CN201721492U

CN201721492U - Shock absorption mechanism for buffering forwards and backwards collision for baby carriage

Info

Publication number: CN201721492U
Application number: CN2010201606482U
Authority: CN
Inventors: 徐钦英
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-04-16
Filing date: 2010-04-16
Publication date: 2011-01-26
Anticipated expiration: 2020-04-16

Abstract

The utility model relates to the technical field of baby carriages, in particular to a shock absorption mechanism for buffering forwards and backwards collision for a baby carriage, which comprises a front carriage frame and a back carriage frame, wherein the front carriage frame is connected with front wheels, the back carriage frame is connected with back wheels, the front carriage frame and the back carriage frame are connected for forming a complete carriage body, and a connecting part of the front carriage frame and the back carriage frame is provided with a shock absorption spring. Because the shock absorption spring is arranged at the connecting part of the front carriage frame and the back carriage frame, so when the baby carriage has unexpected collision in the forwards or backwards direction, the shock absorption spring deforms to absorb the collision energy, so the buffer effect is generated for providing effective protection on babies in the baby carriage. Thereby, the utility model has simple structure and good protection performance.

Description

A kind of perambulator is with slowing down the damping that clash into front and back

Technical field

The utility model relates to the perambulator technical field, is specifically related to the damping of a kind of perambulator with bump before and after slowing down.

Background technology

Because the various aspects of children's torso are not all reached maturity, therefore its shock resistance is extremely limited, even some less vibrations all might cause no small injury to children, therefore existing perambulator all is provided with shock absorption device up and down at preceding wheels down to wheels place, back mostly on the market, and this shock absorption device up and down can provide the actv. buffer action by in the vertical direction when the road surface is uneven.Yet when perambulator bumped on fore-and-aft direction, shock absorption device can not be had an effect up and down, did not also have other actv. means to provide buffering so that children are protected to the collision on the fore-and-aft direction, and therefore existing perambulator need be improved.

Summary of the invention

The purpose of this utility model provides the damping of a kind of perambulator with bump before and after slowing down, and it can provide the shock-absorbing function on the fore-and-aft direction, to extenuate because of the issuable damage to baby child of accident collision, to eliminate safe hidden trouble.

For achieving the above object, the utility model has adopted following technical scheme: a kind of perambulator is with slowing down the damping that clash into front and back, this damping comprises front vehicle frame that links to each other with front vehicle wheel and the back vehicle frame that links to each other with rear wheel, front vehicle frame is connected to form a complete vehicle body with the back vehicle frame, and front vehicle frame is provided with damping spring with the part that is connected of back vehicle frame.

Because the front vehicle frame of perambulator is provided with damping spring with the part that is connected of back vehicle frame; therefore when perambulator meets accident collision on fore-and-aft direction; damping spring produces deformation to absorb collision energy, produces buffer action thus and provides the actv. protection to the baby in the perambulator.From the above, the utility model is simple in structure and protective value good.

Description of drawings

Fig. 1 is the structural representation before the utility model damping;

Fig. 2 is the front elevation of Fig. 1;

Fig. 3 is the structural representation after the utility model damping;

Fig. 4 is the front elevation of Fig. 3.

The specific embodiment

Shown in Fig. 1～4, a kind of perambulator is with slowing down the damping that clash into front and back, this damping comprises front vehicle frame 10 that links to each other with front vehicle wheel and the back vehicle frame 20 that links to each other with rear wheel, front vehicle frame 10 is connected to form a complete vehicle body with back vehicle frame 20, and front vehicle frame 10 is provided with damping spring 30 with the part that is connected of back vehicle frame 20.

For the purpose of clear and definite, stipulate the concrete implication of front and rear direction herein at this: described the place ahead is the headstock direction of perambulator, and the rear is the tailstock direction of perambulator.

Front vehicle frame 10 has multiple implementation, its basic purpose is to form a framework, as preferred version of the present utility model, shown in Fig. 1,3, described front vehicle frame 10 comprises two parallel and isometric front axles 11, front axle 11 links to each other with front vehicle wheel, and the axial length direction setting along vehicle body of front axle 11, is provided with connection front rod 12 each other between the front axle 11.

Same, shown in Fig. 1,3, described back vehicle frame 20 comprises two parallel and isometric rear axles 21, rear axle 21 links to each other with rear wheel, and the axial length direction setting of rear axle 21 along vehicle body, be provided with connection rear linking rod 22 each other between the rear axle 21, described rear axle 21 link to each other with front axle 11 and the two between be provided with damping spring 30.

The set-up mode of damping spring 30 also has multiple implementation; such as adopting sleeve pipe that the rear end of front axle 11 and the front end of rear axle 21 are coupled together; and damping spring 30 is arranged in the sleeve pipe gets final product; then when the fore-and-aft direction of perambulator bumps; the front end of the rear end of front axle 11 and rear axle 21 all produces squeezing action to damping spring 30, provides buffer action to realize the protection to baby in the perambulator with this.

As preferred version of the present utility model, shown in Fig. 1～4, described front axle 11 and rear axle 21 all are set to the round bar of hollow, and the back segment of front axle 11 is set on the leading portion of rear axle 21, be installed with damping spring 30 in the shaft of front axle 11, and the front end of rear axle 21 and damping spring 30 are abutted together.

Certainly front axle 11 also can be considered to adopt square bar or polygon bar with rear axle 21, and the stress performance of round bar is good, and the structural strength height is easy to make and produces, and makes preferential selection of the present utility model.

Further, the axis of the front rod 12 between the described front axle 11 and the axis normal of front axle 11, the end of front rod 12 is inserted in the front axle 11 and with front axle 11 and is fixed together, and fixed form can adopt welding, shown in Fig. 1,3; End in the insertion front axle 11 of the front end of described damping spring 30 and front rod 12 is abutted together, and the front end of the rear end of damping spring 30 and rear axle 21 is abutted together.

Shown in Fig. 2,4, described front axle 11 is provided with the inhibiting device that guiding rear axle 21 slides with the junction of rear axle 21 in front axle 11, described inhibiting device comprises and radially is fixedly installed on locating dowel pin 13 on the front axle 11 along front axle 11, the limit sliding chutes that axially is provided with strip 23 of the leading portion shaft upper edge rear axle 21 of rear axle 21, locating dowel pin 13 passes limit sliding chutes 23 front axle 11 and rear axle 21 is linked together, and is bearing fit between locating dowel pin 13 and the limit sliding chutes 23.

The setting of inhibiting device, front axle 11 and rear axle 21 interconnected steadinesss have been improved on the one hand, guaranteed the sliding stroke of certain-length on the other hand, also can adjust the length of sliding stroke simultaneously according to actual state, so that stable the playing a role of whole damping.

Further, shown in Fig. 2,4, described limit sliding chutes 23 matches along the axial length L of rear axle 21 and the compression stroke of damping spring 30, and the width of the external diameter of locating dowel pin 13 and limit sliding chutes 23 matches.

The width of the external diameter of locating dowel pin 13 and limit sliding chutes 23 matches, and can guarantee that locating dowel pin 13 and limit sliding chutes 23 realize good bearing fit; Limit sliding chutes 23 matches along the axial length of rear axle 21 and the compression stroke of damping spring 30, can make damping spring 30 its maximum deformation of performance so that maximum protective effect to be provided.

Be described further below in conjunction with Fig. 1～4 pair structure of the present utility model:

At first two damping springs 30 are respectively charged in two front axles 11 of front vehicle frame 10, two rear axles 21 of general back vehicle frame 20 are aimed at front axle 11 corresponding with it respectively and are packed into wherein then, with rivet or locating dowel pin 13 front axle 11 and rear axle 21 are linked together then, normal mounting structure as shown in Figure 1, 2; When perambulator the place ahead is subjected to the external force collision, front vehicle frame 10 is moved and compression shock absorption spring 30 backward, damping spring 30 promotes rivet or locating dowel pin 13 slides along limit sliding chutes 23, the damping stroke is the compression stroke of damping spring 30 or limit sliding chutes 23 axial length L along rear axle 21, the position that also can adjust locating dowel pin 13 is to obtain the damping stroke of realistic situation, produce cushioning effect thus, extenuate the bump strength that is caused because of collision, and protective effect to the baby is provided, this moment vehicle body structure shown in Fig. 3,4; After external force disappeared, the distortion of damping spring 30 disappeared and restores to the original state, and drove the original position of front vehicle frame 10 answers, and perambulator can continue normal use.

The utility model is simple in structure, convenient disassembly, and cost is low and safe and reliable.

Claims

1. a perambulator is with slowing down the damping that clash into front and back, it is characterized in that: this damping comprises front vehicle frame (10) that links to each other with front vehicle wheel and the back vehicle frame (20) that links to each other with rear wheel, front vehicle frame (10) is connected to form a complete vehicle body with back vehicle frame (20), and front vehicle frame (10) is provided with damping spring (30) with the part that is connected of back vehicle frame (20).

2. perambulator according to claim 1 is with slowing down the damping that clash into front and back, it is characterized in that: described front vehicle frame (10) comprises two parallel and isometric front axles (11), front axle (11) links to each other with front vehicle wheel, and the axial length direction setting along vehicle body of front axle (11) is provided with connection front rod (12) each other between the front axle (11).

3. perambulator according to claim 2 is with slowing down the damping that clash into front and back, it is characterized in that: described back vehicle frame (20) comprises two parallel and isometric rear axles (21), rear axle (21) links to each other with rear wheel, and the axial length direction setting of rear axle (21) along vehicle body, be provided with connection rear linking rod (22) each other between the rear axle (21), described rear axle (21) link to each other with front axle (11) and the two between be provided with damping spring (30).

4. perambulator according to claim 3 is with slowing down the damping that clash into front and back, it is characterized in that: described front axle (11) and rear axle (21) all are set to the round bar of hollow, the back segment of front axle (11) is set on the leading portion of rear axle (21), be installed with damping spring (30) in the shaft of front axle (11), and the front end of rear axle (21) and damping spring (30) are abutted together.

5. perambulator according to claim 4 is with slowing down the damping that clash into front and back, it is characterized in that: the axis of the front rod (12) between the described front axle (11) and the axis normal of front axle (11), the end of front rod (12) is inserted in the front axle (11) and with front axle (11) and is fixed together, end in the insertion front axle (11) of the front end of described damping spring (30) and front rod (12) is abutted together, and the front end of the rear end of damping spring (30) and rear axle (21) is abutted together.

6. perambulator according to claim 4 is with slowing down the damping that clash into front and back, it is characterized in that: described front axle (11) is provided with the inhibiting device that guiding rear axle (21) slides with the junction of rear axle (21) in front axle (11), described inhibiting device comprises and radially is fixedly installed on locating dowel pin (13) on the front axle (11) along front axle (11), the leading portion shaft upper edge rear axle (21) of rear axle (21) axially be provided with limit sliding chutes (23), locating dowel pin (13) passes limit sliding chutes (23) front axle (11) and rear axle (21) is linked together, and is bearing fit between locating dowel pin (13) and the limit sliding chutes (23).

7. perambulator according to claim 4 is with slowing down the damping that clash into front and back, it is characterized in that: described limit sliding chutes (23) matches along the axial length of rear axle (21) and the compression stroke of damping spring (30), and the width of the external diameter of locating dowel pin (13) and limit sliding chutes (23) matches.