Gate valve flange convenient to fix

Abstract

The utility model discloses flange technical field, specifically is a kind of gate valve flange convenient to fix, the utility model discloses a flange body, the inside equidistance of flange body is equipped with positioning hole, and the right side of flange body is provided with valve body pipe orifice, the outside of valve body pipe orifice is provided with convenient to fix mechanism;The convenient to fix mechanism includes the third sealing ring of being set in the inside left side of valve body pipe orifice.The utility model discloses by setting convenient to fix mechanism, flange can be firmly installed in the outside of valve body pipe orifice, it is convenient to install and dismount, it is convenient to maintain flange;Sealing connection mechanism is simultaneously provided, the flange of the outside of valve body pipe orifice and the flange of the pipeline orifice that need to be connected can be firmly sealed and connected, the gap of leakage when fluid circulation can be avoided;In addition, filter mechanism is provided, detachable filter screen is provided in the inside of flange, impurity in the fluid in valve body interior can be intercepted by filter screen, the situation that valve body appears to be effectively avoided to be blocked.

Description

Technical Field

[0001] This utility model relates to the field of flange technology, specifically a gate valve flange that is easy to fix. Background Technology

[0002] A gate valve flange is a connection method for gate valves, which achieves a detachable and sealed connection between the valve body and the pipeline through a flange (an annular disc with bolt holes).

[0003] Generally, flanges are welded to the valve body and pipe opening, making it impossible to fix them at the valve body and pipe opening. This makes them difficult to disassemble and separate, and maintenance is inconvenient. In addition, the connection between flanges and pipes is usually poor, which can lead to the risk of fluid leakage. Utility Model Content

[0004] The purpose of this invention is to provide a gate valve flange that is easy to fix, so as to solve the problems in the prior art.

[0005] The objective of this utility model can be achieved through the following technical solutions:

[0006] A gate valve flange that is easy to fix includes a flange body, wherein positioning holes are equally spaced inside the flange body, and a valve body port is provided on the right side of the flange body, and a fixing mechanism is provided on the outside of the valve body port.

[0007] The facilitating fixing mechanism includes a third sealing ring disposed inside the left side of the valve body port. The inner side of the third sealing ring is tightly fitted to the right side of the flange body. The left end of the valve body port is tightly fitted to the right side of the flange body. A locking block is installed at an equal angle on the right side of the flange body. The locking block is externally engaged with a locking groove, which is opened at an equal angle inside the fixing block. A locking pin is symmetrically installed front and back in the middle of the right side of the flange body. A cylindrical groove is externally engaged with the locking pin, which is symmetrically opened front and back in the middle of the fixing block. A threaded sleeve is threadedly connected to the right side of the locking pin. The threaded sleeve is rotatably disposed inside the support block. The support block is fixedly installed on the right end of the fixing block.

[0008] Preferably, the flange body is provided with a sealing connection mechanism inside and outside. The sealing connection mechanism includes a sealing groove opened inside the left side of the flange body, and a first sealing ring is provided inside the sealing groove.

[0009] Preferably, an installation ring is symmetrically and rotatably mounted on the outside of the flange body, a second sealing ring is provided on the inner side of the installation ring, the second sealing ring is tightly fitted to the outer side of the left end of the flange body, and a screw is provided on the inner side of the upper side of the installation ring.

[0010] Preferably, the flange body is provided with a filtration mechanism, which includes a filter screen disposed inside the flange body.

[0011] Preferably, a first limiting block is tightly fitted to the right side of the filter screen, the first limiting block is fixedly disposed at an equal angle on the inner side of the flange body, and a second limiting block is disposed to the left side of the first limiting block.

[0012] Preferably, the second limiting block is tightly fitted to the left side of the filter screen, and the second limiting block is slidably connected to the inner side of the flange body.

[0013] Preferably, a spring is fixedly connected to the outer side of the second limiting block, a flange body is fixedly connected to the outer side of the spring, and a protective hose is provided on the outer side of the spring.

[0014] The beneficial effects of this utility model are:

[0015] 1. This utility model, by setting up a convenient fixing mechanism, can firmly install the flange on the outside of the valve body pipe opening, which facilitates its installation and disassembly, and makes it convenient for flange maintenance;

[0016] 2. By setting a sealing connection mechanism, this utility model can make the flange on the outside of the valve body port and the flange of the pipe port to be connected firmly sealed, which can prevent leakage gaps during fluid flow.

[0017] 3. This utility model incorporates a filtration mechanism with a removable filter screen inside the flange. The filter screen can intercept impurities in the fluid entering the valve body, effectively preventing blockage of the valve body. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] Figure 1 This is a perspective view of the flange structure of this utility model;

[0020] Figure 2 This is a perspective structural diagram of the flange body, valve body, pipe port, and connection mechanism of this utility model.

[0021] Figure 3 This is a schematic diagram of the flange sealing connection mechanism of this utility model;

[0022] Figure 4 This is a schematic diagram of the flange filter mechanism of this utility model;

[0023] Figure 5 This is a schematic diagram of the flange fixing mechanism of this utility model;

[0024] Figure 6 This is a perspective structural diagram of the flange locking block, locking pin, and locking groove connection of this utility model.

[0025] The attached figures are labeled as follows:

[0026] 1. Flange body; 2. Positioning hole; 3. Sealing connection mechanism; 31. Sealing groove; 32. First sealing ring; 33. Mounting ring; 34. Second sealing ring; 35. Screw; 4. Filtering mechanism; 41. Filter screen; 42. First limiting block; 43. Second limiting block; 44. Spring; 45. Protective hose; 5. Valve body port; 6. Easy fixing mechanism; 61. Engaging block; 62. Engaging pin; 63. Engaging groove; 64. Cylindrical groove; 65. Fixing block; 66. Threaded sleeve; 67. Support block; 68. Third sealing ring. Detailed Implementation

[0027] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] To address the problems existing in the prior art, this embodiment provides the following technical solution: a gate valve flange that is easy to fix, comprising a flange body 1 and a valve body port 5. A fixing mechanism 6 is provided on the outer side of the valve body port 5, which allows the flange body 1 to be firmly fixed to the left side of the valve body port 5. A sealing connection mechanism 3 is also provided, located on both the inner and outer sides of the flange body 1, which enhances the sealing between the flange body 1 and the pipe flange, preventing leakage during fluid transmission. Furthermore, a filter mechanism 4 is provided inside the flange body 1, which filters the fluid entering the valve body, intercepting impurities carried in the fluid and effectively preventing blockage of the valve body during fluid transmission.

[0029] like Figure 1 , Figure 5 and Figure 6 As shown, the valve body port 5 is located on the outside of the valve body for fluid flow. A flange body 1 is installed on the outside of the valve body port 5 to facilitate the fixed connection with the flange of the connecting pipe. By placing the flange body 1 on the left side of the valve body port 5 and then moving it to the right, it can be inserted into the left side of the valve body port 5. A third sealing ring 68 is set inside the left side of the valve body port 5. The right side of the flange body 1 can be inserted into the inside of the third sealing ring 68. The third sealing ring 68 can enhance the sealing of the connection between the valve body port 5 and the flange body 1.

[0030] Meanwhile, a locking block 61 is installed at an equal angle on the right side of the flange body 1, and a locking pin 62 is fixedly installed symmetrically in the middle. When the flange body 1 is inserted into the left side of the valve body port 5, the locking block 61 can be locked into the locking groove 63 opened at an equal angle inside the fixing block 65 fixedly installed on the outside of the valve body port 5. The locking pin 62 will be firmly locked into the cylindrical groove 64 opened symmetrically in the middle of the fixing block 65. By installing a support block 67 symmetrically in the left side of the fixing block 65, and rotatably installing a threaded sleeve 66 inside the support block 67, when the locking pin 62 is locked into the cylindrical groove 64, its right side will be located on the left side of the threaded sleeve 66. Then, by rotating the threaded sleeve 66, the threaded sleeve 66 can be threadedly connected to the right side of the locking pin 62, so that the flange body 1 can be firmly fixedly installed on the left side of the valve body port 5.

[0031] like Figure 1 and Figure 3 As shown, after the flange body 1 is installed on the outside of the valve body port 5, it needs to be connected to the flange between the pipe and the flange. A sealing groove 31 is opened on the left side inside the flange body 1, and a first sealing ring 32 is set inside the sealing groove 31. When the flange body 1 is connected to the flange between the pipe and the flange, the left side of the first sealing ring 32 will be inserted into the inside of the pipe flange, which can enhance the sealing of the internal connection of the flange. After the flange is connected, the bolts can be inserted into the inside of the positioning holes 2 opened at equal angles inside the flange, and then tightened to fix it, so that the flange body 1 and the pipe flange are firmly fixed together. At the same time, the flange A mounting ring 33 is symmetrically rotated on the outer left side of the flange body 1. A second sealing ring 34 is provided on the inner side of the mounting ring 33. That is, after the flange body 1 is connected to the pipe flange, by rotating the mounting ring 33 on the outer left side of the flange body 1 inward, and using the screw 35 to limit the upper side of the mounting ring 33, the mounting ring 33 can be firmly installed at the joint between the flange body 1 and the pipe flange. The second sealing ring 34 is provided inside the mounting ring 33. The second sealing ring 34 can fit with the flange joint, which can further enhance the sealing performance of the connection between the flanges.

[0032] like Figure 1 and Figure 4As shown, when fluid flows inside the valve body for a long time, impurities carried by it will adhere to the inner wall of the valve body, which can lead to blockage over time. Therefore, a filter screen 41 is installed inside the flange body 1. The filter screen 41 filters the fluid entering the valve body and effectively intercepts impurities, preventing blockage. A first limiting block 42 is tightly fitted to the right side of the filter screen 41 at an equal angle. The first limiting block 42 is fixedly installed inside the flange body 1. Simultaneously, a second limiting block 43 is provided on the left side of the flange body 1. The second limiting block 43 is slidably positioned... The filter screen 41 is placed inside the flange body 1. The spring 44 is fixedly connected to the inside of the second limiting block 43. The inside of the spring 44 is fixedly connected to the inside of the flange body 1. Furthermore, a protective hose 45 is provided on the outside of the spring 44 for protection. That is, when it is necessary to disassemble and clean the filter screen 41, both the spring 44 and the protective hose 45 can extend and retract, so that the second limiting block 43 can be pushed inward to separate it from the left side of the filter screen 41. The filter screen 41 can then be taken out from the inside of the flange body 1 for cleaning. In other words, the filter screen 41 is easy to install and remove, which greatly improves the portability of cleaning it.

[0033] The working principle of this easy-to-fix gate valve flange is as follows: By setting an easy-to-fix mechanism 6 on the outside of the valve body port 5, the flange body 1 can be firmly fixed on the outside of the valve body port 5. The flange body 1 is easy to disassemble and install, which facilitates its maintenance. At the same time, a sealing connection mechanism 3 is set on the inside and outside of the flange body 1, which can enhance the sealing performance of the flange body 1 and the pipeline flange connection and prevent fluid leakage. In addition, a filter mechanism 4 is set inside the flange body 1. The filter screen 41 can filter impurities in the fluid, which can effectively prevent the valve body from becoming blocked. Furthermore, the filter screen 41 is easy to disassemble and install, which facilitates its cleaning.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. 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.

Claims

1. A gate valve flange that is easy to fix, characterized in that: Includes a flange body (1), wherein positioning holes (2) are provided at equal intervals inside the flange body (1), and a valve body port (5) is provided on the right side of the flange body (1), and a fixing mechanism (6) is provided on the outside of the valve body port (5). The facilitating fixing mechanism (6) includes a third sealing ring (68) disposed inside the left side of the valve body port (5). The inner side of the third sealing ring (68) is tightly fitted with the right side of the flange body (1). The left end of the valve body port (5) is tightly fitted with the right side of the flange body (1). A locking block (61) is installed at an equal angle on the right side of the flange body (1). The locking block (61) is externally connected to a locking groove (63). The locking groove (63) is opened at an equal angle. Inside the fixed block (65), on the right side of the flange body (1), there are symmetrically installed locking pins (62). The locking pins (62) are connected to cylindrical grooves (64) on the outside. The cylindrical grooves (64) are symmetrically opened in the middle of the fixed block (65). The right side of the locking pins (62) is threadedly connected to a threaded sleeve (66). The threaded sleeve (66) is rotatably set inside the support block (67). The support block (67) is fixedly installed on the right end of the fixed block (65).

2. The gate valve flange for easy fixing according to claim 1, characterized in that, The flange body (1) is provided with a sealing connection mechanism (3) inside and outside. The sealing connection mechanism (3) includes a sealing groove (31) opened inside the left side of the flange body (1). A first sealing ring (32) is provided inside the sealing groove (31).

3. A gate valve flange that is easy to fix according to claim 2, characterized in that, The flange body (1) is symmetrically mounted with an installation ring (33) on its exterior. A second sealing ring (34) is provided on the inner side of the installation ring (33). The second sealing ring (34) is tightly fitted to the outer side of the left end of the flange body (1). A screw (35) is provided on the inner side of the upper side of the installation ring (33).

4. A gate valve flange that is easy to fix according to claim 3, characterized in that, The flange body (1) is provided with a filter mechanism (4), which includes a filter screen (41) disposed inside the flange body (1).

5. A gate valve flange that is easy to fix according to claim 4, characterized in that, The filter screen (41) is tightly fitted with a first limiting block (42) on the right side. The first limiting block (42) is fixedly set at an equal angle on the inner side of the flange body (1). A second limiting block (43) is set on the left side of the first limiting block (42).

6. A gate valve flange that is easy to fix according to claim 5, characterized in that, The second limiting block (43) is tightly fitted to the left side of the filter screen (41), and the second limiting block (43) is slidably connected to the inner side of the flange body (1).

7. A gate valve flange that is easy to fix according to claim 6, characterized in that, A spring (44) is fixedly connected to the outside of the second limiting block (43), a flange body (1) is fixedly connected to the outside of the spring (44), and a protective hose (45) is provided on the outside of the spring (44).

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