CN109357096A - A kind of excessively board-like quick connector - Google Patents
A kind of excessively board-like quick connector Download PDFInfo
- Publication number
- CN109357096A CN109357096A CN201811307619.1A CN201811307619A CN109357096A CN 109357096 A CN109357096 A CN 109357096A CN 201811307619 A CN201811307619 A CN 201811307619A CN 109357096 A CN109357096 A CN 109357096A
- Authority
- CN
- China
- Prior art keywords
- fastener
- quick connector
- joint body
- excessively
- board
- 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.)
- Pending
Links
- 230000000903 blocking effect Effects 0.000 claims abstract description 6
- 239000013013 elastic material Substances 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims description 25
- 238000003780 insertion Methods 0.000 claims description 19
- 230000037431 insertion Effects 0.000 claims description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008602 contraction Effects 0.000 description 6
- 239000004677 Nylon Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003519 ventilatory effect Effects 0.000 description 1
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
- F16L37/12—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
- F16L43/00—Bends; Siphons
Abstract
The invention belongs to joint technique fields, propose a kind of excessively board-like quick connector, cross plate hole connection applied to pipe joint, it is characterised in that: including joint body；Chuck is arranged on the joint body, and fastener, one end is connect with the joint body, and the other end is free end, and is provided between the other end and the chuck for blocking the gap for crossing plate, and the fastener is hard elastic material fastener.The fastener is at least two, and is symmetricly set on the joint body.Through the above technical solutions, solving the problems, such as that structure is complicated, connection is unstable for quick connector in the prior art.
Description
Technical field
The invention belongs to joint technique fields, are related to a kind of excessively board-like quick connector.
Background technique
Quick connector is a kind of common conduit coupling that can facilitate installing and dismounting, because its ease of use has well
The market demand.
At present in commercial vehicle pneumatic brake pipeline system, for driver's cabin or vehicle bridge, need when piping connection by pipeline
It disconnects, existing connection type is directly to pass through via hole, or in such a way that long screw thread adds two nuts, the above connection type is
It is time-consuming, it is easily loosened in vibration environment, easily rotation.When being wherein nut connection using connection type, tightens nut and need to consume
A large amount of working hours, and in vehicle travel process, the connection type for tightening nut is easy to loosen, and is additionally required locking processing；And it adopts
With the connection type of long screw thread, pipeline is easy to spin.And the number of parts of above-mentioned connection type via hole is more, it is at high cost.
It quickly connect because of a kind of adaptation via hole of the invention and with nylon tube, Fast Installation, structure is simple, compact, and connection can
By the high quick connector of property or necessary.
Summary of the invention
The present invention proposes a kind of excessively board-like quick connector, and solving quick connector in the prior art, structure is complicated, connects not
Stable problem.
The technical scheme of the present invention is realized as follows:
A kind of excessively board-like quick connector crosses plate hole connection applied to pipe joint, it is characterised in that: including
Joint body；
Chuck is arranged on the joint body,
Fastener, one end are connect with the joint body, and the other end is free end, and is arranged between the other end and the chuck
Have for blocking the gap for crossing plate, the fastener is hard elastic material fastener.
Further, the fastener is at least two, and is symmetricly set on the joint body.
It further, further include the insertion section that the fastener other end is set, the insertion site is in close to the connector
Ontology side, and extend in the gap.
It further, further include the gasket being arranged in the chuck, the gasket is elastomeric pad, and is located at the chuck
On the surface of the fastener, it is provided between the free end of the fastener and the gasket for blocking described cross between plate
Gap.
Further, the joint body includes sequentially connected positive socket part, transition part and negative socket part, and the fastener, which is located at, to be leaned on
The nearly positive socket part side, the chuck are located at close to the negative socket part side.
Further, the fastener includes sequentially connected interconnecting piece and card division, and the interconnecting piece and the joint body connect
It connects, the card division includes from the reinforcing section being gradually increased with the joint body connecting pin to another end cross-sectional area, the insertion
Portion is located at the end of the card division.
Further, the interconnecting piece inner surface be arc, the radian of the arc less than 90 °, one end of the arc with
The transition part connection, and be 70-110 ° with the transition part angle, the other end is connect with the card division.
Further, the connecting portion is in the positive socket part and the transition part junction, and one end face of the interconnecting piece
It is connect with the transition part, other end is connect with the positive socket part.
Further, the card division includes sequentially connected interlude and reinforces section, and the interlude and the interconnecting piece connect
It connects, the interlude thickness is uniform.
Further, the joint body, the chuck and the fastener are integrally formed setting.
It the working principle of the invention and has the beneficial effect that
1, the invention proposes a kind of quick connectors, are mainly used in automobile air brake pipe joint and cross plate hole connection, this
Quick connector in invention is reasonable in design, and shape is simply exquisite, and one end is negative socket part, quickly connect with male contact, transition
The fastener being arranged on the outside of portion is formed with chuck and is squeezed, and plate is squeezed to block.Nature, fastener are free state, are being pacified
When dress, positive socket part passed through plate hole, and when by fastener, the free end of fastener is squeezed contractions, fastener nature when through position
Loosen, reply nature, crosses plate hole and be between fastener and chuck, realized the piping connection of plate hole.When disassembly is desired,
Firmly the free end of fastener is depressed, makes its contraction, and stress is exited from plate hole excessively, completes unloading.
It can adapt to via hole and quickly connect with nylon tube, have Fast Installation, structure is simple, compact, connection reliability
High advantage.
2, quick connector in the present invention, fastener are symmetricly set on joint body, can increase quick connector and use
Uniform force in journey, it is easily operated, increase the convenience of quick connector in use, extends quick connector and correlation
The service life of pipeline.
3, it is provided with insertion section on the fastener of quick connector in the present invention, forms boss knot between insertion section and fastener end face
Structure, when connection, insertion section was inserted into plate hole, and insertion section makes quick connector and cross plate hole under the action of fastener elastic force
It connects even closer, firm.
Flexible gasket, after assembling plate, gasket extrusion makes quick connector adapt to different-thickness
Plate is crossed, adaptable, stability is good, and will cross plate using the elastic force of elastomeric pad after connecting and be connected and fixed with connector, makes to connect
Head is unable to axial float, can not axially rotate, to increase the connective stability between plate and connector.
4, joint body includes sequentially connected positive socket part, transition part and negative socket part, and fastener is located at close to positive socket part side,
The chuck is located at close to the negative socket part side, wherein in use, positive socket part connects for the connection with famale connector, yin
Fastener is positioned close to positive socket part side for the connection with male contact by portion, and chuck is positioned close to negative socket part side, is increased
The reasonability of structure setting convenient for connector and crosses the connection of plate hole.
The sequentially connected positive socket part of joint body, transition part and negative socket part connect fast plugging function with plate excessively, ring connects
It is integrated, convenient and piping connection, to realize ventilatory function, makes its volume smaller (materials are few), reduces the company that tradition connects
Contact decreases a leak point, and saves and manually go to tighten process, and appearance is more aesthetically pleasing, occupied space is smaller, more
It is compact.
Fastener includes sequentially connected interconnecting piece and card division, and interconnecting piece is connect with joint body, card division include from connector
The reinforcing section that ontology connecting pin is gradually increased to another end cross-sectional area, in the end of card division, reinforcing section can increase insertion site
Entire fastener elasticity, replys nature convenient for fastener.
5, the inner surface of interconnecting piece is arc, and the interconnecting piece of arc setting can increase the company between fastener and joint body
Stability is connect, is more uniformly stressed, and the radian of arc forms card division to inclined far from joint body side less than 90 °
Trend increases the ease of use of entire quick connector convenient for the contraction and reply of fastener；The folder of arc and transition part junction
Angle is 70-110 °, can increase the bonding strength and stability between fastener and joint body.
6, it is integrally formed between joint body, chuck and fastener, keeps entire joint structure more compact, reduce tie point
And union piece.And the male contact in the present invention uses 135 ° of elbows, and the occupied space of quick connector is further decreased.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is half section structure diagram of the present invention；
In figure: 10- joint body, 11- sun socket part, 12- transition part, 13- yin socket part, 20- chuck, 30- fastener, 31- connect
Socket part, 32- interlude, 33- reinforce section, 34- arc, the insertion section 40-, 50- gasket.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
In embodiment as Figure 1-Figure 2, a kind of excessively board-like quick connector is proposed, crosses plate applied to pipe joint
Hole connection, comprising: joint body 10 was used for the connection of two lateral line of plate,
Chuck 20 is arranged on joint body 10, and it can be discoid that 20 shape of chuck, which is not fixed, or cuboid
Shape, in connector insertion process, after fastener 30 passed through plate, since the sectional area of chuck 20 makes chuck 20 cannot pass through plate.
Crossing plate is the plate for needing connector to pass through, and crosses on plate and is provided with the via hole passed through for connector.
Fastener 30, one end are connect with joint body 10, and the other end is free end, and is provided between the other end and chuck 20
For blocking the gap of plate, fastener 30 is hard elastic material fastener 30.It is used between chuck 20 and fastener 30
Board is lived.Quick connector is mainly used in automobile air brake pipe joint and crosses plate hole connection, the quick connector in the present invention
Reasonable in design, shape is simply exquisite, and one end is negative socket part 13, quickly connect with male contact, is arranged on the outside of transition part 12
Fastener 30 is formed with chuck 20 and is squeezed, and will be crossed plate and is squeezed to block.Nature, fastener 30 are free state, are being installed
When, positive socket part 11 passed through plate hole, and when by fastener 30, the free end of fastener 30 is squeezed contraction, fastener when through position
30 natural relaxations reply nature, cross plate hole and are between fastener 30 and chuck 20, realized the piping connection of plate hole.When
When needing to dismantle, firmly the free end of fastener 30 is depressed, makes its contraction, and stress is exited from plate hole excessively, completes unloading.This
Quick connector in embodiment can adapt to via hole and quickly connect with nylon tube, have Fast Installation, and structure is simple, compact,
The high advantage of connection reliability.
Fastener 30 is at least two, and is symmetricly set on joint body 10, and fastener 30 is symmetricly set on joint body 10
On, the uniform force of quick connector in use can be increased, it is easily operated, increase quick connector in use
Convenience, extend the service life of quick connector and associated pipe.
Insertion section 40, setting are located in 30 other end of fastener, insertion section 40 close to 10 side of joint body.Quick connector
It is provided with insertion section 40 on fastener, forms boss structure between 30 end face of insertion section 40 and fastener, when connection, insertion section 40 is inserted into
Into plate hole excessively, insertion section 40 keeps the connection of quick connector and plate hole excessively even closer, steady under the action of 30 elastic force of fastener
Gu.
Gasket 50 is arranged in chuck 20, and gasket 50 is elastomeric pad, and is located at chuck 20 close to the surface of fastener 30
On, the gap for blocking plate is provided between the free end and gasket 50 of fastener 30.Flexible gasket 50, is being assembled
After crossing plate, 50 extrusion of gasket makes quick connector adapt to the plate of crossing of different-thickness, adaptable, and benefit after connection
Plate will be crossed with the elastic force of elastomeric pad to be connected and fixed with connector, is prevented connector from axial float, can not axially be rotated, to increase
Added the connective stability between plate and connector.
In another embodiment of the invention, joint body 10 includes sequentially connected positive socket part 11, transition part 12 and yin
Socket part 13, fastener 30 are located at close to 11 side of positive socket part, and chuck 20 is located at close to 13 side of negative socket part.Joint body 10 include according to
Positive socket part 11, transition part 12 and the negative socket part 13 of secondary connection, fastener 20 are located at close to 11 side of positive socket part, and chuck is located at close to yin
13 side of socket part, wherein in use, positive socket part 11 is used for and male contact for the connection with famale connector, negative socket part 13
Connection, is positioned close to positive 11 side of socket part for fastener 30, chuck 20 is positioned close to negative 13 side of socket part, increases structure and set
The reasonability set, convenient for connector and the connection for crossing plate hole.
In another embodiment of the invention, 31 inner surface of interconnecting piece is provided with arc 34, and the radian of arc 34 is less than
90 °, one end of arc 34 is connect with transition part 12, and is 70-110 ° with 12 angle of transition part, and the other end is connect with card division.
Interconnecting piece 31 is located at positive socket part 11 and 12 junction of transition part, and 31 1 end face of interconnecting piece is connect with transition part 12,
Other end is connect with positive socket part 11.
The inner surface of interconnecting piece 31 is arc, and the interconnecting piece 31 of arc setting can increase between fastener 30 and joint body
Connective stability, be more uniformly stressed, and the radian of arc 34 is less than 90 °, form card division to far from joint body side
Inclined trend increases the ease of use of entire quick connector convenient for the contraction and reply of fastener 30；Arc 34 and transition part
The angle of 12 junctions is 70-110 °, can increase bonding strength and stability between fastener 30 and joint body 10.More
In excellent embodiment, arc 34 and card division inner surface are tangent, and interconnecting piece 31 can be made to be smoothly connected with card division, increase entire fastener
Connective stability.
In another embodiment of the invention, there are two symmetrically arranged plane or class plane, fasteners 30 for the tool of transition part 12
It is two, and is separately positioned on the side of the plane or the class plane.The structure of plane or class plane is set on transition part 12
Mode is set, the structural stability that plate was blocked in cooperation between fastener 30 and chuck 20 can be increased, connector is improved and using
Stability in journey.And the set-up mode of two planes and two fasteners 30, it operates, is convenient for convenient for staff's butt joint
Realize switching of the fastener between two states.
In another embodiment of the invention, card division includes sequentially connected interlude 32 and reinforcing section 33, interlude 32
It is connect with interconnecting piece 31,32 thickness of interlude is uniform.
In another embodiment of the invention, joint body 10, chuck 20 and fastener 30 are integrally formed setting.Joint body
10, it is integrally formed between chuck 20 and fastener 30, keeps entire joint structure more compact, reduce tie point and union piece.
In an alternative embodiment of the invention, male contact uses 135 ° of elbows, and the occupied space of quick connector is further subtracted
It is small.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of excessively board-like quick connector crosses plate hole connection applied to pipe joint, it is characterised in that: including
Joint body (10)；
Chuck (20) is arranged on the joint body (10),
Fastener (30), one end are connect with the joint body (10), and the other end is free end, and the other end and the chuck (20)
Between be provided with for block it is described cross plate gap, the fastener (30) be hard elastic material fastener (30).
2. a kind of excessively board-like quick connector according to claim 1, it is characterised in that: the fastener (30) is at least two
It is a, and be symmetricly set on the joint body (10).
3. a kind of excessively board-like quick connector according to claim 1, it is characterised in that: further include being arranged in the fastener
(30) insertion section (40) of the other end, the insertion section (40) are located at close to the joint body (10) side, and deeply described
In gap.
4. a kind of excessively board-like quick connector according to claim 1, it is characterised in that: further include being arranged in the chuck
(20) gasket (50) on, the gasket (50) are elastomeric pad, and are located at the chuck (20) close to the fastener (30)
On surface, it is provided between the free end and the gasket (50) of the fastener (30) for blocking the gap for crossing plate.
5. a kind of excessively board-like quick connector according to claim 1, it is characterised in that: the joint body (10) (including
Sequentially connected sun socket part (11), transition part (12) and negative socket part (13), the fastener (30) are located at close to the positive socket part
(11) side, the chuck (20) are located at close to described negative socket part (13) side.
6. a kind of excessively board-like quick connector according to claim 1, it is characterised in that: the fastener (30) includes successively connecting
The interconnecting piece (31) connect and card division, the interconnecting piece (31) connect with the joint body (10), the card division include from institute
The reinforcing section (33) that joint body (10) connecting pin is gradually increased to another end cross-sectional area is stated, the insertion section (40) is located at described
The end of card division.
7. a kind of excessively board-like quick connector according to claim 1, it is characterised in that: interconnecting piece (31) inner surface is
Arc (34), less than 90 °, one end of the arc (34) is connect the radian of the arc (34) with the transition part (12), and
It is 70-110 ° with the transition part (12) angle, the other end is connect with the card division.
8. a kind of excessively board-like quick connector according to claim 6, it is characterised in that: the interconnecting piece (31) is located at described
Positive socket part (11) and the transition part (12) junction, and (31) one end face of the interconnecting piece is connect with the transition part (12),
Other end is connect with the positive socket part (11).
9. a kind of excessively board-like quick connector according to claim 1, it is characterised in that: the card division includes sequentially connected
Interlude (32) and reinforcing section (33), the interlude (32) connect with the interconnecting piece (31), interlude (32) thickness
Uniformly.
10. a kind of excessively board-like quick connector according to claim 1, it is characterised in that: the joint body (10), described
Chuck (20) and the fastener (30) are integrally formed setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307619.1A CN109357096A (en) | 2018-11-05 | 2018-11-05 | A kind of excessively board-like quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307619.1A CN109357096A (en) | 2018-11-05 | 2018-11-05 | A kind of excessively board-like quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109357096A true CN109357096A (en) | 2019-02-19 |
Family
ID=65344001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811307619.1A Pending CN109357096A (en) | 2018-11-05 | 2018-11-05 | A kind of excessively board-like quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109357096A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2468274A1 (en) * | 2003-06-13 | 2004-12-13 | Thomas & Betts International, Inc. | Range taking snap-in connector |
| CN200993286Y (en) * | 2006-12-14 | 2007-12-19 | 范世峰 | Plastic pipeline bell and spigot joint |
| CN101668667A (en) * | 2007-04-19 | 2010-03-10 | 福士汽车配套部件责任有限公司 | Connecting device for media lines in the region of a wall duct and wall element |
| CN209622280U (en) * | 2018-11-05 | 2019-11-12 | 河北亚大汽车塑料制品有限公司 | A kind of excessively board-like quick connector |
-
2018
- 2018-11-05 CN CN201811307619.1A patent/CN109357096A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2468274A1 (en) * | 2003-06-13 | 2004-12-13 | Thomas & Betts International, Inc. | Range taking snap-in connector |
| CN200993286Y (en) * | 2006-12-14 | 2007-12-19 | 范世峰 | Plastic pipeline bell and spigot joint |
| CN101668667A (en) * | 2007-04-19 | 2010-03-10 | 福士汽车配套部件责任有限公司 | Connecting device for media lines in the region of a wall duct and wall element |
| CN209622280U (en) * | 2018-11-05 | 2019-11-12 | 河北亚大汽车塑料制品有限公司 | A kind of excessively board-like quick connector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209622280U (en) | A kind of excessively board-like quick connector | |
| CN201297461Y (en) | Movable joint of pipeline | |
| CN201875337U (en) | Four-way divider for connecting corrugated pipes | |
| CN109357096A (en) | A kind of excessively board-like quick connector | |
| CN201496698U (en) | Buckle structure for automotive air conditioning pipeline | |
| CN210318905U (en) | Anti-loose hydraulic pipe joint | |
| CN201177063Y (en) | Flange type pneumatic tube pinch valve | |
| CN204127515U (en) | A kind of air-conditioner of engineering machinery pipeline connects novel sealing structure | |
| CN111188955A (en) | Pipe clamp capable of realizing quick connection and pipe clamp assembly | |
| CN215890746U (en) | Anti-dismantling connecting piece | |
| CN211925084U (en) | Quick installation external member of water pump | |
| CN208703348U (en) | A kind of drawing and extruding section bar pipeline connection ruggedized construction | |
| CN210191653U (en) | Quick-plugging connecting pipeline system | |
| CN218425345U (en) | Flanging steel wire braided tube with buckling connection structure | |
| CN217030381U (en) | Flaring type right-angle movable nut pipe joint | |
| CN206889892U (en) | Pipe joint | |
| CN203010067U (en) | Gas transport pipe system | |
| CN2779202Y (en) | Quick-acting pipe joint | |
| KR20100094048A (en) | Flange type mechanical joint | |
| CN205447055U (en) | Quick connector pipe fitting suitable for pagoda shape connects | |
| CN2890570Y (en) | Steel-plastic connector for pipe | |
| CN204646596U (en) | Adapter sleeve used for air compressor | |
| CN109578414A (en) | A kind of adaptive axis deflection bolt and its application method | |
| CN215294037U (en) | High-sealing joint for hydraulic hose | |
| CN2529067Y (en) | Clip joint for composite anticorrosion pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |