JP4150188B2 - Casing structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
In the present invention, for example, a case body in which a measuring instrument is integrally formed so that a probe can be accommodated is formed. This is a technique related to a casing structure that is attached with a simple structure with improved convenience.
[0002]
[Prior art]
Various casing structures that can be safely stored without damaging or dissipating various articles have been proposed in the past.
[0003]
If such a casing structure is described in relation to a measuring instrument for measuring electrical characteristics, a first measuring instrument is housed in a case provided with an upper lid not having a probe accommodating portion. Integrated with the conventional type, the second conventional type in which the case body integrated with the measuring instrument and the upper lid not having the probe storage portion are detachably formed under a double hinge structure, and the measuring instrument There is a third conventional type in which an upper lid having a probe storage portion is detachably attached to a case body formed in the above.
[0004]
In this case, according to the first conventional type, since the measuring device is separate from the case, there is an advantage that the size can be reduced without being restricted by the size of the case. According to the second and third conventional types, There was an advantage that the upper lid could be removed.
[0005]
Among these, the third conventional type casing structure is common with the present invention in that the probe can be accommodated. For example, as shown in FIG. 6, the probe is accommodated in the case body 1 formed integrally with the measuring instrument 2. An upper lid 3 having a portion 4 is detachably attached to form the whole.
[0006]
[Problems to be solved by the invention]
However, in the case of the casing structure shown in FIG. 6, since the probe storage portion 4 is formed using the inner surface of the upper lid 3, the cord 6 of the probe 5 must be always fixed by the belt 7. There was an inconvenience that it was bad.
[0007]
In addition, although the upper lid 3 can be removed from the case main body 1, it must be placed beside the measurement main body as a separate body from the case main body 1, and there is a problem that hinders the work.
[0008]
Further, the upper lid 3 needs to be formed using a soft material different from that of the case main body 1 and has a relatively complicated structure, which increases the product cost.
[0009]
In view of the conventional casing structure, the present invention provides a favorable finish when the upper lid is opened, and can easily store various items such as probes, and also simplifies the structure and is effective in reducing costs. An object of the present invention is to provide a versatile casing structure that can contribute to the above.
[0010]
[Means for Solving the Problems]
The present invention has been made to achieve the above object, and has a case main body having an article storage portion having an upper surface opened at least in part and having a substantially square planar shape, and the case main body. It is composed of an upper lid that is rotatably supported on one side plate portion and the other side plate portion facing each other and is disposed so as to be able to cover the upper surface, and is divided into two parts vertically and combined. The case main body is composed of a vertical groove portion and a horizontal groove portion, and the start end and the end end of the case main body are closed ends, and the upper lid wraps around until the inner surface of the case body faces the outer surface of the bottom plate portion of the case main body. A guide groove to be moved is provided on each outer side surface of the one side plate portion and the other side plate portion at the combination boundary position, and the upper lid includes a peripheral side plate portion that comes into contact with the case body side when the lid is applied , A pair of supports provided on the peripheral side plate Movement along the corresponding guide groove via a shaft-like part provided separately on the inside thereof, and the support arm when the shaft-like part is in a substantially boundary region between the vertical groove part and the horizontal groove part There is a structural feature in that the portion side is brought into contact with and supported by the casing mounting surface and the position state is maintained and attached to the case body.
[0011]
In this case, the case main body is provided with a small protrusion in the guide groove that the shaft-like portion should get over when the upper lid finishes wraparound movement, and when the upper lid is completely laid after finishing the wraparound movement Preferably, the bottom plate portion is provided with a locking portion that can freely engage with an end portion located on the distal end side. In addition, at this time, a click sound can be generated between the upper lid and the upper lid when the upper lid is completely laid in the case main body through the small protrusions and the locking portion provided in the case main body. It is desirable to keep it.
