CN217580291U - Splicing type tubular building block capable of being connected through fasteners and splicing type pipe gallery - Google Patents

Splicing type tubular building block capable of being connected through fasteners and splicing type pipe gallery Download PDF

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Publication number
CN217580291U
CN217580291U CN202220463568.7U CN202220463568U CN217580291U CN 217580291 U CN217580291 U CN 217580291U CN 202220463568 U CN202220463568 U CN 202220463568U CN 217580291 U CN217580291 U CN 217580291U
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building block
tubular
block body
avoiding
tubular building
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邹瑾
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Xi'an Jingxingxiang Environment Technology Co ltd
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Xi'an Jingxingxiang Environment Technology Co ltd
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Abstract

A splicing type tubular building block capable of being connected through a fastener and a splicing type pipe gallery are disclosed, wherein the building block comprises a first tubular building block body, and an axial avoidance bulge or an avoidance notch is arranged on the inner wall or the outer wall of the first tubular building block body and is used for providing a construction space for the through hole of the fastener; the body is provided with a first fastening hole at a position symmetrical to the center of the avoidance gap and/or at a position corresponding to the avoidance gap and/or on the avoidance bulge. The fastener is arranged in the first fastening hole in a penetrating mode so that the first tubular building block bodies are axially spliced into a pipe gallery. The utility model provides a construction cost that current piping lane exists is high, the construction cycle is long, easily cause the leakage scheduling problem, its concrete tubulose building block is responsible for whole resistance to compression, and the fastener is responsible for the axis tensile, and the reinforcing bar in the reinforcement hole is responsible for roof and lateral wall resistance to compression, and the external pressure of adaptable various application environment can realize local change, can shorten construction cycle by a wide margin, simple process, safe and reliable, and commonality and interchangeability are good.

Description

Splicing type tubular building block capable of being connected by fasteners and splicing type pipe gallery
Technical Field
The utility model relates to a concatenation formula tubulose building block and concatenation formula piping lane that is used for building underground pipe gallery, concretely relates to available fastener is connected.
Background
Current piping lane mainly includes cable piping lane and escape canal, generally adopts on-spot brick or concrete placement to form. However, the structure has the problems of high construction cost, long construction period, difficult guarantee of construction quality and the like. Still another kind of piping lane is that it forms to adopt prefabricated pipe end to cup joint, and this kind of structure and construction mode do not link firmly between two adjacent prefabricated pipes and cause the leakage, secondary pollution even, perhaps leads to the body to shift the scheduling problem because of differential settlement between adjacent two, simultaneously, because the end cup joints, can't carry out local change.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is in order to solve that construction cost height, construction cycle length, construction quality that prior art piping lane exists are difficult to guarantee, easily cause the leakage scheduling problem, and provide concatenation formula tubulose building block and concatenation formula piping lane that available fastener is connected.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the first splicing type tubular building block capable of being connected by a fastener is characterized by comprising a first tubular building block body; at least one axial avoiding structure is arranged on the inner wall or the outer wall of the first tubular building block body; the axial avoidance structure is an avoidance bulge or an avoidance notch which is axially arranged in full size, or the axial avoidance structure is an avoidance bulge or an avoidance notch which is axially arranged in part; the avoidance bulge or the avoidance notch is used for providing a construction space for the through hole of the fastener; at least one group of first fastening holes are axially formed in the first tubular building block body; the first fastening holes are arranged at the positions which are symmetrical with the center of the avoidance gap and/or the positions which are axially symmetrical with the avoidance gap and/or the positions which correspond to the avoidance gap and/or the avoidance bulge; the number of the first fastening holes in each group is one, two or more.
In order to strengthen the strength of the building block or be used as a sewer and a drainage ditch, the building block also comprises at least one reinforcing hole and/or at least one water permeable hole; the reinforcing holes are arranged on the top wall and/or the side wall of the first tubular building block body; the reinforcing hole is perpendicular to the first fastening hole and does not intersect with the first fastening hole; the water permeable holes are arranged on the top wall of the first tubular building block body or the upper half part of the side wall.
Considering various connection modes, the number of the axial avoiding structures is one, and the axial avoiding structures are arranged in the middle of one corner or one side wall of the first tubular building block body; or the number of the axial avoiding structures is two, one of the axial avoiding structures is an avoiding protrusion, the other axial avoiding structure is an avoiding notch, and the avoiding protrusion and the avoiding notch are arranged in a central symmetry manner or in an axial symmetry manner; or the number of the axial avoidance structures is four, two of the axial avoidance structures are avoidance bulges, the other two axial avoidance structures are avoidance gaps, and the avoidance bulges and the avoidance gaps are distributed in a staggered manner and are arranged in a centrosymmetric manner or in an axisymmetric manner; the outer profile of the cross section of the first tubular block body is circular, oval or polygonal, or the inner profile of the cross section of the first tubular block body is circular, oval or polygonal.
A splicing type pipe gallery is characterized by comprising a fastener and a plurality of first splicing type tubular building blocks; the fasteners penetrate through the first fastening holes so that the first tubular building block bodies are axially spliced into a pipe gallery.
In order to reduce the construction difficulty, the pipe gallery can also comprise a plurality of second tubular building block bodies; the cross-section outer contour or the cross-section inner contour of the second tubular building block body is the same as the corresponding contour of the first tubular building block body; the fastener penetrates through the first fastening hole so that the first tubular building block body and the second tubular building block body which are arranged in a staggered mode are axially spliced to form a pipe gallery.
Alternatively, the pipe gallery may further include a plurality of second tubular block bodies; the cross-section outer contour or the cross-section inner contour of the second tubular building block body is the same as that of the first tubular building block body; the second tubular building block body is provided with second fastening holes which correspond to the first fastening holes one by one; the fasteners penetrate through the first fastening holes and the second fastening holes so that the first tubular building block bodies and the second tubular building block bodies which are placed in a staggered mode are axially spliced to form a pipe gallery.
The first tubular block body and the second tubular block body in the pipe gallery further comprise at least one reinforcing hole and/or at least one water permeable hole; the reinforcing holes are formed in the top wall and/or the side wall of the first tubular block body or the top wall and/or the side wall of the first tubular block body and the second tubular block body; the reinforcing holes and the corresponding first fastening holes or second fastening holes are vertically arranged and do not intersect; the water permeable holes are formed in the top wall of the first tubular building block body or the second tubular building block body or the upper half part of the side wall; the reinforcing rod is arranged in the reinforcing hole in a penetrating mode.
In order to prevent leakage, the pipe gallery can further comprise a waterproof rubber gasket arranged between the adjacent first tubular building block bodies or between the adjacent first tubular building block bodies and the second tubular building block bodies; the fastener can be preferably a lacing wire or a screw rod.
Preferably, the first tubular building block body and the second tubular building block body are the same in structure and are placed in the same direction or in opposite directions during construction.
The second splicing type tubular building block which can be connected by a fastener is characterized by comprising a second tubular building block body; at least two axial avoiding structures are arranged on the inner wall or the outer wall of the second tubular building block body; the axial avoiding structure is an avoiding notch which is axially arranged in full size; the avoiding notch is used for providing a construction space for the through hole of the fastener.
The second building block may further comprise at least one reinforcing hole and/or at least one water permeable hole; the reinforcing holes are arranged on the top wall and/or the side wall of the second tubular building block body; the reinforcing holes and the second fastening holes are vertically arranged and do not intersect; the water permeable holes are arranged on the top wall of the second tubular building block body or the upper half part of the side wall.
The avoidance notches are arranged in a centrosymmetric manner or in an axisymmetric manner; the cross-section outer contour of the first tubular building block body is circular, oval or polygonal, or the cross-section inner contour of the first tubular building block body is circular, oval or polygonal.
The utility model has the advantages that:
1. the utility model discloses the tubular building block of concrete is responsible for whole resistance to compression, and the fastener is responsible for the axis tensile, the external pressure of adaptable various application environment.
2. The utility model discloses the preferred reinforcing bar of anchor strut in the reinforcement hole of concrete tubular building block is responsible for roof and lateral wall resistance to compression, can improve different application environment's compressive capacity.
3. The utility model discloses adopt the fastener to connect between adjacent building blocks, break down or damaged back when one of them building block, can lift corresponding fastener off to take out this building block, realize local change, reduce maintenance cycle, reduce cost of maintenance.
4. The utility model discloses a mode of factory construction, on-the-spot assembly, the construction method of relative on-the-spot pouring can shorten construction cycle by a wide margin, reduces construction cost.
5. The utility model has a single structure, and only one kind of building block can realize dislocation fastening splicing by overturning; or only two kinds of building blocks are used, and staggered fastening splicing can be realized without turning. The process is simple and the construction efficiency is high.
6. The utility model discloses be provided with waterproof rubber pad in concatenation department, realize compressing tightly of waterproof rubber pad fixed, safe and reliable prevents that piping lane or escape canal from leaking through the fastener simultaneously.
7. The avoiding structure of the utility model can be an inner avoiding structure or an outer avoiding structure, and can adapt to different application environments; wherein, dodge outward but furthest utilizes piping lane inner space, and dodge in and can make the piping lane outward appearance more pleasing to the eye, realize simultaneously carrying out the fastening construction in the piping lane after laying the piping lane earlier.
8. The utility model discloses directly set up the hole of permeating water on the roof or the lateral wall of tubulose building block, can be used for the escape canal construction, the commonality and the interchangeability of building block are good.
9. The utility model discloses the tubulose building block can be circular, oval or polygon, can adapt to different application demands and construction environment.
Drawings
Fig. 1 is a schematic structural view of a first tubular block of the present invention;
FIG. 2 is a schematic view of the tubular block of FIG. 1 in another orientation;
FIG. 3 is a schematic view of the tubular blocks of FIG. 1 sequentially inverted and sequentially axially spliced to form a tube lane;
FIG. 4 is a schematic structural view of a second tubular block of the present invention;
FIG. 5 is a schematic view of the tubular blocks of FIG. 4 sequentially inverted and sequentially axially spliced to form a tube lane;
FIG. 6 is a schematic structural view of a third tubular block of the present invention;
FIG. 7 is a schematic view of the tubular blocks of FIG. 6 sequentially inverted and sequentially axially spliced to form a tube lane;
FIG. 8 is a schematic structural view of a fourth tubular block of the present invention;
FIG. 9 is a schematic view of the tubular blocks of FIG. 8 sequentially axially spliced to form a tube lane;
fig. 10 is a schematic view of a fifth tubular building block and a pipe gallery with water permeable holes axially spliced in sequence;
fig. 11 is a schematic view of a sixth tubular block including the first and second tubular blocks and their staggered arrangement and sequential axial splicing to form a pipe gallery according to the present invention;
fig. 12 is a schematic view of a seventh tubular block and its sequential axial splicing to form a pipe gallery according to the present invention;
FIG. 13 is a schematic view of an eighth tubular block of the present invention and its sequential turning and sequential axial splicing to form a pipe gallery;
fig. 14 is a schematic view of a ninth tubular block of the present invention and its sequentially inverted and sequentially axially spliced tubular lanes;
fig. 15 is a schematic view of a tenth tubular block of the present invention and its sequentially turned and axially spliced pipe gallery;
fig. 16 is a schematic view of an eleventh tubular block and its sequential axial splicing to form a pipe gallery according to the present invention;
fig. 17 is a schematic structural view of a twelfth tubular block of the present invention;
FIG. 18 is a schematic view of the twelfth type of tubular block of FIG. 17 sequentially inverted and sequentially axially spliced to form a tube lane;
fig. 19 is a schematic view of a thirteenth tubular block of the present invention sequentially turned and axially spliced to form a pipe gallery;
fig. 20 is a schematic diagram of the fourteenth tubular building block of the present invention sequentially turned over and sequentially axially spliced to form a pipe gallery.
Reference numerals: 1-a first tubular building block body, 11-a first fastening hole, 2-a second tubular building block body, 3-a reinforcing rod, 4-a water permeable hole, 6-an avoiding bulge, 7-an avoiding notch, 8-a reinforcing hole and 10-a fastener.
Detailed Description
The utility model discloses with the biggest difference of current tubulose building block be through setting up on building block inner wall or outer wall and dodge the mode protruding or dodge the breach, make things convenient for the axial to wear to establish the fastener to link firmly a plurality of tubulose building blocks integratively. The avoidance bulge is arranged on the inner wall or the outer wall, and the other axial areas at the same part can form corresponding avoidance gaps.
Fig. 1 and fig. 2 are the utility model discloses a concatenation formula tubulose building block that available fastener is connected, the interior profile of its first tubulose building block body 1 is the octagon, is provided with four on its outer wall and dodges protruding 6, should dodge protruding 6 and play to account for about three fourths of building block overall length along the axial from a building block terminal surface, has been equivalent to and has been left the breach that accounts for the overall length fourth, is convenient for wear to establish the fastener. Each of the avoiding bulges 6 is provided with an axial first fastening hole 11, and the top wall, the side wall and the bottom wall of the building block are provided with reinforcing holes 8. Fig. 3 shows the pipe gallery formed by the blocks sequentially turned back to back (i.e. one block body is overlapped with another block body after rotating 180 degrees left or right), and the fasteners 10 adopt lacing wires to splice the blocks into a whole; in addition, in order to strengthen the intensity of piping lane, can insert reinforcing rod 3 in reinforcing hole 8, reinforcing rod can select materials such as reinforcing bar.
Fig. 4 and fig. 5, for the utility model discloses concatenation formula tubulose building block and piping lane that available fastener of second kind is connected, only lie in dodging arch 6 and be located the axial middle part in bight with the difference of first kind building block and piping lane on first tubulose building block body 1 only two settings, both sides all leave the breach.
Fig. 6 and 7 show a third splicing type tubular block and a pipe gallery connected by a fastener, the inner and outer contours of the cross section of the first tubular block body 1 are hexagonal, so that an upper corner and a lower corner of one side wall of the block respectively form an avoiding gap 7, and four corners are provided with first fastening holes 11; a plurality of blocks are sequentially turned over and secured into a pipe gallery by fasteners 10.
Fig. 8 and fig. 9 are the utility model discloses concatenation formula tubulose building block and piping lane that fourth kind of available fastener is connected, the arch 6 setting of dodging of first tubulose building block body 1 is outside two lateral walls, and dodges the arch and be located the middle part. A plurality of blocks are sequentially secured into a pipe gallery by fasteners 10.
Fig. 10 is the utility model discloses concatenation formula tubulose building block and piping lane that fifth kind of available fastener is connected, the breach 7 setting of dodging of first tubulose building block body 1 is outside two lateral walls, and dodges breach 7 and is located axial both ends, and the roof of building block is provided with two holes 4 of permeating water. A plurality of building blocks loop through fastener 10 and link firmly into piping lane formula escape canal. And a waterproof rubber pad can be arranged between the end faces of the building blocks.
Fig. 11 is the utility model discloses concatenation formula tubulose building block and piping lane that sixth kind of available fastener is connected, the building block includes first tubulose building block body 1 and second tubulose building block body 2, and wherein the arch 6 setting of dodging of first tubulose building block body 1 is outside two lateral walls and is located the middle part, and its length is isometric with the building block. The second tubular block body 2 has the same cross-sectional internal profile as the first block body 1. A plurality of first tubulose building block body 1 and second tubulose building block body 2 are crisscross puts and link firmly into the piping lane through fastener 10 in proper order. The second tubular block body 2 may be a rectangular tubular block without any additional structure, a rectangular tubular block with second fastening holes (the structure, size and position of the second fastening holes are the same as or corresponding to those of the first fastening holes, and are not shown in the figure), or a tubular block with other shapes or with other additional structures. In other words, as long as one or more second tubular building block bodies 2 with different structures or different profiles are clamped between two non-adjacent first tubular building block bodies 1 through fasteners, and are connected into a pipe gallery, the invention is in the protection scope. At this moment, an avoiding gap for a fastener to pass through and facilitate perforation is formed between the avoiding bulges 6 of the two non-adjacent first tubular building block bodies 1, namely outside the side wall of the second tubular building block body 2. Preferably, the adjacent first tubular block body 1 and the second tubular block body 2 have the same structure. The adjacent building block bodies can be placed in the same direction or in the opposite direction according to the corresponding relationship of the structures.
Fig. 12 is the utility model discloses concatenation formula tubulose building block and piping lane that seventh kind of available fastener is connected, the arch 6 setting of dodging of its first tubulose building block body 1 is outside two lateral walls and is located the middle part, and the breach all is left at the axial both ends. A plurality of first tubular block bodies 1 are sequentially fixedly connected into a pipe gallery by fasteners 10.
Fig. 13 is the utility model discloses concatenation formula tubulose building block and piping lane that eighth kind available fastener is connected, its first tubulose building block body 1 dodge breach 7 and set up at two lateral wall middle parts and lie in an axial tip. A plurality of first tubular building block bodies 1 are turned over in sequence and are fixedly connected into a pipe gallery through fasteners 10.
Fig. 14 is the ninth available fastener connected splicing type tubular building block and pipe gallery of the present invention, wherein the avoiding protrusion 6 of the first tubular building block body 1 is disposed at the corner of two centrosymmetric positions, and forms a protrusion through two axially through-going open slots. A plurality of first tubulose building block bodies 1 overturn in proper order and link firmly into the piping lane through the fastener of wearing to establish in first fastening hole and open slot.
Fig. 15 and 16 are the utility model discloses concatenation formula tubulose building block and piping lane that tenth kind and eleventh kind available fastener are connected, it dodges protruding 6 settings at inner wall both sides middle part, the difference is that the arch of dodging of tenth kind of building block is close to a tip, and the arch of dodging of eleventh kind of building block is located the middle part.
Fig. 17 and 18 are the utility model discloses a concatenation formula tubulose building block and piping lane that available fastener is connected of twelfth kind, the inboard middle part of its first tubulose building block body 1 of dodging arch 6 setting at one of them lateral wall, it dodges two bights about the breach setting is in the outside of this lateral wall. A plurality of first tubular block bodies 1 are sequentially turned over and fixedly connected into a pipe gallery by fasteners 10. The avoidance protrusion 6 may have a triangular cross section, or may have a rectangular cross section of the avoidance protrusion 6.
Fig. 19 is the thirteenth splicing type tubular building block and pipe gallery connected by fasteners, wherein the avoiding protrusion 6 of the first tubular building block body 1 is arranged at the inner side of one side wall and the outer side of the other side wall, the height position is equal, and the number of each side can be one or two. A plurality of first tubular block bodies 1 are sequentially turned over and fixedly connected into a pipe gallery by fasteners 10.
Fig. 20 is the utility model discloses concatenation formula tubulose building block and piping lane that available fastener is connected of fourteenth kind, the breach setting of dodging of its first tubulose building block body is in the outside middle part of one of them lateral wall, and the first fastening hole quantity of every side can be a set of or two sets of. A plurality of first tubulose building block bodies overturn in proper order and link firmly into the piping lane through the fastener. In order to ensure the strength of the side wall, the side wall at the corresponding part of the notch can be inwards protruded towards the inside of the pipe gallery properly.

Claims (12)

1. Splicing type tubular building blocks capable of being connected by fasteners are characterized in that: comprises a first tubular block body (1); at least one axial avoiding structure is arranged on the inner wall or the outer wall of the first tubular building block body (1); the axial avoiding structure is an avoiding protrusion (6) or an avoiding notch (7) which is axially arranged in full size, or the axial avoiding structure is an avoiding protrusion (6) or an avoiding notch (7) which is axially arranged in part; the avoiding bulge (6) or the avoiding notch (7) is used for providing a construction space for punching the fastener (10); at least one group of first fastening holes (11) are axially formed in the first tubular building block body (1); the first fastening holes (11) are arranged at the positions which are symmetrical with the center of the avoidance gap (7) and/or the positions which are symmetrical with the axis of the avoidance gap (7) and/or the positions which correspond to the avoidance gap (7) and/or the avoidance bulge (6); the number of the first fastening holes (11) in each group is one, two or more.
2. The fastener connectable, spliced, tubular block of claim 1, wherein: further comprising at least one reinforcement hole (8) and/or at least one water permeable hole (4); the reinforcing holes (8) are arranged on the top wall and/or the side wall of the first tubular building block body (1); the reinforcing holes (8) and the first fastening holes (11) are arranged vertically and do not intersect; the water permeable holes (4) are arranged on the top wall or the upper half part of the side wall of the first tubular building block body (1).
3. The fastener-connectable, spliced, tubular block of claim 1 or 2, wherein: the axial avoiding structures are one in number and are arranged in the middle of one corner or one side wall of the first tubular building block body (1); or the number of the axial avoiding structures is two, one of the axial avoiding structures is an avoiding protrusion (6), the other axial avoiding structure is an avoiding notch (7), and the avoiding protrusion (6) and the avoiding notch (7) are arranged in a centrosymmetric or axisymmetric manner; or the number of the axial avoiding structures is four, two of the axial avoiding structures are avoiding bulges (6), the other two axial avoiding structures are avoiding gaps (7), and the avoiding bulges (6) and the avoiding gaps (7) are distributed in a staggered mode and are arranged in a centrosymmetric mode or in an axisymmetric mode; the outer contour of the cross section of the first tubular building block body (1) is circular, oval or polygonal, or the inner contour of the cross section of the first tubular building block body (1) is circular, oval or polygonal.
4. The utility model provides a concatenation formula piping lane which characterized in that: comprising a fastener (10) and a plurality of the split tubular segments of claim 1; the fasteners (10) penetrate through the first fastening holes (11) so that the first tubular building block bodies (1) are axially spliced to form a pipe gallery.
5. The tiled tube lane of claim 4, wherein: further comprising a plurality of second tubular block bodies (2); the cross-section outer contour or the cross-section inner contour of the second tubular building block body (2) is the same as the corresponding contour of the first tubular building block body (1); the fasteners (10) penetrate through the first fastening holes (11) so that the first tubular building block bodies (1) and the second tubular building block bodies (2) which are arranged in a staggered mode are axially spliced to form a pipe gallery.
6. The tiled tube lane of claim 4, wherein: further comprising a plurality of second tubular block bodies (2); the cross-section outer contour or the cross-section inner contour of the second tubular building block body (2) is the same as that of the first tubular building block body (1); the second tubular building block body (2) is provided with second fastening holes corresponding to the first fastening holes (11) one by one; the fasteners (10) penetrate through the first fastening holes (11) and the second fastening holes so that the first tubular building block bodies (1) and the second tubular building block bodies (2) which are arranged in a staggered mode are axially spliced to form a pipe gallery.
7. Spliced pipe rack according to claim 4 or 5 or 6, characterized in that:
further comprising at least one reinforcement hole (8) and/or at least one water permeable hole (4); the reinforcing holes (8) are arranged on the top wall and/or the side wall of the first tubular building block body (1) or on the top wall and/or the side wall of the first tubular building block body (1) and the second tubular building block body (2); the reinforcing holes (8) and the corresponding first fastening holes (11) or second fastening holes are vertically arranged and do not intersect; the water permeable holes (4) are formed in the top wall or the upper half part of the side wall of the first tubular building block body (1) or the second tubular building block body (2);
and the reinforcing rod (3) is arranged in the reinforcing hole (8) in a penetrating way.
8. Spliced pipe rack according to claim 7, characterized in that:
the waterproof rubber gasket is arranged between the adjacent first tubular building block bodies (1) or between the adjacent first tubular building block bodies (1) and the second tubular building block bodies (2); the fastener (10) is a lacing wire or a screw rod.
9. Spliced pipe rack according to claim 5 or 6, characterized in that:
the first tubular building block body (1) and the second tubular building block body (2) are identical in structure and are placed in the same direction or in opposite directions.
10. Splicing type tubular building blocks capable of being connected by fasteners are characterized in that: comprises a second tubular block body (2); at least two axial avoiding structures are arranged on the inner wall or the outer wall of the second tubular building block body (2); the axial avoiding structure is an avoiding notch (7) which is axially arranged in full size; the avoiding notch (7) is used for providing a construction space for punching the fastener (10).
11. The fastener connectable, spliced, tubular block of claim 10, wherein: further comprising at least one reinforcement hole (8) and/or at least one water permeable hole (4); the reinforcing holes (8) are arranged on the top wall and/or the side wall of the second tubular building block body (2); the reinforcing holes (8) are perpendicular to the second fastening holes and do not intersect with the second fastening holes; the water permeable holes (4) are arranged on the top wall or the upper half part of the side wall of the second tubular building block body (2).
12. The fastener-connectable, spliced, tubular block of claim 10 or 11, wherein: the avoidance notches (7) are arranged in a centrosymmetric manner or in an axisymmetrical manner; the cross-section outer contour of the second tubular building block body (2) is circular, oval or polygonal, or the cross-section inner contour of the second tubular building block body (2) is circular, oval or polygonal.
CN202220463568.7U 2021-07-14 2022-03-04 Splicing type tubular building block capable of being connected through fasteners and splicing type pipe gallery Active CN217580291U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202121600192 2021-07-14
CN2021216001921 2021-07-14

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Publication Number Publication Date
CN217580291U true CN217580291U (en) 2022-10-14

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