CN112061204B - Extensible table plate and using method thereof, table and stall vehicle - Google Patents
Extensible table plate and using method thereof, table and stall vehicle Download PDFInfo
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- CN112061204B CN112061204B CN202010990206.9A CN202010990206A CN112061204B CN 112061204 B CN112061204 B CN 112061204B CN 202010990206 A CN202010990206 A CN 202010990206A CN 112061204 B CN112061204 B CN 112061204B
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- cover plate
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- 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
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- 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
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- Engineering & Computer Science (AREA)
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- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses an expandable table plate and a using method thereof, a table and a ground stall vehicle, wherein the expandable table plate comprises a table body and a cover plate, one end of the cover plate is hinged to one side above the table body, the other end of the cover plate is hinged to a support plate, the height of the support plate is consistent with that of the table body, when the cover plate rotates towards one side, the cover plate and the support plate are overlapped and covered above the table body, and when the cover plate rotates towards the other side, the support plate vertically supports the cover plate, so that the upper plane of the cover plate is flush with the upper plane of the table body. The folding table has the advantages that the table plate is unfolded and stored through the folding of the cover plate and the supporting plate, when the table plate is unfolded, the cover plate forms a display table top, and when the table plate is stored, the cover plate and the supporting rod are folded above the table body, so that the space is saved conveniently. The cover plate and the support plate are fixed after being unfolded through the locking pin, so that the support plate is prevented from shaking left and right to support the support plate unstably; simultaneously when apron and backup pad expand and accomodate, can realize the locking round pin to the two automatic locking and remove the locking.
Description
Technical Field
The invention relates to the technical field of tables and vehicles, in particular to an expandable table plate and a using method thereof, a table and a ground stall vehicle.
Background
The stall placing policy is successively opened all over the country, so that an expandable desktop is needed to realize the purposes of convenient stall placing and convenient display, and the stall placing vehicle with the expandable desktop is needed to facilitate stall placing of people.
Disclosure of Invention
The invention provides an expandable table plate and a using method thereof, a table and a ground stall vehicle, and aims to solve the problems of expandable table tops and expandable ground stall vehicles.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an expanded table, includes the table body, still includes the apron, apron one end hinge is connected in one side of table body top, and the apron other end hinge is connected with the backup pad, the backup pad is highly unanimous with the table body, and when the apron was rotatory to one side, apron and backup pad coincide lid were in table body top, and when the apron was rotatory to the opposite side, the backup pad will lap vertical braces, makes apron upper flat plane and table body upper flat plane parallel and level.
Optionally, an upper locking hole is formed in the cover plate, a locking pin is movably accommodated in the upper locking hole, a lower locking hole corresponding to the upper locking hole is formed in the support plate, the length of the upper locking hole is greater than that of the locking pin, and the length of the lower locking hole is smaller than that of the locking pin.
Optionally, still be equipped with the locating hole of opening towards first locking hole in the apron, install spring and locating pin in the locating hole, be equipped with the jack on the locating pin, the bolt is installed to the backup pad upper end, the terminal surface of bolt have with the inclined plane that the jack corresponds, when the jack was dialled out to the bolt, the spring drove the locating pin and stretches out the locating hole, and with the locking round pin contact, when the bolt inserted the jack, the locating pin compressed spring under the effect on inclined plane, make the locating pin with the locking round pin leaves.
Optionally, a positioning groove corresponding to the positioning pin is arranged on the locking pin.
Optionally, the insertion hole is provided with an inclined plane matched with the inclined plane on the plug pin.
A use method of the expandable table board comprises the following steps:
when the expandable table plate is unfolded, the cover plate and the supporting plate are overlapped and covered above the table body; the cover plate is lifted upwards, the cover plate and the support plate are rotated by 180 degrees, the support plate is gradually rotated around the hinge point to be perpendicular to the cover plate under the action of gravity, so that the upper locking hole is aligned with the lower locking hole, the locking pin in the upper locking hole slides downwards under the action of gravity, the lower part of the locking pin is positioned in the lower locking hole, and the upper part of the locking pin is positioned in the upper locking hole, so that the cover plate and the support plate are fixed;
when the extensible table is stored, the cover plate and the supporting plate are in an unfolded state, the cover plate is lifted upwards, when the cover plate rotates to exceed 90 degrees, the locking pin slides downwards into the upper locking hole under the action of gravity, the locking pin loses the limiting effect of the supporting plate, so that the supporting plate rotates to be overlapped on the cover body around the hinge point, and when the cover plate rotates 180 degrees, the cover plate and the supporting plate are overlapped and covered above the table body.
Further, the use method of the extensible table board comprises the following steps:
when the expandable table plate is unfolded, the cover plate and the supporting plate are overlapped and covered above the table body, and the positioning pin extends into the upper locking hole under the action of the spring to position the locking pin and prevent the locking pin from falling off; the cover plate is lifted upwards, the cover plate and the support plate are rotated by 180 degrees, the support plate is gradually rotated around a hinge point under the action of gravity to be perpendicular to the cover plate, so that an upper locking hole and a lower locking hole are aligned, meanwhile, the bolt is gradually inserted into the insertion hole, the bolt drives the positioning pin to gradually compress the spring under the action of the inclined plane of the bolt, after the positioning pin leaves the locking pin, the locking pin in the locking hole slides downwards under the action of gravity, the lower part of the locking pin is positioned in the lower locking hole, and the upper part of the locking pin is positioned in the upper locking hole, so that the cover plate and the support plate are fixed;
when the extensible table plate is stored, the cover plate and the supporting plate are in an unfolded state, the cover plate is lifted upwards, when the cover plate rotates to exceed 90 degrees, the locking pin slides downwards into the locking hole under the action of gravity, the locking pin loses the limiting effect of the supporting plate, so that the supporting plate rotates around the hinge point to be overlapped on the cover body, meanwhile, the supporting plate drives the bolt to be drawn out from the jack, the positioning pin loses the limiting effect of the bolt, and the positioning pin extends into the upper locking hole under the action of the spring to position the locking pin; when the cover plate rotates 180 degrees, the cover plate and the supporting plate are overlapped and covered above the table body.
A table comprising the expandable table top.
The ground stall vehicle with the table is characterized in that traveling wheels are arranged below the table body, a display area is arranged above the table body, and the cover plate can cover the display area.
Optionally, a handrail is arranged on the vehicle body.
Optionally, the walking wheels are universal wheels.
Optionally, the travelling wheel is driven by a drive.
The invention has the beneficial effects that:
(1) The table board is unfolded and stored through the folding of the cover board and the supporting board, when the table board is unfolded, the cover board forms a display table board, and when the table board is stored, the cover board and the supporting rod are folded above the table body, so that the space is saved.
(2) The cover plate and the support plate are fixed after being unfolded through the locking pin, so that the support plate is prevented from shaking left and right to support the support plate unstably;
(3) Meanwhile, when the cover plate and the support plate are unfolded and stored, the cover plate and the support plate can be automatically locked and unlocked by the locking pin;
(4) In addition, the locking pin is fixed through the positioning pin, the spring, the jack, the plug pin and other structures, so that the locking pin is prevented from falling off and losing.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view (closed state) of the portable box-turnover booth vehicle of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 isbase:Sub>A view taken along line A-A of FIG. 1;
FIG. 5 is a view from B-B in FIG. 3;
fig. 6 is a schematic structural view (open state) of the portable box-turnover booth vehicle of the present invention;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a view from the direction C-C of FIG. 6;
FIG. 9 is a view from D-D in FIG. 7;
FIG. 10 is an enlarged view of a portion of FIG. 9;
fig. 11 is a schematic perspective view (open) of the portable platform wagon of the present invention;
FIG. 12 is a schematic structural view (expanded) of the expandable table of the present invention;
FIG. 13 is a schematic view of the configuration of the expandable table of the present invention (rotated);
FIG. 14 is a schematic structural view (folded) of the expandable table of the present invention;
FIG. 15 is a schematic structural view of an expandable table of the present invention (with locating pins, deployed);
FIG. 16 is a schematic view of the configuration of an expandable table of the present invention (with locating pins, rotated);
fig. 17 is a schematic structural view of an expandable table of the present invention (with locating pins, folded).
Description of the reference numerals:
a table body 1; a table plate 11; a rotating shaft 12; a cam 13; a pressing shaft 14; a roller 15; a guide tube 16; a triangular block 17; a scissor lift mechanism 18; a fixed shaft 181; a drive shaft 182; a lifting block 19;
an expandable table 2;
a cover plate 21; an upper locking hole 211; a lock pin 212; a positioning groove 2121; positioning holes 213; a spring 214; a positioning pin 215; a receptacle 216;
a support plate 22; a lower locking hole 221; a latch 222;
a universal wheel 3;
a handrail 4.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
EXAMPLE 1 Expandable Table
As shown in fig. 1, an expandable table board comprises a table body 1, and a table board 11 is arranged above the table body 1. The desk further comprises a cover plate 21, one end of the cover plate 21 is hinged to one side above the desk body 1, and the other end of the cover plate 21 is hinged to a supporting plate 22. The supporting plate 22 is in accordance with the height of the table body 1, when the cover plate 21 rotates to one side, the cover plate 21 is overlapped on the table body 1, and the supporting plate 22 is overlapped on the cover plate 21. When the cover plate 21 rotates towards the other side, the support plate 22 vertically supports the cover plate 21, so that the upper plane of the cover plate 21 is flush with the upper plane of the table body 1. The cover 21 has a width at least equal to that of the table top 11 for aesthetic and practical purposes, and the length of the cover 21 may be equal to that of the table top 11 in order to increase the area of the expandable table top 2.
As shown in fig. 12 to 14, in order to prevent the cover plate 21 and the support plate 22 from being supported insufficiently after being unfolded, an upper locking hole 211 is formed in the cover plate 21, a locking pin 212 is movably accommodated in the upper locking hole 211, a lower locking hole 221 corresponding to the upper locking hole 211 is formed in the support plate 22, the length of the upper locking hole 211 is greater than that of the locking pin 212, and the length of the lower locking hole 221 is smaller than that of the locking pin 212. Therefore, when the cover plate 21 and the support plate 22 are unfolded, the locking pin 212 connects the cover plate 21 and the support plate 22 together, and prevents the support plate 22 from shaking left and right.
As shown in fig. 15-17, in order to prevent the locking pin 212 from falling off and losing, a positioning hole 213 opened toward the first locking hole is further provided in the cover plate 21, and a spring 214 and a positioning pin 215 are installed in the positioning hole 213. The positioning pin 215 is provided with an insertion hole 216, the upper end of the support plate 22 is provided with a bolt 222, the end surface of the bolt 222 is provided with an inclined surface corresponding to the insertion hole 216, when the bolt 222 is pulled out of the insertion hole 216, the spring 214 drives the positioning pin 215 to extend out of the positioning hole 213 and contact with the locking pin 212, and when the bolt 222 is inserted into the insertion hole 216, the positioning pin 215 compresses the spring 214 under the action of the inclined surface, so that the positioning pin 215 and the locking pin 212 are separated.
In order to fix the positioning pin 215 to the locking pin 212, the locking pin 212 is provided with a positioning groove 2121 corresponding to the positioning pin 215, and when the positioning pin is inserted into the positioning groove 2121 under the action of the spring 214, the locking pin 212 is effectively prevented from sliding out of the upper locking hole 211.
Advantageously, the receptacle 216 is provided with a bevel that cooperates with a bevel on the pin 222.
A use method of the expandable table board 2 comprises the following steps:
when the expandable table board 2 is unfolded, the cover board 21 and the support board 22 are overlapped and covered above the table body 1; lifting the cover plate 21 upward, rotating the cover plate 21 and the support plate 22 by 180 degrees, the support plate 22 gradually rotating around the hinge point to be perpendicular to the cover plate 21 by gravity, thereby aligning the upper locking hole 211 with the lower locking hole 221, the locking pin 212 in the upper locking hole 211 sliding downward by gravity, the lower portion of the locking pin 212 being positioned in the lower locking hole 221, and the upper portion of the locking pin 212 being positioned in the upper locking hole 211, thereby fixing the cover plate 21 and the support plate 22;
when the extensible table 2 is stored, the cover plate 21 and the support plate 22 are in an unfolded state, the cover plate 21 is lifted upwards, when the cover plate 21 rotates over 90 degrees, the locking pin 212 slides downwards into the upper locking hole 211 under the action of gravity, the locking pin 212 loses the limiting effect of removing the support plate 22, so that the support plate 22 rotates around the hinge point to be overlapped above the table body 1, and when the cover plate 21 rotates 180 degrees, the cover plate 21 and the support plate 22 are overlapped and covered above the table body 1.
Further, the use method of the extensible table board 2 comprises the following steps:
when the expandable table top 2 is unfolded, the cover plate 21 and the support plate 22 are overlapped and covered above the table body 1, the positioning pin 215 extends into the upper locking hole 211 under the action of the spring 214, and the locking pin 212 is positioned to prevent the locking pin from falling off; the cover plate 21 is lifted upwards, the cover plate 21 and the support plate 22 are rotated by 180 degrees, the support plate 22 is gradually rotated around a hinge point to be vertical to the cover plate 21 under the action of gravity, so that the upper locking hole 211 and the lower locking hole 221 are aligned, meanwhile, the bolt 222 is gradually inserted into the insertion hole 216, the bolt 222 drives the positioning pin 215 to gradually compress the spring 214 under the action of the inclined surface of the bolt 222, after the positioning pin 215 leaves the locking pin 212, the locking pin 212 in the upper locking hole 211 slides downwards under the action of gravity, the lower part of the locking pin 212 is positioned in the lower locking hole 221, and the upper part of the locking pin 212 is positioned in the upper locking hole 211, so that the cover plate 21 and the support plate 22 are fixed;
when the expandable table top 2 is stored, the cover plate 21 and the support plate 22 are in an unfolded state, the cover plate 21 is lifted upwards, when the cover plate 21 rotates by more than 90 degrees, the locking pin 212 slides downwards into the upper locking hole 211 under the action of gravity, the limiting effect of the support plate 22 is lost by the locking pin 212, so that the support plate 22 rotates around the hinge point to be overlapped above the table body 1, meanwhile, the support plate 22 drives the bolt 222 to be drawn out from the insertion hole 216, the limiting effect of the bolt 222 is lost by the positioning pin 215, and the bolt extends into the upper locking hole 211 under the action of the spring 214 to position the locking pin 212; when the cover plate 21 rotates 180 degrees, the cover plate 21 and the support plate 22 are overlapped and covered above the table body 1.
Example 2 tables and Caravans
A table comprising an expandable table top 2 as described above.
A road stall vehicle comprising the table is characterized in that road wheels are arranged below the table body 1, a display area is arranged above the table body 1, and the cover plate 21 can cover the display area.
The vehicle body is provided with a handrail 4.
The walking wheels are universal wheels 3.
The travelling wheels are driven by a driving device.
As shown in fig. 1-11, a convenient and fast board-turning stall vehicle realizes the functions of synchronously ejecting, quickly spreading and quickly storing displayed commodities when a cover is opened.
The bicycle comprises a bicycle body, wherein universal wheels 3 are arranged below the bicycle body. The vehicle body is provided with a table body 1, and the table body 1 can be provided with an expandable table plate 2 described in the embodiment 1.
The internal space of the stall vehicle is mainly divided into two parts, the upper part is the space of the display box, and the display box mainly moves up and down when being recovered or displayed; the lower part is a storage space, and except the displayed articles in the display box, the articles to be spread are all stored in the storage space. The left part of the stall vehicle is provided with a handrail 4 for a stall person to move the stall vehicle or connect a trailer for dragging.
The display box consists of a table board 11 and vertical plates around the table board 11.
The upper part is provided with a support plate 22 and a cover plate 21, the support plate 22 can rotate around the cover plate 21, the cover plate 21 can rotate around the rotating shaft 12, when the cover plate 21 and the support plate 22 are closed, the pendulum vehicle is shown in figure 1, and the cover plate 21 is used as a cover of the display box. When the cover plate 21 and the support plate 22 are opened, the spreading vehicle is shown in figure 6, the support plate 22 is in contact with the ground to play a supporting role, and the cover plate 21 is in a plane with the display box at the moment, so that the spreading area is enlarged.
When the cover 21 is changed from the closed state to the open state, the right end moves around the rotary shaft 12, and the cam 13 is attached to the right end of the cover 21 while rotating around the rotary shaft 12. In the rotation process of the cam 13, the pressing shaft 14 is ejected downwards along the guide pipe 16, the roller 15 is installed below the pressing shaft 14, the roller 15 presses the triangular block 17, and the triangular block 17 presses the scissor-type lifting mechanism 18. One end of the scissor lift mechanism 18 is fixed on the fixed shaft 181, the scissor lift mechanism 18 is changed from a compressed state (fig. 4) to a telescopic state (fig. 8) as the other end is squeezed, and the same scissor lift mechanism 18 is arranged on the opposite inner wall of the wagon, so that the pressure is transmitted through the transmission shaft 182. The top of the scissor-type lifting mechanism 18 is provided with a lifting block 19, and the lifting block 19 jacks up the display box, so that the display box is pushed up while the cover plate 21 is turned over.
The invention realizes the linear motion converted into long distance through small overturning circumference. Meanwhile, the included angle between the inclined plane of the triangular block 17 and the horizontal plane is smaller than 45 degrees, so that the smaller descending distance of the pressing shaft 14 can be realized, the larger translation distance of the triangular block 17 can be realized, the scissor-type lifting mechanism 18 can be extruded to a greater extent, and finally the ascending distance of the display box can be jacked to the greatest extent.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. An expandable table plate comprises a table body and is characterized by further comprising a cover plate, wherein one end of the cover plate is hinged to one side above the table body, the other end of the cover plate is hinged to a supporting plate, the supporting plate is consistent with the height of the table body, when the cover plate rotates to one side, the cover plate and the supporting plate are overlapped and covered above the table body, and when the cover plate rotates to the other side, the supporting plate vertically supports the cover plate, so that the upper plane of the cover plate is flush with the upper plane of the table body; the cover plate is provided with an upper locking hole, a locking pin is movably accommodated in the upper locking hole, the support plate is provided with a lower locking hole corresponding to the upper locking hole, the length of the upper locking hole is greater than that of the locking pin, and the length of the lower locking hole is less than that of the locking pin; still be equipped with the locating hole of opening towards first locking hole in the apron, install spring and locating pin in the locating hole, be equipped with the jack on the locating pin, the bolt is installed to the backup pad upper end, the terminal surface of bolt have with the corresponding inclined plane of jack, when the jack was dialled out to the bolt, the spring drove the locating pin and stretches out the locating hole, and with the locking round pin contact, when the bolt inserted the jack, the locating pin compressed spring under the effect on inclined plane, make the locating pin with the locking round pin leaves.
2. The expandable table as in claim 1, wherein the locking pin has a detent corresponding to the locating pin.
3. The expandable table as in claim 2, wherein the receptacle has a bevel that mates with a bevel on the pin.
4. A method of using an expandable table according to any of claims 1-2, characterized by the steps of:
when the expandable table plate is unfolded, the cover plate and the supporting plate are overlapped and covered above the table body; the cover plate is lifted upwards, the cover plate and the support plate are rotated by 180 degrees, the support plate is gradually rotated around the hinge point to be perpendicular to the cover plate under the action of gravity, so that the upper locking hole is aligned with the lower locking hole, the locking pin in the upper locking hole slides downwards under the action of gravity, the lower part of the locking pin is positioned in the lower locking hole, and the upper part of the locking pin is positioned in the upper locking hole, so that the cover plate and the support plate are fixed;
when accomodating expanded table, apron and backup pad are in the expansion state, upwards lift up the apron, and when the apron was rotatory when exceeding 90 degrees, the locking round pin was downthehole to the locking of gravity effect gliding, and the locking round pin loses the limiting displacement of backup pad to the backup pad is rotatory to the coincide around the hinge point on the lid, and when the apron was rotatory 180 degrees, apron and backup pad coincide lid were in the table top.
5. A method for using an expandable table as claimed in claim 3 wherein the steps are as follows:
when the extensible table plate is unfolded, the cover plate and the supporting plate are overlapped and covered above the table body, the positioning pin extends into the upper locking hole under the action of the spring, and the locking pin is positioned to prevent the locking pin from falling off; the cover plate is lifted upwards, the cover plate and the support plate are rotated by 180 degrees, the support plate is gradually rotated around a hinge point under the action of gravity to be perpendicular to the cover plate, so that an upper locking hole and a lower locking hole are aligned, meanwhile, the bolt is gradually inserted into the jack, the bolt drives the positioning pin to gradually compress the spring under the action of the inclined plane of the bolt, after the positioning pin leaves the locking pin, the locking pin in the locking hole slides downwards under the action of gravity, the lower part of the locking pin is positioned in the lower locking hole, and the upper part of the locking pin is positioned in the upper locking hole, so that the cover plate and the support plate are fixed;
when the extensible table plate is stored, the cover plate and the supporting plate are in an unfolded state, the cover plate is lifted upwards, when the cover plate rotates to a position exceeding 90 degrees, the locking pin slides downwards into the upper locking hole under the action of gravity, the locking pin loses the limiting effect of the supporting plate, so that the supporting plate rotates around the hinge point to be overlapped on the cover body, meanwhile, the supporting plate drives the bolt to be drawn out from the jack, the positioning pin loses the limiting effect of the bolt, and the positioning pin extends into the upper locking hole under the action of the spring to position the locking pin; when the cover plate rotates 180 degrees, the cover plate and the supporting plate are overlapped and covered above the table body.
6. A table comprising an expandable table as claimed in any one of claims 1 to 3.
7. A stall cart, comprising the table as claimed in claim 6, wherein the table body has road wheels below it, and the table body has a display area above it, and the cover plate can cover the display area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010990206.9A CN112061204B (en) | 2020-09-18 | 2020-09-18 | Extensible table plate and using method thereof, table and stall vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010990206.9A CN112061204B (en) | 2020-09-18 | 2020-09-18 | Extensible table plate and using method thereof, table and stall vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112061204A CN112061204A (en) | 2020-12-11 |
| CN112061204B true CN112061204B (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010990206.9A Active CN112061204B (en) | 2020-09-18 | 2020-09-18 | Extensible table plate and using method thereof, table and stall vehicle |
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| CN (1) | CN112061204B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2053812A (en) * | 1979-07-11 | 1981-02-11 | Charles Edwards A | Trailer or hand truck |
| CN105901909A (en) * | 2016-06-03 | 2016-08-31 | 刘猛 | Folding dustproof desk |
| US10918204B2 (en) * | 2018-02-06 | 2021-02-16 | Phillip R. Fleck | Art workstation |
| CN210446436U (en) * | 2019-07-09 | 2020-05-05 | 徐智安 | Multipurpose storage device |
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| CN112061204A (en) | 2020-12-11 |
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