CN205065112U - Pipe connection - Google Patents
Pipe connection Download PDFInfo
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- CN205065112U CN205065112U CN201520865162.1U CN201520865162U CN205065112U CN 205065112 U CN205065112 U CN 205065112U CN 201520865162 U CN201520865162 U CN 201520865162U CN 205065112 U CN205065112 U CN 205065112U
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- pipe
- skin
- tube
- joint according
- pipe joint
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Abstract
The utility model provides a pipe connection, including lumen and pipe wall, the pipe wall includes inlayer and skin, can insert between the ectonexine and treat the connecting pipe, and the calabash pipe of inlayer for having the portion of expanding outerly be the hard tube, treats that the connecting pipe is located between inlayer and the skin, for the wall of centre, outer constitute with the inlayer connect, treat that the connecting pipe inserts between the ectonexine, skin and treat the connecting pipe and combine closely through tight fit or integrated structure. Pipe connection, the inside lining tubular metal resonator is the calabash pipe, guarantees that inside passage is smooth, does not produce deformation, the outer tube with treat that the connecting pipe interlock is sealed.
Description
Technical field
The utility model relates to a kind of pipe joint, and particularly a kind of pipe joint be connected with metal tube for plastic tube, can be applicable in medical equipment.
Background technique
During at present conventional plastic tube is connected with metal tube, crossover sub moulded by the normal special steel of making that adopts, and to realize respective homogeneity connection, Placement can be that homogeneity is welded, is threaded, welding etc.; Occurring for preventing joint to loosen, disclosing a kind of novel shell-protective type steel-plastic joint in prior art, being connected by the lining with pawl in Inserting Tube; Also disclose a kind of high-pressure fluid pipe joint with micro-flow in prior art, undertaken connecting by the thread bush installed additional, seal ring seals.
All there is corresponding shortcoming in above-mentioned method: special joint accessory needs special Making mold, improves cost; Use the lining with pawl, may make interior pipe indent in thread bush screwing operations, internal fluid passageways narrows, especially when lining pipe or thread bush are thin walled tube, show more outstanding, indent causes fluid through out-of-date generation deformation, causes serious energy loss.Above-mentioned shortcoming all limits the use that plastic tube is connected with metal tube.
Model utility content
Namely the utility model is the above-mentioned deficiency existing for pipe joint be connected with metal tube for the plastic tube used at present, provides a kind of inner passage smoothness, the pipe joint that processing and fabricating is easy.
Specifically, pipe joint described in the utility model, comprises tube chamber and tube wall, and tube wall comprises internal layer and skin, can insert pipe to be connected between internal and external layer, and internal layer is the cucurbit pipe with the portion of expanding, and skin is hard tube, and pipe to be connected is between internal layer and skin.
Further, described skin can with pipe drive fit to be connected.Include but not limited to that employing instrument has extruded, or the difference of the physical property utilizing unlike material to expand with heat and contract with cold, after contraction to be cooled skin and pipe to be connected integral with regard to drive fit.
Selectable, described skin can be combined closely by combining structure with pipe to be connected.
Further, described combining structure is on skin and/or pipe to be connected or between skin and pipe to be connected.That is, described combining structure can be outer and/or a part for pipe to be connected, also can be the absolute construction independent of outer and pipe to be connected, above-mentioned two-layer between, play above-mentioned two-layer effect of combining closely.
Further, described combining structure is the bonded structure between skin and pipe to be connected, comprises glue or adhesive, and skin is combined closely by bonding effect and pipe to be connected.
Further, described combining structure is worm structure, outer to combine closely with pipe to be connected by pressing.
Selectable, described combining structure is groove structure, outer to be closely engaged with pipe to be connected by pressing.
In fact, described combining structure comprises all can making and outer to combine closely or friction tight structure with pipe to be connected.
Further, described skin comprises metal tube.
Further, described pipe to be connected comprises plastic pipe or the composite pipe with plastic pipe.
Further, described composite pipe is made up of plastic pipe and braiding webmaster.
Further, described composite pipe comprises three layers, inside and outside two-layer be plastic pipe, middle level for braiding webmaster.Braiding webmaster forms with environment-friendly materials braiding, has good wear resistance, extendibility, flatness, flame retarding and ventilative heat dispersion.
Further, described internal layer comprises plastic pipe or metal tube.
Pipe joint described in the utility model, liner metal tube is cucurbit pipe, ensures that inner passage is smooth, does not produce deformation; Outer tube metal tube is engaged with pipe to be connected (i.e. pipe to be connected) and seals, fast easy to process, close structure.
Accompanying drawing explanation
Fig. 1 is the axial section structural representation of a pipe joint described in the utility model embodiment;
Fig. 2 is the axial section structural representation of another embodiment of pipe joint described in the utility model;
Fig. 3 is the radial section structural representation of an embodiment of the pipe to be connected of pipe joint described in the utility model;
Wherein, 1 be tube chamber, 2 be internal layer, 3 be pipe to be connected, 31 be inner tube layer to be connected, 32 be pipe middle level to be connected, 33 be outer tube layer to be connected, 4 for outer, 5 be combining structure.
Embodiment
Describe without limitation technological scheme described in the utility model below in conjunction with accompanying drawing, object is in order to the public understands described technology contents better.
Embodiment one
As shown in Figure 1, for the sectional structure chart of an embodiment of the present utility model, in this embodiment, described pipe joint, comprise tube chamber 1 and tube wall, tube wall comprises internal layer 2 and outer 4, pipe 3 (i.e. " target connecting tube ") to be connected is between internal layer 2 and outer 4, internal layer 1 is for having the cucurbit pipe in the portion of expanding, pipe 3 to be connected is individual layer plastic pipe, cucurbit pipe can be maintained indeformable, outer 4 is metal tube, the inwall of outer 4 is provided with combining structure 5, combined closely by combining structure 5 and pipe 3 to be connected, described combining structure 5 is worm structure, to combine closely with pipe 3 to be connected by pressing, described internal layer cucurbit pipe 1 is metal tube.
Embodiment two
As shown in Figure 2, for the sectional structure chart of another embodiment of the present utility model, in this embodiment, described pipe joint, comprise tube chamber 1 and tube wall, tube wall comprises internal layer 2 and outer 4, pipe 3 (i.e. " target connecting tube ") to be connected is between internal layer 2 and outer 4, internal layer 1 is for having the cucurbit pipe in the portion of expanding, pipe 3 to be connected is individual layer plastic pipe, cucurbit pipe can be maintained indeformable, outer 4 is metal tube, the inwall of outer 4 is provided with combining structure 5, described combining structure 5 is groove structure, be positioned at the contact position of outer 2 and pipe to be connected 3, to combine closely with pipe 3 to be connected by pressing, described internal layer cucurbit pipe 1 is plastic pipe.
Embodiment three
As shown in Figure 3, be the radial section structural representation of an embodiment of pipe joint described in the utility model pipe 3 to be connected.Described pipe joint, comprise tube chamber 1 and tube wall, tube wall comprises internal layer 2 and outer 4, and pipe 3 (i.e. " target connecting tube ") to be connected is between internal layer 2 and outer 4, as described above, pipe 3 to be connected can be plastic pipe or the composite pipe with plastic pipe.In the embodiment shown in Fig. 1 and 2, pipe 3 to be connected is single layer structure, and in the present embodiment, pipe 3 to be connected is composite pipe structure, comprises three layers, and inner tube layer 31 to be connected and outer tube layer to be connected 33 are plastic pipe, and pipe middle level 32 to be connected is braiding webmaster.
Pipe joint described in the utility model, liner metal tube is cucurbit pipe, ensures that inner passage is smooth, does not produce deformation; Outer tube metal tube and target connecting tube are combined closely by drive fit or combining structure, and processing is simple.
It should be understood that; it is not restriction to described technological scheme that foregoing comprises accompanying drawing; in fact; under identical or approximate principle; to the improvement that described technological scheme is carried out; comprise the shape of Each part, size, material used, and the equivalent replacement of basic identical function structure, all within the utility model technological scheme required for protection.
Claims (11)
1. a pipe joint, comprises tube chamber and tube wall, it is characterized in that: described tube wall comprises internal layer and skin, can insert pipe to be connected between internal and external layer, and internal layer is the cucurbit pipe with the portion of expanding, and skin is hard tube.
2. pipe joint according to claim 1, is characterized in that: described skin and pipe drive fit to be connected.
3. pipe joint according to claim 1, is characterized in that: described skin and pipe to be connected are combined closely by combining structure.
4. pipe joint according to claim 3, is characterized in that: described combining structure is on skin and/or pipe to be connected or between skin and pipe to be connected.
5. the pipe joint according to claim 3 or 4, is characterized in that: described combining structure is worm structure, outer to combine closely with pipe to be connected by pressing.
6. the pipe joint according to claim 3 or 4, is characterized in that: described combining structure is groove structure, outer to be closely engaged with pipe to be connected by pressing.
7. the pipe joint according to any one of claim 1-3, is characterized in that: described skin comprises metal tube.
8. the pipe joint according to any one of claim 1-3, is characterized in that: described pipe to be connected comprises plastic pipe or the composite pipe with plastic pipe.
9. pipe joint according to claim 8, is characterized in that: described composite pipe is made up of plastic pipe and braiding webmaster.
10. pipe joint according to claim 9, is characterized in that: described composite pipe comprises three layers, inside and outside two-layer be plastic pipe, middle level for braiding webmaster.
11. pipe joints according to any one of claim 1-3, is characterized in that: described internal layer comprises plastic pipe or metal tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520865162.1U CN205065112U (en) | 2015-10-30 | 2015-10-30 | Pipe connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520865162.1U CN205065112U (en) | 2015-10-30 | 2015-10-30 | Pipe connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205065112U true CN205065112U (en) | 2016-03-02 |
Family
ID=55391668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520865162.1U Active CN205065112U (en) | 2015-10-30 | 2015-10-30 | Pipe connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205065112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641517A (en) * | 2015-10-30 | 2017-05-10 | 域鑫科技（惠州）有限公司 | Pipe joint and machining method thereof |
-
2015
- 2015-10-30 CN CN201520865162.1U patent/CN205065112U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641517A (en) * | 2015-10-30 | 2017-05-10 | 域鑫科技（惠州）有限公司 | Pipe joint and machining method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |