Mechanical sealing structure with sealing ring convenient to replace

Abstract

The utility model discloses a mechanical seal structure with a seal ring convenient to replace, which belongs to the technical field of seal rings and comprises two main body pipes and a seal module, the seal module comprises a first flange plate and a second flange plate, and the first flange plate and the second flange plate are fixedly connected to adjacent ends of the two main body pipes respectively. The first flange plate and the second flange plate are attached to each other, the multiple connecting assemblies are arranged between the first flange plate and the second flange plate, and through the arrangement of the connecting assemblies, the connecting rod, the sealing assembly and the pressing assembly, all the connecting assemblies do not need to be disassembled, and the two main body pipes do not need to be separated; the sealing assembly can be disassembled and replaced only by slightly rotating part of the connecting assembly, operation is simpler, convenience and efficiency of replacement operation are improved, and replacement time is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sealing ring, more specifically, relate to a kind of mechanical seal structure of sealing ring convenient replacement. BACKGROUND

[0002] Flange, also called flange flange or lug. Flange is the connecting part between shaft and shaft, used for the connection between pipe ends;Also used on the flange of equipment inlet and outlet, for the connection between two devices, such as reducer flange. Flange connection or flange joint is a kind of combined sealing structure, which is connected by flange, gasket and bolt as a group, and currently, in pipe connection, rubber sealing ring is usually arranged between flanges, which is a common and effective sealing method, widely used in various pipe systems and equipment connection.

[0003] According to the search, the flange sealing assembly with patent number CN219013625U has a first sealing end face, a second sealing end face, a first sealing end face and a second sealing end face, and the first flange and the second flange are coaxially arranged;The first sealing end face is provided with an annular convex part, and the second sealing end face is provided with a mirror image symmetrically distributed relative convex part, and the metal sealing element is located between the annular convex part and the relative convex part, which improves the reliability of high vacuum pipeline sealing, avoids the loosening and leakage of sealing connection in vibration environment, and reduces the maintenance cost.

[0004] For the related technology in the above, the current flange sealing element is usually provided with a sealing ring inside when connected, to improve the sealing performance, and after a long time of use, the sealing ring usually ages, and after aging, the staff needs to replace it, and in the prior art, the bolt parts need to be completely removed, the pipeline is separated, then the sealing ring is removed and replaced, and after replacement, the pipeline is reconnected and the bolt parts are installed, the overall operation is too cumbersome, and when a large number of sealing rings need to be replaced, it is not conducive to the operation of the staff, it takes more time, affects the overall replacement efficiency and the use of pipeline, therefore, we propose a kind of mechanical seal structure of sealing ring convenient replacement. UTILITY MODEL CONTENTS

[0005] In order to solve the above problems, the utility model provides a kind of mechanical seal structure of sealing ring convenient replacement, adopts the following technical scheme:

[0006] The utility model provides a kind of mechanical seal structure of conveniently replacing sealing ring, including two main body pipes and sealing module, the sealing module includes first flange and second flange, the first flange and second flange are respectively fixedly connected in the adjacent one end of two main body pipes, the first flange and second flange mutually adhere, a plurality of connecting components are provided between the first flange and second flange, one of the main body pipe and the side of second flange between fixedly connected with a plurality of link rods, sealing assembly is provided between the first flange and second flange, the inside of the sealing assembly is provided with compression assembly, a plurality of connecting components are evenly divided into two groups, and the compression assembly is connected with one group of connecting components.

[0007] Further, the sealing assembly includes an engagement ring groove opened on one side of the first flange, a convex groove is opened in the inside of the second flange, the convex groove is matched with the engagement ring groove, and a convex split sealing ring is movably connected between the inside of the engagement ring groove and the convex groove.

[0008] Further, the sealing assembly further includes a meshing groove opened at one end of the convex split sealing ring, the other end of the convex split sealing ring is fixedly connected with a meshing block, and the meshing block is movably connected in the inside of the meshing groove.

[0009] Further, the inside wall of the meshing groove and the outer surface of the meshing block are provided with glue, and the inside wall of the meshing groove and the outer surface of the meshing block are connected by the glue.

[0010] Further, the connecting component includes a connecting bolt movably inserted between the first flange and the second flange, and a nut is threadedly connected to the outer surface of the connecting bolt.

[0011] Further, the compression assembly includes a compression plate movably connected in the inside of the convex groove, the compression plate abuts against the convex split sealing ring, a plurality of clamping grooves are opened on the side of the compression plate away from the convex split sealing ring, the compression assembly further includes a plurality of sleeving blocks, the sleeving blocks are rotatably connected to one side of the nut, a plurality of insertion rods are fixedly connected to the outer surfaces of the sleeving blocks, and one end of the plurality of insertion rods is movably inserted into the plurality of clamping grooves.

[0012] Further, the sealing module further includes a reinforcing disc, and the reinforcing disc is fixedly connected between the outer surfaces of the plurality of link rods.

[0013] In summary, the utility model includes the following beneficial technical effects:

[0014] (1) The utility model discloses a little rotation part connection assembly can realize the dismounting and replacement of sealing assembly, operation is simpler, and the convenience and efficiency of replacement operation are improved, and the replacement time is saved.

[0015] (2) The utility model discloses a little rotation part connection assembly can realize the dismounting and replacement of sealing assembly, operation is simpler, and the convenience and efficiency of replacement operation are improved, and the replacement time is saved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the whole structure schematic diagram of the utility model;

[0018] Figure 3 It is the whole structure schematic diagram of the utility model; Figure 2 It is the whole structure schematic diagram of the utility model;

[0019] Figure 4 It is the whole structure schematic diagram of the utility model;

[0020] Figure 5 It is the whole structure schematic diagram of the utility model;

[0021] Mark explanation in drawing:

[0022] 100, main body pipe;

[0023] 200, sealing module;210, first flange plate;220, connection assembly;221, connecting bolt;222, nut;230, link rod;240, sealing assembly;241, link ring groove;242, convex slot;243, convex split seal ring;244, engagement groove;245, engagement block;250, compression assembly;251, compression plate;252, clamping groove;253, sleeving block;254, insertion rod;260, reinforcing disc;270, second flange plate. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model;Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and all other embodiments obtained by the person skilled in the art without creative labor based on the embodiments in the utility model belong to the protection scope of the utility model.

[0025] In the description of the utility model, it is explained that, the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it is explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeving / connection", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] The following will be described in detail in combination with the accompanying drawings Figures 1-5 The utility model will be further described in detail.

[0028] Please refer to Figures 1-5 A mechanical seal structure convenient to replace sealing ring, including two main body pipe 100 and sealing module 200, sealing module 200 includes first flange plate 210 and second flange plate 270, first flange plate 210 and second flange plate 270 are fixedly connected at the adjacent one end of two main body pipe 100 respectively, first flange plate 210 and second flange plate 270 mutually adhere, a plurality of connecting assemblies 220 are arranged between first flange plate 210 and second flange plate 270, a plurality of link rods 230 are fixedly connected between one main body pipe 100 and the side of second flange plate 270, sealing assembly 240 is arranged between first flange plate 210 and second flange plate 270, compression assembly 250 is arranged in the inside of sealing assembly 240, a plurality of connecting assemblies 220 are divided into two groups evenly, and compression assembly 250 is connected with one group of connecting assemblies 220.

[0029] When the sealing assembly 240 needs to be replaced, the connecting assembly 220 of the rotating part is rotated, so that the connecting assembly 220 of the part is unlocked from the compression assembly 250, then the compression assembly 250 is taken out, the sealing assembly 240 is taken out from between the first flange plate 210 and the second flange plate 270 and cut off, after the taking-out is completed, the worker replaces the new sealing assembly 240 into the first flange plate 210 and the second flange plate 270, and then the compression assembly 250 is put back, and the compression assembly 250 is fixed again through the connecting assembly 220, so that the structure does not need to disassemble all the connecting assemblies 220 and does not need to separate the two main pipes 100, and only needs to slightly rotate the connecting assembly 220 to realize the disassembly of the sealing assembly 240, and the operation is simpler.

[0030] The sealing assembly 240 comprises an adapter ring groove 241 opened on one side of the first flange plate 210, and a convex groove 242 is opened in the inside of the second flange plate 270, the convex groove 242 is matched with the adapter ring groove 241, a convex split sealing ring 243 is movably clamped between the inside of the adapter ring groove 241 and the convex groove 242, the sealing assembly 240 further comprises an engagement groove 244 opened at one end of the convex split sealing ring 243, the other end of the convex split sealing ring 243 is fixedly connected with an engagement block 245, the engagement block 245 is movably clamped in the inside of the engagement groove 244, and glue is arranged between the inner wall of the engagement groove 244 and the outer surface of the engagement block 245, and the engagement groove 244 and the engagement block 245 are connected by the glue.

[0031] The convex split sealing ring 243 is taken out from between the inside of the adapter ring groove 241 and the convex groove 242 and cut off, after the taking-out is completed, the worker replaces the new sealing assembly 240 into between the adapter ring groove 241 and the convex groove 242, the engagement block 245 is clamped into the engagement groove 244, and the engagement groove 244 and the engagement block 245 are connected by the glue, so that the disassembly and installation of the convex split sealing ring 243 can be realized.

[0032] The connecting assembly 220 comprises a connecting bolt 221 movably inserted between the first flange plate 210 and the second flange plate 270, the outer surface of the connecting bolt 221 is threadedly connected with a nut 222, the compression assembly 250 comprises a compression plate 251 movably clamped in the inside of the convex groove 242, the compression plate 251 abuts against the convex split sealing ring 243, a plurality of clamping grooves 252 are opened on the side of the compression plate 251 away from the convex split sealing ring 243, the compression assembly 250 further comprises a plurality of sleeving blocks 253, the sleeving blocks 253 are rotatably connected with one side of the nut 222, the outer surfaces of the plurality of sleeving blocks 253 are fixedly connected with a plurality of inserting rods 254, and one end of each of the plurality of inserting rods 254 is movably inserted into the inside of each of the plurality of clamping grooves 252.

