CN210544799U

CN210544799U - Test tube shaking device

Info

Publication number: CN210544799U
Application number: CN201921404431.9U
Authority: CN
Inventors: 郑哲元
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-19
Anticipated expiration: 2029-08-28

Abstract

The utility model provides a test tube shaking device which is suitable for chemical teaching experiments and has simple structure and convenient operation, comprising a bracket plate with a base, a test tube clamp assembly and a driving and swinging mechanism which can control the shaking of the test tube clamp assembly; the test tube clamp assembly comprises a clamp shell, a connecting plate assembly, an adjusting sleeve, two rotating shafts and four clamping pieces, wherein the two rotating shafts are matched and rotatably connected in an inner cavity of the clamp shell along the front-back direction, the two rotating shafts are distributed in bilateral symmetry, and the front end and the rear end of each rotating shaft extend to the outside of the clamp shell; two liang of combinations of four holders are fixed connection respectively in both ends around two rotation axes, two holders end-to-end connection that are located same rotation axis have detachable test tube centre gripping to divide the dish.

Description

Test tube shaking device

Technical Field

The utility model relates to a chemical reaction analytical equipment field, concretely relates to test tube rock device.

Background

The test tube is common chemical experiment articles for use to all need the operator to go manual rocking when chemical experiment, the mode of generally rocking the test tube is for moving and rocking, makes the test article mix with the medicament, in order to reach required experiment purpose. Chemistry subject is the subject of popularization in each colleges and universities, in the chemistry teaching process, need inevitably to make the chemistry experiment by the student in person, need contact containers such as test tube, do the experimentation at the student, when rocking to the test tube that has chemical reagent, the problem that often can appear has, the student can reduce the number of times of rocking because of the wrist is sour, lead to the experiment to go on smoothly, when doing some dangerous chemical reagents, the student is because it is more weak to prevent that consciousness, lead to chemical reagent to splash in hand, thereby cause certain danger to the student.

Although many test tube shaking devices are available on the market, the test tube shaking devices are used for industrial production or scientific research, have large overall size, large occupied area and complex operation process, and are not suitable for being used in chemical teaching experiments.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a test tube rocks device suitable for chemistry teaching experiment and simple structure, convenient operation.

The utility model discloses a realize through following technical scheme:

a test tube shaking device comprises a support plate with a base, a test tube clamp assembly and a driving shaking mechanism capable of controlling the test tube clamp assembly to shake;

the test tube clamp assembly comprises a clamp shell, a connecting plate assembly, an adjusting sleeve, two rotating shafts and four clamping pieces, wherein a vertical through hole communicated with the inner cavity is formed in the upper part of the clamp shell, and the adjusting sleeve is rotatably connected in the vertical through hole;

the two rotating shafts are matched and rotatably connected in the inner cavity of the clamp shell along the front-back direction, are distributed in bilateral symmetry, and extend to the outside of the clamp shell from the front end to the rear end;

the four clamping pieces are combined in pairs and fixedly connected to the front end and the rear end of each of the two rotating shafts respectively, and the tail ends of the two clamping pieces positioned on the same rotating shaft are connected with detachable test tube clamping sub-discs;

the connecting plate assembly is located in the inner cavity of the clamp shell and comprises a first plate, a second plate and a third plate, the tail end of the first plate is fixedly connected to the rotating shaft, the head end of the first plate is connected with the tail end of the second plate in a rotating mode, the head end of the second plate is connected with an adjusting screw in a rotating mode, the upper portion of the adjusting screw is in threaded connection with the inside of the adjusting sleeve, and the head end of the third plate is connected to the first plate in a rotating mode, and the tail end of the third plate is fixedly connected to the other rotating.

Furthermore, the driving swing mechanism comprises a swing shaft, a swing arm, a sliding rod, a sliding block, a rotating arm and a motor driving mechanism; the swing shaft penetrates through and is in rotating connection with the upper portion of the support plate, the front end of the swing shaft is fixedly connected to the rear wall of the clamp shell, the rear end of the swing shaft is fixedly connected with one end of the swing arm, the slide rod is fixed to the swing arm along the length direction of the swing arm, the slide block is sleeved on the slide rod in a matching mode, one end of the rotating arm is connected with the lower portion of the support plate in a rotating mode through the rotating shaft, the other end of the rotating arm is connected to the slide block in a rotating mode, and the motor driving mechanism controls the rotating arm to rotate.

Furthermore, the rotating shaft is located under the swinging shaft, the length of the sliding rod is greater than twice that of the rotating arm, and the motor driving mechanism comprises a speed reduction motor and a transmission belt.

Furthermore, the two test tube clamping sub-trays are provided with semicircular holes with the same number on the side close to each other, and a rubber pad is arranged on each semicircular hole.

Further, install electronic jar on the base of mounting panel, electronic jar's push rod is vertical upwards and fixed mounting has the loading board, the loading board is located under the test tube fixture subassembly.

Further, the swing angle of the test tube clamp assembly is 45-60 degrees.

Compared with the prior art, the utility model the beneficial effect who gains as follows:

1. the rotation regulation sleeve controls opening of two test tube clamping branch discs through the connecting plate assembly, puts a plurality of test tubes on the loading board after putting on the test-tube rack, starts electronic jar and rises the loading board to the assigned position after, and control test tube clamping branch disc is closed, and closing of two semicircle orifices is cliied the test tube. Electronic jar control loading board descends, starts drive wabbler mechanism control test tube anchor clamps subassembly and sways to rock the test tube. In the process, students do not need to shake the test tubes by hands, so that the shaking frequency and amplitude of the test tubes are ensured, and the chemical reagents are prevented from hurting human bodies;

2. the utility model discloses simple structure, compactness use convenient operation, area is few, and low in manufacturing cost, and very suitable chemical experiment teaching is used in the colleges and universities.

Drawings

Fig. 1 is a schematic perspective view of the test tube shaking device of the present invention;

FIG. 2 is a schematic perspective view of another side of FIG. 1;

FIG. 3 is a schematic view of the test tube shaking device according to the present invention;

fig. 4 is a schematic view of the internal structure of the clamp casing according to the present invention;

FIG. 5 is a state diagram of the test tube clamping plate of the present invention when it is opened;

FIG. 6 is a state diagram of the test tube clamping in the process of being clamped by the test tube clamping plates;

fig. 7 is a schematic diagram of the track of the driving swing mechanism of the present invention;

in the figure: 1. the test tube clamping device comprises a support plate, 2, a clamp shell, 3, an adjusting sleeve, 4, a rotating shaft, 5, a test tube clamping and dividing disc, 51, a semicircular hole, 52, a clamping piece, 61, a first plate, 62, a second plate, 63, a third plate, 64, an adjusting screw rod, 71, a swing shaft, 72, a swing arm, 73, a sliding rod, 74, a sliding block, 75, a rotating arm, 76, a speed reduction motor, 8, an electric cylinder, 9 and a bearing plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. The described embodiments are only some embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and only for the convenience of description, the present invention describes the principle of providing the oil blocking shutter of the push-down type on the stator, rather than indicating or implying that the device or element to which the present invention refers must have a specific orientation, be constructed and operated in a specific orientation, and the shape, size, and push-down manner of the oil blocking shutter are based on the final product, and therefore, should not be construed as limiting the present invention.

The test tube shaking device shown in fig. 1-4 mainly comprises a support plate 1 with a base, a test tube clamp assembly and a driving shaking mechanism capable of controlling the shaking of the test tube clamp assembly.

Wherein the test tube clamp assembly comprises a clamp housing 2, a connecting plate assembly, an adjusting sleeve 3, two rotating shafts 4 and four clamping pieces 52. The clamp shell 2 is formed by splicing a front shell and a rear shell through bolts, and an inner cavity is formed inside the clamp shell. The upper portion of anchor clamps casing 2 is processed out the vertical through-hole of its inner chamber of intercommunication, adjusting sleeve 3 rotates to be connected in vertical through-hole, and two holding rings of processing on the adjusting sleeve guarantee that adjusting sleeve axis direction can not remove, and its inside is equipped with the screw thread. The upper end of the adjusting sleeve extends to the outside of the clamp shell and is provided with a hexagonal screw head, so that an operator can conveniently rotate the adjusting sleeve by using a wrench. The inner cavity of the clamp shell 2 is internally provided with two rotating shafts 4 which are matched and rotatably connected along the front and back directions, the two rotating shafts 4 are distributed in a bilateral symmetry manner, the front end and the back end of the two rotating shafts extend to the outside of the clamp shell 2, and the two rotating shafts can rotate around the axis direction of the two rotating shafts. Two pairwise combinations of four holders 52 are respectively fixedly connected at the front end and the rear end of the two rotating shafts 4, and the tail ends of the two holders 52 positioned on the same rotating shaft 4 are connected with a test tube clamping sub-disc 5 through bolts. The two test tube clamping sub-trays 5 are provided with semicircular holes 51 with the same number on the side close to each other, and a rubber pad is arranged on each semicircular hole 51. The semicircle orifice through two test tube centre gripping minutes dishes carries the test tube, and wherein the rubber pad is used for increasing frictional force and can cushion the extrusion force, prevents that the test tube from droing or crowded garrulous.

The connecting plate assembly is located in the inner cavity of the fixture shell 2 and comprises a first plate 61, a second plate 62 and a third plate 63, the tail end of the first plate 61 is fixedly connected to the rotating shaft 4, the head end of the first plate is rotatably connected to the tail end of the second plate 62, the head end of the second plate 62 is rotatably connected to an adjusting screw 64, the upper portion of the adjusting screw 64 is in threaded connection with the inside of the adjusting sleeve 3, and the head end of the third plate 63 is rotatably connected to the first plate 61, and the tail end of the third plate 63 is fixedly connected to the other rotating shaft 4. The adjusting screw rod can move vertically by rotating the adjusting sleeve, and the rotation angles of the two rotating shafts are controlled by the transmission of the first plate, the second plate and the third plate

The driven swing mechanism includes a swing shaft 71, a swing arm 72, a slide rod 73, a slider 74, a rotating arm 75, and a motor drive mechanism. Swing axle 71 runs through and rotates through the bearing and connect the upper portion of mounting panel 1, swing axle 71's front end fixed connection on the back wall of anchor clamps casing 2, swing axle 71's rear end fixed connection swing arm 72's one end, slide bar 73 is fixed on swing arm 72 along the length direction who swings arm 72, slider 74 cooperation cover is established on slide bar 73, the one end of swinging arm 75 is passed through the axis of rotation and is rotated the connection mounting panel 1 lower part, and the axis of rotation is located under swing axle 71, the other end of swinging arm 75 rotates to be connected on the slider 74, motor drive mechanism control swinging arm 75 rotates. In this example, the length of the slide bar 73 is greater than twice the length of the rotating arm 75, and the motor driving mechanism includes a reduction motor 76 and a transmission belt. Thereby controlling the swing angle of the test tube clamp assembly between 45-60 degrees.

In order to ensure that the test tube rack is convenient to place, an electric cylinder 8 is installed on the base of the support plate 1, a bearing plate 9 is vertically installed on a push rod of the electric cylinder 8 in an upward direction and fixedly installed, and the bearing plate 9 is located under the test tube clamp assembly. Like this will put the test tube rack of good test tube and put on the loading board, through controlling electronic jar, adjust the height that goes up and down of test tube.

