CN210628233U - Sealed electromagnetic shielding fuse box - Google Patents
Sealed electromagnetic shielding fuse box Download PDFInfo
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- CN210628233U CN210628233U CN201922016952.3U CN201922016952U CN210628233U CN 210628233 U CN210628233 U CN 210628233U CN 201922016952 U CN201922016952 U CN 201922016952U CN 210628233 U CN210628233 U CN 210628233U
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Abstract
The utility model provides a sealed electromagnetic shielding fuse box, which comprises a base; the base is a hollow cavity with one open end, and a protective tube is arranged in the cavity of the base. The side surface and the bottom of the protective tube are contacted with a conductive piece fixed in the base, and the conductive piece extends out of the base to be used as a wiring terminal; the pressing cap component is internally provided with a fixing piece which fixes the pressing cap component on the base and fixes one end of the protective tube; the shell is a hollow cylinder with two open ends, one end of the shell is assembled on the outer wall of the base, and the other end of the shell seals the lower ends of the shell and the base through a sealing strip. The metal shell and the conductive sealing ring of the utility model enable the fuse box to have the electromagnetic shielding function, and the last step of assembly needs to be filled with glue in the metal shell, so that the metal shell and the conductive sealing ring realize the full sealing function; when the fuse box is installed into the whole machine, the conductive sealing ring, the metal shell and the metal installation panel form a metal cover, and a certain shielding effect is achieved on electromagnetic interference.
Description
Technical Field
The utility model relates to a sealed electromagnetic shield fuse box.
Background
The fuse box is a box for installing fuses, the fuses are convenient to install, the fuses are connected in series in a circuit to play a circuit protection role, and the existing fuse boxes only have the functions of sealing, water proofing and dust proofing. Along with the rapid development of electronic technology, the stability requirement and complexity of a circuit are improved at the same time, and a fuse generally plays a role in circuit conduction in the circuit, so that a fuse box needs a stable transmission circuit in the complex circuit, meanwhile, the sealing and shielding technology of modern electronic products is increasingly important in various fields, along with the requirement of equipment integration, the sealing performance and the electromagnetic shielding performance better accord with the trend of modern electronic products, and the existing fuse box only can play a role in protecting the circuit, cannot reach the waterproof grade and the electromagnetic shielding integration requirement, and cannot meet the use of underwater equipment and electromagnetic interference prevention equipment.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a sealed electromagnetic shield fuse box.
The utility model discloses a following technical scheme can realize.
The utility model provides a sealed electromagnetic shielding fuse box, which comprises a base; the base is a hollow cavity with one open end, and a protective tube is arranged in the cavity of the base. The side surface and the bottom of the protective tube are contacted with a conductive piece fixed in the base, and the conductive piece extends out of the base to be used as a wiring terminal; the pressing cap component is internally provided with a fixing piece which fixes the pressing cap component on the base and fixes one end of the protective tube; the outer shell is a hollow cylinder with openings at two ends, one end of the outer shell is assembled on the outer wall of the base, and the other end of the outer shell seals the outer shell and the lower end of the base through a sealing strip; the installation cover locks the shell on the installation panel through matching with the outer wall of the shell.
The fixing piece comprises a handle cap, an insulating cap is processed on the outer wall of the upper end of the handle cap through plastic pressing, the lower end of the outer wall of the handle cap is fixed on the inner wall of the base, a cavity is formed in the handle cap, a clamping flap is installed in the cavity and is an elastic sheet, the cross section of the side wall of the clamping flap is S-shaped, the inner wall of the clamping flap is in contact with the fuse, and the outer wall of the clamping flap is in contact with the inner wall of the handle cap.
The base comprises an insulating shell, the insulating shell is of a hollow structure with one open end, a threaded sleeve is mounted at the upper end of the inner wall of the insulating shell, and internal threads on the threaded sleeve are matched with external threads of the handle cap.
The conductive piece comprises a first conductive piece and a second conductive piece, the upper end of the first conductive piece is fixed on the side wall of the insulating shell, the lower end of the first conductive piece is connected with a wire, the wire extends out of the sealing strip, two end faces at the upper end of the second conductive piece are respectively contacted with the protective tube and the pressure spring, the lower end of the second conductive piece extends out of the bottom of the insulating shell and is connected with the wire, the wire extends out of the sealing strip, and the other end of the pressure spring is installed at the.
And a sealing ring is arranged between the insulating shell and the handle cap.
The first conducting strip and the second conducting strip are installed in the insulating shell through plastic compression.
The first conducting strip or the second conducting strip is connected with the conducting wire in a welding mode, and the welding position is coated by the heat shrinkage pipe.
And a gap is reserved between the outer wall of the insulating shell and the lower end of the inner wall of the shell.
The sealing strip is formed by pouring glue into a gap between the insulating shell and the shell support and from the bottom of the base to an opening at the bottom of the shell.
The edge of the opening of the shell is fixedly connected with an annular boss, and the inner thread on the mounting sleeve is matched with the outer thread on the shell to clamp the mounting panel between the upper end of the mounting sleeve and the boss of the shell.
The beneficial effects of the utility model reside in that: the fuse box has an electromagnetic shielding function due to the metal shell and the conductive sealing ring, and the metal shell is filled with glue in the last assembly step, so that the metal shell can realize a full-sealing function; when the fuse box is installed into the whole machine, the conductive sealing ring, the metal shell and the metal installation panel form a metal cover, and a certain shielding effect is achieved on electromagnetic interference.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1-press cap assembly, 101-insulating cap, 102-handle cap, 103-clamping flap, 104-sealing ring, 2-base, 201-insulating shell, 202-first conducting strip, 203-thread sleeve, 204-pressure spring, 205-second conducting strip, 3-shell, 4-conductive sealing ring, 5-installation sleeve, 6-installation panel, 7-fuse tube, 8-sealing strip, 9-heat shrink tube and 10-conducting wire.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
A sealed electromagnetic shielding fuse box includes a base 2; the base 2 is a hollow cavity with one open end, and a protective tube 7 is arranged in the cavity of the base 2. The side and the bottom of the protective tube 7 are contacted with conductive pieces fixed in the base 2, and the conductive pieces extend out of the base 2 to be used as wiring ends; a fixing piece is arranged in the pressing cap component 1, the pressing cap component 1 is fixed on the base 2, and one end of the protective tube 7 is fixed; the outer shell 3 is a hollow cylinder with openings at two ends, one end of the outer shell 3 is assembled on the outer wall of the base 2, and the other end of the outer shell 3 seals the outer shell 3 and the lower end of the base 2 through a sealing strip 8; and the mounting sleeve 5 is matched with the outer wall of the shell 3 to lock the shell 3 on the mounting panel 6. The metal shell and the conductive sealing ring are additionally arranged, so that the metal shell and the conductive sealing ring have an electromagnetic shielding function at random, and glue is filled in the metal shell in the last step of assembly, so that the metal shell realizes a full-sealing function. When the fuse box is installed into the whole machine, the conductive sealing ring, the metal shell and the metal installation panel form a metal cover, and a certain shielding effect is achieved on electromagnetic interference. After the assembly is finished, glue is filled in the metal shell, the fuse box is internally sealed together with a sealing ring on the pressing cap assembly, and the panel sealing can be realized by the conductive sealing ring, so that the full-sealing function is realized
The fixing piece comprises a handle cap 102, an insulating cap 101 is processed on the outer wall of the upper end of the handle cap 102 through plastic compression, the lower end of the outer wall of the handle cap 102 is fixed on the inner wall of the base 2, a cavity is arranged in the handle cap 102, a clamping flap 103 is arranged in the cavity, the clamping flap 103 is an elastic sheet, the cross section of the side wall of the clamping flap 103 is S-shaped, the safety tube 7 is clamped tightly under the action of the handle cap 102, the inner wall of the clamping flap 103 is in contact with the safety tube 7, and the outer wall of the clamping flap 103 is in contact with the inner wall of. The pressing cap component (1) is embedded into the handle cap sleeve (102) in an injection molding manner; the clamping flap (103) is arranged in the handle cap sleeve (102) and used for clamping the fuse tube and playing a role in conducting electricity; the sealing ring (104) is sleeved on the handle cap sleeve (102) and plays a role in sealing the nut combination (1) and the base component (2) internally.
The base 2 comprises an insulating shell 201, the insulating shell 201 is of a hollow structure with one open end, a thread sleeve 203 is mounted at the upper end of the inner wall of the insulating shell 201, and internal threads on the thread sleeve 203 are matched with external threads of the handle cap 102. The base set (2) is embedded into the first conductive piece (202) and the threaded sleeve (203) in an injection molding mode, and the pressure spring (204) and the second conductive piece (205) are installed.
The conductive piece comprises a first conductive piece 202 and a second conductive piece 205, the upper end of the first conductive piece 202 is fixed on the side wall of the insulating shell 201, the lower end of the first conductive piece 202 is connected with the wire 10, the wire 10 extends out of the sealing strip 8, two end faces at the upper end of the second conductive piece 205 are respectively contacted with the protective tube 7 and the pressure spring 204, the lower end of the second conductive piece 205 extends out of the bottom of the insulating shell 201 and is connected with the wire 10, the wire 10 extends out of the sealing strip 8, and the other end of the pressure spring 204 is installed at the bottom of the insulating.
A seal ring 104 is mounted between the insulating housing 201 and the cap 102.
The first conductive sheet 202 and the threaded sleeve 203 are mounted in the insulating housing 201 by plastic compression.
The first conductive sheet 202 and the second conductive sheet 205 are connected to the wire 10 by welding, and the welded parts are covered by the heat shrink tube 9.
A gap is reserved between the outer wall of the insulating shell 201 and the lower end of the inner wall of the shell 3.
The sealing strip 8 is formed by pouring glue into the gap between the insulating housing 201 and the housing 3 from the bottom of the base 2 to the bottom opening of the housing 3.
The opening edge rigid coupling of shell 3 has annular boss, internal thread on the installation cover 5 through with the outer screw-thread fit on the shell 3 press from both sides tight installation panel 6 between the boss of the upper end of installation cover 5 and shell 3.
The shell (3) and the conductive sealing ring (4) are made of conductive materials, and after the shell and the conductive sealing ring are arranged on the metal panel, the shell and the conductive sealing ring can absorb, reflect and counteract energy (electromagnetic induction generates a reverse electromagnetic field on the shielding layer and can counteract partial interference electromagnetic waves) for interference electromagnetic waves from the outside and internal electromagnetic waves, and have the function of preventing or weakening interference.
Claims (10)
1. A hermetically sealed, electromagnetically shielded fuse box, comprising:
the device comprises a base (2), wherein the base (2) is a hollow cavity with an opening at one end, a protective tube (7) is arranged in the cavity of the base (2), the side surface and the bottom of the protective tube (7) are in contact with a conductive piece fixed in the base (2), and the conductive piece extends out of the base (2) and serves as a wiring end;
a fixing piece is arranged in the pressing cap component (1), the pressing cap component (1) is fixed on the base (2) and one end of the protective tube (7) is fixed;
the outer shell (3) is a hollow cylinder with two open ends, one end of the outer shell (3) is assembled on the outer wall of the base (2), and the other end of the outer shell (3) seals the lower ends of the outer shell (3) and the base (2) through a sealing strip (8);
the installation sleeve (5) is matched with the outer wall of the shell (3) to lock the shell (3) on the installation panel (6).
2. The hermetically sealed, electromagnetically shielded fuse block of claim 1, wherein: the fixing piece comprises a handle cap (102), an insulating cap (101) is machined on the outer wall of the upper end of the handle cap (102) through plastic compression, the lower end of the outer wall of the handle cap (102) is fixed on the inner wall of the base (2), a cavity is arranged in the handle cap (102), a clamping flap (103) is installed in the cavity, the clamping flap (103) is an elastic sheet, the cross section of the side wall of the clamping flap (103) is S-shaped, the inner wall of the clamping flap (103) is in contact with the protective tube (7), and the outer wall of the clamping flap (103) is in contact with the inner wall of the handle cap (102.
3. The hermetically sealed, electromagnetically shielded fuse block of claim 1, wherein: the base (2) comprises an insulating shell (201), the insulating shell (201) is of a hollow structure with one open end, a threaded sleeve (203) is installed at the upper end of the inner wall of the insulating shell (201), and internal threads on the threaded sleeve (203) are matched with external threads of the handle cap (102).
4. The hermetically sealed, electromagnetically shielded fuse block of claim 1, wherein: the conductive piece comprises a first conductive sheet (202) and a second conductive sheet (205), the upper end of the first conductive sheet (202) is fixed on the side wall of the insulating shell (201), the lower end of the first conductive sheet (202) is connected with a wire (10), the wire (10) extends out of the sealing strip (8), two end faces at the upper end of the second conductive sheet (205) are respectively contacted with the protective tube (7) and the pressure spring (204), the lower end of the second conductive sheet (205) extends out of the bottom of the insulating shell (201) to be connected with the wire (10), the wire (10) extends out of the sealing strip (8), and the other end of the pressure spring (204) is installed at the bottom of the insulating shell (201).
5. The hermetically sealed, electromagnetically shielded fuse block of claim 4, wherein: and a sealing ring is arranged between the insulating shell (201) and the handle cap (102).
6. The hermetically sealed, electromagnetically shielded fuse block of claim 4, wherein: the first conducting strip (202) and the second conducting strip (205) are installed in the insulating shell (201) through plastic compression.
7. The hermetically sealed, electromagnetically shielded fuse block of claim 4, wherein: the first conducting strip (202) or the second conducting strip (205) is connected with the lead (10) through welding, and the welding position is covered by a heat shrinkable tube (9).
8. The hermetically sealed, electromagnetically shielded fuse block of claim 4, wherein: and a gap is reserved between the outer wall of the insulating shell (201) and the lower end of the inner wall of the shell (3).
9. The hermetically sealed, electromagnetically shielded fuse block of claim 1, wherein: the sealing strip (8) is formed by pouring glue into a gap between the insulating shell (201) and the shell (3) and from the bottom of the base (2) to an opening at the bottom of the shell (3).
10. The hermetically sealed, electromagnetically shielded fuse block of claim 1, wherein: an annular boss is fixedly connected to the edge of the opening of the shell (3), and an installation panel (6) is clamped between the upper end of the installation sleeve (5) and the boss of the shell (3) through matching of internal threads on the installation sleeve (5) and external threads on the shell (3); and a conductive sealing ring is arranged between the shell (3) and the mounting panel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922016952.3U CN210628233U (en) | 2019-11-20 | 2019-11-20 | Sealed electromagnetic shielding fuse box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922016952.3U CN210628233U (en) | 2019-11-20 | 2019-11-20 | Sealed electromagnetic shielding fuse box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210628233U true CN210628233U (en) | 2020-05-26 |
Family
ID=70764267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922016952.3U Active CN210628233U (en) | 2019-11-20 | 2019-11-20 | Sealed electromagnetic shielding fuse box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210628233U (en) |
-
2019
- 2019-11-20 CN CN201922016952.3U patent/CN210628233U/en active Active
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