CN114673846B - Hydraulic hose joint - Google Patents
Hydraulic hose joint Download PDFInfo
- Publication number
- CN114673846B CN114673846B CN202210317665.XA CN202210317665A CN114673846B CN 114673846 B CN114673846 B CN 114673846B CN 202210317665 A CN202210317665 A CN 202210317665A CN 114673846 B CN114673846 B CN 114673846B
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- CN
- China
- Prior art keywords
- piece
- buckling
- threaded
- hose
- connecting piece
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/20—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members
- F16L33/207—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose
- F16L33/2071—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member
- F16L33/2073—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member directly connected to the rigid member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/18—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses characterised by the use of additional sealing means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Joints That Cut Off Fluids, And Hose Joints (AREA)
Abstract
The invention belongs to the technical field of hose connectors, in particular to a hydraulic hose connector which comprises a hose, a threaded sleeve pressing part, a buckling connecting piece and an anti-drop nut, wherein the buckling connecting piece is in threaded fit with the threaded sleeve pressing part, the hose is buckled and clamped between the threaded sleeve pressing part and the buckling connecting piece, meanwhile, the connecting end face of the threaded sleeve pressing part and the buckling connecting piece is tightly attached to the side end face of an annular colloid anti-drop piece in a separation cavity, and the buckling connecting piece is provided with a buckling inclined face matched with the connecting end of the hose. According to the invention, the threaded sleeve pressing piece and the buckling connecting piece can be subjected to secondary anti-falling fixation through the anti-falling nut, the combination degree of the hose connecting end, the threaded sleeve pressing piece and the buckling connecting piece is improved through the arrangement of the annular colloid anti-falling piece, and the thickness of the connecting end of the hose can be graded along with the increasing of the contact area of the threaded sleeve pressing piece and the buckling connecting piece through arranging the buckling inclined surface on the buckling connecting piece, so that the purpose of improving the anti-hose falling effect is achieved.
Description
Technical Field
The invention relates to the technical field of hose connectors, in particular to a hydraulic hose connector.
Background
The hydraulic hose is divided into a steel wire braided hydraulic hose, a steel wire wound hydraulic hose and the like, and mainly comprises a liquid-resistant synthetic rubber inner adhesive layer, a middle adhesive layer, a plurality of reinforcing layers and a weather-resistant synthetic rubber outer adhesive layer, and the hydraulic hose is connected with hydraulic equipment through a hose joint when in use.
The working device can generate a large-amplitude relative motion in the working process of the hydraulic equipment, the existing hydraulic hose connector commonly adopts a buckling connection structure, the connection reliability of the connection structure is poor, the connection strength is low, the hose is easy to fall off from the connection end under the vibration environment, or the hose is loose to cause oil leakage from the gap of the connection end.
We therefore propose a hydraulic hose connector to solve the above problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a hydraulic hose connector, which solves the problems that the existing hydraulic hose connector commonly adopts a buckling connection structure, the connection reliability of the connection structure is poor, the connection strength is low, and the hose is easy to fall off from a connection end under a vibration environment or the hose loosens to cause oil leakage from a gap of the connection end.
The invention adopts the following technical scheme for realizing the purposes:
a hydraulic hose fitting, the hydraulic hose fitting comprising:
the outer wall of the connecting end of the hose is provided with an annular colloid anti-drop piece;
the thread sleeving part is sleeved on the hose, a first external thread is arranged on the outer surface of the thread sleeving part, and a first internal thread is arranged on the inner surface of the thread sleeving part;
the outer surface of the buckling connecting piece is provided with a second external thread which is in butt joint with the first internal thread, the outer surface of the buckling connecting piece is also provided with a third external thread, a separation cavity which is matched with the annular colloid anti-drop piece is formed between the threaded jacketing piece and the connecting end of the buckling connecting piece, a hose is buckled and clamped between the threaded jacketing piece and the buckling connecting piece, meanwhile, the connecting end surface of the threaded jacketing piece and the buckling connecting piece is tightly attached to the side end surface of the annular colloid anti-drop piece in the separation cavity, the buckling connecting piece is provided with a buckling inclined surface which is matched with the connecting end of the hose, and the thickness of the connecting end of the hose is gradually decreased along with the increasing of the contact area of the threaded jacketing piece and the buckling connecting piece, so that the thickness of the part of the hose, which is closer to the pipe end, is smaller;
the anti-drop nut is in threaded connection with the third external thread of the buckling connecting piece and is used for carrying out secondary anti-drop fixation between the threaded sleeve pressing piece and the buckling connecting piece after the threaded sleeve pressing piece is fixedly connected with the buckling connecting piece.
Further, withhold the connecting piece and include connecting seat, threaded connection section and withhold the pipeline section, connecting seat, threaded connection section and withhold pipeline section integrated into one piece, the second external screw thread sets up on the threaded connection section, the threaded connection section is used for carrying out threaded connection with the screw thread cover pressure piece, withhold the inclined plane and be located the outer wall of withhold the pipeline section, the hose withhold in withhold the intracavity by threaded connection section, withhold pipeline section and screw thread cover pressure piece constitution, the side terminal surface of annular colloid anticreep piece and the contact of the end wall of threaded connection section.
Further, a connecting groove is formed in the inner wall of the connecting seat, and an internal connecting thread is formed in the groove wall of the connecting groove.
Further, a sealing ring is arranged in the buckling cavity, and after the threaded sleeve pressing piece is fixedly connected with the buckling connecting piece, the connecting end part of the hose is tightly attached to the surface of the sealing ring.
Further, the included angle between the buckling inclined plane and the horizontal plane is 0.5-2 degrees.
Further, the annular colloid anticreep piece is connected with the hose is integrative, be equipped with first inner groovy and second inner groovy respectively on the left and right sides terminal surface of annular colloid anticreep piece, threaded connection section corresponds with on the screw thread sleeve casting piece and is equipped with first anticreep protruding piece and the second anticreep protruding piece with first inner groovy and second inner groovy looks adaptation.
Compared with the prior art, the invention provides a hydraulic hose joint, which has the following beneficial effects:
according to the invention, the hose can be buckled and fixed between the buckling connecting piece and the threaded buckling connecting piece through the matching among the threaded buckling connecting piece, the hose, the buckling connecting piece and the anti-drop nut, and after the threaded buckling connecting piece is connected and fixed with the buckling connecting piece, the threaded buckling connecting piece and the buckling connecting piece are subjected to secondary anti-drop fixation through the anti-drop nut, so that the threaded buckling connecting piece is effectively prevented from falling off, the connecting strength is high, and the connecting structure is more stable.
According to the invention, the annular colloid anti-falling part is arranged on the hose, and the tight fit of the annular colloid anti-falling part, the threaded sleeve pressing part and the buckling connecting part improves the combination degree of the hose connecting end, the threaded sleeve pressing part and the buckling connecting part, so that the hose is not easy to fall off.
According to the invention, the buckling inclined surface is arranged on the buckling connecting piece, so that the thickness of the connecting end of the hose is gradually decreased along with the increasing of the contact area of the threaded sleeve pressing piece and the buckling connecting piece, the thickness of the part of the hose, which is closer to the pipe end, is smaller, the hose can be tightly pressed in the buckling cavity between the threaded sleeve pressing piece and the buckling connecting piece, and the aim of improving the anti-falling effect of the hose is fulfilled.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of a hose according to the present invention;
fig. 4 is a schematic view of the location of the crimping cavity in the present invention.
In the figure: 1. a hose; 2. a threaded sleeve pressing piece; 3. buckling the connecting piece; 301. a connecting seat; 302. a threaded connection section; 303. buckling and pressing the pipe section; 4. an annular gum drop-off prevention member; 5. a drop-proof nut; 6. buckling and pressing the inclined plane; 7. a buckling cavity; 8. a connecting groove; 9. a seal ring; 10. a first inner groove; 11. a second inner groove; 12. a first anti-falling protruding block; 13. a second anti-falling protruding block; 14. a first external thread; 15. and a second external thread.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
As shown in fig. 1 to 4, a hydraulic hose connector according to an embodiment of the present invention includes a hose 1, a threaded sleeve member 2, a crimping connector 3, and a drop-preventing nut 5, which is specifically as follows:
the outer wall of the connecting end of the hose 1 is provided with an annular colloid anti-falling piece 4; the annular colloid anticreep piece 4 mainly can play hose 1 anticreep effect, because the anticreep piece can buckle at hose 1 and connect and take place to warp the in-process and produce certain deformation along with it, for preventing anticreep piece parallel damage, consequently adopt the material of rubber or silica gel to make anticreep piece to can not lead to anticreep piece structural damage when hose 1 link takes place to warp.
The thread sleeving part 2 is sleeved on the connecting end of the hose 1 in advance in assembly, and the outer surface of the thread sleeving part 2 is provided with a first external thread 14.
The buckling connecting piece 3 is in threaded fit with the threaded sleeving piece 2, a second external thread 15 which is in butt joint with the first internal thread is arranged on the outer surface of the buckling connecting piece 3, a third external thread is further arranged on the outer surface of the buckling connecting piece 3, the outer diameters of the second external threads 15 which are in butt joint with the first external thread 14 are the same, a separation cavity 5 which is matched with the annular colloid anti-falling piece 4 is formed between the threaded sleeving piece 2 and the connecting end of the buckling connecting piece 3, the hose 1 is buckled and clamped between the threaded sleeving piece 2 and the buckling connecting piece 3, meanwhile, the connecting end face of the threaded sleeving piece 2 and the side end face of the annular colloid anti-falling piece 4 which is positioned in the separation cavity 5 are tightly attached, and after the buckling connecting piece 3 is in threaded connection with the threaded sleeving piece 2, the annular colloid anti-falling piece 4 is positioned in the separation cavity 5, and the annular colloid anti-falling piece 4 can play a role in preventing the hose 1 from falling at the moment; the buckling and pressing connecting piece 3 is provided with the buckling and pressing inclined surface 6 which is matched with the connecting end of the hose 1, the thickness of the connecting end of the hose 1 gradually decreases along with the increasing of the contact area of the threaded sleeve pressing piece 2 and the buckling and pressing connecting piece 3, so that the thickness of the part of the hose 1, which is closer to the pipe end, is smaller, the connecting end of the hose 1 can be tightly combined with the combining surface of the buckling and pressing connecting piece 3 and the threaded sleeve pressing piece 2 through the structural design, and the anti-falling effect is better.
The anti-drop nut 5 is in threaded connection with the third external thread of the buckling connecting piece 3, and is used for carrying out secondary anti-drop fixation between the threaded sleeve pressing piece 2 and the buckling connecting piece 3 after the threaded sleeve pressing piece 2 is fixedly connected with the buckling connecting piece 3 and is in threaded connection with the first external thread 14 of the threaded sleeve pressing piece 2 and the third external thread of the buckling connecting piece 3; the initial position of the anti-drop nut 5 is on the second external thread 15 of the buckling connecting piece 3, so that the radial length of the second external thread 15 is at least twice that of the anti-drop nut 5, and after the anti-drop nut 5 is used for carrying out secondary connection fixation on the threaded sleeve pressing piece 2 and the buckling connecting piece 3, the threaded sleeve pressing piece 2 can be prevented from falling off from the buckling connecting piece 3 due to factors such as vibration, so that the connection strength is higher, and the connection is more stable and reliable.
As shown in fig. 2, in some embodiments, the buckling connection piece 3 includes a connection seat 301, a threaded connection section 302 and a buckling pipe section 303, the connection seat 301, the threaded connection section 302 and the buckling pipe section 303 are integrally connected, the second external thread 15 is disposed on the threaded connection section 302, the threaded connection section 302 is used for being in threaded connection with the threaded sleeve pressing piece 2, the buckling inclined surface 6 is located on the outer wall of the buckling pipe section 303, the hose 1 is buckled in a buckling cavity 7 formed by the threaded connection section 302, the buckling pipe section 303 and the threaded sleeve pressing piece 2, and the location of the buckling cavity 7 is shown in fig. 4; the side end face of the annular colloid anti-drop piece 4 is in contact with the end wall of the threaded connection section 302, and the thickness of the buckling cavity 7 is smaller than that of the hose 1 because the buckling inclined surface 6 has a certain inclination, when the hose 1 is buckled, the larger the contact area between the threaded jacketing piece 2 and the threaded connection section 302 is, the larger the pressure on the hose 1 is, and after the threaded jacketing piece 2 is fully connected and fixed with the threaded connection section 302, the hose 1 can be tightly pressed in the buckling cavity 7, so that the hose 1 is ensured not to drop.
As shown in fig. 1, in some embodiments, a connecting groove 8 is formed on the inner wall of the connecting seat 301, and an internal connecting thread is formed on the groove wall of the connecting groove 8; through set up spread groove 8 on the connecting seat 301 inner wall, the thickness phase-match of this spread groove 8 and the pipeline that waits to be connected or connecting end thickness makes and waits to connect pipeline or connecting end internal diameter and connecting seat 301 unanimous, adopts threaded connection mode to make hose 1 and wait to connect pipeline or connecting end to be connected more convenient.
As shown in fig. 1 and 2, in some embodiments, a sealing ring 9 is arranged in the buckling cavity 7, and after the threaded sleeve pressing piece 2 is fixedly connected with the buckling connecting piece 3, the connecting end part of the hose 1 is tightly attached to the surface of the sealing ring 9; through setting up sealing washer 9 in withholding chamber 7, withhold the connecting piece 3 at screw thread sleeve casting die 2 and be connected fixedly after, make hose 1 and threaded connection section 302 and screw thread sleeve casting die 2 link between form seal structure, improved the leakproofness of hose 1 link, can avoid causing fluid to leak.
As shown in fig. 1, in some embodiments, the angle between the crimping ramp 6 and the horizontal is 0.5-2 °; the inclination angle of the buckling inclined plane 6 is limited to be between 0.5 and 2 degrees, so that the hose 1 is prevented from being broken due to the overlarge inclination angle of the buckling inclined plane 6, and the inclination angle of the buckling inclined plane 6 is limited to be between 0.5 and 2 degrees through multiple tests, so that the anti-drop property of a joint of the hose 1 can be improved, and the hose 1 is prevented from being damaged.
As shown in fig. 3, in some embodiments, the annular gum anti-falling member 4 is integrally connected with the hose 1, the left and right side end surfaces of the annular gum anti-falling member 4 are respectively provided with a first inner groove 10 and a second inner groove 11, and the threaded connection section 302 and the threaded sleeve member 2 are correspondingly provided with a first anti-falling protruding block 12 and a second anti-falling protruding block 13 which are matched with the first inner groove 10 and the second inner groove 11; through setting up first inner groovy 10 and second inner groovy 11 on annular colloid anticreep spare 4, set up first anticreep protruding piece 12 and second anticreep protruding piece 13 on threaded connection section 302 and threaded sleeve casting piece 2, after threaded sleeve casting piece 2 is connected fixedly with withholding connecting piece 3, through the cooperation of first anticreep protruding piece 12 and second anticreep protruding piece 13 and first inner groovy 10 and second inner groovy 11, can increase the area of contact between threaded connection section 302 and threaded sleeve casting piece 2 and the annular colloid anticreep spare 4, make annular colloid anticreep spare 4 and threaded connection section 302 and threaded sleeve casting piece 2 combine more closely, thereby further promote anticreep effect.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A hydraulic hose connector, characterized by: the hydraulic hose connector includes:
the outer wall of the connecting end of the hose (1) is provided with an annular colloid anti-falling piece (4);
the thread sleeving part (2) is sleeved on the hose (1), a first external thread (14) is arranged on the outer surface of the thread sleeving part (2), and a first internal thread is arranged on the inner surface of the thread sleeving part;
the buckling connecting piece (3) is in threaded fit with the threaded sleeving piece (2), a second external thread (15) which is in butt joint with the first internal thread is arranged on the outer surface of the buckling connecting piece (3), a third external thread is further arranged on the outer surface of the buckling connecting piece (3), a separation cavity (5) which is matched with the annular colloid anti-falling piece (4) is formed between the threaded sleeving piece (2) and the connecting end of the buckling connecting piece (3), the hose (1) is buckled and clamped between the threaded sleeving piece (2) and the buckling connecting piece (3), meanwhile, the connecting end face of the threaded sleeving piece (2) and the side end face of the annular colloid anti-falling piece (4) which is positioned in the separation cavity (5) are clung, the buckling connecting piece (3) is provided with a buckling inclined face (6) which is matched with the connecting end of the hose (1), and the thickness of the connecting end of the hose (1) is gradually reduced along with the increasing contact area of the threaded sleeving piece (2) and the buckling connecting piece (3);
the buckling connecting piece (3) comprises a connecting seat (301), a threaded connecting section (302) and a buckling pipe section (303), the connecting seat (301), the threaded connecting section (302) and the buckling pipe section (303) are integrally connected, the second external thread (15) is arranged on the threaded connecting section (302), the threaded connecting section (302) is used for being in threaded connection with the threaded sleeving piece (2), the buckling inclined surface (6) is positioned on the outer wall of the buckling pipe section (303), the hose (1) is buckled in a buckling cavity (7) formed by the threaded connecting section (302), the buckling pipe section (303) and the threaded sleeving piece (2), and the side end face of the annular colloid anti-falling piece (4) is in contact with the end wall of the threaded connecting section (302);
the anti-drop nut (5) is in threaded connection with the third external thread of the buckling connecting piece (3) and is used for carrying out secondary anti-drop fixation between the threaded sleeving piece (2) and the buckling connecting piece (3) after the threaded sleeving piece (2) is fixedly connected with the buckling connecting piece (3) and is in threaded connection with the first external thread (14) of the threaded sleeving piece (2) and the third external thread of the buckling connecting piece (3).
2. A hydraulic hose coupling according to claim 1, wherein: the connecting seat (301) is characterized in that a connecting groove (8) is formed in the inner wall of the connecting seat, and an internal connecting thread is formed in the groove wall of the connecting groove (8).
3. A hydraulic hose coupling according to claim 1, wherein: the buckling cavity (7) is internally provided with a sealing ring (9), and after the threaded sleeve pressing piece (2) is fixedly connected with the buckling connecting piece (3), the connecting end part of the hose (1) is tightly attached to the surface of the sealing ring (9).
4. A hydraulic hose coupling according to claim 1, wherein: the included angle between the buckling inclined plane (6) and the horizontal plane is 0.5-2 degrees.
5. A hydraulic hose coupling according to claim 1, wherein: the annular colloid anticreep spare (4) is connected with hose (1) an organic whole, be equipped with first inner groovy (10) and second inner groovy (11) on the left and right sides terminal surface of annular colloid anticreep spare (4) respectively, threaded connection section (302) are equipped with first anticreep boss (12) and second anticreep boss (13) with first inner groovy (10) and second inner groovy (11) looks adaptation on thread bush casting die (2) correspondingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210317665.XA CN114673846B (en) | 2022-03-29 | 2022-03-29 | Hydraulic hose joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210317665.XA CN114673846B (en) | 2022-03-29 | 2022-03-29 | Hydraulic hose joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114673846A CN114673846A (en) | 2022-06-28 |
| CN114673846B true CN114673846B (en) | 2023-08-04 |
Family
ID=82075495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210317665.XA Active CN114673846B (en) | 2022-03-29 | 2022-03-29 | Hydraulic hose joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114673846B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE676831A (en) * | 1965-02-23 | 1966-08-22 | ||
| JP2008019980A (en) * | 2006-07-13 | 2008-01-31 | Mizuho Giken Sangyo:Kk | Hose connection pipe joint |
| DE202010010500U1 (en) * | 2010-07-26 | 2010-10-28 | Silag Handel Ag | Hose connection with coupling and water stop |
| CN203215153U (en) * | 2013-03-28 | 2013-09-25 | 三一重型装备有限公司 | Withhold type hose joint, rubber tube assembly and engineering machinery |
| CN204493951U (en) * | 2014-07-18 | 2015-07-22 | 纽珀有限公司 | Hose coupling |
| CN207906644U (en) * | 2018-01-05 | 2018-09-25 | 泉州洁通管业有限公司 | A kind of hose of connecting sprinkler |
| CN208935616U (en) * | 2018-10-17 | 2019-06-04 | 杭州万全金属软管有限公司 | A kind of anti-electrical breakdown socket attachment device of combustion gas stainless steel corrugated flexible hose |
| CN212537066U (en) * | 2020-04-20 | 2021-02-12 | 安徽士必达液压器材有限公司 | Hose coupling for hydraulic system |
| CN112963642A (en) * | 2021-03-22 | 2021-06-15 | 安徽宝立华机械设备有限公司 | Adjustable hydraulic hose connector |
| CN113389955A (en) * | 2021-06-22 | 2021-09-14 | 晋江爱家制冷设备有限公司 | Anti-drop quick-screwing joint for pipeline |
| CN214579453U (en) * | 2021-01-05 | 2021-11-02 | 深圳市前海安雷科技有限公司 | High-reliability movable nut joint convenient to connect |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3692296A1 (en) * | 2017-10-06 | 2020-08-12 | Parker-Hannificn Corporation | Enhanced hose fitting and method of assembly |
-
2022
- 2022-03-29 CN CN202210317665.XA patent/CN114673846B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE676831A (en) * | 1965-02-23 | 1966-08-22 | ||
| JP2008019980A (en) * | 2006-07-13 | 2008-01-31 | Mizuho Giken Sangyo:Kk | Hose connection pipe joint |
| DE202010010500U1 (en) * | 2010-07-26 | 2010-10-28 | Silag Handel Ag | Hose connection with coupling and water stop |
| CN203215153U (en) * | 2013-03-28 | 2013-09-25 | 三一重型装备有限公司 | Withhold type hose joint, rubber tube assembly and engineering machinery |
| CN204493951U (en) * | 2014-07-18 | 2015-07-22 | 纽珀有限公司 | Hose coupling |
| CN207906644U (en) * | 2018-01-05 | 2018-09-25 | 泉州洁通管业有限公司 | A kind of hose of connecting sprinkler |
| CN208935616U (en) * | 2018-10-17 | 2019-06-04 | 杭州万全金属软管有限公司 | A kind of anti-electrical breakdown socket attachment device of combustion gas stainless steel corrugated flexible hose |
| CN212537066U (en) * | 2020-04-20 | 2021-02-12 | 安徽士必达液压器材有限公司 | Hose coupling for hydraulic system |
| CN214579453U (en) * | 2021-01-05 | 2021-11-02 | 深圳市前海安雷科技有限公司 | High-reliability movable nut joint convenient to connect |
| CN112963642A (en) * | 2021-03-22 | 2021-06-15 | 安徽宝立华机械设备有限公司 | Adjustable hydraulic hose connector |
| CN113389955A (en) * | 2021-06-22 | 2021-09-14 | 晋江爱家制冷设备有限公司 | Anti-drop quick-screwing joint for pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114673846A (en) | 2022-06-28 |
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