CN216485705U

CN216485705U - Optical cable strain clamp

Info

Publication number: CN216485705U
Application number: CN202122088032.XU
Authority: CN
Inventors: 陈应东; 徐灶良; 余敏函; 陶晓明; 徐灏暄; 方建荣
Original assignee: Hangzhou Runzhou Optoelectronic Technology Co ltd
Current assignee: Hangzhou Runzhou Optoelectronic Technology Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-05-10
Anticipated expiration: 2031-08-31

Abstract

The utility model relates to an optical cable strain clamp, which comprises: the inner part of the shell is provided with a cavity in a penetrating way; the plug block is inserted into the cavity, a first side face of the plug block and/or a first side wall of the cavity are/is provided with a protruding part, the first side face and the first side wall are arranged at intervals, and a second side face of the plug block is abutted to a second side wall of the cavity; wherein, the optical cable compresses tightly and sets up between first side and first lateral wall. According to the technical scheme, the optical cable penetrates through the notch to enter the cavity, the inserting block is inserted into the cavity, the optical cable is tightly pressed between the first side face and the first side wall, the second side face of the inserting block is abutted to the second side wall of the cavity, and the first side face and/or the first side wall are/is provided with the protruding parts which are abutted to the optical cable, so that the optical cable is prevented from being excessively flattened, a transmission line in the optical cable cannot be broken due to extrusion, and the line can be normally used.

Description

Optical cable strain clamp

Technical Field

The utility model relates to the field of strain clamps, in particular to an optical cable strain clamp.

Background

The strain clamp is used for fixing a lead to bear the tension of the lead and hanging the lead to a strain insulator-string group or a hardware fitting on a tower. The strain clamp is used for corner connection, connection and terminal connection. At present, what current wedge strain clamp adopted between its wedge seat and the wedge usually is split type structure, and after the optical cable inserted the wedge seat, the wedge inserted again, and the wedge can extrude the optical cable, leads to the optical cable to be excessively flattened, and inside transmission line fracture, the optical cable is extruded to the fracture at the minimum of wedge even to make the unable normal use of circuit.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an optical cable strain clamp which has the characteristics of preventing an optical cable from deforming and even breaking and has better applicability.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an optical cable strain clamp comprising: the inner part of the shell is provided with a cavity in a penetrating way; the plug block is inserted into the cavity, a first side face of the plug block and/or a first side wall of the cavity are/is provided with a protruding part, the first side face and the first side wall are arranged at intervals, and a second side face of the plug block is abutted to a second side wall of the cavity; wherein, the optical cable compresses tightly and sets up between first side and first lateral wall.

Preferably, the width of the upper end of the cavity is greater than the width of the lower end of the cavity; the width of the upper end of the insertion block is larger than that of the lower end of the insertion block.

Preferably, the protruding portion is provided in a plurality, each protruding portion extends along the horizontal direction, and each protruding portion is spaced up and down.

Preferably, a first mounting groove is formed in the first side face, a second mounting groove is formed in the first side wall, and the section of the first mounting groove and the section of the second mounting groove after splicing are circular or oval; the optical cable is arranged between the first mounting groove and the second mounting groove.

Preferably, the anti-skid rubber strip is arranged on the inner side wall of the cavity and/or the outer side surface of the inserting block.

Preferably, the upper end of the shell is also provided with a connecting block, and the connecting block is provided with a connecting hole.

Preferably, the connector further comprises a connecting wire, one end of the connecting wire is connected with the shell, and the other end of the connecting wire is connected with the inserting block.

Preferably, the clamping device further comprises a pressing part, the width of the upper end of the pressing part is larger than that of the lower end of the pressing part, and the lower end of the pressing part is fixedly connected with the upper end of the inserting block.

Compared with the prior art, the utility model has the beneficial effects that:

the optical cable strain clamp provided in the technical scheme is provided with a cavity in the shell. In the optical cable got into the cavity, the inserted block was inserted again and is located the cavity, and the first side set up with the first side wall interval of cavity, and the optical cable compresses tightly and sets up between first side and first side wall, and the second side of inserted block sets up with the second side wall butt of cavity, prevents that the inserted block from droing. The first side and/or be equipped with the bulge on the first lateral wall, bulge and optical cable butt, the first side gives the pressure of optical cable is shared by the bulge, and the lower extreme of first side and first lateral wall all does not all with the optical cable butt, consequently optical cable strain clamp can prevent that the optical cable from being excessively flattened, and the inside transmission line of optical cable can not receive the extrusion and the fracture, and the circuit can normal use.

Drawings

Fig. 1 is a schematic view of a strain clamp for an optical cable according to an embodiment of the present invention.

Fig. 2 is an assembly view of a housing, a plug, and a fiber optic cable provided by an embodiment of the present invention.

Fig. 3 is a cross-sectional view of a housing provided by an embodiment of the present invention.

Fig. 4 is a schematic diagram of an insert block according to a first embodiment.

Fig. 5 is a schematic diagram of an insert block according to a second embodiment.

Fig. 6 is a schematic view of a housing provided in the second embodiment.

Fig. 7 is a schematic diagram of an insert block according to a third embodiment.

1. A housing; 11. a cavity; 111. a first side wall; 112. a second side wall; 113. a second mounting groove; 12. a notch; 13. connecting blocks; 14. connecting holes; 2. inserting a block; 21. a first side surface; 22. a second side surface; 23. a projection; 24. a first mounting groove; 25. a pressing part; 3. an optical cable; 4. and connecting the wires.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, in which the description of the utility model is given by way of illustration and not of limitation. The various embodiments may be combined with each other to form other embodiments not shown in the following description.

Referring to fig. 1-2, an embodiment of the present invention provides a strain clamp for an optical cable, including: the device comprises a shell 1, an insert block 2 and a connecting wire 4.

Wherein, a cavity 11 is arranged in the shell 1 in a penetrating way; the insert block 2 is inserted into the cavity 11, a first side surface 21 of the insert block 2 and/or a first side wall 111 of the cavity 11 are provided with a protruding part 23, the first side surface 21 and the first side wall 111 are arranged at intervals, and a second side surface 22 of the insert block 2 is abutted to a second side wall 112 of the cavity 11; wherein the optical cable 3 is arranged in a compressed manner between the first side 21 and the first side wall 111.

More preferably, one end of the connecting wire 4 is connected to the housing 1, and the other end of the connecting wire is connected to the insert block 2, so that the housing 1 or the insert block 2 is prevented from being lost and the use is prevented from being affected.

Referring to fig. 3, the housing 1 is wedge-shaped, and a cavity 11 is formed inside the housing, and the cavity 11 is also wedge-shaped. The width of the upper end of the shell 1 is larger than that of the lower end of the shell 1, and the width of the upper end of the cavity 11 is larger than that of the lower end of the cavity 11. The sidewall on the left side of the cavity 11 is a first sidewall 111, and the sidewall on the right side of the cavity 11 is a second sidewall 112. Of course, in other embodiments, the sidewall on the left side of the cavity 11 may also be the second sidewall 112, and the sidewall on the right side of the cavity 11 may also be the first sidewall 111.

More preferably, the notch 12 is disposed on the front side surface of the housing 1 in a penetrating manner along the vertical direction, and the notch 12 is disposed in communication with the cavity 11. The cable strain clamp can be added in the middle of the optical cable 3. The optical cable 3 can pass through the gap 12 into the cavity 11.

More preferably, the upper end of the outer shell 1 is further provided with the connecting block 13, the connecting block 13 is further provided with a connecting hole 14, and a fastening member can penetrate through the connecting hole 14 to be connected with equipment such as a tower, so that the outer shell 1 is fixed on the equipment such as the tower.

Referring to fig. 4, the insert 2 is wedge-shaped, and the shape of the insert 2 corresponds to the shape of the cavity 11. The width of the upper end of the insert block 2 is greater than the width of the lower end of the insert block 2. The side surface of the left side of the insert block 2 is a first side surface 21, and the side surface of the right side of the insert block 2 is a second side surface 22. Of course, in other embodiments, the side surface on the left side of the insert block 2 may also be the second side surface 22, and the side surface on the right side of the insert block 2 may also be the first side surface 21.

More preferably, the upper end of the insert block 2 is further provided with a pressing portion 25, and a user can press the insert block 2 into the cavity 11 by pressing the upper end of the pressing portion 25. The width of the upper end of the compressing part 25 is larger than that of the lower end of the compressing part 25, so that a user can conveniently hold the lower end of the compressing part 25 to take the insert block 2 out of the cavity 11.

In order to prevent the insert 2 from falling out of the cavity 11, anti-slip rubber strips may be disposed on each side wall of the cavity 11 and each side surface of the insert 2. When the insert block 2 is inserted into the cavity 11, the anti-skid rubber strip is tightly pressed between the side wall of the cavity 11 and the side surface of the insert block 2, so that the friction force between the side wall of the cavity 11 and the insert block 2 can be greatly enhanced, and the insert block 2 is prevented from falling off.

In the first embodiment, in order to prevent the optical cable 3 from being broken between the lower end of the first side surface 21 and the lower end of the first side wall 111, the first side surface 21 and the second side surface 22 may be provided with the projections 23, or the first side wall 111 and the second side wall 112 may be provided with the projections 23. Alternatively, the first side surface 21, the second side surface 22, the first side wall 111, and the second side wall 112 may be provided with the protruding portion 23. The plurality of the protruding portions 23 extend in the horizontal direction, and each protruding portion 23 is arranged at an interval in the vertical direction.

It is easy to think that the optical cable 3 is compressed between the first side surface 21 and the first side wall 111, and the pressure of the first side surface 21 on the optical cable 3 is increased as the insert block 2 is continuously pressed down, and at this time, since the distance between the lower end of the first side wall 111 and the lower end of the second side wall 112 is constant, but the insert block 2 having a larger width is pushed into between the lower end of the first side wall 111 and the lower end of the second side wall 112 as the insert block 2 is pressed down, the pressure applied to the optical cable 3 between the lower end of the first side surface 21 and the lower end of the first side wall 111 is the largest, and the optical cable is most easily broken.

More preferably, in the case where the protruding portion 23 is provided on the first side surface 21, the protruding portion 23 abuts against the optical fiber cable 3 instead of the first side surface 21, and although the contact surface with the optical fiber cable 3 is reduced, the protruding portion 23 always abuts against the optical fiber cable 3 during the continuous pressing of the insert block 2, and the lower end of the first side surface 21 and the lower end of the first side wall 111 do not abut against the optical fiber cable 3, so that the optical fiber cable 3 can be prevented from being broken between the lower end of the first side surface 21 and the lower end of the first side wall 111.

Referring to fig. 5 to 6, in the second embodiment, a first installation groove 24 is formed on the first side surface 21, and the first installation groove 24 extends along the length direction of the first side surface 21. The first side wall 111 is correspondingly provided with a second mounting groove 113, and the second mounting groove 113 extends along the length direction of the first side wall 111. In this embodiment, the first side surface 21 and the first side wall 111 may be disposed in contact with each other, or may be disposed at an interval. The first installation groove 24 and the second installation groove 113 can be circular or elliptical in cross section after being spliced and are matched with the optical cable 3. The optical cable 3 is disposed between the first mounting groove 24 and the second mounting groove 113, so that the optical cable 3 is not subjected to a pressure applied by the first side surface 21, and the optical cable 3 is prevented from being excessively deformed to cause a breakage of an internal transmission line.

Referring to fig. 7, in a third embodiment, the first side surface 21 and the second side surface 22 may be provided with a protrusion 23, or the first side wall 111 and the second side wall 112 may be provided with a protrusion 23. Alternatively, the first side surface 21, the second side surface 22, the first side wall 111, and the second side wall 112 may be provided with the protruding portion 23. And, be equipped with first mounting groove 24 on first side 21, be equipped with second mounting groove 113 on first lateral wall 111, optical cable 3 set up in first mounting groove 24 with between the second mounting groove 113. Therefore, the optical cable 3 is not subjected to the pressure applied by the first side surface 21, and the optical cable 3 is prevented from being excessively deformed to cause breakage of the transmission line inside.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. An optical cable strain clamp, its characterized in that includes:

the inner part of the shell (1) is provided with a cavity (11) in a penetrating way;

the plug block (2) is inserted into the cavity (11), a first side surface (21) of the plug block (2) and/or a first side wall (111) of the cavity (11) are provided with a protruding part (23), the first side surface (21) and the first side wall (111) are arranged at intervals, and a second side surface (22) of the plug block (2) is abutted to a second side wall (112) of the cavity (11);

wherein the optical cable (3) is arranged between the first side surface (21) and the first side wall (111) in a pressing manner.

2. The cable strain clamp of claim 1, wherein the width of the upper end of the cavity (11) is greater than the width of the lower end of the cavity (11); the width of the upper end of the insertion block (2) is larger than that of the lower end of the insertion block (2).

3. The strain clamp for optical cable of claim 1, wherein the plurality of the projections (23) are provided, each of the projections (23) extends in a horizontal direction, and each of the projections (23) is spaced apart from each other in an up-and-down direction.

4. The strain clamp for optical cables as claimed in claim 1, wherein a first mounting groove (24) is formed on the first side surface (21), a second mounting groove (113) is formed on the first side wall (111), and the cross section of the first mounting groove (24) and the second mounting groove (113) after being spliced is circular or oval; the optical cable (3) is arranged between the first mounting groove (24) and the second mounting groove (113).

5. The optical cable strain clamp of claim 1, further comprising an anti-slip rubber strip, wherein the anti-slip rubber strip is arranged on the inner side wall of the cavity (11) and/or the outer side surface of the insertion block (2).

6. The cable strain clamp of claim 1, wherein the housing (1) is further provided with a connecting block (13) at an upper end thereof, and the connecting block (13) is provided with a connecting hole (14).

7. The cable strain clamp of claim 1, further comprising a connecting wire (4), wherein one end of the connecting wire (4) is connected to the housing (1) and the other end is connected to the insert block (2).

8. The cable strain clamp of claim 1, further comprising a compression portion (25), wherein the upper end of the compression portion (25) has a width greater than the width of the lower end of the compression portion (25), and the lower end of the compression portion (25) is fixedly connected to the upper end of the insert block (2).

9. The cable strain clamp of claim 1, wherein a notch (12) is further formed in one side of the housing (1), the notch (12) is communicated with the cavity (11), and the middle of the optical cable (3) passes through the notch (12) and enters the cavity (11).