CN110985779A - Connecting structure for short connector in fuel cell system - Google Patents
Connecting structure for short connector in fuel cell system Download PDFInfo
- Publication number
- CN110985779A CN110985779A CN201911403691.9A CN201911403691A CN110985779A CN 110985779 A CN110985779 A CN 110985779A CN 201911403691 A CN201911403691 A CN 201911403691A CN 110985779 A CN110985779 A CN 110985779A
- Authority
- CN
- China
- Prior art keywords
- joint
- fuel cell
- cell system
- short
- clamping
- 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
- 239000000446 fuel Substances 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 49
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims 5
- 238000010168 coupling process Methods 0.000 claims 5
- 238000005859 coupling reaction Methods 0.000 claims 5
- 239000003292 glue Substances 0.000 abstract description 9
- 230000032683 aging Effects 0.000 abstract description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
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
- F16L21/00—Joints with sleeve or socket
- F16L21/08—Joints with sleeve or socket with additional locking means
-
- 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
-
- 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
- F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
- F16L33/225—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts a sleeve being movable axially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a connecting structure for a short joint in a fuel cell system, relates to the technical field of sealing connecting structures of vehicle fuel cell systems, and solves the technical problems of poor fastening degree and poor durability in the prior art. The sealing device comprises a first joint, a second joint and a sealing connecting piece, wherein the sealing connecting piece comprises an inner sleeve and an outer sleeve, an inserting groove is formed between the inner sleeve and the outer sleeve, the first joint is inserted in the inner sleeve, the second joint is inserted in the inserting groove, and a locking piece is arranged on the outer side of the sealing connecting piece. The invention has reasonable structure, reliable connection, good fastening degree, high durability and good sealing performance, can firmly connect two joints, and avoids the problem of glue aging which can occur after the glue is used.
Description
Technical Field
The present invention relates to the technical field of a sealing connection structure of a fuel cell system for a vehicle, and more particularly, to a connection structure for a short tab in a fuel cell system.
Background
The fuel cell system engine is a vehicle power system for a new energy automobile. The fuel cell system engine outputs energy to the outside by using an electrochemical reaction of fuel hydrogen and an oxidant. Fuel cell systems can be divided into hydrogen subsystems, air subsystems, and cooling water subsystems. The media flowing in the hydrogen subsystem and the air subsystem are gaseous hydrogen and oxygen respectively, so that the sealing performance and the connection reliability of the pipeline are very important. Due to the limitation of the layout space inside the automobile or the design problem of the parts, the connecting pipeline is usually connected by a short joint, i.e. a joint with a length less than 20 mm.
Most of the existing connection modes adopt a hose or a hard pipe which is directly sleeved in a short joint and then fixed by glue. It is often the case that the connection is not tightened to a high degree due to the length of the hose or wand being telescoped into the fitting being too short. In the using process, the phenomenon of local air leakage is easily caused due to the influence of mechanical vibration. Furthermore, the durability of the use is not high with the glue-assisted method. Mainly because the temperature of an air subsystem in the fuel cell system is about 80 ℃, the joint used for a long time at the temperature is easy to cause glue aging, so that the problem of air leakage or disconnection at the joint is caused.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and provides a connecting structure for a short joint in a fuel cell system, which can firmly connect two joints and has good sealing performance.
The technical scheme of the invention is as follows: the utility model provides a connection structure for short joint in fuel cell system, includes first joint and second joint, still includes sealing connecting piece, sealing connecting piece includes endotheca and overcoat, be equipped with a grafting groove between endotheca and the overcoat, first joint pegs graft in the endotheca, the second joint pegs graft in the grafting groove, sealing connecting piece's the outside is equipped with the retaining member.
In a further improvement, the inner sleeve is connected with the outer sleeve through a plurality of connectors.
Furthermore, the inner sleeve, the connector and the outer sleeve are of an integrated structure.
Furthermore, the second connector is inserted into the insertion groove through a clamping pipe, the clamping pipe comprises a plurality of clamping teeth which are arranged at intervals, grooves are formed in the clamping teeth corresponding to the connectors, the clamping teeth are inserted into the insertion groove, and the connectors are inserted into the grooves.
Furthermore, the end part of the latch is provided with a fastening piece which protrudes outwards, and the fastening piece is contacted with the end surface of the outer sleeve.
Furthermore, a bearing seat is arranged between the second joint and the clamping pipe, and the lower end face of the inner sleeve is in contact with the end face of the bearing seat.
Furthermore, the clamping pipe is provided with an adapter seat protruding outwards along the extension of the lower end of the outer sleeve, and the end face of the adapter seat is in contact with the end face of the outer sleeve.
Furthermore, a plurality of clamping grooves are formed in the inner wall of the inner sleeve, clamping pieces protruding outwards are arranged at the end portions of the first joints, and the clamping pieces are inserted into the clamping grooves.
Furthermore, the lower end of the inner sleeve is provided with a first positioning ring extending towards the interior of the inner sleeve.
Furthermore, the lower end of the outer sleeve is provided with a second positioning ring which extends outwards.
Advantageous effects
The invention has the advantages that:
1. the sealing connecting piece is divided into an inner sleeve layer and an outer sleeve layer, the first joint is inserted into the inner sleeve layer, the second joint is inserted between the inner sleeve layer and the outer sleeve layer, and then the locking piece is directly installed on the outer sleeve layer to be locked and sealed, so that the locking pressure of the joint is balanced, the fastening degree is high, the sealing performance is good, extra auxiliary fixtures such as glue are not needed, the problem of glue aging is avoided, and the sealing connecting piece is durable.
2. The second joint is inserted in the insertion groove through a clamping pipe provided with a plurality of clamping teeth, and the inner sleeve of the sealing connecting piece is clamped between the clamping teeth and the first joint to play a role in equalizing contraction force of the clamping teeth, so that the connection of the joint is reliable and the sealing performance is good. The tip of latch is equipped with outside convex fastener, and fastener is used for fixing a position sealing connection spare and second joint, and when the card pipe that connects on the second was pegged graft in sealing connection spare, the buckle connection that levels through the fastener of card pipe tip was on sealing connection spare's tip to make the second connect and sealing connection spare accurate steady link together. Be equipped with the recess on the latch corresponding with the connector, the recess is used for being connected with the connector cooperation, fixes a position sealing connecting piece, avoids sealing connecting piece and second to connect and takes place relative movement and influence the leakproofness of junction.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the connection structure of the present invention;
FIG. 3 is a schematic view of the sealing joint of the present invention;
fig. 4 is a schematic view of a second joint structure according to the present invention.
Wherein: 1-a first joint, 2-a second joint, 3-a sealing connecting piece, 4-a locking piece, 5-a clamping pipe, 6-a bearing seat, 7-an adaptive seat, 11-a clamping piece, 31-an inner sleeve, 32-an outer sleeve, 33-a plugging groove, 34-a connector, 51-a clamping tooth, 52-a fastening piece, 53-a groove, 311-a clamping groove, 312-a first positioning ring and 321-a second positioning ring.
Detailed Description
The invention is further described below with reference to examples, but not to be construed as being limited thereto, and any number of modifications which can be made by anyone within the scope of the claims are also within the scope of the claims.
Referring to fig. 1 to 4, a connection structure for a short tab in a fuel cell system according to the present invention includes a first tab 1 and a second tab 2; a sealing connection 3 is also included. The sealing connecting piece 3 comprises an inner sleeve 31 and an outer sleeve 32, an inserting groove 33 is formed between the inner sleeve 31 and the outer sleeve 32, the first joint 1 is inserted in the inner sleeve 31, the second joint 2 is inserted in the inserting groove 33, and a locking piece 4 is arranged on the outer side of the sealing connecting piece 3. Specifically, the locking member 4 is a hoop. The sealing connecting piece 3 of this embodiment is divided into two-layer 31 of endotheca and overcoat 32, inserts first joint 1 in endotheca 31 to insert second joint 2 between endotheca 31 and overcoat 32, the rethread hoop is direct installs and locks tightly to seal on overcoat 32, thereby makes junction locking pressure balanced, and fastening degree is high, sealing performance is good, does not need extra supplementary fixings such as use glue, has avoided the ageing problem of glue, durable.
The inner sleeve 31 of the present embodiment is connected to the outer sleeve 32 by a plurality of connectors 34. Specifically, the inner sleeve 31 and the outer sleeve 32 are connected through four connectors 34, which facilitates the connection of the sealing connector 3 and the two connectors, and improves the installation efficiency. In addition, the inner sleeve 31, the connecting head 34 and the outer sleeve 32 are of an integrated structure. Namely, the sealing connecting piece 3 comprising the inner sleeve 31, the connecting head 34 and the outer sleeve 32 is of an integrated structure, so that all parts in the sealing connecting piece 3 are connected more firmly and more durable.
The second connector 2 of the present embodiment is inserted into the insertion groove 33 through the locking tube 5. The clamping pipe 5 is an integrated pipe sleeve extending from the end of the second connector 2, and the shape and the size of the clamping pipe 5 are matched with the insertion groove 33, so that the sealing performance between the sealing connecting piece 3 and the second connector 2 is ensured. The latch tube 5 comprises a plurality of spaced latches 51, and the latches 51 are inserted into the insertion groove 33. The inner sleeve 31 of the sealing connecting piece 3 is clamped between the latch 51 of the latch pipe 5 and the first joint 1, and plays a role in uniformizing the contraction force of the latch 51. When the hoop is locked, the generated pressure can press the latch 51 to contract, and the contraction of the latch 51 applies pressure to the inner sleeve 31, so that the inner sleeve 31 is tightly attached to the first joint 1, thereby tightly locking the first joint 1 on the sealing connection member 3 and enabling the first joint 1 to be connected with the sealing connection member 3 in a sealing manner. The end of the latch 51 is provided with a fastener 52 projecting outward, and the fastener 52 is in contact with the end face of the jacket 32. The fastening member 52 is used for positioning the sealing connector 3 and the second connector 2, and when the clamping tube 5 on the second connector 2 is inserted into the sealing connector 3, the fastening member 52 at the end of the clamping tube 5 is smoothly fastened on the end of the sealing connector 3, so that the second connector 2 and the sealing connector 3 are accurately and smoothly connected together. The latch 51 corresponding to the connector 34 is provided with a groove 53, and the connector 34 is inserted into the groove 53. The groove 53 is used for being matched and connected with the connector 34 to position the sealing connecting piece 3, so that the sealing performance of the joint is prevented from being influenced by relative movement of the sealing connecting piece 3 and the second connector 2.
A bearing seat 6 is arranged between the second joint 2 and the clamping tube 5, and the lower end surface of the inner sleeve 31 is contacted with the end surface of the bearing seat 6. The bearing seat 6 can support and position the inner sleeve 31 on one hand, and on the other hand, the contact area between the inner sleeve 31 and the second joint 2 is greatly increased, so that the joint between the inner sleeve 31 and the second joint 2 can be better sealed. The clamping tube 5 is provided with an adapter 7 protruding outwards along the lower end of the outer sleeve 32, and the end surface of the adapter 7 is in contact with the end surface of the outer sleeve 32. The adaptation seat 7 can support the location to overcoat 32, also makes the hoop better lock overcoat 32 simultaneously, avoids its relative displacement and the phenomenon of landing.
A plurality of locking slots 311 are arranged on the inner wall of the inner sleeve 31 of the embodiment, the end part of the first joint 1 is provided with a clamping piece 11 protruding outwards, and the clamping piece 11 is inserted into the locking slots 311. Specifically, the clamping groove 311 is uniformly and continuously arranged on the inner wall of the inner sleeve 31, and when the clamping member 11 is inserted into the clamping groove 311, the rim of the clamping groove 311 abuts against the outer wall of the first joint 1, so as to further seal the joint between the inner sleeve 31 and the first joint 1. Further, the lower end of the inner sleeve 31 is provided with a first positioning ring 312 extending toward the inside thereof. That is, the inner diameter of the first positioning ring 312 is smaller than the inner diameter of the inner sleeve 31, and the first positioning ring 312 of the present embodiment is vertically disposed at the lower end of the inner sleeve 31, the lower end surface thereof is contacted with the end surface of the bearing seat 6, and the upper end surface thereof is contacted with the lower end surface of the clamping member 11. The first positioning ring 312 is used for supporting and positioning the first joint 1, so as to prevent the first joint 1 from sliding into the second joint 2, thereby improving the reliability of the connection structure.
The lower end of the outer sleeve 32 of this embodiment is provided with a second positioning ring 321 extending outwardly. The second positioning ring 321 is used for positioning the hoop, so that relative movement between the hoop and the jacket 32 in the using process is further avoided, and the connection reliability of the connection structure is greatly improved.
The working principle of the invention is as follows: when in use, the first joint 1 is firstly inserted into the inner sleeve 31, and the clamping member 11 of the first joint 1 is contacted with the first positioning ring 312 in the inner sleeve 31; inserting the clamping tube 5 on the second joint 2 into the insertion groove 33 formed by the inner sleeve 31 and the outer sleeve 32, inserting the joint 34 into the groove 53 on the clamping tube 5, and making the fastening piece 52 on the clamping tube 5 flatly contact with the end face of the outer sleeve 32; finally, the locking piece 4 is accurately arranged on the outer sleeve 32, and the joint is locked, so that the first connector 1 and the second connector 2 are tightly and hermetically connected.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the invention, which will not affect the effect of the invention and the practicability of the patent.
Claims (10)
1. The utility model provides a connection structure for short joint in fuel cell system, includes first joint (1) and second joint (2), its characterized in that, still includes sealing connecting piece (3), sealing connecting piece (3) include endotheca (31) and overcoat (32), be equipped with a grafting groove (33) between endotheca (31) and overcoat (32), first joint (1) is pegged graft in endotheca (31), second joint (2) are pegged graft in grafting groove (33), sealing connecting piece (3)'s the outside is equipped with retaining member (4).
2. A coupling structure for a short terminal in a fuel cell system according to claim 1, wherein the inner case (31) is coupled to the outer case (32) by a plurality of coupling heads (34).
3. A connection structure for a short terminal in a fuel cell system according to claim 2, wherein the inner case (31), the connection head (34) and the outer case (32) are of an integrated structure.
4. A connection structure for short connectors in a fuel cell system according to claim 2 or 3, wherein the second connector (2) is inserted into the insertion groove (33) through a clamping tube (5), the clamping tube (5) comprises a plurality of clamping teeth (51) arranged at intervals, a groove (53) is arranged on the clamping tooth (51) corresponding to the connecting head (34), the clamping tooth (51) is inserted into the insertion groove (33), and the connecting head (34) is inserted into the groove (53).
5. A connecting structure for a short terminal in a fuel cell system according to claim 4, wherein the end of said latch (51) is provided with a fastening member (52) projecting outward, and said fastening member (52) is in contact with the end face of the outer sheath (32).
6. A connection structure for a short terminal in a fuel cell system according to claim 4, wherein a bearing seat (6) is provided between the second terminal (2) and the clamp tube (5), and a lower end surface of the inner sleeve (31) is in contact with an end surface of the bearing seat (6).
7. A connection structure for a short terminal in a fuel cell system according to claim 4, wherein said snap pipe (5) is provided with an outwardly protruding fitting seat (7) extending along the lower end of the outer sheath (32), and the end surface of said fitting seat (7) is in contact with the end surface of the outer sheath (32).
8. A coupling structure for a short connector in a fuel cell system according to any one of claims 1 to 3, wherein a plurality of catching grooves (311) are formed on an inner wall of the inner housing (31), and the end of the first connector (1) is provided with a catching member (11) protruding outward, and the catching member (11) is caught in the catching grooves (311).
9. A coupling structure for a short terminal in a fuel cell system according to any one of claims 1 to 3, wherein a lower end of the inner housing (31) is provided with a first positioning ring (312) extending inwardly thereof.
10. A coupling structure for a short terminal in a fuel cell system according to any one of claims 1 to 3, wherein the lower end of the outer casing (32) is provided with a second positioning ring (321) extending outwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911403691.9A CN110985779B (en) | 2019-12-31 | 2019-12-31 | Connection structure for short joint in fuel cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911403691.9A CN110985779B (en) | 2019-12-31 | 2019-12-31 | Connection structure for short joint in fuel cell system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110985779A true CN110985779A (en) | 2020-04-10 |
| CN110985779B CN110985779B (en) | 2024-02-09 |
Family
ID=70079338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911403691.9A Active CN110985779B (en) | 2019-12-31 | 2019-12-31 | Connection structure for short joint in fuel cell system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110985779B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007321885A (en) * | 2006-06-01 | 2007-12-13 | Mirai Ind Co Ltd | Connection structure of double-walled pipe to coupling |
| CN102563261A (en) * | 2012-03-13 | 2012-07-11 | 苏州新凌高强度紧固件有限公司 | Connection joint of hard tube and hose |
| WO2013166667A1 (en) * | 2012-05-09 | 2013-11-14 | Ge Wenyu | A slide locking pipe for tubes connection |
| CN204267926U (en) * | 2014-12-08 | 2015-04-15 | 江西华工新型建材有限公司 | Sound detecting pipe pushing-inserting type joint |
| CN105135116A (en) * | 2015-08-09 | 2015-12-09 | 中国船舶重工集团公司第七一二研究所青岛研究所 | Hose connecting device |
| CN107061909A (en) * | 2017-02-20 | 2017-08-18 | 东莞市迈泰热传科技有限公司 | A kind of joint design |
| CN209164849U (en) * | 2018-12-14 | 2019-07-26 | 厦门亿家美卫浴有限公司 | A kind of antiwind connector of shower and hose |
| CN211398872U (en) * | 2019-12-31 | 2020-09-01 | 广西玉柴机器股份有限公司 | Connecting structure for short connector in fuel cell system |
-
2019
- 2019-12-31 CN CN201911403691.9A patent/CN110985779B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007321885A (en) * | 2006-06-01 | 2007-12-13 | Mirai Ind Co Ltd | Connection structure of double-walled pipe to coupling |
| CN102563261A (en) * | 2012-03-13 | 2012-07-11 | 苏州新凌高强度紧固件有限公司 | Connection joint of hard tube and hose |
| WO2013166667A1 (en) * | 2012-05-09 | 2013-11-14 | Ge Wenyu | A slide locking pipe for tubes connection |
| CN204267926U (en) * | 2014-12-08 | 2015-04-15 | 江西华工新型建材有限公司 | Sound detecting pipe pushing-inserting type joint |
| CN105135116A (en) * | 2015-08-09 | 2015-12-09 | 中国船舶重工集团公司第七一二研究所青岛研究所 | Hose connecting device |
| CN107061909A (en) * | 2017-02-20 | 2017-08-18 | 东莞市迈泰热传科技有限公司 | A kind of joint design |
| CN209164849U (en) * | 2018-12-14 | 2019-07-26 | 厦门亿家美卫浴有限公司 | A kind of antiwind connector of shower and hose |
| CN211398872U (en) * | 2019-12-31 | 2020-09-01 | 广西玉柴机器股份有限公司 | Connecting structure for short connector in fuel cell system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110985779B (en) | 2024-02-09 |
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