CN202193108U

CN202193108U - Braking mechanism for baby carriage

Info

Publication number: CN202193108U
Application number: CN2011202165693U
Authority: CN
Inventors: 洪圣博; 陈龙生
Original assignee: Zhongshan Longcheng Daily Products Co Ltd
Current assignee: ZHONGSHAN LERUI INFANT AND CHILDREN PRODUCTS CO., LTD.
Priority date: 2011-06-24
Filing date: 2011-06-24
Publication date: 2012-04-18
Anticipated expiration: 2021-06-24

Abstract

The utility model discloses a braking mechanism for a baby carriage, which is disposed at the lower end of a rear leg tube of a baby carriage framework and used for braking and brake releasing. The braking mechanism comprises a pair of wheel carriers, a braking mechanism, a braking pedal and a braking unit. The wheel carriers in pair are connected to the lower end of the rear leg tube of the baby carriage framework and respectively pivoted to a wheel, the braking mechanism at least comprises a driving rotary plate pivoted to the wheel carriers and positioned to the opposite side of the braking portion, and one side of the driving plate is provided with a driving slope. The braking pedal is connected with the driving rotary plate to drive the same to rotate positively and reversely, and the braking unit comprises a braking lever and is pushed and jacked by the driving slope to move the braking lever to the braking position and the brake releasing position. The braking mechanism for the baby carriage has the advantages that firstly, vamps of a user cannot be scratched while using is facilitated, secondly, the braking mechanisms on two sides can keep the same state to facilitate the user in operation and guarantee safety of a baby in the baby carriage, and thirdly, the two driving rotary plates can return to the brake releasing state synchronously.

Description

The perambulator braking mechanism

Technical field

The utility model relates to a kind of perambulator braking mechanism, and particularly a kind of brake and releasing brake all are to trample the braking mechanism of being accomplished downwards.

Background technology

The braking mechanism method kind of baby stroller trailing wheel is various, wherein has one to tie up to other trailing wheel place and establish a pedal respectively, and the inserted tooth that pedal is provided with can be chimeric be gone in the vacancy of set tooth portion on the trailing wheel, the brake function that stops trailing wheel to rotate; But the control of its brake system is independently controlled by both sides respectively separately; Left and right must taking into account comparatively bothers; If the prominent emergency of meeting; Can't in time check two trailing wheels synchronously probably, this will cause the rolling of hand barrow to move and rotate, and make hand barrow have and topple over, makes the baby in the car to fall out injured danger.

Existing perambulator brake gear shown in Chinese patent 200620058716.8, belongs to and can check or discharge trailing wheel simultaneously; Yet this brake gear still is provided with brake pedal respectively in both sides, and the both sides brake pedal is different in the brake or the position of release position, misleads operation easily and causes operational inconvenience; In addition; Described brake gear can brake when touching on the brake pedal downwards, but when removing braking state; Then must under brake pedal, upwards trigger brake pedal, meeting scratch user's vamp.

Chinese patent 200620149310.0 discloses another kind of perambulator braking mechanism, comprises the wheel seat that articulates with wheel, and the clip tooth is located in the wheel; But brake slide block clip is in the clip tooth and brake or remove brake; Its advantage is, can trample the mode at brake pedal two ends and accomplish brake or remove brake, and is easy to use and can not damage user's vamp; But its weak point is, causes this brake malfunctioning easily thereby the both sides wheel condition is different.

Summary of the invention

The utility model technical matters to be solved provides a kind of perambulator braking mechanism; Main device particularly on the lower end of perambulator skeleton rear foot tube, is trampled with the downward application of force for the operator in the perambulator downside; Can operate by one-sided border district, and can reach the effect that synchronous releasing is braked.

The said perambulator braking mechanism of the utility model is the rear foot tube lower end that is installed on a perambulator skeleton, supplies the usefulness of brake and releasing brake operation, comprises a pair of wheel seat, is the rear foot tube lower end that is connected in this perambulator skeleton, articulates a wheel respectively; And a braking mechanism, comprise that at least one drives rotating disk, be to be articulated in this wheel seat, and be positioned at the relative side at this brake position, be provided with a driving inclined-plane in a side of this driving rotating disk; One brake pedal is to be connected with this driving rotating disk to supply this rotating disk of driving to make forward and backward; And a brake units, comprising a brake lever, this brake units system moves this brake lever by this drives the inclined-plane ejection, make this brake lever be positioned at a normal danger and and remove normal danger.

In addition, this brake pedal system is one-body molded with this driving rotating disk; This brake pedal system comprises a brake pedal piece and a piece that releases the pedal, and can supply the operator to trample driving this driving rotating disk forward rotation or backward rotation, thereby this brake lever of ejection moves to normal danger or returns back to the releasing normal danger.

Wherein this brake units comprises that also the protruding grain of an ejection is installed in this wheel seat, and an end contacts with the driving inclined-plane; One slow-action spring installation is between the protruding grain of this ejection and this brake lever; Between this brake lever of one reseting spring device and this wheel seat, use this brake lever of ejection and return back to the releasing normal danger from normal danger.

Also be provided with a moving part between these perambulator skeleton lower end two side drive rotating disks, so that a side brake pedal is when being driven, the interlock opposite side drives rotating disk with synchronous rotation; Be to be provided with pull back spring between the driving rotating disk of this opposite side and this wheel seat wherein, so that return back to the releasing normal danger synchronously with a side drive rotating disk.

The said perambulator braking mechanism of the utility model, its advantage is following:

1. a brake pedal piece and a piece that releases the pedal is housed, can supplies the operator to trample driving this drivings rotating disk forward rotation or backward rotation, thus vamp that can the scratch user when making things convenient for use;

2. only on one side brake pedal is being set and is utilizing the brake gear of moving part interlock opposite side wheel; Can guarantee that the both sides braking mechanism keeps equal state; Overcome rolling that one side brake causes and move or rotate, bring operational convenience and guarantee baby's in the car safety to the operator;

3. the pull back spring of device on actuating device can make two driving rotating disks return back to the releasing braking state synchronously simultaneously, reaches the effect of stepping on dual brake each other.

Description of drawings

Fig. 1 is the schematic perspective view of perambulator skeleton;

Fig. 2 is installed on the schematic perspective view of rear foot tube for the perambulator braking mechanism;

Fig. 3 is the action scheme drawing of brake pedal manipulation;

Fig. 4 is positioned to brake for brake pedal and removes the scheme drawing of braking state;

Fig. 5 is the decomposing schematic representation of perambulator braking mechanism;

Cut-away section scheme drawing when Fig. 6 removes braking state for the perambulator braking mechanism;

Fig. 7 be the perambulator braking mechanism when braking state generalized section;

Fig. 8 is the member schematic perspective view of opposite side perambulator braking mechanism;

Fig. 9 is the generalized section of both sides braking mechanism when removing braking state;

Generalized section when Figure 10 is perambulator braking mechanism synchronous brake.

The main element explanation

1:	The perambulator skeleton	2:	Wheel seat
				3:	Braking mechanism	4:	Drive rotating disk
5:	Brake pedal	6:	Brake units
				7:	Moving part	8:	Second wheel seat
9:	Second drives rotating disk	11:	Rear foot tube
				20:	Wheel shaft	21:	Wheel
22:	The brake knock hole	41:	Arc groove hole
				42:	Drive the inclined-plane	43:	Locate protruding grain
44:	Enclosing cover	45:	Jack-post
				46:	Positioning groove	47:	Braking state
48:	Remove braking state	51:	The brake pedal piece
				52:	Piece releases the pedal	60:	Storage tank
61:	The protruding grain of ejection	62:	Brake lever
				63:	Normal danger	64:	Remove normal danger
65:	Elastic element	66:	Recoil spring
				67:	Retracing spring	90:	Pull back spring

The specific embodiment

As shown in Figure 1; The described perambulator braking mechanism of the utility model, main device are in the perambulator downside, particularly on rear foot tube 11 lower ends of perambulator skeleton 1; Work as the operator like this and trample and to operate by one-sided border district, and can reach synchronous brake or remove the effect of braking synchronously with the downward application of force.

Like Fig. 2, Fig. 5 and shown in Figure 8; The first side wheel seat 2 is the lower end that is connected in rear foot tube 11, for wheel shaft 20 runs through in the monolateral or bilateral wheel 21 that is pivoted; Side at wheel 21 is provided with the brake position; Comprise the brake knock hole of arranging in the form of a ring 22, or be radial projection, and between projection, form the clip space (figure does not show).During assembling, the brake knock hole 22 of wheel 21 is pressed close to towards a side wheel seat 2.

Like Fig. 3 to braking mechanism 3 shown in Figure 5; Comprise that one drives rotating disk 4, a brake pedal 5; Wherein drive the side that rotating disk 4 is articulated in wheel seat 2; At least be provided with the scope of an arc groove hole 41, and be provided with the driving inclined-plane 42 that circular arc forms along the axle center in its medial surface with axostylus axostyle (figure does not show) limit rotation of matching and fixing between wheel seat 2 and driving rotating disk 4.

Brake pedal 5 is connected with driving rotating disk 4, by the operator it is trampled downwards with interlock and drives rotating disk 4, makes it in an angular range, do rotation forward or backwards.Further, can make brake pedal 5 and to drive rotating disk 4 one-body molded, but and establish the brake pedal piece 51 of a forward drive this driving rotating disk 4, but reach the piece 52 that releases the pedal of this driving rotating disk 4 of a reverse drive.Drive rotating disk 4 the protruding grain 43 in a location still can be set in the diameter of axle; But locate the positioning groove 46 of protruding grain 43 clips on the jack-post 45 of enclosing cover 44; When protruding grain 43 clips of location; Drive rotating disk 4 and can be positioned braking state 47, when the protruding grain 43 in location discharges, drive rotating disk 4 and can be positioned to remove braking state 48.

Like Fig. 5 to Fig. 7, Fig. 9, brake units 6 shown in Figure 10; Comprise protruding 61, one brake lever 62 of an ejection, an elastic element 65; Wherein the protruding grain 61 of ejection is in the storage tank 60 that is installed on slidably on the wheel seat 2; And contiguous driving inclined-plane 42 and the disalignment that drives rotating disk 4; Drive inclined-plane 42 when driving rotating disk 4 rotates to normal danger 63, the end surface thickness that itself and the protruding grain 61 of ejection contact increases gradually, makes to move via driving the direction of 42 promotion ejections protruding grain 61 in inclined-plane towards brake knock hole 22 by driving rotating disk 4.

Brake lever 62 is installed on the opposite side of the protruding grain 61 of ejection, and 2 turnover of warp protrusion wheel seat are positioned at the brake knock hole 22 of wheel 21 by moving of the protruding grain 61 of ejection.When brake lever 62 stretches into brake during knock hole 22, limiting wheel 21 rotates and is positioned at normal danger 63; When brake lever 62 withdraws from brake knock hole 22, wheel 21 is positioned at removes normal danger 64.

Elastic element 65 can comprise a recoil spring 66 and a retracing spring 67, and wherein recoil spring 66 is to be installed between protruding grain 61 of ejection and the brake lever 62; When protruding 61 ejection that is driven inclined-plane 42 of ejection moved, can receive the promotion of ejection force and push brake lever 62 to move to normal danger 63 from removing normal danger 64 via recoil spring 66; And when brake lever 62 is interrupted can't get into normal danger 63 time, recoil spring 66 deformation in compressions and store kinetic energy are waited to hinder when removing like this, can brake lever 62 be pushed into normal danger 63.

Embodiment shown in Fig. 5, Fig. 8 to 10; Easy to operate for making, can between the driving rotating disk 4 of perambulator skeleton 1 both sides wheel seat 2, be provided with a moving part 7, described moving part 7 can be a flexible flexible wire; Like cable wire, rubber or rubber-like plastics; When the operator steps on down wherein of two brake pedals 5,, be not provided with second of brake pedal 5 to be coupling and drive rotating disk 9 and rotate the driving transposon 18 that turns 5 interlocks of this brake pedal; And then by this second driving rotating disk, 9 rotations of moving part 7 drivings; With brake lever 62 synchronous being positioned at normal danger 63 or removing normal danger 64 that promote brake units 6, and be installed on the pull back spring 90 that second wheel seat 8 and second drives between the rotating disk 9 by one, when making a side drive rotating disk 4 be driven to releasing braking state 48; Second drives rotating disk 9 also moves to releasing braking state 48 synchronously, reaches the effect of stepping on the double play car successively.

Claims

1. the perambulator braking mechanism is the rear foot tube lower end that is installed on a perambulator skeleton, supplies the usefulness of brake and releasing brake operation, it is characterized in that, comprising:

A pair of wheel seat is the rear foot tube lower end that is connected in this perambulator skeleton, articulates a wheel respectively; And

One braking mechanism comprises at least:

One drives rotating disk, is to be articulated in this wheel seat, and is positioned at the relative side at this brake position, is provided with a driving inclined-plane in a side of this driving rotating disk;

One brake pedal is to be connected with this driving rotating disk to supply this rotating disk of driving to make forward and backward; And

One brake units comprises a brake lever, and this brake units system moves this brake lever by this drives the inclined-plane ejection, makes this brake lever be positioned at a normal danger and and removes normal danger.

2. according to the said perambulator braking mechanism of claim 1, it is characterized in that: wherein this brake pedal system is one-body molded with this driving rotating disk.

3. according to the said perambulator braking mechanism of claim 1, it is characterized in that: wherein this brake pedal system comprises a brake pedal piece and a piece that releases the pedal.

4. according to the said perambulator braking mechanism of claim 3, it is characterized in that: wherein this brake pedal piece system can supply the operator to trample with this driving rotating disk forward rotation of driving, thereby this brake lever of ejection moves to normal danger.

5. according to the said perambulator braking mechanism of claim 3, it is characterized in that: wherein this brake pedal piece system can supply the operator to trample with this driving rotating disk backward rotation of driving, thereby makes this brake lever return back to the releasing normal danger.

6. according to the said perambulator braking mechanism of claim 1, it is characterized in that: wherein this brake units also comprises:

The protruding grain of one ejection is to be installed in this wheel seat, and end system contacts with this driving inclined-plane,

One slow-action spring is to be installed between the protruding grain of this ejection and this brake lever,

One retracing spring is between this brake lever of device and this wheel seat, uses this brake lever of ejection and returns back to the releasing normal danger from normal danger.

7. according to the said perambulator braking mechanism of claim 1, it is characterized in that: be to be provided with a moving part between these perambulator skeleton lower end two side drive rotating disks wherein, so that a side brake pedal is when being driven, the interlock opposite side drives rotating disk with synchronous rotation.

8. according to the said perambulator braking mechanism of claim 1, it is characterized in that: be to be provided with pull back spring between the driving rotating disk of this opposite side and this wheel seat wherein, so that return back to the releasing normal danger synchronously with a side drive rotating disk.