Comprehensive protector for in-pipe pump

By designing a comprehensive protector on the pipe pump, using the combination of the electromagnetic exhaust valve, the exhaust pipe and the liquid level electrode, the dry burning problem caused by the gas in the pipe is solved, and the timely discharge of gas and the safety of equipment is achieved. Operation enhances the applicability and monitoring functions of the equipment.

CN222228982UActive Publication Date: 2024-12-24HAIYAN PUMP IND CO LTD
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Patent Information

Application Number
CN202421132044.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2024-12-24
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

The presence of gas in the pump in the pipe causes dry burning and temperature increase, which may cause damage to the motor, and it is difficult for the prior art to effectively and promptly discharge the gas.

Method used

Design a comprehensive protector for pumps in pipes, including a protector seat and a protector cover, equipped with an electromagnetic exhaust valve and an exhaust pipe, and use a liquid level electrode to detect whether the liquid exists or not. The electromagnetic exhaust valve opens the discharge when there is no liquid. Gas ensures gas discharge and is sealed and connected by insulated wires to ensure sealing and convenient installation.

Benefits of technology

Effectively and promptly discharge the gas in the pump in the pipe to prevent dry burning and temperature increase, ensure the safety of the motor, suitable for horizontal and vertical installations, and add temperature and noise sensors to monitor the operating status.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222228982U_ABST
Patent Text Reader

Abstract

The utility model discloses a comprehensive protector for an in-pipe pump, which comprises a protector seat fixedly mounted on the outer side wall of the tail end part of the in-pipe pump in a sealing manner; the protector cover is detachably mounted on the protector seat and is matched with the protector seat to form a terminal strip sealing cavity and an electromagnetic valve accommodating cavity which are not communicated with each other; the exhaust pipe is fixedly installed in the in-pipe pump and attached to the side wall of the in-pipe pump in parallel, the exhaust end of the exhaust pipe transversely extends to the tail end of the in-pipe pump, and the air outlet end of the exhaust pipe is connected with an electromagnetic exhaust valve in the electromagnetic valve containing cavity; the terminal strip is used for electrically connecting each electric control part and is arranged in the terminal strip sealing cavity; and the group of connected insulated wire seals are respectively arranged in the terminal strip sealing cavity and the electromagnetic valve accommodating cavity and are used for connecting the electromagnetic exhaust valve and the terminal strip. The device can be directly and additionally arranged on the existing in-pipe pump, gas in the in-pipe pump can be effectively and timely discharged, and the phenomenon that a motor is burnt out due to dry burning and temperature rise caused by the existence of more gas in the in-pipe pump is avoided.
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Description

Technical Field

[0001] The utility model relates to a pump in a tube, in particular to a comprehensive protector for the pump in a tube. Background Art

[0002] A pump in a tube, also known as a planetary pump or a polygonal pump, is a centrifugal pump used to transport liquids. It is composed of multiple gears, forming a planetary gear structure, hence the name. The pump in a tube has the characteristics of small size, simple structure, and stable operation, and is widely used in fluid transportation in various industries.

[0003] The pump in the tube mainly uses the working principle of planetary gears to achieve the suction and discharge of liquid. It consists of a fixed outer gear and several inner gears rotating around the outer gear. The rotation of the inner gear changes the volume of the pump chamber to achieve liquid transportation.

[0004] The pump in the tube must be filled with liquid during safe and normal operation. If there is too much gas in the pump in the tube, it is easy to burn the motor due to dry burning and temperature rise. Therefore, on the basis of ensuring the safe and normal operation of the pump in the tube, the purpose of this utility model is to design a comprehensive protector for the pump in the tube that can effectively and timely discharge the gas in the pump in the tube to avoid dry burning and temperature rise due to the presence of too much gas in the pump in the tube, which may cause the motor to burn. Utility Model Content

[0005] In view of the technical problems existing in the above-mentioned prior art, the utility model provides a comprehensive protector for a pump-in-pipe, which can effectively solve the technical problems existing in the above-mentioned prior art.

[0006] The technical solution of the utility model is:

[0007] A comprehensive protector for a pump in a pipe, comprising:

[0008] A protector seat, the protector seat is sealingly fixedly mounted on the outer side wall of the terminal end of the pump in the pipe;

[0009] A protector cover is detachably mounted on the outer side of the protector seat not connected to the pump-in-pipe, and cooperates with the protector seat to form a terminal row sealing cavity and a solenoid valve accommodating cavity that are not connected;

[0010] An exhaust pipe, the exhaust pipe is fixedly installed in the tube pump and is arranged parallel to the side wall of the tube pump, the exhaust end of the exhaust pipe extends horizontally to the terminal end of the tube pump, and the air outlet end thereof extends outward and is connected to the electromagnetic exhaust valve installed in the electromagnetic valve accommodating chamber;

[0011] The terminal block is used for electrically connecting various electronic control components and is installed in the sealed cavity of the terminal block;

[0012] A group of connected insulated wire seals are respectively installed in the terminal block sealing cavity and the electromagnetic valve accommodating cavity, and are used to connect the electromagnetic exhaust valve and the terminal block.

[0013] A corresponding accommodating and mounting cavity connected to the pump-in-tube is formed between the protector seat and the pump-in-tube, and the accommodating and mounting cavity is placed outside the side wall of the pump-in-tube; an insulated wire connecting two of the insulated wire seals is arranged in the accommodating and mounting cavity.

[0014] A corresponding liquid level electrode is transversely fixedly installed in the accommodating installation cavity, and the electrode probe end of the liquid level electrode is arranged on the same side as the exhaust end of the exhaust pipe, and the liquid level electrode is electrically connected to the electromagnetic exhaust valve.

[0015] The protector cover is fixed on the protector seat by means of corresponding bolts, and a rubber sealing ring for sealing connection is arranged between the protector cover and the protector seat at the position of the terminal row sealing cavity.

[0016] A noise sensor for detecting noise in the tube pump and a temperature sensor for detecting temperature are also respectively arranged in the sealed cavity of the terminal block. The noise sensor and the temperature sensor are both arranged on the bottom plate where the protector seat is connected to the tube pump, and the noise sensor and the temperature sensor are respectively electrically connected to the terminal block.

[0017] A pump-in-tube motor power cable seal is arranged in the terminal row sealing cavity, and the pump-in-tube motor power cable seal is used for electrically connecting the pump-in-tube motor power and the terminal row.

[0018] The protector seat is located on the side wall of the terminal block sealing cavity and is sealed and fixedly installed with a signal output sealing joint and a power input sealing joint. The signal output sealing joint and the power input sealing joint are electrically connected to the terminal block respectively, and the wiring ends of the signal output sealing joint and the power input sealing joint are both arranged outwardly on the outside of the protector seat.

[0019] The side wall of the pump-in-tube is provided with a mounting hole communicating with the interior thereof, and the protector seat is seal-welded at the mounting hole.

[0020] Advantages of the utility model:

[0021] 1) The utility model can be directly added to the existing pipe pump, and can effectively and timely discharge the gas in the pipe pump, so as to avoid dry burning and temperature rise due to the presence of too much gas in the pipe pump, which may cause the motor to burn out.

[0022] In order to ensure the safe and normal operation of the pump in the tube, the pump in the tube must be filled with liquid. However, if there is too much gas, the motor may be easily burned due to the increase in dry burning temperature. The utility model exhausts gas through the cooperation of the electromagnetic exhaust valve and the exhaust pipe, and the gas can be discharged in time from the connecting gap between the protector seat and the protector cover where the electromagnetic valve accommodating cavity is located.

