CN111786140A

CN111786140A - Connecting terminal

Info

Publication number: CN111786140A
Application number: CN202010442359.XA
Authority: CN
Inventors: 张文亮; 周驰; 万志辉; 李海; 程旎
Original assignee: Wuhan Marine Machinery Plant Co Ltd
Current assignee: Wuhan Marine Machinery Plant Co Ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-10-16
Anticipated expiration: 2040-05-22
Also published as: CN111786140B

Abstract

The disclosure provides a wiring terminal, and relates to the technical field of electrical equipment. The connecting piece is connected with one end of the connecting tube, and is provided with a first surface, a second surface and a connecting hole, wherein the first surface and the second surface are opposite, and the connecting hole is communicated with the first surface and the second surface; the adjusting structure comprises a first adjusting plate, a second adjusting plate and an elastic piece, wherein the first adjusting plate and the second adjusting plate are both located on a first surface, at least one of the first adjusting plate and the second adjusting plate can be installed on the first surface in a sliding mode, the connecting hole is at least partially located between the first adjusting plate and the second adjusting plate, and the elastic piece is connected with the first adjusting plate and the second adjusting plate respectively and used for providing acting force for enabling the first adjusting plate and the second adjusting plate to be relatively close to each other. The wiring terminal can reduce wiring cost.

Description

Connecting terminal

Technical Field

The disclosure relates to the technical field of electrical equipment, in particular to a wiring terminal.

Background

A terminal is an element provided at an end of a cable in an electrical apparatus for connecting a terminal. The terminal generally includes a contact tube and a tab disposed at one end of the contact tube, both the contact tube and the tab being made of a metallic material. When the cable connector is used, one end of the cable is inserted into the wire connecting pipe, and the wire connecting pipe is deformed under the action of the wire pressing pliers to clamp the cable in the wire connecting pipe.

In the related art, a connecting hole is formed in a connecting piece of a connecting terminal, and when the connecting terminal is connected, the connecting hole is sleeved on the connecting terminal, and then the connecting piece is locked on the connecting terminal through a nut.

The connecting holes of the connecting plates are generally required to be matched with the diameters of the terminals, but in actual assembly, the connecting holes of the connecting plates are often much larger in aperture than the diameters of the terminals, so that the connecting terminals cannot be connected to the terminals.

Disclosure of Invention

The embodiment of the disclosure provides a wiring terminal, which can reduce wiring cost. The technical scheme is as follows:

the disclosed embodiment provides a binding post, includes:

the connecting piece is connected with one end of the wire connecting tube and is provided with a first surface, a second surface and a connecting hole, wherein the first surface and the second surface are opposite, and the connecting hole is communicated with the first surface and the second surface;

the adjusting structure comprises a first adjusting plate, a second adjusting plate and an elastic piece, wherein the first adjusting plate and the second adjusting plate are located on the first surface, at least one of the first adjusting plate and the second adjusting plate can be installed on the first surface in a sliding mode, at least part of the connecting hole is located between the first adjusting plate and the second adjusting plate, and the elastic piece is connected with the first adjusting plate and the second adjusting plate respectively and used for providing acting force for enabling the first adjusting plate and the second adjusting plate to be relatively close together.

Optionally, the first surface has a first sliding groove thereon, and the connecting hole, the first adjusting plate and the second adjusting plate are all located in the first sliding groove.

Optionally, the connection terminal further includes a limiting plate, at least one side wall of the first chute is connected to the limiting plate, the limiting plate is spaced from the bottom surface of the first chute, and the first adjusting plate and the second adjusting plate are located between the bottom surface of the first chute and the limiting plate.

Optionally, at least one of the first adjusting plate and the second adjusting plate has a second sliding groove thereon, the second sliding groove extends along a direction in which the first adjusting plate and the second adjusting plate slide relative to each other, and the connecting piece is located in the second sliding groove.

Optionally, the wiring terminal further comprises a first limiting bump and a second limiting bump, the first limiting bump and the second limiting bump are arranged on the first surface at intervals, and the first regulating plate and the second regulating plate are located between the first limiting bump and the second limiting bump in the relative sliding direction of the first regulating plate and the second regulating plate.

Optionally, a first clamping groove is formed in the side edge, close to the second adjusting plate, of the first adjusting plate, the orthographic projection of the first clamping groove on the connecting plate is located in the connecting hole, a second clamping groove is formed in the side edge, close to the first adjusting plate, of the second adjusting plate, and the orthographic projection of the second clamping groove on the connecting plate is located in the connecting hole.

Optionally, the elastic member includes two springs, and the connection hole is located between the two springs.

Optionally, the first adjusting plate and the second adjusting plate are both provided with mounting holes for mounting the spring, one end of the spring is located in the mounting hole on the first adjusting plate, and the other end of the spring is located in the mounting hole on the second adjusting plate.

Optionally, the wire connecting pipe comprises a barrel and a partition plate, the partition plate is connected to one end of the barrel, and the connecting piece is connected to the partition plate.

Optionally, the connecting piece and the junction tube are both copper structural members.

The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure at least comprise:

through setting up connection piece, wire barrel and regulation structure, binding post is when using, and the wire barrel can be used for with cable junction, has the intercommunication on the connection piece the first surface with the connecting hole of second surface can be through connecting hole with the connection piece cover on the binding post. The adjusting structure comprises a first adjusting plate, a second adjusting plate and an elastic piece, wherein the first adjusting plate and the second adjusting plate are both positioned on the first surface, at least one of the first adjusting plate and the second adjusting plate is slidably mounted on the first surface, and at least part of a connecting hole is positioned between the first adjusting plate and the second adjusting plate, so that when the connecting piece is sleeved on the binding post, the positions of the first adjusting plate and the second adjusting plate can be adjusted, the binding post is positioned between the first adjusting plate and the second adjusting plate, the elastic piece provides an acting force for enabling the first adjusting plate and the second adjusting plate to be relatively close, the binding post is clamped by the first adjusting plate and the second adjusting plate to adapt to the binding posts with different sizes, the fixed connection between the binding post and the binding post is realized, the redesign of the connecting hole on the binding post is not needed, the wiring cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a front view of a connection terminal provided in an embodiment of the present disclosure;

fig. 2 is a top view of a structure of a connection terminal provided in an embodiment of the disclosure;

fig. 3 is a side view of a structure of a connection terminal provided by an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a connection terminal and a copper bar fixedly connected according to an embodiment of the disclosure;

FIG. 5 is a schematic structural diagram of a connecting sheet according to an embodiment of the disclosure;

FIG. 6 is a schematic structural view of another connecting piece provided by the embodiment of the disclosure;

fig. 7 is a top view of another terminal provided in accordance with an embodiment of the present disclosure;

fig. 8 is a schematic view of the first regulation plate and the second regulation plate of the junction terminal shown in fig. 7;

fig. 9 is a left side view of the wire connecting terminal shown in fig. 7;

fig. 10 is a schematic structural view of a terminal assembly provided by the present disclosure.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

In the related art, the connection terminal generally includes a connection tube and a connection piece, the connection piece has a connection hole, the connection tube is connected to a wire, the connection hole is sleeved on a connection terminal connected to a copper bar of the electronic device, and the connection piece is locked to the connection terminal by a nut.

Fig. 1 is a front view of a wire connecting terminal provided by an embodiment of the present disclosure. As shown in fig. 1, the connection terminal includes: connecting piece 1, wire barrel 2 and regulation structure 3, connecting piece 1 is connected with one end of wire barrel 2, and connecting piece 1 has opposite first surface 11 and second surface 12, and communicates first surface 11 and second surface 12's connecting hole 13.

Fig. 2 is a top view of a wire connecting terminal provided by an embodiment of the present disclosure. Fig. 3 is a side view of a wire terminal provided by an embodiment of the present disclosure. As shown in fig. 2 and 3, the adjusting structure 3 includes a first adjusting plate 31, a second adjusting plate 32, and an elastic member 33, the first adjusting plate 31 and the second adjusting plate 32 are both located on the first surface 11, and both of the first adjusting plate 31 and the second adjusting plate 32 are slidably mounted on the first surface 11, and the coupling hole 13 is at least partially located between the first adjusting plate 31 and the second adjusting plate 32. The elastic member 33 is connected to the first adjusting plate 31 and the second adjusting plate 32, respectively, and the elastic member 33 is used to provide a force for relatively drawing the first adjusting plate 31 and the second adjusting plate 32 together.

Fig. 4 is a schematic structural diagram of a connection terminal and a copper bar in fixed connection according to an embodiment of the disclosure. In the embodiment of the present disclosure, in conjunction with fig. 1 and 3, the connection terminal is used to connect the cable m and the copper bar n of the electrical device, which are independent of each other. Wherein, binding post includes junction box 2, and through inserting in the body of junction box 2 with the one end of cable m, rethread wire pressing pliers presss from both sides tightly the outer wall of junction box 2, makes the body of junction box 2 take place to deform and compresses tightly fixedly to the cable m who inserts in the body, realizes being connected of cable m and binding post. And the connecting sheet 1 in the connecting terminal is used for connecting with a copper bar n of the electrical equipment, and the connecting sheet 1 is provided with a first surface 11 and a second surface 12 which are opposite, and a connecting hole 13 which is communicated with the first surface 11 and the second surface 12. The second surface 12 is attached to the copper bar n, sleeved on a binding post o connected with the copper bar n through a connecting hole 13 and locked through a nut p, and the binding post is connected with the copper bar n.

The binding post that this disclosure embodiment provided, through setting up connection piece, connecting tube and regulation structure, binding post when using, the connecting tube can be used for with cable junction, has the intercommunication on the connection piece the first surface with the connecting hole of second surface, can overlap the connection piece on the binding post through the connecting hole. The adjusting structure comprises a first adjusting plate, a second adjusting plate and an elastic piece, wherein the first adjusting plate and the second adjusting plate are both positioned on the first surface, at least one of the first adjusting plate and the second adjusting plate is slidably mounted on the first surface, and at least part of a connecting hole is positioned between the first adjusting plate and the second adjusting plate, so that when the connecting piece is sleeved on the binding post, the positions of the first adjusting plate and the second adjusting plate can be adjusted, the binding post is positioned between the first adjusting plate and the second adjusting plate, the elastic piece provides an acting force for enabling the first adjusting plate and the second adjusting plate to be relatively close, the binding post is clamped by the first adjusting plate and the second adjusting plate to adapt to the binding posts with different sizes, the fixed connection between the binding post and the binding post is realized, the redesign of the connecting hole on the binding post is not needed, the wiring cost is reduced.

In other possible implementations, one of the first and second adjusting

plates

31 and 32 may be fixedly attached to the first surface 11, and the other of the first and second adjusting

plates

31 and 32 may be slidably mounted on the first surface 11. For example, the first adjusting plate 31 is fixedly connected to the first surface 11, the second adjusting plate 32 is slidably mounted on the first surface 11, and when the distance between the first adjusting plate 31 and the second adjusting plate 32 needs to be adjusted, only the second adjusting plate 32 needs to be pulled.

Optionally, the terminal further includes a first limiting protrusion 4a and a second limiting protrusion 4b, the first limiting protrusion 4a and the second limiting protrusion 4b are disposed on the first surface 11 at an interval, and the first adjusting plate 31 and the second adjusting plate 32 are located between the first limiting protrusion 4a and the second limiting protrusion 4b in a direction in which the first adjusting plate 31 and the second adjusting plate 32 slide relatively. The first adjusting plate 31 and the second adjusting plate 32 are connected by the elastic member 33, and the elastic member 33 generally has an elastic limit, and if a worker stretches the elastic member 33 beyond the elastic limit during the adjustment of the distance between the first adjusting plate 31 and the second adjusting plate 32, the elastic member 33 may not be restored to its original shape, and the adjusting mechanism 3 may not clamp the terminal o. Illustratively, in the embodiment of the present disclosure, first and

second limit protrusions

4a and 4b are provided at intervals on the first surface 11 of the connecting plate 1 according to the elastic limit and the maximum elongation of the elastic member 33, and the first and second

regulating plates

31 and 32 are located between the first and

second limit protrusions

4a and 4b in a direction in which the first and second

regulating plates

31 and 32 slide relative to each other. First spacing lug 4a and second spacing lug 4b can be spacing the slip stroke of first regulating plate 31 and second regulating plate 32 in the relative slip's of first regulating plate 31 and second regulating plate 32 direction, avoid the staff when adjusting first regulating plate 31 and second regulating plate 32 and carry out relative slip, and the elastic component 33 leads to inefficacy because of being stretched the overlength, has improved binding post's life.

Alternatively, the elastic member 33 includes two springs, and the connection hole 13 is located between the two springs. Exemplarily, in the embodiment of the present disclosure, the first adjusting plate 31 and the second adjusting plate 32 are connected by providing two springs as the elastic members 33, and the connection hole 13 is located between the two springs after the first adjusting plate 31 and the second adjusting plate 32 are mounted on the first surface 11. Two springs are adopted to provide acting force for enabling the first adjusting plate 31 and the second adjusting plate 32 to be relatively close, spring tension applied to the first adjusting plate 31 and the second adjusting plate 32 is larger and more average, the first adjusting plate 31 and the second adjusting plate 32 are not prone to offsetting in the relative sliding direction, and assembling stability of the adjusting structure 3 is improved.

Alternatively, the first adjusting plate 31 and the second adjusting plate 32 are provided with mounting holes 34 for mounting springs, one end of each spring is fixedly connected to the mounting hole 34 of the first adjusting plate 31, and the other end of each spring is fixedly connected to the mounting hole 34 of the second adjusting plate 32. The spring has a certain length, two ends of the spring are fixedly connected with two sides, close to each other, of the first adjusting plate 31 and the second adjusting plate 32, the minimum distance between the first adjusting plate 31 and the second adjusting plate 32 is the length of the spring in a free state (the spring is in a non-deformation state), through the arrangement of the mounting hole 34, one part of the spring is located in the mounting hole 34, the minimum distance between the first adjusting plate 31 and the second adjusting plate 32 can be smaller than the length of the spring in the free state, and the first adjusting plate 31 and the second adjusting plate 32 are beneficial to clamping a binding post.

Exemplarily, in the embodiment of the present disclosure, the mounting hole 34 is a counter bore, when the spring and the first and

second adjusting plates

31 and 32 are assembled, both ends of the spring are fixedly connected to the bottom of the mounting hole 34 by welding, so that the elastic member 33 is fixedly connected to the first and

second adjusting plates

31 and 32, the connection strength is high, the spring is not easily loosened, and the structure is simple and the processing is convenient.

For example, in other possible implementation manners, the spring may be fixedly connected to the bottom of the mounting hole 34 by bonding with glue, as long as it is ensured that the connection of the elastic member 33 is tight and will not loosen during the process of pulling the first adjusting plate 31 and the second adjusting plate 32 by the worker, and the specific connection manner of the spring to the mounting hole 34 is not limited in the embodiment of the disclosure.

Alternatively, referring again to fig. 2 and 3, the first surface 11 has the first sliding groove 1a thereon, and the connecting hole 13, the first adjusting plate 31 and the second adjusting plate 32 are all located in the first sliding groove 1 a.

Fig. 5 is a schematic structural diagram of a connecting sheet according to an embodiment of the disclosure. Referring to fig. 2 and 3, the connecting sheet 1 includes a first side plate 14, a second side plate 15 and a sheet body 16, the first side plate 14 and the second side plate 15 are vertically connected to the same surface of the sheet body 16, the first side plate 14 and the second side plate 15 are spaced in parallel, a first chute 1a is defined by the first side plate 14, the second side plate 15 and the sheet body 16, a first adjusting plate 31 and a second adjusting plate 32 are slidably installed in the first chute 1a, and when the distance between the first adjusting plate 31 and the second adjusting plate 32 needs to be adjusted, a worker can relatively move the first adjusting plate 31 and the second adjusting plate 32 along the first chute 1a, so that the first adjusting plate 31 and the second adjusting plate 32 are relatively far away from or close to each other.

Optionally, the terminal further includes a limiting plate 17, the limiting plate 17 is connected to each of the side wall 141 of the first side plate and the side wall 151 of the second side plate, the limiting plate 17 is spaced from the bottom surface 11a of the first chute 1a, and the first adjusting plate 31 and the second adjusting plate 32 are located between the bottom surface 11a of the first chute 1a and the limiting plate 17. In the embodiment of the present disclosure, by providing the limiting plate 17 protruding toward the second side plate 15 on the first side plate 14, providing the limiting plate 17 protruding toward the first side plate 14 on the second side plate 15, and installing both the first adjusting plate 31 and the second adjusting plate 32 between the first surface 11 and the limiting plate 17, the limiting plate 17 can limit the sliding first adjusting plate 31 and the sliding second adjusting plate 32 in the direction perpendicular to the first surface 11, and prevent the first adjusting plate 31 and the second adjusting plate 32 from falling off from the first chute 1 a.

Fig. 6 is a schematic structural view of another connecting sheet provided in the embodiment of the disclosure. As shown in fig. 6, in another possible implementation manner, the limiting plate 17 may be connected to only one of the

side walls

141 and 151 of the first side plate, for example, the limiting plate 17 protruding from the second side plate 15 may be provided only on the side wall 141 of the first side plate. The present disclosure is not limited as long as it can limit the first and

second adjusting plates

31 and 32 installed to slide in the first chute 1a in a direction perpendicular to the first surface 11.

Fig. 7 is a top view of another terminal provided in accordance with an embodiment of the present disclosure. Fig. 8 is a schematic view of the structures of the first regulation plate and the second regulation plate of the junction terminal shown in fig. 7. As shown in fig. 7, the first adjusting plate 31 and the second adjusting plate 32 each have a second chute 3a, and the second chute 3a extends in a direction in which the first adjusting plate 31 and the second adjusting plate 32 slide relative to each other. Fig. 9 is a left side view of the connection terminal shown in fig. 7. As shown in fig. 7 to 9, the connecting piece 1 is located in the second chute 3 a. In the embodiment of the present disclosure, the connecting plate 1 is in a strip shape, and when the first adjusting plate 31 and the second adjusting plate 32 are mounted on the connecting plate 1 by providing the second chute 3a on the first adjusting plate 31 and the second adjusting plate 32, the first adjusting plate 31 and the second adjusting plate 32 are mounted on the connecting plate 1 through the second chute 3a, so that the bottom of the second chute 3a is attached to the first surface 11, and the opposite side walls 3c of the second chute 3a are attached to the opposite side edges of the connecting plate 1 connected to the first surface 11, so that the first adjusting plate 31 and the second adjusting plate 32 can slide on the first surface 11 in the direction of the arrow R in fig. 7 and 8, and a worker can adjust the first adjusting plate 31 and the second adjusting plate 32 in the extending direction of the second chute 3a to move the first adjusting plate 31 and the second adjusting plate 32 away from or close to each other, simple structure and convenient adjustment.

Illustratively, in other possible implementations, one of the first adjustment plate 31 and the second adjustment plate 32 may be fixedly attached to the first surface 11, and the other may be slidably mounted on the first surface 11. For example, the first adjusting plate 31 is mounted on the connecting plate 1 through the second sliding slot 3a and can slide relative to the connecting plate 1 in the extending direction of the second sliding slot 3a, and the second adjusting plate 32 is directly and fixedly mounted on the first surface 11, when the distance between the first adjusting plate 31 and the second adjusting plate 32 needs to be adjusted, only the first adjusting plate 31 needs to be pulled.

Optionally, a first locking groove 313 is formed on a side of the first adjusting plate 31 close to the second adjusting plate 32, an orthographic projection of the first locking groove 313 on the connecting plate 1 is located in the connecting hole 13, a second locking groove 322 is formed on a side of the second adjusting plate 32 close to the first adjusting plate 31, and an orthographic projection of the second locking groove 322 on the connecting plate 1 is located in the connecting hole 13. When the first and

second adjusting plates

31 and 32 clamp the posts, the posts are positioned in the first and second catching

grooves

313 and 322, and by providing the first and second catching

grooves

313 and 322, the contact area between the first and

second adjusting plates

31 and 32 and the posts o can be increased.

Illustratively, in the embodiment of the present disclosure, the first card slot 313 and the second card slot 322 are both arc-shaped slots, and the diameter of the arc of the first card slot 313 and the second card slot 322 is smaller than or equal to the diameter of the connecting hole 13.

Optionally, the wire connecting tube 2 comprises a cylinder 21 and a partition 22, the partition 22 is connected to one end of the cylinder 21, and the connecting piece 1 is connected to the partition 22. When inserting one end of the cable m into the junction box 2, a worker usually holds the connection piece 1 connected to one end of the junction box 2 with one hand and inserts the exposed end of the wire of the cable m into the junction box 2 with the other hand. Due to the fact that the length of the wiring tube 2 is limited, if the length of the cable m is too long, one end of a metal wire of the cable m scratches the hand of a worker. In the embodiment of the disclosure, the partition plate 22 is arranged at one end, close to the connecting sheet 1, of the cylinder body 21 of the wire connecting tube 2, and the cylinder body 21 is sealed by the partition plate 22, so that a worker can be prevented from being scratched by a metal wire of the wire m extending out of the cylinder body 21, and the safety of the wire connecting terminal component is improved.

Optionally, the connecting piece 1 and the connecting tube 2 are both copper structural members. Copper has high electrical and thermal conductivity as a metal material, and has corrosion resistance, high mechanical strength, easy processing and molding, and is less expensive than other electrically conductive metal materials, such as silver. The connecting sheet 1 and the junction box 2 which are processed by using the copper structural part can effectively reduce the production cost while ensuring the normal electric connection between the cable m and the copper bar n.

Fig. 10 is a schematic structural view of a terminal assembly provided by the present disclosure. As shown in fig. 10, the embodiment of the present disclosure further provides a terminal assembly, which includes a fastening bolt 4, a fastening nut 5, and a terminal as shown in fig. 1 to 9, wherein a bolt head 41 of the fastening bolt 4 abuts against plate surfaces of the first adjusting plate 31 and the second adjusting plate 32, a screw rod 42 of the fastening bolt 4 is located between the first adjusting plate 31 and the second adjusting plate 32, and the fastening nut 5 and the bolt head 41 are respectively located on opposite sides of the connecting piece 1. That is, in this embodiment, the fastening bolt 4 is used as a binding post connected with the copper bar n, and the connecting sheet 1 is sleeved on the screw rod 42 of the fastening bolt 4 and is locked and fixed by the fastening nut 5.

The connecting piece, the connecting tube and the adjusting structure are arranged, when the wiring terminal is used, the connecting tube can be connected with a cable, the connecting piece is provided with a connecting hole which is communicated with the first surface and the second surface, and the connecting piece can be sleeved on the wiring terminal through the connecting hole. The adjusting structure comprises a first adjusting plate, a second adjusting plate and an elastic piece, wherein the first adjusting plate and the second adjusting plate are both positioned on the first surface, at least one of the first adjusting plate and the second adjusting plate is slidably mounted on the first surface, and at least part of a connecting hole is positioned between the first adjusting plate and the second adjusting plate, so that when the connecting piece is sleeved on the binding post, the positions of the first adjusting plate and the second adjusting plate can be adjusted, the binding post is positioned between the first adjusting plate and the second adjusting plate, the elastic piece provides an acting force for enabling the first adjusting plate and the second adjusting plate to be relatively close, the binding post is clamped by the first adjusting plate and the second adjusting plate to adapt to the binding posts with different sizes, the fixed connection between the binding post and the binding post is realized, the redesign of the connecting hole on the binding post is not needed, the wiring cost is reduced.

Illustratively, the terminal assembly further includes a flat washer 6, the flat washer 6 being sleeved on the threaded rod 42 and located between the second surface 12 and the fastening nut 5. Exemplarily, in the embodiment of the present disclosure, due to a machining error, there may be an assembly gap between the fastening nut 5 and the copper bar n, and by sleeving the flat washer 6 on the screw rod 42 between the second surface 12 and the fastening nut 5, the contact area between the fastening nut 5 and the second surface 12 may be increased, and the connection stability of the terminal assembly to the terminal and the copper bar n may be improved. The flat washer 6 can also prevent abrasion caused by friction between the fastening nut 5 and the surface of the copper bar n when the fastening nut 5 is tightened and removed, and the service life of the terminal assembly is prolonged.

Illustratively, the terminal assembly further comprises an elastic piece washer 7, wherein the elastic piece washer 7 is sleeved on the screw rod 42 and is positioned between the flat washer 6 and the fastening nut 5. In the embodiment of the present disclosure, the elastic washer 7 is sleeved on the screw rod 42 between the flat washer 6 and the fastening nut 5, and after the fastening nut 5 is screwed, the elastic washer 7 can give an elastic force to the fastening nut 5 in the axial direction of the fastening bolt 4 to abut against the fastening nut 5, so as to increase the friction force between the fastening nut 5 and the flat washer 6, and further improve the connection stability of the terminal assembly to the terminal and the copper bar n. Meanwhile, the elastic piece washer 7 is softer than the flat washer 6 and the fastening nut 5, so that the contact area between the fastening nut 5 and the flat washer 6 can be increased, pressure is dispersed, the fastening nut 5 is prevented from crushing the surfaces of the flat washer 6 and the copper bar n, and the service life of the wiring terminal assembly is further prolonged.

Illustratively, the terminal assembly includes a plurality of fastening bolts 4 and a plurality of fastening nuts 5 corresponding to the plurality of fastening bolts 4 one by one, and the outer diameters of the screw shafts 42 and the bolt heads 41 of the plurality of fastening bolts 4 are different from each other. For example, in the embodiment of the present disclosure, by providing a plurality of fastening bolts 4 and a plurality of fastening nuts 5 corresponding to the plurality of fastening bolts 4 one to one, the terminal assembly can replace the fastening bolts 4 of the bolt heads 41 and the screw rods 42 having different outer diameters and the fastening nuts 5 corresponding to the fastening bolts 4 according to the copper bars n of the interfaces n1 having different apertures, so as to fixedly connect the terminal assembly and the copper bars n, thereby improving the practicability of the terminal assembly.

The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.

Claims

1. A terminal, comprising: the wire connecting structure comprises a connecting piece (1), a wire connecting tube (2) and an adjusting structure (3), wherein the connecting piece (1) is connected with one end of the wire connecting tube (2), the connecting piece (1) is provided with a first surface (11) and a second surface (12) which are opposite, and a connecting hole (13) which is communicated with the first surface (11) and the second surface (12);

the adjusting structure (3) comprises a first adjusting plate (31), a second adjusting plate (32) and an elastic piece (33), the first adjusting plate (31) and the second adjusting plate (32) are located on the first surface (11), at least one of the first adjusting plate (31) and the second adjusting plate (32) can be slidably installed on the first surface (11), at least part of the connecting hole (13) is located between the first adjusting plate (31) and the second adjusting plate (32), and the elastic piece (33) is respectively connected with the first adjusting plate (31) and the second adjusting plate (32) and used for providing acting force for enabling the first adjusting plate (31) and the second adjusting plate (32) to be relatively close.

2. A connection terminal according to claim 1, characterized in that the first surface (11) has a first slide groove (1a) thereon, and the connection hole (13), the first regulation plate (31) and the second regulation plate (32) are all located in the first slide groove (1 a).

3. A terminal according to claim 2, further comprising a limiting plate (17), wherein the limiting plate (17) is connected to at least one side wall of the first chute (1a), the limiting plate (17) is spaced from the bottom surface (11a) of the first chute (1a), and the first adjusting plate (31) and the second adjusting plate (32) are located between the bottom surface (11a) of the first chute (1a) and the limiting plate (17).

4. A terminal according to claim 1, wherein at least one of the first regulating plate (31) and the second regulating plate (32) has a second slide groove (3a) formed thereon, the second slide groove (3a) extending in a direction in which the first regulating plate (31) and the second regulating plate (32) slide relative to each other, and the connecting piece (1) is located in the second slide groove (3 a).

5. A terminal according to any one of claims 1 to 4, further comprising a first limit projection (4a) and a second limit projection (4b), the first limit projection (4a) and the second limit projection (4b) being spaced apart from each other on the first surface (11), the first regulation plate (31) and the second regulation plate (32) being located between the first limit projection (4a) and the second limit projection (4b) in a direction in which the first regulation plate (31) and the second regulation plate (32) slide relative to each other.

6. A connecting terminal according to any one of claims 1 to 4, characterized in that the first adjusting plate (31) has a first locking groove (313) on the side thereof adjacent to the second adjusting plate (32), the orthographic projection of the first locking groove (313) on the connecting plate (1) is located in the connecting hole (13), the second adjusting plate (32) has a second locking groove (322) on the side thereof adjacent to the first adjusting plate (31), the orthographic projection of the second locking groove (322) on the connecting plate (1) is located in the connecting hole (13).

7. A terminal according to any one of claims 1 to 4, characterised in that the resilient member (33) comprises two springs, the connection hole (13) being located between the two springs.

8. A terminal according to claim 7, wherein the first regulating plate (31) and the second regulating plate (32) each have a mounting hole (34) for mounting the spring, one end of the spring being located in the mounting hole (34) in the first regulating plate (31), the other end of the spring being located in the mounting hole (34) in the second regulating plate (32).

9. A terminal according to any one of claims 1 to 4, characterised in that the terminal tube (2) comprises a cylindrical body (21) and a spacer (22), the spacer (22) being attached to one end of the cylindrical body (21), and the terminal strip (1) being attached to the spacer (22).

10. A terminal according to any one of claims 1 to 4, characterised in that the lug (1) and the terminal tube (2) are both copper structural parts.