CN203646668U - Draw-bar box capable of climbing staircase - Google Patents
Draw-bar box capable of climbing staircase Download PDFInfo
- Publication number
- CN203646668U CN203646668U CN201320850811.1U CN201320850811U CN203646668U CN 203646668 U CN203646668 U CN 203646668U CN 201320850811 U CN201320850811 U CN 201320850811U CN 203646668 U CN203646668 U CN 203646668U
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- China
- Prior art keywords
- bar
- wheel
- casing
- turning cylinder
- ratchet
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Abstract
The utility model belongs to the field of draw-bar boxes, and particularly relates to a draw-bar box capable of climbing a staircase. The draw-bar box capable of climbing the staircase comprises a box body, a draw bar, a monowheel bar mechanism and a multiwheel bar mechanism, wherein the draw bar is arranged at the top of the box body, the monowheel bar mechanism is arranged on the back side of the box body and connected with the box body through a first rotating shaft in a rotating manner, the multiwheel bar mechanism is connected with the box body through a second rotating shaft in a rotating manner, a first included angle between the opened monowheel bar mechanism and the box body is greater than a second included angle between the opened multiwheel bar mechanism and the box body, and the first rotating shaft is lower than the second rotating shaft. According to the technical scheme, and by matching a multiwheel bar with a monowheel bar, the contact points of the box body and the staircase can be increased, the included angle between the box body and the staircase can be changed, so that the box body can more easily go upstairs, the box can be more easily transported under different situations through different combinations of the multiwheel bar and the monowheel bar, the transportation shaking of the box body can be reduced through a telescopic buffer bar, so as to protect articles in the draw-bar box.
Description
Technical field
The utility model belongs to draw-bar box field, is specifically related to a kind of stair-climbing draw-bar box.
Background technology
Draw-bar box is that a kind of bottom is provided with wheel, and with the chest of telescopic bar, for traveller, this chest is easy to carry, very labour-saving delivery article.But this chest is only suitable for moving on level land, if run into stair, need to mention or pull on pull bar downstairs, and directly remove on chest as broad as longly downstairs, but also easily cause the infringement of pull bar and wheel.
For this problem, some people has proposed, at chest back, crawler belt is set, and in order to auxiliary downstairs upper, crawler belt material is generally rubber, and in stair climbing, rubber and stair have very large friction, in the time of stair climbing, need to take very large strength.
Utility model content
Technical problem to be solved in the utility model is that current draw-bar box is relatively required great effort upstairs, in order to overcome above deficiency, provides a kind of stair-climbing draw-bar box.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: described stair-climbing draw-bar box, comprise casing, be arranged on casing top pull bar, be arranged on the single-wheel wheel linkage that box back surface and casing be rotationally connected with the first turning cylinder and the many wheels wheel linkages that are rotationally connected with the second turning cylinder, the second angle when the first angle when described single-wheel wheel linkage is opened and between casing is opened than described many wheel linkages and between casing is large, and the first turning cylinder is lower than the second turning cylinder.
Preferably, described single-wheel wheel linkage comprises single-wheel bar, is arranged on the single-wheel of single-wheel bar bottom, is arranged on the limited block on single-wheel bar top and the first turning cylinder being connected with casing, described the first turning cylinder is ratchet mechanism, described limited block is along with single-wheel bar is outwarded winding and relied on casing, the control maximum angle of outwarding winding, described ratchet mechanism keeps the angle of outwarding winding between single-wheel bar and casing.
Preferably, described ratchet mechanism comprises the rotating shaft being fixed on single-wheel bar, be set in rotating shaft and be fixed on the ratchet on casing, be stuck in the ratchet in ratchet, the pivoted arm being rotationally connected with ratchet, be arranged on the reset key on single-wheel bar, connect steel wire and first spring of reset key and pivoted arm, described first spring one end is fixed on single-wheel bar, the other end is connected at pivoted arm the first tie point with pivoted arm, described pivoted arm and single-wheel bar are rotationally connected at the second tie point, the second spring is set between described ratchet and pivoted arm, in the time that single-wheel bar forwards maximum to, single-wheel bar is stuck in ratchet because of ratchet, stressedly can not circle round.
Preferably, described single-wheel bar is elastic telescopic buffer bar.
Preferably, described many wheel wheel linkages comprise many wheels bar of being rotationally connected with the second turning cylinder and casing, are arranged side by side four son wheels on many wheel bars and control the position-limit mechanisms of taking turns the angle of outwarding winding between bars and casing more from top to bottom.
