CN219458642U - Plugging head for pipe orifice of cable pipe - Google Patents
Plugging head for pipe orifice of cable pipe Download PDFInfo
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- CN219458642U CN219458642U CN202320346397.4U CN202320346397U CN219458642U CN 219458642 U CN219458642 U CN 219458642U CN 202320346397 U CN202320346397 U CN 202320346397U CN 219458642 U CN219458642 U CN 219458642U
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Abstract
The utility model provides a plugging head of a cable pipe orifice, which comprises a plugging head body made of elastic materials, wherein the plugging head body comprises an inner cylinder with a cable mounting hole and an outer cylinder with a clamping hole; the inner cylinder is clamped in the clamping hole of the outer cylinder; the plugging head comprises a plugging head body, and is characterized by further comprising a plurality of groups of axial locking mechanisms which enable the plugging head body to expand along the radial direction of the cable installation hole, wherein the plurality of groups of axial locking mechanisms are uniformly arranged at intervals along the circumferential direction of the cable installation hole. When the cable penetrating into the cable tube needs to be replaced and the thickness of the newly penetrated cable is different from that of the previously penetrated cable aiming at the same cable tube, the gap between the cable tube and the cable can be plugged while saving materials. Has the advantages of simple structure, convenient installation, easy implementation, good waterproof and seepage-proof effects, etc.
Description
Technical Field
The utility model belongs to the technical field of electric circuit construction, and particularly relates to a plugging head for a pipe orifice of a cable pipe.
Background
In buried cabling, it is often necessary to run cables through cable pipes as they enter/exit buildings, cable entry/exit cable wells, span roads, span gutters, span other intersecting lines. The cable and the cable tube are provided with a mounting gap, so that the pipe orifice of the cable tube is usually plugged in order to avoid infiltration of underground water, rainwater and the like from the pipe orifice of the cable tube. The traditional method is to plug the orifice of the cable pipe by adopting gel materials, but the method has the defects of inconvenient construction, poor plugging effect and the like.
Aiming at the technical problems, a blocking head is generally adopted to block the orifice of the cable pipe. The current shutoff head has multiple structural style, for example patent document of application number 201320299566.X discloses a flexible shutoff piece of cable pipe hole ring flange, and it includes the shutoff piece body of making by flexible material, is equipped with the round hole of cup jointing the cable on the shutoff piece body, and the shutoff piece body is the cylindricality, and the edge of the circular side of shutoff piece body is equipped with a plurality of through-holes 301 along axial direction, and two circular sides of shutoff piece body all are equipped with the ring flange, and the hole on the ring flange is relative with through-hole 301, and hole and through-hole 301 cross-under on the ring flange have the bolt, and the one end of bolt is equipped with the nut. Through plugging the plugging piece body into the cable pipe, screwing the bolt and the nut, the flange plate extrudes the plugging piece body, so that the plugging piece is deformed and expanded outwards, and the cable pipe is sealed. In the actual construction process, when the cable penetrating into the cable pipe needs to be replaced and the thickness of the newly penetrated cable is different from that of the previously penetrated cable, in order to enable the plugging piece to plug gaps between the cable pipe and the cable, the plugging piece and the material waste of various types with different round hole sizes need to be processed.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a plugging head for a pipe orifice of a cable pipe, which can be used for plugging a gap between the cable pipe and a cable while saving materials when cables penetrating the cable pipe need to be replaced and the thickness of the newly penetrated cable is different from that of the previously penetrated cable aiming at the same cable pipe.
The technical scheme adopted for solving the technical problems is as follows: the plugging head of the cable pipe orifice comprises a plugging head body made of elastic materials, wherein the plugging head body comprises an inner cylinder with a cable mounting hole and an outer cylinder with a clamping hole; the inner cylinder is clamped in the clamping hole of the outer cylinder;
the plugging head comprises a plugging head body, and is characterized by further comprising a plurality of groups of axial locking mechanisms which enable the plugging head body to expand along the radial direction of the cable installation hole, wherein the plurality of groups of axial locking mechanisms are uniformly arranged at intervals along the circumferential direction of the cable installation hole.
Further, the axial locking mechanism comprises a screw rod and a nut in threaded fit with the screw rod;
a connecting cylinder made of elastic materials is arranged at one axial end of the inner cylinder, the connecting cylinder and the inner cylinder are coaxially arranged, and a through hole in the center of the connecting cylinder is equal-diameter and communicated with the cable mounting hole; the outer diameter of the connecting cylinder is equal to that of the outer cylinder;
the axial direction of the screw rod is parallel to the axial direction of the outer cylinder; one end of the screw rod is connected with the outer cylinder, and the other end of the screw rod penetrates through the connecting cylinder and is locked through the nut.
Further, the connecting cylinder and the inner cylinder are of an integrally formed integral structure.
Further, the device also comprises a reinforcing plate, wherein the reinforcing plate is connected with the connecting cylinder and is positioned on the end surface of the connecting cylinder, which is opposite to the inner cylinder; the screw rod passes through the reinforcing plate to be installed;
the reinforcing plates are arranged in a plurality, and the reinforcing plates are uniformly arranged at intervals along the circumference of the cable mounting hole.
Further, the reinforcing plate is of an arc-shaped structure which is bent towards the center of the through hole.
Further, the inner cylinder is connected with the connecting cylinder to form a plugging seat, a first through seam is formed on the plugging seat, and the first through seam penetrates through the side wall of the plugging seat along the axial direction and the radial direction of the cable mounting hole;
the outer cylinder is provided with a second through seam, and the second through seam penetrates through the side wall of the outer cylinder along the axial direction and the radial direction of the clamping hole.
Further, the first through-slit and the second through-slit are staggered.
Further, one end of the inner cylinder adjacent to the connecting cylinder is a connecting end, and the other end is a free end; the outer diameter of the inner cylinder gradually decreases along the direction from the connecting end to the free end;
the clamping hole of the outer cylinder is matched with the inner cylinder.
Further, the inner cylinder, the connecting cylinder and the outer cylinder are all rubber products.
Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a plugging head for a pipe orifice of a cable pipe, which aims at the same cable pipe, saves materials and plugs gaps between the cable pipe and cables with different thicknesses. Has the advantages of simple structure, convenient installation, easy implementation, good waterproof and seepage-proof effects, etc.
Drawings
FIG. 1 is an exploded view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the inner barrel and connecting barrel of the present utility model;
reference numerals: 1-an inner cylinder; 101-a cable mounting hole; 102-a first through slit; 2-an outer cylinder; 201-clamping holes; 202-a second through slit; 3-connecting cylinder; 301-through holes; 4-a screw; 5-nuts; 6-reinforcing plate.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
As shown in the drawing, the plugging head of the cable pipe orifice comprises a plugging head body made of elastic material, wherein the plugging head body comprises an inner cylinder 1 with a cable mounting hole 101 and an outer cylinder 2 with a clamping hole 201; the inner cylinder 1 is clamped in a clamping hole 201 of the outer cylinder 2; the plugging head further comprises axial locking mechanisms which enable the plugging head body to expand along the radial direction of the cable mounting hole 101, wherein a plurality of groups of axial locking mechanisms are arranged, and the axial locking mechanisms are uniformly arranged at intervals along the circumferential direction of the cable mounting hole 101.
The cable is penetrated out from the cable mounting hole 101 of the inner cylinder 1, the inner cylinder 1 is clamped in the clamping hole 201 of the outer cylinder 2, and the inner cylinder 1 and the outer cylinder 2 are coaxially mounted. The plugging head body is positioned in the cable pipe and at the pipe head of the cable pipe, and the plugging head body is radially expanded along the cable mounting hole 101 through the axial locking mechanism so as to seal a gap between the cable and the inner wall of the cable pipe. According to the different thickness of the cable, the inner cylinder 1 with different sizes of the cable mounting holes 101 is processed for replacement, and the outer cylinder 2 is used continuously. When the cable penetrating into the cable tube needs to be replaced and the thickness of the newly penetrated cable is different from that of the previously penetrated cable aiming at the same cable tube, the gap between the cable tube and the cable can be plugged while saving materials.
The axial locking mechanism has a variety of embodiments:
in the first embodiment, the axial locking mechanism includes a bolt mounted through the outer cylinder 2, and the axial direction of the bolt is parallel to the axial direction of the outer cylinder 2. The outer cylinder 2 is expanded along the radial direction of the cable mounting hole 101 by the mounting bolt, the outer peripheral surface of the outer cylinder 2 is tightly contacted with the inner wall of the cable tube, the outer cylinder 2 further presses the inner cylinder 1, the side wall of the cable mounting hole 101 of the inner cylinder 1 is tightly contacted with the cable, and then a gap between the cable and the inner wall of the cable tube is sealed.