As shown in fig. 5-7, the test tube shaking device of the present invention has the following operation processes:

firstly, a spanner is embedded into a nut head of an adjusting sleeve, the adjusting sleeve is rotated in the forward direction, an adjusting screw rod moves downwards, and a left rotating shaft and a right rotating shaft rotate through transmission matching of a first plate, a second plate and a third plate, so that a clamping piece is driven to rotate, two test tube clamping sub-discs are separated from each other and are in an open state;

then, sequentially placing the test tubes to be shaken on a test tube rack, placing the test tube rack on a bearing plate, controlling an electric cylinder to lift the bearing plate, and enabling the upper ends of the test tubes to rise to a height position enabling the test tubes to be clamped by a sub-tray;

then, reversely rotating the adjusting sleeve by using a wrench, moving the adjusting screw rod upwards to drive the two test tube clamping sub-discs to move close to each other, correspondingly clamping the test tubes by each semicircular hole, controlling the electric cylinder to enable the bearing plate to move downwards after confirming that all the test tubes are clamped, and separating the test tubes from the test tube rack;

and finally, starting the speed reducing motor, and driving the swing mechanism to control the swing arm to swing, so that the reagent in the test tube is fully and uniformly swung.

Claims

1. A test tube shaking device is characterized by comprising a support plate (1) with a base, a test tube clamp assembly and a driving shaking mechanism capable of controlling the test tube clamp assembly to shake;

the test tube clamp assembly comprises a clamp shell (2), a connecting plate assembly, an adjusting sleeve (3) and a plurality of clamping pieces (52);

the inner cavity of the clamp shell (2) is matched and rotatably connected with two rotating shafts (4) along the front and rear directions, the two rotating shafts (4) are distributed in bilateral symmetry, and the front end and the rear end of each rotating shaft extend to the outside of the clamp shell (2);

the clamping pieces (52) are combined pairwise and are fixedly connected to the front end and the rear end of each of the two rotating shafts (4), and the tail ends of the clamping pieces (52) positioned on the same rotating shaft (4) are connected with detachable test tube clamping sub-discs (5);

adjusting sleeve (3) suit is in anchor clamps casing (2) upper portion can be rotatory around self axis direction, connecting plate subassembly is located in anchor clamps casing (2) inner chamber, adjusting sleeve (3) can open and shut through two test tube centre gripping subdivisions of connecting plate subassembly control (5).

2. Test tube shaking device according to claim 1, wherein the connection plate assembly comprises a first plate (61), a second plate (62) and a third plate (63), the first plate (61) is fixedly connected to the rotation shaft (4) at its trailing end and rotatably connected to the second plate (62) at its leading end, the second plate (62) is rotatably connected to the second plate at its leading end, the adjustment screw (64) is screwed inside the adjustment sleeve (3) at its upper part, and the third plate (63) is rotatably connected to the first plate (61) at its leading end and fixedly connected to the other rotation shaft (4) at its trailing end.

3. The tube rocking device according to claim 2, wherein the driven rocking mechanism comprises a rocking shaft (71), a rocking arm (72), a slide bar (73), a slider (74), a rotating arm (75) and a motor drive mechanism; swing axle (71) and run through and rotate the connection the upper portion of mounting panel (1), swing the front end fixed connection of axle (71) on the back wall of anchor clamps casing (2), swing the rear end fixed connection of axle (71) swing the one end of arm (72), slide bar (73) are fixed on swing arm (72) along the length direction who swings arm (72), slider (74) cooperation cover is established on slide bar (73), the one end of swinging arm (75) is passed through the axis of rotation and is rotated the connection mounting panel (1) lower part, the other end of swinging arm (75) is rotated and is connected on slider (74), motor drive mechanism control swinging arm (75) rotate.

4. The tube rocking device according to claim 3, wherein the rotation axis is located directly below the rocking axis (71), the slide bar (73) has a length greater than twice the length of the rotating arm (75), and the motor driving mechanism comprises a reduction motor (76) and a transmission belt.

5. Test tube shaking device according to claim 1, wherein the two test tube holding sub trays (5) are provided with the same number of semi-circular holes (51) on the sides close to each other, and each semi-circular hole (51) is provided with a rubber pad.

6. The tube shaking device according to claim 1, wherein an electric cylinder (8) is mounted on the base of the holder plate (1), the push rod of the electric cylinder (8) is vertically oriented and fixedly mounted with a bearing plate (9), and the bearing plate (9) is located right below the tube holder assembly.

7. The tube rocking device according to any one of claims 1 to 6, wherein the tube holder assembly has a rocking angle of 45 to 60 ° and the number of the holders (52) is four.