Wear-resistant sealing element

Abstract

The utility model provides a wear-resistant sealing element, and relates to the technical field of sealing elements, the wear-resistant sealing element comprises an upper fixing sleeve and a lower fixing sleeve, the lower fixing sleeve is attached to the right side of the upper fixing sleeve, the upper fixing sleeve and the lower fixing sleeve are respectively provided with a connecting assembly, and the sealing element is in sliding connection with an assembling groove through the sealing element, so that a worker can replace the sealing element conveniently. Then the rotating rod is driven to reset and rotate in the fixing seat through the restoring force of the torsion spring, the threaded rod drives the threaded block to rotate into the limiting seat, and then the threaded block rotates on the threaded rod in a threaded mode and extrudes the limiting groove, so that the upper fixing sleeve and the lower fixing sleeve are tightly attached, and the sealing effect between the sealing piece and the pipeline is improved; the sealing element is quickly replaced, so that the replacement difficulty of the sealing element is reduced, and the sealing effect among the upper fixing sleeve, the lower fixing sleeve, the sealing element and the pipeline can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to technical field especially relates to a wear -resisting sealing element. BACKGROUND

[0002] Sealing elements are an integral part of various mechanical equipment, mainly used to prevent medium leakage, isolate medium, reduce friction and reduce vibration, etc. They are widely used in automobiles, engineering machinery, hydraulic equipment, petrochemical industry, aerospace and other fields, and play a crucial role in the stable operation and performance of the equipment.

[0003] However, existing wear-resistant sealing elements are often designed for extreme or complex working environments, such as high temperature, high pressure, corrosive medium, etc. These special working environments usually mean that the sealing element is installed in a difficult-to-reach location, such as the deep inside of the equipment, narrow space or area that requires disassembly of a large number of components to reach. The particularity of this installation location greatly increases the difficulty of replacing the sealing element, and therefore we propose a wear-resistant sealing element to solve the above problems. SUMMARY

[0004] The utility model mainly provides a wear -resisting sealing element.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a wear-resistant sealing element, comprising an upper fixed sleeve and a lower fixed sleeve, the lower fixed sleeve is attached to the right side of the upper fixed sleeve, the upper fixed sleeve and the lower fixed sleeve are provided with connecting assemblies on the upper fixed sleeve and the lower fixed sleeve, the upper fixed sleeve is connected with the lower fixed sleeve through the connecting assemblies, the upper fixed sleeve and the lower fixed sleeve are provided with sealing elements on the inner walls, and the sealing elements are provided with reinforcing assemblies.

[0006] Preferably, the connecting assembly comprises a mounting groove provided on the inner wall of the upper fixed sleeve and the lower fixed sleeve, the mounting groove is inserted with a sealing element, the upper and lower end surfaces of the upper fixed sleeve are provided with fixed seats, the fixed seats are rotatably provided with rotating rods, the rotating rods are provided with torsion springs on the two end surfaces of the fixed seats, the right side of the rotating rod is provided with a threaded rod, the upper and lower end surfaces of the lower fixed sleeve are provided with limiting seats, the threaded rods are threadedly connected with threaded blocks, and the left end surface of the threaded block is provided with a limiting groove in the corresponding limiting seat.

[0007] Preferably, the threaded block is designed in a pentagonal shape, and the outer wall of the threaded block is provided with anti-skid lines.

[0008] Preferably, the part of the threaded rod located in the limiting seat is provided with a thread, and the length of the thread on the threaded rod is half of the overall length of the threaded rod.

[0009] Preferably, the reinforcing assembly comprises a waterproof layer arranged on the outer wall of the sealing element, the waterproof layer is provided with a corrosion-resistant layer on the side surface away from the sealing element, and the outer part of the corrosion-resistant layer is provided with a wear-resistant layer.

[0010] Preferably, the height of the waterproof layer is equal to that of the corrosion-resistant layer, and the height of the wear-resistant layer is greater than that of the waterproof layer.

[0011] Preferably, the waterproof layer, the corrosion-resistant layer and the wear-resistant layer are sequentially arranged from inside to outside on the sealing element, and the outer part of the wear-resistant layer is provided with wear-resistant patterns.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that,

[0013] 1、the utility model discloses a sealing element and the fixed seat are connected through the torsion spring, and the torsion spring is connected with the fixed seat through the fixed sleeve, so that the sealing element can be replaced conveniently, and the torsion spring is used for driving the rotation of the rotation rod in the fixed seat, and the rotation rod is connected with the fixed sleeve through the screw rod, so that the sealing effect between the sealing element and the pipeline is improved.

[0014] 2、the utility model discloses a waterproof layer is arranged on the outer part of the sealing element, the waterproof layer fluorine rubber is used for improving the waterproof performance of the sealing element, the service life of the sealing element is improved, the corrosion-resistant layer is used for improving the corrosion resistance of the sealing element, the sealing element is suitable for being used in multiple extreme temperature environments, and the wear-resistant layer is used for improving the friction coefficient and wear resistance of the outer wall of the sealing element. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A perspective view of the wear-resistant sealing element is provided for the utility model;

[0016] Figure 2 A first local section structure schematic view of the connecting assembly of the wear-resistant sealing element is provided for the utility model;

[0017] Figure 3 A second local section structure schematic view of the connecting assembly of the wear-resistant sealing element is provided for the utility model;

[0018] Figure 4 A wear-resistant sealing element is provided for the utility model; Figure 3 An enlarged structure schematic view of the A place of the wear-resistant sealing element is provided for the utility model.

[0019] Legend: 1, the upper fixed sleeve; 2, the lower fixed sleeve; 3, connecting assembly; 31, assembly groove; 32, sealing element; 33, fixed seat; 34, rotating rod; 35, torsion spring; 36, threaded rod; 37, limiting seat; 38, threaded block; 39, limiting groove; 4, reinforcing assembly; 41, waterproof layer; 42, corrosion-resistant layer; 43, wear-resistant layer. DETAILED DESCRIPTION

[0020] In order to enable the above-mentioned purposes, features and advantages of the present application to be more clearly understood, the present application will be further described below with reference to the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0022] Please refer to Figures 1-4 The present application provides a technical solution: a wear-resistant sealing element, comprising an upper fixed sleeve 1 and a lower fixed sleeve 2, the lower fixed sleeve 2 is attached to the right side of the upper fixed sleeve 1, the upper fixed sleeve 1 and the lower fixed sleeve 2 are both provided with connecting assemblies 3, the upper fixed sleeve 1 is connected with the lower fixed sleeve 2 through the connecting assemblies 3, the inner walls of the upper fixed sleeve 1 and the lower fixed sleeve 2 are both provided with sealing elements 32, and the sealing elements 32 are both provided with reinforcing assemblies 4.

[0023] As Figure 2 and 3 shown, the connecting assembly 3 comprises an assembly groove 31 provided on the inner walls of the upper fixed sleeve 1 and the lower fixed sleeve 2, the assembly groove 31 is both inserted with a sealing element 32, the upper and lower end surfaces of the upper fixed sleeve 1 are both provided with fixed seats 33, the fixed seats 33 are both rotatably provided with rotating rods 34, the two end surfaces of the rotating rods 34 in the fixed seats 33 are both wound with torsion springs 35, the right side of the rotating rods 34 is both provided with threaded rods 36, the upper and lower end surfaces of the lower fixed sleeve 2 are both provided with limiting seats 37, the threaded rods 36 are both threadedly connected with threaded blocks 38, and the left end surfaces of the threaded blocks 38 are both provided with limiting grooves 39 in the limiting seats 37.

[0024] The sealing piece 32 is connected with the assembly groove 31 in a sliding manner, so that the sealing piece 32 can be replaced by the worker, and the restoring force of the torsion spring 35 drives the rotating rod 34 to reset and rotate in the fixed seat 33, and the threaded rod 36 drives the threaded block 38 to rotate into the limiting seat 37, and the threaded block 38 is screwed on the threaded rod 36 and extrudes the limiting groove 39, so that the upper fixed sleeve 1 and the lower fixed sleeve 2 are tightly attached, and the sealing effect between the sealing piece 32 and the pipeline is increased. The sealing piece 32 can be quickly replaced, thereby reducing the difficulty of replacing the sealing piece 32, and the sealing effect between the upper fixed sleeve 1, the lower fixed sleeve 2, the sealing piece 32 and the pipeline is improved.

[0025] As shown in Figure 3 Preferably, the threaded block 38 is designed in a pentagonal shape, and the outer wall of the threaded block 38 is provided with anti-skid lines, which can facilitate the worker to rotate the threaded block 38 and prevent the hand from slipping when rotating the threaded block 38.

[0026] As shown in Figure 3 The part of the threaded rod 36 in the limiting seat 37 is provided with threads, and the length of the threads on the threaded rod 36 is half of the overall length of the threaded rod 36, which can reduce the use cost of the threads and maximize the utilization rate of the threads.

[0027] As shown in Figure 4 The reinforcing assembly 4 includes a waterproof layer 41 arranged on the outer wall of the sealing piece 32, and the waterproof layer 41 is provided with a corrosion-resistant layer 42 on the side surface away from the sealing piece 32, and the outer part of the corrosion-resistant layer 42 is paved with a wear-resistant layer 43.

[0028] The waterproof layer 41 arranged outside the sealing piece 32 utilizes the excellent waterproofness and air tightness of the fluororubber of the waterproof layer 41 to improve the waterproof performance of the sealing piece 32 and prolong the service life of the sealing piece 32, the corrosion-resistant layer 42 utilizes the EPDM material to improve the corrosion resistance of the sealing piece 32 and make the sealing piece 32 suitable for use in multiple extreme temperature environments, and the wear-resistant layer 43 utilizes the PTFE material to improve the friction coefficient and wear resistance of the outer wall of the sealing piece 32.

[0029] As shown in Figure 4 The height of the waterproof layer 41 is equal to that of the corrosion-resistant layer 42, and the height of the wear-resistant layer 43 is greater than that of the waterproof layer 41, which can improve the waterproofness and corrosion resistance of the sealing piece 32 by the waterproof layer 41 and the corrosion-resistant layer 42, thereby prolonging the service life of the sealing piece 32 and reducing the frequency of replacing the sealing piece 32.

[0030] As shown in Figure 4As shown, waterproof layer 41, corrosion-resistant layer 42 and wear-resistant layer 43 are arranged on sealing member 32 from inside to outside in sequence, wear-resistant pattern is arranged on the outside of wear-resistant layer 43, the wear resistance of the outer wall of wear-resistant layer 43 can be improved, wear-resistant layer 43 can protect waterproof layer 41, corrosion-resistant layer 42 and sealing member 32.

[0031] The working principle and method of using the device are as follows: when using, sealing member 32 is inserted into assembly groove 31, then release rotating rod 34, rotating rod 34 is reset in fixed seat 33 by the restoring force of torsion spring 35, threaded rod 36 drives threaded block 38 to rotate into limiting seat 37, threaded block 38 is screwed on threaded rod 36 and extrudes limiting groove 39, so that upper fixed sleeve 1 and lower fixed sleeve 2 are tightly adhered, and the sealing effect between sealing member 32 and the pipeline is increased, when sealing member 32 needs to be disassembled, sealing member 32 can be slid out of assembly groove 31.

[0032] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms, any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments without departing from the technical scheme of the present application, according to the technical essence of the present application, still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A wear-resistant sealing element, comprising an upper fixing sleeve (1) and a lower fixing sleeve (2), wherein the lower fixing sleeve (2) is fitted to the right side of the upper fixing sleeve (1), characterized in that: Both the upper fixing sleeve (1) and the lower fixing sleeve (2) are provided with connecting components (3). The upper fixing sleeve (1) is connected to the lower fixing sleeve (2) through the connecting components (3). The inner walls of the upper fixing sleeve (1) and the lower fixing sleeve (2) are provided with sealing elements (32). The sealing elements (32) are provided with reinforcing components (4).

2. The wear-resistant seal according to claim 1, characterized in that: The connecting assembly (3) includes an assembly groove (31) provided on the inner wall of the upper fixed sleeve (1) and the lower fixed sleeve (2). A sealing element (32) is inserted into the assembly groove (31). A fixed seat (33) is provided on the upper and lower surfaces of the upper fixed sleeve (1). A rotating rod (34) is rotatably provided in the fixed seat (33). Torque springs (35) are wound around the two ends of the rotating rod (34) in the fixed seat (33). A threaded rod (36) is provided on the right side of the rotating rod (34). A limiting seat (37) is provided on the upper and lower surfaces of the lower fixed sleeve (2). A threaded block (38) is threadedly connected to the threaded rod (36). A limiting groove (39) is provided in the limiting seat (37) corresponding to the left end surface of the threaded block (38).

3. The wear-resistant seal according to claim 2, characterized in that: The threaded block (38) is designed in a pentagonal shape, and the outer wall of the threaded block (38) is provided with anti-slip texture.

4. A wear-resistant seal according to claim 2, characterized in that: The portion of the threaded rod (36) within the limiting seat (37) is provided with threads, and the thread length on the threaded rod (36) is half the overall length of the threaded rod (36).

5. A wear-resistant seal according to claim 2, characterized in that: The reinforcing component (4) includes a waterproof layer (41) disposed on the outer wall of the seal (32), and a corrosion-resistant layer (42) is provided on the side surface of the waterproof layer (41) facing away from the seal (32), and a wear-resistant layer (43) is laid on the outside of the corrosion-resistant layer (42).

6. A wear-resistant seal according to claim 5, characterized in that: The height of the waterproof layer (41) is equal to that of the corrosion-resistant layer (42), and the height of the wear-resistant layer (43) is greater than that of the waterproof layer (41).

7. A wear-resistant seal according to claim 5, characterized in that: The sealing element (32) is provided with a waterproof layer (41), a corrosion-resistant layer (42) and a wear-resistant layer (43) arranged sequentially from the inside to the outside. The wear-resistant layer (43) has wear-resistant patterns on the outside.

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