CN113339268B

CN113339268B - Heavy rotary joint

Info

Publication number: CN113339268B
Application number: CN202110627683.3A
Authority: CN
Inventors: 胡月兰
Original assignee: Ningbo Idyllic Hydraulic Manufacture Co ltd
Current assignee: Ningbo Idyllic Hydraulic Manufacture Co ltd
Priority date: 2021-06-05
Filing date: 2021-06-05
Publication date: 2022-08-05
Anticipated expiration: 2041-06-05
Also published as: CN113339268A

Abstract

The invention relates to the technical field of heavy rotary joints, in particular to a heavy rotary joint which comprises a joint body and an inner pipe arranged in the joint body, wherein a bearing is also connected in the joint body, a rotary pipe is arranged on the bearing, a conveying device is rotatably connected on the inner pipe and comprises a sliding sleeve, the sliding sleeve is sleeved on the inner pipe, a spiral sleeve is arranged on the sliding sleeve, a connecting device is arranged on the inner wall of the rotary pipe and comprises a straight groove, the straight groove is arranged on the inner wall of the rotary pipe, a sliding block is connected in the straight groove in a sliding mode, the sliding block is connected with the straight groove through a first spring, and the sliding block is connected with the spiral sleeve. According to the invention, through the matching of the rotating pipe and the spiral sleeve, liquid is rapidly conveyed out by utilizing the spiral arrangement of the spiral sleeve, so that the device does not circulate by utilizing the flow of the liquid per se, but conveys the liquid by the rotation of the spiral sleeve.

Description

Heavy rotary joint

Technical Field

The invention relates to the technical field of heavy rotary joints, in particular to a heavy rotary joint.

Background

With the rapid development of social economy, the rotary joint means: pipeline connecting device, but and the pipeline relative rotation that links to each other, can be used to the multiple medium of conveying gas, liquid, oil etc. compact design structure adopts flange formula to connect, and effectual integration is to the customer equipment in the middle of, and rotary joint's application covers each manufacturing industry almost, if: metallurgy, machine tools, power generation, petroleum, rubber, plastics, textiles, printing and dyeing, pharmacy, cigarette, paper, food and feed processing, and the like.

However, the existing heavy rotary joint can only complete circulation by means of liquid overflowing into the heavy rotary joint, so that the water liquid circulation speed is low; thus, the existing requirements are not met, for which we propose a heavy duty swivel.

Disclosure of Invention

The invention provides a heavy rotary joint which has the beneficial effect of high water liquid circulation speed and solves the problem that the heavy rotary joint in the background art can only finish circulation by liquid overflowing into the heavy rotary joint, so that the water liquid circulation speed is low.

The invention provides the following technical scheme: a heavy rotary joint comprises a joint body and an inner pipe arranged in the joint body, wherein a bearing is further connected in the joint body, a rotary pipe is arranged on the bearing, a conveying device is rotatably connected on the inner pipe and comprises a sliding sleeve, the sliding sleeve is sleeved on the inner pipe, a spiral sleeve is arranged on the sliding sleeve, a connecting device is arranged on the inner wall of the rotary pipe and comprises a straight groove, the straight groove is arranged on the inner wall of the rotary pipe, a sliding block is slidably connected in the straight groove and is connected with the straight groove through a first spring, and the sliding block is connected with the spiral sleeve;

still install transmission on the sliding sleeve, the inner wall that connects the body still is connected with the extrusion piece, transmission is used for contradicting the extrusion piece.

As an alternative to the heavy duty rotary joint of the present invention, wherein: still install adjusting device in the swinging tube, adjusting device includes the disc, disc sliding connection is in the inside of swinging tube, the inside looks adaptation of disc and swinging tube, set up on the disc and put the circulation groove, the circulation groove is used for circulating liquid, it is connected with sealing device still to rotate on the sliding sleeve, the inside of swinging tube still is provided with the spout, sealing device sliding connection is in the inside of spout, sealing device is used for sealed circulation groove, just still install the connecting block on the circulation groove, buckle device is still installed to the inner wall of swinging tube, buckle device is used for restricting the disc.

As an alternative to the heavy duty rotary joint of the present invention, wherein: the inner wall of the joint body is further provided with a limiting device, the limiting device comprises a connecting sleeve, the connecting sleeve is fixedly connected to the inner wall of the joint body, a push rod is connected to the connecting sleeve in a sliding mode, the push rod is connected with the connecting sleeve through a fourth spring, and the push rod is connected with the extrusion block.

As an alternative to the heavy duty rotary joint of the present invention, wherein: sliding connection has the card post on the push rod, the card post passes through third spring coupling with the push rod, still be provided with on the link sleeve and erect the hole, the card post is used for running through perpendicular hole, still install on the sliding sleeve and stretch out the strip, it is used for contradicting the card post to stretch out the strip.

As an alternative to the heavy duty rotary joint of the present invention, wherein: the transmission device comprises an inclined plane block, the inclined plane block is connected to one side of the sliding sleeve, a blocking piece is fixedly mounted at one end of the inclined plane block, and the extrusion block is used for abutting against the blocking piece.

As an alternative to the heavy duty rotary joint of the present invention, wherein: the buckle device comprises a second spring, the second spring is connected to the inner wall of the rotating pipe, the disc is connected with the rotating pipe through the second spring, a round hole is formed in one side of the disc, a taper rod is further installed on the inner wall of the rotating pipe, the taper rod penetrates through the second spring and is used for penetrating through the round hole, and a push plate is further installed on one side of the sliding sleeve.

As an alternative to the heavy duty rotary joint of the present invention, wherein: one side of the sealing device is fixedly provided with a connecting block, one side of the disc is provided with a square groove, and the connecting block is matched with the square groove.

The invention has the following beneficial effects:

1. this heavy rotary joint, through the cooperation of rotating tube with the spiral shell, the spiral setting that utilizes the spiral shell carries out liquid fast away for the device is not circulating in the flow that utilizes liquid self, and carries liquid through the rotation of spiral shell.

2. This heavy rotary joint, through disc and sealing device's cooperation, drive sealing device through the sliding sleeve and slide for the sealing device buckle is sealed in the inside at circulation groove, and along with the sliding sleeve continues to drive sealing device and slides, sealing device pulling disc slides, because the inside looks adaptation of disc and rotating tube, thereby lead to the disc to produce the negative pressure in one side of rotating tube, and then the outside liquid of extraction rotating tube gets into the inside of rotating tube.

Drawings

Fig. 1 is an overall half-sectional view of the present invention.

Fig. 2 is a schematic structural diagram of the connecting device and the conveying device of the present invention.

FIG. 3 is a schematic view of a portion of the structure of FIG. 1 according to the present invention.

FIG. 4 is a schematic view of a portion of the structure shown in FIG. 1 at B according to the present invention.

Fig. 5 is a partial structure of fig. 2 at C according to the present invention.

In the figure: 1. a connector body; 2. a bearing; 3. rotating the tube; 4. an inner tube; 5. a conveying device; 6. an adjustment device; 7. a sealing device; 8. a connecting device; 9. a limiting device; 10. extending the strip; 11. a transmission device; 12. extruding the block; 13. a chute; 14. connecting blocks; 15. a buckle device; 16. pushing the plate; 51. a sliding sleeve; 52. a spiral sleeve; 81. a slider; 82. a straight groove; 83. a first spring; 61. a disc; 62. a circulation tank; 63. a square groove; 64. a circular hole; 151. a second spring; 152. a tapered rod; 111. a bevel block; 112. a baffle plate; 91. connecting sleeves; 92. a push rod; 93. a fourth spring; 94. vertical holes; 95. clamping the column; 96. and a third spring.

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.

Example 1

Referring to fig. 1-2, a heavy rotary joint comprises a joint body 1 and an inner tube 4 installed in the joint body 1, the joint body 1 is also connected with a bearing 2, the bearing 2 is provided with a rotary tube 3, the inner tube 4 is rotatably connected with a conveying device 5, the conveying device 5 comprises a sliding sleeve 51, the sliding sleeve 51 is sleeved on the inner tube 4, the sliding sleeve 51 is provided with a spiral sleeve 52, the inner wall of the rotary tube 3 is provided with a connecting device 8, the connecting device 8 comprises a straight groove 82, the straight groove 82 is arranged on the inner wall of the rotary tube 3, the straight groove 82 is slidably connected with a sliding block 81, the sliding block 81 is connected with the straight groove 82 through a first spring 83, and the sliding block 81 is connected with the spiral sleeve 52;

the sliding sleeve 51 is further provided with a transmission device 11, the inner wall of the joint body 1 is further connected with an extrusion block 12, and the transmission device 11 is used for abutting against the extrusion block 12.

In this embodiment:

accelerating conveying: by connecting the rotating pipe 3 to a device needing to rotate, the rotating pipe 3 rotates to drive the sliding block 81 to rotate, the sliding block 81 drives the spiral sleeve 52 to rotate, and liquid is quickly conveyed out by utilizing the spiral arrangement of the spiral sleeve 52, so that the device does not utilize the flow of the liquid to circulate, but conveys the liquid by utilizing the rotation of the spiral sleeve 52;

primary negative pressure extraction: through installing transmission 11 in one side of sliding sleeve 51, when transmission 11 contradicts at the surface of extrusion piece 12, transmission 11 receives the extrusion of extrusion piece 12 to slide to one side, thereby utilize the slip drive sliding sleeve 51 and the slip of spiral shell 52 of transmission 11, because the diameter size of spiral shell 52 and the inside looks adaptation of rotatory pipe 3, can form the negative pressure in the inside of rotatory pipe 3 after making spiral shell 52 slide, thereby extract the outside liquid entering of rotatory pipe 3 inside of rotatory pipe 3, do not rely on the flow of liquid self, make the circulation that the device can accelerate water liquid, and because spiral shell 52 is carrying liquid at the spiral, the stroke of spiral shell 52 spiral has further been shortened through the slip of spiral shell 52, make spiral shell 52 carry liquid more fast.

Example 2

The embodiment is an improvement made on the basis of embodiment 1, as shown in fig. 1-3, an adjusting device 6 is further installed in the rotary tube 3, the adjusting device 6 includes a disc 61, the disc 61 is slidably connected inside the rotary tube 3, the disc 61 is adapted to the inside of the rotary tube 3, a circulation groove 62 is formed in the disc 61, the circulation groove 62 is used for circulating liquid, a sealing device 7 is further rotatably connected to the sliding sleeve 51, a sliding groove 13 is further formed in the rotary tube 3, the sealing device 7 is slidably connected inside the sliding groove 13, the sealing device 7 is used for sealing the circulation groove 62, a connecting block 14 is further installed on the circulation groove 62, a buckling device 15 is further installed on the inner wall of the rotary tube 3, and the buckling device 15 is used for limiting the disc 61.

In this embodiment:

secondary negative pressure extraction: by arranging the disk 61 and the sealing device 7 in the rotating pipe 3, when the sliding sleeve 51 slides, the sealing device 7 is driven to slide by the sliding sleeve 51, so that the sealing device 7 is clamped and sealed in the flowing groove 62, the sealing device 7 is driven to slide along with the sliding sleeve 51, the sealing device 7 pulls the disk 61 to slide, the disk 61 is matched with the inside of the rotating pipe 3, so that the disk 61 generates negative pressure on one side of the rotating pipe 3, and then liquid outside the rotating pipe 3 is extracted into the inside of the rotating pipe 3, because the disk 61 is a complete sealing member and is different from the spiral sleeve 52, the spiral sleeve 52 is spirally arranged and is relatively sealed, but the disk 61 is matched with the sealing device 7 to form a complete sealing member, if the disk 61 and the sealing device 7 are reset simultaneously, the negative pressure is extracted into the rotating pipe 3, the liquid is sprayed out, so the clamping device 15 for limiting the sliding of the disk 61 is arranged on the inner wall of the rotating pipe 3, the sliding sleeve 51 pushes the sealing device 7 to slide in advance, the circulating groove 62 is exposed, and after liquid flows into the spiral sleeve 52, the disc 61 is reset, so that the device can better extract the liquid and accelerate circulation;

the buckling device 15 comprises a second spring 151, the second spring 151 is connected to the inner wall of the rotating pipe 3, the disc 61 is connected to the rotating pipe 3 through the second spring 151, a round hole 64 is further formed in one side of the disc 61, a taper rod 152 is further installed on the inner wall of the rotating pipe 3, the taper rod 152 penetrates through the second spring 151, the taper rod 152 is used for penetrating through the round hole 64, and the push plate 16 is further installed on one side of the sliding sleeve 51.

Through the inside at the awl pole 152 buckle to round hole 64 to fixed disc 61 is not sliding, guarantees to produce the stroke difference between disc 61 and the sealing device 7, and when the sliding sleeve 51 need reset, the sliding sleeve 51 promotes sealing device 7 roll-off inside circulation groove 62 earlier, and push pedal 16 through the surface mounting of sliding sleeve 51 promotes disc 61 and removes afterwards, makes and breaks away from between the awl pole 152 of round hole 64 inside and the round hole 64.

Example 3

The embodiment is an improvement made on the basis of embodiment 1, as shown in fig. 1 to 5, a limiting device 9 is further installed on the inner wall of the joint body 1, the limiting device 9 includes a connecting sleeve 91, the connecting sleeve 91 is fixedly connected to the inner wall of the joint body 1, a push rod 92 is slidably connected to the connecting sleeve 91, the push rod 92 is connected to the connecting sleeve 91 through a fourth spring 93, the push rod 92 is connected to the extrusion block 12, a clamping column 95 is slidably connected to the push rod 92, the clamping column 95 is connected to the push rod 92 through a third spring 96, a vertical hole 94 is further provided in the connecting sleeve 91, the clamping column 95 is used for penetrating through the vertical hole 94, an extending strip 10 is further installed on the sliding sleeve 51, and the extending strip 10 is used for abutting against the clamping column 95.

In this embodiment:

and (3) fast drawing: according to embodiment 1, the transmission device 11 pulls the sliding sleeve 51 through the limit of the extrusion block 12, the extrusion block 12 gradually pushes against the transmission device 11, so that the transmission device 11 pulls the sliding sleeve 51, but the pulling effect is not good, by providing the slidable push rod 92 on the inner wall of the connector body 1, when the transmission device 11 pushes against the extrusion block 12, the extrusion block 12 slides to one side, the push rod 92 is pushed by the extrusion block 12 to slide, the push rod 92 compresses the fourth spring 93, when the clamping column 95 on one side of the push rod 92 is clamped inside the vertical hole 94, the push rod 92 and the extrusion block 12 are fixed inside the connecting sleeve 91, at this time, the sliding sleeve 51 continues to select, when the extending strip 10 moved by the sliding sleeve 51 pushes against the clamping column 95, the clamping column 95 retracts inside the push rod 92, the spring force rebounds through the fourth spring 93, and then the push rod 92 slides, the push rod 92 pushes the extrusion block 12 to hit the transmission device 11, let transmission 11 stimulate sliding sleeve 51 in the twinkling of an eye slide, compare in extrusion piece 12 and fix in the inside that connects body 1, transmission 11 is contradicted by extrusion piece 12 gradually, and it is faster slowly to stimulate sliding sleeve 51, and the effect is better.

Example 4

In this embodiment, an improvement is made on the basis of embodiment 1, and as shown in fig. 1 to 4, the transmission device 11 includes a slope block 111, the slope block 111 is connected to one side of the sliding sleeve 51, a blocking piece 112 is fixedly installed at one end of the slope block 111, and the pressing block 12 is used for abutting against the blocking piece 112.

In this embodiment: the inclined block 111 pushes against the extrusion block 12 to slide the extrusion block 12 to one side, and the inclined block 111 receives the impact from the extrusion block 12.

Example 5

This embodiment is an improvement on embodiment 2, and according to fig. 1-3, a connecting block 14 is fixedly mounted on one side of the sealing device 7, a square groove 63 is arranged on one side of the disc 61, and the connecting block 14 is adapted to the square groove 63.

In this embodiment: the connecting block 14 can better pull the circular disc 61 to slide together by the connecting block 14 snapping into the inside of the square groove 63.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a heavy rotary joint, includes and connects body (1) and install inner tube (4) in connecting body (1), still be connected with bearing (2) in connecting body (1), install rotatory pipe (3) on bearing (2), its characterized in that: the inner tube (4) is rotatably connected with a conveying device (5), the conveying device (5) comprises a sliding sleeve (51), the sliding sleeve (51) is sleeved on the inner tube (4), a spiral sleeve (52) is installed on the sliding sleeve (51), a connecting device (8) is arranged on the inner wall of the rotating tube (3), the connecting device (8) comprises a straight groove (82), the straight groove (82) is arranged on the inner wall of the rotating tube (3), a sliding block (81) is connected in the straight groove (82) in a sliding mode, the sliding block (81) is connected with the straight groove (82) through a first spring (83), and the sliding block (81) is connected with the spiral sleeve (52);

the sliding sleeve (51) is further provided with a transmission device (11), the inner wall of the joint body (1) is further connected with an extrusion block (12), and the transmission device (11) is used for abutting against the extrusion block (12); the rotary pipe (3) is also internally provided with an adjusting device (6), the adjusting device (6) comprises a disc (61), the disc (61) is connected inside the rotary pipe (3) in a sliding manner, the disc (61) is matched with the inside of the rotary pipe (3), the disc (61) is provided with a circulating groove (62), the circulating groove (62) is used for circulating liquid, the sliding sleeve (51) is also rotatably connected with a sealing device (7), and the inside of the rotary pipe (3) is also provided with a sliding groove (13); the sealing device (7) is connected in a sliding way inside the sliding groove (13),

the sealing device (7) is used for sealing the circulation groove (62), a connecting block (14) is further mounted on the circulation groove (62), a buckling device (15) is further mounted on the inner wall of the rotating pipe (3), and the buckling device (15) is used for limiting the disc (61);

the snap means (15) comprise a second spring (151),

wherein, second spring (151) is connected on the inner wall of rotatory pipe (3), disc (61) are connected through second spring (151) with rotatory pipe (3), round hole (64) have still been seted up to one side of disc (61), taper rod (152) are still installed to the inner wall of rotatory pipe (3), second spring (151) are run through in taper rod (152), just taper rod (152) are used for running through round hole (64), push pedal (16) are still installed to one side of sliding sleeve (51).

2. The heavy duty rotary joint according to claim 1, wherein: stop device (9) are still installed to the inner wall that connects body (1), stop device (9) are including adapter sleeve (91), adapter sleeve (91) fixed connection is at the inner wall that connects body (1), sliding connection has push rod (92) in adapter sleeve (91), push rod (92) are connected through fourth spring (93) with adapter sleeve (91), push rod (92) are connected with extrusion piece (12).

3. The heavy duty rotary joint according to claim 2, wherein: sliding connection has card post (95) on push rod (92), card post (95) are connected through third spring (96) with push rod (92), still be provided with on adapter sleeve (91) and erect hole (94), card post (95) are used for running through perpendicular hole (94).

4. A heavy duty rotary joint as set forth in claim 3, wherein: the sliding sleeve (51) is further provided with an extending strip (10), and the extending strip (10) is used for abutting against the clamping column (95).

5. The heavy duty rotary joint according to claim 4, wherein: the transmission device (11) comprises a slope block (111), the slope block (111) is connected to one side of the sliding sleeve (51), a blocking piece (112) is fixedly mounted at one end of the slope block (111), and the extrusion block (12) is used for abutting against the blocking piece (112).

6. The heavy duty rotary joint according to claim 1, wherein: one side fixed mounting of sealing device (7) has connecting block (14), one side of disc (61) is provided with square groove (63), connecting block (14) and square groove (63) suit.