Valve

Abstract

The utility model discloses a valve, which relates to the technical field of valves and comprises a valve body, a valve plate rotatably connected inside the valve body, an outer valve seat fixedly mounted at the top end of the valve body, a mounting seat fixedly mounted at the top end of the outer valve seat, a driving motor fixedly mounted on one side of the mounting seat, and a worm rotatably connected at one end inside the mounting seat. And one end of the worm is fixedly connected with the output end of the driving motor, a worm gear is rotationally connected into the mounting base, the worm gear is connected with the worm in a meshed mode, and the worm gear is rotationally connected with one end of the valve rod. Through the arrangement of the buffer structure, liquid can be shunted when the valve plate is closed and opened, so that the impact force of the liquid on the valve plate is reduced, the valve plate can be buffered, the pressure generated when the valve plate is closed and opened is reduced, the valve plate is more convenient to use, and the service life of the valve plate is prolonged. And the use convenience of the valve is further improved.

Description

A valve Technical Field

[0001] This utility model relates to the field of valve technology, and specifically to a valve. Background Technology

[0002] Valves are mechanical devices used to control the flow of fluids (liquids, gases, slurries, etc.). They control flow rate, pressure, or flow direction by opening, closing, or adjusting the cross-sectional area of ​​the passage. Valves are indispensable control components in industrial systems, and their performance directly affects the safety and efficiency of the system. Correct selection, standardized installation, and regular maintenance are key to extending valve life.

[0003] During the daily operation of a valve, the cross-sectional area of ​​the liquid flow becomes smaller during the initial opening and final closing stages, resulting in greater pressure on the valve plate. This makes opening and closing the valve difficult and inconvenient. Therefore, a valve is provided to solve the above problems. Summary of the Invention

[0004] The purpose of this utility model is to provide a valve that solves the problem in the above-mentioned background art that the liquid flow cross-section becomes smaller and the pressure on the valve plate is greater during the initial opening and final closing stages of the valve, making it difficult and inconvenient to open and close.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0006] A valve includes: a valve body, a valve plate rotatably connected inside the valve body, an outer valve seat fixedly mounted on the top of the valve body, a mounting seat fixedly mounted on the top of the outer valve seat, a drive motor fixedly mounted on one side of the mounting seat, a worm gear rotatably connected to one end of the mounting seat, and one end of the worm gear fixedly connected to the output end of the drive motor, a worm wheel rotatably connected to the inside of the mounting seat, and the worm wheel meshing with the worm gear, the worm wheel rotatably connected to one end of a valve stem, and the other end of the valve stem passing through the side walls of the valve body and the outer valve seat and fixedly connected to the top of the valve plate, and a buffer structure mounted on one side of the valve plate;

[0007] The buffer structure includes a rotating rod rotatably connected to the inside of the valve stem, a transmission gear fixedly mounted at the top of the rotating rod, a transmission rack slidably connected to one end of the mounting seat, and the transmission rack meshing with the transmission gear. A hydraulic cylinder is fixedly mounted on one side of the mounting seat, the output end of the hydraulic cylinder is fixedly connected to one side of the connecting seat, and a connecting rod is fixedly mounted on one side of the connecting seat, with one end of the connecting rod extending into the interior of the mounting seat and fixedly connected to one end of the transmission rack.

[0008] Using the above technical solution, when the valve is closed, the space for liquid flow gradually decreases as the valve plate rotates, resulting in a large impact force on the valve plate. This makes it difficult to close the valve plate. At this time, a buffer structure can be used to increase the flow of liquid. After the valve plate is closed, the buffer structure is then closed. The buffer structure reduces the closing pressure of the valve plate at the end of the closure, further increasing the ease of closing the valve plate. In addition, the buffer structure can improve the flow of liquid, thereby facilitating the rotation of the valve plate.

[0009] A further improvement of this utility model is that the buffer structure also includes a bidirectional lead screw fixedly installed at the bottom of the rotating rod. The middle part of the bidirectional lead screw is rotatably connected to the connecting frame, and the connecting frame is fixedly connected to one side of the valve plate. The two ends of the bidirectional lead screw are threaded with extrusion blocks. Two sets of sliding columns are symmetrically fixedly installed on one side of the valve plate. The two sets of sliding columns are slidably connected to the two ends of the two connecting plates respectively. The connecting plates and the extrusion blocks are extruded and fitted. The connecting plates are fixedly installed with sealing seats at equal intervals on the side of the connecting plates near the valve plate. The valve plate is provided with buffer holes at equal intervals that are inserted and fitted with the flow guide seats.

[0010] Using the above technical solution, during use, the hydraulic cylinder drives the transmission rack via the connecting rod to rotate the transmission gear. As the transmission gear rotates, the double-ended lead screw at the bottom of the transmission gear rotates. With the rotation of the double-ended lead screw, the extrusion blocks move in opposite directions. As the extrusion blocks move, the mating frame and connecting plate, no longer restrained, move away from the valve plate. At this time, the liquid flows through the buffer hole. As the connecting plate moves, the sealing seat on the connecting plate moves out of the buffer hole, thus facilitating the flow of liquid. Then, the hydraulic cylinder drives the transmission rack to move, thereby driving the transmission gear to rotate. The double-ended lead screw then causes the extrusion blocks to move in the opposite direction. As the extrusion blocks press against the mating frame and connecting plate, the sealing seat on the connecting plate is pressed and then re-inserts into the buffer hole on the connecting plate to seal it.

[0011] A further improvement of this utility model is that: a groove is symmetrically provided inside one end of the mounting base, and a locking block is slidably connected inside each groove, and the groove is filled with hydraulic oil; a slot is provided on one side of the transmission rack to engage with the locking block.

[0012] Using the above technical solution, the hydraulic cylinder drives the transmission rack to move through the connecting seat and connecting rod. As the transmission rack moves, the locking block will engage in the locking groove on one side of the transmission rack to restrict the position of the transmission rack. There are two locking blocks, which can restrict the initial and end positions of the transmission rack.

[0013] A further improvement of the present invention is that a flow guide seat is fixedly installed on one side of the closed seat, and a number of flow guide grooves are equally spaced on one side of the flow guide seat.

[0014] By adopting the above technical solution, the flow guide seat can divert the flowing liquid when the closed seat is removed from the buffer hole, further increasing the flowability of the liquid. The flow guide groove on the flow guide seat further improves the flowability of the liquid, making the flow of the liquid more convenient.

[0015] A further improvement of this utility model is that: the connecting plate has flow grooves equidistantly spaced in the middle.

[0016] Using the above technical solution, the flow groove in the middle of the connecting plate facilitates the flow of liquid.

[0017] A further improvement of the present invention is that: one end of the extrusion block is provided with an extrusion seat, and the buffer structure also includes a mating frame, and the middle part of the mating frame is provided with a protrusion that engages with the extrusion seat at the end of the extrusion block for extrusion mating.

[0018] By adopting the above technical solution, the extrusion seat at one end of the extrusion block can easily extrude the mating frame, thereby making it easier to move the position of the sealing seat, and thus making it easier for the sealing seat to seal and open the buffer hole on the valve plate.

[0019] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:

[0020] 1. This utility model, through the setting of a buffer structure, can divert the liquid when the valve plate is closed and opened, thereby reducing the impact force of the liquid on the valve plate, so that the valve plate can be buffered, reducing the pressure on the valve plate when closing and opening, thus making the valve plate more convenient to use and further increasing the convenience of the valve during use.

[0021] 2. The present invention can further improve the flowability of liquid by setting the flow guide seat and the flow guide groove, thereby increasing the stability and convenience of the buffer structure during use. The flow guide seat can divert the flowing liquid when the closed seat is removed from the buffer hole, further increasing the flowability of liquid. The flow guide groove on the flow guide seat further improves the flowability of liquid and makes the flow of liquid more convenient. Attached Figure Description

[0022] The present invention will be further described below with reference to the accompanying drawings.

[0023] Figure 1 is a first-view structural schematic diagram of the present invention.

[0024] Figure 2 is a second-view structural schematic diagram of the present invention.

[0025] Figure 3 is a partial structural schematic diagram of this utility model;

[0026] Figure 4 is a first-view structural schematic diagram of the buffer structure of this utility model;

[0027] Figure 5 is a structural schematic diagram of the buffer structure of this utility model from a second perspective.

[0028] Figure 6 is a schematic diagram of the valve plate of this utility model;

[0029] Figure 7 is a structural schematic diagram of the buffer structure of this utility model from a third perspective;

[0030] Figure 8 is a schematic diagram of the buffer structure of this utility model from a fourth perspective.

[0031] In the diagram: 1. Valve body; 2. Valve plate; 3. Outer valve seat; 4. Mounting seat; 5. Drive motor; 6. Worm gear; 7. Worm wheel; 8. Valve stem; 9. Rotating rod; 10. Transmission gear; 11. Groove; 12. Locking block; 13. Transmission rack; 14. Hydraulic cylinder; 15. Connecting seat; 16. Connecting rod; 17. Two-way lead screw; 18. Connecting frame; 19. Extrusion block; 20. Mating frame; 21. Connecting plate; 22. Sliding column; 23. Sealing seat; 24. Flow guide seat; 25. Flow guide groove; 26. Buffer hole; 27. Locking groove. Detailed Implementation

[0032] The present invention will be further described in detail below with reference to the embodiments.

[0033] Example 1

[0034] As shown in Figures 1-3, this utility model provides a valve, including: a valve body 1, a valve plate 2 rotatably connected inside the valve body 1, an outer valve seat 3 fixedly installed at the top of the valve body 1, an mounting seat 4 fixedly installed at the top of the outer valve seat 3, a drive motor 5 fixedly installed on one side of the mounting seat 4, a worm gear 6 rotatably connected to one end inside the mounting seat 4, and one end of the worm gear 6 fixedly connected to the output end of the drive motor 5, a worm wheel 7 rotatably connected inside the mounting seat 4, and the worm wheel 7 meshing with the worm gear 6, the worm wheel 7 rotatably connected to one end of the valve stem 8, and the other end of the valve stem 8 passing through the side wall of the valve body 1 and the outer valve seat 3 and fixedly connected to the top of the valve plate 2, and a buffer structure installed on one side of the valve plate 2;

[0035] The buffer structure includes a rotating rod 9 rotatably connected inside the valve stem 8, a transmission gear 10 fixedly mounted at the top of the rotating rod 9, a transmission rack 13 slidably connected to one end of the mounting base 4, and the transmission rack 13 meshing with the transmission gear 10, a hydraulic cylinder 14 fixedly mounted on one side of the mounting base 4, the output end of the hydraulic cylinder 14 fixedly connected to one side of the connecting base 15, a connecting rod 16 fixedly mounted on one side of the connecting base 15, and one end of the connecting rod 16 extending into the interior of the mounting base 4 and fixedly connected to one end of the transmission rack 13.

[0036] In this embodiment, when the valve is closed, the space for liquid flow gradually decreases as the valve plate 2 rotates, and the valve plate 2 experiences a large impact force, making it difficult to close. At this time, a buffer structure can be used to increase the flow of liquid. After the valve plate 2 is closed, the buffer structure is then closed. The buffer structure reduces the closing pressure of the valve plate 2 at the end of the closure, further increasing the ease of closing the valve plate 2. In addition, the buffer structure can improve the flow of liquid, thereby facilitating the rotation of the valve plate 2.

[0037] Example 2

[0038] As shown in Figures 3-8, based on Embodiment 1, this utility model provides a technical solution: Preferably, the buffer structure further includes a bidirectional lead screw 17 fixedly installed at the bottom of the rotating rod 9. The middle part of the bidirectional lead screw 17 is rotatably connected to the connecting frame 18, and the connecting frame 18 is fixedly connected to one side of the valve plate 2. The two ends of the bidirectional lead screw 17 are threadedly connected to the extrusion blocks 19. Two sets of sliding columns 22 are symmetrically fixedly installed on one side of the valve plate 2. The two sets of sliding columns 22 are slidably connected to the two ends of the two connecting plates 21 respectively. The connecting plates 21 and the extrusion blocks 19 are extruded and fitted together. The connecting plates 21 are fixedly installed with sealing seats 23 at equal intervals on the side of the valve plate 2 close to the valve plate 2. The valve plate 2 is provided with buffer holes 26 at equal intervals that are inserted and fitted with the guide seat 24.

