JPH0142944Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial field of application This invention is capable of assembling identically formed parts in different directions to create two-pole plug-jack connectors with different mating diameters and two-pole plug connectors with different mating diameters. - Concerning a plug-jack connector for coaxial plug insertion and pin plug connection.

Conventional technology The connector in the conventional example is different for different models.
Each of the different nominal sizes is formed of completely separate parts, and the parts are formed so that there is no correlation with each other. In addition, plug-jack connectors with different mating diameters have been known for a long time, but there are jacks that use the same part to fit and connect plugs with different diameters, pin plugs in coaxial plugs, In other words, there is no plug-jack connector capable of forming a jack for connecting core terminals.

Problems that the invention aims to solve Conventional connectors have the problem of being formed from separately formed parts, and therefore the manufacturing process and manufacturing cost are each formed separately, resulting in a relatively high price. are doing.

Means to Solve the Problem This invention forms a two-pole plug-jack connector and a two-pole plug-wire end connecting jack of different diameters by changing the direction of the contact springs that make up the connector and assembling them. It is an object of the present invention to provide a novel plug connector which solves the above-mentioned problems by making it possible to form a connector for a coaxial plug.

Embodiments This invention will be explained in detail based on illustrated embodiments.

Fig. 1 is an explanatory diagram showing a part of the plug connector according to this invention in which the jack part is formed so that another plug with a small diameter can be inserted therein, and Fig. 2 is an explanatory diagram showing a part of the plug connector according to this invention in which the jack part is formed so that another plug with a small diameter can be inserted therein. It is an explanatory view showing a part of the cross section when formed so that only the core portions of the wires are connected. In the figure, 1 is a chip, 2 is a sleeve, 3 is a connection spring, 4 is an insulator, 5 is a cap, and 6 is an insulating collar. The chip 1 includes a head end 11 that connects to a contact spring in the jack of the device, a rod-shaped connecting portion 12 having a small diameter circular cross section that protrudes along the axis from the center of the opposing end surface of the head end 11, and the connecting portion. 12, a fitting part 13 having a slightly larger diameter and longer than the connecting part 12 is provided, and a guide part 14 having a slightly smaller diameter is formed protruding from the edge of the fitting part 13. . In this case, the diameter of the fitting portion 13 is formed to be the same as or slightly smaller than the diameter of the pin terminal forming the core wire portion of the other plug. Also, the connecting part 1
The total length of the protruding length of the sleeve 2, the fitting portion 13, and the guide portion 14 is set to be less than 1/2 of the length of the sleeve 2 in the assembled state. In other words, the connection between the chip 1 and the contact spring 3 as well as between the contact spring 3 and other plugs is connected to the sleeve 2.
Form it as you would do inside the . Further, a slightly wide collar portion 15 having a diameter larger than the diameter of the connecting portion 12 is provided in the middle of the connecting portion 12 and is integrally formed. The sleeve 2 is formed by providing a thin-walled cylindrical sleeve body 21 and a cap fitting part 22 formed with a slightly thicker wall near one open end of the sleeve body 21. As shown in FIG.
The guide part 13 of the chip 1 is inserted, and the end surface facing the head end 11 and the open end of the sleeve body 21 are positioned concentrically with a spaced interval therebetween, and the insulator 4 made of a synthetic resin material is introduced. and fixed formation. The insulator 4 is formed by embedding the space between the chip 1 and the sleeve 2 and the connecting part 12 and the collar part 15 of the chip 1,
A cylindrical part 41 formed with the same thickness is provided on the inner peripheral surface of the sleeve 2 from the fitting part 13 of the chip 1 to the opening of the cap fitting part 22 in the sleeve 2, and at the opening of the cap fitting part 22, The cap fitting part 22
It is formed by providing an opening flange portion 42 having the same diameter as the outer diameter of. In this case, as shown in FIG.
1 and the opening flange 42, rectangular opening grooves 43 are provided in a shallow groove shape and open on the circular inner circumferential surface facing each other on the diameter of a large circle.

As shown in FIGS. 5, 6, and 7, the contact spring 3 includes a leaf spring piece 31 formed by bending a thin sheet metal and a synthetic resin that fixes the leaf spring piece 31 inside the sleeve 2. A stator 32 made of material is provided and formed. The leaf spring piece 31 is formed into a truncated conical tube shape at one end, and has conical wall portions facing each other with a slight spacing and is formed into a notched edge 39, so that the truncated conical tube portion is formed in the radial direction. A conical cylindrical body part 33 is formed so as to be able to extend into the notch edge 3 of the conical cylindrical body part 33.
A width plate-shaped connecting portion 34 extending parallel to the axis from the small-diameter opening end facing the connecting portion 9 is provided, and a curved portion 35 having a convex surface in the opposite direction to the conical cylinder portion 33 is provided at the end edge of the connecting portion 34. The contact portion 36 is formed by being curved to form a convex surface inside the extension line of the portion 34 . Furthermore, an oval rib 37 is provided at the top of the curved portion 35 to further protrude. Further, the stator 32 is attached to a stator main body 30 formed in a circular column shape having an outer diameter that slightly loosely fits into the inner circumferential surface of the cylindrical portion 41 of the insulator 4 formed on the inner circumferential surface of the sleeve 2. It is formed by providing a rectangular guide piece 38 that is opposed to and protrudes in the diametrical direction. Further, the connecting portion 34 of the leaf spring piece 31 is formed substantially parallel to one guide piece 38 and fixed integrally therewith. In this case, the leaf spring piece 31
The conical cylindrical body part 33 is formed so that the large diameter opening end is located at the farthest end when viewed from the stator 32, and the conical cylindrical body part 33 and the stator 32 are formed so as to be located concentrically. Further, the guide piece 38 of the stator 32 is formed to have a width and length so as to fit into the opening groove 43 formed in the insulator 4. The contact spring 3 has a conical cylinder portion 3
3 into the fitting part 13 of the chip 1, and at the same time, the guide piece 38 of the stator 32 is inserted into the opening groove 43 in a sliding manner, and the end face of the stator main body 30 and the chip 1 are fitted.
The ribs 37 of the curved portion 35 formed on the leaf spring piece 31 come into contact with the bottom surface of the opening groove 43, and the contact portion 36 forms a convex surface on the inside of the sleeve 2. Form to protrude. The cap 5 is fitted and fixed to the slightly thick cap mounting portion 22 of the sleeve 2 with a tightening margin, and has a through hole 51 opening on the outer end surface that is formed with a small diameter so that the cap 5 slides smoothly with the sleeve of another plug. Form into a matching jack. The other diameter plug inserted into the through hole 51 connects the inner peripheral surface of the through hole 51 to the sleeve, and at the same time connects the contact portion 36 of the leaf spring piece 31 to the tip to form a two-pole plug-jack. Form a connector.

Next, a plug connector that connects only the core portion of another plug by simply assembling the contact spring 3 in the opposite direction will be described.

As shown in FIGS. 3 and 4, with the chip 1 and the insulator 4 fixed inside the sleeve 2,
The contact portion 36 of the leaf spring piece 31 is brought into contact with the circumferential surface of the fitting portion 13 formed on the chip 1, and at the same time the opening groove 43
The guide section 1 has the rib 37 of the curved section 35 in contact with the bottom surface of the guide section 1, and the end surface of the stator 32 is formed on the tip 1.
4, and is formed by assembling it in the opposite manner to that of the plug-jack connector with different diameters described above. In this state, the large diameter edge of the conical cylindrical body part 33 connects to the opening flange part 4 of the insulator 4 formed inside the sleeve 2.
Formed so that it is located slightly inside the opening surface. The cap 5 is press-fitted into a slightly thick cap fitting part 22 formed on one opening edge of the sleeve 2, and has an insulating collar 6 formed in a ring shape made of synthetic resin on the inside. It is formed by providing a through hole 52 that opens on the outer end surface. Further, the outer circumferential surface 54 is formed with a smooth finish and is formed so as to fit with an outer terminal of another plug formed coaxially. Further, a knob portion 55 having a slightly larger diameter is provided, and a stepped portion of the knob portion 55 is formed as a stopper for the outer terminal. Further, the ridgeline between the outer circumferential surface 54 and the outer end surface is formed into an arc-shaped curved surface 53 to facilitate insertion into the outer terminal. The outer circumferential surface of the insulating collar 6 is in tight contact with the inner circumferential surface of the cap 5, and the inner circumferential surface of the ring is formed concentrically with the shaft center, and as shown in FIG. Form the diameter to fit. Further, the through hole 52 of the cap 5 is formed to have a diameter larger than the diameter of the inner peripheral surface of the insulating collar 6. In this state, the contact spring 3 connects the core part of the chip 1 and the other plug, but does not connect the other poles of the other plug.

Since this invention is constructed as claimed in the utility model registration based on the above-mentioned embodiment, the contact spring forming the connector is common to both, and the chip, sleeve, and insulator are also common, so
It becomes possible to greatly reduce the manufacturing man-hours and manufacturing costs. Furthermore, since the contact is made within the sleeve, it is possible to provide a practical plug connector whose overall length can be shortened.

[Brief explanation of the drawing]

Fig. 1 is an explanatory diagram showing a cross section of a part of a plug connector formed with different diameters, Fig. 2 is an explanatory diagram showing a cross section of a part of a plug connector formed on a wire terminal connection jack, and Fig. 3 4 is a cross-sectional view of a part of the plug part, FIG. 4 is a cross-sectional view taken along the line A-A in FIG. 3, FIG. A-A view in the figure, Figure 7 is a side view of Figure 5,
FIG. 8 is an explanatory diagram showing the fitted state. DESCRIPTION OF SYMBOLS 1... Chip, 2... Sleeve, 3... Contact spring, 4... Insulator, 5... Cap, 6... Insulating collar, 11... Head end, 12... Connection part, 13
... Fitting part, 14 ... Guide part, 31 ... Leaf spring piece, 32 ... Stator, 33 ... Conical cylinder body part, 34
...Connection part, 35...Curved part, 36...Contact part,
43... Opening groove.

Claims (1)

[Scope of utility model registration request] In a two-pole plug-jack connector, there is a head end 11, a circular rod-shaped connecting portion 12 extending along the axis from the center of the opposite side of the head end 11, and a connecting portion 12 connected to the connecting portion 12 to connect the center of the other connector. A fitting part 13 formed to have the same diameter as the pin plug forming the wire terminal is provided, and a guide part 14 connected to the fitting part 13 and having a smaller diameter than the fitting part 13 is provided with a slight length. A chip 1, an insulator 4 formed with a straight-bottom opening groove 43 formed on the inner circumferential surface of a sleeve 2 concentrically facing the chip 1 and opening facing each other on a large circular diameter; A stator 32 is provided with a guide piece 38 that fits smoothly into the inner peripheral surface of the body 4 and also fits into the opening groove 43, and a connecting portion 34 is integrally fixed to the stator 32 and has a truncated head on one side. A conical cylinder part 33 is formed into a conical cylinder shape and has a notch edge 39 parallel to the axis in the wall part, and the fitting part 13 of the chip 1 is inserted into and connected to the conical cylinder part 33, and the other side is opposite to the conical cylinder part 33. A contact spring 3 consisting of a spring piece 31 is provided with a curved portion 35 having a convex surface in the direction and a contact portion 36 having a convex surface opposite to the curved portion 35. 36 is brought into contact with the circumferential surface of the fitting part 13 provided on the chip 1, and the conical cylinder part 33 is provided concentrically at the opening edge of the sleeve 2, and is formed in the opening of the sleeve 2 in the shape of a cylinder with a bottom. A cap 5 is provided with a through hole 51 and an insulating collar 6 formed in a ring shape on the inside of the bottom and formed on the inner periphery to fit the mating connector, and the mating core wire terminal is fixed to the conical cylindrical part. A plug connector characterized in that it is formed so as to be inserted into and connected to 33.