CN210707568U - Lower rotary joint for baby stroller frame - Google Patents
Lower rotary joint for baby stroller frame Download PDFInfo
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- CN210707568U CN210707568U CN201921580524.7U CN201921580524U CN210707568U CN 210707568 U CN210707568 U CN 210707568U CN 201921580524 U CN201921580524 U CN 201921580524U CN 210707568 U CN210707568 U CN 210707568U
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- push rod
- rotating
- piece
- stroller frame
- joint
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Abstract
The utility model discloses a lower rotating joint for a baby stroller frame, which comprises a lower steel wire, a lower locking piece, and a lower push rod rotating piece, a front bracket rotating piece and a rear bracket rotating piece which are rotatably connected with each other; lower locking grooves are formed in the lower push rod rotating piece, the front support rotating piece and the rear support rotating piece, the lower locking piece is inserted into the lower locking grooves, and the lower rotating joint is locked; the lower steel wire is used for pulling the lower locking piece to be separated from the lower locking groove to unlock the lower rotating joint. The utility model realizes the locking and unlocking of the lower rotary joint through the locking piece and the lower locking groove; the baby stroller frame is stably supported through the lower push rod rotating piece, the front support rotating piece and the rear support rotating piece.
Description
Technical Field
The utility model relates to a baby's shallow technical field especially relates to a lower revolute joint for baby's shallow frame.
Background
The lower revolute joint of the stroller frame is generally used to connect the front and rear supports and the push rod of the stroller frame. The lower rotating joint plays a role in stably supporting the baby stroller frame when the baby stroller frame is unfolded; when the baby stroller frame is folded, the lower rotating joint can realize the rotating and folding of the front support, the rear support and the push rod.
The existing lower rotating joint has a complex structure, is inconvenient to unlock and has insufficient supporting stability for the baby stroller frame.
Therefore, there is a need for a lower rotary joint for a stroller frame that has a simple structure, is convenient to unlock, and can stably support the stroller frame.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a simple structure, unblock convenience and can the stable support baby push away the lower revolute joint that is used for baby's push away the frame of frame.
The utility model provides a lower rotating joint for a baby stroller frame, which comprises a lower steel wire, a lower locking piece, a lower push rod rotating piece, a front support rotating piece and a rear support rotating piece which are rotatably connected with each other;
lower locking grooves are formed in the lower push rod rotating piece, the front support rotating piece and the rear support rotating piece, the lower locking piece is inserted into the lower locking grooves, and the lower rotating joint is locked;
the lower steel wire is used for pulling the lower locking piece to be separated from the lower locking groove to unlock the lower rotating joint.
Further, the air conditioner is provided with a fan,
the lower push rod rotating part is connected with the lower end of a lower push rod of the baby stroller frame, and the lower push rod rotating part is rotatably connected with the front support rotating part through a first rotating shaft;
the front support rotating piece is connected with the upper end of a front support of the baby stroller frame, and the front support rotating piece is rotatably connected with the rear support rotating piece through a second rotating shaft;
the rear support rotating piece is connected with the upper end of the rear support of the baby stroller frame.
Furthermore, the lower push rod rotating piece comprises two fan-shaped pieces, the front support rotating piece comprises a circular piece, the lower push rod rotating piece is used for clamping the front support rotating piece in the middle and is rotatably connected with the first rotating shaft, and the lower locking groove is formed in each of the fan-shaped pieces and the circular piece.
Furthermore, the lower push rod rotating part further comprises a lower push rod sleeve, the upper end of the lower push rod sleeve is sleeved on the lower push rod, and the lower end of the lower push rod sleeve is connected with the fan-shaped piece.
Furthermore, the front support rotating part further comprises a front support inserted bar, the upper end of the front support inserted bar is connected with the circular sheet, and the lower end of the front support inserted bar is inserted into the front support.
Furthermore, the rear bracket rotating part is in a wrench shape, is inserted into the front bracket rotating part, and is rotatably connected with the front bracket rotating part through the second rotating shaft.
Furthermore, the lower rotating joint further comprises a rear fork connected with the upper end of the rear support, the lower locking groove is formed in the rear fork, and the lower push rod rotating piece, the front support rotating piece and the rear support rotating piece are clamped in the rear fork after the rear fork is installed and are rotatably connected through the second rotating shaft.
Further, the lower rotating joint further comprises a front fork connected with the upper end of the front support, the front fork clamps the lower push rod rotating piece, the front support rotating piece, the rear support rotating piece and the rear fork after being installed in the front fork, and the lower push rod rotating piece, the front support rotating piece, the rear support rotating piece and the rear fork are rotatably connected through the first rotating shaft and the second rotating shaft.
Further, the outer side face of the front fork is covered with a lower cover plate.
Furthermore, a return spring is sleeved on the lower steel wire;
when the lower steel wire is pulled upwards, the return spring is compressed;
when the pulling force of the lower steel wire is relieved, the return spring pushes the lower locking piece downwards, and the lower locking piece is inserted into the lower locking groove again.
After adopting above-mentioned technical scheme, have following beneficial effect:
the utility model realizes the locking and unlocking of the lower rotary joint through the locking piece and the lower locking groove; the baby stroller frame is stably supported through the lower push rod rotating piece, the front support rotating piece and the rear support rotating piece.
Drawings
The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:
fig. 1 is a perspective view of a baby stroller frame according to a first embodiment of the present invention in an unfolded state;
fig. 2 is a perspective view of a lower rotary joint of a stroller frame according to a first embodiment of the present invention;
fig. 3 is an exploded view of the lower rotary joint of the stroller frame in the first embodiment of the present invention from the left perspective;
fig. 4 is an exploded view of the lower rotary joint of the stroller frame in the first embodiment of the present invention from the right perspective;
FIG. 5 is a partial enlarged view of the lower rotary joint of the stroller frame according to the first embodiment of the present invention;
FIG. 6 is an enlarged partial view of the rear fork of FIG. 5 with the rear fork omitted;
FIG. 7 is a partial enlarged view of FIG. 6 with the lower push rod rotating member and the lower locking member omitted;
fig. 8 is a partially enlarged view of fig. 7 with the front bracket rotating member omitted.
Reference symbol comparison table:
the baby stroller frame 20: the device comprises an upper push rod 21, a lower push rod 22, a front support 23, a rear support 24, an upper rotating joint 25, a lower rotating joint 26 and an unlocking trigger mechanism 27;
lower revolute joint 26: a lower wire 261, a lower locking piece 262, a lower push rod rotation piece 263, a front bracket rotation piece 264, a rear bracket rotation piece 265, a first rotation shaft 266, a second rotation shaft 267, a lower locking groove 268, a lower cover plate 269, a return spring 2611, a sector piece 2631, a lower push rod sleeve 2632, a front fork 2641, a circular piece 2642, a front bracket plunger 2643, and a rear fork 2651.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
It is easily understood that, according to the technical solution of the present invention, a plurality of structural modes and implementation modes that can be mutually replaced by those of ordinary skill in the art can be achieved without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical solutions of the present invention, and should not be construed as limiting or restricting the technical solutions of the present invention in its entirety or as a limitation of the present invention.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
As shown in fig. 1, the infant stroller frame 20 includes an upper push rod 21, a lower push rod 22, a front support 23, a rear support 24, an upper rotating joint 25, a lower rotating joint 26 and an unlocking trigger mechanism 27, wherein the unlocking trigger mechanism 27 is mounted on the upper push rod 21, the lower end of the upper push rod 21 is connected with the upper end of the lower push rod 22 through the upper rotating joint 25, the lower end of the lower push rod 22 is connected with the upper ends of the front support 23 and the rear support 24 through the lower rotating joint 25, the unlocking trigger mechanism 27 is used for triggering the upper rotating joint 25 to unlock, and the lower push rod 22 is rotated to trigger the lower rotating joint 26 to unlock.
Further, as shown in fig. 2 to 8, the lower revolute joint 26 includes a lower wire 261 and a lower locking member 262, and when the upper push rod 21 is rotated, the lower wire 261 pulls the lower locking member 262 to unlock the lower revolute joint 26.
Further, the lower revolute joint 26 further includes a lower push rod rotator 263, a front carrier rotator 264 and a rear carrier rotator 265;
the lower push rod rotating part 263 is connected with the lower end of the lower push rod 22, and the lower push rod rotating part 263 is rotatably connected with the front bracket rotating part 264 through a first rotating shaft 266;
the front supporter rotating member 264 is connected to the upper end of the front supporter 23, and the front supporter rotating member 264 and the rear supporter rotating member 265 are rotatably connected by a second rotating shaft 267;
the rear bracket rotating piece 265 is connected with the upper end of the rear bracket 24;
the lower push rod rotating member 263, the front supporter rotating member 264 and the rear supporter rotating member 265 are provided with lower locking grooves 268, the lower locking member 262 is inserted into the lower locking grooves 268, and the lower rotating joint 26 is locked.
When the lower rotary joint 26 needs to be unlocked, the lower steel wire 261 is pulled, the lower steel wire 261 drives the lower locking piece 262 to be pulled out from the lower locking groove 268, and the lower push rod rotating piece 263, the front support rotating piece 264 and the rear support rotating piece 265 can rotate, so that the relative rotation among the front support 23, the rear support 24 and the lower push rod 22 is realized.
When it is necessary to lock the lower rotary joint 26 again, the lower wire 261 is released, the lower locking piece 262 is reinserted into the lower locking groove 268, the lower push rod rotary piece 263, the front supporter rotary piece 264 and the rear supporter rotary piece 265 cannot rotate, and the front supporter 23, the rear supporter 24 and the lower push rod 22 cannot rotate, so that the unfolded state of the stroller frame in fig. 1 is maintained.
Specifically, as shown in fig. 3-4, the lower push rod rotating member 263 includes two fan-shaped pieces 2631, the front bracket rotating member 264 includes a circular piece 2642, the two lower push rod rotating members 263 hold the front bracket rotating member 264 therebetween and are rotatably connected by the first rotating shaft 266, and the fan-shaped pieces 2631 and the circular piece 2641 are respectively provided with a lower locking groove 268, so as to realize the relative rotation between the lower push rod 22 and the front bracket 23.
The segment 2631 can ensure structural stability of the lower push rod rotary member 263 and prevent interference with other structures. The entire lower revolute joint 26 is circular in shape with a segment 2631 located therein as part of the lower revolute joint 26.
The circular piece 2642 of the front support pivot element 264 is connected to the circular piece 2631 via the first pivot 266 and to the rear support pivot element 265 via the second pivot 267. Thus, the design of the circular tab 2642 is more suitable for the front carriage pivot element 264.
Further, as shown in fig. 3, the lower push rod rotating part 263 further includes a lower push rod sleeve 2632, an upper end of the lower push rod sleeve 2632 is sleeved on the lower push rod 22, and a lower end of the lower push rod sleeve 2632 is connected to the segment 2631.
Each of the fan-shaped pieces 2631 is connected to a half lower push rod sleeve 2632, after the two fan-shaped pieces 2631 are overlapped, the two half lower push rod sleeves 2632 are combined into a complete circular tube and sleeved on the lower end of the lower push rod 22, and the lower push rod sleeve 2632 and the lower push rod 22 can be fixedly connected through bolts. When the lower push rod 22 rotates, the lower push rod rotating part 263 is rotated together. When the lower revolute joint 26 is locked, the push down lever 22 cannot rotate.
Further, as shown in fig. 3 to 4, the front supporter rotating member 264 further includes a front supporter insert rod 2643, an upper end of the front supporter insert rod 2643 is connected to the circular piece 2642, and a lower end of the front supporter insert rod 2643 is inserted into the front supporter 23.
The front bracket rod 2643 is fixedly connected to the front bracket 23 by a bolt, and when the front bracket 23 rotates, the front bracket rotating member 264 is driven to rotate together. When the lower revolute joint 26 is locked, the front bracket 23 cannot rotate.
As shown in fig. 7 to 8, the rear supporter rotating member 265 has a wrench shape, one end of the rear supporter rotating member 265 is inserted into the tube of the rear supporter 24, and the other end is inserted into the front supporter rotating member 264 and is rotatably connected by the second rotating shaft 267 to realize the relative rotation of the front supporter 23 and the rear supporter 24, and is rotatably connected to the front supporter rotating member 264 by the second rotating shaft 267.
As shown in fig. 3 to 5, the lower rotary joint 26 further includes a rear fork 2651 connected to the upper end of the rear bracket 24, the rear fork 2651 is provided with a lower locking groove 268, and the rear fork 2651 holds the installed lower push rod rotary member 263, the front bracket rotary member 264 and the rear bracket rotary member 265 therein and is rotatably connected by a second rotary shaft 267.
The rear fork 2651 can increase the connection stability with the rear support 24 and strengthen the support of the stroller frame.
As shown in fig. 3 to 4, the lower rotary joint 26 further includes a front fork 2641 connected to the upper end of the front bracket 23, the front fork 2641 holding therein the installed lower push rod rotary member 263, the front bracket rotary member 264, the rear bracket rotary member 265, and the rear fork 2651, and rotatably connected to the first rotary shaft 266 and the second rotary shaft 267.
The front fork 2641 increases the stability of the connection with the front frame 23, and reinforces the support of the stroller frame. Meanwhile, the front fork 2641 is also a housing of the entire lower revolute joint 26, and its main body is a circular housing.
As shown in fig. 3-4, the outer side of front fork 2641 is covered with a lower cover 269 that provides an aesthetic appearance by shielding the internal mounting structure. The lower cover 269 may be printed with a trademark or company logo.
In the lower rotating joint 26 of this embodiment, in addition to the front fork 2641, the lower push rod rotating element 263, the front bracket rotating element 264, the rear bracket rotating element 265, and the rear fork 2651 are all provided with lower locking grooves 268. The lower locking groove 268 of the lower lever rotator 263 is a long groove, the lower locking member 262 can slide up and down in the long groove, and the upper end of the lower locking member 262 is connected to the lower end of the lower wire 261. When the lower wire 261 pulls the lower locking member 262, the lower locking member 262 slides upward along the elongated slot, and is disengaged from the lower locking grooves 268 of the front bracket rotating member 264, the rear bracket rotating member 265, and the rear fork 2651, thereby unlocking the lower rotating joint 26.
Further, as shown in fig. 6, a return spring 2611 is sleeved on the lower wire 261, and when the lower wire 261 is pulled upward, the return spring 2611 is compressed. When the tension of the lower wire 261 is released, the return spring 2611 pushes the lower locking member 262 downward, and the lower locking member 262 is reinserted into the lower locking groove 268.
The lower rotary joint 26 in this embodiment can not only realize folding of the stroller, but also provide sufficient support for the front support 23, the rear support 24 and the lower push rod 22, thereby increasing the stability of the stroller in the unfolded state.
The folding process is as follows:
the lower wire 261 is pulled, and the lower wire 261 drives the lower locking member 262 to be disengaged from the lower locking groove 268.
As shown in fig. 1, the lower push rod 22 rotates downward and rearward, and the lower push rod rotating part 263 rotates downward around the first rotating shaft 266;
when the lower push rod 22 is rotated to a predetermined position, the stroller frame is lifted, the front frame 23 and the rear frame 24 naturally move closer to each other by gravity, and the front frame rotating member 264 and the front fork 2641, and the rear frame rotating member 265 and the rear fork 2651 rotate and move closer to each other with respect to the second rotating shaft 267.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (10)
1. The lower rotating joint for the baby stroller frame is characterized by comprising a lower steel wire, a lower locking piece, a lower push rod rotating piece, a front support rotating piece and a rear support rotating piece, wherein the lower push rod rotating piece, the front support rotating piece and the rear support rotating piece are rotatably connected with each other;
lower locking grooves are formed in the lower push rod rotating piece, the front support rotating piece and the rear support rotating piece, the lower locking piece is inserted into the lower locking grooves, and the lower rotating joint is locked;
the lower steel wire is used for pulling the lower locking piece to be separated from the lower locking groove to unlock the lower rotating joint.
2. Lower revolute joint for a baby stroller frame according to claim 1,
the lower push rod rotating part is connected with the lower end of a lower push rod of the baby stroller frame, and the lower push rod rotating part is rotatably connected with the front support rotating part through a first rotating shaft;
the front support rotating piece is connected with the upper end of a front support of the baby stroller frame, and the front support rotating piece is rotatably connected with the rear support rotating piece through a second rotating shaft;
the rear support rotating piece is connected with the upper end of the rear support of the baby stroller frame.
3. The lower swing joint for a stroller frame according to claim 2, wherein the lower push rod swing member comprises two sectors, the front frame swing member comprises a circular segment, the two lower push rod swing members hold a front frame swing member therebetween and are rotatably connected by the first shaft, and the lower locking groove is formed in each of the sectors and the circular segment.
4. The lower rotary joint for a stroller frame according to claim 3, wherein the lower push rod rotary member further comprises a lower push rod sleeve, an upper end of the lower push rod sleeve is sleeved on the lower push rod, and a lower end of the lower push rod sleeve is connected to the segment.
5. The lower rotary joint for a stroller frame according to claim 3, wherein the front supporter rotary member further comprises a front supporter insert rod, an upper end of which is connected to the circular plate, and a lower end of which is inserted into the front supporter.
6. The lower rotary joint for a stroller frame according to claim 2, wherein the rear support rotary member is wrench-shaped, inserted into the front support rotary member, and rotatably coupled to the front support rotary member by the second rotary shaft.
7. The lower swing joint for a stroller frame according to claim 2, further comprising a rear fork connected to an upper end of the rear frame, wherein the rear fork has the lower locking groove formed thereon, and the rear fork holds the lower push rod rotating member, the front frame rotating member and the rear frame rotating member mounted therein and is rotatably connected thereto by the second rotating shaft.
8. The lower revolute joint for a stroller frame according to claim 7, further comprising a front fork coupled to an upper end of the front support, the front fork holding the installed lower push rod rotator, the front support rotator, the rear support rotator and the rear fork therein and rotatably coupled by the first and second rotary shafts.
9. The lower revolute joint for a stroller frame according to claim 8, wherein the outer lateral surface of the front fork is covered with a lower cover plate.
10. The lower revolute joint for a stroller frame according to any one of claims 1 to 9, wherein the lower wire is sleeved with a return spring;
when the lower steel wire is pulled upwards, the return spring is compressed;
when the pulling force of the lower steel wire is relieved, the return spring pushes the lower locking piece downwards, and the lower locking piece is inserted into the lower locking groove again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921580524.7U CN210707568U (en) | 2019-09-20 | 2019-09-20 | Lower rotary joint for baby stroller frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921580524.7U CN210707568U (en) | 2019-09-20 | 2019-09-20 | Lower rotary joint for baby stroller frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210707568U true CN210707568U (en) | 2020-06-09 |
Family
ID=70965127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921580524.7U Active CN210707568U (en) | 2019-09-20 | 2019-09-20 | Lower rotary joint for baby stroller frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210707568U (en) |
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2019
- 2019-09-20 CN CN201921580524.7U patent/CN210707568U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210730 Address after: West Yorkshire Patentee after: Mamas & Papas (Holdings) Ltd. Address before: 523662 Huangfengling Industrial Park, Luoma village, Qingxi Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN JINWANG CHILDREN'S PRODUCTS Co.,Ltd. |