CN208367772U - A kind of statistics random Sampler - Google Patents
A kind of statistics random Sampler Download PDFInfo
- Publication number
- CN208367772U CN208367772U CN201821236689.8U CN201821236689U CN208367772U CN 208367772 U CN208367772 U CN 208367772U CN 201821236689 U CN201821236689 U CN 201821236689U CN 208367772 U CN208367772 U CN 208367772U
- Authority
- CN
- China
- Prior art keywords
- cabinet
- agitating shaft
- chassis
- gear
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of statistics random Samplers in statistical technique field, including chassis, support column is connected with by shaft at the upper surface center on the chassis, the top of the support column is fixedly connected with cabinet, installation cavity is offered in the chassis, the utility model drives the rotation of the first agitating shaft by starting driving motor, the rotation of the second agitating shaft is driven by first gear and second gear, first agitating shaft and the second agitating shaft rotate simultaneously, make to test ball stirring more evenly；The rotation of threaded rod is driven by starting servo drive motor, therefore screw shell is driven up to move, therefore cabinet tilts, experiment ball comes out from discharge port.
Description
Technical field
The utility model relates to statistical technique field, specially a kind of statistics random Sampler.
Background technique
Statistics is by means such as search, arrangement, analysis, description data, to reach the essence for inferring surveyed object, very
To a Comprehensive Science in prediction object future.Statistics has used the professional knowledge of a large amount of mathematics and other subject,
Application range almost covers the every field of social science and natural science.A part of of actual observation or investigation in research
Body is known as sample, and being referred to collectively as research object is overall.Often use sampling in statistics, all sights in totality when sampling
Examining unit must be homogeneity, and the observation unit of sample will have enough quantity, and have to comply with randomization.It was imparting knowledge to students
Usually the ball of various colors is placed in the pocket for not seeing inside by teacher when simple sampling in journey, and then hand wherein will
Ball is extracted again after being mixed；Such simple sampling mode can usually make sample mixing uneven, cause sampling not with
Machine, result inaccuracy.
Based on this, the utility model devises a kind of statistics random Sampler, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of statistics random Samplers, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of statistics random Sampler, packet
It includes chassis, support column is connected with by shaft at the upper surface center on the chassis, the top of the support column is fixedly connected with
Cabinet offers installation cavity in the chassis, and the lower surface of the installation cavity is fixedly connected with servo drive motor and spring lever,
The output end of the servo drive motor is connected with threaded rod by shaft coupling, and the top of the threaded rod is threaded with screw thread
Sleeve, the top of the screw shell are stretched out chassis and are mutually linked with the lower surface of cabinet, and bottom is stretched out on the top of the spring lever
Disk is simultaneously mutually linked with the lower surface of cabinet, the first agitating shaft is rotatably connected in the cabinet, the two sides of the first agitating shaft are symmetrical
If there are two the second agitating shafts, and the top of the first agitating shaft and the second agitating shaft is extended cabinet and has been connected respectively
First gear and second gear, two second gears are meshed with the two sides of first gear respectively, first agitating shaft
Top be also connected with driving motor.
Preferably, the side wall of the installation cavity offers sliding slot, and the side wall of the screw shell is connected with sliding block, and passes through
Sliding block is slidably connected with sliding slot.
Preferably, the upper surface of the cabinet offers feed inlet, and the side wall of the cabinet offers discharge port.
Preferably, the upper surface of the cabinet is connected with L-type plate, the lower surface of the L-type plate and the upper table of driving motor
Face is connected.
Preferably, multiple experiment balls are equipped in the cabinet.
Compared with prior art, the utility model has the beneficial effects that the utility model is driven by starting driving motor
The rotation of first agitating shaft drives the rotation of the second agitating shaft, the first agitating shaft and second by first gear and second gear
Agitating shaft rotates simultaneously, makes to test ball stirring more evenly；The rotation of threaded rod, therefore band are driven by starting servo drive motor
Dynamic screw shell up moves, therefore cabinet tilts, and experiment ball comes out from discharge port.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
FIG. 1 is a schematic structural view of the utility model.
