CN209818974U - A joint assembly - Google Patents

Abstract

The utility model discloses a joint assembly, which belongs to the technical field of pipeline connection. The joint assembly includes a joint, a transition screw sleeve and an elastic clamping ring connecting the joint with the transition screw sleeve. One end of the transition screw sleeve is provided with a There is an external thread for connecting the oil hole, and the other end is provided with a flange that crimps the elastic clamping ring on the end face of the oil hole, and a clamping structure is provided between the elastic clamping ring and the flange. A spherical structure is provided at one end of the joint, and a clamping cavity matching the spherical structure is provided in the elastic clamping ring. The utility model can conveniently control the consistency of the direction between the joint and the oil pipe, avoid the lateral stress of the oil pipe, and improve the reliability of the oil pipe.

Description

A joint assembly

technical field

The utility model relates to the technical field of pipe connection, in particular to a joint assembly.

Background technique

At present, when the hinged pipe joint assembly shown in Figure 1 is installed in the oil hole, the hinged bolt A is directly rotated and tightened in the oil hole, and the hinged pipe joint B is connected to the oil pipe, because when the hinged bolt A is tightened , will cause the articulated pipe joint B to rotate, and the consistency of the direction of the articulated pipe joint B is difficult to control. When the direction of the articulated pipe joint B is inconsistent with the oil pipe, the oil pipe will generate lateral stress. The combined oil pipe will produce bending deformation at the junction of soft and hard, which will reduce the reliability of the oil pipe.

Utility model content

The technical problem to be solved by the utility model is to solve the above-mentioned deficiencies in the prior art. The utility model provides a joint assembly which can conveniently control the consistency of the direction between the joint and the oil pipe, and avoid the lateral stress of the oil pipe.

The technical solution of the utility model is: a joint assembly, including a joint, a transition screw sleeve and an elastic clamping ring connecting the joint with the transition screw sleeve, and one end of the transition screw sleeve is provided with an outer Thread, the other end is provided with a flange that presses the elastic clamping ring to the end face of the oil hole, a clamping structure is provided between the elastic clamping ring and the flange, and one end of the joint is provided with As for the spherical structure, the elastic clamping ring is provided with a clamping chamber suitable for the spherical structure.

As a further improvement, the clamping structure includes an inner annular boss arranged in the elastic clamping ring, and an outer annular boss whose diameter is larger than the inner diameter of the inner annular boss arranged on the periphery of the flange, The flange is movably inserted into the inner hole of the inner annular boss.

Further, one side of the flange is provided with a first sealing ring capable of being in contact with the end surface of the oil hole, and the other side is provided with a second sealing ring in contact with the spherical structure.

Further, the flange is provided with a hexagonal hole arranged coaxially with the transition nut.

Further, two dismounting grooves are respectively provided on both sides of the spherical structure, and correspondingly, the elastic clamping ring is respectively provided with dismounting relief grooves corresponding to the positions of the dismounting grooves.

Further, the elastic clamping ring is provided with joint relief grooves.

Further, the other end of the joint is provided with an oil pipe anti-slip structure.

Further, it also includes a disassembly tool for disassembling the joint, the disassembly tool includes a bolt, a ferrule and a bracket, and one end of the ferrule is respectively provided with a claw matching each of the disassembly grooves, The other end is provided with a screw hole suitable for the bolt, one end of the bracket is provided with a mounting hole for installing the bolt, and the other end is provided with a split ring that can be sleeved on the periphery of the elastic clamping ring. The outer periphery of the elastic clamping ring is provided with a supporting boss supporting the split ring.

Beneficial effect

Compared with the prior art, the utility model has the following advantages: the utility model first presses the elastic clamping ring on the end face of the oil hole through the transition screw sleeve, and then clamps the spherical structure in the elastic clamping ring The joint is fixed, which can effectively prevent the joint from rotating during the process of tightening the transition screw sleeve, and can conveniently control the consistency of the direction between the joint and the oil pipe, avoiding the lateral stress of the oil pipe, and improving the reliability of the oil pipe; seals are set on both sides of the flange The ring can effectively improve the sealing of the entire joint assembly; the joint can be easily removed by disassembling the tooling, and the operation is simple and labor-saving.

Description of drawings

Fig. 1 is the structural diagram of traditional technology;

Fig. 2 is the explosion schematic diagram of the utility model;

Fig. 3 is the assembly schematic diagram of the present utility model;

Fig. 4 is the schematic diagram of practical application of the utility model;

Fig. 5 is a schematic structural diagram of the front view of the utility model and disassembly tooling;

Fig. 6 is the sectional view of A-A direction in Fig. 5;

Fig. 7 is a top view structure schematic diagram of the utility model and disassembly tooling;

Fig. 8 is the structural representation of ferrule in the utility model;

Fig. 9 is a schematic diagram of the front structure of the bracket in the utility model;

Fig. 10 is a top view structural schematic diagram of the bracket in the utility model;

Fig. 11 is the sectional view of B-B direction in Fig. 9;

Fig. 12 is the structural representation of joint in the utility model;

Fig. 13 is the structural representation of the transition screw sleeve in the utility model;

Fig. 14 is a schematic diagram of the structure of the double joint in the present invention.

Among them: 1-joint, 2-transition screw sleeve, 3-elastic clamping ring, 4-oil hole, 5-external thread, 6-flange, 7-spherical structure, 8-clamping cavity, 9-inner Annular boss, 10-outer annular boss, 11-first sealing ring, 12-second sealing ring, 13-hexagonal hole, 14-disassembly groove, 15-removal relief groove, 16-joint relief groove, 17 - Oil pipe anti-skid structure, 18-bolt, 19-ferrule, 20-bracket, 21-claw, 22-screw hole, 23-installation hole, 24-split ring, 25-support boss.

Detailed ways

The utility model will be further described below in conjunction with the specific embodiments in the accompanying drawings.

Referring to Fig. 2-13, a joint assembly includes a joint 1, a transition nut 2 and an elastic clamping ring 3 connecting the joint 1 with the transition collar 2. One end of the transition collar 2 is provided with an outer sleeve for connecting the oil hole 4 Thread 5, the other end is provided with a flange 6 that presses the elastic clamping ring 3 to the end face of the oil hole 4, and a clamping structure is provided between the elastic clamping ring 3 and the flange 6, and the clamping structure includes a The inner annular boss 9 in the tight ring 3, the outer annular boss 10 with a diameter larger than the inner diameter of the inner annular boss 9 arranged on the periphery of the flange 6, the flange 6 is movably inserted into the inner hole of the inner annular boss 9, and the flange 6 The height of the part inserted into the inner hole of the inner annular boss 9 is smaller than the height of the inner annular boss 9, so as to ensure that the end face of the elastic clamping ring 3 is in contact with the end face of the oil hole 4, and that the outer annular boss 10 is buckled into the inner ring Boss 9 surfaces. One end of the joint 1 is provided with a spherical structure 7, and the elastic clamping ring 3 is provided with a clamping cavity 8 matching the spherical structure 7, and the elastic clamping ring 3 above the clamping cavity 8 is provided with an elastic The elastic arc-shaped plate extending in the axial direction of the clamping ring 3, after the spherical structure 7 is installed in the clamping cavity 8, under the elastic force of the elastic arc-shaped plate, the lower end surface of the spherical structure 7 is close to the flange 6 of the upper end. One side of the flange 6 is provided with a first sealing ring 11 that can be in contact with the end face of the oil hole 4, and the other side is provided with a second sealing ring 12 that is in contact with the spherical structure 7. The two sides of the flange 6 are respectively A sealing ring installation groove is provided, and sealing rings are arranged on both sides of the flange 6, which can effectively improve the sealing performance of the entire joint assembly.

In this embodiment, the flange 6 is provided with a hexagonal hole 13 arranged coaxially with the transition nut 2, and the hexagonal hole 13 is used to tighten the transition nut 2 in the oil hole 4. The two sides of the spherical structure 7 are respectively provided with a dismounting groove 14. Correspondingly, the elastic clamping ring 3 is respectively provided with dismounting relief grooves 15 corresponding to the positions of the dismounting grooves 14. The dismounting grooves 14 are used for the spherical structure. The body 7 is removed from the clamping chamber 8. The elastic clamping ring 3 is provided with a joint relief groove 16 , and the joint relief groove 16 is used for making space for the joint 1 . The other end of the joint 1 is provided with an oil pipe anti-slip structure 17, which is a zigzag groove located on the periphery of the joint 1, which can improve the stability of the oil pipe connection.

In this embodiment, the joint assembly also includes a disassembly tool for disassembling the joint 1. The disassembly tool includes a bolt 18, a ferrule 19 and a bracket 20, and one end of the ferrule 19 is respectively provided with claws that match each disassembly groove 14. 21. The other end is provided with a screw hole 22 suitable for the bolt 18. One end of the bracket 20 is provided with a mounting hole 23 for installing the bolt 18, and the other end is provided with a split ring 24 that can be sleeved on the periphery of the elastic clamping ring 3. The elastic A supporting boss 25 supporting the split ring 24 is provided on the periphery of the clamping ring 3, and the joint 1 can be easily removed by disassembling the tooling, and the operation is simple and labor-saving.

The installation process of the actual application of the joint assembly is:

1. Pass the transition threaded sleeve 2 through the elastic clamping ring 3 so that the outer annular boss 10 is pressed against the surface of the inner annular boss 9;

2. Tighten the transition nut 2 into the oil hole 4 through the hexagonal hole 13, and at the same time align the joint relief groove 16 with the direction of the oil pipe;

3. Align the joint 1 with the joint relief groove 16, and press the spherical structure 7 into the clamping cavity 8 of the elastic clamping ring 3.

The procedure for removing the connector is:

1. Snap the two claws 21 of the ferrule 19 into the two disassembly grooves 14 at the same time;

2. After aligning the opening of the split ring 24 with the joint 1, insert the split ring 24 into the periphery of the elastic clamping ring 3, and make the split ring 24 contact with the support boss 25;

3. Pass the bolt 18 through the mounting hole 23 and screw it into the screw hole 22, and continue to rotate the bolt 18 until the spherical structure 7 is pulled out from the clamping cavity 8 .

In other embodiments, as shown in Figure 14, a joint 1 is provided on both sides of the spherical structure 7, and correspondingly, a joint relief groove 16 is provided on both sides of the elastic clamping ring 3, and the split ring The two sides of 24 are respectively provided with an opening.

The utility model first presses the elastic clamping ring on the end face of the oil hole through the transition screw sleeve, and then clamps the spherical structure in the elastic clamping ring to realize joint fixing, which can effectively prevent the joint from being driven by the process of tightening the transition screw sleeve The rotation can conveniently control the consistency of the direction between the joint and the oil pipe, avoid the lateral stress of the oil pipe, and improve the reliability of the oil pipe.

The above are only preferred embodiments of the present utility model, and it should be pointed out that for those skilled in the art, under the premise of not departing from the structure of the present utility model, some deformations and improvements can also be made, and these will not affect the implementation of the utility model effect and utility of the patent.

Claims (8)

1. A joint assembly, characterized in that: it comprises a joint (1), a transition nut (2) and an elastic clamping ring (3) that connects the joint (1) to the transition collar (2), the One end of the transition screw sleeve (2) is provided with an external thread (5) for connecting the oil hole (4), and the other end is provided with a screw for crimping the elastic clamping ring (3) on the end surface of the oil hole (4) Flange (6), a clamping structure is provided between the elastic clamping ring (3) and the flange (6), a spherical structure (7) is provided at one end of the joint (1), the A clamping cavity (8) matching the spherical structure (7) is provided in the elastic clamping ring (3). 2. A joint assembly according to claim 1, characterized in that: said clamping structure comprises an inner annular boss (9) arranged in said elastic clamping ring (3), an inner annular boss (9) arranged in said elastic clamping ring (3), The diameter of the periphery of the flange (6) is larger than the outer annular boss (10) of the inner diameter of the inner annular boss (9), and the flange (6) is movably inserted into the inner annular boss (9) Bore. 3. A joint assembly according to claim 1, characterized in that: one side of the flange (6) is provided with a first sealing ring (11) capable of contacting and connecting with the end face of the oil hole (4) , the other side is provided with a second sealing ring (12) that is in contact with the spherical structure (7). 4. A joint assembly according to claim 1, characterized in that: said flange (6) is provided with a hexagonal hole (13) arranged coaxially with said transition threaded sleeve (2). 5. A joint assembly according to any one of claims 1-4, characterized in that: the two sides of the spherical structure (7) are respectively provided with a dismounting groove (14), correspondingly, the The elastic clamping rings (3) are respectively provided with dismounting relief grooves (15) corresponding to the positions of the dismounting grooves (14). 6. A joint assembly according to claim 5, characterized in that: said elastic clamping ring (3) is provided with a joint relief groove (16). 7. A joint assembly according to claim 5, characterized in that: the other end of the joint (1) is provided with an oil pipe anti-slip structure (17). 8. A joint assembly according to claim 5, characterized in that: it also includes a disassembly tool for disassembling the joint (1), and the disassembly tool includes bolts (18), ferrules (19) and Bracket (20), one end of the ferrule (19) is respectively provided with claws (21) compatible with each of the dismounting grooves (14), and the other end is provided with screw holes (22), one end of the bracket (20) is provided with a mounting hole (23) for installing the bolt (18), and the other end is provided with a socket that can be sleeved on the periphery of the elastic clamping ring (3) A split ring (24), a support boss (25) supporting the split ring (24) is provided on the periphery of the elastic clamping ring (3).