CN101353943A - Hook components for stairs - Google Patents
Hook components for stairs Download PDFInfo
- Publication number
- CN101353943A CN101353943A CNA2008101513589A CN200810151358A CN101353943A CN 101353943 A CN101353943 A CN 101353943A CN A2008101513589 A CNA2008101513589 A CN A2008101513589A CN 200810151358 A CN200810151358 A CN 200810151358A CN 101353943 A CN101353943 A CN 101353943A
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- Prior art keywords
- hook body
- ladder
- hook
- terraced
- lateral wall
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Abstract
The invention relates to a ladder-used hook component, pertaining to the ladder accessory field, in particular to a hook device used for folding a major ladder and a minor ladder of an elongated ladder. The ladder-used hook component comprises a hook body combined with the major ladder, wherein, the hook body is composed of an installation part fixedly arranged with a ladder frame and a hook body part stretching towards one side of the minor ladder; the installation part is provided with an installation surface which can be assembled with the major ladder in an anastomosis manner; a locking arm is arranged in the hook body part in a mode that the locking arm can directly lean against the upper part of a ladder rung and lock the ladder rung. Due to the reasonable construction of the locking arm and a holding groove of the hook body, the ladder-used hook component can hold the ladder rung of the minor ladder tightly, therefore the elongated ladder is more reliable, safer and convenient for application; the arrangement structure of the hook body part is simple, therefore the folded minor ladder is more convenient for being hooked and mounted; and the strengthening tie rod is arranged, therefore the safety of the hook body is further provided.
Description
Technical field
The invention belongs to the ladder field of accessories, relate in particular to the main ladder and the secondary terraced hooking device that closes up mutually of extended type ladder.
Background technology
Known technology, as 200620152226.4 1 kinds of folding H of disclosed Chinese patent type list ladder, relate to H type list ladder folded and be the structure of small size more, it comprises terraced frame and the terraced riding club that is parallel to each other, wherein, all become the connection of connecting rod interlock structure between ladder frame and each terraced riding club by pivot, the ladder frame has the terraced riding club of appearance and contains the conduit that crouches wherein, this ladder frame and terraced riding club junction have the terraced frame pivot dress hole of assembling terraced riding club by pivot, and terraced riding club two ends at different levels and terraced frame junction are all mated ladder rod self-pedaling pivot assembling hole is set.
The drop hook composite set of 02263038.4 1 kinds of vertical ladders of and for example disclosed Chinese patent, comprise the drop hook combination and be connected buckle, described drop hook combination is made up of hook seat, torsion spring, hook plate, rivet, promptly is at described hook seat interlayer and settles torsion spring and hook plate, connects by rivet; One end of described connection buckle is a flange, and other end riveting is connected on the pillar, connect on the branch buckle with under be connected buckle; During use, the drop hook aggregate erection at the upper ladder pillar medial surface, is connected buckle and in position goes up connection upper ladder pillar and descending stair pillar, upper ladder pillar is adjusted arbitrary height, press down upper ladder pillar, the pedal overlap joint of hook plate and lower end pillar is fixing.
The secondary ladder that known technology can better not solve the extended type ladder hooks together problem with main terraced safety of closing up mutually, particularly simple structure, cheap for manufacturing cost, safe and reliable hook together the device expectation of industry especially.
Summary of the invention
Problem to be solved by this invention is to overcome the defective that aforementioned techniques exists, and a kind of simple in structure, cheap for manufacturing cost, safe and reliable hook components for stairs is provided, and is specially adapted to the extended type ladder.
The present invention is realized by following technical scheme: a kind of hook components for stairs comprises and the main terraced hook body that combines that it is characterized in that: described hook body is by constituting with terraced frame installation portion that installs and the hook body segment of stretching to a secondary terraced side; Described installation portion have can with the coincide installed surface of assembling of main ladder frame; Lockup arm becomes the mode can direct reach terraced riding club top and to lock terraced riding club to be installed in hook body segment.
The present invention can also further be realized by following technical scheme:
Aforementioned hook components for stairs, wherein: the hook body segment of described hook body has the storage tank of the terraced riding club on the terraced frame of ccontaining pair, and storage tank one side is the open end, and opposite side extends upward the assembling end of formation along notch; Reinforced pull rod is installed by the assembling end of hook body segment.
Aforementioned hook components for stairs, wherein: described lockup arm becomes the mode that can freely swing to be journaled into the lockup arm installation portion of this assembling end by connector, and the lockup arm installation portion is arranged on when directing reach terraced riding club top vertically the time under the lockup arm freedom and locking the position of terraced riding club.
Aforementioned hook components for stairs, wherein: described reinforced pull rod adds by the lateral wall rod section with in abutting connection with the transition reinforced pull rod of this lateral wall rod section and along transition to be haled the pull bar installation portion that rollover forms and constitutes.
Aforementioned hook components for stairs, wherein: the installation portion of described hook body is by the lateral wall installing plate and strengthen side board in abutting connection with the transition of this lateral wall installing plate and constitute, and this lateral wall installing plate is strengthened the common formation of side board two installed surfaces that enclose with transition.
Aforementioned hook components for stairs, wherein: the width of the lateral wall installing plate of described hook body installation portion is equal to or slightly less than main ladder frame lateral wall width, and the height of lateral wall installing plate is more than or equal to the width of 1/2 lateral wall installing plate or smaller or equal to the width of 1/2 lateral wall installing plate; The width that side board is strengthened in this transition equals or is slightly larger than main ladder frame thickness.
Aforementioned hook components for stairs, wherein: the storage tank degree of depth of the hook body segment of described hook body should be greater than terraced riding club maximum gauge, and the setting of the open end of storage tank is convenient to terraced riding club and is entered round mouth; Described lockup arm is set to be inverted fan-shaped or triangular structure.
Aforementioned hook components for stairs, wherein: described hook body, reinforced pull rod, lockup arm are respectively by the compression moulding of sheet material one; The reinforced pull rod width is less than the storage tank width; The hook body segment of described hook body has reinforcing rib; The height that side board is strengthened in described transition is the same with the width of described lateral wall installing plate.
Aforementioned hook components for stairs, wherein: the peripheral one of described hook body suppresses flange; Lockup arm installation portion part in abutting connection with the hook body can be provided with the gap that the appearance lockup arm is is freely come in and gone out.
Aforementioned hook components for stairs, wherein: the peripheral one of described hook body suppresses continuous flange; The setting of described lockup arm installation portion meets the pad of flange height.
Advantage of the present invention and good effect be by above technical scheme as can be known:
Hook components for stairs of the present invention, this case hook components for stairs can tightly " be held " the terraced riding club of secondary ladder, thereby make more reliable, the safety of lengthened ladder by the reasonable structure of hook body storage tank and lockup arm, and use more easy.Being provided with of hook body segment is simple in structure, is more convenient for hooking the secondary ladder of drawing close and is convenient to installation; The hook body that is set to of reinforced pull rod provides further safety; The structure of this case hook body designs effective simplified manufacturing technique, reduces manufacturing cost, and makes material consumption littler; And more convenient batch assembling.The present invention is simple in structure, and the industry that is more suitable for is used.
For further understanding technology contents of the present invention, characteristics and effect, exemplify following preferred embodiment now, and conjunction with figs. is described in detail as follows:
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention;
Fig. 2 is a decomposition texture schematic diagram of the present invention;
Fig. 2 a is the another example structure schematic diagram of hook body among the present invention;
Fig. 3 is the schematic diagram that is installed on the terraced body of the present invention;
Fig. 3 a is the local structure for amplifying schematic diagram of hook components for stairs among Fig. 3;
Fig. 3 b is a hook components for stairs position view when terraced body draws in.
The specific embodiment
Below in conjunction with preferred embodiment, to according to the specific embodiment provided by the invention, feature and effect thereof, describe in detail as after; For simple and purpose clearly, hereinafter appropriate omission the description of known technology, in order to avoid those unnecessary details influences are to the description of the technical program.
As Figure 1-3, a kind of hook components for stairs comprises and the main terraced hook body 2 that combines that wherein, described hook body is made of installation portion 21 that combines with main ladder frame 4 and the hook body segment 22 of stretching to a secondary terraced side; The installation portion 21 of described hook body have can with the coincide installed surface 210 of assembling of main ladder frame, what represent as Fig. 1 is the installed surface of installation portion and the situation that the main ladder frame inner peripheral surface matches, but be not limited to this, the installed surface of hook body installation portion also can become the structure that matches and install with the main ladder frame outer fringe surface; The securing member 211 of two Distribution and localization is firmly installed hook body and main ladder frame by the installed surface of this installation portion, more firm, the safety that are fitted to each other of hook body and main ladder frame thus, and effective simplified manufacturing technique;
The hook body segment 22 of described hook body has storage tank 220, and this storage tank is responsible for the terraced riding club 51 on the terraced frame 5 of ccontaining pair, and storage tank one side is open end 2201, and opposite side extends upward the assembling end 2202 of formation along notch;
Described hook body segment installation portion 21 is by lateral wall installing plate 2101 and strengthen side board 2102 in abutting connection with the transition of this lateral wall installing plate and constitute, the common formation of side board two installed surfaces that enclose 210 are strengthened in this lateral wall installing plate and transition, and this installed surface matches with terraced frame inner edge or outer fringe surface or is laminated with mutually; This structure both can make hook body segment combine with main ladder frame firmly, can make hook body segment stretch to secondary terraced frame again and obtain effective intensity support;
The width b that the width b of described lateral wall installing plate 2101 meets main ladder frame lateral wall width b ', particularly lateral wall installing plate is equal to or slightly less than main ladder frame lateral wall width b ', is fit to the situation that installation portion and terraced frame inner peripheral surface match; The height h of lateral wall installing plate is more than or equal to the width b of 1/2 lateral wall installing plate or smaller or equal to the width b of 1/2 lateral wall installing plate; The height of transition reinforcement side board can be the same with the height of lateral wall installing plate; Structure thus, the promptly safe and reliable material of saving again, also effective simplified manufacturing technique; The width a that side board is strengthened in transition meets main ladder frame thickness a ', and particularly the transition width a that strengthens side board equals or is slightly larger than main ladder frame thickness a ';
When any cross section of terraced frame section when enclosed shape such as cross section are not door font section bar or U font section bar, reinforced pull rod 1 and hook body segment installation portion 21 are fit to be installed in the terraced frame; When any cross section of terraced frame section is enclosed shape such as cross section when being square shape section bar or O font section bar, reinforced pull rod 1 and hook body segment installation portion 21 are fit to be installed on terraced frame outer rim;
The degree of depth of described hook body segment storage tank 220 should be greater than terraced riding club maximum gauge, and storage tank one side is open end 2201, and the open end setting is convenient to terraced riding club and is entered round mouth;
The mode that lockup arm 3 becomes can freely swing by connector is journaled on the lockup arm installation portion 22021 of this assembling end, the lockup arm installation portion is arranged on when directing reach terraced riding club top when vertical under the lockup arm freedom and locking the position of terraced riding club, deviates from notch to limit terraced riding club;
The hook body segment of hook body has parallel each other reinforcing rib 221, and this reinforcing rib can be the projection horizontal bar that one is pressed into.
The peripheral one of hook body suppresses flange 223, plays the effect of strengthening hook body intensity;
Lockup arm installation portion part in abutting connection with the hook body can be provided with the gap 224 that the appearance lockup arm is is freely come in and gone out;
Another measure is that the peripheral one of hook body suppresses continuous flange referring to Fig. 2 a, and gap is not set, and meets the pad 31 of flange height in the setting of lockup arm installation portion, so that lockup arm can be swung freely; Be more suitable for being the embodiment of hook body thus of thin sheet material,
Reinforced pull rod 1 is installed on the main ladder frame by the pull bar installation portion 22022 of the assembling end of hook body segment so that the hook body from top to bottom integral body firmly be combined on the main ladder frame;
Reinforced pull rod 1 adds by lateral wall rod section 1101 with in abutting connection with the transition reinforced pull rod 1102 of this lateral wall rod section and along transition to be haled the pull bar installation portion 1103 that rollover forms and constitutes, the common formation of this lateral wall rod section and transition reinforced pull rod two reinforced pull rods that enclose, this reinforced pull rod is laminated with mutually with terraced frame inner peripheral surface or matches; Structure thus, the promptly safe and reliable material of saving again, also effective simplified manufacturing technique;
Lockup arm is set to be inverted fan-shaped or similar triangular structure, heavily goes up light structure to form down, is beneficial under the lockup arm freedom to replace terraced riding club when vertical, effectively limits terraced riding club, avoids notch;
Hook body, reinforced pull rod, lockup arm all can be by the compression mouldings of sheet material one, and the reinforced pull rod width is less than the storage tank width, and manufacturing process is more simplified thus, makes material obtain the most effective utilization, can effectively reduce manufacturing cost;
This case is suitable for and includes but not limited to: the situation that the multipurpose ladder of A font both sides ladder and lengthened ladder combination or lengthened ladder or other adjacent terraced bodies also need hook together mutually.
Shown in Fig. 3 b, described hook components for stairs is installed in the main ladder frame both sides of ladder, and two hook bodies make that by storage tank and the secondary terraced terraced riding club of lockup arm tight " holding " secondary ladder can be solid and reliable along the elongation of master's ladder.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. a hook components for stairs comprises and the main terraced hook body that combines, and it is characterized in that: described hook body is by constituting with terraced frame installation portion that installs and the hook body segment of stretching to a secondary terraced side; Described installation portion have can with the coincide installed surface of assembling of main ladder frame; Lockup arm becomes the mode can direct reach terraced riding club top and to lock terraced riding club to be installed in hook body segment.
2. hook components for stairs according to claim 1, it is characterized in that: the hook body segment of described hook body has the storage tank of the terraced riding club on the terraced frame of ccontaining pair, and storage tank one side is the open end, and opposite side extends upward the assembling end of formation along notch; Reinforced pull rod is installed by the assembling end of hook body segment.
3. hook components for stairs as claimed in claim 1 or 2, it is characterized in that: described lockup arm becomes the mode that can freely swing to be journaled into the lockup arm installation portion of this assembling end by connector, and the lockup arm installation portion is arranged on when directing reach terraced riding club top vertically the time under the lockup arm freedom and locking the position of terraced riding club.
4. as hook components for stairs as described in the claim 3, it is characterized in that: described reinforced pull rod adds by the lateral wall rod section with in abutting connection with the transition reinforced pull rod of this lateral wall rod section and along transition to be haled the pull bar installation portion that rollover forms and constitutes.
5. as hook components for stairs as described in the claim 4, it is characterized in that: the installation portion of described hook body is by the lateral wall installing plate and strengthen side board in abutting connection with the transition of this lateral wall installing plate and constitute, and this lateral wall installing plate is strengthened the common formation of side board two installed surfaces that enclose with transition.
6. as hook components for stairs as described in the claim 5, it is characterized in that: the width of the lateral wall installing plate of described hook body installation portion is equal to or slightly less than main ladder frame lateral wall width, and the height of lateral wall installing plate is more than or equal to the width of 1/2 lateral wall installing plate or smaller or equal to the width of 1/2 lateral wall installing plate; The width that side board is strengthened in this transition equals or is slightly larger than main ladder frame thickness.
7. as hook components for stairs as described in the claim 6, it is characterized in that: the storage tank degree of depth of the hook body segment of described hook body should be greater than terraced riding club maximum gauge, and the open end of storage tank is provided with to be convenient to terraced riding club and to enter round mouth; Described lockup arm is set to be inverted fan-shaped or triangular structure.
8. as hook components for stairs as described in the claim 7, it is characterized in that: described hook body, reinforced pull rod, lockup arm are respectively by the compression moulding of sheet material one; The reinforced pull rod width is less than the storage tank width; The hook body segment of described hook body has reinforcing rib; The height that side board is strengthened in described transition is the same with the width of described lateral wall installing plate.
9. as hook components for stairs as described in the claim 8, it is characterized in that: the peripheral one of described hook body suppresses flange; Lockup arm installation portion part in abutting connection with the hook body can be provided with the gap that the appearance lockup arm is is freely come in and gone out.
10. as hook components for stairs as described in the claim 9, it is characterized in that: the peripheral one of described hook body suppresses continuous flange; The setting of described lockup arm installation portion meets the pad of flange height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101513589A CN101353943B (en) | 2008-09-18 | 2008-09-18 | Hook components for stairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101513589A CN101353943B (en) | 2008-09-18 | 2008-09-18 | Hook components for stairs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101353943A true CN101353943A (en) | 2009-01-28 |
| CN101353943B CN101353943B (en) | 2010-10-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101513589A Active CN101353943B (en) | 2008-09-18 | 2008-09-18 | Hook components for stairs |
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| Country | Link |
|---|---|
| CN (1) | CN101353943B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105151618A (en) * | 2015-08-07 | 2015-12-16 | 桐昆集团浙江恒腾差别化纤维有限公司 | Locking device |
-
2008
- 2008-09-18 CN CN2008101513589A patent/CN101353943B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105151618A (en) * | 2015-08-07 | 2015-12-16 | 桐昆集团浙江恒腾差别化纤维有限公司 | Locking device |
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| Publication number | Publication date |
|---|---|
| CN101353943B (en) | 2010-10-20 |
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