CN204573413U - A kind of bidirectional locking fast-assembling plastic pipe joint header structure - Google Patents
A kind of bidirectional locking fast-assembling plastic pipe joint header structure Download PDFInfo
- Publication number
- CN204573413U CN204573413U CN201520044814.5U CN201520044814U CN204573413U CN 204573413 U CN204573413 U CN 204573413U CN 201520044814 U CN201520044814 U CN 201520044814U CN 204573413 U CN204573413 U CN 204573413U
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- pipe joint
- tightening cover
- header structure
- end cap
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Abstract
The utility model discloses a kind of bidirectional locking fast-assembling plastic pipe joint header structure, comprise symmetrical fittings body, described fittings body is made up of linkage section and end cap construction section, First terrace is disposed with in fittings body inside, second step face, 3rd step surface and the 4th step surface, in described end cap construction section, discharging pipe device is installed, tightening cover is provided with between discharging pipe device and end cap construction section, described tightening cover connects with end cap construction section inner wall tightening, and tightening cover end is only by First terrace, sleeve pipe is provided with between described second step face and tightening cover, shell fragment is fixed with between sleeve pipe and tightening cover end, also seal ring is provided with between described sleeve pipe and the 3rd step surface.Adopt pipe joint structure described in the utility model, make pipe fitting quick in installation process, save time, laborsaving; When keeping in repair, directly can open tightening cover and just can remove, not by the impact of installing space, thus play the effect of dual fail-safe.
Description
Technical field
The utility model belongs to technical field of pipeline connection, specifically relates to a kind of bidirectional locking fast-assembling plastic pipe joint header structure.
Background technique
Along with the development in domestic hot-water heating market, its tubular type is varied, and the Placement of pipe pipe fitting is also tending towards variation, and current modal pipe Placement is direct insertion; But in this Placement, usually there will be pipe insert after due to factors such as space, place are wide not, pipe is excessive, causing taking the very large power of Shi Yaoyong apart just can take apart, even tears open not open, and dismounting is wasted time and energy.Such as, publication number is that the Chinese patent of CN 202371363 U discloses the two binding ring locking arrangement of a kind of Quick-insertion type pipe joint, improve the quick connection of pipe fitting, special seal arrangement has been installed, the free loading, unloading pipe fitting of discharging pipe device energy installed, interior jump ring in movable jump ring and discharging pipe device has the effect of double locking pipe fitting, not fragile in the process that user uses.But because this locking mechanism only adopts a pipe fitting, when therefore using in the aqueduct that pressure is larger, easily produce obscission, the effect of dual fail-safe can not be arrived.Because this structure adopts V-shaped seal ring, therefore, sealing effect is unstable, and when especially pressure is large, seal ring inner ring is difficult to make to be effective together with seal ring and pipe combination just under the effect of hydraulic pressure.
Model utility content
For solving the problems of the technologies described above, the utility model provides a kind of bidirectional locking fast-assembling plastic pipe joint header structure.
The utility model is achieved by following technical solution.
A kind of bidirectional locking fast-assembling plastic pipe joint header structure, comprise symmetrical fittings body, described fittings body is made up of linkage section and end cap construction section, First terrace is disposed with in fittings body inside, second step face, 3rd step surface and the 4th step surface, in described end cap construction section, discharging pipe device is installed, tightening cover is provided with between discharging pipe device and end cap construction section, described tightening cover connects with end cap construction section inner wall tightening, and tightening cover end is only by First terrace, sleeve pipe is provided with between described second step face and tightening cover, shell fragment is fixed with between sleeve pipe and tightening cover end.
Also seal ring is provided with between described sleeve pipe and the 3rd step surface.
Institute's tightening cover is made up of cylindrical section and thread section, and wherein, thread section is connected with the internal thread be arranged at inside end cap construction section by outside thread.
Described discharging pipe device is made up of end plate and screw-in section, screw-in section is provided with chamfering away from end plate one end, and within one week, has been evenly arranged some projections along chamfering.
Described shell fragment is made up of ring segment and elastomer block, and wherein, elastomer block is evenly arranged on ring segment, and outward-dipping, and the chamfering on this angle of inclination and discharging pipe device matches.
The external cylindrical surface of described cylindrical section adopts polygon structure.
Described sleeve pipe is the boss type structure be made up of plastics, and the upper end of sleeve pipe is near second step face, and lower end surface contacts with seal ring.
Described seal ring is bowl-type rubber seal.
Described end cap construction section is connected by plane of inclination with between linkage section.
The angle of described plane of inclination and horizontal plane is 45 °.
The beneficial effects of the utility model are:
Compared with prior art, the utility model, by arranging symmetrical fittings body, is simultaneously provided with discharging pipe device and tightening cover in fittings body end, make pipe fitting quick in installation process, save time, laborsaving.After pipe pipe fitting connects, due to a variety of causes must pull down and reinstall time, directly can open tightening cover and just can remove, not by the impact of installing space, thus play the effect of dual fail-safe.Owing to adopting bowl-type rubber seal, this kind of seal ring sealing effect is highly stable, and when especially pressure is large, seal ring inner ring makes seal ring and pipe combine more closely under the effect of hydraulic pressure, thus reaches and better enclose sealing effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is internal structure schematic diagram of the present utility model;
Fig. 3 is the structural representation of discharging pipe device in the utility model;
Fig. 4 is the structural representation of tightening cover in the utility model;
Fig. 5 is the structural representation of the utility model middle joint body;
Fig. 6 is the structural representation of shell fragment in the utility model;
Fig. 7 is the structural representation of the utility model middle sleeve;
Fig. 8 is the structural representation of seal ring in the utility model.
In figure: 1-discharging pipe device, 2-tightening cover, 3-sleeve pipe, 4-seal ring, 5-fittings body, 6-shell fragment, 11-end plate, 12-screws in section, 21-cylindrical section, 22-thread section, 51-end cap construction section, 52-linkage section, 53-plane of inclination, 54-internal thread, 55-First terrace, 56-second step face, 57-the 3rd step surface, 58-the 4th step surface, 61-ring segment, 62-elastomer block, 121-chamfering, 122-projection
Embodiment
The technical solution of the utility model is further described below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As Fig. 1, Fig. 2, shown in Fig. 5, a kind of bidirectional locking fast-assembling plastic pipe joint header structure described in the utility model, comprise symmetrical fittings body 5, described fittings body 5 is made up of linkage section 52 and end cap construction section 51, First terrace 55 is disposed with in fittings body 5 inside, second step face 56, 3rd step surface 57 and the 4th step surface 58, in described end cap construction section 51, discharging pipe device 1 is installed, tightening cover 2 is provided with between discharging pipe device 1 and end cap construction section 51, described tightening cover 2 connects with end cap construction section 51 inner wall tightening, and tightening cover 2 end is only by First terrace 55, sleeve pipe 3 is provided with between described second step face 56 and tightening cover 2, shell fragment 6 is fixed with between sleeve pipe 3 and tightening cover 2 end.Adopt the technical program, pipe fitting is quick in installation process, saves time, laborsaving.Especially later maintenance is convenient to, owing to being provided with tightening cover 2, after pipe pipe fitting connects in fittings body 5 sections of portions, must pull down due to a variety of causes and reinstall, again because installing space is too small, be unfavorable for pipe, end 2 lid need only be opened and just can remove smoothly.Adopt symmetrical two fittings bodies 5 simultaneously, the effect of dual fail-safe can be reached.
Seal ring 4 is also provided with between described sleeve pipe 3 and the 3rd step surface 57.Thus can good sealing be formed to connecting at pipe fitting.
As shown in Figure 4, institute's tightening cover 2 is made up of cylindrical section 21 and thread section 22, and wherein, thread section 22 is connected with the internal thread 54 be arranged at inside end cap construction section 51 by outside thread.Be convenient to the opening and closing of tightening cover 2 like this, carry out after facilitating pipe to install keeping in repair and failture evacuation.
As shown in Figure 3, described discharging pipe device 1 is made up of end plate 11 and screw-in section 12, screw-in section 12 is provided with chamfering 121 away from end plate 11 one end, and within 121 1 weeks, has been evenly arranged some projections 122 along chamfering.
As shown in Figure 6, described shell fragment 6 is made up of ring segment 61 and elastomer block 62, and wherein, elastomer block 62 is evenly arranged on ring segment 61, and outward-dipping, and all elastomer block 62 surround a frustoconic shape structure.
Chamfering 121 on described spring sheet 62 angle of inclination and discharging pipe device 1 matches.
In order to be beneficial to dismounting, the external cylindrical surface of described cylindrical section 21 adopts polygon structure.
As shown in Figure 7, described sleeve pipe 3 is the boss type structure be made up of plastics, and the upper end of sleeve pipe 3 is near second step face 56, and lower end surface contacts with seal ring 4.
Described chamfering 121 is 35 ~ 40 °, preferential 37 ° of the technical program.
As shown in Figure 5, described end cap construction section 51 is connected by plane of inclination 53 with linkage section 52.
Described plane of inclination 53 is 45 ° with the angle of horizontal plane.
As shown in Figure 8, described seal ring 4 is bowl-type rubber seal.This kind of seal ring sealing effect is highly stable, and when especially pressure is large, under the effect of hydraulic pressure, make seal ring and pipe combine a just looping sealing effect more closely better for seal ring inner ring.And traditional O type glue seal ring does not just have this advantage.
Described end cap construction section 51 is connected by plane of inclination 53 with between linkage section 52.
Described ring segment 61 is arranged between tightening cover 2 and sleeve pipe 3, and the angle on the angle of elastomer block 62 and discharging pipe device 1 matches.
Described shell fragment adopts stainless steel to make.
Described fittings body 5 adopts plastics manufacture.
As shown in Figure 2, the utility model is when assembling, and first fill bowl-type rubber seal, sleeve pipe 3 in order, shell fragment 6, finally suppresses tightening cover 2 as in union body 5.
Structure described in the utility model is adopted to understand pipe fitting.First by pipe fitting Inserting Tube fittings body 5 to be connected, and undertaken spacing by the 4th step surface 58, and then load seal ring 4, sleeve pipe 3 and shell fragment 6 successively, finally tightening cover 2 is connected and fixed by screw thread and fittings body 5; Owing to adopting symmetrical fittings body 5 to combine, thus play the effect of bidirectional locking, in use simultaneously, directly can open tightening cover 2 and keep in repair, thus reach the effect of dual fail-safe.
Claims (10)
1. a bidirectional locking fast-assembling plastic pipe joint header structure, comprise symmetrical fittings body (5), it is characterized in that: described fittings body (5) is made up of linkage section (52) and end cap construction section (51), First terrace (55) is disposed with in fittings body (5) inside, second step face (56), 3rd step surface (57) and the 4th step surface (58), in described end cap construction section (51), discharging pipe device (1) is installed, tightening cover (2) is provided with between discharging pipe device (1) and end cap construction section (51), described tightening cover (2) connects with end cap construction section (51) inner wall tightening, and tightening cover (2) end is only by First terrace (55), sleeve pipe (3) is provided with between described second step face (56) and tightening cover (2), shell fragment (6) is fixed with between sleeve pipe (3) and tightening cover (2) end.
2. a kind of bidirectional locking fast-assembling plastic pipe joint header structure according to claim 1, is characterized in that: be also provided with seal ring (4) between described sleeve pipe (3) and the 3rd step surface (57).
3. a kind of bidirectional locking fast-assembling plastic pipe joint header structure according to claim 1, it is characterized in that: institute's tightening cover (2) is made up of cylindrical section (21) and thread section (22), wherein, thread section (22) is connected with the internal thread (54) being arranged at end cap construction section (51) inner side by outside thread.
4. a kind of bidirectional locking fast-assembling plastic pipe joint header structure according to claim 1, it is characterized in that: described discharging pipe device (1) is made up of end plate (11) and screw-in section (12), screw-in section (12) is provided with chamfering (121) away from end plate (11) one end, and within (121) one weeks, is evenly arranged some projections (122) along chamfering.
5. a kind of bidirectional locking fast-assembling plastic pipe joint header structure according to claim 1, it is characterized in that: described shell fragment (6) is made up of ring segment (61) and elastomer block (62), wherein, elastomer block (62) is evenly arranged on ring segment (61), and outward-dipping, the chamfering (121) on this angle of inclination and discharging pipe device (1) matches.
6. a kind of bidirectional locking fast-assembling plastic pipe joint header structure according to claim 3, is characterized in that: the external cylindrical surface of described cylindrical section (21) adopts polygon structure.
7. a kind of bidirectional locking fast-assembling plastic pipe joint header structure according to claim 1, it is characterized in that: described sleeve pipe (3) is the boss type structure be made up of plastics, and the upper end of sleeve pipe (3) is near second step face (56), lower end surface contacts with seal ring (4).
8. a kind of bidirectional locking fast-assembling plastic pipe joint header structure according to claim 2, is characterized in that: described seal ring (4) is bowl-type rubber seal.
9. a kind of bidirectional locking fast-assembling plastic pipe joint header structure according to claim 1, is characterized in that: described end cap construction section (51) is connected by plane of inclination (53) with between linkage section (52).
10. a kind of bidirectional locking fast-assembling plastic pipe joint header structure according to claim 9, is characterized in that: described plane of inclination (53) are 45 ° with the angle of horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044814.5U CN204573413U (en) | 2015-01-22 | 2015-01-22 | A kind of bidirectional locking fast-assembling plastic pipe joint header structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044814.5U CN204573413U (en) | 2015-01-22 | 2015-01-22 | A kind of bidirectional locking fast-assembling plastic pipe joint header structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204573413U true CN204573413U (en) | 2015-08-19 |
Family
ID=53866049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520044814.5U Expired - Fee Related CN204573413U (en) | 2015-01-22 | 2015-01-22 | A kind of bidirectional locking fast-assembling plastic pipe joint header structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204573413U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613264A (en) * | 2015-01-22 | 2015-05-13 | 贵州黔南科技塑业有限公司 | Rapid plastic pipe connector structure |
| CN105221878A (en) * | 2015-09-06 | 2016-01-06 | 许道泽 | A kind of quick-connect machanism |
-
2015
- 2015-01-22 CN CN201520044814.5U patent/CN204573413U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613264A (en) * | 2015-01-22 | 2015-05-13 | 贵州黔南科技塑业有限公司 | Rapid plastic pipe connector structure |
| CN105221878A (en) * | 2015-09-06 | 2016-01-06 | 许道泽 | A kind of quick-connect machanism |
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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: 20150819 Termination date: 20170122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |