CN101922283A - Stair assembly structure and stair fixing seat thereof - Google Patents
Stair assembly structure and stair fixing seat thereof Download PDFInfo
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- CN101922283A CN101922283A CN 201010225392 CN201010225392A CN101922283A CN 101922283 A CN101922283 A CN 101922283A CN 201010225392 CN201010225392 CN 201010225392 CN 201010225392 A CN201010225392 A CN 201010225392A CN 101922283 A CN101922283 A CN 101922283A
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- locking pin
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Abstract
The invention relates to a stair assembly structure, belonging to the ladder filed and relating to a connection attachment for assembling ladder frame and a stair. The stair assembly structure can provide convenience for assembly, is particularly suitable for an extension ladder, and comprises a stair, wherein the end part of the stair is provided with a stair fixing seat which is composed of a fixed substrate and a boss which are integrated into a whole, the part of the boss is provided with stair assembling through holes which are used for matching combination with the end part of the stair; locking pin holes capable of allowing locking pins to pass through transversely are arranged on the boss; and the locking pins are used for fixing the end part of the stair through the locking pin holes. In the scheme, the stair fixing seat can be reasonably arranged to enable the end part of the stair to extend the model cavity formed by the stair assembling through holes in an anastomotic mode, thus the stair and the stair fixing seat are fixedly combined into an integrated component, thereby effectively simplifying the assembling processes of the stair and the ladder frame and facilitating ladder maintenance.
Description
Technical field
This case belongs to the ladder field, relates to the coupling of terraced frame and step assembling, provides convenience for assembling, is specially adapted to extension ladder or claims extension ladder.
Background technology
Known technology comprises the riding club body of device between two hollow cleat stanchions as the combined structure of 200520027109.0 1 kinds of terraced riding clubs of disclosed Chinese patent and terraced frame, and wherein, the two ends of riding club body have the assembling end that connects with cleat stanchion; But preset the support set of cross binding hollow ladder frame inwall in terraced frame and terraced riding club junction.This case is provided with the support component of the ladder of support hollow exactly frame inwall, makes the support set that installs on each tap-tap roller form several support components to the terraced frame of hollow, thereby effectively improves the intensity of terraced frame and the safety of ladder.
Install structure between 200720099423.9 1 kinds of step riding clubs of and for example disclosed Chinese patent and terraced frame, the reinforcing armature that belongs to ladder, relate to the assembling structure between step riding club and terraced frame, it comprises the fixedly cleat stanchion and the riding club body of device between two cleat stanchions of step riding club, and described cleat stanchion is a hollow cylinder; Described riding club body has the assembling end that installs with cleat stanchion, and wherein, the liner support means that can form wall support lining to cleat stanchion is in described cleat stanchion hollow hole, and by the riding club body assembling end suit that installs with cleat stanchion; Become the form that to push the liner support member to install between described riding club body assembling end and the cleat stanchion.
200720097694.0 1 kinds of extension ladders of disclosed for another example Chinese patent ladder frame port protection assembly belongs to the annex of extension ladder, has introduced on the major and minor terraced port of extension ladder and has protected member.
Market expects that more a kind of riding club holder that can be useful in the ladder on the extension ladder comes out, with the packaging efficiency of further raising ladder.
Summary of the invention
Problem to be solved by this invention is to overcome the above-mentioned defective that aforementioned techniques exists, and a kind of assembling structure and stair fixing seat thereof of step are provided, so that terraced frame and step assembling are more convenient.
Technical solution problem of the present invention takes following technical scheme to realize, assembling structure according to a kind of step provided by the invention, comprise step, wherein, the end configuration stair fixing seat of described step, this stair fixing seat is installed substrate and is constituted along installing the boss that substrate one side protrudes by integrated, and the boss position has step assembling through hole, and it is used for combining with the end coupling of step; Also be provided with on the boss and can hold the locking pin-and-hole that locking pin crosses; Locking pin is by the end of locking pin-and-hole fixed ladder level.
The assembling structure of aforesaid step, wherein, described step assembling through hole is set to the model cavity with the step coupling.
The assembling structure of aforesaid step, wherein, described model cavity is meant the step assembling inner chamber that through hole became, its A-A is consistent to the arbitrary cross-section shape with the B-B of step to the arbitrary cross-section shape;
The assembling structure of aforesaid step, wherein, described locking pin-and-hole is separately positioned on the boss both sides, is positioned at the horizontal center line place of step assembling through hole.
Locking pin is better to the step locating effect thus, and the load effect of stair fixing seat is also better;
The assembling structure of aforesaid step, wherein, the described substrate that installs has substrate fitting plane and location pilot hole, and this substrate fitting plane is used for combining with the fitting face of terraced frame, and this location pilot hole is used for fixing with terraced frame; The location pilot hole is configured in the top position of step assembling through hole 1 or 2,1 or 2 of the lower position of step assembling through hole.
Upper and lower thus four point locations are more suitable for step when being subjected to pedal force, the load better effects if of stair fixing seat;
The assembling structure of aforesaid step, wherein, one-body molded of described stair fixing seat, this stair fixing seat are the rubber-like nylon material; Locking pin is the glass fiber reinforced plastic material, and the locking pin-and-hole is an interference fits.
A kind of stair fixing seat comprises installing substrate, and wherein, along installing the one-body molded boss that substrate one side is protruded, the boss position has step assembling through hole, and it is used for combining with the end coupling of step; Also be provided with on the boss and can hold the locking pin-and-hole that locking pin crosses; Locking pin is by the end of locking pin-and-hole fixed ladder level.
Aforementioned stair fixing seat, wherein, described step assembling through hole is set to the model cavity with the step coupling.
Aforementioned stair fixing seat, wherein, described model cavity is meant the step assembling inner chamber that through hole became, its A-A is consistent to the arbitrary cross-section shape with the B-B of step to the arbitrary cross-section shape;
Aforementioned stair fixing seat, wherein, described locking pin-and-hole is separately positioned on the boss both sides, is positioned at the horizontal center line place of step assembling through hole.
Locking pin is better to the step locating effect thus, and the load effect of stair fixing seat is also better;
Aforementioned stair fixing seat, wherein, the described substrate that installs has substrate fitting plane and location pilot hole, and this substrate fitting plane is used for combining with the fitting face of terraced frame, and this location pilot hole is used for fixing with terraced frame; The location pilot hole is configured in the top position of step assembling through hole 1 or 2,1 or 2 of the lower position of step assembling through hole.
Upper and lower thus four point locations are more suitable for step when being subjected to pedal force, the load better effects if of stair fixing seat;
Aforementioned stair fixing seat, wherein, one-body molded of described stair fixing seat, this stair fixing seat are the nylon material with elasticity and moulding processability;
Aforementioned stair fixing seat, wherein, locking pin is the glass fiber reinforced plastic material, the locking pin-and-hole is an interference fits.
Aforementioned stair fixing seat, wherein, nylon material is nylon material PA66, claims polyhexamethylene adipamide or polyamide 66 or nylon 66 again;
Thus, make parts have more suitable elasticity and better moulding processability, this parts cost performance of this material is more excellent.
This case technical solution problem can also take following technical scheme further to realize:
The present invention compared with prior art has significant advantage and beneficial effect.
By above technical scheme as can be known, the present invention is under the structure configuration of excellence, have following advantage at least: the step that stretches into that the reasonable setting of this case stair fixing seat can allow the end of step coincide very much assembles the formed model cavity of through hole, make firm being combined as one component of step and stair fixing seat, can effectively simplify the assembly process of step and terraced frame, more convenient ladder maintenance; Stair fixing seat selects for use the slightly flexible stair fixing seat of nylon material one side to embrace tightlyer to step, also can effectively reduce annex causes damage to terraced frame chance on the other hand.The reasonable structure of this case can make manufacturing process more optimize, the industry of being more convenient for promotion and application.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is this case stair fixing seat structural representation;
Fig. 2 is the assembling structure schematic diagram that this case stair fixing seat combines with step;
Fig. 3 is a kind of embodiment organigram that this case step assembling structure combines with terraced frame;
Fig. 3 a is another embodiment organigram that this case step assembling structure combines with terraced frame.
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.
Shown in Fig. 1-3, a kind of assembling structure of step, comprise the step 1 that can be installed between terraced frame 4 and the terraced frame, wherein, the identical stair fixing seat 2 of two ends symmetry installation constitution of step, this stair fixing seat is by installing substrate 21 and constituting along the boss 22 that installs substrate one side protrusion, and boss is provided with the step assembling through hole 220 of ccontaining step end; Be provided with on the boss and can hold locking pin-and-hole 212a, the 212b that locking pin 24 crosses, locking pin 24 is used for by the locking pin-and-hole step and stair fixing seat being fixed as one; Step and terraced frame can directly be installed or disassemble by stair fixing seat thus, thereby the assembly technology of extension ladder is further optimized;
Install substrate and have substrate fitting plane 210 and location pilot hole 211, this substrate fitting plane is used for combining with the fitting face of terraced frame, and this location pilot hole is used for fixing with terraced frame; The location pilot hole is configured to 2 of step assembling through hole top positions, 2 of step assembling through hole lower positions, and four point locations are more suitable for step when being subjected to pedal force thus, the load better effects if of stair fixing seat;
Further, this step assembling through hole is set to the model cavity that is complementary with the step outer rim; Described model cavity is meant the step assembling inner chamber that through hole became, and its A-A is consistent to the arbitrary cross-section shape with the B-B of step to the arbitrary cross-section shape;
Further, the locking pin-and-hole is separately positioned on the boss both sides, is positioned at the horizontal center line place that step assembles through hole; Locking pin is better to the step locating effect thus, and the load effect of stair fixing seat is also better;
One-body molded of described stair fixing seat, this stair fixing seat are nylon material, as commercially available nylon material PA66, claim polyhexamethylene adipamide or polyamide 66 or nylon 66 again; So that parts have more suitable elasticity and better moulding processability, this parts cost performance of this material is more excellent;
Locking pin is selected the glass fiber reinforced plastic material for use, and with locking pin-and-hole interference fits;
This case stair fixing seat is not limited to be applied on the terraced frame as Chinese patent 200720097694.0 described extension ladders; This stair fixing seat also can be contained in terraced frame inboard, as shown in Figure 3; Also can be contained in the terraced frame outside, shown in Fig. 3 a, can mate the terraced frame table face that combines with the substrate that installs of stair fixing seat, just can use this case as long as terraced frame has.
The assembling structure of this case step penetrates the formed model cavity of step assembling through hole with the end of step, the glass fiber reinforced plastic locking pin by the locking pin-and-hole with step and firm the combining of stair fixing seat.Break habitual profiled holes being set or quoting bolt, the fixing mode of fixed cover of known technology on fixture, only just step and stair fixing seat can be fixed into a body member by a locking pin, make that the assembling of step and terraced frame is more simple and convenient, the locking pin of backing off during maintenance just can be changed step, can effectively reduce the chance that extension ladder ladder frame is caused any damage.
After the preferred embodiment that describes in detail, be familiar with this technology personage and can clearly understand, can carry out various variations and modification not breaking away under following claim and the spirit, and the present invention also is not subject to the embodiment of illustrated embodiment in the manual.
Claims (10)
1. the assembling structure of a step comprises step, it is characterized in that, the end configuration stair fixing seat of described step, this stair fixing seat installs substrate and boss constitutes by integrated, and the boss position has step assembling through hole, and it is used for combining with the end coupling of step; Also be provided with on the boss and can hold the locking pin-and-hole that locking pin crosses; Locking pin is by the end of locking pin-and-hole fixed ladder level.
2. the assembling structure of step as claimed in claim 1 is characterized in that, described step assembling through hole is set to the model cavity with the step coupling.
3. the assembling structure of step as claimed in claim 2 is characterized in that, described locking pin-and-hole is separately positioned on the boss both sides, is positioned at the horizontal center line place of step assembling through hole.
4. the assembling structure of step as claimed in claim 3 is characterized in that, the described substrate that installs has substrate fitting plane and location pilot hole, and this substrate fitting plane is used for combining with the fitting face of terraced frame, and this location pilot hole is used for fixing with terraced frame; The location pilot hole is configured in the top position of step assembling through hole 1 or 2,1 or 2 of the lower position of step assembling through hole.
5. the assembling structure of step as claimed in claim 4 is characterized in that, one-body molded of described stair fixing seat, this stair fixing seat are nylon material; Locking pin is the glass fiber reinforced plastic material, and the locking pin-and-hole is an interference fits.
6. a stair fixing seat comprises installing substrate, it is characterized in that, along installing the one-body molded boss that substrate one side is protruded, the boss position has step assembling through hole, and it is used for combining with the end coupling of step; Also be provided with on the boss and can hold the locking pin-and-hole that locking pin crosses; Locking pin is by the end of locking pin-and-hole fixed ladder level.
7. stair fixing seat as claimed in claim 6 is characterized in that, described step assembling through hole is set to the model cavity with the step coupling.
8. stair fixing seat as claimed in claim 7 is characterized in that, described locking pin-and-hole is separately positioned on the boss both sides, is positioned at the horizontal center line place of step assembling through hole.
9. stair fixing seat as claimed in claim 8 is characterized in that, the described substrate that installs has substrate fitting plane and location pilot hole, and this substrate fitting plane is used for combining with the fitting face of terraced frame, and this location pilot hole is used for fixing with terraced frame; The location pilot hole is configured in the top position of step assembling through hole 1 or 2,1 or 2 of the lower position of step assembling through hole.
10. stair fixing seat as claimed in claim 9 is characterized in that, one-body molded of described stair fixing seat, this stair fixing seat are nylon material; Locking pin is the glass fiber reinforced plastic material, and the locking pin-and-hole is an interference fits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010225392 CN101922283A (en) | 2010-07-14 | 2010-07-14 | Stair assembly structure and stair fixing seat thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010225392 CN101922283A (en) | 2010-07-14 | 2010-07-14 | Stair assembly structure and stair fixing seat thereof |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101525690A Division CN102661119A (en) | 2010-07-14 | 2010-07-14 | Assembly structure of ladder stair and ladder stair fixing seat thereof |
| CN2012101525351A Division CN102661118A (en) | 2010-07-14 | 2010-07-14 | Step fixing seat and assembling structure of step |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101922283A true CN101922283A (en) | 2010-12-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010225392 Pending CN101922283A (en) | 2010-07-14 | 2010-07-14 | Stair assembly structure and stair fixing seat thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101922283A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4036325A (en) * | 1975-06-30 | 1977-07-19 | Shakespeare Company | Rung assembly for a ladder and a method of making the rung assembly |
| CN2823524Y (en) * | 2005-09-30 | 2006-10-04 | 天津市金锚集团有限责任公司 | Ladder jointing structure |
| CN2823523Y (en) * | 2005-09-30 | 2006-10-04 | 天津市金锚集团有限责任公司 | Improved ladder jointing structure |
| WO2008139665A1 (en) * | 2007-05-15 | 2008-11-20 | Gop Kabushiki Kaisha | Ladder for access to cargo deck of truck |
| CN201695938U (en) * | 2010-07-14 | 2011-01-05 | 天津市金锚集团有限责任公司 | Assembling construction and fixing base of rung |
-
2010
- 2010-07-14 CN CN 201010225392 patent/CN101922283A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4036325A (en) * | 1975-06-30 | 1977-07-19 | Shakespeare Company | Rung assembly for a ladder and a method of making the rung assembly |
| CN2823524Y (en) * | 2005-09-30 | 2006-10-04 | 天津市金锚集团有限责任公司 | Ladder jointing structure |
| CN2823523Y (en) * | 2005-09-30 | 2006-10-04 | 天津市金锚集团有限责任公司 | Improved ladder jointing structure |
| WO2008139665A1 (en) * | 2007-05-15 | 2008-11-20 | Gop Kabushiki Kaisha | Ladder for access to cargo deck of truck |
| CN201695938U (en) * | 2010-07-14 | 2011-01-05 | 天津市金锚集团有限责任公司 | Assembling construction and fixing base of rung |
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Application publication date: 20101222 |