CN106838524A - A kind of non-maintaining piping lane system-specific compensator - Google Patents
A kind of non-maintaining piping lane system-specific compensator Download PDFInfo
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- CN106838524A CN106838524A CN201710088630.2A CN201710088630A CN106838524A CN 106838524 A CN106838524 A CN 106838524A CN 201710088630 A CN201710088630 A CN 201710088630A CN 106838524 A CN106838524 A CN 106838524A
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- China
- Prior art keywords
- sealing
- ring
- piping lane
- compensator
- lane system
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention provides a kind of non-maintaining piping lane system-specific compensator, described compensator is at least positioned on compensation mechanism mounting bracket along pipe lengths, the compensation mechanism mounting bracket is installed on the ground, and the compensator two ends are connected with upstream body, downstream body respectively；Its innovative point is：The compensator includes interior moving casing, outer tube and end pipe；The end of the interior moving casing is fixed on middle and lower part position in outer tube, and the end laminating of the end pipe is fixed on the inwall of outer tube top, forms three layers of sleeve structure.Non-maintaining piping lane system-specific compensator of the invention, realizes without thrust, compensation apart from big, the low feature of operation cost with significant, meets city heat supply demand.
Description
Technical field
The present invention relates to conduit fittings technical field, more particularly to a kind of non-maintaining piping lane system-specific compensator.
Background technology
Compensator compensator is traditionally also expansion joint, or telescopic joint.By bellows (a kind of bullet for constituting its operative body
Property element) and the annex such as end pipe, support, flange, conduit composition.The structure of existing sleeve expansion joint generally comprises inner tube and outer
Pipe, inner tube is inserted in outer tube, and airtight and watertight padding is provided between inner tube and outer tube, and the end of inner and outer tubes is connected on heat distribution pipeline,
When hot water pipeline occurs line to be expanded, inner and outer tubes realize the compensation to line expansion by relatively moving.But conventional junction
The sleeve expansion joint of structure, inner tube can make filler generation abrasion cause sealing property to decline with the relative movement of outer tube；Other pipeline
When generation line expands, its direction of displacement is difficult to ensure that consistent with the relative movement direction of sleeve expansion joint inner and outer tubes so that
Airtight and watertight padding friction is amesiality, makes the abrasion of filler aggravate to shorten the service life of sleeve expansion joint.In for example
State patent CN105443912A discloses a kind of sleeve expansion joint includes inner tube, outer tube, cylinder, and the centre position of inner tube is welded with
Positioning disk, one end and the positioning disk in inner tube of cylinder are tightly connected, it is characterized in that the other end of cylinder is sealedly connected with sleeve pipe, outward
Through putting in cylinder from sleeve pipe, outer tube puts in and silicone rubber tube is sealedly connected between the end of cylinder and sleeve pipe pipe, silicon rubber
Gap is left between sebific duct and cylinder.The technical scheme is mainly flexible without being made to silicone rubber tube by there is silicone rubber tube
Into abrasion, it is ensured that the service life of sleeve compensator.But the weak point for existing is, although the structure can save flange
Disk and seal washer, but this sleeve needs inner tube, outer tube, cylinder to be arranged layer by layer, and movement is dumb, causes compensation effect to be received
To influence, additionally, put in the silicone rubber tube being tightly connected between the end of cylinder and sleeve pipe in outer tube, silicone rubber tube and cylinder it
Between leave space, can so cause sleeve expansion joint easy to leak, needing periodically to break filler after abrasion carries out maintenance leak stopping.
For another example Chinese patent CN204785273U discloses a kind of compensation rate sleeve compensator high, and it includes bellows sheet
Body, outer tube, inner sleeve, right backboard, right backboard flange, overcoat pipe flange, right adpting flange, inner sleeve pipe flange, left connection method
Orchid, back-up ring, O-ring seal, left backboard, left backboard flange, make the medium will not be with bellows sheet by using back-up ring, O-ring seal
Body is contacted, and protects ripple tube body.The technical scheme is obtained in that compensation rate on axle higher, but the technical scheme is disclosed
Sleeve compensator, complex structure, cost of manufacture is high, sleeve expansion joint easy to leak, needs periodically to break filler after abrasion and is tieed up
Shield leak stopping.
The content of the invention
To overcome complex structure present in prior art, cost of manufacture is high, and sleeve expansion joint easy to leak needs after abrasion
Periodically breaking filler carries out maintenance Lost circulation problems, the invention provides a kind of non-maintaining piping lane system-specific compensator.
The technical solution adopted by the present invention is：A kind of non-maintaining piping lane system-specific compensator, described compensator is at least
It is positioned on compensation mechanism mounting bracket along pipe lengths, the compensation mechanism mounting bracket is installed on the ground, the compensator
Two ends are connected with upstream body, downstream body respectively；Its innovative point is：The compensator includes interior moving casing, outer tube
And end pipe；The end of the interior moving casing is fixed on middle and lower part position in outer tube, and the end laminating of the end pipe is fixed on
On the inwall of outer tube top, three layers of sleeve structure are formed.
On this basis, the compensator also includes sealing structure, and the sealing structure is arranged on outer tube and interior activity
Between sleeve pipe connection.
On this basis, some sealing glands are provided with the outer tube, the interior moving casing is corresponding with outer tube
Place is provided with some sealed grooves；The sealing gland closely connection chimeric with sealed groove；The sealing structure is arranged on close
Sealing structure pressure is located at the sealing gland and sealed groove by the top that sealed cover is contacted with sealed groove, sealing gland
Between.
On this basis, the sealing structure is y-type seal ring or O-ring seal or both combination.
On this basis, the sealing structure is stepped in a ring, and including two-stage ladder, end first order ring ladder
The sealing gland is arranged in, second level ladder is arranged in the sealed groove；The height h1 of the second level ring ladder
Less than or equal to the height h of sealed groove.
On this basis, the sealing structure include two concentric circles, described two concentric circles be respectively inner seal ring and
Exterior seal ring, two concentric circles sealing ring bottoms are connected, and as a seal, the bottom of described two concentric circles sealing rings is connected
Place forms ring-shaped depression area.
On this basis, elastic packing fixing device is additionally provided with the sealing gland bottom side, the elasticity is close
Envelope fixing device is integrally formed with sealing gland bottom, and the elastic packing fixing device is an elastic ring cylinder, the elasticity
Circular cylinder is set in the week side of boss wall of sealing gland four, and is integrally formed with sealing gland side wall.
On this basis, the cylinder bottom of the elastic ring cylinder is provided with the circular platform type groove being recessed to inner side, with
Cooperation, the ring-shaped depression area is provided with that a circle circular platform type is raised, and the depth of the circular platform type groove cannot be greater than round platform
The raised depth of type；The circular platform type is raised to be expanded with heat and contract with cold or during any axial pressure compensation, recessed with the circular platform type
Groove offsets, and forms the second compensation seal under active force.
On this basis, the end that the interior moving casing stretches into outer sleeve portion is provided with anti-slip device, described anti-
Pulling off apparatus fix one week, form stabilization zone.
On this basis, the anti-slip device includes differential, flange and fixture；The differential is fixed on interior movable sleeve
Pipe surface, the flange is merged by fixture with differential and is fixedly connected, and flange is fixed on the surface of outer sleeve portion.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) non-maintaining piping lane system-specific compensator of the invention, with it is significant realize without thrust, compensation distance it is big,
The low feature of operation cost, meets city heat supply demand.
(2) non-maintaining piping lane system-specific compensator of the invention, sealing structure can effectively ensure that product is reliable
Sealing, safeguards without regular filler, reduces cost of labor, and Sealing period is long, and does not need extra maintenance measure, and a labor is forever
Ease.
