CN220823853U - Zooplankton collection system - Google Patents

Abstract

The utility model relates to a zooplankton collecting device, which comprises a collecting main body, wherein the upper end of the collecting main body is connected with a floating mechanism, the collecting main body comprises a netting, the netting is composed of a columnar collecting part and a conical filtering part, the mesh inner diameter of the collecting part is larger than that of the filtering part, so that zooplankton can pass through the collecting part but cannot enter and exit the netting through the filtering part, and a shielding cover which is attached to the collecting part and covers the mesh of the collecting part is arranged on the periphery of the collecting part in a sliding manner. This zooplankton collection system has enlarged the area that collection system can supply the zooplankton to get into through setting up the collection portion that can get into the zooplankton to increased the efficiency of gathering the zooplankton, simultaneously through setting up mobilizable shielding cover, guarantee the collection area when gathering, when salvaging, stop the zooplankton and fall out, guarantee device normal use.

Description

Zooplankton collection system

Technical Field

The utility model relates to the technical field of zooplankton, in particular to a zooplankton collecting device.

Background

Zooplankton harvesting devices are commonly used for the harvesting and collection of zooplankton in a body of water for subsequent research, farming, or other uses. There are generally the following two types, 1. Bucket-type netting device: consists of a basket and a handle. The operator dips the basket into the water, trapping zooplankton within the basket by rapidly lifting and closing the basket mouth. The principle of the device is too simple, the single fishing effect is poor, the efficiency of multiple fishing operations is low, and 2. The vertical net fishing device: is a vertically suspended basket, one end of which is fixed on a buoy or a buoyancy device, and the other end of which is suspended in water. Zooplankton naturally enter the basket, and after the zooplankton is placed for a period of time, the basket opening is closed to trap the zooplankton. For example, chinese patent specification with the patent number 202121880816x discloses that: the light source attracts zooplankton, the net cover can block small fish and allow the zooplankton to enter the collecting device, and the net cover with meshes slightly smaller than those of the zooplankton can filter out the zooplankton and leave the zooplankton, so that the design improves certain collecting efficiency.

However, the above design has the following problems that the zooplankton is trapped by the light source, the light source diverges through the net cover and the net cover, the zooplankton is attracted and gathered to the net cover and the net cover, but the zooplankton can only enter the collecting device through the net cover and can not pass through the net cover with smaller meshes, thus the collecting efficiency is definitely reduced, and therefore, the zooplankton collecting device is provided to solve the problems.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a zooplankton collecting device, which has the advantage of high collecting efficiency and solves the technical problem that the collecting efficiency needs to be improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a zooplankton collection system, includes gathers the main part, gathers the main part upper end and is connected with floating mechanism, gathers the main part and includes the netting, the netting comprises columnar collection portion and conical filter unit, the mesh internal diameter of collection portion is greater than the mesh internal diameter of filter unit to make zooplankton accessible collection portion but unable business turn over netting by filter unit, collection portion periphery slip is provided with and gathers the laminating of portion and cover its mesh shelter from the cover.

Further, the shielding cover is provided with a sliding block on the inner side, the periphery of the collecting part is fixedly connected with a mounting column, a sliding groove is formed in the mounting column, the sliding block is arranged in the sliding groove in a sliding mode, the end portion of the sliding block is provided with a limiting part, a limiting part is arranged in the sliding groove, and locking fit can be formed when the limiting part is in contact with the limiting part.

Further, the limiting piece is an elastic arc piece, and when the sliding block slides to the elastic arc piece, the limiting part props against the elastic arc piece, so that the sliding block and the sliding groove form interference fit.

Further, the limiting part is a magnet, and the limiting part is made of metal which can form magnetic attraction fit with the magnet.

Further, the lower end of the filter part is provided with an opening which is communicated with a storage bin with a valve.

Further, the upper opening of the netting is detachably connected with a net cover.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this zooplankton collection system has enlarged the area that collection system can supply the zooplankton to get into through setting up the collection portion that can get into the zooplankton to increased the efficiency of gathering the zooplankton, simultaneously through setting up mobilizable shielding cover, guarantee the collection area when gathering, stop the zooplankton when salvaging and fall out, guarantee device normal use.

Drawings

FIG. 1 is a reference diagram of the use state of the present utility model;

FIG. 2 is a partial reference view of the present utility model in an unused state;

FIG. 3 is a schematic view of a shield structure according to the present utility model;

FIG. 4 is a reference diagram showing the cooperation of the sliding chute and the sliding block in the present utility model;

FIG. 5 is a schematic view of a slider structure according to the present utility model.

In the figure: 1. a steel ring; 2. a net cover; 3. a connecting rope; 4. a float; 5. a netting; 51. a filtering part; 6. a shielding cover; 61. a slide block; 62. a limit part; 63. a groove; 7. a mounting column; 71. a chute; 8. and (5) a storage bin.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-2, a zooplankton collecting device in the present application includes a collecting main body, a floating mechanism is connected to an upper end of the collecting main body, the collecting main body includes a net 5, the net 5 is composed of a columnar collecting portion and a conical filtering portion 51, an inner diameter of a mesh of the collecting portion is larger than an inner diameter of a mesh of the filtering portion 51, so that zooplankton can pass through the collecting portion but cannot pass in and out of the net 5 through the filtering portion 51, and a shielding cover 6 attached to the collecting portion and covering meshes of the collecting portion is slidably provided on an outer periphery of the collecting portion.

