CN202360930U - Compression type pipeline connecting piece for stainless steel thin-walled pipe - Google Patents
Compression type pipeline connecting piece for stainless steel thin-walled pipe Download PDFInfo
- Publication number
- CN202360930U CN202360930U CN2011204472183U CN201120447218U CN202360930U CN 202360930 U CN202360930 U CN 202360930U CN 2011204472183 U CN2011204472183 U CN 2011204472183U CN 201120447218 U CN201120447218 U CN 201120447218U CN 202360930 U CN202360930 U CN 202360930U
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- connecting body
- pipe
- connecting piece
- thin
- cylinder
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Abstract
The utility model discloses a compression type pipeline connecting piece for a stainless steel thin-walled pipe. The connecting piece comprises a connecting body, an adhesive layer and a connected pipe. An excircle and an inner hole at the end of the connecting body both take a step shape which is thick in ends and thin in middle; the diameter of the inner hole is 0.2 to 0.5mm greater than the diameter of the excircle of the connected pipe; and anaerobic adhesives are coated on the surface of the inner hole so as to form the adhesive layer. The connected pipe is inserted into the hole and is clamped by a cold clamping annular mold, so that the contact surfaces between the connected pipe and the connecting body generate plastic deformation and are meshed and riveted together so as to realize the connection of the pipe fittings. The pipeline connecting piece is simple to construct and convenient to operate, and the pipe cost and the mounting time and cost can be saved; and moreover, the pipeline connecting piece has high drawing resistance, reliable connection and high sealing property and is particularly suitable for connecting thin-walled stainless steel pipes in a water supply system and a gas system.
Description
Affiliated technical field
The utility model relates to a kind of interconnective link of stainless steel thin-wall tubing that is used for realizing.
Background technique
At present, the Placement between the existing stainless steel thin-wall tubing has following several kinds: have plenty of employing welding type between link and the stainless steel thin-wall tubing is connected.This welding type Placement, the construction trouble, the scene must make electricity consumption, the poor chromium phenomenon of the high appearance easily of the position temperature of its welding, solution treatment can not be carried out again in the scene, and the welding part is got rusty easily.And this welding connecting mode cost is higher; Have plenty of and seal ring is set in link and causes the link and the plastic deformation of pipe fitting oral area to accomplish being connected between link and the stainless steel thin-wall tubing through extruding.The used seal ring of this Placement is the nitrile rubber seal ring, and its weatherability and rebound elasticity are all relatively poor, the sealing easy ageing, and time one is long to cause seepage probably, can't guarantee that pipe-line system does not have to leak for a long time to take place; Also have plenty of and adopt simple bonding way; This mode is that the attachment hole of link is made internal taper hole; Simultaneously the connection mouth of stainless steel pipe is made the outer cone mouth; Sealant is spread upon respectively in the internal taper hole of link on the surface with the outer cone mouth of stainless steel pipe, the outer cone mouth with stainless steel pipe inserts in the internal taper hole of link at last, realizes their connection again.Though this Placement has solved the problem of aging of seal ring, the tension pull out force between them is also not ideal, and join strength is not as the front dual mode.Therefore the Connecting format of stainless steel thin-wall tubing remains further to be solved.
Summary of the invention
The purpose of the utility model is to avoid above-mentioned deficiency of the prior art, and a kind of construction is simple, easy to operate, the tension pull out force high, it is reliable to connect, the pipe joint of favorable sealing property and provide.
The purpose of the utility model realizes through following technical measures: this pipe joint includes connecting body, adhesive layer and connected tube material; Wherein all to be the termination thin step-like in the middle of thick for the cylindrical of connecting body joint and endoporus, and the diameter of bore of its end is than the big 0.2mm～0.5mm of outside diameter of connected tube material.Also on the bore area of the termination of connecting body, be coated with anaerobic adhesive in addition and form adhesive layer.And then connected plate tubing is inserted in the termination endoporus of connecting body, the step in its connecting body termination endoporus can stop the continuation of connected tube material to be inserted, and plays the axially locating effect.Impose the card pressure with the external cylindrical surface of cold card pressure ring shape mould at last to the connecting end head position of connecting body; Make the wall of the connecting end head position of connecting body produce plastic deformation; Form regular polygon cylinder together and recessed annulus circle, and be riveted together with the outer round surface engagement of connected tube material.Adhesive layer anoxic in the pipe joint that card presses is solidified rapidly, plays sealing and bonding effect, thereby accomplishes the connection to pipe fitting.
The utility model can card extrudes the twice regular polygon on the external cylindrical surface of the connecting end head position of connecting body cylinder with recessed annulus circle, wherein the recessed annulus circle in this road is the centre that is located at this twice regular polygon cylinder.
The utility model also can extrude the cylinder of the recessed annulus circle of twice with regular polygon by card on the external cylindrical surface of the connecting end head position of connecting body, wherein the just polygon cylinder in this road is the centre that is positioned at the recessed annulus circle of these twice.
The described connecting body of the utility model is the connecting body of straight-through shape, or the connecting body of elbow-shaped, the perhaps connecting body of threeway shape.
The utility model beneficial effect compared with prior art be construction simple, easy to operate, practice thrift tubing cost and installation work-hour expense greatly.And its join strength is very high, and sealing is good especially, very is fit to the connection of the thin-wall stainless steel tubing in water supply system, the gas burning system.
Description of drawings
Fig. 1 is a kind of long splice composition of the utility model.
