CN203145812U - Self-locking dual-purpose ladder - Google Patents
Self-locking dual-purpose ladder Download PDFInfo
- Publication number
- CN203145812U CN203145812U CN 201220557357 CN201220557357U CN203145812U CN 203145812 U CN203145812 U CN 203145812U CN 201220557357 CN201220557357 CN 201220557357 CN 201220557357 U CN201220557357 U CN 201220557357U CN 203145812 U CN203145812 U CN 203145812U
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- Prior art keywords
- ladder
- locking
- draw
- groove
- hinge
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- Expired - Lifetime
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Abstract
The utility model discloses a self-locking dual-purpose ladder, which is constituted by a hinge joint of a first ladder section (B1) and a second ladder section (B2), and hinge is provided with a first hinge sheet (A1) and a second hinge sheet (A2) matching with each other, wherein the first hinge sheet (A1) is provided with a outer frame, which is set with a lock sheet (1) connected to one end of the drive rod (2), the middle of which is provided with a pivot shaft (3), and a spring is arranged in the direction of the drive rod (2) accessing the lock sheet (1), and the other end of drive rod (2) is connected with a drive crossbar (6), which is connected to a locking switch button (4) through a drive line (5) to compose a locking drive mechanism of ladder, which can be automatically locked as a herringbone ladder or a straight ladder with advantages of reasonable, safe and reliable structure and convenience of use.
Description
Technical field
The utility model belongs to a kind of ladder.
Background technology
At present, dual-purpose ladder has Chinese patent 02265472.0; 201120149247.1; 201120149263.0 in document, a kind of toggle device that is formed on can the section ladder that connects, fold is provided, can be in good time along with required to press the inflection part, the skeleton of a section connection type ladder of using to be shifted, make the skeleton of conversion itself and another section connection type ladder, being configured as herringbone ladder or 1 font, to prolong ladder for people to use.There is complex structure, conversion and use the operation deficiency of convenient, fast, not enough science inadequately.
Summary of the invention
The purpose of this utility model is: at the deficiencies in the prior art, propose a kind of self-locking dual-purpose ladder.
Self-locking dual-purpose ladder of the present utility model, the self-locking dual-purpose ladder, by first ladder section (B1), second ladder section (B2) constitutes by hinge-coupled, it is characterized in that: hinge is provided with first hinge plate (A1) that cooperatively interacts, second hinge plate (A2), first hinge plate (A1) is provided with outer edge, outer edge is provided with locking plate (1), first ladder section (B1) is provided with drive rod (2) in the chamber, drive rod (2) stage casing is provided with fulcrum shaft (3), fulcrum shaft (3) is connected and fixed with first ladder section (B1) chamber shell, be provided with in the horizontal treadle of ladder (C) and drive cross bar (6), the horizontal treadle of ladder (C) is provided with locking switch button (4), drive rod (2) upper end in the locking plate (1) of its first hinge plate (A1) and the ladder is connected, drive rod (2) upper end is mounted with spring (9), the lower end of drive rod (2) is connected with driving cross bar (6), drive cross bar (6) connects and composes ladder by drive wire (5) and locking switch button (4) lock drive mechanism, second hinge plate (A2) is provided with lock tooth head (11), middle shaft lock tooth head (12), lock tooth head (11) is provided with draw-in groove (7), and middle shaft lock tooth head (12) is provided with and is no less than a draw-in groove (8); When ladder is opened for the herringbone ladder, second ladder section (B2) turn counterclockwise, when draw-in groove (8) arrived locking plate (1) position, drive rod (2) promoted locking plate (1) and inserts draw-in groove (8) under the active force of spring (9), and ladder namely is locked into the herringbone ladder; In the time ladder will being transferred to the in-line ladder, by locking switch button (4), it is mobile in the other direction to the active force of spring (9) to make drive rod (2) drive locking plate (1), locking plate (1) is deviate from from draw-in groove (8), when turn formed in-line scalariform attitude counterclockwise with second ladder section (B2), by locking switch button (4), it was mobile in the other direction to the active force of spring (9) to make drive rod (2) drive locking plate (1), make locking plate (1) insert draw-in groove (7), ladder namely is locked as the in-line ladder.
Install for convenient the manufacturing, preferably first hinge plate (A1) of its hinge, second hinge plate (A2) and ladder stay link can arrange junction plate or connecting frame respectively.Also can junction plate or connecting frame be set especially, during assembling, hinge and two stepladders are directly welded or be connected and fixed get final product.
For in order to the instructions for use that can form different condition, the middle shaft lock tooth head (12) of preferred its second hinge plate (A2) is provided with first draw-in groove (8a), second draw-in groove (8b), the 3rd draw-in groove (8c), and its first draw-in groove (8a) is 0 ° with the angle of hinge plate horizontal plane; Its second draw-in groove (8b) is 30 ° with the angle of hinge plate horizontal plane; Its 3rd draw-in groove (8C) is 90 ° with the angle of hinge plate horizontal plane.
Self-locking dual-purpose ladder of the present utility model, when ladder need not close back, locking plate (1) inserts first draw-in groove (8a) self-locking, when ladder is opened for the herringbone ladder, locking plate (1) inserts second draw-in groove (8b) self-locking, when ladder transfers the in-line ladder to, manually order about locking plate (1) and insert draw-in groove (7), ladder is locked as the in-line ladder.
Self-locking dual-purpose ladder of the present utility model, for making ladder with a platform of putting thing is arranged, the horizontal treadle of ladder (C) of preferred its second ladder section (B2) is provided with a sleeve (17) and constitutes the sleeve hinge, sleeve (17) is connected with panel (16), the horizontal treadle of ladder (C) is provided with spring catch (15), be provided with the hole that is complementary with spring catch in the turn panel sleeve (17), when counterclockwise turn panel (16) arrives (P2) position, spring catch is under the effect of spring, insert in its hole, make panel (16) be fixed on (P2) position, when counterclockwise turn panel (16) arrived (P3) position, panel (16) contacted with the horizontal treadle of ladder (C) of first ladder section (B1) and constitutes a soller.
Self-locking dual-purpose ladder of the present utility model, preferred first hinge plate (A1) end is provided with wheel (Q), and is moving as can making things convenient for.
The present invention's beneficial effect compared with prior art is: self-locking dual-purpose ladder of the present utility model has advantages such as rational in infrastructure, safe, reliable, easy to use.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing, but embodiments of the present invention are not limited thereto.
Fig. 1---dual-purpose ladder hinge master looks schematic diagram
Fig. 2---dual-purpose ladder hinge schematic top plan view
Fig. 3---schematic diagram is looked on a dual-purpose ladder hinge left side
Fig. 4---the dual-purpose ladder master looks schematic diagram
Fig. 5-dual-purpose ladder schematic top plan view
Schematic diagram is looked on Fig. 6-dual-purpose ladder left side
Fig. 7-dual-purpose ladder work structuring schematic diagram
Fig. 8---herringbone scalariform attitude work structuring master looks schematic diagram
Fig. 9---1 font scalariform attitude work structuring master looks schematic diagram
Figure 10---ladder schematic diagram
Figure 11---ladder structure and panel use the main schematic illustration of looking
Figure 12---structure and panel that the ladder master looks use the state schematic illustration
Figure 13---schematic diagram is looked on the ladder right side
Among the figure: locking plate (1), drive rod (2), axle (3), locking press button (4), drive wire (5) drives cross bar (6), socket (7), (8), first draw-in groove (8a), second draw-in groove (8b), the 3rd draw-in groove (8c), chip type spring (9), locking plate sliding tray (10), lock tooth head (11), middle shaft lock tooth head (12), lock tooth head cavity (13), hinge axis (14), latch lock (15), panel (16), sleeve (17), hinge or flap (A), first hinge plate (A1), second hinge plate (A2), ladder section (B), first ladder section (B1), second ladder section (B2), the horizontal treadle of ladder (C), (C1), (C2), angle (G), positions of panels (P1), (P2), (P3), wheel (Q).
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, shown in Figure 13: among the figure: locking plate (1), drive rod (2), axle (3), locking press button (4), drive wire (5), drive cross bar (6), socket (7), (8), first draw-in groove (8a), second draw-in groove (8b), the 3rd draw-in groove (8c), chip type spring (9), locking plate sliding tray (10), lock tooth head (11), middle shaft lock tooth head (12), lock tooth head cavity (13), hinge axis (14), latch lock (15), panel (16), sleeve (17), hinge or flap (A), first hinge plate (A1), second hinge plate (A2), ladder section (B), first ladder section (B1), second ladder section (B2), the horizontal treadle of ladder (C), (C1), (C2), angle (G), positions of panels (P1), (P2), (P3), wheel (Q); Its each parts and assembling thereof in addition all can adopt prior art to make acquisition.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, shown in Figure 13: self-locking dual-purpose ladder of the present utility model, the self-locking dual-purpose ladder, by first ladder section (B1), second ladder section (B2) constitutes by hinge-coupled, it is characterized in that: hinge is provided with first hinge plate (A1) that cooperatively interacts, second hinge plate (A2), first hinge plate (A1) is provided with outer edge, outer edge is provided with locking plate (1), first ladder section (B1) is provided with drive rod (2) in the chamber, drive rod (2) stage casing is provided with fulcrum shaft (3), fulcrum shaft (3) is connected and fixed with first ladder section (B1) chamber shell, be provided with in the horizontal treadle of ladder (C) and drive cross bar (6), the horizontal treadle of ladder (C) is provided with locking switch button (4), drive rod (2) upper end in the locking plate (1) of its first hinge plate (A1) and the ladder is connected, drive rod (2) upper end is mounted with spring (9), the lower end of drive rod (2) is connected with driving cross bar (6), drive cross bar (6) connects and composes ladder by drive wire (5) and locking switch button (4) lock drive mechanism, second hinge plate (A2) is provided with lock tooth head (11), middle shaft lock tooth head (12), lock tooth head (11) is provided with draw-in groove (7), and middle shaft lock tooth head (12) is provided with and is no less than a draw-in groove (8); When ladder is opened for the herringbone ladder, second ladder section (B2) turn counterclockwise, when draw-in groove (8) arrived locking plate (1) position, drive rod (2) promoted locking plate (1) and inserts draw-in groove (8) under the active force of spring (9), and ladder namely is locked into the herringbone ladder; In the time ladder will being transferred to the in-line ladder, by locking switch button (4), it is mobile in the other direction to the active force of spring (9) to make drive rod (2) drive locking plate (1), locking plate (1) is deviate from from draw-in groove (8), when turn formed in-line scalariform attitude counterclockwise with second ladder section (B2), by locking switch button (4), it was mobile in the other direction to the active force of spring (9) to make drive rod (2) drive locking plate (1), make locking plate (1) insert draw-in groove (7), ladder namely is locked as the in-line ladder.
Install for convenient the manufacturing, preferably first hinge plate (A1) of its hinge, second hinge plate (A2) and ladder stay link can arrange junction plate or connecting frame respectively.Also can junction plate or connecting frame be set especially, during assembling, hinge and two stepladders are directly welded or be connected and fixed get final product.
For in order to the instructions for use that can form different condition, preferably the middle shaft lock tooth head 12 of its second hinge plate A2 is provided with first draw-in groove (8a), second draw-in groove (8b), the 3rd draw-in groove (8c), and its first draw-in groove (8a) is 0 ° with the angle of hinge plate horizontal plane; Its second draw-in groove (8b) is 30 ° with the angle of hinge plate horizontal plane; Its 3rd draw-in groove (8C) is 90 ° with the angle of hinge plate horizontal plane.
Self-locking dual-purpose ladder of the present utility model, when ladder need not close back, locking plate (1) inserts first draw-in groove (8a) self-locking, when ladder is opened for the herringbone ladder, locking plate (1) inserts second draw-in groove (8b) self-locking, when ladder transfers the in-line ladder to, manually order about locking plate (1) and insert draw-in groove (7), ladder is locked as the in-line ladder.
Self-locking dual-purpose ladder of the present utility model, for making ladder with a platform of putting thing is arranged, the horizontal treadle of ladder (C) of preferred its second ladder section (B2) is provided with a sleeve (17) and constitutes the sleeve hinge, sleeve (17) is connected with panel (16), the horizontal treadle of ladder (C) is provided with spring catch (15), be provided with the hole that is complementary with spring catch in the turn panel sleeve (17), when counterclockwise turn panel (16) arrives (P2) position, spring catch is under the effect of spring, insert in its hole, make panel (16) be fixed on (P2) position, when counterclockwise turn panel (16) arrived (P3) position, panel (16) contacted with the horizontal treadle (C) of first ladder section (B1) and constitutes a soller.
Self-locking dual-purpose ladder of the present utility model, preferred first hinge plate (A1) end is provided with wheel (Q), and is moving as can making things convenient for.
Self-locking dual-purpose ladder of the present utility model can adopt prior art to assemble acquisition.
Claims (4)
1. self-locking dual-purpose ladder, by first ladder section (B1), second ladder section (B2) constitutes by hinge-coupled, it is characterized in that: hinge is provided with first hinge plate (A1) that cooperatively interacts, second hinge plate (A2), first hinge plate (A1) is provided with outer edge, outer edge is provided with locking plate (1), first ladder section (B1) is provided with drive rod (2) in the chamber, drive rod (2) stage casing is provided with fulcrum shaft (3), fulcrum shaft (3) is connected and fixed with first ladder section (B1) chamber shell, be provided with in the horizontal treadle of ladder (C) and drive cross bar (6), the horizontal treadle of ladder (C) is provided with locking switch button (4), drive rod (2) upper end in the locking plate (1) of its first hinge plate (A1) and the ladder is connected, drive rod (2) upper end is mounted with spring (9), the lower end of drive rod (2) is connected with driving cross bar (6), drive cross bar (6) connects and composes ladder by drive wire (5) and locking switch button (4) lock drive mechanism, second hinge plate (A2) is provided with lock tooth head (11), middle shaft lock tooth head (12), lock tooth head (11) is provided with draw-in groove (7), and middle shaft lock tooth head (12) is provided with and is no less than a draw-in groove (8); When ladder is opened for the herringbone ladder, second ladder section (B2) turn counterclockwise, when draw-in groove (8) arrived locking plate (1) position, drive rod (2) promoted locking plate (1) and inserts draw-in groove (8) under the active force of spring (9), and ladder namely is locked into the herringbone ladder; In the time ladder will being transferred to the in-line ladder, by locking switch button (4), it is mobile in the other direction to the active force of spring (9) to make drive rod (2) drive locking plate (1), locking plate (1) is deviate from from draw-in groove (8), when turn formed in-line scalariform attitude counterclockwise with second ladder section (B2), by locking switch button (4), it was mobile in the other direction to the active force of spring (9) to make drive rod (2) drive locking plate (1), make locking plate (1) insert draw-in groove (7), ladder namely is locked as the in-line ladder.
2. self-locking dual-purpose ladder according to claim 1, it is characterized in that: the middle shaft lock tooth head (12) of its second hinge plate (A2) is provided with first draw-in groove (8a), second draw-in groove (8b), the 3rd draw-in groove (8c); Its first draw-in groove (8a) is 0 ° with the angle of hinge plate horizontal plane; Its second draw-in groove (8b) is 30 ° with the angle of hinge plate horizontal plane; Its 3rd draw-in groove (8C) is 90 ° with the angle of hinge plate horizontal plane.
3. self-locking dual-purpose ladder according to claim 1, it is characterized in that: the horizontal treadle of ladder (C) of second ladder section (B2) is provided with a sleeve (17) and constitutes the sleeve hinge, sleeve (17) is connected with panel (16), the horizontal treadle of ladder (C) is provided with spring catch (15), be provided with the hole that is complementary with spring catch in the turn panel sleeve (17), when counterclockwise turn panel (16) arrives the P2 position, spring catch is under the effect of spring, insert in its hole, make panel (16) be fixed on the P2 position, when counterclockwise turn panel (16) arrived the P3 position, panel (16) contacted with the horizontal treadle of ladder (C) of first ladder section (B1) and constitutes a soller.
4. self-locking dual-purpose ladder according to claim 1, it is characterized in that: its first hinge plate (A1) end is provided with wheel (Q).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220557357 CN203145812U (en) | 2012-10-26 | 2012-10-26 | Self-locking dual-purpose ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220557357 CN203145812U (en) | 2012-10-26 | 2012-10-26 | Self-locking dual-purpose ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203145812U true CN203145812U (en) | 2013-08-21 |
Family
ID=48973348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220557357 Expired - Lifetime CN203145812U (en) | 2012-10-26 | 2012-10-26 | Self-locking dual-purpose ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203145812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953670A (en) * | 2012-10-26 | 2013-03-06 | 钟华 | Self-locking dual-purpose ladder |
-
2012
- 2012-10-26 CN CN 201220557357 patent/CN203145812U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953670A (en) * | 2012-10-26 | 2013-03-06 | 钟华 | Self-locking dual-purpose ladder |
| CN102953670B (en) * | 2012-10-26 | 2015-08-05 | 钟华 | self-locking dual-purpose ladder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130821 Effective date of abandoning: 20150805 |
|
| RGAV | Abandon patent right to avoid regrant |