CN2644260Y

CN2644260Y - Perambulator

Info

Publication number: CN2644260Y
Application number: CN 03244006
Authority: CN
Inventors: 陈舜民
Original assignee: WONDERLAND NURSERYGOODS CO LTD
Current assignee: WONDERLAND NURSERYGOODS CO LTD; Wonderland Nurserygoods Co Ltd Hong Kong
Priority date: 2003-04-01
Filing date: 2003-04-01
Publication date: 2004-09-29
Anticipated expiration: 2013-04-01

Abstract

The utility model relates to a pram, comprising a handle mechanism, two pivot slewing locking mechanisms, two forefoot tubes, two rear-foot tubes, two connecting tubes, two pivot rocking pins, a U-shaped seat tube with two arms and a dinner plate component, wherein, the handle mechanism comprises two tube arms and an actuating mechanism; the two pivot slewing locking mechanisms are fixed respectively on the open ends of the two tube arms and connected with the actuating mechanism via cables; one end of each forefoot tube is pivotally coupled with one of the pivot slewing locking mechanisms, and a fore wheel is arranged at the other end of each forefoot tube; one end of each rear-foot tube is pivotally coupled with one of the forefoot tubes near the fore wheel, and a rear wheel is arranged at the other end of each rear-foot tube; one end of each connecting tube is pivotally coupled with one of the pivot slewing locking mechanisms, and the other end is pivotally coupled with the rear-foot tube; each pivot slewing rocking pin is rotationally fixed on one of the connecting tubes; each arm of the U-shaped seat tube is connected with one connecting tube via the pivot slewing rocking pins; the dinner plate component is fixed on the open ends of the two arms of the seat tube and pivotally coupled with the forefoot tube. The pivot slewing locking mechanism can enable the pram be in a locked position or an unlocked retractable position selectively by operating the actuating mechanism.

Description

Perambulator

(1) technical field

The relevant a kind of perambulator of the utility model, specifically, relevant a kind of perambulator that can fold and meet ergonomics forward.

(2) background technology

Indispensable and articles for use easily when perambulator is gone out for carrying the infant, but because of its volume is bigger, so be designed to Foldable mostly, in order to carrying.But still there are some shortcomings in the stroller design of traditional Foldable.For example, the design that folds is backward all adopted in the operation that folds of traditional Foldable perambulator, and this kind designs and do not meet the custom that folds of ergonomics, thus cause fold operational not convenient.In addition, general Foldable perambulator is under collapse state, each member of car body all can't be done superimposed fully, especially handle portion, even therefore under the state that folds, be still and accounted for very big volume, so not only be unfavorable for carrying of user, transporting and also needing during warehousing bigger space.

Therefore, in the perambulator field, fold the minimized perambulator of volume and exist demand for still enough allowing the user implement folding of perambulator and can allowing with comfortable posture and shirtsleeve operation.

(3) utility model content

The purpose of this utility model is that a kind of perambulator that can fold forward that ergonomics returns the vehicle to the garage and knock off and is accustomed to that meets will be provided.

Another purpose of the present utility model service plate when a kind of folding is provided can not bump against ground-surface novel perambulator.

Another purpose of the present utility model is the minimized perambulator of shared volume when a kind of folding is provided.

To achieve the above object, perambulator of the present utility model, it comprises: handle mechanism, it has two pipe arm portion and actuation mechanism; Two pivot locking mechanisms, it is separately fixed on the free end of two pipe arm portions of handle mechanism and is connected via a cable and this actuation mechanism; Two front foot pipe, an end of each front foot pipe are coupled to respectively on one of described pivot locking mechanism pivotly, and the other end is then respectively installed a front-wheel; One of the described front foot pipe that two rear foot tubes, an end of each rear foot tube is coupled to respectively pivotly goes up the position near front-wheel, and the other end is then installed a trailing wheel; Two connection pipes, an end of each connection pipe are coupled to respectively on one of described pivot locking mechanism pivotly, and the other end then is coupled to rear foot tube pivotly; Two pivot rocking pins, each rocking pin is rotatably mounted on one of described connection pipe respectively; The seat pipe of one one-tenth U-shaped, it has two arm portions and is coupled to a connection pipe by a described pivot rocking pin respectively; And a service plate assembly, it is fixed on the free end of two arm portions of described seat pipe and is coupled with front foot pipe pivotly; Wherein, this pivot locking mechanism can optionally be locked in perambulator handle mechanism because of the operation of actuation mechanism and roughly become parallel with front foot pipe and connection pipe roughly becomes vertical position with ground, or with perambulator separate locking make handle mechanism can be forward, folding downwards, make handle mechanism, front foot pipe, rear foot tube, support tube, seat pipe and service plate assembly superimposed to roughly becoming parallel stowed position with ground.

(4) description of drawings

Fig. 1 is a schematic isometric of novel perambulator of the present utility model.

Fig. 2 A is the exploded perspective view of pivot locking mechanism shown in Figure 1.

2B is the combination stereogram of pivot locking mechanism.

Fig. 3 A is the exploded perspective view of sliding part and connection pipe and seat pipe.

Fig. 3 B is the combination stereogram of sliding part and connection pipe and seat pipe.

Fig. 3 C be when perambulator when the position of launching is folded, the scheme drawing when this pivot rocking pin is rocked to a bevelled position.

Fig. 4 A is the exploded perspective view of service plate assembly.

The combination stereogram of Fig. 4 B ginseng service plate assembly.

Fig. 5 A is the lateral plan of novel perambulator running condition shown in Figure 1.

Fig. 5 B is the lateral plan of novel perambulator collapse state shown in Figure 1.

(5) specific embodiment

The embodiment of the utility model shown in reference to the accompanying drawings is illustrated.Of the present utility model novel perambulator as shown in Figure 1 mainly comprises: one roughly becomes the handlebar stem 10 of U-shaped, and it has two arms 11 and a junction divides 12, connects two arms 11; Two pivot locking mechanisms 20 are separately fixed on the free end of handlebar stem two arms 11; Two front foot pipe 30, an end of each front foot pipe are coupled to a cooresponding pivot locking mechanism 20 pivotly, and the other end is then installed a front-wheel 32; Two rear foot tubes 40, an end of each rear foot tube are coupled near the end that is equiped with front-wheel of a corresponding front foot pipe 30 pivotly, and its other end is then installed a trailing wheel 42; Two connection pipes 50, an end of each connection pipe are coupled to a cooresponding pivot locking mechanism 20 pivotly, and its other end then is coupled to a cooresponding rear foot tube 40 pivotly; One roughly becomes the seat pipe 60 of U-shaped, and it has two pipe arm portions and is coupled in pivotly respectively on two connection pipes 50; And a service plate assembly 70 is fixed on the seat pipe 60.

On the connecting portion 12 of handlebar stem 10, be equiped with an actuator 14, it can rotate with respect to handlebar stem 10, in order to come start pivot locking mechanism 20 via one with pivot locking mechanism 20 bonded assembly cables 16 (Fig. 2 A), the details of this part will be in hereafter.In addition, because the syntagmatic of 16 of actuator 14 and handlebar stem 10 and cables is found in general traditional perambulator, thereby the structure of this part will be in giving unnecessary details herein.

Referring now to Fig. 2 A and Fig. 2 B pivot locking mechanism 20 is described.Shown in Fig. 2 A and 2B, pivot locking mechanism 20 comprises: one is fixed on the clasp part on the front foot pipe 30, and one is slidably mounted in the latch portion on the handle tube 10, an a connection piece 27 and a protecting cover 29.The hook part branch comprises: a cover piece installing 21, and it is set on the end of front foot pipe 30, and two button hook sheets 22 are arranged at the both sides of cover piece installing 21 respectively and utilize connecting element, as rivet, will overlap piece installing 21 and button hook sheet 22 is fixed on the front foot pipe 30.Clasp sheet 22 has the hook portion that a hook groove 221 and has guiding incline 222.This latch portion comprises: one roughly becomes the mount pad spare 23 of hollow cylindrical, it can plug in the free end of the arm 11 that is fixed in handle tube 10 and have a bottom, and one is provided with axially grooved sidewall and can not slip in the handle tube it than the big top of handle tube 10 internal diameters.Latch portion still comprises: a sliding part 24, it is installed in slidably in this mount pad spare 23 and via cable 16 and actuator 14 and is connected, one retracing spring 25 is set between this sliding part 24 and mount pad spare 23 bottoms, and a pin 26 runs transverse through this sliding part 24 and extends to outside the tube wall via the vertical notch 17 on the free end tube wall that is opened in handle tube 10 arm portions 11.The attaching parts 27 of pivot locking mechanism 20 is one roughly to become the triangular pieces of U-shaped, its U-shaped limit is fixed near arm portion 11 free ends, and the summit relative with this U-shaped limit then is coupled in pivotly and makes handle tube 10 and front foot pipe 30 form pivotable coupling in this cover piece installing 21.The protecting cover 29 of pivot locking mechanism 20 also is a U-shaped spare, and it is coated on clasp part, latch portion and attaching parts 27 in it and its upper end is coupled to this cover piece installing 21 and lower end and connection pipe 50 pivotable couplings pivotly.Shown in Fig. 2 B, when pivot locking mechanism 20 combines, the outer part of free end tube wall that pin 26 reaches arm portion 11 is to be sticked in the hook groove 221 of clasp sheet, wherein for the clear relativeness of finding out between pivot locking mechanism 20 each member of combination back, the protecting cover 29 of a part is cut in this figure.

The connection relationship of 60 of handle tube 10, connection pipe 50 and seat pipes is described referring now to Fig. 3 A-3C.As shown in Figure 3A, a pivot rocking pin 51 is provided and swingingly connects this connection pipe 50 and seat pipe 60 in order to pivoting.This pivot rocking pin 51 is one roughly to become the member of " ㄣ " shape and have a centre portion 511, it is formed on one the first arm 512 on the end of this centre portion 511 and extends on the direction perpendicular to this centre portion, and one second arm 513 its be formed on the other end of this centre portion and extend in the same plane of the first arm on but direction is opposite.Shown in Fig. 3 B, an end of this connection pipe 50 is to be coupled on the attaching parts 27 of this pivot locking piece 20 pivotly and the other end then is to be coupled to pivotly on the middle part of rear foot tube 40.This pivot rocking pin 51 is by its first arm 512 being run transverse through this connection pipe 50 and being mounted to pivotly on the connection pipe 50.Then, second arm 513 of this pivot rocking pin 51 is run transverse through an arm portion of seat pipe 60, seat pipe 60 can be pivoted swingingly be coupled to this connection pipe 50 by this.When perambulator when the position of launching is folded, this pivot rocking pin 51 will be rocked to a bevelled position (shown in Fig. 3 C) from a roughly upright position (shown in Fig. 3 B).

Then, with reference to Fig. 4 A and Fig. 4 B service plate assembly 70 is described.Shown in Fig. 4 A, service plate assembly 70 comprises: two fixed mounts 71, its bottom are fixed on the free end of pipe arm portion of present pipe 60, and a service plate 72, and it has two connecting arms 73.All offering one on each fixed mount 71 roughly becomes inverted U-shaped link slot in order to hold the cooresponding inverted U-shaped connecting portion 74 on connecting arm 73 ends that are formed at service plate 72.On connecting portion 74, be provided with an elastic rail fastening 75, when it is inserted on the fixed mount 71 in the cooresponding link slot at connecting portion 74, can fasten, use being installed on the fixed mount 71 with the corresponding connecting hole 76 on being opened in fixed mount.When needs are pulled down service plate 72, only need be depressed elastic rail fastening 75 itself and connecting hole are broken away from, and service plate 72 can be separated with fixed mount 71.In addition, the upper end of fixed mount 71 also utilizes a rivet and is coupled to pivotly on the front foot pipe 30.

Because being coupled as generally known structure and being not feature of the present utility model place between the coupling between front-wheel 32 and the front foot pipe 30 and trailing wheel 42 and the rear foot tube 40, so the structure of this part is with not explanation in this article.

Next, the operation and the use of perambulator of the present utility model are described with reference to Fig. 5 A and 5B.In the time perambulator of the present utility model will being folded, the user only need rotate the actuator 14 that is located on the handle tube 10 makes it affect cable 16 to spur the sliding part 24 of pivot locking mechanism 20, and then drives hook groove 221 that pin 26 makes itself and clasp sheet 22 by sliding part and break away from and form the sealed state of separating.At this moment, the user can push away handle tube 10 forward, and the preceding promotion of this leader's pipe is done to make handle tube 10 with the A point (promptly, the pivoting point that front foot pipe 30 and pivot locking mechanism are 20) being centre of gration pivots with respect to front foot pipe 30, and the pivoting point B that drives handle tube 10 and connection pipe 50 swing that pivots backward.This swing that pivots backward of pivoting point B can cause connection pipe 50 that motion backward (shown in Fig. 3 C) with respect to connection pipe 60 is arranged by pivot rocking pin 51.So, because perambulator has lost the vertical support of connection pipe 50, so front foot pipe 30 can with its pivoting point C with rear foot tube 40 be the center downwards, pivot backward, connection pipe 50 can with its pivoting point D with rear foot tube 40 be the center downwards, pivot backward, make handle tube 10, front foot pipe 30, connection pipe 50, seat pipe 60 and rear foot tube 40 fold into the collapse state of almost parallel downwards, the service plate assembly 70 of this moment also can be that the center pivots with the pivoting point E of its fixed mount 71 and front foot pipe 30, make it can not collide ground, shown in Fig. 5 B.

When needs extend use with perambulator, only need handle tube 10 is upwards mentioned, it is that the center makes progress, pivots forward with pivotal point C and D respectively that front foot pipe 30 and connection pipe 50 promptly can be taken advantage of a situation.This will cause pivot rocking pin 51 to be rocked to a roughly upright position (seeing Fig. 3 B) forward, and handle tube 10 can be that the center is switched to the position with front foot pipe 30 almost parallels with pivoting point A also.At this moment, only need handle tube 10, can allow the pin 26 of pivot locking mechanism move and slip in the hook groove 221, form locked state, shown in Fig. 5 A along the guiding incline 222 of clasp sheet 22 a little to pressing down.

Novel perambulator of the present utility model has following advantage:

(1) folding of perambulator adopted the mode that folds forward, meets the custom that folds of ergonomics;

When (2) folding, service plate can not collide ground because of the downward folding of car body; And

When (3) folding, because of handle tube be overlapped into forward parallel with rear foot tube and front foot pipe, so can dwindle the front and back length of perambulator when collapse state; In addition, because of the service plate assembly can pivot inwardly with respect to front foot pipe when folding, so can reduce the height of perambulator when collapse state.

Though foundation preferred embodiment of the present utility model is in above being illustrated for the utility model, this does not represent that scope of the present utility model is confined to above-mentioned structure.Person skilled in the art person can be developed the alternative structure that equivalence at an easy rate after reading above-mentioned explanation, and these equivalent alternative structure also are within the scope that the application's claim is defined.

Claims

1. a perambulator is characterized in that, comprises:

Handle mechanism (10), it has two pipe arm portion (11) and actuation mechanism (14);

Two pivot locking mechanisms (20), it is separately fixed on the free end of two pipe arm portions of handle mechanism and is connected via a cable and this actuation mechanism;

Two front foot pipe (30), an end of each front foot pipe are coupled to respectively on one of the aforesaid pivoted locking mechanism person pivotly, and the other end is then respectively installed a front-wheel;

One of the described front foot pipe that two rear foot tubes (40), an end of each rear foot tube is coupled to respectively pivotly goes up the position near front-wheel, and the other end is equiped with a trailing wheel;

Two connection pipes (50), an end of each connection pipe is coupled to respectively on one of described pivot locking mechanism pivotly, and the other end is coupled to rear foot tube pivotly;

Two pivot rocking pins (51), each rocking pin is rotatably mounted on one of described connection pipe respectively;

The seat pipe (60) of one one-tenth U-shaped, it has two arm portions and is coupled to a connection pipe by a described pivot rocking pin respectively; And

One service plate assembly (70), it is fixed on the free end of two arm portions of described seat pipe and is coupled with front foot pipe pivotly;

The operation of this pivot locking mechanism by actuation mechanism optionally is locked in perambulator handle mechanism and roughly becomes parallel with front foot pipe and connection pipe roughly becomes vertical position with ground, or with perambulator separate locking make handle mechanism can be forward, folding downwards, to make handle mechanism, front foot pipe, rear foot tube, support tube, seat pipe and service plate assembly superimposed to roughly becoming parallel stowed position with ground.

2. perambulator as claimed in claim 1 is characterized in that, this handle mechanism is the pipe fitting of one one-tenth U-shaped, and it has, and a junction that connects two pipe arm portions divides and this actuator is to be installed on this connecting bridge.

3. perambulator as claimed in claim 1 is characterized in that, this pivot locking mechanism comprises: one is fixed on the clasp part on the front foot pipe; One is slidably mounted in the latch portion on the handle tube, its optionally with hook part divide to form sealed/separate sealed relation; A connection piece, it is coupled to clasp part and with clasp part, latch portion pivotly with handle mechanism; Reach the protecting cover that attaching parts is coated in it and is coupled to the clasp part pivotly.

4. perambulator as claimed in claim 3, it is characterized in that, this hook part branch comprises a cover piece installing, and it is set on the end of front foot pipe, two button hook sheets are arranged at the both sides of cover piece installing respectively and utilize connecting element will overlap piece installing and the button hook sheet is fixed on the front foot pipe, it is characterized in that this clasp sheet has the hook portion that a hook groove and has guiding incline.

5. perambulator as claimed in claim 4, it is characterized in that, this latch portion comprises the mount pad spare of one one-tenth hollow cylindrical, it plugs in the free end of the arm that is fixed in handle tube and has a bottom, one is provided with axially grooved sidewall and a top bigger than handle tube internal diameter, makes it can not slip in the handle tube; One is installed in this mount pad spare slidably, and it is connected via cable and actuator; One retracing spring, it is set between the bottom of this sliding part and mount pad spare; One pin, it runs transverse through this sliding part and extends to outside the tube wall via the vertical notch on the free end tube wall that is opened in the handle tube arm portion, and forms optionally sealed/release relation with hook groove on the clasp sheet.

6. perambulator as claimed in claim 1, it is characterized in that, this pivot rocking pin has a centre portion, it is formed on one the first arm on the end of this centre portion and extends on the direction perpendicular to this centre portion, and one second arm its be formed on the other end of this centre portion and extend in the same plane of the first arm on but direction is opposite.

7. perambulator as claimed in claim 1 is characterized in that, this service plate assembly comprises two fixed mounts, and the bottom of each fixed mount is separately fixed on the free end of a pipe and its top is to be coupled to front foot pipe pivotly; Be coupled on this two fixed mount with reaching its dismounting of a service plate.