CN215630176U - Spring type polyurethane water stop strip - Google Patents
Spring type polyurethane water stop strip Download PDFInfo
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- CN215630176U CN215630176U CN202122376348.9U CN202122376348U CN215630176U CN 215630176 U CN215630176 U CN 215630176U CN 202122376348 U CN202122376348 U CN 202122376348U CN 215630176 U CN215630176 U CN 215630176U
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Abstract
The utility model belongs to the field of water stop strips, in particular to a spring type polyurethane water stop strip, aiming at the problems that the existing water stop strip is poor in strength and tear resistance and easy to puncture and influence the water stop effect, the utility model provides a scheme that the spring type polyurethane water stop strip comprises a polyurethane water stop strip body, the polyurethane water stop strip body comprises an inner core layer, the outer side of the inner core layer is fixedly provided with a wrapping layer in a sealing way, the outer side of the wrapping layer is fixedly provided with a weather-resistant layer in a sealing way, the outer side of the weather-resistant layer is fixedly provided with a water swelling polyurethane rubber ring in a sealing way, the inner core layer is made of a tough material, and the inner core layer is arranged in a cylindrical shape. The water stopping effect is improved.
Description
Technical Field
The utility model relates to the technical field of water stop strips, in particular to a spring type polyurethane water stop strip.
Background
The water stop strip is formed by mixing a polymer inorganic water-absorbing expansion material and rubber, is a material for preventing leakage of construction joints of concrete-laying engineering such as various underground building construction engineering, hydraulic engineering, traffic tunnel engineering, cooling towers of power plants, municipal water supply and drainage and the like, and the PN (BW) water stop strip is a novel building waterproof material which is synthesized by the polymer inorganic water-absorbing expansion material, the rubber and an auxiliary agent and has self-adhesive property.
The existing water stop strip is poor in strength and tear resistance, easy to puncture and influence the water stop effect, so that a spring type polyurethane water stop strip is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects that the strength and tear resistance of a water stop strip are poor, the water stop strip is easy to puncture and the water stop effect is influenced in the prior art, and provides a spring type polyurethane water stop strip.
In order to achieve the purpose, the utility model adopts the following technical scheme:
spring polyurethane sealing rod, including the polyurethane sealing rod body, the polyurethane sealing rod body includes the inner core layer, the sealed fixed mounting in the outside of inner core layer has the parcel layer, and the sealed fixed mounting in the outside of parcel layer has the layer of nai time, the sealed fixed mounting in the outside of the layer of nai time has water-swelling polyurethane rubber ring.
Preferably, for the convenience of promoting the structural strength of polyurethane sealing rod body, the inner core layer is the toughness material, and the inner core layer is the cylindricality setting, the inside seal fixed mounting of inner core layer has the strengthening rib, and the quantity of strengthening rib is provided with a plurality ofly.
Preferably, for the convenience of installing the strengthening rib, the front side of interior sandwich layer is opened and is equipped with the preformed hole, and the quantity of preformed hole is provided with a plurality ofly, and the equal fixed mounting in inside of a plurality of preformed holes has toughness to encircle, the sealed fixed mounting of strengthening rib has the inside rather than corresponding toughness ring.
Preferably, in order to improve puncture resistance and tear resistance of the polyurethane water stop strip body, the corrosion-resistant layer is fixedly mounted on the outer side of the weather-resistant layer in a sealing mode, the elastic layer is fixedly mounted on the outer side of the corrosion-resistant layer in a sealing mode, the lantern ring is fixedly mounted on the outer side of the elastic layer in a sealing mode, and the outer side of the lantern ring and the inner portion of the water-swelling polyurethane rubber ring are fixedly mounted in a sealing mode.
Preferably, in order to change the shape of the polyurethane water stop strip body at will, the corrosion-resistant layer, the weather-resistant layer, the wrapping layer and the elastic layer are all arranged in an annular shape, and the corrosion-resistant layer, the weather-resistant layer, the wrapping layer and the elastic layer all have toughness.
Preferably, in order to improve the weather resistance of the polyurethane water stop strip body, the lantern ring is made of silicon rubber glass fibers, the elastic layer is made of rubber, the weather-resistant layer is made of a polypropylene composition, and the corrosion-resistant layer is made of polytetrafluoroethylene.
The utility model has the beneficial effects that: inner core layer, the strengthening rib strip, the toughness ring, the parcel layer, resistant layer of waiting, corrosion-resistant layer, the elastic layer, the material of lantern ring and water-swelling polyurethane rubber ring can be selected according to the actual demand, water-swelling polyurethane rubber ring is obtained through banburying and mixing through polyurethane and rubber, water-swelling polyurethane rubber ring is as leaking stoppage sealing water stop material, produce several times of inflation deformation after meeting water, be full of all irregular surfaces of seam, cavity and clearance, produce huge contact pressure simultaneously, thoroughly prevent the seepage, through the inner core layer that sets up on polyurethane sealing water stop strip body, the strengthening rib strip of filling in the inner core layer inside, promote the structural strength of polyurethane sealing water stop strip body when not influencing polyurethane sealing water strip body flexibility, via the lantern ring that sets up, can promote puncture resistance and the tear resistance of polyurethane sealing water strip body, the strength of the polyurethane water stop strip body can be improved, and the water stop effect is improved;
in order to solve the problem that the reinforcing ribs on the inner core layer are inconvenient to install, the reinforcing ribs can be conveniently and hermetically installed on the inner core layer through the preformed holes and the toughness rings arranged on the inner core layer, and the reinforcing ribs can be conveniently installed;
in order to solve the problem that the corrosion resistance of the polyurethane water stop strip body is not good, the corrosion resistance of the polyurethane water stop strip body can be improved through the corrosion-resistant layer arranged on the polyurethane water stop strip body, and the service life of the polyurethane water stop strip body is prolonged.
Drawings
FIG. 1 is a partial structural perspective view of the spring type polyurethane water stop strip provided by the utility model;
fig. 2 is a schematic structural view of the spring type polyurethane water stop strip according to the present invention;
FIG. 3 is a side view of the inner core layer structure of the spring type polyurethane water stop strip provided by the utility model;
fig. 4 is an enlarged schematic view of a part a of the spring type polyurethane water stop strip in fig. 2.
In the figure: 1 polyurethane sealing rod body, 2 inner core layers, 3 preformed holes, 4 toughness rings, 5 reinforcing ribs, 6 wrapping layers, 7 weather-resistant layers, 8 corrosion-resistant layers, 9 elastic layers, 10 lantern rings and 11 water-swelling polyurethane rubber rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-4, a spring type polyurethane water stop strip comprises a polyurethane water stop strip body 1, the shape of the polyurethane water stop strip body 1 is a circular spring type, the polyurethane water stop strip body 1 comprises an inner core layer 2, the inner core layer 2 is deformable and is used for improving the self strength of the polyurethane water stop strip body 1, in order to improve the structural strength of the polyurethane water stop strip body 1, the inner core layer 2 is made of a flexible material, the inner core layer 2 is arranged in a cylindrical shape, reinforcing ribs 5 are fixedly installed inside the inner core layer 2 in a sealing manner, the number of the reinforcing ribs 5 is multiple, the plurality of reinforcing ribs 5 are arranged in a point symmetry manner at the center of the front side of the inner core layer 2, in order to install the reinforcing ribs 5, the front side of the inner core layer 2 is provided with reserved holes 3, the number of the reserved holes 3 is the same as that of the reinforcing ribs 5, and the number of the reserved holes 3 is multiple, the inside of a plurality of preformed holes 3 is fixedly provided with a toughness ring 4, the reinforcing ribs 5 are fixedly arranged inside the toughness ring 4 corresponding to the reinforcing ribs in a sealing way, the outside of the inner core layer 2 is fixedly provided with a wrapping layer 6 in a sealing way, the material of the wrapping layer 6 can be selected according to practical use and is used for wrapping the inner core layer 2 in a sealing way, the outside of the wrapping layer 6 is fixedly provided with a weather-resistant layer 7 in a sealing way, the weather-resistant layer 7 can improve the weather resistance, the outside of the weather-resistant layer 7 is fixedly provided with a water-swelling polyurethane rubber ring 11 in a sealing way, the water-swelling polyurethane rubber ring 11 is used as a plugging sealing water-stopping material, several times of swelling deformation is generated after water is met, all irregular surfaces, cavities and gaps of joints are filled with, huge contact pressure is generated at the same time, the leakage is thoroughly prevented, in order to improve the puncture resistance and tear resistance of the polyurethane water-stopping strip body 1, the outside of the weather-resistant layer 7 is fixedly provided with a corrosion-resistant layer 8 in a sealing way, corrosion resistance 8 promotes corrosion resistance, increase of service life, and the sealed fixed mounting in the outside of corrosion resistance layer 8 has elastic layer 9, and the sealed fixed mounting in the outside of elastic layer 9 has lantern ring 10, and lantern ring 10 can promote puncture resistance and the resistance to tearing of polyurethane sealing rod body 1, and the outside of lantern ring 10 and the sealed fixed mounting in the inside of meeting water inflation polyurethane rubber ring 11.
Example two
The following further improvements are made on the basis of the first embodiment:
in the utility model, in order to change the shape of the polyurethane water stop strip body 1 at will, the corrosion-resistant layer 8, the weather-resistant layer 7, the wrapping layer 6 and the elastic layer 9 are all arranged in a ring shape, and the corrosion-resistant layer 8, the weather-resistant layer 7, the wrapping layer 6 and the elastic layer 9 all have toughness, so that the flexibility of the polyurethane water stop strip body 1 is not affected, in order to improve the weather resistance of the polyurethane water stop strip body 1, the lantern ring 10 is made of silicon rubber glass fiber, the elastic layer 9 is made of rubber, the weather-resistant layer 7 is made of a polypropylene composition, and the corrosion-resistant layer 8 is made of polytetrafluoroethylene.
In the utility model, the water-swelling polyurethane rubber ring 11 is obtained by banburying and mixing polyurethane and rubber, the specific production process is the prior art, and will not be described in detail herein, the water-swelling polyurethane rubber ring 11 is used as a plugging, sealing and water-stopping material, generates several times of expansion deformation after meeting water, fills all irregular surfaces, cavities and gaps of the joint, meanwhile, huge contact pressure is generated, leakage is completely prevented, and by arranging the inner core layer 2 on the polyurethane water stop strip body 1, the reinforcing ribs 5 filled in the inner core layer 2 improve the structural strength of the polyurethane water stop strip body 1 without influencing the flexibility of the polyurethane water stop strip body 1, through the lantern ring 10 that sets up, can promote the puncture-resistant and the tear-resistant nature of polyurethane sealing rod body 1, can also improve the intensity of polyurethane sealing rod body 1 self, promote the stagnant water effect.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. Spring polyurethane sealing rod, including polyurethane sealing rod body (1), polyurethane sealing rod body (1) includes inner core layer (2), its characterized in that, the sealed fixed mounting in the outside of inner core layer (2) has parcel layer (6), and the sealed fixed mounting in the outside of parcel layer (6) has and waits layer (7), the sealed fixed mounting in the outside of waiting layer (7) has water-swelling polyurethane rubber ring (11).
2. The spring type polyurethane water stop strip according to claim 1, wherein the inner core layer (2) is made of a flexible material, the inner core layer (2) is cylindrical, the inner portion of the inner core layer (2) is fixedly provided with a plurality of reinforcing ribs (5) in a sealed manner, and the number of the reinforcing ribs (5) is multiple.
3. The spring type polyurethane water stop strip according to claim 1, characterized in that preformed holes (3) are formed in the front side of the inner core layer (2), the number of the preformed holes (3) is multiple, the toughness rings (4) are fixedly mounted in the multiple preformed holes (3), and the reinforcing ribs (5) are fixedly mounted in the corresponding toughness rings (4) in a sealing manner.
4. The spring type polyurethane water stop according to claim 1, wherein the corrosion-resistant layer (8) is fixedly and hermetically mounted on the outer side of the weather-resistant layer (7), the elastic layer (9) is fixedly and hermetically mounted on the outer side of the corrosion-resistant layer (8), the lantern ring (10) is fixedly and hermetically mounted on the outer side of the elastic layer (9), and the outer side of the lantern ring (10) and the inner portion of the water-swelling polyurethane rubber ring (11) are fixedly and hermetically mounted.
5. The spring type polyurethane water stop bar according to claim 4, wherein the corrosion-resistant layer (8), the weather-resistant layer (7), the wrapping layer (6) and the elastic layer (9) are all arranged in an annular shape, and the corrosion-resistant layer (8), the weather-resistant layer (7), the wrapping layer (6) and the elastic layer (9) are all tough.
6. The spring type polyurethane water stop strip according to claim 4, wherein the lantern ring (10) is made of silicon rubber glass fiber, the elastic layer (9) is made of rubber, the weather-resistant layer (7) is made of a polypropylene composition, and the corrosion-resistant layer (8) is made of polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122376348.9U CN215630176U (en) | 2021-09-29 | 2021-09-29 | Spring type polyurethane water stop strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122376348.9U CN215630176U (en) | 2021-09-29 | 2021-09-29 | Spring type polyurethane water stop strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215630176U true CN215630176U (en) | 2022-01-25 |
Family
ID=79933494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122376348.9U Active CN215630176U (en) | 2021-09-29 | 2021-09-29 | Spring type polyurethane water stop strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215630176U (en) |
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2021
- 2021-09-29 CN CN202122376348.9U patent/CN215630176U/en active Active
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