CN107425305B - Anti-return electric device - Google Patents
Anti-return electric device Download PDFInfo
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- CN107425305B CN107425305B CN201710813663.9A CN201710813663A CN107425305B CN 107425305 B CN107425305 B CN 107425305B CN 201710813663 A CN201710813663 A CN 201710813663A CN 107425305 B CN107425305 B CN 107425305B
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- turnover
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- 230000007306 turnover Effects 0.000 claims abstract description 60
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 238000012423 maintenance Methods 0.000 claims abstract description 16
- 239000003292 glue Substances 0.000 claims description 49
- 238000003825 pressing Methods 0.000 claims description 16
- 239000000565 sealant Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims 8
- 230000001070 adhesive effect Effects 0.000 claims 8
- 238000003756 stirring Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000011218 segmentation Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Clamps And Clips (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention provides an anti-return device, and relates to the technical field of power supply equipment. The anti-return device comprises a clamp body, a conductive part, an insulating shell and a turnover cover, wherein the clamp body is used for clamping a cable, one end of the conductive part is connected with the clamp body, and the other end of the conductive part is connected with a grounding device, so that the operation safety of line overhaul and maintenance is improved. The conductive part comprises a first section and a second section, the first section and the second section are integrally formed, the first section is connected with the clamp body, the insulating shell is sleeved on the first section, the overturning cover is arranged on the second section, and the overturning cover is rotationally connected with the insulating shell. The anti-return device is simple in structure, the outer side of the conductive part is additionally provided with the insulating shell and the overturning cover, the conductive part is prevented from being exposed outside, the circuit safety is improved, and the anti-return device is safe, reliable and high in practicality. The other anti-return device provided by the invention is provided with the protective sleeve outside the clamp body, has a waterproof function, and is safe and reliable.
Description
Technical Field
The invention relates to the technical field of power supply equipment, in particular to an anti-return device.
Background
Along with the continuous development of social economy, the production and development of various industries are not separated from the electric energy. And the power supply circuit is widely distributed from the power supply end to the user end. Because the power supply circuit is exposed in nature, and is exposed to the sun in the wind and subjected to the severe environmental changes in nature, regular or irregular overhauling and maintenance are required.
If a fault occurs between the power supply end and the user end, the fault and the user end are indirectly connected during overhauling and maintenance, so that the cable power return caused by power generation of a power generation device of the user end is prevented, and the safety of operators is ensured. At present, the grounding operation during maintenance is to connect a conductive connecting piece on a cable, and connect the connecting piece with a grounding device to realize grounding. However, the connectors are typically exposed, present potential safety hazards, and have problems of being not ageing resistant. In order to ensure the normal and safe operation of the power equipment, the anti-return device needs to be improved and optimized.
In view of the above, the design and manufacture of the anti-return device has a simple structure, and is safe and reliable, which is a technical problem in the technical field of the current power supply equipment, which needs to be improved.
Disclosure of Invention
The invention aims to provide the anti-return device, which has the advantages that the fault occurs between the power supply end and the user end, the current return can be effectively prevented during overhauling and maintenance, the safety of operators is ensured, no conductive part is directly exposed outside, the safety performance is greatly improved, the structure is simple, the manufacture is convenient, and the safety and the reliability are realized.
The invention also aims to provide another anti-return device which has the characteristics of water resistance, convenient grounding operation, simple structure and strong practicability, and has great popularization value and market application prospect.
The invention improves the technical problems by adopting the following technical proposal.
The invention provides an anti-return device which comprises a clamp body, a conductive part, an insulating shell and a turnover cover, wherein the clamp body is used for clamping a cable, one end of the conductive part is connected with the clamp body, and the other end of the conductive part is connected with a grounding device so as to improve the operation safety of line overhaul and maintenance.
The conductive part comprises a first section and a second section, the first section is connected with the clamp body, the insulating shell is sleeved on the first section, the overturning cover is covered on the second section, and the overturning cover and the second section can rotate relatively.
Further, a rotating shaft is fixedly arranged on the insulating shell, and two sides of the turnover cover are respectively and movably connected with the rotating shaft, so that the turnover cover can rotate along the rotating shaft.
Further, the conductive part is of an L-shaped structure, the vertically arranged part is the first section, the horizontally arranged part is the second section, and the rotating shaft is positioned at the lower side of the joint of the first section and the second section.
Further, an opening is formed in one side, far away from the clamp body, of the flip cover, the flip cover is rotated, and the opening moves from one side of the second section to the opposite side, so that the second section is exposed.
Further, grooves are formed in two opposite sides of the opening, and the grooves are formed in the axial direction of the second section. The groove is used for installing waterproof glue. The first waterproof glue is arranged on one side of the opening, the second waterproof glue is arranged on the other side of the opening, the first waterproof glue and the second waterproof glue extend towards the middle of the opening respectively and contact with the middle of the opening so as to seal the opening, and the conductive part is protected.
Further, the first waterproof glue and the second waterproof glue are obliquely arranged, and the first waterproof glue and the second waterproof glue are obliquely arranged towards one side close to the clamp body, so that the turnover cover can be conveniently rotated to open or close the opening.
Further, a handle part is arranged on the turnover cover, and the first waterproof glue and the second waterproof glue can be separated by lifting the handle part, so that the second section of the conductive part is exposed outside and is convenient to connect with the grounding device.
Further, the turnover cover is provided with a pull ring, the pull ring is arranged at one end part of the turnover cover, which is close to the insulating shell, and the turnover cover is convenient to operate by pulling the pull ring to rotate.
Further, the turnover cover is provided with a turnover rod, the turnover rod is arranged at one end part of the turnover cover, which is close to the insulating shell, and the turnover rod is convenient to operate and rotate.
The invention provides another anti-return device which comprises a clamp body, a protective sleeve, a conductive part, an insulating shell and a turnover cover, wherein the clamp body is used for clamping a cable, one end of the conductive part is connected with the clamp body, and the other end of the conductive part is connected with a grounding device so as to improve the operation safety of line overhaul and maintenance.
The conductive part comprises a first section and a second section, the first section and the second section are integrally formed, the first section is connected with the clamp body, the insulating shell is sleeved on the first section, the overturning cover is covered on the second section, and the overturning cover is rotationally connected with the insulating shell.
The clamp body comprises a pressing plate and two clamping plates which are oppositely arranged, the pressing plate is clamped with the clamping plates, the cable is arranged between the two clamping plates, a threaded hole is formed in the pressing plate, and the cable is inserted into the threaded hole and screwed down by using a bolt so as to be fixed; the protective sleeve is covered outside the clamp body, and sealant is arranged in the protective sleeve.
The anti-return device provided by the invention has the following beneficial effects:
the invention provides an anti-return device which comprises a clamp body, a conductive part, an insulating shell and a turnover cover, wherein the clamp body is used for clamping a cable, one end of the conductive part is connected with the clamp body, and the other end of the conductive part is connected with a grounding device so as to improve the operation safety of line overhaul and maintenance. The conductive part comprises a first section and a second section, the first section and the second section are integrally formed, and the first section is connected with the clamp body. Through locating insulating housing cover on the first segmentation, locate the upset lid on the second segmentation, the upset lid rotates with insulating housing to be connected, can play fine guard action to conductive part, avoid it to expose outside, improved the security greatly to and promoted the convenience of operation. The anti-return device is simple in structure, safe, reliable, high in practicality and high in popularization and application value.
The anti-return device provided by the invention has the advantages that the protective sleeve is arranged outside the clamp body, the waterproof function is realized, the insulating shell and the turnover cover are additionally arranged on the outer side of the conductive part, the conductive part is prevented from being exposed outside, the circuit safety is improved, and the anti-return device has the advantages of simple structure, convenience in operation, safety, reliability, easiness in manufacturing and great popularization and application value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an overall structure of an anti-return device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a conductive part of an anti-return device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an insulating housing of an anti-power-return device according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a flip cover of the anti-power-return device according to an embodiment of the present invention;
fig. 5 is a schematic diagram of another structure of a flip cover of the anti-power-return device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a clip body of an anti-return device according to an embodiment of the present invention.
Icon: 100-an anti-return device; 101-a cable; 103-bolts; 110-a clamp body; 111-a platen; 113-clamping plates; 115-clamping blocks; 120-conductive parts; 121-first segmentation; 123-second segmentation; 125-a protrusion; 127-reinforcing the connection; 130-an insulating housing; 131-a first connection; 133-a second connection; 135-rotating shaft; 137-reinforcing ribs; 150-turning over the cover; 151-grooves; 152-a first waterproof glue; 153-a second waterproof glue; 154-handle portion; 157-pull ring; 161-a first housing; 163-a second housing; 165-sealant.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship conventionally put in use of the product of the present invention, or the azimuth or positional relationship conventionally understood by those skilled in the art, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
The terms "first", "second", and the like, are used merely for distinguishing the description and have no special meaning.
In the description of the present invention, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed" and "mounted" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Fig. 1 is a schematic overall structure of an anti-return device 100 according to an embodiment of the present invention, and fig. 2 is a schematic structural diagram of a conductive portion 120 of the anti-return device 100 according to an embodiment of the present invention, please refer to fig. 1 and fig. 2.
The present embodiment provides an anti-return device 100, where the anti-return device 100 includes a clamp body 110, a conductive portion 120, an insulating housing 130 and a flip cover 150, the clamp body 110 is used for clamping a cable 101, one end of the conductive portion 120 is connected with the clamp body 110, and the other end of the conductive portion 120 is connected with a grounding device, so as to improve operation safety of line inspection and maintenance.
The conductive part 120 comprises a first section 121 and a second section 123, the first section 121 and the second section 123 can be integrally formed or connected in a split mode, an L-shaped structure is formed, a vertical arrangement portion is the first section 121, a horizontal arrangement portion is the second section 123, and the corners of the first section 121 and the second section 123 are in arc transition connection. The first section 121 is connected with the clamp body 110, the insulating housing 130 is sleeved on the first section 121, the overturning cover 150 is covered on the second section 123, and the overturning cover 150 is rotatably connected with the insulating housing 130. The end of the second segment 123 remote from the first segment 121 is provided with a protrusion 125 for facilitating connection with the grounding device and ensuring that the grounding device does not fall off in natural wind or construction shaking. Optionally, a reinforcing connection portion 127 is further disposed at the corner of the first segment 121 and the second segment 123, so as to increase the strength of the conductive portion 120, and the structure is more reliable and the service life is long.
Fig. 3 is a schematic structural diagram of an insulating housing 130 of the anti-power-return device 100 according to an embodiment of the present invention, please refer to fig. 3.
Optionally, a rotation shaft 135 is fixedly disposed on the insulating housing 130, and two sides of the flip cover 150 are movably connected to the rotation shaft 135, so that the flip cover 150 can rotate along the rotation shaft 135. Specifically, the insulating housing 130 includes a first connecting portion 131 and a second connecting portion 133, the first connecting portion 131 and the second connecting portion 133 are integrally formed, the first connecting portion 131 is sleeved on the first segment 121, and the second connecting portion 133 is sleeved on a connection portion between the second segment 123 and the first segment 121 and extends a certain distance to the second segment 123. The corner of the first and second connection parts 131 and 133 is provided with a reinforcing rib 137, which increases the strength thereof and improves the reliability and durability.
The rotation shaft 135 is positioned at the lower side of the junction of the first and second sections 121 and 123, so that the hinge point of the flip cover 150 is lowered, and the flip cover 150 is prevented from being restricted by the remaining structure of the upper side when being flipped, thereby restricting the swing amplitude of the flip cover 150. This arrangement makes the rotational space of the flip cover 150 larger. It should be noted that the rotation shaft 135 may be provided on the second section 123, as long as the rotation of the flip cover 150 relative to the second section 123 is achieved.
Fig. 4 is a schematic structural diagram of a flip cover 150 of the anti-power-return device 100 according to an embodiment of the present invention, please refer to fig. 4.
The flip cover 150 is provided with an opening at a side far from the clip body 110, and the flip cover 150 is rotated, and the opening is moved from one side of the second section 123 to the opposite side, so that the second section 123 is exposed, and is convenient to be connected with a grounding device. Preferably, grooves 151 are formed on two opposite sides of the opening, the grooves 151 are formed along the axial direction of the second section 123, and the grooves 151 are used for installing waterproof glue.
Specifically, a first waterproof glue 152 is installed on one side of the opening, a second waterproof glue 153 is installed on the other side of the opening, and the first waterproof glue 152 and the second waterproof glue 153 extend to the middle of the opening and contact with each other in the middle of the opening, so as to close the opening, and protect the conductive part 120.
The first and second waterproof glue 152 and 153 are obliquely disposed, and the first and second waterproof glue 152 and 153 are inclined toward one side near the folder 110, so that the flip cover 150 is rotated to open or close the opening. When the circuit maintenance is needed, the second section 123 of the conductive part 120 needs to be connected with the grounding device to ground the cable 101, and the flip cover 150 is rotated upwards at this time, because the first waterproof glue 152 and the second waterproof glue 153 are made of flexible materials and have a certain elasticity, in the rotation process of the flip cover 150, the first waterproof glue 152 and the second waterproof glue 153 are separated, and the second section 123 of the conductive part 120 is exposed to be grounded with the grounding device. After maintenance is finished, the turnover cover 150 is turned downwards, the first waterproof glue 152 and the second waterproof glue 153 obliquely arranged easily span the second section 123, so that the turnover cover 150, the first waterproof glue 152 and the second waterproof glue 153 cover the second section 123, the situation that the turnover cover is exposed outside is avoided, the waterproof function is achieved, and the safety performance is improved.
The handle portion 154 is disposed on the flip cover 150, and lifting the handle portion 154 can rotate the flip cover 150 around the rotation shaft 135 to separate the first waterproof glue 152 and the second waterproof glue 153, so that the second section 123 of the conductive portion 120 is exposed, and is convenient to connect with a grounding device; pulling handle portion 154 in the opposite direction will house second segment 123 therein, facilitating rotation of flip cap 150.
It should be noted that, the flip cover 150 may be integrally formed, or may be formed by separately connecting two half shells, which are all within the scope of the present application.
Fig. 5 is a schematic diagram of another structure of the flip cover 150 of the anti-power-return device 100 according to an embodiment of the present invention, please refer to fig. 5.
Alternatively, the turning of the flip cover 150 may be performed in a variety of ways, except that a handle 154 is provided on the flip cover 150, a pull ring 157 is provided on the flip cover 150, and the pull ring 157 is provided at an end of the flip cover 150 near the insulating housing 130, and pulling the pull ring 157 facilitates the turning of the flip cover 150. For example, when the anti-return device 100 is disposed at a place with a high height, a person cannot easily reach the height, and at this time, the flip cover 150 can be conveniently and quickly opened by pulling the pull ring 157 with a drag hook or other tools.
Or, the turnover cover 150 is provided with a turnover rod, the turnover rod is arranged at one end part of the turnover cover 150 close to the insulating shell 130, and the turnover rod is toggled to facilitate the operation of the turnover cover 150 to rotate by utilizing the lever principle.
The other anti-return device 100 provided in this embodiment includes a clamp body 110, a protective sleeve, a conductive portion 120, an insulating housing 130 and a flip cover 150, wherein the clamp body 110 is used for clamping a cable 101, one end of the conductive portion 120 is connected with the clamp body 110, and the other end of the conductive portion 120 is connected with a grounding device, so as to improve operation safety of line inspection and maintenance.
The conductive part 120 comprises a first section 121 and a second section 123, the first section 121 and the second section 123 are integrally formed, the first section 121 is connected with the clamp body 110, the insulating shell 130 is sleeved on the first section 121, the overturning cover 150 is covered on the second section 123, and the overturning cover 150 is rotationally connected with the insulating shell 130.
Fig. 6 is a schematic diagram of an installation structure of a clip body 110 of the anti-return device 100 according to an embodiment of the present invention, please refer to fig. 6.
The clamp body 110 comprises a pressing plate 111 and two clamping plates 113 which are oppositely arranged, the pressing plate 111 is clamped with the clamping plates 113, the cable 101 is arranged between the two clamping plates 113, a threaded hole is formed in the pressing plate 111, and the cable 101 is fixed by inserting and tightening the bolt 103 into the threaded hole; the protective sleeve covers the clamp body 110, and sealant 165 is arranged in the protective sleeve.
Specifically, the protective sleeve includes a first housing 161 and a second housing 163, one end of the first housing 161 is rotatably connected to one end of the second housing 163, and the other end of the first housing 161 is connected to the other end of the second housing 163 by a buckle. Optionally, a clamping groove is formed on the clamping plate 113, a clamping block 115 is arranged at a corresponding position on the pressing plate 111, and the clamping block 115 stretches into the clamping groove to realize clamping connection.
The first casing 161 and the second casing 163 are respectively provided with a sealant 165, the first casing 161 and the second casing 163 are covered to form a containing cavity, and the clamp body 110 is arranged in the containing cavity.
In summary, the anti-return device 100 provided by the present invention has the following advantages:
according to the anti-return device 100 provided by the invention, the insulating shell 130 and the turnover cover 150 are arranged on the conductive part 120, so that the conductive part 120 is prevented from being exposed outside, and the safety of the anti-return device 100 is improved. The turnover cover 150 is rotatably connected with the insulating housing 130, so that the second section 123 of the conductive part 120 is exposed during maintenance and is connected with a grounding device; after the maintenance is completed, the flip cover 150 is covered to protect the conductive part 120. By providing the first waterproof glue 152 and the second waterproof glue 153 on the flip cover 150, the conductive part 120 can be waterproof, and the exposure and closure of the second segment 123 of the conductive part 120 can be easily achieved. Providing a handle portion 154, a pull ring 157, a push rod, or the like on the flip cover 150 facilitates flip of the flip cover 150. The anti-return device 100 has the advantages of simple structure, insulation, water resistance, safety, reliability and wide market application prospect.
The other anti-return device 100 provided by the invention has the advantages that the clamp body 110 comprises the pressing plate 111 and the clamping plate 113, and the clamping structure of the pressing plate 111 and the clamping plate 113 is arranged, so that the assembly and the disassembly are convenient. Moreover, the protective sleeve is connected by adopting a first shell 161 and a second shell 163 which are detachable, and the first shell 161 and the second shell 163 are provided with waterproof glue, so that the protective sleeve has a waterproof function. The anti-return device 100 has the advantages of simple structure, safety, reliability, easy manufacture and great popularization and application value.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications, combinations and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The anti-return device is characterized by comprising a clamp body, a conductive part, a protective sleeve, an insulating shell and a turnover cover, wherein the clamp body is used for clamping a cable, one end of the conductive part is connected with the clamp body, and the other end of the conductive part is connected with a grounding device so as to improve the operation safety of line overhaul and maintenance;
the conductive part comprises a first section and a second section which are vertically arranged, the first section is connected with the clamp body, the insulating shell is sleeved on the first section, the overturning cover is covered on the second section, and the overturning cover and the second section can rotate relatively;
a rotating shaft is fixedly arranged on the insulating shell, and two sides of the turnover cover are respectively and movably connected with the rotating shaft so that the turnover cover can rotate along the rotating shaft;
an opening is formed in one side, far away from the clamp body, of the turnover cover, and the turnover cover is rotated, and the opening moves from one side of the second section to the opposite side so that the second section is exposed; grooves are formed in two opposite sides of the opening, and the grooves are formed in the axial direction of the second section; the groove is used for installing waterproof glue; a first waterproof adhesive is arranged on one side of the opening, a second waterproof adhesive is arranged on the other side of the opening, and the first waterproof adhesive and the second waterproof adhesive extend to the middle of the opening respectively and contact with each other in the middle of the opening so as to seal the opening and protect the conductive part;
the conductive part is of an L-shaped structure, the vertically arranged part is the first section, the horizontally arranged part is the second section, and the rotating shaft is positioned at the lower side of the joint of the first section and the second section; the end part of the second section, which is far away from the first section, is provided with a protruding part; the turnover cover rotates in the anticlockwise direction under the state of being turned over and opened, and the insulating shell plays a limiting role on the rotation of the turnover cover;
the first waterproof glue and the second waterproof glue are obliquely arranged, and the first waterproof glue and the second waterproof glue are inclined towards one side close to the clamp body, so that the turnover cover can be rotated conveniently to open or close the opening; the first waterproof glue and the second waterproof glue are inclined in a splayed shape at the opening;
the clamp body comprises a pressing plate and two clamping plates which are oppositely arranged, the pressing plate is clamped with the clamping plates, the cable is arranged between the two clamping plates, a threaded hole is formed in the pressing plate, and the cable is inserted into the threaded hole and screwed down by using a bolt so as to be fixed; the protective sleeve is covered outside the clamp body, the protective sleeve comprises a first shell and a second shell, one end of the first shell is rotationally connected with one end of the second shell, and the other end of the first shell is in buckle connection with the other end of the second shell; the clamping plate is provided with a clamping groove, a clamping block is arranged at a corresponding position on the pressing plate, and the clamping block stretches into the clamping groove to realize clamping connection; sealant is arranged in the first shell and the second shell, the first shell and the second shell are covered to form a containing cavity, and the clamp body is arranged in the containing cavity;
the turnover cover is provided with a turnover rod, the turnover rod is arranged at one end part of the turnover cover, which is close to the insulating shell, and the turnover rod is convenient to operate by stirring the turnover rod so as to rotate the turnover cover.
2. The anti-return device according to claim 1, wherein a handle portion is provided on the flip cover, and lifting the handle portion can separate the first waterproof glue and the second waterproof glue so that the second section of the conductive portion is exposed to the outside for connection with the grounding device.
3. The anti-return device according to claim 1, wherein the flip cover is provided with a pull ring, the pull ring is arranged at one end part of the flip cover, which is close to the insulating shell, and pulling the pull ring facilitates the operation of the flip cover to rotate.
4. The anti-return device is characterized by comprising a clamp body, a protective sleeve, a conductive part, an insulating shell and a turnover cover, wherein the clamp body is used for clamping a cable, one end of the conductive part is connected with the clamp body, and the other end of the conductive part is connected with a grounding device so as to improve the operation safety of line overhaul and maintenance;
the conductive part comprises a first section and a second section which are vertically arranged, the first section and the second section are integrally formed, the first section is connected with the clamp body, the insulating shell is sleeved on the first section, the turnover cover is covered on the second section, and the turnover cover is rotationally connected with the insulating shell;
the clamp body comprises a pressing plate and two clamping plates which are oppositely arranged, the pressing plate is clamped with the clamping plates, the cable is arranged between the two clamping plates, a threaded hole is formed in the pressing plate, and the cable is inserted into the threaded hole and screwed down by using a bolt so as to be fixed; the protective sleeve is covered outside the clamp body, and sealant is arranged in the protective sleeve;
a rotating shaft is fixedly arranged on the insulating shell, and two sides of the turnover cover are respectively and movably connected with the rotating shaft so that the turnover cover can rotate along the rotating shaft; the turnover cover rotates in the anticlockwise direction under the state of being turned over and opened, and the insulating shell plays a limiting role on the rotation of the turnover cover;
an opening is formed in one side, far away from the clamp body, of the turnover cover, and the turnover cover is rotated, and the opening moves from one side of the second section to the opposite side so that the second section is exposed; grooves are formed in two opposite sides of the opening, and the grooves are formed in the axial direction of the second section; the groove is used for installing waterproof glue; a first waterproof adhesive is arranged on one side of the opening, a second waterproof adhesive is arranged on the other side of the opening, and the first waterproof adhesive and the second waterproof adhesive extend to the middle of the opening respectively and contact with each other in the middle of the opening so as to seal the opening and protect the conductive part;
the conductive part is of an L-shaped structure, the vertically arranged part is the first section, the horizontally arranged part is the second section, and the rotating shaft is positioned at the lower side of the joint of the first section and the second section; the end part of the second section, which is far away from the first section, is provided with a protruding part;
the first waterproof glue and the second waterproof glue are obliquely arranged, and the first waterproof glue and the second waterproof glue are inclined towards one side close to the clamp body, so that the turnover cover can be rotated conveniently to open or close the opening; the first waterproof glue and the second waterproof glue are inclined in a splayed shape at the opening;
the turnover cover is provided with a turnover rod, the turnover rod is arranged at one end part of the turnover cover, which is close to the insulating shell, and the turnover rod is convenient to operate by stirring the turnover rod so as to rotate the turnover cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813663.9A CN107425305B (en) | 2017-09-11 | 2017-09-11 | Anti-return electric device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813663.9A CN107425305B (en) | 2017-09-11 | 2017-09-11 | Anti-return electric device |
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| Publication Number | Publication Date |
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| CN107425305A CN107425305A (en) | 2017-12-01 |
| CN107425305B true CN107425305B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710813663.9A Active CN107425305B (en) | 2017-09-11 | 2017-09-11 | Anti-return electric device |
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| CN103618158A (en) * | 2013-12-04 | 2014-03-05 | 国家电网公司 | Grounding ring |
| CN204333317U (en) * | 2015-01-21 | 2015-05-13 | 上元电力科技有限公司 | Insulation electricity-inspection ground loop |
| CN104810634A (en) * | 2015-04-23 | 2015-07-29 | 浙江永裕金具有限公司 | All-insulation piercing earthing device and application thereof |
| CN205069907U (en) * | 2015-10-08 | 2016-03-02 | 上元电力科技有限公司 | Ground clip |
| CN205355289U (en) * | 2016-02-03 | 2016-06-29 | 浙江固来发电力金具有限公司 | All insulation earthing device |
| CN107516780A (en) * | 2017-09-05 | 2017-12-26 | 广州番禺电缆集团有限公司 | The anti-down power supply unit of cable |
| CN207116737U (en) * | 2017-09-11 | 2018-03-16 | 广东粤创电力科技有限公司 | It is anti-to return electric installation |
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2017
- 2017-09-11 CN CN201710813663.9A patent/CN107425305B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618158A (en) * | 2013-12-04 | 2014-03-05 | 国家电网公司 | Grounding ring |
| CN204333317U (en) * | 2015-01-21 | 2015-05-13 | 上元电力科技有限公司 | Insulation electricity-inspection ground loop |
| CN104810634A (en) * | 2015-04-23 | 2015-07-29 | 浙江永裕金具有限公司 | All-insulation piercing earthing device and application thereof |
| CN205069907U (en) * | 2015-10-08 | 2016-03-02 | 上元电力科技有限公司 | Ground clip |
| CN205355289U (en) * | 2016-02-03 | 2016-06-29 | 浙江固来发电力金具有限公司 | All insulation earthing device |
| CN107516780A (en) * | 2017-09-05 | 2017-12-26 | 广州番禺电缆集团有限公司 | The anti-down power supply unit of cable |
| CN207116737U (en) * | 2017-09-11 | 2018-03-16 | 广东粤创电力科技有限公司 | It is anti-to return electric installation |
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|---|---|
| CN107425305A (en) | 2017-12-01 |
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