CN211800986U

CN211800986U - Garrulous student's test-tube rack takes precautions against earthquakes

Info

Publication number: CN211800986U
Application number: CN201920296524.8U
Authority: CN
Inventors: 牟怡安
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-09
Filing date: 2019-03-09
Publication date: 2020-10-30
Anticipated expiration: 2029-03-09

Abstract

The utility model belongs to the technical field of student's experimental apparatus technique and specifically relates to a garrulous student's test-tube rack takes precautions against earthquakes, including lower plate, upper plate, fixed plate and backup pad, the rigid coupling has many spinal branchs vaulting pole on the lower plate, and the bracing piece has cup jointed buffer spring outward, upper plate up end front rigid coupling has many solid fixed cylinder, and solid fixed cylinder upper portion threaded connection has fixed inserted bar, fixed inserted bar upper portion is hemispherical, and its top left and right sides rigid coupling has two flexure strips towards oblique below, two telescopic link A upper end rigid coupling connecting rods, both ends about the lower extreme rigid coupling backup pad, be equipped with the fixed orifices that number and solid fixed cylinder suited on the fixed plate, have arc splint through the supporting spring rigid coupling on the. The utility model has the advantages of reasonable design, buffer spring can alleviate the test tube damage that causes because of vibrations, and can not topple over because the device is touched when getting the test tube, and fixed inserted bar and backup pad all can make the adjustment in order to place the test tube of different length and different thicknesses, and the commonality is strong.

Description

Garrulous student's test-tube rack takes precautions against earthquakes

Technical Field

The utility model belongs to the technical field of student's experiment apparatus technique and specifically relates to a garrulous student's test-tube rack takes precautions against earthquakes.

Background

The test-tube rack is the most basic laboratory apparatus in the chemistry experiment room that is used for placing, dries the test-tube, in order to improve student's chemistry and physics study's enthusiasm, and school often organizes student's oneself and carries out the experiment with the hands, therefore often will use the test-tube rack. Common test-tube rack simple structure, the student can take place sometimes that the test-tube rack rocks or emptys when taking the test-tube rack for the test tube damage that glass made. For solving this problem, in the chinese utility model patent that publication number is CN207805678U, a stability support through the support stabilizer bottom that constitutes by numerous damping spring has been published for student's laboratory is with preventing falling the shock attenuation and has been stabilized the test-tube rack, prevents to place the utility model discloses an it damages to receive the shock in removal and use to test tube the utility model discloses a stability increases. However, the current test tubes have different specifications, sizes and thicknesses, and the device cannot automatically adjust the size of the socket of the test tube rack according to the test tubes with different thicknesses, and cannot place test tubes with different lengths, so that further improvement is needed.

In summary, the technical problem to be solved by the technical solution is: the traditional test tube rack has poor stability, and the test tube rack is easy to turn over or damage test tubes due to vibration during transportation; the size of test-tube rack socket can not be adjusted according to the test tube of different thicknesses automatically, also can not place the test tube of different length, and the commonality is poor.

Disclosure of Invention

The utility model aims at overcoming above-mentioned technical shortcoming and providing a garrulous student's test-tube rack takes precautions against earthquakes, and buffer spring can alleviate the test tube damage that causes because of vibrations, and can not topple over because the device is touched when getting the test tube, and fixed inserted bar and backup pad all can make the adjustment in order to place the test tube of different length and different thicknesses, and the commonality is strong.

The utility model provides a technical scheme that technical problem adopted does: a shockproof and breaking student test tube rack comprises a lower base plate, an upper base plate, a fixing plate and a supporting plate, wherein a sucker frame is fixedly connected to the lower end face of the lower base plate, a plurality of suckers are fixedly connected to the lower end face of the sucker frame so as to fix the device on a desktop, a plurality of supporting rods are fixedly connected to the upper end face of the lower base plate, the supporting rods are of a telescopic structure, buffer springs are sleeved outside the supporting rods, the upper end faces of the supporting rods are fixedly connected to the lower end face of the upper base plate, a damping mechanism consisting of the supporting rods and the buffer springs can reduce the transmission of external vibration to test tubes placed on the device, so that the damage of the test tubes caused by vibration during carrying and moving of the test tube rack is reduced, a plurality of fixing tubes are fixedly connected to the front portion of the upper end face of the upper base plate, fixing insertion rods are in threaded connection with the upper portions, the test tube is inversely placed and inserted on the fixed inserted rod, the support force of the elastic sheet can be utilized to more stably sleeve the test tube on the fixed inserted rod, the test tube is prevented from being separated from the fixed inserted rod due to external vibration, simultaneously, the support force of the elastic sheet can reduce the influence of the external vibration on the test tube sleeved outside as much as possible, the fixed inserted rod is rotated to change the relative height between the fixed inserted rod and the fixed cylinder, so that the test tubes with different lengths can be placed, the elasticity of the elastic sheet can also enable the test tube to be suitable for test tubes with different thicknesses, two support columns are fixed on the left side and the right side of the rear part of the upper end surface of the upper bottom plate, connecting rods are inserted on the upper parts of the support columns, the outward end of each connecting rod is fixedly connected with a limit block, the inward end of each connecting rod is fixedly connected with the left end and the right end, the bottom ends of two telescopic rods A are fixedly connected with the left end and the right end of the supporting plate respectively, the fixing plate is provided with fixing holes the number of which is matched with that of the fixing cylinders, the inner wall of each fixing hole is fixedly connected with four spring shafts B, supporting springs are sleeved outside the spring shafts B, the spring shafts B are fixedly connected with arc-shaped clamping plates towards the center ends of the fixing holes, corresponding grooves are arranged under the fixing holes on the upper end surface of the supporting plate, test tubes are inserted along the fixing holes, the bottom ends of the test tubes are arranged in the grooves, the arc-shaped clamping plates can clamp the test tubes by the supporting force of the supporting springs on the arc-shaped clamping plates, the test tubes with different thicknesses can be placed, the distance between the supporting plate and the fixing plate can be changed by adjusting the length of the two telescopic rods A and fixing the two telescopic rods through fastening knobs, the test tubes with different lengths can be placed, the length, and can the connecting rod rotate as the axle center, when getting and putting the test tube, but the structure of placing the test tube that constitutes by backup pad and fixed plate swing from beginning to end, and can not cause because the device is touched and emptys.

Furthermore, the upper end face of the upper base plate is fixedly connected with a sponge washer outside the fixed cylinder to play a role in buffering, and the test tube inserted on the fixed insertion rod is prevented from colliding with the upper base plate to cause damage.

Further, the arc splint inboard a side end face rigid coupling has the rubber slipmat, has not only strengthened the frictional force when cliping the test tube, can play certain cushioning effect simultaneously, prevents that the test tube atress is broken.

The utility model discloses the beneficial effect who has is:

1. the damping mechanism composed of the supporting rod and the buffer spring can reduce the transmission of external vibration to the test tubes placed on the device, thereby reducing the damage of the test tubes caused by vibration when the test tube rack is carried and moved; when the test tube is inserted on the fixed insertion rod, the supporting force of the elastic sheet can reduce the influence of external vibration on the test tube sleeved outside as much as possible; when the test tube is clamped in the fixing hole, the structure for placing the test tube, which is formed by the supporting plate and the fixing plate, is always suspended and can rotate by taking the connecting rod as an axis, and when the test tube is taken and placed, the structure for placing the test tube, which is formed by the supporting plate and the fixing plate, can swing back and forth, so that the device cannot topple due to touch;

2. the relative height between the fixed inserted bar and the fixed cylinder can be changed by rotating the fixed inserted bar, so that test tubes with different lengths can be placed, and the elasticity of the elastic piece can be suitable for test tubes with different thicknesses; insert the test tube along the fixed orifices, in the recess was arranged in to the bottom, supporting spring made the arc splint can press from both sides tight test tube to the holding power of arc splint to can place the test tube of different thickness, adjust two telescopic link A's length and fixed through the fastening knob, can change the distance between backup pad and the fixed plate, thereby can place the test tube of different length, solved the poor problem of traditional test-tube rack commonality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Figure 2 is the utility model discloses a structural schematic of lower plate up end.

Figure 3 is the utility model discloses a structural schematic of terminal surface under the lower plate.

Fig. 4 is a top view of the fixing hole of the present invention.

Detailed Description

The present invention will be described in detail below with reference to fig. 1 to 4.

As shown in figures 1-4, the utility model comprises a lower plate 1, an upper plate 4, a fixing plate 12 and a supporting plate 15, wherein the end face of the lower plate 1 is fixedly connected with a sucker rack 19, the end face of the sucker rack 19 is fixedly connected with a plurality of suckers 7 so as to fix the device on a table, the upper end face of the lower plate 1 is fixedly connected with a plurality of supporting rods 2, the supporting rods 2 are telescopic structures, the buffer springs 3 are sleeved outside the supporting rods 2, the upper end face of the supporting rods 2 is fixedly connected with the lower end face of the upper plate 4, a damping mechanism consisting of the supporting rods 2 and the buffer springs 3 can reduce the transmission of external vibration to test tubes placed on the device, thereby reducing the damage of the test tubes caused by vibration when the test tube rack is transported and moved, the front part of the upper end face of the upper plate 4 is fixedly connected with a plurality of fixing cylinders 5, the upper parts of the fixing cylinders 5 are in threaded, two elastic pieces 8 facing obliquely downward are fixedly connected to the left and right sides of the top end of the test tube, the test tube is inversely inserted and connected onto the fixed insertion rod 6, the test tube can be more stably sleeved on the fixed insertion rod 6 by utilizing the supporting force of the elastic pieces 8, the test tube is prevented from being separated from the fixed insertion rod 6 due to external vibration, meanwhile, the supporting force of the elastic pieces 8 can reduce the influence of the external vibration on the test tube sleeved outside as much as possible, the fixed insertion rod 6 is rotated, the relative height between the fixed insertion rod 6 and the fixed cylinder 5 can be changed, so that test tubes with different lengths can be placed, the elasticity of the elastic pieces 8 can also make the test tube suitable for test tubes with different thicknesses, two supporting columns 9 are fixed to the left and right sides of the rear part of the upper end face of the upper base plate 4, connecting rods 10 are inserted and connected to the upper parts of the supporting columns 9, the outward ends of the connecting rods 10 are fixedly, the lower end of the connecting rod 10 is fixedly connected with a telescopic rod A13, the telescopic rod A13 is provided with corresponding fastening knobs 14, the bottom ends of two telescopic rods A13 are fixedly connected with the left end and the right end of the supporting plate 15 respectively, the fixing plate 12 is provided with fixing holes 12-1 the number of which is matched with that of the fixing cylinders, the inner wall of the fixing hole 12-1 is fixedly connected with four spring shafts B16, the spring shaft B16 is externally sleeved with a supporting spring 17, one end of the spring shaft B16, which faces the center of the fixing hole 12-1, is fixedly connected with an arc-shaped clamping plate 18, a corresponding groove 15-1 is arranged under the fixing hole 12-1 on the upper end surface of the supporting plate 15, a test tube is inserted along the fixing hole 12-1, the bottom end of the test tube is arranged in the groove 15-1, the supporting force of the supporting spring 17 on the arc-shaped clamping plate 18 enables the arc-shaped clamping, can change the distance between backup pad 15 and fixed plate 12 to can place the test tube of different length, bracing piece 9 length is greater than the distance of connecting rod 10 central line to backup pad 15 preceding lower extreme, so that the structure of placing the test tube that constitutes by backup pad 15 and fixed plate 12 remains unsettled throughout, and can rotate for the axle center connecting rod 10, when getting the test tube, but the structure of placing the test tube that constitutes by backup pad 15 and fixed plate 12 can swing back and forth, and can not cause because the device is touched and emptys

In this embodiment, the upper end surface of the upper base plate 4 is fixedly connected with a sponge washer 20 outside the fixing cylinder 5 to play a role of buffering, so as to prevent the test tube inserted on the fixing insertion rod 6 from colliding with the upper base plate 4 and being damaged.

