CN204708188U - A kind of pull bar linkage - Google Patents
A kind of pull bar linkage Download PDFInfo
- Publication number
- CN204708188U CN204708188U CN201520370243.4U CN201520370243U CN204708188U CN 204708188 U CN204708188 U CN 204708188U CN 201520370243 U CN201520370243 U CN 201520370243U CN 204708188 U CN204708188 U CN 204708188U
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- China
- Prior art keywords
- outer tube
- pull bar
- gear
- bar
- interior pipe
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- Expired - Fee Related
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- 238000000034 method Methods 0.000 description 4
- 230000001771 impaired effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
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Abstract
The utility model discloses a kind of pull bar linkage, comprise handle, pull bar, interior pipe, gear fixing device, wheel and supporting structure; Described supporting structure comprises upper connector, outer tube A, outer tube B and lower connector, and upper connector and lower connector are separately fixed on outer tube A and outer tube B, four be fixedly connected with as a whole; Described pull bar is slidably located in outer tube B; Described interior pipe is slidably located in outer tube A, and wheel is arranged on interior pipe lower end; Described gear fixing device is fixed on supporting structure, and between adjacent outer tube A and outer tube B, in gear fixing device, being provided with gear, pinion rotation is fixed in gear fixing device, pull bar is provided with the tooth bar B be meshed with gear, and interior pipe is provided with the tooth bar A be meshed with gear.This pull bar linkage can increase draw-bar box terrain clearance, makes greatly being strengthened by property of draw-bar box, reduces the contaminated probability of draw-bar box.
Description
Technical field
The utility model relates to mechanical field, specifically a kind of pull bar linkage.
Background technology
Pull rod device application is in daily life very extensive, and modal is exactly trolley luggage.Trolley luggage in the market, its pull rod device and wheel do not have drive connection, and that is the motion of pull bar can't affect the motion of wheel.Due to the trolley luggage on market, its wheel cannot be elevated, and draws in capable process in trolley luggage, due to liftoff lower bottom case and bag, easily runs into obstacle in the process of walking, and case and bag are easily contaminated even to be damaged.
Summary of the invention
The purpose of this utility model is to provide a kind of pull bar linkage, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of pull bar linkage, comprise handle, pull bar, interior pipe, gear fixing device, wheel and supporting structure, described supporting structure comprises upper connector, outer tube A, outer tube B and lower connector, upper connector and lower connector are separately fixed on outer tube A and outer tube B, four be fixedly connected with as a whole; Described pull bar is slidably located in outer tube B, and handle is fixed on pull bar upper end; Described interior pipe is slidably located in outer tube A, and wheel is arranged on interior pipe lower end; Described gear fixing device is fixed on supporting structure, and between adjacent outer tube A and outer tube B, gear is provided with in gear fixing device, gear is rotated by gear shaft and is fixed in gear fixing device, pull bar is provided with the tooth bar B be meshed with gear, outer tube B offers the breach be meshed with gear for tooth bar B, interior pipe is provided with the tooth bar A be meshed with gear, outer tube A offers the breach be meshed with gear for tooth bar A.
As further program of the utility model: described outer tube A and outer tube B is 2, and outer tube A is positioned at the two ends of supporting structure, and outer tube B is positioned at the inner side of supporting structure.
As the utility model further scheme: described upper connector and lower connector are made up of one or more groups, be fixedly connected with outer tube B with outer tube A respectively or simultaneously.
As the utility model further scheme: the screens of described outer tube and internal structure arranges positioner, it is inner or be located at outer tube outside that positioner to be located on pull bar i.e. outer tube, the present embodiment is selected to be located on pull bar and to be stretched by the button control on handle, positioner specifically slide block in the present embodiment.
As the utility model further scheme: described pull bar is made up of a joint or more piece, and built-in one or more positioner provides screens between pipe, and outer tube B is provided with multiple screens that matches with positioner.
As the utility model further scheme: described wheel connects on inner pipe directly or indirectly.
Compared with prior art, the beneficial effects of the utility model are: 1, this pull bar linkage is when operating pull bar, lifting and the folding and unfolding of wheel can be realized, during for trolley luggage, the distance that trolley luggage is extended obviously increases than common tie rods distance, realize long-range by one-pass operation to control, easy to use and easily operate; 2, when this pull bar linkage is used for trolley luggage, owing to can be realized lifting and the folding and unfolding of wheel by pull bar operation, when hauling trolley luggage walking, by wheel is stretched out, trolley luggage terrain clearance can be increased, make greatly being strengthened by property of draw-bar box, reduce the probability that trolley luggage encounters obstacle in drawing process, thus minimizing draw-bar box is contaminated and impaired probability, the service life of extending pull rod case and bag; 3, when this pull bar linkage is used for trolley luggage, deposit trolley luggage, wheel can be regained completely, does not take the parking space of trolley luggage, is easy to deposit; 4, this pull bar linkage structures is simple, easy to use, makes easily, is easy to promote.
Accompanying drawing explanation
Fig. 1 is the structural representation of pull bar linkage.
In figure: screens under connector, 16-wheel, 17-tooth bar B, 18-under pipe, 9-outer tube B, 10-positioner, 11-gear fixing device, 12-gear, 13-tooth bar A, 14-gear shaft, 15-in 1-handle, 2-button, 3-button connecting rod, 4-pull bar, the upper screens of 5-, 6-upper connector, 7-outer tube A, 8-.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of pull bar linkage, comprises handle 1, pull bar 4, interior pipe 8, gear fixing device 11, wheel 16 and supporting structure; Described supporting structure comprises upper connector 6, outer tube A 7, outer tube B 9 and lower connector 15, upper connector and lower connector are separately fixed on outer tube A and outer tube B, outer tube A 7 and outer tube B 9 is all located between upper connector 6 and lower connector 15, and four be fixedly connected with as a whole, thus formation supporting structure, outer tube A 7 and outer tube B 9 is 2, and outer tube A 7 is positioned at the both sides of supporting structure, and outer tube B 9 is positioned at the inner side of supporting structure; Described pull bar 4 is slidably located in outer tube B 9, handle 1 is fixed on pull bar 4 top, pull bar 4 is provided with positioner 10, outer tube B 9 is provided with multiple screens that matches with positioner 10, preferably, described screens totally 2, is respectively screens 5 and lower screens 18, handle 1 is provided with button 2 and button connecting rod 3, and button 2 controls the flexible of positioner 10 by button connecting rod 3; Described interior pipe 8 is slidably located in outer tube A 7, and wheel 16 is arranged on interior pipe 8 bottom; Described gear fixing device 11 is fixed on supporting structure, and between adjacent outer tube A 7 and outer tube B 9, gear 12 is provided with in gear fixing device 11, gear 12 is rotated by gear shaft 14 and is fixed in gear fixing device 11, pull bar 4 is provided with the tooth bar B17 be meshed with gear 12, outer tube B 9 offers the breach be meshed with gear 12 for tooth bar B17, interior pipe 8 is provided with the tooth bar A13 be meshed with gear 12, outer tube A 7 offers the breach be meshed with gear 12 for tooth bar A13.
Operation principle of the present utility model is: described pull bar linkage, during for draw-bar box, original state positioner 10 is stuck in lower screens 18, press the button 2, button 2 controls positioner 10 by button connecting rod 3 and shrinks, pull bar 4 and outer tube B 9 unlock, pull handle 1, pull bar 4 is moved outside outer tube B 9, tooth bar B17 driven gear 12 now on pull bar 4 rotates, when gear 12 rotates, band carry-over bar A13 moves, and then pipe 8 moves outside outer tube A 7 in driving, wheel 16 on interior pipe 8 stretches out, the case and bag of draw-bar box and the distance on ground are increased gradually, when positioner 10 arrives upper screens 5, release button 2, positioner 10 fixes in upper screens 5, lock between pull bar 4 and outer tube B 9, now wheel 16 stretches out completely.After finishing using, press the button 2, button 2 controls positioner 10 by button connecting rod 3 and shrinks, pull bar 4 and outer tube B 9 unlock, promote handle 1, pull bar 4 is moved along in outer tube B 9, tooth bar B17 driven gear 12 now on pull bar 4 rotates, when gear 12 rotates, band carry-over bar A13 moves, and then pipe 8 moves along in outer tube A 7 in driving, wheel 16 on interior pipe 8 inwardly shrinks, the case and bag of draw-bar box and the distance on ground are reduced gradually, when positioner 10 arrives lower screens 18, release button 2, positioner 10 fixes in lower screens 18, lock between pull bar 4 and outer tube B 9, now wheel 16 is regained completely.
Described pull bar linkage, when operating pull bar, can realize lifting and the folding and unfolding of wheel, and during for trolley luggage, the distance that trolley luggage is extended obviously increases than common tie rods distance, realizes long-range control by one-pass operation, easy to use and easily operate; When described pull bar linkage is used for draw-bar box, owing to can be realized lifting and the folding and unfolding of wheel by pull bar operation, when hauling draw-bar box walking, by wheel is stretched out, draw-bar box terrain clearance can be increased, make greatly being strengthened by property of draw-bar box, reduce the probability that obstacle encountered by draw-bar box in drawing process, thus minimizing draw-bar box is contaminated and impaired probability, in the service life of extending pull rod case, when depositing draw-bar box in addition, wheel can be regained completely, do not take the parking space of draw-bar box, be easy to deposit; Described pull bar linkage structures is simple, easy to use, makes easily, is easy to promote.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (5)
1. a pull bar linkage, comprises pull bar (4), rack and pinion drive and interior pipe (8) and it is characterized in that, described pull bar (4) is slidably located in outer tube B(9) in, inside is provided with tooth bar B(17), upper end is provided with handle (1); Described rack and pinion drive is by gear (11), tooth bar A(13) and tooth bar B(17) form, gear (12) is rotated by gear shaft (14) and is fixed in gear fixing device (11), tooth bar A(13) and tooth bar B(17) to be located at interior pipe (8) and pull bar (4) respectively upper and be meshed with gear (12), outer tube B(9) on offer for tooth bar B(17) breach that is meshed with gear (12), outer tube A(7) on offer confession tooth bar A(13) breach that is meshed with gear (12); Described interior pipe (8) lower end is provided with wheel (16).
2. pull bar linkage according to claim 1, is characterized in that, described pull bar (4) is made up of a joint or more piece, outer tube B(9) be provided with multiple screens that matches with positioner (10).
3. pull bar linkage according to claim 1, is characterized in that, in described wheel (16) connects directly or indirectly on pipe (8).
4. pull bar linkage according to claim 2, is characterized in that, positioner (10) is arranged on pull bar or outside outer tube.
5. pull bar linkage according to claim 1 and 2, it is characterized in that, described outer tube A(7) with outer tube B(9) be fixedly connected with as a whole with upper connector with lower connector, and outer tube A(7) be positioned at the both sides of supporting structure, outer tube B(9) be positioned at the inner side of supporting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520370243.4U CN204708188U (en) | 2015-06-02 | 2015-06-02 | A kind of pull bar linkage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520370243.4U CN204708188U (en) | 2015-06-02 | 2015-06-02 | A kind of pull bar linkage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204708188U true CN204708188U (en) | 2015-10-21 |
Family
ID=54307229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520370243.4U Expired - Fee Related CN204708188U (en) | 2015-06-02 | 2015-06-02 | A kind of pull bar linkage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204708188U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106263401A (en) * | 2015-06-02 | 2017-01-04 | 刘洪洲 | A kind of pull bar linkage |
| CN107048660A (en) * | 2017-03-31 | 2017-08-18 | 平湖市恒辉箱包配件有限公司 | Draw-bar box lift-pull handle |
| CN107307538A (en) * | 2017-06-26 | 2017-11-03 | 胡振华 | Adjustable suitcase |
| CN108835806A (en) * | 2018-06-28 | 2018-11-20 | 浙江德清完美箱包有限公司 | suitcase |
| CN114460137A (en) * | 2022-02-11 | 2022-05-10 | 成都剀瑞环保工程有限公司 | Sewage detection device |
-
2015
- 2015-06-02 CN CN201520370243.4U patent/CN204708188U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106263401A (en) * | 2015-06-02 | 2017-01-04 | 刘洪洲 | A kind of pull bar linkage |
| CN107048660A (en) * | 2017-03-31 | 2017-08-18 | 平湖市恒辉箱包配件有限公司 | Draw-bar box lift-pull handle |
| CN107048660B (en) * | 2017-03-31 | 2024-04-12 | 平湖市恒辉箱包配件有限公司 | Pulling handle of draw-bar box |
| CN107307538A (en) * | 2017-06-26 | 2017-11-03 | 胡振华 | Adjustable suitcase |
| CN108835806A (en) * | 2018-06-28 | 2018-11-20 | 浙江德清完美箱包有限公司 | suitcase |
| CN114460137A (en) * | 2022-02-11 | 2022-05-10 | 成都剀瑞环保工程有限公司 | Sewage detection device |
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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: 20151021 Termination date: 20190602 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |