A self-regulating pressure balance structure for submersible seawater motors

Abstract

This utility model relates to the field of submersible marine motor technology, specifically a self-regulating pressure balancing structure for a submersible marine motor. It includes a pressure regulating bladder located inside the motor housing. Several springs are vertically installed inside the pressure regulating bladder. A pressure regulating bladder pressure plate is installed at the bottom of the pressure regulating bladder, and a spring guide rod is installed at the top of the pressure plate. Springs are sleeved on the spring guide rod, and a spring pressure plate is installed at the top of the springs. This self-regulating pressure balancing structure for a submersible marine motor achieves dynamic balance between the internal pressure of the motor and the external water pressure through the ingenious design of the pressure regulating bladder and its internal springs and spring guide rods. When the external water pressure changes, the pressure regulating bladder can adaptively adjust the compression of its internal springs, thereby changing the volume of the pressure regulating bladder and maintaining balance between the internal pressure of the motor and the external water pressure.

Description

Technical Field

[0001] This utility model relates to the field of submersible marine motor technology, specifically to a self-regulating pressure balance structure for a submersible marine motor. Background Technology

[0002] In the field of submersible marine motor technology, when the motor operates underwater, an imbalance often exists between the internal pressure of the motor and the external water pressure due to changes in water depth and fluctuations in external water pressure. This pressure imbalance can not only damage the motor's structure but also affect its normal operation and lifespan.

[0003] Traditional submersible marine motors typically employ fixed sealing structures or external pressure compensation devices to attempt to solve this problem, but these methods often have limited effectiveness and increase the complexity and cost of the motor. Utility Model Content

[0004] The purpose of this invention is to provide a self-regulating pressure balance structure for submersible marine motors, in order to solve the problem mentioned in the background art. Traditional submersible marine motors usually use fixed sealing structures or external pressure compensation devices to try to solve this problem, but these methods often have limited effectiveness and increase the complexity and cost of the motor.

[0005] To achieve the above objectives, this utility model provides a self-regulating pressure balance structure for a submersible marine motor, including a pressure regulating bladder located inside the motor housing. Several springs are vertically installed inside the pressure regulating bladder. A pressure regulating bladder pressure plate is installed at the bottom of the pressure regulating bladder. A spring guide rod is installed at the top of the pressure regulating bladder pressure plate. The spring is sleeved on the spring guide rod, and a spring pressure plate is installed at the top of the spring.

[0006] Preferably, the pressure regulating bladder includes a top plate, the spring pressure plate is attached to the lower surface of the top plate, and telescopic sections are connected to the bottom of both sides of the top plate, the telescopic sections being corrugated structures.

[0007] Preferably, a locking block is installed at the bottom of the telescopic section, and a locking groove is provided at the bottom of the pressure regulating bladder plate, with the locking block engaging with the locking groove.

[0008] Preferably, the bottom end of the spring abuts against the top surface of the pressure regulating bladder plate.

[0009] Preferably, the bottom of the motor housing is provided with a seawater inlet and outlet.

[0010] Preferably, a flow-regulating shroud is installed in the middle of the pressure regulating bladder plate, and the flow-regulating shroud has openings on its front and back sides.

[0011] Preferably, the area between the inner wall of the motor housing and the outer wall of the pressure regulating bladder is a transformer oil zone, and the inner wall of the pressure regulating bladder is a seawater zone.

[0012] Preferably, the pressure regulating plate is fixed to the bottom inner wall of the motor housing by bolts.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] In this submersible marine electric motor's self-regulating pressure balancing structure, a cleverly designed pressure regulating bladder and its internal springs, spring guide rods, and other components achieve dynamic balance between the motor's internal pressure and external water pressure. When the external water pressure changes, the pressure regulating bladder can adaptively adjust the compression of its internal springs, thereby changing the bladder's volume and maintaining balance between the motor's internal pressure and the external water pressure.

[0015] This self-regulating mechanism not only effectively prevents damage to the motor structure and performance caused by pressure imbalance, but also improves the motor's operational stability and lifespan. Furthermore, its simple design and low cost make it easy to promote and apply in submersible marine motors, demonstrating significant technical advantages and economic benefits. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the pressure regulating bladder in this utility model;

[0018] Figure 3 This is a schematic diagram of the pressure regulating bladder plate in this utility model;

[0019] The meanings of the labels in the diagram are as follows:

[0020] 1. Pressure regulating bladder; 11. Top plate; 12. Telescopic section; 13. Locking block; 2. Spring guide rod; 3. Pressure regulating bladder pressure plate; 31. Locking groove; 32. Flow dam; 321. Opening; 4. Spring pressure plate; 5. Spring; 6. Motor housing; 61. Seawater inlet and outlet. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] This utility model provides a self-adjusting pressure balance structure for a submersible marine motor, such as... Figures 1-3As shown, the device includes a pressure regulating bladder 1, located inside the motor housing 6. Several springs 5 ​​are vertically mounted inside the pressure regulating bladder 1. A pressure regulating bladder pressure plate 3 is mounted at the bottom of the pressure regulating bladder 1, and a spring guide rod 2 is mounted at the top of the pressure regulating bladder pressure plate 3. Springs 5 ​​are fitted onto the spring guide rod 2, and a spring pressure plate 4 is mounted at the top of the springs 5. This ingenious design achieves dynamic balance of internal and external pressure within the motor. Specifically, the pressure regulating bladder 1 is cleverly positioned inside the motor housing 6, and the vertically arranged springs 5 ​​inside provide crucial elastic support for pressure regulation. The bottom of the pressure regulating bladder 1 is firmly connected to the pressure regulating bladder pressure plate 3, while the top of the pressure regulating bladder pressure plate 3 is equipped with the spring guide rod 2. The springs 5 ​​are tightly fitted onto the spring guide rod 2, ensuring stable guidance of the springs under pressure. The spring pressure plate 4 is also provided at the top of the springs 5, further enhancing the structural stability and the sensitivity of pressure regulation. When the motor operates underwater, the pressure regulating bladder 1 can sense changes in water depth and fluctuations in external water pressure. It automatically adjusts its volume through the elastic deformation of the internal spring 5, thereby achieving dynamic balance regulation of the motor's internal pressure. This self-regulating mechanism not only effectively protects the motor's structure from damage caused by pressure imbalance but also significantly improves the motor's operational stability and service life, providing strong technical support for the reliable operation of submersible marine motors.

[0023] In this embodiment, the pressure regulating bladder 1 includes a top plate 11, and a spring pressure plate 4 is attached to the lower surface of the top plate 11. This design ensures that the spring 5 effectively supports the pressure regulating bladder 1 and transmits pressure. When the external water pressure changes, the spring pressure plate 4 can move up and down with the top plate 11, thereby adjusting the compression degree of the spring 5 and realizing dynamic adjustment of the internal pressure of the pressure regulating bladder 1. The bottom sides of the top plate 11 are connected to telescopic sections 12, which have a corrugated structure to enhance their pressure resistance and deformation capacity.

[0024] Specifically, a locking block 13 is installed at the bottom of the telescopic section 12, and a locking groove 31 is provided at the bottom of the pressure regulating bladder plate 3. The locking block 13 and the locking groove 31 are engaged in a locking fit. This design not only improves the connection stability between the pressure regulating bladder 1 and the pressure regulating bladder plate 3, but also allows for fine-tuning within a certain range to adapt to different water pressure changes.

[0025] Furthermore, the bottom end of spring 5 abuts against the top surface of the pressure regulating plate 3. This design ensures that spring 5 can stably transmit pressure when compressed, while preventing lateral displacement of the spring during compression, thus improving the stability and reliability of the entire pressure balance structure.

[0026] Furthermore, the bottom of the motor housing 6 is provided with a seawater inlet / outlet 61. The seawater inlet / outlet 61 allows seawater to freely enter and exit the motor, exchanging with the seawater zone inside the pressure regulating chamber 1, thereby achieving the circulation and pressure balance of seawater inside and outside the motor. This design helps reduce the impact and damage to the motor caused by changes in seawater pressure.

[0027] Furthermore, a flow-damping shroud 32 is installed in the middle of the pressure regulating bladder plate 3, with openings 321 on the front and back of the shroud 32. This helps guide seawater to flow orderly inside the motor, reducing the direct impact of water flow on the pressure regulating bladder 1 and other components of the motor, and improving the motor's operational stability and lifespan.

[0028] Furthermore, the area between the inner wall of the motor housing 6 and the outer wall of the voltage regulating bladder 1 is the transformer oil zone, while the inner wall of the voltage regulating bladder 1 is the seawater zone. This design not only improves the insulation performance and safety of the motor, but also effectively prevents seawater from corroding and damaging the internal components of the motor.

