CN204647647U - A kind of plastic-aluminum combined effective direct insertion joint - Google Patents
A kind of plastic-aluminum combined effective direct insertion joint Download PDFInfo
- Publication number
- CN204647647U CN204647647U CN201520255480.6U CN201520255480U CN204647647U CN 204647647 U CN204647647 U CN 204647647U CN 201520255480 U CN201520255480 U CN 201520255480U CN 204647647 U CN204647647 U CN 204647647U
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- groove
- clamp cover
- joint body
- plastic
- casing
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Abstract
A kind of plastic-aluminum combined effective direct insertion joint, comprise hollow and one end is provided with the joint body of nozzle belt, seal groove is provided with outside nozzle belt, seal ring is provided with in seal groove, also comprise the hollow clamp cover be set in outside nozzle belt, one end is set in that clamp cover is outer and the other end is fixed on the casing on described joint body, wherein be provided with the space of inserting for tubing between the inwall of clamp cover and nozzle belt outer wall, clamp cover sidewall is axially arranged with several opening blind slots extended towards joint body side, overlap on inwall at the clamp of side adjacent with joint body and be provided with several parallel annular latches, and the tooth depth of first latch adjacent with joint body is greater than the tooth depth of other latches, the outer wall at clamp cover middle part is provided with groove, corresponding is provided with projection on the inwall of casing, and be provided with gap between projection and groove.The utility model does not need instrument to install, convenient installation, time saving and energy saving, does not have spatial constraints, good seal performance, not easily occurs getting loose.
Description
Technical field
The utility model relates to pipe fitting mounting technique field, refers in particular to a kind of plastic-aluminum combined effective direct insertion joint.
Background technique
At present, what joint for aluminium-plastic composite tube often adopted is tongs press type and nut FERRULETYPE structure.Wherein, tongs press type joint need be installed with special pressing tongs, wastes time and energy, if installing space is narrower and small, also installation cannot be completed, in addition, if tongs press type joint is not pressed onto position by installation personnel because of carelessness, also can cause leakage, moreover, if tongs press type joint leaks, can not dismantle, tubing must be cut off, maintenance expenses is high, and joint can not reuse.And nut collar joint need be installed with spanner tightening nut, more waste time and energy, restriction of also having living space, if installing space is narrower and small, also installation cannot be completed, joint does not have peep hole, if tubing is not inserted into position, again or installation personnel does not tighten, just have risk of leakage, and after using a period of time, nut easily loosens, and also has risk of leakage.
Summary of the invention
The utility model provides a kind of plastic-aluminum combined effective direct insertion joint, and this plastic-aluminum combined effective direct insertion joint does not need instrument to complete installation, time saving and energy saving, and does not have spatial constraints, good seal performance.
For achieving the above object, the technological scheme that the utility model adopts is:
A kind of plastic-aluminum combined effective direct insertion joint, comprise hollow and one end is provided with the joint body of nozzle belt, seal groove is provided with outside nozzle belt, seal ring is provided with in seal groove, also comprise the hollow clamp cover be set in outside nozzle belt, one end is set in that clamp cover is outer and the other end is fixed on the casing on described joint body, wherein be provided with the space of inserting for tubing between the inwall of clamp cover and described nozzle belt outer wall, described clamp cover sidewall is axially arranged with several opening blind slots extended towards described joint body side, overlap on inwall at the clamp of side adjacent with described joint body and be provided with several parallel annular latches, and the tooth depth of first latch adjacent with described joint body is greater than the tooth depth of other latches, the outer wall at clamp cover middle part is provided with groove, corresponding is provided with projection on the inwall of casing, and be provided with gap between projection and groove.
In the utility model, clamp cover is limited in outside the nozzle belt of joint body by casing, and have the space of inserting for tubing between clamp cover and nozzle belt, clamp cover sidewall on be axially arranged with several towards joint body side extend opening blind slots and inwall is provided with several parallel annular latches, the tooth depth of first latch adjacent with joint body is greater than the tooth depth of other latches, thus when tubing is inserted, the tooth top of the first latch first catches tubing, form an astragal to tighten up, but not a circle face is tightened up, can ensure can not draw back after tubing inserts pine at once, other latch also firmly grasps tubing subsequently, the utility model is provided with groove on clamp cover outer wall, correspondingly on the inwall of casing, be provided with projection, gap is provided with between projection and groove, when tubing is stressed be pulled outwardly or by interior pressure time, due to protruding and fit depressions, thus tubing can not have larger displacement or be drawn out, and also can ensure sealability.
The longitudinal cross-section of described groove is curved or trapezoidal, and the longitudinal cross-section of described projection is also curved or trapezoidal.Protruding longitudinal cross-section has inclined-plane leading role, and when being pulled outwardly by tubing, inclined-plane adjacent with outer shell base in projection limits the movement that clamp overlaps, and then clamp is put be provided with one end of latch to be tightened up gradually, and guarantee tubing can not be drawn out; In like manner, when being inserted by tubing, the movement of protruding another inclined-plane restriction clamp cover, is located when ensureing that tubing inserts.When tubing is by interior pressure, the gap that casing and clamp overlap between arc or trapezoidal bottom surface is filled, and has enough sealed vols between seal ring and tubing, ensures water-tight.
Described joint body is arranged with outer shell base, and one end of described casing is fixed on outer shell base.Facilitate the installation of interior fittings, improve overall construction intensity of the present utility model.
The maximum inner diameter D4=dn+h*2+a of described projection, wherein, dn is the external diameter of tubing, and h is the maximum outside diameter place thickness of described clamp cover, a=1.0 ~ 1.5; When not inserting tubing, described gap B=0.35 ~ 0.45mm.Such size arranges and both avoided difficult intubation, too pine after tubing can not be caused again to insert, resistance to drawing property and sealability effect all better.
Also comprise and be arranged in described outer shell base and be set in power-assisted seat outside described nozzle belt, be set in and get pipe box outside described nozzle belt, the end overlapping adjacent power-assisted seat with described clamp is provided with the first inclined-plane, described clamp cover inwall outside described first latch is provided with the second inclined-plane coordinated with the first inclined-plane, the one end of getting pipe box is positioned at described casing, and the other end extends to outside described casing.When inserting tubing, the first inclined-plane coordinates with the second inclined-plane, and under the leading role on the first inclined-plane of power-assisted seat, clamp cover opens, and facilitates tubing to insert; When getting tubing, only need push away getting pipe box inward, get pipe box and namely can promote clamp cover and move to power-assisted seat direction, under the leading role on the first inclined-plane, clamp cover opens, and tubing just can easily be extracted.
Described groove side wall height near described joint body side is greater than the Sidewall Height of opposite side.Along the design of pipeline internal medium pressure direction, sealability is better.
Described outer shell base outer wall is provided with annular slot, the inwall of described casing is provided with the annular ridge coordinated with draw-in groove.Structure is simply firm.
Sidewall Height away from the described draw-in groove of described casing side is greater than the Sidewall Height of relative opposite side, and the sidewall of this side with bottom draw-in groove for arc is connected.Improve the intensity of outer shell base, the resistance to group performance of drawing of entirety of the present utility model is improved greatly.
Described clamp cover is provided with the circular hole communicated with described opening blind slot root.Improve the elastic force of clamp cover.
Compared with conventional art, the beneficial effect that the utility model brings has:
1, instrument is not needed to complete installation, convenient installation, time saving and energy saving, and there is no spatial constraints;
2, tubing inserts more convenient, and clamp is more firm, not easily occurs getting loose;
3, intubate is lighter, turn increases and gets pipe function, ensures that joint can be reused, keeps in repair quick and easy;
4, sealability is better;
5, effectively achieve direct insertion joint for connecting aluminium-plastic composite pipe, and resistance to drawing property and sealability can meet relevant criterion.
Accompanying drawing explanation
Fig. 1 is the concrete structure schematic diagram of the utility model embodiment;
Fig. 2 is the structural representation getting pipe box in the utility model embodiment;
Fig. 3 is the structural representation of clamp cover in the utility model embodiment;
Fig. 4 is the side view of clamp cover in the utility model embodiment;
Fig. 5 is the structural representation of the utility model embodiment China and foreign countries valve jacket;
Fig. 6 is the structural representation of power-assisted seat in the utility model embodiment;
Fig. 7 is the structural representation of the utility model embodiment China and foreign countries shell block;
Fig. 8 is the structural representation of the utility model embodiment middle joint body;
Fig. 9 is the structural representation of tubing in the utility model embodiment;
Reference character: 1, get pipe box; 11, barb; 2, clamp cover; 21, groove; 22, opening blind slot; 23, circular hole; 24, latch; 25, the second inclined-plane; 26, the first latch; 3, casing; 31, protruding; 32, fin; 33, hook groove; 4, power-assisted seat; 41, the first inclined-plane; 5, outer shell base; 51, draw-in groove; 52, positive stop lug boss; 6, joint body; 61, limited impression; 62, seal groove; 63, nozzle belt; 7, seal ring; 8, tubing; For limiting the maximum inner diameter of clamp cover position on D4, casing; Gap between projection in the groove that B, clamp put and casing; The maximum outside diameter place thickness of h, clamp cover; The external diameter of dn, tubing.
Embodiment
As shown in figs 1-9, a kind of plastic-aluminum combined effective direct insertion joint, comprise hollow and one end is provided with the joint body 6 of nozzle belt 63, seal groove 62 is provided with outside nozzle belt 63, seal ring 7 is provided with in seal groove 62, also comprise the hollow clamp cover 2 be set in outside nozzle belt 63, one end is set in that clamp cover 2 is outer and the other end is fixed on the casing 3 on joint body 6, wherein clamp overlaps the space being provided with between the inwall of 2 and nozzle belt 63 outer wall and inserting for tubing 8, overlap on 2 sidewalls at clamp and be axially arranged with several opening blind slots 22 extended towards joint body 6 side, overlap on 2 inwalls at the clamp of side adjacent with joint body 6 and be provided with several parallel annular latches 24, and the tooth depth of first latch 26 adjacent with joint body 6 is greater than the tooth depth of other latches 24, outer wall in the middle part of clamp cover 2 is provided with groove 21, corresponding is provided with protruding 31 on the inwall of casing 3, and be provided with gap between protruding 31 and groove 21.
Clamp cover 2 is limited in outside the nozzle belt 63 of joint body 6 by casing 3, and have the space of inserting for tubing 8 between clamp cover 2 and nozzle belt 63, clamp overlaps and 2 sidewalls is axially arranged with several opening blind slots 22 extended towards joint body 6 side and inwall is provided with several parallel annular latches 24, the tooth depth of other latches 24 is greater than with the tooth depth of first latch 26 of joint body phase 6 neighbours, thus when tubing 8 is inserted, the tooth top of the first latch 26 can first catch tubing 8, form an astragal to tighten up, but not a circle face is tightened up, can ensure can not draw back after tubing 8 inserts pine at once, other latch 24 also firmly grasps tubing 8 subsequently, in addition, overlap on 2 outer walls at clamp and be provided with groove 21, correspondingly on the inwall of casing 3, be provided with protruding 31, gap is provided with between protruding 31 and groove 21, when tubing 8 is stressed be pulled outwardly or by interior pressure time, because protruding 31 match with groove 21, thus tubing 8 can not have larger displacement or be drawn out, and also can ensure sealability.In sum, known plastic-aluminum combined effective direct insertion joint of the present utility model does not need instrument to complete installation, convenient installation, time saving and energy saving, and does not have spatial constraints, good seal performance, not easily occurs getting loose.
The longitudinal cross-section of groove 21 is curved or trapezoidal, and the longitudinal cross-section of protruding 31 is also curved or trapezoidal.The longitudinal cross-section of protruding 31 is trapezoidal, have inclined-plane leading role, when being pulled outwardly by tubing 8, on protruding 31, the inclined-plane adjacent with outer shell base 5 limits the movement that clamp overlaps 2, and then the one end making clamp cover 2 be provided with latch 24 are tightened up gradually, ensure that tubing 8 can not be drawn out; In like manner, when being inserted by tubing 8, another inclined-plane restriction clamp of protruding 31 overlaps the movement of 2, is located when ensureing that tubing 8 inserts.When tubing 8 is by interior pressure, the gap that casing 3 and clamp overlap between 2 arcs or trapezoidal bottom surface is filled, and has enough sealed vols between seal ring 7 and tubing 8, ensures water-tight.
Joint body 6 is arranged with outer shell base 5, and one end of casing 3 is fixed on outer shell base 5.
Wherein, the root position of nozzle belt 63 offers limited impression 61, the corresponding limited impression 61 of internal surface of casing 5 one end is provided with the positive stop lug boss 52 matched with limited impression 61, and casing 5 is fixed on joint body 6 by the cooperation of limited impression 61 and positive stop lug boss 52.
The maximum inner diameter D4=dn+h*2+a of protruding 31, wherein, dn is the external diameter of tubing 8, and h is the maximum outside diameter place thickness of clamp cover 2, a=1.0 ~ 1.5; When not inserting tubing 8, described gap B=0.35 ~ 0.45mm.Such size arranges and both avoided difficult intubation, too pine after tubing 8 can not be caused again to insert, resistance to drawing property and sealability effect all better.
Also comprise and be arranged in outer shell base 5 and be set in power-assisted seat 4 outside nozzle belt 63, be set in and get pipe box 1 outside nozzle belt 63, the end overlapping 2 adjacent power-assisted seats 4 with clamp is provided with the first inclined-plane 41, clamp outside the first latch 26 overlaps the second inclined-plane 25 2 inwalls being provided with and coordinating with the first inclined-plane 41, the one end of getting pipe box 1 is positioned at casing 3, and the other end extends to outside casing 3.When inserting tubing 8, the first inclined-plane 41 coordinates with the second inclined-plane 25, and under the leading role on the first inclined-plane 41, clamp cover 2 opens, and facilitates tubing 8 to insert; When getting tubing 8, only need push away inward by getting pipe box 1, get pipe box 1 and namely can promote clamp cover 2 and move to power-assisted seat 4 direction, under the leading role on the first inclined-plane 41, clamp overlaps 2 and opens, and tubing 8 just can easily be extracted.
Get one end internal surface stretched in casing 3 on pipe box 1 and form barb 11, casing 3 is arranged in the one end of getting pipe box 1 and is provided with the hook groove 33 matched with barb 11, get pipe box 1 and be connected on casing 3 by the cooperation of barb 11 and hook groove 33.
Seal groove 62 Sidewall Height near joint body 6 side is greater than the Sidewall Height of opposite side.This structure is along the design of pipeline internal medium pressure direction, and sealability is better.
Outer shell base 5 outer wall is provided with annular slot 51, the inwall of casing 3 is provided with the annular ridge 32 coordinated with draw-in groove 62.This structure is simply firm.
Sidewall Height away from the draw-in groove 51 of casing 3 side is greater than the Sidewall Height of relative opposite side, and the sidewall of this side with bottom draw-in groove 51 for arc is connected.Improve the intensity of outer shell base 5, the resistance to group performance of drawing of entirety of the present utility model is improved greatly.
Clamp cover 2 is provided with the circular hole 23 communicated with opening blind slot 22 root.Improve the elastic force of clamp cover 2.
Above-listed detailed description is illustrating for one of the utility model possible embodiments, this embodiment is also not used to limit the scope of the claims of the present utility model, allly do not depart from the equivalence that the utility model does and implement or change, all should be contained in the scope of the claims of this case.
Claims (9)
1. a plastic-aluminum combined effective direct insertion joint, comprise hollow and one end is provided with the joint body of nozzle belt, seal groove is provided with outside nozzle belt, seal ring is provided with in seal groove, it is characterized in that: also comprise the hollow clamp cover be set in outside nozzle belt, one end is set in that clamp cover is outer and the other end is fixed on the casing on described joint body, wherein be provided with the space of inserting for tubing between the inwall of clamp cover and described nozzle belt outer wall, described clamp cover sidewall is axially arranged with several opening blind slots extended towards described joint body side, overlap on inwall at the clamp of side adjacent with described joint body and be provided with several parallel annular latches, and the tooth depth of first latch adjacent with described joint body is greater than the tooth depth of other latches, the outer wall at clamp cover middle part is provided with groove, corresponding is provided with projection on the inwall of casing, and be provided with gap between projection and groove.
2. plastic-aluminum combined effective direct insertion joint according to claim 1, is characterized in that: the longitudinal cross-section of described groove is curved or trapezoidal, and the longitudinal cross-section of described projection is also curved or trapezoidal.
3. plastic-aluminum combined effective direct insertion joint according to claim 1 and 2, it is characterized in that: on described joint body, be arranged with outer shell base, one end of described casing is fixed on outer shell base.
4. plastic-aluminum combined effective direct insertion joint according to claim 3, is characterized in that: the maximum inner diameter D4=dn+h*2+a of described projection, and wherein, dn is the external diameter of tubing, and h is the maximum outside diameter place thickness of described clamp cover, a=1.0 ~ 1.5mm; When not inserting tubing, described gap B=0.35 ~ 0.45mm.
5. plastic-aluminum combined effective direct insertion joint according to claim 4, it is characterized in that: also comprise and be arranged in described outer shell base and be set in power-assisted seat outside described nozzle belt, be set in and get pipe box outside described nozzle belt, the end overlapping adjacent power-assisted seat with described clamp is provided with the first inclined-plane, described clamp cover inwall outside described first latch is provided with the second inclined-plane coordinated with the first inclined-plane, the one end of getting pipe box is positioned at described casing, and the other end extends to outside described casing.
6. plastic-aluminum combined effective direct insertion joint according to claim 5, is characterized in that: the described groove side wall height near described joint body side is greater than the Sidewall Height of opposite side.
7. plastic-aluminum combined effective direct insertion joint according to claim 6, is characterized in that: on described outer shell base outer wall, be provided with annular slot, the inwall of described casing is provided with the annular ridge coordinated with draw-in groove.
8. plastic-aluminum combined effective direct insertion joint according to claim 7, is characterized in that: the Sidewall Height away from the described draw-in groove of described casing side is greater than the Sidewall Height of relative opposite side, and the sidewall of this side with bottom draw-in groove for arc is connected.
9. plastic-aluminum combined effective direct insertion joint according to claim 8, is characterized in that: on described clamp cover, be provided with the circular hole communicated with described opening blind slot root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255480.6U CN204647647U (en) | 2015-04-24 | 2015-04-24 | A kind of plastic-aluminum combined effective direct insertion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255480.6U CN204647647U (en) | 2015-04-24 | 2015-04-24 | A kind of plastic-aluminum combined effective direct insertion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204647647U true CN204647647U (en) | 2015-09-16 |
Family
ID=54100398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520255480.6U Withdrawn - After Issue CN204647647U (en) | 2015-04-24 | 2015-04-24 | A kind of plastic-aluminum combined effective direct insertion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204647647U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806835A (en) * | 2015-04-24 | 2015-07-29 | 佛山市日丰企业有限公司 | Direct insertion type joint for aluminum-plastic composite pipe |
| US11346479B2 (en) | 2018-02-01 | 2022-05-31 | Rifeng Enterprise (Foshan) Co., Ltd. | Pipe fitting joint assembly |
| CN116336273A (en) * | 2023-04-19 | 2023-06-27 | 佛山市顺设发科技有限公司 | Metal tube connecting structure |
-
2015
- 2015-04-24 CN CN201520255480.6U patent/CN204647647U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806835A (en) * | 2015-04-24 | 2015-07-29 | 佛山市日丰企业有限公司 | Direct insertion type joint for aluminum-plastic composite pipe |
| US11346479B2 (en) | 2018-02-01 | 2022-05-31 | Rifeng Enterprise (Foshan) Co., Ltd. | Pipe fitting joint assembly |
| CN116336273A (en) * | 2023-04-19 | 2023-06-27 | 佛山市顺设发科技有限公司 | Metal tube connecting structure |
| CN116336273B (en) * | 2023-04-19 | 2023-09-19 | 佛山市顺设发科技有限公司 | Metal tube connecting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528000 Guangdong province Foshan City Temple Road No. 16 HSBC Building 8 floor Patentee after: RIFENG ENTERPRISE GROUP CO., LTD. Patentee after: WENZHOU RIFENG TECHNOLOGY CO., LTD. Address before: 528000 Guangdong province Foshan City Temple Road No. 16 HSBC Building 8 floor Patentee before: Rifeng Enterprise Co., Ltd., Foshan Patentee before: Foshan market day rich science and technology in enterprise company limited |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150916 Effective date of abandoning: 20171114 |