CN210050408U - Corrugated pipe with supporting reinforcing rib structure - Google Patents
Corrugated pipe with supporting reinforcing rib structure Download PDFInfo
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- CN210050408U CN210050408U CN201920305468.XU CN201920305468U CN210050408U CN 210050408 U CN210050408 U CN 210050408U CN 201920305468 U CN201920305468 U CN 201920305468U CN 210050408 U CN210050408 U CN 210050408U
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- reinforcing rib
- corrugated pipe
- bellows
- strengthening rib
- rib
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Abstract
The utility model relates to a bellows with support strengthening rib structure, this bellows with support strengthening rib structure, including the bellows main part, the bellows main part includes inside inner tube and outside outer bellows, and the inner tube is the straight tube type, and outer bellows has unsmooth annular ripple, be equipped with first strengthening rib in the trough of outer bellows, be equipped with the second strengthening rib between the crest of outer bellows, be equipped with the third strengthening rib between first strengthening rib and the second strengthening rib, the inside of first strengthening rib and outer bellows are even as an organic whole, the inner of third strengthening rib is connected in the middle part of the outer end of first strengthening rib, the inner middle part of second strengthening rib is connected in the outer end of third strengthening rib; the utility model discloses a combined dispersion stress of three strengthening ribs improves bellows compressive strength, is worth wideling popularize.
Description
Technical Field
The utility model belongs to the technical field of the bellows, concretely relates to bellows with support strengthening rib structure.
Background
High Density Polyethylene (HDPE) double-wall corrugated pipe is abbreviated as PE corrugated pipe. The HDPE double-wall corrugated pipe is a novel pipe with an outer wall with an annular structure and a smooth inner wall, and is firstly developed in Germany in the early 80 s. After more than ten years of development and improvement, the product series is developed from a single variety to a complete product series. The production process and the use technology are well mature. Due to the excellent performance and the relatively economic cost, the material is widely applied at home and abroad; the double-wall corrugated pipe is a novel light pipe made of high-density polyethylene, has the characteristics of light weight, high pressure resistance, good toughness, quick construction, long service life and the like, and has an excellent pipe wall structure design, so that the cost is greatly reduced compared with pipes of other structures. And the connection is convenient and reliable, so the connector is widely applied at home and abroad.
The large-caliber double-wall corrugated pipe is widely applied to drainage and pollution discharge engineering, and the reinforcing rib is required to be added to improve the compressive strength of the large-caliber double-wall corrugated pipe due to the large caliber.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide a corrugated pipe with a supporting rib structure, which has high compressive strength.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a corrugated pipe with a supporting reinforcing rib structure comprises a corrugated pipe main body, wherein the corrugated pipe main body comprises an inner pipe and an outer corrugated pipe, the inner pipe is in a straight cylinder shape, the outer corrugated pipe is provided with concave-convex annular corrugations, first reinforcing ribs are arranged in troughs of the outer corrugated pipe, second reinforcing ribs are arranged between wave crests of the outer corrugated pipe, third reinforcing ribs are arranged between the first reinforcing ribs and the second reinforcing ribs, the inner part of the first reinforcing ribs and the outer corrugated pipe are connected into a whole, the middle parts of the outer ends of the first reinforcing ribs are connected with the inner ends of the third reinforcing ribs, and the outer ends of the third reinforcing ribs are connected with the middle parts of the inner parts of the second reinforcing ribs; the cross sections of the first reinforcing rib, the second reinforcing rib and the third reinforcing rib are all annular, the longitudinal section of the first reinforcing rib is oval, the longitudinal section of the second reinforcing rib is vertical bar-shaped, and the longitudinal section of the third reinforcing rib is arched.
As the utility model discloses a further optimization scheme, be equipped with the toroidal cavity in the first strengthening rib.
As a further optimization scheme of the utility model, the one end of bellows main part is equipped with the interface section, and the other end is equipped with the flaring section, and the interface section of a bellows main part inserts the flaring section of another bellows main part and realizes being connected between two bellows main parts through the mode of flaring.
As a further optimization scheme of the utility model, the joint of the corrugated pipe main bodies is provided with a sealing sleeve which is sleeved on the two corrugated pipe main bodies, the inner periphery of the sealing sleeve is provided with a ring pipe which is embedded between two wave crests of the outer corrugated pipe, and the inner end of the ring pipe is contacted with the second reinforcing rib of the outer corrugated pipe; the annular pipe realizes two-point sealing with the outer corrugated pipe and one-point sealing with the second reinforcing rib, and plays a role in tight connection and sealing.
As the utility model discloses a further optimization scheme, the sealing sleeve divide into the two parts that the longitudinal symmetry set up, the assembly of being convenient for.
The beneficial effects of the utility model reside in that:
1) the utility model designs a reinforcing rib at the trough, which improves the trough strength, resists the deformation of the corrugated pipe and improves the compressive strength;
2) the utility model discloses a combined dispersion stress of three strengthening ribs improves bellows compressive strength.
Drawings
Fig. 1 is a schematic structural diagram of the present invention in the first embodiment;
FIG. 2 is an enlarged view at A of FIG. 1;
fig. 3 is a schematic structural view of an inner reinforcing rib according to the second embodiment of the present invention;
FIG. 4 is a schematic structural diagram of the present invention in the third embodiment;
fig. 5 is a schematic view of a connection structure of the bellows main body according to the third embodiment of the present invention.
In the figure: 1 inner tube, 2 outer corrugated tubes, 2-1 wave trough, 2-2 wave crest, 3 first reinforcing rib, 4 second reinforcing rib, 5 third reinforcing rib, 6 inner reinforcing rib, 7 interface section, 8 flaring section, 9 sealing sleeve and 10 annular tube.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.
Example one
As shown in fig. 1-2, a corrugated pipe with a supporting rib structure comprises a corrugated pipe main body, wherein the corrugated pipe main body comprises an inner pipe 1 inside and an outer corrugated pipe 2 outside, the inner pipe 1 is in a straight cylinder shape, the outer corrugated pipe 2 has concave-convex annular corrugations, first reinforcing ribs 3 are arranged in troughs 2-1 of the outer corrugated pipe 2, second reinforcing ribs 4 are arranged between crests 2-2 of the outer corrugated pipe 2, third reinforcing ribs 5 are arranged between the first reinforcing ribs 3 and the second reinforcing ribs 4, the inner parts of the first reinforcing ribs 3 and the outer corrugated pipe 2 are connected into a whole, the middle parts of the outer ends of the first reinforcing ribs 3 are connected with the inner ends of the third reinforcing ribs 5, and the outer ends of the third reinforcing ribs 5 are connected with the middle parts of the inner parts of the second reinforcing ribs 4;
the cross sections of the first reinforcing rib 3, the second reinforcing rib 4 and the third reinforcing rib 5 are all annular, the longitudinal section of the first reinforcing rib 3 is oval, the longitudinal section of the second reinforcing rib 4 is vertical bar-shaped, and the longitudinal section of the third reinforcing rib 5 is arched;
first strengthening rib 3 plays the effect of the outer bellows 2 trough 2-1 position intensity of partly reinforcing, in addition mainly play with the combined action of second strengthening rib 4, second strengthening rib 4 is arched structure, the tendency that will arouse trough 2-1 department to produce sunken deformation when outer bellows 2 receives external pressure, and disperse the atress on arched second strengthening rib 4 through third strengthening rib 5, thereby be radial stress dispersion for circumferential stress, partial stress can transmit on the pipe wall between crest 2-2 and trough 2-1 through second strengthening rib 4 in addition, thereby play the effect of reinforcing bellows compressive strength with the mode of dispersed stress, the strengthening rib can not influence the bellows and buckle and stretch out and draw back in addition.
It should be noted that, because the bellows main body is a double-wall bellows, the ability to resist the internal pressure is stronger, and the utility model discloses do not consider the condition that receives the internal pressure.
Further, an annular cavity is formed in the first reinforcing rib 3, so that the material consumption can be reduced.
Example two
As shown in fig. 3, different from the first embodiment, an inner rib 6 is provided at the peak 2-2 of the outer bellows 2, the outer end of the inner rib 6 is connected to the middle of the inside of the peak 2-2 of the outer bellows 2, and the inner end of the inner rib 6 is connected to the inner tube 1. The compression resistance at the peak 2-2 is enhanced, and the local deformation under compression at the peak 2-2 is avoided.
EXAMPLE III
As shown in fig. 4-5, different from the first embodiment, one end of the bellows main body is provided with a joint section 7, the other end is provided with a flaring section 8, the joint section 7 of one bellows main body is inserted into the flaring section 8 of the other bellows main body, the joint of the two bellows main bodies is provided with a sealing sleeve 9, the sealing sleeve 9 is sleeved on the two bellows main bodies, the inner circumference of the sealing sleeve 9 is provided with an annular tube 10, the annular tube 10 is embedded between the two wave crests 2-2 of the outer bellows 2, and the inner end of the annular tube 10 is contacted with the second reinforcing rib 4 of the outer bellows 2; the connection between two bellows main parts is realized through the flaring mode to the cup joint that utilizes sealing sleeve 9 plays another heavy connection and seals, and what mainly play the effect is that annular pipe 10, and annular pipe 10 inlays in the bellows main part, realizes sealing with two points of outer bellows 2 through interference fit's mode, and one point between the second strengthening rib 4 is sealed, plays comparatively inseparable connection sealing effect.
It should be noted that, in order to facilitate the assembly of the sealing sleeve 9, the sealing sleeve 9 is divided into two parts which are arranged symmetrically up and down, and the two parts of the sealing sleeve 9 are connected by welding or the like during the assembly.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (5)
1. The utility model provides a bellows with support strengthening rib structure, includes the bellows main part, the bellows main part includes inside inner tube and outside outer bellows, and the inner tube is straight tube type, and outer bellows has unsmooth annular ripple, its characterized in that: a first reinforcing rib is arranged in a trough of the outer corrugated pipe, a second reinforcing rib is arranged between wave crests of the outer corrugated pipe, a third reinforcing rib is arranged between the first reinforcing rib and the second reinforcing rib, the interior of the first reinforcing rib is connected with the outer corrugated pipe into a whole, the middle part of the outer end of the first reinforcing rib is connected with the inner end of the third reinforcing rib, and the outer end of the third reinforcing rib is connected with the middle part of the interior of the second reinforcing rib; the cross sections of the first reinforcing rib, the second reinforcing rib and the third reinforcing rib are all annular, the longitudinal section of the first reinforcing rib is oval, the longitudinal section of the second reinforcing rib is vertical bar-shaped, and the longitudinal section of the third reinforcing rib is arched.
2. A corrugated pipe having a support stiffener structure according to claim 1, wherein: an annular cavity is arranged in the first reinforcing rib.
3. A corrugated pipe having a support stiffener structure according to claim 1, wherein: one end of the corrugated pipe main body is provided with an interface section, the other end of the corrugated pipe main body is provided with an opening expanding section, and the interface section of one corrugated pipe main body is inserted into the opening expanding section of the other corrugated pipe main body.
4. A corrugated pipe having a support stiffener structure according to claim 1, wherein: the corrugated pipe comprises two corrugated pipe bodies, wherein a sealing sleeve is arranged at the joint of the corrugated pipe bodies and sleeved on the two corrugated pipe bodies, an annular pipe is arranged on the inner periphery of the sealing sleeve and embedded between two wave crests of the outer corrugated pipe, and the inner end of the annular pipe is in contact with a second reinforcing rib of the outer corrugated pipe.
5. The corrugated pipe with support stiffener structure of claim 4, wherein: the sealing sleeve is divided into two parts which are arranged up and down symmetrically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920305468.XU CN210050408U (en) | 2019-03-11 | 2019-03-11 | Corrugated pipe with supporting reinforcing rib structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920305468.XU CN210050408U (en) | 2019-03-11 | 2019-03-11 | Corrugated pipe with supporting reinforcing rib structure |
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| Publication Number | Publication Date |
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| CN210050408U true CN210050408U (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920305468.XU Active CN210050408U (en) | 2019-03-11 | 2019-03-11 | Corrugated pipe with supporting reinforcing rib structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720639A (en) * | 2020-06-02 | 2020-09-29 | 台州市涌星贸易有限公司 | High withstand voltage PFA bellows |
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2019
- 2019-03-11 CN CN201920305468.XU patent/CN210050408U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720639A (en) * | 2020-06-02 | 2020-09-29 | 台州市涌星贸易有限公司 | High withstand voltage PFA bellows |
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