CN2350285Y - Foldable saddle for foldable bicycle - Google Patents

Abstract

The utility model relates to a folding seat for a folding bicycle. The utility model is provided with a front seat and a back seat which are respectively provided with a pivoting part on one side and a clamped part in the middle. The pivoting part of the front seat is provided with a pivoting pipe of which the bottom edge is provided with a pair of positioning grooves; the upper and the lower ends of the back seat are convexly provided with an upper and a lower casing walls, a pressing rod is inserted between the edges of the upper and the lower casing walls, and the lower end of the pressing rod is provided with a positioning block. When the front seat is opened or closed on the back seat, the front seat can be positioned by the positioning block which is embedded and clamped in different positioning grooves. In addition, a rotating rod of which bottom is fixed with a rotary clamping block is inserted into the upper casing wall. Both ends of the rotary clamping block can be rotatablely bunted on the bottoms of the two clamped parts of the closed front and back seats by operating the rotating rod, and then the rotary clamping block is impelled upwardly to position the front and the back seats, so the front and the back seats are combined and positioned tightly.

Description

The foldable base of bicycle

The utility model relates to a kind of Folding Bicycle, particularly relates to a kind of the cooperation installing the foldable base that is connected on the body of bicycle folding position.

The design of general Folding Bicycle is that collapsible one-tenth smaller size smaller is collected with facility, transport, and along with various bicycle possesses dissimilar body constructions, make design go up the folded structure of palpus collocation installing different designs, with regard to regard to folding cycle shown in Figure 1, its folding position is to be located on a pair of body 33 of 32 of seat cushion strut 31 and handle struts, it mainly is before body 33 is divided into, back segment 331,332 also are fixedly arranged on respectively on 1 liang of lateral surface of a foldable base, and foldable integral seat 1 roughly as shown in Figure 2, have front stall 10 and back seat 11 that a side can Gong be pivoted, before the body 33 of aforementioned bicycle, back segment 331,332 be fixedly arranged on respectively before, back seat 10,11 lateral surfaces, its main operating principle is to utilize the eccentric center principle of an eccentric rod 12 to drive a supporting rod 17, reach the effect of a urgent locking plate 20, locking plate 20 mats one pull bar 21 drives and moves, and makes locking plate 20 can get back to place, former location by pulling and supporting of an elastic body 23.Locking plate 20 embeds the default through hole 101 of front stall 10 free ends toward the tongue piece 202 of a side evagination, makes forward and backward seat 10,11 buttons under the state of covering set the position, just makes the front and rear sections 331,332 of body 33 remain on the cooresponding state of straight line.During folding bicycle, must pull loose eccentric rod 12 earlier, supporting rod 17 is got loose and no longer urgent locking plate 20, then pull pull bar 21 lower ends, make the tongue piece 202 of locking plate 20 move apart the through hole 101 of front stall 10 toward in, this moment, front stall 10 can pivot 105 be made the pivot pendulum for axle, and the front and rear sections 331,332 of body 33 is folded into parallel side-by-side arrangement by the straight line corresponding states, make bicycle front and rear wheel 34,35 by originally one in front and one in back state be folded into state arranged side by side.

Launch relatively or cover in opposite directions though above-mentioned prior folding seat 1 is its forward and backward seat 10,11 of mat when using, reach the state in upright arrangement that makes bicycle folding or turn back and to drive respectively, its forward and backward seat 10,11 is under deployed condition, therefore do not possess any locating structure, more do not have polarization in the operation.In addition, foldable integral seat 1 is for finishing above-mentioned operation, still suspicion is complicated slightly with forming member for its detail structure, this point at Fig. 3 as can be seen, except that member mentioned above, the other thin portion of foldable base 1 forms structure, also be included in and be provided with a fixed plate 19 in the back seat 11, on the mat fixed plate 19 respectively movably pivot adorn aforesaid locking plate 20 and pull bar 21, be provided with an axle sleeve 113 runs through for a connecting rod 14 and wears after articulating a matrix pad 15 in back seat 11 outsides, again through fixed plate 19, behind the recessed edge 190 and groove 200 of locking plate 20, articulate a pad 16 and aforesaid supporting rod 17.Pad 16 is provided with a clasp 160, holds and required elastic force when providing pull bar 21 to reset for aforesaid elastic body 23 hooks.And by the forming structure and can find that its inside is pivoted, the position of suit and mat screw lock dress is a lot of and mixed and disorderly of above-mentioned foldable base 1, so fit on is comparatively time-consuming.

The purpose of this utility model is to provide a kind of structure to simplify, and the foldable base of forward and backward the bicycle that can both locate when launching and covering.

The utility model provides a kind of foldable base of bicycle, is installed on the body at bicycle folding position, comprises the front stall and the back seat that are pivoted mutually, it is characterized in that:

This forward and backward seat all is provided with the card division that is subjected to of extending down in the centre;

One side of this front stall is provided with the pivot pipe, offers a pair of positioning groove in this pivot pipe root edge respective side;

This back seat comprises, the lower end extend forward on, following shell wall, on being somebody's turn to do, following shell wall one side offers a cooresponding perforation and inside has been installed in first an elastomeric tank, and extend outward and be provided with a pair of pin plate, one pressing lever upper end passes the perforation of upper shell, and its lower end is provided with and compresses this first elastomeric a positioning block, this pressing lever is inserted into, between the lower casing mural margin, this locating piece correspondence is embedded in the positioning groove of front stall, be fitted with a bull stick in the middle of should going up shell wall, this bull stick lower end is installed with a rotating block, this rotating block respective side have two card divisions and with one second elastic body support set between last shell wall, the installing of this bull stick upper end can operate the bull stick rotation and on draw an eccentric rod of bull stick location.Two card division correspondences of this rotating block are revolved retaining cap and are closed two of forward and backward seat under the state and be subjected to the outside, below, card division, and up urgent location, make forward and backward seat in opposite directions closely and close the location.

The foldable base of described bicycle is characterized in that:

The centre of this forward and backward seat is respectively equipped with opening, and the card division that is subjected to of this forward and backward seat is an opening of being located at this opening apical margin.

The foldable base of described bicycle is characterized in that:

The card division end face that is subjected to card division lateral surface and rotating block of this forward and backward seat is cooresponding inclined-plane.

The foldable base of described bicycle is characterized in that:

The upper and lower shell wall of this back seat all has short slot in the front, and front stall is provided with a pair of protuberance at upper and lower end, and two protuberance correspondences cover in the short slot of upper and lower shell wall.

The foldable base of described bicycle is characterized in that:

This pressing lever top is arranged with a sheath.

The foldable base of described bicycle is characterized in that:

Front stall extends out a sidewall at the opposite side away from the pivot pipe toward covering side, and this sidewall is stretched the respective side of the upper and lower shell wall of putting and be closed in back seat.

The foldable base of the utility model bicycle, before it, back seat 4,5 when launching or covering, two set positioning grooves 421 of mat pivot pipe 42 root edges are embedded in the locating piece 542 of pressing lever 54 lower ends and obtain the location respectively, therefore before, back seat 4, no matter 5 launching or covering state, can both have locating effect, and the dress group of present embodiment, the dress group of its pressing lever 54 and first elastic body 532 accessory that need not anyly be spirally connected fully, and bull stick 56, rotating block 57, second elastic body 58, matrix pad 561 and eccentric rod 562 members such as grade, be again to form with easy coaxial installing mode dress group, therefore composition member of the present utility model and erecting work are very simplified.

Be elaborated below by a most preferred embodiment and accompanying drawing foldable base to the utility model bicycle, in the accompanying drawing:

Fig. 1 is the schematic perspective view that prior folding formula bicycle disposes foldable base.

Fig. 2 is the combination schematic perspective view of prior folding seat structure.

Fig. 3 is the perspective exploded view of prior folding seat.

Fig. 4 is the schematic perspective view of the foldable base deployed condition of the utility model bicycle.

Fig. 5 is the front section view of the foldable base deployed condition of the utility model bicycle.

Fig. 6 is that the forward and backward flap of the foldable base of the utility model bicycle closes and the side sectional view when not being subjected to the rotating block clip.

Fig. 7 is that the forward and backward flap of the foldable base of the utility model bicycle merges and is subjected to the rotating block clip but side sectional view when not being tight against.

Fig. 8 is the fashionable side sectional view that is subjected to rotating block clip and urgent state of forward and backward flap of the foldable base of the utility model bicycle.

Cooperate and consult Fig. 4 and Fig. 5, the foldable base of the utility model embodiment bicycle mainly includes front stall 4 and back seat 5 that a side is pivoted mutually.Back seat 5 is to be opening box-like housing forward, has one at the place, centre and is subjected to card division 511.Offer an opening 51 on the back seat 5, opening 51 apical margins be provided with down extend be subjected to card division 511, and be subjected to 511 outsides, card division to have an inclined-plane 512, again, back seat 5 upper and lower ends have the upper and lower shell wall 52,53 that extends in parallel forward, make upper and lower shell wall 52,53 except that be provided with cooresponding short slot 520,530 in the front, and offer the tank 531 that a cooresponding perforation 521 and one inside is installed in first elastic body 532 earlier in a side proximal edge place, for plug-in mounting one pressing lever 54 therebetween, a pair of pin plate 55 that extends outward again.

Above-mentioned pressing lever 54 upper ends are to pass perforation 521 and be arranged with a sheath 541, too sharply cause the person's of pushing hand pain to avoid body of rod top, pressing lever 54 lower ends then have the locating piece 542 of a wide and flat shape, and locating piece 542 is stretched and placed in the tank 531, and down covers first elastic body 532.Other has a bull stick 56 to wear from top to bottom to be installed in place in the middle of the shell wall 52, its upper end penetrates a matrix pad 561 back pivots and adorns an eccentric rod 562, and can drive slightly up displacement location of bull stick 56 pressing down eccentric rod 562 range difference that the mat eccentric center principle is produced when terminal, and but mat is laterally pulled eccentric rod 562 and drive bull stick 56 rotations, a but rotating block 57 rotations that its lower end of interlock is set firmly when bull stick 56 rotations.52 of rotating block 57 and last shell walls are set with one second elastic body 58, use down pushing tow rotating block 57, make rotating block 57 be provided with the card division 571 on inclined-plane 572, can correspondingly screw out aforesaid opening 51 and fasten the side-lower outside the card division 511 that is subjected in opening 51 apical margins at the set end face of a respective side.

Front stall 4 slightly is tabular body, and its upper and lower end is provided with a pair of protuberance 40, can corresponding cover in the short slot 520,530 that is arranged with on 52,53 of the upper and lower shell walls of above-mentioned back seat 5.Front stall 4 is provided with an opening 41 at the place, centre equally, be subjected to card division 411 and be provided with one in opening 41 apical margins, make and be subjected to card division 411 lateral surfaces to be an inclined-plane 412, when front stall 4 correspondences are covered on back seat 5, the card division 571 of aforementioned rotating block 57 can correspondingly screw out opening 41 and fasten side-lower outside being subjected to card division 411 equally.Front stall 4 is pivot pipes 42 of mat one side, side extends out a sidewall 43 toward covering side in addition, and set the position with a pivot 44 pivots after and placing 55 of two pin plates of above-mentioned back seat 5 with pivot pipe 42, making front stall 4 can be that a correspondence is covered on the back seat 5 with pivot part, and its sidewall 43 is stretched and is put and be closed on the back seat 5 when covering, following shell wall 52, on 53 respective side, and above-mentioned pivot pipe 42 offers a pair of positioning groove 421 in the root edge respective side, when front stall 4 launches or is covered on the back seat 5, be that the different positioning grooves 421 of mat are located with the locating piece 542 corresponding inlay cards of aforementioned pressing lever 54 lower ends.

The foldable base of present embodiment bicycle can be installed equally and use on the body at bicycle folding position, and no matter its forward and backward seat 4,5 is in and opens or cover state, all can have locating effect, and, continue bright as follows about the operational scenario of foldable integral seat under different conditions.

1. current, when back seat 4,5 opens, be that bicycle and its body are when being in folded state, the location situation of forward and backward seat 4,5 is as Fig. 4 and state shown in Figure 5, front stall 4 is that the positioning groove 421 that its pivot pipe 42 root edges one side of mat is offered obtains the location with the locating piece 542 corresponding inlay cards of back seat 5, and just pivot pipe 42 is subjected to stopping of locating piece 542 and can't rotates at this moment.

2. before desiring to cover, back seat 4,5 o'clock, must press down pressing lever 54 earlier, locating piece 542 compressions first elastic body 532 of its lower end is also down sunk in the tank 531, make locating piece 542 down move apart the positioning groove 42 of pivot pipe 42, so front stall 4 and pivot pipe 42 can free swings, and when front stall 4 pendulum covers toward back seat 5 and correspondence, the positioning groove 421 of its pivot pipe 42 opposite sides will revolve and move and correspond to locating piece 542 tops, the last top elastic force that this moment, but locating piece 542 mats first elastic body 532 was put aside by compression, and on move and reset and snap in this in addition in the positioning groove 421 of side, make front stall 4 and pivot pipe 42 obtain once again to locate.

3. current, back seat 4, when 5 correspondences cover, be as shown in Figure 6, this moment bicycle body before, back segment 61, the 62nd, corresponding states linearly, rotating block 57 does not provide clamping function as yet among this figure, providing of its clamping function is must pull eccentric rod 562 to make rotating block 57 rotations 90 degree angles, and state as shown in Figure 7, it is characterized in that its two card division 571 of rotating block 57 mats respectively correspondence revolve to before, back seat 4,5 be subjected to card division 411,511 outer side-lowers, this moment, rotating block 57 was owing to down pushed by second elastic body 58, make its card division, both sides 571 and two be subjected to card division 411,511 are still left minim gap, as long as then pressing down eccentric rod 562 terminal drives on bull stick 56 and the rotating block 57 moves, two card divisions 571 of rotating block 57 just can be as shown in Figure 8, with its two inclined-plane 572 simultaneously up urgent before, back seat 4,5 be subjected to card division 411,511 inclined-plane 412,512, and before its urgent power will make, back seat 4,5 in opposite directions closely and close the location.

4. when folding bicycle, only want anti-order to pull eccentric rod 562 on the ground and remove urgent state, turn rotating block 57 and remove the clip states, press down after pressing lever 54 removes positioning states, just forward and backward seat 4,5 can be raised into earlier figures 4 and state shown in Figure 5.

Claims (6)

1. the foldable base of a bicycle is installed on the body at bicycle folding position, comprises the front stall and the back seat that are pivoted mutually, it is characterized in that:

This forward and backward seat all is provided with the card division that is subjected to of extending down in the centre;

One side of this front stall is provided with the pivot pipe, offers a pair of positioning groove in this pivot pipe root edge respective side;

This back seat comprises, the lower end extend forward on, following shell wall, on being somebody's turn to do, following shell wall one side offers a cooresponding perforation and inside has been installed in first an elastomeric tank, and extend outward and be provided with a pair of pin plate, one pressing lever upper end passes the perforation of upper shell, and its lower end is provided with and compresses this first elastomeric a positioning block, this pressing lever is inserted into, between the lower casing mural margin, this locating piece correspondence is embedded in the positioning groove of front stall, be fitted with a bull stick in the middle of should going up shell wall, this bull stick lower end is installed with a rotating block, this rotating block respective side have two card divisions and with one second elastic body support set between last shell wall, this bull stick upper end installing one eccentric rod.

2. according to the foldable base of the described bicycle of claim 1, it is characterized in that:

The centre of this forward and backward seat is respectively equipped with opening, and the card division that is subjected to of this forward and backward seat is an opening of being located at this opening apical margin.

3. according to the foldable base of the described bicycle of claim 2, it is characterized in that:

The card division end face that is subjected to card division lateral surface and rotating block of this forward and backward seat is cooresponding inclined-plane.

4. according to the foldable base of the described bicycle of claim 1, it is characterized in that:

The upper and lower shell wall of this back seat all has short slot in the front, and front stall is provided with a pair of protuberance at upper and lower end, and two protuberance correspondences cover in the short slot of upper and lower shell wall.

5. according to the foldable base of the described bicycle of claim 1, it is characterized in that:

This pressing lever top is arranged with a sheath.

6. according to the foldable base of the described bicycle of claim 1, it is characterized in that:

Front stall extends out a sidewall at the opposite side away from the pivot pipe toward covering side, and this sidewall is stretched the respective side of the upper and lower shell wall of putting and be closed in back seat.

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