CN219610751U - Large-load electrical connector connecting device - Google Patents

Abstract

The utility model discloses a high-load electrical connector connecting device which structurally comprises a first wiring terminal, a second wiring terminal and a soft conductive gasket, wherein the end faces of the first wiring terminal and the second wiring terminal are opposite and respectively attached to two working faces of the soft conductive gasket. According to the utility model, the electric connection surfaces of the two wiring terminals are connected in a bonding way through the soft conductive gaskets, the deformation characteristics of the soft conductive gaskets are utilized to ensure that the electric contact surfaces of the wiring terminals are kept in full bonding contact and air of the contact surfaces is discharged, so that the contact resistance between the connecting device and the wiring terminals is small and no oxidation condition exists, the contact part is free from heating phenomenon and poor contact caused by oxidation, and further the vicious circle phenomenon of heating and oxidation is aggravated, and the long-term stable electric connection of the wiring terminals is realized; the elastic fastening structure and the flat gasket are utilized to enable the contact between the wiring terminal and the soft conductive gasket to be tighter, and the situation of separation from contact can not occur.

Description

Large-load electrical connector connecting device

Technical Field

The utility model belongs to the technical field of electrical connection structures, and particularly relates to a high-load electrical connector connection device.

Background

When the high-load electrical components are connected, according to the current standard connection mode, the joints are in rigid connection with hard collision, and the connection is limited by the manufacturing precision of the connecting piece and the practical installation and use technology level, so that the contact surface is difficult to achieve 100% perfect contact with high probability. When the transmission current is larger, if the contact resistance is gradually increased in the long-term use process due to deformation, vibration, installation difference and the like between the contacts, the contacts are heated and oxidized due to the increase of the contact resistance, and the contact resistance is further increased due to the heating and oxidization, so that vicious circle is repeatedly formed, the temperature of the contacts is rapidly increased along with the extension of time, electrical faults are caused, and even fire is caused.

At present, although the actual management specifications theoretically require that the electrical connection should be detected regularly, the electrical connection needs to be added by power inspection personnel and the workload is increased, and the electrical connection cannot be found in the actual production and use process, but the electrical connection cannot be found until an electrical fault or an accident alarm occurs, and serious consequences may be caused at this time.

Therefore, there is a need for an improvement in the connection structure of current heavy-duty electrical components so that a small contact resistance can be maintained for a long period of time.

Disclosure of Invention

The utility model mainly aims to provide a high-load electrical connector connecting device, which solves the problem that the contact resistance is gradually increased in the use process to cause potential safety hazard in the existing rigid connecting structure of high-load electrical parts.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a heavy-load electric connector connecting device, includes first binding post, second binding post and soft conductive gasket, the terminal surface of first binding post and second binding post is relative, and laminate respectively in two working faces of soft conductive gasket.

Preferably, the electric connector further comprises a fixing column, the first wiring terminal, the second wiring terminal and the soft conductive gasket are all provided with through holes, and the first wiring terminal, the second wiring terminal and the soft conductive gasket are sleeved on the fixing column through the through holes.

Preferably, the fixing column further comprises a blocking part connected to the first end of the fixing column.

Preferably, the second end of the fixed column is movably connected with a fastener.

Illustratively, the securing post and the fastener are connected by a threaded structure.

Preferably, the end face, away from the soft conductive gasket, of the first wiring terminal is attached with a first flat gasket, and the end face, away from the soft conductive gasket, of the second wiring terminal is attached with a second flat gasket.

Illustratively, the soft conductive pad comprises an oxygen-free copper conductive pad.

Preferably, the end face of the second flat gasket, which is far away from the second wiring terminal, is attached with a spring gasket.

Compared with the prior art, the connecting device for the high-load electrical connector has the following beneficial effects:

according to the utility model, the electric connection surfaces of the two wiring terminals are connected in a bonding way through the soft conductive gaskets, and the deformation characteristic of the soft conductive gaskets is utilized to enable the electric contact surfaces of the wiring terminals to be in complete bonding contact, so that the contact resistance between the connecting device and the wiring terminals is smaller, meanwhile, the completely bonded contact surfaces force air (especially oxygen) in the connecting device to exit, and the contact parts cannot generate heating phenomena caused by poor contact, and in the same way, the contact surfaces have no oxygen, so that the oxidation phenomenon is fundamentally stopped, the vicious circle of heating oxidation-increasing the contact resistance (poor contact) -further heating oxidation of the contact surfaces is fundamentally solved, and the long-term stable electric connection of the wiring terminals is realized; and the elastic fastening structure and the flat gasket are utilized to enable the contact between the two wiring terminals and the soft conductive gasket to be more compact, and the situation of separation from contact can not occur.

Drawings

Fig. 1 is a schematic structural diagram of a heavy-duty electrical connector connection device according to an embodiment of the present utility model.

In the figure: 1. a fastening bolt; 2. a first flat gasket; 3. a first connection terminal; 4. a soft conductive pad; 5. a second flat gasket; 6. a spring washer; 7. a fastening nut; 8. a second connection terminal; 9. a cable insulation layer; 10. a cable conductor; 11. a first electrical connection face; 12. and a second electrical connection surface.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the embodiment of the utility model discloses a heavy-load electrical connector connecting device, which specifically comprises a first wiring terminal 3, a second wiring terminal 8 and a soft conductive gasket 4, wherein the soft conductive gasket 4 is positioned between the first wiring terminal 3 and the second wiring terminal 8, one surfaces of the first wiring terminal 3 and the second wiring terminal 8, which are contacted with the soft conductive gasket 4, are respectively a first electrical connection surface 11 and a second electrical connection surface 12, and the first electrical connection surface 11 and the second electrical connection surface 12 are respectively attached to two working surfaces of the soft conductive gasket 4.

In this embodiment, the second connection terminal is taken as an example, and the connection structure of the connection terminal is illustrated, referring to fig. 1, one end of the second connection terminal 8 far away from the contact is wrapped with the cable conductor 10, so that the second connection terminal 8 is stably connected with the cable conductor 10, and the cable insulation layer 9 is sleeved on the rest of the cable conductor 10.

Because the contacts of the existing wiring terminals are rigidly connected, the contact surfaces of the wiring terminals are difficult to be completely attached and contacted, even if the contact surfaces can be completely attached during initial installation, the contact resistance at the contact points becomes large due to deformation, vibration and other reasons in the long-term use process, the contact resistance becomes large, the contact point positions are heated and oxidized seriously, the contact resistance value is further increased due to heating and oxidization, and thus vicious circle is repeatedly formed, and finally, the contact point positions possibly fail and even fire is caused. The soft conductive gasket 4 is soft in texture and good in ductility, and is easy to deform when being extruded, the soft conductive gasket 4 is clamped between the first wiring terminal 3 and the second wiring terminal 8, 100% of complete lamination can be realized on the electric connection surface of the first wiring terminal 3 and the second wiring terminal 8 and the soft conductive gasket 4, air on the electric connection surface is discharged, and the root factors of contact oxidation are eliminated: oxygen.

Further, the utility model further comprises a fixing column, wherein through holes are formed in the first wiring terminal 3, the second wiring terminal 8 and the soft conductive gasket 4, the first wiring terminal 3, the soft conductive gasket 4 and the second wiring terminal 8 are sleeved on the fixing column through the through holes formed in the first wiring terminal 3, the soft conductive gasket 4 and the second wiring terminal 8 after being stacked, and the fixing column is used for limiting the first wiring terminal 3, the soft conductive gasket 4 and the second wiring terminal 8 to move only along the axial direction of the fixing column, so that the installation is convenient. Furthermore, the first end of the fixing column is provided with the blocking part, and one ends of the first wiring terminal 3, the soft conductive gasket 4 and the second wiring terminal 8 which are stacked can be limited and fixed through the blocking part, so that the first wiring terminal, the soft conductive gasket and the second wiring terminal are prevented from falling off from the fixing column.

Illustratively, the fixing post and the blocking portion structure of the present embodiment are implemented by using the fastening bolt 1, the first connecting terminal 3, the soft conductive pad 4 and the second connecting terminal 8 are stacked and sleeved on the fastening bolt 1, and the first connecting terminal 3 is in contact with the head of the fastening bolt 1.

Further, the second end of the fixed column is movably connected with a fastener. And the limiting fastening of the second connecting terminal 8 end is realized by using the fastener, so that the connecting terminal and the soft conductive gasket 4 are prevented from falling off from the second end of the fixed column. The material or dimensions of the flexible conductive pad 4 are selected to ensure that its conductor dc resistance along the longitudinal direction of the bolt is not greater than the conductor dc resistance in the line.

Illustratively, the fastener of the present embodiment is a fastening nut 7, and the fastening nut 7 is screwed to the fastening bolt 1. The first binding post 3, the soft conductive gasket 4 and the second binding post 8 are assembled and fixed by utilizing the cooperation of the fastening bolt 1 and the fastening nut 7, the first binding post 3, the second binding post 8 and the two sides of the soft conductive gasket 4 are attached by screwing the fastening nut 7, the soft conductive gasket 4 deforms under extrusion force, the first binding post 3, the second binding post 8 and the soft conductive gasket 4 are tightly attached without gaps, the air of the first electric connection surface 11 and the second electric connection surface 12 is discharged, the oxidization problem of the contact is thoroughly solved, and the oxidization of the contact is a main factor of contact deterioration in the long-term use process of the contact.

Further, the end face, away from the soft conductive gasket 4, of the first wiring terminal 3 is attached with the first flat gasket 2, and the end face, away from the soft conductive gasket 4, of the second wiring terminal 8 is attached with the second flat gasket 5. In this embodiment, the first flat washer 2 contacts the bolt head of the fastening bolt 1, the second flat washer 5 contacts the fastening nut 7, and damage such as scratch to the terminal pin can be avoided in the process of fastening the first terminal pin 3, the soft conductive washer 4 and the second terminal pin 8 by screwing the fastening nut 7.

Further, a spring washer 6 is sleeved between the second flat washer 5 and the fastening nut 7 in the present embodiment. Of course, a spring washer 6 may be interposed between the bolt head of the fastening bolt 1 and the first flat washer 4. When the fastening nut 7 is used for fastening the junction part, the situation of over-tightening or loose tightening exists, when the fastening nut is used for over-tightening, the extrusion force among the first wiring terminal 3, the soft conductive gasket 4 and the second wiring terminal 8 is too large, the parts can be damaged, when the fastening nut is used for loose, the joint part is not tightly attached to the first wiring terminal 3, the soft conductive gasket 4 and the second wiring terminal 8, gaps exist, and even poor electrical contact is caused, therefore, the extrusion force is buffered by the elastic force of the spring gasket 6, so that the extrusion force is moderate, 100% attaching contact among the first wiring terminal 3, the soft conductive gasket 4 and the second wiring terminal 8 (the extrusion force still can deform the soft conductive gasket 4), and in the long-term use process, the problem of poor contact and even detachment of contact can be avoided if the fastening nut 7 is loosened.

Illustratively, the soft conductive pad 4 of the present embodiment employs an oxygen-free copper conductive pad. Preferably, an annealed and softened oxygen-free copper conductive pad is used.

In summary, by the high-load electric connector connecting device, the electric connector part can be ensured to keep good electric contact, and meanwhile, the possibility of oxidation of an electric contact surface is eliminated, so that the hidden trouble of the electric connector is thoroughly solved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a heavy-load electric connector connecting device which characterized in that, includes first binding post, second binding post and soft conductive gasket, the terminal surface of first binding post and second binding post is relative, and laminate respectively in two working faces of soft conductive gasket.

2. The high-load electrical connector connecting device according to claim 1, further comprising a fixing column, wherein the first connecting terminal, the second connecting terminal and the soft conductive gasket are all provided with through holes, and the first connecting terminal, the second connecting terminal and the soft conductive gasket are sleeved on the fixing column through the through holes.

3. A heavy-duty electrical connector assembly as set forth in claim 2 wherein: the device also comprises a blocking part connected to the first end of the fixed column.

4. A heavy-duty electrical connector assembly as claimed in claim 3, wherein: the second end of the fixed column is movably connected with a fastener.

5. A heavy-duty electrical connector assembly as recited in claim 4, wherein: the fixing column and the fastener are connected through a threaded structure.

6. A heavy-duty electrical joint connection as claimed in claim 1 or 4, wherein: the first binding post is kept away from the laminating of the terminal surface of soft conductive gasket has first flat gasket, the second binding post is kept away from the terminal surface laminating of soft conductive gasket has the second flat gasket.

7. The high load electrical connector assembly of claim 6, wherein: and the end face, far away from the second wiring terminal, of the second flat gasket is attached with a spring gasket.

8. A heavy-duty electrical connector assembly as set forth in claim 1 wherein: the soft conductive gasket comprises an oxygen-free copper conductive gasket.