CN2311423Y

CN2311423Y - Adjustable angle and anti-slipping handle-bar stem

Info

Publication number: CN2311423Y
Application number: CN 97234791
Authority: CN
Inventors: 洪志生
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-06-13
Filing date: 1997-06-13
Publication date: 1999-03-24
Anticipated expiration: 2007-06-13

Abstract

The utility model relates to an upright pipe of a vehicle handle, which can adjust angles and prevent slippage, mainly comprising an inserting pipe which is inserted into an upright pipe of a vehicle body. The top surface of the inserting pipe is provided with a cambered concave surface with a plurality of long clamping teeth, and the cambered concave surface matches with a connecting ring with an edge surface of clamping teeth, and the connecting ring is connected with a main pipe. A long screw bolt is penetrated through the connected ring and is extended in the inserting pipe to fix the main pipe and the inserting pipe. A straight pipe can be inserted and fixedly locked in the main pipe, and the straight pipe is provided with a limiting and stopping block which is convexly arranged and positioned out of an open slot prearranged on the main pipe. The connection of the vehicle handle and the upright pipe is completed by the configuration of the utility model, and besides, the utility model has the efficacy of adjusting the angle and the height of the vehicle handle and preventing the accidental slippage of the vehicle handle.

Description

Adjustable angle and prevent the handlebar vertical tube of slippage

The utility model relates to bicycle handle bar's vertical tube, refer to especially a kind of adjustable car load angle, highly, and can prevent the modifying device of handlebar and vertical tube slippage.

The bicycle spare part is more and more diversified, and assembly adjusted to meet cyclist's needs and also become design objective already, and adjustable bicycle handle also be can not burst design.Early stage angle adjustable handlebar, see also shown in Figure 1ly, its top ends in a vertical tube 1 is welded a brace 2, and the end cross of this brace 2 is established one and tightened pipe 3, bicycle handle promptly gets and penetrates this and tighten pipe 3, and this is tightened pipe 3 and uses fixedly handlebar to be adjusted into the tight bundle in suitable position back.

And its angle adjustable of adjustment type handlebar vertical tube that this commonly uses is limited, the crystallized ability deficiency, and the dealer researches and develops other adjustable handlebar vertical tubes then separately, as shown in Figure 2, the shortcoming that this kind of thought commonly used structure is its planform complexity, and the winding element is a lot of, and assembling fails to reach easy, fast speed effect.Former, configuration is succinct, easily assembled, convenience is adjusted, the handlebar vertical tube of secure function how to design one group, is research and development target of the present utility model.

Main purpose of the present utility model, just be the handlebar vertical tube that a kind of adjustable angle is provided and prevents slippage, finish being connected of handlebar and vertical tube to reach the planform of simplifying and assembly, easily assembled, have convenient the adjustment and fixing handlebar angle, highly, and prevent the effect of handlebar accident slippage.

The purpose of this utility model is achieved in that promptly, this adjustable angle that provides and the handlebar vertical tube that prevents slippage, and it mainly comprises a hollow insertion pipe, inserts in the vertical tube of car body; What one handlebar Connection Block comprised that a straight tube and end thereof be horizontally set with one can wear the pivot and the fixing packing pipe of handlebar; This insertion pipe end face is provided with the arc concave surface of several microscler latches of tool, and central authorities establish a perforation; One end of being responsible for is horizontally set with a T-Ring, the end face of this T-Ring and this person in charge's the edge face of receiving is established an opening, the lateral margin in addition of this T-Ring also is provided with an elongated opening in the position of this opening relatively, and be provided with a latch edge face at the T-Ring outer edge surface of this elongated opening periphery, microscler latch engagement with this insertion pipe, and the elongated opening that should be responsible for is corresponding with this perforation, an overbolt is penetrated by the opening of this T-Ring pass this elongated opening, perforation respectively and go in this insertion pipe; Be provided with a cushion block between the bolt head of this overbolt and the elongated opening of this T-Ring, this cushion block provides a plane and an arc surface to conflict with the inner edge surface of this bolt head bottom and this T-Ring respectively; This person in charge's other end wall is longitudinally set with a fluting, radially is convexly equipped with an interlocking seat respectively in the dual-side wall of this fluting proximal port, wears the straight tube packing that lock will be through in being responsible for for a bolt and fixes; This straight tube the other end outer rim is established one and is placed restrictions on piece being responsible for slotting position, and this straight tube is established among the person in charge, and this is placed restrictions on piece and establishes the position and protrude from outside this fluting.Finish being connected of handlebar and vertical tube by above-mentioned planform of simplifying and assembly.

Progressive effect of the present utility model is that it is easily assembled, has convenient the adjustment and fixing handlebar angle, highly, and prevents the effect of handlebar accident slippage.

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a handlebar vertical tube scheme drawing of commonly using adjustable angle.

Fig. 2 commonly uses handlebar montant STRUCTURE DECOMPOSITION scheme drawing.

Fig. 3 is a three-dimensional exploded view of the present utility model.

Fig. 4 is a combination outside drawing of the present utility model.

Fig. 5 is a combination cross-sectional schematic of the present utility model.

Fig. 6 is the utility model handlebar angular adjustment scheme drawing.

Fig. 7 is the utility model handlebar height adjustment scheme drawing.

See also Fig. 3 to shown in Figure 5.

The utility model mainly comprises a hollow insertion pipe 10, its bottom is cut and is established an inclined-plane 11, the proximal portion outer rim swollen extension diameter section 12 that convexes into of radially postponing, the end face of this extension diameter section 12 is to be an arc concave surface 121, the central authorities of this arc concave surface 121 establish a perforation 122 leads to this insertion pipe 10, and is provided with several microscler latches 123 in the interlude of this arc concave surface 121;

One is responsible for 21, this person in charge 21 is hollow shape, the one end is horizontally set with a T-Ring 22, the end face of this T-Ring 22 and this person in charge's 21 the edge face of receiving is established an opening 221, another lateral margin of this T-Ring 22 position of this opening 221 relatively also is provided with an elongated opening 222, and is provided with a latch edge face 223 at T-Ring 22 outer edge surfaces of these elongated opening 222 peripheries; The both sides of this T-Ring 22 are respectively filled out and are established a mounting 225;

This latch edge face 223 promptly with microscler latch 123 engagement of this insertion pipe 10, and the elongated opening 222 that is somebody's turn to do the person in charge 21 is corresponding with this perforation 122, make to penetrate by the opening 221 of this T-Ring 22 and pass this elongated opening 222, perforation 122 respectively and go in this insertion pipe 10, its bottom clamp holder 13 that this insertion pipe 10 and swivel nut one cooperate with these insertion pipe 10 inclined-planes 11 that stretches through out with an overbolt 23; Be provided with a cushion block 232 between the bolt head 231 of this overbolt 23 and the elongated opening 222 of this T-Ring 22, this cushion block 232 provide a plane and an arc surface respectively with the inner edge surface butt of these bolt head 231 bottoms and this T-Ring 22; The top of this bolt head 231 is arranged with the work nest 233 of a dihedral, but makes and to insert in this this overbolt 23 of work nest 233 turns with hand tool;

Again, this person in charge's 21 other end wall is longitudinally set with a fluting 24, radially is convexly equipped with an interlocking seat 25 respectively in the dual-side wall of these 24 proximal ports of slotting;

One handlebar Connection Block 30 has an external diameter and is equivalent to this straight tube of being responsible for 21 internal diameters 31, and an end of this straight tube 31 is horizontally set with the packing pipe 32 that can adjust the packing degree, and this packing pipe 32 is promptly worn pivot for the central authorities of this handlebar 40 and fixed; The establishing of this straight tube 31 is convexly equipped with one into the end outer rim and places restrictions on piece 33.It is corresponding and protrude this persons in charge's 21 fluting 24 and establish in this person in charge 21 that this straight tube 31 is placed restrictions on piece 33 with this, passes this two interlockings seat 25 with a bolt 253 and must use packing fixedly to establish into its interior straight tube 31 with two sidewalls of this fluting 24 relatively to peri-position;

By above-mentioned structure, the utility model is finished being connected of handlebar 40 and vertical tube 50 with the planform of simplifying and assembly.This insertion pipe 10 is directly to insert in the vertical tube 50 of car body, and limits this insertion pipe 10 with the portion of receiving of this extension diameter section 12 and insertion pipe 10 outer rims and establish the degree of depth into this vertical tube 50, and is tight against these vertical tube 50 inner edges and can trackslip arbitrarily; And the utility model has in addition and adjusts handlebar 40 angles, highly, and prevents from the function of handlebar 40 unexpected slippages to see also shown in Figure 6.

In the time will adjusting the angle of handlebar 40, be able to hand tool this overbolt 23 that slightly uncages, remove this person in charge's 21 latch edge face 223 and insertion pipe 10 microscler latch 123 closed-bite maloccllusion states, promptly get according to required angle and cooperate the size of this latch edge face 223 and adjust this person in charge's 21 angle of inclination, promptly get the inclination angle of setting this handlebar 40.To be adjusted during to predetermined angular, tightly lock this overbolt 23 again, reply the state of tightly stinging that this is responsible for 21 latch edge faces 223 and the microscler latch 123 of insertion pipe, can should be responsible for 21 by strong fix.The utility model considers that especially this person in charge 21 connects being subjected to heavily of handlebar Connection Block 30 and its end, handlebar 40 back, a plurality ofly cooperate and the microscler latch 123 of this insertion pipe 10 is made as with this latch edge face 223, except that the fixed-area that increases solid interlock, even be responsible for 21 angles of inclination that are adjusted to the limit, still possess several microscler latches 123 and do the actv. closed-bite maloccllusion with part latch edge face 223.

See also shown in Figure 7 at last.When need are adjusted handlebar 40 height, can omit this person in charge's 21 of pine oil bolt 253, pine oil should be responsible for the state of the straight tube 31 of this handlebar Connection Block 30 of 21 packings, this handlebar Connection Block 30 can be adjusted up and down, during to predetermined altitude, again this bolt 253 is locked again, to drawing the sidewall of compeling this fluting 24, make this straight tube 31 of packing relatively.Though only straight tube 31 can reach friction tight fixed effect with the person in charge 21, but because of being responsible for 21 inner edges and straight tube 31 outer rims are all level and smooth edge face, if when meeting excessive shake rolling of bicycle or external force collision, probably cannot say for sure to demonstrate,prove this straight tube 31 can separate with the person in charge 21 scarcely, at this moment, maximum utility promptly takes place in the piece 33 of placing restrictions on of this straight tube 31, because this places restrictions on piece 33 is to protrude outside this person in charge's 21 the fluting 24, when the bottom of this straight tube 31 has been stretched to nearly these person in charge's 21 opening ora terminalis, this is placed restrictions on piece 33 and can fasten on this bolt 253, stretch once again and limit this straight tube 31, this kind design except that can limiting straight tube 31 stretched lengths, the danger that causes handlebar 40 to separate in the time of more can preventing excessive shake rolling of bicycle or external force collision with vertical tube 50.

Claims

1, a kind of adjustable angle and prevent the handlebar vertical tube of slippage, comprise a hollow insertion pipe (10), its bottom is cut and is established an inclined-plane (11), one overbolt (23) is stretched through and is descended by this insertion pipe (10) top, the bottom connects establishes a clamp holder (13) that also has the inclined-plane and cooperates with the inclined-plane (11) of insertion pipe (10), this insertion pipe (10) inserts in the vertical tube (50) of car body, what one handlebar Connection Block (30) comprised that a straight tube (31) and end thereof be horizontally set with one can wear the pivot and the fixing packing pipe (32) of handlebar (40), it is characterized in that:

The end face of this insertion pipe (10) is to be an arc concave surface (121), and the central authorities of this arc concave surface (121) establish a perforation (122) and pass for this overbolt (23); And be provided with several microscler latches (123) in the interlude of this arc concave surface (121),

One is responsible for (21), this person in charge (21) is hollow shape, the one end is horizontally set with a T-Ring (22), the end face of this T-Ring (22) and this person in charge's (21) the edge face of receiving is established an opening (221), another lateral margin of this T-Ring (22) position of this opening (221) relatively also is provided with an elongated opening (222), and be provided with a latch edge face (223) at T-Ring (22) outer edge surface of this elongated opening (222) periphery, microscler latch (123) engagement with this insertion pipe (10), and the elongated opening (222) that should be responsible for (21) is corresponding with this perforation (122), this overbolt (23) is penetrated by the opening (221) of this T-Ring (22), pass this elongated opening (222) respectively, perforation (122) and going in this insertion pipe (10), be provided with a cushion block (232) between the bolt head (231) of this overbolt (23) and the elongated opening (222) of this T-Ring (22), this cushion block (232) provide a plane and an arc surface respectively with the inner edge surface butt of this bolt head (231) bottom and this T-Ring (22)

Wear the straight tube (31) of this handlebar Connection Block (30) in this person in charge (21), this person in charge's (21) other end wall is longitudinally set with a fluting (24), radially being convexly equipped with an interlocking seat (25) respectively in the dual-side wall of this fluting (24) proximal port wears lock for a bolt (253) this straight tube (31) packing is fixed, this straight tube (31) is established into the end outer rim and is established one and place restrictions on piece (33) being responsible for (21) fluting (24) position, this straight tube (31) is established among the person in charge (21), this place restrictions on piece (33) establish the position and protrude from outside this fluting (24).