CN209617241U - A kind of Portable carriage brake gear - Google Patents
A kind of Portable carriage brake gear Download PDFInfo
- Publication number
- CN209617241U CN209617241U CN201920235419.3U CN201920235419U CN209617241U CN 209617241 U CN209617241 U CN 209617241U CN 201920235419 U CN201920235419 U CN 201920235419U CN 209617241 U CN209617241 U CN 209617241U
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- CN
- China
- Prior art keywords
- pedal
- gear
- sliding slot
- support frame
- grab
- 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.)
- Expired - Fee Related
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- Braking Elements And Transmission Devices (AREA)
Abstract
The utility model discloses a kind of Portable carriage brake gear, including support frame and with the coaxial mounted lock-bit wheel hub of stroller wheel, pedal system and retaining mechanism are installed on support frame, pedal system includes pedal gear and the reset pedal gear being used cooperatively with pedal gear, pedal gear is connected with retaining mechanism, retaining mechanism is connected with locking pin, and 1 or more the locking groove for locking pin insertion is offered on lock-bit wheel hub;Pedal gear includes pedal-rod, offers pedal sliding slot on pedal-rod along its length, and pedal is equipped in pedal sliding slot, and pedal-rod passes through pedal sliding slot by the first screw and is connected with pedal;Grab is installed on the pedal for resetting pedal gear side.Pedal system is divided into pedal gear and resets pedal gear by a kind of Portable carriage brake gear described in the utility model, and structure is simple, easy to use;The adjustable setting of pedal is suitble to the user of different foot sizes to use.
Description
Technical field
The utility model relates to a kind of Portable carriage brake gears.
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.
Utility model content
The purpose of this utility model is to provide a kind of Portable carriage brake gears, and pedal system is divided into pedal exerciser
Structure and reset pedal gear, structure is simple, easy to use;The adjustable setting of pedal is suitble to the use of different foot sizes
Person uses.
In order to achieve the above object, the technical solution of the present invention is:
A kind of Portable carriage brake gear, including support frame and with the coaxial mounted lock-bit wheel hub of stroller wheel,
Pedal system and retaining mechanism are installed, the pedal system includes pedal gear and makes with pedal gear cooperation on support frame as described above
Reset pedal gear, the pedal gear are connected with retaining mechanism, and the retaining mechanism is connected with locking pin, the lock-bit
1 or more the locking groove for locking pin insertion is offered on wheel hub;
The pedal gear includes pedal-rod, offers pedal sliding slot on the pedal-rod along its length, described to step on
Pedal is installed, the pedal-rod passes through pedal sliding slot by the first screw and is connected with pedal in plate sliding slot;Close to reset pedal
Grab is installed on the pedal of mechanism side.
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.
Cushion is installed on the grab inner sidewall and/or location hook inner sidewall.
The beneficial effects of the utility model are:
(1) the utility model brakes stroller wheel using linkage rod slide block mechanism, and flexibility and reliability, frictional force is small,
Long service life;
(2) method that the utility model is separated using pedal with reset pedal function, avoids wheel from being mentioned when unlocking with instep
Pedal is played, it is not only laborsaving, but also avoid making vamp dirty.
(3) the utility model solve retaining mechanism and pedal gear can quickly upon discharge using spring reset method
Lock.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
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 Portable carriage brake gear, including support frame 1 and it is co-axially mounted with stroller wheel
Lock-bit wheel hub 2, pedal system and retaining mechanism be installed on support frame as described above 1, the pedal system include pedal gear and with
The reset pedal gear that pedal gear is used cooperatively, the pedal gear are connected with retaining mechanism, the retaining mechanism and locking
Pin 3 is connected, and 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, offers pedal sliding slot 15 along its length on the pedal-rod 11,
Pedal 13 is installed, the pedal-rod 11 passes through pedal sliding slot 15 and pedal 13 by the first screw 16 in the pedal sliding slot 15
It is connected;Grab 14 is installed on the pedal 13 for resetting pedal gear side.
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 embodiment not only provides elastic force when grab 14 and location hook 23 are locked, to improve 14 He of grab
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.
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:
Novolac epoxy resin 63%;
Graphene 12%;
Carborundum powder 11%;
Glass putty 7%;
Curing agent 7%.
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, Portable carriage brake gear described in the present embodiment using do not brake when, the slide bar 33
By 34 resilient support of pressure spring, locking pin 3 is not contacted with the lock-bit wheel hub 2, and wheel is enable to be freely rotated, and perambulator is in freely
In traveling;Meanwhile the grab 14 is in straightened condition, 14 hook end of grab and the location hook 23 with the pedal 13
Hook end 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.
Pedal system is divided into pedal gear and resets pedal exerciser by a kind of Portable carriage brake gear of the present embodiment
Structure, structure is simple, easy to use;The adjustable setting of pedal is suitble to the user of different foot sizes to use.
Claims (6)
1. a kind of Portable carriage brake gear, it is characterised in that: be co-axially mounted including support frame (1) and with stroller wheel
Lock-bit wheel hub (2), pedal system is installed on support frame as described above (1) and retaining mechanism, the pedal system include pedal gear
With the reset pedal gear being used cooperatively with pedal gear, the pedal gear is connected with retaining mechanism, the retaining mechanism with
Locking pin (3) is connected, and 1 or more the locking groove (4) for locking pin (3) insertion is offered on the lock-bit wheel hub (2);
The pedal gear includes pedal-rod (11), offers pedal sliding slot along its length on the pedal-rod (11)
(15), it is equipped with pedal (13) in the pedal sliding slot (15), the pedal-rod (11) passes through pedal by the first screw (16)
Sliding slot (15) is connected with pedal (13);Grab (14) are installed on the pedal (13) for resetting pedal gear side.
2. a kind of Portable carriage brake gear according to claim 1, it is characterised in that: the reset pedal gear
Including turning round axis (21), it is rotatably equipped on support frame as described above (1) and turns round axis (21), the torsion axis (21) and six face straight-bar (22) phases
Even, the location hook (23) with grab (14) locking is installed on six face straight-bar (22);Also pacify on six face straight-bar (22)
Equipped with resetting pedal (24), and the resets pedal (24) and pedal (13) arranged in dislocation.
3. a kind of Portable carriage brake gear according to claim 2, it is characterised in that: pacify on the torsion axis (21)
It equipped with the first spring stack (25), is equipped on support frame as described above (1) second spring column (26), first spring stack (25) and drawing
One end of spring (27) is connected, and the other end of the tension spring (27) is connected with second spring column (26).
4. a kind of Portable carriage brake gear 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), the mounting blocks of the separate side that is connected with support frame (1)
(31) it offers on sliding slot (32), is slidably fitted with slide bar (33) in the sliding slot (32), the slide bar (33) and sliding slot (32)
It is equipped between slot bottom pressure spring (34), described locking pin (3) one end is connected with slide bar (33), and locking pin (3) other end is worn
It crosses pressure spring (34) and mounting blocks (31) is connected with lock-bit wheel hub (2);The slide bar (33) far from pressure spring (34) side passes through the
One connecting 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 connection
Pin (37) is connected with second connecting rod (38), the second connecting rod (38) and shaft (12) phase far from first connecting rod (36) side
Even.
5. a kind of Portable carriage brake gear according to claim 4, it is characterised in that: on the mounting blocks (31)
Offer the sliding recess (39) for first connecting rod (36) insertion.
6. a kind of Portable carriage brake gear according to claim 1 or 2, it is characterised in that: the grab (14)
Cushion (6) are installed on inner sidewall and/or location hook (23) inner sidewall.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920235419.3U CN209617241U (en) | 2019-02-25 | 2019-02-25 | A kind of Portable carriage brake gear |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920235419.3U CN209617241U (en) | 2019-02-25 | 2019-02-25 | A kind of Portable carriage brake gear |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209617241U true CN209617241U (en) | 2019-11-12 |
Family
ID=68454585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920235419.3U Expired - Fee Related CN209617241U (en) | 2019-02-25 | 2019-02-25 | A kind of Portable carriage brake gear |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209617241U (en) |
-
2019
- 2019-02-25 CN CN201920235419.3U patent/CN209617241U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 Termination date: 20200225 |
|
CF01 | Termination of patent right due to non-payment of annual fee |