CN211091443U - Brake structure of fishing line reel - Google Patents

Abstract

The utility model provides a brake structure of fish tape wheel, in current pivot, moving part, operating part and brake block group improve on the basis, wherein the brake block group is including a plurality of brake magnifications and a plurality of key magnifications again, and a plurality of key magnifications are including the middle key magnifications that are located between the adjacent brake magnifications and the outermost side key magnifications that are located the outside, still the cover is equipped with the auxiliary key magnifications that can axial displacement and can rotate together along with pivot and middle key magnifications in the pivot that corresponds middle key magnifications, the thickness of this auxiliary key magnifications is greater than the thickness of middle key magnifications, and the auxiliary key magnifications can hold in the shaft hole of middle key magnifications and the through-hole of adjacent brake magnifications simultaneously. After the structure is adopted, the rotary shear stress generated by the middle key washer can act on the rotating shaft through the auxiliary key washer, and the contact area of the auxiliary key washer and the rotating shaft at the moment is obviously increased, so that the rotary shear stress on the unit area is reduced, the destructive force on the rotating shaft is weakened, and the phenomenon of damaging the rotating shaft is not easy to occur.

Description

Brake structure of fishing line reel

Technical Field

The utility model relates to a fish tape wheel, concretely relates to brake structure of fish tape wheel.

Background

In order to prevent a fish from pulling a fishing line to run after hooking, a brake structure is usually mounted on an existing fishing line reel and generally comprises a rotating shaft, a moving part which is sleeved on the rotating shaft and can rotate relative to the rotating shaft, and a brake pad group which is located in an inner cavity of the moving part, wherein an operating part which can axially press the brake pad group is further arranged at one end of the rotating shaft. When the brake structure is designed, the number of the brake pad groups can be selected according to the braking force requirement of the fishing line wheel, namely one group, two groups, three groups or five groups of brake pads can be installed, wherein three groups of brake pads are arranged in the common brake structure, namely the common brake structure sequentially comprises an ear washer, a brake washer, a key washer, a brake washer, an ear washer, a brake washer and a key washer, wherein the key washer can be axially movably sleeved on the rotating shaft and cannot relatively rotate with the rotating shaft; the lug washer is loosely sleeved on the rotating shaft and positioned on the moving part. The rotating shaft can be a gear shaft, such as a structure disclosed in Chinese patent No. CN207561206U (namely a drum-type fishing line wheel); the main shaft of the reel may be configured as disclosed in chinese patent publication No. CN207075424U or CN201528603U (i.e., spinning reel). The lug washer and the brake washer can also be made into a whole piece (see the document CN 207561206U), namely lugs are designed on the periphery of the brake washer and are connected with the moving part into a whole in the circumferential direction. The moving component can be a gear linked with the main body of the reel (see CN207561206U literature), or can be the main body of the reel (see CN207075424U, CN 201528603U). When the fishing reel is used, the fishing reel is in a braking or non-braking state as required by applying force to an operating component (such as an adjusting button or a braking button in the CN201528603U document, or a spanner in the CN207561206U document).

However, in practical application, the thickness of the key washer cannot be made too thick due to the limitation of the inner cavity space of the moving part, namely, the thickness of the key washer generally in the middle position is thinner, and under a braking state, the rotating shear stress generated by the key washer in the middle position often damages the rotating shaft, so that the braking function is failed, the normal use of the fishing reel is influenced, and the quality of the fishing reel is finally influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide a brake structure of fish tape wheel that can prolong pivot life.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a brake structure of fish tape wheel, including pivot, cover in the pivot can be for pivot pivoted moving part and the brake block group of sitting in the inner chamber of moving part in the pivot the epaxial one end still is provided with and can axially press the operating parts of brake block group, brake block group have a plurality of key washers in shaft hole including a plurality of brake washers that the middle part has the through-hole and middle part again, wherein each brake washer can not hard up the cover through the through-hole and overlap in the pivot, a plurality of key washers pass through shaft hole ability axial displacement ground cover in the pivot to can rotate along with the pivot, just a plurality of key washers are including being located the middle key washer between the adjacent brake washers and being located the outermost side key washer between outermost side brake washer and the operating parts, its characterized in that: the rotating shaft corresponding to the middle key washer is further sleeved with an auxiliary key washer which can axially move and rotate along with the rotating shaft and the middle key washer, the thickness of the auxiliary key washer is larger than that of the middle key washer, and the auxiliary key washer can be simultaneously accommodated in the shaft hole of the corresponding middle key washer and the through hole of the adjacent brake washer.

In the above scheme, preferably, the shape of the auxiliary key washer is matched with the shape of the shaft hole of the middle key washer, the auxiliary key washer and the middle key washer are matched in a non-circular manner, and circumferential linkage and axial relative movement can be realized in a key groove matching manner.

In each of the above schemes, preferably, the thickness of the outermost key washer is greater than that of the middle key washer, and the outermost key washer is partially exposed out of the inner cavity, so as to reduce the influence of the rotational shear stress of the outermost key washer on the gear shaft 1.

For convenience of material selection and manufacturing, it is further preferable that the thickness of the outermost key washer is equal to the thickness of the auxiliary key washer.

In order to increase the strength of the outermost key washer, the middle portion of the outermost key washer is designed as a convex portion that protrudes toward the operating member side.

In each of the above solutions, the brake pad set may further include an ear washer having a lug at a periphery thereof, an axial guide groove for the lug to be inserted is provided on an inner wall of the inner cavity of the moving member, and the ear washer is loosely fitted on the rotating shaft and positioned on the moving member by cooperation of the lug and the axial guide groove.

Similarly, the lug washer can be eliminated, namely the periphery of the brake washer is provided with a plurality of positioning protrusions, the inner wall of the inner cavity of the moving component is provided with axial positioning grooves for inserting the positioning protrusions, and the brake washer is positioned on the moving component through the matching of the positioning protrusions and the axial positioning grooves. So that the braking force is obviously improved in the same space.

Compared with the prior art, because the utility model discloses utilized the shaft hole of middle key china department ingeniously and the through-hole space rather than adjacent brake china department, the thickness that makes the auxiliary key china department of addding can be made than the thickness of middle key china department, therefore under the brake state, the rotatory shear stress that middle key china department produced can be used in the pivot through this auxiliary key china department, and the area of contact of the auxiliary key china department and pivot at this moment has obviously increased, therefore rotatory shear stress on the unit area will reduce, thereby weaken the destructive power to the pivot and the difficult phenomenon that takes place the pivot damage among the prior art, make the brake function be intact for a long time and ensure the normal use of fish tape wheel.

Drawings

FIG. 1 is a perspective view of a brake pad set mounted on a main gear of a drum reel according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is an exploded perspective view of fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

The brake structure of the embodiment is applied to a drum type fishing line wheel, which is installed on an end cover of the drum type fishing line wheel, and the specific structure can be referred to the document with the publication number of CN207561206U, that is, a brake pad set is installed in an inner cavity of a main gear of the drum type fishing line wheel, as shown in fig. 1 to 3, the brake structure comprises a gear shaft 1, a main gear 2, a brake pad set and a wrench, wherein the gear shaft 1 is arranged in parallel with a line shaft (not shown) of the fishing line wheel, and a rocker arm assembly (not shown) is sleeved at the right end of the gear shaft; the master gear 2 is loosely sleeved on the gear shaft 1 and is used for meshing with a pinion (not shown) on a reel shaft, the right end face of the master gear 2 is recessed to form an inner cavity 21 for seating the brake pad set, and the inner side wall of the inner cavity is provided with an axial guide groove 22.

