CN211134004U - Chemistry of high school experiment heating frame - Google Patents
Chemistry of high school experiment heating frame Download PDFInfo
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- CN211134004U CN211134004U CN201921433419.0U CN201921433419U CN211134004U CN 211134004 U CN211134004 U CN 211134004U CN 201921433419 U CN201921433419 U CN 201921433419U CN 211134004 U CN211134004 U CN 211134004U
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- fixed
- test tube
- fixed mounting
- screw rod
- alcohol burner
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Abstract
The utility model relates to a chemistry experiments apparatus technical field especially relates to a chemistry experiments of high school heats frame. The to-be-solved technical problem of the utility model is that be not convenient for adjust height and inclination, lead to heating efficiency low. In order to solve the technical problem, the utility model provides a high school's chemistry experiment heating frame includes the base, the spout has been seted up to one side on base top, the spout passes through the bottom sliding connection of slider with the regulating box, the middle part of regulating box is rotated through the bearing and is connected with the pivot, the one end fixed mounting of pivot has the bull stick, the middle part fixed mounting of pivot has first helical gear, first helical gear is connected with the meshing of second helical gear, second helical gear fixed mounting is in the bottom of lead screw, the lead screw passes regulating box and connecting plate middle part fixed mounting's screw-nut threaded connection, the inside both sides of regulating box alternate with the connecting plate through two gag lever posts and is connected, one side of connecting plate and the one end fixed connection of head rod.
Description
Technical Field
The utility model relates to a chemistry experiment apparatus technical field specifically is a chemistry experiment heating frame of high school.
Background
In high school's chemistry experiment, often need use the various reagents of alcohol burner heating, current alcohol burner is through a simple heating frame when using, through putting the alcohol burner in the below of heating frame, then the test tube that will be heated is put and is accomplished the heating in the top of heating frame, but the heating height of regulation alcohol burner that this kind of heating method can not be nimble, make the outer flame of alcohol burner can not be better with by the contact of heating test tube, also can adjust the inclination of heating test tube, lead to heating efficiency low, and the alcohol burner takes place to empty easily under the effect of external force, lead to taking place dangerous condition.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a high school chemistry experiment heating frame has solved the height-adjusting and inclination of being not convenient for, leads to the problem that heating efficiency is low.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a high school chemistry experiment heating frame comprises a base, wherein one side of the top end of the base is provided with a sliding groove, the sliding groove is connected with the bottom end of an adjusting box in a sliding manner through a sliding block, the middle part of the adjusting box is rotatably connected with a rotating shaft through a bearing, one end of the rotating shaft is fixedly provided with a rotating rod, the middle part of the rotating shaft is fixedly provided with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is fixedly arranged at the bottom of a screw rod, the screw rod penetrates through the adjusting box and is in threaded connection with a screw rod nut fixedly arranged at the middle part of a connecting plate, two sides inside the adjusting box are in alternate connection with the connecting plate through two limiting rods, one side of the connecting plate is fixedly connected with one end of a first connecting rod, the other end of the first connecting rod is fixedly provided with two first connecting blocks, the second connecting block is fixedly arranged at one end of the second connecting rod, the other end of the second connecting rod is fixedly provided with a test tube clamping mechanism, and the other side of the top end of the base is fixedly provided with an alcohol lamp fixing mechanism.
Further preferred, test tube clamping mechanism includes the solid fixed ring of test tube, first clamping spring and test tube splint, test tube fixed ring fixed mounting is at the other end of second connecting rod, the solid fixed ring's of test tube inner wall is through one side fixed connection of the first clamping spring of a plurality of and two test tube splint, two the equal fixed mounting of inner wall of test tube splint has the rubber pad.
Further preferably, alcohol burner fixed establishment includes the fixed section of thick bamboo of alcohol burner, supporting spring, a supporting cylinder, second clamping spring and alcohol burner splint, the fixed opposite side on base top of the fixed section of thick bamboo of alcohol burner, the inside of the fixed section of thick bamboo of alcohol burner is through the bottom fixed connection of a plurality of supporting spring and a supporting cylinder, the inner wall of a supporting cylinder is through one side fixed connection of a plurality of second clamping spring and two alcohol burner splint, two the equal fixed mounting in inner wall of alcohol burner splint has the rubber pad, the fixed adjustment mechanism that is equipped with in back of a supporting cylinder.
Further preferably, the adjusting mechanism comprises a slot, a connecting screw rod and a fixing nut, the slot is formed in the back face of the alcohol lamp fixing barrel, the connecting screw rod is fixedly installed on the back face of the supporting barrel, the connecting screw rod is connected with the slot in a sliding mode, and the connecting screw rod is in threaded connection with the fixing nut.
Further preferably, a limiting block is fixedly mounted at the top end of the screw rod.
Preferably, the four corners of the bottom end of the base are fixedly provided with supporting blocks.
(III) advantageous effects
The utility model provides a chemistry experiment of high school adds hot frame possesses following beneficial effect:
(1) the fixed ring of test tube, first clamping spring and test tube clamp plate through setting up are convenient for press from both sides tight fixedly to the test tube, are convenient for press from both sides tight fixedly to the alcohol burner through the fixed section of thick bamboo of alcohol burner, second clamping spring and alcohol burner splint that set up, prevent that the alcohol burner from empting when the heating, and push down the connecting screw that sets up and be convenient for compress tightly supporting spring to the position of a regulation supporting cylinder, thereby cooperate through the fixation nut who sets up and connecting screw and fix supporting cylinder.
(2) The rotating shaft is rotated through the rotating rod, the first helical gear is meshed with the second helical gear, the screw rod can be driven to rotate, the screw rod is in threaded connection with the screw rod nut, the height of the connecting plate can be conveniently adjusted under the action of the limiting rod, the outer flame of the alcohol lamp is better in contact with the heating test tube, and the heating efficiency is improved.
(3) The first connecting block arranged at one end of the first connecting rod is fixedly connected with the second connecting rod arranged at one end of the second connecting rod through the fixing bolt, so that the angle between the first connecting rod and the second connecting rod can be conveniently adjusted.
(4) The transverse position of the test tube fixing ring is convenient to adjust through the matching of the arranged sliding groove and the sliding block.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of the utility model at a;
FIG. 3 is a schematic view of the internal structure of the adjusting box of the present invention;
FIG. 4 is a schematic top view of the test tube fixing ring of the present invention;
FIG. 5 is a schematic top view of the alcohol burner fixing barrel of the present invention;
fig. 6 is a schematic view of the sectional structure of the alcohol burner fixing barrel of the present invention.
In the figure: 1. a base; 2. a support block; 3. a chute; 4. an adjusting box; 5. a slider; 6. a rotating shaft; 7. a rotating rod; 8. a first helical gear; 9. a second helical gear; 10. a screw rod; 11. a connecting plate; 12. a limiting rod; 13. a first connecting rod; 14. a first connection block; 15. a second connecting rod; 16. a second connecting block; 17. fixing the bolt; 18. a test tube fixing ring; 19. a first clamping spring; 20. a test tube clamping plate; 21. an alcohol lamp fixing cylinder; 22. a support spring; 23. a support cylinder; 24. a second clamping spring; 25. an alcohol lamp clamping plate; 26. connecting a screw rod; 27. and (5) fixing the nut.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a high school chemistry experiment heating frame comprises a base 1, one side of the top end of the base 1 is provided with a chute 3, the chute 3 is in sliding connection with the bottom end of an adjusting box 4 through a slide block 5, the transverse position of the adjusting box 4 is convenient to adjust through the matching of the chute 3 and the slide block 5, the middle part of the adjusting box 4 is rotatably connected with a rotating shaft 6 through a bearing, one end of the rotating shaft 6 is fixedly provided with a rotating rod 7, the middle part of the rotating shaft 6 is fixedly provided with a first helical gear 8, the first helical gear 8 is in meshing connection with a second helical gear 9, the second helical gear 9 is fixedly arranged at the bottom of a screw rod 10, the screw rod 10 passes through the adjusting box 4 and is in threaded connection with a screw rod nut fixedly arranged at the middle part of a connecting plate 11, two sides inside the adjusting box 4 are in alternate connection with the connecting plate 11 through two limiting rods 12, one side of the connecting plate 11 is fixedly connected, first connecting block 14 passes through fixing bolt 17 and 16 fixed connection of second connecting block, 16 fixed mounting of second connecting block is in the one end of second connecting rod 15, the other end fixed mounting of second connecting rod 15 has test tube clamping mechanism, it is fixed to be convenient for press from both sides tight heating test tube through test tube clamping mechanism, the opposite side fixed mounting on 1 top of base has alcohol burner fixed establishment, it is fixed to be convenient for press from both sides tight the bottom of alcohol burner through alcohol burner fixed establishment, prevent that the alcohol burner from empting.
Test tube clamping mechanism includes the solid fixed ring 18 of test tube, first clamping spring 19 and test tube clamp plate 20, and the solid fixed ring 18 fixed mounting of test tube is at the other end of second connecting rod 15, and the solid fixed ring 18's of test tube inner wall is through the first clamping spring 19 of a plurality of and one side fixed connection of two test tube splint 20, and the equal fixed mounting of inner wall of two test tube splint 20 has the rubber pad, is convenient for press from both sides tightly fixedly to heating test tube through test tube clamping mechanism.
Alcohol burner fixed establishment includes the fixed section of thick bamboo 21 of alcohol burner, supporting spring 22, a supporting cylinder 23, second clamping spring 24 and alcohol burner splint 25, the fixed opposite side on 1 top of base of the fixed section of thick bamboo 21 of alcohol burner, the inside of the fixed section of thick bamboo 21 of alcohol burner is through the bottom fixed connection of a plurality of supporting spring 22 and a supporting cylinder 23, the inner wall of a supporting cylinder 23 passes through one side fixed connection of a plurality of second clamping spring 24 and two alcohol burner splint 25, the equal fixed mounting of inner wall of two alcohol burner splint 25 has the rubber pad, the fixed adjustment mechanism that is equipped with in back of a supporting cylinder 23, be convenient for press from both sides tight fixedly the bottom of alcohol burner through alcohol burner fixed establishment, prevent that the alcohol burner from empting.
The adjusting mechanism comprises a groove, a connecting screw rod 26 and a fixing nut 27, the groove is formed in the back face of the alcohol lamp fixing barrel 21, the connecting screw rod 26 is fixedly installed on the back face of the supporting barrel 23, the connecting screw rod 26 is connected with the groove in a sliding mode, the connecting screw rod 26 is in threaded connection with the fixing nut 27, and the position of the alcohol lamp in the alcohol lamp fixing barrel 21 can be adjusted conveniently through the adjusting mechanism.
The top end fixed mounting of lead screw 10 has the stopper, plays the limiting action to the position of connecting plate 11 through the stopper.
Four corners of base 1 bottom are all fixed and are equipped with supporting shoe 2, play the supporting role to base 1 through supporting shoe 2.
The working principle is as follows: firstly, a test tube to be heated is placed in a test tube fixing ring 18, the test tube is clamped and fixed under the action of a first clamping spring 19 and a test tube clamping plate 20, an alcohol lamp is placed in a supporting cylinder 23, the alcohol lamp is clamped and fixed under the action of a second clamping spring 24 and an alcohol lamp clamping plate 25, a fixing nut 27 is unscrewed, a connecting screw 26 is pressed downwards to drive the supporting cylinder 23 to move downwards, the fixing nut 27 is in threaded connection with the connecting screw 26 to fix the position of the supporting cylinder 23, when the height of the test tube needs to be adjusted, a rotating shaft 6 is rotated through a rotating rod 7, a first bevel gear 8 is meshed with a second bevel gear 9 to drive a screw rod 10 to rotate, the screw rod 10 is in threaded connection with the screw rod nut, the height of a connecting plate 11 is convenient to adjust under the action of a limiting rod 12, the height of the test tube is adjusted, the fixing bolt 17 is unscrewed, a second connecting rod 15 is rotated, the first connecting block 14 and the second connecting block 16 are fixed by the fixing bolt 17, and the angle between the first connecting rod 13 and the second connecting rod 15 is adjusted, thereby adjusting the inclination angle of the test tube.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a chemistry experiment of high school heats frame, includes base (1), its characterized in that: one side of the top end of the base (1) is provided with a sliding chute (3), the sliding chute (3) is in sliding connection with the bottom end of an adjusting box (4) through a sliding block (5), the middle part of the adjusting box (4) is rotatably connected with a rotating shaft (6) through a bearing, one end of the rotating shaft (6) is fixedly provided with a rotating rod (7), the middle part of the rotating shaft (6) is fixedly provided with a first helical gear (8), the first helical gear (8) is in meshed connection with a second helical gear (9), the second helical gear (9) is fixedly arranged at the bottom of a screw rod (10), the screw rod (10) penetrates through the adjusting box (4) and is in threaded connection with a screw rod nut fixedly arranged at the middle part of a connecting plate (11), two inner sides of the adjusting box (4) are in alternate connection with the connecting plate (11) through two limiting rods (12), one side of the connecting plate (11) is fixedly connected with one, the other end fixed mounting on head rod (13) has two first connecting blocks (14), first connecting block (14) are through fixing bolt (17) and second connecting block (16) fixed connection, second connecting block (16) fixed mounting is in the one end of second connecting rod (15), the other end fixed mounting of second connecting rod (15) has test tube clamping mechanism, the opposite side fixed mounting on base (1) top has alcohol burner fixed establishment.
2. The heating rack for high school chemical experiments according to claim 1, wherein: test tube clamping mechanism includes the solid fixed ring of test tube (18), first clamping spring (19) and test tube clamp plate (20), the solid fixed ring of test tube (18) fixed mounting is at the other end of second connecting rod (15), the inner wall of the solid fixed ring of test tube (18) is through one side fixed connection of the first clamping spring of a plurality of (19) and two test tube splint (20), two the equal fixed mounting of inner wall of test tube splint (20) has the rubber pad.
3. The heating rack for high school chemical experiments according to claim 1, wherein: alcohol burner fixed establishment includes the fixed section of thick bamboo of alcohol burner (21), supporting spring (22), supports a section of thick bamboo (23), second clamping spring (24) and alcohol burner splint (25), the fixed opposite side on base (1) top of the fixed section of thick bamboo of alcohol burner (21), the inside of the fixed section of thick bamboo of alcohol burner (21) is through a plurality of supporting spring (22) and the bottom fixed connection who supports a section of thick bamboo (23), the inner wall that supports a section of thick bamboo (23) is through one side fixed connection of a plurality of second clamping spring (24) and two alcohol burner splint (25), two the equal fixed mounting of inner wall of alcohol burner splint (25) has the rubber pad, the fixed adjustment mechanism that is equipped with in the back that supports a section of thick bamboo (23).
4. The heating rack for high school chemical experiments according to claim 3, wherein: the adjusting mechanism comprises a groove, a connecting screw rod (26) and a fixing nut (27), the groove is formed in the back face of the alcohol lamp fixing barrel (21), the connecting screw rod (26) is fixedly installed on the back face of the supporting barrel (23), the connecting screw rod (26) is connected with the groove in a sliding mode, and the connecting screw rod (26) is in threaded connection with the fixing nut (27).
5. The heating rack for high school chemical experiments according to claim 1, wherein: and a limiting block is fixedly arranged at the top end of the screw rod (10).
6. The heating rack for high school chemical experiments according to claim 1, wherein: supporting blocks (2) are fixedly arranged on four corners of the bottom end of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921433419.0U CN211134004U (en) | 2019-08-30 | 2019-08-30 | Chemistry of high school experiment heating frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921433419.0U CN211134004U (en) | 2019-08-30 | 2019-08-30 | Chemistry of high school experiment heating frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211134004U true CN211134004U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921433419.0U Active CN211134004U (en) | 2019-08-30 | 2019-08-30 | Chemistry of high school experiment heating frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211134004U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112756023A (en) * | 2021-01-19 | 2021-05-07 | 广东海洋大学 | Glassware rotating bracket for laboratory analysis |
| CN114210386A (en) * | 2021-12-31 | 2022-03-22 | 崔维贞 | Clamping device of biological teaching instrument test tube |
-
2019
- 2019-08-30 CN CN201921433419.0U patent/CN211134004U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112756023A (en) * | 2021-01-19 | 2021-05-07 | 广东海洋大学 | Glassware rotating bracket for laboratory analysis |
| CN114210386A (en) * | 2021-12-31 | 2022-03-22 | 崔维贞 | Clamping device of biological teaching instrument test tube |
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