CN203023719U - Pipeline compensator with inclined-plane sealing cavity - Google Patents
Pipeline compensator with inclined-plane sealing cavity Download PDFInfo
- Publication number
- CN203023719U CN203023719U CN 201220728785 CN201220728785U CN203023719U CN 203023719 U CN203023719 U CN 203023719U CN 201220728785 CN201220728785 CN 201220728785 CN 201220728785 U CN201220728785 U CN 201220728785U CN 203023719 U CN203023719 U CN 203023719U
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- angle
- plane
- compensator
- seal cage
- outer sleeve
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Abstract
The utility model relates to a pipeline compensator with an inclined-plane sealing cavity, which comprises a core pipe, an outer sleeve and a flange, wherein the surface of the flange is set as an inclined plane, and the surface of the outer sleeve is also set as an inclined plane; the angle A between the inclined plane of the flange and the outer surface of the core pipe is greater than 60 degrees and less than 80 degrees; the angle between the inclined plane of the outer sleeve and the core pipe is equal to the angle A; sealing filler and a spacer ring are arranged in a sealing cavity; V-shaped slots are formed in the two end surfaces of the spacer ring; and the angle between the V-shaped slots is 140 degrees. According to the utility model, by adopting the inclined plane of the sealing cavity and the spacer ring, the filler is extruded toward the outer surface of the core pipe when in compaction so that the sealing filler has uniform density and the sealing effect is enhanced. The pipeline compensator provided by the utility model has simple structure and low cost, and is convenient to mount and maintain; and the service life of the compensator is prolonged by over 20%.
Description
Technical field
The utility model relates to the pipeline compensator technical field, and especially a kind of Seal cage end face is made as the compensator of ramp structure.
Background technique
Generally all need to install and use compensation device in the pipeline of the industries such as electric power, oil, chemical industry, heating power, existing compensation device generally includes whirl compensator, sleeve expansion joint, spherical compensator etc., is used for compensation pipeline axial and displacement radially.Especially the pipeline of carrying high temperature, high-pressure medium is had relatively high expectations for compensator, and compensator not only will have enough bit shift compensation amounts, also will have the characteristics of favorable sealing property and long service life.
The Seal cage of existing whirl compensator, sleeve expansion joint, spherical compensator is all generally the flat square structure, and is namely mutually vertical between adjacent two faces of Seal cage.The flange that is used for stuffing box packing in the press seal chamber is also conventional planar design, and namely by the stuffing box packing in Flange Plane press seal chamber, Flange Plane can decay with the increase of length gradually to the stuffing box packing applied pressure.At present, the flat square structure of existing compensator Seal cage can cause stuffing box packing Density inhomogeneity up and down, causes the sealability of compensator to descend.After compensator stamen plumber did, compensator was easy to sternly not leak because of packing seal, caused descend the working life of compensator, increased user's maintenance cost, sometimes even had to pipeline is stopped production to change compensator, caused greater loss.
The model utility content
Deficiency for above existing compensator Seal cage and stuffing box packing, the purpose of this utility model is to provide the compensator that a kind of Seal cage end face is made as ramp structure, utilize the inclined-plane of Seal cage and put into the spacer ring of stuffing box packing, can effectively improve the uniformity of compensator stuffing box packing, improve sealing effect.
The purpose of this utility model is achieved by the following technical solution:
Seal cage is made as the pipeline compensator on inclined-plane, comprise compensator core pipe, outer sleeve and flange, described core pipe box is located in outer sleeve, outer sleeve is connected with flange, the internal surface of described outer sleeve is provided with the annular stop circle, one end face of flange is provided with bulge loop, and the internal surface of outer surface, position limit cycle and the outer sleeve of described flange bulge loop and core pipe consists of Seal cage;
The surface of described flange bulge loop is made as the inclined-plane, and the internal surface of described outer sleeve position limit cycle also is made as the inclined-plane, and two inclined-planes are symmetrically set and consist of two end faces of described Seal cage.
As optimal technical scheme of the present utility model, the angle between the inclined-plane of described flange bulge loop and core tube outer surface is made as the A angle, and the A angle is less than 90 degree, and the angle between the inclined-plane of described outer sleeve position limit cycle and core tube outer surface equates with the A angle.
As optimal technical scheme of the present utility model, described A spends less than 80 greater than 60 degree at the angle.
As optimal technical scheme of the present utility model, be provided with stuffing box packing in described Seal cage, the centre of stuffing box packing is provided with plain ring.
As optimal technical scheme of the present utility model, two end faces of described plain ring are respectively equipped with V-shaped groove, and the angle of described V-shaped groove is made as the C angle, and C spends greater than 90 at the angle.
As optimal technical scheme of the present utility model, described C spends less than 150 greater than 120 degree at the angle.
The beneficial effects of the utility model are: with respect to prior art, the utility model is made as the inclined-plane with the Seal cage end face of compensator, filler seal face with flange also is made as ramp structure simultaneously, add stuffing box packing to a half in Seal cage, put into spacer ring, and then continue to add second half stuffing box packing; Can effectively improve the uniformity of stuffing box packing like this, thereby improve the sealability of compensator.
The utility model utilizes the ramp structure of Seal cage and puts into the spacer ring of stuffing box packing, when compressing filler, filler is pushed to the stamen tube outer surface, make the stuffing box packing density of stamen tube outer surface to be strengthened and more even, strengthen the sealing effect of compensator stuffing box packing, not only simple in structure, cost is lower, and convenient for installation and maintenance, and improve more than 20% the working life of compensator.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation that the utility model Seal cage adds filler and spacer ring;
Fig. 3 is the structural representation of the utility model spacer ring.
Embodiment
Embodiment one
As Fig. 1, Fig. 2 and shown in Figure 3, Seal cage is made as the pipeline compensator on inclined-plane, comprise compensator core pipe 1, outer sleeve 3 and flange 2, the end of outer sleeve 3 is welded with conical pipe 4, described core pipe 1 is set in outer sleeve 3, and outer sleeve 3 is connected with flange 2, and the internal surface of outer sleeve 3 is provided with the annular stop circle, one end face of flange is provided with bulge loop, and the internal surface of the outer surface of described flange bulge loop and core pipe 1, position limit cycle and outer sleeve 3 consists of Seal cage; The surface of flange bulge loop is made as inclined-plane 21, and the internal surface of outer sleeve position limit cycle also is made as two end faces that inclined-plane, 31, two, inclined-plane is symmetrically set and consists of described Seal cage.
In the present embodiment, angle between the inclined-plane 21 of described flange bulge loop and core pipe 1 outer surface is made as A angle (not shown), the A angle is less than 90 degree, and the angle between the inclined-plane 31 of described outer sleeve position limit cycle and core pipe 1 outer surface equates with the A angle, and described A spends less than 80 greater than 60 at the angle and spends.
As shown in Figure 1, the angle of described flange inclined-plane 21 and core pipe 1 axis vertical surface is the B angle, and the angle of described outer sleeve position limit cycle inclined-plane 31 and core pipe 1 axis vertical surface is also the B angle.As the utility model mode of execution preferably, described A angle is 72 degree, and the B angle is 18 degree.
As shown in Figures 2 and 3, be provided with stuffing box packing 6 in described compensator Seal cage, the centre of stuffing box packing 6 is provided with plain ring 5, and two end faces of plain ring 5 are respectively equipped with V-shaped groove, and the angle of V-shaped groove is made as the C angle, and C spends less than 150 greater than 120 degree at the angle.As the utility model mode of execution preferably, described C angle is 140 degree.
Embodiment two
Improve the inhomogeneity method of compensator stuffing box packing, comprise the following steps: (1) is made as respectively ramp structure with two end faces of compensator Seal cage;
(2) add stuffing box packing to a half in Seal cage, put into spacer ring, and then continue to add second half stuffing box packing;
(3) two end faces of Seal cage are installed relatively, when one of them end face is relatively moved to another end face, two end-acted axial directions that point to compensator in the power of stuffing box packing.
Two end faces of described Seal cage equate with the angle between the compensator axis, and are made as the A angle, described A angle greater than 60 degree less than 80 degree; Two end faces of described spacer ring are respectively equipped with V-shaped groove, and the angle of described V-shaped groove is made as the C angle, and C spends less than 150 greater than 120 degree at the angle.As the utility model mode of execution preferably, described A angle is 72 degree, and the B angle is 18 degree, and the C angle is 140 degree.
The utility model is for the compensator of working pressure 〉=5.0MPa, at one spacer ring of stuffing box packing neutral position increase, filler is more all even tight up and down to make Seal cage, can guarantee the density of stuffing box packing, can guarantee again the sealability of compensator under high pressure conditions, being specially adapted to latus rectum is that DN700, pressure are the whirl compensator of 8.0MPa, can improve the working life of compensator more than 20%.Certainly, the utility model is not limited to above mode of execution, everyly carries out simple transformation or is equal to the technological scheme of replacement for the utility model, all should think the protection domain that falls into the utility model claim.
Claims (6)
1. a Seal cage is made as the pipeline compensator on inclined-plane, comprise compensator core pipe, outer sleeve and flange, described core pipe box is located in outer sleeve, outer sleeve is connected with flange, it is characterized in that: the internal surface of described outer sleeve is provided with the annular stop circle, one end face of flange is provided with bulge loop, and the internal surface of outer surface, position limit cycle and the outer sleeve of described flange bulge loop and core pipe consists of Seal cage;
The surface of described flange bulge loop is made as the inclined-plane, and the internal surface of described outer sleeve position limit cycle also is made as the inclined-plane, and two inclined-planes are symmetrically set and consist of two end faces of described Seal cage.
2. Seal cage according to claim 1 is made as the pipeline compensator on inclined-plane, it is characterized in that: the angle between the inclined-plane of described flange bulge loop and core tube outer surface is made as the A angle, the A angle is less than 90 degree, and the angle between the inclined-plane of described outer sleeve position limit cycle and core tube outer surface equates with the A angle.
3. Seal cage according to claim 2 is made as the pipeline compensator on inclined-plane, it is characterized in that: described A spends less than 80 greater than 60 degree at the angle.
4. Seal cage according to claim 1 and 2 is made as the pipeline compensator on inclined-plane, it is characterized in that: be provided with stuffing box packing in described Seal cage, the centre of stuffing box packing is provided with plain ring.
5. Seal cage according to claim 4 is made as the pipeline compensator on inclined-plane, it is characterized in that: two end faces of described plain ring are respectively equipped with V-shaped groove, and the angle of described V-shaped groove is made as the C angle, and C spends greater than 90 at the angle.
6. Seal cage according to claim 5 is made as the pipeline compensator on inclined-plane, it is characterized in that: described C spends less than 150 greater than 120 degree at the angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220728785 CN203023719U (en) | 2012-12-26 | 2012-12-26 | Pipeline compensator with inclined-plane sealing cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220728785 CN203023719U (en) | 2012-12-26 | 2012-12-26 | Pipeline compensator with inclined-plane sealing cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203023719U true CN203023719U (en) | 2013-06-26 |
Family
ID=48647704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220728785 Expired - Lifetime CN203023719U (en) | 2012-12-26 | 2012-12-26 | Pipeline compensator with inclined-plane sealing cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203023719U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047506A (en) * | 2012-12-26 | 2013-04-17 | 江苏贝特管件有限公司 | Pipeline compensator with seal cavity designed with inclined plane |
| CN103470759A (en) * | 2013-09-07 | 2013-12-25 | 江苏贝德管道设备有限公司 | Double-seal high temperature and high pressure rotary compensator and manufacturing method thereof |
| CN103994296A (en) * | 2014-06-06 | 2014-08-20 | 江苏贝特管件有限公司 | High-pressure-resistant integrated leakage-free rotating compensator |
-
2012
- 2012-12-26 CN CN 201220728785 patent/CN203023719U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047506A (en) * | 2012-12-26 | 2013-04-17 | 江苏贝特管件有限公司 | Pipeline compensator with seal cavity designed with inclined plane |
| CN103047506B (en) * | 2012-12-26 | 2015-10-28 | 江苏贝特管件有限公司 | Seal cage is set to the pipeline compensator on inclined-plane |
| CN103470759A (en) * | 2013-09-07 | 2013-12-25 | 江苏贝德管道设备有限公司 | Double-seal high temperature and high pressure rotary compensator and manufacturing method thereof |
| CN103994296A (en) * | 2014-06-06 | 2014-08-20 | 江苏贝特管件有限公司 | High-pressure-resistant integrated leakage-free rotating compensator |
| US10203056B2 (en) | 2014-06-06 | 2019-02-12 | Jiangsu Beite Pipe Fittings Co., Ltd. | High-pressure tolerant integrated leakage-proof sleeve compensator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |
|
| CX01 | Expiry of patent term |