CN112066115B - Universal rotary high-pressure joint - Google Patents

Universal rotary high-pressure joint Download PDF

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Publication number
CN112066115B
CN112066115B CN202010757020.9A CN202010757020A CN112066115B CN 112066115 B CN112066115 B CN 112066115B CN 202010757020 A CN202010757020 A CN 202010757020A CN 112066115 B CN112066115 B CN 112066115B
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China
Prior art keywords
sleeve
connector
cross
cross sleeve
ring
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CN202010757020.9A
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CN112066115A (en
Inventor
徐明刚
陈亮
程瑜越
艾正龙
杨龙
梁景云
谢长霖
徐国栋
曾庭兵
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Chengdu Zhonghuan Flow Controls Mfg Co ltd
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Chengdu Zhonghuan Flow Controls Mfg Co ltd
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Publication of CN112066115A publication Critical patent/CN112066115A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00Adjustable joints, Joints allowing movement
    • F16L27/02Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
    • F16L27/04Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces
    • F16L27/06Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces with special sealing means between the engaging surfaces

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints Allowing Movement (AREA)

Abstract

The invention discloses a universal rotary high-pressure joint which comprises a first connecting joint, a first cross sleeve, a second cross sleeve and a second connecting joint which are sequentially connected, wherein one end of the first connecting joint is used for connecting a medium inlet, the other end of the first connecting joint is rotationally connected with the first cross sleeve, one end of the first cross sleeve, which is far away from the first connecting joint, is rotationally connected with the second cross sleeve, one end of the second cross sleeve, which is far away from the first cross sleeve, is rotationally connected with the second connecting joint, and one end of the second connecting joint, which is far away from the second cross sleeve, is used for connecting a medium outlet; the first cross sleeve can carry out the rotation of X to 360 for first adapter, and the second cross sleeve can carry out the rotation of Y to 360 for first cross sleeve, is equivalent to can rotate the arbitrary angle in the three-dimensional space to the second connector can rotate 360 for the second cross sleeve, makes the medium export can Z to 360, and three-dimensional rotation makes the turned angle between medium export and the medium import more nimble.

Description

Universal rotary high-pressure joint
Technical Field
The invention relates to the field of pipeline connecting pieces, in particular to a universal rotary high-pressure joint.
Background
Fluid conduits may require different degrees of deflection during operation, and therefore a joint is often provided at the conduit junction to accommodate the deflection or artificial deflection of the flow conduit.
However, the existing universal joint can only rotate 360 degrees in one plane, the adaptive steering angle is small, and the rotation resistance is large, so that the universal joint is not flexible enough and is not suitable for occasions with more rotation directions. For example, the conventional adapter mainly comprises a male connector and a female connector, wherein a spring and a steel ball are arranged in the male connector, and the female connector can press the steel ball after being sleeved with the male connector so as to communicate with a channel in a pipe; the female connector and the male connector are required to be as close as possible when the steel ball is pressed, so that a large frictional resistance is generated when the male connector rotates, and the use is very inflexible for a user. Therefore, a pipe joint which can rotate at multiple angles and can rotate flexibly is urgently needed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a universal rotary high-pressure joint which can rotate in multiple angles and is light and flexible in rotation.
The technical scheme adopted by the invention is as follows: the utility model provides an universal rotatory high pressure joint, is including the first connector, first cross sleeve pipe, second cross sleeve pipe and the second connector that connect gradually, the one end of first connector be used for connecting medium import, the other end with first cross sleeve pipe rotates to be connected, first cross sleeve pipe is kept away from the one end of first connector with second cross sleeve pipe rotates to be connected, second cross sleeve pipe is kept away from first cross sheathed tube one end with the second connector rotates to be connected, the second connector is kept away from second cross sheathed tube one end is used for the connecting medium export. First cross sleeve pipe can carry out X to 360 rotations for first adapter, and the second cross sleeve pipe can carry out Y to 360 rotations for first cross sleeve pipe, is equivalent to can rotate the arbitrary angle in the three-dimensional space to the second connector can rotate 360 for the second cross sleeve pipe, makes the medium export can Z to 360, and the rotation angle between three-dimensional rotation messenger medium export and the medium import is more nimble.
Preferably, the first cross sleeve comprises a first sleeve and a second sleeve which are vertically connected, the first sleeve is used for connecting the first connecting head, the second sleeve is used for connecting the second cross sleeve, a vertical internal thread is arranged at one end, far away from the first connecting head, of the first sleeve, a first external thread matched with the vertical internal thread is arranged on the second sleeve, and the vertical internal thread is matched with the first external thread to further fix the first sleeve and the second sleeve. The first sleeve and the second sleeve can be disassembled by rotating when not needed.
Preferably, the first sleeve comprises a first outer pipe and a first inner sleeve, the first outer pipe is provided with the vertical internal threads, the first inner sleeve is arranged in the first outer pipe, the inner wall of the first inner sleeve is provided with a first ball groove, the first connector is provided with a second ball groove, the first connector is inserted into the first inner sleeve, and the first ball groove and the second ball groove are matched to form a ball channel. The first outer pipe can be directly screwed, and then the first inner sleeve rotates relative to the first connector, so that the second sleeve can rotate 360 degrees in a plane. And the friction resistance of the rotation only lies in the rolling friction between the steel balls and the first rolling groove and the second rolling groove, the resistance of the rolling friction is small, and the rotation is more flexible.
Preferably, a bead filling opening is formed in the first inner sleeve piece, a detachable hole plug is arranged on the bead filling opening, and the hole plug is used for blocking the bead filling opening. During installation, the first internal sleeve is sleeved on the first connecting head, then the ball is poured from the ball pouring port, and finally the first internal sleeve is fixed on the first external pipe, so that the whole fixation is realized.
Preferably, a first internal thread is arranged in the first outer pipe, a second external thread adapted to the first internal thread is arranged outside the first inner sleeve, and the first internal thread is matched with the second external thread to fix the first outer pipe and the first inner sleeve.
Preferably, the first connector is provided with a sealing part, a sealing cavity is formed between the sealing part and the first outer pipe element, a concave backing ring, a rotary wear-resistant ring, a rotary sealing ring and a convex backing ring are sequentially arranged in the sealing cavity along the flow direction of a medium in the pipe, and the opening direction of the concave backing ring is opposite to the first internal thread and the second external thread. Because first outer pipe fitting and first interior external member are threaded connection, first interior external member passes through ball sliding connection with first connector, all can have the gap, and especially inside hydraulic pressure is great to when still needing rotatory medium exit tube, the easy weeping in gap just can block inside liquid through concave surface backing ring, rotatory wear-resisting ring, rotatory sealing ring and convex surface backing ring and pass through the gap and leak outward, has strengthened the performance of leak protection liquid.
Preferably, the rotary wear-resisting ring and the rotary sealing ring are arranged in a V shape, and the opening direction of the rotary wear-resisting ring and the opening direction of the concave backing ring are consistent. After the pressure medium intervenes, the pressure forces the rotary sealing ring to open, so that the inner wall and the outer wall of the rotary sealing ring are tensioned on the first connecting head and the first outer pipe piece to realize sealing; the same rotatory wear ring can play the effect of secondary leak protection, and concave surface backing ring and convex surface backing ring play the effect that helps rotatory wear ring and rotatory sealing ring to stereotype.
Preferably, the first cross sleeve is the same as the structure of the second cross sleeve, the second cross sleeve comprises a third sleeve and a fourth sleeve, the structure of the third sleeve is the same as that of the first sleeve, the second sleeve is sleeved inside the third sleeve, the structure of the fourth sleeve is the same as that of the second sleeve, and the fourth sleeve is rotatably connected with the second connector. Can rotate for two times at different angles
Preferably, the connection mode of the first sleeve and the first connector, the connection mode of the second sleeve and the third sleeve, and the connection mode of the fourth sleeve and the second connector are the same.
Preferably, the second connector comprises a second outer pipe fitting and a second inner sleeve fitting, the second inner sleeve fitting is sleeved on the fourth sleeve, the second inner sleeve fitting is connected with the fourth sleeve through a ball in a sliding mode, and the second outer pipe fitting is sleeved on the second inner sleeve fitting. The medium outlet is capable of spinning.
Compared with the prior art, the beneficial effects of adopting the technical scheme are as follows: according to the invention, the first cross sleeve can rotate 360 degrees in the X direction relative to the first connecting head, the second cross sleeve can rotate 360 degrees in the Y direction relative to the first cross sleeve, which is equivalent to rotate to any angle in a three-dimensional space, the second connecting head can rotate 360 degrees relative to the second cross sleeve, so that the medium outlet can rotate 360 degrees in the Z direction, and the three-dimensional rotation enables the rotation angle between the medium outlet and the medium inlet to be more flexible.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of portion A of the present invention;
fig. 4 is a partial cross-sectional view of the present invention.
Description of the symbols of the main elements: 1. a first connector; 2. a first cross sleeve; 3. a second cross-shaped sleeve; 4. a second connector; 5. a ball bearing; 21. a first sleeve; 22. a second sleeve; 31. a third sleeve; 32. a fourth sleeve; 41. a second inner sleeve member; 42. a second outer tube member; 61. a convex backing ring; 62. rotating the seal ring; 63. rotating the wear ring; 64. a concave backing ring; 211. a hole plug; 212. filling a bead opening; 213. a first inner sleeve member; 214. a first outer tube.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings. In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1: referring to fig. 1 to 4, the universal rotary high-voltage connector of the present embodiment includes a first connector 1, a first cross sleeve 2, a second cross sleeve 3, and a second connector 4, which are connected in sequence, wherein one end of the first connector 1 is used for connecting a medium inlet, and the other end is rotatably connected to the first cross sleeve 2, one end of the first cross sleeve 2 away from the first connector 1 is rotatably connected to the second cross sleeve 3, one end of the second cross sleeve 3 away from the first cross sleeve 2 is rotatably connected to the second connector 4, and one end of the second connector 4 away from the second cross sleeve 3 is used for connecting a medium outlet. The first cross sleeve 2 can rotate 360 degrees in the X direction relative to the first connecting head 1, the second cross sleeve 3 can rotate 360 degrees in the Y direction relative to the first cross sleeve 2, the second cross sleeve can rotate 360 degrees in the three-dimensional space, the second connecting head 4 can rotate 360 degrees relative to the second cross sleeve 3, the medium outlet can rotate 360 degrees in the Z direction, and the three-dimensional rotation enables the rotation angle between the medium outlet and the medium inlet to be more flexible.
Example 2: referring to fig. 2, the first cross sleeve 2 of the present embodiment includes a first sleeve 21 and a second sleeve 22 that are vertically connected, the first sleeve 21 is used to connect the first connector 1, the second sleeve 22 is used to connect the second cross sleeve 3, a vertical internal thread is disposed at an end of the first sleeve 21 that is far away from the first connector 1, a first external thread that is adapted to the vertical internal thread is disposed on the second sleeve 22, and the vertical internal thread is matched with the first external thread to fix the first sleeve 21 and the second sleeve 22. The first and second sleeves 21 and 22 can be removed by rotation when not in use.
Example 3: referring to fig. 2 and 3, the first sleeve 21 of the present embodiment includes a first outer tube 214 and a first inner sleeve 213, the first outer tube 214 is provided with a vertical internal thread, the first inner sleeve 213 is disposed in the first outer tube 214, an inner wall of the first inner sleeve 213 is provided with a first ball 5 groove, the first connector 1 is provided with a second ball 5 groove, the first connector 1 is inserted into the first inner sleeve 213, and the first ball 5 groove and the second ball 5 groove cooperate to form a ball 5 channel. The first outer tube 214 can be directly screwed and the first inner sleeve 213 rotated relative to the first joint head 1, so that the second sleeve 22 can be rotated 360 ° in plane. And the friction resistance of the rotation only lies in the rolling friction between the steel balls and the first rolling groove and the second rolling groove, the resistance of the rolling friction is small, and the rotation is more flexible.
Example 4: referring to fig. 4, the first inner sleeve member 213 of the present embodiment is provided with a bead filling port 212, the bead filling port 212 is provided with a detachable hole plug 211, and the hole plug 211 is used for blocking the bead filling port 212. During installation, the first inner sleeve member 213 is firstly sleeved on the first connector 1, then the balls 5 are poured in from the ball pouring port 212, and finally the first inner sleeve member 213 is fixed on the first outer pipe member 214, so that the integral fixation is realized. First internal threads are arranged in the first outer pipe 214, second external threads matched with the first internal threads are arranged outside the first inner sleeve member 213, and the first internal threads are matched with the second external threads to further fix the first outer pipe 214 and the first inner sleeve member 213.
Example 5: referring to fig. 2, the first connector 1 of the present embodiment is provided with a sealing portion, a sealing cavity is formed between the sealing portion and the first outer pipe 214, a concave backing ring 64, a rotary wear-resistant ring 63, a rotary sealing ring 62 and a convex backing ring 61 are sequentially arranged in the sealing cavity along the flow direction of the medium in the pipe, and the opening direction of the concave backing ring 64 faces away from the first internal thread and the second external thread. Because first outer pipe member 214 and first inner sleeve member 213 are threaded connection, first inner sleeve member 213 passes through ball 5 sliding connection with first connector 1, all can have the gap, and especially inside hydraulic pressure is great to when still needing rotatory medium import, the easy weeping in gap, through concave backing ring 64, rotatory wear-resisting ring 63, rotatory sealing ring 62 and convex backing ring 61 can block inside medium liquid and pass through the gap and leak-proof performance has been strengthened.
Example 6: referring to fig. 2 and 3, the rotating wear ring 63 and the rotating seal ring 62 of the present embodiment are disposed in a V shape, and the opening direction is the same as the opening direction of the concave backing ring 64. After the pressure medium is introduced, the pressure forces the rotary sealing ring 62 to open, so that the inner wall and the outer wall of the rotary sealing ring are tensioned on the first connecting joint 1 and the first outer pipe 214 to realize sealing; the same rotating wear-resisting ring 63 can play a secondary leak-proof role, and the concave backing ring 64 and the convex backing ring 61 play a role in helping the rotating wear-resisting ring 63 and the rotating sealing ring 62 to be shaped. With the increase of the hydraulic pressure, the rotary seal ring 62 may be opened too far, i.e. the V-shape is pushed flat or even turned over, the hardness of the rotary wear-resisting ring 63 may be set higher than that of the rotary seal ring 62, and the functions of supporting the rotary seal ring 62 and preventing leakage for the second time can be achieved. If hydraulic pressure continues to rise, concave backing ring 64 and convex backing ring 61 can be set to the metal material, carry on spacingly to rotatory wear ring 63 and rotatory sealing ring 62, can bear 70 MPa's oil pressure through experimental test, and this is that conventional rotary joint's O circle + retaining ring seal structure can not realize.
Example 7: referring to fig. 2, the first cross sleeve 2 and the second cross sleeve 3 of the present embodiment have the same structure, the second cross sleeve 3 includes a third sleeve 31 and a fourth sleeve 32, the third sleeve 31 has the same structure as the first sleeve 21, the third sleeve 31 is sleeved with the second sleeve 22, the fourth sleeve 32 has the same structure as the second sleeve 22, and the fourth sleeve 32 is rotatably connected to the second connector 4. The connection mode of the first sleeve 21 and the first connector 1, the connection mode of the second sleeve 22 and the third sleeve 31, and the connection mode of the fourth sleeve 32 and the second connector 4 of the present embodiment are the same. The second connector 4 of this embodiment includes a second outer tube 42 and a second inner sleeve 41, the second inner sleeve 41 is sleeved on the fourth sleeve 32, the second inner sleeve 41 is slidably connected to the fourth sleeve 32 through the balls 5, and the second outer tube 42 is sleeved on the second inner sleeve 41. The medium outlet is capable of spinning.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. The universal rotary high-voltage connector is characterized by comprising a first connector, a first cross sleeve, a second cross sleeve and a second connector which are sequentially connected, wherein one end of the first connector is used for being connected with a medium inlet, the other end of the first connector is rotationally connected with the first cross sleeve, one end, far away from the first connector, of the first cross sleeve is rotationally connected with the second cross sleeve, one end, far away from the first cross sleeve, of the second cross sleeve is rotationally connected with the second connector, and one end, far away from the second cross sleeve, of the second connector is used for being connected with a medium outlet;
the first cross sleeve comprises a first sleeve and a second sleeve which are vertically connected, the first sleeve is used for connecting the first connector, the second sleeve is used for connecting the second cross sleeve, a vertical internal thread is arranged at one end, away from the first connector, of the first sleeve, a first external thread matched with the vertical internal thread is arranged on the second sleeve, and the vertical internal thread is matched with the first external thread to further fix the first sleeve and the second sleeve;
the first sleeve comprises a first outer pipe and a first inner sleeve, the first outer pipe is provided with the vertical internal threads, the first inner sleeve is arranged in the first outer pipe, the inner wall of the first inner sleeve is provided with a first ball groove, the first connector is provided with a second ball groove, the first connector is inserted into the first inner sleeve, and the first ball groove and the second ball groove are matched to form a ball channel.
2. The universal rotary high-pressure joint according to claim 1, wherein the first inner sleeve is provided with a bead filling port, and the bead filling port is provided with a detachable hole plug for blocking the bead filling port.
3. The universal rotary high pressure joint according to claim 1, wherein a first internal thread is provided in the first outer tubular member, a second external thread adapted to the first internal thread is provided outside the first inner sleeve member, and the first internal thread and the second external thread cooperate to fix the first outer tubular member and the first inner sleeve member.
4. The universal rotary high-pressure joint according to claim 3, wherein the first joint is provided with a sealing portion, a sealing cavity is formed between the sealing portion and the first outer pipe member, a concave backing ring, a rotary wear-resistant ring, a rotary sealing ring and a convex backing ring are sequentially arranged in the sealing cavity along the flow direction of the medium in the pipe, and the opening direction of the concave backing ring is opposite to the first internal thread and the second external thread.
5. The universal rotary high pressure joint according to claim 4, wherein said rotary wear ring and said rotary seal ring are arranged in a V-shape with an opening direction coinciding with the opening direction of said concave backing ring.
6. The universal rotary high-pressure joint according to any one of claims 2 to 5, wherein the first cross sleeve and the second cross sleeve have the same structure, the second cross sleeve comprises a third sleeve and a fourth sleeve, the third sleeve has the same structure as the first sleeve, the third sleeve is sleeved with the second sleeve, the fourth sleeve has the same structure as the second sleeve, and the fourth sleeve is rotatably connected with the second connector.
7. The universal rotary high pressure joint according to claim 6, wherein the connection of the first bushing to the first connector, the connection of the second bushing to the third bushing, and the connection of the fourth bushing to the second connector are the same.
8. The universal rotary high-pressure joint according to claim 7, wherein the second connector comprises a second outer tube and a second inner sleeve, the second inner sleeve is sleeved on the fourth sleeve, the second inner sleeve and the fourth sleeve are slidably connected through a ball, and the second outer tube is sleeved on the second inner sleeve.
CN202010757020.9A 2020-07-31 2020-07-31 Universal rotary high-pressure joint Active CN112066115B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010757020.9A CN112066115B (en) 2020-07-31 2020-07-31 Universal rotary high-pressure joint

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Application Number Priority Date Filing Date Title
CN202010757020.9A CN112066115B (en) 2020-07-31 2020-07-31 Universal rotary high-pressure joint

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CN112066115A CN112066115A (en) 2020-12-11
CN112066115B true CN112066115B (en) 2022-02-18

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210815935U (en) * 2019-07-28 2020-06-23 湖南迪宏物联科技有限公司 Universal shower nozzle subassembly and universal shower nozzle

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2665502A1 (en) * 1990-08-02 1992-02-07 World Acrilux Sa Connection pipe and device, particularly for a smoke-outlet skylight
US5451031A (en) * 1994-03-25 1995-09-19 Dynaquip Controls Corporation Quick-connect-disconnect non-mar coupling
JP2000140727A (en) * 1998-11-16 2000-05-23 Ishikame Kogyo:Kk Universal joint device for nozzle
CN201177121Y (en) * 2008-04-16 2009-01-07 沈阳奥拓福高压水射流技术有限公司 Ultra-high pressure 360 degree dynamic joint
US20130099475A1 (en) * 2010-03-18 2013-04-25 James M. Dalton Light weight z-swivel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210815935U (en) * 2019-07-28 2020-06-23 湖南迪宏物联科技有限公司 Universal shower nozzle subassembly and universal shower nozzle

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