CN215343178U - Plug-in type terminal with good conductivity - Google Patents

Abstract

The utility model belongs to the technical field of connector terminals, and particularly relates to a plug-in type terminal with good conductivity, which comprises a plurality of spliced and combined terminal strips, wherein each terminal strip comprises a plastic body and more than two terminal groups which are arranged in the plastic body and are arranged linearly, and each terminal group comprises a wire holder arranged in the plastic body, a conductive elastic sheet penetrating through the wire holder and a bolt embedded on the upper surface of the plastic body; the bolt penetrates through the upper surface of the wire holder at the corresponding position and is in threaded connection with the wire holder; the wire holder is internally provided with a containing groove with a through structure, one end of the conductive elastic sheet penetrates through the containing groove to form a wire pressing end, and the other end of the conductive elastic sheet forms a pin; the conductive elastic sheet penetrating through the accommodating groove and the accommodating groove form a wire pressing opening, and the bolt tightly presses a wire arranged in the wire pressing opening through abutting against the conductive elastic sheet. The utility model leads the bolt to adopt an indirect compression mode, avoids damaging the lead to prolong the service life and effectively prevents the phenomenon of poor conduction performance caused by vibration factors.

Description

Plug-in type terminal with good conductivity

Technical Field

The utility model belongs to the technical field of connector terminals, and particularly relates to a plug-in type terminal with good conductivity.

Background

The terminal is an accessory product for realizing electrical connection, and is industrially classified into a connector category. With higher and higher industrial automation degree and stricter and more accurate industrial control requirements, the use amount of the wiring terminal gradually rises and more types are available; the connecting terminal is applied to facilitate connection of wires and is a section of metal copper pipe, a screw hole is formed in the metal copper pipe, a screw is used for fastening or loosening, for example, two parts are connected and disconnected at times, the two parts can be connected through a plug-in type terminal at any time, the two parts do not need to be welded or wound together, and the connecting terminal is convenient and fast.

At present, be applied to the comparatively abominable plug-in type terminal of service environment, such as the operational environment that vibration intensity is high, adopt the mode of bolt screw in to twist the purpose that realizes the electrical property and switch on metal terminal because of switching on the wire, long-time vibration easily causes the bolt of spiro union not hard up to cause connector electrical property to lead to and not lead to the influence normal use. In addition, the plug-in type terminal of the prior structure cannot clamp the wire due to too small force and has poor electrical conduction due to too strong force in a bolt screwing mode, and the wire is broken due to too strong force.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a plug-in type terminal with good conductivity, and aims to solve the technical problem that the plug-in type terminal in the prior art has poor conductivity due to structural design defects.

In order to achieve the above object, an embodiment of the present invention provides a plug-in terminal with good conductivity, including a plurality of terminal strips combined in a splicing manner, where each of the terminal strips includes a plastic body, and at least two terminal groups arranged in the plastic body and arranged linearly, each of the terminal groups includes a wire holder arranged in the plastic body, a conductive elastic sheet penetrating through the wire holder, and a bolt embedded in an upper surface of the plastic body; the bolt penetrates through the upper surface of the wire holder at the corresponding position and is in threaded connection with the wire holder.

Optionally, a receiving groove with a through structure is formed in the wire holder, one end of the conductive elastic sheet penetrates through the receiving groove to form a wire pressing end, and the other end of the conductive elastic sheet forms a pin; the conductive elastic sheet penetrating through the accommodating groove and the accommodating groove form a wire pressing port, and the bolt tightly presses the conductive elastic sheet to arrange a wire in the wire pressing port. The purpose of the structural design is to adopt an indirect wire crimping mode, so that the convenient crimping operation is achieved, and the service life of the wire is prolonged.

Optionally, the conductive elastic sheet far away from one end of the line pressing end is bent inwards at right angles for three times continuously, and the heights of the conductive elastic sheets in the first bending area and the second bending area are consistent with the height from the upper top surface of the accommodating groove to the bottom surface of the wire holder; and the width of the conductive elastic sheet in the secondary bending area and the third bending area is smaller than that of the wire holder. The purpose of this structural design is so that the convenient equipment of electrically conductive shell fragment with the connection terminal just makes electrically conductive shell fragment gives the wire elastic pressing force all the time, prevents that external vibration factor from influencing the effect of switching on.

Optionally, the tail end of the line pressing end is bent upwards to form an anti-falling part, and the anti-falling part and the conductive elastic sheets in the first bending region and the second bending region are respectively arranged at the front end and the rear end of the accommodating groove. The purpose of this structural design is to prevent that the wire in-process from ejecting with the electrically conductive shell fragment from in the connection terminal.

Optionally, an accommodating space into which the wire holder can be inserted conveniently is dug in the bottom end of the plastic body, and the wire holder can be slidably arranged in the accommodating space; the side surface of the plastic body is dug to be provided with a plug wire port which is correspondingly arranged with the containing groove opening. The purpose of the structural design is to realize the compression joint and the release of the lead through the tightness of the bolt.

Optionally, the wire insertion port is in a horn-shaped structure. The purpose of this structural design is to make the wire insert the socket easily.

Optionally, a detection hole is formed in the plastic body opposite to the other side wall of the wire insertion port, and the detection hole is communicated with the accommodating space. This structural design is convenient for to this good plug-in type terminal electrical property detection of conductivity of installation.

Optionally, the upper surface of the plastic body protrudes upwards to form a protection part for accommodating the bolt. The purpose of the structural design is to prevent safety accidents caused by the fact that the bolts are exposed after the bolts are conducted.

Optionally, the splicing side walls of two adjacent terminal strips are respectively provided with a protrusion or a groove which are matched with each other. The purpose of the structural design is favorable for saving resources and space and is convenient for independent replacement of local damaged parts.

Optionally, the conductive elastic sheet and the wire holder are both made of copper alloy materials.

One or more technical solutions in the plug-in type terminal with good conductivity provided by the embodiment of the present invention have at least one of the following technical effects:

1. the conductive elastic sheet is welded on the PCB through the pins, the wire pressing end is in an elastic free state, the wire pressing end and the accommodating groove form a wire inserting port for inserting a wire, the wire holder is driven to move up and down along the accommodating space through the bolt, and the wire pressing end moves down to press the wire; and secondly, the wire pressing end for pressing the wire is always in an elastic pressing force for the wire, so that the condition of poor conduction performance such as wire falling or wire loosening caused by the existence of factors such as vibration and the like can be effectively prevented.

2. The matched bulges or grooves are respectively arranged on the splicing side walls of two adjacent terminal strips, so that the two terminal strips can be conveniently spliced through the matched arrangement of the bulges and the grooves, the splicing is favorably carried out according to the actual wiring amount, and the vacant resource and the idle waste of space can not be caused; in the actual operation process, when the terminal that needs to local damage is changed, only need shift out the change with the partial of damage that corresponds, and need not change the terminal of whole row, be favorable to the saving of resource and space.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a plug-in terminal assembly with good conductivity according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a split plug-in terminal with good conductivity according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a plug-in terminal with good conductivity at another view angle according to an embodiment of the present invention;

fig. 4 is an exploded view of a terminal strip according to an embodiment of the present invention;

fig. 5 is an exploded view of a terminal set according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a plastic body according to an embodiment of the present invention;

FIG. 7 is another perspective view of the plastic body according to the embodiment of the present invention;

wherein, in the figures, the respective reference numerals:

10-a terminal strip;

11-a plastic body, 111-an accommodating space, 112-a plug wire port, 113-a control hole, 114-a protection part, 115-a bulge and 116-a groove;

12-terminal group, 121-wire holder, 1211-accommodating groove, 122-conductive elastic sheet, 1221-wire pressing end, 12211-protective part, 1222-pin, 1223-first bending, 1224-second bending, 1225-third bending, 123-bolt and 124-wire pressing port.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1 to 3, a plug-in terminal with good conductivity is provided, which includes a plurality of terminal strips 10 combined by splicing. In specific practice, most of the conventional plug-in terminals are in a whole-row integrated structure, and when a local certain point of the whole row is damaged, a maintenance worker has to replace the whole-row terminal, so that resource waste of other undamaged areas is caused. In addition, since the terminals with the length of the whole row are not needed, the installation of the terminals will cause a large installation space, which results in waste of space. The whole row of terminals of the utility model is composed of a plurality of terminal strips 10 which can be spliced and combined with each other, and the splicing side walls of two adjacent terminal strips 10 are respectively provided with a protrusion 115 or a groove 116 which are matched with each other. In the embodiment, in order to ensure the splicing firmness, the two terminal strips 10 can be conveniently spliced by adopting the matching arrangement of at least two groups of the protrusions 115 and the grooves 116, so that the splicing is favorably carried out according to the actual wiring amount, and the vacant resource and the idle waste of space can not be caused; in the actual operation process, when the terminal that needs to local damage is changed, only need shift out the change with the partial of damage that corresponds, and need not change the terminal of whole row, be favorable to the saving of resource and space.

As shown in fig. 4 and 5, each of the plurality of terminal strips 10 includes a plastic body 11 and more than two terminal sets 12 disposed in the plastic body 11 and arranged linearly; the terminal set 12 includes a wire holder 121 disposed in the plastic body 11, a conductive elastic sheet 122 penetrating through the wire holder 121, and a bolt 123 embedded on the upper surface of the plastic body 11. In this embodiment, the bolt 123 penetrates through the upper surface of the wire holder 121 at the corresponding position and is connected with the upper surface of the wire holder in a threaded manner; the bolt 123 is turned by a tool, so that the bolt 123 is screwed into or out of the wire holder 121, and the bolt 123 can be always in contact with the conductive elastic piece 122.

Furthermore, the wire holder 121 has a through-structure receiving groove 1211 formed therein, one end of the conductive elastic piece 122 penetrates through the receiving groove 1211 to form a wire pressing end 1221, and the other end thereof forms a pin 1222. In this embodiment, the conductive elastic sheet 122 penetrating through the accommodating groove 1211 and the accommodating groove 1211 form a wire pressing opening 124, the bolt 123 presses the wire placed in the wire pressing opening 124 by abutting against the conductive elastic sheet 122, and this structural design realizes that the bolt 123 adopts an indirect pressing manner, thereby avoiding damaging the wire and prolonging the service life of the wire; and the wire pressing end 1221 for pressing the wire is always in an elastic pressing force for the wire, so that the condition of poor conduction performance such as wire falling or wire loosening caused by the existence of factors such as vibration and the like can be effectively prevented.

Furthermore, the conductive elastic sheet 122 at the end far from the wire pressing end 1221 is continuously bent inward at a right angle for three times, and the height of the conductive elastic sheet 122 in the areas of the first bending 1223 and the second bending 1224 is consistent with the height from the top surface of the receiving groove 1211 to the bottom surface of the wire holder 121; and the widths of the conductive elastic piece 122 in the areas of the secondary bending 1224 and the third bending 1225 are smaller than the width of the wire holder 121. Further, as shown in fig. 6, an accommodating space 111 for the wire holder 121 to be inserted into is dug at the bottom end of the plastic body 11, and the wire holder 121 is slidably disposed in the accommodating space 111. In this embodiment, the wire holder is movably disposed in the accommodating space 111 through the arrangement of the continuous bending structure of the conductive elastic sheet and the design of the bending dimension, and when the bolt 123 is screwed into the wire holder 121 and tightly abuts against the conductive elastic sheet 122, the wire holder 121 slides along the accommodating space 111 and generates an upward relative displacement with respect to the conductive elastic sheet 122, so that the wire pressing port 124 formed by the wire pressing end 1221 and the accommodating groove 1211 is continuously reduced, thereby conveniently realizing the compression joint of the wire in the wire pressing port 124. In addition, since the conductive elastic sheet 122 and the wire holder 121 are both made of copper alloy material, the copper alloy material has excellent electrical conductivity, thermal conductivity, ductility and corrosion resistance; in addition, in the process of screwing the bolt 123, the conductive elastic sheet 122 always gives an elastic pressing force to the lead, so that the conduction effect is prevented from being influenced by external vibration factors.

Furthermore, the end of the line pressing end 1221 is bent upwards to form a retaining portion 12211, and the retaining portion 12211 and the conductive elastic sheet 122 in the first bending 1223 and the second bending 1224 areas are respectively disposed at the front and rear ends of the receiving groove 1211. The structural design is to prevent the conductive elastic sheet 122 from being ejected out of the wire holder 121 during the wire plugging process.

As shown in fig. 6, a protection portion 114 for accommodating the bolt 123 is formed by upward protruding the upper surface of the plastic body 11. Through the arrangement of the protection part 114, the bolt 123 can be ensured to be screwed or loosened under the protection effect of the protection part 114 all the time, and safety accidents caused by the exposure of the bolt 123 after being electrified can be effectively prevented.

As shown in fig. 7, the side of the plastic body 11 is dug with a wire insertion opening 112 corresponding to the notch of the receiving groove 1211. Of course, in the actual operation process, in order to enable the wire to be conveniently inserted into the wire insertion opening 112, the wire insertion opening 112 in this embodiment is designed to have a horn-shaped structure.

As shown in fig. 6 and 7, a detection hole 113 is formed on the plastic body 11 opposite to the other side wall of the plug 112, and the detection hole 113 is communicated with the accommodating space 111, so as to facilitate electrical detection of the installed plug-in type terminal with good conductivity.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. A plug-in type terminal with good conductivity comprises a plurality of terminal strips which are spliced and combined, wherein each terminal strip comprises a plastic body and more than two terminal groups which are arranged in the plastic body and are arranged linearly, each terminal group comprises a wire holder arranged in the plastic body, a conductive elastic sheet penetrating through the wire holder and a bolt embedded and installed on the upper surface of the plastic body; the bolt penetrates through the upper surface of the wire holder at the corresponding position and is in threaded connection with the wire holder; the method is characterized in that: an accommodating groove with a through structure is formed in the wire holder, one end of the conductive elastic sheet penetrates through the accommodating groove to form a wire pressing end, and the other end of the conductive elastic sheet forms a pin; the conductive elastic sheet penetrating through the accommodating groove and the accommodating groove form a wire pressing port, and the bolt tightly presses the conductive elastic sheet to arrange a wire in the wire pressing port.

2. The plug-in terminal with good conductivity according to claim 1, wherein: the conductive elastic sheet far away from one end of the wire pressing end is continuously bent inwards at right angles for three times, and the heights of the conductive elastic sheets in the first bending area and the second bending area are consistent with the height from the upper top surface of the accommodating groove to the bottom surface of the wire holder; and the width of the conductive elastic sheet in the secondary bending area and the third bending area is smaller than that of the wire holder.

3. The good-conductivity plug-in terminal according to claim 2, characterized in that: the tail end of the line pressing end is bent upwards to form an anti-falling part, and the anti-falling part and the conductive elastic sheets in the first bending region and the second bending region are respectively arranged at the front end and the rear end of the accommodating groove.

4. The plug-in terminal with good conductivity according to claim 1, wherein: the bottom end of the plastic body is dug with an accommodating space which is convenient for the wire holder to be inserted into, and the wire holder can be arranged in the accommodating space in a sliding manner; the side surface of the plastic body is dug to be provided with a plug wire port which is correspondingly arranged with the containing groove opening.

5. The good-conductivity plug-in terminal according to claim 4, characterized in that: the plug wire port is of a horn-shaped structure.

6. The good-conductivity plug-in terminal according to claim 4, characterized in that: the plastic body opposite to the other side wall of the plug wire port is provided with a detection hole, and the detection hole is communicated with the accommodating space.

7. The plug-in terminal with good conductivity according to claim 1, wherein: the upper surface of the plastic body protrudes upwards to form a protection part for accommodating the bolt.

8. The plug-in terminal having good conductivity according to any one of claims 1 to 7, wherein: and the splicing side walls of two adjacent terminal strips are respectively provided with a bulge or a groove which are matched with each other.

9. The plug-in terminal having good conductivity according to any one of claims 1 to 7, wherein: the conductive elastic sheet and the wire holder are both made of copper alloy materials.

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