A heat-insulating fire-resistant composite rubber hose

Abstract

The utility model discloses a kind of composite rubber hoses of heat-insulating fire resistance, including rubber hose body including outer sheath and inner sheath, inner sheath forms tube cavity, the inside of outer sheath is refractory layer, the inside of refractory layer is heat-insulating layer, the inside of heat-insulating layer is isolation layer, the inside of isolation layer is metal sheath, the both ends of rubber hose body are connected with connector, the inside circumference of connector is distributed with several protrusions, the outside circumference of the end portion of rubber hose body and connector is connected is distributed with several grooves, groove and protrusion are matched.

Description

Technical Field

[0001] This utility model relates to the field of rubber hoses, specifically to a heat-insulating and fire-resistant composite rubber hose. Background Technology

[0002] Rubber hoses are widely used in industries such as petroleum, chemical, shipbuilding, agriculture, and food processing. These hoses are typically designed with a basic multi-layered structure, including an inner rubber layer, a reinforcing layer, and an outer rubber layer, to provide basic pressure resistance, corrosion resistance, and a certain degree of temperature resistance. However, some industries require them to have excellent heat insulation and fire resistance properties to extend their service life. Utility Model Content

[0003] This invention provides a heat-insulating and fire-resistant composite rubber hose.

[0004] The technical solution of this utility model is implemented as follows: a heat-insulating and fire-resistant composite rubber hose includes a rubber hose body, which includes an outer sheath and an inner sheath. The inner sheath forms a cavity. The inner side of the outer sheath is a fire-resistant layer, the inner side of the fire-resistant layer is a heat-insulating layer, the inner side of the heat-insulating layer is an isolation layer, and the inner side of the isolation layer is a metal sheath. Both ends of the rubber hose body are connected to joints. Several protrusions are distributed on the inner circumference of the joints. Several grooves are distributed on the outer circumference of the end of the rubber hose body that connects to the joints. The grooves cooperate with the protrusions.

[0005] The outer sheath contains several jute ropes distributed along its length and circumference.

[0006] The jute rope is wrapped with wire mesh.

[0007] The outer sheath is made of fluororubber, which contains flame-retardant additives, while the inner sheath is made of oil-resistant synthetic rubber.

[0008] The fire-resistant layer is a mesh structure woven from glass fiber rope wrapped around the outside of the insulation layer.

[0009] The insulation layer is fireproof putty.

[0010] The isolation layer is made of silicone rubber.

[0011] The technical solution of this utility model has the following positive effects: This utility model is provided with an outer sheath, a fire-resistant layer, a heat insulation layer, an isolation layer, and a metal sheath. The outer sheath is made of fluororubber and flame retardant is added to play a flame-retardant role. The fire-resistant layer is made of fiberglass rope, which has good fire resistance. The heat insulation layer has a good heat insulation effect and reduces heat transfer. Jute rope is provided along its length and circumference of the outer sheath. The jute rope is wrapped with a metal mesh, which increases the overall tensile strength. The metal mesh is located outside the jute rope and plays a flame-retardant role. The metal sheath increases the pressure resistance of the rubber hose. Attached Figure Description

[0012] Figure 1 This is a cross-sectional schematic diagram of the rubber hose body of this utility model.

[0013] Figure 2 This is a schematic diagram showing the connection between the rubber hose body and the connector.

[0014] Figure 3 This is a side view of the connector.

[0015] Reference numerals: 1. Outer sheath; 2. Inner sheath; 3. Fire-resistant layer; 4. Insulation layer; 5. Isolation layer; 6. Metal sheath; 7. Jute rope; 8. Wire mesh; 9. Protrusion; 10. Groove; 11. Rubber hose body; 12. Connector. Detailed Implementation

[0016] like Figure 1-3 As shown, the device includes a rubber hose body 11, which includes an outer sheath 1 and an inner sheath 2. The inner sheath 2 forms a cavity. The inner side of the outer sheath 1 is a fire-resistant layer 3, the inner side of the fire-resistant layer 3 is a heat insulation layer 4, the inner side of the heat insulation layer 4 is an isolation layer 5, and the inner side of the isolation layer 5 is a metal sheath 6. The two ends of the rubber hose body 11 are connected to connectors 12. Several protrusions 9 are distributed on the inner circumference of the connectors 12. Several grooves 10 are distributed on the outer circumference of the end of the rubber hose body 11 that connects to the connectors 12. The grooves 10 cooperate with the protrusions 9.

[0017] Specifically, the inner sheath 2 is the cavity of this pipe through which fluid passes, and the inner side of the outer sheath 1 is provided with a fire-resistant layer 3 and a heat insulation layer 4 in sequence. The isolation layer 5 separates the metal sheath 6 and the heat insulation layer 4. The metal sheath 6 increases the pressure resistance of the rubber hose. The connection area between the connector 12 and the rubber hose body 11 is increased by the cooperation of the groove 10 and the protrusion 9.

[0018] The outer sheath 1 has several jute ropes 7 distributed along its length and circumference; the jute ropes 7 are wrapped with wire mesh 8; specifically, the length of the jute ropes 7 is the same as the length of the entire rubber hose, and the jute ropes 7 increase the tensile strength of the rubber hose.

[0019] The outer sheath 1 is made of fluororubber, which contains flame retardant additives, and the inner sheath 2 is made of oil-resistant synthetic rubber. Specifically, the flame retardant additives can be aluminum hydroxide or halogen compounds, which can form a carbonized layer to isolate oxygen during combustion and play a flame retardant role.

[0020] The fire-resistant layer 3 is a mesh structure woven from fiberglass rope wrapped around the outside of the insulation layer 5; the heat insulation layer 4 is fireproof putty; specifically, the fiberglass rope has excellent fire resistance, is an inorganic fiber, and has excellent fire resistance, while the fireproof putty has excellent heat insulation effect, reducing heat transfer.

[0021] The insulating layer 5 is made of silicone rubber, which is soft and separates the metal sheath 6 from the heat insulation layer 4.

[0022] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A heat and flame resistant composite rubber hose characterized by: The system includes a rubber hose body, which comprises an outer sheath and an inner sheath. The inner sheath forms a cavity. The inner side of the outer sheath is a fire-resistant layer, the inner side of the fire-resistant layer is a heat insulation layer, the inner side of the heat insulation layer is an isolation layer, and the inner side of the isolation layer is a metal sheath. The two ends of the rubber hose body are connected to connectors. The inner circumference of the connectors has several protrusions, and the outer circumference of the ends of the rubber hose body that connect to the connectors has several grooves that mate with the protrusions.

2. A thermally insulated fire resistant composite rubber hose according to claim 1, characterized in that: The outer sheath contains several jute ropes distributed along its length and circumference.

3. A thermally insulated fire resistant composite rubber hose according to claim 1, characterized in that: The jute rope is wrapped with wire mesh.

4. A thermally insulated fire resistant composite rubber hose according to claim 1, characterized in that: The outer sheath is made of fluororubber, which contains flame-retardant additives, while the inner sheath is made of oil-resistant synthetic rubber.

5. The heat-insulating and fire-resistant composite rubber hose according to claim 1, characterized in that: The fire-resistant layer is a mesh structure woven from glass fiber rope wrapped around the outside of the insulation layer.

6. The heat-insulating and fire-resistant composite rubber hose according to claim 1, characterized in that: The insulation layer is fireproof putty.

7. The heat-insulating and fire-resistant composite rubber hose according to claim 1, characterized in that: The isolation layer is made of silicone rubber.

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