CN210332744U

CN210332744U - Iron stand platform for chemistry experiments

Info

Publication number: CN210332744U
Application number: CN201921185710.0U
Authority: CN
Inventors: 李凯星
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-17
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses an iron stand platform for chemistry experiments relates to chemistry experiment technical field, the on-line screen storage device comprises a base, the top of base is provided with the recess, the inside of recess is rotated and is connected with the screw rod, one side of screw rod extends to the outside of base and is connected with the knob, the screw rod divide into the left and right sides with the central point, and the left and right sides is provided with opposite direction's external screw thread respectively. The utility model discloses a set up the screw rod, knob and two sets of fixed plates, when carrying out heating operation through the alcohol burner, rotate the knob, the knob drives the screw rod and rotates, the screw rod drives two sets of fixed plate relative motion through two sets of first transmission blocks under the interact of screw thread, the inboard and the alcohol burner contact that make two sets of fixed plates produce certain extrusion, can carry out spacing fixed to the alcohol burner from this, difficult emergence is emptyd when the alcohol burner receives external collision, make the experiment more safe, avoid appearing the experiment accident.

Description

Iron stand platform for chemistry experiments

Technical Field

The utility model relates to a chemistry experiment technical field specifically is an iron stand platform for chemistry experiments.

Background

The iron stand is used for fixing and supporting various instruments, the iron ring can replace a funnel stand to be used, the funnel stand is generally used for experiment operations such as filtering, heating, titration and the like, is one of the most widely used instruments in chemical experiments, and is often used in combination with an alcohol lamp.

Current iron stand platform for chemistry experiments need unscrew adjusting bolt and adjust after adjusting when adjusting the iron ring height, and adjust still must fix through screwing up adjusting bolt after accomplishing, uses comparatively troublesome, and produces easily and rocks, when carrying out heating operation through the alcohol burner, the alcohol burner takes place to empty because of external collision easily to cause the experiment accident.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve current iron stand platform for chemistry experiments when adjusting the iron ring height, need unscrew adjusting bolt and adjust after, and still must fix through screwing up adjusting bolt after adjusting the completion, use comparatively troublesome, and produce easily and rock, when carrying out heating operation through the alcohol burner, the alcohol burner takes place to empty because of external collision easily to cause the problem of experimental accident, provide an iron stand platform for chemistry experiments.

In order to achieve the above object, the utility model provides a following technical scheme: an iron support for chemical experiments comprises a base, wherein a groove is formed in the top of the base, a screw rod is rotatably connected inside the groove, one side of the screw rod extends to the outer side of the base and is connected with a knob, the screw rod is divided into a left side and a right side by a central point, the left side and the right side are respectively provided with external threads in opposite directions, two ends of the outer side of the screw rod and positioned inside the groove are respectively and movably connected with a first transmission block, a first internal thread matched with the screw rod is arranged inside the first transmission block, two sides of the top of the base are respectively and movably connected with a fixed plate through the first transmission block, a support arm is arranged at one end of the top of the base, a groove is formed in the support arm, a screw rod is rotatably connected inside the groove, the top of the screw rod extends to the top of the support arm and is connected with a crank, the inside of second transmission piece is provided with the second internal thread of mutually supporting with the lead screw, the one end that second transmission piece is close to the base is fixed with the sleeve pipe, sheathed tube inside swing joint has the loop bar, the end-to-end connection of loop bar has the iron ring.

Preferably, a fastening bolt is connected to one end of the top of the sleeve close to the iron ring in a threaded mode, and the tail end of the fastening bolt extends into the sleeve and is in contact with the sleeve rod.

Preferably, one end of the iron ring, which is far away from the loop bar, is of an open structure, and the open structure is connected with an adjusting bolt.

Preferably, the fixed plates are of arc structures, and the two groups of fixed plates are symmetrically arranged.

Preferably, the outside of crank is provided with the silica gel cover, the outside of knob is provided with anti-skidding line.

Preferably, the bottom of support arm both sides all is provided with the connecting block, and the support arm passes through the bolt and can dismantle with the base and be connected.

