CN220267147U - Circle center positioning structure for arc-shaped stairs - Google Patents

Circle center positioning structure for arc-shaped stairs Download PDF

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Publication number
CN220267147U
CN220267147U CN202321644787.6U CN202321644787U CN220267147U CN 220267147 U CN220267147 U CN 220267147U CN 202321644787 U CN202321644787 U CN 202321644787U CN 220267147 U CN220267147 U CN 220267147U
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China
Prior art keywords
center positioning
circle center
positioning rod
rod
marking
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CN202321644787.6U
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Chinese (zh)
Inventor
徐利东
陈维坚
孔令灿
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Guangdong Jinyitao Trading Co ltd
Guangdong Kito Ceramics Group Co ltd
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Guangdong Jinyitao Trading Co ltd
Guangdong Kito Ceramics Group Co ltd
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Priority to CN202321644787.6U priority Critical patent/CN220267147U/en
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Abstract

The utility model relates to the technical field of building construction and discloses a circle center positioning structure for an arc-shaped stair, which is characterized by comprising a base and a circle center positioning rod; the base can be fixedly connected to the external corners of the arc stair steps, the base comprises a magnetic plate, the magnetic plate is provided with a positioning rod connecting surface, when the base is fixed to the external corners, the magnetic plate is at least partially paved on the pedals of the steps, and the positioning rod connecting surface faces upwards; one end of the circle center positioning rod is a fixed end, a magnet is fixedly arranged on the peripheral wall of the circle center positioning rod, the magnet is close to the fixed end, and the circle center positioning rod can be arranged on the connecting surface of the positioning rod through the magnet. The beneficial effects are that: the time for adjusting the circle center positioning rod is shortened, the process for determining the circle center position of the arc-shaped stair is simplified, the adjusting amplitude is easy to control, the efficiency for determining the circle center position of the arc-shaped stair is improved, and the construction quality and the construction efficiency are improved.

Description

Circle center positioning structure for arc-shaped stairs
Technical Field
The utility model relates to the technical field of building construction, in particular to a circle center positioning structure for an arc-shaped stair.
Background
After the arc-shaped stairs are built, decoration is completed. In the decoration process, constructors need to reconfirm the circle center of the arc-shaped stair, and then a datum line is vertically arranged at the circle center and used as a datum line for decoration construction.
When building the stair, the width, length and other actual parameters of each step of the stair and the standard parameters of the construction requirement have certain differences, so before the decoration construction is started, constructors need to utilize the circle center positioning rod to redetermine the circle center position of the arc-shaped stair, and the general process is as follows: firstly, setting a base at the external corner of the pedal, and fixedly connecting a circle center positioning rod to the base in an adjustable way; then the circle center positioning rod extends out along the edge of the external corner and towards the inner side of the arc-shaped stair, and the circle center positioning rods are arranged on different steps, so that projections of a plurality of positioning rods on the ground are intersected; and finally, observing the right upper part of the stairs by constructors, and finding out the most intersected point of the positioning rods as a reference circle center of the decoration construction.
However, since the actual parameters and the standard parameters have a certain gap after the building of the stair is completed, the extension line of the edge of the external angle of some steps extending to the inner side of the arc-shaped stair is far away from the circle center. At this time, the position of the circle center positioning rod needs to be properly adjusted, and the circle center positioning rod needs to be observed once again after being adjusted until the circle center position can be determined. However, the existing circle center positioning rod is generally installed on the base through a screw, the process is complicated when the position is adjusted, the time is long, and the circle center positioning rod is easy to displace by a large extent, so that the efficiency of determining the circle center position of the arc-shaped stair is influenced, and the construction quality and the construction efficiency are influenced.
Disclosure of Invention
The utility model mainly aims to provide a circle center positioning structure for an arc-shaped stair, and aims to solve the technical problem that a circle center positioning rod is inconvenient to adjust in the prior art.
In order to achieve the above purpose, the present utility model provides a center positioning structure for an arc-shaped stair, which is characterized by comprising a base and a center positioning rod; the base can be fixedly connected to the external corners of the arc stair steps, the base comprises a magnetic plate, the magnetic plate is provided with a positioning rod connecting surface, when the base is fixed to the external corners, the magnetic plate is at least partially paved on the pedals of the steps, and the positioning rod connecting surface faces upwards; one end of the circle center positioning rod is a fixed end, a magnet is fixedly arranged on the peripheral wall of the circle center positioning rod, the magnet is close to the fixed end, and the circle center positioning rod can be arranged on the connecting surface of the positioning rod through the magnet.
The beneficial effects of the utility model are as follows: because the circle center locating rod is arranged on the connecting surface of the locating rod through the magnet, when the position of the circle center locating rod needs to be adjusted, the position of the circle center locating rod can be adjusted only by poking the circle center locating rod, the time for adjusting the circle center locating rod is shortened, the process for determining the circle center position of the arc-shaped stair is facilitated to be simplified, the adjusting amplitude is easy to control, the efficiency for determining the circle center position of the arc-shaped stair is facilitated to be improved, and the construction quality and the construction efficiency are improved.
Preferably, the magnet comprises two magnet particles arranged on the peripheral wall of the circle center positioning rod, and the two magnet particles are distributed along the axis direction of the circle center positioning rod.
Preferably, the base further comprises a first fixing plate and a second fixing plate which are perpendicular to each other, and fixing holes for fixing the base on the steps are formed in the first fixing plate and/or the second fixing plate.
Preferably, the first fixed plate is a magnetic plate, one side of the second fixed plate is fixedly connected to the magnetic plate, and the magnetic plate and the second fixed plate are arranged in a T shape, so that: when the base is fixed on the external corner, one part of the magnetic plate is flatly paved on the pedal, and the other part extends along the width direction of the pedal and protrudes out of the pedal.
Preferably, the circle center positioning rod is a telescopic rod.
Preferably, one end of the circle center positioning rod far away from the fixed end is a positioning end, a marking hook rod is arranged on the positioning end, one end of the marking hook rod is arranged on the positioning end, the other end extends towards the direction close to the fixed end and gradually moves away from the circle center positioning rod, and the marking hook is formed by the marking hook rod and the part of the circle center positioning rod close to the positioning end. After the datum line is set, the datum line can be hooked by a scribing hook, and then an arc line serving as a machining datum line is scribed on the stair.
Preferably, the fixed end is provided with a scribing pen placing groove, the scribing pen placing groove can be used for placing a scribing pen, and the extending direction of the scribing pen placing groove is perpendicular to the plane where the axis of the circle center positioning rod and the axis of the scribing hook rod are located. When scribing, the scribing pen can be placed in the scribing pen placing groove, and the relative position of the scribing pen and the circle center positioning rod can be kept stable.
Preferably, the positioning end is provided with a top wire groove, the top wire groove can be used for the datum line to pass through, and the extending direction of the top wire groove is perpendicular to the plane where the axis of the circle center positioning rod and the axis of the marking hook rod are located.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a center positioning structure in an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a center positioning rod according to an embodiment of the present utility model;
FIG. 3 is a partial enlarged view at B in FIG. 2;
FIG. 4 is a schematic view of a center positioning structure disposed on an arc-shaped stair according to an embodiment of the present utility model;
fig. 5 is a partial enlarged view at a in fig. 4.
In the accompanying drawings: the device comprises a 1-base, a 11-magnetic plate, a 111-positioning rod connecting surface, a 12-first fixing plate, a 13-second fixing plate, a 14-fixing hole, a 2-circle center positioning rod, a 21-fixing end, a 211-scribing pen placing groove, a 22-positioning end, a 221-scribing hook rod, a 222-jacking groove, 23-magnet particles, 10-steps, 101-pedals, 102-skirting boards, 103-external angles and 20-datum lines.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.
In addition, if a directional instruction such as up, down, left, right, front, rear, etc. is referred to in the embodiment of the present utility model, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
