CN202243598U

CN202243598U - Folding mechanism of baby trolley

Info

Publication number: CN202243598U
Application number: CN2011203219718U
Authority: CN
Inventors: 董许明
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-08-29
Filing date: 2011-08-29
Publication date: 2012-05-30
Anticipated expiration: 2021-08-29

Abstract

The utility model relates to a folding mechanism of a baby trolley. A chassis folding mechanism comprises folding boxes and elastic pin slots, wherein the folding boxes are arranged on a seat frame; the elastic pin slots are respectively arranged on rear feet; each folding box comprises a folding box cover, a pull ring, an elastic pin, an elastic pin slider, a folding box seat, a pull ring connecting piece and a steel wire; the pull ring, the elastic pin, the elastic pin slider, the pull ring connecting piece and the steel wire are arranged in the folding box; the pull ring is connected with one end of the pull ring connecting piece; the middle part of the pull ring connecting piece is pivotally connected with the folding box; the other end of the pull ring connecting piece is connected with one end of the steel wire; the other end of the steel wire is connected with the elastic pin slider; the elastic pin slider and the elastic pin form sliding pair connection; and the elastic pin is matched with the elastic pin slot, and is inserted into the elastic pin slot or is pulled out of the elastic pin slot. The folding mechanism of the baby trolley has a simple structure, high firmness and convenience in operation.

Description

The retracting mechanism of children trolley

[technical field]

The utility model relates to collapsible or folding baby buggy, relates in particular to the retracting mechanism of children trolley.

[background technology]

Children trolley comprises handgrip, joint, mounting, the rear foot, wheel, seat and sunshade.Framework behind removal seat and the sunshade is called vehicle frame, has retracting mechanism that vehicle frame is launched in use on the vehicle frame, folds when depositing.The retracting mechanism of traditional children go-cart is handle pipe is connected and fixed on handle pipe upper end through rivet joint.Push the control setup that returns the vehicle to the garage and knock off, through trailing cable pulling locking bolt, itself and joint are thrown off, the upset handle pipe can be accomplished the folding of children trolley; Unclamp the button that returns the vehicle to the garage and knock off, under the effect of retracing spring, locking bolt resets.The retracting mechanism of this children trolley of prior art, complex structure, firmness is low, operation is inconvenient.

[summary of the invention]

To the shortcoming of prior art, the purpose of the utility model is to provide a kind of retracting mechanism of simple in structure, children trolley that firmness is high, easy to operate.

The utility model solves the technical scheme that its technical matters adopted: a kind of retracting mechanism of children trolley, comprise underframe retracting mechanism and handgrip retracting mechanism, and it is characterized in that; Said underframe retracting mechanism comprises and is loaded on folding box and being loaded on the bullet pin slot on the rear foot on the mounting, and the said box that folds comprises and folds lid, draw ring, bullet pin, bullet pin slide block, folds cassette holder, draw ring attaching parts and steel wire; Draw ring, bullet pin, bullet pin slide block, draw ring attaching parts and steel wire are loaded on and fold in the box; Draw ring is connected with draw ring attaching parts one end, and draw ring attaching parts middle part is scratched and connect with folding cassette holder, and the draw ring attaching parts other end is connected with steel wire one end, and the steel wire other end is connected with bullet pin slide block, and bullet pin slide block is connected with bullet pin composition moving sets; Bullet pin and bullet pin slot match, and insert in the bullet pin slot or pull out outside the bullet pin slot.

When vehicle frame launches, the bullet pin be inserted in rear foot bonded assembly bullet pin slot in, the rear foot and base are fixed.

Be pulled upwardly draw ring, drive the draw ring attaching parts by draw ring, the draw ring attaching parts drives steel wire, and steel wire is left behind bullet pin slide block, and bullet pin slide block leans on its inclined-plane that the bullet pin is ejected, and the bullet pin withdraws from bullet pin slot, i.e. release can fold.

That this underframe retracting mechanism has is simple in structure, firmness is high, convenience operation.

Further, can adopt the handgrip retracting mechanism of following form: said handgrip retracting mechanism comprises the distribution that is loaded on the handgrip lower end, is loaded on IA bayonet lock, right ratchet and left ratchet successively, promotes with left ratchet to match.

When children trolley was in deployed condition, bayonet lock was stuck about with the joint, and it can not be moved.

Press down handgrip, handgrip promotes to promote, and promotes to promote the ratchet rotation, and being given up the throne in the bayonet lock top in the ratchet rotation, can release fold.The bayonet lock release of giving up the throne folds by handgrip down.The handgrip group is the mid point rotation around the joint, packs up vehicle frame.

This handgrip retracting mechanism cooperates above-mentioned underframe retracting mechanism, make the utility model have more simple in structure, firmness is high, convenience operation.

In addition, in order to assist a car, can adopt following assistance to open the car device: said assistance is opened the car device and is comprised the hook that returns the vehicle to the garage and knock off, sliding sleeve, spring perch, slide block, spring and hook; Return the vehicle to the garage and knock off hook, sliding sleeve, spring perch, slide block and spring is loaded on the mounting, and sliding sleeve is placed on the mounting movably, and spring perch is fixed on the mounting; Slide block is loaded on movably in the spring perch and links with an end of spring; The other end of spring is fixed in the spring perch, and return the vehicle to the garage and knock off hook and hook match, and can hook hook.

The hook that will return the vehicle to the garage and knock off pulls outward, and throws off hook.Just can vehicle frame be opened.When returning the vehicle to the garage and knock off, sliding sleeve slides up to withstanding slide block with length of spring compressed forward.When moving when returning the vehicle to the garage and knock off hook, slide block will be pushed sliding sleeve open, can assist a car.

The beneficial effect of the utility model is: simple in structure, firmness is high, easy to operate.

[description of drawings]

Below in conjunction with accompanying drawing the utility model is done further to describe.

Fig. 1 is a children trolley deployed condition scheme drawing;

Fig. 2 is a children trolley deployed condition lateral plan;

Fig. 3 is a children trolley collapse state scheme drawing;

Fig. 4 is a children trolley collapse state lateral plan;

Fig. 5 is a children trolley deployed condition vehicle frame scheme drawing;

Fig. 6 is the partial component scheme drawing that folds the box split of the utility model;

Fig. 7 is a children trolley deployed condition vehicle frame back view;

Fig. 8 be the utility model fold the scheme drawing of box when the children trolley deployed condition;

Fig. 9 is the B portion partial enlarged drawing of Fig. 7;

Figure 10 is the vehicle frame scheme drawing after base folds;

Figure 11 be the utility model fold the scheme drawing of box when the children trolley collapse state;

Figure 12 is the side diagrammatic sketch of Figure 11;

Figure 13 is a children trolley deployed condition vehicle frame lateral plan;

Figure 14 is the inner split figure in joint;

Figure 15 is the A-A cutaway view Amplified image of Figure 13;

Figure 16 is a children trolley deployed condition vehicle frame block diagram;

Figure 17 is the C portion partial enlarged drawing of Figure 16;

Figure 18 is a children trolley collapse state vehicle frame lateral plan;

Figure 19 is that the children trolley vehicle frame folds the process block diagram;

Figure 20 is Figure 19 D portion partial enlarged drawing;

Figure 21 is that the children trolley vehicle frame folds the back block diagram;

Figure 22 is Figure 21 E portion partial enlarged drawing;

Figure 23 is a children trolley deployed condition vehicle frame block diagram;

Figure 24 is Figure 23 F portion partial enlarged drawing;

Figure 25 is a children trolley collapse state vehicle frame face upwarding stereogram;

Figure 26 is Figure 25 G portion partial enlarged drawing;

Among the figure: 1 is that handgrip, 2 is that joint, 3 is that mounting, 5 is that the rear foot, 6 is that wheel, 7 is that seat, 8 is a sunshade for folding box, 4.

11 is that handgrip button, 12 is for promoting;

21 is that the right side, joint, 22 is that bayonet lock, 23 is but that gear, 24 is that left gear, 25 is that the joint is left;

31 for bullet pin slide block, 35 for fold cassette holder, 36 for spring, 37 for draw ring attaching parts, 38 for steel wire, 39 are steel wire for bullet pin, 34 for folding lid, 32 for draw ring, 33.

41 for the hook that returns the vehicle to the garage and knock off, 43 for sliding sleeve, 44 for spring perch, 45 for slide block, 46 for spring;

51 be bullet pin slot, 52 for the hook.

[specific embodiment]

Referring to accompanying drawing, the retracting mechanism of a kind of children trolley of the utility model comprises underframe retracting mechanism and handgrip retracting mechanism, it is characterized in that; Said underframe retracting mechanism comprises and is loaded on folding box 3 and being loaded on the bullet pin slot 51 on the rear foot 5 on the mounting 4, and the said box 3 that folds comprises and folds lid 31, draw ring 32, bullet pin 33, bullet pin slide block 34, folds cassette holder 35, draw ring attaching parts 37 and steel wire 38; Draw ring 32, bullet pin 33, bullet pin slide block 34, draw ring attaching parts 37 and steel wire 38 are loaded on and fold in the box 3; Draw ring 32 is connected with draw ring attaching parts 37 1 ends; Draw ring attaching parts 37 middle parts with fold cassette holder 35 and scratch and connect; Draw ring attaching parts 37 other ends are connected with steel wire 38 1 ends, and steel wire 38 other ends are connected with bullet pin slide block 34, and bullet pin slide block 34 is formed moving sets with bullet pin 33 and is connected; Bullet pin 33 matches with bullet pin slot 51, inserts in the bullet pin slot 51 or pulls out outside the bullet pin slot 51.

When vehicle frame launched, bullet pin 33 was inserted in and 51 li of the rear foot 5 bonded assembly bullet pin slots, made the rear foot 5 fixing with base 4.

Be pulled upwardly draw ring 32; Drive draw ring attaching parts 37 by draw ring 32; Draw ring attaching parts 37 drives steel wire 38, and steel wire 38 is left behind bullet pin slide block 34, and bullet pin slide block 34 leans on its inclined-plane that bullet pin 33 is ejected; Bullet pin 33 withdraws from bullet pin slot 51, and draw ring attaching parts 37 makes the bullet pin of another side withdraw from bullet pin slot through the bullet pin slide block that another steel wire 39 drives another side again.Thereby

vehicle frame

4 and 5 is slided, and vehicle frame folds.

Further, the embodiment of the utility model adopts following handgrip retracting mechanism: said handgrip retracting mechanism comprises the distribution 12 that is loaded on handgrip 1 lower end, is loaded on bayonet lock 22, right ratchet 23 and left ratchet 24 in the joint 2 successively, and distribution 12 matches with left ratchet 24.

When children trolley was in deployed condition, bayonet lock 22 was stuck a joint right 21 and a left side, joint 25, and joint 2 can not be rotated.

Press down handgrip 1, handgrip 1 promotes to promote 12, promotes 12 and promotes the secondary rotation of ratchet, and being given up the throne in bayonet lock 22 tops in the secondary rotation of ratchet, can release fold.Bayonet lock 22 release of giving up the throne folds by handgrip 1 down.1 group of handgrip around the joint rotation of 2 mid points pack up vehicle frame.

The handgrip retracting mechanism of this embodiment cooperates above-mentioned underframe retracting mechanism, make the utility model have more simple in structure, firmness is high, convenience operation.

In the embodiment of the utility model; Assist below adopting to open the car device: said assistance is opened the car device and is comprised the hook 41 that returns the vehicle to the garage and knock off, sliding sleeve 43, spring perch 44, slide block 45, spring 46 and link up with 52, and the hook 41 that returns the vehicle to the garage and knock off, sliding sleeve 43, spring perch 44, slide block 45 and spring 46 are loaded on the mounting 4, and sliding sleeve 43 is placed on the mounting 4 movably; Spring perch 44 is fixed on the mounting 4; Slide block 45 is loaded on movably in the spring perch 44 and links with an end of spring 46, and the other end of spring 46 is fixed in the spring perch 44, and hook 52 is fixed on the rear foot 5; The hook 41 that returns the vehicle to the garage and knock off matches with hook 52, can hook hook 52.

The hook 41 that will return the vehicle to the garage and knock off pulls outward, and throws off hook 52.Just can vehicle frame be opened.When returning the vehicle to the garage and knock off, sliding sleeve 43 slides up to withstanding slide block 45 with spring 46 compressions forward.When moving when returning the vehicle to the garage and knock off hook 41, slide block 45 will be pushed sliding sleeve 43 open, can assist a car.

Claims

1. the retracting mechanism of a children trolley comprises underframe retracting mechanism and handgrip retracting mechanism, it is characterized in that; Said underframe retracting mechanism comprises and is loaded on folding box (3) and being loaded on the bullet pin slot (51) on the rear foot (5) on the mounting (4), and the said box (3) that folds comprises and folds lid (31), draw ring (32), bullet pin (33), bullet pin slide block (34), folds cassette holder (35), draw ring attaching parts (37) and steel wire (38); Draw ring (32), bullet pin (33), bullet pin slide block (34), draw ring attaching parts (37) and steel wire (38) are loaded on and fold in the box (3); Draw ring (32) is connected with draw ring attaching parts (37) one ends; Draw ring attaching parts (37) middle part with fold cassette holder (35) and scratch and connect; Draw ring attaching parts (37) other end is connected with steel wire (38) one ends; Steel wire (38) other end is connected with bullet pin slide block (34), and bullet pin slide block (34) is formed moving sets with bullet pin (33) and is connected; Bullet pin (33) and bullet pin slot (51) match, and insert in the bullet pin slot (51) or pull out outside the bullet pin slot (51).

2. the retracting mechanism of children trolley according to claim 1; It is characterized in that: said handgrip retracting mechanism comprises the distribution (12) that is loaded on handgrip (1) lower end; Be loaded on bayonet lock (22), right ratchet (23) and left ratchet (24) in the joint (2) successively, promote (12) and match with left ratchet (24).

3. the retracting mechanism of children trolley according to claim 1 and 2; It is characterized in that: have a cover to assist to open the car device; Said assistance is opened the car device and is comprised the hook that returns the vehicle to the garage and knock off (41), sliding sleeve (43), spring perch (44), slide block (45), spring (46) and hook (52), and the hook that returns the vehicle to the garage and knock off (41), sliding sleeve (43), spring perch (44), slide block (45) and spring (46) are loaded on the mounting (4), and sliding sleeve (43) is placed on the mounting (4) movably; Spring perch (44) is fixed on the mounting (4); Slide block (45) is loaded on movably in the spring perch (44) and links with an end of spring (46), and the other end of spring (46) is fixed in the spring perch (44), and hook (52) is fixed on the rear foot (5); The hook (41) that returns the vehicle to the garage and knock off matches with hook (52), can hook hook (52).