CN201639036U - Overload protection plug with eccentric terminal structure - Google Patents
Overload protection plug with eccentric terminal structure Download PDFInfo
- Publication number
- CN201639036U CN201639036U CN201020112977XU CN201020112977U CN201639036U CN 201639036 U CN201639036 U CN 201639036U CN 201020112977X U CN201020112977X U CN 201020112977XU CN 201020112977 U CN201020112977 U CN 201020112977U CN 201639036 U CN201639036 U CN 201639036U
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- Prior art keywords
- terminal
- overload protection
- conductive
- fastening part
- protection plug
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Abstract
The utility model provides an overload protection plug with an eccentric terminal structure, comprising an inner mold base; the inner mold base is a hollow base body with an opening on the top end thereof; an accommodation space is formed in the center of the hollow base body for accommodating a first terminal, a second terminal, an isolation plate, a spring and a conductive joint plate; wherein, the second terminal clamping part of the second terminal and the conductive clamping part of the conductive joint plate are basically U-shaped and eccentric outwards and respectively, therefore the shortest distance between the second terminal clamping part and the conductive clamping part is increased, and the mold pressing and clamping operation of a cutter mold set is facilitated; when the over current occurs, the conductive joint plate is heated to have flexure and deflect from the isolation plate, the conductive joint plate is supported by the spring to have outward displacement and generate outage, so as to realize the safety outage effect.
Description
Technical field
The utility model is about a kind of safety plug, more detailed it, refer to a kind of overload protection plug especially with centering type terminal structure; by the design of terminal structure, can promote the operation quality of pressing the folder bare wire, in addition; the function of overload protection that the utility model has is used and is improved its practicality.
Background technology
Press, in daily life, the product the most closely bound up with people's life almost all needs to use, from general family electric equipment products commonly used, as TV, refrigerator, grill pan, cold air ... Deng household electrical appliance, to the industrial electrical equipment product of industrial high load capacity commonly used, yet, though these electric equipment products bring people many conveniences in life,, therefore can cause the accident of disaster unavoidably because of some improper uses also because of the universalness of its use.
In view of this; the safety plug of commonly using; preceding case as Chinese T W patent application case number No. 89220510 " overload protection plug " novel patent; please refer to shown in Fig. 1 and Fig. 2 drawing; should preceding case mainly comprise: die holder 1 in; one the first terminal 2; one second terminal 3; one blocks sheet 4; one conductive tabs 5; an and spring; wherein; this the first terminal 2 contacts by the through hole that this blocks sheet 4 with the conductive junction point of this conductive tabs 5; when overload takes place in plug; this conductive tabs 5 can surpass predetermined temperature, makes this conductive tabs 5 produce deflection, at this moment; the conductive junction point of this conductive tabs 5 can break away from the conductive junction point of this first terminal 2 and produces outage; make this block that elasticity that sheet 4 is subjected to this spring is shored and to outer displacement, blocking the contact of this two conductive junction point, and reach the safeguard protection of plug overload.
Should before the clamp portion 6,7 of this second terminal 2 of case and this conductive tabs 5 be welded in its top for an electric wire, so have the welding position in the operation procedure unavoidably and produce error, also or weld unsteady situation.
For the creation of case before making can be brought into play bigger effectiveness, the utility model people in the research and development experience for many years in this field, actively develops the terminal structure with improvement effect by itself, and case provided and more improves desirable overload protection plug before Ji Nengwei was somebody's turn to do.
Summary of the invention
The purpose of this utility model is, a kind of overload protection plug of tool centering type terminal structure is provided, and overcoming the defective that located by prior art exists, and then increases fail safe and the convenience that the user uses electric equipment products.
For achieving the above object, the overload protection plug of a kind of tool centering type of the utility model terminal structure is characterized in that:
Die holder in one, be the hollow base frame of top one opening, make its central authorities form an accommodation space, die holder the place ahead is longitudinally set with the parallel upper and lower slot in two roads in this, in the upper and lower compartment of inboard each the vertical extent opposing L type of two slots, form a displacement chamber between two compartments to make;
One the first terminal, Yu Yiduan is provided with a first terminal pin portion, and be provided with a first terminal fastening part in the relative other end, wherein this first terminal pin portion is exposed is placed through on this outside slot, in the compartment, this first terminal fastening part medial surface convexes with a conductive junction point to the then vertical build-in of this first terminal fastening part on this;
One second terminal, Yu Yiduan is provided with one second terminal pins portion, and be provided with one second terminal fastening part in the relative other end, wherein this second terminal pins portion is exposed is placed through outside this time slot, the then vertical build-in of this second terminal fastening part is in this lower compartment, and it is one eccentric laterally and roughly be the second terminal clamp portion of U type that this second terminal fastening part side is provided with;
One blocks sheet with what the insulation material was made, is embedded between this displacement chamber and this accommodation space, and this surface of blocking sheet offers a through hole;
One conductive tabs made from double-level-metal, this conductive tabs is provided with a conductive junction point in a side, be provided with being placed in this through hole, and contact with this conductive junction point of this first terminal, this conductive tabs is extended in the bending of relative opposite side and is provided with a kink, and it is one eccentric laterally and roughly be the conduction clamp portion of U type that this kink side is provided with;
One shores this with normality blocks the spring of sheet to outer displacement, and it is indoor to be located at this displacement;
One loam cake is arranged on this interior die holder.
Wherein, this second terminal clamp portion extends in this second terminal fastening part side towards this second terminal pins portion direction and opening is formed towards the below setting.
Wherein, die holder is provided with one in an end and wears ccontaining L type stopper slot for this kink in this.
Wherein, this conduction clamp portion extends in this kink side towards the outside and opening is formed towards the below setting.
Wherein, this blocks sheet and is provided with a press section in an end, and die holder is provided with one in the other end of this stopper slot relatively and wears ccontaining storage tank for this press section in this.
Wherein, this Surface Vertical that blocks sheet convexes with a pushing and pressing part, and this pushing and pressing part is provided with one for sheathed this spring, with the pilot pin that prevents that this spring from coming off.
The utility model is by the design of this second terminal clamp portion and this outside eccentric shape of conduction clamp portion, can increase beeline between the two, when making the clamp operation, the side thickness of die that carries a die cavity of this two clamps portion can thicken, by this, can increase the intensity of this die wall structure, make it not to be vulnerable to the long-term pressing mold of a cutting die and produce the situation of damage, and then can make this die cavity be suppressed this two clamps portion more accurately.
The utility model is when using the electric current overload, the generation deflection of can being heated of this conductive tabs is blocked sheet to deviate from this, and this conductive tabs is shored by spring and produced outage to outer displacement, reaching the effect of safety outage, and then increase the fail safe that the user uses electric equipment products.
The utility model order when the user desires to reuse, only need be pushed this press section after treating its outage a period of time, makes this two conductive junction point contact conducting once more, therefore uses and goes up suitable tool convenience.
For ease of explanation this case represented central idea in above-mentioned author content one hurdle, express with specific embodiment now.Various different objects system is described in the ratio that is suitable for illustrating, size, deflection or displacement among the embodiment, but not is drawn in the ratio of actual components, close chat earlier bright.And in the following description, similar elements is to represent with identical numbering.
Description of drawings
Fig. 1 is a stereo appearance figure of commonly using the overload protection plug.
Fig. 2 is an embodiment schematic diagram of commonly using the overload protection plug.
Fig. 3 is a three-dimensional exploded view of the present utility model.
Fig. 4 is a three-dimensional combination figure of the present utility model.
Fig. 5 is an end view of the present utility model.
Fig. 6 is a user mode schematic diagram of the present utility model.
Fig. 7 is the clamp operation schematic diagram of the utility model clamp portion.
Fig. 8 is the three-dimensional combination figure of the another kind of embodiment of the utility model.
Fig. 9 is the user mode schematic diagram of the another kind of embodiment of the utility model.
Figure 10 is the utility model three-dimensional combination figure of two kinds of embodiment in addition.
Embodiment
To shown in Figure 5, the utility model is a kind of overload protection plug of tool centering type terminal structure as Fig. 3, comprises that mainly die holder 10, a first terminal 20, one second terminal 30, block sheet 40, a conductive tabs 50, one springs 45 in one, and a loam cake 60.
Should interior die holder 10 be made by the insulation material, it has the hollow base frame of an opening for the top, must make its central authorities form an accommodation space 11, this accommodation space 11 can supply this first terminal 20, this second terminal 30, this blocks sheet 40, and this conductive tabs 50 is ccontaining; Should in die holder 10 the place aheads be longitudinally set with parallel last slot in two roads 12 and slot 13 once, in the upper and lower compartment 14,15 of two slots, 12,13 inboard each vertical extent opposing L type, form a displacement chamber 16 between two compartments 14,15 to make, die holder 10 lies in an end and is provided with a L type stopper slot 17 in being somebody's turn to do, and the other end that this interior die holder 10 lies in relative this stopper slot 17 is provided with a storage tank 18.
This first terminal 20 is made by conductive material, it is provided with a first terminal pin portion 21 in an end, and be provided with a first terminal fastening part 22 in the relative other end, wherein this first terminal pin portion 21 is exposed is placed through on this outside slot 12, in the compartment 14, these the first terminal fastening part 22 medial surfaces convex with a conductive junction point 221 to the then vertical build-in of this first terminal fastening part 22 on this.
This second terminal 30 is made by conductive material, it is provided with one second terminal pins portion 31 in an end, and be provided with one second terminal fastening part 32 in the relative other end, wherein this second terminal pins portion 31 exposes and is placed through outside this time slot 13, these second terminal fastening part, 32 then vertical build-ins are in this lower compartment 15, these second terminal fastening part, 32 sides towards this second terminal pins portion 31 directions extend be provided with one eccentric laterally and roughly be U type and the downward opening second terminal clamp portion 33, for connecting electric wire.
This blocks sheet 40 and makes with the insulation material, be provided with being embedded between this displacement chamber 16 and this accommodation space 11, this surface of blocking sheet 40 offers a through hole 41, and this blocks sheet 40 and is provided with a press section 42 in an end, and this press section 42 wears and is placed in this storage tank 18; This Surface Vertical that blocks sheet 40 convexes with a pushing and pressing part 43, and this pushing and pressing part 43 is provided with a pilot pin 44, and this pilot pin 44 comes off to prevent spring for wearing this spring 45.
This conductive tabs 50 is made with double-level-metal, this conductive tabs 50 is provided with a conductive junction point 51 in a side, can be provided with being placed in this through hole 41, and contact with this conductive junction point 221 of this first terminal 20, this conductive tabs 50 is provided with a kink 52 in relative opposite side bending extension, and this kink 52 wears and is placed in this stopper slot 17; These kink 52 sides extend towards the outside be provided with one eccentric laterally and generally be a U type and a downward opening conduction clamp portion 53, for connecting electric wire, so that should conduction clamp portion 53 mutual to being listed in the side of this second terminal clamp portion 33.
This spring 45 is sheathed on this pilot pin 44, to be placed in this displacement chamber 16, to shore this with normality and blocks sheet 40 to outer displacement.
This loam cake 60 is arranged on this interior die holder 10, so that an insulation cladding is poured into this loam cake 60 and is somebody's turn to do interior die holder 10 outsides, to form generally common plug pedestal (figure does not show), at this moment, this loam cake 60 can block the plastic cement material and enter in this accommodation space 11.
Behind the bright Liao said structure, below do one at action specification of the present utility model and principle and describe in detail:
Shown in Fig. 6 drawing, when the utility model by electric current and when overload situations takes place, this conductive tabs 50 can surpass predetermined temperature, at this moment, and by the temperature difference extension of different metal, can make this conductive tabs 50 produce deflection, block sheet 40 and deviate from this, therefore, the conductive junction point 51 of this conductive tabs 50 can break away from this through hole 41, and separate with this conductive junction point 221 of this first terminal 20, promptly produce outage; At this moment, this blocks sheet 40 under the situation of the fixing that is not subjected to this conductive junction point 51 on this conductive tabs 50, and this blocks that sheet 40 can be subjected to shoring of this spring 45 and to outer displacement; By this, can block sheet 40 to isolate this two conductive junction points, 51,221 contacts, to reach the effect of safety outage by this of this insulation.
After treating its outage a period of time, when making the temperature cooling of this conductive tabs 50, this conductive tabs 50 can return back to the origin-location, at this moment, the user only need push this this press section 42 of blocking sheet 40, push inwardly this is blocked sheet 40, make this through hole 41 fixed by this conductive junction point 51 of this conductive tabs 50, can recover original user mode.
Shown in Fig. 7 drawing, press the pressing mold operation schematic diagram of the bare wire of folder one electric wire with a cutting die group 90 for this second terminal clamp portion 33 and this conduction clamp portion 53; This second terminal clamp portion 33 and this conduction clamp portion 53 are placed in the top of a die cavity 91 respectively, carry out the pressing mold action for this cutting die group 90, at this moment, because of this second terminal clamp portion 33 is lateral deviation heart shape outwardly respectively with this conduction clamp portion 53, by the design of this second terminal clamp portion 33 of the present utility model with this conduction clamp portion 53, really can increase the distance (shown in the L of Fig. 7) of this second terminal clamp portion 33 and this conduction clamp portion 53, the die wall of this die cavity 91 can be thickened, by this, can increase the intensity of this die wall structure, make it not to be vulnerable to these cutting die group 90 long-term pressing molds and produce the situation of damage, and then can make this die cavity 91 be suppressed this second clamp portion 33 and this conduction clamp portion 53 more accurately.
Another kind of embodiment of the present utility model, shown in Fig. 8 and Fig. 9 face, be the another kind of pattern of this first terminal pin portion 81 with these second terminal pins portion, 71 end shapes, this the first terminal pin portion 81 is slightly different with these second terminal pins portion, 71 end shapes and size, uses for the socket that is applicable to custom design and uses.
Two kinds of embodiment in addition of the present utility model shown in Figure 10 drawing, for the another kind of pattern of this second terminal clamp portion 73 with these conduction clamp portion 83 shapes, use for the cutting die that cooperates different types and carry out pressing mold.
Though the utility model is to explain with several most preferred embodiments, is skillful in this skill person and can does various multi-form changes not breaking away under the utility model spirit and the category.Above illustrated embodiment is only in order to explanation the utility model, and is non-in order to limit scope of the present utility model.Such as do not disobey various modifications or the variation that the utility model spirit is engaged in, all belong to the utility model claim.
Claims (6)
1. the overload protection plug of a tool centering type terminal structure is characterized in that:
Die holder in one, be the hollow base frame of top one opening, make its central authorities form an accommodation space, die holder the place ahead is longitudinally set with the parallel upper and lower slot in two roads in this, in the upper and lower compartment of inboard each the vertical extent opposing L type of two slots, form a displacement chamber between two compartments to make;
One the first terminal, Yu Yiduan is provided with a first terminal pin portion, and be provided with a first terminal fastening part in the relative other end, wherein this first terminal pin portion is exposed is placed through on this outside slot, in the compartment, this first terminal fastening part medial surface convexes with a conductive junction point to the then vertical build-in of this first terminal fastening part on this;
One second terminal, Yu Yiduan is provided with one second terminal pins portion, and be provided with one second terminal fastening part in the relative other end, wherein this second terminal pins portion is exposed is placed through outside this time slot, the then vertical build-in of this second terminal fastening part is in this lower compartment, and it is one eccentric laterally and roughly be the second terminal clamp portion of U type that this second terminal fastening part side is provided with;
One blocks sheet with what the insulation material was made, is embedded between this displacement chamber and this accommodation space, and this surface of blocking sheet offers a through hole;
One conductive tabs made from double-level-metal, this conductive tabs is provided with a conductive junction point in a side, be provided with being placed in this through hole, and contact with this conductive junction point of this first terminal, this conductive tabs is extended in the bending of relative opposite side and is provided with a kink, and it is one eccentric laterally and roughly be the conduction clamp portion of U type that this kink side is provided with;
One shores this with normality blocks the spring of sheet to outer displacement, and it is indoor to be located at this displacement;
One loam cake is arranged on this interior die holder.
2. have the overload protection plug of centering type terminal structure according to claim 1, it is characterized in that, this second terminal clamp portion extends in this second terminal fastening part side towards this second terminal pins portion direction and opening is provided with towards the below and forms.
3. have the overload protection plug of centering type terminal structure according to claim 1, it is characterized in that, die holder is provided with one in an end and wears ccontaining L type stopper slot for this kink in this.
4. have the overload protection plug of centering type terminal structure according to claim 1, it is characterized in that, this conduction clamp portion extends in this kink side towards the outside and opening is provided with towards the below and forms.
5. as the overload protection plug of tool centering type terminal structure as described in the claim 3, it is characterized in that this blocks sheet and is provided with a press section in an end, die holder is provided with one in the other end of this stopper slot relatively and wears ccontaining storage tank for this press section in this.
6. have the overload protection plug of centering type terminal structure according to claim 1, it is characterized in that this Surface Vertical that blocks sheet convexes with a pushing and pressing part, this pushing and pressing part is provided with one for sheathed this spring, with the pilot pin that prevents that this spring from coming off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020112977XU CN201639036U (en) | 2010-02-12 | 2010-02-12 | Overload protection plug with eccentric terminal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020112977XU CN201639036U (en) | 2010-02-12 | 2010-02-12 | Overload protection plug with eccentric terminal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201639036U true CN201639036U (en) | 2010-11-17 |
Family
ID=43083542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020112977XU Expired - Fee Related CN201639036U (en) | 2010-02-12 | 2010-02-12 | Overload protection plug with eccentric terminal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201639036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932451A (en) * | 2015-09-23 | 2016-09-07 | 桂绍才 | Interactive safety plugging set |
-
2010
- 2010-02-12 CN CN201020112977XU patent/CN201639036U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932451A (en) * | 2015-09-23 | 2016-09-07 | 桂绍才 | Interactive safety plugging set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20150212 |
|
| EXPY | Termination of patent right or utility model |