CN103057653A

CN103057653A - Pedal bearing structure

Info

Publication number: CN103057653A
Application number: CN2013100031908A
Authority: CN
Inventors: 陈忠义
Original assignee: Ludwig Vehicle Material (kunshan) Co Ltd
Current assignee: Ludwig Vehicle Material (kunshan) Co Ltd
Priority date: 2013-01-06
Filing date: 2013-01-06
Publication date: 2013-04-24

Abstract

The invention discloses a pedal bearing structure which is characterized by comprising a pedal body and a mandrel. The pedal body is provided with a shaft hole penetrating through the pedal body, two hole ends of the shaft hole are a first hole end and a second hole end, a thread section and a polish rod section are arranged at two ends of the mandrel respectively, one or multiple limiting portions are arranged in the radial direction of the polish rod section, the mandrel penetrates through the shaft hole of the pedal body, the thread section is externally exposed at an outer edge of the first hole end of the shaft hole, the limiting portions extend at a radial outer edge of the second hole end of the shaft hole, and the shaft hole is utilized to limit the pedal body among the thread section of the mandrel and the limiting portions and enable the pedal body to axially rotate relative to the mandrel without breaking away from the mandrel. The pedal bearing structure has the advantages of easiness in assembly, low manufacturing cost and the like.

Description

The pedal bearing structure

Technical field

The present invention relates to a kind of bicycle pedal bearing arrangement, relate in particular to a kind of pedal bearing structure with characteristics such as assembling are simple, cost of manufacture is cheap.

Background technology

The operation power of bicycle entirely is dependent on rider's both feet and is trampled the application of force, and drives wheels by driving system and advance, and does not need the extra power assembly that the short range purposes of riding instead of walk can be provided, and quite is subject to the student by bike and the short distance working clan favors.And long journey not only has movement effects, can appreciate natural land on the way by bike, more can suitably experience local culture and folk custom, is becoming in recent years the popular selection mode of amusement and recreation.

Because the pedal of bicycle need to bear the continuous application of force of rider and trample, so exploitation relevant with pedal, also constantly design in the industry multiple newly-designed pedal, bear such as increase and trample intensity, light in structure and quantize or assemble the characteristics such as easy to meet multi-form demand group on the market.Structure-improved such as Taiwan patent No. M436634 mandrel of bicycle treadle, this pedal is provided with the axle that can rotate relative to pedal, axle one end is coupling end, and in coupling end week side surface be provided with the crank that outside thread is threadedly connected to bicycle, the axle other end is for end and be provided with internal thread hole, in addition be connected in internal thread hole with bolt thread, so pedal is subject to the restriction of bolt head, prevents that pedal from deviating from towards the outside towards the axle end.

Above-mentioned this kind restriction location pedal is quite general in the mode of axle, yet in actual use, this axle end needs additional processing to go out internal thread hole, need through two operations such as perforate and screw thread processing, and hold-down bolt restriction location pedal is to the first-class operation of axle, the too much course of processing and assembling operation on a large amount of the manufacturing all increases productive costs, the too much shortcomings such as built-up time of waste.Axle need be born stressed that the rider constantly tramples in addition, so producer also can heat-treat by center roller, to promote the intensity of axle.

In addition, also have a kind of generally meeting the tendency in location pedal occupation mode on axle, it mainly is to impose external force in the end that pedal was passed and be arranged on to axle, and make its head end produce the destruction of expanded outer diameter kenel, owing to adopt this kind mode only can be applicable to the not axle of heat treatment process, so this kind pedal spindle limited on durability.

Summary of the invention

For above shortcoming, the invention provides a kind of easy to assembly, pedal bearing structure that cost is low.

Technical scheme of the present invention provides a kind of pedal bearing structure, and it is characterized in that: it comprises:

One pedal body, it has an axis hole that runs through this pedal body, and two nose ends of this axis hole are respectively the first nose end and the second nose end; And

One axle, its two ends are respectively arranged with a thread segment and a polished rod section, and this polished rod section radially is provided with one or several limiting section, this axle is passed the axis hole of this pedal body, and this thread segment exposes to the first nose end outer rim of axis hole, and this limiting section extends the second nose end radially outer edge of axis hole, utilizes axis hole will limit this pedal body between the thread segment and limiting section of axle, but and relative this axle axial rotation and can not break away from this axle.

Preferably, comprise that also one is sheathed on the spacer ring of the polished rod section of this axle, and this spacer ring is arranged in this second nose end.

Preferably, also include a cover closing member that is arranged on the second nose end of this pedal body.

Preferably, also include and be arranged at two on this pedal body and trample face, and two this trample and be provided with the limited slip piece that several protrusions are trampled face on the face.

Preferably, described limiting section is projection shape structure.

Pedal bearing structure of the present invention can adopt heat treated axle, and do not need the mode of screw thread assembling to assemble, still can allow the pedal strong fix on axle, do not need too much manufacturing procedure can finish pedal and axle assembling operation, being obtained so easily the characteristics such as assembling is simple, cost of manufacture is cheap, is a kind of new pedal bearing structure that has promotional value.

Description of drawings

Fig. 1 is blast structural representation of the present invention.

Fig. 2 is the perspective view of axle of the present invention and pedal body assembling.

Fig. 3 is the schematic perspective view of axle of the present invention and limiting section.

Fig. 4 is the local enlarged diagram of Fig. 3.

Fig. 5 is unitized construction scheme drawing of the present invention.

Fig. 6 is the decomposition texture schematic perspective view of limiting section of the present invention.

Fig. 7 is the local enlarged diagram of Fig. 6.

Fig. 8 is the perspective view of the pedal of first embodiment of the invention.

Fig. 9 is the perspective view of the pedal of second embodiment of the invention.

The specific embodiment

The below is described in further detail the specific embodiment of the present invention.

To shown in Figure 5, a kind of pedal bearing structure of the present invention comprises such as Fig. 1:

One pedal body 1, it comprises that one runs through the axis hole 11 of this pedal body 1, and 11 liang of nose ends of this axis hole are respectively the first nose end 12 and the second nose end 13; This pedal body 1 is that the pedal of being convenient to trample take Mountain bike is as example; And

One axle 2, its two ends have been formed separately a thread segment 21 and a polished rod section 22, and this polished rod section 22 radially is provided with it integrated one or more limiting sections 23 (at this take a limiting section 23 as example), this axle 2 is passed the axis hole 11 of this pedal body 1, consist of the S. A. of this pedal body 1, and this thread segment 21 exposes to axis hole 11 first nose ends 12 outer rims, this thread segment 21 is captiveed joint (in graphic draw) with the bicycle crank screw thread, and this limiting section 23 extends axis hole 11 second nose ends 13 radially outer edges, this pedal body 1 is limited between the thread segment 21 and limiting section 23 of axle 2 by axis hole 11, and relative this axle 2 axial rotation and can not break away from axle 2.

Because utilization of the present invention imposes external force at axle 2 polished rod sections 22 all side surfaces, force these axle 2 polished rod sections 22 surperficial extrusion moldings to go out limiting section 23, and this limiting section 23 protrudes the second nose end 13 radially outer edges, is positioned axle 2 and phase center roller 2 axial rotation but so finish pedal body 1.Therefore, the present invention has the advantages such as assembling is simple, cost of manufacture is low, is the splendid pedal bearing structure of a kind of practicality.

Again with Fig. 1 to structure shown in Figure 5, further specify the structure of pedal bearing structurally associated assembly of the present invention.The present invention can also comprise that one is sheathed on the spacer ring 3 of these axle 2 polished rod sections 22, and this spacer ring 3 is assembled in this second nose end 13, and limiting section 23 can side direction be resisted against the surface (as shown in Figure 3) of this spacer ring 3.Further include a cover closing member 4 that is assembled in this pedal body 1 second nose end 13, so be able to by cover closing member 4 complete this limiting sections 23 and these spacer rings 3 (as shown in Figure 5) of hiding.

In addition, the present invention can also comprise the face of trampling 14 on the two relative surfaces that is arranged on this pedal body 1, and tramples and be provided with the limited slip piece 15 that several protrusions are trampled face 14 on the face 14.

See also shown in Figure 5ly, show among the figure that limiting section 23 of the present invention is oppositely arranged to be arranged in axle 2 polished rod sections 22 all side surfaces places.Fig. 6 and Fig. 7 are the scheme drawings that the present invention is applied in urban type pedal and cross-country type pedal, can by the structure of this limiting section 23, realize the above-mentioned characteristics such as assembling is simple, cost of manufacture is cheap that provide equally.

Above embodiment only is the present invention's a kind of embodiment wherein, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims

1. pedal bearing structure, it is characterized in that: it comprises:

2. pedal bearing structure as claimed in claim 1 is characterized in that: comprise that also one is sheathed on the spacer ring of the polished rod section of this axle, and this spacer ring is arranged in this second nose end.

3. such as claim 1 or pedal bearing structure claimed in claim 2, it is characterized in that: also include a cover closing member that is arranged on the second nose end of this pedal body.

4. pedal bearing structure as claimed in claim 1 is characterized in that: also include and be arranged at two on this pedal body and trample face, and two this trample and be provided with the limited slip piece that several protrusions are trampled face on the face.

5. pedal bearing structure as claimed in claim 1, it is characterized in that: described limiting section is projection shape structure.