CN211289061U

CN211289061U - Rubber hose with flame retardant property for automobile

Info

Publication number: CN211289061U
Application number: CN201921829853.0U
Authority: CN
Inventors: 吕育才; 赵玉涛
Original assignee: Nanjing Hanwei New Material Co ltd
Current assignee: Nanjing Hanwei New Material Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-08-18
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a rubber hose for car with flame retardant property, it includes the rubber tube body, the outside of rubber tube body is equipped with the back up coat, the back up coat is the back up coat of making by the asbestos cloth, the steel wire has been set along the axial of rubber tube body in the asbestos cloth, one side that the back up coat deviates from the rubber tube body is equipped with fire-retardant rubber layer. The utility model discloses have the fire-retardant effect of fire prevention.

Description

Rubber hose with flame retardant property for automobile

Technical Field

The utility model relates to a technical field of rubber hose for the car especially relates to a rubber hose for car with flame retardant property.

Background

Hoses are a type of tubular rubber product used to transport gaseous, liquid, slurry or particulate materials. The composite material consists of inner and outer rubber layers and skeleton layer, and the skeleton layer may be cotton fiber, various synthetic fiber, carbon fiber, asbestos, steel wire, etc. The inner and outer rubber layers of the common rubber tube are made of natural rubber, styrene butadiene rubber or butadiene rubber; the oil-resistant rubber tube adopts chloroprene rubber and nitrile rubber; the acid and alkali resistant and high temperature resistant rubber tube is made of ethylene propylene rubber, fluorine rubber or silicon rubber and the like.

Chinese patent publication No. CN106286993A discloses a high-pressure steel wire braided tube with oil resistance and flame retardance, which comprises a rubber tube main body, wherein an oil inlet tube is arranged on one side of the rubber tube main body, a main oil return tube is installed on one side of the oil inlet tube, an oil return hose is installed on one side of the main oil return tube, a hoop is arranged on one side of the rubber tube main body, a secondary oil return tube is installed on one side of the hoop, a hoop is arranged on one side of the secondary oil return tube, and a fixing screw is arranged on one side of the hoop. However, the high-pressure steel wire braided tube with oil resistance and flame retardance has the disadvantages that the rubber tube body is difficult to resist oil and flame, and is easily burnt out when a fire occurs, so that fuel oil is leaked and the fire is aggravated.

SUMMERY OF THE UTILITY MODEL

The rubber tube for the car with flame retardant property, it has the fire-retardant effect of fire prevention.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a rubber hose for car with flame retardant property, includes the rubber tube body, the outside of rubber tube body is equipped with the back up coat, the back up coat is the back up coat of being made by the asbestos cloth, the steel wire has been set along the axial of rubber tube body in the asbestos cloth, one side that the back up coat deviates from the rubber tube body is equipped with fire-retardant rubber layer.

Through the technical scheme, the flame-retardant rubber layer is made of rubber with flame retardancy and flame retardance, and when a fire disaster happens, the flame-retardant rubber layer blocks the fire outside, so that the fireproof and flame-retardant effects are achieved, and the possibility that the rubber tube body is burnt is reduced.

The utility model discloses further set up to: and a fireproof sealing layer is arranged between the flame-retardant rubber layer and the reinforcing layer, and is made of an expandable graphite material and a rubber material.

Through above-mentioned technical scheme, expandable graphite material has expansibility and high temperature resistance, and when the fire prevention sealing layer meets with high temperature, expandable graphite material meets thermal expansion, forms one deck shutoff layer in the outside of rubber tube body, blocks fire and oxygen in the outside of rubber tube body, has played the effect of blocking the shutoff to fire, has played the fire-retardant effect of further preventing fires.

The utility model discloses further set up to: one side of the reinforcing layer towards the fireproof sealing layer is provided with a plurality of limiting grooves along the outer peripheral edge, one side of the fireproof sealing layer towards the reinforcing layer is fixedly connected with limiting blocks fixedly matched with the limiting grooves, and the limiting blocks are made of the same material as the fireproof sealing layer and are integrally formed.

Through above-mentioned technical scheme, the cooperation setting of stopper and spacing groove has increased the area of contact between back up coat and the fire prevention sealing layer, is favorable to strengthening the stability of being connected between back up coat and the fire-retardant layer of fire prevention to be favorable to rubber tube overall structure's steadiness.

The utility model discloses further set up to: the outside cover of rubber tube body is equipped with the metal protective housing, the metal protective housing sets up and deviates from one side of back up coat and is connected with fire-retardant rubber layer slides at fire-retardant rubber layer.

Through above-mentioned technical scheme, when conflagration or external force extrude towards the rubber tube body, the metal protective housing adds encloses the rubber tube body and establishes in the centre, has reduced the rubber tube body and has been burnt out or the rubber tube body is by external force extrusion deformation's possibility by the fire, has played the guard action to the rubber tube body.

The utility model discloses further set up to: one side of the flame-retardant rubber layer, which faces the metal protective shell, is fixedly provided with a connecting rod and a sliding block, one end, far away from the flame-retardant rubber layer, of the sliding block is rotatably connected with one end of the connecting rod, one side of the metal protective shell, which faces the flame-retardant rubber layer, is provided with a sliding groove, and the sliding block is embedded in the sliding groove.

Through above-mentioned technical scheme, slide through the cooperation of slider and spout between metal protective housing and the fire-retardant rubber layer and be connected, the rubber tube body of being convenient for moves in metal protective housing along with braking operation, has strengthened the flexibility of rubber tube body along with braking operation.

The utility model discloses further set up to: the connecting rod is made of rubber, and an extension spring is fixedly arranged between one end of the connecting rod, which is far away from the sliding block, and the flame-retardant rubber layer.

Through above-mentioned technical scheme, the setting of the connecting rod that the rubber material was made and extension spring provides tensile displacement's space for the fire-retardant rubber layer that removes along with the rubber tube body to the flexibility that the rubber tube body removed in the metal protective housing has further been improved.

The utility model discloses further set up to: and an elastic buffer layer is fixedly arranged on the outer side of the metal protective shell.

Through the technical scheme, when the outside of the metal protective shell is impacted by external force, the elastic buffer layer recovers elastically, and the buffer effect is achieved on the impact force borne by the metal protective shell, so that the amplitude of vibration of the metal protective shell after the metal protective shell is impacted by the external force is reduced, and the shock-absorbing effect is achieved.

The utility model discloses further set up to: the periphery of the internal many steel wires of back up coat encloses simultaneously and is equipped with the steel wire winding, the steel wire winding is equipped with a plurality ofly along the axial of rubber tube body, the steel wire winding cramps in the outside of many steel wires.

Through above-mentioned technical scheme, the setting of steel wire winding has played the effect of fastening to the intraformational steel wire of reinforcement, is favorable to reinforcing back coat overall structure's steadiness to further strengthened the back coat to the reinforced (rfd) effect of rubber tube body, thereby be favorable to reinforcing rubber tube overall structure's tightness, reduced the possibility that the rubber tube body received the deformation often of external force extrusion.

To sum up, the utility model discloses following beneficial effect has:

1. the fireproof and flame-retardant effects on the rubber tube body are enhanced, so that the possibility of fuel oil leakage caused by burning of the rubber tube body in a fire disaster is reduced;

2. the metal protection shell is additionally arranged outside the rubber tube body, so that the rubber tube body is protected, and the possibility that the rubber tube body is damaged due to the fact that external force directly impacts the rubber tube body is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a metal protective shell arranged outside a hose body and used for embodying the appearance structure of the hose body in this embodiment.

Fig. 2 is a diagram showing the positional relationship and the connection structure of the rubber hose body, the reinforcing layer, the fireproof sealing layer, the flame-retardant rubber layer and the metal protective shell in this embodiment.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Reference numerals: 1. the rubber tube body; 2. a reinforcement layer; 21. a steel wire; 22. a bead ring; 23. a limiting groove; 3. a fire-proof sealing layer; 31. a limiting block; 4. a flame retardant rubber layer; 41. a connecting rod; 42. an extension spring; 43. a slider; 5. a metal protective shell; 51. a chute; 52. an elastic buffer layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): referring to fig. 1, for the utility model discloses a rubber hose for car with fire retardant property links to each other with the arresting gear of car inside, including hose body 1.

Referring to fig. 2 and 3, one side of the fireproof sealing layer 3 departing from the rubber hose body 1 is provided with a reinforcing layer 2 made of asbestos cloth, a plurality of steel wires 21 are embedded in the reinforcing layer 2 along the axial direction of the rubber hose body 1, and the plurality of steel wires 21 are distributed along the outer peripheral edge of the rubber hose body 1. The periphery of many steel wires 21 in the back up coat 2 encloses simultaneously and is equipped with a plurality of steel wire winding 22, and a plurality of steel wire winding 22 distribute along the axial of rubber tube body 1, and steel wire winding 22 cramps in the outside of many steel wires 21. The protective layer is formed on the outer side of the rubber hose body 1 by the arrangement of the reinforcing layer 2, and the rubber hose body 1 is reinforced and protected.

Referring to fig. 2, one side of the reinforcing layer 2, which is far away from the rubber hose body 1, is provided with a fireproof sealing layer 3, and the fireproof sealing layer 3 is made of expandable graphite material and rubber material. The expandable graphite material has expansibility and high temperature resistance, and a protective layer is formed on the outer side of the reinforcing layer 2 due to thermal expansion of the expandable graphite material, so that fire and oxygen are blocked on the outer side of the rubber tube body 1, and the possibility that the reinforcing layer 2 and the rubber tube body 1 are burnt by fire is reduced.

Referring to fig. 2 and 3, a limit block 31 is bonded to one side of the fireproof sealing layer 3 facing the reinforcing layer 2, the limit block 31 is arranged along the length direction of the fireproof sealing layer 3, the limit block 31 and the fireproof sealing layer 3 are made of the same material, the expandable graphite material and the rubber material are also made of the expandable graphite material, and the limit block 31 and the fireproof sealing layer 3 are integrally formed. One side of reinforcing layer 2 towards fire prevention sealing layer 3 has seted up spacing groove 23 along length direction, stopper 31 embedding spacing inslot 23 with spacing groove 23 fixed coordination.

Referring to fig. 2, a flame retardant rubber layer 4 is bonded to a side of the fireproof sealing layer 3 away from the reinforcing layer 2, and the flame retardant rubber has flame retardancy and can achieve a flame retardant effect when a fire disaster occurs. In this embodiment, the flame-retardant rubber layer 4 is made of silicone rubber, or may be made of flame-retardant rubber such as neoprene, chlorosulfonated polyethylene, or polyvinyl chloride rubber instead.

Referring to fig. 2 and 3, one side of the flame-retardant rubber layer 4 departing from the fireproof sealing layer 3 is provided with a metal protective shell 5, the metal protective shell 5 is sleeved on the periphery of the rubber tube body 1, and in this embodiment, the metal protective shell 5 is made of stainless steel. Metal protective housing 5 has seted up spout 51 towards one side on flame retardant rubber layer 4 along length direction, one side on flame retardant rubber layer 4 towards metal protective housing 5 is equipped with the slider 43 with spout 51 matched with, be equipped with connecting rod 41 and extension spring 42 between slider 43 and the flame retardant rubber layer 4, connecting rod 41 chooses for use the rubber material to make, the one end and the slider 43 bonding of connecting rod 41 are fixed, the other end and extension spring 42 welded fastening, the one end welding that extension spring 42 kept away from connecting rod 41 is on flame retardant rubber layer 4.

Referring to fig. 2 and 3, the metal protective shell 5 is connected with the sliding groove 51 in a sliding manner through the matching of the sliding block 43, when an operator performs braking operation, the rubber hose body 1 moves in the metal protective shell 5 under the traction of the braking device, at the moment, the sliding block 43 slides along the sliding groove 51, and the extension spring 42 and the connecting rod 41 are arranged to provide a displacement space for the movement of the rubber hose body 1, so that the flexibility of the movement of the rubber hose body 1 is enhanced. The setting of metal protective housing 5 has played the guard action to rubber tube body 1, and the outside of metal protective housing 5 bonds and has had one deck elastic buffer layer 52, and elastic buffer layer 52 chooses for use rubber materials to make, and when metal protective housing 5 received external force striking, elastic buffer layer 52 received striking elasticity to resume, had played buffering and absorbing effect.

The implementation principle of the embodiment is as follows: through set up back up coat 2, fire-proof sealing layer 3, fire-retardant rubber layer 4 and metal protection shell 5 in the outside at rubber tube body 1, played the effect of multiple protection to rubber tube body 1, when the conflagration breaing out, fire is strengthened rubber tube body 1's fire prevention fire resistance by the separation in rubber tube body 1's the outside, has reduced rubber tube body 1 and has been burnt out and lead to the possibility of fuel leakage.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A rubber hose with flame retardant property for automobiles is characterized in that: including rubber tube body (1), the outside of rubber tube body (1) is equipped with back up coat (2), back up coat (2) are the back up coat of being made by the asbestos cloth, steel wire (21) have been set along the axial of rubber tube body (1) in the asbestos cloth, one side that back up coat (2) deviate from rubber tube body (1) is equipped with flame retardant rubber layer (4).

2. The rubber hose for automobiles with flame retardant property according to claim 1, characterized in that: and a fireproof sealing layer (3) is arranged between the flame-retardant rubber layer (4) and the reinforcing layer (2).

3. The rubber hose for automobiles with flame retardant property according to claim 2, characterized in that: a plurality of spacing grooves (23) have been seted up along the outer peripheral edges to reinforcing layer (2) one side towards fire prevention sealing layer (3), fire prevention sealing layer (3) have with spacing groove (23) fixed fit's stopper (31) towards one side rigid coupling of reinforcing layer (2), stopper (31) are the same and integrated into one piece with fire prevention sealing layer (3) material.

4. The rubber hose for automobiles with flame retardant property according to claim 1, characterized in that: the rubber tube body (1) is sleeved with a metal protective shell (5), and the metal protective shell (5) is arranged on one side, deviating from the reinforcing layer (2), of the flame-retardant rubber layer (4) and is connected with the flame-retardant rubber layer (4) in a sliding mode.

5. The rubber hose for automobiles with flame retardant property according to claim 4, characterized in that: one side, facing the metal protective shell (5), of the flame-retardant rubber layer (4) is fixedly provided with a connecting rod (41) and a sliding block (43), one end, far away from the flame-retardant rubber layer (4), of the sliding block (43) is rotatably connected with one end, far away from the flame-retardant rubber layer (4), of the connecting rod (41), one side, facing the flame-retardant rubber layer (4), of the metal protective shell (5) is provided with a sliding groove (51), and the sliding block (43) is embedded in the sliding groove (.

6. The rubber hose for automobiles with flame retardant property according to claim 5, characterized in that: the connecting rod (41) is a connecting rod (41) made of rubber, and an extension spring (42) is fixedly arranged between one end, far away from the sliding block (43), of the connecting rod (41) and the flame-retardant rubber layer (4).

7. The rubber hose for automobile with flame retardant property according to claim 5 or 6, characterized in that: and an elastic buffer layer (52) is fixedly arranged on the outer side of the metal protective shell (5).

8. The rubber hose for automobiles with flame retardant property according to claim 1, characterized in that: the reinforced layer (2) is internally provided with a plurality of steel wire rings (22) in a surrounding mode on the peripheries of the steel wires (21), the steel wire rings (22) are arranged in a plurality along the axial direction of the rubber hose body (1), and the steel wire rings (22) are tightly hooped on the outer sides of the steel wires (21).