[0012]
Further, the case main body includes at least a measuring instrument integrally provided with a rotary switch having a stagnation part protruding from the upper surface in a region excluding the article storage part so as to freely measure electrical characteristics, The upper lid may be formed with a recessed portion on its inner surface that prevents contact as long as the stagnation portion is in a predetermined position.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 to FIG. 4 are explanatory views showing an example when the casing structure according to the present invention is applied to a measuring instrument for measuring electrical characteristics, of which FIG. 1 is an overall perspective view when fully opened. 2 is an enlarged view of the main part in FIG. 1, FIG. 3 is an overall perspective view when the cover is completely closed, and FIG. 4 is an overall perspective view when the cover is halfway open.
[0014]
According to these drawings, the entire case body 11 having a substantially rectangular planar shape of an appropriate size formed by using, for example, the same insulating synthetic resin material, and the like, and the case body 11 And an upper lid 41 that can be applied to the upper surface 12 side.
[0015]
Among these, the case main body 11 that is divided into two parts in the vertical direction is combined with a measuring instrument 22 that is integrally disposed on a region side that occupies a substantially first half portion of the bottom plate portion 13 that has a substantially rectangular shape. It is formed by a peripheral wall portion 32 erected on the remaining side edge of the bottom plate portion 13 integrally with the left and right side surfaces 23.
[0016]
For this reason, in the case main body 11, an article storage portion 33 that is partitioned and formed by the bottom plate portion 13, the measuring device 22, and the peripheral wall portion 32 and whose upper surface is opened is formed in the rear region of the measuring device 22. Become.
[0017]
In this case, the measuring device 22 is provided with a display unit 24 made of an LCD or the like and various operation buttons 25 in an arrangement relationship that is substantially the same height as the surface height of the upper surface 12. A rotary switch 26 and the like having a knurled portion 27 that is linearly projected from the surface 12 in the surface direction. Note that reference numeral 29 in FIG. 3 indicates, for example, two insertion portions provided in the flat portion 28 formed in the measuring instrument 22 with a step between the portion facing the article storage portion 33. Yes, by inserting a plug 62 having a substantially L shape into the insertion portion 29, appropriate measurement can be performed using the probe 61 connected to the plug 62.
[0018]
Further, in the case main body 11, the surrounding wall surface 14 is formed on the side edge of the bottom plate portion 12 by the side surface 23 of the measuring instrument 22 and the peripheral wall portion 32, and as a result, the case main body 11 is positioned on the left and right in the illustrated example. The side plate portion 15 and the other side plate portion 16 are secured. In addition, the surrounding wall surface 14 of the case body 11 is provided with a contact portion 14a for supporting the upper lid 41 when the lid is applied with a step on the upper side thereof.
[0019]
Furthermore, on the outer side surface of the one side plate portion 15 and the other side plate portion 16 at the combination boundary position of the case main body 11 which is divided into two parts in the vertical direction, the upper lid 41 is provided on the outer side surface thereof, and the inner side surface 43 is the bottom plate portion 13 in the case main body 11. As shown in FIGS. 1 to 4, the guide groove 17 that can be moved around to the position facing the outer side surface (outer bottom surface) of each of the first and second ends is a closed end. Is formed.
[0020]
If this is demonstrated about the other side board part 16 shown in FIG. 1, the guide groove 17 will be the vertical groove part 17a recessedly provided in the back end 16a side of the other side board part 16, and the front end 16b side from the lower end side of this vertical groove part 17a. The horizontal groove portion 17b that is recessed to the vicinity thereof is formed so as to communicate with each other. In addition, although illustration is abbreviate | omitted, the guide groove is formed also on the side of the one side board part 15 on the basis of the same positional relationship.
[0021]
On the other hand, the upper lid 41 is rotatably supported on the side plate portion 15 and the other side plate portion 16 facing each other in the case body 11 so as to be able to cover the upper surface 12. Yes.
[0022]
That is, the top cover 41 includes a top plate portion 42 having an area sufficient to fully cover the upper surface 12 of the case body 11, provided in the circumference wall surface 14 of the case body 11 is vertically provided from the peripheral portion 43 of the top plate portion 42 The contact part 14a and the peripheral side board part 47 which contact | abut at the time of the lid | cover are provided.