[0029] Furthermore, the pressure regulating bladder plate 3 is fixed to the bottom inner wall of the motor housing 6 by bolts. This design ensures the stability and firmness of the pressure regulating bladder plate 3, preventing it from loosening or falling off during water pressure changes or motor operation, and improving the reliability and safety of the entire pressure balancing structure.

[0030] When the self-regulating pressure balancing structure of the submersible seawater motor of this utility model is in use, firstly, when the motor is working underwater, the pressure regulating bladder 1 can sense these pressure changes as the water depth changes and the external water pressure fluctuates. Specifically, the increase or decrease of the external water pressure will act on the top plate of the pressure regulating bladder 1, causing the top plate 11 and the spring pressure plate 4 attached to its lower surface to move up and down.

[0031] This movement adjusts the compression of spring 5, which is fitted onto spring guide rod 2, ensuring stable guidance under pressure. The elastic deformation of spring 5 allows the volume of pressure regulating bladder 1 to automatically adjust, thereby achieving dynamic balance regulation of the internal pressure of the motor. When the external water pressure increases, spring 5 is further compressed, the volume of pressure regulating bladder 1 decreases, and the internal pressure increases to offset the increase in external water pressure; conversely, when the external water pressure decreases, spring 5 returns to its original shape, the volume of pressure regulating bladder 1 increases, and the internal pressure decreases to maintain balance with the external water pressure.

[0032] Meanwhile, the corrugated structure of the telescopic sections 12 connected to the bottom of both sides of the top plate 11 of the pressure regulating bladder 1 enhances its pressure resistance and deformation capacity, making the pressure regulating bladder 1 more flexible and stable in response to water pressure changes. The locking block 13 at the bottom of the telescopic section 12 engages with the locking groove 31 of the pressure regulating bladder pressure plate 3, which not only improves the connection stability but also allows for fine-tuning within a certain range to adapt to different water pressure changes.

[0033] Furthermore, the seawater inlet / outlet 61 located at the bottom of the motor housing 6 allows seawater to freely enter and exit the motor, exchanging with the seawater zone inside the pressure regulating bladder 1, thereby achieving the circulation and pressure balance of seawater inside and outside the motor. The flow-damping shroud 32 installed in the middle of the pressure regulating bladder plate 3 and its opening design help guide the orderly flow of seawater inside the motor, reducing the direct impact of water flow on the pressure regulating bladder 1 and other components of the motor.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A self-regulating pressure balancing structure for a submersible marine motor, comprising a pressure regulating bladder (1), characterized in that: The pressure regulating bladder (1) is located inside the motor housing (6). Several springs (5) are vertically installed inside the pressure regulating bladder (1). A pressure regulating bladder pressure plate (3) is installed at the bottom of the pressure regulating bladder (1). A spring guide rod (2) is installed at the top of the pressure regulating bladder pressure plate (3). The spring (5) is sleeved on the spring guide rod (2). A spring pressure plate (4) is installed at the top of the spring (5). The pressure regulating bladder (1) includes a top plate (11), the spring pressure plate (4) is attached to the lower surface of the top plate (11), and telescopic sections (12) are connected to the bottom of both sides of the top plate (11). The telescopic sections (12) are corrugated structures. The bottom end of the telescopic section (12) is equipped with a locking block (13), and the bottom of the pressure regulating bladder plate (3) is provided with a locking groove (31). The locking block (13) and the locking groove (31) are engaged in a locking fit. The bottom end of the spring (5) abuts against the top surface of the pressure regulating bladder plate (3); A flow shroud (32) is installed in the middle of the pressure regulating bladder plate (3), and the flow shroud (32) has openings (321) on the front and back. The area between the inner wall of the motor housing (6) and the outer wall of the pressure regulating bladder (1) is a transformer oil zone, and the inner wall of the pressure regulating bladder (1) is a seawater zone.

2. The self-regulating pressure balance structure for submersible marine motors according to claim 1, characterized in that: The bottom of the motor housing (6) is provided with a seawater inlet and outlet (61).

3. The self-regulating pressure balance structure for submersible marine motors according to claim 1, characterized in that: The pressure regulating plate (3) is fixed to the bottom inner wall of the motor housing (6) by bolts.

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