CN215596634U

CN215596634U - Water inlet rotary joint assembly

Info

Publication number: CN215596634U
Application number: CN202121490760.7U
Authority: CN
Inventors: 霍建松
Original assignee: Kejiete Pump System Tianjin Co ltd
Current assignee: Kejiete Pump System Tianjin Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-21
Anticipated expiration: 2031-07-01

Abstract

The utility model provides a water inlet rotary joint assembly, wherein an external thread joint is sleeved on a rotary elbow in a matched manner, a limiting cavity is arranged inside the external thread joint, a limiting part is arranged in the limiting cavity, the limiting part is arranged on the rotary elbow, a connecting sleeve is arranged on the external thread joint in a screwed and matched manner, the outlet end of the connecting sleeve is communicated with the inlet end of the rotary elbow, and a sealing element is also arranged between the connecting sleeve and the rotary elbow; through set up the sealing member between rotatory return bend and adapter sleeve, can seal between the two to guarantee the leakproofness of rotary joint subassembly when using, avoid appearing leaking or leak and press the phenomenon, so the practicality is better.

Description

Water inlet rotary joint assembly

Technical Field

The utility model relates to the technical field of rotary joints, in particular to a water inlet rotary joint assembly.

Background

The rotary joint is a pipeline connector which is used for pipeline connection and can relatively rotate, can be used for conveying various media such as gas, liquid, oil and the like, and has simple design structure and higher integration level, so the application field of the rotary joint almost covers various industries such as metallurgy, power generation, petroleum, manufacturing, food processing and the like, and particularly plays a vital role in the field of high-pressure water conveying. However, the existing rotary joint assembly has a complex structure and poor flexibility in the use process, and can cause water leakage or pressure leakage due to the phenomenon of pipe body movement after long-time use, so that the practicability is not strong.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to solve the problems in the prior art and provides a water inlet rotary joint assembly.

In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a water inlet swivel joint subassembly, includes rotatory return bend, the last cooperation cover of rotatory return bend is equipped with external thread joint, external thread joint's inside is provided with spacing chamber, be provided with the locating part in the spacing chamber, the locating part sets up on rotatory return bend, the external thread joint top spin is supporting to be equipped with adapter sleeve, adapter sleeve's exit end is linked together with the entrance point of rotatory return bend, still be provided with the sealing member between adapter sleeve and the rotatory return bend, the sealing member is used for sealing up between the two.

Furthermore, a limiting neck is arranged on the rotary elbow, and the limiting part is matched and embedded inside the limiting neck.

Furthermore, the limiting parts are arranged to be hollow semicircular limiting blocks, the limiting blocks are arranged to be two groups, and the two groups of limiting blocks are matched and embedded in the limiting neck.

Further, a thrust washer is arranged between the inner wall of the limiting cavity and the limiting part, and the thrust washer is sleeved on the rotary bent pipe in a matching mode.

Further, still seted up the sealing neck on the rotatory return bend, the sealing member sets up to the sealing washer, the sealing washer cooperatees the cover and locates in the sealing neck.

Furthermore, the sealing neck is internally sleeved with a limiting ring, the limiting ring is provided with an annular groove, and the structure of the annular groove is matched with that of the sealing ring.

Further, rotatory return bend sets up to rotating part, flexion and connecting portion, the entrance point of rotating part rotates the inside of wearing to locate external screw thread joint, the entrance point of flexion communicates in the exit end of rotating part, the entrance point of connecting portion is linked together with the exit end of flexion.

Further, the connecting part is arranged from the inlet end to the outlet end to be in a round table shape with the cross section area gradually reduced.

Furthermore, an annular groove is formed in the inner wall of the connecting sleeve, and a safety hole is formed in the annular groove.

Furthermore, an assembly cavity is formed in the inlet end of the connecting sleeve, a clamping sleeve connector is arranged in the assembly cavity in a rotating mode, and the clamping sleeve connector is used for communicating the inlet end of the connecting sleeve with the outlet end of an external pipeline.

The utility model has the advantages and positive effects that: the rotary elbow is compact in structure and convenient to use, the limiting piece and the limiting cavity are arranged on the rotary elbow, so that the rotary elbow can stably rotate in the external thread joint and the connecting sleeve, the thrust washer is used in a matched manner, the abrasion of the limiting piece can be reduced, the service life of a rotary joint component is prolonged, and the axial displacement phenomenon of the rotary elbow in the rotating process is avoided; a hollow semicircular limiting block is adopted, so that the hollow semicircular limiting block is conveniently arranged in the limiting neck; the sealing element is arranged between the rotary elbow and the connecting sleeve, so that the sealing element can be sealed between the rotary elbow and the connecting sleeve, the sealing effect between the rotary elbow and the connecting sleeve is ensured, water leakage or pressure leakage of the rotary elbow in the rotating process is prevented, the limiting ring arranged in the sealing neck can perform thrust and limiting on the sealing element, the sealing ring is prevented from moving when the rotary elbow rotates, and the sealing performance of the rotary elbow is ensured; meanwhile, the outlet end of the rotary elbow is arranged in a round table shape, so that the rotary elbow is conveniently connected with external pipelines such as rubber pipes; and the safety hole is formed in the connecting sleeve, when the rotary joint component leaks pressure or water, the pressure can be relieved and the water can be drained through the safety hole, so that the rotary joint component is prevented from being damaged due to high pressure, an operator can conveniently and timely handle the rotary joint component, the safety of the rotary joint component in use is guaranteed, and the practicability is good.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view in partial cross-section of the present invention;

FIG. 3 is a schematic structural view of a swivel elbow;

FIG. 4 is a schematic view of the male connection;

fig. 5 is a schematic structural diagram of a limiting block.

In the figure: 1. rotating the bent pipe; 101. a rotating part; 102. a bending section; 103. a connecting portion; 2. an externally threaded nipple; 3. a limiting cavity; 4. a limiting member; 5. connecting a sleeve; 6. a seal member; 7. a limiting neck; 8. a thrust washer; 9. sealing the neck; 10. a limiting ring; 11. an annular groove; 12. a safety vent; 13. and assembling the cavity.

Detailed Description

For a better understanding of the present invention, reference is made to the following detailed description and accompanying drawings that illustrate the utility model.

As shown in fig. 1, 2 and 4, a water inlet swivel joint assembly comprises a swivel elbow 1, the swivel elbow 1 is sleeved with an external thread joint 2, a limiting cavity 3 is arranged inside the external thread joint 2, a limiting part 4 is arranged in the limiting cavity 3, the limiting part 4 is arranged on the swivel elbow 1, the external thread joint 2 is rotatably provided with a connecting sleeve 5, an outlet end of the connecting sleeve 5 is communicated with an inlet end of the swivel elbow 1, a sealing part 6 is further arranged between the connecting sleeve 5 and the swivel elbow 1, the sealing part 6 is used for sealing the two, when the swivel joint assembly is used, the swivel elbow 1 can rotate in the external thread joint 2 and the connecting sleeve 5, and the limiting part 4 on the swivel elbow 1 is limited by the limiting cavity 3, so as to avoid the swivel elbow 1 from generating a play phenomenon along the central axis thereof during the rotation process, make it can rotate steadily, adopt sealing member 6 can seal between connecting sleeve 5 and rotatory return bend 1, prevent that rotatory return bend 1 from leaking pressure or the phenomenon of leaking appearing rotating the in-process to guarantee the sealed effect between the two.

As shown in fig. 2, 3 and 5, the rotary elbow 1 is provided with a limiting neck 7, and the limiting member 4 is embedded in the limiting neck 7; the limiting part 4 can be limited and fixed by arranging the limiting neck 7 on the rotary bent pipe 1, the rotary bent pipe 1 and the limiting part 4 are prevented from moving, the stability during rotation is ensured, the limiting part 4 is arranged into a hollow semicircular limiting block, the limiting blocks are arranged into two groups, and the two groups of limiting blocks are embedded in the limiting neck 7 in a matched manner, so that the limiting blocks can be conveniently installed and the rotary joint assembly can be conveniently assembled; be provided with thrust washer 8 between spacing chamber 3 inner wall and the locating part 4, thrust washer 8 cooperatees the cover and locates on rotatory return bend 1, can bear the axial load of locating part 4, avoids locating

part

4 and 3 direct friction in spacing chamber and the wearing and tearing that cause, improves the life of part.

As shown in fig. 2 and 3, the swivel elbow 1 is further provided with a sealing neck 9, the sealing element 6 is a sealing ring, and the sealing ring is fittingly sleeved in the sealing neck 9; the stop collar 10 is established to the cover in the sealing neck 9, the annular groove has been seted up on the stop collar 10, the structure of annular groove matches with the structure of sealing washer, through set up the sealing washer in stop collar 7, can seal between pairing rotation return bend 1 and the adapter sleeve 5, ensure to have better leakproofness between the two, adjacent stop collar 10 that sets up in the sealing washer side simultaneously, can carry on spacingly to the sealing washer, reduce the sealing washer appear when using or the drunkenness, guarantee the sealed effect of sealing washer.

As shown in fig. 3, the rotary elbow 1 is provided with a rotary part 101, a curved part 102 and a connecting part 103, wherein an inlet end of the rotary part 101 is rotatably inserted into the male connector 2, an inlet end of the curved part 102 is communicated with an outlet end of the rotary part 101, and an inlet end of the connecting part 103 is communicated with an outlet end of the curved part 102; the connecting portion 103 is arranged in a circular truncated cone shape with a gradually decreasing cross-sectional area from the inlet end to the outlet end, and the inlet end of the rotary elbow 1 is arranged in a circular truncated cone shape, so that the connecting portion can be conveniently connected with a rubber pipe or other external pipelines.

As shown in fig. 1 and 2, an annular groove 11 is formed on the inner wall of the connecting sleeve 5, and a safety hole 12 is formed inside the annular groove 11; if pressure leakage or water leakage occurs between the rotary elbow 1 and the connecting sleeve 5, the leaked pressure or water flow can flow into the annular groove 11 and is discharged outside through the safety hole 12 formed in the annular groove 11, so as to prevent the rotary joint assembly from being cracked or damaged and cause safety accidents, and meanwhile, an operator can be reminded to timely treat and repair the rotary joint assembly, the inlet end of the connecting sleeve 5 is provided with an assembly cavity 13, a sleeve joint is spirally arranged in the assembly cavity 13 and used for communicating the inlet end of the connecting sleeve 5 with the outlet end of an external pipeline, the sleeve joint is sleeved on the external pipeline and screwed in the assembly cavity 13, so that the outlet end of the external pipeline is matched and inserted into the inlet end of the connecting sleeve 5, and the inlet end of the rotary joint assembly is communicated with the external pipeline.

In addition, the thrust washer 8 can be made of wear-resistant metal materials such as stainless steel, the sealing ring can be made of materials with better sealing performance such as rubber materials, the external pipeline at the outlet end of the rotary elbow 1 can be an existing pipe fitting such as a rubber pipe, the external pipeline connected with the ferrule connector can be an existing pipe connector such as a steel pipe connector, and the specific structures and working principles of the thrust washer 8, the sealing ring and the ferrule connector belong to the prior art in the technical field.

The utility model has compact structure and convenient use, the limit piece 4 and the limit cavity 3 are arranged on the rotary elbow 1, so that the rotary elbow 1 can stably rotate in the external thread joint 2 and the connecting sleeve 5, and the thrust washer 8 is used in a matching way, so that the abrasion of the limit piece 4 can be reduced, the service life of a rotary joint component is prolonged, and the axial displacement phenomenon of the rotary elbow 1 in the rotating process is avoided; a hollow semicircular limiting block is adopted, so that the hollow semicircular limiting block is conveniently arranged in the limiting neck 7; the sealing element 6 is arranged between the rotary elbow 1 and the connecting sleeve 5, so that the sealing between the rotary elbow 1 and the connecting sleeve 5 can be realized, the sealing effect between the rotary elbow 1 and the connecting sleeve is ensured, water leakage or pressure leakage in the rotating process of the rotary elbow 1 is prevented, the limiting ring 10 arranged in the sealing neck 9 can perform thrust and limiting on the sealing element 6, the sealing ring is prevented from moving when the rotary elbow 1 rotates, and the sealing performance of the rotary elbow is ensured; meanwhile, the outlet end of the rotary elbow 1 is arranged in a round table shape, so that the rotary elbow is conveniently connected with external pipelines such as rubber pipes; and the connecting sleeve 5 is provided with the safety hole 12, when the rotary joint component has pressure leakage or water leakage, the safety hole 12 can release pressure and discharge water, so that the rotary joint component is prevented from being damaged by higher pressure, an operator can conveniently and timely handle the rotary joint component, and the safety of the rotary joint component in use is ensured, so that the practicability is better, and the specific working principle of the utility model is as follows:

when the rotary joint assembly is used, the external thread joint 2 is sleeved on the rotating part 101 of the elbow joint, the thrust washer 8 is sleeved on the rotating part 101, the limiting part 4 is embedded in the limiting cavity 3 and is positioned in the limiting cavity 3, and the rotary elbow 1 can be prevented from sliding out of the external thread joint 2 through the matching use between the limiting cavity 3 and the limiting block; the limiting ring 10 and the sealing ring are respectively adjacently sleeved in the sealing neck 9, and the connecting sleeve 5 is rotatably arranged on the external thread connector 2 in a matched manner, so that the outlet end of the connecting sleeve 5 is matched and communicated with the inlet end of the rotary elbow 1, and the sealing ring seals between the connecting sleeve 5 and the rotary elbow 1, so that the rotary elbow 1 can have good sealing property when rotating; if the rotary joint assembly leaks water or leaks when pressing the phenomenon when using, the pressure or rivers that leak can discharge the external world through the safety hole 12 of seting up on the ring channel 11, prevent that the rotary joint assembly from breaking or damaging appearing, cause the incident, also can remind operating personnel in time to overhaul and maintain rotary joint assembly simultaneously.

The embodiments of the present invention have been described in detail, but the present invention is only the preferred embodiments of the present invention, and is not to be considered as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. A water inlet swivel assembly comprising a swivel elbow (1), characterized in that: the improved rotary elbow is characterized in that an external thread joint (2) is sleeved on the rotary elbow (1) in a matched mode, a limiting cavity (3) is formed in the internal portion of the external thread joint (2), a limiting part (4) is arranged in the limiting cavity (3), the limiting part (4) is arranged on the rotary elbow (1), a connecting sleeve (5) is arranged on the external thread joint (2) in a matched mode, the outlet end of the connecting sleeve (5) is communicated with the inlet end of the rotary elbow (1), a sealing element (6) is further arranged between the connecting sleeve (5) and the rotary elbow (1), and the sealing element (6) is used for sealing between the connecting sleeve and the rotary elbow (1).

2. A water inlet swivel assembly as claimed in claim 1, wherein: the rotary elbow (1) is provided with a limiting neck (7), and the limiting part (4) is matched and embedded in the limiting neck (7).

3. A water inlet swivel assembly as claimed in claim 2, wherein: the limiting parts (4) are arranged into hollow semicircular limiting blocks, the limiting blocks are arranged into two groups, and the two groups of limiting blocks are matched and embedded in the limiting neck (7).

4. A water inlet swivel assembly as claimed in claim 3, wherein: a thrust washer (8) is arranged between the inner wall of the limiting cavity (3) and the limiting part (4), and the thrust washer (8) is matched and sleeved on the rotary elbow (1).

5. A water inlet swivel assembly as claimed in claim 1, wherein: still seted up sealing neck (9) on rotatory return bend (1), sealing member (6) set up to the sealing washer, the sealing washer cooperatees the cover and locates in sealing neck (9).

6. A water inlet swivel assembly as claimed in claim 5, wherein: a limiting ring (10) is sleeved in the sealing neck (9), an annular groove is formed in the limiting ring (10), and the structure of the annular groove is matched with that of the sealing ring.

7. A water inlet swivel assembly as claimed in claim 1, wherein: rotatory return bend (1) sets up to rotating part (101), flexion (102) and connecting portion (103), the inside of external screw thread joint (2) is worn to locate in the rotation of the entrance point of rotating part (101), the exit end in rotating part (101) is communicated to the entrance point of flexion (102), the exit end of entrance point and flexion (102) of connecting portion (103) is linked together.

8. A water inlet swivel assembly as claimed in claim 7, wherein: the connecting part (103) is arranged from the inlet end to the outlet end and is in a round table shape with gradually reduced cross sectional area.

9. A water inlet swivel assembly as claimed in claim 1, wherein: an annular groove (11) is formed in the inner wall of the connecting sleeve (5), and a safety hole (12) is formed in the annular groove (11).

10. A water inlet swivel assembly as claimed in claim 1, wherein: an assembly cavity (13) is formed in the inlet end of the connecting sleeve (5), a clamping sleeve connector is arranged in the assembly cavity (13) in a rotating mode and used for communicating the inlet end of the connecting sleeve (5) with the outlet end of an external pipeline.