Plug-in type open circuit prevention wiring terminal
By introducing a reinforcement mechanism and friction layer into the plug-in anti-open-circuit terminal, the loosening problem caused by low structural tightness is solved, the connection stability is significantly improved, and the reliability and safety of electrical connections are ensured.
Patent Information
- Application Number
- CN202421085902.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-18
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-18
AI Technical Summary
The structural design of the existing plug-in anti-open circuit terminals is low, and may loosen during vibration or long-term use, affecting the stability of the connection.
The reinforcement mechanism is adopted, including a fastener, a spring, an adjustment seat, a rod, a seat and a limit seat. The first connection terminal seat and a second connection are improved by adjusting the sliding connection of the seat and the rod and the tension of the spring. Stability between terminal seats and a friction layer between the fastener seat and the socket is added to enhance the connection force.
It effectively improves the installation and connection stability of plug-in anti-open circuit terminals, avoids loosening caused by vibration or long-term use, and significantly improves the reliability and safety of electrical connections.
Smart Images

Figure CN222301003U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wiring terminals, in particular to a plug-in type anti-open circuit wiring terminal. Background Art
[0002] Plug-in anti-open circuit terminal blocks are a special electrical connection device designed to solve the open circuit problem that may occur when the plug and socket are separated. When the plug and socket of this terminal block are in a non-connected state, it will automatically perform a short-circuit function to avoid an open circuit and ensure that the circuit remains closed without interrupting the power supply. Plug-in anti-open circuit terminal blocks are widely used in various electrical equipment and systems. They are simple and quick to install, reliable in connection, and can significantly improve the safety and stability of electrical connections. This type of terminal block usually has a standardized design, which can be easily connected to other electrical components and is suitable for various complex electrical environments.
[0003] At present, the plug-in anti-open circuit terminal is generally composed of two connecting terminals, and the two terminals are connected and fixed by a socket and a pin. Although the connection between the socket and the pin has a certain stability, the tightness of its structural design is relatively low, and it may become loose during vibration or long-term use, affecting the stability of the connection. Therefore, a plug-in anti-open circuit terminal is proposed. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a plug-in anti-open circuit terminal block, which has the advantages of improving the stability of the installation connection of the terminal block, and solves the problem that the tightness of the structural design is relatively low, and looseness may occur during vibration or long-term use, thereby affecting the stability of the connection.
[0005] To achieve the above-mentioned object, the utility model provides the following technical solutions: a plug-in anti-open circuit terminal, comprising a first connection terminal seat, a second connection terminal seat, a first connection seat, a second connection seat, a mounting seat, a plug-in seat and a plurality of pins, wherein a reinforcement mechanism is provided between the first connection terminal seat and the second connection terminal seat;
[0006] The reinforcement mechanism includes two fastening seats movably installed on the outer walls of the first connecting seat and the second connecting seat, a tension spring is fixedly installed inside the fastening seat, an adjustment seat is fixedly installed on the side of the tension spring away from the fastening seat, a clamping rod is fixedly installed on the side of the adjustment seat close to the first connecting seat, a clamping seat is fixedly installed on the side of the fastening seat close to the second connecting terminal seat, two limit seats are fixedly installed on the right outer wall of the second connecting seat, and four positioning plates are fixedly installed on the left outer wall of the first connecting seat.
[0007] Furthermore, the number of the adjustment seats is four, and the four adjustment seats are slidably connected to the front outer wall and the back outer wall of the first connection terminal seat respectively.
[0008] Furthermore, two sliding holes are provided inside the first connecting seat, and the clamping rod is slidably connected inside the sliding holes and has a size matching that of the sliding holes.
[0009] Furthermore, the number of the card seats is four, and the four card seats are respectively slidably connected to the front outer wall and the back outer wall of the second connection terminal seat, and the left outer wall of the card seat is attached to the right outer wall of the second connection seat.
[0010] Furthermore, a slot is provided on one side of the holder close to the second connecting seat, and the limit seat is connected to the inside of the slot and has a matching size.
[0011] Furthermore, the adjustment seat is slidably connected between two adjacent positioning plates, and the distance between the top outer wall and the bottom outer wall of the adjustment seat is the same as the distance between the outer walls on opposite sides of the two adjacent positioning plates.
[0012] Further, the second connecting terminal seat is located on the right side of the first connecting terminal seat, the first connecting seat is fixedly mounted on the right outer wall of the first connecting terminal seat, the second connecting seat is fixedly mounted on the left outer wall of the second connecting terminal seat, the mounting seat is fixedly mounted on the left outer wall of the second connecting seat, a plug socket is fixedly mounted on the left outer wall of the mounting seat, a plurality of pins are fixedly mounted on the right outer wall of the first connecting seat, a plurality of plug holes are opened on the left side of the plug socket, the number of the plug holes is the same as the number of the pins, and the pins are slidably connected to the inside of the plug holes and are adapted in size.
[0013] Furthermore, the outer peripheral wall of the clamping rod is provided with a friction layer.
[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0015] The plug-in anti-open circuit terminal is installed on the outer walls of the first connection terminal seat and the second connection terminal seat through a fastening seat, and is respectively installed on the outer wall of the first connection terminal seat and the outer wall of the first connection seat through an adjustment seat and a clamping rod. The tension spring guides the tension of the clamping rod, which is clamped into the interior of the limit seat through the clamping seat, thereby improving the stability between the first connection terminal seat and the second connection terminal seat. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the fastening seat of the utility model;
[0018] Figure 3 For this utility model Figure 1 Schematic diagram of the structure from top view;
[0019] Figure 4 This is a schematic diagram of the structure of the first connecting terminal seat of the utility model;
[0020] Figure 5 This is a schematic diagram of the structure of the second connection terminal seat of the utility model;
[0021] Figure 6 This is a schematic diagram of the fastening seat structure of the utility model.
[0022] In the figure: 1. first connecting terminal seat; 2. second connecting terminal seat; 3. first connecting seat; 4. second connecting seat; 5. mounting seat; 6. plug-in seat; 7. plug-in pin; 8. fastening seat; 9. tension spring; 10. adjusting seat; 11. clamping rod; 12. clamping seat; 13. limiting seat; 14. positioning plate. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] For example, see Figure 1-6 In this embodiment, a plug-in anti-open circuit terminal comprises a first connection terminal seat 1, a second connection terminal seat 2, a first connection seat 3, a second connection seat 4, a mounting seat 5, a plug-in seat 6 and a plurality of pins 7, and a reinforcement mechanism is provided between the first connection terminal seat 1 and the second connection terminal seat 2.
[0025] The second connecting terminal seat 2 is located on the right side of the first connecting terminal seat 1, the first connecting seat 3 is fixedly installed on the right outer wall of the first connecting terminal seat 1, the second connecting seat 4 is fixedly installed on the left outer wall of the second connecting terminal seat 2, the mounting seat 5 is fixedly installed on the left outer wall of the second connecting seat 4, the left outer wall of the mounting seat 5 is fixedly installed with a plug seat 6, the right outer wall of the first connecting seat 3 is fixedly installed with a plurality of pins 7, and a plurality of plug holes are opened on the left side of the plug seat 6, the number of plug holes is the same as the number of pins 7, and the pins 7 are slidably connected to the inside of the plug holes and are adapted in size.
[0026] The reinforcement mechanism includes two fastening seats 8 movably installed on the outer walls of the first connecting seat 3 and the second connecting seat 4, a tension spring 9 is fixedly installed inside the fastening seat 8, an adjustment seat 10 is fixedly installed on the side of the tension spring 9 away from the fastening seat 8, there are four adjusting seats 10, and the four adjusting seats 10 are respectively slidably connected to the front outer wall and the back outer wall of the first connecting terminal seat 1, a clamping rod 11 is fixedly installed on the side of the adjusting seat 10 close to the first connecting seat 3, and two sliding holes are opened inside the first connecting seat 3, and the clamping rod 11 is slidably connected to the inside of the sliding hole and is adapted in size.
[0027] A card seat 12 is fixedly installed on the side of the fastening seat 8 close to the second connecting terminal seat 2. There are four card seats 12, and the four card seats 12 are respectively slidably connected to the front outer wall and the back outer wall of the second connecting terminal seat 2. The left outer wall of the card seat 12 fits on the right outer wall of the second connecting seat 4. Two limit seats 13 are fixedly installed on the right outer wall of the second connecting seat 4. A card slot is opened on the side of the card seat 12 close to the second connecting seat 4. The limit seat 13 is clamped in the inside of the card slot and is of a matching size. Four positioning plates 14 are fixedly installed on the left outer wall of the first connecting seat 3. The adjustment seat 10 is slidably connected between two adjacent positioning plates 14. The distance between the top outer wall and the bottom outer wall of the adjustment seat 10 is the same as the distance between the outer walls on the opposite side of the two adjacent positioning plates 14.
[0028] In this embodiment, the positioning plate 14 limits and positions the adjustment seat 10 , which not only facilitates the positioning and installation of the clamping rod 11 , but also improves the stability of the connection between the clamping rod 11 and the first connecting seat 3 .
[0029] Embodiment 2 is based on Embodiment 1 and is provided with a friction layer, the friction layer is made of rubber material, and improves the stability of the connection between the clamping rod 11 and the first connecting seat 3.
[0030] The working principle of the above embodiment is:
[0031] First, move the first connecting terminal seat 1 and the second connecting terminal seat 2 toward each other, insert the pin 7 into the inside of the socket 6 and fit it together. When the fastening seat 8 needs to be installed on the outer wall of the first connecting terminal seat 1 and the second connecting terminal seat 2, pull the adjusting seat 10 to the left, and then insert the clamping seat 12 into the inside of the limit seat 13. At this time, slowly release the adjusting seat 10. At this time, the adjusting seat 10 will be pulled by the tension of the tension spring 9 and will move toward the direction close to the first connecting seat 3. At this time, the clamping rod 11 will slide to the inside of the first connecting seat 3. At this time, the installation of the fastening seat 8 is completed, and then the remaining three fastening seats 8 are installed.
[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A plug-in anti-open circuit terminal, comprising a first connection terminal seat (1), a second connection terminal seat (2), a first connection seat (3), a second connection seat (4), a mounting seat (5), a plug seat (6) and a plurality of pins (7), characterized in that: A reinforcement mechanism is provided between the first connection terminal seat (1) and the second connection terminal seat (2); The reinforcing mechanism comprises two fastening seats (8) movably mounted on the outer walls of the first connecting seat (3) and the second connecting seat (4); a tension spring (9) is fixedly mounted inside the fastening seat (8); an adjusting seat (10) is fixedly mounted on the side of the tension spring (9) away from the fastening seat (8); a clamping rod (11) is fixedly mounted on the side of the adjusting seat (10) close to the first connecting seat (3); a clamping seat (12) is fixedly mounted on the side of the fastening seat (8) close to the second connecting terminal seat (2); two limit seats (13) are fixedly mounted on the right outer wall of the second connecting seat (4); and four positioning plates (14) are fixedly mounted on the left outer wall of the first connecting seat (3).
2. The plug-in anti-open circuit terminal according to claim 1, characterized in that: The number of the adjustment seats (10) is four, and the four adjustment seats (10) are respectively slidably connected to the front outer wall and the back outer wall of the first connection terminal seat (1).
3. The plug-in anti-open circuit terminal according to claim 1, characterized in that: Two sliding holes are provided inside the first connection seat (3), and the clamping rod (11) is slidably connected inside the sliding holes and has a matching size.
4. The plug-in anti-open circuit terminal according to claim 1, characterized in that: There are four card seats (12), and the four card seats (12) are respectively slidably connected to the front outer wall and the back outer wall of the second connection terminal seat (2), and the left outer wall of the card seat (12) is attached to the right outer wall of the second connection seat (4).
5. The plug-in anti-open circuit terminal according to claim 1, characterized in that: A slot is provided on one side of the card seat (12) close to the second connecting seat (4), and the limiting seat (13) is snap-fitted inside the slot and has a matching size.
6. The plug-in anti-open circuit terminal according to claim 1, characterized in that: The adjustment seat (10) is slidably connected between two adjacent positioning plates (14), and the distance between the top outer wall and the bottom outer wall of the adjustment seat (10) is the same as the distance between the outer walls on opposite sides of the two adjacent positioning plates (14).
7. The plug-in anti-open circuit terminal according to claim 1, characterized in that: The second connection terminal seat (2) is located on the right side of the first connection terminal seat (1); the first connection seat (3) is fixedly mounted on the right outer wall of the first connection terminal seat (1); the second connection seat (4) is fixedly mounted on the left outer wall of the second connection terminal seat (2); the mounting seat (5) is fixedly mounted on the left outer wall of the second connection seat (4); a plug seat (6) is fixedly mounted on the left outer wall of the mounting seat (5); a plurality of plug pins (7) are fixedly mounted on the right outer wall of the first connection seat (3); a plurality of plug holes are opened on the left side of the plug seat (6); the number of the plug holes is the same as the number of the plug pins (7); the plug pins (7) are slidably connected inside the plug holes and are of matching size.
8. The plug-in anti-open circuit terminal according to claim 1, characterized in that: The outer peripheral wall of the clamping rod (11) is provided with a friction layer.
