CN218055317U - Three-joint seat folding structure - Google Patents
Three-joint seat folding structure Download PDFInfo
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- CN218055317U CN218055317U CN202123453650.6U CN202123453650U CN218055317U CN 218055317 U CN218055317 U CN 218055317U CN 202123453650 U CN202123453650 U CN 202123453650U CN 218055317 U CN218055317 U CN 218055317U
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- joint
- seat frame
- block
- folding
- foot
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Abstract
The utility model discloses a three joint seat receive and close structure, including preceding foot joint, back foot joint, hand (hold) joint, preceding seat frame, back seat frame, switching piece, the pull rod of folding up, its characterized in that, preceding foot joint, back foot joint and hand (hold) joint pass through the mutual rotatable formula lock joint of pin rod, have preceding seat frame through the rotatable formula of pin rod butt joint on preceding foot joint, have back seat frame through the rotatable formula of pin rod butt joint on the back foot joint, preceding seat frame passes through switching piece and the butt joint of back seat frame, and the butt joint has the pull rod of folding up between switching piece and the hand (hold) joint. The utility model discloses a beneficial condition lies in: linkage folding, spacing stability, structural support is firm.
Description
Technical Field
The utility model relates to a technical field of baby's handcart, especially a structure is closed to three joint seats.
Background
Baby's handcart is liked by the consumer as present baby's instrument of riding instead of walk, and the seat direct mount on most baby's handcart on the present market does not have spacingly with the after-poppet joint, can produce in the use and rock, poor stability scheduling problem, in order to improve baby's seat stability, guarantees the stability in the joint use simultaneously, and we just need one kind to receive to close convenience, stable in structure seat joint structure.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a three-joint seat folding structure with linked folding, spacing stability and firm structure support.
In order to achieve the above purpose, the technical scheme of the utility model:
a three-joint seat folding structure comprises a front foot joint, a rear foot joint, a handle joint, a front seat frame, a rear seat frame, a switching block and a folding pull rod.
Preferably, the butt joint block on the adapter block can be in butt joint with the rotating block of the front seat frame in a rotating mode.
Preferably, the rotating block is provided with two limiting teeth, one limiting tooth is abutted against the switching block, and the other limiting tooth is abutted against a limiting rod on the switching block.
Preferably, two ends of the folding pull rod are respectively sleeved on the adapter block and the shoulder screw on the handle joint.
The utility model discloses a beneficial condition lies in: linkage folding, spacing stability, structural support is firm.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the connection structure of the front seat frame and the rear seat frame of the present invention.
Detailed Description
As shown in fig. 1 and 2, a three-joint seat folding structure includes a front foot joint 1, a rear foot joint 2, a handle joint 3, a front seat frame 4, a rear seat frame 7, a switching block 8, and a folding pull rod 11, wherein the front foot joint 1, the rear foot joint 2, and the handle joint 3 are rotatably fastened with each other through a pin, the front foot joint 1 is rotatably connected with the front seat frame 4 through the pin, the rear foot joint 2 is rotatably connected with the rear seat frame 7 through the pin, the front seat frame 4 is connected with the rear seat frame 7 through the switching block 8, and the folding pull rod 11 is connected between the switching block 8 and the handle joint 3. The butt joint block 9 on the switching block 8 can be in butt joint with the rotating block 5 of the front seat frame 4 in a rotating mode. The rotating block 5 is provided with two limiting teeth 6, one limiting tooth 6 is abutted against the transfer block 8, and the other limiting tooth 6 is abutted against a limiting rod 10 on the transfer block 8. Two ends of the folding pull rod 11 are respectively sleeved on the adapter block 8 and the shoulder screw on the handle joint 3.
The utility model discloses a preceding foot joint 1, back foot joint 2 realizes the effect of folding up through rotating on the middle part pin rod with hand (hold) joint 3, when closing the seat when closing, hand (hold) joint 3 rotates, drive pull rod 11 pulling switching piece 8 of folding up, thereby turning block 5 is rotatory on butt joint piece 9, make front seat position frame 4 fold up with back seat position frame 7 with books folding form and realize folding up, when expanding the seat, hand (hold) joint 3 rotates and pushes down the pull rod 11 of folding up, make front seat position frame 4 and back seat position frame 7 expand, two spacing teeth 6 on the turning block 5 simultaneously respectively with switching piece 8, gag lever post 10 is contradicted, realize stable in structure, do not rock in the use, can have the pulling force to switching piece 8 through folding up pull rod 11, make front seat position frame 4 and back seat position frame 7 installation stable.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A three-joint seat folding structure comprises a front foot joint (1), a rear foot joint (2), a handle joint (3), a front seat frame (4), a rear seat frame (7), a switching block (8) and a folding pull rod (11), and is characterized in that the front foot joint (1), the rear foot joint (2) and the handle joint (3) are mutually rotatably buckled through a pin rod, the front foot joint (1) is rotatably butted with the front seat frame (4) through the pin rod, the rear foot joint (2) is rotatably butted with the rear seat frame (7) through the pin rod, the front seat frame (4) is butted with the rear seat frame (7) through the switching block (8), and the folding pull rod (11) is butted between the switching block (8) and the handle joint (3).
2. The folding structure of three-joint seat as claimed in claim 1, wherein the butt-joint block (9) of the adapter block (8) is rotatably butted with the rotating block (5) of the front seat frame (4).
3. The three-joint seat folding structure as claimed in claim 2, wherein the rotating block (5) is provided with two limit teeth (6), one limit tooth (6) is abutted against the adapting block (8), and the other limit tooth (6) is abutted against a limit rod (10) on the adapting block (8).
4. The three-joint seat folding structure according to claim 1, wherein two ends of the folding pull rod (11) are respectively sleeved on the adapter block (8) and the shoulder screw on the handle joint (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123453650.6U CN218055317U (en) | 2021-12-31 | 2021-12-31 | Three-joint seat folding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123453650.6U CN218055317U (en) | 2021-12-31 | 2021-12-31 | Three-joint seat folding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218055317U true CN218055317U (en) | 2022-12-16 |
Family
ID=84411930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123453650.6U Active CN218055317U (en) | 2021-12-31 | 2021-12-31 | Three-joint seat folding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218055317U (en) |
-
2021
- 2021-12-31 CN CN202123453650.6U patent/CN218055317U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |