CN219927774U - Baby carriage frame structure - Google Patents
Baby carriage frame structure Download PDFInfo
- Publication number
- CN219927774U CN219927774U CN202321415334.6U CN202321415334U CN219927774U CN 219927774 U CN219927774 U CN 219927774U CN 202321415334 U CN202321415334 U CN 202321415334U CN 219927774 U CN219927774 U CN 219927774U
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- Prior art keywords
- joint
- joint surface
- push rod
- arc
- groove
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 12
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 230000000452 restraining effect Effects 0.000 claims description 21
- 210000002683 foot Anatomy 0.000 claims description 17
- 210000000548 hind-foot Anatomy 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 3
- 210000001364 upper extremity Anatomy 0.000 claims description 2
- 210000003108 foot joint Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004641 brain development Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model discloses a baby carriage frame structure, and belongs to the technical field of baby products. The device comprises a fixed joint seat and wheels, wherein the fixed joint seat is used for being connected with a seat; the device also comprises a push rod, a front support leg and a rear support leg; the fixed joint seat, the push rod, the front support leg and the rear support leg are hinged; the push rod comprises a push handle, an inner push tube and an outer tube; one side of the fixed joint seat is provided with two joint surfaces which are parallel to each other, and the top ends of the front support legs are fixedly arranged on the other side of the fixed joint seat; the number of the rear support legs is two, and the top end of each rear support leg is provided with a rear support leg joint surface; the joint surface of the push rod is positioned between the two joint surfaces, the two joint surfaces of the rear foot are respectively positioned at the outer sides of the corresponding joint surfaces, the central axes of the joint surfaces of the push rod, the joint surfaces and the joint surfaces of the rear foot are coincident, and the joint surfaces are hinged through a pin shaft penetrating through the central axes. The utility model has the advantages of easy folding, smoother and more reliable folding, more durable and the like.
Description
Technical Field
The utility model relates to the technical field of infant products, in particular to a frame structure of a baby carriage.
Background
The baby carriage is a tool carriage designed for providing convenience for outdoor activities of babies, and has various vehicle types, generally, the baby carriage is played by children of 1 to 2 years old, the toy carriage with wheels is played by children of 2 years old, the baby carriage brings certain benefits to the intelligence development of the children, the brain development of the children is increased, the baby carriage is a favorite walking vehicle of the babies, and the baby carriage is a necessary product for shopping with the babies on the street. The existing strollers generally comprise a stroller frame and a stroller seat frame which are connected with each other, but the folding structure of the stroller frame is complex, and the stroller frame still occupies a large space after being folded, so that the strollers are inconvenient to store and put, and are inconvenient for manufacturers to store and transport.
Disclosure of Invention
The utility model aims to provide a baby carriage frame structure which has the advantages of easy folding, smoother and more reliable folding, more durability and the like.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a frame structure of a baby carriage comprises a fixed joint seat and wheels, wherein the fixed joint seat is used for connecting a seat; the device also comprises a push rod, a front support leg and a rear support leg; the fixed joint seat, the push rod, the front support leg and the rear support leg are hinged;
the push rod comprises a push handle, an inner push tube and an outer tube; the inner pushing tube is positioned in the outer tube and can slide in the outer tube; the pushing handle is fixedly arranged at the top end of the inner pushing tube; the bottom end of the outer tube is provided with a push rod joint surface, and the push rod joint surface and the outer tube are of an integrated structure;
two joint surfaces which are parallel to each other are arranged on one side of the fixed joint seat, and the top ends of the front support legs are fixedly arranged on the other side of the fixed joint seat; the number of the rear support legs is two, and the top end of each rear support leg is provided with a rear support leg joint surface; the joint surface of the push rod is positioned between the two joint surfaces, the joint surfaces of the two rear feet are respectively positioned at the outer sides of the corresponding joint surfaces, the central axes of the joint surfaces of the push rod, the joint surfaces and the joint surfaces of the rear feet are coincident, and the two joint surfaces are hinged through a pin shaft penetrating through the central axes.
Further, the straight bore of the outer tube extends into the pushrod articular surface; the bottom of the straight hole cavity of the outer tube is provided with a sliding block, and the sliding block can slide along the central axis of the outer tube; the sliding block is provided with a long slot hole and a straight hole, wherein a penetrating locking rod and a penetrating sliding rod are respectively arranged in the long slot hole and the straight hole; a spring is also arranged in the long groove hole;
the joint surface and the hindfoot joint surface are respectively provided with an arc-shaped sliding groove and a locking groove, the circle center of the arc-shaped sliding groove is positioned on the pin shaft, and the locking grooves extend along the diameter direction of the joint surface or the hindfoot joint surface; the arc-shaped sliding groove is communicated with the locking groove, and the locking groove is positioned at the outer side of the arc-shaped sliding groove;
the joint surface of the push rod, the joint surface and the joint surface of the rear foot are in a locking state, and two ends of the sliding rod penetrate through locking grooves on two sides.
Further, the joint surface of the push rod and the joint surface are also provided with arc-shaped restraining grooves; a restraining rod is arranged between the joint surfaces of the two hind legs; the restraining rod is positioned in the arc-shaped restraining groove and can slide along the arc-shaped restraining groove; the circle center of the arc-shaped restraining groove is positioned on the pin shaft.
Further, the front support leg is provided with a pedal.
Further, a reinforced metal surface is arranged on the joint surface, and the arc-shaped sliding groove and the locking groove are arranged on the reinforcement.
The utility model has the beneficial effects that:
according to the utility model, the strength of the hinged joint surface is enhanced by arranging the reinforced metal surface, the service cycle is prolonged, and the hinge variation is more gentle; the utility model realizes the hinging through the symmetrical joint surface and the rear foot joint surface, and realizes the simultaneous folding of the two rear feet through the restraint groove and the arc-shaped restraint rod, thereby being lighter in folding.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of the rear leg in an embodiment of the present utility model;
FIG. 3 is a schematic view of the structure of the joint surface of the pushrod according to the embodiment of the utility model.
Fig. 4 is a schematic view of the structure of the front leg in the embodiment of the present utility model.
FIG. 5 is a schematic view of an exploded view of a slider according to an embodiment of the present utility model.
Fig. 6 is a schematic view of an expanded configuration of an embodiment of the present utility model.
In the figure: 1. push handle, 2, inner push tube, 3, outer tube, 4, rear foot joint surface, 5, push rod joint surface, 6, front foot, 7, joint surface, 8, rear foot, 4-1, locking groove, 4-3, arc sliding groove, 4-2, pin shaft hole, 4-4, constraint rod hole, 5-1, arc constraint groove, 7-1, locking groove, 7-2, arc sliding groove, 7-3, pin shaft hole, 7-4, arc constraint groove, 9-1, straight hole, 9-2, long groove hole, 9-3, spring, 9-4, locking rod, 9-5, sliding rod, 9-6, pin shaft hole, 10, seat.
Detailed Description
The following description of embodiments of the present utility model will be made more fully hereinafter with reference to the accompanying drawings and examples, in which embodiments, however, are shown in the drawings, in which embodiments of the utility model are shown, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
A frame structure of a baby carriage comprises a fixed joint seat and wheels, wherein the fixed joint seat is used for connecting a seat; the device also comprises a push rod, a front support leg and a rear support leg; the fixed joint seat, the push rod, the front support leg and the rear support leg are hinged;
the push rod comprises a push handle, an inner push tube and an outer tube; the inner pushing tube is positioned in the outer tube and can slide in the outer tube; the pushing handle is fixedly arranged at the top end of the inner pushing tube; the bottom end of the outer tube is provided with a push rod joint surface, and the push rod joint surface and the outer tube are of an integrated structure;
two joint surfaces which are parallel to each other are arranged on one side of the fixed joint seat, and the top ends of the front support legs are fixedly arranged on the other side of the fixed joint seat; the number of the rear support legs is two, and the top end of each rear support leg is provided with a rear support leg joint surface; the joint surface of the push rod is positioned between the two joint surfaces, the joint surfaces of the two rear feet are respectively positioned at the outer sides of the corresponding joint surfaces, the central axes of the joint surfaces of the push rod, the joint surfaces and the joint surfaces of the rear feet are coincident, and the two joint surfaces are hinged through a pin shaft penetrating through the central axes.
Further, the straight bore of the outer tube extends into the pushrod articular surface; the bottom of the straight hole cavity of the outer tube is provided with a sliding block, and the sliding block can slide along the central axis of the outer tube; the sliding block is provided with a long slot hole and a straight hole, wherein a penetrating locking rod and a penetrating sliding rod are respectively arranged in the long slot hole and the straight hole; a spring is also arranged in the long groove hole;
the joint surface and the hindfoot joint surface are respectively provided with an arc-shaped sliding groove and a locking groove, the circle center of the arc-shaped sliding groove is positioned on the pin shaft, and the locking grooves extend along the diameter direction of the joint surface or the hindfoot joint surface; the arc-shaped sliding groove is communicated with the locking groove, and the locking groove is positioned at the outer side of the arc-shaped sliding groove;
the joint surface of the push rod, the joint surface and the joint surface of the rear foot are in a locking state, and two ends of the sliding rod penetrate through locking grooves on two sides.
Further, the joint surface of the push rod and the joint surface are also provided with arc-shaped restraining grooves; a restraining rod is arranged between the joint surfaces of the two hind legs; the restraining rod is positioned in the arc-shaped restraining groove and can slide along the arc-shaped restraining groove; the circle center of the arc-shaped restraining groove is positioned on the pin shaft.
Further, the front support leg is provided with a pedal.
Further, a reinforced metal surface is arranged on the joint surface, and the arc-shaped sliding groove and the locking groove are arranged on the reinforcement.
The following is a more specific example:
referring to fig. 1, the present embodiment includes a stationary joint seat and wheels for connecting a seat;
push rod, front support leg and back support leg; the fixed joint seat, the push rod, the front support leg and the rear support leg are hinged;
wherein, the bottom end of the front support leg is divided into two sections which are respectively connected with two front foot wheels; the fixed joint seat is arranged at the top end of the front supporting leg.
The push rod comprises a push handle, an inner push tube and an outer tube; the inner pushing tube is positioned in the outer tube and can slide in the outer tube; the pushing handle is fixedly arranged at the top end of the inner pushing tube; the bottom end of the outer tube is provided with a push rod joint surface, and the push rod joint surface and the outer tube are of an integrated structure;
the push handle and the inner push tube are of an integrated structure, and a button is arranged on the push handle and used for unlocking the locking of the inner push tube and the outer tube at the longest limit position; after the button is pressed, the inner push tube can unlock the movable degree of freedom inside the outer tube, and the movable degree of freedom can be realized through various prior arts, and the part is not the key point of the patent and is not repeated.
Two joint surfaces which are parallel to each other are arranged on one side of the fixed joint seat, and the top ends of the two rear supporting legs are respectively provided with a rear foot joint surface; the joint surface of the push rod is positioned between the two joint surfaces, the two joint surfaces of the rear foot are respectively positioned at the outer sides of the corresponding joint surfaces, the central axes of the joint surfaces of the push rod, the joint surfaces and the joint surfaces of the rear foot are coincident, and the joint surfaces are hinged through a pin shaft penetrating through the central axes.
The two joint surfaces are respectively positioned at two sides of the joint surface of the push rod; the hindfoot articular surface is located on the lateral side of the corresponding articular surface.
Referring to fig. 2, locking grooves 4-1, arc-shaped sliding grooves 4-3, pin shaft holes 4-2 and constraint rod holes 4-4 are formed on the inner sides of the rear foot joint surfaces of the two rear support feet; the pin shaft hole is used for accommodating a pin shaft, and the constraint rod hole is used for accommodating a constraint rod.
Referring to FIG. 3, a schematic view of the structure of the joint surface of the push rod is shown; the joint surface of the push rod is provided with an arc-shaped restraining groove 5-1 for the penetration of the restraining rod.
Referring to fig. 4, the joint surface is provided with a locking groove 7-1 penetrating through, an arc-shaped sliding groove 7-2, a pin shaft hole 7-3 and an arc-shaped restraining groove 7-4.
Referring to fig. 5, sliding along the diameter in the outer tube direction within the pushrod joint surface; the spring 9-3 and the locking rod 9-4 are both positioned in the long slot hole 9-2, and a sliding rod is arranged in the straight hole 9-1; 9-6 are used for arranging the pin shafts. The two ends of the locking rod are fixedly arranged on the wall surface of the outer tube, and the spring is positioned between the top end of the long slot hole and the locking rod.
The following further describes the fitting relationship of the structures in this embodiment through the process of folding and unfolding with reference to fig. 6:
in the unfolded state, the pin shaft is positioned at the bottom end of the pin shaft hole 9-6; the sliding rod is positioned in the locking groove of each joint surface; the spring does not exert a force on the locking lever at this time.
When the unfolding state is changed into the folding state, the inner pushing tube moves along the outer tube to the bottom end of the outer tube, and the inner pushing tube exerts force on the top end of the sliding block, at the moment, the sliding block moves downwards, the position of the locking rod is unchanged, but the position of the locking rod in the long slot hole is changed, and the spring is contracted; in the process of downward movement of the sliding block, the sliding rod is separated from the locking groove and slides into the arc-shaped sliding groove; at this time, folding force is applied to the push rod and the rear support leg to rotate; entering a folded state; during the folding process, the restraint rod moves from one end of the arc-shaped restraint slot to the other end; the sliding rod moves from one end of the arc-shaped sliding groove to the other end.
In the unfolding process, when the sliding rod moves to the locking groove, the sliding rod automatically retracts to the locking groove by the elasticity of the spring, so that the unfolded locking is realized.
Claims (5)
1. A frame structure of a baby carriage comprises a fixed joint seat and wheels, wherein the fixed joint seat is used for connecting a seat; the novel multifunctional bicycle is characterized by further comprising a push rod, a front supporting leg and a rear supporting leg; the fixed joint seat, the push rod, the front support leg and the rear support leg are hinged;
the push rod comprises a push handle, an inner push tube and an outer tube; the inner pushing tube is positioned in the outer tube and can slide in the outer tube; the pushing handle is fixedly arranged at the top end of the inner pushing tube; the bottom end of the outer tube is provided with a push rod joint surface, and the push rod joint surface and the outer tube are of an integrated structure;
two joint surfaces which are parallel to each other are arranged on one side of the fixed joint seat, and the top ends of the front support legs are fixedly arranged on the other side of the fixed joint seat; the number of the rear support legs is two, and the top end of each rear support leg is provided with a rear support leg joint surface; the joint surface of the push rod is positioned between the two joint surfaces, the joint surfaces of the two rear feet are respectively positioned at the outer sides of the corresponding joint surfaces, the central axes of the joint surfaces of the push rod, the joint surfaces and the joint surfaces of the rear feet are coincident, and the two joint surfaces are hinged through a pin shaft penetrating through the central axes.
2. A stroller frame structure according to claim 1, wherein the straight bore cavity of the outer tube extends into the pushrod joint surface; the bottom of the straight hole cavity of the outer tube is provided with a sliding block, and the sliding block can slide along the central axis of the outer tube; the sliding block is provided with a long slot hole and a straight hole, wherein a penetrating locking rod and a penetrating sliding rod are respectively arranged in the long slot hole and the straight hole; a spring is also arranged in the long groove hole;
the joint surface and the hindfoot joint surface are respectively provided with an arc-shaped sliding groove and a locking groove, the circle center of the arc-shaped sliding groove is positioned on the pin shaft, and the locking grooves extend along the diameter direction of the joint surface or the hindfoot joint surface; the arc-shaped sliding groove is communicated with the locking groove, and the locking groove is positioned at the outer side of the arc-shaped sliding groove;
the joint surface of the push rod, the joint surface and the joint surface of the rear foot are in a locking state, and two ends of the sliding rod penetrate through locking grooves on two sides.
3. The stroller frame structure of claim 2, wherein the pushrod joint surface and the joint surface are further provided with an arc-shaped restraining groove; a restraining rod is arranged between the joint surfaces of the two hind legs; the restraining rod is positioned in the arc-shaped restraining groove and can slide along the arc-shaped restraining groove; the circle center of the arc-shaped restraining groove is positioned on the pin shaft.
4. A stroller frame structure according to claim 1, wherein the front leg is provided with a foot pedal.
5. A stroller frame structure according to claim 2, wherein the joint surface is provided with a reinforced metal surface, and the reinforcement is provided with the arc-shaped sliding groove and the locking groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321415334.6U CN219927774U (en) | 2023-06-06 | 2023-06-06 | Baby carriage frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321415334.6U CN219927774U (en) | 2023-06-06 | 2023-06-06 | Baby carriage frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219927774U true CN219927774U (en) | 2023-10-31 |
Family
ID=88488806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321415334.6U Active CN219927774U (en) | 2023-06-06 | 2023-06-06 | Baby carriage frame structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219927774U (en) |
-
2023
- 2023-06-06 CN CN202321415334.6U patent/CN219927774U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |