CN210279004U - Shaking and shaking device for student experiment - Google Patents
Shaking and shaking device for student experiment Download PDFInfo
- Publication number
- CN210279004U CN210279004U CN201921241649.7U CN201921241649U CN210279004U CN 210279004 U CN210279004 U CN 210279004U CN 201921241649 U CN201921241649 U CN 201921241649U CN 210279004 U CN210279004 U CN 210279004U
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- fixedly connected
- face
- rigid coupling
- rack
- supporting
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- 238000002474 experimental method Methods 0.000 title claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 21
- 230000008878 coupling Effects 0.000 abstract description 12
- 238000010168 coupling process Methods 0.000 abstract description 12
- 238000005859 coupling reaction Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 10
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000000338 in vitro Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Images
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- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
Abstract
The utility model belongs to the technical field of the teaching aid technique and specifically relates to a student's experiment is with rocking even device, including base, reset spring, mount and last baffle, the rigid coupling has the motor on the base, and the rigid coupling has the carousel on the motor output shaft, and carousel left side semicircle side rigid coupling has the power rack, and the rigid coupling has the slide bar between two supporting legs of base, the mount lower part is pegged graft on the slide bar, and the both sides rigid coupling has reset spring, the terminal surface has the atress rack through the connecting rod rigid coupling under the mount, the meshing of atress rack right side lower extreme and power rack upper end, mount up end left and right sides rigid coupling has the bracing piece, two bracing pieces of pegging graft in the left and right sides of. The utility model has the advantages of reasonable design, the overhead gage can prevent under second supporting spring's effect that reagent is in rocking the in-process spill in the test tube, and annular side shield plays from the outside and shelters from the effect, has further prevented that reagent from rocking the in-process at the test tube and splashes everywhere.
Description
Technical Field
The utility model belongs to the technical field of teaching aid technique and specifically relates to a student experiments are with rocking and shake even device.
Background
In present chemical learning, often need the student oneself to do the experiment with one's hands, through the student oneself experiment with one's hands, can improve student's learning efficiency, make the student study books knowledge more profound, and in student's chemical experiment, often need mix different reagents to observe reaction phenomenon, at present teaching in-process, often need the manual reaction liquid that rocks of student, however this kind of mode inefficiency wastes time and energy, is unfavorable for going on of teaching experiment. In order to solve the problem, in the chinese utility model patent with publication number CN208194302U, a chemical experiment shaking device is disclosed, which drives the whole test tube rack to move through the rotation of the cam, and further realizes the shaking of the test tube. However, the device is horizontally placed in the using process, the test tube opening needs to be sealed firstly when the device is used, the inconvenience is high, even if the test tube is vertically shaken, reagents in the test tube still can be scattered in the shaking process, and a part of chemical reagents are corrosive, so that the device is not safe.
In summary, the technical problem to be solved by the technical solution is: traditional test tube rocks the device and rocks the in-process, and chemical reagent can follow the problem that the in-tube spill.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned technical shortcoming and providing a student experiment is with rocking even device, the overhead gage can prevent that reagent in the test tube from rocking the in-process spill under second supporting spring's effect, and annular side shield plays from the outside and shelters from the effect, has further prevented that reagent from rocking the in-process at the test tube and splashes everywhere.
The utility model provides a technical scheme that technical problem adopted does: a shaking and shaking device for student experiments comprises a base, reset springs, a fixing frame and an upper baffle plate, wherein a motor is fixedly connected to the right side of the upper end face of the base, a switch is fixedly connected to the front end of the base, an external power plug is fixedly connected to the left end of the base, the motor and the switch are electrically connected with the external power plug, a rotary disc is fixedly connected to an output shaft of the motor, a power rack is fixedly connected to the side edge of a semicircle at the left side of the rotary disc, support legs are fixedly connected to the left side and the right side of the upper end face of the base, a slide bar is fixedly connected between the upper portions of the two support legs and is T-shaped, the lower portion of the fixing frame is inserted into the slide bar, the T-shaped slide bar is used for ensuring that the fixing frame can only slide left and right, the two reset springs are respectively sleeved outside the slide bars at the left side and the right, the inner wall of the fixed hole is fixedly connected with an arc-shaped fixed plate through a first supporting spring, three arc-shaped fixed plates are arranged in each fixed hole, a plurality of first supporting springs are connected between each arc-shaped fixed plate and the inner wall of the fixed hole, the arc-shaped fixed plates can clamp and fix the test tube in the fixed hole by utilizing the supporting force generated by the first supporting springs, the lower end surface of the fixed frame is fixedly connected with a stressed rack through a connecting rod, the right lower end of the stressed rack is meshed with the upper end of a power rack, when a motor is started, the power rack rotates clockwise to drive the stressed rack to move rightwards, the fixed frame moves rightwards along with the stressed rack, after the rotary table rotates 180 degrees, the half side without the power rack rotates to the position below the stressed rack, the stressed rack loses the limit of the power rack, the fixed frame slides leftwards under the action of the two resetting springs, so reciprocal, can realize the left and right reciprocating motion of mount, and then realize being fixed in rocking of the test tube in the fixed orifices, mount up end left and right sides rigid coupling has the bracing piece, two bracing pieces are pegged graft to the upper shield left and right sides, and the terminal surface rigid coupling has annular side shield down, the bracing piece has cup jointed second supporting spring in upper shield top part, and top threaded connection has the nut, and under second supporting spring's effect, upper shield moves down, detains the test tube top on being fixed in the mount, can prevent that reagent in the test tube from spilling at the rocking in-process, and annular side shield plays the effect of sheltering from the outside, has further prevented that reagent from rocking the in-process at the test tube and splashing everywhere, twists the nut down, can remove second supporting spring and overhead gage to take off the test tube that the reagent was shaken the even after rocking.
Furthermore, the upper end face of the sliding rod is provided with a plurality of ball grooves, and universal balls are clamped in the ball grooves, so that the friction between the ball grooves and the fixed frame and the sliding rod is reduced, and the fixed frame can reciprocate leftwards and rightwards.
Further, the rigid coupling has the silica gel pad in the side shield of up-per baffle lower extreme face, the silica gel pad not only can reduce the pressure of overhead gage to the test tube, prevents that the test tube from appearing breaking, and the silica gel pad extrudees with the test tube mouth, can fully block up the test tube mouth, prevents that the test tube from rocking in-process reagent spill.
Further, arc fixed plate medial surface rigid coupling has rubber buffer to reduce the pressure to the test tube, prevent that the test tube from being extruded the damage.
The utility model discloses the beneficial effect who has is: under the effect of second supporting spring, go up the baffle and remove downwards, detain the test tube top on being fixed in the mount, can prevent that reagent in the test tube from rocking the in-process spill, annular side shield plays from the outside and shelters from the effect, has further prevented that reagent from rocking the in-process at the test tube and splashing everywhere, has solved traditional test tube and has rocked the device and rocking the in-process, and chemical reagent can follow the problem of the intraductal spill of test tube.
Drawings
Fig. 1 is a front view of the present invention.
Figure 2 is the side view structure tangent plane sketch map of mount.
Fig. 3 is a top view of the fixing frame of the present invention.
Fig. 4 is a schematic structural view of the lower end face of the upper baffle plate 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 base 1, two reset springs 10, a fixing frame 9 and an upper baffle 16, wherein the right side of the upper end face of the base 1 is fixedly connected with a motor 2, the front end of the base 1 is fixedly connected with a switch 3, the left end is fixedly connected with an external power plug 4, the motor 2, the switch 3 and the external power plug 4 are electrically connected, an output shaft of the motor 2 is fixedly connected with a turntable 5, the semicircular side edge of the left side of the turntable 5 is fixedly connected with a power rack 6, the left side and the right side of the upper end face of the base 1 are fixedly connected with supporting legs 7, a sliding rod 8 is fixedly connected between the upper parts of the two supporting legs 7, the sliding rod 8 is in a T shape, the lower part of the fixing frame 9 is inserted on the sliding rod 8, the T-shaped sliding rod 8 is used for ensuring that the fixing frame 9 can only slide left and right, the reset springs, the other end is fixedly connected with the end surface of the inner side of a supporting leg 7, a plurality of fixing holes 9-1 are arranged on the front side and the rear side of a sliding rod 8 on a fixing frame 9, arc-shaped fixing plates 12 are fixedly connected on the inner walls of the fixing holes 9-1 through first supporting springs 11, three arc-shaped fixing plates 12 are arranged in each fixing hole 9-1, a plurality of first supporting springs 11 are connected between each arc-shaped fixing plate 12 and the inner wall of the fixing hole 9-1, the arc-shaped fixing plates 12 can clamp and fix a test tube in the fixing holes 9-1 by utilizing the supporting force generated by the first supporting springs 11, the lower end surface of the fixing frame 9 is fixedly connected with a stressed rack 14 through connecting rods 13, the right lower end of the stressed rack 14 is meshed with the upper end of a power rack 6, when a motor 2 is started, the power rack 6, after the rotary table 5 rotates 180 degrees, the half edge without the power rack 6 rotates to the position below the stressed rack 14, at the moment, the stressed rack 14 is not limited by the power rack 6, the fixed frame 9 slides leftwards to reset under the action of the two reset springs 10, the rotary table 5 continuously rotates, the upper end of the power rack 6 is meshed with the reset stressed rack 14 again, reciprocating in the way can realize the left-right reciprocating movement of the fixed frame 9, and further realize the shaking of the test tube fixed in the fixed hole 9-1, the left side and the right side of the upper end surface of the fixed frame 9 are fixedly connected with the supporting rods 15, the left side and the right side of the upper baffle 16 are inserted with the two supporting rods 15, the lower end surface is fixedly connected with the annular side baffle 17, the supporting rods 15 are sleeved with the second supporting springs 18 at the upper parts of the upper baffle 16, the top ends of the supporting rods are connected with the nuts 19 in a threaded manner, under the action of the second supporting springs, can prevent that the in-vitro reagent from sloshing the in-process spill, annular side shield 17 plays from the outside and shelters from the effect, has further prevented that reagent from rocking the in-process at the test tube and splashing everywhere, unscrews nut 19, can remove second supporting spring 18 and last baffle 16 to take off through rocking the test tube that the back reagent was shaken the uniformity.
In this embodiment, the upper end surface of the sliding rod 8 is provided with a plurality of ball grooves 20-1, and the ball grooves 20-1 are internally clamped with universal balls 20, so as to reduce the friction between the sliding rod 8 and the fixed frame 9, and facilitate the left and right reciprocating movement of the fixed frame 9.
In this embodiment, the rigid coupling has silica gel pad 21 in side shield 17 for the terminal surface under the overhead gage 16, silica gel pad 21 not only can reduce the pressure of overhead gage 16 to the test tube, prevents that the test tube from appearing breaking, and silica gel pad 21 extrudeing with the test tube mouth, can fully block up the test tube mouth, prevents that the test tube from rocking in-process reagent spill.
In this embodiment, the inner side of the arc-shaped fixing plate 12 is fixedly connected with a rubber cushion 22 so as to reduce the pressure on the test tube and prevent the test tube from being damaged by extrusion.
When the utility model is used, firstly the nut 19 is unscrewed, the second supporting spring 18 and the upper baffle 16 are removed, so that a test tube filled with reagent is inserted into the fixing hole 9-1, the arc-shaped fixing plate 12 can clamp and fix the test tube in the fixing hole 9-1 by utilizing the supporting force generated by the first supporting spring 11, then the left side and the right side of the upper baffle 16 are inserted with the two supporting rods 15, the second supporting spring 18 is sleeved on the part of the supporting rod 15 above the upper baffle 16, the nut 19 is screwed on the upper end of the supporting rod 15, the motor 2 is started, the fixing frame 9 is reciprocated left and right by utilizing the interaction among the turntable 5, the power rack 6 and the stressed rack 14, the shaking of the test tube fixed in the fixing hole 9-1 is realized, meanwhile, the upper baffle 16 moves downwards under the action of the second supporting spring 18 and is buckled above the test tube fixed on the fixing frame 9, can prevent that the in-vitro reagent from rocking the in-process spill, annular side shield 17 plays the effect of sheltering from the outside, has further prevented that reagent from rocking the in-process at the test tube and splashing everywhere, treats that reagent shakes and closes motor 2 after even, unscrews nut 19, can remove second supporting spring 18 and last baffle 16 to in taking off the test tube.
Claims (4)
1. The utility model provides a student experiments are with rocking even device, includes base, reset spring, mount and last baffle, its characterized in that: the right side of the upper end face of the base is fixedly connected with a motor, the front end of the base is fixedly connected with a switch, the left end of the base is fixedly connected with an external power plug, the motor, the switch and the external power plug are electrically connected, a turntable is fixedly connected to an output shaft of the motor, a power rack is fixedly connected to the semicircular side edge of the left side of the turntable, supporting legs are fixedly connected to the left side and the right side of the upper end face of the base, a sliding rod is fixedly connected between the upper parts of the two supporting legs, the sliding rod is T-shaped, the lower part of a fixing frame is inserted into the sliding rod, two reset springs are fixedly connected to the left side and the right side of the fixing frame respectively, one end of each reset spring is fixedly connected with the fixing frame, the other end of each reset spring is fixedly connected with the inner side face of the supporting leg, a plurality of fixing holes are formed in the front side and the back, the supporting frame is characterized in that a stressed rack is fixedly connected to the lower end face of the fixing frame through a connecting rod, the right lower end of the stressed rack is meshed with the upper end of the power rack, supporting rods are fixedly connected to the left side and the right side of the upper end face of the fixing frame, two supporting rods are inserted into the left side and the right side of the upper baffle, an annular side baffle is fixedly connected to the lower end face of the fixing frame, a second supporting spring is sleeved on the supporting rods above the upper baffle, and a nut is in threaded.
2. The shaking and shaking device for the student experiment as claimed in claim 1, wherein: the upper end face of the sliding rod is provided with a plurality of ball grooves, and universal balls are clamped in the ball grooves.
3. The shaking and shaking device for the student experiment as claimed in claim 1, wherein: and the lower end face of the upper baffle is fixedly connected with a silica gel pad in the side baffle.
4. The shaking and shaking device for the student experiment as claimed in claim 1, wherein: and a rubber cushion pad is fixedly connected to the inner side surface of the arc-shaped fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921241649.7U CN210279004U (en) | 2019-08-01 | 2019-08-01 | Shaking and shaking device for student experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921241649.7U CN210279004U (en) | 2019-08-01 | 2019-08-01 | Shaking and shaking device for student experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210279004U true CN210279004U (en) | 2020-04-10 |
Family
ID=70061061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921241649.7U Expired - Fee Related CN210279004U (en) | 2019-08-01 | 2019-08-01 | Shaking and shaking device for student experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210279004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477294A (en) * | 2021-07-05 | 2021-10-08 | 青岛市中心血站 | Sample storage device for blood transfusion inspection of blood station |
-
2019
- 2019-08-01 CN CN201921241649.7U patent/CN210279004U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477294A (en) * | 2021-07-05 | 2021-10-08 | 青岛市中心血站 | Sample storage device for blood transfusion inspection of blood station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 |