JP2019140086A - Knife type electrical connector - Google Patents

Abstract

To provide a knife type electrical connector.SOLUTION: A knife type electrical connector includes a female end mechanism 100 and a male end mechanism 300 which are inserted and removed from each other. The female end mechanism includes a knife holder, a plurality of terminal pressure contact pieces 21, a plurality of plug posts 22 and a seal plate 23. The male end mechanism includes a connection pedestal 31, a plurality of knife gate terminals 32, a plurality of connection terminals, and a seal member 34. More channel selection and arrangement are provided by further increasing the number of connection terminals in addition to achieving sealing with the above-described member configuration.SELECTED DRAWING: Figure 3

Description

The present invention relates to the field of electrical connectors, and more particularly to knife-type electrical connectors.

Connectors are commonly used to connect various electronic terminals. In addition, knife-type electrical connectors are commonly used for in-vehicle electronic devices. Conventional Patent Document 1 describes, for example, a knife-type electrical connector invention.

Taiwan registered utility model No. 485522 specification

However, in the above-described conventional electrical connector technology, the purpose of connection can be achieved by the conventional connector, however, it cannot satisfy the currently required standard.

In addition, the amount of electronic data and demand for power transmission are increasing, and the conventional 2P4S standard 6-pin configuration cannot meet the demand for transmission technology. Therefore, the need for a connector with more pins is screamed, but the knife-type structure with multiple pins is too long, making the application range narrow and making it difficult to apply force when connecting. Sometimes it was difficult to ensure that each pin was connected securely.

Therefore, the present inventor considered that the above-mentioned drawbacks can be improved, and as a result of intensive studies, the present inventor has arrived at a proposal of the present invention that effectively improves the above-described problems by rational design.

The present invention has been made to solve the above-described problems of the prior art. That is, an object of the present invention is to provide a knife type electrical connector. In other words, the above-mentioned drawbacks of the conventional structure are overcome by the new structure design.

In order to solve the above-mentioned problem, the knife-type electrical connector of the present invention includes a female end mechanism 100 and a male end mechanism 300 that are inserted into and removed from each other. The female end mechanism 100 is a knife holder 10 having a base body 11, a plurality of terminal slots 12, at least one positioning groove 13, and a plurality of insertion holes 14.
The pedestal body 11 has a storage chamber 112 communicating with the outside, and the storage chamber 112 is formed in a recessed shape on the vertical end surface of the pedestal body 11 opposite to the end abutted against the male end mechanism 200. And
Each of the terminal slots 12 is formed so as to penetrate the pedestal main body 11 and communicates with the storage chamber 112 and is opened toward each end surface of the pedestal main body 11 that is in contact with the male end mechanism 200.
The positioning groove 13 is recessed in a vertical end surface of the pedestal body 11 that is in contact with the male end mechanism 200 and is positioned between the terminal slots 12 and contacts the male end mechanism 200 of the pedestal body 11. Open to each end face to be touched,
Each insertion hole 14 is formed so as to penetrate the pedestal body 11 corresponding to each positioning groove 13 and communicates with the storage chamber 112;
A plurality of terminal pressure contact pieces 21 respectively installed in each of the terminal slots 12;
A plurality of plug columns 22 respectively inserted in the insertion holes 14;
And a seal plate 23 which is fitted into the storage chamber 112 and seals the cross section of the open end of the storage chamber 112.
The male end mechanism 300 further includes a connection base 31 and a seal member 34. The connection base 31 includes a plurality of first terminal holes 311 and a plurality of second terminal holes 312. 311 and each of the second terminal holes 312 are formed so as to penetrate the connection base 31, and a plurality of knife gate terminals 32 and a plurality of connection terminals 33 are provided therethrough,
The seal member 34 includes a plurality of cross-sectional grooves 341, a plurality of through holes 342, and at least one second positioning protrusion 345. Each of the cross-sectional grooves 341 and each of the through holes 342 are formed so as to penetrate the seal member 34, and penetrate the knife gate terminals 32 and the connection terminals 33.
The second positioning protrusion 345 is formed on the end surface of the seal member 34 that is in contact with the pedestal main body 11 and is adapted to the positioning groove 13.

1 is a schematic external view showing a knife-type electrical connector according to an embodiment of the present invention. It is the schematic which looked at the embodiment shown in FIG. 1 from another angle. FIG. 3 is a schematic cross-sectional view showing the embodiment shown in FIG. 2. FIG. 2 is a partial exploded schematic view showing the embodiment shown in FIG. 1. FIG. 2 is an exploded schematic view showing the embodiment shown in FIG. 1. It is the schematic which looked at the embodiment shown in FIG. 5 from another angle. It is the schematic which looked at the knife holder shown in FIG. 5 from the other angle. It is the external appearance schematic which shows the knife type electrical connector which concerns on other embodiment of this invention. It is a section schematic diagram showing the knife end mechanism of the present invention. FIG. 6 is a schematic external view showing an embodiment of the seal member shown in FIG. 5.

The knife-type electrical connector according to the present invention will be specifically described below with reference to the drawings. The embodiments described below do not limit the contents of the present invention described in the claims. In addition, all of the configurations described below are not necessarily essential requirements of the present invention.

Next, the present invention will be described in more detail with reference to FIGS. The invention of the knife-type electrical connector of the present embodiment includes a female end mechanism 100 and a male end mechanism 300 that are inserted and removed from each other. The female end mechanism 100 includes a knife holder 10, a plurality of terminal pressure contact pieces 21, a plurality of plug columns 22, a seal plate 23, and a water stopper member 24. The male end mechanism 300 includes a connection base 31, a plurality of knife gate terminals 32, a plurality of connection terminals 33, and a seal member 34 (see FIGS. 1 to 10).

The knife holder 10 described above includes a base body 11, a plurality of terminal slots 12, at least one positioning groove 13, a plurality of insertion holes 14, a fixed ring portion 15, an annular groove portion 16, and a plurality of screw holes. 17 (see FIGS. 1 to 7).

The pedestal main body 11 has a storage chamber 112, a plurality of skids 116, and a plurality of fitting grooves 118. The accommodation chamber 112 is recessed in the end surface of one end of the base body 11. Each of the fitting grooves 118 is formed to be symmetrically recessed on the wall surfaces on both sides of the storage chamber 112. Each of the above-mentioned skids 116 is provided on the bottom end surface of the storage chamber 112 so as to protrude.

The terminal slot 12 is formed so as to penetrate the pedestal main body 11 back and forth, and is opened toward each end surface (upper end surface and vertical surface) with which the pedestal main body 11 and the male end mechanism 200 are in contact with each other, and the storage chamber 112. And corresponds to each skid 116 of the base body 11. In addition, each terminal slot 12 is adjacent to the upper end surface of the storage chamber 112, and a plurality of engaging grooves 122 are symmetrically recessed.

The positioning groove 13 is recessed in the vertical end surface where the pedestal main body 11 and the male end mechanism 200 are in contact with each other, and is positioned between the two terminal slots 12 and each of the pedestal main body 11 and the male end mechanism 200 is in contact with each other. Open toward the end face (upper face and vertical face). In practice, two terminal slots 12 refer to two adjacent terminal slots 12 or two non-adjacent terminal slots 12 (see positioning groove 13 'in FIG. 8).

The insertion hole 14 is formed so as to penetrate the pedestal main body 11 in the front-rear direction so as to correspond to each positioning groove 13, and communicates with the storage chamber 112.

The fixed ring portion 15 is formed so as to be wound along the outer peripheral surface of the pedestal main body 11 and is adjacent to the end of the accommodation chamber 112 of the pedestal main body 11.

The annular groove portion 16 is recessed in the fixed ring portion 15 and is wound along the outer peripheral edge of the base body 11.

Each screw hole 17 is formed so as to penetrate the fixed ring portion 15 symmetrically.

The above-mentioned terminal pressure contact piece 21 is installed in each terminal slot 12 and has a positioning portion 212 and a terminal contact 214. The positioning portion 212 is formed to protrude from the upper end of the terminal pressure contact piece 21 and is adapted to each engagement groove 122. The terminal contact 214 is formed to project from the end side of the positioning portion 212 adjacent to the terminal pressure contact piece 21 and is disposed at the lower end position of the end face and is adapted to the skid 116 of the pedestal main body 11 (FIGS. 3 to 6 and FIG. (See FIG. 9).

The plug column 22 is inserted into each insertion hole 14 (see FIGS. 5 to 6).

The above-described seal plate 23 is fitted into the pedestal main body 11 and the storage chamber 112 to block the cross section of the open end of the storage chamber 112, and has a plurality of holes 231, a plurality of cloth bond grooves 232, and a plurality of receding grooves 233. And a plurality of convex portions 234. Each of the above-mentioned holes 231 is formed so as to fit the position of each insertion hole 14 and penetrate the seal plate 23, and penetrates each of the plug columns 22. The cloth bond groove 232 is formed in a recessed manner on the end surface opposite to the end surface with which the seal plate 23 abuts on the housing chamber 112 of the base body 11 so as to correspond to the peripheral edge of each hole 231. Each of the receding grooves 233 is formed on the bottom end surface of the seal plate 23 and penetrates the terminal contact 24 of the terminal pressure contact piece 21. Each of the convex portions 234 described above is formed on both side ends of the seal plate 23 so as to be fitted to the fitting groove 114 of each pedestal main body 11 (see FIGS. 5 to 6).

The water stop member 24 is covered on the outer peripheral edge of the pedestal main body 11 and attached to the fixed ring portion 15, and the annular groove portion 16 has a fitting port 242, a plurality of annular ribs 244, and a plurality of through holes 246. And have. The aforementioned fitting port 242 is formed so as to pass through the water stopper member 24 in conformity with the contour of the base body 11. Each annular rib 24 is formed on both end faces of the water stopper member 24 along the outer peripheral edge of the fitting port 242. By the combination of the annular groove portion 16 and the annular rib 244, the water stopper member 24 is more suitably bonded, and the contact area and the airtight (waterproof) effect are increased. Each through hole 246 described above is formed so as to penetrate the water stopper member 24 symmetrically to the screw hole 18 of the base body 11. In practice, the water stop member 24 is made of a silicone material (see FIGS. 1, 2, 4-5).

As shown in FIGS. 1 to 6, the connection base 31 includes a plurality of first terminal holes 311, a plurality of second terminal holes 312, a plurality of gum grooves 313, and an assembling convex portion 314. Have. The first terminal holes 311 and the second terminal holes 312 are formed so as to penetrate the connection base 31, and the knife gate terminals 32 and the connection terminals 33 are penetrated. The gum groove 313 is recessed and formed on an end surface different from the end surface abutting against the seal member 34 of the connection base 31 so as to correspond to the peripheral edge of each second terminal hole 312. The assembly convex portion 314 is formed on the connection base 31 and abuts against the end surface of the seal member 34. In practice, the connection terminal 33 is a POGO PIN.

The sealing member 34 described above has a plurality of cross-sectional grooves 341, a plurality of through holes 342, an assembly recess 343, at least one first positioning protrusion 344, and a plurality of second positioning protrusions 345. The aforementioned cross-sectional grooves 341 and through holes 342 are formed so as to penetrate the seal members 34, respectively, and allow the knife gate terminals 32 and the connection terminals 33 to penetrate therethrough. The aforementioned assembly recess 343 is formed on the end surface where the seal member 34 and the connection pedestal 31 are brought into contact with each other, and is fitted to the assembly projection 314 of the connection pedestal 31 and closely assembled. The first positioning convex portion 344 is formed on an end surface where the seal member 34 and the pedestal main body 11 are in contact with each other, and is adapted to the terminal slot 12 of the pedestal main body 11. The second positioning projection 345 is formed on the end surface where the seal member 34 and the pedestal main body 11 are brought into contact with each other, and is adapted to the positioning groove 13 of the pedestal main body 11 (see FIGS. 1 to 6 and 10).

Hereinafter, embodiments of the knife-type electrical connector according to the present invention will be further described with reference to the accompanying drawings. In order to facilitate understanding of the implementation method of the present invention, the same members will be labeled and described below with the same reference numerals.

As shown in FIGS. 1 to 10, when the female end mechanism 100 and the male end mechanism 300 are fitted together, the knife gate terminal 32 on the male end mechanism 300 is aligned with each terminal slot 14 of the female end mechanism 100, and each terminal slot 12. After being inserted at an oblique angle, it is moved downward and pushed so as to be combined to bring the connection terminals 33 and the plug pillars 22 into contact with each other, thereby completing the electrical connection.

Further, by combining the first positioning convex portion 344 and the second positioning convex portion 345 of the seal member 34 with the positioning groove 13 and the terminal slot 12 of the pedestal main body 11, an accurate localization and a close combination effect are achieved.

As shown in FIGS. 1 and 2, the cloth bond groove 232 of the seal plate 23 and the gum groove 313 of the connection base 31 are used for application and accommodation of the adhesive, and the plug pillar 22 and the connection terminal 33 are connected to each other. Allow the adhesive to flow during the bonding process.

The above-described embodiments are merely for explaining the technical idea and features of the present invention, and are intended to allow those skilled in the art to understand the contents of the present invention and to carry out the same with the present invention. It is not intended to limit the scope of the claims. Accordingly, improvements or modifications having various similar effects made without departing from the spirit of the present invention shall be included in the following claims.

DESCRIPTION OF SYMBOLS 100 Female end mechanism 10 Knife holder 11 Base main body 112 Accommodating chamber 114 Insertion groove 116 Skid 114 Insertion groove 12 Terminal slot 122 Engagement groove 13 Positioning groove 13 Insertion hole 15 Fixed ring part 16 Annular groove part 17 Screw hole 300 Male end Mechanism 21 Terminal pressure contact piece 212 Positioning portion 214 Terminal contact 22 Plug column 23 Seal plate 231 Hole 232 Cloth bond groove 233 Retraction groove 234 Protrusion 24 Water stop member 242 Fitting port 244 Annular rib 246 Through hole 300 Male end mechanism 31 Connection base 311 Terminal hole 312 Second terminal hole 313 Gum groove 314 Assembly convex part 32 Knife gate terminal 33 Connection terminal 34 Seal member 341 Cross section groove 342 Through hole 343 Assembly concave part 344 First positioning convex part 345 Second positioning convex part

Claims (10)

A knife-type electrical connector having a female end mechanism and a male end mechanism that are inserted into and removed from each other,
The female end mechanism is
A knife holder having a pedestal body, a plurality of terminal slots, at least one positioning groove, and a plurality of insertion holes,
The pedestal main body has a storage chamber communicated to the outside, and the storage chamber is formed in a recessed manner on the vertical end surface of the end opposite to the end of the pedestal main body that is in contact with the male end mechanism,
Each of the terminal slots is formed so as to penetrate the pedestal body and communicates with the storage chamber, and is opened toward each end surface that contacts the male end mechanism of the pedestal body,
The positioning groove is formed in a recessed shape on a vertical end surface of the pedestal body that is in contact with the male end mechanism, and is positioned between each of the terminal slots and on each end surface of the pedestal body that is in contact with the male end mechanism. Open to
Each of the insertion holes is formed so as to penetrate the pedestal body corresponding to each of the positioning grooves, and communicated with the storage chamber;
A plurality of terminal pressure contact pieces respectively installed in each of the terminal slots;
A plurality of plug columns respectively inserted into the insertion holes;
A seal plate that is fitted into the storage chamber and seals a cross-section of the open end of the storage chamber;
The male end mechanism further includes a connection base and a seal member, and the connection base is
A plurality of first terminal holes and a plurality of second terminal holes, wherein each of the first terminal holes and each of the second terminal holes is formed so as to penetrate the connection base; Connect the connection terminal,
The seal member has a plurality of cross-sectional grooves, a plurality of through holes, and at least one second positioning protrusion.
Each of the cross-sectional grooves and each of the through holes are formed so as to penetrate the seal member, respectively, and each of the knife gate terminals and each of the connection terminals are inserted,
The knife type electrical connector, wherein the second positioning convex portion is formed on an end surface of the seal member that is in contact with the pedestal body, and is adapted to the positioning groove.   The knife-type electrical connector according to claim 1, wherein the positioning groove is provided between each of the two adjacent terminal slots.   The knife-type electrical connector according to claim 1, wherein the positioning groove is provided between each of the two terminal slots that are not adjacent to each other.   The seal member further includes a plurality of first positioning protrusions that are respectively formed on end surfaces with which the seal member and the pedestal main body are in contact with each other and are respectively adapted to the terminal slots of the pedestal main body. The knife-type electrical connector according to claim 1.   The seal member further includes an assembly recess formed on an end surface against which the seal member and the connection pedestal abut, and the end surface against which the connection pedestal and the seal member abut conform to the assembly recess. The knife-type electrical connector according to claim 1, further comprising an assembling projection.   The storage chamber further includes a plurality of fitting grooves, each of the fitting grooves is formed to be symmetrically recessed on the wall surfaces on both sides of the storage chamber, and the seal plate further includes a plurality of convex portions that are fitted to the fitting grooves. The knife-type electrical connector according to claim 1, wherein each of the convex portions is formed on both side ends of the seal plate.   The connection pedestal further includes a gum groove formed in a recessed manner on an end surface different from an end surface of the connection pedestal that is in contact with the seal member so as to correspond to a peripheral edge of each of the second terminal holes. The knife-type electrical connector according to claim 1.   The seal plate further includes a plurality of cloth bond grooves that are respectively recessed and formed on an end surface of the seal plate that is opposite to the end surface that is in contact with the storage chamber so as to correspond to the peripheral edge of each hole. The knife-type electrical connector according to claim 1.   The knife holder further includes a fixed ring portion and an annular groove portion for contacting the water stopper member, and the fixed ring portion is formed so as to be wound along an outer peripheral surface of the pedestal body, and the storage is performed. 2. The knife-type electrical connector according to claim 1, wherein the annular groove portion is recessed in the fixed ring portion and is wound along an outer peripheral edge of the pedestal main body adjacent to an end portion of the chamber. .   The water stopper member has a fitting port formed so as to penetrate the water stopper member, and at least one annular rib formed on an end surface of the water stopper member along an outer peripheral edge of the fitting port. The knife-type electrical connector according to claim 9, wherein the knife-type electrical connector is fitted and fitted to the annular groove.