Metal-coated hose convenient to fasten

The combined design of threaded connectors and sealing components solves the problems of tightness and airtightness of metal-coated hoses when connecting gas pipelines and gas furniture, achieving higher tightness and sealing performance and reducing the risk of gas leakage.

CN223344956UActive Publication Date: 2025-09-16陈甲 +4
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422887415.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-09-16
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

When existing metal-coated hoses are connected to gas pipes and gas furniture, they are easily rusted when fastened with simple nuts, resulting in poor air tightness and easy leakage, posing a safety hazard.

Method used

The combined design of threaded connector, connecting sleeve, sealing assembly, fixing assembly, installation assembly and fastening assembly is adopted. Through the engagement of internal thread connection, sealing groove and sealing ring, combined with the elastic deformation of scroll spring, the fastening and sealing performance are improved.

Benefits of technology

The fastening connection and air tightness of the metal sheathed hose are improved, the risk of gas leakage is reduced, and the safety of the device is enhanced.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223344956U_ABST
    Figure CN223344956U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of metal coated hoses, in particular to a metal coated hose convenient to fasten. The utility model provides a metal coated hose convenient to fasten. The metal coated hose convenient to fasten comprises a metal hose body, a connecting sleeve, a connecting pipe, a threaded connector, an internal thread, a sealing assembly, a fixing assembly, a mounting assembly and a fastening assembly. Compared with the problems that in the using process of a traditional metal-coated hose, the air tightness of the connecting position is poor, gas leakage is likely to be caused, and therefore the fastening connection and sealing performance of a device is inconvenient to improve, the metal-coated hose is characterized in that a threaded connector and a connecting sleeve are installed through an internal thread, and then the threaded connector is connected with the connecting sleeve through an external thread; one end of the connecting sleeve is tightly connected with one end of the metal hose, then one end of the connecting pipe is inserted into the other end of the connecting sleeve, then one end of the connecting pipe is limited and fixed through the mounting assembly and the fixing assembly, and finally, the mounting assembly and the fixing assembly are fastened and mounted through the fastening assembly. Therefore, the fastening connection and sealing performance of the device can be improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of metal-clad hoses, in particular to a metal-clad hose that is easy to fasten. Background Art

[0002] The metal-clad hose is a hose with dual functions of protection and connection, consisting of a metal tube and a rubber tube. The outside of the metal tube is covered with a layer of PVC plastic protective layer, and the inside is a retractable stainless steel metal hose. There is also a layer of high-pressure resistant braided mesh between the inner and outer layers. In actual use, most metal-clad hoses are connected to gas pipes and gas furniture using simple nuts for tightening. Although this can tighten the metal-clad hose, the nuts will rust over time due to air corrosion, making it inconvenient to tighten. In addition, the air tightness of the connection is poor. The simple nuts cannot completely seal the gas pipeline, and are very likely to cause gas leakage, resulting in safety accidents, and thus making it inconvenient to improve the fastening connection and sealing performance of the device.

[0003] Therefore, in order to solve the above-mentioned problem of inconvenience in improving the fastening connection and sealing performance of the device, a metal-clad hose that is easy to fasten can be designed. Utility Model Content

[0004] In order to overcome the problem that most metal sheathed hoses are connected to gas pipes and gas furniture using simple nuts for tightening. Although this can tighten the metal sheathed hoses, the nuts will rust over time under the corrosion of the air, making it inconvenient to tighten. In addition, the air tightness of the connection is poor. The simpler nuts cannot completely seal the gas pipes, and are very likely to cause gas leakage, resulting in safety accidents, and making it inconvenient to improve the fastening connection and sealing performance of the device.

[0005] The technical solution of the utility model is: a metal-clad hose that is easy to fasten, comprising a metal hose, a connecting sleeve, a connecting pipe, a threaded connector, an internal thread, a sealing assembly, a fixing assembly, an installation assembly and a fastening assembly; a threaded connector is provided at one end of the metal hose, a connecting sleeve is provided at one end of the metal hose, an internal thread is provided on the inner wall of the connecting sleeve, the threaded connector is threadedly connected to the connecting sleeve through the internal thread, a sealing assembly is provided on one side of the connecting sleeve, a connecting pipe is provided on the other side of the connecting sleeve, a fixing assembly is provided on the side wall of the connecting sleeve, an installation assembly is provided on the side wall of the connecting sleeve, and a fastening assembly is provided on the side wall of the fixing assembly.

[0006] Preferably, when the metal sheathed hose is in use, first, the threaded connector is installed with the connecting sleeve through the internal thread, then, one end of the connecting sleeve is tightly connected to one end of the metal hose, then, one end of the connecting pipe is inserted into the other end of the connecting sleeve, and then one end of the connecting pipe is limited and fixed by the installation component and the fixing component, finally, the installation component and the fixing component are fastened and installed by the fastening component. In addition, the sealing performance between the two pipes can be improved by the sealing component. According to the above-mentioned multiple groups of components cooperating with each other, the fastening connection and sealing performance of the device can be improved.

[0007] Preferably, the sealing assembly includes a connecting sealing groove and a connecting sealing ring; a connecting sealing groove is provided on the pipe wall of the metal hose, and a connecting sealing ring is provided at one end of the connecting sleeve, and the connecting sealing ring is engaged and connected with the connecting sealing groove; when the threaded connector and the connecting sleeve are installed and fixed, the connecting sealing ring is engaged and connected with the connecting sealing groove, thereby improving the sealing performance between the two pipes.

[0008] Preferably, the sealing assembly also includes a receiving sealing groove and a receiving sealing ring; a receiving sealing groove is provided on the inner wall of the connecting sleeve, and a receiving sealing ring is provided at one end of the connecting pipe, and the receiving sealing ring is engaged with the receiving sealing groove; when one end of the connecting pipe is inserted into the other end of the connecting sleeve, the receiving sealing ring is engaged with the receiving sealing groove, thereby improving the sealing performance between the two pipes.

[0009] Preferably, the fixing assembly includes a fixing block, a fixing rod, a fixing sleeve and a friction surface; a fixing block is provided on the side wall of the connecting sleeve, and two groups of fixing blocks are provided. A fixing rod is provided on one side of the fixing block, and a fixing sleeve is provided on the outside of the fixing rod. A friction surface is provided on the inner wall of the fixed sleeve; when one end of the connecting pipe is inserted into the other end of the connecting sleeve, the connecting pipe can be supported and lifted by the fixing sleeve, and the friction surface can improve the tightness of the connection between the two pipes.

[0010] Preferably, the mounting assembly includes a mounting block, a mounting shaft and a mounting hole; a mounting block is provided on the side wall of the connecting sleeve, a mounting hole is provided inside the mounting block, and a mounting shaft is provided inside the mounting hole; the mounting assembly is adjusted and rotated by the mounting shaft.

[0011] Preferably, the mounting assembly also includes a vortex spring and an adjusting sleeve; a vortex spring is provided at one end of the mounting shaft, one end of the vortex spring is fixedly connected to the inner wall of the mounting hole, the other end of the vortex spring is fixedly connected to one end of the mounting shaft, and an adjusting sleeve is provided on the outside of the mounting shaft; by adjusting and rotating the adjusting sleeve to fit with the fixed sleeve, the adjusting sleeve and the fixed sleeve can be fastened and installed through the fastening assembly. When the fastening assembly is disassembled, the vortex spring can drive the adjusting sleeve to rotate and open through the mounting shaft according to the rebound force generated by the elastic deformation of the vortex spring.

[0012] Preferably, the fastening assembly includes a fastening threaded hole, a fastening bolt and a fastening nut; a fastening threaded hole is opened on the side wall of the adjusting sleeve, and two groups of fastening threaded holes are opened, and the other fastening threaded hole is opened inside the fixed sleeve, and a fastening bolt is provided inside the fastening threaded hole, and the fastening bolt is threadedly connected to the fastening threaded hole, and a fastening nut is provided at one end of the fastening bolt, and the fastening nut is threadedly connected to the fastening bolt; by inserting the fastening bolt into the fastening threaded hole, and then fastening and installing one end of the fastening nut to one end of the fastening bolt, the fixed sleeve and the adjusting sleeve can be fastened and installed.

[0013] Beneficial effects of the utility model:

[0014] 1. Compared with traditional metal-clad hoses, most metal-clad hoses are connected to gas pipes and gas furniture using simple nuts for tightening during use. After a long time, the nuts will rust under the corrosion of air, which is inconvenient to tighten. In addition, the air tightness of the connection is poor, which easily causes gas leakage, and thus it is inconvenient to improve the fastening connection and sealing performance of the device. The metal-clad hose installs the threaded connector with the connecting sleeve through the internal thread, and then one end of the connecting sleeve is tightly connected to one end of the metal hose. Subsequently, one end of the connecting pipe is inserted into the other end of the connecting sleeve, and then one end of the connecting pipe is limited and fixed by the installation component and the fixing component. Finally, the installation component and the fixing component are fastened and installed by the fastening component. In addition, the sealing performance between the two pipes can be improved by the sealing component. According to the cooperation of the above-mentioned multiple groups of components, the fastening connection and sealing performance of the device can be improved;

[0015] 2. When the metal-clad hose is in use, first, install the threaded connector with the connecting sleeve through the internal thread, and the connecting sealing ring is snap-connected with the connecting sealing groove. Then, one end of the connecting sleeve is tightly connected with one end of the metal hose, and the receiving sealing ring is snap-connected with the receiving sealing groove. Subsequently, one end of the connecting pipe is inserted into the other end of the connecting sleeve. By adjusting and rotating the adjusting sleeve until it fits with the fixed sleeve, the fastening bolt is inserted into the fastening threaded hole, and then one end of the fastening nut is fastened with one end of the fastening bolt. In this way, the fixed sleeve and the adjusting sleeve can be fastened and installed, thereby improving the fastening connection and sealing performance of the device.

[0016] 3. By adjusting and rotating the adjusting sleeve until it fits with the fixed sleeve, the adjusting sleeve and the fixed sleeve can be fastened and installed through the fastening assembly. When the fastening assembly is disassembled, the spiral spring can drive the adjusting sleeve to rotate and open through the installation shaft according to the rebound force generated by the elastic deformation of the spiral spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Shown is a schematic diagram of a first three-dimensional structure of a metal-clad hose that is easy to fasten according to the present invention;

[0018] Figure 2 Shown is a schematic diagram of a first partial three-dimensional structure of a metal-clad hose that is easy to fasten according to the present invention;

[0019] Figure 3 Shown is a schematic diagram of a second partial three-dimensional structure of a metal-clad hose that is easy to fasten according to the present invention;

[0020] Figure 4 Shown is a schematic diagram of a third partial three-dimensional structure of a metal-clad hose that is easy to fasten according to the present invention;

[0021] Figure 5 Shown is a schematic diagram of a fourth partial three-dimensional structure of a metal-clad hose that is easy to fasten according to the present invention;

[0022] Explanation of the accompanying drawings: 1. Metal hose; 2. Connecting sleeve; 3. Connecting pipe; 4. Threaded connector; 5. Internal thread; 101. Connecting sealing groove; 102. Connecting sealing ring; 103. Receiving sealing groove; 104. Receiving sealing ring; 201. Fixing block; 202. Fixing rod; 203. Fixing sleeve; 204. Friction surface; 301. Mounting block; 302. Mounting shaft; 303. Mounting hole; 304. Volute spring; 305. Adjusting sleeve; 401. Fastening threaded hole; 402. Fastening bolt; 403. Fastening nut. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] See also Figure 1 The utility model provides an embodiment: a metal-clad hose that is easy to fasten, including a metal hose 1, a connecting sleeve 2, a connecting pipe 3, a threaded connector 4, an internal thread 5, a sealing assembly, a fixing assembly, an installation assembly and a fastening assembly; a threaded connector 4 is provided at one end of the metal hose 1, a connecting sleeve 2 is provided at one end of the metal hose 1, an internal thread 5 is provided on the inner wall of the connecting sleeve 2, the threaded connector 4 is threadedly connected to the connecting sleeve 2 through the internal thread 5, a sealing assembly is provided on one side of the connecting sleeve 2, a connecting pipe 3 is provided on the other side of the connecting sleeve 2, a fixing assembly is provided on the side wall of the connecting sleeve 2, an installation assembly is provided on the side wall of the connecting sleeve 2, and a fastening assembly is provided on the side wall of the fixing assembly.

[0025] See also Figure 2, the sealing assembly includes a connecting sealing groove 101 and a connecting sealing ring 102; a connecting sealing groove 101 is provided on the pipe wall of the metal hose 1, and a connecting sealing ring 102 is provided at one end of the connecting sleeve 2, and the connecting sealing ring 102 is engaged with the connecting sealing groove 101; when the threaded connector 4 and the connecting sleeve 2 are installed and fixed, the connecting sealing ring 102 is engaged with the connecting sealing groove 101, thereby improving the sealing performance between the two pipes; the sealing assembly also includes a receiving sealing groove 103 and a receiving sealing ring 104; a receiving sealing groove 103 is provided on the inner wall of the connecting sleeve 2, and a receiving sealing ring 104 is provided at one end of the connecting pipe 3, and the receiving sealing ring 104 is engaged with the receiving sealing groove 103; when one end of the connecting pipe 3 is inserted After the other end of the connecting sleeve 2 is connected, the receiving sealing ring 104 is engaged with the receiving sealing groove 103, thereby improving the sealing performance between the two pipes; the fixing assembly includes a fixing block 201, a fixing rod 202, a fixing pipe sleeve 203 and a friction surface 204; a fixing block 201 is provided on the side wall of the connecting sleeve 2, and two groups of fixing blocks 201 are provided. A fixing rod 202 is provided on one side of the fixing block 201, and a fixing pipe sleeve 203 is provided on the outside of the fixing rod 202, and a friction surface 204 is provided on the inner wall of the fixed pipe sleeve 203; when one end of the connecting pipe 3 is inserted into the other end of the connecting sleeve 2, the connecting pipe 3 can be supported and lifted by the fixing pipe sleeve 203, and the tightness of the connection between the two pipes can be improved by the friction surface 204.

[0026] See also Figure 3-5When the bolt 302 is in the unlock position, the screw 303 is tightened to the unlock position, and the screw 303 is tightened to the unlock position. 4 The volute spring 304 can drive the adjusting sleeve 305 to rotate and open through the mounting shaft 302 by the rebound force generated by the elastic deformation; the fastening assembly includes a fastening threaded hole 401, a fastening bolt 402 and a fastening nut 403; a fastening threaded hole 401 is opened on the side wall of the adjusting sleeve 305, and two groups of fastening threaded holes 401 are opened. The other fastening threaded hole 401 is opened in the interior of the fixed sleeve 203, and a fastening bolt 402 is provided in the interior of the fastening threaded hole 401. The fastening bolt 402 is threadedly connected with the fastening threaded hole 401, and a fastening nut 403 is provided at one end of the fastening bolt 402. The fastening nut 403 is threadedly connected with the fastening bolt 402; by inserting the fastening bolt 402 into the fastening threaded hole 401 and then fastening and installing one end of the fastening nut 403 with one end of the fastening bolt 402, the fixed sleeve 203 and the adjusting sleeve 305 can be fastened and installed.

[0027] When the metal sheathed hose is in use, first, the threaded connector 4 is installed with the connecting sleeve 2 through the internal thread 5, and the connecting sealing ring 102 is engaged with the connecting sealing groove 101;

[0028] Then, one end of the connecting sleeve 2 is tightly connected to one end of the metal hose 1, and the receiving sealing ring 104 is engaged with the receiving sealing groove 103;

[0029] Then, insert one end of the connecting pipe 3 into the other end of the connecting sleeve 2, adjust and rotate the adjusting sleeve 305 until it fits with the fixed sleeve 203, and then insert the fastening bolt 402 into the fastening threaded hole 401;

[0030] Then, one end of the fastening nut 403 is fastened to one end of the fastening bolt 402 , so that the fixed pipe sleeve 203 and the adjusting pipe sleeve 305 can be fastened to each other, thereby improving the fastening connection and sealing performance of the device.

[0031] Through the above steps, when the metal sheathed hose is in use, first, the threaded connector 4 is installed with the connecting sleeve 2 through the internal thread 5, and then, one end of the connecting sleeve 2 is tightly connected with one end of the metal hose 1, and then, one end of the connecting pipe 3 is inserted into the other end of the connecting sleeve 2, and then one end of the connecting pipe 3 is limited and fixed by the installation component and the fixing component, and finally, the installation component and the fixing component are fastened and installed by the fastening component. In addition, the sealing performance between the two pipes can be improved by the sealing component. According to the cooperation of the above-mentioned multiple groups of components, the fastening connection and sealing performance of the device can be improved.

[0032] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the purpose of the present invention.

Claims

1. A metal-clad hose that is easy to fasten, comprising a metal hose (1); characterized in that: The invention also includes a connecting sleeve (2), a connecting pipe (3), a threaded connector (4), an internal thread (5), a sealing component, a fixing component, an installation component and a fastening component; a threaded connector (4) is provided at one end of the metal hose (1), a connecting sleeve (2) is provided at one end of the metal hose (1), an internal thread (5) is provided on the inner wall of the connecting sleeve (2), the threaded connector (4) is threadedly connected to the connecting sleeve (2) through the internal thread (5), a sealing component is provided on one side of the connecting sleeve (2), a connecting pipe (3) is provided on the other side of the connecting sleeve (2), a fixing component is provided on the side wall of the connecting sleeve (2), an installation component is provided on the side wall of the connecting sleeve (2), and a fastening component is provided on the side wall of the fixing component.

2. The metal-clad hose that is easy to fasten according to claim 1, characterized in that: The sealing assembly comprises a connecting sealing groove (101) and a connecting sealing ring (102); the connecting sealing groove (101) is provided on the tube wall of the metal hose (1), and a connecting sealing ring (102) is provided at one end of the connecting sleeve (2); the connecting sealing ring (102) is engaged and connected with the connecting sealing groove (101).

3. The metal-clad hose that is easy to fasten according to claim 1, characterized in that: The sealing assembly further comprises a receiving sealing groove (103) and a receiving sealing ring (104); the receiving sealing groove (103) is provided on the inner wall of the connecting sleeve (2), and a receiving sealing ring (104) is provided at one end of the connecting pipe (3); the receiving sealing ring (104) is engaged with the receiving sealing groove (103).

4. The metal-clad hose that is easy to fasten according to claim 1, characterized in that: The fixing assembly comprises a fixing block (201), a fixing rod (202), a fixing sleeve (203) and a friction surface (204); a fixing block (201) is provided on the side wall of the connecting sleeve (2); two groups of fixing blocks (201) are provided; a fixing rod (202) is provided on one side of the fixing block (201); a fixing sleeve (203) is provided outside the fixing rod (202); and a friction surface (204) is provided on the inner wall of the fixing sleeve (203).

5. The metal-clad hose that is easy to fasten according to claim 1, characterized in that: The mounting assembly comprises a mounting block (301), a mounting shaft (302) and a mounting hole (303); the mounting block (301) is provided on the side wall of the connecting sleeve (2), the mounting hole (303) is provided inside the mounting block (301), and the mounting shaft (302) is provided inside the mounting hole (303).

6. The metal-clad hose that is easy to fasten according to claim 5, characterized in that: The mounting assembly further comprises a vortex spring (304) and an adjusting sleeve (305); a vortex spring (304) is provided at one end of the mounting shaft (302), one end of the vortex spring (304) is fixedly connected to the inner wall of the mounting hole (303), the other end of the vortex spring (304) is fixedly connected to one end of the mounting shaft (302), and an adjusting sleeve (305) is provided outside the mounting shaft (302).

7. The metal-clad hose that is easy to fasten according to claim 6, characterized in that: The fastening assembly includes a fastening threaded hole (401), a fastening bolt (402) and a fastening nut (403); a fastening threaded hole (401) is provided on the side wall of the adjusting sleeve (305), two groups of fastening threaded holes (401) are provided, the other fastening threaded hole (401) is provided inside the fixed sleeve (203), a fastening bolt (402) is provided inside the fastening threaded hole (401), the fastening bolt (402) is threadedly connected to the fastening threaded hole (401), and a fastening nut (403) is provided at one end of the fastening bolt (402), and the fastening nut (403) is threadedly connected to the fastening bolt (402).