[0023]
In addition, the peripheral side plate portion 47 includes a pair of support arm portions 48 and 48 that project the rear portions on both the left and right sides slightly outward, and the inner surface of each of the support arm portions 48 includes: Shaft-like shaft portions 50 that are capable of sneaking and moving in each of the guide groove portion of the one side plate portion 15 and the guide groove 17 of the other side plate portion 16 are provided so as to protrude from each other.
[0024]
In this case, when the lid 41 is in the lid opening developing as shown in FIG. 4, the specific shape with respect to said supporting arm portion 48 so as to maintain the state is formed by applying through the support arm portion 48 Yes .
[0025]
FIG. 5 is a partially enlarged view of an encircled region indicated by a one-dot chain line in FIG. According to the figure, the support arm portion 48 is formed with a tip portion 49 having a substantially triangular shape that tapers toward the shaft-like portion 50. Moreover, the tip portion 49 and the shaft-like portion 50 are arranged such that when the shaft-like portion 50 is in a substantially boundary region between the vertical groove portion 17a and the horizontal groove portion 17b in the guide groove 17, the abutment portion 49a thereof contacts the casing mounting surface 65. Are formed in an arrangement relationship in which the two come into contact with each other. In addition, the small black dots shown in two places in FIG. 5 indicate the fulcrum positions on the upper lid 41 side at that time.
[0026]
Further, the upper lid 41 has a rubbing portion at the time of covering as long as the rubbing portion 27 of the rotary switch 26 is in an OFF state, for example, and its length direction is located on the left and right. 27 is formed on the inner side surface 44 of the top plate portion 42 so as to avoid contact with the upper plate portion 42.
[0027]
Furthermore, the inner side surface 44 of the top plate portion 42 on the side where the support arm portion 48 is located can smooth the wraparound movement on the upper lid 41 side with respect to the case body 11 and can increase the volume of the article storage portion 33. A recess 46 is formed.
[0028]
In addition, the case main body 11 and the upper lid 41 are completely opened after the wrapping movement of the upper lid 41 to the position where the inner side surface 44 of the case main body faces the outer side surface (outer bottom surface) of the bottom plate portion 13 in the case main body 11 is completed. It is formed so that click sound can be generated sometimes.
[0029]
That is, the case main body 11 has a small protrusion perpendicular to the length direction on the lower side surface of the one side plate portion 15 that defines a horizontal groove portion (not shown) on the other side plate portion 16 and is shown in detail in FIG. As shown in the drawing, small protrusions 18 that are orthogonal to the length direction are provided on the lower side surface 19 that defines the horizontal groove portion 17b.
[0030]
Moreover, the small projections (not shown) of the one side plate portion 15 and the small projections 18 of the other side plate portion 16 are formed at predetermined positions where the shaft-like portion 50 should get over when the upper lid 41 finishes moving around.
[0031]
Further, the end portion of the peripheral side plate portion 47 that is positioned on the front end side when the upper lid 41 finishes its wraparound movement and is completely laid on the bottom plate portion 13 of the case body 11 (when fully opened). The latching | locking part 20 which can be freely engaged with 47a is arrange | positioned separately by the right-and-left by the front end 13a side.
[0032]
Further, in order to ensure the covering state when the cover is completely closed as shown in FIG. 3, a hooking projection 21 is provided on the front side of the case body 11, and a hooking claw piece is provided on the front side of the upper cover 41. 52 are respectively arranged.
[0033]
Next, the operation and effect of the present invention having the above configuration will be described below with reference to the illustrated example.
[0034]
That is, at the time of the complete cover shown in FIG. 3 where the hooking protrusion 21 and the hooking claw piece 52 are engaged with each other, the knurled portion 27 of the rotary switch 26 is moved through the recessed portion 45 of the upper lid 41. The lid is applied under the condition of being positioned at a predetermined position.
[0035]
Further, in this case, the stagnation portion 27 is in a position slightly deviated from the predetermined position and is automatically corrected in position by abutting with the concave portion 45 side of the upper lid 41 when the lid is applied, and is forced to the predetermined position. The lid can be applied after being positioned.
