CN211008418U

CN211008418U - Assembled straight ladder

Info

Publication number: CN211008418U
Application number: CN201921615278.4U
Authority: CN
Inventors: 郭蓉; 李慧林
Original assignee: Dongguan Hongyu Century Construction Engineering Co ltd
Current assignee: Dongguan Hongyu Century Construction Engineering Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-07-14
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses an assembled vertical ladder, which has the technical scheme that the assembled vertical ladder comprises two parallel stand columns and a plurality of cross rods arranged between the two stand columns, wherein one end of each stand column is hinged with a telescopic rod, the telescopic rods are arranged along the length direction of the stand columns, and the stand columns are provided with locking components for limiting the telescopic rods to rotate; the side wall of the upright post is provided with a containing groove for containing the telescopic rod; the stand includes first stand and second stand, the one end of first stand articulate in the second stand, be provided with fixed subassembly between first stand and the second stand, fixed subassembly is used for making first stand and second stand reciprocal anchorage. This technique allows for ease of use without a wall or support surface.

Description

Assembled straight ladder

Technical Field

The utility model relates to a ladder field, more specifically says, it relates to an equipment vertical ladder.

Background

The equipment can not be used for climbing equipment such as ladders in the process of equipment home special repair or equipment installation at present, and at present, the climbing equipment commonly used for installing and repairing the home equipment is ladders.

The ladder is provided with two long thick rods as edges, and the middle of the ladder transversely penetrates through a cross rod suitable for climbing and is used for ascending. The ladder on the market at present has traditional vertical ladder and double ladder.

Traditional vertical ladder, in the in-process of using, the one end of vertical ladder need lean on and support as the stress point on the wall body, and when meetting the condition that does not have wall or holding surface, then use more inconveniently.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide an equipment vertical ladder for still can facilitate the use under the condition that does not have wall or holding surface.

The utility model discloses a technical scheme realize like this: an assembled vertical ladder comprises two parallel stand columns and a plurality of cross rods arranged between the two stand columns, wherein one ends of the stand columns are hinged with telescopic rods, the telescopic rods are arranged along the length direction of the stand columns, and locking assemblies used for limiting the telescopic rods to rotate are arranged on the stand columns;

the side wall of the upright post is provided with a containing groove for containing the telescopic rod; the stand includes first stand and second stand, the one end of first stand articulate in the second stand, be provided with fixed subassembly between first stand and the second stand, fixed subassembly is used for making first stand and second stand reciprocal anchorage.

By adopting the technical scheme, when the vertical ladder is not provided with a wall surface as a support, the telescopic rod can be moved out of the accommodating groove, the telescopic rod is fixed through the locking component, and then the length of the telescopic rod is adjusted, so that one end of the telescopic rod is supported on the ground, and one end of the vertical ladder is supported, so that the vertical ladder can be conveniently used when the wall surface or the supporting surface is not provided; when need not to use the ladder, can convert into two sections with the ladder to change the length of ladder, and then be convenient for transport and place, promptly, establish the stand into by first stand and second stand articulated formation mutually, when need not to use the ladder, can rotate first stand around the pin joint to with the laminating of second stand can.

As a further improvement of the utility model, the telescopic link is located including interior pole and cover the sleeve of interior pole, telescopic one end articulate in the second stand, the one end of interior pole is provided with the external screw thread, the one end that the pin joint was kept away from to the sleeve is provided with screw-thread fit in the internal thread of external screw thread.

Through adopting foretell technical scheme, when needs use the telescopic link to support, can shift out the telescopic link from the storage tank in, then pull interior pole so that interior pole slides along the sleeve, when the external screw thread on interior pole removed to the internal screw thread position, rotatable interior pole so that interior pole and sleeve threaded connection and fixed.

As a further improvement, the locking subassembly including set up in the lateral wall of stand set up the jack and peg graft cooperate in the inserted bar of jack, the locating hole has been seted up on the sleeve, when the relative post of sleeve rotated to the locating hole and aligns with the jack, the inserted bar can insert the insertion the jack.

Through adopting foretell technical scheme, when the vertical ladder does not have the wall as the support, can shift out the telescopic link from the storage tank to make locating hole and jack align, then in inserting the jack with the inserted bar, and then the rotation of restriction telescopic link.

As a further improvement of the present invention, the fixing member includes a hook fastener provided in the hook fastener of the first stand and a hook fastener provided in the hook fastener, the hook fastener is provided in the second stand.

Through adopting foretell technical scheme, through the cooperation of hasp and hasp between first stand and the second stand, the staff of being convenient for fixes first stand and second stand to it is more convenient to make the use of ladder.

As a further improvement, the second stand is provided with a limiting block, the side wall of the limiting block is provided with a clamping groove, the side wall of the first stand is provided with a clamping block, the first stand can rotate relative to the second stand to match the clamping block with the clamping groove.

Through adopting foretell technical scheme, add the stopper through the lateral wall at the second stand for when the relative second stand of first stand rotated to the stopper of contradicting, formed double ladder structure between first stand and the second stand, then in inserting the draw-in groove with the fixture block joint, so that first stand and second stand relatively fixed, and then make the straight ladder become double ladder, so that staff's use.

As a further improvement, the threaded hole is opened to the lateral wall of fixture block, screw hole female fit has the bolt, the perforation that supplies the bolt to wear to establish is seted up to the lateral wall of stopper.

Through adopting foretell technical scheme, through addding the bolt so that the fixture block is connected more firmly with the stopper, improved the stability of double ladder.

As a further improvement, the two ends of the stand are provided with elastic rubber pads, which are coated on the side walls of the stand.

Through adopting foretell technical scheme, add the elastic rubber pad and can improve the frictional force between first stand and second stand and the ground to make the ladder be difficult to take place to skid at the in-process that uses, and then cause the incident.

To sum up, the utility model discloses following beneficial effect has:

1. when the vertical ladder is not provided with a wall surface as a support, the telescopic rod can be moved out of the accommodating groove, and then the length of the telescopic rod is adjusted, so that one end of the telescopic rod is supported on the ground, and one end of the vertical ladder is further supported;

2. when the ladder is not needed, the ladder can be folded into two sections so as to change the length of the ladder, and further the ladder is convenient to carry and place.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is an enlarged view of a portion of the first post of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 4 is a schematic structural view of the straight ladder of the present embodiment after being folded into a herringbone ladder;

fig. 5 is an enlarged view of a portion of the second post of fig. 4.

In the figure: 1. a column; 101. a first upright post; 102. a second upright post; 2. a cross bar; 3. a telescopic rod; 31. a sleeve; 32. an inner rod; 4. a fixed block; 5. a jack; 6. inserting a rod; 7. positioning holes; 8. a hinge slot; 9. a hinged block; 10. hooking; 11. a hasp; 12. a limiting block; 13. a card slot; 14. a clamping block; 15. a bolt; 16. a threaded hole; 17. a containing groove.

Detailed Description

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

An assembled vertical ladder, as shown in fig. 1 and 3, comprises two vertical columns 1 parallel to each other and a plurality of cross bars 2 installed between the two vertical columns 1. Wherein, the two ends of the cross rod 2 are fixedly connected with the two upright posts 1 through bolts. In this embodiment, the upright column 1 is disposed in a rectangular parallelepiped shape, the upright column 1 is a hollow structure, and the upright column 1 is made of stainless steel material, so as to reduce the weight of the ladder and facilitate the transportation by workers. One end of the upright post 1 is provided with a telescopic rod 3 along the length direction of the upright post 1, and one end of the telescopic rod 3 is hinged on the upright post 1. When there is not wall or supporter support ladder, accessible telescopic link 3 supports the ladder to the staff uses the ladder. In addition, the sidewall of the upright post 1 is provided with a containing groove 17 along the length direction of the upright post 1, and the telescopic rod 3 can be contained in the containing groove 17. When the ladder is carried, the telescopic rod 3 can be accommodated in the accommodating groove 17, so that the telescopic rod 3 is prevented from shaking in the ladder carrying process.

Specifically, as shown in fig. 1 and 3, the telescopic rod 3 includes an inner rod 32 and a sleeve 31 sleeved outside the inner rod 32. Wherein, sleeve 31 and interior pole 32 all are cylindric setting, and the one end of sleeve 31 is the open end, and the other end is the blind end, and the blind end of sleeve 31 is articulated mutually with stand 1. When the ladder is used, the inner rod 32 can be pulled to slide the inner rod 32 along the length direction of the sleeve 31, so that the telescopic rod 3 can be extended to a required length. In order to fix the length of the telescopic rod 3, an external thread is added to the outer wall of the inner rod 32, and an internal thread is added to the inner wall of the sleeve 31. Specifically, the external thread is arranged at one end of the inner rod 32 sleeved in the sleeve 31, and the internal thread is arranged at the opening end of the sleeve 31. For convenience of understanding, in this embodiment, it is assumed that the length of the sleeve 31 is the first column, the length of the threaded section of the external thread is half of that of the first column, and the length of the threaded section of the internal thread is one fifth of that of the first column, so that the inner rod 32 can extend and retract relative to the sleeve 31, and the length of the telescopic rod 3 can be fixed by matching the external thread with the internal thread.

Meanwhile, as shown in fig. 1 and 3, a locking component for fixing the telescopic rod 3 and further limiting the telescopic rod 3 to rotate is arranged on the upright post 1, and the telescopic rod 3 is limited to rotate through the locking component, so that the ladder is more stable. Specifically, the locking assembly comprises a fixing block 4 welded on the upright post 1, a jack 5 arranged on the side wall of the fixing block 4 and an insertion rod 6 in insertion fit with the jack 5, a positioning hole 7 is formed in the sleeve 31, and when the sleeve 31 rotates relative to the upright post 1 to align the positioning hole 7 with the jack 5, the insertion rod 6 can be inserted into the jack 5. When the vertical ladder does not have a wall surface as a support, the telescopic rod 3 can be moved out from the accommodating groove 17, so that the positioning hole 7 is aligned with the jack 5, and then the inserting rod 6 is inserted into the jack 5, thereby limiting the rotation of the telescopic rod 3. In order to ensure that the inserted rod 6 can be inserted into the positioning hole 7 and further improve the stability of the ladder, magnets which are mutually attracted with the side wall of the inserted rod 6 are additionally arranged on the wall of the positioning hole 7.

As shown in fig. 1 and 2, the ladder is foldable for easy transportation. Specifically, the upright 1 includes a first upright 101 and a second upright 102, and one end of the first upright 101 is hinged to one end of the second upright 102. In this embodiment, the end of the first upright column 101 is provided with a hinge groove 8, the hinge groove 8 penetrates through the front and rear side walls of the first upright column 101, the end of the second upright column 102 is integrally formed with a hinge block 9, and the hinge block 9 is hinged in the hinge groove 8 of the first upright column 101. When the center lines of the first upright post 101 and the second upright post 102 are superposed, the ladder is in a straight ladder state so as to be convenient for workers to use; when the first upright 101 is rotated relative to the second upright 102 to engage each other, the ladder is folded for easy transport. In order to keep the first vertical column 101 and the second vertical column 102 fixed to each other when the ladder is in the vertical ladder state, a fixing unit for fixing the first vertical column 101 and the second vertical column 102 to each other is additionally provided between the first vertical column 101 and the second vertical column 102.

Specifically, the fixing component comprises a hook 10 and a buckle 11 matched with the hook 10. Wherein, the hasp 10 is fixed on the side wall of the first upright post 101, and the hasp 11 is fixed on the side wall of the second upright post 102. In this embodiment, the hook 10 and the buckle 11 are both fixed on the side of the upright post 1 away from the cross bar 2.

In addition, as shown in fig. 1 and fig. 2, the second column 102 is welded with a limiting block 12, the limiting block 12 is square, a clamping groove 13 is formed in a side wall of the limiting block 12, and a notch of the clamping groove 13 faces one side of the first column 101. The side wall of the first upright post 101 is welded with the clamping block 14, and the first upright post 101 can rotate relative to the second upright post 102 until the clamping block 14 is in clamping fit with the clamping groove 13. With reference to fig. 4, the side wall of the second upright post 102 is additionally provided with the limit block 12, so that when the first upright post 101 rotates relative to the second upright post 102 to abut against the limit block 12, a herringbone ladder structure is formed between the first upright post 101 and the second upright post 102, and then the clamping block 14 is clamped into the clamping groove 13, so that the first upright post 101 and the second upright post 102 are relatively fixed, and the straight ladder becomes a herringbone ladder, so that a worker can use the herringbone ladder conveniently.

As shown in fig. 4 and 5, in order to ensure that the herringbone ladder has better stability in the using process, a bolt 15 is additionally arranged between the fixture block 14 and the stopper 12, so that the connection between the fixture block 14 and the stopper 12 is more stable. Specifically, a threaded hole 16 is formed in a side wall of the clamping block 14, a through hole (not shown) corresponding to the threaded hole 16 is formed in a side wall of the limiting block 12, and the bolt 15 is in threaded connection with the threaded hole 16 after passing through the through hole, so that the clamping block 14 and the clamping groove 13 are fixed more firmly. In this embodiment, the bolt 15 may be a butterfly bolt 15, so that the worker can rotate the bolt 15 by hand.

Because the double ladder is in the in-process of using, the phenomenon of easy emergence skidding, consequently add the elastic rubber pad at the both ends of stand 1, and the lateral wall of elastic rubber pad cladding stand 1, through addding the elastic rubber pad in order to increase the frictional force between stand 1 and the ground, reduce the condition emergence of skidding.

The overall working process is as follows: when the vertical ladder is not provided with a wall surface as a support, one end of the vertical ladder can be abutted against the ground, and the other end of the vertical ladder is supported by the telescopic rod 3, so that the vertical ladder is convenient to use; when need not to use the ladder, can convert into two sections with the ladder, with the length that changes the ladder, and then be convenient for carry and place, namely, when need not to use the ladder, can deviate from the one side rotation of stopper 12 to second stand 102 with first stand 101, so that first stand 101 with the laminating of second stand 102 can, in addition, when needs convert the straight ladder into double ladder and use, can rotate first stand 101 around the pin joint to stopper 12 one side of second stand 102, so that in the draw-in groove 13 is gone into to the fixture block 14 joint, then through bolt 15 with fixture block 14 and stopper 12 fixed can.

The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.

Claims

1. The utility model provides an equipment vertical ladder, includes two parallel arrangement's stand (1) and sets up a plurality of horizontal poles (2) between two stands (1), its characterized in that: one end of the upright post (1) is hinged with a telescopic rod (3), the telescopic rod (3) is arranged along the length direction of the upright post (1), and a locking component used for limiting the telescopic rod (3) to rotate is arranged on the upright post (1);

the side wall of the upright post (1) is provided with a containing groove (17) for containing the telescopic rod (3); the upright post (1) comprises a first upright post (101) and a second upright post (102), one end of the first upright post (101) is hinged to the second upright post (102), and a fixing assembly is arranged between the first upright post (101) and the second upright post (102) and used for fixing the first upright post (101) and the second upright post (102) to each other.

2. The assembled vertical ladder of claim 1, wherein: the telescopic rod (3) comprises an inner rod (32) and a sleeve (31) sleeved on the inner rod (32), one end of the sleeve (31) is hinged to the second upright post (102), an external thread is arranged at one end of the inner rod (32), and one end, far away from a hinged point, of the sleeve (31) is provided with an internal thread matched with the external thread in a threaded manner.

3. The assembled vertical ladder of claim 2, wherein: the locking assembly comprises a jack (5) arranged on the side wall of the upright post (1) and an insertion rod (6) in plug-in fit with the jack (5), a positioning hole (7) is formed in the sleeve (31), and when the sleeve (31) rotates relative to the upright post (1) to align the positioning hole (7) and the jack (5), the insertion rod (6) can be inserted into the jack (5).

4. The assembled vertical ladder of claim 1, wherein: the fixing component comprises a hook (10) arranged on the first stand column (101) and a hasp (11) used for hooking the hook (10), and the hasp (11) is arranged on the second stand column (102).

5. The assembled vertical ladder of claim 1, wherein: the clamping device is characterized in that a limiting block (12) is arranged on the second upright post (102), a clamping groove (13) is formed in the side wall of the limiting block (12), a clamping block (14) is arranged on the side wall of the first upright post (101), and the first upright post (101) can rotate relative to the second upright post (102) to enable the clamping block (14) to be in clamping fit with the clamping groove (13).

6. The assembled vertical ladder of claim 5, wherein: the side wall of the clamping block (14) is provided with a threaded hole (16), a bolt (15) is matched with the threaded hole (16) in an internal thread mode, and the side wall of the limiting block (12) is provided with a through hole for the bolt (15) to penetrate through.

7. The assembled vertical ladder of claim 1, wherein: elastic rubber pads are arranged at two ends of the upright post (1) and are coated on the side wall of the upright post (1).