CN217559300U

CN217559300U - High leakproofness rotary joint

Info

Publication number: CN217559300U
Application number: CN202221427784.2U
Authority: CN
Inventors: 张军; 张勇; 许华荣; 王家兴; 朱桂生
Original assignee: Jianhu County Bo'ao Hydraulic Pressure Machinery Manufacturing Co ltd
Current assignee: Jianhu County Bo'ao Hydraulic Pressure Machinery Manufacturing Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-10-11
Anticipated expiration: 2032-06-08

Abstract

The utility model belongs to the technical field of the joint technique and specifically relates to a high leakproofness rotary joint, which comprises a connector, the left fixed surface of connector installs first flange, be provided with protection component on the surface of connector, the utility model discloses a double seal subassembly that sets up utilizes the first annular of laminating of each other to seal the pad and form first seal structure with second annular seal pad, utilizes the third annular of laminating of each other to seal the pad and fourth annular seal pad formation second way seal structure simultaneously, greatly increased the sealing performance that connects, increase the stability of joint in long-time use, in addition through the protection component who sets up, after the joint installation is accomplished, it promotes annular reinforcing block to touch multitouch promotion annular through rotatory annular for annular reinforcing block covers and forms the support protective structure in the joint outside, solves the joint that the earth pressure of darker caused and warp the leakage, and annular reinforcing block is sliding structure simultaneously, does not influence the normal erection use that connects.

Description

High leakproofness rotary joint

Technical Field

The utility model relates to a connect technical field, specifically be a high leakproofness rotary joint.

Background

The joint is a pipeline connecting device, and the connected pipelines can rotate relatively, so that the joint can be used for conveying various media such as gas, liquid, oil and the like, and is very widely applied.

When the existing joint is installed in a butt joint mode, only one sealing structure is adopted inside the joint, leakage can occur at the joint along with the prolonging of the service time, meanwhile, a part of the joint is buried underground, the joint is subjected to large pressure generated by soil, the stress deformation of the joint is easily caused, and the sealing performance is affected, so that the problem is improved by a high-sealing-performance rotary joint.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high leakproofness rotary joint to current joint that proposes in solving above-mentioned background art is when the butt joint installation, and inside only adopts one seal structure, and along with live time's extension, joint department just probably appears leaking, and the part connects to bury underground use deeply simultaneously, and soil produces great pressure to joint department, causes the stress deformation of joint department easily, influences sealing performance's problem.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a high leakproofness rotary joint, includes the connector, the left fixed surface of connector installs first flange, be provided with the protection component on the surface of connector, the middle part fixed mounting on connector right side surface has the annular piece, the inside screw hole of seting up of annular piece, the right side of connector is rotated and is installed the butt joint, the right fixed surface of butt joint installs the second flange, the middle part fixed mounting on butt joint left side surface has the annular thread piece, it is fixed through the mutually supporting spiro union of screw hole and annular thread piece between connector and the butt joint, the connector is provided with double seal subassembly with the laminating department of butt joint.

Preferably, the dual seal assembly includes a first annular seal gasket fixedly mounted on the right surface of the annular block, the inner wall diameter of the first annular seal gasket being greater than the inner wall diameter of the threaded bore.

Preferably, the right side of annular screw block surface is provided with the second annular sealed pad of fixed mounting on the left surface of butt joint, the left surface of second annular sealed pad and the right surface of first annular sealed pad are laminated mutually.

Preferably, a fourth annular sealing gasket is fixedly mounted on the left surface of the annular thread block, a third annular sealing gasket is fixedly mounted at the bottom of the inner wall of the annular block, and the right surface of the third annular sealing gasket is attached to the left surface of the fourth annular sealing gasket.

Preferably, the protection component comprises an annular contact block, the left side of the outer surface of the connector is in threaded installation of the annular contact block, a first thread groove is formed in the inner part of the annular contact block, a second thread groove is formed in the middle of the outer surface of the connector, and the annular contact block and the connector are fixed through the mutually-matched threads of the first thread groove and the second thread groove.

Preferably, the right side slidable mounting of connector surface has annular reinforcing block, annular reinforcing block's inner wall diameter is greater than the outer wall diameter of connector and butt joint, the right side fixed mounting of butt joint surface has the spacing ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the double seal subassembly that sets up, the first annular packing pad and the second annular packing pad that utilize laminating mutually form first seal structure, and the third annular packing pad and the fourth annular packing pad that utilize laminating mutually form second seal structure simultaneously, greatly increased the sealing performance who connects, increase the stability of joint in long-time use.

2. The utility model discloses in, through the protection component who sets up, after the joint installation is accomplished, through rotatory annular touch multitouch promotion annular reinforcing block for annular reinforcing block covers and forms the support protective structure in the joint outside, solves the joint that the earth pressure of deeper depths caused and warp and leak, and annular reinforcing block is sliding structure simultaneously, does not influence the normal erection and use that connects.

Drawings

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

FIG. 2 is a schematic plan view of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

fig. 4 is a schematic view of the splitting structure of the present invention.

In the figure: 1. a connector; 2. a first connecting flange; 3. butt joint; 4. a second connecting flange; 5. an annular block; 6. a threaded hole; 7. an annular thread block; 8. a double seal assembly; 9. a guard assembly; 81. a first annular seal; 82. a second annular seal; 83. a third annular seal; 84. a fourth annular seal; 91. an annular contact block; 92. a first thread groove; 93. a second thread groove; 94. an annular reinforcing block; 95. a limit ring.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a high-sealing rotary joint, which comprises:

the utility model provides a high leakproofness rotary joint, including connector 1, the left fixed surface of connector 1 installs first connecting flange 2, be provided with protection component 9 on the surface of connector 1, the middle part fixed mounting on the 1 right side surface of connector has annular piece 5, the inside screw hole 6 of seting up of annular piece 5, the right side of connector 1 is rotated and is installed butt joint 3, the right fixed surface of butt joint 3 installs second flange 4, the middle part fixed mounting on the 3 left surfaces of butt joint has annular thread piece 7, it is fixed through the mutually supporting spiro union of screw hole 6 and annular thread piece 7 between connector 1 and the butt joint 3, connector 1 is provided with double seal subassembly 8 with the laminating department of butt joint 3.

In this embodiment, referring to fig. 1, 2 and 3, the dual sealing assembly 8 includes a first annular gasket 81, the first annular gasket 81 is fixedly installed on the right surface of the annular block 5, the inner wall diameter of the first annular gasket 81 is greater than the inner wall diameter of the threaded hole 6, a second annular gasket 82 fixedly installed on the left surface of the docking head 3 is disposed on the right side of the outer surface of the annular screw block 7, the left surface of the second annular gasket 82 is attached to the right surface of the first annular gasket 81, a fourth annular gasket 84 is fixedly installed on the left surface of the annular screw block 7, a third annular gasket 83 is fixedly installed on the bottom of the inner wall of the annular block 5, the right surface of the third annular gasket 83 is attached to the left surface of the fourth annular gasket 84, when the dual sealing assembly is installed, the annular screw block 7 on the left surface of the docking head 3 is aligned to the threaded hole 6 and rotated to the bottom, the first annular gasket 81 on the right surface of the annular block 5 and the second annular gasket 82 on the left surface of the docking head 3 are attached to each other, a first sealing structure is formed, and the dual sealing assembly and the first annular gasket 83 and the dual sealing assembly is attached to the left sealing structure, and the first annular gasket 84, the dual sealing assembly is formed by the first annular gasket 81 and the first annular gasket 82, and the second sealing structure, and the dual sealing structure are formed by the first annular gasket in the process of the first annular gasket 81, and the first annular gasket, and the second gasket, and the dual sealing structure are greatly increased in the process of the seal structure in the process of the first annular gasket in the process.

In this embodiment, referring to fig. 1 and fig. 4, the protection component 9 includes an annular contact block 91, the annular contact block 91 is installed on the left side of the outer surface of the connector 1 in a threaded manner, a first thread groove 92 is formed inside the annular contact block 91, a second thread groove 93 is formed in the middle of the outer surface of the connector 1, the annular contact block 91 and the connector 1 are fixed in a threaded manner by matching the first thread groove 92 and the second thread groove 93, an annular reinforcing block 94 is installed on the right side of the outer surface of the connector 1 in a sliding manner, the inner wall diameter of the annular reinforcing block 94 is larger than the outer wall diameters of the connector 1 and the connector 3, a limiting ring 95 is fixedly installed on the right side of the outer surface of the connector 3, after the connector is completely butted, the annular contact block 91 rotates towards the right side, the annular reinforcing block 94 is pushed towards the right side under the action of the second thread groove 93 and the first thread groove 92, until the right surface of the annular reinforcing block 94 is mutually attached to the limiting ring 95 on the connector 3, the annular contact block 94 covers the outer side of the connector to form an effective protective ring, the protective ring 94 is pushed by the annular contact block 91, so that the protective ring 94, the protective block 94 can be installed on the outer side of the connector, and the protective joint, and the protective structure can be prevented from being damaged by the soil leakage.

The utility model discloses the theory of operation: during installation, the annular threaded block 7 on the left surface of the butt joint 3 is aligned with the threaded hole 6 and rotates until the annular threaded block rotates to the bottommost part, at the moment, the first annular sealing gasket 81 on the right surface of the annular block 5 and the second annular sealing gasket 82 on the left surface of the butt joint 3 are mutually attached to form a first sealing structure, meanwhile, the third annular sealing gasket 83 in the inner wall of the annular block 5 and the fourth annular sealing gasket 84 on the left surface of the annular threaded block 7 are mutually attached to form a second sealing structure, the butt joint of the joint is completed, then the annular contact block 91 rotates to the right side, the annular contact block 91 pushes the annular reinforcing block 94 to the right side under the action of the second thread groove 93 and the first thread groove 92 until the right surface of the annular reinforcing block 94 and the limiting ring 95 on the butt joint 3 are mutually attached, at the moment, the annular sealing block 94 covers and wraps the outer side of the joint to form effective protection, pressure bearing can be achieved, the joint is protected, and the design is more humanized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high leakproofness rotary joint, includes connector (1), its characterized in that: the left side fixed surface of connector (1) installs first connecting flange (2), be provided with protection component (9) on the surface of connector (1), the middle part fixed mounting on connector (1) right side surface has annular piece (5), threaded hole (6) are seted up to the inside of annular piece (5), the right side of connector (1) is rotated and is installed butt joint (3), the right fixed surface of butt joint (3) installs second flange (4), the middle part fixed mounting on butt joint (3) left side surface has annular thread piece (7), it is fixed with the spiro union of mutually supporting through screw hole (6) and annular thread piece (7) between connector (1) and butt joint (3), connector (1) and the laminating department of butt joint (3) are provided with double seal subassembly (8).

2. A high-sealability rotary joint according to claim 1, wherein: the double sealing assembly (8) comprises a first annular sealing gasket (81), the first annular sealing gasket (81) is fixedly installed on the right surface of the annular block (5), and the diameter of the inner wall of the first annular sealing gasket (81) is larger than that of the inner wall of the threaded hole (6).

3. A high-sealability rotary joint according to claim 1, wherein: the right side of annular screw block (7) surface is provided with second annular seal pad (82) of fixed mounting on butt joint (3) left surface, the left surface of second annular seal pad (82) and the right surface of first annular seal pad (81) are laminated mutually.

4. A high-sealability rotary joint according to claim 1, wherein: the left surface of annular screw piece (7) is gone up fixed mounting and is had fourth annular sealed pad (84), the inner wall bottom fixed mounting of annular piece (5) has third annular sealed pad (83), the right surface of third annular sealed pad (83) and the left surface of fourth annular sealed pad (84) laminate mutually.

5. A high-sealability rotary joint according to claim 1, wherein: protection component (9) are including annular touch multitouch (91), annular touch multitouch (91) threaded mounting is in the left side of connector (1) surface, first thread groove (92) have been seted up to the inside of annular touch multitouch (91), second thread groove (93) have been seted up at the middle part of connector (1) surface, the annular touch multitouch (91) and connector (1) between through the screw thread of mutually supporting of first thread groove (92) and second thread groove (93) fixed.

6. A high-sealability rotary joint according to claim 1, wherein: the right side slidable mounting of connector (1) surface has annular reinforcing block (94), the inner wall diameter of annular reinforcing block (94) is greater than the outer wall diameter of connector (1) and butt joint (3), the right side fixed mounting of butt joint (3) surface has spacing ring (95).