CN203816677U - Movable hoisting experiment table with variable tabletop - Google Patents

Abstract

The utility model provides a movable hoisting experiment table with a variable tabletop. The movable hoisting experiment table comprises a tabletop plate and table supporting rods, wherein the side edge of the tabletop plate is connected with a side edge plate through a hinge; a folding mechanism is arranged between the side edge plate and the table supporting rods; the side edge plate and the tabletop plate are horizontally aligned and spliced or are vertically arranged on the tabletop plate through the folding mechanism so as to adjust the area size of the experiment table; the lower end of each table supporting rod is inserted into a rod sleeve and a universal wheel is arranged at the bottom of each rod sleeve; the position of the experiment table can be moved in an energy-saving and translation manner through the rolling of the universal wheels; guide grooves are formed in the opposite sides of the rod sleeves; the table supporting rods which are inserted into the guide grooves are provided with guide pins; positioning pins are arranged on the surfaces of the rod sleeves which are vertically arranged above the guide pins; the two ends of a rotary shaft are connected among the positioning pins and the guide pins through flexible connection pieces; when the rotary shaft moves, the flexible connection pieces are wound or loosened on the rotary shaft so as to enable the tabletop plate to ascend or descend. According to the movable hoisting experiment table, the height of the experiment table can be changed and the experiment table can be moved in any direction; the area of the experiment table is adjustable and more experiment requirements can be met; the movable hoisting experiment table has a wide applicable range.

Description

Movable table top variable lift test bench

technical field

The utility model relates to a movable lifting test bench with a variable table top. It is a test bench that can meet various requirements. The height can be changed.

Background technique

The laboratory is usually equipped with a test bench, which is used to place pharmaceutical reagents and experimental devices, and to complete experiments on the test bench. The height of the experimental bench should be convenient for the experimental operator to conduct experiments, but different experiments have different heights of the experimental equipment, and may require different heights for the experimental operators. The height of the traditional test bench is fixed, and different experimental operation heights, as well as the different operating heights of the experimental operators, the experimental operators can only change their standing heights to meet the requirements of different operating heights, which is very inconvenient. Different experiments have different space requirements, and it is necessary to change the arrangement of the experimental bench in the laboratory. The weight of the experimental bench is usually very heavy, and the moving process is very laborious, and there is a hidden danger of damage to the pharmaceutical reagents and experimental devices on the experimental bench. Many precision instruments are placed on the test bench, and are usually not allowed to move casually. After placing the heavy experimental device on the test bench, it is very difficult to move the position. According to different experimental requirements and the limitations of the experimental operator's own reasons , the location of the experimental device may not be an appropriate distance, which is not conducive to the normal completion of the experiment process by the experimenter.

Contents of the invention

In order to solve the above-mentioned existing problems, the utility model discloses a movable table top variable lifting test bench, which can adjust the table size of the test bench according to the individual experiment operation habits of different experimenters and different experiments , to adjust the distance between the experimenter and the experimental device, change the height of the experimental table, and even move the experimental table easily and labor-savingly by pushing the experimental table, and rearrange the experimental table without transferring the pharmaceutical reagents and experimental devices on the experimental table to achieve more easy. the

The movable table top variable lifting test bench includes a table top and several table support rods for supporting the table top. The bottom ends are respectively provided with universal wheels, and each universal wheel is equipped with a braking device for controlling the rotation of the universal wheels;

One edge or a group of opposite edges of the table panel is respectively connected with a side panel through a hinge, and a folding mechanism is provided between the side panel and the platform pole. Respectively movably connect the table struts and side panels, and rotate and align the two folding pieces. After they are on the same straight line, the side panels and the table panel are horizontally aligned and spliced;

The opposite sides of the adjacent rod sleeves are provided with guide grooves, and guide pins are respectively arranged on all the support rods of the platform. The guide pins are located in the guide grooves, and the surface of the rod sleeves is provided with positioning pins. A rotating shaft is arranged between the grooves, the rotating shaft is located between the positioning pin and the guide pin, and the end of the rotating shaft is connected with a flexible transmission part, and the flexible transmission part is connected with the positioning pin and the guiding pin at the same time.

The braking device includes nuts and bolts, the nuts are fixed on one side of the universal wheel, and the bolts are threaded on the nuts.

The poles of the platform and the pole sleeves are arranged in pairs, the pole sleeves and the pole sleeves on one side form a group, and a rotating shaft is arranged between each group of pole sleeves.

Both ends of the rotating shaft are provided with side handles, and the side handles are welded to a middle handle through welding rods. When the middle handle is rotated, the rotating shaft rotates, and the flexible transmission parts are wound around the two ends of the rotating shaft to change the distance between the positioning pin and the guide pin. Elevator panel.

The side handle is provided with pin shafts, and the rod sleeve is provided with a row of pin holes distributed up and down, and the pin shafts are inserted in the pin holes.

There is a rotatable connection between the pin shaft and the side handle, and the pin shaft rotates into the pin hole or rotates out of the pin hole.

The adjacent rod sleeves are provided with connecting rods, and the fixed position of the connecting rods and the rod sleeves is located below the guide groove.

The utility model pushes the table panel, the universal wheel rotates on the ground, and the test bench moves as a whole, and the mobile test bench is easy and labor-saving. After moving to the predetermined position, the universal wheel is fixed by the braking device so that it cannot rotate, and the test bench It will be positioned at the predetermined position, will not move randomly, and the test bench can be used normally.

Rotate and align the two folded pieces, the side panels are supported and spliced horizontally with the table top, and the table area of the test bench increases. The side board rotates downward around the hinge, and finally is perpendicular to the table top, and the table top of the laboratory table is reduced.

Turn the middle handle to drive the side handles at both ends of the rotating shaft to rotate. The flexible transmission part is wound by the rotating shaft. When the rotating shaft rotates forward, the flexible transmission part is wound on the rotating shaft. When the top rises, the table top rises to the desired height, and the pin shaft on the side handle is screwed into the pin hole at the corresponding position. The position of the rotating shaft and the table support rod is fixed, and the height will not change. When the height of the test bench needs to be lowered, the pin shaft is rotated out of the pin hole, the middle handle is rotated in the direction, the rotating shaft is rotated to loosen the flexible transmission part, the support rod of the table is extended into the rod sleeve, the table panel is lowered to the expected height, and then Screw the pin shaft into the pin hole to fix the height.

In the utility model, one test bench can satisfy different changes in many aspects, more experiments can be completed on one test bench, and the application range is wider.

Description of drawings

Fig. 1 is the front view structural representation of the utility model,

Figure 2 is a side view (direction A) structural schematic diagram of Figure 1,

Fig. 3 is a schematic diagram of the connecting structure of the utility model platform pole and the pole sleeve,

Fig. 4 is the enlarged schematic view of the universal wheel braking device of the present invention,

List of reference signs: 1—desk panel, 2—support rod, 3—rod cover, 4—universal wheel, 5—braking device, 6—hinge, 7—side panel, 8—folding sheet, 9— Guide groove, 10—guide pin, 11—location pin, 12—rotating shaft, 13—flexible transmission member, 14—side handle, 15—welding rod, 16—middle handle, 17—pin shaft, 18—pin hole, 19— Connecting rod, 20—nut, 21—bolt.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, further illustrate the utility model. It should be understood that the following specific embodiments are only used to illustrate the utility model but not to limit the scope of the utility model.

Fig. 1 is a schematic view of the front view of the utility model, in which the side panel 7 is in a lowered state and is perpendicular to the table panel 1. It can be seen from the figure that the side panels 7 are connected to both sides of the table panel 1 by the hinges 6, and there is a folding structure between the side panels 7 and the table poles 2, and the two hinged folding pieces 8 are at an acute angle. Rotate the side panel 7 up until it is horizontally spliced with the table panel 1, and the two folded pieces 8 are aligned on the same straight line. An enlarged laboratory table top that can bear weight. The size of the table top of the experimental bench can be adjusted and transformed.

The lower end of the platform pole 2 is inserted in the pole sleeve 3, and a connecting rod 19 is arranged between adjacent pole sleeves 3. Wheel 4 is placed on the ground. By rolling the universal wheel 4, the test bench can be pushed in any direction, the position movement of the test bench is more labor-saving, and the translation of the test bench does not affect the pharmaceutical reagents or experimental instruments on the test bench.

1 and 3, it can be seen that a guide groove 9 is provided on the opposite side of the rod sleeve 3, and a guide pin 10 is provided on the table support rod 2 inserted in the guide groove 9, and a positioning pin is provided on the surface of the rod sleeve 3 vertically above the guide pin 10. The pin 11 is provided with a rotating shaft 12 between the relative guide groove 9, and the two ends of the rotating shaft 12 are respectively connected between the positioning pin 11 and the guide pin 10 through the flexible transmission member 13, the rotating shaft 12 rotates clockwise, and the flexible transmission member 13 moves toward Winding on the rotating shaft 12, the guide pin 10 moves upward, the table top 1 rises, and the rotating shaft 12 is rotated counterclockwise, the flexible transmission parts 13 at both ends of the rotating shaft 12 are gradually loosened, the guide pin 10 moves downward, and the height of the table top 1 is lowered. The height of the table top 1 of the test bench is easily controlled.

1 and 2, it can be seen that the two ends of the rotating shaft 12 are provided with side handles 7, and the side handles 7 are welded to an intermediate handle 16 through the welding rod 15. When the intermediate handle 16 is rotated, the rotating shaft 12 rotates, and the flexible transmission member 13 is on the rotating shaft 12. The two ends are wound or loosened, the distance between the positioning pin 11 and the guide pin 10 is changed, and the platform panel 1 is lifted.

The side handle 14 is provided with a pin shaft 17, and the rod sleeve 3 is provided with a row of pin holes 18 distributed up and down. The pin shaft 17 and the side handle 14 are rotatably connected, and the pin shaft 17 is rotated and screwed into the pin hole 18. The height of the table top 1 is fixed; the pin shaft 17 rotates out of the pin hole 18, and the rotating shaft 12 can be rotated to raise or lower to adjust the height of the table top 1.

As can be seen from accompanying drawing 4, braking device 5 is installed in the off-center position of universal wheel 4, and braking device 5 comprises the nut 20 that is fixed on the universal wheel 4, and bolt 21 is threaded in nut 20, and bolt 21 passes through nut. 20 are screwed in, and the bolt 21 is extended and inserted through the universal wheel 4, which effectively limits the rotation of the universal wheel 4 and plays a role in braking.

Flexible transmission part 13 among the utility model can select steel wire rope for use.

The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of any combination of the above technical features.

Claims (8)

1. A movable table top variable lifting test bench, including a table top (1) and a number of table struts (2) for supporting the table top (1), the feature is that each of the table struts (2) The lower ends of the rod sleeves (3) are respectively inserted in the rod sleeves (3), and the bottom ends of each rod sleeve (3) are respectively provided with universal wheels (4), and each universal wheel (4) is equipped with a universal wheel (4) for controlling ) rotating braking device (5); One edge or a group of opposite edges of the table panel (1) is respectively connected with a side panel (7) through a hinge (6), and a folding mechanism is provided between the side panel (7) and the table support rod (2). The mechanism includes two foldable pieces (8) that are movable and hinged. The two ends of the folding mechanism are respectively movably connected to the pole (2) and the side panel (7). The two foldable pieces (8) are rotated and aligned. , the side panel (7) is horizontally aligned with the table panel (1) for splicing; The adjacent rod sleeves (3) are provided with guide grooves (9) on opposite sides, and guide pins (10) are respectively provided on all the support rods (2), and the guide pins (10) are located in the guide grooves (9). There is a positioning pin (11) on the surface of the rod sleeve (3), and the positioning pin (11) is located vertically above the guide groove (9). A rotating shaft (12) is arranged between the guiding grooves (9), and the rotating shaft (12) is located Between (11) and the guide pin (9), a flexible transmission part (13) is connected to the end of the rotating shaft (12), and the flexible transmission part (13) is connected to the positioning pin (11) and the guide pin (9) at the same time. 2. The movable platform variable lifting test bench according to claim 1, characterized in that the braking device (5) includes nuts (20) and bolts (21), and the nuts (20) are fixed on the universal On one side of the wheel (4), the bolt (21) is threadedly fixed on the nut (20). 3. The movable table top variable lifting test bench according to claim 1, characterized in that the table support rod (2) and the rod sleeve (3) are arranged in pairs, and the rod sleeve (3) and the side of the rod sleeve (3) The rod sleeves (3) form a group, and a rotating shaft (12) is arranged between each group of rod sleeves (3). 4. The movable platform variable lifting test bench according to claim 3, characterized in that both ends of the rotating shaft (12) are provided with side handles (14), and the side handles (14) are passed through the welding rod (15) ) is welded to an intermediate handle (16), rotate the intermediate handle (16), the rotating shaft (12) rotates, the flexible transmission member (13) is wound around both ends of the rotating shaft (12), and the positioning pin (11) and guide pin (9 ), the distance between the lifting platform panel (1). 5. The movable platform variable lifting test bench according to claim 4, characterized in that the side handle (14) is provided with a pin shaft (17), and the rod sleeve (3) is provided with vertically distributed A row of pin holes (18), pin shafts (17) are inserted in the pin holes (18). 6. The movable table top variable lifting test bench according to claim 5, characterized in that the pin shaft (17) is rotatably connected to the side handle (14), and the pin shaft (17) rotates into the pin hole (18), or rotate out of the pin hole (18). 7. The movable table top variable lifting test bench according to claim 1, characterized in that the adjacent rod sleeves (3) are provided with connecting rods (19), and the connecting rods (19) and the rod sleeves ( 3) The fixed position is located under the guide groove (9). 8. The movable table top variable lifting test bench according to any one of claims 1 to 7, characterized in that the flexible transmission member (13) is a steel wire rope.