In attached drawing, parts list represented by the reference numerals are as follows:
The chassis 1-, 2- support column, 3- cabinet, 4- installation cavity, 5- servo drive motor, 6- spring lever, 7- threaded rod, 8- spiral shell
Line sleeve, the first agitating shaft of 9-, the second agitating shaft of 10-, 11- first gear, 12- second gear, 13- driving motor, 14- are sliding
Slot, 15- sliding block, 16- feed inlet, 17- discharge port, 18-L template, 19- test ball.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
Attached drawing is please referred to, the utility model provides a kind of technical solution: a kind of statistics random Sampler, including bottom
Disk 1 is connected with support column 2 by shaft at the upper surface center on chassis 1, and the top of support column 2 is fixedly connected with cabinet 3, bottom
Installation cavity 4 is offered in disk 1, the lower surface of installation cavity 4 is fixedly connected with servo drive motor 5 and spring lever 6, servo-drive electricity
The output end of machine 5 is connected with threaded rod 7 by shaft coupling, and the top of threaded rod 7 is threaded with screw shell 8, screw shell 8
Top stretch out and chassis 1 and mutually linked with the lower surface of cabinet 3, chassis 1 and the following table with cabinet 3 are stretched out in the top of spring lever 6
Face mutually links, and the first agitating shaft 9 is rotatably connected in cabinet 3, and the two sides of the first agitating shaft 9 are symmetrically arranged with two the second agitating shafts
10, and the top of the first agitating shaft 9 and the second agitating shaft 10 extends cabinet 3 and has been connected respectively 11 He of first gear
Second gear 12, two second gears 12 are meshed with the two sides of first gear 11 respectively, and the top of the first agitating shaft 9 is also connected with
There is driving motor 13.
Wherein, the side wall of installation cavity 4 offers sliding slot 14, and the side wall of screw shell 8 is connected with sliding block 15, and passes through sliding block
15 are slidably connected with sliding slot 14, by being equipped with sliding block 15 and sliding slot 14, are limited to screw shell 8；The upper surface of cabinet 3
Feed inlet 16 is offered, the side wall of cabinet 3 offers discharge port 17；The upper surface of cabinet 3 is connected with L-type plate 18, L-type plate 18
Lower surface is connected with the upper surface of driving motor 13；Multiple experiment balls 19 are equipped in cabinet 3.
One concrete application of the present embodiment are as follows: the rotation that the first agitating shaft 9 is driven by starting driving motor 13 passes through
First gear 11 and second gear 12 drive the rotation of the second agitating shaft 10, and the first agitating shaft 9 and the second agitating shaft 10 turn simultaneously
It is dynamic, make to test the stirring of ball 19 more evenly；The rotation of threaded rod 7 is driven by starting servo drive motor 5, therefore drives thread bush
Cylinder is toward moving on 8, therefore cabinet 3 tilts, and tests ball 19 and comes out from discharge port.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above only illustrates the utility model with help.Preferred embodiment is not
There is the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this explanation
The content of book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is to preferably solve
The principles of the present invention and practical application are released, so that skilled artisan be enable to better understand and utilize this reality
With novel.The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. a kind of statistics random Sampler, including chassis (1), it is characterised in that: the upper surface center of the chassis (1)
Place is connected with support column (2) by shaft, and the top of the support column (2) is fixedly connected with cabinet (3), in the chassis (1)
It offers installation cavity (4), the lower surface of the installation cavity (4) is fixedly connected with servo drive motor (5) and spring lever (6), institute
The output end for stating servo drive motor (5) is connected with threaded rod (7) by shaft coupling, and the top screw thread of the threaded rod (7) connects
It is connected to screw shell (8), the top of the screw shell (8) stretches out chassis (1) and is hinged with the lower surface of cabinet (3), institute
The top for stating spring lever (6) stretches out chassis (1) and is hinged with the lower surface of cabinet (3), is rotatably connected in the cabinet (3)
First agitating shaft (9), the two sides of the first agitating shaft (9) are symmetrically arranged with two the second agitating shafts (10), and the first agitating shaft (9) and
Extend cabinet (3) and be connected respectively first gear (11) and second gear in the top of second agitating shaft (10)
(12), two second gears (12) are meshed with the two sides of first gear (11) respectively, the top of first agitating shaft (9)
End is also connected with driving motor (13).
2. a kind of statistics random Sampler according to claim 1, it is characterised in that: the installation cavity (4)
Side wall offers sliding slot (14), and the side wall of the screw shell (8) is connected with sliding block (15), and passes through sliding block (15) and sliding slot
(14) it is slidably connected.
3. a kind of statistics random Sampler according to claim 1, it is characterised in that: the cabinet (3) it is upper
Surface offers feed inlet (16), and the side wall of the cabinet (3) offers discharge port (17).
4. a kind of statistics random Sampler according to claim 1, it is characterised in that: the cabinet (3) it is upper
Surface is connected with L-type plate (18), and the lower surface of the L-type plate (18) is connected with the upper surface of driving motor (13).
5. a kind of statistics random Sampler according to claim 1, it is characterised in that: set in the cabinet (3)
There are multiple experiment balls (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821236689.8U CN208367772U (en) | 2018-08-01 | 2018-08-01 | A kind of statistics random Sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821236689.8U CN208367772U (en) | 2018-08-01 | 2018-08-01 | A kind of statistics random Sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208367772U true CN208367772U (en) | 2019-01-11 |
Family
ID=64924067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821236689.8U Expired - Fee Related CN208367772U (en) | 2018-08-01 | 2018-08-01 | A kind of statistics random Sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208367772U (en) |
-
2018
- 2018-08-01 CN CN201821236689.8U patent/CN208367772U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20190111 Termination date: 20190801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |