CN203681625U

CN203681625U - Baby carriage

Info

Publication number: CN203681625U
Application number: CN201420011724.1U
Authority: CN
Inventors: 谷崎雅志; 寺内健
Original assignee: Combi Shanghai Co Ltd
Current assignee: Combi Shanghai Co Ltd
Priority date: 2014-01-09
Filing date: 2014-01-09
Publication date: 2014-07-02
Anticipated expiration: 2024-01-09

Abstract

The utility model discloses a baby carriage which comprises a frame body and a push handle connected with the frame body. The frame body comprises two front feet which are arranged in parallel and two rear feet which are arranged in parallel, wherein the ends of the two front feet are provided with front wheels, and the ends of the two rear feet are provided with rear wheels. The push handle can swing, and the push handle swings to the position at the same side where the rear feet are located or the position at the same side where the front feet are located. Connecting components are arranged between the two rear feet and between the two front feet respectively, and each connecting component is provided with a pedal component facing the exterior of the frame body. With the baby carriage, a person can easily stride a broken slope when walking.

Description

Perambulator

Technical field

The utility model relates to perambulator field, particularly, can stride across easily the perambulator on walking rugged disconnected slope, ground.

Background technology

On some perambulator by the mode of swingable handle is set, operator not only can be positioned at promotion position, the back side but also can be positioned at promotion position, opposite, promotion position, the back side refers to operator and is positioned at infant's rear, and infant faces the front of direct of travel, promotion position, opposite refers to operator and is positioned at baby's opposite, and infant's back of the body is towards the front of direct of travel.

In the time that perambulator walking is having on the road surface of (referring to hollow and the step etc. on ground), rugged disconnected slope, in order to stride across disconnected slope, need to make to be positioned on the wheel of front (direct of travel) and lift.

As shown in Figure 9, when existing perambulator strides across disconnected slope, normally by operator, handle 503 is pressed downwards, thereby produced moment on perambulator 501, make to be positioned on the wheel 517 in front and lift.While lifting on wheel 517, the center of turn 515a that is positioned at the wheel 515 at rear (with respect to direct of travel) around it rotates.

But as shown in Figure 9, part and the distance B 51 of center of turn 515a on fore-and-aft direction of controlling handle 503 are conventionally less.Relatively, 52 of infant's center of gravity G and the center of turn 515a distance B on fore-and-aft direction are conventionally larger.Therefore, even handle 503 is pressed, taking 515a as center of turn, can not produce the moment that perambulator 1 entirety is rearward rotated by actv. downwards, the wheel 517 that can not make to be positioned at front is lifted on easily.Particularly be positioned in the situation of the promotion position, opposite shown in Fig. 9 when handle 503, the distance B 51 on fore-and-aft direction is less with center of turn 515a to control the part of handle 503.As can be drawn from Figure 9, the gravitational moment that infant produces is G × D52, stride across the hole on step or road surface etc. as need, acting on moment F × D51 that the downward pressure F of handle 503 forms need be greater than above-mentioned gravitational moment and can overcome gravitational moment and make its rotation, due to the arm of force, D51 is less, therefore, need larger pressure F just can overcome above-mentioned gravitational moment.In addition, distance B 52 may be longer, therefore, more cannot make to be easily positioned in direct of travel on the wheel 517 in front and lift, stride across step.

Utility model content

For solving the problems of the technologies described above, the utility model provides a kind of perambulator, can stride across easily rugged disconnected slope, ground.

For solving the problems of the technologies described above, perambulator of the present utility model, the handle that comprises vehicle frame body and be connected with described vehicle frame body, described vehicle frame body comprises and being arranged in parallel and end is provided with two forward foot in a step of front-wheel and is arranged in parallel and end is provided with two rear feet of trailing wheel, described handle is swingable, described handle be rocked to the described rear foot position in the same side or with the position of the described forward foot in a step in the same side; Wherein, between described two rear feet and between two forward foot in a step, be provided with transom, on each described transom, be provided with towards this external foot-operated member of described vehicle frame.

