CN212427805U - Pipe joint connector of plastic corrugated pipe with reinforcing rib tightening hoop - Google Patents
Pipe joint connector of plastic corrugated pipe with reinforcing rib tightening hoop Download PDFInfo
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- CN212427805U CN212427805U CN202020732419.7U CN202020732419U CN212427805U CN 212427805 U CN212427805 U CN 212427805U CN 202020732419 U CN202020732419 U CN 202020732419U CN 212427805 U CN212427805 U CN 212427805U
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Abstract
The utility model discloses a pipe coupling joint of tight hoop of plastic corrugated pipe area stiffening rib belongs to plastic corrugated pipe connecting device technical field for the concrete bridge, and technical scheme is: the corrugated pipe joint comprises an upper pipe joint and a lower pipe joint which are used for connecting a left corrugated pipe and a right corrugated pipe, wherein the upper pipe joint and the lower pipe joint are fastened and connected through tightening rings at the positions close to the two ends; the outer surfaces of the upper pipe joint and the lower pipe joint are provided with reinforcing ribs protruding out of the surfaces, two ends of the upper pipe joint are respectively provided with an upper notch and an upper insert block, and two ends of the lower pipe joint are respectively provided with a lower insert block and a lower notch matched with the upper notch and the upper insert block. The utility model discloses it is reasonable to connect and seal structure, and the articulate effect is firm, and impact resistance is strong, has strengthened the reliability that the tube coupling connects greatly.
Description
Technical Field
The utility model belongs to the technical field of the plastic corrugated pipe for the concrete bridge connects device, concretely relates to novel tight hoop's of plastic corrugated pipe area stiffening rib tube coupling for prestressed concrete bridge.
Background
In the construction of prestressed concrete bridges, the vacuum grouting post-tensioning method prestressed construction is the most advanced construction method in the industry at present. It features that plastic or metal corrugated pipe and anchor backing plate are embedded in prefabricated concrete member to form prestressed stretch-draw channel, and then concrete is poured. And after the strength of the concrete reaches the design strength, a prestressed steel strand and an anchorage device are penetrated for tensioning and fixing. After the tensioning and fixing are finished, one end of the tensioning pore channel is directly evacuated to form negative pressure of 0.1Mpa, and grouting material is injected into the other end of the tensioning pore channel by a grouting pump until the whole pipeline is filled up and then overflows. After the strength of the grouting material reaches the design strength, the anchorage device, the steel strand, the grouting material and the corrugated pipe form a prestress system to provide prestress for the whole concrete prefabricated part.
In the construction of prestressed tension ducts, the existing corrugated pipe is generally connected by a pipe joint in a wedge-shaped inserting plate structure. According to the structure, the wedge-shaped clamp is of an open structure, the wing plates on the two sides are subjected to shearing stress by the cantilever beams, the wing plates on the two sides are subjected to larger stress in the using process, the wing plates are easily broken from corners, joint failure is caused, and the sealing performance is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the pipe joint of the plastic corrugated pipe with the reinforcing rib tightening hoop has reasonable connection and sealing structure, firm joint connection effect and strong impact resistance, and greatly enhances the reliability of the pipe joint.
The utility model adopts the technical scheme as follows:
a pipe joint of a plastic corrugated pipe with a reinforcing rib clamping ring comprises an upper pipe joint and a lower pipe joint, wherein the upper pipe joint and the lower pipe joint are matched to realize the connection between a corrugated pipe at the left end and a corrugated pipe at the right end, and the upper pipe joint and the lower pipe joint are fixedly connected through the clamping ring; grooves are formed in the inner surfaces of the upper pipe joint and the lower pipe joint, detachable sealing gaskets are embedded in the grooves, and protrusions are arranged on the outer surfaces of the sealing gaskets; reinforcing ribs protruding out of the surface are arranged on the outer surfaces of the upper pipe joint and the lower pipe joint; the one end of going up the tube coupling joint is equipped with the notch, the other end that goes up the tube coupling joint is equipped with the inserted block, the one end that lower tube coupling joint is equipped with down the inserted block, the other end that lower tube coupling joint is equipped with down the notch, the inserted block cooperation is inserted in the notch down, it inserts in the notch down to go up the inserted block cooperation.
Furthermore, the reinforcing ribs are n arranged on the outer surfaces of the upper pipe joint and the lower pipe joint at intervals, wherein n is more than or equal to 2, and the outer surfaces of the reinforcing ribs at the two ends of the upper pipe joint and the lower pipe joint are provided with clamping grooves.
Further, the width of the tightening slot is consistent with that of the steel strip of the tightening ring, and the steel strip of the tightening ring is clamped in the tightening slot.
Furthermore, clamping grooves are formed at two ends of the groove.
Furthermore, a ring is formed after the upper pipe joint and the lower pipe joint are fastened through the tightening ring.
Further, the protrusions 41a on the outer surface of the sealing gasket 4a are located at two ends of the sealing gasket 4a, and the number of the protrusions 41a at the two ends is 2.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
(1) in the utility model, the fastening connection is realized through the upper pipe joint and the lower pipe joint which are symmetrically arranged up and down and the tightening ring, the connection effect is firm, the connection strength is improved, and the reliability of the pipe joint is greatly enhanced;
(2) in the utility model, in the installation process, the bulges on the sealing gaskets abut against the wave troughs of the corrugated pipe to form the sealing rings on the cross sections, and in the installation process of the upper sealing gasket and the lower sealing gasket, the ends are closely connected to form axial sealing, thereby effectively improving the sealing performance of the connecting structure;
(3) the outer surfaces of the upper pipe joint and the lower pipe joint are provided with reinforcing ribs to enhance the impact resistance of the connecting piece, and in addition, the tightening ring is sleeved in the tightening groove of the reinforcing ribs to ensure that the tightening ring cannot slide after being screwed down, so that the connection reliability of the pipe joints is improved.
(4) When the end parts of the upper pipe joint and the lower pipe joint are in tail connection, the butt joint is realized through the matched notch and the inserting block, the clamping is convenient to position and install, and the connecting strength can be enhanced.
Drawings
FIG. 1 is a schematic cross-sectional view of a joint of a corrugated plastic pipe with a ribbed clamp ring according to the present invention;
FIG. 2 is a schematic cross-sectional view of an upper pipe joint according to the present invention;
fig. 3 is a front view of the upper middle seal gasket of the present invention;
FIG. 4 is a side view of an upper and lower pipe joint of the present invention;
fig. 5 is a schematic structural view of the middle tightening hoop of the present invention.
The labels in the figure are: 1 a-left corrugated pipe, 1 b-right corrugated pipe, 2 a-upper pipe joint, 21 a-reinforcing rib, 22 a-tightening groove, 23 a-groove, 24 a-clamping groove, 2 b-lower pipe joint, 21-upper notch, 22, upper insert block, 23-lower insert block, 24-lower notch, 3-tightening ring, 4 a-sealing pad and 41 a-protrusion.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
A pipe joint of a plastic corrugated pipe with a reinforcing rib clamping hoop comprises an upper pipe joint 2a and a lower pipe joint 2b, wherein the upper pipe joint 2a and the lower pipe joint 2b realize the connection between a corrugated pipe 1a at the left end and a corrugated pipe 1b at the right end, and the upper pipe joint 2a and the lower pipe joint 2b are fixedly connected through a clamping hoop 3; the inner surfaces of the upper pipe joint 2a and the lower pipe joint 2b are provided with grooves 23a, detachable sealing gaskets 4a are embedded in the grooves 23a, and the outer surfaces of the sealing gaskets 4a are provided with protrusions 41 a; the outer surfaces of the upper pipe joint 2a and the lower pipe joint 2b are provided with reinforcing ribs 21a with protruding surfaces; go up the one end that the tube coupling connects 2a and be equipped with notch 21, the other end that goes up the tube coupling connects 2a is equipped with inserted block 22, the one end that lower tube coupling connects 2b is equipped with down inserted block 23, the other end that lower tube coupling connects 2b is equipped with down notch 24, inserted block 23 cooperation is inserted down in notch 21, go up inserted block 22 cooperation and insert down in notch 24.
The reinforcing ribs 21a are n arranged on the outer surfaces of the upper pipe joint connector 2a and the lower pipe joint connector 2b at intervals, wherein n is more than or equal to 2, and the outer surfaces of the reinforcing ribs 21a at two ends of the upper pipe joint connector 2a and the lower pipe joint connector 2b are provided with clamping grooves 22 a.
Wherein the width of the tightening groove 22a is consistent with the width of the steel strip of the tightening ring (3), and the steel strip of the tightening ring (3) is clamped in the tightening groove 22 a.
Wherein the width of the tightening groove 22a is the same as the width of the steel strip of the tightening ring 3, and the steel strip of the tightening ring 3 is clamped in the tightening groove 22 a.
Wherein, the two ends of the groove 23a are formed with a clamping groove 24 a.
The upper pipe joint 2a and the lower pipe joint 2b are fastened through a clamping ring 3 to form a circular ring.
The protrusions 41a on the outer surface of the sealing gasket 4a are located at two ends of the sealing gasket 4a, and the number of the protrusions 41a at the two ends is 2.
In the specific use and installation process, the sealing gasket 4a is firstly embedded into the grooves 23a of the upper pipe joint 2a and the lower pipe joint 2b, then the two pre-connected end parts of the left corrugated pipe 1a and the right corrugated pipe 1b are placed on the sealing gasket 4a of the lower pipe joint 2b, in the placing process, the protrusions 41a at the end parts of the sealing gasket 4a are abutted against the wave troughs of the corresponding left corrugated pipe 1a and the right corrugated pipe 1b, meanwhile, the clamping grooves 24a are abutted against the corresponding wave crests, after the lower pipe joint 2b is placed, the upper pipe joint 2a with the sealing gasket 4a placed is similarly placed above the two pre-connected end parts of the left corrugated pipe 1a and the right corrugated pipe 1b, so as to ensure that the upper pipe joint 2a corresponds to the lower pipe joint 2b, and simultaneously, the upper notches 21 at the two ends of the upper pipe joint 2a, the upper insert blocks 22 and the lower insert blocks 23 at the two ends of the lower pipe joint 2b, The lower notch 24 is positioned, inserted and matched, the tightening rings 3 are sleeved at the two ends of the upper pipe joint 2a and the lower pipe joint 2b, and in the sleeving process, the steel belts of the tightening rings 3 are clamped in the tightening grooves 22a on the outer surfaces of the corresponding reinforcing ribs 21a, so that the tightening rings 3 are not slid after being screwed, and the connection reliability of the pipe joints is improved.
The end parts of the sealing gaskets 4a on the inner surfaces of the upper pipe joint 2a and the lower pipe joint 2b are in tail connection and are compressed to form axial sealing, and the protrusions 41a at the end parts of the sealing gaskets 4a abut against the wave troughs of the corresponding left end corrugated pipe 1a and the right end corrugated pipe 1b, so that the protrusions 41a form sealing rings on the cross sections, and the sealing performance of the connecting structure is improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A pipe joint of a plastic corrugated pipe with a reinforcing rib clamping ring is characterized by comprising an upper pipe joint (2a) and a lower pipe joint (2b), wherein the upper pipe joint (2a) and the lower pipe joint (2b) are matched with each other for use to realize the connection between a corrugated pipe (1a) at the left end and a corrugated pipe (1b) at the right end; the upper pipe joint (2a) and the lower pipe joint (2b) are fixedly connected through a tightening hoop (3); grooves (23a) are formed in the inner surfaces of the upper pipe joint (2a) and the lower pipe joint (2b), a detachable sealing gasket (4a) is embedded into the grooves (23a), and a protrusion (41a) is formed in the outer surface of the sealing gasket (4 a); reinforcing ribs (21a) are arranged on the outer surfaces of the upper pipe joint connector (2a) and the lower pipe joint connector (2b), and the reinforcing ribs (21a) protrude out of the outer surfaces of the upper pipe joint connector (2a) and the lower pipe joint connector (2 b); go up the one end of tube coupling (2a) and be equipped with notch (21), the other end of going up tube coupling (2a) is equipped with inserted block (22), the one end of tube coupling (2b) is equipped with down inserted block (23) down, the other end of tube coupling (2b) is equipped with down notch (24) down, inserted block (23) cooperation is inserted in notch (21) down, it inserts down in notch (24) to go up inserted block (22) cooperation.
2. The joint of a plastic corrugated pipe with a ribbed clamping ring according to claim 1, wherein the ribs (21a) are n spaced on the outer surface of the upper joint (2a) and the lower joint (2b), wherein n is greater than or equal to 2, and the clamping grooves (22a) are formed on the outer surface of the ribs (21a) at the two ends of the upper joint (2a) and the lower joint (2 b).
3. A joint coupling with a ribbed tightening ring for plastic corrugated tubing according to claim 2, characterized in that the tightening groove (22a) has a width corresponding to the width of the steel strip of the tightening ring (3), and the steel strip of the tightening ring (3) is clamped in the tightening groove (22 a).
4. A coupling for a corrugated plastic pipe with a ribbed clamp according to claim 1 wherein the grooves (23a) are formed at both ends with catching grooves (24 a).
5. A joint coupling with a ribbed tightening ring for plastic corrugated pipe according to claim 1, characterized in that the upper joint coupling (2a) and the lower joint coupling (2b) are fastened together by the tightening ring (3) to form a circular ring.
6. A corrugated plastic pipe joint with a ribbed grip ring according to claim 1 wherein the protrusions (41a) of the outer surface of the gasket (4a) are located at the ends of the gasket (4a), and the number of the protrusions (41a) at each end is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020732419.7U CN212427805U (en) | 2020-05-07 | 2020-05-07 | Pipe joint connector of plastic corrugated pipe with reinforcing rib tightening hoop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020732419.7U CN212427805U (en) | 2020-05-07 | 2020-05-07 | Pipe joint connector of plastic corrugated pipe with reinforcing rib tightening hoop |
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| CN212427805U true CN212427805U (en) | 2021-01-29 |
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| CN202020732419.7U Active CN212427805U (en) | 2020-05-07 | 2020-05-07 | Pipe joint connector of plastic corrugated pipe with reinforcing rib tightening hoop |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879091A (en) * | 2021-02-23 | 2021-06-01 | 安徽中隧典凯建设工程有限公司 | Tunnel corrugated steel duct end reinforcing device |
-
2020
- 2020-05-07 CN CN202020732419.7U patent/CN212427805U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879091A (en) * | 2021-02-23 | 2021-06-01 | 安徽中隧典凯建设工程有限公司 | Tunnel corrugated steel duct end reinforcing device |
| CN112879091B (en) * | 2021-02-23 | 2023-08-29 | 安徽中隧典凯建设工程有限公司 | Tunnel corrugated steel duct end reinforcing device |
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