CN113120064A - Wheel fixing device and baby stroller - Google Patents

Wheel fixing device and baby stroller Download PDF

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Publication number
CN113120064A
CN113120064A CN201911392410.4A CN201911392410A CN113120064A CN 113120064 A CN113120064 A CN 113120064A CN 201911392410 A CN201911392410 A CN 201911392410A CN 113120064 A CN113120064 A CN 113120064A
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CN
China
Prior art keywords
wheel
mounting seat
fixing device
rotating
wheel mounting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201911392410.4A
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Chinese (zh)
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CN113120064B (en
Inventor
吴海涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Wonderland Nurserygoods Co Ltd
Original Assignee
China Wonderland Nurserygoods Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN201911392410.4A priority Critical patent/CN113120064B/en
Application filed by China Wonderland Nurserygoods Co Ltd filed Critical China Wonderland Nurserygoods Co Ltd
Priority to TW112125068A priority patent/TWI868776B/en
Priority to JP2022535652A priority patent/JP7404538B2/en
Priority to PCT/EP2020/085988 priority patent/WO2021122457A1/en
Priority to EP20833747.7A priority patent/EP4076976A1/en
Priority to KR1020247035367A priority patent/KR20240156651A/en
Priority to KR1020227019596A priority patent/KR102722926B1/en
Priority to CN202080096673.5A priority patent/CN115485150A/en
Priority to TW109144075A priority patent/TWI850501B/en
Priority to AU2020405945A priority patent/AU2020405945B2/en
Priority to US17/785,785 priority patent/US20230059506A1/en
Priority to CA3164985A priority patent/CA3164985A1/en
Priority to TW113123928A priority patent/TW202440386A/en
Publication of CN113120064A publication Critical patent/CN113120064A/en
Application granted granted Critical
Publication of CN113120064B publication Critical patent/CN113120064B/en
Priority to JP2023210116A priority patent/JP2024015387A/en
Priority to AU2024204250A priority patent/AU2024204250A1/en
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Anticipated expiration legal-status Critical

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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
    • 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
    • B62B7/042—Steering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/02—Castors in general; Anti-clogging castors with disengageable swivel action, i.e. comprising a swivel locking mechanism
    • B60B33/025—Castors in general; Anti-clogging castors with disengageable swivel action, i.e. comprising a swivel locking mechanism by using form-fit, e.g. front teeth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/04—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
    • B60B33/045—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted resiliently, by means of dampers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)

Abstract

本发明提供一种车轮固定装置，包括车轮安装座、车轮支杆以及旋转机构，车轮安装座的一端与车轮连接，车轮安装座的另一端与车轮支杆连接，还包括设置于旋转机构和车轮安装座之间的阻尼机构。此当旋转机构和车轮安装座产生相对运动时，该阻尼机构可有效防止车轮组的在水平方向的抖动或震动。

Figure 201911392410

The invention provides a wheel fixing device, which includes a wheel mounting seat, a wheel support rod and a rotating mechanism. One end of the wheel mounting seat is connected with the wheel, and the other end of the wheel mounting seat is connected with the wheel support rod. Damping mechanism between mounts. Therefore, when the rotating mechanism and the wheel mounting seat are in relative motion, the damping mechanism can effectively prevent the wheel set from shaking or vibrating in the horizontal direction.

Figure 201911392410

Description

Wheel fixing device and baby stroller
Technical Field
The invention relates to a stroller, in particular to a wheel fixing device and a stroller with the wheel fixing device.
Background
The stroller is widely used as a necessary product for baby families, and the comfort and practicability of the stroller are also important in the industry. The common children's cart has a shock absorbing mechanism to prevent the cart body from generating severe shock on the walking bumpy road section. However, the current suspension mechanism is often disposed between the wheel and the wheel bar in a vertical manner to reduce vibrations of the vehicle body in a vertical direction (up-down direction). However, the gap between the wheel rod and the wheel seat is large, so that the shaking of the wheels in the left and right directions is obvious in the walking process, the comfort level is reduced, and the parts in the wheel seat are easy to loosen due to violent shaking.
Therefore, it is necessary to provide a wheel fixing device and a stroller having a simple structure and excellent anti-shaking performance.
Disclosure of Invention
The invention aims to provide a wheel fixing device with simple structure and good shock absorption performance and anti-shake performance and a child stroller.
In order to achieve the above object, the present invention provides a wheel fixing device, which includes a wheel mounting seat, a wheel support rod, a rotating mechanism, a damping mechanism disposed between the rotating mechanism and the wheel mounting seat, wherein one end of the wheel mounting seat is connected to a wheel, and the other end of the wheel mounting seat is connected to the wheel support rod.
Compared with the prior art, the damping mechanism is arranged in the gap between the rotating mechanism and the wheel mounting seat, so when the rotating mechanism and the wheel mounting seat generate relative motion, the damping mechanism can effectively prevent shaking or vibration of the wheel set in the horizontal direction.
As one embodiment, the rotation mechanism includes a rotation peg disposed vertically between the wheel strut and the wheel mount and a bearing disposed within the wheel mount and controlling rotation of the rotation peg.
Preferably, the damping mechanism is horizontally arranged and perpendicular to the rotating nail.
Preferably, the rotary mechanism further comprises a fastener that positions the rotary peg between the wheel mounts.
Preferably, the damping mechanism includes a damping block and an elastic member, one end of the damping block abuts against one end of the rotating nail, and the other end of the damping block abuts against one end of the elastic member.
Preferably, the other end of the elastic element abuts against the inside of the wheel mounting seat.
Preferably, the rotary pin has a groove at one end thereof, and the damping block has a rib at one end thereof to be engaged with the groove.
Preferably, a buffer piece is further arranged between the wheel and the wheel mounting seat, and the buffer piece and the rotating nail are arranged in parallel.
Preferably, one end of the buffer member abuts against the inner top wall of the wheel mounting seat, and the other end of the buffer member abuts against the wheel axle between the wheel and the wheel mounting seat.
Preferably, the vehicle wheel further comprises a first connecting piece and a second connecting piece which are respectively connected with the wheel mounting seat and the wheel, the first connecting piece and the second connecting piece are pivoted, and the second connecting piece and the wheel mounting seat are pivoted through a wheel shaft.
Correspondingly, the invention also provides a child stroller with the wheel fixing device.
Drawings
Fig. 1 is a partial schematic view of the stroller of the present invention showing the front wheel sets and front leg frame.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is a partial cross-sectional view of the stroller of the present invention showing the wheel securing apparatus.
Fig. 4 is a partially exploded view of the stroller of the present invention showing the wheel securing apparatus.
Fig. 5 shows a damping mass of the wheel securing device of the present invention.
Reference numbers for various elements in the figures illustrate:
wheel fixing device 30 of children's barrow 1
Front foot bar 10 wheel mounting seat 31
First accommodating cavity 311 of wheel set 20
Through hole 312 for wheel 20a, 20b
Second accommodating cavity 313 damping block 341
Bead 341a of wheel strut 32
Rotary mechanism 33 convex column 341b
Elastic piece 342 of rotating nail 331
Notched 331a cushion 35
Bearing 332 supports block 351
Fastener 333 first connector 361
Second connector 362 of mounting plate 334
Damping mechanism 34 accommodating cavity 362a
Detailed Description
Several different preferred embodiments of the present invention will now be described with reference to the drawings, wherein like reference numerals represent like parts in the various figures. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The invention aims to provide a wheel fixing device which effectively prevents wheels from shaking during walking, and the wheel fixing device can be suitable for being installed on any carrier with wheels, such as a child stroller and the like. The following description is only given by way of example of the front wheel set of the stroller, but not by way of limitation.
