CN210575772U - Overload protector - Google Patents
Overload protector Download PDFInfo
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- CN210575772U CN210575772U CN201921414698.6U CN201921414698U CN210575772U CN 210575772 U CN210575772 U CN 210575772U CN 201921414698 U CN201921414698 U CN 201921414698U CN 210575772 U CN210575772 U CN 210575772U
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- overload protector
- reset
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Abstract
The utility model is suitable for a circuit protection technical field provides an overload protector, be in including inside main part, the setting that is provided with the die cavity first pin and second pin, setting in the main part are in two gold shell fragments in the die cavity, the isolator that resets, the first elastomer that resets of setting in the die cavity, two gold shell fragment other ends with the mutual butt of second pin, the isolator that resets is used for keeping apart including setting up having in the die cavity two gold shell fragments with the spacing block of second pin, overload protector still includes slidable suggestion piece, suggestion piece both ends are provided with driving piece and driving force transform structure. The embodiment of the utility model provides a through driving piece, the first elastomer that resets and the motion of driving force transform structure drive suggestion piece, realize different prompt facility, the utility model discloses an overload protection ware does not have the electric current when opening circuit and passes through, has avoided leading to overload protection ware to have the potential safety hazard that the electric current passes through when opening circuit because of switching on for the warning light.
Description
Technical Field
The utility model belongs to the technical field of circuit protection, especially, relate to an overload protection ware.
Background
With the development of economy and the progress of society, more and more electric equipment enters into people's daily life now, also corresponding messenger supply socket becomes indispensable family or office supplies, and when using supply socket, because the electric equipment of connecting is more, probably arouses the softening of supply socket line, takes place overload short circuit phenomenon, causes the damage of electric equipment, consequently, the supply socket of taking overload protection ware also more and more popularizes.
However, the existing reset push rod overload protector only has the function of breaking a circuit during overload, so that a user does not know whether the overload protector is normally disconnected or the electric appliance is broken when the electric appliance is suddenly powered off, and troubles are caused to the user.
For solving above-mentioned technical problem, overload protection device has increased prompt facility, specifically be an indicator lamp of installation, two gold shell fragments are participated in fixed connection with the first, set up mutually independent conductive part in the both sides of push rod that resets, the mutually independent conductive part in both sides of push rod that resets is connected respectively to two pins of indicator lamp, when overload protection device circuit break protection, the baffle of push rod that resets separates two gold shell fragments and participates in with the second, the mutually independent conductive part in both sides of push rod that resets is participated in with two gold shell fragments and second respectively and is participated in the electricity and be connected, thereby send pilot lamp light after making the indicator lamp circuit switch on. However, in the above overload protector, the first pin and the second pin are still electrically connected through the indicator light during the open circuit protection, which is not a real open circuit, and thus there is a potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model provides an overload protector aims at solving the problem that there is the potential safety hazard in current overload protector who has prompt facility.
The utility model discloses a realize like this, an overload protector, be in including inside main part, the setting that is provided with the die cavity first pin and second pin, setting in the main part are in one end in the die cavity with two gold shell fragments of first pin fixed electricity connection, the isolator that resets, setting are in being used for making in the die cavity reset the isolator at the first elastomer that resets that first direction resets, two gold shell fragments other end with the mutual butt of second pin, the isolator that resets is including setting up be used for keeping apart having in the die cavity two gold shell fragments with the spacing block of second pin, overload protector still includes slidable suggestion piece, suggestion piece is kept away from it is provided with the messenger to reset isolator one end suggestion piece at the driving piece of second direction motion, the suggestion piece is close to reset isolator one end and is provided with and is in first elastomer that resets first direction's elasticity converts to the third opposite with the second direction The driving force conversion structure of the driving force of the direction, the outside of the prompting piece is provided with a display hole, and different prompting information is presented in the display hole under the action of the driving piece, the first reset elastic body and the driving force conversion structure.
Furthermore, the driving part is of second reset elasticity, the driving force conversion structure comprises a first inclined surface arranged at the end part of the prompting part and a second inclined surface arranged on the reset isolating body and matched with the first inclined surface, and when the reset isolating body moves in the first direction, the second inclined surface is pressed against the first inclined surface, so that the prompting part moves in the third direction.
Still further, the reset isolator includes:
one end of the short key is arranged outside the main body; and
the connecting part is used for connecting the isolating sheet and the short keys;
the second inclined surface is provided on the connecting portion.
Still further, the reset isolator includes:
one end of the long key is connected with the isolating sheet, and the other end of the long key is exposed out of the main body;
the long key is provided with a groove, and the second inclined plane is arranged in the groove.
Further, the prompting piece comprises a first prompting part and a second prompting part which are independent from each other.
Still further, the prompting piece comprises a first prompting part and a second prompting part which are integrally formed.
Still further, the prompting member is disposed in the cavity, and the display hole is disposed on the main body.
Still further, the prompting piece is arranged outside or inside the main body, and the display hole is arranged on an external device of the overload protector.
Further, the main body includes an upper cover and a lower cover which are fastened to each other.
Furthermore, a slide way for the prompting piece to slide is arranged in the main body.
The embodiment of the utility model provides a through setting up suggestion piece, driving piece and driving force transform structure, under driving piece, the elastomer that resets and driving force transform structure effect, make present different prompt information in the display hole to make overload protection ware under the state of difference, present the prompt part that is not current in the display hole, the suggestion user, the user of being convenient for knows overload protection ware's working condition, the embodiment of the utility model discloses through driving piece, the motion of the elastomer that resets and driving force transform structure drive suggestion piece, realize different prompt facility, the overload protection ware of embodiment has no electric current to pass through when opening circuit, has avoided leading to overload protection ware to have the potential safety hazard that the electric current passes through when opening circuit because of switching on for the warning light.
Drawings
Fig. 1 is a schematic plan view of an overload protector according to the present invention;
fig. 2 is a schematic diagram of an explosion structure of the overload protector provided by the present invention;
fig. 3 is a schematic cross-sectional view of an embodiment of the overload protector in a normal state;
fig. 4 is a schematic cross-sectional view of an overload protector according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of another embodiment of the overload protector according to the present invention in a normal state;
fig. 6 is a schematic cross-sectional view of another embodiment of the overload protector according to the present invention in an overload protection situation;
fig. 7 is a schematic cross-sectional view of a normal overload protector according to still another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the utility model provides a through setting up suggestion piece, driving piece and driving force transform structure, under driving piece, the elastomer that resets and driving force transform structure effect, make present different prompt information in the display hole to make overload protection ware under the state of difference, present the prompt part that is not current in the display hole, the suggestion user, the user of being convenient for knows overload protection ware's working condition, the embodiment of the utility model discloses through driving piece, the motion of the elastomer that resets and driving force transform structure drive suggestion piece, realize different prompt facility, the overload protection ware of embodiment has no electric current to pass through when opening circuit, has avoided leading to overload protection ware to have the potential safety hazard that the electric current passes through when opening circuit because of switching on for the warning light.
Example one
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides an overload protector, which includes a main body 1 having a cavity therein, a first pin 2 and a second pin 3 disposed on the main body 1, a double-metal spring plate 4 disposed in the cavity and having one end fixedly connected to the first pin 2, a reset isolator 5, a first reset elastic body 6 disposed in the cavity and used for resetting the reset isolator 5 in a first direction, the other end of the double-metal spring plate 4 abutting against the second pin 3, the reset isolator 5 including a spacer 51 disposed in the cavity and used for isolating the double-metal spring plate 4 from the second pin 3, the overload protector further including a slidable indication member 7, one end of the indication member 7 away from the reset isolator 5 being provided with a driving member 8 for moving the indication member 7 in a second direction, the prompting piece 7 is provided with a driving force conversion structure which is close to one end of the reset isolating body 5 and converts the elastic force of the first reset elastic body 6 in the first direction into driving force in a third direction opposite to the second direction, a display hole 9 is formed in the outer portion of the prompting piece 7, and different prompting information is presented in the display hole 9 under the action of the driving piece 8, the first reset elastic body 6 and the driving force conversion structure. The prompt message is normal closing message and overload opening message. For example, the prompting member 7 includes a first prompting portion 71 of a first color and a second prompting portion 72 of a second color, the first prompting portion 71 of the first color presents that the prompting information presented in the display hole 9 is in a normal closed state, and the second prompting portion 72 of the second color presents that the prompting information presented in the display hole 9 is in an overload open state; the first prompting part 71 and the second prompting part 72 can be marked and distinguished by characters or patterns, for example, the first prompting part 71 is provided with a normal character, and the second prompting part 72 is provided with an overload character and the like; or the prompt information displayed in the display hole by the prompt piece 7 is in a normal closed state, and the prompt information not displayed in the display hole by the prompt piece 7 is in an overload open state.
The first direction may be the same as the second direction and the third direction, or the first direction may form an angle with the second direction and the third direction, for example, the first direction forms an angle of 80 degrees with the second direction, the first direction forms an angle of 100 degrees with the third direction, and so on. The first pin 2 and the double-gold elastic sheet 4 can be integrally formed, and can also be fixedly connected in a screwing mode, a welding mode or a wire winding mode and the like, so that the first pin 2 is electrically connected with the double-gold elastic sheet 4, and one end, far away from the first pin 2, of the double-gold elastic sheet 4 can be separated from or contacted with the second pin 3 along with the temperature rise and fall when the current passes through the double-gold elastic sheet 4 to form a tilting end. Under the normal conducting state, the double-gold elastic sheet 4 is abutted with the second pin 3 and is communicated to form a current loop; when the current is overloaded through the double-gold elastic sheet 4, the temperature of the double-gold elastic sheet 4 rises, at the moment, the tilting end of the double-gold elastic sheet 4 tilts upwards and deforms to be separated from the second pin 3, a current loop is disconnected, and therefore the electric equipment is protected, and the isolating sheet 51 enters a gap between the double-gold elastic sheet 4 and the second pin 3 under the action of the first reset elastic body 6 to further separate the double-gold elastic sheet 4 from the second pin 3; and after the double-gold elastic sheet 4 is tilted for a period of time, the temperature can be reduced along with the tilting, at the moment, the reset isolating body 5 is pressed, the isolating sheet 51 is separated from the gap between the double-gold elastic sheet 4 and the second pin 3, the double-gold elastic sheet 4 can automatically reset and is abutted with the second pin 3, a current loop is formed by communication, and the continuous usability and the convenience of the overload protector are ensured. In order to make the double-gold elastic sheet 4 and the second pin 3 better contact, contacts which can be contacted with each other are respectively arranged on the tilting end of the double-gold elastic sheet 4 and the second pin 3.
When the overload is not generated, the prompting piece 7 moves towards the second direction under the action of the driving piece 8, the first prompting part 71 of the prompting piece is displayed in the display hole 9, the first color is usually green or other colors to indicate that the power utilization of the electric equipment is normal, when the overload is generated, under the combined action of the first reset elastic body 6 and the driving force conversion structure, the prompting piece 7 moves towards the third direction to indicate that the second prompting part 72 of the prompting piece is displayed in the display hole 9, and the second color is usually red or other colors different from the first color to indicate that the current is overloaded and the power utilization of the electric equipment is abnormal.
The driving member 8 has a second restoring elasticity, the driving force conversion structure includes a first inclined surface 73 disposed at an end of the prompting member 7, and a second inclined surface 52 disposed on the restoring isolating body 5 and adapted to the first inclined surface 73, and when the restoring isolating body 5 moves in the first direction, the second inclined surface 52 presses against the first inclined surface 73, so that the prompting member 7 moves in the third direction. The end of the prompting piece 7 provided with the second reset elasticity is provided with a spring positioning column 74, and the second reset elasticity is a compression spring and is sleeved on the spring positioning column 74.
When the overload is not generated, the second reset elastic body pushes the prompting piece 7 to move in the second direction, so that the first inclined surface 73 of the prompting piece 7 is attached to the second inclined surface 52 of the reset isolating body 5, the first prompting part 71 of the prompting piece is displayed in the display hole 9, when the overload is generated, the tilting end of the double-gold-leaf spring 4 tilts upwards and deforms to be separated from the second pin 3, a current loop is disconnected, the isolating sheet 51 enters the gap between the double-gold-leaf spring 4 and the second pin 3 under the action of the first reset elastic body 6, the reset isolating body 5 moves under the action of the first reset elastic body 6, the elastic force of the first reset elastic body 6 is larger than that of the second reset elastic body, the first reset elastic body 6 transmits the elastic force to the first inclined surface 73 through the second inclined surface 52 on the reset isolating body 5, and enables the first inclined surface 73 to be gradually separated from the second inclined surface 52, and further transmits the elastic force to the prompting piece 7 and compresses the second reset elastic, the prompting member 7 is moved in the third direction, so that the second prompting portion 72 of the prompting member is displayed in the display hole 9. For example, as shown in fig. 3 and 4, when there is no overload, the spacer 51 is disposed below the contact position between the tilting end of the double-gold dome 4 and the second pin 3, the second reset elastic body pushes the prompting member 7 to move rightward, so that the first inclined surface 73 of the prompting member 7 is attached to the second inclined surface 52 on the reset isolating body 5, so that the first prompting portion 71 of the prompting member is displayed in the display hole, when there is overload, the tilting end of the double-gold dome 4 will tilt and deform to separate from the second pin 3, and the current loop is disconnected, and the spacer 51 moves upward under the action of the first reset elastic body 6, enters the gap between the double-gold dome 4 and the second pin 3, and pushes the prompting member 7 to move leftward, so that the second prompting portion 72 of the prompting member is displayed in the display hole 9. When the double-gold elastic piece is manually reset, the reset isolation body 5 is pressed to enable the isolation sheet 51 to be separated from a gap between the double-gold elastic piece 4 and the second pin 3, the double-gold elastic piece 4 can be automatically reset and is abutted against the second pin 3, at the moment, a gap exists between the first inclined plane 73 and the second inclined plane 52, the second reset elastic body is elastically restored to push the prompting piece 7 to move rightwards, the first inclined plane 73 and the second inclined plane 52 are kept attached, and then the first prompting part 71 of the prompting piece is displayed in the display hole.
In an optional embodiment of the present invention, the driving force conversion structure includes a connecting rod, two ends of the connecting rod are respectively hinged to the reset isolating body and the prompting member, and under the action of the first reset elastic body, the reset isolating body is driven to move in a first direction, and then the prompting member is driven to move in a second direction through the connecting rod.
The first prompting part 71 and the second prompting part 72 can be two independent parts, and are combined to form the prompting piece 7, and the combination mode comprises pin connection, bonding, buckling or clamping and the like. The first prompting portion 71 and the second prompting portion 72 can also be integrally formed, such as two-shot molding.
The embodiment of the utility model provides a through setting up suggestion piece, driving piece and driving force transform structure, under driving piece, the elastomer that resets and driving force transform structure effect, make present different prompt information in the display hole to make overload protection ware under the state of difference, present the prompt part that is not current in the display hole, the suggestion user, the user of being convenient for knows overload protection ware's working condition, the embodiment of the utility model discloses through driving piece, the motion of the elastomer that resets and driving force transform structure drive suggestion piece, realize different prompt facility, the overload protection ware of embodiment has no electric current to pass through when opening circuit, has avoided leading to overload protection ware to have the potential safety hazard that the electric current passes through when opening circuit because of switching on for the warning light.
Example two
As shown, in an optional embodiment of the present invention, the reduction spacer 5 further comprises:
a short key 53 having one end disposed outside the main body; and
a connecting part 54 connecting the spacer 51 and the short key 53;
the second slope 52 is provided on the connecting portion 54.
In this embodiment, the short key 53 is disposed above the middle portion of the spacer 51, one end of the connecting portion 54 is connected to the end portion of the spacer 51, the other end is connected to the end portion of the short key 53, the connecting portion 54 may be composed of a vertical section and an oblique section, the second inclined plane 52 is disposed on the oblique section, and the first reset elastic body 6 abuts against the end portion of the short key 53. When the first inclined surface 73 is attached to the second inclined surface 52, the prompting piece 7 abuts against the inclined line segment, the first prompting part 71 is displayed in the display hole 9 at the moment, and when the first inclined surface 73 is separated from the second inclined surface 52, the prompting piece 7 abuts against the vertical segment, and the second prompting part 72 is displayed in the display hole 9 at the moment.
EXAMPLE III
As shown in fig. 5 and 6, in an optional embodiment of the present invention, the reduction spacer 5 further includes:
a long key 55 with one end connected with the spacing sheet 51 and the other end exposed out of the main body 1;
the long key 55 is provided with a groove 551, and the second inclined surface 52 is arranged in the groove 551.
In this embodiment, the long key 55 is provided with a groove 551, and the bottom surface of the groove 551 is provided with an inclined surface to form the second inclined surface 52. When the first inclined surface 73 is jointed with the second inclined surface 52, the prompting piece 7 is partially arranged in the groove 551, the first prompting part 71 is displayed in the display hole 9, when the first inclined surface 73 is separated from the second inclined surface 52, the prompting piece 7 is abutted against the outer periphery of the long key 55, and the second prompting part 72 is displayed in the display hole 9.
Example four
As shown in fig. 3 and 4, in an optional embodiment of the present invention, the prompting member 7 is disposed in the cavity, and the display hole 9 is disposed on the main body 1. Specifically, set up the via hole that supplies the isolator 5 that resets to pass at main part 1 top surface, set up display hole 9 beside the via hole, the user of can being convenient for presses the isolator 5 that resets or observes the downthehole suggestion colour of display, and then knows overload protection ware's behavior.
As shown in fig. 5 and 6, in another optional embodiment of the present invention, the prompting member 7 is disposed outside the main body 1, and the display hole is disposed on the external device 20 of the overload protector. Specifically, the prompting piece 7 is arranged on the outer side of the top surface of the main body 1, the prompting piece 7 is fixed by the external device 20, and the display hole 9 is formed in the external device 20. As shown in fig. 7, in another alternative embodiment of the present invention, the prompting device 7 is disposed inside the main body 1, and the display hole 9 is disposed on the external device 20 of the overload protector.
EXAMPLE five
As shown in fig. 2, the main body includes an upper cover 11 and a lower cover 12 which are engaged with each other. The cavity is enclosed by an upper cover 11 and a lower cover 12. The connection mode of the upper cover 11 and the lower cover 12 includes an inverted buckle connection, a screw connection or an adhesion. A seal may also be provided between the upper cover 11 and the lower cover 12.
EXAMPLE six
As shown in fig. 2, in an optional embodiment of the present invention, a slide rail is provided in the main body 1 for the prompting element 7 to slide. Specifically, set up spacing protruding muscle 121, end spacing protruding muscle 122, side spacing protruding muscle 123 on upper cover 11 and lower cover 12 respectively, the slide is enclosed by spacing protruding muscle 121, end spacing protruding muscle 122, the protruding muscle 123 of side spacing and closes and forms at the top, makes suggestion piece 7 only can move in second direction and third direction.
The embodiment of the utility model provides a through setting up suggestion piece, driving piece and driving force transform structure, under driving piece, the elastomer that resets and driving force transform structure effect, make present different prompt information in the display hole to make overload protection ware under the state of difference, present the prompt part that is not current in the display hole, the suggestion user, the user of being convenient for knows overload protection ware's working condition, the embodiment of the utility model discloses through driving piece, the motion of the elastomer that resets and driving force transform structure drive suggestion piece, realize different prompt facility, the overload protection ware of embodiment has no electric current to pass through when opening circuit, has avoided leading to overload protection ware to have the potential safety hazard that the electric current passes through when opening circuit because of switching on for the warning light.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The overload protector is characterized by further comprising a slidable prompting piece, the prompting piece is far away from one end of the reset isolation body, a driving piece is arranged at one end of the reset isolation body, the prompting piece is provided with a driving piece, the driving piece enables the prompting piece to move in the second direction, the prompting piece is close to one end of the reset isolation body, and the elastic force of the first reset elastic body in the first direction is converted into driving in the third direction opposite to the second direction The driving force conversion structure of power, the suggestion piece outside is provided with the display hole, under driving piece, first elastomer and the driving force conversion structure effect that resets, present different prompt information in the display hole.
2. The overload protector according to claim 1, wherein the driving member has a second restoring elasticity, the driving force conversion structure includes a first inclined surface disposed at an end of the prompting member, and a second inclined surface disposed on the restoring isolating body and adapted to the first inclined surface, and when the restoring isolating body moves in the first direction, the second inclined surface presses against the first inclined surface to move the prompting member in the third direction.
3. The overload protector of claim 2, wherein the reset isolator further comprises:
one end of the short key is arranged outside the main body; and
the connecting part is used for connecting the isolating sheet and the short keys;
the second inclined surface is provided on the connecting portion.
4. The overload protector of claim 2, wherein the reset isolator further comprises:
one end of the long key is connected with the isolating sheet, and the other end of the long key is exposed out of the main body;
the long key is provided with a groove, and the second inclined plane is arranged in the groove.
5. An overload protector according to claim 1, in which the prompting member includes first and second prompting portions which are independent of each other.
6. An overload protector according to claim 1, wherein the prompting member includes first and second integrally formed prompting portions.
7. The overload protector of claim 1, wherein the indicator is disposed within the cavity and the display aperture is disposed on the body.
8. An overload protector according to claim 1, in which the prompting element is provided on the exterior or interior of the body and the display aperture is provided on an external component of the overload protector.
9. The overload protector of claim 1, wherein the body includes an upper cover and a lower cover that snap-fit to each other.
10. The overload protector according to claim 1, wherein a slide way is provided in the main body for the prompting member to slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921414698.6U CN210575772U (en) | 2019-08-28 | 2019-08-28 | Overload protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921414698.6U CN210575772U (en) | 2019-08-28 | 2019-08-28 | Overload protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210575772U true CN210575772U (en) | 2020-05-19 |
Family
ID=70645659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921414698.6U Active CN210575772U (en) | 2019-08-28 | 2019-08-28 | Overload protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210575772U (en) |
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2019
- 2019-08-28 CN CN201921414698.6U patent/CN210575772U/en active Active
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