Quick replacement device for valve sealing element

Abstract

The utility model provides a quick replacement device for a valve sealing element, relates to the technical field of a sealing element replacement device, and aims to solve the problems that the existing sealing element is usually directly and manually mounted and dismounted in the replacement process, but the annular form of the sealing element is not easy to maintain in the manual mounting process, so that the sealing element is not easy to mount in place in the mounting process, and the replacement efficiency is high. The sealing device comprises a conveying assembly, a sealing assembly and a sealing assembly, a sealing assembly is arranged in the conveying assembly; and a replacement assembly is arranged outside the conveying assembly. By arranging the circular-ring-shaped protrusion on the outer wall of the retaining ring and forming the butt joint inner groove in the inner wall of the sealing ring body, butt joint treatment of the retaining ring and the sealing ring body is facilitated, the sealing ring body is in an annular shape through the retaining ring, and the sealing ring body is clamped in an external connection port in a direct pushing mode in the installation process; the flowing of the flowing position is not influenced, and the normal deformation of the sealing ring body is not influenced.

Description

Technical Field

[0001] The utility model belongs to the technical field of sealing component replacement devices, and more specifically, relates to a valve sealing component quick replacement device. Background Art

[0002] Valves are control components in fluid delivery systems, with functions such as shutoff, regulation, diversion, backflow prevention, pressure stabilization, diversion or overflow pressure relief. Valves are mainly used in chemical plants, coal chemical industry, and petrochemical industry. The seal is a component installed between the valve and the delivery pipe. After being squeezed, it deforms to block the gap between the valve and the delivery pipe to maintain the sealing of the two and avoid leakage of the delivered fluid. In order to facilitate the replacement of the seal, a replacement device is required.

[0003] Based on the findings in the prior art, the existing seals are mainly annular and have plasticity, so they are usually installed and disassembled directly by hand during the replacement process. However, it is not easy to maintain the annular shape of the seal during manual installation, making it difficult to install it in place during the installation process, thereby affecting its sealing during operation. Utility Model Content

[0004] In order to solve the above technical problems, the embodiments of the present disclosure relate to a valve seal quick replacement device to solve the problem that the existing seals are mainly annular and have plasticity, so that they are usually installed and disassembled directly by hand during the replacement process, but it is difficult to maintain the annular shape of the seal during manual installation, making it difficult to install it in place during the installation process, thereby affecting its sealing during operation.

[0005] In a first aspect of the present disclosure, a valve seal quick replacement device is provided, which is achieved by the following specific technical means:

[0006] A quick replacement device for valve seals, comprising: a conveying assembly; the conveying assembly includes an external port; a sealing assembly is provided inside the conveying assembly, and the sealing assembly includes a retaining ring, an external extraction groove and a sealing ring body; the retaining ring is inserted in the external port, and the sealing ring body is inserted in the external port; the sealing ring body is arranged as a circular ring structure, and the sealing ring body is sleeved on the outside of the retaining ring; a replacement assembly is provided on the outside of the conveying assembly, and the replacement assembly includes a docking block, an adjustment groove, an extrusion block and an external extraction frame; the docking block is inserted into the inside of the external port, and the external extraction frame is inserted in the external extraction groove; the external extraction frame is arranged as an L-shaped frame, and two groups of circular through holes are provided on the external extraction frame, and there are two groups of external extraction frames in total, the two groups of external extraction frames are respectively slidably connected in the two groups of adjustment grooves, and the two groups of external extraction frames are respectively fixed to the outer walls of the two groups of extrusion blocks.

[0007] At least in some embodiments, the delivery assembly includes a valve body; the valve body is provided with two sets of external ports, and an annular retaining ring is provided inside the external ports.

[0008] At least in some embodiments, the retaining ring is configured as a circular ring structure, and two groups of circular ring-shaped protrusions with different diameters are provided on the outer wall of the retaining ring; the external grooves are configured as rectangular grooves, and there are four groups of external grooves, which are equidistantly arranged on the large-diameter circular ring-shaped protrusions of the retaining ring.

