Large pedal lock of extension ladder

Abstract

The utility model belongs to the technical field of large pedal locks, and discloses an extension ladder large pedal lock which comprises a large pedal lock body, a clamping groove is formed in the large pedal lock body, the clamping groove is thickened and lengthened, a lock catch is installed at the bottom end of the large pedal lock body, the lock catch is an integrally-formed PP lock catch, and the large pedal lock body and the large pedal lock body are integrally formed. The large pedal lock comprises a large pedal lock body, a clamping groove is formed in the large pedal lock body, a buckle is installed outside the clamping groove and connected with the large pedal lock body, an anti-corrosion layer is arranged on the outer side of the large pedal lock body, and a wear-resisting layer is arranged on the outer side of the anti-corrosion layer. The thickened clamping groove and the lengthened clamping groove provide a larger contact area between the large pedal lock body and the ladder, the bearing capacity of the large pedal lock body is improved and can reach about 500 kg, the anti-corrosion layer is formed by coating the surface of the large pedal lock body with a layer of anti-corrosion material to form a layer of protective film, corrosion is reduced, and the abrasion resistance of the large pedal lock body can be improved through the abrasion-resistant layer.

Description

Technical Field

[0001] The utility model belongs to the technical field of large pedal locks, and in particular relates to a large pedal lock for a telescopic ladder. Background Art

[0002] A telescopic ladder foot pedal lock is a device designed to increase the stability and safety of a telescopic ladder. It usually consists of a foot pedal and a locking mechanism installed at the bottom of the telescopic ladder. When users want to use the telescopic ladder, they can release the locking mechanism by stepping on the foot pedal, allowing the telescopic ladder to extend or retract.

[0003] When the existing large pedal lock of the telescopic ladder is in use, the size of the card slot is limited, which makes the contact area between the large pedal lock and the telescopic ladder small, and thus the stability of the large pedal lock is average, resulting in limited bearing capacity, and the surface of the old-style pedal lock is in direct contact with the air, which makes the large pedal lock age quickly and is easily worn and corroded, thereby affecting the service life of the equipment. Utility Model Content

[0004] The purpose of the utility model is to provide a large pedal lock for a telescopic ladder, so as to solve the problems proposed in the above-mentioned background technology that the contact area between the large pedal lock and the telescopic ladder is small, thereby making the stability of the large pedal lock general, resulting in limited bearing capacity, and the surface of the old-style pedal lock is in direct contact with the air, which makes the large pedal lock age quickly and be easily worn and corroded.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a large foot pedal lock for a telescopic ladder, comprising: a large foot pedal lock body, a card slot is provided on the large foot pedal lock body, the card slot is thickened and lengthened, a lock buckle is installed at the bottom end of the large foot pedal lock body, the lock buckle is an integrally formed PP lock buckle, a buckle is installed outside the card slot, and the buckle is connected to the large foot pedal lock body.

[0006] Preferably, an anti-corrosion layer is provided on the outer side of the large pedal lock body, an anti-corrosion material is provided inside the anti-corrosion layer, a wear-resistant layer is provided on the outer side of the anti-corrosion layer, and a wear-resistant material is provided inside the wear-resistant layer.

[0007] Preferably, the lock buckle is covered with a rubber sleeve, and a limiting component is provided between the rubber sleeve and the lock buckle.

[0008] Preferably, the limiting assembly comprises a limiting block and a limiting groove, the limiting block is mounted on the inner wall of the rubber sleeve, the limiting groove is provided on the outer wall of the lock, and the limiting block and the limiting groove are matched.

[0009] Preferably, a through slot is provided on the large pedal lock body, and the through slot is communicated with the movable end of the buckle.

[0010] Preferably, an anti-skid groove is provided on the large pedal lock body, and the anti-skid groove is located in the card slot.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The utility model improves the load-bearing capacity of the equipment by providing a thickened and lengthened slot. When in use, the thickened and lengthened slot provides a larger contact area between the large pedal lock body and the ladder, thereby increasing the load-bearing capacity of the large pedal lock body to about 500 kg.

[0013] (2) The utility model increases the service life of the equipment by providing an anti-corrosion layer and a wear-resistant layer. When in use, the anti-corrosion layer is a layer of anti-corrosion material coated on the surface of the large pedal lock body to form a protective film to reduce the occurrence of corrosion. The wear-resistant layer can perform special treatment on the surface of the large pedal lock body to increase its wear resistance, thereby increasing the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the large pedal lock body of the utility model;

[0016] Figure 3 for Figure 1 A magnified view of part A in FIG.

[0017] Figure 4 for Figure 1 A magnified view of part B in FIG.

[0018] Figure 5 for Figure 1 The enlarged view of the C part in FIG.

[0019] In the figure: 1. large pedal lock body; 2. slot; 3. lock buckle; 4. buckle; 5. anti-corrosion layer; 6. anti-corrosion material; 7. wear-resistant layer; 8. wear-resistant material; 9. rubber sleeve; 10. limit block; 11. limit slot; 12. through slot; 13. anti-slip groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1 and Figure 5As shown, the utility model provides the following technical solutions: a large foot pedal lock for a telescopic ladder, comprising: a large foot pedal lock body 1, a card slot 2 is opened on the large foot pedal lock body 1, the card slot 2 is thickened and lengthened, a lock buckle 3 is installed at the bottom end of the large foot pedal lock body 1, the lock buckle 3 is an integrally formed PP lock buckle 3, a buckle 4 is installed outside the card slot 2, and the buckle 4 is connected to the large foot pedal lock body 1.

[0022] Furthermore, an anti-skid groove 13 is provided on the large pedal lock body 1 , and the anti-skid groove 13 is located in the locking groove 2 .

[0023] Through the above technical solution:

[0024] When in use, the large foot lock body 1 is thickened and the card slot 2 is lengthened compared to before, thereby providing a larger contact area between the large foot lock body 1 and the ladder, so that the load-bearing capacity of the large foot lock body 1 is increased, which can reach about 500kg, and the PP lock buckle 3 has the characteristics of durability, lightness and chemical corrosion resistance. The lock buckle 3 and the card buckle 4 can be locked during transportation, which can effectively prevent the telescopic ladder from shaking up and down and enhance the stability of the equipment. The anti-skid groove 13 can increase the friction between the foot lock body 1 and the ladder, making it difficult for the equipment to slip.

[0025] See also Figure 1-Figure 2 As shown, an anti-corrosion layer 5 is provided on the outer side of the large pedal lock body 1, an anti-corrosion material 6 is provided inside the anti-corrosion layer 5, a wear-resistant layer 7 is provided on the outer side of the anti-corrosion layer 5, and a wear-resistant material 8 is provided inside the wear-resistant layer 7.

[0026] Through the above technical solution:

[0027] When in use, the large pedal lock body 1 is made of zinc-aluminum alloy and is integrally formed by die stamping. The zinc-aluminum alloy has high strength and hardness and can withstand greater force and impact. The zinc-aluminum alloy is relatively light compared to other metal materials, which enables the large pedal lock body 1 to reduce weight while maintaining sufficient strength. The zinc-aluminum alloy has good plasticity and can be processed in various forms to produce designs that meet different needs, which enables the large pedal lock body 1 to be customized according to user requirements and provide more functions and features. The anti-corrosion layer 5 is a layer of anti-corrosion material 6 coated on the surface of the large pedal lock body 1 to increase its corrosion resistance. Common anti-corrosion materials 6 include paints, coatings, and spray coatings, which usually contain preservatives and antioxidants, and can form a protective film to isolate the large pedal lock body 1 from the external environment and reduce the occurrence of corrosion. The wear-resistant layer 7 can perform special treatment on the surface of the large pedal lock body 1 to increase its wear resistance. Common wear-resistant materials 8 include polytetrafluoroethylene, polyethylene, polyurethane, and ceramics, thereby reducing the impact of friction and wear on the large pedal lock body 1 and increasing the service life of the equipment.

[0028] For further information, see Figure 1 and Figure 3 As shown, the lock buckle 3 is covered with a rubber sleeve 9 , and a limiting component is provided between the rubber sleeve 9 and the lock buckle 3 .

[0029] Furthermore, the limiting assembly includes a limiting block 10 and a limiting groove 11. The limiting block 10 is installed on the inner wall of the rubber sleeve 9. The limiting groove 11 is opened on the outer wall of the lock buckle 3. The limiting block 10 and the limiting groove 11 are adapted to each other.

[0030] Specifically, the rubber sleeve 9 can provide a layer of protection for the outer wall of the lock buckle 3, reducing direct contact with external objects, thereby effectively preventing the surface of the lock buckle 3 from being scratched or damaged, and the rubber sleeve 9 has a soft touch, which can increase the comfort of holding the lock buckle 3, especially in cold weather, the rubber sleeve 9 can prevent the hands from directly contacting the surface of the lock buckle 3 and feeling cold, and the surface of the rubber sleeve 9 usually has a certain anti-slip property, which can provide additional friction and reduce the sliding of the lock buckle 3 in the hand or on other surfaces. The limit block 10 and the limit groove 11 prevent the rubber sleeve 9 from easily sliding off the lock buckle 3, thereby increasing stability and safety during use.

[0031] For further information, see Figure 1 and Figure 4 As shown, a through slot 12 is provided on the large pedal lock body 1 , and the through slot 12 is communicated with the movable end of the buckle 4 .

[0032] Specifically, lubricant can be added to the buckle 4 through the through groove 12. Timely addition of lubricant can form a lubricating film inside the buckle 4, reducing the friction between metal parts, thereby reducing the degree of wear and reducing sticking or jamming. This can improve the smoothness of the operation of the buckle 4, and the lubricant can reduce the friction and noise between the internal parts of the buckle 4, which is very beneficial for occasions where the buckle 4 needs to be operated in a quiet environment (such as nighttime operation, confined space, etc.).

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A large foot lock for a telescopic ladder, characterized in that: include: A large pedal lock body (1) is provided with a slot (2) on the large pedal lock body (1), the slot (2) is thickened and lengthened, a lock buckle (3) is installed at the bottom end of the large pedal lock body (1), the lock buckle (3) is an integrally formed PP lock buckle (3), a buckle (4) is installed outside the slot (2), and the buckle (4) is connected to the large pedal lock body (1).

2. A large foot lock for a telescopic ladder according to claim 1, characterized in that: The outer side of the large pedal lock body (1) is provided with an anti-corrosion layer (5), the inner side of the anti-corrosion layer (5) is provided with an anti-corrosion material (6), the outer side of the anti-corrosion layer (5) is provided with a wear-resistant layer (7), and the inner side of the wear-resistant layer (7) is provided with a wear-resistant material (8).

3. A large foot lock for a telescopic ladder according to claim 2, characterized in that: The lock buckle (3) is covered with a rubber sleeve (9), and a limiting component is provided between the rubber sleeve (9) and the lock buckle (3).

4. A large foot pedal lock for a telescopic ladder according to claim 3, characterized in that: The limiting assembly comprises a limiting block (10) and a limiting groove (11); the limiting block (10) is mounted on the inner wall of the rubber sleeve (9); the limiting groove (11) is arranged on the outer wall of the lock buckle (3); and the limiting block (10) and the limiting groove (11) are adapted to each other.

5. A large foot pedal lock for a telescopic ladder according to claim 4, characterized in that: The large pedal lock body (1) is provided with a through slot (12), and the through slot (12) is communicated with the movable end of the buckle (4).

6. A large foot pedal lock for a telescopic ladder according to claim 5, characterized in that: The large pedal lock body (1) is provided with an anti-skid groove (13), and the anti-skid groove (13) is located in the clamping groove (2).

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