KR200344879Y1 - An Improved Float for Sea Fishing - Google Patents

Abstract

The present invention protects by equipping the inside of the bobber to replace the weight that determines the buoyancy and sinking force of the fishery bobber and the underwater bobber, and can easily change the shape of the underwater bobber according to the fishing environment. It is about.

Sea fishing bobber according to the present invention is a fixed nut which is installed inside the body having a buoyancy to penetrate the top and bottom to move the fishing line, and a fixed bolt coupled to the fixed nut through the top and bottom to move the fishing line; In the sea fishing bobber comprising a ring-type weight detachably coupled to the fixing bolt coupled to the fixing nut to adjust the overall buoyancy of the bobber, the fixed bolt (360) 460 to the ring-shaped weight (350) Receiving parts 361 and 461 having an upper center and an inner space are formed to allow the 450 to be stored or removed, and the fixing nut 360 is disposed around an outer circumference of the accommodating parts 361 and 461. A male thread 362 and 462 coupled to the female screw 341 and 441 formed in the inner side of the 460 is provided, and a fishing line 1 penetrates through the lower portion of the housing part 361 and 461. Balls 363 and 463 are provided. The.

Description

Improved Float for Sea Fishing {An Improved Float for Sea Fishing}

The present invention relates to a sea fishing bobber, and more specifically, to protect the buoyancy and sinking weight of the bobbin and submerged weight to be replaced inside the bobber to replace, it is easy to match the shape of the fishhook to the fishing environment To an improved sea fishing bobber that can be changed.

Reel bobber fishing, which is commonly used among sea fishing methods, is used after determining buoyancy and sinking power of fishhead according to the depth of the sea or the strength of birds.

Conventional aussin and underwater floats are selected by their buoyancy and subsidence depending on depth and algae strength.In case of using conventional aussin and underwater floats, surveys cut off the lines when the depth changes or the algae intensity changes. Eliminating the Assassin and Underwater Bobber and selecting the new Assassin and Underwater Bobber according to the situation at that time, the troublesome problem of installing in a single line and a lot of cost burden due to the purchase of a large number of Assassin and Underwater Fish occurred.

In order to solve this problem, the present applicant has proposed a Korean Patent No. 37639, "Floating and bobs for sea fishing adjustable buoyancy", Figure 1 is a domestic fishing patent for buoyancy and sinking power adjustable An exploded cross-sectional view of the bobber is shown, and FIG.

As shown in Figure 1 and 2, the applicant's registered patent is attached to the fishing line (1) and is provided with a certain weight at the lower portion of the body 31 having buoyancy to move floating on the water surface ( 30), as the bottom of the body 41 is provided with a certain weight is added to the bottom of the sea fishing bobber consisting of underwater bobber (40) to guide the fishing needle connected to the lower portion to descend into the water, Esinji (30) and underwater bobber ( 40 is provided with fixing nuts (34) and (44) fixed to the lower portion of the body (31) (41), and through parts (36a) (46a) through which the fishing line (1) can be penetrated in the center. Fixing bolts 36 and 46 coupled to the fixing nuts 34 and 44, and a cut portion through which fishing lines 1 can be formed at one side thereof, and fixing bolts 36 and 46 are fitted at the center thereof. At least one ring type is fitted to the lower portion of the body 31, 41 by the fixing nuts (34) (44) and the fixing bolts (36) (46) (35) and 45, including the relative shape of the fishery 30 and the fishery 40 by allowing the ring-shaped weights 35 and 45 of the fishery 30 and the fishery 40 to be interchangeably installed. The buoyancy and sinking force can be controlled. Therefore, the registered patent exchanges ring-shaped weights 35 and 45 coupled to the fishery fish 30 and the fishery fish 40, thereby adjusting the buoyancy and the settlement force of one fishery fish 30 and fishery fish 40. Only by providing an effect that can meet a variety of fishing environment.

However, the registered patent has a ring-shaped weight (35, 45) is the body 31 (by the fixing nut 34, 44 and fixing bolts 36, 46 of the fishery 30 and the hand 40) ( 41) when coupled to the lower outer side of the body 31, 41 did not give a good aesthetic feeling.

