CN217587678U

CN217587678U - Optical cable connector's holding draws structure and flexible optical cable connector

Info

Publication number: CN217587678U
Application number: CN202221808406.9U
Authority: CN
Inventors: 张仁志; 唐科培; 王熙明; 席杨; 任雪松
Original assignee: Optical Science and Technology Chengdu Ltd of CNPC
Current assignee: Optical Science and Technology Chengdu Ltd of CNPC
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-10-14
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a bearing of optical cable connector draws structure and flexible optical cable connector, the first aspect, a flexible optical cable connector's bearing draws structure, which comprises a housin, the outline of casing is the rotor form, is equipped with the taper sleeve subassembly that is used for making the optical cable pass along the axis direction in the casing, and the axis of taper sleeve subassembly coincides with the axis of casing, is equipped with taper sleeve fixing bolt on the casing, and taper sleeve fixing bolt passes the casing lateral wall and is connected with the taper sleeve subassembly. In a second aspect, a bendable optical cable connector comprises the aforementioned tensile structure of the bendable optical cable connector, and further comprises a cross joint and a cross connecting block, wherein the cross connecting block is prism-shaped, the cross joint and the housing are respectively provided with connecting plates which are arranged oppositely in parallel, and the cross joint and the housing can rotate around the cross connecting block. The utility model discloses can be with optical cable fixed connection on flexible optical cable connector, can prevent simultaneously that optical cable connector from rotating around the optical cable.

Description

Optical cable connector's holding draws structure and flexible optical cable connector

Technical Field

The utility model relates to a well drilling optical cable communication technology field, concretely relates to optical cable connector hold and draw structure and flexible optical cable connector.

Background

With the development of the domestic oil drilling technology, the drilling depth is gradually improved, the length of the existing logging optical cable can not meet the logging work of an ultra-deep well gradually, and in order to meet the logging requirement, the optical cable is considered to be continuously connected with the original optical cable.

The existing optical cable is provided with an optical fiber core, a protection tube, an optical cable inner armor and an optical cable outer armor from inside to outside in sequence, when the optical cable is fixed on the optical cable connector, part of the optical cable inner armor and the optical cable outer armor which are wrapped outside the protection tube need to be removed, when the existing optical cable connector is used for connecting the optical cable, the optical cable connector is not tightly connected with the optical cable, the condition that the optical cable connector rotates around the optical cable is easily generated, the optical cable is damaged or the optical cable is separated from the optical cable connector, the tensile capacity of the optical cable connector is poor, and the optical cable connector is not suitable for being wound on a ground pulley and a cable car roller by the bendable optical cable connector to adapt to various complex well conditions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optical cable connector's bearing structure and flexible optical cable connector, it can be with optical cable fixed connection on flexible optical cable connector, can prevent simultaneously that optical cable connector from rotating around the optical cable.

In order to solve the technical problem, the utility model adopts the following scheme:

on the first hand, the tensile structure of a bendable optical cable connector is used for an optical cable which is provided with an optical fiber core, a protection tube and an optical cable protection armor from inside to outside in sequence, and comprises shells which are symmetrically arranged on two sides of the joint of two optical cables, the outer contour of each shell is in a shape of a revolving body, a taper sleeve component for enabling the optical cable to pass through along the axis direction is arranged in each shell, the axis of each taper sleeve component is overlapped with the axis of each shell, taper sleeve fixing bolts for preventing relative rotation between each shell and each taper sleeve component around the axis of the optical cable are arranged on each shell, and the taper sleeve fixing bolts penetrate through the side wall of each shell and are connected with the taper sleeve components. The taper sleeve component is used for fixing the optical cable in the shell, specifically, before installation, part of the optical cable protection armor of the optical cable is peeled off, the protection pipe in the optical cable protection armor penetrates through the taper sleeve component, and the optical cable protection armor is clamped in the taper sleeve component, so that the optical cable is fixed on the shell of the optical cable connector, and when the optical cable outside the optical cable connector generates tension to the optical cable connector, the connection between the optical cable protection armor and the taper sleeve component is more and more tightened through the arrangement of the taper sleeve component, and the tensile capacity is strong; through the setting of taper sleeve fixing bolt, the rotation of restriction taper sleeve subassembly around casing circumference avoids the optical cable connector to rotate around the optical cable.

Furthermore, the taper sleeve fixing bolt is in threaded connection with the taper sleeve assembly.

Furthermore, the taper sleeve component comprises a taper sleeve shell and an inner taper sleeve which are sequentially sleeved from outside to inside, a protection tube channel used for enabling a protection tube to penetrate is arranged in the inner taper sleeve, and when the taper sleeve component is in an installation state, an optical cable outer armor channel used for placing optical cable protection armor wrapped outside the protection tube of the optical cable is arranged between the outer side wall of the inner taper sleeve and the cavity side wall of the taper sleeve shell. The optical cable protection armor peeling device has the advantages that the protection tube of the optical cable penetrates through the protection tube channel, peeled optical cable protection armor is placed in the optical cable outer armor channel, when the optical cable outside the optical cable connector generates tension on the optical cable in the tensile structure, the inner cone sleeve moves outwards towards the optical cable, the width of the optical cable outer armor channel is reduced, and the clamping force of the inner cone sleeve and the cone sleeve shell on the optical cable protection armor positioned in the optical cable outer armor channel is increased.

Furthermore, an optical cable channel communicated with the tail end of the shell and used for enabling an optical cable to pass through is arranged in the shell, a taper sleeve cavity communicated with the optical cable channel and used for placing a taper sleeve shell is arranged in the shell, the inner diameter of the optical cable channel is smaller than the inner diameter of the taper sleeve shell, and the inner diameter of the taper sleeve cavity is matched with the maximum outer diameter of the taper sleeve shell. The taper sleeve component is used for enabling the optical cable channel and the taper sleeve to be sequentially placed towards the outside of the optical cable connection part during installation, and the taper sleeve component is prevented from moving towards the outside of the optical cable connection part through the arrangement of the taper sleeve cavity.

Further, under the state of the armor in the optical cable of optical cable protection armor and the outer armor of optical cable from inside to outside including, interior taper sleeve and the little taper sleeve of establishing including outside-in cover in proper order are equipped with the protection tube passageway that is used for making the protection tube pass in the little taper sleeve, and under the taper sleeve subassembly was in the mounted state, be equipped with the outer armor passageway of optical cable that is used for placing the outer armor of optical cable between the lateral wall of well taper sleeve and the cavity lateral wall in the taper sleeve shell, be equipped with the interior armor passageway of optical cable that is used for placing the optical cable between the inside wall of little taper sleeve and the cavity lateral wall in the well taper sleeve. The optical cable protection tube is used for enabling the stripped optical cable inner armor to be placed in the optical cable inner armor channel and the stripped optical cable outer armor to be placed in the optical cable outer armor channel by enabling the optical cable protection tube to penetrate through the protection tube channel in the small taper sleeve, so that when the tensile structure bears the tensile force outside the optical cable, the middle taper sleeve and the taper sleeve outer shell clamp the optical cable outer armor, and the small taper sleeve and the middle taper sleeve clamp the optical cable inner shell, and the optical cable connector are pulled more and more tightly.

Furthermore, a round table-shaped cavity is arranged in the taper sleeve shell, the outer contour of the middle taper sleeve is round table-shaped, the round table-shaped cavity is arranged in the middle taper sleeve, the outer contour of the small taper sleeve is round table-shaped, and a cylindrical protection pipe channel is arranged in the small taper sleeve.

Further, casing one end is equipped with the gooseneck spring of axis and the coincidence of casing axis, is equipped with the spiral installation department that is used for fixed gooseneck spring on the casing, and the spiral installation department surface is equipped with the heliciform mounting groove that is used for placing the gooseneck spring. The effect of the gooseneck spring is that, in the installation state, the spiral installation part of the shell faces away from the optical cable connection position, and the optical cable can be prevented from being broken when the end face of the spiral installation part is bent.

In a second aspect, a bendable optical cable connector comprises the aforementioned tensile structure of the bendable optical cable connector, wherein the shell is arranged at the tail end of the optical cable connector, the smaller end of the opening of the taper sleeve component faces the two sides of the optical cable connector, the bendable optical cable connector further comprises a cross joint and a cross connecting block, the cross connecting block is in a prism shape, the cross joint and the shell are respectively provided with connecting plates which are oppositely arranged in parallel, and the cross joint and the shell can rotate around the cross connecting block. The connecting plate is arranged on the side wall of the cross connecting block, and the optical cable connector can be bent through the arrangement of the cross connecting block and the connecting plate.

Further, be equipped with the optical cable through-hole that is used for making the optical cable pass through in the cross connecting block, be equipped with the cross connecting hole on the cross connecting block with optical cable through-hole place terminal surface vertically lateral wall, be equipped with the connecting plate mounting hole on the connecting plate, still include fixing bolt, under the state of connecting at the cross connecting block at the connecting plate, fixing bolt's head is located in the connecting plate mounting hole, fixing bolt's screw rod is located rather than assorted cross screwed hole, be equipped with on the terminal surface of fixing bolt head and locate the connecting plate mounting hole in be used for placing the stopping spring that fixing bolt drops. The cross connecting block is firstly installed between two parallel connecting plates on the cross connector during installation, the cross block threaded hole is corresponding to the connecting plate installation hole, fixing bolts are installed into the corresponding cross block threaded hole and the corresponding connecting plate installation hole, the heads of the fixing bolts are located in the connecting plate installation hole, when the fixing bolts are arranged in two connecting plates on one cross connector, the cross connecting block is fixed between the two connecting plates of the cross connector by the fixing bolts on two sides, and meanwhile, the cross connecting block can rotate around the axis of the fixing bolts. The anti-return spring is an annular spring piece with a notch, the outer diameter of the anti-return spring is slightly larger than the inner diameter of the connecting plate mounting hole, the anti-return spring is extruded towards the notch in a closed trend and then is installed on the end face of the fixing bolt in the connecting plate mounting hole during installation, the anti-return spring has a tendency of recovering the original shape, and the fixing bolt is prevented from falling off.

Furthermore, a spring sleeve is arranged in a section of the shell close to the joint of the optical cable, the end surface area of the spring sleeve facing the taper sleeve assembly is larger than the maximum end surface area of the taper sleeve assembly, a protection spring for protecting the optical cable is arranged in the spring sleeve, a spring sleeve optical cable hole for enabling the optical cable to pass through and a spring cavity for placing the protection spring are arranged in the spring sleeve, the axis of the spring sleeve optical cable hole coincides with the axis of the spring cavity, and the inner diameter of the spring sleeve optical cable hole is smaller than the inner diameter of the spring cavity. The optical cable connector has the advantages that the optical cable can be prevented from being scratched by the internal structure of the optical cable connector when the optical cable is bent through the arrangement of the protection spring, the optical cable connector is installed, one end of the protection spring abuts against the spring sleeve, the other end of the protection spring abuts against the end face, perpendicular to the axial direction of the protection spring, in the optical cable connector, the protection spring is prevented from moving in the optical cable connector along the extending direction of the optical cable, meanwhile, the protection spring abuts against the spring sleeve, the spring sleeve abuts against the taper sleeve assembly, and the taper sleeve assembly is further prevented from loosening and falling off.

The utility model discloses beneficial effect who has:

1. through the arrangement of the taper sleeve component, the connection between the optical cable protection armor and the taper sleeve component is tighter and tighter, and the tensile capacity is strong;

2. through the setting of taper sleeve fixing bolt, the rotation of restriction taper sleeve subassembly around casing circumference avoids the optical cable connector to rotate around the optical cable.

Drawings

Fig. 1 is a schematic perspective view of a middle bearing structure of the present invention;

FIG. 2 is an exploded perspective view of the middle bearing structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the optical cable connector according to the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

The reference numerals are explained below: 1. protecting the tube; 2. a housing; 3. a taper sleeve assembly; 4. a taper sleeve fixing bolt; 5. a taper sleeve shell; 6. an inner taper sleeve; 7. an outer armor channel of the optical cable; 8. an optical cable channel; 9. a taper sleeve cavity; 10. armor in the optical cable; 11. the optical cable is externally armored; 12. a middle taper sleeve; 13. a small taper sleeve; 14. a protection tube channel; 15. an armored channel within the optical cable; 16. a gooseneck spring; 17. a screw mounting portion; 18. a cross joint; 19. a cross connecting block; 20. an optical cable through hole; 21. a cross block connecting hole; 22. a connecting plate mounting hole; 23. fixing the bolt; 24. a spring housing; 25. a protection spring; 26. a spring housing fiber optic cable bore; 27. a spring cavity.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the terms are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise explicitly specified or limited, the terms "disposed," "opened," "mounted," "connected," and "connected" are to be construed broadly, e.g., as either a fixed connection, a detachable connection, or an integral connection; 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 invention can be understood in specific cases to those skilled in the art.

Example 1

On the first hand, as shown in fig. 1, a tensile structure of a bendable optical cable connector is used for an optical cable provided with an optical fiber core, a protection tube 1 and an optical cable protection armor from inside to outside in sequence, and includes a shell 2 symmetrically arranged on two sides of a joint of two optical cables, an outer contour of the shell 2 is in a shape of a revolution body, a taper sleeve component 3 used for enabling the optical cable to pass through along an axis direction is arranged in the shell 2, an axis of the taper sleeve component 3 is overlapped with an axis of the shell 2, a taper sleeve fixing bolt 4 used for preventing relative rotation between a shell and the taper sleeve component 3 around the axis of the optical cable is arranged on the shell 2, and the taper sleeve fixing bolt 4 passes through a side wall of the shell 2 and is connected with the taper sleeve component 3. The optical cable fixing device has the advantages that the optical cable is fixed in the shell 2 through the taper sleeve component 3, specifically, before installation, part of optical cable protection armor of the optical cable is peeled off, the protection tube 1 in the optical cable protection armor penetrates through the taper sleeve component 3, and the optical cable protection armor is clamped in the taper sleeve component 3, so that the optical cable is fixed on the shell 2 of the optical cable connector, when the optical cable outside the optical cable connector generates tension on the optical cable connector, the connection between the optical cable protection armor and the taper sleeve component 3 is more and more tightened through the arrangement of the taper sleeve component 3, and the tensile capacity is strong; through the setting of taper sleeve fixing bolt 4, restriction taper sleeve subassembly 3 is around 2 circumference's of casing rotation, avoids the optical cable connector to rotate around the optical cable.

Specifically, the taper sleeve fixing bolt 4 is in threaded connection with the taper sleeve component 3.

Specifically, as shown in fig. 2, the taper sleeve component 3 includes a taper sleeve housing 5 and an inner taper sleeve 6 which are sequentially sleeved from outside to inside, a protection tube channel 14 for allowing the protection tube 1 to pass through is arranged in the inner taper sleeve 6, and when the taper sleeve component 3 is in an installation state, an optical cable outer armor channel 7 for placing an optical cable protection armor wrapped outside the protection tube 1 of the optical cable is arranged between the outer side wall of the inner taper sleeve 6 and the cavity side wall of the taper sleeve housing 5. The optical cable protection device has the advantages that the protection tube 1 of the optical cable penetrates through the protection tube channel 14, the stripped optical cable protection armor is placed in the optical cable outer armor channel 7, when the optical cable outside the optical cable connector generates tension on the optical cable in the tensile structure, the inner cone sleeve 6 moves outwards towards the optical cable, the width of the optical cable outer armor channel 7 is reduced, and the clamping force of the inner cone sleeve 6 and the cone sleeve shell 5 on the optical cable protection armor positioned in the optical cable outer armor channel 7 is increased.

Specifically, as shown in fig. 2, an optical cable channel 8 which is communicated with the tail end of the shell 2 and is used for an optical cable to pass through is arranged in the shell 2, a taper sleeve cavity 9 which is communicated with the optical cable channel 8 and is used for placing the taper sleeve shell 5 is arranged in the shell 2, the inner diameter of the optical cable channel 8 is smaller than the inner diameter of the taper sleeve shell 5, and the inner diameter of the taper sleeve cavity 9 is matched with the maximum outer diameter of the taper sleeve shell 5. The taper sleeve component 3 is used for enabling the optical cable channel 8 and the taper sleeve to be sequentially placed towards the outside of the optical cable connection part during installation, and the taper sleeve component 3 is prevented from moving towards the outside of the optical cable connection part through the arrangement of the taper sleeve cavity 9.

Specifically, as shown in fig. 2, in a state that the optical cable protection armor of the optical cable includes an optical cable inner armor 10 and an optical cable outer armor 11 from inside to outside, the inner taper sleeve 6 includes a middle taper sleeve 12 and a small taper sleeve 13 which are sequentially sleeved from outside to inside, a protection tube channel 14 for allowing the protection tube 1 to pass through is arranged in the small taper sleeve 13, when the taper sleeve assembly 3 is in an installation state, an optical cable outer armor channel 7 for accommodating the optical cable outer armor 11 is arranged between the outer side wall of the middle taper sleeve 12 and the cavity side wall in the taper sleeve housing 5, and an optical cable inner armor channel 15 for accommodating the optical cable inner cable is arranged between the inner side wall of the small taper sleeve 13 and the cavity side wall in the middle taper sleeve 12. The method has the advantages that the stripped optical cable inner armor 10 is placed into the optical cable inner armor channel 15 by enabling the protective tube 1 of the optical cable to penetrate through the protective tube channel 14 in the small taper sleeve 13, the stripped optical cable outer armor 11 is placed into the optical cable outer armor channel 7, when the tensile structure bears the tensile force outside the optical cable, the middle taper sleeve 12 and the taper sleeve outer shell 5 clamp the optical cable outer armor 11, and the small taper sleeve 13 and the middle taper sleeve 12 clamp the optical cable inner shell, so that the optical cable and the optical cable connector are pulled more and more tightly.

Specifically, as shown in fig. 2, a truncated cone-shaped cavity is arranged inside the taper sleeve housing 5, the outer contour of the middle taper sleeve 12 is truncated cone-shaped, the truncated cone-shaped cavity is arranged inside the middle taper sleeve 12, the outer contour of the small taper sleeve 13 is truncated cone-shaped, and the cylindrical protection pipe channel 14 is arranged inside the small taper sleeve 13.

Specifically, as shown in fig. 2, one end of the housing 2 is provided with a gooseneck spring 16 whose axis coincides with the axis of the housing 2, the housing 2 is provided with a spiral mounting portion 17 for fixing the gooseneck spring 16, and the outer surface of the spiral mounting portion 17 is provided with a spiral mounting groove for placing the gooseneck spring 16. The effect is that, in the installation state, the spiral installation part 17 of the shell 2 is placed far away from the optical cable connection position, and the optical cable can be prevented from being broken when the end face of the spiral installation part 17 is bent through the arrangement of the gooseneck spring 16.

In a second aspect, as shown in fig. 3, a bendable optical cable connector includes the above-mentioned tensile structure of a bendable optical cable connector, the housing 2 is disposed at the end of the optical cable connector, and the smaller opening end of the taper sleeve component 3 faces the two sides of the optical cable connector, and further includes a cross joint 18 and a cross connection block 19, the cross connection block 19 is prism-shaped, the cross joint 18 and the housing 2 are both provided with parallel connection plates disposed oppositely, and the cross joint 18 and the housing 2 can rotate around the cross connection block 19. The connecting plate is arranged on the side wall of the cross connecting block 19, and the optical cable connector can be bent through the arrangement of the cross connecting block 19 and the connecting plate.

Specifically, as shown in fig. 4, an optical cable through hole 20 for allowing an optical cable to pass through is arranged in the cross-shaped connecting block 19, a cross connecting hole 21 is arranged on a side wall, perpendicular to the end face where the optical cable through hole 20 is located, of the cross-shaped connecting block 19, a connecting plate mounting hole 22 is arranged on the connecting plate, the fixing bolt 23 is further included, the head of the fixing bolt 23 is arranged in the connecting plate mounting hole 22 in the state that the connecting plate is connected to the cross-shaped connecting block 19, a screw of the fixing bolt 23 is arranged in the cross threaded hole matched with the screw, and a retaining spring, arranged in the connecting plate mounting hole 22 and used for placing the fixing bolt 23 to fall off, is arranged on the end face of the head of the fixing bolt 23. The cross connecting block 19 is firstly installed between two parallel connecting plates on the cross joint 18 during installation, the threaded hole of the cross block corresponds to the connecting plate installing hole 22, the fixing bolt 23 is installed into the corresponding threaded hole of the cross block and the connecting plate installing hole 22, the head of the fixing bolt 23 is located in the connecting plate installing hole 22, when the fixing bolt 23 is arranged in each of the two connecting plates on one cross joint 18, the cross connecting block 19 is fixed between the two connecting plates of the cross joint 18 by the fixing bolts 23 on the two sides, and meanwhile, the cross connecting block 19 can rotate around the axis of the fixing bolt 23. The anti-return spring is an annular spring piece with a notch, the outer diameter of the anti-return spring is slightly larger than the inner diameter of the connecting plate mounting hole 22, the anti-return spring is extruded towards the notch closing trend and then is installed on the end face of the fixing bolt 23 in the connecting plate mounting hole 22 during installation, the anti-return spring has the tendency of recovering the original shape, and the fixing bolt 23 is prevented from falling off.

Specifically, as shown in fig. 2 and 4, a spring sleeve 24 is arranged in a section of the housing 2 adjacent to the cable connection, a protection spring 25 for protecting the cable is arranged in the spring sleeve 24, a spring sleeve cable hole 26 for passing the cable and a spring cavity 27 for placing the protection spring 25 are arranged in the spring sleeve 24, the spring sleeve cable hole 26 coincides with an axis of the spring cavity 27, and the inner diameter of the spring sleeve cable hole 26 is smaller than that of the spring cavity 27. The optical cable connector has the advantages that the protective spring 25 is arranged, the optical cable can be prevented from being scratched by the internal structure of the optical cable connector when the optical cable is bent, the optical cable connector is installed, one end of the protective spring 25 abuts against the spring sleeve 24, the other end of the protective spring 25 abuts against the end face, perpendicular to the axial direction of the protective spring 25, in the optical cable connector, the protective spring 25 is prevented from moving in the optical cable connector along the extending direction of the optical cable, meanwhile, the conical sleeve component 3 is further prevented from loosening and falling off due to the fact that the protective spring 25 abuts against the spring sleeve 24 and the spring sleeve 24 abuts against the conical sleeve component 3.

The working principle of the utility model is explained as follows: when the tensile structure is installed on an optical cable connector, a spring sleeve 24, a taper sleeve component 3 and a gooseneck spring 16 are sequentially arranged on a shell 2 outwards by taking an optical cable connection part as a center, the outer diameter of the shell 2 is sequentially reduced along the direction, each end face in the taper sleeve component 3 is sequentially reduced and placed along the direction, when an optical cable positioned outside the optical cable connector generates tension on the optical cable in the tensile structure, because the inner armor 10 of the optical cable is arranged in the inner armor channel 15 of the optical cable, the outer armor 11 of the optical cable is arranged in the outer armor channel 7 of the optical cable, and when the optical cable moves towards the outside of the optical cable connector, the inner armor 10 of the optical cable drives the small taper sleeve 13 to move towards the outside of the optical cable connector, so that the inner armor 10 of the optical cable is clamped, and the outer armor 11 of the optical cable drives the middle taper sleeve 12 to move towards the outside of the optical cable connector, so that the outer armor 11 of the optical cable is clamped; through the setting of taper sleeve locking bolt after the installation, thereby can prevent that the optical cable connector from rotating around the optical cable through preventing that casing 2 from rotating around taper sleeve subassembly 3, avoid causing the optical cable to damage.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a structure is drawn in holding of optical cable connector for be equipped with the optical cable of optic fibre core, protection tube (1), optical cable protection armour from inside to outside in proper order, set up casing (2) in two optical cable junction both sides including the symmetry, its characterized in that: the outer contour of the shell (2) is in a shape of a rotary body, a taper sleeve component (3) used for enabling the optical cable to penetrate along the axis direction is arranged in the shell (2), the axis of the taper sleeve component (3) coincides with the axis of the shell (2), a taper sleeve fixing bolt (4) used for preventing relative rotation between the shell and the taper sleeve component (3) around the axis of the optical cable is arranged on the shell (2), and the taper sleeve fixing bolt (4) penetrates through the side wall of the shell (2) and is connected with the taper sleeve component (3).

2. The structure of claim 1, wherein: the taper sleeve fixing bolt (4) is in threaded connection with the taper sleeve component (3).

3. The structure of claim 1, wherein: taper sleeve subassembly (3) are equipped with protection tube passageway (14) that are used for making protection tube (1) pass including taper sleeve shell (5), interior taper sleeve (6) that outside-in overlaps in proper order was established in interior taper sleeve (6), are in under the installation status when taper sleeve subassembly (3), are equipped with between the lateral wall of interior taper sleeve (6) and the cavity lateral wall of taper sleeve shell (5) and are used for placing outer armour passageway (7) of optical cable protection armour of parcel outside protection tube (1) of optical cable.

4. A tension structure of optical cable connector according to claim 3, wherein: be equipped with in casing (2) and be used for making optical cable pass through optical cable passageway (8) with casing (2) end is linked together, be equipped with in casing (2) and link to each other with optical cable passageway (8) and be used for placing taper sleeve cavity (9) of taper sleeve shell (5), the internal diameter of optical cable passageway (8) is less than the internal diameter of taper sleeve shell (5), the internal diameter of taper sleeve cavity (9) and the biggest external diameter phase-match of taper sleeve shell (5).

5. A tension structure of optical cable connector according to claim 3, wherein: under the state of armouring (10) in the optical cable and the outer armouring (11) of optical cable in the optical cable from inside to outside of optical cable protection armour of optical cable, interior taper sleeve (6) are equipped with protection tube passageway (14) that are used for making protection tube (1) pass including well taper sleeve (12) and little taper sleeve (13) that outside-in overlaps in proper order was established, are equipped with optical cable outer armour passageway (7) that are used for placing optical cable outer armour (11) between the lateral wall of well taper sleeve (12) and the cavity lateral wall in taper sleeve shell (5) when taper sleeve subassembly (3) are in the mounted state, are equipped with armoured passageway (15) in the optical cable that are used for placing optical cable between the inside wall of little taper sleeve (13) and the cavity lateral wall in well taper sleeve (12).

6. The structure of claim 5, wherein: the cone sleeve is characterized in that a circular truncated cone-shaped cavity is arranged inside the cone sleeve shell (5), the outer contour of the middle cone sleeve (12) is circular truncated cone-shaped, the circular truncated cone-shaped cavity is arranged in the middle cone sleeve (12), the outer contour of the small cone sleeve (13) is circular truncated cone-shaped, and a cylindrical protective pipe channel (14) is arranged in the small cone sleeve (13).

7. The tension structure of optical cable connector according to claim 1, wherein: casing (2) one end is equipped with axis and casing (2) axis coincidence's gooseneck spring (16), is equipped with spiral installation portion (17) that are used for fixed gooseneck spring (16) on casing (2), and spiral installation portion (17) surface is equipped with the heliciform mounting groove that is used for placing gooseneck spring (16).

8. A bendable optical cable connector, characterized by: a tensile structure comprising a bendable optical cable connector according to any one of claims 1-7, further comprising a cross joint (18) and a cross connecting block (19), wherein the cross connecting block (19) is prism-shaped, parallel connecting plates are arranged on the cross joint (18) and the housing (2), and the cross joint (18) and the housing (2) can rotate around the cross connecting block (19).

9. A bendable optical cable connector according to claim 8, wherein: be equipped with in cross connecting block (19) and be used for making the optical cable pass through optical cable through-hole (20), be equipped with cross connecting hole (21) on cross connecting block (19) with optical cable through-hole (20) place terminal surface vertically lateral wall, be equipped with connecting plate mounting hole (22) on the connecting plate, still include fixing bolt (23), under the state of connecting plate connection in cross connecting block (19), the head of fixing bolt (23) is located in connecting plate mounting hole (22), the screw rod of fixing bolt (23) is located rather than assorted cross threaded hole, be equipped with on the terminal surface of fixing bolt (23) head and locate the connecting plate mounting hole (22) in be used for placing the stopping spring that fixing bolt (23) drop.

10. The bendable optical cable connector of claim 8, wherein: the optical cable protection device is characterized in that a spring sleeve (24) is arranged in the shell (2), a protection spring (25) used for protecting an optical cable is arranged in the spring sleeve (24), a spring sleeve optical cable hole (26) used for enabling the optical cable to pass through and a spring cavity (27) used for placing the protection spring (25) are arranged in the spring sleeve (24), the axis of the spring sleeve optical cable hole (26) and the axis of the spring cavity (27) coincide, and the inner diameter of the spring sleeve optical cable hole (26) is smaller than that of the spring cavity (27).