Wiring terminal

Abstract

The utility model relates to a wiring terminal which comprises a wiring block, the wiring block is provided with a wiring cavity, and the upper part of the wiring cavity is provided with a wire pressing bolt; the wiring cavity comprises an upper wiring cavity arranged on the upper portion of the wiring block and a lower wiring cavity arranged on the lower portion of the wiring block, the upper wiring cavity and the lower wiring cavity are arranged in the left-right direction, and at least one end of the lower wiring cavity is provided with a lower wire inlet. An insulating shell is arranged outside the wiring block, an upper slot is formed in the middle of the upper wiring cavity in the upper portion of the wiring block, an upper baffle inserted into the upper slot is arranged on the insulating shell and divides the upper wiring cavity into a left wiring cavity and a right wiring cavity, and upper wiring ports are formed in the left end of the left wiring cavity and the right end of the right wiring cavity. The wiring terminal provided by the utility model is reasonable in structural design, can adapt to access of more wires with more specifications, and has better practicability.

Description

Technical Field

[0001] The utility model relates to a wiring terminal and belongs to the field of electrical wiring device structure design. Background Art

[0002] Terminal blocks are an accessory product used to achieve electrical connections. Figure 1 As shown, an existing wiring terminal usually adopts a double-hole wiring terminal. When this wiring terminal is used, the number of wires connected is small, and the wire diameter of the connected wire is single, so the scope of use is limited. Utility Model Content

[0003] In this regard, the utility model provides a wiring terminal. Compared with a double-hole wiring terminal, the wiring terminal in the present application can connect a larger number of wires and has good practicality.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The utility model provides a wiring terminal, comprising a wiring block, a wiring cavity is provided on the wiring block, and a wire pressing bolt is provided on the upper part of the wiring cavity;

[0006] The wiring chamber comprises an upper wiring chamber arranged at the upper part of the wiring block and a lower wiring chamber arranged at the lower part of the wiring block, the upper wiring chamber and the lower wiring chamber are arranged along the left-right direction, and at least one end of the lower wiring chamber is provided with a lower wire inlet;

[0007] An insulating shell is provided on the outside of the wiring block, an upper slot is provided on the upper part of the wiring block in the middle of the upper wiring cavity, an upper baffle is provided on the insulating shell to be inserted into the upper slot, the upper baffle divides the upper wiring cavity into a left wiring cavity and a right wiring cavity, and upper wire inlets are provided at the left end of the left wiring cavity and the right end of the right wiring cavity.

[0008] In some embodiments, a tooth structure is provided on the inner bottom wall of at least one wiring cavity, and the tooth structure includes a plurality of teeth extending along the length direction of the wiring cavity.

[0009] In some embodiments, a pad is provided in at least one wiring cavity, the bottom surface of the pad matches the shape of the bottom wall of the wiring cavity, the upper part of the pad is provided with at least one groove structure with an opening facing upward, and the wire pressing bolt is correspondingly arranged above the groove structure.

[0010] In some embodiments, a mounting screw hole is provided on the wall of the wiring cavity, and the wire pressing bolt is screwed into the mounting screw hole;

[0011] The cushion block is fixed in the wiring cavity by means of fixing screws, and the fixing screws are directly opposite to the mounting screw holes.

[0012] In some embodiments, a lower baffle is provided on the insulating shell, a lower slot is provided on the wall of the lower wiring cavity, and a lower baffle is provided on the insulating shell to be inserted into the lower wiring cavity through the lower slot, and the plate surface of the lower baffle is opposite to the lower wire inlet.

[0013] In some embodiments, the insulating housing is provided with an outwardly protruding mounting ear plate on the outside, and the mounting ear plate is provided with a mounting hole.

[0014] In some embodiments, the insulating shell includes a bottom shell and an upper shell, and the upper shell is aligned with and fixedly connected to the bottom shell.

[0015] In some embodiments, one of the upper shell and the bottom shell is provided with an elastic buckle, and the other is provided with a button hole, and the elastic buckle is buckled with the button hole.

[0016] In some embodiments, the junction block is made of aluminum alloy or copper.

[0017] The technical solution of the utility model has positive effects: in the wiring terminal of the utility model, by arranging the above-mentioned upper wiring cavity and lower wiring cavity structure on the wiring block, it is possible to adapt to the connection of a larger number of wires. When wiring, the ends of the wires are correspondingly extended into the upper wiring cavity and the lower wiring cavity from the upper wire inlet and the lower wire inlet; and by arranging the upper baffle, it can play a wire blocking role, thereby resisting the ends of the wires when the wires are connected to prevent excessive extension. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0019] Figure 1 It is a structural schematic diagram of an existing wiring terminal;

[0020] Figure 2 It is a three-dimensional diagram of the wiring terminal in the utility model;

[0021] Figure 3 for Figure 2 A front view of the terminal block shown;

[0022] Figure 4 For along Figure 3 Sectional view cut along line AA;

[0023] Figure 5 For along Figure 3 Sectional view along the midline BB (rotated 90 degrees clockwise);

[0024] Figure 6 For along Figure 3 Sectional view cut along the CC line (rotated 90 degrees clockwise);

[0025] Figure 7 This is an exploded view of the wiring terminal in the present invention.

[0026] Reference numerals shown in the figure: 1-wiring block; 10-wiring cavity; 11-upper wiring cavity; 12-lower wiring cavity; 13-lower wire inlet; 14-upper slot; 15-upper wire inlet; 16-tooth structure; 17-mounting screw hole; 18-lower slot; 2-wire pressing bolt; 3-insulating shell; 31-upper baffle; 32-lower baffle; 33-mounting ear plate; 34-bottom shell; 35-upper shell; 36-elastic buckle; 37-buck hole; 4-pad; 41-groove structure; 5-fixing screw. DETAILED DESCRIPTION

[0027] 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.

[0028] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present utility model are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. In the present utility model, unless otherwise clearly specified and limited, the terms "connection", "fixed", etc. should be understood in a broad sense. For example, "fixed" can be a fixed connection, a detachable connection, or an integral whole; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0030] The wiring terminal structure provided in this embodiment is as follows Figures 2 to 7As shown, it includes a junction block 1, a junction cavity 10 is provided on the junction block 1, and a wire pressing bolt 2 is provided on the upper part of the junction cavity 10. When wiring, the end of the wire is inserted into the junction cavity 10, and then the end of the wire is pressed by tightening the wire pressing bolt 2. The junction block 1 can be made of aluminum alloy or copper. Although copper has excellent electrical conductivity, the material cost is high. Therefore, based on cost-effectiveness considerations, the junction block 1 is preferably made of aluminum alloy.

[0031] See also Figure 4 As shown, the wiring chamber 10 includes an upper wiring chamber 11 provided at the upper part of the wiring block 1 and a lower wiring chamber 12 provided at the lower part of the wiring block 1, the upper wiring chamber 11 and the lower wiring chamber 12 are both arranged in the left-right direction, and the lower wiring chamber 12 is provided with a lower wire inlet 13 at at least one end; the wiring block 1 is provided with an insulating shell 3 on the outside, and the upper part of the wiring block 1 is provided with an upper slot 14 in the middle of the upper wiring chamber 11, and the insulating shell 3 is provided with an upper baffle 31 inserted into the upper slot 14, and the upper baffle 31 divides the upper wiring chamber 11 into a left wiring chamber and a right wiring chamber. The left end of the left wiring cavity and the right end of the right wiring cavity are both provided with an upper wire inlet 15; in the wiring terminal, by providing the above-mentioned upper wiring cavity 11 and lower wiring cavity 12 structures on the wiring block 1, it is possible to adapt to the connection of a larger number of wires, and when wiring, the ends of the wires are correspondingly extended into the upper wiring cavity 11 and the lower wiring cavity 12 from the upper wire inlet 15 and the lower wire inlet 13; and the upper baffle 31 can play a wire blocking role, thereby blocking the ends of the wires when the wires are connected to prevent excessive extension; in addition, the insulating shell 3 can play a shielding and protective role on the wiring block 1.

[0032] Furthermore, in order to better compress the wire in the wiring cavity 10, a tooth structure 16 is provided on the bottom wall of at least one wiring cavity 10, and the tooth structure 16 includes a plurality of teeth extending along the length direction of the wiring cavity 10. The tooth structure 16 can form a bite shape with the wire when the wire is compressed, thereby enhancing the connection firmness and preventing the wire from loosening. At the same time, the multiple small gaps between the teeth are conducive to exhaust and heat dissipation.

[0033] like Figures 4 to 6 As shown, in order to adapt to the connection of small-diameter wires, a pad 4 is provided in at least one wiring cavity 10, and the bottom surface of the pad 4 matches the shape of the bottom wall of the wiring cavity 10, with a large contact surface and good conductivity. The setting of the pad 4 reduces the diameter of the wiring cavity 10, and in order to better limit the wire, at least one groove structure 41 with an upward opening is provided on the upper part of the pad 4, and the wire pressing bolt 2 is correspondingly arranged above the groove structure 41, and the end of the wire is placed in the groove structure 41 during wiring.

[0034] In actual use, when only one groove-like structure 41 is provided on the pad 4, the width of the groove-like structure 41 is relatively large, which is suitable for connecting thicker wires. When two or more groove-like structures 41 are provided on the pad 4, the width of each groove-like structure 41 is relatively small, which is suitable for connecting thinner wires. During specific wiring, the user can install a suitable pad 4 according to actual wiring requirements.

[0035] In some embodiments, Figure 4 and Figure 6 As shown, a mounting screw hole 17 is provided on the wall of the wiring cavity 10, and the wire pressing bolt 2 is screwed into the mounting screw hole 17; in order to reliably fix the cushion block 2 in the wiring cavity 10 to prevent it from falling, the cushion block 4 is fixed in the wiring cavity 10 using a fixing screw 5, and the fixing screw 5 is directly opposite to the mounting screw hole 17, so that during assembly, the tip of the screwdriver can be extended through the mounting screw hole 17 to screw the fixing screw 5 to improve the convenience of operation.

[0036] In some embodiments, a lower baffle plate 32 is provided on the insulating shell 3, a lower slot 18 is provided on the cavity wall of the lower wiring cavity 12, and a lower baffle plate 32 is provided on the insulating shell 3 to be inserted into the lower wiring cavity 12 by the lower slot 18. The plate surface of the lower baffle plate 32 is opposite to the lower wire inlet 13, and the lower baffle plate 32 plays a wire blocking role, thereby being able to control the insertion depth of the wire end in the lower wiring cavity 12 to ensure the reliability of wiring.

[0037] In order to facilitate the installation of the terminal block, the insulating housing 3 is provided with an outwardly protruding mounting ear plate 33 on the outside. The mounting ear plate 33 is provided with a mounting hole. During installation, screws are passed through the mounting holes and then locked with the external device to complete the installation.

[0038] like Figure 7 As shown, in order to facilitate the assembly of the insulating shell 3, the insulating shell 3 is set to a split assembly structure, exemplarily: the insulating shell 3 includes a bottom shell 34 and an upper shell 35, and the upper shell 35 is aligned with the bottom shell 34 and fixedly connected; in order to facilitate assembly, a downward elastic buckle 36 is provided on the upper shell 35, and a buckle hole 37 is provided on the bottom shell 34, and the upper shell 35 and the bottom shell 34 are assembled together by buckling the elastic buckle 36 with the buckle hole 37; as a variation, in actual operation, the elastic buckle 36 can also be set on the bottom shell 34, and the buckle hole 37 can be correspondingly set on the upper shell 35.

[0039] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A wiring terminal, comprising a wiring block (1), wherein the wiring block (1) is provided with a wiring cavity (10), and a wire pressing bolt (2) is provided on the upper part of the wiring cavity (10); characterized in that: The wiring chamber (10) comprises an upper wiring chamber (11) arranged at the upper part of the wiring block (1) and a lower wiring chamber (12) arranged at the lower part of the wiring block (1), the upper wiring chamber (11) and the lower wiring chamber (12) are both arranged in the left-right direction, and a lower wire inlet (13) is arranged at at least one end of the lower wiring chamber (12); An insulating shell (3) is provided on the outside of the wiring block (1); an upper slot (14) is provided on the upper part of the wiring block (1) in the middle of the upper wiring cavity (11); an upper baffle (31) inserted into the upper slot (14) is provided on the insulating shell (3); the upper baffle (31) divides the upper wiring cavity (11) into a left wiring cavity and a right wiring cavity; upper wire inlets (15) are provided at the left end of the left wiring cavity and the right end of the right wiring cavity.

2. The connection terminal according to claim 1, characterized in that: A tooth structure (16) is provided on the inner bottom wall of at least one wiring cavity (10), wherein the tooth structure (16) comprises a plurality of teeth extending along the length direction of the wiring cavity (10).

3. The connection terminal according to claim 1, characterized in that: A cushion block (4) is provided in at least one wiring cavity (10), the bottom surface of the cushion block (4) matches the shape of the bottom wall of the wiring cavity (10), the upper part of the cushion block (4) is provided with at least one groove structure (41) with an opening facing upward, and the wire pressing bolt (2) is correspondingly arranged above the groove structure (41).

4. The connection terminal according to claim 3, characterized in that: The wall of the wiring cavity (10) is provided with a mounting screw hole (17), and the wire pressing bolt (2) is screwed into the mounting screw hole (17); The cushion block (4) is fixed in the wiring cavity (10) by means of a fixing screw (5), and the fixing screw (5) is directly opposite to the mounting screw hole (17).

5. The connection terminal according to claim 1, characterized in that: The insulating housing (3) is provided with a lower baffle (32), the cavity wall of the lower wiring cavity (12) is provided with a lower slot (18), the insulating housing (3) is provided with a lower baffle (32) inserted into the lower wiring cavity (12) through the lower slot (18), and the plate surface of the lower baffle (32) is opposite to the lower wire inlet (13).

6. The connection terminal according to claim 1, characterized in that: The insulating housing (3) is provided with an outwardly protruding mounting ear plate (33) on the outside, and the mounting ear plate (33) is provided with a mounting hole.

7. The connection terminal according to claim 1, characterized in that: The insulating shell (3) comprises a bottom shell (34) and an upper shell (35), and the upper shell (35) is abutted against and fixedly connected to the bottom shell (34).

8. The connection terminal according to claim 7, characterized in that: One of the upper shell (35) and the bottom shell (34) is provided with an elastic buckle (36), and the other is provided with a buckle hole (37), and the elastic buckle (36) is buckled with the buckle hole (37).

9. The connection terminal according to claim 1, characterized in that: The junction block (1) is made of aluminum alloy or copper.

Images