Copper joint structure for valve

Abstract

The utility model is applicable to the technical field of valve joints, and provides a copper joint structure for a valve, which comprises a hexagonal block, a communicating pipe is transversely and fixedly connected in the hexagonal block, one end of the communicating pipe is communicated with a threaded joint, the other end of the communicating pipe is communicated with a conical pipe, one side surface of the hexagonal block is provided with an annular groove, and the annular groove is communicated with the threaded joint. A connecting ring is detachably arranged in the annular groove, and a sealing piece is fixedly connected to one side face of the connecting ring. According to the copper connector structure for the valve, when a sealing piece is used for a long time and is seriously abraded, a worker can detach a connecting ring, then the worker twists a twisting block to drive a threaded rod to move, and after an abutting block abuts against the surface of the connecting ring, the connecting ring can be pushed to move and abut against the outer portion of a ring groove; a worker can conveniently replace the sealing piece, later maintenance operation on the connector is facilitated, the service life of the connector is prolonged, and the maintenance cost of the connector is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of valve joints, and in particular relates to a copper joint structure for valves. Background Art

[0002] Valves are key control components in fluid conveying systems and have many important functions, such as shutoff, regulation, diversion, prevention of backflow, pressure stabilization, diversion or overflow pressure relief. Valves are pipeline accessories used to open and close pipelines, control flow direction, and adjust and control the parameters of the conveying medium (such as temperature, pressure and flow).

[0003] In the prior art, copper joints are used to tightly connect valves and pipeline systems through threaded connections, flanges, and clamp connections to form a complete fluid delivery channel. However, the seals of the existing copper joint structures for valves are wear parts during use and need to be replaced after long-term use. When replacing, most of the seals are embedded in the groove body, and the removal operation is inconvenient, which is not conducive to the joint inspection and replacement operation. Utility Model Content

[0004] The utility model provides a copper joint structure for valves, aiming to solve the problem that in the existing copper joint structure for valves, a seal is embedded in a groove body during use, and it is inconvenient to remove the seal, which is not conducive to joint inspection and replacement.

[0005] The utility model is realized in this way. A copper joint structure for a valve comprises a hexagonal block, a connecting pipe is transversely fixedly connected inside the hexagonal block, one end of the connecting pipe is connected with a threaded joint, and the other end of the connecting pipe is connected with a tapered pipe;

[0006] A ring groove is formed on one side of the hexagonal block, a connecting ring is detachably arranged inside the ring groove, a sealing member is fixedly connected to one side of the connecting ring, and one side of the sealing member extends to the outside of the ring groove;

[0007] A plurality of receiving grooves are provided on the other side of the annular groove, the internal threads of the receiving grooves are connected with threaded rods, one end of the threaded rods is rotatably connected with a resistance block, and the other end of the threaded rods extends to the outside of the hexagonal block and is fixedly connected with a torsion block.

[0008] Preferably, a plurality of first bolts are provided at the top and bottom of the hexagonal block, the inner ends of the plurality of first bolts are rotated and extended to the inner cavity of the ring groove, the surface of the connecting ring is provided with a card interface adapted to the first bolts, and the outer end of the first bolt is fixedly connected with a twist handle.

[0009] Preferably, the surface of the connecting pipe is sleeved with a clamp composed of two semi-arc plates, and both ends of the semi-arc plates are fixedly connected with connecting ears, a second bolt is provided on the surface of the connecting ear at the rear side, and an opening adapted to the second bolt is opened on the surface of the connecting ear at the front side, the front end of the second bolt passes through the opening and is threadedly connected with a nut.

[0010] Preferably, a non-slip gasket is sleeved on the surface of the second bolt and is located between the nut and the front connecting ear.

[0011] Preferably, surfaces of the hexagonal block, the threaded joint, the connecting pipe and the tapered pipe are all covered with an anti-corrosion coating.

[0012] Preferably, a rubber ring is fixedly connected to the inner wall surface of the semi-arc plate.

[0013] Beneficial Effects

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: a copper joint structure for a valve of the utility model is connected to the valve joint through a threaded joint, and the pipe is sleeved on the surface of the tapered pipe to form a fluid channel. During use, the seal contacts the surface of the valve joint to provide sealing protection to avoid leakage, thereby improving the stability during liquid transportation. When the seal is used for a long time and is severely worn, the staff can remove the connecting ring, and then the staff can twist the twist block to drive the threaded rod to move. After the contact block contacts the surface of the connecting ring, the connecting ring can be pushed to move and the connecting ring can be pushed to the outside of the ring groove, which is convenient for the staff to replace the seal and is conducive to the later inspection and maintenance of the joint, thereby extending the service life of the joint and reducing the maintenance cost of the joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front structural schematic diagram of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the hexagonal block and the threaded rod in the utility model;

[0017] Figure 3 It is a structural schematic diagram of the connecting pipe and the tapered pipe in the utility model.

[0018] In the figure: 1, hexagonal block; 2, threaded joint; 3, connecting pipe; 4, tapered pipe; 5, ring groove; 6, connecting ring; 7, sealing member; 8, first bolt; 9, twist handle; 10, card interface; 11, receiving groove; 12, threaded rod; 13, resistance block; 14, twist block; 15, semi-arc plate; 16, connecting ear; 17, second bolt; 18, nut; 19, anti-slip gasket. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0020] See also Figures 1-3 The utility model provides a technical solution: a copper joint structure for a valve, comprising a hexagonal block 1, a connecting pipe 3 is fixedly connected to the inside of the hexagonal block 1 laterally, one end of the connecting pipe 3 is connected to a threaded joint 2, and the other end of the connecting pipe 3 is connected to a tapered pipe 4.

[0021] An annular groove 5 is formed on one side of the hexagonal block 1 . A connecting ring 6 is disposed inside the annular groove 5 . A sealing member 7 is fixedly connected to one side of the connecting ring 6 . One side of the sealing member 7 extends to the outside of the annular groove 5 .

[0022] A plurality of receiving grooves 11 are provided on the other side of the annular groove 5. A threaded rod 12 is connected to the inner thread of the receiving groove 11. One end of the threaded rod 12 is rotatably connected to a resistance block 13. The other end of the threaded rod 12 extends to the outside of the hexagonal block 1 and is fixedly connected to a torsion block 14.

[0023] After the threaded joint 2 is connected to the valve joint, the pipe is sleeved on the surface of the tapered tube 4 to form a fluid channel. During use, the seal 7 contacts the surface of the valve joint to provide sealing protection, avoid leakage, and improve stability during liquid transportation.

[0024] When the seal 7 is used for a long time and is severely worn, the staff can disassemble the connecting ring 6, and then twist the twist block 14 to drive the threaded rod 12 to move. After the resistance block 13 contacts the surface of the connecting ring 6, the connecting ring 6 can be pushed to move and the connecting ring 6 is pressed against the outside of the ring groove 5, which is convenient for the staff to replace the seal 7 and facilitates the later inspection and maintenance of the joint, thereby extending the service life of the joint and reducing the maintenance cost of the joint.

[0025] Furthermore, a plurality of first bolts 8 are provided at the top and bottom of the hexagonal block 1, and the inner ends of the plurality of first bolts 8 are rotated and extended to the inner cavity of the annular groove 5, and a card interface 10 adapted to the first bolt 8 is provided on the surface of the connecting ring 6, and a twist handle 9 is fixedly connected to the outer end of the first bolt 8.

[0026] In this embodiment, after the connecting ring 6 is embedded in the annular groove 5, the staff can twist the twist handle 9, and after the inner end of the first bolt 8 is embedded in the card interface 10, the connecting ring 6 can be fixed in the annular groove 5, and the seal 7 can be installed and used.

[0027] Further, a hoop composed of two semi-arc plates 15 is sleeved on the surface of the connecting pipe 3. Both ends of the semi-arc plate 15 are fixedly connected with connecting ears 16. A second bolt 17 is arranged on the surface of the rear connecting ear 16. An opening adapted to the second bolt 17 is formed on the surface of the front connecting ear 16. The front end of the second bolt 17 penetrates through the opening and is threadedly connected with a nut 18.

[0028] In this embodiment, after the pipeline is sleeved on the surface of the connecting pipe 3, the hoop composed of two semi-arc plates 15 is sleeved on the outside of the pipeline and connected, so that the pipeline and the connecting pipe 3 can be hermetically fixed.

[0029] Further, an anti-slip gasket 19 is sleeved on the surface of the second bolt 17 and is located between the nut 18 and the front connecting ear 16.

[0030] In this embodiment, the anti-slip gasket 19 improves the anti-slip performance of the nut 18, thereby improving the stability after the pipeline is hermetically fixed.

[0031] Further, anti-corrosion coatings are provided on the surfaces of the hexagonal block 1, the threaded joint 2, the connecting pipe 3 and the conical pipe 4.

[0032] Further, a rubber ring is fixedly connected to the inner wall surface of the semi-arc plate 15.

[0033] The working principle and usage process of the present utility model: After the present utility model is installed, after the threaded joint 2 is connected to the valve joint, the pipeline is sleeved on the surface of the conical pipe 4 to form a fluid channel. During use, the sealing member 7 abuts against the surface of the valve joint for sealing protection to avoid liquid leakage, improve the stability during liquid transportation, and when the sealing member 7 is severely worn after long-term use, the staff can disassemble the connecting ring 6, and then by twisting the torsion block 14 by the staff, the threaded rod 12 is driven to move. After the abutting block 13 abuts against the surface of the connecting ring 6, the connecting ring 6 can be pushed to move, and the connecting ring 6 is pushed to the outside of the annular groove 5, which is convenient for the staff to replace the sealing member 7 and is beneficial to the later maintenance and repair of the joint, and prolongs the service life of the joint.

[0034] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A copper joint structure for a valve, comprising a hexagonal block (1), characterized in that: A connecting pipe (3) is fixedly connected transversely inside the hexagonal block (1), one end of the connecting pipe (3) is connected to a threaded joint (2), and the other end of the connecting pipe (3) is connected to a tapered pipe (4); A ring groove (5) is provided on one side of the hexagonal block (1); a connecting ring (6) is provided inside the ring groove (5) for disassembly; a sealing member (7) is fixedly connected to one side of the connecting ring (6); and one side of the sealing member (7) extends to the outside of the ring groove (5); A plurality of receiving grooves (11) are formed on the other side of the annular groove (5), the internal threads of the receiving grooves (11) are connected to threaded rods (12), one end of the threaded rod (12) is rotatably connected to a resisting block (13), and the other end of the threaded rod (12) extends to the outside of the hexagonal block (1) and is fixedly connected to a torsion block (14).

2. A copper joint structure for a valve as claimed in claim 1, characterized in that: A plurality of first bolts (8) are arranged at the top and bottom of the hexagonal block (1), and the inner ends of the plurality of first bolts (8) are rotated to extend into the inner cavity of the annular groove (5). A card interface (10) adapted to the first bolts (8) is provided on the surface of the connecting ring (6), and a twist handle (9) is fixedly connected to the outer end of the first bolt (8).

3. A copper joint structure for a valve as claimed in claim 1, characterized in that: The surface of the connecting pipe (3) is sleeved with a clamp composed of two semi-arc plates (15), and both ends of the semi-arc plates (15) are fixedly connected with connecting ears (16), and the surface of the connecting ear (16) at the rear side is provided with a second bolt (17), and the surface of the connecting ear (16) at the front side is provided with an opening adapted to the second bolt (17), and the front end of the second bolt (17) passes through the opening and is threadedly connected with a nut (18).

4. A copper joint structure for a valve as claimed in claim 3, characterized in that: The surface of the second bolt (17) is sleeved with an anti-slip gasket (19) located between the nut (18) and the front connecting ear (16).

5. A copper joint structure for a valve as claimed in claim 1, characterized in that: The surfaces of the hexagonal block (1), the threaded joint (2), the connecting pipe (3) and the tapered pipe (4) are all covered with an anti-corrosion coating.

6. A copper joint structure for a valve as claimed in claim 3, characterized in that: A rubber ring is fixedly connected to the inner wall surface of the semi-arc plate (15).

Images