[0009] At least in some embodiments, the sealing assembly further includes a docking inner groove; the docking inner groove is configured as an annular groove, the docking inner groove is opened on the inner wall of the sealing ring body, and a small-diameter annular protrusion of the retaining ring is inserted into the docking inner groove.

[0010] At least in some embodiments, the docking block is configured as a hexagonal prism structure, and a cylindrical protrusion is provided on the docking block; the adjustment groove is configured as an L-shaped groove, and a circular through hole is provided on the top of the adjustment groove, and two groups of cylindrical rods are provided in the adjustment groove, and the two groups of adjustment grooves are respectively opened inside the docking block.

[0011] At least in some embodiments, the extrusion block is configured as a rectangular block structure, a cylindrical rod is provided on the extrusion block, a cylindrical protrusion is provided on the cylindrical rod of the extrusion block, a spring is provided on the extrusion block, and two groups of extrusion blocks are respectively slidably connected in the adjustment groove.

[0012] The valve seal quick replacement device proposed in this utility model has the following beneficial effects:

[0013] 1. A retaining ring and a sealing ring body are provided. By providing an annular protrusion on the outer wall of the retaining ring and providing a docking groove on the inner wall of the sealing ring body, the two can be easily docked. The sealing ring body is kept in an annular shape by the retaining ring, and is stuck in the external connection port by a straight push during the installation process. When the retaining ring and the sealing ring body are connected, the flow at the flow position is not affected, and the normal deformation of the sealing ring body is not affected, so that normal use is convenient.

[0014] 2. An extrusion block and an external pull-out frame are provided. By opening an adjustment groove inside the docking block, the extrusion block and the external pull-out frame are conveniently installed, making it easy to adjust the two. The external pull-out frame is fixed to the extrusion block, so that the two can be adjusted synchronously. It is convenient to adjust the distance between the two sets of external pull-out frames by squeezing the extrusion block, and it is convenient to insert the external pull-out frame into the retaining ring, so that it is convenient to disassemble the frame while inserting it into the external pull-out groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional assembly structure of the utility model.

[0016] Figure 2 It is a partial cutaway structural schematic diagram of the present utility model.

[0017] Figure 3 The utility model is Figure 2 Schematic diagram of the enlarged structure of part A.

[0018] Figure 4 It is a schematic diagram of the exploded structure of the present utility model.

[0019] Figure 5 It is a schematic diagram of the exploded structure of the utility model when viewed from above.

[0020] Figure 6 It is a schematic diagram of the assembly structure of the sealing component and the replacement component of the utility model.

[0021] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0022] 1. Conveying assembly; 101. Valve body; 102. External port; 2. Sealing assembly; 201. Retaining ring; 202. External extraction groove; 203. Sealing ring body; 204. Docking inner groove; 3. Replacement assembly; 301. Docking block; 302. Adjustment groove; 303. Extrusion block; 304. External extraction frame. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples.

[0024] Example 1: As shown in the attached Figure 1 To the attached Figure 6As shown: The utility model provides a valve seal quick replacement device, comprising: a conveying component 1; the conveying component 1 includes an external port 102; a sealing component 2 is provided inside the conveying component 1, and the sealing component 2 includes a retaining ring 201, an external groove 202 and a sealing ring body 203; the retaining ring 201 is inserted into the external port 102, and the sealing ring body 203 is inserted into the external port 102; the sealing ring body 203 is set as a circular ring structure, and the sealing ring body 203 is sleeved on the outside of the retaining ring 201; the sealing ring body 203 is used to be fixed to the inside of the external port 102 through the retaining ring 201, so as to facilitate the maintenance of the sealing between the external port 102 and the external conveying pipe; the conveying component 1 A replacement assembly 3 is provided on the outside, and the replacement assembly 3 includes a docking block 301, an adjustment groove 302, an extrusion block 303 and an external pull-out frame 304; the docking block 301 is inserted into the inside of the external port 102, and the external pull-out frame 304 is inserted into the external pull-out groove 202; the external pull-out frame 304 is configured as an L-shaped frame, and two groups of circular through holes are provided on the external pull-out frame 304. There are two groups of external pull-out frames 304, and the two groups of external pull-out frames 304 are respectively slidably connected to the two groups of adjustment grooves 302, and the two groups of external pull-out frames 304 are respectively fixed to the outer walls of the two groups of extrusion blocks 303; the external pull-out frame 304 is used to be stuck in the external pull-out groove 202 under the drive of the docking block 301, so as to facilitate the removal of the sealing assembly 2 by external pulling.

[0025] Example 2: Based on Example 1, Figure 5 As shown, the delivery assembly 1 includes a valve body 101; the valve body 101 is provided with two sets of external ports 102, and the external ports 102 are provided with annular retaining rings inside; the external ports 102 are used to connect to external delivery pipelines.

[0026] In the embodiment of the present disclosure, Figure 3 and Figure 6 As shown, the retaining ring 201 is set to a circular ring structure, and two groups of circular ring-shaped protrusions of different diameters are provided on the outer wall of the retaining ring 201; the retaining ring 201 is used to maintain the annular state of the sealing ring body 203 to facilitate installation; the outer groove 202 is set to a rectangular groove, and there are four groups of outer grooves 202, and the four groups of outer grooves 202 are equidistantly opened on the large-diameter circular ring-shaped protrusions of the retaining ring 201; the outer groove 202 is used to dock with the outer frame 304, which is convenient for dismantling the sealing assembly 2; the sealing assembly 2 also includes a docking inner groove 204; the docking inner groove 204 is set to a circular ring groove, and the docking inner groove 204 is opened on the inner wall of the sealing ring body 203, and the small-diameter circular ring-shaped protrusion of the retaining ring 201 is inserted into the docking inner groove 204; the docking inner groove 204 is used to assist the retaining ring 201 in docking with the sealing ring body 203, so as to facilitate the overall stability.

[0027] In the embodiment of the present disclosure, Figure 2 and Figure 3As shown, the docking block 301 is set as a hexagonal prism structure, and a cylindrical protrusion is provided on the docking block 301; the docking block 301 is used to assist in installing and fixing other structures of the replacement component 3 to facilitate maintaining the overall stability of the replacement component 3; the adjustment groove 302 is set as an L-shaped groove, and a circular through hole is provided on the top of the adjustment groove 302. Two groups of cylindrical rods are provided in the adjustment groove 302, and the two groups of adjustment grooves 302 are respectively opened inside the docking block 301; the adjustment groove 302 is used to assist in aligning the extrusion block 303 with the outer The stability of the pull-out frame 304 facilitates the adjustment of the two; the extrusion block 303 is set to a rectangular block structure, the extrusion block 303 is provided with a cylindrical rod, the cylindrical rod of the extrusion block 303 is provided with a cylindrical protrusion, the extrusion block 303 is provided with a spring, and the two groups of extrusion blocks 303 are respectively slidably connected in the adjustment groove 302; the extrusion block 303 is used to drive the external pull-out frame 304 for adjustment, so as to facilitate the control of the external pull-out frame 304 to be stuck in the external pull-out groove 202, so as to assist in the external pull-out of the sealing assembly 2.

[0028] The specific usage and function of this embodiment are as follows:

[0029] In the present invention, during assembly, the sealing ring body 203 is placed on the outside of the retaining ring 201, and then the sealing assembly 2 is clamped inside the external port 102 by pushing horizontally. Then, the external port 102 is connected to the external delivery pipe, so that the valve body 101 cooperates with the external delivery pipe to transport the fluid material.

[0030] During replacement, the external port 102 is separated from the external delivery pipe, and then the two groups of extrusion blocks 303 are squeezed. After the two groups of extrusion blocks 303 are subjected to force, the external pull-out frame 304 is driven to adjust in the adjustment groove 302, so that the distance between the two groups of external pull-out frames 304 is reduced. Then, the replacement component 3 is inserted into the external port 102 as a whole. After the two groups of external pull-out frames 304 pass through the retaining ring 201 and the sealing ring body 203, the extrusion blocks 303 are released, and the external pull-out frame 304 is reset under the action of the spring and is stuck in the external pull-out groove 202, so that the sealing component 2 can be removed as a whole by external pulling, which is convenient for replacement.

[0031] In this article, there are several points to note:

[0032] 1. The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure. Other structures may refer to conventional designs.

[0033] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to form new embodiments.

[0034] The above are only specific embodiments of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A valve seal quick replacement device, comprising: A conveying assembly (1); the conveying assembly (1) includes an external port (102); the characteristic is that: a sealing assembly (2) is provided inside the conveying assembly (1), and the sealing assembly (2) includes a retaining ring (201), an external groove (202) and a sealing ring body (203); the retaining ring (201) is inserted into the external port (102), and the sealing ring body (203) is inserted into the external port (102); the sealing ring body (203) is configured as a circular ring structure, and the sealing ring body (203) is sleeved on the outside of the retaining ring (201); a replacement assembly ( 3), and the replacement component (3) includes a docking block (301), an adjustment groove (302), an extrusion block (303) and an external pull-out frame (304); the docking block (301) is inserted into the interior of the external connection port (102), and the external pull-out frame (304) is inserted into the external pull-out groove (202); the external pull-out frame (304) is configured as an L-shaped frame, and two groups of circular through holes are provided on the external pull-out frame (304). There are two groups of external pull-out frames (304) in total, and the two groups of external pull-out frames (304) are respectively slidably connected to the two groups of adjustment grooves (302), and the two groups of external pull-out frames (304) are respectively fixed to the outer walls of the two groups of extrusion blocks (303).

2. A valve seal quick replacement device according to claim 1, characterized in that: The conveying assembly (1) comprises a valve body (101); the valve body (101) is provided with two groups of external ports (102), and an annular retaining ring is provided inside the external ports (102).

3. The valve seal quick replacement device according to claim 1, characterized in that: The retaining ring (201) is configured as a circular ring structure, and two groups of circular ring-shaped protrusions with different diameters are provided on the outer wall of the retaining ring (201); the external grooves (202) are configured as rectangular grooves, and there are four groups of external grooves (202) in total. The four groups of external grooves (202) are respectively and equidistantly arranged on the large-diameter circular ring-shaped protrusions of the retaining ring (201).

4. The valve seal quick replacement device according to claim 1, characterized in that: The sealing assembly (2) further comprises a docking inner groove (204); the docking inner groove (204) is configured as an annular groove, the docking inner groove (204) is provided on the inner wall of the sealing ring body (203), and a small-diameter annular protrusion of the retaining ring (201) is inserted into the docking inner groove (204).

5. The valve seal quick replacement device according to claim 1, characterized in that: The docking block (301) is configured as a hexagonal prism structure, and a cylindrical protrusion is provided on the docking block (301); the adjustment groove (302) is configured as an L-shaped groove, and a circular through hole is provided at the top of the adjustment groove (302). Two groups of cylindrical rods are provided in the adjustment groove (302), and the two groups of adjustment grooves (302) are respectively opened inside the docking block (301).

6. The valve seal quick replacement device according to claim 1, characterized in that: The extrusion block (303) is configured as a rectangular block structure. A cylindrical rod is provided on the extrusion block (303). A cylindrical protrusion is provided on the cylindrical rod of the extrusion block (303). A spring is provided on the extrusion block (303). Two groups of extrusion blocks (303) are respectively slidably connected in the adjustment groove (302).

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