CN110481619A - Carriage for baby hand handle has both device that is flexible and returning the vehicle to the garage and knock off - Google Patents

Abstract

A kind of Carriage for baby hand handle has both flexible with device that is returning the vehicle to the garage and knock off, being includes that flexible wearing closes and can open up the rear-wheel foot tube frame of conjunction in an one rear side mitered and be equipped with the front-wheel foot tube frame for the unlocking part that returns the vehicle to the garage and knock off in it, one its lower end is equipped with the intermediate warp pipe support of intermediate tube unlocking part and its lower end is equipped with and returns the vehicle to the garage and knock off and the hand handle of the flexible driving part of hand handle, and a flexible unlock tie component is set again while being through on three above-mentioned components, allow user that can drive different control cords to the operation returned the vehicle to the garage and knock off set by hand handle upper end and hand handle scaling operation portion reverses or presses with one hand, make by return the vehicle to the garage and knock off and hand handle stretch driving part by the scalable adjustment of hand handle highly, or rear-wheel foot tube frame is enabled to be converted by the unlocking part that returns the vehicle to the garage and knock off again by the pulling to flexible unlock tie component again after hand handle positioning, and it will be pushed up in hand handle retraction intermediate warp pipe support The intermediate tube unlocking part of its end is pushed away, intermediate warp pipe support is shunk back in front-wheel foot tube frame together, completes the purpose that vehicle frame completely folds.

Description

The handlebars for infants and toddlers are equipped with retractable and retractable devices

technical field

The present invention relates to baby carriages. In addition to the one-hand retraction operation, the telescopic adjustment of the appropriate height of the handle can also be carried out, and the operation of retracting the cart and the telescopic adjustment of the handle are all in the middle of the upper end of the handle. In the same place, it can be operated with one hand.

Background technique

Generally, the frame of baby stroller has a foldable design for easy storage, and at the same time, in order to facilitate the user to operate the frame with one hand, there is usually a handle in the middle of the handlebar. The car closing control device can achieve the purpose of car closing operation through the grip and pressure of the hand. The structure of the car closing control device is as announced in CN104828120B, CN103921822A, CN201619596U, CN202657083U, CN202703665U, CN205574030U, CN2474434Y, CN2513863Y...etc. As shown in the patent, by holding and pressing the button on the vehicle retracting control device, the vehicle retracting control cable passed through the frame tube is driven to pull the lock block located at the folding joint of the frame to unlock, so that the frame can be folded The action of collapsing.

Although the folded volume of the above-mentioned vehicle frame can be greatly reduced and is convenient for storage or storage, the operation mode of folding the vehicle frame in half, especially the handle part of the upper half of the vehicle frame, must be turned and folded downwards, and the user's Limbs may have to bend over or squat down significantly to successfully complete the above-mentioned purpose of folding the frame. For users who hold objects or infants in their hands, such an operation will indeed be more difficult.

In addition, when the baby stroller is unfolded, the handlebars are usually at the top of the frame, but for short or tall people, the arms cannot be stretched and held on the handlebars in the most natural posture , does not conform to the ergonomic design at all, although patents such as CN202728306U and CN203439095U announced that there is a retractable handle on the frame with a car retract control device and can be retracted with one hand, so that it can be used in accordance with different heights Or, it can be adjusted to a suitable height of the handle, but the adjustment of the telescopic adjustment of the handle is set in another place on the frame, that is, the control part for closing the car and the control part for the telescopic handle are respectively located in the vehicle frame. At different positions on the rack, the user must move the arm to these two different positions, and individually perform the operation of retracting the car and extending the handlebar, and even the adjustment of the handlebar extension must be performed with both hands.

In some cases, when one-handed operation is desired, the operating mechanism must be set in the middle of the upper end of the handlebar, which leads to the inability to set the control device for one-handed retraction, resulting in the frame trying to achieve one-handed retraction. And there are difficulties in implementation.

Contents of the invention

Therefore, in order to improve the operation of one-hand retraction of the known infant car frame and the operation of the height adjustment of the handlebar, the two cannot be at the same operating position, and it is impossible to perform single-handed operation without moving the arm position. For the problem of telescopic adjustment of the hand retractable vehicle and the handle, the present invention provides the upper end of the front wheel leg pipe frame, and sequentially passes through the middle telescopic pipe frame and the handle, so that the retractable vehicle and the handle telescopic operation part set at the upper end of the handle After pulling to release the lock between the handlebar and the middle telescopic pipe frame, the handlebar can be adjusted telescopically, or to carry out the operation of holding and pressing the telescopic operation part of the retractable car and handlebar, and then pulling to release the rear wheel After the leg frame is locked, it can be folded, and the handle is retracted into the middle telescopic pipe frame to push against the action. After the lock between the middle telescopic pipe frame and the front wheel leg frame is released, the middle telescopic pipe frame Retract it into the front wheel tube frame, and then achieve direct operation on the retractable and handlebar telescopic operation part, you can perform the telescopic adjustment of the handlebar with one hand, and the retraction of the rear wheel tube frame together with the handlebar, middle Condensation and other operations between the telescopic tube frame and the front wheel leg tube frame.

The technical solution adopted by the present invention to solve the technical problem is: the vehicle frame includes an upper end of the front wheel leg frame which is pivotally connected with the rear wheel leg frame and can be folded, and the middle telescopic tube frame which can be stretched and positioned is inserted in sequence It is equipped with the handle of the car receiving and handle telescopic operation part on it, and the lower end of the handle is provided with the car receiving and handle telescopic driving part, the lower end of the middle telescopic pipe frame is provided with the middle pipe unlocking part, and the lower end of the front wheel leg pipe frame There is a car retractable unlocking part inside, and a telescopic unlocking rod part that is worn between the car retractable and handlebar telescopic drive part, the intermediate tube unlocking part and the Put the telescopic operation part on the telescopic adjustment of the handle, and the control and operation of the retraction of the rear wheel frame when the car is closed, and the retraction of the handle and the middle telescopic frame into the front wheel frame.

The beneficial effect of the present invention is that, through the upper end of the front wheel leg pipe frame of the above-mentioned vehicle frame, a telescopic middle telescopic pipe frame and a handle are sequentially pierced, and the upper end of the handle is provided with a retractable handle that can be twisted or pressed with one hand. And the telescopic operation part of the handlebar, after the telescopic positioning block at the end of the handlebar is unlocked, the handlebar can be telescopically adjusted to adjust the height, and some car retractable drive blocks at the end of the handlebar can be pulled to telescopically unlock the pull rod part to allow the rear wheel tube support Fold after unlocking, and push back when retracting the telescopic positioning block into the lower end of the middle telescopic tube frame after unlocking by hand, so that the middle tube positioning block at the end of the middle telescopic tube frame is unlocked so that it can retract into the front wheel foot tube In the frame, and then to achieve the frame completely folded state.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a three-dimensional schematic diagram of a vehicle frame of the present invention.

Fig. 2 is a top perspective schematic diagram of the disassembled telescopic part of the vehicle frame of the present invention.

Fig. 3 is a schematic bottom perspective view of the disassembled telescopic part of the vehicle frame of the present invention.

Fig. 4 is a partial perspective schematic diagram of the telescopic part of the vehicle frame of the present invention.

Fig. 5 is a top perspective schematic diagram of the retractable and telescopic driving part of the handlebar at the lower end of the handlebar of the present invention.

Fig. 6 is a bottom perspective schematic diagram of the car receiving and handle telescoping driving part at the lower end of the handle of the present invention.

Fig. 7 is a top perspective exploded perspective view of the car receiving and handle telescoping driving part at the lower end of the handle of the present invention.

Fig. 8 is a perspective exploded perspective view of the lower end of the handle of the present invention for retracting the car and the telescopic driving part of the handle.

Fig. 9 is a cross-sectional view between the lower end of the handle and the upper end of the middle telescopic tube of the present invention.

Fig. 10 is a perspective schematic bottom view of the intermediate tube unlocking part at the lower end of the intermediate telescopic tube frame of the present invention.

Fig. 11 is a perspective exploded perspective view of the intermediate tube unlocking part at the lower end of the intermediate telescopic tube frame of the present invention.

Fig. 12 is a schematic cross-sectional view between the bottom of the middle telescopic pipe frame and the upper end of the front wheel leg pipe frame of the present invention.

Fig. 13 is a three-dimensional schematic diagram of the vehicle unlocking part retracted in the front wheel frame of the present invention and the rear wheel frame.

Fig. 14 is a three-dimensional exploded schematic view of the car retracting unlocking part of the present invention.

Fig. 15 is a schematic cross-sectional view between the vehicle unlocking part retracted in the front wheel frame and the rear wheel frame of the present invention.

Fig. 16 is a schematic perspective view of the penetration of the telescopic unlocking rod part of the present invention.

Fig. 17 is an exploded schematic perspective view of the telescopic unlocking rod part of the present invention.

Fig. 18 is a schematic diagram of the operation of the retractable and telescopic handle operating part of the present invention when the handle is telescopic.

Fig. 19 is a schematic diagram of unlocking when the present invention intends to adjust the telescopic adjustment of the handle.

Fig. 20 is a telescopic schematic diagram of the handle on the vehicle frame of the present invention.

Fig. 21 is a schematic diagram of the operation of the car receiving and handle telescopic operation part of the present invention when receiving the car.

Fig. 22 is a schematic diagram of the car-retracting driving action at the handlebar when the car is retracted according to the present invention.

Fig. 23 is a schematic diagram of the second driving action of closing the car at the handlebar when closing the car according to the present invention.

Fig. 24 is a schematic diagram of the action at the lower end of the intermediate telescopic pipe frame when the vehicle is received in the present invention.

Fig. 25 is a schematic diagram of unlocking of the rear wheel leg pipe frame when the car is received in the present invention.

Fig. 26 is a schematic diagram of unlocking the intermediate telescopic pipe rack of the present invention.

Fig. 27 is a schematic view of the vehicle frame of the present invention after it is completely folded.

Fig. 28 is a schematic diagram of the sitting position on the vehicle frame of the present invention after turning and condensing the handlebar together with the middle telescopic tube.

In the figure: 1. Vehicle frame, 11. Front wheel leg frame, 111. Positioning hole, 12. Rear wheel leg frame, 121. Lock block, 13. Middle telescopic tube frame, 131. Positioning hole, 14. Handle , 2. Front wheel, 3. Rear wheel, 4. Retracting vehicle and handlebar telescopic operation part, 40. Base, 41. Retracting button, 42. Turning handle, 43. Retracting control cable, 44. Telescopic handlebar Control cable, 5. Car retraction and handle telescopic linkage device, 51. Car retraction and handle telescopic drive part, 511. Bottom plug, 5111. Chute, 5112. Slideway, 5113. Guide groove, 5114. Guide hole , 5115. Inclined guide groove, 5116. Straight guide groove, 512. Car receiving drive block, 5121. Convex part, 5122. Deduction part, 513. Spring, 514. Handle telescopic drive block, 5141. Groove, 5142 .Notch, 5143. Inclined contact groove, 515. Handle telescopic positioning block, 5151. Convex part, 516. Spring, 52. Middle tube unlocking part, 521. Middle tube bottom plug, 5211. Guide hole, 5212. Sliding Road, 5213. Guide groove, 5214. Straight guide groove, 522. Middle tube positioning block, 5221. Convex part, 523. Unlocking slide block, 5231. Inclined groove, 524. Spring, 53. Unlocking part for receiving the car, 531 .Inner plug seat, 5311. Receptacle, 532. Swing block, 5321. Receiving part, 533. Retracting car unlocking cable, 534. Rear leg tube unlocking block, 54. Telescopic unlocking rod part, 541. Car receiving rod, 5411. Buckle hole for retracting the vehicle, 5412. Clamping part, 542. Unlocking lever for retracting the vehicle, 5421. Clamping part, 5422. Resisting part, 5423. Chute.

Detailed ways

Please refer to Fig. 1 to Fig. 4, the present invention is a structural device with telescopic adjustment and retractable operation for the handle of the infant car frame. The frame 1 mainly includes: The front wheel frame 11 with the front wheels 2 is installed, and the rear wheel frame 12 with the rear wheel 3 is installed with its lower end inclined backward, and the upper end of the rear wheel frame 12 is pivotally fixed to the front wheel Slightly in the middle of the pipe frame 11, the lower end of the middle telescopic pipe frame 13 is set to penetrate into the front wheel leg pipe frame 11 so as to be telescopic, and then the lower end of the handle 14 is set to penetrate into the middle telescopic pipe frame 13 to make multiple sections telescopic positioning, and install a car and handle telescopic operation part 4 in the middle of the handlebar 14 upper ends.

The above-mentioned car receiving and handle telescopic operation part 4 mainly includes a base 40 with a car receiving key 41 and a twistable handle 42, so that the retracting key 41 can be pressed to drive the receiving key 41 in the tube. The pulling of the car control cable 43 and the pulling of the handle telescopic control cable 44 that passes through the pipe can be driven by the rotation of the handle 42 .

At the same time, in the vehicle frame 1, a car receiving and handle telescopic interlocking device 5 is pierced from the handle 14, the middle telescopic pipe frame 13 to the front wheel leg pipe frame 11. The car receiving and handle telescopic interlocking device 5 mainly It includes: at the end of the handle 14, a car receiving and handle telescopic driving part 51 that can control the retracting and telescopic positioning is provided; The foot pipe frame 11 is provided with a car retractable unlocking part 53, and a telescopic unlocking pull rod part 54 that is simultaneously installed in the front wheel leg pipe frame 11, the middle telescopic pipe frame 13 and the end of the handle 14, and the telescopic unlocking pull rod part 54 The upper end of the upper end passes in the retractable car and handlebar telescopic drive part 51, the middle of it passes in the middle pipe unlocking part 52, and the lower end wears in the car unlocking part 53.

The above-mentioned car receiving and handle telescopic driving part 51 is shown in Figures 5 to 9, mainly a handle bottom plug 511 fixed at the end of the handle 14 and an axially penetrating guide hole 5114 is opened in the center thereof, and Make the top surface of handle bottom plug 511 accommodate an axially sliding and its rear end is connected with the above-mentioned car receiving control cable 43, and the bottom surface of handlebar bottom plug 511 is provided with an axial sliding and its rear end The handle telescopic driving block 514 connected with the above-mentioned handle telescopic control cable 44, and the detailed structure between the components are as follows:

The top surface of the handle bottom plug 511 is axially provided with a chute 5111 for the axial sliding of the vehicle driving block 512, and both side walls of the chute 5111 are provided with both a chute portion and a straight groove portion. The inclined guide groove 5115 formed by joint setting is provided with a slideway 5112 axially in the middle of the bottom surface of the handle bottom plug 511 for the axial sliding of the handle telescopic driving block 514; A radial guide groove 5113 is set at the front end, and a radial straight guide groove 5116 is provided on the two side walls of the guide groove 5113, and a telescopic positioning block 515 is set in the guide groove 5113. At the same time, both sides of the telescopic positioning block 515 of the handle are provided with convex parts 5151 to pass through the straight guide groove 5116; in addition, a plurality of positioning parts are arranged at intervals on the middle telescopic pipe frame 13 corresponding to the telescopic positioning block 515 of the handle. hole 131, so that the handle telescopic positioning block 515 can be inserted in any positioning hole 131.

Furthermore, the car receiving and driving block 512 slidingly arranged in the chute 5111 on the top surface of the bottom plug 511 of the handlebar is provided with a convex part 5121 on both sides of the front end of the bottom plug 511, which is passed through the inclined groove 5115. , and the bottom surface of the front end is protrudingly provided with a buckle portion 5122 , and a pair of springs 513 that elastically push against the car receiving and driving block 512 are provided in the chute 5111 at the rear end of the car receiving and driving block 512 .

The handle telescopic driving block 514 is provided with a groove 5141 to slide on the slideway 5112 provided on the bottom surface of the handle bottom plug 511, and the front end of the handle telescopic driving block 514 is radially provided with a notch 5142 , so that it is accommodated at the guide groove 5113 of the bottom plug 511 of the handle, and the two side walls of the notch 5142 are provided with oblique contact grooves 5143, so that the convex contact part 5151 on the telescopic positioning block 515 of the above-mentioned handle is also worn on it. The oblique contact groove 5143 .

The above-mentioned intermediate pipe unlocking part 52 is shown in Figures 10 to 12. It is mainly provided with a middle pipe bottom plug 521 which is fixed on the lower end of the middle telescopic pipe frame 13 and has an axially penetrating guide hole 5211 in its center, and makes The bottom surface of the middle tube bottom plug 521 is axially provided with a slideway 5212, and at the same time, a guide groove 5213 is radially provided at the bottom surface of the front end of the slideway 5212, and the wall surface of the guide groove 5213 is radially provided with a straight guide groove 5214, and then a guide groove 5214 is provided. The middle tube positioning block 522 is accommodated in the guide groove 5213, and the two sides of the middle tube positioning block 522 are provided with convex parts 5221 to pass through the straight guide groove 5214; an unlocking slider 523 is axially slid on On the above-mentioned slideway 5212, and between the slideway 5212 and the unlocking slider 523, a pair of springs 524 that are elastically pushed by the unlocking slider 523 are set, and at the same time, an oblique contact groove 5231 is provided on the side of the unlocking slider 523, and the above-mentioned The protrusion 5221 on the center tube positioning block 522 also passes through the inclined contact groove 5231; at the same time, a positioning hole 111 is opened on the front wheel frame 11 corresponding to the center tube positioning block 522 to allow the center tube to be positioned The block 522 can be inserted into the positioning hole 111 so that the middle telescopic pipe frame 13 can protrude outwards and be positioned.

As shown in Figures 13 to 15, the aforesaid unlocking part 53 for retracting the vehicle is provided with an inner plug seat 531 to be locked in the lower end of the front wheel frame 11, and a slot 5311 is opened in the middle of the inner plug seat 531. Furthermore, a swing block 532 with a contact portion 5321 at its upper end is pivotally fixed in the slot 5311 through a pin rod, and at the same time, a lower end of the swing block 532 is connected with a vehicle retraction unlocking cable 533, which retracts the vehicle unlocking cable 533 The other end of the rear wheel frame 12 is connected to a pivoting rear leg tube unlocking block 534 pivoted at the joint where the rear wheel frame 12 is pivoted and the front wheel frame 11 is pivoted, that is, the swing of the swing block 532 drives the locking The car unlocking cable 533 pulls the rear leg tube unlocking block 534 to swing towards the rear wheel leg frame 12, and then the rear leg tube unlocking block 534 produces a downward pressure on the elastically protruding lock block 121 on the upper end of the rear wheel leg frame 12. Retreat, so that the rear wheel leg frame 12 can freely rotate at the joint, so that the rear wheel leg frame 12 can perform the folding operation.

The telescopic unlocking pull rod part 54 mentioned above is shown in Fig. 9 and Fig. 16-17. Pull rod 541, the top surface of the upper end of the pull rod 541 is provided with a plurality of snap holes 5411 arranged at intervals, so that when the drive block 512 on the retractable driving part 51 of the retractable handlebar 51 sinks, the upper The buckle part 5122 on the bottom surface can be buckled against the buckle hole 5411 of the car; please also cooperate with that shown in FIG. In the bottom plug 521 of the middle pipe, the upper end of the unlocking pull rod 542 is also provided with a clamping part 5421 to penetrate into the guide hole 5211 at the center of the bottom plug 521 of the middle pipe, and to be locked with the lower end of the pull rod 541 for closing the car. The restraining parts 5412 are hooked against each other, and slide together with the pull rod 541 for retracting the vehicle; at the same time, as shown in Figure 15, the lower end of the pull rod 542 for retracting the vehicle is provided with a resisting push with chute 5423 in the axial direction on both sides. The part 5422 is accommodated in the accommodating groove 5311 of the aforementioned inner plug seat 531, and at the same time, the swing block 532 is accommodated in the middle of the resisting part 5422, so that the pin rod of the pivotal swing block 532 is also passed through the The sliding groove 5423 on the side of the resisting part 5422, and the resisting part 5321 on the upper end of the swing block 532 and the upper end of the resisting part 5422 are pressed together, that is, when the vehicle retracting unlocking pull rod 542 is pulled axially, it will pass through it. The resisting part 5422 pushes against the receiving part 5321 to cause the swing block 532 to swing, thereby causing the pull cable 533 to be pulled.

So as shown in Figure 18～Figure 20, through the above-mentioned car receiving and handle telescopic driving part 51 set at the handle 14 end of the handle telescopic interlocking device 5, the middle telescopic pipe frame 13 end is provided with The middle pipe unlocking part 52, the vehicle retracting unlocking part 53 set in the front wheel foot pipe frame 11, and the telescopic unlocking pull rod part installed in the front wheel foot pipe frame 11, the middle telescopic pipe frame 13 and the end of the handle 14 at the same time 54, through the turning of the turning handle 42 on the handlebar telescopic operation part 4 of the car receiving in the middle of the upper end of the handlebar, the telescopic control cable 44 of the handlebar as shown in Figure 18 and Figure 19 pulls the handlebar 14 at the end. The handle telescopic driving block 514 slides axially, so that the handle telescopic positioning block 515 provided at the end of the handle 14 is retracted into the end of the handle 14 from the positioning hole 131 originally inserted into the middle telescopic pipe frame 13, Then the handle 14 can be telescopically moved to a suitable height in the middle telescopic tube frame 13, and then when the aforementioned handle 42 is played back, the elastic pushback of the spring 516 set in the end of the handle 14 allows the handle to be telescopically driven. The block 514 returns to the original position so that the handle telescopic positioning block 515 is extended from the end of the handle 14 and inserted into the corresponding positioning hole 131, so that the purpose of the telescopic adjustment and positioning of the handle 14 is achieved, that is, the user can operate the handle 14 telescopically adjusted to the height suitable for one's own use.

In addition, as shown in Figures 21 to 25, no matter whether the above-mentioned handle 14 is adjusted to the height of any positioning hole 131 on the middle telescopic pipe frame 13 and positioned, if there is a need to collect the car, the user can 21 to 23, by pressing the closing key 41 on the retractable handle 4, the closing control cable 43 can be driven to pull the closing drive block 512 provided at the end of the handlebar 14. And slippage, make the protruding part 5121 on the drive block 512 pass along the guide slip of the inclined guide groove 5115, so that the drive block 512 sinks slightly so that the buckle part 5122 on the bottom surface is submerged in the pull rod 541 In a car receiving buckle hole 5411 provided at the corresponding position on the top, and against the end edge of the car receiving buckle hole 5411, and under the continuous pulling of the car receiving control cable 43, the car receiving pull rod 541 is driven to the Pull it back, and then make the retractable unlocking lever 542 hooked together with it also be pulled, as shown in Figure 25, the resisting part 5422 of the retractable unlocking lever 542 will push the top of the swing block 532. The receiving part 5321 makes the swinging block 532 rotate, so that the car receiving unlocking cable 533 connected below the swinging block 532 pulls the rear leg tube unlocking block 534 at the joint of the front wheel tube frame 11 to swing, so that the rear leg tube The unlocking block 534 compresses the elastically protruding locking block 121 at the upper end of the rear wheel leg frame 12 to shrink back, so that the rear wheel leg frame 12 can freely rotate at the joint and can be folded.

Simultaneously, it is also possible to turn the turning handle 42 on the telescopic operation part 4 for receiving the car and the handlebar, so that the telescopic positioning block 515 at the end of the handlebar 14 is withdrawn from the positioning hole 131 on the middle telescopic pipe frame 13 as mentioned above. Finally, as shown in Figure 26, the handle 14 is pushed downwards so that its lower end retracts to the middle tube unlocking part 52 at the end of the middle telescopic tube 13, so that the unlocking slider 523 is pushed away, so that The unlocking slider 523 slides and passes through the oblique contact groove 5231 on it, and pushes against the convex part 5221 of the center tube positioning block 522, so that the center tube positioning block 522 moves upward and retreats from the corresponding position of the front wheel foot tube frame 11 locating hole 111, so that the middle telescopic pipe frame 13 can also retreat into the front wheel foot pipe frame 11, that is, as shown in Figure 27, the rear wheel foot pipe frame 12 on the vehicle frame 1 after the car is retracted is folded inward At the same time, the middle telescopic pipe frame 13 and the handle 14 can also be shortened to the shortest state, so that the volume of the frame 1 after being retracted can be reduced to a minimum, which is beneficial to transportation and storage.

Secondly, as shown in Figure 28, the handle 14 of the vehicle frame 1 can not only be multi-stage telescopically adjusted in height, but also the handle 14 and the middle telescopic tube frame 13 can be condensed, so that the infants originally combined on it can ride. After the handle 14 is fully condensed with the middle telescopic pipe frame 13, the height of the handle 14 is not only lowered so as not to hinder the walking of people passing by the side of the infant stroller, but also the infant stroller is formed into a dining chair similar to that of a child. The function enables the user and the infant to face to face, and facilitates the care of the infant.

Claims (5)

1. A device for infants and toddlers with both telescopic and retractable handlebars. It is a frame that includes a front wheel tube frame that is pivoted and then can be unfolded and folded to lock the wheel frame. A telescopic middle telescopic pipe frame is worn on the frame, and a handle is arranged on the middle of the upper end of which is provided with a car receiving and handle telescopic operation part on the middle telescopic pipe frame, and the car receiving and handle telescopic operation part is connected It is equipped with a vehicle retraction control cable and a handle telescopic control cable, among which: The lower end of the handle is provided with a car retractable and handle telescopic driving part, which includes a car retractable driving block that is connected with the car retractable control cable and can be axially pulled and played back to make it sink, float and slide, and A handle telescopic drive block that is connected with the handle telescopic control lock and can be axially pulled, and a handle telescopic positioning block that obliquely abuts and radially slides is arranged at the corresponding position of the handle telescopic drive block, and makes The intermediate telescopic pipe frame corresponding to the telescopic positioning block of the handle is provided with any positioning hole for its insertion; The middle telescopic tube frame has an unlocking part for the middle tube at its lower end, which includes an unlocking slider that is pushed inward by the elastic force and slides axially. Pipe positioning block, and make a positioning hole for its insertion near the upper end of the front wheel leg pipe bracket corresponding to the intermediate pipe positioning block; The lower end of the front wheel frame is internally fixed with a car unlocking part that can be folded to unlock the rear wheel frame after being moved by the swing block; A telescopic unlocking rod part is also installed between the car receiving unlocking part, the intermediate pipe unlocking part and the car receiving and handle telescopic driving part. The car retracting rod, and a car retracting unlocking rod whose upper end is passed through the lower end of the middle telescopic pipe frame and can be interlocked with the lower end of the retracting rod and axially slid together, and the upper end of the retracting rod is inserted into the end of the handlebar So that it can be buckled against the heavy sliding car receiving drive block and pulled, and the lower end of the car receiving unlocking pull rod can drive the car receiving unlocking parts to move; Then, through the retractable and telescopic operation part at the upper end of the handlebar, the telescopic control cable of the handlebar is used to pull the telescopic drive block of the handlebar at the lower end of the handlebar to slide, and the telescopic positioning block of the handlebar is driven to retreat from any one of the upper ends of the middle telescopic pipe frame. In the positioning hole, the handlebar can be telescopically adjusted; at the same time, after the handle is positioned, the retractable control cable at the upper end of the handlebar and the telescopic operation part of the handlebar can be used to separately drive the retractable control cable to pull the retractable drive block in the lower end of the handlebar to sink Finally, pull the pull rod for retracting the vehicle to drive the unlocking lever for retracting the vehicle to drive the unlocking parts for retracting the vehicle so that the rear wheel frame can be folded. Push the unlocking slide block inside to drive the positioning block of the middle tube back out of the positioning hole at the upper end of the front wheel frame, so that the middle telescopic tube frame can be retracted into the front wheel frame until the frame is fully retracted. collection purpose. 2. The handlebar for infants and toddlers according to claim 1, which has both telescopic and retractable devices, is characterized in that: the side of the retractable drive block of the retractable and handlebar telescopic drive part is provided with a convex part, and the bottom surface There is a buckle part, and the end of the handle corresponding to the convex part is provided with an inclined guide groove for accommodating the convex part. The side of the telescopic fixed block of the handle at the position corresponding to the groove is provided with a convex part accommodated therein. 3. The handlebar for infants and toddlers according to claim 1, which has both telescopic and retractable devices, characterized in that: the unlocking slider of the unlocking part of the intermediate tube is provided with an oblique contact groove, and the corresponding part of the oblique contact groove The positioning block of the intermediate pipe is provided with a convex part accommodated therein. 4. The handlebar for infants and toddlers according to claim 1, which is both telescopic and retractable. A swing block whose lower end is connected with a car-retracting unlocking cable, and then the car-receiving unlocking cable is connected to a rear leg tube unlocking block provided at the upper end of the rear leg tube frame, and at the same time, the upper end of the retracting rod of the telescopic unlocking rod part A plurality of deduction parts on the bottom surface of the driving block for receiving the vehicle are spaced apart to slide into and resist any of the buckle holes for receiving the vehicle. Combined propulsion department. 5. The device for infants and toddlers with retractable and retractable handlebars according to claim 1, characterized in that: a retractable button that can be pressed is provided on the telescopic operation part of the retractable handlebar to drive the retractable handlebar. The control cable is pulled, and a turn handle that can be twisted is provided to drive the telescopic control cable of the handle to be pulled.