CN109578728B - Assembling process of anti-drop structure of buckling hose connector - Google Patents
Assembling process of anti-drop structure of buckling hose connector Download PDFInfo
- Publication number
- CN109578728B CN109578728B CN201811438414.7A CN201811438414A CN109578728B CN 109578728 B CN109578728 B CN 109578728B CN 201811438414 A CN201811438414 A CN 201811438414A CN 109578728 B CN109578728 B CN 109578728B
- Authority
- CN
- China
- Prior art keywords
- crimping
- sleeve
- hose
- groove
- inner bushing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
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
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/02—Hose-clips
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Pressure Members (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
An anti-drop structure for buckling and pressing a hose joint comprises an outer sleeve nut, an inner bushing, a crimping sleeve and a hose; the inner bushing of the structure is provided with a crimping sleeve positioning surface, an anti-drop groove and an annular crimping groove, and the crimping sleeve is provided with an anti-drop flange and a spiral groove-shaped crimping groove; the problem of low crimping rate caused by inaccurate alignment of the crimping grooves in the production of the inner bushing and the crimping sleeve is solved through the spiral groove-shaped crimping grooves of the crimping sleeve; the anti-falling groove of the inner bushing is matched with the anti-falling flange of the crimping sleeve, so that the crimping sleeve is prevented from falling off along with the liquid cooling hose, and the anti-falling capacity of the liquid cooling hose is improved; in addition, the spiral groove-shaped crimping groove of the crimping sleeve is utilized to improve the crimping process of the liquid cooling hose joint, so that the problem that the depth of a circular groove between the inner bushing and the crimping sleeve, which is inserted into the end part of the hose, is uncontrollable is solved; the liquid cooling hose assembly with the structure has the advantages of reliable hose crimping and strong anti-falling capability, and ensures the working reliability of the liquid cooling hose.
Description
Technical Field
The invention relates to the technical field of liquid cooling hose connectors in an aircraft liquid cooling pipeline assembly, in particular to an anti-drop structure and an assembling process for a buckling hose connector.
Background
As is known, the liquid cooling hose assembly for the existing aircraft adopts a buckling type of the rear part of an outer sleeve nut, and the hose is tightly pressed through a crimping groove between an inner bushing and a crimping sleeve, so that the hose is prevented from falling off; however, when the liquid cooling hose assembly is actually produced, if the alignment of the crimping grooves between the inner bushing and the crimping sleeve is not accurate, the hose connection strength is insufficient; meanwhile, when the liquid cooling hose assembly is actually produced, because the crimping part of the end part of the hose is arranged in the annular groove between the inner lining and the crimping sleeve, the depth of the end part of the hose inserted into the annular groove between the inner lining and the crimping sleeve cannot be directly seen, the problem that the crimping length of the end part of the hose is too short exists, and the connection strength of the hose is insufficient; in addition, in the existing liquid cooling hose assembly, an anti-falling structure is not arranged between the inner bushing and the crimping sleeve, when the liquid cooling hose falls off, the crimping sleeve can fall off along with the hose, and the anti-falling capability of a crimping groove of the crimping sleeve does not fully play a role; especially, the liquid cooling hose vibrates greatly and the environment is bad during the use, and the hose connection strength is not enough and the hose drops, resulting in the occurrence of aviation accidents.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses an anti-drop structure for a buckling and pressing hose connector, wherein an inner bushing of the structure is provided with a positioning surface of a pressing sleeve, an anti-drop groove and an annular pressing groove, and the pressing sleeve is provided with an anti-drop rib and a spiral groove-shaped pressing groove; the structure solves the problem of inaccurate alignment of the crimping grooves between the inner bushing and the crimping sleeve through the spiral groove-shaped crimping grooves of the crimping sleeve; the anti-falling groove of the inner bushing is matched with the anti-falling flange of the crimping sleeve, so that the crimping sleeve is prevented from falling off along with the liquid cooling hose, and the anti-falling capacity of the liquid cooling hose is improved; in addition, the spiral groove-shaped crimping groove of the crimping sleeve is utilized to improve the crimping process of the liquid cooling hose joint, so that the problem that the depth of a circular groove between the inner bushing and the crimping sleeve, which is inserted into the end part of the hose, is uncontrollable is solved; the liquid cooling hose adopting the structure has the advantages of reliable hose crimping and strong anti-falling capability, and ensures the working reliability of the liquid cooling hose.
In order to realize the purpose, the invention adopts the following technical scheme: an anti-drop structure for buckling and pressing a hose joint comprises an outer sleeve nut, an inner bushing, a crimping sleeve and a hose; one end of the outer sleeve nut is provided with a flange with a through hole; the inner bushing is a T-shaped hollow sleeve, an inner hole at the head part of the right side of the T-shaped hollow sleeve is conical, and the outer cylindrical surface of the tube body of the T-shaped sleeve is provided with a step-shaped compression joint sleeve positioning surface, a ring-shaped anti-falling groove and a plurality of inverted tooth-shaped compression joint grooves; the head of the left side of the inner bushing is arranged in a threaded hole of the outer bushing nut; the crimping sleeve is a circular sleeve, a positioning flange with a through hole is arranged on the right end face of the crimping sleeve, an anti-falling flange is arranged in an inner hole on the right side of the positioning flange, and a screw spinning connecting groove is formed in an inner hole on the left side of the anti-falling flange; the T-shaped sleeve pipe body of the inner bushing is arranged in a hole of the crimping sleeve, the positioning surface of the crimping sleeve of the inner bushing is attached to the positioning flange of the crimping sleeve, and the anti-falling flange of the crimping sleeve is embedded into the anti-falling groove of the inner bushing; the end of the hose is arranged in a ring groove formed by the inner lining and the crimping sleeve.
Preferably, the anticreep flange of crimping cover is the sectional type setting, and the crease deformation appears in the anticreep flange when preventing that the crimping cover from withholding, makes the anticreep flange imbed smoothly in the anticreep groove of neck bush.
Preferably, the screw pressing groove of the pressing sleeve is in a rectangular thread groove shape, so that the anti-falling resistance of the buckled hose is increased.
Preferably, the screw pressing connection groove of the pressing connection sleeve is in the shape of a reversed tooth thread groove, so that the hose can be conveniently and smoothly installed in the pressing connection sleeve, and the anti-falling capacity of the buckled and pressed hose is improved.
Withhold hose coupling anti-drop structure's assembling process: arranging the head part at the left side of the inner bushing in the outer sleeve nut; inserting the end of the hose into the spiral crimping groove of the crimping sleeve in a rotating manner; pressing the end of the crimping groove of the inner bushing into the inner hole of the hose to ensure that the positioning surface of the crimping sleeve of the inner bushing is attached to the right end surface of the crimping sleeve; in the process that the end of the crimping groove of the inner bushing is pressed into the inner hole of the hose, the outer surface of the hose and the surface of the spiral crimping groove of the crimping sleeve can slide relatively, and a gap is formed between the end surface of the hose and the anti-falling flange of the crimping sleeve; the method comprises the following steps that a crimping sleeve is rotated, a spiral crimping groove of the crimping sleeve is used for eliminating a gap between the end face of a hose and an anti-falling flange of the crimping sleeve, and when the end face of the hose is in contact with the anti-falling flange of the crimping sleeve, the rotating torque of the crimping sleeve is larger than a set value; at the moment, a gap can be formed between the positioning surface of the crimping sleeve of the inner bushing and the right end surface of the crimping sleeve, pressure is applied to the right end surface of the inner bushing (2), the end of the crimping groove (203) of the inner bushing (2) is continuously pressed into the inner hole of the hose (4), the gap between the positioning surface of the crimping sleeve of the inner bushing and the right end surface of the crimping sleeve is eliminated, the anti-falling flange of the crimping sleeve is smoothly embedded into the anti-falling groove of the inner bushing when in buckling, and meanwhile, the crimping length of the end part of the hose between the inner bushing and the crimping sleeve is ensured; and finally, buckling the pressing sleeve to complete the assembly of the buckling hose.
The assembling process of the anti-drop structure of the crimping hose connector is specifically explained by the following explanation:
s1: the left head of the inner bushing (2) is arranged in the outer sleeve nut (1).
S2: the end of the hose (4) is inserted in a rotational manner into the screw-on groove (302) of the crimp sleeve (3).
S3: pressing the end of the crimping groove (203) of the inner bushing (2) into the inner hole of the hose (4), and attaching the crimping bushing positioning surface (201) of the inner bushing (2) to the right end surface of the crimping bushing (3).
S5: and rotating the crimping sleeve (3) until the rotation torque of the crimping sleeve (3) is greater than a set value.
S6: and (3) applying pressure to the right end face of the inner bushing (2), and continuously pressing the end of the crimping groove (203) of the inner bushing (2) into the inner hole of the hose (4) until the crimping bushing positioning surface (201) of the inner bushing (2) is attached to the right end face of the crimping bushing (3).
S7: and buckling and pressing the pressing sleeve, and assembling the liquid cooling hose.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: the invention discloses an anti-drop structure of a buckling and pressing hose connector.A neck bush of the structure is provided with a positioning surface of a crimping bush and an anti-drop groove, and the crimping bush is provided with an anti-drop flange and a spiral groove-shaped crimping groove; the problem of low crimping rate caused by inaccurate alignment of the crimping grooves between the inner bushing and the crimping sleeve is solved through the spiral groove-shaped crimping grooves of the crimping sleeve; the anti-falling groove of the inner bushing is matched with the anti-falling flange of the crimping sleeve, so that the crimping sleeve is prevented from falling off along with the liquid cooling hose, and the anti-falling capacity of the liquid cooling hose is improved; in addition, the spiral groove-shaped crimping groove of the crimping sleeve is utilized to improve the assembly process of the liquid cooling hose joint, and the problem that the depth of a circular groove between the inner bushing and the crimping sleeve, which is inserted into the end part of the hose, is uncontrollable is solved; the liquid cooling hose adopting the structure has the advantages of reliable hose crimping and strong anti-falling capability, and ensures the working reliability of the liquid cooling hose.
Drawings
FIG. 1 is a schematic view of an anti-falling structure of a buckling hose connector;
FIG. 2 is a schematic view of an inner liner;
FIG. 3 is a schematic view of a crimp sleeve.
In the figure: 1. a nut is sleeved; 2. an inner liner; 201. pressing a sleeve positioning surface; 202. a drop-proof groove; 203. a crimping groove; 3. a crimping sleeve; 301. anti-falling flanges; 302. screwing a groove; 4. a hose.
Detailed Description
The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.
An anti-drop structure for buckling and pressing a hose joint comprises an outer sleeve nut 1, an inner bushing 2, a crimping sleeve 3 and a hose 4; the head of the left side of the inner bushing 2 is arranged in the outer bushing nut 1; the crimping sleeve 3 is arranged outside the end 302 of the screw pressing connecting groove of the inner liner 2, the positioning surface 201 of the crimping sleeve of the inner liner 2 is attached to the end surface of the right side of the crimping sleeve 3, and the anti-falling rib 301 of the crimping sleeve 3 is embedded into the anti-falling groove 202 of the inner liner 2; the end part of the hose 4 is arranged in a ring groove formed by the inner lining 2 and the crimping sleeve 3, and the inner lining 2, the hose 4 and the crimping sleeve 3 are connected into a whole through buckling; because the crimping groove 203 of the inner bushing 2 is an annular groove and the crimping groove of the crimping sleeve 3 is spiral, the problem that the crimping groove 203 of the inner bushing 2 and the spiral crimping groove 302 of the crimping sleeve 3 are not aligned is solved, and the crimping rate of the hose 4 can be stably ensured in the assembling and crimping process.
When the liquid cooling hose adopting the anti-drop structure of the buckling hose joint is used, as the anti-drop ribs 301 of the crimping sleeve 3 are embedded into the anti-drop grooves 202 of the inner bushing 2, the crimping sleeve 3 cannot move relative to the inner bushing 2, and when the hose 2 is stressed to generate a slip trend, the resistance of the screw pressing connecting groove 302 of the crimping sleeve 3 and the resistance of the crimping groove 203 of the inner bushing 2 need to be overcome; compared with the connection structure of the hose in the prior art, the anti-falling capacity of the liquid cooling hose adopting the buckling hose joint anti-falling structure is obviously improved.
When the liquid cooling hose adopting the buckling hose joint anti-drop structure is assembled, the head part on the left side of the inner bushing 2 is arranged in the outer bushing nut 1; inserting the end of the hose 4 into the screw crimping groove 302 of the crimping sleeve 3 in a rotating manner; pressing the crimping groove end of the inner bushing 2 into the inner hole of the hose 4 to ensure that the crimping sleeve positioning surface 201 of the inner bushing 2 is attached to the right end surface of the crimping sleeve 3; in the process that the end of the crimping groove of the inner bushing 2 is pressed into the inner hole of the hose 4, the outer surface of the hose and the surface of the spiral crimping groove 302 of the crimping sleeve can slide relatively, and a gap is formed between the end surface of the hose 4 and the anti-falling flange 301 of the crimping sleeve 3; the crimping sleeve 3 is rotated, the spiral crimping groove 302 of the crimping sleeve 3 is utilized to eliminate the gap between the end surface of the hose and the anti-falling rib 301 of the crimping sleeve 3, and when the end surface of the hose 4 is contacted with the anti-falling rib 301 of the crimping sleeve 3, the rotating torque of the crimping sleeve 3 can be obviously increased; at this time, a gap may occur between the crimping sleeve positioning surface 201 of the inner bushing 2 and the right end surface of the crimping sleeve 3, and the right end surface of the inner bushing 2 is pressed to press the end of the crimping groove 203 of the inner bushing 2 into the inner hole of the hose 4, so as to eliminate the gap between the crimping sleeve positioning surface 201 of the inner bushing 2 and the right end surface of the crimping sleeve, ensure that the anti-falling rib 301 of the crimping sleeve 3 is smoothly embedded into the anti-falling groove 202 of the inner bushing 2 during crimping, and ensure the crimping length of the end portion of the hose 4 between the inner bushing 2 and the crimping sleeve 3.
The present invention is not described in detail in the prior art.
Claims (4)
1. The utility model provides an equipment technology of withhold hose nipple anti-drop structure which characterized by: comprises an outer sleeve nut (1), an inner bushing (2), a crimping sleeve (3) and a hose (4); one end of the outer sleeve nut (1) is provided with a flange with a through hole; the inner bushing (2) is a T-shaped hollow sleeve, an inner hole at the head part of the right side of the T-shaped hollow sleeve is conical, and the outer cylindrical surface of the tube body of the T-shaped sleeve is provided with a step-shaped crimping sleeve positioning surface (201), a ring-shaped anti-falling groove (202) and a plurality of inverted tooth-shaped crimping grooves (203); the head of the left side of the inner bushing (2) is arranged in a threaded hole of the outer bushing nut (1); the crimping sleeve (3) is a circular sleeve, a positioning flange with a through hole is arranged on the right end face of the crimping sleeve, an anti-falling flange (301) is arranged in an inner hole on the right side of the positioning flange, and a threaded crimping groove (302) is arranged in an inner hole on the left side of the anti-falling flange (301); the T-shaped sleeve pipe body of the inner bushing (2) is arranged in a hole of the crimping sleeve (3), a crimping sleeve positioning surface (201) of the inner bushing (2) is attached to a positioning flange of the crimping sleeve (3), and an anti-falling flange (301) of the crimping sleeve (3) is embedded into an anti-falling groove (202) of the inner bushing (2); the end part of the hose (4) is arranged in a ring groove formed by the inner lining (2) and the crimping sleeve (3);
the assembly process comprises the following steps: the head of the left side of the inner bushing (2) is arranged in the outer sleeve nut (1); inserting the end of the hose (4) into the screw press-fit groove (302) of the press-fit sleeve (3) in a rotating manner; after the end part of the hose (4) is inserted into the spiral pressing groove (302) of the pressing sleeve (3), the end part of the pressing groove (203) of the inner bushing (2) is pressed into the inner hole of the hose (4), and the pressing sleeve positioning surface (201) of the inner bushing (2) is attached to the right end surface of the pressing sleeve (3); rotating the crimping sleeve (3) until the rotating torque of the crimping sleeve (3) is greater than a set value; applying pressure to the right end face of the inner bushing (2), continuously pressing the end of a crimping groove (203) of the inner bushing (2) into an inner hole of the hose (4), and attaching a crimping bushing positioning surface (201) of the inner bushing (2) to the right end face of the crimping bushing (3); and buckling the pressing sleeve to complete the assembly of the buckling hose.
2. The assembling process of the anti-drop structure of the buckling hose connector according to claim 1, which is characterized in that: the anti-falling flange (301) of the crimping sleeve (3) is arranged in a sectional manner.
3. The assembling process of the anti-drop structure of the buckling hose connector according to claim 1, which is characterized in that: the screw pressing connection groove (302) of the pressing connection sleeve (3) is in a rectangular thread groove shape.
4. The assembling process of the anti-drop structure of the buckling hose connector according to claim 1, which is characterized in that: the screw pressing connection groove (302) of the pressing connection sleeve (3) is in the shape of a reversed tooth thread groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811438414.7A CN109578728B (en) | 2018-11-28 | 2018-11-28 | Assembling process of anti-drop structure of buckling hose connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811438414.7A CN109578728B (en) | 2018-11-28 | 2018-11-28 | Assembling process of anti-drop structure of buckling hose connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109578728A CN109578728A (en) | 2019-04-05 |
| CN109578728B true CN109578728B (en) | 2020-11-13 |
Family
ID=65924881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811438414.7A Active CN109578728B (en) | 2018-11-28 | 2018-11-28 | Assembling process of anti-drop structure of buckling hose connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578728B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2865094A (en) * | 1954-10-04 | 1958-12-23 | Resistoflex Corp | Method of securing a coupling to an end of a high temperature flexible hose |
| EP0267709B1 (en) * | 1986-11-06 | 1990-07-18 | Parker-Hannifin Corporation | Hose fitting, method and apparatus for assembly thereof |
| US7014218B2 (en) * | 2003-04-17 | 2006-03-21 | Parker-Hannifin | Universal fitting nipple |
| CN100398895C (en) * | 2006-06-29 | 2008-07-02 | 上海市塑料研究所 | Separating, insertion and fastening type metal connector for polytetrafluoroethylene hose assembly and assembling method thereof |
| US8888141B2 (en) * | 2009-10-30 | 2014-11-18 | Caterpillar Inc. | Fluid coupling assembly and method of manufacture |
| CN207921555U (en) * | 2018-01-26 | 2018-09-28 | 郑州赛福流体技术有限公司 | Work out hose buckling connector |
-
2018
- 2018-11-28 CN CN201811438414.7A patent/CN109578728B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109578728A (en) | 2019-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4944534A (en) | Frangible male coupling component | |
| CN212616854U (en) | Anti-dismantling joint and anti-dismantling joint assembly | |
| CN107218460A (en) | A kind of Quick connector of plug tube | |
| CN106402530A (en) | Reusable sealing connection structure | |
| CN109812630B (en) | Screw-type quick pipe fitting connector | |
| US20160201830A1 (en) | Bead seal and connection device comprising such a seal | |
| US2782059A (en) | Reuseable hose couplings | |
| CN110805761A (en) | Aviation high-pressure beam type pipe joint | |
| CN109578728B (en) | Assembling process of anti-drop structure of buckling hose connector | |
| CN202327418U (en) | Pipe union | |
| CN113374960A (en) | Pipeline connecting structure with angle compensation | |
| CN209892893U (en) | Screwing type quick pipe connector | |
| CN110043196B (en) | End face seal ring structure of external thread joint of oil well pipe | |
| CN207961221U (en) | A kind of stop nut and threaded connector | |
| US2428077A (en) | Locking tube fitting | |
| CN105006784A (en) | Corrugated hose sealing joint | |
| CN205895942U (en) | Cydariform tooth oil injection coupling | |
| CN201303112Y (en) | Plastic claw self-locking tail accessory of circular electric connector | |
| CN209991034U (en) | Joint for connecting corrugated pipe | |
| CN106287067A (en) | A kind of automobile brake hose joint of reinforced joint | |
| CN210693394U (en) | Anti-loosening strain clamp | |
| CN204664095U (en) | Be applicable to the anti-loose structure be threaded | |
| CN221258061U (en) | Nylon pipe with loose joint type plug for car | |
| CN211371527U (en) | Novel water pipe joint | |
| CN201090869Y (en) | Automobile power steering equipment coupling head |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |