JP4049346B2 - Portable measuring equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention can cover the upper surface side of the measuring instrument main body while storing various accessories in a stable state when not in use. The present invention relates to a portable measuring instrument that can be suitably used as a measuring instrument such as an insulation resistance meter.
[0002]
[Prior art]
For example, various portable measuring instruments such as insulation resistance meters usually need to be carried with various accessories such as measurement probes and cords. For example, they are stored in a carrying case that is prepared separately as a special order product. It will be carried to the work site.
[0003]
[Problems to be solved by the invention]
However, when carrying a portable measuring instrument with accessories, a carrying case must be manufactured separately for each measuring instrument with a different design. there were.
[0004]
In addition, the carrying case manufactured by changing the design for each specific measuring instrument has a disadvantage in that its manufacturing cost increases as a custom-made product. In addition, the plug part of the measuring probe as an accessory must be stored in the carrying case in a state of being pulled out from the connection terminal of the measuring instrument. There was a work complexity that had to be connected to the connection terminal of the vessel.
[0005]
In view of the above-mentioned problems found in the prior art, the present invention can store accessories such as a measurement probe in a lid formed integrally with the measurement device main body, and the plug portion of the measurement probe is also included in the measurement device main body. An object is to provide a portable measuring instrument that can be carried in a state of being inserted into a connection terminal.
[0006]
[Means for Solving the Problems]
The present invention has been made to achieve the above-mentioned object, and its structural feature is that it has a protrusion provided along the outer peripheral direction in the vicinity of the upper surface, and is capable of freely measuring insulation resistance and the like. A measuring instrument body, and a lid body that is formed so as to freely cover the upper surface side and the bottom surface side with the protruding portion of the measuring instrument body as a stopper. A flexible hinge portion with a shaft support hole suspended from a substantially central portion on one side of the open end edge defining the portion, and a substantially central portion on the other side facing the one side. And a flexible fastening portion with a locking hole, and measuring via the shaft support hole of the flexible hinge portion with the support shaft portion protruding from the corresponding portion of the projection portion of the measuring instrument body as the central axis As well as freely pivoting to the bottom side of the instrument body, and similarly to the corresponding part of the protruding part of the instrument body In that disposed in the free engagement of the locking hole to set been projected pieces.
[0007]
In this case, it is preferable that a holding member is provided inside the lid so as to freely store various accessories required by the measuring instrument main body. Further, the support shaft portion of the measuring device main body is formed by a shaft main body portion and a head portion that is larger in diameter than the shaft main body portion and attached to the projecting end thereof, and a flexible hinge portion of the lid body is formed. The shaft support hole has a smaller diameter than the top portion of the support shaft portion and a larger diameter than the shaft main body portion, and a small hole portion provided at a facing portion of the shaft main body portion, than the small hole portion. It is desirable to form with a large hole portion having a large diameter and communicating with each other. Furthermore, it is preferable that the accessory includes a measurement probe, and the measurement probe is stored and held in the lid body in a state where each plug portion is separately connected to the connection terminal side of the measuring instrument main body. .
[0008]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is a front view showing an example of the present invention, and FIG. 2 is a rear view thereof. According to these figures, the whole is a measuring instrument main body 11 having an appropriate three-dimensional shape such as a substantially rectangular parallelepiped formed freely for measurement of insulation resistance and the like, and a protruding portion 14 of the measuring instrument main body 11 as a stopper. The lid 21 is formed at least from the upper surface 12 side and the bottom surface 19 side so as to be freely covered in both directions.
[0009]
Among these, the measuring instrument main body 11 is provided with appropriate necessary members such as a display unit for displaying measured values and an operation dial for setting a range on the upper surface 12, and the upper surface 12. The outer surface 13 located slightly below the lower side is provided with a protruding portion 14 extending in a belt shape in the circumferential direction, and the upper end surface 14 a and the lower end surface 14 b of the protruding portion 14 are opened to the lid 21. It can function as a stopper that comes into contact with the end face 23. In addition, in the example of illustration, although the protrusion part 14 which wraps around the outer surface 13 in a strip | belt shape is shown, it can also provide in the parted non-strip | belt shape.
[0010]
On the other hand, as shown in detail in FIG. 5, the lid 21 is formed on one side of the open end edge 22 that defines the opening 24, according to FIG. A relatively soft flexible hinge portion 25 with a shaft support hole 26 suspended from a substantially central portion, and an open end edge 22 located on the other side opposite to this, that is, on the front side according to FIG. A relatively soft flexible fastening portion 29 with a locking hole 30 provided vertically from the center portion is formed. The flexible hinge portion 25 is preferably provided with a groove-like thin portion 25a in advance along the bending direction.
[0011]
Further, as shown in FIGS. 3 and 4, the lid body 21 has a flexible hinge portion with the support shaft portion 15 protruding from the corresponding portion of the protruding portion 14 of the measuring instrument body 11 as the central axis. The measuring instrument main body 11 is formed so that it can be freely turned around to the bottom surface 19 side through the shaft supporting holes 26 and can be supported by the shaft.
[0012]
In this case, when the support shaft portion 15 of the measuring device main body 11 is formed by the shaft main body portion 16 and the crown portion 17 attached to the projecting end with a larger diameter than the shaft main body portion 16, The shaft support hole 26 of the flexible hinge portion 25 is also smaller in diameter than the top portion 17 of the support shaft portion 15 and larger in diameter than the shaft main body portion 16, and is provided in a small hole portion 27 provided at a portion facing the shaft main body portion 16. And a large hole portion 28 having a diameter larger than that of the small hole portion 27 and communicating with each other via the constricted portion 26a.
[0013]
Further, the lid body 21 is formed so that the engaging hole 30 can be freely engaged with the projecting piece portion 18 projecting from the corresponding portion of the projecting portion 14 of the measuring instrument main body 11. In this case, the protruding piece portion 18 is formed by a base portion 18a that fits in the locking hole 30 and a head portion 18b that is provided at the protruding end of the base portion 18a and has a larger diameter than the locking hole 30 and protrudes. However, it is preferable from the viewpoint of ensuring the mutual engagement state.
[0014]
Further, as shown in FIG. 5, a holding member 31 is provided inside the lid body 21 so as to freely store various accessories 34 required by the measuring instrument main body 11. Specifically, for example, the measuring instrument main body 11 includes a pair of measuring probes 35 and 35 having a plug portion 37 at the other end portion of the cord portion 36 which is inserted into a connection terminal (not shown) provided on the upper surface 12 and connected thereto. The product 34 can be held by a holding member 31 composed of a pair of band members 32 and 32 constituted by a hook-side band portion 32 a and a loop-side band portion 32 b disposed on the lid 21. ing. Further, an appropriate sheet-like accessory 34 such as an instruction manual 38 can be held by a holding member 31 made of a storage bag material 33 attached to the inner side surface 21a.
[0015]
Since the present invention is configured as described above, the open end surface 23 of the lid 21 is brought into contact with the upper end surface 14a of the protruding portion 14 of the measuring instrument main body 11 when not in use, so that FIGS. The lid 21 can be covered while securing a relatively large volume space on the upper surface 12 side. Moreover, since the lid 21 can be formed as a molded product that depends on the overall shape of the measuring instrument main body 11, it is not necessary to produce it as a specially ordered product and can contribute to a reduction in product cost.
[0016]
The lid 21 is pivotally supported on the pivot 15 of the measuring instrument main body 11 via the pivot supporting hole 26 of the flexible hinge 25 and is also fixed to the projecting piece 18 of the measuring instrument main body 11. Since the engagement can be fixed through the locking hole 30 of the portion 29, the lid can be reliably carried and carried.
[0017]
Further, as a result of securing a necessary and sufficient space between the upper surface 12 of the measuring instrument main body 11 inside the lid body 21 when the lid is applied, the holding body is attached to the inner side surface 21a. Necessary accessories 34 can be stably stored via the member 31. This will be specifically described with reference to the illustrated example. Inside the lid 21, a pair of band members 32, 32 that can hold a pair of measurement probes 35, 35, which are one of the accessories 34, Since an appropriate holding member 31 composed of a storage bag material 33 or the like that can hold an instruction manual 38 that is another one of the accessories 34 is attached, necessary accessories including those other than the above are also included. The product 34 can be stored stably. Moreover, as a result of the pair of measurement probes 35, 35 being held in the lid body 21, the plug portion 37 included in the measurement probe 35 is inserted into and connected to a connection terminal (not shown) included in the upper surface 12 of the measuring instrument body 11. It can be carried in a wet state.
[0018]
On the other hand, when performing the measurement work, the engagement state between the projecting piece portion 18 of the measuring instrument main body 11 and the locking hole 30 of the flexible fastening portion 29 is canceled and the lid is opened as shown in FIG. An accessory 34 used directly in the measurement operation, for example, a pair of measurement probes 35, 35 can be taken out from the band member 32 that is the holding member 31. In addition, when the thin portion 25a is provided in the flexible hinge portion 25, the flexible hinge portion 25 can be easily flexibly deformed through the thin portion 25a, so that the opening operation is smoothly performed. It can be carried out.
[0019]
Further, the lid body 21 can be rotated 180 degrees through the shaft support hole 26 with the support shaft portion 15 of the measuring device main body 1 as the central axis. Therefore, for example, the lid 21 has the measuring instrument main body 1 so that the open end surface 23 abuts on the lower end surface 14b of the projecting portion 14 as shown in FIG. Under the state of being covered on the bottom surface 19 side, the seat height can be lowered and integrated with the measuring instrument main body 1 as compared with the case of the cover shown in FIG. In addition, in this case, the pair of measurement probes 35 and 35 can keep their respective plug portions 37 always connected to the connection terminal side of the measuring instrument main body 11, which contributes to simplification of the measurement work. be able to.
[0020]
Further, in the case where the shaft support hole 26 provided in the flexible hinge portion 25 is formed by the small diameter portion 27 and the large diameter portion 28 with the constricted portion 26a interposed, the position of the support shaft portion 15 of the measuring instrument main body 11 is determined. Since the head portion 17 can be smoothly passed from the large diameter portion 28 side by shifting to the large diameter portion 28 side, the lid 21 can be removed from the measuring instrument main body 11 very easily.
[0021]
【The invention's effect】
As described above, according to the present invention, when not in use, the lid can be covered while securing a relatively large capacity space on the upper surface side of the measuring instrument main body, The whole can be carried while being held in a stable state by the member. In addition, since the lid can be formed as a molded product depending on the overall shape of the measuring instrument main body, it is not necessary to dare to manufacture the lid as a custom-made product, thereby contributing to a reduction in product cost.
[0022]
Further, when performing the measurement work, after removing the accessories to be used directly, the lid body can be rotated 180 degrees with respect to the measuring instrument main body via the support shaft portion so as to cover the bottom surface side. Therefore, it is possible to immediately start the measurement operation with the overall thickness being comparatively thin while leaving the accessories that are not directly used for the measurement operation.
[0023]
Further, when the shaft support hole provided in the flexible hinge portion is formed of a small diameter portion and a large diameter portion that communicate with each other, the position of the support shaft portion of the measuring instrument body is shifted to the large diameter portion side. Thus, the top of the head can be smoothly passed from the large diameter portion side, so that the lid can be removed from the measuring instrument main body very easily.
[0024]
Furthermore, when the plug portion of the measurement probe is always connected to the connection terminal side of the measuring instrument main body and is held in the lid, it can contribute to simplification of the measurement work.
[Brief description of the drawings]
FIG. 1 is a front view showing an external configuration of an example of the present invention when not in use.
FIG. 2 is a rear view of the same.
FIG. 3 is a left side view showing a state when the lid is opened according to an example of the present invention.
FIG. 4 is a left side view showing an external configuration at the time of use of an example of the present invention.
FIG. 5 is an enlarged perspective view showing the positional relationship between the lid and the accessory.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 11 Measuring device main body 12 Upper surface 13 Outer side surface 14 Protrusion part 14a Upper end surface 14b Lower end surface 15 Support shaft part 16 Shaft main body part 17 Head top part 18 Projection part 18a Base part 18b Head part 19 Bottom face 21 Cover body 21a Inner side face 22 Open edge 23 Open end surface 24 Opening portion 25 Flexible hinge portion 25a Thin wall portion 26 Shaft support hole 27 Small diameter portion 28 Large diameter portion 29 Flexible fixing portion 30 Locking hole 31 Holding member 32 Band material 32a Hook side band piece 32b Leap side Band piece 33 Storage bag material 34 Accessories 35 Measurement probe 36 Cord part 37 Plug part 38 Instruction manual

Claims (4)

A measuring instrument main body having a protruding portion provided along the outer peripheral direction near the upper surface and capable of measuring insulation resistance and the like, and the upper and lower surfaces of the measuring instrument main body using the protruding portion as a stopper A lid that is formed so as to be freely closable in both directions with respect to the side, and the lid is a shaft that is suspended from a substantially central portion on one side of the open end edge that defines the opening. A protruding portion of the measuring instrument main body, comprising: a flexible hinge portion with a support hole; and a flexible fastening portion with a locking hole suspended from a substantially central portion on the other side opposite to the one side. The support shaft portion protruding from the corresponding portion of the measuring device is pivotally supported around the bottom surface side of the measuring device main body through the shaft supporting hole of the flexible hinge portion as a central axis. The engaging hole is freely engaged with the projecting piece projecting from the corresponding portion of the projecting portion. Measurement equipment for mobile. The portable measuring instrument according to claim 1, wherein a holding member is provided inside the lid so as to freely store various accessories required by the measuring instrument main body. The supporting shaft part of the measuring instrument main body is formed of a shaft main body part and a head part that is larger in diameter than the shaft main body part and attached to the protruding end thereof, and the flexible hinge part of the lid body has The shaft support hole is smaller in diameter than the top portion of the support shaft portion and larger in diameter than the shaft main body portion, and is provided with a small hole portion provided at a facing portion of the shaft main body portion and larger in diameter than the small hole portion. The portable measuring device according to claim 1, wherein the measuring device is formed with large holes communicating with each other. The accessory includes a measurement probe, and each measurement probe is housed and held in a lid body in a state in which each plug portion is separately connected to the connection terminal side of the measuring instrument main body. Item 2. The measuring instrument according to item 3 or 3.

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