Metal-coated hose with protective structure
By designing a protective sleeve structure on the metal-clad hose, including a rotatable and deployable metal sleeve collar, a cladding sleeve leather, a buffer pad, abrasion-resistant head and flame-retardant PVC protective layer, the existing metal-clad hose is easily worn and replaced, achieving higher wear resistance and lower replacement cost.
Patent Information
- Application Number
- CN202421666873.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-07-15
AI Technical Summary
The outer layer of the existing metal-clad hose is prone to wear or breakage when used, and the overall structure needs to be replaced as a whole, resulting in a high replacement cost.
A metal-covered hose with a protective structure is designed, which adopts a protective sleeve structure, including a rotatable and deployable metal collar, a cladding cover, a buffer pad, a wear-resistant head and a flame-retardant PVC protective layer. Through these components, the hose's wear-resistant, corrosion-resistant and rat-bite-resistant performance is improved and its replacement is convenient.
It effectively improves the wear resistance of the metal-clad hose and reduces the replacement cost. The disassembly design of the protective sleeve makes it necessary to replace only the damaged part during replacement, reducing the complexity and cost of replacement.
Smart Images

Figure CN222732313U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of metal coated hoses, in particular to a metal coated hose with a protective structure. Background Art
[0002] Metal-coated hoses are often used in the connection and ventilation of household gas stoves and other equipment. The metal-coated hose mainly consists of a three-layer structure. The innermost rubber hose is covered with a metal wire braided layer on the outside. The metal wire braided layer is strong and easy to bend, which can effectively protect the inner rubber hose. The outside of the metal wire braided layer is covered with a PCV protective layer to ensure the safe use of gas appliances.
[0003] However, the outer layer of the existing metal-coated hose is easily damaged due to wear or rat bites during use, and because its structure is an integral structure, it needs to be replaced as a whole, which makes the replacement cost high. Therefore, those skilled in the art provide a metal-coated hose with a protective structure to solve the problems raised in the above background technology. Utility Model Content
[0004] The purpose of the utility model is to provide a metal coated hose with a protective structure to solve the following technical problems:
[0005] How to improve the wear resistance of metal coated hoses and reduce replacement costs.
[0006] The purpose of the utility model can be achieved through the following technical solutions:
[0007] A metal-clad hose with a protective structure comprises a tube body, both ends of the tube body are fixedly sleeved with interfaces, and a protective sleeve is sleeved between the two interfaces;
[0008] The protective sleeve comprises two rotatable and unfoldable metal rings, both ends of the metal rings are fixedly connected with connectors, and the two connectors are fixedly connected by screws;
[0009] A covering sheath is fixedly connected between the two metal rings, the covering sheath covers the outer end of the tube body, and the seams of the covering sheath are bonded and connected by bonding strips;
[0010] A plurality of buffer rubber pads are evenly and fixedly connected to the inner side of the covering sheath, and the inner ends of the buffer rubber pads are bonded and connected to the outer surface of the tube body.
[0011] Furthermore, the covering sheath comprises a first flame-retardant PVC protective layer, and an outer metal braided mesh is fixedly connected to the inner side of the first flame-retardant PVC protective layer;
[0012] Furthermore, a plurality of wear-resistant heads are evenly and fixedly connected to the outer surface of the first flame-retardant PVC protective layer, and metal wires are fixedly embedded inside the wear-resistant heads;
[0013] Furthermore, the tube body comprises a rubber layer, the outer end of the rubber layer is fixedly coated with an inner metal braided mesh, the outer end of the inner metal braided mesh is fixedly coated with a second flame-retardant PVC protective layer, and the rubber layer and the end are fixedly coated on the inner side of the interface;
[0014] Furthermore, a clamping convex ring is fixedly connected to the inner side of the interface, and the clamping convex ring is clamped with the rubber layer;
[0015] Furthermore, the outer ends of the two interfaces are rotatably sleeved with screw joints;
[0016] Furthermore, a card slot is provided on the outer side of the rear end of the two interfaces, and a card block is fixedly connected to the inner side of the metal ring at even intervals, and the card block is card-engaged with the card slot;
[0017] Furthermore, the interface is made of stainless steel;
[0018] Beneficial effects of the utility model:
[0019] The utility model proposes a metal sheathed hose with a protective structure, in which a protective sleeve is arranged at the outer end of the tube body, which can effectively protect the internal tube body and has the functions of wear resistance, corrosion resistance and rat bite resistance. At the same time, a plurality of buffer rubber pads are arranged between the protective sleeve and the tube body. The buffer rubber pads are soft in texture and can effectively play a buffering role. When a collision occurs, the impact on the internal tube body can be reduced. The functions are comprehensive. In addition, the protective sleeve is connected to the interface through a metal sleeve and is detachable. It can be easily replaced after damage and has low use cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The utility model is further described below in conjunction with the accompanying drawings.
[0021] Figure 1 This is the overall structural diagram of a metal-clad hose with a protective structure proposed by the utility model;
[0022] Figure 2 This is a structural diagram of the connection between the interface and the pipe body of a metal-clad hose with a protective structure proposed by the utility model;
[0023] Figure 3 This is a structural diagram of a protective sleeve of a metal-clad hose with a protective structure proposed by the utility model;
[0024] Figure 4 It is a partial cross-sectional view of a metal-clad hose with a protective structure proposed by the utility model;
[0025] Figure 5 yes Figure 4 Enlarged view of point A in the middle.
[0026] Reference numerals:
[0027] 1. Interface; 2. Screw joint; 3. Protective sleeve; 31. Metal ring; 32. Block; 33. Connector; 34. Screw; 35. Covering sheath; 351. First flame-retardant PVC protective layer; 352. Outer metal braided mesh; 36. Wear-resistant head; 37. Buffer rubber pad; 38. Adhesive strip; 39. Metal wire; 4. Tube body; 41. Rubber layer; 42. Inner metal braided mesh; 43. Second flame-retardant PVC protective layer; 5. Slot; 6. Snap-on convex ring. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0029] Please see attached Figures 1 to 5 As shown, a metal-clad hose with a protective structure in an embodiment of the utility model comprises a tube body 4 , both ends of the tube body 4 are fixedly sleeved with interfaces 1 , and a protective sleeve 3 is sleeved between the two interfaces 1 .
[0030] The protective sleeve 3 includes two rotatable and unfoldable metal rings 31, both ends of the metal rings 31 are fixedly connected with connectors 33, the two connectors 33 are fixedly connected by screws 34, a covering sheath 35 is fixedly connected between the two metal rings 31, the covering sheath 35 is covered on the outer end of the tube body 4, and the seams of the covering sheath 35 are bonded and connected by adhesive strips 38. When the metal ring 31 is in use, the screws 34 between the two connectors 33 are unscrewed, and the metal ring 31 can be unfolded, and then the adhesive strip 38 is torn off, so that the covering sheath 35 can be unfolded, thereby removing the protective sleeve 3.
[0031] A plurality of buffer rubber pads 37 are evenly and fixedly connected to the inner side of the covering sheath 35. The inner ends of the buffer rubber pads 37 are bonded and connected to the outer surface of the tube body 4. The buffer rubber pads 37 are made of flame-retardant rubber. The buffer rubber pads 37 are soft in texture and can effectively serve as buffers. When a collision occurs, the impact on the internal tube body 4 can be reduced, and the functions are comprehensive.
[0032] The covering sheath 35 includes a first flame-retardant PVC protective layer 351, and an outer metal braided mesh 352 is fixedly connected to the inner side of the first flame-retardant PVC protective layer 351. The outer metal braided mesh 352 is made of stainless steel. By arranging the first flame-retardant PVC protective layer 351 and the outer metal braided mesh 352, the covering sheath 35 has a strong protective effect, is wear-resistant and corrosion-resistant, has a strong anti-rat bite effect, and has high reliability.
[0033] The outer surface of the first flame-retardant PVC protective layer 351 is evenly fixedly connected with a plurality of wear-resistant heads 36, and metal wires 39 are fixedly embedded inside the wear-resistant heads 36. The wear-resistant heads 36 can improve the wear-resistant effect of the first flame-retardant PVC protective layer 351. By fixing and embedding the metal wires 39 inside the wear-resistant heads 36, the toughness of the wear-resistant heads 36 can be improved.
[0034] The tube body 4 includes a rubber layer 41 , the outer end of the rubber layer 41 is fixedly coated with an inner metal braided mesh 42 , the outer end of the inner metal braided mesh 42 is fixedly coated with a second flame-retardant PVC protective layer 43 , and the rubber layer 41 and the end are fixedly coated on the inner side of the interface 1 .
[0035] The inner side of the interface 1 is fixedly connected with a snap-fitting convex ring 6, which is snap-fitted with the rubber layer 41. The provision of the snap-fitting convex ring 6 can improve the connection stability between the interface 1 and the rubber layer 41, making it less likely for the interface 1 to become loose, and making it highly reliable to use.
[0036] The outer ends of the two interfaces 1 are both rotatably sleeved with screw joints 2, and the screw joints 2 are used to connect external pipelines.
[0037] A card slot 5 is provided on the outer side of the rear end of the two interfaces 1, and a card block 32 is evenly fixedly connected to the inner side of the metal ring 31, and the card block 32 is engaged with the card slot 5. Through the setting of the card block 32, the metal ring 31 can be stably connected and fixed to the interface 1 after installation.
[0038] The interface 1 is made of stainless steel. The interface 1 made of stainless steel has high strength, corrosion resistance and high reliability.
[0039] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.
Claims
1. A metal-clad hose with a protective structure, comprising a tube body (4), characterized in that: Both ends of the tube body (4) are fixedly sleeved with interfaces (1), and a protective sleeve (3) is sleeved between the two interfaces (1); The protective sleeve (3) comprises two rotatable and unfoldable metal rings (31), both ends of the metal rings (31) are fixedly connected with connectors (33), and the two connectors (33) are fixedly connected by screws (34); A covering sheath (35) is fixedly connected between the two metal rings (31), the covering sheath (35) covers the outer end of the tube body (4), and the seams of the covering sheath (35) are bonded and connected by bonding strips (38); A plurality of buffer rubber pads (37) are fixedly connected at even intervals to the inner side of the covering sheath (35), and the inner ends of the buffer rubber pads (37) are bonded to the outer surface of the tube body (4).
2. The metal-clad hose with a protective structure according to claim 1, characterized in that: The covering sheath (35) comprises a first flame-retardant PVC protective layer (351), and an outer metal braided mesh (352) is fixedly connected to the inner side of the first flame-retardant PVC protective layer (351).
3. The metal-clad hose with a protective structure according to claim 2, characterized in that: The outer surface of the first flame-retardant PVC protective layer (351) is evenly and fixedly connected with a plurality of wear-resistant heads (36), and metal wires (39) are fixedly embedded inside the wear-resistant heads (36).
4. The metal-clad hose with a protective structure according to claim 1, characterized in that: The tube body (4) comprises a rubber layer (41), the outer end of the rubber layer (41) is fixedly coated with an inner metal braided mesh (42), the outer end of the inner metal braided mesh (42) is fixedly coated with a second flame-retardant PVC protective layer (43), and the rubber layer (41) and the end are fixedly coated on the inner side of the interface (1).
5. The metal-clad hose with a protective structure according to claim 4, characterized in that: A snap-fitting convex ring (6) is fixedly connected to the inner side of the interface (1), and the snap-fitting convex ring (6) is snap-fitted to the rubber layer (41).
6. The metal-clad hose with a protective structure according to claim 1, characterized in that: The outer ends of the two interfaces (1) are both rotatably sleeved with screw joints (2).
7. The metal-clad hose with a protective structure according to claim 1, characterized in that: The rear ends of the two interfaces (1) are both provided with card slots (5), and the inner sides of the metal rings (31) are evenly and fixedly connected with card blocks (32), and the card blocks (32) are card-engaged with the card slots (5).
8. The metal-clad hose with a protective structure according to claim 1, characterized in that: The interface (1) is made of stainless steel.