CN210355785U - Prevent external corrosion fire control watering hose - Google Patents

Abstract

The utility model discloses an external corrosion prevention fire-fighting sprinkling hose, which comprises a straight pipe, wherein a corrugated pipe is arranged in the straight pipe, one end of the straight pipe is provided with an adapter, the other end of the straight pipe is bottomed and welded with a mesh cover and a binding ring to form a hose group, one end of the bottomed hose group is provided with an outer tooth joint, and the whole anti-sprinkling hose is externally covered with an EPDM rubber outer sleeve and integrally vulcanized; the utility model has the advantages of reasonable design, through with the outside parcel EPDM rubber overcoat of fire control watering hose, bellows and welding bead in the effectual protection fire control watering hose can not corroded by outside corrosive gas, simultaneously the softer deformation that actuates that can not influence fire control watering hose of EPDM rubber overcoat, the EPDM rubber overcoat that vulcanizes will tightly wrap up the stainless steel hose through the cooling shrinkage, through the good acid-base resistance of EPDM rubber overcoat, can effectually resist slight corrosive gas in the external environment, bellows and welding bead in the protection fire control watering hose can not corroded by outside corrosive gas.

Description

Prevent external corrosion fire control watering hose

Technical Field

The utility model belongs to the technical field of the bellows, specifically be a prevent external corrosion fire control watering hose.

Background

The corrugated pipe mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm capsule, a metal hose and the like. The metal corrugated pipe is mainly applied to the effects of compensating the thermal deformation of a pipeline, damping, absorbing the settlement deformation of the pipeline and the like, and is widely applied to the industries of petrifaction, instruments, aerospace, chemical industry, electric power, cement, metallurgy and the like. The corrugated pipe made of other materials such as plastics has irreplaceable effects in the fields of medium conveying, electric power threading, machine tools, household appliances and the like, in some coastal areas or special fields such as chemical plants, electronic factories and the like, because the external environment generally carries a little light corrosive gas, when the conventional fire-fighting sprinkler hose is installed in the special environments, because the corrugated pipe in the fire-fighting sprinkler hose is thin, the corrugated pipe and a welding bead in the fire-fighting sprinkler hose can be corroded and broken after certain time of erosion, and finally the fire-fighting sprinkler hose leaks, and before the sprinkler hose is used, because the two ends of the hose are in a communicated state, some impurities or insects can easily enter the sprinkler hose, the erosion is caused in the sprinkler hose, the quality of the sprinkler hose is influenced, and unnecessary loss is caused.

To solve the problems in the related art, no effective solution has been proposed, and for this purpose, we propose a fire hose for preventing external corrosion.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a prevent external corrosion fire control watering hose has advantages such as the anticorrosive strong, long service life, has solved current watering hose anticorrosive poor, the easy scheduling problem that leaks.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent external corrosion fire control watering hose, includes the straight tube, its characterized in that: be provided with the bellows in the straight tube, straight tube one end is provided with the adapter, the straight tube other end is bottomed and is welded screen panel and bundle ring formation hose group, and the hose group one end of bottoming is provided with outer tooth and connects, the adapter with all be connected with the screwed pipe on the outer tooth connects, two the cover has the tube cap on the screwed pipe, the tube cap with the straight tube surface all is fixed with the connecting block, be connected through the rubber rope between the connecting block on the tube cap and the connecting block on the straight tube, whole anti-watering hose outside covers the EPDM rubber overcoat to whole vulcanization.

In a further improvement, the straight pipe and the adapter are fixed by welding.

In a further improvement, the external tooth joint and the hose set are fixed through welding.

In a further improvement, the threaded pipe is connected with the pipe cover through threads.

In a further improvement, the rubber of the rubber rope is fluororubber.

In a further improvement mode, the connecting block is welded and fixed with the pipe cover and the straight pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides a prevent external corrosion fire control watering hose possesses following beneficial effect:

1. this kind of prevent external corrosion fire control watering hose, structural design is reasonable, through with the outside parcel EPDM rubber overcoat of fire control watering hose, bellows and welding bead in the effectual protection fire control watering hose can not corroded by outside corrosive gas, and EPDM rubber overcoat is softer simultaneously can not influence the deformation that actuates of fire control watering hose.

2. This kind of prevent external corrosion fire control watering hose, threaded connection has the tube cap on the screwed pipe at whole hose both ends, and the tube cap is sealed with whole hose, can avoid some impurity to enter into the hose for the inside protection that provides of hose before not using, guarantees the inside cleanliness factor of hose for the bellows in the hose can not be by the condition of other impurity corrosions.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. an adapter; 2. a straight pipe; 3. an EPDM rubber jacket; 4. a mesh enclosure; 5. a bellows; 6. a collar; 7. an external thread joint; 8. a threaded pipe; 9. a tube cover; 10. connecting blocks; 11. a rubber rope.

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.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a prevent external corrosion fire control watering hose, includes straight tube 2, be provided with bellows 5 in the straight tube 2, 2 one ends of straight tube are provided with adapter 1, 2 other ends of straight tube are bottomed and are welded screen panel 4 and the formation hose group of bundle ring 6, and the hose group one end that has bottomed is provided with outer screwed joint 7, adapter 1 with all be connected with screwed pipe 8 on the outer screwed joint 7, two the cover has tube cap 9 on the screwed pipe 8, tube cap 9 with 2 surfaces of straight tube all are fixed with connecting block 10, be connected through rubber rope 11 between connecting block 10 on the tube cap 9 and the connecting block 10 on the straight tube 2, EPDM rubber coat 3 is covered to whole watering hose outside is prevented to whole vulcanization.

As shown in fig. 1, straight tube 2 with adapter 1 passes through welded fastening, and welded fastening can guarantee the fastness of connection, pass through threaded connection between screwed pipe 8 and the tube cap 9, be convenient for unscrew tube cap 9 from screwed pipe 8, screwed pipe 8 also can with other pipeline threaded connection simultaneously, the rubber of rubber rope 11 adopts fluororubber, and fluororubber corrosion resistance is strong, when the tube cap 9 was unscrewed from screwed pipe 8, rubber rope 11 can be connected with it, and pickup tube cap 9 that can be timely when needing tube cap 9 next time is screwed up it with screwed pipe 8, seals the opening at both ends tightly, guarantees the cleanliness factor in the straight tube 1, welded fastening between connecting block 10 and tube cap 9, the straight tube 2.

The working principle is as follows: the pipe cap 9 covers the threaded pipe 8, the openings at the two ends are sealed, before the hose is used, the inside of the whole hose is in a sealed state, impurities are prevented from entering the hose, cleanliness in the hose is guaranteed, pollution inside the hose is avoided, and the pipe cap 9 at the two ends can be unscrewed and connected with other pipelines through the threaded pipe 8. Meanwhile, the product is integrally vulcanized, in the using process, the vulcanized EPDM rubber jacket 3 can tightly wrap the stainless steel hose through cooling shrinkage, and the vulcanized EPDM rubber jacket 3 can effectively resist slight corrosive gas in the external environment through good acid and alkali resistance of the EPDM rubber jacket, so that the corrugated pipe 5 and the welding bead in the fire-fighting sprinkler hose are protected from being corroded by external corrosive gas.

In summary, the utility model has reasonable structural design, the corrugated pipe 5 and the welding bead in the fire-fighting sprinkler hose are effectively protected from being corroded by external corrosive gas by wrapping the EPDM rubber jacket 3 outside the fire-fighting sprinkler hose, and the EPDM rubber jacket 3 is softer without influencing the actuating deformation of the fire-fighting sprinkler hose; threaded connection has the tube cap on the screwed pipe at whole hose both ends, and the tube cap is sealed whole hose, can avoid some impurity to enter into the hose for the inside cleanliness factor of hose for hose 5 in the hose can not be by the condition of other impurity corrosions before not using for hose inside provides the protection.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 which the reference is made 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.

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 (6)

1. The utility model provides a prevent external corrosion fire control watering hose, includes straight tube (2), its characterized in that: be provided with bellows (5) in straight tube (2), straight tube (2) one end is provided with adapter (1), the straight tube (2) other end is bottomed and is welded screen panel (4) and beam ring (6) formation hose group, and the hose group one end of bottoming is provided with outer tooth and connects (7), adapter (1) with all be connected with screwed pipe (8), two on outer tooth connects (7) the cover has tube cap (9) on screwed pipe (8), tube cap (9) with straight tube (2) surface all is fixed with connecting block (10), be connected through rubber rope (11) between connecting block (10) on tube cap (9) and the straight tube (2), EPDM rubber overcoat (3) on the outside cover of whole anti-watering hose to whole vulcanization.

2. A fire hose according to claim 1, wherein the hose is adapted to prevent external corrosion, and further comprises: the straight pipe (2) and the adapter (1) are fixed through welding.

3. A fire hose according to claim 1, wherein the hose is adapted to prevent external corrosion, and further comprises: the outer tooth joint (7) and the hose set are fixed through welding.

4. A fire hose according to claim 1, wherein the hose is adapted to prevent external corrosion, and further comprises: the threaded pipe (8) is connected with the pipe cover (9) through threads.

5. A fire hose according to claim 1, wherein the hose is adapted to prevent external corrosion, and further comprises: the rubber of the rubber rope (11) is fluororubber.

6. A fire hose according to claim 1, wherein the hose is adapted to prevent external corrosion, and further comprises: the connecting block (10) is fixedly welded with the pipe cover (9) and the straight pipe (2).

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