Preferably, described position-limit mechanism comprises the T-shaped groove being arranged on many wheel bars and the support bar be arrangeding in parallel with many wheels bar, the bottom of described support bar is provided with the guide post vertical with support bar, described supporting bar top and casing are rotationally connected with the 3rd turning cylinder, described the 3rd turning cylinder is between the second turning cylinder and the peak of T-shaped groove, described guide post can move up and down in T-shaped groove, on described guide post, be arranged with the geosynclinal block matching with T-shaped groove upper end horizontal segment, between described geosynclinal block and support bar, be provided with the 3rd spring, to take turns bar while pulling out from casing more, geosynclinal block is crushed between many wheel bars and support bar, guide post is along moving on vertical section of T-shaped groove, in the time that guide post arrives T-shaped groove horizontal segment, geosynclinal block under the 3rd spring action ejecting card in T-shaped groove horizontal segment, the angle of outwarding winding between many wheel bars and casing is controlled, need to close many wheel bars time, geosynclinal block is pressed between many wheel bars and support bar, guide post can move down along vertical section of T-shaped groove, rotate many wheel bars.
Preferably, described support bar is elastic telescopic buffer bar.
Preferably, described the second turning cylinder is ratchet mechanism.
The technical scheme that the utility model provides coordinates with single-wheel bar by many wheel bars; increase the contact point of casing and stair; and change the angle between casing and stair; make casing more laborsaving upstairs; and it is all more laborsaving by many wheels bar and single-wheel bar various combination, chest to be transported under different situations; the vibrations of casing when telescopic buffer bar can alleviate transportation, protection article wherein.
Accompanying drawing explanation
Fig. 1 is the structural representation of stair-climbing draw-bar box one specific embodiment described in the utility model;
Fig. 2 is the structural representation of single-wheel wheel linkage described in the utility model one specific embodiment;
Fig. 3 is the structural representation of many wheel wheel linkages described in the utility model one specific embodiment;
Fig. 4 is position-limit mechanism enlarged drawing described in A portion in Fig. 1;
Fig. 5 is the set-up mode schematic diagram of geosynclinal block in Fig. 4;
Fig. 6 is the structural representation of ratchet mechanism one specific embodiment described in the utility model;
Fig. 7 is the structural representation of elastic telescopic buffer bar one specific embodiment described in the utility model;
Fig. 8 a is that described stair-climbing draw-bar box keeps flat use state diagram;
Fig. 8 b is that described stair-climbing draw-bar box level land is used state diagram;
Fig. 8 c is that described stair-climbing draw-bar box is climbed building use state diagram.
Shown in figure:
1-casing, 11-the first groove, 12-the second groove, 2-pull bar, 31-the first turning cylinder, 311-rotating shaft, 312-ratchet, 313-ratchet, 314-pivoted arm, 315-reset key, 316-steel wire, 317-the first spring, 318-the first tie point, 319-the second tie point, 320-the second spring, 32-the second turning cylinder, 33-the 3rd turning cylinder, 4-single-wheel wheel linkage, 41-single-wheel bar, 411-entity bar, 412-hollow stem, 413-the 4th spring, 42-single-wheel, 43-limited block, 5-takes turns wheel linkage more, 51-takes turns bar more, 52-wheel, 531-T type groove, 532-support bar, 533-guide post, 534-geosynclinal block, 535-the 3rd spring, 61-the first angle, 62-the second angle.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail:
As shown in Figure 1, stair-climbing draw-bar box described in the utility model, comprise casing 1, be arranged on casing 1 top pull bar 2, be arranged on a pair of single-wheel wheel linkage 4 that casing 1 back side and casing 1 be rotationally connected with the first turning cylinder 31 and the one-to-many wheel wheel linkage 5 being rotationally connected with the second turning cylinder 32, described a pair of single-wheel wheel linkage 4 is arranged on one-to-many wheel wheel linkage 5 outsides, and described casing 1 back side is provided with the first groove 11 matching with single-wheel wheel linkage 4 and the second groove 12 matching with many wheel wheel linkages 5.The second angle 62 when the first angle 61 when described single-wheel wheel linkage 4 is opened and between casing 1 is opened than described many wheel linkages 5 and between casing 1 is large, and the first turning cylinder 31 is lower than the second turning cylinder 32.
As shown in Figure 2, described single-wheel wheel linkage 4 comprises single-wheel bar 41, is arranged on the single-wheel 42 of single-wheel bar 41 bottoms, is arranged on the limited block 43 on single-wheel bar 41 tops and the first turning cylinder 31 being connected with casing 1, described single-wheel bar 41 is elastic telescopic buffer bar, described the first turning cylinder 31 is ratchet mechanism, described limited block 43, along with single-wheel bar 41 is outwarded winding and relied on casing 1, is controlled the maximum angle of outwarding winding.
As shown in Figure 3, described many wheel wheel linkages 5 comprise many wheels bar 51 of being rotationally connected with the second turning cylinder 32 and casing 1, are arranged side by side four son wheels 52 on many wheel bars 51 and control the position-limit mechanisms of taking turns the angle of outwarding winding between bars 51 and casing 1 more from top to bottom, and described the second turning cylinder 32 is ratchet mechanism.
As shown in Figure 4, described position-limit mechanism comprises the T-shaped groove 531 being arranged on many wheel bars 51 and the support bar 532 be arrangeding in parallel with many wheels bar 51, described support bar 532 is elastic telescopic buffer bar, the bottom of described support bar 532 is provided with the guide post vertical with support bar 532 533, described support bar 532 tops and casing 1 are rotationally connected with the 3rd turning cylinder 33, described the 3rd turning cylinder 33 is between the second turning cylinder 32 and the peak of T-shaped groove 531, as shown in Figure 5, described guide post 533 can move up and down in T-shaped groove 531, on described guide post 533, be arranged with the geosynclinal block 534 matching with T-shaped groove 531 upper end horizontal segments, between described geosynclinal block 534 and support bar 532, be provided with the 3rd spring 535, to take turns bar 51 while pulling out from casing 1 more, geosynclinal block 534 is crushed between many wheel bars 51 and support bar 532, guide post 533 is along moving on vertical section of T-shaped groove 531, in the time that guide post 533 arrives T-shaped groove 531 horizontal segment, geosynclinal block 534 under the 3rd spring 535 effect ejecting card in T-shaped groove 531 horizontal segments, because the distance of the second turning cylinder 32 and the 3rd turning cylinder 33 is fixed, the second turning cylinder 32 to the distance of geosynclinal block 534 fix and the 3rd rotate 33 axles fix to the distance of geosynclinal block 534, support bar 532, many wheel bars 51 are fixed with the triangle that casing 1 forms, thereby the angle of outwarding winding is fixed, need to close many wheel bars 51 time, geosynclinal block 534 is pressed between many wheel bars 51 and support bar 532, guide post 533 can move down along vertical section of T-shaped groove 531, rotate many wheel bars 51.
Take the first turning cylinder 31 as example, as shown in Figure 6, described ratchet mechanism comprises the rotating shaft 311 being fixed on single-wheel bar 31, be set in rotating shaft 311 and be fixed on the ratchet 312 on casing, be stuck in the ratchet 313 in ratchet 312, the pivoted arm 314 being rotationally connected with ratchet 313, be arranged on the reset key 315 on single-wheel bar 41, connect steel wire 316 and first spring 317 of reset key 315 and pivoted arm 314, the left end of described the first spring 317 is fixed on single-wheel bar 41, right-hand member is connected at pivoted arm the first tie point 318 with pivoted arm 314, described pivoted arm 314 is rotationally connected at the second tie point 319 with single-wheel bar 41, the second spring 320 is set between described ratchet 313 and pivoted arm 314.The second turning cylinder 32 is similar with it, does not repeat them here.Shown in the course of work of ratchet mechanism as follows: as shown in Figure 6, in the time that single-wheel bar 41 clockwise rotates, namely by single-wheel bar 41 from the interior pull-out of the first groove 11, ratchet 313 can not blocked by ratchet 312, limited block 43 limits the maximum angle that single-wheel bar 41 is opened, and now single-wheel bar 41 is stressed while rotating counterclockwise, presses because pivoted arm 314 is subject to the restoring force traction of the first spring 317 and the top of the second spring 320, ratchet 313 is firmly stuck in ratchet 312, therefore stressedly can not circle round; In the time that needs close single-wheel bar 41, press reset key 315, steel wire 316 is pullled pivoted arm 314 and is rotated counterclockwise, with pivoted arm 314 be rotationally connected ratchet 313 skid off ratchet 312, single-wheel bar 41 can be rotated counterclockwise smoothly.
Take single-wheel bar 41 as example, as described in Figure 7, described elastic telescopic buffer bar comprises entity 411, is set in the hollow stem 412 outside entity bar 411 and is arranged on entity bar 411 the 4th spring 413 between hollow stem 412.
The course of work of described stair-climbing draw-bar box is as follows:
While keeping flat, as shown in Figure 8 a, single-wheel is taken turns to linkage 4 and proceed in the first groove 11, will take turns wheel linkage 5 more and proceed in the second groove 12; When level land is used, as shown in Figure 8 b, will take turns wheel linkage 5 more and pull open, can more common draw-bar box more laborsaving; , as shown in Figure 8 c, will take turns wheel linkage 5 and single-wheel wheel linkage 4 more and all pull open, stairs easily when in Dang Pa the building.
Claims (8)
1. a stair-climbing draw-bar box, it is characterized in that, comprise casing, be arranged on casing top pull bar, be arranged on the single-wheel wheel linkage that box back surface and casing be rotationally connected with the first turning cylinder and the many wheels wheel linkages that are rotationally connected with the second turning cylinder, the second angle when the first angle when described single-wheel wheel linkage is opened and between casing is opened than described many wheel linkages and between casing is large, and the first turning cylinder is lower than the second turning cylinder.
2. a kind of stair-climbing draw-bar box according to claim 1, it is characterized in that, described single-wheel wheel linkage comprises single-wheel bar, is arranged on the single-wheel of single-wheel bar bottom, is arranged on the limited block on single-wheel bar top and the first turning cylinder being connected with casing, described the first turning cylinder is ratchet mechanism, described limited block is along with single-wheel bar is outwarded winding and relied on casing, the control maximum angle of outwarding winding, described ratchet mechanism keeps the angle of outwarding winding between single-wheel bar and casing.
3. a kind of stair-climbing draw-bar box according to claim 2, it is characterized in that, described ratchet mechanism comprises the rotating shaft being fixed on single-wheel bar, be set in rotating shaft and be fixed on the ratchet on casing, be stuck in the ratchet in ratchet, the pivoted arm being rotationally connected with ratchet, be arranged on the reset key on single-wheel bar, connect steel wire and first spring of reset key and pivoted arm, described first spring one end is fixed on single-wheel bar, the other end is connected at pivoted arm the first tie point with pivoted arm, described pivoted arm and single-wheel bar are rotationally connected at the second tie point, the second spring is set between described ratchet and pivoted arm, in the time that single-wheel bar forwards maximum to, single-wheel bar is stuck in ratchet because of ratchet, stressedly can not circle round.
4. a kind of stair-climbing draw-bar box according to claim 2, is characterized in that, described single-wheel bar is elastic telescopic buffer bar.
5. a kind of stair-climbing draw-bar box according to claim 1, it is characterized in that, described many wheel wheel linkages comprise many wheels bar of being rotationally connected with the second turning cylinder and casing, are arranged side by side four son wheels on many wheel bars and control the position-limit mechanisms of taking turns the angle of outwarding winding between bars and casing more from top to bottom.
6. a kind of stair-climbing draw-bar box according to claim 5, it is characterized in that, described position-limit mechanism comprises the T-shaped groove being arranged on many wheel bars and the support bar be arrangeding in parallel with many wheels bar, the bottom of described support bar is provided with the guide post vertical with support bar, described supporting bar top and casing are rotationally connected with the 3rd turning cylinder, described the 3rd turning cylinder is between the second turning cylinder and the peak of T-shaped groove, described guide post can move up and down in T-shaped groove, on described guide post, be arranged with the geosynclinal block matching with T-shaped groove upper end horizontal segment, between described geosynclinal block and support bar, be provided with the 3rd spring, to take turns bar while pulling out from casing more, geosynclinal block is crushed between many wheel bars and support bar, guide post is along moving on vertical section of T-shaped groove, in the time that guide post arrives T-shaped groove horizontal segment, geosynclinal block under the 3rd spring action ejecting card in T-shaped groove horizontal segment, the angle of outwarding winding between many wheel bars and casing is controlled, need to close many wheel bars time, geosynclinal block is pressed between many wheel bars and support bar, guide post can move down along vertical section of T-shaped groove, rotate many wheel bars.
7. a kind of stair-climbing draw-bar box according to claim 6, is characterized in that, described support bar is elastic telescopic buffer bar.
8. a kind of stair-climbing draw-bar box according to claim 5, is characterized in that, described the second turning cylinder is ratchet mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320850811.1U CN203646668U (en) | 2013-12-20 | 2013-12-20 | Draw-bar box capable of climbing staircase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320850811.1U CN203646668U (en) | 2013-12-20 | 2013-12-20 | Draw-bar box capable of climbing staircase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203646668U true CN203646668U (en) | 2014-06-18 |
Family
ID=50913119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320850811.1U Expired - Fee Related CN203646668U (en) | 2013-12-20 | 2013-12-20 | Draw-bar box capable of climbing staircase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203646668U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105747434A (en) * | 2016-05-13 | 2016-07-13 | 宁波超速达通讯科技有限公司 | Draw-bar luggage box |
| CN107594817A (en) * | 2017-10-24 | 2018-01-19 | 南京工程学院 | Multifucntional draw-bar box |
-
2013
- 2013-12-20 CN CN201320850811.1U patent/CN203646668U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105747434A (en) * | 2016-05-13 | 2016-07-13 | 宁波超速达通讯科技有限公司 | Draw-bar luggage box |
| CN107594817A (en) * | 2017-10-24 | 2018-01-19 | 南京工程学院 | Multifucntional draw-bar box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20161220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |