CN2492069Y - One-way clutches for spinning reels - Google Patents

Abstract

A one-way clutch includes an outer ring having a plurality of cam faces formed on an inner circumferential surface thereof, each cam face being farther from a center of the outer ring in a direction toward a rear side and forming a curved recessed surface, the cam faces forming a movement restricting portion at a front side end in the direction, an inner ring rotatable relative to the outer ring, the inner ring having an outer surface forming a cylindrical surface, a roller holder rotatable relative to the outer ring between the outer ring and the inner ring and having a plurality of roller receiving grooves formed in a circumferential direction thereof, a link integrally extending on an outer circumferential surface of the roller holder, and a plurality of rollers. The rollers contact the cam surfaces of the outer ring and the outer surface of the inner ring when the roller holder is rotated in the one direction to a first position, inhibiting rotation of the inner ring relative to the outer ring in the one direction, and allowing rotation of the inner ring relative to the outer ring in both directions when the roller holder is rotated in the opposite direction to a second position.

Description

Technical field under the one-way clutch utility model of rotary reel

The utility model relates to a kind of one-way clutch, and particularly a kind of made spool that is used for rotary reel is only made the one-way clutch of one-directional rotation.

Background technology

As everyone knows, the rotary reel that is applied to fishing tackle mainly possesses: handle; Support the winder body of handle free to rotately; Be installed on the main shaft, the rotor that is bearing in the front portion of winder body free to rotate; And can before and after be supported in the spool of rotor front portion with moving freely, be used for fishline is wound on its outer peripheral face.Usually the winder body with rotary reel is fixed on the fishing rod by the fishing rod installation foot, when the user to a direction, when for example moving in the direction of the clock handle, can make rotor rotation by the intrinsic rotor driven of winder mechanism, move forward and backward spool by swing mechanism simultaneously fishline evenly is wound on the spool.When handle by opposite direction, for example when counterclockwise rotating, main shaft drives rotor and reverses, and just can make fishline be in the unwrapping wire state.In the fishing process, (for example when a fish snapped at the bait) need stop unwrapping wire rapidly sometimes, at this moment only allows the user to carry out the spiral operation, but can realize reversing shut-down operation automatically.Therefore, people need be provided with a kind of one-way clutch on the main shaft of rotary reel, can realize two-way rotary state when it is in an operating position, can realize reversing halted state when being in another operating position, i.e. the one-directional rotation state.

The utility model general introduction

Therefore, this practical purpose is to provide a kind of simple in structure, one-way clutch that assembling is easy and with low cost.

According to the utility model, a kind of one-way clutch is provided, it is characterized in that, comprise: a outer shroud with outer peripheral face and inner peripheral surface, on described inner peripheral surface, form several cam surfaces, just the center of the described outer shroud of distance is far away more more backward in one direction for described each cam surface, forms a crooked recessed face, and cam surface forms a mobile portion that places restrictions in the front side end of a described direction; One be arranged on described outer shroud medial surface with it coaxial basically and can do in relative rotation with outer shroud in ring, described in ring have the outer surface that forms the face of cylinder; One be arranged on described outer shroud and described between the ring can relative to described outer shroud and described in the ring roller maintenance of rotating, described roller keep seat have can with the inner peripheral surface outer circumference surface movingly of described outer shroud and can with the outer surface inner peripheral surface movingly of interior ring, keep several perforation rollers that upwards are provided with in week of seat to keep the outer circumference surfaces of seat and the roller mounting groove of inner peripheral surface at roller, on the outer circumference surface of roller maintenance seat, be extended with a connecting rod with also being integral, on the end sides of connecting rod, be provided with a projection; Several are placed on the roller in each roller mounting groove respectively, and the diameter of roller is greater than the size of space between the outer surface of the inner peripheral surface of outer shroud and interior ring; Wherein, between the outer surface of each cam surface of outer shroud and relative interior ring, define the clutch part space, each roller is in each clutch part space, can keep seat to be in primary importance with roller by the rotation of a described direction, when this primary importance, the cam surface of roller contact outer shroud and the outer surface of interior ring have suppressed interior ring relative to outer shroud rotating on a described direction; When roller kept a rightabout rotation by described direction to be in the second place with roller, roller can not contact with the cam surface of outer shroud and the outer surface of interior ring simultaneously simultaneously, and ring rotates on both direction relative to outer shroud in allowing.

