CN219601353U - Rotating mechanism of folding seat - Google Patents
Rotating mechanism of folding seat Download PDFInfo
- Publication number
- CN219601353U CN219601353U CN202320391498.3U CN202320391498U CN219601353U CN 219601353 U CN219601353 U CN 219601353U CN 202320391498 U CN202320391498 U CN 202320391498U CN 219601353 U CN219601353 U CN 219601353U
- Authority
- CN
- China
- Prior art keywords
- joint surface
- groove
- locking
- seat
- sliding block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000013011 mating Effects 0.000 claims description 3
- 230000000452 restraining effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Landscapes
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model discloses a rotating mechanism of a folding seat, and belongs to the technical field of strollers. The device comprises a grab bar, a sitting bar, a sliding block, locking teeth and a matched joint surface; the right surface of the joint surface of the sitting rod is provided with a locking groove and a sliding groove, wherein the extending direction of the sliding groove is perpendicular to the central axis of the joint surface of the sitting rod; the sliding block is positioned in the sliding groove and moves along the extending direction of the sliding groove; the right side of the sliding block is provided with a convex inclined surface; the locking teeth are positioned in the handrail constraint ring, and the central axes of the locking teeth and the handrail constraint ring are coincident; the left side of the locking tooth is provided with an inclined groove for matching with the inclined surface; the left side of the joint surface is provided with a central shaft and a constraint groove, and the locking teeth can move left and right in the constraint groove along the central axis of the joint surface; a spring is also arranged between the right side of the locking tooth and the bottom of the restraining groove. The folding seat is stable after being unfolded, can be movably connected with the frame through the joint surface, and can be independently used for indoor or in-car functions.
Description
Technical Field
The utility model relates to the technical field of strollers, in particular to a rotating mechanism of a folding seat.
Background
Infant tools such as infant chairs and strollers have good application in the daily life of nurturing infants, and such infant products on the market have many different types of products according to the functional division thereof, wherein the foldable strollers are very popular with consumers. The foldable baby carriage can usually fold and store the carriage, a rotary folding mechanism of a seat of the conventional baby carriage is linked with the carriage, the seat is folded along with the carriage, and the seats before and after folding cannot be independently taken off from the carriage; in a room or in a car, it is difficult to achieve the goal of taking care of an infant with an infant seat alone.
Disclosure of Invention
In view of the above-mentioned problems in the prior art, the present utility model provides a rotating mechanism of a folding seat. The device has the advantages of being detachable from the frame, simple and efficient in linkage and the like.
The technical scheme of the utility model is realized in such a way,
a rotating mechanism of a folding seat comprises a grab bar and a sitting bar for supporting a seat surface; the folding seat also comprises a sliding block, locking teeth and a matched joint surface for connecting the folding seat to the frame;
the central axes of the sitting rod joint surface at the tail end of the sitting rod, the handrail constraint ring at the tail end of the handrail rod and the matched joint surface are overlapped, and the sitting rod joint surface, the handrail constraint ring and the matched joint surface are sequentially arranged from left to right;
the right surface of the seat rod joint surface is provided with a locking groove and a sliding groove, wherein the extending direction of the sliding groove is perpendicular to the central axis of the seat rod joint surface; the sliding block is positioned in the sliding groove and moves along the extending direction of the sliding groove; the right side of the sliding block is provided with a convex inclined surface;
the locking teeth are positioned in the handrail constraint ring, and the central axes of the locking teeth and the handrail constraint ring are coincident; the left side of the locking tooth is provided with an inclined groove for matching with the inclined surface; the left side of the matched joint surface is provided with a central shaft and a constraint groove, and the locking teeth can move left and right in the constraint groove along the central axis of the matched joint surface; a spring is further arranged between the right side of the locking tooth and the bottom of the constraint groove;
in the unfolded state of the seat, the locking teeth are partially positioned in the locking grooves and partially positioned in the locking grooves; the inclined surface of the sliding block is positioned in the inclined groove of the locking tooth;
in the folded state of the seat, the left side of the locking tooth is completely separated from the locking groove, the spring is in a compressed state, and the inclined surface part of the sliding block is separated from the inclined groove of the locking tooth.
Further, the top of the sliding block penetrates through the top of the joint surface of the sitting rod and exposes a part of the sliding block.
Further, the device also comprises a rotating wheel, gear teeth and a backrest rod for supporting the backrest; the tail end of the backrest rod is provided with a backrest joint surface; the top end of the sitting rod joint surface is also provided with a second joint surface for connecting a backrest rod; the second joint surface is tightly attached to the backrest joint surface and is connected with a bearing, and the central axes of the second joint surface and the backrest joint surface are coincident; a gear tooth slot is arranged on the right side of the second joint surface;
an outer side groove and an inner side arc-shaped inclined plane are formed in the left side of the backrest joint surface; the gear teeth are restrained in the gear tooth grooves, and a second spring is arranged between the left side of the gear teeth and the gear tooth grooves; an arc-shaped inner chute is arranged on the periphery of the rotating wheel; the rotating wheel is positioned at the inner side of the second joint surface, and the inner arc inclined surface is matched with the arc inner chute;
in the unfolded state of the seat, the left part of the gear teeth is positioned in the gear tooth groove, and the right part of the gear teeth is positioned in the outer side groove of the backrest joint surface; the inner arc inclined plane is positioned in an arc inner chute of the rotating wheel;
in the folded state of the seat, the gear teeth are completely positioned in the gear tooth grooves, and the left side of the rotating wheel is propped against the right side of the gear teeth; the second spring is in a compressed state; the outer side of the backrest joint surface is propped against the exposed part of the sliding block; the inner arcuate ramp portion is positioned in the arcuate inner chute.
Furthermore, the left side of the joint surface is also provided with an annular bulge, the annular bulge is clung to the inner side of the handrail constraint ring, and the annular bulge and the handrail constraint ring are in bearing connection.
Further, two inclined planes are arranged on the right side of the sliding block, and the directions of the two inclined planes are the same; and a long hole for the central shaft to pass through is arranged between the two inclined planes.
Further, a pull hole is formed in the rotating wheel, and a pull wire is arranged in the pull hole; and pulling force is applied to the pull wire, and the rotating wheel rotates.
Compared with the prior art, the utility model has the advantages that:
the folding seat is stable after being unfolded, can be movably connected with the frame through the joint surface, and can be independently used for indoor or in-car functions.
Drawings
Fig. 1 is a schematic diagram of an explosion structure according to an embodiment of the present utility model.
Fig. 2 is a schematic exploded view of a portion of a joint according to an embodiment of the present utility model.
Fig. 3 is an expanded state of an embodiment of the present utility model.
Fig. 4 is a semi-folded state of an embodiment of the present utility model.
Fig. 5 is a folded state of an embodiment of the present utility model.
FIG. 6 is a schematic view of a slider according to an embodiment of the present utility model.
Fig. 7 is a left side schematic view of the backrest joint surface in an embodiment of the utility model.
Fig. 8 is a schematic structural view of a wheel according to an embodiment of the present utility model.
Fig. 9 is a left side structural view of the locking tooth in the embodiment of the present utility model.
Fig. 10 is a schematic view of the configuration of mating joint surfaces in an embodiment of the utility model.
In the figure: 1. the seat rod, 2, the sliding block, 3, the locking tooth, 4, the handrail constraint ring, 5, the matched joint surface, 6, the backrest joint surface, 7, the gear tooth, 8, the second spring, 9, the second joint surface, 10, the rotating wheel, 11, the seat rod joint surface, 12, the handrail rod, 13, the backrest rod, 201, the inclined surface, 601, the outer side groove, 602, the inner side arc inclined surface, 10-1, the arc inner inclined groove, 301, the inclined groove, 501 and the locking groove.
Detailed Description
The utility model will now be described in detail with reference to the drawings and specific examples.
Referring to fig. 1 and 2, the present embodiment includes a grab bar and a seat bar for supporting a seat surface; the folding seat also comprises a sliding block, locking teeth and a matched joint surface for connecting the folding seat to the frame;
the central axes of the sitting rod joint surface at the tail end of the sitting rod, the handrail constraint ring at the tail end of the handrail rod and the matched joint surface are overlapped, and the sitting rod joint surface, the handrail constraint ring and the matched joint surface are sequentially arranged from left to right; the configuration of the mating articular surfaces is shown in fig. 10.
The right surface of the seat rod joint surface is provided with a locking groove and a sliding groove, wherein the extending direction of the sliding groove is perpendicular to the central axis of the seat rod joint surface; the sliding block is positioned in the sliding groove and moves along the extending direction of the sliding groove; the right side of the sliding block is provided with a convex inclined surface;
the locking teeth are positioned in the handrail constraint ring, and the central axes of the locking teeth and the handrail constraint ring are coincident; the left side of the locking tooth is provided with an inclined groove for matching with the inclined surface; the left side of the matched joint surface is provided with a central shaft and a constraint groove, and the locking teeth can move left and right in the constraint groove along the central axis of the matched joint surface; a spring is further arranged between the right side of the locking tooth and the bottom of the constraint groove; the structure of the locking tooth is shown in fig. 9.
The top of the sliding block penetrates through the top of the joint surface of the sitting rod and exposes a part of the sliding block. The specific structure of the slider is shown in fig. 6.
The backrest also comprises a rotating wheel, gear teeth and a backrest rod for supporting the backrest; the tail end of the backrest rod is provided with a backrest joint surface; the top end of the sitting rod joint surface is also provided with a second joint surface for connecting a backrest rod; the second joint surface is tightly attached to the backrest joint surface and is connected with a bearing, and the central axes of the second joint surface and the backrest joint surface are coincident; a gear tooth slot is arranged on the right side of the second joint surface; the structure of the wheel is shown in fig. 8.
An outer side groove and an inner side arc-shaped inclined plane are formed in the left side of the backrest joint surface; the gear teeth are restrained in the gear tooth grooves, and a second spring is arranged between the left side of the gear teeth and the gear tooth grooves; an arc-shaped inner chute is arranged on the periphery of the rotating wheel; the rotating wheel is positioned at the inner side of the second joint surface, and the inner arc inclined surface is matched with the arc inner chute; the specific structure of the back joint is shown in fig. 7.
The left side of the joint surface is also provided with an annular bulge, the annular bulge is clung to the inner side of the handrail constraint ring, and the annular bulge and the handrail constraint ring are in bearing connection.
The right side of the sliding block is provided with two inclined planes, and the directions of the two inclined planes are the same; and a long hole for the central shaft to pass through is arranged between the two inclined planes.
A pulling hole is formed in the rotating wheel, and a pulling wire is arranged in the pulling hole; and pulling force is applied to the pull wire, and the rotating wheel rotates.
In the unfolded state of the seat, the seat bar, the grab bar and the backrest bar are positioned as shown in fig. 3, and the locking teeth are positioned in the locking grooves partially and partially; the inclined surface of the sliding block is positioned in the inclined groove of the locking tooth; the left part of the gear teeth is positioned in the gear tooth groove, and the right part of the gear teeth is positioned in the outer side groove of the joint surface of the backrest; the inner arc inclined plane is completely positioned in the arc inner chute of the rotating wheel.
