CN212827694U - Wheel dismounting structure and bassinet - Google Patents
Wheel dismounting structure and bassinet Download PDFInfo
- Publication number
- CN212827694U CN212827694U CN202020984762.0U CN202020984762U CN212827694U CN 212827694 U CN212827694 U CN 212827694U CN 202020984762 U CN202020984762 U CN 202020984762U CN 212827694 U CN212827694 U CN 212827694U
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- wheel
- unlocking
- sliding
- locking assembly
- piece
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- 238000009434 installation Methods 0.000 abstract description 6
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B37/00—Wheel-axle combinations, e.g. wheel sets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B7/00—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The utility model discloses a dismouting structure and bassinet of wheel for dismantlement and installation between wheel and the shaft, the dismouting structure is including setting up the fixing base at wheel middle part, it can supply to have seted up on the fixing base the mounting hole that the shaft passed along the axial, the epaxial ring channel of having seted up of wheel, the dismouting structure is including setting up locking Assembly on the fixing base, locking Assembly includes two sets of sliders, every all be provided with the lockpin on the slider, the slider is followed the radial relative slip ground of shaft is located on the fixing base, two the slider is divided and is located the epaxial different both sides of shaft, lockpin can be blocked in the ring channel correspondingly and make locking Assembly lock. This dismouting structure of wheel, its part is few, simple structure, and the user can be dismantled the wheel from the shaft after pressing the unblock piece with the locking Assembly unblock, dismantles and all can the one-hand operation with the installation, very convenient and fast.
Description
Technical Field
The utility model relates to a dismouting structure and bassinet of wheel.
Background
The wheels of the baby carrier are arranged on two sides of the wheel shaft, and the baby carrier is required to be convenient to mount and dismount. The wheels are connected to the wheel axle of the baby carriage through a dismounting structure or dismounted from the wheel axle. The wheel hub is provided with a mounting seat in the center, and the mounting seat is connected with the wheel shaft to realize the mounting between the wheel hub and the wheel shaft. However, in the prior art, the dismounting structure is often set up all comparatively complicatedly, and the user uses comparatively inconveniently when the loading wheel is dismounted.
Disclosure of Invention
The utility model aims at providing a dismouting structure of wheel to make things convenient for dismantlement and installation between wheel and the shaft.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a wheel dismounting structure is used for dismounting and mounting between a wheel and a wheel shaft, and comprises a fixed seat arranged in the middle of the wheel, wherein a mounting hole allowing the wheel shaft to axially penetrate through is formed in the fixed seat, an annular groove is formed in the wheel shaft, the dismounting structure comprises a locking assembly arranged on the fixed seat, the locking assembly comprises two groups of sliding parts, each sliding part is provided with a lock pin, the sliding parts are arranged on the fixed seat in a manner of relative sliding along the radial direction of the wheel shaft, the two sliding parts are respectively arranged on two different sides of the wheel shaft in the radial direction, the locking assembly has a locking state and an unlocking state, and when the locking assembly is in the locking state, at least part of the lock pins are clamped in the annular groove; when the locking assembly is in an unlocking state, the lock pin is separated from the annular groove, and the fixed seat is also provided with an unlocking piece which is used for driving the two sliding pieces to slide so as to enable the locking assembly to be converted from the locking state to the unlocking state.
Preferably, a length extending direction of the lock pin is perpendicular to a length extending direction of the wheel shaft, and the length extending direction of the lock pin is perpendicular to a sliding direction of the slider.
Preferably, an arc-shaped groove is formed in the sliding part, the lock pins axially penetrate through the arc-shaped groove, the length extension directions of the two lock pins are parallel to each other, and the axial leads of the two lock pins are in the same vertical plane.
Preferably, when the locking assembly is in the locked state, the ends of the two sliders are in opposition in the radial direction of the wheel axle.
Preferably, an elastic member for providing an elastic force required by the sliding member to move toward the wheel shaft is disposed between each sliding member and the fixed seat.
Preferably, when the unlocking piece drives the two sliding pieces to slide in opposite directions, the locking assembly is switched from the locking state to the unlocking state.
Preferably, the unlocking piece is slidingly arranged on the unlocking button on the fixing seat, every unlocking inclined plane is arranged on the sliding piece, two driving inclined planes and two unlocking inclined planes are arranged on the unlocking button and are respectively in matched contact with each other.
Furthermore, the sliding part is a U-shaped part and is provided with unlocking ends which are respectively arranged at two different sides of the wheel shaft, and each unlocking end is provided with the unlocking inclined plane; the unlocking button comprises a button part arranged on the fixed seat in a sliding mode and two unlocking parts arranged on the button part, the two unlocking parts are spaced by 180 degrees, and each unlocking part is provided with two driving inclined planes.
Preferably, the wheel includes wheel hub and cover and establishes tire on the wheel hub, wheel hub is connected including mutually supporting fixed connection's first wheel hub and second wheel hub and detachably the wheel cap on the second wheel hub, the fixing base is installed on the second wheel hub, the unblock piece is located the wheel cap with between the second wheel hub.
Another object of the present invention is to provide a stroller, which comprises a frame and wheels disposed at the bottom of the frame, wherein the wheels are mounted on the frame through the above-mentioned assembling and disassembling structure of the wheels.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a dismouting structure of wheel, its part is few, simple structure, and the user can be dismantled the wheel from the shaft after pressing the unlocking piece with the locking subassembly unblock, dismantles and all can the one-hand operation with the installation, convenient and fast very.
Drawings
Fig. 1 is an overall schematic view of a wheel of the present invention;
FIG. 2 is an exploded view of the structure of the wheel and axle assembly of FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic longitudinal cross-sectional view of a wheel of the present invention, wherein the locking assembly is in a locked state;
fig. 5 is a schematic view of the mounting structure of the dismounting structure of the present invention on the wheel axle, wherein the locking assembly is in a locked state;
fig. 6 is a schematic longitudinal sectional view of a wheel according to the present invention, wherein the locking assembly is in an unlocked state;
fig. 7 is a schematic view of the mounting structure of the dismounting structure on the wheel axle of the present invention, wherein the locking assembly is in an unlocked state;
wherein: 1. a wheel; 11. a first hub; 12. a second hub; 121. a snap-in hole; 13. a wheel cover; 131. buckling; 132. perforating; 14. a fixing seat mounting groove; 2. a wheel axle; 21. an annular groove; 3. a fixed seat; 31. mounting holes; 32. assembling the projection; 33. a limiting groove; 4. a slider (slide block); 41. an arc-shaped slot; 42. a pin hole; 43. unlocking the inclined plane; 44. pushing the inclined plane; 5. a lock pin; 6. an elastic member (spring); 7. an unlocking member (unlocking button); 71. a button portion; 72. an unlocking portion; 73. the ramp is driven.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 7, a wheel dismounting structure for dismounting and mounting a wheel 1 and a wheel axle 2 includes a fixing seat 3 disposed in the middle of the wheel 1, the fixing seat 3 is provided with a mounting hole 31 for the wheel axle 2 to pass through in the axial direction, and the end of the wheel axle 2 is provided with an annular groove 21.
The dismounting structure comprises a locking assembly arranged on a fixed seat 3, the locking assembly comprises two sets of sliding pieces 4, each sliding piece 4 is provided with a lock pin 5, the sliding pieces 4 can be arranged on the fixed seat 3 along the radial direction of a wheel shaft 2 in a relative sliding mode, and the two sliding pieces 4 are respectively arranged on two different sides of the wheel shaft 2 in the radial direction. The locking assembly has a locking state and an unlocking state, when the locking assembly is in the locking state, at least part of the lock pin 5 is clamped in the annular groove 21, and the fixed seat 3 is also provided with an unlocking piece 7 which is used for driving the two sliding pieces 4 to slide relative to the fixed seat 3 so as to enable the locking assembly to be converted from the locking state to the unlocking state.
