CN115662857A - Quick termination of fuse and closed fuse - Google Patents
Quick termination of fuse and closed fuse Download PDFInfo
- Publication number
- CN115662857A CN115662857A CN202211391954.0A CN202211391954A CN115662857A CN 115662857 A CN115662857 A CN 115662857A CN 202211391954 A CN202211391954 A CN 202211391954A CN 115662857 A CN115662857 A CN 115662857A
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- wire harness
- wiring
- column section
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Abstract
The invention provides a quick wiring device of a fuse and a closed fuse, wherein the wiring device comprises a wiring harness base, a wiring harness locking nut and an insulating sheath; the wire harness base comprises a first pipe section and a first column section, one end of the first column section is used for being fixedly connected with a connecting conductor at an upper or lower outgoing line of the fuse, and the other end of the first column section is provided with a concentric inner hole and is coaxially and fixedly connected with the first pipe section; a plurality of gaps are formed in the circumference of the wiring harness base; the inner diameters of the first pipe section and the first column section are the same and are matched with the diameter of the drainage wire, and the outer diameter of the first column section is larger than that of the first pipe section; the first column section is provided with an external thread; the inner diameter of the section where the wire harness locking nut is matched with the outer wall of the first pipe section is smaller than the outer diameter of the first pipe section, and the section where the wire harness locking nut is matched with the outer wall of the first column section is provided with internal threads. The wiring device is simple in structure and convenient to operate, wiring difficulty of the fuse can be reduced, wiring efficiency is improved, quick replacement and repair are realized, and the problem that the whole fuse needs to be replaced when a fault occurs is avoided.
Description
Technical Field
The invention relates to the technical field of fuse wiring, in particular to a quick fuse wiring device and a closed fuse.
Background
The existing all-insulation fuse product is pre-provided with an upper connecting cable and a lower connecting cable at the upper wire outlet and the lower wire outlet respectively, and constructors connect the upper connecting cable and the lower connecting cable with a drainage wire respectively on an installation site to complete wiring. Generally, the specifications of the upper and lower connecting cables and the diameter of the drainage wire are greatly different, the construction personnel on site have inconvenient wiring installation operation on the electric pole, and the wiring process quality cannot be ensured, so that the fuse has higher cable outlet failure rate in operation; due to the limitation of the upper and lower outlet structures and the complex wiring of the outlet, the wiring fault is not easy to repair, once the outlet fault easily causes the scrapping of the whole fuse, the resource is seriously wasted, and the environment is seriously polluted.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a quick wiring device of a fuse and a closed fuse, which are used for solving the problems that the existing all-insulation fuse is difficult to wire and the wiring is difficult to repair when a fault occurs.
The invention provides a quick wiring device of a fuse, which is used for the wiring of upper and lower outgoing lines of the fuse and comprises a wiring harness base, a wiring harness locking nut and an insulating sheath, wherein the wiring harness base, the wiring harness locking nut and the insulating sheath are all tubular;
the wire harness base comprises a first pipe section and a first column section, one end of the first column section is used for being fixedly connected with a connecting conductor at an upper wire outlet or a lower wire outlet of the fuse, and the other end of the first column section is axially provided with a concentric inner hole and is coaxially and fixedly connected with one end of the first pipe section; a plurality of gaps are uniformly formed in the circumference of the wiring harness base and extend from the other end of the first pipe section to the first column section;
the inner diameter of the first pipe section is the same as that of the first column section and is matched with the diameter of a drainage wire used in the wiring of the fuse, and the outer diameter of the first column section is larger than that of the first pipe section;
the first column section is provided with an external thread;
the inner wall of the wire harness locking nut is matched with the outer wall of the wire harness base, wherein the inner diameter of a section matched with the outer wall of the first pipe section is smaller than the outer diameter of the first pipe section, and an inner thread matched with the outer thread of the first column section is arranged at a section matched with the outer wall of the first column section.
Preferably, the notch extends into the external thread of the first column section.
Further preferably, the first tube section and the outer wall circumference of the first column section are coaxially connected by an inclined shaft shoulder.
Still further preferably, the inner diameter of the anastomotic section of the inner wall of the wire harness locking nut and the outer wall of the first pipe section is 1-2 mm smaller than the outer diameter of the first pipe section.
Preferably, the number of the notches is four.
Preferably, the harness base and the harness lock nut are copper.
The invention also provides a closed fuse, wherein the upper outgoing line and the lower outgoing line of the fuse are both provided with a silica gel block and a conductor tube, the silica gel block is provided with an inner through hole, and the conductor tube is connected with the silica gel block by penetrating through the inner through hole;
one end of a conductor tube at an upper outlet of the fuse is connected with the upper moving contact, and one end of the conductor tube at a lower outlet is connected with the lower static contact;
the other ends of the conductor tubes at the upper outgoing line and the lower outgoing line of the fuse are both used for being connected with any one of the wiring devices.
Further preferably, the conductor tube is copper.
Still further preferably, the conductor tube is connected to the wiring device of any one of the above by welding.
Still further preferably, the outer contour of the silica gel block at the outgoing line position on the fuse is conical, and the diameter of one end facing to the installation of the wiring device is the same as the outer diameter of the first column section of the wiring device.
According to the technical scheme, the invention has the following advantages:
according to the fuse quick wiring device provided by the invention, the inner diameter of the inosculation section of the inner wall of the wire harness locking nut and the outer wall of the first pipe section is set to be smaller than the outer diameter of the first pipe section, and a plurality of gaps are arranged on the wire harness base, so that the wire harness base is fixedly connected with a connecting conductor at an upper wire outlet or a lower wire outlet of a fuse during the wiring operation of the fuse, a drainage wire penetrates through the insulating sheath, the wire harness locking nut and the wire harness base until the drainage wire is abutted against the first column section, then the wire harness locking nut is screwed to enable the first pipe section to be extruded by the inner wall of the wire harness locking nut to generate radial contraction after entering the wire harness locking nut, so that the drainage wire is connected with the connecting conductor in the fuse and is compressed and fixed, and finally the insulating sheath is sleeved on the outer surfaces of the wire harness base and the wire harness locking nut. This termination simple structure, convenient operation can reduce the fuse wiring degree of difficulty through using this termination, improves wiring efficiency, and when the wiring trouble that takes place to be qualified for the next round of competitions, can dismantle fast, change and restore, avoids changing the whole fuse.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a perspective view of a wire harness locking nut of a fuse quick-connection device according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a wire harness locking nut of a fuse quick-connection device according to an embodiment of the present invention;
fig. 3 is a perspective view of a harness base of a fuse quick-connect device according to an embodiment of the invention;
FIG. 4 is a cross-sectional view of a harness base of a fuse quick-connect connector according to one embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a closed fuse and its connection with a quick wiring device according to a second embodiment of the present invention;
fig. 6 is an external view schematically illustrating a closed fuse according to a second embodiment of the present invention after being connected to a quick wiring device;
wherein the reference numbers indicate: the wire harness comprises a wire harness base 1, a wire harness locking nut 2, an insulating sheath 3, a first pipe section 4, a first column section 5, a notch 6, a drainage wire 7, an external thread 8, an upper outlet wire 9, a lower outlet wire 10, a silica gel block 11, a conductor pipe 12, an inner through hole 13, an upper moving contact 14, a lower static contact 15, a closed fuse 16 and an inclined shaft shoulder 17.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present application, it is to be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present application.
The terms "connected," "secured," and "disposed" are to be construed broadly and encompass, for example, a fixed connection, a removable connection, or an integral connection unless expressly stated or limited otherwise; the two components may be mechanically connected, directly connected, indirectly connected through an intermediate medium, or connected together internally. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
An embodiment of the present invention provides a fast wiring device for a fuse, as shown in fig. 1 to 4, including: the wire harness locking structure comprises a wire harness base 1, a wire harness locking nut 2 and an insulating sheath 3 which are all tubular, wherein the insulating sheath 3 covers the outer surfaces of the wire harness base 1 and the wire harness locking nut 2;
the wiring harness base 1 comprises a first pipe section 4 and a first column section 5, one end of the first column section 5 is used for being fixedly connected with a connecting conductor at an upper outgoing line or a lower outgoing line of the fuse, and the other end of the first column section 5 is axially provided with a concentric inner hole and is coaxially and fixedly connected with one end of the first pipe section 4; a plurality of gaps 6 are uniformly formed in the circumference of the wiring harness base 1, and the gaps 6 extend from the other end of the first pipe section 4 to the first column section 5;
the inner diameter of the first pipe section 4 is the same as that of the first column section 5, the inner diameter of the first pipe section is matched with that of a drainage wire used in the wiring of the fuse, and the outer diameter of the first column section 5 is larger than that of the first pipe section 4;
the first column section 5 is provided with an external thread 8;
the inner wall of the wire harness locking nut 2 is matched with the outer wall of the wire harness base 1, wherein the inner diameter of the matching section of the outer wall of the first pipe section 4 is smaller than the outer diameter of the first pipe section 4, and the matching section of the outer wall of the first column section 5 is provided with an internal thread matched with the external thread 8 of the first column section 5.
The utility model provides a pair of fuse quick termination that this embodiment provides, through setting the internal diameter of 2 inner walls of pencil lock nut and the identical section of 4 outer walls of first pipeline sections to being less than 4 external diameters of first pipeline sections, and set up a plurality of breachs 6 on pencil base 1, make when fuse wiring operation, with the connecting conductor fixed connection of being qualified for the next round of competitions 9 or the 10 departments of being qualified for the next round of competitions down on pencil base 1 and the fuse, penetrate insulating sheath 3 with drainage wire 7, pencil lock nut 2 and pencil base 1, until with 5 butts of first column segment, then screw up pencil lock nut 2 and make first pipeline section 4 get into behind pencil lock nut 2 by the extrusion of 2 inner walls of pencil lock nut and produce radial contraction, and then be connected and compressed tightly fixedly drainage wire 7 and the inside connecting conductor of fuse, it can at last with insulating sheath 3 covers at pencil base 1 and 2 surfaces of pencil lock nut. This termination simple structure, convenient operation can reduce the fuse wiring degree of difficulty through using this termination, improves wiring efficiency, and when the wiring trouble that takes place to be qualified for the next round of competitions, can dismantle fast, change and restore, avoids changing the whole fuse.
In one embodiment, the notch 6 extends into the external thread 8 of the first column section 5 to extend the notch 6, such that when the harness lock nut 2 is fully tightened, the first tube section 4 will have a greater compressive shrinkage deformation relative to the shorter notch, thereby securing the drainage wire 7 more securely.
In a more specific embodiment, the outer wall circumferences of the first pipe section 4 and the first column section 5 are coaxially connected by an inclined shoulder 17, which is beneficial to enhance the strength of the joint.
In a more specific embodiment, the inner diameter of the anastomotic section of the inner wall of the harness lock nut 2 and the outer wall of the first tube section 4 is 1-2 mm smaller than the outer diameter of the first tube section 4, so that the first tube section 4 can be easily extruded to push the harness lock nut 2 in installation, and meanwhile, the phenomenon that the insulation layer on the outer surface of the drainage wire 7 is damaged due to overlarge radial shrinkage of the first tube section 4 can be avoided.
In a particular embodiment, the number of indentations 6 is four.
In one particular embodiment, the harness base 1 and harness lock nut 2 are copper, such as brass, which has good ductility to facilitate radial contraction of the first tube section 4 when compressed.
The second embodiment of the invention provides a closed fuse, as shown in fig. 5 to 6, a silicone block 11 and a conductor tube 12 are arranged at an upper outgoing line 9 and a lower outgoing line 10 of the fuse, the silicone block 11 is provided with an inner through hole 13, and the conductor tube 12 is connected with the silicone block 11 by penetrating through the inner through hole 13;
one end of a conductor tube 12 at an upper outgoing line 9 of the fuse is connected with an upper moving contact 14, and one end of the conductor tube 12 at a lower outgoing line 10 of the fuse is connected with a lower static contact 15;
the other ends of the conductor tubes 12 at the upper outgoing line 9 and the lower outgoing line 10 of the fuse are used for being connected with the wiring device in any embodiment.
According to the closed fuse provided by the embodiment of the invention, during wiring, any one of the wiring devices is directly connected at the upper outgoing line 9 and the lower outgoing line 10, so that wiring operation can be rapidly completed, and when an outgoing line and wiring fault occurs, the wiring device can be rapidly repaired only by disassembling and replacing parts or drainage lines of the wiring device, and the whole fuse does not need to be replaced.
In a more specific embodiment, the conductor tube 12 is copper.
In a more specific embodiment, the conductor tube 12 is connected to the wiring device of any of the above embodiments by welding.
In a more specific embodiment, the outline of the silica gel block 11 at the position of the upper outgoing line 9 of the fuse is conical, and the diameter of one end, facing the installation, of the wiring device is the same as the outer diameter of the first column section 5 of the wiring device, so that the transitional connection between the fuse body and the drainage wire 7 is smoother and more attractive, the insulating sheath 3 is convenient to use for insulating and coating the transitional connection, and the insulating property of the transitional connection is ensured.
It should be noted that, after the internal structure of other types of fuses is adapted, the wiring device according to any of the above embodiments provided by the present invention can also be applied, and a detailed description thereof is omitted.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a quick termination of fuse for the fuse is qualified for the next round of competitions the wiring from top to bottom, its characterized in that: the wire harness locking device comprises a wire harness base, a wire harness locking nut and an insulating sheath, wherein the wire harness base, the wire harness locking nut and the insulating sheath are all tubular;
the wire harness base comprises a first pipe section and a first column section, one end of the first column section is used for being fixedly connected with a connecting conductor at an upper wire outlet or a lower wire outlet of the fuse, and the other end of the first column section is axially provided with a concentric inner hole and is coaxially and fixedly connected with one end of the first pipe section; a plurality of gaps are uniformly formed in the circumference of the wiring harness base, and extend from the other end of the first pipe section to the first column section;
the inner diameter of the first pipe section is the same as that of the first column section and is matched with the diameter of a drainage wire used in the wiring of the fuse, and the outer diameter of the first column section is larger than that of the first pipe section;
the first column section is provided with an external thread;
the inner wall of the wire harness locking nut is matched with the outer wall of the wire harness base, wherein the inner diameter of a section matched with the outer wall of the first pipe section is smaller than the outer diameter of the first pipe section, and an inner thread matched with the outer thread of the first column section is arranged at a section matched with the outer wall of the first column section.
2. A fuse quick-connect terminal as claimed in claim 1, wherein: the notch extends into the external thread of the first column section.
3. A fuse quick-connect termination according to claim 2 wherein: the circumferences of the outer walls of the first pipe section and the first column section are coaxially connected through an inclined shaft shoulder.
4. A fuse quick-connect termination according to claim 3 wherein: the inner diameter of the inosculating section of the inner wall of the wire harness locking nut and the outer wall of the first pipe section is 1-2 mm smaller than the outer diameter of the first pipe section.
5. A fuse quick-connect termination according to claim 1 wherein: the number of the notches is four.
6. A fuse quick-connect terminal as claimed in claim 1, wherein: the wire harness base and the wire harness locking nut are made of copper.
7. A close-type fuse characterized in that: the upper outgoing line and the lower outgoing line of the fuse are both provided with a silica gel block and a conductor tube, the silica gel block is provided with an inner through hole, and the conductor tube is connected with the silica gel block by penetrating through the inner through hole;
one end of a conductor tube at the upper outgoing line of the fuse is connected with the upper moving contact, and one end of the conductor tube at the lower outgoing line of the fuse is connected with the lower static contact;
and the other ends of the conductor tubes at the upper outgoing line and the lower outgoing line of the fuse are used for being connected with the wiring device in any one of claims 1 to 6.
8. A close type fuse as defined in claim 7, wherein: the conductor tube is made of copper.
9. A close-type fuse as set forth in claim 8, wherein: the conductor tube is connected to the terminal device according to any one of claims 1 to 6 by welding.
10. A close type fuse as defined in claim 9, wherein: the outer contour of the silica gel block at the outgoing line position on the fuse is conical, and the diameter of one end, facing the wiring device, of the fuse is the same as the outer diameter of the first column section of the wiring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211391954.0A CN115662857A (en) | 2022-11-08 | 2022-11-08 | Quick termination of fuse and closed fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211391954.0A CN115662857A (en) | 2022-11-08 | 2022-11-08 | Quick termination of fuse and closed fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115662857A true CN115662857A (en) | 2023-01-31 |
Family
ID=85016087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211391954.0A Pending CN115662857A (en) | 2022-11-08 | 2022-11-08 | Quick termination of fuse and closed fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115662857A (en) |
-
2022
- 2022-11-08 CN CN202211391954.0A patent/CN115662857A/en active Pending
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