Rotational flow stand pipe inspection opening structure

Abstract

The utility model discloses a rotational flow stand pipe inspection opening structure which comprises a connecting pipe. A fixing cover is installed at the upper end of the connecting pipe, an inserting groove is formed in the upper end of the fixing cover, a rotational flow pipe is arranged at the bottom end of the connecting pipe and fixedly installed at the bottom end of the connecting pipe through a bolt, an inspection opening is formed in one side of the middle of the connecting pipe, and a jacking mechanism is installed at the upper end of the inspection opening. Inserting rods are installed on the periphery of the outer side of the inspection opening, a sealing cover is arranged on the outer side of the inspection opening, arc-shaped grooves are formed in the periphery of one side of the sealing cover, and the inserting rods are inserted into the arc-shaped grooves. When the sealing cover is installed, the sealing cover is aligned with the inspection opening, the arc-shaped groove is aligned with the inserting rod, the inserting rod slides into the sliding groove and then rotates, the inspection opening and the sealing cover can be connected, the sealing cover is tightly jacked through the jacking mechanism, the sealing cover can be installed, and therefore the sealing cover can be conveniently disassembled and assembled.

Description

Technical Field

[0001] The utility model relates to the technical field of vortex risers, in particular to the inspection port structure of a vortex riser. Background Art

[0002] A vortex riser is a special drainage system designed based on the principle of fluid dynamics, which can realize the two major functions of drainage and ventilation in a single riser. Through special pipes and fittings, the water flow in this system flows spirally along the inner wall of the pipe, forming an air core in the middle, thus realizing the separation of air and water and improving the drainage capacity of the riser. Inspection ports need to be set during the use of the vortex riser.

[0003] Chinese Patent No. CN2019205740354 discloses a vortex riser with an expansion joint and an inspection port, including a vortex pipe and a connecting pipe. A telescopic joint is provided at the first end of the connecting pipe. An insertion slot for inserting a drain pipe is provided inside the telescopic joint. A first step for pressing against the drain pipe is provided at the bottom of the insertion slot. An elastic ring for abutting against the outer wall of the drain pipe is provided on the slot wall of the insertion slot. The elastic ring undergoes elastic deformation due to the thermal expansion and contraction of the drain pipe. An inspection port is provided on the side of the connecting pipe, and a sealing cover adapted to it is detachably provided at the inspection port. The second end of the connecting pipe is connected to the vortex pipe. In the prior art, the disassembly and installation of the inspection port are very inconvenient during use, affecting the inspection of the interior of the vortex riser. Summary of the Invention

[0004] The purpose of the utility model is to provide an inspection port structure for a vortex riser to solve the problems raised in the prior art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: The inspection port structure of a vortex riser includes a connecting pipe; a fixed cover is installed at the upper end of the connecting pipe, the fixed cover is rotatably installed at the upper end of the connecting pipe, an insertion slot is installed at the upper end of the fixed cover, a vortex pipe is provided at the bottom end of the connecting pipe, the vortex pipe is fixedly installed at the bottom end of the connecting pipe by bolts, an inspection port is installed at one side position in the middle of the connecting pipe, a tightening mechanism is installed at the upper end of the inspection port, insertion rods are installed around the outer side of the inspection port, a sealing cover is provided outside the inspection port, and arc-shaped grooves are installed around one side of the sealing cover. The insertion rods are inserted into the arc-shaped grooves.

[0006] Preferably, handles are provided on both sides of the sealing cover, and the handles are installed on both sides of the sealing cover.

[0007] Preferably, the tightening mechanism consists of a spring and a top plate. The top plate is slidably installed outside the inspection port. The spring is sleeved outside the inspection port, and the spring is installed at the corresponding positions of the top plate and the connecting pipe.

[0008] Preferably, a protective sleeve is sleeved outside the spring, and both ends of the protective sleeve are adhered to one side of the connecting pipe and one side of the top plate by adhesive.

[0009] Preferably, a conical groove is provided at one end of the arc-shaped groove.

[0010] Preferably, a rubber plug is provided inside the cover, and the rubber plug is inserted into the inspection port.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. When installing the cover, align the cover with the inspection port, align the arc-shaped groove with the insertion rod, slide the insertion rod into the sliding groove and then rotate it, so that the inspection port and the cover can be connected, and the cover is tightened by the tightening mechanism, so that the cover can be installed, thus facilitating the disassembly and assembly of the cover;

[0013] 2. During the use of the tightening mechanism, the top plate is pushed outwards by the spring, so that the connection between the top plate and the cover can be made tighter;

[0014] 3. The protective sleeve is provided to protect the spring, reduce the corrosion of the spring during use, and extend the service life of the spring;

[0015] 4. When installing the cover, insert the rubber plug into the inspection port to increase the sealing performance between the cover and the inspection port. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model, and do not constitute a limitation to the present utility model. In the drawings:

[0017] Figure 1 is a schematic structural view of the present utility model;

[0018] Figure 2 is a schematic side view structure of the present utility model;

[0019] Figure 3 is a schematic structural view of the inspection port of the present utility model;

[0020] Figure 4 is a schematic structural view of the cover of the present utility model.

[0021] In the figure: 1. Connecting pipe; 2. Swirl pipe; 3. Fixed cover; 4. Insertion slot; 5. Cover; 6. Inspection port; 7. Tightening mechanism; 8. Protective sleeve; 9. Insertion rod; 10. Arc-shaped groove; 11. Top plate; 12. Rubber plug; 13. Spring; 14. Handle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, in combination with the accompanying drawings in the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , in the embodiment of the present invention, the swirl riser inspection port structure includes a connecting pipe 1; a fixed cover 3 is installed at the upper end of the connecting pipe 1, the fixed cover 3 is rotatably installed at the upper end of the connecting pipe 1, a plug-in groove 4 is installed at the upper end of the fixed cover 3, a swirl pipe 2 is arranged at the bottom end of the connecting pipe 1, the swirl pipe 2 is fixedly installed at the bottom end of the connecting pipe 1 by bolts, an inspection port 6 is installed at one side of the middle of the connecting pipe 1, a tightening mechanism 7 is installed at the upper end of the inspection port 6, insertion rods 9 are installed around the outer side of the inspection port 6, a sealing cover 5 is arranged outside the inspection port 6, arc-shaped grooves 10 are installed around one side of the sealing cover 5, and the insertion rods 9 are inserted into the arc-shaped grooves 10; handles 14 are arranged on both sides of the sealing cover 5, the handles 14 are installed on both sides of the sealing cover 5, and the arrangement of the handles 14 facilitates gripping, so as to facilitate the staff to quickly rotate the sealing cover 5.

[0024] The tightening mechanism 7 is composed of a spring 13 and a top plate 11. The top plate 11 is slidably installed outside the inspection port 6. The spring 13 is sleeved outside the inspection port 6. The spring 13 is installed at the corresponding positions of the top plate 11 and the connecting pipe 1. During the use of the tightening mechanism 7, the spring 13 pushes the top plate 11 outwards, so that the connection between the top plate 11 and the sealing cover 5 can be made tighter. A protective sleeve 8 is sleeved outside the spring 13. Both ends of the protective sleeve 8 are pasted on one side of the connecting pipe 1 and one side of the top plate 11 by adhesive. The arrangement of the protective sleeve 8 is used to protect the spring 13 and reduce the corrosion of the spring 13 during use, thereby prolonging the service life of the spring 13.

[0025] One end of the arc-shaped groove 10 is provided with a tapered groove. The setting of the tapered groove is used to increase the caliber of the front end of the arc-shaped groove 10, so as to facilitate quickly inserting the insertion rod 9 into the arc-shaped groove 10; a rubber plug 12 is arranged inside the sealing cover 5, and the rubber plug 12 is inserted into the inspection port 6. When installing the sealing cover 5, the rubber plug 12 is inserted into the inspection port 6 to increase the sealing performance between the sealing cover 5 and the inspection port 6.

[0026] Working principle and usage process of the present utility model: During use, the connecting pipe 1 is repaired through the inspection port 6. During the repair process, just open the cover 5. When installing the cover 5, align the cover 5 with the inspection port 6, align the arc-shaped groove 10 with the insertion rod 9, slide the insertion rod 9 into the inside of the sliding groove and then rotate it to connect the inspection port 6 and the cover 5. And the cover 5 is tightened by the tightening mechanism 7 to install the cover 5, thus facilitating the disassembly and assembly of the cover 5.

[0027] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A cyclone riser inspection port structure, comprising a connecting pipe (1); characterized in that: The upper end of the connecting tube (1) is provided with a fixed cover (3), the fixed cover (3) being rotatably mounted on the upper end of the connecting tube (1), the upper end of the fixed cover (3) being provided with a plug-in slot (4), the lower end of the connecting tube (1) being provided with a swirl tube (2), the swirl tube (2) being fixedly mounted on the lower end of the connecting tube (1) by means of bolts, an inspection port (6) being provided on one side of the middle of the connecting tube (1), a tightening mechanism (7) being provided on the upper end of the inspection port (6), an insertion rod (9) being provided on the outer periphery of the inspection port (6), a sealing cover (5) being provided on the outer periphery of one side of the sealing cover (5), the insertion rod (9) being inserted into the inner periphery of the arcuate slot (10).

2. The cyclone riser inspection port structure according to claim 1, characterized in that: Handles (14) are provided on both sides of the cover (5), and the handles (14) are installed at positions on both sides of the cover (5).

3. The cyclone riser inspection port structure according to claim 1, characterized in that: The tightening mechanism (7) is composed of a spring (13) and a top plate (11); the top plate (11) is slidably mounted at an outer position of the inspection port (6); the spring (13) is sleeved at an outer position of the inspection port (6); and the spring (13) is mounted at corresponding positions of the top plate (11) and the connecting pipe (1).

4. The cyclone riser inspection port structure according to claim 3 is characterized in that: The outer side of the spring (13) is covered with a protective sleeve (8), and the two ends of the protective sleeve (8) are adhered to one side of the connecting pipe (1) and one side of the top plate (11) by adhesive.

5. The cyclone riser inspection port structure according to claim 1, characterized in that: A tapered groove is provided at one end of the arc-shaped groove (10).

6. The cyclone riser inspection port structure according to claim 1, characterized in that: A rubber plug (12) is provided on the inner side of the sealing cover (5), and the rubber plug (12) is inserted into the interior of the inspection port (6).

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