CN208228520U - A kind of luggage with telescoping bracket - Google Patents

Abstract

The utility model discloses a kind of luggages with telescoping bracket, its structure includes movable pulley, bracket, luggage rear cover, the first in command, telescopic lever, handle, second handle, zipper, luggage front cover, the movable pulley is vertically mounted on the bottom of bracket by bolted connection, four angles of the bracket base are designed with movable pulley, the luggage rear cover is mounted on the top of bracket, the first in command is vertically mounted on by bolted connection on the left side of luggage rear cover, a kind of luggage with telescoping bracket of the utility model, structure is equipped with hand-operated wheel in the processing of bracket, the telescopic rod of telescopic device inside bracket can be controlled by operating handwheel stretch, it does not need to stretch expansion bracket with hand, bracket will not be made stuck phenomenon occur, the service life of bracket can be improved.

Description

A kind of luggage with telescoping bracket

Technical field

The utility model is a kind of luggage with telescoping bracket, belongs to luggage technical field.

Background technique

Luggage is the general designation to sack, is the general designation for filling the various packets of thing, including general shopping bag, portable Packet, hand take packet, wallet, knapsack, shoulder bag, satchel, purse and a variety of trolley cases etc..As the high speed of traffic is flourishing, Ren Mensheng The number of living and the level of consumption the continuous improvement, people's trip is increasing, and it is carry-on that miscellaneous luggage becomes a kind of carrying The tool of the personal belongings such as article and clothes and it is essential, general luggage includes body bag, telescopic lever and luggage return pulley.

Prior-art devices need to be gone with hand to pull expansion bracket, could place other luggage, pull bracket with hand, Sometimes can be because of the imbalance of power, causing telescopic rod, one is long and the other is short, is used for a long time, is easy that bracket is made stuck phenomenon occur, right The trip of people brings inconvenience.

Utility model content

In view of the deficienciess of the prior art, the utility model aim is to provide a kind of luggage with telescoping bracket, with Solution prior-art devices need to be gone with hand to pull expansion bracket, could place other luggage, bracket be pulled with hand, sometimes Time can be because of the imbalance of power, and causing telescopic rod, one is long and the other is short, is used for a long time, is easy that bracket is made stuck phenomenon occur, to people Trip the problem of bringing inconvenience.

To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of have flexible support The luggage of frame, structure include movable pulley, bracket, luggage rear cover, the first in command, telescopic lever, handle, second handle, zipper, Luggage front cover, the movable pulley are vertically mounted on the bottom of bracket by bolted connection, and four of the bracket base Angle is designed with movable pulley, and the luggage rear cover is mounted on the top of bracket, and the first in command is by bolted connection It is vertically mounted on the left side of luggage rear cover, described telescopic lever one end is connected with handle, the other end and luggage rear cover The back side matches, and the excessively bolted mode of the second handle is vertically mounted on the top of luggage rear cover, after the luggage Lid is flexibly connected by zipper with luggage front cover；The bracket is by preceding movable plate, pilot hole, transmission device, telescopic rod, flexible dress It sets, the first spring, headstock, power device, guide wheel, limited block, second spring, bracing wire, guide rod, guide cylinder, the first support Plate, the second support plate composition, the preceding movable plate and bracket activity cooperate, and are provided with pilot hole on the foreboard of the bracket, described Telescopic rod one end is vertical with the top of preceding movable plate right side to be connect, and the other end is connected with one end of the first spring, and described The other end of one spring is connected with headstock left plate, and power device, the telescopic device are equipped with inside the headstock It is matched with preceding movable plate, the transmission device is matched with telescopic device, the right side of described guide cylinder one end and preceding movable plate Face vertical welding, the other end and headstock left plate bottom vertical welding, the guide cylinder inside are equipped with guide rod and the second bullet Spring, described guide rod one end is vertical with the right side bottom of preceding movable plate to be connect, and the other end is connected with one end of second spring, The other end of the second spring is connected with limited block, and described bracing wire one end is connected with the other end of guide rod, described to lead Wheel is mounted on right end inside guide cylinder, the left plate vertical welding of first support plate one end and headstock, and described second Support plate is vertically arranged, the other end vertical welding of second support plate and the first support plate.

Further, the transmission device is by traffic cycle, round pin, the first rotary shaft, first pulley, driving lever, mini-roundabout, Two rotary shafts, the second belt wheel, the first transmission belt, the first worm gear, third belt wheel, third rotary shaft composition.

Further, first rotary shaft one end is connected with traffic cycle, and the other end is connected with first pulley, described First pulley is located at the front end of traffic cycle, is uniformly provided with ten round pins on the traffic cycle, second rotary shaft one end with Mini-roundabout is connected, and the other end is connected with the second belt wheel, and second belt wheel is located at the front end of mini-roundabout, on the mini-roundabout Uniformly the equidistant driving lever for being equipped with the six roots of sensation, the driving lever are flexibly connected with round pin, third rotary shaft one end and the first worm gear phase Connection, the other end is connected with third belt wheel, and the third belt wheel is located at the front end of the first worm gear, and the third belt wheel passes through the One transmission belt is connect with the second belt wheel transmission.

Further, the telescopic device is by the 4th rotary shaft, the 4th belt wheel, gear, push rod, the second transmission belt, sliding Slot, rack gear, pulley composition.

Further, described 4th rotary shaft one end is connected with gear, and the other end is connected with the 4th belt wheel, and described Four belt wheels are located at the front end of gear, and the 4th belt wheel is sequentially connected by the second transmission belt and first pulley, and the rack gear is logical It crosses pulley to be slidably matched with sliding groove, the rack and pinion is meshed, described push rod one end and rack gear vertical welding, the other end With the right side vertical welding of preceding movable plate.

Further, the power device by power wheel, the 5th rotary shaft, third transmission belt, the second worm screw, driven wheel, Hand-operated device, the second worm gear, the first worm screw, the 6th rotary shaft, take-up pulley composition.

Further, described 5th rotary shaft one end is connected with hand-operated device, and the other end runs through power wheel and interconnection, The hand-operated device is vertically mounted on by bolted connection on headstock right side plate, and the power wheel passes through third transmission belt It being sequentially connected with driven wheel, second worm screw one end is connected with driven wheel, and the other end is connected with one end of the first worm screw, Bearing inner race interference fit on the other end and the second support plate of first worm screw, first worm screw and the first worm gear phase Engagement, described 6th rotary shaft one end is connected with the second worm gear, and the other end is connected with take-up pulley, and the take-up pulley is positioned at the The front end of two worm gears, second worm gear are meshed with the second worm screw, and the other end of the bracing wire is connected with take-up pulley.

Further, at the right end of the guide cylinder and middle of limited block is all provided with threading hole.

Beneficial effect

A kind of luggage with telescoping bracket of the utility model, when needing to place extra luggage, by hand-operated device up time Needle rotation, hand-operated device drive power wheel to rotate clockwise, and power wheel rotates clockwise driven wheel and then by third transmission belt, Second worm screw coaxial with driven wheel, the first worm screw and then rotate；The rotation of first the first worm gear of worm drive, it is same with the first worm gear The third belt wheel of axis rotates clockwise the second belt wheel by the first transmission belt, and coaxial mini-roundabout follows up time with the second belt wheel Needle rotates, and the driving lever on mini-roundabout is matched with the round pin on traffic cycle, rotates counterclockwise traffic cycle, same with traffic cycle The first pulley of axis makes the 4th belt wheel that rotation counterclockwise occur by the second transmission belt, and coaxial gear is and then inverse with the 4th belt wheel Hour hands rotation, to push meshed rack gear phase left movement, the telescopic rod on rack gear stretches out preceding movable plate to the left；? While first worm screw rotates, the second worm screw, which rotates clockwise, rotates the second worm gear also, the coaxial receipts with the second worm gear Line wheel and then rotates clockwise, and take-up pulley loosens bracing wire, and second spring is due to elastic property to be restored, by guide rod phase Left ejection, guide rod push preceding movable plate together with push rod to the left, so as to which luggage to be placed on telescopic rod.Structure is being held in the palm Hand-operated wheel is installed in the processing of frame, can control the telescopic rod of telescopic device inside bracket by operating handwheel stretch Contracting, does not need to stretch expansion bracket with hand, bracket will not be made stuck phenomenon occur, and bracket can be improved uses the longevity Life.

Detailed description of the invention

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon:

Fig. 1 is a kind of schematic perspective view of the luggage with telescoping bracket of the utility model；

Fig. 2 is the first full the schematic diagram of the section structure of the utility model bracket main view；

Fig. 3 is second of full the schematic diagram of the section structure of the utility model bracket main view.

In figure: movable pulley -1, bracket -2, luggage rear cover -3, the first in command -4, telescopic lever -5, handle -6, second Hand -7, zipper -8, luggage front cover -9, preceding movable plate -21, pilot hole -22, transmission device -23, telescopic rod -24, telescopic device - 25, the first spring -26, headstock -27, power device -28, guide wheel -29, limited block -210, second spring -211, bracing wire - 212, guide rod -213, guide cylinder -214, the first support plate -215, the second support plate -216, traffic cycle -2301, round pin - 2302, the first rotary shaft -2303, first pulley -2304, driving lever -2305, mini-roundabout -2306, the second rotary shaft -2307, second Belt wheel -2308, the first transmission belt -2309, the first worm gear -2310, third belt wheel -2311, third rotary shaft the -2312, the 4th are revolved Shaft -2501, the 4th belt wheel -2502, gear -2503, push rod -2504, the second transmission belt -2505, sliding groove -2506, rack gear - 2507, pulley -2508, power wheel -2801, the 5th rotary shaft -2802, third transmission belt -2803, the second worm screw -2804, driven Take turns -2805, hand-operated device -2806, the second worm gear -2807, the first worm screw -2808, the 6th rotary shaft -2809, take-up pulley -2810.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

