CN220167553U - Large gap shielding structure of temporary guardrail of stair - Google Patents

Abstract

The utility model relates to the technical field of stair guardrails and discloses a large gap shielding structure of a stair temporary guardrail, which comprises a mounting shell, wherein a fixing shell is fixed at the center of the bottom of an inner cavity of the mounting shell, a compression spring is fixed in the inner cavity of the fixing shell, a fixing rod is fixed at the other end of the compression spring, and the inner cavity of the fixing shell is in sliding connection with the surface of the fixing rod; according to the utility model, the first movable plate can be more attached to the stair handrail through the movable connecting block, gaps between the stair and the handrail are effectively blocked, sundries and dust are blocked, so that the dust and the sundries cannot easily fall from the gaps, the danger of workers in working is effectively reduced, meanwhile, the limiting block is in a detachable design, the limiting block is convenient to limit according to connecting pipes with different shapes, the stability of the mechanism in shielding is further improved, and the problems that the gaps between the stair and the handrail are larger and the dust and the sundries fall at present are solved.

Description

Large gap shielding structure of temporary guardrail of stair

Technical Field

The utility model relates to the technical field of stair guardrails, in particular to a large-gap shielding structure of a stair temporary guardrail.

Background

Stairs are also arranged in multi-storey and high-rise buildings with elevators and automatic ladders as main vertical transportation means, the stairs consist of sections of continuous steps, platforms, enclosure components and the like, the horizontal projection distance between the lowest and highest steps of the stairs is the length of the stairs, and the total height of the steps is the height of the stairs.

At present, before the building site with stairs uses the stairs, guardrails are welded at the edges of the stairs, workers are prevented from carelessly falling from the stairs when using the stairs, the safety of the workers when using the stairs is improved, meanwhile, large objects are prevented from falling from the edges of the stairs, the safety of the workers when using the stairs is further improved, when the stair handrails are welded on the building site, a plurality of connecting pipes are welded at present, blocking is carried out simply, but in the construction process, partial stones, dust and sundries fall on the stairs, but the conventional guardrails can only simply block the edges of the stairs, large gaps exist between the stairs and the handrails, dust and sundries still fall from the gaps between the stairs and the handrails, the danger of the workers when working is increased, and the danger of the workers when working is increased.

Disclosure of Invention

The utility model aims to provide a large gap shielding structure of a temporary guardrail of a stair, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a big gap of interim guardrail of stair shelters from structure, includes the installation shell, the center of installation shell inner chamber bottom is fixed with the fixed shell, the inner chamber of fixed shell is fixed with compression spring, compression spring's the other end is fixed with the dead lever, the inner chamber of fixed shell and the surface sliding connection of dead lever, the top of dead lever articulates there is the connecting block, the spacing groove has been seted up at the top of connecting block, the top of connecting block is provided with the stopper, the stopper agrees with each other with the spacing groove, the top of stopper is fixed with first fly leaf, first screens groove has been seted up at the top of first fly leaf, the top of stopper is fixed with the second fly leaf, the second screens groove has been seted up at the top of second fly leaf, the bottom of installation shell is fixed with installation mechanism.

Preferably, the mounting mechanism comprises a bottom plate, fixing bolts are connected to the left side and the right side of the top of the bottom plate in a threaded mode, and the number of the fixing bolts is four.

Preferably, an extension spring is fixed at the bottom of the inner cavity of the installation shell, the other end of the extension spring is fixedly connected with the bottom of the connecting block, the number of the extension springs is two, and the extension springs are distributed at the bottom of the installation shell around the center of the fixing shell.

Preferably, the front surface of the connecting block is provided with a mounting groove, and the position of the mounting groove corresponds to the position of the limit bolt.

Preferably, the first movable plate and the second movable plate are wedge-shaped, and the first movable plate and the second movable plate are identical in size and inclination angle.

Preferably, the first clamping groove is cuboid in shape, and the second clamping groove is semi-cylindrical in shape.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the first movable plate can be more attached to the stair handrail through the movable connecting block, gaps between the stair and the handrail are effectively blocked, sundries and dust are blocked, so that the dust and the sundries cannot easily fall from the gaps, the danger of workers in working is effectively reduced, meanwhile, the limiting block is in a detachable design, the limiting block is convenient to limit according to connecting pipes with different shapes, the stability of the mechanism in shielding is further improved, and the problems that the gaps between the stair and the handrail are larger and the dust and the sundries fall at present are solved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a three-dimensional cross-sectional structure in the present utility model;

FIG. 3 is a schematic view of a partial perspective cross-sectional structure in the present utility model;

fig. 4 is a schematic view of a partial perspective structure in the present utility model.

In the figure: 1. a mounting shell; 2. a fixed case; 3. a compression spring; 4. a fixed rod; 5. a connecting block; 6. a limit groove; 7. a limiting block; 8. a first movable plate; 9. a first clamping groove; 10. a limit bolt; 11. a mounting groove; 12. a tension spring; 13. a second movable plate; 14. a second clamping groove; 15. a mounting mechanism; 151. a bottom plate; 152. and (5) fixing bolts.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a large gap shielding structure of a temporary guard rail for stairs comprises a mounting shell 1, a fixing shell 2 is fixed at the center of the bottom of an inner cavity of the mounting shell 1, a compression spring 3 is fixed in the inner cavity of the fixing shell 2, a fixing rod 4 is fixed at the other end of the compression spring 3, the inner cavity of the fixing shell 2 is slidably connected with the surface of the fixing rod 4, a connecting block 5 is hinged at the top of the fixing rod 4, a limit groove 6 is arranged at the top of the connecting block 5, a limit block 7 is arranged at the top of the connecting block 5, the limit block 7 is mutually matched with the limit groove 6, a first movable plate 8 is fixed at the top of the limit block 7, a first clamping groove 9 is arranged at the top of the first movable plate 8, a second movable plate 13 is fixed at the top of the limit block 7, the second screens groove 14 has been seted up at the top of second fly leaf 13, the bottom of installation shell 1 is fixed with installation mechanism 15, this structure makes first fly leaf 8 can with the laminating more between the stair railing through removing connecting block 5, stop stair and handrail department's gap effectively, block debris and dust, make dust and debris can not drop from the gap easily, effectively reduced staff's danger at the during operation, stopper 7 is detachable design simultaneously, the convenience is spacing according to the connecting pipe of different shapes, stability when sheltering from has further been increased this mechanism, the problem that the gap is great between stair and the handrail at present has been solved, dust and debris drop.

The installation mechanism 15 includes a bottom plate 151, the left and right sides at the top of the bottom plate 151 are all threaded with fixing bolts 152, and the number of the fixing bolts 152 is four, in this embodiment, through the arrangement of the bottom plate 151 and the fixing bolts 152, the fixing bolts 152 can be fixedly connected with the stair step, so that the installation shell 1 can be in a stable state, and the situation of inclination or falling off cannot easily occur.

The bottom of installation shell 1 inner chamber is fixed with extension spring 12, and extension spring 12's the other end and the bottom fixed connection of connecting block 5, extension spring 12's quantity is two, and uses fixed shell 2 to distribute in the bottom of installation shell 1 around as the center, in this embodiment, through extension spring 12's setting, can carry out auxiliary stay to its both ends when connecting block 5 removes, make it more stable when rotatory, also make first screens groove 9 and second screens groove 14 and connecting pipe contact more stable simultaneously.

The mounting groove 11 has been seted up in the front of connecting block 5, and the position of mounting groove 11 corresponds with the position of stop bolt 10 each other, and in this embodiment, through the setting of mounting groove 11, can hide the nut department of stop bolt 10, prevents that stop bolt 10 from outstanding rotatory that influences connecting block 5.

The shape of first fly leaf 8 and second fly leaf 13 is the wedge, and the size and the inclination of first fly leaf 8 and second fly leaf 13 are the same, in this embodiment, through this kind of setting, can be when first fly leaf 8 and second fly leaf 13 are laminating with the connecting pipe, only need rotatory less angle just can laminate with the connecting pipe, need not rotatory great angle, more convenient shelter from the gap department of stair.

The shape of the first clamping groove 9 is cuboid, the shape of the second clamping groove 14 is semi-cylindrical, in this embodiment, through this kind of setting, the extrusion to circular pipe and square pipe can be just realized through using different first clamping groove 9 and second clamping groove 14, increases the suitability of this structure.

Working principle: firstly, observe whether the connecting pipe of stair is square or circular, if circular, then rotatory stop bolt 10, stop bolt 10 removes the spacing to stopper 7 simultaneously, change second fly leaf 13 afterwards, then rotatory stop bolt 10 is fixed stopper 7, make second fly leaf 13 can be fixed, then set up the step department of stair with fixing bolt 152 size and mutual hole in position, next rotatory fixing bolt 152, make it can be fixed with the stair, after finishing this structure is fixed, press second fly leaf 13, second fly leaf 13 drives stopper 7 and removes, stopper 7 drives stop bolt 10 and connecting block 5 afterwards, simultaneously connecting block 5 drives dead lever 4 and removes, correspond the position of second screens groove 14 with the connecting pipe, then loosen the extrusion to second fly leaf 13, under compression spring 3 and extension spring 12's effect, make second fly leaf 13 upwards move, make second screens groove 14 can with the mutual hole of dead lever 152, simultaneously under the articulated effect of dead lever 4 and connecting block 5, second fly leaf 13 can rotate, make second screens and shelter from the groove 14 and the joint hole is more than the repeated shape of connecting pipe, if the joint line is required to be changed to the shape, then the connecting pipe 8 is repeatedly carried out to the joint line shape.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a big gap of interim guardrail of stair shelters from structure, includes installation shell (1), its characterized in that: the utility model discloses a mounting shell, including installation shell (1), fixed shell (2)'s inner chamber is fixed with compression spring (3), compression spring (3)'s the other end is fixed with dead lever (4), the inner chamber of fixed shell (2) and the surface sliding connection of dead lever (4), connecting block (5) are articulated at the top of dead lever (4), spacing groove (6) have been seted up at the top of connecting block (5), the top of connecting block (5) is provided with stopper (7), stopper (7) agree with each other with spacing groove (6), first draw-in groove (9) have been seted up at the top of stopper (7), the top of stopper (7) is fixed with second fly leaf (13), second draw-in groove (14) have been seted up at the top of second fly leaf (13), the bottom of installation shell (1) is fixed with installation mechanism (15).

2. The large gap shielding structure of a temporary guard rail for stairs according to claim 1, wherein: the mounting mechanism (15) comprises a bottom plate (151), fixing bolts (152) are connected to the left side and the right side of the top of the bottom plate (151) in a threaded mode, and the number of the fixing bolts (152) is four.

3. The large gap shielding structure of a temporary guard rail for stairs according to claim 1, wherein: the bottom of installation shell (1) inner chamber is fixed with extension spring (12), the bottom fixed connection of the other end and connecting block (5) of extension spring (12), the quantity of extension spring (12) is two, and uses fixed shell (2) as the bottom of central front and back distribution at installation shell (1).

4. A large gap shielding structure for a temporary guard rail of a stairway according to any one of claims 1-3, wherein: the front of connecting block (5) has seted up mounting groove (11), the position of mounting groove (11) corresponds with the position of spacing bolt (10) each other.

5. A large gap shielding structure for a temporary guard rail of a stairway according to any one of claims 1-3, wherein: the shapes of the first movable plate (8) and the second movable plate (13) are wedge-shaped, and the sizes and the inclination angles of the first movable plate (8) and the second movable plate (13) are the same.

6. A large gap shielding structure for a temporary guard rail of a stairway according to any one of claims 1-3, wherein: the first clamping groove (9) is cuboid in shape, and the second clamping groove (14) is semi-cylindrical in shape.