CN210264480U

CN210264480U - Composite extension ladder

Info

Publication number: CN210264480U
Application number: CN201920848355.4U
Authority: CN
Inventors: 刘沛峰; 黄进; 朱永宝; 汪科林; 卞雪峰; 蒋晓龙; 钱俊; 刘义龙
Original assignee: Chizhou An'an New Material Technology Co ltd
Current assignee: Chizhou An'an New Materials Technology Co ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-04-07
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a compound extension ladder, including a pair of ladder frame, the lower extreme slidable mounting of ladder frame has the base, and it has the dead lever to articulate between the lower extreme of the base of the left and right sides, and the upper end of ladder frame articulates has the dwang, and the one end that ladder frame was kept away from to the dwang of the left and right sides is articulated each other, and it has the bracing piece to articulate between ladder frame and the dwang, the bracing piece includes telescopic link and loop bar, the telescopic link slides and sets up and installs in the loop bar. The utility model relates to a simple structure is convenient for adjust, high strength, lightweight, multi-functional compound extension ladder.

Description

Composite extension ladder

Technical Field

The utility model relates to an extension ladder technical field specifically is a compound extension ladder.

Background

At present, the most structure of current extension ladder is simple relatively, and the function is more single, and when the construction, often the use occasion of ladder is more restricted, and many occasions need use the scaffold just can, but the volume of scaffold is bigger, carries inconveniently, so, lacks one kind and had the convenience of carrying, the composite extension ladder of being convenient for construction use again.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound extension ladder to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a compound extension ladder, includes a pair of ladder frame, the lower extreme slidable mounting of ladder frame has the base, and it has the dead lever to articulate between the lower extreme of the base of the left and right sides, and the upper end of ladder frame articulates there is the dwang, and the one end that ladder frame was kept away from to the dwang of the left and right sides is articulated each other, and it has the bracing piece to articulate between ladder frame and the dwang, the bracing piece includes telescopic link and loop bar, the telescopic link slides and sets up and installs in.

Preferably, the lower extreme of ladder frame sets up the cover seat, base slidable mounting is in the cover seat, be provided with the spout on the cover seat, the both ends of spout are provided with the draw-in groove, set up on the base and install the hasp, hasp and draw-in groove joint cooperation.

Preferably, the loop bar is also provided with a sliding chute, and the telescopic bar is provided with a lock catch.

Preferably, the hasp includes the fixture block, fixture block fixed connection is on flexible post, flexible post slidable mounting is on the base, base fixed connection is in the bottom of mounting groove, the mounting groove sets up on telescopic link and base, and the outside cover of flexible post and base is equipped with the spring, and fixedly connected with press head on the base was kept away from to flexible post side end face.

Preferably, the fixing rod comprises a pair of connecting rods, one ends of the connecting rods are hinged to the lower end of the base, and the ends, far away from the base, of the connecting rods on the left side and the right side are hinged to each other.

Preferably, a pair of baffles is fixedly connected to the rotating rod, and a supporting plate is clamped between the baffles on the front side and the rear side.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model can make the ladder frame slide on the base, thereby achieving the effect of extending the length of the ladder, and the fixed rod is used for fixing the ladder frames on the left and right sides; the dwang can rotate horizontal position, and the ladder can be used as the scaffold frame and use this moment, and operating personnel can be in the operation on the dwang up end, and the bracing piece is used for supporting the dwang. The fixed rod is formed by hinging a pair of connecting rods, so that the fixed rod can be folded, and further the ladder can be folded. The baffle is used for joint backup pad, and the backup pad is convenient for operating personnel to fall the foot. The utility model relates to a simple structure is convenient for adjust, high strength, lightweight, multi-functional compound extension ladder.

Drawings

Fig. 1 is a schematic structural view of a composite extension ladder;

FIG. 2 is a schematic structural view of a composite extension ladder when folded flat;

fig. 3 is a schematic structural view of a lock catch in a composite extension ladder.

In the figure: 1-ladder frame, 2-sleeve seat, 3-base, 4-fixed rod, 5-connecting rod, 6-supporting rod, 7-telescopic rod, 8-sleeve rod, 9-sliding groove, 10-clamping groove, 11-lock catch, 12-base, 13-telescopic column, 14-clamping block, 15-pressing head, 16-spring, 17-mounting groove, 18-rotating rod, 19-baffle plate and 20-supporting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a compound extension ladder, includes a pair of ladder frame 1, the lower extreme slidable mounting of ladder frame 1 has base 3, and it has dead lever 4 to articulate between the lower extreme of the base 3 of the left and right sides, and the upper end of ladder frame 1 articulates there is dwang 18, and the one end that ladder frame 1 was kept away from to the dwang 18 of the left and right sides is articulated each other, and it has bracing piece 6 to articulate between ladder frame 1 and the dwang 18, bracing piece 6 includes telescopic link 7 and

loop bar

8, 7 slip settings of telescopic link are installed in loop bar 8.

When the telescopic ladder is used, the ladder frame 1 can slide on the base 3, so that the effect of extending the length of the ladder is achieved, and the fixing rods 4 are used for fixing the ladder frames 1 on the left side and the right side; the dwang 18 can rotate horizontal position, and the ladder can be used as the scaffold frame and use this moment, and operating personnel can be in the operation on lieing in dwang 18 up end, and the bracing piece 6 is used for supporting dwang 18.

Preferably, the lower extreme of ladder frame 1 sets up

cover seat

2, 3 slidable mounting of base are in cover seat 2, be provided with spout 9 on the cover seat 2, the both ends of spout 9 are provided with draw-in groove 10, set up on the base 3 and install hasp 11, hasp 11 and draw-in groove 10 joint cooperation.

The lock catch 11 is matched with the clamping groove 10 in a clamping mode, and the position of the base 3 in the sleeve seat 2 is locked.

Preferably, the loop bar 8 is also provided with a sliding chute 9, and the telescopic bar 7 is provided with a lock catch 11.

The locking buckle 11 is used for locking the length of the middle support rod 6.

Preferably, the lock catch 11 includes a clamping block 14, the clamping block 14 is fixedly connected to the telescopic column 13, the telescopic column 13 is slidably mounted on the base 12, the base 12 is fixedly connected to the bottom of the mounting groove 17, the mounting groove 17 is disposed on the telescopic rod 7 and the base 3, the spring 16 is sleeved outside the telescopic column 13 and the base 12, and the pressing head 15 is fixedly connected to a side end face of the telescopic column 13 far away from the base 12.

The pressing head 15 is pressed, the clamping block 14 moves downwards to move out of the clamping groove 10, locking can be released, the clamping block 14 can return to the clamping groove 10 under the action of the spring after the pressing head 15 is loosened, and locking is achieved.

Preferably, the fixing rod 4 comprises a pair of connecting rods 5, one end of each connecting rod 5 is hinged to the lower end of the base 3, and the ends of the connecting rods 5 at the left and right sides far away from the base 3 are hinged to each other.

The fixing bar 4 is formed by a pair of links 5 hinged so that the fixing bar 4 can be folded, thereby making the ladder foldable.

Preferably, a pair of baffles 19 is fixedly connected to the rotating rod 18, and a support plate 20 is clamped between the baffles 19 at the front and rear sides.

The baffle 19 is used for clamping a support plate 20, and the support plate 20 is convenient for an operator to fall.

The utility model discloses a theory of operation is: the utility model relates to a composite extension ladder, when in use, the ladder frame 1 can slide on the base 3, thereby achieving the effect of extending the length of the ladder, and the fixed rod 4 is used for fixing the ladder frames 1 at the left and right sides; the dwang 18 can rotate horizontal position, and the ladder can be used as the scaffold frame and use this moment, and operating personnel can be in the operation on lieing in dwang 18 up end, and the bracing piece 6 is used for supporting dwang 18. The lock catch 11 is matched with the clamping groove 10 in a clamping mode, and the position of the base 3 in the sleeve seat 2 is locked. The locking buckle 11 is used for locking the length of the middle support rod 6. The pressing head 15 is pressed, the clamping block 14 moves downwards to move out of the clamping groove 10, locking can be released, the clamping block 14 can return to the clamping groove 10 under the action of the spring after the pressing head 15 is loosened, and locking is achieved. The fixing bar 4 is formed by a pair of links 5 hinged so that the fixing bar 4 can be folded, thereby making the ladder foldable. The baffle 19 is used for clamping a support plate 20, and the support plate 20 is convenient for an operator to fall.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A compound extension ladder, includes a pair of ladder frame (1), its characterized in that: the lower extreme slidable mounting of ladder frame (1) has base (3), and it has dead lever (4) to articulate between the lower extreme of base (3) of the left and right sides, and the upper end of ladder frame (1) articulates there is dwang (18), and the one end of ladder frame (1) is kept away from in dwang (18) of the left and right sides is articulated each other, and it has bracing piece (6) to articulate between ladder frame (1) and dwang (18), bracing piece (6) include telescopic link (7) and loop bar (8), telescopic link (7) slide to set up and install in loop bar (8).

2. A composite extension ladder as claimed in claim 1, wherein: the lower extreme of ladder frame (1) sets up cover seat (2), base (3) slidable mounting is in cover seat (2), be provided with spout (9) on cover seat (2), the both ends of spout (9) are provided with draw-in groove (10), set up on base (3) and install hasp (11), hasp (11) and draw-in groove (10) joint cooperation.

3. A composite extension ladder as claimed in claim 1, wherein: the telescopic rod (7) is provided with a lock catch (11).

4. A composite extension ladder as claimed in claim 2, wherein: hasp (11) are including fixture block (14), fixture block (14) fixed connection is on flexible post (13), flexible post (13) slidable mounting is on base (12), base (12) fixed connection is in the bottom of mounting groove (17), mounting groove (17) set up on telescopic link (7) and base (3), and the outside cover of flexible post (13) and base (12) is equipped with spring (16), and fixedly connected with press head (15) on a side end face of base (12) is kept away from in flexible post (13).

5. A composite extension ladder as claimed in claim 1, wherein: the fixing rod (4) comprises a pair of connecting rods (5), one ends of the connecting rods (5) are hinged to the lower end of the base (3), and the ends, far away from the base (3), of the connecting rods (5) on the left side and the right side are hinged to each other.

6. A composite extension ladder as claimed in claim 1, wherein: a pair of baffles (19) are fixedly connected to the upper portion of the rotating rod (18), and a supporting plate (20) is clamped between the baffles (19) on the front side and the rear side.