CN106764180A - A kind of quick joint for metal pipes - Google Patents
A kind of quick joint for metal pipes Download PDFInfo
- Publication number
- CN106764180A CN106764180A CN201611268125.8A CN201611268125A CN106764180A CN 106764180 A CN106764180 A CN 106764180A CN 201611268125 A CN201611268125 A CN 201611268125A CN 106764180 A CN106764180 A CN 106764180A
- Authority
- CN
- China
- Prior art keywords
- grip
- metal pipes
- fixator
- ring
- quick joint
- 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.)
- Granted
Links
Classifications
-
- 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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/088—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a split elastic ring
-
- 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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
-
- 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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/091—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The present invention relates to a kind of quick joint for metal pipes, structure to stinging grip is improved, and it is the ring-shaped article with opening to sting grip, and the one end for stinging grip is provided with catching, the outer wall of the other end is provided with ring-type positioning seat, middle part inwall is provided with latch, and flexible positioning piece is arranged on to be stung between grip and limit fixator and positioned at the outside for stinging grip, and the present invention has double locking mechanism, flexible positioning piece has abundant extendable room, with rational in infrastructure, locking effect is good, the characteristics of reliable and stable.
Description
Technical field
The present invention relates to snap joint, specifically a kind of quick joint for metal pipes.
Background technology
Notification number is：The U of CN 204358309 disclose a kind of locking type snap joint, including are arranged on and described quickly connect
The first potted component and elastic device in head, also including being arranged between first potted component and the elastic device
Second potted component；Described elastic device is wavy spring, and the bushing being connected with the second potted component is provided with snap joint,
Holding set is provided with the bushing, the holding puts and is provided with locking member；The elastic device is arranged in the bushing
And keep set to be connected with described.
Current this structure latches are that locking member coupling mechanism force is by bullet by keeping set inner lock piece to lock metal tube
Property device provide, once coupling mechanism force deficiency metal tube produces position to be likely to out the problem of leak, reliability has much room for improvement.
Present invention
It is an object of the invention to provide a kind of quick joint for metal pipes, the structure to stinging grip is improved, and it is band to sting grip
The ring-shaped article of opening, one end for stinging grip is provided with catching, and the outer wall of the other end is provided with ring-type positioning seat, and middle part inwall is set
There is latch, flexible positioning piece is arranged on to be stung between grip and limit fixator and positioned at the outside for stinging grip, and the present invention has two
Relocking locking structure, flexible positioning piece has abundant extendable room, and with rational in infrastructure, locking effect is good, the characteristics of reliable and stable.
Following technical scheme is used to achieve the above object：
A kind of quick joint for metal pipes, including snap joint body, snap joint body include middle interconnecting piece and end, and it is special
Levy and be：Described end inwardly includes lock chambers and annular seal space respectively by port, and step is passed through between lock chambers and annular seal space
Structural transition, also by ledge structure transition between annular seal space and middle interconnecting piece, lock chambers port sets beam mouthful, the intraoral footpath of beam
Slightly larger than the external diameter of pipeline, described annular seal space sets sealing ring；Limit fixator is provided with described lock chambers, it is spacing solid
Determine to be provided with the inside of device and sting grip, sting setting twice locking mechanism in grip, described limit fixator inwall is provided with and makes to sting
The inclined-plane that grip is tightened up, described stinging is additionally provided with elastic positioner, and elastic positioner between grip and limit fixator
Outside in grip is stung, and elastic positioner 4 is in the outside and holding of stinging grip to stinging work of the grip to port direction
Firmly.
Described grip of stinging is the ring-shaped article with opening, and the one end for stinging grip is provided with several catchings, outside the other end
Wall is provided with ring-type positioning seat, and the inwall of middle part or the other end is provided with several latches.
Described limit fixator includes external fixator and internal fixation device, and external fixator one end contacts with beam mouthful, the other end
Connect with internal fixation device, the other end of internal fixation device is against on the step between lock chambers and annular seal space, described external fixator
Outer inclined-plane is provided with inwall, outer inclined-plane is provided with internal fixation device inwall, outer inclined-plane coordinates with ring-type positioning seat outer rim, it is interior oblique
Face coordinates with catching outer rim.
Described elastic positioner is a spring, and spring one end is placed in ring-type positioning seat, and the other end withstands on interior fixation
On the end face of device.
Described lock chambers port is additionally provided with unloads set, and the one end extroversion for unloading set is sold off to be formed and unloads end surfaces, described
The end surfaces that unload be placed in external fixator and be engaged with grip end face is stung.
Described sealing ring side is stopped that opposite side is hindered by catching by the step between annular seal space and middle interconnecting piece
Gear.
Outer seal sleeve is socketed with outside described snap joint body, described outer seal sleeve includes body and connection spiral shell
Set, described body includes seal receptacle and adapter sleeve, and seal receptacle inner side sets sealing ring, internal diameter of the seal ring and water pipe external diameter phase
Match somebody with somebody, described adapter sleeve one end is connected as a single entity with seal receptacle, other end port is set and the connecting portion for being connected swivel nut connection；It is described
Snap joint end bosses external diameter more than the external diameter in the middle part of snap joint, ledge structure is formed between end and middle part, it is described
Adapter sleeve end can integrally be wrapped up.
Described connection swivel nut is combined by the rosette of split, swivel nut internal diameter is connected after combination and is slightly larger than snap joint
Middle part external diameter and the external screw thread being connected with connecting portion less than raised outer end diameter, the setting of connection swivel nut one end.
Described seal receptacle includes external groove sidevall, internal groove side wall and storage tank, and described external groove sidevall height is in more than internal groove side wall, institute
The sealing ring stated includes holding part, interior sealing portion and lateral seal portion, and holding part is placed in for fixed seal ring in storage tank,
Interior sealing portion internal diameter matches with water pipe external diameter, and internal groove side wall bead is wrapped up in the lateral seal portion.
The present invention stings catching in grip and latch under the action of the spring using stinging grip with opening, coordinates outer solid
The outer inclined-plane and outer inclined-plane of device and internal fixation device inwall are determined so that stinging grip automatic tightening so as to by the snap joint of acting pipe locking
It is interior, due to using catching and latch double locking, while the outer wall for stinging grip end sets the ring-type positioning seat of fixed spring, together
When limit fixator split external fixator and internal fixation device, this setting causes to sting the outside of grip positioned at spring, is spring
Elastic deformation provides sufficient space, such that it is able to avoid the elastic component of existing snap joint because limited space easily occurs
Stuck problem, so as to greatly promote the reliability and stability of product, the present invention has rational in infrastructure, and locking effect is good, can
The characteristics of by stablizing.
Brief description of the drawings
Fig. 1 is internal structure schematic diagram of the invention；
Fig. 2 is the dimensional structure diagram that the present invention stings grip；
Fig. 3 is structural representation of the present invention plus outer seal sleeve.
Specific embodiment
As shown in Figure 1, 2, a kind of quick joint for metal pipes, including snap joint body 1, during snap joint body 1 includes
Between connecting portion and end, it is characterised in that：Described end inwardly includes lock chambers 11 and annular seal space 12, locking respectively by port
By ledge structure transition between chamber 11 and annular seal space 12, also by ledge structure mistake between annular seal space 12 and middle interconnecting piece
Cross, the port of lock chambers 11 sets beam mouthful 13,13 internal diameters of beam mouthful are slightly larger than the external diameter of pipeline 9, and described annular seal space 12 sets sealing
Circle 3；Limit fixator 2 is provided with described lock chambers 11, the inner side of limit fixator 2 is provided with stings grip 5, stings in grip 5
Twice locking mechanism is set, and the described inwall of limit fixator 2 is provided with to be made to sting the inclined-plane that grip 5 is tightened up, and described stings grip 5
It is additionally provided with elastic positioner 4 between limit fixator 2, and elastic positioner 4 is in the outside of stinging grip 5 and keeps right
Sting active force of the grip 5 to port direction.
Described grip 5 of stinging is the ring-shaped article with opening 51, and the one end for stinging grip 5 is provided with several catchings 52, another
The outer wall at end is provided with ring-type positioning seat 53, and the inwall of middle part or the other end is provided with several latches 55.
Described limit fixator 2 includes external fixator 21 and internal fixation device 22, and the one end of external fixator 21 connects with beam mouthful 13
Touch, the other end connects with internal fixation device 22, and the other end of internal fixation device 22 is against the step between lock chambers 11 and annular seal space 12
On, outer inclined-plane 23 is provided with the described inwall of external fixator 21, outer inclined-plane 25, outer inclined-plane are provided with the inwall of internal fixation device 22
23 coordinate with the outer rim of ring-type positioning seat 53, and outer inclined-plane 25 coordinates with the outer rim of catching 52.
Described elastic positioner 4 is a spring, and spring one end is placed in ring-type positioning seat 53, and the other end withstands on interior solid
Determine on the end face of device 22.
The described port of lock chambers 11 is additionally provided with unloads set 6, and the one end extroversion for unloading set 6 is sold off to be formed and unloads end surfaces
61, the described end surfaces 61 that unload are placed in external fixator 21 and are engaged with the end face of grip 5 is stung.
The described side of sealing ring 3 is stopped that opposite side is subject to catching by the step between annular seal space 12 and middle interconnecting piece
52 stop.
The present invention is mainly characterized by using the structure of locking, while elastic positioner relative to existing snap joint
4 positioned at the outside of grip 5 rather than end is stung, and internal structure is more reasonable, and such elastic positioner 4 has abundant deformation space, it is to avoid
There is stuck problem, improve the reliability of product；The effect of catching 52 and latch 55 and inside and outside inclined-plane in elastic positioner 4
Realize double locking, more preferably, the present invention has rational in infrastructure the stability of locking, and locking effect is good, the characteristics of reliable and stable.
As shown in figure 3, being also socketed with outer seal sleeve 8 outside described snap joint body 1, it is characterised in that：Described
Outer seal sleeve 8 includes body 81 and connection swivel nut 82, and described body 81 includes seal receptacle 83 and adapter sleeve 84, in seal receptacle 83
Side sets sealing ring 85, and the internal diameter of sealing ring 85 matches with the external diameter of water pipe 9, and described one end of adapter sleeve 84 is linked as with seal receptacle 83
Integrally, other end port is set and the connecting portion 86 for being connected the connection of swivel nut 82；The described end bosses external diameter of snap joint body 1
More than the external diameter in the middle part of snap joint body, ledge structure is formed between end and middle part, described adapter sleeve 84 can be by end
Overall parcel.
Described connection swivel nut 82 is combined by the rosette of split, and connection swivel nut internal diameter is slightly larger than and quickly connects after combination
Head body middle part external diameter and the external screw thread 87 being connected with connecting portion less than raised outer end diameter, the setting of connection swivel nut 82 one end.
Described seal receptacle 83 includes external groove sidevall 831, internal groove side wall 832 and storage tank, and the described height of external groove sidevall 831 is in big
In internal groove side wall 832, described sealing ring 85 includes holding part 851, interior sealing portion 852 and lateral seal portion 853, holding part 851
It is placed in for fixed seal ring 85 in storage tank, the internal diameter of interior sealing portion 852 matches with the external diameter of water pipe 9, the lateral seal
The bead of internal groove side wall 832 is wrapped up in portion 853.
Body 81 is socketed on water pipe 9 when using, then by water pipe 9 and the socket connection of snap joint body 1, the company of completion
Connection swivel nut 82 is combined and is connected with body 81 after connecing, with spinning for connection swivel nut 82, the interior sealing portion 852 of body 81
And lateral seal portion 853 forms sealing between water pipe and snap joint end face respectively, the present invention provides second for snap joint
Road is sealed, and improves the reliability of snap joint, while play dustproof effect, with rational in infrastructure, the characteristics of practical.
Claims (9)
1. a kind of quick joint for metal pipes, including snap joint body (1), snap joint body (1) including middle interconnecting piece and
End, it is characterised in that：Described end inwardly includes lock chambers (11) and annular seal space (12), lock chambers (11) respectively by port
By ledge structure transition and annular seal space (12) between, annular seal space (also by ledge structure transition between 12 and middle interconnecting piece,
Lock chambers (11) port sets beam mouthful (13), and beam mouthful (13) internal diameter is slightly larger than the external diameter of pipeline (9), and described annular seal space (12) sets
Put sealing ring (3)；Limit fixator (2) is provided with described lock chambers (11), limit fixator (2) inner side is provided with to sting grabs
Part (5), stings setting twice locking mechanism in grip (5), and described limit fixator (2) inwall is provided with to be made to sting grip (5) receipts
Tight inclined-plane, described stinging is additionally provided with elastic positioner (4) between grip (5) and limit fixator (2), and flexibly positioned
Outside of the device (4) in grip (5) is stung and keep to stinging active force of the grip 5 to port direction.
2. a kind of quick joint for metal pipes as claimed in claim 1, it is characterised in that：Described grip (5) of stinging is band opening
(51) ring-shaped article, one end for stinging grip (5) is provided with several catchings (52), and the outer wall of the other end is provided with ring-type positioning seat
(53), the inwall of middle part or the other end is provided with several latches (55).
3. a kind of quick joint for metal pipes as claimed in claim 2, it is characterised in that：Described limit fixator (2) includes
External fixator (21) and internal fixation device (22), external fixator (21) one end and beam mouthful (13) are contacted, the other end and internal fixation device
(22) connect, the other end of internal fixation device (22) is against on the step between lock chambers (11) and annular seal space (12), described is outer
Outer inclined-plane (23) is provided with fixator (21) inwall, outer inclined-plane (25), outer inclined-plane are provided with internal fixation device (22) inwall
(23) coordinate with ring-type positioning seat (53) outer rim, outer inclined-plane (25) coordinates with catching (52) outer rim.
4. a kind of quick joint for metal pipes as claimed in claim 3, it is characterised in that：Described elastic positioner (4) is one
Spring, spring one end is placed in ring-type positioning seat (53), and the other end is withstood on the end face of internal fixation device (22).
5. a kind of quick joint for metal pipes as claimed in claim 2, it is characterised in that：Described sealing ring (3) side is by close
Step of envelope chamber (12) and middle interconnecting piece between stops that opposite side is stopped by catching (52).
6. a kind of quick joint for metal pipes as described in claim 2 to 5 any one, it is characterised in that：Described lock chambers
(12) port is additionally provided with and unloads set (6), and the one end extroversion for unloading set (6) is sold off to be formed and unloads end surfaces (61), and described unloads pipe
End face (61) is placed in limit fixator (2) and is engaged with grip (5) end face is stung.
7. a kind of quick joint for metal pipes as described in claim 1 to 5 any one, it is characterised in that quick connect described
Head body (1) is also socketed with outward outer seal sleeve (8), and described outer seal sleeve (8) includes body (81) and connection swivel nut (82), institute
The body (81) stated includes seal receptacle (83) and adapter sleeve (84), and seal receptacle (83) inner side sets sealing ring (85), sealing ring
(85) internal diameter matches with water pipe (9) external diameter, and described adapter sleeve (84) one end is connected as a single entity with seal receptacle (83), other end end
Mouth sets and is connected the connecting portion (86) of swivel nut (82) connection；Described snap joint body (1) end bosses external diameter is more than fast
Quick coupling body（1）The external diameter at middle part, forms ledge structure between end and middle part, described adapter sleeve (84) can be whole by end
Body is wrapped up.
8. a kind of quick joint for metal pipes as claimed in claim 7, it is characterised in that：Described connection swivel nut (82) is by split
Rosette combine, swivel nut internal diameter is connected after combination and is slightly larger than snap joint body（1）Middle part external diameter and less than raised
Outer end diameter, connection swivel nut (82) one end sets the external screw thread (87) being connected with connecting portion.
9. a kind of quick joint for metal pipes as claimed in claim 8, it is characterised in that：Described seal receptacle (83) is including water jacket
Wall (831), internal groove side wall (832) and storage tank, described external groove sidevall (831) is highly in more than internal groove side wall (832), described sealing
Circle (85) includes holding part (851), interior sealing portion (852) and lateral seal portion (853), and holding part (851) is placed in storage tank
It is interior for fixed seal ring (85), interior sealing portion (852) internal diameter matches with water pipe (9) external diameter, the lateral seal portion (853)
By internal groove side wall (832) bead parcel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611268125.8A CN106764180B (en) | 2016-12-31 | 2016-12-31 | A kind of quick joint for metal pipes |
| CN201811199340.6A CN109253336B (en) | 2016-12-31 | 2016-12-31 | Quick joint for metal pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611268125.8A CN106764180B (en) | 2016-12-31 | 2016-12-31 | A kind of quick joint for metal pipes |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811199340.6A Division CN109253336B (en) | 2016-12-31 | 2016-12-31 | Quick joint for metal pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106764180A true CN106764180A (en) | 2017-05-31 |
| CN106764180B CN106764180B (en) | 2019-05-24 |
Family
ID=58952628
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811199340.6A Expired - Fee Related CN109253336B (en) | 2016-12-31 | 2016-12-31 | Quick joint for metal pipe |
| CN201611268125.8A Active CN106764180B (en) | 2016-12-31 | 2016-12-31 | A kind of quick joint for metal pipes |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811199340.6A Expired - Fee Related CN109253336B (en) | 2016-12-31 | 2016-12-31 | Quick joint for metal pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN109253336B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307406A (en) * | 2019-06-28 | 2019-10-08 | 邓权塑业科技（湖南）有限公司 | A kind of super-silent drainpipe and its production technology |
| CN110778827A (en) * | 2019-12-06 | 2020-02-11 | 上汽依维柯红岩车桥有限公司 | Quick-change connector for sealed inflation of unthreaded hole |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4009896A (en) * | 1976-05-10 | 1977-03-01 | General Motors Corporation | Quick connect coupling |
| EP2567135A2 (en) * | 2010-05-04 | 2013-03-13 | Norma U.S. Holding LLC | Connector assembly |
| DE102011121089A1 (en) * | 2011-12-15 | 2013-06-20 | Schell Gmbh & Co. Kg | Device for supporting and sealing pipe in pipe outlet or fitting, has mounting sleeve which overlaps and corresponds to nut in screwing or positive-locking direction and enables freewheel in opposite direction |
| CN204358309U (en) * | 2014-12-22 | 2015-05-27 | 浙江雨龙管业科技有限公司 | A kind of locking rapid pipe joint |
| CN204420414U (en) * | 2015-01-19 | 2015-06-24 | 宁波华平金属制品有限公司 | Lead-free reflow quickly jointed tubular workpieces |
| CN206338523U (en) * | 2016-12-31 | 2017-07-18 | 缪灵军 | A kind of quick joint for metal pipes |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1008174C2 (en) * | 1998-01-30 | 1999-08-02 | Flamco Bv | Coupling for connecting two pipe sections together. |
| JP2006258145A (en) * | 2005-03-15 | 2006-09-28 | Tokai Rubber Ind Ltd | Air bleeding pipe joint |
| JP5864164B2 (en) * | 2011-08-30 | 2016-02-17 | 株式会社モリタホールディングス | Fire hose coupling fittings |
| AT512772B1 (en) * | 2012-09-10 | 2013-11-15 | Ke Kelit Kunststoffwerk Gmbh | Plug-in coupling for a metallic pipe, in particular for water pipes |
| JP2015197195A (en) * | 2014-04-03 | 2015-11-09 | ニッタ株式会社 | Narrow place piping joint |
| CN205136871U (en) * | 2015-10-30 | 2016-04-06 | 郑仕杰 | Tap connecting piece |
-
2016
- 2016-12-31 CN CN201811199340.6A patent/CN109253336B/en not_active Expired - Fee Related
- 2016-12-31 CN CN201611268125.8A patent/CN106764180B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4009896A (en) * | 1976-05-10 | 1977-03-01 | General Motors Corporation | Quick connect coupling |
| EP2567135A2 (en) * | 2010-05-04 | 2013-03-13 | Norma U.S. Holding LLC | Connector assembly |
| CN103180650A (en) * | 2010-05-04 | 2013-06-26 | 诺玛美国控股有限责任公司 | Connector assembly |
| DE102011121089A1 (en) * | 2011-12-15 | 2013-06-20 | Schell Gmbh & Co. Kg | Device for supporting and sealing pipe in pipe outlet or fitting, has mounting sleeve which overlaps and corresponds to nut in screwing or positive-locking direction and enables freewheel in opposite direction |
| CN204358309U (en) * | 2014-12-22 | 2015-05-27 | 浙江雨龙管业科技有限公司 | A kind of locking rapid pipe joint |
| CN204420414U (en) * | 2015-01-19 | 2015-06-24 | 宁波华平金属制品有限公司 | Lead-free reflow quickly jointed tubular workpieces |
| CN206338523U (en) * | 2016-12-31 | 2017-07-18 | 缪灵军 | A kind of quick joint for metal pipes |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307406A (en) * | 2019-06-28 | 2019-10-08 | 邓权塑业科技（湖南）有限公司 | A kind of super-silent drainpipe and its production technology |
| CN110778827A (en) * | 2019-12-06 | 2020-02-11 | 上汽依维柯红岩车桥有限公司 | Quick-change connector for sealed inflation of unthreaded hole |
| CN110778827B (en) * | 2019-12-06 | 2024-01-19 | 上汽红岩车桥(重庆)有限公司 | Quick-change connector for sealing and inflating unthreaded hole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109253336A (en) | 2019-01-22 |
| CN109253336B (en) | 2020-03-31 |
| CN106764180B (en) | 2019-05-24 |
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