CN216773532U - Transition joint and connecting wire subassembly - Google Patents
Transition joint and connecting wire subassembly Download PDFInfo
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- CN216773532U CN216773532U CN202122586684.6U CN202122586684U CN216773532U CN 216773532 U CN216773532 U CN 216773532U CN 202122586684 U CN202122586684 U CN 202122586684U CN 216773532 U CN216773532 U CN 216773532U
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Abstract
The utility model discloses a transition joint and a connecting wire component for solving the problem that a copper-aluminum transition joint is easy to break in the field of power transmission, which comprises: the first connecting piece comprises a first end part, and the first end part is provided with a connecting concave part; the second connecting piece comprises a second end part, and the second end part extends out of the inserting part; the connecting gasket comprises a third end part and a fourth end part which are respectively provided with two ends; the inserting part penetrates through the connecting gasket and is detachably connected with the connecting concave part; the first end part is in concave-convex fit connection with the third end part, and the second end part is in concave-convex fit connection with the fourth end part. Can accomplish the primary junction of first connecting piece and second connecting piece through connecting the mode that concave part and grafting portion can be dismantled and be connected fixedly, through connecting the gasket as the intermediate member, realize the further fixed of first connecting piece and second connecting piece with the first connecting piece of both sides and the unsmooth cooperation of second connecting piece, first connecting piece and second connecting piece are difficult to the pine and take off, increase the reliability that the product is connected.
Description
Technical Field
The utility model relates to the field of power transmission, in particular to a transition joint and a connecting wire assembly.
Background
The copper-aluminum transition joint is also called copper-aluminum transition terminal and copper-aluminum terminal.
In the copper-aluminum transition joint, because the electric potentials of the copper material and the aluminum material are different, after the copper-aluminum transition joint is used for a long time, the joint of copper and aluminum can be in poor contact, because the elastic modulus and the thermal expansion coefficient of copper and aluminum are greatly different, and after the copper-aluminum transition joint is subjected to repeated power-on and power-off cold and heat cycles in the using process, a larger gap is generated at the contact point to influence the contact, and the contact resistance is increased.
In order to solve the problems, a welding mode is adopted in the market at present to connect a copper material and an aluminum material in a copper-aluminum transition joint, and the mode is to combine the copper and the aluminum on a molecular level so as to avoid the oxidation of a combination part. However, the welding process has high requirements on fields, equipment and the like, and because the thermal expansion coefficients of copper and aluminum are greatly different, the welded part is still easy to break after multiple hot and cold cycles of power-on and power-off.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. To this end, the first aspect of the present invention provides a transition joint that increases product reliability.
The second aspect of the present invention provides a connecting wire assembly.
A transition joint in accordance with an embodiment of the first aspect of the present invention includes:
the first connecting piece comprises a first end part, and the first end part is provided with a connecting concave part;
the second connecting piece comprises a second end part, and the second end part extends out of the inserting part;
the connecting gasket comprises a third end part and a fourth end part which are respectively provided with two ends;
the inserting part penetrates through the connecting gasket and is detachably connected with the connecting concave part;
the first end part is in concave-convex fit connection with the third end part, and the second end part is in concave-convex fit connection with the fourth end part.
The transition joint provided by the embodiment of the utility model has at least the following beneficial effects: first connecting piece and second connecting piece can dismantle the mode of being connected through connecting concave part and grafting portion, can accomplish the initial joint of first connecting piece and second connecting piece fixedly, simultaneously through connecting the gasket as the intermediate member, realize the further fixed of first connecting piece and second connecting piece with the unsmooth cooperation of first connecting piece and the second connecting piece of both sides, first connecting piece and second connecting piece are in the cold and hot circulation of many times circular telegrams and outage, because all block and establish in connecting the gasket, the direct interact of first connecting piece and second connecting piece has been avoided, the junction can maintain stable connection, first connecting piece and second connecting piece are difficult to the pine and take off, increase the reliability that the product is connected.
According to some embodiments of the utility model, the socket part is provided with an external thread, the connection recess is provided with an internal thread, and the socket part is threadedly connected with the connection recess.
According to some embodiments of the utility model, the first end portion and the third end portion are provided with first end face tooth portions, each first end face tooth portion comprises a plurality of inclined face convex teeth sequentially arranged along a ring shape, and the two first end face tooth portions are in concave-convex fit connection.
According to some embodiments of the utility model, the second end portion and the fourth end portion are provided with second end face tooth portions, each second end face tooth portion comprises a plurality of fan-shaped convex teeth sequentially arranged along an annular shape, and the two second end face tooth portions are in concave-convex fit connection.
According to some embodiments of the utility model, the transition joint further comprises a sealing ring, the insertion part is provided with an annular mounting groove, and the sealing ring is arranged in the annular mounting groove.
According to some embodiments of the utility model, an annular mounting groove is located between the second end and the external thread.
According to some embodiments of the present invention, the transition joint further includes a spring, the spring is sleeved on the insertion portion and disposed in the connection recess, and the spring is pressed against an outer side wall of the insertion portion and an inner side wall of the connection recess.
According to some embodiments of the utility model, the elastic sheet comprises two coaxially arranged connecting rings and a plurality of connecting ribs, two ends of each connecting rib are respectively connected with the two connecting rings, the middle parts of the connecting ribs are inwards concave along the radial direction and are in compression joint with the outer side wall of the insertion part, and the connecting rings are in compression joint with the inner side wall of the connecting concave part.
According to some embodiments of the utility model, the connecting pad is made of engineering plastic.
A patch cord assembly in accordance with an embodiment of the second aspect of the present invention, comprises:
a first conductive line and a second conductive line;
in the transition joint of the embodiment of the first aspect, the first connection member includes a first wiring groove, the first lead is connected to the first wiring groove, the second connection member includes a second wiring groove, the second lead is connected to the second wiring groove,
the connecting wire assembly according to the embodiment of the present invention includes all the technical effects of the transition joint according to the embodiment of the first aspect, which are not described herein again.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of an embodiment of a transition joint;
FIG. 2 is a schematic diagram of an exploded view of FIG. 1;
FIG. 3 is a schematic view of another exploded view of FIG. 1;
fig. 4 is a schematic diagram of a cross-sectional view of fig. 1.
Reference numerals: the connecting structure comprises a first connecting piece 100, a first end part 110, a connecting concave part 111, an internal thread 112, a second connecting piece 200, a second end part 210, a plug part 220, an external thread 221, an annular mounting groove 222, a connecting gasket 300, a third end part 310, a fourth end part 320, a first end face tooth part 400, a second end face tooth part 500, a sealing ring 600, an elastic sheet 700, a connecting ring 710 and a connecting rib 720.
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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, features defined as "first," "second," "third," "fourth," "fifth," and "sixth" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "in communication with" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Embodiments of the first aspect of the utility model provide a transition joint, and with reference to fig. 1-4, a basic embodiment comprises:
a first connecting member 100 including a first end portion 110, the first end portion 110 being provided with a connecting recess 111;
a second connector 200 including a second end 210, the second end 210 extending out of the insertion part 220;
a connection pad 300 including a third end portion 310 and a fourth end portion 320;
the insertion part 220 passes through the connection pad 300 and is detachably connected with the connection recess 111;
the first end portion 110 is connected to the third end portion 310 in a concave-convex fit manner, and the second end portion 210 is connected to the fourth end portion 320 in a concave-convex fit manner.
It is understood that the transition joint of the first aspect may be applied to transition between two different materials, the first connection member and the second connection member may be two metal materials commonly used in the field, and may be a copper material and an aluminum material, respectively, or may be a transition between two other metal materials, and the transition structure of the first aspect may be adapted to the transition between two metal materials.
It will be appreciated that the first connector and the connecting recess correspond to a first material and the second connector and the spigot correspond to a second material, which may be a metallic material having different coefficients of expansion.
It is understood that the first connecting member and the second connecting member may be integrally formed in a rotary body shape, the first end portion may correspond to a portion of one end surface of the first connecting member, and the connecting recess may be a groove formed in the end surface, and may be a groove formed in the rotary body shape; the second end corresponds the part of an terminal surface of second connecting piece, and grafting portion can be the structure of the rotating body form that outwards extends along the axial at this terminal surface, and the connecting pad can be the rotating body form, and connecting pad cavity sets up, and third end and fourth end correspond the part of two terminal surfaces.
First connecting piece and second connecting piece can dismantle the mode of being connected through connecting concave part and grafting portion, can accomplish the initial joint of first connecting piece and second connecting piece and fix, simultaneously through connecting the gasket as the intermediate member, realize the further fixed of first connecting piece and second connecting piece with the unsmooth cooperation of first connecting piece and the second connecting piece of both sides, first connecting piece and second connecting piece are in the cold and hot circulation of many times circular telegram with the outage, because all block and establish in connecting the gasket, the direct interact of first connecting piece and second connecting piece has been avoided, the junction can maintain stable connection, first connecting piece and second connecting piece are difficult to the pine and take off, increase the reliability that the product is connected.
Referring to fig. 2-4, in the expansion of the basic embodiment, the insertion-connection part 220 is provided with an external thread 221, the connection concave part 111 is provided with an internal thread 112, the insertion-connection part 220 is in threaded connection with the connection concave part 111, and the initial fixing of the insertion-connection part 220 and the connection concave part 111 can be completed quickly by means of threaded connection.
It can be understood that the insertion part can be matched with the connection concave part in a buckling connection mode, the insertion part can be provided with an elastic hook, a buckling groove can be arranged in the connection concave part, and the elastic hook is buckled into the buckling groove to complete the detachable connection of the insertion part and the connection concave part.
Referring to fig. 2 and 3, in an expansion of the basic embodiment, the first end portion 110 and the third end portion 310 are both provided with first end face tooth portions 400, each first end face tooth portion 400 includes a plurality of inclined face convex teeth sequentially arranged along a ring shape, and two first end face tooth portions 400 are in concave-convex fit connection. Through the arrangement of the first end face tooth part 400, in the process that the insertion part 220 is arranged in the connection concave part 111, the relative position of the connection gasket 300 and the first connection piece 100 is easier to fix, and the effect is better when the insertion part 220 is matched with the connection concave part 111 to be in threaded connection.
The first end face tooth part is integrally arranged in an annular shape, the first end face tooth part comprises a plurality of inclined face convex teeth which are uniformly distributed along the circular ring shape one by one, the inclined face convex teeth comprise at least two faces which are inclined with each other, the normal directions of the two faces are inclined with the axis of the first connecting piece, further, the included angle between the normal direction of one face and the axis of the first connecting piece is larger than the included angle between the normal direction of the other face and the axis of the first connecting piece, the setting of the two faces can be determined by matching the thread matching direction of the inserting part and the connecting concave part, the inserting part and the connecting concave part are relatively easier in screwing, the screwing part is relatively difficult, the inserting part and the connecting concave part are convenient to position after being screwed in place, and the looseness is prevented.
It is understood that the first end portion and the third end portion may be connected by other male-female fitting manners, and specifically, the connection may be accomplished by fitting a semicircular protrusion and a semicircular groove.
Referring to fig. 2 and 3, in the expansion of the basic embodiment, the second end portion 210 and the fourth end portion 320 are both provided with second end face tooth portions 500, each second end face tooth portion 500 includes a plurality of sector-shaped convex teeth sequentially arranged along an annular shape, and the two second end face tooth portions 500 are in concave-convex fit connection. Through the arrangement of the fan-shaped convex teeth, the connecting gasket 300 can be fixed with the second connecting piece 200 at a normal state at a relative position, concave-convex matching close to seamless butt joint can be formed, and connection is more stable.
It can be understood that the second end portion and the fourth end portion can also be connected in other concave-convex matching modes, specifically, at least two convex columns are arranged on one of the second end portion and the fourth end portion along the ring shape, a matched slot is arranged on the other one of the second end portion and the fourth end portion, and the convex columns are inserted into the slot to complete concave-convex matching.
The number of the fan-shaped convex teeth of the second end face tooth part can be smaller than that of the inclined face convex teeth of the first end face tooth part, so that the connecting gasket and the second connecting piece are fixed in position in a normal state, the first connecting piece and the connecting gasket need to be fixed in position when the inserting part and the connecting concave part are connected in place in a matched mode, the number of the convex teeth is more, the position fixing capacity can be provided when the inserting part and the connecting concave part are connected in place, and the resistance influence in the connecting and fixing process of the inserting part and the connecting concave part can be relieved as much as possible.
Referring to fig. 2 to 4, in the development of the basic embodiment, the transition joint further includes a sealing ring 600, an annular mounting groove 222 is formed on the insertion portion 220, and the sealing ring 600 is disposed in the annular mounting groove 222. The setting of sealing washer 600 can be kept apart the inside space of transition joint with the external world, prevents that inner structure from taking place the oxidation.
Referring to fig. 3, an extension of the basic embodiment, an annular mounting groove 222 is located between the second end 210 and the external thread 221. The provision of the seal ring 600 between the second end 210 and the external thread 221 also protects the structure of the threaded portion against oxidation.
Referring to fig. 2-4, in the development of the basic embodiment, the transition joint further includes an elastic sheet 700, the elastic sheet 700 is sleeved on the insertion part 220 and is disposed in the connection concave part 111, the elastic sheet 700 is in compression joint with the outer side wall of the insertion part 220 and the inner side wall of the connection concave part 111, and the arrangement of the elastic sheet 700 can ensure that components of different expansion systems can be contacted more closely and the matching is more reliable in the matching process.
Referring to fig. 2 to 4, in an expansion of the basic embodiment, the elastic sheet 700 includes two coaxially disposed connection rings 710 and a plurality of connection ribs 720, two ends of each connection rib 720 are respectively connected to the two connection rings 710, the middle portions of the connection ribs 720 are radially recessed and press-connected to the outer side wall of the insertion part 220, and the connection rings 710 press-connected to the inner side wall of the connection recess 111. The arrangement of the two connecting rings 710 is convenient for the whole elastic sheet 700 to be sleeved on the insertion part 220, the connecting ribs 720 can be used as elastic components to enable the elastic sheet 700 to be attached to the outer side wall of the insertion part 220 and the inner side wall of the connecting concave part 111 more tightly, the connecting ribs 720 can be arranged on the axis of the inclined elastic sheet 700, the elastic sheet 700 can be embedded in the connecting concave part 111, and the elastic sheet 700 can play a role in fixing the insertion part 220 through self elasticity assistance.
Engineering plastics can be chooseed for use to the material of connecting the gasket, and general engineering plastics have rigidity big, creep and diminish, mechanical strength is high, the heat resistance is good, electric insulating nature advantage such as good, and connecting the gasket and using engineering plastics can be convenient for adapt to first connecting piece and second connecting piece because the produced effort of the different produced "harmomegathus" of coefficient of expansion, prevent that the connection of first connecting piece and second connecting piece from taking place to become flexible.
A second aspect embodiment of the utility model provides a patch cord assembly comprising:
a first conductive line and a second conductive line;
in the transition joint of the embodiment of the first aspect, the first connection member includes a first wiring groove, the first lead is connected to the first wiring groove, the second connection member includes a second wiring groove, the second lead is connected to the second wiring groove,
it can be understood that the first wire and the second wire can be correspondingly connected with the first connecting piece and the second connecting piece in the existing wire connecting terminal mode, and the first connecting piece and the second connecting piece can also be correspondingly provided with grooves to correspondingly assemble the first wire and the second wire.
It is understood that the connecting wire assembly is not limited to the transition between copper and aluminum materials, but may be a transition between two other metal materials with different expansion coefficients.
The connecting wire assembly according to the embodiment of the present invention includes all the technical effects of the transition joint according to the embodiment of the first aspect, which are not described herein again.
In the description herein, reference to the terms "base embodiment," "extension of the base embodiment," "further extension of the base embodiment," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A transition joint, comprising:
a first connecting piece (100) comprising a first end portion (110), said first end portion (110) being provided with a connecting recess (111);
a second connector (200) comprising a second end (210), the second end (210) extending out of the plug-in portion (220);
a connection pad (300) including a third end portion (310) and a fourth end portion (320) which are divided into two ends;
the plug part (220) passes through the connecting gasket (300) and is detachably connected with the connecting concave part (111);
the first end portion (110) is in concave-convex fit connection with the third end portion (310), and the second end portion (210) is in concave-convex fit connection with the fourth end portion (320).
2. The transition joint according to claim 1, wherein the plug part (220) is provided with an external thread (221), the connection recess (111) is provided with an internal thread (112), and the plug part (220) is threadedly connected with the connection recess (111).
3. The transition joint according to claim 1, wherein the first end portion (110) and the third end portion (310) are provided with a first facing tooth portion (400), the first facing tooth portion (400) comprises a plurality of inclined teeth arranged in sequence along a ring shape, and two first facing tooth portions (400) are in concave-convex fit connection.
4. The transition joint according to claim 1, wherein the second end portion (210) and the fourth end portion (320) are provided with second end face teeth portions (500), the second end face teeth portions (500) comprise a plurality of sector-shaped convex teeth which are sequentially arranged along an annular shape, and the two second end face teeth portions (500) are in concave-convex fit connection.
5. The transition joint according to claim 2, further comprising a sealing ring (600), wherein an annular mounting groove (222) is formed in the insertion portion (220), and the sealing ring (600) is disposed in the annular mounting groove (222).
6. The transition joint of claim 5, wherein the annular mounting groove (222) is located between the second end (210) and the external thread (221).
7. The transition joint according to claim 1, further comprising a spring plate (700), wherein the spring plate (700) is sleeved on the insertion part (220) and is arranged in the connection concave part (111), and the spring plate (700) is pressed against an outer side wall of the insertion part (220) and an inner side wall of the connection concave part (111).
8. The transition joint according to claim 7, wherein the elastic sheet (700) comprises two coaxially arranged connecting rings (710) and a plurality of connecting ribs (720), two ends of each connecting rib (720) are respectively connected with the two connecting rings (710), the middle parts of the connecting ribs (720) are radially inwards concave and are in pressure contact with the outer side wall of the insertion part (220), and the connecting rings (710) are in pressure contact with the inner side wall of the connecting concave part (111).
9. The transition joint according to claim 1, characterized in that the material of the connection gasket (300) is engineering plastic.
10. The connecting wire subassembly, its characterized in that includes:
a first conductive line and a second conductive line;
the transition joint of any one of claims 1 to 9, said first connection member (100) comprising a first wiring slot, said first conductor being connected to said first wiring slot, said second connection member (200) comprising a second wiring slot, said second conductor being connected to said second wiring slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122586684.6U CN216773532U (en) | 2021-10-26 | 2021-10-26 | Transition joint and connecting wire subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122586684.6U CN216773532U (en) | 2021-10-26 | 2021-10-26 | Transition joint and connecting wire subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216773532U true CN216773532U (en) | 2022-06-17 |
Family
ID=81961564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122586684.6U Active CN216773532U (en) | 2021-10-26 | 2021-10-26 | Transition joint and connecting wire subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216773532U (en) |
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2021
- 2021-10-26 CN CN202122586684.6U patent/CN216773532U/en active Active
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