CN221016166U - Laboratory safety training is with test-tube rack - Google Patents

Abstract

The utility model discloses a test tube rack for laboratory safety training, which comprises a bottom plate and a rotating frame, wherein four groups of fixing structures are respectively arranged at four corners of the bottom plate, supporting columns are respectively arranged at two sides of the top of the bottom plate, the middle of the two supporting columns is movably connected with the rotating frame, two groups of limiting structures are respectively arranged at one opposite side of the tops of the two supporting columns, rotating grooves are respectively arranged at the bottom ends of the interiors of the two placing grooves, a plurality of equidistant through grooves are respectively arranged at the top ends of the interiors of the rotating frame, protective sleeves are respectively arranged between the empty grooves and the through grooves, and four groups of clamping structures are respectively arranged at the tops of the fixing blocks. According to the utility model, through the cooperation of the rotating frame, the rotating shaft II, the rotating groove and the semicircular limiting plate, an experimenter can shake the test tube without manually shaking one by one or assisting other equipment, so that the complexity and time consumption of an experiment are greatly reduced, the working efficiency of the experimenter is also increased, the burst of the test tube caused by improper operation of a new experimenter is effectively avoided through the protective sleeve, and the safety of the experiment is greatly improved.

Description

Laboratory safety training is with test-tube rack

Technical Field

The utility model relates to the technical field of laboratory tools, in particular to a test tube rack for laboratory safety training.

Background

The test tube rack is a most basic laboratory instrument of a chemical laboratory for placing (sometimes placing a test tube on the test tube rack to observe the phenomenon of a certain experiment) and shaking the test tube, the test tube is used as a glassware notice test tube for containing chemical solution or enabling a small amount of chemical reagent to generate chemical reaction under the condition of normal temperature or heating, the test tube can be directly heated on an alcohol lamp, the bottom of the test tube is inclined at forty-five degrees during heating, and the test tube is slightly shaken during heating by using the outer flame of the alcohol lamp.

The utility model discloses a laboratory test-tube rack of number CN219129350U, in firm frame, firm piece, joint groove's joint is under, the upper end joint of cotton swab is in the joint groove of firm piece, be convenient for fix the tail end of cotton swab, the cotton swab slope has been improved greatly, be inconvenient for fixed problem, the in-process of sliding in, the cotton swab slides to the lower part of joint groove along wavy joint groove, take place rotatoryly, and then the integration effect of cotton swab head and sampling bottle has been increased, firm frame transverse mounting is in the top of second layer frame, be convenient for lean on to whole row cotton swab, adjacent cotton swab leans on different firm pieces respectively, facilitate the resolution adjacent cotton swab, facilitate the use, under the cooperation of first connecting rod, the second connecting rod, the slider and spout, first connecting rod and second connecting rod not only possess the effect of support, the effect of adjusting, first connecting rod, the angle between the second connecting rod changes promptly, the degree of depth of placement of test-tube is adjustable, place the depth adjustment back, can place the low difference, the wide range, the application range has increased, the tooth socket is convenient for use, the test tube can be fixed along the second circumference, the tooth profile is fixed to the tooth, the tooth is fixed to the second, the tooth is fixed to the tooth is adjacent tooth, the tooth is fixed to the second, the tooth is used after the test tube has been rotated to the second, the tooth is fixed to the tooth is used to the tip is rotated to the tooth is rotated to the opposite to the tip, and has the tooth is used to the tooth is used to the test-down. In addition, the existing test tube rack has the following defects in use:

(1) The existing test tube rack cannot shake the test tube, so that workers can shake the test tube to promote mixing and reaction only by manual operation or the assistance of other equipment, the complexity and time consumption of experiments are greatly increased, and the working efficiency of the workers is reduced;

(2) The existing test tube rack is not provided with a protective sleeve, and because laboratory novice is easy to burst a test tube due to improper operation during experiments, the skin of an experimenter is easily scratched by rapid glass, so that the personal safety of the experimenter cannot be ensured.

Disclosure of utility model

The utility model aims to overcome the technical defects and provide the test tube rack for laboratory safety training.

In order to solve the problems, the technical scheme of the utility model is as follows: including bottom plate and rotating turret, four fixed knot constructs of bottom four corners difference fixed connection of bottom plate, the top both sides of bottom plate are fixed connection support column respectively, two the centre swing joint rotating turret of support column, two the top of support column is equipped with the standing groove respectively, two the top of support column is equipped with two sets of limit structures on one side of being on the back respectively, two the inside bottom of standing groove is equipped with the rotating groove, the inside top of rotating turret is equipped with the logical groove of a plurality of equidistance, the inside bottom of rotating turret is equipped with the empty slot of a plurality of equidistance, a plurality of be equipped with the lag respectively in the middle of empty slot and the logical groove, a plurality of the both sides of lag are equipped with the observation window respectively, the both sides top of rotating turret is fixed connection axis of rotation two the one end swing joint retaining ring of rotating turret is kept away from to the axis of rotation two the bottom fixed connection fixed block of leading to the groove, a plurality of the top of fixed block is equipped with four sets of clamping structures respectively.

Further, every group limit structure includes axis of rotation one, baffle, insertion groove, bolt, telescopic link, spring two and semicircle limiting plate, top one side of standing groove is equipped with axis of rotation one, and the opposite side is equipped with the insertion groove, the one end swing joint support column of axis of rotation one, other end swing joint baffle, the one end swing joint bolt of axis of rotation one is kept away from to the baffle, the bottom fixed connection telescopic link of baffle, the bottom fixed connection semicircle limiting plate of telescopic link, the outer wall of telescopic link cup joints spring two.

Further, one ends of the two connecting air pipes are inserted into the top of the fixed inner shell, and the other ends of the two connecting air pipes are inserted into the top of the sucker.

Further, every group fixed knot constructs including fixed shell, fixed inner shell, boss, spring one, T shape post, sucking disc and connection trachea, fixed shell bottom fixed connection sucking disc, the inside of fixed shell is equipped with fixed inner shell, the inside bottom fixed connection boss of fixed inner shell, spring one is cup jointed at the top of boss, the top fixed connection T shape post of spring one, the top of T shape post passes fixed inner shell and fixed outer shell and bottom plate fixed connection respectively in proper order, the both sides of fixed inner shell are equipped with the connection trachea respectively.

Further, a second through hole is formed in the middle of the fixing blocks, the outer wall of the top of the protecting sleeve is fixedly connected with the inner wall of the second through hole, and the outer wall of the bottom of the protecting sleeve is fixedly connected with the inner wall of the empty groove.

Further, every group the clamping structure includes axis of rotation three, clamping plate, spring three and slipmat, the bottom swing joint fixed block of axis of rotation three, the one end of clamping plate articulates axis of rotation three, other end one side fixed connection spring three, the clamping plate is kept away from the one side fixed connection slipmat of spring three.

Further, one end of the baffle, which is far away from the first rotating shaft, is provided with a first through hole, the bottom end of the bolt penetrates through the first through hole and is connected with the through groove in an adaptive manner, and the inner wall of the bottom of the semicircular limiting plate abuts against the outer wall of the second rotating shaft.

Compared with the prior art, the utility model has the advantages that:

1. According to the test tube rack for laboratory safety training, through the cooperation of the rotating frame, the rotating shaft II, the rotating groove and the semicircular limiting plate, an experimenter can shake the test tube without manually shaking one by one or with the assistance of other equipment, so that the complexity and time consumption of experiments are greatly reduced, and the working efficiency of the experimenter is increased;

2. The utility model provides a test tube rack for laboratory safety training, which effectively avoids burst of test tubes caused by improper operation of new laboratory workers through a protective sleeve, thereby ensuring personal safety of the laboratory workers, greatly increasing safety of the laboratory, and clearly observing mixing and reaction conditions of substances in the test tubes through an observation window.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a bottom enlarged view at a in fig. 1.

Fig. 3 is an enlarged view of the internal structure at B in fig. 1.

Fig. 4 is a top cross-sectional view of the interior of the through slot of fig. 1.

