CN214091669U

CN214091669U - Diagonal bracing structure for extension ladder

Info

Publication number: CN214091669U
Application number: CN202022652287.XU
Authority: CN
Inventors: 胡磊
Original assignee: Zhejiang Yongan Deli Industry & Trade Co ltd
Current assignee: Zhejiang Yongan Deli Industry & Trade Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-08-31
Anticipated expiration: 2030-11-17

Abstract

The utility model belongs to the technical field of extension ladder, refer in particular to an bracing structure for extension ladder. Including the extension ladder, the extension ladder includes left pole setting and right pole setting, and left pole setting and right pole setting are formed by the telescopic link that a plurality of sections can stretch out and draw back each other respectively, are provided with a plurality of ladder footboards between left pole setting and the right pole setting, the both sides of extension ladder all are provided with the bracing subassembly, the bracing subassembly is including setting up last installed part, the installed part down on the ladder footboard, one end is connected the bracing piece on last installed part and is used for connecting down the steady pull rod at installed part and bracing piece middle part, goes up the installed part and installs on the ladder footboard of difference with installed part down. The side support assemblies are installed on two sides of the ladder main body, so that the stress surface of the bottom of the ladder is wider, the ladder can be more stable, shaking is reduced, the safety performance of the ladder can be greatly improved, potential safety hazards are reduced, and particularly when no person helps to hold the ladder, the stability of the ladder is particularly important.

Description

Diagonal bracing structure for extension ladder

Technical Field

The utility model belongs to the technical field of extension ladder, refer in particular to an bracing structure for extension ladder.

Background

The ladder is people's daily life apparatus, people can use the ladder to take and put the thing at the eminence usually, the ladder is more the thing commonly used in fitment and building trade, the ladder of commonly used has many forms like straight ladder, extension ladder etc. but no matter which kind of ladder, because of its operational environment's particularity, the user all can regard the security very much when using, with the personal safety of guarantee oneself, the security of ladder, most main still the stability of ladder when using, whether can rock, therefore, the application provides a better ladder of stability.

At present, an extension ladder with a supporting component is also appeared in the market, the structure of the extension ladder is that the supporting component is externally connected on the basis of the original extension ladder, but the support assemblies are attached to the uprights of the ladder, which has corresponding problems, because the vertical rod of the extension ladder is composed of a plurality of sections of telescopic circular tubes which are sleeved, the pipe diameters of the telescopic circular tubes of all sections are definitely different, the telescopic circular tubes at the lower part have larger pipe diameters and the telescopic circular tubes at the upper part have smaller pipe diameters, furthermore, the ladders in the market are various, and the sizes and the heights of the vertical rods are different, so that different hoops or plastic parts are required to be fixed on the vertical rods of the extension ladders when the supporting components are fixed at different positions, it is costly for the manufacturer to manufacture different molds for different ladders to make different sizes of connectors. The support assembly is less adaptable than a user.

Disclosure of Invention

The utility model aims at providing a simple structure, the suitability is good, low in production cost's an inclined strut structure for extension ladder.

The purpose of the utility model is realized like this:

the utility model provides a bracing structure for extension ladder, includes extension ladder, and extension ladder includes left pole setting and right pole setting, and left pole setting and right pole setting are constituteed by the telescopic link that a plurality of sections can stretch out and draw back each other respectively, are provided with a plurality of ladder footboards between left pole setting and the right pole setting, extension ladder's both sides all are provided with the bracing subassembly, the bracing subassembly is including setting up last installed part, the installed part down on the ladder footboard, one end is connected the bracing piece on last installed part and is used for connecting down the stabilizer link at installed part and bracing piece middle part, goes up the installed part and installs on the ladder footboard of difference with installed part down.

Further, offer the first mounting groove that is used for connecting the ladder footboard on the last installed part, the side shaping of first mounting groove has first connecting portion, and first connecting portion are used for being connected with the tip of bracing piece.

Further, offer the second mounting groove that is used for connecting the ladder footboard on the installed part down, the side shaping of second mounting groove has second connecting portion, and second connecting portion are used for being connected with stabilizer link.

Furthermore, a pull rod fixing part is fixedly arranged in the middle of the supporting rod, and one end of the stabilizing pull rod is fixed on the pull rod fixing part.

Furthermore, the bracing piece includes a plurality of flexible pipes of establishing each other cover to can realize the flexible of bracing piece and accomodate.

Furthermore, a fixing screw is arranged on the second connecting portion, and a quick-release buckle matched with the fixing screw is arranged at the end of the stabilizing pull rod.

Further, quick detach buckle is including seting up in the card hole of stabilizing the pull rod front end, the card hole is formed by a macropore and a pore combination, and the diameter of set screw tip is greater than the pore diameter and is less than macroporous diameter, still sets up in the locking buckle of stabilizing the pull rod front end including rotating, and the front end of locking buckle is located the card hole department, and when set screw passed the card downthehole, the locking buckle can drive fixation nut and get into to the pore in, prevents to break away from.

Furthermore, the rear end shaping of locking buckle has drive division, the shaping of stable pull rod front end has butt portion, is provided with the elastic component between drive division and the butt portion.

Furthermore, the stabilizing pull rod comprises a plurality of connecting rods hinged with each other, so that the stabilizing pull rod can be folded in a rotating mode.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model discloses a bracing structure for on extension ladder through the both sides installation side brace subassembly at the ladder main part, makes the stress surface of ladder bottom wider, can make the ladder more stable, reduces and rocks, can promote the security performance of ladder greatly, reduces the potential safety hazard, especially when nobody helps to hold up the ladder, the stability of ladder is especially important. The ladder comprises an upper mounting part and a lower mounting part which are arranged on a ladder pedal of the extension ladder, wherein a supporting rod with a main supporting function is arranged on the upper mounting part, a stabilizing pull rod is connected to the middle parts of the lower mounting part and the supporting rod to form a triangular support, and the ladder is integrally more stable. Be different from prior art's nuclear core point lie in will going up the installed part and install on the ladder footboard with lower installed part, the effect that plays is general for the width size of ladder footboard, in same ladder or same type ladder, its ladder footboard all is the same, thereby make the suitability of supporting component installation better, can be with different according to the ladder style, the height difference, adjust its mounted position, in order to reach better support stable effect, because the telescopic ladder installation supporting component's of not co-altitude difference plays corresponding effect also different. The utility model provides a ladder footboard is installed to installed part in the past in the extension ladder pole setting to this application to reduce manufacturing cost, the installed part need not to make multiple size, and the suitability is better, can use on the extension ladder of difference.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic structural diagram of the present invention.

Fig. 4 is a schematic structural diagram of the middle diagonal bracing assembly of the present invention.

Fig. 5 is a schematic structural diagram of the upper mounting member of the present invention.

Fig. 6 is a schematic structural view of the lower mounting member of the present invention.

Fig. 7 is a schematic structural diagram of a connecting rod according to the present invention.

Fig. 8 is a second schematic structural view of the connecting rod of the present invention.

The reference numerals in the figures denote the meanings:

1-left upright stanchion; 2-right upright stanchion; 3, a telescopic rod; 4-ladder step; 6-upper mounting piece; 7-a lower mount; 8-a support bar; 9-stabilizing the pull rod; 10-a first mounting groove; 11-a first connection; 12-a second mounting groove; 13-a second connection; 14-a tie rod fixing part; 15-a telescopic tube; 16-a set screw; 17-quick-release buckle; 18-a card hole; 19-locking a buckle; 20-a drive section; 21-an abutment; 22-connecting rod.

Detailed Description

The invention will be further described with reference to specific embodiments below:

the utility model provides a bracing structure for extension ladder, includes extension ladder, and extension ladder includes left pole setting 1 and right pole setting 2, and left pole setting 1 and right pole setting 2 are formed by a plurality of sections telescopic link 3 that can stretch out and draw back each other respectively, are provided with a plurality of ladder footboard 4 between left pole setting 1 and the right pole setting 2, extension ladder's both sides all are provided with the bracing subassembly, the bracing subassembly is including setting up last installed part 6 on ladder footboard 4, installed part 7 down, one end connect bracing piece 8 on last installed part 6 and be used for connecting down the stabilizing pull rod 9 at installed part 7 and bracing piece 8 middle part, goes up installed part 6 and installed part 7 down and installs on different ladder footboard 4.

The utility model discloses a bracing structure for on extension ladder through the both sides installation side brace subassembly at the ladder main part, makes the stress surface of ladder bottom wider, can make the ladder more stable, reduces and rocks, can promote the security performance of ladder greatly, reduces the potential safety hazard, especially when nobody helps to hold up the ladder, the stability of ladder is especially important. The concrete structure has included installed part 6 and lower installed part 7 on the ladder footboard 4 of extension ladder, and the bracing piece 8 that plays main support function is installed on last installed part 6, stabilize pull rod 9 and connect in the middle part of installed part 7 and bracing piece 8 down, form the triangular supports, let the ladder whole more stable. Be different from prior art's nuclear core point and lie in installing on ladder footboard 4 with installed part 7 down, the effect of playing is general for the width dimension of ladder footboard 4, in same ladder or same type ladder, its ladder footboard 4 all is the same, thereby the suitability that makes the supporting component installation is better, can be with different according to the ladder style, the height difference, adjust its mounted position, in order to reach better support stable effect, because the telescopic ladder installation supporting component's of not co-altitude difference plays corresponding effect also different. The utility model provides a ladder footboard 4 is installed to installed part in the past in the extension ladder pole setting to this application to reduce manufacturing cost, the installed part need not to make multiple size, and the suitability is better, can use on the extension ladder of difference.

The utility model discloses an optimal scheme does, go up and offer the first mounting groove 10 that is used for connecting ladder footboard 4 on the installed part 6, the side shaping of first mounting groove 10 has first connecting portion 11, and first connecting portion 11 is used for being connected with the tip of bracing piece 8. The size of the notch of the first mounting groove 10 is the same as that of the pedal 4 of the conventional ladder on the market, so that the support assembly can be mounted on different extension ladders, and the applicability is good.

The utility model discloses an optimal scheme does, offer the second mounting groove 12 that is used for connecting ladder footboard 4 on the installed part 7 down, the side shaping of second mounting groove 12 has second connecting portion 13, and second connecting portion 13 is used for being connected with stabilizer link 9. The size of the notch of the second mounting groove 12 is the same as the size of the pedal 4 of the conventional ladder on the market, so that the support assembly can be mounted on different extension ladders, and the applicability is good.

The utility model discloses an optimal scheme does, the fixed pull rod fixed part 14 that is provided with in middle part of bracing piece 8, the one end of stabilizing pull rod 9 is fixed in on the pull rod fixed part 14. It is convenient to fix and the later period is convenient to disassemble.

The utility model discloses an optimal scheme does, bracing piece 8 includes a plurality of flexible pipes 15 of establishing of overlapping each other to can realize that 8 flexible accomodations of bracing piece. When the extension ladder is not used, the supporting component can be stored together with the extension ladder, and the space is not occupied.

The utility model discloses a preferred scheme does, be provided with set screw 16 on the second connecting portion 13, the tip of stabilizing the pull rod 9 be provided with set screw 16 complex quick detach buckle 17.

The utility model discloses an optimal scheme does, quick detach buckle 17 is including seting up in the card hole 18 of stabilizing the pull rod 9 front end, card hole 18 is formed by a macropore and a pore combination, and the diameter of set screw 16 tip is greater than the pore diameter and is less than macroporous diameter, still sets up in the locking buckle 19 of stabilizing the pull rod 9 front end including rotating, and the front end of locking buckle 19 is located card hole 18 department, and when set screw 16 passed card downthehole 18, locking buckle 19 can drive fixation nut and get into to the aperture in, prevent to break away from.

The utility model discloses an optimal scheme does, the rear end shaping of locking buckle 19 has drive division 20, the shaping of stabilizer link 9 front end has butt portion 21, is provided with the elastic component between drive division 20 and the butt portion 21. When the stabilizing pull rod is used, the driving part 20 and the abutting part 21 are pressed, the locking buckle 19 is opened, the large hole is manually moved to the fixing screw 16, and the front end of the stabilizing pull rod 9 can be detached from the lower mounting piece 7.

The utility model discloses a preferred scheme does, stabilizer link 9 includes that a plurality of articulated connecting rods 22 each other constitute, makes stabilizer link 9 can rotate foldingly.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a bracing structure for extension ladder, includes extension ladder, and extension ladder includes left pole setting and right pole setting, and left pole setting and right pole setting are formed by the telescopic link that a plurality of sections can stretch out and draw back each other respectively, are provided with a plurality of ladder footboards, its characterized in that between left pole setting and the right pole setting: the both sides of extension ladder all are provided with the bracing subassembly, the bracing subassembly is including setting up last installed part on the ladder footboard, installed part down, and one end is connected the bracing piece on last installed part and is used for connecting down the stabilizer link at installed part and bracing piece middle part, goes up the installed part and installs on the ladder footboard of difference with installed part down.

2. A bracing structure for a telescopic ladder according to claim 1, wherein: last the last first mounting groove of offering the ladder footboard that is used for connecting of installed part, the side shaping of first mounting groove has first connecting portion, and first connecting portion are used for being connected with the tip of bracing piece.

3. A bracing structure for a telescopic ladder according to claim 1, wherein: offer the second mounting groove that is used for connecting the ladder footboard on the installed part down, the side shaping of second mounting groove has second connecting portion, and second connecting portion are used for being connected with stabilizer link.

4. A bracing structure for a telescopic ladder according to any one of claims 1 to 3, wherein: the middle part of the supporting rod is fixedly provided with a pull rod fixing part, and one end of the stabilizing pull rod is fixed on the pull rod fixing part.

5. A bracing structure for a telescopic ladder according to any one of claims 1 to 3, wherein: the bracing piece includes a plurality of flexible pipes of establishing each other cover to can realize the flexible of bracing piece and accomodate.

6. A bracing structure for a telescopic ladder according to claim 3, wherein: the second connecting portion is provided with a fixing screw, and the end portion of the stabilizing pull rod is provided with a quick-release buckle matched with the fixing screw.

7. A bracing structure for a telescopic ladder according to claim 6, wherein: the quick detach buckle is including seting up in the card hole of stabilizing the pull rod front end, the card hole is formed by a macropore and a pore combination, and the diameter of set screw tip is greater than the pore diameter and is less than macroporous diameter, still sets up in the locking buckle of stabilizing the pull rod front end including rotating, and the front end of locking buckle is located the card hole department, and when set screw passed the card downthehole, the locking buckle can drive fixation nut and get into to the aperture in, prevents to break away from.

8. A bracing structure for a telescopic ladder according to claim 7, wherein: the rear end molding of locking buckle has drive division, the shaping of stable pull rod front end has butt portion, is provided with the elastic component between drive division and the butt portion.

9. A bracing structure for a telescopic ladder according to any of claims 6-8, wherein: the stabilizing pull rod comprises a plurality of connecting rods hinged with each other, so that the stabilizing pull rod can be folded in a rotating way.