CN216078717U

CN216078717U - High-safety pipe joint for high-pressure pipeline

Info

Publication number: CN216078717U
Application number: CN202121709460.3U
Authority: CN
Inventors: 匡国庆
Original assignee: Zhenjiang Delike Vacuum Equipment Technology Co ltd
Current assignee: Zhenjiang Delike Vacuum Equipment Technology Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-03-18
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses a high-safety pipe joint for a high-pressure pipeline, which relates to the field of pipe joints and comprises a connector, wherein the connector is of a cylindrical structure with openings at two ends, high-pressure pipes are inserted into two ends of the connector, an accommodating hole is formed in the outer edge of the connector, an inserting rod is movably arranged in the accommodating hole, an inserting groove which is mutually inserted with the inserting rod is formed in the high-pressure pipe, the inserting rod can move in the accommodating hole, and an extruding ring is sleeved outside the connector. The utility model can control the insertion of the insertion rod and the insertion groove through the movement of the extrusion ring, thereby realizing the disassembly and the installation of the high-pressure pipe, being convenient to use, ensuring the firm insertion of the high-pressure pipe in the connector, and preventing the high-pressure pipe from separating from the connector even under high water pressure.

Description

High-safety pipe joint for high-pressure pipeline

Technical Field

The utility model relates to the field of pipe joints, in particular to a high-safety pipe joint for a high-pressure pipeline.

Background

The high pressure pipe is a pipe capable of withstanding pressure, and a variety of pipes, such as a steel pipe, a copper pipe, a stainless steel pipe, and others, are used to transport a liquid.

When two groups of high-pressure pipes need to be spliced, the high-pressure pipe connecting joint needs to be used, and the water flow pressure in the high-pressure pipe is high, so that the high-pressure pipe can be separated from the inside of the connecting joint due to the impact of hydraulic pressure on a general connecting joint, and the hydraulic pressure is too high, so that liquid splashing and leakage can be caused.

Therefore, it is necessary to provide a high-safety pipe joint for a high-pressure pipe to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a high-safety pipe joint for a high-pressure pipe, which solves the above-mentioned problems of the related art.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-safety pipe joint for a high-pressure pipeline comprises a connector, wherein the connector is of a cylindrical structure with two open ends, high-pressure pipes are inserted into two ends of the connector, accommodating holes are formed in the outer edge of the connector, inserting rods are movably arranged in the accommodating holes, inserting grooves which are mutually inserted into the inserting rods are formed in the high-pressure pipes, the inserting rods can move in the accommodating holes, extruding rings are sleeved outside the connector, the number of the extruding rings is two, two groups of the extruding rings are located at positions, close to the accommodating holes, of the connector, positioning rings are fixedly arranged at positions, close to two ports, of the connector, the extruding rings are located on the inner sides of the positioning rings, the inner diameter, close to one ends of the positioning rings, of the extruding rings is larger than the inner diameter, far away from one ends of the positioning rings, of the extruding rings, edges, close to the positioning rings, are provided with inserting columns which are mutually inserted into the inserting holes in the positioning rings;

when the high-pressure pipe connector works, when the ends of two high-pressure pipes are required to be connected, the high-pressure pipes can be inserted into the two ends of the connector, the insertion rod is contracted inside the accommodating hole at the moment, so that the insertion of the high-pressure pipes cannot be obstructed, when the high-pressure pipes are inserted into proper positions, the extrusion ring can be pushed towards the direction close to the positioning ring at the moment, the inner wall of the extrusion ring can extrude one end, close to the extrusion ring, of the insertion rod, the end, far away from the extrusion ring, of the insertion rod is inserted into the insertion groove, so that the high-pressure pipes are fixed inside the connector, meanwhile, the insertion columns at the end parts of the extrusion ring are inserted into the insertion holes in the positioning ring, so that the position of the extrusion ring is fixed, and therefore, the position of the high-pressure pipes is more firmly fixed;

the utility model can control the insertion of the insertion rod and the insertion groove through the movement of the extrusion ring, thereby realizing the disassembly and the installation of the high-pressure pipe, being convenient to use, ensuring the firm insertion of the high-pressure pipe in the connector, and preventing the high-pressure pipe from separating from the connector even under high water pressure.

