CN201296339Y

CN201296339Y - Folding device for handle of folding bicycle

Info

Publication number: CN201296339Y
Application number: CNU2008201785165U
Authority: CN
Inventors: 胡九曙; 王园心
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-10-31
Filing date: 2008-10-31
Publication date: 2009-08-26
Anticipated expiration: 2018-10-31

Abstract

The utility model discloses a folding device for a handle of a folding bicycle, comprising an upper block body and two lower block bodies, wherein the upper block body is provided with steps and arc surfaces, both ends of each step are provided with locked grooves, and the lower block bodies are provided with arc surfaces matched with the arc surfaces of the upper block body, step containing spaces and locking dogs matched with the locked grooves; the two lower block bodies are symmetrically articulated with the upper block body, locksets with locking dogs are arranged in presetting rectangle spaces of the lower block bodies, the locking dogs are automatically locked under the action of a spring during the process that the upper block body and the two lower block bodies rotate on a straight line by being shifted when the folding device is used, and switches of the locksets expose out of the surfaces of the lower block bodies. The utility model has the advantages of few structural parts, simple production technique, lowered production cost, very simple, convenient and easy operation, good and firm locking effect, enhanced safety of product and long service life.

Description

A kind of folding device of folded bicycle handle

Technical field:

The utility model relates to the handlebar of collapsible car, relates more specifically to the folding device of the handlebar of bicycle or Kickboard Scooter.

Background technology:

The handlebar of standard bicycle or Kickboard Scooter all is a captive joint, for easy to carry, does not take up room when parking, and folding handlebar occurred.Disclose a kind of folding handle bar hand as Chinese patent application numbers 200620015179.9, Granted publication CN200988551Y, its weak point is: 1, its structure member is more, complex manufacturing, and productive costs is higher, and jackknife action is loaded down with trivial details; 2, the effective rigid nylon rope tractive of its second chief, nylon rope fractures with easily wearing out long afterwards, causes and can't continue to use.

The utility model content:

The purpose of this utility model is at existing folded bicycle handle complex structure, jackknife action is loaded down with trivial details and operating difficulties, the deficiency of productive costs height, and a kind of folding device of folded bicycle handle is provided.It simple in structure and more rationally, not easy to wear, productive costs is low, and is easy to use, operation is very simple, and very firm, has improved the product safety performance, long service life.

Technology solution of the present utility model is as follows:

A kind of folding device of folded bicycle handle, it is made up of last block, two following blocks, wherein, has step on the last block, and cambered surface has locked groove at two ends of step; Have the cambered surface that matches with the cambered surface of last block, the space of accommodating step on the following block, the dead bolt that matches with locked groove; Two following block symmetries are hinged on the block, and the lockset with dead bolt is installed in down in the default coffin of block, and the switch of this lockset exposes the surface of block 1 down.

The cross section of described locked groove is triangular in shape, and the cross section of the corresponding dead bolt that cooperates with it is also triangular in shape.

Described block down has articulated column, forms the space of accommodating step between two articulated columns, and two articulated columns are hinged on around axle on the step of block, and last block all forms as radius through the jointed shaft center-point with following block cambered surface circle line.

Described lockset is the common spring lock construction, and key is installed in down the front surface of block.

Described lockset has dead bolt, is fixed together with positive stop, pressure spring and the dead bolt of dead bolt one, dead bolt is along the headspace axial motion, spring one end application force is on the base plate of headspace, other end application force with the positive stop of dead bolt one on, pull-button exposes at the left surface of block down.

Described block uper side surface down has screw, and folded bicycle handgrip A is screwed onto on this screw.

The person in charge B of described folded bicycle handle and last block 1 are the integral die-cast moulding.

Described lockset have dead bolt, with positive stop, the button of dead bolt one, spring, button and curved bar are hinged, curved bar and dead bolt are hinged, the hinged inside of the headspace of curved bar and following block together, dead bolt is along the headspace axial motion, spring one end application force headspace base plate on, other end application force with the positive stop of dead bolt one on, button exposes at the front surface of block down.

The beneficial effects of the utility model are:

(1), its structure member is few, production technology is simple, has reduced productive costs, only needs Push switch just can realize the folding of driver's handle during use, dialling changes down that block just can connect locking, it is very easy to be easy operate.

(2), its adopts the locking that matches with locked groove of the cambered surface match and triangle dead bolt, locking effect is good, and is very firm, improved the product safety performance, long service life.

Description of drawings:

Below in conjunction with accompanying drawing the utility model is described further:

Structural representation when Fig. 1 is embodiment 1 use;

Fig. 2 is embodiment 1 structural representation when folding;

Fig. 3 is embodiment 1 schematic perspective view;

Fig. 4 is the structural representation of embodiment 2 locksets part;

Fig. 5 is the structural representation of the lockset part of embodiment 3.

The specific embodiment:

The following stated only is preferred embodiment of the present utility model, does not therefore limit protection domain of the present utility model.

Embodiment 1, sees Fig. 1～3, a kind of folding device of folded bicycle handle, and it is made up of last block 1, two following blocks 2,

Have step 11 on the last block 1, cambered surface 12 has locked groove 13 at two ends of step 11; Have the cambered surface 21 that matches with the cambered surface 12 of last block 1 on the following block 2, accommodate the space 22 of step 11, the dead bolt 31 that matches with locked groove 13;

Two following block 2 symmetries are hinged on the block 1, and the lockset 3 with dead bolt 31 is installed in down in the pre-set space 26 of block 2, and the switch of this lockset 3 exposes the surface of block 1 down.

The cross section of locked groove 13 is triangular in shape, and the cross section of the corresponding dead bolt 31 that cooperates with it is also triangular in shape.

Following block 2 has 23 formation of 23, two articulated columns of articulated column and accommodates 22, two articulated columns 23 in space of step 11 and be hinged on the step 11 of block 1 around axle 4.

Lockset 3 is the common spring lock construction, and key 32 is installed in down the front surface of block 2.

Following block 2 uper side surfaces have screw 24, and during use, folded bicycle handgrip A is screwed onto on this screw 24, and the person in charge B and the last block 1 of folded bicycle handle are fixed together.

Principle of work: two following blocks 2 are hinged with last block 1, utilize locked groove 13 to match with dead bolt 31 and realize folding, opening, and very easy to use, lock structure is non-firm, long service life.Lockset 3 is the common spring lock construction, and key 32 is installed in down the front surface of block 2, just can make dead bolt 31 fasten, separate with locked groove 13 as the common spring lock as long as rotate key 32, thereby realize the folding of driver's handle and open.

Embodiment 2, see Fig. 4, lockset 3 have dead bolt 31, with positive stop 33, the pull-button 32 of dead bolt one, spring 34, pull-button 32 is fixed together with dead bolt 31, and dead bolt 31 is along headspace 26 axial motions, and spring 34 1 end application forces are on 26 base plate of headspace, other end application force with the positive stop 33 of dead bolt one on, pull-button 32 exposes at the left surface of block 2 down.All the other are with embodiment 1.Its principle of work is, outside pulling pull-button 32 during use just can make dead bolt 31 fasten, separate with locked groove 13, realizes the folding of driver's handle and opens.

Embodiment 3, see Fig. 5, lockset 3 have dead bolt 31, with positive stop 33, the button 32 of dead bolt one, spring 34, button 32 is hinged with curved bar 35, curved bar 35 is hinged with dead bolt 31, the hinged inside of curved bar 35 and the headspace 26 of following block 2 together, dead bolt 31 is along headspace 26 axial motions, spring 34 1 end application forces are on 26 base plate of headspace, other end application force with the positive stop 33 of dead bolt 31 one on, button 32 exposes at the front surface of block 2 down.Its principle of work is, presses button 32 during use downwards, and button 32 can be given 35 1 bar thick sticks of curved bar power, and curved bar 35 can be given 31 1 outside pulling force of dead bolt, so just can make dead bolt 31 fasten, separate with locked groove 13, realizes the folding of driver's handle and opens.

The structure of lockset 3 of the present utility model can be designed a variety of dead bolts 31 that reach and fasten, separates with locked groove 13.The cross section of locked groove 13 also can be arc hook-type, arc, and the cross section of the corresponding dead bolt 31 that cooperates with it also is arc hook-type, arc.Only exemplified out on the step 11 that is hinged on block 1 among following block 2 embodiment, also can be hinged on block 1 non-step 11 parts, can be effective equally, just will design down the shape that block 2 matches with last block 1 for this reason.

Claims

1. the folding device of a folded bicycle handle, it is characterized in that: it is made up of last block (1), two following blocks (2), wherein:

Have step (11) on the last block (1), cambered surface (12) has locked groove (13) at two ends of step (11);

The dead bolt (31) that have the cambered surface (21) that matches with the cambered surface (12) of last block (1), the space (22) of accommodating step (11) on the following block (2), matches with locked groove (13);

Two following blocks (2) symmetry is hinged on the block (1), and the lockset (3) with dead bolt (31) is installed in down in the pre-set space (26) of block (2), and the switch of this lockset (3) exposes the surface of block (1) down.

2, the folding device of a kind of folded bicycle handle according to claim 1 is characterized in that: the cross section of locked groove (13) is triangular in shape, and the cross section of the corresponding dead bolt (31) that cooperates with it is also triangular in shape.

3, the folding device of a kind of folded bicycle handle according to claim 1, it is characterized in that: following block (2) has articulated column (23), form the space (22) of accommodating step (11) between two articulated columns (23), two articulated columns (23) are hinged on the step (11) of block (1) around axle (4).

4, the folding device of a kind of folded bicycle handle according to claim 1 is characterized in that: lockset (3) is the common spring lock construction, and key (32) is installed in down the front surface of block (2).

5, the folding device of a kind of folded bicycle handle according to claim 1, it is characterized in that: lockset (3) have dead bolt (31), with positive stop (33), the pull-button (32) of dead bolt one, spring (34), pull-button and dead bolt (31) are fixed together, dead bolt (31) is along headspace (26) axial motion, spring (34) one end application forces are on the base plate of headspace (26), other end application force with the positive stop (33) of dead bolt one on, pull-button (32) exposes at the left surface of block (2) down.

6, the folding device of a kind of folded bicycle handle according to claim 1 is characterized in that: following block (2) uper side surface has screw (24), and folded bicycle handgrip (A) is screwed onto on this screw (24).

7, the folding device of a kind of folded bicycle handle according to claim 1 is characterized in that: the person in charge of folded bicycle handle (B) is the integral die-cast moulding with last block (1).

8, the folding device of a kind of folded bicycle handle according to claim 1, it is characterized in that: lockset (3) has dead bolt (31), positive stop (33) with the dead bolt one, button (32), spring (34), button (32) is hinged with curved bar (35), curved bar (35) is hinged with dead bolt (31), the hinged inside of the headspace (26) of curved bar (35) and following block (2) together, dead bolt (31) is along headspace (26) axial motion, spring (34) one end application forces are on the base plate of (26) of headspace, other end application force with the positive stop (33) of dead bolt (31) one on, button (32) exposes at the front surface of block (2) down.