CN209901325U - Chemistry experiment heating frame with adjustable - Google Patents
Chemistry experiment heating frame with adjustable Download PDFInfo
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- CN209901325U CN209901325U CN201920434473.0U CN201920434473U CN209901325U CN 209901325 U CN209901325 U CN 209901325U CN 201920434473 U CN201920434473 U CN 201920434473U CN 209901325 U CN209901325 U CN 209901325U
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Abstract
The utility model discloses an adjustable chemical experiment heating frame, which comprises a base, wherein a box body is arranged on the top surface of the base, a transmission mechanism is arranged in the box body, the transmission mechanism comprises a first bearing seat and a second bearing seat, a transverse shaft is horizontally and rotatably arranged in the first bearing seat, one end of the transverse shaft penetrates through the box body and is connected with a hand wheel, and a driving bevel gear is arranged at the other end of the transverse shaft; a vertical shaft is vertically and rotatably arranged in the second bearing seat, a driven bevel gear is arranged at the lower part of the vertical shaft, a thread is arranged at the upper part of the vertical shaft, a sliding block is screwed on the thread, a vertical plate is arranged on one side of the base corresponding to the vertical shaft, a sliding groove is arranged in the middle of the vertical plate, and the sliding block is slidably clamped in the sliding groove through a limiting block; the slider passes through bar-shaped piece and dead lever connection fixture in the top of base, and fixture's below is provided with places the platform. The utility model provides a can carry out altitude mixture control when household utensils heating, and adjust the convenience, the high adjustable chemistry experiment heating frame of security.
Description
Technical Field
The utility model relates to a chemistry experiment equipment technical field specifically is a chemistry experiment heating frame with adjustable.
Background
In chemical experiments, an alcohol lamp is often used for heating reagents, and the specific operations are as follows: adopt test tube or other distillation household utensils to hold and wait to heat reagent, then support the test tube with the help of the tripod and heat, this kind of heating method has many limitations, like heating highly fixed, heating inhomogeneous etc. part prior art has improved the heating frame, still the ubiquitous following not enough: the heating frame cannot be adjusted in the heating process, because the heating process can cause accidents such as scalding operators or splashing liquid to hurt people if adjusted, the heating frame can only be adjusted before heating, the distance between an alcohol lamp and a test tube is mainly adjusted by replacing alcohol lamps with different types or test tubes with different lengths, so that containers filled with reagents and needing to be replaced with new containers are troublesome to contain, inconvenience is brought to operators, some reagents cannot be exposed in the air for a long time, and pollution or oxidation is caused otherwise; if adjust at the heating process and can be very dangerous again, for this reason we propose one kind can carry out the altitude mixture control when household utensils heating, and adjust conveniently, and the security is high, fixed firm adjustable chemistry experiment heating frame is used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can carry out altitude mixture control when household utensils heating, and adjust conveniently, the security is high, fixed firm adjustable chemistry experiment heating frame to solve the problem that proposes among the above-mentioned background.
In order to achieve the above object, the utility model provides a following technical scheme: an adjustable heating frame for chemical experiments comprises a base, wherein a box body is fixedly mounted at one end of the top surface of the base, a transmission mechanism is arranged in the box body, the transmission mechanism comprises a first bearing seat and a second bearing seat, a transverse shaft is horizontally and rotatably mounted in the first bearing seat through a bearing, one end of the transverse shaft penetrates through the box body to be connected with a hand wheel, and a driving bevel gear is mounted at the other end of the transverse shaft; a vertical shaft is vertically and rotatably installed in the second bearing seat through a bearing, a driven bevel gear is arranged at the lower part of the vertical shaft, the driving bevel gear is meshed with the driven bevel gear, a thread is arranged at the upper part of the vertical shaft, a sliding block is screwed on the thread, a vertical plate is arranged at one side of the base corresponding to the vertical shaft, a sliding groove is arranged in the middle of the vertical plate, and the sliding block is slidably clamped in the sliding groove through a limiting block and can slide up and down; the slider is provided with the bar piece in the top of base, and fixture is connected through the dead lever to the bar piece, and fixture's below is provided with places the platform.
Further, fixture include with dead lever fixed connection's ring, the fixed sleeve that is equipped with in inner circle both sides of ring, sliding joint has the inserted bar in the sleeve, the other end and the arc piece lateral wall fixed connection of inserted bar, the spring has been cup jointed in the activity of inserted bar outer wall, the both ends of spring respectively with sleeve and arc piece fixed connection, two in the ring the arc piece concatenation constitutes circularly.
