Flip type junction box

Abstract

The utility model discloses a flip type junction box, comprising a box body and a cover body, the box body is rotatably connected with the cover body, a deconcentrator is installed in the box body, the deconcentrator comprises a lead terminal and a crimping member, the lead terminal is provided with a first opening for insertion of a cable, and the crimping member is provided with a second opening for insertion of the cable. A cable is inserted into the lead terminal through the first opening, the lead terminal is provided with a second opening matched with the crimping part, the crimping part penetrates through the second opening to be inserted into the lead terminal to be connected with a metal pressing block, and the crimping part is limited on the lead terminal through the metal pressing block. And the crimping piece is in threaded connection with the second opening, and the crimping piece is stressed to do spiral motion with the second opening and drive the metal pressing block to do up-and-down motion relative to the lead terminal so as to loosen or compress the cable.

Description

Technical Field

[0001] The present application relates to the technical field of cable branching, and more specifically to a flip-top branching box. Background Art

[0002] Cables are a general term for items such as optical cables and electric cables. When installing and arranging cables, they need to be sorted out to change the direction of the original cables and realize power or signal transmission. This process requires the use of junction boxes. Junction boxes are the terminals of distribution cables or optical cables. They connect distribution cables or optical cables and user line parts and branch the main lines, which plays an important role. Traditional junction boxes output multiple currents or data signals from the connected cables through shunt converters, and then transmit them to the required equipment through branch lines. The existing junction box shell is composed of a box body and a cover body. The box body and the cover body are split structures. The box body and the upper and lower covers of the box cover are combined and locked by self-tapping screws or screws. The size of the locking force is installed and matched according to the tightening degree of the individual. After multiple disassembly and assembly, the service life of the shell will be reduced, the error of the screw hole position at the matching point will become larger and larger, and the fixation will be unreliable. In addition, the use of screws for installation will cause the screws to be easily lost, the installation alignment is difficult, and the assembly is cumbersome. In response to the above problems, a utility model patent with publication number: CN207200199U discloses a metal junction box, including a base, a top cover, a guide rail, a module body, an introduction mechanism, a lead-out mechanism, a gray head module, a limit mechanism, an introduction sealing ring, a lead-out sealing ring, an unlocking mechanism, a locking mechanism and a supporting mechanism; in this technical scheme, by arranging a movable connection between the base and the top cover, the top cover can be flipped relative to the base, thereby forming a flip-type junction box, and the flipping opening and closing method enhances the integration of components and reduces the separation caused by disassembly. However, the current junction box mostly uses bolts to tighten the cable ends for fixing, so that the cables can be branched and used, but the existing bolts are easy to lose during the disassembly and assembly process, and the excessive tightening force of the bolts can easily damage the cables and the base, resulting in inconvenience in use. Utility Model Content

[0003] The technical problem to be solved by the present application is to provide a flip-top junction box, which strengthens the integration of components and reduces the separation caused by disassembly by providing a box body and a cover body that can rotate relative to each other. In addition, a crimping piece is provided to cooperate with a lead terminal thread. The crimping piece presses the cable end through a metal pressing block and is limited in the lead terminal through the metal pressing block, which can prevent the cable and the box body from being damaged by excessive pressing force and can also avoid the loss of the crimping piece.

[0004] The present application provides a flip-top junction box, comprising a box body and a cover body, wherein the box body is rotatably connected to the cover body, a wire splitter is installed in the box body, the wire splitter comprises a lead terminal and a crimping piece, the lead terminal is provided with a first opening for inserting a cable, the cable is inserted into the lead terminal through the first opening, a second opening adapted to the crimping piece is provided on the lead terminal, the crimping piece is inserted into the lead terminal through the second opening and is connected to a metal pressing block, the crimping piece is limited on the lead terminal by the metal pressing block, the crimping piece is threadedly connected to the second opening, the crimping piece is subjected to force to make a spiral motion with the second opening and drive the metal pressing block to move up and down relative to the lead terminal, thereby loosening or tightening the cable.

[0005] In the technical scheme, a box body and a cover body that are rotatably connected are provided, so that the cover body and the box body can be opened and closed by rotation, and the rotational opening and closing is more labor-saving and convenient for the maintenance of the junction box, and the rotational opening and closing method strengthens the integration of parts and components and reduces the separation caused by disassembly; a wire splitter is installed in the box body, and the connected cables are output into multiple currents or data signals through the wire splitter, and the wire splitter includes a lead terminal and a crimping piece installed on the lead terminal, a first opening is provided on the lead terminal, and the cable entering the box body passes through the first opening to enter the lead terminal, and a second opening is provided on the lead terminal, and the crimping piece passes through The second opening enters the lead terminal and is connected to a metal pressing block. The crimping piece is limited in the lead terminal by the metal pressing block, which improves the connection reliability between the crimping piece and the lead terminal and prevents the crimping piece from being lost during the disassembly and assembly process. The crimping piece is arranged to be threadedly connected to the second opening. The crimping piece can make a linear motion up and down relative to the lead terminal through the spiral. The crimping piece can drive the metal pressing block to move synchronously. The crimping piece uses the metal pressing block to press or loosen the cable entering the lead terminal. The contact surface between the metal pressing block and the cable is larger and the fit is better, thereby improving the pressing efficiency. When the crimping piece is subjected to force and makes a spiral motion, the crimping piece is screwed to the second opening. The groove structure converts rotational motion into linear motion. The crimping piece moves upward relative to the lead terminal, and the metal pressing block moves upward synchronously with the crimping piece, so that the gap between the metal pressing block and the inner bottom surface of the lead terminal becomes larger, so that the cable can be inserted or removed. When the crimping piece moves upward until the metal pressing block abuts against the inner top surface of the lead terminal, the crimping piece and the metal pressing block both reach the maximum upward displacement. The crimping piece is limited on the lead terminal by the metal pressing block to prevent the crimping piece from being separated from the lead terminal due to excessive spiral degree. When the crimping piece is subjected to force to make reverse spiral motion, the crimping piece moves downward relative to the lead terminal. The metal pressing block moves downward synchronously with the crimping piece, so that the gap between the metal pressing block and the inner bottom surface of the lead terminal becomes smaller, so that the cable in the lead terminal is pressed against the inner bottom surface of the lead terminal by the metal pressing block. When the crimping piece moves downward until the metal pressing block abuts against the inner bottom surface of the lead terminal, the crimping piece and the metal pressing block both reach the maximum downward displacement. The size of the bottom surface of the metal pressing block is large, which is not easy to damage the inner bottom surface of the lead terminal and the cable, thereby increasing the service life. In addition, the structure of the crimping piece connecting the metal pressing block improves the integration of components, and the crimping piece is not easy to be lost. At the same time, it improves work efficiency and reduces the difficulty of cable installation.

[0006] As an improvement, the first opening extends outward to form a lead channel, and the lead channel guides the cable, and the cable passes through the first opening and enters the lead terminal through the lead channel. In this technical solution, by providing a lead channel formed by extending outward from the first opening, the lead channel is connected to the first opening, and the cable passes through the first opening into the lead channel. The lead channel can guide the cables in an orderly manner, making the cables concentrated and compact, avoiding the cables from being randomly inserted into the lead terminal, and improving the lead efficiency.

[0007] As an improvement, the lead-in channel is in a trumpet structure; the lead-in channel includes a first channel and a second channel, the first channel is located outside the second channel, the inner diameter of the first channel is larger than the inner diameter of the second channel, and a transition chamfer is provided at the junction of the first channel and the second channel. In this technical solution, the lead-in channel is set as a trumpet structure, and the lead-in channel makes the cables more concentrated and compact by reducing the aperture, thereby improving the lead-in efficiency; the lead-in channel is set to consist of a first channel and a second channel, the first channel is set outside and has a larger inner diameter, and the second channel is set inside and has a smaller inner diameter. The cables pass through the first opening and first enter the first channel for concentration. The first channel with a larger inner diameter is more convenient for cable insertion, thereby improving assembly efficiency. The cables enter the second channel through the first channel, and the second channel with a smaller inner diameter makes the cables more concentrated and compact, and has a better guiding and regularizing effect on the cables. By setting a transition chamfer at the junction of the first channel and the second channel, the cables can enter the second channel more smoothly through the transition chamfer, thereby preventing cable jams, wire warping, etc., thereby improving the lead-in efficiency.

[0008] As an improvement, the bottom corner of the metal pressing block is set as a rounded structure. In this technical solution, the crimping piece uses the metal pressing block to compress or loosen the cable in the lead terminal. The metal pressing block fits the cable through the bottom surface. The metal pressing block is generally a square structure. By setting the joint between the bottom surface and the side wall of the metal pressing block as a rounded structure, the transition is smoother. When the cable is pressed by the metal pressing block, it will contact the rounded structure. The rounded structure will not damage the cable and can prevent the tangent phenomenon when the metal pressing block and the cable are joined.

[0009] As an improvement, the box body and the cover body are rotatably connected by a hinge, and the cover body can be flipped open and closed relative to the box body by the hinge. A lock is provided between the box body and the cover body, and the lock is distributed on the opposite side of the hinge. The box body and the cover body are locked or unlocked by the lock. In the present technical solution, a hinge is provided to realize a rotatable connection between the box body and the cover body, and the hinge combines the box body and the cover body from a separate structure into an integral structure, thereby strengthening the integration of parts and components, reducing the separation caused by disassembly, and making the structure more reliable. The box body and the cover body are rotatably matched by the hinge. After the box body is placed, it is in a positioned state, and the cover body can be subjected to force by making a 0-180° circular motion relative to the box body through the hinge, so that the box body and the cover body can be opened and closed without screws. The structure is simple and reliable, and the hinge is a detachable and replaceable component, which is fixed to the box body and the cover body respectively by M3 countersunk screws; the box body and the cover body are provided with a hinge. The cover is locked or unlocked by the lock buckle, and the lock buckle is arranged on the opposite side of the hinge. The overall structural distribution is more reasonable, and the locking effect of the lock buckle is more balanced and the locking efficiency is higher. When the cover body is rotated to completely cover the box body through the hinge, the cover body and the box body can be locked by applying force to the lock buckle. At this time, the cover body cannot be rotated and opened relative to the box body. The cover body and the box body can be unlocked by applying force to the lock buckle again. At this time, the cover body can be rotated and opened relative to the box body. The lock buckle has a simple structure, and locking the cover body and the box body by the lock buckle is more reliable and labor-saving. In addition, the lock buckle in this solution is preferably a stainless steel spring lock buckle, which has the advantages of corrosion resistance and high temperature resistance.

[0010] As an improvement, the lock buckle includes a lock hook arranged on the cover body and a lock body arranged on the box body, and two lock buckles are symmetrically arranged, the lock hook is arranged near the corner of the cover body, and the lock body is arranged near the corner of the box body. In the technical scheme, the lock buckle is composed of a lock hook and a lock body, the lock hook is installed on the cover body, and the lock body is installed on the box body, and the lock is achieved by the lock hook and the lock body being buckled together. The structure is simple and reliable, and two symmetrically distributed lock hooks are arranged, so that the locking effect is more balanced and the locking efficiency is higher, and the two lock hooks are correspondingly arranged at the two corners of the cover body, and the two lock bodies are correspondingly arranged at the two corners of the box body, so that the gaps at the corners are eliminated, so that the pressing effect at the corners is better, and the pressing force of the four corners of the entire junction box is more balanced, so that the covering and sealing effect of the cover body and the box body is better; in the present application, the installation positions of the lock hook and the lock body can be interchanged, that is, the lock hook is installed on the box body, and the lock body is installed on the cover body, the principle is the same, and multiple lock buckles can be arranged.

[0011] As an improvement, a perspective panel is provided on the cover; the perspective panel is an acrylic plate; and a friction damping pad is installed at the bottom of the box body. In the present technical solution, the box body and the cover body are preferably made of ABS plastic material. ABS plastic material has the advantages of light weight, low cost, easy manufacturing and molding, strong flame retardancy, and resistance to friction and collision. By providing a perspective panel on the cover body, the situation inside the junction box can be directly observed through the perspective panel, and the fuse, positive and negative poles, cable short circuit, cable break, etc. in the box body can be clearly observed, so that the cable connection, parts, etc. can be inspected and repaired more conveniently and quickly, thereby improving maintenance efficiency; the perspective panel is set to be an acrylic plate, and the acrylic plate has It has the advantages of being tough, durable, highly transparent, not easy to be scratched and deformed, and the acrylic board has sufficient strength and hardness to protect the components in the box body. This solution installs a friction shock-absorbing pad at the bottom of the box body, so that the junction box can be stably placed through the friction shock-absorbing pad whether it is placed flat or on its side, and is not prone to displacement up, down, left, and right. The friction shock-absorbing pad has a buffering and protective effect on the overall structure of the junction box, thereby increasing the overall service life. In this solution, the friction shock-absorbing pad is a rubber pad, which is fixed to the bottom of the box body by glue, and the installation is simple, firm, safe and reliable.

[0012] As an improvement, the wire splitter includes a base and a protective cover, the protective cover is installed on the base, a conductive metal and a fuse are installed on the base, the fuse is provided with pole feet of standard thickness, the lead terminal, the conductive metal and the fuse are all installed on the base and are located between the base and the protective cover. In this technical solution, a plurality of lead terminals are provided and evenly distributed on the base, each lead terminal is marked with a corresponding positive and negative pole to avoid misconnection of the wiring harness and reduce the occurrence of hidden dangers at work; the positive and negative wiring harnesses are used on the wire splitter, the positive pole is connected by connecting the conductive metal and the fuse, and the fuses are provided with pole feet of standard thickness, so that the fuses can be universally replaced without replacing them as a whole, and the specifications of the fuses are 5A, 10A, 20A, 30A, 40A, and the fuses also play a role in protection. The lead terminals have different sizes and diameters, so that wire harnesses of different specifications can be distinguished and can adapt to the connection of wire harnesses of various specifications. Lead terminals of different specifications are arranged from high to low, and are made of carbonate resistant material with strong flame retardancy, high temperature aging resistance and strong anti-interference. Each wire harness is effectively isolated to avoid the adverse effects of strong and weak electricity on signal shielding, transmission efficiency, control line interference, failure, etc., effectively solving the bad phenomena such as signal control.

[0013] As an improvement, the protective cover is a transparent protective cover; a fastener is provided between the protective cover and the base, the protective cover is provided with a first connection seat, the base is provided with a second connection seat, the fastener passes through the first connection seat and is threadedly connected with the second connection seat so that the protective cover is limited on the base. In this technical solution, the protective cover is set as a transparent protective cover, the protective cover is made of a transparent insulating material, the working state of the fuse can be directly observed through the transparent protective cover, so as to facilitate timely maintenance, a wiring harness connector is installed between the protective cover and the base, the protective cover can protect the wiring harness connector that has been fixed and connected, and the protective cover can prevent foreign matter or metal products from entering and causing short circuit accidents; the protective cover and the base are connected and fixed by fasteners, the protective cover is provided with a first connection seat adapted to the fastener, the base is provided with a second connection seat adapted to the fastener, the second connection seat is threadedly matched with the fastener, the fastener passes through the first connection seat and is threadedly connected and fixed with the second connection seat, so that the protective cover is limited on the base, and the threaded connection structure is simple and reliable.

[0014] As an improvement, a limiting member is arranged between the first connecting seat and the second connecting seat, the fastener is provided with a smooth section and a threaded section, the limiting member is provided with a first internal thread adapted to the threaded section, the limiting member is rotated to the smooth section through the first internal thread in cooperation with the threaded section to limit the fastener on the protective cover, and the second connecting seat is provided with a second internal thread adapted to the threaded section. In the present technical solution, the fastener is a new bolt structure, the fastener is provided with a smooth section and a threaded section, a first internal thread is provided on the limit piece, the fastener passes through the first connecting seat to connect to the limit piece, the first internal thread and the threaded section cooperate to enable the square gasket to be rotated to the smooth section, so that the fastener can be limited on the protective cover through the limit piece, and the fastener is not easy to lose, and by providing a second internal thread on the second connecting seat, the fastener passes through the first connecting seat and the limit piece in sequence to connect to the second connecting seat, and the fastener is connected and fixed to the second connecting seat through the second internal thread and the threaded section cooperate, during the disassembly and assembly process, it is only necessary to detach the fastener from the second connecting seat, and there is no need to remove the fastener from the first connecting seat, so that the protective cover can be removed from the base, the fastener is limited on the protective cover and is not easy to lose, thereby reducing the process steps for installing components, being more convenient, quick, clear and simple.

[0015] As an improvement, a sealing ring is provided on the cover body, and the cover body is abutted and covered with the box body through the sealing ring; a step is provided on the top of the box body, and a groove for accommodating the step is provided on the cover body. In this technical solution, by providing a sealing ring on the cover body, the cover body can be sealed and covered with the box body through the sealing ring, and the cover body and the box body are tightly matched through the sealing ring, which greatly improves the sealing efficiency of the junction box; on the other hand, a step is provided on the top of the box body and a groove is provided on the cover body. After the box body and the cover body are covered, the step and the groove cooperate to achieve the purpose of waterproofing. The step and the groove cooperate to make the junction box reach the waterproof grade IP6-7, and the waterproof performance is good.

[0016] As an improvement, the box body is provided with a wire passing port, and a waterproof joint is installed in the wire passing port; a sub-bracket is installed between the wire passing port and the demarcator, and a plurality of L-shaped support strips are arranged at intervals on the sub-bracket. In the technical scheme, a wire passage for passing cables is provided on the box body, and the cables pass through the wire passage to enter and exit the box body. The overall waterproof performance is improved by installing a waterproof connector at the wire passage. The waterproof connector is mainly composed of a tightening cap, a tightening ring, a main body, a sealing ring, and a nut. The cables entering the box body are clamped and fixed by the waterproof connector, which is waterproof, dustproof, and prevents foreign objects from entering the box body, thereby reducing the aging speed of electronic components. In the present application, the corresponding waterproof connector can be replaced according to the wire diameter size of different wiring harnesses, and the versatility is high; by installing a sub-bracket in the box body, and the sub-bracket is located between the wire passage and the demarcator, the sub-bracket can guide, turn, and assist in supporting the cable harness, and a plurality of L-shaped support strips are arranged at intervals on the sub-bracket, and an adjustment space for accommodating the cable harness is formed between adjacent L-shaped support strips, so that the harness will not be entangled with each other due to being too long, nor will it be unable to connect to the lead terminal due to being too short; the present application also provides a wire hook on the inner side wall of the box body, which is suitable for thinner and smaller quick connectors to connect the lead terminal from the side wall, thereby improving versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the junction box of this application when the cover is closed.

[0018] Figure 2 This is a three-dimensional structural schematic diagram of the junction box of the present application when the cover is closed from another angle.

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the junction box of this application when it is opened.

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the junction box of this application when it is opened.

[0021] Figure 5 For this application Figure 4 A local enlarged schematic diagram of point A in the middle.

[0022] Figure 6 It is a schematic diagram of the three-dimensional structure of the lead terminal in this application.

[0023] Figure 7 This is a schematic diagram of the exploded structure of the splitter in this application.

[0024] As shown in the figure: 1. Box body; 11. Friction shock pad; 12. Step; 13. Waterproof joint; 14. Sub-bracket; 141. L-shaped support bar; 15. Wire hook; 2. Cover body; 21. Perspective panel; 22. Sealing ring; 23. Groove; 3. Lead terminal; 31. First opening; 32. Second opening; 33. Lead channel; 331. First channel; 332. Second channel; 333. Transition chamfer; 4. Crimping piece; 41. Metal pressing block; 411. Rounded corner structure; 5. Hinge; 6. Lock buckle; 61. Lock hook; 62. Lock body; 7. Base; 71. Second connecting seat; 711. Second internal thread; 72. Conductive metal; 73. Safety plate; 8. Protective cover; 81. First connecting seat; 9. Fastener; 91. Smooth section; 92. Threaded section; 10. Limiting piece; 101. First internal thread. DETAILED DESCRIPTION

[0025] In order to better understand the present application, a more detailed description of various aspects of the present application will be made with reference to the accompanying drawings. It should be understood that these detailed descriptions are only descriptions of exemplary embodiments of the present application, and do not limit the scope of the present application in any way. Throughout the specification, the same figure numerals refer to the same elements.

[0026] In the drawings, the thickness, size and shape of objects have been slightly exaggerated for ease of explanation. The drawings are only examples and are not drawn strictly to scale.

[0027] It should also be understood that the terms “comprises,” “including,” “has,” “contains,” and “comprising,” when used in this specification, indicate the presence of the described features, integers, steps, operations, elements, and / or parts, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, parts, and / or combinations thereof.

[0028] like Figures 1 to 7As shown, the present application discloses a flip-top junction box, comprising a box body 1 and a cover body 2, wherein the box body 1 is rotatably connected to the cover body 2, so that the cover body 2 and the box body 1 can be opened and closed by rotation, and the rotational opening and closing is more labor-saving and convenient for the maintenance of the junction box, and the rotational opening and closing method strengthens the integration of components and reduces the separation caused by disassembly; a wire splitter is installed in the box body 1, and the connected cables are output into multiple current or data signals through the wire splitter, and the wire splitter comprises a lead terminal 3 and a crimping piece 4, and the lead terminal 3 is provided with a first opening 31 for the cable to be inserted, and the cable is inserted into the lead terminal 3 through the first opening 31, and the lead terminal 3 is provided with a second opening 32 adapted to the crimping piece 4, The crimping piece 4 passes through the second opening 32 and is inserted into the lead terminal 3 and is connected to a metal pressing block 41. The crimping piece 4 is limited on the lead terminal 3 by the metal pressing block 41. The wire splitter includes the lead terminal 3 and the crimping piece 4 installed on the lead terminal 3. The lead terminal 3 is provided with a first opening 31. The cable entering the box body 1 passes through the first opening 31 and enters the lead terminal 3. The lead terminal 3 is provided with a second opening 32. The crimping piece 4 passes through the second opening 32 and enters the lead terminal 3 and is connected to the metal pressing block 41. The crimping piece 4 is limited in the lead terminal 3 by the metal pressing block 41, thereby improving the connection reliability between the crimping piece 4 and the lead terminal 3 and preventing the crimping piece 4 from being lost during the disassembly and assembly process.

[0029] The crimping piece 4 is threadedly connected with the second opening 32. The crimping piece 4 is subjected to force to make a spiral motion with the second opening 32 and drive the metal pressing block 41 to move up and down relative to the lead terminal 3 to loosen or clamp the cable. The crimping piece 4 can make a linear motion up and down relative to the lead terminal 3 through the spiral. The crimping piece 4 can drive the metal pressing block 41 to move synchronously. The crimping piece 4 compresses or loosens the cable entering the lead terminal 3 through the metal pressing block 41. The contact surface of the metal pressing block 41 against the cable is larger and the fit is better, thereby improving the clamping efficiency.

[0030] When the crimping piece 4 is subjected to force and performs spiral motion, the crimping piece 4 converts the rotational motion into linear motion through the thread structure, and the crimping piece 4 moves upward relative to the lead terminal 3, and the metal pressing block 41 moves upward synchronously with the crimping piece 4, so that the gap between the metal pressing block 41 and the inner bottom surface of the lead terminal 3 becomes larger, so that the cable can be inserted or removed;

[0031] When the crimping member 4 moves upward until the metal pressing block 41 abuts against the inner top surface of the lead terminal 3, the crimping member 4 and the metal pressing block 41 both reach the maximum upward displacement, and the crimping member 4 is limited on the lead terminal 3 by the metal pressing block 41 to prevent the crimping member 4 from being separated from the lead terminal 3 due to excessive spiral degree;

[0032] When the crimping piece 4 is forced to make a reverse spiral motion, the crimping piece 4 moves downward relative to the lead terminal 3, and the metal pressing block 41 moves downward synchronously with the crimping piece 4, so that the gap between the metal pressing block 41 and the inner bottom surface of the lead terminal 3 becomes smaller, so that the cable in the lead terminal 3 is pressed tightly against the inner bottom surface of the lead terminal 3 by the metal pressing block 41;

[0033] When the crimping piece 4 moves downward until the metal pressing block 41 abuts against the inner bottom surface of the lead terminal 3, the crimping piece 4 and the metal pressing block 41 both reach the maximum downward displacement. The bottom surface of the metal pressing block 41 is relatively large, which is not easy to damage the inner bottom surface of the lead terminal 3 and the cable, thereby increasing the service life. In addition, the structure of the crimping piece 4 connecting the metal pressing block 41 improves the integration of components, and the crimping piece 4 is not easy to be lost. At the same time, it improves work efficiency and reduces the difficulty of cable installation.

[0034] More specifically, Figure 4 and Figure 5 As shown, the first opening 31 extends outward to form a lead channel 33, and the lead channel 33 guides the cable. The cable passes through the first opening 31 and enters the lead terminal 3 through the lead channel 33. The lead channel 33 formed by extending outward from the first opening 31 is arranged, and is communicated with the first opening 31. The cable passes through the first opening 31 and enters the lead channel 33. The lead channel 33 can guide the cables in an orderly manner, so that the cables are concentrated and compact, and the cables are prevented from being randomly inserted into the lead terminal 3, thereby improving the lead efficiency.

[0035] More specifically, Figure 4 and Figure 5 As shown, the lead-in channel 33 is in a horn-shaped structure. The lead-in channel 33 is set to a horn-shaped structure. The lead-in channel 33 makes the cable more concentrated and compact by reducing the aperture, thereby improving the lead-in efficiency. The lead-in channel 33 includes a first channel 331 and a second channel 332. The first channel 331 is located outside the second channel 332. The inner diameter of the first channel 331 is greater than the inner diameter of the second channel 332. The lead-in channel 33 is composed of the first channel 331 and the second channel 332. The first channel 331 is arranged outside and has a larger inner diameter, and the second channel 332 is arranged inside and has a smaller inner diameter. The cables pass through the first opening 31 and first enter the first channel 331 for concentration. The first channel 331 with a larger inner diameter is more convenient for cable insertion, which improves assembly efficiency. The cables enter the second channel 332 through the first channel 331. The second channel 332 with a smaller inner diameter makes the cables more concentrated and compact, and has better guiding and regular effects on the cables. A transition chamfer 333 is provided at the junction of the first channel 331 and the second channel 332, so that the cables can enter the second channel 332 more smoothly through the transition chamfer 333, thereby preventing cable jams, wire curling, etc., and improving lead-in efficiency.

[0036] More specifically, Figure 4 As shown, the bottom corner of the metal pressing block 41 is set as a rounded structure 411. The crimping piece 4 uses the metal pressing block 41 to compress or loosen the cable in the lead terminal 3. The metal pressing block 41 fits the cable through the bottom surface. The metal pressing block 41 is generally a square structure. By setting the joint between the bottom surface and the side wall of the metal pressing block 41 as a rounded structure 411, the transition is smoother. When the cable is compressed by the metal pressing block 41, it will contact the rounded structure 411. The rounded structure 411 will not damage the cable and can prevent the tangent phenomenon when the metal pressing block 41 is joined to the cable.

[0037] More specifically, Figure 1 and Figure 3 As shown, the box body 1 and the cover body 2 are rotatably connected by a hinge 5, and the cover body 2 can be flipped open and closed relative to the box body 1 through the hinge 5. The box body 1 and the cover body 2 are rotatably connected by the hinge 5. The hinge 5 combines the box body 1 and the cover body 2 from separate structures into an integral structure, which strengthens the integration of parts and components, reduces the separation caused by disassembly, and makes the structure more reliable. The box body 1 and the cover body 2 are rotatably matched by the hinge 5. After the box body 1 is placed, it is in a positioned state. The cover body 2 can be subjected to a force and make a 0-180° circular motion relative to the box body 1 through the hinge 5, so that the box body 1 and the cover body 2 can be opened and closed without screws. The structure is simple and reliable, and the hinge 5 is a detachable and replaceable component, and is fixed to the box body 1 and the cover body 2 respectively with M3 countersunk screws.

[0038] More specifically, Figure 2 and Figure 3 As shown, a lock buckle 6 is provided between the box body 1 and the cover body 2, and the lock buckle 6 is distributed on opposite sides of the hinge 5, so that the overall structural distribution is more reasonable, and the locking effect of the lock buckle 6 is more balanced and the locking efficiency is higher. The box body 1 and the cover body 2 are locked or unlocked by the lock buckle 6. When the cover body 2 is rotated to completely cover the box body 1 through the hinge 5, the cover body 2 and the box body 1 can be locked by applying force to the lock buckle 6. At this time, the cover body 2 cannot be rotated and opened relative to the box body 1. The cover body 2 and the box body 1 can be unlocked by applying force to the lock buckle 6 again. At this time, the cover body 2 can be rotated and opened relative to the box body 1. The lock buckle 6 has a simple structure, and locking the cover body 2 and the box body 1 by the lock buckle 6 is more reliable and labor-saving. In addition, in this scheme, the lock buckle 6 is preferably a stainless steel spring lock buckle 6, which has the advantages of corrosion resistance and high temperature resistance.

[0039] More specifically, Figure 2 and Figure 3As shown, the lock buckle 6 includes a lock hook 61 arranged on the cover body 2 and a lock body 62 arranged on the box body 1. The lock buckle 6 is symmetrically provided with two lock hooks 6. The lock buckle 6 is composed of the lock hook 61 and the lock body 62. The lock hook 61 is installed on the cover body 2 and the lock body 62 is installed on the box body 1. The lock is achieved by the lock hook 61 and the lock body 62 being engaged with each other. The structure is simple and reliable. Two symmetrically distributed lock hooks 61 are provided, so that the locking effect is more balanced and the locking efficiency is higher. The lock hook 61 is arranged near the corner of the cover body 2, and the lock body 62 is arranged near the corner of the box body 1. Corner setting, the two lock hooks 61 are correspondingly set at the two corners of the cover body 2, and the two lock bodies 62 are correspondingly set at the two corners of the box body 1, the gaps at the corners are eliminated, the clamping effect at the corners is better, and the clamping force at the four corners of the entire junction box is more balanced, so that the covering and sealing effect of the cover body 2 and the box body 1 is better; in the present application, the installation positions of the lock hook 61 and the lock body 62 can be interchanged, that is, the lock hook 61 is installed on the box body 1, and the lock body 62 is installed on the cover body 2, the principle is the same, and multiple lock buckles 6 can be set.

[0040] More specifically, Figure 1 As shown, a perspective panel 21 is provided on the cover body 2, and the box body 1 and the cover body 2 are preferably made of ABS plastic material. ABS plastic material has the advantages of light weight, low cost, easy manufacturing and easy molding, strong flame retardancy, and resistance to friction and collision. By arranging the perspective panel 21 on the cover body 2, the situation in the junction box can be directly observed through the perspective panel 21, and the fuse piece 73, positive and negative poles, cable short circuit, cable breakage, etc. in the box body 1 can be clearly observed, so that the cable connection, parts, etc. can be inspected and repaired more conveniently and quickly, thereby improving maintenance efficiency; the perspective panel 21 is an acrylic board, and the acrylic board has the advantages of being tough, durable, highly transparent, not easy to be scratched and deformed, etc. The acrylic board has sufficient strength and hardness to protect the parts in the box body 1.

[0041] More specifically, Figure 2 As shown, a friction shock-absorbing pad 11 is installed at the bottom of the box body 1, so that the junction box can be stably placed through the friction shock-absorbing pad 11 whether it is placed flat or sideways, and it is not easy to produce up, down, left, and right displacement. The friction shock-absorbing pad 11 has a buffering and protective effect on the overall structure of the junction box, thereby improving the overall service life. In this solution, the friction shock-absorbing pad 11 is a rubber pad, and the friction shock-absorbing pad 11 is fixed to the bottom of the box body 1 by glue. The installation is simple, firm, safe and reliable.

[0042] More specifically, Figure 3 , Figure 4 , Figure 5 and Figure 7As shown, the splitter includes a base 7 and a protective cover 8, the protective cover 8 is installed on the base 7, and a conductive metal 72 and a fuse 73 are installed on the base 7. A plurality of lead terminals 3 are arranged and evenly distributed on the base 7, and each lead terminal 3 has a corresponding positive pole and a negative pole to avoid wrong connection of the wiring harness and reduce the occurrence of hidden dangers at work; the splitter adopts a positive wiring harness and a negative wiring harness, and the positive pole is connected by connecting the conductive metal 72 and the fuse 73; the fuse 73 is provided with a pole foot of standard thickness, and the fuse 73 is provided with a pole foot of standard thickness, so that the fuse 73 can be universally replaced without replacing the whole, and the specifications of the fuse 73 are 5A, 10A, 20A, 30A, 40A, etc. The fuse 73 also plays a role in protecting circuits and electronic components to avoid danger, which is safer and more reliable.

[0043] More specifically, Figure 5 and Figure 7 As shown, the lead terminal 3, the conductive metal 72 and the fuse 73 are all installed on the base 7 and are located between the base 7 and the protective cover 8. The lead terminal 3 has different sizes and diameters, so that wire harnesses of different specifications can be distinguished and can adapt to the connection of wire harnesses of various specifications. The lead terminals 3 of different specifications are arranged from high to low, and are made of carbonate-resistant materials with strong flame retardancy, high temperature aging resistance and strong anti-interference. Each wire harness is effectively isolated to avoid the adverse effects of strong and weak electricity on signal shielding, transmission efficiency, control line interference, failure, etc., effectively solving the adverse phenomena such as signal control.

[0044] More specifically, the protective cover 8 is a transparent protective cover 8, which is made of a transparent insulating material. The working status of the fuse 73 can be directly observed through the transparent protective cover 8 to facilitate timely maintenance. A wiring harness connector is installed between the protective cover 8 and the base 7. The protective cover 8 can protect the fixedly connected wiring harness connector. The protective cover 8 can prevent foreign matter or metal objects from entering and causing a short circuit accident.

[0045] More specifically, Figure 7 As shown, a fastener 9 is provided between the protective cover 8 and the base 7, the protective cover 8 is provided with a first connecting seat 81, and the base 7 is provided with a second connecting seat 71. The fastener 9 passes through the first connecting seat 81 and is threadedly connected to the second connecting seat 71 so that the protective cover 8 is limited on the base 7. The protective cover 8 and the base 7 are connected and fixed by the fastener 9. The protective cover 8 is provided with a first connecting seat 81 adapted to the fastener 9, and the base 7 is provided with a second connecting seat 71 adapted to the fastener 9. The second connecting seat 71 is threadedly matched with the fastener 9. The fastener 9 passes through the first connecting seat 81 and is threadedly connected and fixed to the second connecting seat 71, thereby limiting the protective cover 8 on the base 7. The threaded connection structure is simple and reliable.

[0046] More specifically, Figure 7 As shown, a limiting member 10 is arranged between the first connecting seat 81 and the second connecting seat 71, the fastener 9 is provided with a smooth section 91 and a threaded section 92, the limiting member 10 is provided with a first internal thread 101 adapted to the threaded section 92, the limiting member 10 is rotated to the smooth section 91 through the first internal thread 101 and the threaded section 92 to limit the fastener 9 on the protective cover 8, the second connecting seat 71 is provided with a second internal thread 711 adapted to the threaded section 92, the fastener 9 is a new bolt structure, the fastener 9 is provided with a smooth section 91 and a threaded section 92, the first internal thread 101 is arranged on the limiting member 10, the fastener 9 passes through the first connecting seat 81 to connect the limiting member 10, and the square gasket is made by the first internal thread 101 and the threaded section 92. It can be rotated to the smooth section 91, so that the fastener 9 can be limited on the protective cover 8 through the limit piece 10, and the fastener 9 is not easy to be lost. By setting the second internal thread 711 on the second connecting seat 71, the fastener 9 passes through the first connecting seat 81 and the limit piece 10 in sequence to connect to the second connecting seat 71, and the fastener 9 is connected and fixed to the second connecting seat 71 through the cooperation of the second internal thread 711 and the threaded section 92. During the disassembly and assembly process, it is only necessary to detach the fastener 9 from the second connecting seat 71 without removing the fastener 9 from the first connecting seat 81, so that the protective cover 8 can be removed from the base 7. The fastener 9 is limited on the protective cover 8 and is not easy to be lost, which reduces the process steps of component installation and is more convenient, quick, clear and simple.

[0047] More specifically, Figure 3 As shown, a sealing ring 22 is provided on the cover body 2, and the cover body 2 is abutted and covered with the box body 1 through the sealing ring 22. By arranging the sealing ring 22 on the cover body 2, the cover body 2 can be sealed and covered with the box body 1 through the sealing ring 22. The cover body 2 and the box body 1 are tightly matched through the sealing ring 22, which greatly improves the sealing efficiency of the junction box; a step 12 is provided on the top of the box body 1, and a groove 23 for accommodating the step 12 is provided on the cover body 2. The step 12 is provided on the top of the box body 1 and the groove 23 is provided on the cover body 2. After the box body 1 and the cover body 2 are covered, the step 12 and the groove 23 cooperate to achieve the purpose of waterproofing. The step 12 and the groove 23 cooperate to make the junction box reach the waterproof grade IP6-7, and the waterproof performance is good.

[0048] More specifically, Figure 1As shown, a wire passing port is provided on the box body 1, and a waterproof connector 13 is installed at the wire passing port. The box body 1 is provided with a wire passing port for the cable to pass through, and the cable passes through the wire passing port to enter and exit the box body 1. The overall waterproof performance is improved by installing the waterproof connector 13 at the wire passing port. The waterproof connector 13 is mainly composed of a tightening cap, a tightening ring, a main body, a sealing ring 22, and a nut. The cable entering the box body 1 is clamped and fixed by the waterproof connector 13, which is waterproof, dustproof, and prevents foreign objects from entering the box body 1, thereby reducing the aging speed of electronic components. In addition, in the present application, the corresponding waterproof connector 13 can be replaced according to the wire diameter size of different wiring harnesses, and the versatility is high.

[0049] More specifically, Figure 3 As shown, a sub-bracket 14 is installed between the wire passing port and the splitter, and a plurality of L-shaped support strips 141 are arranged at intervals on the sub-bracket 14. By installing the sub-bracket 14 in the box body 1, and the sub-bracket 14 is located between the wire passing port and the splitter, the sub-bracket 14 can guide, turn, and assist in supporting the cable harness, and a plurality of L-shaped support strips 141 are arranged at intervals on the sub-bracket 14, and an adjustment space for accommodating the cable harness is formed between adjacent L-shaped support strips 141, so that the harness will not be entangled with each other due to being too long, nor will it be unable to connect to the lead terminal 3 due to being too short; the present application also provides a wire hook 15 on the inner side wall of the box body 1, and the wire hook 15 is suitable for connecting the lead terminal 3 from the side wall with a thinner and smaller quick connector, thereby improving versatility.

[0050] The present utility model is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in the shape or structure, all those having the same or similar technical solutions as the present application fall within the protection scope of the present utility model.

Claims

1. A flip-top junction box, comprising a box body (1) and a cover body (2), wherein the box body (1) and the cover body (2) are rotatably connected, and a junction box is installed in the box body (1), characterized in that: The wire splitter comprises a lead terminal (3) and a crimping piece (4); the lead terminal (3) is provided with a first opening (31) for inserting a cable; the cable is inserted into the lead terminal (3) through the first opening (31); the lead terminal (3) is provided with a second opening (32) adapted to the crimping piece (4); the crimping piece (4) is inserted into the lead terminal (3) through the second opening (32) and is connected to a metal pressing block (41); the crimping piece (4) is limited on the lead terminal (3) by the metal pressing block (41); the crimping piece (4) is threadedly connected to the second opening (32); the crimping piece (4) is subjected to force to make a spiral motion with the second opening (32) and drive the metal pressing block (41) to move up and down relative to the lead terminal (3) to loosen or tighten the cable.

2. A flip-top junction box according to claim 1, characterized in that: The first opening (31) extends outward to form a lead wire channel (33), and the lead wire channel (33) guides the cable. The cable passes through the first opening (31) and enters the lead terminal (3) through the lead wire channel (33).

3. A flip-top junction box according to claim 2, characterized in that: The lead-in channel (33) is in the form of a trumpet-shaped structure; the lead-in channel (33) comprises a first channel (331) and a second channel (332); the first channel (331) is located outside the second channel (332); the inner diameter of the first channel (331) is greater than the inner diameter of the second channel (332); and a transition chamfer (333) is provided at the junction of the first channel (331) and the second channel (332).

4. The flip-top junction box according to claim 1, characterized in that: The bottom corner of the metal pressing block (41) is arranged as a rounded corner structure (411).

5. The flip-top junction box according to claim 1, characterized in that: The box body (1) and the cover body (2) are rotatably connected via a hinge (5); the cover body (2) can be flipped open and closed relative to the box body (1) via the hinge (5); a lock (6) is provided between the box body (1) and the cover body (2); the lock (6) is arranged on opposite sides of the hinge (5); the box body (1) and the cover body (2) are locked or unlocked via the lock (6).

6. A flip-top junction box according to claim 5, characterized in that: The lock buckle (6) comprises a lock hook (61) arranged on the cover body (2) and a lock body (62) arranged on the box body (1). Two lock buckles (6) are symmetrically arranged, the lock hook (61) is arranged close to the corner of the cover body (2), and the lock body (62) is arranged close to the corner of the box body (1).

7. The flip-top junction box according to claim 1, characterized in that: The cover body (2) is provided with a perspective panel (21); the perspective panel (21) is an acrylic plate; and a friction damping pad (11) is installed at the bottom of the box body (1).

8. The flip-top junction box according to claim 1, characterized in that: The splitter comprises a base (7) and a protective cover (8), wherein the protective cover (8) is mounted on the base (7), a conductive metal (72) and a fuse (73) are mounted on the base (7), and the fuse (73) is provided with a pole foot of standard thickness, and the lead terminal (3), the conductive metal (72) and the fuse (73) are all mounted on the base (7) and are located between the base (7) and the protective cover (8).

9. The flip-top junction box according to claim 8, characterized in that: The protective cover (8) is a transparent protective cover (8); a fastener (9) is provided between the protective cover (8) and the base (7); the protective cover (8) is provided with a first connecting seat (81); the base (7) is provided with a second connecting seat (71); the fastener (9) passes through the first connecting seat (81) and is threadedly connected to the second connecting seat (71) so that the protective cover (8) is limited on the base (7).

10. The flip-top junction box according to claim 9, characterized in that: A limiting member (10) is arranged between the first connecting seat (81) and the second connecting seat (71); the fastener (9) is provided with a smooth section (91) and a threaded section (92); the limiting member (10) is provided with a first internal thread (101) adapted to the threaded section (92); the limiting member (10) is rotated to the smooth section (91) through the first internal thread (101) in cooperation with the threaded section (92) to limit the fastener (9) on the protective cover (8); and the second connecting seat (71) is provided with a second internal thread (711) adapted to the threaded section (92).

11. The flip-top junction box according to claim 1, characterized in that: The cover body (2) is provided with a sealing ring (22), and the cover body (2) is abutted and covered with the box body (1) through the sealing ring (22); the top of the box body (1) is provided with a step (12), and the cover body (2) is provided with a groove (23) for accommodating the step (12).

12. The flip-top junction box according to claim 1, characterized in that: The box body (1) is provided with a wire passing port, and a waterproof joint (13) is installed on the wire passing port; a sub-bracket (14) is installed between the wire passing port and the demarcator, and a plurality of L-shaped support strips (141) are arranged at intervals on the sub-bracket (14).

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