CN219717808U - Wall bushing - Google Patents
Wall bushing Download PDFInfo
- Publication number
- CN219717808U CN219717808U CN202321210323.4U CN202321210323U CN219717808U CN 219717808 U CN219717808 U CN 219717808U CN 202321210323 U CN202321210323 U CN 202321210323U CN 219717808 U CN219717808 U CN 219717808U
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- CN
- China
- Prior art keywords
- wall
- cable
- pipe body
- elastic
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000000149 penetrating effect Effects 0.000 claims abstract description 24
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 239000011810 insulating material Substances 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 210000001503 joint Anatomy 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
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- Insulating Bodies (AREA)
Abstract
The utility model relates to the technical field of cable installation, in particular to a wall bushing, which comprises: the pipe body is provided with a cable penetrating end; the fixing ring is arranged close to the cable penetrating end of the pipe body, and is fixedly sleeved on the inner wall of the pipe body; the elastic cylinder is sleeved on the inner wall of the pipe body, is positioned at the outer side of the fixed ring and is abutted with the fixed ring; the movable ring is sleeved on the inner wall of the pipe body in a sliding way, and is positioned on the outer side of the elastic cylinder and is in butt joint with the elastic cylinder; the pushing piece pushes the movable ring to apply extrusion force to the elastic tube, the size of the elastic tube in the length direction of the tube body is reduced, and meanwhile, the cable in the elastic tube is expanded and extruded inwards in the radial direction of the tube body so as to fix the sealing cable; according to the utility model, the movable ring is pushed into the pipe body by the pushing piece, the movable ring and the fixed ring squeeze the elastic cylinder, the elastic cylinder deforms, and the cable passing through the elastic cylinder is held tightly and fixed, so that the sealing in the pipe is finished, the cable can be fixed, the operation is simple and convenient, and the installation time is saved.
Description
Technical Field
The utility model relates to the technical field of cable installation, in particular to a wall bushing.
Background
The wall bushing is a pipeline embedded part used for a wall penetrating position and is used for penetrating through a wall penetrating cable when the wall penetrating cable is arranged later. The wall bushing needs to penetrate through the wall, has higher insulating property and plays a role in insulation and support.
After the cable passes through pre-buried wall bushing, often need to fill sealing material in order to make the cable stably fixed to wall bushing, prevent simultaneously that the cable from contacting wall bushing and discharging, but above-mentioned fixed mode is comparatively loaded down with trivial details, and the dynamics that the cable was applied is limited, often need in addition weld other parts at wall bushing's both ends and cooperate to further fix the cable.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the defects of tedious and limited cable applying force caused by the way of filling the sealing material in the wall bushing to fix the cable, and based on the situation, the development of the wall bushing which is convenient to disassemble and assemble and is necessary to stably fix the cable is very important.
In order to achieve the above object, the present utility model provides a wall bushing, comprising:
the pipe body is provided with a cable penetrating end;
the fixing ring is arranged close to the cable penetrating end of the pipe body and is fixedly sleeved on the inner wall of the pipe body;
the elastic tube is sleeved on the inner wall of the pipe body and is positioned at the outer side of the fixed ring, and the elastic tube is in abutting connection with the fixed ring;
the movable ring is sleeved on the inner wall of the pipe body in a sliding manner, and is positioned on the outer side of the elastic cylinder and is in abutting connection with the elastic cylinder;
the pushing piece is suitable for pushing the movable ring to apply extrusion force to the elastic tube, the size of the elastic tube in the length direction along the tube body is reduced, and meanwhile, the elastic tube expands inwards in the radial direction along the tube body to extrude a cable in the elastic tube so as to fix the sealing cable.
Optionally, the pipe body is also provided with a cable penetrating end; the cable penetrating end of the pipe body is symmetrically provided with the fixing ring, the elastic cylinder, the movable ring and the pushing piece.
Optionally, the elastic cylinder is a rubber cylinder.
Optionally, the pushing piece is a pushing barrel; the outer wall of the pushing cylinder is in threaded connection with the inner wall of the pipe body.
Optionally, a groove is provided at the outer end of the push barrel, the groove being adapted to rotate the push barrel.
Optionally, the method further comprises:
the annular plate is fixedly arranged at the position, close to the middle, of the outer wall of the pipe body and is suitable for being installed on a wall.
Optionally, the fixed ring, the movable ring and the pushing member are all made of insulating materials.
Optionally, the insulating material is plastic.
Optionally, the wall thickness of the middle position of the elastic cylinder is larger than the wall thickness of the two ends.
Optionally, the thickness of the abutting part of the elastic cylinder and the fixed ring is not larger than the wall thickness of the fixed ring, and the thickness of the abutting part of the elastic cylinder and the movable ring is not larger than the wall thickness of the movable ring.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
1. the wall bushing provided by the utility model comprises: the pipe body is provided with a cable penetrating end; the fixing ring is arranged close to the cable penetrating end of the pipe body and is fixedly sleeved on the inner wall of the pipe body; the elastic tube is sleeved on the inner wall of the pipe body and is positioned at the outer side of the fixed ring, and the elastic tube is in abutting connection with the fixed ring; the movable ring is sleeved on the inner wall of the pipe body in a sliding manner, and is positioned on the outer side of the elastic cylinder and is in abutting connection with the elastic cylinder; the pushing piece is suitable for pushing the movable ring to apply extrusion force to the elastic tube, the size of the elastic tube in the length direction of the tube body is reduced, and meanwhile, the elastic tube expands inwards in the radial direction of the tube body to extrude a cable in the elastic tube so as to fix the sealing cable; according to the technical scheme, the movable ring is propped against the inside of the pipe body through the pushing piece, the position of the fixed ring cannot be moved, so that the movable ring and the fixed ring squeeze the elastic cylinder, the elastic cylinder deforms, the elastic cylinder only deforms towards the inside of the cylinder, so that the cable passing through the elastic cylinder is gradually held tightly and fixed, the inside of the pipe is sealed, the cable can be well fixed, the operation is simple and convenient, and the installation time is saved.
2. The pipe body is also provided with a cable penetrating end; the fixing ring, the elastic cylinder, the movable ring and the pushing piece are symmetrically arranged at the cable penetrating end of the pipe body; by adopting the technical scheme, the cable is doubly extruded at the two ends of the pipe body, so that the tightness and the stability are enhanced.
3. The elastic cylinder is a rubber cylinder; by adopting the technical scheme, the cable is stable and reliable in insulation and deformation capacity, so that the cable is extruded.
4. The pushing piece is a pushing cylinder; the outer wall of the pushing cylinder is in threaded connection with the inner wall of the pipe body; by adopting the technical scheme, the utility model is convenient for applying stable thrust to the movable ring.
5. The outer end of the push cylinder is provided with a groove which is suitable for rotating the push cylinder; by adopting the technical scheme, the rotary pushing cylinder is convenient to rotate by matching with a tool, and the movable ring and the elastic cylinder are forced.
6. The wall bushing provided by the utility model further comprises: the annular plate is fixedly arranged at a position, close to the middle, of the outer wall of the pipe body and is suitable for being mounted on a wall; by adopting the technical scheme, the wall bushing is conveniently fixed on the wall so as to strengthen the pipe body.
7. The fixed ring, the movable ring and the pushing piece are all made of insulating materials; by adopting the technical scheme, the insulation between the cable and the pipe body is ensured.
8. The wall thickness of the middle position of the elastic cylinder is larger than that of the two ends; by adopting the technical scheme, the cable is extruded and sealed rapidly, conveniently and reliably.
9. The thickness of the abutting part of the elastic cylinder and the fixed ring is not larger than the wall thickness of the fixed ring, and the thickness of the abutting part of the elastic cylinder and the movable ring is not larger than the wall thickness of the movable ring; by adopting the technical scheme, the elastic cylinder is prevented from falling out of the movable ring or the fixed ring.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a wall bushing provided in an embodiment of the present utility model;
fig. 2 is a cross-sectional view of a wall bushing according to an embodiment of the present utility model in operation.
Reference numerals illustrate:
1. a pipe body; 2. a ring plate; 3. a fixing ring; 4. an elastic cylinder; 5. a moving ring; 6. pushing a cylinder; 7. a groove; 8. a cable.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
One embodiment of a wall bushing as shown in fig. 1-2, comprises: the pipe body 1, a fixed ring 3, an elastic cylinder 4 and a movable ring 5 which are positioned inside the pipe body 1, a ring plate 2 positioned outside the pipe body 1 and a pushing piece.
As shown in fig. 1, the pipe body 1 is provided with a cable penetrating end and a cable penetrating end which are opposite; the fixed ring 3 is arranged close to the cable penetrating end of the pipe body 1, and the fixed ring 3 is fixedly sleeved on the inner wall of the pipe body 1. The elastic tube 4 is sleeved on the inner wall of the tube body 1, the elastic tube 4 is positioned on the outer side of the fixed ring 3, the elastic tube 4 is in abutting connection with the fixed ring 3, and the elastic tube 4 is a rubber tube; the movable ring 5 is slidably sleeved on the inner wall of the pipe body 1, the movable ring 5 is positioned on the outer side of the elastic cylinder 4, and the movable ring 5 is in abutting connection with the elastic cylinder 4. The fixing ring 3, the elastic cylinder 4, the movable ring 5 and the pushing piece are symmetrically arranged at the cable penetrating end of the pipe body 1. The annular plate 2 is fixedly arranged at a position, close to the middle, of the outer wall of the pipe body 1, and the annular plate 2 is suitable for being installed on a wall to strengthen the pipe body 1. Further, the wall thickness of the middle position of the elastic tube 4 is larger than that of the two ends. The thickness of the abutting part of the elastic cylinder 4 and the fixed ring 3 is not larger than the wall thickness of the fixed ring 3, and the thickness of the abutting part of the elastic cylinder 4 and the movable ring 5 is not larger than the wall thickness of the movable ring 5.
As shown in fig. 2, the pushing member is adapted to push the movable ring 5 to apply a pressing force to the elastic tube 4, the elastic tube 4 is reduced in size along the length of the tube body 1, and at the same time, the elastic tube 4 is expanded inward in the radial direction of the tube body 1 to press the cable 8 located in the elastic tube 4 to fix the sealing cable 8. Specifically, the pushing piece is a pushing barrel 6; the outer wall of the pushing cylinder 6 is in threaded connection with the inner wall of the pipe body 1. The fixed ring 3, the movable ring 5 and the pushing piece are all made of insulating materials. The insulating material is plastic. Further, a groove 7 is provided at the outer end of the push tube 6, said groove 7 being adapted to rotate the push tube 6.
The main operation process of the wall bushing is briefly described as follows: the wall bushing is pre-embedded in the wall body and is reinforced by the annular plate 2; the cable 8 needing to penetrate through the wall passes through the pipe body 1, in particular the fixed ring 3, the rubber cylinder, the movable ring 5 and the pushing cylinder 6; after the cable 8 is moved in place, a tool is used to screw the pushing cylinder 6 at the penetrating end into the pipe body 1, the pushing cylinder 6 pushes the movable ring 5 to advance, the position of the fixed ring 3 is unchanged, the movable ring 5 and the fixed ring 3 squeeze the rubber cylinder, both ends and the outer wall of the rubber cylinder have no deformation space, the inner wall of the rubber cylinder is centripetally deformed, the cable 8 is held, and the cable 8 is held tightly by the rubber cylinder along with the continuing advancing of the pushing cylinder 6, so that the sealing and fixing of the penetrating end are completed; and the sealing and fixing of the penetrating end are finished in the same way; double sealing and fixing are completed.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. A wall bushing, comprising:
the pipe body (1) is provided with a cable penetrating end;
the fixing ring (3) is arranged close to the cable penetrating end of the pipe body (1), and the fixing ring (3) is fixedly sleeved on the inner wall of the pipe body (1);
the elastic tube (4) is sleeved on the inner wall of the tube body (1), the elastic tube (4) is positioned on the outer side of the fixed ring (3), and the elastic tube (4) is in abutting connection with the fixed ring (3);
the movable ring (5) is sleeved on the inner wall of the pipe body (1) in a sliding manner, the movable ring (5) is positioned on the outer side of the elastic cylinder (4), and the movable ring (5) is in abutting connection with the elastic cylinder (4);
the pushing piece is suitable for pushing the movable ring (5) to apply extrusion force to the elastic tube (4), the size of the elastic tube (4) in the length direction along the tube body (1) is reduced, and meanwhile, the elastic tube (4) expands inwards in the radial direction along the tube body (1) to squeeze a cable (8) positioned in the elastic tube (4) so as to fix the sealed cable (8).
2. The wall bushing according to claim 1, characterized in that the tube body (1) is also provided with a cable run-out; the cable penetrating end of the pipe body (1) is symmetrically provided with the fixing ring (3), the elastic cylinder (4), the movable ring (5) and the pushing piece.
3. Wall bushing according to claim 1 or 2, characterized in that the elastic cylinder (4) is a rubber cylinder.
4. Wall bushing according to claim 1 or 2, characterized in that the pushing element is a push cylinder (6); the outer wall of the pushing cylinder (6) is in threaded connection with the inner wall of the pipe body (1).
5. Wall bushing according to claim 4, characterized in that a groove (7) is provided at the outer end of the push sleeve (6), which groove (7) is adapted to rotate the push sleeve (6).
6. The wall bushing of claim 1 or 2, further comprising:
the annular plate (2) is fixedly arranged at a position, close to the middle, of the outer wall of the pipe body (1), and the annular plate (2) is suitable for being installed on a wall.
7. Wall bushing according to claim 1 or 2, characterized in that the fixing ring (3), the moving ring (5) and the pushing element are all made of insulating material.
8. The wall bushing of claim 7, wherein the insulating material is plastic.
9. Wall bushing according to claim 1 or 2, characterized in that the wall thickness of the elastic tube (4) in the middle is greater than the wall thickness of the two ends.
10. The wall bushing according to claim 9, characterized in that the thickness of the elastic tube (4) at the abutment with the fixed ring (3) is not greater than the wall thickness of the fixed ring (3), and the thickness of the elastic tube (4) at the abutment with the movable ring (5) is not greater than the wall thickness of the movable ring (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321210323.4U CN219717808U (en) | 2023-05-17 | 2023-05-17 | Wall bushing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321210323.4U CN219717808U (en) | 2023-05-17 | 2023-05-17 | Wall bushing |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219717808U true CN219717808U (en) | 2023-09-19 |
Family
ID=87977870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321210323.4U Active CN219717808U (en) | 2023-05-17 | 2023-05-17 | Wall bushing |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219717808U (en) |
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2023
- 2023-05-17 CN CN202321210323.4U patent/CN219717808U/en active Active
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