CN109244697B - A kind of metal fitting - Google Patents
A kind of metal fitting Download PDFInfo
- Publication number
- CN109244697B CN109244697B CN201811126886.9A CN201811126886A CN109244697B CN 109244697 B CN109244697 B CN 109244697B CN 201811126886 A CN201811126886 A CN 201811126886A CN 109244697 B CN109244697 B CN 109244697B
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- CN
- China
- Prior art keywords
- wire
- thickness
- arc
- groove
- slot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002184 metal Substances 0.000 title 1
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 238000004441 surface measurement Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- H01R11/03—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 characterised by the relationship between the connecting locations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
本发明公开了一种金具，包括线夹套、楔块、螺杆，所述线夹套上部设置有第一线槽，所述线夹套上还设置有第一弧形槽，所述第一线槽设置在第一弧形槽的上方，所述线夹套上部设置有第二线槽，所述线夹套上还设置有第二弧形槽，所述第二线槽设置在第二弧形槽的上方，所述线夹套底部设置有凸起，所述凸起中央设置有螺纹孔，所述螺杆设置在螺纹孔内，所述螺杆顶部通过轴承与楔块底部固定连接，所述楔块设置在线夹套内。本发明该一种金具该一种金具具有结构简单合理、导电，导热、性能好等特点。
The present invention discloses a hardware, including a wire clamp sleeve, a wedge block, and a screw rod. The wire clamp sleeve is provided with a first wire groove on the upper part, and a first arc groove is also provided on the wire clamp sleeve, and the first wire groove is arranged above the first arc groove. The wire clamp sleeve is provided with a second wire groove on the upper part, and a second arc groove is also provided on the wire clamp sleeve, and the second wire groove is arranged above the second arc groove. The wire clamp sleeve is provided with a protrusion at the bottom, and a threaded hole is provided at the center of the protrusion. The screw rod is arranged in the threaded hole, and the top of the screw rod is fixedly connected to the bottom of the wedge block through a bearing, and the wedge block is arranged in the wire clamp sleeve. The hardware of the present invention has the characteristics of simple and reasonable structure, electrical conductivity, heat conductivity, good performance, etc.
Description
Technical Field
The invention relates to the technical field of wire clamping, in particular to a hardware fitting.
Background
The wire clamp is an appliance for realizing quick connection of wires. The traditional wire clamp comprises a clamp body which is vertically combined, and the upper clamp body and the lower clamp body are respectively provided with corresponding notches. When in implementation, the upper notch and the lower notch are spliced into a wire clamping notch, and the upper clamp body and the lower clamp body are connected by utilizing corresponding bolts so as to clamp the wires, thereby connecting the main wire with the branch wire.
At present, wire clamps with various structures exist in the market, but certain defects exist:
If the national intellectual property agency publishes application number 201220110861.1, the name of the V-shaped wire clamp comprises a V-shaped element, a wedge block and a bolt; the V-shaped element is provided with a V-shaped groove, and both inner sides of the opening at the upper end of the V-shaped groove are provided with arc-shaped accommodating grooves; the wedge blocks are fixedly arranged in the V-shaped grooves through bolts. The V-shaped wire clamp is simple and convenient to install, easy to maintain and stable in circuit performance due to large contact area, large holding power and good overload capacity after the wire is installed, but the following problems are caused: after the wire is used in the wire slot for too long time, the bottom through hole is easy to break when the pulling force of the wire is reasonably arranged at the bottom or the vibration frequency is too high, meanwhile, the wire slot can be used for accommodating the wire through the semicircular arc, the area of the wire slot wrapping the wire is too small, the load of the wire slot is increased, and meanwhile, the wire slot is poor in electric conductivity and heat conductivity due to the fact that the wire slot comprises the wedge block and the bolt.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, one purpose of the invention is to provide a hardware fitting, which has the characteristics of simple and reasonable structure, electric conduction, heat conduction, good performance and the like.
The technical scheme for solving the technical problems is as follows: the utility model provides a gold utensil, includes line clamp cover, voussoir, screw rod, line clamp cover upper portion is provided with first wire casing, still be provided with first arc wall on the line clamp cover, first wire casing sets up the top at first arc wall, line clamp cover upper portion is provided with the second wire casing, line clamp covers and still is provided with the second arc wall, the second wire casing sets up the top at the second arc wall, line clamp cover bottom is provided with the arch, protruding central authorities are provided with the screw hole, the screw rod sets up at threaded hole, the screw rod top is through bearing and bottom fixed connection, the voussoir sets up in the line clamp cover.
Further, the shape of the protrusion is trapezoid.
Further, arc top, hypotenuse, stabilizer blade are provided with on the voussoir, the stabilizer blade can fall in the bottom of first arc wall and second arc wall, stabilizer blade and protruding adaptation.
Further, a first wire groove extension edge is arranged on the first wire groove.
Further, a first wire groove extension edge is arranged on the second wire groove.
Further, the relation among the thickness of the first wire slot, the thickness of the first arc-shaped slot and the thickness of the bulge is as follows: the thickness of the first wire groove is less than the thickness of the first arc-shaped groove is less than the thickness of the protrusion.
Further, the relation among the thickness of the second wire slot, the thickness of the second arc-shaped slot and the thickness of the bulge is as follows: the thickness of the second wire groove is less than the thickness of the second arc groove is less than the thickness of the protrusion.
Further, the thickness of the first arc-shaped groove is 2/3-4/5 of the thickness of the protrusion.
Further, the thickness of the second arc-shaped groove is 2/3-4/5 of the thickness of the protrusion.
Further, the wedge block is made of aluminum alloy with good conductivity.
Further, the screw is high-strength corrosion-resistant stainless steel.
The beneficial effects of the invention are as follows: the utility model provides a gold utensil, the use of use is through putting the wire in first wire casing and second wire casing, through rotatory screw rod, the screw rod rotates at threaded hole, because the screw rod top is connected with the voussoir through the bearing, the voussoir will upward movement, thereby press from both sides the wire through the hypotenuse of wire casing and voussoir, through setting up first wire casing extension limit on first wire casing, set up first wire casing extension limit on the second wire casing, can improve the grip of first wire casing and second wire casing respectively, through setting up the arch, can effectually avoid the wire to generate heat the grip destruction to the jacket, the voussoir is the aluminum alloy that conductivity is good simultaneously, the resistance can be less relatively, through setting up first arc wall, can make first arc wall, first arc wall position keep good grip performance when voussoir upward movement.
Drawings
Fig. 1 is a schematic structural diagram of a hardware fitting according to the present invention;
Fig. 2 is a schematic diagram of a front view structure of a hardware fitting according to the present invention;
FIG. 3 is a schematic diagram of a front view of a wire jacket of a hardware fitting according to the present invention;
fig. 4 is a schematic diagram of a front view structure of a wedge block in a hardware fitting according to the present invention;
fig. 5 is a schematic diagram of a mechanical test action surface of a wire clamp sleeve of the hardware fitting;
Fig. 6 is a schematic diagram of a mechanical test stress analysis of a wire clamp sleeve of the present invention;
Fig. 7 is a schematic diagram of body surface measurement of a hardware fitting according to the present invention;
fig. 8 is a schematic diagram of body surface measurement of a hardware fitting according to the present invention;
fig. 9 is an effect schematic diagram of an embodiment of the present invention;
In the drawings, the list of components represented by the various numbers is as follows:
1. A wire jacket; 10. a protrusion; 11. a first wire chase; 12. a first wire groove extension; 13. a first arc-shaped groove; 14. a second wire slot; 15. the second wire slot extends the edge; 16. a second arc-shaped groove; 17. a threaded hole; 2. wedge blocks; 20. arc top; 21. a beveled edge; 22. a support leg; 3. and (3) a screw.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1-4, the hardware fitting of this embodiment includes a wire clamp sleeve 1, a wedge 2, and a screw, wherein a first wire groove 11 is provided on the upper portion of the wire clamp sleeve 1, a first arc groove 13 is further provided on the wire clamp sleeve 1, the first wire groove 11 is provided above the first arc groove 13, a second wire groove 14 is provided on the upper portion of the wire clamp sleeve 1, a second arc groove 16 is further provided on the wire clamp sleeve 1, the second wire groove 14 is provided above the second arc groove 16, a protrusion 10 is provided at the bottom of the wire clamp sleeve 1, a threaded hole 17 is provided in the center of the protrusion 10, the screw 3 is provided in the threaded hole 17, the top of the screw 3 is fixedly connected with the bottom of the wedge 2 through a bearing, and the wedge 2 is provided in the wire clamp sleeve 1.
The shape of the protrusion 10 in the fitting is trapezoidal in this embodiment.
In this embodiment, the wedge block 2 is provided with a circular arc top 20, a bevel edge 21 and a support leg 22, the support leg 22 can fall on the bottoms of the first arc groove 13 and the second arc groove 16, and the support leg 22 is adapted to the protrusion 10.
In this embodiment, a first wire groove 11 is provided with a first wire groove extension edge 12.
In this embodiment, the second slot 14 is provided with a first slot extension edge 15.
The relation among the thickness of the first wire groove 11, the thickness of the first arc groove 13 and the thickness of the protrusion 10 in the fitting is as follows: the thickness of the first wire groove 11 < the thickness of the first arc groove 13 < the thickness of the protrusion 10.
The relation among the thickness of the second wire slot 14, the thickness of the second arc-shaped slot 16 and the thickness of the protrusion 10 in the hardware fitting is as follows: the thickness of the second wire chase 14 < the thickness of the second arcuate slot 16 < the thickness of the projection 10.
In the embodiment, the thickness of the first arc-shaped groove 11 in the hardware fitting is 2/3-4/5 of the thickness of the protrusion 10.
The thickness of the second arc-shaped groove 16 in the hardware fitting is 2/3-4/5 of the thickness of the protrusion 10.
In this embodiment, the wedge block 2 of the hardware is made of an aluminum alloy with good conductivity.
In the embodiment, the screw 3 is high-strength corrosion-resistant stainless steel.
Fig. 9 shows an effect picture of the embodiment.
Effect evaluation:
1. Body surface measurement data: as shown in fig. 7-8, the temperature of the test wire is stabilized at 130 degrees+/-2 degrees according to the requirements of the standard GB/T2317.3-2008 by using 185mm 2 aluminum wires and hardware fittings corresponding to the embodiment, the temperature and the resistance of a test piece are measured, and through 5 temperature rise tests, the basic parameters of the test are as follows;
Wire temperature: 131-136 DEG, specimen temperature: 113-117 DEG, constant temperature resistance of the test piece: up to 1.41 (mΩ),
Initial resistance before experiment: 2.67 (mΩ), 1.18 (mΩ), 30.7 ° of temperature
Experiments show that after the wedge block adopts the aluminum alloy with good conductivity, the temperature of the lower part of the hardware fitting is obviously lower than that of the upper part, the temperature difference of the hardware fitting wires is 15 degrees from the temperature difference of the closer point of the hardware fitting, and the temperature difference is 46 degrees from the temperature difference of the farther point of the hardware fitting, so that the energy is saved and the environment is protected.
2. Mechanical test of wire jacket
Experimental conditions, the wire jacket, were analyzed using a nastran solver in UG software. The material of the wire jacket is selected to be aluminum alloy; the line jacket stress analysis is shown in fig. 6, the acting surface is shown in fig. 5, the applied moment is 12470N, and the analysis results of the software analysis are shown in fig. 6 as follows: and the maximum position and the minimum position of the stress intensity are shown in the figure, and the equivalent stress is analyzed.
Maximum force: 2.640e+005mN/mm 2 (kPa),
Minimum stress: 4.903e+001mN/mm 2 (kPa)
The stress direction of the wire sleeve is vertical to the round surface, and the main stress point is arranged at the bottoms of the first arc-shaped groove and the second arc-shaped groove, so that the bulge is arranged at the bottom of the wire sleeve, and meanwhile, when the thickness of the first wire groove is smaller than the thickness of the first arc-shaped groove, the thickness of the second wire groove is smaller than the thickness of the second arc-shaped groove, the bulge is smaller than the thickness of the second arc-shaped groove, and the structural stability is best.
Particularly, the thickness of the first arc-shaped groove is 2/3-4/5 of the thickness of the bulge, and the thickness of the second arc-shaped groove is 2/3-4/5 of the thickness of the bulge.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not to be construed as limiting the present invention, and that variations, modifications, alternatives and variations of the above embodiments may be made by those skilled in the art within the scope of the present invention.
Claims (1)
1. The hardware fitting is characterized by comprising a wire jacket, a wedge block and a screw rod, wherein a first wire groove is formed in the upper portion of the wire jacket, a first arc-shaped groove is further formed in the wire jacket, the first wire groove is formed in the upper portion of the first arc-shaped groove, a second wire groove is formed in the upper portion of the wire jacket, a second arc-shaped groove is further formed in the wire jacket, the second wire groove is formed in the upper portion of the second arc-shaped groove, a protrusion is arranged at the bottom of the wire jacket, a threaded hole is formed in the center of the protrusion, the screw rod is arranged in the threaded hole, the top of the screw rod is fixedly connected with the bottom of the wedge block through a bearing, and the wedge block is arranged in the wire jacket;
The shape of the bulge is trapezoid;
The wedge block is provided with an arc top, a bevel edge and a supporting leg, the supporting leg falls on the bottoms of the first arc-shaped groove and the second arc-shaped groove, and the supporting leg is matched with the bulge;
a first wire groove extension edge is arranged on the first wire groove;
A second wire slot extension edge is arranged on the second wire slot;
The relation among the thickness of the first wire slot, the thickness of the first arc-shaped slot and the thickness of the bulge is as follows: the thickness of the first wire slot is smaller than the thickness of the first arc-shaped slot and smaller than the thickness of the bulge;
The thickness of the second wire slot, the thickness of the second arc slot and the thickness of the bulge are as follows: the thickness of the second wire slot is smaller than the thickness of the second arc-shaped slot and smaller than the thickness of the bulge;
the thickness of the first arc-shaped groove is 2/3-4/5 of the thickness of the bulge;
The thickness of the second arc-shaped groove is 2/3-4/5 of the thickness of the bulge;
The wedge block is made of aluminum alloy with good conductivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811126886.9A CN109244697B (en) | 2018-09-26 | 2018-09-26 | A kind of metal fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811126886.9A CN109244697B (en) | 2018-09-26 | 2018-09-26 | A kind of metal fitting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109244697A CN109244697A (en) | 2019-01-18 |
| CN109244697B true CN109244697B (en) | 2024-11-15 |
Family
ID=65057763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811126886.9A Active CN109244697B (en) | 2018-09-26 | 2018-09-26 | A kind of metal fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109244697B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4915653A (en) * | 1988-12-16 | 1990-04-10 | Amp Incorporated | Electrical connector |
| JP5789038B1 (en) * | 2014-12-01 | 2015-10-07 | 恒和工業株式会社 | Electric wire connector |
| CN108565573A (en) * | 2018-06-21 | 2018-09-21 | 重庆德普电气有限公司 | Z-shaped parallel groove clamp |
| CN209344348U (en) * | 2018-09-26 | 2019-09-03 | 蚌埠为捷电气科技有限公司 | A kind of fitting |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4684196A (en) * | 1986-04-25 | 1987-08-04 | Kupler Corporation | Electrical clamp connector |
| FI121691B (en) * | 2009-07-27 | 2011-02-28 | Ensto Finland Oy | Connection piece for coated overhead lines |
| CN103001017B (en) * | 2012-12-27 | 2015-04-08 | 广州番禺电缆集团有限公司 | Multidirectional rotary connection cable clamp |
| CN203377395U (en) * | 2013-07-02 | 2014-01-01 | 广州番禺电缆集团有限公司 | Reinforced cable connecting clamp |
| CN205680799U (en) * | 2016-06-21 | 2016-11-09 | 金锢电气有限公司 | Cuprum aluminum wire clamp |
| CN105977893A (en) * | 2016-07-04 | 2016-09-28 | 中国电力科学研究院 | Wedge bolt parallel groove clamp and transmission tower |
-
2018
- 2018-09-26 CN CN201811126886.9A patent/CN109244697B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4915653A (en) * | 1988-12-16 | 1990-04-10 | Amp Incorporated | Electrical connector |
| JP5789038B1 (en) * | 2014-12-01 | 2015-10-07 | 恒和工業株式会社 | Electric wire connector |
| CN108565573A (en) * | 2018-06-21 | 2018-09-21 | 重庆德普电气有限公司 | Z-shaped parallel groove clamp |
| CN209344348U (en) * | 2018-09-26 | 2019-09-03 | 蚌埠为捷电气科技有限公司 | A kind of fitting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109244697A (en) | 2019-01-18 |
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