Preferably, the screw rod is rotatably connected with the base through a bearing, and the screw rod is rotatably connected with the supporting arm through a bearing.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is provided with the supporting arm, the screw rod and the crank, the crank is rotated forward or reversely, the crank drives the screw rod to rotate, the screw rod drives the second transmission block to move under the interaction of the screw thread, the second transmission block drives the iron ring to lift through the sleeve and the loop bar, when adjusting the height of the iron ring, the adjustment can be realized only by rotating the crank, the use is convenient, the structure is stable, the shaking is not easy to generate, by arranging the screw rod, the knob and the two groups of fixed plates, when the heating operation is carried out through the alcohol lamp, the knob is rotated, the knob drives the screw rod to rotate, the screw rod drives the two groups of fixed plates to move relatively through the two groups of first transmission blocks under the interaction of the screw thread, the inner sides of the two groups of fixed plates are contacted with the alcohol lamp and generate certain extrusion, thereby the limit fixing can be carried out on the alcohol lamp, when the alcohol lamp is not, and experimental accidents are avoided.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention;

fig. 3 is a schematic structural diagram of the fixing plate of the present invention.

In the figure: 1. a base; 2. a groove; 3. a screw; 4. a knob; 5. a first transmission block; 6. a first internal thread; 7. a fixing plate; 8. a support arm; 9. grooving; 10. a screw rod; 11. a crank; 12. a second transmission block; 13. a second internal thread; 14. a sleeve; 15. a loop bar; 16. fastening a bolt; 17. an iron ring; 18. and adjusting the bolt.

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. 1-3, an iron support for chemical experiments includes a base 1, a groove 2 is formed at the top of the base 1, a screw 3 is rotatably connected inside the groove 2, one side of the screw 3 extends to the outside of the base 1 and is connected with a knob 4, the screw 3 is divided into left and right sides by a central point, the left and right sides are respectively provided with external threads in opposite directions, two ends of the outside of the screw 3 and located inside the groove 2 are movably connected with a first transmission block 5, a first internal thread 6 mutually matched with the screw 3 is arranged inside the first transmission block 5, two sides of the top of the base 1 are movably connected with a fixing plate 7 through the first transmission block 5, one end of the top of the base 1 is provided with a support arm 8, a slot 9 is formed inside the support arm 8, a lead screw 10 is rotatably connected inside the slot 9, the top of the lead screw 10 extends to the top of the, the inside swing joint that the lead screw 10 outside is located fluting 9 has second transmission piece 12, and the inside of second transmission piece 12 is provided with the second internal thread 13 of mutually supporting with lead screw 10, and the one end that second transmission piece 12 is close to base 1 is fixed with sleeve pipe 14, and the inside swing joint of sleeve pipe 14 has loop bar 15, and the end-to-end connection of loop bar 15 has iron ring 17.

The utility model discloses a set up screw rod 3, knob 4 and two sets of fixed plate 7, when carrying out heating operation through the alcohol burner, rotate knob 4, knob 4 drives screw rod 3 and rotates, screw rod 3 drives two sets of fixed plate 7 relative motion through two sets of first transmission pieces 5 under the interact of screw thread, make the inboard and the alcohol burner contact of two sets of fixed plate 7 and produce certain extrusion, can fix the alcohol burner from this, difficult emergence is emptyd when the alcohol burner receives external collision, it is more safe to make the experiment.

Please refer to fig. 1 and fig. 2, a fastening bolt 16 is connected to a end of the top of the sleeve 14 close to the iron ring 17 through a screw thread, and the end of the fastening bolt 16 extends into the sleeve 14 and contacts with the loop bar 15, the utility model discloses a set up the fastening bolt 16, the fastening bolt 16 can be unscrewed to make the loop bar 15 extend out or retract into different lengths, so as to adjust the extending length of the iron ring 17, and the fastening bolt 16 is screwed after the adjustment is completed.

Please refer to fig. 1 and fig. 2, one end of the iron ring 17 far away from the rod 15 is an open structure, and the open structure is connected with an adjusting bolt 18, the present invention can adjust the size of the iron ring 17 by screwing the adjusting bolt 18 to adapt to different appliances.

Please refer to fig. 1 and fig. 3, the fixing plate 7 is an arc structure, and the two sets of fixing plates 7 are symmetrically arranged, the fixing plate 7 of the present invention is configured to be an arc structure, which conforms to the shape of the alcohol burner, so as to be convenient for limiting and fixing the alcohol burner.

Please refer to fig. 1, the outside of the crank 11 is provided with a silica gel sleeve, and the outside of the knob 4 is provided with anti-slip lines, the utility model discloses a set up anti-slip lines in the outside of knob 4, can increase the frictional force between hand and the knob 4, be convenient for the rotation of knob 4.

Please refer to fig. 1, the bottom ends of the two sides of the supporting arm 8 are both provided with a connecting block, and the supporting arm 8 is detachably connected with the base 1 through a bolt, so that the supporting arm 8 and the base 1 can be assembled and disassembled conveniently.

Please refer to fig. 1, the screw rod 3 is connected to the base 1 through the bearing, and the screw rod 10 is connected to the support arm 8 through the bearing, so that the friction between the screw rod 3 and the base 1, the screw rod 10 and the support arm 8 can be reduced, thereby facilitating the rotation of the screw rod 3 and the screw rod 10.

The working principle is as follows: during the experiment, the base 1 is arranged on a horizontal experiment table, instruments such as beakers and the like can be arranged in the iron ring 17 for the experiment, the size of the iron ring 17 can be adjusted by screwing the adjusting bolt 18 to adapt to different appliances, the fastening bolt 16 can be unscrewed to enable the loop bar 15 to extend out or retract into different lengths, the extending length of the iron ring 17 can be adjusted, the fastening bolt 16 is screwed after the adjustment is completed, when the heating operation is carried out through the alcohol lamp, the iron ring 17 is adjusted to be right above the groove 2, the knob 4 is manually rotated, the knob 4 drives the screw rod 3 to rotate, as the screw rod 3 is divided into the left side and the right side by the central point, and the left side and the right side are respectively provided with external threads in opposite directions, the screw rod 3 drives the two groups of fixing plates 7 to move relatively through the two groups of first transmission blocks 5 under the interaction of the threads, so that the inner sides of the two groups of, from this can carry out spacing fixed to the alcohol burner, be difficult for taking place to empty when the alcohol burner receives external collision, it is safer to make the experiment, avoid appearing the experiment accident, if need adjust the height of iron ring 17, manual forward or antiport crank 11, crank 11 drives lead screw 10 and rotates, because the inside of second transmission piece 12 is provided with the second internal thread 13 of mutually supporting with lead screw 10, lead screw 10 drives second transmission piece 12 and moves under the interact of screw thread, second transmission piece 12 drives iron ring 17 through sleeve pipe 14 and loop bar 15 and goes up and down, with this height-adjusting, and convenient for operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an iron stand platform for chemistry experiments, includes base (1), its characterized in that: the top of the base (1) is provided with a groove (2), the inside of the groove (2) is rotatably connected with a screw rod (3), one side of the screw rod (3) extends to the outer side of the base (1) and is connected with a knob (4), the screw rod (3) is divided into the left side and the right side by a central point, the left side and the right side are respectively provided with external threads with opposite directions, the two ends of the outer side of the screw rod (3) and the inner part of the groove (2) are respectively and movably connected with a first transmission block (5), the inner part of the first transmission block (5) is provided with a first internal thread (6) which is mutually matched with the screw rod (3), the two sides of the top of the base (1) are respectively and movably connected with a fixing plate (7) by the first transmission block (5), one end of the top of the base (1) is provided with, the inside of fluting (9) is rotated and is connected with lead screw (10), the top of lead screw (10) extends to the top of support arm (8) and is connected with crank (11), the inside swing joint that lead screw (10) outside is located fluting (9) has second transmission piece (12), the inside of second transmission piece (12) is provided with second internal thread (13) of mutually supporting with lead screw (10), the one end that second transmission piece (12) is close to base (1) is fixed with sleeve pipe (14), the inside swing joint of sleeve pipe (14) has loop bar (15), the end-to-end connection of loop bar (15) has iron ring (17).

2. The iron stand for chemical experiments according to claim 1, wherein: and one end of the top of the sleeve (14), which is close to the iron ring (17), is in threaded connection with a fastening bolt (16), and the tail end of the fastening bolt (16) extends into the sleeve (14) and is in contact with the loop bar (15).

3. The iron stand for chemical experiments according to claim 1, wherein: one end, far away from the loop bar (15), of the iron ring (17) is of an open structure, and the open structure is connected with an adjusting bolt (18).

4. The iron stand for chemical experiments according to claim 1, wherein: the fixing plates (7) are of arc-shaped structures, and the two groups of fixing plates (7) are symmetrically arranged.

5. The iron stand for chemical experiments according to claim 1, wherein: the outside of crank (11) is provided with the silica gel cover, the outside of knob (4) is provided with anti-skidding line.

6. The iron stand for chemical experiments according to claim 1, wherein: the bottom of support arm (8) both sides all is provided with the connecting block, and support arm (8) pass through the bolt and can dismantle with base (1) and be connected.

7. The iron stand for chemical experiments according to claim 1, wherein: the screw rod (3) is rotatably connected with the base (1) through a bearing, and the screw rod (10) is rotatably connected with the supporting arm (8) through a bearing.