(3) non-maintaining piping lane system-specific compensator of the invention, the 3rd class sealing structure, than y-type seal ring or O-shaped sky
Heart cylinder has a greater degree of improvement, and first, sealing structure volume greatly reduces, and the thing followed, manufacturing cost is obvious
Reduce, secondly, seal more flexible, for example, being designed using step structure, the length of sealing gland has greater flexibility,
It can be sealed groove height and the summation of first annular ladder height that sealing gland is maximum, i.e. the second level rank of sealing structure
Ladder is embedded in sealed groove top.Therefore various compensation pipes are gone for, applicability is wider.
(4) non-maintaining piping lane system-specific compensator of the invention, elastic packing fixing device is in work with sealing gland
Dynamic connection, can freely be adjusted according to the depressed area of sealing structure height or actual demand, play reinforcement sealing structure and consolidate
Fixed effect and the carrying out of seal process is not influenceed, indirectly, it is ensured that the sealing property of interior moving casing and outer tube in compensation pipe.
Brief description of the drawings
Fig. 1 is non-maintaining piping lane system-specific compensator overall structure diagram；
Fig. 2 is non-maintaining piping lane system-specific compensator outer sleeve structure schematic diagram；
Fig. 3 is adjustable pipe structural representation in non-maintaining piping lane system-specific compensator；
Fig. 4 is y-type seal ring structural representation in non-maintaining piping lane system-specific compensator；
Fig. 5 is O-ring seal structural representation in non-maintaining piping lane system-specific compensator；
Fig. 6 is the sealed structural representation in the third implementation method in non-maintaining piping lane system-specific compensator；
Fig. 7 is the sealed structural representation in the 4th kind of implementation method in non-maintaining piping lane system-specific compensator；
Fig. 8 is non-maintaining piping lane system-specific compensator elastic packing fixture structure schematic diagram；
Fig. 9 is the cylinder polycrystalline substance schematic diagram of elastic circular cylinder in non-maintaining piping lane system-specific compensator；
Figure 10 is the sealing structure bottom schematic view in the 4th kind of implementation method in non-maintaining piping lane system-specific compensator.
Specific embodiment
Below in conjunction with drawings and Examples, the present invention will be described in further detail.It should be appreciated that described herein
Specific embodiment is only used to explain the present invention, is not intended to limit the present invention.
The present invention discloses a kind of non-maintaining piping lane system-specific compensator, in this implementation method of the invention, piping lane
System is made up of some rack-mount pipelines, and the every pipeline installed on support is arranged at intervals with compensator, this
The compensation rate of invention compensator is big, it is not necessary to just set one group every 40-60m.Described compensator is at least along duct length side
To being positioned on compensation mechanism mounting bracket, the compensation mechanism mounting bracket is installed on the ground, the compensator two ends respectively with it is upper
Play pipe body, the connection of downstream body；Its in this implementation method of the invention, as shown in Figure 1：The compensator includes interior movable sleeve
Pipe 1, outer tube 2 and end pipe 3；The end of the interior moving casing 1 is fixed on middle and lower part position in outer tube 2, the end pipe 3
End laminating is fixed on the top inwall of outer tube 2, forms three layers of sleeve structure.In the present invention, three layers of sleeve pipe of compensator
Structure, structure is novel, is not only different from structure of traditional sleeve pipe using inner tube, outer tube and cylinder, reduces consumable quantity, saves system
This is caused, and compensation ability is big, and mobile flexible, Pipelines with Single Direction Compensation amount may range from 100-400mm, and bidirectional compensating amount can be
400-1200mm.At the same time, using the piping lane system of compensator of the present invention, realized without thrust, compensation distance with significant
Greatly, the low feature of operation cost, meets city heat supply demand.
Used as currently preferred, in this implementation method of the invention, the compensator also includes sealing structure, described
Sealing structure is arranged between outer tube 2 and the connection of interior moving casing 1.This sealing structure can effectively ensure that product is reliable
Sealing, safeguards without regular filler, reduces cost of labor.Specifically, in the present invention, sealing structure can select to be sealed for Y
Circle or O-ring seal or both are used in combination.
In three layers of sleeve structure of compensator, outer tube 2 is particularly important with being fixedly connected for interior moving casing 1, decides
The flexibility of compensator, compensation ability and seal degree.Therefore, in order to improve the above-mentioned performance of compensator, of the invention
In this implementation method, as shown in Figure 2：Some sealing glands 21 are provided with the outer tube 2, as shown in Figure 3：The interior activity
Sleeve pipe 1 is provided with some sealed grooves 11 with the corresponding position of outer tube 2；The sealing gland 21 is chimeric with sealed groove 11 closely to be connected
Connect；That is, above-mentioned sealing structure is arranged on the top that sealing gland 21 is contacted with sealed groove 11, sealing gland 21 is by institute
Sealing structure pressure is stated to be located between the sealing gland 21 and sealed groove 11.In the present invention, it is provided with sealing on outer tube 2
Gland 21, as it is further preferred that sealing gland 21 is elastic component, the setting of sealing gland 21, close with sealed groove 11
Feng Shi, can carry out interior moving casing and overcoat with the sealed groove 11 in interior moving casing 1 of abandoning tradition by injection filler
The behavior of the sealing of pipe 2, Sealing period is long, and does not need extra maintenance measure, once and for all.
For above-mentioned outer tube 2 and the connected mode of interior moving casing 1, in this implementation method of the invention, knot is sealed
Structure can respectively make following improvement：
As shown in Figure 4：The top of the y-type seal ring 61 is set to U-shaped, and the bottom of U-shape structure and surrounding are just wrapped up
Sealing gland 21 is overall, and the bottom of the y-type seal ring is in cylindrical shape, and the cylindrical shape is just by the depression of sealed groove 11
Place's cladding, the effect of tight seal is reached with this.As further preferred, as shown in Figure 5：The selection of above-mentioned O-ring seal 71 is O
Type hollow cylinder, the O-shaped hollow cylinder diameter is less than or equal to the length of sealed groove 11, and the height of hollow cylinder is more than
Equal to the height of sealed groove 11.Now, sealing gland 21 cuts across O-shaped hollow cylinder, and then, O-shaped hollow cylinder is embedding
Enter in sealed groove 11, form seal, ensure that medium fluid is not revealed.In order to further reduce y-type seal ring
Or the manufacturing cost of O-ring seal, as it is further preferred that as shown in Figure 6：It is described in this implementation method of the invention
Sealing structure can also be stepped in a ring, and including two-stage ladder, and end first order ring ladder 41 is arranged in the sealing
Gland 21, second level ladder 42 is arranged in the sealed groove 11；The height h1 of the second level ring ladder 42 less than etc.
In the height h of sealed groove 11, but certain height is necessarily present, with the action for realizing being fastened in sealed groove 11.On
The sealing structure of the third type is stated, there is a greater degree of improvement, first, sealing than y-type seal ring or O-shaped hollow cylinder
Structural volume greatly reduces, and the thing followed, manufacturing cost is substantially reduced, and secondly, seals more flexible, for example, using stepped
Structure design, the length of sealing gland 21 has greater flexibility, and the maximum of sealing gland 21 can be the height of sealed groove 11
With the summation of the height of first annular ladder 41, i.e. the second level ladder 42 of sealing structure is embedded in the top of sealed groove 11.Therefore
Go for various compensation pipes, applicability is wider.
As it is further preferred that in this implementation method of the invention, above-mentioned sealing structure can also be in concentric circles knot
The sealing ring of structure, for example, as shown in Figure 7：The sealing structure of the 4th type includes two concentric circles in the present invention, described two
Concentric circles (respectively inner seal ring 51 and exterior seal ring 52) sealing ring bottom is connected, described two concentric as a seal
The bottom connecting place of circle sealing ring forms ring-shaped depression area 53.Above-mentioned inner seal ring 51 is set on sealing gland 21, above-mentioned outer
Sealing ring 52 is sheathed in sealed groove 11, and sealing structure is simple, good seal performance, reduces processing cost.As further excellent
Choosing, the height of exterior seal ring increases more than the height of inner seal ring, the height for being allowed to ring-shaped depression area 53, further for follow-up
The fixation of fixing device lays the foundation.Matched, in order to preferably be improved in the 4th class sealing structure, strengthen close
The fixation of seal structure, in this implementation method of the invention, the sealing gland 21 is additionally provided with elastic packing on side
Fixing device, the elastic packing fixing device is integrally formed with sealing gland 21, as shown in Figure 8：The elastic packing fixes dress
Being set to one has certain thickness elastic ring cylinder 54, and the elastic ring cylinder 54 is set in the week side of boss of sealing gland 21 4
Wall, and be integrally formed with sealing gland 21.The thickness and the 4th class sealing structure of the circular cylinder of above-mentioned elastic ring cylinder 54
The cup depth of ring-shaped depression area 53 it is identical, sealing structure fixation is realized in the chimeric closely connection of both close fits.When
So, as it is further preferred that above-mentioned elastic packing fixing device and sealing gland 21 are movably connected, can be according to close
The height of ring-shaped depression area 53 of seal structure or actual demand are freely adjusted, and play a part of reinforcement sealing structure fixation and not shadow
The carrying out of seal process is rung, indirectly, it is ensured that the sealing property of interior moving casing 1 and outer tube 2 in compensation pipe.That is,
Sealing gland 21 is fitting to connection with inner seal ring 51, at the same time, in the embedding sealing groove 11 of exterior seal ring 52, realizes sealing pressure
The sealing of lid 21 and sealed groove 11, when sealing structure position is fixed, the position of regulation elasticity sealed fixing device so that bullet
Property circular cylinder circular cylinder 54 and the 4th class sealing structure ring-shaped depression area 53 closely it is chimeric closely connect.
As it is further preferred that in order to further improve fixed effect so that fixation it is even closer, it is of the invention this
In implementation method, as shown in Figure 9：The cylinder bottom of the elastic ring cylinder 54 is provided with recessed to the circular platform type of inner side depression
Groove, it is matched, as shown in Figure 10：The bottom of ring-shaped depression area 53 of the 4th class sealing structure is provided with several round platforms
Type is raised, and the raised radian of the circular platform type is smaller, but scope is larger, for example, the depressed area bottom of the 4th class sealing structure
It is raised that 4 circular platform types are set.Additionally, the depth of the circular platform type groove cannot be greater than the raised depth of circular platform type.It is above-mentioned
The depth of circular platform type groove cannot be greater than the setting of the raised depth of circular platform type, be conducive to the circular platform type projection by heat expansion
When shrinkage or any axial pressure compensation, offseted with the circular platform type groove, form the second compensation seal under active force, and
And pressure is bigger, closely, fixed effect is good for the connection raised with circular platform type of circular platform type groove, compensates great efforts.
In the case where compensator sealer sealing property is guaranteed, its compensator is easy when compensation is axially expanded with heat and contract with cold
Appearance pulls phenomenon, causes leakage, while compensator has maintenance not easy to remove.As it is further preferred that the interior activity
The end that sleeve pipe stretches into outer sleeve portion is provided with anti-slip device, and the anti-slip device fixes one week, forms stabilization zone, protects
Secure connection between moving casing and outer tube, prevents the occurrence of pulling in card.Specifically, as shown in Figure 1：The anti-drawing
De- device includes differential, flange and fixture；The differential is fixed on interior moving casing surface, and the flange is with differential by solid
Determine part merging to be fixedly connected, and flange is fixed on the surface of outer sleeve portion.Plural through hole is uniformly provided with the differential end face
A, with respect to the through hole B that the end face of flange of differential end face is provided with equal number；(can by fixture between the differential and flange
To select to be screw bolt and nut) cross through hole A and be fixedly connected with through hole B.
Described above has shown and described the preferred embodiments of the present invention, as previously described, it should be understood that not office of the invention
Be limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and can be used for various other combinations, modification and
Environment, and can be changed by the technology or knowledge of above-mentioned teaching or association area in invention contemplated scope described herein
It is dynamic.And the change and change that those skilled in the art are carried out do not depart from the spirit and scope of the present invention, then all should be appended by the present invention
In scope of the claims.
Claims (10)
1. a kind of non-maintaining piping lane system-specific compensator, described compensator is at least positioned at compensation machine along pipe lengths
On structure mounting bracket, the compensation mechanism mounting bracket install on the ground, the compensator two ends respectively with upstream body, downstream body
Connection；It is characterized in that：The compensator includes interior moving casing (1), outer tube (2) and end pipe (3)；The interior moving casing
(1) end is fixed on the interior middle and lower part position of outer tube (2), and the end laminating of the end pipe (3) is fixed on outer tube (2) top
On inwall, three layers of sleeve structure are formed.
2. non-maintaining piping lane system-specific compensator according to claim 1, it is characterised in that：The compensator also includes
Sealing structure, the sealing structure is arranged between outer tube (2) and interior moving casing (1) connection.
3. non-maintaining piping lane system-specific compensator according to claim 2, it is characterised in that：On the outer tube (2)
Some sealing glands (21) are provided with, the interior moving casing (1) is provided with some sealed grooves with outer tube (2) corresponding position
(11)；The sealing gland (21) closely connection chimeric with sealed groove (11)；The sealing structure is arranged on sealing gland
(21) sealing structure pressure is located at the sealing gland (21) by the top contacted with sealed groove (11), sealing gland (21)
Between sealed groove (11).
4. non-maintaining piping lane system-specific compensator according to claim 2, it is characterised in that：The sealing structure is Y
Type sealing ring (61) or O-ring seal (71) or both are combined.
5. non-maintaining piping lane system-specific compensator according to claim 2, it is characterised in that：The sealing structure is in ring
Shape is stepped, and including two-stage ladder, end first order ring ladder (41) is arranged in the sealing gland (21), second level rank
Terraced (42) are arranged in the sealed groove (11)；The height h1 of the second level ring ladder (42) is less than or equal to sealed groove
(11) height h.
6. non-maintaining piping lane system-specific compensator according to claim 2, it is characterised in that：The sealing structure includes
Two concentric circles, described two concentric circles are respectively inner seal ring (51) and exterior seal ring (52), two concentric circles sealing ring bottoms
Portion is connected, and as a seal, the bottom connecting place of described two concentric circles sealing rings forms ring-shaped depression area (53).
7. the non-maintaining piping lane system-specific compensator according to claim 5 or 6, it is characterised in that：The sealing gland
(21) be additionally provided with elastic packing fixing device on side, the elastic packing fixing device and sealing gland (21) integrally into
Type, the elastic packing fixing device is an elastic ring cylinder (54), and the elastic ring cylinder (54) is set in sealing gland
On (21) four the week side of boss walls, and it is integrally formed with sealing gland (21) side wall.
8. non-maintaining piping lane system-specific compensator according to claim 7, it is characterised in that：The elastic ring cylinder
(54) the closely connection chimeric with ring-shaped depression area (53) cooperation of sealing structure of circular cylinder, realizes sealing fixation.
9. non-maintaining piping lane system-specific compensator according to claim 7, it is characterised in that：The elastic ring cylinder
(54) cylinder bottom is provided with the circular platform type groove being recessed to inner side, matched, and the ring-shaped depression area (53) is set
There is a circle circular platform type raised, the depth of the circular platform type groove cannot be greater than the raised depth of circular platform type；The circular platform type is raised
Expanded with heat and contract with cold or during any axial pressure compensation, offseted with the circular platform type groove, formed the secondary benefit under active force
Repay seal.
10. non-maintaining piping lane system-specific compensator according to claim 1, it is characterised in that：The interior moving casing
(1) end for stretching into outer tube (2) part is provided with anti-slip device, and the anti-slip device fixes one week, forms stabilization zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710088630.2A CN106838524B (en) | 2017-02-20 | 2017-02-20 | A kind of non-maintaining piping lane system-specific compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710088630.2A CN106838524B (en) | 2017-02-20 | 2017-02-20 | A kind of non-maintaining piping lane system-specific compensator |
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| Publication Number | Publication Date |
|---|---|
| CN106838524A true CN106838524A (en) | 2017-06-13 |
| CN106838524B CN106838524B (en) | 2019-07-26 |
Family
ID=59128691
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710088630.2A Active CN106838524B (en) | 2017-02-20 | 2017-02-20 | A kind of non-maintaining piping lane system-specific compensator |
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|---|---|---|---|---|
| JP2005282820A (en) * | 2004-03-30 | 2005-10-13 | Tokai Rubber Ind Ltd | Low permeability elastic sealing ring |
| CN203078442U (en) * | 2013-01-25 | 2013-07-24 | 北京汽车股份有限公司 | Sealing structure of automobile front wall through hole and automobile |
| CN203585685U (en) * | 2013-10-24 | 2014-05-07 | 铜陵市经纬流体科技有限公司 | Clamping type expansion joint |
| CN204061096U (en) * | 2014-08-18 | 2014-12-31 | 诸暨洁球环保科技有限公司 | A kind of air pump piston special-shaped seal ring |
| CN104633111A (en) * | 2014-12-04 | 2015-05-20 | 中航光电科技股份有限公司 | Dual-protection rubber sealing ring and electric coupler applying same |
| CN204785273U (en) * | 2015-06-25 | 2015-11-18 | 江苏长风波纹管有限公司 | High compensation volume sleeve pipe compensator |
| CN105443912A (en) * | 2015-03-13 | 2016-03-30 | 高玉琴 | Sleeve compensator |
| CN206478367U (en) * | 2017-02-20 | 2017-09-08 | 江苏丰禾机械制造股份有限公司 | A kind of non-maintaining piping lane system-specific compensator |
-
2017
- 2017-02-20 CN CN201710088630.2A patent/CN106838524B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005282820A (en) * | 2004-03-30 | 2005-10-13 | Tokai Rubber Ind Ltd | Low permeability elastic sealing ring |
| CN203078442U (en) * | 2013-01-25 | 2013-07-24 | 北京汽车股份有限公司 | Sealing structure of automobile front wall through hole and automobile |
| CN203585685U (en) * | 2013-10-24 | 2014-05-07 | 铜陵市经纬流体科技有限公司 | Clamping type expansion joint |
| CN204061096U (en) * | 2014-08-18 | 2014-12-31 | 诸暨洁球环保科技有限公司 | A kind of air pump piston special-shaped seal ring |
| CN104633111A (en) * | 2014-12-04 | 2015-05-20 | 中航光电科技股份有限公司 | Dual-protection rubber sealing ring and electric coupler applying same |
| CN105443912A (en) * | 2015-03-13 | 2016-03-30 | 高玉琴 | Sleeve compensator |
| CN204785273U (en) * | 2015-06-25 | 2015-11-18 | 江苏长风波纹管有限公司 | High compensation volume sleeve pipe compensator |
| CN206478367U (en) * | 2017-02-20 | 2017-09-08 | 江苏丰禾机械制造股份有限公司 | A kind of non-maintaining piping lane system-specific compensator |
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| Publication number | Publication date |
|---|---|
| CN106838524B (en) | 2019-07-26 |
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