CN219960082U - Wire clamp special for insulation of lightning arrester wire outlet end - Google Patents
Wire clamp special for insulation of lightning arrester wire outlet end Download PDFInfo
- Publication number
- CN219960082U CN219960082U CN202221942485.2U CN202221942485U CN219960082U CN 219960082 U CN219960082 U CN 219960082U CN 202221942485 U CN202221942485 U CN 202221942485U CN 219960082 U CN219960082 U CN 219960082U
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- China
- Prior art keywords
- wire
- wire clamp
- hole
- lightning arrester
- insulating shell
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- 238000009413 insulation Methods 0.000 title claims description 19
- 238000007789 sealing Methods 0.000 claims abstract description 48
- 230000006835 compression Effects 0.000 claims abstract description 29
- 238000007906 compression Methods 0.000 claims abstract description 29
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 238000003916 acid precipitation Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Insulating Bodies (AREA)
Abstract
The utility model relates to the field of power systems, in particular to a special wire clamp for insulating an outgoing line end of a lightning arrester, which comprises a wire clamp body and an insulating shell integrally injection-molded outside the wire clamp body; one end of the wire clamp body in the length direction is provided with a screw mounting hole and a fastening threaded hole communicated with the screw mounting hole, and a fastening screw is arranged in the fastening threaded hole; the wire clamp comprises a wire clamp body and is characterized in that the wire clamp body is provided with a wire through hole for installing a wire and a compression threaded hole communicated with the wire through hole in the width direction, and a compression bolt is arranged in the compression threaded hole; the insulating shell is provided with openings corresponding to the wire through holes, the screw mounting holes, the compression threaded holes and the fastening threaded holes, and the insulating shell is provided with sealing heads corresponding to the compression threaded holes and the fastening threaded holes; and the opening of the insulating shell corresponding to the wire through hole is provided with a waterproof sealing joint. The wire clamp body is covered by the integrally injection molded insulating shell, so that the wire clamp is good in tightness, reliable in connection and good in insulating property.
Description
Technical Field
The utility model relates to the field of power systems, in particular to a special wire clamp for insulation of an outgoing line end of a lightning arrester.
Background
The special wire clamp for the wire outlet insulation of the lightning arrester is a hardware fitting for connecting the lightning arrester screw rod and the lightning conductor. The existing lightning arrester screw is connected with the lightning conductor in a connecting mode by using a binding post, a line clip, a looping winding and the like. The outgoing line connection mode of the lightning arrester needs to connect one wire with each phase of outgoing line end of the lightning arrester and then connect the wires in series, so that the connection mode not only needs a plurality of wires and a plurality of wiring terminals for connection, but also is very complicated in construction, the connection part is in a bare state, and the connection part is exposed in an outdoor environment for a long time and is easy to be corroded by acid rain, water vapor and the like, so that the contact reliability is affected; when part of the wiring terminals are constructed, a special hydraulic crimping tool is needed, so that the operation process is complicated, and the maintenance is inconvenient due to the fact that the tool is carried.
Disclosure of Invention
The utility model aims to provide a special wire clamp for insulation of an outgoing line end of a lightning arrester, which solves the problems that the existing outgoing line end of the lightning arrester needs a plurality of wires to be connected with a wiring terminal and is complicated in construction, and meanwhile, the problem that the connecting part of the wire clamp is in a bare state for a long time and is easily influenced by corrosion such as acid rain, water vapor and the like to contact reliability is solved.
In order to solve the technical problems, the technical means of the special wire clamp for insulating the wire outlet end of the lightning arrester adopted by the utility model are as follows: the wire clamp comprises a wire clamp body and an insulating shell integrally injection-molded outside the wire clamp body; the lightning arrester is characterized in that one end of the wire clamp body in the length direction is provided with a screw rod mounting hole, the front surface of the wire clamp body is provided with a fastening threaded hole communicated with the screw rod mounting hole, a fastening screw is arranged in the fastening threaded hole, and the fastening screw is used for locking the lightning arrester screw rod to the screw rod mounting hole; the wire clamp comprises a wire clamp body, a wire clamp and a wire, wherein the wire clamp body is provided with a wire through hole for installing a wire in the width direction, the wire clamp body is provided with a compression threaded hole communicated with the wire through hole, a compression bolt is installed in the compression threaded hole, and the compression bolt is used for compressing and fixing an insulated wire; the insulating shell is provided with openings corresponding to the screw mounting holes, the compression threaded holes and the fastening threaded holes, the insulating shell is outwards extended at the corresponding openings of the compression threaded holes and the fastening threaded holes to form an extension sleeve, the opening of the extension sleeve is provided with a sealing head, and the insulating shell is also provided with at least one opening corresponding to the wire through holes; the insulating shell outwards extends at the opening corresponding to the wire through hole to form an extension connecting cylinder, and the extension connecting cylinder is provided with a waterproof sealing joint
The special wire clamp for the insulation of the lightning arrester outgoing end has the following technical advantages: 1. the wire clamp body is connected with the lightning arrester screw rod through the screw rod mounting hole, and compared with the common connection terminal connection and looping winding connection, the wire clamp body is convenient to mount, and the mode that each phase of wire outlet end is originally required to be connected with one wire and then connected in series is changed into a wire, so that the wires and the lightning arrester phase of each wire outlet end can be mounted in place normally and rapidly; 2. according to the utility model, the lightning arrester screw rod and the wire clamp body are positioned by the fastening screw, so that the installation orientation of the wire clamp can be conveniently adjusted, and the connection and the use are convenient; 3. according to the wire clamp body, the integrally injection molded insulating shell is coated, the extending connecting barrel of the wire through hole is connected with the waterproof sealing joint, the sealing heads are arranged at the extending sleeve positions of the fastening threaded hole and the pressing threaded hole, the overall insulation recovery effect is good, and the wire clamp body can play a good role in isolating acid rain, water vapor and the like.
As a preferable scheme, an extension connecting cylinder is arranged on an opening of the insulating shell corresponding to the wire through hole, and an internal thread corresponding to the waterproof sealing joint is arranged on the extension connecting cylinder corresponding to the wire through hole; the waterproof sealing joint is connected with the insulating shell through the internal threads.
And a sealing head is arranged at the opening corresponding to the compaction threaded hole and the fastening threaded hole. As a preferable scheme, the sealing head comprises a mounting sleeve and a limiting sealing cover, one end of the mounting sleeve is fixedly connected with the limiting sealing cover to form a semi-sealed cavity, and the outer diameter of the mounting sleeve is in interference fit with an inner hole of the extension sleeve; the mounting sleeve is also provided with an annular bulge, and the inner wall of the extending sleeve of the insulating shell is provided with an annular groove matched with the annular bulge; the annular bulge that the sealing head set up and the annular groove that sets up in the extension sleeve inlay card each other cooperate, ensure that the sealing head is sealed, be difficult for droing, guarantee the good leakproofness of fastener.
As a preferable scheme, a thread sleeve connected with the lightning arrester screw is further arranged in the screw mounting hole, the thread of the thread sleeve is an internal thread, and a flat part which is convenient for mounting and dismounting a fastening tool is arranged at the pulling-out end of the thread sleeve; the thread sleeve is embedded in the wire clamp body and is completely isolated from the outdoor environment, so that corrosion is avoided, connection is reliable, the contact area is greatly improved after the internal thread of the thread sleeve is matched with the external thread of the lightning arrester screw rod, and the through-flow capacity is stronger; meanwhile, the mode that the lightning arrester screw rod is connected by the thread sleeve is adopted, the wire clamp body does not need to be rotated at a narrow position under the lightning arrester screw rod, and the installation is greatly facilitated.
Preferably, the cross section of the wire through hole is round hole, bar hole or elliptical hole.
As the preferable scheme, be equipped with sharp cusp protruding in the wire through-hole, can effectively puncture wire surface oxide layer, better assurance fastener and the effective contact of connecting wire.
As a preferable scheme, the insulating shell is provided with a circle of coaming for shielding a fastening nut of the lightning arrester at the periphery of the screw mounting hole; the outside bounding wall is used for preventing the arrester screw rod from becoming naked metalwork, avoids the foreign matter overlap joint to cause the circuit trouble.
Preferably, the insulating shell is provided with an opening corresponding to the wire through hole, and is provided with a waterproof sealing joint, so that the scheme is suitable for the end position of the wire outlet end of the three-phase lightning arrester.
As a preferable scheme, two openings corresponding to the wire through holes are formed in the insulating shell, and the insulating shell is provided with two waterproof sealing joints; the scheme is suitable for the middle position of the outlet end of the three-phase lightning arrester.
Preferably, the compression bolt is a torque bolt, and the sealing head is a rubber piece.
Drawings
FIG. 1 is a schematic outline of embodiment 1 of the present utility model;
FIG. 2 is a schematic view of the embodiment 1 of the present utility model;
FIG. 3 is a partial perspective view of embodiment 1 of the present utility model;
FIG. 4 is a side view of example 1 of the present utility model;
FIG. 5 is a side view of the clamp body of the present utility model;
FIG. 6 is a schematic front view of the insulating housing of example 1;
FIG. 7 is a schematic left-hand view of the insulating housing of example 1;
FIG. 8 is a schematic front view of a threaded sleeve;
FIG. 9 is an elevation view of a hold-down bolt;
FIG. 10 is a schematic view of the exterior of the watertight seal;
FIG. 11 is a schematic external view of the sealing head;
FIG. 12 is a schematic view of the external shape of embodiment 2 of the present utility model;
fig. 13 is a schematic view showing the outline of embodiment 2 in another direction in the present utility model.
The main component symbols in the drawings are described as follows:
1. a waterproof sealing joint; 2. a wire clamp body; 3. an insulating housing; 4. a compression bolt; 5. a sealing head; 6. a fastening screw; 7. and (5) a threaded sleeve.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Example 1
As shown in fig. 1, 2, 3 and 4, the special wire clamp for lightning arrester wire outlet insulation comprises a wire clamp body 2 and an insulation shell 3 integrally injection molded outside the wire clamp body 2.
As shown in fig. 5, a screw mounting hole is formed in one end of the wire clamp body 2 in the length direction, a fastening threaded hole communicated with the screw mounting hole is formed in the side edge of the wire clamp body, a fastening screw 6 is arranged in the fastening threaded hole, and the fastening screw 6 is used for locking the lightning arrester screw to the screw mounting hole; the wire clamp body 2 is provided with a wire through hole for installing a wire in the width direction, the cross section of the wire through hole is round hole, strip-shaped hole or elliptical hole, preferably elliptical hole, and the wire clamp can meet the connection of wires with various specifications, has a wide application range, and is internally provided with sharp-tooth-shaped protrusions, so that the reliable connection of the wires is ensured. The wire clamp body 2 is provided with a compression threaded hole communicated with the wire through hole, a compression bolt 4 is installed in the compression threaded hole, the compression bolt 4 is used for compressing and fixing an insulated wire, and the compression bolt is shown in fig. 9.
As shown in fig. 6 and 7, the insulating housing 3 is provided with openings corresponding to the screw mounting holes, the compression screw holes and the fastening screw holes, the insulating housing 3 is also provided with two openings corresponding to the wire through holes, and the openings of the compression screw holes and the fastening screw holes are provided with outward extension sleeves; the extension sleeve is provided with a sealing head 5; the extension connecting tube corresponding to the wire through hole on the insulating shell 3 is provided with a waterproof sealing joint 1, and the waterproof sealing joint is a common waterproof sealing joint on the market as shown in fig. 10, and the extension connecting tube is provided with an internal thread matched with the waterproof sealing joint 1. The insulating housing 3 is provided with the outside bounding wall that shields arrester fastening nut in screw rod mounting hole department, and outside bounding wall is used for preventing that the arrester screw rod from becoming naked metalwork, avoids the foreign matter overlap joint to cause circuit failure.
The sealing head 5 comprises a mounting sleeve and a limiting sealing cover, one end of the mounting sleeve is fixedly connected with the limiting sealing cover to form a semi-sealing cavity, the limiting sealing cover is a circular plate, the radius of the limiting sealing cover is larger than that of the compression threaded hole and the fastening threaded hole, the outer diameter of the mounting sleeve is in interference fit with the inner hole of the extension sleeve, and the sealing head is shown in fig. 11. The mounting sleeve is also provided with an annular bulge, the inner wall of the extending sleeve of the insulating shell 3 is provided with an annular groove matched with the annular bulge, and the sealing head 5 is a rubber piece.
The screw rod mounting hole is internally provided with a thread bush 7 connected with a lightning arrester screw rod, the thread bush 7 is shown in fig. 8, the thread of the thread bush 7 is an internal thread, and the pulling-out end of the thread bush is provided with a flat part which is convenient for the installation and the detachment of a fastening tool. The lightning rod is connected with the lightning arrester screw rod through the threaded sleeve 7, and the contact area is large, the resistance is small, and the temperature rise is low. The threaded sleeve 7 with different sizes is replaced, so that the problem that connecting screws of different lightning arrester manufacturers are different in size can be better met, and connection is more reliable. The thread sleeve 7 is embedded in the wire clamp body 2, so that corrosion of the connection under the environment condition is avoided.
The wire clamp body 2 and the thread bush 7 are made of special aluminum alloy materials with high strength and high conductivity; the compression bolt 4 is preferably a torque bolt, and the torque bolt is made of high-strength and corrosion-resistant aluminum alloy materials. The wire clamp body 2 is subjected to surface corrosion resistance treatment.
Example 2
As shown in fig. 12 and 13, embodiment 2 differs from embodiment 1 in that the number of openings corresponding to the wire through holes on the insulating housing is different, the scheme in embodiment 2 is provided with one opening corresponding to the wire through holes, the insulating housing is provided with a waterproof sealing joint, and the scheme is suitable for the end position of the wire outlet end of the three-phase lightning arrester, and the scheme 1 is suitable for the middle position of the wire outlet end of the three-phase lightning arrester because the opening corresponding to the wire through holes on the insulating housing is two, so that the wire is convenient to pass through and connect each wire clamp.
The working principle and the process thereof are as follows: 1. the thread bush 7 in the wire clamp body 2 is taken out, connected with the lightning arrester screw rod and fastened through the flat part thereof. 2. After the wire is inserted into the waterproof sealing joint 1, the wire is inserted into the wire through hole, the wire inserted into the wire clamp body 2 is fastened and pressed by the pressing bolt 4, and after the wire is pressed, the hole of the pressing thread 4 is sealed by the sealing head 5; the waterproof sealing joint 1 and the insulating shell 3 are screwed tightly through threads, and after the waterproof sealing joint 1 is fixed on the insulating shell 3, the wires and the insulating shell 3 are further sealed. 3. The peripheral baffle is arranged on a lightning arrester screw rod, the wire clamp body 2 is sleeved on the thread sleeve 7, the thread sleeve 7 is fastened by the fastening screw 6, and finally the sealing head 5 is used for sealing and fastening the threaded hole.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a special fastener of arrester wire outlet insulation which characterized in that: the wire clamp comprises a wire clamp body and an insulating shell integrally injection-molded outside the wire clamp body; the lightning arrester is characterized in that one end of the wire clamp body in the length direction is provided with a screw rod mounting hole, the front surface of the wire clamp body is provided with a fastening threaded hole communicated with the screw rod mounting hole, a fastening screw is arranged in the fastening threaded hole, and the fastening screw is used for locking the lightning arrester screw rod to the screw rod mounting hole; the wire clamp comprises a wire clamp body, a wire clamp and a wire, wherein the wire clamp body is provided with a wire through hole for installing a wire in the width direction, the wire clamp body is provided with a compression threaded hole communicated with the wire through hole, a compression bolt is installed in the compression threaded hole, and the compression bolt is used for compressing and fixing an insulated wire; the insulating shell is provided with openings corresponding to the screw mounting holes, the compression threaded holes and the fastening threaded holes, the insulating shell is outwards extended at the corresponding openings of the compression threaded holes and the fastening threaded holes to form an extension sleeve, the opening of the extension sleeve is provided with a sealing head, and the insulating shell is also provided with at least one opening corresponding to the wire through holes; the insulating shell outwards extends at the opening corresponding to the wire through hole to form an extension connecting cylinder, and the extension connecting cylinder is provided with a waterproof sealing joint.
2. The lightning arrester wire outlet insulation special wire clamp according to claim 1, wherein: and an opening of the insulating shell corresponding to the wire through hole is provided with an internal thread corresponding to the waterproof sealing joint.
3. The lightning arrester wire outlet insulation special wire clamp according to claim 1, wherein: the sealing head comprises a mounting sleeve and a limiting sealing cover, wherein the outer diameter of the mounting sleeve is in interference fit with an inner hole of the extending sleeve, an annular protrusion is further arranged on the mounting sleeve, and an annular groove matched with the annular protrusion is formed in the extending sleeve.
4. The lightning arrester wire outlet insulation special wire clamp according to claim 1, wherein: the screw rod mounting hole is internally provided with a thread bush connected with the lightning arrester screw rod, the thread of the thread bush is an internal thread, and the pulling-out end of the thread bush is provided with a flat part convenient for fastening.
5. The lightning arrester wire outlet insulation special wire clamp according to claim 1, wherein: the cross section of the wire through hole is round hole, bar hole or elliptical hole.
6. The lightning arrester wire outlet insulation special wire clamp according to claim 1, wherein: sharp-tooth-shaped protrusions are arranged in the wire through holes.
7. The lightning arrester wire outlet insulation special wire clamp according to claim 1, wherein: the periphery of the screw mounting hole of the insulating shell is provided with a coaming for shielding a fastening nut of the lightning arrester.
8. The lightning arrester wire outlet insulation special wire clamp according to claim 2, wherein: the insulating shell is provided with an opening corresponding to the wire through hole, and is provided with a waterproof sealing joint.
9. The lightning arrester wire outlet insulation special wire clamp according to claim 2, wherein: two openings corresponding to the wire through holes are formed in the insulating shell, and the insulating shell is provided with two waterproof sealing joints.
10. The lightning arrester wire outlet insulation special wire clamp according to claim 1, wherein: the compression bolt is a torque bolt, and the sealing head is a rubber piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221942485.2U CN219960082U (en) | 2022-07-26 | 2022-07-26 | Wire clamp special for insulation of lightning arrester wire outlet end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221942485.2U CN219960082U (en) | 2022-07-26 | 2022-07-26 | Wire clamp special for insulation of lightning arrester wire outlet end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219960082U true CN219960082U (en) | 2023-11-03 |
Family
ID=88554258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221942485.2U Active CN219960082U (en) | 2022-07-26 | 2022-07-26 | Wire clamp special for insulation of lightning arrester wire outlet end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219960082U (en) |
-
2022
- 2022-07-26 CN CN202221942485.2U patent/CN219960082U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |