CN107259748A - A kind of pull bar brake structure and draw-bar box - Google Patents
A kind of pull bar brake structure and draw-bar box Download PDFInfo
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- CN107259748A CN107259748A CN201710499622.7A CN201710499622A CN107259748A CN 107259748 A CN107259748 A CN 107259748A CN 201710499622 A CN201710499622 A CN 201710499622A CN 107259748 A CN107259748 A CN 107259748A
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- pull bar
- latch
- hole
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- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 229910000831 Steel Inorganic materials 0.000 claims description 47
- 239000010959 steel Substances 0.000 claims description 47
- 230000000994 depressogenic effect Effects 0.000 claims description 17
- 210000003041 ligament Anatomy 0.000 claims description 6
- 238000005452 bending Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/14—Rigid or semi-rigid luggage with built-in rolling means
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/26—Special adaptations of handles
- A45C13/28—Combinations of handles with other devices
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a kind of pull bar brake structure, assistant is pressed button, pull bar hand is pushed overall, the pin of triggering transmission mechanism, which is retracted, sells cylinder, in the presence of dynamic elastic part, and brake part is ejected, start limitation casing and move；When withdrawing brake part, pull bar hand is pressed upper button, button is put down after lifting, up lift hand handle naturally again, the pin meeting nature of transmission mechanism slips into the spacing hole on through hole and position-limiting tube on pin cylinder and locked, continuation is up carried, braking mechanism, which will link, up to be moved, the pin of braking mechanism will enter in corresponding spacing hole, and braking mechanism is locked, wait action that brake can be achieved without bending over or release brake, it is simple to operate, brake structure is integrated with Tiebar structure, and extra installing space is not needed substantially, elegant in appearance.It is simple in construction present invention also offers a kind of draw-bar box, pull bar is pressed down, brake comes into force；Pull-up pull bar is recoverable brake gear, simple to operate, elegant in appearance.
Description
Technical field
The present invention relates to draw-bar box technical field, more particularly to a kind of pull bar brake structure and draw-bar box.
Background technology
Draw-bar box refers to the luggage case with pull bar and roller, including suitcase and tool box.Because its is easy to use, draw-bar box
Have become the preferred equipment of out of town trip.Draw-bar box is provided with a pull bar, to facilitate during walking in tow, can mitigate negative significantly
Load.In order to avoid draw-bar box is in non-working condition shift, brake structure can be typically set on draw-bar box.
Draw-bar box brake structure on the market, typically takes two kinds of brake modes at present.One kind is directly to be set on wheel
A clamping hook is put as position-limit mechanism, the groove on the inside of clamping hook, the spacer pin insertion wheel on fastener both sides, limit is depressed
The rotation of ratch and reach the purpose of brake.Another is the handle by being arranged on other positions, by steel wire-driven,
Steel wire drives spacer pin or other kinds of position limiting structure and rotated or increase rotation to block or increase friction to limit wheel
Resistance, so as to reach the purpose of brake.
But, there is following defect in existing draw-bar box brake structure：
(1) brake structure needs to be additionally provided on the outside of draw-bar box miscellaneous part, wasting space, and influences attractive in appearance；
(2) brake stability is not good enough, it is impossible to suitable for the use of a variety of landform.
The content of the invention
In order to overcome the deficiencies in the prior art, an object of the present invention is to provide a kind of pull bar brake structure, structure
Simply, it is brake part is integrated with tie component, space is saved, it is elegant in appearance, and good, the built-in power of brake stability
Spring can voluntarily adjust brake degree, can voluntarily adapt to different landform.
The second object of the present invention is to provide a kind of draw-bar box, simple in construction, presses down pull bar, brake comes into force；Pull-up
Pull bar is recoverable brake gear, simple to operate, and action is waited without bending over；Brake structure is integrated with Tiebar structure,
Substantially extra installing space is not needed, it is elegant in appearance.
An object of the present invention adopts the following technical scheme that realization：
A kind of pull bar brake structure, including trigger mechanism, transmission mechanism, braking mechanism and position-limiting tube；The trigger mechanism
Including hand handle and transmission steel wire；The hand is button is above provided with, and the transmission steel wire is arranged on the lower section of the button, pushed
Or the release button causes the transmission steel wire to move down or rise；
The transmission mechanism includes outer tube, inner tube and inner tube stopping means；The first chute is offered on the outer tube；It is described
Inner tube position-limit mechanism includes the first pin cylinder, the first alignment pin, the first elastic component and the first latch；The side wall of the first pin cylinder is set
It is equipped with first through hole；The top surface of first alignment pin is provided with the first depressed part to lower recess, and first depressed part is set
There is inclined first inclined-plane from top to down；The side of first alignment pin is provided with the first pin；Under first latch
Portion is provided with first matched with first inclined-plane and tilts plug-in unit；First elastic component and first alignment pin or so are simultaneously
Row is arranged in the first pin cylinder, and first pin passes the first through hole and first chute successively；Described
One latch is arranged in the first pin cylinder and positioned at the top of first alignment pin, and first latch is arranged on the biography
The lower section of dynamic steel wire；Said inner tube gap is set in outside the transmission steel wire, and the outer ligament is set in outside said inner tube；Institute
The upper end for stating inner tube is connected with hand handle, and said inner tube lower end is connected with the described first pin cylinder；
The braking mechanism includes brake stopping means, spacing heel piece and dynamic elastic part；The brake stopping means bag
Include the second pin cylinder, the second alignment pin, the second elastic component and the second latch；The side wall of the second pin cylinder is provided with the second through hole；
The top surface of second alignment pin is provided with the second depressed part to lower recess, and second depressed part is provided with to be tilted from top to down
The second inclined-plane；The side of second alignment pin is provided with the second pin；The bottom of second latch be provided with it is described
The second of second inclined-plane matching tilts plug-in unit；Second elastic component and second alignment pin or so are disposed side by side on described
In two pin cylinders, second pin passes second through hole；Second latch is arranged in the second pin cylinder and is located at
The top of second alignment pin, second latch is arranged on the lower section of the first pin cylinder；The spacing heel piece is arranged on
The lower section of the second pin cylinder；One end of the dynamic elastic part with described second pin cylinder be connected, its other end with it is described spacing
Heel piece is connected；The lower end of the outer tube is connected with the described second pin cylinder；
The first spacing hole and the second spacing hole are provided with the position-limiting tube, it is spacing that the position-limiting tube is set in said inner tube
Outside device and the brake stopping means, the lower end of the spacing pipe sleeve is connected with the spacing heel piece；First pin is worn
Go out first spacing hole, second pin passes second spacing hole.
Further, the transmission mechanism also includes middle pipe and middle pipe stopping means；The second cunning is offered on the middle pipe
Groove；The middle pipe stopping means includes the 3rd pin cylinder, the 3rd alignment pin, the 3rd elastic component and the 3rd latch；The 3rd pin cylinder
Side wall be provided with third through-hole；The top surface of 3rd alignment pin is provided with the 3rd depressed part to lower recess, and the described 3rd is recessed
Sunken portion is provided with inclined 3rd inclined-plane from top to down；The side of 3rd alignment pin is provided with the 3rd pin；Described 3rd
The bottom of latch is provided with the 3rd matched with the 3rd inclined-plane and tilts plug-in unit；3rd elastic component and the 3rd positioning
Pin left and right is disposed side by side in the 3rd pin cylinder, and the 3rd pin passes the third through-hole and described first and slided successively
Groove；3rd latch is arranged in the 3rd pin cylinder and positioned at the top of the 3rd alignment pin；The spacing dress of said inner tube
Put, the middle pipe stopping means and the brake stopping means are set from top to down successively；The middle ligament is set in described
Outside inner tube, the outer ligament is set in outside the middle pipe；The lower end of the middle pipe is connected with the described 3rd pin cylinder；It is described spacing
Be provided with the first spacing hole, the second spacing hole and the 3rd spacing hole on pipe, first pin pass successively the first through hole,
Second chute, first chute and the first spacing hole；Second pin passes second through hole and described successively
Second spacing hole；3rd pin passes the third through-hole, first chute and the 3rd spacing hole successively.
Further, the transmission steel wire includes setting below the first transmission steel wire and the second transmission steel wire, the button
Transverse connection is equipped with, the 4th elastic component is provided between the button and the transverse connection；The first transmission steel wire
The left and right ends of the transverse connection are separately positioned on the described second transmission steel wire.
Further, the trigger mechanism also includes hand fixed seat；The hand be provided with fixed seat up and down communicate
Mounting groove, be provided with outer tube fastener in the mounting groove, the upper end of the outer tube is connected with the outer tube fastener；It is described
It is driven steel wire and passes through the mounting groove.
Further, the trigger mechanism also includes hand fixed seat；The hand be provided with fixed seat up and down communicate
Mounting groove, outer tube fastener and middle pipe clamp fastener, the upper end of the outer tube and the outer pipe clamp are provided with the mounting groove
Fastener is connected, and the upper end of the middle pipe is connected with the middle pipe clamp fastener；The transmission steel wire passes through the mounting groove.
Further, the braking mechanism also includes protection sleeve pipe；The protection sleeve pipe is set in the dynamic elastic part
Outside, the lower end of the protection sleeve pipe is connected with the spacing heel piece；The position-limiting tube is set in outside the protection sleeve pipe.
Further, it is described first pin cylinder include top cylinder and lower cylinder, the first through hole be arranged on it is described under
On the side wall of portion's cylinder；The side wall of the top cylinder offers stopper slot；Protrusion is provided with the side wall of first latch
Part；First latch is arranged in the top cylinder, and the protruding part is arranged in the stopper slot；First elasticity
Part and first alignment pin or so are disposed side by side in the lower cylinder.
Further, the outer tube is rectangular tube or round tube；Said inner tube is rectangular tube or round tube.
Further, first elastic component, second elastic component and the dynamic elastic part are spring.
The second object of the present invention adopts the following technical scheme that realization：
A kind of draw-bar box, including casing and described pull bar brake structure；The pull bar brake structure is arranged on institute's casing
On.
Compared with prior art, the beneficial effects of the present invention are：
(1) pull bar brake structure provided by the present invention, when braking mechanism is in retracted mode, the first pin is inserted in limit
In first spacing hole of position pipe, the second pin is inserted in the second spacing hole of position-limiting tube, and power spring is in compressive state；When need
When using brake, hand is pushed upper button, button drives transmission steel wire to move down, transmission steel wire presses down the first latch, by
It is that inclined-plane coordinates in the first latch and the first alignment pin, the first latch continues to move down, the first alignment pin will be toward the first elasticity
The direction movement of part so that the first pin departs from first through hole and the first spacing hole, and inner tube is spacing to be released from；Continue to push hand
Drive first to sell cylinder, inner tube to move down, the first pin cylinder presses down the second latch, the second pin departs from the second through hole and second spacing
Hole, the spacing of brake gear is released from, now, and power spring is released and recovers deformation, drives position-limiting tube and spacing heel piece past
Lower ejection, brake comes into force, and spacing heel piece starts to limit the movement of casing, because the flexible deformation amplitude of power spring so that
Spacing heel piece can be flexible up and down, realizes the braking action of a variety of height, it is adaptable to a variety of landform.When need withdraw braking machine
During structure, push button, transmission steel wire presses down the first latch, and the first latch drives the first alignment pin to move down, when the first alignment pin
When being moved at the first spacing hole of position-limiting tube, the first pin passes the first spacing hole；Now, release button, continuation is up carried
Hand handle, because position-limiting tube is caught on by the first pin, position-limiting tube also can be conveniently up moving, when the second spacing hole of position-limiting tube is moved
When moving to the position of the second pin, the second pin passes the second spacing hole, and position-limiting tube resets, and power spring recovers compressive state,
Spacing heel piece is withdrawn, and brake is released.The pull bar brake structure sets simple, by overall brake solution integration to pull bar position, surely
Qualitative and robustness is greatly improved, and is braked than original wheel strong durable, sky is more saved than other modes brake modes
Between, and it is reliable and stable, do not influenceed, can be kept for a long time using stable and reliable by other factors.
(2) draw-bar box structure provided by the present invention is simple, presses down pull bar, brake comes into force；Pull-up pull bar is recoverable
Brake gear, it is simple to operate, wait action without bending over；Brake structure is integrated with Tiebar structure, and volume is not needed substantially
Outer installing space, it is elegant in appearance.
Brief description of the drawings
The overall schematic for the pull bar brake structure that Fig. 1 is provided by the embodiment of the present invention 1；
The exploded perspective view for the pull bar brake structure that Fig. 2 is provided by the embodiment of the present invention 1；
The another exploded perspective view for the pull bar brake structure that Fig. 3 is provided by the embodiment of the present invention 1；
The schematic diagram of the inner tube stopping means for the pull bar brake structure that Fig. 4 is provided by the embodiment of the present invention 1；
The profile during retracted mode for the pull bar brake structure that Fig. 5 is provided by the embodiment of the present invention 1；
The profile during use state for the pull bar brake structure that Fig. 6 is provided by the embodiment of the present invention 1；
The schematic diagram that the draw-bar box that Fig. 7 is provided by the embodiment of the present invention 2 brakes when withdrawing；
Schematic diagram when the draw-bar box brake that Fig. 8 is provided by the embodiment of the present invention 2 comes into force.
In figure：10th, hand handle；11st, button；12nd, it is driven steel wire；13rd, transverse connection；20th, inner tube；21st, the first pin cylinder；
22nd, the first alignment pin；23rd, the first pin；24th, the first elastic component；25th, the first latch；26th, protruding part；30th, outer tube；40th, it is spacing
Heel piece；41st, dynamic elastic part；42nd, protection sleeve pipe；43rd, the second pin cylinder；50th, middle pipe；51st, the 3rd pin cylinder；60th, position-limiting tube；70、
Hand is fixed seat；71st, outer tube fastener；72nd, middle pipe clamp fastener；80th, casing.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further, it is necessary to which explanation is, not
Under the premise of afoul, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
Embodiment 1
As shown in figures 1 to 6, a kind of pull bar brake structure, including trigger mechanism, transmission mechanism, braking mechanism and position-limiting tube
60；Trigger mechanism includes hand 10 and transmission steel wire 12；Hand is button 11 is provided with 10, transmission steel wire 12 is arranged on button 11
Lower section, push or release button 11 so that transmission steel wire 12 move down or rise；
Transmission mechanism includes the stopping means of inner tube 20, outer tube 30 and inner tube 20；The first chute is offered on outer tube 30；Inner tube
20 position-limit mechanisms include the first pin cylinder 21, the first alignment pin 22, the first elastic component 24 and the first latch 25；The side of first pin cylinder 21
Wall is provided with first through hole；The top surface of first alignment pin 22 is provided with the first depressed part to lower recess, and the first depressed part is provided with
Inclined first inclined-plane from top to down；The side of first alignment pin 22 is provided with the first pin 23；The bottom of first latch 25 is set
It is equipped with first matched with the first inclined-plane and tilts plug-in unit；First elastic component 24 and the first alignment pin 22 or so are disposed side by side on first
Sell in cylinder 21, the first pin 23 passes the first through hole and first chute successively；First latch 25 is arranged on the first pin
In cylinder 21 and positioned at the top of the first alignment pin 22, the first latch 25 is arranged on the lower section of transmission steel wire 12；The gap of inner tube 20 covers
It is located at outside transmission steel wire 12, the gap of outer tube 30 is set in outside inner tube 20；The upper end of inner tube 20 is connected with hand 10, under inner tube 20
End is connected with the first pin cylinder 21；
Braking mechanism includes brake stopping means, spacing heel piece 40 and dynamic elastic part 41；The stopping means that brakes includes the
Two pin cylinders 43, the second alignment pin, the second elastic component and the second latch；The side wall of second pin cylinder 43 is provided with the second through hole；Second
The top surface of alignment pin is provided with the second depressed part to lower recess, and the second depressed part is provided with inclined second inclined-plane from top to down；
The side of second alignment pin is provided with the second pin；The bottom of second latch is provided with the second inclination matched with the second inclined-plane and inserted
Part；Second elastic component and the second alignment pin or so are disposed side by side in the second pin cylinder 43, and the second pin passes the second through hole；Second
Latch is arranged in the second pin cylinder 43 and positioned at the top of the second alignment pin, and the second latch is arranged on the lower section of the first pin cylinder 21；
Spacing heel piece 40 is arranged on the lower section of the second pin cylinder 43；One end of dynamic elastic part 41 is connected with the second pin cylinder 43, its other end
It is connected with spacing heel piece 40；The lower end of outer tube 30 is connected with the second pin cylinder 43；
Be provided with the first spacing hole and the second spacing hole on position-limiting tube 60, position-limiting tube 60 be set in the stopping means of inner tube 20 and
Brake outside stopping means, the lower end that 60 sets of position-limiting tube is connected with spacing heel piece 40；First pin 23 passes the first spacing hole, second
Pin passes the second spacing hole.
As preferred embodiment, transmission mechanism also includes middle pipe 50 and the stopping means of middle pipe 50；Opened up on middle pipe 50
There is the second chute；The middle stopping means of pipe 50 includes the 3rd pin cylinder 51, the 3rd alignment pin, the 3rd elastic component and the 3rd latch；3rd
The side wall of pin cylinder 51 is provided with third through-hole；The top surface of 3rd alignment pin is provided with the 3rd depressed part, the 3rd depression to lower recess
Portion is provided with inclined 3rd inclined-plane from top to down；The side of 3rd alignment pin is provided with the 3rd pin；The bottom of 3rd latch
It is provided with the 3rd matched with the 3rd inclined-plane and tilts plug-in unit；3rd elastic component and the 3rd alignment pin or so are disposed side by side on the 3rd pin
In cylinder 51, the 3rd pin passes third through-hole and the first chute successively；3rd latch is arranged in the 3rd pin cylinder 51 and positioned at the
The top of three alignment pins；The stopping means of inner tube 20, the stopping means of middle pipe 50 and brake stopping means are set from top to down successively；In
The gap of pipe 50 is set in outside inner tube 20, and the gap of outer tube 30 is set in outside middle pipe 50；The lower end of middle pipe 50 is connected with the 3rd pin cylinder 51；
Be provided with the first spacing hole, the second spacing hole and the 3rd spacing hole on position-limiting tube 60, the first pin 23 pass successively first through hole,
Second chute, the first chute and the first spacing hole；Second pin passes the second through hole and the second spacing hole successively；3rd pin according to
It is secondary to pass third through-hole, the first chute and the 3rd spacing hole.First chute and the second chute are the up and down of the first pin 23
There is provided open circuit, the first chute provides open circuit for the up and down of the 3rd pin.That is, whole pull bar brake structure bag
Inner tube 20, middle pipe 50 and outer tube 30 are included, is three section Tiebar structures, the brake gear setting of the brake gear of inner tube 20 and middle pipe 50
Mode is consistent, it is necessary to be simply to push and lift when braking or withdrawing braking mechanism, passes through linkage effect realization.
Certainly, the pull bar brake structure is not limited to set two to save pull bar and three section pull bars, can also set other quantity, such as four sections are drawn
Bar, five section pull bars etc., corresponding pull bar stopping means makees corresponding setting.
As preferred embodiment, transmission steel wire 12 includes the first transmission transmission steel wire 12 of steel wire 12 and second, button
11 lower section is provided with transverse connection 13, and the 4th elastic component is provided between button 11 and transverse connection 13；First transmission
The transmission steel wire 12 of steel wire 12 and second is separately positioned on the left and right ends of transverse connection 13.Correspondingly, transmission mechanism and brake
Stopping means takes symmetrical set-up mode, corresponding with the first transmission transmission steel wire 12 of steel wire 12 and second respectively.
As preferred embodiment, trigger mechanism also includes hand fixed seat 70；Hand in fixed seat 70 being provided with
Under the mounting groove that communicates, be provided with outer tube fastener 71 in mounting groove, the upper end of outer tube 30 is connected with outer tube fastener 71；Transmission
Steel wire 12 passes through mounting groove.Fixed seat 70 and outer tube fastener 71 are used for the fixation of outer tube 30 by hand, and connective stability is good.Outer tube
Fastener 71 could be arranged to working of plastics.
As preferred embodiment, trigger mechanism also includes hand fixed seat 70；Hand in fixed seat 70 being provided with
Under the mounting groove that communicates, be provided with outer tube fastener 71 and middle pipe clamp fastener 72, the upper end of outer tube 30 and outer pipe clamp in mounting groove
Fastener 71 is connected, and the upper end of middle pipe 50 is connected with middle pipe clamp fastener 72；It is driven steel wire 12 and passes through mounting groove.Middle pipe clamp fastener 72 can
To be set to working of plastics.
As preferred embodiment, braking mechanism also includes protection sleeve pipe 42；Protection sleeve pipe 42 is set in dynamic elastic
Outside part 41, the lower end of protection sleeve pipe 42 is connected with spacing heel piece 40；Position-limiting tube 60 is set in outside protection sleeve pipe 42.Protection sleeve pipe 42
Dynamic elastic part 41 can be protected well, also make it that whole device is compacter.
As preferred embodiment, the first pin cylinder 21 includes top cylinder and lower cylinder, and first through hole is arranged on down
On the side wall of portion's cylinder；The side wall of top cylinder offers stopper slot；Protruding part 26 is provided with the side wall of first latch 25；The
One latch 25 is arranged in the cylinder of top, and protruding part 26 is arranged in stopper slot；First elastic component 24 and the first alignment pin 22 are left
The right side is disposed side by side in lower cylinder.Take such setting so that the first latch 25 in state upright up and down, is kept away all the time
Exempt to shift sideslip so that hand is smooth 10 move up and push, brake comes into force and released flexibly.Certainly, the middle stopping means of pipe 50
Same set-up mode can also be taken with brake stopping means.
As preferred embodiment, outer tube 30 is rectangular tube or round tube；Inner tube 20 is rectangular tube or round tube.Outer tube
30 and the shape of inner tube 20 can flexibly set.
As preferred embodiment, the first elastic component 24, the second elastic component and dynamic elastic part 41 are spring, structure
Simply, cost is low, simple installation.
The pull bar brake structure that the embodiment of the present invention is provided, when having outer tube 30 and inner tube 20, when braking mechanism is in
(see Fig. 5) during retracted mode, the first pin 23 is inserted in the first spacing hole of position-limiting tube 60, and the second pin is inserted in position-limiting tube 60
In second spacing hole, power spring is in compressive state；When needing to use brake, hand is pushed the button 11 on 10, button
11 drive transmission steel wire 12 to move down, and transmission steel wire 12 presses down the first latch 25, due to the first latch 25 and the first alignment pin 22
It is that inclined-plane coordinates, the first latch 25 continues to move down, the first alignment pin 22 will be moved toward the direction of the first elastic component 24 so that
First pin 23 departs from first through hole and the first spacing hole, and inner tube 20 is spacing to be released from；Continue to push hand 10, inner tube 20 drives
First pin cylinder 21 is moved down, and the first pin cylinder 21 presses down the second latch, and the second pin departs from the second through hole and the second spacing hole, brake
The spacing of device is released from, now, and power spring is released and recovers deformation, drives position-limiting tube 60 and spacing heel piece 40 down bullet
Go out (see Fig. 6), brake comes into force, spacing heel piece 40 starts to limit the movement of casing 80, because the flexible deformation width of power spring
Degree so that spacing heel piece 40 can be flexible up and down, realizes the braking action of a variety of height, it is adaptable to a variety of landform.Work as needs
When withdrawing braking mechanism, push button 11, transmission steel wire 12 presses down the first latch 25, and the first latch 25 drives the first alignment pin
22 move down, and when the first alignment pin 22 is moved at the first spacing hole of position-limiting tube 60, the first pin 23 passes the first spacing hole；
Now, release button 11, continue that up handle is 10, and because position-limiting tube 60 is caught on by the first pin 23, position-limiting tube 60 also can be with
Hand is up moved 10, and when the second spacing hole of position-limiting tube 60 is moved to the position of the second pin, the second pin passes second
Spacing hole, position-limiting tube 60 is resetted, and power spring recovers compressive state, and spacing heel piece 40 is withdrawn, and brake is released.
When the pull bar brake structure also includes middle pipe 50 except outer tube 30, inner tube 20, due to the middle stopping means of pipe 50
Set-up mode is consistent with the set-up mode of the stopping means of inner tube 20, and same operation can make braking mechanism eject or withdraw brake
Mechanism, is acted on by linkage and realized, easy to operate.The pull bar brake structure sets simple, by overall brake solution integration to drawing
Bar portion position, stability and robustness are greatly improved, and are braked than original wheel strong durable, than other modes brake modes more
Supernumerary segment save space, and it is reliable and stable, do not influenceed, can be kept for a long time using stable and reliable by other factors.
The pull bar brake structure that the embodiment of the present invention is provided, from Consumer's Experience, the stability of structure, process reliability and
It is optimized in terms of the difficulty of installation, it is ensured that the stability during user's use, built-in dynamic elastic part 41 has
Elastic deformation, can voluntarily adapt to different landform, and the dynamics of dynamic elastic part 41 can voluntarily adjust the size of braking strength.
Pull-up pull bar is recoverable brake gear, simple to operate, waits action without bending over, does not need extra installation empty substantially
Between, the influence of miscellaneous part internal volume is reduced to greatest extent, user is used inner space to greatest extent.
Embodiment 2
As shown in figures 1-8, a kind of draw-bar box, including pull bar brake structure and casing 80；Pull bar brake structure is arranged on
On institute's casing 80.
The draw-bar box that the embodiment of the present invention is provided, presses assistant the button 11 on 10, pull bar hand pushes 10 entirety, touched
The pin retraction pin cylinder of transmission mechanism is sent out, in the presence of dynamic elastic part 41, brake part is ejected, and starts limitation casing 80
It is mobile.When wanting to withdraw brake part, pull bar hand is pressed the button 11 on 10, button 11 is put down after lifting, it is naturally past again
On lift hand 10, the pin of transmission mechanism can nature slip into the spacing hole on through hole and position-limiting tube 60 on pin cylinder and lock
Extremely, continue up to carry, braking mechanism, which will link, up to be moved, when position-limiting tube 60 is moved to defined position, the pin of braking mechanism
Nail will enter in corresponding spacing hole, i.e., braking mechanism is locked.It need not bend over to wait action that brake can be achieved or release brake,
Simple to operate, brake structure is integrated with Tiebar structure, and extra installing space is not needed substantially so that draw-bar box is attractive in appearance big
Side.
Above-mentioned embodiment is only the preferred embodiment of the present invention, it is impossible to limit the scope of protection of the invention with this,
The change and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed scope.
Claims (10)
1. a kind of pull bar brake structure, it is characterised in that：Including trigger mechanism, transmission mechanism, braking mechanism and position-limiting tube；
The trigger mechanism includes hand handle and transmission steel wire；The hand is button is above provided with, and the transmission steel wire is arranged on institute
The lower section of button is stated, pushes or discharges the button so that the transmission steel wire is moved down or risen；
The transmission mechanism includes outer tube, inner tube and inner tube stopping means；The first chute is offered on the outer tube；Said inner tube
Position-limit mechanism includes the first pin cylinder, the first alignment pin, the first elastic component and the first latch；The side wall of the first pin cylinder is provided with
First through hole；The top surface of first alignment pin is provided with the first depressed part to lower recess, and first depressed part is provided with certainly
On down inclined first inclined-plane；The side of first alignment pin is provided with the first pin；The bottom of first latch is set
It is equipped with first matched with first inclined-plane and tilts plug-in unit；First elastic component and first alignment pin or so are set side by side
Put in the described first pin cylinder, first pin passes the first through hole and first chute successively；Described first inserts
Pin is arranged in the first pin cylinder and positioned at the top of first alignment pin, and first latch is arranged on the transmission steel
The lower section of silk；Said inner tube gap is set in outside the transmission steel wire, and the outer ligament is set in outside said inner tube；In described
The upper end of pipe is with the hand being connected, and the lower end of said inner tube is connected with the described first pin cylinder；
The braking mechanism includes brake stopping means, spacing heel piece and dynamic elastic part；The brake stopping means includes the
Two pin cylinders, the second alignment pin, the second elastic component and the second latch；The side wall of the second pin cylinder is provided with the second through hole；It is described
The top surface of second alignment pin is provided with the second depressed part to lower recess, and second depressed part is provided with inclined from top to down
Two inclined-planes；The side of second alignment pin is provided with the second pin；The bottom of second latch is provided with and described second
The second of inclined-plane matching tilts plug-in unit；Second elastic component and second alignment pin or so are disposed side by side on second pin
In cylinder, second pin passes second through hole；Second latch is arranged in the second pin cylinder and positioned at described
The top of second alignment pin, second latch is arranged on the lower section of the first pin cylinder；The spacing heel piece is arranged on described
The lower section of second pin cylinder；One end of the dynamic elastic part is connected with the described second pin cylinder, its other end and the spacing heel piece
Connection；The lower end of the outer tube is connected with the described second pin cylinder；
The first spacing hole and the second spacing hole are provided with the position-limiting tube, the position-limiting tube is set in said inner tube stopping means
Outside the brake stopping means, the lower end of the spacing pipe sleeve is connected with the spacing heel piece；First pin passes institute
The first spacing hole is stated, second pin passes second spacing hole.
2. pull bar brake structure as claimed in claim 1, it is characterised in that：The transmission mechanism also includes middle pipe and middle pipe is limited
Position device；The second chute is offered on the middle pipe；The middle pipe stopping means includes the 3rd pin cylinder, the 3rd alignment pin, the 3rd
Elastic component and the 3rd latch；The side wall of the 3rd pin cylinder is provided with third through-hole；The top surface of 3rd alignment pin is to recessed
Fall into and be provided with the 3rd depressed part, the 3rd depressed part is provided with inclined 3rd inclined-plane from top to down；3rd alignment pin
Side be provided with the 3rd pin；The bottom of 3rd latch is provided with the 3rd inclination matched with the 3rd inclined-plane and inserted
Part；Described 3rd elastic component and the 3rd alignment pin or so be disposed side by side on it is described 3rd pin cylinder in, the 3rd pin according to
It is secondary to pass the third through-hole and first chute；3rd latch is arranged in the 3rd pin cylinder and positioned at described the
The top of three alignment pins；Said inner tube stopping means, the middle pipe stopping means and the brake stopping means are successively from upper past
Set down；The middle ligament is set in outside said inner tube, and the outer ligament is set in outside the middle pipe；Under the middle pipe
End is connected with the described 3rd pin cylinder；
The first spacing hole, the second spacing hole and the 3rd spacing hole are provided with the position-limiting tube, first pin is passed successively
The first through hole, second chute, first chute and the first spacing hole；Second pin passes described successively
Two through holes and second spacing hole；3rd pin passes the third through-hole, first chute and described successively
Three spacing holes.
3. pull bar brake structure as claimed in claim 1, it is characterised in that：It is described transmission steel wire include first transmission steel wire and
Transverse connection is provided with below second transmission steel wire, the button, is set between the button and the transverse connection
There is the 4th elastic component；The first transmission steel wire and the second transmission steel wire are separately positioned on the left and right of the transverse connection
Two ends.
4. pull bar brake structure as claimed in claim 1, it is characterised in that：The trigger mechanism also includes hand fixed seat；
The hand is provided with outer tube fastener being provided with fixed seat in the mounting groove communicated up and down, the mounting groove, the outer tube
Upper end be connected with the outer tube fastener；The transmission steel wire passes through the mounting groove.
5. pull bar brake structure as claimed in claim 2, it is characterised in that：The trigger mechanism also includes hand fixed seat；
The hand is provided with outer tube fastener and middle pipe clamp button being provided with fixed seat in the mounting groove communicated up and down, the mounting groove
Part, the upper end of the outer tube is connected with the outer tube fastener, and the upper end of the middle pipe is connected with the middle pipe clamp fastener；It is described
It is driven steel wire and passes through the mounting groove.
6. pull bar brake structure as claimed in claim 1, it is characterised in that：The braking mechanism also includes protection sleeve pipe；Institute
State protection sleeve pipe to be set in outside the dynamic elastic part, the lower end of the protection sleeve pipe is connected with the spacing heel piece；The limit
Position pipe sleeve is located at outside the protection sleeve pipe.
7. pull bar brake structure as claimed in claim 1, it is characterised in that：The first pin cylinder includes top cylinder and bottom
Cylinder, the first through hole is arranged on the side wall of the lower cylinder；The side wall of the top cylinder offers stopper slot；Institute
State and be provided with protruding part on the side wall of the first latch；First latch is arranged in the top cylinder, and the protruding part is set
Put in the stopper slot；First elastic component and first alignment pin or so are disposed side by side in the lower cylinder.
8. pull bar brake structure as claimed in claim 1, it is characterised in that：The outer tube is rectangular tube or round tube；It is described
Inner tube is rectangular tube or round tube.
9. pull bar brake structure as claimed in claim 1, it is characterised in that：First elastic component, second elastic component
It is spring with the dynamic elastic part.
10. a kind of draw-bar box, it is characterised in that：Including the pull bar brake structure described in casing and claim any one of 1-9；Institute
Pull bar brake structure is stated to be arranged on institute's casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710499622.7A CN107259748A (en) | 2017-06-27 | 2017-06-27 | A kind of pull bar brake structure and draw-bar box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710499622.7A CN107259748A (en) | 2017-06-27 | 2017-06-27 | A kind of pull bar brake structure and draw-bar box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107259748A true CN107259748A (en) | 2017-10-20 |
Family
ID=60068940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710499622.7A Pending CN107259748A (en) | 2017-06-27 | 2017-06-27 | A kind of pull bar brake structure and draw-bar box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107259748A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115067654A (en) * | 2022-05-06 | 2022-09-20 | 泉州锦林环保高新材料有限公司 | Four-wheel grounding PC draw-bar box |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5678843A (en) * | 1995-11-06 | 1997-10-21 | Liu; Chin-Shung | Luggage trolley structure |
| TW418630U (en) * | 2000-04-21 | 2001-01-11 | Chaw Khong Technology Co Ltd | Improved braking structure for telescopic pull bar |
| FR2870693A1 (en) * | 2004-06-01 | 2005-12-02 | Louis Vuitton Malletier Sa | Rolling luggage e.g. trolley type suitcase, has collapsible cane comprising movable sections each mounted without gap in respective rolling bearings of corresponding guides, where sections extend along sliding direction |
| CN2930399Y (en) * | 2006-06-29 | 2007-08-08 | 乔工科技股份有限公司 | Fall-proof automatic spring up structure of luggage case bounce handle |
| JP2008272362A (en) * | 2007-05-07 | 2008-11-13 | Watanabe Kk | Bag with four wheels |
| CN204519648U (en) * | 2015-04-02 | 2015-08-05 | 四川农业大学 | A kind of pulling-rod trunk of strap brake function |
| CN105286250A (en) * | 2015-09-16 | 2016-02-03 | 杭州电子科技大学 | Portable stair-climbing draw-bar box |
| JP3205372U (en) * | 2016-02-17 | 2016-07-21 | 呉禎權 | Caster lock structure for suitcase |
| CN106184556A (en) * | 2016-08-17 | 2016-12-07 | 无锡市申洋电机科技有限公司 | More piece sleeve pipe structure |
| CN207322894U (en) * | 2017-06-27 | 2018-05-08 | 广东翔晟箱配科技有限公司 | A kind of pull rod brake structure and trolley case |
-
2017
- 2017-06-27 CN CN201710499622.7A patent/CN107259748A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5678843A (en) * | 1995-11-06 | 1997-10-21 | Liu; Chin-Shung | Luggage trolley structure |
| TW418630U (en) * | 2000-04-21 | 2001-01-11 | Chaw Khong Technology Co Ltd | Improved braking structure for telescopic pull bar |
| FR2870693A1 (en) * | 2004-06-01 | 2005-12-02 | Louis Vuitton Malletier Sa | Rolling luggage e.g. trolley type suitcase, has collapsible cane comprising movable sections each mounted without gap in respective rolling bearings of corresponding guides, where sections extend along sliding direction |
| CN2930399Y (en) * | 2006-06-29 | 2007-08-08 | 乔工科技股份有限公司 | Fall-proof automatic spring up structure of luggage case bounce handle |
| JP2008272362A (en) * | 2007-05-07 | 2008-11-13 | Watanabe Kk | Bag with four wheels |
| CN204519648U (en) * | 2015-04-02 | 2015-08-05 | 四川农业大学 | A kind of pulling-rod trunk of strap brake function |
| CN105286250A (en) * | 2015-09-16 | 2016-02-03 | 杭州电子科技大学 | Portable stair-climbing draw-bar box |
| JP3205372U (en) * | 2016-02-17 | 2016-07-21 | 呉禎權 | Caster lock structure for suitcase |
| CN106184556A (en) * | 2016-08-17 | 2016-12-07 | 无锡市申洋电机科技有限公司 | More piece sleeve pipe structure |
| CN207322894U (en) * | 2017-06-27 | 2018-05-08 | 广东翔晟箱配科技有限公司 | A kind of pull rod brake structure and trolley case |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115067654A (en) * | 2022-05-06 | 2022-09-20 | 泉州锦林环保高新材料有限公司 | Four-wheel grounding PC draw-bar box |
| CN115067654B (en) * | 2022-05-06 | 2024-05-14 | 泉州锦林环保高新材料有限公司 | Four-wheel touchdown PC draw-bar box |
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Application publication date: 20171020 |