CN214034450U

CN214034450U - Loft ladder with balance rod on bottom foot

Info

Publication number: CN214034450U
Application number: CN202021884499.4U
Authority: CN
Inventors: 傅能志
Original assignee: Pujiang Concept Of Hardware Technology Co ltd
Current assignee: Pujiang Concept Of Hardware Technology Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-08-24
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a footing takes attic ladder of balancing pole, include: the ladder comprises a ladder frame, a ladder plate group, an adjusting frame, a detachable handrail, a telescopic balancing rod and an auxiliary safety assembly; the ladder frame is provided with two oppositely arranged ladder posts; a plurality of first round rods are connected between the two ladder columns through bolts; an adjusting frame is hinged above the first round rod at the top of the two ladder posts; the ladder plate group is arranged between the two ladder columns through the shaft connection with the first round rod; the bottom feet of the two ladder columns are fixedly connected with telescopic balancing rods, the middle parts of the telescopic balancing rods are provided with handrails, and the top parts of the telescopic balancing rods are fixedly provided with auxiliary safety components; the utility model discloses a footing takes attic ladder of balancing pole, the flexible balancing pole of footing department has increaseed the span of support about the ladder, and the assurance ladder of maximize does not take place the horizontal tilt, and the support arm of accessory safety subassembly adopts the rectangle structure, has increased and has grabbed the land fertility, has strengthened the security, and spacing bolt on the support arm can also make the ladder satisfy some special occasions and use simultaneously.

Description

Loft ladder with balance rod on bottom foot

Technical Field

The utility model relates to a bottom foot takes loft of balancing pole.

Background

Many storefronts and houses are all attics, and householders climb up and down every day, and safety is especially important, and the attic stairs on the market at present have two defects, one is that the width of the attic stairs is fixed, and is generally only 60-80 cm wide, and under the condition of carrying on the back heavy object or working aloft on the ladder, the ladder easily topples left and right, or slides, and the like, and the ladder with the width of 60-80 cm on the market is difficult to guarantee not to topple left and right, and the other is that the safety hook at the top of the attic stairs is made into an umbrella hook handle shape, and if no corresponding hook-shaped object exists, the safety hook only contacts with a point on a plane floor, and cannot provide installation guarantee at all.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the problem, the utility model provides a bottom foot takes loft of balancing pole.

(II) technical scheme

The utility model discloses a footing takes attic ladder of balancing pole, include: the ladder comprises a ladder frame, a ladder plate group, an adjusting frame, a detachable handrail, a telescopic balancing rod and an auxiliary safety assembly; the ladder frame is provided with two oppositely arranged ladder posts; a plurality of first round rods are connected between the two ladder columns through bolts; an adjusting frame is hinged above the first round rod at the top of the two ladder posts; the ladder plate group is arranged between the two ladder columns through the shaft connection with the first round rod; the telescopic balance rods are fixedly connected with the bottom feet of the two ladder columns, the middle parts of the telescopic balance rods are provided with handrails, and the top parts of the telescopic balance rods are fixedly provided with auxiliary safety components.

Furthermore, the telescopic balancing rod is provided with a main through pipe with two open ends; two ends of the main through pipe are fixedly connected with guide sleeves; the main through pipe is sleeved with two telescopic rods which can extend outwards towards two ends respectively; the outward extending end of the telescopic rod is connected with a supporting anti-skid block; the supporting anti-skid blocks are supported by rubber, the bottoms of the supporting anti-skid blocks are arc-shaped, and anti-skid grooves are formed in the arc surfaces; a locking mechanism for fixing the telescopic rod is arranged on the side wall of the main through pipe, and an inverted trapezoidal through hole is formed at the position corresponding to the locking mechanism; the locking mechanism includes: pin shaft, rubber block and pull buckle; the pin shaft is fixedly connected with a rubber pressing block and a pull buckle; and two ends of the pin shaft are correspondingly and axially connected with the main through pipe.

Further, the adjunct security component includes: a mounting seat and a supporting arm; the mounting seats are correspondingly fixed on the ladder posts; a sliding groove is formed in the mounting seat, and a sliding block is connected in the sliding groove in a sliding manner; the supporting arm is divided into a connecting end and a supporting end, wherein the connecting end is positioned on the outer side of the mounting seat and is correspondingly connected and fixed with the sliding block through a bolt, and the supporting end is of a rectangular block structure.

Furthermore, a plurality of bolt through holes are formed in the supporting end of the supporting arm, and limiting bolts are correspondingly inserted into the bolt through holes.

Further, the elevator group comprises: the first ladder plate, the second ladder plate and the two first connecting strips are sequentially arranged; the two first connecting strips are arranged on two sides of the first ladder board and the second ladder board and are connected with all the first ladder boards and the second ladder boards in a hinged mode; the same ends of the first step plate and the second step plate are transversely provided with second through holes which are correspondingly coupled with the first round rods; the first step plate is correspondingly coupled with a first round rod at the top; and a buckling groove is further formed in the bottom surface of the other end of the first ladder board.

Further, the adjusting bracket includes: two second connecting strips and a plurality of second round rods; one ends of the two second connecting strips are respectively hinged with the two ladder posts; a plurality of second round rods are fixedly connected between the two second connecting strips through hand-screwed bolts in a screwed mode; the second round rod is correspondingly buckled into the buckling groove.

Further, the armrest includes: the support rod and the two connecting buckles; the connecting buckle is integrally made of plastic, has certain elasticity, and is provided with a clamping groove and a nesting groove which are correspondingly clamped with the ladder column; the side wall of the nesting groove is provided with a clamping hole; the end part of the holding rod is nested in the nesting groove; the holding rod is made of a hollow tube, and spring pieces are fixedly arranged in the tube openings at the two ends of the holding rod; the spring piece is provided with a clamping table; the pipe walls at the two ends of the supporting rod are provided with avoiding holes; the clamping table penetrates through the avoiding hole and is correspondingly clamped into the clamping hole.

Furthermore, the outer sides of the two ends of the first round rod are provided with a limiting sleeve for preventing the ladder board set from moving left and right.

Furthermore, the bottom foot of the ladder column is provided with a notch, and the ladder column is fixed by a bolt jacking mode after correspondingly clamping the main through pipe of the telescopic balancing rod.

(III) advantageous effects

The utility model discloses it has following beneficial effect:

the utility model discloses a footing takes attic ladder of balancing pole, the flexible balancing pole of footing department has increaseed the span of support about the ladder, and the assurance ladder of maximize does not take place the horizontal tilt, and the support arm of accessory safety subassembly adopts the rectangle structure, has increased and has grabbed the land fertility, has strengthened the security, and spacing bolt on the support arm can also make the ladder satisfy some special occasions and use simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the mechanism of the middle telescopic balance bar of the present invention.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is a sectional view at B in fig. 2.

Fig. 5 is a schematic mechanism diagram of the safety subassembly attached to the present invention.

Fig. 6 is a schematic structural diagram of the adjusting bracket of the present invention.

Fig. 7 is a cross-sectional view of the middle step and the step frame of the present invention.

Fig. 8 is a cross-sectional view of a first step in the present invention.

Fig. 9 is a sectional view of the armrest according to the present invention.

Fig. 10 is an enlarged view at C in fig. 9.

Detailed Description

As shown in fig. 1-10, an attic ladder with balance bars on its feet comprises: the ladder comprises a ladder frame 1, a ladder plate group 2, an adjusting frame 3, detachable handrails 4, telescopic balancing rods 5 and an auxiliary safety assembly 6; the ladder frame 1 is provided with two oppositely arranged ladder posts 11; a plurality of first round rods 12 are connected between the two ladder posts 11 through bolts; an adjusting frame 3 is hinged above the first round rod 12 at the topmost part of the two ladder posts 11; the ladder plate group 2 is arranged between two ladder posts 11 through being connected with a first round rod 12 in a shaft mode; the bottom feet of the two ladder columns 11 are fixedly connected with a telescopic balancing rod 5, the middle part of the two ladder columns is provided with a handrail 4, and the top of the two ladder columns is fixedly provided with an auxiliary safety component 6.

Referring to fig. 2, 3 and 4, the telescopic balance bar 5 is provided with a main through pipe 51 with two open ends; two ends of the main through pipe 51 are fixedly connected with guide sleeves 52; the main through pipe 51 is sleeved with two telescopic rods 53 which can extend outwards towards two ends respectively; the outward extending end of the telescopic rod 53 is connected with a supporting anti-skid block 55; the supporting anti-skid block 55 is supported by rubber, the bottom of the supporting anti-skid block is arc-shaped, and an anti-skid groove 551 is formed in the arc surface; a locking mechanism 54 for fixing the telescopic rod 53 is installed on the side wall of the main through pipe 51, and an inverted trapezoidal through hole 511 is formed at the position corresponding to the locking mechanism 54; the lock mechanism 54 includes: a pin 541, a rubber pressing block 542 and a toggle 543; a rubber pressing block 542 and a wrench 543 are fixedly connected to the pin 541; two ends of the pin 541 are correspondingly and axially connected to the main through pipe 51.

As shown with reference to fig. 5, the secondary safety assembly 6 comprises: a mounting seat 61 and a support arm 62; the mounting seat 61 is correspondingly fixed on the ladder post 11; a sliding groove 611 is formed in the mounting seat 61, and a sliding block 612 is slidably connected in the sliding groove 611; the supporting arm 62 is divided into a connecting end and a supporting end, wherein the connecting end is located at the outer side of the mounting seat 61 and is correspondingly connected and fixed with the sliding block 612 through a bolt, and the supporting end is a rectangular block structure.

Preferably, a plurality of bolt through holes 621 are arranged at the supporting end of the supporting arm 62, and a limiting bolt 622 is correspondingly inserted, wherein the limiting bolt 622 can well play a role in preventing the ladder column from falling backwards in some occasions.

Referring to fig. 1, the elevator group 2 includes: the first step plate 21, the second step plate 22 and the two first connecting strips 23 are sequentially arranged; the two first connecting strips 23 are mounted at two sides of the first ladder board 21 and the second ladder board 22 and connected with all the first ladder board 21 and the second ladder board 22 in a hinged mode; the same ends of the first step plate 21 and the second step plate 22 are transversely provided with second through holes 24 which are correspondingly coupled with the first round rods 12; the first step plate 21 is correspondingly coupled with the first round bar 12 at the top; the bottom surface of the other end of the first ladder board 21 is further provided with a buckling groove 211.

Referring to fig. 6, the adjusting bracket 3 includes: two second connecting bars 31 and a plurality of second round rods 32; one end of each of the two second connecting strips 31 is hinged to the two ladder posts 11; a plurality of second round rods 32 are screwed and fixed between the two second connecting strips 31 through hand-screwed bolts 33; the second round bar 32 is correspondingly buckled into the buckling groove 211.

Referring to fig. 9 and 10, the armrest 4 includes: a holding rod 41 and two connecting buckles 42; the connecting buckle 42 is integrally made of plastic, has certain elasticity, and is provided with a clamping groove 421 correspondingly clamping the ladder column 11 and a nesting groove 422; the side wall of the nesting groove 422 is provided with a clamping hole 423; the end part of the supporting rod 41 is nested in the nesting groove 422; the holding rod 41 is made of a hollow tube, and spring pieces 411 are fixedly arranged in pipe orifices at two ends of the holding rod; a clamping table 412 is arranged on the spring piece 411; the pipe walls at the two ends of the supporting rod 41 are provided with avoiding holes 413; the clamping platform 412 passes through the avoiding hole 413 and is correspondingly clamped in the clamping hole 423.

Preferably, the outer sides of the two ends of the first round bar 12 are sleeved with limiting sleeves 7 for preventing the elevator plate group 2 from moving left and right.

Preferably, the bottom of the ladder post 11 is provided with a notch, and the notch is correspondingly clamped with the main through pipe 51 of the telescopic balance bar 5 and then fixed by a bolt jacking mode.

When the ladder is used, the telescopic rod 53 in the telescopic balancing rod 5 is pulled out, the locking mechanism 54 is pulled to fix the telescopic rod 53, the left and right support spans of the ladder are increased, and the ladder can be effectively prevented from toppling left and right; then, any one of the ladder boards is pulled, all the ladder boards can rotate by a certain angle according to the corresponding first round rods 12 under the drive of the first connecting bar 23, and after the required angle is reached, the corresponding second round rods 32 on the adjusting frame are clamped into the buckling grooves 211 of the first ladder board 21, so that the effect of supporting and fixing the ladder boards can be achieved, and different second round rods 32 are only required to be buckled into the buckling grooves 211 of the first ladder board 21 aiming at attics with different heights; in addition, the handrail 4 is connected to the ladder post 11 in a buckling manner, and when the handrail is not needed, only the connecting buckle 42 needs to be pulled out, and the holding rod 41 and the connecting buckle 42 can be separated by pressing the clamping table 412; the support arm 62 of subsidiary safety subassembly 6 can the rotation, also can reciprocate along with slider 612 simultaneously, and the angle of adjustment of being convenient for support arm 62 obtains the biggest contact surface with the floor, in order to promote and grab the land fertility, spacing bolt 622 on the support arm 62 is for facilitating the ladder to lean on some crossbeam or wall body in addition, and spacing bolt 622 plays the frame and detains the effect, plays the effect that prevents to fall behind the ladder, has strengthened the security performance of ladder.

It is to be understood that the exemplary embodiments described herein are illustrative and not restrictive; although the embodiments of the present invention have been described with reference to the accompanying drawings, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An attic ladder with balance bars at the feet, comprising: the ladder comprises a ladder frame (1), a ladder plate group (2), an adjusting frame (3), a detachable handrail (4), a telescopic balancing rod (5) and an auxiliary safety component (6); the method is characterized in that: the ladder frame (1) is provided with two ladder posts (11) which are oppositely arranged; a plurality of first round rods (12) are connected between the two ladder posts (11) through bolts; an adjusting frame (3) is hinged above the first round rod (12) at the top of the two ladder posts (11); the ladder plate group (2) is mounted between the two ladder columns (11) through a shaft joint with the first round rod (12); the bottom feet of the two ladder columns (11) are fixedly connected with a telescopic balancing rod (5), the middle part of the ladder column is provided with a handrail (4), and the top of the ladder column is fixedly provided with an auxiliary safety component (6).

2. The loft ladder with the bottom foot provided with the balance bar is characterized in that the telescopic balance bar (5) is provided with a main through pipe (51) with two open ends; two ends of the main through pipe (51) are fixedly connected with guide sleeves (52); the main through pipe (51) is sleeved with two telescopic rods (53) which can extend outwards towards two ends respectively; the outward extending end of the telescopic rod (53) is connected with a supporting anti-skid block (55); the supporting anti-skid blocks (55) are supported by rubber, the bottoms of the supporting anti-skid blocks are arc-shaped, and anti-skid grooves (551) are formed in the arc surfaces; a locking mechanism (54) for fixing the telescopic rod (53) is arranged on the side wall of the main through pipe (51), and an inverted trapezoidal through hole (511) is formed at the position corresponding to the locking mechanism (54); the locking mechanism (54) includes: a pin shaft (541), a rubber pressing block (542) and a wrench buckle (543); a rubber pressing block (542) and a wrench buckle (543) are fixedly connected to the pin shaft (541); and two ends of the pin shaft (541) are correspondingly and axially connected with the main through pipe (51).

3. A loft ladder with a foot-balanced beam according to claim 1, characterized in that the accessory safety group (6) comprises: a mounting base (61) and a support arm (62); the mounting seat (61) is correspondingly fixed on the ladder column (11); a sliding groove (611) is formed in the mounting seat (61), and a sliding block (612) is connected in the sliding groove (611) in a sliding manner; the supporting arm (62) is divided into a connecting end and a supporting end, wherein the connecting end is positioned on the outer side of the mounting seat (61) and correspondingly connected and fixed with the sliding block (612) through a bolt, and the supporting end is of a rectangular block structure.

4. The loft ladder with the balancing pole on the foot is characterized in that a plurality of bolt through holes (621) are arranged on the supporting end of the supporting arm (62), and a limiting bolt (622) is correspondingly inserted.

5. A loft ladder with balance bars at the bottom, according to claim 1, characterized in that the set of ladder plates (2) comprises: a first step (21), a second step (22) and two first connecting strips (23) which are arranged in sequence; the two first connecting strips (23) are arranged on two sides of the first ladder board (21) and the second ladder board (22) and are connected with all the first ladder boards (21) and the second ladder boards (22) in a hinged mode; the same end of the first step plate (21) and the second step plate (22) is transversely provided with a second through hole (24) which is correspondingly coupled with the first round rod (12); the first step plate (21) is correspondingly coupled with the first round bar (12) at the topmost part; the bottom surface of the other end of the first ladder board (21) is also provided with a buckling groove (211).

6. Loft ladder with a foot provided with a balancing pole according to claim 1, characterized in that said adjusting rack (3) comprises: two second connecting strips (31) and a plurality of second round rods (32) with the same structure as the first round rods (12); one ends of the two second connecting strips (31) are respectively hinged with the two ladder posts (11); a plurality of second round rods (32) are fixed between the two second connecting strips (31) in a threaded manner through hand-screwed bolts (33); the second round rod (32) is correspondingly buckled into the buckling groove (211).

7. A loft ladder with a foot provided with a balance bar according to claim 1, characterized in that the handrail (4) comprises: a holding rod (41) and two connecting buckles (42); the connecting buckle (42) is integrally made of plastic, has certain elasticity, and is provided with a clamping groove (421) and a nesting groove (422) which are correspondingly clamped with the ladder column (11); the side wall of the embedding groove (422) is provided with a clamping hole (423); the end part of the supporting rod (41) is nested in the nesting groove (422); the supporting rod (41) is made of a hollow pipe, and spring pieces (411) are installed and fixed in pipe orifices at two ends of the supporting rod; a clamping table (412) is arranged on the spring piece (411); the pipe walls at the two ends of the supporting rod (41) are provided with avoiding holes (413); the clamping table (412) penetrates through the avoiding hole (413) and is correspondingly clamped into the clamping hole (423).

8. The loft ladder with the balance rod on the foot is characterized in that a limiting sleeve (7) for preventing the ladder plate group (2) from moving left and right is sleeved outside the two ends of the first round rod (12).

9. The loft ladder with the balancing pole at the foot according to claim 1 is characterized in that the foot of the ladder post (11) is provided with a notch, and the notch is correspondingly clamped with a main through pipe (51) of the telescopic balancing pole (5) and then fixed in a bolt tightening mode.