CN2592495Y

CN2592495Y - Front fork locking tricycle

Info

Publication number: CN2592495Y
Application number: CN 02258690
Authority: CN
Inventors: 李明顺
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2002-11-20
Filing date: 2002-11-20
Publication date: 2003-12-17
Anticipated expiration: 2012-11-20

Abstract

The utility model relates to a front fork locking tricycle, which comprises a tricycle frame [9], back wheels [10], a front fork [3], a front wheel [2], a handle [7], a saddle [8], pedals [1] and a locking mechanism, wherein, the locking mechanism comprises an upper locking element [13] fixed on a rotating shaft [6] of the front fork, a lower locking element [14] fixed on the front pipe [4] and an upper cover [5] of a tricycle shaft with a longitudinal locking rib [12], wherein, a locking groove [16] which can longitudinally penetrate through the upper locking element is arranged on the upper locking element [13]; a locking groove [17] of the lower locking element is arranged on the lower locking element [14]. The locking rod can be in a first operating position or a second operating position through the upper cover of the rotating tricycle shaft; when the locking rods of two operating positions are both in stable working positions, the operation is convenient.

Description

The lockable three-wheel vehicle of front fork

Technical field

The utility model relates to a kind of child's tricycle.

Technical field

Front fork, the front-wheel that is arranged at the bottom of front fork, the handrail that is arranged at the top of front fork, the vehicle seat that is arranged at the middle part of vehicle frame that in the prior art, three-wheel vehicle comprises vehicle frame, is arranged at two trailing wheels of the both sides, rear portion of vehicle frame, be rotatably connected by the front fork rotating shaft with the front portion of vehicle frame, be arranged at the lockout mechanism that step on the front-wheel, are used to lock the preceding pipe of front fork and vehicle frame front portion.Three-wheel vehicle needs front fork not rotate sometimes, promptly will lock relatively between front fork and the vehicle frame, and prior art is by a pin front fork to be locked mutually with the vehicle frame front portion, and this structure makes pin be difficult to aim at corresponding lock hole, user's troublesome poeration.

Summary of the invention

The purpose of this utility model is to provide a kind of easy to operate front fork lockable three-wheel vehicle.

The technical solution of the utility model is: the lockable three-wheel vehicle of a kind of front fork, comprise vehicle frame, be arranged at two trailing wheels of the both sides, rear portion of vehicle frame, the front fork that is rotatably connected by the front fork rotating shaft with the front portion of vehicle frame, be arranged at the front-wheel of the bottom of front fork, be arranged at the handrail on the top of front fork, be arranged at the vehicle seat at the middle part of vehicle frame, be arranged at the step on the front-wheel, a lockout mechanism that is used to lock the preceding pipe of front fork and vehicle frame front portion, described lockout mechanism comprises last locking piece fixing in the front fork rotating shaft, preceding pipe is gone up fixing following locking piece, an axletree loam cake that has vertical locking muscle, have the lock slots of the last locking piece that vertically penetrates on the described upward locking piece, have down the lock slots of locking piece on the described locking piece down; Described locking muscle has two control positioies, and first control position is a latched position, locks this moment in the lock slots that muscle is inserted in the lock slots of locking piece and time locking piece; Second control position is a unlocked position, locks muscle this moment and breaks away from the lock slots of locking piece down.

The utility model compared with prior art has following advantage:

By rotating the axletree loam cake, can be so that the locking muscle can be in first control position or second control position, all be in stable control position at the locking muscle of two control positioies, easy to operate.

Description of drawings

Accompanying drawing 1 is a perspective view of the present utility model;

Accompanying drawing 2 is the A place amplification view of accompanying drawing 1 (the locking muscle is in second control position);

Accompanying drawing 3 is for after the axletree loam cake rotates 90 degree, the B-B direction cutaway view of accompanying drawing 2 (the locking muscle is in first control position):

Accompanying drawing 4 is the three-dimensional structure diagram of last locking piece;

Accompanying drawing 5 is the three-dimensional structure diagram of following locking piece;

Accompanying drawing 6 is the three-dimensional structure diagram of axletree loam cake; Wherein:

1, step; 2, front-wheel; 3, front fork; 4, preceding pipe; 5, axletree loam cake; 6, front fork rotating shaft; 7, handrail; 8, vehicle seat; 9, vehicle frame; 10, trailing wheel; 11, bolt; 12, locking muscle; 13, go up locking piece; 14, following locking piece; 15, spacing retaining groove; 16, go up the lock slots of locking piece; 17, the lock slots of following locking piece;

