CN211238529U - Creep-resistant clamp type wire clamp - Google Patents
Creep-resistant clamp type wire clamp Download PDFInfo
- Publication number
- CN211238529U CN211238529U CN202020127218.4U CN202020127218U CN211238529U CN 211238529 U CN211238529 U CN 211238529U CN 202020127218 U CN202020127218 U CN 202020127218U CN 211238529 U CN211238529 U CN 211238529U
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- Prior art keywords
- shaped
- creep
- wire
- wire casing
- shaped spare
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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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- 125000006850 spacer group Chemical group 0.000 claims abstract description 8
- 210000000080 chela (arthropods) Anatomy 0.000 claims abstract description 3
- 230000008859 change Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 description 5
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
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Abstract
The utility model provides a creep-resistant pincer type fastener, including last U-shaped spare, lower U-shaped spare and electrically conductive slider, it is located U-shaped spare top down to go up the U-shaped spare, and it passes through the fastener and can dismantle the U-shaped spare of connection down to go up U-shaped spare one end below and be equipped with first wire casing, U-shaped spare one end top is equipped with the second wire casing down, electrically conductive slider is located between first wire casing and the second wire casing, and electrically conductive slider and last U-shaped spare swing joint, electrically conductive slider's the outside is equipped with the notch, grip spacer one end is fixed in the notch below, the eave tile of its other end falls into the breach. The utility model has the advantages that: the utility model can automatically compensate the change of the wire diameter of the connected wire under the common compensation action of the elastic upper U-shaped piece and the conductive slider, thereby ensuring the reliable connection of the wire; additionally the utility model discloses whether the accessible fastener can accurately judge the fastener and install and target in place to can guarantee the anti creep effect of installation quality and fastener.
Description
Technical Field
The utility model relates to an electric power engineering technical field especially relates to a creep-resistant pincer type fastener.
Background
The tradition fastener that continues when being widely applied to overhead line and continuing, because can expend with heat and contract with cold by connecting wire when the current-carrying capacity changes to under certain pressure and temperature effect, must take place the creep phenomenon along with the time extension, show the line footpath tapering to wire conductor, and tradition fastener that continues is rigid connection each other with the wire, does not have the compensation function, and its consequence is that the fastener grip reduces, contact resistance increases, can make the overheated fastener of fastener temperature rising even burn the fastener when the current-carrying capacity increases, brews the electric power accident.
Therefore, an improved wire clamp appears in the market to solve the problem of creep of the wire, for example, a constant-grip creep-resistant clamp type wire clamp disclosed in patent CN 203085773U mainly compensates for the change of the outer diameter of the wire by means of the elastic function of the upper U-shaped part, but because the upper U-shaped part is only in contact with the upper wire, the creep of the upper wire can only be compensated, and when the lower wire has creep, the creep is difficult to compensate effectively; in addition, the grip positioning piece in the patent is arranged above the U-shaped groove of the upper U-shaped piece, the deformation of the upper U-shaped piece is generally large in the installation process, so that whether the wire clamp is really installed in place or not can not be accurately judged through the grip positioning piece, and once the wire clamp is not installed in place, the creep-resistant effect of the patent can not be guaranteed.
SUMMERY OF THE UTILITY MODEL
In view of this, embodiments of the present invention provide a creep-resistant pliers-type wire clamp.
The embodiment of the utility model provides a creep-resistant clamp type wire clamp, which comprises an upper U-shaped piece, a lower U-shaped piece and a conductive sliding block, wherein the upper U-shaped piece is positioned above the lower U-shaped piece, the upper U-shaped piece is detachably connected with the lower U-shaped piece through a fastening piece, the upper U-shaped piece is an elastic piece, a first wire groove is arranged below one end of the upper U-shaped piece, a second wire groove is arranged above one end of the lower U-shaped part, the first wire groove and the second wire groove are oppositely arranged, the conductive sliding block is positioned between the first wire groove and the second wire groove, the conductive sliding block is movably connected with the upper U-shaped piece, the outer side of the conductive sliding block is provided with a strip-shaped notch extending inwards, the notch is arranged above the notch, a grip positioning piece is arranged outside the notch, one end of the grip positioning piece is fixed below the notch, and a hook head at the other end of the grip positioning piece falls into the notch.
Furthermore, a T-shaped groove is formed in the outer side of the right side wall of the upper U-shaped part, a T-shaped connecting rod is embedded in the groove, and the conductive sliding block is fixed to the T-shaped connecting rod.
Furthermore, both ends are the circular arc type about the electrically conductive slider.
Further, the U-shaped outer surface of the upper U-shaped piece and the U-shaped inner surface of the lower U-shaped piece are both wedge-shaped surfaces.
Furthermore, the upper U-shaped part is connected with the lower U-shaped part through a bolt, the bolt sequentially penetrates through the lower U-shaped part and the upper U-shaped part from the bottom, and the U-shaped groove of the upper U-shaped part is fastened by a nut.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the creep-resistant clamp-type wire clamp of the utility model can automatically compensate the change of the wire diameter of the connected wire under the common compensation action of the elastic upper U-shaped piece and the conductive slider, thereby ensuring the reliable connection of the wire and avoiding the phenomena of loosening of the wire clamp and increase of contact resistance caused by the thinning of the wire; in addition the utility model discloses a grip spacer is fixed the conductor slider outside, and conductor slider again with wire direct contact, the event passes through the fastener can accurately judge whether the fastener is installed to target in place to can guarantee the anti creep effect of installation quality and fastener.
Drawings
Fig. 1 is a schematic structural view of a creep-resistant clamp type wire clamp of the present invention.
Fig. 2 is a schematic cross-sectional view taken at a-a in fig. 1.
In the figure: 1-upper U-shaped piece, 2-lower U-shaped piece, 3-conductive sliding block, 4-fastener, 5-first wire groove, 6-second wire groove, 7-notch, 8-notch, 9-grip positioning piece, 10-groove, 11-T-shaped connecting rod and 12-wire.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the present invention provides a creep-resistant clamp type wire clamp, including an upper U-shaped member 1, a lower U-shaped member 2 and a conductive slider 3, where the upper U-shaped member 1 is located above the lower U-shaped member 2, and the upper U-shaped member 1 is detachably connected to the lower U-shaped member 2 through a fastener 4, and preferably, the upper U-shaped member 1 is connected to the lower U-shaped member 2 through a bolt, and the bolt sequentially penetrates through the lower U-shaped member 2 and the upper U-shaped member 1 from the bottom and is fastened by a nut in a U-shaped groove of the upper U-shaped member 1.
Go up U-shaped 1 and be the elastic component and its U-shaped surface is the wedge, go up the 1 right side wall outside of U-shaped and be equipped with T font recess 10, the embedded T connecting rod 11 that is equipped with of recess 10, in this embodiment T connecting rod 11 can reciprocate in the recess 10, the one end below of going up U-shaped 1 is equipped with first wire casing 5, the U-shaped internal surface of lower U-shaped 2 is the wedge and its one end top is equipped with second wire casing 6, first wire casing 5 with second wire casing 6 sets up relatively.
The conductive slider 3 is located between the first linear groove 5 and the second linear groove 6, and the conductive slider 3 is movably connected with the upper U-shaped part, specifically, the conductive slider 3 is fixed on the T-shaped connecting rod 11, so that when the T-shaped connecting rod 11 moves up and down in the groove 10, the conductive slider 3 also moves up and down along with the T-shaped connecting rod, in this embodiment, the upper end and the lower end of the conductive slider 3 are both arc-shaped, and therefore the upper end and the lower end of the conductive slider 3 are respectively matched with the first linear groove 5 and the second linear groove 6 to clamp the two wires 12.
The utility model discloses in the outside of conductive sliding block 3 is equipped with inwardly extending's rectangular shape notch 7, notch 7 is located conductive sliding block 3's middle part, notch 7 top is equipped with breach 8, notch 7 is equipped with grip spacer 9 outward, 9 one ends of grip spacer are fixed notch 7 below, the eave tile of its other end fall into in the breach 8, because in this embodiment be equipped with on conductive sliding block 3 notch 7, so work as conductive sliding block 3 receives two during the extrusion of wire 12, notch 7 top conductive sliding block 3 can be extrudeed downwards, notch 7 below conductive sliding block 3 can be extrudeed upwards, thereby makes notch 7 reduces.
The utility model discloses a concrete installation does:
placing the two wires 12 in the first wire slot 5 and the second wire slot 6 respectively, and then screwing the bolt, so that the upper U-shaped part 1 and the lower U-shaped part 2 are matched with the conductive slider 3 respectively to generate a grip on the two wires 12, when the wire clamp is installed in place, the conductive slider 3 can generate elastic deformation, namely the notch 7 is reduced, at the moment, the hook head of the grip positioning piece 9 can fall into the notch 8, and the upper U-shaped part 1 and the lower U-shaped part 2 reach an optimal grip state at the moment; once the outer diameter of the clamped part of the wire 12 changes, the conductive sliding block 3 automatically compensates the change of the wire diameter of the wire 12, and in addition, because the upper U-shaped part 1 is an elastic part, the upper U-shaped part 1 can also automatically compensate when the wire diameter of the wire 12 changes, so that the reliable connection of the wire 12 can be effectively ensured, and the phenomena of loosening of a wire clamp and increase of contact resistance caused by thinning of the wire 12 cannot occur; in addition the utility model discloses a grip spacer 9 is fixed the 3 outsides of conductor slider, and conductor slider 3 again with 12 direct contact of wire, the event passes through whether the grip spacer 9 can accurately judge the fastener and install in place to can guarantee the anti creep effect of installation quality and fastener.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. The utility model provides a creep-resistant pincer type fastener which characterized in that: including last U-shaped spare, lower U-shaped spare and electrically conductive slider, it is located to go up the U-shaped spare top down, just go up the U-shaped spare and pass through the fastener and can dismantle the connection the U-shaped spare down, it is elastic component and its one end below to go up the U-shaped spare and be equipped with first wire casing, U-shaped spare one end top is equipped with the second wire casing down, first wire casing with second wire casing sets up relatively, electrically conductive slider is located first wire casing with between the second wire casing, just electrically conductive slider with go up U-shaped spare swing joint, electrically conductive slider's the outside is equipped with the rectangular shape notch of inside extension, the notch top is equipped with the breach, the notch is equipped with the grip spacer outward, grip spacer one end is fixed the notch below, the eave tile of its other end falls into in the breach.
2. The creep-resistant pliers clamp of claim 1 wherein: the outer side of the right side wall of the upper U-shaped part is provided with a T-shaped groove, a T-shaped connecting rod is embedded in the groove, and the conductive sliding block is fixed on the T-shaped connecting rod.
3. The creep-resistant pliers clamp of claim 1 wherein: the upper end and the lower end of the conductive sliding block are both arc-shaped.
4. The creep-resistant pliers clamp of claim 1 wherein: the U-shaped outer surface of the upper U-shaped piece and the U-shaped inner surface of the lower U-shaped piece are wedge-shaped surfaces.
5. The creep-resistant pliers clamp of claim 4 wherein: the upper U-shaped part is connected with the lower U-shaped part through a bolt, the bolt sequentially penetrates through the lower U-shaped part and the upper U-shaped part from the bottom, and the U-shaped groove of the upper U-shaped part is fastened through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020127218.4U CN211238529U (en) | 2020-01-20 | 2020-01-20 | Creep-resistant clamp type wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020127218.4U CN211238529U (en) | 2020-01-20 | 2020-01-20 | Creep-resistant clamp type wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211238529U true CN211238529U (en) | 2020-08-11 |
Family
ID=71931702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020127218.4U Expired - Fee Related CN211238529U (en) | 2020-01-20 | 2020-01-20 | Creep-resistant clamp type wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211238529U (en) |
-
2020
- 2020-01-20 CN CN202020127218.4U patent/CN211238529U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200811 |