A steady-state valve core structure suitable for highly corrosive environments

Abstract

This utility model discloses a steady-state valve core structure suitable for highly corrosive environments, including a wind-bag pump body and multiple delivery pipes, which are connected to the wind-bag pump body. A connecting channel is provided between the delivery pipes and the wind-bag pump body, and a valve is provided at one end of the connecting channel. A one-way elastic valve core assembly for closing the valve is provided in the connecting channel. The one-way elastic valve core assembly is made of corrosion-resistant material, which solves the problems of response delay, high-frequency sealing failure and insufficient corrosion resistance caused by the reliance on pressure difference in traditional valve cores, and achieves rapid, stable and low-leakage control of fluids.

Description

Technical Field

[0001] This utility model relates to the field of valve core technology for pump equipment, and in particular to a steady-state valve core structure suitable for highly corrosive environments. Background Technology

[0002] In the operation of pump-type equipment, fluid transport typically consists of two alternating cycles: the first cycle draws in fluid using pump suction, and the second cycle forces fluid out using pump pressure. The transition between these two cycles relies on the valve core structure to precisely control the opening and closing of the fluid passage.

[0003] Currently, the passive opening and closing valve core structure is commonly used in airbag pumps. Its working principle relies entirely on the fluid pressure difference to drive the valve core action, which has the following insurmountable defects: Significant response delay: Since it is necessary to wait for the fluid pressure difference to reach a certain threshold before opening and closing can be achieved, it cannot meet the requirements of high-precision and high-frequency fluid control; Poor adaptability to high-frequency operation: When the equipment is running at high frequency, the valve core often fails to respond in time due to inertia and the speed limit of pressure difference establishment, resulting in the inability to seal the inlet and outlet in time, affecting the conveying efficiency; High leakage risk: The contact part between the valve core and the sealing surface is easily stuck by particles in the fluid, with a measured leakage rate exceeding 3%, which not only causes material loss, but may also cause safety hazards due to the leakage of corrosive fluids.

[0004] Therefore, the existing technology of valve cores for pump equipment needs further improvement. Utility Model Content

[0005] The purpose of this invention is to provide a steady-state valve core structure suitable for highly corrosive environments, solving problems such as response delay, high-frequency sealing failure, and insufficient corrosion resistance caused by the reliance on pressure difference in traditional valve cores, and achieving rapid, stable, and low-leakage control of fluids.

[0006] To achieve the above objectives, the present invention adopts the following solution:

[0007] A steady-state valve core structure suitable for highly corrosive environments includes a wind bag pump body and multiple delivery pipes, wherein the multiple delivery pipes and the wind bag pump body are connected in series.

[0008] A connecting channel is provided between the delivery pipeline and the airbag pump body. A valve is provided at one end of the connecting channel, and a one-way elastic valve core assembly for closing the valve is provided in the connecting channel.

[0009] The one-way resilient valve core assembly is made of corrosion-resistant material.

[0010] Furthermore, the valve is located at one end of the connection channel.

[0011] Furthermore, the one-way elastic valve core assembly includes a spring support seat disposed at the other end of the connection channel, a movable valve core within the connection channel, and a spring structure disposed between the spring support seat and the movable valve core for keeping the movable valve core pressed toward the valve direction.

[0012] Furthermore, the corrosion-resistant material is PTFE.

[0013] Furthermore, the valve orifice is set in a 45° conical shape; the movable valve core is set in a 45° conical shape.

[0014] Furthermore, the delivery pipeline includes a liquid input channel and a liquid output channel, and at least one of the two channels is connected to the airbag pump body.

[0015] Furthermore, the one-way elastic valve core assembly disposed on the liquid input channel is oriented towards the liquid input channel, while the one-way elastic valve core assembly disposed on the liquid output channel is oriented in the opposite direction to the liquid output channel.

[0016] In summary, the advantages of this utility model over the prior art are:

[0017] This invention addresses the shortcomings of existing fluid control components in pump equipment. Through its structural design, it offers the following advantages: the one-way elastic valve core assembly eliminates dependence on fluid pressure differences, enabling rapid response to cycle switching via its own elastic properties, significantly reducing opening and closing delays and meeting high-frequency operation requirements; the targeted design of the valve and the one-way elastic valve core assembly reduces the risk of particulate matter jamming, effectively lowering the leakage rate; the application of corrosion-resistant materials ensures the valve core assembly is not corroded in harsh environments such as strong acids and alkalis, significantly extending the equipment's service life and maintenance cycle; and the overall structure can be easily adapted to existing airbag pump bodies and delivery pipelines without requiring large-scale modifications to the pump body, reducing application costs. Attached Figure Description

[0018] Figure 1 This is the front view of the present invention;

[0019] Figure 2 This utility model Figure 1 Sectional view along line AA;

[0020] Figure 3 This is a schematic diagram of the internal structure of the present invention;

[0021] Figure 4 This is a front view of the valve core of this utility model;

[0022] Figure 5 This is a perspective view of the valve core of this utility model. Detailed Implementation

[0023] 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.

[0024] Please see Figures 1-5 This utility model provides a stable valve core structure suitable for highly corrosive environments, including a wind bag pump body 1 and multiple delivery pipes 2, wherein the multiple delivery pipes 2 and the wind bag pump body 1 are connected in a manner.

[0025] A connecting channel 3 is provided between the delivery pipe 2 and the airbag pump body 1. A valve 4 is provided at one end of the connecting channel 3. A one-way elastic valve core assembly 5 for closing the valve 4 is provided inside the connecting channel 3.

[0026] The one-way elastic valve core assembly 5 is made of corrosion-resistant material; the airbag pump body 1 realizes fluid transportation through multiple delivery pipes 2, and the connecting channel 3 between the delivery pipes 2 and the airbag pump body 1 provides a path for fluid flow; the valve 4 at one end of the connecting channel 3 serves as a sealing reference, and the one-way elastic valve core assembly 5 in the connecting channel 3 can cooperate with the valve 4 to realize channel closure and only allow fluid to flow in one direction; the corrosion-resistant material properties of the one-way elastic valve core assembly 5 ensure its stable operation in a highly corrosive environment, and the overall structure completes fluid switching control through the cooperation of the valve core assembly and the valve.

[0027] The valve 4 of this utility model is disposed at one end of the connecting channel 3; the valve 4 is fixed at one end of the connecting channel 3, providing a clear sealing and fitting position for the one-way elastic valve core assembly 5, so that the valve core assembly can accurately align with the valve to achieve closure, ensuring the stability and reliability of the seal.

[0028] The one-way elastic valve core assembly 5 of this utility model includes a spring support seat 501 disposed at the other end of the connecting channel 3, a movable valve core 502 within the connecting channel 3, and a spring structure 503 disposed between the spring support seat 501 and the movable valve core 502 to keep the movable valve core 502 pressed towards the valve 4; the spring support seat 501 at the other end of the connecting channel 3 provides support for the spring structure 503, and the elastic force generated by the spring structure 503 continuously presses the movable valve core 502 towards the valve 4, so that the movable valve core 502 can actively fit against the valve 4 to achieve closure, without relying on fluid pressure difference, improving response speed, and opening or closing the movable valve core 502 by pulling the air bag to form pressure.

[0029] The corrosion-resistant material of this utility model is PTFE material; the one-way elastic valve core assembly 5 is made of PTFE material. By utilizing the excellent resistance of PTFE to strong acids and alkalis, the valve core assembly is ensured not to be corroded in a highly corrosive environment, thus maintaining the stability of its structure and function.

[0030] The valve 4 of this invention has a 45° conical orifice; the movable valve core 502 has a 45° conical orifice; the 45° conical orifice of the valve 4 and the 45° conical structure of the movable valve core 502 form a conical surface fit, which increases the sealing contact area and improves the sealing effect; at the same time, when the fluid flows through, it will impact the conical surface, reduce the adhesion of particles, and reduce the risk of jamming.

[0031] The conveying pipe 2 of this utility model includes a liquid input channel 201 and a liquid output channel 202, and at least one of the two channels is connected to the airbag pump body 1; the liquid input channel 201 of the conveying pipe 2 is responsible for drawing in fluid, and the liquid output channel 202 is responsible for discharging fluid, and at least one of them is connected to the airbag pump body 1, respectively cooperating with the suction and pressure cycles of the airbag pump to achieve directional delivery of fluid.

[0032] In this invention, the one-way elastic valve core assembly 5 disposed on the liquid input channel 201 is oriented towards the liquid input channel 201, and the one-way elastic valve core assembly 5 disposed on the liquid output channel 202 is oriented in the opposite direction to the liquid output channel 202. The one-way elastic valve core assembly 5 on the liquid input channel 201 is oriented in the input direction, allowing fluid to enter the airbag pump body 1 from the input channel only; the one-way elastic valve core assembly 5 on the liquid output channel 202 is oriented in the opposite direction to the output, allowing fluid to flow from the airbag pump body 1 to the output channel only, thus ensuring stable one-way fluid delivery and preventing backflow.

[0033] The foregoing has shown and described the basic principles and main features of this utility model, as well as its advantages. 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 illustrative of the principles of this 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 steady-state valve core structure suitable for highly corrosive environments, comprising a wind-bag pump body (1) and multiple delivery pipes (2), wherein the multiple delivery pipes (2) and the wind-bag pump body (1) are connected in series; characterized in that: A connecting channel (3) is provided between the delivery pipe (2) and the airbag pump body (1). A valve (4) is provided at one end of the connecting channel (3). A one-way elastic valve core assembly (5) for closing the valve (4) is provided in the connecting channel (3). The one-way elastic valve core assembly (5) is made of corrosion-resistant material.

2. The stable poppet structure for use in a strong corrosive environment according to claim 1, wherein: The valve (4) is located at one end of the connecting channel (3).

3. The stable poppet structure for use in a strong corrosive environment according to claim 2, wherein: The one-way elastic valve core assembly (5) includes a spring support seat (501) disposed at the other end of the connecting channel (3), a movable valve core (502) in the connecting channel (3), and a spring structure (503) disposed between the spring support seat (501) and the movable valve core (502) for keeping the movable valve core (502) pressed toward the valve (4).

4. The stable poppet structure for use in a strong corrosive environment according to claim 3, wherein: The corrosion-resistant material is PTFE.

5. A stable poppet valve structure for use in a highly corrosive environment according to claim 4, wherein: The valve (4) has a 45° conical orifice; the movable valve core (502) has a 45° conical orifice.

6. A steady-state valve core structure suitable for highly corrosive environments according to claim 5, characterized in that: The delivery pipe (2) includes a liquid input channel (201) and a liquid output channel (202), and at least one of the two channels is connected to the wind bag pump body (1).

7. A steady-state valve core structure suitable for highly corrosive environments according to claim 6, characterized in that: When the one-way elastic valve core assembly (5) is installed on the liquid input channel (201), it is arranged in the direction of the liquid input channel (201), and when the one-way elastic valve core assembly (5) is installed on the liquid output channel (202), it is arranged in the opposite direction of the liquid output channel (202).

Images