CN2723329Y

CN2723329Y - Rotary body type quick detachable pin type folding device

Info

Publication number: CN2723329Y
Application number: CN 200420093212
Authority: CN
Inventors: 贾新
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-09-09
Filing date: 2004-09-09
Publication date: 2005-09-07
Anticipated expiration: 2014-09-09

Abstract

The utility model relates to a rotary body type quick detachable pin type folding device used for the vertical pipe folding of a foldable bicycle handlebar. Rotary body type mesopores which are mutually buckled are fixed with an upper vertical pipe, the center of the upper vertical pipe is symmetrically fixed with an H-shaped upper cover bowl which is composed of two movable shaft plates and a vertical plate, the upper cover bowl and the mesopores are fixed with a lower vertical pipe, the center of the lower vertical pipe is symmetrically riveted with the base plates of two fixed plates to the corresponding holes at one side by fixed pin shafts; an eccentric quick detachable screw rod is provided with an arced surface pad, a movable pin shaft, a spring and a vertical plate hole and is fastened by a retaining screw nut to form a tracing fastening device; a safety pin is provided with corresponding holes, an arced key hole, a circlip and a spring to form a device which is provided with double safety positions.

Description

The quick disassembled bail type folder of a kind of revolution build

The utility model relates to a kind of folding revolution build of folding bicycle handle riser that is used for and has the quick disassembled bail type folder in double insurance position.

Existingly be used for comparatively typical case of dovetail furrow screw threads for fastening taper formula folder that a kind of square box type of folding bicycle handle riser folder has a simple insurance position, see shown in figure (1), (2), (3), (4).Among the figure, mutually fasten all vertically connect firmly respectively in the middle part upper box cover (2) of upper riser (1) and lower standing tube (8) and down seat board (6) on the left of it in corresponding all holes by dead axle (10) keying, see figure (1).Wherein, it is linear consistent that four dovetail furrows (15) on its right side keep, and fastening handle (5) installs taper (4), quick detach spring (14) successively, is anchored on adapter plate (3) respective screw hole at last; Safety lever (16) installs vertical summetry successively, and to be fixed on down cant board (17) respective aperture on the seat board (6), spring (11), opposite side riser respective aperture, the last circlip that fixes in the axle head annular groove that stretches out spacing, sees figure (1), (2).In use, when fastening handle (5) and taper (4) all are in two point shown in the figure (2) and draw, thereafter safety lever (16) is drawn position (amount of compression K according to being depressed into two point shown in figure (2) arrow G, the just corresponding straight keyhole (12) of its upper hind neck groove (13)), upper box cover (2) and following seat board (6) are fastened mutually (hereat since neck groove (13) diameter less than straight spoon mouth (12) opening N, so it can slip into wherein automatically), safety lever (16) automatically resets, the fastening handle of turn (5) then, taper (4) is squeezed in four dovetail furrows (15) and powerful fastening it, see among the figure (1) shown in the arrow T.Wherein, install screw rod (7) in following seat board (6) mesopore and in lower standing tube (8) hole, pass and the upright locking mechanism (seeing the QB/T1715-93 standard) of the general handle of wedge nut (9) center screw connection formation, but plug-in mounting lock onto in the vertical tube of front fork; Its top upper riser (1) but in the general handle riser of suit.In the time must opening folder, fastening handle (5) is outwarded winding, taper (4) is backed out synchronously under the effect of quick detach spring (14) to two point shown in the figure (2) and is drawn the position, and recompression safety lever (16) (amount of compression K) just is in the straight keyhole (12) neck groove (13), and Gu Er can be with it unlatching.Its flip angle β is generally 0 ° of-180 ° of scope.This type of folder is because simple in structure, and locking property is good, and is safe and reliable, the commonality good manufacturability, and cost is low, now has been widely used in the upright structure of folding grip of folding bicycle.But because due to the structure and body is bigger, outward appearance is square box type (seeing figure (3), block diagram (4)), to be revolution build cycle arm direction control structure outward appearance extremely inharmonious attractive in appearance with integral body; Opening fashionablely, owing to must multi-turn rotate fastening handle (5), and taper (4) should rotate displacement thereupon and makes operation very not convenient; The simple insurance position also easily produces the location thereupon after fastening handle (5) accident is loosening loosening; Whole location weak strength should destructiveness be opened and the generation accident.

The purpose of this utility model provides a kind of improved not only having tracing property bayonet lock performance but also be provided with the quick disassembled eccentric bail type folder of double insurance position on structure of revolution build that be on the whole, it is inharmonious attractive in appearance that it can overcome in the existing technology appearance and car load effectively, the locking undercapacity is operated defectives such as not convenient.

The utility model is to be achieved through the following technical solutions:

1, connects firmly on it and connect firmly the two moving axis plates (33) that are parallel to each other that are symmetrically distributed with its line of centers Z in last teabowl with a cover (22) of upper riser (1) by riser (37) maintenance, and dead axle (38) hole on the two moving axis plates (33), slotted hole (28) is concentric in twos, and the central through hole of riser (37) is concentric with last teabowl with a cover (22) respective aperture; Wherein, eccentric quick detach (24) screw rod installs cambered surface pad (41) successively, and last teabowl with a cover (22) is gone up respective through hole, two axial ends laterally is threaded onto the mesopore of the untie-sell axle (23) in two slotted holes (28), lock pin spring (35), riser (37) through hole, and in the fastening retaining nut of the axle head that stretches out (40).

2, it connects firmly down to connect firmly above the seat board (25) of lower standing tube (8) with its line of centers Z is symmetrically distributed and decides plate (32), and two dead axles (38) hole, and arc key hole (27) is concentric in twos, and two lock pin wedge surface D are in the same plane.

3, safety plug (31) installs teabowl with a cover (22) respective through hole successively, decide the arc key hole (27) on the plate (32), respective through hole on the moving axis plate (33), circlip (34) fixes the location in axial trough, and then install relief spring (36), another moving axis plate (33) is gone up respective through hole, decides the arc key hole (27) on the plate (32).

4, rationed marketing axle (38) install successively decide plate (32), two moving axis plates (33), another decides riveting knot after plate (32) respective aperture.

The utility model can also come real by the following technical programs:

1, goes up teabowl with a cover (22) and cut the consistent seat board of type (25) with its rim of a bowl and be the revolution build.

2, go up teabowl with a cover (22) outward appearance and be the circular cone bench-type, it is consistent that seat board (25) and its rim of a bowl cut type.

3, go up teabowl with a cover (22) outward appearance and be column type, it is consistent that seat board (25) and its rim of a bowl cut type.

4, go up lower standing tube (1), (8) setting with one heart, wherein, upper riser (1) internal diameter and lower standing tube (8) external diameter are by Chinese bicycle industry mark QB1775,1880, the 1881-93 requirement, wherein, upper riser (1) height M is 180mm-280mm, and lower standing tube (8) height L is not less than 80mm;

5, upward lower standing tube (1), (8) one-tenth angle are 150 °-180 ° angle of cut design, but must be in the planes that become 45 degree up and down perpendicular to rationed marketing axle (38) axis and with its level.

6, riser (37) through hole is the M8 tapped bore, and the screw rod of eccentric quick detach (24) is fastening with it.

7, slotted hole (28) is the line style chute, and the untie-sell axle (23) of running-fit is the wedge type pin consistent with retaining wedge surface D in it.

8, go up teabowl with a cover (22), seat board (25), decide plate (32), moving axis plate (33), riser (37) and be the punching press extension.

The utility model since folder opens its corresponding all the time slideway of untie-sell axle in the process of closing (round or wedge type pin) in (slotted hole or linear pattern featherway) mobile, no matter be eccentric clamp or screw thread screw it all can turn, and it can automatically reset under the spring force effect, simple operation; The retaining nut can be regulated coupling mechanism force and tommy bar locking position expediently, has obviously improved assembly process process, and owing to the tommy bar that can make eccentric quick detach has increased operation comfort and safe reliability all the time downwards; Because safety plug is latch two moving axis plate holes and decide the plate arc key hole simultaneously, have strengthened locking intensity, have improved locking positioning precision and operability; Because main parts in addition are the punching press extension, greatly reduce manufacturing cost, have improved anufacturability; Owing to be the revolution build on the whole, the cycle arm and the vertical tube of front fork that turn round build are very harmonious with being, and make himself and car load succinctly attractive in appearance; Because last teabowl with a cover and base plate structure meet bicycle set a roof beam in place external form and structure, so also can be applied thereon; Because programmable grow (180mm-280mm) of upper riser improved greatly upright range of regulation, satisfied the demand of people's personalizations.

The description of the drawings is as follows:

Figure (1) is existing technology front view (also being figure (3) A-A cutaway view); Figure (2) is that figure (1) opens upper box cover B-B section-drawing; Figure (3) is figure (a 1) birds-eye view; Figure (4) is the axle side block diagram of existing technology; Figure (5) is the utility model front view (also being axially Y-Y cutaway view of figure (6)); Figure (6)

It is figure (5) X-X cutaway view; Figure (7) is 2 times of enlarged drawings of figure (5) I portion; Figure (8) is (6) 2 times of enlarged drawings of figure; Figure (9) is figure (a 5) birds-eye view; Figure (10) is figure (a 5) upward view; Figure (11) is figure (a 5) External view; Figure (12) is the utility model axle side block diagram.

Describe in detail according to specific structural details and the service condition that the utility model proposes below in conjunction with accompanying drawing.

Figure (5)-(11) are the utility model most preferred embodiment.Last teabowl with a cover (22) is gone up and is connected firmly upper riser (1) (for decorating usefulness, its end suitable for reading is set with sheath (21)) in the mesopore, sees figure (5), (7), (11); Riser (37) two sides connect firmly two parallel moving axis plates (33) respectively, constitute the H type: wherein, two safety plugs (31) hole, slotted hole (28), rationed marketing axle (38) hole are coaxial in twos and symmetrical, and two moving axis plates (33) of this H type framework connect firmly with last teabowl with a cover (22), and are symmetrically distributed with its axis Z; Seat board (25) lower surface central vertical connects firmly lower standing tube (8), vertically connects firmly above it to be symmetrically distributed with z axis and parallel two to decide plate (32), wherein, two decide plate cambered surface (29) is in the same cambered surface, two arc key holes (27), rationed marketing axle (38) hole is coaxial in twos, sees figure (7), (8).During assembling, rationed marketing axle (38) installed decide plate (32), moving axis plate (33) and go up corresponding all holes riveting then knot, see figure (5), (8), (10);

Screw rod (7) installs locating pad (26) mesopore, lower standing tube (8), following client link wedge nut (9) the formation General Construction that the following center of seat board (25) connects firmly successively, sees figure (5), (7); The screw rod of eccentric quick detach (24) is installed the opposite cambered surface pad (41) of two arcs successively, goes up teabowl with a cover (22) and go up mesopore, lock pin spring (35), riser (37) mesopore, last in the fastening retaining nut of the axle head that stretches out (40) that respective aperture, two axial ends laterally are plugged in the untie-sell axle (33) in the slotted hole (28), wherein, see figure (5), (6), (7) (8) because the spring force effect forces cambered surface pad (41) normal pressure untie-sell axle (33) and tommy bar eccentric wheel; Safety plug (31) is installed teabowl with a cover (22) respective aperture, moving axis plate (33) respective aperture, circlip (34) (being installed in the annular groove), relief spring (36), another moving axis plate (33) respective aperture successively, wherein because spring force effect normal pressure circlip (34) thus force its normal pressure moving axis plate (33), see figure (6), (7), (8).In the time folder must being fastened, earlier according to pressing down safety plug (31) displacement K to the long and two-short dash line position shown in the arrow G among the figure (8), its two neck (39) just is in and decides plate (32) arc key hole (27) position hereat, because arc eck F is greater than neck (39) diameter, so it can enter in the arc key hole (27), unclamp back safety plug (31) under the elastic force effect and automatically reset and make its particle size be sold back to a grain-producing area two arc key holes (27); Because its thick neck is much larger than arc eck F, circuit shown in the arrow U can not be opened among the Gu Yantu (7), so your two arc key holes (27) play the effect of double insurance position.In folder fastening process, untie-sell axle (23) is in figure (5), (6), (7), (8) two point and draws the position, and spring force forces untie-sell axle (33) along arrow E direction displacement H, so it can go to shown position outside deciding plate cambered surface (29); Hereat quick-detachable pulling rod is pressed down along arrow J, eccentric press mobile bearing pin (23) make its along arrow E move H and lock pin in retaining wedge surface D.Can change H owing to adjust retaining nut (40), require so Camlock power can be adjusted to locking completely, and simultaneously all gaps are eliminated; In order to make retaining wedge surface D that enough retaining amounts and lock pin power be arranged, eccentric offset is not less than 1.5mm (then H is greater than 3mm), realizes the lock pin state shown in figure (7), (8).In the time must opening folder, carry out (obviously reversible) with said procedure is contrary, pull eccentric tommy bar in the elder generation and make the mobile H of untie-sell axle (23) along arrow E, move safety plug (31) (mobile K) and all be in position shown in figure (5), (7), (8) long and two-short dash line to pressing down along arrow G again, can make teabowl with a cover (22) assembly is the axle center with dead axle (38), opens along arrow U; Its flip angle β is 0 ° of-180 ° of scope, sees figure (5), (6).

When the utility model was installed in use, upper riser (1) internal diameter (according to QB/1880-93 China bicycle trade production-release design) the general handle riser of suit (QB1775-93), adjusted the back, position with handlebar and use the fastening drift of heart pull bar in interior locking by the drift structure; Lower standing tube (8) is plugged in the vertical tube of front fork, connects firmly with screw rod (7) assembly key nut (9).For parallel bicycle after making 180 ° of handlebar upsets is downwards set a roof beam in place, the setting at 45 of rationed marketing axle (38) axis and bicycle must being set a roof beam in place; Generally, last lower standing tube (1), (8) coaxial setting; In particular cases (special type car), last lower standing tube (1), (8) become the angle of cut (non-concentric) design in bicycle is set a roof beam in place basal plane (be parallel car load basal plane after the assurance handlebar folds hereat, rationed marketing axle (38) must vertical lower standing tube (8) axis and with the setting at 45 of car basal plane), its angle can design (generally in 150 ° of-180 ° of scopes) arbitrarily according to actual needs; In order to satisfy folding bicycle below 20 o'clock height and the requirement of 1.3M-1.7m rider's height, M is designed to 180mm-280mm with upper riser (1) height; In order to guarantee lower standing tube (8) and vertical tube of front fork bond strength, must make lower standing tube (8) height L be not less than 80mm.

For harmonious upright outward appearance, will go up teabowl with a cover (22) and roll into the revolution build: be the circular cone bench-type, shown in figure (11), (12) with bicycle revolution build; Also can be column type; Also can be made into as symmetric form such as oval, just polygonal for specific (special) requirements on the structure.But no matter make what type, seat pulls that (25) external form must to cut type consistent with the rim of a bowl.

In order to guarantee untie-sell axle (23) lock pin intensity, to eccentric quick detach (24) screw diameter of major general greater than M6.

The utility model also can be pulled (37) mesopore with standing and be designed to the M8 screw, and screw rod is designed to M8, with spiral marking connection fastening means lock pin folder.

The effect of two slotted holes (28) is to provide spacing (not rotating) slideway (translation) to untie-sell axle (23) two axial ends, thus also can be designed to other linear chute, to satisfy the linear translation requirement of untie-sell axle (23); For self-locking performance and the tacit agreement that increases locking, untie-sell axle (23) locking face is designed to and the consistent taper axle of retaining wedge surface D pattern.What must further specify is: this type be utilize axial thrust compressing untie-sell axle (23) bayonet lock that the handle eccentric wheel produces in retaining wedge surface D relative with slotted hole (28) with D below on the V-slot face that constitutes, this axial force belongs to teabowl with a cover (22) assembly and seat board (25) assembly owing to constitute the two sides of V-slot, so can be converted into the fastening power (utilizing the wedge surface effect to produce vertical component) of folder; When reality fastened, only worked in the V-slot two sides, so the spacing linear slide of design can satisfy the lock pin requirement on moving axis plate (33) relevant position of last teabowl with a cover (22); Owing to produced the design-calculated variety like this, and structural principle is identical, so do not describe in detail.

