CN210858558U

CN210858558U - Folding platform ladder

Info

Publication number: CN210858558U
Application number: CN201921285598.8U
Authority: CN
Inventors: 周晓英; 包明花; 周冬明
Original assignee: Shiya Electronic Suzhou Co ltd
Current assignee: Shiya Electronic Suzhou Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-06-26
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a folding platform ladder, include: folding the platform ladder; the folding platform ladder includes: a front body and a back body; the upper part of the front body is hinged with the upper end of the back body; a locking device is arranged at the hinged position of the front body and the rear body; the locking device includes: a fixing tube disposed between the front body and the rear body; the fixed tube is fixed on the front body; the two ends of the fixed pipe are respectively provided with a handle, one end of the handle is rotatably connected in the fixed pipe, and the other end of the handle is fixedly connected to the side edge of the support corresponding to the upper end of the rear body; one end of the handle is provided with a groove; a sliding seat is arranged in the groove; a first limiting groove is arranged in the groove; the outer side wall of the sliding seat is provided with a limiting convex strip; the limiting convex strip is arranged in the first limiting groove; the sliding seat is arranged in the fixed pipe in a sliding manner; the upper end of the fixed tube is provided with two triggers of which the lower ends are fixedly connected with the corresponding sliding seats; a resetting device is arranged between the two sliding seats in the fixed pipe. In this way, the utility model discloses can make the ladder fold and expand, reliable realization ladder multi-angle locking is fixed.

Description

Folding platform ladder

Technical Field

The utility model relates to an improvement of folding platform ladder, in particular to simple structure, convenient to use both can make the ladder fold and expand, and realization ladder multi-angle only locking that again can be reliable is fixed, can become the double ladder, also can become a word ladder, has practiced thrift the space, the biggest folding platform ladder that satisfies people's user demand.

Background

The ladder, daily life apparatus, by two long thick poles as the side, cross the appropriate horizontal pole of climbing in the middle, is used for climbing high; however, the existing folding platform ladder is complicated in mechanism and unreliable in locking function, and has great hidden trouble in the climbing process of people.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a simple structure, and convenient to use both can make the ladder fold and expand, and realization ladder multi-angle only locking that again can be reliable is fixed, can become the double ladder, also can become a word ladder, has practiced thrift the space, the biggest folding platform ladder that satisfies people's user demand.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a folding platform ladder comprising: folding the platform ladder; the folding platform ladder comprises: a front body and a back body; the upper part of the front body is hinged with the upper end of the rear body; a locking device is arranged at the hinged position of the front body and the rear body; the locking device includes: a fixing tube disposed between the front body and the rear body; the fixed pipe is an aluminum pipe; the fixed tube is fixed on the front body; a handle is respectively arranged at two ends of the fixed pipe; one end of the handle is rotatably connected in the fixed pipe, and the other end of the handle is fixedly connected to the side edge of the support corresponding to the upper end of the rear body; one surface of one end of each handle, which is arranged in the fixed pipe, is provided with a groove; a sliding seat is arranged in each of the two grooves; the sliding seat is arranged in the fixed pipe in a sliding manner; two triggers are arranged at the upper end of the fixed pipe; the lower ends of the two triggers are fixedly connected with the corresponding sliding seats; a reset device is arranged between the two sliding seats in the fixed pipe; and two ends of the resetting device are respectively connected with the two corresponding sliding seats.

Preferably, two sliding chute connecting rods are symmetrically arranged at two ends in the fixed pipe; the chute connecting rod is obliquely arranged on one side wall in the fixed pipe, and the chute opening faces the inner side wall of the fixed pipe; the outer side wall of the sliding seat is provided with a sliding block; the sliding block is arranged in the sliding chute connecting rod in a sliding mode.

Preferably, the two ends in the fixed pipe are symmetrically provided with second limiting grooves; the second limiting grooves are symmetrical and communicated with the corresponding first limiting grooves; the limiting convex strips on the outer side wall of the sliding seat slide between the corresponding second limiting grooves and the corresponding first limiting grooves.

Preferably, the reset means comprises: two springs; two springs are arranged between the two sliding seats in the fixed pipe; the opposite ends of the two springs are mutually connected, and the other ends of the two springs are respectively arranged on the corresponding sliding seats.

Preferably, the fixing tube is an aluminum tube.

The utility model has the advantages that: a folding platform ladder, simple structure, convenient to use both can make the ladder fold and expand, realization ladder multi-angle only lock that again can be reliable is fixed, can become the double ladder, also can become a word ladder, practiced thrift the space, the biggest user demand who satisfies people.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

figure 1 is the structural schematic of a folding platform ladder of the present invention.

Fig. 2 is a schematic structural diagram of the locking device of the present invention.

Fig. 3 is a partially enlarged view of fig. 2A.

Figure 4 is the structural schematic diagram of the folding platform ladder when opened to a straight state.

Wherein: 1. a precursor; 2. a posterior body; 3. a locking device; 4. a fixed tube; 5. a handle; 6. a groove; 7. a sliding seat; 8. a first limit groove; 9. limiting convex strips; 10. a second limit groove; 11. a trigger; 12. a chute connecting rod; 13. a spring.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 1 to 4, the present invention includes:

in order to solve the technical problem, the utility model discloses a technical scheme be a folding platform ladder, include: folding the platform ladder; the folding platform ladder comprises: a front body 1 and a back body 2; the upper part of the front body 1 is hinged with the upper end of the back body 2; a locking device 3 is arranged at the hinged position of the front body 1 and the rear body 2; the lock stopping device 3 includes: a fixing tube 4 provided between the front body 1 and the rear body 2; the fixed pipe 4 is an aluminum pipe; the fixed tube 4 is fixed on the front body 1; a handle 5 is respectively arranged at two ends of the fixed pipe 4; one end of the handle 5 is rotatably connected in the fixed pipe 4, and the other end of the handle is fixedly connected with the side edge of the corresponding support column at the upper end of the back body 2; one end of each handle 5 is arranged on one surface in the fixed pipe 4 and is provided with a groove 6; a sliding seat 7 is arranged in each of the two grooves 6; a plurality of first limiting grooves 8 are formed in the groove 6; the outer side wall of the sliding seat 7 is provided with a plurality of limiting convex strips 9 corresponding to the first limiting grooves 8; the limiting convex strips 9 are arranged in the corresponding first limiting grooves 8; the sliding seat 7 is arranged in the fixed pipe 4 in a sliding manner; two triggers 11 are arranged at the upper end of the fixed tube 4; the lower ends of the two triggers 11 are fixedly connected with the corresponding sliding seats 7; a resetting device is arranged between the two sliding seats 7 in the fixed tube 4; and two ends of the resetting device are respectively connected with the two corresponding sliding seats 7.

Two sliding chute connecting rods 12 are symmetrically arranged at two ends in the fixed pipe 4; the chute connecting rod 12 is obliquely arranged on one side wall in the fixed pipe 4, and the chute opening faces the inner side wall of the fixed pipe 4; the outer side wall of the sliding seat 7 is provided with a sliding block; the sliding block is arranged in the chute connecting rod 12 in a sliding way; two ends in the fixed pipe 4 are symmetrically provided with second limiting grooves 10; the second limiting grooves 10 are symmetrical and communicated with the corresponding first limiting grooves 8; the limiting convex strips 9 on the outer side wall of the sliding seat 7 slide between the corresponding second limiting grooves 10 and the corresponding first limiting grooves 8.

The reset device comprises: two springs 13; two springs 13 are arranged between the two sliding seats 7 in the fixed tube 4; the opposite ends of the two springs 13 are connected to each other, and the other ends are disposed on the corresponding sliding seats 7.

When the ladder is folded to be unfolded to be in a herringbone state or a straight state, the two triggers 11 are held to slide inwards relatively, the two sliding seats 7 are driven to slide inwards into the fixed pipe 4, the two triggers 11 are loosened, the sliding seats 7 are separated from the handle 5, the limiting convex strips 9 leave the first limiting grooves 8, the handle 5 can rotate to achieve unlocking, the back body 2 assembly rotates outwards to a certain angle at the moment, then the limiting convex strips 9 of the two sliding seats 7 correspond to the first limiting grooves 8 of the handle 5, the limiting convex strips 9 of the two sliding seats 7 rebound to the first limiting grooves 8 of the handle 5 through the spring force of the corresponding springs 13, the handle 5 is locked, and the ladder can be used in the herringbone state or the straight state according to the unfolded angle; when the ladder draws in, hold two triggers 11 and slide toward the inside relatively, drive two sliding seat 7 and slide toward the inside to fixed intraductal 4, loosen two triggers 11, make sliding seat 7 and handle 5 separation, spacing sand grip 9 leaves first spacing recess 8, handle 5 can rotate, reach the unblock, 2 subassemblies of back at this moment inwards rotate and fold in, then spacing sand grip 9 of two sliding seat 7 corresponds with first spacing recess 8 of handle 5, the spacing sand grip 9 of two sliding seat 7 kick-backs to the first spacing recess 8 of handle 5 in through the spring 13 power of the spring 13 that corresponds, pin handle 5, the ladder can be folded and draw in.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A folding platform ladder comprising: folding the platform ladder; the method is characterized in that: the folding platform ladder comprises: a front body and a back body; the upper part of the front body is hinged with the upper end of the rear body; a locking device is arranged at the hinged position of the front body and the rear body; the locking device includes: a fixing tube disposed between the front body and the rear body; the fixed tube is fixed on the front body; a handle is respectively arranged at two ends of the fixed pipe; one end of the handle is rotatably connected in the fixed pipe, and the other end of the handle is fixedly connected to the side edge of the support corresponding to the upper end of the rear body; one surface of one end of each handle, which is arranged in the fixed pipe, is provided with a groove; a sliding seat is arranged in each of the two grooves; a plurality of first limiting grooves are formed in the grooves; the outer side wall of the sliding seat is provided with a plurality of limiting convex strips corresponding to the first limiting grooves; the limiting convex strips are arranged in the corresponding first limiting grooves; the sliding seat is arranged in the fixed pipe in a sliding manner; two triggers are arranged at the upper end of the fixed pipe; the lower ends of the two triggers are fixedly connected with the corresponding sliding seats; a reset device is arranged between the two sliding seats in the fixed pipe; and two ends of the resetting device are respectively connected with the two corresponding sliding seats.

2. The folding platform ladder of claim 1, wherein: two ends in the fixed pipe are symmetrically provided with a chute connecting rod; the chute connecting rod is obliquely arranged on one side wall in the fixed pipe, and the chute opening faces the inner side wall of the fixed pipe; the outer side wall of the sliding seat is provided with a sliding block; the sliding block is arranged in the sliding chute connecting rod in a sliding mode.

3. The folding platform ladder of claim 1 or 2, wherein: second limiting grooves are symmetrically formed in the two ends of the fixing pipe; the second limiting grooves are symmetrical and communicated with the corresponding first limiting grooves; the limiting convex strips on the outer side wall of the sliding seat slide between the corresponding second limiting grooves and the corresponding first limiting grooves.

4. The folding platform ladder of claim 3, wherein: the reset device comprises: two springs; two springs are arranged between the two sliding seats in the fixed pipe; the opposite ends of the two springs are mutually connected, and the other ends of the two springs are respectively arranged on the corresponding sliding seats.

5. The folding platform ladder of claim 1, wherein: the fixed pipe is an aluminum pipe.