CN210510706U

CN210510706U - Filling type sleeve compensator

Info

Publication number: CN210510706U
Application number: CN201921106128.0U
Authority: CN
Inventors: 王鹏; 王晓兵; 丁玉红
Original assignee: Jiangsu Baoheng Pipe Fittings Co ltd
Current assignee: Jiangsu Baoheng Pipe Fittings Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-05-12
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a formula sleeve compensator is filled to notes relates to compensator technical field. The graphite sealing filler is characterized by comprising an outer sleeve, a limiting mechanism is fixedly mounted on the inner wall of the outer sleeve close to a left opening position, the limiting mechanism comprises a first limiting ring, a connecting rod and a second limiting ring, the right side face of the first limiting ring is connected with the second limiting ring through the connecting rod fixedly, graphite sealing filler is filled between the first limiting ring and the second limiting ring, a material injection nozzle is fixedly mounted on the outer sleeve corresponding to the graphite sealing filler, a sealing bolt is mounted on the material injection nozzle in a threaded mode, and first threaded holes are uniformly formed in the outer surface of the first limiting ring and the outer surface of the second limiting ring. The utility model discloses a change the welding mode into threaded connection mode, manpower and time cost when the welding that has significantly reduced make the dismouting more convenient simultaneously, are convenient for maintain and change, and the rethread protective sheath protects the inner tube, makes the inner tube use safer.

Description

Filling type sleeve compensator

Technical Field

The utility model relates to a compensator technical field specifically is a formula sleeve compensator is filled to notes.

Background

The sleeve compensator is called a tubular expansion joint, is a compensation device of a hot fluid pipeline, is mainly used for the absorption and compensation of axial thermal expansion displacement after a linear pipeline is arranged, is a compensator directly installed in any pipeline for conveying non-corrosive unidirectional or multidirectional fluid, is widely used for heating in cities and towns, metallurgy, mines, power generation, petrochemical industry, construction and other industries, and has the following problems in the production and processing process of the prior filling type sleeve compensator:

1. in the prior art, a limiting ring used for limiting the sealing filler between the inner walls of the outer sleeves of the filling type sleeve compensators is mostly fixed in a welding mode, so that not only is a large amount of labor and time cost consumed, but also the outer sleeves are easy to deform due to welding, the direct sealing performance of the inner sleeves and the outer sleeves is poor, and the environment is polluted;

2. in the prior art, an inner cylinder of the filling type sleeve compensator is directly exposed to the outside, and a protective layer is not provided, so that the inner cylinder is easy to corrode and damage.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an annotate and fill formula sleeve compensator possesses manpower and time cost when having reduced the welding, and it is more convenient to make the dismouting simultaneously, and the inner tube uses advantages such as safer, has solved the notes that traditional welding mode produced and has filled formula sleeve compensator, needs to consume a large amount of manpowers and time cost, and the welding causes outer sleeve deformation easily simultaneously, makes inner tube and the direct leakproofness variation of outer sleeve, and the inner tube does not have the protective layer, fragile problem.

(II) technical scheme

For realizing the aforesaid manpower and time cost when having reduced the welding, it is more convenient to make the dismouting simultaneously, and the inner tube uses safer purpose, the utility model provides a following technical scheme: an injection filling type sleeve compensator comprises an outer sleeve, wherein a limiting mechanism is fixedly arranged on the inner wall of the outer sleeve close to a left opening position, the limiting mechanism comprises a first limiting ring, a connecting rod and a second limiting ring, the right side surface of the first limiting ring is fixedly connected with the second limiting ring through the connecting rod, graphite sealing filler is filled between the first limiting ring and the second limiting ring, an injection nozzle is fixedly arranged on the outer sleeve corresponding to the graphite sealing filler, a sealing bolt is arranged on the injection nozzle in a threaded manner, first threaded holes are uniformly formed in the outer surfaces of the first limiting ring and the second limiting ring, a second threaded hole and a groove are formed in the side wall of the outer sleeve corresponding to the first threaded hole, a sealing element is fixedly arranged in the groove, a pressing block is fixedly arranged on the outer surface of the sealing element, and a third threaded hole is formed in the pressing block, first screw hole, second screw hole and third screw hole are connected fixedly through first locking bolt, the movable sleeve is equipped with the inner tube between the inner wall of first spacing ring and second spacing ring, the left surface of outer sleeve passes through coupling mechanism fixedly connected with protective sheath.

As an optimal technical scheme of the utility model, the right flank fixedly connected with reducing pipe of outer sleeve, and reducing pipe and outer sleeve be an organic whole injection moulding structure.

As an optimal technical scheme of the utility model, the fixed position welding that the surface of inner tube is close to the right side end has the third spacing ring.

As an optimized technical scheme of the utility model, the surface of first spacing ring is close to left side end fixed mounting and has the retaining ring, the diameter of retaining ring is greater than outer sleeve diameter 3mm-5 mm.

As a preferred technical scheme of the utility model, coupling mechanism includes fixed block and second locking bolt, the fixed block respectively with outer sleeve and protective sheath fixed connection, through second locking bolt fixed connection between the fixed block.

As a preferred technical scheme of the utility model, the mounting groove has all been seted up to the side that the fixed block faced mutually, fixed mounting has the sealing ring in the mounting groove.

As an optimized technical scheme of the utility model, the diameter of briquetting is greater than the diameter 5mm-8mm of recess, the diameter of sealing member and the phase-match between the recess.

(III) advantageous effects

Compared with the prior art, the utility model provides a formula sleeve compensator is filled to notes possesses following beneficial effect:

1. this annotate and fill formula sleeve compensator installs in third screw hole, second screw hole and first screw hole through the first locking bolt screw thread that sets up, makes briquetting, outer sleeve pass through threaded connection with first spacing ring and second spacing ring respectively, changes the welding mode into the threaded connection mode, manpower and time cost when having significantly reduced the welding, makes the dismouting more convenient simultaneously, is convenient for maintain and change.

2. This annotate formula sleeve compensator fills up, the fixed block is connected through second locking bolt in the coupling mechanism through setting up, makes protective sheath and outer sleeve carry out fixed connection, and the rethread protective sheath protects the inner tube, makes the inner tube use safer.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a partial cross-sectional view of the present invention;

fig. 3 is an enlarged view of the position a of the present invention.

In the figure: 1. an outer sleeve; 2. a limiting mechanism; 201. a first limit ring; 202. a connecting rod; 203. a second stop collar; 3. graphite sealing filler; 4. a material injection nozzle; 5. a seal bolt; 6. a first threaded hole; 7. a second threaded hole; 8. a groove; 9. a seal member; 10. briquetting; 11. a third threaded hole; 12. a first locking bolt; 13. an inner barrel; 14. a connecting mechanism; 141. a fixed block; 142. a second locking bolt; 15. a protective sleeve; 16. a reducer pipe; 17. a third limit ring; 18. a retainer ring; 19. mounting grooves; 20. and (4) a sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an injection filling type sleeve compensator comprises an outer sleeve 1, a limiting mechanism 2 is fixedly installed on the inner wall of the outer sleeve 1 near the left opening, the limiting mechanism 2 comprises a first limiting ring 201, a connecting rod 202 and a second limiting ring 203, the first limiting ring 201, the connecting rod 202 and the second limiting ring 203 are of an integral injection molding structure, so that the connecting strength between the first limiting ring 201 and the second limiting ring 203 is high and the first limiting ring is not easy to damage, the right side surface of the first limiting ring 201 is fixedly connected with the second limiting ring 203 through the connecting rod 202, graphite sealing filler 3 is filled between the first limiting ring 201 and the second limiting ring 203, an injection nozzle 4 is fixedly installed on the outer sleeve 1 corresponding to the graphite sealing filler 3, a sealing bolt 5 is installed on the injection nozzle 4 in a threaded manner, first threaded holes 6 are uniformly formed on the outer surfaces of the first limiting ring 201 and the second limiting ring 203, second screw hole 7 and recess 8 have been seted up with first screw hole 6 corresponding position on the lateral wall of outer sleeve 1, fixed mounting has sealing member 9 in the recess 8, the outer fixed surface of sealing member 9 installs briquetting 10, third screw hole 11 has been seted up on the briquetting 10, first screw hole 6, second screw hole 7 and third screw hole 11 are connected fixedly through first locking bolt 12, the movable sleeve is equipped with inner tube 13 between the inner wall of first spacing ring 201 and second spacing ring 203, the left surface of outer sleeve 1 passes through coupling mechanism 14 fixedly connected with protective sheath 15.

Specifically, the right side surface of the outer sleeve 1 is fixedly connected with a reducer 16, and the reducer 16 and the outer sleeve 1 are of an integral injection molding structure.

In the embodiment, the reducer pipe 16 is convenient for butt joint of the outer sleeve 1 and an external conveying pipe, and the reducer pipe 16 and the outer sleeve 1 are high in connection strength and not easy to damage.

Specifically, a third limiting ring 17 is fixedly welded on the outer surface of the inner cylinder 13 at a position close to the right end.

In this embodiment, the third limiting ring 17 prevents the inner cylinder 13 from sliding out, limits the inner cylinder 13, and makes the inner cylinder 13 move left and right more safely.

Specifically, a retainer ring 18 is fixedly mounted on the outer surface of the first limiting ring 201 close to the left end, and the diameter of the retainer ring 18 is 3mm-5mm larger than that of the outer sleeve 1.

In this embodiment, the retainer ring 18 prevents the limiting mechanism 2 from falling into the outer sleeve 1, and simultaneously limits the limiting mechanism 2, thereby facilitating installation of the first limiting ring 201 and the second limiting ring 203 in the limiting mechanism 2.

Specifically, coupling mechanism 14 includes fixed block 141 and second locking bolt 142, fixed block 141 respectively with outer sleeve 1 and protective sheath 15 fixed connection, through second locking bolt 142 fixed connection between the fixed block 141, mounting groove 19 has all been seted up to the opposite side of fixed block 141, fixed mounting has sealing ring 20 in the mounting groove 19.

In this embodiment, the sealing ring 20 in the mounting groove 19 prevents external rainwater from flowing in through the gap between the fixing blocks 141, so that the protection effect of the protective sleeve 15 on the inner tube 13 is better.

Specifically, the diameter of the pressing block 10 is 5mm-8mm larger than that of the groove 8, and the diameter of the sealing element 9 is matched with that of the groove 8.

In this embodiment, the pressing block 10 can tightly press the sealing element 9 into the groove 8, so as to ensure the sealing property of the sealing element 9.

The utility model discloses a theory of operation and use flow: when using, first locking bolt 12 screw thread installation is in third screw hole 11, in second screw hole 7 and first screw hole 6, make briquetting 10, outer sleeve 1 is connected fixedly through first locking bolt 12 with first spacing ring 201 and second spacing ring 203 respectively, it compresses tightly in recess 8 with sealing member 9 is fixed through briquetting 10 again, fix stop gear 2 promptly, change stop gear 2 traditional welding mode into threaded connection mode, manpower and time cost when having significantly reduced the welding, make the dismouting more convenient simultaneously, be convenient for maintain and change, fixed block 141 is connected through second locking bolt 142 in coupling mechanism 14, make protective sheath 15 and outer sleeve 1 carry out fixed connection, rethread protective sheath 15 protects inner tube 13, make inner tube 13 use safer.

To sum up, this annotate formula sleeve compensator fills up through changing the welding mode into threaded connection mode, manpower and time cost when the welding that has significantly reduced make the dismouting more convenient simultaneously, are convenient for maintain and change, and rethread protective sheath 15 protects inner tube 13, makes inner tube 13 use safer.

It should be noted that, in this document, terms such as "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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An injection-filled sleeve compensator comprising an outer sleeve (1), characterized in that: the inner wall of the outer sleeve (1) is fixedly provided with a limiting mechanism (2) close to the left side opening position, the limiting mechanism (2) comprises a first limiting ring (201), a connecting rod (202) and a second limiting ring (203), the right side surface of the first limiting ring (201) is fixedly connected with the second limiting ring (203) through the connecting rod (202), graphite sealing filler (3) is filled between the first limiting ring (201) and the second limiting ring (203), a material injection nozzle (4) is fixedly arranged on the outer sleeve (1) corresponding to the graphite sealing filler (3), a sealing bolt (5) is arranged on the material injection nozzle (4) in a threaded manner, first threaded holes (6) are uniformly formed on the outer surfaces of the first limiting ring (201) and the second limiting ring (203), and second threaded holes (7) and grooves (8) are formed on the side wall of the outer sleeve (1) at positions corresponding to the first threaded holes (6), fixed mounting has sealing member (9) in recess (8), the fixed surface of sealing member (9) installs briquetting (10), third screw hole (11) have been seted up on briquetting (10), first screw hole (6), second screw hole (7) and third screw hole (11) are connected fixedly through first locking bolt (12), movable sleeve is equipped with inner tube (13) between the inner wall of first spacing ring (201) and second spacing ring (203), the left surface of outer sleeve (1) passes through coupling mechanism (14) fixedly connected with protective sheath (15).

2. The slip-on sleeve compensator of claim 1 wherein: the right side surface of the outer sleeve (1) is fixedly connected with a reducer pipe (16), and the reducer pipe (16) and the outer sleeve (1) are of an integral injection molding structure.

3. The slip-on sleeve compensator of claim 1 wherein: and a third limiting ring (17) is fixedly welded at the position, close to the right end, of the outer surface of the inner cylinder (13).

4. The slip-on sleeve compensator of claim 1 wherein: a retainer ring (18) is fixedly mounted on the outer surface of the first limiting ring (201) close to the left end, and the diameter of the retainer ring (18) is 3-5 mm larger than that of the outer sleeve (1).

5. The slip-on sleeve compensator of claim 1 wherein: the connecting mechanism (14) comprises a fixing block (141) and a second locking bolt (142), the fixing block (141) is fixedly connected with the outer sleeve (1) and the protective sleeve (15) respectively, and the fixing blocks (141) are fixedly connected through the second locking bolt (142).

6. The slip-on sleeve compensator of claim 5, wherein: mounting groove (19) have all been seted up to fixed block (141) side that faces mutually, fixed mounting has sealing ring (20) in mounting groove (19).

7. The slip-on sleeve compensator of claim 1 wherein: the diameter of the pressing block (10) is 5-8 mm larger than that of the groove (8), and the diameter of the sealing piece (9) is matched with that of the groove (8).