JP2006032292A - Lid-applying structure for cylindrical body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lid-applying structure for a cylindrical body giving functionality with a wide application range to a lid body, of which, lid-opening operation and lid-closing operation are discernable at a glance. <P>SOLUTION: The lid-applying structure is constituted of a cylindrical body 13 made by providing an opening part 6 at least at one end side 15 continuing from a main body part, and a lid body 33 applying the lid to the opening part 16 side of the cylindrical body 13 in free attachment and detachment. The lid body 33 is formed by providing a pin guide hole 39 at a facing site consisting of a long hole part 40 and a wide hole part 41 allowing introduction of a guide pin 18 set in protrusion on an outer periphery face of the one end 15 of the cylindrical body 13 and guiding it at the lid-applying operation, and the difficulty of opening lid is made free by arranging a guide pin 18 at the wide hole part 41. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a cylindrical body that can be easily and reliably covered with a lid on the opening side of the cylindrical body constituting devices such as various battery devices including a voltage detector. This is a technique related to the lid structure.

  Cylindrical bodies that make up various types of battery equipment, including voltage detectors, can be covered with a lid to prevent the internal battery from falling off, such as to prevent the internal battery from falling off. It is like that.

FIG. 6 is a perspective view showing an example of a conventional structure between the cylindrical body and the lid, in which (a) shows an open state and (b) shows a covered state. According to this, the cylindrical body 1 is provided with an appropriate detection portion 2 at the distal end portion thereof and a male screw portion 3 at the peripheral surface of the proximal end portion, and can accommodate a dry battery (not shown) therein. It is like that. Moreover, the opening part 4 located in the base end part side can be freely attached or detached by screwing the cover body 5 provided with the female screw part 6. Further, this type of lid structure is also disclosed in, for example, Patent Document 1 below.
JP 10-32001 A

  However, the lid structure shown in FIG. 6 and Patent Document 1 has a disadvantage that it is structurally difficult and its application range is narrow even if an additional function such as a switch function is provided on the lid side. there were.

  In addition, it is difficult to determine whether the lid structure is a fitting structure or a screwed structure at first glance, and the lid opening method is clearly specified in advance so that the user does not make a mistake. There was a need.

  SUMMARY OF THE INVENTION In view of the above-mentioned problems of the prior art, the present invention provides a lid structure for a cylindrical body that gives a wide range of functionality to the lid and at the same time knows its opening operation and lid operation. The purpose is to provide.

  The present invention has been made to achieve the above object, and the invention according to claim 1 includes a cylindrical body having an opening at least on one end side following the main body, and the cylindrical body. The lid is configured to detachably cover the opening side. The lid allows introduction of a guide pin protruding from the outer peripheral surface of the one end of the cylindrical body, and guides the lid when operating the lid. The pin introduction hole consisting of a vertical hole portion and a horizontal hole portion is formed in the facing portion, and the guide pin is positioned in the horizontal hole portion, so that it is possible to freely open the lid that is difficult to open. Main features.

  Further, the one end portion of the cylindrical body in the invention according to claim 1 has an outer diameter larger than the outer diameter on the main body portion side, and forms a substantially lower half outer peripheral surface of the one end portion. And a small-diameter portion having an outer diameter smaller than the outer diameter of the main body portion and forming a substantially upper half outer peripheral surface of the one end portion through a step, and the lid body has a top plate The upper peripheral wall portion positioned closer to the portion has a small-diameter inner peripheral surface that allows introduction of the small-diameter portion of the cylindrical body, and the lower peripheral wall portion positioned below the upper peripheral wall portion is the introduction of the large-diameter portion of the cylindrical body. The guide pin protrudes from the outer peripheral surface of the large-diameter portion of the cylindrical body, and the pin introduction hole is formed on the lid body with the large-diameter inner peripheral surface. Can be formed on the lower peripheral wall portion where is located.

  Furthermore, the cylindrical body in the invention according to claim 2 is configured such that the main body portion that is freely formed to accommodate one or more batteries and the small diameter portion side of the one end portion located immediately above the guide pin are arranged on the side of the battery. A contact fitting that freely protrudes from and coming into contact with one of the poles, and a lateral groove portion having recesses at the left end and the right end provided in a partial region in the circumferential direction of the large diameter portion located directly below the guide pin And a vertical groove formed in the vicinity of the concave portion at the right end of the horizontal groove, and the lid body has the guide pin until the small-diameter portion of the cylindrical body reaches the small-diameter inner peripheral surface when the lid is applied. A first vertical hole portion for introducing a guide pin, a first horizontal hole portion that is continuous with the first vertical hole portion to allow lateral movement of the guide pin, and a guide that is continuous with the first horizontal hole portion. A second vertical hole allowing the pin to move downward, and a lateral movement of the guide pin continuously with the second vertical hole. A pin introducing hole comprising a second lateral hole portion, a protrusion provided in the vicinity of an open edge located substantially in the middle of the second lateral hole portion on the inner surface of the lower peripheral wall portion, and the top plate A conductive metal piece extending from the inner side surface of the portion toward the terminal end side of the second lateral hole portion of the upper peripheral wall portion of the peripheral wall portion, and the guide pin of the cylindrical body of the lid body The projection guided by the vertical groove portion of the cylindrical body from the first vertical hole portion to the first horizontal hole portion is located on the main body portion side, and the guide pin is a lower end of the second vertical hole portion. The protrusion is introduced into the recess at the right end of the lateral groove portion, and the protrusion is introduced into the recess at the left end of the lateral groove portion when the contact is reached. The metal fitting may come into contact with the conductive metal piece.

  The horizontal groove portion and the vertical groove portion in the cylindrical body according to the invention according to claim 3 are formed at two positions whose positional relationship is shifted by 180 degrees, and the pin introduction hole and the protrusion in the lid body corresponding to this are formed. Are preferably formed at two positions whose positional relationship is shifted by 180 degrees.

  According to the first aspect of the present invention, it can be seen that the guide pin of the cylindrical body is simply guided to the pin introduction hole composed of the vertical hole portion and the horizontal hole portion and fed at a glance. Anyone can easily perform the lid covering operation and the lid opening operation without making a mistake.

  According to the invention of claim 2, the one end portion of the cylindrical body is formed by a large diameter portion projecting the guide pin and a small diameter portion subsequent thereto, and the lid body is formed by the small diameter portion of the cylindrical body. Since it is formed with a small-diameter inner peripheral surface that permits the introduction of the portion and a large-diameter inner peripheral surface that allows the introduction of the large-diameter portion and the pin introduction hole is located, the movement changes to the lid side with respect to the cylindrical body Accordingly, the application range in terms of functions can be widened.

  On the other hand, according to the invention according to claim 3, the cylindrical body includes a contact fitting used in relation to one of the poles of the battery, a lateral groove portion having a recess at the left end and the right end, and a right end of the lateral groove portion. A vertical groove portion formed in the vicinity of the recess, and the lid body includes a first vertical hole portion into which the guide pin is introduced, a first horizontal hole portion, a second vertical hole portion, and a second horizontal hole portion. Since it includes the pin introduction hole formed of a hole, a protrusion provided in the vicinity of the open edge located approximately in the middle of the second lateral hole, and a conductive metal piece in contact with one of the electrodes of the battery A switch mechanism can be provided in which the contact metal fitting and the conductive metal piece contact when the protrusion reaches the concave portion at the left end.

  Furthermore, according to the invention which concerns on Claim 4, in the two places which shifted the said horizontal groove part and the said vertical groove part in the cylindrical body 180 degree | times, the two places which shifted the said pin introduction hole and the said protrusion in the cover body 180 degree | times Therefore, the positions of the two are fixed at two points, and the cover can be made more stable.

  FIG. 1 is an essential part enlarged perspective view showing an example of the present invention in an opened state, and FIG. 2 is an essential part enlarged perspective view showing the positional relationship of the example of FIG. FIG. 3 is an overall view showing the case where the present invention is applied to a voltage detector, in which (a) is a front view and (b) is a cross section in the direction of arrows A-A in (a). Each figure is shown.

  According to these figures, the cylindrical body 13 constituting the voltage detector 12 that is one of the battery devices 11 is a main body that can freely accommodate one or more appropriate types of batteries 50 such as two dry batteries. The opening portion 16 is provided on the side of the portion 14 and the one end portion 15 subsequent thereto, and the opening portion 16 can be detachably covered by a lid 33.

  The lid 33 permits the introduction of the guide pin 18 projecting from the outer peripheral surface of the one end 15 of the cylindrical body 13 and introduces a pin composed of a vertical hole 35 and a horizontal hole 36 to be guided during the lid operation. The hole 34 is formed in the facing part, so that the guide pin 18 can be positioned in the lateral hole portion 36 and can be covered with difficulty in opening.

  In this case, the one end portion 15 of the cylindrical body 13 has an outer diameter larger than the outer diameter on the main body portion 14 side, and forms a substantially lower half outer peripheral surface of the one end portion 15; The small-diameter portion 23 has an outer diameter smaller than the outer diameter of the main body portion 14 and forms a substantially upper half outer peripheral surface of the one end portion 15.

  Further, the lid 33 has a small-diameter inner peripheral surface 36 in which the upper peripheral wall portion 35 located near the top plate portion 34 allows introduction of the small-diameter portion 23 of the cylindrical body 13, and is positioned below the upper peripheral wall portion 35. The lower peripheral wall portion 37 is formed with a large-diameter inner peripheral surface 38 that allows introduction of the large-diameter portion 17 of the cylindrical body 13.

  The guide pin 18 projects from the outer peripheral surface of the large-diameter portion 17 of the cylindrical body 13, and the pin introduction hole 39 is formed in the lower peripheral wall portion 37 where the large-diameter inner peripheral surface 38 is located in the lid 33. ing.

  More specifically, the cylindrical body 13 has a battery 14 on the side of the small diameter portion 23 of the main body portion 14 that is freely formed to accommodate one or more batteries 50 and the one end portion 15 located immediately above the guide pin 18. 50 is a portion in the circumferential direction of a contact fitting 25 that protrudes through a notch window 24 so as to be freely connected to and separated from the plus pole 51 that is one of the 50 poles, and the large-diameter portion 17 that is positioned directly below the guide pin 18. The horizontal groove part 19 which has the recessed parts 20 and 21 in the left end and right end provided in the target part, and the vertical groove part 22 formed in the recessed part 21 vicinity of the right end of this horizontal groove part 19 are provided at least.

  The lid 33 includes a first vertical hole 40a in the vertical hole 40 into which the guide pin 18 is introduced until the small-diameter portion 23 of the cylindrical body 13 reaches the small-diameter inner peripheral surface 36 when the lid is applied. The first horizontal hole portion 41a in the horizontal hole portion 41 allowing the lateral movement of the guide pin 18 continuously with the one vertical hole portion 40a, and the downward movement of the guide pin 18 continuously with the first horizontal hole portion 41a. From the second vertical hole portion 40b in the vertical hole portion 40 allowing the horizontal movement of the guide pin 18 in a continuous manner with the second vertical hole portion 40b. A pin introduction hole 39 is provided.

  In addition, the lid 33 includes a protrusion 43 provided in the vicinity of the open edge 42 located approximately in the middle of the second lateral hole portion 40 b on the inner surface of the lower peripheral wall portion 37, and the upper peripheral wall from the inner surface of the top plate portion 34. And a conductive metal piece 44 having a substantially U-shape extending toward the terminal end of each second lateral hole portion 40b of the portion 35.

  FIG. 4 is a perspective view illustrating a specific shape of the conductive metal piece 44, a main body 44 a that spans the central portion of the inner surface of the top plate 34 and contacts the positive electrode 51 of the battery 50, and a lid. The upper end wall portion 35 of the body 33 is bent along the small-diameter inner peripheral surface 36, and one of the bent end portions 44 b is arranged to freely contact the contact fitting 25. .

  In addition, the horizontal groove portion 19 and the vertical groove portion 22 in the cylindrical body 13 are formed at two positions whose positional relationships are shifted by 180 degrees, and the pin introduction hole 39 and the protrusion 43 in the lid body 33 correspond to this. , The positional relationship is formed at two positions shifted by 180 degrees. In addition, the code | symbol 45 in a figure shows the mark which shows the positional relationship of the cover body 33 at the time of the lid | cover with respect to the cylindrical body 13. FIG. Further, if necessary, each of the lateral groove portion 19 and the longitudinal groove portion 22 in the cylindrical body 13 and the pin introduction hole 39 and the protrusion 43 in the lid body 33 can be provided in one place.

  Next, the operation and effect of the present invention having the above-described configuration will be described while following a series of movements from the covered state shown in FIGS. 5 (a) to 5 (e) to the opened state. FIG. 5A shows a conductive metal fitting provided in the lid 33 as shown in FIGS. 3B and 4 in a state of covering the opening on the one end 15 side of the cylindrical body 13. The state in which the piece 44 is in contact with both the positive electrode 51 of the battery 50 and the contact fitting 25 provided in the cylindrical body 13, that is, the guide pin 18 of the cylindrical body 13 is the second lateral hole portion 41 b in the pin introduction hole 39. The projection 43 of the lid 33 is located on the terminal end side of the cylindrical body 13 and enters the concave portion 21 at the right end of the lateral groove portion 19 of the cylindrical body 13. At this time, the lid 33 performs a switching function for turning on the circuit.

  FIG. 5B shows that the guide pin 18 of the cylindrical body 13 is positioned on the start end side of the second horizontal hole portion 41 b in the pin introduction hole 39, and the protrusion 43 of the lid body 33 is the left end of the horizontal groove portion 19 of the cylindrical body 13. The state which entered into the recessed part 20 is shown. At this time, the lid 33 performs a switching function for turning the circuit off.

  5C, the guide pin 18 of the cylindrical body 13 is positioned on the upper end side of the second vertical hole portion 40b in the pin introduction hole 39, and the protrusion 43 of the lid body 33 is the left end of the lateral groove portion 19 of the cylindrical body 13. It is shown that the large-diameter portion 17 is detached from the concave portion 20 toward the main body portion 14 side. At this time, the lid 33 is in a cover state in which it is difficult to open the lid.

  5D, the guide pin 18 of the cylindrical body 13 is positioned on the terminal side of the first vertical hole portion 40a in the pin introduction hole 39, and the protrusion 43 of the lid body 33 faces the vertical groove portion 22 of the cylindrical body 13. The state in the position to perform is shown. At this time, the guide pin 18 of the cylindrical body 13 faces the start end side of the first vertical hole portion 40 a of the lid body 33, and the protrusion 43 can enter the vertical groove portion 22 of the cylindrical body 13.

  FIG. 5E shows the positional relationship between the guide pin 18 and the first vertical hole portion 40a when the lid 33 is pulled upward under the state shown in FIG. The positional relationship between the groove 22 and the protrusion 43 of the lid 33 is shown. At this time, the lid 33 can be opened while being smoothly separated from the cylindrical body 13 side. The guide pin 18 is introduced into the pin introduction hole 39 by following the reverse procedure to the above, so that the lid by the lid 33 and the switch operation can be performed.

  That is, the protrusion 43 guided by the vertical groove portion 22 of the cylindrical body 13 is formed in the main body portion while the guide pin 18 of the cylindrical body 13 extends from the first vertical hole portion 40a of the lid body 33 to the first horizontal hole portion a. When the guide pin 18 reaches the lower end of the second vertical hole portion 40b, the protrusion 43 is introduced into the concave portion 21 at the right end of the horizontal groove portion 19 and reaches the end of the second horizontal hole portion 41b. At this time, the protrusion 43 is introduced into the concave portion 20 at the left end of the lateral groove portion 19, and at the same time, the contact metal fitting 25 comes into contact with the conductive metal piece 44, thereby energizing.

  The above is the description of the present invention based on the illustrated examples, and the specific technical scope is not limited thereto. For example, the pin introduction hole 39 of the lid 33 is formed in the opposite direction to the illustrated example, and the corresponding components are also arranged in the opposite direction, so that the lid is operated counterclockwise to open and close the lid. It may be to be able to. Further, the contact / separation relationship between the contact metal fitting 25 and the conductive metal piece 44 is such that the position of the longitudinal groove portion 22 on the cylindrical body 13 side and the position of the pin introduction hole 39 on the lid body 33 side are opposite to those in the illustrated example. The protrusion 43 is introduced from the left end recess 20 of the lateral groove 19 into the right end recess 21, and at the same time, the contact metal fitting 25 comes into contact with the conductive metal piece 44 and can be in an energized state.

  The above description is an example in which the present invention is applied to a voltage detector. However, the application device of the present invention is not limited to this, and a battery is built in the main body and the lid is formed. The present invention can be applied as a cover structure for a cylindrical body constituting various battery devices including a measuring instrument provided with a switch function.

The principal part expansion perspective view which shows an example of this invention under a cover open state. The principal part expansion perspective view which shows the positional relationship a little in the example shown in FIG. BRIEF DESCRIPTION OF THE DRAWINGS It is a general view which shows the case where this invention is applied to a voltage detector, Among them, (a) shows a front view, (b) shows sectional drawing in the AA arrow direction in (a), respectively. The perspective view which illustrated the specific shape of the electrically-conductive metal piece. Explanatory drawing which shows a series of motion from a cover state to an open state as an example in the electric detector shown in FIG. 3 as (a)-(e). It is a perspective view which shows the example of a prior art structure between an above-described cylindrical body and a cover body, (a) of them shows an open state, (b) shows a cover state.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 Battery equipment 12 Electric detector 13 Cylindrical body 14 Main-body part 15 One end part 16 Opening part 17 Large diameter part 18 Guide pin 19 Lateral groove part 20, 21 Concave part 22 Vertical groove part 23 Small diameter part 24 Notch window 25 Contact metal fitting 33 Cover body 34 Top plate Portion 35 Upper peripheral wall portion 36 Small inner peripheral surface 37 Lower peripheral wall portion 38 Large inner peripheral surface 39 Pin introduction hole 40 Vertical hole portion 40a First vertical hole portion 40b Second vertical hole portion 41 Horizontal hole portion 41a First Side hole portion 41b second side hole portion 42 open edge 43 protrusion 44 conductive metal piece 44a body portion 44b bent end portion 50 battery 51 positive electrode

Claims (4)

It is composed of a cylindrical body provided with an opening on at least one end side following the main body, and a lid that detachably covers the opening side of the cylindrical body,
The lid body allows the introduction of a guide pin protruding from the outer peripheral surface of the one end portion of the cylindrical body, and has a pin introduction hole composed of a vertical hole portion and a horizontal hole portion that are guided during the lid operation. A lid structure for a cylindrical body, wherein the lid is formed by being provided at a site, and the lid is difficult to open by positioning the guide pin in the lateral hole. The one end portion of the cylindrical body has an outer diameter larger than the outer diameter on the main body portion side and forms a substantially lower half outer peripheral surface of the one end portion; and an outer diameter of the main body portion A small-diameter portion having a smaller outer diameter and forming a substantially upper half outer peripheral surface of the one end portion through a step,
The cover body has a small-diameter inner peripheral surface that allows the introduction of the small-diameter portion of the cylindrical body at the upper peripheral wall portion located near the top plate portion, and the lower peripheral wall portion located below the upper peripheral wall portion is a cylinder. Formed with a large diameter inner circumferential surface allowing the introduction of the large diameter part of the body,
The guide pin protrudes from the outer peripheral surface of the large-diameter portion of the cylindrical body,
The lid structure for a cylindrical body according to claim 1, wherein the pin introduction hole is formed in a lower peripheral wall portion where the large-diameter inner peripheral surface is located in the lid body. The cylindrical body can be freely connected to and separated from one pole of the battery on the small diameter portion side of the main body portion that is freely formed to accommodate one or more batteries and one end portion located immediately above the guide pin. And a lateral groove portion having a recess at the left end and the right end provided in a partial portion in the circumferential direction of the large-diameter portion positioned directly below the guide pin, and a recess at the right end of the lateral groove portion It is formed with the vertical groove part formed in the vicinity,
The lid body is continuous with the first vertical hole portion for introducing the guide pin until the small diameter portion of the cylindrical body reaches the inner peripheral surface of the small diameter when the lid is applied, and the first vertical hole portion. A first horizontal hole portion that allows the guide pin to move laterally, a second vertical hole portion that allows the guide pin to move downward in a continuous manner with the first horizontal hole portion, and the second vertical hole portion. The pin introduction hole consisting of a second lateral hole portion that allows the guide pin to move laterally continuously.
A protrusion provided in the vicinity of an open edge located approximately in the middle of the second lateral hole portion on the inner surface of the lower peripheral wall portion;
Forming a conductive metal piece extending from the inner side surface of the top plate portion toward the terminal side of the second lateral hole portion of the upper peripheral wall portion of the peripheral wall portion;
While the guide pin of the cylindrical body reaches from the first vertical hole portion of the lid body to the first horizontal hole portion, the protrusion guided by the vertical groove portion of the cylindrical body is located on the main body portion side, and the guide When the pin reaches the lower end of the second vertical hole portion, the protrusion is introduced into the concave portion at the right end of the horizontal groove portion, and when the pin reaches the right end of the second horizontal hole portion, the protrusion is at the left end of the horizontal groove portion. The lid structure for the cylindrical body according to claim 2, wherein the contact metal fitting comes into contact with the conductive metal piece simultaneously with being introduced into the recess. The horizontal groove portion and the vertical groove portion in the cylindrical body are formed at two positions where the positional relationship is shifted by 180 degrees, and the positional relationship between the pin introduction hole and the protrusion in the lid body is 180 degrees to correspond to this. The lid structure for the cylindrical body according to claim 3, which is formed at two shifted positions.

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