Preferably, above the described transom between described two forward foot in a step, be provided with infant's foot supporting plate.

Preferably, described foot-operated member comprises and is fixed on the support sector of described transom and is connected to form the pedal position of foot-operated face with described support sector.

Preferably, on described foot-operated face, be provided with multiple for anti-skidding raised line.

Preferably, the angle of described pedal position and described support sector is obtuse angle.

Preferably, described support sector is threaded connection or rivets and is fixed on described transom.

Preferably, described foot-operated member is solid rubber material or alkide resin material.

In addition, as the optional mode of one, perambulator of the present utility model, the handle that comprises vehicle frame body and be connected with described vehicle frame body, described vehicle frame body comprises and being arranged in parallel and end is provided with two forward foot in a step of front-wheel and is arranged in parallel and end is provided with two rear feet of trailing wheel, wherein, and be provided with transom between described two rear feet of described handle in the same side or the forward foot in a step, on described transom, be provided with towards this external foot-operated member of described vehicle frame.

Perambulator of the present utility model, on transom, be provided with foot-operated member, in the time that perambulator walks in rugged disconnected slope, ground, operator pulls back handle and forwards tramples foot-operated face with pin, handle pulling force and pin pedal force forwards backward forms a couple, therefore, perambulator can stride across disconnected slope easily.In addition, foot easily exerts oneself, and can save the strength of arm.

Brief description of the drawings

Fig. 1 is the block diagram of the perambulator in the first embodiment of the present utility model;

Fig. 2 is the lateral plan of the perambulator of Fig. 1;

Fig. 3 is that the foot-operated member in front of the perambulator of Fig. 1 amplifies the block diagram representing;

Fig. 4 is that the foot-operated member in front of the perambulator of Fig. 1 amplifies the lateral plan representing;

Fig. 5 is that handle is positioned at opposite promotion location status, for the mode of action of perambulator shown in instruction diagram 1;

Fig. 6 is that the foot-operated member in the rear of the perambulator in the second embodiment of the present utility model amplifies the block diagram representing;

Fig. 7 is the lateral plan of the foot-operated member in rear of the perambulator shown in Fig. 6;

Fig. 8 is that handle is positioned at the back side and promotes location status, for the mode of action of perambulator of the second embodiment is described;

Fig. 9 is the perambulator of prior art, illustrates on the wheel in order to make to be positioned in direct of travel front and lifts the do schematic diagram moving.

Detailed description of the invention

Below, with reference to accompanying drawing, the first embodiment of the present utility model is described.Fig. 1～Fig. 5 is the schematic diagram that an embodiment of the perambulator being made up of the utility model is described.Wherein, Fig. 1 and Fig. 2 represent that the entirety of perambulator 1 forms.In Fig. 1 and Fig. 2, represented perambulator has vehicle frame body 2 and handle 3.Wherein, vehicle frame body 2 comprises respectively in a pair of forward foot in a step 11 of left and right configuration with respectively at a pair of rear foot 12 of left and right configuration and respectively in the pair of armrests 13 of left and right configuration.

The lower end of the forward foot in a step 11 is provided with castor mechanism 14.As shown in Figure 1, the castor mechanism 14 of installing in the forward foot in a step 11, rotating installation front-wheel 15 centered by pivot center 15a.And, castor mechanism 14 by with the perpendicular castor mechanism axis 14a of the bearing of trend of pivot center 15a centered by, make front-wheel 15 keep rotating.On the other hand, the lower end of the rear foot 12 is provided with wheel holder 16.Wheel holder 16 maintains the fixing direction of trailing wheel 17 and keeps this trailing wheel 17 rotatable.

In addition, the upper part of the forward foot in a step 11, the front part of the handrail 13 configuring with respective side (left side or right side) is rotatably connected (shake).Equally, the upper end of the rear foot 12 is rotatably connected with the front part of the handrail 13 of respective side (left side or right side) configuration (shake).

Handle 3 is by swingable being arranged on this vehicle frame body 2 of shaft component 4.As shown in Figure 1, handle 3 shape that approximately takes the shape of the letter U on the whole.In the present embodiment, handle 3 comprises that a pair of handle that is roughly the linearity extending in parallel prolongs the 3a of portion and prolong and handle connecting portion (handle part) 3b that the 3a of portion is connected with handle.The operator of perambulator 1 operates this perambulator 1 by holding handle connecting portion 3b.

Handle 3, is fixed and forms in the mode of changeable (releasing) in promotion position, opposite (way of propelling of operator in the infant opposite) P2 representing with solid line in promotion position, the back side (way of propelling of operator in the infant back side) P1 that represents with long and two-short dash line in Fig. 2 and Fig. 2.Promote overleaf position P1, figure angle is seen from the side, and the upper section of handle 3 is in rear, and handle 3 tilts with respect to vertical direction.In the case, operator (preserver) holds handle 3 from infant's the back side.Thereby operator can make the front walking (state Fig. 1 shown in, and the long and two-short dash line of Fig. 2 represented state) of perambulator 1 towards infant towards direct of travel.On the other hand, promote over there position P2, angle of field is seen from the side, and the upper section of handle 3 is in front, and handle 3 tilts with respect to vertical direction.In the case, operator is from holding handle 3 with the position of the aspectant forward foot in a step 11 sides of infant.Thereby, the front that operator can be using the rear foot of handle 12 sides as direct of travel and make perambulator 1 walk (state shown in the solid line of Fig. 2).While promoting overleaf position P1, the outside 3d of handle 3 and the pivot center 17a of trailing wheel 17 form arm of force D2, and this arm of force D2 is less than infant's center of gravity G and the arm of force that pivot center 17a forms, therefore, if only adopt handle 3 to be difficult to make lift on baby-carrier fore wheel 15; While promoting over there position P2, the outside 3c of handle 3 and the pivot center 15a of front-wheel 15 form arm of force D1, this arm of force D1 is less than infant's center of gravity G and the arm of force that pivot center 15a forms, therefore, if only adopt handle 3 to be difficult to make lift on the trailing wheel 17 of perambulator, and if adopt the foot-operated member 50 in front to match with handle 3, member 50 is ridden in the operator front that tramps with one's feet, then with pulling handle 3, can comparatively be easy to make lift on trailing wheel 17.

Wherein, handle 3 structure swingable with respect to vehicle frame body 2 is to adopt known structure, and for example publication number is disclosed structure in JP2008-254688A Japanese documentation.So, in this specification sheets, no longer this is elaborated.Certainly, handle 3 needn't be set to the structure swingable with respect to vehicle frame body 2, a side identical with the forward foot in a step 11 or the rear foot 12 can be fixed in the position of handle 3, now, only need to a side at handle 3 places (with the forward foot in a step 11 homonymies or with the rear foot 12 homonymies) transom is set and foot-operated member is set on this transom.

In addition be folding structure at the perambulator of the present embodiment.The folding structure of perambulator 1 is also to adopt known structure, and for example above-mentioned publication number is disclosed structure in JP2008-254688A Japanese documentation.So, in this specification sheets, no longer this is elaborated.

And as shown in Figure 2 and Figure 5, the vehicle frame body 2 of the perambulator 1 in the present embodiment, comprises a pair of front transom 20 extending between two forward foot in a step 11, and a pair of rear transom 30 extending between two rear feet 12.

Front transom 20 in order to connect a pair of forward foot in a step 11, the rigidity that strengthens vehicle frame body 2 arranges.As shown in Figure 3, front transom 20 comprises two front connecting portions 22 that are individually fixed in two forward foot in a step 11 and is fixed on the front axial region 21 extending between two front connecting portions 22, with axle shape.In the present embodiment, front axial region 21 is to extend with linearity.And being not limited to this example, front axial region 21 extends with curve-like, or the mode that comprises straight line and curve extends, and is all fine.In illustrated example, the cross-sectional plane of front axial region 21 has rectangular shape.As shown in Figure 3 and Figure 4, front axial region 21 comprise towards the 21a above in front and upward above 21b.

Again, as shown in Figure 3, the top of transom 20 disposes the infant's foot supporting plate 18 of the foot that supports the infant who takes perambulator 1 forwardly.Infant's foot supporting plate 18 is fixed on the 21b above of front axial region 21.Infant's foot supporting plate 18 is tabular, with infant's foot towards corresponding, be installed on front axial region 21.Typical situation is that infant's foot supporting plate 18 is parallel with horizontal surface or have a down dip towards rear court.In the present embodiment, infant's foot supporting plate 18 is slightly parastate with the 21b above of front axial region 21.In addition, the birds-eye view of infant's foot supporting plate 18 ovalize substantially.

In addition, please continue to refer to Fig. 3 and Fig. 4, the foot-operated member 50 in front is supported on front transom 20.The foot-operated member 50 in front, in the situation that handle 3 is positioned at promotion position, opposite P2, contributes to make on the trailing wheel 17 in front, to lift in direction of travel.In Fig. 3 and Fig. 4, amplify and represented that front rides member 50.As shown in Figures 3 and 4, the foot-operated member 50 in front is installed on the 21a above of front axial region 21, and square shaft portion 21 extends towards the below of Fig. 4 in the past, and the foot-operated member 50 in front is towards the outside of vehicle frame body 2.In illustrated example, the foot-operated member 50 in front is fixed on the 21a above of front axial region 21 by rivet 51.But, be not limited to this example.The foot-operated member 50 in front both can adopt screw to be fixed on front axial region 21, also can be integrally formed with front axial region 21.

As Fig. 3, Fig. 4, member 50 is ridden in the front of the present embodiment, has comprised the support sector 52 of extending from the front axial region 21 of front transom 20, and is connected to form with support sector 52 pedal position 53 of riding face 53a.As shown in Figure 4, support sector 52 is tabular, and the 21a above of square shaft portion 21 is downwards towards top rake in the past.The downward extended end of support sector 52 is connected with pedal position 53.Pedal position 53 tilts for support sector 52 and forwards extends out from this support sector 52, and the two roughly forms an obtuse angle.

The upper surface of the pedal position 53 of foot-operated member 50 forwardly, forms foot-operated face 53a.Foot-operated face 53a is at handle 3 in promotion position, opposite P2 in the situation that, for making to lift on trailing wheel 17, the position that operator's pin is placed.As shown in Figure 4, the foot-operated face 53a in the present embodiment is also downward-sloping towards front.In the present embodiment, foot-operated face 53a has formed multiple raised line 53b of horizontal expansion according to fore-and-aft direction interval.When this raised line 53b is placed on foot operator on foot-operated face 53a, energy increasing friction force, suppresses foot and slides from foot-operated face 53a.

Here describe for the position of foot-operated face 53a further.As shown in Figure 4, foot-operated face 53a in working direction between the front end 20a of front transom 20 and the front end 15b of front-wheel 15.If further described, the front end 53c of foot-operated face 53a be positioned at the pivot center 15a of front-wheel 15 before.And the front end 53c of foot-operated face 53a is between the upper end 20b of the front of above-below direction transom 20 and the pivot center 15a of front-wheel 15.Further, in the situation that front-wheel 15 is kept by castor mechanism 14, the pivot center 15a of front-wheel 15 and the position of front end 15b change.The foot-operated member 50 in front is intended to use under opposite promotion state.Therefore,, to make the front-wheel 15 of location comparison with the foot-operated member 50 in front, the state that its pivot center 15a is positioned at the position in castor mechanism axis 14a front is prerequisite.The variation of this position, can realize by rotating castor mechanism 14.

The width of foot-operated face 53a like this, matches with the width of operator's foot.For example between 70mm～100mm, form.The length of the bearing of trend of foot-operated face 53a, for example, form between 30mm～50mm.The material that forms the foot-operated member 50 in front, can use known various materials.For example, form the material of the foot-operated member 50 in front, can use the synthetic resin such as solid rubber or alkide resin.

Next, illustrate taking Fig. 5 as reference.Fig. 5 be in order to illustrate under the state of handle 3 in being configured in promotion position, opposite P2, the schematic diagram of the effect of perambulator 1 when by disconnected slope.

As shown in Figure 5, handle 3 is in promotion position, the opposite P2 state that is configured in, and operator holds handle 3 in the position of the forward foot in a step 11 sides on infant opposite.Therefore, the front of operator using the rear foot 12 sides of perambulator 1 as direct of travel and perambulator 1 is walked.In the time there is rugged disconnected slope in the ground that perambulator 1 is walked, for perambulator 1 is steadily advanced, must make trailing wheel 17 in direct of travel front can on lift, to stride across disconnected slope.

Particularly, operator, trample the foot-operated face 53a of the foot-operated member 50 in front towards the front of direct of travel with pin in, rearward draws the handle connecting portion 3b of handle 3 with hand, and the outside 3d of handle connecting portion 3b is to the left side motion in Fig. 5.Accordingly, the power of the horizontal direction of a pair of opposite direction as shown by arrows in FIG. can be born in two places of perambulator 1, and the couple that a pair of power of this horizontal direction by opposite direction forms, has produced the moment that makes perambulator 1 unitary rotation.As a result, perambulator 1, taking the front-wheel 15 that is positioned at rear as benchmark rotates, can make perambulator 1 entirety recede with respect to vertical direction, and is positioned on the trailing wheel 17 in front and lifts.Now, on the above-below direction vertical with horizontal direction, what between foot-operated face 53a and the handle connecting portion 3b of handle 3, be separated by is distant, therefore, even if tramp with one's feet, the power of foot-operated face 53a and also not very big by the power that pulls handle connecting portion 3b, also can make perambulator 1 produce larger couple.In addition, hold handle 3 promote the state that perambulator 1 advances from operator, the action of stepping on foot-operated face 53a with pin towards front is can be unlabored.Equally, hold handle 3 from operator and promote the state that perambulator 1 advances, with the action that hand rearward draws the handle connecting portion 3b of handle 3 be also can be unlabored.

Fig. 6, Fig. 7 are the figure that the second embodiment of the perambulator being made up of the utility model is described, this embodiment has increased the foot-operated member 62 in rear on the basis of the foot-operated member in the front of previous embodiment.Structure, material and the size etc. of the foot-operated member in this rear and the foot-operated member in front are basically identical, therefore, the description of the foot-operated member in this rear are done suitably to simplify.

As shown in Figure 6, Figure 7, rear transom 30 in order to connect a pair of rear foot 12, increase the rigidity of car body 2 and arrange.Rear transom 30 comprises two rear connecting portions 32 that are individually fixed on two rear feet 12 and is fixed on the rear axial region 31 extending between two rear connecting portions 32, with axle shape.The shape and structure of rear axial region 31 can be consistent with front axial region 21, therefore be not described in detail at this.As shown in FIG., rear axial region 31 comprise towards rearward 31a below and upward above 31b.

Continue referring to Fig. 6, Fig. 7, the foot-operated member 62 in rear is supported on rear transom 30, and the foot-operated member 62 in rear, contributes to make on the front-wheel 15 in front, to lift in direction of travel in promotion position, the back side P1 in the situation that at handle 3.The foot-operated member 62 in rear is installed on the 31a below of rear axial region 31, from this rear axial region 31 towards Fig. 7 below extend.In the drawings, the foot-operated member 62 in rear is fixed on the 31a below of rear axial region 31 by rivet 61.Certainly, the foot-operated member 62 in rear also can adopt other modes to fix by member 50 as foot-operated in front.

The foot-operated member 62 in rear comprises the pedal position 62b that is formed as foot-operated face 62c that is fixed on the 62a of support sector of rear axial region 31 and is connected with the 62a of support sector by rivet 61, on foot-operated face 62c, be provided with multiple raised line 62d, for preventing operator's foot's slip in the time trampling.

Here describe for the position of foot-operated face 62c further.As shown in Figure 7, foot-operated face 62c in working direction between the rear end of rear transom 30 30a and the rear end 17b of trailing wheel 17.Further, the rear end 62e of foot-operated face 62c be positioned at the pivot center 17a of trailing wheel 17 after, and the rear end 62e of foot-operated face 62c is between the upper end 30b of the rear of above-below direction transom 30 and the pivot center 17a of trailing wheel 17.

As shown in Figure 8, handle 3 is in promotion position, the back side P1 state that is configured in, and operator holds handle 3 in the position of the rear foot 12 sides at the infant back side.Therefore, operator walks perambulator 1 using the forward foot in a step 11 sides of perambulator 1 as the front of direct of travel.While there is rugged disconnected slope in the ground that perambulator 1 is walked, for perambulator is steadily advanced, must make front-wheel 15 in direct of travel front can on lift, stride across disconnected slope.

Particularly, operator, trample the foot-operated face 62c of the foot-operated member 62 in rear towards the front of direct of travel with pin in, pulls back the handle connecting portion 3b of handle 3 with hand, and the outside 3d of handle connecting portion 3b is to right side motion in figure.Accordingly, the power of the horizontal direction of a pair of opposite direction as shown by arrows in FIG. can be born in two of perambulator 1 places.The couple that a pair of power of this horizontal direction by opposite direction forms, has produced the moment that makes perambulator 1 unitary rotation.As a result, perambulator 1, taking the trailing wheel 17 that is positioned at rear as benchmark rotates, can make perambulator 1 entirety with respect to vertical direction tilted rearward, and is positioned on the front-wheel 15 in front and lifts.Now, on the above-below direction vertical with horizontal direction, what between foot-operated face 62c and handle connecting portion 3b, be separated by is distant, therefore, the foot-operated face 62c power and also not very big by the power that pulls handle connecting portion 3b even if tramp with one's feet, also can make perambulator 1 produce larger couple, be easy to lift, stride across disconnected slope.

Above, be only schematic description of the present utility model, it will be recognized by those skilled in the art that and do not departing from the basis of principle of work of the present utility model, can make multiple improvement to the utility model, this all belongs to protection domain of the present utility model.

Claims

1. a perambulator, the handle that comprises vehicle frame body and be connected with described vehicle frame body, described vehicle frame body comprises and being arranged in parallel and end is provided with two forward foot in a step of front-wheel and is arranged in parallel and end is provided with two rear feet of trailing wheel, described handle is swingable, described handle be rocked to the described rear foot position in the same side or with the position of the described forward foot in a step in the same side; It is characterized in that, between described two rear feet and between two forward foot in a step, be provided with transom, on each described transom, be provided with towards this external foot-operated member of described vehicle frame.

2. perambulator as claimed in claim 1, is characterized in that, above the described transom between described two forward foot in a step, is provided with infant's foot supporting plate.

3. perambulator as claimed in claim 1 or 2, is characterized in that, described foot-operated member comprises and is fixed on the support sector of described transom and is connected to form the pedal position of foot-operated face with described support sector.

4. perambulator as claimed in claim 3, is characterized in that, is provided with multiple for anti-skidding raised line on described foot-operated face.

5. perambulator as claimed in claim 3, is characterized in that, the angle of described pedal position and described support sector is obtuse angle.

6. perambulator as claimed in claim 3, is characterized in that, described support sector is threaded connection or rivets is fixed on described transom.

7. perambulator as claimed in claim 1, is characterized in that, described foot-operated member is solid rubber material or alkide resin material.

8. a perambulator, the handle that comprises vehicle frame body and be connected with described vehicle frame body, described vehicle frame body comprises and being arranged in parallel and end is provided with two forward foot in a step of front-wheel and is arranged in parallel and end is provided with two rear feet of trailing wheel, it is characterized in that, and between described two rear feet of described handle in the same side or the forward foot in a step, be provided with transom, on described transom, be provided with towards this external foot-operated member of described vehicle frame.

9. perambulator as claimed in claim 8, is characterized in that, described foot-operated member comprises and is fixed on the support sector of described transom and is connected to form the pedal position of foot-operated face with described support sector.

10. perambulator as claimed in claim 9, is characterized in that, is provided with multiple for anti-skidding raised line on described foot-operated face.