Accompanying drawing drawing brief description

Below in conjunction with description of drawings a kind of embodiment of the present utility model, just can clearer understanding be arranged to the purpose of this utility model, structure and effect, in the accompanying drawings:

Fig. 1 is the assembled perspective view of the utility model one-way clutch;

Fig. 2 is the decomposition diagram of the utility model one-way clutch;

Fig. 3 is the plane of the outer shroud of the utility model one-way clutch;

Fig. 4 is the perspective view of the interior ring of the utility model one-way clutch;

Fig. 5 is the perspective view that the roller of the utility model one-way clutch keeps seat;

Fig. 6 is that the interior ring of the utility model one-way clutch is in the key diagram that reverses halted state;

Fig. 7 be the interior ring of the utility model one-way clutch be in can two-way rotary state key diagram;

The utility model embodiment

Shown in seeing figures.1.and.2, one-way clutch of the present utility model comprises: be suitable for being fixedly mounted on the outer shroud 1 in the rotary reel body (not shown); Be suitable for being fixedly mounted on the interior ring 2 on the main shaft (not shown) of rotary reel, it is substantially concentric with it and can relatively rotate with outer shroud 1 that ring 2 is positioned at the medial surface of outer shroud 1 in this; Be arranged between outer shroud 1 and the interior ring 2 with being slidingly matched and can keep seat 3 relative to the roller that outer shroud 1 and interior ring 2 rotate, it circumferentially is provided with a plurality of roller mounting grooves 31, is depicted as 6 in the present embodiment and is not limited to this number certainly; And a plurality of (present embodiment is 6) are placed on the roller 4 in the above-mentioned roller mounting groove 31.Above-mentioned each member assembling back constitutes a kind of structure of roller bearing, and details are as follows for the structure of above-mentioned each member.

Shown in Fig. 3 is outer shroud 1, on the inner peripheral surface 11 of outer shroud 1, form six cam surface K1, each cam surface K1 have the center not on the outer shroud center radius be the arc surface of R1, this arc surface in one direction, just far away more more forward on the dextrorotation veer for example shown in the figure apart from outer shroud center 0, form a crooked recessed face, form one in front side end and move the portion 13 that places restrictions on.In addition, the outer peripheral face 12 of outer shroud 1 has one and is roughly hexagonal profile, so that on the mount pad (not shown) of the one-way clutch of location and installation in rotary reel.Outer shroud 1 is made by bearing steel material, and its inner peripheral surface 11 and cam surface K1 plate hard chrome.

Ring 2 in shown in Fig. 4.The external peripheral surface K2 of interior ring 2 is all cylinders, and its core is provided with a microscler through hole 22, can be for fixedlying connected with the main shaft (not shown) on the rotary reel.Interior ring is made its outer circumference surface K2 chromium plating by bearing steel.

Shown in Fig. 5 is that roller keeps seat 3, and roller keeps the inner peripheral surface 32 of seat 3 to be connected movingly with the outer surface K2 of interior ring 2, and the outer circumference surface 34 that forms step is arranged at the top of outer surface 33, and it is connected movingly with the inner peripheral surface 11 of outer shroud 1.On the outer circumference surface 33 of roller maintenance seat 3, be formed with a connecting rod that stretches out 35, on the end sides of connecting rod 35, be provided with a projection 36, be suitable for joining, keep seat 3 to apply one by the anticlockwise biasing force f among Fig. 5 to this roller with a compression spring (not shown).This roller keeps seat 3 along circumferentially being formed with 6 roller mounting grooves 31.Roller keeps seat 3 to make with nylon 12 plastic materials such as grade.

Above-mentioned outer shroud 1, interior ring 2, roller keep seat 3 and each roller 4 assembling backs to constitute the clutch of a bearing type.As shown in fig. 1, when on the projection 36 of the connecting rod 35 that keeps seat 3 at roller during by compression spring (not shown) effect one power f for example, the roller 4 that roller keeps seat 3 to drive being seated in its roller mounting groove 31 together, the counter clockwise direction of pressing among Fig. 1 is rotated certain distance to primary importance, at this moment this clutch constitutes a kind of one-way clutch, ring 2 can only be made forward rotation by the clockwise direction F among Fig. 1 promptly, but can not make backwards rotation counter clockwise.When keeping at roller on the connecting rod 3 of seat 3, when for example a poke rod (not shown) carries out bias voltage by the direction opposite with above-mentioned power f, roller maintenance seat 3 just drives roller 2 and rotates certain distance to the second place by the clockwise direction among Fig. 1, at this moment ring 2 just can carry out two-way rotation in, and this clutch plays a kind of bearing.Two states to clutch is described further below.

Fig. 6 illustrates roller and keeps seat 3 to be positioned at primary importance, the key diagram when promptly ring 2 is in the reverse halted state.Shown in Fig. 6 be on the inner peripheral surface 11 of outer shroud 1 one of among formed six cam surface K1 with this cam surface K1 face interior ring 2 outer surface K2 the common clutch part space 5 that forms.The pivot center 0 that the cam surface K1 of outer shroud 1 has not with interior ring 2 is the arc surface at center, and this arc surface is near more at the pivot center 0 of the interior ring 2 of rear side end 14 distances of counter-clockwise direction shown in Figure 6 (opposite direction of the rotation direction F of ring 2 promptly).This cam surface K1 front side end in the clockwise direction forms one and moves the portion 13 that places restrictions on.The cam surface K1 of outer shroud 1 the outer surface K2 of right interior ring 2 be that pivot center 0 with interior ring 2 is that the part of cylindrical outer surface at center is formed.Like this, the interval between each clutch part space 5 convexity wheel face K1 and outer surface K2 becomes narrower and roller 4 is stuck at the narrow 5a place in clutch part space 5 near rear side end 14.Therefore, limited the backwards rotation of interior ring 2 on counter-clockwise direction.At this moment, ring 2 can only be done the effect of the one-way clutch of clockwise direction F forward rotation in this clutch played and makes.

Fig. 7 illustrate roller keep seat 3 be positioned at the second place, promptly encircle 2 be in can two-way rotary state key diagram.At this moment roller keeps seat 3 to turn to the second place from position clockwise direction shown in Figure 6, with roller 4 drive the front side end that is positioned at cam surface K1 shown in Figure 7 near moving the position of placing restrictions on portion 13.Because near the interval diameter than roller 4 front side end between clutch space 5 convexity wheel face K1 and outer surface K2 is big, roller 4 can freely be rotated around self axis at this place, therefore, in relative outer shroud 1 two-way rotation the on F or the counter-clockwise direction in the clockwise direction of ring 2, at this moment this clutch has been removed the effect that reverse stops.

Claims (5)

1. A one-way clutch, characterized in that, comprising: An outer ring with an outer peripheral surface and an inner peripheral surface, on which several cam surfaces are formed, and each cam surface is farther away from the center of the outer ring as it goes backward in one direction, forming a the curved concave surface, and the cam surface forms a movement limiting portion at the front end in the one direction; an inner ring disposed on the inner surface of the outer ring substantially coaxial with the outer ring and capable of relative rotation with the outer ring, the inner ring having an outer surface forming a cylindrical surface; A roller retaining seat arranged between the outer ring and the inner ring and rotatable relative to the outer ring and the inner ring, the roller retaining seat has a movable bearing with the inner peripheral surface of the outer ring The matching outer peripheral surface and the inner peripheral surface that can be dynamically matched with the outer surface of the inner ring are provided with several roller placement grooves passing through the outer peripheral surface and the inner peripheral surface of the roller cage in the peripheral direction of the roller cage , a connecting rod is also integrally extended on the outer peripheral surface of the roller holder, and a protrusion is provided on the end side of the connecting rod; Several rollers are respectively placed in each roller placement groove, and the diameter of the rollers is greater than the distance between the inner peripheral surface of the outer ring and the outer surface of the inner ring; Wherein, a clutch space is defined between each cam surface of the outer ring and the outer surface of the opposite inner ring, and each roller is in each clutch space, and can move along with the roller retaining seat in the one direction. Rotate to be in the first position, in the first position, the roller contacts the cam surface of the outer ring and the outer surface of the inner ring, inhibiting the rotation of the inner ring relative to the outer ring in the one direction; when the roller follows the roller When the column holder rotates in the opposite direction to the stated direction and is in the second position, the rollers cannot contact the cam surface of the outer ring and the outer surface of the inner ring at the same time, allowing the inner ring to rotate in both directions relative to the outer ring . 2 . The one-way clutch according to claim 1 , wherein the number of the cam surface of the outer ring, the roller accommodating groove of the roller holder and the number of rollers is six. 3 . The one-way clutch according to claim 1 , wherein when the roller is in the second position, the roller contacts the movement limiting portion on the rear end of the cam surface of the outer ring. 4 . 4. The one-way clutch according to claim 1, wherein the outer peripheral surface of the outer ring has a substantially hexagonal shape. 5. The one-way clutch according to claim 1, characterized in that, the center of the inner ring is provided with an elongated through hole.

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