CN109720397A - A kind of braking device of baby carriage - Google Patents
A kind of braking device of baby carriage Download PDFInfo
- Publication number
- CN109720397A CN109720397A CN201910138955.6A CN201910138955A CN109720397A CN 109720397 A CN109720397 A CN 109720397A CN 201910138955 A CN201910138955 A CN 201910138955A CN 109720397 A CN109720397 A CN 109720397A
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- pedal
- baby carriage
- braking device
- grab
- locking
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- 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.)
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- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
- Braking Elements And Transmission Devices (AREA)
Abstract
本发明公开一种婴儿车刹车装置，包括支撑架和与婴儿车车轮同轴安装的锁位轮毂，所述支撑架上安装踏板系统和锁紧机构，所述踏板系统包括踏板机构和与踏板机构配合使用的复位踏板机构，所述踏板机构与锁紧机构相连，所述锁紧机构与锁紧销相连，所述锁位轮毂上开设有1个以上供锁紧销插入的锁紧凹槽。本发明所述一种婴儿车刹车装置，其将踏板系统分为踏板机构和复位踏板机构，不仅操作方便，而且降低使用频率，有效提高刹车装置的使用寿命。
The invention discloses a braking device for a baby carriage, comprising a support frame and a locking hub coaxially installed with a wheel of the baby carriage, a pedal system and a locking mechanism are mounted on the support frame, and the pedal system includes a pedal mechanism and a pedal mechanism A reset pedal mechanism used in combination, the pedal mechanism is connected with a locking mechanism, the locking mechanism is connected with a locking pin, and the locking hub is provided with more than one locking groove for the locking pin to be inserted into. The baby carriage brake device of the present invention divides the pedal system into a pedal mechanism and a reset pedal mechanism, which is not only easy to operate, but also reduces the frequency of use and effectively increases the service life of the brake device.
Description
Technical field
The present invention relates to a kind of braking device of baby carriage.
Background technique
The brake system of perambulator is the important safeguard measure of vehicle safety, and the superiority and inferiority of performance is not only related to and makes
Safety has an effect on operability.Middle and high end perambulator mostly uses greatly a foot two-brake structure to brake vehicle.This knot
Structure is simple, and braking effect is reliable, and single foot operation is only needed to complete.But this structure need to be lifted with instep in unlock and be stepped on
Plate, operation is harder, and can make vamp dirty.In addition, frictional force is big between this constitutional detail, long-time service will lead to serious mill
Damage and deformation.Therefore, easier flexible braking device of baby carriage is developed to have important practical significance.
Summary of the invention
The purpose of the present invention is to provide a kind of braking device of baby carriage, and pedal system is divided into pedal gear and reset
Pedal gear, it is not only easy to operate, but also frequency of use is reduced, effectively improve the service life of brake gear.
In order to achieve the above object, the technical scheme is that a kind of braking device of baby carriage, including support frame and with
Stroller wheel coaxial mounted lock-bit wheel hub installs pedal system and retaining mechanism, the pedal system on support frame as described above
Including pedal gear and the reset pedal gear being used cooperatively with pedal gear, the pedal gear is connected with retaining mechanism, institute
It states retaining mechanism to be connected with locking pin, 1 or more the locking groove for locking pin insertion is offered on the lock-bit wheel hub.
The pedal gear includes pedal-rod, and the pedal-rod is rotatedly connected by shaft and support frame, the pedal-rod
It is connected with pedal, grab is installed on the pedal for resetting pedal gear side.
Pedal sliding slot is offered on the pedal-rod along its length, pedal is installed in the pedal sliding slot, it is described
Pedal-rod passes through pedal sliding slot by the first screw and is connected with pedal.
The reset pedal gear includes turning round axis, is rotatably equipped with torsion axis on support frame as described above, the torsion axis and six faces are straight
Bar is connected, and the location hook with grab locking is equipped on the straight-bar of six face；It is also equipped with reset pedal on the straight-bar of six face,
And the reset pedal and pedal arranged in dislocation.
First spring stack is installed on the torsion axis, second spring column, first spring are installed on support frame as described above
Column is connected with one end of tension spring, and the other end of the tension spring is connected with second spring column.
The retaining mechanism includes mounting blocks, and the mounting blocks are connected with support frame, the separate side that is connected with support frame
Sliding slot is offered on the mounting blocks, and slide bar is slidably fitted in the sliding slot, is equipped between the slide bar and sliding slot slot bottom
Pressure spring, described locking pin one end are connected with slide bar, and the locking pin other end passes through pressure spring and mounting blocks are connected with lock-bit wheel hub；
The slide bar far from pressure spring side is connected by the first connecting pin with first connecting rod, the first connecting rod far from slide bar side
It is connected by the second connecting pin with second connecting rod, the second connecting rod far from first connecting rod side is connected with shaft.
The sliding recess for first connecting rod insertion is offered on the mounting blocks.
Guide recess is offered on the lock-bit wheel hub outside locking groove, and the guide recess and locking groove phase are repeatedly
Logical installation；And the groove diameter for the guide recess of one end that is connected with locking groove is less than far from described in locking groove one end
The groove diameter of guide recess.
Cushion is installed on the grab inner sidewall and/or location hook inner sidewall.
The grab and location hook are made of chromium, and are coated on the grab lateral wall and/or location hook lateral wall
Wearing layer, the wearing layer are made of the raw material of following mass percent:
The beneficial effects of the present invention are:
(1) present invention brakes stroller wheel using linkage rod slide block mechanism, and flexibility and reliability, frictional force is small, uses
Service life is long；
(2) method that the present invention is separated using pedal with reset pedal function, avoids wheel from being lifted when unlocking with instep and steps on
Plate, it is not only laborsaving, but also avoid making vamp dirty.
(3) present invention uses spring reset method to make retaining mechanism and pedal gear upon discharge can be with quick release.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the partial enlargement diagram of A in Fig. 1；
Fig. 3 is the structural schematic diagram that grab and location hook are locked.
Specific embodiment
Embodiment 1
As shown in Figure 1, a kind of braking device of baby carriage, including support frame 1 and with the coaxial mounted lock-bit of stroller wheel
Wheel hub 2 installs pedal system on support frame as described above 1 and retaining mechanism, the pedal system includes pedal gear and and pedal exerciser
The reset pedal gear that structure is used cooperatively, the pedal gear are connected with retaining mechanism, the retaining mechanism and 3 phase of locking pin
Even, 1 or more the locking groove 4 being inserted into for locking pin 3 is offered on the lock-bit wheel hub 2.
The pedal gear includes pedal-rod 11, and the pedal-rod 11 is rotatedly connected by shaft 12 with support frame 1, described
Pedal-rod 11 is connected with pedal 13, is equipped with grab 14 on the pedal 13 for resetting pedal gear side.
Pedal sliding slot 15 is offered on the pedal-rod 11 along its length, pedal is installed in the pedal sliding slot 15
13, the pedal-rod 11 passes through pedal sliding slot 15 by the first screw 16 and is connected with pedal 13.
Pedal 13 described in the present embodiment during installation, can be slided along pedal sliding slot 15, for the father bigger for foot,
The distance between movable step 13 and reset pedal 24 avoid driving the reset pedal of setting aside in pedal 13
24；For mother smaller for foot, pedal 13 can be reduced and reset spacing between pedal 24, but guarantee pedal 13 and reset
About 24 pedal misplaces, and spacing is smaller between pedal 13 and reset pedal 24, convenient for quickly stepping in pedal 13 with reset
It is switched fast between plate 24, to guarantee the timeliness for braking or releasing brake.
The reset pedal gear includes turning round axis 21, is rotatably equipped on support frame as described above 1 and turns round axis 21, the torsions axis 21 and
Six face straight-bars 22 are connected, and the location hook 23 locked with grab 14 is equipped on six face straight-bar 22；On six face straight-bar 22
It is also equipped with and resets pedal 24, and the reset pedal 24 and 13 arranged in dislocation of pedal.
First spring stack 25 is installed on the torsion axis 21, second spring column 26 is installed on support frame as described above 1, described
One spring stack 25 is connected with one end of tension spring 27, and the other end of the tension spring 27 is connected with second spring column 26.
Tension spring 27 described in the present embodiment not only provides elastic force when grab 14 and location hook 23 are locked, to improve grab 14
Locking firmness between location hook 23, and reset drawing is provided when grab 14 and location hook 23 separate to reset pedal 24
Power, so that reset pedal 24 be enable to automatically reset.
As shown in Fig. 2, the retaining mechanism includes mounting blocks 31, the mounting blocks 31 are connected with support frame 1, separate with branch
Support 1, which is connected on the mounting blocks 31 of side, offers sliding slot 32, and slide bar 33, the cunning are slidably fitted in the sliding slot 32
Pressure spring 34 is installed, described 3 one end of locking pin is connected with slide bar 33, and the locking pin 3 is another between 32 slot bottom of bar 33 and sliding slot
End is connected across pressure spring 34 and mounting blocks 31 with lock-bit wheel hub 2；The slide bar 33 far from 34 side of pressure spring passes through the first connection
Pin 35 is connected with first connecting rod 36, and the first connecting rod 36 far from 33 side of slide bar passes through the second connecting pin 37 and second connecting rod
38 are connected, and the second connecting rod 38 far from 36 side of first connecting rod is connected with shaft 12.
The sliding recess 39 being embedded in for first connecting rod 36 is offered on the mounting blocks 31.
The slewing area that can expand first connecting rod 36 is arranged in sliding recess 39 described in the present embodiment, and first connecting rod 36 pushes
When can be embedded in sliding recess 39, thus enable slide bar 33 to greatest extent close to sliding slot 32 slot bottom, to make to lock
Pin 3 can stretch out mounting blocks 31 to the greatest extent, and the length that locking pin 3 stretches out mounting blocks 31 is bigger, then be inserted into locking groove 4
Length is deeper, to guarantee the stability of locking lock-bit wheel hub 2, avoids being easy because the length of insertion locking groove 4 is not deep enough
Locking pin 3 is separated with lock-bit wheel hub 2 due to external force, to lose the effect of locking brake.
Guide recess 5, the guide recess 5 and locking groove 4 are offered on the lock-bit wheel hub 2 outside locking groove 4
Be connected connection installation；And the groove diameter for the guide recess 5 of one end that is connected with locking groove 4 is less than far from locking groove 4
The groove diameter of the guide recess 5 of one end.
The setting of guide recess 5 described in the present embodiment can guide locking pin 3 to be inserted into locking groove 4.Due to
1 or more locking groove 4 is offered on lock-bit wheel hub 2, therefore there are gaps between the two neighboring locking groove 4, if
Locking pin 3 contacts on the lock-bit wheel hubs 2 between two locking grooves 4 when locking the downslide of lock-bit wheel hub 2, then causes
Locking pin 3 cannot lock brake lock-bit wheel hub 2, to cannot play the role of brake.And the setting of guide recess 5 can expand
The range of groove 4 is locked, reduces gap between the two neighboring locking groove 4, when locking pin 3 is in the case where locking lock-bit wheel hub 2
When sliding, when contacting on the lock-bit wheel hub 2 between two locking grooves 4, locking groove can be slid by guide recess 5
In 4, to play the role of brake.
Mountable cushion 6 on 23 inner sidewall of mountable cushion 6 or location hook on 14 inner sidewall of grab.Or card
Cushion 6 is installed simultaneously on 23 inner sidewall of 14 inner sidewall of hook and location hook.According to for grab 14 and the locking of location hook 23
When stability requirement, the mounting means of cushion 6 can be selected according to the actual situation.14 inner sidewall of grab described in the present embodiment
With cushion 6 is installed simultaneously on 23 inner sidewall of location hook.
Grab 14 described in the present embodiment and location hook 23 are in locking, both cushion 6 can be avoided rigid extrusion friction,
To reduce the intensity of grab 14 Yu 23 access section of location hook；Simultaneously because grab 14 and location hook 23 can make to delay in locking
It rushes pad 6 and squeezes that deformation occurs, and deformation occurs that place can fill the gap of grab 14 Yu location hook 23 for cushion 6, to improve
The stability that grab 14 and location hook 23 are clamped.
The grab 14 and location hook 23 are made of chromium.Chromium is the maximum metal of hardness, for the grab 14 of arc shape
With location hook 23, the curved surface made of chromium, hardness is high, and abrasion loss is few.
Can apply on 14 lateral wall of grab can apply coating rubbing-layer on 23 lateral wall of coating rubbing-layer or location hook.Or grab
14 and 23 lateral wall of location hook on be coated with wearing layer.It, can be according to reality according to the requirement for 23 intensity of grab 14 and location hook
Border situation applies coating rubbing-layer on 23 lateral wall of grab 14 and location hook.23 outside of grab 14 described in the present embodiment and location hook
Wearing layer is coated on wall.The setting of wearing layer can reduce the abrasion loss of grab 14 and location hook 23, to improve grab 14
With the intensity of location hook 23.
The wearing layer is made of the raw material of following mass percent:
Graphene has good toughness, after novolac epoxy resin being made to solidify after addition graphene in novolac epoxy resin
Toughness enhancing, to improve the wearability and lubricity of novolac epoxy resin.The hardness of carborundum powder is very big, carborundum powder
The abrasive resistance that can be improved wearing layer is added.Glass putty can be improved the intensity of wearing layer, and the amount of glass putty is few to be then not achieved raising
The amount of the effect of wearing layer intensity, glass putty excessively then will appear enrichment trend.
As shown in figure 3, braking device of baby carriage described in the present embodiment, when using not braking, the slide bar 33 is by pressure spring
34 resilient supports, locking pin 3 are not contacted with the lock-bit wheel hub 2, and wheel is enable to be freely rotated, and perambulator is in and is traveled freely
In；Meanwhile the grab 14 is in straightened condition, 14 hook end of grab and 23 hook end of location hook with the pedal 13
It does not contact.
When needing to brake, pedal 13 is stepped on foot, while pedal-rod 11, shaft 12 being driven to rotate, 36 He of first connecting rod
Second connecting rod 38 drives the slide bar 33 32 slide downward along the chute under the drive of shaft 12, is inserted into the lock of the lock-bit wheel hub 2
In tight groove 4, by the lock-bit wheel hub 2 and wheel locked, its rotation is prevented；Drive backspin of the grab 14 in pedal 13 simultaneously
Turn, and cross 23 hook end of location hook, contacts 14 hook end of grab with 23 hook end of location hook；When releasing the pedal 13
Afterwards, the grab 14 is tangled by the location hook 23, and prevents its reset under 27 pulling force effect of tension spring.
It when vehicle terminates to brake, and needs to continue to move ahead, is stepped on foot and resets pedal 24, rotate location hook 23, until
Grab 14 is detached from the limitation of location hook 23, straight position is replied under the effect of 34 elastic force of pressure spring, and the slide bar 33 is also replied just
Beginning position, releases the limitation to lock-bit wheel hub 2, and wheel can be freely rotated.
Embodiment 2-11 the difference from embodiment 1 is that: the raw material of wearing layer is following table by mass percentage:
| Novolac epoxy resin | Graphene | Carborundum powder | Glass putty | Curing agent | |
| Embodiment 2 | 60 | 20 | 8 | 7 | 5 |
| Embodiment 3 | 61 | 19 | 9 | 6 | 5 |
| Embodiment 4 | 62 | 18 | 9 | 5 | 6 |
| Embodiment 5 | 62 | 17 | 10 | 5 | 6 |
| Embodiment 6 | 62 | 15 | 11 | 5 | 7 |
| Embodiment 7 | 63 | 14 | 11 | 5 | 7 |
| Embodiment 8 | 67 | 10 | 9 | 5 | 9 |
| Embodiment 9 | 68 | 10 | 8 | 5 | 9 |
| Embodiment 10 | 69 | 10 | 8 | 6 | 7 |
| Embodiment 11 | 66 | 10 | 14 | 5 | 5 |
Comparative example
Comparative example 1-7 is the difference from embodiment 1 is that the raw material for preparing wearing layer is following table by mass percentage:
| Novolac epoxy resin | Graphene | Carborundum powder | Glass putty | Curing agent | |
| Comparative example 1 | 65 | 0 | 15 | 10 | 10 |
| Comparative example 2 | 65 | 15 | 0 | 10 | 10 |
| Comparative example 3 | 65 | 16 | 12 | 0 | 7 |
| Comparative example 4 | 80 | 0 | 0 | 10 | 10 |
| Comparative example 5 | 70 | 20 | 0 | 0 | 10 |
| Comparative example 6 | 75 | 0 | 15 | 0 | 10 |
| Comparative example 7 | 90 | 0 | 0 | 0 | 10 |
Detection method
Wearability detection
Wear-resistant paint made by embodiment 1 and comparative example 1-7 is coated in the grab made of chromium and location hook
On, and the thickness coated is 80 μm.
