CN216197803U

CN216197803U - Ladder hook and ladder

Info

Publication number: CN216197803U
Application number: CN202122496543.5U
Authority: CN
Inventors: 舒跃祖
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-04-05
Anticipated expiration: 2031-10-15

Abstract

The utility model provides a ladder couple and ladder, ladder couple includes couple body, mounting and connecting piece, and the mounting can be fixed and set up on the ladder, and the couple body has interconnect's hook-shaped section and canned paragraph, and the connecting piece rotationally sets up on the mounting, and canned paragraph can set up on the connecting piece around its axis rotation ground, and the rotation axis and the canned paragraph of connecting piece are arranged perpendicularly, at the operating condition of ladder couple: the hook body is unfolded forwards and the hook-shaped section faces downwards, when the hook body needs to be folded, the hook body is rotated to enable the fixed section to rotate 90 degrees around the axis of the fixed section, the hook-shaped section can face the side face, the connecting piece is rotated 180 degrees by swinging the hook body, the hook body can be overlapped with a ladder, and therefore the hook body can be folded and stored.

Description

Ladder hook and ladder

Technical Field

The utility model relates to a ladder hook and a ladder.

Background

Chinese patent document CN109779513A discloses a safety hanging ladder for building construction, which comprises a first ladder body and a second ladder body movably connected by a sliding chute and a sliding rail, wherein a fixing buckle is arranged at the top end of the first ladder body, and the fixing buckle can fix the first ladder body and the second ladder body; threaded columns are embedded in the left side and the right side of the first ladder body, an anti-skid device is arranged at the bottom of the first ladder body, clamping rings and fastening knobs are mounted on the threaded columns, the fastening knobs are fixed on the outer sides of the clamping rings, supporting frames are arranged on the clamping rings, a third ladder body is arranged at the top of the second ladder body, the second ladder body is in supporting connection with the third ladder body through a connecting device, a hook is connected to the top of the third ladder body, and a stop head is arranged at the end part of the hook; pedals are fixed on the first ladder body, the second ladder body and the third ladder body. The hook of the ladder with the structure is of an unfoldable structure, and is not beneficial to the storage of the hook.

Disclosure of Invention

The utility model aims to provide a ladder hook capable of being folded and stored and a ladder aiming at the defects of the prior art.

The purpose of the utility model is realized by the following technical scheme:

a ladder couple which characterized in that: including couple body, mounting and connecting piece, the mounting can be fixed and set up on the ladder, and the couple body has interconnect's hook-shaped section and canned paragraph, and the connecting piece rotationally sets up on the mounting, and the canned paragraph can set up on the connecting piece around its axis with rotating, and the axis of rotation and canned paragraph of connecting piece are arranged perpendicularly, and the mounting is fixed at the top of ladder, and the couple body passes through the connecting piece to be connected with the mounting, at the operating condition of ladder couple: the hook body is unfolded forwards and the hook-shaped section faces downwards, when the hook body needs to be folded, the hook body is rotated to enable the fixed section to rotate 90 degrees around the axis of the fixed section, the hook-shaped section can face the side face, the connecting piece is rotated 180 degrees by swinging the hook body, the hook body can be overlapped with a ladder, and therefore the hook body can be folded and stored.

The connecting piece is provided with a positioning hole extending along the rotation axis of the connecting piece, the fixing piece is provided with a rotating shaft which is pivotally connected with the positioning hole, the connecting piece is provided with a first gear ring surrounding the positioning hole, the fixing piece is provided with a second gear ring meshed with the first gear ring, the rotating shaft is provided with a yielding hole which is communicated along the axial direction of the rotating shaft, the connecting piece is connected to the fixing piece through a first bolt which is matched with the first nut after penetrating through the positioning hole and the yielding hole, the reliable rotation of the connecting piece can be realized through the pivotal connection of the positioning hole and the rotating shaft, and the connecting piece can be reliably kept in the adjusted state through the meshing of the first gear ring and the second gear ring, when the connecting piece needs to swing and adjust along with the hook body, the first bolt is loosened to enable the connecting piece to be in a swinging state, after the adjustment is completed, the first bolt is locked to enable the first gear ring to be meshed with the second gear ring, so that the connecting piece can be reliably kept in the adjusted state.

The connecting piece is the body, the canned paragraph lower extreme is formed with the rotation section that extends along its length direction, and the rotation section passes the body and can rotate relative to the body, and the rotation of canned paragraph is realized through body and rotation section cooperation, and the external diameter of rotation section slightly is less than the internal diameter of body, can make the canned paragraph have certain rotation resistance like this, can keep fixed not rotating after the canned paragraph rotates the regulation.

The rotating section is provided with a screw rod extending along the axial direction of the rotating section, a limit washer is sleeved on the screw rod, the screw rod is matched with a second nut after penetrating through the limit washer to press the limit washer at the lower end of the rotating section, the outer diameter of the limit washer is larger than the inner diameter of the pipe body, the rotating section penetrates through the pipe body during assembly, then the limit washer is sleeved on the screw rod from the lower end of the pipe body and is locked and fixed through the second nut, and the rotating section can be prevented from being separated from the pipe body due to the fact that the outer diameter of the limit washer is larger than the inner diameter of the pipe body, and product assembly is facilitated.

The connecting part extending downwards is formed on one side of the lower end of the pipe body, the positioning hole is formed in the connecting part, and the second nut can be avoided as the connecting part extends downwards.

The mounting is for having open-ended annular enclasping spare, and the annular enclasping spare is formed with two jam plates that distribute in opening both sides and mutual locking connection of third nut, and when second bolt and third nut were locked, the annular enclasping spare was just enclasped tightly on the horizontal pole at ladder top, realized the fixed of mounting to can be when not needing the ladder couple, pull down the mounting from the horizontal pole.

The opening of the annular clasping member is formed at the lower end thereof, and the annular clasping member is rotatably connected with the connecting member at the upper end thereof.

The utility model provides a ladder, includes two ladder assemblies, ladder assembly includes two parallel relative montants and connects the horizontal footboard between two montants, and the upper end of two ladder assemblies is articulated each other makes its deployable to rectilinear state or chevron shape state, its characterized in that: still include the ladder couple, be provided with the horizontal pole between the lower extreme of two montants of one of them ladder subassembly, the mounting is fixed to be set up on the horizontal pole, expands to the chevron shape state when two ladder subassemblies, when using as the herringbone ladder, the couple body is in the folding state of accomodating, does not influence the use of herringbone ladder, and when not using, the couple body can be folded and accomodate, is convenient for save and transport, and when two ladder subassemblies expand to rectilinear state, the couple body expands forward to the user state, can make the fixed more reliable at ladder top through this couple body.

A ladder, includes the ladder subassembly, the ladder subassembly includes two parallel relative montants and connects the horizontal footboard between two montants, its characterized in that: still include the ladder couple, be provided with the horizontal pole between the upper end of two montants of ladder subassembly, the mounting is fixed to be set up on the horizontal pole, and the couple body expands forward to user state, can make the fixed more reliable at ladder top through this couple body, and when not using, the couple body can be folded and accomodate, be convenient for storage and transportation.

The vertical rod is a telescopic rod, so that the whole ladder can be folded and stored in a telescopic mode, and the ladder is convenient to store and transport.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Figure 1 is a collapsed view of the ladder of the present invention.

Figure 2 is a deployed view of the ladder of the present invention.

Fig. 3 is a connection structure diagram of a ladder hook and a cross bar.

Figure 4 is an exploded view of the components of the ladder hook.

Fig. 5 is a perspective view of the connector.

FIG. 6 is a cross-sectional view of a ladder hanger embodying a connection structure of a rotating section, a connecting member and a fixing member.

Detailed Description

Referring to fig. 1 to 6, a ladder comprises two ladder components 4 and two ladder hooks A, each ladder component 4 comprises two vertical rods 41 which are opposite in parallel and a transverse pedal 42 connected between the two vertical rods 41, the upper ends of the two ladder components 4 are hinged to each other through a hinge mechanism 5 to enable the ladder components to be unfolded to be in a linear state or a herringbone state, a cross rod 43 is arranged between the lower ends of the two vertical rods 41 of one ladder component 5, the two ladder hooks A are fixedly arranged on the cross rod 43 at intervals, the cross section of the cross rod 43 is rectangular, anti-skid members 431 are arranged at two ends of the cross rod 43, the anti-skid members 431 are provided with anti-skid structures 4311 contacting the ground, the specific anti-skid structures are multi-skid grooves, the vertical rods 41 are telescopic rods, the whole ladder can be folded and stored in a telescopic mode, and storage and transportation of the ladder are facilitated.

The ladder hook A comprises a hook body 1, a fixing part and a connecting part, wherein the fixing part is an annular holding part 3 matched with the cross rod 43, the connecting part is a pipe body 2, an opening 322 is formed at the lower end of the annular holding part 3, an adapter part 31 is formed at the upper end of the annular holding part 3, two locking plates 32 which are distributed at two sides of the opening 322 and are oppositely arranged are formed on the annular holding part 3, the two locking plates 32 are mutually locked and connected through a second bolt 324 and a third nut 323, a nut positioning groove 321 for embedding the third nut 323 is formed on the specific locking plate 32, bolt through holes for the second bolt 324 to pass through are formed on the two locking plates 32, the second bolt 324 passes through the bolt through holes of the two locking plates 32 and is locked and connected with the third nut 323 in the nut positioning groove 321, when the second bolt 324 is locked with the third nut 323, the annular clasping member 3 clasps the cross bar 43, so that the annular clasping member 3 is fixed, and the annular clasping member 3 can move and adjust on the cross bar 43 by loosening the second bolt 324.

The hook body 1 comprises a hook section 11 and a fixed section 12 which are connected with each other, a rotating section 121 extending along the length direction of the fixed section 12 is formed at the lower end of the fixed section 12, the diameter of the rotating section 121 is smaller than that of the fixed section 12, the rotating section 121 penetrates through a pipe body 2 and can rotate relative to the pipe body 2, the rotation of the fixed section 12 is realized by matching the pipe body 2 and the rotating section 121, the outer diameter of the rotating section 121 is slightly smaller than the inner diameter of the pipe body 2, so that the fixed section 12 has certain rotation resistance and can be kept fixed and not rotate after the fixed section 12 is rotationally adjusted, a screw 122 extending along the axial direction of the rotating section 121 is formed on the rotating section 121, a limiting gasket 123 is sleeved on the screw 122, the screw 122 penetrates through the limiting gasket 123 and then is matched with a second nut 124 to tightly press the limiting gasket 123 at the lower end of the rotating section 121, the outer diameter of the limiting gasket 123 is larger than the inner diameter of the pipe body 2, when the hook is assembled, the rotating section 121 penetrates through the pipe body 2, then, the limiting washer 123 is sleeved on the screw 122 from the lower end of the pipe body 2 and is locked and fixed through the second nut 123, and the outer diameter of the limiting washer 123 is larger than the inner diameter of the pipe body 2, so that the rotating section 121 can be limited to be separated from the pipe body 2, and the product assembly is facilitated.

Referring to fig. 4 to 6 in detail, a connecting portion 21 extending downward is formed at one side of the lower end of the pipe body 2, the connecting portion 21 has an arc-shaped pipe wall structure, a positioning hole 211 extending along the rotation axis of the pipe body 2 is formed at the connecting portion 21, the positioning hole 211 transversely penetrates through the connecting portion 21, a rotating shaft 312 pivotally connected to the positioning hole 211 is formed at an adapter portion 31 at the upper end of the annular clasping member 3, a first ring gear 212 surrounding the positioning hole 211 is formed at the connecting portion 21, a second ring gear 311 engaged with the first ring gear 212 is formed at the adapter portion 31, a relief hole penetrating along the axial direction is formed at the rotating shaft 3122, the pipe body 2 is connected to the adapter portion 31 by a first bolt 213 engaged with a first nut 215 after passing through the positioning hole 211 and the relief hole, the reliable rotation of the pipe body 2 can be achieved by the pivotal connection of the positioning hole 211 and the rotating shaft 312, and the pipe body 2 can be reliably maintained in an adjusted state by the engagement of the first ring gear 212 and the second ring gear 311, when the pipe body 2 needs to be adjusted in a swinging manner along with the hook body 1, the first bolt 213 is loosened to enable the pipe body 2 to be in a swinging state, and after the adjustment is completed, the first bolt 213 is locked to enable the first gear ring 212 to be meshed with the second gear ring 311, so that the pipe body 2 can be reliably kept in the adjusted state.

Body 2 rotationally sets up on the switching portion 31 of annular retainer 3 upper end, and fixed section 12 can set up on body 2 around its axis rotation ground, and the axis of rotation of body 2 is arranged perpendicularly with fixed section 12, at the operating condition of ladder couple: the hook body 1 is unfolded forwards and the hook section 11 faces downwards, when the hook body 1 needs to be folded, the hook section 11 faces to the side by rotating the hook body 1 to enable the fixed section 12 to rotate 90 degrees around the axis of the fixed section, and the hook body 1 can be overlapped with a ladder by swinging the hook body 1 to enable the pipe body 2 to rotate 180 degrees, so that the hook body 1 can be folded and stored, and the hook body 1 is shown in detail in figure 1.

The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the utility model, which is defined by the appended claims and their equivalents and modifications within the scope of the description.

Claims

1. A ladder couple which characterized in that: the hook body is provided with a hook section and a fixed section which are connected with each other, the connecting piece is rotatably arranged on the fixing piece, the fixed section is rotatably arranged on the connecting piece around the axis of the fixed section, and the rotating axis of the connecting piece is perpendicular to the fixed section.

2. A ladder hook as claimed in claim 1, wherein: the connecting piece is formed with the locating hole that extends along its axis of rotation, the mounting is formed with the pivot with locating hole pivotal connection, the connecting piece is formed with the first ring gear around the locating hole, the mounting is formed with the second ring gear with first ring gear meshing, the pivot is formed with the hole of stepping down that link up along its axial, the connecting piece is through passing behind locating hole and the hole of stepping down with first nut complex first bolted connection on the mounting.

3. A ladder hook as claimed in claim 2, wherein: the connecting piece is the body, the canned paragraph lower extreme is formed with the rotation section that extends along its length direction, and the external diameter of rotation section slightly is less than the internal diameter of body, and the rotation section passes the body and can rotate relative to the body.

4. A ladder hook as claimed in claim 3, wherein: the rotating section is provided with a screw rod extending along the axial direction of the rotating section, a limiting gasket is sleeved on the screw rod, the screw rod penetrates through the limiting gasket and then is matched with a second nut to tightly press the limiting gasket at the lower end of the rotating section, and the outer diameter of the limiting gasket is larger than the inner diameter of the pipe body.

5. A ladder hook as claimed in claim 3, wherein: the lower end of the pipe body is provided with a connecting part extending downwards, and the positioning hole is formed in the connecting part.

6. A ladder hook as claimed in any one of claims 1 to 5, wherein: the mounting is for having open-ended annular enclasping spare, and the annular enclasping spare is formed with two jam plates that distribute in opening both sides and relative arrangement, and two jam plates pass through second bolt and the mutual locking connection of third nut.

7. A ladder hook as claimed in claim 6, wherein: the opening of the annular clasping member is formed at the lower end thereof, and the annular clasping member is rotatably connected with the connecting member at the upper end thereof.

8. The utility model provides a ladder, includes two ladder assemblies, ladder assembly includes two parallel relative montants and connects the horizontal footboard between two montants, and the upper end of two ladder assemblies is articulated each other makes its deployable to rectilinear state or chevron shape state, its characterized in that: a ladder hanger as claimed in any one of claims 1 to 7 in which a crossbar is provided between the lower ends of the two uprights of a ladder assembly, the fixing being fixedly provided on the crossbar.

9. A ladder, includes the ladder subassembly, the ladder subassembly includes two parallel relative montants and connects the horizontal footboard between two montants, its characterized in that: a ladder hanger as claimed in any one of claims 1 to 7 in which a cross bar is provided between the upper ends of the vertical posts of the ladder assembly and the fixing means is fixedly secured to the cross bar.

10. A ladder as set forth in claim 8 or 9 wherein: the vertical rod is a telescopic rod.