CN110896205B - Cable protection device - Google Patents
Cable protection device Download PDFInfo
- Publication number
- CN110896205B CN110896205B CN201911223646.5A CN201911223646A CN110896205B CN 110896205 B CN110896205 B CN 110896205B CN 201911223646 A CN201911223646 A CN 201911223646A CN 110896205 B CN110896205 B CN 110896205B
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- Prior art keywords
- cable
- protection
- protection device
- hole
- block
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- 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.)
- Expired - Fee Related
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a cable protection device, which comprises a protection component and a positioning device, wherein the protection component comprises a protection cylinder body, a limiting lug, an axial limiting block, an adjusting through hole and a cable mounting hole, the positioning device comprises a positioning block and an adjusting groove, the axial positioning block is used for limiting the protection device to move in one axial direction in the mounting hole, the positioning block is rotated through the adjusting through hole and the adjusting groove to prop open the limiting lug so as to be clamped in the inner wall of the mounting hole, and the protection device is limited to move in the other axial direction in the mounting hole. The limiting lug can be expanded to different sizes along with the screwing of the positioning block, so that the situation that the sizes of the mounting holes are different is adapted.
Description
Technical Field
The invention relates to the technical field of power construction equipment, in particular to a cable protection device.
Background
In the daily electric power construction process, the cable often need pass the through-hole mouth of wall body or horizontal cable shaft and can lay and reach the destination, when passing the drill way, because the drill way is formed by drilling machine later stage processing mostly, the drill way is more sharp-pointed, very easy fish tail cable's outer layer. There is the device that is used for the cable protection among the prior art, and this protection device can pull the cable, and the protection cable is not destroyed, however, because the hole on the wall body is many that later stage manual work is processed, and is not of uniform size, is used for wall body drill way cable protection device among the prior art, and the unable stable is fixed in the drill way, and cable protection device falls from the wall body easily, influences work efficiency. When the position of the hole is higher, the falling of the cable protection device can threaten the life installation of constructors and is inconvenient to use.
Disclosure of Invention
The present invention is directed to a cable protection device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a cable protection device, includes protection part and positioner, the protection part is including protection barrel, spacing lug, axial stopper, regulation through-hole and cable mounting hole, the protection barrel is cylindricly, is equipped with cable mounting hole in it, and its outside is equipped with the external screw thread, the cable mounting hole is cylindrically, link up the protection barrel, protection barrel top is equipped with the axial stopper, the protection barrel outside is equipped with spacing lug, spacing lug is circular-arcly in vertical section, its one end with protection barrel bottom one side is connected, and one side is located protection barrel top and is partial to axial stopper one end, be equipped with the regulation through-hole on the axial stopper, the regulation through-hole is circular-arcly, and its terminal surface is passed through by the circular arc.
The positioning device comprises a positioning block and an adjusting groove, the positioning block is a table-shaped cylinder, an internal thread matched with an external thread of the outer side of the protection cylinder is arranged on the inner side of the positioning block, the conical surface of the positioning block faces towards the bottom of the protection cylinder, the maximum diameter of the positioning block is smaller than the diameter of the maximum round surface formed by the limiting convex blocks and smaller than the diameter of an installation hole opening of the cable protection device, and the positioning block is close to the adjusting groove formed in the end face of the axial limiting block.
As a further scheme of the invention: the protective cylinder and the cable mounting hole are coaxial.
As a further scheme of the invention: the maximum diameter of the axial limiting block is larger than the diameter of the mounting hole of the cable protection device, and further the end face of the axial limiting block is in arc transition.
As a further scheme of the invention: the limiting lugs are arranged on the outer side of the protection barrel in an umbrella shape, and the number of the limiting lugs is six to eight.
As a further scheme of the invention: the size of the arc angle alpha corresponding to the indexing arc of the adjusting through holes is 40-50 degrees, and further, the number of the adjusting through holes is four, and the adjusting through holes are circumferentially and equidistantly arranged on the axial limiting block.
As a further scheme of the invention: the adjusting groove reference circle and the adjusting through hole reference circle are on the same cylinder surface, further, the arc angle size beta corresponding to the adjusting groove reference circle is between 30-36 degrees, further, the number of the adjusting grooves is eight, and the circumference equidistance is arranged on the end face of one side, close to the axial limiting block, of the positioning block.
Compared with the prior art, the invention has the beneficial effects that: the axial limiting block limits the protection device to move in one axial direction in the installation hole of the cable protection device, and the positioning block is rotated through the adjusting through hole and the adjusting groove to prop open the limiting lug so as to be clamped in the inner wall of the installation hole of the cable protection device, so that the protection device is limited to move in the other axial direction in the installation hole of the cable protection device. The limiting lug can be expanded to different sizes along with the screwing of the positioning block, so that the situation that the sizes of the mounting holes of the cable protection device are different is adapted.
Drawings
Fig. 1 is a schematic perspective view of a cable protection device.
Fig. 2 is a front view of the cable protection device.
Fig. 3 is a right side view of the cable protection device.
Fig. 4 is a sectional view taken along a-a of fig. 2.
In the figure: 10-a protection part, 20-a positioning device, 11-a protection cylinder, 12-a limiting bump, 13-an axial limiting block, 14-an adjusting through hole, 15-a cable mounting hole, 21-a positioning block and 22-an adjusting groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. Other embodiments, which can be obtained by those skilled in the art without any inventive work based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
Referring to fig. 1-4, a cable protection device includes a protection component 10 and a positioning device 20, where the protection component 10 includes a protection cylinder 11, a limiting protrusion 12, an axial limiting block 13, an adjusting through hole 14 and a cable installation hole 15, the protection cylinder 11 is cylindrical, the cable installation hole 15 is disposed in the protection cylinder 11, in order to facilitate a cable to pass through the cable installation hole 15, the cable installation hole 15 and the axial limiting block 13 are in arc transition, an external thread matched with the internal thread of the positioning block 21 is disposed on the outer side of the protection cylinder 11, the cable installation hole 15 is cylindrical and penetrates through the protection cylinder 11, in order to prevent the protection device from being completely plugged into the installation hole of the cable protection device and being unable to be taken out during plugging into the installation hole of the cable protection device, the top of the protection cylinder 11 is provided with the axial limiting block 13 for limiting the protection device to move in one axial direction in the installation hole of the cable protection, the protection barrel 11 outside is equipped with spacing lug 12, spacing lug is circular-arcly in vertical section, its one end with protection barrel 11 bottom one side is connected, and one side is located protection barrel 11 top and is partial to axial stopper 13 one end, be equipped with on the axial stopper 13 and adjust through-hole 14, it is circular-arcly to adjust through-hole 14, its terminal surface is by the circular arc transition.
The positioning device 20 comprises a positioning block 21 and an adjusting groove 22, the positioning block 21 is a table-shaped cylinder, an inner thread matched with an outer thread on the outer side of the protection cylinder 11 is arranged on the inner side of the positioning block 21, the positioning block 21 can linearly move on the protection cylinder 11 through the thread matching between the positioning block 21 and the protection cylinder 11, when the positioning block 21 moves towards the bottom of the protection cylinder 11, the limiting lug 12 is propped open by the positioning block 21, so that the positioning lug is in contact with the inner wall of the installation hole of the cable protection device, and along with the screwing of the positioning block 21, the acting force of the limiting lug 12 on the inner wall of the installation hole of the cable protection device is larger, so that the matching is tighter, the conical surface of the positioning block 21 faces towards the bottom of the protection cylinder 11, and is matched with the convex surface of the limiting lug, the limiting convex block 12 can be supported more easily, the maximum diameter of the positioning block 21 is smaller than the maximum diameter of a circular surface formed by the limiting convex block 12, so that the limiting convex block 12 can be better supported and smaller than the diameter of a mounting hole of a cable protection device, the positioning block 21 is prevented from contacting with the inner wall of the mounting hole of the cable protection device, the limiting convex block 12 cannot be screwed downwards to be supported, and the positioning block 21 is close to the end face of the axial limiting block 13 and is provided with an adjusting groove 22.
As a further scheme of the invention: the protective cylinder 11 and the cable mounting hole 15 are held coaxially.
As a further aspect of this embodiment: the maximum diameter of the axial limiting block 13 is larger than the diameter of the mounting hole of the cable protection device, and further, in order to avoid stress concentration, two ends of the axial limiting block 13 are in arc transition.
As a further aspect of this embodiment: the limiting convex blocks are arranged on the outer side of the protection barrel body 11 in an umbrella shape, and in the embodiment, the number of the limiting convex blocks 12 is eight.
As a further aspect of this embodiment: in this embodiment, the size of the arc angle α corresponding to the indexing arc of the adjusting through hole 14 is 40 °, and further, in order to make the adjustment of the positioning block 21 simple and easy, four adjusting through holes 14 are arranged on the axial limiting block 13 at equal intervals in the circumferential direction.
As a further aspect of this embodiment: the reference circle of the adjusting groove 22 and the reference circle of the adjusting through hole 14 are on the same cylinder surface, and further, in this embodiment, the size β of the arc angle corresponding to the reference circle of the adjusting groove 22 is 30 °, and further, the adjusting grooves 22 are eight in number, and are circumferentially equidistantly disposed on the end surface of the positioning block 21 near the axial limiting block 13, in this embodiment, an adjusting device is inserted into the adjusting groove 22 through the adjusting through hole 14, and the adjusting device is rotated to rotate the positioning block 21, so that the reference circle of the adjusting groove 22 and the reference circle of the adjusting through hole 14 are required to be on the same cylinder surface, and when the sizes of the arc angles corresponding to the adjusting groove 22 and the adjusting through hole 14 are the same, when the positioning block 21 is rotated to a certain angle, all the adjusting grooves 22 completely coincide with the adjusting through hole 14, therefore, the positioning block 21 cannot be rotated by the adjusting device, which requires that at least one pair of the adjusting grooves 22 and the adjusting holes are not completely overlapped when the positioning block 21 is rotated to any angle, so that the arc angle corresponding to the indexing arc of the adjusting groove 22 is smaller than the arc angle corresponding to the indexing arc of the adjusting through hole 14 in this embodiment, and the number of the adjusting grooves 22 is greater than the number of the adjusting through holes 14.
Example 2
The embodiment is different from embodiment 1 in that the number of the limiting protrusions 12 is six, the size of the arc angle α corresponding to the indexing arc of the adjusting through hole 14 is 50 °, and the size of the arc angle β corresponding to the indexing arc of the adjusting groove 22 is 36 °.
The using method of the invention is as follows:
when the cable protection device is used, the bottom end of the protection cylinder body 11 is inserted into the installation hole of the cable protection device until the end face of the axial limiting block 13 is matched with the outer wall of the installation hole of the cable protection device, meanwhile, an adjusting device penetrates through the adjusting through hole 14 and is inserted into the adjusting groove 22, the positioning block 21 starts to rotate, the positioning block 21 is in threaded connection with the protection cylinder body 11, and therefore the axial limiting block 13 moves to the bottom end of the protection cylinder body 11, the limiting convex block 12 is opened, the limiting convex block 12 is further in contact with the inner wall of the installation hole of the cable protection device, and the acting force of the limiting convex block 12 on the inner wall of the installation hole of the cable protection device is increased along with the screwing of the positioning block 21, so that the cable protection device is stably connected with the installation hole of the cable.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (9)
1. A cable protection device comprises a protection component (10) and a positioning device (20), and is characterized in that the protection component (10) comprises a protection barrel body (11), a limiting lug (12), an axial limiting block (13), an adjusting through hole (14) and a cable mounting hole (15), the protection barrel body (11) is cylindrical, the cable mounting hole (15) is arranged in the protection barrel body, the cable mounting hole (15) and the axial limiting block (13) are in circular arc transition, the cable mounting hole (15) is cylindrical and is communicated with the protection barrel body (11), the axial limiting block (13) is arranged at the top of the protection barrel body (11), the limiting lug (12) is arranged on the outer side of the protection barrel body (11), the limiting lug is arc-shaped in vertical section, one end of the limiting lug is connected with one side of the bottom of the protection barrel body (11), one side of the axial limiting block (13) is located above the protection barrel body (11), an adjusting through hole (14) is formed in the axial limiting block (13), the adjusting through hole (14) is arc-shaped, and the end face of the adjusting through hole is in arc transition;
the positioning device (20) comprises a positioning block (21) and an adjusting groove (22), the positioning block (21) is a table-shaped cylinder, the inner side of the positioning block is provided with an internal thread matched with the external thread on the outer side of the protective cylinder body (11), the outer side of the protective cylinder body (11) is provided with an external thread matched with the internal thread on the inner side of the positioning block (21), through the thread matching between the positioning block (21) and the protection cylinder body (11), the positioning block (21) can move linearly on the protection cylinder body (11), the conical surface of the positioning block (21) faces the bottom of the protective cylinder body (11), the conical surface is matched with the convex surface of the limit convex block (12), the maximum diameter of the positioning block (21) is smaller than the diameter of the maximum round surface formed by the limiting convex blocks (12) and is also smaller than the diameter of the mounting hole of the cable protection device, and an adjusting groove (22) is formed in the end face, close to the axial limiting block (13), of the positioning block (21).
2. The cable protection device according to claim 1, wherein the protection cylinder (11) and the cable mounting hole (15) remain coaxial.
3. A method for preparing a cable protection device according to any one of claims 1 or 2, wherein the maximum diameter of the axial stop block (13) is larger than the inner diameter of the installation hole of the cable protection device, and both ends of the axial stop block (13) are transited through circular arcs.
4. The cable protection device according to claim 3, wherein the limiting protrusions (12) are arranged outside the protection cylinder (11) in an umbrella shape, and the number of the limiting protrusions (12) is six to eight.
5. Cable protection device according to claim 1, wherein the indexing arc of the adjustment through hole (14) corresponds to an arc angle α of 40-50 °.
6. Cable protection device according to claim 5, wherein said adjustment through holes (14) are four and are circumferentially equidistant on said axial stop (13).
7. Cable protection device according to claim 1, characterized in that the adjusting groove (22) pitch circle is on the same cylinder surface as the adjusting through hole (14) pitch circle.
8. The cable protection device according to claim 7, wherein the adjustment groove (22) is indexed by an arc angle β of 30-36 °.
9. The cable protection device according to claim 8, wherein the number of the adjustment grooves (22) is eight, and the adjustment grooves are circumferentially equidistantly arranged on an end face of the positioning block (21) on a side close to the axial stopper (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911223646.5A CN110896205B (en) | 2019-12-04 | 2019-12-04 | Cable protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911223646.5A CN110896205B (en) | 2019-12-04 | 2019-12-04 | Cable protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110896205A CN110896205A (en) | 2020-03-20 |
| CN110896205B true CN110896205B (en) | 2021-01-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911223646.5A Expired - Fee Related CN110896205B (en) | 2019-12-04 | 2019-12-04 | Cable protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110896205B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111409717A (en) * | 2020-04-07 | 2020-07-14 | 滁州贝安智能机器人科技有限公司 | Wall-climbing robot with wire harness anti-winding function |
| CN114060618B (en) * | 2021-11-29 | 2023-06-06 | 珠海格力电器股份有限公司 | Sealing structure and air conditioner with same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2712062A1 (en) * | 1993-11-03 | 1995-05-12 | Legris Sa | Device designed for passing a pipe through a wall |
| CN102364126A (en) * | 2010-06-10 | 2012-02-29 | 包尔斯产品三世有限责任公司 | Drop-in anchor and drop-in anchor systems |
| JP2013008541A (en) * | 2011-06-24 | 2013-01-10 | Yazaki Corp | Wire harness with clip |
| CN207691373U (en) * | 2017-12-30 | 2018-08-03 | 浙江亚厦装饰股份有限公司 | A kind of knob-and-tube wiring pipe and knob-and-tube wiring tube assembly |
| CN108963923A (en) * | 2018-10-16 | 2018-12-07 | 安徽蓝德正华电子有限公司 | A kind of switchgear cable perforator |
| US10431970B1 (en) * | 2015-01-22 | 2019-10-01 | Arlington Industries, Inc. | Electrical insider fitting for internal connection of flexible metal conduit to an electrical box |
| CN110518521A (en) * | 2019-08-30 | 2019-11-29 | 国网山东省电力公司商河县供电公司 | A kind of cable block head |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418160A (en) * | 2018-05-04 | 2018-08-17 | 抚顺欧柏丽实业股份有限公司 | Cable and pipeline run through sealing device and compression assembly |
| CN209472337U (en) * | 2019-03-12 | 2019-10-08 | 昆明宥同管业有限公司 | A kind of PVC corrugated pipe connector sheath |
-
2019
- 2019-12-04 CN CN201911223646.5A patent/CN110896205B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2712062A1 (en) * | 1993-11-03 | 1995-05-12 | Legris Sa | Device designed for passing a pipe through a wall |
| CN102364126A (en) * | 2010-06-10 | 2012-02-29 | 包尔斯产品三世有限责任公司 | Drop-in anchor and drop-in anchor systems |
| JP2013008541A (en) * | 2011-06-24 | 2013-01-10 | Yazaki Corp | Wire harness with clip |
| US10431970B1 (en) * | 2015-01-22 | 2019-10-01 | Arlington Industries, Inc. | Electrical insider fitting for internal connection of flexible metal conduit to an electrical box |
| CN207691373U (en) * | 2017-12-30 | 2018-08-03 | 浙江亚厦装饰股份有限公司 | A kind of knob-and-tube wiring pipe and knob-and-tube wiring tube assembly |
| CN108963923A (en) * | 2018-10-16 | 2018-12-07 | 安徽蓝德正华电子有限公司 | A kind of switchgear cable perforator |
| CN110518521A (en) * | 2019-08-30 | 2019-11-29 | 国网山东省电力公司商河县供电公司 | A kind of cable block head |
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| Publication number | Publication date |
|---|---|
| CN110896205A (en) | 2020-03-20 |
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Granted publication date: 20210115 |