A quantitative funnel
By designing a quantitative funnel, using a conical structure and a transition guide cylinder, the cumbersome problem of traditional seed moisture measurement is solved, and the convenience of quantitative seeds is achieved and the measurement efficiency is improved.
Patent Information
- Application Number
- CN202010284560.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-04-13
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2040-04-13
AI Technical Summary
Traditional methods are complicated when measuring moisture on crop seeds, especially when measuring a variety of seeds, the workload is high and the efficiency is low.
A quantitative funnel is designed, including a funnel body, a transition guide cylinder and a conical plug. The quantitative measurement of seeds is achieved through a conical structure and easy pouring into the container to avoid seed retention.
The quantitative measurement and operation of seeds are achieved, ensuring efficient seeds when stored in the funnel and poured into the container, and avoiding seed retention.
Smart Images
Figure CN111362218B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of measuring tools, in particular to a quantitative funnel. Background Art
[0002] In the process of daily research on crop seeds, it is often necessary to measure the moisture content of a certain weight of seeds. The traditional method is to first weigh a certain weight of seeds with a scale, and then pour the weighed seeds into the measuring container through a funnel. This method is relatively cumbersome, especially when many types of seeds need to be measured, the workload is large and the work efficiency is low. Summary of the invention
[0003] In view of the above problems, the present invention provides a quantitative funnel, which can not only quantitatively measure a certain weight of seeds but also is very convenient to operate.
[0004] The technical solution adopted by the present invention to solve the technical problem is:
[0005] A quantitative funnel comprises a funnel body from top to bottom, wherein the funnel body comprises a main body portion, a first guide portion and a second guide portion with decreasing diameters from top to bottom, a first cone portion is arranged between the main body portion and the first guide portion, and a second cone portion is arranged between the first guide portion and the second guide portion;
[0006] The lower end of the second guide portion is sleeved with a transition guide cylinder and is slidably connected to the funnel body. A spring is provided between the transition guide cylinder and the funnel body to prevent the transition guide cylinder from sliding upward.
[0007] A conical plugging plate with a tip facing upward is arranged in the funnel body, and the maximum diameter of the conical plugging plate is equal to the inner diameter of the first guide portion;
[0008] A connecting rod is provided on the conical blocking plate, and the suspended end of the connecting rod is fixedly connected to the transition guide cylinder;
[0009] When the transition guide cylinder is at the upper limit position, the conical blocking plate is located in the first conical portion;
[0010] When the transition guide cylinder is at the lower limit position, the conical blocking plate is located in the first guide portion.
[0011] Furthermore, a lower top plate is provided on the outer cylindrical surface of the transition guide cylinder, at least two guide columns are evenly distributed in the circumferential direction on the lower top plate, an upper top plate is provided on the outer cylindrical surface of the first guide portion, and the upper end of the guide column passes through the upper top plate and extends to above the upper top plate, a spring is provided on the guide column and is located between the upper top plate and the lower top plate, and a positioning nut is provided on the upper end of the guide column.
[0012] Furthermore, a connecting platform is provided in the center of the transition guide cylinder, and the connecting platform is connected to the inner side surface of the transition guide cylinder through a plurality of connecting ribs. A connecting rod extending downward is provided in the conical blocking plate, and the lower end of the connecting rod is fixedly connected to the connecting platform.
[0013] Furthermore, the connecting platform is in the shape of a cone with a small diameter at the upper end and a large diameter at the lower end, and the upper diameter of the connecting platform is equal to the diameter of the connecting rod, and the cross-section of the connecting rib is in the shape of a semicircle protruding upward.
[0014] Furthermore, a lower top plate is provided on the outer cylindrical surface of the transition guide cylinder, and at least two guide columns are evenly distributed on the lower top plate in a circumferential direction, an upper top plate is provided on the outer cylindrical surface of the first guide portion, and the upper end of the guide column passes through the upper top plate and extends to the top of the upper top plate, a spring is provided on the guide column between the upper top plate and the lower top plate, an upper cover plate is provided above the funnel body, and an upwardly extending connecting rod is provided on the conical blocking plate, the upper ends of the guide column and the connecting rod are respectively fixedly connected to the upper cover plate, and a drop hole is provided on the upper cover plate.
[0015] Furthermore, a guide funnel is provided on the upper cover plate at the drop hole.
[0016] Furthermore, a guide cone is provided at the lower end of the transition guide cylinder, and the guide cone is threadedly connected to the transition guide cylinder.
