CN2210836Y - Positioning device for seat pillar of bicycle - Google Patents

Abstract

The utility model relates to a positioning device for the vertical tube of a bicycle seat cushion, and mainly comprises a base seat, an upper cover, an adjusting seat, a leading block and a clamping pin. The base seat is provided with the leading block with a sliding hole and an extending slot. The upper cover is also provided with a sliding hole and an extending slot. The clamping pin for positioning the adjusting seat and the leading block is provided with a pyramidal part, and the peripheral face of the upper end of the clamping pin is provided with a plurality of gaps. Making use of the clamping pin which is embedded and penetrated in the leading block and the adjusting seat, the direction of the seat cushion is adjusted by the utility model which moves along the sliding hole. The utility model solves the problems that the components of past positioning device for the vertical tube of a bicycle seat cushion are complexly to assembled, and are unstable when positioned.

Description

Positioning device for seat pillar of bicycle

The utility model relates to a kind of registration device of bicycle base riser, and particularly a kind of registration device of being convenient to adjust the base riser of seat cushion position mainly is to utilize orienting lug, blocking pin fit adjustment seat to assemble; The pedestal of seat cushion, loam cake are respectively settled orienting lug at opposite face, and the location is adjusted seat and worn orienting lug, adjusts seat with the blocking pin embedding of orienting lug, make and adjust seat along the orientation of orienting lug slippage with the adjustment seat cushion, and good location, directionality is provided.

Bicycle is equipped with seat cushion for people's saddle horse, and seat cushion normally has hack lever with in the relevant setting of abutment pipe by the seat cushion bottom surface with the combination of seat pipe, following seat folder is established, and make seat cushion be able to the fore-and-aft adjustment height, the current base riser combined structure that has a kind of than novelty, as the Taiwan patent announcement number is 22663 No. three " cushion standpipe structural improvement " (be designated hereinafter simply as patent before case), its structure is shown in accompanying drawing 8～10, it is at loam cake 6 and adjusts the hack lever that inserts and puts seat cushion between the seat 4 and stride the setting position, adjust angular way, adopt spring 5 bottom hooks to put on pedestal 3 in-to-in latches 312, the top hook fixes on the post tip 45 that raises in the bed rearrangement 4, loam cake 6 both sides each with pedestal 3 collocation one bolt, the cylinder of tool screw, members such as semicylinder give spiral shell and wear the location; Revolve as angle along pedestal 3 adjusting that seat 4 utilizes spring 5 and to move, after adjusting, again at pedestal 3 with adjust seat 4 both sides and give screw lock and fix; But there is following shortcoming in this structure.

(1) utilize spring 5 as adjustable activity space, cause spring 5 very easily to can't bear to use because of elastic fatigue, there is the situation of rocking to be difficult for directed on the contrary when adjustment being arranged if the Flexible Design of spring 5 is lax, if spring 5 tensions then cause resistance, be difficult to adjust, therefore utilize spring 5 to adjust radian, have poor durability, the problem that the location is unstable as adjusting seat 4.

(2) pedestal 3 is with to adjust related elements such as seat 4 both sides barrel bolt too various, and needs both sides locking, both sides to unclamp, and increases the adjustment time, and element is many and complicated, increases cost.

Main purpose of the present utility model is to provide a kind of registration device that can overcome the bicycle base riser of above-mentioned shortcoming, mainly is to cooperate the assembling of adjusting seat, blocking pin; Utilize the embedding of blocking pin to wear orienting lug, adjustment seat, make and adjust seat in adjusting angle, cooperation blocking pin is shifted along the slip hole track, reaches to have preferable directionality when adjusting seat cushion.

The technical solution of the utility model is:

At opposite face slip hole is set at pedestal, loam cake, expands groove or settles the orienting lug that has slip hole, expands groove, be used to make and adjust the blocking pin that seat and orienting lug are located, embedding is worn orienting lug, is adjusted seat, cooperates the blocking pin to be shifted along the slip hole track, reaches the purpose of adjusting the seat cushion orientation.

The concrete structure of the registration device of bicycle base riser of the present utility model is as follows:

It comprises a pedestal, an adjustment seat, a loam cake, a hack lever, an orienting lug and a blocking pin, its assembling mode: foot-operated saddle tube end face is a pedestal, and pedestal is an arcs of recesses, for adjusting the seat location, adjust seat again the hack lever of rebasing of abutment stride and put, loam cake is located at adjusts a seat end face;

Loam cake can compel relatively to close and unclamp on described pedestal, and the end face of loam cake runs through a microscler slip hole, with the tapering blocking that cooperates the blocking pin wherein;

Pedestal opposite face central authorities evenly settle described orienting lug, and this orienting lug is that an arc block runs through microscler slip hole together at end face with parallel hack lever direction, and bigger expansion groove is established in position, the tapering expansion of the relative blocking pin of the slip hole all sides of one side;

One cooperates the location to adjust the blocking pin of seat and orienting lug, and it is the tapering that a short nail body is at one end established the tool pushing and drawing shape, and side face is all offered several gaps bottom the tapering;

Adjust seat and comprise upper and lower seat, upper and lower seat central authorities orienting lug relatively run through and establish a perforation, so as to cooperating the blocking pin through upper and lower seat and orienting lug is worn in embedding, adjust the position of seat cushion together with the displacement of blocking pin in order to adjusting seat.

Described loam cake settles the tapering can be arranged with more large-area expansion groove at microscler slip hole relatively, to cooperate the arrangement of blocking pin.

Described pedestal one end can be offered breach, the other end can be equipped with the protruding end and be pivoted for loam cake, and each relative breach of loam cake and protruding end respectively are provided with wing groove, and the wing groove of breach is worn for the excellent pivot of wearing of a tool screw relatively, make bolt be plugged on breach and spiral shell is worn rod, adjust seat with clamping.

Described pedestal end face can be arranged with a groove to settle orienting lug.

The utility model and traditional registration device relatively have following effect:

Polarization, directionality that 1 the utility model is adjusted are preferable: utilize the blocking pin to be fastened in the orienting lug, the blocking pin wears and adjusts seat again, make hack lever can have a directional tagging together with the adjustment angle of adjusting seat, especially the blocking pin is limited to the directed displacement of expansion groove of orienting lug, form directed really track effect, on adjusting, be difficult for rocking and be adjusted to easily and need angle.

2 adjust before and after, only need unclamp or the packing bolt get final product, need not both sides and adjust degree of tightness, and element constitutes and quite simplifies, easy to manufacture, be convenient to operate, with low cost.

3 orienting lugs and blocking pin, adjustment toilet are in blocking, especially utilize the tapering tool pushing and drawing shape of blocking pin, and the thick subdivision of peripheral meat is gapped to be convenient to quick assembling by approaching dwindling in the middle of assembling, after packing into, because of the gradient in tapering in addition the gap mutually away from restoring to the original state outer in the past expanded support, resist the slip hole that expands groove and be difficult to extract orienting lug, guarantee blocking pin stack-mounted stability, also so further ensure the directed convenience of seat cushion adjustment angle.

Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is a three-dimensional exploded view of the present utility model.

Fig. 2 is an adjustment seat clamping hack lever cross-sectional end view of the present utility model.

Fig. 3 is a side view cutaway drawing of adjusting seat and base part of the present utility model.

Fig. 4, the 5th, the scheme drawing of adjusting seat and pedestal adjustment state of the present utility model.

Fig. 6 is the embodiment lateral plan that loam cake of the present utility model changes.

Fig. 7 is the embodiment birds-eye view that loam cake of the present utility model changes.

Fig. 8 is the three-dimensional exploded view of registration device of the base riser of disclosed relevant patent.

Fig. 9 is the scheme drawing of the registration device of base riser shown in Figure 8.

Figure 10 is the combination stereogram of the registration device of base riser shown in Figure 8.

The utility model is a kind of registration device of bicycle base riser, please referring to Fig. 1～3, mainly is seat pipe 100, adjustment seat 20, loam cake 30 cooperation assemblings; Seat pipe 100 end faces are pedestal 10, its end face has cambered surface, there is a groove 12 in central authorities to settle an orienting lug 25, this orienting lug 25 is that an arc block is in hack lever 40 directions of end face with parallel groove 12 long width of cloth directions or seat cushion bottom surface, run through microscler slip hole 251 together, all sides in the relative blocking pin of slip hole 251 half degree of depth 26 taperings 261 expand establishes wider expansion groove 253; Orienting lug 25 collocation blocking pins 26 fasten is adjusting seat 20, this blocking pin 26 is that a short nail body at one end is set as the tapering 261 with pushing and drawing shape, the all face thickness that rises in the stage casing along to the tapering 261 bottoms all cut the gap 263 that is set as several five equilibriums open, make several gaps 263 in central authorities' formation elasticity of having living space; Again, pedestal 10 1 ends offer breach 13, and the other end is equipped with protruding end 11 and is pivoted for loam cake 30; Adjust seat 20 and comprise upper and lower seat 21,24, its the two be upper and lower symmetrical semicircle sheet, upper and lower seat 21,24 all is arranged with short slot 23 at the both sides horizontal surface, and with hack lever 40 arrangements of the rebasing portion of abutment respectively, upper and lower seat 21,24 central orienting lugs 25 relatively all run through establishes a perforation 22; Loam cake 30 is an arch bridge shape pedestal, a groove 31 of settling orienting lug 25 is relatively also established in the bottom surface, and two ends respectively are arranged with a wing groove 32,321 that is penetrated with hole, with each relative breach 13 and protruding end 11, and wing groove 32 is worn for wearing excellent 33 pivots, and this is worn excellent 33 central authorities and is provided with screw 331.

During assembling, making the wing groove 321 of loam cake 30 be plugged on 11 both sides, protruding end wears with the barrel bolt pivot, secondly, one orienting lug 25 posts following 24 bottom surfaces 22 places of perforation relatively with slip hole 251 directions, to cooperate blocking pin 26 its taperings 261 through boring a hole 22 and push slip hole 251, tapering 261 is resisted against in the expansion groove 253 can not deviates from slip hole 251, same way as, the seat of honour 21 and orienting lug 25, blocking pin 26 combinations are also identical, make two orienting lugs, 25 directions and last, following seat 21,24 is vertical, again secondly, wear excellent 33 and pass wing groove 32 so that screw 331 exposes middle, bolt 14 is inserted by breach 13 and passes screw 331 with spiral shell, and the hack lever 40 that reaches seat cushion waits each related elements in conjunction with present pipe adjustment seat 20.

The utility model just can be found out the effect place when adjusting angle; Shown in Fig. 3～5, because hack lever 40 is by 21,24 clippings of upper and lower seat, so can adjust with adjusting moving of seat 20, at first unclamp bolt 14, cooperate hack lever 40 to revolve again and move, so that upper and lower seat 21,24 utilizes the tapering 261 of blocking pin 26 and moves along expanding groove 253, reach hack lever 40 along the amount of moving of revolving on loam cake 30, pedestal 10 angulations, and then make the seat cushion of pedestal 10 end faces that vertical parallax be arranged, by drawing as can be known, therefore the adjustment angle of hack lever 40 is different causes seat cushion that diverse location is arranged; Being adjusted to needs angle, gives the packing bolt again and adjusts seat 20 with clamping.

Shown in Fig. 6,7, then be that loam cake 30 directly runs through one at end face and decide groove 343 as the slip hole 341 of orienting lug 34 with expanding, make loam cake 30 that orienting lug 25 need not be set, the card that also still cooperates blocking pin 26 is simultaneously established and is reached the purpose of adjustment seat cushion angle.

Claims (4)

1, a kind of registration device of bicycle base riser, it comprises a pedestal, an adjustment seat, loam cake and a hack lever; Pedestal is located at foot-operated saddle tube end face, and base is arcs of recesses, and the hack lever that adjustment seat abutment is rebasing is striden and put, and loam cake is located at adjusts a seat end face, and it is characterized in that: it also comprises blocking pin and the orienting lug with tapering;

Described loam cake end face runs through a microscler slip hole, with the tapering blocking that cooperates the blocking pin wherein;

Compel to close the pedestal that unclamps at loam cake relatively, its opposite face central authorities evenly settle an orienting lug, orienting lug is an arc block, runs through microscler slip hole together at its end face to be parallel to described hack lever direction, and bigger expansion groove is established in position, the tapering expansion of the described relatively blocking pin of the slip hole all sides of one side;

Described adjustment seat comprises upper and lower seat, and the relative orienting lug of upper and lower seat central authorities runs through establishes a perforation;

Described blocking pin is the short nail body that the upper end offers several gaps, and the blocking pin passes described upper and lower seat and orienting lug.

2, the registration device of bicycle base riser according to claim 1 is characterized in that: described loam cake settles the tapering to be arranged with more large-area expansion groove at microscler slip hole relatively.

3, the registration device of bicycle base riser according to claim 1, it is characterized in that: described pedestal one end offers breach, the other end is equipped with the protruding end, be pivoted for loam cake, each relative breach of loam cake and protruding end respectively are provided with wing groove, the wing groove of relative breach has the excellent pivot of wearing of screw for one to be worn, and bolt is plugged on the breach spiral shell and wears rod.

4, the registration device of bicycle base riser according to claim 1 is characterized in that: described pedestal end face is arranged with the groove of an arrangement orienting lug.

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