Rubber valve seat convenient to disassemble

Abstract

The utility model belongs to the technical field of rubber valve seats, and particularly relates to a rubber valve seat convenient to disassemble, which comprises a first rubber valve seat, the rear end of the first rubber valve seat is abutted against a second rubber valve seat, a disassembling assembly is arranged in the first rubber valve seat and comprises a pressing rod, the pressing rod is slidably connected in the first rubber valve seat, and the second rubber valve seat is arranged in the first rubber valve seat. Two supporting frames are fixedly connected to the periphery of the pressing rod, connecting rods are rotationally connected to the sides, away from each other, of the two supporting frames, sliding frames are rotationally connected to the other ends of the two connecting rods, and sliding rods are fixedly connected to the ends, away from the connecting rods, of the two sliding frames. The pressing rod is pressed down, and the sliding rod is driven by the connecting rod, so that the sliding rod is not clamped in the bolt any more, the first rubber valve seat and the second rubber valve seat are not attached together any more and can be quickly detached from the two sides, and the replacement efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber valve seats, in particular to a rubber valve seat which is easy to disassemble. Background Art

[0002] Rubber valve seats are components used in valve systems, mainly used to seal and support various parts of the valve. They are usually part of the inside of the valve and play a key sealing role to ensure that the valve does not leak liquid or gas when it is closed or opened.

[0003] The prior art has the following defects or problems: the prior art has a publication number of CN202252023U, which discloses a butterfly valve rubber seat, which is composed of a convex rubber ring, a convex rib, a through hole, a sealing rib and a concave groove; the valve seat as a whole is a ring shape matching the valve body of the butterfly valve, the outer circle of the valve seat is provided with a convex rubber ring, which is inlaid with the valve body on one side, the two side planes of the valve seat are respectively provided with two convex ribs, and the inner ring of the valve seat is radially corresponding to two through holes; the inner end face of the through hole is spherical, the inner wall of the through hole is provided with two sealing ribs, and the outer end face of the backrest through hole is provided with a concave groove; the valve seat is made of rubber material, and the valve seat backrest adopts a two-semicircular structure; the technical problems that can be solved by the utility model are: the valve seat backrest adopts a two-semicircular structure, the axial positioning is good, and the backrest and the valve body are more matched; the two side planes of the valve seat are respectively provided with two convex ribs, which strengthen the sealing effect of the valve seat and the flange; the sealing of the two sealing ribs on the inner wall of the through hole and the valve stem is more guaranteed.

[0004] The above-mentioned equipment cannot quickly remove the rubber valve seat from the butterfly valve during use, which makes maintenance and replacement inconvenient, increases downtime and maintenance costs.

[0005] It should be noted that the above content belongs to the technical knowledge of the inventor and does not necessarily constitute prior art. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a rubber valve seat that is easy to disassemble, thereby solving the existing problems.

[0007] To achieve the above object, the utility model provides the following technical solution: a rubber valve seat that is easy to disassemble, comprising a rubber valve seat 1, a rubber valve seat 2 is abutted at the rear end of the rubber valve seat 1, and a disassembly component is arranged inside the rubber valve seat 1;

[0008] The disassembly assembly includes a push rod, which is slidably connected to the inside of the rubber valve seat, and the outer periphery of the push rod is fixedly connected to two support frames, and the two support frames are rotatably connected to the connecting rod on one side away from each other, and the other ends of the two connecting rods are rotatably connected to the sliding frames, and the ends of the two sliding frames away from the connecting rod are fixedly connected to the sliding rod, and the inside of the rubber valve seat is fixedly connected to the fixing rod, and the outer periphery of the push rod is slidably connected to the outer periphery of the fixing rod, and the outer periphery of the fixing rod is sleeved with a spring;

[0009] The first rubber valve seat and the second rubber valve seat are provided with through holes therein, and the first rubber valve seat and the second rubber valve seat are both provided with quality reinforcement components therein.

[0010] As a preferred technical solution of the utility model, the mass reinforcement component includes a reinforcement layer, the reinforcement layer is fixedly connected to the inside of the rubber valve seat, the reinforcement layer is fixedly connected to a wear-resistant layer, and the wear-resistant layer is fixedly connected to a corrosion-resistant layer.

[0011] As a preferred technical solution of the utility model, the reinforcement layer is in contact with the wear-resistant layer, and the wear-resistant layer is in contact with the corrosion-resistant layer.

[0012] As a preferred technical solution of the utility model, two sliding rods are fixedly connected inside the rubber valve seat, and the two sliding rods are slidably connected to the outer peripheries of the two sliding rods respectively.

[0013] As a preferred technical solution of the utility model, the rear end of the rubber valve seat 1 is fixedly connected with a plurality of pins, the front end of the rubber valve seat 2 is provided with a plurality of slots, and the plurality of pins are slidably connected inside the plurality of slots respectively.

[0014] As a preferred technical solution of the present invention, the reinforcement layer is made of steel wire.

[0015] As a preferred technical solution of the utility model, the wear-resistant layer is made of fluororubber.

[0016] As a preferred technical solution of the utility model, the corrosion-resistant layer is made of polytetrafluoroethylene.

[0017] Compared with the prior art, the utility model provides a rubber valve seat that is easy to disassemble, and has the following beneficial effects:

[0018] 1. The rubber valve seat that is easy to disassemble, by pressing the push rod, drives the sliding rod through the connecting rod, so that the sliding rod is no longer stuck inside the latch, so that the rubber valve seat 1 and the rubber valve seat 2 are no longer attached together, and can be quickly removed from both sides, thereby improving the replacement efficiency, and when it needs to be installed, it is only necessary to press the push rod, align the latch with the slot for installation, so that the rubber valve seat 1 and the rubber valve seat 2 are attached together, and then release the push rod to complete the installation;

[0019] 2. The rubber valve seat that is easy to disassemble is provided with a reinforcement layer, a wear-resistant layer and a corrosion-resistant layer inside the rubber valve seat 1 and the rubber valve seat 2, thereby improving the quality, wear resistance and corrosion resistance of the rubber valve seat itself, thereby increasing the service life of the rubber valve seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the rubber valve seat 2 in the utility model;

[0022] Figure 3 It is a structural schematic diagram of the latch in the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the rubber valve seat 1 in the utility model;

[0024] Figure 5 It is a structural schematic diagram of the reinforcement layer in the utility model.

[0025] In the figure: 1. Rubber valve seat 1; 2. Rubber valve seat 2; 3. Slot; 4. Latch; 5. Push rod; 6. Support frame; 7. Connecting rod; 8. Sliding frame; 9. Sliding rod; 10. Sliding rod; 11. Fixed rod; 12. Spring; 13. Reinforcement layer; 14. Wear-resistant layer; 15. Corrosion-resistant layer; 16. Through hole. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1 - Figure 4 In this embodiment: a rubber valve seat that is easy to disassemble includes a rubber valve seat 1, a rubber valve seat 2 2 is abutted against the rear end of the rubber valve seat 1, and a disassembly component is arranged inside the rubber valve seat 1;

[0028] Specifically, the rubber valve seat 1 and the rubber valve seat 2 cooperate to seal and support the valve, and the disassembly assembly is used to quickly remove the rubber valve seat 1 and the rubber valve seat 2 from the valve.

[0029] The disassembly assembly includes a push rod 5, which is slidably connected to the inside of the rubber valve seat 1, and two support frames 6 are fixedly connected to the outer periphery of the push rod 5. The two support frames 6 are rotatably connected to the connecting rod 7 on the separated sides, and the other ends of the two connecting rods 7 are rotatably connected to the sliding frames 8, and the two sliding frames 8 are fixedly connected to the sliding rods 9 on the ends away from the connecting rods 7. A fixed rod 11 is fixedly connected to the inside of the rubber valve seat 1, and the outer periphery of the push rod 5 is slidably connected to the outer periphery of the fixed rod 11. A spring 12 is sleeved on the outer periphery of the fixed rod 11. Two sliding rods 10 are fixedly connected to the inside of the rubber valve seat 1, and the two sliding rods 9 are respectively slidably connected to the outer peripheries of the two sliding rods 10. A plurality of latches 4 are fixedly connected to the rear end of the rubber valve seat 1, and a plurality of slots 3 are provided at the front end of the rubber valve seat 2, and the plurality of latches 4 are respectively slidably connected to the inside of the plurality of slots 3;

[0030] Specifically, the push rod 5 is arranged inside the rubber valve seat 1, and is used to press the push rod 5 to drive the two support frames 6 to move. The support frame 6 is used to support the connecting rod 7. The connecting rod 7 is used to connect the support frame 6 to the sliding frame 8, so that the support frame 6 drives the sliding frame 8 to move. The sliding frame 8 is used to drive the sliding rod 9 to move. The sliding rod 9 is used to engage with the latch 4 on the rubber valve seat 2, thereby fixing the latch 4 inside the rubber valve seat 1. A sliding rod 10 is arranged inside the rubber valve seat 1 to provide a moving space for the sliding rod 9. A fixing rod 11 is arranged inside the rubber valve seat 1 to provide a sliding space for the push rod 5. A spring 12 is arranged on the periphery of the fixing rod 11 to reset the moving space of the push rod 5. A slot 3 is arranged on the rubber valve seat 1 to allow the latch 4 on the rubber valve seat 2 to enter the inside of the rubber valve seat 1 through the slot 3.

[0031] A through hole 16 is arranged inside the rubber valve seat 1 and the rubber valve seat 2 2 , and a mass reinforcement component is arranged inside the rubber valve seat 1 and the rubber valve seat 2 2 .

[0032] Specifically, a through hole 16 is provided inside the rubber valve seat 1 and the rubber valve seat 2, for providing a rotation space for the butterfly valve shaft, and the quality reinforcement component is used to enhance the quality of the rubber valve seat 1 and the rubber valve seat 2 2 themselves.

[0033] See also Figure 1 and Figure 5In this embodiment, the quality reinforcement component includes a reinforcement layer 13, the reinforcement layer 13 is fixedly connected to the inside of the rubber valve seat 1, a wear-resistant layer 14 is fixedly connected to the inside of the reinforcement layer 13, a corrosion-resistant layer 15 is fixedly connected to the inside of the wear-resistant layer 14, the reinforcement layer 13 and the wear-resistant layer 14 are fitted together, the wear-resistant layer 14 and the corrosion-resistant layer 15 are fitted together, the reinforcement layer 13 is made of steel wire, the wear-resistant layer 14 is made of fluororubber, and the corrosion-resistant layer 15 is made of polytetrafluoroethylene.

[0034] Specifically, a reinforcement layer 13 is arranged inside the rubber valve seat 1 and the rubber valve seat 2, and the strength of the internal body of the rubber valve seat 1 and the rubber valve seat 2 is increased by using steel wire. A wear-resistant layer 14 is arranged inside the rubber valve seat 1 and the rubber valve seat 2, and is made of fluororubber, so that the rubber valve seat 1 and the rubber valve seat 2 have better wear resistance. A corrosion-resistant layer 15 is arranged inside the rubber valve seat 1 and the rubber valve seat 2, and the corrosion-resistant layer 15 is made of polytetrafluoroethylene, so that the rubber valve seat 1 and the rubber valve seat 2 have better corrosion resistance.

[0035] The working principle and use process of the utility model are as follows: the operator presses the push rod 5 to press the push rod 5 into the inside of the rubber valve seat 1, thereby driving the support frame 6 to move. When the support frame 6 moves, it will drive the sliding frame 8 to move through the connecting rod 7. When the sliding frame 8 moves, it will drive the sliding rod 9 to move, so that the sliding rod 9 leaves the latch 4, and the rubber valve seat 1 and the rubber valve seat 2 can be separated, and the rubber valve seat 1 and the rubber valve seat 2 can be removed from both sides. When installing, first install the rubber valve seat 1 inside the valve body, and then align the latch 4 on the rubber valve seat 2 with the slot 3 of the rubber valve seat 1 to install it, and press the push rod 5 to make the sliding rod 9 enter the inside of the rubber valve seat 1 When the rubber valve seat 1 and the rubber valve seat 2 are completely fitted together, release the force on the push rod 5, so that the spring 12 releases the tension and resets the push rod 5, thereby inserting the sliding rod 9 into the inside of the latch 4, and the installation is completed. During use, the reinforcement layer 13 made of steel wire improves the inherent strength of the rubber valve seat 1 and the rubber valve seat 2 to prevent damage. The wear-resistant layer 14 made of fluororubber improves the wear resistance of the rubber valve seat 1 and the rubber valve seat 2 to prevent wear caused by the butterfly valve being opened and closed back and forth. The corrosion-resistant layer 15 made of polytetrafluoroethylene improves the corrosion resistance of the rubber valve seat 1 and the rubber valve seat 2 to prevent corrosion by the fluid in the pipeline and improve the service life.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A rubber valve seat that is easy to disassemble, comprising a rubber valve seat 1 (1), wherein the rear end of the rubber valve seat 1 (1) is abutted against a rubber valve seat 2 (2), and characterized in that: The rubber valve seat (1) is provided with a disassembly assembly inside; The disassembly assembly comprises a push rod (5), the push rod (5) is slidably connected to the inside of the rubber valve seat (1), the outer periphery of the push rod (5) is fixedly connected to two support frames (6), the two support frames (6) are rotatably connected to a connecting rod (7) on the separated sides, the other ends of the two connecting rods (7) are rotatably connected to a sliding frame (8), the ends of the two sliding frames (8) away from the connecting rod (7) are fixedly connected to a sliding rod (9), the inside of the rubber valve seat (1) is fixedly connected to a fixing rod (11), the outer periphery of the push rod (5) is slidably connected to the outer periphery of the fixing rod (11), and the outer periphery of the fixing rod (11) is sleeved with a spring (12); The rubber valve seat 1 (1) and the rubber valve seat 2 (2) are provided with through holes (16) inside, and the rubber valve seat 1 (1) and the rubber valve seat 2 (2) are both provided with mass reinforcement components inside.

2. The easily disassembled rubber valve seat according to claim 1, characterized in that: The mass reinforcement component comprises a reinforcement layer (13), wherein the reinforcement layer (13) is fixedly connected to the inside of the rubber valve seat (1), wherein a wear-resistant layer (14) is fixedly connected to the inside of the reinforcement layer (13), and wherein a corrosion-resistant layer (15) is fixedly connected to the inside of the wear-resistant layer (14).

3. The easily disassembled rubber valve seat according to claim 2, characterized in that: The reinforcement layer (13) is in contact with the wear-resistant layer (14), and the wear-resistant layer (14) is in contact with the corrosion-resistant layer (15).

4. The easily disassembled rubber valve seat according to claim 1, characterized in that: Two sliding rods (10) are fixedly connected inside the rubber valve seat (1), and the two sliding rods (9) are slidably connected to the outer peripheries of the two sliding rods (10) respectively.

5. The easily disassembled rubber valve seat according to claim 1, characterized in that: The rear end of the rubber valve seat 1 (1) is fixedly connected with a plurality of latches (4), the front end of the rubber valve seat 2 (2) is provided with a plurality of slots (3), and the plurality of latches (4) are respectively slidably connected inside the plurality of slots (3).

6. The easily disassembled rubber valve seat according to claim 2, characterized in that: The reinforcement layer (13) is made of steel wire.

7. The easily disassembled rubber valve seat according to claim 2, characterized in that: The wear-resistant layer (14) is made of fluororubber.

8. The easily disassembled rubber valve seat according to claim 2, characterized in that: The corrosion-resistant layer (15) is made of polytetrafluoroethylene.

Images