Connector lug

Abstract

The utility model relates to the technical field of transformers, in particular to a connector lug which comprises a wiring assembly used for being connected with a cable, the wiring assembly comprises a fixing base and a conducting rod penetrating through the fixing base, a protective cap is arranged above the conducting rod, the wiring assembly is correspondingly arranged on a transformer body, the bottom of the conducting rod penetrates through the fixing base, and a threaded rod is arranged in a threaded groove. The top of the screw rod is provided with a screwing handle, and the outer wall of the conductive rod is provided with a wire hole close to the middle. According to the connector lug, the conducting rod penetrates through the fixing seat and is in plug-in fit with the mounting groove in the transformer body, so that the wiring assembly is quickly and preliminarily mounted and matched, the fastening bolt penetrates through the fixing hole and is in threaded connection with the screw hole, the mounting stability is improved, and a corresponding cable penetrates into the threaded groove from the cable passing hole; and the position of the cable head is fixed under the cooperation of the screw rod with the screwing handle, and the head of the cable is subjected to protection cooperation under the cooperation of the protection cap with the lantern ring, so that the cable is convenient to disassemble quickly, and the installation and protection stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to a wiring head. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are the primary coil, the secondary coil and the iron core. A terminal is set on the transformer to introduce and lead out the power supply. When wiring, the cable is connected to the transformer's terminal through a terminal.

[0003] The utility model with publication number CN216902445U discloses a transformer terminal with high safety performance, comprising a transformer body, a plurality of high-voltage terminals and a plurality of low-voltage terminals are respectively arranged on both sides of the top of the transformer body, a vertical plate is fixedly connected to the center of the top of the transformer body, and a horizontal plate is fixedly connected to the middle section of one side of the vertical plate close to the high-voltage terminals;

[0004] The above technical solution, through the setting of the top plate, can, on the one hand, provide effective shade and rain protection for the high-voltage terminal posts and the low-voltage terminal posts, and on the other hand, it can also delay the aging of the protective cover, effectively improving the service life of the protective cover. Secondly, the top plate can also promote the installation of the transformer body through the auxiliary tube; however, the terminal head is not convenient for fast and stable cable connection and coordination, cannot increase the stability of the connection, and the terminal head structure is not convenient for quick combination and installation with the corresponding transformer. Utility Model Content

[0005] The purpose of the utility model is to provide a terminal block to solve the problem that the transformer terminal block with high safety performance is provided in the above-mentioned background technology with the authorization publication number CN216902445U, but the terminal block is not convenient for fast and stable cable connection and coordination, cannot increase the stability of the connection, and the terminal block structure is not convenient for fast combination and installation with the corresponding transformer.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A terminal head includes a terminal assembly for connecting cables, the terminal assembly includes a fixed seat and a conductive rod passing through the fixed seat, a protective cap is provided above the conductive rod, the terminal assembly is correspondingly arranged on a transformer body, the upper surface of the fixed seat is symmetrically provided with blocks near both ends, the bottom of the conductive rod passes through the fixed seat, the top of the conductive rod is provided with a threaded groove, a screw is provided in the threaded groove, a handle is provided on the top of the screw, and a wire passing hole connected to the threaded groove is provided near the middle on the outer wall of the conductive rod.

[0008] Preferably, mounting grooves are provided at positions corresponding to the fixing seat on the upper surface of the transformer body, and rod insertion grooves are provided at positions corresponding to the conductive rod on the bottom of the mounting groove.

[0009] In the utility model, the installation groove is provided to help the fixing seat in the wiring assembly to be quickly plugged and installed with the corresponding position on the transformer body, and the conductive rod is plugged and matched with the plug-in rod groove to realize the plug-in and matching of the wiring assembly and the corresponding terminal post in the transformer body.

[0010] Preferably, the mounting slots are provided with slots at positions corresponding to the blocks, screw holes are provided at the bottoms of the slots, fixing holes are provided on the blocks at positions corresponding to the screw holes, and fastening bolts are provided in the fixing holes.

[0011] In the utility model, a fastening bolt is arranged to pass through the fixing hole and be threadedly connected with the screw hole, and the clamping block is plugged and matched with the clamping groove, which helps to fix the fixing seat and the transformer body with the fastening bolt and increases the stability of the installation.

[0012] Preferably, one end of the clamping block is welded and fixed to the fixing seat, the width of the outer wall of the clamping block is matched with the width of the inner wall of the clamping slot, and the width of the outer wall of the fixing seat is matched with the width of the inner wall of the installation slot.

[0013] In the utility model, the clamping block is stably connected to the clamping slot, and the fixing seat is stably connected to the installation slot, so that the wiring assembly and the transformer body can be conveniently assembled, installed, disassembled, replaced and matched.

[0014] Preferably, the bottom of the conductive rod is welded and fixed to the fixing seat, and the bottom of the conductive rod is plugged into and matched with the rod insertion slot.

[0015] In the utility model, the conductive rod is plugged into the plug-in rod groove to realize the quick plug-in installation of the wiring assembly and the wiring terminal column inside the transformer body, thereby realizing the corresponding cable connection cooperation.

[0016] Preferably, the inner diameter of the thread groove is matched with the diameter of the screw, the top of the screw is welded and fixed to the bottom of the handle, a wrench groove is provided on the upper surface of the handle, and the corresponding connecting cable is plugged into the wire hole.

[0017] In the utility model, a screw rod is provided and cooperated with a twist handle, which helps to rotate the screw rod for installation or disassembly. The twist handle provides a fulcrum for convenient manual forward or reverse rotation operations. The provision of a wrench slot helps to cooperate with the use of external wrench tools to tighten the screw position. The bottom of the screw rod fits tightly with the cable inserted into the wire hole, and the position of the cable is fixed under the action of friction, thereby achieving stable plug-in connection of the cable.

[0018] Preferably, a protective groove is provided at the bottom of the protective cap, a positioning ring is provided in the middle of the protective groove, an internal thread is provided on the inner wall of the protective groove below the positioning ring, and a collar is provided at the bottom of the outer wall of the protective cap.

[0019] In the utility model, a protective cap is provided to protect the top of the conductive rod, and the position of the protective cap inserted on the conductive rod is fixed under the action of a positioning ring, and the matching sleeve ring is used to protect the junction between the conductive rod and the cable, thereby reducing the influence of the outside world on the cable connection end.

[0020] Preferably, a limiting stud is provided on the outer wall of the conductive rod near the top, the outer diameter of the limiting stud is adapted to the inner diameter of the protective groove, the inner thread is threadedly connected to the limiting stud, and a plurality of anti-slip columns are provided on the outer wall of the protective cap near the top.

[0021] In the utility model, the cooperation of the limit stud and the internal thread is provided, which is helpful for the threaded connection between the protective cap and the conductive rod, and increases the stability of the connection between the protective cap and the wiring assembly. At the same time, the terminal column is sleeved for protection, and multiple anti-slip columns are distributed in a ring shape with equal intervals, which increases the contact area and facilitates manual rotation for disassembly or installation.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] 1. The utility model provides a conductive rod that passes through a fixing seat and is plugged into a mounting groove on a transformer body, thereby realizing quick and preliminary installation of a wiring assembly, and a fastening bolt passes through a fixing hole and is threadedly connected to a screw hole, thereby increasing the stability of the installation. The corresponding cable passes through the threaded groove from the wire hole, and the position of the cable head is fixed with the cooperation of a screw with a twist handle, and the cable head is protected with the cooperation of a protective cap with a collar, so that the cable is easy to quickly disassemble and the stability of the installation protection is increased.

[0024] 2. The utility model provides a wrench groove on the screw handle, which helps external wrench tools to tighten the screw, further increasing the stability of the cable installation in the conductive rod. The bottom of the conductive rod is plugged into the plug-in groove on the transformer body to achieve a quick connection between the bottom of the conductive rod and the terminal column in the transformer body, thereby achieving electrical connection between the cable and the internal components. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the transformer body structure of the utility model;

[0027] Figure 3 This is a schematic diagram of the wiring assembly structure of the utility model;

[0028] Figure 4 This is a schematic diagram of the combined structure of the conductive rod and the fixing seat of the utility model;

[0029] Figure 5 It is a schematic diagram of the structure of the protective cap of the utility model.

[0030] The meaning of each number in the figure is:

[0031] Fixed seat; 10, clamping block; 100, fixing hole; 101, fastening bolt;

[0032] Conductive rod; 20, thread groove; 200, wire hole; 21, limit stud; 22, screw rod; 23, twist handle; 230, wrench slot;

[0033] Protective cap; 30, protective groove; 300, positioning ring; 301, internal thread; 31, collar; 32, anti-slip column;

[0034] Transformer body; 40, mounting slot; 41, clamping slot; 410, screw hole; 42, rod insertion slot. DETAILED DESCRIPTION

[0035] 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.

[0036] See also Figure 1-Figure 5 , this embodiment provides a technical solution:

[0037] A wiring head includes a wiring assembly for connecting cables, the wiring assembly includes a fixing seat 1 and a conductive rod 2 passing through the fixing seat 1, the wiring assembly is correspondingly arranged on a transformer body 4, and a mounting groove 40 is provided on the upper surface of the transformer body 4 corresponding to the fixing seat 1, and a rod insertion groove 42 is provided at the bottom of the mounting groove 40 corresponding to the conductive rod 2.

[0038] In the utility model, the installation groove 40 is provided to facilitate the rapid plug-in and installation cooperation between the fixing seat 1 in the wiring assembly and the corresponding position on the transformer body 4, and the conductive rod 2 is plug-in and cooperated with the plug-in rod groove 42 to realize the plug-in cooperation between the wiring assembly and the corresponding terminal post in the transformer body 4.

[0039] Furthermore, a slot 41 is provided in the installation slot 40 at a position corresponding to the block 10 , a screw hole 410 is provided at the bottom of the slot 41 , a fixing hole 100 is provided on the block 10 at a position corresponding to the screw hole 410 , and a fastening bolt 101 is provided in the fixing hole 100 .

[0040] In the present invention, a fastening bolt 101 is provided to pass through the fixing hole 100 and is threadedly connected with the screw hole 410, and the clamping block 10 is plugged into the clamping groove 41, which helps the fastening bolt 101 to fix the fixing seat 1 and the transformer body 4, thereby increasing the stability of the installation.

[0041] Specifically, blocks 10 are symmetrically provided on the upper surface of the fixing seat 1 near both ends, one end of the blocks 10 is welded and fixed to the fixing seat 1, the width of the outer wall of the blocks 10 is adapted to the width of the inner wall of the slot 41, and the width of the outer wall of the fixing seat 1 is adapted to the width of the inner wall of the installation slot 40.

[0042] In the present invention, the clamping block 10 is stably connected to the clamping slot 41 , and the fixing seat 1 is stably connected to the mounting slot 40 , which facilitates the combined installation or disassembly and replacement of the wiring assembly and the transformer body 4 .

[0043] The bottom of the conductive rod 2 passes through the fixing seat 1 , the bottom of the conductive rod 2 is welded and fixed to the fixing seat 1 , and the bottom of the conductive rod 2 is plugged into and matched with the rod insertion groove 42 .

[0044] In the present invention, the conductive rod 2 is inserted into the rod insertion groove 42 to realize the rapid insertion and installation of the wiring assembly and the wiring terminal column inside the transformer body 4, thereby realizing the corresponding cable connection cooperation.

[0045] It should be noted that a thread groove 20 is provided at the top of the conductive rod 2, a screw 22 is provided in the thread groove 20, a handle 23 is provided at the top of the screw 22, the inner diameter of the thread groove 20 is matched with the diameter of the screw 22, the top of the screw 22 is welded and fixed to the bottom of the handle 23, a wrench groove 230 is provided on the upper surface of the handle 23, and the corresponding connecting cable is plugged into the wire hole 200.

[0046] In the utility model, a screw rod 22 is provided in conjunction with a twist handle 23, which helps the screw rod 22 to rotate for installation or disassembly. The twist handle 23 provides a fulcrum for convenient manual forward or reverse rotation. The provision of a wrench slot 230 helps the use of external wrench tools to tighten the position of the screw rod 22. The bottom of the screw rod 22 fits tightly with the cable inserted into the wire hole 200, and the position of the cable is fixed under the action of friction, thereby achieving stable plug-in connection of the cable.

[0047] Furthermore, a wire hole 200 communicating with the thread groove 20 is provided near the middle of the outer wall of the conductive rod 2 .

[0048] Secondly, the inner diameter of the thread groove 20 is matched with the diameter of the screw rod 22, the top of the screw rod 22 is welded and fixed to the bottom of the handle 23, a wrench groove 230 is provided on the upper surface of the handle 23, and the corresponding connecting cable is plugged into the wire hole 200.

[0049] In the utility model, a screw rod 22 is provided in conjunction with a twist handle 23, which helps the screw rod 22 to rotate for installation or disassembly. The twist handle 23 provides a fulcrum for convenient manual forward or reverse rotation. The provision of a wrench slot 230 helps the use of external wrench tools to tighten the position of the screw rod 22. The bottom of the screw rod 22 fits tightly with the cable inserted into the wire hole 200, and the position of the cable is fixed under the action of friction, thereby achieving stable plug-in connection of the cable.

[0050] It is worth adding that a protective cap 3 is provided above the conductive rod 2, and a limiting stud 21 is provided on the outer wall of the conductive rod 2 near the top. The outer diameter of the limiting stud 21 is adapted to the inner diameter of the protective groove 30, and the internal thread 301 is threadedly connected to the limiting stud 21. A number of anti-slip columns 32 are provided on the outer wall of the protective cap 3 near the top.

[0051] In the utility model, the cooperation of the limiting stud 21 and the internal thread 301 is provided, which is helpful for the threaded connection between the protective cap 3 and the conductive rod 2, and increases the stability of the connection between the protective cap 3 and the wiring assembly. At the same time, the terminal column is sleeved for protection. A plurality of anti-slip columns 32 are distributed in a ring shape with equal spacing, which increases the contact area and facilitates manual rotation for disassembly or installation.

[0052] When the wiring head of this embodiment is used, the user first fixes the fixing seat 1 with the conductive rod 2 in the installation groove 40, the bottom of the conductive rod 2 is plugged into the rod insertion groove 42, and then the fastening bolt 101 is passed through the fixing hole 100 and threadedly connected with the screw hole 410, so as to realize the quick assembly and installation of the wiring assembly and the transformer body 4;

[0053] When it is necessary to connect the cables, the cable end is manually inserted into the wire hole 200, and the screw 22 with the wrench groove 230 is threadedly connected to the thread groove 20. The bottom of the screw 22 fits tightly with the end of the cable, and the external wrench cooperates with the wrench groove 230 to increase the friction between the top of the screw 22 and the cable end, thereby realizing the electrical connection between the cable and the terminal column in the transformer body 4, and performing corresponding power transmission cooperation. Finally, the protective cap 3 with the positioning ring 300 is threadedly connected to the limiting stud 21 on the conductive rod 2, and the ring 31 is set to protect the junction between the cable and the wire hole 200, and protect the top of the conductive rod 2, thereby reducing the influence of external environmental interference. The overall combination is easy to install and convenient for quick disassembly or installation of the cable.

Claims

1. A wiring head, comprising a wiring assembly for connecting a cable, the wiring assembly comprising a fixing seat (1) and a conductive rod (2) penetrating the fixing seat (1), a protective cap (3) being provided above the conductive rod (2), the wiring assembly being correspondingly provided on a transformer body (4), characterized in that: The fixing seat (1) has symmetrically disposed blocks (10) near both ends of the upper surface thereof. The bottom of the conductive rod (2) penetrates the fixing seat (1). The top of the conductive rod (2) has a thread groove (20). A screw rod (22) is disposed in the thread groove (20). A screw handle (23) is disposed at the top of the screw rod (22). A wire hole (200) communicating with the thread groove (20) is disposed on the outer wall of the conductive rod (2) near the middle.

2. The terminal block according to claim 1, characterized in that: The upper surface of the transformer body (4) and the fixing seat (1) are both provided with mounting grooves (40) at positions corresponding to the fixing seat, and the bottom of the mounting groove (40) and the conductive rod (2) are both provided with rod insertion grooves (42).

3. The terminal block according to claim 2, characterized in that: A clamping groove (41) is provided in the installation groove (40) at a position corresponding to the clamping block (10), a screw hole (410) is provided at the bottom of the clamping groove (41), a fixing hole (100) is provided on the clamping block (10) at a position corresponding to the screw hole (410), and a fastening bolt (101) is provided in each of the fixing holes (100).

4. The terminal block according to claim 3, characterized in that: One end of the clamping block (10) is welded and fixed to the fixing seat (1), the width of the outer wall of the clamping block (10) is matched to the width of the inner wall of the clamping slot (41), and the width of the outer wall of the fixing seat (1) is matched to the width of the inner wall of the installation slot (40).

5. The terminal block according to claim 2, characterized in that: The bottom of the conductive rod (2) is welded and fixed to the fixing seat (1), and the bottom of the conductive rod (2) is plugged into and matched with the rod insertion groove (42).

6. The terminal block according to claim 1, characterized in that: The inner diameter of the thread groove (20) is matched to the diameter of the screw rod (22); the top of the screw rod (22) is welded and fixed to the bottom of the screw handle (23); a wrench groove (230) is provided on the upper surface of the screw handle (23); and a corresponding connecting cable is plugged into the wire hole (200).

7. The terminal block according to claim 1, characterized in that: The bottom of the protective cap (3) is provided with a protective groove (30), a positioning ring (300) is provided in the middle of the protective groove (30), an inner wall of the protective groove (30) below the positioning ring (300) is provided with an internal thread (301), and a collar (31) is provided at the bottom of the outer wall of the protective cap (3).

8. The terminal block according to claim 7, characterized in that: A limiting stud (21) is provided on the outer wall of the conductive rod (2) near the top, the outer diameter of the limiting stud (21) is matched with the inner diameter of the protective groove (30), the inner thread (301) is threadedly connected to the limiting stud (21), and a plurality of anti-slip columns (32) are provided on the outer wall of the protective cap (3) near the top.

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