CN215565649U

CN215565649U - Herringbone ladder with auxiliary supporting legs

Info

Publication number: CN215565649U
Application number: CN202121857725.4U
Authority: CN
Inventors: 张辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-18
Anticipated expiration: 2031-08-10

Abstract

The utility model relates to a herringbone ladder with auxiliary supporting feet, which comprises a ladder stand, a supporting frame and two auxiliary supporting feet, wherein the supporting frame is used for supporting the ladder stand to enable the ladder stand to be kept in an inclined state, the upper end of the ladder stand is connected with the upper end of the supporting frame, the ladder stand comprises two support rods and a plurality of crosspieces, the two ends of the crosspieces are distributed along the extending direction of the support rods and are connected to the two support rods in a one-to-one correspondence mode, the upper ends of the auxiliary supporting feet are connected with the ladder stand or the supporting frame, the lower end of one auxiliary supporting foot exceeds one side of the ladder stand in the width direction, and the other auxiliary supporting foot exceeds the other side of the ladder stand in the width direction. The support frame can be a rod body, a shelf or a ladder stand. The utility model provides a herringbone ladder provided with auxiliary supporting legs and capable of effectively preventing dust and generating side turning, and solves the problem that the existing herringbone ladder is high in side turning risk.

Description

Herringbone ladder with auxiliary supporting legs

Technical Field

The utility model relates to a ladder, in particular to a herringbone ladder with auxiliary supporting legs.

Background

A herringbone ladder: a climbing tool for finishing work and the like in a space above a plane, such as a roof. When the ladder is used, the front ladder stand, the rear ladder stand (or the ladder frame and the supporting frame) and the ground form an isosceles triangle which looks like a herringbone, so that the ladder is called as a herringbone ladder.

The herringbone ladder comprises a fixed herringbone ladder and a movable herringbone ladder. The fixed herringbone ladder is a temporary building tool for people; the movable herringbone ladder connects the tops of two ladders together by hinges, can be combined when moving, and is widely applied to electrician operation due to the flexibility of the movable herringbone ladder. The early herringbone ladder is generally made of wood, and aluminum alloy materials are mostly utilized along with the development of the metal industry; the aluminum alloy herringbone ladder has the characteristics of lightness, attractiveness, durability and low manufacturing cost, and is widely used. When the force for generating lateral inclination is too large in the climbing process, the existing herringbone ladder has a large risk of side turning (falling along the width direction of the ladder).

SUMMERY OF THE UTILITY MODEL

The utility model provides a herringbone ladder provided with auxiliary supporting legs and capable of effectively preventing dust and generating side turning, and solves the problem that the existing herringbone ladder is high in side turning risk.

The technical problem is solved by the following technical scheme: the utility model provides an establish double ladder of supplementary supporting legs, includes a cat ladder and a support frame that is used for supporting the cat ladder and makes the cat ladder keep at the tilt state, the upper end of cat ladder links together with the upper end of support frame, the cat ladder includes two vaulting poles and a plurality of crosspieces that connect on two vaulting poles along the both ends one-to-one correspondence that the vaulting pole extending direction distributes, its characterized in that still includes two supplementary supporting legs, the upper end of supplementary supporting legs links together with cat ladder or support frame, and the lower extreme of an supplementary supporting legs surpasss one side of cat ladder width direction, and another supplementary supporting legs surpasss the opposite side of cat ladder width direction. The support frame can be a rod body, a shelf or a ladder stand. The support frame and the upper end of the ladder stand can be fixedly connected with the upper end support frame and the ladder stand to keep at a fixed opening angle, and the support frame and the ladder stand can also be hinged together to enable the opening angle to be adjustable. The lower end of the auxiliary supporting leg exceeds the ladder stand along the width of the ladder stand, so that the width size of the supporting surface of the ladder can be increased, and the ladder is not easy to turn on one side.

Preferably, the upper end of the ladder stand is hinged with the upper end of the support frame. Can adjust the angle of opening and fold and accomodate, convenience when having stored through the use.

Preferably, the auxiliary supporting leg is of a telescopic structure. The length of the supporting legs is adjusted according to the opening angle of the ladder, so that the supporting legs can always support the ground.

Preferably, the lower end of the ladder stand is provided with two anti-skidding supporting blocks distributed along the width direction of the ladder stand, and the supporting surface of each anti-skidding supporting block is provided with a plurality of anti-skidding teeth. The reliability of the ladder when supported on the ground can be improved, and the danger caused by the sliding and opening can be prevented.

Preferably, the support surface of the non-slip support block is arc-shaped, and a center line of a circle where the support surface is located extends in the width direction of the ladder stand. The reliability of the contact between the antiskid supporting block and the ground can be improved.

Preferably, the antiskid supporting block is provided with a plurality of damping holes which penetrate through the antiskid supporting block along the width direction of the ladder stand, and the antiskid teeth are of a rubber structure. The anti-seismic device can improve the anti-seismic effect of the anti-seismic device and prevent danger caused by the sliding of the ladder when impact drilling operation is carried out on the ladder.

Preferably, the lower ends of the two support rods are detachably connected to the lower cross rod, and the two anti-skid support blocks are connected to two ends of the lower cross rod. The selective installation of the antiskid supporting block can be conveniently carried out.

Preferably, the tread surface of the rail which supports the user's foot when the rail is in use is planar and the strut is perpendicular to the tread surface of the rail. When the novel shoe rack is used, the supporting surface is inclined in the groove, people are not prone to falling off the ground when feet slide, and the safety is good when the novel shoe rack is used.

Preferably, the two ends of the crosspiece are provided with connecting rings, the connecting rings are sleeved on the support rods, and the connecting rings are in threaded connection with connecting ring fixing bolts tightly propped against the support rods. The connection is reliable.

Preferably, a plurality of anti-skid convex strips extending along the width direction of the ladder stand are arranged on a pedal surface of the crosspiece for supporting feet of a user when the ladder stand is used, and a plurality of dirt discharge notches are formed in the anti-skid convex strips. The bottom surface of the sewage draining gap and the pedal surface are positioned on the same surface. The use is safe and new, and the cleaning is convenient.

The utility model has the following advantages: through setting up supplementary supporting legs, widen the area of double ladder holding surface, it is bigger to receive the required moment when double ladder produces turning on one's side to play the effect that reduces the risk of turning on one's side.

Drawings

FIG. 1 is a schematic view of the present invention in a split state;

FIG. 2 is an enlarged schematic view of the skid-resistant support block;

FIG. 3 is a schematic top view of a rung.

In the figure: the anti-skid device comprises a ladder stand 1, a support frame 2, a support rod 3, a crosspiece 4, auxiliary support legs 5, a lower cross rod 15, an anti-skid support block 6, anti-skid teeth 7, a support surface 8 of the anti-skid support block, a shock absorption hole 9, a pedal surface 10, a connecting ring 11, a connecting ring fixing bolt 12, an anti-skid convex strip 13 and a sewage discharge gap 14.