As above pull (25), locating pad (26), pull (32) surely, moving axis plate (33), upright pull (37) etc. be the punching press extension by teabowl with a cover (22), seat for self-made components of the present utility model, and other all is essentially general part.So just improve product manufacture greatly, reduced cost.

In sum, the utility model is rational in infrastructure, and lock pin is safe and reliable, simple operation; Appearance design is the revolution build, coordinates attractive in appearance; Framing member adopts to dash and prolongs technology, and cost is low; The standardized rate height is made easily, high efficiency, and producer practices midwifery easily.

Claims

1, the quick disassembled bail type folder of a kind of revolution build, be included in upper riser (1) that the folder top and bottom connect firmly and in the contract type lower standing tube (8) that screw rod (7) connects contract type nut (9) is housed, it is characterized in that:

(1), connects firmly on it and connect firmly the two moving axis plates (33) that are parallel to each other that are symmetrically distributed with its line of centers Z in last teabowl with a cover (22) of upper riser (1) by riser (37) maintenance, and dead axle (38) hole on the two moving axis plates (33), slotted hole (28) is concentric in twos, and the central through hole of riser (37) is concentric with last teabowl with a cover (22) respective aperture; Wherein, eccentric quick detach (24) screw rod installs cambered surface pad (41) successively, and last teabowl with a cover (22) is gone up respective through hole, two axial ends laterally is threaded onto the mesopore of the untie-sell axle (23) in two slotted holes (28), lock pin spring (35), riser (37) through hole, and in the fastening retaining nut of the axle head that stretches out (40);

(2), it connects firmly down to connect firmly above the seat board (25) of lower standing tube (8) with its line of centers Z is symmetrically distributed and decides plate (32), and two dead axles (38) hole, arc key hole (27) is concentric in twos, two lock pin wedge surface D are in the same plane;

(3), safety plug (31) installs teabowl with a cover (22) respective through hole successively, decide the arc key hole (27) on the plate (32), respective through hole on the moving axis plate (33), circlip (34) fixes the location in axial trough, and then install relief spring (36), another moving axis plate (33) is gone up respective through hole, decides the arc key hole (27) on the plate (32);

(4), rationed marketing axle (38) install successively decide plate (32), two moving axis plates (33), another decides riveting knot after plate (32) respective aperture.

2, folder according to claim 1 is characterized in that teabowl with a cover (22) and cuts the consistent seat board of type (25) with its rim of a bowl being the revolution build.

3, folder according to claim 1 is characterized in that teabowl with a cover (22) outward appearance is the circular cone bench-type, and it is consistent that seat board (25) and its rim of a bowl cut type.

4, folder according to claim 1 is characterized in that teabowl with a cover (22) outward appearance is column type, and it is consistent that seat board (22) and its rim of a bowl cut type.

5, folder according to claim 1, it is characterized in that lower standing tube (1), (8) are provided with one heart, wherein, upper riser (1) internal diameter and lower standing tube (8) external diameter are by People's Republic of China's industry standard (QB) bicycle industrial standard QB1715,1880, the 1881-93 requirement, upper riser (1) height M is 180mm-280mm, lower standing tube (8) height L is not less than 80mm;

6, folder according to claim 1 is characterized in that it is 150 °-180 ° angle of cut design that lower standing tube (1), (8) become angle, but must be in the plane that becomes 45 degree perpendicular to rationed marketing axle (38) axis and with it.

7, folder according to claim 1 is characterized in that riser (37) through hole is the M8 tapped bore, and eccentric quick detach (24) screw rod is fastening with it.

8, folder according to claim 1 is characterized in that slotted hole (28) is the line style chute, and the untie-sell axle (23) of running-fit is the wedge type pin consistent with retaining wedge surface D in it.

9, folder according to claim 1 is characterized in that teabowl with a cover (22), seat board (25), decides plate (32), moving axis plate (33), riser (37) and is the punching press extension.