CN107594816A - A kind of draw-bar box for being easy to pull - Google Patents
A kind of draw-bar box for being easy to pull Download PDFInfo
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- CN107594816A CN107594816A CN201710992709.8A CN201710992709A CN107594816A CN 107594816 A CN107594816 A CN 107594816A CN 201710992709 A CN201710992709 A CN 201710992709A CN 107594816 A CN107594816 A CN 107594816A
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- 230000009194 climbing Effects 0.000 claims abstract description 91
- 238000013016 damping Methods 0.000 claims abstract description 33
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The invention belongs to draw-bar box field, specifically a kind of draw-bar box for being easy to pull, including casing, pull bar, controller, universal wheel, climbing unit and antiskid unit；Pull bar and controller are provided with above casing, and the lower section of casing is provided with universal wheel, and climbing unit and antiskid unit are connected with the left of casing, is provided with cuboid-type mounting groove on the left of casing, pull bar is located at the left side of controller；Climbing unit is located at the left side of antiskid unit, pull plate can pull on stair slide plate, the upper right side of stair slide plate is connected with damping device, telescopic element is used to promote climbing unit, cuboid-type mounting groove is used to install telescopic element, motor is used to drive dextrorotation sliding block and derotation sliding block to move backward on Bidirectional-screw, anti-slip module is used for tie-strut case, anti-slip module also has cushioning effect simultaneously, the stability of draw-bar box is set further to improve, buckle is provided with the left-hand face of casing, buckle is used to pack up anti-slip module.
Description
Technical Field
The invention belongs to the field of draw-bar boxes, and particularly relates to a draw-bar box convenient to pull.
Background
The box of current draw-bar box roughly divide into two kinds, one kind is all as the box with the cloth, metal framework or plastic skeleton are used to the skeleton, another kind is as the box with the plastic casing, no matter which kind of box, the bottom half must can be equipped with gyro wheel mounting structure, install on its skeleton as the draw-bar box gyro wheel of box with the cloth, install on the plastic casing as the draw-bar box gyro wheel of box with the plastic casing, these two kinds of installation modes all need combine together gyro wheel and the wheel shell with bottom half looks adaptation and install the wheel shell on the box thereby with the gyro wheel install on the box. Since the casters are mounted directly to the frame or housing, the firmness and longevity of the entire draw-bar box may be compromised.
Also appear some draw-bar box's technical scheme among the prior art, chinese patent like application number 201310290297.5 discloses a draw-bar box, including box, handle, still including fixing the fixed bed on box top, form the clearance that the handle of being convenient for wore to establish between fixed bed and the box, handle swing joint is in the clearance, be equipped with the opening that the handle of being convenient for snatched on the fixed bed. Although the technical scheme solves the problem that the handle falls off to bring inconvenience to people in travelling, the technical scheme cannot solve the problem of stability of the draw-bar box in pulling; this technical scheme also can not solve people and be afraid of when stair simultaneously, the draw-bar box can conveniently stimulate.
In view of the above, the draw-bar box convenient to pull can solve the problem of stability of the draw-bar box on a flat road and can also solve the problem that people can conveniently pull the draw-bar box when climbing stairs; the method has the following specific beneficial effects:
1. the invention relates to a draw-bar box convenient to pull, wherein a climbing unit comprises a climbing plate, a pull plate, a stair sliding plate, a damping device, a telescopic element, a fixed rod and a fixed block; the climbing plate is arranged on the left surface of the pull plate, the right side of the pull plate is connected with a stair sliding plate, the pull plate can be pulled on the stair sliding plate, the area of the climbing plate is changed by vertically pulling the pull plate, and the damping device is connected to the upper right of the stair sliding plate and used for reducing the vibration of a climbing plate box body during climbing; the right end of the damping device is connected with a telescopic element; the telescopic element pushes the stair slide plate to incline for adapting to different stair slopes; the pull plate is pulled up and down to change the area of the climbing plate so as to adapt to different stair heights; the damping device is used for reducing the vibration of the trolley case moving on the stairs.
2. The invention relates to a draw-bar box convenient to pull, wherein an anti-skid unit comprises a bidirectional screw rod, a sliding block, a sliding rail, a connecting seat, a connecting rod and an anti-skid module; the bidirectional screw rod drives the sliding block to move through the connecting rod; the sliding block is arranged on the sliding rail and drives the anti-sliding module to move; the anti-slip module is used for supporting the draw-bar box, so that the draw-bar box is not easy to topple over when moving, and meanwhile, the anti-slip module also has a damping effect, so that the stability of the draw-bar box is further improved.
3. According to the draw-bar box convenient to pull, the pneumatic spring is used for supporting the first rotating shaft and the second rotating shaft, so that a proper distance is kept between the first rotating shaft and the second rotating shaft; the pneumatic spring also has a damping effect; the tensioning spring is used for tensioning the first rotating shaft to enable the first rotating shaft to be vertical to the surface of the box body; the tensioning spring may serve to further dampen vibrations.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the draw-bar box convenient to pull, which is mainly used for keeping the stability of a box body when the draw-bar box meets small obstacles on a common road surface, and enabling the draw-bar box to be pulled on stairs or slopes, so that the travel of people is facilitated; the anti-skid unit of the invention increases the stability of the box body; meanwhile, the climbing unit can enable the draw-bar box to be easily pulled on stairs or slopes.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a draw-bar box convenient to pull, which comprises a box body, a draw bar, a controller, universal wheels, a climbing unit and an anti-skidding unit, wherein the box body is provided with a box body; a pull rod and a controller are arranged above the box body, universal wheels are arranged below the box body, a climbing unit and an anti-skidding unit are connected to the left side of the box body, and a cuboid mounting groove is formed in the left side of the box body; the pull rod is positioned on the left side of the controller; the climbing unit is positioned on the left side of the anti-skidding unit; wherein,
the climbing unit comprises a climbing plate, a drawing plate, a stair sliding plate, a vibration damper, a telescopic element, a fixed rod and a fixed block; the climbing plate is arranged on the left surface of the pull plate, the right side of the pull plate is connected with a stair sliding plate, the pull plate can be pulled on the stair sliding plate, the right upper side of the stair sliding plate is connected with a vibration damper, and the right end of the vibration damper is connected with a telescopic element; the cuboid mounting groove is used for mounting a telescopic element; the right lower part of the stair sliding plate is hinged with a fixed rod, the right end of the fixed rod is connected with a fixed block, and the fixed block is arranged on the inner surface of the box body; the climbing unit is used for enabling the draw-bar box to conveniently climb or climb stairs, and a buckle is arranged on the left side surface of the box body; the buckle is used for retracting the anti-slip module.
The anti-skid unit comprises a bidirectional screw rod, a sliding block, a sliding rail, a connecting seat, a connecting rod and an anti-skid module; the bidirectional screw rod comprises an upper supporting seat, a lower supporting seat, a motor, a forward-rotation sliding block and a backward-rotation sliding block, the upper supporting seat and the lower supporting seat are installed on the left side surface of the box body, the motor is located above the upper supporting seat, the forward-rotation sliding block and the backward-rotation sliding block are respectively hinged with a connecting rod, and the connecting rod is hinged with the connecting seat; the connecting seat is connected with the sliding block through a push rod; the sliding block is arranged on the sliding rail, the left end face of the sliding block is connected with the fixed seat through the pushing rod, and the fixed seat is hinged with the anti-sliding module; the sliding rail and the fixed seat are both arranged on the left side surface of the box body; the anti-slip module comprises a first rotating shaft, a second rotating shaft and universal wheels; first axis of rotation and sliding block between link to each other through taut spring, and first axis of rotation and second axis of rotation link together through articulated, are connected with pneumatic spring between first axis of rotation and the second axis of rotation, and second axis of rotation below is connected with the universal wheel.
