CN106004966A - A baby stroller folding mechanism - Google Patents

Abstract

The invention relates to the technical field of a baby carriage, and particularly discloses a baby carriage folding mechanism which comprises a first rod part, a second rod part hinged to the first rod part, and a third rod part connected to the first rod part in a sliding manner, wherein the first rod part and the second rod part are respectively provided with a first telescopic component and a second telescopic component; when the baby carriage needs to be folded, a user presses the telescopic block, the telescopic block retracts into the first rod part, the user presses the third rod part, the third rod part moves together with the first telescopic assembly to extrude the second telescopic assembly out of the first rod part, and then the first rod part is rotated to enable the first rod part and the second rod part to be folded together; the baby carriage folding device is simple in structure and operation and convenient for a user to fold the baby carriage quickly.

Description

A baby stroller folding mechanism

technical field

The invention relates to the technical field of baby carriages, and in particular discloses a folding mechanism for baby carriages.

Background technique

With the improvement of living standards, more and more families start to use baby carriages, which are mainly suitable for younger infants and young children, especially for infants and young children who have not yet been able to turn over or crawl. When the user needs to take the infant to go out to play, the infant can be placed in the stroller, so as to avoid fatigue from holding the infant all the time.

In order to facilitate the carrying of the stroller, the stroller often has a folding function. For example, when the user needs to put the stroller in the car, the stroller can be folded together, and the stroller can be unfolded after arriving at the predetermined play place. ; The folding mechanism of the existing baby carriage is relatively complicated, and the user needs to waste more time when folding the baby carriage, which is extremely inconvenient to use.

Contents of the invention

In order to overcome the disadvantages and deficiencies in the prior art, the object of the present invention is to provide a baby carriage folding mechanism, which has a simple structure and simple operation, and is convenient for users to quickly fold the baby carriage.

In order to achieve the above object, a baby stroller folding mechanism of the present invention comprises a first rod, a second rod hinged to the first rod, a third rod slidably connected to the first rod, the first The first telescopic assembly is installed on the rod, the third telescopic assembly is installed on the third rod, the second telescopic assembly is installed on the second rod, the second telescopic assembly protrudes into the first rod, and the first telescopic assembly For abutting against the second telescopic assembly, the first telescopic assembly is provided with a telescopic block for blocking the first rod.

Preferably, the first telescopic assembly further includes a first sliding rod, a first elastic member and a second elastic member, the first sliding rod is slidably connected to the first rod, and the two ends of the first elastic member abut against the first The rod part and the first sliding rod, the third rod part is installed on the first sliding rod, and the second elastic part is installed between the first sliding rod and the telescopic block.

Preferably, the first sliding rod is provided with a sliding block, and the first rod part is provided with a first sliding hole for accommodating the sliding block.

Preferably, the first rod part is further equipped with a pull button, the pull button is slidably connected to the first rod part, and the pull button abuts against the telescopic block.

Preferably, the stroller folding mechanism further includes a first joint, the first joint includes a first disc and a second disc hinged to the first disc, and the first rod and the second rod are respectively installed on the second disc. A disk, a second disk, the second telescopic assembly penetrates the second disk and protrudes into the first disk, the first telescopic assembly protrudes into the first disk and is used to abut the second telescopic assembly.

Preferably, the first disc is provided with an arc-shaped groove, the depth of both ends of the arc-shaped groove is greater than the depth of the middle part, and the second telescopic assembly is located in the arc-shaped groove.

Preferably, the second telescopic assembly includes a second sliding rod and a third elastic member, the second sliding rod is slidably connected to the second rod portion, the second sliding rod protrudes into the first rod portion, and the two ends of the third elastic member The ends abut against the second sliding rod and the second rod respectively.

Preferably, the stroller folding mechanism further includes a second joint, the second joint includes a third disc, a fourth disc and a fifth disc respectively hinged to the third disc, and the second rod is installed on the third disc. Three disks, the fourth disk is used to install the front wheel frame of the baby carriage, the fifth disk is used to install the rear wheel frame of the baby carriage, and the second telescopic assembly is provided for clamping the fourth disk and the fifth disk. The limit post of the disc.

Preferably, the fourth disc and the fifth disc are respectively located on both sides of the third disc, the second rod part is provided with a second sliding hole for accommodating a limit post, the fourth disc, the fifth disc The discs are all provided with slots, and the two ends of the limiting posts are respectively accommodated in the slots of the fourth disc and the slots of the fifth disc.

Preferably, the third disc is provided with an arc-shaped ring hole, the fourth disc is provided with a stop block, and the fifth disc is equipped with a restricting post, which penetrates the third disc and is used to abut against the stop block , the limiting column is located in the arc ring hole.

Beneficial effects of the present invention: when the stroller needs to be folded, the user presses the telescopic block, and the telescopic block retracts into the first rod, and the user then presses the third rod, and the third rod moves together with the first telescopic assembly to The second telescopic assembly extrudes the first rod, and then rotates the first rod so that the first rod and the second rod are folded together; the invention has simple structure and simple operation, and is convenient for users to quickly fold the stroller.

Description of drawings

Fig. 1 is a schematic diagram of an exploded structure of a first rod part and a second rod part of the present invention;

Fig. 2 is a schematic diagram of an exploded structure of the first rod, the third rod, the first telescopic assembly and the buckle of the present invention;

Fig. 3 is a schematic diagram of the exploded structure of the second rod part and the second telescopic assembly of the present invention;

Fig. 4 is a schematic diagram of the exploded structure of the first joint of the present invention;

FIG. 5 is a schematic diagram of the three-dimensional structure of the first disk of the present invention;

Fig. 6 is a schematic diagram of an exploded structure of a second joint of the present invention;

Fig. 7 is a schematic diagram of an exploded structure of the second joint of the present invention from another perspective.

Reference signs include:

10—the first rod part 11—the third rod part 12—the first telescopic assembly

13—Telescopic block 14—The first sliding rod 15—The first elastic member

16—Second Elastic Part 17—Slider 18—First Sliding Hole

19 - pull buckle 20—Second rod part 21—Second telescopic assembly

22—Second sliding rod 23—Third elastic member 24—Limiting post

25—the second sliding hole 3—the first joint 30—the first disc

31—Second disc 32—Arc groove 4—Second joint

40—third disc 41—fourth disc 42—fifth disc

43—Slot missing 44—arc ring hole 45—stop block

46—Constraint column.

detailed description

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the implementation modes are not intended to limit the present invention.

Please refer to Fig. 1, Fig. 2 and Fig. 3, a kind of stroller folding mechanism of the present invention, comprises the first rod part 10, the second rod part 20 hinged on the lower end of the first rod part 10, the first rod part slidably connected 10, the third rod portion 11, in this embodiment, the first rod portion 10, the second rod portion 20 and the third rod portion 11 are all hollow metal tubes, such as aluminum tubes or aluminum alloy tubes, etc., the third rod portion 11 Slide in the first rod portion 10; the first rod portion 10 is equipped with a first telescopic assembly 12, the first telescopic assembly 12 is located in the first rod portion 10, and the first telescopic assembly 12 is moved by the first rod portion 10 Protect the first telescopic assembly 12 from being damaged by external objects, and at the same time increase the overall aesthetics of the folding mechanism; the third rod 11 is installed on the first telescopic assembly 12, preferably, the first telescopic assembly 12 is close to One end of the third rod 11 is located in the third rod 11, the second rod 20 is equipped with a second telescopic assembly 21, the second telescopic assembly 21 is also located in the second rod 20, and the second telescopic assembly 21 protrudes into the first rod portion 10, the first telescopic assembly 12 is used to abut against the end of the second telescopic assembly 21 protruding into the first rod portion 10, and the first telescopic assembly 12 is provided with a function to stop the expansion and contraction of the first rod portion 10. The block 13 , in this embodiment, the telescopic block 13 protrudes out of the third rod part 11 to block the end of the first rod part 10 .

When the stroller needs to be folded, the user presses the telescopic block 13, and the telescopic block 13 shrinks inward, so that the telescopic block 13 no longer blocks the first rod 10, and the user then presses the third rod 11, so that the third rod 11 slides in the first rod part 10, since the third rod part 11 is installed on the first telescopic assembly 12, the third rod part 11 slides together with the first telescopic assembly 12 when sliding, so that the first telescopic assembly 12 is The second telescopic assembly 21 can be extruded out of the first rod 10. After the second telescopic assembly 21 withdraws from the first rod 10, the second telescopic assembly 21 will no longer lock the first rod 10, and the user can Turning the first rod 10 makes the first rod 10 and the second rod 20 fold together; the present invention has simple structure and simple operation, and is convenient for the user to quickly fold the stroller.

The first telescopic assembly 12 also includes a first sliding rod 14, a first elastic member 15 and a second elastic member 16, the first sliding rod 14 is slidably connected in the first rod portion 10, and the two ends of the first elastic member 15 They abut on the first rod part 10 and the first sliding rod 14 respectively, the third rod part 11 is installed on the first sliding rod 14, and the second elastic member 16 is installed on the first sliding rod 14 and the telescopic block 13. Between, in this embodiment, both the first elastic member 15 and the second elastic member 16 are springs.

When the user presses the telescopic block 13, the telescopic block 13 retracts inwards and compresses the second elastic member 16 so that the length of the second elastic member 16 is shortened, and the telescopic block 13 no longer stops the first rod after retracting. 10. The user presses the third rod 11 to move the first sliding rod 14 and push the second telescopic assembly 21 out of the first rod 10. During the movement of the first sliding rod 14, the first sliding rod 14 squeezes out Pressing the first elastic member 15 shortens the length of the first elastic member 15 . After the first rod part 10 rotates relative to the second rod part 20, the second telescopic assembly 21 abuts on the surface of the first rod part 10 and cannot protrude into the first rod part 10. At this time, the user can The third rod part 11 is released, and then the first elastic member 15 drives the first slide bar 14 to return to its original position under the action of elastic force, and the second elastic member 16 returns to the original position together with the telescopic block 13 under the action of elasticity.

The first slide bar 14 is provided with a slide block 17. In this embodiment, the slide block 17 and the first slide bar 14 are of a split design. After the first slide bar 14 and the slide block 17 are formed separately, the first The slide bar 14 and the slide block 17 are assembled together, of course, according to actual needs, the first slide bar 14 and the slide block 17 can also be integrally formed, and the first rod portion 10 is provided with a first slide hole for accommodating the slide block 17 18. After the stroller is stretched out, the slide block 17 is located at one end of the first slide hole 18, and when the first slide bar 14 slides in the first bar portion 10 and the second telescopic assembly 21 is squeezed out of the first bar portion 10, the sliding The block 17 slides to the other end of the first sliding hole 18 . By adding the sliding block 17 and the first sliding hole 18, the first sliding rod 14 is prevented from protruding into the second rod part 20 and then jamming the second rod part 20, causing the first rod part 10 and the second rod part 20 to be abnormal. fold.

The first rod part 10 is also equipped with a pull button 19 , which is slidably connected to the first rod part 10 , and the pull button 19 abuts against the telescopic block 13 . In this embodiment, a jacket is installed on the first rod part 10, and the jacket is provided with a chute, and the pull button 19 is slidably connected in the chute, and the pull button 19 is provided with a relief groove. When the baby carriage is stretched out, the first The two elastic members 16 support the telescopic block 13 so that the telescopic block 13 snaps into the relief slot to prevent the telescopic block 13 from falling off. When the first rod part 10 and the second rod part 20 need to be folded, the user pulls the pull button 19, and the pull button 19 squeezes the telescopic block 13 during the movement so that the telescopic block 13 shrinks inwardly. The user only needs to pull the pull button 19 to fold the first rod part 10 and the second rod part 20 , so that the folding of the stroller is simpler and labor-saving.

Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the baby carriage folding mechanism also includes a first joint 3, and the first joint 3 includes a first disc 30 and a hinge hinged on the first disc 30 The second disc 31, the first rod 10 is installed on the first disc 30, the second rod 20 is installed on the second disc 31, the second telescopic assembly 21 penetrates the second disc 31 and protrudes Into the first disc 30 , the first telescopic assembly 12 protrudes into the first disc 30 and is used to abut against the second telescopic assembly 21 . When the user needs to fold the first rod part 10 and the second rod part 20, the user first presses the third rod part 11 so that the third rod part 11 moves together with the first sliding rod 14 and then pushes the second telescopic assembly 21 out of the first a disc 30 , and then rotate the first rod 10 together with the first disc 30 relative to the second disc 31 , so as to realize the folding of the first rod 10 and the second rod 20 .

The first disk 30 is provided with an arc groove 32, the depth of the two ends of the arc groove 32 is greater than the depth of the middle part, that is, the depth of the arc groove 32 changes from one end of the arc groove 32 to the other end. Smaller and larger, the second telescopic assembly 21 is located in the arc-shaped groove 32 . When the stroller is stretched out, the second telescopic assembly 21 is located at one end of the arc-shaped groove 32, and because the depth of one end of the arc-shaped groove 32 is deeper, the second telescopic assembly 21 will be stuck in one end of the arc-shaped groove 32 , to prevent the first pole part 10 and the second pole part 20 from being folded together due to inadvertent touch or vibration. After the stroller is folded, the second telescopic assembly 21 is located at the other end of the arc-shaped groove 32. Since the other end of the arc-shaped groove 32 is also deeper, the second telescopic assembly 21 will be stuck in the arc-shaped groove 32. The other end of the first rod 10 and the second rod 20 are prevented from stretching due to inadvertent touch or vibration.

The second telescopic assembly 21 includes a second sliding rod 22 and a third elastic member 23, the second sliding rod 22 is slidably connected to the second rod part 20, and the second sliding rod 22 protrudes into the arc of the first disc 30 In one end of the groove 32, two ends of the third elastic member 23 abut against the second slide bar 22 and the second rod portion 20 respectively. Preferably, the third elastic member 23 is a spring. When the third rod 11 moves together with the first slide rod 14, the first slide rod 14 squeezes the second slide rod 22 so that the second slide rod 22 withdraws from the first disc 30, after which the first rod 10 and the first rod can be folded together. The second rod portion 20 . In the process that the second slide bar 22 withdraws from the first disk 30, the second slide bar 22 squeezes the third elastic member 23 so that the length of the third elastic member 23 is shortened. After the folding is completed, the third elastic member 23 drives the second slide bar 22 to return to its original position under the action of elasticity and then protrudes into the other end of the arc-shaped groove 32 of the first disc 30 to prevent it from being touched or vibrated accidentally. As a result, the first rod portion 10 and the second rod portion 20 are stretched.

Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 6 and Fig. 7, the baby stroller folding mechanism also includes a second joint 4, in this embodiment, the first joint 3 and the second joint 4 are respectively located on the second rod 20, the second joint 4 includes a third disc 40, a fourth disc 41 and a fifth disc 42 respectively hinged on the third disc 40, and the second rod 20 is mounted on the third disc 40. 40, the fourth disk 41 is used to install the front wheel frame of the baby carriage, the fifth disk 42 is used to install the rear wheel frame of the baby carriage, and the second telescopic assembly 21 is provided with the fourth disk 41 for clamping. And the limiting column 24 of the fifth disk 42 , the limiting column 24 is installed on the second slide bar 22 .

After the stroller is stretched out, the stop post 24 clamps the fourth disc 41 and the fifth disc 42 to ensure that the front wheel frame installed on the fourth disc 41 and the front wheel frame installed on the fifth disc 42 The rear wheel carrier won't fold from bumps or shocks. After the first slide bar 14 squeezes the second slide bar 22 out of the first disc 30, the second slide bar 22 squeezes the third elastic member 23 so that the third elastic member 23 is in a compressed state, and at this time the second slide bar 22 Together with the limit post 24, the fourth disc 41 and the fifth disc 42 are withdrawn, and the limit post 24 no longer blocks the fourth disc 41 and the fifth disc 42; the user rotates the first rod part 10 and the first disc Disk 30, so that the first rod 10 and the first disc 30 rotate through a predetermined angle, at this time ensure that the second slide bar 22 abuts against the middle part of the arc-shaped groove 32 of the first disc 30, and ensure that the third elastic member 23 has been in a compressed state, and then the user turns the fourth disc 41 so that the front wheel frame mounted on the fourth disc 41 is folded on the second rod 20, and then turns the fifth disc 42 so that it is installed on the fifth The rear wheel frame on the disc 42 is folded on the second rod part 20 , and then the user continues to turn the first rod part 10 until the first rod part 10 is folded on the second rod part 20 . After the first rod part 10 is folded on the second rod part 20, the third elastic member 23 returns to its original position together with the second slide rod 22 under the action of elastic force. Five discs 42 prevent the front wheel frame and the rear wheel frame from stretching due to inadvertent touch or vibration.

In this embodiment, the fourth disk 41 and the fifth disk 42 are respectively located on the left and right sides of the third disk 40, and when the fourth disk 41 and the fifth disk 42 rotate, it is prevented The front wheel frame on the four discs 41 collides with the rear wheel frame installed on the fifth disc 42; When the slide bar 22 moves with the limit column 24, the limit column 24 can move from one end of the second sliding hole 25 to the other end, preventing the limit column 24 from moving excessively; the fourth disc 41 and the fifth disc 42 are both Be provided with missing groove 43, one end of limit post 24 is arranged in the missing groove 43 of the 4th disc 41, and the other end of limit post 24 is arranged in the missing groove 43 of the 5th disc 42, when the second When the sliding rod 22 moves together with the limit post 24, the two ends of the limit post 24 are respectively moved out from the corresponding slots 43, and then the fourth disc 41 and the fifth disc 42 are released, so that the limit post 24 is no longer stuck. Hold the fourth disc 41 and the fifth disc 42 , so that the user can fold the front wheel frame installed on the fourth disc 41 and the rear wheel frame installed on the fifth disc 42 .

The third disc 40 is provided with an arc-shaped ring hole 44, the fourth disc 41 is provided with a stop block 45, and the fifth disc 42 is provided with a restricting column 46, which penetrates the third disc 40 and is used for Abutting against the stop block 45 , the limiting column 46 is located in the arc-shaped annular hole 44 . After the stroller is stretched out, the limiting column 46 abuts against the stop block 45, and now the limiting column 46 is located at one end of the arc-shaped ring hole 44, and the limit column 46 is blocked by the stop block 45 and the inner wall of the arc-shaped ring hole 44. , prevent the angle between the front wheel frame installed on the fourth disc 41 and the rear wheel frame installed on the fifth disc 42 from being too large. After the fourth disc 41 and the fifth disc 42 are folded, the limiting column 46 is separated from the stop block 45, and the limiting column 46 is located at the other end of the arc-shaped ring hole 44, and the inner wall of the other end of the arc-shaped ring hole 44 is used to resist Connect the limiting column 46 to prevent the limiting column 46 from turning excessively.

The above content is only a preferred embodiment of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. limits.

Claims (10)

1. a folding of baby mechanism, the the second bar portion including the first bar portion, being articulated with the first bar portion, the 3rd bar portion being slidably connected to the first bar portion, it is characterized in that: described first bar portion is equiped with the first telescopic component, 3rd bar portion is installed in the first telescopic component, second bar portion is equiped with the second telescopic component, second telescopic component protrudes in the first bar portion, and the first telescopic component is for abutting the second telescopic component, and the first telescopic component is provided with the telescopic block for block the first bar portion.

Folding of baby mechanism the most according to claim 1, it is characterized in that: described first telescopic component also includes the first slide bar, the first elastic component and the second elastic component, first sliding bar is connected to the first bar portion, the two ends of the first elastic component abut the first bar portion and the first slide bar respectively, 3rd bar portion is installed in the first slide bar, and the second elastic component is installed between the first slide bar and telescopic block.

Folding of baby mechanism the most according to claim 2, it is characterised in that: described first slide bar is provided with slide block, and the first bar portion is provided with the first slide opening for being installed with slide block.

Folding of baby mechanism the most according to claim 1, it is characterised in that: described first bar portion is also equiped with pulling buckle, and pulling buckle is slidably connected to the first bar portion, and pulling buckle is connected to telescopic block.

Folding of baby mechanism the most according to claim 1, it is characterized in that: described folding of baby mechanism also includes the first joint, first joint includes the first disk and is articulated with the second disk of the first disk, first bar portion, the second bar portion are installed in the first disk, the second disk respectively, second telescopic component runs through the second disk and protrudes in the first disk, in the first telescopic component protrudes into the first disk and for abutting the second telescopic component.

Folding of baby mechanism the most according to claim 5, it is characterised in that: described first disk is provided with arc groove, and the degree of depth at arc groove two ends is more than the degree of depth of middle part, and the second telescopic component is positioned at arc groove.

Folding of baby mechanism the most according to claim 1, it is characterized in that: described second telescopic component includes the second slide bar and the 3rd elastic component, second sliding bar is connected to the second bar portion, second slide bar protrudes in the first bar portion, and the two ends of the 3rd elastic component are connected to the second slide bar and the second bar portion respectively.

Folding of baby mechanism the most according to claim 1, it is characterized in that: described folding of baby mechanism also includes second joint, second joint includes the 3rd disk, be hingedly connected to the 3rd disk the 4th disk and the 5th disk, second bar portion is installed in the 3rd disk, 4th disk is for installing the front wheel carrier of stroller, 5th disk is for installing the rear wheel frame of stroller, and the second telescopic component is provided with and sets the 4th disk and the limited post of the 5th disk for card.

Folding of baby mechanism the most according to claim 8, it is characterized in that: described 4th disk, the 5th disk lay respectively at the both sides of the 3rd disk, second bar portion is provided with the second slide opening for being installed with limited post, 4th disk, the 5th disk are equipped with short slot, in the two ends of limited post are located in the short slot of the 4th disk respectively and in the short slot of the 5th disk.

Folding of baby mechanism the most according to claim 9, it is characterized in that: described 3rd disk is provided with arc annular distance, and the 4th disk is provided with stop block, and the 5th disk is equiped with restriction post, limit post and run through the 3rd disk and for abutting stop block, limit post and be positioned at arc annular distance.