CN209423682U - A kind of chemical experiment teaching teaching aid - Google Patents

Abstract

The utility model provides a kind of chemical experiment teaching teaching aid, including breadboard, support base, placement rack, support rod, fixing pipe, first wing bolt, it is rotatably fixed to lock hardened structure, rotatably clean storage barrel structure, measurement spherical structure, feeding spoon, socket pipe can be drawn, square head bolt, fixed link, metal hose, fixed frame and macrophotograph, the upper end of the support base are bolted to the lower end corner location of breadboard respectively.The utility model plug socket, storing barrel and the setting for placing bucket, are conducive to shelf test tool, facilitate and carry out storage work；Shank, the setting of insertion pipe and the second wing bolt are conducive to the angle for adjusting test tube, facilitate and carry out experimental modelling work；The setting of suction pipe and graduation mark is conducive to the material quantity of measurement addition, conveniently measures work；The setting of plug socket and cleaning barrel is conducive to carry out cleaning to the tool of test, facilitates carry out follow-up work.

Description

A kind of chemical experiment teaching teaching aid

Technical field

The utility model belongs to teaching equipment technical field more particularly to a kind of chemical experiment teaching teaching aid.

Background technique

Chemistry is a natural science based on testing, and carrying out experiment can not only be such that the rudimentary knowledge of student more pricks It is real, it can more effectively improve students ' thinking ability and practical competence.Currently, there are no a kind of chemical experiment teaching aids, convenient for taking Band, it is multiple functional, various experiments can be done.In addition, current chemical experiment teaching aid, without Demonstration table, when testing, Inconvenient observation of students.Existing chemistry experiment box volume is larger more heavy, and inconvenience, and interior space utilization are moved in carrying Rate is very low, can put the fewer and fewer of slightly larger experimental provision；Current chemical experimental instrument can only do single chemical reaction Demonstration such as does some slightly complicated chemical experiments and a variety of instruments assemblings is needed to be used cooperatively, and the assembling of these instruments is cumbersome, need compared with Big placing space, and assemble it is rear be inconvenient to move, use is very inconvenient；It is used as rack for test tube, the iron stand of experiment at present Etc. instrumental functions it is single, be all relatively independent between instrument.In existing chemistry experiment box there are no it is foldable, light and handy, have it is larger Interior space simultaneously can be used as the chemistry experiment box that experimental exhibition bench uses after being unfolded, and there are no collection rack for test tubes, brandreth in existing rack for test tube The Multifunctional test tube rack of the reasonable combinations such as platform, depassing unit together, there are no can do simultaneous equal reaction in existing chemical apparatuses Laboratory apparatus.

China Patent Publication No. is CN101882393B, and invention and created name is a kind of chemical experiment teaching aid, including is folded Chest folds chest and is provided with Multifunctional test tube rack, and simultaneous equal reaction demonstration device is placed on rack for test tube.But existing chemistry There is also inconvenient shelf test tools for experiment teaching aid, it has not been convenient to adjust test tube angle and be inconvenient to measure added material quantity The problem of.

Therefore, a kind of chemical experiment teaching teaching aid is invented to be very necessary.

Utility model content

In order to solve the above-mentioned technical problem, the utility model provides a kind of chemical experiment teaching teaching aid, existing to solve There is also inconvenient shelf test tools for chemical experiment teaching aid, it has not been convenient to adjust test tube angle and be inconvenient to measure added material The problem of quantity.A kind of chemical experiment teaching teaching aid, including breadboard, support base, placement rack, support rod, fixing pipe, first wing Shape bolt, rotatably fixed to lock hardened structure, rotatably cleaning storage barrel structure, can draw measurement spherical structure, feeding spoon, socket Pipe, square head bolt, fixed link, metal hose, fixed frame and macrophotograph, the upper end of the support base are bolted to examination respectively Test the lower end corner location of plate；The placement rack is glued to the upper end middle position of support base；The lower end of the support rod It is welded on the left of the upper end of breadboard；The fixing pipe is socketed in the outer wall top of support rod；First wing bolt It is threaded in the left side middle position of fixing pipe；The rotatable fixed hardened structure of locking is mounted in the right side of fixing pipe Between position；The rotatable cleaning storage barrel structure is mounted on the outer wall lower part of support rod；Described draws measurement chou Structure is mounted on the upper end middle position of rotatable cleaning storage barrel structure；The feeding spoon is plugged on rotatable cleaning storing barrel The upper end of structure；The socket pipe is socketed in the outer wall middle position of support rod；The square head bolt is threaded in set The right side middle position of adapter tube；The right end of the fixed link is welded on the left side middle position of socket pipe；The metal is soft One end of pipe is welded on the left end of fixed link；The other end of the metal hose is bolted to the left side interposition of fixed frame It sets；The macrophotograph is embedded in the bosom position of fixed frame；The rotatable fixed hardened structure of locking includes arc Fixed plate, connecting plate, bolt and nut, shank, insertion pipe and the second wing bolt, the connecting plate are respectively welded at arc The right end of fixed plate；Bolt in the bolt and nut extends through the through hole whorl attaching nut opened up among connecting plate； The left end of the arc fixed plate is respectively welded at the right end of shank；The left end of the shank is plugged on insertion pipe Right end bosom position；Second wing bolt is threaded in the upper end bosom position of insertion pipe.

Preferably, rotatable cleaning storage barrel structure includes plug socket, rotation pipe, rubber base, storing barrel, placement Bucket and cleaning barrel, the rotation pipe are welded on the left side middle position of plug socket；The rubber base is bolted to respectively The lower end corner location of plug socket；The storing barrel is plugged on bosom position on the right side of the upper end of plug socket；Described puts Set the upper end bosom position that bucket is plugged on plug socket；The cleaning barrel is plugged on bosom on the left of the upper end of plug socket Position.

Preferably, the measurement spherical structure of drawing includes ball, suction pipe, graduation mark, L-type connecting rod, rubber sleeve And holding rod, the upper end of the suction pipe are glued to the lower end outer wall of ball；The graduation mark portrays the positive table in suction pipe Right side of face；The right side middle position of rubber sleeve is glued on the left of the lower end of the L-type connecting rod；The holding rod is welded on The upper end of L-type connecting rod；The rubber sleeve is socketed in the outer wall top of suction pipe.

Preferably, the arc fixed plate is glued the curved stainless steel plate for having rubber pad using inner wall；The connection Plate offers the stainless steel plate of through-hole using front surface middle position.

Preferably, the left end of the insertion pipe is welded on the right side middle position of fixing pipe.

Preferably, the placement rack is set as the silica gel seat of concave using upper end middle position；The macrophotograph is adopted Use convex lens sheet.

Preferably, the plug socket offers the stainless steel seat of inserting groove using upper end；The rotation pipe is not using Become rusty steel pipe.

Preferably, the rotation pipe is socketed in the outer wall lower part of support rod.

Preferably, the ball has the hollow rubber ball of plastic tube using lower end；The graduation mark use with Centimetre be unit graduation mark.

Preferably, the suction pipe is plugged on the upper end bosom position for placing bucket.

Preferably, the feeding spoon is plugged on the upper end bosom position of storing barrel.

Compared with prior art, the utility model has the following beneficial effects:

1. in the utility model, the plug socket, the setting of storing barrel and placement bucket is conducive to shelf test tool, Facilitate and carries out storage work.

2. in the utility model, the shank, the setting of insertion pipe and the second wing bolt is conducive to adjust test tube Angle, facilitate carry out experimental modelling work.

3. in the utility model, the setting of the suction pipe and graduation mark is conducive to the material quantity of measurement addition, convenient Measure work.

4. in the utility model, the setting of the plug socket and cleaning barrel is conducive to clean the tool of test Work, facilitates carry out follow-up work.

5. in the utility model, the setting of the ball and suction pipe is conducive to aspirated materials, facilitates and carry out test work Make.

6. in the utility model, the arc fixed plate, the setting of connecting plate and bolt and nut is conducive to fixed difference The test tube of model facilitates and carries out chemical test teaching.

7. in the utility model, the setting of the plug socket and rotation pipe is conducive to rotate plug socket drive storing barrel With placement bucket and cleaning barrel, facilitate shelf test tool and cleaning test instrument.

8. in the utility model, the metal hose, the setting of fixed frame and macrophotograph is conducive to put test tube Big observation facilitates observation test reaction.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the rotatable fixed structural schematic diagram for locking hardened structure of the utility model.

Fig. 3 is the structural schematic diagram of the rotatable cleaning storage barrel structure of the utility model.

Fig. 4 is the structural schematic diagram for drawing measurement spherical structure of the utility model.

In figure:

1, breadboard；2, support base；3, placement rack；4, support rod；5, fixing pipe；6, the first wing bolt；7, it can be rotated It is fixed to lock hardened structure；71, arc fixed plate；72, connecting plate；73, bolt and nut；74, shank；75, insertion pipe；76, Two wing bolts；8, rotatably barrel structure is stored in cleaning；81, plug socket；82, rotation pipe；83, rubber base；84, storing barrel；85, Place bucket；86, cleaning barrel；9, measurement spherical structure can be drawn；91, ball；92, suction pipe；93, graduation mark；94, L-type connecting rod； 95, rubber sleeve；96, holding rod；10, feeding spoon；11, socket pipe；12, square head bolt；13, fixed link；14, metal hose；15, Fixed frame；16, macrophotograph.

Specific embodiment

The utility model is specifically described with reference to the accompanying drawing, as shown in Figure 1 and Figure 2, a kind of chemical experiment Teaching aid, including breadboard 1, support base 2, placement rack 3, support rod 4, fixing pipe 5, the first wing bolt 6 are rotatably fixed Latch structure 7, rotatably cleaning storage barrel structure 8, can draw measurement spherical structure 9, feeding spoon 10, socket pipe 11, square toes spiral shell The upper end of bolt 12, fixed link 13, metal hose 14, fixed frame 15 and macrophotograph 16, the support base 2 is bolted to respectively The lower end corner location of breadboard 1；The placement rack 3 is glued to the upper end middle position of support base 2；The support rod 4 Lower end be welded on the left of the upper end of breadboard 1；The fixing pipe 5 is socketed in the outer wall top of support rod 4；Described first Wing bolt 6 is threaded in the left side middle position of fixing pipe 5；The rotatable fixed hardened structure 7 of locking is mounted on solid Determine the right side middle position of pipe 5；The rotatable cleaning storage barrel structure 8 is mounted on the outer wall lower part of support rod 4；Described The upper end middle position that measurement spherical structure 9 is mounted on rotatable cleaning storage barrel structure 8 can be drawn；10 grafting of feeding spoon In the upper end of rotatable cleaning storage barrel structure 8；The socket pipe 11 is socketed in the outer wall middle position of support rod 4；It is described Square head bolt 12 be threaded in the right side middle position of socket pipe 11；The right end of the fixed link 13 is welded on socket pipe 11 left side middle position；One end of the metal hose 14 is welded on the left end of fixed link 13；The metal hose 14 The other end be bolted to the left side middle position of fixed frame 15；The macrophotograph 16 is embedded in the inside of fixed frame 15 Between position；The rotatable fixed hardened structure 7 of locking includes arc fixed plate 71, connecting plate 72, bolt and nut 73, shank 74, insertion pipe 75 and the second wing bolt 76, the connecting plate 72 are respectively welded at the right end of arc fixed plate 71；Described Bolt in bolt and nut 73 extends through the through hole whorl attaching nut opened up among connecting plate 72；The arc fixed plate 71 left end is respectively welded at the right end of shank 74；The left end of the shank 74 is plugged on inside the right end of insertion pipe 75 Middle position；Second wing bolt 76 is threaded in the upper end bosom position of insertion pipe 75；When work, it will try It tests plate 1 to place in place, unclamps the nut in bolt and nut 73, need test tube to be used to be plugged on arc experiment and consolidate Between fixed board 71, the nut in bolt and nut 73 is tightened, fixing needs test tube to be used, and requirement when according to experiment unclamps the Two wing bolts 76 rotate arc fixed plate 71, drive test tube rotation, so that test tube is turned to suitable angle, tighten second wing Shape bolt 76 fixes the angle of test tube, facilitates the angle for adjusting test tube, while facilitating and carrying out experimental modelling work.

In the present embodiment, in conjunction with shown in attached drawing 3, the rotatable cleaning storage barrel structure 8 includes plug socket 81, is turned Dynamic pipe 82, rubber base 83, storing barrel 84, places bucket 85 and cleaning barrel 86, the rotation pipe 82 are welded on a left side for plug socket 81 Side middle position；The rubber base 83 is bolted to the lower end corner location of plug socket 81 respectively；The storing barrel 84 It is plugged on bosom position on the right side of the upper end of plug socket 81；The placement bucket 85 is plugged in the upper end inside of plug socket 81 Between position；The cleaning barrel 86 is plugged on bosom position on the left of the upper end of plug socket 81；Plug socket 81 is carried upwards And plug socket 81 is rotated to the left side of breadboard 1, suitable cleaning solution is injected to the inner wall of cleaning barrel 86, needs to make when by experiment Heating tool is placed on the upper end of placement rack 3, facilitates carry out experiment work, while facilitating carry out cleaning work.