Please refer to Fig. 1, Fig. 2 and Fig. 3, the utility model provides a kind of luggage technical solution with telescoping bracket: it is tied Structure includes movable pulley 1, bracket 2, luggage rear cover 3, the first in command 4, telescopic lever 5, handle 6, second handle 7, zipper 8, luggage Front cover 9, the movable pulley 1 are vertically mounted on the bottom of bracket 2 by bolted connection, and four of 2 bottom of bracket Angle is designed with movable pulley 1, and the luggage rear cover 3 is mounted on the top of bracket 2, what the first in command 4 was bolted Mode is vertically mounted on the left side of luggage rear cover 3, and described 5 one end of telescopic lever is connected with handle 6, the other end and luggage The back side of rear cover 3 matches, and the excessively bolted mode of second handle 7 is vertically mounted on the top of luggage rear cover 3, institute Luggage rear cover 3 is stated to be flexibly connected by zipper 8 with luggage front cover 9；The bracket 2 is filled by preceding movable plate 21, pilot hole 22, transmission Set 23, telescopic rod 24, telescopic device 25, the first spring 26, headstock 27, power device 28, guide wheel 29, limited block 210, second Spring 211, bracing wire 212, guide rod 213, guide cylinder 214, the first support plate 215, the second support plate 216 composition, the Forward Movable plate 21 and 2 activity of bracket cooperate, and pilot hole 22, described 24 one end of telescopic rod and preceding movement are provided on the foreboard of the bracket 2 The top of 21 right side of plate vertically connects, and the other end is connected with one end of the first spring 26, first spring 26 it is another End is connected with 27 left plate of headstock, power device 28 is equipped with inside the headstock 27, the telescopic device 25 is with before Movable plate 21 matches, and the transmission device 23 is matched with telescopic device 25, described 214 one end of guide cylinder and preceding movable plate 21 Right side vertical welding, the other end and 27 left plate bottom vertical welding of headstock are equipped with guiding inside the guide cylinder 214 Bar 213 and second spring 211, described 213 one end of guide rod is vertical with the right side bottom of preceding movable plate 21 to be connect, the other end and One end of second spring 211 is connected, and the other end of the second spring 211 is connected with limited block 210, the bracing wire 212 One end is connected with the other end of guide rod 213, and the guide wheel 29 is mounted on the right end inside guide cylinder 214, and described first The left plate vertical welding of 215 one end of fagging and headstock 27, second support plate 216 are vertically arranged, and described second The other end vertical welding of fagging 216 and the first support plate 215, the transmission device 23 is by traffic cycle 2301, round pin 2302, One rotary shaft 2303, first pulley 2304, driving lever 2305, mini-roundabout 2306, the second rotary shaft 2307, the second belt wheel 2308, One transmission belt 2309, the first worm gear 2310, third belt wheel 2311, third rotary shaft 2312 form, first rotary shaft 2303 One end is connected with traffic cycle 2301, and the other end is connected with first pulley 2304, and the first pulley 2304 is located at traffic cycle 2301 front end, is uniformly provided with ten round pins 2302 on the traffic cycle 2301, described second rotary shaft, 2307 one end with it is small Turntable 2306 is connected, and the other end is connected with the second belt wheel 2308, before second belt wheel 2308 is located at mini-roundabout 2306 It holds, uniformly the equidistant driving lever 2305 for being equipped with the six roots of sensation, the driving lever 2305 are flexibly connected with round pin 2302 on the mini-roundabout 2306, Described 2312 one end of third rotary shaft is connected with the first worm gear 2310, and the other end is connected with third belt wheel 2311, and described Three belt wheels 2311 are located at the front end of the first worm gear 2310, and the third belt wheel 2311 passes through the first transmission belt 2309 and the second belt wheel 2308 transmission connections, the telescopic device 25 is by the 4th rotary shaft 2501, the 4th belt wheel 2502, gear 2503, push rod 2504, the Two transmission belts 2505, sliding groove 2506, rack gear 2507, pulley 2508 form, described 4th rotary shaft, 2501 one end and gear 2503 are connected, and the other end is connected with the 4th belt wheel 2502, and the 4th belt wheel 2502 is located at the front end of gear 2503, described 4th belt wheel 2502 is sequentially connected by the second transmission belt 2505 with first pulley 2304, and the rack gear 2507 passes through pulley 2508 It is slidably matched with sliding groove 2506, the rack gear 2507 is meshed with gear 2503, described 2504 one end of push rod and rack gear 2507 Vertical welding, the right side vertical welding of the other end and preceding movable plate 21, the power device 28 are revolved by power wheel the 2801, the 5th Shaft 2802, third transmission belt 2803, the second worm screw 2804, driven wheel 2805, hand-operated device 2806, the second worm gear 2807, first Worm screw 2808, the 6th rotary shaft 2809, take-up pulley 2810 form, and described 5th rotary shaft, 2802 one end is connected with hand-operated device 2806 It connects, the other end is through power wheel 2801 and is connected with each other, and the hand-operated device 2806 is vertically mounted on by bolted connection On 27 right side plate of headstock, the power wheel 2801 is sequentially connected by third transmission belt 2803 and driven wheel 2805, and described the Two worm screws, 2804 one end is connected with driven wheel 2805, and the other end is connected with one end of the first worm screw 2808, first snail Bearing inner race interference fit on the other end of bar 2808 and the second support plate 216, first worm screw 2808 and the first worm gear 2310 are meshed, and described 6th rotary shaft, 2809 one end is connected with the second worm gear 2807, and the other end is connected with take-up pulley 2810 It connecing, the take-up pulley 2810 is located at the front end of the second worm gear 2807, and second worm gear 2807 is meshed with the second worm screw 2804, The other end of the bracing wire 212 is connected with take-up pulley 2810, at the right end of the guide cylinder 214 and centre of limited block 210 Place is all provided with threading hole.

Worm gear mechanism described in this patent is commonly used to movement and power between two alternating axis of transmitting.Worm gear and worm screw Wheel and rack is equivalent in plane therebetween, worm screw is again similar to screw configuration.

When needing to place extra luggage, hand-operated device 2806 is rotated clockwise, hand-operated device 2806 drives power wheel 2801 rotate clockwise, and power wheel 2801 rotates clockwise driven wheel 2805 and then by third transmission belt 2803, and driven The second coaxial worm screw 2804 of wheel 2805, the first worm screw 2808 and then rotate；First worm screw 2808 drives 2310 turns of the first worm gear It is dynamic, second rotation clockwise of belt wheel 2308 is made by the first transmission belt 2309 with the coaxial third belt wheel 2311 of the first worm gear 2310 Turn, is and then rotated clockwise with the coaxial mini-roundabout 2306 of the second belt wheel 2308, the driving lever 2305 on mini-roundabout 2306 turns with big Round pin 2302 on disk 2301 matches, and rotates counterclockwise traffic cycle 2301, the coaxial first band with traffic cycle 2301 Wheel 2304 makes the 4th belt wheel 2502 occur to rotate counterclockwise by the second transmission belt 2505, the coaxial gear with the 4th belt wheel 2502 2503 and then rotations counterclockwise, so that meshed 2507 phase left movement of rack gear is pushed, the telescopic rod 24 on rack gear 2507 Preceding movable plate 21 is stretched out to the left；While the rotation of the first worm screw 2808, the second worm screw 2804, which rotates clockwise, makes the second snail Wheel 2807 also rotates, and and then rotates clockwise with the coaxial take-up pulley 2810 of the second worm gear 2807,2810 pairs of take-up pulley drawings Line 212 is loosened, and second spring 211 fails to agree ejection due to elastic property to be restored, by guide rod 213, guide rod 213 with push away Bar 2504 together pushes preceding movable plate 21 to the left, so as to which luggage to be placed on telescopic rod 24.

The utility model solution prior-art devices need to be gone with hand to pull expansion bracket, could place other luggage, Bracket is pulled with hand, sometimes can be because of the imbalance of power, causing telescopic rod, one is long and the other is short, is used for a long time, is easy to make bracket There is stuck phenomenon, the problem of bringing inconvenience to the trip of people, the utility model is combined with each other by above-mentioned component, structure Hand-operated wheel is installed in the processing of bracket, the progress of the telescopic rod of telescopic device inside bracket can be controlled by operating handwheel It is flexible, it does not need to stretch expansion bracket with hand, bracket will not be made stuck phenomenon occur, bracket can be improved uses the longevity Life.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims All changes are embraced therein.It should not treat any reference in the claims as limiting related right It is required that.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (8)

1. a kind of luggage with telescoping bracket, structure includes movable pulley (1), bracket (2), luggage rear cover (3), the first in command (4), telescopic lever (5), handle (6), second handle (7), zipper (8), luggage front cover (9), it is characterised in that:

The movable pulley (1) is vertically mounted on the bottom of bracket (2) by bolted connection, bracket (2) bottom Four angles are designed with movable pulley (1), and the luggage rear cover (3) is mounted on the top of bracket (2), and the first in command (4) is logical It crosses bolted mode to be vertically mounted on the left side of luggage rear cover (3), described telescopic lever (5) one end and handle (6) It is connected, the other end is matched with the back side of luggage rear cover (3), and the excessively bolted mode of second handle (7) is vertically pacified On the top of luggage rear cover (3), the luggage rear cover (3) is flexibly connected by zipper (8) with luggage front cover (9)；

The bracket (2) is by preceding movable plate (21), pilot hole (22), transmission device (23), telescopic rod (24), telescopic device (25), the first spring (26), headstock (27), power device (28), guide wheel (29), limited block (210), second spring (211), Bracing wire (212), guide rod (213), guide cylinder (214), the first support plate (215), the second support plate (216) composition, before described Movable plate (21) and bracket (2) activity cooperate, and are provided with pilot hole (22) on the foreboard of the bracket (2), the telescopic rod (24) One end is vertical with the top of preceding movable plate (21) right side to be connect, and the other end is connected with the one end of the first spring (26), described The other end of first spring (26) is connected with headstock (27) left plate, is equipped with power device inside the headstock (27) (28), the telescopic device (25) matches with preceding movable plate (21), and the transmission device (23) and telescopic device (25) match It closes, the right side vertical welding of described guide cylinder (214) one end and preceding movable plate (21), the other end and headstock (27) left plate Bottom vertical welding, the guide cylinder (214) is internal to be equipped with guide rod (213) and second spring (211), the guide rod (213) one end is vertical with the right side bottom of preceding movable plate (21) connect, and the other end is connected with the one end of second spring (211) It connects, the other end of the second spring (211) is connected with limited block (210), described bracing wire (212) one end and guide rod (213) the other end is connected, and the guide wheel (29) is mounted on the internal right end of guide cylinder (214), first support plate (215) the left plate vertical welding of one end and headstock (27), second support plate (216) are vertically arranged, and described second The other end vertical welding of support plate (216) and the first support plate (215).

