Mechanical sealing element convenient to assemble

Abstract

The utility model discloses a mechanical sealing element convenient to assemble, which comprises a shaft sleeve, the outer surface of the shaft sleeve is sleeved with a main rotating ring assembly, the outer surface of the shaft sleeve is sleeved with a flange, the outer surface of the shaft sleeve is sleeved with a main static ring assembly, and the right side of the main static ring assembly is provided with a main sealing ring. The outer surface of the shaft sleeve is sleeved with an auxiliary static ring assembly, the outer surface of the shaft sleeve is sleeved with an auxiliary rotating ring assembly, a concave hole is formed in the outer surface of the main rotating ring assembly, a transmission pin is arranged in the concave hole, a connecting groove is formed in the outer surface of the shaft sleeve, and the bottom end of the transmission pin extends into the connecting groove. The inner wall of the main rotating ring assembly is fixedly connected with a wave spring, and the left end of the wave spring is connected with the right side face of the shaft sleeve. According to the utility model, the sealing element can be more conveniently assembled and connected, the connecting and assembling efficiency of the sealing element and the mechanical shaft piece is improved, and the sealing element parts can be efficiently sealed.

Description

Technical Field

[0001] The present application relates to the technical field of seals, and in particular to a mechanical seal that is easy to assemble. Background Art

[0002] A seal is a material or part used to fill and prevent leakage between two or more relatively moving surfaces. It refers to a device that prevents fluid leakage, which is composed of at least one pair of end faces perpendicular to the axis of rotation and which remain in contact and slide relatively under the action of fluid pressure and the elastic force of a compensation mechanism and with the cooperation of an auxiliary seal.

[0003] Seals are important components of mechanical assembly, but current seals are cumbersome to assemble and connect, difficult to assemble and install quickly, and reduce the connection and assembly efficiency between seals and mechanical shafts. To this end, we propose an easy-to-assemble mechanical seal box to solve the above problem. Therefore, to solve the above problem, we provide an easy-to-assemble mechanical seal. Utility Model Content

[0004] The purpose of the utility model is to provide a mechanical seal that is easy to assemble, so as to solve the problems raised in the above background technology.

[0005] The present application embodiment adopts the following technical solutions:

[0006] A mechanical seal that is easy to assemble, includes a shaft sleeve, the outer surface of the shaft sleeve is sleeved with a main rotating ring assembly, the outer surface of the shaft sleeve is sleeved with a flange, the outer surface of the shaft sleeve is sleeved with a main stationary ring assembly, the right side of the main stationary ring assembly is provided with a main sealing ring, the outer surface of the shaft sleeve is sleeved with a secondary stationary ring assembly, the outer surface of the shaft sleeve is sleeved with a secondary rotating ring assembly, the outer surface of the main rotating ring assembly is provided with a concave hole, the interior of the concave hole is provided with a transmission pin, the outer surface of the shaft sleeve is provided with a connecting groove, and the bottom end of the transmission pin extends to the interior of the connecting groove.

[0007] Preferably, a wave spring is fixedly connected to the inner wall of the main rotating ring assembly, and the left end of the wave spring is connected to the right side surface of the sleeve.

[0008] Preferably, an anti-rotation pin is provided inside the main stationary ring assembly, and the right end of the anti-rotation pin extends to the inside of the flange.

[0009] Preferably, the right side surface of the main sealing ring is in close contact with the left side surface of the flange, and a connecting hole is provided on the outer surface of the flange.

[0010] Preferably, an auxiliary sealing ring is provided inside the auxiliary rotating ring assembly, and a left side surface of the auxiliary sealing ring is in contact with a right side surface of the auxiliary stationary ring assembly.

[0011] Preferably, a fixing clamp ring is provided on the outside of the auxiliary rotating ring assembly, and the bottom end of the fixing clamp ring extends to the inside of the flange.

[0012] At least one of the above technical solutions adopted in the embodiments of the present application can achieve the following beneficial effects:

[0013] The mechanical seal which is easy to assemble can be assembled from left to right on the surface of the shaft sleeve by means of the shaft sleeve and the main rotating ring assembly, and the cooperation with the main stationary ring assembly, the flange, the auxiliary stationary ring assembly and the auxiliary rotating ring assembly, while utilizing the protrusions and the grooves between the components, thereby making it more convenient to assemble and connect the seal, thereby improving the connection and assembly efficiency between the seal and the mechanical shaft, and utilizing the arrangement of the main sealing ring and the auxiliary sealing ring to enable efficient sealing between the seal components and avoid the phenomenon of liquid penetration. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0015] Figure 1 A cross-sectional view of the front view of the machine sealing box for easy assembly.

[0016] Figure 2 A cross-sectional view of the side view of the main rotating ring assembly in the machine seal box for ease of assembly.

[0017] Figure 3 Machine sealed box for easy assembly Figure 1 Schematic diagram of the structure with a partial enlargement at point A in the middle.

[0018] In the figure: 1. sleeve; 2. flange; 3. anti-rotation pin; 4. secondary stationary ring assembly; 5. fixed snap ring; 6. secondary rotating ring assembly; 7. connecting hole; 8. wave spring; 9. transmission pin; 10. recessed hole; 11. main rotating ring assembly; 12. main stationary ring assembly; 13. main sealing ring; 14. auxiliary sealing ring; 15. connecting groove. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in combination with the specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0020] The technical solutions provided by various embodiments of the present application are described in detail below in conjunction with the accompanying drawings.

[0021] See also Figure 1-3 , the utility model provides a technical solution for a mechanical seal that is easy to assemble:

[0022] A mechanical seal that is easy to assemble, includes a shaft sleeve 1, the outer surface of the shaft sleeve 1 is sleeved with a main rotating ring assembly 11, the outer surface of the shaft sleeve 1 is sleeved with a flange 2, the outer surface of the shaft sleeve 1 is sleeved with a main stationary ring assembly 12, the right side of the main stationary ring assembly 12 is provided with a main sealing ring 13, the outer surface of the shaft sleeve 1 is sleeved with a secondary stationary ring assembly 4, the outer surface of the shaft sleeve 1 is sleeved with a secondary rotating ring assembly 6, the outer surface of the main rotating ring assembly 11 is provided with a recessed hole 10, the interior of the recessed hole 10 is provided with a transmission pin 9, the outer surface of the shaft sleeve 1 is provided with a connecting groove 15, and the bottom end of the transmission pin 9 extends to the interior of the connecting groove 15; specifically, the main sealing ring 13 is arranged to achieve efficient sealing between the sealing components to avoid liquid penetration.

[0023] In this embodiment, a wave spring 8 is fixedly connected to the inner wall of the main rotating ring assembly 11, and the left end of the wave spring 8 is connected to the right side surface of the sleeve 1. An anti-rotation pin 3 is provided inside the main stationary ring assembly 12, and the right end of the anti-rotation pin 3 extends to the inside of the flange 2. The right side surface of the main sealing ring 13 is in close contact with the left side surface of the flange 2, and a connecting hole 7 is provided on the outer surface of the flange 2. Specifically, through the provision of the wave spring 8, the connection between the main rotating ring assembly 11 and the sleeve 1 can be made tighter, and the cooperation of the anti-rotation pin 3 will better limit the rotation during connection, and the cooperation of multiple connecting holes 7 and the flange 2 facilitates the connection and installation of the seal.

[0024] In this embodiment, an auxiliary sealing ring 14 is provided inside the auxiliary rotating ring assembly 6, and the left side of the auxiliary sealing ring 14 is in contact with the right side of the auxiliary stationary ring assembly 4. A fixed clamping ring 5 is provided outside the auxiliary rotating ring assembly 6, and the bottom end of the fixed clamping ring 5 extends to the inside of the flange 2; specifically, through the provision of the auxiliary sealing ring 14, the sealing effect of the seal can be enhanced, and by utilizing the provision of the fixed clamping ring 5, the seal can be clamped and positioned during assembly.

[0025] Working principle: When assembling the mechanical seal, first take the sleeve 1, then assemble the main rotating ring assembly 11, the main stationary ring assembly 12, the flange 2, the auxiliary stationary ring assembly 4, and the auxiliary rotating ring assembly 6 on the surface of the sleeve 1 from left to right, and use the main sealing ring 13 and the auxiliary sealing ring 14 to make contact, then take the fixed clamping ring 5, and insert one end of the fixed clamping ring 5 into the positioning groove on the surface of the flange 2, and then complete the assembly of the mechanical seal.

[0026] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the process, method, commodity or device including the elements.

[0027] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the claims of the present application. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A mechanical seal that is easy to assemble, comprising a shaft sleeve (1), wherein the outer surface of the shaft sleeve (1) is sleeved with a main rotating ring assembly (11), the outer surface of the shaft sleeve (1) is sleeved with a flange (2), the outer surface of the shaft sleeve (1) is sleeved with a main stationary ring assembly (12), the right side of the main stationary ring assembly (12) is provided with a main sealing ring (13), the outer surface of the shaft sleeve (1) is sleeved with a secondary stationary ring assembly (4), the outer surface of the shaft sleeve (1) is sleeved with a secondary rotating ring assembly (6), the outer surface of the main rotating ring assembly (11) is provided with a concave hole (10), the interior of the concave hole (10) is provided with a transmission pin (9), the outer surface of the shaft sleeve (1) is provided with a connecting groove (15), and the bottom end of the transmission pin (9) extends to the interior of the connecting groove (15).

2. A mechanical seal that is easy to assemble according to claim 1, characterized in that: A wave spring (8) is fixedly connected to the inner wall of the main rotating ring assembly (11), and the left end of the wave spring (8) is connected to the right side surface of the shaft sleeve (1).

3. A mechanical seal that is easy to assemble according to claim 1, characterized in that: An anti-rotation pin (3) is provided inside the main stationary ring assembly (12), and the right end of the anti-rotation pin (3) extends to the inside of the flange (2).

4. A mechanical seal that is easy to assemble according to claim 1, characterized in that: The right side surface of the main sealing ring (13) is in close contact with the left side surface of the flange (2), and a connecting hole (7) is provided on the outer surface of the flange (2).

5. A mechanical seal that is easy to assemble according to claim 1, characterized in that: An auxiliary sealing ring (14) is provided inside the auxiliary rotating ring assembly (6), and the left side surface of the auxiliary sealing ring (14) is in contact with the right side surface of the auxiliary stationary ring assembly (4).

6. A mechanical seal that is easy to assemble according to claim 1, characterized in that: A fixing snap ring (5) is provided on the outside of the secondary rotating ring assembly (6), and the bottom end of the fixing snap ring (5) extends to the inside of the flange (2).

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