Terminal structure for fixing lead

Abstract

The utility model discloses a terminal structure for fixing a lead, which comprises a terminal body, the terminal body comprises a base body, the base body is provided with a plurality of connecting surfaces, each connecting surface is provided with an assembly hole, a threaded cylinder is arranged in each assembly hole, and the periphery of each threaded cylinder is provided with a positioning column; threads are formed in the threaded cylinder; according to the utility model, the terminal body is designed, the plurality of connecting surfaces are designed on the terminal body, the threaded cylinders are designed on the connecting surfaces, the connecting noses are connected with the terminal body through the bolts, and the terminal body is welded on the PCB, so that during connection, the direction positioning of the copper nose is completed through the positioning columns, and meanwhile, even if the bolts are not tightened, the copper nose can be fixed on the PCB. And the copper nose is also influenced by the positioning column and does not swing, so that the risk of short circuit is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of metal terminal, specifically a terminal structure for fixing lead wire. BACKGROUND

[0002] At present, the fixing of lead wire and PCB board is basically through the welding of connecting seat on the PCB board, and then locking through the screw, fixing the connecting nose of connecting lead wire on the connecting seat through the screw, and completing the connection.

[0003] However, after the connection, the direction of the connecting nose is easy to be dislocated, and the connecting nose is easy to swing in the untightened state, which has the risk of short circuit. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a terminal structure for fixing lead wire to solve the above problems in the prior art.

[0005] Technical scheme: a terminal structure for fixing lead wire, comprising:

[0006] The terminal body comprises a base body, the base body has a plurality of connecting surfaces, an assembly hole is formed on each connecting surface, a threaded cylinder is arranged in the assembly hole, and a positioning column is arranged on the periphery of the threaded cylinder;

[0007] A screw thread is formed in the threaded cylinder;

[0008] The utility model discloses a terminal body, a plurality of connecting surfaces are designed on the terminal body, and a threaded cylinder is designed on the connecting surface, the connecting nose is connected with the terminal body through a bolt, and the terminal body is welded on the PCB board, when connecting, the direction of the copper nose is positioned through the positioning column, even in the untightened state of the bolt, the copper nose is affected by the positioning column and does not swing, and the risk of short circuit is reduced. In a further embodiment, the base body bottom is provided with a welding foot.

[0009] In a further embodiment, the bottom of the base body is provided with a welding disc.

[0010] The design of the welding foot does not exceed the thickness of the PCB board, so that the welding foot is located in the welding hole of the PCB board when inserted into the PCB board for welding, and does not leak out.

[0011] Through the design of the welding foot and the welding disc, the terminal has the function of the patch terminal based on the plug-in terminal, and the design of the welding foot and the welding disc can make the welding more firm.

[0012] The design of the soldering disc and the soldering foot of the terminal body can increase the torque when the bolt is screwed in during fixing, and compared with the traditional method of directly fixing the lead wire on the PCB through the bolt, the torque is larger, and compared with the simple patch terminal, the surface area through by the large current is increased.

[0013] In a further embodiment, the soldering disc is located above the soldering foot and on the inner side of the soldering foot.

[0014] In a further embodiment, the positioning column is provided with a connecting nose, the connecting nose is provided with a positioning hole matched with the positioning column, and a mounting hole matched with the mounting hole.

[0015] The design of the positioning column and the connecting nose avoids the rotation of the copper nose affected by the lead wire, and the orientation of the copper nose can be selected according to the actual working condition and has multiple angles.

[0016] In actual connection, the copper nose connected with the lead wire is adjusted to a suitable orientation, the copper nose is matched with the positioning column on the connecting surface of the position to be mounted, and then the bolt is screwed into the threaded cylinder to complete the connection, and after the connection, the copper nose can be fixed again through welding.

[0017] In a further embodiment, the connecting nose is connected with the lead wire.

[0018] In a further embodiment, the threaded cylinder is provided with a bolt matched with the thread, and the bolt is used for fixing the connecting nose and the terminal body.

[0019] Beneficial effects: the utility model discloses a terminal structure for fixing lead wire, the utility model discloses a terminal body is designed, a plurality of connecting surfaces are designed on the terminal body, and a threaded cylinder is designed on the connecting surface, the connecting nose is connected with the terminal body through the bolt, and the terminal body is welded on the PCB, when connecting, the direction of the copper nose is positioned through the positioning column, and even in the state that the bolt is not tightened, the copper nose is affected by the positioning column and will not swing, so that the risk of short circuit is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structural schematic diagram of the utility model.

[0021] Figure 2 It is the terminal body structure schematic diagram of the utility model.

[0022] The reference signs are:

[0023] 1, terminal body;11, base body;12, threaded cylinder;13, positioning column;14, soldering foot;15, soldering disc;

[0024] 2, connecting nose; DETAILED DESCRIPTION

[0025] The application relates to a terminal structure for fixing a lead wire, which is explained in detail below through a specific embodiment.

[0026] A terminal structure for fixing a lead wire comprises:

[0027] A terminal body 1 comprises a base body 11 provided with a plurality of connecting surfaces, each of which is provided with an assembly hole and a threaded cylinder 12 in the assembly hole, and the peripheral part of the threaded cylinder 12 is provided with a positioning column 13.

[0028] The threaded cylinder 12 is provided with threads.

[0029] The utility model discloses a terminal body 1, a plurality of connecting surfaces are designed on the terminal body 1, and the threaded cylinder 12 is designed on the connecting surface, the connecting nose 2 is connected with the terminal body 1 through a bolt, and the terminal body 1 is welded on the PCB board, when connecting, the direction positioning of the copper nose 2 is completed through the positioning column 13, and even when the bolt is not tightened, the copper nose 2 is also affected by the positioning column 13, and swing does not occur, and the risk of short circuit is reduced.

[0030] The base body 11 is provided with a welding foot 14 at the bottom.

[0031] The base body 11 is provided with a welding disc 15 at the bottom.

[0032] The welding foot 14 is designed to be not more than the thickness of the PCB board, so that the welding foot 14 is located in the welding hole of the PCB board when being inserted into the PCB board for welding and does not leak out.

[0033] Through the design of the welding foot 14 and the welding disc 15, the terminal has the function of a patch terminal on the basis of a plug-in terminal, and the design of the welding foot 14 and the welding disc 15 can make welding more firm.

[0034] The design of the welding disc 15 and the welding foot 14 of the terminal body 1 can increase the torque when the bolt is screwed during fixation, and compared with the traditional method of directly fixing the lead wire on the PCB board through the bolt, the torque is larger, and compared with a simple patch terminal, the surface area through by large current is increased.

[0035] The welding disc 15 is located above the welding foot 14 and is located on the inner side of the welding foot 14.

[0036] The positioning column 13 is adapted with the connecting nose 2, the connecting nose 2 is provided with a positioning hole matched with the positioning column 13 and a mounting hole matched with the assembly hole.

[0037] The positioning column 13 and the connecting nose 2 are designed to avoid the rotation of the copper nose affected by the lead wire, and the orientation of the copper nose can be selected according to the actual working condition, and the copper nose has multiple angles.

[0038] In actual connection, the copper nose connected with the lead wire is adjusted to a proper orientation, the copper nose is corresponded to the positioning column 13 on the connecting surface of the position to be installed, and then the bolt is screwed into the threaded cylinder 12 to complete the connection, and after the connection, the copper nose can be fixed again by welding.

[0039] The connecting nose 2 is externally connected with the lead wire.

[0040] The threaded cylinder 12 is provided with a bolt matched with the thread, and the bolt is used for fixing the connecting nose 2 and the terminal body 1.

[0041] Working principle description: in work, the soldering hole of the PCB and the soldering area of the soldering disc 15 are coated with tin paste, the soldering foot 14 is inserted into the soldering hole of the PCB and does not expose, the soldering disc 15 is placed on the soldering area, and the soldering is completed. After soldering, the copper nose connected with the lead wire is adjusted to a proper orientation, the copper nose is corresponded to the positioning column 13 on the connecting surface of the position to be installed, and then the bolt is screwed into the threaded cylinder 12 to complete the connection, and after the connection, the copper nose can be fixed again by welding.

[0042] The preferred embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the specific details in the above embodiments, and various equivalent transformations can be made to the technical scheme of the utility model within the technical concept of the utility model, and these equivalent transformations all belong to the protection scope of the utility model.

Claims

1. A terminal structure for fixing a lead wire, characterized by, Comprise: The terminal body (1) comprises a base body (11) having a plurality of connecting surfaces, each connecting surface is provided with an assembly hole, and a threaded cylinder (12) is arranged in the assembly hole, and the periphery of the threaded cylinder (12) is provided with a positioning column (13); The threaded cylinder (12) is provided with a thread.

2. The terminal structure for securing a lead wire according to claim 1, characterized by: The bottom of the base body (11) is provided with a welding foot (14).

3. The terminal structure for securing a lead wire according to claim 1, characterized by: The bottom of the base body (11) is provided with a welding disc (15).

4. The terminal structure for securing a lead wire according to claim 3, characterized by: The welding disc (15) is located above the welding foot (14) and is located on the inner side of the welding foot (14).

5. The terminal structure for securing a lead wire according to claim 1, characterized by: The positioning column (13) is fitted with a connecting nose (2), the connecting nose (2) is provided with a positioning hole matched with the positioning column (13), and a mounting hole matched with the assembly hole.

6. A terminal structure for securing a lead wire according to claim 5, characterized by: The connecting nose (2) is connected with a lead wire.

7. The terminal structure for securing a lead wire according to claim 1, characterized by: The threaded cylinder (12) is provided with a bolt matched with the thread; The bolt is used for fixing the connecting nose (2) and the terminal body (1).

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