CN110104105B - Form-quickly changeable baby carriage - Google Patents
Form-quickly changeable baby carriage Download PDFInfo
- Publication number
- CN110104105B CN110104105B CN201910490871.9A CN201910490871A CN110104105B CN 110104105 B CN110104105 B CN 110104105B CN 201910490871 A CN201910490871 A CN 201910490871A CN 110104105 B CN110104105 B CN 110104105B
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- fork
- face
- quick
- stroller according
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- 230000008859 change Effects 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000007704 transition Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K13/00—Cycles convertible to, or transformable into, other types of cycles or land vehicle
- B62K13/04—Cycles convertible to, or transformable into, other types of cycles or land vehicle to a tricycle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K9/00—Children's cycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K9/00—Children's cycles
- B62K9/02—Tricycles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
- Handcart (AREA)
Abstract
The invention relates to the technical field of strollers, and particularly discloses a form-quickly-changeable type stroller, which at least comprises a frame, wherein the front end of the frame is connected with a front fork, the upper end of the front fork is connected with a handlebar, the lower end of the front fork is connected with a front wheel, a saddle is arranged on the frame, the rear end of the frame is provided with a rear fork, two sides of the rear fork are provided with fork shafts which are symmetrical to each other, the form-quickly-changeable type stroller further comprises two rear wheels which are respectively arranged on the fork shafts on the two sides of the rear fork, and the two rear wheels have two installation states: the front end face is in a relative installation state and the rear end face is in a relative installation state. The baby carrier with the structure is connected between the rear wheel and the fork shaft through the quick-mounting mechanism, and can be quickly switched between two states, so that the baby carrier is various in structural change form, interesting is increased, and the baby carrier can be used for a longer time along with the growth of children.
Description
Technical Field
The invention relates to the technical field of baby carriages, in particular to a form-quickly-changeable baby carriage.
Background
In the prior art, a baby carrier for children about 1 to 3 years old has a frame, a saddle, a handlebar and front and rear wheels similar to a bicycle, and is different from a common bicycle in that the baby carrier does not have structures such as pedals, chain wheels, transmission chains and the like. After the child rides on the baby carrier, the child can continuously pedal backwards through two feet to realize the forward movement of the baby carrier.
In the prior art, the front wheel and the rear wheel of the baby carrier are respectively provided with one, and the baby carrier does not have other changeable forms and has single structural function. As children age, substantially over 3 years of age, this type of stroller is no longer used.
Disclosure of Invention
The invention aims to solve the technical problem that the structural form of the baby carriage in the prior art is single and unchangeable.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a form can change formula bassinet fast, includes the frame at least, the front end of frame is connected with the front fork, the upper end of front fork is connected with the handlebar, the lower extreme of front fork is connected with the front wheel, be equipped with the saddle on the frame, the rear end of frame is equipped with the rear fork, the both sides of rear fork are equipped with the fork axle of mutual symmetry, still include two rear wheels of installing respectively on the fork axle of rear fork both sides, the rear wheel includes preceding terminal surface and rear end face, the diameter of preceding terminal surface is greater than the diameter of rear end face, be equipped with between preceding terminal surface and the rear end face and be close to the landing section of preceding terminal surface one side and lie in the changeover portion between landing section and the rear end face, wherein the diameter of changeover portion becomes gradually from landing section to rear end face; the center of the rear wheel is provided with a shaft hole which axially penetrates through the rear wheel, and a forward mounting groove and a reverse mounting groove are arranged in the shaft hole side by side; the fork shaft is connected with a forward mounting groove or a reverse mounting groove of the rear wheel through a quick-mounting mechanism; the two rear wheels have two mounting states: the front end face is in a relative installation state and the rear end face is in a relative installation state.
In a preferred embodiment, a containing cavity is arranged in the fork shaft, the containing cavity is opened at the free end of the fork shaft, at least two axially extending long grooves are uniformly distributed on the cavity wall of the containing cavity along the circumferential direction, and the long grooves are opened at the end face of the free end of the fork shaft.
The quick-mounting mechanism at least comprises an elastic arm, wherein the elastic arm is arranged in the long groove, one end of the elastic arm is fixedly connected with the bottom of the long groove, an inner convex part is arranged at the free end of the elastic arm in a protruding mode in the radial direction inwards, an outer convex clamping block is arranged at the free end of the elastic arm in a protruding mode in the radial direction outwards, the outer diameter of the outer convex clamping block is larger than the inner diameter of a shaft hole of the rear wheel, and the outer convex clamping block is provided with a clamping face facing to one side of the rear fork and a guide face extending from the maximum outer diameter of the outer convex clamping block to one side far away from the rear fork and gradually shrinking in diameter.
The preferred embodiment further comprises a disassembly button, wherein the disassembly button is provided with a button barrel body used for being inserted into the accommodating cavity, clamping grooves with the number and positions corresponding to the elastic arms one by one are formed in the barrel wall of the button barrel body along the circumferential direction, and the width of each clamping groove is matched with the corresponding inner protruding portion, and the inner protruding portion is located in the corresponding clamping groove.
In a preferred embodiment, a spring is arranged between the disassembly button and the bottom of the accommodating cavity.
In a preferred embodiment, the free end of the button barrel is provided with a ledge for securing a spring.
In a preferred embodiment, pedal mounting holes are formed in two sides of the front wheel.
In a preferred embodiment, the two sides of the rear wheel are provided with sinking grooves.
A preferred embodiment further comprises a buckle closure adapted to the sink.
In a preferred embodiment, an elastic washer is further arranged between the disassembly button and the fork shaft.
The form of the embodiment can be quickly changed, and the stroller has the following intentional technical effects:
(1) Two rear wheels are symmetrically arranged on two sides of the rear fork, and the rear wheels are provided with two mounting positions of a forward mounting groove and a reverse mounting groove, so that the front mounting and the reverse mounting can be realized;
(2) In the state that the front end surfaces of the two rear wheels are oppositely arranged, the two rear wheels can be regarded as one rear wheel due to the fact that the distance between the landing sections of the two rear wheels is close, in this state, the baby carrier is equivalent to a two-wheel vehicle, and after a child rides on the two-wheel baby carrier, the child can continuously pedal backwards through two feet to realize the forward movement of the baby carrier;
(3) In the state that the rear end surfaces of the rear wheels are oppositely arranged, as the respective transition sections are spaced between the landing sections of the two rear wheels, the distance between the landing sections of the two rear wheels is larger, in the state, the baby carrier is equivalent to a tricycle with two rear wheels and a front wheel, and in the state, after a child rides on the baby carrier, the baby carrier cannot fall down even if two feet are separated from the ground;
(4) The rear wheel is connected with the fork shaft through the quick-mounting mechanism, and can be rapidly switched between two states, so that the baby carrier has various structural change forms, the interestingness is increased, and the baby carrier can be used for a longer time along with the growth of children.
Drawings
Fig. 1 is a schematic view showing the structure of a quick-change stroller according to the present embodiment in a state in which front end surfaces of two rear wheels are mounted to each other;
fig. 2 is a schematic structural view of the present embodiment in a state in which rear end surfaces of two rear wheels of a quick-change stroller are mounted to each other;
FIG. 3 is a schematic view showing an exploded state structure of a rear wheel mounting position of a stroller with a quick change in shape according to the present embodiment;
fig. 4 is a schematic structural view of the rear wheel of the present embodiment;
FIG. 5 is a schematic view of the structure of the rear fork and the fork shaft according to the present embodiment;
FIG. 6 is a schematic diagram of the structure of the detachable button in the present embodiment;
FIG. 7 is a schematic view showing an exploded state of the rear face side of the rear wheel and the buckle cover in the present embodiment;
FIG. 8 is a schematic view showing an exploded state of the front face side of the rear wheel and the buckle cover in the present embodiment;
fig. 9 is a schematic sectional view of the front end surfaces of two rear wheels in the present embodiment in a state of being mounted opposite to each other;
fig. 10 is a schematic sectional view of the rear end surfaces of the two rear wheels in the present embodiment in a state of being mounted opposite to each other.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, integrally connected, or detachably connected; may be a communication between the interiors of two elements; may be directly or indirectly through an intermediate medium, and the specific meaning of the terms in the present invention will be understood by those skilled in the art in specific cases.
As shown in fig. 1-2, a quick-change stroller in this embodiment includes a frame 10, a front fork 20 is connected to a front end of the frame 10, a handlebar 30 is connected to an upper end of the front fork 20, and a front wheel 40 is connected to a lower end of the front fork 20. Wherein a seat 11 is provided on the frame 10 near the rear end, and a rear fork 60 is provided on the rear end of the frame 10.
As the greatest improvement of the present embodiment, as shown in fig. 5, two sides of the rear fork 60 are provided with fork shafts 61 symmetrical to each other, and the interior of the fork shafts 61 is provided with a receiving cavity 62, and the receiving cavity 62 is opened at the free end of the fork shafts 61.
In this embodiment, the fork shafts 61 are used for mounting the rear wheels 50, and a pair of fork shafts are respectively mounted with one rear wheel 50. The fork shaft is provided with a quick-mounting mechanism for mounting the rear wheel, and for this purpose, the cavity wall of the accommodating cavity 62 is uniformly provided with at least two axially extending long grooves 63 along the circumferential direction, and the long grooves 63 are open on the free end face of the fork shaft. Preferably, the number of elongated grooves 63 in this embodiment is four.
Further, the quick-mounting mechanism in this embodiment includes an elastic arm 64, where the elastic arm 64 is disposed in the long groove 63, and one end of the elastic arm 64 is fixedly connected to a bottom of the long groove 63, an inner protrusion 68 protrudes inward in a radial direction of a free end of the elastic arm 64, and an outer protrusion 65 protrudes outward in a radial direction of the free end of the elastic arm 64.
As shown in fig. 4, the rear wheel 50 connected to the fork shaft by the quick-mounting mechanism in the present embodiment includes a front end surface 51 and a rear end surface 52, wherein the front end surface 51 has a larger diameter than the rear end surface 52, and a land section 53 near the front end surface 51 side and a transition section 54 between the land section 53 and the rear end surface 52 are provided between the front end surface 51 and the rear end surface 52. The diameter of the transition section 54 gradually decreases from the land 53 toward the rear end face.
In this embodiment, the center of the rear wheel 50 is provided with a shaft hole 55 penetrating through the rear wheel in the axial direction, and as the biggest improvement of this embodiment, the shaft hole 55 is provided with a forward mounting groove 56 and a reverse mounting groove 57 side by side. Wherein the fork shaft can be connected with the forward mounting groove or the reverse mounting groove of the rear wheel through the quick-mounting mechanism.
The outer diameter of the protruding clamping block 65 of the quick assembly mechanism is larger than the inner diameter of the shaft hole of the rear wheel 50, and the protruding clamping block 65 is provided with a clamping surface 66 facing to one side of the rear fork and a guiding surface 67 extending from the maximum outer diameter of the protruding clamping block to one side far away from the rear fork and gradually reducing in diameter.
In the installation process, the shaft hole of the rear wheel is inserted on the fork shaft, the maximum outer diameter of the convex clamping block is contacted with the inner wall of the shaft hole, the elastic arm is bent inwards, and in the insertion process, after the convex clamping block enters the forward installation groove or the reverse installation groove, the elastic arm is restored to a natural state, and at the moment, the convex clamping block limits the rear wheel on the fork shaft, so that quick installation is realized. Wherein the guiding surface is used for guiding the elastic arm to deform during the insertion process, so that the insertion is easier.
In this embodiment, as shown in fig. 3 and 6, the detachable button 70 is further included, the detachable button 70 is provided with a button cylinder 71 for being inserted into the accommodating cavity, the cylinder wall of the button cylinder 71 is provided with a plurality of clamping grooves 72 corresponding to the elastic arms one by one in number and position along the circumferential direction, the width of the clamping grooves 72 is matched with the inner protruding portions 68, and the inner protruding portions are located in the clamping grooves.
As shown in fig. 9 and 10, when the rear wheel needs to be detached, only the detachment button 70 needs to be pressed, the bottom of the clamping groove 72 directly acts on the inner convex portion 68 to drive the elastic arm to bend and deform inwards until the outer convex clamping block 65 is separated from the forward mounting groove or the reverse mounting groove, and at the moment, no clamping device is arranged between the rear wheel and the fork shaft, so that the rear wheel can be easily pulled out from the fork shaft. The disassembly button with the structure has a simple structure, so that the disassembly of the wheel is more convenient and rapid. The guide surface is arranged, so that the convex clamping block is prevented from interfering with the forward mounting groove or the reverse mounting groove in the bending deformation process of the elastic arm.
Preferably, in order to keep the disassembly button in a certain position, a spring 80 is provided between the disassembly button and the bottom of the accommodating chamber. And, the free end of the button cylinder is provided with a convex edge 73 for fixing the spring.
In this embodiment, as shown in fig. 3-4 and 7-8, the two sides of the rear wheel are provided with a sinking groove 58, and an adaptive buckle cover 59 is installed in the sinking groove 58 to cover the dismounting button in the axle hole of the rear wheel. The anti-false trigger device has the advantages of attractive appearance and preventing false triggering of the disassembly and assembly buttons.
As shown in fig. 3 and 7-8, an elastic washer 90 is further arranged between the disassembly button and the fork shaft to limit and seal the disassembly button.
In this embodiment, the rear wheel of the stroller has two mounting conditions: namely, the front end face-to-mounted state shown in fig. 1 and 9 and the rear end face-to-mounted state shown in fig. 2 and 10. The state shown in fig. 1 and 9 corresponds to a two-wheeled vehicle, and the state shown in fig. 2 and 10 corresponds to a three-wheeled vehicle.
Preferably, pedal mounting holes 41 are provided on both sides of the front wheel as shown in fig. 1, and pedals 42 are mounted in the pedal mounting holes 41 in the tricycle state shown in fig. 2, so that the stroller can be moved forward by stepping on the pedals.
In summary, the foregoing description is only of the preferred embodiments of the invention, and is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (10)
1. The form of the quick-change baby carrier at least comprises a frame (10), wherein the front end of the frame is connected with a front fork (20), the upper end of the front fork is connected with a handlebar (30), the lower end of the front fork is connected with a front wheel (40), a saddle is arranged on the frame, and the rear end of the frame is provided with a rear fork (60), the quick-change baby carrier is characterized in that two symmetrical fork shafts (61) are arranged on two sides of the rear fork, the quick-change baby carrier also comprises two rear wheels (50) which are respectively arranged on the fork shafts on two sides of the rear fork, the rear wheels comprise a front end face (51) and a rear end face (52), the diameter of the front end face is larger than that of the rear end face, a landing section (53) close to one side of the front end face and a transition section (54) positioned between the landing section and the rear end face are arranged between the front end face and the rear end face, and the straight diameter of the transition section is gradually reduced from the landing section to the rear end face; the center of the rear wheel is provided with a shaft hole (55) axially penetrating through the rear wheel, and a forward mounting groove (56) and a reverse mounting groove (57) are arranged in the shaft hole side by side; the fork shaft is connected with a forward mounting groove (56) or a reverse mounting groove (57) of the rear wheel through a quick-mounting mechanism; the two rear wheels have two mounting states: the front end face is in a relative installation state and the rear end face is in a relative installation state.
2. A quick change stroller according to claim 1, characterized in that the fork shaft is provided with a receiving chamber (62) inside, the receiving chamber being open at the free end of the fork shaft, the wall of the receiving chamber being provided with at least two axially extending slots (63) uniformly distributed in the circumferential direction, the slots being open at the free end face of the fork shaft.
3. The quick-change stroller according to claim 2, wherein the quick-change mechanism comprises at least an elastic arm (64) disposed in the elongated slot, one end of the elastic arm is fixedly connected to a bottom of the elongated slot, an inner protrusion (68) protrudes radially inward from a free end of the elastic arm, an outer protrusion (65) protrudes radially outward from the free end of the elastic arm, an outer diameter of the outer protrusion is larger than an inner diameter of a shaft hole of the rear wheel, and the outer protrusion is provided with a clamping surface (66) facing the rear fork and a guide surface (67) extending from a maximum outer diameter of the outer protrusion toward a side away from the rear fork and having a gradually reduced diameter.
4. A quick change stroller according to claim 3, further comprising a disassembly button (70) provided with a button cylinder (71) for insertion into the receiving cavity (62), wherein the wall of the button cylinder is provided with a plurality of slots (72) corresponding to the elastic arms in number and position in the circumferential direction, and the width of each slot is adapted to the width of each inner protrusion and the inner protrusions are located in the slots.
5. A quick change stroller according to claim 4, characterized in that a spring (80) is provided between the dismounting button and the bottom of the receiving cavity.
6. A quick change stroller according to claim 5, characterized in that the free end of the button barrel is provided with a flange (73) for securing the spring.
7. A quick change stroller according to any of claims 1-6, characterized in that pedal mounting holes (41) are provided on both sides of the front wheel.
8. A quick change stroller according to any of claims 1-6, characterized in that the rear wheels are provided with countersinks (58) on both sides.
9. A form quick change stroller according to claim 8, further comprising a buckle cover (59) adapted to said sink.
10. A quick change stroller according to any of the claims 4-6, characterized in that an elastic washer (90) is further arranged between the dismounting button and the fork shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490871.9A CN110104105B (en) | 2019-06-06 | 2019-06-06 | Form-quickly changeable baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490871.9A CN110104105B (en) | 2019-06-06 | 2019-06-06 | Form-quickly changeable baby carriage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110104105A CN110104105A (en) | 2019-08-09 |
| CN110104105B true CN110104105B (en) | 2023-12-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910490871.9A Active CN110104105B (en) | 2019-06-06 | 2019-06-06 | Form-quickly changeable baby carriage |
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| Country | Link |
|---|---|
| CN (1) | CN110104105B (en) |
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