CN111043431A

CN111043431A - Swivel joint head/elbow joint

Info

Publication number: CN111043431A
Application number: CN202010023364.7A
Authority: CN
Inventors: 侯树旗; 李永晖
Original assignee: Shanghai Zhongji Machinery Co ltd
Current assignee: Shanghai Zhongji Machinery Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-04-21

Abstract

A rotary joint head/elbow joint comprises a joint head/elbow, a rotary sleeve, a connecting flange and a crimping flange; the longitudinal section of the rotary sleeve is step-shaped, wherein the upper part is a sleeve and the bottom part is a circular ring; the joint/elbow comprises a free end and a fixed end, wherein the fixed end is connected with the sleeve; the flange plate of the connecting flange is provided with a chute, and the chute is used for arranging the circular ring and enabling the circular ring to rotate in the chute; the crimping flange is sleeved on the circular ring and is fixedly connected with the connecting flange, so that the rotary sleeve can rotate on the fixedly connected connecting flange and the crimping flange through the circular ring. According to the rotary joint head/elbow connector provided by the embodiment of the invention, after the connecting flange and the crimping flange are fixedly connected to the moving part of the production equipment and the hose is inserted on the joint head/elbow, the hose can rotate along with the rotary sleeve when the moving part moves in a reciprocating manner, so that the hose is not bent any more, a pipeline becomes smoother, the hose is protected from being broken and damaged, and the production and safety are ensured.

Description

Swivel joint head/elbow joint

Technical Field

The invention relates to a joint head/elbow joint, in particular to a rotary joint head/elbow joint, and belongs to the technical field of machine manufacturing.

Background

The hose and the equipment are usually connected through a joint head, one end of the joint head is connected with the equipment main body through a flange or other connection methods, the other end of the joint head is connected with the hose in an inserting mode, and the hose and the joint head can be clamped tightly by a clamp at the joint of the hose and the joint head so as to prevent the hose from falling off.

There are various forms and functions of the articulating head/elbow joint known in the art, such as:

the utility model provides a pipeline elbow, which comprises an elbow, wherein an embedding layer is fixedly connected to the inner surface of the elbow, a connecting plate is uniformly embedded in the embedding layer, a coating iron plate is arranged at one end of the connecting plate, a rotating shaft is arranged in the middle of the coating iron plate and the connecting plate clamp, the coating iron plate is rotatably connected with the connecting plate through the rotating shaft, and the inner wall of the elbow can be protected from scouring and abrasion of liquid-solid mixture through the coating iron plate, so that the service life of the elbow is prolonged;

the utility model provides a steel skeleton reinforcing nylon elbow convenient to connect that utility model patent (application No. 201821372317.8) provided, including the elbow body, bottom one side of elbow body is connected with first mounting panel, the bottom of first mounting panel is rotated and is connected with first fastening seat, the bottom opposite side of elbow body is connected with the second connecting pipe, the bottom of second connecting pipe is connected with first sealing member through flexible post, the bottom of first sealing member is connected with sealed the pad, rotates second fastening seat through the spanner, can make the pipeline install in the recess that forms in the middle of second fastening seat and first connecting pipe, is convenient for the connection of pipeline and elbow body, and after the pipeline is connected with the elbow body, through the resilience of sealing spring and flexible post, can be with the inseparable laminating of second sealing member on the pipeline, combine sealed pad, can be after the pipeline installation on the elbow body, sealing the pipeline and the elbow body;

the invention provides a variable angle elbow of a plug-in type railing (application number 201810060890.3), which is assembled by plastic prefabricated parts formed by a mold. The plastic prefabricated part comprises a single-ring sleeve and a double-ring sleeve which are respectively provided with a socket, the diameters and the wall thicknesses of the sleeves are the same, the single-ring sleeve can be embedded between two rings of the double-ring sleeve, a section of plastic pipe is used as a shaft sleeve and is inserted into the sleeves which are embedded together in a stacked mode, the two sockets can freely rotate by taking the same circle center as the axis, and the turning problem of the fence at various angles is solved;

the invention discloses a reversing type rotary joint structure which is disclosed in the patent application (application number 201811098220.7), and comprises a joint body and a rotary sleeve, wherein the upper end of the joint body is provided with a rotary cavity, the bottom of the rotary cavity is provided with a graphite bearing, the outer side of the rotary sleeve is provided with a limiting convex ring, the outer side of the rotary sleeve is positioned at the upper end of the limiting convex ring and is provided with a deep groove ball bearing, and an opening at the upper end of the rotary cavity is provided with an end cover; the lower end of the joint body is provided with a transversely through liquid outlet channel, the bottom of the rotating cavity is provided with two shunting holes communicated with the side wall of the liquid outlet through groove, the left end of the joint body is provided with a left elbow communicated with the left end of the liquid outlet channel, the right end of the joint body is provided with a right elbow communicated with the right end of the liquid outlet channel, the outer side of the right elbow is provided with a stepping electric cylinder, a sliding rod is arranged in the liquid outlet channel, the left end of the sliding rod is provided with a piston, the right end of the sliding rod is connected with the electric cylinder, and the circumferential surface of the piston is provided;

a novel elbow with pressure plugging provided by a utility model (application number 201821367964.X) comprises a first part of elbow and a second part of elbow, the first part of elbow and the second part of elbow are mutually corresponding, the first part of elbow and the second part of elbow are fixedly connected through a limiting mechanism, an arc-shaped bending plate with the same shape as the second part elbow is arranged between the first part elbow and the second part elbow, the arc-shaped bending plate is fixedly connected with a second part elbow through an elastic limiting mechanism, the second part elbow is provided with a first threaded hole, a matched threaded rod is arranged in the first threaded hole, one end of the threaded rod is rotationally connected with the arc-shaped bending plate, the other end of the threaded rod extends out of the first threaded hole and is coaxially and fixedly connected with a rotating block, so that the utility model can be suitable for plugging 90-degree elbows with different pipe diameters;

the aviation plug structure, the electric control box device and the electric vehicle provided by the invention patent application (application number 201910372886.5) comprise a socket structure, a plug structure, an elbow structure and a connecting ring structure; the socket structure comprises a socket main body and a socket threaded connecting part arranged at the end part of the socket main body; the elbow structure comprises an elbow main body, a first elbow buckle structure and a second elbow buckle structure, wherein the first elbow buckle structure and the second elbow buckle structure are arranged at one end of the elbow main body; the plug structure comprises a plug main body and a plug buckle structure arranged at one end of the plug main body, and the plug buckle structure is buckled with the first elbow buckle structure in a unidirectional rotation manner; the connecting ring structure comprises a connecting ring main body, a connecting ring threaded connection part and a connecting ring buckle structure, wherein the connecting ring threaded connection part is arranged at one end of the connecting ring main body and is in threaded connection with the socket threaded connection part, and the connecting ring buckle structure is arranged at the other end of the connecting ring main body and is movably buckled with the second elbow buckle structure.

The joint head/elbow joint described above has achieved corresponding technical effects in its field of application.

However, in some production equipment, it is sometimes necessary to connect two ends of the hose to the fixed component and the movable component of the equipment respectively, when the equipment is in operation, the movable component continuously reciprocates relative to the fixed component, and during the continuous reciprocating motion of the movable component, the hose is continuously pulled and bent, as shown in fig. 1, the normal structure diagram of the hose after the fixed joint/elbow joint and the hose are connected, and fig. 2, the structure diagram of the bent state of the hose after the fixed joint/elbow joint and the hose are connected.

Because the hose is constantly pulled and bent, the hose is easy to break, production is affected, accidents can be caused, and even personnel injury can be caused. The joint head/elbow joint in the prior art is fixed to the equipment and cannot move along with the movement of the moving part on the production equipment, so that the hose cannot be protected, and the production and safety are threatened.

Disclosure of Invention

In order to overcome the defects of the prior art, the embodiment of the invention provides a rotary joint head/elbow connector, and aims to enable a hose connected to a moving part of production equipment to be capable of rotating when the moving part moves in a reciprocating manner through the rotary joint head/elbow connector, so that the hose is prevented from being bent, the hose is protected, and production and safety are guaranteed.

In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:

a revolute joint head/elbow comprising: a joint/elbow, a rotary sleeve, a connecting flange and a crimping flange;

the longitudinal section of the rotary sleeve is step-shaped, wherein the upper part of the rotary sleeve is a sleeve, and the bottom of the rotary sleeve is a circular ring;

the joint/elbow comprises a free end and a fixed end, and the fixed end is connected with the sleeve;

a flange plate of the connecting flange is provided with a sliding groove, and the sliding groove is used for accommodating the circular ring and enabling the circular ring to rotate in the sliding groove;

the crimping flange is sleeved on the circular ring and fixedly connected with the connecting flange, so that the rotating sleeve can rotate on the fixedly connected connecting flange and the crimping flange through the circular ring of the rotating sleeve.

Furthermore, the connecting flange is further provided with a bushing, the bushing is arranged on the inner ring of the sliding groove and connected with the flange plate of the connecting flange, a sealing groove is formed in the sleeve wall of the bushing, and a sealing ring is arranged in the sealing groove.

Further, the sealing groove has more than 1, the sealing washer is O type sealing washer/flat sealing washer.

Preferably, there are 3 seal grooves, the sealing washer is an O type sealing washer with each flat sealing washer of O type sealing washer both sides.

Furthermore, an oil filling hole is further formed in the sleeve, and an oil can is arranged on the oil filling hole.

Furthermore, the sleeve is also provided with a tooth sleeve, the tooth sleeve is provided with an external thread, an internal thread is arranged in the fixed end of the joint head/elbow joint, and the joint head/elbow joint is connected to the rotating sleeve through the internal thread in the fixed end of the joint head/elbow joint and the external thread on the tooth sleeve in a matching manner.

Furthermore, the swivel joint head/elbow joint further comprises a pagoda joint, and the pagoda joint is connected with the free end of the joint head/elbow.

Furthermore, the one end that the pagoda connects is equipped with the intubate barb, the other end that the pagoda connects is equipped with the external screw thread, be equipped with the external screw thread in the free end of festival head/elbow, the pagoda connect with festival head/elbow passes through threaded connection.

The invention has the beneficial effects and remarkable progress that:

1) the rotary joint head/elbow joint provided by the embodiment of the invention comprises a joint head/elbow, a rotary sleeve, a connecting flange and a crimping flange, wherein the rotary sleeve comprises an upper sleeve and a bottom circular ring, a sliding groove is arranged on a flange plate of the connecting flange, the fixed end of the joint head/elbow is connected with the sleeve, the circular ring can rotate in the sliding groove, and the crimping flange is sleeved on the circular ring and is fixedly connected with the connecting flange, so that the rotary sleeve can rotate on the fixedly connected connecting flange and the crimping flange through the circular ring;

2) the rotary joint head/elbow joint provided by the embodiment of the invention has the advantages of novel and unique design, simple and convenient manufacture, safe and reliable work, low cost and excellent effect, thus having great popularization and application values.

Drawings

To more clearly illustrate the technical solution of the present invention, the drawings required for the embodiment of the present invention will be briefly described below.

It should be apparent that the drawings in the following description are only drawings of some embodiments of the invention, and that other drawings can be obtained by those skilled in the art without inventive exercise, and the other drawings also belong to the drawings required by the embodiments of the invention.

FIG. 1 is a schematic diagram of a hose with a fixed joint head/elbow connector connected to the hose in the prior art;

FIG. 2 is a schematic view of a prior art hose bending state structure after a fixed joint head/elbow connector is connected with a hose;

FIG. 3 is a schematic cross-sectional view of a rotary joint head according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a swivel elbow connector according to an embodiment of the present invention;

FIG. 5 is a perspective view of a swivel elbow joint according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a rotary joint head/elbow connector according to an embodiment of the present invention;

fig. 7 is a perspective view illustrating an exploded structure of a connecting flange of a swivel joint head/elbow joint according to an embodiment of the present invention;

FIG. 8 is a perspective view of a swivel elbow coupling according to an embodiment of the present invention;

FIG. 9 is a schematic diagram of a hose with a swivel joint/elbow connector connected to the hose according to an embodiment of the present invention;

FIG. 10 is a schematic view of a flexible pipe bending state after a swivel joint head/elbow connector is connected to the flexible pipe according to an embodiment of the present invention;

in the figure:

1-rotating joint head/elbow joint, 1' -fixed joint head/elbow joint, 2-hose;

10-joint/elbow, 11-fixed end, 12-free end;

20-rotating sleeve, 21-sleeve and 22-ring;

30-connecting flange, 31-chute, 32-lining, 33-sealing groove, 34-O-shaped sealing ring and 35-flat sealing ring;

40-crimping a flange;

50-oil can 50;

60-pagoda joint.

Detailed Description

In order to make the objects, technical solutions, advantages and significant progress of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings provided in the embodiments of the present invention, and it is obvious that all of the described embodiments are only some embodiments of the present invention, but not all 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.

It should be noted that the terms "first", "second", and "third" (if present) and the like in the description and claims of the present invention and the accompanying drawings of the embodiments of the present invention are used only for distinguishing different objects and not for describing a particular order. Furthermore, the terms "comprises" and any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

It is to be understood that in the description of the embodiments of the present invention, the terms "upper", "lower", "top", "bottom", and other indicative orientations and positions are only used based on the orientation and position relationship shown in the drawings of the embodiments of the present invention, and are used for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element in question must have a specific orientation, a specific orientation configuration and operation, and therefore, should not be taken as limiting the present invention.

In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be understood broadly, and for example, may be fixedly connected, detachably connected, movably connected, or integrated; either directly or indirectly through intervening media, either internally or in any other relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It should be further noted that the following embodiments may be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.

The technical means of the present invention will be described in detail below with specific examples.

Example one

Fig. 3 is a schematic sectional structure view of a rotary joint head according to an embodiment of the present invention, fig. 4 is a schematic sectional structure view of a rotary elbow joint according to an embodiment of the present invention, fig. 5 is a schematic perspective structure view of a rotary elbow joint according to an embodiment of the present invention, fig. 6 is a schematic perspective structure view of a rotary sleeve of a rotary joint head/elbow joint according to an embodiment of the present invention, fig. 7 is a schematic perspective exploded structure view of a connecting flange of a rotary joint head/elbow joint according to an embodiment of the present invention, and fig. 8 is a schematic perspective exploded structure view of a rotary elbow joint according to an embodiment of the present invention:

a revolute joint head/elbow 1 comprising:

a joint/elbow 10, a rotary sleeve 20, a connecting flange 30 and a crimping flange 40;

the longitudinal section of the rotating sleeve 20 is step-shaped, wherein the upper part is a sleeve 21, and the bottom part is a circular ring 22;

the joint/elbow 10 comprises a free end and a fixed end 11, and the fixed end 11 is connected with the sleeve 21;

the flange plate of the connecting flange 30 is provided with a chute 31, and the chute 31 is used for placing the ring 22 and enabling the ring 22 to rotate in the chute 31;

the crimping flange 40 is pressed onto the ring 22 and is fixedly connected to the connecting flange 30, so that the rotary sleeve 20 can be rotated by its ring 22 onto the fixedly connected connecting flange 30 and crimping flange 40.

From this embodiment can be seen:

the rotary joint head/elbow 1 provided by the embodiment of the present invention includes a joint head/elbow 10, a rotary sleeve 20, a connecting flange 30, and a pressing flange 40, wherein the rotary sleeve 20 includes an upper sleeve 21 and a bottom ring 22, the flange of the connecting flange 30 is provided with a sliding slot 31, a fixed end 11 of the joint head/elbow 10 is connected with the sleeve 21, the ring 22 can rotate in the sliding slot 31, the pressing flange 40 is pressed on the ring 22 and is fixedly connected with the connecting flange 30, so that the rotary sleeve 20 can rotate on the fixedly connected connecting flange 30 and the pressing flange 40 through the ring 22, thus, after the connecting flange 30 and the pressing flange 40 are fixedly connected to a moving part of a production equipment, a hose inserted into the joint head/elbow 10 can rotate along with the rotary sleeve 20 when the moving part makes a reciprocating movement, so that the hose 2 is connected with the hose as provided by the embodiment of the present invention in fig. 9 The schematic structural diagram and the schematic structural diagram of the bent state of the hose after the swivel joint head/elbow joint provided by the embodiment of the invention is connected with the hose show that the hose 2 is not bent any more, but only bent, so that the hose is protected from being broken and damaged, and further the production and the safety are ensured.

Obviously, the rotary joint head/elbow joint provided by the embodiment of the invention has the advantages of novel and unique design, simple and convenient manufacture, safe and reliable work, low cost and excellent effect, and therefore, the rotary joint head/elbow joint has great popularization and application values.

Example two

This embodiment is a further improvement of the revolute joint head/elbow joint 1 provided in the first embodiment.

Since the present embodiment is an improvement of the first rotary joint head/elbow connector 1 provided in the first embodiment, the names of the components and the structural arrangement thereof are the same as those of the first rotary joint head/elbow connector 1 provided in the first embodiment, and thus the description thereof is not repeated.

Fig. 7 is a perspective view illustrating an exploded structure of a connecting flange of a swivel joint head/elbow joint according to an embodiment of the present invention:

the connecting flange 30 is further provided with a lining 32, the lining 32 is arranged on the inner ring of the chute 31 and connected with the flange of the connecting flange 30, a sealing groove 33 is arranged on the sleeve wall of the lining 32, and a sealing ring is arranged in the sealing groove 33.

Optionally, there are more than 1 sealing groove 33, and the sealing ring is O-ring 34/flat sealing ring 35.

Preferably, there are 3 seal grooves 33, and the seal grooves are an O-ring 34 and two flat seal rings 35 on both sides of the O-ring 34.

By arranging the bushing 32 and the sealing ring, better sealing can be achieved between the connecting flange 30 and the rotary sleeve 20, so that the rotary joint head/elbow joint provided by the embodiment can be applied to not only common normal-temperature gas media, but also high-temperature and high-pressure gas or liquid media, and the application range is expanded.

Fig. 4 is a schematic sectional structure view of a rotary elbow joint according to an embodiment of the present invention, fig. 6 is a schematic perspective structure view of a rotary joint head/elbow joint according to an embodiment of the present invention and fig. 8 is a schematic perspective view of an exploded structure of a rotary elbow joint according to an embodiment of the present invention:

the sleeve 20 is further provided with an oil filling hole 23, and the oil can 50 is arranged on the oil filling hole 23.

The oil filling hole 23 and the oil pot 50 are arranged on the rotating sleeve, so that lubricating oil is filled into the rotating sleeve through the oil filling hole 23, the rotating sleeve can smoothly rotate on the sliding groove 31 or the sliding groove 31 and the lining 32, and the function failure of the rotating sleeve is prevented.

Furthermore, a tooth sleeve 24 can be arranged on the sleeve 20, an external thread is arranged on the tooth sleeve 24, an internal thread is arranged in the fixed end 11 of the joint head/elbow joint 10, and the joint head/elbow joint 10 is connected with the external thread on the tooth sleeve 24 of the rotary sleeve 20 in a matching way through the internal thread in the fixed end 11.

Such an improvement enables a more convenient connection of the articulated head/elbow 10 to the swivel sleeve 20.

Fig. 3 is a schematic sectional structure view of a rotary joint head according to an embodiment of the present invention, fig. 4 is a schematic sectional structure view of a rotary elbow joint according to an embodiment of the present invention, fig. 5 is a schematic perspective structure view of a rotary elbow joint according to an embodiment of the present invention, and fig. 8 is a schematic perspective view of an exploded structure of a rotary elbow joint according to an embodiment of the present invention:

the embodiment of the present invention provides a swivel head/elbow connector further comprising a pagoda joint 60, wherein the pagoda joint 60 is connected to the free end 12 of the elbow connector 10.

Further, one end of the pagoda joint 60 is provided with an intubation barb, the other end of the pagoda joint 60 is provided with an external thread, the free end 11 of the elbow joint 10 is provided with an external thread, and the pagoda joint 60 is in threaded connection with the elbow joint 10.

It is clear that the connection to the hose 2 can be made more easily by means of the pagoda joint 60.

In summary, it can be seen that:

first, according to the rotary joint head/elbow connector provided by the embodiment of the present invention, the rotary sleeve can rotate on the connecting flange and the crimping flange which are fixedly connected through the circular ring of the rotary sleeve, so that after the connecting flange and the crimping flange are connected to the moving part of the production equipment, the hose inserted into the joint head/elbow can rotate along with the rotary sleeve when the moving part makes reciprocating movement, so that the hose is not bent any more, and the whole pipeline is more flexible and smoother, thereby protecting the hose and ensuring production and safety;

secondly, the rotary joint head/elbow joint provided by the embodiment of the invention has the advantages of novel and unique design, simple and convenient manufacture, safe and reliable work, low cost and excellent effect, thereby having great popularization and application values.

During the description of the above description:

the description of the terms "this embodiment," "an embodiment of the invention," "as shown at … …," "further improved technical solution," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention; in this specification, the schematic representations of the terms used above are not necessarily for the same embodiment or example, and the particular features, structures, materials, or characteristics described, etc., may be combined or brought together in any suitable manner in any one or more embodiments or examples; furthermore, those of ordinary skill in the art may combine or combine features of different embodiments or examples and features of different embodiments or examples described in this specification without undue conflict.

Finally, it should be noted that:

the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same;

although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that various changes and modifications may be made, and equivalents may be substituted for elements thereof without departing from the scope of the embodiments of the present invention.

Claims

1. A revolute joint/elbow joint, comprising:

a joint/elbow, a rotary sleeve, a connecting flange and a crimping flange;

2. The revolute joint/elbow joint of claim 1, wherein: the connecting flange is further provided with a bushing, the bushing is arranged on the inner ring of the sliding groove and connected with the flange plate of the connecting flange, a sealing groove is formed in the sleeve wall of the bushing, and a sealing ring is arranged in the sealing groove.

3. The revolute joint/elbow joint of claim 2, wherein: the sealing groove has more than 1, the sealing washer is O type sealing washer/flat sealing washer.

4. The revolute joint/elbow joint of claim 3, wherein: the sealing groove has 3, the sealing washer is an O type sealing washer with each flat sealing washer of O type sealing washer both sides.

5. The revolute joint/elbow joint of claim 1, wherein: an oil filling hole is further formed in the sleeve, and an oil can is arranged on the oil filling hole.

6. The revolute joint/elbow joint of claim 1, wherein: the joint head/elbow joint is characterized in that a tooth sleeve is further arranged on the sleeve, an external thread is arranged on the tooth sleeve, an internal thread is arranged in the fixed end of the joint head/elbow joint, and the joint head/elbow joint is connected to the rotary sleeve in a matched mode through the internal thread in the fixed end of the joint head/elbow joint and the external thread on the tooth sleeve.

7. The revolute joint/elbow joint of claim 1, wherein: the tower joint is connected with the free end of the joint/elbow.

8. The revolute joint/elbow joint of claim 7, wherein: one end of the pagoda joint is provided with an intubation barb, the other end of the pagoda joint is provided with an external thread, the free end of the joint head/elbow is internally provided with an external thread, and the pagoda joint is connected with the joint head/elbow through a thread.