Composite sealing gasket and using method thereof

Abstract

The invention discloses a composite sealing gasket and a using method thereof, and belongs to the technical field of sealing gaskets. The upper cushion plate is movably inserted into the lower cushion plate; the sealing gasket is movably inserted between the lower cushion plate and the upper cushion plate; the number of the inserting plates is three, the three inserting plates are fixedly connected into the upper pad disc, and inserting holes are formed in the side ends of the three inserting plates; according to the sealing gasket, the inserting blocks are clamped into the inserting holes through the elastic effect of the springs, the lower cushion plate and the upper cushion plate are conveniently installed and fixed in a clamping mode, the lower cushion plate and the upper cushion plate are installed in the clamping mode, and therefore the sealing gasket can be conveniently detached; therefore, the device is convenient to replace, and the service life of the device is prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of sealing gaskets, and more specifically, to a composite sealing gasket and a method for using the same. Background Art

[0002] Sealing gaskets are a kind of sealing accessories used in machinery, equipment, pipelines, and any place where there is fluid. They are mainly used for sealing flange connections between pipelines and play a sealing role. Sealing gaskets are made of metal or non-metallic plate materials through cutting, stamping or cutting processes.

[0003] Some patent documents related to composite sealing gaskets are disclosed in the prior art. A Chinese patent with application number CN201720205997.3 discloses a composite sealing gasket, which solves the problem that the positioning hole of the sealing gasket sometimes cannot be aligned with the connecting hole of the flange, which not only fails to achieve the positioning effect, but also affects the positioning accuracy. Therefore, the sealing gasket with ears has a narrow application range. The key points of its technical solution are: a composite sealing gasket, including a metal ring, a sliding groove with an opening on the side of the metal ring, an ear piece is arranged in the sliding groove, the ear piece includes a sliding bar slidably connected to the sliding groove and a positioning part connected to the sliding bar, a tension spring is arranged between the sliding groove and the sliding bar to make the sliding bar have a tendency to move toward the bottom of the sliding groove, and the ear portion is adjustable and can be used for sealing at the connection of flanges of various models.

[0004] In the above patent, the gasket is not easy to disassemble, and the internal gasket is difficult to replace when damaged, which affects its use effect. For this reason, we propose a composite sealing gasket and a method for using the same. Summary of the invention

[0005] Technical issues to be solved In view of the problems existing in the prior art, the purpose of the present invention is to provide a composite sealing gasket and a method for using the same. The present invention clamps the plug block in the socket through the elastic action of a spring, and the lower gasket and the upper gasket are conveniently installed and fixed by the clamping method. The lower gasket and the upper gasket are installed by the clamping method, which facilitates the disassembly of the sealing gasket, thereby facilitating its replacement and optimizing its service life.

[0006] Technical Solution To solve the above problems, the present invention adopts the following technical solutions: A composite sealing gasket and a method of using the same, comprising: Lower plate; An upper pad, the upper pad being movably plugged into the lower pad; A sealing gasket, the sealing gasket is movably inserted between the lower gasket and the upper gasket; The plug boards are provided in three numbers, the three plug boards are all fixedly connected to the upper pad, and the side ends of the three plug boards are all provided with plug holes; The fixing mechanism is arranged in the lower pad and is connected with the three jacks.

[0007] As a preferred solution of the present invention, the fixing mechanism includes a linkage assembly and three groups of fixing assemblies, the linkage assembly and the three groups of fixing assemblies are both arranged on the lower pad, and the linkage assembly and the three groups of fixing assemblies are connected.

[0008] As a preferred solution of the present invention, each group of the fixing components includes a support seat, a spring, a cross plate and an insert block. The support seat is fixedly connected in the lower pad, the springs are provided in two, and the two springs are fixedly connected to the side ends of the support seat, the cross plate is fixedly connected to the other ends of the two springs, the insert block is fixedly connected to the side end of the cross plate, and the insert block is movably inserted into the socket.

[0009] As a preferred solution of the present invention, each group of the fixing components also includes a limiting hole and a limiting rod, and the limiting hole and the limiting rod are both set in two, the two limiting holes are both opened at the side ends of the horizontal plate, the two limiting rods are both fixedly connected to the side ends of the support seat, and the two limiting rods are slidably matched with the two limiting holes.

[0010] As a preferred solution of the present invention, the linkage assembly includes a rotating drum, a connecting rope, a large gear, a turning handle and a small gear. The rotating drum is rotatably connected in the lower pad, the connecting ropes are provided in three, one ends of the three connecting ropes are fixedly connected to the surface of the rotating drum, and the other ends of the three connecting ropes are fixedly connected to three horizontal plates, the large gear is fixedly connected to the surface of the rotating drum, the turning handle is rotatably connected in the lower pad, the small gear is fixedly connected to the surface of the turning handle, and the small gear is meshed with the large gear.

[0011] As a preferred solution of the present invention, an annular groove is provided at the bottom of the lower pad, and a sealing ring is movably inserted in the annular groove.

[0012] As a preferred solution of the present invention, the sealing ring is located at the bottom of the handle.

[0013] As a preferred solution of the present invention, four through holes are provided on the surfaces of the lower pad and the upper pad, second slots are provided in the lower pad and the upper pad, second plug rings are movably inserted in two of the second slots, four second plug rings are fixedly connected to the surfaces of the second plug rings, four connecting parts are fixedly connected to the surfaces of the four second plug rings, and the four connecting parts are snap-connected to the four through holes.

[0014] As a preferred solution of the present invention, a first slot is provided on the lower pad, a first insert ring is fixedly connected to the bottom of the upper pad, and the first insert ring is movably inserted into the first slot.

[0015] A method for using a composite sealing gasket comprises the following steps: S1. First, remove the sealing ring from the ring groove, and then use the tool to rotate the handle, the rotation of the handle drives the small gear to rotate, the rotation of the small gear drives the large gear to rotate, the rotation of the large gear drives the drum to rotate, the rotation of the drum simultaneously pulls the three connecting ropes to move, the movement of the connecting ropes simultaneously pulls the three cross plates to move inward, the movement of the cross plates compresses the spring, and the movement of the cross plates drives the plug block to move inward, so that the plug block is removed from the socket, and then the plug plate can be taken out from the lower pad, and then the upper pad can be removed from the lower pad; S2. After the upper gasket is removed, the sealing gasket can be inserted into the lower gasket. After the sealing gasket is plugged in, the upper gasket can be re-covered on the lower gasket, and then the plug-in board can be inserted into the lower gasket. The plug-in board can be fixed by the plug-in hole and the plug-in block. The plug-in block is plugged into the plug-in hole by the elastic action of the spring. The lower gasket and the upper gasket can be easily installed and fixed by the plug-in method. S3. After the lower pad and the upper pad are assembled, the sealing ring can be clamped in the ring groove, so as to hide the handlebar and prevent the handlebar from being rotated.

[0016] Beneficial Effects Compared with the prior art, the advantages of the present invention are: (1) In this scheme, when the sealing gasket needs to be removed, the sealing ring is first removed from the ring groove, and then the handle is rotated by a tool. The rotation of the handle drives the small gear to rotate, and the rotation of the small gear drives the large gear to rotate, and the rotation of the large gear drives the rotating drum to rotate. The rotation of the rotating drum simultaneously pulls the three connecting ropes to move, and the movement of the connecting ropes simultaneously pulls the three cross plates to move inward. The movement of the cross plates compresses the spring, and the movement of the cross plates drives the plug block to move inward, so that the plug block is removed from the socket. At this time, the plug plate can be taken out from the lower gasket, and then the upper gasket can be removed from the lower gasket, so as to facilitate the replacement of the sealing gasket.

[0017] (2) In this solution, the ring groove is provided to facilitate the engagement with the sealing ring. The engagement between the ring groove and the sealing ring facilitates hiding the handlebar to prevent the handlebar from being rotated.

[0018] (3) In this solution, the through hole is provided to facilitate the connection with the connecting piece, and the connecting piece is convenient for mounting the lower pad and the upper pad on the external equipment by cooperating with the bolts.

[0019] (4) In this solution, the second slot is provided to accommodate the second insert ring, and the second insert ring facilitates sealing between the lower plate and the upper plate.

[0020] (5) In this solution, the first slot is provided for easy insertion with the first insert ring, and the insertion with the first slot and the first insert ring facilitates the sealing of the lower gasket and the upper gasket. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a main perspective view of the present invention; Figure 2 A bottom-up stereogram of the present invention; Figure 3 is a cross-sectional view of the present invention; Figure 4 is a first exploded view of the present invention; Figure 5 is a second exploded view of the present invention; Figure 6 It is a schematic diagram of the fixing mechanism of the present invention; Figure 7 It is a schematic diagram of the linkage assembly of the present invention; Figure 8 It is an exploded view of the fixing assembly of the present invention.

[0022] Description of the numbers in the figure: 1. Lower plate; 2. Upper plate; 3. Sealing gasket; 4. First slot; 5. First plug ring; 6. Second slot; 7. Through hole; 8. Second plug ring; 9. Connector; 10. Ring groove; 11. Sealing ring; 12. Plug plate; 13. Plug hole; 14. Support seat; 15. Spring; 16. Horizontal plate; 17. Plug block; 18. Limit hole; 19. Limit rod; 20. Rotating drum; 21. Connecting rope; 22. Large gear; 23. Turning handle; 24. Small gear. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Example: See also Figure 1-8 , a composite sealing gasket and a method of using the same, comprising: Lower plate 1; The upper pad 2 is movably plugged into the lower pad 1; A sealing gasket 3, which is movably inserted between the lower gasket 1 and the upper gasket 2; The plug boards 12 are provided in three numbers, and the three plug boards 12 are all fixedly connected to the upper pad 2, and the side ends of the three plug boards 12 are all provided with plug holes 13; The fixing mechanism is arranged in the lower plate 1 and is engaged with the three insertion holes 13 .

[0025] In the present embodiment, the upper gasket 2 is for the convenience of combination with the lower gasket 1, the sealing gasket 3 is for the convenience of sealing the pipe fitting, and the plug plate 12 is for the convenience of fixing with the upper gasket 2. The plug plate 12 is used to open a plug hole 13, and the upper gasket 2 and the lower gasket 1 are conveniently installed and fixed by clamping the plug hole 13 and the fixing mechanism. The present invention clamps the plug block 17 in the plug hole 13 through the elastic action of the spring 15, and the lower gasket 1 and the upper gasket 2 are conveniently installed and fixed by clamping. The lower gasket 1 and the upper gasket 2 are installed by clamping, which makes it convenient to disassemble the sealing gasket 3, thereby facilitating its replacement and optimizing its service life.

[0026] Specifically, the fixing mechanism includes a linkage assembly and three groups of fixing assemblies. The linkage assembly and the three groups of fixing assemblies are all arranged on the lower pad 1, and the linkage assembly and the three groups of fixing assemblies are connected.

[0027] In this embodiment, the fixing mechanism includes a linkage assembly and three groups of fixing assemblies. The linkage assembly and the three groups of fixing assemblies are all arranged on the lower pad 1, and the linkage assembly and the three groups of fixing assemblies are connected.

[0028] Specifically, each set of fixing components includes a support seat 14, a spring 15, a cross plate 16 and an insert block 17. The support seat 14 is fixedly connected to the lower plate 1. Two springs 15 are provided. Both springs 15 are fixedly connected to the side ends of the support seat 14. The cross plate 16 is fixedly connected to the other ends of the two springs 15. The insert block 17 is fixedly connected to the side end of the cross plate 16, and the insert block 17 is movably inserted into the socket 13.

[0029] In this embodiment, the support seat 14 is for facilitating the fixing of the spring 15. The position of the cross plate 16 is fixed by the elastic action of the spring 15, and the plug block 17 is fixed by fixing the cross plate 16, so that the plug block 17 is snapped into the socket 13, and the upper pad 2 is installed and fixed by snapping the plug block 17 and the socket 13.

[0030] Specifically, each set of fixing components also includes a limiting hole 18 and a limiting rod 19. The limiting hole 18 and the limiting rod 19 are both set in number. The two limiting holes 18 are both opened at the side ends of the cross plate 16. The two limiting rods 19 are both fixedly connected to the side ends of the support seat 14, and the two limiting rods 19 are slidably matched with the two limiting holes 18.

[0031] In this embodiment, the limiting hole 18 is provided for the purpose of slidingly cooperating with the limiting rod 19 . The sliding cooperation between the limiting hole 18 and the limiting rod 19 facilitates the stable movement of the cross plate 16 .

[0032] Specifically, the linkage assembly includes a rotating drum 20, a connecting rope 21, a large gear 22, a turning handle 23 and a small gear 24. The rotating drum 20 is rotatably connected in the lower pad 1. The connecting ropes 21 are provided in three numbers. One end of the three connecting ropes 21 are fixedly connected to the surface of the rotating drum 20, and the other ends of the three connecting ropes 21 are fixedly connected to the three cross plates 16. The large gear 22 is fixedly connected to the surface of the rotating drum 20, the turning handle 23 is rotatably connected in the lower pad 1, the small gear 24 is fixedly connected to the surface of the turning handle 23, and the small gear 24 is meshed with the large gear 22.

[0033] In this embodiment, the handle 23 is rotated by a tool, the small gear 24 is rotated by the rotation of the handle 23, the large gear 22 is rotated by the rotation of the small gear 24, the rotating drum 20 is rotated by the rotation of the large gear 22, the three connecting ropes 21 are moved simultaneously by the rotation of the rotating drum 20, and the three horizontal plates 16 are moved inward simultaneously by the movement of the connecting ropes 21.

[0034] Specifically, an annular groove 10 is formed at the bottom of the lower pad 1 , and a sealing ring 11 is movably inserted into the annular groove 10 .

[0035] In this embodiment, the annular groove 10 is provided for the purpose of being snap-fitted with the sealing ring 11 . The snap-fitted connection between the annular groove 10 and the sealing ring 11 facilitates hiding the turning handle 23 to prevent the turning handle 23 from being rotated.

[0036] Specifically, the sealing ring 11 is located at the bottom of the turning handle 23 .

[0037] In this embodiment, the sealing ring 11 is located at the bottom of the turning handle 23 .

[0038] Specifically, four through holes 7 are provided on the surfaces of the lower pad 1 and the upper pad 2, and second slots 6 are provided in the lower pad 1 and the upper pad 2. Second plug rings 8 are movably inserted in the two second slots 6, and four second plug rings 8 are fixedly connected to the surfaces of the second plug rings 8. Four connecting parts 9 are fixedly connected to the surfaces of the four second plug rings 8, and the four connecting parts 9 are clamped with the four through holes 7.

[0039] In this embodiment, the through hole 7 is provided to facilitate the connection with the connecting member 9. The connecting member 9 facilitates the installation of the lower pad 1 and the upper pad 2 on the external device by cooperating with the bolts. The second slot 6 is provided to facilitate the accommodation of the second plug ring 8. The second plug ring 8 facilitates the sealing of the lower pad 1 and the upper pad 2.

[0040] Specifically, a first slot 4 is provided on the lower pad 1 , and a first insert ring 5 is fixedly connected to the bottom of the upper pad 2 . The first insert ring 5 is movably inserted into the first slot 4 .

[0041] In this embodiment, the first slot 4 is provided for the convenience of plugging with the first plug ring 5 . The plugging of the first slot 4 and the first plug ring 5 facilitates the sealing of the lower pad 1 and the upper pad 2 .

[0042] A method for using a composite sealing gasket comprises the following steps: S1. First, remove the sealing ring 11 from the ring groove 10, and then use a tool to rotate the handle 23, and the rotation of the handle 23 drives the small gear 24 to rotate, and the rotation of the small gear 24 drives the large gear 22 to rotate, and the rotation of the large gear 22 drives the rotating drum 20 to rotate, and the three connecting ropes 21 are pulled to move by the rotation of the rotating drum 20, and the three cross plates 16 are pulled to move inward by the movement of the connecting ropes 21, and the spring 15 is compressed by the movement of the cross plate 16, and the cross plate 16 moves while driving the plug block 17 to move inward, so that the plug block 17 is removed from the insertion hole 13, and the plug plate 12 can be taken out from the lower pad 1 at this time, and then the upper pad 2 can be removed from the lower pad 1; S2. After the upper pad 2 is disassembled, the sealing gasket 3 can be inserted into the lower pad 1. After the sealing gasket 3 is inserted, the upper pad 2 can be re-covered on the lower pad 1, and then the plug plate 12 is inserted into the lower pad 1. The plug plate 12 can be fixed by the clamping connection between the plug hole 13 and the plug block 17. The plug block 17 is clamped into the plug hole 13 by the elastic action of the spring 15. The lower pad 1 and the upper pad 2 are conveniently installed and fixed by the clamping method; S3. After the lower pad 1 and the upper pad 2 are assembled, the sealing ring 11 can be snapped into the annular groove 10, so as to hide the turning handle 23 and prevent the turning handle 23 from being rotated.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and improved concepts of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. A composite sealing gasket, characterized in that: include: Lower plate (1); An upper pad (2), the upper pad (2) being movably plugged onto the lower pad (1); A sealing gasket (3), the sealing gasket (3) being movably inserted between the lower gasket (1) and the upper gasket (2); A plug board (12), wherein three of the plug boards (12) are provided, the three plug boards (12) are all fixedly connected to the upper pad (2), and the side ends of the three plug boards (12) are all provided with plug holes (13); A fixing mechanism is arranged in the lower pad (1), and the fixing mechanism is snap-connected with the three insertion holes (13).

2. A composite sealing gasket according to claim 1, characterized in that: The fixing mechanism comprises a linkage component and three groups of fixing components, the linkage component and the three groups of fixing components are both arranged on the lower pad (1), and the linkage component and the three groups of fixing components are connected.

3. A composite sealing gasket according to claim 2, characterized in that: Each group of the fixing components comprises a support seat (14), a spring (15), a transverse plate (16) and an insert block (17); the support seat (14) is fixedly connected to the lower pad (1); two springs (15) are provided, and the two springs (15) are fixedly connected to the side ends of the support seat (14); the transverse plate (16) is fixedly connected to the other ends of the two springs (15); the insert block (17) is fixedly connected to the side ends of the transverse plate (16), and the insert block (17) is movably inserted into the insertion hole (13).

4. A composite sealing gasket according to claim 3, characterized in that: Each group of the fixing components further comprises a limiting hole (18) and a limiting rod (19), wherein the limiting hole (18) and the limiting rod (19) are both provided in two numbers, the two limiting holes (18) are both opened at the side ends of the transverse plate (16), the two limiting rods (19) are both fixedly connected to the side ends of the support seat (14), and the two limiting rods (19) are slidably matched with the two limiting holes (18).

5. A composite sealing gasket according to claim 4, characterized in that: The linkage assembly comprises a rotating drum (20), a connecting rope (21), a large gear (22), a turning handle (23) and a small gear (24); the rotating drum (20) is rotatably connected to the lower pad (1); three connecting ropes (21) are provided, one end of each of the three connecting ropes (21) is fixedly connected to the surface of the rotating drum (20), and the other ends of the three connecting ropes (21) are fixedly connected to three horizontal plates (16); the large gear (22) is fixedly connected to the surface of the rotating drum (20); the turning handle (23) is rotatably connected to the lower pad (1); the small gear (24) is fixedly connected to the surface of the turning handle (23), and the small gear (24) is meshed with the large gear (22).

6. A composite sealing gasket according to claim 5, characterized in that: An annular groove (10) is provided at the bottom of the lower pad (1), and a sealing ring (11) is movably inserted into the annular groove (10).

7. A composite sealing gasket according to claim 6, characterized in that: The sealing ring (11) is located at the bottom of the turning handle (23).

8. The composite sealing gasket according to claim 7, characterized in that: The surfaces of the lower pad (1) and the upper pad (2) are each provided with four through holes (7); the lower pad (1) and the upper pad (2) are each provided with a second slot (6); two second slots (6) are movably inserted with second insert rings (8); the surfaces of the second insert rings (8) are fixedly connected with four second insert rings (8); the surfaces of the four second insert rings (8) are fixedly connected with four connecting members (9); and the four connecting members (9) are snap-fitted with the four through holes (7).

9. A composite sealing gasket according to claim 8, characterized in that: The lower pad (1) is provided with a first slot (4), the bottom of the upper pad (2) is fixedly connected with a first insert ring (5), and the first insert ring (5) is movably inserted into the first slot (4).

10. A method for using a composite sealing gasket, characterized in that: Using the composite sealing gasket described in claim 9, comprising the following steps: S1. First, remove the sealing ring (11) from the annular groove (10), then rotate the handle (23) with a tool, and the rotation of the handle (23) drives the small gear (24) to rotate, and the rotation of the small gear (24) drives the large gear (22) to rotate, and the rotation of the large gear (22) drives the rotating drum (20) to rotate, and the three connecting ropes (21) are pulled to move simultaneously by the rotation of the rotating drum (20), and the three cross plates (16) are pulled to move inwardly by the movement of the connecting ropes (21), and the spring (15) is compressed by the movement of the cross plate (16), and the cross plate (16) moves while driving the plug block (17) to move inwardly, so that the plug block (17) is removed from the insertion hole (13), and then the plug plate (12) can be taken out from the lower pad (1), and then the upper pad (2) can be removed from the lower pad (1); S2. After the upper pad (2) is removed, the sealing gasket (3) can be inserted into the lower pad (1). After the sealing gasket (3) is inserted, the upper pad (2) can be re-covered on the lower pad (1). Then, the plug plate (12) can be inserted into the lower pad (1). The plug plate (12) can be fixed by snapping the plug hole (13) and the plug block (17). The plug block (17) can be snapped into the plug hole (13) by the elastic action of the spring (15). The lower pad (1) and the upper pad (2) can be easily installed and fixed by snapping. S3. After the lower pad (1) and the upper pad (2) are assembled, the sealing ring (11) can be snapped into the annular groove (10), thereby facilitating the hiding of the turning handle (23) to prevent the turning handle (23) from being rotated.

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