The specific embodiment

Referring to accompanying drawing, the lockable three-wheel vehicle of a kind of front fork, comprise vehicle frame 9, be arranged at two trailing wheels 10 of the both sides, rear portion of vehicle frame 9, the front fork 3 that is rotatably connected by front fork rotating shaft 6 with the front portion of vehicle frame 9, be arranged at the front-wheel 2 of the bottom of front fork 3, be arranged at the handrail 7 on the top of front fork 3, be arranged at the vehicle seat 8 at the middle part of vehicle frame 9, be arranged at the step 1 on the front-wheel 2, a lockout mechanism that is used to lock the preceding pipe 4 of front fork 3 and vehicle frame front portion, described lockout mechanism comprise in the front fork rotating shaft 6 with the fixing last locking piece 13 of bolt 11, the following locking piece of fixing on the inwall of preceding pipe 4 14, one have vertical locking muscle 12 can be on the direction of the axial line of front fork rotating shaft 6, the axletree loam cake 5 of lower slider.

Have the lock slots 16 of the last locking piece that vertically penetrates on the described upward locking piece 13, have down the lock slots 17 of locking piece on the described locking piece 14 down; Described locking muscle 12 has two control positioies, and first control position is a latched position, locks the lock slots 16 that muscle 12 passes locking piece this moment, and the bottom of locking muscle 12 is inserted in down in the lock slots 17 of locking piece.Second control position is a unlocked position, when first control position enters second control position, draw on the axletree loam cake 5, make locking muscle 12 break away from the lock slots 17 of locking piece down, make axletree loam cake 5 rotate 90 degree again, after putting down axletree loam cake 5, insert in the spacing retaining groove 15 bottom of locking muscle 12, then goes up between locking piece 13 and the following locking piece 14 and can relatively rotate.

Described going up on the locking piece 13 also has the spacing retaining groove 15 that does not penetrate, and when locking muscle 12 was in second control position, described locking muscle 12 was inserted in the spacing retaining groove 15, holds up axletree loam cake 5 by this spacing retaining groove 15.Described axletree loam cake 5 is tubular and is enclosed within the front fork rotating shaft 6 that described locking muscle 12 has two, inwardly protrudes from the inwall of described axletree loam cake 5 respectively, and along extending axially.Described going up has two lock slots 16 of going up locking piece symmetrically on the locking piece 13.Described going up on the locking piece 13 has two spacing retaining grooves 15 symmetrically.

Claims

1, the lockable three-wheel vehicle of a kind of front fork, comprise vehicle frame [9], be arranged at two trailing wheels [10] of the both sides, rear portion of vehicle frame [9], the front fork [3] that is rotatably connected by front fork rotating shaft [6] with the front portion of vehicle frame [9], be arranged at the front-wheel [2] of the bottom of front fork [3], be arranged at the handrail [7] on the top of front fork [3], be arranged at the vehicle seat [8] at the middle part of vehicle frame [9], be arranged at the step [1] on the front-wheel [2], a lockout mechanism that is used to lock the preceding pipe [4] of front fork [3] and vehicle frame front portion, it is characterized in that: described lockout mechanism comprises the last locking piece [13] that front fork rotating shaft [6] is upward fixing, preceding pipe [4] is gone up fixing following locking piece [14], an axletree loam cake [5] that has vertical locking muscle [12], have the lock slots [16] of the last locking piece that vertically penetrates on the described upward locking piece [13], have down the lock slots [17] of locking piece on the described locking piece [14] down; Described locking muscle [12] has two control positioies, and first control position is a latched position, locks this moment in the lock slots [17] that muscle [12] is inserted in the lock slots [16] of locking piece and time locking piece; Second control position is a unlocked position, locks muscle [12] this moment and breaks away from the lock slots [17] of locking piece down.

2, the lockable three-wheel vehicle of front fork according to claim 1, it is characterized in that: described going up on the locking piece [13] also has the spacing retaining groove [15] that does not penetrate, when locking muscle [12] was in second control position, described locking muscle [12] was inserted in the spacing retaining groove [15].

3, the lockable three-wheel vehicle of front fork according to claim 1, it is characterized in that: described axletree loam cake [5] is tubular and is enclosed within the front fork rotating shaft [6], described locking muscle [12] has two, inwardly protrudes from the inwall of described axletree loam cake [5] respectively, and along extending axially.

4, the lockable three-wheel vehicle of front fork according to claim 1 is characterized in that: described going up has two lock slots [16] of going up locking piece symmetrically on the locking piece [13].

5, the lockable three-wheel vehicle of front fork according to claim 1 is characterized in that: described going up on the locking piece [13] has two spacing retaining grooves [15] symmetrically.