CN216070151U - Folding perambulator revolute joint - Google Patents
Folding perambulator revolute joint Download PDFInfo
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- CN216070151U CN216070151U CN202122170508.4U CN202122170508U CN216070151U CN 216070151 U CN216070151 U CN 216070151U CN 202122170508 U CN202122170508 U CN 202122170508U CN 216070151 U CN216070151 U CN 216070151U
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- arc
- connector
- fixed sleeve
- push rod
- shaped sliding
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Abstract
The utility model discloses a baby carriage rotating joint, and belongs to the technical field of baby products. The front foot connector is positioned between the two push rod connectors, the rear foot connector is positioned on the outer side of one push rod connector, and the four push rod connectors are tightly attached and positioned on the same central axis; the double push rods comprise two parallel telescopic rods, and each telescopic rod comprises a fixed sleeve and a lower pressing rod; the fixed sleeve is fixed at the top of the slideway blind hole and forms a straight cavity structure, and the lower pressing rod can freely move in the fixed sleeve; the lower pressure lever is connected with the fixed sleeve through a bolt structure. The folding device is simple in structure, convenient to fold, safe and efficient.
Description
Technical Field
The utility model relates to the technical field of baby products, in particular to a rotary joint of a folding baby carriage.
Background
At present, the application of the baby carriage is very wide, most of infant care families use the baby carriage to carry a baby, and particularly when the baby carriage is far away in the road, the baby carriage can be used for carrying the baby, so that much effort can be saved.
The existing baby carriage is usually foldable, but the folding structure used by the rotary joint of the baby carriage has short service life and is easy to deform, the folding position is multiple, and the folding switch is complex and unchanged in operation.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a rotary joint of a foldable stroller, which has a simple structure, is convenient to fold, and is safe and efficient.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a folding baby carriage rotary joint comprises a front foot connector, a rear foot connector, a double push rod and two push rod connectors, wherein the front foot connector is positioned between the two push rod connectors, the rear foot connector is positioned on the outer side of one push rod connector, and the four push rod connectors are tightly attached and positioned on the same central axis;
the front foot connecting piece and the rear foot connecting piece are both provided with arc-shaped sliding grooves, and both ends of each arc-shaped sliding groove are provided with locking grooves extending along the diameter direction of each arc-shaped sliding groove; the center of the arc-shaped sliding chute is positioned on the central axis; the push rod connecting pieces are provided with slideway blind holes along the diameter direction of the push rod connecting pieces, the push rod connecting pieces are also provided with elongated slots in the same direction with the central axis, and the elongated slots penetrate through the slideway blind holes; a locking pin penetrating through the whole elongated slot is arranged in the elongated slot, and sliding rods moving along the blind holes of the slide ways are all fixed with the locking pin; the locking pin can freely slide in the long groove; an elastic piece is arranged between the sliding block and the bottom of the blind hole;
the locking pins are respectively positioned in the locking grooves at the two ends of the arc-shaped sliding groove in the folded state and the unfolded state of the baby carriage; during the folding process of the baby carriage, the locking pin moves in the arc-shaped sliding groove;
the double push rods comprise two parallel telescopic rods, and each telescopic rod comprises a fixed sleeve and a lower pressing rod; the fixed sleeve is fixed at the top of the slideway blind hole and forms a straight cavity structure, and the lower pressing rod can freely move in the fixed sleeve; the lower pressure lever is connected with the fixed sleeve through a bolt structure.
Furthermore, the middle position of the arc-shaped sliding groove is also provided with a locking groove.
Furthermore, the bolt structure comprises two lock sleeves which are respectively sleeved at the top of the fixed sleeve; the two lock sleeves are fixedly connected through the pin cavity; one side of one lock sleeve on the inner wall of the bolt cavity is provided with a bolt hole and penetrates into the fixed sleeve, and a sliding block is further arranged in the bolt cavity; one side of a bolt hole of the sliding block is fixedly provided with a bayonet lock, and the other side of the bolt hole of the sliding block is provided with a first spring; under the unfolding state of the double push rods, the bayonet pins penetrate through the bolt holes and penetrate into the fixed sleeve; under the state that the double push rods are folded, the bayonet lock is positioned in the plug pin cavity, and the first spring is in a compressed state.
Further, the foot sole comprises a forefoot metal patch for enhancing the rigidity of the connector; the front leg metal patches are provided with corresponding locking grooves and arc-shaped sliding grooves; the front foot metal patch is positioned between the front foot connector and the push handle connector and is fixedly connected with the front foot connector.
The utility model adopts the technical scheme to produce the beneficial effects that:
when the folding device is used for folding, firstly, the sliding block is pushed to one side, the first spring is compressed, meanwhile, the bayonet lock is drawn out of the pin hole, the lower pressing rod is in an unlocking state at the moment, and the lower pressing rod is pressed to move along the fixed sleeve; the bottom of the lower pressure rod touches and applies pressure to the sliding rod, the elastic piece is compressed at the moment, the sliding rod drives the locking pin to move to the arc-shaped sliding groove from the locking groove, and the front foot connecting piece, the rear foot connecting piece, the push rod connecting piece and the seat supporting piece are in an unlocking state; this structure unblock mode is more stable, accomodates convenient high-efficient.
Drawings
Fig. 1 is an exploded view of the structure of an embodiment of the present invention.
Fig. 2 is an exploded view of a plug structure in an embodiment of the utility model.
Fig. 3 is a schematic view of the structure of the hindfoot link of fig. 1.
Figure 4 is a schematic diagram of the forefoot coupling of figure 1.
Fig. 5 is an exploded view of the structure of the push rod connector of fig. 1.
In the figure: 18. locking groove, 19, arc spout, 20, bolt structure, 20.1, lower compression bar locking piece, 20.2, lower compression bar pin, 20.3, bolt chamber apron, 21, back foot connecting piece, 22, push rod connecting piece, 23, preceding foot connecting piece, 24, stop pin, 25, seat support, 1, push rod, 11, fixed sleeve, 28, slider, 29, bayonet lock, 30, first spring, 22.1, slide bar, 22.2, elastic component.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
A folding perambulator rotates the joint, including forefoot connector 23 and hind foot connector 21, characterized by, also include double push rods and two push rod connectors 22, the said forefoot connector locates between two push rod connectors, the hind foot connector locates at the outside of one of them push rod connector, four are hugged closely, and locate at the same mean axis;
the front foot connecting piece and the rear foot connecting piece are both provided with arc-shaped sliding grooves 19, and the two ends of each arc-shaped sliding groove are provided with locking grooves 18 extending along the diameter direction of the arc-shaped sliding groove; the center of the arc-shaped sliding chute is positioned on the central axis; the push rod connecting pieces are provided with slideway blind holes along the diameter direction of the push rod connecting pieces, the push rod connecting pieces are also provided with elongated slots in the same direction with the central axis, and the elongated slots penetrate through the slideway blind holes; a locking pin 24 penetrating through the whole elongated slot is arranged in the elongated slot, and the sliding rods 22.1 which move along the blind holes of the slide ways are all fixed with the locking pin; the locking pin can freely slide in the long groove; an elastic part 22.2 is arranged between the slide rod and the bottom of the blind hole;
the locking pins are respectively positioned in the locking grooves at the two ends of the arc-shaped sliding groove in the folded state and the unfolded state of the baby carriage; during the folding process of the baby carriage, the locking pin moves in the arc-shaped sliding groove;
the double push rods comprise two parallel telescopic rods, and each telescopic rod comprises a fixed sleeve 11 and a lower push rod 1; the fixed sleeve is fixed at the top of the slideway blind hole and forms a straight cavity structure, and the lower pressing rod can freely move in the fixed sleeve; the lower pressure lever is connected with the fixed sleeve through a bolt structure.
Furthermore, the middle position of the arc-shaped sliding groove of the rear foot connecting piece is also provided with a locking groove.
Further, the plug pin structure 20 includes two lock sleeves respectively sleeved on the top of the fixed sleeve; the two lock sleeves are fixedly connected through the pin cavity; one side of one lock sleeve on the inner wall of the bolt cavity is provided with a bolt hole and penetrates into the fixed sleeve, and a sliding block 28 is also arranged in the bolt cavity; one side of the bolt hole of the sliding block is fixedly provided with a bayonet lock, and the other side of the bolt hole of the sliding block is provided with a first spring 30; when the double push rods are in an unfolded or folded state, the bayonet pins 29 penetrate through the bolt holes and penetrate into the fixing sleeve; in the process of folding the double push rods, the bayonet lock is positioned in the plug pin cavity, and the first spring is in a compressed state.
Further, the foot sole comprises a forefoot metal patch for enhancing the rigidity of the connector; the front leg metal patches are provided with corresponding locking grooves and arc-shaped sliding grooves; the front foot metal patch is positioned between the front foot connector and the push handle connector and is fixedly connected with the front foot connector.
The following are more specific examples:
referring to fig. 1 to 5, the present embodiment includes a front foot connector, a rear foot connector, two push rods and two push rod connectors, wherein the front foot connector is located between the two push rod connectors, the rear foot connector is located outside one of the push rod connectors, the four push rod connectors are tightly attached to each other and located on the same central axis, and the four push rod connectors can rotate relatively along the central axis.
The front foot connecting piece and the rear foot connecting piece are both provided with arc-shaped sliding grooves, and both ends of each arc-shaped sliding groove are provided with locking grooves extending along the diameter direction of the arc-shaped sliding groove; the center of the arc-shaped sliding chute is positioned on the central axis; the push rod connecting pieces are provided with slideway blind holes along the diameter direction of the push rod connecting pieces, the push rod connecting pieces are also provided with elongated slots in the same direction with the central axis, and the elongated slots penetrate through the slideway blind holes; a locking pin penetrating through the whole elongated slot is arranged in the elongated slot, and sliding rods moving along the blind holes of the slide ways are all fixed with the locking pin; the locking pin can freely slide in the long groove; an elastic piece is arranged between the sliding block and the bottom of the blind hole;
the locking pins are respectively positioned in the locking grooves at the two ends of the arc-shaped sliding groove in the folded state and the unfolded state of the baby carriage; during the folding process of the baby carriage, the locking pin moves in the arc-shaped sliding groove;
the double push rods comprise two parallel telescopic rods, and each telescopic rod comprises a fixed sleeve and a lower pressing rod; the fixed sleeve is fixed at the top of the slideway blind hole and forms a straight cavity structure, and the lower pressing rod can freely move in the fixed sleeve; the lower pressure lever is connected with the fixed sleeve through a bolt structure.
The intermediate position of the arc spout of this embodiment still is equipped with the locking groove for realize that the perambulator is half folding, convenient removal and collection. The seat support is located between the push rod link and the rear foot link. The top in bolt chamber is equipped with bolt chamber apron 20.3, and the depression bar is a sleeve likewise, and inside is equipped with depression bar locking piece 20.1, and it is fixed through depression bar pin 20.2 down, and utmost point spacing is fixed when being used for the depression bar to take out.
The bolt structure comprises two lock sleeves which are respectively sleeved at the top of the fixed sleeve; the two lock sleeves are fixedly connected through the pin cavity; one side of one lock sleeve on the inner wall of the bolt cavity is provided with a bolt hole and penetrates into the fixed sleeve, and a sliding block is further arranged in the bolt cavity; one side of a bolt hole of the sliding block is fixedly provided with a bayonet lock, and the other side of the bolt hole of the sliding block is provided with a first spring; under the unfolding state of the double push rods, the bayonet pins penetrate through the bolt holes and penetrate into the fixed sleeve; under the state that the double push rods are folded, the bayonet lock is positioned in the plug pin cavity, and the first spring is in a compressed state.
The front foot metal patch is used for enhancing the rigidity of the connecting piece, and is provided with a corresponding locking groove and an arc-shaped sliding groove; the front foot metal patch is positioned between the front foot connector and the push handle connector and is fixedly connected with the front foot connector.
The specific implementation process of the embodiment: in the unfolded state, the elastic member is in a normal state, the locking pin is located in one of the locking grooves at the two ends, and the front leg connector, the rear leg connector, the push rod connector and the seat support 25 cannot rotate relatively.
During the folding process, firstly, the sliding block is pushed to one side, the first spring is compressed, the bayonet lock is drawn out of the pin hole, the lower pressing rod is in an unlocking state at the moment, and the lower pressing rod is pressed to move along the fixed sleeve; the bottom of the lower pressure rod touches and applies pressure to the sliding rod, the elastic piece is compressed at the moment, the sliding rod drives the locking pin to move to the arc-shaped sliding groove from the locking groove, and the front foot connecting piece, the rear foot connecting piece, the push rod connecting piece and the seat supporting piece are in an unlocking state, can apply power to the front foot connecting piece and the rear foot connecting piece and rotate; when the locking pin is fixed in the middle locking groove, the baby carriage is in a semi-folding state; when the fixing pin is fixed in the locking groove at the other end, the baby carriage is in a completely folded state.
