Gear combined type pulp penetrating knife gate valve
By using slide rails, sealing grooves, lifting rods and limiting mechanisms in the gear-combined penetrating slurry knife gate valve, the problem of inconvenient adjustment of the lifting height and angle of existing equipment is solved, and more efficient sealing and flexibility are achieved Use of
Patent Information
- Application Number
- CN202421351393.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-06-14
AI Technical Summary
During use, the existing gear combination penetrating ore slurry knife gate valve is inconvenient to adjust the lifting height, and the inlet and exit angle of the knife gate valve cannot be adjusted, resulting in low practicality and cannot meet market demand.
A gear-combined penetrating ore slurry knife gate valve is designed, adopting a slide rail and sealing groove structure. Through the cooperation of the lifting rod and the knife gate frame, the meshing of the gear and transmission gear can realize the up and down movement of the knife gate frame, and pass the limit The positioning mechanism facilitates rotational positioning of the fixed axis position.
This design improves the convenience of adjusting the knife gate valve, can flexibly adjust the position of the fixed shaft, enhances the sealing closure of the inlet and outlet positions, and improves the practicality and efficiency of the equipment.
Smart Images

Figure CN222479615U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of knife gate valves, in particular to a gear-combined type ore-penetrating slurry knife gate valve. Background Art
[0002] Knife gate valve, also known as knife-type gate valve, is rapidly and widely used in various industries for its small flow resistance, light weight, easy installation and disassembly, from general industrial pipelines such as factory slag discharge, urban sewage treatment, etc., to professional pipeline systems such as food and medicine, and batching systems in various industries. The knife gate valve used in the slurry system pipeline is an ordinary knife gate valve with a carbon steel or ductile iron valve body, and the slurry medium is in direct contact with the valve body flow channel.
[0003] However, the existing gear-combined penetrating slurry knife gate valve has the following problems during use: the traditional knife gate valve is inconvenient to adjust the lifting height, making it impossible to adjust the inlet and outlet angles of the knife gate valve, making it low in practicality and unable to meet market demand. Utility Model Content
[0004] The utility model aims to provide a gear-assembled penetrating slurry knife gate valve to solve the related problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gear-combined penetrating slurry knife gate valve, comprising a knife gate valve body, a slide rail and a sealing groove, the inner wall of the knife gate valve body is installed with a slide rail, the bottom end of the knife gate valve body is provided with a sealing groove, the top of the knife gate valve body is installed with a fixing frame, and the top of the fixing frame is installed with a mounting plate, a lifting rod is arranged inside the mounting plate, and a knife gate frame that penetrates the knife gate valve body and is adapted to the inside of the slide rail is arranged at the bottom end of the lifting rod, and a sealing gasket is arranged on the outer wall of the knife gate frame, a fixed shaft is installed on one side of the mounting plate through a bearing, and a rotating wheel is installed on one side of the fixed shaft, a tooth block is installed on the outer wall of the lifting rod, a transmission gear is installed on the outer wall of the fixed shaft, and the outer wall of the transmission gear is meshed with the outer wall of the tooth block, and a limiting mechanism for limiting the rotation angle of the rotating wheel is arranged near the outer wall of the fixed shaft on the mounting plate.
[0006] The technical solution provides a gear-combined penetrating slurry knife gate valve, wherein an inlet and an outlet are provided inside the knife gate valve body.
[0007] The technical solution provides a gear-combined penetrating slurry knife gate valve, wherein the limiting mechanism comprises a movable groove and a T-shaped limiting block, the inside of the mounting plate is provided with a movable groove, and the inside of the movable groove is provided with a T-shaped limiting block penetrating the mounting plate.
[0008] The technical solution provides a gear-combined penetrating slurry knife gate valve, wherein an inclined block is installed on the outer wall of the fixed shaft, and the outer wall of the inclined block is engaged with the outer wall of the T-shaped limit block.
[0009] The technical solution provides a gear-assembled penetrating slurry knife gate valve, wherein the outer wall of the T-shaped limit block is sleeved with a spring, and the outer wall of the spring is in contact with the inside of the movable groove.
[0010] Compared with the prior art, the utility model provides a gear-combined penetrating slurry knife gate valve, which has the following beneficial effects:
[0011] The utility model squeezes the spring position by pulling the T-shaped limit block upwards so that the T-shaped limit block is separated from the tilting block. After the fixed shaft is rotated to a suitable position, if locking is desired, the T-shaped limit block can be loosened and fixedly engaged with the outer wall of the tilting block under the elastic force of the spring itself. This structure facilitates the rotation and positioning of the fixed shaft position.
[0012] The utility model drives the fixed shaft to rotate by rotating the rotating wheel, so that the fixed shaft drives the transmission gear to engage with the outer wall of the tooth block, and the tooth block drives the lifting rod and the knife gate frame to move up and down in the knife gate valve body, and then the knife gate frame drives the sealing gasket to close the inlet and outlet positions. In addition, the lower part of the sealing gasket fits tightly with the sealing groove, which is convenient for sealing and closing the inlet and outlet positions. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;
[0014] Figure 2 For the utility model Figure 1 A schematic diagram of the enlarged structure at point A;
[0015] Figure 3 It is a schematic diagram of the left side cross-sectional structure of the knife gate valve body and knife gate frame of the utility model;
[0016] Figure 4 It is a schematic diagram of the main structure of the utility model.
[0017] In the figure: 1. Knife gate valve body; 2. Slide rail; 3. Inlet and outlet; 4. Sealing groove; 5. Fixed frame; 6. Mounting plate; 7. Lifting rod; 8. Knife gate frame; 9. Sealing gasket; 10. Fixed shaft; 11. Rotating wheel; 12. Transmission gear; 13. Movable groove; 14. Tilt block; 15. T-type limit block; 16. Spring; 17. Gear block. DETAILED DESCRIPTION
[0018] 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.
[0019] Embodiment 1, as Figure 1-2 As shown, the utility model provides a technical solution: a gear-combined penetrating slurry knife gate valve, comprising a knife gate valve body 1, a slide rail 2 and a sealing groove 4, the inner wall of the knife gate valve body 1 is installed with the slide rail 2, the bottom end of the knife gate valve body 1 is provided with a sealing groove 4, the top of the knife gate valve body 1 is installed with a fixing frame 5, and the top of the fixing frame 5 is installed with a mounting plate 6, the interior of the mounting plate 6 is provided with a lifting rod 7, and the bottom end of the lifting rod 7 is provided with a knife gate frame that penetrates the knife gate valve body 1 and is adapted to the interior of the slide rail 2 8, and the outer wall of the knife gate frame 8 is provided with a sealing gasket 9, and the interior of the knife gate valve body 1 is provided with an inlet and outlet 3. The fixed shaft 10 is driven to rotate by rotating the rotating wheel 11, so that the fixed shaft 10 drives the transmission gear 12 to engage with the outer wall of the tooth block 17, and the tooth block 17 drives the lifting rod 7 and the knife gate frame 8 to move up and down in the knife gate valve body 1, and then the knife gate frame 8 drives the sealing gasket 9 to close the position of the inlet and outlet 3. In addition, the bottom of the sealing gasket 9 is tightly fitted in the sealing groove 4, which is convenient for sealing and closing the position of the inlet and outlet 3.
[0020] Embodiment 2, as Figure 1-4 As shown, the utility model provides a technical solution: a gear-combined penetrating slurry knife gate valve, comprising a mounting plate 6 having a fixed shaft 10 mounted on one side through a bearing, and a rotating wheel 11 mounted on one side of the fixed shaft 10, a tooth block 17 mounted on the outer wall of the lifting rod 7, a transmission gear 12 mounted on the outer wall of the fixed shaft 10, and the outer wall of the transmission gear 12 meshes with the outer wall of the tooth block 17, a limiting mechanism for limiting the rotation angle of the rotating wheel 11 is arranged on the mounting plate 6 near the outer wall of the fixed shaft 10, the limiting mechanism comprises a movable groove 13 and a T-shaped limiting block 15, the interior of the mounting plate 6 is provided with a movable groove 13, and a through-mounting mechanism is arranged inside the movable groove 13 The T-shaped limit block 15 of the plate 6 and the outer wall of the fixed shaft 10 are installed with a tilting block 14, and the outer wall of the tilting block 14 is engaged with the outer wall of the T-shaped limit block 15. The outer wall of the T-shaped limit block 15 is sleeved with a spring 16, and the outer wall of the spring 16 contacts the inside of the movable groove 13. The T-shaped limit block 15 is pulled upward to squeeze the position of the spring 16, so that the T-shaped limit block 15 is separated from the tilting block 14. After the fixed shaft 10 is rotated to a suitable position, if you want to lock it, you can loosen the T-shaped limit block 15, and the spring 16 is engaged and fixed with the outer wall of the tilting block 14 under the action of its own elastic force. This structure facilitates the rotation and positioning of the fixed shaft 10.
[0021] Working principle: First, turn on the external power supply, and the operator drives the fixed shaft 10 to rotate by turning the rotating wheel 11, so that the fixed shaft 10 drives the transmission gear 12 to engage with the outer wall of the tooth block 17, and the tooth block 17 drives the lifting rod 7 and the knife gate frame 8 to move up and down in the knife gate valve body 1, and then the knife gate frame 8 drives the sealing gasket 9 to close the inlet and outlet 3 positions. In addition, the bottom of the sealing gasket 9 fits tightly with the sealing groove 4, which is convenient for sealing and closing the inlet and outlet 3 positions. When the operator needs to position, the T-type limit block 15 can be pulled upward to squeeze the position of the spring 16, so that the T-type limit block 15 is separated from the tilting block 14. After rotating the fixed shaft 10 to the appropriate position, if you want to lock it, you can loosen the T-type limit block 15, and the spring 16 will be engaged and fixed with the outer wall of the tilting block 14 under the action of its own elastic force. This structure is convenient for rotating and positioning the fixed shaft 10.
[0022] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.
Claims
1. A gear-assembled penetrating slurry knife gate valve, comprising a knife gate valve body (1), a slide rail (2) and a sealing groove (4), characterized in that: The inner wall of the knife gate valve body (1) is provided with a slide rail (2), the bottom end of the knife gate valve body (1) is provided with a sealing groove (4), the top end of the knife gate valve body (1) is provided with a fixing frame (5), and the top end of the fixing frame (5) is provided with a mounting plate (6), a lifting rod (7) is provided inside the mounting plate (6), and a knife gate frame (8) which penetrates the knife gate valve body (1) and is adapted to the inside of the slide rail (2) is provided at the bottom end of the lifting rod (7), and a sealing groove (4) is provided on the outer wall of the knife gate frame (8). A sealing gasket (9), a fixed shaft (10) is mounted on one side of the mounting plate (6) via a bearing, and a rotating wheel (11) is mounted on one side of the fixed shaft (10), a tooth block (17) is mounted on the outer wall of the lifting rod (7), a transmission gear (12) is mounted on the outer wall of the fixed shaft (10), and the outer wall of the transmission gear (12) is meshed with the outer wall of the tooth block (17), and a limiting mechanism for limiting the rotation angle of the rotating wheel (11) is provided on the mounting plate (6) near the outer wall of the fixed shaft (10).
2. The gear-combined penetrating slurry knife gate valve according to claim 1, characterized in that: An inlet and outlet (3) are provided inside the knife gate valve body (1).
3. The gear-combined penetrating slurry knife gate valve according to claim 1, characterized in that: The limiting mechanism comprises a movable groove (13) and a T-shaped limiting block (15); the mounting plate (6) is provided with the movable groove (13) inside, and the movable groove (13) is provided with a T-shaped limiting block (15) penetrating the mounting plate (6).
4. The gear-combined penetrating slurry knife gate valve according to claim 3, characterized in that: A tilting block (14) is installed on the outer wall of the fixed shaft (10), and the outer wall of the tilting block (14) is engaged with the outer wall of the T-shaped limit block (15).
5. The gear-combined penetrating slurry knife gate valve according to claim 3, characterized in that: The outer wall of the T-shaped limit block (15) is sleeved with a spring (16), and the outer wall of the spring (16) is in contact with the interior of the movable groove (13).