CN202345869U

CN202345869U - Integrated shaft core pedal

Info

Publication number: CN202345869U
Application number: CN2011204579693U
Authority: CN
Inventors: 林文华
Original assignee: HONGGUANG INDUSTRY Co Ltd
Current assignee: HONGGUANG INDUSTRY Co Ltd; VP Components Co Ltd
Priority date: 2011-11-18
Filing date: 2011-11-18
Publication date: 2012-07-25
Anticipated expiration: 2021-11-18

Abstract

The utility model relates to an integrated shaft core pedal which comprises a pedal body and a shaft core module, wherein the pedal body is provided with a connection side close to a crankshaft and a connection seat arranged on the connection side, the shaft core module comprises a circular shell, an inner shaft rod and a plurality of rolling units, wherein the shell is provided with an inner ring surface which encloses a penetration hole, the shell is contained in the connection seat and is connected with the pedal body, the inner shaft rod partially protrudes into the penetration hole, the inner shaft rod is provided with a connection section close to the crankshaft and a first load carrying section opposite to the inner ring surface, the connection section is used for being connected with the crankshaft, the rolling units can be rotationally clamped by the inner ring surface and the first load bearing section, therefore, the inner shaft rod can rotate around an axis and relatively to the shell.

Description

Integral type axle core pedal

Technical field

The utility model is about a kind of pedal, especially in regard to a kind of pedal with integral type axle core.

Background technology

In the bicycle field, pedal supplies user's foot to trample and drives the crank rotation, thereby drives chain and wheel further, and drives bicycle by this.

Commonly use the structure of pedal, can be with reference to Fig. 1 of Chinese T W M405404, be formed with one in its pedal body 11 and extend the axis hole 111 of its Width total length, supply an axle 12 to be installed with rotationally in it, this axle 12 is held in addition and is connected with crank 20; This kind design need take the suitable space of pedal body 11 and increase its thickness, causes the overall weight of pedal 10, volume to reduce, and thicker pedal 10 is crossed to produce when curved at bicycle easily and hindered.

To this; Fig. 2 to Fig. 4 of this Chinese T W M405404 provides a kind of thin type pedal 1 that makes axle 40 only be arranged at pedal body 30 1 sides; It has specifically protruded out a drive-connecting shaft 32 at pedal body 30, and 40 of this axles have joint body 41, clutch shaft bearing 42 and second bearing 43, on this drive-connecting shaft 32 wear this clutch shaft bearing 42, joint body 41 and second bearing 43 in regular turn after; Be connected with crank 60 again, utilize locking unit 50 to make pedal body 30 and axle 40 can not be separated from each other at last.Yet, Chinese T W M405404 have its not enough be in, in addition screw lock just can't be mutually positioning between each part before drive-connecting shaft 32 at locking unit 50, particularly also can't become one modular group separately establishes aspect to axle 40.

Similar design also appears among Fig. 1 to Fig. 5 of Chinese T W M297904; It is provided with an axle bed 11 in pedal body 10 1 sides; Axle 20 then comprises axostylus axostyle 21, sleeve pipe 22 and a plurality of

bearing

23,24,25,21 one-tenth scalariforms of this axostylus axostyle wherein, and sleeve pipe 22 inside also are provided with terrace 222; By this when axostylus axostyle 21 and bearing 23,24,25 are sheathed in the sleeve pipe 22 in regular turn, nut 26 screw locks capable of using are in axostylus axostyle 21 1 ends and bearing 23,24,25 and sleeve pipe 22 is spacing in addition., the axle 20 of Chinese T W M297904 is able to independent storage, transportation though can assembling in advance; But relative must offer the thread segment that supplies nut 26 spiral shells to establish at axostylus axostyle 21 1 ends; Cause the length of this axostylus axostyle 21 to increase; The collocation setting of itself and nut 26 more can increase the overall weight of pedal, disagrees towards the lightweight Development Trend with the bicycle spare part.

What above-mentioned two patents were disclosed commonly uses in the bicycle pedal; Be intended to reduce the volume and the weight of pedal though only axle is located at pedal one side; But in the mandrel structure; But must can just each bearing be tight with on the axostylus axostyle by the solid mode of spiral shell, its structure and assembling still have simplifies and the anxiety of lightweight inadequately.

Summary of the invention

The purpose of the utility model is to provide a kind of pedal of integral type axle core, and it is simple in structure, and is easy to loading and unloading, and its core group can be organized in advance and establish, and have simplify, the lightweight advantage.

In order to reach above-mentioned purpose, the utility model discloses a kind of integral type axle core pedal, this integral type axle core pedal is arranged at the crank of a bicycle rotationally, it is characterized in that, and this integral type axle core pedal comprises:

One pedal body has one and is located at the Connection Block that connects side near the connection side and of crank;

A core group; The shell, an inner shaft lever and a plurality of rolling unit that comprise an annular; This shell has an inner ring surface, and this inner ring surface encloses structure one perforation, and this shell is placed in the Connection Block and is connected with this pedal body; This inner shaft lever is partly charged into this perforation; And this inner shaft lever has one near the linkage section of crank and one relative with inner ring surface first stressed section, and this linkage section and this crank connecting link, those rolling units receive this inner ring surface and this first stressed section clamping to rotate and rotate relative to this shell along an axis to make this inner shaft lever rotationally.

Wherein, those rolling units comprise a plurality of glomerate balls, and this inner ring surface has circlewise first a ball tank, and this first stressed section then has circlewise second a ball tank, respectively this ball respectively with this first, second ball tank paste mutually to; Wherein, This first ball tank has first outer side edges and first inner side edge near pedal body near crank; This second ball tank has second outer side edges and second inner side edge near pedal body near crank, and this first, second outer side edges and first, second inner side edge and those balls offset and relatively move in the axial direction to limit this shell and inner shaft lever.

Wherein, this core group more comprises the ball distance ring that circularizes, and this ball distance ring has the maintenance tank of a plurality of each intervals, and respectively this maintenance tank content is provided with a wherein said ball.

Wherein, More comprise a bearing; These Connection Block central authorities then are formed with a groove, and this groove is by a ring wall and a structure that diapire encloses towards crank, and this inner shaft lever has more one near second stressed section of pedal body; And this second stressed section is positioned at this groove, and this bearing then is located between this ring wall and second stressed section rotationally.

Wherein, this inner shaft lever has the stopping surface of vertical this axis, and this stopping surface is this first, second between stressed section, and this bearing is relatively moved to limit this bearing and inner shaft lever between this stopping surface and groove diapire by urgent in the axial direction.

Wherein, this bearing comprises ring and a plurality of rolling unit between inner and outer rings in the outer shroud,, and this inner and outer rings can be that the axle center relatively rotates with this axis; This inner ring sleeve is located at outside this second stressed section; This outer shroud then is embedded in the ring wall of this groove, and this groove diapire is divided into one urgent section and one non-urgent section again, and this urgent section directly is resisted against this outer shroud in the axial direction; This non-urgent section does not then contact with this bearing, and this stopping surface then directly is resisted against ring in this in the axial direction.

Wherein, this Connection Block more is formed with an internal thread segment, and this shell has more an outer ring surface, this outer ring surface be formed with an external thread section with make this shell and this Connection Block mutually spiral shell establish.

Wherein, this shell has the lip that radially extends, supplies a driven tool and this driven tool of its engagement can drive this shell and the non-circle contour that makes this shell rotate relative to this Connection Block thereby this lip has one.

Wherein, this core group more comprises an oil sealing, and this oil sealing is between those rolling units and linkage section.

By above-mentioned design; The axle core group of the integral type axle core pedal of the utility model can be organized in advance and establish; Thereby be convenient to storage, subsequent use; And also by rolling unit directly is set between shell and inner shaft lever, those rolling units of better one more can move relative to inner shaft lever in order to place restrictions on shell the utility model in the axial direction, and a plurality of bearings and locking unit have the anxiety that increases overall weight because of need are provided with thereby avoid commonly using structure.

Description of drawings

Fig. 1: the block diagram of the utility model integral type axle core pedal.

Fig. 2: the exploded drawings of the utility model integral type axle core pedal.

Fig. 3: the part exploded drawings of the utility model integral type axle core pedal, wherein this core group is organized in advance and is established and the person that waits to be installed in the pedal body.

Fig. 4: the utility model integral type axle core pedal is mounted on the schematic side view on the crank.

Fig. 5: the cut-away section scheme drawing of the utility model integral type axle core pedal.

Fig. 5 A: be the part enlarged diagram of Fig. 5.

Fig. 6: the cut-away section scheme drawing of the utility model axle core group.

Fig. 6 A: be the part enlarged diagram of Fig. 6.

The specific embodiment

For ease of explanation the utility model represented central idea in foregoing invention content one hurdle, express with specific embodiment now.Various different objects are described in the ratio that is suitable for explaining, size, deflection or displacement among the embodiment, but not draw in the ratio of actual components, close chat earlier bright.And in the following explanation, similar elements is to represent with identical numbering.

Please refer to Fig. 1 to Fig. 5.The integral type axle core pedal 1 of the utility model supplies to be arranged at rotationally the crank 2 of a bicycle, and wherein this integral type axle core pedal 1 comprises a pedal body 10, a core group 20 and a bearing 30.

This pedal body 10 has one and is located at the Connection Block 12 (socket) that connects side 11 near the connection side 11 and of crank 2; This Connection Block 12 of better one has an internal thread segment 121; And these Connection Block 12 central authorities are formed with a groove 13, and this groove 13 encloses structure by a

ring wall

131 and 132 of diapires towards crank 2.

This core group 20 comprises a ball distance ring 24 and the oil sealing 25 that shell 21, an inner shaft lever 22, a plurality of rolling unit 23, of an annular circularize.

Please further with reference to figure 6.This shell 21 has an inner ring surface 211 and an outer ring surface 212; This inner ring surface 211 encloses structure one perforation 213; 212 of this outer ring surfaces are formed with an external thread section 214; By this when this shell 21 is placed in the Connection Block 12, can make shell 21 and Connection Block 12 mutually spiral shell establish, thereby be connected with this pedal body 10.The better one; This shell 21 has more the lip 215 that radially extends; This lip 215 has a non-circle contour 216, and it for example is the zig-zag shown in graphic, or is cerioid, other external form such as wavy; Supply by this a driven tool (not illustrating) with should be non-circle contour 216 engagements, wherein this driven tool supplies to drive this shell 21 and makes it rotate also in addition screw lock relative to Connection Block 12.

These inner shaft lever 22 parts are charged into this perforation 213, and this inner shaft lever 22 has one near the linkage section of crank 2 221, one relative with inner ring surface 211 first stressed section 222 and one second stressed section 223.This linkage section 221 for example can be provided with screw thread and supply to be connected with crank 2; This first stressed section 222 between this linkage section 221 and second stressed section 223; This second stressed section 223 then is positioned at this groove 13; This diameter of first stressed section 222 of better one is greater than second stressed section 223, and this inner shaft lever 22 has more one at this first, second stressed section 222, stopping surface 224 between 223, and this stopping surface 224 is perpendicular to an axis 3.

Those rolling units 23 receive this inner ring surface 211 and first stressed section 222 clamping rotationally, make this inner shaft lever 22 rotate relative to this shell 21 along this axis 3 by this.Please further with reference to figure 6A; Those rolling units 23 better onies comprise a plurality of glomerate balls 231; This inner ring surface 211 has circlewise first a ball tank 217; These first stressed section 222 have circlewise second a ball tank 227, and respectively this ball 231 pastes mutually with this first, second ball tank 217,227 respectively and supports; Wherein, This first ball tank 217 has first outer side edges 218 and first inner side edge 219 near pedal body 10 near crank 2; This 227 of second ball tank has second outer side edges 228 and second inner side edge 229 near pedal body 10 near crank 2; This first, second outer side edges 218,228 and first, second inner side edge 219,229 and those balls 231 offset, and limit this shell 21 and inner shaft lever 22 by this and relatively move in the axial direction.

This ball distance ring 24 has the maintenance tank 241 of a plurality of each intervals, and respectively these maintenance tank 241 contents are provided with a wherein ball 231, the fixing relative distance between the ball 231 by this, and make the stressed comparatively average of those balls 231.

This oil sealing 25 is between those rolling units 23 and linkage section 221; It can be circlewise and between closure 21 and the inner shaft lever 22 towards the opening of crank 2 one sides, and then avoid lubricating oils in the core group 20 to expose or avoid the external impurities dust to get into the room between shell 21 and the inner shaft lever 22.

This bearing 30 is located between this ring wall 131 and second stressed section 223 rotationally; And this bearing 30 of better one is more pressed from both sides under the pressure of between this stopping surface 224 and groove 13 diapires 132; For example when the mutual screw lock of shell 21 and Connection Block 12; This bearing 30 can be pushed to diapire 132 until offseting with it gradually, limits this bearing 30 and inner shaft lever 22 by this and relatively moves in the axial direction.Please further with reference to figure 5A; This bearing 30 better onies comprise ring 31, one outer shroud 32 in one and a plurality of at inner and outer rings 31, rolling unit 33 between 32; This inner and

outer rings

31,32 can relatively rotate for the axle center by this axis 3; And should in ring 31 be sheathed on this second stressed

section

223,32 of this outer shrouds are embedded in the ring wall 131 of this groove 13, the diapire 132 of this groove 13 is divided into one urgent section 133 and one non-urgent section 134 again; This urgent section 133 directly is resisted against this outer shroud 32 in the axial direction; These non-urgent section 134 do not contact with bearing 30, and this stopping surface 224 then directly is resisted against ring 31 in this in the axial direction, further reduces the obstruction of inner shaft lever 22 when pedal body 10 rotates by this.

By above-mentioned design, the utility model expects that attainable effect is following:

(1) this core group can be organized in advance and establish, i.e. modularity in addition, thereby be convenient to store and transportation; And, also can apace old axle core group be unloaded and replace when axle core group to some extent during loss.

(2) rolling unit of the utility model is except that can making the rotation of inner shaft lever opposite shell; More can further limit inner shaft lever and shell relatively moves in the axial direction; In other words; The rolling unit of the utility model is commonly used the function that bearing is used to pivot except that reaching, and has the effect that two adjacent elements are spacing in addition more simultaneously; Review such commonly using in the core group, its bearing only supplies the usefulness of pivot, and bearing itself and can't reaching is placed restrictions on shell, the inner shaft lever extra effect at longitudinal travel, could shell and inner shaft lever be fixed and the screw lock unit must be set separately.Thereby the axle core group of the utility model structurally is not provided with the screw lock unit because of omitting fully, simplifies and obviously commonly use skill.

(3) since the axle core group of the utility model will be wherein one commonly use the part that bearing turns to structure in addition; That is the utility model directly is arranged at rolling unit between shell and the inner shaft lever; Therefore no matter be that single-piece length, volume and weight all can reduce effectively, thereby meet the demand on the market.

(4) hold; Owing to directly utilize rolling unit to replace the bearing of commonly using in the skill, the producer who therefore makes pedal need not buy the bearing of at least a portion to bearing supplier, then for the pedal producer; Can reduce the cost of part outsourcing by this, and and then increase self profit.

(5) because the axle core group of the utility model only is arranged at pedal body one side, so the thickness of pedal body remainder be from can reducing, thereby can reach the single-piece lightweight, and thin pedal also is difficult for crossing to produce when curved at bicycle hindering.

Though the utility model is to explain with a preferred embodiment, is skillful in this art and can does various multi-form changes not breaking away under the utility model spirit and the category.The above embodiment that lifts is only in order to explanation the utility model, and is non-in order to limit the scope of the utility model.Such as do not disobey various modifications or the variation that the utility model spirit is engaged in, all belong to the category that the utility model is intended to protect.

Claims

1. integral type axle core pedal, this integral type axle core pedal is arranged at the crank of a bicycle rotationally, it is characterized in that, and this integral type axle core pedal comprises:

2. integral type axle core pedal as claimed in claim 1; It is characterized in that; Those rolling units comprise a plurality of glomerate balls; This inner ring surface has circlewise first a ball tank, and this first stressed section then has circlewise second a ball tank, respectively this ball respectively with this first, second ball tank paste mutually to; Wherein, This first ball tank has first outer side edges and first inner side edge near pedal body near crank; This second ball tank has second outer side edges and second inner side edge near pedal body near crank, and this first, second outer side edges and first, second inner side edge and those balls offset and relatively move in the axial direction to limit this shell and inner shaft lever.

3. integral type axle core pedal as claimed in claim 2 is characterized in that, this core group more comprises the ball distance ring that circularizes, and this ball distance ring has the maintenance tank of a plurality of each intervals, and respectively this maintenance tank content is provided with a wherein said ball.

4. integral type axle core pedal as claimed in claim 1; It is characterized in that, more comprise a bearing, these Connection Block central authorities then are formed with a groove; This groove is by a ring wall and a structure that diapire encloses towards crank; This inner shaft lever has more one near second stressed section of pedal body, and this second stressed section be positioned at this groove, and this bearing then is located between this ring wall and second stressed section rotationally.

5. integral type axle core pedal as claimed in claim 4; It is characterized in that; This inner shaft lever has the stopping surface of vertical this axis; This stopping surface is this first, second between stressed section, and this bearing is relatively moved to limit this bearing and inner shaft lever between this stopping surface and groove diapire by urgent in the axial direction.

6. integral type axle core pedal as claimed in claim 5; It is characterized in that this bearing comprises ring and a plurality of rolling unit between inner and outer rings in the outer shroud,, this inner and outer rings can be that the axle center relatively rotates with this axis; This inner ring sleeve is located at outside this second stressed section; This outer shroud then is embedded in the ring wall of this groove, and this groove diapire is divided into one urgent section and one non-urgent section again, and this urgent section directly is resisted against this outer shroud in the axial direction; This non-urgent section does not then contact with this bearing, and this stopping surface then directly is resisted against ring in this in the axial direction.

7. integral type axle core pedal as claimed in claim 1 is characterized in that this Connection Block more is formed with an internal thread segment, and this shell has more an outer ring surface, this outer ring surface be formed with an external thread section with make this shell and this Connection Block mutually spiral shell establish.

8. integral type axle core pedal as claimed in claim 7; It is characterized in that; This shell has the lip that radially extends, supplies a driven tool and this driven tool of its engagement can drive this shell and the non-circle contour that makes this shell rotate relative to this Connection Block thereby this lip has one.

9. integral type axle core pedal as claimed in claim 1 is characterized in that this core group more comprises an oil sealing, and this oil sealing is between those rolling units and linkage section.