Preferably, the edge of the accommodating hole is provided with a limiting sliding chute, a limiting sliding block fixedly arranged at the edge of the insertion rod is mutually connected with the limiting sliding chute in a sliding manner, and one surface of the limiting sliding block, which is close to the insertion groove, is fixedly connected with the inner side end of the limiting sliding chute through a spring; during operation, when the extrusion ring is located the skew position of accomodating the hole port on the connector, the spring that links firmly with limiting slide this moment promotes limiting slide to the direction of keeping away from the inserting groove, and then makes the peg graft shrink in the inside of accomodating the hole, the inside of the high-pressure tube plug-in connection head of being convenient for this moment, and when the extrusion ring is located the position of accomodating the outer port in hole, the inner wall of extrusion ring extrudees the outside end of peg graft pole to the inside of connector this moment, make the medial extremity of peg graft pole peg graft with the inserting groove each other, and then with the position fixation of high-pressure tube.

Preferably, the inner wall of the accommodating hole is positioned on the inner side of the limiting sliding groove and is provided with an annular accommodating groove, an air bag ring is fixedly adhered inside the annular accommodating groove, a rubber air bag is fixedly adhered to the side face, close to the extrusion ring, of the positioning ring, and the rubber air bag is communicated with the inside of the air bag ring through an air flow channel inside the connector; the during operation, when peg graft each other on the spliced pole on the extrusion ring and the spliced eye on the holding ring, the extrusion ring just is located the outer port of accomodating the hole and extrudees the spliced pole to the inside of inserting groove this moment, the one end that the extrusion ring is close to the holding ring this moment will extrude the inboard rubber gasbag of holding ring simultaneously, and then the inside gas of rubber gasbag will be extruded, and the inside air current passageway through the connector gets into the inside of gasbag ring, make the gasbag ring take place the inflation, and then with the spliced pole and accomodate the clearance between the hole sealed, avoid liquid through the spliced pole and accomodate the clearance blowout between the hole.

Preferably, the inner ring of the air bag ring is fixedly provided with a rubber baffle ring, and the rubber baffle ring is uniformly distributed at the inner ring of the air bag ring along the axial direction of the air bag ring; when the sealing device works, the rubber baffle ring has a further sealing effect.

Preferably, the two ends of the connector are in threaded connection with internal thread covers, the internal thread covers are of a columnar groove body structure, the high-pressure pipe penetrates through the internal thread covers, a first rubber ring is arranged at the port of the connector and in a gap between the connector and the high-pressure pipe, the first rubber ring is of two groups of mutually symmetrical right-angled triangular structures in the axial section, and the inclined plane of each triangular structure faces towards the connector; during operation, first rubber ring plays and carries out sealed effect with the clearance between high-pressure pipe and the connector port, and the mutual spiro union of the outside screw thread of internal thread lid and connector can fix the position of first rubber ring, compresses tightly first rubber ring in the clearance between connector and high-pressure pipe simultaneously, avoids liquid leakage.

Preferably, the inner wall of the connector is provided with second rubber rings at two sides of the insertion rod, and the second rubber rings are uniformly distributed on the inner wall of the connector; during operation, the second rubber ring plays the sealed effect in clearance between connector and the high-pressure line, and the second rubber ring is equipped with the multiunit, then can play the effect that the multilayer was blocked water, and it is better to prevent the leakage effect.

Preferably, an inner retaining ring is fixedly arranged on the inner wall of the middle part of the connector, and an outer retaining ring is fixedly arranged on the outer wall of the middle part of the connector; the during operation keeps off the ring outward and all plays spacing effect with interior fender ring, and when the high-voltage tube contacted with the inside interior fender ring of connector, the inserting groove on the high-voltage tube just corresponded with the position of accomodating the hole on the connector this moment, and keep off the ring outward then play and prevent to extrude the ring and remove longer distance in the outside of connector, play simultaneously with two sets of extrusion ring divided effects, prevent its striking each other.

The utility model has the technical effects and advantages that:

1. the high-pressure pipe connecting structure can control the insertion of the insertion rod and the insertion groove through the movement of the extrusion ring, so that the high-pressure pipe can be detached and installed, the use is convenient, the high-pressure pipe is more firmly inserted in the connector, and the high-pressure pipe cannot be separated from the connector even under high water pressure;

2. when the inserting column on the extruding ring is inserted into the inserting hole on the positioning ring, the extruding ring is just positioned at the outer port of the accommodating hole and extrudes the inserting rod into the inserting groove, one end of the extruding ring close to the positioning ring can simultaneously extrude the rubber air bag on the inner side of the positioning ring, and then the gas in the rubber air bag can be extruded and enters the air bag ring through the air flow channel in the connector, so that the air bag ring expands, and the gap between the inserting rod and the accommodating hole is sealed, and the liquid is prevented from being sprayed out through the gap between the inserting rod and the accommodating hole;

3. first rubber ring plays and carries out sealed effect with the clearance between high-pressure pipe and the connector port, and the mutual spiro union of the outside screw thread of internal thread lid and connector can be fixed the position of first rubber ring, compresses tightly first rubber ring in the clearance between connector and high-pressure pipe simultaneously, avoids liquid leakage.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the connector.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an enlarged schematic view of B in fig. 3.

In the figure: the connecting head 1, keep off ring 2 outward, extrusion ring 3, holding ring 4, plug-in post 5, internal thread lid 6, high-pressure tube 7, spliced eye 8, first rubber ring 9, interior fender ring 10, second rubber ring 11, peg graft pole 12, inserting groove 13, accomodate hole 14, spacing slider 15, spacing spout 16, air current channel 17, annular groove 18 of accomodating, gasbag ring 19, rubber fender ring 20, rubber gasbag 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a high-safety pipe joint for a high-pressure pipeline as shown in figures 1-4, which comprises a connector 1, wherein the connector 1 is of a cylindrical structure with two open ends, high-pressure pipes 7 are inserted at two ends of the connector 1, an accommodating hole 14 is formed in the outer edge of the connector 1, an inserting rod 12 is movably arranged in the accommodating hole 14, an inserting groove 13 which is mutually inserted with the inserting rod 12 is formed in the high-pressure pipe 7, the inserting rod 12 can move in the accommodating hole 14, extrusion rings 3 are sleeved outside the connector 1, the number of the extrusion rings 3 is two, two groups of the extrusion rings 3 are positioned outside the connector 1 and close to the accommodating hole 14, positioning rings 4 are fixedly arranged at positions on the connector 1 close to two ports, the extrusion rings 3 are positioned at the inner sides of the positioning rings 4, and the inner diameter of one end of the extrusion ring 3 close to the positioning rings 4 is larger than that of the extrusion ring 3 far away from the positioning rings 4, the edge of the extrusion ring 3 close to the positioning ring 4 is provided with an inserting column 5 which is inserted with an inserting hole 8 on the positioning ring 4;

when the connector works, when the ends of the two high-pressure pipes 7 need to be connected, the high-pressure pipes 7 can be inserted into the two ends of the connector 1, the insertion rod 12 is contracted inside the accommodating hole 14 at the moment, so that the insertion of the high-pressure pipes 7 cannot be obstructed, when the high-pressure pipes 7 are inserted into proper positions, the extrusion ring 3 can be pushed towards the direction close to the positioning ring 4 at the moment, the inner wall of the extrusion ring 3 can extrude one end, close to the extrusion ring 3, of the insertion rod 12, so that one end, far away from the extrusion ring 3, of the insertion rod 12 is inserted into the insertion groove 13, so that the high-pressure pipes 7 are fixed inside the connector 1, meanwhile, the insertion columns 5 at the end parts of the extrusion ring 3 are inserted into the insertion holes 8 in the positioning ring 4, so that the positions of the extrusion ring 3 are fixed, and the positions of the high-pressure pipes 7 are fixed more firmly;

according to the utility model, the insertion of the insertion rod 12 and the insertion groove 13 can be controlled through the movement of the extrusion ring 3, so that the high-pressure pipe 7 can be detached and installed, the use is convenient, the insertion of the high-pressure pipe 7 in the connector 1 is firmer, the high-pressure pipe 7 cannot be separated from the connector 1 even under high water pressure, and the inner wall of the insertion hole 8 is provided with a structure such as a rubber pad with anti-skidding and extrusion functions, so that the insertion column 5 is prevented from being easily separated from the inside of the insertion hole 8.

A limiting sliding groove 16 is formed in the edge of the accommodating hole 14, a limiting sliding block 15 fixedly arranged on the edge of the insertion rod 12 is in sliding connection with the limiting sliding groove 16, and one surface, close to the insertion groove 13, of the limiting sliding block 15 is fixedly connected with the inner side end of the limiting sliding groove 16 through a spring; during operation, when extrusion ring 3 is located the skew position of accomodating hole 14 port on connector 1, the spring that links firmly with stop block 15 this moment promotes stop block 15 to the direction of keeping away from inserting groove 13, and then makes insertion rod 12 shrink in the inside of accomodating hole 14, high-pressure pipe 7 is convenient for insert the inside of connector 1 this moment, and when extrusion ring 3 is located the position of accomodating the outer port in hole 14, the inner wall of extrusion ring 3 extrudees the outside end of insertion rod 12 to the inside of connector 1 this moment, make the medial extremity of insertion rod 12 peg graft with inserting groove 13 each other, and then with the fixed position of high-pressure pipe 7.

An annular accommodating groove 18 is formed in the inner wall of the accommodating hole 14 and located on the inner side of the limiting sliding groove 16, an air bag ring 19 is fixedly adhered to the inner portion of the annular accommodating groove 18, a rubber air bag 21 is fixedly adhered to the side face, close to the extrusion ring 3, of the positioning ring 4, and the rubber air bag 21 is communicated with the inner portion of the air bag ring 19 through an air flow channel 17 in the connector 1; the during operation, when pegging graft 8 each other on grafting post 5 on the extrusion ring 3 and the holding ring 4, the extrusion ring 3 just is located the outside port of accomodating hole 14 and extrudees grafting rod 12 to the inside of inserting groove 13 this moment, the one end that extrusion ring 3 is close to holding ring 4 will extrude the inboard rubber gasbag 21 of holding ring 4 simultaneously this moment, and then the inside gas of rubber gasbag 21 will be extruded, and the inside air current passageway 17 of 1 inside of connector gets into gasbag ring 19, make gasbag ring 19 take place the inflation, and then with grafting rod 12 and take in the clearance seal between the hole 14, avoid liquid through grafting rod 12 and take in the clearance blowout between the hole 14.

A rubber baffle ring 20 is fixedly arranged at the inner ring of the air bag ring 19, and the rubber baffle ring 20 is uniformly distributed at the inner ring of the air bag ring 19 along the axial direction of the air bag ring 19; in operation, the rubber retainer ring 20 provides a further sealing effect.

Two ends of the connector 1 are in threaded connection with internal thread covers 6, the internal thread covers 6 are of a columnar groove body structure, the high-pressure pipe 7 penetrates through the internal thread covers 6, a first rubber ring 9 is arranged at the port of the connector 1 and in a gap between the connector 1 and the high-pressure pipe 7, the axial sections of the first rubber rings 9 are of two groups of mutually symmetrical right-angled triangular structures, and the inclined planes of the triangular structures face the connector 1; during operation, first rubber ring 9 plays and carries out sealed effect with the clearance between high-pressure line 7 and the connector 1 port, and the mutual spiro union of the screw thread of internal thread lid 6 and connector 1 outside can be fixed first rubber ring 9's position, compresses tightly first rubber ring 9 in the clearance between connector 1 and high-pressure line 7 simultaneously, avoids liquid leakage.

The inner wall of the connector 1 is provided with second rubber rings 11 at two sides of the insertion rod 12, and the second rubber rings 11 are uniformly distributed on the inner wall of the connector 1; during operation, second rubber ring 11 plays the sealed effect in clearance between connector 1 and the high-pressure line 7, and second rubber ring 11 is equipped with the multiunit, then can play the effect that the multilayer was blocked water, and it is better to prevent leaking the effect.

An inner baffle ring 10 is fixedly arranged on the inner wall of the middle part of the connector 1, and an outer baffle ring 2 is fixedly arranged on the outer wall of the middle part of the connector 1; the during operation, keep off ring 2 outward and keep off ring 10 in and all play spacing effect, when the contact of high-pressure line 7 and the inside interior fender ring 10 of connector 1, inserting groove 13 on the high-pressure line 7 and the position of accomodating hole 14 on the connector 1 just correspond this moment, and keep off ring 2 outward then play and prevent that extrusion ring 3 from removing longer distance in the outside of connector 1, play simultaneously with two sets of 3 spaced effects of extrusion ring, prevent its impact each other.

The working principle is as follows: when the connector works, when the ends of the two high-pressure pipes 7 need to be connected, the high-pressure pipes 7 can be inserted into the two ends of the connector 1, the insertion rod 12 is contracted inside the accommodating hole 14 at the moment, so that the insertion of the high-pressure pipes 7 cannot be obstructed, when the high-pressure pipes 7 are inserted into proper positions, the extrusion ring 3 can be pushed towards the direction close to the positioning ring 4 at the moment, the inner wall of the extrusion ring 3 can extrude one end, close to the extrusion ring 3, of the insertion rod 12, so that one end, far away from the extrusion ring 3, of the insertion rod 12 is inserted into the insertion groove 13, so that the high-pressure pipes 7 are fixed inside the connector 1, meanwhile, the insertion columns 5 at the end parts of the extrusion ring 3 are inserted into the insertion holes 8 in the positioning ring 4, so that the positions of the extrusion ring 3 are fixed, and the positions of the high-pressure pipes 7 are fixed more firmly;

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a high pressure pipeline is with coupling of high security, includes connector (1), and connector (1) is both ends open-ended drum structure, and the both ends of connector (1) are inserted and are equipped with high-pressure pipe (7), its characterized in that: the outer edge of the connector (1) is provided with a containing hole (14), the inside of the containing hole (14) is movably provided with an inserting rod (12), the high-pressure pipe (7) is provided with an inserting groove (13) which is inserted with the inserting rod (12), the inserting rod (12) can move inside the containing hole (14), the outer part of the connector (1) is sleeved with an extrusion ring (3), the number of the extrusion rings (3) is two, and two groups of extrusion rings (3) are positioned at the outer part of the connector (1) close to the position of the accommodating hole (14), positioning rings (4) are fixedly arranged at the positions on the connector (1) close to the two ports, the extrusion rings (3) are positioned at the inner sides of the positioning rings (4), and the inner diameter of the end, close to the positioning ring (4), of the extrusion ring (3) is larger than the inner diameter of the end, far away from the positioning ring (4), of the extrusion ring (3), and the edge, close to the positioning ring (4), of the extrusion ring (3) is provided with a plug-in column (5) which is mutually plugged with a plug-in hole (8) in the positioning ring (4).

2. The high-safety pipe joint for high-pressure pipes according to claim 1, wherein: the edge of the accommodating hole (14) is provided with a limiting sliding groove (16), the edge of the insertion rod (12) is fixedly provided with a limiting sliding block (15) and the limiting sliding groove (16) which are mutually connected in a sliding mode, one side of the limiting sliding block (15) close to the insertion groove (13) is fixedly connected with the inner side end of the limiting sliding groove (16) through a spring, the inner side end of the insertion rod (12) is mutually inserted into the insertion groove (13), and then the position of the high-pressure pipe (7) is fixed.

3. The high-safety pipe joint for high-pressure pipes according to claim 1, wherein: the inner wall of accomodating hole (14) is located the inboard of spacing spout (16) and has seted up the annular and accomodate groove (18), and the inside of annular accomodating groove (18) is fixed to be glued and is equipped with gasbag ring (19), the side that holding ring (4) are close to extrusion ring (3) is fixed to be glued and is equipped with rubber gasbag (21), and rubber gasbag (21) communicate each other through the inside air current passageway (17) of connector (1) inside and gasbag ring (19).

4. A high-safety pipe joint for a high-pressure pipe according to claim 3, wherein: the inner ring of the air bag ring (19) is fixedly provided with a rubber baffle ring (20), and the rubber baffle ring (20) is uniformly distributed at the inner ring of the air bag ring (19) along the axial direction of the air bag ring (19).

5. The high-safety pipe joint for high-pressure pipes according to claim 1, wherein: the both ends spiro union of connector (1) has internal thread lid (6), and internal thread lid (6) are column groove body structure, and high-pressure pipe (7) pass internal thread lid (6), and the port department of connector (1) is located the clearance of connector (1) and high-pressure pipe (7) and is equipped with first rubber ring (9), and first rubber ring (9) are two sets of right angled triangle structures of mutual symmetry along axial cross-section, and the inclined plane of triangle-shaped structure is towards connector (1).

6. The high-safety pipe joint for high-pressure pipes according to claim 1, wherein: the inner wall of connector (1) is located the both sides of grafting pole (12) and all is equipped with second rubber ring (11), and second rubber ring (11) are at the inner wall evenly distributed of connector (1).

7. The high-safety pipe joint for high-pressure pipes according to claim 1, wherein: the inner wall of the middle part of the connector (1) is fixedly provided with an inner baffle ring (10), and the outer wall of the middle part of the connector (1) is fixedly provided with an outer baffle ring (2).