CN210461673U

CN210461673U - Waterproof sealing gasket with long service life

Info

Publication number: CN210461673U
Application number: CN201921340834.1U
Authority: CN
Inventors: 缪旭坤
Original assignee: Siping Tongyuan Thermal Equipment Co Ltd
Current assignee: Siping Tongyuan Thermal Equipment Co Ltd
Priority date: 2019-08-17
Filing date: 2019-08-17
Publication date: 2020-05-05
Anticipated expiration: 2029-08-17

Abstract

The utility model discloses a long service life's waterproof gasket, including waterproof gasket, waterproof gasket's top cover is equipped with metal casing, waterproof gasket includes polyvinyl chloride elastic waterproof layer, polyvinyl chloride elastic waterproof layer's top fixedly connected with chloroprene rubber layer, one side fixedly connected with cyanoacrylate adhesive layer that polyvinyl chloride elastic waterproof layer was kept away from on the chloroprene rubber layer. The utility model discloses a waterproof gasket, metal casing, polyvinyl chloride elastic waterproof layer, chloroprene rubber layer, cyanoacrylate adhesive layer and polyurethane layer cooperate, possess corrosion-resistant, waterproof nature is good, long service life's advantage has solved current seal gasket simple structure, and gasket corrosion resistance can be poor, receives external environment's corruption after long-time the use for the leakproofness greatly reduced of gasket, the phenomenon of seepage appears easily, has reduced gasket life's problem simultaneously.

Description

Waterproof sealing gasket with long service life

Technical Field

The utility model relates to a waterproof sealing gasket technical field specifically is a long service life's waterproof sealing gasket.

Background

The sealing gasket is a sealing spare part used for machines, equipment and pipelines as long as the sealing spare part is used in places with fluid, and uses the materials with the sealing function of the inside and the outside.

The existing sealing gasket has a simple structure and poor corrosion resistance, and is corroded by the external environment after being used for a long time, so that the sealing property of the gasket is greatly reduced, the leakage phenomenon easily occurs, and the service life of the gasket is simultaneously reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long service life's waterproof sealing pad possesses corrosion-resistant, and waterproof nature is good, and long service life's advantage has solved current seal gasket simple structure, and gasket corrosion resisting property is poor, receives external environment's corruption after long-time the use for the leakproofness greatly reduced of gasket, the phenomenon of seepage appears easily, has reduced gasket life's problem simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a long service life's waterproof sealing pad, includes waterproof gasket, waterproof gasket's top cover is equipped with metal casing, waterproof gasket includes polyvinyl chloride elastic waterproof layer, polyvinyl chloride elastic waterproof layer's top fixedly connected with chloroprene rubber layer, one side fixedly connected with cyanoacrylate adhesive layer that polyvinyl chloride elastic waterproof layer was kept away from on the chloroprene rubber layer, one side fixedly connected with polyurethane layer on chloroprene rubber layer is kept away from on the cyanoacrylate adhesive layer.

Preferably, the centers of the tops of the metal shell and the waterproof gasket are provided with through holes, and the through holes are circular.

Preferably, the metal shell comprises a 304 stainless steel sheet, an oxidation resistant layer is fixedly connected to the outside of the 304 stainless steel sheet, and the oxidation resistant layer is made of zinc.

Preferably, the circular ring groove has been seted up to metal casing's bottom, waterproof gasket's top extends to the inner chamber in circular ring groove, waterproof gasket's bottom is located the outside in circular ring groove.

Preferably, the main material of the polyvinyl chloride elastic waterproof layer is polyvinyl chloride, the main material of the chloroprene rubber layer is chloroprene, the main material of the cyanoacrylate adhesive layer is cyanoacrylate, and the main material of the polyurethane layer is polyurethane.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a waterproof gasket, metal casing, polyvinyl chloride elastic waterproof layer, chloroprene rubber layer, cyanoacrylate adhesive layer and polyurethane layer cooperate, possess corrosion-resistant, waterproof nature is good, long service life's advantage has solved current seal gasket simple structure, and gasket corrosion resistance can be poor, receives external environment's corruption after long-time the use for the leakproofness greatly reduced of gasket, the phenomenon of seepage appears easily, has reduced gasket life's problem simultaneously.

2. The utility model discloses a set up metal casing, can protect the top of waterproof gasket, avoid the top part to rub impaired with waterproof gasket, through the surface galvanization at 304 stainless steel sheet, the corrosion-resistant and oxidation resistance of 304 stainless steel sheet has been improved, the life of extension 304 stainless steel sheet, through polyvinyl chloride elastic waterproof layer, polyvinyl chloride has the accommodation wide, the weatherability, the acid resistance, the resistance to deformation, long service life, tensile strength is high, the percentage of elongation is big, to basic unit shrink and fracture deformation strong adaptability, use temperature range advantage such as wide-40 degrees-100 degrees, waterproof corrosion resistance is superior, waterproof corrosion resistance can reach 50 years, through setting up chloroprene rubber layer, chloroprene has good physical and mechanical properties, resistant oil, heat-resisting, resistant fire, resistant sunlight, resistant ozone, acid and alkali resistance, chemical reagent resistance, through the cyanoacrylate adhesive layer, can both reach higher bonding strength to the bonding of multiple substrate, also can be used to the structure to bond a bit, it is firm to bond, through the polyurethane layer, polyurethane is thermal-insulated, give sound insulation, antidetonation, gas defense performance good, and polyurethane elastomer performance is between plastics and rubber, resistant oil, wear-resisting, low temperature resistant, ageing-resistant, hardness height, elasticity.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the metal shell of the present invention;

FIG. 3 is a schematic view of the internal structure of the waterproof gasket of the present invention;

fig. 4 is a schematic bottom view of the structure of the present invention.

In the figure: 1 waterproof gasket, 2 metal casing, 3 polyvinyl chloride elastic waterproof layer, 4 chloroprene rubber layer, 5 cyanoacrylate adhesive layer, 6 polyurethane layer, 7 through-holes, 8304 stainless steel sheet, 9 antioxidation layer, 10 ring 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a waterproof gasket 1, metal casing 2, polyvinyl chloride elastic waterproof layer 3, chloroprene rubber layer 4, cyanoacrylate adhesive layer 5, polyurethane layer 6, through-hole 7, 304 stainless steel sheet 8, oxidation resisting layer 9 and ring groove 10 part are the parts that general standard spare or the technical staff in the field know, and its structure and principle all are this technical staff's accessible technical manual learn or learn through conventional experimental method.

Referring to fig. 1-4, a waterproof gasket with a long service life comprises a waterproof gasket 1, a metal shell 2 is sleeved on the top of the waterproof gasket 1, through holes 7 are respectively formed in the centers of the top of the metal shell 2 and the top of the waterproof gasket 1, the through holes 7 are circular, the metal shell 2 comprises a 304 stainless steel sheet 8, an oxidation resistant layer 9 is fixedly connected to the outside of the 304 stainless steel sheet 8, the oxidation resistant layer 9 is made of zinc, a circular groove 10 is formed in the bottom of the metal shell 2, the top of the waterproof gasket 1 extends to an inner cavity of the circular groove 10, the bottom of the waterproof gasket 1 is positioned outside the circular groove 10, the waterproof gasket 1 comprises a polyvinyl chloride elastic waterproof layer 3, a chloroprene rubber layer 4 is fixedly connected to the top of the polyvinyl chloride elastic waterproof layer 3, a cyanoacrylate adhesive layer 5 is fixedly connected to one side of the chloroprene rubber layer 4 away from the polyvinyl, the side, far away from the chloroprene rubber layer 4, of the cyanoacrylate adhesive layer 5 is fixedly connected with a polyurethane layer 6, the main material of the polyvinyl chloride elastic waterproof layer 3 is polyvinyl chloride, the main material of the chloroprene rubber layer 4 is chloroprene, the main material of the cyanoacrylate adhesive layer 5 is cyanoacrylate, the main material of the polyurethane layer 6 is polyurethane, the top of the waterproof gasket can be protected by arranging the metal shell 2, the friction damage of a top part and the waterproof gasket is avoided, the corrosion resistance and the oxidation resistance of the 304 stainless steel sheet 8 are improved by galvanizing the surface of the 304 stainless steel sheet 8, the service life of the 304 stainless steel sheet 8 is prolonged, and the polyvinyl chloride has wide application range, weather resistance, acid resistance, deformation resistance, long service life, high tensile strength, high elongation, strong adaptability to base layer shrinkage and cracking deformation, the chloroprene rubber has the advantages of wide use temperature range of-40-100 ℃, excellent waterproof and anticorrosive performance, the waterproof and anticorrosive service life reaches 50 years, chloroprene has good physical and mechanical properties, oil resistance, heat resistance, flame resistance, sunlight resistance, ozone resistance, acid and alkali resistance and chemical reagent resistance by arranging the chloroprene rubber layer 4, chloroprene can be bonded to various base materials to achieve high bonding strength by the cyanoacrylate adhesive layer 5, and some base materials can be bonded to be structurally bonded to be firm, polyurethane has good heat insulation, sound insulation, shock resistance and gas resistance by the polyurethane layer 6, the performance of the polyurethane elastomer is between that of plastic and rubber, the polyurethane elastomer has oil resistance, wear resistance, low temperature resistance, aging resistance, high hardness and elasticity, and the waterproof gasket 1, the metal shell 2, the polyvinyl chloride elastic waterproof layer 3, the chloroprene rubber layer 4, the cyanoacrylate adhesive layer 5 and the polyurethane layer 6 are matched, possess corrosion-resistant, waterproof nature is good, long service life's advantage, solved current seal gasket simple structure, gasket corrosion resisting property is poor, receives external environment's corruption after long-time the use for the leakproofness greatly reduced of gasket, the phenomenon of seepage appears easily, has reduced gasket life's problem simultaneously.

When in use, the metal shell 2 is arranged to protect the top of the waterproof gasket and avoid the friction damage of the top part and the waterproof gasket, the surface of the 304 stainless steel sheet 8 is galvanized to improve the corrosion resistance and oxidation resistance of the 304 stainless steel sheet 8 and prolong the service life of the 304 stainless steel sheet 8, the polyvinyl chloride elastic waterproof layer 3 has the advantages of wide application range, weather resistance, acid resistance, deformation resistance, long service life, high tensile strength, high elongation, strong adaptability to base layer shrinkage and cracking deformation, wide use temperature range of 40-100 ℃ and the like, the polyvinyl chloride has excellent waterproof and corrosion resistance, the waterproof and corrosion resistance service life reaches 50 years, and the chloroprene rubber layer 4 has good physical and mechanical properties, oil resistance, heat resistance, flame resistance, sunlight resistance, ozone resistance, acid and alkali resistance and chemical reagent resistance, through cyanoacrylate adhesive layer 5, can both reach higher adhesive strength to the bonding of multiple substrate, also can be used to the structure bonding a bit, it is firm to bond, through polyurethane layer 6, polyurethane is thermal-insulated, give sound insulation, antidetonation, gas defense performance good, and polyurethane elastomer performance is between plastics and rubber, resistant oil, wear-resisting, low temperature resistant, ageing-resistant, the hardness height, it is elastic.

In summary, the following steps: this long service life's waterproof sealing pad cooperates through waterproof gasket 1, metal casing 2, polyvinyl chloride elastic waterproof layer 3, chloroprene rubber layer 4, cyanoacrylate adhesive layer 5 and polyurethane layer 6, has solved current seal gasket simple structure, and gasket corrosion resistance is poor, receives external environment's corruption after long-time the use for the leakproofness greatly reduced of gasket, the phenomenon of seepage appears easily, has reduced gasket life's problem simultaneously.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a long service life's waterproof sealed pad, includes waterproof gasket (1), its characterized in that: the waterproof gasket is characterized in that a metal shell (2) is sleeved at the top of the waterproof gasket (1), the waterproof gasket (1) comprises a polyvinyl chloride elastic waterproof layer (3), a chloroprene rubber layer (4) is fixedly connected to the top of the polyvinyl chloride elastic waterproof layer (3), one side, far away from the polyvinyl chloride elastic waterproof layer (3), of the chloroprene rubber layer (4) is fixedly connected with a cyanoacrylate adhesive layer (5), and one side, far away from the chloroprene rubber layer (4), of the cyanoacrylate adhesive layer (5) is fixedly connected with a polyurethane layer (6).

2. A long-life waterproof gasket according to claim 1, characterized in that: through-hole (7) have all been seted up at the center department at metal casing (2) and waterproof gasket (1) top, the shape of through-hole (7) is circular.

3. A long-life waterproof gasket according to claim 1, characterized in that: the metal shell (2) comprises a 304 stainless steel sheet (8), an oxidation resistant layer (9) is fixedly connected to the outside of the 304 stainless steel sheet (8), and the oxidation resistant layer (9) is made of zinc.

4. A long-life waterproof gasket according to claim 1, characterized in that: circular ring groove (10) have been seted up to metal casing (2) bottom, the top of waterproof gasket (1) extends to the inner chamber in circular ring groove (10), the bottom of waterproof gasket (1) is located the outside in circular ring groove (10).

5. A long-life waterproof gasket according to claim 1, characterized in that: the PVC waterproof elastic layer (3) is mainly made of PVC, the chloroprene rubber layer (4) is mainly made of chloroprene, the cyanoacrylate adhesive layer (5) is mainly made of cyanoacrylate, and the polyurethane layer (6) is mainly made of polyurethane.