CN216921079U - Integral type Z font grafting assembled stair are marked time - Google Patents

Abstract

The utility model discloses an integrated Z-shaped plug-in assembly type stair step which comprises a stair base layer, a stair step panel and a stair vertical plate, wherein the stair base layer comprises a stair vertical surface and a stair tread surface vertical to the stair vertical surface, the stair step panel comprises a supporting plate and a connecting lug vertically extending from one end part of the supporting plate, and the integrated Z-shaped plug-in assembly type stair step further comprises a Z-shaped corner connector used for connecting the connecting lug with one end of the stair vertical plate, the Z-shaped corner connector comprises a connecting plate, a first end plate and a second end plate, the first end plate and the second end plate respectively extend from the two end parts of the connecting plate in an opposite mode, a first groove used for plugging in the first end plate is formed in one end of the stair vertical plate, an L-shaped groove used for containing the second end plate and the connecting plate is formed in a communication mode, when the connecting lug is in butt joint with one end of the stair vertical plate, the Z-shaped groove is used for embedding the Z-shaped corner connector, the supporting plate is bonded with the stair tread surface, and is convenient to store, transport, and the connecting plate with the stair tread surface, The structure is stable.

Description

Integral type Z font grafting assembled stair are marked time

Technical Field

The utility model relates to the field of stair steps, in particular to an integrated Z-shaped plug-in assembly type stair step.

Background

The existing stair steps are mostly in a complete wet method operation mode when being paved, namely, cement mortar is directly used for paving a step panel on a concrete poured stair step, for example, a reinforced concrete stair step cement mortar surface layer plastering construction structure disclosed by patent document with application number CN201320438362.X comprises a mortar leveling layer which is uniformly smeared on the stair step, an external corner bead which is arranged at the external corner of the stair step and a mortar surface layer which is uniformly smeared on the mortar leveling layer after the external corner bead and the external corner bead are completely arranged, and the external corner bead is fastened and fixed in the mortar surface layer; the external corner protector is a steel bar protector or a copper bar protector; the steel bar corner protector comprises corner protector steel bars arranged on the stair step external corner and a plurality of anchoring steel bar groups for fastening and fixing the corner protector steel bars in the mortar surface layer; the copper bar angle bead comprises an angle bead copper bar arranged on the stair step external corner and a plurality of copper bar fixing pieces for tightly fixing the angle bead copper bar in the mortar surface layer, namely the angle bead copper bar is arranged on the stair step external corner. Although the mode has the advantages of high strength and good foot feel after curing, the construction process is accompanied by larger construction noise, the environment is easily polluted, and the cement dust on the site is easy to damage the human health.

Therefore, in order to realize design standardization, production industrialization, construction assembly and improve construction quality and construction efficiency of the stair steps, in the prior art, the assembled stair steps are more and more applied compared with the stair steps constructed by traditional cement mortar, for example, the Chinese patent with the publication number of CN202022191353.8 discloses an assembled stair step, which comprises an L-shaped step unit component, a leveling device and a first fixing piece, wherein the L-shaped step unit component comprises an L-shaped step surface layer and a U-shaped groove reinforcing rib, the L-shaped step surface layer comprises a tread and a tread, the U-shaped groove reinforcing rib comprises a tread U-shaped groove reinforcing rib and a tread U-shaped groove reinforcing rib, the leveling device comprises a T-shaped adjusting piece and a fixing device, the U-shaped groove reinforcing rib is fixed on the L-shaped step surface layer, the U-shaped groove on the tread U-shaped groove reinforcing rib and the U-shaped groove reinforcing rib are arranged on the T-shaped adjusting piece, the T-shaped adjusting piece is installed on the fixing device, and the fixing device is fixed on the tread and the kicking surface of the original stair surface through the first fixing piece. The utility model adopts the assembly type dry operation construction, and takes the stair step tread and the tread as an integral unit part to replace the traditional wet operation construction, thereby simplifying the construction steps, shortening the construction period, improving the engineering quality due to factory standardized production, reducing the material loss of cement mortar adhesive and the like, reducing the pollution source of the construction link, realizing green environment-friendly construction, realizing the design standardization, production industrialization and construction assembly of the stair steps and improving the construction quality and the construction efficiency, but the L-shaped step surface layer is of an integral structure, occupies large space and is not beneficial to storage and transportation.

Disclosure of Invention

In order to solve the problems, the utility model provides an integrated Z-shaped plug-in assembly type stair step which is convenient to store and transport and stable in structure.

According to the first aspect of the utility model, an integrated Z-shaped plug-in assembly type stair step is provided, which comprises a stair base layer, a stair step panel and a stair vertical plate, wherein the stair base layer comprises a stair vertical surface and a stair tread surface vertical to the stair vertical surface, the stair step panel comprises a support plate, a connecting lug vertically extending from one end of the support plate, and a Z-shaped corner brace used for connecting the connecting lug with one end of the stair vertical plate, the Z-shaped corner brace comprises a connecting plate, a first end plate and a second end plate, the first end plate and the second end plate respectively extend from two end portions of the connecting plate in an opposite mode, one end of the stair vertical plate is provided with a first groove used for plug-in connection with the first end plate, the connecting lug is provided with an L-shaped groove used for accommodating the second end plate and the connecting plate, when the connecting lug is in butt joint with one end of the stair vertical plate, the L-shaped groove is communicated with the first groove to form a Z-shaped groove used for embedding the Z-shaped corner brace, the support plate is bonded with the stair tread.

By the method, the following three effects can be achieved:

firstly, compared with an integrally formed L-shaped stair tread panel structure, the stair tread and the stair vertical plate which are separately arranged occupy small volume and are convenient to transport and store;

secondly, the stair vertical plate is connected with the stair tread panel through the Z-shaped corner connectors, after the supporting plate is bonded with the stair tread, the stair vertical plate is limited and fixed by the stair tread panel, relative movement between the stair vertical plate and the stair tread is not easy to occur, and the formed stair tread structure is stable;

moreover, the stair vertical plate is fixedly connected with the stair vertical plate without any other fixing modes, such as bonding or screw connection and the like, and installation can be realized only through limiting of the stair tread panel, so that the construction efficiency is improved.

As described above, the Z-shaped corner brace is utilized to limit one end of the stair riser, so as to limit both ends of the stair riser, and further stabilize the stepping structure, and as an optimal step of the scheme, the stair riser further comprises an L-shaped corner brace for connecting the support plate and the other end of the stair riser, wherein the L-shaped corner brace comprises a first member and a second member which are fixedly connected with each other in a mutually perpendicular manner, the other end of the stair riser is provided with a second groove for inserting the first member, the bottom of the support plate is provided with a connecting groove for accommodating the second member, the second member is provided with a screw positioning hole, the second member is attached to the stair tread, when the support plate is abutted against the stair riser, the second groove is communicated with the connecting groove to form a groove for embedding the L-shaped corner brace, and in the scheme, the upper end of the right-angle riser is limited by the connecting lug of the stair tread panel of the previous stair through the Z-shaped corner brace The lower end of the stair vertical plate is limited through an L-shaped corner connector, and when the stair step panel and the L-shaped corner connector of the previous step are fixedly connected with the stair base layer respectively, the stair vertical plate is fixed.

In order to realize the bonding of the support plate and the stair tread, as an optimization, a rectangular glue groove is formed in the bottom of the support plate and is used for containing a bonding agent, compared with the mode that the bonding agent is directly coated on the bottom of the support plate, on one hand, the bonding agent is more in use amount and firmer in bonding, on the other hand, the support plate is prevented from being thickened to cause installation errors, a honeycomb pore plate is arranged in the rectangular glue groove and is provided with a honeycomb through hole, and the problem that the transverse stress borne by the support plate is reduced after a rectangular groove is formed is solved;

on the basis of above-mentioned scheme, this application will the honeycomb through-hole set up the direction with stair tread is perpendicular, and in this scheme, the honeycomb orifice plate has two kinds of effects, firstly plays the effect of supporting the skeleton, reduces the cracked problem of backup pad long-time back of using of the pressure of rectangle recess stress point, secondly as the packing carrier of viscose, provides a plurality of bonding points, prevents when not hindering packing the viscose in the rectangle recess that the viscose from damaging or bonding insecure problem because expend with heat and contract with cold appears the backup pad after the solidification.

Preferably, the rectangular glue groove transversely penetrates through the support plate and is parallel to the stair tread so as to increase the contact area of the adhesive and the stair base layer.

Preferably, the number of the rectangular glue grooves is at least one, the rectangular glue grooves are equidistantly distributed at the bottom of the supporting plate, and the rectangular glue grooves are equidistantly distributed at the bottom of the supporting plate, so that the supporting plate bears uniform pressure, and the service life of the supporting plate is prolonged.

If the adhesive is directly filled into the rectangular adhesive groove and is not cured, the adhesive can be dispersed to the stair base layer under the action of gravity, the thickness of the supporting plate can be increased after the adhesive is cured, and installation errors are caused;

the stair vertical plate is limited by the scheme, so that the stair vertical plate can be fixed in the longitudinal direction, and in order to further fix the stair vertical plate in the transverse direction, one end of the connecting lug is provided with a limiting block for stopping the transverse movement of the stair vertical plate.

Preferably, the stair vertical plate is provided with a limiting groove matched with the limiting block.

The utility model has the beneficial effects that:

1. compared with an integrally formed L-shaped stair tread panel structure, the stair tread and the stair vertical plate which are separately arranged occupy small volume and are convenient to transport and store;

2. the formed stair step structure is stable and is not easy to tilt;

3. the vertical stair plates can be installed only through limiting, and construction efficiency is improved;

4. the bonding mode of the supporting plate is firm and durable, and the caused installation error is small.

Drawings

FIG. 1 is a schematic view of the overall structure of a stair step;

FIG. 2 is a cross-sectional structure of a stair tread panel;

FIG. 3 is a schematic cross-sectional view of a riser of the staircase;

FIG. 4 is a schematic cross-sectional view of a Z-bracket;

FIG. 5 is a cross-sectional view of an L-shaped corner brace.

In the figure: 1. a stair base layer; 2. a stair tread panel; 3. a stair riser; 11. a stair facade; 12. stair treads; 21. a support plate; 22. connecting lugs; 123. z-shaped corner connectors; 124. a connecting plate; 125. a first end plate; 126. a second end plate; 31. a first groove; 221. an L-shaped groove; 4. l-shaped corner connectors; 41. a first member; 42. a second member; 32. a second groove; 212. connecting grooves; 43. screw positioning holes; 23. a rectangular glue groove; 24. a honeycomb pore plate; 25. a honeycomb through hole; 27. filtering with a screen; 28. a limiting block; 29. a limiting groove.

Detailed Description

The present invention will be described in further detail with reference to examples.

In the description of the present application, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1

As shown in fig. 1, an integrated Z-shaped plug-in assembled stair step includes a stair base layer 1, a stair step panel 2, and a stair riser 3, where the stair base layer 1 includes a stair riser 11 and a stair tread 12 perpendicular to the stair riser 11, the stair step panel 2 includes a support plate 21, a connection lug 22 extending vertically from one end of the support plate 21, and further includes a Z-shaped corner brace 123 for connecting the connection lug 22 with one end of the stair riser 3, the Z-shaped corner brace 123 includes a connection plate 124, and a first end plate 125 and a second end plate 126 extending opposite to and opposite to two ends of the connection plate 124, as shown in fig. 3, one end of the stair riser 3 is provided with a first groove 31 for plugging the first end plate 125, the first groove 31 is disposed in the middle of an upper end of the stair riser 3 and transversely penetrates the stair riser 3, the connection lug 22 is provided with an L-shaped groove 221 for accommodating the second end plate 126 and the connection plate 124, the L-shaped groove 221 of the scheme is arranged according to the width of the connecting plate 124 in the Z-shaped corner brace 123 and can be arranged at the end side part or the end middle part of the connecting lug 22, when the connecting lug 22 is in butt joint with one end of the stair vertical plate 3, the L-shaped groove 221 and the first groove 31 are communicated to form a Z-shaped groove used for embedding the Z-shaped corner brace 123, and the support plate 21 is bonded with the stair tread 12.

By the method, the following three effects can be achieved:

firstly, compared with the integrally formed L-shaped stair tread panel 2 structure, the stair tread 12 and the stair vertical plate 3 which are separately arranged occupy small volume and are convenient to transport and store;

secondly, as shown in fig. 4, the stair riser 3 is connected with the stair tread panel 2 through a Z-shaped corner brace 123, after the support plate 21 is bonded with the stair tread 12, the stair tread panel 2 limits and fixes the stair riser 3, the stair riser 3 and the stair tread panel are not easy to move relatively, and the formed stair tread structure is stable, and it is worth noting that the stair tread panel 2 of the scheme comprises the support plate 21 and a connecting lug 22, and the connecting lug 22 plays a role in drawing the support plate 21, so that the situation that the outer end part of the support plate 21 is tilted upwards due to uneven stress is prevented;

furthermore, the stair vertical plate 3 does not need any other fixing mode and is fixedly connected with the stair vertical plate 3, such as bonding or screw connection and the like, and installation can be realized only through limiting of the stair tread panel 2, so that the construction efficiency is improved.

For the stair vertical plate 3, the scheme realizes that the stair vertical plate 3 is only installed on the stair base layer 1 through limiting action, and the specific means are as follows:

as shown in fig. 5, the scheme further includes an L-shaped corner brace 4 for connecting the support plate 21 and the other end of the stair riser 3, the L-shaped corner brace 4 includes a first member 41 and a second member 42 fixedly connected to each other in a perpendicular manner, the other end of the stair riser 3 is provided with a second groove 32 for inserting the first member 41, the bottom of the support plate 21 is provided with a connecting groove 212 for accommodating the second member 42, the second member 42 is provided with a screw positioning hole 43, the second member 42 is attached to the stair tread 12, when the support plate 21 is abutted to the stair riser 3, the second groove 32 is communicated with the connecting groove 212 to form a right-angle groove for embedding the L-shaped corner brace 4, one end of the connecting lug 22 is provided with a limiting block 28 for stopping the stair riser 3 from moving in a transverse direction, the specific position of the limiting block 28 is a side portion of one end of the connecting lug 22, the limiting block 28 extends downwards to the connecting lug 22, the stair riser 3 is provided with a limiting groove 29 matched with the limiting block 28, the limiting groove 29 is a rectangular groove and does not penetrate through the connecting lug 22 in any direction, the limiting groove 29 is formed in the side portion of the upper end of the stair riser 3, it is noted that the position where the limiting block 28 is arranged is not overlapped with the position of the L-shaped groove 221, and the position where the limiting groove 29 is formed is not overlapped with the position of the first groove 31. Through above-mentioned structure, realize the vertical and horizontal spacing fixed of stair riser 3, concrete reason is as follows: utilize Z type angle sign indicating number 123 can realize the limiting displacement to 3 one ends of stair riser, for right the both ends of stair riser 3 all carry on spacingly, further stabilize the structure of marking time, in this scheme, the upper end of stair riser 3 is marked time the engaging lug 22 of panel 2 through Z type angle sign indicating number 123 by the stair of last ladder and is spacing, the lower extreme of stair riser 3 is spacing through L type angle sign indicating number 4, when the stair of last ladder mark time panel 2 and L type angle sign indicating number 4 respectively with when 1 rigid coupling of stair basic unit, stair riser 3 is fixed in longitudinal direction, and the rethread stopper 28 realizes the horizontal fixation to stair riser 3 with the cooperation of spacing groove 29.

As shown in fig. 2, in order to bond the support plate 21 to the stair tread 12, the scheme adopts the following measures:

in the scheme, the rectangular glue groove 23 is formed in the bottom of the supporting plate 21, the rectangular glue groove 23 is used for containing a bonding agent, compared with the mode that the bonding agent is directly coated on the bottom of the supporting plate 21, on one hand, the bonding agent is more in amount and firmer in bonding, on the other hand, the supporting plate 21 is prevented from being thickened to cause installation errors, a honeycomb pore plate 24 is arranged in the rectangular glue groove 23, and the honeycomb pore plate 24 is provided with honeycomb through holes 25 to solve the problem that the transverse stress borne by the supporting plate 21 is reduced after the rectangular groove is formed; on the basis of the above scheme, this application will the setting of seting up direction of honeycomb through-hole 25 set up with stair tread 12 is perpendicular, in this scheme, honeycomb orifice plate 24 has two kinds of effects, firstly, play the effect of supporting the skeleton, reduce the cracked problem of backup pad 21 after long-time use is avoided to the pressure of rectangle recess stress point, secondly, as the packing carrier of adhesive, provide a plurality of bonding points, prevent adhesive in the solidification when not hindering pack adhesive in the rectangle recess because the expansion with heat and contraction with cold appear damaging or the not firm problem of bonding backup pad 21, furtherly, rectangle glue groove 23 transversely runs through backup pad 21 and rectangle glue groove 23 is on a parallel with stair tread 12 to increase the area of contact of adhesive and stair basic unit 1, rectangle glue groove 23 has one at least, rectangle glue groove 23 equidistance distribute in the bottom of backup pad 21, rectangle glue groove 23 equidistance distribute in the bottom of backup pad 21 for backup pad 21 bears even pressure, prolongs backup pad 21's life, in addition, if directly pack the viscose agent to rectangle glue groove 23 intussuseption, still not treat the viscose agent solidification, owing to receive the action of gravity, the viscose agent can disperse extremely stair basic unit 1, probably strengthen after the solidification the thickness of backup pad 21 arouses installation error, the notch in rectangle glue groove 23 is equipped with at least one deck filter screen 27, slows down the flow velocity of viscose agent.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. The utility model provides an integral type Z font grafting assembled stair are marked time, its characterized in that, includes stair basic unit (1), stair tread panel (2), stair riser (3), stair basic unit (1) include stair facade (11), with stair facade (11) vertically stair tread (12), stair tread panel (2) include backup pad (21), extend perpendicularly in engaging lug (22) a tip of backup pad (21), still include be used for connecting engaging lug (22) and stair riser (3) one end Z type angle sign indicating number (123), Z type angle sign indicating number (123) include connecting plate (124), respectively back of the body extend in first end plate (125) and second end plate (126) at connecting plate (124) both ends, the one end of stair riser (3) is equipped with first recess (31) that are used for pegging graft first end plate (125), the connecting lug (22) is provided with an L-shaped groove (221) used for containing the second end plate (126) and the connecting plate (124), when the connecting lug (22) is in butt joint with one end of the stair vertical plate (3), the L-shaped groove (221) and the first groove (31) are communicated to form a Z-shaped groove used for embedding the Z-shaped corner code (123), and the supporting plate (21) is bonded with the stair tread (12).

2. The integrated Z-shaped plug-in assembled stair step of claim 1, further comprising an L-shaped corner connector (4) for connecting the support plate (21) with the other end of the stair riser (3), the L-shaped corner connector (4) comprises a first component (41) and a second component (42) which are vertically and fixedly connected with each other, the other end of the stair vertical plate (3) is provided with a second groove (32) for inserting the first component (41), the bottom of the supporting plate (21) is provided with a connecting groove (212) for accommodating the second member (42), the second component (42) is provided with a screw positioning hole (43), the second component (42) is attached to the stair tread (12), when the supporting plate (21) is abutted to the stair vertical plate (3), the second groove (32) is communicated with the connecting groove (212) to form a right-angle groove for embedding the L-shaped corner connector (4).

3. The integrated Z-shaped plug-in assembly type stair step as claimed in claim 1, wherein a rectangular glue groove (23) is formed in the bottom of the support plate (21), a honeycomb hole plate (24) is arranged in the rectangular glue groove (23), and the honeycomb hole plate (24) is provided with a honeycomb through hole (25).

4. An integrated Z-shaped plug-in assembled stair step as claimed in claim 3, wherein the honeycomb through holes (25) are opened in a direction perpendicular to the stair tread (12).

5. An integrated zigzag splicing assembled stair step according to claim 3, characterized in that the rectangular glue groove (23) transversely penetrates the support plate (21) and the rectangular glue groove (23) is parallel to the stair tread (12).

6. An integrated Z-shaped plug-in assembled stair step as claimed in claim 3, wherein at least one of the rectangular glue grooves (23) is provided, and the rectangular glue grooves (23) are equally distributed at the bottom of the supporting plate (21).

7. An integrated Z-shaped plug-in assembled stair step as claimed in claim 3, wherein the rectangular glue groove (23) is provided with at least one layer of filter screen (27) at the notch.

8. An integrated Z-shaped plug-in assembled stair step as claimed in claim 1, wherein one end of the connecting lug (22) is provided with a stop block (28) for stopping the lateral movement of the stair riser (3).

9. An integrated Z-shaped plug-in assembled stair step as claimed in claim 8, wherein the stair riser (3) is provided with a limiting groove (29) adapted to the limiting block (28).

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