CN202535939U - Special casting net for catching small-size fish - Google Patents
Special casting net for catching small-size fish Download PDFInfo
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- CN202535939U CN202535939U CN2012201350850U CN201220135085U CN202535939U CN 202535939 U CN202535939 U CN 202535939U CN 2012201350850 U CN2012201350850 U CN 2012201350850U CN 201220135085 U CN201220135085 U CN 201220135085U CN 202535939 U CN202535939 U CN 202535939U
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- fish
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Abstract
The utility model relates to a special casting net for catching small-size fish. The casting net is a double-layer nylon net and consists of a pulling rope, an outer net, an inner net and a string bag, wherein the string bag is positioned between the inner net and the outer net, the bottom of the outer net and the bottom of the inner net are connected through the string bag arranged between the inner net and the outer net, foam marks are arranged on the outer net, the top end and the periphery of the inner net are provided with horn-shaped fish inlets, connecting parts of the horn-shaped fish inlets and the inner net are connected with small lead weights, and the bottom end of the inner net is provided with large lead weights. The special casting net has the advantages that the casting net provided by the utility model adopts the double-layer nylon net, through the special design, large fishes can be effectively sifted out, small fishes can be caught, meanwhile, in the net pulling process, small-size fishes can be effectively netted, the escape of the small-size fishes cannot occur, convenience is provided for catching small-size fishes in scientific research and experiments, the different-pool culture of small and large fish is often required in the actual culture process, and the casting net can perfectly come in handy.
Description
Technical field
The utility model relates to a kind of aquatic product fishery instrument, specifically, is to be exclusively used in the casting net of small fishes that net is caught pond culture.
Background technology
Existing manually spread fishnet, be through two hands cooperate flexibly brandish after, above the water surface, form the shape of nearly coniform net, rely on net bottom limit iron to weigh down the sinking principle again, will net pulling and be sunken to sediment of pond, fish will be by circle firmly.Rely on rope that net is pulled on bank, rely on the net bottom limit string bag that the fish pocket is gone out the water surface.For example existing raising together with often raised together with crucian, silver carp and bighead in the fish pond; In order to test the perhaps needs of artificial screening; We often need net to take a tonic or nourishing food to build up one's health and grow the crucian in the fish pond; Just there are a lot of drawbacks in traditional manually casting net this moment, will the non-object of fishing for like meeting: silver carp, bighead all fill, and the fish that in the process of drawing in the net, can occur catching escape.
One Chinese patent application CN201995477U discloses a kind of safe fishnet; Comprise fishnet and handle, described handle is provided with a longitudinal rail, and sliding in the said guide rail is provided with a handle; The bottom of handle is connected with a guard; Described guard is movably arranged on the fishnet upper opening portion, and described fishnet one lateral edges is provided with a baffle plate, mainly solves traditional fishnet and fishes for the problem that the small fish macrura reevesii shakes off easily.One Chinese patent application CN101564016B discloses the method for the comprehensively sampling of small fishes in shallow water, adopts and draws net, block, bamboo pole, silk screen and ground cage, is used for the comprehensively sampling of small fishes in shallow water.But specially catch casting net of small-sized fish and also do not appear in the newspapers at present about a kind of.
Summary of the invention
The purpose of the utility model is that a kind of casting net of small-sized fish of specially catching is provided.
For realizing above-mentioned purpose; The technical scheme that the utility model is taked is: a kind ofly specially catch casting net of small-sized fish; Described casting net is the double-layer nylon net, is made up of the string bag between stay cord, outer net, Intranet and the intranet and extranet, and the bottom of described outer net and Intranet links to each other through the string bag between the intranet and extranet; The described outer foam symbol that is provided with on the net; The top of described Intranet and be provided with the trumpet type fish inlet all around, the junction of described trumpet type fish inlet and Intranet is provided with little plummet, and the Intranet bottom is provided with big plummet.
Be trumpet type after described trumpet type fish inlet is opened fully, end face that diameter is bigger and Intranet at grade, remainder stretches to outer net, the less end face of diameter and is provided with cotton rope and links to each other with outer net between intranet and extranet.
The both ends of the surface diameter of described trumpet type fish inlet is respectively 20-25cm and 6-8cm.
The weight of described little plummet is 3-5g, and the weight of described big plummet is 15-20g.
Described outer net and stay cord connecting place are provided with the knot of becoming less severe.
The utility model advantage is:
1, casting net of the utility model used the double-layer nylon net instead, through particular design, can eliminate large-scale fish effectively, catches small fishes, in the process of drawing in the net, can effectively catch small fishes simultaneously, the escape of small fishes can not occur;
2, catch small fishes for scientific experiment and provide convenience, in actual breeding process, often need big small fish to divide the pool to culture, casting net of the utility model can fine using.
Description of drawings
Accompanying drawing 1 is the existing structural representation that manually spreads fishnet.
Accompanying drawing 2 is a kind of structural representations of casting net of specially catching small-sized fish of the utility model.
Embodiment
Below in conjunction with embodiment and with reference to accompanying drawing the utility model is further described.
The Reference numeral and the part that relate in the accompanying drawing are as follows:
1. stay cord 2. taper nylon wires
3. the string bag 4. iron weigh down
5. outer net 6. Intranets
7. the string bag between the intranet and extranet 51. knot of becoming less severe
52. foam accords with 61. trumpet type fish inlets
62. little plummet 63. big plummets
611. cotton rope
Have now and manually spread fishnet, please with reference to accompanying drawing 1, accompanying drawing 1 is the existing structural representation that manually spreads fishnet.The existing fishnet that manually spreads is made up of stay cord 1, taper nylon wire 2, the string bag 3 and iron bob 4; Be through two hands cooperate flexibly brandish after, above the water surface, form the shape of nearly coniform net, rely on net bottom limit iron to weigh down 4 sinking principles again; To net pulling and be sunken to sediment of pond, fish will be lived by circle.Rely on stay cord 1 that net is pulled on bank, rely on the net bottom limit string bag 3 that the fish pocket is gone out the water surface.For example existing raising together with often raised together with crucian, silver carp and bighead in the fish pond; In order to test the perhaps needs of artificial screening; We often need net to take a tonic or nourishing food to build up one's health and grow the crucian in the fish pond; Just there are a lot of drawbacks in traditional manually casting net this moment, will the non-object of fishing for like meeting: silver carp, bighead all fill, and the fish that in the process of drawing in the net, can occur catching escape.
The purpose of the utility model is in raising together with the fish pond, and small fishes is caught up, eliminates the large-scale fish of non-capture object, and guarantees that the small fishes of catching can not escape in the process of drawing in the net.
Please with reference to accompanying drawing 2, accompanying drawing 2 is a kind of structural representations of casting net of specially catching small-sized fish of the utility model.Described specially to catch casting net of small-sized fish be the double-layer nylon net, is made up of the string bag 7 between stay cord 1, outer net 5, Intranet 6 and the intranet and extranet, and the bottom of described outer net 5 and Intranet 6 links to each other through the string bag between the intranet and extranet 7.Described stay cord 1 is identical with stay cord of the prior art, is used to draw the fishnet disembarkation.Described outer net 5 all is a nylon wire with Intranet 6, is coniform after in water, opening.Described outer net 5 is provided with the knot 51 of becoming less severe with stay cord 1 connecting place, is convenient to after fishnet is pulled on bank, unclamp the knot 51 of becoming less severe, and conveniently gets fish.Described outer net 5 is provided with foam symbol 52, and purpose is to let outer net 5 in water, be taper shape open.Described Intranet 6 bottoms are provided with big plummet 63, and the sinking through big plummet 63 is sunken at the bottom of the pond under can making and casting net rapidly.The weight of described big plummet is 15-20g.
Need to prove; The top of described Intranet 6 and be provided with several trumpet type fish inlets 61 all around is trumpet type after described trumpet type fish inlet 61 is opened fully, and end face that diameter is bigger and Intranet 6 are at grade; Remainder stretches to outer net 5; The less end face of diameter and is provided with cotton rope 611 and links to each other with outer net between intranet and extranet, to guarantee Intranet 6 and trumpet type fish inlet 61 all open-shaped attitude in water; The junction of trumpet type fish inlet 61 and Intranet 6 is provided with the little plummet 62 of heavily about 3-5g simultaneously; Through the sinking of little plummet 62 and the buoyancy of foam symbol 52, can guarantee has enough spaces between Intranet 6 and the outer net 5, and trumpet type fish inlet 61 can fully open again simultaneously.The diameter of described trumpet type fish inlet 61 will guarantee that small-sized fish can pass through, and large-scale fish can't pass through.The both ends of the surface diameter of described trumpet type fish inlet 61 is respectively 20-25cm and 6-8cm.Described big plummet 63 is in the layout of the Intranet bottom continuously, guarantees to enclose and firmly fishes for object.
Need to prove that though be provided with foam symbol 52 on casting net, its purpose just lets outer net 5 open, keep enough spaces simultaneously between the intranet and extranet, the gravity of casting net in water will be far longer than buoyancy, can sink at the bottom of the pond rapidly so that cast net.
In the operating process of the utility model, be through two hands cooperate flexibly brandish after, above the water surface, form the shape of nearly coniform net, rely on the sinking of the big plummet 63 in Intranet 6 bases again, will net pulling and be sunken to rapidly at the bottom of the pond, fish will be by Intranet 6 circles firmly.Utilize the buoyancy of foam symbol 52 and the action of gravity of little plummet 62 that Intranet 6 and outer net 5 are opened in water simultaneously, guarantee that trumpet type fish inlet 61 stretches smoothly.When fishnet is sprinkled in the fish pond smoothly, the fish of being enclosed then can escape owing to get a fright; Small fishes can be escaped between the intranet and extranet through trumpet type fish inlet 61; Large-scale fish then can't pierce, can only be trapped at the bottom of Intranet 6 and the pond between, simultaneously because the horn-like design of fish inlet; Small-sized fish then can't escape from through trumpet type fish inlet 61 after getting between the intranet and extranet again, can only be trapped between the string bag 7 between intranet and extranet and the intranet and extranet.After fishnet was pulled away from the bottom of the pond, the large-scale fish between at the bottom of stranded and Intranet 6 and the pond directly escaped, and small fishes then is hunted down.The bell place of outer net 5 design is simultaneously become less severe and is tied 51, conveniently gets fish.
The double-layer nylon net is used in casting net of the utility model instead, through particular design, can eliminate large-scale fish effectively, catches small fishes, in the process of drawing in the net, can effectively catch small fishes simultaneously, the escape of small fishes can not occur.
The utility model a kind of specially catches casting net of small-sized fish and catches small fishes for scientific experiment and provide convenience; In actual breeding process, often need big small fish to divide the pool to culture, casting net of the utility model can fine using.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Some improvement be can also make and these improvement and the additional protection domain that also should be regarded as the utility model replenished.
Claims (5)
1. specially catch casting net of small-sized fish for one kind, it is characterized in that, described casting net is the double-layer nylon net; The string bag by between stay cord, outer net, Intranet and the intranet and extranet is formed; The bottom of described outer net and Intranet links to each other through the string bag between the intranet and extranet, the described outer foam symbol that is provided with on the net, the top of described Intranet and be provided with the trumpet type fish inlet all around; The junction of described trumpet type fish inlet and Intranet is provided with little plummet, and the Intranet bottom is provided with big plummet.
2. according to claim 1 casting net is characterized in that, is trumpet type after described trumpet type fish inlet is opened fully; End face that diameter is bigger and Intranet are at grade; Remainder stretches to outer net, and the less end face of diameter and is provided with cotton rope and links to each other with outer net between intranet and extranet.
3. according to claim 2 casting net is characterized in that, the both ends of the surface diameter of described trumpet type fish inlet is respectively 20-25cm and 6-8cm.
4. according to claim 1 casting net is characterized in that, the weight of described little plummet is 3-5g, and the weight of described big plummet is 15-20g.
5. according to claim 1 casting net is characterized in that, described outer net and stay cord connecting place are provided with the knot of becoming less severe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201350850U CN202535939U (en) | 2012-04-01 | 2012-04-01 | Special casting net for catching small-size fish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201350850U CN202535939U (en) | 2012-04-01 | 2012-04-01 | Special casting net for catching small-size fish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202535939U true CN202535939U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201350850U Expired - Fee Related CN202535939U (en) | 2012-04-01 | 2012-04-01 | Special casting net for catching small-size fish |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202535939U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106659147A (en) * | 2014-08-21 | 2017-05-10 | 朴春宣 | Fish trap |
| CN106719481A (en) * | 2016-12-06 | 2017-05-31 | 浙江省海洋水产研究所 | A kind of Eco-friendly Trawl gear Choice tests device |
| CN108244011A (en) * | 2018-01-05 | 2018-07-06 | 舟山海大中源海洋科技有限公司 | It is a kind of based on the purse seine method for entrapping for feeding trapping |
| CN109730041A (en) * | 2019-03-10 | 2019-05-10 | 杭州林迪德瑞科技有限公司 | Intelligent trawling gear and method |
| CN109769759A (en) * | 2019-02-21 | 2019-05-21 | 浙江省海洋水产研究所 | Choice tests netting gear and method |
| CN110952547A (en) * | 2019-11-25 | 2020-04-03 | 河海大学 | Suction bucket type underwater piling noise reduction device and construction method thereof |
-
2012
- 2012-04-01 CN CN2012201350850U patent/CN202535939U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106659147A (en) * | 2014-08-21 | 2017-05-10 | 朴春宣 | Fish trap |
| CN106719481A (en) * | 2016-12-06 | 2017-05-31 | 浙江省海洋水产研究所 | A kind of Eco-friendly Trawl gear Choice tests device |
| CN108244011A (en) * | 2018-01-05 | 2018-07-06 | 舟山海大中源海洋科技有限公司 | It is a kind of based on the purse seine method for entrapping for feeding trapping |
| CN108244011B (en) * | 2018-01-05 | 2020-10-13 | 舟山海大中源海洋科技有限公司 | Seine trapping method based on feeding trapping |
| CN109769759A (en) * | 2019-02-21 | 2019-05-21 | 浙江省海洋水产研究所 | Choice tests netting gear and method |
| CN109730041A (en) * | 2019-03-10 | 2019-05-10 | 杭州林迪德瑞科技有限公司 | Intelligent trawling gear and method |
| CN109730041B (en) * | 2019-03-10 | 2021-06-15 | 杭州林迪德瑞科技有限公司 | Intelligent trawl apparatus and method |
| CN110952547A (en) * | 2019-11-25 | 2020-04-03 | 河海大学 | Suction bucket type underwater piling noise reduction device and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20130401 |