CN103195993A - Connection structure of metal hard tubes of engine room - Google Patents
Connection structure of metal hard tubes of engine room Download PDFInfo
- Publication number
- CN103195993A CN103195993A CN2013100040930A CN201310004093A CN103195993A CN 103195993 A CN103195993 A CN 103195993A CN 2013100040930 A CN2013100040930 A CN 2013100040930A CN 201310004093 A CN201310004093 A CN 201310004093A CN 103195993 A CN103195993 A CN 103195993A
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- hard tube
- metal hard
- linkage structure
- conical surface
- inner conical
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Abstract
The invention discloses a connection structure of hard tubes of an engine room. The structure comprises metal hard tubes, wherein the metal hard tubes are truncated according to the structure of the engine room and are connected through a connecting piece; the connecting piece comprises a compaction structure; and the compaction structure comprises a compaction surface, an inner cone surface, and a flared port fitted with the inner cone surface and formed at one end of at least one of the hard tubes. The hard tubes are sectioned, and then are connected and assembled through hard tube connection structures, so that applicability of the hard tubes is improved; the problem that assembly is inconvenient or assembly cannot be performed when the hard tubes are longer is solved; and seal connection with sufficient tensile strength is formed between the hard tubes through the compaction structure, so that the problem that tensile strength is insufficient when connection is performed only by squeezing of a seal piece is solved.
Description
Technical field
The present invention relates to a kind of pipeline jointing construction, particularly relate to a kind of metallic hard pipe connecting structure of engine bin, this metal hard tube is copper pipe or aluminum pipe.
Background technique
In the pipeline circulation, the metal hard tube is the normal a kind of pipeline that uses.Because arrangement relation, the hard tube that pipeline recycles is longer, but when hard tube is longer, the inconvenient phenomenon that maybe can't assemble of assembling occurs, and whole section longer hard tube directly used and be restricted.Need will assemble by the hard tube linkage structure again after the hard tube segmentation, thereby improve the hard tube application.
Notification number is that the Chinese utility model patent of CN201964057U discloses a kind of metallic hard pipe joint with assembling adaptation function, pipe and nut are with being threaded, the nut inner hole design has an internal shoulder, the design of intermediate casing outer rim has an outer convex shoulder, one end end face and the endoporus of intermediate casing have designed an end face seal groove and endoporus sealed groove respectively, the internal shoulder of nut inner hole compresses the outer convex shoulder of intermediate casing, one end end face of intermediate casing is fixed on the pipe end face, hard tube inserts ips by intermediate casing, be provided with edge face sealing member between the end face of pipe end face and intermediate casing, be provided with the endoporus Sealing between intermediate casing endoporus and the hard tube external diameter.Because the technological scheme of this model utility adopts the extruding of Sealing that the metal hard tube is connected, join strength is relatively poor; More seriously, behind the Sealing ageing failure, the connection of metal hard tube was also lost efficacy simultaneously, as the pipeline that is applied in motor will cause serious accident in connecting.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of metallic hard pipe connecting structure of engine bin, it is by assembling by the hard tube linkage structure after the hard tube segmentation again, thereby improve the hard tube application, solve when hard tube is longer, the inconvenient problem that maybe can't assemble of assembling occurs.And, by the linkage structure that a conical surface compresses, make to form between the metal hard tube to possess being tightly connected of enough tensile strengths, solve and only adopt the extruding of Sealing to connect, the problem that its tensile strength is not enough.
Technological scheme of the present invention is: a kind of hard tube linkage structure of engine bin comprises the metal hard tube; Described metal hard tube is according to the brachymemma of cabin structure, and connects by a connection piece; Described link comprises a compressing structure, and described compressing structure comprises the horn mouth that an end is shaped and described inner conical surface is adaptive of a seal face, an inner conical surface and one of them metal hard tube.By will assembling by the hard tube linkage structure again after the hard tube segmentation, thereby improve the hard tube application, solve when hard tube is longer, the problem that the assembling inconvenience maybe can't be assembled occurs.And, by a compressing structure, make to form between the metal hard tube to possess being tightly connected of enough tensile strengths, solve and only adopt the extruding of Sealing to connect, the problem that its tensile strength is not enough.
As a kind of optimal technical scheme, described compressing structure comprises a connecting sleeve that is provided with described inner conical surface and a connecting head that is provided with described seal face; Wherein a metal hard tube preprocessing is fixed on the rear end of connecting head.Under situation with good conditionsi, as the plant produced line, by will be wherein a metal hard tube preprocessing be fixed on the rear end of connecting head, improved the line arrangement efficient of engine bin.
As a kind of optimal technical scheme, also comprise a middle casting die; Be respectively equipped with described seal face at the two ends of this centre casting die; A wherein end of two metal hard tubes is equipped with described horn mouth, and described middle casting die is positioned between two horn mouths.By middle casting die, when two horn mouths are connected with connecting sleeve when compressing at connecting head, seal face in the middle of making on the casting die is pressed on respectively on the inner conical surface in connecting head and the connecting sleeve, satisfying under metal hard tube connection sealing and the requirement of strength prerequisite, further improving the flexibility that the metal hard tube connects.Simultaneously, also omit a wherein metal hard tube preprocessing and be fixed on operation on the connecting head, improved installation efficiency.
In order further to improve the sealing effect that the metal hard tube connects, between described connecting sleeve and connecting head, also be provided with a seal ring.
In order to guarantee that horn mouth is connected with the effective of link, satisfy the required tensile strength of metallic hard pipe connecting structure, described bell-mouthed bus length is at least 1/2nd of described inner conical surface bus length.
Adopt technological scheme of the present invention, the one, improved the flexible arrangement of metal hard tube in the engine bin; The 2nd, improved the manufacturing efficiency that the metal hard tube is installed; The 3rd, improved the reliability of metallic hard pipe connecting structure.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention one.
Fig. 2 is the structural representation of the embodiment of the invention two.
Wherein, metal hard tube 1, horn mouth 101, connecting sleeve 2, inner conical surface 201, connecting head 3, middle casting die 4, seal face 5, seal ring 6, interior cone angle, compress cone angle beta.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Embodiment one
Referring to Fig. 1, a kind of hard tube linkage structure of engine bin comprises metal hard tube 1, connecting sleeve 2, connecting head 3 and the seal ring 6 of brachymemma.In connecting head 3 and connecting sleeve 2, be respectively equipped with mutually adaptive outside thread and internal thread, be provided with the driving structure of outer-hexagonal in connecting head 3 and connecting sleeve 2 outsides.Seal ring 6 is arranged between connecting head 3 and the connecting sleeve 2.In this connecting sleeve 2, be provided with an inner conical surface 201.This inner conical surface 201 is provided with an interior cone angle.The head end of this connecting head 3 is provided with a seal face 5, and in the present embodiment, this seal face 5 is a male cone (strobilus masculinus), be provided with one with the interior cone angle of inner conical surface 201 adaptive compress cone angle beta.Be processed into a horn mouth 101 at the wherein head end of a metal hard tube 1 that inserts connecting sleeve.The default rear end that is fixed on connecting head 3 of another metal hard tube that is connected.In the present embodiment this to compress cone angle beta identical with interior cone angle.But in other embodiments, this compresses cone angle beta less than interior cone angle, makes the inner of seal face 5 and horn mouth 101 compress and be pressed into this horn mouth 101 surfaces, improves the sealing effect of this horn mouth 101.In addition, the seal face 5 that utilizes this linkage structure also can be sphere, by the seal face 5 of this sphere, improves the centering ability of seal face 5 and horn mouth 101, can improve the sealing effect of linkage structure better.
During use, wherein a metal hard tube 1 passes connecting sleeve 2 earlier, and an end that passes with the band conical surface instrument be shaped to a horn mouth 101, make the cone angle of this horn mouth 101 be substantially equal to interior cone angle 201 in the connecting sleeve 2, seal ring 6 is set in through preprocessing is connected with on the connecting head 3 of another metal hard tube 1.Seal face 5 on the connecting head 3 is aimed at and is pressed on the horn mouth 101, and be threaded with connecting sleeve 2 and tighten, finish the connection of metal hard tube 1.
Embodiment two
Referring to Fig. 2, present embodiment is compared with embodiment one, casting die 4 in the middle of this linkage structure has increased by.And, in connecting head 3 and connecting sleeve 2, being equipped with an inner conical surface 201, this inner conical surface 201 is provided with cone angle in.Be two seal faces 5 at the two ends of middle casting die 4.These two seal faces 5 are a male cone (strobilus masculinus) in the present embodiment, are provided with one and compress cone angle beta.It is identical with interior cone angle in the present embodiment that this compresses cone angle beta.But in other embodiments, this compresses cone angle beta less than interior cone angle, makes the inner of seal face 5 and horn mouth 101 compress and be pressed into this horn mouth 101 surfaces, improves the sealing effect of this horn mouth 101.In addition, the seal face 5 that utilizes this linkage structure also can be sphere, by the seal face 5 of this sphere, improves the centering ability of seal face 5 and horn mouth 101, can improve the sealing effect of linkage structure better.The centre of this centre casting die 4 is a through hole, is used for being communicated with two and is connected metal hard tube 1.By this centre casting die 4, two metal hard tubes 1 that are connected are all connected by the horn mouth 101 in the head end setting, need not one of them metal hard tube 1 is fixed on the rear end of connecting head 3 by preprocessing, make the application of this linkage structure more convenient and flexible.
Specific embodiment is in order more to be expressly understood the present invention, not as a kind of restriction to right of the present invention, under the prerequisite that does not break away from aim of the present invention, various variations can be arranged, and all these will be included within the scope of this claim the apparent modification of described those skilled in the art.
Claims (9)
1. the hard tube linkage structure of an engine bin comprises metal hard tube (1); It is characterized in that: described metal hard tube (1) is according to the brachymemma of cabin structure, and connects by a connection piece; Described link comprises a compressing structure, and described compressing structure comprises the horn mouth (101) that an end is shaped and described inner conical surface (201) is adaptive of a seal face (5), an inner conical surface (201) and one of them metal hard tube (1).
2. linkage structure according to claim 1, it is characterized in that: described compressing structure comprises a connecting sleeve (2) that is provided with described inner conical surface (201) and a connecting head (3) that is provided with described seal face (5); Wherein metal hard tube (a 1) preprocessing is fixed on the rear end of connecting head (3).
3. linkage structure according to claim 1 is characterized in that: casting die (4) in the middle of also comprising; Be respectively equipped with described seal face (5) at the two ends of this centre casting die (4); A wherein end of two metal hard tubes (1) is equipped with described horn mouth (101), and described middle casting die (4) is positioned between two horn mouths (101).
4. linkage structure according to claim 2 is characterized in that: also be provided with a seal ring (6) between described connecting sleeve (2) and connecting head (3).
5. according to the arbitrary described linkage structure of claim 1～4, it is characterized in that: described inner conical surface (201) is provided with cone angle (α) in, and described seal face (5) is a male cone (strobilus masculinus) and is provided with one and compresses cone angle (β); The described cone angle (β) that compresses is equal to or less than described interior cone angle (α).
6. according to the arbitrary described linkage structure of claim 1～4, it is characterized in that: described seal face (5) is a sphere.
7. according to the arbitrary described linkage structure of claim 1～4, it is characterized in that: the bus length of described horn mouth (101) is at least 1/2nd of described inner conical surface (201) bus length.
8. linkage structure according to claim 5, it is characterized in that: the bus length of described horn mouth (101) is at least 1/2nd of described inner conical surface (201) bus length.
9. linkage structure according to claim 6, it is characterized in that: the bus length of described horn mouth (101) is at least 1/2nd of described inner conical surface (201) bus length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100040930A CN103195993A (en) | 2013-01-07 | 2013-01-07 | Connection structure of metal hard tubes of engine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100040930A CN103195993A (en) | 2013-01-07 | 2013-01-07 | Connection structure of metal hard tubes of engine room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103195993A true CN103195993A (en) | 2013-07-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100040930A Pending CN103195993A (en) | 2013-01-07 | 2013-01-07 | Connection structure of metal hard tubes of engine room |
Country Status (1)
| Country | Link |
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| CN (1) | CN103195993A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015127595A1 (en) * | 2014-02-26 | 2015-09-03 | 孙海潮 | Connecting pipe fitting for pipeline |
| CN109869549A (en) * | 2019-04-23 | 2019-06-11 | 中国工程物理研究院总体工程研究所 | A kind of detachable holding tube Hermetical connecting structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2189566A (en) * | 1937-12-30 | 1940-02-06 | Patex Sa | Coupling for tubes and pipes |
| US3715800A (en) * | 1969-12-16 | 1973-02-13 | Mueller Co | Method of making a coupling joint |
| CN2069521U (en) * | 1990-08-14 | 1991-01-16 | 北京市太阳能研究所 | Weldless bidirectional fastening deformation pipe joint |
| US5332267A (en) * | 1993-07-15 | 1994-07-26 | Harrison Donald G | Tube coupling |
| US20030047945A1 (en) * | 2001-09-11 | 2003-03-13 | Schroeder Fred Georg | Flare fitting assembly with metal-to-metal line seal |
| CN101025241A (en) * | 2007-03-28 | 2007-08-29 | 仲刚 | Non-welded copper-aluminium tube for air conditioner and mfg, method |
| US20090224537A1 (en) * | 2008-03-10 | 2009-09-10 | Ford Global Technologies, Llc | Brake tube end flare |
-
2013
- 2013-01-07 CN CN2013100040930A patent/CN103195993A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2189566A (en) * | 1937-12-30 | 1940-02-06 | Patex Sa | Coupling for tubes and pipes |
| US3715800A (en) * | 1969-12-16 | 1973-02-13 | Mueller Co | Method of making a coupling joint |
| CN2069521U (en) * | 1990-08-14 | 1991-01-16 | 北京市太阳能研究所 | Weldless bidirectional fastening deformation pipe joint |
| US5332267A (en) * | 1993-07-15 | 1994-07-26 | Harrison Donald G | Tube coupling |
| US20030047945A1 (en) * | 2001-09-11 | 2003-03-13 | Schroeder Fred Georg | Flare fitting assembly with metal-to-metal line seal |
| CN101025241A (en) * | 2007-03-28 | 2007-08-29 | 仲刚 | Non-welded copper-aluminium tube for air conditioner and mfg, method |
| US20090224537A1 (en) * | 2008-03-10 | 2009-09-10 | Ford Global Technologies, Llc | Brake tube end flare |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015127595A1 (en) * | 2014-02-26 | 2015-09-03 | 孙海潮 | Connecting pipe fitting for pipeline |
| CN109869549A (en) * | 2019-04-23 | 2019-06-11 | 中国工程物理研究院总体工程研究所 | A kind of detachable holding tube Hermetical connecting structure |
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Application publication date: 20130710 |