[0017] Furthermore, when the transition guide cylinder is at the upper limit position, the lower end surface of the second guide portion is located below the upper end surface of the transition guide cylinder.
[0018] Furthermore, the conical blocking plate includes a conical portion and a cylindrical portion from top to bottom, and the maximum diameter of the conical portion is equal to the outer diameter of the cylindrical portion.
[0019] Furthermore, a plurality of rib plates are evenly distributed along the circumferential direction between the conical blocking plate and the connecting rod.
[0020] The beneficial effects of the present invention are:
[0021] 1. This quantitative funnel converts a certain weight of seeds into a volume mark on the side wall of the funnel body, and the lower end of the funnel body is provided with a conical plugging plate for blocking the outlet of the funnel body, so that a certain amount of seeds can be stored in the funnel body, thereby achieving quantitative measurement.
[0022] 2. When the lower end of the quantitative funnel is inserted into the container to be poured, and the funnel body is pressed down, the seeds in the funnel body can be poured into the container, which is very convenient to operate.
[0023] 3. The conical plugging plate in the quantitative funnel adopts a conical structure, which can not only effectively seal the lower end of the funnel body, but also when the conical plugging plate is in an open state, the conical plugging plate will not affect the falling of the seeds, and no seeds will be retained in the funnel body. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 Schematic diagram of the three-dimensional structure of the quantitative funnel in Example 1;
[0025] Figure 2 It is a front view of the quantitative funnel in Example 1;
[0026] Figure 3 for Figure 2 AA section view in;
[0027] Figure 4 for Figure 3 A schematic diagram of the enlarged structure of part A;
[0028] Figure 5 for Figure 3 A schematic diagram of the enlarged structure of part B;
[0029] Figure 6 It is a schematic diagram of the three-dimensional structure of the conical blocking plate in Example 1;
[0030] Figure 7 This is an exploded view of the quantitative funnel in Example 1;
[0031] Figure 8 It is a top view of the transition guide cylinder in the first embodiment;
[0032] Fig. 9 for Figure 8 BB section view in;
[0033] Fig.10 It is a structural schematic diagram of the quantitative funnel in the first embodiment when it is in an open state;
[0034] Fig.11 It is a schematic diagram of the three-dimensional structure of the quantitative funnel in Example 2;
[0035] Fig.12It is a front view of the quantitative funnel in Example 2;
[0036] Fig.13 for Fig.12 CC section view in;
[0037] Fig.14 It is a schematic diagram of the three-dimensional structure of the conical blocking plate in the second embodiment.
[0038] In the figure: 1- funnel body, 11- main body, 12- first guide part, 13- second guide part, 14- first cone part, 15- second cone part, 16- upper top plate, 161- guide sleeve,
[0039] 2-transition guide cylinder, 21-lower top plate, 22-guide column, 221-positioning nut, 23-connecting platform, 24-connecting rib,
[0040] 3-conical plugging plate, 31-connecting rod, 32-first stud, 321-locking nut, 33-rib plate,
[0041] 4-Guide cone,
[0042] 5- Spring,
[0043] 6-upper cover plate, 61-dropping hole, 62-guide funnel. DETAILED DESCRIPTION
[0044] Embodiment 1
[0045] like Figure 1 and Figure 7 As shown, a quantitative funnel comprises a funnel body 1 and a transition guide cylinder 2 from top to bottom.
[0046] like Figure 1 and Figure 3 As shown, the funnel body 1 includes a main body 11, a first guide portion 12 and a second guide portion 13, which have decreasing diameters from top to bottom, and the outer diameter of the second guide portion 13 is smaller than the inner diameter of the transition guide tube 2. The first guide portion 12 and the second guide portion 13 are both cylindrical, and preferably, the main body 11 is also cylindrical. A first cone 14 for connecting the main body 11 and the first guide portion 12 is provided between the main body 11 and the first guide portion 12, and a second cone 15 for connecting the first guide portion 12 and the second guide portion 13 is provided between the first guide portion 12 and the second guide portion 13.
[0047] The transition guide cylinder 2 is sleeved on the outer side of the second guide portion 13 and is slidably connected to the funnel body 1. The transition guide cylinder 2 can slide up and down relative to the funnel body 1. A spring 5 is provided between the transition guide cylinder 2 and the funnel body 1 to prevent the transition guide cylinder 2 from sliding upward relative to the funnel body 1.
[0048] As a specific implementation method, Figure 1 and Figure 3 As shown, a lower top plate 21 in the shape of an annular ring is provided at the upper end of the outer cylindrical surface of the transition guide cylinder 2, and at least two guide posts 22 extending upward are evenly arranged on the lower top plate 21 in the circumferential direction. As a specific embodiment, three guide posts 22 are evenly arranged on the lower top plate 21 in the embodiment in the circumferential direction. An upper top plate 16 in the shape of an annular ring is provided on the outer cylindrical surface of the first guide portion 12, and the upper end of the guide post 22 passes through the upper top plate 16 and extends to the top of the upper top plate 16. The upper top plate 16 is provided with a first through hole matched with the guide post 22. A spring 5 is sleeved on the guide post 22 between the upper top plate 16 and the lower top plate 21, and a positioning nut 221 is provided on the upper end of the guide post 22 for determining the lower limit position of the transition guide cylinder 2.
[0049] Furthermore, in order to increase the guide length, as Figure 5 As shown, a guide sleeve 161 matching with the guide column 22 is provided on the lower side of the upper top plate 16 .
[0050] like Figure 8 As shown, a connecting platform 23 is provided at the center of the transition guide tube 2, and the connecting platform 23 is connected to the inner side surface of the transition guide tube 2 through a plurality of connecting ribs 24. Preferably, three connecting ribs 24 are provided between the connecting platform 23 and the inner side surface of the transition guide tube 2, and the three connecting ribs 24 are evenly distributed radially along the circumferential direction.
[0051] like Figure 3 As shown, a conical plugging plate 3 with a tip facing upward is provided in the funnel body 1, and the maximum diameter of the conical plugging plate 3 is equal to the inner diameter of the first guide portion 12. A connecting rod 31 extending downward is provided in the conical plugging plate 3, and a first stud 32 is provided on the lower end surface of the connecting rod 31. A second through hole for accommodating the first stud 32 is provided on the connecting platform 23, and the lower end of the first stud 32 extends to the bottom of the connecting platform 23 through the second through hole, and a locking nut 321 is provided on the first stud 32 below the connecting platform 23.
[0052] like Fig.10As shown, when the transition guide cylinder 2 is in the upper limit position, that is, the lower end of the second guide portion 13 abuts against the connecting rib 24, the conical plugging plate 3 is located in the first conical portion 14, that is, the lower side surface of the conical plugging plate 3 is disengaged from the first guide portion 12.
[0053] When the transition guide tube 2 is in the lower limit position, that is, when the upper top plate 16 is pressed against the lower end face of the positioning nut 221, the conical blocking plate 3 is located in the first guide portion 12, and at this time, the lower end face of the second guide portion 13 is located below the upper end face of the transition guide tube 2.
[0054] Furthermore, if Figure 6 As shown, the conical blocking plate 3 includes a conical portion and a cylindrical portion from top to bottom, and the maximum diameter of the conical portion is equal to the outer diameter of the cylindrical portion.
[0055] Furthermore, if Figure 6 As shown, a plurality of ribs 33 are evenly distributed along the circumferential direction between the conical blocking plate 3 and the connecting rod 31 .
[0056] Further, in order to avoid the seeds from being left on the connecting ribs 24 and the connecting platform 23 when the seeds fall, Figure 4 and Fig. 9 As shown, the connecting platform 23 is in the shape of a truncated cone with a small diameter at the upper end and a large diameter at the lower end, and the upper diameter of the connecting platform 23 is equal to the diameter of the connecting rod 31. The cross section of the connecting rib 24 is in the shape of a semicircle protruding upward.
[0057] Furthermore, in order to adapt to the calibers of various containers, such as Figure 3 As shown, a guide cone 4 is provided at the lower end of the transition guide cylinder 2, and the guide cone barrel is threadedly connected to the transition guide cylinder 2.
[0058] As a specific implementation method, Figure 3 As shown, the guide cone 4 includes, from top to bottom, a cylindrical connecting portion and a third guide portion in the shape of a cone with a larger diameter at the upper end and a smaller diameter at the lower end. An internal thread is provided on the inner cylindrical surface of the connecting portion, and an external thread matching the internal thread is provided on the outer cylindrical surface of the transition guide cylinder 2.
[0059] Embodiment 2
[0060] like Fig.11 , Fig.12 and Fig.13As shown, the transition guide tube 2 is not provided with a connecting platform 23 and a connecting rib 24, an upper cover plate 6 is provided above the funnel body 1, and the connecting rod 31 is provided at the tip of the conical plugging plate 3 and extends upward. A first stud 32 is provided at the upper end of the connecting rod 31, and the upper end of the first stud 32 passes through the upper cover plate 6 and extends to the upper part of the upper cover plate 6. A locking nut 321 is provided on the first stud 32 above the upper cover plate 6.
[0061] A second stud is disposed on the upper end surface of the guide column 22, and the upper end surface of the second stud passes through the upper cover plate 6 and extends to the upper part of the upper cover plate 6. A third through hole for accommodating the second stud is disposed on the upper cover plate 6. A locking nut is disposed on the second stud above the upper cover plate 6.
[0062] The upper cover plate 6 is provided with a material drop hole 61 . Preferably, a guide funnel 62 connected with the material drop hole 61 is provided on the upper cover plate 6 at the material drop hole 61 .
[0063] The remaining structures are the same as those in the first embodiment.
Claims
1. A quantitative funnel, characterized in that: The funnel body includes a funnel body from top to bottom, wherein the funnel body includes a main body portion, a first guide portion, and a second guide portion, the diameters of which decrease successively from top to bottom, a first cone portion is arranged between the main body portion and the first guide portion, and a second cone portion is arranged between the first guide portion and the second guide portion; The lower end of the second guide portion is sleeved with a transition guide cylinder and is slidably connected to the funnel body. A spring is provided between the transition guide cylinder and the funnel body to prevent the transition guide cylinder from sliding upward. A conical plugging plate with a tip facing upward is arranged in the funnel body, and the maximum diameter of the conical plugging plate is equal to the inner diameter of the first guide portion; A connecting rod is provided on the conical blocking plate, and the suspended end of the connecting rod is fixedly connected to the transition guide cylinder; When the transition guide tube is at the upper limit position, the conical plugging plate is in the first conical portion, and the lower side of the conical plugging plate is separated from the first guide portion; When the transition guide cylinder is at the lower limit position, the conical blocking plate is located in the first guide portion, and the lower end surface of the second guide portion is located below the upper end surface of the transition guide cylinder; A guide cone is provided at the lower end of the transition guide cylinder, and the guide cone is threadedly connected to the transition guide cylinder; The side wall of the funnel body is provided with a mark for marking the volume; Insert the lower end of the quantitative funnel into the container to be poured, and press down the funnel body to pour the seeds in the funnel body into the container; A lower top plate is arranged on the outer cylindrical surface of the transition guide cylinder, and at least two guide columns are evenly arranged on the lower top plate in the circumferential direction. An upper top plate is arranged on the outer cylindrical surface of the first guide portion, and the upper end of the guide column passes through the upper top plate and extends to the top of the upper top plate. A spring is sleeved on the guide column between the upper top plate and the lower top plate, and a positioning nut is arranged on the upper end of the guide column.
2. A quantitative funnel according to claim 1, characterized in that: A connecting platform is provided in the center of the transition guide tube, and the connecting platform is connected to the inner side surface of the transition guide tube through a plurality of connecting ribs. A connecting rod extending downward is provided in the conical blocking plate, and the lower end of the connecting rod is fixedly connected to the connecting platform.
3. A quantitative funnel according to claim 2, characterized in that: The connecting platform is in the shape of a frustum with a small diameter at the upper end and a large diameter at the lower end, and the diameter at the upper end of the connecting platform is equal to the diameter of the connecting rod, and the cross-section of the connecting rib is in the shape of a semicircle protruding upward.
4. A quantitative funnel according to claim 1, characterized in that: A lower top plate is arranged on the outer cylindrical surface of the transition guide cylinder, and at least two guide columns are evenly arranged on the lower top plate in the circumferential direction, an upper top plate is arranged on the outer cylindrical surface of the first guide part, and the upper end of the guide column passes through the upper top plate and extends to the top of the upper top plate, a spring is sleeved on the guide column between the upper top plate and the lower top plate, an upper cover plate is arranged above the funnel body, and an upwardly extending connecting rod is arranged on the conical blocking plate, the upper ends of the guide column and the connecting rod are respectively fixedly connected to the upper cover plate, and a drop hole is arranged on the upper cover plate.
5. A quantitative funnel according to claim 4, characterized in that: A guide funnel is arranged on the upper cover plate at the drop hole.
6. A quantitative funnel according to claim 1, characterized in that: The conical blocking plate comprises a conical portion and a cylindrical portion from top to bottom, and the maximum diameter of the conical portion is equal to the outer diameter of the cylindrical portion.
7. A quantitative funnel according to claim 2 or 4, characterized in that: A plurality of rib plates are evenly distributed along the circumferential direction between the conical blocking plate and the connecting rod.