CN217361926U - Stainless steel connecting wire - Google Patents
Stainless steel connecting wire Download PDFInfo
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- CN217361926U CN217361926U CN202123417929.9U CN202123417929U CN217361926U CN 217361926 U CN217361926 U CN 217361926U CN 202123417929 U CN202123417929 U CN 202123417929U CN 217361926 U CN217361926 U CN 217361926U
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- stainless steel
- wire
- connecting wire
- washer
- gasket
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Abstract
The utility model provides a stainless steel connecting wire, including the stranded conductor with connect the line nose at stranded conductor both ends, the line nose of every end includes sleeve portion and platykurtic, the both ends of stranded conductor crimping respectively in the sleeve portion at both ends, the junction passes through with concave cambered surface between the sleeve portion of every end and the platykurtic, concave direction orientation sleeve portion of concave cambered surface and the bottom junction of platykurtic. In the stainless steel connecting wire of the utility model, the junction of the sleeve part and the flat part of the wire nose is transited by the concave cambered surface, which can eliminate the stress concentration of the junction, enhance the structural strength of the wire nose and prolong the service life of the wire nose, and meanwhile, because of the concave cambered surface, the production raw materials can be saved and the production cost can be reduced; the wire nose is fixed to equipment through set screw and fixation nut, and first packing ring and second packing ring can play shock attenuation, locking effect, and the installation stability of reinforcing stainless steel connecting wire avoids the stainless steel connecting wire to drop.
Description
Technical Field
The utility model relates to a connecting piece field especially relates to a stainless steel connecting wire.
Background
The stainless steel connecting wire is also called as a grounding terminal connecting wire and is mainly used in the fields of high-speed railway passenger dedicated lines, petrochemical industry, water conservancy and hydropower, aviation hubs and the like; the middle of the stainless steel connecting wire is provided with a steel strand, the two ends of the stainless steel connecting wire are provided with stainless steel wire noses, and the wire noses are connected with the strand in a compression joint mode. The stainless steel grounding terminal connecting wire is used for connecting bridges and piers in a railway comprehensive grounding system, connecting track plates, connecting trackside equipment with the comprehensive grounding system, connecting a steel rail to ground, connecting a slag-free track plate, connecting the slag-free track plate with the comprehensive grounding system and the like. The stainless steel connecting wire in the prior art is simple in structure, the connecting part of the sleeve part and the flat part in the wire nose is in vertical transition or in transition by an inclined plane or a convex cambered surface, the problem of stress concentration exists, the strength is low, the stainless steel connecting wire is easy to damage in use, and the maintenance and replacement cost is high.
Disclosure of Invention
The utility model aims at solving the shortcoming that exists among the prior art, and the stainless steel connecting wire that proposes, the problem of stress concentration is eliminated, improves the structural strength of line nose, prolongs its life.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
a stainless steel connecting wire comprises a stranded wire and wire noses connected to two ends of the stranded wire, wherein each wire nose at each end comprises a sleeve part and a flat part, two ends of the stranded wire are respectively pressed in the sleeve parts at the two ends, the connecting part between the sleeve part and the flat part at each end is in transition through a concave arc surface, and the concave direction of the concave arc surface faces the connecting part between the sleeve part and the bottom end of the flat part.
Preferably, the flat portion is provided with a mounting screw hole, and an axis of the mounting screw hole is perpendicular to an axis of the sleeve portion.
Preferably, the fixing device further comprises a fixing screw, a fixing nut, a first gasket and a second gasket, the fixing screw penetrates through the mounting screw hole, the fixing nut, the first gasket and the second gasket are sleeved on the fixing screw, and the first gasket and the second gasket are located between the fixing nut and the flat portion.
Preferably, the first washer is an annular rubber washer, and the first washer is located between the second washer and the flat portion in the axial direction of the mounting screw hole.
Preferably, the second washer is a spring washer, and the second washer is located between the first washer and the fixing nut along the axial direction of the mounting screw hole.
Preferably, the outer diameter of the first washer is larger than that of the second washer, the fixing nut is a hexagonal nut, and the outer diameter of the first washer is larger than that of a circumscribed circle of the fixing nut.
Preferably, the arc angle corresponding to the concave arc surface is 60-90 degrees.
Preferably, the sleeve portion is radially provided with a locking hole and a locking screw.
Preferably, the side of platykurtic is equipped with the side ear, be equipped with locking screw on the side ear, the internal diameter of locking screw is less than the internal diameter of installation screw.
Preferably, the strand is twisted from a plurality of steel wires.
Compared with the prior art, the beneficial effects of the utility model are that: in the stainless steel connecting wire of the utility model, the junction of the sleeve part and the flat part of the wire nose is transited by the concave cambered surface, which can eliminate the stress concentration of the junction, enhance the structural strength of the wire nose and prolong the service life of the wire nose, and meanwhile, because of the concave cambered surface, the production raw materials can be saved and the production cost can be reduced; the wire nose is fixed to equipment through set screw and fixation nut, and first packing ring and second packing ring can play dispersed pressure, reducing wear, shock attenuation, locking effect, and the installation stability of reinforcing stainless steel connecting wire avoids the stainless steel connecting wire to drop.
Drawings
Fig. 1 is a structural diagram of a stainless steel connecting wire according to embodiment 1 of the present invention;
fig. 2 is a structural diagram of a central line nose, a fixing screw, a fixing nut, a first washer and a second washer of a stainless steel connecting line in embodiment 1 of the present invention;
fig. 3 is a three-dimensional structure view of a stainless steel connecting wire central line nose of the embodiment 1 of the present invention;
fig. 4 is a three-dimensional structure diagram of a stainless steel connecting wire according to embodiment 2 of the present invention;
fig. 5 is a three-dimensional structure view of a stainless steel connecting wire midline nose according to embodiment 2 of the present invention.
In the figure, 1-strand, 2-wire nose, 21-sleeve part, 211-locking hole, 212-locking screw, 22-flat part, 221-installation screw hole, 23-concave cambered surface, 24-side ear part, 241-anti-loose screw hole, 3-fixing screw, 4-fixing nut, 5-first washer and 6-second washer.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Please refer to fig. 1 to fig. 3, fig. 1 is a structural diagram of a stainless steel connecting wire according to embodiment 1 of the present invention; fig. 2 is a structural diagram of a stainless steel connecting wire center line nose, a fixing screw, a fixing nut, a first washer and a second washer according to embodiment 1 of the present invention; fig. 3 is a three-dimensional structure view of a stainless steel connecting wire midline nose of the utility model embodiment 1.
Referring to fig. 1, the stainless steel connection cable according to embodiment 1 of the present invention includes a stranded cable 1 and wire noses 2 connected to two ends of the stranded cable 1, the stranded cable 1 is formed by twisting a plurality of steel wires, each wire nose 2 includes a sleeve portion 21 and a flat portion 22, two ends of the stranded cable 1 are respectively crimped in the sleeve portions 21 at the two ends, a concave arc surface 23 is formed at a connection portion between the sleeve portion 21 and the flat portion 22 at each end for transition, and a concave direction of the concave arc surface 23 faces a connection portion between the sleeve portion 21 and the flat portion 22. The sleeve part 21 of the wire nose 2 is connected with the flat part 22 to form a transition with the concave cambered surface 23, so that vertical transition or transition with an inclined plane or a convex cambered surface is avoided, stress concentration at the connection part of the sleeve part 21 and the flat part 22 can be eliminated, the structural strength of the wire nose 2 is enhanced, the service life of the wire nose is prolonged, and meanwhile, due to the concave cambered surface 23, production raw materials can be saved, and the production cost is reduced. In production, the wire nose 2 is integrally formed by stainless steel, so that the structure strength is high and the service life is long.
Preferably, referring to fig. 3, in embodiment 1 of the present invention, the flat portion 22 is provided with a mounting screw hole 221, and an axis of the mounting screw hole 221 is perpendicular to an axis of the sleeve portion 21. During the installation, operating personnel can utilize installation screw 221 will the utility model discloses in the equipment is installed to the stainless steel connecting wire of embodiment 1.
Further, please refer to fig. 1 and fig. 2 in combination, the stainless steel connecting wire according to embodiment 1 of the present invention further includes a fixing screw 3, a fixing nut 4, a first washer 5 and a second washer 6, the fixing screw 3 passes through the installation screw hole 221, the fixing nut 4, the first washer 5 and the second washer 6 are sleeved on the fixing screw 3, and the first washer 5 and the second washer 6 are located between the fixing nut 4 and the flat portion 22. During installation, the fixing nut 4, the second gasket 6 and the first gasket 5 are sequentially sleeved on the fixing screw rod 3, then the fixing screw rod 3 is screwed into the installation screw hole 221, and the fixing nut 4 is screwed tightly, so that the stainless steel connecting wire is installed in equipment; first packing ring 5, second packing ring 6 play dispersed pressure, avoid wearing and tearing, shock attenuation, locking effect, can strengthen the installation steadiness of stainless steel connecting wire, avoid using not hard up or drop.
Since the support surface of the fixing nut 4 is not large due to the material and process limitations of the fastening member such as the fixing nut 4, a washer needs to be provided between the fixing nut 4 and the flat portion 22 in order to reduce the compressive stress of the pressure receiving surface (the surface of the flat portion 22) and protect the surface of the flat portion 22 from damage during installation. Wherein the first gasket 5 is an annular rubber gasket, and the first gasket 5 is located between the second gasket 6 and the flat portion 22 along the axial direction of the mounting screw hole 221. In installation, the first gasket 5 is tightly attached to the surface of the flat part 22, and the first gasket 5 is made of rubber and has toughness, so that the second gasket 6 or the fixing nut 4 can be prevented from being in direct contact with the flat part 22, and the surface of the flat part 22 is prevented from being rubbed or scratched; the contact area with the flat part 22 can be increased, and the fastening performance is enhanced; the pressure of the fixing nut 4 on the flat part 22 can be dispersed, the service life of the wire nose 2 is prolonged, and replacement is reduced.
Preferably, the second washer 6 is a spring washer, and the second washer 6 is located between the first washer 5 and the fixing nut 4 in the axial direction of the mounting screw hole 221. The spring washer has the effect of shock attenuation locking, and the stainless steel connecting wire is not hard up or drops when can avoiding equipment vibrations.
Preferably, referring to fig. 2, the outer diameter of the first washer 5 is larger than that of the second washer 6, the fixing nut 4 is a hexagonal nut, and the outer diameter of the first washer 5 is larger than that of a circumscribed circle of the fixing nut 4. The first washer 5 mainly functions to increase the contact area of the fixing nut 4 and the flat part 22, disperse the pressure of the fixing nut 4 on the flat part 22, and avoid abrasion or scratching the surface of the flat part 22, so the outer diameter of the first washer 5 is larger than the diameter of the circumscribed circle of the fixing nut 4; the second gasket 6 is used for damping and preventing looseness, and the stainless steel connecting wire is prevented from loosening or falling off due to vibration of equipment after installation.
Preferably, the concave arc surface 23 corresponds to an arc angle of 60 ° to 90 °. The arc angle corresponding to the concave arc surface 23 can be appropriately adjusted within an allowable range according to the outer diameter of the sleeve portion 21 and the size of the flat portion 22; the joint of the sleeve part 21 and the flat part 22 is in transition through the concave cambered surface 23, so that the stress concentration at the joint can be eliminated, and the structural strength of the wire nose 2 is enhanced; and production raw materials can be saved, and the production cost is reduced.
Please refer to fig. 4 and fig. 5 in combination, fig. 4 is a three-dimensional structure diagram of a stainless steel connecting wire according to embodiment 2 of the present invention; fig. 5 is a three-dimensional structure view of a stainless steel connecting wire midline nose according to embodiment 2 of the present invention.
The utility model discloses embodiment 2 a stainless steel connecting wire, including stranded conductor 1 and the line nose 2 of connection at 1 both ends of stranded conductor, stranded conductor 1 is twisted with fingers by stranded steel wire line and is made, and the line nose 2 of every end includes sleeve portion 21 and flat portion 22, and the both ends of stranded conductor 1 crimping respectively is in the sleeve portion 21 at both ends, and the concave arc face 23 transition is located in the department of being connected between the sleeve portion 21 of every end and the flat portion 22, concave arc face 23 sunken direction towards sleeve portion 21 and flat portion 22's bottom junction. The sleeve part 21 of the wire nose 2 is connected with the flat part 22 to form a transition with the concave cambered surface 23, so that vertical transition or transition with an inclined plane or a convex cambered surface is avoided, stress concentration at the connection part of the sleeve part 21 and the flat part 22 can be eliminated, the structural strength of the wire nose 2 is enhanced, the service life of the wire nose is prolonged, and meanwhile, due to the concave cambered surface 23, production raw materials can be saved, and the production cost is reduced.
Preferably, referring to fig. 4 and 5, in the stainless steel connecting wire according to embodiment 2 of the present invention, the sleeve portion 21 is provided with a locking hole 211 and a locking screw 212 in a radial direction. After the stranded wire 1 is pressed in the sleeve part 21, the end part of the stranded wire 1 can be further fixed by the locking screw 212 penetrating through the locking hole 211, so that the connection strength of the wire nose 2 and the end part of the stranded wire 1 is enhanced, and the service life of the stainless steel connecting wire is prolonged.
Preferably, in the stainless steel connecting wire according to embodiment 2 of the present invention, the side edge of the flat portion 22 is further provided with a side ear portion 24, the side ear portion 24 is integrally formed with the flat portion 22, and the bottom surface of the side ear portion 24 is flush with the bottom surface of the flat portion 22; the side ear part 24 is provided with a locking screw hole 241, and the inner diameter of the locking screw hole 241 is smaller than that of the mounting screw hole 221. In the installation, utilize clamping screw 3, fixation nut 4, first packing ring 5, second packing ring 6 to install the equipment back with the stainless steel connecting wire, can also utilize locking screw 241 on the side ear 24 to further fix it, the installation stability of reinforcing stainless steel connecting wire is not hard up or drops in avoiding the stainless steel connecting wire use, reduces cost of maintenance.
To sum up, the utility model provides a stainless steel connecting wire, the stranded conductor both ends crimping respectively in the sleeve portion at both ends, the sleeve portion of line nose and flat portion junction are in transition with the concave cambered surface, can eliminate the stress concentration of junction, strengthen the structural strength of line nose, prolong its life, simultaneously, because the sunken of concave cambered surface, can also save the raw materials for production, reduce manufacturing cost; the wire nose section passes through clamping screw and fixation nut to be fixed to equipment on, and first packing ring and second packing ring can play dispersed pressure, reducing wear, shock attenuation, locking effect, and the installation stability of reinforcing stainless steel connecting wire avoids the stainless steel connecting wire to drop.
The present invention has been described in connection with the above embodiments, which are only examples of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (10)
1. A stainless steel connecting wire comprises a stranded wire and wire noses connected to two ends of the stranded wire, wherein each wire nose comprises a sleeve part and a flat part, two ends of the stranded wire are respectively crimped in the sleeve parts at the two ends, and the stainless steel connecting wire is characterized in that: the connection part between the sleeve part and the flat part at each end is in transition by a concave arc surface, and the concave direction of the concave arc surface faces the connection part between the sleeve part and the bottom end of the flat part.
2. The stainless steel patch cord of claim 1, wherein: and the flat part is provided with a mounting screw hole, and the axis of the mounting screw hole is vertical to the axis of the sleeve part.
3. The stainless steel connecting wire of claim 2, wherein: the fixing screw penetrates through the mounting screw hole, the fixing nut, the first gasket and the second gasket are sleeved on the fixing screw, and the first gasket and the second gasket are located between the fixing nut and the flat portion.
4. The stainless steel patch cord of claim 3, wherein: the first gasket is an annular rubber gasket, and the first gasket is located between the second gasket and the flat part along the axis direction of the mounting screw hole.
5. The stainless steel patch cord of claim 4, wherein: the second washer is a spring washer and is located between the first washer and the fixing nut along the axis direction of the mounting screw hole.
6. The stainless steel patch cord of claim 5, wherein: the outer diameter of the first washer is larger than that of the second washer, the fixing nut is a hexagonal nut, and the outer diameter of the first washer is larger than that of an outer circle of the fixing nut.
7. The stainless steel patch cord of claim 1, wherein: the arc angle corresponding to the concave arc surface is 60-90 degrees.
8. The stainless steel patch cord of claim 1, wherein: the sleeve portion is radially provided with a locking hole and a locking screw.
9. The stainless steel patch cord of claim 2, wherein: the side of platykurtic is equipped with the side ear, be equipped with locking screw on the side ear, the internal diameter of locking screw is less than the internal diameter of installation screw.
10. The stainless steel patch cord of claim 1, wherein: the stranded wire is formed by twisting a plurality of steel wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123417929.9U CN217361926U (en) | 2021-12-31 | 2021-12-31 | Stainless steel connecting wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123417929.9U CN217361926U (en) | 2021-12-31 | 2021-12-31 | Stainless steel connecting wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217361926U true CN217361926U (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123417929.9U Active CN217361926U (en) | 2021-12-31 | 2021-12-31 | Stainless steel connecting wire |
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| Country | Link |
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| CN (1) | CN217361926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117913563A (en) * | 2024-03-20 | 2024-04-19 | 珂耐特(常州)智能科技有限公司 | Wire-to-wire male pin end connector |
-
2021
- 2021-12-31 CN CN202123417929.9U patent/CN217361926U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117913563A (en) * | 2024-03-20 | 2024-04-19 | 珂耐特(常州)智能科技有限公司 | Wire-to-wire male pin end connector |
| CN117913563B (en) * | 2024-03-20 | 2024-05-17 | 珂耐特(常州)智能科技有限公司 | Wire-to-wire male pin end connector |
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