CN217908848U - Hook mechanism and inverted ladder - Google Patents

Abstract

The utility model discloses a hook mechanism, include: the hook is provided with a hook end and a fixed end, and a bolt is arranged at the position, close to the fixed end, of the hook; the backplate, its middle part is provided with the fixed orifices, backplate both ends vertical extension forms extension and lower extension, go up the extension with the lower extension corresponds from top to bottom and is provided with through-hole and lower through-hole, go up the extension orientation the surface of lower extension be provided with the spacing groove that the bolt matches, the stiff end of couple passes in proper order go up the through-hole with lower through-hole, and with the bolt card is established spacing inslot mode sets up, it is equipped with the spring still to overlap on the couple, the spring both ends support respectively and press the bolt with lower extension, the stiff end of couple can be dismantled and be provided with the locating part. The utility model also provides a hang down the ladder. The utility model discloses can install, dismantle the couple on the ladder more conveniently to comparatively be convenient for accomodate.

Description

Hook mechanism and inverted hook ladder

Technical Field

The utility model relates to a relevant technical field of ladder. More specifically, the utility model relates to a hook mechanism and hang ladder upside down.

Background

Folding ladders and climbing ladders are used as climbing tools, and the situation that hooks are needed inevitably exists. The hook is directly arranged on the folding ladder or the climbing ladder, so that various inconveniences are difficult to avoid in the using and storing processes. Therefore, there is a need to design a solution that can overcome the above drawbacks to some extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hook mechanism and hang ladder upside down can install, dismantle the couple on the ladder more conveniently to comparatively be convenient for accomodate.

To achieve these objects and other advantages and in accordance with the purpose of the invention, as embodied and broadly described, there is provided a hooking mechanism comprising: the hook is provided with a hook end and a fixed end, and a bolt is arranged at the position, close to the fixed end, of the hook; the backplate, its middle part is provided with the fixed orifices, backplate both ends extend perpendicularly and form extension and lower extension, go up the extension with the correspondence is provided with through-hole and lower through-hole about the extension, go up the extension orientation the surface of lower extension be provided with the spacing groove that the bolt matches, the stiff end of couple passes in proper order go up the through-hole with lower through-hole, and with the bolt card is established spacing inslot mode sets up, it is equipped with the spring still to overlap on the couple, the spring both ends support respectively and press the bolt with lower extension, the stiff end of couple can be dismantled and be provided with the locating part.

Further, the method also comprises the following steps: and a limiting cylinder disposed on the lower extension part between the upper extension part and the lower extension part, corresponding to the lower through hole, and accommodating the spring.

Furthermore, the backboard is rectangular, and the limiting cylinder is arranged along the center line of the backboard.

Furthermore, the fixed orifices are multiple and are symmetrically distributed on two sides of the limiting cylinder.

Furthermore, the number of the limiting grooves is at least two, the limiting grooves are arranged in a mode of extending outwards from the edge of the upper through hole, and the number of the bolts is the same as that of the limiting grooves.

Further, the locating part is a nut, the fixed end of the hook is provided with threads, and the nut is connected to the threads.

According to the utility model discloses a another aspect still provides hook mechanism and hangs ladder upside down, include: a ladder body; and the hooking mechanism is connected with one side of the ladder body through the fixing hole.

The utility model discloses at least, include following beneficial effect:

the utility model discloses a hook mechanism includes couple and backplate, is provided with the bolt on the couple, and the backplate both ends extend perpendicularly and form upper extension portion and lower extension portion, and upper extension portion and lower extension portion correspond and are provided with through-hole and lower through-hole, and the stiff end of couple passes upper through-hole and lower through-hole in proper order to make the bolt card establish the spacing groove near upper through-hole, still overlap on the couple and be equipped with the spring, and the spring both ends are supported respectively and are pressed bolt and lower extension portion; when in use, the utility model is detachably connected with the ladder body through the fixing hole on the back plate, so that the ladder body has the hooking capability; when the ladder is not used, the fixed end of the hook is pushed downwards, the spring is compressed, the bolt is separated from the limiting groove, then the hook is rotated to be parallel to the plane of the ladder body, the hook is opened, the hook and the ladder body are easy to store at the moment, or the back plate and the ladder body are directly detached.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic structural view of the hanging ladder of the present invention;

fig. 2 to 3 are schematic structural views of the hooking mechanism of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1-3, embodiments of the present application provide a catch mechanism 2 comprising: the hook 201 is provided with a hook end and a fixed end, and a plug pin 206 is arranged at the position, close to the fixed end, of the hook 201; a back plate 202, a fixing hole 209 is arranged at the middle part of the back plate 202, two ends of the back plate 202 vertically extend to form an upper extending part 203 and a lower extending part 204, an upper through hole and a lower through hole are correspondingly arranged above and below the upper extending part 203 and the lower extending part 204, a limiting groove matched with the bolt 206 is arranged on the surface of the upper extending part 203 facing the lower extending part 204, the fixing end of the hook 201 sequentially passes through the upper through hole and the lower through hole and is arranged in a manner that the bolt 206 is clamped in the limiting groove, a spring 205 is further sleeved on the hook 201, two ends of the spring 205 respectively press against the bolt 206 and the lower extending part 204, and a limiting part is detachably arranged at the fixing end of the hook 201;