In the present embodiment, in conjunction with shown in attached drawing 4, the measurement spherical structure 9 of drawing includes ball 91, suction pipe 92, graduation mark 93, L-type connecting rod 94, rubber sleeve 95 and holding rod 96, the upper end of the suction pipe 92 are glued to ball 91 Lower end outer wall；The graduation mark 93 is portrayed on the right side of the front surface of suction pipe 92；Glue on the left of the lower end of the L-type connecting rod 94 It connects in the right side middle position of rubber sleeve 95；The holding rod 96 is welded on the upper end of L-type connecting rod 94；The rubber sleeve 95 are socketed in the outer wall top of suction pipe 92；At work, it catches holding rod 96 to use index finger and thumb squeezes ball 91, will inhale Pipe 92 is plugged in the material tested, and is unclamped index finger and thumb, so that material is entered the inside of suction pipe 92, pass through scale Line 93 observes the quantity of material, and suction pipe 92 is inserted into test tube after reaching quantity, carries out squeezing ball 91, material is made to enter examination Inside pipe, powdered material is put into test tube by feeding spoon 10, carries out experiment work, and then complete experimental modelling work Make.

In the present embodiment, specifically, the arc fixed plate 71 has the arc of rubber pad stainless using inner wall splicing Steel plate；The connecting plate 72 offers the stainless steel plate of through-hole using front surface middle position.

In the present embodiment, specifically, the left end of the insertion pipe 75 is welded on the right side middle position of fixing pipe 5.

In the present embodiment, specifically, the placement rack 3 is set as the silica gel seat of concave using upper end middle position； The macrophotograph 16 uses convex lens sheet.

In the present embodiment, specifically, the plug socket 81 offers the stainless steel seat of inserting groove using upper end；It is described Rotation pipe 82 use stainless steel tube.

In the present embodiment, specifically, the rotation pipe 82 is socketed in the outer wall lower part of support rod 4.

In the present embodiment, specifically, the ball 91 has the hollow rubber ball of plastic tube using lower end；It is described Graduation mark 93 use by centimetre as unit of graduation mark.

In the present embodiment, specifically, the suction pipe 92 is plugged on the upper end bosom position for placing bucket 85.

In the present embodiment, specifically, the feeding spoon 10 is plugged on the upper end bosom position of storing barrel 84.

Working principle

In the utility model, when work, breadboard 1 is placed in place, the nut in bolt and nut 73 is unclamped, It needs test tube to be used to be plugged between arc fixed plate 71 experiment, tightens the nut in bolt and nut 73, fix needs The test tube used, requirement when according to experiment unclamp the second wing bolt 76, rotate arc fixed plate 71, drive test tube rotation, So that test tube is turned to suitable angle, tighten the second wing bolt 76, fix the angle of test tube, facilitates the angle for adjusting test tube Plug socket 81 is carried upwards and rotates plug socket 81 to the left side of breadboard 1 by degree, while facilitating and carrying out experimental modelling work, Suitable cleaning solution is injected to the inner wall of cleaning barrel 86, needs heating tool to be used to be placed on the upper of placement rack 3 when by experiment End, facilitates carry out experiment work, while facilitating carry out cleaning work, at work, holding rod 96 is caught to use index finger and thumb Ball 91 is squeezed, suction pipe 92 is plugged in the material tested, index finger and thumb is unclamped, material is made to enter suction pipe 92 inside observes the quantity of material by graduation mark 93, and suction pipe 92 is inserted into test tube after reaching quantity, carries out extruding rubber Ball 91, makes material enter test tube interior, and powdered material is put into test tube by feeding spoon 10, carries out experiment work, into And complete experimental modelling work.

Using technical solution described in the utility model or those skilled in the art in technical solutions of the utility model Under inspiration, similar technical solution is designed, and reaches above-mentioned technical effect, is the protection model for falling into the utility model It encloses.

Claims (9)

1. a kind of chemical experiment teaching teaching aid, which is characterized in that the chemical experiment teaching teaching aid includes breadboard (1), support base (2), placement rack (3), support rod (4), fixing pipe (5), the first wing bolt (6) is rotatably fixed to lock hardened structure (7), can Rotation cleaning storage barrel structure (8) can draw and measure spherical structure (9), feeding spoon (10), socket pipe (11), square head bolt (12), Distinguish bolt in the upper end of fixed link (13), metal hose (14), fixed frame (15) and macrophotograph (16), the support base (2) It is connected to the lower end corner location of breadboard (1)；The placement rack (3) is glued to the upper end middle position of support base (2)；Institute The lower end for the support rod (4) stated is welded on the left of the upper end of breadboard (1)；The fixing pipe (5) is socketed in support rod (4) Outer wall top；First wing bolt (6) is threaded in the left side middle position of fixing pipe (5)；Described can be rotated The fixed right side middle position locked hardened structure (7) and be mounted on fixing pipe (5)；Barrel structure (8) are stored in the rotatable cleaning It is mounted on the outer wall lower part of support rod (4)；Measurement spherical structure (9) of drawing is mounted on rotatable cleaning storage barrel structure (8) upper end middle position；The feeding spoon (10) is plugged on the upper end of rotatable cleaning storage barrel structure (8)；Described Socket pipe (11) is socketed in the outer wall middle position of support rod (4)；The square head bolt (12) is threaded in socket pipe (11) right side middle position；The right end of the fixed link (13) is welded on the left side middle position of socket pipe (11)；It is described One end of metal hose (14) be welded on the left ends of fixed link (13)；The other end of the metal hose (14) is bolted In the left side middle position of fixed frame (15)；The macrophotograph (16) is embedded in the bosom position of fixed frame (15)；Institute The rotatable fixed hardened structure (7) of locking stated includes arc fixed plate (71), connecting plate (72), bolt and nut (73), shank (74), insertion pipe (75) and the second wing bolt (76), the connecting plate (72) are respectively welded at arc fixed plate (71) Right end；Bolt in the bolt and nut (73) extends through the through hole whorl attaching nut opened up among connecting plate (72)； The left end of the arc fixed plate (71) is respectively welded at the right end of shank (74)；It inserts the left end of the shank (74) It connects in the right end bosom position of insertion pipe (75)；Second wing bolt (76) is threaded in insertion pipe (75) Upper end bosom position.

2. chemical experiment teaching teaching aid as described in claim 1, which is characterized in that barrel structure is stored in the rotatable cleaning It (8) include plug socket (81), rotation pipe (82), rubber base (83), storing barrel (84), placement bucket (85) and cleaning barrel (86), institute The rotation pipe (82) stated is welded on the left side middle position of plug socket (81)；The rubber base (83) is bolted to slotting respectively The lower end corner location of joint chair (81)；The storing barrel (84) is plugged on bosom position on the right side of the upper end of plug socket (81) It sets；The placement bucket (85) is plugged on the upper end bosom position of plug socket (81)；The cleaning barrel (86) is plugged on Bosom position on the left of the upper end of plug socket (81).

3. chemical experiment teaching teaching aid as claimed in claim 2, which is characterized in that described draws measurement spherical structure (9) It is described including ball (91), suction pipe (92), graduation mark (93), L-type connecting rod (94), rubber sleeve (95) and holding rod (96) The upper end of suction pipe (92) be glued to the lower end outer walls of ball (91)；The graduation mark (93) portray suction pipe (92) just On the right side of surface；The right side middle position of rubber sleeve (95) is glued on the left of the lower end of the L-type connecting rod (94)；The hand Hold the upper end that bar (96) is welded on L-type connecting rod (94)；The rubber sleeve (95) is socketed in the outer wall top of suction pipe (92).

4. chemical experiment teaching teaching aid as described in claim 1, which is characterized in that in the arc fixed plate (71) uses Wall is glued the curved stainless steel plate for having rubber pad；The connecting plate (72) offers through-hole not using front surface middle position Become rusty steel plate.

5. chemical experiment teaching teaching aid as described in claim 1, which is characterized in that weld the left end of the insertion pipe (75) In the right side middle position of fixing pipe (5).

6. chemical experiment teaching teaching aid as described in claim 1, which is characterized in that the placement rack (3) is using in upper end Meta position installs the silica gel seat for being set to concave；The macrophotograph (16) uses convex lens sheet.

7. chemical experiment teaching teaching aid as claimed in claim 2, which is characterized in that the plug socket (81) is opened using upper end Stainless steel seat equipped with inserting groove；The rotation pipe (82) uses stainless steel tube.

8. chemical experiment teaching teaching aid as claimed in claim 2, which is characterized in that the rotation pipe (82) is socketed in support The outer wall lower part of bar (4).

9. chemical experiment teaching teaching aid as claimed in claim 3, which is characterized in that the ball (91) uses lower end band There is the hollow rubber ball of plastic tube；The graduation mark (93) use by centimetre as unit of graduation mark.