CN208228524U - A kind of brake gear of aircraft wheel luggage case - Google Patents

Abstract

The utility model provides a kind of brake gear of aircraft wheel luggage case, can solve problem inconvenient for use existing for existing luggage case foot brake mechanism.It includes triggering control mechanism, traction mechanism and brake linkage, the triggering control mechanism is provided on the handlebar stem of the telescopic rod of luggage case, brake linkage described in being respectively arranged with one group on former and later two aircraft castors of luggage case at least side, and triggering control mechanism is connect with brake linkage described in two groups respectively by the traction mechanism.

Description

A kind of brake gear of aircraft wheel luggage case

Technical field

The utility model relates to luggage case technical field, specially a kind of brake gear of aircraft wheel luggage case.

Background technique

As continuous universal and optimization, the people's rhythm of life of the vehicles are also constantly being accelerated.Whether it works and goes on business, Or amusement and travel people's belongings are also being continuously increased, and it is more next to the dependence of luggage case that this has resulted in people It is higher.The most popular and most common luggage case is aircraft wheeled luggage currently on the market, and this luggage case is held because it has Again good, the advantages that noise is small and be well received by the public.Aircraft wheeled luggage is mostly without braking mechanism, this traditional no brake in the market The luggage case of vehicle, which whether multiplies public transport, subway, high-speed rail or staircase etc., unnecessary sliding phenomenon can all occurs, make to user of service At serious inconvenience.Also occur being equipped with the luggage case of foot brake mechanism currently on the market, although foot brake mechanism can effectively be kept away It must people when exempting from the phenomenon free to slide of luggage case, but since bottom of luggage case castor is lower from the ground, and braking every time Achieve the effect that brake by exposed can be stepped on foot of foot brake mechanism of castor for rotation luggage case；Simultaneously when brake to be cancelled People must bending unclamped with handlebar braking, this has resulted in foot brake mechanism problem inconvenient for use, to be difficult to be disappeared by vast Expense person is received.

Utility model content

In view of the above-mentioned problems, the utility model provides a kind of brake gear of aircraft wheel luggage case, can solve existing Problem inconvenient for use existing for luggage case foot brake mechanism.

Its technical solution is a kind of brake gear of aircraft wheel luggage case, it is characterised in that: it includes triggering control machine Structure, traction mechanism and the linkage that brakes, are provided with the triggering control mechanism, luggage on the handlebar stem of the telescopic rod of luggage case Brake linkage described in being respectively arranged with one group on former and later two aircraft castors of case at least side, and the triggering control mechanism is logical The traction mechanism is crossed to connect with brake linkage described in two groups respectively.

Further, the triggering control mechanism includes trigger button and on the handlebar stem of the pull rod of luggage case U-lag shape bracket, the groove bottom of the U-lag shape bracket are installed with tooth form item, and the front bottom end of the trigger button, which is equipped with, to be hooked The connection ring for connecting with the traction mechanism, the two sides of the U-lag shape bracket are installed on front side of tooth and the hook tooth Symmetrical rectangular channel is provided on cell wall, the rear end sides face of the trigger button is respectively equipped with symmetrical protrusion axle, described Protrusion axle is protruded into corresponding rectangular channel and can be slid back and forth in the rectangular channel, and the trigger button can be with the institute of two sides Stating protrusion axle is that rotation axis rotates in the rectangular channel, and the hook tooth can be engaged with the tooth form item, and the triggering is pressed Button is connect with the traction mechanism.

Further, the top of the trigger button is equipped with raised line.

Further, the brake linkage includes brake lever, is vertically installed with one on the wheel shaft of luggage case aircraft castor Fixing axle, the brake lever are installed in the fixing axle and can rotate around the fixing axle, the brake lever and the fixation The positioning of axial position is carried out between axis by positioning pin, the length of the brake lever is greater than two ten thousand of luggage case aircraft castor To the wheelbase between wheel, the brake lever is connect by the traction mechanism with the trigger button, and the brake lever is described It is turned to close to horizontality around the fixing axle thus the both ends of brake lever and luggage case aircraft foot under the drive of traction mechanism Two universal wheels of wheel hold out against realization brake.

Further, the both ends of the brake lever are conical end.

Further, the traction mechanism includes the first steel wire traction rope and the second steel wire traction rope, first steel wire Traction rope is connect with the connection ring of the trigger button of the triggering control mechanism, is divided on former and later two aircraft castors of the side The brake linkage not being arranged is connect with the both ends of the second steel wire traction rope, the first steel wire traction rope and the second steel wire It is connected between traction rope by exchanging structure.

Further, the exchanging structure includes a switching support for being set to luggage case sidewall bottom, the switching branch The bottom plate of frame is equipped with a pair of of fixed idler whell, and the head end of the first steel wire traction rope connect with the triggering control mechanism, tail It holds top plate and tail end across the switching support to be fixed with supporting plate, a traction rollers is installed on the supporting plate, it is described to lead Draw the surface that idler wheel is located at the center of the pair of fixed idler whell, the central part of the second steel wire traction rope is around in The top peripherals of the traction rollers and two sides from inside to outside respectively around behind the bottom periphery of the pair of fixed idler whell successively Connect across the side wall of the switching support, luggage case bottom plate with brake linkage, is located at the supporting plate and the switching support The first back-moving spring is set on the first steel wire traction rope between top plate.

Further, the second steel wire traction rope includes a main traction section and two secondary traction sections, described two secondary traction sections One end pass through connection structure with it is described it is main traction section both ends connect, the other end respectively with two brake linkages Brake lever connection, the connecting pin of the secondary traction section and the brake lever is equipped with the second back-moving spring, the main traction section The central part top peripheral that is around in the traction rollers and two sides respectively from inside to outside respectively around the pair of fixed rolling Connect across the side wall of the switching support behind the bottom periphery of wheel and by one end of the connection structure and the secondary traction section It connects.

Further, the connection structure includes a U-bracket, and the end of the main traction section is equipped with shaft interconnecting piece, The shaft interconnecting piece is installed on the two sidewalls of the U-bracket open side, and one end of the secondary traction section is equipped with spherical branch Hold, the other end pass through luggage case bottom plate after connect with the brake linkage, through-hole and institute are provided on the bottom plate of the U-bracket The diameter for stating spherical bearing is greater than the aperture of the through-hole, and the secondary traction section passes through the through-hole and described from the open side Spherical bearing can engage limit with the through-hole of the U-bracket.

Further, it is mounted on one group of brake linkage on four aircraft castors of luggage case, first steel wire is led Messenger includes a total traction section and section is drawn by Liang Gen branch, and the top of total traction section connect with the trigger button, bottom end It is connect by thread-dividing mechanism with the top that section is drawn by the Liang Gen branch, positioned at the brake lever of former and later two aircraft castors in left side Mechanism is separately connected the second steel wire traction rope positioned at the brake linkages of former and later two aircraft castors on right side, and two Second steel wire traction rope described in root pass through one group respectively described in exchanging structure and corresponding one branch traction section bottom end Connection.

The utility model has the beneficial effects that:

(1) it triggers control mechanism, before and after luggage case the same side by being arranged on the handlebar stem of trunk draw bar Brake linkage described in being respectively arranged with one group on two aircraft castors, and triggers between control mechanism and two groups of brake linkages It is connected by traction mechanism, to only need the triggering control mechanism on one-handed performance handlebar stem that can drive by traction mechanism Two groups of brake linkages carry out brake or cancel to brake to former and later two aircraft castors, therefore it operates convenience height；

(2) its trigger button for triggering control mechanism can drive dragger along U-lag shape bracket slide Structure drive brake lever mechanism action realize brake, simultaneously because trigger button be rotationally connected with it is on U-lag shape bracket and preceding The hook tooth of end bottom can be engaged with the rack gear of U-lag shape frame bottom, can be realized hook tooth and rack gear by rotating trigger button Between engagement whether, so as to the trigger action easily braked, further increase braking convenience；

(3) traction mechanism connects the second steel wire traction rope by exchanging structure by the first steel wire traction rope, wherein the first steel Control mechanism is connect silk traction rope, the second steel wire traction rope is connect with two groups of brake linkages respectively with triggering, to pass through control System triggering control mechanism can move two groups of brake lever machines by the first steel wire traction rope, exchanging structure, the second steel wire traction rope band Structure while braking maneuver, ensure that the stability and consistency of two groups of brake linkage brakes；

(4) second steel wire traction ropes are formed by connecting by a main traction section and two secondary traction sections, and secondary traction Duan Yuzhu traction The junction of section is rotatablely connected by spherical bearing engagement, since luggage case aircraft castor is universal wheel, therefore works as aircraft castor Occur to will drive secondary traction section when rotating at any angle and spherical bearing rotates synchronously, the torsion without causing main traction section Turn, it is ensured that traction it is reliable and stable；

(5) it is by the installation brake linkage respectively on four aircraft castors, and by setting the first steel wire traction rope It is set to the combined connecting structure of a total traction section and Liang Gen branch traction section, while being located at former and later two aircraft castors in left side Brake linkage is separately connected a second steel wire traction rope positioned at the brake linkages of former and later two aircraft castors on right side, And connect the bottom end that two second steel wire traction ropes pass through one group of exchanging structure respectively with section is drawn by a corresponding branch, from And the braking of four aircraft castors can be controlled simultaneously by operation triggering control mechanism, it further ensure that brake It is reliable and stable.