As shown in fig. 1, a partial schematic view of a stroller 1 according to the present invention includes a pair of front legs 10 and a pair of wheel sets 20 mounted on the front legs 10, wherein the wheel sets 20 are pivotally connected to the front legs 10 by a wheel fixing device 30 and can rotate in a universal direction. Preferably, both side wheel sets 20 include two wheels 20a, 20b, but are not so limited.
As shown in fig. 2 and 3, the wheel securing device 30 includes a wheel mounting seat 31, a wheel strut 32, and a rotating mechanism 33. One end of the wheel mounting seat 31 is pivotally connected to the wheels 20a and 20b, and the other end of the wheel mounting seat 31 is pivotally connected to the wheel strut 32 via the rotating mechanism 33. As a concept of the present invention, the wheel securing device 30 further includes a damping mechanism 34 provided between the rotating mechanism 33 and the wheel mount 31.
Specifically, the wheel mounting seat 31 has a first receiving cavity 311 for receiving the rotating mechanism 33, and a through hole 312 for passing a rotating pin 331 is formed at a connection point with the wheel strut 32. A second receiving cavity 313 is further formed at one side of the wheel mounting seat 31, and slots 314 are formed at both sides of the second receiving cavity 313 for a wheel axle (not shown) to pass through. The rotation mechanism 33 includes a rotation pin 331, a bearing 332, and a fastener 333, the rotation pin 331 passes through the through hole 312 of the wheel mounting seat 31, is vertically disposed between the wheel strut 32 and the wheel mounting seat 31, and the bearing 332 is disposed below the through hole 312 of the wheel mounting seat 31, and the rotation pin 331 passes through the bearing 332 and thus controls the rotation thereof. Fastener 333 is located at the end of swivel nail 331 to position swivel nail 331 within wheel mount 31 via mounting plate 334 and fastener 333.
Preferably, a buffer member 35 and a supporting block 351 are further disposed in the second receiving cavity 313, the supporting block 351 is located above the wheel axle, and the buffer member 35 is disposed between the supporting block 351 and the top wall of the second receiving cavity 313. Specifically, the buffer 35 is disposed in parallel with the rotating pin 331. Optionally, the buffer 35 is a spring or other elastic member. The vertical arrangement of the cushion member 35 between the wheel and the wheel mounting seat 31 can reduce the vibration of the wheel set 20 in the vertical direction. In other embodiments, the wheel axle may be connected by other types of support portions, such as a support portion extending integrally below the second receiving cavity 313 for supporting one end of the cushion member 35.
The damping mechanism 34 includes a damping block 341 and an elastic member 342, one end of the damping block 341 abuts against one end of the rotating nail 331, the other end of the damping block 341 abuts against one end of the elastic member 342, and the other end of the elastic member 342 abuts against the inside of the wheel mounting seat. Specifically, the damping block 341 is an energy absorbing member such as rubber, plastic, etc., and the elastic member 342 is a spring. Preferably, as shown in fig. 3, one end of the rotating nail 331 has an annular groove 331a, as shown in fig. 5, one end surface of the damping block 341 is configured to form a curved surface corresponding to the outer circumference of the rotating nail 331, and the curved surface is provided with a convex rib 341a to abut against the groove 331a, and the other end is provided with a convex pillar 341b for the elastic element 342 to penetrate. Specifically, the damping block 341 and the elastic member 342 are linearly and horizontally connected, the rotating nail 331 is vertically connected, and the damping block 341 and the elastic member 342 are vertically arranged with the rotating nail 331.
Since the damping mechanism 34 is horizontally disposed in the gap between the rotating nail 331 and the wheel mount 31, the damping mechanism 34 can effectively prevent shaking or vibration of the wheel set 20 in the horizontal direction when the rotating nail 331 and the wheel mount 31 make relative movement.
Preferably, the wheel fixing device 30 further includes a first connecting member 361 and a second connecting member 362 respectively connected to the wheel mounting seat 31 and the wheels 20a and 20b, the first connecting member 361 and the second connecting member 362 are pivotally connected, and the second connecting member 362 is pivotally connected to the wheel mounting seat 31 via the wheel axle. Specifically, the second connector 362 has a receiving cavity 362a to receive the outer periphery of the second receiving cavity 313 of the wheel mount 31.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.

Claims (11)

1.一种车轮固定装置，包括车轮安装座、车轮支杆以及旋转机构，所述车轮安装座的一端与车轮连接，所述车轮安装座的另一端与所述车轮支杆连接，其特征在于：还包括设置于所述旋转机构和所述车轮安装座之间的阻尼机构。1. a wheel fixing device, comprising a wheel mounting seat, a wheel support rod and a rotating mechanism, one end of the wheel mounting seat is connected with a wheel, and the other end of the wheel mounting seat is connected with the wheel support rod, it is characterized in that : It also includes a damping mechanism arranged between the rotating mechanism and the wheel mounting seat. 2.如权利要求1所述的车轮固定装置，其特征在于：所述旋转机构包括竖直设置于所述车轮支杆和所述车轮安装座之间的旋转钉以及设置于所述车轮安装座内的并控制所述旋转钉旋转的轴承。2 . The wheel fixing device according to claim 1 , wherein the rotating mechanism comprises a rotating nail vertically disposed between the wheel support rod and the wheel mounting seat, and a rotating nail disposed on the wheel mounting seat. 3 . A bearing inside and controlling the rotation of the rotating peg. 3.如权利要求2所述的车轮固定装置，其特征在于：所述阻尼机构呈水平设置且垂直于所述旋转钉。3 . The wheel fixing device according to claim 2 , wherein the damping mechanism is arranged horizontally and perpendicular to the rotating nail. 4 . 4.如权利要求2所述的车轮固定装置，其特征在于：所述旋转机构还包括将所述旋转钉定位于所述车轮安装座之间的紧固件。4. The wheel securing device of claim 2, wherein the rotation mechanism further comprises a fastener for positioning the rotation peg between the wheel mounts. 5.如权利要求2所述的车轮固定装置，其特征在于：所述阻尼机构包括阻尼块以及弹性件，所述阻尼块的一端抵顶在所述旋转钉的一端，所述阻尼块的另一端抵顶在所述弹性件的一端。5 . The wheel fixing device according to claim 2 , wherein the damping mechanism comprises a damping block and an elastic member, one end of the damping block abuts one end of the rotating nail, and the other end of the damping block One end abuts one end of the elastic member. 6.如权利要求5所述的车轮固定装置，其特征在于：所述弹性件的另一端抵顶在所述车轮安装座之内。6 . The wheel fixing device according to claim 5 , wherein the other end of the elastic member abuts inside the wheel mounting seat. 7 . 7.如权利要求5所述的车轮固定装置，其特征在于：所述旋转钉的一端具有凹槽，所述阻尼块的一端设有凸棱以与所述凹槽相啮合。7 . The wheel fixing device of claim 5 , wherein one end of the rotating nail is provided with a groove, and one end of the damping block is provided with a rib to engage with the groove. 8 . 8.如权利要求2所述的车轮固定装置，其特征在于：所述车轮和所述车轮安装座之间还设有缓冲件，所述缓冲件与所述旋转钉呈平行设置。8 . The wheel fixing device according to claim 2 , wherein a buffer member is further provided between the wheel and the wheel mounting seat, and the buffer member is arranged in parallel with the rotating nail. 9 . 9.如权利要求5所述的车轮固定装置，其特征在于：所述缓冲件的一端抵顶在所述车轮安装座的内顶壁，所述缓冲件的另一端抵顶在所述车轮和所述车轮安装座之间的车轮轴之上。9 . The wheel fixing device according to claim 5 , wherein one end of the buffer piece abuts against the inner top wall of the wheel mounting seat, and the other end of the buffer piece abuts against the wheel and the wheel. 10 . on the wheel axle between the wheel mounts. 10.如权利要求9所述的车轮固定装置，其特征在于：还包括分别与所述车轮安装座和所述车轮连接的第一连接件和第二连接件，所述第一连接件和所述第二连接件枢接，所述第二连接件与所述车轮安装座通过所述车轮轴枢接。10 . The wheel fixing device according to claim 9 , further comprising a first connecting piece and a second connecting piece respectively connected with the wheel mounting seat and the wheel, the first connecting piece and the The second connecting piece is pivotally connected, and the second connecting piece is pivotally connected to the wheel mounting seat through the wheel axle. 11.一种儿童推车，包括如权利要求1-10任一项所述的车轮固定装置。11. A stroller comprising a wheel securing device as claimed in any one of claims 1-10.
CN201911392410.4A 2019-12-16 2019-12-30 Wheel fixing device and baby stroller Active CN113120064B (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
CN201911392410.4A CN113120064B (en) 2019-12-30 2019-12-30 Wheel fixing device and baby stroller
US17/785,785 US20230059506A1 (en) 2019-12-16 2020-12-14 Anti-shimmy device adapted for a wheel of a child carrier
PCT/EP2020/085988 WO2021122457A1 (en) 2019-12-16 2020-12-14 Anti-shimmy device adapted for a wheel of a child carrier
EP20833747.7A EP4076976A1 (en) 2019-12-16 2020-12-14 Anti-shimmy device adapted for a wheel of a child carrier
KR1020247035367A KR20240156651A (en) 2019-12-16 2020-12-14 Anti-shimmy device adapted for a wheel of a child carrier
KR1020227019596A KR102722926B1 (en) 2019-12-16 2020-12-14 Anti-slip device suitable for wheels of infant carrier
CN202080096673.5A CN115485150A (en) 2019-12-24 2020-12-14 Anti-shaking device for wheel of child carrier
TW109144075A TWI850501B (en) 2019-12-16 2020-12-14 Anti-shimmy device adapted for a wheel of a child carrier
TW112125068A TWI868776B (en) 2019-12-16 2020-12-14 Anti-shimmy device adapted for a wheel of a child carrier
JP2022535652A JP7404538B2 (en) 2019-12-16 2020-12-14 Vibration damping device adapted for the wheels of child carriers
CA3164985A CA3164985A1 (en) 2019-12-16 2020-12-14 Anti-shimmy device adapted for a wheel of a child carrier
TW113123928A TW202440386A (en) 2019-12-16 2020-12-14 Anti-shimmy device adapted for a wheel of a child carrier
AU2020405945A AU2020405945B2 (en) 2019-12-16 2020-12-14 Anti-shimmy device adapted for a wheel of a child carrier
JP2023210116A JP2024015387A (en) 2019-12-16 2023-12-13 Vibration damping device adapted for the wheels of child carriers
AU2024204250A AU2024204250A1 (en) 2019-12-16 2024-06-21 Anti-shimmy device adapted for a wheel of a child carrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911392410.4A CN113120064B (en) 2019-12-30 2019-12-30 Wheel fixing device and baby stroller

Publications (2)

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CN113120064A true CN113120064A (en) 2021-07-16
CN113120064B CN113120064B (en) 2022-08-09

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