The brake pad group comprises a plurality of brake washers 3 with through holes 31 in the middle and a plurality of key washers 4 with shaft holes 41 in the middle, wherein each brake washer 3 can be loosely sleeved on the gear shaft 1 through the through holes 31; the plurality of key washers 4 can be axially movably sleeved on the gear shaft 1 through the shaft hole 41 and can rotate along with the gear shaft 1, and in the embodiment, the plurality of key washers 4 comprise a middle key washer 4a positioned between adjacent brake washers and an outermost key washer 4b positioned between the outermost brake washer and the wrench. The number of the brake pad groups can be determined according to the requirement of the braking force of the fishing reel, in the embodiment, the brake pad groups are selected from three groups, and the brake pad groups further comprise lug washers 5 with lugs on the periphery, namely a first lug washer 5a, a first brake washer 3a, a middle key washer 4a, a second brake washer 3b, a second lug washer 5b, a third brake washer 3c and an outermost key washer 4b which are sequentially arranged from the main gear 2 to the direction of the wrench, wherein the first, second and third brake washers have the same structure and are annular sheet-shaped bodies with the through holes 31 in the middle, and the inner diameter of the through holes adjacent to the middle key washer is larger, so that the accommodating of the following auxiliary key washers is facilitated; the first lug washer and the second lug washer are also the same in shape, and are also sheet-shaped bodies with through holes, only a plurality of lugs 51 which are uniformly distributed in the circumferential direction radially extend out of the peripheral edge, in the embodiment, three lugs 51 are provided, and each lug 51 is matched with the axial guide slot 22 in the inner cavity of the main gear 2, that is, after the first lug washer and the second lug washer are sleeved on the gear shaft 1, each lug 51 is inserted into the corresponding axial guide slot 22, so that the first lug washer and the second lug washer are circumferentially positioned on the main gear 2, can rotate along with the main gear 2, but can axially move relative to the gear shaft 1. And above-mentioned middle key china 4a and outermost side key china 4b then circumference location are on gear shaft 1, can rotate along with gear shaft 1 simultaneously, can follow gear shaft 1 axial displacement, and is specific, and outermost side key china 4b and gear shaft 1 are according to the cooperation of conventional non-round hole, are the cooperation in flat axle and the rectangle shaft hole in the figure. The gear shaft 1 corresponding to the middle key washer is further sleeved with an auxiliary key washer 6 which can axially move and can rotate along with the gear shaft 1 and the middle key washer 4a, the thickness of the auxiliary key washer 6 is larger than that of the middle key washer 4a, and the auxiliary key washer 6 can be simultaneously accommodated in the shaft hole of the corresponding middle key washer 4a and the through hole 31 of the adjacent brake washer, please refer to fig. 2. In this embodiment, this supplementary key magnificent department 6's shape and middle key magnificent department 4 a's shaft hole shape phase-match, and both are the non-circular cooperation, can make the form in polygon or long waist shape hole, as long as can rotate together with middle key magnificent department 4a to can hold in through-hole 31 can (of course also can adopt the form cooperation of keyway to rotate), also press the form cooperation in flat axle and rectangle shaft hole between this supplementary key magnificent department 6 and the gear shaft 1, in order to make things convenient for the processing preparation.

In order to reduce the influence of the outermost key washer 4b on the gear shaft 1, the thickness of the outermost key washer 4b is larger than that of the middle key washer 6 and is partially exposed out of the inner cavity 21, that is, the thickness of the outermost key washer 4b can be increased by utilizing the outer space of the inner cavity of the main gear 2, so as to eliminate the defects in the prior art, and the thickness of the outermost key washer 4b in the embodiment is equal to that of the auxiliary key washer 6, so that the materials can be conveniently selected and manufactured. And, in order to enhance the strength thereof, the middle portion of the outermost key washer 4b is also designed as a convex portion that protrudes toward the operating element side.

In the figure, the gear shaft 1 at the left side of the main gear 2 is also provided with a reaction tooth 7 and a transmission gear 8, and the reaction tooth 7 is used for matching with a non-return claw in the fishing line wheel to prevent the fish from escaping when the pulling force of the fish is too large. The transmission gear 8 is used for cooperating with a pinion of a winding displacement mechanism in the drum fishing reel. The counter teeth and the transmission gear are conventional technology and will not be described in detail here.

The wrench in this embodiment is an operation member for adjusting the braking force, when the fishing reel is required to be in a braking state, as described in the prior art, the wrench is rotated to drive the threaded sleeve to rotate, and push the inner cylinder to move axially toward the main gear 2, so as to drive the outermost key washer 4b to move toward the main gear 2, and sequentially press the key washers and the lug washers against the corresponding brake washers, and when a certain pressing force is reached, the main gear 2 cannot rotate relative to the gear shaft 1. At this time, even if the fish hooks and pulls the fish line to run outwards, the pinion on the main shaft of the reel has a tendency of driving the main gear 2 to rotate, the reel cannot rotate to be led out because the gear shaft 1 can only rotate along the take-up direction, and at this time, the fish cannot normally pull the fish line to run, so that the purpose of braking is achieved.

