Valve plate for knife valve

Abstract

The valve plate for the knife valve comprises a valve plate shell, a throttling groove is formed in the valve plate shell, a closure panel penetrates through the interior of the throttling groove, and the outer surface of the lower end of the throttling groove and the outer surface of the upper end of the closure panel are jointly and tightly connected with a long sealing block. First fixing bolts are in threaded connection with the interiors of the throttling groove, the closure panel and the long sealing block correspondingly, a first valve rod mounting through hole is formed in the valve plate shell, a first fixing pin mounting through hole penetrates through the interior of the first valve rod mounting through hole, and a second sealing strip and a third sealing strip are fixedly connected to the side surface of the closure panel correspondingly. The outer surface of the lower end of the closure panel is fixedly connected with a valve plate tip; through cooperative use of the components, the upper end and the lower end of the device can be disassembled in a segmented mode, overall replacement is avoided, resources are saved, the fixing groove and the fixing pin through hole are additionally formed in the connecting shaft rod, connection is more stable, and the sealing performance is better.

Description

Technical Field

[0001] This utility model relates to the field of valve manufacturing, and in particular to valve plates for knife valves. Background Technology

[0002] Knife valves use a valve plate as their core component. Through its knife-shaped structure, it cuts into the fluid medium, enabling on / off control and flow regulation of the fluid in the pipeline. Its wear-resistant and corrosion-resistant properties effectively cut off impurities, prevent jamming, and ensure valve sealing and opening / closing stability. It is widely used in harsh operating conditions in chemical, papermaking, and environmental protection industries, improving system reliability and service life.

[0003] The existing valve plate for knife valves is mainly a one-piece structure, and the upper part of the valve plate is connected by a single row of fixing bolt holes. The replacement process is relatively complicated and requires the entire valve plate to be replaced. The whole replacement not only causes huge waste of resources, but also poses a risk of poor sealing, which seriously affects the performance. Utility Model Content

[0004] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art. It provides a valve plate for knife valves, aiming to improve the technical problem that the existing valve plates for knife valves do not consider the overall replacement during use, which not only causes huge waste of resources but also poses the risk of poor sealing and seriously affects the performance of the product.

[0005] This utility model also provides a valve plate for the aforementioned knife valve, comprising: a valve plate housing, wherein a throttling groove is provided inside the valve plate housing, a flow-blocking panel penetrates through the throttling groove, a sealing block is tightly connected to the lower outer surface of the throttling groove and the upper outer surface of the flow-blocking panel, a fixing bolt is threadedly connected to the interior of the throttling groove, the flow-blocking panel, and the sealing block, a valve stem mounting through hole is provided inside the valve plate housing, a fixing pin mounting through hole penetrates through the valve stem mounting through hole, a sealing strip two and a sealing strip three are fixedly connected to the side surface of the flow-blocking panel respectively, and a valve plate tip is fixedly connected to the lower outer surface of the flow-blocking panel. Through the combined use of these components, the upper and lower ends of the device are no longer fixed with simple sealant, resulting in a more robust structure. Simultaneously, the upper and lower ends can be disassembled in sections, avoiding overall replacement and saving resources. The connecting shaft has added fixing grooves and fixing pin through holes, resulting in a more stable connection.

[0006] According to the valve plate for the knife valve provided in this utility model, the valve plate housing is provided with a valve stem mounting through hole two and a valve stem mounting through hole three. Through the coordinated use of these components, a more stable device connection is achieved.

[0007] According to the valve plate for the knife valve provided in this utility model, a sealing strip is fixedly connected to the lower outer surface of the valve plate housing, and a throttling groove is fixedly connected to the side surface of the sealing strip. Through the combined use of these components, a more robust sealing effect is achieved in the device.

[0008] According to the valve plate for the knife valve provided in this utility model, the valve plate housing has a valve stem mounting through hole four, and a fixing pin mounting through hole two passes through the valve stem mounting through hole four. Through the coordinated use of these components, a robust device structure and reliable connection are achieved.

[0009] According to the valve plate for the knife valve provided in this utility model, the interior of the valve plate housing has a through hole for mounting a fixing pin and a through hole for mounting a fixing pin. Through the coordinated use of these components, a robust device structure is achieved.

[0010] According to the valve plate for the knife valve provided in this utility model, the throttling groove, the flow-stopping panel, and the sealing block are all internally threaded with fixing bolts four, five, and six. Through the coordinated use of these components, a robust device structure is achieved.

[0011] According to the valve plate for the knife valve provided in this utility model, the throttling groove, the flow-stopping panel, and the sealing block are all internally connected with fixing bolts two and three. Through the coordinated use of the above components, a robust and reliable device structure is achieved.

[0012] According to the valve plate for the knife valve provided in this utility model, the interior of the valve plate housing is respectively provided with positioning groove one, positioning groove two, and positioning groove three. Through the cooperative use of the above components, a reliable connection of the device is achieved.

[0013] Beneficial effects

[0014] Compared with existing technologies, this knife valve uses a valve plate in which the valve plate housing is securely connected to the throttling panel and the sealing block via fixing bolts 1, 2, 3, 4, 5, and 6 during use. Valve stem mounting through holes 1, 2, 3, and 4 provide a secure connection for valve stem installation. Furthermore, the valve stem is firmly locked in place via fixing pin mounting through holes 1 and 2. Ultimately, the upper and lower ends of the device are no longer fixed with simple sealant, resulting in a more robust structure. The upper and lower ends can be disassembled in sections, avoiding the need for complete replacement and saving resources. The connecting shaft also features a fixing groove and fixing pin through hole, further enhancing the connection stability. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1This is a perspective view of the valve plate used in this utility model knife valve;

[0017] Figure 2 This is the front view of the valve plate for the knife valve in this utility model;

[0018] Figure 3 This is a sectional view of the valve plate for the knife valve in this utility model;

[0019] Figure 4 This is a top view of the valve plate for the knife valve in this utility model;

[0020] Figure 5 This is a left view of the valve plate for the knife valve in this utility model.

[0021] Legend:

[0022] 1. Valve plate housing; 2. Throttling panel; 3. Sealing strip one; 4. Sealing strip two; 5. Throttling groove; 6. Sealing block; 7. Fixing bolt one; 8. Fixing bolt two; 9. Fixing bolt three; 10. Fixing bolt four; 11. Fixing bolt five; 12. Fixing bolt six; 13. Sealing strip three; 14. Valve plate tip; 15. Valve stem mounting through hole one; 16. Valve stem mounting through hole two; 17. Fixing pin mounting through hole one; 18. Valve stem mounting through hole three; 19. Valve stem mounting through hole four; 20. Fixing pin mounting through hole two; 21. Positioning groove one; 22. Positioning groove two; 23. Positioning groove three. Detailed Implementation

[0023] This section will describe in detail the specific embodiments of this utility model. Preferred embodiments of this utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of this utility model, but they should not be construed as limiting the scope of protection of this utility model.

[0024] Reference Figure 1 , Figure 2 , Figure 3 and Figure 5This utility model describes a valve plate for a knife valve, comprising: a valve plate housing 1; a throttling groove 5 inside the valve plate housing 1; a flow-blocking panel 2 penetrating inside the throttling groove 5; a sealing block 6 tightly connected to the lower outer surface of the throttling groove 5 and the upper outer surface of the flow-blocking panel 2; a fixing bolt 7 threadedly connected to the interiors of the throttling groove 5, the flow-blocking panel 2, and the sealing block 6; a valve stem mounting through hole 15 inside the valve plate housing 1; and a fixing pin mounting through hole 17 penetrating inside the valve stem mounting through hole 15. Sealing strip 2 and sealing strip 3 are fixedly connected to the side surface of flow panel 2, and valve plate tip 14 is fixedly connected to the lower outer surface of flow throttling panel 2; valve plate housing 1 is provided with valve stem mounting through hole 2 16 and valve stem mounting through hole 3 18 inside; sealing strip 1 is fixedly connected to the lower outer surface of valve plate housing 1, and throttling groove 5 is fixedly connected to the side surface of sealing strip 1 3; valve plate housing 1 is provided with valve stem mounting through hole 4 19 inside, and fixing pin mounting through hole 20 passes through the inside of valve stem mounting through hole 4 19.

[0025] Specifically, during use, the valve plate housing 1 securely connects the throttling panel 2 and the sealing block 6 using fixing bolts 1-7, 2-8, 3-9, 4-10, 5-11, and 6-12. Valve stem mounting through holes 1-15, 2-16, 3-18, and 4-19 provide a secure connection for valve stem installation. Furthermore, the valve stem is securely locked using fixing pin mounting through holes 1-17 and 2-20.

[0026] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 The valve plate housing 1 has a through hole 17 for mounting a fixing pin and a through hole 20 for mounting a fixing pin through it; the throttling groove 5, the flow-stopping panel 2 and the sealing block 6 are all threadedly connected with fixing bolts 10, 11, and 12; the throttling groove 5, the flow-stopping panel 2 and the sealing block 6 are all threadedly connected with fixing bolts 8 and 9; the valve plate housing 1 is provided with positioning grooves 21, 22 and 23 respectively.

[0027] Specifically, fixing bolts 7, 8, 9, 10, 11, and 12 provide a uniform planar connection for the installation of the intercepting panel 2, preventing deformation due to uneven stress. Ultimately, the upper and lower ends of the device are no longer fixed with simple sealant, resulting in a more robust structure. At the same time, the upper and lower ends can be disassembled in sections, avoiding overall replacement and saving resources. The connecting shaft has been equipped with a fixing groove and a fixing pin through hole, resulting in a more stable connection.

[0028] Working principle: During use, the valve plate housing 1 is securely connected to the throttling panel 2 and the sealing block 6 by fixing bolts 1-7, 2-8, 3-9, 4-10, 5-11 and 6-12. Valve stem mounting through holes 1-15, 2-16, 3-18 and 4-19 provide a secure connection for valve stem installation. The valve stem is then securely locked by fixing pin mounting through holes 1-17 and 2-20. Ultimately, the upper and lower ends of the device are no longer fixed with simple sealant, resulting in a more robust structure. The upper and lower ends can be disassembled in sections, avoiding overall replacement and saving resources. The connecting shaft has added fixing grooves and fixing pin through holes, resulting in a more stable connection.

[0029] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings. However, this utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this utility model.

Claims

1. A valve plate for a knife valve, characterized in that, include: The valve plate housing (1) has a throttling groove (5) inside. A flow-blocking panel (2) passes through the inside of the throttling groove (5). A sealing block (6) is tightly connected to the lower outer surface of the throttling groove (5) and the upper outer surface of the flow-blocking panel (2). A fixing bolt (7) is threadedly connected to the inside of the throttling groove (5), the flow-blocking panel (2) and the sealing block (6). A valve stem mounting through hole (15) is provided inside the valve plate housing (1). A fixing pin mounting through hole (17) passes through the inside of the valve stem mounting through hole (15). A sealing strip (4) and a sealing strip (13) are fixedly connected to the side surface of the flow-blocking panel (2). A valve plate tip (14) is fixedly connected to the lower outer surface of the flow-blocking panel (2).

2. The valve plate for the knife valve according to claim 1, characterized in that, The valve plate housing (1) is provided with valve stem mounting through hole two (16) and valve stem mounting through hole three (18).

3. The valve plate for the knife valve according to claim 1, characterized in that, A sealing strip (3) is fixedly connected to the lower outer surface of the valve plate housing (1), and a throttling groove (5) is fixedly connected to the side surface of the sealing strip (3).

4. The valve plate for the knife valve according to claim 1, characterized in that, The valve plate housing (1) has a valve stem mounting through hole four (19) inside, and a fixing pin mounting through hole two (20) passes through the valve stem mounting through hole four (19).

5. The valve plate for the knife valve according to claim 1, characterized in that, The valve plate housing (1) has a through hole 1 (17) and a through hole 2 (20) for fixing pin installation.

6. The valve plate for the knife valve according to claim 1, characterized in that, The throttling groove (5), the intercepting panel (2) and the sealing block (6) are all threadedly connected with fixing bolts four (10), five (11) and six (12).

7. The valve plate for the knife valve according to claim 1, characterized in that, The throttling groove (5), the intercepting panel (2) and the sealing block (6) are all internally threaded with fixing bolts two (8) and three (9).

8. The valve plate for the knife valve according to claim 1, characterized in that, The valve plate housing (1) is provided with positioning groove one (21), positioning groove two (22) and positioning groove three (23) respectively.

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