiting mechanism comprises a limiting rod (16), a rotating groove (15) is formed in the rotating block (14), the rotating groove (15) is in an L-shaped arrangement, the limiting rod (16) is rotatably connected with the corner of the inner wall of the rotating groove (15), a plurality of limiting grooves (17) matched with the limiting rod (16) are formed in the upper end of the fixing rod (2), and the plurality of limiting grooves (17) are arranged in a surrounding manner.

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