CN204420410U - A kind of bellows positive mechanical formula clamp sleeve - Google Patents
A kind of bellows positive mechanical formula clamp sleeve Download PDFInfo
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- CN204420410U CN204420410U CN201520041493.3U CN201520041493U CN204420410U CN 204420410 U CN204420410 U CN 204420410U CN 201520041493 U CN201520041493 U CN 201520041493U CN 204420410 U CN204420410 U CN 204420410U
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- bellows
- cutting ferrule
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- nut
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Abstract
A kind of bellows positive mechanical formula clamp sleeve, it is positioned between the bellows (5) of hard pipeline and band plastic sheath, it comprises nut (1), cutting ferrule (2) and joint (4), described joint (4) has two ports, and the outer wall of two near ports of described joint (4) is provided with screw thread (6); The cross section of described cutting ferrule (2) is c-shaped, the sidewall of described cutting ferrule (2) offers the longitudinal opening gap (2-1) run through end to end, the diameter matches of the internal diameter size of described cutting ferrule (2) and the trough of described bellows (5), the outside dimension of described cutting ferrule (2) mates with the internal diameter of described nut (1); Described nut (1) one end is threaded end (1-2), and the other end is spacing place (1-1).There is easy to loading and unloading, beautiful shape, the feature such as sealing is reliable, sealing life is long and cost is low.
Description
Technical field
The utility model relates to a kind of bellows clamp sleeve, particularly relates to a kind of bellows positive mechanical formula clamp sleeve.
Background technique
The characteristic that stainless steel material bellows can bend, and the advantage having metal pipe concurrently, be suitable for using in combustion gas from the beginning, hot-water heating and oil circuit pipeline.In order to make bellows can be tightly connected with the hard pipeline of steel or PVC material, adopting the prefabricated joint of engineering in the market or adopting the joint of clamp sleeve, but said structure is at installation and functionally existing defects:
1. when the joint adopting engineering prefabricated:
Owing to having been come by specific linkage structure, therefore, in use, the length of bellows is fixed length.This just makes it can only be confined to little occasion use, and various installation occasion of can not being used widely.
2. when adopting clamp sleeve joint:
1. be " a kind of linkage structure of bellows of novelty " of 200410084686.7 see China Patent No., this linkage structure comprises two liners and a nut, the inner side of liner has the shape matched with bellows outer surface, spiro cap is on bellows, nut is connected with adapter by screw thread, and the shade of nut is blocked in the end of above-mentioned liner.
The linkage structure of above-mentioned bellows utilizes liner to withhold on bellows, and bellows can not be deviate from; Then utilize nut to block liner, after nut is connected with adapter, just makes bellows be fixedly connected with adapter.Seal ring set between adapter and bellows can play the effect of sealing, occurs leakage phenomenon to prevent joint.
But the outside of bellows is usually also overlapped and had plastic protective sleeve, needs the plastic protective sleeve at corrugated tube end place to peel off when assembling, therefore, seem very inconvenience in practical set process.Meanwhile, after peeling off a part of protecting jacket, outside the metallic member of bellows may be exposed to, affect attractive in appearance, metallic member so also can be made to corrode it by extraneous medium effect.In addition, when dismantling and when nut exits, the stop of plastic protective sleeve can be subject to, dismantle also more difficult.
2. provide coupling mechanism force insecure situation because the limit stoper of bellows when installing exists, if operator are excessive force when locking, the limit stoper utilizing and coordinate with the single crest shape of bellows may be damaged, cause position-limit mechanism to fracture or the single crest gross distortion of bellows, cause enough coupling mechanism forces cannot being provided and causing leakage.In order to the part of repairing damage need excise relevant bellows crest, effect and efficiency are installed in impact thus.Simultaneously because seal face when bellows is produced may exist sharp burrs or fast mouth situation, easily cause when applying excessive helical pressure to it or repeatedly compressing corrugated pipe end plane to cut Sealing, cause Sealing to damage and affect the sealing effect of bellows.
Owing to there is above-mentioned defect in prior art, the installation efficiency of a kind of operator of raising of market in urgent need, reliably coupling mechanism force is provided and reduces the seal leakage situation that the damage of Sealing is caused and to occur and safer, effectively and do not damage the mechanical compaction sleeve of plastic protective sleeve outside bellows.
Summary of the invention
The purpose of this utility model is to provide a kind of bellows mechanical type clamp sleeve, and it can overcome the above-mentioned shortcoming of existing corrugated pipe connector, has the features such as the reliable and cost of easy to loading and unloading, beautiful shape, sealing is low simultaneously.
For realizing These characteristics, the utility model provides a kind of bellows mechanical type clamp sleeve, it is between hard pipeline and the bellows of band plastic sheath, it comprises nut, cutting ferrule and joint, described joint in a tubular form and have two ports, the outer wall of two near ports of described joint is provided with the screw thread that opposite direction rotates; The cross section of described cutting ferrule is c-shaped, the sidewall of described cutting ferrule offers the longitudinal opening gap run through end to end, the inwall of described cutting ferrule is provided with the groove of continuous print U-shaped, the diameter matches of the internal diameter size of described cutting ferrule and the trough of described bellows, the outside dimension of described cutting ferrule mates with the internal diameter of described nut; Described nut one end is threaded end, and the other end is spacing place.
One in two ports of described joint connects described bellows, and another connects described hard pipeline; The port connecting described bellows has the joint concave surface of the annular shoulder block of the end face for inserting described bellows and the end face for butt-joint corrugated pipe, and the end face of described bellows is connected with the joint concave surface of described joint by sealer, the external diameter of described annular shoulder block mates with the internal diameter size of described bellows.
The axial length of described cutting ferrule is equivalent to the distance between the trough minimum point of the ripple of more than 4 of described bellows; The shape of described groove and the mating shapes of described bellows outer wall ripple.
Described nut is outer-hexagonal nut, and the outside dimension of the internal diameter size at spacing place and the plastic sheath of described bellows matches, and described spacing place inwardly shrinks and internal diameter size is less than the outside dimension of described cutting ferrule.
Remove the spacing insertion of described bellows from described nut of part plastic sheath, cutting ferrule is rotatably provided on described bellows according to the shape of described bellows outer wall ripple, owing to offering the longitudinal opening gap run through end to end on the sidewall of described cutting ferrule, so described cutting ferrule can be arranged on the outer wall of described bellows easily, corrugated pipe end plane one to two crest place described in the Edge Distance making described cutting ferrule, described cutting ferrule is resisted against in the spacing place of described nut, reach the effect of fixing bellows, the groove of described cutting ferrule continuous print U-shaped is fastened on the ripple of described bellows outer wall, to reach the effect providing reliable coupling mechanism force, described annular shoulder block inserts the end face of described bellows, the threaded end of described nut is connected with the screw thread of described joint on the port outer wall being connected bellows by screw thread, under the drive of the coupling mechanism force rotated at described nut, the end face of described bellows is connected with the joint concave surface of described joint by sealer, reach sealing effect.
The beneficial effects of the utility model are: it can overcome the shortcoming of existing corrugated pipe connector, have simultaneously easy to loading and unloading, reliable coupling mechanism force, beautiful shape are provided, the feature such as sealing is reliable, sealing life is long and cost is low.Keep level and smooth, carrot-free technical requirements after it removes corrugated stainless steel tubing cutting, eliminate again and use the loaded down with trivial details of multiple types of tools.Ensure the safety specifications of construction quality, in turn ensure that reliably easy, reduce costs, save man-hour.
The utility model compared with prior art; this bellows self-sealed mechanical compaction sleeve contacts with the spacing place of nut due to cutting ferrule; reach bellows form reliable locking and positioning with adapter and the effect of reliable coupling mechanism force is provided; simultaneously because the space between bellows and the spacing place of nut is comparatively large, in connection bellows process, the plastic protective sleeve outside by bellows is not needed to peel off very long.Therefore, its assembling is more convenient.
Meanwhile, during dismounting, nut exits in process and is not stopped, therefore, dismantles also more convenient.In addition, the end face of bellows is connected to form sealing by the joint concave surface of sealer and joint, and structure is simple, has higher practicability.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is A-A sectional view of the present utility model;
Accompanying drawing 3 is parts drawing of the present utility model.
Reference character: 1. nut, the spacing place of 1-1., 1-2. threaded end, 2. cutting ferrule, 2-1. longitudinal opening gap, 3. joint concave surface, 4. joint, 5. bellows, 6. screw thread, 7. groove, 8. annular shoulder block
Embodiment
Referring now to accompanying drawing 1-3, embodiments of the invention are described in detail:
A kind of bellows mechanical type clamp sleeve, it is between hard pipeline and the bellows 5 of band plastic sheath, it comprises nut 1, cutting ferrule 2 and joint 4, described joint 4 in a tubular form and have two ports, the outer wall of two near ports of described joint 4 is provided with the screw thread 6 that opposite direction rotates; The cross section of described cutting ferrule 2 is c-shaped, the sidewall of described cutting ferrule 2 offers the longitudinal opening gap 2-1 run through end to end, the inwall of described cutting ferrule 2 is provided with the groove 7 of continuous print U-shaped, the diameter matches of the internal diameter size of described cutting ferrule 2 and the trough of described bellows 5, the outside dimension of described cutting ferrule 2 mates with the internal diameter of described nut 1; Described nut 1 one end is threaded end 1-2, and the other end is spacing place 1-1.
One in two ports of described joint 4 connects described bellows 5, and another connects described hard pipeline; The port connecting described bellows 5 has the joint concave surface 3 of the annular shoulder block 8 of the end face for inserting described bellows 5 and the end face for butt-joint corrugated pipe 5, and the end face of described bellows 5 is connected by the joint concave surface 3 of sealer with described joint 4, the external diameter of described annular shoulder block 8 mates with the internal diameter size of described bellows 5.
The axial length of described cutting ferrule 2 is equivalent to the distance between the trough minimum point of the ripple of more than 4 of described bellows 5; The shape of described groove 7 and the mating shapes of described bellows 5 outer wall ripple.
Described nut 1 is outer-hexagonal nut, and the outside dimension of the internal diameter size at described spacing place and the plastic sheath of described bellows 5 matches, and described spacing place 1-1 inwardly shrinks and internal diameter size is less than the outside dimension of described cutting ferrule.
The described bellows 5 removing part plastic sheath inserts from the spacing 1-1 of described nut 1, cutting ferrule 2 is rotatably provided on described bellows 5 according to the shape of described bellows 5 outer wall ripple, owing to offering the longitudinal opening gap 2-1 run through end to end on the sidewall of described cutting ferrule 2, so described cutting ferrule 2 can be arranged on the outer wall of described bellows 5 easily, end face one to the two crest place of bellows 5 described in the Edge Distance making described cutting ferrule 2, described cutting ferrule 2 is resisted against on the spacing place 1-1 of described nut 1, reach the effect of fixing bellows 5, the groove 7 of described cutting ferrule 2 continuous print U-shaped is fastened on the ripple of described bellows 5 outer wall, to reach the effect providing reliable coupling mechanism force, described annular shoulder block 8 inserts the end face of described bellows 5, the threaded end 1-2 of described nut 1 is connected with the screw thread 6 of described joint 4 on the port outer wall being connected bellows 5 by screw thread, under the coupling mechanism force drive that described nut 1 rotates, the end face of described bellows is connected by the joint concave surface 3 of sealer with described joint 4, reach sealing effect.
It can overcome the shortcoming of existing corrugated pipe connector, have simultaneously easy to loading and unloading, reliable coupling mechanism force, beautiful shape are provided, the feature such as sealing is reliable, sealing life is long and cost is low.Keep level and smooth, carrot-free technical requirements after it removes corrugated stainless steel tubing cutting, eliminate again and use the loaded down with trivial details of multiple types of tools.Ensure the safety specifications of construction quality, in turn ensure that reliably easy, reduce costs, save man-hour.
The utility model compared with prior art; this bellows self-sealed mechanical compaction sleeve contacts with the spacing place of nut due to cutting ferrule; reach bellows form reliable locking and positioning with adapter and the effect of reliable coupling mechanism force is provided; simultaneously because the space between bellows and the spacing place of nut is comparatively large, in connection bellows process, the plastic protective sleeve outside by bellows is not needed to peel off very long.Therefore, its assembling is more convenient.
Meanwhile, during dismounting, nut exits in process and is not stopped, therefore, dismantles also more convenient.In addition, the end face of bellows is connected to form sealing by the joint concave surface of sealer and joint, and structure is simple, has higher practicability.
Although above by illustrating; describe the embodiment of the best of the present invention; protection scope of the present invention is not limited in above-mentioned explanation; persons skilled in the art are understandable that; under the prerequisite not deviating from essence that the present invention instructs and marrow, any modifications and variations all fall into protection scope of the present invention.
Claims (5)
1. a bellows positive mechanical formula clamp sleeve, it is positioned between the bellows (5) of hard pipeline and band plastic sheath, it is characterized in that comprising nut (1), cutting ferrule (2) and joint (4), described joint (4) has two ports, and the outer wall of two near ports of described joint (4) is provided with screw thread (6); The cross section of described cutting ferrule (2) is c-shaped, the sidewall of described cutting ferrule (2) offers the longitudinal opening gap (2-1) run through end to end, the diameter matches of the internal diameter size of described cutting ferrule (2) and the trough of described bellows (5), the outside dimension of described cutting ferrule (2) mates with the internal diameter of described nut (1); Described nut (1) one end is threaded end (1-2), and the other end is spacing place (1-1).
2. bellows positive mechanical formula clamp sleeve according to claim 1, is characterized in that: the inwall of described cutting ferrule (2) is provided with the groove (7) of continuous print U-shaped.
3. bellows positive mechanical formula clamp sleeve according to claim 2, is characterized in that: one in two ports of described joint (4) connects described bellows (5), and another connects described hard pipeline; The port connecting described bellows (5) has the annular shoulder block (8) of the end face for inserting described bellows (5) and the joint concave surface (3) for the end face of butt-joint corrugated pipe (5), and the end face of described bellows (5) is connected with the joint concave surface (3) of described joint (4) by sealer, the external diameter of described annular shoulder block (8) mates with the internal diameter size of described bellows (5).
4. bellows positive mechanical formula clamp sleeve according to claim 3, is characterized in that: the axial length of described cutting ferrule (2) is equivalent to the distance between the trough minimum point of the ripple of more than 4 of described bellows (5); The shape of described groove (7) and the mating shapes of described bellows (5) outer wall ripple.
5. bellows positive mechanical formula clamp sleeve according to claim 4, it is characterized in that: described nut (1) is outer-hexagonal nut, the outside dimension of the internal diameter size at described spacing place and the plastic sheath of described bellows (5) matches, and described spacing place (1-1) is inwardly shunk and internal diameter size is less than the outside dimension of described cutting ferrule (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520041493.3U CN204420410U (en) | 2015-01-21 | 2015-01-21 | A kind of bellows positive mechanical formula clamp sleeve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520041493.3U CN204420410U (en) | 2015-01-21 | 2015-01-21 | A kind of bellows positive mechanical formula clamp sleeve |
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| CN204420410U true CN204420410U (en) | 2015-06-24 |
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| CN201520041493.3U Active CN204420410U (en) | 2015-01-21 | 2015-01-21 | A kind of bellows positive mechanical formula clamp sleeve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443891A (en) * | 2015-12-30 | 2016-03-30 | 海南百年福旦科技有限公司 | Connecting structure applied to helical stainless steel corrugated pipe |
-
2015
- 2015-01-21 CN CN201520041493.3U patent/CN204420410U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443891A (en) * | 2015-12-30 | 2016-03-30 | 海南百年福旦科技有限公司 | Connecting structure applied to helical stainless steel corrugated pipe |
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