CN115395473A - A plugging device for power cable protective casing - Google Patents

Abstract

The invention provides a blocking device for a power cable protective sleeve. At least one of the first ring-shaped part and the second ring-shaped part is divided into a plurality of fastening parts, the fastening parts are sequentially connected along the circumferential direction of at least one of the first ring-shaped part and the second ring-shaped part, the inner circumferential surface of the first ring-shaped part is encircled into a first through hole, the inner circumferential surface of the second ring-shaped part is encircled into a second through hole, the first ring-shaped part is used for being sleeved on the periphery of the cable, the second ring-shaped part is used for being sleeved on a protective sleeve, the protective sleeve is sleeved on the periphery of the cable, the mounting part is connected between the first ring-shaped part and the second ring-shaped part, the mounting part is provided with a third through hole penetrating through the mounting part, and the third through hole is communicated with the first through hole and the second through hole, so that the cable sequentially penetrates through the first through hole, the third through hole and the second through hole. The plugging device can completely plug the gap between the cable and the protective sleeve, and has the advantage of good plugging effect.

Description

A plugging device for power cable protective casing

technical field

The invention relates to the technical field of cable equipment, in particular to a blocking device for a power cable protective sleeve.

Background technique

When the cable is changed from overhead to ground, it needs to pass through the vertical protective sleeve, and the diameter of the protective sleeve is generally 1.5 times the diameter of the cable. Therefore, after the cable penetrates into the protective sleeve, the distance between the cable and the protective sleeve There will be gaps in between. In the related art, in order to prevent rainwater, debris and small animals from entering the cable tunnel through the gap between the cable and the protective sleeve, the gap between the cable and the protective sleeve is filled with fireproof mud, but the fireproof mud is in the The outdoor environment is affected by temperature changes and wind, frost, rain and dew, and it is easy to fall off due to aging, and the sealing effect is difficult to last. For example: in summer, the surface temperature of the cable will reach 70-80°C, but the fireproof mud will soften at 55°C. At this time, the fireproof mud will lose its stability and sink, and it will gradually fall under the action of gravity and lose its sealing effect.

Contents of the invention

The present invention aims to solve one of the technical problems in the related art at least to a certain extent.

For this reason, the embodiment of the present invention proposes a sealing device for the protective sleeve of the power cable, and the sealing device for the protective sleeve of the power cable can completely seal the gap between the cable and the protective sleeve It has the advantage of good sealing effect.

The plugging device for the power cable protective sleeve of the embodiment of the present invention includes:

The first ring piece and the second ring piece, the axial direction of the first ring piece and the axial direction of the second ring piece are parallel to each other, and the first ring piece and the second ring piece are arranged along the first ring piece. A ring member is arranged in sequence in the axial direction, at least one of the first ring member and the second ring member is divided into a plurality of fastening portions, and the plurality of fastening portions are arranged along the first ring member and the second ring member. The circumferential direction of at least one of the second ring members is successively connected, the inner peripheral surface of the first ring member surrounds a first through hole, the inner peripheral surface of the second ring member surrounds a second through hole, the The first through hole and the second through hole are opposite and connected in the axial direction of the first ring member, the first ring member is used to be sleeved on the outer periphery of the cable, and the second ring member is used to be sleeved on the outer periphery of the cable. On the protective sleeve, the protective sleeve is set on the outer periphery of the cable;

A mounting part, the mounting part is connected between the first ring part and the second ring part, and the mounting part is provided with a third through hole passing through the mounting part along the axial direction of the first ring part , and the third through-hole is opposite to the first through-hole and the second through-hole respectively and communicates with each other, so that the cable passes through the first through-hole, the third through-hole and the second through-hole in sequence.

The plugging device for the protection sleeve of the power cable in the embodiment of the present invention can use the first ring to connect the cable, connect the second ring to the port of the protection sleeve, and then use the mounting piece to connect the first ring to the second ring. The two ring parts are connected so that the port of the protective sleeve can be blocked by the mounting piece, so as to prevent rainwater, sundries or small animals from entering the protective sleeve through the gap between the cable and the protective sleeve.

In addition, the first ring part, the mounting part and the second ring part are connected in sequence, so that the cable and the protective sleeve can be connected stably, avoiding the shaking of the cable, and reducing the abrasion between the cable and the protective sleeve.

In some embodiments, the first ring member includes a plurality of first fastening portions, one of the two adjacent first fastening portions is provided with a first protrusion, and two adjacent to the first fastening portions are provided with a first protrusion. The other one of the fastening parts is provided with a first groove matching the first protrusion, and the first protrusion is arranged adjacent to one of the two first fastening parts and adjacent to One side of the other of the two adjacent first fastening parts.

In some embodiments, the second ring member includes a plurality of second fastening portions, a second protrusion is provided on one of the two adjacent second fastening portions, and a second protrusion is provided on two adjacent second fastening portions, The other of the two fastening parts is provided with a second groove matching the second protrusion, and the second protrusion is provided adjacent to one of the two second fastening parts One side of the other of the two adjacent first fastening parts.

In some embodiments, the blocking device for the power cable protective sleeve further includes a first hoop and a second hoop, the first hoop is arranged on the outer peripheral surface of the first annular member, In order to fasten a plurality of the first fastening portions, the second hoop is provided on the outer peripheral surface of the second ring member so as to fasten the plurality of second fastening portions.

In some embodiments, the outer peripheral surface of the first annular member is provided with a first annular groove, and the first hoop is arranged in the first annular groove;

The outer peripheral surface of the second ring member is provided with a second ring groove, and the second hoop is arranged in the second ring groove.

In some embodiments, the radial dimension of the third through hole gradually decreases along the direction from the second annular member to the first annular member, and the third through hole is adjacent to one end of the second annular member The radial dimension is equal to the radial dimension of the second through hole.

In some embodiments, the mounting part is divided into a plurality of third fastening parts, and the multiple third fastening parts are sequentially connected along the circumferential direction of the mounting part.

In some embodiments, the mounting member is provided with a plurality of first connection holes, and the plurality of first connection holes are arranged at intervals along the circumference of the third through hole, and the second ring member is provided with a plurality of first connection holes. Two connecting holes, a plurality of the second connecting holes correspond to a plurality of the first connecting holes one by one, and the first connecting holes are connected to the corresponding second connecting holes through connecting pieces.

In some embodiments, the first connecting hole penetrates the mounting part along the axial direction of the first ring part; and/or,

The second connecting hole penetrates through the second ring member along the axial direction of the second ring member.

In some embodiments, at least part of the outer peripheral surface of the first annular member is provided with external threads, and the wall surface of the third through hole is provided with internal threads matching the external threads, so that the first annular The component is screwed into the third through hole.

Description of drawings

Fig. 1 is a schematic structural diagram of a blocking device for a power cable protective sleeve according to Embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of a blocking device for a power cable protective sleeve according to Embodiment 2 of the present invention.

Fig. 3 is a schematic structural view of the second embodiment of the present invention when the plugging device for the protection sleeve of the power cable is installed.

Fig. 4 is a schematic structural view of a blocking device for a power cable protective sleeve according to Embodiment 3 of the present invention.

Fig. 5 is a schematic structural view of a blocking device for a power cable protective sleeve according to Embodiment 3 of the present invention.

Fig. 6 is a schematic structural view of the installation part of the blocking device used for the protection sleeve of the power cable according to the embodiment of the present invention.

Fig. 7 is a schematic structural view of a blocking device for a protective sleeve of a power cable according to another embodiment of the present invention.

Reference signs:

cable 100; protective sleeve 200;

The first ring member 1; the first through hole 11; the first fastening part 12; the first protrusion 13; the first groove 14; the first ring groove 15; the first connecting surface;

The second ring member 2; the second through hole 21; the second fastening portion 22; the second protrusion 23; the second groove 24; the second ring groove 25; the second connection hole 26; the second connection surface;

The mounting part 3; the third through hole 31; the third fastening part 32; the first connection hole 33;

Installation body 4; installation part 41; installation surface 411; third protrusion 4111; third groove 4112; first section 412; second section 413; third section 414; third ring groove 42; fourth ring groove 43 .

Detailed ways

Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

As shown in FIGS. 1-6 , the plugging device for a power cable protective sleeve according to the embodiment of the present invention includes: a first ring part 1 , a second ring part 2 and a mounting part 3 .

The axial direction of the first annular member 1 and the axial direction of the second annular member 2 are parallel to each other, and the first annular member 1 and the second annular member 2 are along the axial direction of the first annular member 1 (as shown in the upper and lower directions in FIG. 1 ) Arranged in sequence, at least one of the first ring 1 and the second ring 2 is divided into a plurality of fastening parts, and the plurality of fastening parts are arranged along the circumference of at least one of the first ring 1 and the second ring 2. connected in sequence, the inner peripheral surface of the first annular member 1 encloses the first perforation 11, the inner peripheral surface of the second annular member 2 encloses the second perforation 21, the first perforation 11 and the second perforation 21 are in the first annular member 1 in the axial direction opposite and connected, the first ring 1 is used to be sleeved on the outer periphery of the cable 100, the second ring 2 is used to be sleeved on the protective sleeve 200, and the protective sleeve 200 is sleeved on the cable 100 peripheral.

It can be understood that the first ring part 1 can be divided into multiple fastening parts; or, the second ring part 2 can be divided into multiple fastening parts; or, both the first ring part 1 and the second ring part 2 can be Divided into multiple fastening parts, that is, the first ring 1 can be divided into multiple first fastening parts 12 , and the second ring 2 can be divided into multiple second fastening parts 22 .

The mounting part 3 is connected between the first ring part 1 and the second ring part 2, the mounting part 3 is provided with a third through hole 31 penetrating the mounting part 3 along the axial direction of the first ring part 1, and the third through hole 31 is connected with the first ring part 1 The first through hole 11 and the second through hole 21 are respectively opposite and communicate with each other, so that the cable 100 passes through the first through hole 11 , the third through hole 31 and the second through hole 21 in sequence.

Specifically, as shown in FIG. 1, the first ring member 1, the mounting member 3 and the second ring member 2 are connected once from top to bottom, and the first through hole 11, the third through hole 31 and the second through hole 21 are connected once, so that The cable 100 can be inserted into the protective sleeve 200 through the first through hole 11 and the third through hole 31 .

It can be understood that since the radial dimension of the cable 100 is smaller than the inner diameter of the protective sleeve 200 , and the first annular member 1 is sleeved on the outer peripheral surface of the cable 100 and the second annular member 2 is sleeved on the outer peripheral surface of the protective sleeve 200 Finally, after the cable 100 is inserted into the protective sleeve 200 , there is a gap between the outer peripheral surface of the cable 100 and the inner peripheral surface of the protective sleeve 200 . Thus, the installation part 3 connected between the first ring part 1 and the second ring part 2 can be used to connect the first ring part 1 and the second ring part 2, and can also block between the cable 100 and the protective sleeve 200 Clearance.

It should be noted that the installation part 3 can be connected with the first ring part 1 and the second ring part 2 through a connecting part, for example, using a screw, a bolt and the like. Alternatively, the connection can also be made via threads.

In other words, the plugging device for the power cable protective sleeve of the embodiment of the present invention can use the first ring 1 to connect to the cable 100, that is, the cable 100 passes through the first ring 1 through the first hole 11, so that the first ring Part 1 is sleeved on the outer peripheral surface of the cable 100 . Connect the second ring part 2 with the port of the protection sleeve 200 , that is, set the second ring part 2 on the port of the protection sleeve 200 . Then use the mounting part 3 to connect the first ring part 1 with the second ring part 2, so as to connect the first ring part 1 and the second ring part 2 and use the mounting part 3 to block the port of the protective sleeve 200 to avoid rainwater , debris or small animals enter the protective sleeve 200 through the gap between the cable 100 and the protective sleeve 200 .

In addition, the first ring part 1, the mounting part 3 and the second ring part 2 are connected in sequence, which can make the cable 100 and the protective sleeve 200 stably connected, avoid the shaking of the cable 100, and reduce the abrasion between the cable 100 and the protective sleeve 200 .

Embodiment one:

As shown in FIG. 1 , the first ring part 1 is divided into a plurality of first fastening parts 12 , and the second ring part 2 is integrally formed. Preferably, the mounting part 3 is also an integrally formed ring part, and the inner peripheral surface of the mounting part 3 encloses a third through hole 31 .

As shown in Figure 1, the first ring 1 includes a plurality of first fastening portions 12, one of the two adjacent first fastening portions 12 is provided with a first protrusion 13, and two adjacent first fastening portions 12 are provided with a first protrusion 13, The other one of the fixed parts 12 is provided with a first groove 14 matched with the first protrusion 13, and the first protrusion 13 is arranged on one of the adjacent two first fastening parts 12 and adjacent to the two adjacent ones. One side of the other of the first fastening parts 12.

It can be understood that the first ring member 1 may include at least two first fastening portions 12, as shown in FIG. The first fastening part 12 on the side is provided with a first protrusion 13, and the first fastening part 12 on the left side is provided with a first groove 14 matching the first protrusion 13. Therefore, the first When the ring member 1 is sleeved on the cable 100 , the first protrusion 13 can fit into the first groove 14 to prevent the two first fastening parts 12 from moving relative to each other in the up and down direction.

Specifically, as shown in FIG. 1 , the first annular member 1 can be divided into two first fastening portions 12 through a vertical (that is, up and down direction) section, and each first fastening portion The part 12 includes a vertical first connecting surface 16 , the first connecting surface 16 on the right is provided with a first protrusion 13 , and the first connecting surface 16 on the left is provided with a first groove 14 .

That is to say, during installation, the second annular member 2 can be sleeved on the port of the protective sleeve 200, and the mounting member 3 is connected to the second annular member 2 through a connecting piece, and the cable 100 is inserted into the protective sleeve through the third through hole 31. In the casing 200, after reaching the preset position, the two first fastening parts 12 are respectively placed on the outer peripheral surface of the cable 100 from both sides of the cable 100, and the first protrusion 13 and the first groove 14 Finally, the first ring piece 1 is connected with the mounting piece 3 to complete the installation of the blocking device for the power cable protective sleeve of the embodiment of the present invention.

In other words, during installation, since the length of the cable 100 inserted into the protective sleeve 200 needs to be determined according to actual working conditions, the first ring member 1 is divided into a plurality of first fastening parts 12, which are used in the embodiment of the present invention Before the sealing device of the power cable protective sleeve is completely installed, the relative movement between the cable 100 and the protective sleeve 200 can occur, that is, the length of the cable 100 inserted into the protective sleeve 200 can be changed according to the actual working conditions. Therefore, This makes the plugging device for the power cable protective sleeve of the embodiment of the present invention more practical and more convenient to install.

Embodiment two:

On the basis of Embodiment 1, the second ring member 2 is divided into a plurality of second fastening parts 22, one of the two adjacent second fastening parts 22 is provided with a second protrusion 23, and two adjacent The other one of the two second fastening parts 22 is provided with a second groove 24 matching the second protrusion 23, and the second protrusion 23 is arranged adjacent to one of the two adjacent second fastening parts 22. One side of the other of the two first fastening parts 12 is adjacent.

It can be understood that the second ring member 2 may include at least two second fastening portions 22, as shown in FIG. 2 and FIG. 3 , taking the second ring member 2 divided into two second fastening portions 22 as an example, Then the second fastening part 22 on the right side is provided with a second protrusion 23, and the second fastening part 22 on the left side is provided with a second groove 24 matching the second protrusion 23, therefore, When the second ring member 2 is sheathed on the port of the protective sleeve 200 , the second protrusion 23 can fit into the second groove 24 to prevent the two second fastening parts 22 from moving relative to each other in the up and down direction.

Specifically, as shown in FIGS. 2 and 3 , the second ring member 2 can be divided into two second fastening portions 22 through a vertical (ie, up and down) section, and each of the first The two fastening parts 22 include a vertical second connection surface 27, and the second connection surface 27 on the right side is provided with a second protrusion 23, and the second connection surface 27 on the left side is provided with a second concave Slot 24.

That is to say, as shown in Fig. 2 and Fig. 3, during installation, two second fastening parts 22 chalk can be set on the port of the protective sleeve 200 from both sides of the protective sleeve 200, so that the second protrusion 23 cooperates with the second groove 24, and connects the installation part 3 with the second ring part 2 through the connecting piece, so that the second ring part 2 is fixedly connected with the protective sleeve 200 . Insert the cable 100 into the protective sleeve 200 through the third through hole 31 until it reaches the preset position, then put the two first fastening parts 12 on the outer peripheral surface of the cable 100 from both sides of the cable 100, and make the second A protrusion 13 cooperates with the first groove 14, and finally the first ring member 1 is connected with the installation member 3, so as to complete the installation of the blocking device for the protective sleeve of the power cable according to the embodiment of the present invention.

It should be noted that during installation, the installation part 3 needs to be set on the cable 100 first, that is, when the cable 100 is inserted into the protective sleeve 200, the installation part 3 is sleeved on the outer peripheral surface of the cable 100 and is adjacent to the protective sleeve 200 until the cable 100 is inserted into the preset position, the second ring 2 and the first ring 1 are set on the protective sleeve 200 and the cable 100 respectively, and finally the first ring 1 and the first ring 1 are connected by the installation part 3 The second ring 2 is connected.

Embodiment three:

On the basis of the second embodiment, similarly, the mounting part 3 is divided into a plurality of third fastening parts 32 , and the multiple third fastening parts 32 are sequentially connected along the circumferential direction of the mounting part 3 .

That is to say, as shown in FIG. 3 and FIG. 4 , the first ring member 1 can be divided into a plurality of first fastening parts 12, the second ring member 2 can be divided into a plurality of second fastening parts 22, the mounting part 3 It can be divided into a plurality of third fastening parts 32, then during installation, after the cable 100 is inserted into the protective sleeve 200 and reaches the preset position, the second ring part 2, the mounting part 3 and the first ring part Part 1 is correspondingly installed on the outer peripheral surfaces of the protective sleeve 200 and the cable 100 .

Compared with Embodiment 2, in this embodiment, there is no restriction on the installation sequence, that is, it is not necessary to put the installation part 3 on the cable 100 before the cable 100 is inserted into the protective sleeve 200, thus improving the fault tolerance of the installation. It can also improve installation efficiency and avoid unnecessary rework.

In some embodiments, the blocking device for the power cable protective sleeve further includes a first hoop (not shown in the figure) and a second hoop (not shown in the figure), the first hoop is arranged at the second The outer peripheral surface of a ring member 1 is used for fastening a plurality of first fastening portions 12 , and the second hoop is arranged on the outer peripheral surface of the second ring member 2 for fastening a plurality of second fastening portions 22 .

It can be understood that, after the first ring 1 and the second ring 2 are installed, the first ring 1 can be fastened by using the first hoop, so that the connection between the first ring 1 and the cable 100 is more firm. . Similarly, using the second hoop to fasten the second ring member 2 can make the connection between the second ring member 2 and the protective sleeve 200 more firm.

In addition, it should be noted that the first hoop and the second hoop can also be replaced with iron wires or cable ties.

Preferably, as shown in FIGS. 1-5 , the outer peripheral surface of the first ring member 1 is provided with a first ring groove 15 , and the first hoop is arranged in the first ring groove 15 ;

The outer peripheral surface of the second ring member 2 is provided with a second ring groove 25 , and the second hoop is arranged in the second ring groove 25 .

That is to say, the arrangement of the first hoop in the first ring groove 15 can prevent relatively large relative displacement between the first hoop and the first ring member 1 in the up-down direction. Similarly, setting the second hoop in the second ring groove 25 can also prevent the second hoop and the second ring member 2 from relatively large displacement in the up-down direction. Further improve the stability of the first hoop and the second hoop when in use.

In some embodiments, the radial size of the third through hole 31 gradually decreases along the direction from the second ring member 2 to the first ring member 1, and the radial size of the end of the third through hole 31 adjacent to the second ring member 2 is the same as The radial dimensions of the second through holes 21 are equal.

Specifically, as shown in FIG. 6 , the third through-hole 31 penetrates the mounting part 3 along the up-down direction, and the radial dimension of the third through-hole 31 gradually decreases along the direction from bottom to top, and the radial dimension of the opening at the lower end of the third through-hole 31 It is equal to the radial dimension of the second through hole 21 .

That is to say, if the port height of the protective sleeve 200 is uneven (that is, the port of the protective sleeve 200 has a protruding part), after the second ring part 2 and the mounting part 3 are connected, the protruding part of the port of the protective sleeve 200 can be inserted into the In the third through hole 31 , it is avoided that the port of the protective sleeve 200 protrudes from reducing the size of the port of the protective sleeve 200 inserted into the second ring member 2 . In addition, as shown in Figure 6, the outer peripheral surface of the mounting part 3 is substantially parallel to the inner peripheral surface of the third through hole 31, that is, the outer peripheral surface of the mounting part 3 gradually decreases from bottom to top, so that the outer peripheral surface of the mounting part 3 is not easily Accumulation of external debris, rainwater, etc.

In some embodiments, the mounting part 3 is provided with a plurality of first connection holes 33, and the plurality of first connection holes 33 are arranged at intervals along the circumference of the third through hole 31, and the second ring member 2 is provided with a plurality of second connection holes. 26 , the multiple second connecting holes 26 correspond to the multiple first connecting holes 33 one by one, and the first connecting holes 33 are connected to the corresponding second connecting holes 26 through connecting pieces.

Specifically, as shown in Figures 1-6, threads are provided in the second connecting hole 26, and the mounting part 3 and the second ring member 2 can be connected by screws, that is, one end of the screw passes through the first connecting hole 33 and connects with the second connecting hole 33. The two connecting holes 26 are screwed together so that the mounting part 3 is connected with the second ring part 2 .

In some embodiments, the first connection hole 33 penetrates through the mounting part 3 along the axial direction of the first ring part 1 ; and/or, the second connection hole 26 penetrates through the second ring part 2 along the axial direction of the second ring part 2 .

It can be understood that the first connection hole 33 penetrates the mounting part 3, or the second connection hole 26 penetrates the second ring part 2, or the first connection hole 33 penetrates the mounting part 3 and the second connection hole 26 penetrates the second ring piece 2.

That is to say, when the first connecting hole 33 passes through the mounting part 3 , the mounting part 3 and the second ring part 2 can be conveniently connected by screws. When the second connecting hole 26 runs through the second ring member 2, threads can be set in the first connecting hole 33, and one end of the screw is used to pass through the second connecting hole 26 from bottom to top, and then threaded with the first connecting hole 33, In order to connect the mounting part 3 with the second ring part 2 . When the first connecting hole 33 penetrates the mounting part 3 and the second connecting hole 26 penetrates the second ring part 2 , the mounting part 3 and the second ring part 2 can be connected by bolts.

Preferably, the first connection hole 33 penetrates the mounting part 3 and the second connection hole 26 penetrates the second ring part 2 . Then, during the use of the plugging assembly of the embodiment of the present invention, because it is set outdoors for a long time, it adopts the connection method of screws, and it is easy to rust after being affected by rainwater, etc., and it is not easy to disassemble. The disassembly is convenient, and the disassembly and assembly of the blocking assembly in the embodiment of the present invention is optimized.

In some embodiments, at least part of the outer peripheral surface of the first ring member 1 is provided with external threads, and the wall surface of the third through hole 31 is provided with internal threads matching the external threads, so that the first ring member 1 and the third through hole 31 threaded connection.

Specifically, as shown in FIG. 1 , FIG. 2 , FIG. 4 and FIG. 5 , the outer peripheral surface of the lower end of the first ring member 1 is provided with external threads, and the wall surface of the upper end of the third through hole 31 is provided with internal threads.

It can be understood that after the installation part 3 is connected with the second ring part 2 , the first ring part 1 and the installation part 3 are screwed together. Alternatively, the first ring part 1 is threaded with the mounting part 3 , and then the mounting part 3 is connected with the second ring part 2 .

That is to say, the installation sequence among the first ring part 1, the installation part 3 and the second ring part 2 can be installed according to different installation sequences according to the actual working conditions, so that the installation method of the blocking assembly in the embodiment of the present invention has diversity.

In other embodiments, as shown in FIG. 7 , the blocking assembly of the embodiment of the present invention includes a mounting body 4 surrounded by a plurality of mounting parts 41, and the inner peripheral surface of the mounting body 4 is surrounded by mounting holes, and the mounting holes are in the upper and lower The direction includes a first section 412 , a second section 413 and a third section 414 which are connected in sequence, the first section 412 is used to be set on the cable 100 , and the third section 414 is used to be set on the protective sleeve 200 .

As shown in Figure 7, taking the installation body 4 surrounded by two installation parts 41 as an example, the installation body 4 can be divided into two installation parts 41 by the section along the up and down direction, and each installation part 41 includes a vertical The two mounting surfaces 411 of the mounting part 41 are provided with a third protrusion 4111 on the mounting surface 411 of the mounting part 41, and a third groove matching the third protrusion 4111 is provided on the mounting surface 411 of the other mounting part 41 4112.

It can be understood that when the cable 100 is inserted into the protective sleeve 200 and reaches the preset position, the two installation parts 41 are sleeved on the outer peripheral surfaces of the cable 100 and the protective sleeve 200, and the third protrusion 4111 is connected to the second protrusion 4111. The three grooves 4112 cooperate to prevent the relative displacement of the two mounting parts 41 in the up and down direction.

Optionally, the outer peripheral surface of the first section 412 can be fastened by a hoop, and the outer peripheral surface of the third section 414 can also be fastened by a hoop. Of course, iron wire or cable ties can also be used for fastening.

Preferably, the outer peripheral surface of the first section 412 is provided with a third annular groove 42 , and the hoop can be set in the third annular groove 42 to avoid relative displacement between the hoop and the first section 412 . Similarly, the outer peripheral surface of the third segment 414 is provided with a fourth annular groove 43 , and the hoop can be disposed in the fourth annular groove 43 .

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or element Must be in a particular orientation, be constructed in a particular orientation, and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; can be mechanically connected, can also be electrically connected or can communicate with each other; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the interaction relationship between two components, Unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, the first feature may be in direct contact with the first feature or the first and second feature may be in direct contact with the second feature through an intermediary. touch. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

As used herein, the terms "one embodiment," "some embodiments," "example," "specific examples," or "some examples" mean specific features, structures, materials, or features described in connection with the embodiment or example. A feature is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the above-mentioned embodiments have been shown and described, it can be understood that the above-mentioned embodiments are exemplary, and should not be construed as limitations on the present invention. Changes, modifications, substitutions and variations made by those skilled in the art to the above-mentioned embodiments All within the protection scope of the present invention.

Claims (10)

1. An occlusion device for a power cable protective sleeve, comprising:

the cable connector comprises a first ring piece and a second ring piece, wherein the axial direction of the first ring piece and the axial direction of the second ring piece are parallel to each other, the first ring piece and the second ring piece are sequentially arranged along the axial direction of the first ring piece, at least one of the first ring piece and the second ring piece is divided into a plurality of fastening parts, the fastening parts are sequentially connected along the circumferential direction of at least one of the first ring piece and the second ring piece, a first through hole is formed in the inner circumferential surface of the first ring piece in a surrounding mode, a second through hole is formed in the inner circumferential surface of the second ring piece in a surrounding mode, the first through hole and the second through hole are opposite to each other in the axial direction of the first ring piece and are communicated with each other, the first ring piece is used for being sleeved on the outer periphery of a cable, the second ring piece is used for being sleeved on a protective sleeve, and the protective sleeve is sleeved on the outer periphery of the cable;

a mounting member connected between the first ring member and the second ring member, the mounting member being provided with a third through hole penetrating the mounting member in an axial direction of the first ring member, and the third through hole being opposite to the first through hole and the second through hole, respectively, and communicating with each other so that the cable passes through the first through hole, the third through hole, and the second through hole in this order.

2. The blocking device for a power cable protective sleeve as claimed in claim 1, wherein the first ring member includes a plurality of first fastening portions, one of two adjacent first fastening portions is provided with a first protrusion, the other of two adjacent first fastening portions is provided with a first groove matching the first protrusion, and the first protrusion is provided on one of two adjacent first fastening portions and adjacent to one side of the other of the two adjacent first fastening portions.

3. The closure device for a power cable protective sleeve according to claim 2, wherein the second ring comprises a plurality of second fastening portions, one of two adjacent second fastening portions is provided with a second protrusion, the other of two adjacent second fastening portions is provided with a second groove matching with the second protrusion, and the second protrusion is provided on a side of one of two adjacent second fastening portions adjacent to the other of two adjacent first fastening portions.

4. The device as claimed in claim 3, further comprising a first anchor ear and a second anchor ear, wherein the first anchor ear is disposed on the outer circumferential surface of the first ring member for fastening the plurality of first fastening portions, and the second anchor ear is disposed on the outer circumferential surface of the second ring member for fastening the plurality of second fastening portions.

5. The plugging device for protecting sleeve of power cable as claimed in claim 4, wherein said first ring-shaped member has a first ring groove formed on its outer circumferential surface, and said first hoop is disposed in said first ring groove;

the outer peripheral face of the second ring-shaped piece is provided with a second annular groove, and the second hoop is arranged in the second annular groove.

6. The closure device for a power cable protective sleeve according to claim 5, wherein a radial dimension of the third perforations decreases in a direction from the second ring member towards the first ring member, the radial dimension of the third perforations adjacent to one end of the second ring member being equal to the radial dimension of the second perforations.

7. The plugging device for a power cable protective sleeve as claimed in claim 6, wherein the mounting member is divided into a plurality of third fastening portions, and the plurality of third fastening portions are connected in series in a circumferential direction of the mounting member.

8. The plugging device for a power cable protective sleeve as claimed in claim 1, wherein the mounting member is provided with a plurality of first connection holes arranged at intervals along a circumferential direction of the third through hole, the second annular member is provided with a plurality of second connection holes corresponding to the plurality of first connection holes one to one, and the first connection holes are connected to the corresponding second connection holes through connectors.

9. The closure device for a power cable protective sleeve according to claim 8, wherein the first connection aperture extends through the mounting member in an axial direction of the first ring member; and/or the presence of a gas in the gas,

the second connecting hole penetrates through the second annular piece along the axial direction of the second annular piece.

10. The plugging device for a power cable protective sleeve as claimed in claim 1, wherein at least a portion of an outer circumferential surface of the first ring member is provided with an external thread, and a wall surface of the third through hole is provided with an internal thread matching the external thread so that the first ring member is threadedly connected with the third through hole.

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