As shown in fig. 1 to 5, a center positioning structure for an arc-shaped stair is characterized by comprising a base 1 and a center positioning rod 2; the base 1 can be fixedly connected to the external corner 103 of the arc stair tread 10, the base 1 comprises a magnetic plate 11, the magnetic plate 11 is provided with a positioning rod connecting surface 111, when the base 1 is fixed on the external corner 103, the magnetic plate 11 is at least partially paved on the pedal 101 of the tread 10, and the positioning rod connecting surface 111 faces upwards; one end of the circle center positioning rod 2 is a fixed end 21, a magnet is fixedly arranged on the peripheral wall of the circle center positioning rod 2, the magnet is close to the fixed end 21, and the circle center positioning rod 2 can be arranged on the positioning rod connecting surface 111 through the magnet.
Because the circle center locating rod 2 is arranged on the locating rod connecting surface 111 through the magnet, when the position of the circle center locating rod 2 needs to be adjusted, the position of the circle center locating rod 2 can be adjusted only by stirring the circle center locating rod 2, the time for adjusting the circle center locating rod 2 is shortened, the process for determining the circle center position of the arc-shaped stair is simplified, the adjusting amplitude is easy to control, the efficiency for determining the circle center position of the arc-shaped stair is improved, and the construction quality and the construction efficiency are improved.
When the circle center positioning rod 2 is adjusted, a constructor dials the circle center positioning rod 2, so that the circle center positioning rod 2 moves on the positioning rod connecting surface 111 to adjust the position, and the movement is mainly along the width direction of the pedal 101, so that the projection of the circle center positioning rod 2 on the ground moves.
In some embodiments, the magnet includes two magnet particles 23 disposed on the outer peripheral wall of the center positioning rod 2, and the two magnet particles 23 are arranged along the axial direction of the center positioning rod 2.
The magnet is arranged on the circle center positioning rod 2 in the form of the magnet particles 23, and constructors do not need to use too much force when stirring the circle center positioning rod 2, so that the possibility that the constructors seriously deviate the circle center positioning rod 2 due to excessive force is reduced, and the efficiency and quality of adjusting the circle center positioning rod 2 are improved further. And the two magnet particles 23 are distributed along the axial direction of the circle center positioning rod 2, so that the circle center positioning rod 2 is not easy to rotate and has stable position when being arranged on the magnetic plate 11.
In some embodiments, the base 1 further includes a first fixing plate 12 and a second fixing plate 13 perpendicular to each other, and fixing holes 14 for fixing the base 1 to the step 10 are formed in the first fixing plate 12 and/or the second fixing plate 13.
Specifically, the first fixing plate 12 and the second fixing plate 13 are each provided with three fixing holes 14, when the base 1 is fixed on the external corner 103, the first fixing plate 12 is fixed on the pedal 101 through the three fixing holes 14 provided thereon, and the three fixing holes 14 are arranged along the length direction of the pedal 101; the second fixing plate 13 is fixed to the kick plate 102 through three fixing holes 14 provided thereon, and the three fixing holes 14 are arranged along the length direction of the kick plate 102.
In some embodiments, the first fixing plate 12 is a magnetic plate 11, one side of the second fixing plate 13 is fixedly connected to the magnetic plate 11, and the magnetic plate 11 and the second fixing plate 13 are arranged in a T-shape, so that: when the base 1 is fixed to the external corner 103, a part of the magnetic plate 11 is laid flat on the pedal 101, and the other part extends in the width direction of the pedal 101 and protrudes from the pedal 101.
Generally, when the base 1 is placed on the external corner 103 of the stair tread 10, the tread 101 and the kick plate 102 on the tread 10 are both in a state where no tile has been laid. After the tile is applied to the skirt 102, the tile on the skirt 102 can be considered as a part of the skirt 102, and the edge of the skirt 102 expands outwards, i.e. the position of the external corner 103 moves outwards. The magnetic plate 11 and the second fixing plate 13 are arranged in a T shape, so that when the base 1 is fixed on the external corner 103, one part of the magnetic plate 11 is paved on the pedal 101, the other part of the magnetic plate extends along the width direction of the pedal 101 and protrudes out of the pedal 101, and the circle center positioning rod 2 can be arranged on the part of the magnetic plate 11 protruding out of the pedal 101, so that the position of the circle center positioning rod 2 is closer to the edge position of the external corner 103 after the tile is paved, and the construction quality is improved.
Specifically, the magnetic plate 11 and the second fixing plate 13 are both iron plates.
In some specific embodiments, the circle center positioning rod 2 is a telescopic rod, so that the circular positioning rod 2 is arranged to be multiple different lengths, different construction environments are adapted, and meanwhile, the telescopic rod is convenient to carry.
In some embodiments, one end of the center positioning rod 2 away from the fixed end 21 is a positioning end 22, a scribing hook rod 221 is arranged on the positioning end 22, one end of the scribing hook rod 221 is arranged on the positioning end 22, the other end extends towards the direction close to the fixed end 21 and gradually moves away from the center positioning rod 2, and the scribing hook rod 221 and a part of the center positioning rod 2 close to the positioning end 22 form a scribing hook. After the datum line 20 is set, the datum line 20 may be hooked by a scribing hook, and then an arc line as a machining datum may be scribed on the stairs.
The marking hooks are arranged, so that the circle center positioning rod 2 plays a role of compasses, an arc line is marked on the step 10, and then construction projects such as guardrails are installed later by constructors with the marked arc line as a reference.
In other embodiments, the positioning end 22 is provided with a top line groove 222, the top line groove 222 can be used for the reference line 20 to pass through, and the extending direction of the top line groove 222 is perpendicular to the plane of the axis of the circle center positioning rod 2 and the axis of the scribing hook rod 221. In scribing, the line-pushing groove 222 may be pushed against the reference line 20, and then the circle center positioning rod 2 may be rotated to scribe.
In some embodiments, the fixing end 21 is provided with a scribing pen placing groove 211, the scribing pen placing groove 211 can be used for placing a scribing pen, and the extending direction of the scribing pen placing groove 211 is perpendicular to the plane of the axis of the circle center positioning rod 2 and the axis of the scribing hook rod 221. In scribing, the scribing pen can be placed in the scribing pen placing groove 211, and the relative position of the scribing pen and the circle center positioning rod 2 can be kept stable.
When scribing, constructor will scribe the pencil in the pencil standing groove 211 of marking off, and make the axis of pencil and pencil standing groove 211 of marking off extend direction parallel, then constructor presses the pencil of marking off, can scribe, and pencil of marking off is difficult for dropping when scribing, is favorable to improving the efficiency of marking off.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (8)

1. A center positioning structure for an arcuate stair, comprising:
the base (1) can be fixedly connected to the external corner (103) of the arc stair tread (10), the base (1) comprises a magnetic plate (11), the magnetic plate (11) is provided with a positioning rod connecting surface (111), and when the base (1) is fixed to the external corner (103), the magnetic plate (11) is at least partially paved on the pedal (101) of the tread (10), and the positioning rod connecting surface (111) faces upwards;
the circle center positioning rod (2), the one end of circle center positioning rod (2) is stiff end (21), fixedly be provided with magnet on the periphery wall of circle center positioning rod (2), magnet is close to stiff end (21), circle center positioning rod (2) accessible magnet is located on positioning rod junction surface (111).
2. The center positioning structure for an arcuate stair according to claim 1, wherein: the magnet comprises two magnet particles (23) arranged on the peripheral wall of the circle center positioning rod (2), and the two magnet particles (23) are distributed along the axial direction of the circle center positioning rod (2).
3. The center positioning structure for an arcuate stair according to claim 1, wherein: the base (1) further comprises a first fixing plate (12) and a second fixing plate (13) which are perpendicular to each other, and fixing holes (14) used for fixing the base (1) on the step (10) are formed in the first fixing plate (12) and/or the second fixing plate (13).
4. A center positioning structure for an arcuate stair according to claim 3, wherein: the first fixed plate (12) is the magnetic plate (11), one side of the second fixed plate (13) is fixedly connected to the magnetic plate (11), and the magnetic plate (11) and the second fixed plate (13) are arranged in a T-shaped mode, so that: when the base (1) is fixed on the external corner (103), one part of the magnetic plate (11) is flatly paved on the pedal (101), and the other part of the magnetic plate extends along the width direction of the pedal (101) and protrudes out of the pedal (101).
5. The center positioning structure for an arcuate stair according to claim 1, wherein: the circle center positioning rod (2) is a telescopic rod.
6. The center positioning structure for an arcuate stair according to claim 1, wherein: the utility model discloses a marking off hook, including fixing end (21), centre of a circle locating lever (2), locating end (22), be equipped with marking off hooked rod (221) on locating end (22), marking off hooked rod (221) one end is located on locating end (22), the other end is towards being close to the direction of fixing end (21) extends and is kept away from gradually centre of a circle locating lever (2), marking off hooked rod (221) with centre of a circle locating lever (2) is close to the part of locating end (22) constitutes the marking off hook.
7. The center positioning structure for an arcuate stair according to claim 6, wherein: be equipped with marking off pen standing groove (211) on stiff end (21), marking off pen standing groove (211) can be used to place the marking off pen, the extending direction of marking off pen standing groove (211) is perpendicular to centre of a circle locating lever (2) axis with marking off the plane that hook bar (221) axis is located.
8. The center positioning structure for an arcuate stair according to claim 6, wherein: the positioning end (22) is provided with a top line groove (222), the top line groove (222) can be used for a datum line (20) to pass through, and the extending direction of the top line groove (222) is perpendicular to the planes of the axis of the circle center positioning rod (2) and the axis of the scribing hook rod (221).
CN202321644787.6U 2023-06-26 2023-06-26 Circle center positioning structure for arc-shaped stairs Active CN220267147U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321644787.6U CN220267147U (en) 2023-06-26 2023-06-26 Circle center positioning structure for arc-shaped stairs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321644787.6U CN220267147U (en) 2023-06-26 2023-06-26 Circle center positioning structure for arc-shaped stairs

Publications (1)

Publication Number Publication Date
CN220267147U true CN220267147U (en) 2023-12-29

Family

ID=89316382

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321644787.6U Active CN220267147U (en) 2023-06-26 2023-06-26 Circle center positioning structure for arc-shaped stairs

Country Status (1)

Country Link
CN (1) CN220267147U (en)

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