CN214124171U - Three-phase electric wiring terminal, stud arrangement and three-phase electric wiring terminal assembly - Google Patents
Three-phase electric wiring terminal, stud arrangement and three-phase electric wiring terminal assembly Download PDFInfo
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- CN214124171U CN214124171U CN202120426794.3U CN202120426794U CN214124171U CN 214124171 U CN214124171 U CN 214124171U CN 202120426794 U CN202120426794 U CN 202120426794U CN 214124171 U CN214124171 U CN 214124171U
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- 230000005611 electricity Effects 0.000 abstract description 7
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- 238000011900 installation process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a three-phase electric wiring terminal, including first, second, the third binding post that corresponds to the three-phase respectively, set up respectively on first, second, the third binding post at a distance of first, second, three hole interval two first, second, third mounting holes that separate, the numerical value of first, second, third hole interval is mutually different. The utility model discloses still relate to a double-screw bolt is arranged for three phase electricity binding post, include two double-screw bolts of first, second, third group that separate at a distance of first, second, third double-screw bolt interval that correspond to three phase electricity binding post respectively, the numerical value of first, second, third double-screw bolt interval is mutually different. The utility model discloses still relate to the three-phase electricity wiring terminal subassembly that contains above-mentioned three-phase electricity wiring terminal and double-screw bolt and arrange. With the help of the utility model discloses, can effectively avoid three phase current binding post to appear the mistake installation, be favorable to realizing blind installation.
Description
Technical Field
The utility model relates to an electrical connector field, concretely relates to an electrical connector for aviation electrical integration, more specifically relate to a three-phase electric binding post, double-screw bolt are arranged and three-wire electric binding post subassembly.
Background
At present, a set of standard single-hole or double-hole wiring terminals is generally used for common aviation high-current three-phase power. The wiring terminal is easy to confuse the connection between the wiring terminal of the three-phase power A/B/C end and the stud in the normal installation process, namely the wiring terminal does not have the error-proof function. This is inconvenient and disadvantageous for blind installations, in other words, it requires the operator to visually inspect the installation site at the time of installation, otherwise installation errors may occur.
For example, chinese utility model patent CN 203503816U of tai xing rong yu teng limited provides a 90 ° double-hole copper tube connection terminal for solving the technical problem of difficult connection in the vertical direction, but it does not have the function of error protection.
For another example, chinese utility model patent CN 203871496U of phoenix science and technology group, ltd, which utilizes the length of the waist-shaped hole to change the fixed distance between the waist-shaped hole and the circular hole, and to adjust different installation distances, does not have an error-proofing function. And it adopts non-fixed through-hole and adopts waist type hole movable binding post installation, is not suitable for the binding post installation that is used for fixed through-hole.
In summary, no error-proof design for three-phase electric connection terminals exists at home and abroad currently.
SUMMERY OF THE UTILITY MODEL
Based on the above-mentioned problem that exists among the prior art, the utility model aims to, realize the error-proofing function in heavy current three-phase electricity binding post installation, reach blind installation purpose.
Therefore, the utility model provides a three-phase electric wiring terminal, including first binding post, second binding post and the third binding post that corresponds to the three-phase respectively, wherein, set up two first mounting holes at a distance from first hole interval spaced on the first binding post, set up two second mounting holes at a distance from second hole interval spaced on the second binding post, set up two third mounting holes at a distance from third hole interval spaced on the third binding post, a serial communication port, first hole interval the second hole interval with the numerical value of third hole interval is mutually different.
Through the arrangement, each wiring terminal can only be installed in a matched mode with the corresponding stud, so that errors in the installation process of the three-phase electric wiring terminal are avoided, and the blind installation is favorably realized.
According to a preferred embodiment of the three-phase electric connection terminal of the present invention, the mounting holes in each of the first connection terminal, the second connection terminal and the third connection terminal are mounting holes that are identical in terms of shape and/or size.
By using mounting holes of the same shape and/or size, it is possible to facilitate the manufacturing of the mounting holes using existing, widely used processes.
According to the utility model discloses a three-phase electric binding post's preferred embodiment, two first mounting holes two second mounting holes with one or more mounting holes in two third mounting holes are circular mounting hole.
The circular mounting hole facilitates manufacture and cooperation with studs as is common in the art.
The utility model also provides a double-screw bolt is arranged for three phase electricity binding post, include corresponding to three phase electricity binding post respectively at a distance of first double-screw bolt interval two double-screw bolts of a set of, at a distance of second double-screw bolt interval two double-screw bolts of a set of second and at a distance of third double-screw bolt interval two double-screw bolts of a set of third that separate, its characterized in that, first double-screw bolt interval second double-screw bolt interval with the numerical value of third double-screw bolt interval is different each other.
Through the arrangement, each stud can only be matched with the corresponding wiring terminal for installation, so that errors in the installation process of the three-phase electric wiring terminal are avoided, and the blind installation is favorably realized.
According to a preferred embodiment of the stud arrangement of the invention, the connecting lines between two studs of each set are parallel to each other.
Multiple sets of studs parallel to each other facilitate providing a compact stud arrangement and facilitating mating installation with multiple wire terminals arranged substantially parallel to each other.
According to the utility model discloses a preferred embodiment that the double-screw bolt was arranged, the double-screw bolt interval between adjacent two sets of double-screw bolts increases progressively in proper order.
This regular stud arrangement facilitates the installation of the terminals by an operator in a convenient, customary or regular manner.
According to the utility model discloses a preferred embodiment that the stud was arranged, the stud interval between the middle a set of stud is the biggest.
This regular stud arrangement facilitates the installation of the terminals by an operator in a convenient, customary or regular manner.
According to the utility model discloses a preferred embodiment that the double-screw bolt was arranged, a double-screw bolt in two double-screw bolts of every group aligns along the double-screw bolt datum line in the direction of the line between two double-screw bolts of every group of perpendicular to, and another double-screw bolt in two double-screw bolts of every group all is located same one side of double-screw bolt datum line.
The plurality of sets of studs so arranged is advantageous in further providing a compact arrangement of studs, in particular in a direction perpendicular to a line connecting two studs of each set.
According to a preferred embodiment of the stud arrangement of the invention, each stud is designed such that the spacing between any two studs is different.
The stud arranged in this way can fundamentally completely prevent the connection terminal from being connected to the wrong stud, i.e. from being installed incorrectly.
The utility model also provides a three-phase electric wiring terminal subassembly, include according to aforementioned three-phase electric wiring terminal and arrange according to aforementioned double-screw bolt, wherein, first hole interval, second hole interval and third hole interval respectively with first double-screw bolt interval, second double-screw bolt interval and third double-screw bolt interval one-to-one to binding post through every group double-screw bolt installation.
Through the arrangement, each wiring terminal can only be installed in a matched mode with the corresponding stud, so that errors in the installation process of the three-phase electric wiring terminal are avoided, and the blind installation is favorably realized.
The utility model discloses a design innovation point of diplopore terminal structure lies in, realizes the error-proofing purpose through changing the different distances between the binding post diplopore and between each double-screw bolt when installing binding post on the double-screw bolt, reachs the effect of blind installation. In short, the utility model discloses the accessible changes the center-to-center distance between two round holes of binding post and leaves the double-screw bolt that corresponds different distances and can fine reach the error-proofing mesh, is difficult for leading to the misconnection in the installation.
The utility model provides a common basic idea that its technical problem was based on is: the diameter of the wiring stud is kept unchanged, and the purpose of identifying different positions according to different center distances of the double holes when a group of wiring terminals are installed on the stud is achieved by changing the center distance between the double holes of the group of wiring terminals, so that the problem of wrong connection cannot occur in the installation process.
The beneficial effects of the utility model reside in that, solve three-phase heavy current binding post and lead to the misconnection because of the misoperation, realize the error-proofing, the technological effect of blind installation even.
To sum up, the utility model has the advantages that at least: the error-proof installation method for the large-current three-phase wiring terminal set can be realized, particularly, the error installation of the large-current three-phase wiring terminal set can be effectively avoided, the connection error is not easy to occur, and the blind installation is realized.
It is to be understood that both the foregoing general description and the following detailed description illustrate various embodiments and are intended to provide an overview or framework for understanding the nature and character of the claimed subject matter.
This document includes the accompanying drawings to provide a further understanding of various embodiments. The accompanying drawings are incorporated in and constitute a part of this specification. The drawings illustrate various embodiments described herein, and together with the description serve to explain the principles and operations of the claimed subject matter.
Drawings
With reference to the above purposes, the technical features of the invention are hereinafter clearly described, and the advantages thereof are apparent from the following detailed description with reference to the accompanying drawings, which illustrate, by way of example, a preferred embodiment of the invention, without limiting its scope.
In the drawings:
fig. 1 is a schematic perspective view of a preferred embodiment of a three-phase electrical terminal mounted on a stud according to the present invention.
Fig. 2 is a schematic view of the three-phase electric connection terminal according to the invention shown in fig. 1.
Fig. 3 is a schematic view of the stud arrangement according to the invention shown in fig. 1.
Fig. 4 is a schematic perspective view of another preferred embodiment of a three-phase electrical terminal mounted on a stud according to the present invention.
Fig. 5 is a schematic perspective view of yet another preferred embodiment of a three-phase electrical terminal mounted on a stud according to the present invention.
List of reference numerals
100 three-phase electric wiring terminal
110 first connecting terminal
111 first mounting hole
112 first hole pitch
120 second connecting terminal
121 second mounting hole
122 second hole pitch
130 third connecting terminal
131 third mounting hole
132 third hole spacing
200 stud arrangement
210 first two studs
212 first stud spacing
220 second set of two studs
222 second stud spacing
230 third set of two studs
232 third stud spacing
240 stud datum line
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings and described below.
While the present invention will be described in conjunction with the exemplary embodiments, it will be appreciated that this description is not intended to limit the invention to those embodiments illustrated. On the contrary, the invention is intended to cover not only these exemplary embodiments, but also various alternatives, modifications, equivalents and other embodiments, which may be included within the spirit and scope of the invention.
For convenience in explanation and accurate definition of the technical solutions of the present invention, the terms "upper", "lower", "inner" and "outer" are used to describe features of the exemplary embodiments with reference to the positions of these features as shown in the figures.
Fig. 1 to 3 show an exemplary embodiment of a three-phase electrical terminal 100 according to the invention, while fig. 4 and 5 show two further exemplary embodiments of a three-phase electrical terminal 100 according to the invention.
Referring to fig. 1 to 5, the three-phase electric connection terminals include a first connection terminal 110, a second connection terminal 120, and a third connection terminal 130 corresponding to three phases, respectively.
The first connection terminal 110 has two first mounting holes 111 spaced apart from each other by a first hole pitch 112, the second connection terminal 120 has two second mounting holes 121 spaced apart from each other by a second hole pitch 122, and the third connection terminal 130 has two third mounting holes 131 spaced apart from each other by a third hole pitch 132.
It is noted that the first hole pitch 112, the second hole pitch 122, and the third hole pitch 132 described above generally refer to the distance between the centroids of the respective two mounting holes. However, the first hole pitch 112, the second hole pitch 122 and the third hole pitch 132 may be defined by those skilled in the art according to actual requirements as distances associated with other geometric features of the mounting holes, including but not limited to the distance between the two closest points of the two mounting holes.
Preferably, the mounting holes in each of the first, second, and third connection terminals 110, 120, and 130 may be mounting holes that are identical in shape and/or size. More preferably, one or more of the two first mounting holes 111, the two second mounting holes 121, and the two third mounting holes 131 may be circular mounting holes. It is to be noted that, in addition to the above-mentioned fact that the respective mounting holes may have the same shape and size, those skilled in the art may also set the partial mounting holes to have the same shape and size according to actual needs, for example, two mounting holes in the same terminal may have the same shape and size, and so on.
In order to realize the technical effect of the utility model of preventing installation error, the numerical value of first hole interval 112, second hole interval 122 and third hole interval 132 is different from each other.
Referring to fig. 1-5, and particularly to fig. 3, various embodiments of a stud arrangement 200 for a three-phase electrical terminal are shown.
The stud arrangement 200 includes a first set of two studs 210 spaced apart a first stud spacing 212, a second set of two studs 220 spaced apart a second stud spacing 222, and a third set of two studs 230 spaced apart a third stud spacing 232, corresponding to three-phase electrical wire terminals, respectively. Generally, first stud spacing 212, second stud spacing 222, and third stud spacing 232 refer to the distance between the axes of two studs.
In order to realize the utility model discloses a prevent the technological effect of installation mistake, the numerical value of first double-screw bolt interval 212, second double-screw bolt interval 222 and third double-screw bolt interval 232 is different from each other.
In a preferred embodiment, the connecting lines between the two studs of each set are parallel to each other. Here, the connection line between two studs refers to a connection line between the axes of two studs in the same group corresponding to the above stud pitch.
Further preferably, the stud spacing between two adjacent sets of studs may be sequentially incremented, such as shown in the embodiments of fig. 1-3. For example, the stud spacing may increase sequentially from the first set of two studs 210 to the third set of two studs 230.
Alternatively, the stud spacing between the middle set of studs may be the largest.
In a more preferred embodiment, as best shown in FIG. 5, one stud of each set of two studs is aligned along a stud datum line 240 in a direction perpendicular to a line connecting the two studs of each set, and the other stud of each set is located on the same side of the stud datum line 240.
In a most preferred embodiment, each stud is designed such that the spacing between any two studs is different.
A three-phase electrical terminal assembly comprising a three-phase electrical terminal 100 according to the above and a stud arrangement 200 according to the above, wherein a first hole pitch 112, a second hole pitch 122 and a third hole pitch 132 correspond one-to-one with a first stud pitch 212, a second stud pitch 222 and a third stud pitch 232, respectively, so as to mount one terminal by each set of studs.
A specific embodiment of a three-phase electrical terminal according to a preferred embodiment of the invention can be seen, for example, in fig. 2. A group of three-phase electric wiring terminals are perforated according to the schematic diagram of figure 2, and the center distances of different wiring terminals in the same group of three-phase electric wires are different.
The stud arrangement according to the preferred embodiment of the present invention is illustrated in fig. 3, and the distance between two studs corresponding to the same connecting terminal in the same group is kept the same as the distance between the centers of two holes.
During mounting, two hole terminals with three different hole pitches are mounted on the corresponding studs respectively as shown in fig. 1.
While the preferred embodiments of the present invention have been described in detail above, it should be understood that aspects of the embodiments can be modified, if necessary, to employ aspects, features and concepts of the various patents, applications and publications to provide yet further embodiments.
These and other changes can be made to the embodiments in light of the above detailed description. In general, in the claims, the terms used should not be construed to be limited to the specific embodiments disclosed in the specification and the claims, but should be construed to include all possible embodiments along with the full scope of equivalents to which such claims are entitled.
Claims (10)
1. A three-phase electric connection terminal (100) comprises a first connection terminal (110), a second connection terminal (120) and a third connection terminal (130) which correspond to three phases respectively, wherein the first connection terminal (110) is provided with two first mounting holes (111) which are separated from each other by a first hole interval (112), the second connection terminal (120) is provided with two second mounting holes (121) which are separated from each other by a second hole interval (122), the third connection terminal (130) is provided with two third mounting holes (131) which are separated from each other by a third hole interval (132),
it is characterized in that the preparation method is characterized in that,
the first hole pitch (112), the second hole pitch (122), and the third hole pitch (132) have different values from each other.
2. A three-phase electrical terminal according to claim 1,
the mounting holes in each of the first connection terminal (110), the second connection terminal (120), and the third connection terminal (130) are mounting holes that are identical in shape and/or size.
3. A three-phase electrical terminal according to claim 1,
one or more of the two first mounting holes (111), the two second mounting holes (121), and the two third mounting holes (131) are circular mounting holes.
4. A stud arrangement (200) for a three-phase electrical terminal comprises a first set of two studs (210) spaced apart by a first stud spacing (212), a second set of two studs (220) spaced apart by a second stud spacing (222), and a third set of two studs (230) spaced apart by a third stud spacing (232) corresponding to the three-phase electrical terminal, respectively,
it is characterized in that the preparation method is characterized in that,
the first stud spacing (212), the second stud spacing (222), and the third stud spacing (232) differ in value from one another.
5. Stud arrangement (200) according to claim 4,
the connecting lines between the two studs of each group are parallel to each other.
6. Stud arrangement (200) according to claim 5,
the stud spacing between two adjacent sets of studs increases progressively in sequence.
7. Stud arrangement (200) according to claim 5,
the stud spacing between the middle set of studs is the largest.
8. Stud arrangement (200) according to claim 6 or 7,
one stud in each group of two studs is aligned along a stud reference line (240) in a direction perpendicular to a connecting line between the two studs in each group, and the other stud in each group of two studs is positioned on the same side of the stud reference line (240).
9. Stud arrangement (200) according to claim 4,
each stud is designed such that the spacing between any two studs is different.
10. A three-phase electrical terminal assembly comprising a three-phase electrical terminal (100) according to any one of claims 1 to 3 and a stud arrangement (200) according to any one of claims 4 to 9, wherein the first hole pitch (112), the second hole pitch (122) and the third hole pitch (132) correspond one-to-one to the first stud pitch (212), the second stud pitch (222) and the third stud pitch (232), respectively, so that one terminal is mounted by each set of studs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120426794.3U CN214124171U (en) | 2021-02-26 | 2021-02-26 | Three-phase electric wiring terminal, stud arrangement and three-phase electric wiring terminal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120426794.3U CN214124171U (en) | 2021-02-26 | 2021-02-26 | Three-phase electric wiring terminal, stud arrangement and three-phase electric wiring terminal assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214124171U true CN214124171U (en) | 2021-09-03 |
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ID=77496614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120426794.3U Active CN214124171U (en) | 2021-02-26 | 2021-02-26 | Three-phase electric wiring terminal, stud arrangement and three-phase electric wiring terminal assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214124171U (en) |
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2021
- 2021-02-26 CN CN202120426794.3U patent/CN214124171U/en active Active
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