CN107928054B - Brake device of airplane wheel luggage case - Google Patents
Brake device of airplane wheel luggage case Download PDFInfo
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- CN107928054B CN107928054B CN201711477035.4A CN201711477035A CN107928054B CN 107928054 B CN107928054 B CN 107928054B CN 201711477035 A CN201711477035 A CN 201711477035A CN 107928054 B CN107928054 B CN 107928054B
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- traction
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- brake lever
- aircraft
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- 230000007246 mechanism Effects 0.000 claims abstract description 125
- 229910000831 Steel Inorganic materials 0.000 claims description 55
- 239000010959 steel Substances 0.000 claims description 55
- 235000004443 Ricinus communis Nutrition 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
Classifications
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- 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
- A45C5/141—Rigid or semi-rigid luggage with built-in rolling means the rolling means being formed by the trunk itself
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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
- A45C13/262—Special adaptations of handles for wheeled luggage
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- 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
- A45C2005/142—Rigid or semi-rigid luggage with built-in rolling means with spherical rolling means, e.g. ball casters
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- Tires In General (AREA)
- Braking Arrangements (AREA)
Abstract
The invention provides a brake device of an aircraft wheel trunk, which can solve the problem of inconvenient use of the conventional trunk foot brake mechanism. The luggage case comprises a trigger control mechanism, a traction mechanism and a brake lever mechanism, wherein the trigger control mechanism is arranged on a handle rod of a telescopic rod of the luggage case, a group of brake lever mechanisms are respectively arranged on front and rear two aircraft casters on at least one side of the luggage case, and the trigger control mechanism is respectively connected with the two groups of brake lever mechanisms through the traction mechanism.
Description
Technical Field
The invention relates to the technical field of luggage structures, in particular to a brake device of an aircraft wheel luggage.
Background
Along with the continuous popularization and optimization of vehicles, the life rhythm of people is also continuously accelerated. Articles carried by people are increasing, whether working on business trips or leisure travel, which causes higher and higher dependence of people on the luggage. The most popular and common luggage in the market at present is the wheeled luggage of an airplane, and the luggage is widely favored because of the advantages of good bearing, low noise and the like. The conventional brake-free luggage cases have unnecessary sliding phenomena no matter buses, subways, high-speed rails or escalators and the like, and cause serious inconvenience to users. At present, a luggage case provided with a foot brake mechanism also appears in the market, and although the foot brake mechanism can effectively avoid the free sliding phenomenon of the luggage case, because the bottom castor of the luggage case is lower from the ground, the luggage case must be manually rotated when braking each time, so that the exposed side of the foot brake mechanism of the castor can be stepped on by feet to achieve the effect of braking; meanwhile, when the brake is to be canceled, a user must bend down to release the brake by using the handle, which causes the problem of inconvenient use of the foot brake mechanism, and is hardly accepted by consumers.
Disclosure of Invention
The invention provides a brake device for an aircraft wheel luggage case, which can solve the problem of inconvenient use of the conventional luggage case foot brake mechanism.
The technical scheme is that the brake device of the luggage case of the airplane wheel is characterized in that: the automatic control device comprises a trigger control mechanism, a traction mechanism and a brake lever mechanism, wherein the trigger control mechanism is arranged on a handle rod of a telescopic rod of the luggage case, a group of brake lever mechanisms are respectively arranged on front and rear two aircraft casters on at least one side of the luggage case, and the trigger control mechanism is respectively connected with the two groups of brake lever mechanisms through the traction mechanism.
Further, the trigger control mechanism comprises a trigger button and a U-shaped groove-shaped bracket embedded on a handle rod of a pull rod of the luggage case, a tooth-shaped strip is fixedly arranged on the bottom surface of the groove of the U-shaped groove-shaped bracket, a hook tooth is arranged at the bottom of the front end of the trigger button, a connecting ring used for being connected with the traction mechanism is fixedly arranged on the front side of the hook tooth, symmetrical rectangular grooves are formed in groove walls on two sides of the U-shaped groove-shaped bracket, mutually symmetrical protruding shafts are respectively arranged on two side surfaces of the rear end of the trigger button, the protruding shafts extend into the corresponding rectangular grooves and can slide back and forth in the rectangular grooves, the trigger button can rotate in the rectangular grooves by taking the protruding shafts on two sides as rotating shafts, the hook tooth can be meshed with the tooth-shaped strip, and the trigger button is connected with the traction mechanism.
Further, a convex strip is arranged at the top of the trigger button.
Further, the brake lever mechanism comprises a brake lever, a fixed shaft is vertically arranged on a wheel shaft of the luggage case aircraft caster, the brake lever is arranged on the fixed shaft and can rotate around the fixed shaft, the brake lever and the fixed shaft are positioned at axial positions through positioning pins, the length of the brake lever is larger than the wheel base between two universal wheels of the luggage case aircraft caster, the brake lever is connected with the trigger button through the traction mechanism, and the brake lever is driven by the traction mechanism to rotate around the fixed shaft to an inclined state close to the horizontal, so that two ends of the brake lever are tightly propped against the two universal wheels of the luggage case aircraft caster to realize braking.
Furthermore, both ends of the brake rod are conical ends.
Further, the traction mechanism comprises a first steel wire traction rope and a second steel wire traction rope, the first steel wire traction rope is connected with a connecting ring of a trigger button of the trigger control mechanism, brake rod mechanisms respectively arranged on front and rear aircraft casters on one side are connected with two ends of the second steel wire traction rope, and the first steel wire traction rope is connected with the second steel wire traction rope through a switching structure.
Further, the switching structure includes a switching support that sets up in suitcase lateral wall bottom, be equipped with a pair of fixed gyro wheel on the bottom plate of switching support, the head end of first steel wire haulage rope with trigger control mechanism connects, the tail end passes roof and the tail end of switching support are equipped with the extension board admittedly, install a traction roller on the extension board, traction roller is located directly over the central point of a pair of fixed gyro wheel, the central point of second traction wire rope is located traction roller's top periphery and both sides are walked around respectively from inside to outside behind the bottom periphery of a pair of fixed gyro wheel pass in proper order switching support's lateral wall, suitcase bottom plate and brake lever mechanism are connected, are located between the extension board with the cover is equipped with first tensioning spring on the first steel wire haulage rope between the switching support roof.
Further, the second steel wire traction rope comprises a main traction section and two auxiliary traction sections, one ends of the two auxiliary traction sections are connected with two ends of the main traction section through connecting structures, the other ends of the two auxiliary traction sections are connected with two brake rods of the brake rod mechanism respectively, the auxiliary traction sections and the connecting ends of the brake rods are provided with second tensioning springs, the central part of the main traction section winds around the top periphery of the traction roller, two sides of the main traction section winds around the bottom periphery of the pair of fixed rollers respectively from inside to outside, and then penetrates through the side walls of the transfer support and is connected with one end of the auxiliary traction section through the connecting structures.
Further, the connecting structure comprises a U-shaped support, a rotating shaft connecting part is arranged at the end part of the main traction section, the rotating shaft connecting part is arranged on two side walls of the opening side of the U-shaped support, one end of the auxiliary traction section is provided with a spherical support, the other end of the auxiliary traction section penetrates through the bottom plate of the suitcase and then is connected with the brake lever mechanism, a through hole is formed in the bottom plate of the U-shaped support, the diameter of the spherical support is larger than the diameter of the through hole, and the auxiliary traction section penetrates through the through hole from the opening side and can be clamped and limited with the through hole of the U-shaped support.
Further, a group of brake lever mechanisms are arranged on four aircraft casters of the trunk, the first steel wire traction rope comprises a total traction section and two branch traction sections, the top end of the total traction section is connected with the trigger button, the bottom end of the total traction section is connected with the top ends of the two branch traction sections through a branching mechanism, the brake lever mechanisms of the two aircraft casters located on the left side and the brake lever mechanisms of the two aircraft casters located on the right side are respectively connected with a second steel wire traction rope, and the two second steel wire traction ropes are respectively connected with the corresponding bottom ends of the branch traction sections through a group of switching structures.
The invention has the beneficial effects that:
(1) The trigger control mechanism is arranged on the handle rod of the suitcase pull rod, a group of brake rod mechanisms are respectively arranged on the front and rear plane casters on the same side of the suitcase, and the trigger control mechanism is connected with the two groups of brake rod mechanisms through the traction mechanism, so that the trigger control mechanism on the handle rod can be operated by only one hand to drive the two groups of brake rod mechanisms to brake or cancel the braking of the front and rear plane casters through the traction mechanism, and the operation convenience is high;
(2) The trigger button of the trigger control mechanism can slide along the U-shaped groove-shaped bracket so as to drive the traction mechanism to drive the brake lever mechanism to act to realize braking, and meanwhile, as the trigger button is rotationally connected to the U-shaped groove-shaped bracket and the hook tooth at the bottom of the front end can be meshed with the rack at the bottom of the U-shaped groove-shaped bracket, the engagement between the hook tooth and the rack can be realized or not by rotating the trigger button, so that the braking trigger action can be conveniently carried out, and the braking convenience is further improved;
(3) The traction mechanism is connected with the second steel wire traction rope through the switching structure by the first steel wire traction rope, wherein the first steel wire traction rope is connected with the trigger control mechanism, and the second steel wire traction rope is respectively connected with the two groups of brake rod mechanisms, so that the trigger control mechanism can drive the two groups of brake rod mechanisms to brake simultaneously through the first steel wire traction rope, the switching structure and the second steel wire traction rope, and the stability and consistency of braking of the two groups of brake rod mechanisms are ensured;
(4) The second steel wire traction rope is formed by connecting a main traction section and two auxiliary traction sections, and the connection parts of the auxiliary traction sections and the main traction sections are in matched rotation connection through spherical supports;
(5) The brake lever mechanisms are respectively arranged on the four aircraft casters, the first steel wire traction ropes are arranged to be of a combined connection structure of a total traction section and two branch traction sections, the brake lever mechanisms of the front aircraft casters and the rear aircraft casters which are positioned on the left side and the brake lever mechanisms of the front aircraft casters and the rear aircraft casters which are positioned on the right side are respectively connected with the second steel wire traction ropes, the two second steel wire traction ropes are respectively connected with the bottom ends of the corresponding branch traction sections through a group of switching structures, and therefore the four aircraft casters can be simultaneously controlled to brake through the operation triggering control mechanism, and the stability and reliability of brake and braking are further ensured.
Drawings
FIG. 1 is a schematic view of a partially cut-away structure of a luggage case with a brake device of the present invention installed therein;
FIG. 2 is an enlarged schematic view of the trigger control mechanism of the brake device of the luggage case of the aircraft wheel of the present invention;
FIG. 3 is a schematic view of the structure of the A-direction of FIG. 2;
FIG. 4 is an enlarged schematic view of the structure of FIG. 1 at B;
FIG. 5 is an enlarged schematic view of FIG. 1 at C;
FIG. 6 is an enlarged schematic view of the structure of FIG. 1 at D;
fig. 7 is a schematic structural view of a second embodiment of a brake device for an aircraft wheel luggage case of the present invention.
Reference numerals:
the device comprises a 10-trigger control mechanism, a 11-trigger button, a 12-U-shaped groove bracket, a 13-tooth-shaped strip, a 14-tooth hook, a 15-rectangular groove, a 16-protruding shaft, a 17-protruding strip and a 18-connecting ring;
20-traction mechanism, 21-first steel wire traction rope, 211-total traction section, 212-branch traction section, 213-branching mechanism, 22-second steel wire traction rope, 221-main traction section, 222-auxiliary traction section, 223-second tension spring, 23-switching bracket, 24-fixed roller, 25-support plate, 26-traction roller, 27-first tension spring, 28-U-shaped bracket, 29-rotating shaft connecting part and 210-spherical support;
30-brake lever mechanism, 31-brake lever, 32-fixed shaft, 33-locating pin;
40-luggage, 41-handle bar, 42-aircraft castor, 421-axle, 422 a-universal wheel, 422 b-universal wheel.
Detailed Description
Embodiment one:
referring to fig. 1, the braking device of the luggage case of the aircraft wheel of the invention comprises a trigger control mechanism 10, a traction mechanism 20 and a brake lever mechanism 30, wherein the trigger control mechanism 10 is arranged on a handle lever 41 of a telescopic rod of the luggage case 40, a group of brake lever mechanisms 30 are respectively arranged on front and rear aircraft casters on at least one side of the luggage case, and the trigger control mechanism 10 is respectively connected with the two groups of brake lever mechanisms 30 through the traction mechanism 20.
Referring to fig. 2 and 3, the trigger control mechanism 10 includes a trigger button 11 and a U-shaped groove bracket 12 embedded on a handle bar 41 of a pull rod of the luggage case, a tooth bar 13 is fixedly arranged on the bottom surface of the U-shaped groove bracket 12, a hook tooth 14 is arranged at the bottom of the front end of the trigger button 11, a connecting ring 18 for connecting with the traction mechanism 20 is fixedly arranged at the front side of the hook tooth 14, symmetrical rectangular grooves 15 are formed on the groove walls of two sides of the U-shaped groove bracket 12, mutually symmetrical protruding shafts 16 are respectively arranged on two side surfaces of the rear end of the trigger button 11, the protruding shafts 16 extend into the corresponding rectangular grooves 15 and can slide back and forth in the rectangular grooves 15, the trigger button 11 can rotate in the rectangular grooves 15 by taking the protruding shafts 16 on two sides as rotating shafts, the hook tooth 14 can be meshed with the tooth bar 13, and the trigger button 11 is connected with the traction mechanism 20; the top of the trigger button 11 is provided with the raised strips 17, and the raised strips 17 are arranged to facilitate the rotation or sliding of the trigger button 11 in the rectangular groove 15, so that an operator can operate the trigger control mechanism by one hand under the standing condition; the trigger control mechanism 10 may be provided on the top surface, the bottom surface, or both side surfaces of the handle bar 41, and the trigger control mechanism 10 is provided on the side surface of the handle bar 41 in this embodiment.
Referring to fig. 6, the brake lever mechanism 30 includes a brake lever 31, a fixed shaft 32 is vertically mounted on a wheel shaft 421 of a trunk aircraft caster 42, the brake lever 31 is mounted on the fixed shaft 32 and can rotate around the fixed shaft 32, the brake lever 31 and the fixed shaft 32 are positioned in an axial position by a positioning pin 33, the length of the brake lever 31 is longer than the wheel base between two universal wheels of the trunk aircraft caster 43, the brake lever 31 is connected with the trigger button 11 by a traction mechanism 20, and the brake lever 31 rotates around the fixed shaft 32 under the drive of the traction mechanism 20 until two ends of the brake lever 31 are tightly propped against the two universal wheels 422a and 422b of the trunk aircraft caster 42 to realize brake braking; because the length of the brake lever 31 is larger than the wheel base between the two universal wheels 422a, 422b of the trunk aircraft caster 43, when the two ends of the brake lever 31 are in a tight-propped braking state with the two universal wheels 422a, 422b of the trunk aircraft caster 42, the brake lever 31 is only in a nearly horizontal inclined state, which can avoid the brake lever 31 from rotating continuously after being in a horizontal state due to the overlarge rotating angle under the driving of the traction mechanism 20, namely the brake lever 31 is in an idle state and can not be tightly propped with the two universal wheels 422a, 422 b; both ends of the brake lever 31 are conical ends.
Referring to fig. 1, the traction mechanism 20 includes a first steel wire traction rope 21 and a second steel wire traction rope 22, the first steel wire traction rope 21 is connected with the trigger control mechanism 10, and brake lever mechanisms 30a and 30b respectively disposed on front and rear caster wheels 42 on one side are connected with two ends of the second steel wire traction rope 21, and the first steel wire traction rope 21 is connected with the second steel wire traction rope 22 through a switching structure.
Referring to fig. 5, the switching structure includes a switching bracket 23 disposed at the bottom of the side wall of the trunk, a pair of fixed rollers 24 are disposed on a bottom plate of the switching bracket 23, a head end of a first steel wire haulage rope 21 is connected with a connecting ring 18 of a trigger button 11 of the trigger control mechanism 10, a tail end passes through a top plate of the switching bracket 23 and a support plate 25 is fixedly mounted at the tail end, a traction roller 26 is mounted on the support plate 25, the traction roller 26 is located right above a central position of the pair of fixed rollers 24, a central position of a second steel wire haulage rope 22 is wound around a top periphery of the traction roller 26, two sides of the second steel wire haulage rope respectively bypass a bottom periphery of the pair of fixed rollers 24 from inside to outside, and sequentially passes through the side wall of the switching bracket 23, the trunk bottom plate is connected with a brake lever mechanism 20, and a first tension spring 27 is sleeved on the first steel wire haulage rope 21 between the support plate 25 and the top plate of the switching bracket 23;
the second steel wire traction rope 22 comprises a main traction section 221 and two auxiliary traction sections 222, wherein one ends of the two auxiliary traction sections 222 are connected with two ends of the main traction section 221 through a connecting structure, the other ends of the two auxiliary traction sections 222 are respectively connected with brake rods 31 of the front and rear two brake rod mechanisms 30, a second tensioning spring 223 is arranged at the connecting end of the auxiliary traction section 222 and the brake rods 31, the central part of the main traction section 221 is wound on the top periphery of the traction roller 26, and two sides of the main traction section 221 respectively wind the bottom periphery of the pair of fixed rollers 24 from inside to outside respectively and then pass through the side wall of the switching support 23 and are connected with one end of the auxiliary traction section 222 through the connecting structure;
referring to fig. 4, the connection structure includes a U-shaped bracket 28, a rotating shaft connection portion 29 is disposed at an end portion of the main traction section 221, the rotating shaft connection portion 29 is mounted on two side walls of an opening side of the U-shaped bracket 28, one end of the auxiliary traction section 222 is provided with a ball-shaped support 210, the other end of the auxiliary traction section passes through a bottom plate of the trunk and is connected with a brake lever 31 of the brake lever mechanism 30, a through hole is formed in the bottom plate of the U-shaped bracket 28, a diameter of the ball-shaped support 210 is larger than a diameter of the through hole, and the auxiliary traction section 222 passes through the through hole from the opening side of the U-shaped bracket 28 and can be clamped with the through hole of the U-shaped bracket.
The operation of the braking device of the luggage case of the aircraft wheel according to the invention is described in detail below: in the unlocking state of the brake device, under the action of the first tensioning spring 27, the trigger button 11 of the trigger control mechanism 10 is positioned at the forefront end of the U-shaped groove bracket 12, the hook teeth 14 of the trigger button 11 are meshed with the end teeth at the forefront end of the tooth-shaped strip 13, meanwhile, the brake rod 31 of the brake rod mechanism 30 is in an inclined state under the action of the second tensioning spring 223, at the moment, the two ends of the brake rod 31 are not contacted with the two universal wheels 422a and 422b of the airplane wheel 42, and the four airplane wheels of the luggage can freely move and turn; when the luggage case needs to be braked, the convex strips 17 on the trigger button 11 of the trigger control mechanism 10 are pressed and poked to the rear end to enable the luggage case to rotate clockwise in the concave groove 15 by taking the convex shaft 16 at the rear end as a rotating shaft, so that the hooked teeth 14 on the trigger button 11 are unlocked with the tooth shape and the end teeth at the forefront end of the 13, then the trigger button 11 is horizontally pushed to the rear end to enable the luggage case to translate along the concave groove 15, the trigger button 11 drives the first steel wire traction rope 21 to move, the first steel wire traction rope 21 drives the traction roller 26 to move upwards through the support plate 25, the upward movement of the traction roller 26 drives the second steel wire traction rope 22 to shrink inwards and upwards, and accordingly two ends of the second steel wire traction rope 22 drive the brake rods 31 arranged on the front and rear plane wheels to rotate, so that the brake rods 31 rotate to a position close to the horizontal, and as the lengths of the brake rods 31 are slightly larger than the axial distances between the two universal wheels 422a and 422b of the two universal wheels, the conical ends of the brake rods 31 are tightly propped against the two universal wheels 422a and 422b, and the braking of the aircraft is achieved.
Embodiment two:
the difference between the second embodiment and the first embodiment is that, a set of brake lever mechanisms 30 are installed on four aircraft casters 42 of the luggage case, as shown in fig. 7, the first wire traction rope 21 includes a total traction section 211 and two branch traction sections 212, the top end of the total traction section 211 is connected with the trigger button 11, the bottom end is connected with the top ends of the two branch traction sections 212 through a branching mechanism 213, the brake lever mechanisms 30 of the front and rear two aircraft casters located on the left side and the brake lever mechanisms 30 of the front and rear two aircraft casters located on the right side are respectively connected with one second wire traction rope 22, and the two second wire traction ropes 22 are respectively connected with the bottom end of the corresponding one branch traction section 212 through a set of the same switching structures as in the first embodiment. The brake of the brake lever mechanism 30 on the four aircraft casters 42 can be controlled simultaneously through the traction mechanism 20 by controlling the trigger control mechanism 10, so that the brake is more stable and reliable.
The foregoing describes the embodiments of the present invention in detail, but the description is only a preferred embodiment of the invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications of the invention are intended to fall within the scope of the invention.
Claims (5)
1. Brake equipment of aircraft wheel suitcase, its characterized in that: the device comprises a trigger control mechanism (10), a traction mechanism (20) and a brake lever mechanism (30), wherein the trigger control mechanism (10) is arranged on a handle rod (41) of a telescopic rod of a luggage case (40), a group of brake lever mechanisms (30) are respectively arranged on front and rear two aircraft casters (42) on at least one side of the luggage case, and the trigger control mechanism (10) is respectively connected with the two groups of brake lever mechanisms (30) through the traction mechanism (20);
the trigger control mechanism (10) comprises a trigger button (11) and a U-shaped groove bracket (12) embedded on a handle rod (41) of a pull rod of the luggage case, a tooth-shaped strip (13) is fixedly arranged on the bottom surface of the groove of the U-shaped groove bracket (12), a hook tooth (14) is arranged at the bottom of the front end of the trigger button (11), a connecting ring (18) used for being connected with the traction mechanism (20) is fixedly arranged at the front side of the hook tooth (14), symmetrical rectangular grooves (15) are formed in the groove walls at the two sides of the U-shaped groove bracket (12), mutually symmetrical protruding shafts (16) are respectively arranged at the two side surfaces of the rear end of the trigger button (11), the protruding shafts (16) extend into the corresponding rectangular grooves (15) and can slide back and forth in the rectangular grooves (15), the trigger button (11) can rotate in the rectangular grooves (15) by taking the protruding shafts (16) at the two sides, the hook tooth (14) can be meshed with the tooth-shaped strip (13), and the trigger button (11) is connected with the traction mechanism (20);
the traction mechanism (20) comprises a first steel wire traction rope (21) and a second steel wire traction rope (22), the first steel wire traction rope (21) is connected with a connecting ring (18) of a trigger button (11) of the trigger control mechanism (10), brake rod mechanisms (30) respectively arranged on front and rear aircraft casters (42) on one side are connected with two ends of the second steel wire traction rope (22), and the first steel wire traction rope (21) and the second steel wire traction rope (22) are connected through a switching structure;
the brake lever mechanism (30) comprises a brake lever (31), a fixed shaft (32) is vertically arranged on a wheel shaft (421) of a luggage case aircraft caster (42), the brake lever (31) is arranged on the fixed shaft (32) and can rotate around the fixed shaft (32), the brake lever (31) and the fixed shaft (32) are positioned in axial positions through a positioning pin (33), the length of the brake lever (31) is longer than the axle distance between two universal wheels (422 a, 422 b) of the luggage case aircraft caster (42), the brake lever (31) is connected with the trigger button (11) through the traction mechanism (20), and the brake lever (31) is driven by the traction mechanism (20) to rotate around the fixed shaft (32) to a state close to the horizontal, so that the two ends of the brake lever (31) are tightly propped against the two universal wheels (422 a, 422 b) of the luggage case aircraft caster to realize brake;
the switching structure comprises a switching support (23) arranged at the bottom of the side wall of the suitcase, a pair of fixed rollers (24) are arranged on the bottom plate of the switching support (23), the head end of a first steel wire traction rope (21) is connected with a connecting ring (18) of a trigger button (11) of a trigger control mechanism (10), the tail end of the first steel wire traction rope passes through the top plate of the switching support (23), a support plate (25) is fixedly arranged at the tail end of the top plate, a traction roller (26) is arranged on the support plate (25), the traction roller (26) is located right above the central position of the pair of fixed rollers (24), the central position of a second steel wire traction rope (22) is wound on the periphery of the top of the traction roller (26) and the two sides of the central position of the second steel wire traction rope are wound on the periphery of the bottom of the pair of fixed rollers (24) from inside to outside respectively, and then sequentially pass through the side wall of the switching support (23), the bottom plate of the suitcase and then are connected with a brake lever mechanism (30), and the first steel wire traction rope (27) is arranged on the first steel wire traction rope (21) between the support plate (25) and the top plate of the switching support (23).
2. The brake device for an aircraft wheel luggage case of claim 1, wherein: the top of the trigger button (11) is provided with a convex strip (17).
3. The brake device for an aircraft wheel luggage case of claim 1, wherein: the second steel wire traction rope (22) comprises a main traction section (221) and two auxiliary traction sections (222), one ends of the two auxiliary traction sections (222) are connected with two ends of the main traction section (221) through connecting structures, the other ends of the two auxiliary traction sections are connected with brake rods (31) of the brake rod mechanism (30) respectively, second tensioning springs (223) are arranged at the connecting ends of the auxiliary traction sections (222) and the brake rods (31), the central part of the main traction section (221) is wound on the top periphery of the traction roller (26) and two sides of the central part of the main traction section are wound on the bottom periphery of the pair of fixed rollers (24) from inside to outside respectively, and then penetrate through the side walls of the transfer support (23) and are connected with one ends of the auxiliary traction sections (222) through the connecting structures.
4. A brake device for an aircraft wheel luggage case according to claim 3, wherein: the connecting structure comprises a U-shaped bracket (28), a rotating shaft connecting part (29) is arranged at the end part of the main traction section (221), the rotating shaft connecting part (29) is arranged on two side walls of the opening side of the U-shaped bracket (28), one end of the auxiliary traction section (222) is provided with a spherical support (210), the other end of the auxiliary traction section passes through the bottom plate of the trunk and then is connected with a brake rod (31) of the brake rod mechanism (30), a through hole is formed in the bottom plate of the U-shaped bracket (28), the diameter of the spherical support (210) is larger than the diameter of the through hole, and the auxiliary traction section (222) passes through the through hole from the opening side and can be clamped and limited with the through hole of the U-shaped bracket (28).
5. The brake device for an aircraft wheel luggage case of claim 4, wherein: a group of brake lever mechanisms (30) are arranged on four aircraft casters (42) of the luggage case, the first steel wire traction rope (21) comprises a total traction section (211) and two branch traction sections (212), the top end of the total traction section (211) is connected with the trigger button (11), the bottom end of the total traction section is connected with the top ends of the two branch traction sections (212) through a branching mechanism (213), the brake lever mechanisms (30) of the two aircraft casters (42) located on the left side and the brake lever mechanisms (30) of the two aircraft casters (42) located on the right side are respectively connected with one second steel wire traction rope (22), and the two second steel wire traction ropes (22) are respectively connected with the corresponding bottom ends of the two branch traction sections (212) through a group of switching structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711477035.4A CN107928054B (en) | 2017-12-29 | 2017-12-29 | Brake device of airplane wheel luggage case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711477035.4A CN107928054B (en) | 2017-12-29 | 2017-12-29 | Brake device of airplane wheel luggage case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107928054A CN107928054A (en) | 2018-04-20 |
| CN107928054B true CN107928054B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711477035.4A Active CN107928054B (en) | 2017-12-29 | 2017-12-29 | Brake device of airplane wheel luggage case |
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| CN (1) | CN107928054B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025779A (en) * | 2018-07-14 | 2018-12-18 | 黄崇华 | Skidding type household does not fall terraced |
| CN108915573A (en) * | 2018-07-14 | 2018-11-30 | 黄崇华 | Mobile domestic folding ladder |
| CN109757843B (en) * | 2019-03-25 | 2020-11-27 | 平湖市中村箱包有限公司 | Anti-skidding draw-bar box |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3168705U (en) * | 2011-04-14 | 2011-06-23 | ビューティフル ラゲッジ マニュファクチュアリング カンパニー リミテッド | Suitcase structure with caster brake function |
| JP2013102991A (en) * | 2011-11-15 | 2013-05-30 | T & S Co Ltd | Baggage caster lock device |
| CN103932470A (en) * | 2014-05-15 | 2014-07-23 | 上海电机学院 | Luggage case with manually-controlled brake |
| CN204444588U (en) * | 2015-01-14 | 2015-07-08 | 西北农林科技大学 | A kind of universal wheel pulling-rod trunk braked |
| CN208228524U (en) * | 2017-12-29 | 2018-12-14 | 马闯闯 | A kind of brake gear of aircraft wheel luggage case |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120160617A1 (en) * | 2010-12-27 | 2012-06-28 | T & S Co., Ltd. | Baggage caster lock device |
| CN202664579U (en) * | 2012-06-04 | 2013-01-16 | 东莞市江顺箱包袋配件有限公司 | Luggage wheel set brake system and control device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3168705U (en) * | 2011-04-14 | 2011-06-23 | ビューティフル ラゲッジ マニュファクチュアリング カンパニー リミテッド | Suitcase structure with caster brake function |
| JP2013102991A (en) * | 2011-11-15 | 2013-05-30 | T & S Co Ltd | Baggage caster lock device |
| CN103932470A (en) * | 2014-05-15 | 2014-07-23 | 上海电机学院 | Luggage case with manually-controlled brake |
| CN204444588U (en) * | 2015-01-14 | 2015-07-08 | 西北农林科技大学 | A kind of universal wheel pulling-rod trunk braked |
| CN208228524U (en) * | 2017-12-29 | 2018-12-14 | 马闯闯 | A kind of brake gear of aircraft wheel luggage case |
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| CN107928054A (en) | 2018-04-20 |
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