in the above embodiment, the hook 201 may have a curved section and a straight section, the end of the curved section is a hook end, the end of the straight section is a fixed end, and the position on the hook 201 close to the fixed end is provided with the plug 206; the two ends of the back plate 202 vertically extend to form an upper extension part 203 and a lower extension part 204, the upper extension part 203 and the lower extension part 204 are correspondingly provided with an upper through hole and a lower through hole, the fixed end of the hook 201 sequentially penetrates through the upper through hole and the lower through hole, the bolt 206 is clamped in a limiting groove near the upper through hole, the hook 201 is further sleeved with a spring 205, and the two ends of the spring 205 respectively abut against the bolt 206 and the lower extension part 204; in the embodiment, when the ladder is used, the ladder body 1 is detachably connected with the ladder body 1 through the fixing hole 209 on the back plate 202, so that the ladder body 1 has hook capability and is hooked on a support to be used as an inverted ladder; when not in use, the fixed end of the hook 201 is pushed downwards, the spring 205 is compressed, the bolt 206 is separated from the limiting groove, then the hook 201 is rotated by 90 degrees to be parallel to the plane of the ladder body 1, the hook 201 is then opened, at the moment, the hook 201 and the ladder body 1 are easy to store, the occupied space is small, or the back plate 202 and the ladder body 1 are directly detached, and the ladder is also convenient.

In other embodiments, further comprising: a position limiting cylinder 207 disposed on the lower extension part 204 and located between the upper extension part 203 and the lower extension part 204, the position limiting cylinder 207 corresponding to the position of the lower through hole and accommodating the spring 205; the limiting cylinder 207 limits and shields the spring 205.

In other embodiments, the backboard 202 is rectangular, the limiting cylinder 207 is arranged along the center line of the backboard 202, and the limiting cylinder 207 is arranged in the middle of the backboard 202, so that when the hook is inserted into the limiting cylinder, the force applied to each position of the backboard 202 is more uniform.

In other embodiments, a plurality of fixing holes 209 are symmetrically distributed on two sides of the limiting cylinder 207, and the fixing holes 209 are used for being detachably connected with the ladder body 1 of a folding ladder or a climbing ladder, so that the back plate 202 and the hook 201 can be more stably fixed on the ladder body 1.

In other embodiments, there are at least two limiting grooves, and the limiting grooves are disposed in a manner of extending outward from the edge of the upper through hole, and the number of the pins 206 is the same as that of the limiting grooves; the number of the limiting grooves is preferably even and the limiting grooves are symmetrically arranged so as to be more stably connected and fixed with the ladder body 1.

In other embodiments, the limiting member is a nut 208, the fixed end of the hook 201 is provided with a thread, the nut 208 is connected to the thread, and the nut 208 is screwed with the thread, so that the disassembly is convenient, and the nut can be selected as a round-head nut.

The embodiment of the utility model provides a hook mechanism 2 hang ladder upside down still is provided, include: the ladder body 1 is a folding ladder or a climbing ladder body; the hooking mechanism 2 is the hooking mechanism 2 of the above embodiment, is connected with one side of the ladder body 1 through the fixing hole 209, and is further detachably connected with the ladder body 1 through the fixing hole 209 on the back plate 202 when in use, so that the ladder body 1 has hooking capability, is hooked on a support and is used as an inverted ladder; when not using, the stiff end of couple 201 is pushed down, compression spring 205 for bolt 206 is deviate from the spacing groove, and then 90 degrees rotate couple 201 to parallel with the plane of ladder body 1, open couple 201 again, and couple 201 and ladder body 1 are accomodate more easily this moment, and occupation space is little, perhaps directly dismantles backplate 202 and ladder body 1, and is also comparatively convenient.

The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the hooking mechanism of the present invention will be apparent to those skilled in the art.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, particular embodiments, but rather to those skilled in the art, having the benefit of the teachings of the present invention, which is capable of numerous modifications and alternative forms, and will be readily apparent to those skilled in the art, and it is not intended to limit the invention to the details shown and described without departing from the general concepts defined by the appended claims and their equivalents.

Claims (7)

1. The hooking mechanism, characterized in that it comprises:

the hook is provided with a hook end and a fixed end, and a bolt is arranged at a position, close to the fixed end, of the hook;

the backplate, its middle part is provided with the fixed orifices, backplate both ends vertical extension forms extension and lower extension, go up the extension with the lower extension corresponds from top to bottom and is provided with through-hole and lower through-hole, go up the extension orientation the surface of lower extension be provided with the spacing groove that the bolt matches, the stiff end of couple passes in proper order go up the through-hole with lower through-hole, and with the bolt card is established spacing inslot mode sets up, it is equipped with the spring still to overlap on the couple, the spring both ends support respectively and press the bolt with lower extension, the stiff end of couple can be dismantled and be provided with the locating part.

2. The hooking mechanism of claim 1, further comprising:

and a limiting cylinder disposed on the lower extension and between the upper extension and the lower extension, the limiting cylinder corresponding to the lower through hole and accommodating the spring.

3. The catch mechanism of claim 2, wherein the back plate is rectangular and the retention cylinder is disposed along a centerline of the back plate.

4. The hooking mechanism of claim 3, wherein the plurality of fixing holes are symmetrically distributed on both sides of the limiting cylinder.

5. The hooking mechanism of claim 1, wherein there are at least two of the retaining grooves and are positioned to extend outwardly from the edge of the upper opening, and the number of the pins is the same as the number of the retaining grooves.

6. The catch mechanism of claim 1, wherein the stop is a nut and the fixed end of the hook is threaded and the nut is attached to the threads.

7. Hang ladder upside down, its characterized in that includes:

a ladder body;

the catch mechanism of any one of claims 1 to 6 connected to one side of the ladder body via the fixing hole.

Images