CN208138635U - Swelling ring type stainless steel pipes connection structure - Google Patents
Swelling ring type stainless steel pipes connection structure Download PDFInfo
- Publication number
- CN208138635U CN208138635U CN201820491972.9U CN201820491972U CN208138635U CN 208138635 U CN208138635 U CN 208138635U CN 201820491972 U CN201820491972 U CN 201820491972U CN 208138635 U CN208138635 U CN 208138635U
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- pipe fitting
- stainless steel
- ring
- pipe
- external member
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Abstract
Swelling ring type stainless steel pipes connection structure, belongs to metal tube attachment device field.It is characterized by comprising pipe fittings, insert two supporting sleeves at the both ends of pipe fitting；External screw thread is set on the both ends periphery wall of pipe fitting, and the both ends of pipe fitting are screwed on nut respectively by external screw thread；Pipe fitting insertion space is formed between the nut and supporting sleeve and between pipe fitting and supporting sleeve from outside to inside；Interior snap ring is set on the inner wall of nut overhanging end, sets gradually distensible ring external member and clamping sleeve from outside to inside in the pipe fitting insertion space between interior snap ring and pipe fitting.The utility model easily docks connection stainless steel tube, and connection sealing is high；In addition, by way of positive and negative rotation nut when the present apparatus being enabled to dismount connecting pipe, detachable connection can be realized under the premise of not damaging tube body, it being capable of repetitive cycling use.The present apparatus is particularly suitable for the connection of thin-wall stainless steel, and the deformation of close and pipe fitting is minimum.
Description
Technical field
The utility model belongs to metal tube attachment device field, and in particular to a kind of connection of thin-wall stainless steel pipe fitting
Device.
Background technique
In current pipeline connection type, the most widely used is clamp-press type, and specific structure is to set on pipe fitting
A circle fin is set, places O-ring in the slot on the inside of fin, after the birdsmouth of pipeline insertion connector, with special tool pair
Birdsmouth is squeezed, and deformation is brought it about, and is engaged on pipeline, while fin also deforms therewith, outside compressing O-ring and pipeline
Wall is fitted close, to achieve the purpose that fastening and sealing, but the disadvantage of this connection type is also clearly：Tool cost
It is high, it is complicated for operation, it needs to give operator training before use, therefore be not easy to installation rapidly and efficiently, it is most important
, it is easy to cause compression failure because of misoperation in this way, influences connection and sealing effect.Therefore, now
It needs a kind of easy for installation and connects the high connection structure of qualification rate.
In order to overcome the deficiencies of the prior art, this patent provides a kind of swelling ring type connection structure for steel pipe connection, leads to
The mode for crossing swelling achievees the purpose that pipe fitting is closely connected.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of swelling ring type stainless steel pipes connection structures, convenient
Docking connection stainless steel tube, connection sealing is high；In addition, second technical problem that the utility model solves is by this dress
The connection for setting progress pipe fitting can realize detachable connection under the premise of not damaging tube body, being capable of repetitive cycling use.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of swelling ring type stainless steel pipes are provided
Connection structure, it is characterised in that including pipe fitting, insert two supporting sleeves at the both ends of pipe fitting；Outside the both ends of pipe fitting
External screw thread is set on peripheral wall, and the both ends of pipe fitting are screwed on nut respectively by external screw thread；Between the nut and supporting sleeve, with
And pipe fitting insertion space is formed between pipe fitting and supporting sleeve from outside to inside；Card in being arranged on the inner wall of nut overhanging end
Ring sets gradually distensible ring external member and clamping sleeve in the pipe fitting insertion space between interior snap ring and pipe fitting from outside to inside；?
Stainless steel pipe is inserted into pipe fitting insertion space, the distensible ring external member and clamping sleeve are sleeved on the periphery wall of stainless steel pipe
On, when rotating nuts are mobile to pipe fitting direction, interior snap ring can shrink the axial length of pipe fitting insertion space, clamping sleeve jam-packed
Distensible ring external member simultaneously enables distensible ring external member expand, jam-packed stainless steel pipe.
Preferably, the tension ring external member includes outer ring body and inner ring body, the outer ring body together with inner ring body fitting,
The fitting face of outer ring body and inner ring body is conical contact surface.
Preferably, annular groove is opened up on the internal perisporium of pipe fitting, " O " type sealing ring, institute is embedded in annular groove
Stating " O " type sealing ring can be set with and be sealingly disposed on the periphery wall of stainless steel pipe.
Preferably, annular groove is opened up on the periphery wall of supporting sleeve, " O " type sealing ring is embedded in annular groove,
" O " the type sealing ring can be set with and be sealingly disposed on the periphery wall of stainless steel pipe.
Compared with prior art, the utility model has the beneficial effects that：
The utility model easily docks connection stainless steel tube, and connection sealing is high；In addition, passing through positive and negative rotation nut
Mode when the present apparatus being enabled to dismount connecting pipe, can realize detachable connection, Neng Gouchong under the premise of not damaging tube body
It is multiple to be recycled.The present apparatus is particularly suitable for the connection of thin-wall stainless steel, and the deformation of close and pipe fitting is minimum.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic perspective view of distensible ring external member；
Fig. 3 is the cross-sectional view of distensible ring external member；
In figure：1, stainless steel tube；2, nut；2.1, interior snap ring；3, distensible ring external member；3.1, inner ring body；3.2, outer ring body；
4, clamping sleeve；5, " O " type sealing ring；6, pipe fitting；7, supporting sleeve.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing.
As shown in Figure 1, swelling ring type stainless steel pipes connection structure described in the utility model, including pipe fitting, in pipe
The both ends of connector insert two supporting sleeves；External screw thread is set on the both ends periphery wall of pipe fitting, and the both ends of pipe fitting pass through
External screw thread is screwed on nut respectively；Shape from outside to inside between the nut and supporting sleeve and between pipe fitting and supporting sleeve
At pipe fitting insertion space；Snap ring in being arranged on the inner wall of nut overhanging end, the pipe fitting insertion between interior snap ring and pipe fitting
Distensible ring external member and clamping sleeve are set gradually in space from outside to inside.
As shown in Fig. 2, the tension ring external member includes outer ring body and inner ring body, the outer ring body and inner ring body are linked in one
It rises, the fitting face of outer ring body and inner ring body is conical contact surface.
In the present embodiment, annular groove is opened up on the internal perisporium of pipe fitting, the sealing of " O " type is embedded in annular groove
Circle, " O " the type sealing ring can be set with and are sealingly disposed on the periphery wall of stainless steel pipe.Further, it is also possible to supporting
Annular groove is opened up on the periphery wall of casing, " O " type sealing ring is embedded in annular groove, " O " the type sealing ring can cover
On the periphery wall for filling and being sealingly disposed in stainless steel pipe.
The utility model easily docks connection stainless steel tube, and connection sealing is high；In addition, passing through positive and negative rotation nut
Mode when the present apparatus being enabled to dismount connecting pipe, can realize detachable connection, Neng Gouchong under the premise of not damaging tube body
It is multiple to be recycled.The present apparatus is particularly suitable for the connection of thin-wall stainless steel, and the deformation of close and pipe fitting is minimum.
The application method of swelling ring type stainless steel pipes connection structure described in the utility model is as follows：
Stainless steel pipe is inserted into pipe fitting insertion space, the distensible ring external member and clamping sleeve are sleeved on stainless steel pipe
Periphery wall on, rotate in the forward direction nut it is mobile to pipe fitting direction when, the axial direction that interior snap ring can shrink pipe fitting insertion space is long
Degree, clamping sleeve jam-packed distensible ring external member simultaneously enable distensible ring external member expand, jam-packed stainless steel pipe.When needing to dismantle above-mentioned connection,
Nut only need to be reversely rotated, enables it to, clamping sleeve release distensible ring external member mobile far from pipe fitting direction, the contraction of distensible ring external member
And no longer jam-packed stainless steel pipe, stainless steel pipe is drawn back out of pipe fitting insertion space.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation.It is all without departing from the content of the technical scheme of the utility model, according to the technical essence of the utility model pair
Any simple modification, equivalent variations and remodeling, still fall within the protection model of technical solutions of the utility model made by above embodiments
It encloses.
Claims (4)
1. swelling ring type stainless steel pipes connection structure, it is characterised in that including pipe fitting, insert two at the both ends of pipe fitting
Supporting sleeve；External screw thread is set on the both ends periphery wall of pipe fitting, and the both ends of pipe fitting are screwed on nut respectively by external screw thread；
Pipe fitting insertion space is formed between the nut and supporting sleeve and between pipe fitting and supporting sleeve from outside to inside；In spiral shell
Interior snap ring is set on the inner wall of female overhanging end, is successively set from outside to inside in the pipe fitting insertion space between interior snap ring and pipe fitting
Set distensible ring external member and clamping sleeve；Stainless steel pipe, the distensible ring external member and clamping sleeve set are inserted into pipe fitting insertion space
On the periphery wall of stainless steel pipe, when rotating nuts are mobile to pipe fitting direction, it is empty that interior snap ring can shrink pipe fitting insertion
Between axial length, clamping sleeve jam-packed distensible ring external member simultaneously enable distensible ring external member expand, jam-packed stainless steel pipe.
2. swelling ring type stainless steel pipes connection structure described in accordance with the claim 1, it is characterised in that：The distensible ring external member
Including outer ring body and inner ring body, for the outer ring body together with inner ring body fitting, the fitting face of outer ring body and inner ring body is circular cone
Shape contact surface.
3. swelling ring type stainless steel pipes connection structure according to claim 2, it is characterised in that：In the inner circumferential of pipe fitting
Annular groove is opened up on wall, " O " type sealing ring is embedded in annular groove, " O " the type sealing ring, which can be set with and seal, to be set
It sets on the periphery wall of stainless steel pipe.
4. swelling ring type stainless steel pipes connection structure according to claim 2, it is characterised in that：In the outer of supporting sleeve
Annular groove is opened up on peripheral wall, " O " type sealing ring is embedded in annular groove, and " O " the type sealing ring can be set with and seal
It is arranged on the periphery wall of stainless steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820491972.9U CN208138635U (en) | 2018-04-09 | 2018-04-09 | Swelling ring type stainless steel pipes connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820491972.9U CN208138635U (en) | 2018-04-09 | 2018-04-09 | Swelling ring type stainless steel pipes connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208138635U true CN208138635U (en) | 2018-11-23 |
Family
ID=64291399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820491972.9U Active CN208138635U (en) | 2018-04-09 | 2018-04-09 | Swelling ring type stainless steel pipes connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208138635U (en) |
-
2018
- 2018-04-09 CN CN201820491972.9U patent/CN208138635U/en active Active
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