Specifically, as shown in fig. 2 and 3, the length extending direction of the lock pin 5 and the length extending direction of the wheel shaft 2 are perpendicular to each other, and the length extending direction of the lock pin 5 and the sliding direction of the slider 4 are also perpendicular to each other. The sliding part 4 is provided with an arc-shaped groove 41 and a pin hole 42, the pin hole 42 is communicated with the arc-shaped groove 41, the lock pin 5 is correspondingly arranged in the pin hole 42 along the axial direction in a penetrating mode, and the middle shaft section of the lock pin 5 is positioned in the arc-shaped groove 41 and can be clamped into the annular groove 21 to lock the locking assembly. The axial leads of the two lock pins 5 on the two groups of sliding parts 4 are parallel to each other, and the axial leads of the two lock pins 5 are in the same vertical plane, so that the wheel shaft 2 is clamped and locked from two different sides of the wheel shaft 2 when the locking assembly is locked, and the arrangement ensures that the stability of the locking assembly is good and the space is saved when the locking assembly is locked.
Between each sliding element 4 and the fixed seat 3, an elastic element 6 is provided for providing the elastic force required for the movement of the sliding element 4 towards the wheel axle 2, where the elastic element 6 is a spring. The tendency of the slider 4 to remain moved towards the axle 2 under the action of the spring 6 causes the detent 5 to snap stably into the annular groove 21 of the axle 2, thus maintaining the locking assembly in the locked condition. The slider 4 is slidably disposed in the mounting hole 31, and the mounting hole 31 is a stepped hole whose stepped surface forms a limit in the axial direction of the slider 4 so that the slider 4 is axially limited between the holder 3 and the wheel 1. The sliding member 4 is provided with a spring positioning hole (not shown), one end of the spring 6 is clamped in the spring positioning hole, and the other end of the spring abuts against the circumferential hole wall of the mounting hole 31.
Unlocking member 7 forces sliding of the two sliders 4 in opposite directions, so that the locking assembly is unlocked when the two sliders 4 overcome the respective spring 6, thereby disengaging locking pin 5 from annular groove 21. In this embodiment, the unlocking member 7 is an unlocking button 7 slidably disposed on the fixing base 3, and an unlocking inclined surface 43 and a driving inclined surface 73 which are mutually matched are disposed between each sliding member 4 and the unlocking button 7. Specifically, each sliding member 4 is U-shaped, the U-shaped openings of the two sliding members 4 are arranged oppositely, each sliding member 4 is provided with two unlocking ends respectively arranged at two different sides of the wheel shaft 2, an arc-shaped groove 41 is formed between the two unlocking ends, the lock pin 5 is installed at the two unlocking ends, and an unlocking inclined surface 43 is arranged on the outer side surface of each unlocking end.
The unlocking button 7 comprises a button part 71 arranged on the fixed seat 3 in a sliding way and two unlocking parts 72 arranged on the button part 71, and the two unlocking parts 72 are separated by 180 degrees so as to respectively correspond to two unlocking ends on two sides of the sliding part 4; each unlocking portion 72 is provided with two driving slopes 73, and the two driving slopes 73 extend in opposite directions and respectively engage with the unlocking slopes 43 of the two sliders 4. Two limiting grooves 33 are formed in the fixing seat 3, the limiting grooves 33 are communicated with the mounting hole 31, and the two unlocking parts 72 are respectively arranged in the two limiting grooves 33 in a corresponding sliding fit manner.
Referring to fig. 3 and 5, the inner side surface of the unlocking end is further provided with a pushing inclined surface 44, when the wheel shaft 2 penetrates into the mounting hole 31 of the fixing seat 3, the end of the wheel shaft 2 pushes against the pushing inclined surface 44, so that the two sliding pieces 4 are relatively far away from each other for the wheel shaft 2 to penetrate, when the wheel shaft 2 penetrates into the annular groove 21 of the wheel shaft to correspond to the positions of the locking pins 5, under the action of the spring 6, the sliding pieces 4 move towards the wheel shaft 2, the locking pins 5 are clamped into the annular groove 21, the locking assembly is locked, and the wheel 1 is mounted on the wheel shaft 2.
Referring to fig. 2 and 3, the wheel 1 includes a hub and a tire sleeved on the hub, the hub includes a first hub 11 and a second hub 12 that are fixedly connected with each other in a matching manner, and a wheel cover 13 detachably connected to the second hub 12, the first hub 11 and the second hub 12 are connected by spin welding, the second hub 12 is provided with a plurality of fastening holes 121, a plurality of fasteners 131 are provided on a peripheral portion of the wheel cover 13, and the detachable connection between the wheel cover 12 and the hub is realized by matching between the fasteners 131 and the fastening holes 121. The central position department of second wheel hub 12 has seted up fixing base mounting groove 14, and fixing base 3 sets up in this fixing base mounting groove 14 coordinately. The periphery of the fixing seat 3 is provided with an assembling protrusion 32, and the fixing seat 3 is arranged in the central hole 14 in a penetrating manner and fixed with the second hub 12 through the assembling protrusion 32. A through hole 132 is provided at the center of the wheel cover 13, and the button portion 71 of the unlock button 7 is cylindrical, and the button portion 71 is slidably fitted through the through hole 132.
Thus, when the wheel 1 is mounted on the axle 2 and the locking assembly is locked, the sliders 4 on both sides each have a tendency to move towards the axle 2 under the action of the spring 6, so that the detent 5 snaps into the annular groove 21, thereby maintaining the locking assembly in the locked condition and, consequently, the wheel 1 stably mounted on the axle 2, as shown in fig. 4 and 5. The sliding parts 4 on the two sides are mutually abutted, so that the lock pin 5 does not need to abut against the bottom wall of the annular groove 21 in the annular groove 21, the rotation of the wheel 1 relative to the wheel shaft 2 is smoother, and clamping stagnation is not easy to occur.
When the wheel 1 needs to be detached from the wheel axle 2, the unlocking button 7 is directly pressed, the unlocking parts 72 on two sides of the unlocking button 7 are respectively matched with the unlocking ends of the two sliding parts 4, the two driving inclined surfaces 73 on the same unlocking part 72 are respectively matched with the unlocking inclined surfaces 43 of the two sliding parts 4, and then the two sliding parts 4 are driven to overcome the acting force of the spring 6 and move away from the wheel axle 2, so that the lock pin 5 is disengaged from the annular groove 21, as shown in fig. 6 and 7, the wheel 1, the fixing seat 3 and other parts can be detached from the wheel axle 2 together, and the detaching operation is very simple.
During installation, the wheel 1 provided with the fixing seat 3 and the locking assembly is directly sleeved on the wheel shaft 2, then the wheel 1 is pushed inwards along the direction of the wheel shaft 2 until the lock pin 5 is clamped into the annular groove 21, and after the locking assembly is locked, the wheel 1 is stably installed on the wheel shaft 2, so that the installation is very convenient.
Not shown in the drawing, the utility model discloses still include a bassinet, this bassinet specifically can be children's shallow, children's tricycle etc. and it includes the frame and locates the wheel 1 of frame bottom, and wheel 1 is through foretell wheel dismouting structural mounting on the shaft 2 of frame.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A wheel dismounting structure is used for dismounting and mounting between a wheel and a wheel shaft, and comprises a fixed seat arranged in the middle of the wheel, wherein the fixed seat is provided with a mounting hole for the wheel shaft to pass through along the axial direction, the wheel shaft is provided with an annular groove, and the wheel dismounting structure is characterized in that: the dismounting structure comprises a locking assembly arranged on the fixed seat, the locking assembly comprises two groups of sliding parts, each sliding part is provided with a lock pin, the sliding parts are arranged on the fixed seat in a manner of relatively sliding along the radial direction of the wheel shaft, the two sliding parts are respectively arranged on two different sides of the wheel shaft in the radial direction,
the locking assembly is provided with a locking state and an unlocking state, and when the locking assembly is in the locking state, at least part of the lock pin is clamped in the annular groove; when the locking assembly is in an unlocking state, the lock pin is separated from the annular groove, and the fixed seat is also provided with an unlocking piece which is used for driving the two sliding pieces to slide so as to enable the locking assembly to be converted from the locking state to the unlocking state.
2. The structure of attaching and detaching a wheel according to claim 1, wherein: the length extending direction of the lock pin is perpendicular to the length extending direction of the wheel shaft, and the length extending direction of the lock pin is perpendicular to the sliding direction of the sliding piece.
3. The structure of attaching and detaching a wheel according to claim 1, wherein: the sliding part is provided with an arc-shaped groove, the lock pins axially penetrate through the arc-shaped groove, the length extension directions of the two lock pins are parallel to each other, and the axial leads of the two lock pins are in the same vertical plane.
4. The structure of attaching and detaching a wheel according to claim 1, wherein: when the locking assembly is in a locking state, the ends of the two sliding pieces are mutually abutted along the radial direction of the wheel shaft.
5. The structure of attaching and detaching a wheel according to claim 1, wherein: an elastic piece for providing elastic force required by the sliding piece to move towards the wheel shaft is arranged between each sliding piece and the fixed seat.
6. The structure of attaching and detaching a wheel according to claim 1, wherein: when the unlocking piece drives the two sliding pieces to slide towards opposite directions, the locking assembly is switched from the locking state to the unlocking state.
7. The structure of attaching and detaching a wheel according to claim 1, wherein: the unlocking piece is arranged on the fixing seat in a sliding mode, each unlocking button is arranged on the sliding piece and is provided with an unlocking inclined plane, and the unlocking button is provided with two driving inclined planes and two driving inclined planes which are respectively in matched contact with the unlocking inclined planes.
8. The structure of attaching and detaching a wheel according to claim 7, wherein: the sliding piece is a U-shaped piece and is provided with unlocking ends which are respectively arranged at two different sides of the wheel shaft, and each unlocking end is provided with the unlocking inclined plane; the unlocking button comprises a button part arranged on the fixed seat in a sliding mode and two unlocking parts arranged on the button part, the two unlocking parts are spaced by 180 degrees, and each unlocking part is provided with two driving inclined planes.
9. The structure of attaching and detaching a wheel according to any one of claims 1 to 8, wherein: the wheel includes that wheel hub and cover establish tire on the wheel hub, wheel hub is connected including mutually supporting fixed connection's first wheel hub and second wheel hub and detachably the wheel lid on the second wheel hub, the fixing base is installed on the second wheel hub, the unblock piece is located the wheel lid with between the second wheel hub.
10. The utility model provides a bassinet, includes the frame and locates the wheel of frame bottom, its characterized in that: the wheel is mounted on the frame by the structure for attaching and detaching a wheel according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020984762.0U CN212827694U (en) | 2020-06-02 | 2020-06-02 | Wheel dismounting structure and bassinet |
| PCT/CN2020/112412 WO2021243860A1 (en) | 2020-06-02 | 2020-08-31 | Wheel mounting and removing structure and baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020984762.0U CN212827694U (en) | 2020-06-02 | 2020-06-02 | Wheel dismounting structure and bassinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212827694U true CN212827694U (en) | 2021-03-30 |
Family
ID=75170089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020984762.0U Active CN212827694U (en) | 2020-06-02 | 2020-06-02 | Wheel dismounting structure and bassinet |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN212827694U (en) |
| WO (1) | WO2021243860A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5716107A (en) * | 1995-01-25 | 1998-02-10 | Cascade Engineering, Inc. | Wheel assembly |
| US5902018A (en) * | 1996-08-07 | 1999-05-11 | Spartech Industries, Inc. | Hubcap locking device |
| CN2637285Y (en) * | 2003-07-31 | 2004-09-01 | 好孩子儿童用品有限公司 | Perambulator wheel fast dismounting mechanism |
| CN202518319U (en) * | 2012-02-21 | 2012-11-07 | 胡震海 | Removable structure for rear wheels of baby carriage |
| CN204077236U (en) * | 2014-04-29 | 2015-01-07 | 泰豪科技股份有限公司 | A kind of rapid-assembling/disassembling caster device |
| CN204236535U (en) * | 2014-10-08 | 2015-04-01 | 好孩子儿童用品有限公司 | A kind of disassembly and assembly structure of motor vehicle wheels of children |
-
2020
- 2020-06-02 CN CN202020984762.0U patent/CN212827694U/en active Active
- 2020-08-31 WO PCT/CN2020/112412 patent/WO2021243860A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021243860A1 (en) | 2021-12-09 |
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