CN205100858U

CN205100858U - Binary ladder couple

Info

Publication number: CN205100858U
Application number: CN201520802672.4U
Authority: CN
Inventors: 谢小燕
Original assignee: Suzhou Pica Aluminum Industry Co Ltd
Current assignee: Suzhou Pica Aluminum Industry Co Ltd
Priority date: 2015-10-16
Filing date: 2015-10-16
Publication date: 2016-03-23
Anticipated expiration: 2025-10-16

Abstract

The utility model provides a binary ladder couple, assembles in ladder's upper end, its characterized in that: including a pair of couple subassembly, each is geted in touch the subassembly and includes a coupler body, an installing support and a spring, the coupler body includes a shaft -like main part, and the upper end extension of shaft -like main part is buckled downwards and is formed with a hook portion, and the middle section of shaft -like main part has set firmly a locating piece along its circumference, the installing support includes positioning seat and lower positioning seat, it reaches to go up the positioning seat the locating hole has all been seted up down in the positioning seat for the shaft -like main part of confession coupler body is worn to set for simultaneously and is located it reaches to go up the positioning seat lower positioning seat, the spring housing is located in the shaft -like main part of coupler body, the upper end of this spring support to lean on in the downside of locating piece, the lower extreme of spring support lean on in the upside of lower positioning seat, wherein, the installation support assembly in one side inwards of ladder, two the installing support of couple subassembly sets up relatively. The utility model has the advantages of the assembly is nimble, and the practicality is high and safe, durable, reliable.

Description

Double-body ladder hook

Technical Field

The utility model relates to a ladder accessory, concretely relates to couple for promoting ladder stability.

Background

Ladders are common tools for climbing. The ladder is usually a straight ladder (or a straight ladder), and when in use, the ladder body is slightly inclined, so that the top end of the ladder is inclined against a wall body. When the guardrail is exactly arranged on the wall where the ladder is to be erected, the original top end of the ladder cannot be supported, and the ladder posts of the ladder slip with the guardrail easily to bring potential safety hazards.

The ladder with the hook at the top end is designed for people under the condition, and during use, the hook at the top end of the ladder leans against the guardrail, so that the stability of the ladder during use is improved. However, the prior art still has the following disadvantages: firstly, the hook of the ladder and the ladder are designed and processed integrally, so the design and processing difficulty is higher; secondly, the hook of the ladder always keeps the fixed state of protruding outside the ladder, therefore inconvenient accomodating.

Therefore, how to solve the above-mentioned deficiencies of the prior art is a problem to be solved by the present invention.

Disclosure of Invention

The utility model provides a binary ladder couple, its aim at solve prior art ladder and get in touch the integrated design processing degree of difficulty big and inconvenient problem of accomodating.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a double-body ladder hook is characterized in that a ladder comprises two ladder columns arranged in parallel and a plurality of steps fixedly arranged between the two ladder columns in parallel; the ladder hook is assembled at the upper end of the ladder column;

the ladder hook comprises a pair of hook components, and each hook component comprises a hook body, a mounting bracket and a spring; wherein,

the hook body comprises a rod-shaped main body, the upper end of the rod-shaped main body extends and bends downwards to form a hook part, and a positioning block is fixedly arranged at the middle section of the rod-shaped main body along the circumferential direction of the rod-shaped main body;

the mounting bracket comprises an upper positioning seat and a lower positioning seat, wherein positioning holes are formed in the upper positioning seat and the lower positioning seat respectively and used for allowing the rod-shaped main body of the hook body to penetrate through the upper positioning seat and the lower positioning seat simultaneously;

the spring is sleeved on the rod-shaped main body of the hook body, the upper end of the spring is abutted against the lower side of the positioning block, and the lower end of the spring is abutted against the upper side of the lower positioning seat;

the mounting support is assembled on the inward side of the ladder post, and the two mounting supports of the hook component are arranged oppositely.

The relevant content in the above technical solution is explained as follows:

1. in the above scheme, by means of the design, the hook body of the hook component can rotate in the mounting bracket, so that the hook component has two working states of outward opening and inward folding.

2. In the above scheme, the ladder hook can be kept in the state by means of the tension of the spring through the arrangement of the spring, namely, the ladder hook can be kept in two working states of outward opening and inward folding. Because the spring is extruded by the positioning block and the lower positioning seat on the rod-shaped main body of the hook body, the self tension of the spring acts on the positioning block in a reverse direction to force the upper side of the positioning block to be tightly matched with the lower side of the upper positioning seat, and the hook body cannot rotate at the moment because the positioning block is positioned on the hook body; when the working state is to be switched, the hook body is pressed downwards, the spring is driven to compress downwards, meanwhile, the upper side of the positioning block is forced to be separated from the lower side of the upper positioning seat, and then the locking of the hook body in the mounting bracket is released, so that the hook body is rotated. When the hook body rotates to the turning position or the folding position, the position state of the hook body can be positioned again through the tension of the spring by releasing the downward pressing of the hook body.

3. In the above scheme, a connecting plate is further connected between the two hook assemblies, and the connecting plate is connected to the mounting brackets of the two hook assemblies; and an anti-skid surface is arranged on one outward side of the connecting plate. Through the design of connecting plate makes the utility model discloses ladder couple's overall structure intensity has obtained improving by a wide margin, and passes through the design of antiskid face for the ladder is when using and the stability of being connected between the support is improved, has further promoted the security of using.

The utility model discloses a theory of operation and advantage as follows:

the utility model relates to a binary ladder couple, including a pair of couple subassembly, this couple subassembly includes coupler body, installing support and spring. Wherein, the rod-shaped main body of the hook body is arranged in the mounting bracket in a penetrating way and has two working states of outward opening and inward folding. The spring sleeve is arranged on the rod-shaped main body and is positioned between the upper positioning seat and the lower positioning seat of the mounting bracket, and the positioning block is arranged on the rod-shaped main body and is used for the spring to abut against. Therefore, compared with the prior art, the utility model discloses comparing prior art, the ladder couple can regard as the accessory of ladder to relate to processing alone, installs again on the ladder as required, has overcome in the past not enough that integrative design processing exists, can also realize opening and folding up of coupler body through compression spring in addition, has solved the problem of inconvenient accomodating in the past. To sum up, the utility model has the advantages of the assembly is nimble, and the practicality is high and safe, durable, reliable.

Drawings

Fig. 1 is a schematic structural view of the embodiment of the present invention in an inwardly folded state;

fig. 2 is a schematic structural view of the embodiment of the present invention in an outward open state;

fig. 3 is a schematic view of the usage status of the embodiment of the present invention in the inward folded state;

fig. 4 is a schematic view of a usage state of the embodiment of the present invention in an outward opening state.

In the above drawings: 1. ladder posts; 2. stepping; 3. a hook body; 4. mounting a bracket; 5. a spring; 6. a rod-shaped body; 7. a hook portion; 8. positioning blocks; 9. an upper positioning seat; 10. a lower positioning seat; 11. positioning holes; 12. a connecting plate; 13. and (4) an anti-skid surface.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

example (b): referring to the attached drawings 1-4, the double-body ladder hook comprises two ladder posts 1 which are arranged in parallel and a plurality of steps 2 which are fixedly arranged between the two ladder posts 1 in parallel; the ladder hook is assembled at the upper end of the ladder column 1;

the ladder hook comprises a pair of hook components, and each hook component comprises a hook body 3, a mounting bracket 4 and a spring 5; wherein,

the hook body 3 comprises a rod-shaped main body 6, the upper end of the rod-shaped main body 6 extends and bends downwards to form a hook part 7, and a positioning block 8 is fixedly arranged at the middle section of the rod-shaped main body 6 along the circumferential direction of the rod-shaped main body 6;

the mounting bracket 4 comprises an upper positioning seat 9 and a lower positioning seat 10, wherein positioning holes 11 are respectively formed in the upper positioning seat 9 and the lower positioning seat 10, so that the rod-shaped main body 6 of the hook body 3 can be simultaneously arranged on the upper positioning seat 9 and the lower positioning seat 10 in a penetrating manner; the hook body 3 of the hook assembly can rotate in the mounting bracket 4, so that the hook assembly has two working states of outward opening and inward folding.

The spring 5 is sleeved on the rod-shaped main body 6 of the hook body 3, the upper end of the spring 5 abuts against the lower side of the positioning block 8, and the lower end of the spring 5 abuts against the upper side of the lower positioning seat 10. By means of the arrangement of the spring 5, the state of the ladder hook can be maintained by means of the tension of the spring 5, namely, the ladder hook can be kept in two working states of outward opening and inward folding. Since the spring 5 is pressed by the positioning block 8 and the lower positioning seat 10 on the rod-shaped main body 6 of the hook body 3, the self-tension of the spring 5 acts in reverse direction on the positioning block 8, so that the upper side of the positioning block 8 is forced to be tightly matched with the lower side of the upper positioning seat 9, and the positioning block 8 is positioned on the hook body 3, so that the hook body 3 cannot rotate at this time; when the working state is to be switched, the hook body 3 is pressed downwards, the spring 5 is driven to compress downwards, meanwhile, the upper side of the positioning block 8 is forced to be separated from the lower side of the upper positioning seat 9, and then the locking of the hook body 3 in the mounting bracket 4 is released, so that the hook body 3 is rotated. When the hook body 3 is rotated to the turning position or the folding position, the downward pressing of the hook body 3 is released, and the position state of the hook body 3 can be positioned again by the tension of the spring 5.

Wherein, the installing support 4 is assembled on the inward side of the ladder post 1, and the installing supports 4 of the two hook components are oppositely arranged. A connecting plate 12 is further connected between the two hook assemblies, and the connecting plate 12 is connected to the mounting brackets 4 of the two hook assemblies; and an anti-skid surface 13 is arranged on one side of the connecting plate 12 facing outwards. Through the design of connecting plate 12 makes the utility model discloses ladder couple's overall structure intensity has obtained improving by a wide margin, and passes through antiskid face 13's design for the ladder is when using and the stability of being connected between the support is improved, has further promoted the security of using.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A double-body ladder hook is characterized in that a ladder comprises two ladder columns arranged in parallel and a plurality of steps fixedly arranged between the two ladder columns in parallel; the ladder hook is assembled at the upper end of the ladder column; the method is characterized in that:

2. A ladder hook as claimed in claim 1, wherein: a connecting plate is also connected between the two hook assemblies and is connected to the mounting brackets of the two hook assemblies; and an anti-skid surface is arranged on one outward side of the connecting plate.