A reliable wire pressing structure of a terminal

Abstract

The utility model provides a reliable wiring terminal structure of pressing wire, including insulating base, base connecting body, conductor sleeve, press wire bolt, protective seal cover and conductor wire, wherein: base connecting body fixed mounting is between two groups of insulating base, and conductor sleeve sliding installation is in the inside of insulating base, and this press wire bolt is engaged in the inside of conductor sleeve, protective seal cover fixed mounting is above insulating base, and conductor wire sliding installation is in the inside of conductor sleeve, the utility model insulating base and the setting of protective seal cover, press wire bolt can not loosen and fall off, can prevent press wire bolt from water and dust.

Description

Technical Field

[0001] This utility model relates to the field of terminal block technology, and in particular to a reliable terminal block wire clamping structure. Background Technology

[0002] Terminal block crimping structures are electrical components that achieve a secure connection of wires through mechanical crimping. Their core features include: a self-locking threaded clamping mechanism to ensure stable and consistent pressure; an insulating housing and multiple sealing designs for dustproof, waterproof, and electrical isolation; and a vibration-resistant and anti-loosening design that balances ease of installation and reliable contact. They maintain stable conductivity and mechanical strength under harsh conditions, meeting the safety requirements of industrial-grade electrical connections. However, existing terminal block crimping structures still suffer from problems such as loosening and detachment of the crimping bolts, and the inability to prevent water and dust ingress.

[0003] Therefore, it is essential to invent a reliable terminal crimping structure. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides a reliable terminal crimping structure to solve the issues of loosening and falling off of the crimping bolts in existing terminal crimping structures, and the inability to prevent water and dust ingress into the crimping bolts. A reliable terminal crimping structure includes an insulating base, a base connector, a conductor sleeve, a crimping bolt, a protective sealing cap, and a conductor wire. The base connector is fixedly installed between two sets of insulating bases, and the conductor sleeve is slidably installed inside the insulating base, with the crimping bolt engaging inside the conductor sleeve. The protective sealing cap is fixedly installed above the insulating base, and the conductor wire is slidably installed inside the conductor sleeve.

[0005] The insulating base includes a support base, a bolt positioning cylinder, a bolt limiting ring, and a deformation crack. The bolt positioning cylinder is fixedly installed above the support base, and the bolt limiting ring is fixedly installed on the inner wall of the bolt positioning cylinder. The deformation crack is formed on the bolt positioning cylinder.

[0006] The protective sealing cap includes a sealing cap body, a bottom rubber ring, and a top rubber ring, and the sealing cap body is slidably installed on the outside of the bolt positioning cylinder; the bottom rubber ring and the top rubber ring are located at the upper and lower ends of the sealing cap body, and are respectively bonded and fixed to the upper and lower ends of the bolt positioning cylinder.

[0007] The insulating base adopts a set of plastic insulating shells, and the interior of the supporting base can accommodate the conductor sleeve. The interior of the bolt positioning cylinder can accommodate the wire clamping bolt. The bolt limiting ring adopts a set of annular protrusions, which will block the wire clamping bolt when it is driven downward. When the bolt limiting ring blocks the wire clamping bolt from driving downward, it will pry the bolt positioning cylinder outward at the deformation crack. After the wire clamping bolt is fully driven in, the bolt positioning cylinder will return to its original shape through its own elasticity. At this time, the bolt limiting ring is stuck above the wire clamping bolt.

[0008] The protective sealing cover can wrap around the bolt positioning cylinder from the outside in, preventing it from opening and deforming outward. The protective sealing cover adopts a set of plastic structure cover bodies, and the protective sealing cover can be connected to the insulating base as a whole through the bottom rubber ring and the top rubber ring.

[0009] Compared with the prior art, the present invention has the following beneficial effects:

[0010] 1. The insulating base of this utility model provides an overall frame support and fixes the conductor sheath. The bolt positioning cylinder achieves self-locking and anti-loosening of the wire clamping bolts through the elastic deformation of the deformation crack and the bolt limiting ring. At the same time, insulating materials are used to ensure electrical safety, and a sealed protection is formed by cooperating with the protective sealing cover. Finally, reliable crimping and long-term protection of the conductor are achieved while ensuring structural stability.

[0011] 2. The protective sealing cover of this utility model completely encloses the bolt positioning cylinder by sealing the cover body, and forms a double seal with the bottom rubber ring and the top rubber ring. This effectively prevents contaminants such as moisture and dust from entering the conductor sleeve, while also preventing personnel from accidentally touching the live wire bolts. Its structural design not only limits the excessive deformation of the bolt positioning cylinder and enhances the overall vibration resistance, but also bonds with the insulating base to form an integrated protection, significantly improving the environmental adaptability, operational safety and long-term reliability of the terminal block. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Figure 2 This is a schematic diagram of the structure of the insulating base of this utility model.

[0014] Figure 3 This is a schematic diagram of the structure of the protective sealing cover of this utility model.

[0015] In the picture:

[0016] Insulating base 1, supporting base 11, bolt positioning cylinder 12, bolt limiting ring 13, deformation crack 14, base connector 2, conductor sleeve 3, wire clamping bolt 4, protective sealing cover 5, sealing cover 51, bottom rubber ring 52, top rubber ring 53, conductor wire 6. Detailed Implementation

[0017] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0018] As attached Figure 1 To be continued Figure 3 As shown.

[0019] This utility model provides a reliable terminal crimping structure, including an insulating base 1, a base connector 2, a conductor sleeve 3, a crimping bolt 4, a protective sealing cover 5, and a conductor wire 6. The base connector 2 is fixedly installed between two sets of insulating bases 1, and the conductor sleeve 3 is slidably installed inside the insulating base 1. The crimping bolt 4 engages inside the conductor sleeve 3. The protective sealing cover 5 is fixedly installed above the insulating base 1, and the conductor wire 6 is slidably installed inside the conductor sleeve 3.

[0020] The insulating base 1 includes a support base 11, a bolt positioning cylinder 12, a bolt limiting ring 13, and a deformation crack 14. The bolt positioning cylinder 12 is fixedly installed above the support base 11, and the bolt limiting ring 13 is fixedly installed on the inner wall of the bolt positioning cylinder 12. The deformation crack 14 is formed on the bolt positioning cylinder 12.

[0021] The protective sealing cover 5 includes a sealing cover body 51, a bottom rubber ring 52 and a top rubber ring 53, and the sealing cover body 51 is slidably installed on the outside of the bolt positioning cylinder 12; the bottom rubber ring 52 and the top rubber ring 53 are located at the upper and lower ends of the sealing cover body 51 and are respectively bonded and fixed to the upper and lower ends of the bolt positioning cylinder 12.

[0022] The insulating base 1 adopts a set of plastic insulating shells, and the interior of the supporting base 11 can accommodate the conductor sleeve 3. The interior of the bolt positioning cylinder 12 can accommodate the wire clamping bolt 4. The bolt limiting ring 13 adopts a set of annular protrusions, which will block the wire clamping bolt 4 when it is driven downward. When the bolt limiting ring 13 blocks the wire clamping bolt 4 from driving downward, it will pry the bolt positioning cylinder 12 outward at the deformation crack 14. After the wire clamping bolt 4 is fully driven in, the bolt positioning cylinder 12 will return to its original shape through its own elasticity. At this time, the bolt limiting ring 13 is stuck above the wire clamping bolt 4.

[0023] The protective sealing cover 5 can wrap around the bolt positioning cylinder 12 from the outside to the inside, preventing it from opening and deforming outward. The protective sealing cover 5 adopts a set of plastic structure cover bodies, and the protective sealing cover 5 can be connected to the insulating base 1 as a whole through the bottom rubber ring 52 and the top rubber ring 53.

[0024] This terminal crimping device achieves reliable connection and protection of wires through an innovative mechanical structure. When the conductor wire 6 is inserted into the conductor sleeve 3 and the crimping bolt 4 is tightened, the bolt limiting ring 13 temporarily blocks its downward movement, causing the bolt positioning cylinder 12 to elastically expand along the deformation crack 14. After the crimping bolt 4 is fully in place, the plastic bolt positioning cylinder 12 elastically returns to its original position, and the bolt limiting ring 13 locks into the thread to form a self-locking structure. Subsequently, the protective sealing cover 5 is installed, and its sealing cover 51 completely covers the bolt positioning cylinder 12, forming a double seal with the bottom rubber ring 52 and the top rubber ring 53, which prevents contaminants from entering and limits structural deformation.

[0025] This equipment employs a modular design to provide multiple layers of protection: the conductor sleeve 3 provides a stable crimping space, the insulating base 1 ensures electrical safety, the self-locking structure prevents loosening, and the sealing design blocks external corrosion. The precise fit of each component makes the equipment easy to install, reliable in connection, and provides excellent protection. It is particularly suitable for industrial environments with high vibration and harsh conditions, achieving long-term reliable operation after a single crimp. The bridging function of the base connector 2 further enhances the stability of the overall structure, ensuring excellent mechanical strength and electrical performance even when multiple units are used in parallel.

[0026] Any technical solution that achieves the above-mentioned technical effects by utilizing the technical solution described in this utility model, or by designing a similar technical solution inspired by the technical solution described in this utility model, falls within the protection scope of this utility model.

Claims

1. A reliable terminal crimping structure, characterized in that: It includes an insulating base (1), a base connector (2), a conductor sleeve (3), a wire clamping bolt (4), a protective sealing cover (5), and a conductor wire (6), wherein: the base connector (2) is fixedly installed between two sets of insulating bases (1), and the conductor sleeve (3) is slidably installed inside the insulating base (1), and the wire clamping bolt (4) is engaged inside the conductor sleeve (3); the protective sealing cover (5) is fixedly installed above the insulating base (1), and the conductor wire (6) is slidably installed inside the conductor sleeve (3).

2. The reliable terminal crimping structure as described in claim 1, characterized in that: The insulating base (1) includes a support base (11), a bolt positioning cylinder (12), a bolt limiting ring (13), and a deformation crack (14). The bolt positioning cylinder (12) is fixedly installed above the support base (11), and the bolt limiting ring (13) is fixedly installed on the inner wall of the bolt positioning cylinder (12). The deformation crack (14) is opened on the bolt positioning cylinder (12).

3. The reliable terminal crimping structure as described in claim 1, characterized in that: The protective sealing cover (5) includes a sealing cover body (51), a bottom rubber ring (52) and a top rubber ring (53), and the sealing cover body (51) is slidably installed on the outside of the bolt positioning cylinder (12); the bottom rubber ring (52) and the top rubber ring (53) are set at the upper and lower ends of the sealing cover body (51) and are respectively bonded and fixed to the upper and lower ends of the bolt positioning cylinder (12).

4. A reliable terminal crimping structure as described in claim 2, characterized in that: The insulating base (1) adopts a set of plastic insulating shells, and the interior of the supporting base (11) can accommodate the conductor sleeve (3), and the interior of the bolt positioning cylinder (12) can accommodate the wire pressing bolt (4); the bolt limiting ring (13) adopts a set of annular protrusions, which will block the wire pressing bolt (4) when it is driven downward, and when the bolt limiting ring (13) blocks the wire pressing bolt (4) from driving downward, it will pry the bolt positioning cylinder (12) outward at the deformation crack (14). After the wire pressing bolt (4) is fully driven in, the bolt positioning cylinder (12) will return to its original shape through its own elasticity. At this time, the bolt limiting ring (13) is stuck above the wire pressing bolt (4).

5. A reliable terminal crimping structure as described in claim 3, characterized in that: The protective sealing cover (5) can wrap around the bolt positioning cylinder (12) from the outside to the inside, preventing it from opening and deforming outward. The protective sealing cover (5) adopts a set of plastic structure cover bodies, and the protective sealing cover (5) can be connected to the insulating base (1) as a whole through the bottom rubber ring (52) and the top rubber ring (53).

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