Detailed description of the invention

Fig. 1 is the broken section structural schematic diagram for being equipped with the luggage case of the utility model brake gear；

Fig. 2 is the enlarged structure signal that control mechanism is triggered in a kind of brake gear of aircraft wheel luggage case of the utility model Figure；

Fig. 3 is the A of Fig. 2 to structural schematic diagram；

Fig. 4 is enlarged structure schematic diagram at B in Fig. 1；

Fig. 5 is enlarged structure schematic diagram at C in Fig. 1；

Fig. 6 is enlarged structure schematic diagram at D in Fig. 1；

Fig. 7 is a kind of structural representation of second of embodiment of the brake gear of aircraft wheel luggage case of the utility model Figure.

Appended drawing reference:

10- triggers control mechanism, 11- trigger button, 12-U shape channel-shaped bracket, 13- tooth form item, 14- hook tooth, 15- rectangle Slot, 16- protrusion axle, 17- raised line, 18- connection ring；

20- traction mechanism, 21- the first steel wire traction rope, 211- always draw section, and section, 213- extension line draw in 212- branch Structure, 22- the second steel wire traction rope, the main traction section of 221-, 222- pair traction section, the second back-moving spring of 223-, 23- switching support, 24- fixed idler whell, 25- supporting plate, 26- traction rollers, the first back-moving spring of 27-, 28-U shape bracket, 29- shaft interconnecting piece, 210- Spherical bearing；

30- brake linkage, 31- brake lever, 32- fixing axle, 33- positioning pin；

40- luggage case, 41- handlebar stem, 42- aircraft castor, 421- wheel shaft, 422a- universal wheel, 422b- universal wheel.

Specific embodiment

Embodiment one:

See Fig. 1, a kind of brake gear of aircraft wheel luggage case of the utility model comprising triggering control mechanism 10, traction Mechanism 20 and the linkage 30 that brakes, are provided with triggering control mechanism 10, luggage on the handlebar stem 41 of the telescopic rod of luggage case 40 One group of brake linkage 30 is respectively arranged on former and later two aircraft castors of case at least side, triggering control mechanism 10 is by leading Draw mechanism 20 to connect with two groups of brake linkages 30 respectively.

See 2 and Fig. 3, triggering control mechanism 10 is including trigger button 11 and on the handlebar stem 41 of the pull rod of luggage case U-lag shape bracket 12, the groove bottom of U-lag shape bracket 12 is installed with tooth form item 13, and the front bottom end of trigger button 11 is equipped with The front side for hooking tooth 14 and hook tooth 14 is installed with the connection ring 18 for connecting with traction mechanism 20, the two sides of U-lag shape bracket 12 Symmetrical rectangular channel 15 is provided on cell wall, the rear end sides face of trigger button 11 is respectively equipped with symmetrical protrusion axle 16, convex Shaft 16 is protruded into corresponding rectangular channel 15 and can be slid back and forth in rectangular channel 15, and trigger button 11 can be with the protrusion of two sides Axis 16 is that rotation axis rotates in rectangular channel 15, and hooks tooth 14 and can engage with tooth form item 13, trigger button 11 and traction mechanism 20 connections；The top of trigger button 11 is equipped with raised line 17, and the setting of raised line 17 is convenient for promotion trigger button 11 in rectangular channel 15 Rotation or sliding, easily facilitate operator in standing can one-handed performance triggering control mechanism；And triggering control Mechanism 10 can arbitrarily be set to the top surface, bottom surface or two sides of handlebar stem 41, and triggering control mechanism 10 is set in the present embodiment It is placed in the side of handlebar stem 41.

See that Fig. 6, brake linkage 30 include brake lever 31, is vertically installed on the wheel shaft 421 of luggage case aircraft castor 42 One fixing axle 32, brake lever 31 is installed in fixing axle 32 and can rotate around fixing axle 32, between brake lever 31 and fixing axle 32 The positioning of axial position is carried out by positioning pin 33, the length of brake lever 31 is greater than two universal wheels of luggage case aircraft castor 43 Between wheelbase, brake lever 31 connect by traction mechanism 20 with trigger button 11, drive of the brake lever 31 in traction mechanism 20 Under around fixing axle 32 rotate up to brake lever 31 both ends and luggage case aircraft castor 42 two universal wheels 422a, 422b push up Consolidation shows brake；Due to brake lever 31 length be greater than luggage case aircraft castor 43 two universal wheels 422a, 422b it Between wheelbase, when the both ends of brake lever 31 and two universal wheels 422a, 422b of luggage case aircraft castor 42 are in the brake that holds out against Brake lever 31 is only existed under vehicle on-position is avoided that brake lever 31 in the band of traction mechanism 20 close to horizontal heeling condition Dynamic lower rotational angle is excessive and continues to rotate after horizontality, i.e. brake lever 31 can not be with two in idling conditions A universal wheel 422a, 422b realization is held out against；The both ends of brake lever 31 are conical end.

See that Fig. 1, traction mechanism 20 include the first steel wire traction rope 21 and the second steel wire traction rope 22, the first steel wire traction rope 21 connect with triggering control mechanism 10, respectively arranged brake linkage 30 and the on former and later two aircraft castors 42 of side The both ends of two steel wire traction ropes 22 connect, and are connected between the first steel wire traction rope 21 and the second steel wire traction rope 22 by exchanging structure It connects.

See that Fig. 5, exchanging structure include a switching support 23 for being set to luggage case sidewall bottom, the bottom plate of switching support 23 It is equipped with a pair of of fixed idler whell 24, the connection of the trigger button 11 of the head end and triggering control mechanism 10 of the first steel wire traction rope 21 The connection of ring 18, tail end pass through the top plate of switching support 23 and tail end is fixed with supporting plate 25, and a traction rolling is equipped on supporting plate 25 Wheel 26, traction rollers 26 are located at the surface of the center of a pair of of fixed idler whell 24, the central portion of the second steel wire traction rope 22 Position be around in the top peripheral of traction rollers 26 and two sides from inside to outside respectively around behind the bottom periphery of a pair of of fixed idler whell 24 according to The secondary side wall across switching support 23, luggage case bottom plate connects with brake linkage 20, are located at supporting plate 25 and the top of switching support 23 The first back-moving spring 27 is set on the first steel wire traction rope 21 between plate；

Second steel wire traction rope 22 includes a main traction section 221 and two secondary traction sections 222, one end of two secondary traction sections 222 It is connect by connection structure with the both ends of main traction section 221, the other end brake with former and later two brake linkages 30 respectively Bar 31 connects, and the connecting pin of pair traction section 222 and brake lever 31 is equipped with the second back-moving spring 223, in main traction section 221 Centre position is around in the top peripheral of traction rollers 26 and two sides are respectively from inside to outside respectively around the bottom of a pair of of fixed idler whell 24 It is connect across the side wall of switching support 23 behind periphery and by connection structure with one end of secondary traction section 222；

See Fig. 4, connection structure includes a U-bracket 28, and the end of main traction section 221 is equipped with shaft interconnecting piece 29, shaft Interconnecting piece 29 is installed on the two sidewalls of 28 open side of U-bracket, pair traction section 222 one end be equipped with it is spherical bearing 210, it is another It holds and is connect after luggage case bottom plate with the brake lever 31 of brake linkage 30, through-hole and ball are provided on the bottom plate of U-bracket 28 The diameter of shape bearing 210 is greater than the aperture of through-hole, and pair traction section 222 passes through through-hole and spherical branch from the open side of U-bracket 28 Holding 210 can engage with the through-hole of U-bracket.

A kind of course of work of the brake gear of aircraft wheel luggage case of the utility model is detailed below: brake dress It sets in the unlocked state, by the effect of the first back-moving spring 27, the trigger button 11 for triggering control mechanism 10 is located at U-lag shape branch The hook tooth 14 of 12 front end of frame and trigger button 11 engages positioning with the end tooth of 13 front end of tooth form item, while the linkage that brakes 30 brake lever 31 is inclined by the effect of the second back-moving spring 223, at this time the both ends of brake lever 31 not with aircraft wheel 42 Two universal wheels 422a, 422b contact, four aircraft wheels of luggage case can move freely, turn to；When needing to luggage case Carry out brake operation when, pin triggering control mechanism 10 trigger button 11 on raised line 17 and to the back-end stir make its with The protrusion axle 16 of rear end is that rotation axis rotates clockwise in baltimore groove 15, thus the hook tooth 14 on trigger button 11 and tooth form and The end tooth of 13 front ends unlocks, then rear end Level Promoting trigger button 11 translates it along baltimore groove 15, then trigger button 11 drive the first steel wire traction rope 21 mobile, and the first steel wire traction rope 21 drives traction rollers 26 to move up by supporting plate 25 immediately, Traction rollers 26 move up, and driving the second steel wire traction rope 22, top is shunk inwardly, thus the two of the second steel wire traction rope 22 End drives the brake lever 31 being set on the aircraft wheel of front and rear sides to rotate, so that brake lever 31 is turned to close to horizontal position, Since the length of brake lever 31 is slightly larger than the wheelbase between two universal wheels 422a, 422b of aircraft wheel, therefore the two of brake lever 31 Side conical end is held out against with two universal wheels 422a, 422b, realizes the brake to aircraft wheel.

Embodiment two:

The difference of embodiment two and embodiment one is mounted on one on four aircraft castors 42 of luggage case in being Group brake linkage 30 is shown in that Fig. 7, the first steel wire traction rope 21 include that section 212 is drawn by a total traction section 211 and Liang Gen branch, always The top that the top of traction section 211 is connect with trigger button 11, bottom end passes through thread-dividing mechanism 213 and Liang Gen branch traction section 212 Connection, the brake of the brake linkage 30 positioned at former and later two aircraft castors in left side, former and later two aircraft castors positioned at right side Vehicle linkage 30 is separately connected a second steel wire traction rope 22, and two second steel wire traction ropes 22 pass through one group and reality respectively Identical exchanging structure in example one is applied to connect with the bottom end that section 212 is drawn by a corresponding branch.It passes through control triggering control Mechanism 10 can control simultaneously 30 brake of brake linkage on four aircraft castors 42 by traction mechanism 20, thus stop Vehicle braking is more reliable and more stable.

The specific implementation of the utility model is described in detail above, but content be only the utility model create compared with Good embodiment should not be construed as limiting the practical range of the utility model creation.All create according to the utility model is applied All the changes and improvements made by range etc., should still belong within the patent covering scope of the utility model.

Claims (10)

1. a kind of brake gear of aircraft wheel luggage case, it is characterised in that: it includes triggering control mechanism (10), traction mechanism (20) it and brakes linkage (30), is provided with the triggering control mechanism on the handlebar stem (41) of the telescopic rod of luggage case (40) (10), be respectively arranged with one group on former and later two aircraft castors (42) of luggage case at least side described in brake linkage (30), The triggering control mechanism (10) is connect with brake linkage (30) described in two groups respectively by the traction mechanism (20).

2. a kind of brake gear of aircraft wheel luggage case according to claim 1, it is characterised in that: the triggering control machine Structure (10) includes the U-lag shape bracket (12) on the handlebar stem (41) of trigger button (11) and the pull rod flush-mounted in luggage case, institute The groove bottom for stating U-lag shape bracket (12) is installed with tooth form item (13), and the front bottom end of the trigger button (11), which is equipped with, hooks tooth (14) and on front side of hook tooth (14) connection ring (18) for connecting with the traction mechanism (20), the U-shaped are installed with It is provided on the two sides cell wall of channel-shaped bracket (12) symmetrical rectangular channel (15), the rear end sides face difference of the trigger button (11) Equipped with symmetrical protrusion axle (16), the protrusion axle (16) is protruded into corresponding rectangular channel (15) and can be in the rectangular channel (15) it is slid back and forth in, and the trigger button (11) can be rotation axis with the protrusion axle (16) of two sides in the rectangular channel (15) rotation in, and the hook tooth (14) can engage with the tooth form item (13), the trigger button (11) and the traction Mechanism (20) connection.

3. a kind of brake gear of aircraft wheel luggage case according to claim 2, it is characterised in that: the trigger button (11) top is equipped with raised line (17).

4. a kind of brake gear of aircraft wheel luggage case according to claim 2 or 3, it is characterised in that: the brake lever Mechanism (30) includes brake lever (31), is vertically installed with a fixing axle (32) on the wheel shaft (421) of luggage case aircraft castor (42), The brake lever (31) is installed on the fixing axle (32) and can rotate around the fixing axle (32), the brake lever (31) with The positioning of axial position is carried out between the fixing axle (32) by positioning pin (33), the length of the brake lever (31) is greater than row Wheelbase between two universal wheels (422a, 422b) of Lee's case aircraft castor (42), the brake lever (31) pass through the traction Mechanism (20) is connect with the trigger button (11), and the brake lever (31) is under the drive of the traction mechanism (20) around described Fixing axle (32) is turned to close to horizontality to the both ends of brake lever (31) and two universal wheels of luggage case aircraft castor (422a, 422b) holds out against realization brake.

5. a kind of brake gear of aircraft wheel luggage case according to claim 4, it is characterised in that: the brake lever (31) Both ends be conical end.

6. a kind of brake gear of aircraft wheel luggage case according to claim 5, it is characterised in that: the traction mechanism It (20) include the first steel wire traction rope (21) and the second steel wire traction rope (22), the first steel wire traction rope (21) and the touching Connection ring (18) connection of control mechanism (10) trigger button (11) is sent out, is divided on former and later two aircraft castors (42) of the side The brake linkage (30) not being arranged is connect with the both ends of the second steel wire traction rope (22), the first steel wire traction rope (21) it is connect between the second steel wire traction rope (22) by exchanging structure.

7. a kind of brake gear of aircraft wheel luggage case according to claim 6, it is characterised in that: the exchanging structure packet A switching support (23) for being set to luggage case sidewall bottom is included, the bottom plate of the switching support (23) is equipped with a pair of fixed rolling It takes turns (24), the connection of the trigger button (11) of the head end of the first steel wire traction rope (21) and triggering control mechanism (10) Ring (18) connection, tail end pass through the top plate of the switching support (23) and tail end is fixed with supporting plate (25), on the supporting plate (25) One traction rollers (26) is installed, the traction rollers (26) are being located at the center of the pair of fixed idler whell (24) just Top, the central part of the second steel wire traction rope (22) is around in the top peripheral of the traction rollers (26) and two sides are in Outward respectively around side wall, the row for sequentially passing through the switching support (23) behind the bottom periphery of the pair of fixed idler whell (24) It is connect after Lee's case bottom plate with brake linkage (30), between the supporting plate (25) and the top plate of the switching support (23) The first back-moving spring (27) are set on the first steel wire traction rope (21).

8. a kind of brake gear of aircraft wheel luggage case according to claim 7, it is characterised in that: second steel wire is led Messenger (22) includes a main traction section (221) and two secondary tractions section (222), and one end of described two secondary tractions section (222) passes through Connection structure connect with the both ends of main traction section (221), the other end described brakes linkage (30) with two respectively Brake lever (31) connection, secondary traction section (222) and the connecting pin of brake lever (31) are equipped with the second back-moving spring (223), The central part of main traction section (221) is around in the top peripheral of the traction rollers (26) and two sides are divided from inside to outside respectively The side wall of the switching support (23) Rao Guo not be passed through behind the bottom periphery of the pair of fixed idler whell (24) and passes through the company Binding structure is connect with one end of secondary traction section (222).

9. a kind of brake gear of aircraft wheel luggage case according to claim 8, it is characterised in that: the connection structure packet It includes a U-bracket (28), the end of main traction section (221) is equipped with shaft interconnecting piece (29), the shaft interconnecting piece (29) It is installed on the two sidewalls of the U-bracket (28) open side, one end of secondary traction section (222) is equipped with spherical bearing (210), the other end is connect after passing through luggage case bottom plate with the brake lever (31) of brake linkage (30), the U-bracket (28) aperture of the diameter greater than the through-hole of through-hole and the spherical bearing (210), the secondary traction section are provided on bottom plate (222) through-hole is passed through from the open side and the spherical bearing (210) can engage with the through-hole of the U-bracket (28) Limit.

10. a kind of brake gear of aircraft wheel luggage case according to claim 9, it is characterised in that: four of luggage case One group of brake linkage (30) is mounted on aircraft castor (42), the first steel wire traction rope (21) includes a total traction section (211) and Liang Gen branch traction section (212), it is described it is total traction section (211) top connect with the trigger button (11), bottom end It is connect by thread-dividing mechanism (213) with the top of Liang Gen branch traction section (212), former and later two aircraft feet positioned at left side It takes turns the brake linkage (30) of (42), be separately connected positioned at the brake linkages (30) of former and later two aircraft castors (42) on right side Piece the second steel wire traction rope (22), two second steel wire traction ropes (22) pass through exchanging structure described in one group respectively It is connected with the bottom end of corresponding one branch's traction section (212).