CN206494045U - Bicycle shaft treadle reinforced structure - Google Patents

Abstract

The utility model provides a kind of bicycle shaft treadle reinforced structure, and it includes：One inside lining sleeve, an outside plastic case, an Anti-skid sheet；Wherein, the inside lining sleeve of metal material is in hollow form, one end is provided with a head protruded, and outside plastic case is plasticity tubular, fill and fix for the liner tube plug in it, outside plastic case one end is provided with the less end of an internal diameter, it sets a perforation placed for head, and Anti-skid sheet is metal ring plate, Anti-skid sheet is when shape is made in outside plastic case, one is fixed to be incorporated into end, the anchor ring of Anti-skid sheet is anti-slip section, therefore when treadle is locked on wheel shaft, pushed against by the anti-slip section of Anti-skid sheet and contact the hook pawl of back vent, make wearability of the present utility model good, push against effect good, it is difficult treadle is trackslipped with respect to the hook pawl of back vent, loosen phenomenon.

Description

Bicycle shaft treadle reinforced structure

Technical field

The utility model is related in technical field of bicycles, and espespecially for the structure of bicycle shaft treadle, there is provided the last one Change bond strength to avoid the bicycle shaft treadle reinforced structure that wheel deviates.

Background technology

It is agitation, its body-building having, the light communication function of environment-protection low-consumption energy to ride bicycle luxuriant in the world so that The design on bicycle periphery, derivation function are constantly weeded out the old and bring forth the new.

And bicycle is diversified forms according to its function distinguishing, such as Mountaineering vehicle, offroad vehicle, performance car, highway car, recreation vehicle Etc., wherein, performance car is similar with offroad vehicle, is provided with circulator to control 360 degree of front truck crop rotation to rotate freely, and rear Take turns wheel shaft and treadle is installed, to play skill performance.

And wheel shaft installs the structure of treadle, treadle is typically configured to plastic material, treadle one end is threaded onto wheel shaft again, stepped on Bar internal engagement nut, is screw-locked at wheel shaft, the end face of treadle is resisted against the hook pawl lateral surface of back vent, by hooking pawl and nut Clamping；But, rigidity deficiency should not be only existed with the treadle of plastics forming and causes the problem of intensity is not enough, while more significant Problem is plastics treadle end face and hook pawl, the contact surface of nut, when the foot of user steps down in the action for carrying out treadle, because The low-friction coefficient of plastics makes the friction skid resistance of treadle not enough, the relative pawl that hooks of treadle is produced loosening, skidding, more likely The related wheel made on wheel shaft has lateral shift, and tramples treadle situation built on the sand.

No doubt certificate number M445529《Wheel shaft treadle for bicycle》Utility model patent case is called in the following text：With reference to preceding case, It changes the structure of plastics treadle, including an interior layer and an exterior layer, wherein, the interior layer is arranged provided with a support member and one Head, the support member is a hollow cylinder and is provided with a tapered end and an openend, and the support member is arranged in the tapered end provided with one Mouthful, and the exterior layer is coated the support member of the interior layer by mold formed mode and the fixed combination of the body phase of interior layer one In in the exterior layer, by the way that there is provided the structural strength enough to wheel shaft treadle by way of the interior layer is set in the exterior layer And supportive.

But the wheel shaft treadle of preceding case is referred to, it is constituted, and component is various, and it includes exterior layer, support member, and support member is also needed Welding is arranged in advance, and installs a coupling collar being arranged an endoporus, therefore structure is complex, causes manufacturing cost notable Improve, the unfavorable market competitiveness.

Utility model content

Inventor in view of it is foregoing the problem of, and then research and develop diligently, therefore main purpose of the present utility model exists In providing a kind of bicycle shaft treadle reinforced structure, with succinct effective structure, back vent mainly is contacted with to provide treadle for it Hook pawl, with the enough anti-skidding effectiveness of friction, it is ensured that treadle not easily relative to hook pawl skid rotate.

The utility model provides a kind of bicycle shaft treadle reinforced structure, and it includes：

One inside lining sleeve, it is metal material, is internally formed one in hollow and enters hole, it is less that one end axially projects an external diameter Head, the head axially wears one and communicates the axis hole for entering hole；

One outside plastic case, it is the plasticity tubular of hollow form, includes two ends, a respectively first end, one second end are internal For an endoporus fixed for the inside lining sleeve plug sleeve, first end formation one end, the end sets an internal diameter to be less than the endoporus Internal diameter and the perforation placed for the head；

One Anti-skid sheet, it is the ring plate shape of metal, and internal diameter is more than the internal diameter of the perforation of the outside plastic case, Anti-skid sheet one Fixed end for being incorporated into the outside plastic case, the Anti-skid sheet anchor ring is defined as the anti-slip section of a hook pawl for being available for being close proximity to back vent, Interval wears multiple through holes on the anti-slip section, is worn for the outside plastic case and covers the through hole and bury the Anti-skid sheet, the end is not protruded In the anti-slip section.

Wherein, the head of the inside lining sleeve is in concordant state with the anchor ring of the Anti-skid sheet.

Wherein, the outer end rim on the adjacent head of the inside lining sleeve, formation has bevelled to edge together；And the outside plastic case exists The end inner ring radial direction wall forms one, and there is the interior of gradient to support face, for the interior face of supporting with that should be abutted against to edge in inclined-plane is corresponding.

Wherein, the endoporus of the outside plastic case axially cuts open the duct for setting one section of axial length of multiple tracks at second end.

Therefore the utility model can provide following technique effect：

1st, the utility model is the end face that treadle is arranged at the Anti-skid sheet of metal, using Anti-skid sheet preferably wearability with And frictional force, the hook pawl of bicycle is contacted with, after treadle is anchored on wheel shaft, it is ensured that Anti-skid sheet in anchor ring anti-slip section have compared with Good frictional force, effectively contacts and pushes against in the hook pawl for being all rigid, it is to avoid treadle skids or trackslipped easily, makes to trample More feel at ease reliably in the action of treadle.

2nd, structure of the present utility model is more simple, cost is low.The utility model only needs inside lining sleeve, outside plastic case, Anti-skid sheet, Construction is simple, component is few, manufacturing cost is low.

3rd, liner tube plug dress of the present utility model is fixed on the endoporus of outside plastic case, and Anti-skid sheet moulds system in outside plastic case material feeding Bury simultaneously and overlay on end, therefore the combination of Anti-skid sheet and outside plastic case is very firm, will not come off easily.

4th, be provided between outside plastic case of the present utility model and inside lining sleeve, on the outside of inside lining sleeve support edge with the inside of outside plastic case in To face in inclined-plane against increase contact area, and inside lining sleeve project a head to place the corresponding perforation of outside plastic case, to constitute Concavo-convex syntagmatic, makes inside lining sleeve and the plug of outside plastic case fill relation more firm whereby.

5th, the utility model can be fixed on back vent or front fork in order to ensure treadle, and outside plastic case must be stuck in car by treadle Between the hook pawl and wheel shaft of frame, outside plastic case end turns into the main of wheel shaft and nut and back vent or preceding fork hook pawl with hooking pawl and contact Clamping surface.

6th, the low-friction coefficient of outside plastic case of the present utility model, which reduces wheel hub and can slided, causes wheel to deviate vehicle frame The situation of front fork or back vent occurs, and metal surface is placed in into outside plastic case end by unitary plastics ejection formation, so most of Clamping surface area is metal, can strengthen by metal covering and be held on wheel shaft and hook the gripping strength between pawl, greatly drop The possibility that low wheel shaft is slided.

Brief description of the drawings

Fig. 1：The stereogram of the utility model preferred embodiment；

Fig. 2：The three-dimensional exploded view of the utility model preferred embodiment；

Fig. 3：The combination section of the utility model preferred embodiment；

Fig. 4：The combination section of the utility model preferred embodiment.

Description of reference numerals

100 treadles

10 inside lining sleeves 11 enter hole

The axis hole of 12 head 121

13 support edge

The first end of 20 outside plastic case 21

The endoporus of 22 second end 23

231 ducts

Perforate 24 ends 241

Face is supported in 25

The anti-slip section of 30 Anti-skid sheet 31

32 through holes

The back vent of 40 wheel 41

42 hook the wheel shaft of pawl 43

44 nuts.

Embodiment

The utility model provides a kind of bicycle shaft treadle reinforced structure, refer to Fig. 1 to Fig. 4, of the present utility model Treadle 100 includes the Anti-skid sheet 30 that an inside lining sleeve 10, an outside plastic case 20, one form in the outside plastic case 20, wherein：

The inside lining sleeve 10 is metal material, is internally formed one in hollow and enters hole 11, it is smaller that one end axially projects an external diameter Head 12, head 12 axially wears one and communicates the axis hole 121 for entering hole 11, the outer end rim of the adjacent head 12 of inside lining sleeve 10, Formation has bevelled to edge 13 together；

The outside plastic case 20 is in the plasticity tubular of hollow form, and it includes two ends, respectively a first end 21, one second end 22, Inside is an endoporus 23, is fixed to correspondence for the external diameter plug sleeve of inside lining sleeve 10, and endoporus 23 axially cuts open at the second end 22 and sets multiple tracks The duct 231 of one section of axial length, makes endoporus 23 somewhat be expanded here using duct 231, so that the plug of inside lining sleeve 10 is loaded on interior In hole 23, and the end face of first end 21 formation one end 24, end 24 forms the perforation that an internal diameter is less than the internal diameter 23 of the endoporus 241, the inner ring radial direction wall of end 24, formed one have gradient it is interior support face 25, to the inside lining sleeve 10 enter outside plastic case 20 it When, interior be somebody's turn to do to the confession of face 25 abut against to the inclined-plane of edge 13 correspondence, increase contact area to strengthen polarization by means of it；

The Anti-skid sheet 30 is the ring plate shape of metal, and the position of end 24 to be integrally formed in the outside plastic case 20 still, is prevented The inner ring footpath of slide plate 30, which is more than on the internal diameter of the perforation 241 of outside plastic case 20, the anchor ring of Anti-skid sheet 30, is defined as an anti-slip section 31, the on-slip Compartment of terrain wears multiple through holes 32 in portion 31, and to inject during molding shaping, when shaping end 24 by shooting material, it flows plastics Anti-skid sheet 30 is covered to bury, the end 24 for forming the outer circumferential side of Anti-skid sheet 30 is at least in concordant state, therebetween, the plastics that end 24 is flowed The through hole 32 of anti-slip section 31 is flowed through, so as to strengthening the intensity that Anti-skid sheet 30 is incorporated into the end 24 of outside plastic case 20；

When therefore combining, with reference to the outside plastic case 20 of Anti-skid sheet 30, its endoporus 23 is fixed for the outside of inside lining sleeve 10 plug dress, and Make to edge 13 and interior the contacting against in symmetrical slope to face 25, and head 12 then enters in the perforation 241 of the outside plastic case 20, its The axial length on head 12 does not protrude the anti-slip section 31 of the Anti-skid sheet 30 to keep its outer face concordant with end 24, head 12 end faces can be contacted with bicycle, this is group concordantly or less than the end face of anti-slip section 31 with the anti-slip section 31 for ensuring Anti-skid sheet 30 Into wheel shaft treadle 100 of the present utility model.

The utility model is installed on bicycle as shown in Figures 3 and 4, and treadle 100 utilizes the direction of head 12 of inside lining sleeve 10 Wheel shaft 43, the wheel shaft 43 of wheel 40 is penetrated by entering hole 11, makes the anti-slip section 31 of Anti-skid sheet 30 directly against after touching and being resisted against The lateral surface of hook pawl 42 of fork 41, coordinates nut 44 to extend into hole 11 and be anchored on wheel shaft 43, and the correspondence end face of nut 44 can be supported The inner face of head 12 of inner lining 10；It is that there is rigidity with hooking pawl 42 because Anti-skid sheet 30 of the present utility model is metal Material, so the wearability of anti-slip section 31 using Anti-skid sheet 30 it is good, tight against anti-skidding effect, improve surface contact friction Power, is effectively pushed against in hooking the lateral surface of pawl 42, and treadle 100, which is greatly reduced, the possibility trackslipped relative to hook pawl 42.

Summary, overall really tool industrial applicability and the innovation benefit, and its structure of content disclosed in the utility model All books and periodicals had not been seen again into structure or had openly been used, and really met utility application key element.

It should be noted that the technical principle described above for being specific embodiment of the utility model and being used, if According to the made change of conception of the present utility model, the essence that the function produced by it is still covered without departing from specification and accompanying drawing When refreshing, all should in scope of patent protection of the present utility model, it is hereby stated that.

Claims (4)

1. a kind of bicycle shaft treadle reinforced structure, it is characterised in that it includes：

One inside lining sleeve, it is metal material, is internally formed one in hollow and enters hole, one end axially projects the less head of an external diameter Portion, the head axially wears one and communicates the axis hole for entering hole；

One outside plastic case, it is the plasticity tubular of hollow form, including two ends, a respectively first end, one second end, inside supplies for one The endoporus that the inside lining sleeve plug sleeve is fixed, first end formation one end, the end sets an internal diameter to be less than the internal diameter of the endoporus simultaneously And the perforation for supplying the head to place；

One Anti-skid sheet, it is the ring plate shape of metal, and internal diameter is more than the internal diameter of the perforation of the outside plastic case, and the Anti-skid sheet is integrally fixed The end of the outside plastic case is incorporated into, the Anti-skid sheet anchor ring supplies to be close proximity on the anti-slip section of the hook pawl of back vent, the anti-slip section for one Interval wears multiple through holes, is worn for the outside plastic case and covers the through hole and bury the Anti-skid sheet, the end does not protrude from the anti-slip section.

2. bicycle shaft treadle reinforced structure as claimed in claim 1, it is characterised in that the head of the inside lining sleeve is with being somebody's turn to do The anchor ring of Anti-skid sheet is in concordant state.

3. bicycle shaft treadle reinforced structure as claimed in claim 1, it is characterised in that the adjacent head of the inside lining sleeve Outer end rim, formation has bevelled to edge together；And the outside plastic case has gradient in the end inner ring radial direction wall formation one It is interior support face, for this, interior to support face with that should support edge be in that inclined-plane is corresponding abut against.

4. bicycle shaft treadle reinforced structure as claimed in claim 1, it is characterised in that the endoporus of the outside plastic case is at this Second end, which is axially cutd open, sets multiple tracks duct.