[0023] 2) The utility model adds a protector to the terminal end of the tube pump, the protector is composed of a protector seat and a protector cover welded to the side wall of the tube pump, the protector seat and the protector cover are locked and connected by bolts and rubber sealing rings to form a non-connected terminal block sealing chamber and a solenoid valve accommodating chamber, the terminal block sealing chamber is used to install and protect the terminal block and other components to prevent liquid from entering the interior and losing its effectiveness, the solenoid valve accommodating chamber is used to install a solenoid exhaust valve connected to an exhaust pipe, when there is gas in the sound insulation sleeve of the tube pump, the solenoid exhaust valve and the exhaust pipe cooperate with each other to timely and effectively discharge the gas retained in the tube pump, and the solenoid valve accommodating chamber is non-sealed, the discharged gas can be discharged outward through the connection gap between the protector seat and the protector cover, and the normal starting conditions of the tube pump are restored.

[0024] 3) The exhaust pipe of the utility model is fixedly installed in the tube pump and is arranged parallel to the side wall of the tube pump, and the air inlet end of the exhaust pipe extends horizontally to the terminal end of the tube pump; furthermore, the corresponding liquid level electrode is fixedly installed horizontally in the accommodating installation cavity, and the electrode probe end of the liquid level electrode is arranged on the same side as the exhaust end of the exhaust pipe; when the tube pump is installed horizontally, the exhaust pipe is placed at the top of the tube pump, and the liquid level electrode is placed on the upper side of the exhaust pipe; when the liquid level electrode detects that there is no liquid, the electromagnetic exhaust valve is normally open; when the liquid level electrode detects that there is liquid, that is, the tube pump is full of liquid. liquid, the electromagnetic exhaust valve is closed; because the air inlet end of the exhaust pipe and the electrode probe of the liquid level electrode are located at the end of the tube pump, when the tube pump is installed vertically, the air inlet end of the exhaust pipe and the liquid level electrode are at the top. When the liquid level electrode detects no liquid, the electromagnetic exhaust valve is normally open; when the liquid level electrode detects liquid, the tube pump is full of liquid, and the electromagnetic exhaust valve is closed; the settings of the exhaust pipe and the liquid level electrode make the tube pump suitable for horizontal and vertical placement and exhaust, ensuring the effective discharge of the gas in the tube pump to avoid dry burning due to the presence of too much gas and causing the motor to burn.

[0025] 4) The utility model is provided with a set of insulated wire seals connected to each other and used to connect the electromagnetic exhaust valve and the terminal block. The two insulated wire seals are respectively installed in the terminal block sealing cavity and the electromagnetic valve accommodating cavity, and the insulated wire connecting the two insulated wire seals is arranged in the accommodating installation cavity formed by the protector and the pump in the tube. The insulated wire seals can be connected to the connecting wire without penetrating the protector cover under the premise of ensuring the installation sealing. Not penetrating the protector cover not only facilitates the installation of the protector cover, avoids the protector cover from being entangled and disturbed by the wires, and facilitates wiring. More importantly, it can effectively ensure the sealing performance in the terminal block sealing cavity, ensure the insulation of the equipment, protect the electrical components, and improve the practical performance of the utility model.

[0026] 5) The utility model adds a temperature detection sensor to prevent the electric pump from failing due to excessively high operating temperature; a noise sensor is configured to detect the operating noise of the pump in the pipe in real time to ensure that the equipment operation meets the requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the utility model.

[0028] Figure 2 This is a schematic diagram of the structure of the utility model after the protector cover is removed.

[0029] Figure 3 It is a schematic diagram of the vertical installation of the utility model.

[0030] In the accompanying drawings: protector seat 1, pump in tube 2, accommodating installation cavity 201, protector cover 3, terminal block sealing cavity 301, solenoid valve accommodating cavity 302, exhaust pipe 4, solenoid exhaust valve 5, terminal block 6, insulated wire seal 7, liquid level electrode 8, rubber sealing ring 9, noise sensor 10, temperature sensor 11, pump in tube motor power cable seal 12, signal output sealing joint 13, power input sealing joint 14. DETAILED DESCRIPTION

[0031] In order to facilitate understanding by those skilled in the art, the structure of the present invention is further described in detail with reference to the accompanying drawings:

[0032] refer to Figure 1-3 , a comprehensive protector for a pump in a pipe, comprising:

[0033] A protector seat 1, the protector seat 1 is sealed and fixedly mounted on the outer side wall of the end portion of the in-pipe pump 2;

[0034] The protector cover 3 is detachably mounted on the outer side of the protector base 1 not connected to the pump-in-pipe 2, and cooperates with the protector base 1 to form a terminal row sealing cavity 301 and a solenoid valve accommodating cavity 302 that are not connected;

[0035] An exhaust pipe 4, wherein the exhaust pipe 4 is fixedly installed in the tube pump 2 and is arranged parallel to the side wall of the tube pump 2, the exhaust end of the exhaust pipe 4 extends horizontally to the end of the tube pump 2, and the air outlet end thereof extends outward and is connected to the electromagnetic exhaust valve 5 installed in the electromagnetic valve accommodating chamber 302;

[0036] Terminal block 6, used for electrically connecting various electronic control components, installed in the terminal block sealed cavity 301;

[0037] A group of connected insulated wire seals 7 are respectively installed in the terminal block sealing cavity 301 and the electromagnetic valve accommodating cavity 302, and are used to connect the electromagnetic exhaust valve 5 and the terminal block 6.

[0038] The utility model can be directly added to the existing pipe pump 2, and can effectively and timely discharge the gas in the pipe pump 2, so as to avoid dry burning and temperature rise due to the presence of too much gas in the pipe pump 2, thereby preventing the motor from burning.

[0039] In order to ensure the safe and normal operation of the pump in the tube 2, the pump in the tube 2 must be filled with liquid. However, if there is too much gas, the motor may be easily burned due to the increase in dry burning temperature. The utility model exhausts gas through the cooperation of the electromagnetic exhaust valve 5 and the exhaust pipe 4, and the gas can be discharged in time from the connection gap between the protector seat 1 and the protector cover 3 where the electromagnetic valve accommodating cavity 302 is located.

[0040] A corresponding accommodating and mounting cavity 201 connected to the in-tube pump 2 is formed between the protector seat 1 and the in-tube pump 2, and the accommodating and mounting cavity 201 is placed on the outside of the side wall of the in-tube pump 2; the insulated wire connecting the two insulated wire seals 7 is arranged in the accommodating and mounting cavity 201.

[0041] The utility model is provided with a group of insulated wire seals 7 connected and used to connect the electromagnetic exhaust valve 5 and the terminal block 6. The two insulated wire seals 7 are respectively installed in the terminal block 6 sealing cavity 301 and the electromagnetic valve accommodating cavity 302, and the insulated wire connecting the two insulated wire seals 7 is arranged in the accommodating installation cavity 201 formed by the protector and the pump in the tube 2. The insulated wire seals 7 are installed under the premise of ensuring the sealing performance. The connection wire can be connected without penetrating the protector cover 3. Not penetrating the protector cover 3 not only facilitates the installation of the protector cover 3, avoids the protector cover 3 from being disturbed by the winding of the wire, and facilitates wiring. More importantly, it can effectively ensure the sealing performance in the terminal block 6 sealing cavity 301, ensure the insulation of the equipment, and protect the electrical connection parts, thereby improving the practical performance of the utility model.

[0042] A corresponding liquid level electrode 8 is transversely fixedly installed in the accommodating installation cavity 201 , and the electrode probe end of the liquid level electrode 8 is arranged on the same side as the exhaust end of the exhaust pipe 4 , and the liquid level electrode 8 is electrically connected to the electromagnetic exhaust valve 5 .

[0043] The exhaust pipe 4 of the utility model is fixedly installed in the tube pump 2 and is arranged parallel to the side wall of the tube pump 2, and the air inlet end of the exhaust pipe 4 extends horizontally to the terminal end of the tube pump 2; furthermore, the corresponding liquid level electrode 8 is fixedly installed horizontally in the accommodating installation cavity 201, and the electrode probe end of the liquid level electrode 8 is arranged on the same side as the exhaust end of the exhaust pipe 4; when the tube pump 2 is installed horizontally, the exhaust pipe 4 is placed at the top of the tube pump 2, and the liquid level electrode 8 is placed on the upper side of the exhaust pipe 4; when the liquid level electrode 8 detects that there is no liquid, the electromagnetic exhaust valve 5 is normally open; when the liquid level electrode 8 detects that there is liquid, that is, the tube pump 2 is filled with liquid. When the tube pump 2 is full of liquid, the electromagnetic exhaust valve 5 is closed; because the air inlet end of the exhaust pipe 4 and the electrode probe of the liquid level electrode 8 are located at the end of the tube pump 2, when the tube pump 2 is installed vertically, the air inlet end of the exhaust pipe 4 and the liquid level electrode 8 are at the top, and when the liquid level electrode 8 detects that there is no liquid, the electromagnetic exhaust valve 5 is normally open; when the liquid level electrode 8 detects that there is liquid, that is, the tube pump 2 is full of liquid, the electromagnetic exhaust valve 5 is closed; the arrangement of the exhaust pipe 4 and the liquid level electrode 8 makes the tube pump 2 suitable for horizontal and vertical placement and exhaust, ensuring the effective exhaust of the gas in the tube pump 2, and avoiding dry burning due to the presence of too much gas and causing the motor to burn out.

[0044] The protector cover 3 is fixed on the protector base 1 by corresponding bolts, and a rubber sealing ring 9 for sealing connection is provided between the protector cover 3 and the protector base 1 at the position of the terminal block sealing cavity 301 .

[0045] The utility model adds a protector at the terminal end of the tube pump 2, and the protector is composed of a protector seat 1 and a protector cover 3 welded to the side wall of the tube pump 2. The protector seat 1 and the protector cover 3 are locked and connected by bolts and rubber sealing rings 9 to form a terminal row 6 sealing cavity 301 and a solenoid valve accommodating cavity 302 that are not connected. The terminal row 6 sealing cavity 301 is used to install and protect the terminal row 6 and other components to prevent liquid from entering the interior and losing its effectiveness. The solenoid valve accommodating cavity 302 is used to install an electromagnetic exhaust valve 5 connected to an exhaust pipe 4. When there is gas in the sound insulation sleeve of the tube pump 2, the electromagnetic exhaust valve 5 and the exhaust pipe 4 cooperate with each other to timely and effectively discharge the gas retained in the tube pump 2, and the electromagnetic valve accommodating cavity 302 is non-sealed, and the discharged gas can be discharged outward through the connection gap between the protector seat 1 and the protector cover 3, so as to restore the normal starting condition of the tube pump 2.

[0046] A noise sensor 10 for detecting noise in the tube pump 2 and a temperature sensor 11 for detecting temperature are also respectively arranged in the terminal block sealing cavity 301. The noise sensor 10 and the temperature sensor 11 are both arranged on the bottom plate where the protector seat 1 is connected to the tube pump 2. The noise sensor 10 and the temperature sensor 11 are respectively electrically connected to the terminal block 6.

[0047] The utility model adds a temperature sensor 11 to prevent the electric pump from failing due to over-high operating temperature; and configures a noise sensor 10 to detect the operating noise of the pump 2 in the pipe in real time to ensure that the equipment operation meets the requirements.

[0048] The terminal block sealing cavity 301 is provided with a tube pump motor power cable seal 12 , and the tube pump motor power cable seal 12 is used to electrically connect the tube pump motor power and the terminal block 6 .

[0049] The protector seat 1 is located on the side wall of the terminal block sealing cavity 301 and is sealed and fixedly installed with a signal output sealing joint 13 and a power input sealing joint 14. The signal output sealing joint 13 and the power input sealing joint 14 are electrically connected to the terminal block 6 respectively, and the wiring ends of the signal output sealing joint 13 and the power input sealing joint 14 are both arranged outwardly on the outside of the protector seat 1.

[0050] The side wall of the pump-in-tube 2 is provided with a mounting hole communicating with the interior thereof, and the protector seat 1 is seal-welded at the mounting hole.

[0051] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A comprehensive protector for a pump in a pipe, characterized in that: include: A protector seat (1), the protector seat (1) being sealed and fixedly mounted on the outer side wall of the end portion of the in-pipe pump (2); A protector cover (3) is detachably mounted on the outer side of the protector seat (1) not connected to the in-pipe pump (2), and cooperates with the protector seat (1) to form a non-connected terminal row sealing cavity (301) and a solenoid valve accommodating cavity (302); An exhaust pipe (4), the exhaust pipe (4) being fixedly mounted in the tube-in-pump (2) and being arranged parallel to and in close contact with the side wall of the tube-in-pump (2), the exhaust end of the exhaust pipe (4) extending transversely to the end of the tube-in-pump (2), and the air outlet end thereof extending outwardly and being connected to the electromagnetic exhaust valve (5) mounted in the electromagnetic valve accommodating chamber (302); A terminal block (6), used for electrically connecting various electronically controlled components, and installed in the terminal block sealed cavity (301); A group of connected insulated wire seals (7) are respectively installed in the terminal block sealing cavity (301) and the electromagnetic valve accommodating cavity (302) and are used to connect the electromagnetic exhaust valve (5) and the terminal block (6).

2. A comprehensive protector for a pump in a pipe according to claim 1, characterized in that: A corresponding accommodating and installing cavity (201) in communication with the in-tube pump (2) is formed between the protector seat (1) and the in-tube pump (2), and the accommodating and installing cavity (201) is placed outside the side wall of the in-tube pump (2); an insulated wire connecting the two insulated wire seals (7) is arranged in the accommodating and installing cavity (201).

3. A comprehensive protector for a pump in a pipe according to claim 2, characterized in that: A corresponding liquid level electrode (8) is transversely fixedly installed in the accommodating installation cavity (201), and the electrode probe end of the liquid level electrode (8) is arranged on the same side as the exhaust end of the exhaust pipe (4), and the liquid level electrode (8) is electrically connected to the electromagnetic exhaust valve (5).

4. A comprehensive protector for a pump in a pipe according to claim 1, characterized in that: The protector cover (3) is fixed to the protector seat (1) by means of corresponding bolts, and a rubber sealing ring (9) for sealing connection is provided between the protector cover (3) and the protector seat (1) at a position located in the terminal block sealing cavity (301).

5. The integrated protector for a pump in a pipe according to claim 1, characterized in that: A noise sensor (10) for detecting noise in the tube pump (2) and a temperature sensor (11) for detecting temperature are also provided in the terminal block sealed cavity (301), and the noise sensor (10) and the temperature sensor (11) are both provided on a bottom plate connecting the protector seat (1) and the tube pump (2), and the noise sensor (10) and the temperature sensor (11) are electrically connected to the terminal block (6), respectively.

6. The integrated protector for a pump in a pipe according to claim 1, characterized in that: A pump-in-tube motor power cable seal (12) is arranged in the terminal block sealing cavity (301), and the pump-in-tube motor power cable seal (12) is used to electrically connect the pump-in-tube motor power and the terminal block (6).

7. The integrated protector for a pump in a pipe according to claim 1, characterized in that: The protector seat (1) is located on the side wall of the terminal block sealed cavity (301), and is sealed and fixedly mounted with a signal output sealed joint (13) and a power input sealed joint (14); the signal output sealed joint (13) and the power input sealed joint (14) are respectively electrically connected to the terminal block (6), and the wiring ends of the signal output sealed joint (13) and the power input sealed joint (14) are both arranged outwardly on the outside of the protector seat (1).

8. The integrated protector for a pump in a pipe according to claim 1, characterized in that: The side wall of the pump-in-tube (2) is provided with a mounting hole communicating with the interior thereof, and the protector seat (1) is seal-welded at the mounting hole.