CN2885715Y

CN2885715Y - Improvement structure for folding trailer frame used for baby

Info

Publication number: CN2885715Y
Application number: CN 200620039744
Authority: CN
Inventors: 刘哲纲
Original assignee: Individual
Current assignee: LIU ZHEGANG
Priority date: 2006-02-24
Filing date: 2006-02-24
Publication date: 2007-04-04
Anticipated expiration: 2016-02-24

Abstract

The utility model discloses an improve structure of a foldaway tow truck for babies. When the tow truck is to be folded, the two upper brackets and the chassis can be gathered, wherein the first brackets of the upper brackets can be gathered toward the second brackets before chassis and the front and back struts of the chassis also can be contracted and adjusted to carry out comparatively saving material largely in order to be stored, packed and transported so that the cost is economized largely. Moreover, a fender rod can be installed selectively under the front of both sides of the chassis to avoid that the baby seating on the tow truck is hitted directly by the massive object such as stone when the tow truck goes ahead to enhance the security effect relatively.

Description

The Foldable baby towing carriage improves structure

Technical field

The utility model relates to a kind of Foldable baby towing carriage and improves structure, first, second support of its two upper bracket can fold earlier again and fold with underframe, and also adjustable the moving of the forward and backward pole of underframe reduces the distance and have relatively significantly and to save the space volume of timber after folding and be convenient to packing, transportation or collection and deposit.

Background technology

Present Foldable baby towing carriage, utility model ZL200420042404.9 case for example, though it can be separated cross tube or pivot and fold and then two upper brackets are folded to the underframe direction, and the trailer bar also can fold to underframe, yet still there is following shortcoming in it:

1. can not fold owing to two upper brackets itself, and the width distance of underframe can not be adjusted, therefore it is still very big and be unfavorable for packing, hauling operation to fold the volume of timber after folding, and because the volume after folding is big, the user carry or collect deposit all inconvenient.

2. when baby or child take advantage of seat above cloth that underframe is chosen a place to give a banquet (figure does not show), because seat cloth is non-rigid material, therefore when baby, child take advantage of, be state together with seat cloth, so this car of jogging can cause baby, child injured when running into than ratchel or other article in travelling to lower recess owing to baby, child's itself weight can make baby, child's hip or other positions of health.

3. because the volume of timber after folding and the packing is still very big, when being arranged in the showing stand top of sales field, tends to protrude in the edge of showing stand, and run into and the shopper that wounds because of carelessness easily.

Novel content

In view of this design people studies and improves through continuous, and creation finally designs a kind of Foldable baby towing carriage improvement structure.

Therefore, main purpose of the present utility model is to provide a kind of Foldable baby towing carriage to improve structure, when desire is folding when folding except two upper brackets can fold with underframe, first support of two upper brackets can fold and then fold to the underframe direction to second support earlier respectively, and the also collapsible adjustment of the forward and backward pole of underframe and reach relatively and can significantly save the volume of timber so that collection is stored, packing or hauling operation, and then also have can significantly cost-effective advantage.

Another purpose of the present utility model is to provide a kind of Foldable baby towing carriage to improve structure, a fender rod can be selected to install additional in the below of the both sides, the place ahead of its underframe, can avoid block object such as stone directly to bump against the vehicle frame top under steam and take advantage of the baby of seat, and can improve its safe effect relatively.

In order to achieve the above object, the technical solution of the utility model is as follows:

A kind of Foldable baby towing carriage improves structure, includes:

Underframe, the left and right side lever that has forward and backward pole and be connected in the and arranged on left and right sides of forward and backward pole, the below of this left and right side lever has pivot connecting seat can be for the wheel that is pivoted respectively, bottom, the front side of the side lever on its right side then is connected with a pivot connecting seat can be by the side pivot joint of pivot and trailer bar, and the front side of pivot connecting seat and rear side have knock hole in addition;

Two upper brackets slightly are the II body, and both sides then articulate with underframe respectively before and after the below of this two upper bracket, and wherein the top of this two upper bracket respectively is installed with a connecting piece, and each connecting piece then has draw-in groove;

Cross tube is located between the two upper brackets tops, and is connected with two upper brackets or separates;

The trailer bar, one side articulates by the pivot connecting seat of the right-hand rod of pivot and underframe, and can select to pivot forward and be deployed condition, and can pass the knock hole of front side of pivot connecting seat and firm location by radius stay, the front side of trailer bar then can be for being connected with the predetermined position of bicycle;

It is characterized in that:

Each is made up of this two upper bracket folding first support and second support, and wherein both sides, each first support below are by both sides, the top pivot joint of pivot and second support, and respectively second support also respectively sets firmly a spacer and outwards pivots to prevent first support;

This underframe, the and arranged on left and right sides of its front support rod and back stay respectively have knock hole can be respectively and the sleeve pipe socket of and arranged on left and right sides tool knock hole, and fixed by setting element respectively.

Described Foldable baby towing carriage improves structure, and wherein the setting element of the forward and backward pole of this underframe and sleeve pipe can be screw, nut and pad.

Described Foldable baby towing carriage improves structure, and wherein the setting element of the forward and backward pole of this underframe and sleeve pipe can be the elastic positioning pin of being located in the sleeve pipe.

Described Foldable baby towing carriage improves structure, and wherein the setting element of the forward and backward pole of this underframe and sleeve pipe can be the latch of being located in the sleeve pipe.

Described Foldable baby towing carriage improves structure, and wherein the and arranged on left and right sides in the place ahead of this underframe can set firmly a connecting piece respectively, and this connecting piece respectively has draw-in groove, and then can have the fender rod inlay card connection of elastic fastening hook for both sides.

Description of drawings

Fig. 1 is the partial component decomposing state block diagram of the utility model embodiment;

Fig. 2 is the block diagram of the utility model embodiment;

Fig. 3 is the part sectional schematic diagram of the utility model embodiment;

Fig. 4 for the utility model embodiment wherein setting element be the sectional schematic diagram of elastic positioning pin;

Fig. 5 for the utility model embodiment cross tube separate after wherein first support of the upper bracket schematic perspective view of angle slightly that pivots;

Fig. 6 is the schematic perspective view of first support after second support is folding of the utility model embodiment upper bracket wherein;

Fig. 7 and schematic perspective view to underframe fold after folding to second support for first support of the utility model embodiment upper bracket wherein;

Fig. 8 folds for the utility model embodiment is folding and finishes and underframe shortens after the length and puts the three-dimensional enlarged diagram of wheel;

Fig. 9 is the partial component exploded drawings of another embodiment of the utility model;

Figure 10 is the block diagram of another embodiment of the utility model;

Figure 11 is the three-dimensional enlargement decomposition of the partial component of another embodiment of the utility model.

The specific embodiment

As Fig. 1～shown in Figure 8, the utility model is that a kind of Foldable baby towing carriage improves structure, includes:

Underframe 1, the left and right side lever 11 that has forward and backward pole 10 and be connected in the and arranged on left and right sides of forward and backward pole 10, the below of this left and right side lever 11 can be for the wheel 6 that is pivoted respectively via pivot connecting seat 12, the bottom, front side of the side lever 11 on its right side then links has a pivot connecting seat 13 to articulate by the side 51 of pivot 14 with trailer bar 5, the front side of this pivot connecting seat 13 has knock hole (figure does not show) in addition, and its rear side also has knock hole 132;

Two

upper brackets

2,3, slightly be the П body, both sides 221,222,321,322 before and after the below of this two upper bracket 2,3 (in addition with reference to figure 8) then articulate with underframe 1 respectively, and wherein the top of this two

upper bracket

2,3 respectively is installed with a connecting

piece

7, and 7 of each connecting pieces have draw-in groove 71;

Cross tube 4 is located between two upper brackets, 2,3 tops, can set firmly elastic fastening hook 41 respectively by its both sides, can be connected with draw-in groove 71 inlay cards of

upper bracket

2,3 set connecting pieces 7 or separates by this elastic fastening hook 41;

Trailer bar 5, one side 51 is articulated by the pivot connecting seat 13 of pivot 14 with the right-hand rod 11 of underframe 1, and can select to pivot forward and be deployed condition, and can pass the knock hole of front side of pivot connecting seat 13 and firm location, and can be for being connected with the predetermined position (figure does not show) of bicycle by 52 of the front sides of trailer bar 5 by radius stay 19;

Composition by aforementioned components, fold the draw-in groove 71 that Shi Kexian breaks away from the elastic fastening hook 41 of cross tube 4 both sides the set connecting piece 7 of two

upper brackets

2,3 when desire is folding, and make cross tube 4 break away from this two

upper bracket

2,3, fold with two

upper brackets

2,3 being pivoted to underframe 1, and then the radius stay 19 of trailer bar 5 taken out and to underframe 1 fold can finish folding, and also can be with wheel 6 dismountings;

In addition, aforesaid cross tube 4 can change a side tool elastic fastening hook 41 into, and opposite side one upper bracket 3 then direct and wherein articulates, and cross tube 4 can be folded with upper bracket 3, needn't wholely dismantle, because this does not give unnecessary details in addition for the known techniques event;

It is characterized in that:

This two

upper bracket

2,3 respectively is made up of folding

first support

21,31 and 22,32 on second support, wherein both sides, first support, 21,31 below articulate by the both sides, top of pivot 210,310 and

second support

22,32, and

second support

22,32 also respectively sets firmly a spacer 223,323 and outwards pivots to prevent

first support

21,31;

This underframe 1, the and arranged on left and right sides of its front support rod 10 and back stay 10 respectively has knock hole 101,102 (with reference to figure 3) can be respectively and sleeve pipe 15 sockets of and arranged on left and right sides tool knock hole 151,152, and respectively by as screw 161, nut 162 and pad 163 or elastic positioning pin 161 ' (in addition with reference to figure 4), the latch setting elements such as (scheming not show) be located in the sleeve pipe 15 fixed;

By aforementioned feature, when carrying out aforementioned folding folding, this two

upper bracket

2,3

first support

21,31 inwardly can distinguish and

second support

22,32 is folding, and then fold to underframe 1 direction, and aforementioned fixation underframe 1 before, after screw 161 dismountings of back stay 10 and sleeve pipe 15 adjustable moving and before shortening, the left side that back stay 10 shortens underframe 1 with the relative distance of sleeve pipe 15, right width is not (if aforementioned setting element then must be dismantled when being elastic positioning pin 161 ', before the convex fastening part 1611 ' that only need push elastic positioning pin 161 ' breaks away from it, the knock hole 101 of back stay 10,102 be adjustable moving before, the relative distance of back stay 10 and sleeve pipe 15), so the space that can significantly save after folding be convenient to the volume of timber pack, transportation or collection are stored.

Moreover, please cooperate in addition with reference to figure 9, Figure 10, Figure 11 shows that another embodiment of the present utility model, its keystone configuration is identical with previous embodiment, its difference is that the place ahead down either side of underframe 1 can add fender rod 82, this fender rod 82 can add is located at a front support rod 10 or a left side, right-hand rod 11, below only be installed in a left side with regard to fender rod 82, right-hand rod 11 is illustrated, wherein left, right-hand rod 11 can set firmly a connecting piece 81 respectively, this connecting piece 81 respectively has draw-in groove 811, and then fender rod 82 inlay cards that can supply both sides have elastic fastening hook 821 connect, by this fender rod 82 can canter car avoid under steam the road surface protrusion for example article such as stone directly bump against the baby that seat is taken advantage of in the vehicle frame top, the child, and can improve its safety relatively.

In sum, the utility model can be concluded and be had following enhancement effect:

1. when desire is folding when folding except two

upper brackets

2,3 can fold with underframe 1,

first support

21,31 of two

upper brackets

2,3 can fold and then fold to underframe 1 direction to

second support

22,32 earlier respectively, and the also collapsible adjustment of the forward and backward pole 10 of underframe 1 and reach relatively and can significantly save the volume of timber so that collection is stored, packing or hauling operation, and then also have can significantly cost-effective advantage.

2. a fender rod 82 can be selected to install additional in the below of the both sides, the place ahead of underframe 1, can avoid block object such as stone directly to bump against the vehicle frame top under steam and take advantage of the baby of seat, and can improve its safe effect relatively.

3. fold and pack and when being placed in the showing stand of sales field when folding,, not only save the space and can not protrude in the edge of showing stand again, relatively also can improve safety because volume is little.

Claims

1. a Foldable baby towing carriage improves structure, includes:

Underframe, the left and right side lever that has forward and backward pole and be connected in the and arranged on left and right sides of forward and backward pole, the below of this left and right side lever has the pivot connecting seat wheel that is pivoted respectively, bottom, the front side of the side lever on its right side then is connected with the pivot connecting seat of side pivot joint by pivot and trailer bar, and the front side of pivot connecting seat and rear side have knock hole in addition;

Two upper brackets are the Π body, and both sides then articulate with underframe respectively before and after the below of this two upper bracket, and wherein the top of this two upper bracket respectively is installed with a connecting piece, and each connecting piece then has draw-in groove;

Cross tube, and two upper brackets are located between the two upper brackets top removably;

The trailer bar, one side articulates by the pivot connecting seat of the right-hand rod of pivot and underframe, and select to pivot forward and to be deployed condition, and pass the knock hole of front side of pivot connecting seat by radius stay and strong fix, and be connected with the predetermined position of bicycle by the front side of trailer bar;

It is characterized in that:

Each is made up of this two upper bracket folding first support and second support, and wherein each both sides, first support below articulates by the both sides, top of pivot and second support, and each second support also respectively sets firmly a spacer that prevents the outside pivot of first support;

This underframe, the and arranged on left and right sides of its front support rod and back stay respectively have knock hole respectively with the sleeve pipe socket of and arranged on left and right sides tool knock hole, and fixed by setting element respectively.

2. Foldable baby towing carriage as claimed in claim 1 improves structure, it is characterized in that the forward and backward pole of this underframe and the setting element of sleeve pipe are screw, nut and pad.

3. Foldable baby towing carriage as claimed in claim 1 improves structure, it is characterized in that, the forward and backward pole of this underframe and the setting element of sleeve pipe are the elastic positioning pin of being located in the sleeve pipe.

4. Foldable baby towing carriage as claimed in claim 1 improves structure, it is characterized in that, the forward and backward pole of this underframe and the setting element of sleeve pipe are the latch of being located in the sleeve pipe.

5. Foldable baby towing carriage as claimed in claim 1 improves structure, it is characterized in that the and arranged on left and right sides in the place ahead of this underframe sets firmly a connecting piece respectively, and this connecting piece respectively has the fender rod inlay card bonded assembly draw-in groove that has elastic fastening hook for both sides.