CN208734962U - A kind of flexible sealing guide coupling - Google Patents
A kind of flexible sealing guide coupling Download PDFInfo
- Publication number
- CN208734962U CN208734962U CN201821364149.8U CN201821364149U CN208734962U CN 208734962 U CN208734962 U CN 208734962U CN 201821364149 U CN201821364149 U CN 201821364149U CN 208734962 U CN208734962 U CN 208734962U
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- China
- Prior art keywords
- sleeve
- flexible sealing
- clip
- pipe
- wall
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of flexible sealing guide couplings, belong to conduit and are tightly connected field, including two flexible sealing conduits, sleeve and clip；Described two flexible sealing conduits are placed in sleeve both ends, and sleeve is wrapped with clip, and there are flange in the clip two sides；It described two flexible sealing conduits axle center can be movable within a certain angle with sleeve axle center；The sleeve outer wall two sides are set there are two backup seal, and backup seal compression-expansion in the case where clip package squeezes makes locked clip device and automatic centering；There are step groove, step groove deformation in sleeve lining over-voltage in the middle part of the sleeve outer wall；There are the peep hole of at least one, the deformed state of observable step groove on the clip.Due to the structure, convenient for observation circuit failure, sealing ring, locking firm the features such as having both damping, looking for the heart automatically are replaced in time.
Description
Technical field
The utility model belongs to conduit and is tightly connected field, relates in particular to a kind of flexible sealing guide coupling.
Background technique
First generation piping connection is connected using bulky ring flange, and ring flange is linked together with bolt, this kind
Type of attachment part is more heavy, and installation is inconvenient；Second generation piping connection is used using surface cover sebific duct outside two conduits
The type of attachment that two clips are attached, clip form (such as HB3-9, HB3- by band, bolt, nut, casing, washer
30, the detachable clip of HB3-31), this kind of clip part is still more heavy, installation is inconvenient；Third generation piping connection is adopted
It is conduit Quick Release Hoop, this kind of clip is by band, bolt, nut, casing, washer, retainer ring, rigid flanges, sealing ring etc.
Part composition (such as HB6521 conduit connects Quick Release Hoop), clip part is still heavy, and installs also inconvenience；4th
For the aluminum alloy conduit flexible connection forms that piping connection is formed using clip, sealing ring, pipe sleeve, sleeve, conduit passes through
Pipe sleeve covers in sleeve, forms piping connection sealing by the sealing ring on pipe sleeve, clip housing prevents pipe sleeve on sleeve
It falls off out of sleeve.This clip lighter in weight, it is easy for installation, with certain axial displacement compensation and angle compensation.
But due to pipe sleeve be in sleeve can movable and fluid temperature it is excessively high, all by aggravate sealing ring abrasion and
Leakproofness is influenced, security risk will be present if cannot replace in time.And existing sleeve can not play asking for observation loine pressure
Topic, and the presence of clip, make pipeline over-voltage be not easy to observe in time.If clip cannot lock there is also the failure that falls off can
Can, all there is a certain security risk for this.
Utility model content
The purpose of this utility model is to provide a kind of flexible sealing guide coupling in view of the above shortcomings, is made flexible close
Envelope conduit, which can be moved axially, to be rotated and not to fall off, dust-proof durable, good airproof performance with certain angle, has backup seal, good
Good heat dissipation passes by pressure convenient for sighting tube, it is dual lock, damping the features such as.To achieve the above object, the utility model provides such as
Lower technical solution:
A kind of flexible sealing guide coupling, including two flexible sealing conduits 1, sleeve 2 and clip 3；It is described two soft
Property sealing duct 1 is placed in 2 both ends of sleeve, is axially movable, and form sealing；The sleeve 2 is wrapped with clip 3, the card
Binding round 3 two sides has flange 312 for preventing flexible sealing conduit 1 from falling off out of sleeve 2；Described two 1 axis of flexible sealing conduit
The heart can be movable within a certain angle with 2 axle center of sleeve；The 2 outer wall two sides of sleeve are respectively provided with two backup seals 24 and storage
The storage groove 23 of backup seal 24, the backup seal 24 compression-expansion in the case where the package of clip 3 squeezes, locks clip 3
And automatic centering；There are step groove 25, the step groove 25 deformation in 2 inner wall over-voltage of sleeve in the middle part of 2 outer wall of sleeve；It is described
There are the peep hole 311 of at least one, the deformed state of observable step groove 25 on clip 3.
In order to further perfect, the clip 3 includes two semi-circular retainer rings 31,32, four rivets of hinge plate and at least
Three locking devices 33；The peep hole 311 and flange 312 are respectively arranged on semi-circular 31 face of retainer ring and two sides；Described half
Round 31 one end of retainer ring is hinged by rivet and 32 one end of hinge plate, and the other end is hinged by rivet and locking device 33；It is described
Locking device 33 is made of torsional spring 331 and hasp 332, and the torsion that the torsional spring 331 generates rotates hasp 332 simultaneously around rivet
It snaps on another rivet；There is back-shaped slot 333 on the hasp 332, which makes the complete snapping of hasp 332 and unbutton
It is required to two semi-circular retainer rings, 31 1 extruding forces；33 interlaced arrangement of locking device.
In order to further perfect, there is hasp slot on the hasp 332, have card collar groove 314, institute on the semi-circular retainer ring 31
It states 331 one end of torsional spring and is caught in hasp slot, the other end is caught in card collar groove 314, generates hasp 332 and rotates and snap onto another around rivet
Torsion on rivet.
In order to further perfect, the locking device 33 is three.
In order to further perfect, the flexible sealing conduit 1 includes pipe 11, pipe sleeve 12 and sealing ring 13；The pipe sleeve
12 housings are in 11 one end of pipe, and 12 inner wall of pipe sleeve has the seam allowance 121 limited for pipe 11, and outer wall is surrounded with for putting
The seal groove 14 of sealing ring 13 is set, has gap between 2 inner wall of 14 highest point of seal groove and sleeve；The seal groove
14 protrude from 12 outer wall of pipe sleeve, form a step 122 for limit；The step 122 cooperates flange 312, can prevent soft
Property sealing duct 1 falls off out of sleeve 2.
In order to further perfect, the connection type of the pipe 11 and pipe sleeve 12 is welding or rolling or withholds.
In order to further perfect, there is gap between 12 outer wall of the flange 312 and pipe sleeve.
In order to further perfect, the sealing ring 13 and backup seal 24 are in compressive state always at work.
In order to further perfect, the sealing ring 13 is made of O-ring 131 and 132 two parts of L shape circle, L shape circle 132
Push O-ring 131；Circumferentially contact has lip shape dustband 15 to 12 outer wall of pipe sleeve, which is fixed on flange 312,
And it is not moved with the movement of pipe 11；15 lip of dustband is pressed in outwardly and circumferentially on pipe sleeve 12；The sealing ring 13,
Backup seal 24 and dustband 15 are in compressive state when working always.
In order to further perfect, the step groove 25 is equipped with fin 22, and the fin 22 surround and is vertically fixed on set
On 2 outer walls of cylinder, parallel to each other between fin 22 and interval is uniform and is symmetrically disposed between two storage grooves 23；The fin
22 thickness are less than the thickness of 23 liang of walls of storage groove, and distance is less than 3mm between fin 22, highly concordant with 23 highest point of storage groove.
The beneficial effects of the utility model are:
1. the sleeve outer wall two sides are respectively provided with two backup seals, backup seal is when sealing ring leaks
Replacement in time；By backup seal rebound that the support of semi-circular retainer ring is swollen simultaneously, backup seal compression sizes are consistent, screen resilience
It is equal, it allows clip to look for the heart automatically, so that clip ability in terms of stress improves, and has certain damping efficacy；Backup seal
Circle rebound is swollen by the support of semi-circular retainer ring, makes hasp stuck, forms once locked power, and one end of torsional spring is caught in hasp slot, other end card
Enter card collar groove, generates hasp and rotate and snap onto the torsion on another rivet around rivet, prevent semi-circular retainer ring from falling off, formation the
Secondary locked power.Form dual fail-safe form.
2. sleeve outer wall two sides are respectively provided with the storage groove of two storage backup seals, there is step groove in the middle part of sleeve outer wall,
Pipeline increases channel interior pressure if there is failure (such as blocking), and relatively thin among sleeve, both ends are thicker, are deformed
Region necessarily occurs on sleeve；There is the peep hole of at least one on the clip, the deformed state of observable step groove can
Discovery circuit failure in time.
3. at least three locking device, the locking device interlaced arrangement.Hasp intersection is arranged, and is conducive to prevent
Only one end catastrophic failure causes the region hasp all to fall off, if arranged crosswise, even if one end goes wrong, the other end is taken
Button can also lock clip.
Detailed description of the invention
Fig. 1 is the connector diagrammatic cross-section of the utility model；
Fig. 2 is the clip side schematic view of the utility model；
Fig. 3 is the clip front schematic view of the utility model；
Fig. 4 is the clip hasp partial schematic diagram of the utility model；
Fig. 5 is second of connector diagrammatic cross-section of the utility model；
In attached drawing: 1- flexible sealing conduit, 2- sleeve, 3- clip, 11- pipe, 12- pipe sleeve, 121- seam allowance, 122- platform
Rank, 13- sealing ring, 131-O shape circle, 132-L shape circle, 14- seal groove, 15- dustband, 22- fin, 23- storage groove, 24-
Backup seal, 25- step groove, the semi-circular retainer ring of 31-, 311- peep hole, 312- flange, 314- card collar groove, 32- hinge plate,
33- locking device, 331- torsional spring, 332- hasp, the back-shaped slot of 333-.
Specific embodiment
With reference to the accompanying drawing with specific embodiment, the utility model is further described, but the utility model
It is not limited to following embodiment.
Embodiment one
See attached drawing 1-4.A kind of flexible sealing guide coupling, including two flexible sealing conduits 1, sleeve 2 and clip 3；
Described two flexible sealing conduits 1 are placed in 2 both ends of sleeve, are axially movable, and form sealing；The sleeve 2 is wrapped with card
Hoop 3, there are the flange 312 for preventing flexible sealing conduit 1 from falling off out of sleeve 2 in 3 two sides of clip；
The flexible sealing conduit 1 includes pipe 11, pipe sleeve 12 and sealing ring 13；Pipe 11 is used for transmission liquid, pipe sleeve
12 for protruding into sleeve 2, and sealing ring 13 is used to form pipeline sealed connection.12 housing of pipe sleeve is in 11 one end of pipe, institute
The connection type for stating pipe 11 and pipe sleeve 12 can be welding or rolling or withhold.Pipe 11 and pipe sleeve 12 can also be whole for one
Body.12 inner wall of pipe sleeve has the seam allowance 121 limited for pipe 11, and when pipe 11 is inserted into pipe sleeve 12, seam allowance 121 can be effective
It is positioned and is limited, prevent the shaking in assembly of pipe 11.
12 outer wall of pipe sleeve is surrounded with the seal groove 14 for placing sealing ring 13, and the seal groove 14 protrudes from
12 outer wall of pipe sleeve forms a step 122 for limit；The step 122 cooperates flange 312, can prevent flexible sealing from leading
Pipe 1 falls off out of sleeve 2, and two flexible sealing conduits 1 of limitation can only move axially between the flange 312 of 3 two sides of clip.
There is gap between 2 inner wall of 14 highest point of seal groove and sleeve, between also having between 12 outer wall of the flange 312 and pipe sleeve
Gap convenient for the angle compensation of flexible sealing conduit 1, while also guaranteeing that clip 3 is extruded on sleeve 2.Therefore, described two
It 1 axle center of flexible sealing conduit can be movable within a certain angle with 2 axle center of sleeve.
2 outer wall two sides of sleeve are respectively provided with two backup seals 24 and store the storage groove 23 of backup seal 24.It is described
The compression-expansion in the case where the package of clip 3 squeezes of backup seal 24, makes the locking of clip 3 and automatic centering；2 outer wall two sides of sleeve are respectively set
There are two the storage groove 23 of storage backup seal, there is step groove 25 in the middle part of sleeve 2 outer wall, pipeline if there is failure (such as
Blocking) channel interior pressure is increased, relatively thin among sleeve 2, both ends are thicker, are deformed region and necessarily occur in sleeve 2
On；There is the peep hole 311 of at least one on the clip 3, the deformed state of observable step groove 25 can find pipeline in time
Failure.Peep hole 311 has both convenient for heat sinking function and mitigates the weight of clip 3.
The clip 3 include two semi-circular retainer rings 31,32, four rivets of hinge plate and at least three locking device
33；On semi-circular 31 face of retainer ring and two sides are respectively equipped with peep hole 311 and flange 312；Described 31 one end of semi-circular retainer ring passes through
Rivet and 32 one end of hinge plate are hinged, and the other end is hinged by rivet and locking device 33；The locking device 33 is by torsional spring 331
It is formed with hasp 332, hasp 332 is rotated around rivet and snapped on another rivet by the torsion that the torsional spring 331 generates.Institute
Stating has hasp slot on hasp 332, there is card collar groove 314 on the semi-circular retainer ring 31, and described 331 one end of torsional spring is caught in hasp slot,
The other end is caught in card collar groove 314, generates hasp 332 and rotates around rivet and snap onto the torsion on another rivet.
Backup seal 24 can replace in time when sealing ring 13 leaks；It simultaneously will by the rebound of backup seal 24
Semi-circular retainer ring 31 supports swollen, and 24 compression sizes of backup seal are consistent, and screen resilience is equal, allow clip 3 to look for the heart automatically, so that clip
The 3 ability raisings in terms of stress, and have certain damping efficacy；Backup seal 24 rebound semi-circular retainer ring 31 is supportted it is swollen,
It makes hasp 332 stuck, forms once locked power, 331 one end of torsional spring is caught in hasp slot, and the other end is caught in card collar groove 314, and generation is taken
Button 332 rotates around rivet and snaps onto the torsion on another rivet, prevents semi-circular retainer ring 31 from falling off, and forms second and locks
Power.Form dual fail-safe form.
There is back-shaped slot 333 on the hasp 332, which makes the complete snapping of hasp 332 and unbutton to be required to two
31 1 extruding forces of a semi-circular retainer ring；So that snapping and unbutton completely and be required to first compress lower two semi-circular retainer rings 31, half
The backup seal 24 that round retainer ring 31 squeezes supports swollen, and rivet snaps onto back-shaped 333 the inside of slot, prevents abnormal external force from keeping retainer ring de-
Button；33 interlaced arrangement of locking device.The intersection of hasp 332 is arranged, and is beneficial to prevent one end catastrophic failure, is caused the area
Domain hasp 332 all falls off, if arranged crosswise, even if one end goes wrong, other end hasp 332 can also lock clip 3.
The locking device 33 can be three.The sealing ring 13 and backup seal 24 are in compressive state always at work.
Embodiment two
See attached drawing 5.The sealing ring 13 is made of O-ring 131 and 132 two parts of L shape circle, and L shape circle 132 pushes O shape
Circle 131；131 material of O-ring is ethylene propylene diene rubber or fluorubber or fluorine silicone rubber or perfluoroelastomer or nitrile rubber, bullet
Property it is good, main function be adapt to seal clearance vibration；132 material of L shape circle is polytetrafluoroethylene (PTFE), and coefficient of friction is small,
Intensity is big, extremely wear-resisting, and main function is contacted as wear ring with 2 inner wall of sleeve.
Circumferentially contact has lip shape dustband 15 for 12 outer wall of pipe sleeve, which is fixed on flange 312, and not with
The movement of pipe 11 and move；15 lip of dustband is pressed in outwardly and circumferentially on pipe sleeve 12；Dustband 15 and outer air
Side connection is played a dual role of preventing extraneous dust from entering in sleeve 2 and scraping off 12 surface impurity of pipe sleeve.The sealing ring
13, it is in compressive state always when backup seal 24 and dustband 15 work.It ensure that even a kind of flexible sealing conduit 1
In angle compensation, dustband 15 can still play dust-proof effect.11 material of pipe is aluminium alloy or stainless steel or titanium alloy,
12 material of pipe sleeve is aluminium alloy (surface anodization) or stainless steel (surface passivation) or titanium alloy.14 two sidewalls of seal groove
Thickness is greater than 1mm.
The step groove 25 is equipped with fin 22, and the fin 22 surround and is vertically fixed on 2 outer wall of sleeve, fin 22
Between it is parallel to each other and interval uniformly and be symmetrically disposed between two storage grooves 23；22 thickness of fin is less than storage groove
The thickness of 23 liang of walls, distance is less than 3mm between fin 22, highly concordant with 23 highest point of storage groove.Since storage groove is in sleeve
Both ends, when pipeline over-voltage, will swell, fin becomes not parallel, was exaggerated so sleeve both ends are thicker than centre in the middle part of sleeve
The state of pressure passes by pressure convenient for observation tube.Fin 22 plays good heat spreading function, avoids line temperature excessively high, influences to seal
The leakproofness of circle.The height dimension of fin is bigger on heat dissipation effect influence than thickness, and fin 22 is made to reach maximum height, high
Degree is concordant with 23 highest point of storage groove, avoids the extruding by clip 3.Distance cannot be excessive between fin 22, will affect whether
Parallel observation effect.
The storage groove 23 is less than the height of the wall far from 2 one end of sleeve close to its height of the wall of 2 one end of sleeve, convenient
Backup seal 24 is removed from sleeve 2, and storage groove 23 is arc at the top of the wall of 2 one end of sleeve, is drawn when avoiding removing
Hurt backup seal 24.The backup seal 24 can be made of O-ring and L shape circle two parts, and L shape circle pushes O-ring.
The O-ring material is ethylene propylene diene rubber or fluorubber or fluorine silicone rubber or perfluoroelastomer or nitrile rubber, and elasticity is good, main
Acting on is the vibration for adapting to seal clearance；The L shape loop material is polytetrafluoroethylene (PTFE), and coefficient of friction is small, and intensity is big, extremely resistance to
Mill；The backup seal 24 can also be individually for O-ring, because only interim spare.Storage groove 23 and sleeve 2 can be one
A entirety.Fin 22 is that a whole or discrete fixation is linked together with sleeve 2.2 material of sleeve is aluminium alloy (surface anode
Change) or stainless steel (surface passivation) or titanium alloy.
Several heat release holes are additionally provided on the semi-circular retainer ring 31.Have both convenient for heat sinking function and mitigate the weight of clip
Amount.31 material of semi-circular retainer ring is aluminium alloy (surface anodization) or stainless steel (surface passivation) or titanium alloy.The sight
Examining hole 311 and flange 312 has certain distance, it is ensured that can effectively push down sleeve 2.It is arranged symmetrically between the peep hole 311.It is described
311 shape of peep hole is round or rectangular or rectangle or diamond shape.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of flexible sealing guide coupling, which is characterized in that including two flexible sealing conduits (1), sleeve (2) and clip
(3)；Described two flexible sealing conduits (1) are placed in sleeve (2) both ends, are axially movable, and form sealing；The sleeve
(2) it is wrapped with clip (3), there are the method for preventing flexible sealing conduit (1) from falling off out of sleeve (2) in clip (3) two sides
Blue (312)；It described two flexible sealing conduit (1) axle center can be movable within a certain angle with sleeve (2) axle center；The sleeve
(2) outer wall two sides are respectively provided with two backup seals (24) and store the storage groove (23) of backup seal (24), described spare
Sealing ring (24) compression-expansion in the case where clip (3) package squeezes, makes clip (3) locking and automatic centering；Sleeve (2) outer wall
Middle part has step groove (25), the step groove (25) deformation in sleeve (2) inner wall over-voltage；Have at least one on the clip (3)
A peep hole (311), the deformed state of observable step groove (25).
2. a kind of flexible sealing guide coupling according to claim 1, which is characterized in that the clip (3) includes two
A semi-circular retainer ring (31), hinge plate (32), four rivets and at least three locking device (33)；The peep hole (311)
It is respectively arranged on semi-circular retainer ring (31) face with flange (312) and two sides；Described semi-circular retainer ring (31) one end by rivet and
Hinge plate (32) one end is hinged, and the other end is hinged by rivet and locking device (33)；The locking device (33) is by torsional spring
(331) hasp (332) is rotated around rivet and is snapped onto another with hasp (332) composition, the torsion of torsional spring (331) generation
On one rivet；There are back-shaped slot (333) on the hasp (332), which makes hasp (332) snapping completely and unbutton
It is required to (31) extruding forces of two semi-circular retainer rings；Locking device (33) interlaced arrangement.
3. a kind of flexible sealing guide coupling according to claim 2, which is characterized in that have on the hasp (332)
Hasp slot has card collar groove (314) on the semi-circular retainer ring (31), and described torsional spring (331) one end is caught in hasp slot, other end card
Enter card collar groove (314), generates hasp (332) and rotated around rivet and snap onto the torsion on another rivet.
4. a kind of flexible sealing guide coupling according to claim 2, which is characterized in that the locking device (33) is
Three.
5. a kind of flexible sealing guide coupling according to claim 1, which is characterized in that the flexible sealing conduit
It (1) include pipe (11), pipe sleeve (12) and sealing ring (13)；Pipe sleeve (12) housing is in pipe (11) one end, the pipe sleeve
(12) inner wall has the seam allowance (121) for pipe (11) limit, and outer wall is surrounded with the sealing ring for placing sealing ring (13)
Slot (14) has gap between seal groove (14) highest point and sleeve (2) inner wall；The seal groove (14) protrudes from pipe
(12) outer wall is covered, a step (122) for limit is formed；The step (122) cooperates flange (312), can prevent flexibility
Sealing duct (1) falls off out of sleeve (2).
6. a kind of flexible sealing guide coupling according to claim 5, which is characterized in that the pipe (11) and pipe sleeve
(12) connection type is welding or rolling or withholds.
7. a kind of flexible sealing guide coupling according to claim 5, which is characterized in that the flange (312) and pipe
There is gap between set (12) outer wall.
8. a kind of flexible sealing guide coupling according to claim 5, which is characterized in that the sealing ring (13) and standby
Compressive state is in always at work with sealing ring (24).
9. a kind of flexible sealing guide coupling according to claim 5, which is characterized in that the sealing ring (13) is by O
Shape circle (131) and L shape circle (132) two parts composition, L shape circle (132) push O-ring (131)；Pipe sleeve (12) the outer wall week
There are lip shape dustband (15) to contact, which is fixed on flange (312), and does not move with the movement of pipe (11)
It is dynamic；Dustband (15) lip is pressed in outwardly and circumferentially on pipe sleeve (12)；The sealing ring (13), backup seal (24) and
Dustband (15) is in compressive state when working always.
10. a kind of flexible sealing guide coupling described in one of -9 according to claim 1, which is characterized in that the step groove
(25) fin (22) are equipped with, the fin (22) surround and is vertically fixed on sleeve (2) outer wall, between fin (22) mutually
Parallel and interval is uniform and is symmetrically disposed between two storage grooves (23)；Fin (22) thickness is less than storage groove (23)
The thickness of two walls, distance is less than 3mm between fin (22), highly concordant with storage groove (23) highest point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821364149.8U CN208734962U (en) | 2018-08-23 | 2018-08-23 | A kind of flexible sealing guide coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821364149.8U CN208734962U (en) | 2018-08-23 | 2018-08-23 | A kind of flexible sealing guide coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208734962U true CN208734962U (en) | 2019-04-12 |
Family
ID=66030879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821364149.8U Expired - Fee Related CN208734962U (en) | 2018-08-23 | 2018-08-23 | A kind of flexible sealing guide coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208734962U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799585A (en) * | 2018-08-23 | 2018-11-13 | 成都震风航空技术有限公司 | A kind of flexible sealing guide coupling |
| CN112296030A (en) * | 2020-09-22 | 2021-02-02 | 潍坊嘉腾液压技术有限公司 | Fluid pipeline locking unit and fluid pipeline cleaning device comprising same |
-
2018
- 2018-08-23 CN CN201821364149.8U patent/CN208734962U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799585A (en) * | 2018-08-23 | 2018-11-13 | 成都震风航空技术有限公司 | A kind of flexible sealing guide coupling |
| CN108799585B (en) * | 2018-08-23 | 2023-11-24 | 成都震风航空技术有限公司 | Flexible sealing catheter connector |
| CN112296030A (en) * | 2020-09-22 | 2021-02-02 | 潍坊嘉腾液压技术有限公司 | Fluid pipeline locking unit and fluid pipeline cleaning device comprising same |
| CN112296030B (en) * | 2020-09-22 | 2022-07-01 | 潍坊嘉腾液压技术有限公司 | Fluid pipeline cleaning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 Termination date: 20210823 |
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| CF01 | Termination of patent right due to non-payment of annual fee |