CN208778881U - A kind of steel lining stainless steel internal thread tube piece - Google Patents
A kind of steel lining stainless steel internal thread tube piece Download PDFInfo
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- CN208778881U CN208778881U CN201821357531.6U CN201821357531U CN208778881U CN 208778881 U CN208778881 U CN 208778881U CN 201821357531 U CN201821357531 U CN 201821357531U CN 208778881 U CN208778881 U CN 208778881U
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- stainless steel
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- wall
- supporting block
- inner casing
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Abstract
The utility model relates to a kind of steel lining stainless steel internal thread tube piece, internal thread tube piece includes support housing, stainless steel inner casing, stainless steel screw element and support component；Wherein punch process has the horizontal support surface of strip on the side wall of stainless steel inner casing, stainless steel screw element includes supporting block, wherein turning is machined with the horizontal contact face of strip in the top sidewall of supporting block, hole is threaded in the middle part of supporting block, it is interference fitted between the side wall of supporting block and the inner wall of stainless steel inner casing, horizontal support surface is contacted with each other with horizontal contact face；Support housing is socketed on stainless steel inner casing above-mentioned, and the inner wall of support housing is contacted by support component with the outer wall of stainless steel inner casing；By being the ellipse for being easy to clamping by traditional round pipe fitting improvement, while irregular circular tube structure is utilized, because being irregular anti-rotation structure, milling tooth is carried out to the screw thread of stainless steel screw element or the separation of screw element and inner tube will not occur when being threadedly coupled.
Description
Technical field
The utility model relates to a kind of steel lining stainless steel internal thread tube pieces, belong to tube connection piece field.
Background technique
The stainless steel pipe of multilayered structure can all rely on the stainless steel pipe of multilayer, and the work that multilayer stainless steel pipe is traditional
Skill is multilayer nest, when the pipe fitting to multilayered structure processes the screw thread for connecting tubing, needs clamping pipe fitting outer wall internal
Wall carry out screw thread processing, then the inner wall of cutted thread and by clamping live outer wall between be easy to happen certain torsion, make
It obtains threaded fitting inner wall and generates small gap, in process of expansion and contraction, these small gaps are easy to make pipe because of expansion
Part is damaged, influences normal use；It can even to be detached between inner and outer tubes.
Utility model content
Technical problem to be solved by the utility model is: overcoming between inner and outer tubes in the prior art when processing screw thread
The technical issues of being easy to happen inner tube, outer tube disengaging, provides a kind of steel lining stainless steel internal thread tube piece.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of steel lining stainless steel internal thread tube piece, the internal thread tube piece include support housing, stainless steel inner casing, stainless steel
Screw element and support component；Wherein punch process has the horizontal support surface of a strip on the side wall of the stainless steel inner casing,
The stainless steel screw element includes a supporting block, and the cross section of the supporting block is circle, wherein the top sidewall of supporting block
Upper turning is machined with the horizontal contact face of a strip, and the horizontal contact face is corresponding with horizontal support surface, in supporting block
Middle part is threaded hole, is interference fitted between the side wall of the supporting block and the inner wall of stainless steel inner casing, horizontal support surface with
Horizontal contact face contacts with each other；The support housing is socketed on stainless steel inner casing above-mentioned, and the inner wall of support housing passes through branch
Support component is contacted with the outer wall of stainless steel inner casing.
The support housing is ellipse as a further improvement of the utility model, wherein stainless steel inner casing level branch
Support face is parallel with the oval long axis of support housing；The wherein transverse ends and support housing of the horizontal support surface of stainless steel inner casing
Inner wall contact.
It is that arc-shaped compensation supports that the support component, which includes two groups of sections, as a further improvement of the utility model,
Piece A, compensation support chip A be attached at the transverse ends of support housing, and compensates arc outer wall face and the support housing of support chip A
It is welded to connect between inner wall.
It is fan-shaped compensation support that the support component, which includes one group of cross section, as a further improvement of the utility model,
Piece B, the fan-shaped bottom of compensation support chip B and the flat contact face contact, compensate the curved wall at the top of support chip B and support
Outer casing inner wall contact.
The rounded bottom of the horizontal contact face of the supporting block to supporting block as a further improvement of the utility model,
Distance is L, and wherein the vertical range of the center of circle of threaded hole and horizontal contact face is L/2.
The beneficial effects of the utility model are:
1, the utility model is by being the ellipse for being easy to clamping by traditional round pipe fitting improvement, while utilizing irregular
Circular tube structure and stainless steel screw element be combined, be fixed between inner and outer tubes by support component, because being not
The anti-rotation structure of rule, so the separation of screw element and inner tube will not occur when to stainless steel screw element processing screw thread, and inner tube
There are biggish supporting gaps between outer tube, and be also not susceptible to be detached from either causes inner tube broken because of the deformation of outer tube
Damage, furthermore irregular inner tube and the outer tube structure of ellipse effectively raise the integral rigidity of pipe fitting.
2, it compensates support chip A and compensation support chip B is soldered in advance and outer tube wall, play reinforcement to outer tube wall and right
The supporting role of inner tube, because finally compensation support chip A and compensation support chip B is solid by the mutual extruding of inner and outer tubes
It is fixed, so only needing the mode spot welding of arc welding fixed.
3, the threaded hole of the utility model is set in the middle part of supporting block, and the processing of top horizontal contact surface can be effectively prevented
The excessively thin generation of caused screw thread wall surface of the hole.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the transverse sectional view of the utility model；
Fig. 2 is the longitudinal cross-section schematic diagram of the utility model.
In figure: 1, support housing；2, stainless steel inner casing；3, stainless steel screw element；4, threaded hole；5, support chip A is compensated；6,
Compensate support chip B；7, horizontal support surface；8, horizontal contact face.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
As depicted in figs. 1 and 2, the utility model is a kind of steel lining stainless steel internal thread tube piece, the internal thread tube piece packet
Include support housing 1, stainless steel inner casing 2, stainless steel screw element 3 and support component；Wherein rushed on the side wall of the stainless steel inner casing 2
Pressure is machined with the horizontal support surface 7 of a strip, and the stainless steel screw element 3 includes a supporting block, the supporting block
Cross section is circle, and wherein turning is machined with the horizontal contact face 8 of a strip, the level in the top sidewall of supporting block
Contact surface 8 is corresponding with horizontal support surface 7, and hole 4, the horizontal contact face 8 of the supporting block are threaded in the middle part of supporting block
Distance to the rounded bottom of supporting block is L, and wherein the vertical range of the center of circle of threaded hole 4 and horizontal contact face 8 is L/2, institute
It states and is interference fitted between the side wall of supporting block and the inner wall of stainless steel inner casing 2, horizontal support surface 7 mutually connects with horizontal contact face 8
Touching；The support housing 1 is socketed on stainless steel inner casing 2 above-mentioned;The support housing 1 is ellipse, wherein in stainless steel
2 horizontal support surface 7 of shell is parallel with the oval long axis of support housing 1；The wherein transverse direction of the horizontal support surface 7 of stainless steel inner casing 2
Both ends are contacted with the inner wall of support housing 1;The inner wall of support housing 1 passes through support component and 2 both lateral sides of stainless steel inner casing
Outer wall contact, the support component include that two groups of sections are arc-shaped compensation support chip A5, and compensation support chip A5 is attached at branch
The transverse ends of shell 1 are supportted, and compensates and is welded to connect between the arc outer wall face of support chip A5 and the inner wall of support housing 1；
The support component further includes that one group of cross section is fan-shaped compensation support chip B6, compensate the fan-shaped bottom of support chip B6 with it is described
Horizontal contact face 8 contacts, and compensates the curved wall at the top of support chip B6 and contacts with 1 inner wall of support housing.
This finished product during installation, passes through the cylindrical mold an of hatch frame, by being open in stainless steel first
2 side wall of shell is squeezed, and horizontal support surface 7 is obtained, and then compensates support chip A5, compensation support in 1 interior welds of support housing
Piece B6；It is drilled to stainless steel screw element 3 followed by and processes screw thread, and turnning and milling goes out horizontal contact face 8 at the top of it；Assembling
Process is, first by stainless steel inner casing 2 as shown in Figure 1, being pressed into inside support housing 1, so that horizontal support surface 7 and compensation branch
Blade B6 contact, while the round sides of stainless steel inner casing 2 are contacted with two groups of compensation support chip A5, then by stainless steel screw element
3 are pressed into stainless steel inner casing 2 by extrusion equipment, so that the horizontal contact face 8 of stainless steel screw element 3 and horizontal support surface 7
Contact, using the expansion of stainless steel screw element 3 so that the both ends of stainless steel inner casing 2 are pressed in support housing 1, realization group
It closes；
The support housing 1 of ellipse is easy rotation convenient for fixing unlike round tube, while anti-bending strength is stronger, equally
Inside irregular stainless steel inner casing 2 and stainless steel screw element 3 be not easy opposite 1 rotational release of support housing, further
Improve stability and intensity.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (5)
1. a kind of steel lining stainless steel internal thread tube piece, it is characterized in that: the internal thread tube piece includes support housing, in stainless steel
Shell, stainless steel screw element and support component；Wherein punch process has the water of a strip on the side wall of the stainless steel inner casing
Flat supporting surface, the stainless steel screw element include a supporting block, the cross section of the supporting block is circle, wherein supporting block
Turning is machined with the horizontal contact face of a strip in top sidewall, and the horizontal contact face is corresponding with horizontal support surface,
It is threaded hole in the middle part of supporting block, is interference fitted between the side wall of the supporting block and the inner wall of stainless steel inner casing, it is horizontal
Supporting surface is contacted with each other with horizontal contact face；The support housing is socketed on stainless steel inner casing above-mentioned, support housing it is interior
Wall is contacted by support component with the outer wall of stainless steel inner casing.
2. a kind of steel lining stainless steel internal thread tube piece as described in claim 1, it is characterized in that: the support housing is ellipse
Shape, wherein stainless steel inner casing horizontal support surface is parallel with the oval long axis of support housing；The wherein horizontal branch of stainless steel inner casing
The transverse ends in support face are contacted with the inner wall of support housing.
3. a kind of steel lining stainless steel internal thread tube piece as claimed in claim 2, it is characterized in that: the support component includes two groups
Section is arc-shaped compensation support chip A, and compensation support chip A is attached at the transverse ends of support housing, and compensates support chip A's
It is welded to connect between arc outer wall face and the inner wall of support housing.
4. a kind of steel lining stainless steel internal thread tube piece as claimed in claim 2, it is characterized in that: the support component includes one group
Cross section is fan-shaped compensation support chip B, the fan-shaped bottom of compensation support chip B and the flat contact face contact, compensation support
Curved wall at the top of piece B is contacted with support housing inner wall.
5. a kind of steel lining stainless steel internal thread tube piece as described in claim 1, it is characterized in that: the flat contact of the supporting block
Face to supporting block rounded bottom distance be L, wherein the vertical range of the center of circle of threaded hole and horizontal contact face be L/2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821357531.6U CN208778881U (en) | 2018-08-22 | 2018-08-22 | A kind of steel lining stainless steel internal thread tube piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821357531.6U CN208778881U (en) | 2018-08-22 | 2018-08-22 | A kind of steel lining stainless steel internal thread tube piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208778881U true CN208778881U (en) | 2019-04-23 |
Family
ID=66157941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821357531.6U Active CN208778881U (en) | 2018-08-22 | 2018-08-22 | A kind of steel lining stainless steel internal thread tube piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208778881U (en) |
-
2018
- 2018-08-22 CN CN201821357531.6U patent/CN208778881U/en active Active
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