Piercing connection junction box
By designing a piercing connection junction box, a spring clip automatically pierces the wire sheath of the terminal wire to reach the core when the upper and lower covers are closed, solving the problems of complex wiring and the need for professional tools in traditional junction boxes, and achieving efficient and safe electrical connection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FOSHAN NUOMI INTELLIGENT PHOTOELECTRIC TECH CO LTD
- Filing Date
- 2025-04-02
- Publication Date
- 2026-04-28
AI Technical Summary
Traditional junction boxes involve complex wiring, require specialized tools, and are inefficient, affecting the stability and safety of electrical systems.
Design a piercing connection junction box that uses a spring clip to automatically pierce the wire insulation of the terminal wire when the upper and lower covers are closed, directly reaching the wire core to achieve electrical connection, simplifying the wiring steps and avoiding manual wire stripping.
It improves wiring efficiency, reduces labor and time costs, enhances wiring safety and reliability, and avoids the risk of poor contact or open circuit caused by manual wire stripping.
Smart Images
Figure CN224177874U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of power equipment technology, and in particular to a method for piercing a junction box. Background Technology
[0002] In the field of electrical connections, junction boxes are widely used as important components in various electrical systems to ensure the safe and efficient connection of wires. Traditional junction box designs typically involve complex wiring processes, including manually stripping the insulation from the wires, ensuring proper conductor connections, and securing them with fasteners. These steps require not only specialized skills and experience from the operators but also the use of specialized tools such as wire strippers and screwdrivers. Therefore, traditional junction boxes demand a high level of technical expertise from users in practical applications, and the entire wiring process is relatively time-consuming.
[0003] However, this traditional wiring method has several significant problems. First, manual wire stripping is not only inefficient but also prone to problems such as poor contact or open circuits due to improper operation, affecting the stability and safety of the electrical system. Second, relying on specialized tools for wiring limits the operational capabilities of non-professionals and increases maintenance and installation costs. Finally, the complex and time-consuming wiring process reduces overall work efficiency and fails to meet the demands of modern rapid deployment and efficient maintenance. These problems highlight the shortcomings of existing technology in terms of convenience, safety, and efficiency, necessitating a simpler and more efficient solution.
[0004] The purpose of this invention is to solve the problems of complex wiring, the need for professional tools, and low wiring efficiency of traditional junction boxes. Utility Model Content
[0005] The purpose of this utility model is to solve the problems of complex wiring, the need for professional tools, and low wiring efficiency of traditional junction boxes. This utility model adopts the following technical solution:
[0006] A piercing connection junction box includes a housing, the housing including a lower cover and an upper cover, the lower cover being snapped into the upper cover, the lower cover being used to hold the terminal wires to be connected, and at least one spring piece being installed inside the upper cover, the spring piece being used to pierce the wire sheath and wire core of the terminal wire to achieve the function of conducting electricity.
[0007] As described above, in a puncture connection junction box, the lower cover is provided with at least one terminal wire connection station, and handles are provided on both sides of the terminal wire connection station. Each handle is provided with a first mating part, and the upper cover is provided with a first connecting part that engages with the first mating part.
[0008] As described above, in a piercing connection junction box, a PCB board is installed inside the upper cover, the PCB board has a groove, and the spring is installed in the groove.
[0009] In the aforementioned method of piercing a junction box, the spring is provided with a second connecting part, and the PCB board is provided with a second mating part that engages with the second connecting part.
[0010] As described above, in a puncture connection junction box, the lower cover is provided with a wire groove, which is used to limit the terminal wire.
[0011] As described above, in a piercing connection junction box, the spring is provided with at least one insertion part, one end of which is a sharp corner, and the insertion part is used to pierce the wire sheath of the terminal wire and make contact with the wire core.
[0012] As described above, in a piercing connection junction box, the PCB board has a slot, and the lower cover has a plug that matches the shape of the slot.
[0013] As described above, in a puncture connection junction box, the upper cover has a groove for accommodating the terminal wire connection station.
[0014] In the above-described method of piercing a junction box, the first mating part is a locking block, the first connecting part is a locking groove, and the first connecting part engages with the locking block.
[0015] As described above, in a piercing connection junction box, the lower cover has through slots on both sides of the terminal wire wiring position.
[0016] Implementing the embodiments of this utility model has the following beneficial effects:
[0017] 1. In this utility model, a spring clip installed inside the upper cover automatically pierces the wire insulation of the terminal wire when the upper and lower covers are closed, directly reaching the wire core to achieve electrical connection, eliminating the need for pre-stripping and simplifying traditional wiring steps. This design not only greatly improves wiring efficiency, eliminating the need for professional tools and skills, and reducing labor and time costs, but also avoids the risk of poor contact or open circuit due to improper manual wire stripping, significantly improving the safety and reliability of wiring. Therefore, users can complete wiring work more quickly and safely.
[0018] In summary, this utility model solves the problems of complex wiring, the need for professional tools, and low wiring efficiency of traditional junction boxes. Attached Figure Description
[0019] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is an exploded view of a piercing connection junction box according to the present invention.
[0021] Figure 2 This is a schematic diagram of the overall structure of a piercing connection junction box according to the present invention.
[0022] Figure 3 yes Figure 2 A structural diagram from another angle.
[0023] Figure 4 This is a cross-sectional view of a piercing connection junction box according to the present invention.
[0024] Figure 5 This is a schematic diagram of the structure of a spring clip for piercing a junction box according to the present invention.
[0025] Figure 6 yes Figure 1 A magnified structural diagram of point A.
[0026] Figure 7 This is a schematic diagram of the structure of a PCB board for piercing a junction box according to the present invention.
[0027] As shown in the figure:
[0028] 1. Lower cover; 11. Handle; 12. Insert block; 13. Through groove; 14. Wire groove; 15. First mating part; 2. Upper cover; 21. Groove; 22. First connecting part; 23. PCB board; 231. Slot; 232. Second mating part; 233. Slot; 24. Spring; 241. Second connecting part; 242. Insertion part. Detailed Implementation
[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0030] like Figures 1 to 7As shown, this utility model proposes a piercing connection junction box, including a housing. The housing includes a lower cover 1 and an upper cover 2, which are snapped together. The lower cover 1 is used to hold the terminal wire to be connected. At least one spring piece 24 is installed inside the upper cover 2. The spring piece 24 is used to pierce the wire sheath and core of the terminal wire to achieve the function of conducting electricity. In use, the terminal wire to be connected is placed inside the lower cover 1. When the lower cover 1 and the upper cover 2 are snapped together and closed, the spring piece 24 inside the upper cover 2 will press down on the terminal wire accordingly. When the upper and lower covers are closed, the spring piece pierces the wire sheath and reaches the core of the terminal wire, thereby achieving electrical connection without the need for pre-stripping, simplifying the wire stripping step required in traditional wiring. This piercing connection junction box greatly improves wiring efficiency, making the wiring process free of professional tools and skills, reducing labor and time costs. By avoiding the traditional wire stripping process, it not only reduces the risk of poor contact or open circuit caused by improper wire stripping, but also improves the safety and reliability of wiring.
[0031] Furthermore, as a preferred embodiment of this utility model and not a limitation, the lower cover 1 is provided with at least one terminal wire connection station. Handles 11 are provided on both sides of each terminal wire connection station. Each handle 11 has a first mating part 15, and the upper cover 2 has a first connecting part 22 that engages with the first mating part 15. When the lower cover 1 and the upper cover 2 are securely engaged via the first mating part 15 on the handle 11 and the first connecting part 22 on the upper cover 2, the junction box is in a closed state, and the spring contact 24 maintains a good electrical connection with the terminal wire. When it is necessary to disengage this connection for wire removal or reuse, pressing the handles 11 on both sides of the terminal wire connection station disengages the first mating part 15 from the first connecting part 22, thereby releasing the engagement between the lower cover 1 and the upper cover 2. This action allows the user to easily open the junction box, thus conveniently removing or replacing the internal terminal wire. This design greatly facilitates user maintenance and repair work, making terminal wire removal and reuse simple and quick, requiring no additional tools and improving work efficiency.
[0032] Furthermore, as a preferred embodiment of this utility model and not a limitation, a PCB board 23 is installed inside the upper cover 2. The PCB board 23 has a groove 231, and the spring contact 24 is installed in the groove 231. The PCB board 23 has a specially designed groove 231 for precisely installing the spring contact 24. The design of the groove 231 ensures that the spring contact 24 can be accurately aligned with the terminal wire placed in the lower cover 1. When the upper and lower covers are closed, the spring contact 24, through its fixed position in the groove 231, accurately pierces the insulation sheath of the terminal wire and contacts the wire core, achieving electrical connection. The groove 231 not only provides a stable mounting base for the spring contact 24, but also ensures that each piercing operation is completed accurately by limiting the spring contact.
[0033] Furthermore, as a preferred embodiment of this utility model and not a limitation thereof, the spring contact 24 is provided with a second connecting portion 241, and the PCB board 23 is provided with a second mating portion 232 that engages with the second connecting portion 241. During assembly, the second connecting portion 241 of the spring contact 24 and the second mating portion 232 of the PCB board 23 precisely align and engage, achieving not only physical fixation but also ensuring the stability of the electrical connection. This mechanical locking mechanism effectively prevents the spring contact 24 from shifting or falling off during use, ensuring the consistency and reliability of the spring contact 24's piercing connection operation with the terminal wires.
[0034] Optionally, in some embodiments, the second connecting part 241 is a locking block, and the second mating part 232 is a locking groove.
[0035] Optionally, in some embodiments, the second connecting part 241 is a slot and the second mating part 232 is a locking block.
[0036] Furthermore, as a preferred embodiment of this utility model and not a limitation thereof, the lower cover 1 is provided with a wire groove 14, which is used to limit the terminal wires. When performing wiring operations, the user can place the terminal wires along a preset path in the wire groove 14 to ensure that each wire is accurately positioned. This design helps to maintain the neat arrangement and fixed position of the terminal wires, preventing problems such as wire crossing or misalignment during the closing of the upper and lower covers 1 or during puncturing the connection.
[0037] Furthermore, as a preferred embodiment of this utility model and not a limitation thereof, the spring contact 24 is provided with at least one insertion portion 242, one end of which is a sharp angle. The insertion portion 242 is used to pierce the insulation of the terminal wire and make contact with the wire core. When the upper and lower covers of the junction box are closed, the spring contact 24 is forced through the insertion portion 242 to align with the terminal wire placed in the lower cover 1. The sharp angle of the insertion portion 242 can accurately pierce the insulation of the terminal wire and reach the wire core, thereby achieving an electrical connection. The design of the insertion portion 242 with the sharp angle significantly improves the reliability and efficiency of wiring, avoids the tedious step of manually stripping the wire in traditional wiring methods, and reduces the risk of poor contact.
[0038] Furthermore, as a preferred embodiment of this utility model and not a limitation, the PCB board 23 has a slot 233, and the lower cover 1 is provided with a plug 12 that matches the shape of the slot 233. When assembling the junction box, the plug 12 on the lower cover 1 is accurately inserted into the slot 233 of the PCB board 23. This design ensures precise alignment and a stable connection between the lower cover and the PCB board, helps maintain the correct relative position between the spring contact 24 and other electrical components, thereby ensuring the reliability and stability of the electrical connection.
[0039] Furthermore, as a preferred embodiment of this utility model and not a limitation, the upper cover 2 has a groove 21 for accommodating the terminal wire connection position. When the upper and lower covers are closed, the terminal wire connection position on the lower cover 1 will be accurately embedded into the groove 21 of the upper cover 2. This design ensures precise alignment between the terminal wire connection position and the spring contact 24, allowing the spring contact to effectively pierce the insulation layer of the terminal wire and contact the wire core, thus achieving electrical connection. The groove 21 not only provides physical spatial matching but also serves as a guide and fixation mechanism, ensuring consistency and stability when the upper and lower covers are closed.
[0040] Furthermore, as a preferred embodiment of this utility model and not a limitation thereof, the first mating part 15 is a locking block, and the first connecting part 22 is a locking groove, with the first connecting part 22 engaging with the locking block. This locking block and locking groove design achieves a stable connection between the upper and lower covers through mechanical locking, ensuring that the junction box remains tightly fitted in the closed state and preventing loosening due to external force or vibration.
[0041] Optionally, in some embodiments, the locking block is provided with an inclined portion. The inclined portion design reduces the initial contact resistance between the locking block and the slot, making the closing operation of the upper and lower covers smoother.
[0042] Furthermore, as a preferred embodiment of this utility model and not a limitation, the lower cover 1 is provided with through slots 13 on both sides of the terminal wire wiring position. When it is necessary to remove the lower cover 1, these through slots allow the lower cover to undergo a certain deformation in this area. Specifically, by applying appropriate pressure or using a simple tool, the lower cover 1 can be slightly bent or deformed in the part with the through slots 13, thereby reducing the impact on the locking mechanism of the locking block and slot, making it easier to separate the upper and lower covers.
[0043] Example 1:
[0044] This utility model proposes a piercing connection junction box, including a shell with a lower cover 1 and an upper cover 2. The lower cover 1 and the upper cover 2 are snapped together. The lower cover 1 is used to hold the terminal wire to be connected. At least one spring 24 is installed inside the upper cover 2. The spring 24 is used to pierce the wire sheath and core of the terminal wire to achieve the function of conducting electricity. In use, the terminal wire to be connected is placed inside the lower cover 1. When the lower cover 1 and the upper cover 2 are snapped together and closed, the spring 24 inside the upper cover 2 will press down on the terminal wire accordingly. When the upper and lower covers are closed, the spring pierces the wire sheath and reaches the core of the terminal wire, thereby achieving electrical connection without the need for pre-stripping, simplifying the wire stripping step required in the traditional wiring process. This piercing connection junction box greatly improves wiring efficiency, making the wiring process free of professional tools and skills, reducing labor and time costs. By avoiding the traditional wire stripping process, it not only reduces the risk of poor contact or open circuit caused by improper wire stripping, but also improves the safety and reliability of wiring. The spring contact 24 is provided with at least one insertion portion 242, one end of which is a sharp angle. The insertion portion 242 is used to pierce the insulation of the terminal wire and make contact with the wire core. When the upper and lower covers of the junction box are closed, the spring contact 24 is forced through the insertion portion 242 to align with the terminal wire placed in the lower cover 1. The sharp angle of the insertion portion 242 can accurately pierce the insulation of the terminal wire and reach the wire core, thereby achieving an electrical connection. The design of the insertion portion 242 with the sharp angle significantly improves the reliability and efficiency of wiring, avoids the tedious step of manually stripping the wire in traditional wiring methods, and reduces the risk of poor contact.
[0045] The lower cover 1 has at least one terminal wire connection station, with handles 11 on both sides of each station. Each handle 11 has a first mating part 15, and the upper cover 2 has a first connecting part 22 that engages with the first mating part 15. When the lower cover 1 and upper cover 2 are securely engaged via the first mating part 15 on the handles 11 and the first connecting part 22 on the upper cover 2, the junction box is closed, and the spring contact 24 maintains a good electrical connection with the terminal wire. When it is necessary to disengage the connection for wire removal or reuse, pressing the handles 11 on both sides of the terminal wire connection station disengages the first mating part 15 from the first connecting part 22, thus releasing the engagement between the lower cover 1 and upper cover 2. This action allows the user to easily open the junction box and conveniently remove or replace the internal terminal wire. This design greatly facilitates user maintenance and repair, making terminal wire removal and reuse simple and quick, requiring no additional tools and improving work efficiency. The first mating part 15 is a locking block, and the first connecting part 22 is a locking groove, with the first connecting part 22 engaging with the locking block. This locking block and groove design achieves a stable connection between the upper and lower covers through mechanical locking, ensuring that the junction box remains tightly fitted when closed, preventing loosening due to external force or vibration. The locking block is provided with an inclined part. The inclined part design reduces the initial contact resistance between the locking block and the locking groove, making the closing operation of the upper and lower covers smoother.
[0046] A PCB board 23 is installed inside the upper cover 2. The PCB board 23 has a groove 231, and the spring contact 24 is installed in the groove 231. The specially designed groove 231 on the PCB board 23 is used for precise installation of the spring contact 24. The design of the groove 231 ensures that the spring contact 24 can be accurately aligned with the terminal wire placed in the lower cover 1. When the upper and lower covers are closed, the spring contact 24, through its fixed position in the groove 231, accurately pierces the insulation sheath of the terminal wire and contacts the wire core to achieve electrical connection. The groove 231 not only provides a stable mounting base for the spring contact 24, but also ensures that each piercing operation is completed accurately by limiting the spring contact. The spring contact 24 is provided with a second connecting part 241, and the PCB board 23 is provided with a second mating part 232 that engages with the second connecting part 241. The second connecting part 241 is a locking block, and the second mating part 232 is a locking groove. During assembly, the second connecting part 241 of the spring contact 24 precisely aligns and engages with the second mating part 232 of the PCB board 23, achieving not only physical fixation but also ensuring the stability of the electrical connection. This mechanical locking mechanism effectively prevents the spring contact 24 from shifting or falling off during use, ensuring the consistency and reliability of the spring contact 24's puncture connection operation with the terminal wires.
[0047] The lower cover 1 is provided with a wire groove 14, which is used to limit the terminal wires. When performing wiring operations, the user can place the terminal wires in the wire groove 14 along a preset path to ensure that each wire is accurately positioned. This design helps to maintain the neat arrangement and fixed position of the terminal wires, preventing problems such as wire crossing or misalignment during the closing of the upper and lower covers 1 or during puncturing the connection.
[0048] The PCB board 23 has slots 233, and the lower cover 1 has inserts 12 that match the shape of the slots 233. When assembling the junction box, the inserts 12 on the lower cover 1 are accurately inserted into the slots 233 on the PCB board 23. This design ensures precise alignment and a secure connection between the lower cover and the PCB board, helping to maintain the correct relative position of the spring contact 24 and other electrical components, thereby ensuring the reliability and stability of the electrical connection. The upper cover 2 has a groove 21 for accommodating the terminal wire connection positions. When the upper and lower covers are closed, the terminal wire connection positions on the lower cover 1 are accurately embedded in the groove 21 on the upper cover 2. This design ensures precise alignment between the terminal wire connection positions and the spring contact 24, allowing the spring contact to effectively pierce the insulation layer of the terminal wire and make contact with the wire core, achieving an electrical connection. The groove 21 not only provides physical spatial matching but also serves as a guide and fixation, ensuring consistency and stability when the upper and lower covers are closed.
[0049] The lower cover 1 has through slots 13 on both sides of the terminal wire wiring position. When it is necessary to remove the lower cover 1, these through slots allow the lower cover to deform to a certain extent in this area. Specifically, by applying appropriate pressure or using a simple tool, the lower cover 1 can be slightly bent or deformed in the part with the through slots 13, thereby reducing the impact on the locking mechanism of the locking block and slot, making it easier to separate the upper and lower covers.
[0050] Specifically, the working principle of this utility model is as follows:
[0051] In use, the terminal wires are placed in designated positions within the lower cover 1, where wire grooves 14 ensure accurate positioning of each wire. When the lower cover 1 and upper cover 2 are securely engaged via the latch (first mating part 15) on the handle 11 and the latch (first connecting part 22) on the upper cover 2, the spring piece 24 located within the upper cover 2 presses against the terminal wires accordingly, and its pointed insertion part 242 precisely pierces the insulation of the terminal wires to reach the core, thus achieving electrical connection without the need for pre-stripping.
[0052] During the closing process of the upper and lower covers, the insert 12 on the lower cover 1 is accurately inserted into the slot 233 of the PCB board 23, ensuring precise alignment and a stable connection between the lower cover and the PCB board, which helps maintain the correct relative position of the spring 24 and other electrical components. Simultaneously, the spring 24 engages with the second mating part 232 of the PCB board 23 via its second connecting part 241, further reinforcing the fixed position of the spring and ensuring the accuracy of each puncture operation. Furthermore, the upper cover 2 has a groove 21 to accommodate the terminal wire wiring position of the lower cover 1, ensuring precise alignment between the terminal wire wiring position and the spring 24, making the electrical connection more reliable and stable.
[0053] To facilitate maintenance and repair, when the lower cover 1 needs to be removed, the user can press the handle 11 to release the latch between the first mating part 15 and the first connecting part 22. Simultaneously, the lower cover 1 has through slots 13 on both sides of the terminal wire wiring position, allowing for some deformation of the lower cover, thereby reducing the impact on the locking mechanism of the latch and slots and making the upper and lower covers easier to separate. This design not only simplifies the disassembly process but also avoids damage to components or breaches of the seal caused by forced prying, greatly facilitating subsequent terminal wire removal or reuse.
[0054] In summary, this utility model solves the problems of complex wiring, the need for professional tools, and low wiring efficiency of traditional junction boxes.
[0055] It should be understood that the terms "first," "second," etc., are used in this utility model to describe various information, but this information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of this utility model, "first" information can also be referred to as "second" information, and similarly, "second" information can also be referred to as "first" information. In addition, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0056] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications are also considered to be within the protection scope of this utility model.
Claims
1. A method for piercing a junction box, comprising a housing, characterized in that, The outer casing includes a lower cover (1) and an upper cover (2). The lower cover (1) is snapped into the upper cover (2). The lower cover (1) is used to place the terminal wire that needs to be connected. At least one spring piece (24) is installed inside the upper cover (2). The spring piece (24) is used to pierce the wire sheath and core of the terminal wire to achieve the function of power transmission.
2. The method for piercing a junction box according to claim 1, characterized in that, The lower cover (1) is provided with at least one terminal wire connection station, and a handle (11) is provided on both sides of the terminal wire connection station. The handle (11) is provided with a first mating part (15), and the upper cover (2) is provided with a first connecting part (22) that engages with the first mating part (15).
3. The method for piercing a junction box according to claim 1, characterized in that, A PCB board (23) is installed inside the top cover (2), and the PCB board (23) has a groove (231) and the spring piece (24) is installed in the groove (231).
4. The method for piercing a junction box according to claim 3, characterized in that, The spring (24) is provided with a second connecting part (241), and the PCB board (23) is provided with a second mating part (232) that engages with the second connecting part (241).
5. A method for piercing a junction box according to claim 1, characterized in that, The lower cover (1) is provided with a wire groove (14), which is used to limit the terminal wire.
6. The method for piercing a junction box according to claim 1, characterized in that, The spring (24) is provided with at least one insertion part (242), one end of which is a sharp corner, and the insertion part (242) is used to pierce the wire sheath of the terminal wire and make contact with the wire core.
7. A method for piercing a junction box according to claim 3, characterized in that, The PCB board (23) has a slot (233), and the lower cover (1) is provided with a plug (12) that matches the shape of the slot (233).
8. A method for piercing a junction box according to claim 2, characterized in that, The upper cover (2) has a groove (21) for accommodating the terminal wire connection station.
9. A method for piercing a junction box according to claim 2, characterized in that, The first mating part (15) is a locking block, the first connecting part (22) is a locking groove, and the first connecting part (22) is engaged with the locking block.
10. A method for piercing a junction box according to claim 2, characterized in that, The lower cover (1) has through slots (13) on both sides of the terminal wire wiring position.