Furthermore, a stop block is arranged at the top end of the vertical shaft, and the outer diameter of the stop block is larger than the diameter of a screw hole of the sliding block.
Further, place a top surface and be equipped with the standing groove, the activity joint has the box body in the standing groove, the bottom surface is equipped with magnet in the standing groove, the box body bottom surface is equipped with the iron sheet with the magnet cooperation, iron sheet and magnet magnetic adsorption.
Further, the box and the base top surface of placing between the platform on the fixed U-shaped board that is equipped with, the screw hole that U-shaped board top surface was equipped with, threaded hole internal thread peg graft has the screw rod, the bottom mounting of screw rod is equipped with the hemisphere piece, hemisphere piece outer wall and disc top surface center swing joint, the bottom surface fixed connection lifter of disc, the lower extreme of lifter runs through base fixedly connected with sucking disc, and the lifter outer wall activity has cup jointed the elastic component, the both ends of elastic component respectively with disc bottom surface and base top surface fixed connection.
Furthermore, the bottom surfaces at two ends of the base are fixedly provided with anti-skid cushion blocks.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up initiative bevel gear on the cross axle, set up driven bevel gear on the vertical axis, rotate the hand wheel and drive cross axle and initiative bevel gear rotates to drive driven bevel gear and vertical axis and rotate, do straight reciprocating motion from top to bottom along the vertical axis with vertical axis threaded connection's slider under the limiting displacement of riser, can drive the bar piece of being connected with the slider like this and fixture reciprocates, thereby adjust the distance between test tube and the alcohol burner. The device can adjust the height of the heating frame in the heating process of the vessel, is convenient to adjust and high in safety, and prevents danger caused by replacement of an alcohol lamp or heating of the vessel in the heating process; meanwhile, the phenomenon that the heating is uneven and the experimental effect is influenced due to the fact that the distance between the utensil and the alcohol lamp is not matched because the utensil is too high or too low is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the transmission mechanism inside the middle box body of the present invention;
FIG. 3 is a schematic view of the structure of the clamping device of the present invention;
fig. 4 is a schematic view of the connection structure at the bottom of the U-shaped plate of the present invention.
In the figure: the device comprises a base 1, an anti-skid cushion block 11, a box 12, a transmission mechanism 2, a transverse shaft 21, a first bearing seat 22, a hand wheel 23, a driving bevel gear 24, a driven bevel gear 25, a second bearing seat 26, a vertical shaft 27, a stop block 28, a sliding block 29, a block 210, a fixed rod 211, a vertical plate 212, a sliding groove 213, a limiting block 214, a clamping mechanism 3, a ring 31, a sleeve 32, an inserted rod 33, an arc block 34, a spring 35, a placing table 4, a placing groove 41, a magnet 42, a box body 43, an iron sheet 44, a U-shaped plate 5, a screw 51, a hemispherical block 52, a lifting rod 53, a suction cup 54, a disc 55 and an elastic element 56.
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. 1-4, the present invention provides a technical solution: an adjustable heating frame for chemical experiments comprises a base 1, wherein one end of the top surface of the base 1 is fixedly provided with a box body 12, a transmission mechanism 2 is arranged in the box body 12, the transmission mechanism 2 comprises a first bearing seat 22 and a second bearing seat 26, a transverse shaft 21 is horizontally and rotatably arranged in the first bearing seat 22 through a bearing, one end of the transverse shaft 21 penetrates through the box body 12 to be connected with a hand wheel 23, and the other end of the transverse shaft 21 is provided with a driving bevel gear 24; a vertical shaft 27 is vertically and rotatably installed in the second bearing seat 26 through a bearing, a driven bevel gear 25 is arranged at the lower part of the vertical shaft 27, a driving bevel gear 24 is meshed with the driven bevel gear 25, a thread is arranged at the upper part of the vertical shaft 27, a sliding block 29 is screwed in the thread, a vertical plate 212 is arranged on one side of the base 1 corresponding to the vertical shaft 27, a sliding groove 213 is arranged in the middle of the vertical plate 212, and the sliding block 29 is slidably clamped in the sliding groove 213 through a limiting block 214 and can slide up and down; the slider 29 is provided with a bar-shaped block 210 above the base 1, the bar-shaped block 210 is connected with the clamping mechanism 3 through a fixing rod 211, and the placing table 4 is arranged below the clamping mechanism 3.
Fixture 3 includes ring 31 with dead lever 211 fixed connection, and the inner circle both sides of ring 31 are fixed and are equipped with sleeve 32, and sliding joint has inserted bar 33 in sleeve 32, and the other end and the 34 lateral walls fixed connection of arc piece of inserted bar 33, and the activity of inserted bar 33 outer wall has cup jointed spring 35, spring 35's both ends respectively with sleeve 32 and 34 fixed connection of arc piece, two in the ring 31 the concatenation of arc piece 34 constitutes circularly. The test tube that will need the heating is placed in two arc pieces 34 in ring 31, through spring 35's shrink, and inserted bar 33 slides to sleeve 32, and simultaneously under spring 35's elastic force effect, arc piece 34 encircles the centre gripping to the test tube, realizes the fixed of test tube.
The top end of the vertical shaft 27 is provided with a stopper 28, and the outer diameter of the stopper 28 is larger than the screw hole diameter of the slider 29. Preventing the slider 29 from unscrewing from the threaded section at the top of the vertical shaft 27.
The top surface of the placing table 4 is provided with a placing groove 41, a box body 43 is movably clamped in the placing groove 41, a magnet 42 is arranged on the bottom surface in the placing groove 41, an iron sheet 44 is arranged on the bottom surface of the box body 43 and matched with the magnet 42, and the iron sheet 44 and the magnet 42 are magnetically adsorbed. Put the alcohol burner in box body 43, again with box body 43 joint in standing groove 41, avoid the alcohol burner to empty, through iron sheet 44 and magnet 42 magnetic adsorption, when placing box body 43, play an adsorption to box body 43, improve the steadiness.
The fixed U-shaped plate 5 that is equipped with on the box 12 and the base 1 top surface of placing between the platform 4, the screw hole that U-shaped plate 5 top surface was equipped with, threaded hole internal thread is pegged graft and is had screw rod 51, screw rod 51's bottom mounting is equipped with hemisphere piece 52, hemisphere piece 52 outer wall and the central active contact of disc 55 top surface, the bottom surface fixed connection lifter 53 of disc 55, base 1 fixedly connected with sucking disc 54 is run through to the lower extreme of lifter 53, and lifter 53 outer wall activity cup joints elastic component 56, elastic component 56's both ends respectively with disc 55 bottom surface and base 1 top surface fixed connection. By rotating the screw 51, the hemispherical block 52 is contacted with the top surface of the disc 55, and by extruding the elastic piece 56, the lifting rod 53 presses the sucker 54 down to be contacted with the workbench, so that the base 1 is fixed, and the stability of the base 1 is further improved.
The bottom surfaces of the two ends of the base 1 are fixedly provided with anti-skid cushion blocks 11. By using the anti-skid cushion blocks 11, the base 1 is more stable when placed.
The utility model discloses when using, put the alcohol burner in box body 43, again with box body 43 joint in standing groove 41, avoid the alcohol burner to empty, later place the test tube that will need the heating in two arc pieces 34 in ring 31, shrink through spring 35, inserted bar 33 slides to sliding in sleeve 32, simultaneously under spring 35's elastic force effect, arc piece 34 encircles the centre gripping to the test tube, realize the fixed of test tube, afterwards through rotating hand wheel 23, drive cross axle 21 and initiative bevel gear 24 and rotate, initiative bevel gear 24 and driven bevel gear 25 rotate the meshing, it rotates to drive vertical axis 27, thereby make slider 29, bar 210 and clamping device 3 can do linear motion from top to bottom along vertical axis 27, make the distance between test tube and the alcohol burner adjust to the optimum position. The device can adjust the height of the heating frame in the heating process of the vessel, is convenient to adjust and high in safety, and prevents danger caused by replacement of an alcohol lamp or heating of the vessel in the heating process; meanwhile, the phenomenon that the heating is uneven and the experimental effect is influenced due to the fact that the distance between the utensil and the alcohol lamp is not matched because the utensil is too high or too low is avoided.
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 heating frame with adjustable, includes base (1), its characterized in that: a box body (12) is fixedly installed at one end of the top surface of the base (1), a transmission mechanism (2) is arranged in the box body (12), the transmission mechanism (2) comprises a first bearing seat (22) and a second bearing seat (26), a transverse shaft (21) is horizontally and rotatably installed in the first bearing seat (22) through a bearing, one end of the transverse shaft (21) penetrates through the box body (12) to be connected with a hand wheel (23), and a driving bevel gear (24) is installed at the other end of the transverse shaft (21); a vertical shaft (27) is vertically and rotatably installed in the second bearing seat (26) through a bearing, a driven bevel gear (25) is arranged at the lower part of the vertical shaft (27), the driving bevel gear (24) is meshed with the driven bevel gear (25), a thread is arranged at the upper part of the vertical shaft (27), a sliding block (29) is rotatably installed on the thread, a vertical plate (212) is arranged on one side of the base (1) corresponding to the vertical shaft (27), a sliding groove (213) is formed in the middle of the vertical plate (212), and the sliding block (29) is slidably clamped in the sliding groove (213) through a limiting block (214) and can slide up and down; the sliding block (29) is provided with a bar-shaped block (210) above the base (1), the bar-shaped block (210) is connected with the clamping mechanism (3) through a fixing rod (211), and a placing table (4) is arranged below the clamping mechanism (3).
2. The adjustable heating rack for chemical experiments according to claim 1, wherein: fixture (3) include ring (31) with dead lever (211) fixed connection, the inner circle both sides of ring (31) are fixed and are equipped with sleeve (32), sliding joint has inserted bar (33) in sleeve (32), the other end and arc piece (34) lateral wall fixed connection of inserted bar (33), spring (35) have been cup jointed in inserted bar (33) outer wall activity, the both ends of spring (35) respectively with sleeve (32) and arc piece (34) fixed connection, two in ring (31) arc piece (34) concatenation constitutes circularly.
3. The adjustable heating rack for chemical experiments according to claim 1, wherein: the top end of the vertical shaft (27) is provided with a stop block (28), and the outer diameter of the stop block (28) is larger than the diameter of a screw hole of the sliding block (29).
4. The adjustable heating rack for chemical experiments according to claim 1, wherein: the top surface of the placing table (4) is provided with a placing groove (41), a box body (43) is movably clamped in the placing groove (41), a magnet (42) is arranged on the bottom surface in the placing groove (41), an iron sheet (44) is arranged on the bottom surface of the box body (43) and matched with the magnet (42), and the iron sheet (44) and the magnet (42) are magnetically adsorbed.
5. The adjustable heating rack for chemical experiments according to claim 1, wherein: the improved automatic lifting device is characterized in that a U-shaped plate (5) is fixedly arranged on the top surface of the base (1) between the box body (12) and the placing table (4), a threaded hole is formed in the top surface of the U-shaped plate (5), a threaded rod (51) is inserted into the threaded hole in an inner thread manner, a hemispherical block (52) is fixedly arranged at the bottom end of the threaded rod (51), the outer wall of the hemispherical block (52) is in movable contact with the center of the top surface of a disc (55), a lifting rod (53) is fixedly connected to the bottom surface of the disc (55), the lower end of the lifting rod (53) penetrates through a sucking disc (54) fixedly connected with the base (1), an elastic part (56) is movably sleeved on the outer wall of the lifting rod (53), and two ends of the elastic part (.
6. The adjustable heating rack for chemical experiments according to claim 1, wherein: and anti-skid cushion blocks (11) are fixedly arranged on the bottom surfaces of the two ends of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920434473.0U CN209901325U (en) | 2019-04-02 | 2019-04-02 | Chemistry experiment heating frame with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920434473.0U CN209901325U (en) | 2019-04-02 | 2019-04-02 | Chemistry experiment heating frame with adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209901325U true CN209901325U (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920434473.0U Active CN209901325U (en) | 2019-04-02 | 2019-04-02 | Chemistry experiment heating frame with adjustable |
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| Country | Link |
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| CN (1) | CN209901325U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112108462A (en) * | 2020-10-04 | 2020-12-22 | 崔国辉 | Seamless stainless steel tube purging device |
| CN113797396A (en) * | 2021-10-08 | 2021-12-17 | 温州医科大学附属口腔医院 | Preparation method of porous zinc biological composite coating for degradable bone scaffold |
-
2019
- 2019-04-02 CN CN201920434473.0U patent/CN209901325U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112108462A (en) * | 2020-10-04 | 2020-12-22 | 崔国辉 | Seamless stainless steel tube purging device |
| CN112108462B (en) * | 2020-10-04 | 2023-09-08 | 江苏兴洋管业股份有限公司 | Seamless stainless steel pipe purging device |
| CN113797396A (en) * | 2021-10-08 | 2021-12-17 | 温州医科大学附属口腔医院 | Preparation method of porous zinc biological composite coating for degradable bone scaffold |
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