CN208970474U - Fuse - Google Patents

Abstract

The utility model relates to fuse technologies fields, are related to fuse.Including melt pipe, insulator, crimp spring, wiring end cap, fixed ring, hasp and the lock tongue being adapted to hasp；Melt set is plugged in insulator, and melt set is connect by crimp spring with wiring end cap；Fixed ring setting is arranged in fixed ring in insulator outer wall, hasp, and lock tongue is arranged on wiring end cap.When in use, it will be in intact melt pipe insertion insulator, then staff by wiring end cap lock tongue and fixed ring on it is snap-fitted on, then pulling hasp can make wiring end cap link together with insulator, so that staff is not necessarily to compress crimp spring by manpower, staff is facilitated to replace melt pipe.

Description

Fuse

Technical field

The utility model relates to fuse technologies fields, in particular to fuse.

Background technique

The common cause that the fusing of 35KV voltage transformer high voltage fuse is summed up by long-term working experience, mainly has Several below: there is the ferromagnetic resonance for jeopardizing system safety operation, causes voltage transformer one, two in system running environment variation Secondary side fuse blows.Single-phase earthing occurs for primary system, generates arc grounding over-voltage.Secondary load is overweight, will lead to electricity Press mutual inductor fuse blows.Low frequency saturation current can cause first and second fuse blows of voltage transformer.Voltage transformer First and second winding insulation reduces, short trouble or resonance eliminator insulation decline can cause first and second side fuse blows.Voltage is mutual Sensor X end dielectric level and resonance eliminator mismatch lead to first and second side fuse blows.Operating method is improper, does not grasp by regulation Make etc..There is accidental and necessary factor in the common cause for causing 35KV voltage transformer high voltage fuse to fuse, by present Technology cannot thoroughly avoid High-voltage Fuse Blow phenomenon.Unique solution after there is High-voltage Fuse Blow is replacement 35KVPT protective tube.

But in order to ensure melt pipe is contacted with the good of wiring end cap, crimp spring is used in porcelain tube, due to the bullet The presence of spring makes the crimping screw long-time stress on wiring attachment cap, brings difficulty for the replacement of melt pipe.And it fuses Device is outdoor type high-tension fuse, and it is also the replacement of melt pipe that long-term wind and weather, which keeps the corrosion phenomena for crimping screw serious, Bring very big resistance.

It is asked therefore it provides a kind of fuse being convenient for changing becomes those skilled in the art's important technology to be solved Topic.

Utility model content

The purpose of this utility model is to provide a kind of fuses, return inconvenient technology with thanks in the prior art with alleviation and ask Topic.

The utility model embodiment provides a kind of fuse, including melt pipe, insulator, crimp spring, wiring end cap, solid Determine ring, hasp and the lock tongue being adapted to the hasp；

The melt set is plugged in the insulator, and the melt set is connected by the crimp spring and the wiring end cap It connects；

In the insulator outer wall, the hasp is arranged in the fixed ring for the fixed ring setting, the lock tongue setting On the wiring end cap.

The first possible embodiment provided by the embodiment of the utility model, wherein above-mentioned fixed ring and the insulator It is detachably connected.

Second of possible embodiment provided by the embodiment of the utility model, wherein the quantity of above-mentioned hasp with it is described The quantity of lock tongue is equal.

The third possible embodiment provided by the embodiment of the utility model, wherein multiple hasps are uniformly arranged In the fixed ring.

4th kind of possible embodiment provided by the embodiment of the utility model, wherein above-mentioned hasp and the fixed ring It is detachably connected.

5th kind of possible embodiment provided by the embodiment of the utility model, wherein be provided in above-mentioned fixed ring convex The portion of rising offers tapped through hole on the lug boss.

6th kind of possible embodiment provided by the embodiment of the utility model, wherein above-mentioned hasp bottom be provided with The clamping section of the lug boss adaptation.

7th kind of possible embodiment provided by the embodiment of the utility model, wherein above-mentioned hasp bottom is provided with logical Hole, the through-hole are connect by screw with the tapped through hole.

8th kind of possible embodiment provided by the embodiment of the utility model, wherein be provided with and be used on above-mentioned insulator The clamp flange of connection pillar insulator.

9th kind of possible embodiment provided by the embodiment of the utility model, wherein above-mentioned lock tongue and the terminals Cap is fixedly connected.

The utility model has the advantages that

The utility model embodiment provides a kind of fuse, including melt pipe, insulator, crimp spring, wiring end cap, solid Determine ring, hasp and the lock tongue being adapted to hasp；Melt set is plugged in insulator, and melt set is connected by crimp spring and wiring end cap It connects；Fixed ring setting is arranged in fixed ring in insulator outer wall, hasp, and lock tongue is arranged on wiring end cap.It when in use, will be complete In good melt pipe insertion insulator, then staff by wiring end cap lock tongue and fixed ring on it is snap-fitted on, then Pulling hasp can make wiring end cap link together with insulator, so that staff is not necessarily to compress crimp spring by manpower, Staff is facilitated to replace melt pipe.

Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating Specifically noted structure is achieved and obtained in book, claims and attached drawing.

To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and Cooperate appended attached drawing, is described in detail below.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of fuse provided by the embodiment of the utility model；

Fig. 2 is the schematic diagram of fixed ring in fuse provided by the embodiment of the utility model；

Fig. 3 is a kind of connection schematic diagram that fixed ring is connect with hasp in fuse provided by the embodiment of the utility model；

Fig. 4 is the schematic diagram of wiring end cap in fuse provided by the embodiment of the utility model.

Icon: 100- melt pipe；200- insulator；300- crimp spring；400- wiring end cap；500- fixed ring； 510- lug boss；600- hasp；The clamping section 610-；700- lock tongue；800- clamp flange；900- support insulator.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.

With reference to shown in Fig. 1-Fig. 4:

The utility model embodiment provides a kind of fuse, including melt pipe 100, insulator 200, crimp spring 300, connects Line end cap 400, fixed ring 500, hasp 600 and the lock tongue 700 being adapted to hasp 600；Melt set is plugged in insulator 200, is melted Body set is connect by crimp spring 300 with wiring end cap 400；The setting of fixed ring 500 exists in 200 outer wall of insulator, the setting of hasp 600 In fixed ring 500, lock tongue 700 is arranged on wiring end cap 400.

The utility model embodiment provides a kind of fuse, including melt pipe 100, insulator 200, crimp spring 300, connects Line end cap 400, fixed ring 500, hasp 600 and the lock tongue 700 being adapted to hasp 600；Melt set is plugged in insulator 200, is melted Body set is connect by crimp spring 300 with wiring end cap 400；The setting of fixed ring 500 exists in 200 outer wall of insulator, the setting of hasp 600 In fixed ring 500, lock tongue 700 is arranged on wiring end cap 400.When in use, intact melt pipe 100 is inserted into insulator 200 Interior, then the lock tongue 700 on wiring end cap 400 is matched with hasp 600 in fixed ring 500 and is closed by staff, then pulls and takes Button 600 can make wiring end cap 400 link together with insulator 200, so that staff is not necessarily to by manpower compression crimping bullet Spring 300 facilitates staff to replace melt pipe 100.

Specifically, melt pipe 100 is arranged inside insulator 200, and 200 both ends of insulator are provided with wiring end cap 400, connect Line end cap 400 is connect by crimp spring 300 with melt pipe 100.

Wherein, 300 one end of crimp spring is against wiring end cap 400, and the other end is against melt pipe 100, completes wiring end cap 400 with the connection of melt pipe 100, and can guarantee the connectivity of wiring end cap 400 Yu insulator 200.

Wherein, hasp 600 is provided on insulator 200, lock tongue 700 is provided on wiring end cap 400, by hasp 600 with The connection of insulator 200 and wiring end cap 400 is completed in the connection of lock tongue 700, and makes staff complete to connect by hasp 600 Connect work.

In the optinal plan of the present embodiment, fixed ring 500 is detachably connected with insulator 200.

Specifically, fixed ring 500 is detachably connected with insulator 200, it, can be to fixed ring 500 when fixed ring 500 is damaged It is replaced.

In the optinal plan of the present embodiment, the quantity of hasp 600 is equal with the quantity of lock tongue 700.

In the optinal plan of the present embodiment, multiple hasps 600 are uniformly arranged in fixed ring 500.

Specifically, hasp 600 and lock tongue 700 correspond.

Also, multiple hasps 600 are uniformly arranged in fixed ring 500, to guarantee 400 uniform force of wiring end cap.

In the optinal plan of the present embodiment, hasp 600 is detachably connected with fixed ring 500.

In the optinal plan of the present embodiment, it is provided with lug boss 510 in fixed ring 500, offers screw thread on lug boss 510 Through-hole.

In the optinal plan of the present embodiment, 600 bottom of hasp is provided with the clamping section 610 being adapted to lug boss 510.

In the optinal plan of the present embodiment, 600 bottom of hasp is provided with through-hole, and through-hole is connected by screw and tapped through hole It connects.

Specifically, hasp 600 is detachably connected with fixed ring 500, it, can be to damage when the damage of one of hasp 600 Bad hasp 600 is replaced.

Wherein, it is provided with lug boss 510 radially in fixed ring 500, is provided with tapped through hole on lug boss 510. Wherein, hasp 600 can be connect by the clamping section 610 of its bottom with lug boss 510, alternatively, hasp 600 can pass through its bottom The through-hole in portion is connect with tapped through hole.

In the optinal plan of the present embodiment, the clamp flange for connection pillar insulator 900 is provided on insulator 200 800。

In the optinal plan of the present embodiment, lock tongue 700 is fixedly connected with wiring end cap 400.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combination and combination.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (10)

1. a kind of fuse characterized by comprising melt pipe, insulator, crimp spring, wiring end cap, fixed ring, hasp and The lock tongue being adapted to the hasp；

The melt set is plugged in the insulator, and the melt set is connect by the crimp spring with the wiring end cap；

The fixed ring setting is in the insulator outer wall, and the hasp is arranged in the fixed ring, and the lock tongue is arranged in institute It states on wiring end cap.

2. fuse according to claim 1, which is characterized in that the fixed ring is detachably connected with the insulator.

3. fuse according to claim 1, which is characterized in that the quantity phase of the quantity of the hasp and the lock tongue Deng.

4. fuse according to claim 1, which is characterized in that multiple hasps are uniformly arranged on the fixed ring On.

5. fuse according to claim 4, which is characterized in that the hasp is detachably connected with the fixed ring.

6. fuse according to claim 5, which is characterized in that be provided with lug boss, the protrusion in the fixed ring Tapped through hole is offered in portion.

7. fuse according to claim 6, which is characterized in that the hasp bottom is provided with to be adapted to the lug boss Clamping section.

8. fuse according to claim 6, which is characterized in that the hasp bottom is provided with through-hole, and the through-hole is logical Screw is crossed to connect with the tapped through hole.

9. fuse according to claim 1, which is characterized in that be provided on the insulator for connection pillar insulator Clamp flange.

10. -9 described in any item fuses according to claim 1, which is characterized in that the lock tongue and the wiring end cap are solid Fixed connection.