In addition, the underwater bobber will change its shape depending on the fishing environment.For example, the deep-sealed and fast-flowing algae are used for underwater bobbers that can be settled quickly due to less water resistance. The place is used to receive a submerged resistance of the water can be settled slowly to receive a lot of resistance, the patent does not reflect the consideration of the function to change the shape of the underwater.

Therefore, the present invention is devised to solve the above-mentioned conventional problems, an object of the present invention is to be coupled to the inside of the ring-shaped additional Ersinchi and handfish to determine the buoyancy and settlement of the fishery and fishery In addition, to provide an improved sea fishing bobber that can easily change the shape of the underwater bobber according to the fishing environment.

Improved sea fishing bobber according to the present invention for achieving the above object is a fixed nut is installed inside the body having a buoyancy through the top and bottom to move the fishing line, and the top and bottom through the fishing line to move the In the bobbin for sea fishing comprising a fixed bolt coupled to the fixing nut, and a ring-type weight detachably coupled to the fixing bolt coupled to the fixing nut to adjust the overall buoyancy of the bobber, the fixed bolt is the ring-type addition An upper portion of the upper portion is opened to be stored or removed so that an accommodating portion having a space therein is provided, and an outer circumference of the accommodating portion includes a male screw coupled to a female screw formed inside the fixing nut. A through hole is provided through which the fishing line passes.

The body is provided with a fixing nut fitting formed through the upper and lower portions so that the fixing nut can be detachably coupled.

A female thread is formed around the fixing nut fitting part, and an external thread is formed on the outer circumference of the fixing nut which is coupled to the fixing nut fitting part to be screwed together, or the upper outer side of the fixing nut detachably coupled to the fixing nut fitting part. There may be formed a ring for departure prevention.

In addition, the body is preferably provided with a temperature display for sensing and displaying the underwater temperature.

In addition, the receiving portion of the fixing bolt is provided with a pipe coupled to the upper support of the through hole, the pipe is connected to the through hole of the fixing bolt and the fixing nut when the fixing bolt and the fixing nut is connected to the fishing line You can guide them.

1 is an exploded cross-sectional view of a conventional sea fishing bobber that can adjust the buoyancy and settlement power,

Figure 2 is a combined cross-sectional view of the bobber for sea fishing with conventional buoyancy and sinking force adjustment,

3 is an exploded cross-sectional view of an improved sea fishing bobber according to the present invention,

4 is a combined cross-sectional view of the improved sea fishing bobber according to the present invention,

5 is a perspective view of the ring-shaped weight of the bobber for improved sea fishing according to the present invention,

6a to 6e is an example of a body formed in various shapes according to the present invention,

7a to 7e is a cross-sectional view of the hand bobbin coupled to the fixing nut and the fixing bolt to the body of Figures 6a to 6e,

8a is a state of use of the upper inflatable hand bobber according to the present invention,

8b is a state of use of slip type underwater bobber according to the present invention,

Figure 9a is an example of a hand float formed with a temperature display portion in the body according to the present invention,

9B is a front view showing a state in which a fixing nut and a fixing bolt are coupled to a body having a temperature display unit according to the present invention;

Figure 10a is an exploded cross-sectional view of the sea fishing bobber according to another embodiment of the present invention, Figure 10b is an exploded cross-sectional view of the fishery for fish fishing according to another embodiment of the present invention,

Figure 11a is an exploded cross-sectional view of the hand bobbin according to another embodiment of the present invention,

Figure 11b is a cross-sectional view of the hand bobbin according to another embodiment of the present invention, Figure 11c is an exploded cross-sectional view of the fish cake according to another embodiment of the present invention.

※ Explanation of codes for main parts of drawing

1: fishing line 2: hook

3: cotton yarn knot: 300

310: body 320: ring guide

330: pipe 340: fixing nut

341 female thread 342 through hole

350: ring type weight 351: circle feed port

352: incision 360: fixing bolt

361: accommodating part 362: male thread

363: through hole 364: tool groove

400: hand float 410: body

411: fixing nut fitting portion 412: temperature display

440: fixing nut 441: female thread

442: through hole 443: Hwante

450: ring weight 451: circular feed

452: incision 460: fixing bolt

461: housing 432: male thread

463: through hole 464: tool groove

465: Fante

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is an exploded cross-sectional view of the sea fishing bobber according to an embodiment of the present invention, Figure 4 is a combined cross-sectional view of the sea fishing bobber according to an embodiment of the present invention. In describing the embodiment of the present invention, the fishery fishery fishery fishery is a self-supporting hole fishery.

As shown in Figures 3 and 4, the eosinchi 300 according to the present invention is a circular body 310 made of a material that can float on the water, and the body 310 to pass through the fishing line (1) Cylindrical pipe 330 is installed through the center of the), the ring guide 320 is installed on the top of the pipe 330 to protect the raw line 1 passing through the pipe 330, and A fixing nut 340 inserted into and fixed to a lower end of the body 310, a fixing bolt 360 coupled to the fixing nut 340, and at least one fitting into an inner space of the fixing bolt 360. It comprises a ring weight (350).

A female screw 341 is formed inside the fixing nut 340 to be coupled with the fixing bolt 360, and a through hole through which the fishing line 1 passes through the pipe 330 of the body 310. 342 is formed.

An upper portion of the fixing bolt 360 is formed with an accommodating portion 361 having a space having a diameter in which a plurality of ring-shaped weights 350 can be accommodated inside the center, and the outer periphery of the accommodating portion 361 is fixed. A male screw 362 is formed to be screwed to the female screw 341 of the nut 340, and a through hole 363 is formed at a lower end of the receiving portion 361 to allow the fishing line 1 to pass therethrough, and a fixing bolt ( The head of the tool 360 is formed with a tool groove 364 so that the fixing bolt 360 can be easily coupled to and separated from the fixing nut 340 by a tool or a hand.

Euchin 300 can float on the water by the buoyancy of the body 310, the lower portion through the fixing nut 340, fixing bolt 360, ring-shaped weight 350 is installed on the lower end of the body 310 The weight is concentrated so that it is able to stand on the water like ottogi. The buoyancy of the fish cake 300 is determined by the weight or weight of the fixing nut 340, the fixing bolt 360, and the ring-shaped weight 350 according to the material or volume of the body 310.

The fixing nut 340, the fixing bolt 360, the ring-shaped weight 350 is preferably made of a material having a high specific gravity without being corroded by seawater and contaminating water, in the embodiment of the present invention, brass or stainless steel (Stainless Steel) was composed of the fixing nut 340, fixing bolt 360, ring-shaped weight (350).

Underwater bobber 400 is made of a body 410, a fixing nut 440, a fixing bolt 460, a ring-shaped weight (450) of the same material as the eosinchi 300. The hand bobber 400 has its own buoyancy of the body 410 is small, the fixing nut 440 and the fixing bolt 460 and the ring-shaped weight 450 coupled through the body 410 to the negative (-) It sinks in the water by forming a sinking force.

In the embodiment of the present invention, the body 410 of the hand bobber 400 is provided with a fixing nut fitting portion 411 formed to a diameter through which the fixing nut 440 can be detachably coupled to penetrate the upper and lower portions. The fixing nut 440 detachably fitted to the fixing nut fitting portion 411 of the body 410, and the diameter of the fixing bolt 460 and the ring-shaped weight 450 is coupled to the fixing nut 440 is By being configured in the same manner as the ausinchi 300, it is possible to interchange between the hand type 400 and the ring-shaped weight (350, 450) of the auxinchi 300. Here, the weights of the fixing nuts 340 and 440 and the fixing bolts 360 and 460 may be configured differently according to their buoyancy and sinking force. In addition, the outer rim of the fixing nut 440 and the lower outer circumference of the fixing bolt 460, the annulus 443, 465 is formed, the fixing nut 440 and the fixing bolt 460 is the body 410 When combined with the fixing nut fitting portion 411 of the) serves to prevent the engagement state is easily separated.

Meanwhile, the method of coupling the fixing nut fitting portion 411 and the fixing nut 440 of the body 410 may be variously modified. For example, a female screw may be formed and fixed inside the fixing nut fitting portion 411. A male screw may be formed on the outside of the nut 440 so that the nut 440 may be detachably coupled to each other through screwing.

Reference numeral 3 represents a cotton yarn knot for limiting the moving distance of the hand float 300 moving up and down on the fishing line (1), reference 2 is connected to the fishing line (1) and the collar connected to the fishing needle It shows a ring for.

5 is a perspective view showing a ring-shaped weight according to the present invention. These ring-shaped weights 350 and 450 may be used for both the fishery fish 300 and the fishery fish 400, and for convenience of description, hereinafter, the ring-shaped weights 350 will be described. do.

As shown in FIG. 5, the ring-shaped weight 350 has a central feeder 351 formed at the center thereof, and an incision 352 is formed at one side of the original feeder 351.

The feed line 351 is a path to which the fishing line 1 is inserted and moves up and down, and the cutout 352 is formed to have a length through which the fishing line 1 can easily pass. The cutout 352 is a fishing line when it is necessary to remove or add and replace the ring-shaped weight (350, 450) coupled to the body 310, 410 of the fishery 300 or fishery 400 After removing the fixing bolts 360 and 460 from the fixing nuts 340 and 440 of the bodies 310 and 410, the ring weights 350 and 450 can be easily removed or added. To help. The ring-shaped weight 350 is manufactured to distinguish the type according to the weight, in some cases using a plurality together.

The body 410 of the hand bobber 400 is made of various shapes can be selected and used according to the fishing environment, Figure 6a to 6e shows an example of the body shape of the hand float according to an embodiment of the present invention .

6a is a body 410 of the hand bobbin is made of a round shape is affected by a lot of algae, so the algae is used in a slow and shallow depth of the water, Figure 6b is used for a lot of when the bottom layer is slowly raised to the upper expansion type. , Figure 6c is a low-expansion type is widely used in the vortex zone to grab heavily in the bottom layer. In addition, Figure 6d is a fast-paced fast sinking the depth to the depth of the depth, it is useful when you are aiming for mainstream or deep points, Figure 6e is a slip-type focusing on fast acquisition to focus on a deeper point Used.

Since the body 410 of the underwater bobber 400 shown in FIGS. 6a to 6e is provided with fixing nut fitting portions 411 of the same diameter, the underwater bobbin of various shapes according to the fishing environment with only one fixing nut 440 is provided. It can be used in combination with the body (410).

FIG. 7 is a cross-sectional view of the slip type body illustrated in FIG. 6E coupled with the fixing nut and the fixing bolt.

In addition, Figure 8a is a state of use of the upper-expansion type underwater float of Figure 6b according to an embodiment of the present invention, Figure 8b is a state of use of the slip-type underwater float of Figure 6e, the user has a variety of forms in the fishery It will be used by connecting hand floats.

The body 410 of the underwater bobber 400 according to the present invention is provided with a temperature display for sensing and displaying the water temperature, Figure 9a shows an example of the body of the underwater bobber with a temperature display according to the present invention, Figure 9b According to the invention is a front view showing a state in which the fixing nut and the fixing bolt is coupled to the body provided with a temperature display.

Since the temperature of the sea water, in particular the bottom temperature affects the activity of the meat, the buoyancy and the target depth layer of the bobber should be different according to the water temperature, as shown in Figure 9a and 9b, in the embodiment of the present invention for this purpose A temperature display unit 412 made of temperature paint is formed on the body 410 of the 400. This temperature paint has the characteristic of changing the color of the paint at a certain temperature, so the user can visually check the specific temperature. The temperature display unit 412 formed on the body 410 of the hand 400 may be implemented not only by temperature paint but also by a temperature element.

Hereinafter, the use of the sea fishing bobber according to the present invention made of the above configuration will be described.

In order to use the fishery soup 300 and the fishery fish 400 according to the present invention, first, the fishery fish 300 is connected to the fishing fish line 1 and then the fishery fish 400 is connected to the fish line 1.

In order to connect the fishery 300 to the fishing line (1), first, the fishing line (1) to the pipe 330 and the ring guide 320 provided in the center of the body 310, the fixing nut 340 is coupled Insert the fishing line (1) into the receiving portion (361) and through hole (363) of the fixing bolt 360, and then select the ring-shaped weight (350) according to the buoyancy of the fishery 300 is selected ring weight After inserting the 350 into the raw line 1 through the incision 352 to allow the raw line 1 to penetrate the raw line transfer hole 351, the ring-shaped weight 350 is accommodated in the fixing bolt 360. ) And the fixing bolt 360 is coupled to the fixing nut 340 by the Esinji 300 is connected to the raw string (1).

As another method for connecting the fishery fish 300 to the fishing line 1, first, the ring-shaped weight 350 suitable for buoyancy of fishery fish 300 is inserted into the receiving portion 351 of the fixing bolt 360, After coupling the fixing bolt 360 to which the ring-shaped weight 350 is fitted to the fixing nut 340 provided at the bottom of the body 310, the fishing line 1 is ring guide 320 in the center of the body 310, The pipe 330, the receiving portion 361 of the fixing bolt 360 and the circular feed hole 351 of the ring-shaped weight 350 may be connected through the through hole 363 of the fixing bolt 360.

Thereafter, after selecting the body 410 of the underwater bobber 400 of the shape suitable for the fishing environment, after fitting the fixing nut 440 to the fixing nut fitting portion 411 of the underwater bobber body 410, the estuary 300 In the same way as) and connects the line 1 to the fixing nut 440 and the ring-shaped weight 450 and the fixing bolt 460. The weight of the ring-shaped weight 450 coupled to the hand bobber 400 is selected and used according to the buoyancy of the fishery 300.

During fishing using the fishing rod connected to the fishery 300 and the fishery 400 in the main line 1, the depth of the fish is changed or the strength of the bird changes so that the fishery 300 and the fishery 400 are Occasional changes in buoyancy and settlement may occur.

In the present invention, the method of changing buoyancy and sinking force of the fishery fish 300 and the fish oil 400 is ring-shaped weight 350 coupled to the lower end of the body 310, 410 by fixing bolts 360, 460. The weight of 450 may be changed. The buoyancy increases as the weight of the ring-shaped weight 350 of the fishery 300 is lighter, and in the case of the underwater weight 400, the heavier the stronger the weight of the ring-shaped weight 450.

In order to change the buoyancy of the fishery 300, the fixing bolt 360 is changed from the fixing nut 340 to the puller ring weight 350 by a light or heavy one, or by adding or subtracting the number of the ring weight 350. . In addition, in accordance with the buoyancy of the changed fishery 300, the fixed bolt 460 of the hand bobber 400 is changed from the fixed nut 440 to the puller ring type weight 450 to a heavy or light one, or ring type weight 450 You can add or subtract the number of). At this time, since the ring-shaped weight 350 and 450 to be changed may be used jointly with both the fishery fish 300 and the fishery fish 400, the fish-shaped fish cake 400 is removed from the fishery fishery 300 as it is. Can be used in addition.

In addition, the user can visually check the water temperature through the temperature display unit 412 formed on the body 410 of the underwater bobber 400 while fishing, and selects a suitable fishery 300 and underwater bobber 400 according to the water temperature. You can switch to fishing.

On the other hand, while fishing, the depth of the water or change the strength of the algae may need to change the shape of the body 410 of the hand float 400.

In order to change the shape of the body 410 of the underwater bobber during fishing, first, the body 410 fitted to the fixing nut 440 is separated from the fixing nut 440 and then removed out of the raw line 1, and then the fishing environment. By selecting a new shape of the body 410 suitable for the fixed nut fitting portion 411, the fixed nut 440 fitted with the original line 1 is inserted into the combination. If the buoyancy of the body 410 is changed according to the shape or size change of the body 410, and the total settlement force of the hand bobber 400 is changed, the ring-type accommodated in the receiving portion 461 of the fixing bolt 460. Change the weight of the weight 450 to adjust the sinking force.

Sea fishing bobber according to the present invention can be appropriately changed to perform the same function, Figure 10a is an exploded cross-sectional view of the sea fishing bobber according to another embodiment of the present invention.