Claims (4)
1. A folding perambulator rotates the joint, including forefoot connector (23) and hind foot connector (21), characterized by, also include one pair of push rods and two push rod connectors (22), the said forefoot connector locates between two push rod connectors, the hind foot connector locates at the outside of one of them push rod connectors, four are hugged closely, and locate at the identity mean axis;
the front foot connecting piece and the rear foot connecting piece are both provided with arc-shaped sliding grooves (19), and both ends of each arc-shaped sliding groove are provided with locking grooves (18) extending along the diameter direction of each arc-shaped sliding groove; the center of the arc-shaped sliding chute is positioned on the central axis; the push rod connecting pieces are provided with slideway blind holes along the diameter direction of the push rod connecting pieces, the push rod connecting pieces are also provided with elongated slots in the same direction with the central axis, and the elongated slots penetrate through the slideway blind holes; a locking pin (24) penetrating through the whole elongated slot is arranged in the elongated slot, and sliding rods (22.1) moving along the blind holes of the slide ways are all fixed with the locking pin; the locking pin can freely slide in the long groove; an elastic piece (22.2) is arranged between the slide rod and the bottom of the blind hole;
the locking pins are respectively positioned in the locking grooves at the two ends of the arc-shaped sliding groove in the folded state and the unfolded state of the baby carriage; during the folding process of the baby carriage, the locking pin moves in the arc-shaped sliding groove;
the double push rods comprise two parallel telescopic rods, and each telescopic rod comprises a fixed sleeve (11) and a lower pressing rod (1); the fixed sleeve is fixed at the top of the slideway blind hole and forms a straight cavity structure, and the lower pressing rod can freely move in the fixed sleeve; the lower pressure lever is connected with the fixed sleeve through a bolt structure.
2. The swing joint of a foldable stroller according to claim 1, wherein the middle position of the arc-shaped sliding groove of the rear leg connecting member is further provided with a locking groove.
3. A joint according to claim 1, wherein the latch means (20) comprises two locking sleeves respectively fitted on the top of the fixed sleeve; the two lock sleeves are fixedly connected through the pin cavity; one side of one lock sleeve on the inner wall of the bolt cavity is provided with a bolt hole and penetrates into the fixed sleeve, and a sliding block (28) is also arranged in the bolt cavity; one side of the bolt hole of the sliding block is fixedly provided with a bayonet lock, and the other side of the bolt hole of the sliding block is provided with a first spring (30); when the double push rods are in an unfolded or folded state, the clamping pins (29) penetrate through the bolt holes and penetrate into the fixing sleeve; in the process of folding the double push rods, the bayonet lock is positioned in the plug pin cavity, and the first spring is in a compressed state.
4. The foldable stroller roll joint of claim 1, further comprising a forefoot metal patch for stiffening the connector; the front leg metal patches are provided with corresponding locking grooves and arc-shaped sliding grooves; the front foot metal patch is positioned between the front foot connector and the push handle connector and is fixedly connected with the front foot connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122170508.4U CN216070151U (en) | 2021-09-09 | 2021-09-09 | Folding perambulator revolute joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122170508.4U CN216070151U (en) | 2021-09-09 | 2021-09-09 | Folding perambulator revolute joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216070151U true CN216070151U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122170508.4U Active CN216070151U (en) | 2021-09-09 | 2021-09-09 | Folding perambulator revolute joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216070151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115178821A (en) * | 2022-08-20 | 2022-10-14 | 南通合强液压科技有限公司 | Hydraulic machine special for rotor welding |
-
2021
- 2021-09-09 CN CN202122170508.4U patent/CN216070151U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115178821A (en) * | 2022-08-20 | 2022-10-14 | 南通合强液压科技有限公司 | Hydraulic machine special for rotor welding |
| CN115178821B (en) * | 2022-08-20 | 2024-02-13 | 南通合强液压科技有限公司 | Special hydraulic machine for rotor welding |
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