CN205013947U - Self -imposed sealed whirl compensator - Google Patents
Self -imposed sealed whirl compensator Download PDFInfo
- Publication number
- CN205013947U CN205013947U CN201520493808.8U CN201520493808U CN205013947U CN 205013947 U CN205013947 U CN 205013947U CN 201520493808 U CN201520493808 U CN 201520493808U CN 205013947 U CN205013947 U CN 205013947U
- Authority
- CN
- China
- Prior art keywords
- core pipe
- sealing body
- flexible sealing
- reducer
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model provides a self -imposed sealed whirl compensator, includes tapered pipe, core pipe, one side suit of core pipe is equipped with a seal structure between tapered pipe and the core pipe in the tapered pipe, a seal structure includes the annular flexible sealing body, and the flexible sealing body is the U -shaped cross -section, and flexible sealing body suit touches respectively and connects core outside of tubes wall and tapered pipe inner wall in core outside of tubes, inner circle, the outer lane of the flexible sealing body, and the open end in flexible sealing body U -shaped cross -section touches with the core pipe connector, and the U -shaped cross -section corresponding department of open end with the flexible sealing body on the core pipe circumference is equipped with several radial hole, and each radial hole's diameter is lighter than the opening width of flexible sealing body U -shaped cross -section open end. The utility model discloses a two pass seal structure who sets up realizes reliable self sealss effect, effectively avoids leaking, steel ball location adopts the unilateral to open the mode of spacing groove, makes the steel ball very improve in axial and radial stability, eliminates invar ball position and freely change and produce and block dead phenomenon.
Description
Technical field
The utility model relates to a kind of pipe network parts, the self-closing sealed type whirl compensator that particularly selfsealings reliable performance, rotation additional properties are stable.
Background technique
Whirl compensator is a kind of compensator grown up on sleeve expansion joint basis, and be mainly used in the built on stilts steam that lays and hot-water pipeline system, its design pressure is 0.1-10.0Mpa.Whirl compensator is arranged on heat distribution pipeline needs two or three to arrange in groups, is formed and relatively rotates with extraction duct thermal walking, reduces pipe stress.There is due to whirl compensator the advantages such as single group compensation rate is large, security of operation, be widely adopted in heating network piping technology.Conventional self-closing sealed type whirl compensator main composition comprises the components such as reducer, seal ring, outer tube, integral sealing ring, sealing seat, steel ball, core pipe.The active force that in use pressure medium produces acts on seal ring, realizes sealing effect.But common self-closing sealed type whirl compensator has following shortcoming in actual applications: 1, can not ensure that impacting force size suffered by seal ring is circumferentially uniform, the regional area that impacting force is little has leakage hidden danger; 2, in installation and in using, whirl compensator has certain angle distortion, can produce local gap, and produce leakage thus at this situation seal ring circumference; 3, filler easily weares and teares, and cannot fill up after wearing and tearing; 4, steel ball is as main rotation member, lacks necessary spacing easy generation stuck phenomenon, makes whirl compensator not have stable rotation compensation effect.
Model utility content
The purpose of this utility model is the drawback for prior art, provide a kind of selfsealings effective, can the self-closing sealed type whirl compensator of effective Leakage prevention.
Problem described in the utility model realizes with following technical proposals:
A kind of self-closing sealed type whirl compensator, comprise reducer, core pipe, the side of core pipe is sleeved in reducer, the big opening end of reducer is provided with sealing seat, the first sealing configuration is provided with between reducer and core pipe, described first sealing configuration comprises the flexible sealing body of ring-type, flexible sealing body is U-shaped cross section, flexible sealing body is sleeved on outside core pipe, the inner ring of flexible sealing body, outer ring touches core tube wall and reducer inwall respectively, the opening end in flexible sealing body U-shaped cross section contacts with core pipe, core pipe is circumferentially provided with several radial direction through hole with the opening end corresponding section, U-shaped cross section of flexible sealing body, the diameter of each radial direction through hole is less than the A/F of flexible sealing body U-shaped cross section opening end.
Above-mentioned self-closing sealed type whirl compensator, described radial direction through hole is evenly distributed on core pipe circumferentially, and the centre distance between adjacent radial through hole is 180-220 millimeter.
Above-mentioned self-closing sealed type whirl compensator, described reducer is provided with inwardly protruded annular gear platform, described first sealing configuration is provided with the first positioning ring and the second positioning ring, first positioning ring, the second positioning ring lay respectively at the left and right sides of flexible sealing body, first positioning ring and the seam of core pipe, establish back-up ring on the left of the first positioning ring, back-up ring and reducer seam, second positioning ring is sleeved on core pipe, is followed successively by steel ball and annular gear platform on the right side of the second positioning ring.
Above-mentioned self-closing sealed type whirl compensator, described reducer inwall place is provided with the steel-ball limiting groove that cross section is circular arc, and steel ball is positioned at steel-ball limiting groove, and the radius of curvature of steel-ball limiting groove is mated with the radius of steel ball.
Above-mentioned self-closing sealed type whirl compensator, the second sealing configuration is also provided with between reducer and core pipe, described second sealing configuration comprises graphite packing seal, sealing gland, supporting disk and teflon anti-attrition liner, sealing gland is sleeved on outside core pipe, sealing gland left end is provided with the limited ring of evagination, supporting disk to be positioned on the right side of sealing gland and to fix with core pipe, described graphite packing seal is arranged between reducer and core pipe, annular gear platform is pressed on the left of graphite packing seal, right side presses the end face of the limited ring of sealing gland, connecting bolt is through sealing seat, sealing gland and supporting disk, connecting bolt end is provided with the nut with its screw-thread fit, pocketed springs on connecting bolt, the two ends of spring press sealing gland and supporting disk respectively, described teflon anti-attrition liner is between sealing gland and core pipe.
The utility model improves for the problem that existing self-closing sealed type whirl compensator sealability is not good enough, double-channel sealing structure is set, wherein first sealing configuration is the looped flexible seal be arranged between core pipe and outer tube, looped flexible seal is U-shaped cross section, looped flexible seal is by being arranged on the uniform radial direction through hole of core pipe circumference, by pressure medium stepless action to U-shaped flexible sealing body, realize reliable sealing effect; Further, between core pipe and outer tube, adopt flexible graphite packing seal as second auxiliary sealing structure, above sealing gland, add spring simultaneously, when trace wearing and tearing appear in second auxiliary sealing structure, rely on the tension force of spring self to recompense, realize self-closing sealing.In addition, the utility model steel ball location adopts the one-sided mode opening restraining groove, and steel ball is assemblied in restraining groove, and steel ball is axially greatly being improved with radial stability, eliminate invar ball position free variation and produce stuck phenomenon, ensureing the smoothness that described whirl compensator rotates.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial enlarged view at Figure 1A place.
In figure, each list of reference numerals is: 1, reducer, 1-1, annular gear platform, 1-2, steel-ball limiting groove, 2, back-up ring, the 3, first positioning ring, 4, flexible sealing body, 5, the second positioning ring, 6, steel ball, 7, core pipe, 8, graphite packing seal, 9, sealing seat, 10, sealing gland, 10-1, limited ring, 11, spring, 12, supporting disk, 13, bolt, 14, teflon anti-attrition liner, 15, radial direction through hole.
Embodiment
Referring to Fig. 1, the utility model comprises reducer 1, core pipe 7, and the left end diameter of reducer is less than right-hand member diameter, and the right-hand member of reducer is provided with sealing seat 9, and the side of core pipe 7 is sleeved in reducer, MEDIA FLOW to from right to left, as shown in the direction of arrow in Fig. 1.
Referring to Fig. 1, Fig. 2, the utility model adopts two seals structure between reducer 1, core pipe 7, and wherein, the first sealing configuration is main seal structure.First sealing configuration comprises the flexible sealing body 4 of ring-type, back-up ring 2, first positioning ring 3 and the second positioning ring 5.Flexible sealing body 4 is quality of rubber materials, and its sectional shape is U-shaped, and flexible sealing body is sleeved on outside core pipe, and the inner ring of flexible sealing body, outer ring touch core tube wall and reducer inwall respectively, the opening end in flexible sealing body U-shaped cross section and the wall contacts of core pipe.The circumference place that the U-shaped cross section opening end of core Guan Shangyu flexible sealing body is corresponding evenly arranges several radial direction through hole 15, the diameter of radial direction through hole is less than the A/F of flexible sealing body U-shaped cross section opening end, and the centre distance between adjacent radial through hole is 180-220 millimeter.The MEDIA FLOW that said structure is worked as in core pipe is out-of-date, medium permeates radial direction through hole is applied to flexible sealing body, utilize the working pressure of medium self, make the base of flexible sealing body and dual-side and outwards expand, thus realize reliable sealing, the trend of the working pressure larger flexible sealing volumetric expansion of medium is more obvious, and sealing effect also can improve thereupon.In addition, because radial direction through hole is evenly arranged on core pipe circumferentially, therefore the expansion of flexible sealing body is also produce along core pipe even circumferential, eliminates regional area and leaks hidden danger.
Still referring to Fig. 1, Fig. 2, the left and right sides of flexible sealing body 4 is respectively equipped with the first positioning ring 3 and the second positioning ring 5 to its axial limiting.First positioning ring and the seam of core pipe, establish back-up ring 2 on the left of the first positioning ring, and back-up ring and reducer seam, the first positioning ring is near back-up ring.Second positioning ring is sleeved on core pipe 7, is followed successively by steel ball 6 and is arranged on reducer 1 place inwardly protruded annular gear platform 1-1 on the right side of the second positioning ring.Steel ball directly affects the compensation performance of whirl compensator as its rotating property of rotor, the utility model is provided with the steel-ball limiting groove 1-2 that cross section is circular arc at reducer inwall place, the radius of curvature of steel-ball limiting groove is mated with the radius of steel ball, steel ball is assembled to after in steel-ball limiting groove, position-limiting action can be played by steel-ball limiting groove to the axis of steel ball and radial direction, avoid producing stuck phenomenon because of the position free variation of steel ball.
Still referring to Fig. 1, Fig. 2, the utility model is also provided with the second sealing configuration as auxiliary seal between reducer and core pipe.Described second sealing configuration comprises graphite packing seal 8, sealing gland 10, supporting disk 12 and teflon anti-attrition liner 14.Graphite packing seal 8 adopts post forming precompression technology, makes to produce distortion between graphite packing and combines together, improve the density of filler.Graphite packing seal, as location load parts, keeps the coaxality of Total Product, avoids because angle distortion produces local gap.Sealing gland is sleeved on outside core pipe, sealing gland left end is provided with the limited ring 10-1 of evagination, supporting disk to be positioned on the right side of sealing gland and to fix with core pipe, graphite packing seal, between reducer and core pipe, presses the limited ring end face that annular keeps off platform, right side presses sealing gland on the left of graphite packing seal.Connecting bolt 13 is through sealing seat, sealing gland and supporting disk, and connecting bolt end is provided with the nut with its screw-thread fit, pocketed springs 11 on connecting bolt, and the two ends of spring press sealing gland and supporting disk respectively.When trace wearing and tearing appear in graphite packing seal, rely on the tension force of spring self to promote sealing gland and recompense, realize self-closing sealing.Between sealing gland and core pipe, be provided with teflon anti-attrition liner, teflon anti-attrition liner, for reducing the frictional force between sealing gland and core pipe, ensures that sealing gland can motion compensation.
Claims (5)
1. a self-closing sealed type whirl compensator, comprise reducer (1), core pipe (7), the side of core pipe is sleeved in reducer, the big opening end of reducer is provided with sealing seat (9), it is characterized in that: between reducer and core pipe, be provided with the first sealing configuration, described first sealing configuration comprises the flexible sealing body (4) of ring-type, flexible sealing body is U-shaped cross section, flexible sealing body is sleeved on outside core pipe, the inner ring of flexible sealing body, outer ring touches core tube wall and reducer inwall respectively, the opening end in flexible sealing body U-shaped cross section contacts with core pipe, core pipe is circumferentially provided with several radial direction through hole (15) with the opening end corresponding section, U-shaped cross section of flexible sealing body, the diameter of each radial direction through hole is less than the A/F of flexible sealing body U-shaped cross section opening end.
2. self-closing sealed type whirl compensator according to claim 1, it is characterized in that: radial direction through hole (15) is evenly distributed on core pipe circumferentially, the centre distance between adjacent radial through hole is 180-220 millimeter.
3. self-closing sealed type whirl compensator according to claim 2, it is characterized in that: described reducer is provided with inwardly protruded annular gear platform (1-1), described first sealing configuration is provided with the first positioning ring (3) and the second positioning ring (5), first positioning ring, the second positioning ring lay respectively at the left and right sides of flexible sealing body, first positioning ring and the seam of core pipe, back-up ring is established on the left of the first positioning ring, back-up ring and reducer seam, second positioning ring is sleeved on core pipe, is followed successively by steel ball (6) and annular gear platform on the right side of the second positioning ring.
4. self-closing sealed type whirl compensator according to claim 3, it is characterized in that: described reducer inwall place is provided with the steel-ball limiting groove (1-2) that cross section is circular arc, steel ball is positioned at steel-ball limiting groove, and the radius of curvature of steel-ball limiting groove is mated with the radius of steel ball.
5. self-closing sealed type whirl compensator according to claim 4, it is characterized in that: between reducer and core pipe, be also provided with the second sealing configuration, described second sealing configuration comprises graphite packing seal (8), sealing gland (10), supporting disk (12) and teflon anti-attrition liner (14), sealing gland is sleeved on outside core pipe, sealing gland left end is provided with the limited ring (10-1) of evagination, supporting disk to be positioned on the right side of sealing gland and to fix with core pipe, described graphite packing seal is arranged between reducer and core pipe, annular gear platform is pressed on the left of graphite packing seal, right side presses the end face of the limited ring of sealing gland, connecting bolt (13) is through sealing seat, sealing gland and supporting disk, connecting bolt end is provided with the nut with its screw-thread fit, pocketed springs (11) on connecting bolt, the two ends of spring press sealing gland and supporting disk respectively, described teflon anti-attrition liner is between sealing gland and core pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520493808.8U CN205013947U (en) | 2015-07-10 | 2015-07-10 | Self -imposed sealed whirl compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520493808.8U CN205013947U (en) | 2015-07-10 | 2015-07-10 | Self -imposed sealed whirl compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205013947U true CN205013947U (en) | 2016-02-03 |
Family
ID=55212549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520493808.8U Active CN205013947U (en) | 2015-07-10 | 2015-07-10 | Self -imposed sealed whirl compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205013947U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042258A (en) * | 2015-07-10 | 2015-11-11 | 石家庄巨力科技有限公司 | Self-sealed type rotating compensator reliable to seal |
| CN107461561A (en) * | 2017-10-12 | 2017-12-12 | 开平市积雨卫浴实业有限公司 | A kind of Revolving joint |
-
2015
- 2015-07-10 CN CN201520493808.8U patent/CN205013947U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042258A (en) * | 2015-07-10 | 2015-11-11 | 石家庄巨力科技有限公司 | Self-sealed type rotating compensator reliable to seal |
| CN107461561A (en) * | 2017-10-12 | 2017-12-12 | 开平市积雨卫浴实业有限公司 | A kind of Revolving joint |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201043653Y (en) | Rotary compensator | |
| CN201057337Y (en) | Zero-thrust rotary compensator | |
| CN205013947U (en) | Self -imposed sealed whirl compensator | |
| CN104329529A (en) | Novel precision-type high-pressure-resistant rotary compensator | |
| CN204127557U (en) | Novel precise formula high pressure resistant rotary compensator | |
| CN105042258A (en) | Self-sealed type rotating compensator reliable to seal | |
| CN107270000A (en) | Double antifriction anticreep self-sealing rotary compensators | |
| CN103016891A (en) | Combined-type powdered coal pipeline compensation device | |
| CN102261534A (en) | Novel pipeline flexible joint with great deformation capability | |
| CN205716144U (en) | A kind of packing type extension section for pressure steel pipeline | |
| CN207364525U (en) | A kind of wear-resisting whirl compensator without acceptance of persons | |
| CN203023719U (en) | Pipeline compensator with inclined-plane sealing cavity | |
| CN105526452A (en) | High-temperature-resistant and high-pressure-resistant rotary compensator | |
| CN207213470U (en) | From safeguarding without thrust whirl compensator | |
| CN105257934A (en) | End face sealing structure used for rotary compensator and rotary compensator | |
| CN201416724Y (en) | Internal pressure self-sealing rotary pipe connector | |
| CN205244689U (en) | A end face seal structure and whirl compensator for whirl compensator | |
| CN202349450U (en) | Rotary compensator | |
| CN201715149U (en) | Large-deflection loose tube spherical compensating joint | |
| CN205065156U (en) | Telescopic joint | |
| CN107339529A (en) | Full-automatic bidirectional whirl compensator | |
| CN107270012A (en) | Solid forging high pressure resistant rotary compensator | |
| CN101576184B (en) | Internal pressure self-sealing swivel joint | |
| CN102313095A (en) | Large-deflection loose spherical compensation joint | |
| CN207213424U (en) | Double antifriction anticreep self-sealing rotary compensators |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 051530, Shijiazhuang, Hebei province Zhaoxian County new walled shop Patentee after: SHIJIAZHUANG JULLY SCIENCE & TECHNOLOGY CO.,LTD. Address before: 051530, Shijiazhuang, Hebei province Zhaoxian County new walled shop Patentee before: Shijiazhuang Jully Science & Technology Co.,Ltd. |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230616 Granted publication date: 20160203 |