CN201056268Y

CN201056268Y - Improved folder

Info

Publication number: CN201056268Y
Application number: CNU2007200394210U
Authority: CN
Inventors: 巩洪聘
Original assignee: Giant China Co Ltd
Current assignee: Giant China Co Ltd
Priority date: 2007-06-04
Filing date: 2007-06-04
Publication date: 2008-05-07
Anticipated expiration: 2017-06-04

Abstract

An improved folder is composed of a foldable front seat, a foldable rear seat and a folder shaft. The corresponding sides of the foldable front seat and the foldable rear seat are rotatably connected by the folder shaft, and a buckling mechanism is arranged between the other corresponding sides of the foldable front seat and the foldable rear seat; the buckling mechanism is composed of a shaft whose two ends are rotatably fixed on the foldable rear seat, a shaft sleeve which are movably covers the middle part of the shaft, and a handle fixed on the end of the shaft; the shaft sleeve forms a buckling stem and a clamping hook corresponding to the clamping seat on the foldable front seat; a shrinking eccentric shaft is formed at the location on the shaft corresponding to the shaft sleeve; the shaft sleeve is spirally fixed with an upper regulating screw whose end can extends into the sleeve of the shaft sleeve and rotatably supports the circle plane of the shrinking eccentric shaft; at least one end of the sleeve of the shaft sleeve is provided with a sunk hole and forms an arc-shaped interference plane for conveniently driving the buckling of the buckle stem and the clamping hook at the end of the buckling stem or the releasing of the corresponding clamping seat. The utility model has simple folding operation and excellent buckling and connecting intensity.

Description

The improved type folder

Technical field

The utility model relates to a kind of fold mechanism, and two corresponding end that are meant folded tube especially respectively are provided with foldable base can make the folding improved type folder that folds, and especially is widely used in pipe fittings such as bicycle, battery-driven car and connects.

Background technology

General fold mechanism all has folding closing function, and volume after folding is little, no matter carries or takes in and transport all very facility, therefore more and more is subjected to customer's favor.This fold mechanism comprises two connecting supports, pivotal axis and quick detach group, this two connecting support is that solid welding respectively fixes on the folded end of folded tube, this pivotal axis system is articulated in the side of two connecting supports, making two connecting supports can be that the axle center is done to pivot folding with this pivotal axis, quick detach group system is installed on two connecting support opposite sides in addition, can fix for two connecting supports and the snap close when connecing, make this foldable structure have the purpose that folds thus, but when reality is used, still having following shortcoming has to be solved: in the existing fold mechanism when opening this quick detach group, after at first handle is stirred rotating shaft, this locking-bar pine from, need then just can open this quick detach group, and parts are more with pulling out this locking-bar.

Summary of the invention

In order to remedy above deficiency, a kind of improved type folder that the utility model provides has that folding operation is simple and easy to have splendid snap close and Joint strenght simultaneously.

The technical solution of the utility model is achieved in that a kind of improved type folder, form by folding front stall, folding back seat and folder rotating shaft, should fold the corresponding side of front stall and folding back seat is rotationally connected by this folder rotating shaft, should fold between the corresponding opposite side of back seat and folding front stall and be provided with the locking mechanism that can realize that this folding front stall and folding back seat are locked or opened, wherein:

1) this locking mechanism is made up of in the handle that rotating shaft, the activity of this folding back seat is set in the rotating shaft cover at this rotating shaft middle part and is fixed in this roller end the two ends rotational fixation, this rotating shaft cover upwards forms Button Handle, and this Button Handle free end forms the grab that can hook corresponding deck on this preceding foldable base;

1) eccentric shaft is dwindled in this rotating shaft position formation of this rotating shaft cover relatively, relative this grab, this rotating shaft cover is rotated with an end and can stretches in this rotating shaft cover sleeve pipe, and rotatable be supported in the last plus-minus screw that this dwindles the eccentric shaft periphery, this dwindles eccentric shaft relatively, at least one end of this rotating shaft cover axis hole is provided with counterbore, and formation arc interference surface, be convenient to when this periphery that dwindles eccentric shaft is interfered with last plus-minus screw, the rotating shaft outer peripheral face that should dwindle the eccentric shaft outside is rotated stop bit in this interference surface, the grab that drives this Button Handle and this Button Handle end is dialled from cooresponding this deck, thereby realizes separating of this folding back seat and this folding front stall.

As further improvement of the utility model, the middle part of this Button Handle be connected with back-moving spring with this folding deck compartment.

As further improvement of the utility model, relatively should go up plus-minus screw, the bottom of this rotating shaft cover is rotated with an end at least and can stretches in this rotating shaft cover sleeve pipe, and rotatablely be supported in the following plus-minus screw that this dwindles the eccentric shaft periphery.

As further improvement of the utility model, this dwindles eccentric shaft relatively, and at least one end of this rotating shaft cover axis hole is provided with counterbore, and forms the interference surface of annular.

As further improvement of the utility model, this folding back seat is provided with two side by side and is convenient to the lug that activity is set in these rotating shaft both ends.

As further improvement of the utility model, deck on this preceding foldable base and the grab corresponding surface on this Button Handle are respectively is convenient to the buckled up arcwall face.

As further improvement of the utility model, this handle end has two feets that take the shape of the letter U, and be individually fixed in this rotating shaft two outer ends, being convenient to stir related this rotating shaft of this handle rotates, be supported in plus-minus screw on this thereby dwindle the eccentric shaft periphery based on this, this rotating shaft cover of rotating drive and related grab are dialled from cooresponding deck.

As further improvement of the utility model, two feets of this handle have two fixed orifices that can be fixed in these rotating shaft two outer ends respectively, and an outer end of this rotating shaft and a cooresponding fixed orifice have at least respectively and can drive this handle and drive a qualification face and standstill face that this rotating shaft is rotated.

Useful technique effect of the present utility model is: by swing handle, when handle turns to certain angle, Button Handle will be dwindled that eccentric shaft is related to be opened by this.When spanner was replied, grab was withdrawn into original position by extension spring, and spanner is rotated further Button Handle is dwindled the folding front stall tension of turning handle of eccentric shaft by this.Last plus-minus screw can be regulated the angle that this Button Handle is opened, and when last plus-minus screw screwed in downwards, it is big that the angle that Button Handle is opened becomes, otherwise diminish; Following plus-minus screw can be regulated the degree of blocking of Button Handle and folding front stall, and when plus-minus screw screwed in instantly, it is big that the degree of blocking of Button Handle and folding front stall becomes, otherwise diminish.

This rotating shaft middle part of this rotating shaft cover forms and dwindles eccentric shaft relatively, be rotated with the last plus-minus screw that puts in this rotating shaft like this, can extend in the rotating shaft cover and be supported in this and dwindle the rotation of eccentric shaft periphery, meanwhile, this dwindles eccentric shaft relatively, at least one end of this rotating shaft cover axis hole is provided with counterbore, and formation arc interference surface, be convenient to this rotating shaft outer peripheral face that dwindle the eccentric shaft outside is rotated stop bit in this interference surface, the grab that drives this Button Handle and this Button Handle end is dialled from cooresponding this deck, thereby realizes and should separate with this folding front stall by folding back seat.

Thus when related this rotating shaft of handgrip is rotated toward the locking direction, because the tension of spring, Button Handle will automatically reset, last plus-minus screw separates with the interference of dwindling eccentric shaft, simultaneously this rotating shaft outer peripheral face that should dwindle the eccentric shaft outside is separated with the interference of this rotating shaft cover interference surface, along with the rotation of spanner drive eccentrically weighted shaft, Button Handle also moves down gradually.At last, dwindle the eccentric shaft periphery and contact, make Button Handle and folding front stall reach locking state with following plus-minus screw.

When related this rotating shaft of handgrip when opening direction and rotate, at first be supported in plus-minus screw on this by the eccentric shaft that dwindles in this rotating shaft, with last plus-minus screw and related rotating shaft cover, Button Handle and grab jack-up, rotate stop bit in this interference surface and interfered to tackling this this rotating shaft outer peripheral face that dwindles the eccentric shaft outside, drive to go up thus plus-minus screw and related rotating shaft cover, Button Handle and grab break away from should before cooresponding deck on the foldable base, reach and open catch gear.

Description of drawings

Fig. 1 is the utility model assembly drowing;

Fig. 2 is a structural perspective of the present utility model;

Fig. 3 is the structural front view when this folder is locked in the utility model;

Interference scheme drawing when Fig. 4 is the locking of catch gear described in Fig. 3;

Fig. 5 is the structural front view during this folder release in the utility model;

Interference scheme drawing when Fig. 6 is catch gear release described in Fig. 5;

Structural front view when Fig. 7 opens for this folder in the utility model;

Interference scheme drawing when Fig. 8 opens for catch gear described in Fig. 7.

The specific embodiment

Be further described in conjunction with Fig. 1 and Fig. 2: a kind of improved type folder, form by folding front stall 1, folding back seat 2 and folder rotating shaft 3, being somebody's turn to do folding front stall 1 and folding back seat 2 corresponding sides is rotationally connected by this folder rotating shaft 3, should fold and be provided with the locking mechanism that can realize that this folding front stall and folding back seat are locked or opened between back seat 2 and the folding front stall 1 corresponding opposite side, wherein:

This locking mechanism is made up of in the handle 6 that rotating shaft 41, the activity of this folding back seat 2 is set in the rotating shaft cover 42 at these rotating shaft 41 middle parts and is fixed in these rotating shaft 41 ends the two ends rotational fixation, this rotating shaft cover 42 upwards forms Button Handle 43, these Button Handle 43 free ends form the grab 431 that can hook corresponding deck 11 on this preceding foldable base, this deck 11 is respectively with these grab 431 corresponding surfaces is convenient to the buckled up arcwall face, prevents grab 431 and these deck 11 slippages.

These rotating shaft 41 positions of this rotating shaft cover form and dwindle eccentric shaft 411 relatively, relative this grab 431, this rotating shaft cover is rotated with an end and can stretches in this rotating shaft cover sleeve pipe, and rotatable be supported in the last plus-minus screw 5 that this dwindles eccentric shaft 411 peripheries, this dwindles eccentric shaft 411 relatively, these rotating shaft cover axis hole two ends are respectively equipped with two counterbores 421 (being exactly that this aperture axis is to forming the circular hole that enlarges), and form two arc interference surfaces respectively, be convenient to when this periphery that dwindles eccentric shaft is interfered with last plus-minus screw, this rotating shaft outer peripheral face 412 (being exactly that this dwindles eccentric shaft and the common side face position of this rotating shaft) that should dwindle the eccentric shaft outside is rotated stop bit in this interference surface, the grab that drives this Button Handle and this Button Handle end is dialled from cooresponding this deck, thereby realizes separating of this folding back seat and this folding front stall.

The middle part of this Button Handle 43 and this folding 2 of back seat be connected with back-moving spring 44, and this folding back seat 2 is provided with two side by side and is convenient to the lug 21 that activity is set in these rotating shaft 41 both ends.

The bottom of this rotating shaft cover is rotated with an end and can stretches in this rotating shaft cover sleeve pipe, and rotatablely be supported in the following plus-minus screw 7 that this dwindles eccentric shaft 411 peripheries, and eccentric shaft 411 peripheries that dwindle in this rotating shaft 41 are supported in this time plus-minus screw 7 and reach Button Handle and folding front stall are strained like this.

These handle 6 ends have two feets 61 that take the shape of the letter U, and be individually fixed in 41 liang of outer ends of this rotating shaft, being convenient to stir related this rotating shaft of this handle rotates, thereby dwindle the eccentric shaft periphery based on this and be supported in plus-minus screw 5 on this, this rotating shaft cover of rotating drive and related grab fasten or dial from cooresponding deck 11, two feets of this handle have two fixed orifices that can be fixed in these rotating shaft two outer ends respectively, and an outer end and a cooresponding fixed orifice section of this rotating shaft are rectangular-shaped, are convenient to this handle of may command and drive this rotating shaft rotation.

When related this rotating shaft of handgrip is rotated toward the locking direction, because the tension of spring, Button Handle will automatically reset, and last plus-minus screw separates with the interference of dwindling eccentric shaft, simultaneously this rotating shaft outer peripheral face that should dwindle the eccentric shaft outside be separated with the interference of rotating shaft cover interference surface.Along with the rotation of spanner drive eccentrically weighted shaft, Button Handle also moves down gradually, and last, the periphery that dwindles eccentric shaft contacts with following plus-minus screw, makes Button Handle and folding front stall reach locking state (as shown in Figure 3 and Figure 4).

When related this rotating shaft of handgrip when opening direction and rotate, at first be supported in plus-minus screw on this by the eccentric shaft that dwindles in this rotating shaft, with last plus-minus screw and related rotating shaft cover, Button Handle and grab jack-up, this rotating shaft outer peripheral face that should dwindle the eccentric shaft outside is rotated stop bit in this interference surface and interfered, drive to go up thus plus-minus screw and related rotating shaft cover, Button Handle and grab break away from should before cooresponding deck on the foldable base, reach and open catch gear (as Fig. 5, Fig. 6, Fig. 7, shown in Figure 8).

Regulate and to go up plus-minus screw 5, can control the angle that this Button Handle 43 is opened; Regulate this time plus-minus screw 7, can control this and dwindle eccentric shaft 411 and position between 42 axis holes is overlapped in this rotating shaft, thereby reach the degree of blocking of adjusting this Button Handle 43 and folding front stall 1.

Claims

1. improved type folder, form by folding front stall (1), folding back seat (2) and folder rotating shaft (3), being somebody's turn to do folding front stall (1) and the corresponding side of folding back seat (2) is rotationally connected by this folder rotating shaft (3), should fold and be provided with the locking mechanism that can realize that this folding front stall and folding back seat are locked or opened between back seat (2) and the corresponding opposite side of folding front stall (1), it is characterized in that:

1) this locking mechanism is made up of in the handle (6) that rotating shaft (41), the activity of this folding back seat (2) is set in the rotating shaft cover (42) at this rotating shaft (41) middle part and is fixed in this rotating shaft (41) end the two ends rotational fixation, this rotating shaft cover (42) upwards forms Button Handle (43), and this Button Handle (43) free end forms the grab (431) that can hook corresponding deck (11) on this preceding foldable base;

2) eccentric shaft (411) is dwindled in this rotating shaft (41) position formation of this rotating shaft cover relatively, relative this grab (431), this rotating shaft cover is rotated with an end and can stretches in this rotating shaft cover sleeve pipe, and rotatable be supported in the last plus-minus screw (5) that this dwindles eccentric shaft (411) periphery, this dwindles eccentric shaft (411) relatively, at least one end of this rotating shaft cover axis hole is provided with counterbore (421), and formation arc interference surface, be convenient to when this periphery that dwindles eccentric shaft is interfered with last plus-minus screw, the rotating shaft outer peripheral face (412) that should dwindle the eccentric shaft outside is rotated stop bit in this interference surface, the grab that drives this Button Handle and this Button Handle end is dialled from cooresponding this deck, thereby realizes separating of this folding back seat and this folding front stall.

2. a kind of improved type folder as claimed in claim 1 is characterized in that, be connected with back-moving spring (44) between the middle part of this Button Handle (43) and this folding back seat (2).

3. a kind of improved type folder as claimed in claim 1, it is characterized in that, relatively should go up plus-minus screw, the bottom of this rotating shaft cover is rotated with an end at least and can stretches in this rotating shaft cover sleeve pipe, and rotatablely be supported in the following plus-minus screw (7) that this dwindles eccentric shaft (411) periphery.

4. a kind of improved type folder as claimed in claim 1 is characterized in that this dwindles eccentric shaft relatively, and at least one end of this rotating shaft cover axis hole is provided with counterbore (421), and forms the interference surface that goes in ring.

5. as claim 1,2,3 or 4 described a kind of improved type folder, it is characterized in that this folding back seat (2) is provided with two side by side and is convenient to the lug (21) that activity is set in this rotating shaft (41) both ends.

6. a kind of improved type folder as claimed in claim 5 is characterized in that, grab (431) corresponding surface on the deck (11) on this preceding foldable base and this Button Handle is respectively is convenient to the buckled up arcwall face.

7. as claim 1,2,3 or 4 described a kind of improved type folder, it is characterized in that this handle (6) end has two feets (61) that take the shape of the letter U, and be individually fixed in this rotating shaft (41) two outer ends, be convenient to stir related this rotating shaft of this handle and rotate.

8. a kind of improved type folder as claimed in claim 7, it is characterized in that, two feets of this handle have two fixed orifices that can be fixed in these rotating shaft two outer ends respectively, and an outer end of this rotating shaft and a cooresponding fixed orifice have at least respectively and can drive this handle and drive a qualification face and standstill face that this rotating shaft is rotated.