CN220849540U - Multifunctional fire rescue ladder - Google Patents
Multifunctional fire rescue ladder Download PDFInfo
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- CN220849540U CN220849540U CN202321975463.0U CN202321975463U CN220849540U CN 220849540 U CN220849540 U CN 220849540U CN 202321975463 U CN202321975463 U CN 202321975463U CN 220849540 U CN220849540 U CN 220849540U
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- ladder
- inner ladder
- locking unit
- locking
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- 230000008901 benefit Effects 0.000 abstract description 3
- 230000009194 climbing Effects 0.000 description 4
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- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The utility model discloses a multifunctional fire rescue ladder, which comprises: the first combined ladder comprises a first outer ladder and a first inner ladder, and the first inner ladder is arranged in the first outer ladder in a sliding manner; the second combined ladder comprises a second outer ladder and a second inner ladder, the second inner ladder is arranged in the second outer ladder in a sliding manner, and the top of the first inner ladder is hinged with the top of the second inner ladder; the first locking unit is used for locking the first inner ladder and the first outer ladder; the second locking unit is used for locking the second inner ladder and the second outer ladder; and the angle locking unit is arranged between the first inner ladder and the second inner ladder and is used for locking rotation between the first inner ladder and the second inner ladder. The utility model can realize multiple functions of horizontal bar ladder, hook ladder, herringbone ladder, right angle ladder, high-low ladder, rescue work platform, etc., and has the advantages of simple and reasonable structure, safe and convenient use, small volume, light weight, convenient carrying, etc.
Description
Technical Field
The utility model relates to the technical field of fire-fighting equipment, in particular to a multifunctional fire-fighting rescue ladder.
Background
At present, the fire-fighting climbing tool mainly comprises a horizontal bar ladder, a hook ladder and the like, wherein the horizontal bar ladder is mainly used for climbing a low building to extinguish fire due to the short length of the horizontal bar ladder, and can be used as a bridge plate crossing a ditch or used for lifting a wounded instead of a stretcher when necessary; the hook ladder is one of climbing tools for climbing floors, the ladder body is light, firefighters can fix the ladder body by using a window, a balcony or other gaps through hooks, and the ladder can climb to a plurality of layers of high floors to extinguish the fire; but the functions of the ladder are single, the ladder cannot be used simultaneously, the ladder is inconvenient to carry, and the ladder cannot meet the requirements of modern fire fighting, emergency rescue, rescue and the like.
Disclosure of utility model
Based on the above, it is necessary to provide a multifunctional fire rescue ladder in view of the above-mentioned technical problems.
A multi-functional fire rescue ladder comprising:
The first combined ladder comprises a first outer ladder and a first inner ladder, and the first inner ladder is arranged in the first outer ladder in a sliding manner;
The second combined ladder comprises a second outer ladder and a second inner ladder, the second inner ladder is arranged in the second outer ladder in a sliding manner, and the top of the first inner ladder is hinged with the top of the second inner ladder;
The first locking unit is used for locking the first inner ladder and the first outer ladder;
the second locking unit is used for locking the second inner ladder and the second outer ladder;
The angle locking unit is arranged between the first inner ladder and the second inner ladder and is used for locking rotation between the first inner ladder and the second inner ladder.
In one embodiment, the first outer ladder and the second outer ladder each comprise an outer ladder body and an outer ladder rail, and the outer ladder rails are sequentially arranged at intervals along the length direction of the outer ladder body; the first inner ladder and the second inner ladder comprise an inner ladder body and an inner ladder block, and the inner ladder block is arranged at intervals in sequence along the length direction of the inner ladder body.
In one embodiment, the inner ladder rail comprises a ladder rail body and a panel, wherein positioning holes are respectively formed in two sides of the ladder rail body, the panel is respectively and obliquely fixed to the upper side and the lower side of the ladder rail body, and wavy anti-skidding lines are formed in the panel.
In one embodiment, the first locking unit and the second locking unit each include:
The base is fixed on the outer side of the outer ladder body, and a chute is horizontally formed in the base;
The bolts are matched with the positioning holes of each inner ladder rail, the bolts are connected with the positioning plates, the positioning plates are connected with the pull rods, and the pull rods are arranged in the base in a penetrating mode;
the return spring is sleeved on the pull rod and is positioned between the positioning plate and the base
The limiting stop rod is fixed on the positioning plate and slidably penetrates through the sliding groove.
In one embodiment, an end of the pull rod remote from the base is connected to a pull head, which is located outside the base.
In one embodiment, the angle locking unit includes:
the ratchet wheel is fixed at the top of the first inner ladder;
And the ratchet is arranged at the top of the second inner ladder and matched with the ratchet.
In one embodiment, the lower part of the first outer ladder or the second outer ladder is splayed, and a sliding wheel is arranged at the bottom of the first outer ladder or the second outer ladder.
Above-mentioned multi-functional fire rescue ladder sets up into relative sliding connection respectively through the first outer ladder and the first inner ladder of first combination ladder, the second outer ladder and the second inner ladder of second combination ladder to make the top of first inner ladder with the top of second inner ladder articulates mutually, through the relative position and the angle of adjusting first inner ladder and second inner ladder like this, alright realize multiple functions such as horizontal bar ladder, couple ladder, double ladder, right angle ladder, height ladder, rescue work platform, it has simple structure rationally, convenience safe in utilization, small light in weight, portable advantage.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of the multifunctional fire rescue ladder of the present utility model;
FIG. 2 is a top view of the multi-functional fire rescue ladder of the present utility model;
fig. 3 is a schematic structural view of the first locking unit or the second locking unit of the present utility model;
FIG. 4 is a schematic view of the structure of the angle locking unit of the present utility model;
FIG. 5 is a schematic view showing a state of implementing the horizontal bar ladder function of the present utility model;
FIG. 6 is a schematic view of the hook ladder of the present utility model in a state of effect;
FIG. 7 is a schematic view of the utility model in a state of achieving a herringbone ladder effect;
FIG. 8 is a schematic view of the utility model in a state of implementing the right angle ladder function;
FIG. 9 is a schematic view showing the state of the utility model in which the high-low ladder function is achieved;
fig. 10 is a schematic diagram of a state of the utility model for realizing the function of the rescue work platform.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1-4, one embodiment of the present utility model provides a multifunctional fire rescue ladder, comprising:
A first combination ladder 1, the first combination ladder 1 comprising a first outer ladder 11 and a first inner ladder 12, the first inner ladder 12 being slidably arranged inside the first outer ladder 11;
A second combined ladder 2, wherein the second combined ladder 2 comprises a second outer ladder 21 and a second inner ladder 22, the second inner ladder 22 is slidably arranged inside the second outer ladder 21, and the top of the first inner ladder 12 is hinged with the top of the second inner ladder 22;
a first locking unit 3 for locking the first inner ladder 12 and the first outer ladder 11;
a second locking unit 4 for locking the second inner ladder 22 and the second outer ladder 21;
An angle locking unit 5 is provided between the first inner ladder 12 and the second inner ladder 22, and the angle locking unit 5 is used for locking the rotation between the first inner ladder 12 and the second inner ladder 22.
Above-mentioned multi-functional fire rescue ladder, through setting up the first outer ladder 11 and the first inner ladder 12 of first combination ladder 1, the second outer ladder 21 and the second inner ladder 22 of second combination ladder 2 respectively into relative sliding connection to make the top of first inner ladder 12 with the top of second inner ladder 22 articulates mutually, like this through adjusting the relative position and the angle of first inner ladder 12 and second inner ladder 22, can realize multiple functions such as horizontal bar ladder, couple ladder, double ladder, right angle ladder, height ladder, rescue work platform, it has simple structure rationally, convenient to use, small light in weight, portable's advantage.
In an embodiment of the present utility model, the first outer ladder 11 and the second outer ladder 21 each include an outer ladder body 111 and an outer ladder rail 112, and the outer ladder rails 112 are sequentially spaced apart along the length direction of the outer ladder body 111; the first inner ladder 12 and the second inner ladder 22 each include an inner ladder body 121 and an inner ladder rail 122, and the inner ladder rails 122 are sequentially arranged at intervals along the length direction of the inner ladder body 121.
In this embodiment, the outer ladder body 111 may have a C-shaped structure, the inner ladder body 121 may be a square tube, and the cross-sectional shape of the outer ladder rail 112 may be a square, a trapezoid, or the like.
In an embodiment of the present utility model, the inner ladder rail 122 includes a rail body 1221 and a panel 1222, positioning holes 1223 are respectively provided on two sides of the rail body 1221, and the panel 1222 is obliquely fixed on the upper and lower sides of the rail body 1221, wherein the panel 1222 is provided with wave-shaped anti-skid lines 1224.
In this embodiment, the ladder rail body 1221 may be in a shape of a figure 8, and the upper and lower ends of each side of the ladder rail body are provided with positioning holes 1223, so that the structural strength and the firmness of the subsequent locking can be increased. The wavy anti-skid lines 1224 are provided to realize anti-skid function and improve the safety of use.
In an embodiment of the present utility model, the first locking unit 3 and the second locking unit 4 each include:
A base 31 fixed on the outer side of the outer ladder body 111, wherein a chute 32 is horizontally opened on the base 31;
The bolt 33 is matched with the positioning hole 1223 of each inner ladder rail 122, the bolt 33 is connected with the positioning plate 34, the positioning plate 34 is connected with the pull rod 35, and the pull rod 35 is arranged in the base 31 in a penetrating way;
A return spring 36 sleeved on the pull rod 35, wherein the return spring 36 is positioned between the positioning plate 34 and the base 31
The limiting stop rod 37 is fixed on the positioning plate 34, and the limiting stop rod 37 is slidably arranged in the chute 32 in a penetrating manner.
In this embodiment, when the first inner ladder 12 or the second inner ladder 22 needs to be adjusted, the pull rod 35 can be pulled outwards to disengage the latch 33 from the positioning hole 1223, then the first inner ladder 12 or the second inner ladder 22 slides to a required position relative to the first outer ladder 11 or the second outer ladder 21 respectively, then the pull rod 35 is released, under the elastic reset action of the reset spring 36, the pull rod 35 can be automatically inserted into the positioning hole 1223 of the corresponding inner ladder rail 122, and the locking position is limited by the limiting stop rod 37, so that the locking operation is completed, and the operation is simple and the safety is high.
In an embodiment of the present utility model, an end of the pull rod 35 away from the base 31 is connected to a pull head 38, and the pull head 38 is located outside the base 31. In this way, the pull rod 35 can be adjusted by pulling the pull head 38, so that the first locking unit 3 and the second locking unit 4 are released, and the operation is more convenient.
In an embodiment of the present utility model, the angle locking unit 5 includes:
a ratchet wheel 51 fixed on the top of the first inner ladder 12;
A ratchet 52 mounted on the top of the second inner ladder 22, the ratchet 51 being engaged with the ratchet 52. In this way, the rotation of the first inner ladder 12 and the second inner ladder 22 can be locked in one direction by the interaction of the ratchet 51 and the ratchet 52, and the safety is improved.
In an embodiment of the present utility model, the lower portion of the first outer ladder 11 or the second outer ladder 21 is splayed, so that the supporting span of the bottoms of the first outer ladder 11 and the second outer ladder 21 can be increased, and the stability of the structure can be improved. And the bottom of the first outer ladder 11 or the second outer ladder 21 is provided with a sliding wheel 6. In this way, the first outer ladder 11 or the second outer ladder 21 is facilitated to be moved and adjusted to a proper position.
As shown in fig. 5-10, the present utility model can perform the following six functions:
1) The first and second combined ladders 1 and 2 are aligned by rotating the first and second inner ladders 12 and 22 by 180 degrees, so that the function of a horizontal bar ladder can be realized.
2) The hooking ladder can be achieved by rotating the first and second inner ladders 12 and 22 to a fully contracted state and then connecting the first and second combined ladders 1 and 2 through the hanger.
3) The first inner ladder 12 and the second inner ladder 22 are slid by the same distance relative to the first outer ladder 11 and the second outer ladder 21, respectively, and the first inner ladder 12 and the second inner ladder 22 are rotated to a proper angle, thereby realizing the function of the herringbone ladder.
4) The first inner ladder 12 and the second inner ladder 22 are respectively slid for different distances relative to the first outer ladder 11 and the second outer ladder 21, and the first inner ladder 12 and the second inner ladder 22 are rotated to proper angles, so that one side can abut against a right-angle wall or the like, and the function of the right-angle ladder can be realized.
5) The first inner ladder 12 and the second inner ladder 22 are respectively slid for different distances relative to the first outer ladder 11 and the second outer ladder 21, and the first inner ladder 12 and the second inner ladder 22 are rotated to proper angles, so that one side of the first inner ladder 12 and the second inner ladder 22 is placed at a higher position, and the other side of the first inner ladder is placed at a lower position, and the functions of the high ladder and the low ladder can be realized.
6) The first combined ladder 1 and the second combined ladder 2 are rotated to a proper angle, and a flat plate is horizontally arranged on the outer ladder rail 112, so that the function of the rescue work platform can be realized.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The examples described above represent only a few embodiments of the present utility model and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (4)
1. A multi-functional fire rescue ladder, characterized by comprising:
The first combined ladder comprises a first outer ladder and a first inner ladder, and the first inner ladder is arranged in the first outer ladder in a sliding manner;
The second combined ladder comprises a second outer ladder and a second inner ladder, the second inner ladder is arranged in the second outer ladder in a sliding manner, and the top of the first inner ladder is hinged with the top of the second inner ladder;
The first locking unit is used for locking the first inner ladder and the first outer ladder;
the second locking unit is used for locking the second inner ladder and the second outer ladder;
the angle locking unit is arranged between the first inner ladder and the second inner ladder and is used for locking rotation between the first inner ladder and the second inner ladder;
The first outer ladder and the second outer ladder comprise an outer ladder body and outer ladder stops, and the outer ladder stops are sequentially arranged at intervals along the length direction of the outer ladder body; the first inner ladder and the second inner ladder comprise an inner ladder body and inner ladder stops, and the inner ladder stops are sequentially arranged at intervals along the length direction of the inner ladder body;
The inner ladder rail comprises a ladder rail body and a panel, wherein positioning holes are respectively formed in two sides of the ladder rail body, and the panel is respectively and obliquely fixed on the upper side and the lower side of the ladder rail body, and wavy anti-skid patterns are formed in the panel;
The first locking unit and the second locking unit each include:
The base is fixed on the outer side of the outer ladder body, and a chute is horizontally formed in the base;
The bolts are matched with the positioning holes of each inner ladder rail, the bolts are connected with the positioning plates, the positioning plates are connected with the pull rods, and the pull rods are arranged in the base in a penetrating mode;
the return spring is sleeved on the pull rod and is positioned between the positioning plate and the base
The limiting stop rod is fixed on the positioning plate and slidably penetrates through the sliding groove.
2. The multi-functional fire rescue ladder of claim 1 wherein an end of the pull rod remote from the base is connected to a pull head, the pull head being located outside the base.
3. A multi-function fire rescue ladder as defined in claim 2, wherein the angle locking unit includes:
the ratchet wheel is fixed at the top of the first inner ladder;
And the ratchet is arranged at the top of the second inner ladder and matched with the ratchet.
4. The multifunctional fire rescue ladder of claim 1, wherein the lower part of the first outer ladder or the second outer ladder is splayed, and a sliding wheel is arranged at the bottom of the first outer ladder or the second outer ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321975463.0U CN220849540U (en) | 2023-07-26 | 2023-07-26 | Multifunctional fire rescue ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321975463.0U CN220849540U (en) | 2023-07-26 | 2023-07-26 | Multifunctional fire rescue ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220849540U true CN220849540U (en) | 2024-04-26 |
Family
ID=90746173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321975463.0U Active CN220849540U (en) | 2023-07-26 | 2023-07-26 | Multifunctional fire rescue ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220849540U (en) |
-
2023
- 2023-07-26 CN CN202321975463.0U patent/CN220849540U/en active Active
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