As shown in FIG. 10A, pipes 361 ′ for guiding fishing lines 1 are provided in the accommodating parts 361 and 461 formed in the fixing bolts 360 and 460 of the fish cake 300 and the fish cake 400. 461 'may be provided, and the pipes 361' and 461 'may be provided with the through holes 363 and 463 at the upper part of the through holes 363 and 463 of the fixing bolts 360 and 460. When the fixing bolts 360 and 460 and the fixing nuts 340 and 440 are coupled, the pipes 361 'and 461' are through holes of the fixing nuts 340 and 440. In communication with the 342 and 442 to guide the fishing line (1). At this time, the outer side of the pipe (361 ', 461') is fitted with the line feed holes 351, 451 of the ring-shaped weight (350, 450), the outer diameter of the pipe (361 ', 461') Is smaller than the diameters of the line feed holes 351 and 451 so that the ring-shaped weights 350 and 450 can be smoothly fitted into the pipes 361 'and 461' and accommodated therein. The pipes 361 ′ and 461 ′ for smoothly conveying may be provided in the fixing nuts 340 and 440 instead of the fixing bolts 360 and 460. It shows an example of the fish cake provided with. As shown in FIG. 10B, the fishing line transfer pipe 361 ′ is formed in the fixing nut 340 so as to communicate with the through hole 342 of the fixing nut 340, and the body 310 of the first fish cake 300 is 310. Ring guide 320 formed at the top of the) and the fishing line (1) fitted to the pipe 330 through holes of the fixing bolt 360 is coupled to the lower portion of the fishery 300 through the pipe (361 ') It can be easily passed through 363. The pipe 361 ′ provided at the fixing nut 340 of the fish cake 300 is equally applied to the underwater bobbin 400, so that the pipe may be provided at the fixing nut 440 of the underwater bobbin 400. Do.

Figure 11a is an exploded cross-sectional view of the hand float according to another embodiment of the present invention, Figure 11b is a combined cross-sectional view of the hand float according to another embodiment of the present invention.

As shown in Figure 11a and 11b, the hand bobber 400 according to another embodiment of the present invention is composed of a fixing nut 440 'of the upper and a fixing bolt 460' of the lower, the fixing nut ( 440 ′, a through hole 442 ′ through which the fishing line 1 moves, a female screw 441 ′ formed under the through hole 442 ′, and the fixing nut 440 ′. A departure preventing ring frame 443 'formed on the outside of the is provided.

The fixing bolt 460 'is coupled to a pipe 461' having an upper male thread 462 'screwed to the female thread 441' of the fixing nut 440 'and a lower portion of the pipe 461'. It consists of a lower body portion (464 ') to support, so that the ring-shaped weight 450 can be loaded on the outside of the pipe (461'). The lower body portion 464 ′ has a through hole 463 ′ which communicates with the pipe 461 ′ and moves the fishing line 1, and a ring 465 ′ for preventing separation when the body 410 is coupled to the lower portion 464 ′. Is formed.

The coupling of the pipe 461 ′ and the lower body 464 ′ may be performed by fitting the lower portion of the pipe 461 ′ into the through hole 463 ′ of the lower body 464 ′. A method of forming a male screw in the lower portion of the 461 'and forming a female screw in the through hole 463' of the lower body portion 464 'may be used.

11A and 11B, the configuration of the fixing nut 440 ′ and the fixing bolt 460 ′ applied to the underwater bobber 400 has been described. However, the same may be similarly applied to the assortment 300. 11C is an exploded cross-sectional view of an assortment according to another embodiment of the present invention, and includes a female screw 341 in a through hole 342 'of a fixing nut 340' coupled to a lower portion of the body 310 of the assortment 300. ') Is formed, and a pipe 361' for transporting the fishing line 1 is provided at the upper part of the through hole 363 'of the fixing bolt 360', and an external thread 362 is provided at the upper end of the pipe 361 '. ') Is formed and screwed with the female screw 341' of the fixing nut (340 ').

In the above embodiment of the present invention has been described as a self-supporting jichi 300, but this can also be applied to other types of ache jichi 300. For example, if there is no hole in the center of the body, such as a rod, through which the fishing line passes, the body is configured in the same way as the above, and the hook is formed in the lower portion of the body so that the fishing line passes By doing so, the same effect can be obtained.

Therefore, the present invention is not limited to the above-described embodiments, and various changes within the equivalent scope of the technical concept of the present invention and the utility model registration claims to be described below by those skilled in the art to which the present invention belongs. Of course, modifications and variations are possible.

As described above, the improved sea fishing bobber according to the present invention can protect the ring-shaped weight by being coupled to the inside of the ring-shaped additional fishery and underwater bobbins that are added to or subtracted from the fishery and fishery according to the fishing environment, and according to the fishing environment Easily change the shape of the body of the hand float has the effect that can continue fishing.

In addition, the sea fishing bobber according to the present invention by forming a temperature display portion on the body of the underwater bob to display the temperature of the sea water, there is an effect that the user can easily grasp the water temperature to perform the fishing according to the water temperature.

Claims (7)

Fixed nut which is installed inside the body having buoyancy by moving up and down so that the fishing line can be moved, Fixing bolt that is coupled to the fixing nut by penetrating up and down so that the fishing line can move, and fixed to the fixing nut In the sea fishing bobber comprising a ring-shaped weight detachably coupled to the bolt to adjust the overall buoyancy of the bobber, The fixing bolts 360 and 460 are provided with accommodating parts 361 and 461 having an upper center open to form a space therein so that the ring-shaped weights 350 and 450 can be accommodated or removed. On the outer circumference of the lead parts 361 and 461, there are male threads 362 and 462 coupled to the female screws 341 and 441 formed inside the fixing nuts 360 and 460. Improved sea fishing bobber, characterized in that the lower portion of the (461) is provided with a through hole (363, 463) through which the fishing line (1) penetrates. The method of claim 1, Improved sea fishing bobber, characterized in that the body 410 is provided with a fixing nut fitting portion 411 formed through the upper and lower portions so that the fixing nut 440 is detachably coupled. The method of claim 2, The female screw is formed around the fixing nut fitting portion 411, and an external thread is formed on the outer circumference of the fixing nut 440 coupled to the fixing nut fitting portion 411 to be screwed together. Fishing bobber. The method of claim 2, Improved sea fishing bobber, characterized in that the separation prevention ring frame 443 is formed on the upper outer side of the fixing nut 440 detachably coupled to the fixing nut fitting portion 411. The method of claim 2, Improved sea fishing bobber, characterized in that the body 410 is provided with a temperature display unit 412 to detect and display the underwater temperature. The method of claim 1, The receiving parts 361 and 461 of the fixing bolts 360 and 460 are provided with pipes 361 ′ and 461 ′ coupled to and supported by upper portions of the through holes 363 and 463. The pipes 361 'and 461' are coupled to the through holes 363 and 463 of the fixing bolts 360 and 460 when the coupling nuts 360 and 460 and the fixing nuts 340 and 440 are coupled to each other. Improved sea fishing bobber, characterized in that in communication with the through-hole 342, 442 of the 440 to guide the fishing line (1). Fixed nut is installed inside the body having a buoyancy through the up and down through the fishing line to move, the fixing bolt coupled to the fixing nut through the top and bottom through the fishing line to move, and fixing bolt coupled to the fixing nut In the sea fishing bobber comprising a ring-shaped weight coupled to the detachable to adjust the overall buoyancy of the bobber, In the center of the fixing nut 440 'is formed a through hole 442' penetrating the upper and lower portions so that the fishing line 1 can be moved, The fixing bolt 460 ′ carries a pipe 461 ′ for guiding the fishing line 1 and a ring-shaped weight 450 fitted to the pipe 461 ′ by supporting a lower portion of the pipe 461 ′. It consists of a lower body portion 464 ′ having a through hole 463 ′ communicating with the pipe 461 ′ through a central upper and lower portions thereof, such that the pipe 461 ′ of the fixing bolt 460 ′ is the fixing nut 440. Improved sea fishing bobber characterized in that it is detachably coupled to communicate with the through hole (442 ') of.