阅读说明：本技术 一种万向节联通管 (Universal joint communicating pipe ) 是由 尹秀兰 何磊 高聪 于 2019-09-29 设计创作，主要内容包括：本发明涉及管道连接技术领域,具体的说是一种万向节联通管,包括摆角调节机构、密封连接结构、转角调节机构和锁定机构,两个摆角调节机构之间设有转角调节机构,摆角调节机构的均通过密封连接结构与转角调节机构连接,转角调节机构的一侧安装有锁定机构,摆角调节机构包括端部套筒、连接环、转套、法兰盘、连接孔、圆形护壳、轴承环和定位螺栓,两个端部套筒相互远离的一端均螺丝固定有圆形护壳,圆形护壳内均嵌设有轴承环,本发明所述的一种万向节联通管,通过波纹管、密封垫和密封圈的设置,波纹管具有良好的延展能力和复位弹性,且可在角方向上进行偏移,可满足角度调节的要求,且波纹管设有两个,既能方便调整角度。(The invention relates to the technical field of pipeline connection, in particular to a universal joint communicating pipe which comprises a swing angle adjusting mechanism, a sealing connection structure, a corner adjusting mechanism and a locking mechanism, wherein the corner adjusting mechanism is arranged between the two swing angle adjusting mechanisms, the swing angle adjusting mechanisms are connected with the corner adjusting mechanism through the sealing connection structure, one side of the corner adjusting mechanism is provided with the locking mechanism, the swing angle adjusting mechanism comprises an end sleeve, a connecting ring, a rotating sleeve, a flange plate, a connecting hole, a circular protective shell, a bearing ring and a positioning bolt, one ends of the two end sleeves, which are far away from each other, are respectively fixed with the circular protective shell through screws, the bearing ring is embedded in the circular protective shell, the universal joint communicating pipe has good extension capability and reset elasticity through the arrangement of a corrugated pipe, a sealing gasket and a sealing ring, and can deviate in the angular direction, the requirement of angle modulation can be satisfied, and the bellows is equipped with two, can conveniently angle regulation.)

1. The utility model provides a universal joint communicating pipe, its characterized in that, includes pivot angle adjustment mechanism (1), sealing connection structure (2), corner adjustment mechanism (3) and locking mechanical system (4), two be equipped with corner adjustment mechanism (3) between pivot angle adjustment mechanism (1), all be connected with corner adjustment mechanism (3) through sealing connection structure (2) of pivot angle adjustment mechanism (1), locking mechanical system (4) are installed to one side of corner adjustment mechanism (3).

2. A universal joint communicating pipe according to claim 1, wherein: the swing angle adjusting mechanism (1) comprises end sleeves (11), a connecting ring (12), a rotating sleeve (13), a flange plate (14), a connecting hole (15), a circular protective shell (16), a bearing ring (17) and a positioning bolt (18), wherein the circular protective shell (16) is fixed on one end, away from each other, of each of the two end sleeves (11) through screws, a bearing ring (17) is embedded in each circular protective shell (16), each bearing ring (17) is rotatably connected with a rotating sleeve (13), one end of the positioning bolt (18) penetrates through the circular protective shell (16) and is inserted into the rotary sleeve (13), one side of the circular protective shell (16) far away from the end sleeve (11) is provided with a flange (14), the edge of the flange plate (14) is provided with a plurality of connecting holes (15), and connecting rings (12) are fixedly connected between the flange plate (14) and the rotating sleeve (13).

3. A universal joint communicating pipe according to claim 1, wherein: the corner adjusting mechanism (3) comprises a middle sleeve (31), rotating shafts (32), sealing sleeves (33), annular grooves (34), sealing rings (35), transmission gears (36), a shifting rod (37) and driven oscillating rods (38), wherein the middle sleeve (31) is positioned between two end sleeves (11), the middle sleeve (31) is internally provided with the two rotating shafts (32), the rotating shafts (32) are rotatably connected with the side walls of the middle sleeve (31) through bearings, two ends of each rotating shaft (32) penetrate through the side walls of the middle sleeve (31) and are fixedly connected with the transmission gears (36), the outer end faces of the transmission gears (36) are fixedly connected with the driven oscillating rods (38), one end of one rotating shaft (32) is fixedly connected with the shifting rod (37), the outer side of the rotating shaft (32) is positioned on two opposite side walls of the middle sleeve (31) and is fixedly connected with the sealing sleeves (33), an annular groove (34) is formed in the seal sleeve (33), and a seal ring (35) is arranged between the groove wall of the annular groove (34) and the outer wall of the rotating shaft (32).

4. A universal joint communicating pipe according to claim 1, wherein: the sealing connection structure (2) comprises a corrugated pipe (21), a first extending edge (22), a second extending edge (23), a first bolt (24), a first nut (25), a second bolt (26), a second nut (27) and a sealing gasket (28), the corrugated pipe (21) is located between a middle sleeve (31) and an end sleeve (11), the two ends of the corrugated pipe (21) are respectively provided with the first extending edge (22) and the second extending edge (23), the first extending edge (22) corresponds to the middle sleeve (31), the sealing gasket (28) is arranged between the first extending edge (22) and the middle sleeve (31), the second extending edge (23) corresponds to the end sleeve (11), and one end of each of a plurality of bolts (24) penetrates through the first extending edge (22) and the end wall of the middle sleeve (31) and is in threaded connection with the first nut (25), one end of each of the second bolts (26) penetrates through the second extending edge (23) and the end wall of the end sleeve (11) and is connected with a second nut (27) in a threaded mode.

5. A universal joint communicating pipe according to claim 1, wherein: locking mechanical system (4) are including holder (41), screw hole (42), drive bull stick (43), external screw thread (44), hand wheel (45), rotary drum (46), arc (47) and meshing arch (48), one side at intermediate sleeve (31) is fixed to holder (41) screw, be equipped with screw hole (42) in holder (41), be equipped with drive bull stick (43) in screw hole (42), the outside of drive bull stick (43) is equipped with external screw thread (44), the top fixedly connected with hand wheel (45) of drive bull stick (43), the bottom of drive bull stick (43) is inlayed and is established in rotary drum (46), bottom welding at rotary drum (46) has arc (47), be equipped with a plurality of protruding (48) of meshing on the diapire of arc (47).

6. A universal joint communicating pipe according to claim 2, wherein: one side of the round protective shell (16) far away from the end sleeve (11) is provided with a round hole corresponding to the positioning bolt (18), a plurality of screw holes are formed in the rotary sleeve (13), and one end of the positioning bolt (18) penetrates through the round hole to be inserted into one of the screw holes.

7. A universal joint communicating pipe according to claim 3, wherein: the adjacent transmission gears (36) are meshed and connected, and the tooth structure of the transmission gears (36) is matched with the structure of the meshing bulge (48).

8. A universal joint communicating pipe according to claim 5, wherein: the bottom end of the driving rotating rod (43) is provided with a cylindrical sliding block, and the sliding block at the bottom end of the driving rotating rod (43) is rotatably connected with the inner wall of the rotating cylinder (46).

Technical Field

The invention relates to the technical field of pipeline connection, in particular to a universal joint communicating pipe.

Background

The pipeline connection refers to connecting the processed and prefabricated pipe sections into a complete system according to the requirements of a design drawing, different connection methods are selected according to the materials of the used pipes in the construction, common steel pipes are in threaded connection, flange connection, welding connection, socket connection, pipeline bonding connection and the like, different connection methods are selected according to the materials of the used pipes in the pipeline engineering construction, and the common steel pipes are in threaded connection, welding and flange connection; the seamless steel pipe, the nonferrous metal and the stainless steel pipe are mostly welded and connected with a flange; the cast iron pipes are connected by socket joints, and a small number of cast iron pipes are connected by flanges; the plastic pipe is mainly connected by threads, bonding, hot melting and the like, and other nonmetal pipes are connected in various forms.

In the process of installing the pipeline in the gobi, because some rocks are harder, the bend of the pipeline needs to be connected, the connection of the pipeline at the bend is inconvenient, the production requirements are different, so the inclination angle requirements of different pipelines are different, a bolt fixing mode is adopted among the pipelines, inconvenience is brought to the swing angle adjustment of the pipeline, the universal joint communicating pipe is required to meet the requirement of the existing bend pipeline connection, the trouble of customizing the bend connecting pipe is replaced, and the equipment assembling expenditure is saved.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a universal joint communicating pipe.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a universal joint communicating pipe, includes pivot angle adjustment mechanism, sealing connection structure, corner adjustment mechanism and locking mechanical system, two be equipped with corner adjustment mechanism between the pivot angle adjustment mechanism, all be connected with corner adjustment mechanism through sealing connection structure of pivot angle adjustment mechanism, locking mechanical system is installed to one side of corner adjustment mechanism.

The swing angle adjusting mechanism comprises a tip sleeve, a connecting ring, a rotating sleeve, a flange plate, connecting holes, a circular protective shell, a bearing ring and positioning bolts, wherein the circular protective shell is fixed to one end, away from the tip sleeve, of the tip sleeve through screws, the bearing ring is embedded in the circular protective shell, the bearing ring is connected with the rotating sleeve in a rotating mode, one end of each positioning bolt penetrates through the circular protective shell to be inserted into the rotating sleeve, the flange plate is arranged on one side, away from the tip sleeve, of the circular protective shell, a plurality of connecting holes are formed in the edge of the flange plate, and the connecting ring is fixedly connected between the flange plate and the rotating sleeve.

The corner adjusting mechanism comprises a middle sleeve, a rotating shaft, a sealing sleeve, an annular groove, a sealing ring, a transmission gear, a shifting rod and a driven oscillating rod, wherein the middle sleeve is positioned between two end sleeves, two rotating shafts are arranged in the middle sleeve and are all rotationally connected with the side wall of the middle sleeve through bearings, the two ends of each rotating shaft penetrate through the side wall of the middle sleeve and are fixedly connected with the transmission gear, the driven oscillating rod is fixedly connected with the outer end face of the transmission gear, one of the driven oscillating rod is fixedly connected with the shifting rod, the outer side of the rotating shaft is positioned on two opposite side walls of the middle sleeve, the sealing sleeve is fixedly connected with the sealing sleeve, the annular groove is arranged in the sealing sleeve, and the sealing.

The sealing connection structure comprises a corrugated pipe, an extension edge, a second extension edge, a first bolt, a first nut, a second bolt, a second nut and a sealing gasket, the corrugated pipe is located between a middle sleeve and a tip sleeve, the two ends of the corrugated pipe are respectively provided with the extension edge and the second extension edge, the first extension edge corresponds to the middle sleeve, the first extension edge is provided with the sealing gasket between the middle sleeve and the second extension edge, the second extension edge corresponds to the tip sleeve, and the one end of the first bolt is connected with the first nut and the second nut through the first extension edge and the end wall of the middle sleeve in a threaded mode.

Specifically, locking mechanical system includes that holder, screw hole, drive bull stick, external screw thread, hand wheel, rotary drum, arc and meshing are protruding, the holder screw fixation is in telescopic one side in the middle of, be equipped with the screw hole in the holder, threaded hole is equipped with the drive bull stick, the outside of drive bull stick is equipped with the external screw thread, the top fixedly connected with hand wheel of drive bull stick, the bottom of drive bull stick is inlayed and is established in the rotary drum, there is the arc in the bottom welding of rotary drum, it is protruding to be equipped with a plurality of meshes on the diapire of arc.

Specifically, one side, far away from the end sleeve, of the circular protective shell is provided with a round hole corresponding to the positioning bolt, a plurality of screw holes are formed in the rotary sleeve, and one end of the positioning bolt penetrates through the round hole and is inserted into one of the screw holes.

Specifically, the adjacent transmission gears are meshed and connected, and the tooth structure of each transmission gear is matched with the structure of the meshing protrusion.

Specifically, the bottom of the driving rotating rod is provided with a cylindrical sliding block, and the sliding block at the bottom of the driving rotating rod is rotatably connected with the inner wall of the rotating cylinder.

The invention has the beneficial effects that:

(1) according to the universal joint communicating pipe, the corrugated pipes have good extension capacity and reset elasticity and can be deviated in the angle direction through the arrangement of the corrugated pipes, the sealing gaskets and the sealing rings, the requirement of angle adjustment can be met, the two corrugated pipes are arranged, the angle can be conveniently adjusted, the damage problem caused by over-stretching of the corrugated pipes can be avoided, the sealing performance of the joints of the corrugated pipes and the sleeves is guaranteed due to the arrangement of the sealing gaskets, gas can be prevented from leaking from the bearings due to the arrangement of the sealing sleeves and the sealing rings, and the sealing effect of the universal joint communicating pipe is further enhanced.

(2) The universal joint communicating pipe has the characteristics of convenient installation and after connection is finished, the communicating pipe rotates around the central axis of the flange plate, can be adjusted at 360 degrees in the same plane, and after rotating to a proper position, and the swing angle of the communicating pipe can be fixed by tightening the positioning bolt, then the deflector rod is rotated, the rotating shaft is rotated to drive the adjacent transmission gears to rotate in a meshed manner, the included angle between the two driven swing rods is changed, the inclination angle of the other flange plate is changed, the hand wheel is rotated, and then make the arc compress tightly its transmission gear that corresponds, the meshing cooperation of meshing arch and meshing gear to fixed meshing gear avoids the ring flange inclination who does not connect to change.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is an external view of a universal joint communicating pipe provided by the present invention;

FIG. 2 is a cross-sectional view of a universal joint communicating pipe provided by the present invention;

FIG. 3 is a schematic view of a locking mechanism in a universal joint communicating pipe according to the present invention;

FIG. 4 is an enlarged view of a universal joint communicating pipe shown in FIG. 2;

FIG. 5 is an enlarged view of the joint communicating pipe shown in FIG. 2;

FIG. 6 is a structural diagram of a retainer in a universal joint communicating pipe provided by the present invention;

FIG. 7 is a structural diagram of a seal sleeve in a universal joint communicating pipe provided by the invention;

fig. 8 is a side view of a tilt angle adjusting mechanism in a universal joint communicating pipe provided by the invention.

In the figure: 1. a swing angle adjusting mechanism; 11. an end sleeve; 12. a connecting ring; 13. rotating the sleeve; 14. a flange plate; 15. connecting holes; 16. a circular protective shell; 17. a bearing ring; 18. positioning the bolt; 2. a sealing connection structure; 21. a bellows; 22. a first extending edge; 23. a second extending edge; 24. a first bolt; 25. a first nut; 26. a second bolt; 27. a second nut; 28. a gasket; 3. a corner adjusting mechanism; 31. an intermediate sleeve; 32. a rotating shaft; 33. sealing sleeves; 34. an annular groove; 35. a seal ring; 36. a transmission gear; 37. a deflector rod; 38. a driven swing rod; 4. a locking mechanism; 41. a holder; 42. a threaded hole; 43. driving the rotating rod; 44. an external thread; 45. a hand wheel; 46. a rotating drum; 47. an arc-shaped plate; 48. engaging the protrusion.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-8, the universal joint communicating pipe of the present invention comprises a swing angle adjusting mechanism 1, a sealing connection structure 2, a corner adjusting mechanism 3 and a locking mechanism 4, wherein the corner adjusting mechanism 3 is arranged between the two swing angle adjusting mechanisms 1, the swing angle adjusting mechanisms 1 are connected with the corner adjusting mechanism 3 through the sealing connection structure 2, the locking mechanism 4 is installed on one side of the corner adjusting mechanism 3, the swing angle adjusting mechanism 1 performs free angle adjustment in the same plane, the swing angle adjusting mechanism 1 can fix the angle in the horizontal plane, the corner adjusting mechanism 3 performs butt angle adjustment, and the corner adjusting mechanism 3 and the swing angle adjusting mechanism 1 are matched with each other, so as to achieve the purpose of space angle adjustment in a limited space, the swing angle adjusting mechanism 1 and the corner adjusting mechanism 3 are connected in a sealing manner by the sealing connection structure 2, avoiding the problem of leakage.

Specifically, the swing angle adjusting mechanism 1 includes an end sleeve 11, a connecting ring 12, a rotating sleeve 13, a flange 14, connecting holes 15, a circular protective shell 16, a bearing ring 17 and positioning bolts 18, the two ends of the end sleeve 11, which are away from each other, are fixed with the circular protective shell 16 by screws, the circular protective shell 16 is embedded with the bearing ring 17, the rotating sleeve 13 is rotatably connected in the bearing ring 17, one end of the positioning bolt 18 penetrates through the circular protective shell 16 and is inserted into the rotating sleeve 13, the flange 14 is arranged on one side of the circular protective shell 16, which is away from the end sleeve 11, the flange 14 is provided with a plurality of connecting holes 15 at the edge, the connecting ring 12 is fixedly connected between the flange 14 and the rotating sleeve 13, during connection, the flange 14 is rotatable, the hole alignment between the flange 14 and the connecting pipe flange can be conveniently performed, the installation is convenient, and after connection is completed, the middle sleeve, at this moment, the flange plate 14 is fixed, so that the communicating pipe rotates around the central axis of the flange plate 14, and 360-degree angle adjustment can be carried out in the same plane.

Specifically, the corner adjusting mechanism 3 includes a middle sleeve 31, a rotating shaft 32, a sealing sleeve 33, an annular groove 34, a sealing ring 35, a transmission gear 36, a shift lever 37 and a driven swing rod 38, the middle sleeve 31 is located between the two end sleeves 11, two rotating shafts 32 are arranged in the middle sleeve 31, the rotating shafts 32 are rotatably connected with the side wall of the middle sleeve 31 through bearings, two ends of each rotating shaft 32 penetrate through the side wall of the middle sleeve 31 and are fixedly connected with the transmission gear 36, the outer end face of each transmission gear 36 is fixedly connected with the driven swing rod 38, one end of one rotating shaft 32 is fixedly connected with the shift lever 37, two opposite side walls of the middle sleeve 31 outside the rotating shaft 32 are fixedly connected with the sealing sleeve 33, the annular groove 34 is arranged in the sealing sleeve 33, and the sealing ring 35 is arranged between the groove wall of, the deflector rod 37 is rotated, the rotating shaft 32 rotates to drive the adjacent transmission gears 36 to rotate in a meshed manner, and the included angle between the two driven swing rods 38 is changed, so that the inclination angle of the other flange plate 14 is changed.

Specifically, the sealing connection structure 2 comprises a corrugated pipe 21, a first extending edge 22, a second extending edge 23, a first bolt 24, a first nut 25, a second bolt 26, a second nut 27 and a sealing gasket 28, the corrugated pipe 21 is located between a middle sleeve 31 and an end sleeve 11, the two ends of the corrugated pipe 21 are respectively provided with the first extending edge 22 and the second extending edge 23, the first extending edge 22 corresponds to the middle sleeve 31, the sealing gasket 28 is arranged between the first extending edge 22 and the middle sleeve 31, the second extending edge 23 corresponds to the end sleeve 11, one end of each of a plurality of the first bolts 24 penetrates through the end walls of the first extending edge 22 and the middle sleeve 31 to be connected with the first nut 25 in a threaded manner, one end of each of a plurality of the second bolts 26 penetrates through the second extending edge 23 and the end wall of the end sleeve 11 to be connected with the second nut 27 in a threaded manner, and the corrugated pipe 21 has good extending capability and reset elasticity, and can carry out the skew in the angular direction, the setting of two bellows 21 can conveniently the angle of adjustment, also can avoid the damage problem that bellows 21 overstretch caused, and the leakproofness of junction has been guaranteed in the setting of sealed 28.

Specifically, the locking mechanism 4 includes a holder 41, a threaded hole 42, a driving rotating rod 43, an external thread 44, a hand wheel 45, a rotating drum 46, an arc-shaped plate 47 and an engaging protrusion 48, the holder 41 is screwed and fixed on one side of the middle sleeve 31, the threaded hole 42 is provided in the holder 41, the driving rotating rod 43 is provided in the threaded hole 42, the external thread 44 is provided on the outer side of the driving rotating rod 43, the hand wheel 45 is fixedly connected to the top end of the driving rotating rod 43, the bottom end of the driving rotating rod 43 is embedded in the rotating drum 46, the arc-shaped plate 47 is welded to the bottom end of the rotating drum 46, the bottom wall of the arc-shaped plate 47 is provided with a plurality of engaging protrusions 48, the driving rotating rod 43 is in threaded fit with the holder 41, the rotating drum 46 can be pushed to move down, so that the arc-shaped plate 47 presses the corresponding transmission gear 36, the inclination angle of the flange 14 which is not connected is prevented from changing, and then the other to-be-connected pipe is fixed with the flange 14 through screws without separately fixing the connecting pipe.

Specifically, one side of the circular protective shell 16, which is far away from the end sleeve 11, is provided with a round hole corresponding to the positioning bolt 18, a plurality of screw holes are formed in the rotary sleeve 13, one end of the positioning bolt 18 penetrates through the round hole and is inserted into one of the screw holes, the positioning bolt 18 penetrates through the round hole in the circular protective shell 16 and is inserted into the corresponding screw hole in the rotary sleeve 13, and the positioning bolt 18 is tightened to fix the swing angle of the communicating pipe.

Specifically, adjacent to the transmission gear 36 are meshed and connected, and the tooth structure of the transmission gear 36 is matched with the structure of the meshing protrusion 48, so that transmission and angle fixing are facilitated.

Specifically, a cylindrical sliding block is arranged at the bottom end of the driving rotating rod 43, and the sliding block at the bottom end of the driving rotating rod 43 is rotatably connected with the inner wall of the rotating cylinder 46, so that the arc-shaped plate 47 is prevented from rotating.

When using, carry out the free angle regulation in the coplanar by pivot angle adjustment mechanism 1, and pivot angle adjustment mechanism 1 can be at the internal fixation angle of horizontal plane, corner adjustment mechanism 3 carries out the butt joint angle regulation, and corner adjustment mechanism 3 and pivot angle adjustment mechanism 1 mutually support, thereby can reach the purpose of space angular adjustment in the finite space, by 2 sealing connection pivot angle adjustment mechanism 1 of sealing connection structure and corner adjustment mechanism 3, avoid revealing the problem, by locking mechanical system 4 fixed corner angle, thereby make this universal joint communicating pipe sound construction, can construct according to the pipeline laying order gradually, the operation flow is: firstly, the flange 14 at one end of the universal joint communicating pipe is fixed with one of the pipe screws to be connected, when the universal joint communicating pipe is connected, the flange 14 can rotate, the hole alignment between the flange 14 and the pipe flange can be conveniently performed, the universal joint communicating pipe has the characteristic of convenient installation, after the connection is completed, the middle sleeve 31 is pushed to rotate, the flange 14 is fixed at the moment, the communicating pipe rotates around the central axis of the flange 14, the 360-degree angle adjustment can be performed in the same plane, after the connecting pipe rotates to a proper position, the positioning bolt 18 passes through the round hole on the circular protective shell 16 and is inserted into the corresponding screw hole in the rotating sleeve 13, the positioning bolt 18 is tightened, the swing angle of the communicating pipe can be fixed, then the deflector rod 37 is rotated, the rotating shaft 32 rotates to drive the adjacent transmission gear 36 to be meshed to rotate, the included angle between the two driven, the hand wheel 45 is rotated to drive the rotating rod 43 to be in threaded fit with the retainer 41, the rotating cylinder 46 can be pushed to move downwards, thereby causing the arc-shaped plates 47 to press against their corresponding transmission gears 36, the engagement of the engagement projections 48 with the engagement gears 36, thereby fixedly engaging the gear 36, preventing the inclination angle of the flange 14 which is not connected from changing, and then fixing another pipe to be connected with the flange 14 by screws without separately fixing the pipe, in the above process, the corrugated pipe 21 has good extension capability and reset elasticity, and can squint on the angular direction, the setting of two bellows 21 can make things convenient for angle adjustment, also can avoid the damage problem that bellows 21 overstretch caused, and the leakproofness of junction has been guaranteed in the setting of sealed pad 28, and the setting of seal cover 33 and sealing washer 35 can avoid gas to reveal from the bearing, has further strengthened the sealed effect of this universal joint communicating pipe.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.