Piercing terminal with sawtooth grooves
By designing an engaging structure for the guide rails and connectors, and adjusting the number of connectors and guide rails, the problem of the existing piercing terminals being unable to be adjusted was solved, achieving flexible wire connection and expanding the scope of application.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YUEQING XINHONG ELECTRONICS
- Filing Date
- 2025-04-23
- Publication Date
- 2026-05-05
AI Technical Summary
The number of existing piercing terminals is fixed when connecting wires, and cannot be adjusted according to actual conditions, thus limiting their application.
The design incorporates piercing terminals with guide rails and connectors. The guide rails engage with the connectors via slots and plates, allowing for adjustment of the number of connectors to meet different needs. Furthermore, the number of guide rails can be adjusted using the connector heads and connecting holes on the guide rails, thus expanding the range of applications.
This allows for adjustment of the number of connectors and guide rails according to actual conditions, expanding the scope of application of the device, simplifying the connection process, and improving flexibility and applicability.
Smart Images

Figure CN224204394U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of puncture terminal technology, and specifically relates to a puncture terminal with a serrated groove. Background Technology
[0002] In the manufacturing process of electronic devices, the connection of wires to circuit boards or other electrical components is a critical step. Traditional connection methods, such as soldering, although providing high connection strength, suffer from problems such as complex operation, requiring specialized equipment and skills, high cost, and difficulty in disassembly and repair. While some existing piercing terminals simplify the connection process to some extent, they have certain drawbacks. For example, Chinese patent CN 222072204 U discloses a piercing terminal comprising a terminal body. The terminal body has at least two sets of first and second barbs along its longitudinal direction, symmetrically arranged on both sides of the terminal body in the transverse direction. The first and second barbs form a barb angle with the terminal body. The first barb is located above the second barb, and the barb angle of the first barb is greater than that of the second barb. The width of the first barb is greater than that of the second barb. Although this device eliminates the need for wire stripping when connecting wires, the number of wires that can be connected by the existing piercing terminal is fixed and cannot be adjusted according to actual conditions, thus limiting its application range. Utility Model Content
[0003] The purpose of this invention is to provide a puncture terminal with serrated grooves to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a piercing terminal with serrated grooves, comprising a guide rail, wherein the guide rail is recessed along its own length to form two side grooves, and at least one connector is slidably connected inside each of the two side grooves, and the connectors inside the two side grooves are matched one-to-one, wherein the top and bottom of the connector are both protruding to form a retaining plate, and a retaining groove matching the retaining plate is formed on the guide rail, wherein the retaining groove is located at the top and bottom of the side grooves, and one side of the connector is recessed to form a slot for inserting a wire, wherein a connecting part for piercing the insulation layer of the wire is connected inside the slot.
[0005] Preferably, there are N guide rail components, where N≥1. One end of each guide rail component is protruding and fixedly connected to a first connector, while the other end is recessed to form a first connecting hole. The first connecting hole matches the first connector, and the first connector and the first connecting hole are symmetrically arranged along the length of the guide rail component.
[0006] Preferably, the top and bottom of the guide rail are recessed to form two through guide grooves, which are connected to the slots and are matched one-to-one. The top and bottom of the guide rail frame are provided with limit rods, which are matched one-to-one with the slots, and the free end of the limit rod passes through the guide groove and is screwed into the slot.
[0007] Preferably, the guide rail component includes a guide rail frame, the side grooves are formed on both sides symmetrically along the length of the guide rail frame, and a conductive plate is fixedly connected to the guide rail frame. The conductive plate is located between the two side grooves, and part of the conductive plate is located inside the two side grooves and in contact with the connecting part.
[0008] Preferably, the device further includes a fixing component, which includes a first fixing bracket and a second fixing bracket. The first fixing bracket has a recessed second connecting hole that matches a first connecting head. The second fixing bracket has a protruding second connecting head on one side that matches a first connecting hole. Both the first fixing bracket and the second fixing bracket are screwed together with fixing screws.
[0009] Preferably, the connector includes a first clamping plate and a second clamping plate arranged symmetrically, two clamping plates are fixedly connected to the opposite sides of the first clamping plate and the second clamping plate, the connecting part is fixed inside the first clamping plate and the second clamping plate, and the slot is formed between the first clamping plate and the second clamping plate.
[0010] Preferably, the connecting portion includes a conductor, which is fixedly connected to the inside of the first clamping plate and the second clamping plate. The slot is located between the two conductors, and each of the two conductors has a protruding spike fixedly connected to its opposite side. The spike is located inside the slot.
[0011] Preferably, the spiked head has an indentation forming multiple serrated grooves.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] (1) This utility model sets up guide rails and connectors, connects wires through slots on the connectors, and then engages the connectors with the slots on the guide rails through a card plate, so that the number of connectors required by the personnel can be installed on the guide rails, thereby adjusting the number of wires connected to the device. This can be adjusted according to the actual situation, thereby expanding the scope of application of the device.
[0014] (2) This utility model provides a first connector at one end of the guide rail frame and a first connection hole at the other end of the guide rail frame. The first connector is screwed into the first connection hole to connect the guide rail frame, thereby allowing the number of guide rail frames that need to be connected to be connected, which further increases the number of connecting parts of the device and expands the scope of application of the device. Attached Figure Description
[0015] Figure 1 This is one of the perspective views of this utility model;
[0016] Figure 2 This is a second perspective view of the present invention;
[0017] Figure 3 This is the third perspective view of the present utility model;
[0018] Figure 4 This is one of the perspective views of the guide rail component of this utility model;
[0019] Figure 5 This is the second perspective view of the guide rail component of this utility model;
[0020] Figure 6 This is a side view of the guide rail component of this utility model;
[0021] Figure 7 This is one of the perspective views of the connector of this utility model;
[0022] Figure 8 This is a second perspective view of the connector of this utility model;
[0023] Figure 9 This is one of the perspective views of the fastener of this utility model;
[0024] Figure 10 This is the second perspective view of the fastener of this utility model;
[0025] In the diagram: 1. Guide rail component; 11. Guide rail frame; 12. Side groove; 13. Slot; 14. Guide groove; 15. First connector; 16. Conductive plate; 17. First connecting hole; 2. Connector; 21. First clamping plate; 22. Second clamping plate; 23. Slot; 24. Spike; 25. Conductor; 26. Clamping plate; 27. Limiting rod; 28. Serrated groove; 3. Fixing component; 31. First fixing frame; 32. Second connecting hole; 33. Fixing screw; 34. Second fixing frame; 35. Second connector. Detailed Implementation
[0026] 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.
[0027] Please see Figures 1-10 As shown, this utility model provides the following technical solution:
[0028] A piercing terminal with serrated grooves includes a guide rail 1. The guide rail 1 is recessed along its length to form two side grooves 12. At least one connector 2 is slidably connected inside each of the two side grooves 12, and the connectors 2 inside the two side grooves 12 are matched one-to-one. The top and bottom of the connector 2 are both protruding to form a retaining plate 26. A retaining groove 13 matching the retaining plate 26 is formed on the guide rail 1. The retaining groove 13 is located at the top and bottom of the side grooves 12, and one side of the connector 2 is recessed to form a slot 23 for inserting a wire. A connecting part for piercing the insulation layer of the wire is connected inside the slot 23.
[0029] With the above technical solution, when personnel need to connect wires, they take the required number of connectors 2, place them in the side groove 12 on one side of the guide rail 1, and make the locking plate 26 on the connector 2 engage with the locking groove 13 on the guide rail 1 until all the locking plates 26 are installed on the guide rail 1. Following the above steps, they place the required number of connectors 2 in the side groove 12 on the other side of the guide rail 1, and make the locking plate 26 on the connector 2 engage with the locking groove 13. Then, they insert the wires to be connected into the slots 23 on the connectors 2, so that the connecting part pierces the insulation layer of the wire, making the connecting part contact the inside of the wire, thereby completing the connection of the wire.
[0030] To further expand the scope of application of the device, such as Figures 1-5 As shown, there are N guide rail components 1 in total, where N≥1. One end of the guide rail component 1 is protruding and fixedly connected to a first connector 15, and the other end is recessed to form a first connecting hole 17. The first connecting hole 17 matches the first connector 15, and the first connector 15 and the first connecting hole 17 are symmetrically arranged along the length direction of the guide rail component 1.
[0031] In this embodiment, before using the device, the required number of guide rail components 1 are taken, and one guide rail component 1 is placed on one end of another guide rail component 1. The first connector 15 at one end of the guide rail component 1 is screwed into the first connecting hole 17 on the other guide rail component 1 to connect the two guide rail components 1. Following the above steps, the required number of guide rail components 1 are connected. After adjusting the length of the guide rail component 1, the required number of connectors 2 are taken, and the required number of connectors 2 are placed in the side groove 12 on one side of the guide rail component 1. The locking plate 26 on the connector 2 is engaged with the locking groove 13 on the guide rail component 1 until all locking plates 26 are installed on the guide rail component 1. Then, the wire to be connected is inserted into the slot 23 on the connector 2, so that the connecting part pierces the insulation layer of the wire and makes the connecting part contact the inside of the wire, thus completing the connection of the wire.
[0032] After the position of guide rail 1 is adjusted, in order to fix the position of guide rail 1 and prevent guide rail 1 from accidentally loosening, such as Figures 1-7As shown, the top and bottom of the guide rail component 1 are recessed to form two through guide grooves 14. The guide grooves 14 are connected to the slots 13, and the guide grooves 14 and the slots 13 are matched one by one. The top and bottom of the guide rail frame 11 are provided with limit rods 27. The limit rods 27 are matched one by one with the slots 26, and the free end of the limit rods 27 passes through the guide grooves 14 and is screwed into the slots 26.
[0033] In this embodiment, after the connector 2 is connected to the guide rail 1, the connector 2 is pulled to move it to the position required by the personnel. Then, the limiting rod 27 is passed through the guide groove 14 and screwed into the clamping plate 26 on the connector 2. The limiting rod 27 abuts against the guide rail 1, thereby fixing the connector 2 to the position required by the personnel, making the adjusted position of the connector 2 more secure.
[0034] Specifically, in one embodiment, regarding the aforementioned guide rail 1, as... Figures 1-5 As shown, the guide rail component 1 includes a guide rail frame 11, side grooves 12 are formed on both sides symmetrically in the length direction of the guide rail frame 11, and a conductive plate 16 is fixedly connected to the guide rail frame 11. The conductive plate 16 is located between the two side grooves 12, and part of the conductive plate 16 is located inside the two side grooves 12 and in contact with the connecting part.
[0035] In this embodiment, the required number of connectors 2 are placed in the side groove 12 on one side of the guide rail frame 11, and the locking plate 26 on the connector 2 is engaged with the locking groove 13 on the guide rail frame 11 until all the locking plates 26 are installed on the guide rail 1. Following the above steps, the required number of connectors 2 are placed in the side groove 12 on the other side of the guide rail frame 11, and the locking plate 26 on the connector 2 is engaged with the locking groove 13. Then, the wires to be connected are inserted into the slots 23 on the connector 2, so that the connecting part pierces the insulation layer of the wire, and the wire connection is completed. With the cooperation of the conductive plate 16, the wires on both sides of the guide rail frame 11 are connected.
[0036] To secure the device, such as Figures 1-6 , Figures 9-10 As shown, the device also includes a fixing member 3, which includes a first fixing frame 31 and a second fixing frame 34. The first fixing frame 31 has a recessed second connecting hole 32 that matches the first connector 15. The second fixing frame 34 has a protruding second connector 35 on one side that matches the first connecting hole 17. The first fixing frame 31 and the second fixing frame 34 are both screwed together with fixing screws 33.
[0037] In this embodiment, after the wire is installed on the guide rail frame 11, the first fixing frame 31 is screwed into the first connector 15 on the guide rail frame 11 through the second connecting hole 32, and the second fixing frame 34 is screwed into the first connecting hole 17 on the guide rail frame 11 through the second connector 35, so that the first fixing frame 31 and the second fixing frame 34 are installed at both ends of the guide rail frame 11 after the length is adjusted. Then, the guide rail frame 11, the first fixing frame 31 and the second fixing frame 34 are placed at the position to be fixed, and the fixing screw 33 is passed through the first fixing frame 31 and the second fixing frame 34 and rotated, so that the fixing screw 33 enters into other objects, and the fixing screw 33 abuts against the first fixing frame 31 and the second fixing frame 34, thereby fixing the first fixing frame 31 and the second fixing frame 34, and thus fixing the guide rail frame 11.
[0038] Specifically, in one embodiment, regarding the aforementioned connector 2, as... Figures 1-3 , Figures 7-8 As shown, the connector 2 includes a first clamping plate 21 and a second clamping plate 22 arranged symmetrically. Two clamping plates 26 are fixedly connected to the opposite sides of the first clamping plate 21 and the second clamping plate 22. The connecting part is fixed inside the first clamping plate 21 and the second clamping plate 22. The slot 23 is formed between the first clamping plate 21 and the second clamping plate 22.
[0039] In this embodiment, when it is necessary to connect the wire to the connector 2, the wire is placed between the first clamp 21 and the second clamp 22, the first clamp 21 and the second clamp 22 are pressed together, so that the connecting parts on the first clamp 21 and the second clamp 22 are inserted into the wire. Then, the first clamp 21 and the second clamp 22 are placed in the side groove 12 on the guide rail frame 11, and the first clamp 21 and the second clamp 22 are engaged with the slot 13 by the clamping plate 26, thereby fixing the wire.
[0040] Furthermore, in this utility model, regarding the aforementioned connecting portion, as... Figures 7-8 As shown, the connecting part includes a conductor 25, which is fixedly connected to the inside of the first clamping plate 21 and the second clamping plate 22. The slot 23 is located between the two conductors 25, and each of the two conductors 25 has a protruding spike 24 fixedly connected to one side. The spike 24 is located inside the slot 23.
[0041] In this embodiment, after the wire is placed between the first clamp 21 and the second clamp 22, the barbs 24 on the first clamp 21 and the second clamp 22 are inserted into the wire, and the wire is connected to the conductor 25 through the cooperation of the conductor 25, thereby completing the connection of the wires on both sides of the guide rail frame 11.
[0042] When the spike 24 pierces the wire, in order to make the spike 24 more secure after it is inserted into the wire, such as Figures 1-3 and Figure 8As shown, the spike 24 has multiple serrated grooves 28 formed by indentation.
[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A piercing terminal with serrated grooves, characterized in that: The guide rail (1) is recessed along its length to form two side grooves (12). At least one connector (2) is slidably connected inside each of the two side grooves (12), and the connectors (2) inside the two side grooves (12) are matched one by one. The top and bottom of the connector (2) are both protruding to form a retaining plate (26). The guide rail (1) forms a retaining groove (13) that matches the retaining plate (26). The retaining groove (13) is located at the top and bottom of the side groove (12), and one side of the connector (2) is recessed to form a slot (23) for inserting wires. The slot (23) is connected to a connecting part for piercing the insulation layer of the wires.
2. A piercing terminal with serrated grooves according to claim 1, characterized in that: The guide rail component (1) is provided in N, where N≥1. One end of the guide rail component (1) is protruding and fixedly connected to a first connector (15), and the other end is recessed to form a first connecting hole (17). The first connecting hole (17) matches the first connector (15), and the first connector (15) and the first connecting hole (17) are symmetrically arranged along the length direction of the guide rail component (1).
3. A piercing terminal with serrated grooves according to claim 1 or 2, characterized in that: The top and bottom of the guide rail component (1) are recessed to form two through guide grooves (14). The guide grooves (14) are connected to the slots (13), and the guide grooves (14) and slots (13) are matched one by one. The top and bottom of the guide rail frame (11) are provided with limit rods (27). The limit rods (27) are matched one by one with the plates (26), and the free end of the limit rods (27) passes through the guide grooves (14) and is screwed into the plates (26).
4. A piercing terminal with serrated grooves according to claim 3, characterized in that: The guide rail component (1) includes a guide rail frame (11), the side grooves (12) are formed on both sides symmetrically in the length direction of the guide rail frame (11), and a conductive plate (16) is fixedly connected on the guide rail frame (11). The conductive plate (16) is located between the two side grooves (12), and part of the conductive plate (16) is located inside the two side grooves (12) and in contact with the connecting part.
5. A piercing terminal with serrated grooves according to claim 2, characterized in that: It also includes a fastener (3), which includes a first fastener (31) and a second fastener (34). The first fastener (31) has a recessed second connecting hole (32) that matches the first connector (15). The second fastener (34) has a protruding second connector (35) that matches the first connecting hole (17). Both the first fastener (31) and the second fastener (34) are screwed together with a fastener screw (33).
6. A piercing terminal with serrated grooves according to claim 5, characterized in that: The connector (2) includes a first clamping plate (21) and a second clamping plate (22) arranged symmetrically. Two clamping plates (26) are fixedly connected to the opposite sides of the first clamping plate (21) and the second clamping plate (22). The connecting part is fixed inside the first clamping plate (21) and the second clamping plate (22). The slot (23) is formed between the first clamping plate (21) and the second clamping plate (22).
7. A piercing terminal with serrated grooves according to claim 6, characterized in that: The connecting part includes a conductor (25), which is fixedly connected to the inside of the first clamp (21) and the second clamp (22). The slot (23) is located between the two conductors (25), and each of the two conductors (25) has a protruding spike (24) fixedly connected to its opposite side. The spike (24) is located inside the slot (23).
8. A piercing terminal with serrated grooves according to claim 7, characterized in that: Multiple serrated grooves (28) are formed by indentation on the spike (24).
Citation Information
Patent Citations
Puncture terminal
CN222072204U