CN216413837U

CN216413837U - Cable sealing member with elastic supporting structure

Info

Publication number: CN216413837U
Application number: CN202123165693.4U
Authority: CN
Inventors: 王玉琦
Original assignee: East Seal Technology Jiangsu Co ltd
Current assignee: East Seal Technology Jiangsu Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-04-29
Anticipated expiration: 2031-12-16

Abstract

The utility model provides a cable seal spare with elastic support structure, including sealed halfbody one of rectangle, sealed halfbody two of rectangle, two end covers that the symmetry set up, two seal assembly that the symmetry set up, two springs that the symmetry set up and a set of fastener, sealed halfbody one of rectangle and sealed halfbody two of rectangle are connected through a set of fastener, sealed assembly and spring are all equipped with at the both ends that sealed halfbody one of rectangle and the sealed halfbody two of rectangle constitute whole length direction, the end cover can be established seal assembly and spring cover on sealed halfbody one of rectangle and the sealed halfbody two of rectangle are constituteed wholly, seal assembly is located between spring and the end cover. According to the cable sealing element with the elastic supporting structure, the spring plays a certain supporting role on the sealing assembly through the matching of the spring and the sealing assembly, so that the sealing assembly is not easy to deform, the sealing reliability is improved, and the local sealing pressure at the position of the end cover of the cable sealing element is improved through the matching of the unique sealing and rigid supporting structure of the sealing assembly.

Description

Cable sealing member with elastic supporting structure

Technical Field

The utility model belongs to the technical field of mechanical basic parts and manufacturing, and particularly relates to a cable sealing part with an elastic supporting structure.

Background

In many areas such as shipbuilding, marine engineering, petrochemical, power telecommunications, defense and military, sewage treatment, industrial and civil construction, there is a need for rigidity of cable penetrations, which prevents flame, smoke, gas and water from passing through the cable penetrations to adjacent structural parts in the event of a hazardous condition in a particular environment. Although the cable seal can be considered a small component of the installation, the module plays a crucial role in protecting personnel, property and continuous operation.

The sealing can be divided into static sealing and dynamic sealing, and the static sealing mainly comprises pad sealing, sealant sealing and direct contact sealing. The dynamic seal can be divided into two basic types of rotary seal and reciprocating seal, and other types of seal can be divided into contact type seal and non-contact type seal according to whether the seal is in contact with the parts which move relatively to the seal.

The sealing device comprises a cable pipe orifice plugging sealing element in the existing sealing field, but the existing cable pipe orifice plugging sealing element is single in manufacturing process, so that the service life of the plugging sealing element is short, and the safety performance of a cable in the using process is low.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to provide a cable sealing element with an elastic supporting structure, which solves the problems that the reliability of the cable sealing element in the prior art cannot be ensured in the using process and the service life is short.

The technical scheme is as follows: the utility model provides a cable sealing element with an elastic supporting structure, which comprises a first rectangular sealing half body, a second rectangular sealing half body, two symmetrically arranged end covers, two symmetrically arranged sealing components, two symmetrically arranged springs and a group of fasteners, wherein the first rectangular sealing half body and the second rectangular sealing half body are arranged in an up-and-down symmetrical mode, the first rectangular sealing half body and the second rectangular sealing half body are connected through the group of fasteners, the two symmetrically arranged end covers are respectively connected with two ends of the first rectangular sealing half body and the second rectangular sealing half body in the whole length direction, the two symmetrically arranged sealing components and the two symmetrically arranged springs are arranged in a one-to-one correspondence mode, the sealing components and the springs are arranged at two ends of the first rectangular sealing half body and the second rectangular sealing half body in the whole length direction, and the sealing components and the springs can be covered on the whole body formed by the first rectangular sealing half body and the second rectangular sealing half body by the end covers, the sealing assembly is located between the spring and the end cover, and the cable penetrates through the sealing assembly and the spring and is integrated by the first rectangular sealing half body and the second rectangular sealing half body. According to the cable sealing element with the elastic supporting structure, the spring plays a certain supporting role on the sealing assembly through the matching of the spring and the sealing assembly, so that the sealing assembly is not easy to deform, the sealing reliability is improved, and the local sealing pressure at the position of the end cover of the cable sealing element is improved through the matching of the unique sealing and rigid supporting structure of the sealing assembly.

Furthermore, according to the cable sealing element with the elastic supporting structure, the end face, opposite to the rectangular sealing half body I, of the rectangular sealing half body I is provided with the first semicircular groove, the end face, opposite to the rectangular sealing half body I, of the rectangular sealing half body II is provided with the second semicircular groove, the first semicircular groove and the second semicircular groove are buckled together up and down, and the cable penetrates through the first semicircular groove and the second semicircular groove.

Furthermore, according to the cable sealing element with the elastic supporting structure, the inner walls of the first semicircular groove and the second semicircular groove are respectively provided with the stripping layer, the cross section of each stripping layer is semicircular, and the stripping layers are in contact with the outer wall of the cable.

Furthermore, according to the cable sealing element with the elastic supporting structure, the first concave stations are arranged at the two ends of the first rectangular sealing half body in the length direction, the second concave stations are arranged at the two ends of the second rectangular sealing half body in the length direction, the first concave stations and the second concave stations are arranged in an up-and-down symmetrical mode, and sealing assemblies and springs are arranged in the first concave stations and the second concave stations.

Furthermore, the cable sealing element with the elastic support structure comprises a first annular sealing ring, a metal support ring, a second annular sealing ring and an annular spring, wherein the metal support ring is arranged on the outer circumference of the first annular sealing ring, the second annular sealing ring is arranged in the metal support ring, the annular spring is arranged in the second annular sealing ring, and the first annular sealing ring is positioned between the spring and the end cover.

Furthermore, according to the cable sealing element with the elastic supporting structure, the outer circumference of the first annular sealing ring is provided with the third groove, the outer wall of the metal support ring is connected with the inner wall of the third groove, the outer circumference of the metal support ring is provided with the fourth groove, the second annular sealing ring is arranged in the fourth groove, the outer wall of the second annular sealing ring is in contact with the inner wall of the fourth groove, the inner circumference of the second annular sealing ring is provided with the U-shaped opening, and the annular spring is arranged in the U-shaped opening.

Furthermore, in the cable sealing element with the elastic support structure, a group of waterproof protrusions which are concentrically arranged is arranged on the end face, close to the end cover, of the annular sealing ring.

Furthermore, the cable sealing element with the elastic support structure comprises a connecting column, a first locking nut and a second locking nut, wherein the connecting column penetrates through the second rectangular sealing half body and the first rectangular sealing half body, external threads are arranged at two ends of the connecting column, extending out of the second rectangular sealing half body and the first rectangular sealing half body, respectively, and the first locking nut and the second locking nut are connected with two ends of the connecting column, extending out of the second rectangular sealing half body and the first rectangular sealing half body respectively.

Furthermore, in the cable sealing element with the elastic support structure, the cross section of the end cover is circular, four arched connecting plates are connected to the outer circumference of the end cover, the four arched connecting plates are arranged in an annular array mode by taking the center of the end cover as the center of a circle, and the four arched connecting plates are fixedly connected with the rectangular sealing half body II and the rectangular sealing half body I through screws.

Further, in the cable sealing member with an elastic supporting structure, the cross section of the spring is rectangular.

The technical scheme shows that the utility model has the following beneficial effects: according to the cable sealing element with the elastic supporting structure, the spring is matched with the sealing assembly, and has a certain supporting force on the sealing assembly, so that the rubber sealing element elastically deformed by the sealing assembly is extruded and deformed under the action of external force, and is highly attached to the sealing half body, the sealing effect is achieved, and the spring is equivalent to a labyrinth sealing structure in a compression state, so that the structure achieves good sealing requirements, the cable sealing device is convenient to install, and the sealing connection reliability is high. The sealing performance is good, the waterproof effect is obvious, the service life of the cable is prolonged, and the safety of the cable is reliably ensured; in addition, the matching of the sealing half body and the cable can be adjusted according to the diameter of the cable, the structural design is reasonable, and the cable has good popularization and application values.

Drawings

FIG. 1 is a right side view of a cable seal having a resilient support structure according to the present invention;

FIG. 2 is a front view of a cable seal having a resilient support structure according to the present invention;

FIG. 3 is a first schematic structural view of a cable seal with a resilient support structure according to the present invention;

FIG. 4 is a cross-sectional view of a cable seal having a resilient support structure according to the present invention;

FIG. 5 is a second schematic structural view of the cable sealing member with an elastic support structure according to the present invention;

FIG. 6 is an enlarged view of a portion of the utility model at A in FIG. 4;

fig. 7 is a schematic structural view of the spring according to the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The cable sealing element with the elastic support structure as shown in fig. 1 and 2 comprises a first rectangular sealing half body 1, a second rectangular sealing half body 2, two symmetrically arranged end covers 3, two symmetrically arranged sealing components 4, two symmetrically arranged springs 5 and a group of fastening pieces 6, wherein the first rectangular sealing half body 1 and the second rectangular sealing half body 2 are symmetrically arranged up and down, the first rectangular sealing half body 1 and the second rectangular sealing half body 2 are connected through the group of fastening pieces 6, the two symmetrically arranged end covers 3 are respectively connected with the two ends of the first rectangular sealing half body 1 and the second rectangular sealing half body 2 in the whole length direction, the two symmetrically arranged sealing components 4 and the two symmetrically arranged springs 5 are arranged in one-to-one correspondence, and the two ends of the first rectangular sealing half body 1 and the second rectangular sealing half body 2 in the whole length direction are respectively provided with the sealing components 4 and the springs 5, the end cover 3 can cover the sealing assembly 4 and the spring 5 on the whole formed by the rectangular sealing half body I1 and the rectangular sealing half body II 2, the sealing assembly 4 is located between the spring 5 and the end cover 3, and the cable penetrates through the whole formed by the rectangular sealing half body I1 and the rectangular sealing half body II 2, the sealing assembly 4 and the spring 5. The cross section of the spring 5 shown in fig. 7 is rectangular.

The end cover 3 compresses the spring 5 in the process of being locked on the rectangular sealing half body 2 and the rectangular sealing half body 1 through screws, so that the spring 5 has a certain supporting effect on the sealing assembly 4, and the sealing assembly 4 is prevented from loosening.

As shown in fig. 3-5, a first semicircular groove 11 is formed in the end surface of the first rectangular sealing half body 1 opposite to the second rectangular sealing half body 2, a second semicircular groove 21 is formed in the end surface of the second rectangular sealing half body 2 opposite to the first rectangular sealing half body 1, the first semicircular groove 11 and the second semicircular groove 21 are buckled together, and the cable penetrates through the first semicircular groove 11 and the second semicircular groove 21. The inner walls of the first semicircular groove 11 and the second semicircular groove 21 are both provided with a stripping layer 10, the section of the stripping layer 10 is semicircular, and the stripping layer 10 is in contact with the outer wall of the cable. The stripping layer 10 is composed of a plurality of stripping papers bonded together, and different quantities of stripping papers are stripped according to the diameters of different cables, so that the thickness of the stripping layer 10 can be well matched with the outer diameter of the cable.

The two ends of the rectangular sealing half body I1 in the length direction are respectively provided with a first concave table 12, the two ends of the rectangular sealing half body II 2 in the length direction are respectively provided with a second concave table 22, the first concave table 12 and the second concave table 22 are arranged in an up-down symmetrical mode, and sealing assemblies 4 and springs 5 are arranged in the first concave table 12 and the second concave table 22.

The seal assembly 4 shown in fig. 6 comprises a first annular seal ring 41, a metal support ring 42, a second annular seal ring 43 and an annular spring 44, wherein the metal support ring 42 is arranged on the outer circumference of the first annular seal ring 41, the second annular seal ring 43 is arranged in the metal support ring 42, the annular spring 44 is arranged in the second annular seal ring 43, and the first annular seal ring 41 is positioned between the spring 5 and the end cover 3. The outer circumference of the first annular sealing ring 41 is provided with a groove III 45, the outer wall of the metal support ring 42 is connected with the inner wall of the groove III 45, the outer circumference of the metal support ring 42 is provided with a groove IV 46, the second annular sealing ring 43 is arranged in the groove IV 46, the outer wall of the second annular sealing ring 43 is in contact with the inner wall of the groove IV 46, the inner circumference of the second annular sealing ring 43 is provided with a U-shaped opening 47, and the annular spring 44 is arranged in the U-shaped opening 47. The end face, close to the end cover 3, of the first annular sealing ring 41 is provided with a group of waterproof protrusions 48 which are concentrically arranged. The waterproof protrusion 48 is attached to the end face of the end cap 3.

The first annular sealing ring 41 plays a role in outer layer sealing, the metal support ring 42 is integrally thin-walled, the metal support ring 42 is made of metal materials, so that the metal support ring 42 has certain supporting force, the first annular sealing ring 41 can be supported, the rigidity of the first annular sealing ring 41 is improved, and the second annular sealing ring 43 and the annular spring 44 are matched to play a role in inner layer sealing.

In the structure, the fastener 6 comprises a connecting column 61, a first locking nut 62 and a second locking nut 63, the connecting column 61 penetrates through the second rectangular sealing half body 2 and the first rectangular sealing half body 1, external threads are arranged at two ends of the connecting column 61, extending out of the second rectangular sealing half body 2 and the first rectangular sealing half body 1, respectively, and the first locking nut 62 and the second locking nut 63 are connected with two ends of the connecting column 61, extending out of the second rectangular sealing half body 2 and the first rectangular sealing half body 1 respectively. The connecting column 61 penetrates through two ends of the rectangular sealing half body 2 and the rectangular sealing half body 1 in the length direction, and then the rectangular sealing half body 2 and the rectangular sealing half body 1 are connected together through the first locking nut 62 and the second locking nut 63.

In addition, the cross section of the end cover 3 is circular, four arched connecting plates 31 are connected to the outer circumference of the end cover 3, the four arched connecting plates 31 are arranged in a circular array mode by taking the center of the end cover 3 as the center of a circle, and the four arched connecting plates 31 are fixedly connected with the rectangular sealing half body two 2 and the rectangular sealing half body one 1 through screws.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.

Claims

1. A cable seal with a resilient support structure, characterized by: the sealing device comprises a first rectangular sealing half body (1), a second rectangular sealing half body (2), two end covers (3) which are symmetrically arranged, two sealing assemblies (4) which are symmetrically arranged, two springs (5) which are symmetrically arranged and a group of fasteners (6), wherein the first rectangular sealing half body (1) and the second rectangular sealing half body (2) are symmetrically arranged up and down, the first rectangular sealing half body (1) and the second rectangular sealing half body (2) are connected through the group of fasteners (6), the two end covers (3) which are symmetrically arranged are respectively connected with two ends of the first rectangular sealing half body (1) and the second rectangular sealing half body (2) which form the whole length direction, the two sealing assemblies (4) which are symmetrically arranged and the two springs (5) which are symmetrically arranged are arranged one to one, and the two ends of the first rectangular sealing half body (1) and the second rectangular sealing half body (2) which form the whole length direction are both provided with the sealing assemblies (4) and the springs (5), the end cover (3) can cover the sealing assembly (4) and the spring (5) on the whole formed by the rectangular sealing half body I (1) and the rectangular sealing half body II (2), the sealing assembly (4) is located between the spring (5) and the end cover (3), and the cable penetrates through the whole formed by the rectangular sealing half body I (1) and the rectangular sealing half body II (2), the sealing assembly (4) and the spring (5).

2. The cable seal with resilient support structure of claim 1, wherein: the end face, opposite to the rectangular sealing half body I (1) and the rectangular sealing half body II (2), of the rectangular sealing half body I (1) is provided with a semicircular groove I (11), the end face, opposite to the rectangular sealing half body I (1), of the rectangular sealing half body II (2) is provided with a semicircular groove II (21), the semicircular groove I (11) and the semicircular groove II (21) are buckled together up and down, and the cable penetrates through the semicircular groove I (11) and the semicircular groove II (21).

3. The cable seal with resilient support structure of claim 2, wherein: the inner walls of the first semicircular groove (11) and the second semicircular groove (21) are respectively provided with a stripping layer (10), the section of each stripping layer (10) is semicircular, and the stripping layers (10) are in contact with the outer wall of the cable.

4. The cable seal with elastic support structure according to claim 1 or 2, characterized in that: the two ends of the length direction of the first rectangular sealing half body (1) are respectively provided with a first concave table (12), the two ends of the length direction of the second rectangular sealing half body (2) are respectively provided with a second concave table (22), the first concave tables (12) and the second concave tables (22) are arranged in an up-and-down symmetrical mode, and sealing assemblies (4) and springs (5) are arranged in the first concave tables (12) and the second concave tables (22).

5. The cable seal with resilient support structure of claim 4, wherein: the sealing assembly (4) comprises a first annular sealing ring (41), a metal supporting ring (42), a second annular sealing ring (43) and an annular spring (44), the metal supporting ring (42) is arranged on the outer circumference of the first annular sealing ring (41), the second annular sealing ring (43) is arranged in the metal supporting ring (42), the annular spring (44) is arranged in the second annular sealing ring (43), and the first annular sealing ring (41) is located between the spring (5) and the end cover (3).

6. The cable seal with resilient support structure of claim 5, wherein: the outer circumference of the first annular sealing ring (41) is provided with a third groove (45), the outer wall of the metal support ring (42) is connected with the inner wall of the third groove (45), the outer circumference of the metal support ring (42) is provided with a fourth groove (46), the second annular sealing ring (43) is arranged in the fourth groove (46), the outer wall of the second annular sealing ring (43) is in contact with the inner wall of the fourth groove (46), the inner circumference of the second annular sealing ring (43) is provided with a U-shaped opening (47), and the annular spring (44) is arranged in the U-shaped opening (47).

7. The cable seal with resilient support structure of claim 5, wherein: and a group of waterproof bulges (48) which are concentrically arranged are arranged on the end surface of the first annular sealing ring (41) close to the end cover (3).

8. The cable seal with resilient support structure of claim 1, wherein: the fastener (6) comprises a connecting column (61), a first locking nut (62) and a second locking nut (63), wherein the connecting column (61) penetrates through the second rectangular sealing half body (2) and the first rectangular sealing half body (1), external threads are arranged at two ends of the connecting column (61) extending out of the second rectangular sealing half body (2) and the first rectangular sealing half body (1), and the first locking nut (62) and the second locking nut (63) are connected with two ends of the connecting column (61) extending out of the second rectangular sealing half body (2) and the first rectangular sealing half body (1) respectively.

9. The cable seal with resilient support structure of claim 1, wherein: the cross section of the end cover (3) is circular, four arch connecting plates (31) are connected to the outer circumference of the end cover (3), the four arch connecting plates (31) are arranged in an annular array mode by taking the center of the end cover (3) as the center of a circle, and the four arch connecting plates (31) are fixedly connected with the rectangular sealing half body two (2) and the rectangular sealing half body one (1) through screws.

10. The cable seal with resilient support structure of claim 1, wherein: the section of the spring (5) is rectangular.