JP5197985B2 - Portable instrument with battery - Google Patents

Description

  The present invention provides a lid for a variety of portable appliances that use a battery stored in a battery storage section provided in a case body as a power source, so that the battery cover that covers the battery storage section cannot be easily removed. This is a technique related to a portable device including a battery that can be made.

  Among portable instruments that can be easily carried, there are various types of functions, such as a voltage detector that can check the live status of AC voltage in a non-contact manner, using a battery as a power source. There is usually a battery cover that conceals and protects the storage battery from the outside.

FIG. 4 shows an example of a cover structure disclosed in Patent Document 1 below in the case where a portable instrument including such a battery cover is an electronic device.
JP 2002-216728 A

  According to FIG. 4, the electronic device includes at least a case main body 1 having a battery housing portion 2 and a battery cover 5 having a lock claw 6. In this case, the case body 1 includes a release operation hole 3 for releasing the lock, and a rod-like member is inserted into the release operation hole 3 to push down the lock claw 6 of the battery cover 5 in the A direction. Thus, the locked state is released, and the battery cover 5 can be opened by sliding in the B direction. In addition, the code | symbol 4 in a figure shows the stopper for preventing that a battery cover 5 itself bends and a lock | rock state is cancelled | released when it is pushed down.

  For this reason, in the case of the electronic device lid structure shown in FIG. 4, the battery cover 5 in the locked state cannot be easily removed from the case body 1 side unless a conscious opening operation is performed. For example, it is possible to prevent an accident in which an infant accidentally swallows a battery.

  However, in the electronic device shown in FIG. 4, when the battery cover 5 is removed, not only the unnatural release operation hole 3 is visually observed on the case body 1 side, but the appearance is not deteriorated. There was a problem that foreign matter was likely to enter the case body 1.

  Further, the lock claw 6 of the battery cover 5 has a structural problem that when the rod-like member is pressed too much from the release operation hole 3 of the case body 1, it is bent more than necessary and is broken. .

  In view of the above-mentioned problems of the prior art, the present invention eliminates the release operation hole from the case body side and makes it preferable in appearance. It aims at providing a portable instrument provided with the battery which can open a cover.

  The present invention was made to achieve the above object, and a case main body having a battery housing portion secured between a pair of guide rails arranged in parallel along the length direction thereof, At least a battery cover that covers the battery housing portion so that the battery housing portion can freely advance and retreat via a guide rail, and the case body includes a pressed portion between a pair of lock claw pieces, and a free end of the battery housing portion. The battery cover is provided with a one-side lock portion disposed on the side so as to be bent and deformable, and the battery cover is inserted with a rod-like member for unlocking at a position facing the pressed portion of the one-side lock portion when the cover is applied. The one-side lock by the rod-like member that is provided with a release operation hole and an other side lock portion that is freely formed to engage with the lock claw piece around the release operation hole. The other side lock is To eliminate the engagement between the parts regress the battery cover to said free end direction of the battery compartment and most main feature that it has freely lid opening with.

In this case, it is preferable that the case main body is provided with a bending deformation preventing portion that prevents the rod-like member from being pushed more than necessary from the release operation hole and breaking the one-side lock portion side. The case body includes a performance adjustment operation part in a part of the battery housing part, and the battery cover includes guide ribs that can be moved forward and backward along the guide rails. Each of the guide ribs is provided with a small protrusion at each corresponding position of the guide rib so as to be loosely fitted with each of the hook portions, and the electric power at the initial position of the performance adjusting operation portion is provided. The pond cover can be temporarily stopped. Furthermore, the battery cover may be provided with an unlocking operation explanation portion that can be seen in the vicinity of the release operation hole, and a friction portion that prevents a finger from slipping during the advance / retreat operation.

Moreover, the case body is desirably a voltage detector in which the operation section provided on one end side in the longitudinal direction and electroscopic unit.

  According to the first aspect of the present invention, since the battery storage portion of the case body can be reliably covered with the battery cover, the battery cover can be opened even if the infant is mischievous. Therefore, accidental ingestion of the battery can be prevented in advance. Further, since the release operation hole is provided on the battery cover side, it is possible to eliminate the room for foreign matter to enter the case body.

  According to the second aspect of the present invention, even when the rod-shaped member is pushed in more strongly than necessary when releasing the locked state, the movement is blocked by the bending deformation blocking portion that blocks the bending deformation of the one side locking portion. Therefore, it is possible to reliably prevent the one-side lock portion from being broken.

  According to the third aspect of the present invention, since the performance adjustment operation part is provided in a part of the battery housing part and the battery cover can be temporarily stopped at the initial position of the performance adjustment operation part, the battery cover itself In addition to being able to effectively prevent simple slipping off, it is also possible to conceal the performance adjustment operation part at the time of lid application, so that dust and dirt intrusion and inadvertent adjustment operations can be reliably prevented You can also. Moreover, the operator can demonstrate the performance as desired by adjusting the performance adjustment operation part easily.

  According to the fourth aspect of the present invention, the battery cover includes the visible unlocking operation explanation part and the friction part for preventing the finger from sliding during the advance / retreat operation. The operation can be performed.

According to the fifth aspect of the present invention, the battery cover can be securely locked and applied, and can be suitably used as a voltage detector that can be opened by simple operation to finely adjust the performance or replace the battery. be able to.

  As is apparent from FIGS. 1 to 3, the present invention is a case in which a battery housing portion 18 is secured between a pair of guide rails 17, 17 arranged in parallel along the length direction. It comprises at least a main body 11 and a battery cover 31 that covers the battery housing part 19 so as to freely advance and retreat through the guide rails 17 and 17.

  Among these, the case main body 11 is provided with a one-side lock portion 23 that is arranged to be bent and deformable on the free end 18 a side of the battery housing portion 18 with a pressed portion 25 interposed between the pair of lock claw pieces 24, 24. It has.

  Further, the battery cover 31 includes a release operation hole 34 into which a lock releasing rod-like member is inserted at a position facing the pressed part 25 of the one side lock part 23 when the cover is applied, and a periphery of the release operation hole 34. And the other side lock portion 35 that is freely engaged with the lock claw portions 24 and 24.

  Therefore, when the one-side lock portion 23 is pushed down by the rod-like member 41 pushed from the release operation hole 34, the engagement with the other-side lock portion 35 is canceled and the battery cover 31 is moved to the free end 19 a of the battery storage portion 19. It can be opened by retracting in the direction.

  FIG. 1 is an exploded perspective view showing an example of the present invention in a case where a case main body that is freely formed to exhibit a function determined by a relationship with an operating portion provided on one end side in the length direction is applied to a voltage detector. FIG. 2 is a side view showing the voltage detector with a part cut away, together with an enlarged view of a main part thereof. Hereinafter, specific configuration examples of the present invention will be described based on these drawings.

  According to the illustrated example, the case main body 11 side is formed as a voltage detector 12 having a voltage detection unit 15 as an operation unit 14 on the tip 13 side which is one end thereof. In this case, the voltage detector 12 is formed by accommodating an appropriate necessary member (not shown) including a printed board having a required voltage detection circuit therein.

  Further, the voltage detector 12 is formed with a stepped portion 16 that is recessed along the length direction in a substantially half region on the upper surface 12a side that is located on the side opposite to the voltage detecting unit 15. Further, in the surface area of the step portion 16 excluding the one end portion 16a and the other end portion 16b where the free end 19a is located, the cross section disposed in parallel along the length direction has a substantially inverted L shape. A pair of guide rails 17 and 17 are formed, and a battery storage portion 19 for storing a battery 29 such as a button battery is formed between the guide rails 17 and 17.

  In addition, a sensitivity adjustment unit (variable resistor) 21 as a performance adjustment operation unit 20 is disposed on the one end 16 a side of the stepped portion 16 in the voltage detector 12. Further, near the free end 19a located on the other end portion 16b side of the stepped portion 16, a one-side lock portion 23 surrounded by a U-shaped slit 26 is slightly recessed between the pair of lock claw pieces 24, 24. It is formed so as to be able to bend and deform by interposing the pressed portion 25 that has been pressed and connecting the portions on the guide rail 17 side.

  In this case, each lock claw piece 24 in the one-side lock part 23 includes a vertical part 24a for latching, and a slope part inclined forward from the top part of the vertical part 24a toward the free end 19a of the battery storage part 19. 24b.

  Each guide rail 17 is formed by a standing piece 17a that is directly above, and a horizontal piece 17b that is horizontally projected outward from the top end of the standing piece 17a. Moreover, when the battery cover 31 is retracted to reach the initial position of the sensitivity adjustment unit 21 when the battery cover 31 is retracted, the upright piece 17a of each guide rail 17 is fitted with a small protrusion 40 on the battery cover 31 side described later. The movement can be paused.

Furthermore, the rod-shaped member 51 is pushed more than necessary from the release operation hole 34 below the lock claw piece 24 in the one-side lock portion 23 formed on the other end portion 16b side of the step portion 16 of the voltage detector 12. Thus, the one side lock portion 23 side is bent and deformed more than necessary, and the bending deformation preventing portion 28 for preventing the breakage is disposed as shown in the enlarged view of the main part in FIG .

  On the other hand, the battery cover 31 is formed in a shape that can be face-to-face with the battery housing part 19 in the voltage detector 12 and can be arranged flush with each other when the cover is applied.

  That is, the battery cover 31 includes a top plate portion 32 that faces the upper surface side of the battery storage portion 19 and a peripheral wall portion 33 that is suspended from the periphery of the top plate portion 32 excluding the tip edge 32a side. Has been.

  Among these, the top plate portion 32 is inserted with a bar member 51 for unlocking at a position facing the pressed portion 25 of the one-side lock portion 23 provided in the battery housing portion 19 of the voltage detector 12 when the lid is applied. A release operation hole 34 is formed.

  Further, around the release operation hole 34 on the inner side surface of the top plate portion 32, the other side lock portion 35 is formed so that the lid can be freely engaged with the lock claw piece 24 in the one side lock portion 23. Has been.

  If this is explained based on the example shown in FIG. 1, the other side lock portion 35 is formed around the release operation hole 34 of the top plate portion 32 with a length substantially equal to the height of the peripheral wall portion 33. The cylindrical portion 36 is mainly used, and the rear half side of the cylindrical portion 36 is made lower by, for example, slightly removing it in the surface direction of the top plate portion 35 so as to secure a vertical stepped portion 37 between the front half side. Has been.

Further, in the peripheral wall portion 33, a portion that is in a positional relationship facing each guide rail 17 formed in the step portion 16 of the voltage detector 12 can be moved forward and backward along the horizontal piece portion 17 b of each guide rail 17. guide ribs 3 9 exhibiting L-shape is formed in each separate.

Moreover, the guide ribs 3 9, when reaching by regression of the battery cover 31 to the exposed original position of the sensitivity adjustment unit 20, small projection fitting freely between the engaging portion 18 of each guide rail 17 is provided with 40 Thus, the movement of the battery cover 31 can be temporarily stopped.

  Further, in the vicinity of the release operation hole 34 on the outer surface side of the top plate portion 32, a lock release operation explanation portion 41 that illustrates the opening operation of the battery cover 31 is provided so as to be visible. Further, a friction portion 42 made up of a plurality of small protrusions or the like for preventing the finger from sliding in the forward / backward operation of the battery cover 31 is provided at a substantially central portion of the outer surface of the top plate portion 32. In addition, a tongue piece 43 that is inserted into the voltage detector 12 side when the battery cover 31 is covered to be integrated with the tip edge 32a of the top plate portion 32 to ensure the flushness in the surface direction is provided in the surface direction. It is extended.

  Next, the operation and effect of the present invention having the above configuration will be described with reference to FIG. When it is necessary to adjust the performance of the voltage detector 12 as the case body 11, first, the sensitivity adjustment unit 21 as the performance adjustment operation unit 20 hidden by the battery cover 31 in the covered state is exposed. There is a need.

  For this reason, the operator visually confirms the unlocking operation explanation section 41 and, according to the contents of the explanation, inserts the rod-like member 51 such as a metal rod into the release operation hole 34 of the battery cover 31 as shown in FIG. Insert into.

  The distal end 51a of the rod-shaped member 51 inserted into the release operation hole 34 eventually comes into contact with the pressed portion 25 of the one-side lock 23 located in the vicinity of the free end 19a of the battery storage portion 19 of the voltage detector.

  The one-side lock portion 23 partitioned through the slit 26 is bent and deformed while being pushed downward downward as the pressing force to the pressed portion 25 increases, and eventually opens to the bending deformation preventing portion 28. The edge 23a side abuts and stops moving.

  When this state is reached, each lock claw piece 24 in the one side lock portion 23 is also pushed down, and the engagement state between the vertical portion 24a and the vertical step portion 37 of the other side lock portion 35 is released. According to the procedure shown in the release operation explanation part 41, the finger can be pressed against the friction part 42 and easily pushed in the direction of the arrow.

  The battery cover 31 is further pushed in the direction of the arrow, so that the sensitivity adjustment unit 21 disposed in the battery storage unit 19 is exposed. When the battery cover 31 is pushed and moved to such an initially exposed position, the battery ribs 31 are formed on the guide ribs 39 of the peripheral wall portion 33 on the engaging portions 18 included in the respective guide rails 17 formed on the step portions 16. The small protrusions 40 that are present can be loosely fitted to temporarily stop the movement.

  Therefore, the adjustment work of the sensitivity adjustment unit 21 can be easily performed under this state. In addition, after the adjustment work of the sensitivity adjustment unit 21 is finished, the battery cover 31 is pushed back to the original position, so that the cylindrical part 36 of the other side lock part 35 is inclined to the slope part of the lock claw piece 24 of the one side lock part 23. By dropping the vertical stepped portion 37 into the vertical portion 24a of the lock claw piece 24 while guiding it to 24b, the lid can be firmly applied under the locked state engaged with the one-side lock portion 23.

  In addition, the replacement operation of the battery 29 housed in the battery housing part 19 of the voltage detector 12 is performed by removing the battery cover 41 temporarily stopped by the fitting state at the initial exposure position of the sensitivity adjustment part 21. Further, the lid can be opened by pushing in the direction of the arrow. That is, the battery cover 31 is completely separated from the battery housing portion 19 of the voltage detector 12 to be in an open state by detaching the guide rib 39 guided by the guide rail 17 on the voltage detector 12 side. Among them, the battery 29 can be easily replaced. After the replacement of the battery 29, the battery cover 31 can be reliably covered by following the reverse procedure.

  Therefore, according to the present invention, the cover state of the battery cover 31 with respect to the battery storage part 19 of the voltage detector 12 which is the case body 11 is set in a state where the one side lock part 23 and the other side lock part 35 are engaged. It can be securely locked.

  For this reason, even if an infant is mischievous, the battery cover 31 cannot be removed from the battery storage part 19 of the voltage detector 12, and accidental ingestion of the battery 29 can be prevented.

  In addition, the sensitivity adjustment unit 21 as the performance adjustment operation unit 20 included in the voltage detector 12 can be completely concealed by the battery cover 31 at the time of lid application. Can be reliably prevented. Furthermore, since the operator can adjust the sensitivity adjustment unit 21 during work with one driver, for example, it is easy to detect even at a low voltage, or a high voltage is not detected so that an unnecessary buzzer does not sound. Can be.

  The above is a description of the case where the present invention is applied to a voltage detector, and the specific contents thereof are not limited to this. The case main body of the portable instrument to which the present invention is applied has a structure that can exhibit an appropriate function using a battery as a power source, and the battery housing portion only needs to be covered with a battery cover. Also included are portable flashlights and pencil-type portable testers.

An exploded perspective view showing an example of the present invention together with an enlarged view of a main part thereof when a case main body that is freely formed to exhibit a function determined by a relationship with an operation part provided on one end side in the length direction is applied to a voltage detector. . The side view which shows the voltage detector of the state which notched a part with the principal part enlarged view. Explanatory drawing which shows the lid opening procedure as (a), (b) taking a voltage detector as an example. Sectional drawing which shows the example of a cover structure in case a portable instrument provided with a battery cover is an electronic device.

DESCRIPTION OF SYMBOLS 11 Case main body 12 Electric detector 12a Upper surface 13 Tip 14 Actuation part 15 Electric detection part 16 Step part 16a One end part 16b Other end part 17 Guide rail 17a Standing piece part 17b Horizontal piece part 18 Engagement part 19 Battery storage part 19a Free end 20 Performance Adjustment operation part 21 Sensitivity adjustment part 23 One side lock part 23a Open edge 24 Lock claw piece 24a Vertical part 24b Slope part 25 Pressed part 26 Slit 28 Deflection prevention part 29 Battery 31 Battery cover 32 Top plate part 32a Tip edge 33 Peripheral wall Part 34 Release operation hole 35 Other side lock part 36 Cylindrical part 37 Vertical step part 39 Guide rib 40 Small protrusion 41 Unlock operation explanation part 42 Friction part 43 Tongue piece 51 Rod-like member 51a Tip

Claims (5)

A case main body in which a battery housing portion is secured between a pair of guide rails arranged in parallel along the length direction, and the battery housing portion is covered so as to freely advance and retreat through the guide rail. A battery cover and at least
The case main body includes a one-side lock portion disposed on a free end side of the battery housing portion so as to be flexibly deformed with a pressed portion interposed between a pair of lock claw pieces,
The battery cover includes a release operation hole into which a unlocking rod-shaped member is inserted at a position facing the pressed portion of the one side lock portion when the battery cover is applied, and the lock claw piece around the release operation hole. And the other side lock part formed freely with the hook,
When the one-side lock portion side is pushed down by the rod-like member pushed from the release operation hole, the engagement with the other-side lock portion is canceled and the battery cover is retracted toward the free end of the battery storage portion. A portable instrument equipped with a battery characterized in that the lid can be opened freely. 2. The mobile phone including the battery according to claim 1, wherein the case body includes a bending deformation preventing portion that prevents the rod-like member from being pushed more than necessary from the release operation hole and preventing the one-side lock portion from being broken. Appliances. The case body includes a performance adjustment operation part in a part of the battery housing part, and the battery cover includes guide ribs that can be moved forward and backward along the guide rails, and each of the guide rails. the fitting part in each of the corresponding positions of the guide ribs is respectively provided a small projection for fitting loosely another each said engaging portion, the batteries cover at exposed initial position of the performance adjustment operation portion A portable device comprising the battery according to claim 1, wherein the battery can be temporarily stopped. 4. The battery cover according to claim 1, wherein the battery cover is provided with an unlocking operation explanation portion that is visible in the vicinity of the release operation hole, and a friction portion that prevents a finger from slipping during the advance / retreat operation. Portable instrument with a battery. The portable instrument provided with the battery according to any one of claims 1 to 4, wherein the case body is a voltage detector in which an operation part provided on one end side in a length direction thereof is a voltage detection part .

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