阅读说明：本技术 一种步距可调的挂梯 (Step-adjustable hanging ladder ) 是由 郭祯翔 于 2018-07-07 设计创作，主要内容包括：一种步距可调的挂梯,属于攀爬用登高辅助领域。其特征在于：包括左、右梯杆,左、右梯杆的上端设置挂装装置,所述左、右梯杆上分别开设踩杆插孔,在踩杆插孔中插入踩杆,左梯杆上插装的踩杆右端设置踩杆挡头,右梯杆上插装的踩杆左端设置踩杆挡头；还包括两个圆盘形的步距调节轮,在每个步距调节轮上分别沿步距调节轮的中轴线对称设置左踩杆调节孔和右踩杆调节孔,所述步距调节轮的左踩杆调节孔和右踩杆调节孔分别套装固定在左、右梯杆的相邻踩杆上。本发明能够方便的调节攀登步距且能够悬挂使用,只需在室内屋顶或书架上预设水平挂杆,即可通过挂装装置将梯子挂在水平挂杆上,方便移动且防止出现倾倒失稳的危险状况。(A step adjustable hanging ladder belongs to the climbing auxiliary field. The method is characterized in that: the ladder comprises a left ladder bar and a right ladder bar, wherein the upper ends of the left ladder bar and the right ladder bar are provided with hanging devices, the left ladder bar and the right ladder bar are respectively provided with a treading bar jack, a treading bar is inserted into the treading bar jack, the right end of the treading bar inserted into the left ladder bar is provided with a treading bar stopper, and the left end of the treading bar inserted into the right ladder bar is provided with a treading bar stopper; the device is characterized by further comprising two disc-shaped step adjusting wheels, wherein a left pedal rod adjusting hole and a right pedal rod adjusting hole are symmetrically formed in each step adjusting wheel along the central axis of the step adjusting wheel, and the left pedal rod adjusting hole and the right pedal rod adjusting hole of each step adjusting wheel are respectively sleeved and fixed on the adjacent pedal rods of the left ladder rod and the right ladder rod. The ladder can conveniently adjust the climbing step pitch and can be hung for use, and the ladder can be hung on the horizontal hanging rod through the hanging device only by presetting the horizontal hanging rod on the indoor roof or the bookshelf, so that the ladder is convenient to move and the dangerous situation of toppling and instability is prevented.)

1. The utility model provides a step adjustable hangs ladder which characterized in that: the ladder comprises a left ladder bar and a right ladder bar, wherein the upper ends of the left ladder bar and the right ladder bar are provided with hanging devices, the left ladder bar and the right ladder bar are respectively provided with a treading bar jack, a treading bar is inserted into the treading bar jack, the right end of the treading bar inserted into the left ladder bar is provided with a treading bar stopper, and the left end of the treading bar inserted into the right ladder bar is provided with a treading bar stopper; the device is characterized by further comprising two disc-shaped step adjusting wheels, wherein a left pedal rod adjusting hole and a right pedal rod adjusting hole are symmetrically formed in each step adjusting wheel along the central axis of the step adjusting wheel, and the left pedal rod adjusting hole and the right pedal rod adjusting hole of each step adjusting wheel are sleeved and fixed on the adjacent pedal rods of the left ladder rod and the right ladder rod respectively; all set up the position fixing hole on every step adjustment wheel, still include length-adjustable connecting rod, the both ends fixed bolt of connecting rod, the connecting rod inserts the position fixing hole on inserting two step adjustment wheels respectively through two bolts, the axis in position fixing hole does not adjust the axis collineation of wheel with the step.

2. The ladder of claim 1, wherein: the number of the position fixing holes on the step adjusting wheel is more than three, and each position fixing hole surrounds the central axis of the step adjusting wheel and is in a circular ring array.

3. The ladder of claim 2, wherein: the connecting rod comprises a hollow sleeve and two screw rods, and internal threads are formed in the inner wall of the hollow sleeve; the screw rods are respectively connected with two ends of the hollow sleeve through threads, and the tail ends of the screw rods are respectively and vertically provided with bolts; the whole length of the connecting rod can be adjusted by rotating the two screw rods.

4. The ladder of claim 3, wherein: the hanging device comprises a high-strength arc-shaped hanging ring, and two ends of the arc-shaped hanging ring are fixed to the upper ends of the left ladder rod and the right ladder rod respectively through pin rods.

5. The ladder of claim 4, wherein: the left and right height adjusting support legs are respectively installed at the lower ends of the left and right ladder bars through threads.

Technical Field

The invention belongs to the field of climbing assistance, and particularly relates to a step-adjustable hanging ladder.

Background

The step distance of the traditional ladder for climbing is not adjustable, and the ladder is easy to be placed and unstable, and is not used by old people with inconvenient legs and feet or children with smaller step distance. In view of the above problems, the applicant designs a step-adjustable hanging ladder, which can conveniently adjust the climbing step and can be hung for use, so as to prevent the dangerous situation of toppling and instability, and is particularly suitable for taking and placing books in libraries or study rooms.

Disclosure of Invention

The invention aims to solve the technical problem of providing a step-adjustable hanging ladder, which can conveniently adjust the climbing step and can be used in a hanging manner, so that the dangerous situation of toppling and instability is prevented.

In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a step adjustable hangs ladder which characterized in that: the ladder comprises a left ladder bar and a right ladder bar, wherein the upper ends of the left ladder bar and the right ladder bar are provided with hanging devices, the left ladder bar and the right ladder bar are respectively provided with a treading bar jack, a treading bar is inserted into the treading bar jack, the right end of the treading bar inserted into the left ladder bar is provided with a treading bar stopper, and the left end of the treading bar inserted into the right ladder bar is provided with a treading bar stopper; the device is characterized by further comprising two disc-shaped step adjusting wheels, wherein a left pedal rod adjusting hole and a right pedal rod adjusting hole are symmetrically formed in each step adjusting wheel along the central axis of the step adjusting wheel, and the left pedal rod adjusting hole and the right pedal rod adjusting hole of each step adjusting wheel are sleeved and fixed on the adjacent pedal rods of the left ladder rod and the right ladder rod respectively; all set up the position fixing hole on every step adjustment wheel, still include length-adjustable connecting rod, the both ends fixed bolt of connecting rod, the connecting rod inserts the position fixing hole on inserting two step adjustment wheels respectively through two bolts, the axis in position fixing hole does not adjust the axis collineation of wheel with the step.

Preferably, the number of the position fixing holes on the step adjusting wheel is more than three, and each position fixing hole surrounds the central axis of the step adjusting wheel and is in a circular ring array.

Preferably, the connecting rod comprises a hollow sleeve and two screws, and an internal thread is formed on the inner wall of the hollow sleeve; the screw rods are respectively connected with two ends of the hollow sleeve through threads, and the tail ends of the screw rods are respectively and vertically provided with bolts; the whole length of the connecting rod can be adjusted by rotating the two screw rods.

Preferably, the hanging device comprises a high-strength arc-shaped hanging ring, and two ends of the arc-shaped hanging ring are fixed to the upper ends of the left ladder rod and the right ladder rod respectively through pin rods.

Preferably, still include left and right altitude mixture control stabilizer blade, left and right altitude mixture control stabilizer blade is installed at the lower extreme of left and right ladder pole through the screw thread respectively.

Compared with the prior art, the invention has the beneficial effects that:

1. the ladder can conveniently adjust the climbing step distance and can be hung for use, and is particularly suitable for taking and placing books in a library or a study, and the ladder can be hung on the horizontal hanging rod through the hanging device only by presetting the horizontal hanging rod on the indoor roof or the bookshelf, so that the ladder is convenient to move and the dangerous situation of toppling and instability is prevented.

2. The mechanism of this device is the concise optimization of design, and the practicality is strong, and suitable popularization in the industry is promoted.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the A-direction structure of FIG. 1;

FIG. 3 is a schematic view of the structure after adjustment for pitch reduction;

FIG. 4 is a schematic view of the suspension of the present invention in use;

FIG. 5 is a schematic view of a connecting rod configuration;

in the figure: 1. a left ladder bar; 2. a step pitch adjusting wheel; 3. a connecting rod; 4. a left height adjustment leg; 5. a right height adjustment leg; 6. treading the rod; 7. treading the rod jack; 8. a right ladder bar; 9. a step-on bar stop; 10. a left pedal rod adjusting hole; 11. a position fixing hole; 12. a right pedal rod adjusting hole; 13. a horizontal hanging rod; 14. an arc-shaped suspension loop; 15. a pin rod; 16. a bolt; 17. a screw; 18. a hollow cannula.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and 2, the step-adjustable hanging ladder comprises a left ladder rod and a right ladder rod, wherein hanging devices are arranged at the upper ends of the left ladder rod and the right ladder rod, pedal rod jacks are respectively formed in the left ladder rod and the right ladder rod, pedal rods are inserted into the pedal rod jacks, a pedal rod stop head is arranged at the right end of the pedal rod inserted into the left ladder rod, and a pedal rod stop head is arranged at the left end of the pedal rod inserted into the right ladder rod; the device is characterized by further comprising two disc-shaped step adjusting wheels, wherein a left pedal rod adjusting hole and a right pedal rod adjusting hole are symmetrically formed in each step adjusting wheel along the central axis of the step adjusting wheel, and the left pedal rod adjusting hole and the right pedal rod adjusting hole of each step adjusting wheel are sleeved and fixed on the adjacent pedal rods of the left ladder rod and the right ladder rod respectively; all set up the position fixing hole on every step adjustment wheel, still include length-adjustable connecting rod, the both ends fixed bolt of connecting rod, the connecting rod inserts the position fixing hole on inserting two step adjustment wheels respectively through two bolts, the axis in position fixing hole does not adjust the axis collineation of wheel with the step.

The number of the position fixing holes on the step adjusting wheel is more than three, and each position fixing hole surrounds the central axis of the step adjusting wheel and is in a circular ring array.

As shown in fig. 5, the connecting rod includes a hollow sleeve and two screws, and an inner thread is formed on the inner wall of the hollow sleeve; the screw rods are respectively connected with two ends of the hollow sleeve through threads, and the tail ends of the screw rods are respectively and vertically provided with bolts; the whole length of the connecting rod can be adjusted by rotating the two screw rods.

The hanging device comprises a high-strength arc-shaped hanging ring, and two ends of the arc-shaped hanging ring are fixed to the upper ends of the left ladder rod and the right ladder rod respectively through pin rods.

The left and right height adjusting support legs are respectively installed at the lower ends of the left and right ladder bars through threads.

As shown in fig. 2 and 3, when the step pitch needs to be adjusted, the pin rod is pulled down first, and the arc-shaped hanging ring is detached; the connecting rod is disassembled, after the distance between the adjacent treading rods on the left ladder rod and the right ladder rod is set, the connecting rod is adjusted, the connecting rod is inserted into the position fixing holes on the two step adjusting wheels through the two bolts, the relative positions of the two step adjusting wheels are fixed, the two step adjusting wheels can not rotate independently, and therefore the set step is fixed. As shown in fig. 4, the installation is fixed to the left ladder bar through the pin rod, the other end of the arc-shaped hanging ring spans the horizontal hanging bar, and then the other end of the arc-shaped hanging ring is fixed to the right ladder bar through the pin rod, so that the ladder can be used.

The ladder can conveniently adjust the climbing step distance and can be hung for use, and is particularly suitable for taking and placing books in a library or a study, and the ladder can be hung on the horizontal hanging rod through the hanging device only by presetting the horizontal hanging rod on the indoor roof or the bookshelf, so that the ladder is convenient to move and the dangerous situation of toppling and instability is prevented.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention, without departing from the technical solution of the present invention, still belong to the protection scope of the technical solution of the present invention.