CN111301498A - Volume variable handcart - Google Patents
Volume variable handcart Download PDFInfo
- Publication number
- CN111301498A CN111301498A CN201911256548.1A CN201911256548A CN111301498A CN 111301498 A CN111301498 A CN 111301498A CN 201911256548 A CN201911256548 A CN 201911256548A CN 111301498 A CN111301498 A CN 111301498A
- Authority
- CN
- China
- Prior art keywords
- guardrail
- lock catch
- lock
- column
- clamping
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/002—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by a rectangular shape, involving sidewalls or racks
- B62B3/005—Details of storage means, e.g. drawers, bins or racks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a volume-variable trolley which comprises a trolley base, a first guardrail column, a second guardrail column, a guardrail upper frame, a handrail connecting plate, a railing lock catch part and universal wheels, wherein the trolley base is provided with a first guardrail column and a second guardrail column; the universal wheels are arranged at the bottom of the vehicle base; the first guardrail columns are vertically arranged on the vehicle base and form a closed square ring; the number of the second guardrail columns is the same as that of the first guardrail columns, column-shaped grooves are formed in the first guardrail columns, and the second guardrail columns are inserted into the column-shaped grooves of the first guardrail columns; the upper end part of the first guardrail column is connected with a square guardrail upper frame; the rear side edge of the vehicle base is provided with a handrail connecting plate vertical to the base; the handrail lock catch component is arranged in the middle of the handrail connecting plate; the handrail lock catch component comprises a lock catch fixing piece, a lock catch clamping end, a lock catch female hinge, a lock catch overturning piece, a lock catch sub hinge, a lock catch overturning end and a lock catch. The volume-variable trolley can realize volume change.
Description
Technical Field
The invention relates to a volume-variable handcart.
Background
The existing trolley does not have a structure with a variable volume, and the volume cannot be changed or excessive occupied space or insufficient storage space is caused for different carrying operations.
Disclosure of Invention
The invention aims to provide a volume-variable trolley and aims to solve the problems.
In order to achieve the purpose, the technical scheme of the invention is to design a volume-variable trolley, which comprises a trolley base, a first guardrail column, a second guardrail column, a guardrail upper frame, a handrail connecting plate, a handrail locking part and universal wheels, wherein the first guardrail column is arranged on the trolley base;
the universal wheels are arranged at the bottom of the vehicle base; the first guardrail columns are vertically arranged on the vehicle base and form a closed square ring; the number of the second guardrail columns is the same as that of the first guardrail columns, column grooves are formed in the first guardrail columns, and the second guardrail columns are inserted into the column grooves of the first guardrail columns; the upper end part of the first guardrail column is connected with a square guardrail upper frame; the rear side edge of the vehicle base is provided with a handrail connecting plate vertical to the base; the handrail lock part is arranged in the middle of the handrail connecting plate;
the handrail lock catch component comprises a lock catch fixing piece, a lock catch clamping end, a lock catch female hinge, a lock catch overturning piece, a lock catch sub hinge, a lock catch overturning end and a lock catch;
the rear end of the lock catch fixing piece is connected with the handrail connecting plate, the front end of the lock catch fixing piece is provided with an arc-shaped groove used for coating the arc surface of the upper end of the guardrail upper frame, and two sides of the lock catch fixing piece at the rear side of the arc-shaped groove are provided with lock catch female hinges; the clamping end of the lock catch is arranged on the upper end edge of the lock catch fixing piece; the rear end of the lock catch overturning part is provided with a lock catch sub hinge, and two ends of the lock catch sub hinge penetrate through the lock catch female hinge to form a complete hinge; the front end of the lock catch overturning part is provided with an arc-shaped groove used for coating the arc surface of the lower end of the upper frame of the guardrail; the front end of the lock catch overturning part is provided with a lock catch overturning end for locking and overturning; the clamping lock is characterized in that one end of the clamping lock is movably connected with a clamping lock overturning end, and the other end of the clamping lock is a clamping lock groove used for clamping the clamping lock clamping end.
Further, second guardrail column bottom is equipped with spacing piece, and spacing piece diameter equals the cylindrical groove diameter of first guardrail post, is less than the diameter in first guardrail column groove at the groove diameter at first guardrail column top, and second guardrail column diameter equals the diameter in first guardrail column top groove.
Furthermore, the clamping lock is made of elastic metal, and the middle part of the clamping lock is provided with an arc-shaped sunken structure for avoiding the guardrail upper frame.
The invention has the advantages and beneficial effects that: the volume-variable trolley can realize the volume change, when the storage is less, the second guardrail column is completely inserted into the first guardrail column, when the storage is more, the second guardrail column is lifted, and the guardrail upper frame is fixed by the guardrail locking part.
Drawings
Fig. 1 is a schematic view of the second fence post of the present invention fully inserted into the first fence post.
Fig. 2 is a schematic view of the second fence post of the present invention after being lifted.
Fig. 3 is an enlarged partial schematic view (first guardrail post cut away) of the present invention.
Fig. 4 is a schematic view of a balustrade locking member.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example (b):
a volume-variable handcart comprises a handcart base 1, a first guardrail column 2, a second guardrail column 3, a guardrail upper frame 4, a handrail connecting plate 5, a guardrail lock catch part 6 and universal wheels 7;
the universal wheels 7 are arranged at the bottom of the vehicle base 1; the first guardrail posts 2 are vertically arranged on the vehicle base 1, and the first guardrail posts 2 form a closed square ring; the number of the second guardrail posts 3 is the same as that of the first guardrail posts 2, the first guardrail posts 2 are internally provided with column grooves, and the second guardrail posts 3 are inserted into the column grooves of the first guardrail posts 2; the upper end part of the first guardrail column 2 is connected with a square guardrail upper frame 4; the rear side edge of the vehicle base 1 is provided with a handrail connecting plate 5 which is vertical to the base 1; the handrail lock part 6 is arranged in the middle of the handrail connecting plate 5;
the handrail lock catch part 6 comprises a lock catch fixing piece 3-1, a lock catch clamping end 3-2, a lock catch female hinge 3-3, a lock catch overturning piece 3-4, a lock catch sub hinge 3-5, a lock catch overturning end 3-6 and a lock catch 3-7;
the rear end of the lock catch fixing piece 3-1 is connected with the handrail connecting plate 5, the front end of the lock catch fixing piece 3-1 is provided with an arc-shaped groove used for coating the arc surface of the upper end of the guardrail upper frame 4, and two sides of the lock catch fixing piece 3-1 at the rear side of the arc-shaped groove are provided with lock catch female hinges 3-3; the clamping end 3-2 of the lock catch is arranged on the upper end edge of the lock catch fixing piece 3-1; the rear end of the lock catch overturning part 3-4 is provided with a lock catch sub hinge 3-5, and two ends of the lock catch sub hinge 3-5 penetrate through the lock catch main hinge 3-3 to form a complete hinge; the front end of the lock catch overturning part 3-4 is provided with an arc-shaped groove used for coating the arc surface of the lower end of the guardrail upper frame 4; the front end of the lock catch overturning part 3-4 is provided with a lock catch overturning end 3-6 for overturning the lock catch 3-7; one end of the clamping lock 3-7 is movably connected with the clamping lock turning end 3-6, and the other end of the clamping lock 3-7 is provided with a clamping lock groove for clamping the clamping lock end 3-2.
The clamping locks 3-7 are made of elastic metal, and arc-shaped concave structures are arranged in the middle of the clamping locks 3-7 to avoid the guardrail upper frame 4.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. A variable volume cart, comprising: the guardrail comprises a vehicle base, a first guardrail column, a second guardrail column, a guardrail upper frame, a handrail connecting plate, a guardrail locking part and universal wheels;
the universal wheels are arranged at the bottom of the vehicle base; the first guardrail columns are vertically arranged on the vehicle base and form a closed square ring; the number of the second guardrail columns is the same as that of the first guardrail columns, column grooves are formed in the first guardrail columns, and the second guardrail columns are inserted into the column grooves of the first guardrail columns; the upper end part of the first guardrail column is connected with a square guardrail upper frame; the rear side edge of the vehicle base is provided with a handrail connecting plate vertical to the base; the handrail lock part is arranged in the middle of the handrail connecting plate;
the handrail lock catch component comprises a lock catch fixing piece, a lock catch clamping end, a lock catch female hinge, a lock catch overturning piece, a lock catch sub hinge, a lock catch overturning end and a lock catch;
the rear end of the lock catch fixing piece is connected with the handrail connecting plate, the front end of the lock catch fixing piece is provided with an arc-shaped groove used for coating the arc surface of the upper end of the guardrail upper frame, and two sides of the lock catch fixing piece at the rear side of the arc-shaped groove are provided with lock catch female hinges; the clamping end of the lock catch is arranged on the upper end edge of the lock catch fixing piece; the rear end of the lock catch overturning part is provided with a lock catch sub hinge, and two ends of the lock catch sub hinge penetrate through the lock catch female hinge to form a complete hinge; the front end of the lock catch overturning part is provided with an arc-shaped groove used for coating the arc surface of the lower end of the upper frame of the guardrail; the front end of the lock catch overturning part is provided with a lock catch overturning end for locking and overturning; the clamping lock is characterized in that one end of the clamping lock is movably connected with a clamping lock overturning end, and the other end of the clamping lock is a clamping lock groove used for clamping the clamping lock clamping end.
2. A variable volume trolley according to claim 1, wherein: second guardrail column bottom is equipped with spacing piece, and spacing piece diameter equals the cylindrical groove diameter of first guardrail post, is less than the diameter in first guardrail column cylindrical groove at the groove diameter at first guardrail column top, and second guardrail column diameter equals the diameter in first guardrail column top groove.
3. A variable volume trolley according to claim 1, wherein: the clamping lock is made of elastic metal, and the middle part of the clamping lock is provided with an arc-shaped sunken structure for avoiding the guardrail upper frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911256548.1A CN111301498A (en) | 2019-12-10 | 2019-12-10 | Volume variable handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911256548.1A CN111301498A (en) | 2019-12-10 | 2019-12-10 | Volume variable handcart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111301498A true CN111301498A (en) | 2020-06-19 |
Family
ID=71157461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911256548.1A Pending CN111301498A (en) | 2019-12-10 | 2019-12-10 | Volume variable handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111301498A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100187784A1 (en) * | 2009-01-28 | 2010-07-29 | Jeffrey Koesterich | Convertible luggage carrier |
| CN102310879A (en) * | 2010-06-22 | 2012-01-11 | 本田技研工业株式会社 | The handle apparatus of Work machine |
| CN206719269U (en) * | 2017-04-21 | 2017-12-08 | 安徽省安工机械制造有限公司 | A kind of machine die transport vehicle |
| CN108116465A (en) * | 2017-12-02 | 2018-06-05 | 国家电网公司 | Multifunction folding instruction carriage |
| CN207631288U (en) * | 2017-12-06 | 2018-07-20 | 天津宏辉创意科技有限公司 | A kind of tile in tile manufacture transfer device |
| CN109109947A (en) * | 2018-09-20 | 2019-01-01 | 郑州云海信息技术有限公司 | A kind of server handling device |
-
2019
- 2019-12-10 CN CN201911256548.1A patent/CN111301498A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100187784A1 (en) * | 2009-01-28 | 2010-07-29 | Jeffrey Koesterich | Convertible luggage carrier |
| CN102310879A (en) * | 2010-06-22 | 2012-01-11 | 本田技研工业株式会社 | The handle apparatus of Work machine |
| CN206719269U (en) * | 2017-04-21 | 2017-12-08 | 安徽省安工机械制造有限公司 | A kind of machine die transport vehicle |
| CN108116465A (en) * | 2017-12-02 | 2018-06-05 | 国家电网公司 | Multifunction folding instruction carriage |
| CN207631288U (en) * | 2017-12-06 | 2018-07-20 | 天津宏辉创意科技有限公司 | A kind of tile in tile manufacture transfer device |
| CN109109947A (en) * | 2018-09-20 | 2019-01-01 | 郑州云海信息技术有限公司 | A kind of server handling device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205133067U (en) | Carrier -and -stacker and fork frame locking mechanism thereof | |
| EP2000054B1 (en) | Supporting structure for storing and handling casks | |
| WO2003095350A8 (en) | Safety fence at upper part of cab | |
| CN111301498A (en) | Volume variable handcart | |
| CN209939261U (en) | Box elevator transportation frock | |
| CN209874648U (en) | Movable guardrail lifter | |
| CN218787002U (en) | Safety protective guard | |
| CN204754792U (en) | Upset railing | |
| CN212090859U (en) | Combined slide with widened safety buffering slide way | |
| CN210066568U (en) | Traffic device upright with cross arm | |
| CN208393412U (en) | One kind is collapsible to cross sill trolley | |
| CN201120973Y (en) | Case special for copper conduction wire disk | |
| CN218754382U (en) | Aluminum alloy derrick | |
| CN204590771U (en) | Protective fence column cap | |
| CN220487294U (en) | Upright post base protective cover | |
| CN206252105U (en) | A kind of high-order heavy type storage rack | |
| CN211338726U (en) | Dedicated safe hanging flower basket of truck crane | |
| CN205022636U (en) | Paint kettle carrier | |
| CN204899418U (en) | Portable tent frame extending structure | |
| CN205344805U (en) | Rail guard behind carriage | |
| CN221073748U (en) | Gardens guardrail package assembly | |
| CN203161058U (en) | Electric folding gate | |
| CN111720041A (en) | Platform extension ladder | |
| CN219794908U (en) | Protective fence | |
| CN204531724U (en) | A kind of lift door lock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200619 |
|
| RJ01 | Rejection of invention patent application after publication |