CN215996761U

CN215996761U - Rack is prevented empting by instrument for high school's chemistry experiments

Info

Publication number: CN215996761U
Application number: CN202121962355.0U
Authority: CN
Inventors: 张策
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-03-11
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses an anti-toppling placing frame for an instrument for high school chemistry experiments, and relates to the technical field of instrument placing frames. The anti-dumping box comprises a box body with an opening on one side, wherein a first groove is formed in the box body, an anti-dumping frame is movably inserted in the first groove, a first bevel gear is installed on the box body, the first bevel gear is connected with a first gear through a rotating rod, a plurality of second gears are meshed on the first gear, the second gears are rotatably connected with the box body through rotating rods, brush heads are fixedly arranged on the second gears and the first gears respectively, and a stepping motor is installed on the box body. According to the utility model, water is added into the box body, the opening of the test tube faces the interior of the box body and is tightened by the fixing piece, then the fixing piece is inserted into the box body, the brush head is positioned in the test tube, the bevel gear II connected with the motor end starts to rotate, so that the meshed bevel gear I rotates at the same time, the gear I and the gear II are driven to rotate, and the brush head continuously rotates to clean the inner wall of the test tube.

Description

Rack is prevented empting by instrument for high school's chemistry experiments

Technical Field

The utility model relates to the technical field of instrument placement racks, in particular to an anti-toppling placement rack for an instrument for a high school chemistry experiment.

Background

The experimental instrument is used for concrete experiments in natural science and is mainly used in physics, chemistry and biology. Modern common experimental instruments include test tubes, beakers, evaporating dishes, crucibles, alcohol lamps, buchner funnels, gas washing bottles, drying tubes, tray balances, measuring cylinders, volumetric flasks, burettes, measuring devices and the like.

The test tube can be used in the chemical reaction experiment, and the test tube need be placed on preventing empting the rack, and the rack of preventing empting generally only is used for placing the instrument, and the function is single, inconvenient use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the utility model provides an anti-toppling placing rack for an instrument for high school chemistry experiments, which does not solve the problem of single function of the anti-toppling placing rack.

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a rack is prevented empting by instrument for high school's chemistry experiments, includes that one side is the open-ended box, set up recess one on the box, recess one internalization alternate has prevents the dump rack, install bevel gear one on the box, bevel gear one is connected with gear one through the bull stick, the meshing has a plurality of gear two on the gear one, gear two pass through the bull stick with the box rotates to be connected, gear two with the brush head has set firmly respectively on the gear one, install step motor on the box, the step motor output is connected with bevel gear two through the bull stick, bevel gear one with bevel gear two intermeshing and perpendicular, it has the mounting to peg graft on the box.

Further, the fixing part comprises a connecting plate, a plurality of round holes are formed in the connecting plate, springs are symmetrically mounted in the round holes, and the free ends of the springs are fixedly connected with clamping plates.

Furthermore, vertical slideways are symmetrically arranged on opposite surfaces inside the box body, guide rods are symmetrically and fixedly arranged on opposite surfaces of the connecting plate, and the guide rods are connected with the inside of the slideways in a sliding mode.

Furthermore, a second groove is formed in the box body, a first bearing plate is movably inserted in the second groove, and a plurality of circular grooves are formed in the first bearing plate.

Further, an arc spring piece is fixedly arranged in the circular groove.

Furthermore, a third groove is formed in the box body, a second bearing plate is movably inserted in the third groove, and a plurality of draining racks are inserted in the second bearing plate.

Furthermore, a plurality of arc-shaped grooves are formed in the second bearing plate, the bottom end of the draining frame is matched with the arc-shaped grooves, transverse plates are fixedly connected to two sides of the second bearing plate respectively, special-shaped grooves are symmetrically formed in the transverse plates, and two ends of the draining frame are located in the special-shaped grooves.

The utility model has the following beneficial effects:

1. according to the utility model, water is added into the box body, the opening of the test tube faces the interior of the box body and is tightened by the fixing piece, then the fixing piece is inserted into the box body, the brush head is positioned in the test tube, the bevel gear II connected with the motor end starts to rotate, so that the meshed bevel gear I simultaneously rotates, the gear I and the gear II are driven to rotate, the brush head continuously rotates to clean the inner wall of the test tube, and the test tube can be quickly cleaned after the experiment is finished, so that the anti-dumping frame of the instrument has a cleaning function, and a multifunctional effect is achieved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a side view of the present invention;

reference numerals: 1. a box body; 2. a first groove; 3. an anti-toppling frame; 4. a first bevel gear; 5. a first gear; 6. a second gear; 7. a brush head; 8. a stepping motor; 9. a second bevel gear; 10. a fixing member; 101. a connecting plate; 102. a circular hole; 103. a spring; 104. a clamping plate; 11. a slideway; 12. a guide bar; 13. a second groove; 14. a first bearing plate; 15. a circular groove; 16. an arc-shaped spring piece; 17. a third groove; 18. a second bearing plate; 19. a draining rack; 20. an arc-shaped slot; 21. a transverse plate; 22. a special-shaped groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-4, an anti-toppling rack for an instrument for high school chemistry experiments, according to an embodiment of the present invention, comprises a box body 1 with an opening on one side, a first groove 2 is formed on the box body 1, a rectangular block is fixedly arranged at a position of the first groove 2 close to a notch, an anti-toppling rack 3 is movably inserted in the first groove 2, a fixture block is arranged at the bottom of the anti-toppling rack 3, when the anti-toppling rack 3 is pulled, the rectangular block is abutted against the fixture block, the anti-toppling rack 3 is prevented from being completely pulled out of the box body 1, a through hole is formed in the anti-toppling rack 3, a test tube is placed in the through hole, the bottom end of the test tube is abutted against a table top, the opening of the test tube is higher than the top of the anti-toppling rack 3, a first bevel gear 4 is mounted on the box body 1, the first bevel gear 4 is connected with a first gear 5 through a rotating rod, the first gear 5 is connected with a bearing of the box body 1 through rotation of the first bevel gear 4, a plurality of gears 6 are engaged with the first gear, a second gear 6 is rotationally connected with the box body 1 through a rotating rod, brush heads 7 are fixedly arranged on the second gear 6 and the first gear 5 respectively, a stepping motor 8 is arranged on the box body 1, the output end of the stepping motor 8 is connected with a second bevel gear 9 through the rotating rod, the first bevel gear 4 is mutually meshed with and vertical to the second bevel gear 9, a fixing part 10 is inserted on the box body 1, water is added into the box body 1, the opening of a test tube faces the interior of the box body 1 and is tightened by the fixing part 10, then the fixing part 10 is inserted into the box body 1, the brush heads 7 are positioned in the test tube at the moment, the second bevel gear 9 connected with the end of the stepping motor 8 starts to rotate, the first bevel gear 4 which is meshed simultaneously rotates, the first gear 5 and the second gear 6 are also driven to rotate, the brush heads 7 continuously rotate to clean the inner wall of the test tube, the test tube can be quickly cleaned after the experiment is finished, and the anti-dumping rack 3 of the instrument has a cleaning function, achieving the effect of multiple functions.

As shown in fig. 1 and 3, mounting 10 includes connecting plate 101, a plurality of round hole 102 has been seted up on connecting plate 101, spring 103 is installed to the symmetry in the round hole 102, spring 103 free end rigid coupling has grip block 104, be provided with the unsmooth piece on the grip block 104 opposite face, prevent to drive the test tube when brush head 7 rotates and rotate, place the test tube between the grip block 104 opposite face, the resilience of spring 103 makes grip block 104 inner wall and test tube lateral wall inconsistent, thereby make the test tube fix, make things convenient for the better washing test tube inner wall of brush head 7.

As shown in fig. 3, 1 inside opposite face symmetry of box has been seted up vertically to slide 11, and connecting plate 101 opposite face symmetry has set firmly guide arm 12,

guide arm

12 and 11 inside sliding connection of slide, and behind guide arm 12 inserted slide 11, guide arm 12 side and the laminating of the 11 inner walls of slide prevent connecting plate 101's removal, lead to brush head 7 can not contact the test tube inside wall completely, cause the test tube inside wall to wash unclean.

As shown in figure 2, a second groove 13 is formed in the box body 1, a rectangular block is fixedly arranged at the position, close to the notch, of the second groove 13, a first bearing plate 14 is movably inserted into the second groove 13, a clamping block is arranged at the bottom of the first bearing plate 14, the first bearing plate 14 is prevented from being drawn out of the box body 1, a plurality of circular grooves 15 are formed in the first bearing plate 14, the first bearing plate 14 is drawn out, beakers containing substances can be placed in the circular grooves 15, and placement of various instruments is achieved.

As shown in figure 2, an arc spring piece 16 is fixedly arranged in the circular groove 15, and the beaker is placed in the arc spring piece 16, so that the bottom of the beaker can be clamped, and the beaker is prevented from shaking, and the substance in the beaker is poured out.

As shown in fig. 2 and 4, a third groove 17 is formed in the box body 1, a rectangular block is fixedly arranged at the position, close to the notch, of the third groove 17, a second bearing plate 18 is movably inserted in the third groove 17, a clamping block is arranged at the bottom of the second bearing plate 18, the second bearing plate 18 is prevented from being drawn out of the box body 1, a plurality of draining frames 19 are inserted in the second bearing plate 18, and test tubes can be placed on the draining frames 19 after being cleaned and are dried.

As shown in fig. 2, a plurality of arc grooves 20 are formed in the second bearing plate 18, the bottom end of the draining frame 19 is matched with the arc grooves 20, the two sides of the second bearing plate 18 are fixedly connected with transverse plates 21 respectively, special-shaped grooves 22 are symmetrically formed in the transverse plates 21, two ends of the draining frame 19 are located in the special-shaped grooves 22, the special-shaped grooves 22 are shown in fig. 2, two ends of the draining frame 19 can rotate in the special-shaped grooves 22, the draining frame 19 is pushed towards the inside of the box body 1 and then is rotated, the draining frame 19 is perpendicular to the second bearing plate 18, the bottom end of the draining frame 19 is inserted into the arc grooves 20, the side faces of two ends of the draining frame 19 are abutted to the inner walls of the special-shaped grooves 22, the draining frame 19 is integrally limited and cannot move, and the test tube is prevented from being obliquely collided with hard objects during airing, so that the test tube is damaged.

Claims

1. The utility model provides a rack is prevented empting by instrument for high school's chemistry experiments which characterized in that, includes that one side is open-ended box (1), seted up recess one (2) on box (1), recess one (2) internalization alternate have prevents empting frame (3), install bevel gear one (4) on box (1), bevel gear one (4) are connected with gear one (5) through the bull stick, the meshing has a plurality of gear two (6) on gear one (5), gear two (6) are connected with box (1) rotation through the bull stick, brush head (7) have set firmly respectively on gear two (6) and gear one (5), install step motor (8) on box (1), step motor (8) output is connected with bevel gear two (9) through the bull stick, bevel gear one (4) with bevel gear two (9) intermeshing and perpendicular, the box body (1) is spliced with a fixing piece (10).

2. The anti-toppling placing rack for the instrument for the high school chemistry experiments according to claim 1, wherein the fixing member (10) comprises a connecting plate (101), a plurality of round holes (102) are formed in the connecting plate (101), the axis of the brush head (7) is aligned with the circle center of the round hole (102), springs (103) are symmetrically arranged in the round hole (102), and a clamping plate (104) is fixedly connected to the free end of each spring (103).

3. The anti-toppling placing rack for the instruments for the high school chemistry experiments, according to claim 2, is characterized in that vertical slideways (11) are symmetrically formed in opposite surfaces inside the box body (1), guide rods (12) are symmetrically and fixedly arranged on opposite surfaces of the connecting plate (101), and the guide rods (12) are connected with the insides of the slideways (11) in a sliding mode.

4. The anti-toppling placing rack for the high school chemical experiment instrument as claimed in claim 1, wherein a second groove (13) is formed in the box body (1), a first bearing plate (14) is movably inserted into the second groove (13), and a plurality of circular grooves (15) are formed in the first bearing plate (14).

5. The anti-toppling placing rack for the instrument for the high school chemistry experiment is characterized in that an arc-shaped spring piece (16) is fixedly arranged in the circular groove (15).

6. The anti-toppling placing rack for the high school chemical experiment instrument as claimed in claim 1, wherein a third groove (17) is formed in the box body (1), a second bearing plate (18) is movably inserted in the third groove (17), and a plurality of draining racks (19) are inserted in the second bearing plate (18).

7. The anti-toppling placing frame for the high school chemical experiment instrument is characterized in that a plurality of arc-shaped grooves (20) are formed in the second bearing plate (18), the bottom end of the draining frame (19) is matched with the arc-shaped grooves (20), transverse plates (21) are fixedly connected to two sides of the second bearing plate (18) respectively, special-shaped grooves (22) are symmetrically formed in the transverse plates (21), and two ends of the draining frame (19) are located in the special-shaped grooves (22).