CN110861696A - Children's handcart of convertible front wheel subassembly - Google Patents
Children's handcart of convertible front wheel subassembly Download PDFInfo
- Publication number
- CN110861696A CN110861696A CN201911169662.0A CN201911169662A CN110861696A CN 110861696 A CN110861696 A CN 110861696A CN 201911169662 A CN201911169662 A CN 201911169662A CN 110861696 A CN110861696 A CN 110861696A
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- Prior art keywords
- wheel assembly
- wheel
- double
- clamping groove
- fixed
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- 238000003780 insertion Methods 0.000 claims description 28
- 230000037431 insertion Effects 0.000 claims description 28
- 230000009977 dual effect Effects 0.000 description 5
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/12—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor convertible, e.g. into children's furniture or toy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/10—Perambulator bodies; Equipment therefor
- B62B9/12—Perambulator bodies; Equipment therefor involving parts that are adjustable, attachable or detachable
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Handcart (AREA)
Abstract
The invention provides a children handcart with convertible front wheel components, belonging to the technical field of children carts, comprising a frame body, a front wheel bracket arranged at the front end of the frame body, a fixed seat, a fixed inserting pipe, a single-wheel component fixing device, a double-wheel component fixing device and wheel components, the fixed seat is fixed on the front wheel bracket through two fixed pins, two ends of the fixed seat are fixed cannula joints, a single-wheel component fixing device is also arranged in the middle of the fixing seat, a double-wheel component fixing device is arranged at one end far away from the mouth of the fixed cannula, the wheel component comprises a wheel, a wheel fork for fixing the wheel, and a vertical shaft fixed above the wheel fork, one end of the vertical shaft close to the wheel fork is provided with a vertical shaft clamping groove, can realize the interconversion of same vehicle tricycle children handcart and four-wheel children handcart, the whole car is dual-purpose, has satisfied the demand that the consumer possess tricycle and four-wheel children handcart simultaneously.
Description
Technical Field
The invention belongs to the technical field of baby carriers, and particularly relates to a child stroller with a changeable front wheel assembly.
Background
Children's handcart among the prior art is mostly tricycle or four-wheel, and tricycle children's handcart has the use flexibility, and four-wheel handcart has stability in use, and tricycle and four-wheel have respective advantage in different service environment, and the consumer can purchase tricycle and four-wheel handcart simultaneously and use in order to be equipped with different environment, and children's handcart general volume is great moreover, not only occupies great space indoor, also portable during the trip.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a child stroller with a convertible front wheel assembly, namely a child stroller with three wheels and four wheels capable of being randomly converted, which specifically adopts the following technical scheme:
a child trolley with a changeable front wheel assembly comprises a trolley frame body, a front wheel support arranged at the front end of the trolley frame body, a fixed seat, a fixed insertion pipe, a single wheel assembly fixing device, a double wheel assembly fixing device and a wheel assembly, wherein the fixed seat is fixed on the front wheel support through two fixing pins; a single-wheel assembly fixing device is further arranged in the middle of the fixing seat and comprises a single-wheel assembly jack, a single-wheel assembly vertical shaft clamping groove fixing piece and a single-wheel assembly return spring which is connected with the single-wheel assembly vertical shaft clamping groove fixing piece in parallel, and a single-wheel assembly fixing cover fixes the single-wheel assembly vertical shaft clamping groove fixing piece and the single-wheel assembly return spring in the single-wheel assembly fixing device; a plug clamping groove II and a button corresponding to the plug clamping groove II are arranged on the side wall of one end, close to the pipe orifice, of the fixed insertion pipe, a double-wheel assembly fixing device is arranged at one end, far away from the pipe orifice, of the fixed insertion pipe, the double-wheel assembly fixing device comprises double-wheel assembly insertion holes, a double-wheel assembly vertical shaft clamping groove fixing piece and a double-wheel assembly return spring arranged in parallel with the double-wheel assembly vertical shaft clamping groove fixing piece are arranged at the lower end of each double-wheel assembly insertion hole, and the double-wheel assembly vertical shaft clamping groove fixing piece and the double-wheel assembly return spring are fixed in the double-wheel assembly fixing device through a double; the wheel assembly comprises a wheel, a wheel fork for fixing the wheel and a vertical shaft fixed above the wheel fork, wherein a vertical shaft clamping groove is formed in one end, close to the wheel fork, of the vertical shaft.
Preferably, a round hole corresponding to the single-wheel assembly jack is formed in the middle of the single-wheel assembly clamping groove fixing sheet.
Preferably, a round hole corresponding to the jack of the double-wheel assembly is formed in the middle of the clamping groove fixing sheet of the double-wheel assembly.
Compared with the prior art, the invention has the following beneficial effects: through the conversion to double round subassembly and single round subassembly, realize the interconversion of same vehicle tricycle children handcart and four-wheel children handcart, when using, can carry out random conversion according to consumer's needs, the whole car is dual-purpose, conveniently carries when going on a journey very much, has saved indoor usage space again, has satisfied the demand that the consumer possess tricycle and four-wheel children handcart simultaneously.
Drawings
FIG. 1-1 is a schematic structural view of a body frame of the present invention, and FIG. 1-2 is a right side view of the present invention;
FIG. 2 is a schematic view of a structure of a fixing base and a fixing cannula according to the present invention, which is a sectional view taken along line A-A in FIGS. 1-2;
FIG. 3 is a schematic view of a fixed cannula fitting configuration of the present invention;
FIG. 4 is a schematic view of the fixing base and the fixing cannula of the present invention, i.e., a schematic view of the fixing cannula inserted into the fixing cannula joint, as shown in the cross-sectional view E-E of FIGS. 1-2;
FIG. 5 is a schematic view of the wheel assembly of the present invention;
FIG. 6 is a schematic view of a single wheel assembly fixture according to the present invention;
FIG. 7 is an enlarged view of the single wheel assembly fixture and the double wheel assembly fixture of the present invention, taken along the line B- -B of FIG. 1-1;
FIG. 8 is a schematic view of a connection structure between a fixing device and a fixing seat of a dual wheel assembly of the present invention;
fig. 9 is a sectional view of the connection between the fixing device and the fixing base of the dual wheel assembly of the present invention, which is a sectional view taken along line D-D in fig. 1-1.
FIG. 1-1 and FIG. 1-2: 1: a frame body; 2: a front wheel bracket; 3: a fixed seat;
FIG. 2: 2-1, fixing the cannula joint; 2-2: a reinforcement tube; 2-3: locking the card; 2-5: a plug card slot; 6: fixing pin
FIG. 3: 3-1: a button; 3-2: a plug clamping groove II; 3-3: a dual wheel assembly jack; 3-4: the double-wheel set vertical shaft clamping groove fixing sheet; 3-5: a dual wheel assembly return spring; 3-6: a dual wheel assembly securing cover; 3-7 double-wheel component fixing device
FIG. 4: 3: a fixed seat; 4: fixing the cannula; 2-1: fixing the cannula joint; (ii) a 2-2: a reinforcement tube; 2-3: locking the card; 2-4: a return spring; 2-5: a plug card slot; 3-1: a button; 3-2: a plug clamping groove II; 3-3: double-wheel assembly jack
FIG. 5: 5: a wheel assembly; 5-1: wheel: 5-2: a wheel fork; 5-3: a vertical shaft; 5-4: vertical shaft clamping groove
FIG. 6: 6: a single-wheel assembly fixture; 6-1: single round subassembly jack: 6-2: the single wheel group sets up axle card groove stationary blade: 6-3: a single wheel assembly return spring; 6-4: a single wheel assembly securing cover; 3: a fixed seat;
FIG. 7: 7: a circular hole; 3-4(6-2): a double-wheel vertical shaft clamping groove fixing sheet; 3-5(6-3): double-wheel assembly return spring
FIG. 8: 2: a front wheel bracket; 3: a fixed seat; 6: a fixing pin; 2-2: a reinforcement tube; 2-3: locking the card; 2-5: a plug card; 2-1: fixing the cannula joint; 5: a wheel assembly; 3-7 double-wheel component fixing device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A child trolley with changeable front wheel assemblies comprises a trolley frame body 1, a front wheel support 2 arranged at the front end of the trolley frame body 1, a fixed seat 3, a fixed insertion tube 4 and a wheel assembly 5, wherein the fixed seat 3 is fixed on the front wheel support 2 through two fixed pins 6, two ends of the fixed seat 3 are fixed insertion tube joints 2-1, the fixed insertion tube joints 2-1 comprise reinforcing tubes 2-3, the outer walls of the reinforcing tubes 2-3 are provided with plug clamping grooves 2-5, return springs 2-4 are arranged inside the fixed seat, locking clamps 2-2 are located in the plug clamping grooves 2-5 and are connected with the return springs 2-4, and the return springs 2-4 can eject the locking clamps 2-2 and penetrate through the plug clamping grooves 2-5 to the outer portions of the fixed insertion tube joints 2-1; a single-wheel assembly fixing device is further arranged in the middle of the fixing seat 3 and comprises a single-wheel assembly jack 6-1, a single-wheel assembly vertical shaft clamping groove fixing piece 6-2 and a single-wheel assembly return spring 6-3 connected with the single-wheel assembly vertical shaft clamping groove fixing piece 6-2 in parallel, a single-wheel assembly fixing cover 6-4 fixes the single-wheel assembly vertical shaft clamping groove fixing piece 6-2 and the single-wheel assembly return spring 6-3 in the single-wheel assembly fixing device, and a round hole corresponding to the single-wheel assembly jack 6-1 is formed in the middle of the single-wheel assembly clamping groove fixing piece 6-2; a plug clamping groove II 3-2 and a button 3-1 corresponding to the plug clamping groove II 3-2 are arranged on the side wall of one end of the fixed insertion pipe 4 close to the pipe orifice, a double-wheel component fixing device is arranged at one end of the fixed insertion pipe 4 far away from the pipe orifice, the double-wheel component fixing device comprises a double-wheel component jack 3-3, a double-wheel set vertical shaft clamping groove fixing piece 3-4 is arranged at the lower end of the double-wheel component jack 3-3, and a double-wheel assembly return spring 3-5 arranged in parallel with the double-wheel assembly vertical shaft clamping groove fixing sheet 3-4, the double-wheel assembly vertical shaft clamping groove fixing sheet 3-4 and the double-wheel assembly return spring 3-5 are fixed in the double-wheel assembly fixing device through a double-wheel assembly fixing cover 3-6, a round hole corresponding to the double-wheel assembly jack 3-3 is formed in the middle of the double-wheel assembly clamping groove fixing sheet 3-4; the wheel 5 assembly comprises a wheel 5-1, a wheel fork 5-2 for fixing the wheel 5-1 and a vertical shaft 5-3 fixed above the wheel fork 5-2, wherein a vertical shaft clamping groove 5-4 is formed in one end, close to the wheel fork 5-2, of the vertical shaft 5-3.
When a four-wheeled child cart is needed, only two fixed insertion tubes 4 are required to be respectively inserted into the fixed insertion tube connectors 2-1 on two sides of the fixed base 3, when the fixed insertion tubes 4 are inwards inserted into the fixed insertion tube connectors 2-1, due to external force, the locking clips 2-2 in the fixed insertion tube connectors 2-1 press the return springs 2-4 in the fixed insertion tube connectors 2-1, when the plug card slots 2-5 on the fixed insertion tubes 4 and the plug card slots II 3-2 on the fixed insertion tube connectors 2-1 are located at the same positions, the locking clips 2-3 can simultaneously penetrate through the plug card slots 2-5 and the plug card slots II 3-2 through the elasticity of the return springs 2-4 and are ejected to the outer portions of the fixed insertion tubes 4, and at the moment, the fixed insertion tubes 4 are locked on two sides of the fixed base 3 through the locking clips 2-2, then the vertical shafts 5-3 of the two wheel assemblies 5 are respectively inserted into the double-wheel assembly jacks 3-3 at the two sides, at the moment, the clamping groove fixing pieces 3-4 of the double-wheel assembly vertical shafts are required to be pressed inwards, the round hole 7-1 is aligned with the double-wheel assembly jack 3-3 up and down, the wheel assembly 5 can be inserted into the double-wheel assembly jack 3-3, because the vertical shaft 5-3 of the wheel component 5 is provided with the vertical shaft clamping groove 5-4, when the pressed double-wheel-set vertical shaft clamping groove fixing sheet 3-4 is loosened, the clamping groove fixing sheet 3-4 of the double-wheel assembly vertical shaft can be ejected outwards by the elastic force of the return spring 3-5 of the double-wheel assembly, the clamping groove fixing sheet 3-4 of the double-wheel assembly vertical shaft is just clamped in the clamping groove 5-4 of the vertical shaft, thus, the wheel assembly 5 can be fixed on the double-wheel assembly fixing device to complete the assembly of the four-wheel handcart.
When a three-wheel child cart is needed, the button 3-1 on the fixed insertion tube 4 is firstly pressed, the locking clamp 2-3 can be separated from the plug clamping groove 2-5 and the plug clamping groove two 3-2 and is retracted into the reinforcing tube 2-2 of the fixed insertion tube connector 2-1, at the moment, the fixed insertion tube 4 provided with the wheel assembly 5 can be pulled out, and meanwhile, the fixed insertion tube 4 provided with the wheel assembly 5 on the other side is pulled out. When the wheel assembly 5 is disassembled, the wheel assembly 5 can be disassembled only by pressing the double-wheel-set vertical shaft clamping groove fixing piece 3-4 inwards to separate the double-wheel-set vertical shaft clamping groove fixing piece 3-4 from the vertical shaft clamping groove 5-4. And one of the disassembled wheel assemblies 5 is inserted into the single-wheel assembly insertion hole 6-1, and the wheel assembly 5 can be fixed in the single-wheel assembly fixing device by the single-wheel assembly vertical shaft clamping groove fixing sheet 6-2 in the same way, so that the assembly of the three-wheel trolley is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a children's handcart of convertible front wheel subassembly, includes frame body (1), sets up front wheel support (2) at frame body (1) front end, its characterized in that: still include fixing base (3), fixed intubate (4), single round subassembly fixing device, double round subassembly fixing device, wheel subassembly (5), fixing base (3) are fixed at front wheel support (2) front end, install in the fixed intubate of fixing base (3) both sides connects (2-1) fixed intubate, single round subassembly fixing device installs the intermediate position at fixing base (3), double round subassembly fixing device installs both sides respectively on fixed intubate (4).
2. A convertible front wheel assembly child stroller as defined in claim 1, wherein: a plug clamping groove II (3-2) and a button (3-1) corresponding to the plug clamping groove II (3-2) are arranged on the side wall of one end, close to the pipe orifice, of the fixed insertion pipe (4), and a double-wheel assembly fixing device is arranged at one end, far away from the pipe orifice, of the fixed insertion pipe (4).
3. A convertible front wheel assembly child stroller as defined in claim 1, wherein: the single-wheel assembly fixing device comprises a single-wheel assembly jack (6-1), a single-wheel assembly vertical shaft clamping groove fixing piece (6-2), a single-wheel assembly return spring (6-3) connected with the single-wheel assembly vertical shaft clamping groove fixing piece (6-2) in parallel, a single-wheel assembly fixing cover (6-4) fixes the single-wheel assembly vertical shaft clamping groove fixing piece (6-2) and the single-wheel assembly return spring (6-3) in the single-wheel assembly fixing device, and a round hole corresponding to the single-wheel assembly jack (6-1) is formed in the middle of the single-wheel assembly clamping groove fixing piece (6-2).
4. A convertible front wheel assembly child stroller as defined in claim 1, wherein: the double-wheel assembly fixing device comprises double-wheel assembly jacks (3-3), a double-wheel assembly vertical shaft clamping groove fixing piece (3-4) is arranged at the lower end of each double-wheel assembly jack (3-3), and double-wheel assembly return springs (3-5) are arranged in parallel with the double-wheel assembly vertical shaft clamping groove fixing piece (3-4), the double-wheel assembly vertical shaft clamping groove fixing piece (3-4) and the double-wheel assembly return springs (3-5) are fixed in the double-wheel assembly fixing device through double-wheel assembly fixing covers (3-6), and a round hole corresponding to the double-wheel assembly jack (3-3) is formed in the middle of the double-wheel assembly clamping groove fixing piece (3-4).
5. A convertible front wheel assembly child stroller as defined in claim 1, wherein: the wheel assembly (5) comprises a wheel (5-1), a wheel fork (5-2) for fixing the wheel (5-1), and a vertical shaft (5-3) fixed above the wheel fork (5-2), wherein a vertical shaft clamping groove (5-4) is formed in one end, close to the wheel fork (5-2), of the vertical shaft (5-3).
6. A convertible front wheel assembly child stroller as defined in claim 1, wherein: the single-wheel component fixing device is detachable, and the double-wheel component fixing device is detachable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911169662.0A CN110861696A (en) | 2019-11-26 | 2019-11-26 | Children's handcart of convertible front wheel subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911169662.0A CN110861696A (en) | 2019-11-26 | 2019-11-26 | Children's handcart of convertible front wheel subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110861696A true CN110861696A (en) | 2020-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911169662.0A Pending CN110861696A (en) | 2019-11-26 | 2019-11-26 | Children's handcart of convertible front wheel subassembly |
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| Country | Link |
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| CN (1) | CN110861696A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2077829U (en) * | 1990-04-27 | 1991-05-29 | 程曙光 | Combined child carriage |
| CA2208809A1 (en) * | 1996-12-23 | 1998-06-23 | 634182 Alberta Ltd. | Child transport vehicle |
| US20080042383A1 (en) * | 2006-08-14 | 2008-02-21 | An-Min Hu | Front wheel assembly for baby strollers |
| EP2030864A2 (en) * | 2007-08-28 | 2009-03-04 | TFK Trends for Kids GmbH Vertrieb von Kinder-Trend-Artikeln | Front wheel unit for a buggy |
| CN201856792U (en) * | 2009-10-22 | 2011-06-08 | 中山市隆成日用制品有限公司 | Baby carriage frame capable of converting front wheel supporting state |
| CN203888860U (en) * | 2014-06-04 | 2014-10-22 | 慈溪市福贝贝儿童用品有限公司 | Front wheel replaceable structure of baby carriage |
| CN207389410U (en) * | 2017-09-06 | 2018-05-22 | 郭树忠 | A kind of adustable wheel carriage for children |
| CN108248664A (en) * | 2016-12-29 | 2018-07-06 | 匡桃红 | Novel improved type foldable baby carriage |
| CN207790811U (en) * | 2017-12-28 | 2018-08-31 | 好孩子儿童用品有限公司 | A kind of children trolley |
| CN209079969U (en) * | 2018-10-31 | 2019-07-09 | 宁波精英车业有限公司 | A kind of fast disassembling wheels structure of children's three-wheeled cart |
| CN211001527U (en) * | 2019-11-26 | 2020-07-14 | 邯郸市亿航车业有限公司 | Children's handcart of convertible front wheel subassembly |
-
2019
- 2019-11-26 CN CN201911169662.0A patent/CN110861696A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2077829U (en) * | 1990-04-27 | 1991-05-29 | 程曙光 | Combined child carriage |
| CA2208809A1 (en) * | 1996-12-23 | 1998-06-23 | 634182 Alberta Ltd. | Child transport vehicle |
| US20080042383A1 (en) * | 2006-08-14 | 2008-02-21 | An-Min Hu | Front wheel assembly for baby strollers |
| EP2030864A2 (en) * | 2007-08-28 | 2009-03-04 | TFK Trends for Kids GmbH Vertrieb von Kinder-Trend-Artikeln | Front wheel unit for a buggy |
| CN201856792U (en) * | 2009-10-22 | 2011-06-08 | 中山市隆成日用制品有限公司 | Baby carriage frame capable of converting front wheel supporting state |
| CN203888860U (en) * | 2014-06-04 | 2014-10-22 | 慈溪市福贝贝儿童用品有限公司 | Front wheel replaceable structure of baby carriage |
| CN108248664A (en) * | 2016-12-29 | 2018-07-06 | 匡桃红 | Novel improved type foldable baby carriage |
| CN207389410U (en) * | 2017-09-06 | 2018-05-22 | 郭树忠 | A kind of adustable wheel carriage for children |
| CN207790811U (en) * | 2017-12-28 | 2018-08-31 | 好孩子儿童用品有限公司 | A kind of children trolley |
| CN209079969U (en) * | 2018-10-31 | 2019-07-09 | 宁波精英车业有限公司 | A kind of fast disassembling wheels structure of children's three-wheeled cart |
| CN211001527U (en) * | 2019-11-26 | 2020-07-14 | 邯郸市亿航车业有限公司 | Children's handcart of convertible front wheel subassembly |
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