CN2880633Y

CN2880633Y - Saddle pillar capable of generating two-time displacement quantity

Info

Publication number: CN2880633Y
Application number: CN 200520146661
Authority: CN
Inventors: 赖武赐
Original assignee: CHUHN-E INDUSTRIES Co Ltd
Current assignee: CHUHN-E INDUSTRIES Co Ltd
Priority date: 2005-12-20
Filing date: 2005-12-20
Publication date: 2007-03-21
Anticipated expiration: 2015-12-20

Abstract

A double mat travel motion mat riser is disclosed, comprising a rise body inserted in the saddle tube, a base on top of the riser body and a jacket covering top of the riser body. Thereinto, a bent is provided on top of the riser body and bottom of the base is inserted in the bent and a clamping device is put on the side of the base. When assembled on the saddle tube, the bent protrudes over the top of the saddle tube and leans against the head of the bicycle. When the mat is to be adjusted with larger displacement, you need do nothing but to rotate the base by 180 degrees, namely, above double displacement of the mat can be produced.

Description

The base riser of twice seat cushion amount of movement

Technical field

The utility model relates to technical field of bicycles, refers to especially a kind ofly be fixed in seat cushion fixation assembly on the bicycle saddle tube in order to the seat cushion with bicycle.

Background technology

See also shown in Figure 5, seat pipe 50 tops of bicycle are equipped with seat cushion fixation assembly 70, on seat cushion fixation assembly 70, be fixed with seat cushion 60, this seat cushion fixation assembly 70 comprises to be inserted in seat pipe 50 in-to-in base risers 71, clipping is managed the chuck 72 of 50 top perisporiums in seat, be located at the clamping device 73 at base riser 71 tops, base riser 71 tops are provided with the deep-slotted chip breaker seat 710 that extends a side, described clamping device 73 comprises the lower clamping piece of being located on the deep-slotted chip breaker seat 710 730, be located at the upper clamping piece 731 of lower clamping piece 730 tops, and seat cushion 60 bottoms are provided with two strut bars 61, place by strut bar 61 and are fixed between upper clamping piece 731 and the lower clamping piece 730.

Existing base riser 71 is a straight tube, establish to be positioned at the deep-slotted chip breaker seat 710 of a side at the top again, when it is installed on the seat pipe 50, promptly extend along the gradient of seat pipe 50, if in response to foot's length of rider and drive custom (some people is accustomed to toward the recoil, and some people's custom is sat) forward, and with base riser 71 Rotate 180 degree as illustrated in fig. 6, when making deep-slotted chip breaker seat 710 be offset to seat pipe 50 opposite sides, seat cushion 60 is tilted and can't take.

So, when existing seat cushion 60 desires are adjusted the position, only seat cushion 60 can be adjusted displacement (shown in 2 chain lines of Fig. 2) forward or backward by strut bar 61, change the relative position of itself and clamping device 73, but, can't satisfy rider's displacement demand by a relatively large margin because strut bar 61 can be adjusted the limited length of displacement.

The utility model content

Problem to be solved in the utility model provides a kind of seat cushion fixation assembly with bigger adjustment displacement, a kind of base riser of twice seat cushion amount of movement.

In order to address the above problem, the base riser of the utility model twice seat cushion amount of movement comprises:

Tube body, the chuck that is sheathed on the pedestal on tube body top and is sheathed on tube body top outer peripheral face, this tube body top is provided with one section kink, the axle center of this kink and tube body forms angle, axially extended profile groove more than the kink perisporium is provided with together, profile groove also is communicated with the apical margin of kink; Described base bottom is provided with outstanding socket part down, and this socket part is inserted in the kink, is provided with and the socket part arc tank on same straight line not in base top surface; Described chuck has top bottom, its center is provided with the perforation that runs through top bottom, this perforation is sheathed on the kink outer peripheral edges, perisporium in chuck is provided with the profile groove that is communicated in top bottom together in addition, on two perisporiums of profile groove, be respectively equipped with the joint portion, correspondingly on two joint portions be provided with coaxial combined hole, other establishes and places the bolt that is fixed at two combined holes.

Compared with prior art, the beneficial effect of the base riser of the utility model twice seat cushion amount of movement is:

When seat cushion needs bigger displacement, can be with clamping device together with pedestal Rotate 180 degree on kink, owing to be offset to a side of pedestal in order to the clamping device of clamping seat cushion, and pedestal is assembled on the kink, and kink with angle of tube body biasing, therefore, when the pedestal Rotate 180 was spent, clamping device promptly can produce about two times displacement, so the utility model can be adjusted displacement, much larger than existing base riser, can satisfy the adjustment demand of rider than big displacement quantity.

Description of drawings

Fig. 1 is a perspective exploded view of the present utility model;

Fig. 2 is the plane combination scheme drawing of the utility model and bicycle saddle tube and seat cushion;

Planar gesture scheme drawing when Fig. 3 is the utility model adjustment bicycle saddle cushion;

Fig. 4 is the step scheme drawing that the utility model is adjusted the seat cushion position;

Fig. 5 is the plane combination scheme drawing of existing bicycle saddle cushion standpipe and seat cushion;

Fig. 6 is the plan sketch of existing bicycle saddle cushion standpipe Rotate 180 when spending.

[primary clustering nomenclature]

10: base riser 11: tube body 110: kink

111: profile groove 12: pedestal 121: the arc tank

122: wear groove 123: bolt 20: chuck

21: perforation 210: retaining edge 22: profile groove

23: joint portion 24: bolt 30: clamping device

32: lower clamping piece 321: arc clip slot 33: upper clamping piece

331: bar 332: screw 333: the arc clip slot

50: seat pipe 60: seat cushion 61: strut bar

70: seat cushion fixation assembly 71: base riser 710: the deep-slotted chip breaker seat

72: chuck 73: clamping device 730: lower clamping piece

731: upper clamping piece (θ 1) (θ 2) angle

The specific embodiment

Nominal definition: following indication front end refers to that bicycle is provided with an end of front-wheel; The rear end refers to that bicycle is provided with an end of trailing wheel; Left and right sides refers to that bicycle is provided with the both sides of pedal.

See also shown in Fig. 1 and 2, the base riser 10 of twice seat cushion amount of movement provided by the utility model comprises to be inserted in the tube body 11 in the bicycle saddle tube 50, be placed through the pedestal 12 at tube body 11 tops, and the sheathed chuck 20 that is coated on tube body 11 tops, this pedestal 12 end faces one side can be installed clamping device 30, strut bar 61 assemblings for seat cushion 60 are fixed on the clamping device 30, and the top of tube body 11 is provided with one section kink 110, when being assembled in seat pipe 50, this kink 110 protrudes in seat pipe 50 tops, and headstock one lateral deviation towards bicycle is moved, and form an angle theta 1 with the axle center of base riser 10, because the seat pipe angle of inclination of Regular Bicycle is 73 degree, and when seat cushion 60 end faces keep level, its strut bar 61 is by this section of clamping, with the angle theta 2 of seat pipe 50 be 83 degree, therefore, kink 110 preferable deviation angles are that axle center angle with base riser 10 is 7 degree; Easy speech, the angle design of this kink 110 can be changed according to the bike saddle tube angulation of institute's desire installation; Other is axially extended profile groove 111 more than the perisporium of the kink 110 of tube body 11 is provided with together, profile groove 111 is communicated with kink 110 apical margins, makes kink 110 perisporiums have the elasticity that can be compressed distortion.

And described pedestal 12 bottoms are provided with outstanding socket part 120 down, be inserted in the kink 110 of tube body 11, be provided with opening arc tank 121 up in pedestal 12 end faces one side in addition, this arc tank 121 extends along the left and right sides of bicycle, and be offset to a side of socket part 120 line of centerss, pedestal 12 is respectively equipped with and wears groove 122 on the perisporium of bicycle front and back end, wear groove 122 and present down extension, to place for bolt 123 respectively.

Described chuck 20 is for having the circular body of perforation 21, it has top bottom, chuck 20 tops are provided with the retaining edge 210 that extends towards perforation 21 inner radial, chuck 20 is sheathed on kink 110 outer peripheral edges by perforation 21, and by keeping off edge 210 blocks in kink 110 end faces, perisporium in chuck 20 is provided with the profile groove 22 that is communicated in top bottom together in addition, on two perisporiums of profile groove 22, be respectively equipped with outstanding joint portion 23 outwardly, correspondingly on two joint portions 23 be provided with coaxial combined hole, place for bolt 24 and to screw togather, when screwing bolt 24, promptly can clamp the socket part 120 of kink 110 and pedestal 12 by chuck 20.

Described clamping device 30 comprises the lower clamping piece 32 of being located at pedestal 12 tops, the corresponding upper clamping piece 33 of being located at lower clamping piece 32 tops, and wherein, lower clamping piece 32 is located in the arc tank 121 of pedestal 12, its root edge and the arc tank 121 corresponding circular arcs that are made as; Bar 331 is pivoted respectively behind the front end of described upper clamping piece 33, be respectively equipped with the screw 332 that screws togather for bolt 313 on two bars 331, in addition in the left and right sides of upper clamping piece 33 and lower clamping piece 32, be provided with the arc clip slot 333,321 that is involutory and is the front and back extension, two strut bars 61 of described seat cushion 60 bottoms are that clipping is in two arc clip slots 333,321, kenel about clamping device 30 is a lot, and non-only above-mentioned aspect, its structure are not the emphasis of present patent application.

Above-mentioned is the introduction of each member of the present utility model, and mutual assembled relation, by as can be known described, the utility model is made as removable tube body 11 and pedestal 12 with base riser 10, and establish one section kink 110 in tube body 11 tops, angle is set can makes the seat cushion 60 apical margins maintenance level of trying one's best of its kink 110, it is adjusted situation and then addresses as the back:

See also shown in Figure 3, if when adjusting the elevation angle of seat cushion 60, as long as unscrew a wherein support bolt 123 of clamping device 30, and screw another support bolt 123, can so that seat cushion 60 together with upper clamping piece 33, lower clamping piece 32 together along angle of arc tank 121 surperficial beats, its adjustable angle is about up and down each 10 degree.If (not shown) when adjusting the front and back position of seat cushion 60 again unclamps two support bolts 123, make the strut bar 61 of seat cushion 60 adjust displacement forward or backward and get final product.

In addition, when if the rider need do bigger adjustment displacement, can unscrew bolt 24 as illustrated in fig. 4, then with seat cushion 60 together with clamping device 30 Rotate 180 degree on the kink 110 of base riser 10, again screw bolt 24 again, this moment, seat cushion 60 was oppositely to be provided with, then unclamp two support bolts 123 of clamping device 30, so that seat cushion 60 is taken out the Rotate 180 degree, re-assembly again, be normal installation direction, and because upper clamping piece 33 and lower clamping piece 32 are offset to a side (as the distance L among the figure 1) of pedestal 12, and pedestal 12 is assembled on the kink 110 of an angle of bending, therefore, when pedestal 12 Rotate 180s are spent, its clamping device 30 promptly can produce quite big displacement (as the L2 among the figure), adds that the longitudinal separation of seat cushion 60 still can be adjusted again, and (the removable amount of general seat cushion is 35MM so can produce the two-fold amount of movement, and the removable amount of the utility model seat cushion is 70MM), so the utility model can satisfy the adjustment demand of rider than big displacement quantity.

Claims

1, a kind of base riser of twice seat cushion amount of movement, the chuck that comprises tube body, is sheathed on the pedestal on tube body top and is sheathed on tube body top outer peripheral face, this tube body top is provided with one section kink, the axle center shape of this kink and tube body in an angle, axially extended profile groove more than the kink perisporium is provided with together, profile groove also is communicated with the apical margin of kink;

Described base bottom is provided with outstanding socket part down, and this socket part is corresponding to be inserted in the kink, is provided with and the socket part arc tank on same straight line not in base top surface;

Described chuck has top bottom, its center is provided with the perforation that runs through top bottom, this perforation is sheathed on the kink outer peripheral edges, perisporium in chuck is provided with the profile groove that is communicated in top bottom together in addition, on two perisporiums of profile groove, be respectively equipped with the joint portion, correspondingly on two joint portions be provided with coaxial combined hole, other establishes one and places the bolt that is fixed at two combined holes.

2, the base riser of twice seat cushion amount of movement as claimed in claim 1, wherein, the axle center angle of described kink and tube body is 7 degree.

3, as the base riser of claim 1 or 2 described twice seat cushion amount of movements, wherein, the chuck top is provided with the retaining edge that extends towards the perforation inner radial, and this retaining edge block is in the kink end face.