The grab and location hook for being coated with wear-resistant paint layer carry out frictional experiment, grab and location hook clamping and unclamp one
A circulation be it is primary, carry out frictional experiment under conditions of identical temperature and humidity, 8 groups of grabs and location hook repeatedly 3000
It is secondary, the abrasion condition of grab and location hook is detected after the completion of circulation respectively, abrasion condition is as follows:
| Experimental group | Abrasion condition |
| Embodiment 1 | Wearing layer is not worn, can not visually see chromium base |
| Comparative example 1 | Wearing layer is worn, visually it can be seen that the chromium base of fritter |
| Comparative example 2 | Wearing layer is worn, visually it can be seen that the chromium base of fritter |
| Comparative example 3 | Wearing layer is worn, visually it can be seen that the chromium base of fritter |
| Comparative example 4 | Wearing layer is worn, visually it can be seen that the chromium base of bulk |
| Comparative example 5 | Wearing layer is worn, visually it can be seen that the chromium base of bulk |
| Comparative example 6 | Wearing layer is worn, visually it can be seen that the chromium base of bulk |
| Comparative example 7 | Wearing layer is worn, and naked eyes are it can be seen that chromium base |
It can be seen that the grab and location hook of coating 1 wearing layer of the present embodiment by the above comparative example and its detection list
The not shown chromium base after carrying out 3000 frictions repeatedly, it is seen that its abrasion resistant effect of the wearing layer of embodiment 1 is good, can be improved
The wear-resisting property of grab and location hook；The grab and location hook for coating comparative example 1-3 wearing layer rub repeatedly for 3000 times
Wearing layer is worn after wiping, visually it can be seen that the chromium base of fritter, it is seen that its abrasion resistant effect phase of the wearing layer of comparative example 1-3
In contrast to embodiment 1, wear resistance decrease；The grab and location hook for coating 4-6 wearing layer of comparative example are carrying out 3000 times
Wearing layer is worn after rubbing repeatedly, naked eyes it can be seen that bulk chromium base, it is seen that its is wear-resisting for the wearing layer of comparative example 4-6
Effect further declines compared to comparative example 1-3, wear-resisting property；The grab and location hook for coating 7 wearing layer of comparative example exist
Wearing layer is worn after carrying out 3000 frictions repeatedly, and naked eyes are it can be seen that chromium base, it is seen that its is resistance to for the wearing layer of comparative example 7
Effect is ground compared to comparative example 4-6, wear-resisting property further declines.
Pedal system is divided into pedal gear and resets pedal gear by a kind of braking device of baby carriage of the present embodiment,
It is not only easy to operate, but also frequency of use is reduced, effectively improve the service life of brake gear.
Claims (10)
1. a kind of braking device of baby carriage, it is characterised in that: including support frame (1) and with the coaxial mounted lock-bit of stroller wheel
Wheel hub (2), installs pedal system and retaining mechanism on support frame as described above (1), the pedal system include pedal gear and with step on
The reset pedal gear that trigger structure is used cooperatively, the pedal gear are connected with retaining mechanism, the retaining mechanism and locking pin
(3) it is connected, 1 or more the locking groove (4) for locking pin (3) insertion is offered on the lock-bit wheel hub (2).
2. a kind of braking device of baby carriage according to claim 1, it is characterised in that: the pedal gear includes pedal-rod
(11), the pedal-rod (11) is rotatedly connected by shaft (12) with support frame (1), the pedal-rod (11) and pedal (13) phase
Even, grab (14) are installed on the pedal (13) for resetting pedal gear side.
3. a kind of braking device of baby carriage according to claim 2, it is characterised in that: along its length on the pedal-rod (11)
Degree direction offers pedal sliding slot (15), is equipped with pedal (13) in the pedal sliding slot (15), the pedal-rod (11) passes through
First screw (16) passes through pedal sliding slot (15) and is connected with pedal (13).
4. a kind of braking device of baby carriage according to claim 1, it is characterised in that: the reset pedal gear includes turning round
Axis (21) is rotatably equipped on support frame as described above (1) and turns round axis (21), and the torsion axis (21) is connected with six face straight-bars (22), described
Location hook (23) with grab (14) locking is installed on six face straight-bars (22)；Reset is also equipped on six face straight-bar (22)
Pedal (24), and the reset pedal (24) and pedal (13) arranged in dislocation.
5. a kind of braking device of baby carriage according to claim 4, it is characterised in that: be equipped on the torsion axis (21)
One spring stack (25) is equipped with second spring column (26) on support frame as described above (1), first spring stack (25) and tension spring (27)
One end be connected, the other end of the tension spring (27) is connected with second spring column (26).
6. a kind of braking device of baby carriage according to claim 1, it is characterised in that: the retaining mechanism includes mounting blocks
(31), the mounting blocks (31) are connected with support frame (1), separate to be connected on the mounting blocks (31) of side with support frame (1)
Offer sliding slot (32), be slidably fitted with slide bar (33) in the sliding slot (32), the slide bar (33) and sliding slot (32) slot bottom it
Between be equipped with pressure spring (34), described locking pin (3) one end is connected with slide bar (33), locking pin (3) other end pass through pressure spring
(34) it is connected with mounting blocks (31) with lock-bit wheel hub (2)；The slide bar (33) far from pressure spring (34) side passes through the first connection
Pin (35) is connected with first connecting rod (36), and the first connecting rod (36) far from slide bar (33) side passes through the second connecting pin (37)
It is connected with second connecting rod (38), the second connecting rod (38) far from first connecting rod (36) side is connected with shaft (12).
7. a kind of braking device of baby carriage according to claim 6, it is characterised in that: offered on the mounting blocks (31)
For the sliding recess (39) of first connecting rod (36) insertion.
8. a kind of braking device of baby carriage according to claim 1, it is characterised in that: the lock of locking groove (4) outside
It is offered guide recess (5) on position wheel hub (2), the guide recess (5) is connected with locking groove (4) is connected to installation；And with lock
The groove diameter of the guide recess (5) of tight connected one end of groove (4) is less than the guidance far from locking groove (4) one end
The groove diameter of groove (5).
9. a kind of braking device of baby carriage according to claim 2 or 4, it is characterised in that: grab (14) inner sidewall
And/or cushion (6) are installed on location hook (23) inner sidewall.
10. a kind of braking device of baby carriage according to claim 2 or 4, it is characterised in that: the grab (14) and positioning
Hook (23) is made of chromium, and wearing layer is coated on the grab (14) lateral wall and/or location hook (23) lateral wall, described
Wearing layer is made of the raw material of following mass percent:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910138955.6A CN109720397B (en) | 2019-02-25 | 2019-02-25 | Brake device of baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910138955.6A CN109720397B (en) | 2019-02-25 | 2019-02-25 | Brake device of baby carriage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109720397A true CN109720397A (en) | 2019-05-07 |
| CN109720397B CN109720397B (en) | 2023-02-28 |
Family
ID=66300097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910138955.6A Active CN109720397B (en) | 2019-02-25 | 2019-02-25 | Brake device of baby carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109720397B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH425125A (en) * | 1964-09-07 | 1966-11-30 | Schnetzler Anton | Braking device for the rollers on chassis |
| JP2002193107A (en) * | 2000-12-25 | 2002-07-10 | Trusco Nakayama Corp | Hand carrier car |
| CN201151422Y (en) * | 2007-11-13 | 2008-11-19 | 钟志群 | Back wheel steering hand brake perambulator |
| CN202193108U (en) * | 2011-06-24 | 2012-04-18 | 中山市隆成日用制品有限公司 | Braking mechanism for baby carriage |
| CN205589283U (en) * | 2016-02-29 | 2016-09-21 | 英属维京群岛商贯新企业股份有限公司 | Perambulator and perambulator brake mechanism |
| CN209617242U (en) * | 2019-02-25 | 2019-11-12 | 浙江工业职业技术学院 | a brake device |
-
2019
- 2019-02-25 CN CN201910138955.6A patent/CN109720397B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH425125A (en) * | 1964-09-07 | 1966-11-30 | Schnetzler Anton | Braking device for the rollers on chassis |
| JP2002193107A (en) * | 2000-12-25 | 2002-07-10 | Trusco Nakayama Corp | Hand carrier car |
| CN201151422Y (en) * | 2007-11-13 | 2008-11-19 | 钟志群 | Back wheel steering hand brake perambulator |
| CN202193108U (en) * | 2011-06-24 | 2012-04-18 | 中山市隆成日用制品有限公司 | Braking mechanism for baby carriage |
| CN205589283U (en) * | 2016-02-29 | 2016-09-21 | 英属维京群岛商贯新企业股份有限公司 | Perambulator and perambulator brake mechanism |
| CN209617242U (en) * | 2019-02-25 | 2019-11-12 | 浙江工业职业技术学院 | a brake device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109720397B (en) | 2023-02-28 |
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