The device comprises a telescopic connecting rope 3 connected to a steel ring 1, wherein a floating mechanism for enabling the whole device to float in a water body is formed by connecting a buoy 4 at the upper end of the connecting rope 3, zooplankton is collected by a collecting main body, and a suction piece is arranged in the collecting main body and used for trapping the zooplankton, wherein the suction piece can be a light source or a chemical substance or hormone with chemotaxis to the zooplankton;

The net 5 upper opening and steel ring 1 fixed connection gathers zooplankton through net 5 upper opening and collection portion, further, net 5 upper opening part detachable is connected with net lid 2, because fish volume is greater than the zooplankton, therefore the device can further isolate fish through net lid 2, promote the collection precision, filter the zooplankton through filter unit 51, this design makes net 5 lateral part and upper opening can get into the zooplankton simultaneously, the efficiency of gathering the zooplankton has been increased, set up shielding cover 6 that can reciprocate simultaneously, when gathering, upwards remove shielding cover 6, make shielding cover 6 no longer shelter from the mesh, make zooplankton accessible collection portion get into in the collection main part, when salvaging, down reset shielding cover 6, shelter from the mesh of collection portion, it falls out to stop the zooplankton, this design has ensured that the device normal use when increasing the entry.

Referring to fig. 3-5, a sliding block 61 is disposed on the inner side of the shielding cover 6, a mounting post 7 is fixedly connected to the periphery of the collecting portion, a sliding groove 71 is formed in the mounting post 7, the sliding block 61 is slidably disposed in the sliding groove 71, a limiting portion 62 is disposed at the end of the sliding block 61, a limiting member is disposed in the sliding groove 71, and locking fit can be formed when the limiting portion 62 abuts against the limiting member.

The device plays a role in connecting the shielding cover 6 by arranging the mounting column 7 fixedly connected with the collecting part, the sliding block 61 of the shielding cover 6 is arranged in the sliding groove 71 of the mounting column 7 in a sliding way, as can be appreciated, the inner side of the shielding cover 6 is provided with the groove 63 matched with the mounting column 7, the sliding block 61 is fixed in the groove 63, the groove 63 of the shielding cover 6 can accommodate the mounting column 7, so that the shielding cover 6 is tightly attached with the netting 5, the effect of shielding meshes is ensured, the shielding cover 6 needs to slide upwards when collecting and is positioned when reaching the target height, and does not slide downwards any more, the device meets the working requirement, and the position of the fixed shielding cover 6 meets the working requirement by arranging the limiting piece in the sliding groove 71 and the limiting part 62 of the sliding block 61, and the application provides the following two preferred embodiments:

Preferably, the limiting piece is an elastic arc piece, and when the sliding block 61 slides to the elastic arc piece, the limiting part 62 props against the elastic arc piece, so that the sliding block 61 and the sliding groove 71 form interference fit.

In this embodiment, when the sliding block 61 slides to the elastic piece, the elastic piece is compressed, and elastic potential energy provided by deformation of the elastic piece enables the limiting part 62 of the sliding block 61 to form interference fit with the elastic piece, so that locking is realized, and external force is manually applied after salvaging to reset the shielding cover 6.

Preferably, the limiting member is a magnet, and the limiting portion 62 is made of metal that can form a magnetic attraction fit with the magnet.

This embodiment achieves locking by providing a magnet such that when the slider 61 is slid to the desired position, the magnet forms a magnetic attraction fit with the stopper 62.

Further, the lower end of the filtering part 51 is provided with an opening which is communicated with a storage bin 8 with a valve.

The device opens the valve through setting up the storehouse 8 that stores that has the valve after salvaging, and the zooplankton can store and spill in the storehouse 8 promptly, is convenient for gather the back and collects the utilization zooplankton.

The working principle of the embodiment is as follows:

When the device is used, the shielding cover 6 slides upwards and is positioned to expose the acquisition part, the whole device is placed in a target water area, the floating mechanism enables the device to float in a water body, the attraction piece attracts zooplankton, the zooplankton enters the device through the acquisition part of the net cover 2 and the net cover 5, when the acquisition is completed, the shielding cover 6 resets downwards and then lifts the device, the shielding cover 6 shields meshes of the acquisition part, the zooplankton is prevented from leaking out of the shielding part, when the zooplankton is needed to be utilized, a valve is opened, the zooplankton leaks, the device improves the acquisition efficiency, and the purpose of convenient use is achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a zooplankton collection system, includes the collection main part, gathers main part upper end and is connected with floating mechanism, its characterized in that: the collecting main body comprises a netting (5), the netting (5) is composed of a columnar collecting part and a conical filtering part (51), the mesh inner diameter of the collecting part is larger than that of the filtering part (51), so that zooplankton can pass through the collecting part but cannot enter and exit the netting (5) through the filtering part (51), and a shielding cover (6) attached to the collecting part and covering the meshes of the collecting part is arranged on the periphery of the collecting part in a sliding mode.

2. A zooplankton harvesting device according to claim 1, wherein: the inside slider (61) that is provided with of shielding cover (6), collection portion periphery fixedly connected with erection column (7), set up spout (71) on erection column (7), slider (61) slip sets up in spout (71), and the tip of slider (61) is provided with spacing portion (62), is provided with the locating part in spout (71), can form locking cooperation when spacing portion (62) contradict with the locating part.

3. A zooplankton harvesting device according to claim 2, wherein: the limiting piece is an elastic arc piece, and when the sliding block (61) slides to the elastic arc piece, the limiting part (62) props against the elastic arc piece, so that the sliding block (61) and the sliding groove (71) form interference fit.

4. A zooplankton harvesting device according to claim 2, wherein: the limiting part is a magnet, and the limiting part (62) is made of metal which can form magnetic attraction fit with the magnet.

5. A zooplankton harvesting device according to claim 1, wherein: the lower end of the filtering part (51) is provided with an opening which is communicated with a storage bin (8) with a valve.

6. A zooplankton harvesting device according to claim 1, wherein: the upper opening of the net (5) is detachably connected with a net cover (2).