[0033] The nut 222 connected with the sleeving block 253 of the rotating part is rotated to make the insertion rod 254 withdrawn from the clamping groove 252, so that the fixing of the pressing plate 251 is released, the insertion rod 254 is rotated outward to make the one end of the insertion rod 254 away from the pressing plate 251, after the replacement of the convex split seal ring 243 is completed, the pressing plate 251 is put back into the convex groove 242, the one end of the insertion rod 254 is rotated back, and the one end of the insertion rod 254 is inserted into the clamping groove 252 through the rotation of the nut 222 to fix the pressing plate 251.

[0034] The sealing module 200 further comprises a reinforcing disc 260 fixedly connected between the outer surfaces of the plurality of connecting rods 230.

[0035] The plurality of connecting rods 230 can be reinforced and the overall stability can be improved through the arrangement of the reinforcing disc 260.

[0036] The implementation principle of the utility model embodiment is that when the convex split seal ring 243 needs to be replaced, the nut 222 connected with the sleeving block 253 of the rotating part is rotated to make the insertion rod 254 withdrawn from the clamping groove 252, so that the fixing of the pressing plate 251 is released, the insertion rod 254 is rotated outward to make the one end of the insertion rod 254 away from the pressing plate 251, then the clamping groove 252 is taken out of the convex groove 242, the convex split seal ring 243 is taken out of the space between the connecting ring groove 241 and the convex groove 242 and is cut, after the taking out is completed, a worker replaces a new sealing assembly 240 into the space between the connecting ring groove 241 and the convex groove 242, the engaging block 245 is clamped into the engaging groove 244, the engaging groove 244 and the engaging block 245 are connected through glue, the pressing plate 251 is put back into the convex groove 242, the one end of the insertion rod 254 is rotated back, and the one end of the insertion rod 254 is inserted into the clamping groove 252 through the rotation of the nut 222 to fix the pressing plate 251, so that the structure does not need to disassemble all the connecting assemblies 220 and does not need to separate the two main pipes 100, only needs to slightly rotate part of the connecting assemblies 220 to realize the disassembly of the sealing assembly 240, the operation is simpler, the convenience and efficiency of the replacement operation are improved, and the replacement time is saved.

[0037] The above are preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A mechanical seal structure with a seal ring convenient to replace, comprising two main body pipes (100) and a seal module (200), characterized in that: The sealing module (200) comprises a first flange plate (210) and a second flange plate (270), the first flange plate (210) and the second flange plate (270) are fixedly connected at the adjacent end of the two main pipes (100) respectively, the first flange plate (210) and the second flange plate (270) are attached to each other, a plurality of connecting assemblies (220) are arranged between the first flange plate (210) and the second flange plate (270), a plurality of connecting rods (230) are fixedly connected between one of the main pipes (100) and one side of the second flange plate (270), a sealing assembly (240) is arranged between the first flange plate (210) and the second flange plate (270), a pressing assembly (250) is arranged in the sealing assembly (240), the plurality of connecting assemblies (220) are evenly divided into two groups, and the pressing assembly (250) is connected with one of the connecting assemblies (220).

2. The mechanical seal structure of claim 1, wherein: The sealing assembly (240) comprises an adapter ring groove (241) formed in one side of the first flange plate (210), a convex groove (242) is formed in the inside of the second flange plate (270), the convex groove (242) is matched with the adapter ring groove (241), and a convex split sealing ring (243) is movably clamped between the inside of the adapter ring groove (241) and the convex groove (242).

3. The mechanical seal structure of claim 2, wherein: The sealing assembly (240) further comprises an engagement groove (244) formed in one end of the convex split sealing ring (243), the other end of the convex split sealing ring (243) is fixedly connected with an engagement block (245), and the engagement block (245) is movably clamped in the inside of the engagement groove (244).

4. The mechanical seal structure of claim 3, wherein: Glue is arranged between the inner wall of the engagement groove (244) and the outer surface of the engagement block (245), and the engagement groove (244) and the engagement block (245) are adhesively connected by the glue.

5. The mechanical seal structure of claim 4, wherein: The connecting assembly (220) comprises a connecting bolt (221) movably inserted between the first flange plate (210) and the second flange plate (270), and the outer surface of the connecting bolt (221) is threadedly connected with a nut (222).

6. The mechanical seal structure of claim 5, wherein: The pressing assembly (250) comprises a pressing plate (251) movably clamped in the inside of the convex groove (242), the pressing plate (251) abuts against the convex split sealing ring (243), a plurality of clamping grooves (252) are formed in the side of the pressing plate (251) away from the convex split sealing ring (243), the pressing assembly (250) further comprises a plurality of sleeving blocks (253), the sleeving blocks (253) are rotatably connected with one side of the nut (222), the outer surfaces of the plurality of sleeving blocks (253) are fixedly connected with a plurality of insertion rods (254), and one end of each of the plurality of insertion rods (254) is movably inserted into the inside of each of the plurality of clamping grooves (252).

7. The mechanical seal structure of claim 6, wherein: The sealing module (200) further comprises a reinforcing disc (260), and the reinforcing disc (260) is fixedly connected between the outer surfaces of the plurality of connecting rods (230).

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