CN105006411A - Fuse mounting structure - Google Patents
Fuse mounting structure Download PDFInfo
- Publication number
- CN105006411A CN105006411A CN201510515609.7A CN201510515609A CN105006411A CN 105006411 A CN105006411 A CN 105006411A CN 201510515609 A CN201510515609 A CN 201510515609A CN 105006411 A CN105006411 A CN 105006411A
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- China
- Prior art keywords
- fuse
- kink
- terminal
- fixed
- supporting bracket
- 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.)
- Granted
Links
- 239000012634 fragment Substances 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 238000005452 bending Methods 0.000 description 8
- 241000826860 Trapezium Species 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000004276 hyalin Anatomy 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000012857 repacking Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
- H01H85/2015—Bases for supporting the fuse; Separate parts thereof for plug-in type fuses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
- H01H85/2045—Mounting means or insulating parts of the base, e.g. covers, casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
- H01H85/205—Electric connections to contacts on the base
Landscapes
- Fuses (AREA)
Abstract
The present invention relates to a fuse mounting structure comprising a fuse assembly, a fuse base and a wire harness terminal. The wire harness terminal is fixed to the fuse base. When the fuse assembly is inserted into the fuse base, the wiring harness terminal is inserted into the fuse assembly. According to the technical scheme of the invention, through the spacing structure design of a left pin part and a right pin part, a short circuit failure is avoided and the protection is improved, through the four cavity structures with vertical and horizontal baffle plates in a base shell, after a fuse is installed, the internal space is separated, even water and other liquids enter the base, the safety can be ensured, the possibility of short circuit is little, the fuse base and an electrical box are overall separated structures, the cost of a single base is low, and the fuse mounting structure has the advantages of convenience in use, small occupation space and flexible fixation mode.
Description
Technical field
The invention belongs to auto electric technical field, refer to a kind of fuse attachment structure especially.
Background technology
Automobile fuse plays a part to protect vehicle circuitry, is the indispensable part of automotive wire bundle, plays vital effect to automotive safety.The most general fuse attachment structure is, fuse is firmly directly inserted in electrical appliance kit, is connected with the copper tip in fuse box.Automobile power current fuse, most important to car load electrical safety.
Under automobile fuse installment state, fixing reliability, stability are most important.Only have fixing reliable, the normal work of guarantee automobile circuit.Once occur that insurance loosens, the situation of loose contact, gently then detonator circuit fault, heavy then cause automobile fire.
The entirety of traditional insurance silk is square structure; be planar structure at the upper surface of fuse; fuse is arranged on enclosure interior; completely not spaced apart in the middle of the terminal of left and right; the interval of left and right terminal is generally only equal to fuse housing its thickness, and the fuse between the terminal of left and right lacks available protecting, the situation that left and right terminal can contact by mistake; as the foreign matters such as copper cash enter, be easily short-circuited.This structure fuse rocks also larger.Fail safe, stability, reliability are relatively low.
Fuse upper surface is planar design, and the inner visual field of viewing fuse is poor, the easy ponding of plane or foreign matter.The clamping reliability of fuse and copper tip is poor, and clamping is not firm.
The fuse of existing technology is installed in electrical appliance kit, and after fuse inserts, as the foreign matters such as copper wire enter in electrical appliance kit, Wiring harness terminal is easily short-circuited in this plane.
Repacking vehicle is the repacking in conventional truck, general without installing additional with fuse box specially, shortage fuse seat class formation, and when needing to install fuse additional, difficulty is large, and cost is high; And it is low that reliability fixed by fuse.
Summary of the invention
The object of this invention is to provide a kind of fuse attachment structure technical scheme, the problem that existing fuse is easily short-circuited can not only be overcome by the technical program, and can overcome because existing vehicle does not install the fuse box of fuse specially additional, install that fuse difficulty is large, cost is high additional and the low problem of reliability fixed by fuse.
The present invention is achieved by the following technical solutions:
A kind of fuse attachment structure, includes fuse assembly, fuse seat and Wiring harness terminal; Described Wiring harness terminal is fixed on described fuse seat; When described fuse assembly inserts described fuse seat, described Wiring harness terminal inserts described fuse assembly;
Described fuse assembly includes fuse housing and fuse; Described fuse is connected in described fuse housing;
Described fuse seat includes base housing, be arranged at Access Division outside described base housing and fixed part.
Described fuse housing includes enclosure body, cap, left stitch portion and right stitch portion; Described cap is connected with the upper end clamping of described enclosure body;
The described one end in left stitch portion and the bottom surface of described enclosure body connect as one structure; Endoporus and the described enclosure body in described left stitch portion are through;
The described one end in right stitch portion and the bottom surface of described enclosure body connect as one structure; Endoporus and the described enclosure body in described right stitch portion are through;
Described fuse includes left fuse support portion, right fuse support portion and fuse part; Described fuse part connects described left fuse support portion and right fuse support portion respectively;
Described left fuse support portion is arranged in described left stitch portion; Described right fuse support portion is arranged in described right stitch portion.
The size of described left fuse support portion and described right fuse support portion, shape and structure are all identical;
Described left fuse support portion includes supporting bracket; Described fuse part is fixedly connected with described supporting bracket;
The limit, left side of described supporting bracket is provided with the first kink and the second kink that bend to equidirectional; The right edge of described supporting bracket is provided with the 3rd kink and the 4th kink that bend to equidirectional; Described first kink and described 3rd kink are oppositely arranged; Described second kink and described 4th kink are oppositely arranged;
Jack under described first kink, described 3rd kink and described supporting bracket composition terminal; Jack on described second kink, described 4th kink and described supporting bracket composition terminal.
Described supporting bracket under described terminal in jack is at least provided with the boss structure of two longitudinal directions; Described first kink and described 3rd kink opposite side are provided with the first flange to described supporting bracket direction; Described 3rd kink and described first kink opposite side are provided with the 3rd flange to described supporting bracket direction;
Described second kink and described 4th kink opposite side are provided with the second flange away from described supporting bracket direction; Described 4th kink and described second kink opposite side are provided with the 4th flange away from described supporting bracket direction;
Described first flange is less than the thickness of the described Wiring harness terminal of insertion with the described plane at the 3rd place, flange top and the distance on described boss structure top.
The sidewall in described left stitch portion is provided with radial boss; Described left fuse support portion is provided with the hole clipping with described radial convex platform snap-fit engagement.
Orthogonal vertical clapboard and diaphragm plate is provided with in described base housing; Described base housing is divided into four individual cavities by described vertical clapboard and described diaphragm plate;
Described diaphragm plate is provided with the first terminal punched out and the second stomidium punched out; Described the first terminal punched out and described second terminal punched out lay respectively at the both sides of described vertical clapboard;
The first shell fragment is provided with in described first cavity; The second shell fragment is provided with in described second cavity;
Described fixed part includes fixed leg and is fixed on the multiple stop parts on described fixed leg; One end of described fixed leg is vertically fixed on described base housing; Described stop part is conical tube, and described conical tube is along described fixed leg axially-aligned; The part that in described conical tube, diameter is large is close to described base housing;
Described Access Division includes is fixed on the fixed head on described base housing and the elastic card contact pin with described fixed head integrative-structure; The outer surface of described elastic card contact pin is provided with clamping boss;
Described Wiring harness terminal includes the first Wiring harness terminal and the second Wiring harness terminal; Described first Wiring harness terminal is through described the first terminal punched out; Described second Wiring harness terminal is through described second terminal punched out.
One end of described first shell fragment is fixed on described vertical clapboard; One end of described second shell fragment is fixed on described vertical clapboard; Described first shell fragment and described second shell fragment are symmetrical arranged with described vertical clapboard.
Described base housing arranged outside has draw-in groove; Described fixed part includes base plate; One end of described fixed leg is vertically fixed on described base plate; Described base plate is connected in described draw-in groove.
The side of described Access Division is had also to be provided with positive stop lug boss in described base housing arranged outside; Described positive stop lug boss is longitudinally arranged along described base housing.
The invention has the beneficial effects as follows:
1, the technical scheme of the application is designed by the spacer structure in left stitch portion and right stitch portion, avoid short trouble protectiveness and improve, and by the structural design to fuse support portion, fuse inside is not easily rocked, the stomidium fixing-stable of insertion; The raised structures of cap and transparent material, field of view is large, not easily ponding or accumulation foreign matter etc.
2, the application by being provided with four cavity structures of vertical clapboard and diaphragm plate in base housing; First Wiring harness terminal inserts the 3rd cavity from the first cavity, and the second Wiring harness terminal inserts the 4th cavity from the second cavity, and in fuse is installed, inner space is separated from one another, even if there are the liquid such as water to enter base, also can ensure safety, not easily be short-circuited.
3, fuse seat and electrical appliance kit entirety are isolating construction, and single base cost is low, easy to use, and take up room little, fixed form is flexible.Meanwhile, can carry out adaptation again, connect in aggregates by multiple fuse seat, composition fuse seat association, reduces development cost.
Accompanying drawing explanation
Fig. 1 is fuse attachment structure schematic diagram of the present invention;
Fig. 2 is fuse structure schematic diagram of the present invention;
Fig. 3 is inventive shell body construction schematic diagram;
Fig. 4 is fuse structure schematic diagram of the present invention;
Fig. 5 is that fuse and enclosure body assemble schematic diagram;
Fig. 6 is that Wiring harness terminal inserts fuse structure schematic diagram;
Fig. 7 is enclosure body other direction structural representation;
Fig. 8 is fuse vertical view;
Fig. 9 is Fig. 8 A-A cutaway view;
Figure 10 is fuse seat structural representation of the present invention;
Figure 11 is fuse seat vertical view of the present invention;
Figure 12 is base shell structure schematic diagram;
Figure 13 is fixing part structure schematic diagram;
Figure 14 is another embodiment schematic diagram of fixed part;
Figure 15 is the base shell structure schematic diagram of band fixed part;
Figure 16 is fuse seat other direction structural representation.
Description of reference numerals
001 fuse assembly, 002 fuse seat, 003 Wiring harness terminal, 011 enclosure body, 012 cap, 013 interface arrangment, 014 left stitch portion, 015 right stitch portion, 016 left fuse support portion, 017 right fuse support portion, 018 fuse part, 019 radial boss, 161 supporting brackets, 162 first kinks, 163 second kinks, 164 the 3rd kinks, 165 the 4th kinks, 166 boss structures, 021 base housing, 022 fixed part, 023 Access Division, 211 vertical clapboards, 212 diaphragm plates, 213 the first terminal punched out, 214 second terminal punched out, 215 first shell fragments, 216 second shell fragments, 217 draw-in grooves, 218 positive stop lug boss, 031 first Wiring harness terminal, 032 second Wiring harness terminal, 221 fixed legs, 222 stop parts, 223 base plates, 231 fixed heads, 232 elastic card contact pin, 233 clamping boss, 234 pressing down sections.
Embodiment
Describe technical scheme of the present invention in detail by the following examples, following embodiment is only exemplary, only can be used for explaining and technical scheme of the present invention being described, and can not be interpreted as being the restriction to technical solution of the present invention.
Embodiment 1
The invention provides a kind of fuse attachment structure, as shown in Figure 1, include fuse assembly 001, fuse seat 002 and Wiring harness terminal 003; Described Wiring harness terminal 003 is fixed on described fuse seat 002; When described fuse assembly 001 inserts described fuse seat 002, described Wiring harness terminal 003 inserts described fuse assembly 001.
As Fig. 2 to Figure 11, and shown in Figure 13 and Figure 16, fuse assembly 001 includes fuse housing and fuse; In described fuse clamping and described fuse housing.
Described fuse housing includes enclosure body 011, cap 012, left stitch portion 014 and right stitch portion 015; The upper end of described enclosure body is both sides tilting structures, and the upper end namely simultaneously connecting two sides in left stitch portion and right stitch portion is the low tilting structure in middle high both sides, and shell cover structure matches with the structure of enclosure body upper end simultaneously; Described cap is connected with the upper end clamping of described enclosure body.
Described enclosure body 011 is provided with interface arrangment 013; Described cap is provided with the draw-in groove coordinated with described interface arrangment.In this application, interface arrangment is right-angled trapezium boss structure.
Described cap is the low raised structures in middle high both sides; In this application, cap is hyaline test structure, is convenient to the landing of foreign matter (oil, water), is not easily deposited in fuse transparent shell upper surface.Relative to the design of traditional insurance silk planar configuration, there is the larger viewing visual field, when fuse silk fuses, more can observe, solve traditional insurance silk not easily observation problem (particularly during the fusing of fuse both sides, easily observing).
The described one end in left stitch portion and the bottom surface of described enclosure body connect as one structure; Endoporus and the described enclosure body in described left stitch portion are through.
The described one end in right stitch portion and the bottom surface of described enclosure body connect as one structure; Endoporus and the described enclosure body in described right stitch portion are through.
In this application, enclosure body, left stitch portion and right stitch portion are injection moulding integrated molding, overall in similar portal structures; Namely left stitch portion and right stitch portion adopt spaced design, under any circumstance, can effectively prevent contacing by mistake of fuse internal fuse left and right stitch.
Described fuse includes left fuse support portion 016, right fuse support portion 017 and fuse part 018; Described fuse part 018 connects described left fuse support portion 016 and right fuse support portion 017 respectively.
Described left fuse support portion 016 is arranged in described left stitch portion 014; Described right fuse support portion 017 is arranged in described right stitch portion 015; Fuse part 018 is in enclosure body 011.
The size of described left fuse support portion and described right fuse support portion, shape and structure are all identical.In this application, only left fuse support portion is described, and right fuse support portion is not described.
Described left fuse support portion 016 includes supporting bracket 161; Described fuse part is fixedly connected with the upper end of described supporting bracket;
The limit, left side of described supporting bracket 161 is provided with the first kink 162 and the second kink 163 to equidirectional bending; First kink 162 is not connected with the second kink 163; Wherein the second bending part is between fuse part and the first kink.
The right edge of described supporting bracket 161 is provided with the 3rd kink 164 and the 4th kink 165 that bend to equidirectional; 3rd kink 164 is not connected with the 4th kink 165; Wherein the 4th bending part is between fuse part and the 3rd kink.
Described first kink 162 is oppositely arranged with described 3rd kink 164; Described second kink 163 is oppositely arranged with described 4th kink 165; Jack under described first kink, described 3rd kink and described supporting bracket composition terminal; Jack on described second kink, described 4th kink and described supporting bracket composition terminal.
Described supporting bracket 161 under described terminal in jack is at least provided with the boss structure 166 of two longitudinal directions; Described boss structure is right-angled trapezium boss structure.When extending to upper end from the lower end of lower jack, the height of boss structure increases gradually.
The boss structure of two longitudinal directions be arranged in parallel.Described first kink and described 3rd kink opposite side are provided with the first flange to described supporting bracket direction; Described 3rd kink and described first kink opposite side are provided with the 3rd flange to described supporting bracket direction; First flange and the 3rd flange are close to and arrange.
Described second kink and described 4th kink opposite side are provided with the second flange away from described supporting bracket direction; Described 4th kink and described second kink opposite side are provided with the 4th flange away from described supporting bracket direction; Second flange and the 4th flange are close to and arrange.
Described first flange is less than the thickness of the Wiring harness terminal of insertion with the described plane at the 3rd place, flange top and the distance on described boss structure top.This structure is firm after ensureing Wiring harness terminal grafting, cooperation is reliable.
The left stitch portion sidewall corresponding with described second flange and described 4th flange is provided with two grooves; Described second flange and described 4th flange one_to_one corresponding snap in two described grooves; After installation, compress with enclosure body and contact, keep stability.
The sidewall in described left stitch portion 014 is provided with radial boss 019; Described left fuse support portion is arranged at the hole clipping with described radial convex platform snap-fit engagement; This structure effectively keeps the stability of fuse inside, prevents from rocking.
The fuse support portion of bending design forming, overall structure is flexible, and when Wiring harness terminal inserts, slight outward expansion occurs, i.e. elastic deformation, under this reaction force acts, clamping Wiring harness terminal is more firm.
As shown in Figure 10, fuse seat 002 includes base housing 021, is arranged at Access Division 023 outside described base housing and fixed part 022; Described Access Division and described fixed part are relatively arranged on outside described base housing.
In the present embodiment, base housing is that plastics are injection molded, and the endoporus of the base housing of the present embodiment is square, and to coordinate the installation of fuse, profile is square, is convenient to same electrical appliance kit and assembles; In other embodiment of the application, the profile of base housing also can be cylindrical other shape such as grade.
Orthogonal vertical clapboard 211 and diaphragm plate 212 is provided with in described base housing 021; Described base housing is divided into four individual cavities by described vertical clapboard and described diaphragm plate; Be respectively the first cavity, the second cavity, the 3rd cavity and the 4th cavity; In this application, vertical clapboard and diaphragm plate are injection moulding integrated molding with base housing.
Described diaphragm plate 212 is provided with the first terminal punched out 213 and the second terminal punched out 214; Described the first terminal punched out and described second terminal punched out lay respectively at the both sides of described vertical clapboard; Wherein the first cavity and the second cavity are positioned at the bottom of base housing, the first Wiring harness terminal 031 in Wiring harness terminal inserts the 3rd cavity from the first cavity, second Wiring harness terminal 032 inserts the 4th cavity from the second cavity, and in fuse is installed, inner space is separated from one another.
The first shell fragment 215 is provided with in described first cavity; The second shell fragment 216 is provided with in described second cavity; One end of described first shell fragment 215 is fixed on described vertical clapboard 211; One end of described second shell fragment 216 is fixed on described vertical clapboard 211; Described first shell fragment and described second shell fragment are symmetrical arranged with described vertical clapboard.First shell fragment is used for the clamping to the first Wiring harness terminal 031, and the second shell fragment is used for the clamping to the second Wiring harness terminal 032.
Described fixed part 022 includes fixed leg 221 and is fixed on the multiple stop parts 222 on described fixed leg; One end of described fixed leg 221 is vertically fixed on described base housing 021; Described stop part is conical tube, and described conical tube is along described fixed leg axially-aligned; The part that in described conical tube, diameter is large is close to described base housing.
When this fixed part is inserted wire harness fixing hole, stop part draws in fixed leg direction under force, after passing through wire harness fixing hole, stop part resiles, now, the part that in the conical tube of stop part, diameter is large is greater than the diameter of wire harness passing-hole, plays the effect preventing fixed part from deviating from from wire harness fixing hole.This kind of fixing part structure is applicable to multiple panel beating thickness, is applicable to multiple pore size.
Described Access Division 023 includes is fixed on the fixed head 231 on described base housing and the elastic card contact pin 232 with described fixed head integrative-structure; Described fixed head and described elastic card contact pin are approximate U shape; The outer surface of described elastic card contact pin is provided with clamping boss 233; Described clamping boss is right-angled trapezium boss structure.This clamping boss coordinates with square hole, only need be designed with counterparty's pore structure, can realize inserting electrical appliance kit shells internal fixtion.The outer surface end in described flexible clamping portion is provided with pressing down section 234; The top of described pressing down section is provided with anti-slip veins.Realize being separated with other body (as electrical appliance kit shells) by pressing down section.
The side of described Access Division is had also to be provided with positive stop lug boss 218 in described base housing arranged outside; Described positive stop lug boss is longitudinally arranged along described base housing.Effect is: when being fixed by Access Division, and electrical appliance kit shells is designed with sunk structure, coordinates this positive stop lug boss, and can effectively carry out spacing to fuse seat, like this, fuse seat not easily rocks.
Embodiment 2
The invention provides a kind of fuse attachment structure, as shown in Figure 1, include fuse assembly 001, fuse seat 002 and Wiring harness terminal 003; Described Wiring harness terminal is fixed on described fuse seat; When described fuse assembly inserts described fuse seat, described Wiring harness terminal inserts described fuse assembly.
As Fig. 2 to Figure 12, and shown in Figure 14 to Figure 16, fuse assembly includes fuse housing and fuse; In described fuse clamping and described fuse housing.
Described fuse housing includes enclosure body 011, cap 012, left stitch portion 014 and right stitch portion 015; The upper end of described enclosure body is both sides tilting structures, and the upper end namely simultaneously connecting two sides in left stitch portion and right stitch portion is the low tilting structure in middle high both sides, and shell cover structure matches with the structure of enclosure body upper end simultaneously; Described cap is connected with the upper end clamping of described enclosure body.
Described enclosure body is provided with interface arrangment 013; Described cap is provided with the draw-in groove coordinated with described interface arrangment.In this application, interface arrangment is right-angled trapezium boss structure.
Described cap is the low raised structures in middle high both sides; In this application, cap is hyaline test structure, is convenient to the landing of foreign matter (oil, water), is not easily deposited in fuse transparent shell upper surface.Relative to the design of traditional insurance silk planar configuration, there is the larger viewing visual field, when fuse silk fuses, more can observe, solve traditional insurance silk not easily observation problem (particularly during the fusing of fuse both sides, easily observing).
The described one end in left stitch portion and the bottom surface of described enclosure body connect as one structure; Endoporus and the described enclosure body in described left stitch portion are through.
The described one end in right stitch portion and the bottom surface of described enclosure body connect as one structure; Endoporus and the described enclosure body in described right stitch portion are through.
In this application, enclosure body, left stitch portion and right stitch portion are injection moulding integrated molding, overall in similar portal structures; Namely left stitch portion and right stitch portion adopt spaced design, under any circumstance, can effectively prevent contacing by mistake of fuse internal fuse left and right stitch.
Described fuse includes left fuse support portion 016, right fuse support portion 017 and fuse part 018; Described fuse part connects described left fuse support portion and right fuse support portion respectively.
Described left fuse support portion is arranged in described left stitch portion; Described right fuse support portion is arranged in described right stitch portion; Fuse part is in enclosure body.
The size of described left fuse support portion and described right fuse support portion, shape and structure are all identical.In this application, only left fuse support portion is described, and right fuse support portion is not described.
Described left fuse support portion includes supporting bracket 161; Described fuse part is fixedly connected with the upper end of described supporting bracket;
The limit, left side of described supporting bracket is provided with the first kink 162 and the second kink 163 to equidirectional bending; First kink is not connected with the second kink; Wherein the second bending part is between fuse part and the first kink.
The right edge of described supporting bracket is provided with the 3rd kink 164 and the 4th kink 165 that bend to equidirectional; 3rd kink is not connected with the 4th kink; Wherein the 4th bending part is between fuse part and the 3rd kink.
Described first kink and described 3rd kink are oppositely arranged; Described second kink and described 4th kink are oppositely arranged; Jack under described first kink, described 3rd kink and described supporting bracket composition terminal; Jack on described second kink, described 4th kink and described supporting bracket composition terminal.
Described supporting bracket under described terminal in jack is at least provided with the boss structure 166 of two longitudinal directions; Described boss structure is right-angled trapezium boss structure.When extending to upper end from the lower end of lower jack, the height of boss structure increases gradually.
The boss structure of two longitudinal directions be arranged in parallel.Described first kink and described 3rd kink opposite side are provided with the first flange to described supporting bracket direction; Described 3rd kink and described first kink opposite side are provided with the 3rd flange to described supporting bracket direction; First flange and the 3rd flange are close to and arrange.
Described second kink and described 4th kink opposite side are provided with the second flange away from described supporting bracket direction; Described 4th kink and described second kink opposite side are provided with the 4th flange away from described supporting bracket direction; Second flange and the 4th flange are close to and arrange.
Described first flange is less than the thickness of the Wiring harness terminal of insertion with the described plane at the 3rd place, flange top and the distance on described boss structure top.This structure is firm after ensureing Wiring harness terminal grafting, cooperation is reliable.
The left stitch portion sidewall corresponding with described second flange and described 4th flange is provided with two grooves; Described second flange and described 4th flange one_to_one corresponding snap in two described grooves; After installation, compress with enclosure body and contact, keep stability.
The sidewall in described left stitch portion is provided with radial boss 019; Described left fuse support portion is provided with the hole clipping with described radial convex platform snap-fit engagement; This structure effectively keeps the stability of fuse inside, prevents from rocking.
The fuse support portion of bending design forming, overall structure is flexible, and when Wiring harness terminal inserts, slight outward expansion occurs, i.e. elastic deformation, under this reaction force acts, clamping Wiring harness terminal is more firm.
As figure fuse seat include base housing 021, be arranged at as described in Access Division 023 outside base housing and fixed part 022; Described Access Division and described fixed part are relatively arranged on outside described base housing.
In the present embodiment, base housing is that plastics are injection molded, and the endoporus of the base housing of the present embodiment is square, and to coordinate the installation of fuse, profile is square, is convenient to same electrical appliance kit and assembles; In other embodiment of the application, the profile of base housing also can be cylindrical other shape such as grade.Draw-in groove is had in the arranged outside of base housing.
Orthogonal vertical clapboard 211 and diaphragm plate 212 is provided with in described base housing; Described base housing is divided into four individual cavities by described vertical clapboard and described diaphragm plate; Be respectively the first cavity, the second cavity, the 3rd cavity and the 4th cavity; In this application, vertical clapboard and diaphragm plate are injection moulding integrated molding with base housing.
Described diaphragm plate is provided with the first terminal punched out 213 and the second stomidium punched out 214; Described the first terminal punched out and described second terminal punched out lay respectively at the both sides of described vertical clapboard; Wherein the first cavity and the second cavity are positioned at the bottom of base housing, in Wiring harness terminal, the first Wiring harness terminal 031 inserts the 3rd cavity from the first cavity, second Wiring harness terminal 032 inserts the 4th cavity from the second cavity, and in fuse is installed, inner space is separated from one another.
The first shell fragment 215 is provided with in described first cavity; The second shell fragment 216 is provided with in described second cavity; One end of described first shell fragment is fixed on described vertical clapboard; One end of described second shell fragment is fixed on described vertical clapboard; Described first shell fragment and described second shell fragment are symmetrical arranged with described vertical clapboard.First shell fragment is used for the clamping to the first Wiring harness terminal, and the second shell fragment is used for the clamping to the second Wiring harness terminal.
Multiple stop parts 222 that described fixed part 022 includes base plate 223, fixed leg 221 and is fixed on described fixed leg; One end of described fixed leg is vertically fixed on described base plate; Described base plate is connected in described draw-in groove.Described stop part is conical tube, and described conical tube is along described fixed leg axially-aligned; The part that in described conical tube, diameter is large is close to described base housing.
When this fixed part is inserted wire harness fixing hole, stop part draws in fixed leg direction under force, after passing through wire harness fixing hole, stop part resiles, now, the part that in the conical tube of stop part, diameter is large is greater than the diameter of wire harness passing-hole, plays the effect preventing fixed part from deviating from from wire harness fixing hole.This kind of fixing part structure is applicable to multiple panel beating thickness, is applicable to multiple pore size.
Described Access Division 023 includes is fixed on the fixed head 231 on described base housing and the elastic card contact pin 232 with described fixed head integrative-structure; Described fixed head and described elastic card contact pin are approximate U shape; The outer surface in described flexible clamping portion is provided with clamping boss 233; Described clamping boss is right-angled trapezium boss structure.This clamping boss coordinates with square hole, only need be designed with counterparty's pore structure, can realize inserting electrical appliance kit shells internal fixtion.The outer surface end in described flexible clamping portion is provided with pressing down section 234; The top of described pressing down section is provided with anti-slip veins.Realize being separated with other body (as electrical appliance kit shells) by pressing down section.
The side of described Access Division is had also to be provided with positive stop lug boss in described base housing arranged outside; Described positive stop lug boss is longitudinally arranged along described base housing.Effect is: when being fixed by Access Division, and electrical appliance kit shells is designed with sunk structure, coordinates this positive stop lug boss, and can effectively carry out spacing to fuse seat, like this, fuse seat not easily rocks.
Although described the technical scheme of the application, those skilled in the art, under the enlightenment of the technical scheme of the application, can carry out improving, replace or being out of shape, and such improvement, replacement or distortion all should in the protection ranges of the application.
Claims (10)
1. a fuse attachment structure, is characterized in that: include fuse assembly, fuse seat and Wiring harness terminal; Described Wiring harness terminal is fixed on described fuse seat; When described fuse assembly inserts described fuse seat, described Wiring harness terminal inserts described fuse assembly;
Described fuse assembly includes fuse housing and fuse; In described fuse clamping and described fuse housing;
Described fuse seat includes base housing, be arranged at Access Division outside described base housing and fixed part.
2. fuse attachment structure according to claim 1, is characterized in that: described fuse housing includes enclosure body, cap, left stitch portion and right stitch portion; Described cap is connected with the upper end clamping of described enclosure body;
The described one end in left stitch portion and the bottom surface of described enclosure body connect as one structure; Endoporus and the described enclosure body in described left stitch portion are through;
The described one end in right stitch portion and the bottom surface of described enclosure body connect as one structure; Endoporus and the described enclosure body in described right stitch portion are through;
Described fuse includes left fuse support portion, right fuse support portion and fuse part; Described fuse part connects described left fuse support portion and right fuse support portion respectively;
Described left fuse support portion is arranged in described left stitch portion; Described right fuse support portion is arranged in described right stitch portion.
3. fuse attachment structure according to claim 2, is characterized in that: the size of described left fuse support portion and described right fuse support portion, shape and structure are all identical;
Described left fuse support portion includes supporting bracket; Described fuse part is fixedly connected with described supporting bracket;
The limit, left side of described supporting bracket is provided with the first kink and the second kink that bend to equidirectional; The right edge of described supporting bracket is provided with the 3rd kink and the 4th kink that bend to equidirectional; Described first kink and described 3rd kink are oppositely arranged; Described second kink and described 4th kink are oppositely arranged;
Jack under described first kink, described 3rd kink and described supporting bracket composition terminal; Jack on described second kink, described 4th kink and described supporting bracket composition terminal.
4. fuse attachment structure according to claim 3, is characterized in that: the boss structure described supporting bracket under described terminal in jack being at least provided with two longitudinal directions; Described first kink and described 3rd kink opposite side are provided with the first flange to described supporting bracket direction; Described 3rd kink and described first kink opposite side are provided with the 3rd flange to described supporting bracket direction;
Described second kink and described 4th kink opposite side are provided with the second flange away from described supporting bracket direction; Described 4th kink and described second kink opposite side are provided with the 4th flange away from described supporting bracket direction;
Described first flange is less than the thickness of the described Wiring harness terminal of insertion with the described plane at the 3rd place, flange top and the distance on described boss structure top.
5. fuse attachment structure according to claim 2, is characterized in that: on the sidewall in described left stitch portion, be provided with radial boss; Described left fuse support portion is provided with the hole clipping with described radial convex platform snap-fit engagement.
6. fuse attachment structure according to claim 1, is characterized in that: be provided with orthogonal vertical clapboard and diaphragm plate in described base housing; Described base housing is divided into four individual cavities by described vertical clapboard and described diaphragm plate;
Described diaphragm plate is provided with the first terminal punched out and the second stomidium punched out; Described the first terminal punched out and described second terminal punched out lay respectively at the both sides of described vertical clapboard;
The first shell fragment is provided with in described first cavity; The second shell fragment is provided with in described second cavity;
Described fixed part includes fixed leg and is fixed on the multiple stop parts on described fixed leg; One end of described fixed leg is vertically fixed on described base housing; Described stop part is conical tube, and described conical tube is along described fixed leg axially-aligned; The part that in described conical tube, diameter is large is close to described base housing;
Described Access Division includes is fixed on the fixed head on described base housing and the elastic card contact pin with described fixed head integrative-structure; The outer surface of described elastic card contact pin is provided with clamping boss.
7. fuse attachment structure according to claim 6, is characterized in that: described Wiring harness terminal includes the first Wiring harness terminal and the second Wiring harness terminal; Described first Wiring harness terminal is through described the first terminal punched out; Described second Wiring harness terminal is through described second terminal punched out.
8. fuse attachment structure according to claim 6, is characterized in that: one end of described first shell fragment is fixed on described vertical clapboard; One end of described second shell fragment is fixed on described vertical clapboard; Described first shell fragment and described second shell fragment are symmetrical arranged with described vertical clapboard.
9. fuse attachment structure according to claim 6, is characterized in that: described base housing arranged outside has draw-in groove; Described fixed part includes base plate; One end of described fixed leg is vertically fixed on described base plate; Described base plate is connected in described draw-in groove.
10. fuse attachment structure according to claim 6, is characterized in that: have the side of described Access Division to be also provided with positive stop lug boss in described base housing arranged outside; Described positive stop lug boss is longitudinally arranged along described base housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510515609.7A CN105006411B (en) | 2015-08-19 | 2015-08-19 | A kind of fuse attachment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510515609.7A CN105006411B (en) | 2015-08-19 | 2015-08-19 | A kind of fuse attachment structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105006411A true CN105006411A (en) | 2015-10-28 |
| CN105006411B CN105006411B (en) | 2017-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510515609.7A Expired - Fee Related CN105006411B (en) | 2015-08-19 | 2015-08-19 | A kind of fuse attachment structure |
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| Country | Link |
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| CN (1) | CN105006411B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611584A (en) * | 2021-08-05 | 2021-11-05 | 安徽江淮汽车集团股份有限公司 | Fuse device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5816858A (en) * | 1996-04-15 | 1998-10-06 | Yazaki Corporation | Fuse holder with cover |
| CN1311517A (en) * | 2000-03-03 | 2001-09-05 | 太平洋精工株式会社 | Fuse and fuse holder |
| CN101359795A (en) * | 2007-07-31 | 2009-02-04 | 矢崎总业株式会社 | Power-circuit breaking device |
| CN201611640U (en) * | 2009-08-17 | 2010-10-20 | 宁波正耀汽车电器有限公司 | Box-type fuse |
-
2015
- 2015-08-19 CN CN201510515609.7A patent/CN105006411B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5816858A (en) * | 1996-04-15 | 1998-10-06 | Yazaki Corporation | Fuse holder with cover |
| CN1311517A (en) * | 2000-03-03 | 2001-09-05 | 太平洋精工株式会社 | Fuse and fuse holder |
| CN101359795A (en) * | 2007-07-31 | 2009-02-04 | 矢崎总业株式会社 | Power-circuit breaking device |
| CN201611640U (en) * | 2009-08-17 | 2010-10-20 | 宁波正耀汽车电器有限公司 | Box-type fuse |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611584A (en) * | 2021-08-05 | 2021-11-05 | 安徽江淮汽车集团股份有限公司 | Fuse device |
| CN113611584B (en) * | 2021-08-05 | 2023-01-31 | 安徽江淮汽车集团股份有限公司 | Fuse device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105006411B (en) | 2017-07-28 |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: ANHUI JIANGHUAI AUTOMOBILE GROUP Corp.,Ltd. Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: ANHUI JIANGHUAI AUTOMOBILE Co.,Ltd. |
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