CN202972303U - Hoop of steel belt helical bellows - Google Patents
Hoop of steel belt helical bellows Download PDFInfo
- Publication number
- CN202972303U CN202972303U CN 201220679495 CN201220679495U CN202972303U CN 202972303 U CN202972303 U CN 202972303U CN 201220679495 CN201220679495 CN 201220679495 CN 201220679495 U CN201220679495 U CN 201220679495U CN 202972303 U CN202972303 U CN 202972303U
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- CN
- China
- Prior art keywords
- hoop
- front band
- catch hoop
- lower catch
- tongue piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a hoop of steel belt helical bellows. The hoop comprises an upper hoop and a lower hoop which are mutually matched with each other. Connection structures which are mutually matched are arranged at two ends of the upper hoop and the lower hoop respectively, an extending tongue piece which circumferentially extends along an inner wall of the upper hoop and is matched with an inner wall of the lower hoop is arranged at one end of the upper hoop, and an extending tongue piece which circumferentially extends along the inner wall of the lower hoop and is matched with the inner wall of the upper hoop is arranged at the other end of the lower hoop; or two ends of the upper hoop are respectively provided with one extending tongue piece, and the extending tongue piece circumferentially extends along the inner wall of the upper hoop and is matched with the inner wall of the lower hoop; or two ends of the lower hoop are respectively provided with one extending tongue piece, and the extending tongue piece circumferentially extends along the inner wall of the lower hoop and is matched with the inner wall of the upper hoop. The extending tongue pieces are arranged at connecting and matching positions of the two ends of the upper hoop and the lower hoop, so that the hoop can be used for exerting pre-tightening force on a sealing water-stopping mechanism and guarantees sealing property of the sealing water-stopping mechanism.
Description
Technical field
The utility model relates to a kind of clip fastening piece, and concrete is a kind of ribbon spiral collar clamp for corrugated pipe.
Background technique
In existing two sections bellows joints, except adopting necessary connection measure, generally also can be set with clip on the periphery wall of bellows, be used on the one hand further strengthening the join strength between two sections bellowss, be convenient on the other hand apply hermetic seal mechanism on clip.Existing collar clamp for corrugated pipe comprises front band and the lower catch hoop that cooperatively interacts, the two ends of front band and lower catch hoop adopt respectively threaded fastener to be fixedly connected with, in the manhole that bellows surrounds, and apply pretightening force by threaded fastener to clip and hermetic seal mechanism between front band and lower catch hoop.
Although existing collar clamp for corrugated pipe can satisfy usage requirement to a certain extent, but in actual application, in order to guarantee that threaded fastener applies enough pretightening forces, need to reserve certain gap to threaded fastener between front band and lower catch hoop, this just causes front band to be connected bellows with lower catch hoop gap position connecting not firmly, and the sealability that namely is positioned at the hermetic seal mechanism at front band and lower catch hoop gap place can not be guaranteed.
Given this, the utility model is intended to explore a kind of ribbon spiral collar clamp for corrugated pipe, this ribbon spiral collar clamp for corrugated pipe can overcome the defective of existing collar clamp for corrugated pipe, even make the interstitial site place of bellows between front band and lower catch hoop also can apply enough pretightening forces to bellows.
Summary of the invention
The technical problems to be solved in the utility model is to propose a kind of ribbon spiral collar clamp for corrugated pipe, and this ribbon spiral collar clamp for corrugated pipe is simple in structure, and can balancedly apply pretightening force to bellows, guarantees the sealability of hermetic seal mechanism.
Realize above-mentioned technical purpose, ribbon spiral collar clamp for corrugated pipe of the present utility model comprises the front band and the lower catch hoop that cooperatively interact, and the two ends of described front band and lower catch hoop are respectively equipped with the linkage structure that cooperatively interacts;
One end of described front band is provided with the extension tongue piece that circumferentially extends and coordinate with the lower catch hoop inwall along its inwall, and the other end of described lower catch hoop is provided with the extension tongue piece that circumferentially extends and coordinate with the front band inwall along its inwall; Or,
The two ends of described front band are respectively equipped with the extension tongue piece that circumferentially extends and coordinate with the lower catch hoop inwall along its inwall; Or,
The two ends of described lower catch hoop are respectively equipped with the extension tongue piece that circumferentially extends and coordinate with the front band inwall along its inwall.
Further, the thickness of described extension tongue piece successively decreases to the direction at top at its root.
Further, the width of described front band and lower catch hoop equates and more than or equal to 3 times of bellows pitch.
Further, described linkage structure comprises and is separately positioned on the front band two ends and along the outward extending upper tongue of its two ends line and the lower tongue that is separately positioned on the lower catch hoop two ends and stretches out and coordinate with upper tongue along its two ends line, is provided with the screw threads for fastening structure between described upper tongue and lower tongue.
Further, be provided with stiffening rib between described upper tongue and front band and lower tongue and lower catch hoop.
The beneficial effects of the utility model are:
Ribbon spiral collar clamp for corrugated pipe of the present utility model, connect the cooperation position place extension tongue piece is set by be connected two ends with lower catch hoop at front band, in use, extending tongue piece can be used in to the hermetic seal mechanism between front band and lower catch hoop and applies pretightening force, guarantee the sealability of hermetic seal mechanism, be that ribbon spiral collar clamp for corrugated pipe of the present utility model can balancedly apply pretightening force to bellows, guarantee the sealability of hermetic seal mechanism.
Description of drawings
Fig. 1 is the utility model ribbon spiral collar clamp for corrugated pipe the first embodiment's structural representation;
Fig. 2 is the A section enlarged view of Fig. 1;
Structural representation when Fig. 3 connects bellows for employing the present embodiment ribbon spiral collar clamp for corrugated pipe;
Fig. 4 is the utility model ribbon spiral collar clamp for corrugated pipe the second embodiment's structural representation.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
The first embodiment
As shown in Figure 1, be the utility model ribbon spiral collar clamp for corrugated pipe the first embodiment's structural representation.The ribbon spiral collar clamp for corrugated pipe of the present embodiment comprises the front band 1 and the lower catch hoop 2 that cooperatively interact, and the two ends of front band 1 and lower catch hoop 2 are respectively equipped with the linkage structure that cooperatively interacts.One end of the present embodiment front band 1 is provided with the extension tongue piece 3 that circumferentially extends and coordinate with lower catch hoop 2 inwalls along its inwall, and the other end of lower catch hoop 2 is provided with the extension tongue piece 3 that circumferentially extends and coordinate with front band 1 inwall along its inwall.
The ribbon spiral collar clamp for corrugated pipe of the present embodiment, arrange by the connection cooperation position place, two ends of being connected with lower catch hoop at front band 1 and extend tongue piece 3, in use, extending tongue piece 3 can be used in to the hermetic seal mechanism between front band 1 and lower catch hoop 2 and applies pretightening force, guarantee the sealability of hermetic seal mechanism, the ribbon spiral collar clamp for corrugated pipe that is the present embodiment can balancedly apply pretightening force to bellows, guarantees the sealability of hermetic seal mechanism.
Structural representation when as shown in Figure 3, connecting bellows for employing the present embodiment ribbon spiral collar clamp for corrugated pipe.Hermetic seal mechanism comprises the gasket seal 4 that coordinates with the clip inwall and the sealing filler 5 that is filled on bellows, extend tongue piece 3 by arranging, clip can be on whole circumferencial direction to hermetic seal mechanism is applied preload pressure, guarantee the sealability of hermetic seal mechanism.In order to guarantee that clip can compress the sealing filler, the width of the present embodiment front band 1 and lower catch hoop 2 equates and more than or equal to 3 times of bellows pitch.Sealing filler 5 is filled in helical groove near two sections bellows 7 joints, width by front band 1 and lower catch hoop 2 is set to 3 times more than or equal to bellows 7 pitch, sealing filler 5 can be fixed, the width of the present embodiment front band 1 and lower catch hoop 2 equals 3 times of bellows 7 pitch.
Further, the thickness that extends tongue piece 3 successively decreases to the direction at top at its root, the thickness that extends tongue piece 3 attenuate gradually can make and extends transition gradually between tongue piece 3 and clip inwall, the prestressing force deficiency that applies to hermetic seal mechanism that prevents that the thickness cataclysm from causing.
Further, the linkage structure of the present embodiment comprises and is separately positioned on front band 1 two ends and along the outward extending upper tongue 1a of its two ends line and the lower tongue 2a that is separately positioned on lower catch hoop 2 two ends and stretches out and coordinate with upper tongue 1a along its two ends line, between upper tongue 1a and lower tongue 2a, the compartment of terrain is provided with the screw threads for fastening structure, connects by bolt 6 between the upper tongue 1a of the present embodiment and lower tongue 2a.
Further, be provided with stiffening rib 8 between upper tongue 1a and front band 1 and lower tongue 2a and lower catch hoop 2, by stiffening rib 8 is set, can increase the intensity of clip.
The second embodiment
As shown in Figure 4, be the utility model ribbon spiral collar clamp for corrugated pipe the second embodiment's structural representation.The ribbon spiral collar clamp for corrugated pipe of the present embodiment comprises the front band 1 and the lower catch hoop 2 that cooperatively interact, and the two ends of front band 1 and lower catch hoop 2 are respectively equipped with the linkage structure that cooperatively interacts.
The two ends of the present embodiment front band 1 are respectively equipped with the extension tongue piece 3 that circumferentially extends and coordinate with lower catch hoop 2 inwalls along its inwall.Certainly, can also adopt the extension tongue piece 3 that circumferentially extends and coordinate with front band 1 inwall along its inwall is set respectively at the two ends of lower catch hoop 2, its principle all is arranged on front band 1 identically with extending tongue piece 3, is not repeated.
The ribbon spiral collar clamp for corrugated pipe of the present embodiment, arrange by the connection cooperation position place, two ends of being connected with lower catch hoop at front band 1 and extend tongue piece 3, in use, extending tongue piece 3 can be used in to the hermetic seal mechanism between front band 1 and lower catch hoop 2 and applies pretightening force, guarantee the sealability of hermetic seal mechanism, the ribbon spiral collar clamp for corrugated pipe that is the present embodiment can balancedly apply pretightening force to bellows, guarantees the sealability of hermetic seal mechanism.
Other structures of the present embodiment are identical with the first embodiment, are not repeated.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (5)
1. a ribbon spiral collar clamp for corrugated pipe, comprise the front band and the lower catch hoop that cooperatively interact, and the two ends of described front band and lower catch hoop are respectively equipped with the linkage structure that cooperatively interacts, and it is characterized in that:
One end of described front band is provided with the extension tongue piece that circumferentially extends and coordinate with the lower catch hoop inwall along its inwall, and the other end of described lower catch hoop is provided with the extension tongue piece that circumferentially extends and coordinate with the front band inwall along its inwall; Or,
The two ends of described front band are respectively equipped with the extension tongue piece that circumferentially extends and coordinate with the lower catch hoop inwall along its inwall; Or,
The two ends of described lower catch hoop are respectively equipped with the extension tongue piece that circumferentially extends and coordinate with the front band inwall along its inwall.
2. ribbon spiral collar clamp for corrugated pipe according to claim 1, it is characterized in that: the thickness of described extension tongue piece successively decreases to the direction at top at its root.
3. ribbon spiral collar clamp for corrugated pipe according to claim 1 is characterized in that: the width of described front band and lower catch hoop equates and more than or equal to 3 times of bellows pitch.
4. according to claim 1-3 described ribbon spiral collar clamp for corrugated pipes of any one, it is characterized in that: described linkage structure comprises and is separately positioned on the front band two ends and along the outward extending upper tongue of its two ends line and the lower tongue that is separately positioned on the lower catch hoop two ends and stretches out and coordinate with upper tongue along its two ends line, is provided with the screw threads for fastening structure between described upper tongue and lower tongue.
5. ribbon spiral collar clamp for corrugated pipe according to claim 4, is characterized in that: be provided with stiffening rib between described upper tongue and front band and lower tongue and lower catch hoop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220679495 CN202972303U (en) | 2012-12-11 | 2012-12-11 | Hoop of steel belt helical bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220679495 CN202972303U (en) | 2012-12-11 | 2012-12-11 | Hoop of steel belt helical bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202972303U true CN202972303U (en) | 2013-06-05 |
Family
ID=48513378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220679495 Expired - Lifetime CN202972303U (en) | 2012-12-11 | 2012-12-11 | Hoop of steel belt helical bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202972303U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421765A (en) * | 2015-12-14 | 2016-03-23 | 何景洲 | House basement support pillar pouring template and construction method |
| CN105484172A (en) * | 2015-12-31 | 2016-04-13 | 长安大学 | Structure and method for repairing culvert pipe of corrugated steel pipe by adopting expanding annular steel strip |
| CN105507582A (en) * | 2015-12-14 | 2016-04-20 | 何景洲 | House basement cylinder pouring formwork and construction method |
| CN105544972A (en) * | 2015-12-14 | 2016-05-04 | 何景洲 | House support column pouring template and construction method |
| CN111578035A (en) * | 2020-06-18 | 2020-08-25 | 应急管理部上海消防研究所 | Flexible extensible flange leakage stopping tool and using method thereof |
-
2012
- 2012-12-11 CN CN 201220679495 patent/CN202972303U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105421765A (en) * | 2015-12-14 | 2016-03-23 | 何景洲 | House basement support pillar pouring template and construction method |
| CN105507582A (en) * | 2015-12-14 | 2016-04-20 | 何景洲 | House basement cylinder pouring formwork and construction method |
| CN105544972A (en) * | 2015-12-14 | 2016-05-04 | 何景洲 | House support column pouring template and construction method |
| CN105544972B (en) * | 2015-12-14 | 2017-09-19 | 世昌建设集团有限公司 | A kind of house support column formwork for placing and construction method |
| CN105507582B (en) * | 2015-12-14 | 2017-10-03 | 天宏控股集团有限公司 | A kind of housing basement's cylinder formwork for placing and construction method |
| CN105484172A (en) * | 2015-12-31 | 2016-04-13 | 长安大学 | Structure and method for repairing culvert pipe of corrugated steel pipe by adopting expanding annular steel strip |
| CN111578035A (en) * | 2020-06-18 | 2020-08-25 | 应急管理部上海消防研究所 | Flexible extensible flange leakage stopping tool and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |
|
| CX01 | Expiry of patent term |