JP3016286U - Electrical signal extractor - Google Patents

Abstract

(57) [Abstract] [Purpose] It is possible to linearly pull out a lead wire and surely allow a gripping portion provided on an elastic wire to be retracted from the tip of a tubular member. [Structure] A lever 3 is movably supported on an upper part of a base member 2, a cylindrical member 4 is provided at a tip of the base member, and one end of a conductive cable 15 in the lever is exposed from a tip of the lever 16 and a socket 16 is provided. Is attached, and the bottom part on the rear side of the rod is curved, and the inner bottom part of the base member in the vicinity of the bottom part 18 of the rod is formed with a protrusion 12 having a constant gap with the bottom part. Two electrically conductive elastic wires 8 are arranged in the member, and a grip portion 30 that can be retracted from the tip of the tubular member is formed at the front portion thereof, and a rear portion includes a bottom portion of the lathe and a projection portion provided on the base member. Is disposed in a gap portion 31 formed between the two, and its end portion is embedded in the bottom portion of the ladle and connected to the conductive cable.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an electric signal extraction device, and more particularly to an electric signal extraction device that extracts a measurement electric signal from a circuit portion of an electronic / electrical device when inspecting, adjusting, repairing, or the like.

[0002]

[Prior art]

 Recently, with the increasing integration and sensitivity of electronic and electrical equipment, various electrical signal extraction devices have been used to extract electrical signals for measurement from their circuit parts when inspecting, adjusting or repairing these equipment. Has been devised and put to practical use. Needless to say, such an electric signal extraction device is optimally miniaturized in consideration of its availability.

By the way, although the conventional electric signal extraction device is miniaturized, there is another inconvenience in using it. For example, there are drawbacks such that the lead wire cannot be drawn out linearly, the electric signal for measurement cannot be extracted on the way, and the shaking of the extraction device cannot be prevented when the devices are used in parallel. The solution to this point was desired.

[0004]

[Problems to be solved by the device]

 The present invention has been made in view of the above-mentioned point of view, in particular, the lead wire can be drawn out linearly, and the grip portion provided at the tip of the elastic wire can be reliably attached from the tip of the tubular member. It is possible to appear and disappear, and further, it is possible to extract the electric signal for measurement on the way, and also to prevent the extracting device from swaying vertically or horizontally when using the extracting devices in parallel. Its purpose is to propose an electric signal extraction device that can perform the above.

[0005]

[Means for Solving the Problems] As means for solving the above problems, an electric signal extracting device according to the present invention is configured such that a non-conductive material is provided on an upper portion of a base member formed of a non-conductive material in the air. A rod formed of a flexible material is rotatably supported in the vertical direction, and a cylindrical member is provided at the tip of the base member so as to project in a straight state, and a conductive member is provided in the rod. A cable is embedded, one end of the conductive cable is exposed from the tip side of the rod, a socket is attached to the exposed portion, and the bottom of the back end side of the rod is curved. On the other hand, on the inner bottom part of the base member near the bottom part of the ladle, there is formed a protruding part having a certain gap with the bottom part without touching the bottom part when the ladle is rotated, An elastic wire rod having conductivity is housed in the cylindrical member, and the elastic wire rod A gripping portion is formed in the portion so as to be retractable from the tip of the tubular member, and the rear portion of the elastic wire member is composed of a curved bottom portion of the lathe rod and a protrusion provided on the inner bottom portion of the base member. It is characterized in that it is located in a gap formed between the two, and its end is embedded in the bottom of the rod and is connected to the conductive cable.

[0006] An opening for extracting an electric signal for measurement from a conductive cable embedded in the rod is formed in an upper portion, a side portion, or both portions of the rod, in the middle of the conductive cable. It may be.

In order to prevent the extractors from swinging vertically or horizontally when the extractors are used in parallel, a bar insertion hole for preventing swinging is formed on the side surface of the tip of the base member. You may.

[0008]

[Function and effect of the device]

 According to the electric signal extracting device of the first aspect of the present invention, as described above, the tip of the sludge formed of a non-conductive material is supported on the upper portion of the base member which is hollow and made of a non-conductive material. By pressing downwards, the lever pivots about the supporting shaft as a fulcrum, and at the same time, the elastic wire embedded in the bottom of the rear end of the lever is pushed forward and The wire rod can move inside the tubular member provided at the tip of the base member, and the gripping portion provided at the tip of the elastic wire can be projected from the tip of the tubular member.

By the way, in the above description, the rear portion of the elastic wire is bent by the rotation of the lathe and abuts against the curved bottom side of the lathe, but the elastic wire returns as the pivot of the lathe further progresses, and This time, it abuts on the protrusion provided on the inner bottom of the base member. In the process of repeating this, the elastic wire can move forward and can be accurately fed into the tubular member provided at the tip of the base member. The grip portion provided at the tip of the elastic wire can be reliably projected from the tip of the tubular member. In this way, the electric signal for measurement can be extracted by grasping the grasping portion protruding from the tubular member on the electrode to be measured in the circuit portion of the device.

Further, one end of the conductive cable embedded in the rod is exposed from the tip side of the rod, and a socket is attached to the exposed portion, so that the linear cable is relieved through the socket. -Because the lead wire can be drawn out, the work can be done efficiently without the lead wire interfering when a large number of extraction devices are used in parallel.

Next, according to the electric signal extracting device of the second aspect, an opening for extracting an electric signal for measurement from a conductive cable embedded in the rod is provided in an upper portion or a side portion or both portions of the rod. Since the part is formed, a measuring instrument such as a tester can be applied to the opening to extract the electric signal for measurement during the process, which is very convenient for use in a small instrument.

Further, according to the electric signal extracting device of the third aspect, since the bar insertion hole is formed in the front end side surface of the base member, when a plurality of extracting devices are used in parallel, the bar insertion hole is inserted into the bar insertion hole. By inserting the −, it is possible to stabilize the extraction device and prevent it from swaying up and down or left and right, and by doing so, it is possible to accurately extract the electrical signal for measurement.

[0013]

【Example】

 An example of an embodiment of the present invention will be described below with reference to the drawings.

1 and 2, reference numeral 1 denotes an electric signal extracting device according to the present invention. The electric signal extracting device 1 includes a base member 2 and a lever 3 pivotally supported on the base member 2. And a cylindrical member 4 provided at the tip and an elastic wire 5 arranged inside the cylindrical member 4.

The base member 2 is formed of a synthetic resin in a hollow shape, and an opening 7 that is open is formed above the hollow portion 6. The base member 2 has a substantially mountain shape in side view. In addition, a tubular member 4 is provided so as to project straight from the front end surface of the base member 2, and two thin elastic wire rods 8 made of a conductive piano wire are housed in the tubular member 4. ing. Further, a bar insertion hole 9 having a rectangular shape is formed laterally on the side surface near the tip of the base member 2.

The elastic wire 8 is not necessarily limited to the piano wire. The base material 2 is not necessarily limited to the one formed of resin as long as it is non-conductive.

Reference numeral 12 indicates a protrusion having a substantially hemispherical shape formed near the tip of the inner bottom of the hollow portion 6 provided in the base member 2. Further, reference numeral 13 indicates a stopper portion bulgingly formed on one side surface in the hollow portion 6, the stopper portion 13 is located in the vicinity of the protruding portion 12, and the inner bottom portion of the hollow portion 6 is formed. From the top to the center.

Next, the rod 3 is made of synthetic resin, and is pivotally supported in the hollow portion 6 of the base member 2 by a support shaft 14 so as to rotate in the vertical direction with the support shaft 14 as a fulcrum. . Further, a conductive cable 15 is embedded in the rod 3, and one end of the conductive cable 15 is exposed from the tip end side of the rod 3 and a socket 16 is attached. Further, the bottom portion 18 on the rear end side of the rod 3 is formed in a curved shape, and when the rod 3 is rotated around the support shaft 14, the bottom portion 18 is inside the hollow portion 6 of the base member 2. It is provided so that a constant gap is always provided without touching the protrusion 12 provided on the bottom. The rod 3 is not necessarily limited to one formed of resin as long as it is non-conductive.

Further, a stopper-receiving portion 20 corresponding to the stopper portion 13 formed on the inner bottom portion of the hollow portion 6 of the base member 2 is projectingly formed on the rear end side of the center of one side surface of the lever 3, As a result, even if the rod 3 is always urged upward due to the elasticity of a torsion coil spring, which will be described later, the rod 3 is prevented from rotating beyond a certain level. Further, openings 22, 23, 24 for extracting an electric signal for measurement from the middle of the conducting cable 15 embedded in the rod 3 are formed in the upper surface and both side surfaces of the central portion of the rod 3. ing.

As shown in FIG. 2, a torsion coil spring 26 that constantly urges the lever 3 upward is arranged between the base member 2 and the lever 3, and one end of the torsion coil spring 26 is described above. It is locked to a receiving portion 27 provided at the rear portion of the inner bottom portion of the hollow portion 6 of the base member 2. Moreover, the other end of the torsion coil spring 26 is inserted into a recessed hole 28 formed in the lower surface of the back end of the lever 3.

Next, at the tip of the two thin elastic wires 8 made of a piano wire housed in the tubular member 4, a gripping portion 30 that can be retracted from the tip of the tubular member 4 is formed. The grip portion 30 is formed by bending the ends of the two elastic wires 8 inward by approximately 90 degrees. Further, the rear portions of the two elastic wires 8 are located in the gap portion 31 formed between the curved bottom portion 18 of the rod 3 and the protrusion 12 provided on the inner bottom portion of the hollow portion 6 of the base member 2. At the same time, its end is embedded in the bottom of the ladle 3 and is connected to the conductive cable 15.

According to the electric signal extraction device 1 having the above-described configuration, the tip end side of the lever 3 is pressed downward against the elasticity of the torsion coil spring 26, so that the lever 3 rotates about the support shaft 14 as a fulcrum. At the same time, the two elastic wire rods 8 having the rear end portions buried in the bottom end portion on the rear end side of the sludge 3 are pushed forward and the elastic wire rods 8 are provided at the tip of the base member 2. It is possible to move inside the tubular member 4 and cause the grip portion 30 provided at the tip of the elastic wire 8 to project from the tip of the tubular member 4.

By the way, when the rod 3 is rotated around the support shaft 14 as a fulcrum, the rear portions of the two elastic wire rods 8 embedded in the bottom portion on the rear end side of the rod 3 are bent to bend the rod 3. The elastic wire 8 returns to the bottom 18 of the base member 2 and further contacts the protrusion 12 provided on the inner bottom of the base member 2 as the rod 3 further rotates. Then, in the process of repeating this, the elastic wire 8 can be moved forward and reliably fed into the tubular member 4 provided at the tip of the base member 2.

In combination with this, the grip portion 30 formed by bending the tip portions of the two elastic wires 8 inward can be reliably projected from the tip of the tubular member 4, and The grip portion 30 expands by an elastic action when protruding. The electric signal for measurement can be easily extracted by gripping the gripping portion 30 protruding from the tubular member 4 in this manner with the electrode to be measured 32 in the circuit portion of the device.

Since one end of the conductive cable 15 embedded in the rod 3 is exposed from the tip side of the rod 3 and the socket 16 is attached, the conductive cable 15 is linearly inserted through the socket 16. Since lead wires (not shown) can be pulled out, the lead wires do not interfere when using a large number of electrical signal extracting devices 1 in parallel, and work efficiency is improved. It can be measured.

Further, since openings 22, 23, 24 for extracting a measurement electric signal from the conductive cable 15 embedded in the rod 3 are formed on the upper surface and both side surfaces of the rod 3, the above-mentioned opening is formed. A measuring device (not shown) such as a tester can be applied to any of the parts 22, 23, and 24 to extract the electric signal for measurement during the process, so that it can be used in a small device. Very convenient to use.

Furthermore, since the bar insertion hole 9 is formed in the front side surface of the base member 4, the bar insertion hole 9 is used when a large number of electric signal extracting devices 1 are used in parallel as shown in FIG. By inserting the bar 33 in 6, it is possible to prevent the electric signal extraction device 1 from being stabilized and swaying up and down and left and right, and thereby accurately extracting the electric signal for measurement. You can

[Brief description of drawings]

FIG. 1 is a perspective view of an electric signal extraction device according to the present invention.

FIG. 2 is a vertical cross-sectional view showing the internal structure of the electric signal extraction device.

FIG. 3 is a use explanatory diagram of a state in which a large number of the electric signal extraction devices are used in parallel and a bar is inserted into a bar insertion hole of these devices.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Electric signal extraction device 2 Base member 3 Ladder rod 4 Cylindrical member 8 Elastic wire rod 12 Projection part 15 Conductor cable 16 Socket 18 Bottom part 30 Gripping part

Claims (3)

[Scope of utility model registration request] 1. A hollow rod formed of a non-conductive material is axially rotatably supported on a base member formed of a non-conductive material so as to be vertically rotatable. A cylindrical member is projected straightly at the tip of the rod, and a conductive cable is embedded in the rod. One end of the conductive cable is exposed from the tip side of the rod and the socket is exposed at the exposed portion. Further, while the bottom portion on the rear end side of the rod is formed in a curved shape, the inner bottom portion of the base member near the bottom portion of the rod is to be touched at the time of rotating the rod. Without forming a protrusion with a certain gap from the bottom portion, an elastic wire rod having conductivity is housed in the tubular member, and the tip end of the elastic wire rod projects from the tip of the tubular member. A free gripping part is formed, and the rear part of the elastic wire is It is located in a gap formed between a curved bottom portion and a protrusion provided on the inner bottom portion of the base member, and its end portion is embedded in the bottom portion of the ladle and the conductive case is formed. An electric signal extraction device characterized by being connected to a cable. 2. An opening for extracting an electric signal for measurement from a conductive cable embedded in the rod at an upper portion or a side portion or both portions of the rod, in the middle of the conductive cable. The electric signal extraction device according to claim 1, wherein 3. A bar-insertion hole for rocking prevention is provided on the tip side surface of the base member in order to prevent the brewing devices from swaying vertically or horizontally when the brewing devices are used in parallel. The electrical signal extraction device according to claim 1, wherein the electrical signal extraction device is characterized in that.