As shown in the figure: 1. a bottom plate; 2. a fixed structure; 201. a fixed housing; 202. fixing the inner shell; 203. a boss; 204. a first spring; 205. a T-shaped column; 206. a suction cup; 207. connecting an air pipe; 3. a support column; 4. a placement groove; 5. a rotating groove; 6. a limit structure; 601. a first rotating shaft; 602. a baffle; 603. an insertion groove; 604. a first through hole; 605. a plug pin; 606. a telescopic rod; 607. a second spring; 608. a semicircular limiting plate; 7. a rotating frame; 8. a through groove; 9. a protective sleeve; 10. a hollow groove; 11. an observation window; 12. a second rotating shaft; 13. a retainer ring; 14. a fixed block; 15. a clamping structure; 1501. a third rotating shaft; 1502. a clamping plate; 1503. a third spring; 1504. an anti-slip pad; 16. and a second through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 and 2, the device comprises a bottom plate 1 and a rotating frame 7, four groups of fixed structures 2 are respectively and fixedly connected to four corners of the bottom plate 1, supporting columns 3 are respectively and fixedly connected to two sides of the top of the bottom plate 1, the rotating frame 7 is movably connected between the two supporting columns 3, the tops of the two supporting columns 3 are respectively provided with a placing groove 4, two groups of limiting structures 6 are respectively arranged on opposite sides of the tops of the two supporting columns 3, rotating grooves 5 are arranged at the inner bottom ends of the two placing grooves 4, a plurality of equidistant through grooves 8 are arranged at the inner top ends of the rotating frame 7, a plurality of equidistant empty grooves 10 are arranged at the inner bottom ends of the rotating frame 7, a protective sleeve 9 is respectively arranged between the plurality of empty grooves 10 and the through grooves 8, the two sides of the protective sleeves 9 are respectively provided with an observation window 11, the tops of the two sides of the rotating frame 7 are respectively fixedly connected with a second rotating shaft 12, one end of the two rotating shafts 12, which is far away from the rotating frame 7, is movably connected with a check ring 13, the bottoms of the through grooves 8 are fixedly connected with fixed blocks 14, the tops of the fixed blocks 14 are respectively provided with four groups of clamping structures 15, the middle of the fixed blocks 14 is provided with a second through hole 16, the outer wall of the top of the protective sleeve 9 is fixedly connected with the inner wall of the second through hole 16, the outer wall of the bottom of the protective sleeve 9 is fixedly connected with the inner wall of the empty groove 10, the experimental new person is effectively prevented from bursting the test tube due to improper operation by the protective sleeve 9, thereby ensuring the personal safety of the experimental person, the safety of the experiment is greatly increased, the experimenter can clearly observe the mixing and reaction conditions of substances in the test tube through the observation window 11, the middle of the fixing blocks 14 is respectively provided with a through hole II 16, the outer wall of the top of the protecting sleeve 9 is fixedly connected with the inner wall of the through hole II 16, the outer wall of the bottom of the protecting sleeve 9 is fixedly connected with the inner wall of the empty slot 10, each group of limiting structures 6 comprises a rotating shaft I601, a baffle 602, an inserting slot 603, a bolt 605, a telescopic rod 606, a spring II 607 and a semicircular limiting plate 608, as shown in figure 1, one side of the top of the placing slot 4 is provided with the rotating shaft I601, the other side is provided with the inserting slot 603, one end bearing of the first rotating shaft 601 is connected with the support column 3, the other end bearing is connected with the baffle 602, one end of the baffle 602 away from the first rotating shaft 601 is provided with a plug pin 605 which can be pulled out, the bottom of the baffle 602 is fixedly connected with a telescopic rod 606, the bottom of the telescopic rod 606 is fixedly connected with a semicircular limiting plate 608, the outer wall of the telescopic rod 606 is sleeved with a second spring 607, one end of the baffle 602 away from the first rotating shaft 601 is provided with a first through hole 604, the bottom end of the plug pin 605 passes through the first through hole 604 and is connected with a through groove 8 in an adapting way, the inner wall of the bottom of the semicircular limiting plate 608 is abutted against the outer wall of the second rotating shaft 12, and the second through a rotating frame 7, The second rotating shaft 12, the rotating groove 5 and the semicircular limiting plate 608 are matched, an experimenter does not need to manually shake or assist other equipment to shake the test tube one by one, so that the complexity and time consumption of experiments are greatly reduced, the working efficiency of experimenters is also improved, the radius of the two retaining rings 13 is far greater than the distance from the baffle 602 to the second rotating shaft 12 through the matching of the limiting structure 6, the placing groove 4 and the retaining rings 13, one side of the two retaining rings 13 close to the baffle 602 is abutted against the baffle 602, the horizontal displacement of the second rotating shaft 12 is effectively prevented, the bolt 605 is matched with the inserting groove 603, the bottom of bolt 605 and the inner wall of inserting groove 603 have certain damping to prevent that bolt 605 from rocking out, can easily dismantle with install rotating frame 7, effectively avoid rotating frame 7 to take place the dislocation at the in-process that rocks, and then break away from standing groove 4.

