CN205078934U - Interior ladder way electrothermal welding socket joint formula steel band bellows of heavy -calibre - Google Patents
Interior ladder way electrothermal welding socket joint formula steel band bellows of heavy -calibre Download PDFInfo
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- CN205078934U CN205078934U CN201520888800.1U CN201520888800U CN205078934U CN 205078934 U CN205078934 U CN 205078934U CN 201520888800 U CN201520888800 U CN 201520888800U CN 205078934 U CN205078934 U CN 205078934U
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- section
- socket
- ladder
- steel band
- bellmouth
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Abstract
The utility model belongs to the technical field of the steel band corrugated conduit, concretely relates to interior ladder way electrothermal welding socket joint formula steel band bellows of heavy -calibre. It includes steel band ripple pipeline section, bellmouth section and socket section, the bellmouth section includes multiple -order bellmouth ladder section, the interior one end of keeping away from steel band ripple pipeline section without leave of bellmouth ladder sections at different levels is decreased progressively to the one end of being close to steel band ripple pipeline section in proper order, the socket section includes the socket ladder section that progression is equal with bellmouth ladder section, the external diameter of socket ladder sections at different levels decreases progressively to the one end of keeping away from steel band ripple pipeline section from the one end of being close to steel band ripple pipeline section in proper order, the internal diameter of bellmouth ladder sections at different levels and the external diameter one -to -one of socket ladder sections at different levels. With prior art contrast, area of contact is big, and sealing performance is good, and the location is accurate, connects reliably, and the socket joint rigidity is good, is fit for actual production and construction, has solved the connection difficult problem of current heavy -calibre steel band bellows, connects into power and can reach 100%, production efficiency and improved several times.
Description
Technical field
The utility model belongs to steel strip corrugated pipeline technical field, is specifically related to a kind of bigbore interior ladder way electric heating melting spigot and socket type steel band bellows.
Background technique
The conception of heavy caliber electro-fusion socket formula steel band bellows is existing in the industry but cannot to make a breakthrough due to the manufacturing technology of bellmouth and socket for many years, and application and the popularization in market are subject to certain restrictions.Currently marketed large mouth steel strip reinforced spiral double-wall corrugated pipe take high density polyethylene (HDPE) as matrix, with the steel belt molding of surface application adhering resin be waveform as main support structure, and be wound around with polythene material and be combined into overall double-walled helical corrugation pipe.It has rotproofness, resistance to wear, ring stiffness advantages of higher, has multiple Placement.But because this kind of pipeline does not have bellmouth and socket, pipeline connects into the low and constructional difficulties of power, and manufacturing efficiency is low.
At present, the connecting means that steel band reinforced polyethylene spiral ripple pipe is comparatively commonly used has three kinds: hot-melt extruded welding, Electric thermal smelting belt connect, heat-shrinkable tube connecting means.In the engineering that some are important, people have used two or more connecting means to guarantee the quality of connection of steel band reinforced polyethylene spiral ripple pipe often.
Hot-melt extruded welding adopts special hot blast to extrude soldering appliance, and first tubing is connected two ends heating, the polyethylene material of melting extruded by welding gun, and the polythene material melting at connecting sewing two ends is connect all-in-one-piece connecting means, and genus is rigidly connected.
Electric thermal smelting belt welding method utilizes the rear high temperature conjunction method produced of electric heating element energising being embedded in joint surface of contact, is be rigidly connected.
It is adopt fiber reinforcement polyethylene thermal contraction strap to do internal layer that heat-shrinkable tube connects, and heat-shrinkable tube does skin, and heat-shrinkable tube internal surface scribbles hot melt adhesive, after heating with the connecting means that is connected of lock ring that adjacent pipe end is fitted.
But it is not high to adopt hot-melt extruded welding and Electric thermal smelting belt to be directly connected the efficiency of two pipelines often connecting tube, and preparatory process is more numerous and diverse, and sealing for tubing joints performance is bad, and employing heat-shrinkable tube sealability is poor.
On the whole, above existing Placement is not all suitable for heavy caliber electro-fusion socket formula steel band bellows.
Model utility content
For solving the deficiencies in the prior art, the utility model provides a kind of bigbore interior ladder way electric heating melting spigot and socket type steel band bellows.
A kind of bigbore interior ladder way electric heating melting spigot and socket type steel band bellows, comprise middle steel strip corrugated pipeline section, be connected to the socket section of described steel strip corrugated pipeline section one end and be connected to the faucet section of the described steel strip corrugated pipeline section the other end, it is characterized in that: described socket section comprises multistage bellmouth ladder section, the external diameter of bellmouth ladder section at different levels is identical, the interior of bellmouth ladder section at different levels successively decreases to the one end near described steel strip corrugated pipeline section successively away from one end of described steel strip corrugated pipeline section without leave, described faucet section comprises the socket ladder section equal with the progression of described bellmouth ladder section, the internal diameter of socket ladder section at different levels is identical, the outer of socket ladder section at different levels successively decreases to the one end away from described steel strip corrugated pipeline section successively near one end of described steel strip corrugated pipeline section without leave, the internal diameter of bellmouth ladder section at different levels and the external diameter one_to_one corresponding of socket ladder section at different levels, resistance wire is embedded with along the circumference of described socket section in described socket section, described resistance wire is near the inwall of described socket section, described resistance wire is parallel with the inwall of described socket section.
Further, described resistance wire comprises the multiple resistance wire segmentations equal with the progression of described bellmouth ladder section, is embedded with the resistance wire segmentation described in a section in the bellmouth ladder section described in every one-level, and each described resistance wire segmentation is connected successively.
Concrete, described resistance wire is arranged with curve shape or the broken line shape circumference along described socket section.
Concrete, the outer wall of described socket section and bellows body parallel to an axis, the inwall of described faucet section and bellows body parallel to an axis.
Preferably, the horizontal width in region that described resistance wire covers is 8 ~ 10:18 with the ratio of the horizontal length of the inwall of described socket section.
On the basis of technique scheme, following further improvement can be done.
The end face away from described steel strip corrugated pipeline section side of described socket section offers the first blind hole and the second blind hole, and described first blind hole is connected two of described resistance wire respectively with described second blind hole.
The external diameter of described steel strip corrugated pipeline section is 300 ~ 3000mm.
Bigbore interior ladder way electric heating melting spigot and socket type steel band bellows provided by the utility model can be applicable to engineering pipeline, drainage pipe, blow-off line or boundling pipeline.
In the utility model, the heat-fused portion of socket section can adopt hot melting plastic, and by resistance wire electrified regulation, make the fastening welding of the continuing surface of socket section and faucet section, jointing does not leave any gap, favorable sealing property.Be compared with the prior art, area of contact is larger, and location is more accurate, connects more firm, sealability is better, socket joint good rigidly, is applicable to actual production and construction, solve a connection difficult problem for current heavy caliber steel band bellows, connecting into power can reach 100%, and higher improves manufacturing efficiency.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of bigbore interior ladder way electric heating melting spigot and socket type steel band bellows provided by the utility model.
Fig. 2 is the partial enlarged drawing of the socket section of bigbore interior ladder way electric heating melting spigot and socket type steel band bellows provided by the utility model.
Fig. 3 is the partial enlarged drawing of the faucet section of bigbore interior ladder way electric heating melting spigot and socket type steel band bellows provided by the utility model.
Fig. 4 is the rear view of the socket section of bigbore interior ladder way electric heating melting spigot and socket type steel band bellows provided by the utility model.
In accompanying drawing 1,2,3,4, the list of parts representated by each label is as follows:
1, steel strip corrugated pipeline section, 2, socket section, 3, faucet section, the 4, first blind hole, the 5, second blind hole, 6, resistance wire.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, illustrated embodiment, only for explaining the utility model, is not intended to limit scope of the present utility model.
In an embodiment, as shown in Figure 1, a kind of bigbore interior ladder way electric heating melting spigot and socket type steel band bellows, comprises middle steel strip corrugated pipeline section 1, is connected to the socket section 2 of described steel strip corrugated pipeline section 1 one end and is connected to the faucet section 3 of described steel strip corrugated pipeline section 1 the other end.
As shown in Figure 2, described socket section 2 comprises the bellmouth ladder section of three grades, and the external diameter of bellmouth ladder section at different levels is identical, and the interior of bellmouth ladder section at different levels successively decreases to the one end near described steel strip corrugated pipeline section 1 successively away from one end of described steel strip corrugated pipeline section 1 without leave.
As shown in Figure 3, described faucet section 3 comprises the socket ladder section of three grades, and the internal diameter of socket ladder section at different levels is identical, and the outer of socket ladder section at different levels successively decreases to the one end away from described steel strip corrugated pipeline section 1 successively near one end of described steel strip corrugated pipeline section 1 without leave.
The internal diameter of bellmouth ladder section at different levels and the external diameter one_to_one corresponding of socket ladder section at different levels.
In described socket section 2, be embedded with resistance wire 6 along the circumference of described socket section 2, described resistance wire 6 comprises the resistance wire segmentation of three sections, is embedded with the resistance wire segmentation described in a section in the bellmouth ladder section described in each section.
As shown in Figure 4, the end face away from described steel strip corrugated pipeline section 1 side of described socket section 2 offers the first blind hole 4 and the second blind hole 5, and described first blind hole 4 is connected two of described resistance wire 6 respectively with described second blind hole 5.
Wherein, described resistance wire 6 is arranged with curve shape or the broken line shape circumference along described socket section 2.The outer wall of described socket section 2 and bellows body parallel to an axis, the inwall of described faucet section 3 and bellows body parallel to an axis.
The external diameter of above steel strip corrugated pipeline section 1 can reach 300 ~ 3000mm.
When carrying out pipeline and connecting, first by the socket section in adjacent 2-section pipe road and faucet section grafting, after position is fixing, resistance wire is energized, the surface of contact at high temperature welding of socket section and faucet section, thus being fixedly connected with safe and reliable for 2-section pipe road and good seal.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a bigbore interior ladder way electric heating melting spigot and socket type steel band bellows, comprise middle steel strip corrugated pipeline section (1), be connected to the socket section (2) of described steel strip corrugated pipeline section (1) one end and be connected to the faucet section (3) of described steel strip corrugated pipeline section (1) the other end, it is characterized in that: described socket section (2) comprises multistage bellmouth ladder section, the external diameter of bellmouth ladder section at different levels is identical, the interior of bellmouth ladder section at different levels successively decreases to the one end near described steel strip corrugated pipeline section (1) successively away from one end of described steel strip corrugated pipeline section (1) without leave, described faucet section (3) comprises the socket ladder section equal with the progression of described bellmouth ladder section, the internal diameter of socket ladder section at different levels is identical, the outer of socket ladder section at different levels successively decreases to the one end away from described steel strip corrugated pipeline section (1) successively near one end of described steel strip corrugated pipeline section (1) without leave, the internal diameter of bellmouth ladder section at different levels and the external diameter one_to_one corresponding of socket ladder section at different levels, resistance wire (6) is embedded with along the circumference of described socket section (2) in described socket section (2), described resistance wire (6) is near the inwall of described socket section (2), described resistance wire (6) is parallel with the inwall of described socket section (2).
2. bigbore interior ladder way electric heating melting spigot and socket type steel band bellows according to claim 1, it is characterized in that: described resistance wire (6) comprises the multiple resistance wire segmentations equal with the progression of described bellmouth ladder section, be embedded with the resistance wire segmentation described in a section in bellmouth ladder section described in every one-level, each described resistance wire segmentation is connected successively.
3. bigbore interior ladder way electric heating melting spigot and socket type steel band bellows according to claim 2, it is characterized in that: on the end face away from described steel strip corrugated pipeline section (1) side of described socket section (2), offer the first blind hole (4) and the second blind hole (5), described first blind hole (4) is connected two of described resistance wire (6) respectively with described second blind hole (5).
4. according to the arbitrary described bigbore interior ladder way electric heating melting spigot and socket type steel band bellows of claims 1 to 3, it is characterized in that: described resistance wire (6) is arranged with curve shape or the broken line shape circumference along described socket section (2).
5. according to the arbitrary described bigbore interior ladder way electric heating melting spigot and socket type steel band bellows of claims 1 to 3, it is characterized in that: the outer wall of described socket section (2) and bellows body parallel to an axis, the inwall of described faucet section (3) and bellows body parallel to an axis.
6., according to the arbitrary described bigbore interior ladder way electric heating melting spigot and socket type steel band bellows of claims 1 to 3, it is characterized in that: the ratio of the horizontal length of the horizontal width in the region that described resistance wire (6) covers and the inwall of described socket section (2) is 8 ~ 10:18.
7., according to the arbitrary described bigbore interior ladder way electric heating melting spigot and socket type steel band bellows of claims 1 to 3, it is characterized in that: the external diameter of described steel strip corrugated pipeline section (1) is 300 ~ 3000mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520888800.1U CN205078934U (en) | 2015-11-10 | 2015-11-10 | Interior ladder way electrothermal welding socket joint formula steel band bellows of heavy -calibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520888800.1U CN205078934U (en) | 2015-11-10 | 2015-11-10 | Interior ladder way electrothermal welding socket joint formula steel band bellows of heavy -calibre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205078934U true CN205078934U (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520888800.1U Expired - Fee Related CN205078934U (en) | 2015-11-10 | 2015-11-10 | Interior ladder way electrothermal welding socket joint formula steel band bellows of heavy -calibre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205078934U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109094068A (en) * | 2018-08-22 | 2018-12-28 | 联塑科技发展(贵阳)有限公司 | A kind of injection molding socket joint flexible connection steel-belt-pipe and application method |
| CN112714704A (en) * | 2018-09-21 | 2021-04-27 | 韦巴斯托股份公司 | Roller blind arrangement comprising a bellows winding shaft |
-
2015
- 2015-11-10 CN CN201520888800.1U patent/CN205078934U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109094068A (en) * | 2018-08-22 | 2018-12-28 | 联塑科技发展(贵阳)有限公司 | A kind of injection molding socket joint flexible connection steel-belt-pipe and application method |
| CN112714704A (en) * | 2018-09-21 | 2021-04-27 | 韦巴斯托股份公司 | Roller blind arrangement comprising a bellows winding shaft |
| CN112714704B (en) * | 2018-09-21 | 2022-10-28 | 韦巴斯托股份公司 | Roller blind arrangement comprising a bellows winding shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20191110 |