CN210264478U

CN210264478U - Ladder stand with adjustable ladder bar interval

Info

Publication number: CN210264478U
Application number: CN201921004981.1U
Authority: CN
Inventors: 孙传勇; 朱胜; 孙如健; 王宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-07
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a ladder stand with adjustable ladder rod interval. This kind of ladder stand interval adjustable cat ladder includes montant and horizontal pole, the montant is parallel to each other and its both ends are provided with the horizontal pole, the horizontal pole both ends are connected with the montant, it still includes the locating piece, first traveller, the ladder pole, the second traveller, the elastomer, a plurality of locating pieces have arranged in proper order along the pole length to the montant, set up the ladder pole between the relative locating piece, the through-hole is seted up to the locating piece, sliding connection first traveller in the through-hole, the blind hole of symmetry is seted up at ladder pole both ends, sliding connection second traveller in the blind hole, be provided with the elastomer compressed by the second traveller between second traveller and the blind hole, second traveller one end stretches out in blind hole and sliding connection in the through-hole, the terminal surface laminating that second traveller terminal surface. The quantity and the positions of the step rods arranged on the vertical rods are adjusted, so that the distance between the step rods is changed, and the use of different people is facilitated.

Description

Ladder stand with adjustable ladder bar interval

Technical Field

The utility model relates to a cat ladder field, in particular to ladder of ladder pole interval adjustable.

Background

The ladder stand is a tool which is commonly used in daily life and industrial production, the tool is made of two long thick rods as edges, the middle of the tool transversely penetrates through a cross rod suitable for climbing, and the ladder stand is used for climbing.

The Chinese patent database discloses a patent named as a ladder fixing card and a telescopic ladder, and has the application number of CN201620324630.9, the application date of 2016-04-19, the publication number of CN205778495U and the publication date of 2016-12-07. This kind of ladder fixing clip and scalable ladder include: the fixing part is detachably connected to the ladder; clamping part, the one end detachable fixed connection of clamping part is in the one end of fixed part, its other end cup joints on the footboard of ladder, this kind of fixing clip and scalable ladder further firmly link together the bracing piece of footboard and ladder through setting up fixed part and clamping part, have further strengthened the fastness of ladder. The disadvantages are that: because the footboard interval is fixed, this kind of ladder can not adapt to the crowd of different leg lengths, for example use this kind of ladder when the adult feels the footboard apart from the separation and reunion in good time, and will be more difficult when the shorter children climb this kind of ladder.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ladder stand with adjustable ladder bar distance is used in order to make things convenient for the people of different leg lengths to use through the interval of adjusting the ladder bar.

In order to realize the above utility model purpose, the utility model relates to a ladder stand of ladder pole interval adjustable adopts following technical scheme:

a ladder stand with adjustable distance between ladder rods comprises vertical rods and cross rods, wherein the vertical rods are parallel to each other, at least one cross rod is arranged at each of two ends of each vertical rod, the two ends of the cross rod are connected with the vertical rod, the ladder-shaped folding table further comprises a positioning block, a first sliding column, a step rod, a second sliding column and an elastic body, a plurality of positioning blocks are sequentially arranged on the vertical rods along the rod length, the same stair rod is arranged between the corresponding positioning blocks on the two vertical rods, the positioning block is provided with a through hole, the first sliding column is connected in the through hole in a sliding way, two ends of the step rod are provided with symmetrical blind holes, the second sliding column is connected in the blind hole in a sliding manner, an elastic body compressed by the second sliding column is arranged between the second sliding column and the blind hole, one end of the second sliding column extends out of the blind hole and is connected with the through hole in a sliding mode, and the end face of the second sliding column is attached to the end face corresponding to the first sliding column.

The utility model discloses the during operation, through pressing down the first traveller in the through-hole in the outside, first traveller extrudes the second traveller from the through-hole to can separate ladder pole and montant, then install the ladder pole in the suitable locating piece in position as required.

Compared with the prior art, the beneficial effects of the utility model reside in that: the quantity and the positions of the step rods arranged on the vertical rods are adjusted, so that the distance between the step rods is changed, and the use of different people is facilitated.

On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:

further: the periphery of the first sliding column is provided with a first convex column, the through hole is provided with a first sliding groove corresponding to the first convex column, and the first convex column is connected in the first sliding groove in a sliding mode. The beneficial effect of this step: the first convex column realizes the stable movement of the first sliding column.

Further: the periphery of the second sliding column is provided with a second convex column, the blind hole is provided with a second sliding groove corresponding to the second convex column, and the second convex column is connected in the second sliding groove in a sliding mode. The beneficial effect of this step: the second convex column realizes the stable movement of the second sliding column.

Further: the end face, extending out of the end portion of the blind hole, of the second sliding column is in a convex arc shape, and the end face, attached to the second sliding column, of the first sliding column is in a concave arc shape matched with the end face, attached to the second sliding column, of the second sliding column.

Further: the elastic body is a cylindrical compression spring.

Further: studs are arranged at two ends of the cross rod, penetrate through the corresponding vertical rods and are connected with butterfly nuts. The beneficial effect of this step: the cross rod is conveniently separated from the vertical rod through the butterfly nut, so that the ladder stand with the adjustable distance between the ladder rods can be stored and arranged in the later period, and the floor area of the ladder stand is reduced.

Further: the end face, facing the step rod, of the positioning block is provided with a guide groove, and the guide groove is communicated with the through hole. The beneficial effect of this step: the second sliding column is conveniently inserted into the through hole through the guide of the guide groove.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a cross-sectional view taken along line B-B of fig. 2.

The device comprises a vertical rod 1, a cross rod 2, a positioning block 3, a through hole 301, a first sliding chute 302, a first sliding column 4, a first convex column 401, a step rod 5, a blind hole 501, a second sliding chute 502, a second sliding column 6, a second convex column 601, an elastic body 7, a first pressing cover 8, a second pressing cover 9, a butterfly nut 10 and a guide groove 11.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

As shown in fig. 1-2, a ladder stand with adjustable ladder bar spacing comprises a vertical bar 1 and a horizontal bar 2, wherein the vertical bar is parallel to each other and is provided with at least one horizontal bar at each of two ends, the two ends of the horizontal bar are connected with the vertical bar, the ladder stand further comprises a positioning block 3, a first slide column 4, a ladder bar 5, a second slide column 6 and an elastic body 7, a plurality of positioning blocks are arranged on the vertical bar along the bar length at equal intervals in sequence, the same ladder bar is arranged between the two opposite positioning blocks on the two vertical bars, the positioning block is provided with a through hole 301, the through hole is slidably connected with the first slide column, the periphery of the first slide column is provided with symmetrical first convex columns 401, the through hole is provided with first sliding grooves 302 corresponding to the first convex columns, the first convex columns are slidably connected in the first sliding grooves, the outer end surfaces of the positioning blocks are further connected with first gland covers 8 for limiting the first convex columns in the first, the blind hole is connected with a second sliding column in a sliding mode, a symmetrical second convex column 601 is arranged on the periphery of the second sliding column, a second sliding groove 502 is formed in the blind hole corresponding to the second convex column, the second convex column is connected in the second sliding groove in a sliding mode, a second gland 9 limiting the second convex column in the second sliding groove is further connected to the end portion of the step rod, an elastic body is arranged between the end portion of the second sliding column located in the blind hole and the bottom of the blind hole, the elastic body in the embodiment is a cylindrical compression spring, the cylindrical compression spring is in a compression state, the end portion of the second sliding column stretches out of the blind hole and is inserted into the through hole in a clearance mode under the elastic force of the cylindrical compression spring, the end face of the second sliding column is attached to the end face corresponding to the first sliding column, in the embodiment, the end face of the second sliding column stretching out of the blind hole is in a convex arc shape, and the end face of the first sliding.

As shown in fig. 2 and 3, studs are arranged at two ends of the cross bar, penetrate through corresponding vertical bars and are connected with butterfly nuts 10, the vertical bars are connected with two ends of the cross bar through the butterfly nuts, and the ladder stand can be detached simply and conveniently in the connection mode, so that the ladder stand is convenient to transport and store; the end face, facing the step rod, of the positioning block is provided with a guide groove 11, the guide groove is communicated with the through hole, and the guide groove is used for guiding the second sliding column to slide into the through hole.

When the ladder stand with the adjustable ladder rod distance is used, enough ladder rods need to be equipped.

The utility model discloses a concrete working process and principle:

according to actual demand, the locating piece that needs the installation ladder pole is selected, then install the ladder pole respectively wherein, when the interval of needs change ladder pole, through pressing the first traveller in the through-hole, first traveller extrudes the second traveller from the through-hole, thereby can separate ladder pole and montant, then install the ladder pole in the suitable locating piece in position as required, install the quantity and the position in the ladder pole of montant through the regulation, thereby change the interval of ladder pole, make things convenient for different crowds' use, and the connected mode through butterfly nut, conveniently dismantle this kind of cat ladder, with this convenient transportation and accomodate.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a ladder stand of ladder pole interval adjustable, includes montant and horizontal pole, the montant is parallel to each other and its both ends are provided with an at least horizontal pole respectively, the horizontal pole both ends with its characterized in that is connected to the montant: it still includes locating piece, first traveller, ladder pole, second traveller, elastomer, the montant has arranged a plurality ofly in proper order along the pole length the locating piece is relative on two montants be provided with same root between the locating piece the ladder pole, the through-hole has been seted up to the locating piece, sliding connection has in the through-hole first traveller, the blind hole of symmetry has been seted up at ladder pole both ends, sliding connection has in the blind hole the second traveller, the second traveller with be provided with between the blind hole by the elastomer of second traveller compression, second traveller one end stretch out in blind hole and sliding connection in the through-hole, second traveller terminal surface with the terminal surface laminating that first traveller corresponds.

2. A ladder as claimed in claim 1, wherein the ladder bar is adjustable in pitch, and wherein: the periphery of the first sliding column is provided with a first convex column, the through hole is provided with a first sliding groove corresponding to the first convex column, and the first convex column is connected in the first sliding groove in a sliding mode.

3. A ladder as claimed in claim 1, wherein the ladder bar is adjustable in pitch, and wherein: the periphery of the second sliding column is provided with a second convex column, the blind hole is provided with a second sliding groove corresponding to the second convex column, and the second convex column is connected in the second sliding groove in a sliding mode.

4. A ladder as claimed in claim 1, wherein the ladder bar is adjustable in pitch, and wherein: the end face, extending out of the end portion of the blind hole, of the second sliding column is in a convex arc shape, and the end face, attached to the second sliding column, of the first sliding column is in a concave arc shape matched with the end face, attached to the second sliding column, of the second sliding column.

5. A ladder as claimed in claim 1, wherein the ladder bar is adjustable in pitch, and wherein: the elastic body is a cylindrical compression spring.

6. A ladder as claimed in claim 1, wherein the ladder bar is adjustable in pitch, and wherein: studs are arranged at two ends of the cross rod, penetrate through the corresponding vertical rods and are connected with butterfly nuts.

7. A ladder as claimed in claim 1, wherein the ladder bar is adjustable in pitch, and wherein: the end face, facing the step rod, of the positioning block is provided with a guide groove, and the guide groove is communicated with the through hole.