2. a kind of luggage with telescoping bracket according to claim 1, it is characterised in that: the transmission device (23) by Traffic cycle (2301), round pin (2302), the first rotary shaft (2303), first pulley (2304), driving lever (2305), mini-roundabout (2306), the second rotary shaft (2307), the second belt wheel (2308), the first transmission belt (2309), the first worm gear (2310), third band Take turns (2311), third rotary shaft (2312) composition.

3. a kind of luggage with telescoping bracket according to claim 2, it is characterised in that: first rotary shaft (2303) one end is connected with traffic cycle (2301), and the other end is connected with first pulley (2304), the first pulley (2304) it is located at the front end of traffic cycle (2301), ten round pins (2302) is uniformly provided on the traffic cycle (2301), it is described Second rotary shaft (2307) one end is connected with mini-roundabout (2306), and the other end is connected with the second belt wheel (2308), and described Two belt wheels (2308) are located at the front end of mini-roundabout (2306), and the driving lever of the six roots of sensation is uniformly equidistantly equipped on the mini-roundabout (2306) (2305), the driving lever (2305) is flexibly connected with round pin (2302), described third rotary shaft (2312) one end and the first worm gear (2310) it is connected, the other end is connected with third belt wheel (2311), and the third belt wheel (2311) is located at the first worm gear (2310) front end, the third belt wheel (2311) are sequentially connected by the first transmission belt (2309) and the second belt wheel (2308).

4. a kind of luggage with telescoping bracket according to claim 1, it is characterised in that: the telescopic device (25) by 4th rotary shaft (2501), the 4th belt wheel (2502), gear (2503), push rod (2504), the second transmission belt (2505), sliding groove (2506), rack gear (2507), pulley (2508) composition.

5. a kind of luggage with telescoping bracket according to claim 4, it is characterised in that: the 4th rotary shaft (2501) one end is connected with gear (2503), and the other end is connected with the 4th belt wheel (2502), the 4th belt wheel (2502) Positioned at the front end of gear (2503), the 4th belt wheel (2502) is passed by the second transmission belt (2505) and first pulley (2304) Dynamic connection, the rack gear (2507) are slidably matched by pulley (2508) with sliding groove (2506), the rack gear (2507) and tooth Wheel (2503) is meshed, described push rod (2504) one end and rack gear (2507) vertical welding, the other end and preceding movable plate (21) Right side vertical welding.

6. a kind of luggage with telescoping bracket according to claim 1, it is characterised in that: the power device (28) by Power wheel (2801), the 5th rotary shaft (2802), third transmission belt (2803), the second worm screw (2804), driven wheel (2805), hand Shake device (2806), the second worm gear (2807), the first worm screw (2808), the 6th rotary shaft (2809), take-up pulley (2810) composition.

7. a kind of luggage with telescoping bracket according to claim 6, it is characterised in that: the 5th rotary shaft (2802) one end is connected with hand-operated device (2806), and the other end is through power wheel (2801) and is connected with each other, the hand-operated device (2806) it is vertically mounted on by bolted connection on headstock (27) right side plate, the power wheel (2801) passes through third Transmission belt (2803) and driven wheel (2805) are sequentially connected, and described second worm screw (2804) one end is connected with driven wheel (2805) It connects, the other end is connected with the one end of the first worm screw (2808), the other end and the second support plate of first worm screw (2808) (216) the bearing inner race interference fit on, first worm screw (2808) are meshed with the first worm gear (2310), the 6th rotation Shaft (2809) one end is connected with the second worm gear (2807), and the other end is connected with take-up pulley (2810), the take-up pulley (2810) it is located at the front end of the second worm gear (2807), second worm gear (2807) is meshed with the second worm screw (2804), described The other end of bracing wire (212) is connected with take-up pulley (2810).

8. a kind of luggage with telescoping bracket according to claim 1, it is characterised in that: the guide cylinder (214) Threading hole is all provided with the middle of limited block (210) at right end.