CN214183213U - Comprehensive experimental platform for junior middle school chemistry - Google Patents
Comprehensive experimental platform for junior middle school chemistry Download PDFInfo
- Publication number
- CN214183213U CN214183213U CN202120070630.1U CN202120070630U CN214183213U CN 214183213 U CN214183213 U CN 214183213U CN 202120070630 U CN202120070630 U CN 202120070630U CN 214183213 U CN214183213 U CN 214183213U
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- CN
- China
- Prior art keywords
- bracing piece
- diaphragm
- supporting rod
- pipe
- middle school
- 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
Links
- 238000002474 experimental method Methods 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims description 28
- 241000973497 Siphonognathus argyrophanes Species 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model discloses a junior high school chemistry comprehensive experiment platform, transversely set up a plurality of spacing holes on the saddle, the holding frame includes the bracing piece, the bracing piece is pegged graft in spacing downthehole, the articulated supporting rod in upper end of bracing piece, the sliding sleeve has been cup jointed to the slip on the bracing piece, sliding sleeve and bracing piece bolt fastening, the articulated connecting rod on the sliding sleeve, the connecting rod is articulated with the supporting rod, the front side rotation of supporting rod has cup jointed the pipe chuck, the front side of supporting rod corresponds pipe chuck position department and sets up the flange, pipe chuck and flange bolt fastening, the test-tube rack includes the diaphragm, set up a plurality of examination mouth of pipe on the diaphragm, examination mouth of pipe's lower extreme sets up the collet, the collet passes through the gag lever post with the diaphragm and is connected fixedly, the both sides of diaphragm are fixed to set up side branch pole, the side branch pole is pegged graft in spacing downthehole, the utility model is simple in operation, convenient to use, the shouldering in the easy experimentation removes the show and uses.
Description
Technical Field
The utility model relates to a chemistry experiment technical field, concretely relates to junior middle school chemistry comprehensive experiment platform.
Background
The teaching about gas preparation and properties in the junior middle school chemistry teaching material is an important content of chemistry teaching, and the gas generating device mainly has two sets, which are respectively a 'solid-solid reaction, a type that the reaction needs heating' and a 'solid-liquid reaction, and the reaction does not need heating', the property verification of gas is independent and discontinuous, and the whole comprehensive experiment uses a plurality of instruments, so that the gas generating device is only convenient to operate on a platform, is not convenient for patrol display in a classroom, has low visibility for later students, and reduces the effectiveness of classroom teaching.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, a comprehensive chemical experimental platform for junior middle schools is provided so as to solve the problems in the background art.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a comprehensive chemical experiment platform for junior middle school, which comprises a supporting platform, a holding frame and a test tube rack, wherein a plurality of limiting holes are transversely arranged on the supporting platform, the holding frame comprises a supporting rod, the supporting rod is inserted in the limiting holes, a clamping rod is hinged at the upper end of the supporting rod, a sliding sleeve is sleeved on the supporting rod in a sliding way, the sliding sleeve is fixed with a bolt of the supporting rod, a connecting rod is hinged on the sliding sleeve, the connecting rod is hinged with the clamping rod, a tube chuck is sleeved on the front side of the clamping rod in a rotating way, a flange is arranged at the position of the front side of the clamping rod corresponding to the tube chuck, the tube chuck is fixed with the flange bolt, the test tube rack comprises a transverse plate, a plurality of test tube openings are arranged on the transverse plate, the lower ends of the test tube openings are provided with a bottom support, the bottom support is fixedly connected with the transverse plate through the limiting rod, side supporting rods are fixedly arranged at the two sides of the transverse plate, the side supporting rod is inserted in the limiting hole.
Further, a fastening pad is arranged on the inner wall of the limiting hole.
Further, the fastening pad is provided as a rubber pad.
Further, an elastic pipe clamp is arranged on the pipe clamp head.
Further, arc-shaped clamps are arranged on two sides of the test tube opening, and the arc-shaped clamps are connected with the test tube opening through springs.
Further, the bottom support is provided with a hollow hemisphere shape.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
the utility model provides a junior middle school's chemistry comprehensive experiment platform, easy operation, convenient to use, the lift in the easy experimentation removes the show and uses.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the connection structure of the pipe clamp and the clamping rod according to the present invention.
Fig. 3 is a top view of the test tube rack of the present invention.
1-a saddle; 11-a limiting hole; 12-a fastening pad; 2-a clamping frame; 3-supporting rods; 31-a sliding sleeve; 32-connecting rod; 4-clamping rods; 41-tube grip head; 42-a flange; 43-an elastic tube clamp; 5-test tube rack; 6-a transverse plate; 61-test tube mouth; 62-bottom support; 63-a limiting rod; a 64-arc clamp; 65-a spring; 7-side struts.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The comprehensive chemical experiment platform for junior middle schools as shown in fig. 1-3 comprises a supporting platform 1, a clamping frame 2 and a test tube rack 5, wherein a plurality of limiting holes 11 are transversely arranged on the supporting platform 1, the clamping frame 2 comprises a supporting rod 3, the supporting rod 3 is inserted into the limiting holes 11, the upper end of the supporting rod 3 is hinged with a clamping rod 4, a sliding sleeve 31 is sleeved on the supporting rod 3 in a sliding manner, the sliding sleeve 31 is fixed with the supporting rod 3 through bolts, a connecting rod 32 is hinged on the sliding sleeve 31, the connecting rod 32 is hinged with the clamping rod 4, a tube chuck 41 is sleeved on the front side of the clamping rod 4 in a rotating manner, a flange 42 is arranged at the position of the tube chuck 41 corresponding to the front side of the clamping rod 4, the tube chuck 41 is fixed with the flange 42 through bolts, the test tube rack 5 comprises a transverse plate 6, a plurality of test tube openings 61 are arranged on the transverse plate 6, the lower end of the test tube openings 61 is provided with a bottom support 62, the bottom support 62 is fixedly connected with the transverse plate 6 through a limiting rod 63, the two sides of the transverse plate 6 are fixedly provided with side supporting rods 7, and the side supporting rods 7 are inserted into the limiting holes 11.
The first embodiment:
preferably, a fastening pad 12 is disposed on the inner wall of the limiting hole 11.
Further, the fastening pad 12 is provided as a rubber pad.
Second embodiment:
preferably, the tube collet 41 is provided with an elastomeric tube clamp 43.
Preferably, the test tube port 61 is provided with arc-shaped clamps 64 on both sides, and the arc-shaped clamps 64 are connected with the test tube port 61 through springs 64.
Preferably, the shoe 62 is provided in the form of a hollow hemisphere.
The utility model provides a junior middle school's chemistry comprehensive experiment platform, this platform is supported by saddle 1 and is used. The clamping frame 2 and the test tube rack 5 are detachably arranged on the supporting table 1, the installation position is adjustable, and the experiment operation and use are convenient.
The holding frame 2 comprises bracing piece 3 and supporting rod 4, and bracing piece 4 can peg graft and fasten in spacing hole 11 on the saddle 1, and the realization is supported firmly, and the support angle of its tip supporting rod 4 is adjustable, and the operation when being convenient for its centre gripping test tube to pass through the alcohol burner heating experiment is used. And, the tip of holding rod 4 is equipped with the pipe clamp head 41 of rotatable regulation, adjusts the back, realizes spacing fastening through the bolt, and then makes the elastic tube clamp 43 above that can adjust the angular position of test tube behind the centre gripping test tube, and the heating of being convenient for realizes the operation.
The test-tube rack 5 then comprises diaphragm 6 and side branch 7, is equipped with the test tube mouth of pipe 61 on the diaphragm 6, can insert and put the test tube, and its lower extreme is equipped with collet 62 for the support of test tube is spacing, and simultaneously, the arc that is equipped with spring 65 in the test tube mouth of pipe 61 and connects presss from both sides 64, and the test tube that can will insert is pressed from both sides tightly spacingly, guarantees that it places safely. The side branch rods 7 are used for inserting, placing, supporting and fixing the test tube rack 5 and the limiting holes 11 on the supporting platform 1, and are convenient to use.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (6)
1. The utility model provides a junior middle school chemistry comprehensive experiment platform, includes saddle (1), its characterized in that: still include supporting frame (2) and test-tube rack (5), transversely set up a plurality of spacing holes (11) on saddle (1), supporting frame (2) include bracing piece (3), peg graft in spacing hole (11) bracing piece (3), the articulated supporting rod (4) in upper end of bracing piece (3), sliding sleeve (31) has been cup jointed on bracing piece (3), sliding sleeve (31) and bracing piece (3) bolt fastening, articulated connecting rod (32) on sliding sleeve (31), connecting rod (32) are articulated with supporting rod (4), the front side of supporting rod (4) is rotated and is cup jointed pipe chuck (41), the front side of supporting rod (4) corresponds pipe chuck (41) position department and sets up flange (42), pipe chuck (41) and flange (42) bolt fastening, pipe rack (5) include diaphragm (6), set up a plurality of test tube mouths (61) on diaphragm (6), the lower extreme of examination mouth of pipe (61) sets up collet (62), collet (62) are connected fixedly through gag lever post (63) with diaphragm (6), the fixed side branch (7) that sets up in both sides of diaphragm (6), peg graft in spacing hole (11) side branch (7).
2. The integrated experimental platform for chemistry in junior middle school according to claim 1, wherein: and a fastening pad (12) is arranged on the inner wall of the limiting hole (11).
3. The integrated experimental platform for chemistry in junior middle school according to claim 2, wherein: the fastening pad (12) is a rubber pad.
4. The integrated experimental platform for chemistry in junior middle school according to claim 1, wherein: an elastic pipe clamp (43) is arranged on the pipe clamp (41).
5. The integrated experimental platform for chemistry in junior middle school according to claim 1, wherein: arc-shaped clamps (64) are arranged on two sides of the test tube opening (61), and the arc-shaped clamps (64) are connected with the test tube opening (61) through springs (65).
6. The integrated experimental platform for chemistry in junior middle school according to claim 1, wherein: the bottom support (62) is in a hollow semi-sphere shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120070630.1U CN214183213U (en) | 2021-01-12 | 2021-01-12 | Comprehensive experimental platform for junior middle school chemistry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120070630.1U CN214183213U (en) | 2021-01-12 | 2021-01-12 | Comprehensive experimental platform for junior middle school chemistry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214183213U true CN214183213U (en) | 2021-09-14 |
Family
ID=77635689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120070630.1U Expired - Fee Related CN214183213U (en) | 2021-01-12 | 2021-01-12 | Comprehensive experimental platform for junior middle school chemistry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214183213U (en) |
-
2021
- 2021-01-12 CN CN202120070630.1U patent/CN214183213U/en not_active Expired - Fee Related
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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: 20210914 |