Novel explosion-proof flexible pipe

Abstract

The utility model provides a novel explosion-proof flexible pipe, which relates to the field of explosion-proof flexible pipes, and comprises a metal hose, a protection assembly is arranged on the outer side of the metal hose, two ends of the metal hose are connected with threaded movable joints, the protection assembly comprises an outer rubber layer, an inner rubber layer is arranged on the inner side of the outer rubber layer, and the inner rubber layer is connected with the threaded movable joints. A breathable bag is arranged between the outer rubber layer and the inner rubber layer, mothballs are arranged on the inner side of the breathable bag, a cleaning pipe is arranged on the inner side of the inner rubber layer and is of a pipe body structure, an opening groove is formed in the inner wall of the cleaning pipe, an inserting strip is inserted into a pipe body of the cleaning pipe, and a cleaning strip is arranged on the outer wall of the inserting strip. And a spring strip is arranged in the insertion strip. The mousetrap has the advantages that the cleaning strips are convenient to clean and replace, and rodents such as rats can be prevented from gnawing the mousetrap.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of explosion -proof flexible pipe, concretely relates to a novel explosion -proof flexible pipe. BACKGROUND

[0002] The explosion -proof flexible pipe is also called explosion -proof hose, and is often used in dangerous environments such as oil exploitation, oil refining, chemical industry and military industry and dangerous places such as offshore oil platforms and oil tankers. In order to make the equipment run normally, in addition to the quality of the equipment itself, the most important thing is to install the explosion -proof flexible connecting pipe according to the correct method, and in summary, the explosion -proof flexible connecting pipe needs to have the advantages of fire resistance, corrosion resistance, water resistance, aging resistance, good flexibility, firm structure and the like.

[0003] Through the search, the prior art (announcement number: CN220341926U) records "a self-retracting explosion -proof flexible pipe, including explosion -proof flexible pipe body, the explosion -proof flexible pipe body outside is provided with connecting mechanism, the explosion -proof flexible pipe body outside is provided with cleaning mechanism, the connecting mechanism includes cold shrink tube, the cold shrink tube is arranged on one side of explosion -proof flexible pipe body.A self-retracting explosion -proof flexible pipe, through the design of connecting mechanism, through the auxiliary installation of first sleeve and second sleeve, can avoid the friction between threads, cause the wear and tear of paint surface and other parts on the explosion -proof flexible pipe body, the cold shrink tube can be shrunk to one end of the equipment such as, proximity switch, stopper etc. after the line is passed into the explosion -proof flexible pipe body during use, then the shrinkage position is cold shrunk, so that the phenomenon that the thread cannot be used due to mismatching can be reduced, the explosion -proof flexible pipe body can be directly connected with the equipment, and the waterproof performance of the equipment can be further improved."

[0004] Although the explosion -proof flexible pipe in the prior art realizes thread matching connection and self-cleaning effect, there are still some deficiencies: the cleaning structure involved in the existing explosion -proof flexible pipe is prone to scratching other flexible pipes when sliding when multiple flexible pipes are used at the same time, and the flexible pipe surface on the outer side of the cleaning structure is extruded, and the cleaning layer is not easy to take out and replace, leading to gradually poor cleaning effect after long-term use; in addition, the insulating layer on the outer side of the flexible pipe is prone to being gnawed by mice during use, thereby causing damage to the flexible pipe, and there is a security risk to electrical equipment. UTILITY MODEL CONTENTS

[0005] In order to overcome the defects in the prior art, a novel explosion -proof flexible pipe is provided to solve the problems in the background art.

[0006] In order to achieve the above object, a novel anti-explosion flexible pipe is provided, comprising: a metal hose, a protection assembly is arranged outside the metal hose, and threaded connectors are connected to two ends of the metal hose, the protection assembly comprises an outer rubber layer, an inner rubber layer is arranged inside the outer rubber layer, and a gas-permeable bag is arranged between the outer rubber layer and the inner rubber layer, camphor pills are arranged inside the gas-permeable bag, a cleaning pipe is arranged inside the inner rubber layer, the cleaning pipe is in a pipe body structure, and an open slot is formed in the inner wall of the cleaning pipe, a plug is inserted into the pipe body of the cleaning pipe, a cleaning strip is arranged on the outer wall of the plug, and a spring strip is arranged inside the plug.

[0007] Further, the metal hose comprises an outer protection layer, an inner protection layer is arranged inside the outer protection layer, and a middle protection layer is arranged inside the inner protection layer.

[0008] Further, the outer protection layer is made of cloth-rubber, the middle protection layer is made of reinforced nylon cloth hose sheath, and the inner protection layer is made of a steel wire braided tube.

[0009] Further, the outer rubber layer is provided with air holes, the outer rubber layer and the inner rubber layer are connected to the gas-permeable bag through connecting blocks, and the outer rubber layer and the inner rubber layer are provided with edge seals at two ends.

[0010] Further, the connecting blocks are made of rubber, and the gas-permeable bag is made of a waterproof gas-permeable film.

[0011] Further, the cleaning pipe is fixedly bonded to the inner rubber layer, and the cleaning pipe is slidingly connected to the outer wall of the metal hose, and the length of the cleaning pipe is less than that of the metal hose.

[0012] Further, the cleaning strip is slidingly inserted into the open slot, and the cleaning strip protrudes inwardly from the inner wall of the cleaning pipe.

[0013] The utility model discloses the beneficial effect lies in:

[0014] 1. By the outer protection layer, the middle protection layer and the inner protection layer, the cloth-rubber, the reinforced nylon cloth hose sheath and the steel wire braided tube are used to realize that the metal hose has the effects of fire resistance, oil resistance, water resistance, wear resistance, aging resistance, good flexibility and firm structure.

[0015] 2. By the outer rubber layer, the air holes and the inner rubber layer included in the protection assembly, a protection structure is added outside the outer protection layer, and the stimulating gas volatilized from the camphor pills is diffused out from the waterproof gas-permeable film of the gas-permeable bag and then from the air holes, so that the metal hose is filled with the stimulating odor, and the smell is sensitive to the smell of mice, so that the effect of driving away the mice is realized, and the protection effect against gnawing of the anti-explosion flexible pipe is enhanced.

[0016] 3. Utilizing the opening groove, insert, and cleaning strip included in the cleaning tube, the surface of the metal hose can be cleaned by rotating the cleaning tube (by rotating the protective component) in the circumferential direction of the metal hose, thereby cleaning the surface through the cleaning strip. Then, by moving the cleaning tube axially, the position of the cleaning tube can be moved to other parts of the metal hose, and the rotation cleaning can be performed again. At the same time, the cleaning strip can be pulled out through the insert for replacement or cyclic cleaning. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0018] Figure 2 This is a schematic cross-sectional view of the metal flexible hose according to an embodiment of the present invention.

[0019] Figure 3 This is an embodiment of the present utility model. Figure 2 Schematic diagram of the structure at point A in the middle.

[0020] Figure 4 This is a schematic diagram of one end of the cleaning tube according to an embodiment of the present invention.

[0021] In the diagram: 1. Metal flexible hose; 11. Outer protective layer; 12. Middle protective layer; 13. Inner protective layer; 2. Protective component; 21. Outer rubber layer; 211. Vent; 22. Edge sealing; 23. Inner rubber layer; 24. Connecting block; 25. Breathable bladder; 26. Mothball; 3. Threaded union; 4. Cleaning tube; 41. Opening groove; 42. Insert strip; 421. Cleaning strip; 422. Spring strip. Detailed Implementation

[0022] Reference Figures 1 to 4 As shown, this utility model provides a novel explosion-proof flexible tube, comprising: a metal flexible tube 1, a protective component 2 on the outer side of the metal flexible tube 1, and threaded unions 3 connected to both ends of the metal flexible tube 1; the protective component 2 includes an outer rubber layer 21, an inner rubber layer 23 on the inner side of the outer rubber layer 21, and an air vent 25 between the outer rubber layer 21 and the inner rubber layer 23, with a mothball 26 on the inner side of the air vent 25; a cleaning tube 4 on the inner side of the inner rubber layer 23, the cleaning tube 4 having a tube body structure, an opening groove 41 on the inner wall of the cleaning tube 4, an insert 42 inserted into the tube body of the cleaning tube 4, a cleaning strip 421 on the outer wall of the insert 42, and a spring strip 422 inside the insert 42.

[0023] In this embodiment, the metal hose 1, the protective component 2, the threaded union 3, and the cleaning tube 4 constitute the main structure of the novel explosion-proof flexible tube involved in this application.

[0024] Specifically, the air permeable bag 25 is provided with multiple groups between the outer rubber layer 21 and the inner rubber layer 23, facilitating to increase the amount of camphor pills 26 inside the air permeable bag 25 and prolong the volatilization time of the camphor pills 26.

[0025] Specifically, the open slot 41 is provided with multiple groups on the inner wall of the cleaning pipe 4, and the inner side of the open slot 41 is provided with a communicating plug-in slot, and the plug-in slot is matched with the plug-in slot.

[0026] As a preferred embodiment, by setting the spring strip 422, the strength of the plug-in slot 42 is enhanced, which facilitates the plug-in slot and facilitates the removal from the cleaning pipe 4.

[0027] As shown in Figure 2 and Figure 3 , the metal hose 1 comprises an outer protective layer 11, and the inner side of the outer protective layer 11 is provided with a middle protective layer 12, and the inner side of the middle protective layer 12 is provided with an inner protective layer 13, the outer protective layer 11 is made of cloth rubber, the middle protective layer 12 is made of reinforced nylon cloth hose sheath, and the inner protective layer 13 is made of steel wire woven mesh tube, the outer rubber layer 21 is provided with air holes 211, and the outer rubber layer 21 and the inner rubber layer 23 are connected with the air permeable bag 25 through the connecting block 24, and the outer rubber layer 21 and the inner rubber layer 23 are provided with the sealing edge 22 at both ends, the connecting block 24 is made of rubber material, and the air permeable bag 25 is made of waterproof and air permeable film material, the cleaning pipe 4 is fixedly bonded with the inner rubber layer 23, and the cleaning pipe 4 is slidingly connected to the outer wall of the metal hose 1, and the length of the cleaning pipe 4 is less than that of the metal hose 1, the cleaning strip 421 is slidingly inserted into the open slot 41, and the cleaning strip 421 protrudes inwardly from the inner wall of the cleaning pipe 4.

[0028] As a preferred embodiment, by setting the air holes 211, the volatilized gas of the camphor pills 26 is diffused around the metal hose 1.

[0029] Specifically, the protruding edge of the cleaning strip 421 is provided with a circular arc chamfer, so as to rub against the outer wall of the metal hose 1 when rotating.

[0030] When in use, the outer protective layer, the middle protective layer and the inner protective layer are used to make the metal flexible pipe have the effects of fire resistance, oil resistance, water resistance, wear resistance, aging resistance, good flexibility and firm structure by using the cloth sandwiched rubber, the reinforced nylon cloth soft sleeve and the sandwiched steel wire woven mesh pipe; the outer rubber layer, the air hole and the inner rubber layer included in the protective assembly are used to increase a protective structure on the outside of the outer protective layer, and the stimulating gas volatilized from the camphor pills is diffused out from the waterproof and air-permeable membrane of the air-permeable bag and then from the air hole, so that the metal flexible pipe is filled with the stimulating smell, and the smell is sensitive to the smell of mice, so that the effect of driving away the mice is realized, and the protection effect of preventing the mice from gnawing the explosion-proof flexible pipe is enhanced; the opening groove, the insertion strip and the cleaning strip included in the cleaning pipe are used to clean the surface of the metal flexible pipe by rotating the cleaning pipe in the circumferential direction of the metal flexible pipe (by rotating the protective assembly), so that the surface of the metal flexible pipe is cleaned by the cleaning strip, and then the position of the cleaning pipe is moved to other parts of the metal flexible pipe by moving the cleaning pipe in the axial direction, and the cleaning is rotated again, and the cleaning strip can be pulled out by the insertion strip for replacement or recycling.

[0031] The novel explosion-proof flexible pipe can effectively solve the problems in the background art, and has the effects of convenient cleaning and replacement of the cleaning strip and prevention of gnawing of the mice and other rodents.

Claims

1. A novel explosion-proof flexible tube, comprising: A metal flexible hose (1) is characterized in that: a protective component (2) is provided on the outside of the metal flexible hose (1), and threaded unions (3) are connected to both ends of the metal flexible hose (1). The protective component (2) includes an outer rubber layer (21), and an inner rubber layer (23) is provided on the inner side of the outer rubber layer (21). An air vent (25) is provided between the outer rubber layer (21) and the inner rubber layer (23), and a camphor ball (26) is provided on the inner side of the air vent (25). A cleaning tube (4) is provided on the inner side of the inner rubber layer (23), and the cleaning tube (4) is configured as a tube structure. An opening groove (41) is opened on the inner wall of the cleaning tube (4). A strip (42) is inserted into the tube body of the cleaning tube (4), and a cleaning strip (421) is provided on the outer wall of the strip (42). A spring strip (422) is provided inside the strip (42).

2. The novel explosion-proof flexible tube according to claim 1, characterized in that, The metal hose (1) includes an outer protective layer (11), and a middle protective layer (12) is provided inside the outer protective layer (11), and an inner protective layer (13) is provided inside the middle protective layer (12).

3. The novel explosion-proof flexible tube according to claim 2, characterized in that, The outer protective layer (11) is made of fabric-reinforced rubber, the middle protective layer (12) is made of reinforced nylon fabric hose sheath, and the inner protective layer (13) is made of interlayered steel wire braided mesh tube.

4. The novel explosion-proof flexible tube according to claim 1, characterized in that, The outer rubber layer (21) has air holes (211), and both the outer rubber layer (21) and the inner rubber layer (23) are connected to the air bladder (25) through the connecting block (24), and the outer rubber layer (21) and the inner rubber layer (23) have sealing edges (22) at both ends.

5. A novel explosion-proof flexible tube according to claim 4, characterized in that, The connecting block (24) is made of rubber, and the air bladder (25) is made of waterproof and breathable membrane material.

6. A novel explosion-proof flexible tube according to claim 1, characterized in that, The cleaning tube (4) is fixedly bonded to the inner rubber layer (23), and the cleaning tube (4) is slidably connected to the outer wall of the metal hose (1), and the length of the cleaning tube (4) is less than that of the metal hose (1).

7. A novel explosion-proof flexible tube according to claim 1, characterized in that, The cleaning strip (421) is slidably inserted into the opening groove (41), and the cleaning strip (421) protrudes inward from the inner wall of the cleaning tube (4).

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