Self-locking angle ball valve

Abstract

The utility model relates to the field of ball valves, and discloses a self-locking angle type ball valve which comprises a first valve body and a second valve body, the second valve body is arranged at one end of the first valve body, the outer side walls and the inner side walls of the first valve body and the second valve body are respectively provided with a wear-resistant structure in a sleeved mode, and a first valve lock structure is arranged at the position, close to one side, of the center in the first valve body. A second valve lock structure is arranged in the first valve body on one side of the first valve lock structure, a filtering and discharging structure is arranged on one side wall of the second valve body, and flanges are arranged at one end of the first valve body and one end of the second valve body. According to the utility model, the first valve lock structure and the second valve lock structure both adopt a self-locking mechanism, that is, the stability of the valve in a closed state is ensured through the combination of the spring and the electromagnetic brake, so that not only is the sealing performance of the valve improved, but also the electromagnetic brake can quickly lock the position of the valve in case of power failure or emergency; medium leakage is prevented, and safety and reliability of operation are ensured.

Description

Technical Field

[0001] The utility model relates to the field of ball valves, in particular to a self-locking angle ball valve. Background Art

[0002] The self-locking angle ball valve is a valve used to control the flow direction and flow rate of fluid. It has the characteristics of angle connection, that is, the inlet and outlet of the fluid are at a 90-degree angle. This valve has been widely used in the industrial field due to its compact structure, good sealing performance, easy operation and simple maintenance.

[0003] The existing ball valves may lack stability in the closed state, resulting in poor sealing performance, the risk of medium leakage, and certain safety hazards, affecting the safety and reliability of operation. Therefore, technical personnel in this field provide a self-locking angle ball valve to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a self-locking angle ball valve is proposed. The self-locking mechanism is adopted through the first valve lock structure and the second valve lock structure, that is, the stability of the valve in the closed state is ensured by the combination of the spring and the electromagnetic brake. This self-locking mechanism not only improves the sealing performance of the valve, but also in the case of power failure or emergency, the electromagnetic brake can quickly lock the valve position to prevent medium leakage, thereby ensuring the safety and reliability of operation. The filter screen, activated carbon and the discharge solenoid valve are integrated together to realize the integration of medium filtration, purification and discharge. This design not only improves the cleanliness and quality of the fluid, but also realizes the effective management of filtered particulate impurities through the control of the discharge solenoid valve. Through the first wear-resistant layer and the second wear-resistant layer, this design not only improves the wear resistance of the valve, but also enhances the overall corrosion resistance and wear resistance of the valve through the double protection of the inside and the outside, avoiding the potential influence of the direct wear of the first valve body and the second valve body by the medium and the external environment on the valve body, thereby improving the service life and reliability of the valve.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-locking angle ball valve, comprising a first valve body and a second valve body, the second valve body is arranged at one end of the first valve body, the outer side walls and inner side wall sleeves of the first valve body and the second valve body are both provided with wear-resistant structures, a first valve lock structure is provided at one side of the center of the first valve body, a second valve lock structure is provided inside the first valve body on one side of the first valve lock structure, a filter discharge structure is provided on one side wall of the second valve body, flanges are provided at one end of the first valve body and the second valve body, and four connection ports are arranged in rectangular shape on the outer side walls of the two flanges;

[0006] Through the above technical scheme, the first valve lock structure and the second valve lock structure both adopt a self-locking mechanism, that is, the combination of springs and electromagnetic brakes is used to ensure the stability of the valve in the closed state. This self-locking mechanism not only improves the sealing performance of the valve, but also in the event of power failure or emergency, the electromagnetic brake can quickly lock the valve position to prevent medium leakage, thereby ensuring the safety and reliability of operation. The filter screen, activated carbon and discharge solenoid valve are integrated together to achieve integrated filtration, purification and discharge of the medium. This design not only improves the cleanliness and quality of the fluid, but also through the control of the discharge solenoid valve, it realizes the effective management of filtered particulate impurities. Through the first wear-resistant layer and the second wear-resistant layer, this design not only improves the wear resistance of the valve, but also through the dual protection of the inside and outside, the overall corrosion resistance and wear resistance of the valve are enhanced, avoiding the potential impact of direct wear of the first valve body and the second valve body by the medium and the external environment on the valve body, thereby improving the service life and reliability of the valve.

[0007] Further, the two wear-resistant structures include two first wear-resistant layers and two second wear-resistant layers, the two first wear-resistant layers are respectively sleeved on the inner walls of the first valve body and the second valve body, and the two second wear-resistant layers are respectively sleeved on the outer walls of the first valve body and the second valve body;

[0008] Through the above technical solution, when the medium flows through the valve, the first wear-resistant layer can reduce the wear of the medium on the inner walls of the first valve body and the second valve body, and the second wear-resistant layer can provide a good protection for the outer walls of the first valve body and the second valve body, thereby protecting the surfaces of the first valve body and the second valve body from corrosion and wear. This design can reduce maintenance costs, reduce leakage problems caused by wear, and ensure long-term stable operation of the valve.

[0009] Further, the first valve lock structure includes a first ball valve, a first flow port, a rotating rod, a protective shell, a spring, a pressing connection block and a rotating disk, the first ball valve is arranged at one side of the center of the first valve body, the first flow port is arranged at the center of one side wall of the first ball valve, the rotating rod is arranged at the center of the upper end surface of the first ball valve, one end of the first ball valve sequentially passes through the upper end surface of the wear-resistant structure and the upper end surface of the first valve body to the outside of the wear-resistant structure, the spring is arranged at the center of the upper end surface of the rotating rod, the protective shell is arranged on the outside of the rotating rod at one side of the center of the upper end surface of the wear-resistant structure, the pressing connection block is arranged at the center of the upper end surface of the spring, and the rotating disk is arranged at the center of the upper end surface of the pressing connection block;

[0010] Through the above technical solution, when the medium flows through the first ball valve, its opening and closing state is controlled by the rotating rod to determine whether the medium is allowed to enter and exit the first ball valve through the first flow port. When the valve needs to be closed, the rotating disk is pressed down, and the connecting block is pressed down to drive the spring downward, the spring is compressed, and the rotating rod also moves accordingly. By rotating the rotating disk, the first ball valve closes the first flow port to prevent the fluid from passing through. When the valve needs to be opened, the rotating disk is pressed down, and the connecting block is pressed down to drive the spring downward, the spring is compressed, and the rotating rod also moves accordingly. By rotating the rotating disk, the first ball valve opens the first flow port to allow the fluid to pass through. The spring provides restoring force and stability, and the protective shell is used to protect the rotating rod and limit its range of motion.

[0011] Further, the second valve lock structure includes a second ball valve, a second flow port, a threaded rod, a motor and an electromagnetic brake, the second ball valve is arranged inside the first valve body on one side of the first valve lock structure, the second flow port is arranged at the center of one side wall of the second ball valve, the threaded rod is arranged at the center of the upper end surface of the second ball valve, the motor is arranged at the center of the upper end surface of the threaded rod, and the electromagnetic brake is arranged at the center of the upper end surface of the motor;

[0012] Through the above technical solution, when the medium passes through the second ball valve, the motor drives the rotation of the second ball valve by rotating the threaded rod, thereby controlling the opening and closing of the second flow port. The electromagnetic brake is used to lock the position of the threaded rod by electromagnetic force when the motor stops working, ensuring that the valve remains in the set position and preventing the valve position from changing due to external force.

[0013] Furthermore, the filter discharge structure includes a filter screen, activated carbon and a discharge solenoid valve, wherein the filter screen is arranged at the upper center of the second valve body, the activated carbon is arranged inside the second valve body at the lower end of the filter screen, and the discharge solenoid valve is arranged at the lower center of one side wall of the second valve body;

[0014] Through the above technical solution, before entering the second valve lock structure and the first valve lock structure, the medium first passes through the filter net, in which large particle impurities are intercepted and filtered out, and then the medium continues to flow to the activated carbon, and through the adsorption effect of the activated carbon, odor substances are removed or reduced. Finally, the filtered and purified medium passes through the second valve lock structure and the first valve lock structure, and the filtered particle impurities are released into the external environment through the discharge solenoid valve, thereby improving the cleanliness and quality of the fluid.

[0015] Furthermore, the two first wear-resistant layers and the two second wear-resistant layers are made of stainless steel;

[0016] Through the above technical solution, stainless steel has good wear resistance and corrosion resistance, can effectively resist the erosion and chemical corrosion of fluid media, and protect the valve body from damage.

[0017] Furthermore, the pressing connection block and the rotating rod are adapted to each other;

[0018] Through the above technical solution, the rotating rod can smoothly transmit torque during operation, while ensuring a stable connection between the rotating rod and the downward pressing connecting block, avoiding operational failure due to looseness or wear.

[0019] The utility model has the following beneficial effects:

[0020] 1. In the utility model, the self-locking angle ball valve adopts a self-locking mechanism through the first valve lock structure and the second valve lock structure, that is, the stability of the valve in the closed state is ensured by the combination of a spring and an electromagnetic brake. This self-locking mechanism not only improves the sealing performance of the valve, but also in the event of power failure or emergency, the electromagnetic brake can quickly lock the valve position to prevent medium leakage, thereby ensuring the safety and reliability of operation.

[0021] 2. In the utility model, the filter screen, activated carbon and discharge solenoid valve are integrated together to achieve the integration of medium filtration, purification and discharge. This design not only improves the cleanliness and quality of the fluid, but also realizes the effective management of filtered particulate impurities through the control of the discharge solenoid valve.

[0022] 3. In the utility model, the first wear-resistant layer and the second wear-resistant layer are used to improve the wear resistance of the valve, and the overall corrosion resistance and wear resistance of the valve are enhanced through the double protection of the inside and outside, thereby avoiding the potential impact of direct wear of the first valve body and the second valve body by the medium and the external environment on the valve body, thereby improving the service life and reliability of the valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional diagram of a self-locking angle ball valve proposed by the utility model;

[0024] Figure 2 This is a front cross-sectional view of a self-locking angle ball valve proposed by the utility model;

[0025] Figure 3 This is a front view of a self-locking angle ball valve proposed by the utility model;

[0026] Figure 4 for Figure 2 A magnified schematic diagram of center A.

[0027] Legend:

[0028] 1. First valve body; 2. Second valve body; 3. Wear-resistant structure; 301. First wear-resistant layer; 302. Second wear-resistant layer; 4. Flange; 5. Connecting port; 6. First valve lock structure; 601. First ball valve; 602. First flow port; 603. Rotating rod; 604. Protective shell; 605. Spring; 606. Press-down connecting block; 607. Rotating disk; 7. Second valve lock structure; 701. Second ball valve; 702. Second flow port; 703. Threaded rod; 704. Motor; 705. Electromagnetic brake; 8. Filter discharge structure; 801. Filter screen; 802. Activated carbon; 803. Discharge solenoid valve. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Reference Figure 1-4 The utility model provides an embodiment: a self-locking angle ball valve, comprising a first valve body 1 and a second valve body 2, the second valve body 2 is arranged at one end of the first valve body 1, the outer side walls and inner side wall sleeves of the first valve body 1 and the second valve body 2 are both provided with wear-resistant structures 3, a first valve lock structure 6 is provided at one side of the center of the first valve body 1, a second valve lock structure 7 is provided inside the first valve body 1 on one side of the first valve lock structure 6, a filter discharge structure 8 is provided on one side wall of the second valve body 2, a flange 4 is provided at one end of the first valve body 1 and the second valve body 2, and the outer side walls of the two flanges 4 are arranged in a rectangular shape and are provided with four connecting ports 5, the first valve body 1 and the second valve body 2 are connected through the wear-resistant structure 3 to reduce wear and extend the service life of the valve, the medium first passes through the filter discharge structure 8 to circulate the filtered medium, when the valve needs to be closed or opened, the second valve lock structure 7 is operated, and the opening and closing state of the first valve lock structure 6 is operated at the same time, so as to realize the self-locking medium circulation, and the flow of the medium can be controlled more safely and reliably through the second valve lock structure 7 and the first valve lock structure 6.

[0031] The two wear-resistant structures 3 include two first wear-resistant layers 301 and two second wear-resistant layers 302. The two first wear-resistant layers 301 are respectively sleeved on the inner walls of the first valve body 1 and the second valve body 2, and the two second wear-resistant layers 302 are respectively sleeved on the outer walls of the first valve body 1 and the second valve body 2. When the medium flows through the valve, the first wear-resistant layer 301 can reduce the wear of the medium on the inner walls of the first valve body 1 and the second valve body 2, and the second wear-resistant layer 302 can provide a good protection for the outer walls of the first valve body 1 and the second valve body 2, thereby protecting the surfaces of the first valve body 1 and the second valve body 2 from corrosion and wear. This design can reduce maintenance costs, reduce leakage problems caused by wear, and ensure long-term stable operation of the valve. The two first wear-resistant layers 301 and the two second wear-resistant layers 302 are both made of stainless steel. Stainless steel has good wear resistance and corrosion resistance, can effectively resist the erosion and chemical corrosion of fluid media, and protect the valve body from damage.

[0032] The first valve lock structure 6 includes a first ball valve 601, a first flow port 602, a rotating rod 603, a protective shell 604, a spring 605, a pressing connection block 606 and a rotating disk 607. The first ball valve 601 is arranged at one side of the center of the first valve body 1. The first flow port 602 is arranged at the center of one side wall of the first ball valve 601. The rotating rod 603 is arranged at the center of the upper end surface of the first ball valve 601. One end of the first ball valve 601 passes through the upper end surface of the wear-resistant structure 3 and the upper end surface of the first valve body 1 in sequence to the outside of the wear-resistant structure 3. The spring 605 is arranged at the center of the upper end surface of the rotating rod 603. The protective shell 604 is arranged on the outside of the rotating rod 603 at one side of the center of the upper end surface of the wear-resistant structure 3. The pressing connection block 606 is arranged at the center of the upper end surface of the spring 605. The rotating disk 607 is arranged at the center of the upper end surface of the pressing connection block 606.

[0033] When the medium flows through the first ball valve 601, the opening and closing state is controlled by the rotating rod 603 to determine whether the medium is allowed to enter and exit the first ball valve 601 through the first flow port 602. When the valve needs to be closed, the rotating disk 607 is pressed down, and the connecting block 606 is pressed down to drive the spring 605 downward, and the spring 605 is compressed. At the same time, the rotating rod 603 also acts accordingly, and the first ball valve 601 closes the first flow port 602 by rotating the rotating disk 607 to prevent the fluid from passing through. When the valve needs to be opened, the rotating disk 607 is pressed down, and the connecting block 606 is pressed down to drive the spring 605 downward. , the spring 605 is compressed, and the rotating rod 603 also moves accordingly. By rotating the rotating disk 607, the first ball valve 601 opens the first flow port 602, and the fluid can pass through. The spring 605 provides restoring force and stability. The protective shell 604 is used to protect the rotating rod 603 and limit its range of motion. The downward pressing connecting block 606 and the rotating rod 603 are adapted to each other, so that the rotating rod 603 can smoothly transmit torque during operation, and at the same time ensure the stable connection between the rotating rod 603 and the downward pressing connecting block 606, avoiding operational failures due to looseness or wear.

[0034] The second valve lock structure 7 includes a second ball valve 701, a second flow port 702, a threaded rod 703, a motor 704 and an electromagnetic brake 705. The second ball valve 701 is arranged inside the first valve body 1 on one side of the first valve lock structure 6, the second flow port 702 is arranged at the center of a side wall of the second ball valve 701, the threaded rod 703 is arranged at the center of the upper end surface of the second ball valve 701, the motor 704 is arranged at the center of the upper end surface of the threaded rod 703, and the electromagnetic brake 705 is arranged at the center of the upper end surface of the motor 704. When the medium passes through the second ball valve 701, the motor 704 drives the rotation of the second ball valve 701 by rotating the threaded rod 703, thereby controlling the opening and closing of the second flow port 702. The electromagnetic brake 705 is used to lock the position of the threaded rod 703 by electromagnetic force when the motor 704 stops working, to ensure that the valve remains in the set position and prevent the valve position from changing due to external force.

[0035] The filter discharge structure 8 includes a filter screen 801, activated carbon 802 and a discharge solenoid valve 803. The filter screen 801 is arranged at the upper center of the second valve body 2, the activated carbon 802 is arranged inside the second valve body 2 at the lower end of the filter screen 801, and the discharge solenoid valve 803 is arranged at the lower center of one side wall of the second valve body 2. Before entering the second valve lock structure 7 and the first valve lock structure 6, the medium first passes through the filter screen 801, and the large particle impurities therein are intercepted and filtered out. Then the medium continues to flow to the activated carbon 802, and the odor substances are removed or reduced through the adsorption effect of the activated carbon 802. Finally, the filtered and purified medium passes through the second valve lock structure 7 and the first valve lock structure 6, and the filtered particle impurities are released into the external environment through the discharge solenoid valve 803, thereby improving the cleanliness and quality of the fluid.

[0036] Working principle: When the medium flows through the valve, the first wear-resistant layer 301 can reduce the wear of the medium on the inner walls of the first valve body 1 and the second valve body 2, and the second wear-resistant layer 302 can provide a good protection for the outer walls of the first valve body 1 and the second valve body 2, thereby protecting the surfaces of the first valve body 1 and the second valve body 2 from corrosion and wear. This design can reduce maintenance costs, reduce leakage problems caused by wear, and ensure long-term stable operation of the valve. Before entering the second valve lock structure 7 and the first valve lock structure 6, the medium first passes through the filter screen 801, and the large particle impurities therein are intercepted and filtered out. Then the medium continues to flow to the activated carbon 802. Through the adsorption effect of the activated carbon 802, the odorous substances are removed or reduced. Finally, the filtered and purified medium passes through the second valve lock structure 7 and the first valve lock structure 6, and the filtered particle impurities are released into the external environment through the discharge solenoid valve 803, thereby improving the cleanliness and quality of the fluid.

[0037] When the medium passes through the second ball valve 701, the motor 704 drives the rotation of the second ball valve 701 by rotating the threaded rod 703, thereby controlling the opening and closing of the second flow port 702. The electromagnetic brake 705 is used to lock the position of the threaded rod 703 by electromagnetic force when the motor 704 stops working, ensuring that the valve remains in the set position to prevent the valve position from changing due to external forces. When the medium flows through the first ball valve 601, the opening and closing state of the first ball valve 601 is controlled by rotating the rod 603 to determine whether the medium is allowed to enter and exit the first ball valve 601 through the first flow port 602. When the valve needs to be closed, the rotating disk 607 is pressed down to press the connecting block 60 6 drives the spring 605 downward, the spring 605 is compressed, and the rotating rod 603 also moves accordingly. By rotating the rotating disk 607, the first ball valve 601 closes the first flow port 602 to prevent the fluid from passing through. When the valve needs to be opened, the rotating disk 607 is pressed down, and the connecting block 606 is pressed down to drive the spring 605 downward, the spring 605 is compressed, and the rotating rod 603 also moves accordingly. By rotating the rotating disk 607, the first ball valve 601 opens the first flow port 602, and the fluid can pass through. The spring 605 provides restoring force and stability. The protective shell 604 is used to protect the rotating rod 603 and limit its range of motion.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A self-locking angle ball valve, comprising a first valve body (1) and a second valve body (2), wherein the second valve body (2) is arranged at one end of the first valve body (1), characterized in that: The outer wall and inner wall sleeve of the first valve body (1) and the second valve body (2) are both provided with a wear-resistant structure (3); a first valve lock structure (6) is provided at one side of the center of the first valve body (1); a second valve lock structure (7) is provided inside the first valve body (1) on one side of the first valve lock structure (6); a filter discharge structure (8) is provided on one side wall of the second valve body (2); flanges (4) are provided at one end of the first valve body (1) and the second valve body (2); and the outer walls of the two flanges (4) are both provided with four connecting ports (5) arranged in a rectangular shape.

2. A self-locking angle ball valve according to claim 1, characterized in that: The two wear-resistant structures (3) include two first wear-resistant layers (301) and two second wear-resistant layers (302), wherein the two first wear-resistant layers (301) are respectively sleeved on the inner walls of the first valve body (1) and the second valve body (2), and the two second wear-resistant layers (302) are respectively sleeved on the outer walls of the first valve body (1) and the second valve body (2).

3. A self-locking angle ball valve according to claim 1, characterized in that: The first valve lock structure (6) comprises a first ball valve (601), a first flow port (602), a rotating rod (603), a protective shell (604), a spring (605), a downward pressing connection block (606) and a rotating disk (607), wherein the first ball valve (601) is arranged at one side of the center of the first valve body (1), the first flow port (602) is arranged at the center of one side wall of the first ball valve (601), the rotating rod (603) is arranged at the center of the upper end surface of the first ball valve (601), and the first One end of the ball valve (601) passes through the upper end surface of the wear-resistant structure (3) and the upper end surface of the first valve body (1) in sequence and passes to the outside of the wear-resistant structure (3); the spring (605) is arranged at the center of the upper end surface of the rotating rod (603); the protective shell (604) is arranged on the outside of the rotating rod (603) at one side of the center of the upper end surface of the wear-resistant structure (3); the downward pressing connecting block (606) is arranged at the center of the upper end surface of the spring (605); and the rotating disk (607) is arranged at the center of the upper end surface of the downward pressing connecting block (606).

4. A self-locking angle ball valve according to claim 1, characterized in that: The second valve lock structure (7) comprises a second ball valve (701), a second flow port (702), a threaded rod (703), a motor (704) and an electromagnetic brake (705); the second ball valve (701) is arranged inside the first valve body (1) on one side of the first valve lock structure (6); the second flow port (702) is arranged at the center of one side wall of the second ball valve (701); the threaded rod (703) is arranged at the center of the upper end surface of the second ball valve (701); the motor (704) is arranged at the center of the upper end surface of the threaded rod (703); and the electromagnetic brake (705) is arranged at the center of the upper end surface of the motor (704).

5. The self-locking angle ball valve according to claim 1, characterized in that: The filter discharge structure (8) comprises a filter screen (801), activated carbon (802) and a discharge solenoid valve (803); the filter screen (801) is arranged at the upper center of the second valve body (2); the activated carbon (802) is arranged inside the second valve body (2) at the lower end of the filter screen (801); and the discharge solenoid valve (803) is arranged at the lower center of a side wall of the second valve body (2).

6. A self-locking angle ball valve according to claim 2, characterized in that: The two first wear-resistant layers (301) and the two second wear-resistant layers (302) are both made of stainless steel.

7. A self-locking angle ball valve according to claim 3, characterized in that: The pressing connection block (606) and the rotating rod (603) are adapted to each other.

Images