CN2835067Y

CN2835067Y - Folding device for stand pipe

Info

Publication number: CN2835067Y
Application number: CN 200520116506
Authority: CN
Inventors: 魏文士; 刘鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-11-18
Filing date: 2005-11-18
Publication date: 2006-11-08
Anticipated expiration: 2015-11-18

Abstract

The utility model discloses a folding device for a stand pipe, which comprises an upper stand pipe and a folding base, wherein the folding base is assembled on a lower stand pipe, a fast lock handle and a switch axis. The lower part of the upper stand pipe is provided with a switch sleeve which is provided with a switch sleeve groove. The middle part of the switch axis provided with a switch axis concave bundle with a flat structure. The switch sleeve groove and the switch axis concave bundle are glidingly matched with each other; when the flat position of the switch axis is over against the opening of the switch sleeve, the folding device is in an open mode. The switch axis turns upwards to make the switch axis deviate from the position, so the folding device is in a locking state. The utility model has the advantages of safe and convenient use and reasonable and durable structure.

Description

Standpipe folder

Technical field

The utility model relates to the application of folding bicycle, relates in particular to standpipe folder.Be applicable to that bicycle and man uses.

Technical background

The standpipe folder of most of product on the present folding bicycle market, the handle that colludes the pawl sample by a simple band comes whole vertical tube is folded and opening action by disciform motion, and collude by the safety of plastics and to tangle handle and prevent that handle is flicked by external force after locking, do simple and convenient like this, but the vibrations when riding are rocked the fast lock handle shake that all may lock and are opened, and along with the growth of period of service, the application force that handle produces folder can make the distortion of folding stressed place slowly ineffective, all can cause very big influence to end user's the safety and the period of service of bicycle like this.

China utility model patent ZL00238324.1 " car body folder " discloses a kind of car body folder, and folded formation is captiveed joint with car body under it, and last folded formation can insert down in the folded formation, and wears with hinge axis.Be provided with a lock shaft in last folded formation, be provided with a bottom spindle in the following folded formation, and link to each other with supporting mass, supporting mass is installed on the adjusting shaft, also is equipped with tie down screw on the adjusting shaft.When folded state, tie down screw withstands lock shaft.During the work of need,, make tie down screw no longer withstand lock shaft as long as rotate adjusting shaft.End when this axle can swing to and contact with supporting mass, folded formation is firmly locked up and down simultaneously, car body safety when guaranteeing work.But this structure car body folder for being applied on the Kickboard Scooter, and is not suitable for the application of bicycle.

Summary of the invention

Technical problem to be solved in the utility model is the present situation at prior art, provides a kind of safe and convenient to use, durable standpipe folder rational in infrastructure.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: standpipe folder, comprise upper riser, foldable base, foldable base is equipped with lower standing tube, locks handle and switch shaft soon, the upper riser bottom is shaped on the switch cover, the technical measures of taking also comprise: the switch cover is shaped on switch cover groove, the switch shaft middle part is shaped on the recessed handle of switch shaft of flats structure, and switch cover groove is recessed corresponding and bearing fit with switch shaft.When opening overlapped over against switch in the flat place of switch shaft, folder was in open mode, and switch shaft upwards rotates and makes the folder that departs from this position promptly be in locking state.

For optimizing technique scheme, the measure of being taked also comprises:

In order further to increase safety performance, foldable base is shaped on the foldable base groove; Foldable base is provided with fast lock gland, locks soon to be shaped on the gland projection on the gland; Foldable base groove and the corresponding cooperation of gland projection; By the identical foldable base groove that catches on of gland projection, further reinforce the standpipe folder that is in locking state; Even the vibrations when riding are rocked and the fast lock handle shake that locks can not held, and can play the effect of the fast lock of protection handle; Even and long-time the use, lock the application force that handle produces folder soon and also can not cause folding stressed place distortion, and have influence on the desired locking effect of safety, thereby guarantee user's safety.

In order to use more easily, the people can be opened having folded immediately, be provided with spacer on one side with the corresponding side foldable base of switch cover groove, and under the centre of this spacer, be fitted with the location fastener, cooperate the switch shaft groove that is milled with the radian degree on the switch shaft of locating the fastener corresponding position.Switch shaft just can only be spent in the circular arcs according to 90 of switch shaft groove and move under the drive of fast lock handle, and the bottom that switch shaft turns to the switch shaft groove also just is in open mode.

In order to ensure the safety of folder at state of kinematic motion, lock soon the handle head end pass fast lock gland and can with switch shaft recessed last mesopore mutually line connect, and also in the middle of switch shaft and fast lock gland, be provided with spring.By rotating fast lock handle, locking the handle head end soon, can to screw in or screw out the switch shaft that the phase line connects recessed last mesopore; The screw-in switch shaft is recessed last mesopore when fast lock handle head end, locks the fast lock of handle head end extruding gland soon, and the gland projection on the feasible gland of lock soon falls in the foldable base groove that matches, and folder promptly is in locking state; The back-out switch shaft is recessed last mesopore when fast lock handle head end, locks handle soon and ejects fast lock gland through spring, makes to break away from fast gland projection of locking on the gland in the foldable base groove that matches; Folder promptly is in open mode.

Specific embodiment, spacer are internal diameter 10MM, and side is thick to be 8MM, and set a fastener and cooperate and be stuck on the switch shaft groove of switch shaft boring knock hole on this spacer; The location fastener is a set screw.Switch cover groove inner opening is that the outer opening of 6MM is 8MM; Corresponding switch shaft middle part is shaped on the flats structure and becomes recessed of the thick switch shaft of 5.5MM.The gland projection of fast lock gland all is milled with the dark otch of 2MM with the foldable base groove of described foldable base and matches.

Compared with prior art, the utility model adopts the switch cover to be shaped on switch cover groove, and the switch shaft middle part is shaped on the recessed handle of switch shaft of flats structure, and switch cover groove is recessed corresponding and bearing fit with switch shaft.When the flat place of switch shaft was over against switch cover opening like this, folder was in open mode, and switch shaft upwards rotates and makes the folder that departs from this position promptly be in locking state.It is safe and convenient to use, and is rational in infrastructure durable.

Description of drawings

Fig. 1 is integrally-built each the parts assembling scheme drawing of the utility model embodiment;

Fig. 2 is the structural representation of foldable base among Fig. 1;

Fig. 3 is the structural representation of fast lock gland among Fig. 1;

Fig. 4 is the structural representation of switch shaft among Fig. 1;

Fig. 5 is the structural representation of spacer among Fig. 1.

Specific embodiment

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

Fig. 1 is to shown in Figure 5, and standpipe folder comprises upper riser 1, foldable base 2, and upper riser 1 is equipped with nylon inner covering 3, lock shaft 5, iron bundle 6, pipe mounting 7, pivoted housing axle 12, switch are overlapped 13, and iron bundle 6 has knock hole 6a; The equipped lower standing tubes 4 of foldable base 2, lock handle 9 and switch shaft 10 soon, the switch cover 13 of upper riser 1 is shaped on switch cover groove 13a, it is recessed 10a that switch shaft 10 middle parts are shaped on the switch shaft of flats structure, switch cover groove 13a and switch shaft recessed 10a corresponding and bearing fit.To turn to switch shaft recessed 10a and switch cover groove 13a when parallel when fast lock handle 9 driving switch axles 10, and then folder is an open mode, is locking state as long as leave this position folder; Switch cover groove 13a inner opening is that the outer opening of 6MM is 8MM; Corresponding switch shaft 10 middle parts are shaped on the flats structure and become the thick switch shaft of 5.5MM recessed 10a.When the thick place of the recessed 5.5MM 10a of switch shaft during over against the 6MM opening of switch cover groove 13a, folder is in open mode like this; When upwards rotation of switch shaft 10, when the recessed 5.5MM 10a of switch shaft departed from thick place the 6MM opening of switch cover groove 13a, then folder promptly had been in locking state.

In order to ensure the safety of folder at state of kinematic motion, processing foldable base groove 2a on foldable base 2, foldable base 2 is provided with fast lock gland 8; The gland projection 8a of fast lock gland 8 and the foldable base groove 2a of described foldable base 2 all are milled with the dark otch of 2MM and match.Foldable base groove 2a and the corresponding cooperation of gland projection 8a; By the identical foldable base groove 2a that catches on of gland projection 8a, further reinforce the standpipe folder that is in locking state.Even the vibrations when riding are rocked and the fast lock handle shake that locks can not held, and can play the effect of the fast lock of protection handle; Even and long-time the use, lock the application force that handle produces folder soon and also can not cause folding stressed place distortion, and influence locking effect, thereby guarantee user's safety.

In order to ensure the safety of folder at state of kinematic motion, lock soon handle 9 cephalic pars pass fast lock gland 8 and can with switch shaft 10 recessed the mesopore 10c on the 10a mutually line connect, and also in the middle of switch shaft 10 and fast lock gland 8, be provided with springs 14.By rotating fast lock handle 9, locking handle 9 cephalic pars soon, can to screw in or screw out the switch shaft that the phase line connects recessed the mesopore 10c on the 10a; To screw in switch shaft recessed the mesopore 10c on the 10a when fast lock handle 9 cephalic pars, fast lock handle 9 cephalic pars 14 push fast lock gland 8, make to fall into the fast gland projection 8a that locks on the gland 8 in the foldable base groove 2a that matches, and be pressed on the switch cover 13, folder promptly is in locking state; Even the folder on the go is subjected to external force to influence also can not impact folder the people is caused injury like this;

Fast lock gland 8 protruding 8a can catch folder can not unclamp firmly when locking, have increased the safety performance of folded bicycle greatly and can not reduce service life because of using wearing and tearing for a long time; Recessed when fast lock handle 8 cephalic pars back-out switch shaft the mesopore 10c on the 10a, lock handle 9 soon and eject fast lock gland 8, the gland projection 8a on the feasible fast lock gland 8, the interior 2a of the foldable base groove that disengaging matches through spring 14; Folder promptly is in open mode; Be positioned at the spring 14 of fast lock gland 8 belows, purpose is that fast lock handle 9 can be unclamped by spring 14 jack-up when unclamping fast lock gland 8 automatically, can be very convenient so operate like this.

For easy to use, allowing the user can operate fast lock very easily opens or locks, be provided with spacer 11 with one side of the corresponding side foldable base 2 of switch cover groove 13a, and under the centre of this spacer 11, be fitted with the location fastener, cooperate the switch shaft groove 10b that is milled with radian 90 degree on the switch shaft 10 of locating the fastener corresponding position.Usually spacer 11 be internal diameter 10MM, and side is thick be 8MM, and sets a fastener cooperation at brill knock hole 11a on this spacer and be stuck on the switch shaft groove 10b of switch shaft 10; The location fastener is a set screw.Set a screw and be stuck in order to cooperation on the switch shaft groove 10b of switch shaft 10, switch shaft 10 just can only move in the circular arcs according to 90 degree of switch shaft groove 10b like this, and the bottom that switch shaft 10 turns to switch shaft groove 10b also just is in open mode.Shift the end onto and just folder can have been opened as long as will lock handle soon, switch shaft can be cooperated with the switch cover easily open and fold.

Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.

Claims

1, standpipe folder, comprise upper riser (1), foldable base (2), described foldable base (2) is equipped with lower standing tube (4), locks handle (9) and switch shaft (10) soon, upper riser (1) bottom is shaped on switch cover (13), it is characterized in that: described switch cover (13) is shaped on switch cover groove (13a), described switch shaft (10) middle part is shaped on the recessed handle of switch shaft (10a) of flats structure, switch cover groove (13a) and the corresponding and bearing fit of the recessed handle of switch shaft (10a).

2, standpipe folder according to claim 1 is characterized in that: described foldable base (2) is shaped on foldable base groove (2a); Described foldable base (2) is provided with fast lock gland (8), is shaped on gland projection (8a) on the described fast lock gland (8); Described foldable base groove (2a) and the corresponding cooperation of described gland projection (8a).

3, standpipe folder according to claim 1, it is characterized in that: with described switch cover groove (13a) the described foldable base of a corresponding side (2) one side be provided with spacer (11), and under the centre of this spacer (11), be fitted with the location fastener, cooperate the switch shaft groove (10b) that is milled with radian 90 degree on the described switch shaft (10) of corresponding position of described location fastener.

4, according to claim 1 or 2 or 3 described standpipe folders, it is characterized in that: described fast lock handle (9) cephalic par pass described fast lock gland (8) and can with switch shaft recessed last mesopore (10c) mutually line connect, and also in the middle of switch shaft (10) and fast lock gland (8), be provided with spring (14).

5, standpipe folder according to claim 4, it is characterized in that: described spacer (11) is internal diameter 10MM, side is thick to be 8MM, and sets fastener and cooperate and be stuck on the switch shaft groove (10b) of described switch shaft (10) boring knock hole (11a) on this spacer; Described location fastener is a set screw.

6, standpipe folder according to claim 5 is characterized in that: described switch cover groove (13a) inner opening is that the outer opening of 6MM is 8MM; Respective switch axle (10) middle part is shaped on the flats structure and becomes the recessed handle of the thick switch shaft of 5.5MM (10a).

7, standpipe folder according to claim 2 is characterized in that: the gland projection (8a) of described fast lock gland (8) all is milled with the dark otch of 2MM with the foldable base groove (2a) of described foldable base (2) and matches.