CN113611584B - Fuse device - Google Patents
Fuse device Download PDFInfo
- Publication number
- CN113611584B CN113611584B CN202110898595.7A CN202110898595A CN113611584B CN 113611584 B CN113611584 B CN 113611584B CN 202110898595 A CN202110898595 A CN 202110898595A CN 113611584 B CN113611584 B CN 113611584B
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- China
- Prior art keywords
- upper cover
- clamping
- blocks
- block
- shell
- 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.)
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Classifications
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- 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
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- 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
- H01H2085/2075—Junction box, having holders integrated with several other holders in a particular wiring layout
- H01H2085/208—Junction box, having holders integrated with several other holders in a particular wiring layout specially adapted for vehicles
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- Fuses (AREA)
Abstract
The invention discloses a fuse device, which comprises an upper cover and a shell, wherein the upper cover is provided with a first opening; the side of the upper cover is provided with a downward vertical face, one group of opposite vertical faces are provided with connecting blocks, clamping holes are formed in the connecting blocks, clamping rods are arranged between the side walls, located below the clamping holes, of the connecting blocks and the vertical faces where the connecting blocks are located, and ejector blocks extending towards the clamping holes are arranged on the clamping rods. The casing includes the protective housing, and the top of protective housing is equipped with outside convex boss, and the boss is equipped with the spread groove with the corresponding both sides of connecting block, and the block groove has been seted up to the protective housing that is located the spread groove, and the block inslot is equipped with the elastic plate, is equipped with the lug on the elastic plate, and upper cover and casing pass through the lug and block the position lock connection that the hole is located the kicking block downside. The invention can measure whether the power input of the safety conduction sheet is normal or not without pulling out the safety conduction sheet from the base, thereby avoiding unnecessary damage of the safety, and reducing unnecessary loss of a user caused by the replacement of the safety to the recovery of a subsequent vehicle.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a fuse device.
Background
The number of fuses on the automobile is very large, basically, each control loop has a fuse, the fuse has the difference between fast melting and slow melting, the conducting sheet of the fast melting fuse is exposed at the top end of the fuse, and the conducting sheet of the slow melting fuse is arranged in the fuse shell and is not exposed. If a certain power utilization loop does not work, and the power supply of the fuse to be checked is provided or not, the fuse can be pulled out from the base, whether a connecting sheet on the fuse base is electrified or not is measured, whether the fuse has electricity or not is judged, and the direction is provided for subsequent checking, the fast melting fuse can be exposed due to the fact that a conducting sheet is exposed, whether the power supply of the fuse is normal or not can be measured without pulling out the fuse from the base, the slow melting fuse is not exposed due to the fact that the conducting sheet is not exposed, fuse measurement needs to be pulled out from the base, and the fuse is more densely arranged due to the fact that the number of fuses and relays on the fuse base is large, fuse damage is easily caused when the operation is improper, and unnecessary loss is caused by replacing the fuse again for subsequent vehicle recovery.
Therefore, it is an urgent technical problem in the art to provide a fuse device capable of measuring whether the conductive piece is electrically connected without pulling out the fuse from the fuse base.
Disclosure of Invention
The invention aims to provide a safety device which can measure whether the power input of a safety conduction piece is normal or not without pulling out a safety from a base.
According to an aspect of the present invention, there is provided a fuse device including an upper cover and a housing;
the side surfaces of the upper cover are provided with downward vertical surfaces, wherein a group of opposite vertical surfaces are provided with connecting blocks, the connecting blocks are provided with clamping holes, clamping rods are arranged between the side walls of the connecting blocks below the clamping holes and the vertical surfaces where the connecting blocks are located, and the clamping rods are provided with ejector blocks extending towards the clamping holes;
the shell comprises a protective shell, a boss protruding outwards is arranged above the protective shell, connecting grooves are formed in two sides of the boss corresponding to the connecting block, a clamping groove is formed in the protective shell positioned in the connecting grooves, an elastic plate is arranged in the clamping groove, a lug is arranged on the elastic plate, and the upper cover and the shell are connected in a buckling mode through the lug and the part, located on the lower side of the top block, of the clamping hole;
the shell is internally provided with an assembling part and a conducting piece, the conducting piece is fixed on the assembling part and used for connecting a wire for power input.
