CN218997624U - Waterproof junction box - Google Patents
Waterproof junction box Download PDFInfo
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- CN218997624U CN218997624U CN202223321442.5U CN202223321442U CN218997624U CN 218997624 U CN218997624 U CN 218997624U CN 202223321442 U CN202223321442 U CN 202223321442U CN 218997624 U CN218997624 U CN 218997624U
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- junction box
- voltage
- sealing ring
- waterproof junction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a waterproof junction box which comprises a shell and a wire inlet, wherein a clamping strip is arranged on the left side of the shell, a first sealing ring is arranged on the left side of the clamping strip and is bonded with the clamping strip, a second sealing ring is arranged on the left side of the first sealing ring, a backboard is arranged outside the second sealing ring and is bonded with the second sealing ring, the wire inlet is arranged at the front end of the shell, a wire lug is arranged at the upper end of the right side of the backboard, and a wire row assembly is arranged at the lower end of the wire lug. This waterproof terminal box compares with current terminal box, is provided with waterproof construction, can prevent that the rainwater from getting into inside the device, is favorable to improving the security of device, and the device is provided with fixed knot constructs simultaneously, can prevent that the cable from rocking the pine and taking off, is favorable to preventing that the device from appearing the virtual joint, and the device still is provided with voltage display module, and the staff can master the voltage of its inner line at any time, is favorable to improving the practicality of device.
Description
Technical Field
The utility model relates to the technical field of junction boxes, in particular to a waterproof junction box.
Background
Photovoltaic power generation is based on the photovoltaic effect principle, solar energy is directly converted into electric energy by utilizing a solar cell, the solar energy has the characteristics of cleanness and no pollution, and is used as renewable resources, inexhaustible, and the solar power generation is gradually going into thousands of households nowadays, and in a solar power generation assembly, a junction box is needed to be used for connecting lines of the solar power generation assembly.
The prior patent with publication number CN204668183U, named junction box, comprises a box body and a fixing piece; wherein, the box body cavity is for holding the room, and the lateral wall of box body is equipped with the fixed part, and the fixed part is located near holding the opening of room, and the first end of stationary blade is installed in the fixed part, and the second end of stationary blade is equipped with first mounting hole, and box body and stationary blade are mutually separated independent part, and the stationary blade can adopt the material different with the box body, intensity is higher to the stationary blade can be changed, extension terminal box's life.
The device has the advantages that although the service life of the junction box is prolonged, the device is not provided with a waterproof structure, when the device is installed outdoors, rain can flow into the device from a gap and a wire inlet of the device, corrosion and corrosion of metal parts inside an accelerator are decomposed, the risk of short-circuit fire is also caused, and technical innovation is carried out on the basis of the existing junction box according to the situation.
Disclosure of Invention
The present utility model is directed to a waterproof junction box, which solves the above-mentioned problems of the related art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a waterproof terminal box, includes casing and entrance, the left side of casing is provided with the card strip, the left side of card strip is provided with sealing washer one, and sealing washer one is bonding with the card strip, the left side of sealing washer one is provided with sealing washer two, the outside of sealing washer two is provided with the backplate, and backplate and sealing washer two are bonding, the entrance is installed in the front end of casing.
Further, the right side upper end of backplate is provided with the binding post, and the lower extreme of binding post is provided with the wiring row subassembly, the wiring row subassembly is including wiring row one and holding screw, and the right side of wiring row one is provided with the holding screw, the right side lower extreme of backplate is provided with wiring row two.
Further, the front end of the wire inlet is provided with a rubber ring, and the inner side of the rubber ring is provided with anti-skid patterns.
Further, an inner wire block is arranged on the outer side of the wire inlet, and an anti-slip strip is arranged on the outer side of the inner wire block.
Further, a voltage box is arranged in the right wall of the shell, a first connector is arranged at the upper end of the left side of the voltage box, and a second connector is arranged at the lower end of the left side of the voltage box.
Further, a magnet is arranged on the left wall of the inner part of the voltage box, and a rotating rod is arranged on the right wall of the inner part of the voltage box.
Further, the pointer is arranged at the upper end of the rotating rod, a spring is arranged on the left side of the rotating rod, and a coil is arranged on the left side of the spring.
Further, an acrylic sheet is arranged in the upper end of the right wall of the voltage box, and a dial is arranged on the upper wall of the voltage box.
Compared with the prior art, the utility model has the beneficial effects that: the device is provided with waterproof construction, can prevent that the rainwater from getting into inside the device, is favorable to improving the security of device, and the device is provided with fixed knot structure simultaneously, can prevent that the cable from rocking the pine and taking off, is favorable to preventing that the device from appearing the virtual joint, and the device still is provided with voltage display module, and the staff can master the voltage of its inner line at any time, is favorable to improving the practicality of device.
1. According to the utility model, through the arrangement of the shell, the clamping strip, the first sealing ring, the second sealing ring, the back plate and the wire inlet, the shell and the clamping strip are designed into a whole, the back plate is provided with the clamping groove matched with the clamping strip, and the clamping strip and the clamping groove encircle the shell or the back plate for a circle, when the device is installed, the first sealing ring on the shell is tightly attached to the second sealing ring on the back plate, so that the installation gap maintains high tightness, rainwater can be prevented from penetrating into the device through the gap, and the wire inlet and the wire outlet at the front end and the rear end of the shell are all arranged to be downward in negative angle, so that rainwater can be prevented from flowing in from the wire inlet and the wire outlet.
2. According to the utility model, through the arrangement of the voltage box, the magnet, the rotating rod, the pointer, the spring, the coil and the dial, the first wiring row is at the positive electrode or the live wire wiring position, the second wiring row is at the negative electrode or the zero wire wiring position, when the wiring of a user is completed and the shell and the back plate are combined, the first connector on the left side of the voltage box can be connected to the copper lug of the first wiring row, the second connector is connected to the copper lug of the second wiring row, at the moment, if current passes through the circuit, the coil can rotate according to the electromagnetic induction principle, the larger voltage is the larger rotating torque force, the spring can limit the rotation of the coil, and the larger torque force is the larger rotating angle, so that the larger angle is the pointer is driven to rotate, and the voltage of the internal circuit of the device can be obtained through the corresponding reading of the pointer on the dial.
Drawings
FIG. 1 is a schematic elevational cross-sectional view of a waterproof junction box of the present utility model;
FIG. 2 is an enlarged partial front sectional schematic view of the clip and back plate of a waterproof junction box of the present utility model;
FIG. 3 is a schematic side cross-sectional view of a waterproof junction box of the present utility model;
FIG. 4 is an enlarged schematic view of a partial side cross-sectional view of a wire inlet and rubber ring of a waterproof junction box of the present utility model;
FIG. 5 is a schematic perspective view of a water-proof junction box of the present utility model showing a wire inlet and an inner wire block;
fig. 6 is a schematic view of a voltage box of a waterproof junction box of the present utility model, partially in front cross-section, enlarged in structure.
In the figure: 1. a housing; 2. clamping strips; 3. a first sealing ring; 4. a second sealing ring; 5. a back plate; 6. a wire inlet; 7. a wiring lug; 8. a wiring harness assembly; 801. wiring is arranged in a first mode; 802. a set screw; 9. a rubber ring; 10. anti-skid lines; 11. an inner wire block; 12. an anti-slip strip; 13. a voltage box; 14. a first joint; 15. a second joint; 16. a magnet; 17. a rotating rod; 18. a pointer; 19. a spring; 20. a coil; 21. acrylic sheet; 22. a dial; 23. and a second wiring row.
Detailed Description
As shown in fig. 1-5, a waterproof junction box comprises a shell 1 and a wire inlet 6, wherein a clamping strip 2 is arranged on the left side of the shell 1, a first sealing ring 3 is arranged on the left side of the clamping strip 2, the first sealing ring 3 is bonded with the clamping strip 2, a second sealing ring 4 is arranged on the left side of the first sealing ring 3, a backboard 5 is arranged outside the second sealing ring 4, the backboard 5 is bonded with the second sealing ring 4, the wire inlet 6 is arranged at the front end of the shell 1, the shell 1 and the clamping strip 2 are integrally designed, a clamping groove matched with the clamping strip 2 is arranged on the backboard 5, the clamping strip 2 and the clamping groove encircle the shell 1 or the backboard 5 for one circle, when the device is installed, the first sealing ring 3 on the shell 1 is tightly bonded with the second sealing ring 4 on the backboard 5, so that a mounting gap maintains high tightness, rainwater can be prevented from penetrating into the device through the gap, the front end of the wire inlet 6 is provided with the rubber ring 9, the inner side of the rubber ring 9 is provided with the anti-skid threads 10, the outer side of the wire inlet 6 is provided with the inner wire block 11, the outer side of the inner wire block 11 is provided with the anti-skid strips 12, the outer wire 6 is provided with the outer wire matched with the inner wire of the inner wire block 11, when a worker wires, the cable can pass through the inner wire block 11, the rubber ring 9 and the wire inlet 6 in sequence, and then rotate the inner wire block 11 after the wire is connected, so that the inner wire block 11 is clamped with the wire teeth of the wire inlet 6, the rubber ring 9 is gradually pressed by the left end contraction part of the inner wire block 11, and a certain degree of contraction can be generated, and then lead to the inside pore shrink of rubber ring 9 to its inboard anti-skidding line 10 can hug closely the cable, plays the effect of fixed cable, through above-mentioned process, the device can prevent that the cable from rocking the pine and taking off, is favorable to preventing that the device from appearing the virtual joint.
As shown in fig. 1 and 6, the upper right end of the back plate 5 is provided with a wire lug 7, and the lower end of the wire lug 7 is provided with a wire row assembly 8, the wire row assembly 8 comprises a wire row one 801 and a set screw 802, the right side of the wire row one 801 is provided with the set screw 802, the lower right end of the back plate 5 is provided with a wire row two 23, the inside of the right wall of the shell 1 is provided with a voltage box 13, the upper left end of the voltage box 13 is provided with a joint one 14, the lower left end of the voltage box 13 is provided with a joint two 15, the inside left wall of the voltage box 13 is provided with a magnet 16, the inside right wall of the voltage box 13 is provided with a rotating rod 17, the upper end of the rotating rod 17 is provided with a pointer 18, the left side of the rotating rod 17 is provided with a spring 19, the left side of the spring 19 is provided with a coil 20, the inside of the upper right wall of the voltage box 13 is provided with an acrylic piece 21, and the inside upper wall of the voltage box 13 is provided with a dial 22, the first connection row 801 is a positive or live wire connection position, the second connection row 23 is a negative or zero wire connection position, when the connection of a user is completed and the shell 1 and the back plate 5 are combined, the first connector 14 at the left side of the voltage box 13 can be connected to the copper lug of the first connection row 801, the second connector 15 is connected to the copper lug of the second connection row 23, if current passes through the circuit, the current can rotate the coil 20 according to the electromagnetic induction principle, the larger the voltage is, the larger the rotating torque force can be used for limiting the rotation of the spring 19, and the larger the torque force is, the rotating angle is larger, so that the rotating angle of the pointer 18 is driven to be larger, the voltage of the internal circuit of the device can be obtained through the corresponding reading of the pointer 18 on the dial 22, and through the process, staff can master the voltage of the internal circuit of the device at any time, is beneficial to improving the practicability of the device.
To sum up: when the waterproof junction box is used, firstly, the clamping groove matched with the clamping strip 2 is formed in the back plate 5, the clamping strip 2 and the clamping groove encircle the shell 1 or the back plate 5 for a circle, when the device is installed, the first sealing ring 3 on the shell 1 is tightly attached to the second sealing ring 4 on the back plate 5, so that the installation gap keeps high tightness, rainwater can be prevented from penetrating into the device through the gap, the wire inlet 6 and the wire outlet at the front end and the rear end of the shell 1 are both arranged to be downward with negative angles, rainwater can be prevented from flowing in from the wire inlet and outlet, through the process, the device can prevent the rainwater from entering the device, the outer part of the wire inlet 6 is provided with an outer wire matched with an inner wire of the inner wire block 11, when a worker is connected, the cable can sequentially pass through the inner wire block 11, the rubber ring 9 and the wire inlet 6, and then the inner wire block 11 is rotated after the connection is completed, the device can prevent the cable from shaking and loosening, the first connection bar 801 is a positive electrode or a live wire connection position, the second connection bar 23 is a negative electrode or a zero wire connection position, when the connection of a user is completed, the first connector 14 at the left side of the voltage box 13 can be connected to the copper lug of the first connection bar 801 before the combination of the shell 1 and the backboard 5, the second connector 15 is connected to the copper lug of the second connection bar 23, if current passes through the circuit, the current can rotate the coil 20 according to the electromagnetic induction principle, the larger the voltage is, the larger the rotating torque is, the spring 19 can limit the rotation of the device, and the larger the torsion force is, the more the rotation angle is, so that the more the rotation angle of the pointer 18 is driven by the spring, the voltage of the internal circuit of the device can be obtained through the corresponding reading of the pointer 18 on the dial 22, and through the process, a worker can master the voltage of the internal circuit of the device at any time, so that the working principle of the waterproof junction box is realized.
Claims (8)
1. The utility model provides a waterproof terminal box, includes casing (1) and inlet wire (6), its characterized in that, the left side of casing (1) is provided with card strip (2), the left side of card strip (2) is provided with sealing washer one (3), and sealing washer one (3) are bonding with card strip (2), the left side of sealing washer one (3) is provided with sealing washer two (4), the outside of sealing washer two (4) is provided with backplate (5), and backplate (5) are bonding with sealing washer two (4), inlet wire (6) are installed in the front end of casing (1).
2. The waterproof junction box according to claim 1, wherein a wiring lug (7) is arranged at the upper right end of the back plate (5), a wiring row assembly (8) is arranged at the lower end of the wiring lug (7), the wiring row assembly (8) comprises a wiring row one (801) and a set screw (802), the set screw (802) is arranged on the right side of the wiring row one (801), and a wiring row two (23) is arranged at the lower right end of the back plate (5).
3. The waterproof junction box according to claim 1, characterized in that the front end of the wire inlet (6) is provided with a rubber ring (9), and the inner side of the rubber ring (9) is provided with anti-skid threads (10).
4. A waterproof junction box according to claim 1, characterized in that the outside of the inlet (6) is provided with an inner wire block (11), and the outside of the inner wire block (11) is provided with an anti-slip strip (12).
5. The waterproof junction box according to claim 1, wherein a voltage box (13) is arranged inside the right wall of the casing (1), a first connector (14) is arranged at the upper left end of the voltage box (13), and a second connector (15) is arranged at the lower left end of the voltage box (13).
6. A waterproof junction box according to claim 5, characterized in that the inner left wall of the voltage box (13) is provided with magnets (16) and the inner right wall of the voltage box (13) is provided with a turning bar (17).
7. A waterproof junction box according to claim 6, characterized in that the upper end of the rotating rod (17) is provided with a pointer (18), and the left side of the rotating rod (17) is provided with a spring (19), and the left side of the spring (19) is provided with a coil (20).
8. The waterproof junction box according to claim 5, wherein an acrylic sheet (21) is provided inside the upper end of the right wall of the voltage box (13), and a dial (22) is provided inside the upper wall of the voltage box (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223321442.5U CN218997624U (en) | 2022-12-06 | 2022-12-06 | Waterproof junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223321442.5U CN218997624U (en) | 2022-12-06 | 2022-12-06 | Waterproof junction box |
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| Publication Number | Publication Date |
|---|---|
| CN218997624U true CN218997624U (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223321442.5U Active CN218997624U (en) | 2022-12-06 | 2022-12-06 | Waterproof junction box |
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| CN (1) | CN218997624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118018086A (en) * | 2024-04-10 | 2024-05-10 | 广州龙之音电子科技有限公司 | ZIGBEE technology-based signal amplifier |
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2022
- 2022-12-06 CN CN202223321442.5U patent/CN218997624U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118018086A (en) * | 2024-04-10 | 2024-05-10 | 广州龙之音电子科技有限公司 | ZIGBEE technology-based signal amplifier |
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