As shown in fig. 3, each set of fixing structure 2 comprises a fixing outer shell 201, a fixing inner shell 202, a boss 203, a first spring 204, a T-shaped column 205, a sucking disc 206 and a connecting air pipe 207, wherein the bottom of the fixing outer shell 201 is fixedly connected with the sucking disc 206, the fixing inner shell 202 is arranged in the fixing outer shell 201, the bottom end of the fixing inner shell 202 is fixedly connected with the boss 203, the first spring 204 is sleeved on the top of the boss 203, the top of the first spring 204 is fixedly connected with the T-shaped column 205, the top of the T-shaped column 205 sequentially passes through the fixing inner shell 202 and the fixing outer shell 201 respectively and is fixedly connected with the bottom plate 1, two sides of the fixing inner shell 202 are respectively provided with the connecting air pipe 207, one end of each of the two connecting air pipes 207 is inserted into the top of the fixed inner shell 202, the other end of each of the two connecting air pipes 207 is inserted into the top of the sucker 206, air in the sucker 206 is extruded into the top of the fixed inner shell 202 through the weight of the rotating frame and the test tube, and then the T-shaped column 205 is extruded, so that the fixing of the utility model is completed, the utility model is effectively prevented from being bumped when external force is bumped, the test tube and experimental data are damaged, the stability of the utility model is greatly improved, and the air at the top of the fixed inner shell 202 is extruded back to the sucker 206 through the action of the utility model and the spring I204, so that the release of the fixed structure 2 is completed, the operation is simple, and the use is convenient.

As shown in fig. 4, each group of clamping structures 15 comprises a rotation shaft three 1501, a clamping plate 1502, a spring three 1503 and a non-slip mat 1504, wherein the bottom end of the rotation shaft three 1501 is movably connected with a fixing block 14, one end of the clamping plate 1502 is hinged with the rotation shaft three 1501, one side of the other end of the clamping plate 1502 is fixedly connected with the spring three 1503, one side of the clamping plate 1502, which is far away from the spring three 1503, is fixedly connected with the non-slip mat 1504, and the clamping areas of the clamping plates 1502 of the four groups of clamping structures 15 form a circle, so that the clamping structures are suitable for test tubes with different diameters, and effectively prevent the test tubes from being displaced and being in hard contact with the fixing block 14 when shaking, thereby ensuring the operation safety of the test tubes and avoiding the phenomenon of breaking the test tubes.

In specific use, refer to fig. 1-4, firstly, put the test tube into the inside of logical groove 8 in proper order respectively, make the bottom butt empty tank 10 bottom inner wall of test tube, through clamping plate 1502, third spring 1503, slipmat 1504 and lag 9's cooperation, thereby be applicable to the test tube of different diameters, effectively prevent the test tube and produce displacement and fixed block 14 rigid contact when rocking, thereby guarantee the operation safety of test tube, avoid the broken phenomenon of test tube, effectively avoid experimental new people to explode the rupture of test tube because of the improper operation through lag 9, greatly increased the security of experiment, observe the mixed and reaction condition of material in the test tube through observation window 11 experimenter can clear, then place two axis of rotation second 12 in the inside of rotary groove 5 respectively, rotating baffle 602 cooperates with insert groove 603 through bolt 605, the inner wall butt rotation axis second 12's outer wall, outer wall 13 at axis of second rotation baffle 12, through the cooperation of second spring retainer plate 13 and telescopic link 606, effectively alleviate the change in the process that the rotating frame 7 is shaking produces 607, effectively avoid experiment new people to explode the test tube because of improper operation to lead to burst through the lag 13 and the lag 7, thereby squeeze the top of the utility model to be fixed by the vibration of the inner shell 202 through vibration of vibration retainer plate 7 and extrusion cup joint 2, the top of this utility model is pressed down the inner shell 206, the fixed by the vibration of the inner shell 206 is pressed through the vibration of the vibration retainer plate 202, the top is fixed by the vibration of the utility model, the top of the utility model is fixed through the vibration of the vibration retainer plate 206 is pressed to the inner shell 206, the top of the utility model is fixed by the inner shell of the utility model is pressed by the vibration of the inner shell 202 is pressed through the vibration of the inner shell 202 is fixed, and the utility model is fixed by the inner shell of the utility model is fixed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (7)

1. Laboratory safety trains uses test-tube rack, its characterized in that: comprises a bottom plate (1) and a rotating frame (7), four groups of fixing structures (2) are respectively and fixedly connected with four corners of the bottom plate (1), the two sides of the top of the bottom plate (1) are respectively and fixedly connected with support columns (3), the middle of the two support columns (3) is movably connected with a rotating frame (7), the tops of the two support columns (3) are respectively provided with a placing groove (4), two groups of limiting structures (6) are respectively arranged on one side of the tops of the two support columns (3) opposite to each other, the inner bottom ends of the two placing grooves (4) are provided with rotating grooves (5), a plurality of equidistant through grooves (8) are arranged at the top end of the inside of the rotating frame (7), a plurality of equidistant empty slots (10) are arranged at the bottom end of the inside of the rotating frame (7), a plurality of protective sleeves (9) are respectively arranged between the empty slots (10) and the through slots (8), two sides of the protective sleeves (9) are respectively provided with an observation window (11), two side tops of rotating frame (7) are fixed connection axis of rotation two (12) respectively, two one end swing joint retaining ring (13) that rotating frame (7) were kept away from to axis of rotation two (12), a plurality of bottom fixed connection fixed block (14) of logical groove (8), a plurality of the top of fixed block (14) is equipped with four sets of clamp structure (15) respectively.

2. The laboratory security training test tube rack of claim 1, wherein: every group fixed knot constructs (2) including fixed shell (201), fixed inner shell (202), boss (203), first (204) of spring, T shape post (205), sucking disc (206) and connecting trachea (207), fixed shell (201) bottom fixed connection sucking disc (206), the inside of fixed shell (201) is equipped with fixed inner shell (202), inside bottom fixed connection boss (203) of fixed inner shell (202), first (204) of spring are cup jointed at the top of boss (203), the top fixed connection T shape post (205) of first (204) of spring, the top of T shape post (205) passes fixed inner shell (202) and fixed outer shell (201) and bottom plate (1) fixed connection respectively in proper order, the both sides of fixed inner shell (202) are equipped with connecting trachea (207) respectively.

3. The laboratory safety training test tube rack of claim 2, wherein: one end of each connecting air pipe (207) is inserted into the top of the fixed inner shell (202), and the other end is inserted into the top of the sucker (206).

4. The laboratory security training test tube rack of claim 1, wherein: every group limit structure (6) include axis of rotation one (601), baffle (602), insert groove (603), bolt (605), telescopic link (606), spring two (607) and semicircle limiting plate (608), top one side of standing groove (4) is equipped with axis of rotation one (601), and the opposite side is equipped with insert groove (603), one end swing joint support column (3) of axis of rotation one (601), other end swing joint baffle (602), one end swing joint bolt (605) of axis of rotation one (601) is kept away from to baffle (602), bottom fixed connection telescopic link (606) of baffle (602), bottom fixed connection semicircle limiting plate (608) of telescopic link (606), outer wall cup joint spring two (607) of telescopic link (606).

5. The laboratory security training test tube rack of claim 4, wherein: one end of the baffle (602) far away from the first rotating shaft (601) is provided with a first through hole (604), the bottom end of the bolt (605) penetrates through the first through hole (604) and is connected with the through groove (8) in an adaptive manner, and the inner wall of the bottom of the semicircular limiting plate (608) abuts against the outer wall of the second rotating shaft (12).

6. The laboratory security training test tube rack of claim 1, wherein: every group clamp structure (15) include axis of rotation three (1501), clamp plate (1502), spring three (1503) and slipmat (1504), the bottom swing joint fixed block (14) of axis of rotation three (1501), the one end of clamp plate (1502) articulates axis of rotation three (1501), other end one side fixed connection spring three (1503), one side fixed connection slipmat (1504) of spring three (1503) is kept away from to clamp plate (1502).

7. The laboratory security training test tube rack of claim 1, wherein: the middle of the fixing blocks (14) is provided with a second through hole (16), the outer wall of the top of the protecting sleeve (9) is fixedly connected with the inner wall of the second through hole (16), and the outer wall of the bottom of the protecting sleeve (9) is fixedly connected with the inner wall of the empty groove (10).