TWM631158U - Easy-to-assemble fuse - Google Patents

Abstract

The present invention is a fuse that is easy to assemble, which comprises a fuse, a socket and a cover, the fuse is butt-jointed on the socket, the cover covers the socket and the fuse, and Butt and engage with the socket, the purpose of rapid alignment and positioning is achieved by the engagement of the fuse and the socket, and the engagement of the cover and the socket, so that the fuse can be quickly assembled during the manufacturing process, thereby simplifying the manufacturing process. , and reduce production costs.

Description

Fuse for easy assembly

This new model relates to a fuse, which refers to a fuse installed in circuit components to protect circuit safety.

In the prior art fuses, the fuses are installed in the casing and then fixed with glue before being used. The position of the fuses assembled in the casing is easily changed by external forces during the manufacturing process, making it difficult to locate the fuses. , the instability of the fuse position will affect its function. For example, if the distance between the two ends of the fuse is not fixed, an arc may be generated when the two ends of the fuse are too close, so that an open circuit cannot be formed immediately; for example, the distance between the fuse and the wall of the casing will also cause it to be affected by the external temperature. The effects are different, and the high temperature caused by the excessive current cannot be instantly reacted, resulting in the failure to form an open circuit immediately.

Therefore, how to make the fuse have a fixed position in the housing has become a technical problem that needs to be solved urgently in the art.

In view of this, the present invention improves the structure of the fuse, so that the position of the fuse can be easily fixed during the assembly process, so as to avoid the aforementioned defect due to the unstable position of the fuse.

In order to achieve the above-mentioned new purpose, the technical means adopted by this new model is to provide a fuse that is easy to assemble, which includes: A fuse includes a fuse part, two connection parts and two terminals, two ends of the fuse part are respectively connected to one of the connection parts, and two ends of each of the connection parts are respectively connected to the fuse part and one of the terminals; a socket , which receives the fuse, the socket includes a snap seat and two end seats, two sides of the snap seat are respectively formed with a snap slot, and the fuse part of the fuse passes through the snap seat, the The fuse portion is engaged in the card slot, the end seats are respectively formed by extending outward from two sides of the engagement seat, and the end seat is coaxial with the card slot, and the height of the engagement seat is greater than the height of the engagement seat. The height of the end seat, each end seat has a first surface and a second surface, the first surface and the second surface are located on different sides, and the two connecting parts of the fuse are respectively arranged on the end On the first surface of the seat, the two terminals of the fuse are respectively bent and arranged along one end of the end seat and a second surface; a cover body covers the fuse and the seat, the The cover body includes a main wall, a ring wall and at least one positioning element. The ring wall is formed around the outer periphery of the main wall. The main wall and the ring wall surround and form a content chamber. The positioning element is arranged on the main wall. up and extending into the content chamber, and the positioning component is fitted with at least one of the engaging grooves of the engaging seat of the socket.

The advantage of the present invention lies in that, through the arrangement of the snap seat and the positioning component, and by the cooperation of the fuse part and the snap seat, the fuse, the socket and the cover can be easily aligned when assembling, without the need for special Alignment equipment is used to assist, therefore, the present invention can effectively reduce assembly time, thereby reducing manufacturing cost.

10: Fuse

11, 11A, 11B: Fusing part

12, 12A, 12B: Connection part

13: Terminals

20, 20A: bearing

21, 21A: snap seat

210, 210A: heat collecting chamber

211: Card slot

22, 22A: end seat

220: First Surface

221: Heat collecting tank

222: Second Surface

30: Cover

300: Opening

310: Content Room

31: Main Wall

32: Ring Wall

321: Notch

33: Positioning components

331: Subject

332: bump

333: Baffle

40: Sealing body

50: Explosion-proof material

1 is a top perspective view of the first embodiment of the new model; FIG. 2 is a bottom perspective view of the first embodiment of the new model; FIG. 3 is an exploded view of the components of the first embodiment of the new model; a plan view of the first embodiment of the wire; 4B is a plan view of the second embodiment of the new fuse; FIG. 4C is a plan view of the third embodiment of the new fuse; FIG. 4D is a perspective view of the third embodiment of the new fuse; FIG. 5 Figure 6A is a perspective view of the first embodiment of the new socket; Figure 6B is a perspective view of the second embodiment of the new socket; Figure 6 7 is a bottom perspective view of the new cover body; FIG. 8 is a top sectional view of the first embodiment of the new model; FIG. 9 is a three-dimensional cross-sectional view of the first embodiment of the new model; FIG. 10 is the first embodiment of the new model Figure 11 is a side sectional view of the second embodiment of the new model; Figure 12 is a bottom perspective view of the assembly process of the first embodiment of the new model.

The technical means adopted by the present invention to achieve the intended purpose of the new model are further described below in conjunction with the drawings and the embodiments of the present invention. The drawings are simplified for the purpose of illustration only, and describe the relationship between the elements and components of the present invention. to illustrate the novel structure or method of the present invention, therefore, the elements shown in the figures are not presented in actual numbers, actual shapes, actual dimensions and actual proportions, and the dimensions or dimensional proportions have been exaggerated or simplified to provide a better illustration. , has been selectively designed and configured actual quantity, actual shape or actual size ratio, while the detailed component layout may be more complex.

Please refer to FIGS. 1 to 3 , the present invention includes a fuse 10 , a socket 20 , a cover 30 and a sealing compound 40 .

The aforementioned fuse 10 includes a fuse portion 11 , two connecting portions 12 and two terminals 13 . Two ends of the fuse portion 11 are respectively connected to one of the connecting portions 12 , and two ends of each connecting portion 12 are respectively connected to the fuse portion 11 and the connecting portions 12 . A terminal 13 . In one embodiment (as shown in FIG. 4A ), the width L ₁ of the fuse portion 11 is smaller than the width L _{2 of the connecting portion 12 , and the width L 2 of} the connecting portion 12 is smaller than the width L ₃ of the terminal 13 .

In one embodiment (as shown in FIG. 4A ), the fuse part 11 , the connecting part 12 and the terminal 13 are integrally formed; in another embodiment (as shown in FIG. 4B ), the fuse part 11A It is fixed by welding with the connecting portion 12A. In one embodiment (as shown in FIG. 4A ), the fuse portion 11 is linear; in another embodiment (as shown in FIGS. 4C and 4D ), the fuse portion 11B is bent to form a non-linear path , so that the fuse part 11B does not increase the distance between the connection parts 12B while extending the total length, so as to protect the circuit with a small rated current (for example, 10 amps to 0.5 amps), and further, the fuse Both sides of the portion 11B are bent downward to reduce the width of the fuse portion 11B.

Please refer to FIG. 2 , FIG. 3 and FIG. 5 , the aforementioned socket 20 receives the fuse 10 , and the socket 20 includes an engaging socket 21 and two end sockets 22 . The engaging seat 21 is hollow inside and is provided with a heat collecting chamber 210 , and two sides of the engaging seat 21 are respectively formed with a locking groove 211 , and the locking groove 211 is communicated with the heat collecting chamber 210 . The fuse 10 The fuse portion 11 is inserted through the engaging seat 21 , and the fuse portion 11 is engaged in the engaging slot 211 . The end seats 22 are respectively formed by extending outward from two sides of the engaging seat 21 , and the end seats ₂₂ are coaxial with the engaging grooves 211 . At the height H ₂ , a heat collecting groove 221 is concavely formed on the first surface 220 of each end seat 22 , and the two connecting portions 12 of the fuse 10 are respectively disposed on the surface of the end seat 22 and cover the corresponding heat collecting grooves. on the heat sink 221. The two terminals 13 of the fuse 10 are respectively bent along the end of the end seat 22 and the second surface 222 . The heat collecting chamber 210 and the heat collecting groove 221 provide a heat collecting space. Since the fuse part 11 and the connecting part 12 of the fuse 10 are adjacent to the heat collecting chamber 210 and the heat collecting groove 221, Therefore, the heat energy accumulated in the heat collecting chamber 210 and the heat collecting groove 221 can be effectively accumulated to the fuse part 11 and the connecting part 12 of the fuse 10 , so that when the fuse 10 encounters a large current, the temperature can rise instantaneously. The fuse portion 11 and the connecting portion 12 of the fuse 10 are rapidly accumulated, so that the fuse portion 11 can instantly respond to overheating and fuse, so as to enhance the effect of protecting the entire circuit.

In one embodiment (as shown in FIG. 6A ), the width W ₁₁ of the engaging seat 21 is greater than the width W ₂₁ of each end seat 22 ; in another embodiment (as shown in FIG. 6B ), the engaging seat The width W ₁₂ of 21A is equal to the width W ₂₂ of each end seat 22A. Compared with the foregoing two embodiments, the heat collecting chamber 210 of the embodiment shown in FIG. 6A has a larger space than the heat collecting chamber 210A of the embodiment shown in FIG. 6B . The engaging seat 21 of the embodiment can provide a better heat gathering effect, and can also provide the space required for the fuse portion 11 to be fused; the seat 20A of the embodiment shown in FIG. 6B and the implementation shown in FIG. 6A The socket 20 of the example has a relatively small volume.

Referring to FIGS. 3 , 7 to 9 , the cover body 30 covers the fuse 10 and the socket 20 , and the cover body 30 includes a main wall 31 , a ring wall 32 and at least one positioning element 33 . The annular wall 32 is formed around the outer periphery of the main wall 31 . The main wall 31 and the annular wall 32 form a surrounding chamber 310 . The cover body 30 further includes an opening 300 , and the opening 300 is connected to the inner chamber 310 . The main wall 31 abuts against the edge of the engaging seat 21 of the socket 20, so as to close the heat collecting chamber 210 to the card Between the seat 21 and the main wall 31 , the ring wall 32 is concavely formed with two notches 321 adjacent to the opening 300 , the notches 321 correspond to the terminals 13 of the fuse 10 They extend outward from the corresponding notches 321 respectively. The positioning element 33 is disposed on the main wall 31 and extends into the content chamber 310 . The positioning element 33 is engaged with at least one of the engaging grooves 211 of the engaging seat 21 of the socket 20 , so that the The cover body 30 and the socket 20 are butted and positioned with each other. In one embodiment, each of the positioning components 33 includes a main body 331 , a protruding block 332 and two blocking pieces 333 . The main body 331 , the protruding block 332 and the blocking pieces 333 are disposed on the main wall 31 . The protruding block 332 is formed by extending from one side of the main body 331 along the main wall 31 , and the blocking pieces 333 are respectively extended and formed from two ends of the main body 331 toward the inner chamber 310 . The protruding block 332 is formed with the corresponding engaging seat 21 The retaining pieces 333 abut against the side of the corresponding end seat 22 of the socket 20 , so as to further stabilize the docking relationship between the cover 30 and the socket 20 .

Please refer to FIG. 2 , FIG. 3 and FIG. 10 , the aforementioned sealing compound 40 is filled into the content chamber 310 of the cover body 30 from the opening 300 to additionally fix the fuse 10 , the socket 20 and In the cover body 30, since the heat collecting chamber 210 of the socket 20 is closed by the main wall 31 of the cover body 30, and the heat collecting groove 221 of the socket 20 is covered by the connecting portion 12 of the fuse 10, so The heat collecting chamber 210 and the heat collecting groove 221 are not filled with the sealing compound 40 . In one embodiment, the encapsulant 40 is a temperature-resistant adhesive material, such as epoxy resin, silicone resin, and the like. In one embodiment (refer to FIG. 11 ), the heat collecting chamber 210 and the heat collecting tank 221 may be pre-filled with an explosion-proof material 50 , such as quartz sand, explosion-proof sand, or a flame retardant material. , the flame retardant can be melamine, magnesium hydroxide, aluminum hydroxide and other materials, then when the fuse 10 encounters a large current and starts to blow, the instantaneous high heat generated may cause flames, these explosion-proof materials 50 can be Help to prevent it from burning.

During the assembly and manufacture of the present invention, the fuse 10 is first butted on the socket 20 (as shown in FIG. 5 ), and the fuse portion 11 is engaged in the slot 211 so that the connecting portion 12 is naturally positioned on the end seat 22, the fuse 10 and the socket 20 can be easily docked and positioned, and then the cover 30 is placed on the fuse 10 and the socket 20 (as shown in FIG. 12 ). 3 and FIG. 7), the positioning element 33 is engaged with the engaging slot 211 of the engaging seat 21, so that the cover 30 and the bearing seat 20 are docked and positioned with each other, Finally, the encapsulant 40 is filled in the inner chamber 310 of the cover 30 (as shown in FIG. 2 ), and the terminal 13 is bent and abutted against the end and the second surface of the end seat 22 222 to fix the relative positions of the fuse 10 , the socket 20 and the cover 30 . Therefore, the fuse 10 , the socket 20 and the cover 30 can be easily aligned during assembly through the cooperation of the fuse portion 11 , the engaging seat 21 and the positioning component 33 , without the need for additional precise alignment instruments , it can effectively save assembly time and cost.

In another embodiment, the present invention does not use the sealing compound 40, but is fixed by the tight fit between the cover body 30 and the socket 20. Both the cover body 30 and the socket 20 must be made of plastic material to make the tightness Cooperation is easier to achieve.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention in any form. Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the technical field, Within the scope of not departing from the technical solution of the present invention, some changes or modifications can be made by using the technical content disclosed above to be equivalent embodiments with equivalent changes, but any content that does not depart from the technical solution of the present invention is based on the technical essence of the new model. Any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solution of the present invention.

10: Fuse

11: Fusing part

12: Connection part

13: Terminals

20: Bearing

21: snap seat

210: Heat collecting chamber

211: Card slot

22: end seat

220: First Surface

221: Heat collecting tank

30: Cover

300: Opening

31: Main Wall

32: Ring Wall

321: Notch

Claims (10)

An easy-to-assemble fuse comprising: a fuse comprising a fuse part, two connection parts and two terminals, two ends of the fuse part are respectively connected to one of the connection parts, and two ends of each of the connection parts are respectively connected to the fuse part and one of the terminals; a socket, which receives the fuse, the socket includes a snap seat and two end seats, two sides of the snap seat are respectively formed with a snap slot, and the fuse part of the fuse is passed through the snap seat , the fuse part is engaged in the slot, the end seat is formed by extending outward from both sides of the engagement seat, and the end seat is coaxial with the slot, the height of the engagement seat Greater than the height of the end bases, each of the end bases has a first surface and a second surface, the first surface and the second surface are located on different sides, and the two connecting parts of the fuse are respectively arranged on On the first surface of the end seat, two terminals of the fuse are respectively bent and arranged along an end of the end seat and a second surface; A cover body covers the fuse and the socket, the cover body includes a main wall, a ring wall and at least one positioning element, the ring wall is formed around the outer periphery of the main wall, the main wall and the A content chamber is formed around the annular wall, the positioning element is disposed on the main wall and extends into the content chamber, and the positioning element is fitted with at least one of the engaging grooves of the engaging seat of the socket. The easy-to-assemble fuse as claimed in claim 1, wherein the engaging seat is hollow inside and is provided with a heat collecting chamber, the locking groove communicates with the heat collecting chamber, and the main wall is engaged with the socket The edges of the seat abut against each other, so as to seal the heat collecting chamber between the engaging seat and the main wall. The fuse for easy assembly as claimed in claim 1 or 2, wherein a heat collecting groove is concavely formed on the first surface of each of the end bases, and the two connecting portions of the fuse cover the corresponding heat collecting grooves. The easy-to-assemble fuse according to claim 1 or 2, further comprising a sealing body, the cover body further comprising an opening, the opening communicates with the content chamber and is adjacent to the ring wall, and is connected to the main body. The walls are opposite to each other, and the sealing compound is filled into the inner chamber of the cover body through the opening of the cover body. The easy-to-assemble fuse according to claim 3, further comprising a sealing body, the cover body comprising an opening, and the opening communicates with the content chamber and is adjacent to the ring wall, and is opposite to the main wall, The sealing compound is filled into the inner chamber of the cover body through the opening of the cover body. The easy-to-assemble fuse according to claim 4, wherein two notches are concavely formed in the ring wall of the cover adjacent to the opening, and the notches correspond to the terminals of the fuse, and the terminals are respectively formed by The corresponding notch extends outward. The easy-to-assemble fuse according to claim 5, wherein two notches are concavely formed in the ring wall of the cover adjacent to the opening, and the notches correspond to the terminals of the fuse respectively, and the terminals are respectively formed by The corresponding notch extends outward. The fuse for easy assembly as claimed in claim 1 or 2, wherein the width of the engaging seat of the socket is greater than or equal to the width of each end seat. The easy-to-assemble fuse according to claim 1 or 2, wherein the fuse part, the connecting part and the terminal of the fuse are integrally formed. The easy-to-assemble fuse as claimed in claim 1 or 2, wherein the fuse portion is bent to form a non-straight path.

Images