CN211690458U - Rectangular sealing device for connecting vertical flexible barrier system - Google Patents
Rectangular sealing device for connecting vertical flexible barrier system Download PDFInfo
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- CN211690458U CN211690458U CN201922476797.3U CN201922476797U CN211690458U CN 211690458 U CN211690458 U CN 211690458U CN 201922476797 U CN201922476797 U CN 201922476797U CN 211690458 U CN211690458 U CN 211690458U
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Abstract
The utility model discloses a rectangular sealing device for connecting a vertical flexible barrier system, which relates to the technical field of vertical flexible barrier systems and comprises a first lock catch, a second lock catch and an expansion water stop bar, wherein the first lock catch and the second lock catch are respectively fixed on the opposite surfaces of two adjacent HDPE films; the first lock catch comprises a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are both L-shaped pieces, one end, far away from the long side, of the short side of the second connecting piece is fixed on the long side of the first connecting piece, the long side of the second connecting piece is opposite to the short side of the first connecting piece, and a first groove is formed in the short side of the second connecting piece; the second lock catch is approximately the same as the first lock catch structure, the second lock catch comprises a third connecting piece and a fourth connecting piece, a second groove is formed in one end, far away from the short side, of the long side of the fourth connecting piece, and the expansion water stop strip is inserted between the first groove and the second groove. The utility model discloses simple structure to the friction is less, easy to assemble.
Description
Technical Field
The utility model relates to a perpendicular flexible protective screen technical field especially relates to a rectangle sealing device for perpendicular flexible protective screen headtotail.
Background
With the rapid development of economy, the acceleration of industrialization and urbanization, people have higher requirements on the living environment, but the generation amount of municipal solid waste is increased sharply. At present, solid wastes are stored for a long time, and some simple garbage storage sites, irregular garbage landfill sites and dangerous garbage landfill sites influenced by geological movement have been polluted and leaked. The vertical barrier system is the fastest and safest way to block harmful underground fluid flow, providing direct protection and assurance of long term plugging. The connection between two blocks of HDPE geomembranes is very important, not only needs to fixedly connect the two blocks of membranes together to form a complete barrier membrane wall, but also the connection device needs to keep the watertightness of the connection device, so that pollution diffusion caused by leakage of the connection device is prevented, and the sealing performance of the connection device is related to the integral anti-seepage effect of the HDPE membranes.
Chinese patent document CN 201721135990.5 provides "a porous sealing mechanism and a porous sealing device for connecting a vertical flexible barrier system", which includes an expansion water stop pad, a HDPE geomembrane and a connecting member, wherein the connecting member includes an inverted L-shaped structure and more than two T-shaped structures, the more than two T-shaped structures are sequentially installed near the edge of the HDPE geomembrane, the inverted L-shaped structure is installed adjacent to the T-shaped structure farthest from the edge of the HDPE geomembrane, and the direction of a hook of the inverted L-shaped structure points to the T-shaped structure adjacent thereto; adjacent T style of calligraphy structure and the type of falling L structure form the mounting groove rather than between the adjacent T style of calligraphy structure, and the tank bottom of mounting groove is provided with first cavity, and the one end that HDPE geomembrane was kept away from to T style of calligraphy structure is provided with the second cavity, and when two HDPE geomembranes mutually supported formation seal structure, first cavity and the cooperation of second cavity formed the installation cavity, and the inflation stagnant water pad is installed in the installation cavity. Simple structure, can resist the corruption of pollutant, long service life can seal for a long time.
However, this solution still has drawbacks. The porous T-shaped structure has two on each connecting device, 4 expansion water-stop pads need to be installed when the porous T-shaped structure is spliced, and the structure is complex. It is located the top of T style of calligraphy structure to reach 4 stagnant water pads as many, and the space is less, and it is great that frictional resistance is great in 2T style of calligraphy structures insert 2 inverted L type structures in the actual vertical connection process, and the resistance is bigger after the inflation stagnant water pad is put into. The position of the expansion water stop pad of the intermediate structure can be filled with partial bentonite slurry particles in the bentonite slurry environment, so that the membrane resistance is further increased, the insertion difficulty is caused, the membrane is difficult to be arranged, and the operation time is long.
Therefore, a new sealing device is urgently needed in the market to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rectangle sealing device for perpendicular flexible protective screen headtotail for solve the technical problem who exists among the above-mentioned prior art, reduce the friction that the grafting in-process produced.
In order to achieve the above object, the utility model provides a following scheme:
the utility model discloses a rectangular sealing device for connecting a vertical flexible barrier system, which comprises a first lock catch, a second lock catch and an expansion water stop bar, wherein the first lock catch and the second lock catch are respectively fixed on the opposite surfaces of two adjacent HDPE films;
the first lock catch comprises a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are both L-shaped pieces, the size of the first connecting piece is larger than that of the second connecting piece, one end, far away from the long side, of the short side of the second connecting piece is fixed on the long side of the first connecting piece, the long side of the second connecting piece is opposite to the short side of the first connecting piece, and a first groove is formed in the short side of the second connecting piece;
the second lock catch comprises a third connecting piece and a fourth connecting piece, the third connecting piece and the fourth connecting piece are both L-shaped pieces, the size of the third connecting piece is larger than that of the fourth connecting piece, one end, far away from the long side, of the short side of the fourth connecting piece is fixed on the long side of the third connecting piece, the long side of the fourth connecting piece is opposite to the short side of the third connecting piece, and one end, far away from the short side, of the long side of the fourth connecting piece is provided with a second groove;
the long side of the fourth connecting piece can extend into the space between the long sides of the first connecting piece and the second connecting piece, the long side of the second connecting piece can extend into the space between the long sides of the third connecting piece and the fourth connecting piece, the short side of the second connecting piece can extend into the space between the second groove and the short side of the third connecting piece, and the short side of the fourth connecting piece can extend into the space between one end, far away from the short side, of the long side of the second connecting piece and the short side of the first connecting piece;
the expansion water stop strip is inserted between the first groove and the second groove;
and one sides of the long edges of the first connecting piece and the third connecting piece, which are far away from the short edges, are respectively fixed on the opposite surfaces of the two adjacent HDPE films.
Preferably, the first groove and the second groove are both semicircular grooves.
Preferably, the cross section of the expansion water stop strip is circular.
Preferably, the first lock catch and the second lock catch are both made of HDPE.
Preferably, the first connector and the third connector are the same in size, and the short side of the second connector and the short side of the fourth connector are the same in size.
The utility model discloses for prior art gain following technological effect:
(1) the utility model discloses a circular cavity that first HDPE membrane hasp and second HDPE membrane hasp formed is used for the installation of inflation stagnant water pad, carries out the installation of inflation stagnant water strip at the hookup location of two hasps, does benefit to hasp grafting operation, effectively reduces the resistance. Mud is difficult for the deposit in the intracavity in circular intracavity in bentonite mud environment, compares in the grafting process and easily is taken down by the expansion sealing rod toward the vertical direction in other shapes, avoids the hindrance of mud to the installation.
(2) The utility model discloses first HDPE hasp and second HDPE hasp joint butt joint position form complete circular cavity by two semi-circular cavities of the same diameter, and the expansion sealing rod occupies whole cavity space after inserting the inflation, and the circular current situation after the contact surface smooth laminating expansion sealing rod inflation reaches anticipated sealed effect. First HDPE membrane hasp and second HDPE membrane hasp simple structure, convenient operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a rectangular sealing device for use in connection with a vertical flexible barrier system according to the present embodiment;
FIG. 2 is a schematic view of a first latch structure;
FIG. 3 is a schematic view of a second locking structure;
in the figure: 1-a first lock catch; 2-a second lock catch; 3-expansion water stop strip; 4-a first connector; 5-a second connector; 6-a first groove; 7-a third connection; 8-a fourth connection; 9-second groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a rectangle sealing device for perpendicular flexible protective screen headtotail for solve the technical problem who exists among the above-mentioned prior art, reduce the friction that the grafting in-process produced.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1-3, the present embodiment provides a rectangular sealing device for vertical flexible barrier system attachment, comprising a first locking buckle 1, a second locking buckle 2 and an expansion water stop 3. The first lock catch 1 and the second lock catch 2 are respectively fixed on the opposite surfaces of the two adjacent HDPE films, and the first lock catch 1 and the second lock catch 2 are used for locking the opposite surfaces of the two adjacent HDPE films.
The first lock catch 1 comprises a first connecting piece 4 and a second connecting piece 5, the first connecting piece 4 and the second connecting piece 5 are both L-shaped pieces, and the first connecting piece 4 and the second connecting piece 5 are designed in an integrated mode. The size of the first connecting piece 4 is larger than that of the second connecting piece 5, one end, far away from the long edge, of the short edge of the second connecting piece 5 is fixed on the long edge of the first connecting piece 4, the long edge of the second connecting piece 5 is opposite to the short edge of the first connecting piece 4, a gap is formed between the long edge of the second connecting piece 5 and the short edge of the first connecting piece 4, and a first groove 6 is formed in the short edge of the second connecting piece 5.
The second lock catch 2 comprises a third connecting piece 7 and a fourth connecting piece 8, the third connecting piece 7 and the fourth connecting piece 8 are both L-shaped pieces, and the third connecting piece 7 and the fourth connecting piece 8 are designed in an integrated mode. The size of the third connecting piece 7 is larger than that of the fourth connecting piece 8, one end, far away from the long side, of the short side of the fourth connecting piece 8 is fixed on the long side of the third connecting piece 7, the long side of the fourth connecting piece 8 is opposite to the short side of the third connecting piece 7, a gap is formed between the long side of the fourth connecting piece 8 and the short side of the third connecting piece 7, and one end, far away from the short side, of the long side of the fourth connecting piece 8 is provided with a second groove 9.
The distance between the long sides of the first and second connectors 4, 5 is greater than the width of the long side of the fourth connector 8, and the long side of the fourth connector 8 can extend between the long sides of the first and second connectors 4, 5. The distance between the long sides of the third connector 7 and the fourth connector 8 is greater than the width of the long side of the second connector 5, and the long side of the second connector 5 can extend between the long sides of the third connector 7 and the fourth connector 8. The width of the short side of the second link 5 is less than the distance from the second groove 9 to the short side of the third link 7, and the short side of the second link 5 can extend into the space between the second groove 9 and the short side of the third link 7. The width of the short side of the fourth link 8 is smaller than the distance between the end of the long side of the second link 5 far from the short side and the short side of the first link 4, and the short side of the fourth link 8 can extend into the space between the end of the long side of the second link 5 far from the short side and the short side of the first link 4.
The expansion water stop bar 3 is inserted between the first groove 6 and the second groove 9, and the expansion water stop bar 3 expands after meeting water, so that the first lock catch 1 and the second lock catch 2 are locked with each other, and the gap between the first lock catch 1 and the second lock catch 2 is reduced.
The sides of the long sides of the first connecting piece 4 and the third connecting piece 7, which are far away from the short sides, are fixed on the opposite surfaces of two adjacent HDPE films respectively through welding. The number of the first lock catch 1 is the same as that of the second lock catch 2, and the first lock catch 1 and the second lock catch 2 are multiple and fixed on the side surface of the HDPE film and are uniformly distributed from top to bottom.
When the HDPE lock is used, an HDPE film is inserted into a groove dug in advance, then the HDPE film adjacent to the first HDPE film is inserted into the groove, and the adjacent surfaces of the two HDPE films are respectively fixed with a first lock catch 1 and a second lock catch 2. In the process of inserting, guarantee that the long limit of fourth connecting piece 8 can stretch into between the long limit of first connecting piece 4 and second connecting piece 5, the long limit of second connecting piece 5 can stretch into between the long limit of third connecting piece 7 and fourth connecting piece 8, the minor face of second connecting piece 5 can stretch into between second recess 9 to the 7 minor faces of third connecting piece, the minor face of fourth connecting piece 8 can stretch into between the one end of keeping away from the minor face on the long limit of second connecting piece 5 and the minor face of first connecting piece 4. In a plurality of second hasp 2 inserted first hasp 1 in proper order, whole back of inserting, first recess 6 and second recess 9 form a through-hole, at this moment insert expansion sealing rod 3 in the through-hole again, expansion sealing rod 3 meets water inflation to make the minor face of fourth connecting piece 8 be close to and offset to the minor face of first connecting piece 4, the minor face of second connecting piece 5 is close to and offsets to the minor face of third connecting piece 7, thereby make first hasp 1 and second hasp 2 lock each other.
In this embodiment, the first groove 6 and the second groove 9 are both semicircular grooves. The specific shape of the first groove 6 and the second groove 9 can be adjusted by those skilled in the art as required as long as the expansion water stop strip 3 can be inserted between the first groove 6 and the second groove 9.
Further, the shape of the expansion water stop strip 3 is matched with a through hole formed between the first groove 6 and the second groove 9, and the cross section of the expansion water stop strip 3 is circular.
In this embodiment, the first locking device 1 and the second locking device 2 are made of HDPE. HDPE has good corrosion resistance, electrical property, moisture resistance, anti-seepage property, high rigidity and toughness, good mechanical strength, and good environmental stress cracking resistance and tearing strength resistance.
In order to reduce the gap between the first lock catch 1 and the second lock catch 2, in the present embodiment, the first connecting element 4 and the third connecting element 7 are the same size, and the short side of the second connecting element 5 and the short side of the fourth connecting element 8 are the same size. Therefore, the first lock catch 1 and the second lock catch 2 can be completely overlapped, no gap exists after the first lock catch and the second lock catch are overlapped, and the whole lock catch is of a rectangular structure.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (5)
1. A rectangular sealing device for use in connection with a vertical flexible barrier system, characterized by: the sealing device comprises a first lock catch, a second lock catch and an expansion water stop strip, wherein the first lock catch and the second lock catch are respectively fixed on the opposite surfaces of two adjacent HDPE films;
the first lock catch comprises a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are both L-shaped pieces, the size of the first connecting piece is larger than that of the second connecting piece, one end, far away from the long side, of the short side of the second connecting piece is fixed on the long side of the first connecting piece, the long side of the second connecting piece is opposite to the short side of the first connecting piece, and a first groove is formed in the short side of the second connecting piece;
the second lock catch comprises a third connecting piece and a fourth connecting piece, the third connecting piece and the fourth connecting piece are both L-shaped pieces, the size of the third connecting piece is larger than that of the fourth connecting piece, one end, far away from the long side, of the short side of the fourth connecting piece is fixed on the long side of the third connecting piece, the long side of the fourth connecting piece is opposite to the short side of the third connecting piece, and one end, far away from the short side, of the long side of the fourth connecting piece is provided with a second groove;
the long side of the fourth connecting piece can extend into the space between the long sides of the first connecting piece and the second connecting piece, the long side of the second connecting piece can extend into the space between the long sides of the third connecting piece and the fourth connecting piece, the short side of the second connecting piece can extend into the space between the second groove and the short side of the third connecting piece, and the short side of the fourth connecting piece can extend into the space between one end, far away from the short side, of the long side of the second connecting piece and the short side of the first connecting piece;
the expansion water stop strip is inserted between the first groove and the second groove;
and one sides of the long edges of the first connecting piece and the third connecting piece, which are far away from the short edges, are respectively fixed on the opposite surfaces of the two adjacent HDPE films.
2. The rectangular sealing device for vertical flexible barrier system connection according to claim 1, wherein: the first groove and the second groove are both semicircular grooves.
3. The rectangular sealing device for vertical flexible barrier system connection of claim 2, wherein: the cross section of the expansion water stop strip is circular.
4. The rectangular sealing device for vertical flexible barrier system connection according to claim 1, wherein: the first lock catch and the second lock catch are both made of HDPE materials.
5. The rectangular sealing device for vertical flexible barrier system connection according to claim 1, wherein: the first connecting piece and the third connecting piece are the same in size, and the short side of the second connecting piece and the short side of the fourth connecting piece are the same in size.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922476797.3U CN211690458U (en) | 2019-12-31 | 2019-12-31 | Rectangular sealing device for connecting vertical flexible barrier system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922476797.3U CN211690458U (en) | 2019-12-31 | 2019-12-31 | Rectangular sealing device for connecting vertical flexible barrier system |
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| CN211690458U true CN211690458U (en) | 2020-10-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486566A (en) * | 2022-02-15 | 2022-05-13 | 中国矿业大学 | Rock structural surface dynamic bidirectional shearing-seepage visual experiment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486566A (en) * | 2022-02-15 | 2022-05-13 | 中国矿业大学 | Rock structural surface dynamic bidirectional shearing-seepage visual experiment system |
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