CN218912040U - Detachable stair railing structure - Google Patents

Abstract

The utility model belongs to the technical field of stair handrails, in particular to a detachable stair handrail structure, which comprises a connecting rod, wherein upright posts are clamped at two ends of the connecting rod, a yielding groove is formed in the bottom end of the connecting rod, a plurality of supporting blocks are fixedly connected to the inner wall of the yielding groove, limit grooves are formed in the side walls of the plurality of supporting blocks, hollow columns are hinged to the supporting blocks, threaded support rods are connected to the bottom ends of the hollow columns in a threaded manner, two opening and closing feet corresponding to the limit grooves are hinged to the bottom ends of the threaded support rods, limit components for limiting the connecting rod are arranged on the two upright posts, and through the cooperation of the hollow columns, the threaded support rods, the opening and closing feet and the limit grooves, the storage of all the components on the connecting rod is realized, the volume and occupied space are reduced, the waste of the space is reduced, the occupied space is prevented from being easily damaged when the occupied during carrying is prevented from touching other objects, and the later transportation and storage are convenient.

Description

Detachable stair railing structure

Technical Field

The utility model belongs to the technical field of stair handrails, and particularly relates to a detachable stair handrail structure.

Background

The stair railing is the safety enclosure device that building inside stair one side set up, for preventing people or article from dropping from stair one side, and the handrail can provide the support for the inconvenient personnel of health and assist, because the stair railing is at the handrail that the handrail frequency of use of the low position of public place floor such as school or hospital is higher than the floor height, thereby cause the stair railing to damage easily, make detachable stair railing adaptability higher then, but when the handrail is dismantled and is transported, current detachable stair railing volume is great, inconvenient when carrying, and occupation space is big when placing, be inconvenient for depositing, simultaneously, when installing the handrail, current handrail utilizes the part concatenation, actual operation is comparatively complicated, influence the efficiency of change and maintenance.

Disclosure of Invention

The utility model provides a detachable stair railing structure, which has the characteristic of large occupied space when the stair railing is placed.

The utility model provides the following technical scheme: including the connecting rod, the equal block in connecting rod both ends has the stand, the groove of stepping down has been seted up to the connecting rod bottom, the groove inner wall fixedly connected with a plurality of supporting shoe of stepping down, wherein a plurality of the spacing groove has all been seted up to the supporting shoe lateral wall, all articulated on the supporting shoe have the cavity post, cavity post bottom threaded connection has the screw thread bracing piece, the screw thread bracing piece bottom articulated have two with the foot that opens and shuts that the spacing groove corresponds, two all be equipped with on the stand right the spacing subassembly of connecting rod spacing is carried out.

The two ends of the connecting rod are fixedly connected with clamping blocks, and clamping grooves corresponding to the clamping blocks are formed in the top ends of the two upright posts.

The opening and closing foot is hinged with the threaded support rod through a torsion spring, and a limiting ring for limiting the opening and closing foot is fixedly connected to the side wall of the threaded support rod.

The limiting assembly comprises a rotating block, a rotating rod and a limiting rod, wherein the rotating block is rotationally connected to the top end of the upright post, the rotating rod is fixedly connected to the bottom end of the rotating block, the side wall of the rotating rod is fixedly connected with the limiting rod, and an arc-shaped groove corresponding to the limiting rod is formed in the upright post.

And the winding shaft is rotatably connected with the side wall of the limiting rod through a pull rope.

The beneficial effects of the utility model are as follows: through the cooperation use of hollow post, screw thread bracing piece, switching foot and spacing groove, realized accomodating each subassembly on the connecting rod, reduce the volume and the space that occupies, reduce the waste in space, and occupation space touches other objects and causes the damage when preventing the transport greatly, make things convenient for transportation and depositing at later stage, use through the cooperation of connecting rod and stand, for the device provides braced frame, the installation of each subassembly on the follow-up hollow post is fixed, use through the cooperation of hollow post, screw thread bracing piece and switching foot, the handrail that has avoided has now utilizes multiple part concatenation, easy operation improves the efficiency of changing and maintenance.

None of the parts of the device are the same as or can be implemented using prior art.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic diagram of a cross-sectional elevation view of the present utility model in motion;

fig. 3 is an enlarged view of a portion a in fig. 2;

fig. 4 is a schematic top view of a cross-sectional structure of an assembly such as a column in the present utility model.

In the figure: 1. a connecting rod; 11. a column; 12. a relief groove; 13. a clamping block; 14. a clamping groove; 15. an arc-shaped groove; 2. a support block; 21. a limit groove; 3. a hollow column; 31. a threaded support rod; 32. an opening and closing foot; 33. a torsion spring; 4. a limit component; 41. a rotating block; 42. a rotating rod; 43. a limit rod; 5. a winding shaft; 51. and (5) pulling the rope.

Detailed Description

Referring to fig. 1-4, the present utility model provides the following technical solutions: including connecting rod 1, the equal block in connecting rod 1 both ends has stand 11, and the groove 12 of stepping down has been seted up to connecting rod 1 bottom, and groove 12 inner wall fixedly connected with a plurality of supporting shoe 2 of stepping down, wherein spacing groove 21 has all been seted up to a plurality of supporting shoe 2 lateral wall, all articulates on the supporting shoe 2 has cavity post 3, cavity post 3 bottom threaded connection has screw thread bracing piece 31, and screw thread bracing piece 31 bottom articulates has two to open and shut foot 32 that correspond with spacing groove 21, all is equipped with on two stands 11 and carries out spacing subassembly 4 to connecting rod 1.

In this embodiment: the connecting rod 1 and the upright posts 11 form a handrail frame of a stair together, the supporting blocks 2 and the hollow posts 3 are matched for use, the space surrounded by the connecting rod 1 and the upright posts 11 is blocked, the abdication groove 12 provides a storage space for the supporting blocks 2 and the hollow posts 3, the hollow posts 3 and the threaded supporting rods 31 are fixed with the surface of the stair through the opening and closing feet 32, the opening and closing feet 32 are fixed with the stair through bolts, when the stair is damaged and needs to be replaced and maintained, the damaged stair handrail is detached firstly, then the new stair handrail is placed at the installation position, the two upright posts 11 are fixed on the stair through bolts, then the connecting rod 1 is placed between the two upright posts 11 for later clamping connection, then the threaded supporting rods 31 are retracted into the hollow posts 3 through the rotating threaded supporting rods 31, so that the opening and closing feet 32 are not limited by the limiting grooves 21 any more, then turning over the threaded support rods 31, the threaded support rods 31 drive the hollow columns 3 and the opening and closing pins 32 to rotate, then the hollow columns 3 are limited by the support blocks 2 and do not rotate any more, at the moment, the hollow columns 3 and the threaded support rods 31 are in a state vertical to the surface of the stairs, then the threaded support rods 31 are rotated, the threaded support rods 31 drive the opening and closing pins 32 to move downwards, when the opening and closing pins 32 are contacted with the surface of the stairs, the two opening and closing pins 32 are opened, the threaded support rods 31 are continuously rotated, when the side walls of the two opening and closing pins 32 are attached to the surface of the stairs, the rotation of the threaded support rods 31 is stopped, then the opening and closing pins 32 are fixed with the surface of the stairs by bolts, the opening and closing pins 32 drive the threaded support rods 31 to be fixed, the hollow columns 3 drive the connecting rods 1 to be fixed, and therefore the connecting rods 1 can be more stably fixed on the two upright posts 11, the connecting rod 1 and the upright post 11 are continuously fixed through the limiting component 4, the connecting rod 1 and the upright post 11 are covered by the limiting component 4, the attractiveness is improved, the novel handrail is installed, the existing handrail is prevented from being spliced by various parts, the operation is simple, the replacement and maintenance efficiency is improved, the threaded supporting rod 31 of the old stair handrail is rotated, the combined length of the threaded supporting rod 31 and the hollow post 3 is shortened, the hollow post 3 is rotated, the threaded supporting rod 31 is driven by the hollow post 3 to rotate, the threaded supporting rod 31 and the hollow post 3 are attached to the inner wall of the yielding groove 12, the threaded supporting rod 31 is rotated, the threaded supporting rod 31 is extended on the hollow post 3, the threaded supporting rod 31 is driven by the opening and closing feet 32, the two opening and closing feet 32 are folded, when the bottom end of the opening and closing feet 32 are clamped and limited by the limiting groove 21, the threaded supporting rod 31 and the opening and closing feet 32 are operated, the supporting block 2 and the hollow post 3 are enabled to be completely located in the space of the yielding groove 12, the occupied by the device is reduced, and the space of the connecting rod can be transported more conveniently and more than the conventional device, and the carrying device can be transported by the connecting rod 1 and the device can be placed more conveniently and the device can be placed at the same time when the position of the connecting rod is more than the position of the supporting rod is required to be moved by the carrying the supporting rod 3.

The two ends of the connecting rod 1 are fixedly connected with clamping blocks 13, and the top ends of the two upright posts 11 are provided with clamping grooves 14 corresponding to the clamping blocks 13; the connecting rod 1 is connected with the clamping grooves 14 on the upright post 11 in a clamping way through the clamping blocks 13 at the two ends, and the clamping grooves 14 conduct sliding guiding and limiting on the clamping blocks 13, so that the connecting rod 1 cannot shake at will.

The opening and closing foot 32 is hinged with the threaded support rod 31 through a torsion spring 33, and a limiting ring for limiting the opening and closing foot 32 is fixedly connected to the side wall of the threaded support rod 31; when dismantling the staircase, rotate screw thread bracing piece 31, screw thread bracing piece 31 drives the foot 32 that opens and shuts and upwards moves, and then through the drive of torsional spring 33, two feet 32 that open and shut fold the upset, then two foot 32 lateral walls laminating that open and shut, provide the assistance when carrying out the card to foot 32 and spacing groove 21 that open and shut.

The limiting assembly 4 comprises a rotating block 41, a rotating rod 42 and a limiting rod 43, wherein the rotating block 41 is rotationally connected to the top end of the upright post 11, the rotating rod 42 is fixedly connected to the bottom end of the rotating block 41, the limiting rod 43 is fixedly connected to the side wall of the rotating rod 42, and the upright post 11 is provided with an arc-shaped groove 15 corresponding to the limiting rod 43; when connecting rod 1 drives block 13 and block groove 14 installation, rotatory piece 41 makes rotatory piece 41 no longer spacing to block groove 14 opening, later with block 13 and block groove 14 block, rotatory piece 41 is rotatory afterwards, rotatory piece 41 drives rotary rod 42 and rotates, rotary rod 42 drives gag lever post 43 rotation, arc groove 15 carries out spacingly to gag lever post 43, rotatory piece 41 carries out spacingly to block 13, gag lever post 43 carries out spacingly to rotary rod 42 and rotatory piece 41.

The upright post 11 is provided with a winding shaft 5, and the winding shaft 5 is rotationally connected with the side wall of the limiting rod 43 through a pull rope 51; after the clamping block 13 is clamped with the clamping groove 14, the winding shaft 5 pulls the limiting rod 43 through the transmission of the pull rope 51, the winding shaft 5 winds the pull rope 51, the limiting rod 43 drives the rotating rod 42 to rotate, and the rotating rod 42 drives the rotating block 41 to rotate, so that the rotating block 41 can limit the clamping block 13.

The working principle and the using flow of the utility model are as follows: when installing the stair railing, use the bolt fastening with two stands 11 on the stair, then place connecting rod 1 between two stands 11 through the block joint groove 14 of block 13, then block joint connects, afterwards, through rotatory screw thread bracing piece 31, screw thread bracing piece 31 is retracted into the inside of hollow post 3, afterwards upset screw thread bracing piece 31, screw thread bracing piece 31 drives hollow post 3 and open and shut foot 32 rotation, rotatory screw thread bracing piece 31 afterwards, screw thread bracing piece 31 drives the foot 32 of opening and shutting, open two foot 32 of opening and shutting after opening and shutting foot 32 and stair face contact, rotatory screw thread bracing piece 31 drives two foot 32 lateral walls and stair face laminating, use the bolt will open and shut foot 32 and stair face to fix, it is fixed that foot 32 of opening and shutting drives screw thread bracing piece 31, screw thread bracing piece 31 drives hollow post 3 to fix, hollow post 3 drives connecting rod 1 to fix, take-up reel 5 rolls up the stay cord 51, stay cord 51 pulls spacing pole 43 to rotate, spacing pole 43 drives rotary rod 42 to rotate, 42 drives rotatory piece 41 to rotate, thereby make rotatory piece 41 can carry out spacing block 13, the operation is simple, multiple maintenance and repair efficiency is avoided.

Claims (5)

1. A detachable stair railing structure, characterized in that: including the connecting rod, the equal block in connecting rod both ends has the stand, the groove of stepping down has been seted up to the connecting rod bottom, the groove inner wall fixedly connected with a plurality of supporting shoe of stepping down, wherein a plurality of the spacing groove has all been seted up to the supporting shoe lateral wall, all articulated on the supporting shoe have the cavity post, cavity post bottom threaded connection has the screw thread bracing piece, the screw thread bracing piece bottom articulated have two with the foot that opens and shuts that the spacing groove corresponds, two all be equipped with on the stand right the spacing subassembly of connecting rod spacing is carried out.

2. A detachable stair railing structure according to claim 1, characterized in that: the connecting rod both ends all fixedly connected with block, two the block groove that corresponds with the block is all seted up on the stand top.

3. A detachable stair railing structure according to claim 1, characterized in that: the opening and closing foot is hinged with the threaded support rod through a torsion spring, and a limiting ring for limiting the opening and closing foot is fixedly connected to the side wall of the threaded support rod.

4. A detachable stair railing structure according to claim 1, characterized in that: the limiting assembly comprises a rotating block, a rotating rod and a limiting rod, wherein the rotating block is rotationally connected to the top end of the upright post, the rotating rod is fixedly connected to the bottom end of the rotating block, the side wall of the rotating rod is fixedly connected with the limiting rod, and an arc-shaped groove corresponding to the limiting rod is formed in the upright post.

5. A detachable stair railing structure according to claim 4, wherein: and a winding shaft is arranged on the upright post and is rotationally connected with the side wall of the limiting rod through a pull rope.

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