Portable field collecting device for eel grass plant fruits
By designing a portable fruit-collecting device for Vallisneria natans, utilizing a telescopic linkage and a net structure, the problem of low fruit collection efficiency for Vallisneria natans was solved, enabling efficient collection under different water depth conditions and improving operational convenience and collection efficiency.
Patent Information
- Application Number
- CN202520569951.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-28
AI Technical Summary
The harvesting efficiency of fruits from plants in the Vallisneria genus is low and the operation is inconvenient, especially in low-temperature environments where manual underwater harvesting is inefficient.
Design a portable field collection device for fruits of the genus Vallisneria, including a telescopic linkage and a landing net. The linkage is composed of multi-section cylindrical linkage units, and the landing net is composed of a ring support and a net body, which are connected by a locking mechanism to adapt to different water depths. The net body is detachable and replaceable, and the filter screen is used for fruit collection.
This invention enables efficient collection of fruits from Vallisneria species at varying water depths. The device is lightweight, portable, and robust, suitable for collection at the bottom or surface of water, thus improving collection efficiency and ease of operation.
Smart Images

Figure CN223912973U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the collection technical field of Vallisneria fruit of submerged plant, specifically relates to a portable Vallisneria fruit field collection device. BACKGROUND
[0002] Vallisneria plant is submerged plant belonging to Hydrocharitaceae, and there are three kinds of Vallisneria, Vallisneria, Vallisneria spinulosus and Vallisneria compacta in China. They can all produce fruit through sexual reproduction, especially Vallisneria, and the proportion of sexual reproduction is high, and many cylindrical fruits can be produced in the breeding season, and many seeds are contained in the fruits. Vallisneria plants generally bloom in summer and autumn, and the fruits gradually develop and mature, and the above-ground part gradually rots in winter, the female flower stem rots, and the fruit connected therewith falls off, due to the buoyancy and the lifting of the remaining plant leaves, generally floats on the water surface for a period of time, and then gradually sinks to the bottom of the water, and the pericarp gradually rots and degrades, and the seeds are released. In the spring of the following year, the temperature gradually rises, and the seeds germinate. Sexual reproduction is an important propagation method of Vallisneria plant, which is beneficial to maintain genetic diversity and population stability. Vallisneria is also the most commonly used submerged plant in water ecological restoration at present, and the market demand is large, therefore, sufficient fruits need to be collected in time in scientific research, especially engineering seedling raising. Since the fruits of Vallisneria mature at low temperature, manual collection in water is cold and inefficient. CONTENT
[0003] The utility model provides a kind of portable Vallisneria fruit field collection device to solve the technical problems of low Vallisneria fruit collection efficiency and inconvenient operation of existing.
[0004] To solve the above technical problems, the utility model adopts the following technical scheme:
[0005] A kind of portable Vallisneria fruit field collection device is designed, including connecting rod and scoop net, the scoop net is connected at the end of connecting rod;The connecting rod is telescopic structure, and is spliced by at least two connecting rod units, the connecting rod unit is cylindrical structure, and the preceding connecting rod unit is sleeved in the following connecting rod unit, and locking mechanism is arranged between adjacent connecting rod units;The scoop net includes annular support and net body fixed on annular support, the annular support is tubular structure, and installation slot is arranged at bottom, and the net body top is provided with flexible connecting ring, which is connected in the annular support and the net body passes through the installation slot.
[0006] Further, the locking mechanism includes outer ring hoop fixed at the end of the following connecting rod unit, and the preceding connecting rod unit passes through the outer ring hoop, and the lower part of the outer ring hoop has side thread and side cut, and the side thread is connected with fixed ring hoop, and the fixed ring hoop is used to make the side cut contract to make the outer ring hoop tightly fix the preceding connecting rod unit.
[0007] Further, the outer ring and the last section of the connecting rod unit are threadedly connected, the diameter of the front end of the last section of the connecting rod unit is larger than the diameter of the front end of the last section of the connecting rod unit and is smaller than the diameter of the rear end of the last section of the connecting rod unit.
[0008] Further, the middle part of the ring-shaped support is provided with a mounting opening, a fixing clamp is mounted on the mounting opening, and a fixing screw is arranged on the fixing clamp and used for fixing the net body.
[0009] Further, the fixing clamp is sleeved on the ring-shaped support, and a screw hole corresponding to the fixing screw is arranged on the ring-shaped support.
[0010] Further, the fixing clamp is sleeved on the ring-shaped support, and a screw hole corresponding to the fixing screw is arranged on the ring-shaped support.
[0011] Further, the middle part of the ring-shaped support is provided with a mounting opening, a fixing clamp is mounted on the mounting opening, and a fixing screw is arranged on the fixing clamp and used for fixing the net body.
[0012] Further, the middle part of the ring-shaped support is provided with a mounting opening, a fixing clamp is mounted on the mounting opening, and a fixing screw is arranged on the fixing clamp and used for fixing the net body.
[0013] Compared with the prior art, the beneficial technical effects of the utility model are that:
[0014] (1) The utility model can adjust the length of the telescopic connecting rod according to the water depth of the sampling area, use the dip net to catch the fruits of the Vallisneria plant, has light device quality, small cost, and is suitable for collecting the fruits of the Vallisneria plant from the water bottom or the water surface.
[0015] (2) The telescopic connecting rod and the dip net of the utility model are convenient to install, disassemble and clean, have firm structure, can replace the dip net with different hole diameters or sizes, are convenient to carry after being stored, and thus are suitable for collecting the fruits of the Vallisneria plant in the field. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of the collecting device of the utility model.
[0017] Figure 2 It is a connecting schematic view of the connecting rod unit of the utility model.
[0018] Figure 3 It is Figure 1 It is an enlarged view of the middle A.
[0019] Figure 4 It is a structural schematic view of the dip net of the utility model.
[0020] Figure 5 It is a mounting schematic view of the net body of the utility model.
[0021] In the figure, connecting rod 1, connecting rod unit 101, front connecting rod unit 102, rear connecting rod unit 103, outer hoop 104, side thread 105, side cutout 106, fixed hoop 107, skimmer 2, ring support 201, net body 202, mounting seam 203, flexible connecting ring 204, fixed clamp 205, fixed screw 206, vertical zipper 207, mounting bolt 208, filter screen 209, ring zipper 210. DETAILED DESCRIPTION
[0022] The specific embodiments of the present application will be described below in conjunction with the accompanying drawings and examples, but the following examples are only used to illustrate the present application in detail, and do not limit the scope of the present application in any way.
[0023] Example 1: A portable Vallisneria fruit field collection device, see Figures 1 to 5 , comprising a connecting rod 1 and a skimmer 2, the skimmer 2 is connected to the end of the connecting rod 1. Wherein the connecting rod 1 is a telescopic structure, which is spliced by at least two connecting rod units 101, the connecting rod unit 101 is a cylindrical structure, with the end of the skimmer 2 as the front end, see Figure 2 , the front connecting rod unit 102 is sleeved in the rear connecting rod unit 103, and the locking mechanism is arranged between the adjacent connecting rod units 101.
[0024] The locking mechanism comprises an outer hoop 104 fixed at the end of the rear connecting rod unit 103, the front connecting rod unit 102 passes through the outer hoop 104, the lower part of the outer hoop 104 has a side thread 105 and a side cutout 106, and the front connecting rod unit 102 is sleeved with a fixed hoop 107. During use, the fixed hoop 107 is tightened at the side thread 105, which can make the side cutout 106 shrink to press the front connecting rod unit 102 tightly. The outer hoop 104 and the rear connecting rod unit 103 are threadedly connected at the end, which facilitates disassembly and assembly. The diameter of the end of the front connecting rod unit 102 is larger than the diameter of the front end of the rear connecting rod unit 103 to prevent the front connecting rod unit 102 from sliding out, and the diameter of the end of the front connecting rod unit 102 is smaller than the diameter of the end of the rear connecting rod unit 103 to enable the front connecting rod unit 102 to be inserted from the end of the rear connecting rod unit 103.
[0025] The connecting rod 1 is made of thickened 201 stainless steel, which is light in weight, strong in bearing capacity, and can be arbitrarily shortened or lengthened through the locking mechanism, and is firm and durable. In this embodiment, the connecting rod 1 is selected to be 5 meters long, and different lengths can also be selected according to the field environment conditions, such as 1.5 meters to 10 meters commonly used. The end of the connecting rod 1 is sleeved with a rubber handle, which is comfortable and slip-resistant. The telescopic rod of 5 meters is only about 1.2 meters in length when retracted, and about 4.8 meters in length when extended, and the weight is generally not more than 1 kg.
[0026] The dip net 2 comprises a ring-shaped support 201 and a net body 202 fixed on the ring-shaped support 201, the ring-shaped support 201 is in a tubular structure, and a mounting slot 203 is arranged at the bottom, the top end of the net body 202 is connected with a flexible connecting ring 204, the flexible connecting ring 204 is connected in the ring-shaped support 201 and the net body 202 passes through the mounting slot 203. A mounting opening is arranged in the middle of the ring-shaped support 201, and the corresponding flexible connecting ring 204 is also provided with an opening, a fixing clamp 205 is mounted on the mounting opening of the ring-shaped support 201, and fixing screws 206 are arranged on both sides of the fixing clamp 205 for fixing the net body 202. In order to facilitate installation, a vertical zipper 207 is arranged below the fixing clamp 205 in the middle of the net body 202, so that the net body 202 can be opened, and the flexible connecting ring 204 can be inserted into the mounting opening on the ring-shaped support 201.
[0027] In order to enhance the stability, the fixing clamp 205 is sleeved on the ring-shaped support 201, screw holes corresponding to the fixing screws 206 are arranged on the ring-shaped support 201, and the ring-shaped support 201, the fixing clamp 205 and the net body 202 can be fixed by screws. A mounting bolt 208 is further arranged on the fixing clamp 205 in the middle, and a bolt hole corresponding to the mounting bolt is arranged at the front end of the connecting rod unit in the first section, the bolt hole is a general screw hole with a diameter of 8 mm, and the connecting rod 1 and the dip net 2 are detachably connected in a threaded manner.
[0028] As a further improvement, a filter screen 209 is arranged in the middle of the net body 202, and the filter screen 209 and the inner surface of the net body 202 are detachably connected by a ring-shaped zipper 210. The pore diameter of the filter screen 209 is greater than the diameter of the fruit, and the pore diameter of the net body 202 is smaller than the diameter of the fruit. When the fruit is shaken and washed, large impurities (such as grass and leaves) can be filtered out, and the fruit can be directly obtained by removing the filter screen.
[0029] The ring-shaped support 201 of the dip net 2 is made of titanium alloy, which is light in weight, anti-falling and pressure-resistant. The diameter of the ring-shaped support 201 is generally 40 cm, which is in a trapezoidal shape with a wide front and a narrow back, and the middle of the lower part is a net head. The net body 202 is in a trapezoidal structure with a wide top and a narrow bottom, which is convenient for fruit collection. The net body 201 is a mesh net bag made of nylon, which is quick in water cutting, quick in drying, anti-hanging, solid and durable. The depth of the net body is about 30 cm, and the diameter of the mesh is about 4 mm. According to the position and number of target fruits, a large mesh net bag or a larger net bag can be replaced. The dip net 2 can not only catch the fruits floating on the water surface, but also salvage the fruits that have sunk to the bottom and have not rotted. After shaking and washing the bottom mud, the fruits can be collected.
[0030] The utility model has made the detailed explanation in combination with the drawings and the embodiment above, but, the technical personnel of the technical field can understand that, under the premise of not departing from the tenet of the utility model, still can change each concrete parameter in the above-mentioned embodiment, forms multiple concrete embodiments, all are the common change range of the utility model, do not repeat the detailed description here.
Claims
1. A portable field collection device for fruits of the genus Vallisneria, characterized in that: The device includes a connecting rod and a landing net, with the landing net connected to the end of the connecting rod. The connecting rod is a telescopic structure, composed of at least two connecting rod units spliced together. Each connecting rod unit is a cylindrical structure, with one connecting rod unit nested inside the next. A locking mechanism is provided between adjacent connecting rod units. The landing net includes an annular support and a net body fixed on the annular support. The annular support is a tubular structure with an installation seam at the bottom. A flexible connecting ring is provided at the top of the net body, which is connected inside the annular support and through which the net body passes.
2. The portable field collection device for fruits of the *Vallisneria* genus according to claim 1, characterized in that: The locking mechanism includes an outer ring clamp fixed to the end of the rear link unit, through which the front link unit passes. The lower part of the outer ring clamp has a side thread and a side cut. A fixing ring clamp is connected to the side thread. The fixing ring clamp is used to contract the side cut so that the outer ring clamp presses and fixes the front link unit.
3. The portable field collection device for fruits of the *Vallisneria* genus according to claim 2, characterized in that: The outer ring is threaded to the end of the next connecting rod unit. The diameter of the end of the previous connecting rod unit is greater than the diameter of the front end of the next connecting rod unit but less than the diameter of the end of the next connecting rod unit.
4. The portable field collection device for fruits of the Vallisneria genus according to claim 1, characterized in that: The annular bracket has an installation opening in the middle, a fixing clip is installed on the installation opening, and a fixing screw is provided on the fixing clip to fix the net body.
5. The portable field collection device for fruits of the Vallisneria genus according to claim 4, characterized in that: The fixing clip is fitted onto the annular bracket, and the annular bracket is provided with screw holes corresponding to the fixing screws.
6. The portable field collection device for fruits of the Vallisneria genus according to claim 5, characterized in that: The fixing clamp is also provided with mounting bolts, and the front end of the first link unit is provided with bolt holes corresponding to the mounting bolts.
7. The portable field collection device for fruits of the *Vallisneria* genus according to claim 1, characterized in that: A filter screen is provided in the middle of the mesh body, and the filter screen and the inner surface of the mesh body are detachably connected by a zipper.
8. The portable field collection device for fruits of the Vallisneria genus according to claim 1, characterized in that: The mesh has a trapezoidal structure that is wider at the top and narrower at the bottom.