CN210288929U - Automatic combination formula prefabricated staircase of locking - Google Patents
Automatic combination formula prefabricated staircase of locking Download PDFInfo
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- CN210288929U CN210288929U CN201920768470.0U CN201920768470U CN210288929U CN 210288929 U CN210288929 U CN 210288929U CN 201920768470 U CN201920768470 U CN 201920768470U CN 210288929 U CN210288929 U CN 210288929U
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- marking time
- locking
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- 238000009434 installation Methods 0.000 claims abstract description 12
- 241000561734 Celosia cristata Species 0.000 claims abstract description 5
- 210000001520 comb Anatomy 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
The utility model relates to a building stair technical field, concretely relates to automatic combination formula prefabricated staircase of locking, including prefabricated bottom plate and a plurality of the piece of marking time of setting on prefabricated bottom plate, evenly be provided with a plurality of screens grooves on the prefabricated bottom plate, the piece of marking time is including marking time a body and the fixed screens key that sets up in the piece body lower part of marking time, the screens key and the installation of a plurality of screens groove matching on the piece of marking time, be equipped with the lightening hole on the piece body of marking time, the length of prefabricated bottom plate is evenly set up along a plurality of screens grooves, a plurality of screens grooves communicate each other and form cockscomb structure screens gibbosity screens groove strip, the sawtooth of screens groove strip matches with the screens key of a plurality of pieces of marking time respectively and corresponds. The utility model discloses an automatic modular prefabricated staircase of locking utilizes screens key and the screens groove that corresponds each other and match to realize the quick installation of prefabricated staircase, realizes marking time the piece under the effect of trampling and the automatic locking of prefabricated staircase marking time.
Description
Technical Field
The utility model relates to a building stair technical field especially relates to an automatic combination formula prefabricated staircase of locking.
Background
In the construction of the stairs in the building field, the stairs in the building mainly adopt a cast-in-place or steel structure mode, the construction mode of the cast-in-place stairs has large consumption of resources such as templates, scaffolds, energy, manpower and the like, the quality is good and uneven, the construction progress is slow, and the construction period is long; the stair technology of steel construction is mature but produces the noise great in the use, generally is used in industrial buildings such as factory building, and civil construction relates to less, and the cost will be higher than concrete stair simultaneously, consequently, prefabricated stair have obtained extensive application in the assembly type structure field because of its standardization level is high, the production degree of difficulty is low, construction simple to operate.
The scissors ladder can also be called as a folding ladder, a cross ladder or a set ladder, a pair of mutually overlapped and non-communicated two ladders is arranged in the same staircase, a turn is arranged in the middle of the ladder between the upper layer and the lower layer, and the ladders between the ladders of the three layers are like a pair of scissors, so that the scissors ladder is a ladder with wider application in the building engineering. In the process of adopting the building scissor ladder of the prefabricated ladder, the scissor ladder has large span and large thickness of the ladder plate, so that the weight of the adopted prefabricated plate type stair component is overlarge, the material consumption is increased, and the manufacturing and transportation cost of the component is increased; and the too big tower crane model of looks adaptation in the engineering construction still needs to be chooseed for use to prefabricated stair weight is great demand, arouses tower crane cost to increase. In addition, some modular prefabricated staircases among the prior art adopt the piece of marking time and prefabricated staircase bottom plate to utilize connection methods such as some fasteners fastening piece and prefabricated bottom plate, but in long-term use, the fastener is connected with prefabricated bottom plate easily and is become flexible, brings the potential safety hazard for the use of prefabricated staircase.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing an automatic combination formula prefabricated staircase of locking, the utility model discloses a stair can have avoided the too big problem that arouses of step preparation and cost of transportation increase of whole prefabricated staircase weight, and mark time the piece and can be automatic locking under the effect of stepping on with prefabricated bottom plate, have avoided the not hard up potential safety hazard that arouses of prefabricated staircase structure.
Based on this, the utility model provides an automatic combination formula prefabricated staircase of locking, including prefabricated bottom plate and a plurality of the piece of marking time of setting on prefabricated bottom plate, evenly be provided with a plurality of screens grooves on the prefabricated bottom plate, the piece of marking time is including marking time a body and the fixed screens key that sets up in the piece body lower part of marking time, the screens key and the installation of a plurality of screens groove matching on the piece of marking time, be equipped with the lightening hole on the piece body of marking time, a plurality of screens grooves evenly set up along the length of prefabricated bottom plate, a plurality of screens grooves communicate the screens groove strip that forms the cockscomb structure each other, the sawtooth of screens groove strip matches with the screens key of a plurality of pieces of marking time respectively and corresponds.
Has the advantages that: the utility model discloses an automatic combination formula prefabricated staircase that locks is equipped with a plurality of screens grooves on the prefabricated bottom plate of slope, sets up the screens key on marking time the piece, screens key direct insertion screens inslot fixed card stop when installing, and a plurality of mark time pieces of evenly setting form the stair that are used for walking, in the utility model discloses, the weight of each mark time piece is limited, has been convenient for mark time the transportation and the installation of piece, has avoided the too big problem of single whole prefabricated staircase weight; because the screens key sets up in the bottom of the piece of marking time, reserve on the body of the piece of marking time and have the lightening hole, can reduce the weight of the piece of marking time of single like this, conveniently mark time the transportation of piece, and after the piece of marking time is installed, can reduce the weight of whole stair, avoided the transportation that the stair overweight arouses, the safety problem in installation and the stair use, and connection structure is simple, transportation, hoist and mount construction convenience have saved engineering cost.
In addition on the one hand, the utility model discloses a combination formula precast stair's screens groove communicates the screens groove strip that forms the cockscomb structure in proper order, and the shape upper portion width of every sawtooth of screens groove strip is greater than a sawtooth of lower part width as the screens groove like this, and the screens key matches with the shape in screens groove, and a plurality of blocks of marking time paste tight installation in proper order when the piece is marked time in the installation, and the piece of marking time receives people's decurrent tread force, and the lateral wall extrusion screens groove of screens key makes screens key and screens groove locking when the screens key receives decurrent tread force.
Preferably, the plurality of clamping groove strips are parallel to each other, and the plurality of clamping keys on each step block correspond to the plurality of sawteeth on the plurality of clamping groove strips.
Preferably, the number of the blocking groove strips is two, and the number of the blocking keys on each step block is two correspondingly.
Preferably, the capture key is a trapezoidal structure with the upper width larger than the lower width.
As the preferred scheme, the stepping block body comprises a kicking surface, a stepping surface and a bottom surface connected with the kicking surface and the stepping surface, the clamping key is fixedly arranged on the bottom surface, and the included angle between the kicking surface and the stepping surface is a right angle.
Preferably, the tread is provided with an anti-skid groove.
Preferably, the anti-slip grooves are straight grooves or decorative grooves with patterns extending along the transverse direction of the prefabricated staircase.
Drawings
Fig. 1 is a schematic structural view of the automatic locking combined prefabricated staircase of the present invention;
fig. 2 is a schematic structural view of a single clamping groove strip of the prefabricated bottom plate of the automatic locking combined prefabricated staircase of the present invention;
fig. 3 is a schematic structural view of two clamping groove strips of the prefabricated bottom plate of the automatic locking combined prefabricated staircase of the present invention;
FIG. 4 is a schematic structural view of the tread blocks of the self-locking modular prefabricated staircase according to the present invention;
FIG. 5 is a schematic structural view of a capture key on the tread block of FIG. 4;
fig. 6 is a schematic structural view of the automatic locking combined prefabricated staircase of the present invention, wherein two position-locking keys are provided on the tread blocks.
10, prefabricating a bottom plate; 110. a clamping groove; 20. a stepping block; 210. a card position key; 220. lightening holes; 230. a step surface; 240. and (4) an anti-slip groove.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
Fig. 1-6 show a preferred embodiment of an automatic locking combined prefabricated staircase, which includes a prefabricated bottom plate 10 and a plurality of tread blocks 20 uniformly disposed on the prefabricated bottom plate 10, the prefabricated bottom plate 10 includes a plurality of clamping grooves 110 disposed on the prefabricated bottom plate 10, specifically, the tread blocks 20 include tread block bodies and clamping keys 210 fixedly disposed on the lower portions of the tread block bodies, each tread block body includes a tread surface, a tread surface 230 and a bottom surface connecting the tread surface and the tread surface 230, the clamping keys 210 are fixedly disposed on the bottom surface, a groove is reserved on the bottom surface, the clamping keys 210 are mounted in the groove, and the clamping keys 210 are mounted in matching with the clamping grooves 110; be equipped with the lightening hole on the piece body of marking time, lightening hole 220 can be circular, rectangle, trapezoidal, lightening hole 220 is along the horizontal extension of prefabricated stair, lightening hole 220 can be hollow hole or hollow notch, perhaps lightening hole 220 also can be established to subtract heavy recess for alleviate the weight of piece 20 of marking time, the removal and the installation of piece 20 of marking time have been made things convenient for, and, can alleviate the weight of whole stair simultaneously after piece 20 of marking time is installed on prefabricated stair 10, on the basis of satisfying prefabricated stair 10 operation requirement, alleviate the weight of prefabricated stair 10, avoid the potential safety hazard that prefabricated stair 10 overweight arouses.
In this embodiment, a plurality of clamping grooves are uniformly arranged along the length of the prefabricated bottom plate, specifically, as shown in fig. 1, the clamping key 110 is a trapezoidal structure with an upper width larger than a lower width, the clamping grooves 110 are mutually communicated to form a serrated clamping groove strip, and the serrations of the clamping groove strip are respectively matched and corresponding to the clamping keys 210 of the step blocks 20.
The included angle between the kick surface and the tread surface 230 is a right angle, and as shown in fig. 4, the structure of the kick surface is a right angle with the tread surface 230.
The utility model discloses an in other embodiments, screens groove strip is many that are parallel to each other, and the sawtooth on every card position key on the piece of marking time and many screens groove strips is corresponding to be equipped with a plurality ofly, and two screens groove strips are used for the great prefabricated staircase's of stair width use.
The utility model discloses an in other embodiments, the quantity of screens groove can be many, in same sharp extending direction, sets up a plurality of screens groove that separate each other, and the piece of marking time is also corresponding sets up to a plurality ofly.
In which, for the convenience of use, the friction force is increased to increase the walking stability, as shown in fig. 4, the tread 230 is provided with anti-slip grooves 240, the anti-slip grooves are straight grooves extending along the transverse direction of the prefabricated staircase or decorative grooves with patterns, the anti-slip grooves 250 can be triangular, circular, rectangular or trapezoidal, the anti-slip grooves 240 can also be grooves with patterns or decorative pictures, and the anti-slip grooves 240 are used for preventing people from slipping and being beautiful when walking.
The utility model discloses an automatic locking combination formula prefabricated staircase is equipped with a plurality of screens groove 110 on the prefabricated bottom plate 10 of slope, sets up screens key 210 on mark time piece 20, screens key 210 directly inserts the fixed card in screens groove 110 when installing, and a plurality of mark time pieces 20 of evenly setting form the stair that are used for walking, in the utility model discloses in, each mark time piece 20 weight is limited, has made things convenient for the transportation and the installation of mark time piece 20, has avoided the too big problem of single whole prefabricated staircase weight; owing to set up in the bottom of the piece of marking time 20 screens key 210, reserve on the body of the piece of marking time 20 and have the lightening hole, can reduce the weight of single piece of marking time 20 like this, conveniently mark time the transportation of piece 20, and install after the piece 20 of marking time, can reduce the weight of whole stair, avoided the transportation that the stair overweight arouses, the safety problem in installation and the stair use, and the connection structure is simple, transportation, hoist and mount construction convenience, saved engineering cost.
In addition, on the one hand, the utility model discloses a combination formula prefabricated staircase's screens groove 110 communicates the screens groove strip that forms the cockscomb structure in proper order, the shape of every sawtooth of screens groove strip is gone a sawtooth that the upper portion width is greater than the lower part width and is regarded as screens groove 110 like this, screens key 210 matches with the shape of screens groove 110, a plurality of mark time pieces 20 paste the installation in proper order when installing mark time piece 20, mark time piece 20 receives people's decurrent tread force, screens key 210 receives decurrent tread force and makes screens groove 110 make screens key 210 and screens groove 110 locking of lateral wall extrusion of screens key 210.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides an automatic combination formula prefabricated staircase of locking, includes prefabricated bottom plate and a plurality of the piece of marking time of setting on prefabricated bottom plate, its characterized in that, evenly be provided with a plurality of screens grooves on the prefabricated bottom plate, the piece of marking time is including marking time a body and the fixed screens key that sets up in the piece body lower part of marking time, the screens key and the installation of a plurality of screens groove matching on the piece of marking time, be equipped with the lightening hole on the piece body of marking time, a plurality of screens grooves evenly set up along the length of prefabricated bottom plate, a plurality of screens grooves communicate each other and form the screens groove strip of cockscomb structure, the sawtooth of screens groove strip matches with the screens key of a plurality of pieces of marking time respectively and corresponds.
2. The self-locking modular prefabricated staircase according to claim 1, wherein said locking groove is a plurality of parallel locking grooves, and a plurality of locking keys are provided on each step block corresponding to the saw teeth on the plurality of locking grooves.
3. The automatically-locked modular prefabricated staircase according to claim 2, wherein said two locking grooves are provided, and two locking keys are provided on each step block.
4. The self-locking, modular, prefabricated staircase according to any of claims 1-3, characterised in that the catch key is of trapezoidal configuration with an upper width greater than a lower width.
5. The automatically-locked combined type prefabricated staircase according to claim 1, wherein the tread block body comprises a kick surface, a tread surface and a bottom surface for connecting the kick surface and the tread surface, the clamping key is fixedly arranged on the bottom surface, and the included angle between the kick surface and the tread surface is a right angle.
6. The self-locking modular prefabricated staircase according to claim 5, wherein said tread surface is provided with non-slip grooves.
7. The self-locking modular pre-fabricated staircase according to claim 6, wherein the anti-slip grooves are straight grooves or decorative grooves with patterns extending in the transverse direction of the pre-fabricated staircase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920768470.0U CN210288929U (en) | 2019-05-24 | 2019-05-24 | Automatic combination formula prefabricated staircase of locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920768470.0U CN210288929U (en) | 2019-05-24 | 2019-05-24 | Automatic combination formula prefabricated staircase of locking |
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| Publication Number | Publication Date |
|---|---|
| CN210288929U true CN210288929U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920768470.0U Expired - Fee Related CN210288929U (en) | 2019-05-24 | 2019-05-24 | Automatic combination formula prefabricated staircase of locking |
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| Country | Link |
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| CN (1) | CN210288929U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562081A (en) * | 2022-03-16 | 2022-05-31 | 四川华远建设工程有限公司 | Separated stair adopting prefabricated step and installation method thereof |
-
2019
- 2019-05-24 CN CN201920768470.0U patent/CN210288929U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562081A (en) * | 2022-03-16 | 2022-05-31 | 四川华远建设工程有限公司 | Separated stair adopting prefabricated step and installation method thereof |
| CN114562081B (en) * | 2022-03-16 | 2024-04-30 | 四川华远建设工程有限公司 | Separated stair adopting prefabricated steps and installation method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 |