Detailed Description

The utility model is further described with reference to the following figures and examples.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to figures 1, 2 and 3, a trestle ladder provided with auxiliary support feet comprises a ladder stand 1 and a support frame 2 for supporting the ladder stand so that the ladder stand is maintained in an inclined position. The supporting frame 2 is also in a ladder climbing structure. The upper end of the ladder stand is hinged with the upper end of the supporting frame. The cat ladder includes two vaulting poles 3 and a plurality of both ends one-to-one correspondence connection rungs 4 on two vaulting poles that distribute along the vaulting pole extending direction. The utility model also comprises two auxiliary supporting feet 5. The upper ends of the auxiliary supporting legs are connected with the crosspiece of the ladder stand, the lower end of one auxiliary supporting leg exceeds one side of the width direction of the ladder stand, and the other auxiliary supporting leg exceeds the other side of the width direction of the ladder stand. The auxiliary supporting feet are telescopic structures, for example, the supporting rod of an FS400 electric fan of Wanlixi electric appliances Limited company in Cixi city is the structure. The lower ends of the two support rods are detachably connected to the lower cross rod 15, and two ends of the lower cross rod are respectively connected with an anti-skidding support block 6. The supporting surface of the antiskid supporting block is provided with a plurality of antiskid teeth 7. The anti-slip teeth are of rubber structures. The support surface 8 of the antiskid support block is arc-shaped, and the center line of the circle where the support surface is located extends along the width direction of the ladder stand. The antiskid supporting block is provided with a plurality of damping holes 9 which run through the antiskid supporting block along the width direction of the ladder stand. The tread 10 of the rail, which supports the user's foot when the rail is in use, is flat and the struts are perpendicular to the tread of the rail. Two ends of the crosspiece are provided with connecting rings 11 which are sleeved on the support rods, and the connecting rings are in threaded connection with connecting ring fixing bolts 12 which are tightly propped against the support rods. The tread is provided with a plurality of antiskid convex strips 13 extending along the width direction of the ladder stand, and the antiskid convex strips are provided with a plurality of dirt discharge gaps 14. The bottom surface of the sewage draining gap and the pedal surface are positioned on the same surface.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an establish double ladder of supplementary supporting legs, includes a cat ladder and a support frame that is used for supporting the cat ladder and makes the cat ladder keep at the tilt state, the upper end of cat ladder links together with the upper end of support frame, the cat ladder includes two vaulting poles and a plurality of crosspieces that connect on two vaulting poles along the both ends one-to-one correspondence that the vaulting pole extending direction distributes, its characterized in that still includes two supplementary supporting legs, the upper end of supplementary supporting legs links together with cat ladder or support frame, and the lower extreme of an supplementary supporting legs surpasss one side of cat ladder width direction, and another supplementary supporting legs surpasss the opposite side of cat ladder width direction.

2. A ladder set with auxiliary support legs as claimed in claim 1, wherein the upper ends of the ladder stand are hinged to the upper ends of the auxiliary support legs.

3. The ladder of claim 2, wherein the auxiliary leg is a telescoping structure.

4. The herringbone ladder with the auxiliary supporting feet as claimed in claim 1, 2 or 3, wherein the lower end of the herringbone ladder is provided with two anti-skidding supporting blocks distributed along the width direction of the herringbone ladder, and the supporting surface of each anti-skidding supporting block is provided with a plurality of anti-skidding teeth.

5. A trestle ladder with auxiliary support legs as claimed in claim 4, characterised in that the support surface of the non-skid support blocks is arc-shaped, the centre line of the circle in which the support surface is located extending in the width direction of the ladder.

6. The herringbone ladder with the auxiliary supporting legs as claimed in claim 4, wherein the anti-slip supporting blocks are provided with a plurality of shock absorption holes penetrating through the anti-slip supporting blocks in the width direction of the ladder, and the anti-slip teeth are of a rubber structure.

7. The herringbone ladder with the auxiliary supporting feet as claimed in claim 4, wherein the lower ends of the two supporting rods are detachably connected to the lower cross bar, and the two anti-slip supporting blocks are connected to both ends of the lower cross bar.

8. A ladder as claimed in claim 1, 2 or 3, in which the tread surface of the crosspiece on which the user's foot is supported in use is planar and the struts are perpendicular to the tread surface of the crosspiece.

9. The herringbone ladder with the auxiliary supporting legs as claimed in claim 8, wherein the two ends of the crosspiece are provided with connecting rings, the connecting rings are sleeved on the supporting rods, and connecting ring fixing bolts tightly propped against the supporting rods are in threaded connection with the connecting rings.

10. A ladder as claimed in claim 1, 2 or 3, wherein the tread of the crosspiece which supports the user's foot when in use is provided with a plurality of anti-slip strips extending in the width direction of the ladder, said strips being provided with a plurality of dirt-removing notches.