When the braking force needs to be reduced, the spanner is rotated reversely, so that the outermost key washer 4b moves away from the main gear 2, gaps among the middle key washers, the lug washers and the corresponding braking washers are enlarged, the middle key washer can axially move on the auxiliary key washer, and the outermost key washer can axially move on the gear shaft, so that the braking force can be reduced to the minimum as required.

The above is only the preferred embodiment of the present invention, it should be noted that, in the above embodiment, the brake washer and the lug washer may be made into a whole, that is, the periphery of the brake washer has a plurality of positioning protrusions (equivalent to the above-mentioned lugs 51), the inner wall of the inner cavity of the main gear has axial positioning slots (equivalent to the above-mentioned axial guide slots 22) for inserting each positioning protrusion, the brake washer is positioned on the main gear by the cooperation of the positioning protrusions and the axial positioning slots, at this time, the lug washer is omitted, and the two sides of the second and third brake washers both play a braking role, under the same space, compared with the conventional brake mechanism, the braking force is significantly improved, and the stability of the brake is also improved.

Also, the above-mentioned brake structure can be applied to other structures of fishing line reel, such as spinning fishing line reel, in which case the line reel will replace the above-mentioned main gear, the main shaft of the line reel will replace the above-mentioned gear shaft, and the adjusting knob assembly will replace the above-mentioned wrench and inner cylinder, i.e. such a structure should be considered as within the scope of the present invention.

Claims (7)

1. The utility model provides a brake structure of fish tape wheel, including pivot, cover in the pivot can be for pivot pivoted moving part and the brake block group of sitting in the inner chamber of moving part in the pivot the epaxial one end still is provided with and can axially press the operating parts of brake block group, brake block group have a plurality of key washers in shaft hole including a plurality of brake washers that the middle part has the through-hole and middle part again, wherein each brake washer can not hard up the cover through the through-hole and overlap in the pivot, a plurality of key washers pass through shaft hole ability axial displacement ground cover in the pivot to can rotate along with the pivot, just a plurality of key washers are including being located the middle key washer between the adjacent brake washers and being located the outermost side key washer between outermost side brake washer and the operating parts, its characterized in that: the rotating shaft corresponding to the middle key washer is further sleeved with an auxiliary key washer which can axially move and rotate along with the rotating shaft and the middle key washer, the thickness of the auxiliary key washer is larger than that of the middle key washer, and the auxiliary key washer can be simultaneously accommodated in the shaft hole of the corresponding middle key washer and the through hole of the adjacent brake washer.

2. The brake structure of the fishing reel of claim 1, wherein: the shape of the auxiliary key washer is matched with that of the shaft hole of the middle key washer, and the auxiliary key washer and the middle key washer are in non-circular matching.

3. The brake structure of the fishing reel of claim 1, wherein: the thickness of the outermost key washer is larger than that of the middle key washer, and the outermost key washer is partially exposed out of the inner cavity.

4. The brake structure of the fishing reel of claim 3, wherein: the thickness of the outermost key washer is equal to that of the auxiliary key washer.

5. The brake structure of the fishing reel of claim 1, wherein: the middle part of the outermost key washer is designed as a convex part protruding toward the operating member side.

6. The brake structure of the fishing reel of any one of claims 1 to 5, wherein: the brake pad group also comprises an ear washer with lugs at the periphery, an axial guide groove for the lugs to be inserted is arranged on the inner wall of the inner cavity of the moving part, and the ear washer is loosely sleeved on the rotating shaft and is positioned on the moving part through the matching of the lugs and the axial guide groove.

7. The brake structure of the fishing reel of any one of claims 1 to 5, wherein: the periphery of the brake washer is provided with a plurality of positioning protrusions, the inner wall of the inner cavity of the moving component is provided with axial positioning grooves for the insertion of the positioning protrusions, and the brake washer is positioned on the moving component through the matching of the positioning protrusions and the axial positioning grooves.

Images