CN210015767U - Secondary connection disc and secondary connection terminal thereof - Google Patents

Abstract

The utility model discloses a secondary connecting terminal, including the end body, one end of end body is connected with the inboard joint, and another of end body is connected with inserts a section of thick bamboo, and secondary connecting terminal still includes and inserts a section of thick bamboo complex plug, and the plug is connected with external conductor. The utility model discloses in, the mode of connection of outside wire is for pegging graft. The plug is inserted into the insertion cylinder, and then the connection between the external lead and the secondary connecting terminal can be completed. The utility model provides a connection mode of outside wire weak point consuming time, efficient. In addition, set up a plurality of secondary connection terminal on the connection pad usually, adopt the utility model discloses well form of pegging graft can obviously observe which secondary connection terminal has accomplished being connected with external conductor, which secondary connection terminal has not accomplished being connected with external conductor yet to do benefit to going on smoothly of wiring. The utility model also discloses a secondary connection pad of having above-mentioned secondary connection terminal.

Description

Secondary connection disc and secondary connection terminal thereof

Technical Field

The utility model relates to an oil-immersed transformer's wiring technical field, more specifically say, relate to a secondary connection pad and secondary connection terminal thereof.

Background

The secondary connecting disc comprises a connecting disc and a secondary connecting terminal, and the secondary connecting terminal penetrates through the connecting disc. The secondary connection terminal includes an inner terminal and an outer terminal. The inner side joint of the secondary connecting terminal is connected with an inner coil of the mutual inductor, the outer side joint is connected with an external lead, and the external lead is used for conducting the mutual inductor and an external control device.

In general, when connecting an external wire to an outer terminal, the external wire is first connected to an OT terminal having a circular head and a cylindrical tail. The OT terminal is then sleeved over the outside fitting and then secured to the outside fitting using a nut, a flat washer, and a spring washer. The wiring mode is complex in operation and low in wiring efficiency.

Therefore, how to simplify the steps of mounting the external wires and the external terminals, thereby improving the wiring efficiency, is a critical issue to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a secondary connection terminal, this secondary connection terminal can simplify the wiring step of outside wire to improve wiring efficiency.

The utility model provides a secondary connecting terminal, includes the end body, one end of end body is connected with the inboard and connects, another end of end body is connected with inserts a section of thick bamboo, secondary connecting terminal still include with insert a section of thick bamboo complex plug, the plug is connected with external conductor.

Preferably, the plug is provided with an axial gap, and an open end of the axial gap is located on an end face, close to the plug barrel, of the plug.

Preferably, the end of the plug adjacent to the insert barrel is tapered.

Preferably, the plug is integrally injection-molded with the external lead.

Preferably, the inside joint is the external screw thread post, secondary connection terminal still include the OT terminal and with external screw thread post screw-thread fit's nut, the OT terminal is connected with the internal coil of mutual-inductor, the OT terminal passes through the nut is fixed on the external screw thread post.

The utility model also provides a secondary connection pad, including connection pad and secondary connection terminal, secondary connection terminal runs through the connection pad, secondary connection terminal is above-mentioned arbitrary secondary connection terminal.

Preferably, the secondary connection terminal is cast-molded with the connection pad.

According to the above technical scheme, the utility model discloses in, the mode of connection of outside wire is for pegging graft. The plug connected with the external lead is inserted into the inserting cylinder, so that the connection between the external lead and the secondary connecting terminal can be completed. The utility model provides a connection mode of outside wire weak point consuming time, efficient. In addition, set up a plurality of secondary connection terminal on the connection pad usually, adopt the utility model discloses well form of pegging graft can obviously observe which secondary connection terminal has accomplished being connected with external conductor, which secondary connection terminal has not accomplished being connected with external conductor yet to do benefit to going on smoothly of wiring. Additionally, the utility model provides an external diameter of plug is little for the external diameter of OT terminal among the prior art, consequently can avoid the overlap joint that meets accident between the adjacent outside wire to influence electrical property.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without inventive efforts.

Fig. 1 is a schematic structural view of a secondary connection terminal according to an embodiment of the present invention;

fig. 2 is a side view of a secondary connection pad according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a secondary connection pad according to an embodiment of the present invention.

Wherein, 1 is a plug, 2 is an axial gap, 3 is an end body, 4 is an insertion cylinder, 5 is an inner side joint, 6 is a connecting disc, and 7 is a secondary connecting terminal.

Detailed Description

The utility model discloses a secondary connection terminal, this secondary connection terminal can simplify the wiring step of outside wire to improve wiring efficiency.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In an embodiment of the present invention, the secondary connection terminal 7 includes an end body 3, an inner side joint 5, an insertion tube 4 and a plug 1.

Wherein, the end body 3 is used for connecting the inner side joint 5 and the inserting cylinder 4. The inner joint 5 and the insertion tube 4 are respectively arranged at two ends of the end body 3. The inner terminal 5 is used for connecting the inner coil of the transformer. The plug socket 4 is fitted with the plug 1. I.e. the plug 1 can be inserted into the cartridge 4. The plug 1 is connected to an external wire. After the plug 1 is inserted into the insertion cylinder 4, the conduction between the external lead and the internal coil can be realized. The utility model discloses a mode of pegging graft realizes being connected of outside wire and secondary connection terminal 7, has easy operation, advantage such as efficient.

In addition, be provided with a plurality of secondary connection terminal on the connection pad 6 usually, adopt the utility model discloses well mode of pegging graft can observe very easily which secondary connection terminal has accomplished being connected with external conductor, which secondary connection terminal has not accomplished being connected with external conductor yet to do benefit to going on fast of work.

Additionally, the utility model provides a plug 1's external diameter is less than the external diameter of OT terminal among the prior art, is difficult to take place unexpected overlap joint between this adjacent plug 1 consequently to the unexpected electricity between the external conductor has just been avoided and electric property has been ensured.

In a specific embodiment of the present invention, an axial opening 2 is provided on the plug 1. The axial gap 2 extends in the axial direction of the plug 1. The open end of the axial gap 2 is positioned on the end surface of one end of the plug 1 close to the inserting cylinder 4. After setting up axial opening 2, can with the bigger some that the external diameter of plug 1 set up, plug 1 enters into and inserts a section of thick bamboo 4 after axial opening 2 department takes place elastic deformation, can realize more closely contacting between plug 1 and the 4 inner walls of an inserted section of thick bamboo, so just can ensure to insert the leakproofness and the fastness that a section of thick bamboo 4 and plug 1 are connected to electrical property has further been ensured.

Further, in order to facilitate the plug 1 to smoothly enter the plug barrel 4, one end of the plug 1 near the plug barrel 4 may be tapered.

Further, the plug and the external lead 1 are integrally injection-molded. I.e. the connection of the external line to the plug 1 is effected via an external insulating sleeve.

Further, the connection between the inner side joint 5 of the secondary connection terminal 7 and the inner coil of the transformer is achieved by an OT terminal and a nut. The OT terminal is connected with the internal coil of the transformer. The inner joint 5 of the secondary connecting terminal 7 is an external threaded column. The external threaded column is in threaded fit with the nut. The OT terminal is locked to the externally threaded post by a nut. Of course, in order to improve the sealing and firmness of the connection of the inner coil, a flat washer and a spring washer may be sleeved on the outer threaded column.

The utility model also discloses a secondary connection pad, including connection pad 6 and secondary connection terminal. The secondary connection terminal penetrates the land 6. In particular, the secondary connection terminal is any one of the secondary connection terminals 7 described above. The above-mentioned secondary connection terminal 7 has the above-mentioned effects, and the secondary land having the above-mentioned secondary connection terminal 7 also has the above-mentioned effects, and therefore, the description thereof is omitted. Further, the secondary connection terminal 7 and the connection pad 6 are integrally connected by casting.

Finally, it should also be noted that 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. The utility model provides a secondary connecting terminal, includes end body (3), one end of end body (3) is connected with inboard joint (5), its characterized in that, another of end body (3) is connected with inserts a section of thick bamboo (4), secondary connecting terminal (7) still include with insert a section of thick bamboo (4) complex plug (1), plug (1) are connected with external conductor.

2. A secondary connection terminal according to claim 1, characterised in that the plug (1) is provided with an axial slit (2), the open end of the axial slit (2) being located on the end face of the plug (1) close to the cartridge (4).

3. A secondary connection terminal according to any one of claims 1 or 2, characterised in that the end of the plug (1) close to the plug barrel (4) is tapered.

4. A secondary connection terminal according to claim 1, wherein the plug (1) is injection molded integrally with the external lead.

5. A secondary connection terminal according to claim 1, wherein the inner terminal (5) is an externally threaded post, and the secondary connection terminal (7) further comprises an OT terminal connected to an internal coil of the transformer and a nut threadedly engaged with the externally threaded post, the OT terminal being fixed to the externally threaded post by the nut.

6. A secondary connection pad comprising a connection pad and a secondary connection terminal penetrating through the connection pad, characterized in that the secondary connection terminal is the secondary connection terminal (7) of any one of 1 to 5.

7. The secondary land of claim 6, wherein the secondary connection terminal (7) is molded by casting with the land (6).

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