In the climbing unit, the climbing plate is made of wear-resistant rubber materials, and rollers are mounted on the climbing plate.
The damping device comprises a damping telescopic rod and a spring, and the spring is arranged on the outer layer of the damping telescopic rod; the vibration reduction device is used for reducing the vibration of the draw-bar box when climbing stairs; the pull plate is used for stretching the climbing plate up and down, so that the climbing plate is suitable for different stair step heights.
The telescopic element is one of a telescopic element and an electric push rod.
The cross section of the climbing plate is arc-shaped and is used for avoiding the trolley case from colliding with the corner of the stair when being pulled on the stair.
The invention has the beneficial effects that:
1. the invention relates to a draw-bar box convenient to pull, wherein a climbing unit comprises a climbing plate, a pull plate, a stair sliding plate, a damping device, a telescopic element, a fixed rod and a fixed block; the climbing plate is arranged on the left surface of the pull plate, the right side of the pull plate is connected with a stair sliding plate, the pull plate can be pulled on the stair sliding plate, the area of the climbing plate is changed by vertically pulling the pull plate, and the damping device is connected to the upper right of the stair sliding plate and used for reducing the vibration of a climbing plate box body during climbing; the right end of the damping device is connected with a telescopic element; the telescopic element pushes the stair slide plate to incline for adapting to different stair slopes; the pull plate is pulled up and down to change the area of the climbing plate so as to adapt to different stair heights; the damping device is used for reducing the vibration of the trolley case moving on the stairs.
2. The invention relates to a draw-bar box convenient to pull, wherein an anti-skid unit comprises a bidirectional screw rod, a sliding block, a sliding rail, a connecting seat, a connecting rod and an anti-skid module; the bidirectional screw rod drives the sliding block to move through the connecting rod; the sliding block is arranged on the sliding rail and drives the anti-sliding module to move; the anti-slip module is used for supporting the draw-bar box, so that the draw-bar box is not easy to topple over when moving, and meanwhile, the anti-slip module also has a damping effect, so that the stability of the draw-bar box is further improved.
3. According to the draw-bar box convenient to pull, the pneumatic spring is used for supporting the first rotating shaft and the second rotating shaft, so that a proper distance is kept between the first rotating shaft and the second rotating shaft; the pneumatic spring also has a damping effect; the tensioning spring is used for tensioning the first rotating shaft to enable the first rotating shaft to be vertical to the surface of the box body; the tensioning spring may serve to further dampen vibrations.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a right side view of the present invention;
FIG. 2 is a front view of the antiskid unit of the present invention;
FIG. 3 is a left side view of the antiskid unit of the present invention;
in the figure: the device comprises a box body 1, a pull rod 2, a controller 3, universal wheels 4, a climbing unit 5, an anti-skid unit 6, a cuboid installation groove 7, a climbing plate 51, a pull plate 52, a stair slide plate 53, a damping device 54, a telescopic element 55, a fixing rod 56, a fixing block 57, a bidirectional screw rod 61, a sliding block 62, a sliding rail 63, a connecting seat 64, a connecting rod 65, an anti-skid module 66, a fixing seat 67, a push rod 68, an upper supporting seat 611, a lower supporting seat 612, a motor 613, a forward rotation sliding block 614, a backward rotation sliding block 615, a first rotating shaft 661, a second rotating shaft 662, a tensioning spring 663, a pneumatic spring 664 and a buckle 8.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, the draw-bar box convenient to pull according to the present invention comprises a box body 1, a draw bar 2, a controller 3, universal wheels 4, a climbing unit 5 and an anti-skid unit 6; a pull rod 2 and a controller 3 are arranged above the box body 1, universal wheels 4 are arranged below the box body 1, a climbing unit 5 and an anti-skidding unit 6 are connected to the left side of the box body 1, and a cuboid mounting groove 7 is formed in the left side of the box body 1; the pull rod 2 is located on the left side of the controller 3.
The climbing unit 5 is positioned on the left side of the anti-skid unit 6; the climbing unit 5 comprises a climbing plate 51, a pull plate 52, a stair sliding plate 53, a damping device 54, a telescopic element 55, a fixed rod 56 and a fixed block 57; the climbing plate 51 is arranged on the left surface of the pull plate 52, the right side of the pull plate 52 is connected with a stair sliding plate 53, the pull plate 52 can be pulled on the stair sliding plate 53, the area of the climbing plate 51 can be changed by pulling the pull plate 52 up and down, and the climbing plate 51 can adjust the length of the climbing plate according to different stair step heights; the damping device 54 is connected to the upper right of the stair sliding plate 53, and the damping device 54 is used for reducing the vibration of the climbing plate 51 to the box body 1 when climbing; the right end of the damping device 54 is connected with a telescopic element 55, and the telescopic element 55 is used for pushing the climbing unit 5; the cuboid mounting groove 7 is used for mounting a telescopic element 55; the right lower part of the stair sliding plate 53 is hinged with a fixed rod 56, the right end of the fixed rod 56 is connected with a fixed block 57, and the fixed block 57 is arranged on the inner surface of the box body 1; the upper end of the climbing unit 5 is pushed by the telescopic element 55, and the lower end position of the climbing plate 51 is kept unchanged, so that the climbing unit 5 can be applied to different slopes.
The anti-skid unit 6 comprises a bidirectional screw rod 61, a sliding block 62, a sliding rail 63, a connecting seat 64, a connecting rod 65 and an anti-skid module 66; the bidirectional screw 61 comprises an upper support seat 611, a lower support seat 612, a motor 613, a forward rotation slider 614 and a backward rotation slider 615, the upper support seat 611 and the lower support seat 612 are mounted on the left side surface of the box body 1, the motor 613 is located above the upper support seat 611, and the motor 613 is used for the forward rotation slider 614 and the backward rotation slider 615 to move reversely on the bidirectional screw 61; the forward rotation sliding block 614 and the reverse rotation sliding block 615 are hinged with the connecting rod 65 respectively, and the connecting rod 65 is hinged with the connecting seat 64; the connecting seat 64 is connected with the sliding block 62 through a pushing rod 68; the sliding block 62 is arranged on the sliding rail 63, the left end face of the sliding block 62 is connected with a fixed seat 67 through a push rod 68, and an anti-sliding module 66 is hinged on the fixed seat 67; the slide rail 63 and the fixed seat 67 are both arranged on the left side surface of the box body 1; the anti-slip module 66 includes a first rotating shaft 661, a second rotating shaft 662, and a universal wheel 4; the first rotating shaft 661 and the sliding block 62 are connected through a tension spring 663, the first rotating shaft 661 and the second rotating shaft 662 are connected together through a hinge, a pneumatic spring 664 is connected between the first rotating shaft 661 and the second rotating shaft 662, and a universal wheel 4 is connected below the second rotating shaft 662; a buckle 8 is arranged on the left side surface of the box body 1; the catch 8 is used to stow the anti-slip module 66.
In the climbing unit 5, the climbing plate 51 is made of wear-resistant material, and the climbing plate 51 can also be provided with rollers; the climbing unit 5 is used for facilitating climbing or stair climbing of the draw-bar box. When the draw-bar box is used for climbing stairs, the climbing unit 5 is made of wear-resistant materials, so that the abrasion of the climbing plate 51 is reduced, and the service life of the draw-bar box is prolonged; the rollers arranged on the climbing plate 51 are beneficial to reducing the friction between the climbing plate 51 and the stairs and the pull rod box is beneficial to pulling between the steps of the stairs.