In the folded state of the seat, the positions of the seat rod, the grab rail and the backrest rod are as shown in fig. 5, the gear teeth are completely positioned in the gear tooth grooves, and the left side of the rotating wheel is propped against the right side of the gear teeth; the second spring is in a compressed state; the outer side of the backrest joint surface is propped against the exposed part of the sliding block and applies pressure to the sliding block; the inner arcuate ramp portion is positioned in the arcuate inner chute. The left side of the locking tooth is completely separated from the locking groove, the spring is in a compressed state, and the inclined surface part of the sliding block is separated from the inclined groove of the locking tooth;
during folding, refer to the positions of the sitting bar, grab bar and backrest bar in fig. 4; the stay wire is pulled first, so that the rotating wheel rotates along the central axis of the backrest joint surface, the arc-shaped inner chute of the rotating wheel and the inner arc-shaped inclined surface of the backrest joint surface are displaced relatively, at the moment, the rotating wheel can move leftwards, the gear teeth are pressed to be separated from the outer grooves and completely enter the gear tooth grooves, and the second spring is compressed. When the gear teeth completely enter the gear tooth grooves, the backrest rod is rotated, and the peripheral side of the outer surface of the backrest joint surface at the tail end of the backrest rod can apply pressure on the sliding block which moves downwards along the sliding groove; the sliding block moves downwards along the sliding groove, the inclined surface of the sliding block and the inclined groove on the left side of the locking tooth are relatively displaced, the locking tooth moves to the right side, and after the sliding block is completely separated from the locking groove, the locking of the joint surface of the seat rod and the joint surface is unlocked, and the seat rod is rotated or the joint surface is matched to realize folding.
The above is merely an embodiment of the present utility model, but the present utility model is not limited to the embodiment. Various equivalent modifications and substitutions may be made by those skilled in the art without departing from the spirit and principles of the present utility model, and these are intended to be included within the scope of the present utility model as defined in the appended claims.
Claims (6)
1. A rotating mechanism of a folding seat comprises a grab bar and a sitting bar for supporting a seat surface; the folding seat is characterized by further comprising a sliding block, locking teeth and a matched joint surface for connecting the folding seat to the frame;
the central axes of the sitting rod joint surface at the tail end of the sitting rod, the handrail constraint ring at the tail end of the handrail rod and the matched joint surface are overlapped, and the sitting rod joint surface, the handrail constraint ring and the matched joint surface are sequentially arranged from left to right;
the right surface of the seat rod joint surface is provided with a locking groove and a sliding groove, wherein the extending direction of the sliding groove is perpendicular to the central axis of the seat rod joint surface; the sliding block is positioned in the sliding groove and moves along the extending direction of the sliding groove; the right side of the sliding block is provided with a convex inclined surface;
the locking teeth are positioned in the handrail constraint ring, and the central axes of the locking teeth and the handrail constraint ring are coincident; the left side of the locking tooth is provided with an inclined groove for matching with the inclined surface; the left side of the matched joint surface is provided with a central shaft and a constraint groove, and the locking teeth can move left and right in the constraint groove along the central axis of the matched joint surface; a spring is further arranged between the right side of the locking tooth and the bottom of the constraint groove;
in the unfolded state of the seat, the locking teeth are partially positioned in the locking grooves and partially positioned in the locking grooves; the inclined surface of the sliding block is positioned in the inclined groove of the locking tooth;
in the folded state of the seat, the left side of the locking tooth is completely separated from the locking groove, the spring is in a compressed state, and the inclined surface of the sliding block is separated from the inclined groove of the locking tooth.
2. The folding seat swivel mechanism of claim 1 wherein the top of the slider extends through the top of the seat post joint surface and exposes a portion thereof.
3. The folding seat rotating mechanism according to claim 2, further comprising a wheel, teeth, a back bar for supporting a back; the tail end of the backrest rod is provided with a backrest joint surface; the top end of the sitting rod joint surface is also provided with a second joint surface for connecting a backrest rod; the second joint surface is tightly attached to the backrest joint surface and is connected with a bearing, and the central axes of the second joint surface and the backrest joint surface are coincident; a gear tooth slot is arranged on the right side of the second joint surface;
an outer side groove and an inner side arc-shaped inclined plane are formed in the left side of the backrest joint surface; the gear teeth are restrained in the gear tooth grooves, and a second spring is arranged between the left side of the gear teeth and the gear tooth grooves; an arc-shaped inner chute is arranged on the periphery of the rotating wheel; the rotating wheel is positioned at the inner side of the second joint surface, and the inner arc inclined surface is matched with the arc inner chute;
in the unfolded state of the seat, the left part of the gear teeth is positioned in the gear tooth groove, and the right part of the gear teeth is positioned in the outer side groove of the backrest joint surface; the inner arc inclined plane is positioned in an arc inner chute of the rotating wheel;
in the folded state of the seat, the gear teeth are completely positioned in the gear tooth grooves, and the left side of the rotating wheel is propped against the right side of the gear teeth; the second spring is in a compressed state; the outer side of the backrest joint surface is propped against the exposed part of the sliding block; the inner arcuate ramp portion is positioned in the arcuate inner chute.
4. The folding seat swivel mechanism of claim 1 wherein the left side of the mating joint surface is further provided with an annular protrusion that is in close contact with the inner side of the armrest confinement ring and bearing-coupled thereto.
5. The rotating mechanism of a folding seat according to claim 1, wherein two inclined surfaces are arranged on the right side of the sliding block, and the two inclined surfaces face the same direction; and a long hole for the central shaft to pass through is arranged between the two inclined planes.
6. A rotary mechanism for a folding seat according to claim 3, wherein the rotating wheel is provided with a pulling hole, and a pulling wire is arranged in the pulling hole; and pulling force is applied to the pull wire, and the rotating wheel rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320391498.3U CN219601353U (en) | 2023-03-06 | 2023-03-06 | Rotating mechanism of folding seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320391498.3U CN219601353U (en) | 2023-03-06 | 2023-03-06 | Rotating mechanism of folding seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219601353U true CN219601353U (en) | 2023-08-29 |
Family
ID=87744921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320391498.3U Active CN219601353U (en) | 2023-03-06 | 2023-03-06 | Rotating mechanism of folding seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219601353U (en) |
-
2023
- 2023-03-06 CN CN202320391498.3U patent/CN219601353U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6964429B2 (en) | Stroller | |
| KR102165079B1 (en) | stroller | |
| CN207697788U (en) | Cradle head and children trolley with it | |
| CN211663321U (en) | Baby carriage with adjustable gears of seat backrest group and foldable armrests | |
| CN219601353U (en) | Rotating mechanism of folding seat | |
| CN110775137A (en) | Children's seat pocket and children's shallow | |
| CN114228817A (en) | Folding joint mechanism of stroller and stroller with folding joint mechanism | |
| CN216102332U (en) | Folding linkage unlocking frame folding baby carriage with seat folding | |
| CN216140044U (en) | Rotary joint and stroller comprising same | |
| CN212332756U (en) | Children's barrow | |
| CN212332757U (en) | Foldable standing children's carriage | |
| CN113147879A (en) | Foldable seat frame for baby carriage | |
| CN209454828U (en) | Stroller seat | |
| CN219467827U (en) | Child seat pocket and child cart with same | |
| CN216636594U (en) | Rotary connecting mechanism and children article with same | |
| CN213649704U (en) | Easy folding baby carriage | |
| CN208602554U (en) | Stroller seat pocket and stroller | |
| CN213083283U (en) | Convenient folding seat for child trolley | |
| CN113276925B (en) | Children article | |
| CN220924243U (en) | Child cart | |
| CN111361624A (en) | Linkage unlocking child stroller | |
| CN107776641B (en) | Cart frame | |
| US20220153330A1 (en) | Armrest folding mechanism and baby carriage | |
| CN213649702U (en) | Linkage folding seat pocket | |
| CN220549094U (en) | Child cart |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240416 Address after: No. 022, Team 02, Dongpu Village, Fengjiazhai Township, Guangzong County, Xingtai City, Hebei Province, 054600 Patentee after: Liu Shenghui Country or region after: China Address before: 050200 No. 022, Team 02, Dongpu Village, Fengjiazhai Township, Guangzong County, Xingtai City, Hebei Province Patentee before: Xu Suying Country or region before: China |
|
| TR01 | Transfer of patent right |