CN204552595U - Multi-functional folding ladder connector - Google Patents
Multi-functional folding ladder connector Download PDFInfo
- Publication number
- CN204552595U CN204552595U CN201520233436.5U CN201520233436U CN204552595U CN 204552595 U CN204552595 U CN 204552595U CN 201520233436 U CN201520233436 U CN 201520233436U CN 204552595 U CN204552595 U CN 204552595U
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- rotary table
- linking arm
- pin shaft
- central pin
- outer rotary
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Abstract
The utility model relates to a kind of Multi-functional folding ladder connector, comprise the first linking arm, second linking arm and latch assembly, first linking arm one end is provided with outer rotary table, second linking arm one end is provided with inner rotary table, outer rotary table is arranged on outside inner rotary table both sides, described latch assembly comprises central pin shaft, stop pin and bridge plate are put in side, central pin shaft and side are put stop pin and are connected by bridge plate, and central pin shaft length is greater than side puts stop pin length, central pin shaft runs through outer rotary table and is fixedly connected with knob with behind inner rotary table center, back-moving spring is provided with between the outer rotary table of knob side corresponding to it, described outer rotary table and inner rotary table surface are provided with locating hole around its center, and side is put stop pin and coordinated with locating hole grafting.This kind of Multi-functional folding ladder connector, by singlehanded control handle pressing bolt assembly, makes side put stop pin and leaves inside and outside rotating disk, then by rotating knob, thus drives latch assembly to rotate to an angle.
Description
Technical field
The utility model relates to a kind of interface unit, particularly a kind of Multi-functional folding ladder connector.
Background technology
Multi-functional folding ladder generally has more piece ladder to be connected by connector, and connector can bend to multiple angle, thus makes often to save ladder shape and have a certain degree, to change the purposes of ladder.Existing connector comprises the first linking arm, the second linking arm and latch assembly, and first linking arm one end is provided with outer rotary table, and second linking arm one end is provided with inner rotary table, and outer rotary table is arranged on outside inner rotary table both sides; Described latch assembly comprises central pin shaft, stop pin is put on side and bridge plate, central pin shaft and side are put stop pin and to be connected by bridge plate and central pin shaft length is greater than side puts stop pin length, central pin shaft runs through outer rotary table and is connected with button with behind inner rotary table center, described outer rotary table and inner rotary table surface are provided with locating hole around its center, and side is put stop pin and coordinated with locating hole grafting.This structure needs pressing bolt assembly on the other hand, makes side put stop pin and leaves locating hole, and the other end that another holds latch assembly controls its rotation, its troublesome poeration.
Utility model content
The purpose of this utility model is to provide a kind of simple and reasonable for structure, and easy to operate Multi-functional folding ladder connector, to overcome the deficiencies in the prior art.
The purpose of this utility model is achieved in that
A kind of Multi-functional folding ladder connector, comprise the first linking arm, second linking arm and latch assembly, first linking arm one end is provided with outer rotary table, second linking arm one end is provided with inner rotary table, outer rotary table is arranged on outside inner rotary table both sides, it is characterized in that: described latch assembly comprises central pin shaft, stop pin and bridge plate are put in side, central pin shaft and side are put stop pin and are connected by bridge plate, and central pin shaft length is greater than side puts stop pin length, central pin shaft runs through outer rotary table and is fixedly connected with knob with behind inner rotary table center, back-moving spring is provided with between the outer rotary table of knob side corresponding to it, described outer rotary table and inner rotary table surface are provided with locating hole around its center, and side is put stop pin and coordinated with locating hole grafting.
The purpose of this utility model can also adopt following technical measures to solve:
As a kind of scheme more specifically, be also provided with spring base between described back-moving spring and outer rotary table, back-moving spring is set in outside central pin shaft; Described spring base is shell-like, and one end that spring socket sleeve is located at the outer and corresponding back-moving spring of back-moving spring rotating disk is toward the outside provided with in-flanges, and back-moving spring is undertaken on in-flanges; The corresponding spring base of described knob is provided with cavity, and spring base coordinates with cavity linear slide, guarantees smoothness when knob pressing, reset.
Described outer rotary table and inner rotary table are by sleeve connection, and sleeve is through the center of outer rotary table and inner rotary table, and sleeve two ends are provided with flanging, outer rotary table and inner rotary table spacing between the flanging at sleeve two ends; Described central pin shaft is located in bushing core.
Described side is put stop pin and is provided with two and is symmetricly set on central pin shaft both sides; Outer rotary table both side surface is corresponding other respectively puts stop pin and is provided with the first locating hole and the second locating hole, and inner rotary table correspondence is other puts stop pin and be provided with at least two groups the 3rd locating hole.
Described central pin shaft one end is put stop pin by bridge plate and side and is connected, and the central pin shaft other end is fixedly connected with knob, and outer rotary table is provided with described second locating hole towards the side of bridge plate, and the second locating hole is circular hole.
Described central pin shaft other end periphery is respectively equipped with tangent plane and annular slot, and the corresponding central pin shaft other end in knob center is provided with stepped hole, and the central pin shaft other end is connected with its annular slot by snap ring through after stepped hole.
Lid is provided with outside the stepped hole at described knob center.
Described first linking arm and the second linking arm are formed by connecting by two pieces of panel beatings, and wherein, a panel beating is provided with location flange, and another panel beating correspondence location flange is provided with aligning receptacle and location flange location fit.
Described first linking arm and the second linking arm external surface are provided with tight fit projection and connecting hole.
The other end of described first linking arm and the second linking arm forms open ports, and open ports edge is provided with interior curving flange.Interior curving flange has certain guide effect, so that insert in the sleeve pipe of ladder; In addition, after interior curving flange bending, the burr of sheet metal component otch is avoided to expose, effectively pre-anti-scratch hand.
The beneficial effects of the utility model are as follows:
This kind of Multi-functional folding ladder connector is by knob pressing bolt assembly, make side put stop pin and leave inside and outside rotating disk, then by rotating knob, thus drive latch assembly to rotate to an angle, stop pin is put on side and locating hole staggers, i.e. swingable first linking arm and the second linking arm, organize locating hole with another aim at until stop pin is put on side, side is put stop pin reset and is coordinated with locating hole, realize the adjustment of connector angle, it is easy to operate, singlehandedly can control axial-movement and the circular motion of latch assembly.
Accompanying drawing explanation
Fig. 1 is the utility model one embodiment decomposition texture schematic diagram.
Fig. 2 is first, second linking arm decomposition texture schematic diagram in the utility model.
Fig. 3 is an angled arrangement schematic diagram after Fig. 1 assembles.
Fig. 4 is another angled arrangement schematic diagram after Fig. 1 assembles.
Fig. 5 to Fig. 8 is the multiple matching relationship structural representation of first, second linking arm in the utility model.
Fig. 9 is the structural representation of the utility model when being applied to folding ladder.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
See shown in Fig. 1 to Fig. 4, a kind of Multi-functional folding ladder connector 10, comprise the first linking arm 2, second linking arm 3 and latch assembly 1, first linking arm 2 one end is provided with outer rotary table 25, second linking arm 3 one end is provided with inner rotary table 31, outer rotary table 25 is arranged on outside inner rotary table 31 both sides, described latch assembly 1 comprises central pin shaft 12, stop pin 11 and bridge plate 13 are put in side, central pin shaft 12 and side are put stop pin 11 and are connected by bridge plate 13, and central pin shaft 12 length is greater than side puts stop pin 11 length, central pin shaft 12 runs through outer rotary table 25 and is fixedly connected with knob 7 with behind inner rotary table 31 center, back-moving spring 6 is provided with between the outer rotary table 25 of knob 7 side corresponding to it, described outer rotary table 25 and inner rotary table 31 surface are provided with locating hole around its center, and side is put stop pin 11 and coordinated with locating hole grafting.
Also be provided with spring base 5 between described back-moving spring 6 and outer rotary table 25, back-moving spring 6 is set in outside central pin shaft 12; Described spring base 5 is in shell-like, and one end that spring base 5 is set in the outer and corresponding back-moving spring 6 of back-moving spring 6 rotating disk 25 is toward the outside provided with in-flanges, and back-moving spring 6 is undertaken on in-flanges; The corresponding spring base 5 of described knob 7 is provided with cavity, and spring base 5 coordinates with cavity linear slide.
Described outer rotary table 25 is connected by sleeve 4 with inner rotary table 31, and sleeve 4 is through the center of outer rotary table 25 and inner rotary table 31, and sleeve 4 two ends are provided with flanging, outer rotary table 25 and inner rotary table 31 spacing between the flanging at sleeve 4 two ends; Described central pin shaft 12 is located in sleeve 4 intracardiac.
Described side is put stop pin 11 and is provided with two and is symmetricly set on central pin shaft 12 both sides; Outer rotary table 25 both side surface is corresponding other respectively puts stop pin 11 and is provided with the first locating hole 24 and the second locating hole 21, and inner rotary table 31 is corresponding otherly to be put stop pin 11 and be provided with at least two groups the 3rd locating hole 32.
Described central pin shaft 12 one end is put stop pin 11 by bridge plate 13 and side and is connected, and central pin shaft 12 other end is fixedly connected with knob 7, and it is circular hole that outer rotary table 25 is provided with described second locating hole 21, second locating hole 21 towards the side of bridge plate 13.
Described central pin shaft 12 other end periphery is respectively equipped with tangent plane 121 and annular slot 122, and corresponding central pin shaft 12 other end in knob 7 center is provided with stepped hole 71, and central pin shaft 12 other end is connected with its annular slot 122 by snap ring 8 through after stepped hole 71.
Lid 9 is provided with outside the stepped hole 71 at described knob 7 center.
Described first linking arm 2 and the second linking arm 3 are formed by connecting by two pieces of panel beatings, and wherein, a panel beating is provided with location flange 35, and another panel beating correspondence location flange 35 is provided with aligning receptacle 33 and location flange 35 location fit.
Described first linking arm 2 and the second linking arm 3 external surface are provided with tight fit protruding 23 and connecting hole 22.
The other end of described first linking arm 2 and the second linking arm 3 forms open ports, and open ports edge is provided with interior curving flange 34.
Shown in Figure 5, be the state that connector 10 launches completely; Shown in Fig. 6 and Fig. 7, it is the state that connector 10 is bending; Shown in Figure 8, be the state that connector 10 folds completely.
Shown in composition graphs 9, above-mentioned connector 10 is connected with ladder 20 with the second linking arm 3 by its first linking arm 2.
Its operating principle is: by pressing knob 7, the side of latch assembly 1 is put in stop pin 11 leaves, outer rotary table, then by rotating knob 7, thus drive latch assembly 1 to rotate to an angle, side is put stop pin 11 first locating hole 24 and the 3rd location 32 and is staggered and fall into the second locating hole 21(arcuate socket) i.e. swingable first linking arm 2 and the second linking arm 3, second locating hole 21 promotes latch assembly 1 and rotates, organize locating hole (another organizes the first locating hole and the 3rd locating hole) with another aim at until stop pin 11 is put on side, side is put stop pin 11 and is resetted under back-moving spring 6 acts on, and coordinate with locating hole, realize the adjustment of connector 10 angle.
Claims (10)
1. a Multi-functional folding ladder connector, comprise the first linking arm, second linking arm and latch assembly, first linking arm one end is provided with outer rotary table, second linking arm one end is provided with inner rotary table, outer rotary table is arranged on outside inner rotary table both sides, it is characterized in that: described latch assembly comprises central pin shaft, stop pin and bridge plate are put in side, central pin shaft and side are put stop pin and are connected by bridge plate, and central pin shaft length is greater than side puts stop pin length, central pin shaft runs through outer rotary table and is fixedly connected with knob with behind inner rotary table center, back-moving spring is provided with between the outer rotary table of knob side corresponding to it, described outer rotary table and inner rotary table surface are provided with locating hole around its center, and side is put stop pin and coordinated with locating hole grafting.
2. Multi-functional folding ladder connector according to claim 1, it is characterized in that: be also provided with spring base between described back-moving spring and outer rotary table, back-moving spring is set in outside central pin shaft;
Described spring base is shell-like, and one end that spring socket sleeve is located at the outer and corresponding back-moving spring of back-moving spring rotating disk is toward the outside provided with in-flanges, and back-moving spring is undertaken on in-flanges;
The corresponding spring base of described knob is provided with cavity, and spring base coordinates with cavity linear slide.
3. Multi-functional folding ladder connector according to claim 1, it is characterized in that: described outer rotary table and inner rotary table pass through sleeve connection, sleeve is through the center of outer rotary table and inner rotary table, and sleeve two ends are provided with flanging, outer rotary table and inner rotary table spacing between the flanging at sleeve two ends; Described central pin shaft is located in bushing core.
4. Multi-functional folding ladder connector according to claim 1, is characterized in that: described side is put stop pin and is provided with two and is symmetricly set on central pin shaft both sides; Outer rotary table both side surface is corresponding other respectively puts stop pin and is provided with the first locating hole and the second locating hole, and inner rotary table correspondence is other puts stop pin and be provided with at least two groups the 3rd locating hole.
5. Multi-functional folding ladder connector according to claim 4, it is characterized in that: described central pin shaft one end is put stop pin by bridge plate and side and is connected, the central pin shaft other end is fixedly connected with knob, outer rotary table is provided with described second locating hole towards the side of bridge plate, and the second locating hole is circular hole.
6. Multi-functional folding ladder connector according to claim 5, it is characterized in that: described central pin shaft other end periphery is respectively equipped with tangent plane and annular slot, the corresponding central pin shaft other end in knob center is provided with stepped hole, and the central pin shaft other end is connected with its annular slot by snap ring through after stepped hole.
7. Multi-functional folding ladder connector according to claim 5, is characterized in that: be provided with lid outside the stepped hole at described knob center.
8. Multi-functional folding ladder connector according to claim 1, it is characterized in that: described first linking arm and the second linking arm are formed by connecting by two pieces of panel beatings, wherein, a panel beating is provided with location flange, and another panel beating correspondence location flange is provided with aligning receptacle and location flange location fit.
9. Multi-functional folding ladder connector according to claim 8, is characterized in that: described first linking arm and the second linking arm external surface are provided with the protruding and connecting hole of tight fit.
10. Multi-functional folding ladder connector according to claim 9, is characterized in that: the other end of described first linking arm and the second linking arm forms open ports, and open ports edge is provided with interior curving flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520233436.5U CN204552595U (en) | 2015-04-17 | 2015-04-17 | Multi-functional folding ladder connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520233436.5U CN204552595U (en) | 2015-04-17 | 2015-04-17 | Multi-functional folding ladder connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204552595U true CN204552595U (en) | 2015-08-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520233436.5U Active CN204552595U (en) | 2015-04-17 | 2015-04-17 | Multi-functional folding ladder connector |
Country Status (1)
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|---|---|
| CN (1) | CN204552595U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618261A (en) * | 2016-12-16 | 2017-05-10 | 郭艳容 | Portable folding barbecue grill |
| CN110319111A (en) * | 2019-08-09 | 2019-10-11 | 福州大学 | A kind of more detent linkages of bolt-type and its working method |
| CN110332221A (en) * | 2019-08-09 | 2019-10-15 | 福州大学 | Pressure-rotary multi-angle hinge and its detent method |
| CN112431299A (en) * | 2020-11-11 | 2021-03-02 | 刘战军 | Water pipe bursts emergent drainage device |
| CN113173193A (en) * | 2021-04-19 | 2021-07-27 | 中车青岛四方车辆研究所有限公司 | Anti-creep energy-absorbing device |
-
2015
- 2015-04-17 CN CN201520233436.5U patent/CN204552595U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618261A (en) * | 2016-12-16 | 2017-05-10 | 郭艳容 | Portable folding barbecue grill |
| CN110319111A (en) * | 2019-08-09 | 2019-10-11 | 福州大学 | A kind of more detent linkages of bolt-type and its working method |
| CN110332221A (en) * | 2019-08-09 | 2019-10-15 | 福州大学 | Pressure-rotary multi-angle hinge and its detent method |
| CN110319111B (en) * | 2019-08-09 | 2023-05-16 | 福州大学 | Bolt type multi-clamping hinge mechanism and working method thereof |
| CN112431299A (en) * | 2020-11-11 | 2021-03-02 | 刘战军 | Water pipe bursts emergent drainage device |
| CN113173193A (en) * | 2021-04-19 | 2021-07-27 | 中车青岛四方车辆研究所有限公司 | Anti-creep energy-absorbing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |