CN205781508U - A kind of non-metallic pipe and the attachment structure of metallic plate - Google Patents
A kind of non-metallic pipe and the attachment structure of metallic plate Download PDFInfo
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- CN205781508U CN205781508U CN201620512424.0U CN201620512424U CN205781508U CN 205781508 U CN205781508 U CN 205781508U CN 201620512424 U CN201620512424 U CN 201620512424U CN 205781508 U CN205781508 U CN 205781508U
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- metallic pipe
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Abstract
The utility model discloses the attachment structure of a kind of non-metallic pipe and metallic plate, use the connected mode of cavity and interior extruding, it is not necessary to chemical bonding can realize non-metallic pipe and the connection of perforate on metallic plate, and attachment structure is stable, reliably.It is especially suitable for the connection of the high fluoro-containing plastic pipe of particularly chemical stability and metallic plate.Being tightly connected between heat exchanger tube and the metal card of the heat exchanger under such as high temperature, high corrosive conditions can be efficiently applied to, be not only able to cost-effective, but also greatly improve sealing intensity, extend the service life of equipment.
Description
Technical field
This utility model relates to the interconnection technique field of non-metallic pipe and metallic plate, more specifically, relates to
And the attachment structure of a kind of non-metallic pipe and metallic plate.
Background technology
PTFE (politef) tubing has excellent high-low temperature resistant characteristic, at-190～260 DEG C
Under the conditions of can life-time service.PTFE material has fluorine steam under good chemical stability, only high temperature,
Under alkali metal, performance can change, to other all of inorganic Organic Acid and Base dense, dilute, ester the most not
React.Low surface friction coefficient, water repellent, refuse dirt, not dirty inside and outside tube wall.Nontoxic, it is difficult to
The features such as burning, have the high grade of transparency, are widely used in fluoroplastics heat exchanger, heat steam pipe arrangement etc.
Field, tool has been widely used.
But, as high performance plastics, PTFE cannot melt extrude, due to material property also
It is difficult to splice mutually with other materials (such as metal material) or holding is the highest during slitless connection intensity.
Such as, at some heat exchangers under high temperature, high corrosive environment, PTFE tube is used
The PTFE tube material that material is made needs to be secured firmly on metal card, and positive confinement to be kept.
At present, the most conventional encapsulating method is will by flanging process and welding procedure by PTFE sheet material
Metal card wraps up, thus forms an entirety, then same by passing through after PTFE tube material flange
The welding procedure of sample is welded on the PTFE sheet material after parcel.Using this technique, PTFE tube cannot
Directly it is connected to a fixed with metal card, needs by twice welding, not only complex procedures, Er Qieren
Work cost is high.It addition, intensity only has 30～about 50kg, along with long high temperature and shaking when running
Dynamic, intensity it is difficult to ensure that, thus cause weld to come off, affect service life.It is thus possible, for instance PTFE
Be connected in the high intensity with metal card etc. nonmetallic materials, seal become one restriction its application
A difficult problem, in the urgent need to having been resolved.
Utility model content
For drawbacks described above present in prior art, the purpose of this utility model is to provide a kind of non-gold
Belong to pipe and the attachment structure of metallic plate, it is possible to realize non-metallic pipe and two kinds of unlike material things of metallic plate it
Between effective connection.
For achieving the above object, this utility model adopts the following technical scheme that
A kind of non-metallic pipe and the attachment structure of metallic plate, including metallic plate and non-metallic pipe, metallic plate
On have installing hole, and be sheathed on non-metallic pipe, it is characterised in that: on described installing hole inwall
Have a cavity, the tube wall of described non-metallic pipe and cavity corresponding position by being compressed in cavity, with
Form the attachment structure with metallic plate.
Described cavity is groove or shrinkage pool.
Described groove is annular recess or segmental arc groove, and the radial section of groove is rectangular, circular,
Oval, trapezoidal or T-shaped.
Described shrinkage pool is circular hole, conical bore, trapezoidal hole, rectangular opening, threaded hole or T-shaped hole.
The inner surface of described cavity is additionally provided with screw thread.
Also including fixing cylinder, fixing cylinder is located in non-metallic pipe, fixing cylinder and the barrel of cavity corresponding position
It is compressed in cavity together with the tube wall of non-metallic pipe.
Also include the sealing plate being located at metal sheet surface, on sealing plate, have the flange corresponding with installing hole
Hole, the flange of flanging bore surrounding is placed between installing hole and non-metallic pipe, and with the tube wall of non-metallic pipe
It is compressed in together in cavity.
Described non-metallic pipe uses high temperature resistant, resistant material making.
Described non-metallic pipe uses fluoro-containing plastic to make.
Described non-metallic pipe uses PTFE, FEP, PFA or PVDF to make.
Non-metallic pipe of the present utility model and the attachment structure of metallic plate, use the company of cavity and interior extruding
Connect mode, it is not necessary to chemical bonding can realize non-metallic pipe and the connection of perforate on metallic plate, and connects
Connect Stability Analysis of Structures, reliably.It is especially suitable for the high fluoro-containing plastic pipe of particularly chemical stability and metallic plate
Connection.The heat exchanger tube of the heat exchanger can being efficiently applied under such as high temperature, high corrosive conditions and metal
Being tightly connected between card, is not only able to cost-effective, but also greatly improves sealing intensity,
Extend the service life of equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of attachment structure one embodiment of the present utility model；
Fig. 2 is that the structural representation of another embodiment of attachment structure of the present utility model (carries fixing
Cylinder)；
Fig. 3 is that the structural representation of the 3rd embodiment of attachment structure of the present utility model (carries upper and lower
Sealing plate)；
Fig. 4 is the structural representation that attachment structure of the present utility model is applied to shell heat exchanger；
Fig. 5 is the A portion enlarged diagram in Fig. 4.
Detailed description of the invention
The technical solution of the utility model is further illustrated below in conjunction with the accompanying drawings with embodiment.
Incorporated by reference to shown in Fig. 1 to Fig. 3, a kind of non-metallic pipe provided by the utility model and metallic plate
Attachment structure, including metallic plate 1 and non-metallic pipe 2, metallic plate 1 has installing hole, and overlaps
It is located on non-metallic pipe 2, described installing hole inwall has cavity 3, described non-metallic pipe 2
With the tube wall of cavity 3 corresponding position by being compressed in cavity 3, to form the connection with metallic plate 1
Structure.Extruding can use the mode of expansion in using in pipe to carry out outwardly against (dotted line arrow in see figure
Head).
Above-mentioned non-metallic pipe 2 can use high temperature resistant, resistant material making.It is also preferred that the left it is described
Non-metallic pipe 2 can use the fluoro-containing plastics such as PTFE, FEP, PFA or PVDF such as to make.Certainly,
Other high temperature resistant, resistant material making can also be used.
As an embodiment, described cavity 3 is groove or shrinkage pool or other form structure.
Described groove can use annular recess or segmental arc groove, and the radial section of groove is rectangular,
Circular, oval, trapezoidal or other shape.Further, annular recess can be one, it is also possible to for
Two or more along installing hole axial distribution.Segmental arc groove can be one or more, multiple permissible
It is distributed at installing hole spaced radial, it is also possible to be axially uniformly distributed at installing hole.
Described shrinkage pool can use circular hole, conical bore, trapezoidal hole, rectangular opening, threaded hole or other
The hole of shape, can be uniformly distributed radially and/or axially.
It addition, the inner surface of described cavity 3 is also provided with screw thread, when the tube wall of non-metallic pipe 2
When being squeezed into, threaded engagement can be formed with screw thread so that connecting the most firm, anticreep is better.
As an embodiment, this attachment structure also includes fixing cylinder 4, and fixing cylinder 4 is located at nonmetal
In pipe 2, fixing cylinder 4 is extruded together with the tube wall of non-metallic pipe 2 with the barrel of cavity 3 corresponding position
In cavity 3.
Described fixing cylinder 4 is metal material, after the crimp of metal material, it is possible to avoid non-gold
Belong to the bounce-back of pipe 2 tube wall, strengthen and connect effect.It is also preferred that the left described fixing cylinder 4 uses rustless steel
Material, has the most corrosion-resistant, resistance to elevated temperatures.
It addition, described non-metallic pipe 2 one end can pass installing hole and formation is turned over all over structure (see figure
In 5 21), and one end of fixing cylinder 4 can pass non-metallic pipe 2 being formed turn over all over structure (see
In Fig. 5 41), can be more beneficial for improving axial connection reliability all over structure by turning over.
As an embodiment, this attachment structure also includes the sealing plate 5 being located at metallic plate 1 surface,
Having the flanging bore corresponding with installing hole on sealing plate 5, the flange 51 of flanging bore surrounding is placed in installing hole
And between non-metallic pipe 2, and it is compressed in together with the tube wall of non-metallic pipe 2 in cavity 3.
Described sealing plate 5 can use one, is located at the upper or lower surface of metallic plate 1, it is also possible to adopt
With two, it is respectively arranged on the upper and lower surface of metallic plate 1.
Above-mentioned sealing plate 5 can use high temperature resistant, resistant material making.It is also preferred that the left described is close
Shrouding 5 can use the fluoro-containing plastics such as PTFE, FEP, PFA or PVDF such as to make.Certainly, it is possible to
To use other by high temperature resistant, resistant material system.Use by sealing plate 5, it is possible to this reality
Play one by novel attachment structure more to seal, more stable effect.
Shown in Fig. 4, Fig. 5 is the attachment structure of the present utility model heat exchange that is applied to shell heat exchanger
Attachment structure between pipe and metal card, in Fig. 5, is provided with upper and lower two loops recessed in installing hole
The cavity 3 of groove, uses upper and lower two sealing plates 4, uses the non-metallic pipe 2 of the fluorine material turned over time
Fix cylinder 4 with the rustless steel turned over time, by interior pressurized expansion, clamp-on cavity 3 together, to realize sealing
Connect.
In sum, the attachment structure of non-metallic pipe 2 of the present utility model and metallic plate 1, tool are used
There is a following advantage:
1, a kind of physical connection mode being conducive to and being connected between non-metallic pipe 2 with metallic plate 1 is proposed,
Without chemical bonding, be suitable to the high non-metallic pipe of chemical stability 2 and be connected with the effective of metallic plate 1；
2, by arranging the fixing cylinder 4 of metal, it is possible to advantageously in non-metallic pipe 2 and metallic plate 1
Stable connection, firm, it is to avoid get loose.
3, by arranging sealing plate 5, it is possible to attachment structure of the present utility model is played and effectively seals work
With, it is adaptable to the duty requirements that some seal requests are high.
4, by using the tubing of fluoro-containing plastic, it is applicable to the heat transmission equipments such as such as shell-and-tube heat exchanger
Heat exchanger tube, to realize the connection difficult problem between heat exchanger tube and metal card, not only increase fixing and
The effect sealed, but also extend the service life of equipment.
Those of ordinary skill in the art is it should be appreciated that above embodiment is intended merely to
Bright this utility model, and it is not used as to restriction of the present utility model, as long as of the present utility model
In spirit, change, the modification of embodiment described above all will be fallen of the present utility model
In Claims scope.
Claims (10)
1. non-metallic pipe and an attachment structure for metallic plate, including metallic plate and non-metallic pipe, metal
Have installing hole on plate, and be sheathed on non-metallic pipe, it is characterised in that: described installing hole inwall
On have a cavity, the tube wall of described non-metallic pipe and cavity corresponding position by being compressed in cavity,
To form the attachment structure with metallic plate.
A kind of non-metallic pipe the most as claimed in claim 1 and the attachment structure of metallic plate, its feature exists
In: described cavity is groove or shrinkage pool.
A kind of non-metallic pipe the most as claimed in claim 2 and the attachment structure of metallic plate, its feature exists
In: described groove is annular recess or segmental arc groove, and the radial section of groove is rectangular, circular,
Oval, trapezoidal or T-shaped.
A kind of non-metallic pipe the most as claimed in claim 2 and the attachment structure of metallic plate, its feature exists
In: described shrinkage pool is circular hole, conical bore, trapezoidal hole, rectangular opening, threaded hole or T-shaped hole.
5. a kind of non-metallic pipe as described in claim 3 or 4 and the attachment structure of metallic plate, it is special
Levy and be: the inner surface of described cavity is additionally provided with screw thread.
A kind of non-metallic pipe the most as claimed in claim 1 and the attachment structure of metallic plate, its feature exists
In: also including fixing cylinder, fixing cylinder is located in non-metallic pipe, fixing cylinder and the barrel of cavity corresponding position
It is compressed in cavity together with the tube wall of non-metallic pipe.
7. a kind of non-metallic pipe as described in claim 1 or 6 and the attachment structure of metallic plate, it is special
Levy and be: also include being located at the sealing plate of metal sheet surface, have corresponding with installing hole on sealing plate
Flanging bore, the flange of flanging bore surrounding is placed between installing hole and non-metallic pipe, and with non-metallic pipe
Tube wall is compressed in cavity together.
A kind of non-metallic pipe the most as claimed in claim 1 and the attachment structure of metallic plate, its feature exists
In: described non-metallic pipe uses high temperature resistant, resistant material making.
A kind of non-metallic pipe the most as claimed in claim 8 and the attachment structure of metallic plate, its feature exists
In: described non-metallic pipe uses fluoro-containing plastic to make.
A kind of non-metallic pipe the most as claimed in claim 9 and the attachment structure of metallic plate, its feature
It is: described non-metallic pipe uses PTFE, FEP, PFA or PVDF to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620512424.0U CN205781508U (en) | 2016-05-31 | 2016-05-31 | A kind of non-metallic pipe and the attachment structure of metallic plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620512424.0U CN205781508U (en) | 2016-05-31 | 2016-05-31 | A kind of non-metallic pipe and the attachment structure of metallic plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205781508U true CN205781508U (en) | 2016-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620512424.0U Active CN205781508U (en) | 2016-05-31 | 2016-05-31 | A kind of non-metallic pipe and the attachment structure of metallic plate |
Country Status (1)
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|---|---|
| CN (1) | CN205781508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822854A (en) * | 2016-05-31 | 2016-08-03 | 江苏金由新材料有限公司 | Connecting structure of non-metallic pipe and metal plate |
-
2016
- 2016-05-31 CN CN201620512424.0U patent/CN205781508U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822854A (en) * | 2016-05-31 | 2016-08-03 | 江苏金由新材料有限公司 | Connecting structure of non-metallic pipe and metal plate |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |