CN2134345Y

CN2134345Y - Inline Accelerator Grips for Bicycles

Info

Publication number: CN2134345Y
Application number: CN 92207476
Authority: CN
Inventors: 廖学金
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-04-17
Filing date: 1992-04-17
Publication date: 1993-05-26
Anticipated expiration: 2002-04-17

Abstract

The inner inserting accelerating handle for bicycle is an inner inserting extending structure, its inclined cone inserting section 10 is connected with handle main body 20 and tube cover 30 into one body by means of inner hexagon head bolt 40, and the inclined cone inserting section 10 is inserted into two end cavities of handle tube material A, and the adjustable handle 22 can have any position in the plane or conical surface crossed on the axis of handle tube material A. When the accelerating holding rod is arranged on the handlebar of the mountain-climbing bicycle, a rider can greatly improve riding efficiency and durability, particularly in the situations of climbing and accelerating.

Description

Inner insertion accelerating handlebar of bicycle

The utility model relates to bicycle structure to be improved, and particularly relates to the improvement at bicycle for mountain-climbing handgrip position.

Prior art bicycle for mountain-climbing handgrip is designed to fixed form, sees Fig. 1, and the cyclist is when driving, and palm, wrist and arm can only be yielded to the fixed form of handgrip, takes unmodified to grip posture, and the time is easy to fatigue for a long time; Particularly, bicycle for mountain-climbing often will be in the travels down of abominable situation, climb or acceleration with all strength, at this moment the cyclist can stand in firmly to step on the stretcher and pedal, and the fixed form handgrip that is adapted at smooth road running can not properly with it cooperate, and gives full play to usefulness and influences lasting endurance thereby limited the cyclist.

Commercially available bicycle has several extension apparatus that install additional on handgrip at present, sees Fig. 2, in order that allow the cyclist can conversion grip posture in the process of driving.But these extension apparatus are all at the middle section position of driver's handle, influence is to the control of brake handle and shifter bar, also make the two ends of cyclist's both hands simultaneously away from driver's handle, so that the leverage of control when influence drives, cause bicycle for mountain-climbing to travel and under the situation of abominable road surface, control instability, and because cyclist's both hands away from brake handle, hinder control and braking ability to brake, thereby have increased the danger that drives.

Chinese patent CN2078284U discloses the key name technology for " adjustable handlebar ", and it not only can be used to adjust the height and the width of driver's handle, or front and back, upper-lower position and can be in the middle adjustment of advancing.But the driver of this technology is being made up of cross handle and hard axle, the top has one to connect assembly, complex structure, and require cross handle is designed to left and right sides two halves cross handle, or at the affixed gear in integrally-built cross handle middle part as coupling member, thereby only be suitable for the new car manufacturing, be inconvenient to be used for the repacking of existing bicycle for mountain-climbing.

The purpose of this utility model is to avoid above-mentioned the deficiencies in the prior art part and a kind of accelerating handle-stem that is fit to be installed on the common bicycle for mountain-climbing handgrip is provided, the cyclist is by described accelerating handle-stem, according to personal preference, stature, be accustomed to, drive posture and different car type, appropriate adjust it and driver between angle, make palm, wrist and arm to grip with the most comfortable, labour-saving posture, thereby be particularly conducive to match acceleration unexpectedly or catch up with and surpass distance, and can improve the stability of travelling, guarantee to drive safety, increase the lasting endurance that drives.

The purpose of this utility model can reach by following measure: make the interpolation type accelerating handle-stem of bicycle, be loaded on the both ends of driver's handle.This is a kind of interpolation type extension structure, comprises that oblique cone inserts section, holding rod main body, pipe lid and Allen bolt.Oblique cone inserts section by Allen bolt, connect into as a whole with holding rod main body and Guan Gai, insert section with oblique cone and insert the driver in the chamber, tubing both ends, the holding rod that can adjust the holding rod main body has the optional position in the plane of tubing axis or circular conical surface intersecting at the driver, screw Allen bolt then, make it fixing.

The drawing of accompanying drawing is described as follows:

Fig. 1 is existing bicycle for mountain-climbing handgrip and grips the posture scheme drawing;

Fig. 2 is existing bicycle for mountain-climbing handgrip extension apparatus scheme drawing;

Fig. 3 is the utility model interpolation type extension structure decomposing schematic representation;

Fig. 4 is described interpolation type extension structure and bicycle for mountain-climbing handgrip combination scheme drawing;

Fig. 5 is several gripping postures after bicycle for mountain-climbing handgrip dress is used structure of the present invention;

Fig. 6 is a kind of comparison scheme drawing that grips posture with general ten sections variable speed bicycles gripping postures of adorning with after the utility model structure.

Be described in further detail below in conjunction with most preferred embodiment shown in the drawings:

Interpolation type extension structure of the present utility model is loaded on the both ends of driver's handle, sees Fig. 4.Comprise that oblique cone inserts section 10, holding rod main body 20, pipe and covers 30 and Allen bolt 40.Oblique cone inserts section 10 by Allen bolt 40, with holding rod main body 20 and pipe cover 30 connect to as a whole.Seen that by Fig. 3 oblique cone inserts slightly tapering of section 10 outer rims, there is vertical burr 11 on the surface, and the one end is inclined-plane 12, and inside is that hole wall is attacked and is shaped on screw thread with respect to self axis accentric through hole 13 slightly.Holding rod main body 20, it is inner that one end is inclined-plane 21 along the spindle axis perforation, middle appropriate location is protruding with holding rod 22.Pipe covers 30 1 ends flange 31, and end face caves in, and is cylindrical grooves 32, and whole pipe lid connects along central axial line, and except that flange 31, remainder can insert in the through hole of holding rod main body 20.Allen bolt 40, its screw rod 41 just can pass pipe cover 30 and holding rod main body 20 in through hole, the thread segment of screw rod 41 ends then screws in oblique cone and inserts in the tapped bore 13 of section 10, bolt cap 42 sinks to manage and covers in 30 the groove 32.

During assembling, see Fig. 3 and Fig. 4, at first Allen bolt 40 being penetrated pipe covers in 30 the through hole, to manage again and cover 30 and put among the holding rod main body 20, allow then oblique cone insert section 10 with the inclined-plane 21 of its inclined-plane 12 and holding rod main body 20 mutually card close, turn Allen bolt 40, the thread segment of its screw rod 41 is screwed in the tapped bore 13 of oblique cone insertion section 10, so oblique cone inserts section 10, holding rod main body 20, the pipe cover 30 and Allen bolt 40 connect to as a whole, insert section 10 with oblique cone then and insert the driver in the chamber, tubing A both ends, after to be inserted the putting in place, can be according to cyclist's personal habits, the holding rod 22 of adjusting holding rod main body 20 has the optional position in the plane of tubing A axis or circular conical surface intersecting at the driver, screws Allen bolt 40 then, makes it fixing.Because it is slightly eccentric that oblique cone inserts the tapped bore 13 of section 10, when Allen bolt 40 screws in it, can make oblique cone insert section 10 and form skew, prop up the driver in view of the above the inwall of tubing A.Bolt 40 revolves tightly more, and the inwall contact of it and tubing A is also tight more, increases friction force because oblique cone inserts vertical burr 11 of section surface simultaneously, thus will speed up holding rod insert firmly solid, be locked in the driver the two ends of tubing A.Since oblique cone insert section 10 and holding rod main body 20 be with inclined-

plane

12,21 mutually card close, can guarantee that the contact between them is not become flexible, thereby it is constant that the use angle of adjusting is stablized.

The bicycle for mountain-climbing handgrip is installed accelerating handle-stem of the present utility model, puts in order owing to grip adjustable angle, has increased at least ten kinds of existing drivers the gripping posture that can not possess, and figure is its several examples only.In addition, as shown in Figure 6, under the situation of climbing and acceleration, the cyclist can rotate 90 degree from the grip position of custom with hand and wrist, be placed on the accelerating handle-stem of the present invention, so, the cyclist can stand on the pedal, be used for trample action, to obtain the climbing or the acceleration effect of peak efficiency with all strength.

Compare with prior art, the utility model has the advantage of: bicycle for mountain-climbing handgrip dress is used this accelerating handle-stem, and the cyclist will increase substantially by bike efficient, increases endurance, especially in the situation of climbing and accelerating. Secondly, the utility model can be adjusted to optimal position when mounted according to the difference of cyclist individual's hobby, stature (arm length), custom and bicycle car type, can do the properest cooperating with riding the people, makes him feel handy. At last, accelerating handle-stem of the present utility model is not only applicable to make new bicycle for mountain-climbing, is applicable to too to be installed on the old bicycle.

Claims

1, the interpolation type accelerating handle-stem of bicycle is loaded on the both ends of driver's handle, it is characterized in that: be a kind of interpolation type extension structure, comprise that oblique cone inserts section 10, holding rod main body 20, pipe and covers 30 and Allen bolt 40; Oblique cone inserts section 10 by Allen bolt 40, with holding rod main body 20 and pipe cover 30 connect to as a whole, insert section 10 with oblique cone and insert the driver in the chamber, tubing A both ends, the holding rod 22 that can adjust holding rod main body 20 has the optional position in the plane of tubing A axis or circular conical surface intersecting at the driver, screw Allen bolt 40 then, make it fixing.

2, according to the interpolation type accelerating handle-stem of the described bicycle of claim 1, it is characterized in that: oblique cone inserts slightly tapering of section 10 outer rims, and there is vertical burr 11 on the surface, and the one end is inclined-plane 12, inside is that hole wall is attacked and is shaped on screw thread with respect to self axis accentric through hole 13 slightly.

3, according to the interpolation type accelerating handle-stem of the described bicycle of claim 1, it is characterized in that: holding rod main body 20, it is inner that one end is inclined-plane 21 along the spindle axis perforation, middle appropriate location is protruding with holding rod 22.

4, according to the interpolation type accelerating handle-stem of the described bicycle of claim 1, it is characterized in that: described pipe lid 30, one ends have flange 31, end face caves in, and is cylindrical grooves 32, and whole pipe lid connects along central axial line, except that flange 31, remainder can insert in the through hole of holding rod main body 20.

5, according to the interpolation type accelerating handle-stem of the described bicycle of claim 1, it is characterized in that: described Allen bolt 40, its screw rod 41 just can pass pipe and cover 30 and the interior through hole of holding rod main body 20, the thread segment of screw rod 41 ends then screws in oblique cone and inserts in the tapped bore 13 of section 10, and bolt cap 42 sinks to pipe and covers in 30 the groove 32.