CN205512936U - Draw -bar box - Google Patents
Draw -bar box Download PDFInfo
- Publication number
- CN205512936U CN205512936U CN201620152399.XU CN201620152399U CN205512936U CN 205512936 U CN205512936 U CN 205512936U CN 201620152399 U CN201620152399 U CN 201620152399U CN 205512936 U CN205512936 U CN 205512936U
- Authority
- CN
- China
- Prior art keywords
- expansion link
- draw
- bar box
- cross
- rods
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a draw -bar box, including box, pull rod and pulley gear, the pulley gear includes the cross, and four end movable mounting of this cross have four telescopic links, and the other end fixed mounting of telescopic link has the pulley. With the limitation that reduces draw -bar box, make draw -bar box need not lift when walk up and down stairs upstairs.
Description
Technical field
Originally belong to case field, be specifically related to a kind of draw-bar box.
Background technology
Some people often gone away usually have such worry: when you haul draw-bar box walk the Line time, jolting of road often makes your draw-bar box produce violent vibrations.Valuables are caused to damage.When you hold your draw-bar box walk stair time, generally require and carry it and climb up, i.e. time-consuming effort again.In view of this, existing draw-bar box is improved by the applicant, proposes the draw-bar box of a kind of energy " stair climbing ", and this case thus produces.
Utility model content
The purpose of this utility model is to provide a kind of draw-bar box, to reduce the limitation of draw-bar box, makes draw-bar box need not lift upstairs when stair activity.
For achieving the above object, the technical scheme that this utility model specifically provides is: a kind of draw-bar box, and including casing, pull bar and pulley gear, described pulley gear includes cross, four ends of this cross are movably installed with four expansion links, and the other end of expansion link is installed with pulley.
Further, described expansion link is by hydraulic control: cross and expansion link junction are provided with spring, and expansion link can be held out against and be in compressive state by spring；Described expansion link can make spring-compressed by hydraulic action.
Further, described expansion link is controlled by connecting rod: being provided with four shrinking connecting-rods that can be converted into two sections in described cross, one end of four shrinking connecting-rods is connected with expansion link, and the other end is connected with worm screw by turbine；
Further, described adjacent two shrinking connecting-rods connect by connecting connecting rod.
This utility model is to realize the control to expansion link by two ways, one is hydraulic drive, specific works principle is: can press the switch on the pull bar of luggage case when luggage case needs to go upstairs, motor is just started working, oil suction from fuel tank, expansion link extrusion being gone by the pressure of fluid, then wheel just expands.
Number of times owing to going upstairs with luggage case in life is less, and the time is shorter, and i.e. to be in time of elongation state shorter for expansion link.So I design be when luggage case is gone upstairs, motor is working always, but now fluid is upwards being arranged always, and hydraulic pressure is increasing always.May cause mechanism collapse, so I has filled an overflow valve at Far Left, when the pressure of fluid is excessive, unnecessary fluid will flow back to fuel tank by overflow valve.
When after upper complete stair, again press switch.The power supply of motor will disconnect, and the state of reversal valve changes.
Hydraulic drive has the advantage that 1, hydraulicdriven various elements, can arrange the most easily and flexibly.2, lightweight, volume is little, motional inertia is little, response speed is fast.3, handle easy to control, large-scale stepless speed regulation (speed adjustable range reaches 2000:1) can be realized.4, overload protection can be automatically obtained.5, general use mineral oil as working media, relative motion face can lubricating by oneself, service life is long.6, it is easily achieved linear motion.7, be easily achieved the automatization of machine, when use electro-hydraulic jointly control after, not only can realize the automatic control process of higher degree, and remote control can be realized.
One is machine driving, and specific works principle is: can press the switch on the pull bar of luggage case when luggage case needs to go upstairs.Motor is just started working, drive shrinking connecting-rod take advantage of a situation pin rotate.It is connected owing to there being one to connect connecting rod between each shrinking connecting-rod, so motor has only to drive a shrinking connecting-rod to turn clockwise, all shrinking connecting-rods will be driven to turn clockwise.Expansion link extrusion being gone by Newtonian mechanics, then wheel just expands.
Motor makes worm screw rotate, and then drives turbine rotation to make shrinking connecting-rod rotate.And the benefit of this mechanism is that only motor could drive shrinking connecting-rod to rotate, and shrinking connecting-rod cannot drive worm screw to rotate, and the expansion link collapsing length making luggage case is adjustable, and adjustable-speed is stable.
When after upper complete stair, again pressing switch, motor can drive shrinking connecting-rod to rotate counterclockwise.The wheel in luggage case is made to retract；Mechanism's operation logic now is following such as: then wheel will be stowed away, and decreases the space shared by wheel, and draw-bar box now is in normal state.
The benefit that motor controls: equipment is simple, can old of rapid adjustable mechanism low.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is this utility model first embodiment expansion link schematic diagram when opening；
Fig. 3 is the schematic diagram during gathering of this utility model first embodiment expansion link；
Fig. 4 is this utility model first embodiment drive connection schematic diagram；
Fig. 5 is this utility model another kind embodiment schematic diagram；
Fig. 6 is that this utility model uses view.
Detailed description of the invention
In conjunction with schematic diagram, next this utility model is further described.
Embodiment one:
As Figure 1-5, a kind of draw-bar box, including casing 1, pull bar 2 and pulley gear 3, described pulley gear 3 includes cross 31, and four ends of this cross 31 are movably installed with four expansion links 32, and the other end of expansion link 32 is installed with pulley 33.
Described expansion link 32 is controlled by connecting rod: being provided with four shrinking connecting-rods 34 that can be converted into two sections in described cross 31, one end of four shrinking connecting-rods 34 is connected with expansion link 32, and the other end is connected with worm screw 36 by turbine 35；Described adjacent two shrinking connecting-rods 34 connect by connecting connecting rod 37.
Embodiment two:
A kind of draw-bar box, including casing 1, pull bar 2 and pulley gear 3, described pulley gear 3 includes cross 31, and four ends of this cross 31 are movably installed with four expansion links 32, and the other end of expansion link 32 is installed with pulley 33.
Described expansion link 32 is by hydraulic control: cross 31 and expansion link junction are provided with spring 38, and expansion link 32 can be held out against and be in compressive state by spring 38；Described expansion link 32 can make spring 38 compress by hydraulic action.
Claims (4)
1. a draw-bar box, including casing, pull bar and pulley gear, it is characterised in that: described pulley gear includes cross, and four ends of this cross are movably installed with four expansion links, and the other end of expansion link is installed with pulley.
A kind of draw-bar box the most according to claim 1, it is characterised in that described expansion link is by hydraulic control: cross and expansion link junction are provided with spring, and expansion link can be held out against and be in compressive state by spring；Described expansion link can make spring-compressed by hydraulic action.
A kind of draw-bar box the most according to claim 1, it is characterized in that, described expansion link is controlled by connecting rod: being provided with four shrinking connecting-rods that can be converted into two sections in described cross, one end of four shrinking connecting-rods is connected with expansion link, and the other end is connected with worm screw by turbine.
A kind of draw-bar box the most according to claim 1, it is characterised in that: described adjacent two shrinking connecting-rods connect by connecting connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152399.XU CN205512936U (en) | 2016-02-29 | 2016-02-29 | Draw -bar box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152399.XU CN205512936U (en) | 2016-02-29 | 2016-02-29 | Draw -bar box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205512936U true CN205512936U (en) | 2016-08-31 |
Family
ID=56780232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620152399.XU Expired - Fee Related CN205512936U (en) | 2016-02-29 | 2016-02-29 | Draw -bar box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205512936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115474753A (en) * | 2022-09-16 | 2022-12-16 | 浙江鸿一箱包皮件有限公司 | Luggage case with ladder stand |
-
2016
- 2016-02-29 CN CN201620152399.XU patent/CN205512936U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115474753A (en) * | 2022-09-16 | 2022-12-16 | 浙江鸿一箱包皮件有限公司 | Luggage case with ladder stand |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170229 |