In the second embodiment, the axial locking mechanism comprises a screw 4 and a nut 5 in threaded fit with the screw 4; a connecting cylinder 3 made of elastic materials is arranged at one axial end of the inner cylinder 1, the connecting cylinder 3 and the inner cylinder 1 are coaxially arranged, and a through hole 301 at the center of the connecting cylinder 3 is equal-diameter and communicated with the cable mounting hole 101; the outer diameter of the connecting cylinder 3 is equal to the outer diameter of the outer cylinder 2; the axial direction of the screw 4 is parallel to the axial direction of the outer cylinder 2; one end of the screw 4 is connected with the outer cylinder 2, and the other end passes through the connecting cylinder 3 and is locked by the nut 5. The plugging head body is positioned in the cable tube and at the tube head of the cable tube, a cable passes through the through hole 301 at the center of the connecting cylinder 3 and the cable mounting hole 101 of the inner cylinder 1, the connecting cylinder 3 expands radially along the cable mounting hole 101 by screwing the nut 5, the outer peripheral surface of the connecting cylinder 3 is tightly contacted with the inner wall of the cable tube, the side wall of the through hole 301 is tightly contacted with the cable, and then a gap between the cable and the inner wall of the cable tube is sealed. One end of the screw 4 is fixedly connected with the outer cylinder 2, for example, one end of the screw 4 is inserted into a die of the outer cylinder 2, then a liquid elastic material is poured into the die, and after the liquid elastic material is solidified, stable and fixed connection is formed between the screw 4 and the outer cylinder 2. To improve the shearing force, an end plate or a reinforcing rib is connected to the end of the screw 4 connected to the outer cylinder 2. By providing the end plate or the reinforcing rib, the screw 4 can be effectively prevented from falling out of the outer cylinder 2.
The connecting cylinder 3 may be adhesively connected to the inner cylinder 1, and in a preferred embodiment, the connecting cylinder 3 and the inner cylinder 1 are integrally formed.
Because the nut 5 has smaller extrusion effect on the connecting cylinder 3, the radial expansion range of the connecting cylinder 3 is limited, and in order to solve the technical problems, the connecting cylinder preferably further comprises a reinforcing plate 6, wherein the reinforcing plate 6 is connected with the connecting cylinder 3 and is positioned on the end surface of the connecting cylinder 3 opposite to the inner cylinder 1; the screw 4 is installed through the reinforcing plate 6; the reinforcing plates 6 are provided in plural, and the reinforcing plates 6 are arranged at uniform intervals in the circumferential direction of the cable mounting hole 101. By tightening the nuts 5 to squeeze the reinforcing plate 6, the reinforcing plate 6 applies force to the connecting cylinder 3, so that the radial expansion amplitude of the connecting cylinder 3 along the cable mounting hole 101 is larger, and the sealing effect is further improved.
The reinforcing plate 6 is preferably adhesively secured to the connecting cylinder 3.
Preferably, the reinforcing plate 6 is a metallic material product.
Preferably, the reinforcing plate 6 has an arc-shaped structure curved toward the center of the through hole 301.
Preferably, the inner cylinder 1 is connected with the connecting cylinder 3 to form a plugging seat, a first through slit 102 is formed on the plugging seat, and the first through slit 102 penetrates through the side wall of the plugging seat along the axial direction and the radial direction of the cable mounting hole 101; the outer cylinder 2 is provided with a second through slit 202, and the second through slit 202 penetrates through the side wall of the outer cylinder 2 along the axial direction and the radial direction of the clamping hole 201. The first through seam 102 is arranged, so that an operator can break off the plugging seat along the first through seam 102, and the cable is put into the cable mounting hole 101 and the through hole 301 at the center of the connecting cylinder 3 from the first through seam 102. The second through seam 202 is provided, so that the outer barrel 2 can be easily broken along the second through seam 202 by an operator, and a cable is placed into the clamping hole 201 of the outer barrel 2 from the second through seam 202. The outer cylinder 2 is plugged into the cable tube, the inner cylinder 1 is plugged into the clamping hole 201, the nut 5 is mounted on the screw 4, and the mounted nut 5 is located outside the cable tube. Has the advantage of convenient installation.
In order to improve the waterproof effect, the first through-slit 102 and the second through-slit 202 are preferably arranged in a staggered manner. As a further preferred aspect, a first adhesive layer for adhering to the side wall of the plugging seat is provided at the first through seam 102, and a second adhesive layer for adhering to the side wall of the outer cylinder 2 is provided at the second through seam 202. The operator breaks off the plugging seat along the first through seam 102, puts the cable into the cable mounting hole 101 and the through hole 301 in the center of the connecting cylinder 3 from the first through seam 102, and then bonds the side wall of the plugging seat into an integral structure along the first through seam 102 by using glue, wherein the first through seam 102 is provided with a first bonding layer formed by the glue. The operator breaks the outer cylinder 2 along the second through seam 202, puts the cable into the clamping hole 201 of the outer cylinder 2 from the second through seam 202, and bonds the side wall of the outer cylinder 2 into an integral structure along the second through seam 202 by using glue, wherein the second through seam 202 is provided with a second bonding layer formed by the glue.
The outer circumferential surface of the inner cylinder 1 may be a cylindrical surface, preferably, one end of the inner cylinder 1 adjacent to the connecting cylinder 3 is a connecting end, and the other end is a free end; the outer diameter of the inner cylinder 1 gradually decreases along the direction from the connecting end to the free end; the clamping hole 201 of the outer cylinder 2 is matched with the inner cylinder 1.
The inner cylinder 1, the connecting cylinder 3 and the outer cylinder 2 can be made of silica gel, and preferably, the inner cylinder 1, the connecting cylinder 3 and the outer cylinder 2 can be made of rubber.
The above is a specific embodiment of the present utility model, and it can be seen from the implementation process that the present utility model provides a plugging head for a pipe orifice of a cable pipe, and for the same cable pipe, when a cable penetrating into the cable pipe needs to be replaced and a newly penetrated cable is different from a previously penetrated cable in thickness, a gap between the cable pipe and the cable can be plugged while saving materials. Has the advantages of simple structure, convenient installation, easy implementation, good waterproof and seepage-proof effects, etc.
Claims (9)
1. The cable tube mouth of pipe shutoff head, its characterized in that: the plugging head comprises a plugging head body made of elastic material, wherein the plugging head body comprises an inner cylinder (1) with a cable mounting hole (101) and an outer cylinder (2) with a clamping hole (201); the inner cylinder (1) is clamped in a clamping hole (201) of the outer cylinder (2);
the plugging head further comprises axial locking mechanisms which enable the plugging head body to expand along the radial direction of the cable installation hole (101), wherein a plurality of groups of axial locking mechanisms are arranged, and the plurality of groups of axial locking mechanisms are evenly arranged at intervals along the circumferential direction of the cable installation hole (101).
2. The plug for a tube orifice of a cable tube of claim 1, wherein: the axial locking mechanism comprises a screw (4) and a nut (5) which is matched with the screw (4) in a threaded manner;
one axial end of the inner cylinder (1) is provided with a connecting cylinder (3) made of elastic materials, the connecting cylinder (3) and the inner cylinder (1) are coaxially arranged, and a through hole (301) at the center of the connecting cylinder (3) is in equal diameter and communicated with the cable mounting hole (101); the outer diameter of the connecting cylinder (3) is equal to the outer diameter of the outer cylinder (2);
the axial direction of the screw rod (4) is parallel to the axial direction of the outer cylinder (2); one end of the screw rod (4) is connected with the outer cylinder (2), and the other end of the screw rod passes through the connecting cylinder (3) and is locked by the nut (5).
3. The plug for a tube orifice of a cable duct of claim 2, wherein: the connecting cylinder (3) and the inner cylinder (1) are of an integrally formed integral structure.
4. The plug for a tube orifice of a cable duct of claim 2, wherein: the connecting device further comprises a reinforcing plate (6), wherein the reinforcing plate (6) is connected with the connecting cylinder (3) and is positioned on the end face of the connecting cylinder (3) opposite to the inner cylinder (1); the screw (4) passes through the reinforcing plate (6) to be installed;
the reinforcing plates (6) are provided in plurality, and the reinforcing plates (6) are uniformly arranged at intervals along the circumferential direction of the cable mounting hole (101).
5. The plug for a tube orifice of a cable duct of claim 4, wherein: the reinforcing plate (6) is of an arc-shaped structure which is bent towards the center of the through hole (301).
6. The plug for a tube orifice of a cable duct of claim 2, wherein: the inner cylinder (1) is connected with the connecting cylinder (3) to form a plugging seat, a first through seam (102) is formed in the plugging seat, and the first through seam (102) penetrates through the side wall of the plugging seat along the axial direction and the radial direction of the cable mounting hole (101);
the outer cylinder (2) is provided with a second penetrating seam (202), and the second penetrating seam (202) penetrates through the side wall of the outer cylinder (2) along the axial direction and the radial direction of the clamping hole (201).
7. The plug for a tube orifice of a cable duct of claim 6, wherein: the first through-penetration slit (102) and the second through-penetration slit (202) are arranged in a staggered manner.
8. The plug for a tube orifice of a cable duct of claim 2, wherein: one end of the inner cylinder (1) adjacent to the connecting cylinder (3) is a connecting end, and the other end is a free end; the outer diameter of the inner cylinder (1) gradually decreases along the direction from the connecting end to the free end;
the clamping hole (201) of the outer cylinder (2) is matched with the inner cylinder (1).
9. The plug for a tube orifice of a cable duct of claim 2, wherein: the inner cylinder (1), the connecting cylinder (3) and the outer cylinder (2) are all rubber products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320346397.4U CN219458642U (en) | 2023-02-28 | 2023-02-28 | Plugging head for pipe orifice of cable pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320346397.4U CN219458642U (en) | 2023-02-28 | 2023-02-28 | Plugging head for pipe orifice of cable pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219458642U true CN219458642U (en) | 2023-08-01 |
Family
ID=87380409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320346397.4U Active CN219458642U (en) | 2023-02-28 | 2023-02-28 | Plugging head for pipe orifice of cable pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219458642U (en) |
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2023
- 2023-02-28 CN CN202320346397.4U patent/CN219458642U/en active Active
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