CN111965773A

CN111965773A - Packaging device for nut sealing joint box and nut sealing joint box assembly

Info

Publication number: CN111965773A
Application number: CN202010871304.0A
Authority: CN
Inventors: 何常青; 魏文振
Original assignee: Fiberhome Telecommunication Technologies Co Ltd
Current assignee: Fiberhome Telecommunication Technologies Co Ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2020-11-20
Anticipated expiration: 2040-08-26
Also published as: CN111965773B

Abstract

The application relates to a packaging device for a nut sealing joint box and a nut sealing joint box assembly, which comprise a main body, a first sealing ring, a first fastening mechanism and an advancing nut; the main body is internally provided with an optical cable channel which runs through the two ends of the main body; the first sealing ring is arranged in the optical cable channel and used for sealing the optical cable passing through the optical cable channel; a first fastening mechanism for securing the fiber optic cable to the body; the advancing nut is sleeved on the outer side of the main body and is used for being screwed on a cable inlet and outlet hole of the matched nut sealing joint box and screwing to push the main body to move in the cable inlet and outlet hole along the axial direction of the cable inlet and outlet hole until the advancing nut is fixed on the nut sealing joint box. This application is before inserting the sealed splice box of nut with the optical cable, has accomplished the fixed and sealed of optical cable outside the splice box in advance, fixes and seals the optical cable and go on independently of the splice box, and operating space is big, can show promotion operating efficiency.

Description

Packaging device for nut sealing joint box and nut sealing joint box assembly

Technical Field

The application relates to the technical field of optical cable joint boxes, in particular to a packaging device for a nut sealing joint box and a nut sealing joint box assembly.

Background

In recent years, with the rapid development of 5G and internet of things technologies, people have higher and higher demands for network bandwidth, hundreds of millions of users are using and accessing the internet every minute and second, and huge data traffic needs to be connected and transmitted by devices. Today, with the explosive growth of information and the increasing pace of life, the requirements on the connection density of optical fibers are continuously increased, and the installation and operation steps of equipment are required to be simplified as much as possible.

At present, the mechanical sealing joint box in the market mainly has the following two structures:

the first is screw sealing, and the sealing effect is realized by extruding a sealing ring through a fastening screw;

the second kind is that the nut is sealed, and through the screw-thread fit of nut and end box, the extrusion sealing washer realizes sealed effect. The nut sealing joint box has become the mainstream in the industry gradually due to obvious advantages in operation space and operation experience.

However, as the installation efficiency of equipment is more and more demanding, the nut sealing closure according to the related art also reveals a bottleneck:

1) when the connector box is packaged, the optical cable needs to be introduced into the box firstly, then the optical cable is stripped and fixed, and the fixing efficiency of the optical cable is limited due to the limitation of the size of the space in the box;

2) when the splice closure is packaged, the optical cable needs to be sealed after being fixed, so that the sealing assembly needs to be penetrated into the optical cable in advance, otherwise, reworking is needed; therefore, if parts are neglected or the operation sequence is wrong, the packaging efficiency will be affected.

Disclosure of Invention

The embodiment of the application provides a packaging hardware and nut sealing joint box subassembly for nut sealing joint box to solve the problem of splice box encapsulation inefficiency among the correlation technique.

In a first aspect, there is provided a packaging device for a nut sealing closure, comprising:

the optical cable connector comprises a main body, a connecting piece and a connecting piece, wherein an optical cable channel penetrating through two ends of the main body is formed in the main body;

the first sealing ring is arranged in the optical cable channel and used for sealing the optical cable passing through the optical cable channel;

a first fastening mechanism for securing the fiber optic cable to the body;

and the advancing nut is sleeved on the outer side of the main body and is used for being screwed on the cable inlet and outlet hole of the matched nut sealing joint box and screwing to push the main body to move in the cable inlet and outlet hole along the axial direction of the cable inlet and outlet hole until the advancing nut is fixed on the nut sealing joint box.

In some embodiments, one end of the body is formed with a first extension;

the first fastening mechanism comprises a clamping plate and a connecting piece, the clamping plate is arranged on the first extending part, a space for passing the strength member of the optical cable is formed between the clamping plate and the first extending part, and the connecting piece penetrates through the clamping plate and the first extending part and is used for fastening the clamping plate and the first extending part so as to clamp the strength member.

In some embodiments, the packaging device further comprises a cylindrical pressing mechanism, and one end of the pressing mechanism is arranged in the optical cable channel;

the extrusion mechanism is provided with a working state, and when the extrusion mechanism is in the working state, the optical cable penetrates through the extrusion mechanism, the extrusion mechanism is fixed in the optical cable channel and extrudes the first sealing ring, so that the first sealing ring wraps and seals the optical cable.

In some embodiments, the pressing mechanism is threaded into the cable channel.

In some embodiments, the other end of the pressing mechanism is formed with a second extension, the second extension being located outside the cable channel;

the enclosure further includes a second fastening mechanism for securing the fiber optic cable to the second extension.

In some embodiments, the body outer wall has a first step formed thereon;

the advancing nut comprises a screwing section and a screwing section which are connected with each other, an external thread matched with the internal thread of the cable inlet and outlet hole is arranged on the outer wall of the screwing section, and the screwing section is used for screwing to drive the screwing section to push the first step along the axial direction of the cable inlet and outlet hole.

In some embodiments, the body outer wall has a first step formed thereon;

the advancing nut comprises a pushing section, a screwing section and a screwing section which are connected with each other, the pushing section is positioned in the screwing section and sleeved outside the main body, and a containing area for containing the cable inlet and outlet hole is formed between the outer wall of the pushing section and the inner wall of the screwing section; the inner wall of the screwing section is provided with an internal thread matched with the external thread of the cable inlet and outlet hole, and the screwing section is used for screwing to drive the pushing section to push the first step along the axial direction of the cable inlet and outlet hole.

In some embodiments, a sealing groove is formed in the outer wall of the main body, and the packaging device further includes a second sealing ring disposed on the sealing groove.

In some embodiments, a first guide portion is disposed on the outer wall of the main body and adapted to a second guide portion on the inner wall of the cable access hole, and the first guide portion and the second guide portion are jointly configured to: when the traveling nut is screwed, the main body is guided to move axially along the cable inlet and outlet hole so as to prevent the main body from rotating.

In a second aspect, there is provided a nut sealing closure assembly comprising:

the base of the nut sealing joint box is provided with a cable inlet and outlet hole; and the number of the first and second groups,

the packaging device is screwed on the cable inlet and outlet hole.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a packaging device for a nut sealing joint box and a nut sealing joint box assembly, wherein a first sealing ring is positioned in a main body, and an optical cable is positioned on the inner side of the first sealing ring so as to achieve the sealing effect on the optical cable; through a fastening mechanism, realize the fixed to the optical cable, thereby make the main part, first sealing washer, the optical cable, a fastening mechanism constitutes an overall structure, simultaneously, because the nut of marcing can the spiro union on the business turn over cable hole of nut sealing joint box, establish the nut cover of marcing in the main part outside, marcing nut and above-mentioned overall structure push the nut sealing joint box on the business turn over cable hole together, when revolving the nut of marcing, the nut of marcing still takes place the axial motion when taking place rotary motion on the business turn over cable hole, under the ejection effect of the axial motion of the nut of marcing, above-mentioned overall structure takes place axial displacement in business turn over cable hole, finally the fastening is on nut sealing joint box, thereby accomplish the fixed and the encapsulation of optical cable.

The application provides a packaging hardware, during the use, before with the sealed joint box of optical cable access nut, the fixed and sealed of optical cable has been accomplished outside the joint box in advance, fixes and seals the optical cable and goes on independently of the joint box, and operating space is big, can show promotion operating efficiency.

The application provides a packaging hardware can assemble, then directly inserts the optical cable to can avoid neglecting the problem that dress spare part or operation order made mistakes, further promote operating efficiency.

The application provides a packaging hardware, the nut of marcing matches the screw thread that has nut sealing joint box, can fix fast on the box body, has promoted operating efficiency again.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is an exploded view of an encapsulation device according to an embodiment of the present application;

FIG. 2 is an assembly view of a fiber optic cable, a packaging device, and a base provided in accordance with an embodiment of the present application;

FIG. 3 is a schematic view of a base according to an embodiment of the present disclosure;

FIG. 4 is a cross-sectional view of a body provided by an embodiment of the present application;

FIG. 5 is a schematic view of a travel nut and cable access hole assembly (with external threads for the cable access hole) provided in accordance with an embodiment of the present invention.

In the figure: 1. a main body; 10. an optical cable channel; 11. a first extension; 12. a first step; 13. a sealing groove; 14. a first guide portion; 15. a second step; 2. a first seal ring; 3. an optical cable; 30. a reinforcement; 4. a first fastening mechanism; 40. a clamping plate; 41. a connecting member; 5. a traveling nut; 50. a screwing section; 51. a screw joint section; 52. a pushing section; 53. a housing area; 6. an extrusion mechanism; 60. a second extension; 7. a second fastening mechanism; 8. a second seal ring; 9. a base; 90. cable inlet and outlet holes; 91. a second guide portion.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a packaging hardware for nut sealing splice closure, it can solve the problem that splice closure encapsulation efficiency is low among the relevant art.

Referring to fig. 1 and 2, the present application provides a packaging device for a nut sealing joint box, which includes a main body 1, a first sealing ring 2, a first fastening mechanism 4 and a traveling nut 5; wherein the content of the first and second substances,

referring to fig. 1, an optical cable channel 10 penetrating through two ends of the main body 1 is formed in the main body 1;

referring to fig. 2, the first sealing ring 2 is a cylindrical structure, the first sealing ring 2 is arranged in the optical cable channel 10, and after the optical cable 3 passes through the optical cable channel 10 and the first sealing ring 2, the first sealing ring 2 is wrapped on the optical cable 3 to seal the optical cable 3;

referring to fig. 1 in conjunction with fig. 2, after the optical cable 3 passes through the cable passage 10, the optical cable 3 is stripped to strip the strength members 30, and the strength members 30 of the optical cable 3 are fixed to the main body 1 by the first fastening mechanism 4, so that the optical cable 3 is fixed to the main body 1;

referring to fig. 1, and referring to fig. 2 and 3, the traveling nut 5 is sleeved outside the main body 1, and the traveling nut 5 is adapted to be screwed to the cable inlet and outlet hole 90 of the adapted nut sealing joint box and screwed to push the main body 1 to move in the cable inlet and outlet hole 90 along the axial direction of the cable inlet and outlet hole 90 until being fixed on the nut sealing joint box.

In the packaging device provided by the embodiment of the application, the first sealing ring 2 is positioned in the main body 1, and the optical cable 3 is positioned on the inner side of the first sealing ring 2, so that the sealing effect on the optical cable 3 is achieved; the optical cable 3 is fixed through the first fastening mechanism 4, so that the main body 1, the first sealing ring 2, the optical cable 3 and the first fastening mechanism 4 form an integral structure, meanwhile, the advancing nut 5 can be screwed on the cable inlet and outlet hole 90 of the nut seal joint box, the advancing nut 5 is sleeved outside the main body 1, the advancing nut 5 and the integral structure are pushed into the cable inlet and outlet hole 90 of the nut seal joint box together, when the advancing nut 5 is screwed, the advancing nut 5 rotates on the cable inlet and outlet hole 90 and moves axially, under the pushing action of the axial movement of the advancing nut 5, the integral structure moves axially in the cable inlet and outlet hole 90 and is finally fastened on the nut seal joint box, and the fixing and packaging of the optical cable 3 are completed.

The application provides a packaging hardware, 5 matches of nut sealing joint box's of nut of marcing screw cap, can fix on the box body fast, has promoted operating efficiency again.

Referring to fig. 1, in some preferred embodiments, the main body 1 is formed at one end thereof with a first extension 11, the first fastening mechanism 4 includes a clamping plate 40 and a connecting member 41, the clamping plate 40 is provided on the first extension 11 and forms a space for passing the strength member 30 of the optical cable 3 between the clamping plate 40 and the first extension 11, and the connecting member 41 passes through the clamping plate 40 and the first extension 11 and is used for fastening the clamping plate 40 and the first extension 11 to clamp the strength member 30.

Referring to fig. 1, in the present embodiment, the first extension 11 is a semicircular groove structure and is coaxially disposed with the cable channel 10, but of course, the upper surface of the first extension 11 may be a plane, and the lower surface of the clamping plate 40 may form a groove adapted to the strength member 30, or alternatively, the upper surface of the first extension 11 and the lower surface of the clamping plate 40 are respectively provided with a semicircular groove, and the two semicircular grooves form a space for clamping the strength member 30; the connecting member 41 is a screw, and the size of the space between the clamping plate 40 and the first extension 11 can be conveniently adjusted, so as to fix the reinforcing member 30.

Referring to fig. 1, in some preferred embodiments, the enclosure further comprises a cylindrical pressing mechanism 6, one end of the pressing mechanism 6 is disposed in the cable passage 10; the extrusion mechanism 6 has an operating state, and in the operating state, the optical cable 3 passes through the extrusion mechanism 6, and the extrusion mechanism 6 is fixed in the optical cable channel 10 and extrudes the first sealing ring 2, so that the first sealing ring 2 surrounds and seals the optical cable 3.

This embodiment provides extrusion mechanism 6, extrudees first sealing washer 2 through extrusion mechanism 6 to the realization is to the better sealed effect of optical cable 3.

Referring to fig. 1 and 2, the extruding mechanism 6 is provided with external threads, the cable passage 10 is provided with internal threads, and the extruding mechanism 6 is screwed into the cable passage 10, so that the extruding operation can be conveniently performed through the threaded connection.

Of course, besides the screw connection, a buckle connection mode can be adopted, for example, a buckling groove is formed in the optical cable channel 10, a buckling table matched with the buckling groove is arranged on the extrusion mechanism 6, the extrusion effect is realized by directly pushing in the axial direction, meanwhile, after the pushing is in place, the buckling table is just buckled in the buckling groove, the buckling groove can penetrate through the main body 1 and can not penetrate through the main body, and certainly, when the mode is selected, the buckling groove preferably penetrates through the main body 1 so as to facilitate the disassembly of the extrusion mechanism 6 and the main body 1.

Referring to fig. 2 and 4, to facilitate the compression of the first sealing ring 2, a second step 15 is provided in the cable passage 10, the first sealing ring 2 being located between the compression mechanism 6 and the second step 15.

Referring to figures 1 and 2, in some preferred embodiments, the other end of the pressing mechanism 6 is formed with a second extension 60, the second extension 60 being located outside the cable channel 10; the enclosure further comprises a second fastening mechanism 7, the second fastening mechanism 7 being adapted to secure the cable 3 to the second extension 60.

The advantage of providing the second fastening mechanism 7 is that the optical cable 3 is first fixed, further enhancing the fixing effect.

The second fastening mechanism 7 may be a hose clamp or the like. For better fixation, preventing axial movement of the hose clamp, the second extension 60 is provided in a T-shaped configuration.

The nut sealing joint box in the related art comprises one or more cable access holes 90 on a base, wherein each cable access hole 90 has a thread structure characteristic, and is either an internal thread or an external thread.

Thus, in order for the present application to be used with nut sealing closures in the related art, two types of travel nuts 5 are provided for the case of internal and external threads, specifically as follows:

when internal threads are adopted for the cable access hole 90, as shown in fig. 1, 2 and 4, in some preferred embodiments, a first step 12 is formed on an outer wall of the main body 1, the traveling nut 5 includes a screwing section 50 and a screwing section 51 which are connected with each other, external threads which are matched with the internal threads of the cable access hole 90 are arranged on an outer wall of the screwing section 51, the screwing section 51 is screwed on the cable access hole 90, the screwing section 50 is screwed, the screwing section 50 and the screwing section 51 perform rotary motion and perform axial motion at the same time, and under the action of the axial motion of the screwing section 51, the first step 12 is pushed and pushed, so that the main body 1, the first sealing ring 2, the optical cable 3 and the first fastening mechanism 4 are integrally pushed and fixed on the cable access hole 90.

Referring to fig. 2, the outer diameter of the end of the screwing section 50 close to the screwing section 51 is larger than that of the screwing section 51, and when the screwing section is screwed in place and the main body 1 is fixed on the cable access hole 90, the screwing section 50 abuts against or fits on the end face of the cable access hole 90 to achieve sealing.

When external threads are used for the cable inlet and outlet hole 90, as shown in fig. 5, in some preferred embodiments, a first step 12 is formed on the outer wall of the main body 1; the advancing screw cap 5 comprises a pushing section 52, a screwing section 50 and a screwing section 51 which are connected with each other, the pushing section 52 is positioned in the screwing section 51 and sleeved outside the main body 1, and a containing area 53 for containing the cable inlet and outlet hole 90 is formed between the outer wall of the pushing section 52 and the inner wall of the screwing section 51; the inner wall of the screwing section 51 is provided with an internal thread matched with the external thread of the cable inlet and outlet hole 90, the screwing section 51 is screwed on the cable inlet and outlet hole 90, one end of the cable inlet and outlet hole 90 is located in the accommodating area 53, the screwing section 50 is screwed, the screwing section 50 and the screwing section 51 perform rotary motion and perform axial motion simultaneously, and under the action of the axial motion of the screwing section 50, the pushing section 52 is driven to push the first step 12 along the axial direction of the cable inlet and outlet hole 90, so that the main body 1, the first sealing ring 2, the optical cable 3 and the first fastening mechanism 4 are integrally pushed and fixed on the cable inlet and outlet hole 90. After the fixing is completed, an end surface of the cable access hole 90 located in the receiving area 53 abuts against, contacts or leaves a space for the screwing section 50.

Referring to fig. 2 and 4, in some preferred embodiments, a sealing groove 13 is formed on the outer wall of the main body 1, and the packaging device further includes a second sealing ring 8, wherein the second sealing ring 8 is arranged on the sealing groove 13.

The outer diameter of the second sealing ring 8 is larger than the inner diameter of the cable inlet and outlet hole 90, and when the main body 1 moves into the cable inlet and outlet hole 90, the second sealing ring 8 is extruded to achieve a sealing effect.

As shown in fig. 1 and 3, in some preferred embodiments, the outer wall of the main body 1 is provided with a first guiding portion 14 matching with a second guiding portion 91 on the inner wall of the cable access hole 90, and the first guiding portion 14 and the second guiding portion 91 are configured together as: when the traveling nut 5 is screwed, the guide body 1 moves axially along the cable entry and exit hole 90 to prevent the body 1 from rotating.

In the present embodiment, the first guide portion 14 is a plane formed on the outer wall of the main body 1 and parallel to the axial direction of the main body 1, and the second guide portion 91 is a plane formed on the inner wall of the cable inlet/outlet hole 90 and parallel to the axial direction of the cable inlet/outlet hole 90, and a planar structure is adopted, which is not only simple in processing but also has little influence on the overall structure of the main body 1 and the cable inlet/outlet hole 90.

Of course, it is also possible to use guide posts and guide slots, i.e. one guide post and the other guide slot are provided in the main body 1 and the cable entry and exit hole 90.

In some preferred embodiments, referring to fig. 2 and 3, the present application further provides a nut-sealing joint box assembly, which includes a nut-sealing joint box and a packaging device, wherein a base 9 of the nut-sealing joint box is provided with a cable access hole 90; the enclosure is threaded into the cable access hole 90.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may 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 meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A packaging device for a nut sealing closure, comprising:

the optical cable connector comprises a main body (1) which is internally provided with an optical cable channel (10) penetrating through two ends of the main body;

a first sealing ring (2) arranged in the cable channel (10) and used for sealing the cable (3) passing through the cable channel (10);

-first fastening means (4) for fixing the optical cable (3) to the body (1);

the advancing nut (5) is sleeved on the outer side of the main body (1), and the advancing nut (5) is used for being screwed on a cable inlet and outlet hole (90) of the matched nut sealing joint box and is screwed to push the main body (1) to move in the cable inlet and outlet hole (90) along the axial direction of the cable inlet and outlet hole (90) until the advancing nut (5) is fixed on the nut sealing joint box.

2. The packaging device of claim 1, wherein:

a first extending part (11) is formed at one end of the main body (1);

the first fastening mechanism (4) includes a clamping plate (40) and a connecting member (41), the clamping plate (40) is provided on the first extension portion (11) and forms a space for passing a strength member (30) of the optical cable (3) between the clamping plate (40) and the first extension portion (11), and the connecting member (41) passes through the clamping plate (40) and the first extension portion (11) and is used for fastening the clamping plate (40) and the first extension portion (11) to clamp the strength member (30).

3. The packaging device of claim 1, wherein:

the packaging device further comprises a cylindrical extrusion mechanism (6), and one end of the extrusion mechanism (6) is arranged in the optical cable channel (10);

the extrusion mechanism (6) is in a working state, the optical cable (3) penetrates through the extrusion mechanism (6), the extrusion mechanism (6) is fixed in the optical cable channel (10) and extrudes the first sealing ring (2), and therefore the first sealing ring (2) is wrapped and sealed on the optical cable (3).

4. The packaging device of claim 3, wherein: the extrusion mechanism (6) is screwed in the optical cable channel (10).

5. The packaging device of claim 3, wherein:

a second extending part (60) is formed at the other end of the extruding mechanism (6), and the second extending part (60) is positioned outside the optical cable channel (10);

the packaging device further comprises a second fastening mechanism (7), wherein the second fastening mechanism (7) is used for fixing the optical cable (3) on the second extending part (60).

6. The packaging device of claim 1, wherein:

a first step (12) is formed on the outer wall of the main body (1);

the advancing nut (5) comprises a screwing section (50) and a screwing section (51) which are connected with each other, external threads matched with the internal threads of the cable inlet and outlet hole (90) are arranged on the outer wall of the screwing section (51), and the screwing section (50) is used for screwing to drive the screwing section (51) to axially push the first step (12) along the cable inlet and outlet hole (90).

7. The packaging device of claim 1, wherein:

a first step (12) is formed on the outer wall of the main body (1);

the advancing nut (5) comprises a pushing section (52), a screwing section (50) and a screwing section (51), wherein the screwing section (50) and the screwing section (51) are connected with each other, the pushing section (52) is positioned in the screwing section (51) and sleeved outside the main body (1), and a containing area (53) for containing the cable inlet and outlet hole (90) is formed between the outer wall of the pushing section (52) and the inner wall of the screwing section (51); the inner wall of the screwing section (51) is provided with an internal thread matched with the external thread of the cable inlet and outlet hole (90), and the screwing section (50) is used for screwing to drive the pushing section (52) to push the first step (12) along the axial direction of the cable inlet and outlet hole (90).

8. The packaging device of claim 1, wherein: be equipped with seal groove (13) on main part (1) outer wall, packaging hardware still includes second sealing washer (8), second sealing washer (8) are located on seal groove (13).

9. The packaging device of claim 1, wherein: the outer wall of the main body (1) is provided with a first guide part (14) matched with a second guide part (91) on the inner wall of the cable inlet and outlet hole (90), and the first guide part (14) and the second guide part (91) are jointly configured into: when the traveling nut (5) is screwed, the main body (1) is guided to move axially along the cable inlet and outlet hole (90) to prevent the main body (1) from rotating.

10. A nut sealing joint closure assembly, comprising:

a base (9) of the nut sealing joint box is provided with a cable inlet and outlet hole (90); and the number of the first and second groups,

the enclosure of claim 1, being threaded onto said access cable opening (90).