Antiskid fire-fighting staircase

The split-structure step design and anti-slip plate replacement mechanism solves the problem of complicated disassembly of the anti-slip strips of the fire stairs after wear, realizes the rapid replacement of the anti-slip plates and the drainage of rainwater, and improves the convenience and safety of the fire stairs.

CN223358585UActive Publication Date: 2025-09-19SHANGHAI YINGYI ARCHITECTURAL PLANNING CO LTD
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Patent Information

Application Number
CN202422849947.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-09-19
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

The anti-slip strips of existing fire stairs need to be replaced after being worn. The installation and disassembly are complicated and lack rainwater drainage and night warning functions.

Method used

A split-structure step body and anti-slip plate are designed. The anti-slip plate can be replaced separately through the cooperation of the second mounting groove, elastic component and clamping block. Drainage holes and fluorescent strips are set on the step to solve the problems of wear and night identification.

Benefits of technology

It enables quick replacement of the anti-slip plate, avoids the complexity of replacing the entire step, provides rainwater drainage function and night warning effect, and improves the convenience and safety of fire stairs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-skid fire-fighting stairway which comprises a mounting frame, the stair body comprises a plurality of stair platforms, the stair platforms are fixedly connected with the mounting frame, a pair of stair beams is connected between every two adjacent stair platforms, a pair of stair beams is connected between the stair platform located at the bottom and the ground, and a plurality of steps are connected between every pair of stair beams; the step comprises a step body, a first mounting groove is formed in the top of the step body, the first mounting groove comprises a first groove and two second grooves, the two second grooves are formed in the two sides of the first groove respectively, and the first groove is communicated with the second grooves through clamping grooves; second mounting grooves are formed in the side walls of the two ends of the antiskid plate, elastic assemblies are arranged in the second mounting grooves, one ends of the elastic assemblies are fixedly connected with the inner walls of the second mounting grooves, the other ends of the elastic assemblies are fixedly connected with clamping blocks, and the clamping blocks stretch out of the second mounting grooves and stretch into the clamping grooves. The whole step does not need to be replaced after the anti-slip strips are abraded, the anti-slip plates can be independently replaced, and disassembly and assembly are convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of fire stairs, in particular to an anti-slip fire stairs. Background Art

[0002] Fire stairs are the main vertical traffic space in a building. They are not only important channels for people to take refuge and evacuate safely in the vertical direction, but also auxiliary attack routes for firefighters to extinguish fires. Among them, outdoor fire stairs are fire stairs exposed on the outside of the building wall.

[0003] During a fire, evacuees can easily become congested on the stairs, and if someone falls, a serious stampede can occur. Therefore, anti-slip strips are installed on the steps of outdoor fire escape stairs to prevent slipping. However, after long-term use, the anti-slip strips on the steps will wear out, affecting the anti-slip effect. Existing fire escape stairs generally require the entire step to be replaced when the anti-slip strips wear out, which is complex to install and disassemble. Utility Model Content

[0004] The utility model aims to provide a non-slip fire-fighting staircase. When the non-slip strip is worn, there is no need to replace the entire step. The non-slip plate can be replaced separately, which is convenient for disassembly and assembly.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] An anti-slip fire-fighting staircase, comprising:

[0007] Mounting rack;

[0008] A staircase body, the staircase body comprising a plurality of staircase landings, the staircase landings being fixedly connected to the mounting frame, a pair of oppositely arranged ladder beams being fixedly connected between two adjacent staircase landings and between the staircase landing at the bottom and the ground, and a plurality of steps being fixedly connected between the two ladder beams of each pair;

[0009] The steps include:

[0010] A step body, wherein a first mounting groove is provided on the top of the step body, wherein the first mounting groove includes a first groove and two second grooves, wherein the two second grooves are respectively provided on both sides of the first groove, and the first groove is connected to the second groove through a clamping groove, and the clamping groove extends from the inner wall of the first groove to the inner wall of the second groove;

[0011] An anti-slip plate, the anti-slip plate matches the shape and size of the first groove, and the side walls at both ends of the anti-slip plate are provided with a second mounting groove, and an elastic component is provided in the second mounting groove, one end of the elastic component is fixedly connected to the inner wall of the second mounting groove, and the other end of the elastic component is fixedly connected to a card block, and the card block partially extends out of the second mounting groove and extends into the card slot.

[0012] Furthermore, both ends of the second mounting slot are provided with a limiting plate;

[0013] The card block includes:

[0014] A sliding plate, the sliding plate is fixedly connected to the elastic component, the sliding plate is arranged inside the second mounting groove and is slidably connected to the second mounting groove;

[0015] The block is fixedly connected to a side of the sliding plate away from the elastic component, and the block extends from the second installation slot between the two limiting plates and extends into the clamping slot.

[0016] Furthermore, the elastic component includes a plurality of telescopic rods, each of which is sleeved with a spring, and the ends of the telescopic rods and the springs are fixedly connected to the inner wall of the second mounting groove and the sliding plate respectively.

[0017] Furthermore, a slope is provided on the side of the bottom of the block away from the anti-slip plate.

[0018] Furthermore, the anti-slip plate includes a plate body, and a plurality of anti-slip strips are provided on the top of the plate body.

[0019] Furthermore, two finger grooves are provided on the inner wall of the bottom of the first mounting groove, and the positions of the two finger grooves correspond to the positions of the two ends of the anti-slip plate.

[0020] Furthermore, a drainage hole is provided on the side wall of the second groove.

[0021] Furthermore, a fluorescent strip is fixedly connected to the outer wall of the top of the step body.

[0022] Furthermore, guardrails are provided on the stair platform and ladder beams.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] 1. The step body and the anti-skid plate of the utility model are not an integrated structure, which makes it easy to replace the anti-skid plate separately. Through the cooperation of the second mounting groove, the elastic component, the card block and the card slot, when the anti-skid strip is worn and the anti-skid plate needs to be replaced, the card block is pressed to push the card block into the second mounting groove, so that the card block is out of the slot, and the anti-skid plate can be taken out of the first mounting groove and replaced. The disassembly and assembly are convenient and quick.

[0025] 2. The present invention can prevent the clamping block from falling out of the second mounting groove through the cooperation between the limiting plate and the sliding plate.

[0026] 3. The utility model is provided with a finger groove, which is convenient for applying force with fingers to remove the anti-slip plate from the first installation groove.

[0027] 4. The side wall of the second groove of the present invention is provided with a drainage through hole, which can drain the rainwater in the first installation groove on rainy days to prevent rainwater from accumulating in the first installation groove.

[0028] 5. The steps of the present invention are provided with fluorescent strips, which make it easier to distinguish the steps at night and serve as a warning. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural diagram of the utility model;

[0030] Figure 2 for Figure 1 A magnified view of point A;

[0031] Figure 3 This is a structural diagram of the utility model from another perspective;

[0032] Figure 4 is a structural diagram of the steps;

[0033] Figure 5 for Figure 4 Enlarged view of point B;

[0034] Figure 6 Schematic diagram of the structure of the step body;

[0035] Figure 7 for Figure 6 Enlarged view of point C;

[0036] Figure 8 Schematic diagram of the structure of the anti-skid plate;

[0037] Figure 9 for Figure 8 Enlarged view of point D;

[0038] Figure 10 It is a schematic diagram of the transverse cross-sectional structure of the anti-skid plate.

[0039] Figure 11 for Figure 10 Enlarged view of point E;

[0040] Figure 12 It is a structural diagram of the elastic component and the card block.

[0041] In the figure: 1. bracket; 11. column; 12. crossbeam; 13. first mounting ear; 2. stair platform; 21. mounting beam; 22. platform body; 3. ladder beam; 31. second mounting ear; 4. step; 41. step body; 42. first mounting groove; 421. first groove; 422. second groove; 423. slot; 43. anti-slip plate; 431. plate body; 4311. second mounting groove; 4312. limit plate; 432. anti-slip strip; 44. elastic component; 441. telescopic rod; 442. spring; 45. block; 451. sliding plate; 452. block; 4521. inclined surface; 46. finger groove; 47. drainage hole; 48. fluorescent strip; 5. guardrail; 6. building wall; 7. ground; 8. building window. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0043] See also Figure 1-12 , an embodiment provided by the utility model:

[0044] An anti-slip fire-fighting staircase, comprising:

[0045] Mounting rack;

[0046] The staircase body includes a plurality of stair platforms 2, which are fixedly connected to the mounting frame. A pair of oppositely arranged ladder beams 3 are fixedly connected between two adjacent stair platforms 2 and between the stair platform 2 at the bottom and the ground 7. A plurality of steps 4 are fixedly connected between the two ladder beams 3 of each pair.

[0047] Step 4 includes;

[0048] The step body 41 has a first mounting groove 42 at the top thereof. The first mounting groove 42 includes a first groove 421 and two second grooves 422. The two second grooves 422 are respectively provided on both sides of the first groove 421. The first groove 421 is connected to the second groove 422 through a clamping groove 423. The clamping groove 423 extends from the inner wall of the first groove 421 to the inner wall of the second groove 422.

[0049] The anti-slip plate 43 is a separate structure from the step body 41. The anti-slip plate 43 matches the shape and size of the first groove 421. Second mounting grooves 4311 are provided on both sidewalls of the anti-slip plate 43. An elastic component 44 is disposed within the second mounting groove 4311. One end of the elastic component 44 is fixedly connected to the inner wall of the second mounting groove 4311. The other end of the elastic component 44 is fixedly connected to a clamping block 45. The clamping block 45 partially extends out of the second mounting groove 4311 and extends into the clamping groove 423. When the clamping block 45 is pressed to retract the elastic component 44, the clamping block 45 can fully enter the second mounting groove 4311.

[0050] Since the step body 41 and the anti-slip plate 43 are not an integrated structure, it is convenient to replace the anti-slip plate 43 separately. Through the cooperation of the second mounting groove 4311, the elastic component 44, the block 45, and the slot 423, when the anti-slip strip 432 is worn and the anti-slip plate 43 needs to be replaced, press the block 45 to push the block 45 into the second mounting groove 4311, so that the block 45 is disengaged from the slot 423, and the anti-slip plate 43 can be taken out of the first mounting groove 42 and replaced.

[0051] Specifically, both ends of the second mounting groove 4311 are provided with a limiting plate 4312;

[0052] The card block 45 includes:

[0053] The sliding plate 451 is fixedly connected to the elastic component 44. The sliding plate 451 is disposed inside the second mounting groove 4311 and is slidably connected to the second mounting groove 4311. When the elastic component 44 is in the reset state, the sliding plate 451 abuts against the limiting plate 4312.

[0054] The block 452 is fixedly connected to a side of the sliding plate 451 away from the elastic component 44 . The block 452 extends from the second mounting slot 4311 between the two limiting plates 4312 and extends into the locking slot 423 .

[0055] The cooperation between the limiting plate 4312 and the sliding plate 451 can prevent the clamping block 45 from being separated from the second mounting groove 4311 .

[0056] Specifically, the elastic component 44 includes a plurality of telescopic rods 441 , each of which is sleeved with a spring 442 , and both ends of the telescopic rods 441 and the spring 442 are fixedly connected to the inner wall of the second mounting slot 4311 and the sliding plate 451 respectively.

[0057] Specifically, a slope 4521 is provided on the bottom of the block 452 away from the anti-slide plate 43. When the elastic component 44 is in the reset state, the position of the lowest end of the slope 4521 corresponds to the position of the outer wall of the anti-slide plate 43.

[0058] Specifically, the anti-slip plate 43 includes a plate body 431 , and a plurality of anti-slip strips 432 are provided on the top of the plate body 431 .

[0059] Specifically, two finger grooves 46 are provided on the inner wall of the bottom of the first mounting groove 42, and the positions of the two finger grooves 46 correspond to the positions of the two ends of the anti-slide plate 43. The finger grooves 46 can facilitate the finger force to remove the anti-slide plate 43 from the first mounting groove 42.

[0060] Specifically, a drainage hole 47 is provided on the sidewall of the second groove 422. When it rains, the drainage hole 47 can drain the rainwater in the first mounting groove 42 to prevent the rainwater from accumulating in the first mounting groove 42.

[0061] Specifically, a fluorescent strip 48 is fixedly connected to the outer wall of the top of the step body 41. The fluorescent strip 48 makes it possible to better distinguish the step 4 at night and plays a warning effect.

[0062] Specifically, guardrails 5 are provided on the stair platform 2 and the ladder beam 3 .

[0063] Specifically, the mounting frame includes two oppositely arranged brackets 1, each bracket 1 including four columns 11 arranged in a matrix. A plurality of crossbeams 12 are fixedly connected between two columns 11 on the same side. A first mounting ear 13 is fixedly connected to the bottom end of the column 11. The first mounting ear 13 is fixedly connected to the ground 7 via an expansion bolt.

[0064] The stair platform 2 includes four mounting beams 21 and a platform body 22. The four mounting beams 21 are respectively fixedly connected between two adjacent columns 11 of the bracket 1, among which a mounting beam 21 close to another bracket 1 is fixedly connected to the ladder beam 3; the platform body 22 is fixedly connected to the four mounting beams 21; the stair platform 2 on one of the brackets 1 is located below the building window 8.

[0065] Among them, the columns 11 and the mounting beams 21 close to the building wall 6 are fixedly connected to the building wall 6 by expansion bolts;

[0066] The bottom ends of the ladder beams 3 connected to the ground 7 are each provided with a second mounting lug 31 , and the second mounting lug 31 is each fixedly connected to the ground 7 by an expansion bolt.

[0067] Working principle: When the anti-slip strip 432 on the anti-slip plate 43 is worn, press the block 45, the elastic component 44 contracts, so that the block 45 completely enters the second installation groove 4311, the block 45 disengages from the slot 423, and then the anti-slip plate 43 is taken out; align the new anti-slip plate 43 with the first groove 421 and press downward, the edge of the first groove 421 contacts the inclined surface 4521 of the block 452 to squeeze the block 45, the elastic component 44 contracts, and the block 45 moves toward the inside of the second installation groove 4311. When the anti-slip plate 43 is placed in the first groove 421, the elastic component 44 resets, the block 45 extends into the slot 423, and the installation is completed.

[0068] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A non-slip fire-fighting staircase, characterized in that: include: Mounting rack; A staircase body, the staircase body comprising a plurality of staircase landings, the staircase landings being fixedly connected to the mounting frame, a pair of oppositely arranged ladder beams being fixedly connected between two adjacent staircase landings and between the staircase landing at the bottom and the ground, and a plurality of steps being fixedly connected between the two ladder beams of each pair; The steps include: A step body, wherein a first mounting groove is provided on the top of the step body, wherein the first mounting groove includes a first groove and two second grooves, wherein the two second grooves are respectively provided on both sides of the first groove, and the first groove is connected to the second groove through a clamping groove, and the clamping groove extends from the inner wall of the first groove to the inner wall of the second groove; An anti-slip plate, the anti-slip plate matches the shape and size of the first groove, and the side walls at both ends of the anti-slip plate are provided with a second mounting groove, and an elastic component is provided in the second mounting groove, one end of the elastic component is fixedly connected to the inner wall of the second mounting groove, and the other end of the elastic component is fixedly connected to a card block, and the card block partially extends out of the second mounting groove and extends into the card slot.

2. The anti-slip firefighting staircase according to claim 1, characterized in that: Limiting plates are provided at both ends of the second mounting slot; The card block includes: A sliding plate, the sliding plate is fixedly connected to the elastic component, the sliding plate is arranged inside the second mounting groove and is slidably connected to the second mounting groove; The block is fixedly connected to a side of the sliding plate away from the elastic component, and the block extends from the second installation slot between the two limiting plates and extends into the clamping slot.

3. The anti-slip firefighting staircase according to claim 2, characterized in that: The elastic component includes a plurality of telescopic rods, each of which is sleeved with a spring, and the ends of the telescopic rods and the springs are fixedly connected to the inner wall of the second mounting groove and the sliding plate respectively.

4. The anti-slip firefighting staircase according to claim 2, characterized in that: A slope is provided on one side of the bottom of the block away from the anti-slip plate.

5. The anti-slip firefighting staircase according to claim 2, characterized in that: The anti-slip plate comprises a plate body, and a plurality of anti-slip strips are arranged on the top of the plate body.

6. The anti-slip firefighting staircase according to claim 1, characterized in that: Two finger grooves are provided on the inner wall of the bottom of the first mounting groove, and the positions of the two finger grooves correspond to the positions of the two ends of the anti-slide plate.

7. The anti-slip firefighting staircase according to claim 1, characterized in that: A drainage through hole is provided on the side wall of the second groove.

8. The anti-slip firefighting staircase according to claim 1, characterized in that: A fluorescent strip is fixedly connected to the outer wall of the top of the step body.

9. The anti-slip firefighting staircase according to claim 1, characterized in that: The stair platform and the ladder beams are all provided with guardrails.