Sealing end cover with circumferential embedding structure

Abstract

The utility model provides a sealing end cover with a circumferential embedding structure, which comprises a supporting assembly component, a radial matching component, a circumferential embedding component, an axial buffering component and a switching positioning component, and an embedding rib arranged on the sealing end cover is matched with a positioning embedding opening on the outer wall of a sealing static ring, so that the circumferential accurate positioning is realized; a radial through hole matched with a protruding structure of the outer wall of the sealing static ring is formed, it is guaranteed that the sealing static ring can be kept at the stable position under various working conditions, a buffering notch is formed in the assembling end ring and used for containing a buffering spring, axial buffering is provided for the sealing static ring, static ring damage caused by axial impact is reduced, and the service life of the sealing static ring is prolonged. The sealing end cover provides multiple protection mechanisms from the radial direction, the circumferential direction to the axial direction, it is ensured that the sealing static ring can stably operate under various working conditions, and therefore the operation reliability of the sealing mechanism is improved, and the service life of the sealing mechanism is prolonged.

Description

Technical Field

[0001] The utility model relates to a sealing component, in particular to a sealing end cover with a circumferential interlocking structure. Background Art

[0002] Patent document CN205277901U discloses a sealing end cover, which includes a fastening ring, an additional sealing ring, an end cover, a groove, a fastening stud, a rack and a snap ring. The end cover is a cylindrical structure. The fastening ring, the additional sealing ring and the groove are located on the side of the end cover. The grooves are distributed on the fastening ring. The additional sealing ring is installed on the inner side of the fastening ring. The additional sealing ring is arranged perpendicular to the side of the end cover. The snap ring is a circular structure. The fastening stud is installed at the upper end of the snap ring. Two racks are provided and the two racks are distributed at both ends of the fastening stud. The end cover is sealed by adding a fastening ring. The design of the snap ring facilitates the fixing of the fastening ring, and the design of the groove realizes the fixing of the snap ring, thereby preventing the snap ring from falling due to accidents. Utility Model Content

[0003] The utility model aims to provide a sealing end cover with a circumferential interlocking structure to improve its operating reliability.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A sealing end cover with a circumferential interlocking structure, comprising:

[0006] A support assembly component, wherein the support assembly component has an installation space, and the interior of the support assembly component has an accommodation space that matches the shape of the sealing static ring of the sealing mechanism;

[0007] A radial matching component is formed in the support assembly component and is adapted to the shape of the sealing static ring. The radial matching component is used to position the sealing static ring;

[0008] A circumferential interlocking member is formed in the supporting assembly member and is adapted to the shape of the sealing stationary ring. The sealing stationary ring is positioned by the circumferential interlocking member;

[0009] An axial buffer component is formed in the support assembly component, and has an elastic component assembly space inside, and the axial buffer component performs axial buffering on the sealing static ring;

[0010] The transfer positioning component is formed in the support assembly component, and the support assembly component can be fixed on the support housing of the sealing mechanism through a connecting piece adapted thereto.

[0011] Specifically, the support assembly component includes:

[0012] The supporting shell is cylindrical and has a cylindrical cavity inside which is adapted to the shape of the sealing static ring;

[0013] An assembly end ring is formed on the inner wall of the supporting cylinder shell, extends along the circumference of the supporting cylinder shell, and protrudes radially toward the inner side of the supporting cylinder shell. A shaft avoidance opening is formed in the assembly end ring.

[0014] In one embodiment of the utility model, the assembly end ring is located at the outer end of the supporting cylinder shell.

[0015] The radial coupling components include:

[0016] A group of radial through holes are provided, each of which is opened in the supporting cylinder shell. It penetrates the inside and outside of the supporting cylinder shell radially and is arranged sequentially along the circumference of the supporting cylinder shell. The protruding structure of the outer wall of the sealing static ring can extend into the radial through hole, and the sealing static ring is positioned by the radial through hole.

[0017] The circumferential interlocking member comprises:

[0018] A group of interlocking ridges are provided, each of which is formed on the inner wall of the supporting cylinder shell. It extends along the axial direction of the supporting cylinder shell and protrudes toward the inner side of the supporting cylinder shell. It can be embedded in the positioning groove of the outer wall of the sealing static ring, and the sealing static ring is positioned by the interlocking ridges.

[0019] In one embodiment of the utility model, an arc-shaped guide surface is provided on the edge of the engaging convex ridge, which can guide the engaging convex ridge in and out of the positioning recess, thereby facilitating the disassembly and assembly operation.

[0020] In an embodiment of the present invention, the engaging ridges and the radial through holes are arranged in an interval manner.

[0021] The axial buffer member comprises:

[0022] A buffer notch is provided in a group, each buffer notch is respectively opened in the assembly end ring, extends axially, and is arranged in sequence along the circumference of the assembly end ring, and has an accommodating space for placing a buffer spring.

[0023] The transfer positioning component includes:

[0024] The positioning screw hole is opened in the assembly end ring, radially penetrates the inside and outside of the assembly end ring, and is arranged in sequence along the circumference of the assembly end ring, and can be engaged with the support shell through a fixing bolt adapted thereto.

[0025] In one embodiment of the utility model, an auxiliary ring groove is provided on the inner wall of the supporting cylinder shell, and the auxiliary ring groove has a containing space for placing a sealing ring, which is arranged at both ends of the supporting cylinder shell together with the assembly end ring.

[0026] The advantages of the utility model are:

[0027] The sealing end cover is provided with an engaging ridge that cooperates with the positioning groove of the outer wall of the sealing static ring to achieve precise circumferential positioning, and a radial through hole that cooperates with the protruding structure of the outer wall of the sealing static ring is provided to ensure that the sealing static ring can maintain a stable position under various working conditions. A buffer groove is also opened in the assembly end ring for placing a buffer spring to provide axial buffering for the sealing static ring and reduce damage to the static ring caused by axial impact, thereby improving its life and reliability. From radial, circumferential to axial, this sealing end cover provides multiple protection mechanisms to ensure that the sealing static ring can operate stably under various working conditions, thereby improving the operating reliability and life of the sealing mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is one of the structural schematic diagrams of the sealing end cover with a circumferential interlocking structure proposed by the utility model;

[0029] Figure 2 This is the second structural schematic diagram of the sealing end cover;

[0030] Figure 3 It is a schematic diagram of the cross-sectional structure of the sealing end cover. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0032] like Figure 1 to Figure 3As shown, the sealing end cover with a circumferential interlocking structure proposed by the utility model includes a supporting assembly component, a radial matching component, a circumferential interlocking component, an axial buffer component and a transition positioning component. The supporting assembly component has an installation space, and its interior has a accommodating space adapted to the shape of the sealing static ring of the sealing mechanism. The radial matching component is formed in the supporting assembly component and adapted to the shape of the sealing static ring. The sealing static ring is positioned by the radial matching component. The circumferential interlocking component is formed in the supporting assembly component and adapted to the shape of the sealing static ring. The sealing static ring is positioned by the circumferential interlocking component. The axial buffer component is formed in the supporting assembly component, and its interior has an elastic component assembly space. The sealing static ring is axially buffered by the axial buffer component. The transition positioning component is formed in the supporting assembly component, and the supporting assembly component can be fixed to the support shell of the sealing mechanism by a connecting piece adapted thereto.

[0033] In Example 2, the supporting assembly component includes a supporting cylinder shell 110 and an assembly end ring. The supporting cylinder shell is cylindrical and has a cylindrical cavity inside that is adapted to the shape of a sealing static ring. The assembly end ring is formed on the inner wall of the supporting cylinder shell. It extends along the circumference of the supporting cylinder shell and protrudes radially toward the inner side of the supporting cylinder shell, forming a shaft avoidance opening in the assembly end ring.

[0034] The radial matching component includes a radial through hole 200, and a group of radial through holes are provided. Each radial through hole is respectively opened in the supporting cylinder shell, and radially penetrates the inside and outside of the supporting cylinder shell, and is arranged sequentially along the circumference of the supporting cylinder shell. The protruding structure of the outer wall of the sealing static ring can extend into the radial through hole, and the sealing static ring is positioned by the radial through hole.

[0035] The circumferential interlocking component includes an interlocking ridge 300, and a group of interlocking ridges are provided. Each interlocking ridge is formed on the inner wall of the supporting cylinder shell, extends along the axial direction of the supporting cylinder shell, and protrudes toward the inner side of the supporting cylinder shell. It can be embedded in the positioning groove of the outer wall of the sealing static ring, and the sealing static ring is positioned by the interlocking ridge.

[0036] The axial buffer component includes a buffer notch 400, which is provided in a group. Each buffer notch is respectively opened in the assembly end ring, extends in the axial direction, and is arranged in sequence along the circumference of the assembly end ring. There is an accommodating space for placing a buffer spring inside.

[0037] The transition positioning component includes a positioning screw hole 500, which is opened in the assembly end ring, radially penetrates the inside and outside of the assembly end ring, and is arranged in sequence along the circumference of the assembly end ring, and can be engaged with the support shell through a matching fixing bolt.

[0038] In Example 2, the supporting assembly component includes a supporting cylinder shell 110 and an assembly end ring. The supporting cylinder shell is cylindrical and has a cylindrical cavity inside that is adapted to the shape of a sealing static ring. The assembly end ring is formed on the inner wall of the supporting cylinder shell. It extends along the circumference of the supporting cylinder shell and protrudes radially toward the inner side of the supporting cylinder shell, forming a shaft avoidance opening in the assembly end ring.

[0039] In this embodiment, the assembly end ring is located at the outer end of the supporting cylinder shell.

[0040] The radial matching component includes a radial through hole 200, and a group of radial through holes are provided. Each radial through hole is respectively opened in the supporting cylinder shell, and radially penetrates the inside and outside of the supporting cylinder shell, and is arranged sequentially along the circumference of the supporting cylinder shell. The protruding structure of the outer wall of the sealing static ring can extend into the radial through hole, and the sealing static ring is positioned by the radial through hole.

[0041] The circumferential interlocking component includes an interlocking ridge 300, and a group of interlocking ridges are provided. Each interlocking ridge is formed on the inner wall of the supporting cylinder shell, extends along the axial direction of the supporting cylinder shell, and protrudes toward the inner side of the supporting cylinder shell. It can be embedded in the positioning groove of the outer wall of the sealing static ring, and the sealing static ring is positioned by the interlocking ridge.

[0042] In this embodiment, an arc-shaped guide surface is provided on the edge of the engaging ridge, which can guide the engaging ridge in and out of the positioning groove, thereby facilitating the disassembly and assembly operation.

[0043] In this embodiment, the engaging ridges and the radial through holes are arranged in an interval manner.

[0044] The axial buffer component includes a buffer notch 400, which is provided in a group. Each buffer notch is respectively opened in the assembly end ring, extends in the axial direction, and is arranged in sequence along the circumference of the assembly end ring. There is an accommodating space for placing a buffer spring inside.

[0045] The transition positioning component includes a positioning screw hole 500, which is opened in the assembly end ring, radially penetrates the inside and outside of the assembly end ring, and is arranged in sequence along the circumference of the assembly end ring, and can be engaged with the support shell through a matching fixing bolt.

[0046] In this embodiment, an auxiliary ring groove 130 is provided on the inner wall of the supporting cylinder shell. The auxiliary ring groove has a receiving space for placing a sealing ring, which is arranged at both ends of the supporting cylinder shell together with the assembly end ring.

[0047] In the description of the present utility model, it should be noted that when terms such as "upper", "lower", "inner", "outer", "left", "right" and the like indicating orientation or positional relationship appear, it should be understood that the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art, is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the equipment or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, when terms such as "first" and "second" appear, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, terms such as "installation", "setting", and "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

Claims

1. A sealing end cover with a circumferential interlocking structure, characterized in that: include: A support assembly component, wherein the support assembly component has an installation space, and the interior of the support assembly component has an accommodation space that matches the shape of the sealing static ring of the sealing mechanism; A radial matching component is formed in the support assembly component and is adapted to the shape of the sealing static ring. The radial matching component is used to position the sealing static ring; A circumferential interlocking member is formed in the supporting assembly member and is adapted to the shape of the sealing stationary ring. The sealing stationary ring is positioned by the circumferential interlocking member; An axial buffer component is formed in the support assembly component, and has an elastic component assembly space inside, and the axial buffer component performs axial buffering on the sealing static ring; The transfer positioning component is formed in the support assembly component, and the support assembly component can be fixed on the support housing of the sealing mechanism through a connecting piece adapted thereto.

2. The sealing end cover with a circumferential interlocking structure according to claim 1, characterized in that: The supporting assembly components include: The supporting shell is cylindrical and has a cylindrical cavity inside which is adapted to the shape of the sealing static ring; An assembly end ring is formed on the inner wall of the supporting cylinder shell, extends along the circumference of the supporting cylinder shell, and protrudes radially toward the inner side of the supporting cylinder shell. A shaft avoidance opening is formed in the assembly end ring.

3. The sealing end cover with a circumferential interlocking structure according to claim 2, characterized in that: The radial coupling components include: A group of radial through holes are provided, each of which is opened in the supporting cylinder shell. It penetrates the inside and outside of the supporting cylinder shell radially and is arranged sequentially along the circumference of the supporting cylinder shell. The protruding structure of the outer wall of the sealing static ring can extend into the radial through hole, and the sealing static ring is positioned by the radial through hole.

4. The sealing end cover with a circumferential interlocking structure according to claim 2, characterized in that: The circumferential interlocking member comprises: A group of interlocking ridges are provided, each of which is formed on the inner wall of the supporting cylinder shell. It extends along the axial direction of the supporting cylinder shell and protrudes toward the inner side of the supporting cylinder shell. It can be embedded in the positioning groove of the outer wall of the sealing static ring, and the sealing static ring is positioned by the interlocking ridges.

5. The sealing end cover with a circumferential interlocking structure according to claim 2, characterized in that: The axial buffer member comprises: A buffer notch is provided in a group, each buffer notch is respectively opened in the assembly end ring, extends axially, and is arranged in sequence along the circumference of the assembly end ring, and has an accommodating space for placing a buffer spring.

6. The sealing end cover with a circumferential interlocking structure according to claim 2, characterized in that: The transfer positioning component includes: The positioning screw hole is opened in the assembly end ring, radially penetrates the inside and outside of the assembly end ring, and is arranged in sequence along the circumference of the assembly end ring, and can be engaged with the support shell through a fixing bolt adapted thereto.

7. The sealing end cover with a circumferential interlocking structure according to claim 2, characterized in that: An auxiliary ring groove is provided on the inner wall of the supporting cylinder shell. The auxiliary ring groove has a containing space for placing a sealing ring. The sealing ring and the assembly end ring are arranged at both ends of the supporting cylinder shell.

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