CN207161915U - A kind of straight-through electric smelting reducing fittings - Google Patents
A kind of straight-through electric smelting reducing fittings Download PDFInfo
- Publication number
- CN207161915U CN207161915U CN201720939539.2U CN201720939539U CN207161915U CN 207161915 U CN207161915 U CN 207161915U CN 201720939539 U CN201720939539 U CN 201720939539U CN 207161915 U CN207161915 U CN 207161915U
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- CN
- China
- Prior art keywords
- flow region
- contraction flow
- straight
- reducing
- electric smelting
- 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.)
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Abstract
The utility model provides a kind of straight-through electric smelting reducing fittings, including connecting portion, contraction flow region, tighten up portion, the connecting portion includes reducing connecting pipe, the contraction flow region is tubular plastic part, and the contraction flow region is provided with constriction device, and the constriction device is plastic sheet, the plastic sheet is multiple, the one end of contraction flow region away from connection screw thread is evenly distributed on, has space between the plastic sheet, one end of the plastic sheet activity is closed up to inner side;The portion of tightening up is tubular plastic part, and described one end for tightening up portion is arranged on contraction flow region, and the other end for tightening up portion is provided with contraction mouth, oppresses plastic sheet by the contraction mouth and internally shrinks.Straight-through electric smelting reducing fittings structure described in the utility model is more stable, provided with contraction flow region and portion is tightened up, after connecting portion and welding is installed, contraction flow region is carried out further shrinking fixation by connection screw thread with portion of tightening up with screw thread is tightened up, the stability of connecting portion is added, anti-impact force is stronger.
Description
Technical field
The utility model belongs to connecting pipe technical field, more particularly, to a kind of straight-through electric smelting reducing fittings.
Background technology
With developing rapidly for piping network, the species of electric melting pipe fittings also is also more and more, but existing electric smelting connects
The most structure of pipe fitting is not very stable, and the time has grown interface and loosening occurs, is badly in need of a kind of structure now and more stablizes, shock resistance
The stronger electric melting pipe fittings of ability.
The content of the invention
In view of this, the utility model is directed to a kind of straight-through electric smelting reducing fittings, to solve existing electric melting pipe fittings
Connect unstable situation.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in:
A kind of straight-through electric smelting reducing fittings, including connecting portion, contraction flow region, tighten up portion, the connecting portion includes reducing connection
Two connectors and the melting zone of inside pipe fitting installed on pipe fitting, and reducing connecting pipe, the melting zone is interior to be provided with electricity
Silk is hindered, respectively one piece of resistance wire of connection, the melting zone are arranged on the both ends of reducing connecting pipe to two connectors;The reducing connects
The both ends end of jointed tubular workpieces is also designed with connection screw thread, and the contraction flow region is fixed on the end of reducing connecting pipe by connection screw thread
Portion;
The contraction flow region is tubular plastic part, and the contraction flow region is provided with constriction device, and the constriction device is plastic sheet,
The plastic sheet is multiple, is evenly distributed on the one end of contraction flow region away from connection screw thread, has space between the plastic sheet, institute
Closed up to inner side the one end for stating plastic sheet activity;
The portion of tightening up is tubular plastic part, and described one end for tightening up portion is arranged on contraction flow region, described to tighten up the another of portion
One end is provided with contraction mouth, oppresses plastic sheet by the contraction mouth and internally shrinks.
Further, the contraction flow region is provided with first-hand threading, is pacified contraction flow region by the first-hand threading
It is attached in reducing connecting pipe, is provided between the first-hand threading and plastic sheet and tightens up screw thread, the contraction flow region and tightens up
Portion is by tightening up threaded connection.
Further, the contraction flow region and the portion of tightening up all are two.
Further, it is provided with anti-oxidant plastic layer outside the resistance wire.
Further, the reducing connecting portion in the reducing connecting pipe is provided with thickening layer, and the thickening layer connects with reducing
Jointed tubular workpieces are formed in one.
Further, the face that the end of the thickening layer is connected with pipe fitting is vertical with pipe fitting inner wall.
Further, the difference in height of the end of the thickening layer and pipe fitting inner wall is equal to the thickness for the pipeline to be connected.
Further, the contraction flow region and constriction device are formed in one, and skid resistant course is provided with the inside of the plastic sheet.
Further, the tightener is provided with second-hand's threading.
Relative to prior art, straight-through electric smelting reducing fittings described in the utility model has the advantage that:
(1) straight-through electric smelting reducing fittings structure described in the utility model is more stable, provided with contraction flow region and tightens up portion,
After installing connecting portion and welding, contraction flow region and portion of tightening up by connection screw thread and are tightened up into the further contraction of screw thread progress admittedly
It is fixed, the stability of connecting portion is added, anti-impact force is stronger.
(2) connection inside the connecting portion of straight-through electric smelting reducing fittings described in the utility model
Area is provided with thickening layer, adds the intensity and thickness of reducing connecting portion;Ingehious design is carried out to thickening layer, to the height of thickening layer
Degree difference carries out vertical tube wall design, limits the entrance depth of pipeline, workmen can be allowed clearly to know that insertion depth is
No arrival specified location, it can prevent from being excessively inserting and destroy internal resistance silk structure, and slow down working fluid to pipe end
The impact in portion.
Brief description of the drawings
Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form to improper restriction of the present utility model.
In accompanying drawing:
Fig. 1 is the Integral connection structure figure of the straight-through electric smelting reducing fittings described in the utility model embodiment;
Fig. 2 is the connecting portion overall schematic of the straight-through electric smelting reducing fittings described in the utility model embodiment;
Fig. 3 is the connecting portion sectional view of the straight-through electric smelting reducing fittings described in the utility model embodiment;
Fig. 4 is the contraction flow region structure chart of the straight-through electric smelting reducing fittings described in the utility model embodiment;
Fig. 5 tightens up portion's structure chart for the straight-through electric smelting reducing fittings described in the utility model embodiment.
Description of reference numerals:
1- connecting portions;11- connectors;12- melting zones;13- thickening layers;2- contraction flow regions;21- connection screw threads;22- is first-hand
Threading;23- tightens up screw thread;24- plastic sheets;3- tightens up portion;31- second-hand's threading.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figures 1 to 5, a kind of straight-through electric smelting reducing fittings, including connecting portion 1, contraction flow region 2, portion 3 is tightened up, it is described
Connecting portion 1 includes the melting for two connectors 11 and inside pipe fitting installed in reducing connecting pipe, and reducing connecting pipe
Area 12, the melting zone 12 is interior to be provided with resistance wire, and respectively one piece of resistance wire of connection, the melting zone 12 are arranged on two connectors 11
The both ends of reducing connecting pipe;The both ends end of the reducing connecting pipe is also designed with connection screw thread 21, and the contraction flow region 2 is logical
Cross the end that connection screw thread 21 is fixed on reducing connecting pipe;
Contraction flow region 2 is tubular plastic part, and the contraction flow region 2 is provided with constriction device, and the constriction device is plastic sheet 24,
The plastic sheet 24 is multiple, is evenly distributed on the one end of contraction flow region 2 away from connection screw thread 21, is deposited between the plastic sheet 24
There is space, one end of the activity of plastic sheet 24 is closed up to inner side;
It is tubular plastic part to tighten up portion 3, and described one end for tightening up portion 3 is arranged on contraction flow region 2, described to tighten up the another of portion 3
One end is provided with contraction mouth, oppresses plastic sheet 24 by the contraction mouth and internally shrinks.
Contraction flow region 2 is provided with first-hand threading 22, is installed to contraction flow region 2 by the first-hand threading 22 different
It is provided with the connecting pipe of footpath, between the first-hand threading 22 and plastic sheet 24 and tightens up screw thread 23, the contraction flow region 2 and is tightened up
Portion 3 is connected by tightening up screw thread 23.
Contraction flow region 2 and tighten up portion 3 all be two.Due to the contraction for the directly described both ends of connecting portion 1 installation of reducing connection
Differed under portion 2 and the band for tightening up portion 3, it is designed according to the diameter at the both ends of connecting portion 1, but the He of both ends contraction flow region 2
The structure for tightening up portion 3 is identical.
Anti-oxidant plastic layer is provided with outside resistance wire.Prevent that resistance wire is exposed in atmosphere, influence welding, and prevent
Damage when pipeline inserts to resistance wire.The welding plastic of anti-oxidant plastic layer and melting zone 12 uses identical material, prevents
Influence welding effect.
Reducing connecting portion 1 in reducing connecting pipe is provided with thickening layer 13, and the thickening layer 13 is with reducing connecting pipe
It is integrally formed.The face that the end of thickening layer 13 is connected with pipe fitting is vertical with pipe fitting inner wall.The end of thickening layer 13 and pipe fitting inner wall
Difference in height be equal to the pipeline to be connected thickness, so make pipeline insertion after inner-walls of duct diameter and pipe fitting inner wall it is straight
Footpath is identical, reduces the resistance of liquid flowing, decreases impulsive force of the liquid to pipe fitting and pipeline;And add connecting portion
Intensity and thickness;Ingehious design has been carried out to thickening layer 13, vertical tube wall design, limitation are carried out to the difference in height of thickening layer 13
The entrance depth of pipeline, can allow workmen clearly to know whether insertion depth reaches specified location, can prevent
Degree insertion destroys internal resistance silk structure, and slow down impact of the working fluid to pipe end.
Contraction flow region 2 and constriction device are formed in one, and the inner side of plastic sheet 24 is provided with skid resistant course.Tightener is provided with the
Second-hand threading 31.
, it is necessary to which existing be first inserted in what needs connected by contraction flow region 2 with portion 3 is tightened up when using straight-through electric smelting reducing fittings
On pipeline, then two side ducts are attached by connecting portion 1, welding are carried out using welding machine, by contraction flow region 2 with connecting after cooling
Socket part 1 is attached installation, after installing contraction flow region 2, then by tighten up screw thread 23 installation tighten up portion 3, it is tightened by the portion of tightening up 3
Afterwards, even if installation.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (9)
- A kind of 1. straight-through electric smelting reducing fittings, it is characterised in that:Including connecting portion (1), contraction flow region (2), portion (3) is tightened up, it is described Connecting portion (1) includes two connectors (11) installing and inside pipe fitting in reducing connecting pipe, and reducing connecting pipe Melting zone (12), the melting zone (12) is interior to be provided with resistance wire, and two connectors (11) respectively connect one piece of resistance wire, the melting Area (12) is arranged on the both ends of reducing connecting pipe;The both ends end of the reducing connecting pipe is also designed with connection screw thread (21), the contraction flow region (2) is fixed on the end of reducing connecting pipe by connection screw thread (21);The contraction flow region (2) is tubular plastic part, and the contraction flow region (2) is provided with constriction device, and the constriction device is plastics Piece (24), the plastic sheet (24) are multiple, are evenly distributed on the one end of contraction flow region (2) away from connection screw thread (21), the modeling There is space between tablet (24), one end of plastic sheet (24) activity is closed up to inner side;The portion (3) of tightening up is tubular plastic part, and described one end for tightening up portion (3) is arranged on contraction flow region (2), described to tighten up portion (3) the other end is provided with contraction mouth, oppresses plastic sheet (24) by the contraction mouth and internally shrinks.
- 2. straight-through electric smelting reducing fittings according to claim 1, it is characterised in that:The contraction flow region (2) is provided with first Hand threading (22), contraction flow region (2) is installed in reducing connecting pipe by the first-hand threading (22), described first It is provided between hand threading (22) and plastic sheet (24) and tightens up screw thread (23), the contraction flow region (2) and tightens up portion (3) by tightening up Screw thread (23) connects.
- 3. straight-through electric smelting reducing fittings according to claim 1, it is characterised in that:The contraction flow region (2) and tighten up portion (3) All it is two.
- 4. straight-through electric smelting reducing fittings according to claim 1, it is characterised in that:It is provided with outside the resistance wire anti-oxidant Plastic layer.
- 5. straight-through electric smelting reducing fittings according to claim 1, it is characterised in that:Reducing in the reducing connecting pipe Connecting portion (1) is provided with thickening layer (13), and the thickening layer (13) is formed in one with reducing connecting pipe.
- 6. straight-through electric smelting reducing fittings according to claim 5, it is characterised in that:The end of the thickening layer (13) and pipe The face of part connection is vertical with pipe fitting inner wall.
- 7. straight-through electric smelting reducing fittings according to claim 6, it is characterised in that:The end of the thickening layer (13) and pipe The difference in height of part inwall is equal to the thickness for the pipeline to be connected.
- 8. straight-through electric smelting reducing fittings according to claim 1, it is characterised in that:The contraction flow region (2) and constriction device It is formed in one, skid resistant course is provided with the inside of the plastic sheet (24).
- 9. straight-through electric smelting reducing fittings according to claim 1, it is characterised in that:The tightener is twisted provided with second-hand Screw thread (31).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720939539.2U CN207161915U (en) | 2017-07-28 | 2017-07-28 | A kind of straight-through electric smelting reducing fittings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720939539.2U CN207161915U (en) | 2017-07-28 | 2017-07-28 | A kind of straight-through electric smelting reducing fittings |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207161915U true CN207161915U (en) | 2018-03-30 |
Family
ID=61715316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720939539.2U Expired - Fee Related CN207161915U (en) | 2017-07-28 | 2017-07-28 | A kind of straight-through electric smelting reducing fittings |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207161915U (en) |
-
2017
- 2017-07-28 CN CN201720939539.2U patent/CN207161915U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180330 Termination date: 20200728 |
|
CF01 | Termination of patent right due to non-payment of annual fee |