CN103273948B - Can in length and breadth to the four-wheeled hand truck of walking - Google Patents
Can in length and breadth to the four-wheeled hand truck of walking Download PDFInfo
- Publication number
- CN103273948B CN103273948B CN201310213666.0A CN201310213666A CN103273948B CN 103273948 B CN103273948 B CN 103273948B CN 201310213666 A CN201310213666 A CN 201310213666A CN 103273948 B CN103273948 B CN 103273948B
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- tooth bar
- vehicle frame
- gear
- interlock tooth
- pair
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- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The present invention relates to a kind of four-wheeled hand truck, particularly a kind of can in length and breadth to walking four-wheeled hand truck, comprise vehicle frame, the handle be connected with vehicle frame and be arranged on a pair front wheel and a pair rear roller below vehicle frame.Four-wheeled hand truck of the present invention is by being arranged on forward and backward roller rotationally on vehicle frame being arranged on after on the front wheel support rear roller support being provided with vertical rotation axis, and rotatable angle is not less than 90 degree, be provided with simultaneously and rotate combined operation mechanism, when four-wheeled hand truck need from craspedodrome transfer to walk crosswise time, only need original place to operate rotation combined operation mechanism makes forward and backward roller turn to 90 degree simultaneously, without the need to rotating vehicle frame, can complete to transfer to from craspedodrome and walking crosswise.
Description
Technical field
The present invention relates to a kind of four-wheeled hand truck, particularly a kind of can in length and breadth to walking four-wheeled hand truck.
Background technology
Hand barrow be a kind of in warehouse, the transportation means being used for carrying out short distance goods handling that often can see of goods yard or logistics centre, hand barrow has economy, feature easy to use.Hand barrow has three-wheel and four-wheel two kinds, and four-wheeled hand truck is carried out more steadily, load-carrying ability is higher.The wheel that existing common four-wheeled hand truck structure generally includes vehicle frame, the handle be connected with vehicle frame and is arranged on below vehicle frame, described wheel generally includes a pair front-wheel and pair of rear wheels, front-wheel and trailing wheel are arranged side by side, conveniently four-wheeled hand truck turns to, in front-wheel and trailing wheel, generally have at least one group to be cardan wheel, front-wheel and trailing wheel two groups is all adopted to the four-wheeled hand truck of cardan wheel, although it turns to flexibly, but when advancing, direction is not easily controlled, especially when being equipped with parcel; And for only having one group to be the four-wheeled hand truck of cardan wheel in front-wheel and trailing wheel, although when straight line is carried out forward, direction is more easily controlled comparatively speaking, but, goods in warehouse or goods yard is all the other side parallel and in a row usually, passage each other is usually all into and mutually intersects vertically, and existing four-wheeled hand truck is owing to can not indulge transverse conversion walking, larger space need be had when doing vertical turn, this warehouse or goods yard this to the exigent occasion of space utilization, the decline of space availability ratio will be caused, improve warehouse cost.
Summary of the invention
The object of the invention is in order to overcome the deficiencies in the prior art provide a kind of can in length and breadth to the four-wheeled hand truck of walking.
To achieve these goals, the invention discloses a kind of can in length and breadth to walking four-wheeled hand truck, comprise vehicle frame, the handle be connected with vehicle frame and the roller be arranged on below vehicle frame, it is characterized in that: before described roller comprises and is arranged on vehicle frame, a pair front wheel at rear two ends and a pair rear roller, described front wheel and rear roller are arranged on front wheel support and rear roller support respectively, front wheel support and rear roller support are respectively equipped with front vertical rotation axis and rear vertical rotation axis, described front wheel support and rear roller support at least 90 degree are arranged on vehicle frame rotationally, front rotation combined operation operating mechanism and rear rotation combined operation mechanism is respectively equipped with between described a pair front wheel support and between a pair rear roller support, described front vertical rotation axis and rear vertical rotation axis are respectively equipped with driving front gear and final drive gear, interlock tooth bar before being provided with between described a pair driving front gear, rear interlock tooth bar is provided with between described a pair final drive gear, described before interlock tooth bar two ends be provided with interlock tooth respectively with described a pair driving front gears meshing, described rear interlock tooth bar two ends are provided with interlock tooth and engage with described a pair final drive gear respectively, the front and back end of described vehicle frame is respectively equipped with the front control lever and rear control lever that can rotate around its central axis, the lower end of described front control lever and rear control lever is in the side of described front interlock tooth bar and rear interlock tooth bar respectively and is respectively equipped with front drive gear and rear drive gear, described front interlock tooth bar and rear interlock tooth bar relevant position are respectively equipped with before driving tooth bar and rear drive tooth bar, described front interlock tooth bar and rear interlock tooth bar engage with before driving tooth bar and rear drive tooth bar respectively to form and describedly frontly rotate combined operation operating mechanism and rear rotation combined operation mechanism.
Four-wheeled hand truck of the present invention is by being arranged on forward and backward roller rotationally on vehicle frame being arranged on after on the front wheel support rear roller support being provided with vertical rotation axis, and rotatable angle is not less than 90 degree, be provided with simultaneously and rotate combined operation mechanism, when four-wheeled hand truck need from craspedodrome transfer to walk crosswise time, only need original place to operate rotation combined operation mechanism makes forward and backward roller turn to 90 degree simultaneously, without the need to rotating vehicle frame, can complete to transfer to from craspedodrome and walking crosswise.
Arrange further again as of the present invention, described driving front gear and final drive gear and described front interlock tooth bar and rear interlock tooth bar are arranged on below vehicle frame, described driving front gear and be equipped with surface bearing between final drive gear and bottom of frame, described front vertical rotation axis is or/and rear vertical rotation axis is connected with operating handle.After being provided with surface bearing and operating handle, turn to adjustment lighter, be more suitable for and load-bearing.
Further arrange as of the present invention, described front control lever and rear control lever are respectively equipped with driving front sprocket wheel and rear driving chain wheel, be provided with driving chain between described driving front sprocket wheel and rear driving chain wheel and form interlock; Or described front control lever and rear control lever are respectively equipped with front linkage gear and rear linkage gear, be provided with interlock tooth bar between described front linkage gear and rear linkage gear, interlock tooth bar two ends are engaged to form with described front linkage gear and rear linkage gear respectively and are linked.By above-mentioned setting, when needs are laterally walked, when at one end operating control lever, the roller of the other end just can be driven to rotate simultaneously, more convenient to operate.
Below in conjunction with the accompanying drawings and the specific embodiments the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing 1 is specific embodiment of the invention structural representation;
Accompanying drawing 2 is specific embodiment of the invention structure elevational schematic view;
Accompanying drawing 3 is another angled arrangement schematic diagram of the specific embodiment of the invention.
concrete enforcement
As Figure 1-3, vehicle frame 1 can be comprised in length and breadth to the four-wheeled hand truck of walking, the handle 2 be connected with vehicle frame 1 and the roller be arranged on below vehicle frame 1, before described roller comprises and is arranged on vehicle frame 1, a pair front wheel 3 at rear two ends and a pair rear roller 4, described front wheel 3 and rear roller 4 are arranged on front wheel support 5 and rear roller support 6 respectively, front wheel support 5 and rear roller support 6 are respectively equipped with front vertical rotation axis 7 and rear vertical rotation axis 8, vehicle frame 1 rear and front end is respectively equipped with a pair front-axle hole, rear axis hole, front-axle hole, rear axis hole is provided with anterior cannula, rear sleeve, the upper end of front vertical rotation axis 7 and rear vertical rotation axis 8 is through anterior cannula, rear sleeve makes front wheel support 5 and rear roller support 6 be arranged on vehicle frame 1 rotationally, described front wheel support 5 and rear roller support 6 at least 90 are spent rotatable, front vertical rotation axis 7 and rear vertical rotation axis 8 are respectively equipped with driving front gear 9 and final drive gear 10, interlock tooth bar 11 before being provided with between described a pair driving front gear 9, rear interlock tooth bar 12 is provided with between described a pair final drive gear 10, described front interlock tooth bar 11 two ends are provided with interlock tooth and engage with described a pair driving front gear 9 respectively, described rear interlock tooth bar 12 two ends are provided with interlock tooth and engage with described a pair final drive gear 10 respectively.The front and back end of described vehicle frame 1 be respectively equipped with can before its central axis rotates control lever 13 and rear control lever 14, front control lever 13 and rear control lever 14 preferred vertical are arranged in the middle of the front and back end of described vehicle frame 1, the lower end of described front control lever 13 and rear control lever 14 is in the side of described front interlock tooth bar 11 and rear interlock tooth bar 12 respectively and is respectively equipped with front drive gear 15 and rear drive gear 16, described front interlock tooth bar 11 and rear interlock tooth bar 12 engage with front drive gear 15 and rear drive gear 16 respectively to form and describedly frontly rotate combined operation operating mechanism and rear rotation combined operation mechanism.Driving front gear 9 and final drive gear 10 and described front interlock tooth bar 11 and rear interlock tooth bar 12 are arranged on below vehicle frame 1, be equipped with surface bearing between bottom described driving front gear 9 and final drive gear 10 and vehicle frame 1, described front vertical rotation axis 7 and rear vertical rotation axis 8 are all connected with operating handle.
Conveniently operate, combined operation operating mechanism and rear rotation combined operation mechanism can be rotated between described a pair front wheel support 5 and before being respectively equipped with between a pair rear roller support 6.Combined operation mechanism concrete structure has multiple, in this specific embodiment, be respectively equipped with driving front sprocket wheel and rear driving chain wheel on front control lever 13 and rear control lever 14, be provided with driving chain between described driving front sprocket wheel and rear driving chain wheel and form interlock thus, only need be connected with operating handle on described front vertical rotation axis 7 or rear vertical rotation axis 8.Combined operation mechanism also can be linkage gear and rear linkage gear before being respectively equipped with on described front control lever 13 and rear control lever 14, front linkage gear and rear linkage gear can be wholely set with front drive gear 15 and rear drive gear 16, be provided with interlock tooth bar 18 between described front linkage gear and rear linkage gear, interlock tooth bar 18 two ends are engaged to form with described front linkage gear and rear linkage gear respectively and are linked.
Claims (1)
1. one kind can in length and breadth to walking four-wheeled hand truck, comprise vehicle frame, the handle be connected with vehicle frame and the roller be arranged on below vehicle frame, it is characterized in that: before described roller comprises and is arranged on vehicle frame, a pair front wheel at rear two ends and a pair rear roller, front wheel and rear roller are arranged on front wheel support and rear roller support respectively, front wheel support and rear roller support are respectively equipped with front vertical rotation axis and rear vertical rotation axis, front wheel support and rear roller support at least 90 degree are arranged on vehicle frame rotationally, front rotation combined operation mechanism and rear rotation combined operation mechanism is respectively equipped with between a pair front wheel support and between a pair rear roller support, front vertical rotation axis and rear vertical rotation axis are respectively equipped with driving front gear and final drive gear, interlock tooth bar before being provided with between a pair driving front gear, rear interlock tooth bar is provided with between a pair final drive gear, front interlock tooth bar two ends be provided with interlock tooth respectively with a pair driving front gears meshing, rear interlock tooth bar two ends are provided with interlock tooth and engage with described a pair final drive gear respectively, the front and back end of vehicle frame is respectively equipped with the front control lever and rear control lever that can rotate around its central axis, the lower end of front control lever and rear control lever is in the side of described front interlock tooth bar and rear interlock tooth bar respectively and is respectively equipped with front drive gear and rear drive gear, front interlock tooth bar and rear interlock tooth bar relevant position are respectively equipped with before driving tooth bar and rear drive tooth bar, front drive gear and rear drive gear engage with before driving tooth bar and rear drive tooth bar respectively to form and describedly frontly rotate combined operation mechanism and rear rotation combined operation mechanism, described driving front gear and final drive gear and described front interlock tooth bar and rear interlock tooth bar are arranged on below vehicle frame, described driving front gear and be equipped with surface bearing between final drive gear and bottom of frame, described front vertical rotation axis is or/and rear vertical rotation axis is connected with operating handle, described front control lever and rear control lever are respectively equipped with driving front sprocket wheel and rear driving chain wheel, are provided with driving chain between described driving front sprocket wheel and rear driving chain wheel and form combined operation mechanism, linkage gear and rear linkage gear before can also being respectively equipped with on described front control lever and rear control lever, be provided with interlock tooth bar between described front linkage gear and rear linkage gear, interlock tooth bar two ends are engaged with described front linkage gear and rear linkage gear respectively and are formed combined operation mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310213666.0A CN103273948B (en) | 2013-05-31 | 2013-05-31 | Can in length and breadth to the four-wheeled hand truck of walking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310213666.0A CN103273948B (en) | 2013-05-31 | 2013-05-31 | Can in length and breadth to the four-wheeled hand truck of walking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103273948A CN103273948A (en) | 2013-09-04 |
| CN103273948B true CN103273948B (en) | 2016-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310213666.0A Expired - Fee Related CN103273948B (en) | 2013-05-31 | 2013-05-31 | Can in length and breadth to the four-wheeled hand truck of walking |
Country Status (1)
| Country | Link |
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| CN (1) | CN103273948B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107249962B (en) * | 2015-01-15 | 2019-08-23 | 道尔家居公司 | Tote carrier with mode converter |
| CN107049641A (en) * | 2017-04-05 | 2017-08-18 | 江南大学 | A kind of steering mechanism applied to care bed Special wheel chair |
| CN108058731B (en) * | 2017-12-29 | 2019-12-24 | 青岛中瑞物流器械有限公司 | Hand cart |
| CN108029297A (en) * | 2018-01-12 | 2018-05-15 | 台州市智诚工业设计有限公司 | A kind of small-sized quick agriculture seeding plough |
| CN109230312A (en) * | 2018-08-24 | 2019-01-18 | 奇瑞万达贵州客车股份有限公司 | A kind of bus's vehicle frame riveting production line rail transport carriage |
| CN109263748A (en) * | 2018-11-13 | 2019-01-25 | 宁夏新大众机械有限公司 | A kind of walking mechanism of silage taking machine |
| CN114620111B (en) * | 2022-02-15 | 2024-04-05 | 好孩子儿童用品有限公司 | Folding trailer |
| CN115804611B (en) * | 2023-02-03 | 2023-08-18 | 中国人民解放军北部战区总医院 | Driving chassis for X-ray machine and X-ray machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2568840A1 (en) * | 1984-05-25 | 1986-02-14 | Vial Jean Pierre | Improvements to trolleys for shooting moving pictures |
| CN2152732Y (en) * | 1993-04-08 | 1994-01-12 | 李文哲 | Steering controlling mechanism for hand cart |
| CN2626812Y (en) * | 2003-06-13 | 2004-07-21 | 冯锦祥 | Oxygen cylinder shifting carriage |
| CN203294138U (en) * | 2013-05-31 | 2013-11-20 | 王金虎 | Four-wheel trolley capable of moving transversely and longitudinally |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003191861A (en) * | 2002-06-03 | 2003-07-09 | Porinesu:Kk | Carriage |
| KR20110088734A (en) * | 2010-01-29 | 2011-08-04 | 은병희 | Front direction adjuster of lift for goods carriage |
-
2013
- 2013-05-31 CN CN201310213666.0A patent/CN103273948B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2568840A1 (en) * | 1984-05-25 | 1986-02-14 | Vial Jean Pierre | Improvements to trolleys for shooting moving pictures |
| CN2152732Y (en) * | 1993-04-08 | 1994-01-12 | 李文哲 | Steering controlling mechanism for hand cart |
| CN2626812Y (en) * | 2003-06-13 | 2004-07-21 | 冯锦祥 | Oxygen cylinder shifting carriage |
| CN203294138U (en) * | 2013-05-31 | 2013-11-20 | 王金虎 | Four-wheel trolley capable of moving transversely and longitudinally |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103273948A (en) | 2013-09-04 |
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Granted publication date: 20160406 |