CN215488378U

CN215488378U - Rubber expansion joint with efficient flame-retardant heat-insulation coating

Info

Publication number: CN215488378U
Application number: CN202121221637.5U
Authority: CN
Inventors: 林学葆
Original assignee: Jiangsu Yonghe Polymer Technology Co ltd
Current assignee: Jiangsu Yonghe Polymer Technology Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-01-11
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a rubber expansion joint with a high-efficiency flame-retardant heat-insulating coating, which comprises a rubber expansion joint, wherein the rubber expansion joint comprises a styrene-butadiene rubber base layer, a PET (polyethylene terephthalate) material layer, a thermosetting resin layer, a styrene-butadiene rubber top layer and a polyimide film; through the butadiene styrene rubber basic unit, the PET material layer, the thermosetting resin layer, the butadiene styrene rubber top layer and the polyimide film that set up, can effectual promotion rubber expansion joint holistic performance, let performances such as heat resistance, fire resistance, the cold resistance of rubber expansion joint all promote by a wide margin, can be extensive be used for each item field.

Description

Rubber expansion joint with efficient flame-retardant heat-insulation coating

Technical Field

The utility model relates to the technical field of rubber expansion joints, in particular to a rubber expansion joint with a high-efficiency flame-retardant heat-insulation coating.

Background

The rubber expansion joint is generally composed of a smooth corrugated compensation element with rubber flanges at two ends and a metal flange. The metal flange is often of a loose sleeve structure. The surface of the wave-shaped compensation element is rubber, and the inner layer is a sandwich layer reinforced by a plurality of layers of strong fibers or steel belts (wires). The reinforced sandwich layer of reinforced fibre or steel band (wire) is extended to the rubber-like flange at two ends, and the hard steel wire skeleton is placed in the flange. The rubber expansion joint has large displacement compensation capacity, can compensate axial displacement, transverse displacement and angular displacement, and has the advantages of reducing noise, reducing vibration and having certain anticorrosion capacity. The vibration absorption and noise reduction pipeline has the characteristics of high pressure resistance, good elasticity, large displacement, good vibration absorption and noise reduction effects, convenience in installation and the like, and can be widely used for water supply and drainage, heating and ventilation air conditioners, fire fighting, compressors, papermaking, pharmacy, ships, water pumps, fans and other pipeline systems;

the utility model discloses a rubber expansion joint as utility model with grant publication number CN203363517U, though it is convenient simple, structural strength is firm, resistant certain high temperature, resistant certain negative pressure performance, but does not solve the not heat-resisting fragile problem of the rubber itself of preparation rubber expansion joint, for this reason we propose a rubber expansion joint with high-efficient fire-retardant thermal-insulated coating.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the rubber expansion joint with the efficient flame-retardant heat-insulation coating, which can effectively improve the overall performance of the rubber expansion joint, greatly improve the performances of the rubber expansion joint such as heat resistance, flame retardance, cold resistance and the like, and can be widely applied to various fields.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a rubber expansion joint with high-efficient fire-retardant thermal-insulated coating, includes the rubber expansion joint, the rubber expansion joint includes butadiene styrene rubber basic unit, PET material layer, thermosetting resin layer, butadiene styrene rubber top layer and polyimide film, butadiene styrene rubber basic unit outside fixed connection is inboard in the PET material layer, PET material layer outside fixed connection is inboard in the thermosetting resin layer, thermosetting resin layer outside fixed connection is inboard in the butadiene styrene rubber top layer, the butadiene styrene rubber top layer outside all is connected with polyimide film with butadiene styrene rubber basic unit inboard, the polyimide film outside is provided with high-efficient fire-retardant thermal-insulated coating.

The rubber expansion joint comprises a rubber expansion joint body, a rubber expansion joint body is arranged on the rubber expansion joint body, a first fixing block and a second fixing block are fixedly connected to the outer side of the rubber expansion joint body, a clamping groove is formed in the bottom end surface of the first fixing block, a hollow groove is formed in the second fixing block, a rotating rod is rotatably connected to the inner side of the hollow groove, one end of the rotating rod penetrates through the second fixing block and is located on the outer side of the second fixing block, a gear is fixedly connected to the outer side of the rotating rod, a rack is meshed with the outer side of the gear, and one end of the rack penetrates through the second fixing block and is located on the inner side of the clamping groove.

As a preferable technical scheme of the utility model, lubricating grease is arranged at the meshing part of the gear and the rack, and anti-skid salient points are arranged on the outer side of the rotating rod.

According to a preferable technical scheme of the utility model, a sliding groove is formed in the storage box, a sliding block is connected to the inner side of the sliding groove in a sliding mode, an elastic part is fixedly connected to the end face of one end of the sliding block, a pull rope is fixedly connected to the end face of one end of the elastic part, and one end of the pull rope is located on the outer side of the storage box.

As a preferable technical scheme, the outer side of the sliding block is fixedly connected with two limiting blocks, the limiting blocks are connected to the inner side of the sliding groove in a sliding mode, and the two limiting blocks are arranged around the surface of the sliding block.

As a preferable technical scheme of the utility model, a protective sleeve is arranged on the outer side of the pull rope, and silica gel is arranged at the joint of the pull rope and the protective sleeve.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. the styrene butadiene rubber base layer, the PET material layer, the thermosetting resin layer, the styrene butadiene rubber top layer and the polyimide film are arranged, so that the overall performance of the rubber expansion joint can be effectively improved, the heat resistance, the flame retardance, the cold resistance and other performances of the rubber expansion joint can be greatly improved, and the rubber expansion joint can be widely applied to various fields;

2. through the containing mechanism who sets up, can deposit the rubber expansion joint in safer containing box, avoid the rubber expansion joint just not installing the condition emergence that causes the packing impaired, the unable continuation of use of product because of packing when using.

Drawings

FIG. 1 is a schematic structural view of a rubber part of a rubber expansion joint according to the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged schematic view of the utility model at A of FIG. 2;

FIG. 4 is an enlarged view of the structure of FIG. 2 at B according to the present invention;

wherein: 1. a rubber expansion joint; 2. a storage box; 3. pulling a rope; 11. a styrene-butadiene rubber base layer; 12. a layer of PET material; 13. a thermosetting resin layer; 14. a styrene butadiene rubber top layer; 15. a polyimide film; 21. a first fixed block; 22. a second fixed block; 23. an empty groove; 24. a rotating rod; 25. a gear; 26. a rack; 27. a card slot; 28. a chute; 31. a slider; 32. a limiting block; 33. an elastic member.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1, a rubber expansion joint with a high-efficiency flame-retardant heat-insulating coating comprises a rubber expansion joint 1, wherein the rubber expansion joint 1 comprises a styrene-butadiene rubber base layer 11, a PET material layer 12, a thermosetting resin layer 13, a styrene-butadiene rubber top layer 14 and a polyimide film 15, the outer side of the styrene-butadiene rubber base layer 11 is fixedly connected to the inner side of the PET material layer 12, the outer side of the PET material layer 12 is fixedly connected to the inner side of the thermosetting resin layer 13, the outer side of the thermosetting resin layer 13 is fixedly connected to the inner side of the styrene-butadiene rubber top layer 14, the outer side of the styrene-butadiene rubber top layer 14 and the inner side of the styrene-butadiene rubber base layer 11 are both connected with the polyimide film 15, and the outer side of the polyimide film 15 is provided with the high-efficiency flame-retardant heat-insulating coating;

the styrene-butadiene rubber base layer 11 and the styrene-butadiene rubber top layer 14 serve as the basis of the rubber expansion joint 1 and have more excellent wear resistance, heat resistance, aging resistance and vulcanization speed compared with other rubbers, the PET material layer 12 can improve the oil resistance, dilute acid resistance, alkali resistance, high and low temperature resistance, water and oil resistance and other performances of the rubber expansion joint 1, the thermosetting resin layer 13 can effectively improve the strength, heat resistance, corrosion resistance and aging resistance of the rubber expansion joint 1, the polyimide film 15 enables the high and low temperature resistance of the surfaces of the styrene-butadiene rubber base layer 11 and the styrene-butadiene rubber top layer 14 to be stronger, and the arrangement of the high-efficiency flame-retardant heat-insulating coating can greatly improve the overall flame-retardant heat-insulating performance of the rubber on the rubber expansion joint 1 and prolong the service life of the rubber expansion joint 1; the integral performance of the rubber expansion joint 1 can be effectively improved, the heat resistance, the flame retardance, the cold resistance and other performances of the rubber expansion joint 1 are greatly improved, and the rubber expansion joint can be widely applied to various fields.

In other embodiments, as shown in fig. 2 to fig. 3, the present embodiment discloses that the rubber expansion joint further includes a receiving mechanism, the receiving mechanism includes a receiving box 2, the receiving box 2 is located outside the rubber expansion joint 1, a first fixing block 21 and a second fixing block 22 are fixedly connected to the outside of the receiving box 2, a clamping groove 27 is formed on the bottom end surface of the first fixing block 21, a hollow groove 23 is formed inside the second fixing block 22, a rotating rod 24 is rotatably connected to the inside of the hollow groove 23, one end of the rotating rod 24 penetrates through the second fixing block 22 and is located outside the second fixing block 22, a gear 25 is fixedly connected to the outside of the rotating rod 24, a rack 26 is engaged to the outside of the gear 25, and one end of the rack 26 penetrates through the second fixing block 22 and is located inside the clamping groove 27;

when the storage box 2 needs to be opened to take out the rubber expansion joint 1 in the storage box, the rotating rod 24 is rotated, the rotating rod 24 drives the gear 25 to rotate, so that the rack 26 is driven downwards, the rack 26 moves to the inner side of the clamping groove 27, and the storage box 2 can be opened; can deposit rubber expansion joint 1 in safer receiver 2, avoid rubber expansion joint 1 just cause the impaired condition of packing, the unable continuation of use of product to take place because of packing is poor when not installing the use yet.

In other embodiments, as shown in fig. 3, in the embodiment, a lubricating paste is disposed at the meshing position of the gear 25 and the rack 26, and anti-slip bumps are disposed on the outer side of the rotating rod 24; through this design, let the operation between gear 25 and the rack 26 more smooth and easy, improve the friction between user and bull stick 24 simultaneously, avoid appearing the condition of skidding.

In other embodiments, as shown in fig. 2 and 4, a sliding groove 28 is formed in the storage box 2, a sliding block 31 is slidably connected to the inner side of the sliding groove 28, an end surface of one end of the sliding block 31 is fixedly connected with an elastic member 33, an end surface of one end of the elastic member 33 is fixedly connected with a pull rope 3, and one end of the pull rope 3 is located on the outer side of the storage box 2; when the device is moved with the user, the elastic member 33 is extended by pulling the pull cord 3, and the slider 31 slides in the slide groove 28, thereby improving the portability of the storage case 2.

In other embodiments, as shown in fig. 4, the outer side of the sliding block 31 is fixedly connected with a limiting block 32, the limiting block 32 is slidably connected to the inner side of the sliding groove 28, and two limiting blocks 32 are arranged around the surface of the sliding block 31; through this design, let slider 31 can be spacing when removing, can not squint its original position.

In other embodiments, as shown in fig. 2, a protective sleeve is disposed outside the pull rope 3, and silica gel is disposed at a connection position between the pull rope 3 and the protective sleeve; through this design, can improve the user and feel when pulling stay cord 3, let stay cord 3 can effectually keep dry simultaneously.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A rubber expansion joint with a high-efficiency flame-retardant heat-insulation coating comprises a rubber expansion joint (1) and is characterized in that: rubber expansion joint (1) includes butadiene styrene rubber basic unit (11), PET material layer (12), thermosetting resin layer (13), butadiene styrene rubber top layer (14) and polyimide film (15), butadiene styrene rubber basic unit (11) outside fixed connection is inboard in PET material layer (12), PET material layer (12) outside fixed connection is inboard in thermosetting resin layer (13), thermosetting resin layer (13) outside fixed connection is inboard in butadiene styrene rubber top layer (14), butadiene styrene rubber top layer (14) outside and butadiene styrene rubber basic unit (11) inboard all are connected with polyimide film (15), polyimide film (15) outside is provided with high-efficient fire-retardant thermal-insulated coating.

2. The rubber expansion joint with the high-efficiency flame-retardant heat-insulating coating according to claim 1, wherein: still include receiving mechanism, receiving mechanism includes receiver (2), receiver (2) are located rubber expansion joint (1) the outside, receiver (2) outside first fixed block of fixedly connected with (21) and second fixed block (22), draw-in groove (27) have been seted up to first fixed block (21) bottom surface, dead slot (23) have been seted up to second fixed block (22) inside, dead slot (23) inboard is rotated and is connected with bull stick (24), bull stick (24) one end is run through second fixed block (22) and is located the second fixed block (22) outside, just bull stick (24) outside fixedly connected with gear (25), gear (25) outside meshing has rack (26), rack (26) one end is run through second fixed block (22) and is located draw-in groove (27) inboard.

3. The rubber expansion joint with the high-efficiency flame-retardant heat-insulating coating according to claim 2, wherein: lubricating paste is arranged at the meshing position of the gear (25) and the rack (26), and anti-skidding salient points are arranged on the outer side of the rotating rod (24).

4. The rubber expansion joint with the high-efficiency flame-retardant heat-insulating coating according to claim 2, wherein: the inside spout (28) of having seted up of receiver (2), spout (28) inboard sliding connection has slider (31), slider (31) one end terminal surface fixed connection elastic component (33), elastic component (33) one end terminal surface fixed connection stay cord (3), stay cord (3) one end is located the receiver (2) outside.

5. The rubber expansion joint with the high-efficiency flame-retardant heat-insulating coating according to claim 4, wherein: slider (31) outside fixedly connected with stopper (32), stopper (32) sliding connection is inboard in spout (28), just stopper (32) are provided with two around slider (31) surface.

6. The rubber expansion joint with the high-efficiency flame-retardant heat-insulating coating according to claim 4, wherein: the outer side of the pull rope (3) is provided with a protective sleeve, and the joint of the pull rope (3) and the protective sleeve is provided with silica gel.