Fig. 2 is the A-A sectional drawing of Fig. 1.
Fig. 3 is the another kind of long splice composition of the utility model.
Fig. 4 is the B-B sectional drawing of Fig. 3.
Fig. 5 is the structural drawing of straight-through shape connecting body.
Fig. 6 is the structural drawing of elbow-shaped connecting body.
Fig. 7 is the structural drawing of threeway shape connecting body.
Embodiment
The utility model is made further detailed description below in conjunction with accompanying drawing and embodiment: this pipe joint is to be made up of connecting body 1, adhesive layer 2 and connected tube material 3.The profile of connecting body 1 is the cylinder of straight-through shape, and the cylindrical of its end and endoporus all are thin step-like in thick centre, termination, and the diameter of bore of its end is than the big 0.3mm of outside diameter of connected tube material 3.Also anaerobic adhesive is spread upon on the termination bore area of connecting body 1 in addition, form adhesive layer 2.The termination of connected tube material 3 is inserted in the termination endoporus of connecting body 1, and the step in its termination endoporus can play the axially locating effect, stops the continuation of connecting tube 3 to be inserted.After connected tube material 3 inserts; Imposing card with a cold card pressure ring shape mould to the position, termination of connecting body 1 cylindrical again presses; Let the external cylindrical surface of connection termination of connecting body 1 produce plastic deformation; Different according to the die cavity of cold card pressure ring shape mould, cylinder that can card extrudes the twice regular polygon on the external cylindrical surface of the connecting end head position of connecting body 1 is with recessed annulus circle, and wherein the recessed annulus circle in this road is sandwiched in the centre of this twice regular polygon cylinder.Perhaps can on the external cylindrical surface of the connecting end head position of connecting body 1, extrude the cylinder of the recessed annulus circle of twice with regular polygon by card, wherein the cylinder of this road regular polygon is sandwiched in the centre of the recessed annulus circle of these twice.Both of these case all can make the wall of the connecting end head position of connecting body 1 produce plastic deformation, thereby is riveted together with the joint outer round surface engagement of connected tube material 3.Adhesive layer 2 anoxic in the pipeline connecting body that card presses is solidified rapidly, plays sealing and bonding effect, so accomplish the connection to pipe fitting.
Connecting body 1 as needing only straight-through shape among the above embodiment changes the connecting body of elbow-shaped or the connecting body of threeway shape into, and other structure is constant, just can constitute other several kinds of embodiments.
Claims (4)
1. the pipe joint of a clamp-press type stainless-steel thin-wall pipe; Include connecting body (1); Adhesive layer (2) and connected tube material (3); It is thin step-like in the middle of thick that cylindrical and the endoporus that it is characterized in that connecting body (1) joint all is the termination, and the diameter of bore of its end also is coated with anaerobic adhesive in addition and forms adhesive layer (2) than the big 0.2mm～0.5mm of outside diameter of connected tube material on the termination bore area of connecting body (1); Connected tube material (3) is to be inserted in the termination endoporus of connecting body (1), and card extrudes the cylinder of one regular polygon and recessed annulus circle together on the external cylindrical surface of the connecting end head position of connecting body (1) afterwards.
2. the pipe joint of a kind of clamp-press type stainless-steel thin-wall pipe according to claim 1; It is characterized in that card is pressed with the twice regular polygon on the external cylindrical surface of the connecting end head position of connecting body (1) cylinder with recessed annulus circle, wherein the recessed annulus circle in this road is the centre that is positioned at the cylinder of this twice regular polygon.
3. require the pipe joint of described a kind of clamp-press type stainless-steel thin-wall pipe according to right 1; It is characterized in that card is pressed with the cylinder of the recessed annulus circle of twice with regular polygon on the external cylindrical surface of the connecting end head position of connecting body (1), wherein the cylinder of this road regular polygon is the centre that is positioned at the recessed annulus circle of these twice.
4. according to the pipe joint of claim 1 or 2 or 3 described a kind of clamp-press type stainless-steel thin-wall pipes, it is characterized in that connecting body is the connecting body of straight-through shape, the perhaps connecting body of elbow-shaped, the perhaps connecting body of threeway shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204472183U CN202360930U (en) | 2011-11-14 | 2011-11-14 | Compression type pipeline connecting piece for stainless steel thin-walled pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204472183U CN202360930U (en) | 2011-11-14 | 2011-11-14 | Compression type pipeline connecting piece for stainless steel thin-walled pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202360930U true CN202360930U (en) | 2012-08-01 |
Family
ID=46572116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204472183U Expired - Fee Related CN202360930U (en) | 2011-11-14 | 2011-11-14 | Compression type pipeline connecting piece for stainless steel thin-walled pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202360930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662311A (en) * | 2018-07-30 | 2018-10-16 | 合肥恒翔电子科技有限公司 | A kind of closed type refrigerator cold wind air duct joint structure |
-
2011
- 2011-11-14 CN CN2011204472183U patent/CN202360930U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662311A (en) * | 2018-07-30 | 2018-10-16 | 合肥恒翔电子科技有限公司 | A kind of closed type refrigerator cold wind air duct joint structure |
| CN108662311B (en) * | 2018-07-30 | 2023-08-29 | 合肥恒翔电子科技有限公司 | Cold air duct interface structure of sealed refrigerator |
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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 |
Granted publication date: 20120801 Termination date: 20201114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |