CN217234771U

CN217234771U - High-pressure resistant rotary compensator

Info

Publication number: CN217234771U
Application number: CN202220270606.7U
Authority: CN
Inventors: 刘根喜
Original assignee: Jiangsu Baojinlai Pipeline Equipment Co ltd
Current assignee: Jiangsu Baojinlai Pipeline Equipment Co ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-08-19
Anticipated expiration: 2032-02-09

Abstract

The utility model relates to a rotary compensator field specifically is a high pressure resistant rotary compensator, the female joint comprises an outer tube, the outer intraductal fixed limit sleeve that has cup jointed, and the activity has cup jointed first sealing washer and has rotated a section of thick bamboo on the limit sleeve, and rotates a section of thick bamboo activity and cup joint in the outer tube. This kind of high pressure resistant rotation compensator, setting through connecting rod and activity spacing ring, make the connection between outer tube and the inner tube more nimble, the skew distance increases, the setting up of ball makes the axial displacement absorbing force reinforcing of rotating a section of thick bamboo and inner tube simultaneously, at spacing sleeve, rotate under the cooperation of a section of thick bamboo and fixed sleeving, the outer wall and the terminal surface stress surface that make the inner tube increase, and the multiplicable buffer capacity of setting up of sealing washer, avoid block step position to break off and cause the incident, cooperation through first sealing washer and second sealing washer makes spacing sleeve and inner tube sealing connection, at the sealing ring, under the cooperation of third sealing washer and fixed sleeving, improve the leakproofness of outer tube and inner tube.

Description

High-pressure resistant rotary compensator

Technical Field

The utility model relates to a rotary compensator field specifically is a rotary compensator.

Background

The rotary compensator is installed in the heat distribution pipeline to compensate the expansion and contraction of the heat distribution pipeline so as to protect the pipeline from damage. The structure of the rotary compensator generally comprises an outer cylinder and an inner tube, wherein one end of the inner tube extends into the outer cylinder, a sealing filler is arranged between the inner tube and the outer cylinder, and when the thermal pipeline generates expansion with heat and contraction with cold, the inner tube and the outer cylinder rotate to absorb the axial displacement of the pipeline.

The following problems in the prior art are not well solved: 1. the existing rotary compensator has poor displacement flexibility and weak axial displacement absorption force, and the step surface is easy to break under the action of alternating stress for a long time to cause safety accidents; 2. and the rotary compensator is provided with only one end face sealing structure, so that the sealing performance is poor, and the use requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high pressure resistant rotation compensator to the axis displacement absorbing power who provides in solving above-mentioned background art is weaker, the easy fracture of interior step and the relatively poor problem of sealing performance.

In order to achieve the above purpose, the utility model provides a following technical scheme: the high-pressure-resistant rotary compensator comprises an outer pipe, wherein a limiting sleeve is fixedly sleeved in the outer pipe, a first sealing ring and a rotating cylinder are movably sleeved on the limiting sleeve, and the rotating cylinder is movably sleeved in the outer pipe;

one side activity nested of a section of thick bamboo that rotates has the second sealing washer, and rotates a section of thick bamboo internalization and has cup jointed the inner tube, the activity has cup jointed the sealing ring on the inner tube, and the equal activity nested third sealing washer in both sides of sealing ring, fixed sleeve and the activity of having cup jointed the holding ring have been cup jointed respectively on the inner tube, and one side activity of holding sleeve is pegged graft in the outer tube, the activity is interlude on the holding ring has positioning bolt, and threaded connection has the hand to twist the nut and the activity has cup jointed the connecting rod on the positioning bolt respectively, the activity has cup jointed movable spacing ring on the outer tube, and the other end and the activity spacing ring swing joint of connecting rod.

Preferably, the end face of one side of the inner tube is attached to the end face of one side of the limiting sleeve, and the inner diameter of the inner tube is equal to that of the limiting sleeve.

Preferably, one side of the rotating cylinder is provided with a ring groove matched with the second sealing ring, and the outer wall of the inner pipe is provided with a convex ring matched with the rotating cylinder and movably inserted in the ring groove.

Preferably, two sets of sliding grooves which are matched with each other are respectively formed in the inner wall of the outer pipe and the outer wall of the rotating cylinder, and a plurality of balls are movably nested in the two sets of sliding grooves.

Preferably, the inner diameter of the sealing ring is matched with the outer diameter of the inner pipe, and one side, back to the back, of each of the two third sealing rings is attached to one side, opposite to the rotating cylinder and the fixed sleeve, of the corresponding side of the corresponding third sealing ring.

Preferably, the number of the positioning bolts and the number of the connecting rods are 12, and the 12 positioning bolts are radially and equidistantly arranged on one side of the positioning ring.

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

the utility model discloses in, through the setting of connecting rod and activity spacing ring, make the connection between outer tube and the inner tube more nimble, the skew distance increases, and setting up of ball makes the axial displacement absorbing force reinforcing of rotating a section of thick bamboo and inner tube simultaneously, under spacing sleeve pipe, the cooperation of rotating a section of thick bamboo and fixed sleeving, makes the outer wall and the terminal surface stress surface of inner tube increase, the homogeneous diffusion stress surface, and the setting up of sealing washer multiplicable cushion capacity, avoid block step position fracture to take place to lead to the fact the incident.

The utility model discloses in, cooperation through first sealing washer and second sealing washer makes limit sleeve and inner tube sealing connection, under sealing ring, third sealing washer and fixed sleeving's cooperation, further improves the leakproofness of outer tube and inner tube, when having guaranteed that the inner tube takes place the axis rotation, the leakproofness is still good.

Drawings

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

FIG. 2 is a perspective sectional view of the structure of the present invention;

FIG. 3 is a perspective cross-sectional view of the positioning bolt of the present invention;

FIG. 4 is a side view of the movable stop collar of the present invention;

fig. 5 is a side view of the structural positioning ring of the present invention.

In the figure: 1. an outer tube; 2. a limiting sleeve; 3. a first seal ring; 4. a rotating cylinder; 5. a second seal ring; 6. an inner tube; 7. a seal ring; 8. a third seal ring; 9. fixing the sleeve; 10. a positioning ring; 11. positioning the bolt; 12. screwing the screw cap by hand; 13. a connecting rod; 14. a movable limiting ring; 15. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: the high-pressure-resistant rotary compensator comprises an outer pipe 1, wherein a limiting sleeve 2 is fixedly sleeved in the outer pipe 1, a first sealing ring 3 and a rotating cylinder 4 are movably sleeved on the limiting sleeve 2, and the rotating cylinder 4 is movably sleeved in the outer pipe 1;

one side activity nestification of a section of thick bamboo 4 has second sealing washer 5, and the activity has cup jointed inner tube 6 in the section of thick bamboo 4 rotates, the activity has cup jointed sealing ring 7 on the inner tube 6, and the equal activity nestification in both sides of sealing ring 7 has third sealing washer 8, fixed cover has cup jointed fixed sleeve 9 and activity has cup jointed holding ring 10 on the inner tube 6 respectively, and one side activity of fixed sleeve 9 pegs graft in outer tube 1, the activity has been interlude on holding ring 10 has positioning bolt 11, and threaded connection has hand to twist nut 12 and activity to cup joint connecting rod 13 respectively on positioning bolt 11, activity has cup jointed activity spacing ring 14 on the outer tube 1, and the other end and the 14 swing joint of activity spacing ring of connecting rod 13.

In this embodiment, as shown in fig. 1, 2, 3, and 5, an end surface of one side of the inner tube 6 is attached to an end surface of one side of the limit sleeve 2, and an inner diameter of the inner tube 6 is equal to an inner diameter of the limit sleeve 2.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, and fig. 5, a ring groove matched with the second sealing ring 5 is formed in one side of the rotating cylinder 4, a convex ring matched with the rotating cylinder 4 is formed in the outer wall of the inner tube 6 and is movably inserted into the ring groove, the limiting sleeve 2 and the inner tube 6 are hermetically connected through the matching of the first sealing ring 3 and the second sealing ring 5, the sealing performance of the outer tube 1 and the inner tube 6 is further improved under the matching of the sealing ring 7, the third sealing ring 8, and the fixed sleeve 9, and it is ensured that the sealing performance is still good when the inner tube 6 rotates along the axis.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 5, two sets of sliding chutes matched with each other are respectively provided on the inner wall of the outer tube 1 and the outer wall of the rotating cylinder 4, and a plurality of balls 15 are movably nested in the two sets of sliding chutes, the setting of the balls 15 enhances the axial displacement absorption force of the rotating cylinder 4 and the inner tube 6, under the cooperation of the limiting sleeve 2, the rotating cylinder 4 and the fixed sleeve 9, the outer wall and the end surface stress surface of the inner tube 6 are increased, the stress surface is uniformly diffused, and the setting of the sealing ring can increase the buffer force, thereby avoiding the safety accident caused by the fracture of the clamping step part.

In this embodiment, as shown in fig. 1, 2, 3, and 5, the inner diameter of the sealing ring 7 is matched with the outer diameter of the inner tube 6, and the opposite sides of the two third sealing rings 8 are respectively attached to the opposite sides of the rotating cylinder 4 and the fixed sleeve 9.

In this embodiment, as shown in fig. 1, 2, 3, 4 and 5, the number of the positioning bolts 11 and the connecting rods 13 is 12, and the 12 positioning bolts 11 are radially and equidistantly arranged on one side of the positioning ring 10, so that the connection between the outer pipe 1 and the inner pipe 6 is more flexible and the offset distance is increased by the arrangement of the connecting rods 13 and the movable limiting ring 14.

The utility model discloses a use method and advantage: when the high-pressure resistant rotary compensator is installed, the working process is as follows:

as shown in fig. 1, 2, 3, 4 and 5, during installation, the movable limiting ring 14 and the positioning ring 10 are respectively sleeved on the outer tube 1 and the inner tube 6, twelve positioning bolts 11 movably connected with the connecting rod 13 are respectively inserted into corresponding through holes of the positioning ring 10, and twelve nuts 12 are screwed by hands to enable one opposite sides of the movable limiting ring 14 and the positioning ring 10 to be respectively attached and connected with one opposite sides of the outer tube 1 and the inner tube 6, so that when the inner tube 6 axially rotates, the connecting rod 13 and the movable limiting ring 14 can rotate along with the inner tube.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. The skilled worker in this industry should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification is only the preferred embodiments of the present invention, and does not limit the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A high pressure resistant rotary compensator, includes outer tube (1), its characterized in that: the outer pipe (1) is fixedly sleeved with a limiting sleeve (2), the limiting sleeve (2) is movably sleeved with a first sealing ring (3) and a rotating cylinder (4), and the rotating cylinder (4) is movably sleeved in the outer pipe (1);

rotate one side activity nested of a section of thick bamboo (4) and have second sealing washer (5), and rotate a section of thick bamboo (4) internalization and cup jointed inner tube (6), sealing ring (7) have been cup jointed in the activity on inner tube (6), and the equal activity nested of both sides of sealing ring (7) has third sealing washer (8), fixed sleeve (9) and activity cup jointed holding ring (10) have been fixed respectively on inner tube (6), and one side activity of fixed sleeve (9) is pegged graft in outer tube (1), the activity is interlude has positioning bolt (11) on holding ring (10), and on positioning bolt (11) respectively threaded connection have hand to twist nut (12) and activity to cup joint connecting rod (13), activity spacing ring (14) have been cup jointed in outer tube (1), and the other end and the activity spacing ring (14) swing joint of connecting rod (13).

2. High pressure resistant rotary compensator according to claim 1, characterized by: the end face of one side of the inner pipe (6) is attached to the end face of one side of the limiting sleeve (2), and the inner diameter of the inner pipe (6) is equal to that of the limiting sleeve (2).

3. High pressure resistant rotary compensator according to claim 1, characterized by: and one side of the rotating cylinder (4) is provided with a ring groove matched with the second sealing ring (5), and the outer wall of the inner pipe (6) is provided with a convex ring matched with the rotating cylinder (4) and movably inserted in the ring groove.

4. High pressure resistant rotation compensator according to claim 1, characterized by: the inner wall of the outer pipe (1) and the outer wall of the rotating cylinder (4) are respectively provided with two sets of sliding grooves which are matched with each other, and a plurality of balls (15) are movably nested in the two sets of sliding grooves.

5. High pressure resistant rotary compensator according to claim 1, characterized by: the inner diameter of the sealing ring (7) is matched with the outer diameter of the inner pipe (6), and one side, back to the back, of the third sealing ring (8) is respectively attached to one side, opposite to the rotating cylinder (4) and the fixing sleeve (9), of the rotating cylinder.

6. High pressure resistant rotary compensator according to claim 1, characterized by: the number of the positioning bolts (11) and the number of the connecting rods (13) are 12, and the 12 positioning bolts (11) are radially arranged on one side of the positioning ring (10) at equal intervals.