Connecting device for plastic inspection well and steel belt corrugated pipe

Abstract

The utility model discloses a connecting device for a plastic inspection well and a steel belt corrugated pipe, which relates to the technical field of connection of inspection wells and corrugated pipes and comprises an inspection well seat, two pipe connecting ports are symmetrically arranged on the outer side of the inspection well seat, and the outer ends of the pipe connecting ports are fixedly connected with connecting pipes. An anti-falling mechanism is fixedly installed on the outer side wall of the connecting pipe, a corrugated pipe is arranged in the connecting pipe, a fixing ring is fixedly connected to the inner wall of the pipe connecting opening, a plurality of sliding grooves and limiting grooves are formed in the inner wall of the fixing ring, and a plurality of limiting blocks are fixedly connected to the outer side of the left end of the corrugated pipe; according to the device, the limiting block on the left side of the corrugated pipe is aligned with the sliding groove, inserted into the sliding groove and then rotated, the limiting block is moved into the limiting groove, then the anti-disengaging mechanism is adjusted to limit and restrain the corrugated pipe, the corrugated pipe is fixed, and the firmness when the corrugated pipe is connected with the inspection well is improved; and displacement is avoided, so that the connection sealing performance is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of connection between an inspection well and a corrugated pipe, in particular to a connection device between a plastic inspection well and a steel belt corrugated pipe. Background Art

[0002] Inspection wells are set up for the maintenance and installation of power supply, drainage, sewage, communication, gas pipes and street light lines of urban underground infrastructure. They are generally located at the intersection of pipelines, bends, places where pipe diameters or slopes change, and at regular intervals on straight pipe sections. The bellows interface connection device in the inspection well is extremely important during the inspection and installation process.

[0003] The traditional connection method between plastic inspection wells and steel strip corrugated pipes adopts a socket connection, but the contact area between the outer wall of the steel strip corrugated pipe and the inner wall of the inspection well is small, and the connection between the steel strip corrugated pipe and the inspection well is subjected to strong pressure for a long time, which makes the general connection method between the steel strip corrugated pipe and the plastic inspection well not reliable enough, and the connection channel is not stable enough and may shift. Based on this, this scheme provides a connection device between a plastic inspection well and a steel strip corrugated pipe to solve the above-mentioned problems. Utility Model Content

[0004] In order to solve the above technical problems, a connecting device for a plastic inspection well and a steel strip corrugated pipe is provided. This technical solution solves the problem that the general connection method between the steel strip corrugated pipe and the plastic inspection well proposed in the above background technology is not firm enough, the connection channel is not stable enough, and displacement may occur.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A device for connecting a plastic inspection well and a steel belt corrugated pipe, comprising an inspection well seat, two connecting pipe ports are symmetrically arranged on the outer side of the inspection well seat, the outer ends of the connecting pipe ports are fixedly connected to connecting pipes, the outer side walls of the connecting pipes are fixedly installed with anti-slipping mechanisms, a corrugated pipe is arranged inside the connecting pipe, a fixing ring is fixedly connected to the inner wall of the connecting pipe port, the left end of the corrugated pipe is inserted inside the fixing ring, a plurality of groups of sliding grooves and limiting grooves are provided on the inner wall of the fixing ring, a plurality of groups of limiting blocks are fixedly connected to the outer side of the left end of the corrugated pipe, the limiting blocks are matched with the sliding grooves and limiting grooves, the anti-slipping mechanism comprises a fixing cylinder and a rotating ring, the fixing ring The fixed cylinder is fixedly connected to the outside of the connecting tube, and the rotating ring is rotatably installed on the right end of the fixed cylinder. A worm is rotatably installed inside the fixed cylinder, and a gear is fixedly connected to the other end of the worm. Two worm wheels are meshed and connected to the outside of the worm, and the two worm wheels are symmetrically arranged about the worm. The worm wheel is fixedly connected to the surface of the screw, and the upper end of the screw is rotatably connected to the inner wall of the fixed cylinder. A sleeve is threadedly connected to the lower end of the screw, and a clamping plate is fixedly connected to the other end of the sleeve, and the other side of the clamping plate matches the surface of the bellows. The outer side of the gear is meshed with a rack, and the rack is fixedly connected to the inner wall of the rotating ring.

[0007] Preferably, three groups of the sliding grooves and the limiting grooves are provided, and the three groups of the sliding grooves and the limiting grooves are staggered.

[0008] Preferably, a groove is provided on the left side surface of the inspection well seat, and a water stop ring is installed inside the groove.

[0009] Preferably, a sealing ring is provided on the right side of the water stop ring.

[0010] Preferably, a sealing filler is provided on the right side of the sealing ring.

[0011] Compared with the prior art, the utility model proposes a plastic inspection well and a steel belt corrugated pipe connecting device, which has the following beneficial effects:

[0012] 1. In the utility model, the limit block on the left side of the bellows is aligned with the slide groove, the bellows is inserted and then rotated, the limit block is set in the limit groove, and then the anti-slip mechanism is adjusted to limit the bellows, and the rotating ring is rotated, and the rotating ring drives the gear to rotate through the rack on the inner wall, and the gear drives the worm to rotate, and the worm drives the worm wheel to rotate, and the worm wheel in turn drives the screw to rotate, and the screw drives the sleeve to move, and finally the sleeve drives the clamping plate to move toward the bellows, so that the three groups of clamping plates limit the bellows and fix the bellows, thereby improving the reliability of the connection between the bellows and the inspection well, avoiding displacement and ensuring the sealing of the connection.

[0013] 2. The utility model is provided with a water stop ring, a sealing ring and a sealing filler, so that water seepage is not easy to occur at the connection between the bellows and the inspection well, has a good anti-seepage effect, good sealing effect, and no water leakage at the joint, which can effectively reduce the maintenance amount. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall internal structure of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the fixing ring in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the anti-slip mechanism in the utility model.

[0018] The numbers in the figure are:

[0019] 1. Inspection well seat; 2. Connection port; 3. Connecting pipe; 4. Anti-slip mechanism; 401. Fixed cylinder; 402. Rotating ring; 403. Worm; 404. Worm wheel; 405. Screw; 406. Sleeve; 407. Clamping plate; 408. Gear; 409. Rack; 5. Bellows; 501. Limit block; 502. Groove; 6. Fixed ring; 601. Slide; 602. Limit groove; 7. Water stop ring; 8. Sealing ring; 9. Sealing filler. DETAILED DESCRIPTION

[0020] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0021] Reference Figure 1-4As shown, a plastic inspection well and a steel belt corrugated pipe connecting device comprises an inspection well seat 1, two connecting pipe ports 2 are symmetrically arranged on the outer side of the inspection well seat 1, the outer end of the connecting pipe port 2 is fixedly connected with a connecting pipe 3, the outer side wall of the connecting pipe 3 is fixedly installed with an anti-slip mechanism 4, a bellows 5 is arranged inside the connecting pipe 3, a fixing ring 6 is fixedly connected to the inner wall of the connecting pipe port 2, the left end of the bellows 5 is inserted into the inside of the fixing ring 6, and the inner wall of the fixing ring 6 is provided with a plurality of groups of sliding grooves 601 and limiting grooves 602, and a plurality of groups of limiting blocks 501 are fixedly connected to the outer side of the left end of the bellows 5, and the limiting blocks 501 match the sliding grooves 601 and the limiting grooves 602. This device aligns the limit block 501 on the left side of the bellows 5 with the slide groove 601, inserts the bellows 5 and then rotates it to move the limit block 501 into the limit groove 602, then adjusts the anti-slip mechanism 4 to limit the bellows 5, and limits the bellows 5 through three groups of clamping plates 407, which fixes the bellows 5, improves the reliability of the connection between the bellows 5 and the inspection well, avoids displacement and ensures the sealing of the connection.

[0022] Specifically, in this embodiment, the anti-slip mechanism 4 includes a fixed cylinder 401 and a rotating ring 402, the fixed cylinder 401 is fixedly connected to the outer side of the connecting tube 3, the rotating ring 402 is rotatably installed on the right end of the fixed cylinder 401, a worm 403 is rotatably installed inside the fixed cylinder 401, the other end of the worm 403 is fixedly connected to a gear 408, the outer side of the worm 403 is meshed with two worm wheels 404, and the two worm wheels 404 are symmetrically arranged about the worm 403, the worm wheel 404 is fixedly connected to the surface of the screw 405, the upper end of the screw 405 is rotatably connected to the inner wall of the fixed cylinder 401, the lower end of the screw 405 is threadedly connected to a sleeve 406, the other end of the sleeve 406 is fixedly connected to a clamping plate 407, the other side of the clamping plate 407 matches the surface of the bellows 5, the outer side of the gear 408 is meshed with a rack 409, and the rack 409 is fixedly connected to the inner wall of the rotating ring 402. By rotating the rotating ring 402, the rotating ring 402 drives the gear 408 to rotate through the rack 409 on the inner wall, the gear 408 then drives the worm 403 to rotate, the worm 403 then drives the worm wheel 404 to rotate, the worm wheel 404 then drives the screw 405 to rotate, the screw 405 drives the sleeve 406 to move, and finally the sleeve 406 drives the clamping plate 407 to move toward the bellows 5, so that the three groups of clamping plates 407 limit and constrain the bellows 5, thereby fixing the bellows 5.

[0023] Specifically, in this embodiment, three groups of the sliding grooves 601 and the limiting grooves 602 are provided, and the three groups of the sliding grooves 601 and the limiting grooves 602 are arranged alternately.

[0024] Specifically, in this embodiment, a groove 502 is provided on the left surface of the inspection well seat 1 , and a water stop ring 7 is installed inside the groove 502 .

[0025] Specifically, in this embodiment, a sealing ring 8 is provided on the right side of the water stop ring 7 .

[0026] Specifically, in this embodiment, a sealing filler 9 is provided on the right side of the sealing ring 8. By providing the water stop ring 7, the sealing ring 8 and the sealing filler 9, the device makes it difficult for water to seep into the connection between the bellows 5 and the inspection well, has a good anti-seepage effect, a good sealing effect, and no water leakage at the joint, thereby effectively reducing the amount of maintenance.

[0027] The working principle of the utility model is: the device aligns the limit block 501 on the left side of the bellows 5 with the slide groove 601, inserts the bellows 5 and then rotates it to move the limit block 501 into the limit groove 602, and then adjusts the anti-slip mechanism 4 to limit and constrain the bellows 5, and by rotating the rotating ring 402, the rotating ring 402 drives the gear 408 to rotate through the rack 409 on the inner wall, and the gear 408 drives the worm 403 to rotate, and the worm 403 drives the worm wheel 404 to rotate, and the worm wheel 404 drives the screw 405 to rotate, and the screw 405 drives the sleeve 406 to move, and finally the sleeve 406 drives the clamping plate 407 to move toward the bellows 5, so that the three groups of clamping plates 407 limit and constrain the bellows 5, fix the bellows 5, improve the reliability of the connection between the bellows 5 and the inspection well, avoid displacement, and thus ensure the sealing of the connection.

[0028] The device is provided with a water stop ring 7, a sealing ring 8 and a sealing filler 9, so that water seepage is not easy to occur at the connection between the corrugated pipe 5 and the inspection well, has a good anti-seepage effect, a good sealing effect, and no water leakage at the joint, thereby effectively reducing the maintenance workload.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A plastic inspection well and steel belt corrugated pipe connection device, characterized in that: It comprises an inspection well seat (1), wherein two pipe ports (2) are symmetrically arranged on the outer side of the inspection well seat (1), the outer end of the pipe port (2) is fixedly connected to a connecting pipe (3), the outer wall of the connecting pipe (3) is fixedly installed with an anti-slip mechanism (4), a bellows (5) is arranged inside the connecting pipe (3), the inner wall of the pipe port (2) is fixedly connected to a fixing ring (6), the left end of the bellows (5) is inserted into the inside of the fixing ring (6), the inner wall of the fixing ring (6) is provided with a plurality of groups of sliding grooves (601) and limiting grooves (602), the outer side of the left end of the bellows (5) is fixedly connected to a plurality of groups of limiting blocks (501), and the limiting blocks (501) are matched with the sliding grooves (601) and the limiting grooves (602); The anti-slip mechanism (4) comprises a fixed cylinder (401) and a rotating ring (402), wherein the fixed cylinder (401) is fixedly connected to the outside of the connecting tube (3), and the rotating ring (402) is rotatably mounted on the right end of the fixed cylinder (401). A worm (403) is rotatably mounted inside the fixed cylinder (401), and the other end of the worm (403) is fixedly connected to a gear (408). The outside of the worm (403) is meshedly connected to two worm wheels (404), and the two worm wheels (404) are symmetrical about the worm (403). The worm gear (404) is fixedly connected to the surface of the screw (405), the upper end of the screw (405) is rotatably connected to the inner wall of the fixed cylinder (401), the lower end of the screw (405) is threadedly connected to a sleeve (406), the other end of the sleeve (406) is fixedly connected to a clamping plate (407), the other side of the clamping plate (407) matches the surface of the bellows (5), the outer side of the gear (408) is meshed with a rack (409), and the rack (409) is fixedly connected to the inner wall of the rotating ring (402).

2. A plastic inspection well and steel belt corrugated pipe connecting device according to claim 1, characterized in that: The sliding grooves (601) and the limiting grooves (602) are each provided in three groups, and the three groups of the sliding grooves (601) and the limiting grooves (602) are arranged in an alternating manner.

3. A plastic inspection well and steel belt corrugated pipe connecting device according to claim 1, characterized in that: A groove (502) is provided on the left side surface of the inspection well seat (1), and a water stop ring (7) is installed inside the groove (502).

4. A plastic inspection well and steel belt corrugated pipe connecting device according to claim 3, characterized in that: A sealing ring (8) is arranged on the right side of the water stop ring (7).

5. A plastic inspection well and steel belt corrugated pipe connecting device according to claim 4, characterized in that: A sealing filler (9) is provided on the right side of the sealing ring (8).

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