[0039] In this embodiment, during use, the hydraulic cylinder 14 drives the transmission rack 13 via the connecting rod 16, which in turn drives the transmission gear 10 to rotate. As the transmission gear 10 rotates, the bidirectional lead screw 17 at the bottom of the transmission gear 10 rotates. With the rotation of the bidirectional lead screw 17, the pressing blocks 19 move in opposite directions. As the pressing blocks 19 move, the mating frame 20 and the connecting plate 21, lacking restraint, move away from the valve plate 2. At this time, liquid flows through the buffer hole 26. Meanwhile, as the connecting plate 21 moves, the connecting plate... The sealing seat 23 on 21 will move out of the buffer hole 26 to facilitate the flow of liquid. Then, the hydraulic cylinder 14 will drive the transmission rack 13 to move, thereby driving the transmission gear 10 to rotate. Then, the bidirectional lead screw 17 will cause the extrusion block 19 to move in the opposite direction. As the extrusion block 19 extrudes the mating frame 20 and the connecting plate 21, the sealing seat 23 on the connecting plate 21 will be inserted into the buffer hole 26 on the connecting plate 21 again to seal it.

[0040] Example 3

[0041] As shown in Figure 8, based on Embodiment 1, this utility model provides a technical solution: preferably, one end of the mounting base 4 has symmetrically provided grooves 11, each groove 11 is slidably connected to a locking block 12, and the groove 11 is filled with hydraulic oil. One side of the transmission rack 13 has a slot 27 that engages with the locking block 12.

[0042] In this embodiment, the hydraulic cylinder 14 drives the transmission rack 13 to move through the connecting seat 15 and the connecting rod 16. As the transmission rack 13 moves, the locking block 12 will be locked into the locking groove 27 on one side of the transmission rack 13 to restrict the position of the transmission rack 13. There are two locking blocks 12, which can restrict the initial and end positions of the transmission rack 13.

[0043] As shown in Figure 5, preferably, a flow guide seat 24 is fixedly installed on one side of the closed seat 23, and a plurality of flow guide grooves 25 are equally spaced on one side of the flow guide seat 24.

[0044] In this embodiment, the flow guide seat 24 can divert the flowing liquid when the closed seat 23 is removed from the buffer hole 26, further increasing the flowability of the liquid. The flow guide groove 25 on the flow guide seat 24 further improves the flowability of the liquid and makes the flow of the liquid more convenient.

[0045] As shown in Figure 5, in this embodiment, preferably, the connecting plate 21 has flow grooves equidistantly provided in the middle.

[0046] In this embodiment, the flow groove in the middle of the connecting plate 21 facilitates the flow of liquid.

[0047] As shown in Figure 7, preferably, one end of the extrusion block 19 is provided with an extrusion seat, and the buffer structure also includes a mating frame 20, the middle of which is provided with a protrusion that engages with the extrusion seat at the end of the extrusion block 19.

[0048] In this embodiment, the extrusion seat at one end of the extrusion block 19 facilitates the extrusion of the mating frame 20, thereby making it easier to move the position of the sealing seat 23, and thus making it easier for the sealing seat 23 to block and open the buffer hole 26 on the valve plate 2.

[0049] The working principle of this valve is explained in detail below.

[0050] As shown in Figures 1-8, when the valve is closed, the space for liquid flow gradually decreases as the valve plate 2 rotates, resulting in a large impact force on the valve plate 2. This makes it difficult to close the valve plate 2. To address this, a buffer structure can be used to increase liquid flow. After the valve plate 2 is closed, the buffer structure is then closed, thereby reducing the closing pressure of the valve plate 2 at the end of the closure process and further increasing the ease of closing the valve plate 2. Additionally, the buffer structure enhances liquid flow, facilitating the rotation of the valve plate 2. In operation, the hydraulic cylinder 14 drives the transmission rack 13 via the connecting rod 16, which in turn drives the transmission gear 10 to rotate. As the transmission gear 10 rotates, the bidirectional lead screw 17 at the bottom of the transmission gear 10 also rotates. As the bidirectional lead screw 17 rotates, the pressing blocks 19 move in opposite directions. With the movement of the pressing blocks 19, the mating frame 20 and the connecting plate 21, no longer restricted, move away from the valve plate 2. At this time, the liquid flows through the buffer hole 26. As the connecting plate 21 moves, the sealing seat 23 on the connecting plate 21 moves out of the buffer hole 26, thus facilitating the flow of liquid. Then, the hydraulic cylinder 14 drives the transmission rack 13 to move, thereby driving the transmission gear 10 to rotate. The bidirectional lead screw 17 then causes the pressing blocks 19 to move in the opposite direction. As the pressing blocks 19 press the mating frame 20 and the connecting plate 21, the sealing seat 23 on the connecting plate 21 is re-inserted into the buffer hole 26 on the connecting plate 21 to seal it.

[0051] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A valve, characterized in that, include: A valve body (1) is rotatably connected to a valve plate (2). An outer valve seat (3) is fixedly installed at the top of the valve body (1). A mounting seat (4) is fixedly installed at the top of the outer valve seat (3). A drive motor (5) is fixedly installed on one side of the mounting seat (4). A worm gear (6) is rotatably connected to one end of the mounting seat (4), and one end of the worm gear (6) is fixedly connected to the output end of the drive motor (5). A worm wheel (7) is rotatably connected to the inside of the mounting seat (4), and the worm wheel (7) meshes with the worm gear (6). One end of the worm wheel (7) is rotatably connected to one end of the valve stem (8). The other end of the valve stem (8) passes through the side wall of the valve body (1) and the outer valve seat (3) and is fixedly connected to the top of the valve plate (2). A buffer structure is installed on one side of the valve plate (2); the buffer structure includes a rotating rod (9) rotatably connected to the valve stem (8), a transmission gear (10) is fixedly installed at the top of the rotating rod (9), a transmission rack (13) is slidably connected to one end of the mounting seat (4), and the transmission rack (13) and the transmission gear (10) are meshed together; a hydraulic cylinder (14) is fixedly installed on one side of the mounting seat (4), the output end of the hydraulic cylinder (14) is fixedly connected to one side of the connecting seat (15), a connecting rod (16) is fixedly installed on one side of the connecting seat (15), and one end of the connecting rod (16) extends into the interior of the mounting seat (4) and is fixedly connected to one end of the transmission rack (13).

2. The valve according to claim 1, characterized in that: The buffer structure also includes a bidirectional lead screw (17) fixedly installed at the bottom of the rotating rod (9). The middle part of the bidirectional lead screw (17) is rotatably connected to the connecting frame (18), and the connecting frame (18) is fixedly connected to one side of the valve plate (2). The two ends of the bidirectional lead screw (17) are threadedly connected to the extrusion blocks (19). Two sets of sliding columns (22) are symmetrically fixedly installed on one side of the valve plate (2). The two sets of sliding columns (22) are slidably connected to the two ends of the two connecting plates (21). The connecting plates (21) and the extrusion blocks (19) are extruded and fitted together. The connecting plates (21) are fixedly installed with sealing seats (23) at equal intervals on the side of the valve plate (2) close to the valve plate (2). The valve plate (2) is provided with buffer holes (26) at equal intervals that are inserted and fitted with the guide seat (24).

3. A valve according to claim 2, characterized in that: The mounting base (4) has symmetrical grooves (11) inside one end. Each groove (11) is slidably connected to a locking block (12), and the groove (11) is filled with hydraulic oil. The transmission rack (13) has a slot (27) on one side that engages with the locking block (12).

4. A valve according to claim 3, characterized in that: A flow guide seat (24) is fixedly installed on one side of the closed seat (23), and a plurality of flow guide grooves (25) are equally spaced on one side of the flow guide seat (24).

5. A valve according to claim 4, characterized in that: The connecting plate (21) has flow grooves at equal intervals in the middle.

6. A valve according to claim 5, characterized in that: One end of the extrusion block (19) is provided with an extrusion seat, and the buffer structure also includes a mating frame (20), the middle of which is provided with a protrusion that engages with the extrusion seat at the end of the extrusion block (19).

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