Optionally, according to the fuse device of the present invention, the clamping rod is of a U-shaped structure, and two ends of the clamping rod are respectively connected to the lower side wall of the connecting block and the vertical surface.
Optionally, according to the fuse device of the present invention, the connecting groove is formed by two L-shaped protecting blocks, the vertical rods of the two protecting blocks are respectively connected to the bosses at two sides, and the horizontal rods are used for catching the lower side of the connecting block.
Optionally, according to the fuse device of the present invention, the lower side of the elastic plate is connected to the engaging groove, and the left and right sides of the elastic plate are spaced from the left and right sides of the engaging groove.
Optionally, according to the fuse device of the present invention, a side of the protrusion facing the upper cover is a slope, and a slope thereof is directed away from the upper cover.
Optionally, according to the fuse device of the present invention, a side of the protrusion, which is away from the upper cover, is a fastening plane, the fastening plane and the inclined plane form a triangular structure, and when the upper cover is fastened to the housing, the top block is located on an upper side of the protrusion.
Optionally, according to the fuse device of the present invention, the mounting portion includes a lower plane and a mounting portion, the mounting portion is in a U-shaped structure, and two ends of the mounting portion are fixed to the lower plane;
the lower plane is provided with two jacks which are symmetrical relative to the installation part, the groove structure in the middle of the installation part is used for limiting the up-and-down movement of the lower half part of the conducting sheet together, and the jacks are used for inserting foreign objects so as to limit the left-and-right movement of the lower half part of the conducting sheet.
Optionally, according to the fuse device of the present invention, the insertion hole is in a T-shaped structure, one side of the insertion hole is matched with the groove structure in the middle of the mounting portion, and the other two sides of the insertion hole respectively extend towards the left side and the right side opposite to the lower plane.
Optionally, according to the fuse device of the present invention, rounded triangular blocks are further disposed above two ends of the mounting portion, the upper half portion of the conducting plate is located between the two triangular blocks, and the triangular blocks are used for limiting the left-right movement of the upper half portion of the conducting plate.
The safety device disclosed by the invention can measure whether the power input of the safety conducting sheet is normal or not without pulling out the safety conducting sheet from the base, so that unnecessary damage to the safety is avoided, and unnecessary loss of a user to the recovery of a subsequent vehicle due to the replacement of the safety is reduced. When the conducting piece in the safety device needs to be measured, the conducting piece can be directly tested only by taking the upper cover down from the shell; the upper cover and the shell are very convenient and fast to buckle and are fastened; in addition, the assembly part in the shell can effectively fix the conducting sheet, and damage of the conducting sheet due to loosening is prevented.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a perspective view of a disclosed fuse device;
FIG. 2 is a perspective view of the disclosed housing;
FIG. 3 is a perspective view of the disclosed upper cover;
FIG. 4 is a perspective view of the disclosed housing;
FIG. 5 is a perspective view of the mounting portion of the disclosed invention;
FIG. 6 is a schematic view of the connection between the cover and the housing of the present invention;
figure 7 is an embodiment of the present invention on a safety base.
Description of reference numerals: 1, covering the cover; 11-facade; 12-connecting blocks; 13-a snap-fit hole; 14-a clamping rod; 15-a top block;
2-a shell; 21-protective shell; 22-a protection block; 23-boss; 24-a resilient plate; 25-a bump; 26-a mounting portion; 261-lower plane; 262-a receptacle; 263-mounting part; 264-triangular blocks;
3-a conducting sheet; 4-safety base.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
According to fig. 1 to 6, the present invention provides a fuse device including an upper cover 1 and a housing 2; the side surfaces of the upper cover 1 are provided with downward vertical surfaces 11, one group of the opposite vertical surfaces 11 is provided with a connecting block 12, the connecting block 12 is provided with a clamping hole 13, a clamping rod 14 is arranged between the side wall of the connecting block 12 below the clamping hole 13 and the vertical surface 11 where the connecting block is positioned, and the clamping rod 14 is provided with an ejector block 15 extending towards the clamping hole 13.
The shell 2 comprises a protective shell 21, a boss 23 protruding outwards is arranged above the protective shell 21, connecting grooves are arranged on two sides of the boss 23 corresponding to the connecting block 12, a clamping groove is formed in the protective shell 21 positioned in the connecting grooves, an elastic plate 24 is arranged in the clamping groove, a lug 25 is arranged on the elastic plate 24, and the upper cover 1 and the shell 2 are connected in a buckling mode through the lug 25 and the part, located on the lower side of the top block 15, of the clamping hole 13; the inside of the shell 2 is also provided with an assembling part 26 and a conducting sheet 3, the conducting sheet 3 is fixed on the assembling part 26, and the conducting sheet 3 is used for connecting a lead of power input.
As shown in fig. 7, the safety device disclosed by the present invention can measure whether the power input of the safety conducting sheet 3 is normal or not without pulling out the safety base 4, thereby avoiding unnecessary damage of the safety, and reducing unnecessary loss of the user caused by the restoration of the subsequent vehicle due to the replacement of the safety. When the conducting sheet 3 in the safety device needs to be measured, the conducting sheet 3 can be directly tested only by taking the upper cover 1 down from the shell 2; the buckling between the upper cover 1 and the shell 2 is very convenient and fast, and the buckling is tight.
Furthermore, the clamping rod 14 is a U-shaped structure, and two ends of the clamping rod are respectively connected to the lower side wall of the connecting block 12 and the vertical surface 11. In the process of detaching the upper cover 1 from the housing 2, the U-shaped clamping rod 14 can press the top block 15 inwards, so that the top block 15 pushes the elastic plate 24 to bend, and finally the projection 25 is separated from the clamping hole 13 of the connecting block 12 until the upper cover 1 is separated from the housing 2. In addition, the latch 14 of the present invention should have a certain elasticity to ensure that it can be deformed by pressing inward.
Further, the connecting groove is composed of two L-shaped protecting blocks 22, the vertical rods of the two protecting blocks 22 are respectively connected with the bosses 23 on the two sides, and the transverse rods are used for holding the lower side of the connecting block 12. Connecting groove mainly used cooperatees with connecting block 12, and during the implementation, connecting block 12 possesses certain thickness, and the connecting groove then can prevent when injecting this fuse device into fuse base 4, and the conflict takes place for connecting block 12 for foreign object, influences the lock between upper cover 1 and the casing 2.
Further, the lower side of the elastic plate 24 is connected to the engaging groove, and the left and right sides thereof are spaced from the left and right sides of the engaging groove. So that there is only one contact edge between the spring plate 24 and the housing 2, facilitating the rotation of the spring plate 24 around this contact edge to a certain degree.
Further, the side of the bump 25 facing the upper cover 1 is inclined, and the inclined side is directed away from the upper cover 1. The inclined surface facilitates the gradual contact and jamming of the connecting piece 12 with the projection 25.
Still further, the side of the convex block 25 away from the upper cover 1 is a clamping plane, the clamping plane and the inclined plane form a triangular structure, when the upper cover 1 is buckled with the shell 2, the top block 15 is located at the lower side of the clamping plane, and the clamping plane can enable the convex block 25 to be stably clamped at the clamping hole 13 and located at the lower side of the top block 15.
During assembly, the conducting sheet 3 is firstly installed in the shell 2, then the upper cover 1 and the shell 2 are assembled, in the process of assembling the upper cover 1 and the shell 2, when the upper cover 1 is placed downwards, the upper cover 1 can extrude the lug 25, the elastic plate 24 moves in the opposite direction in the extruding process, the lug 25 is driven to move inwards at the same time, the upper cover 1 is enabled to move downwards smoothly, until the ejector block 15 completely enters the lower part of the clamping plane of the lug 25, the upper planes of the four vertical faces 11 of the upper cover 1 and the boss 23 are abutted, the clamping plane of the boss 23 is abutted with the upper side face of the ejector block 15, and the upper cover 1 and the shell 2 are assembled.
When dismantling, only need the kelly 14 on the upper cover 1 of centre gripping of hand or other similar instrument of clip, inwards power, because kicking block 15 department is in the upper portion of lug 25, when extrudeing kelly 14, kicking block 15 can extrude the plane part of elastic plate 24, makes the inside motion of elastic plate 24 in opposite directions to drive lug 25 inward movement, when lug 25 is not in block hole 13 completely, upwards alright take off upper cover 1, thereby whether the power of measurement insurance is normal.
Further, the mounting portion 26 includes a lower plane 261 and a mounting portion 263, the mounting portion 263 has a U-shaped structure, and both ends thereof are fixed on the lower plane 261; the lower plane 261 is provided with two insertion holes 262 which are symmetrical relative to the mounting portion 263, a groove structure in the middle of the mounting portion 263 is used for limiting the up-and-down movement of the lower half part of the conducting sheet 3 together, and the insertion holes 262 are used for inserting foreign objects so as to limit the left-and-right movement of the lower half part of the conducting sheet 3.
Still further, the insertion hole 262 is a T-shaped structure, and one side of the insertion hole 262 is matched with the groove structure in the middle of the mounting portion 263, and the other two sides of the insertion hole 262 extend toward the left and right sides of the lower plane 261. The T-shaped socket 262 also reduces the open area of the lower surface 261, preventing a reduction in its strength.
Further, the two ends of the mounting portion 263 are also provided with rounded triangular blocks 264, the upper half part of the conducting sheet 3 is located between the two triangular blocks 264, and the triangular blocks 264 are used for limiting the left and right movement of the upper half part of the conducting sheet 3. The entirety of the coupling mounting portion 263 enables the mounting portion 26 to effectively fix the conductive sheet 3 against damage due to looseness.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (5)
1. A fuse device is characterized by comprising an upper cover and a shell;
the side surfaces of the upper cover are provided with downward vertical surfaces, one group of opposite vertical surfaces are provided with connecting blocks, the connecting blocks are provided with clamping holes, clamping rods are arranged between the side walls of the connecting blocks below the clamping holes and the vertical surfaces where the connecting blocks are located, and the clamping rods are provided with ejector blocks extending towards the clamping holes;
the shell comprises a protective shell, a boss protruding outwards is arranged above the protective shell, connecting grooves are formed in two sides of the boss corresponding to the connecting block, a clamping groove is formed in the protective shell positioned in the connecting grooves, an elastic plate is arranged in the clamping groove, a protruding block is arranged on the elastic plate, and the upper cover and the shell are connected in a buckling mode through the protruding block and the part, located on the lower side of the top block, of the clamping hole;
the shell is internally provided with an assembling part and a conducting sheet, the conducting sheet is fixed on the assembling part and is used for connecting a lead of a power supply input;
the lower side of the elastic plate is connected with the clamping groove, and gaps are reserved between the left side and the right side of the elastic plate and the left side and the right side of the clamping groove;
the assembling part comprises a lower plane and an installing part, the installing part is of a U-shaped structure, and two ends of the installing part are fixed on the lower plane;
the lower plane is provided with two jacks which are symmetrical relative to the mounting part, the groove structure in the middle of the mounting part is used for limiting the up-and-down movement of the lower half part of the conducting sheet together, and the jacks are used for inserting foreign objects so as to limit the left-and-right movement of the lower half part of the conducting sheet;
the jack is of a T-shaped structure, one side of the jack is matched with the groove structure in the middle of the mounting part, and the other two sides of the jack respectively extend towards the left side and the right side opposite to the lower plane;
the clamping rod is of a U-shaped structure, and two ends of the clamping rod are connected to the lower side wall of the connecting block and the vertical surface respectively.
2. The fuse device according to claim 1, wherein said connecting groove is formed by two L-shaped protecting blocks, the vertical rods of the two protecting blocks are respectively connected with the bosses at both sides, and the transverse rods are used for catching the lower side of the connecting block.
3. The fuse device according to claim 1, wherein a side of the projection facing the upper cover is inclined in a direction away from the upper cover.
4. The fuse device according to claim 3, wherein a side of the protrusion away from the top cover is a fastening plane, the fastening plane and the inclined plane form a triangular structure, and when the top cover is fastened to the housing, the top block is located on an upper side of the protrusion.
5. The fuse device according to claim 1, wherein rounded triangular blocks are further arranged above two ends of the mounting portion, the upper half portion of the conducting piece is located between the two triangular blocks, and the triangular blocks are used for limiting the left and right movement of the upper half portion of the conducting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110898595.7A CN113611584B (en) | 2021-08-05 | 2021-08-05 | Fuse device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110898595.7A CN113611584B (en) | 2021-08-05 | 2021-08-05 | Fuse device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113611584A CN113611584A (en) | 2021-11-05 |
| CN113611584B true CN113611584B (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110898595.7A Active CN113611584B (en) | 2021-08-05 | 2021-08-05 | Fuse device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113611584B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006411A (en) * | 2015-08-19 | 2015-10-28 | 安徽江淮汽车股份有限公司 | Fuse mounting structure |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228490A1 (en) * | 1985-12-24 | 1987-07-15 | Sumitomo Wiring Systems, Ltd. | Slow blow fuse |
| US4672352A (en) * | 1986-04-23 | 1987-06-09 | Kabushiki Kaisha T An T | Fuse assembly |
| CN201252073Y (en) * | 2008-08-07 | 2009-06-03 | 郑文宗 | Fuse module with prompt function |
| CN201430115Y (en) * | 2009-05-21 | 2010-03-24 | 比亚迪股份有限公司 | Current fuse and power battery |
| CN202930344U (en) * | 2012-11-21 | 2013-05-08 | 宁波市鄞州永林电子电器有限公司 | Sealed type automotive relay with safety device |
| CN204069538U (en) * | 2014-09-18 | 2014-12-31 | 安徽合力股份有限公司 | Fork truck electrical appliance box |
| CN206076190U (en) * | 2016-10-19 | 2017-04-05 | 浙江金癸龙电器有限公司 | A kind of automobile fuse box |
| CN108321064B (en) * | 2018-01-03 | 2024-04-05 | 厦门宏发汽车电子有限公司 | Automobile fuse box |
| CN112002626A (en) * | 2019-05-11 | 2020-11-27 | 阜阳师范学院 | A safety device that is easy to disassemble |
| CN209947781U (en) * | 2019-06-12 | 2020-01-14 | 天津辰星迎晖电气自动化工程有限公司 | Novel fuse installation protection device |
| CN211957589U (en) * | 2020-04-27 | 2020-11-17 | 普森美微电子技术(苏州)有限公司 | Special fuse protecting cover mounting seat for high-efficiency automobile charging pile |
| CN211907375U (en) * | 2020-05-12 | 2020-11-10 | 苏州安科新能源有限公司 | Fuse mounting box |
| CN213519845U (en) * | 2020-11-21 | 2021-06-22 | 台州凯通新能源科技有限公司 | Fuse box for vehicle |
-
2021
- 2021-08-05 CN CN202110898595.7A patent/CN113611584B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006411A (en) * | 2015-08-19 | 2015-10-28 | 安徽江淮汽车股份有限公司 | Fuse mounting structure |
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| CN113611584A (en) | 2021-11-05 |
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