CN218730779U - Quick termination of fuse and closed fuse - Google Patents
Quick termination of fuse and closed fuse Download PDFInfo
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- CN218730779U CN218730779U CN202222967147.0U CN202222967147U CN218730779U CN 218730779 U CN218730779 U CN 218730779U CN 202222967147 U CN202222967147 U CN 202222967147U CN 218730779 U CN218730779 U CN 218730779U
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Abstract
The utility model provides a fuse quick wiring device 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 utility model discloses termination simple structure convenient operation can reduce the fuse wiring degree of difficulty, improves wiring efficiency, realizes quick replacement and restoration, need change the whole fuse when avoiding breaking down.
Description
Technical Field
The utility model relates to a fuse wiring technical field especially relates to a quick termination of fuse and 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 specification difference between the upper connecting cable and the lower connecting cable and the diameter of the drainage wire is large, the construction personnel are inconvenient to perform wiring installation operation on an electric pole on site, and the wiring process quality cannot be guaranteed, so that the fuse has high 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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a quick termination of fuse and closed fuse for solve current all insulation fuse wiring difficulty, the difficult prosthetic problem of wiring breaks down.
The utility model provides a fuse quick wiring device, which is used for the upper and lower outgoing line wiring of a fuse, and comprises a wiring harness base, a wiring harness locking nut and an insulating sheath which are all in a tubular shape, wherein the insulating sheath is coated on the outer surfaces of the wiring harness base and the wiring harness locking nut;
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 first column section outer wall circumference are coaxially connected by an inclined 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 utility model also provides a closed fuse, the upper outlet and the lower outlet of the fuse are both provided with a silica gel block and a conductor pipe, the silica gel block is provided with an inner through hole, and the conductor pipe 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;
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 utility model has the advantages of it is following:
the utility model provides a pair of quick termination of fuse, through general pencil lock nut inner wall with the internal diameter of the identical section of first tube section outer wall sets to be less than first tube section external diameter, and set up a plurality of breachs on the pencil base, make when fuse wiring operation, with the connecting conductor fixed connection of being qualified for the next round of competitions or being qualified for the next round of competitions department on pencil base and the fuse, penetrate insulating sheath, pencil lock nut and pencil base with the drainage wire, until and first column section butt, then screw up pencil lock nut and make first tube section get into behind the pencil lock nut by the extrusion of pencil lock nut inner wall and produce radial contraction, thereby be connected the connecting conductor of drainage wire and fuse inside and compressed tightly fixedly, last with insulating sheath cover at pencil base and lock pencil nut surface can. 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 needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without inventive exercise.
Fig. 1 is a perspective view of a wire harness locking nut of a fuse quick-connection device according to a first 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 a first embodiment of the present invention;
fig. 3 is a perspective view of a wiring harness base of a fuse quick connection device according to a first embodiment of the present invention;
fig. 4 is a cross-sectional view of a wiring harness base of a fuse quick-connection device according to a first embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a closed fuse and its connection with a quick connection device according to a second embodiment of the present invention;
fig. 6 is an appearance schematic view of the enclosed fuse according to the second embodiment of the present invention after being connected to the fast 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 embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to 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.
The embodiment of the utility model provides a quick termination of fuse, as shown in fig. 1 ~ 4, include: 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 taking place the wiring trouble of being 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 threads 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 experience a greater compressive contraction deformation relative to the shorter notch, thereby securing the vent 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 a specific embodiment, the harness base 1 and the 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 present invention provides a closed fuse, as shown in fig. 5 to 6, a silicone block 11 and a conductor tube 12 are disposed at the upper outgoing line 9 and the 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 to 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 movable contact 14, and one end of the conductor tube 12 at a lower outgoing line 10 of the fuse is connected with a lower fixed 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.
The embodiment of the utility model provides a pair of closed fuse, during the wiring, go out 9 at last and go out 10 above-mentioned arbitrary items of lug connection of department of being qualified for the next round of competitions under with termination can accomplish wiring operation fast, and when taking place to be qualified for the next round of competitions wiring trouble, only need dismantle, change termination part or drainage wire and can restore fast, need not to change the whole fuse.
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, other types of fuse inner structure also can be suitable for after the adaptability repacking the utility model provides a termination of any above-mentioned embodiment, a detailed description differs here.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a quick termination of fuse for the upper and lower wiring of being qualified for the next round of competitions of fuse, 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 termination according to 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 termination according to 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;
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 of any one of claims 1 to 6.
8. A close-type fuse as set forth in claim 7, wherein: the conductor tube is made of copper.
9. A close type fuse as defined in claim 8, wherein: the conductor tube is connected to the wiring device according to any one of claims 1 to 6 by welding.
10. A close-type fuse as set forth 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 |
|---|---|---|---|
| CN202222967147.0U CN218730779U (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 |
|---|---|---|---|
| CN202222967147.0U CN218730779U (en) | 2022-11-08 | 2022-11-08 | Quick termination of fuse and closed fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218730779U true CN218730779U (en) | 2023-03-24 |
Family
ID=85609822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222967147.0U Active CN218730779U (en) | 2022-11-08 | 2022-11-08 | Quick termination of fuse and closed fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218730779U (en) |
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2022
- 2022-11-08 CN CN202222967147.0U patent/CN218730779U/en active Active
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