In this embodiment, arc splint 18 inboard one side terminal surface rigid coupling has rubber slipmat 21, has not only strengthened the frictional force when cliping the test tube, can play certain cushioning effect simultaneously, prevents that the test tube atress is broken.

When the utility model is used, the damping mechanism composed of the support rod 2 and the buffer spring 3 can reduce the transmission of external vibration to the test tube placed on the device, thereby reducing the damage of the test tube caused by vibration when the test tube rack is carried and moved; when the test tube is inserted on the fixed insertion rod 6, the supporting force of the elastic sheet 8 can reduce the influence of external vibration on the test tube sleeved outside as much as possible; when the test tube is clamped in the fixing hole 12-1, the structure for placing the test tube, which is formed by the supporting plate 15 and the fixing plate 12, is always suspended and can rotate by taking the connecting rod 10 as an axis, and when the test tube is taken and placed, the structure for placing the test tube, which is formed by the supporting plate 15 and the fixing plate 12, can swing back and forth without falling down due to the fact that the device is touched; the relative height between the fixed inserted rod 6 and the fixed cylinder 5 can be changed by rotating the fixed inserted rod 6, so that test tubes with different lengths can be placed, and the elasticity of the elastic piece 8 enables the test tube to be suitable for test tubes with different thicknesses; insert the test tube along fixed orifices 12-1, in recess 15-1 was arranged in to the bottom, supporting spring 17 made arc splint 18 can press from both sides tight test tube to the holding power of arc splint 18 to can place the test tube of different thicknesses, adjust the length of two telescopic links A13 and fixed through fastening knob 14, can change the distance between backup pad 15 and the fixed plate 12, thereby can place the test tube of different lengths, solved the poor problem of traditional test-tube rack commonality.

Claims

1. The utility model provides a garrulous student's test-tube rack takes precautions against earthquakes, includes lower plate, upper plate, fixed plate and backup pad, its characterized in that: the lower end face of the lower bottom plate is fixedly connected with a sucker frame, the lower end face of the sucker frame is fixedly connected with a plurality of suckers, the upper end face of the lower bottom plate is fixedly connected with a plurality of supporting rods, the supporting rods are of a telescopic structure, the outer parts of the supporting rods are sleeved with buffer springs, the upper end faces of the supporting rods are fixedly connected with the lower end face of the upper bottom plate, the front part of the upper end face of the upper bottom plate is fixedly connected with a plurality of fixing cylinders, the upper parts of the fixing cylinders are in threaded connection with fixing insertion rods, the upper parts of the fixing insertion rods are hemispherical, the left side and the right side of the top ends of the fixing insertion rods are fixedly connected with two elastic sheets which face obliquely downwards, the left side and the right side of the rear part of the upper end face of the upper bottom plate are fixedly connected with two limiting blocks, the left end and the right end of the fixing plate are, the fixed plate is provided with fixing holes, the number of the fixing holes is matched with that of the fixing cylinders, four spring shafts B are fixedly connected to the inner wall of each fixing hole, supporting springs are sleeved outside the spring shafts B, arc-shaped clamping plates are fixedly connected to the spring shafts B towards one end of the center of each fixing hole, corresponding grooves are formed in the upper end face of each supporting plate under the corresponding fixing holes, and the length of each supporting rod is larger than the distance from the center line of each connecting rod to the front lower end of each supporting plate.

2. A shakeproof student test tube rack according to claim 1, characterized in that: and the upper end surface of the upper bottom plate is fixedly connected with a sponge gasket outside the fixed cylinder.

3. A shakeproof student test tube rack according to claim 1, characterized in that: the inward side end face of the arc-shaped clamping plate is fixedly connected with a rubber anti-slip pad.