The damping device 54 comprises a damping telescopic rod and a spring, and the spring is arranged on the outer layer of the damping telescopic rod; the damping device 54 is used for reducing the vibration of the draw-bar box when climbing stairs; the pull plate 52 is used for stretching the climbing plate 51 up and down, so that the climbing plate 51 is suitable for different stair step heights. When the stair climbing device works, the ramp plate 51 can adapt to the height of the stair steps by adjusting the pull plate 52 according to the height of the stair steps; when the trolley case is pulled to climb the stairs, the stairs can also impact the climbing plate 51, and at the moment, the shock absorption device 54 can reduce the shock of the climbing plate 51 to the case body 1; at the same time, the damping device 54 also serves to make the climbing plate 51 more closely fit to the stairs during movement.
The pneumatic spring 664 serves to support the first and second rotating shafts 661 and 662 such that an appropriate distance is maintained between the first and second rotating shafts 661 and 662; the pneumatic spring 664 also has a damping function; the tensioning spring 663 is used for tensioning the first rotating shaft 661 so that the first rotating shaft 661 is perpendicular to the surface of the case 1; the tension spring 663 can play a role in further shock absorption.
The telescopic element 55 may be one of an electric push rod and a pneumatic telescopic rod; the pneumatic telescopic rod opens the cylinder valve through the controller 3, the length of the telescopic rod is manually adjusted, and then the cylinder valve is closed through the controller; the electric push rod can be controlled to work through the controller 3 by installing a battery.
The cross section of the climbing plate 51 is arc-shaped and is used for avoiding the trolley case from colliding with the corner of the stairs when being pulled on the stairs.
When the trolley is in work, under the condition of pulling on a straight road surface, the tensioning spring 663 contracts to drive the first rotating shaft 661 to move towards the direction vertical to the left side surface of the box body 1 by unfastening the buckle 8 of the trolley box; meanwhile, the pneumatic spring 664 supports the first rotating shaft 661 and the second rotating shaft 662, then the motor 613 is rotated forward through the switch, at this time, the forward rotation slider 614 and the reverse rotation slider 615 are drawn together towards the middle to drive the connecting rod 65 to move, the connecting rod 65 pushes the connecting seat 64 to move towards two sides of the box body 1, meanwhile, the connecting seat 64 pushes the sliding block 62 to move towards two sides of the box body 1 on the sliding rail 63, and the sliding block 62 pushes the anti-sliding module 66 to move towards two sides of the box body 1; the anti-slip modules 66 on the left and right sides are controlled to be respectively positioned outside the left end surface and the right end surface of the box body 1 by the forward rotation of the motor 613; at this time, the two universal wheels 4 at the bottom of the draw-bar box and the two universal wheels 4 in the anti-slip module 66 are simultaneously contacted with the ground, and the distance between the universal wheels 4 in the anti-slip module 66 is larger than the distance between the two universal wheels 4 at the bottom of the draw-bar box. When the universal wheels 4 of the draw-bar box meet pits or bulges on the road surface, three universal wheels 4 can be ensured to be always in contact with the ground, so that the stability of the draw-bar box during movement is effectively ensured; when the draw-bar box is not used, the switch control motor 613 reversely rotates, the forward rotation sliding block 614 and the reverse rotation sliding block 615 on the screw rod move towards two ends, the connecting seat 64 is driven to be drawn towards the middle through the connecting rod 65, the connecting seat 64 drives the anti-sliding module 66 to be drawn towards the middle through the sliding block 62, the first rotating shaft 661 and the second rotating shaft 662 are manually tightened at the moment, the first rotating shaft 661 and the second rotating shaft 662 are drawn towards the middle, then the first rotating shaft is rotated upwards, and the first rotating shaft and the second rotating shaft are buckled by the buckle 8.
When meeting stairs or being provided with slopes beside the stairs; the controller 3 can make the telescopic element 55 push the stair sliding plate 53 to incline, and the inclination of the stair sliding plate 53 can be adjusted according to the inclination of the stair; the area of the climbing plate 51 can be increased by pulling the pull plate 52 up and down, and the area of the climbing plate 51 can be selected according to the height of the stair. When the draw-bar box moves on a slope, the climbing plate 51 is attached to the slope, so that the draw-bar box is not easy to shake left and right in the pulling process, and the stability of the draw-bar box during climbing the slope is enhanced; meanwhile, the shock absorption device 54 on the right side of the stair sliding plate 53 can reduce the shock of the stair sliding plate 53 to the box body 1 in the pulling process; when the draw-bar box moves on the stairs, the gradient of the climbing plate 51 is superposed with the gradient of the stairs, so that the impact between the draw-bar box and the corners of the stairs in the pulling process is avoided, the draw-bar box can be dragged on the stairs more conveniently, the collision between the upper end of the climbing plate 51 and the corners of the stairs in the moving process is avoided by the elliptic arc-shaped curved surface of the climbing plate 51, and meanwhile, the vibration of the stair sliding plate 53 to the box body 1 in the pulling process can be reduced by the damping device 54 on the right side of the stair sliding plate 53; when the draw-bar box is not used, the pull-out plate 52 is manually drawn close and contracted by the telescopic element 55 of the controller 3, so that the stair slide plate 53 is driven to return to the original position.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a draw-bar box convenient to pulling which characterized in that: comprises a box body (1), a pull rod (2), a controller (3), universal wheels (4), a climbing unit (5) and an anti-skid unit (6); a pull rod (2) and a controller (3) are arranged above the box body (1), universal wheels (4) are arranged below the box body (1), a climbing unit (5) and an anti-skidding unit (6) are connected to the left side of the box body (1), and a rectangular installation groove (7) is formed in the left side of the box body (1); the pull rod (2) is positioned on the left side of the controller (3); the climbing unit (5) is positioned on the left side of the anti-skid unit (6); wherein,
the climbing unit (5) comprises a climbing plate (51), a drawing plate (52), a stair sliding plate (53), a vibration damper (54), a telescopic element (55), a fixed rod (56) and a fixed block (57); the climbing plate (51) is arranged on the left surface of the drawing plate (52), the right side of the drawing plate (52) is connected with a stair sliding plate (53), the drawing plate (52) can be drawn on the stair sliding plate (53), the upper right side of the stair sliding plate (53) is connected with a vibration damping device (54), and the right end of the vibration damping device (54) is connected with a telescopic element (55); the cuboid mounting groove (7) is used for mounting a telescopic element (55); the right lower part of the stair sliding plate (53) is hinged with a fixed rod (56), the right end of the fixed rod (56) is connected with a fixed block (57), and the fixed block (57) is installed on the inner surface of the box body (1); the climbing unit (5) is used for enabling the draw-bar box to climb a slope or climb a stair conveniently, and a buckle (8) is arranged on the left side surface of the box body (1); the buckle (8) is used for retracting the anti-slip module (66).
2. The draw-bar box of claim 1, wherein: the anti-skid unit (6) comprises a bidirectional screw rod (61), a sliding block (62), a sliding rail (63), a connecting seat (64), a connecting rod (65) and an anti-skid module (66); the bidirectional screw rod (61) comprises an upper supporting seat (611), a lower supporting seat (612), a motor (613), a forward-rotation sliding block (614) and a backward-rotation sliding block (615), the upper supporting seat (611) and the lower supporting seat (612) are installed on the left side surface of the box body (1), the motor (613) is located above the upper supporting seat (611), the forward-rotation sliding block (614) and the backward-rotation sliding block (615) are respectively hinged with a connecting rod (65), and the connecting rod (65) is hinged with the connecting seat (64); the connecting seat (64) is connected with the sliding block (62) through a push rod (68); the sliding block (62) is arranged on the sliding rail (63), the left end face of the sliding block (62) is connected with a fixed seat (67) through a push rod (68), and an anti-sliding module (66) is hinged to the fixed seat (67); the sliding rail (63) and the fixed seat (67) are both arranged on the left side surface of the box body (1); the anti-slip module (66) comprises a first rotating shaft (661), a second rotating shaft (662) and universal wheels (4); first axis of rotation (661) and sliding block (62) between link to each other through taut spring (663), and first axis of rotation (661) and second axis of rotation (662) link together through articulated, are connected with pneumatic spring (664) between first axis of rotation (661) and second axis of rotation (662), are connected with universal wheel (4) below second axis of rotation (662).
3. The draw-bar box of claim 1, wherein: in the climbing unit (5), the climbing plate (51) is made of wear-resistant rubber materials, and the roller is installed on the climbing plate (51).
4. A draw-bar box for easy pulling according to claim 2, wherein: the damping device (54) comprises a damping telescopic rod and a spring, and the spring is arranged on the outer layer of the damping telescopic rod; the vibration damper (54) is used for reducing the vibration of the draw-bar box when climbing stairs; the pull plate (52) is used for stretching the climbing plate (51) up and down, so that the climbing plate (51) is suitable for different stair step heights.
5. The draw-bar box of claim 1, wherein: the telescopic element (55) is one of a pneumatically telescopic rod and an electrically driven push rod.
6. The draw-bar box of claim 1, wherein: the cross section of the climbing plate (51) is arc-shaped and is used for avoiding the trolley case from colliding with the corner of the stair when being pulled on the stair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710992709.8A CN107594816B (en) | 2017-10-23 | 2017-10-23 | Method for improving damping performance of draw-bar box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710992709.8A CN107594816B (en) | 2017-10-23 | 2017-10-23 | Method for improving damping performance of draw-bar box |
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| Publication Number | Publication Date |
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| CN107594816A true CN107594816A (en) | 2018-01-19 |
| CN107594816B CN107594816B (en) | 2022-06-10 |
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| CN201710992709.8A Active CN107594816B (en) | 2017-10-23 | 2017-10-23 | Method for improving damping performance of draw-bar box |
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| CN108851429A (en) * | 2018-07-04 | 2018-11-23 | 浙江御匠箱包有限公司 | A kind of telescopic sled mechanism for trolley case |
| CN108887832A (en) * | 2018-07-04 | 2018-11-27 | 浙江御匠箱包有限公司 | A kind of trolley case with sled mechanism |
| CN109530616A (en) * | 2018-12-26 | 2019-03-29 | 广东富华铸锻有限公司 | A kind of internal core-pulling mechanism and cold box die |
| CN109645639A (en) * | 2019-01-09 | 2019-04-19 | 朱鑫雨 | A kind of luggage case of climbing stairs |
| CN110522148A (en) * | 2019-09-29 | 2019-12-03 | 安徽信息工程学院 | A bulky suitcase for easy stair movement |
| CN110934398A (en) * | 2019-12-24 | 2020-03-31 | 泉州沃快箱包有限公司 | A large suitcase that is easy to move on stairs |
| CN113499875A (en) * | 2021-07-23 | 2021-10-15 | 枣庄矿业(集团)济宁七五煤业有限公司 | Underground emulsion paint spraying device |
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| CN108887832A (en) * | 2018-07-04 | 2018-11-27 | 浙江御匠箱包有限公司 | A kind of trolley case with sled mechanism |
| CN109530616A (en) * | 2018-12-26 | 2019-03-29 | 广东富华铸锻有限公司 | A kind of internal core-pulling mechanism and cold box die |
| CN109645639A (en) * | 2019-01-09 | 2019-04-19 | 朱鑫雨 | A kind of luggage case of climbing stairs |
| CN110522148A (en) * | 2019-09-29 | 2019-12-03 | 安徽信息工程学院 | A bulky suitcase for easy stair movement |
| CN110934398A (en) * | 2019-12-24 | 2020-03-31 | 泉州沃快箱包有限公司 | A large suitcase that is easy to move on stairs |
| CN113499875A (en) * | 2021-07-23 | 2021-10-15 | 枣庄矿业(集团)济宁七五煤业有限公司 | Underground emulsion paint spraying device |
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