[0036]
Further, when the stagnation part 27 is greatly deviated from the predetermined position, the upper cover 41 cannot contact the stagnation part 27 and cannot be applied, so that the rotary switch 26 is not in an OFF state, for example. It is possible to prompt the measurement operator to reconfirm the position of the rotary switch 26.
[0037]
Moreover, since the probe 71 can be stored in the article storage portion 33 with the plug 62 side inserted into the insertion portion 29, measurement can be started simultaneously with opening the lid.
[0038]
After releasing the engagement state between the latching protrusion 21 and the latching claw piece 52 and opening the upper lid 41, the shaft-like portion 50 is first lowered along the vertical groove portion 17 a of the guide groove 17. The opening angle of the upper lid 41 can be gradually increased, and when the state shown in FIG. 4 is reached, the contact portion 49 of the distal end portion 49 of the support arm portion 48 comes into contact with the casing mounting surface 65 and this state is changed. Can be maintained. Therefore, if necessary, measurement work can be started under the state shown in FIG.
[0039]
On the other hand, when the upper lid 41 is completely opened so as not to interfere with the measurement work, the upper lid 41 is opened until the upper lid 41 is in a horizontal state, and then the shaft-like portion 50 is aligned with the horizontal groove portion 17b of the guide groove 17. And move it forward.
[0040]
Thereby, the upper lid 41 can be moved around in a positional relationship in which the inner side surface 44 faces the outer side surface (outer bottom surface) of the bottom plate portion 13 of the case body 11.
[0041]
Moreover, the case main body 11 and the upper lid 41 are formed such that the shaft-like portion 50 gets over the small protrusion 18 while the inner side surface 44 of the case main body 11 faces the outer side surface (outer bottom surface) of the bottom plate portion 13 in the case main body 11. Since the click sound is generated between the end portions 47a of the peripheral side plate portions 47 of the 41 engaging with the respective locking portions 20, the measurement operator can easily confirm that the upper lid 41 is in the fully opened state. Can know.
[0042]
In addition, since the upper lid 41 is in a completely open state without rattling when it is laid on the case body 11 side, the measurement operation can be smoothly performed without being obstructed by the presence of the upper lid 41.
[0043]
Furthermore, since the upper lid 41 can be attached to the case body 11 made of the same material via the shaft-like portion 50, the upper lid 41 can be improved when the lid is opened. In addition, the upper lid 41 can be strengthened by the reinforcing function provided by the recessed portions 45 and 46. Furthermore, as a whole, various articles such as the probe 61 can be easily accommodated, and the structure can be made simple and does not particularly require another article such as a hinge, thereby effectively contributing to cost reduction. it can.
[0044]
The embodiment of the present invention has been described with reference to the illustrated example, and the specific embodiment is not limited to this. For example, the case main body is of a general-purpose type that is provided for various uses and is provided with at least a part of an article storage portion having an open upper surface without including an integrally formed measuring instrument. May be. Further, without providing the small protrusions 18 and the locking portions 20, the upper lid can be simply laid on the case body to be in the fully opened state. Furthermore, even if the case main body 11 is provided with the measuring device 22 integrally formed as in the illustrated example, for example, the locking portions 20 can be provided at one place or at three or more places as desired. .
[0045]
Although the present invention has been described and illustrated in detail as described above, it is merely illustrative and does not limit the technical scope of the present invention. Various modifications that can be conceived by those skilled in the art can be made to the above-described embodiments without departing from the present invention.
[0046]
【The invention's effect】
As described above, according to the present invention, the upper lid can be easily finished when the lid is opened, and various articles such as probes can be easily stored, and the structure can be simplified to reduce costs. Can contribute. Further, the upper lid can be attached to the case main body side so as to be openable by preventing the detachment by sliding the shaft-like portion in a guide groove having a starting end and a terminal end as closed ends. In addition, when the shaft-like portion is in a substantially boundary region between the vertical groove portion and the horizontal groove portion in the guide groove, the upper cover side is brought into contact with and supported by the casing mounting surface to maintain its position state. Therefore, the measurement operation can be started even when the cover is not fully opened.
[0047]
In particular, if the case body includes at least a measuring instrument that is integrally provided with a rotary switch having a stagnation part, the rotary switch is in a predetermined position due to the relationship between the stagnation part and the concave part of the upper lid when the lid is applied. It can be easily confirmed whether or not it exists.
[0048]
Further, when the case main body is formed with a small protrusion and a locking portion, a click sound can be generated between the upper lid when the upper lid is completely laid after finishing the wraparound movement. Therefore, it can be easily known that the cover is completely open without rattling.
[Brief description of the drawings]
FIG. 1 is an overall perspective view showing an example of the present invention in a fully opened state.
FIG. 2 is an enlarged perspective view of a main part in FIG.
3 is an overall perspective view showing the example shown in FIG. 1 under a completely covered state. FIG.
4 is an overall perspective view showing the example shown in FIG.
5 is a partially enlarged view of an encircled region indicated by a one-dot chain line in FIG. 4;
FIG. 6 is an overall perspective view showing a conventional example with the cover open.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 11 Case main body 12 Upper surface 13 Bottom plate part 13a Front end 14 Surrounding wall surface 15 One side plate part 16 Other side plate part 16a Deep end 16b Front end 17 Guide groove 17a Vertical groove part 17b Horizontal groove part 18 Small protrusion 19 Lower side surface 20 Locking part 21 Locking protrusion DESCRIPTION OF SYMBOLS 22 Measuring device 23 Side surface 24 Display part 25 Operation button 26 Rotary switch 27 Rubbing part 28 Flat part 29 Insertion part 32 Perimeter wall part 33 Article storage part 41 Top cover 42 Top plate part 43 Peripheral part 44 Inner side surface 45,46 Recessed part 47 Circumference Side plate portion 47a End portion 48 Supporting arm portion 49 Tip portion 49a Abutting portion 50 Shaft portion 52 Claw piece for latch 61 Probe 62 Plug 63 Casing mounting surface

Claims (4)

A case main body having an article storage portion with an upper surface opened at least in part and having a substantially rectangular planar shape, and a side plate portion and a side plate portion facing each other in the case main body is rotatably supported is composed of a top cover which is arranged to be the lidding to the top surface,
The case main body, which is divided into two parts in the vertical direction, is composed of a vertical groove part and a horizontal groove part, and its start and end are closed ends, and the inner surface is the outer surface of the bottom plate part of the case body. A guide groove that wraps around and moves to the facing position is provided on each outer side surface of the one side plate portion and the other side plate portion at the combination boundary position ,
The upper cover includes a peripheral side plate portion that comes into contact with the case body side when the upper cover is applied, and a pair of support arm portions provided on the peripheral side plate portion correspond to each other via a shaft-shaped portion separately provided on the inside thereof. Movement along the groove, and maintaining the position state by abutting and supporting the support arm side to the casing mounting surface when the shaft-like portion is in a substantially boundary region between the vertical groove portion and the horizontal groove portion. A casing structure characterized by being attached to the case main body freely .   The case main body is provided with a small protrusion in the guide groove that the shaft-like portion should get over when the upper lid finishes wrapping movement, and when the upper lid finishes the wrapping movement and is completely laid, The casing structure according to claim 1, wherein a locking portion that is freely engageable with an end portion located on the bottom plate portion is disposed on the bottom plate portion.   The click sound can be generated between the upper lid and the upper lid when the upper lid is completely laid on the case main body through the small protrusions and the locking portion provided in the case main body. Casing structure as described in. The case main body includes at least a measuring instrument integrally formed so as to freely measure electrical characteristics, including a rotary switch having a stagnation portion protruding from the upper surface in a region excluding the article storage portion,
The casing structure according to any one of claims 1 to 3, wherein the upper lid is provided with a recessed portion on its inner surface so as to avoid contact as long as the stagnation portion exists at a predetermined position.

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