CN102953673B - self-locking dual-purpose ladder hinge - Google Patents
self-locking dual-purpose ladder hinge Download PDFInfo
- Publication number
- CN102953673B CN102953673B CN201210418836.4A CN201210418836A CN102953673B CN 102953673 B CN102953673 B CN 102953673B CN 201210418836 A CN201210418836 A CN 201210418836A CN 102953673 B CN102953673 B CN 102953673B
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- CN
- China
- Prior art keywords
- ladder
- draw
- groove
- hinge
- locking
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- Expired - Fee Related
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Abstract
Self-locking dual-purpose ladder hinge of the present invention, hinge is provided with the hinge plate (A1), the hinge plate (A2) that cooperatively interact, and hinge plate (A1) is provided with outer edge, and outer edge is provided with locking plate sliding tray (10); Hinge plate (A2) is provided with lock tooth head (11), intermediate axle lock tooth head (12), lock tooth head (11) is provided with draw-in groove (7), intermediate axle lock tooth head (12) is provided with and is no less than a draw-in groove (8), for self-locking dual-purpose ladder specialized spare part, there is the advantages such as rational in infrastructure, safe, reliable, easy to use.
Description
Technical field
The invention belongs to a kind of ladder component.
Background technology
At present, dual-purpose ladder, has Chinese patent 02265472.0; 201120149247.1; 201120149263.0 in document, there is provided a kind of be formed in can section connect, toggle device on the ladder that folds, can in good time along with required to press inflection part, use the skeleton of the section connection type ladder be shifted, make the skeleton of conversion itself and another section connection type ladder, be configured as herringbone ladder or 1 font extend ladder for people to use.There is complex structure, conversion uses the deficiency operating convenient, fast not, inadequate science.
Summary of the invention
The object of the invention is to: for the deficiencies in the prior art, propose a kind of self-locking dual-purpose ladder hinge.
Self-locking dual-purpose ladder hinge of the present invention, is characterized in that: hinge is provided with the first hinge plate A1, the second hinge plate A2 that cooperatively interact, and the first hinge plate A1 is provided with outer edge, and outer edge is provided with locking plate 1; Second hinge plate A2 be provided with lock tooth head 11 and, intermediate axle lock tooth head 12, lock tooth head 11 is provided with draw-in groove 7, intermediate axle lock tooth head 12 is provided with and is no less than a draw-in groove 8, and intermediate axle lock tooth head 12 is provided with the first draw-in groove 8a, the second draw-in groove 8b, when ladder need not close back, locking plate 1 inserts the first draw-in groove 8a self-locking, when ladder is opened for herringbone ladder, locking plate 1 inserts the second draw-in groove 8b self-locking, when ladder transfers in-line ladder to, manually order about locking plate 1 and insert draw-in groove 7, ladder lock is decided to be in-line ladder.
Self-locking dual-purpose ladder hinge of the present invention, the intermediate axle lock tooth head 12 of its second hinge plate A2 is provided with the first draw-in groove 8a, the second draw-in groove 8b, the 3rd draw-in groove 8c, and the angle of its first draw-in groove 8a and hinge plate horizontal plane is 0 °; The angle of its second draw-in groove 8b and hinge plate horizontal plane is 30 °; The angle of its 3rd draw-in groove 8c and hinge plate horizontal plane is 90 °.
The present invention's beneficial effect is compared with prior art: self-locking dual-purpose ladder hinge of the present invention, has the advantages such as rational in infrastructure, safe, reliable, easy to use.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described, but embodiments of the present invention are not limited thereto.
Fig. 1---dual-purpose ladder hinge schematic front view
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---dual-purpose ladder schematic front view
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 state work structuring schematic front view
Fig. 9---1 font scalariform state work structuring schematic front view
Figure 10---ladder schematic diagram
Figure 11---ladder structure and panel use master to look schematic illustration
Figure 12---the structure that ladder master looks and panel using state schematic illustration
Figure 13---schematic diagram is looked on the ladder right side
In 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, the second draw-in groove 8b, the 3rd draw-in groove 8c, chip type spring 9, lock tooth head 11, intermediate axle lock tooth head 12, lock tooth head cavity 13, hinge axis 14, pin lock 15, panel 16, panel pivot cover 17, hinge or flap A, first hinge plate A1, the second hinge plate A2, ladder section B, the first ladder section B1, the second ladder section B2, ladder horizontal treadle C, C1, C2, angle G, positions of panels P1, P2, P3, wheel Q.
Detailed description of the invention
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: in 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, 3rd draw-in groove 8c, chip type spring 9, lock tooth head 11, intermediate axle lock tooth head 12, lock tooth head cavity 13, hinge axis 14, pin lock 15, panel 16, panel pivot cover 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 C of ladder, C1, C2, angle G, self-locking dual-purpose ladder hinge of the present invention, for self-locking dual-purpose ladder specialized spare part, prior art can be adopted to carry out manufacture obtain.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13: self-locking dual-purpose ladder hinge of the present invention, hinge is provided with the first hinge plate A1, the second hinge plate A2 that cooperatively interact, first hinge plate A1 is provided with outer edge, second hinge plate A2 is provided with lock tooth head 11, intermediate axle lock tooth head 12, lock tooth head 11 is provided with draw-in groove 7, and intermediate axle lock tooth head 12 is provided with and is no less than a draw-in groove 8.The intermediate axle lock tooth head 12 of its second hinge plate A2 is provided with the first draw-in groove 8a, the second draw-in groove 8b, the 3rd draw-in groove 8c, and the angle of its first draw-in groove 8a and hinge plate horizontal plane is 0 °; The angle of its second draw-in groove 8b and hinge plate horizontal plane is 30 °; The angle of its 3rd draw-in groove 8C and hinge plate horizontal plane is 90 °.
Self-locking dual-purpose ladder hinge of the present invention, can adopt prior art to carry out assembling and obtain.
Self-locking dual-purpose ladder hinge of the present invention, for self-locking dual-purpose ladder specialized spare part, the self-locking dual-purpose ladder that its assembling is formed, self-locking dual-purpose ladder, by the first ladder section B1, second ladder section B2 is consisted of hinge-coupled, it is characterized in that: hinge is provided with the first hinge plate A1 cooperatively interacted, second hinge plate A2, first hinge plate A1 is provided with outer edge, outer edge is provided with locking plate 1, drive rod 2 is provided with in first ladder section B1 chamber, drive rod 2 stage casing is provided with fulcrum shaft 3, fulcrum shaft 3 and the first ladder section B1 chamber shell are connected and fixed, be provided with in the horizontal treadle C of ladder and drive cross bar 6, the horizontal treadle C of ladder is provided with locking switch button 4, the locking plate 1 of its first hinge plate A1 is connected with drive rod 2 upper end in ladder, drive rod 2 upper end is mounted with spring 9, the lower end of drive rod 2 is connected with driving cross bar 6, cross bar 6 is driven to connect and compose the lock drive mechanism of ladder by drive wire 5 and locking switch button 4, second hinge plate A2 is provided with lock tooth head 11, intermediate axle lock tooth head 12, lock tooth head 11 is provided with draw-in groove 7, intermediate axle lock tooth head 12 is provided with and is no less than a draw-in groove 8, when ladder is opened for herringbone ladder, the counterclockwise turn of the second ladder section B2, when draw-in groove 8 arrives locking plate 1 position, drive rod 2 promotes locking plate 1 and inserts draw-in groove 8 under the active force of spring 9, and namely ladder is locked into herringbone ladder, when ladder being transferred to in-line ladder, by locking switch button 4, drive rod 2 is made to drive locking plate 1 mobile to the active force of spring 9 in the other direction, locking plate 1 is deviate from from draw-in groove 8, when the counterclockwise turn of second ladder section B2 is formed in-line scalariform state, by locking switch button 4, drive rod 2 is made to drive locking plate 1 mobile to the active force of spring 9 in the other direction, make locking plate 1 insert draw-in groove 7, namely ladder is locked as in-line ladder.
With the ladder that self-locking dual-purpose ladder hinge of the present invention is made, when ladder need not close back, locking plate 1 inserts the first draw-in groove 8a self-locking, when ladder is opened for herringbone ladder, locking plate 1 inserts the second draw-in groove 8b self-locking, when ladder transfers in-line ladder to, manually order about locking plate 1 and insert draw-in groove 7, ladder lock is decided to be in-line ladder.
Claims (2)
1. a self-locking dual-purpose ladder hinge, it is characterized in that: hinge is provided with the first hinge plate (A1), the second hinge plate (A2) that cooperatively interact, first hinge plate (A1) is provided with outer edge, and outer edge is provided with locking plate (1); Second hinge plate (A2) is provided with lock tooth head (11) and intermediate axle lock tooth head (12), lock tooth head (11) is provided with draw-in groove (7), and intermediate axle lock tooth head (12) is provided with and is no less than a draw-in groove (8); Intermediate axle lock tooth head (12) is provided with the first draw-in groove (8a), the second draw-in groove (8b), when ladder need not close back, locking plate (1) inserts the first draw-in groove (8a) self-locking, when ladder is opened for herringbone ladder, locking plate (1) inserts the second draw-in groove (8b) self-locking, when ladder transfers in-line ladder to, manually order about locking plate (1) and insert draw-in groove (7), ladder lock is decided to be in-line ladder.
2. self-locking dual-purpose ladder hinge according to claim 1, it is characterized in that: the intermediate axle lock tooth head (12) of its second hinge plate (A2) is provided with the first draw-in groove (8a), the 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210418836.4A CN102953673B (en) | 2012-10-26 | 2012-10-26 | self-locking dual-purpose ladder hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210418836.4A CN102953673B (en) | 2012-10-26 | 2012-10-26 | self-locking dual-purpose ladder hinge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102953673A CN102953673A (en) | 2013-03-06 |
| CN102953673B true CN102953673B (en) | 2016-01-20 |
Family
ID=47763004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210418836.4A Expired - Fee Related CN102953673B (en) | 2012-10-26 | 2012-10-26 | self-locking dual-purpose ladder hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102953673B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014173B (en) * | 2016-07-14 | 2018-01-26 | 国网河南省电力公司濮阳供电公司 | Compound inslation ladder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4824278A (en) * | 1987-02-21 | 1989-04-25 | Woo Kyong Industrial Co., Ltd. | Positioning joint for folding ladders |
| CN2062377U (en) * | 1990-01-17 | 1990-09-19 | 盛景源 | Locating device for multi-stairs |
| JP2003172084A (en) * | 2001-12-06 | 2003-06-20 | Gop Kk | Toppling preventive device for workbench or the like |
| CN2742214Y (en) * | 2004-12-03 | 2005-11-23 | 谢小燕 | Hinge locating mechanism |
| CN101131066A (en) * | 2007-10-11 | 2008-02-27 | 王万兴 | Dual-purpose telescopic ladder |
-
2012
- 2012-10-26 CN CN201210418836.4A patent/CN102953673B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4824278A (en) * | 1987-02-21 | 1989-04-25 | Woo Kyong Industrial Co., Ltd. | Positioning joint for folding ladders |
| CN2062377U (en) * | 1990-01-17 | 1990-09-19 | 盛景源 | Locating device for multi-stairs |
| JP2003172084A (en) * | 2001-12-06 | 2003-06-20 | Gop Kk | Toppling preventive device for workbench or the like |
| CN2742214Y (en) * | 2004-12-03 | 2005-11-23 | 谢小燕 | Hinge locating mechanism |
| CN101131066A (en) * | 2007-10-11 | 2008-02-27 | 王万兴 | Dual-purpose telescopic ladder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102953673A (en) | 2013-03-06 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20181026 |