CN215292308U

CN215292308U - High-stability telescopic ladder

Info

Publication number: CN215292308U
Application number: CN202022942734.5U
Authority: CN
Inventors: 糜晓峰
Original assignee: Chongqing Bu Bu Wen Industry And Trade Co ltd
Current assignee: Chongqing Bu Bu Wen Industry And Trade Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-12-24
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a high stability's telescopic ladder, the on-line screen storage device comprises a base, the rectangular channel has been seted up at the base top, rectangular channel inner wall both sides are the first spring of fixedly connected with and second spring respectively, the equal fixedly connected with slide of one end that first spring and second spring are relative. The utility model discloses in, the user is through unscrewing the second bolt, dismantle the second ladder get off, rotate one hundred eighty degrees to the second ladder, let the fixture block at its top and the draw-in groove block at first ladder top, then two connect the shell of slip, it is spacing to move the junction of fixture block and draw-in groove to it, its outer wall and the laminating of second stopper outer wall, the length of ladder has increased one time this moment, the bottom of first ladder receives blockking of rectangular channel in the base simultaneously, the bottom of ladder is also very firm. The device structure is ingenious, and the installation and the dismantlement of being convenient for, when the extension ladder, the base still can keep higher stability, and its application scope is wider, is worth wideling popularize.

Description

High-stability telescopic ladder

Technical Field

The utility model relates to a ladder technical field especially relates to a flexible ladder of high stability.

Background

The existing telescopic ladder mostly adopts a bamboo joint type structure, one section is sleeved with the other section, and when the length of the telescopic ladder is prolonged, the extending part of the telescopic ladder is too much, so that the structure of the ladder is very loose and is easy to damage. And when the ladder erects subaerial, because the smooth degree on ground is different, frictional force is not enough, and bottom stability when leading to the ladder to erect is relatively poor, leads to the ladder slope landing easily, causes the injury to user's personal safety.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-stability telescopic ladder.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-stability telescopic ladder comprises a base, wherein a rectangular groove is formed in the top of the base, a first spring and a second spring are fixedly connected to two sides of the inner wall of the rectangular groove respectively, sliding plates are fixedly connected to opposite ends of the first spring and the second spring respectively, a first support and a second support are fixedly connected to the tops of the two sliding plates respectively, a first bolt and a second bolt are arranged on one side of the outer wall of each of the first support and the second support respectively, a first ladder is arranged in each first support, and a second ladder is arranged in each second support;

the equal first stopper of fixedly connected with in second ladder outer wall both sides, the equal sliding connection in second ladder outer wall both sides has the connection shell, second ladder top fixedly connected with fixture block, first ladder top fixedly connected with draw-in groove, the fixture block was kept away from to the fixture block outer wall one side and the draw-in groove outer wall one side of keeping away from the fixture block all seted up flutedly, first ladder top both sides all are provided with the second stopper, two the recess outer wall is provided with spacing frame jointly.

As a further description of the above technical solution:

and the bottoms of the two sliding plates are connected with the bottom of the rectangular groove in a sliding manner.

As a further description of the above technical solution:

the first bolt penetrates through the first support and the first ladder and is in threaded connection with the first support.

As a further description of the above technical solution:

the second bolt penetrates through the second support and the second ladder and is in threaded connection with the second support.

As a further description of the above technical solution:

two the recess inside wall all with the smooth laminating of spacing frame inside wall.

As a further description of the above technical solution:

the size of the first limiting block is consistent with that of the second limiting block, and the top of the first limiting block is attached to the outer wall of the connecting shell.

The utility model discloses following beneficial effect has:

1. the utility model discloses high stability's telescopic ladder is provided with the second bolt, the fixture block, draw-in groove and connection shell, through unscrewing the second bolt, dismantle the second ladder, rotate one hundred eighty degrees the second ladder, let the fixture block at its top and the draw-in groove block at first ladder top, then slide two connection shells, it is spacing to move the junction of fixture block and draw-in groove to it, its outer wall and the laminating of second stopper outer wall, the length of ladder has increased one time this moment, the bottom of first ladder receives blockking of rectangular channel in the base simultaneously, the bottom of ladder is also very firm. Compare in traditional telescopic ladder, the device structure is ingenious, and the installation and dismantlement of being convenient for are when the extension ladder, and the base still can keep higher stability, and its application scope is wider, is worth wideling popularize.

2. The utility model discloses high stability's telescopic ladder is provided with spacing frame and slide, when the user need ascend a height at the level land, utilize spacing frame to put first ladder and second ladder together, the rethread rectangular channel carries on spacingly to the slide of ladder bottom for the ladder bottom is fixed firm more, compare in traditional telescopic ladder mutually, the device structure is nimble, the bottom of ladder is more firm, the stability of ladder has been improved greatly, the security performance of ladder has also been promoted to a certain extent simultaneously.

Drawings

Fig. 1 is a front view of a high stability telescopic ladder according to the present invention;

fig. 2 is a schematic view of a base structure of a high-stability telescopic ladder according to the present invention;

fig. 3 is a schematic structural view of a second ladder of the telescopic ladder with high stability according to the present invention;

fig. 4 is an enlarged view of a point a in fig. 1.

Illustration of the drawings:

1. a base; 2. a rectangular groove; 3. a first spring; 4. a second spring; 5. a slide plate; 6. a first bracket; 7. a second bracket; 8. a first bolt; 9. a second bolt; 10. a first ladder; 11. a second ladder; 12. a first stopper; 13. a connecting shell; 14. a clamping block; 15. a card slot; 16. a groove; 17. a second limiting block; 18. and a limiting frame.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a high-stability telescopic ladder comprises a base 1, wherein a rectangular groove 2 is formed in the top of the base 1, two sides of the inner wall of the rectangular groove 2 are fixedly connected with a first spring 3 and a second spring 4 respectively, one ends, opposite to the first spring 3 and the second spring 4, of the first spring 3 are fixedly connected with a sliding plate 5, the tops of the two sliding plates 5 are fixedly connected with a first support 6 and a second support 7 respectively, one side of the outer wall of the first support 6 and one side of the outer wall of the second support 7 are provided with a first bolt 8 and a second bolt 9 respectively, a first ladder 10 is arranged in the first support 6, and a second ladder 11 is arranged in the second support 7;

11 outer wall both sides of second ladder equal fixedly connected with

first stopper

12, 11 outer wall both sides of second ladder all sliding connection have connect

shell

13, 11 top fixedly connected with fixture block 14 of second ladder, 10 top fixedly connected with draw-in groove 15 of first ladder, fixture block 14 outer wall keeps away from one side of draw-in groove 15 outer wall and keeps away from one side of fixture block 14 and all offer fluted 16, 10 top both sides of first ladder all are provided with second stopper 17, two 16 outer walls of recess are provided with spacing frame 18 jointly, the device structure is ingenious, through twisting first bolt 8 and second bolt 9, can dismantle first ladder 10 and second ladder 11, the staff of being convenient for carries, and in the extension ladder, base 1 still can keep higher stability, its application scope is wider, be worth wideling popularize.

Two slides 5 bottoms all with 2 bottoms sliding connection of rectangular channel, when the operation of ascending a height is carried out to the normal use ladder, the slide 5 of

first ladder

10 and 11 bottoms of second ladder received the restriction of 2 inner wall both sides of rectangular channel simultaneously for the flare angle of two ladders is in safe angle, and the ladder is very stable, and the security is stronger. First bolt 8 runs through first support 6 and first ladder 10 and with first support 6 threaded connection, and second bolt 9 runs through second support 7 and second ladder 11 and with second support 7 threaded connection, through unscrewing first bolt 8 and second bolt 9, alright dismantle two ladders get off, portable and accomodate easily. Two 16 inside walls of recess all laminate with spacing frame 18 inside wall is smooth, and first stopper 12 is unanimous with 17 size dimensions on the second stopper, the laminating of first stopper 12 top and connecting shell 13 outer wall.

The working principle is as follows: when the normal use ladder was ascended a height the operation, first ladder 10 and second ladder 11 combine two ladders together through the spacing frame 18 that the top set up, and the slide 5 of

first ladder

10 and 11 bottoms of second ladder receives the restriction of 2 inner wall both sides of rectangular channel simultaneously for the opening angle of two ladders is in safe angle, and the ladder is very stable, and the security is stronger. When the user need prolong the ladder and go up a height the operation, the user is through unscrewing second bolt 9, dismantle second ladder 11 from second support 7, rotate one hundred eighty degrees second ladder 11 again, let the fixture block 14 at its top and the draw-in groove 15 block at first ladder 10 top, then two connection shell 13 of the second ladder 11 lateral wall of sliding, slide to the junction of fixture block 14 and draw-in groove 15, carry out spacingly to it, make first ladder 10 and the more firm that second ladder 11 is connected, the connection shell 13 and the laminating of second stopper 17 outer wall of second ladder 11 outer wall this moment, at this moment the length of ladder has increased one time, when ascending a height, the bottom of first ladder 10 receives blockking of rectangular channel 2 in the base 1, the bottom of ladder still keeps firm.

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 modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A high stability's telescopic ladder, includes base (1), its characterized in that: the base is characterized in that a rectangular groove (2) is formed in the top of the base (1), two sides of the inner wall of the rectangular groove (2) are fixedly connected with a first spring (3) and a second spring (4) respectively, one ends, opposite to the first spring (3) and the second spring (4), of the first spring (3) and the second spring (4) are fixedly connected with sliding plates (5), the tops of the two sliding plates (5) are fixedly connected with a first support (6) and a second support (7) respectively, one sides of the outer walls of the first support (6) and the second support (7) are provided with a first bolt (8) and a second bolt (9) respectively, a first ladder (10) is arranged inside the first support (6), and a second ladder (11) is arranged inside the second support (7);

the utility model discloses a ladder structure, including first stopper (12) of equal fixedly connected with in second ladder (11) outer wall both sides, the equal sliding connection in second ladder (11) outer wall both sides has connection shell (13), second ladder (11) top fixedly connected with fixture block (14), first ladder (10) top fixedly connected with draw-in groove (15), one side that draw-in groove (15) were kept away from to fixture block (14) outer wall and one side that fixture block (14) were kept away from to draw-in groove (15) outer wall are all seted up flutedly (16), first ladder (10) top both sides all are provided with second stopper (17), two recess (16) outer wall is provided with spacing frame (18) jointly.

2. A high stability telescopic ladder according to claim 1, wherein: the bottoms of the two sliding plates (5) are in sliding connection with the bottom of the rectangular groove (2).

3. A high stability telescopic ladder according to claim 1, wherein: the first bolt (8) penetrates through the first support (6) and the first ladder (10) and is in threaded connection with the first support (6).

4. A high stability telescopic ladder according to claim 1, wherein: the second bolt (9) penetrates through the second support (7) and the second ladder (11) and is in threaded connection with the second support (7).

5. A high stability telescopic ladder according to claim 1, wherein: two the inside wall of recess (16) all with spacing frame (18) inside wall smooth laminating.

6. A high stability telescopic ladder according to claim 1, wherein: the size of the first limiting block (12) is consistent with that of the second limiting block (17), and the top of the first limiting block (12) is attached to the outer wall of the connecting shell (13).