Anti-reflux spiral-flow aerator

Abstract

The utility model discloses an anti-reflux spiral-flow aerator, which belongs to the field of spiral-flow aerators and comprises a spiral-flow outer cylinder, a connecting convex pipe is fixedly mounted on the side surface of the bottom end of the spiral-flow outer cylinder, and an anti-reflux air inlet pipe is detachably mounted on the outer side of the connecting convex pipe. First connecting pieces are fixedly installed at the connecting positions of the connecting protruding pipe and the anti-backflow air inlet pipe, a check valve is movably installed in the anti-backflow air inlet pipe, an L-shaped connecting rod is fixedly installed on the side face of the check valve, a protection pipe is fixedly installed on one side of the L-shaped connecting rod, and a mounting box is fixedly installed at the top end of the anti-backflow air inlet pipe. The anti-backflow device can achieve the function of preventing backflow in the air inlet pipe of the aerator, can perform detection in real time, ensures that early warning prompt can be performed in the first time when an internal check valve goes wrong and backflow prevention cannot be performed, ensures that a worker can perform maintenance in the first time, and prevents further damage to parts due to too long backflow time.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of rotational flow aerator, more specifically, relate to a backflow prevention rotational flow aerator. BACKGROUND

[0002] Aerator is the necessary equipment of water supply and drainage aeration oxygenation, and the patent publication number CN214781049U discloses a rotational flow aerator, and relates to the technical field of sewage treatment equipment. The rotational flow aerator, including rotational flow outer tube, the top of rotational flow outer tube is fixedly connected with outer tube top cover, and the bottom of rotational flow outer tube is fixedly connected with outer tube bottom cover, the bottom of outer tube top cover is fixedly connected with cutting mechanism, the top of outer tube bottom cover is fixedly connected with rotational flow mechanism, the side of rotational flow outer tube bottom is fixedly connected with first connecting protrusion, and rotational flow outer tube is fixedly connected with air inlet mechanism through first connecting protrusion, the middle part of outer tube top cover and outer tube bottom cover is all provided with through hole. The utility model discloses a rotational flow aerator structure is relatively simple, and it is convenient to disassemble, and then it is convenient to disassemble and repair in the later period, and the labor efficiency is improved through the setting of rotational flow outer tube, outer tube top cover, outer tube bottom cover and air inlet mechanism.

[0003] In the prior art, the absence of a corresponding anti-backflow structure inside the air inlet pipe leads to the occurrence of backflow at the port due to gas source failure or pipe blockage, thereby affecting water quality and causing damage to the corresponding structural components or pump body, which in turn leads to overall aerator failure and inability to use. Even if a check valve is installed, some check valves cannot be detected in time after failure, still leading to backflow impact. Therefore, a backflow-preventing air inlet pipe and a backflow-preventing mechanism that can promptly alert failure are needed. SUMMARY

[0004] 1. Technical problem to be solved

[0005] In view of the problems existing in the prior art, the utility model aims to provide a backflow-preventing rotational flow aerator that can prevent backflow inside the air inlet pipe of the aerator and can detect in real time to ensure that the check valve inside is warned in the first time when it fails to prevent backflow, so that the staff can repair it in the first time to prevent further damage to the components caused by prolonged backflow.

[0006] 2. Technical scheme

[0007] To solve the above problems, the utility model adopts the following technical scheme.

[0008] The utility model provides an anti -reverse flow's cyclone aerator, including cyclone outer tube, the side fixed mounting of cyclone outer tube bottom end is connected convex pipe, the outside detachable mounting of connected convex pipe and anti -reverse flow's air inlet pipe is connected, the fixed mounting of connected place of anti -reverse flow's air inlet pipe and connected convex pipe all is connected piece no.

[0009] Further, the side of the connecting convex pipe is fixedly installed with a positioning column and a sealing gasket, respectively, and the side of the anti -reverse flow air inlet pipe is provided with a sealing groove.

[0010] Further, the anti -reverse flow air inlet pipe is integrally formed with a flow guide platform inside, the number of the anti -reverse flow air inlet pipe is two, and the outer wall of the two anti -reverse flow air inlet pipes is fixedly connected with a connecting piece two.

[0011] Further, the inner wall of the anti -reverse flow air inlet pipe is provided with a pipe groove, the shape of the pipe groove is matched with the shape of the protection tube, a wire groove is formed in the center of the anti -reverse flow air inlet pipe, a wire is arranged in the wire groove, and the top end of the wire groove is in communication with the controller.

[0012] Further, the top end of the L-shaped connecting rod is fixedly installed with a rotating rod, the side of the L-shaped connecting rod is fixedly connected with a spring, and the top end of the spring is fixedly connected with a pressure sensor two.

[0013] Further, the left and right ends of the rotating rod are rotatably installed in the cyclone outer tube, the top end of the pressure sensor two is fixedly connected to the inner wall of the anti -reverse flow air inlet pipe, and the pressure sensor two is electrically connected with the controller through the wire in the wire groove.

[0014] Further, the outer surface of the anti -reverse flow valve is fixedly installed with a pressure sensor one, and the pressure sensor one and the controller are electrically connected.

[0015] Further, the outer end of the anti -reverse flow valve is integrally formed with a sealing ring, and the outer wall of the sealing ring is closely attached to the inner wall of the anti -reverse flow air inlet pipe when the anti -reverse flow valve is in a vertical state.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] (1) The connection convex pipe and the anti-backflow air inlet pipe can be disassembled and assembled, and the anti-backflow air inlet pipe itself can be split and assembled, so as to facilitate the maintenance of the inside by the staff, without affecting the practicability of the inside of the whole cyclone outer cylinder.

[0019] (2) The anti-backflow air inlet pipe is provided with the anti-backflow function by the check valve and the L-shaped connecting rod, and the controller and the buzzer are cooperated to realize the automatic alarm when the check valve cannot reset the anti-backflow, so as to remind the staff to close and check and maintain in time, and prevent the long time of the internal backflow from affecting the safe use of other components. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view in the utility model;

[0021] Figure 2 It is a connection convex pipe and anti-backflow air inlet pipe three-dimensional assembly schematic view in the utility model;

[0022] Figure 3 It is a whole cross-section front view schematic view of the anti-backflow air inlet pipe in the utility model;

[0023] Figure 4 It is a check valve connection schematic view in the utility model.

[0024] Explanation of reference numerals in the drawing:

[0025] 1, cyclone outer cylinder; 2, connection convex pipe; 3, anti-backflow air inlet pipe; 4, connecting piece one; 5, check valve; 6, L-shaped connecting rod; 7, protection pipe; 8, controller; 9, connecting wire; 10, buzzer; 201, positioning column; 202, sealing gasket; 301, flow guide table; 302, connecting piece two; 303, mounting box; 304, sealing groove; 305, pipe groove; 306, wire groove; 501, pressure sensor one; 502, sealing ring; 601, rotating rod; 602, spring; 603, pressure sensor two. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments; Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0027] In the description of the utility model, it is necessary to explain, the term "upper", "lower", "internal", "external", "top / end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0028] In the description of the utility model, it is necessary to explain, unless otherwise specified and limited, the terms "mounting", "setting", "sleeving / connection", "connection" and so on should be understood broadly, for example, "connection", which can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] Example 1:

[0030] Please refer to Figures 1-4 A reverse flow prevention cyclone aerator, including cyclone outer tube 1, the side surface of the bottom end of cyclone outer tube 1 is fixedly installed with connecting convex pipe 2, the outer side of connecting convex pipe 2 is detachably installed with anti-backflow inlet pipe 3, the connecting place of connecting convex pipe 2 and anti-backflow inlet pipe 3 is fixedly installed with connecting piece one 4, the inside of anti-backflow inlet pipe 3 is movably installed with check valve 5, the side surface of check valve 5 is fixedly installed with L-shaped connecting rod 6, one side of L-shaped connecting rod 6 is fixedly installed with protection tube 7, the top end of anti-backflow inlet pipe 3 is fixedly installed with installation box 303, the inside of installation box 303 is fixedly installed with controller 8, one end of controller 8 is electrically connected with connecting lead 9, one end of connecting lead 9 is electrically connected with buzzer 10;

[0031] It should be noted that the cyclone outer tube 1 in the utility model belongs to a mature component in the prior art, so its specific structure inside and the corresponding working principle are not described in detail in the utility model;

[0032] The side of the connecting convex pipe 2 is respectively fixedly provided with a positioning column 201 and a sealing gasket 202, the side of the anti-backflow air inlet pipe 3 is provided with a sealing groove 304, the size of the sealing groove 304 is matched with the size of the sealing gasket 202, the inside of the anti-backflow air inlet pipe 3 is integrally formed with a flow guide table 301, the number of the anti-backflow air inlet pipe 3 is two, the outer wall of the two anti-backflow air inlet pipes 3 is fixedly connected with a connecting piece two 302, the inner wall of the anti-backflow air inlet pipe 3 is provided with a pipe groove 305, the shape of the pipe groove 305 is matched with the shape of the protection pipe 7, the center of the pipe groove 305 is provided with a wire groove 306 in the inside of the anti-backflow air inlet pipe 3, the wire groove 306 is provided with a wire, and the wire groove 306 is in communication with the controller 8 at the top end;

[0033] Specifically, the sealing gasket 202 cooperates with the sealing groove 304 to ensure the sealing of the connection between the connecting convex pipe 2 and the anti-backflow air inlet pipe 3, so that the gas does not leak, and the wire in the wire groove 306 is in communication with the controller 8, cooperates with the pressure sensing of the pressure sensor two 603 to identify the opening state of the anti-backflow valve 5, identifies the basic position of the anti-backflow valve 5, and cooperates with the signal of the pressure sensor one 501 to identify whether the backflow occurs.

[0034] The top end of the L-shaped connecting rod 6 is fixedly provided with a rotating rod 601, the side of the L-shaped connecting rod 6 is fixedly connected with a spring 602, the top end of the spring 602 is fixedly connected with a pressure sensor two 603, the left and right ends of the rotating rod 601 are rotatably installed in the inside of the rotational flow outer cylinder 1, the top end of the pressure sensor two 603 is fixedly connected to the inner wall of the anti-backflow air inlet pipe 3, the pressure sensor two 603 is electrically connected with the controller 8 through the wire in the wire groove 306, the outer surface of the anti-backflow valve 5 is fixedly provided with a pressure sensor one 501, the pressure sensor one 501 and the controller 8 are electrically connected, the outer end of the anti-backflow valve 5 is integrally formed with a sealing ring 502, and the outer wall of the sealing ring 502 is tightly attached to the inner wall of the anti-backflow air inlet pipe 3 when the anti-backflow valve 5 is in a vertical state.

[0035] Specifically, the sealing ring 502 can make the anti-backflow valve 5 have a tighter attachment effect when preventing backflow in a normal state, thereby improving the sealing effect and preventing backflow caused by gaps, and the pressure sensor one 501 and the controller 8 are electrically connected to make the two signals of the working and non-working of the anti-backflow valve 5 be effectively transmitted to the inside of the controller 8, so as to facilitate the overall anti-backflow damage detection.

[0036] The working principle of the utility model is: gas enters into the anti-backflow air inlet pipe 3 from the inside of the flow guide platform 301, the air pressure drives the check valve 5 to open, at this time the pressure sensor one 501 receives the air pressure signal, when the check valve 5 opens, the spring 602 is driven to compress, the pressure sensor two 603 also receives the signal, thereby realizing double signal identification, when the outside airflow stops, the check valve 5 resets due to the spring 602, at this time the two sensors lose signals simultaneously, if the airflow stops, the check valve 5 does not reset due to the fault, the spring 602 is still in the contraction state, the pressure sensor two 603 still has the pressure signal, but the surface of the pressure sensor one 501 does not have the air pressure signal, double signals lose one, the controller 8 identifies that the buzzer 10 emits the buzzing through the connecting wire 9, reminding the staff;

[0037] The staff opens the connecting piece two 302 to make the anti-backflow air inlet pipe 3 open after hearing the buzzing, and can carry out corresponding component maintenance and solve the fault of backflow in the anti-backflow air inlet pipe 3.

[0038] The above is only the preferable specific implementation mode of the utility model; but the protection scope of the utility model is not limited to this. Any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the improvement concept of the utility model, carries out equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A backflow-preventing swirl aerator, comprising a swirl outer cylinder (1), characterized in that: A connecting convex tube (2) is fixedly installed on the side of the bottom end of the vortex outer cylinder (1). A backflow prevention air inlet pipe (3) is detachably installed on the outside of the connecting convex tube (2). A connector (4) is fixedly installed at the connection between the connecting convex tube (2) and the backflow prevention air inlet pipe (3). A check valve (5) is movably installed inside the backflow prevention air inlet pipe (3). An L-shaped connecting rod (6) is fixedly installed on the side of the check valve (5). A protective tube (7) is fixedly installed on one side of the L-shaped connecting rod (6). An installation box (303) is fixedly installed at the top of the backflow prevention air inlet pipe (3). A controller (8) is fixedly installed inside the installation box (303). A connecting wire (9) is electrically connected to one end of the controller (8). A buzzer (10) is electrically connected to one end of the connecting wire (9).

2. The anti-backflow swirl aerator according to claim 1, characterized in that: The side of the connecting convex tube (2) is fixedly installed with a positioning post (201) and a sealing gasket (202). The side of the anti-backflow air inlet tube (3) is provided with a sealing groove (304). The size of the sealing groove (304) is adapted to the size of the sealing gasket (202).

3. A backflow-preventing swirl aerator according to claim 1, characterized in that: The anti-backflow intake pipe (3) has an integrally formed guide platform (301) inside. There are two anti-backflow intake pipes (3), and the outer walls of the two anti-backflow intake pipes (3) are fixedly connected with connectors (302).

4. A swirl aerator for preventing backflow according to claim 1, characterized in that: The inner wall of the anti-backflow intake pipe (3) is provided with a pipe groove (305). The shape of the pipe groove (305) is adapted to the shape of the protective pipe (7). The center of the pipe groove (305) is located inside the anti-backflow intake pipe (3) and a wire groove (306) is provided inside the wire groove (306). The top of the wire groove (306) is connected to the controller (8).

5. A swirl aerator for preventing backflow according to claim 1, characterized in that: A rotating rod (601) is fixedly installed at the top of the L-shaped connecting rod (6), a spring (602) is fixedly connected to the side of the L-shaped connecting rod (6), and a pressure sensor (603) is fixedly connected to the top of the spring (602).

6. A swirl aerator for preventing backflow according to claim 5, characterized in that: The left and right ends of the rotating rod (601) are rotatably installed inside the swirling outer cylinder (1). The top end of the pressure sensor (603) is fixedly connected to the inner wall of the anti-backflow air inlet pipe (3). The pressure sensor (603) is electrically connected to the controller (8) through the wires inside the wire groove (306).

7. A swirl aerator for preventing backflow according to claim 1, characterized in that: A pressure sensor (501) is fixedly installed on the outer surface of the check valve (5), and the pressure sensor (501) and the controller (8) are electrically connected to each other.

8. A swirl aerator for preventing backflow according to claim 1, characterized in that: The outer end of the check valve (5) is integrally formed with a sealing ring (502), and the outer wall of the sealing ring (502) is tightly fitted with the inner wall of the anti-backflow inlet pipe (3) when the check valve (5) is in a vertical state.

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