Connecting structure of corrugated pipe

Abstract

The utility model discloses a connecting structure of a corrugated pipe, which comprises a pipeline connecting piece, the pipeline connecting piece comprises a cylinder with two open ends, expansion ports are arranged at the two open ends of the cylinder, a left corrugated pipe section is inserted into the expansion port at the left side of the cylinder, and a right corrugated pipe section is inserted into the expansion port at the right side of the cylinder; ports of the left corrugated pipe section and the right corrugated pipe section extend to form extension pipe sections, the extension pipe sections are flat straight pipe sections, the extension pipe sections are inserted into the expansion ports, a plurality of gears are rotationally installed on the circles of the expansion ports in the two ends of the barrel, shifting rods are installed on the gears, racks are arranged on the outer sides of the extension pipe sections and correspond to the gears, and the racks are arranged on the outer sides of the extension pipe sections. The gear is in meshing transmission with the rack; the left side corrugated pipe section and the right side corrugated pipe section are respectively provided with a deflector rod locking device used for locking the deflector rod. The corrugated pipe sections on the two sides can be connected more firmly, and disassembly and assembly are convenient; meanwhile, the sealing effect is enhanced, and leakage is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a connecting structure of corrugated pipe belongs to the connecting technical field of corrugated pipe. BACKGROUND

[0002] The pipeline connecting structure is a connecting piece connecting the pipe ends of adjacent pipelines. When the corrugated pipe is laid over a long distance, multiple pipelines need to be connected end to end through the connecting piece. In the prior art, for the connection of the corrugated pipe, a connecting section with a smaller outer diameter is formed at one end, and then the connecting section is inserted into the other end of the adjacent corrugated pipe. Although this connection method is convenient, when the water pressure in the corrugated pipe is large, it causes water leakage problems, and even directly separates, and after long-term use, the entire corrugated pipe section is often damaged at the pipeline butt joint.

[0003] From the above, it can be seen that the prior art has obvious inconvenience and defects in actual use, so it is necessary to improve. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the background art, the utility model provides a connecting structure of corrugated pipe, which can make the connection of the corrugated pipe sections on both sides more firm, and is convenient to disassemble and assemble; and the sealing effect is enhanced to prevent leakage.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A connecting structure of corrugated pipe, comprising a pipeline connecting piece, the pipeline connecting piece comprises a barrel with two open ends, expansion openings are arranged at both open ends of the barrel, a left corrugated pipe section is inserted and assembled into the expansion opening on the left side of the barrel, and a right corrugated pipe section is inserted and assembled into the expansion opening on the right side of the barrel;

[0007] Extension pipe sections are formed at the ports of the left corrugated pipe section and the right corrugated pipe section, the extension pipe sections are straight pipe sections, the extension pipe sections are inserted into the expansion openings, a plurality of gears are rotatably installed at the expansion openings at both ends of the barrel, a lever is installed on the gear, a rack is arranged at the position corresponding to the gear on the outer side of the extension pipe section, and the gear and the rack are in meshing transmission;

[0008] The left corrugated pipe section and the right corrugated pipe section are also respectively provided with lever locking devices for locking the lever.

[0009] Further, the lever locking device is a plurality of closed locks, the closed lock is a U-shaped piece, the two openings at the lower end of the closed lock are hinged to the outer wall of the corrugated pipe, and the closed lock has a plurality of closed locks and is arranged in one-to-one correspondence with the lever.

[0010] Further, a protruding portion is arranged on the back side of the end portion of the lever, and when the closed lock blocks the lever, the protruding portion blocks one side of the closed lock.

[0011] Further, the two ends of the barrel are respectively provided with an outwardly open annular slot, and the annular slot is internally provided with a sealing rubber ring.

[0012] Further, the opposite inner walls at the opening of the annular slot are respectively provided with an O-ring.

[0013] Further, four or six gears are uniformly arranged at the expansion opening of one end of the barrel, and the extension pipe sections of the left and right corrugated pipe sections are provided with the same number of racks as the gears.

[0014] Further, a plurality of limiting ribs are arranged on the outer side of the extension pipe sections of the left and right corrugated pipe sections in the axial direction, and a plurality of limiting grooves are arranged on the inner wall of the expansion opening of the barrel, and the limiting ribs and the limiting grooves are matched.

[0015] The above technical scheme is adopted, and compared with the prior art, the following advantages are obtained:

[0016] The expansion opening is provided with a plurality of gears, the gears are provided with a lever, the outer side of the extension pipe section is provided with a rack, and the gears and the rack are engaged and transmitted; during the transmission process, the gears push the left and right corrugated pipe sections to slide into the interior of the barrel, the lever is locked by the lever locking device, the pipeline connecting piece connects the left and right corrugated pipe sections, the connection of the left and right corrugated pipe sections is more firm, and the pipeline connecting piece is convenient to disassemble and assemble.

[0017] The annular slot is internally provided with a sealing rubber ring, the extension pipe sections of the left and right corrugated pipe sections are inserted into the annular slot, the opposite inner walls at the opening of the annular slot are respectively provided with an O-ring, the sealing rubber ring and the O-ring play a double sealing role, and the sealing effect is enhanced.

[0018] The utility model will be described in detail in combination with the drawings and examples. DRAWINGS

[0019] Figure 1 is the internal structure schematic view of the utility model;

[0020] Figure 2 is Figure 1 is the enlarged view of A in the figure;

[0021] Figure 3 is the structure schematic view of the right corrugated pipe section.

[0022] In the figure,

[0023] 1 - left corrugated pipe section, 2 - right corrugated pipe section, 3 - extension pipe section, 4 - barrel, 5 - expansion opening, 6 - gear, 7 - lever, 701 - protrusion, 8 - closed lock, 9 - rack, 10 - annular slot, 11 - sealing rubber ring, 12 - O-ring, 13 - limiting rib. DETAILED DESCRIPTION

[0024] In order to have a clearer understanding of the technical features, objects and effects of the present application, the specific embodiments of the present application will be described with reference to the drawings.

[0025] As shown in Figure 1 The utility model provides a corrugated pipe's connecting structure, including pipeline connecting piece, the pipeline connecting piece includes two open barrel 4, and both open ends of barrel 4 are equipped with expansion opening 5, and the expansion opening 5 of left side of barrel 4 inserts and installs left corrugated pipe section 1, and the expansion opening 5 of right side of barrel 4 inserts and installs right corrugated pipe section 2;

[0026] The port of left corrugated pipe section 1 and right corrugated pipe section 2 extends and forms extension pipe section 3, and the extension pipe section 3 is straight pipe section, and the extension pipe section 3 is inserted into expansion opening 5, and a circle of expansion opening 5 at both ends of barrel 4 is rotatably installed with a plurality of gears 6, and the lever 7 is installed on the gear 6, and the extension pipe section 3 is provided with a rack 9 at the corresponding place of the gear 6 outside, and the gear 6 and the rack 9 are engaged transmission;Left corrugated pipe section 1 and right corrugated pipe section 2 are also respectively provided with lever locking device to lock lever 7.

[0027] After left corrugated pipe section 1 and right corrugated pipe section 2 are inserted into expansion opening 5 at both ends of barrel 4, lever 7 is pushed, and the gear 6 and the rack 9 are engaged transmission, and in the transmission process, the gear 6 pushes left corrugated pipe section 1 and right corrugated pipe section 2 and slides into the inside of barrel 4, and lever locking device locks lever 7, so that the pipeline connecting piece connects left corrugated pipe section 1 and right corrugated pipe section 2.

[0028] In one embodiment, the lever locking device is a plurality of closed locks 8, the closed lock 8 is a U-shaped piece, and the two openings at the lower end of the closed lock 8 are hinged on the outer wall of the corrugated pipe, and the closed lock 8 has a plurality of and is arranged one by one with the lever 7.

[0029] As shown in Figure 2 The back side of the end of the lever 7 is provided with a protrusion 701, and when the closed lock 8 blocks the lever 7, the protrusion 701 blocks one side of the closed lock 8 to prevent the closed lock 8 from being released.

[0030] Two ends of the barrel 4 are respectively provided with an outwardly open annular slot 10, the annular slot 10 is internally provided with a sealing rubber ring 11, the end of the extension pipe section 3 of the left corrugated pipe section 1 and the right corrugated pipe section 2 is inserted into the annular slot 10, and the sealing rubber ring 11 plays a sealing role.

[0031] Further, the opposite inner walls at the opening of the annular slot 10 are respectively provided with an O-shaped ring 12, the inner wall and the outer wall of the extension pipe section 3 are sealed.

[0032] Four or six gears 6 are uniformly arranged at the expansion opening 5 of one end of the barrel 4, and the extension pipe section 3 of the left corrugated pipe section 1 and the right corrugated pipe section 2 is provided with the same number of racks 9 as the gears 6.

[0033] Further, a plurality of limiting ribs 13 are arranged on the outer side of the extension pipe section 3 of the left corrugated pipe section 1 and the right corrugated pipe section 2 in the axial direction, and a plurality of limiting grooves (not shown in the figure) are arranged on the inner wall of the expansion opening 5 of the barrel 4, and the limiting ribs 13 are matched with the limiting grooves. When the extension pipe section 3 is inserted into the expansion opening 5 of the barrel 4, the limiting ribs 13 are inserted into the limiting grooves, which prevents the corrugated pipe from rotating relative to the pipeline connector and ensures that the gears 6 and the racks 9 can be well engaged.

[0034] The specific working principle of the utility model is as follows:

[0035] The pipeline connector comprises a barrel 4 with two open ends, the two open ends of the barrel 4 are provided with expansion openings 5, the corrugated pipes on the two sides are inserted into the expansion openings 5 of the barrel 4, a plurality of gears 6 are mounted on the expansion openings 5, a lever 7 is mounted on the gear 6, a rack 9 is arranged on the outer side of the extension pipe section 3, and the gear 6 is engaged with the rack 9 for transmission; when the lever 7 is pushed, the gear 6 is engaged with the rack 9 for transmission, in the transmission process, the gear 6 pushes the left corrugated pipe section 1 and the right corrugated pipe section 2 to slide into the inside of the barrel 4, and the lever locking device is used for locking the lever 7, so that the pipeline connector connects the left corrugated pipe section 1 and the right corrugated pipe section 2, the left corrugated pipe section 1 and the right corrugated pipe section 2 are connected more firmly, and the pipeline connector is convenient to disassemble and assemble.

[0036] Two ends of the barrel 4 are respectively provided with an outwardly open annular slot 10, the annular slot 10 is internally provided with a sealing rubber ring 11, the end of the extension pipe section 3 of the left corrugated pipe section 1 and the right corrugated pipe section 2 is inserted into the annular slot 10, and the opposite inner walls at the opening of the annular slot 10 are respectively provided with an O-shaped ring 12, the sealing rubber ring 11 and the O-shaped ring 12 play a double sealing role, and the sealing effect is enhanced.

[0037] The above is an example of the best embodiment of the present application, wherein the parts not described in detail are common knowledge of those skilled in the art. The protection scope of the present application is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the present application is also within the protection scope of the present application.

Claims

1. A bellows connecting structure characterized by: The utility model provides a pipeline connecting piece, which comprises a cylinder (4) with two open ends, and an expansion opening (5) is arranged at each open end of the cylinder (4); a left corrugated pipe section (1) is inserted into the expansion opening (5) on the left side of the cylinder (4); a right corrugated pipe section (2) is inserted into the expansion opening (5) on the right side of the cylinder (4); an extension pipe section (3) is formed at the port of the left corrugated pipe section (1) and the right corrugated pipe section (2); the extension pipe section (3) is a straight pipe section; the extension pipe section (3) is inserted into the expansion opening (5); a plurality of gear wheels (6) are rotatably arranged at the expansion openings (5) at the two ends of the cylinder (4); a lever (7) is arranged on the gear wheel (6); a rack (9) is arranged on the outer side of the extension pipe section (3) corresponding to the gear wheel (6); the gear wheel (6) is in meshing transmission with the rack (9); the left corrugated pipe section (1) and the right corrugated pipe section (2) are respectively provided with a lever locking device for locking the lever (7). The lever locking device is a plurality of closed locks (8); the closed lock (8) is a U-shaped piece; the two openings at the lower end of the closed lock (8) are hingedly connected to the outer wall of the corrugated pipe; the closed lock (8) is provided in plurality and corresponds to the lever (7) one by one. The back side of the end portion of the lever (7) is provided with a protruding portion (701); when the closed lock (8) blocks the lever (7), the protruding portion (701) is blocked on one side of the closed lock (8).

2. A bellows coupling structure as claimed in claim 1, characterized in that: The inside of the cylinder (4) is respectively provided with an outwardly opening annular insertion slot (10) at the two ends; the annular insertion slot (10) is respectively provided with a sealing rubber ring (11) inside; the end portion of the extension pipe section (3) of the left corrugated pipe section (1) and the right corrugated pipe section (2) is inserted into the annular insertion slot (10).

3. A bellows coupling as claimed in claim 2, characterized in that: An O-shaped ring (12) is arranged on the opposite inner walls at the opening of the annular insertion slot (10).

4. A bellows coupling as defined in claim 1, wherein: Four or six gear wheels (6) are arranged at the expansion openings (5) at one end of the cylinder (4); the same number of racks (9) as the gear wheels (6) are arranged on the extension pipe section (3) of the left corrugated pipe section (1) and the right corrugated pipe section (2).

5. A bellows coupling as claimed in claim 4, wherein: A plurality of limiting rib strips (13) are arranged on the outer side of the extension pipe section (3) of the left corrugated pipe section (1) and the right corrugated pipe section (2) in the axial direction; a plurality of limiting grooves are arranged on the inner wall of the expansion opening (5) of the cylinder (4); the limiting rib strips (13) are matched with the limiting grooves.

6. A bellows coupling structure as claimed in claim 1, wherein: ​ 7. A bellows coupling structure as claimed in claim 1, wherein: ​

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