JP2013254878A - Electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a cover part from being unexpectedly removed from a case body without impairing the attachment and detachment operability of the cover part.SOLUTION: An electronic apparatus includes: a case body 10; a cover part 30 engaging with the case body 10 through a hook part 31; and an elastic member 20 serving as a biasing part which biases the engagement between the case body 10 and the hook part 31. The cover part 30 is displaced by a force being applied in a direction opposite to a biasing direction of the elastic member 20 thereby releasing the engagement between the case body 10 and the hook part 31.

Description

  The present invention relates to an electronic device, and more particularly, to an electronic device having a function of accommodating components such as an electric cord and a receiver, as well as a battery pack and a dry battery that provide driving power for a remote controller.

  In recent years, many electronic devices such as tablet terminals, PDAs such as smartphones, and remote controllers are provided with driving power by battery packs or batteries (dry batteries, etc.). In addition, some electrical devices include an electrical cord that can be connected to a commercial power source, and other electrical devices include an acoustic component such as a receiver.

  In view of this, electronic devices have been provided with a function of accommodating various components such as the above-described battery pack, battery, electric cord, and receiver. Among the above components, the battery pack and the battery are generally housed in a component housing section that is formed in a case of an electronic device made of a resin molded body. In addition, there are many electric cords, receivers, and the like that are housed in a component housing section that is formed in a case of an electronic device.

  FIG. 12 shows a remote control switch (remote controller) described in Patent Document 1. The remote controller switch shown in FIG. 1 includes a case 1 configured by combining an upper case 2 and a lower case 3, and a battery case 4 is integrally provided on the back side of the rear end of the case 1. The battery case 4 corresponds to the component housing section described above. Reference numeral 5 denotes an operation button. Further, in the above-mentioned Patent Document 1, a structure shown in a partial cross-sectional view in FIG. 13 is adopted as a configuration for coupling the upper case 2 and the lower case 3.

  In the combined configuration shown in FIG. 13, in addition to engaging the convex portion 7 provided in the lower case 3 with the concave portion 6 provided in the upper case 2, the configuration is raised from the lower case 3. The upper case 2 is sandwiched between the rib-shaped protrusion 8 and the lower case 3. And, by adopting this coupling configuration, it is possible to prevent the projection 7 from being removed from the recess 6 and the coupling state between the upper case 2 and the lower case 3 being damaged. The configuration as shown in FIG. 13 disclosed in Patent Document 1 is a so-called fitting killing structure, and is not a structure adopted on the assumption that the concave portion 6 and the convex portion 7 are repeatedly engaged and disengaged.

  On the other hand, in an electronic device having a component housing section such as a battery pack or a battery, it is assumed that the battery pack is taken in and out. Therefore, a cover portion for closing an opening for taking in and out is shown in FIG. It is not appropriate to adopt such a structure to make a fitting structure. In view of this, a configuration based on the premise that the cover portion that closes the opening of the case main body forming the component housing section is repeatedly engaged and disengaged is adopted in the electronic device.

  In FIG. 14, the principal part of the component accommodating division employ | adopted as the electronic device as a prior art example provided with such a structure is shown with the vertical side view. In this case, a resin molded body in which a case main body 10 forming a component housing section is integrally formed with a case 1 of a remote controller provided with control elements necessary for remote operation of an electronic device such as a television receiver. The component housed in the component housing section 11 formed by the case body 10 is a battery pack or a battery (not shown) that covers the driving power of the control element. Further, the case body 10 is configured such that the cover portion 30 is detachable by a sliding operation. When the cover portion 30 is attached to the case body 10, as a component to the component housing section 11 as shown in FIG. The battery pack or the opening for taking in and out the battery is closed by the cover 30.

  As shown in FIG. 14, the case body 10 has a front wall 13 formed by the same portion as the rear wall of the case 1 of the remote controller. The front wall 13 of the case body 10 is provided with an opening 14 through which a hook portion 31 protruding forward from the cover portion 30 can be inserted and removed, and a locking portion 15 formed by the lip of the opening 14. Yes. Further, the case body 10 is provided with a pedestal portion 16, and when the hook portion 31 is inserted into the opening portion 14, the pedestal portion 16 faces the hook portion 31 as shown in FIG. It has become.

  In the first stage of the procedure of attaching the cover part 30 to the case body 10, the cover part 30 is placed on the case body 10 and the hook part 31 faces the opening part 14, and then the cover is shown as indicated by an arrow A1. The pressing part 33 of the part 30 is pushed forward to slide the cover part 30 forward. By the sliding operation at this time, the hook portion 31 is inserted into the opening portion 14, and at the same time, the engaging claw 32 of the hook portion 31 elastically deforms the pressing portion 33 and the hook portion 31 while opening the mouth of the opening portion 14. Slides with the inner surface of the edge. Then, when the locking claw 32 gets over the lip of the opening 14, the pressing portion 33 and the hook portion 31 are returned and deformed toward the initial position by their elasticity as shown in FIG. Engages with the locking portion 15. Thereby, the cover part 30 is locked with respect to the case main body 10. FIG.

  When the cover part 30 is attached to the case body 10 as described above, the opening of the component housing section 11 is closed by the cover part 30 as shown in FIG.

  In the first stage of the procedure for removing the cover part 30 from the case body 10, the pressing part 33 and the hook part 31 are elastically deformed by pushing down the pressing part 33 of the cover part 30 shown in FIG. The locking claw 32 is released from the locking portion 15, and the locking claw 32 is displaced from the engagement position with the locking portion 15 to the engagement release position. Next, the cover part 30 is slid backward with the finger of the hand while the pressing part 33 is pressed down. By the sliding operation at this time, the hook portion 31 is pulled out from the opening portion 14, and accordingly, the locking claw 32 is also pulled out to the rear side of the opening portion 14, so that the pressing portion 33 and the hook portion 31 are elastic. To return to the initial position. In this state, the cover part 30 can be removed from the case body 10.

  In the electronic device having the component housing section configured such that the cover 30 is attached to and detached from the case body 10 by the slide operation or the pressing operation of the pressing portion 33 as described above, the locking claw 32 is the mouth of the opening portion 14. The force that pushes the pressing portion 33 forward (arrow A1) or rearward (arrow A2), or the engagement of the locking claw 32 with the locking portion 15 by pushing down the pressing portion 33, which is necessary to get over the edge. It is beneficial to improve the detachability operability of the cover part 30 by appropriately determining the force required to displace the position to the disengagement position. As a countermeasure for that, in the conventional electronic device, the thickness of the pressing portion 33 is appropriately determined. Also, rib-like support pieces 17 are provided at two positions on the left and right sides of the pedestal portion 16 of the case body 10, and when the pressing portion 33 of the cover portion 30 is pushed down with a finger of the hand, both sides of the pressing portion 33 are the support pieces 17. The range in which the cover 30 is elastically deformed by being supported is regulated.

Japanese Utility Model Publication No. 1-1119123 (FIGS. 2 and 3)

  However, in an electronic device case having a conventional component housing section in which a measure to appropriately determine the thickness of the pressing portion 33 of the cover portion 30 is taken, the electronic device case falls and receives an impact, or some external force is applied to the cover portion 30. The locking claw 32 engaged with the locking portion 15 on the case body 10 side is inadvertently displaced and disengaged from the locking portion 15, and the cover 30 is removed from the case body 10. There was a risk of falling off.

  The present invention has been made in view of the above situation, and the locking claw 32 on the cover portion 30 side is inadvertently applied even if an external force acts on the cover portion 30 without impairing the detachability of the cover portion 30. It is intended to make it difficult for the situation of displacement and disengagement from the locking portion 15 to occur.

  An electronic apparatus according to the present invention includes a case main body, a cover portion that engages with the case main body via a hook portion, and the case main body includes a case main body and a biasing portion that biases engagement of the hook portion. Have In the electronic device according to the present invention, the urging portion is made of an elastic member, and is displaced when a force is applied to the cover portion in a direction opposite to the urging direction by the urging portion. The engagement between the case main body and the hook portion is released.

  With this configuration, the urging portion presses the hook portion so that the hook portion is unlikely to come off from the locking portion on the case body side. For this reason, even when an external force acts on the cover portion, it is difficult for the hook portion to be accidentally displaced and come off the locking portion. Further, even if an elastic member that elastically presses the hook portion is provided, the attachment / detachment operability of the cover portion is not impaired unless the elasticity of the elastic member is determined to be large.

  In the present invention, it is desirable that the urging portion is formed integrally with the case body. Further, the urging unit may have at least one protrusion. Furthermore, it is desirable that the urging portion has a beam structure. Furthermore, it is preferable that the hook portion has a locking claw that engages with a locking portion provided in the case body and locks the cover portion with respect to the case body.

  As described above, according to the present invention, the urging portion is provided that suppresses the displacement of the hook portion from the engagement position with the case body to the disengagement position by pressing the hook portion on the cover portion side. Therefore, without impairing the attachment / detachment operability of the cover part, even if an external force acts on the cover part, it is difficult for the cover part to be accidentally displaced and detached from the case body. Therefore, even if an electronic device falls and receives an impact, the situation where a cover part will remove | deviate from a case main body is prevented.

It is a schematic perspective view of the electronic device which concerns on embodiment of this invention. It is the schematic perspective view which showed the principal part of the electronic device. It is explanatory drawing which illustrated the first step of the cover part attachment procedure. It is explanatory drawing which illustrated the intermediate | middle step of the cover part attachment procedure. It is explanatory drawing which illustrated the intermediate | middle step of the cover part attachment procedure. It is explanatory drawing which illustrated the state with which the cover part was mounted | worn with the case main body. It is explanatory drawing which illustrated the first step of the procedure which removes a cover part. It is explanatory drawing which illustrated the intermediate | middle step of the procedure which removes a cover part. It is explanatory drawing which illustrated the state which removed the cover part from the case main body. It is an enlarged view which shows the state which the hook part contact | abutted to the projection part of the elastic body. It is an enlarged view which shows the state which the hook part got on the protrusion part of an elastic body. It is explanatory drawing which showed the modification of the calling guide surface. It is an enlarged view of the elastic body which consists of resin springs. It is an enlarged view of the modification of the elastic body which consists of resin springs. It is an enlarged view of the other modification of the elastic body which consists of resin springs. It is an enlarged view of the other modification of the elastic body which consists of resin springs. It is an enlarged view of the other modification of the elastic body which consists of resin springs. It is explanatory drawing which showed the state when the drop impact was added to the electronic device. It is sectional drawing of the principal part of the electronic device which employ | adopted the elastic body by a modification. It is sectional drawing of the principal part of the electronic device which employ | adopted the elastic body by another modification. It is sectional drawing of the principal part of other embodiment. It is the perspective view which showed the remote control switch as a prior example. It is the fragmentary sectional view which showed the structure for couple | bonding the upper case and lower case of the remote control switch of FIG. It is explanatory drawing which illustrated the state with which the cover part in the prior art example was mounted | worn with the case main body.

  FIG. 1 is a schematic perspective view of an electronic apparatus according to the present invention. In this electronic apparatus, the case body 10 is a resin molded body formed integrally with the case 1 of the remote controller, and the parts housed in the part housing section formed by the case body 10 are a battery pack or a battery ( (Not shown). The case main body 10 is configured such that the cover 30 is attached and detached by a sliding operation in the directions indicated by the arrows A1 and A2. When the cover 30 is attached to the case main body 10, the opening of the component housing section is open. The cover 30 is closed.

  FIG. 2 is a schematic perspective view showing the main part of the electronic apparatus. 3A to 3D are explanatory views showing an example of a procedure for attaching the cover 30 to the case body 10, and FIGS. 4A to 4C are explanatory views showing an example of a procedure for removing the cover 30 from the case body 10. It is.

  As shown in FIG. 3A and the like, the case main body 10 has a front wall 13 formed by the same part as the rear wall of the case 1 of the remote controller, and protrudes forward from the front wall 13 to the cover portion 30. An opening 14 through which the provided hook portion 31 can be inserted and removed, and a locking portion 15 formed by the lip of the opening 14 are provided. Further, the case body 10 is provided with a pedestal portion 16, and when the hook portion 31 is inserted into the opening portion 14, the pedestal portion 16 faces the hook portion 31 (see FIG. See 3D).

  As shown in FIG. 2, the hook portion 31 has a locking claw 32. When the locking claw 32 engages with the locking portion 15 as shown in FIG. 3D, the cover portion 30 is attached to the case body 10. It is locked against.

  Further, as shown in FIG. 2, rib-shaped support pieces 17 are integrally formed at two left and right positions of the pedestal portion 16. 4A, when the pressing portion 33 of the cover portion 30 attached to the case main body 10 is pushed down with fingers of the hand, both sides of the pressing portion 33 are supported by the two support pieces 17 so that the cover portion 30 The range of elastic deformation is regulated.

  In this embodiment, an opening 18 is formed in the pedestal 16 of the case body 10. As shown in FIGS. 3C and 4B, the opening 18 allows the hook portion 31 that is elastically deformed to retract. One end of the elastic member 20 as an urging portion made of a plate spring-shaped resin spring disposed in the opening 18 is integrally connected to one end edge of the opening 18. The elastic member 20 is integrally formed with the case main body 10 made of a resin molded body, and has a protrusion 21 having an outer peripheral surface formed into a spherical surface at a free end thereof.

  In the electronic device described above, the configuration of the portion excluding the elastic member 20 is the same as that of the conventional electronic device described with reference to FIG. Accordingly, the same or corresponding elements are given the same reference numerals.

  In the first stage of the procedure of attaching the cover part 30 to the case body 10, the cover part 30 is placed on the case body 10 as shown in FIG. The pressing part 33 of the cover part 30 is pushed forward like A1, and the cover part 30 is slid forward. By the sliding operation at this time, the hook portion 31 is inserted into the opening portion 14 as shown in FIGS. 3B and 3C, and at the same time, the locking claw 32 opens while elastically deforming the pressing portion 33 and the hook portion 31. It slides with the lip of the part 14. And when the latching claw 32 gets over the lip of the opening 14, the pressing part 33 and the hook part 31 are restored to their initial positions by their elasticity as shown in FIG. Is engaged with the locking portion 15 as shown in FIG.

  When the cover part 30 is attached to the case main body 10 as described above, the opening for taking in and out the dry battery as a part to and from the part accommodating section 11 is closed by the cover part 30 as shown in FIG. 3D.

  In the first stage of the procedure for removing the cover part 30 from the case body 10, the pressing part 33 of the cover part 30 is pushed down with a finger as shown by an arrow P1 as shown in FIG. 4A, and the pressing part 33 and the hook part 31 are moved. By elastically deforming, the locking claw 32 is released from the locking portion 15, and the locking claw 32 is displaced from the engagement position with the locking portion 15 to the engagement release position. Next, with the pressing portion 33 depressed, the cover portion 30 is slid rearward by pushing it backward as indicated by an arrow A2 with a finger of a hand as indicated by an arrow A2 in FIG. 4B. By the sliding operation at this time, the hook portion 31 is pulled out from the opening portion 14 as shown in FIG. 4B, and accordingly, the locking claw 32 is also pulled out from the opening portion 14. Thereafter, the locking claw 32 is pulled out to the rear side of the opening portion 14, and the pressing portion 33 and the hook portion 31 are returned to their initial positions by their elasticity as shown in FIG. 4C. In this state, the cover part 30 can be removed from the case body 10.

  3A to 3D, the hook portion 31 rides on the protrusion 21 of the elastic member 20 in the middle stage (FIGS. 3B and 3C). The member 20 is displaced below the opening 18 against its elasticity. 3D, when the cover part 30 is mounted on the case body 10, the protrusion 21 of the elastic member 20 abuts against the hook part 31 and urges the locking claw 32. The urging direction by the elastic member 20 at this time is a direction in which the locking claw 32 is locked to the locking portion 15.

  FIG. 5A is an enlarged view showing a state in which the tip of the hook portion 31 is in contact with the protruding portion 21 of the elastic member 20, and FIG. 5B is an enlarged view showing a state in which the hook portion 31 gets on the protruding portion 21 of the elastic member 20. . As can be seen from FIG. 5A and FIG. 5B, when the tip of the hook portion 31 hits the protrusion 21 of the elastic member 20 and rides up, the tip of the hook 31 is the outer periphery of the spherical surface of the protrusion 21. Slide on the surface and get on without difficulty. Therefore, the spherical outer peripheral surface of the protruding portion 21 acts as a guide guide surface 22 for causing the locking claw 32 to ride on without difficulty.

  FIG. 6 is an explanatory view showing a modification of the guide guide surface 22 provided on the protrusion 21 of the elastic member 20. The protruding portion 21 in the figure is formed in a triangular pyramid shape, and the outer peripheral surface thereof is formed as a tapered guide guide surface 22. Also by this, the tip of the hook part (not shown) slides on the tapered outer peripheral surface of the protrusion 21 and rides on without difficulty.

  7A to 7E are enlarged views of various modifications of the elastic member 20 as an urging portion having a beam structure made of a leaf spring-shaped resin spring disposed in the opening 18. The elastic member 20 in FIG. 7A has the same configuration as that shown in FIG. The elastic member 20 shown in FIG. 7B is a plate-shaped piece made of two resin springs extending from each of two opposing edges of the rectangular opening 18 provided in the pedestal 16 toward the center of the opening 18. 23 and 23, and the projections 21 and 21 are provided at the free ends of the plate-like pieces 23 and 23, respectively. The elastic member 20 shown in FIG. 7C is formed by a plate-shaped piece made of a gate-shaped resin spring extending from one edge of a rectangular opening 18 provided in the pedestal portion 16. The protrusion 21 is provided only at one central portion. The elastic member 20 in FIG. 7D is a plate-like piece made of a resin spring having both ends connected to two opposite edges of a rectangular opening 18 provided in the pedestal portion 16, and a protrusion at the center thereof. 21 is provided. The elastic member 20 of FIG. 7E is a cross-shaped plate-like piece continuously provided at four positions on the edge of the circular opening 18 provided in the pedestal portion 16, and a protrusion 21 is provided at the center thereof. ing. Each elastic member 20 shown in FIGS. 7B to 7E also has the same effect as the elastic member 20 shown in FIG. 7A.

  FIG. 8 is an explanatory view showing a state when a drop impact is applied to the electronic device. As shown in the figure, when an electronic device falls inadvertently and an external force accompanying a drop impact is applied as indicated by an arrow F near the pressing portion 33 of the cover portion 30, the hook portion 31 is pressed by the external force F and is engaged. The pawl 32 is urged in a direction away from the locking portion 15. However, the protrusion 21 of the elastic member 20 represses the hook portion 31 and urges the locking claw 32 as indicated by the arrow P2, so that the locking claw 32 is moved from the illustrated engagement position to the disengaged position. Displacement towards is prevented. Therefore, the latching claw 32 is difficult to come off from the latching part 15, and as a result, even if an external force such as a drop impact acts on the cover part 30, the latching claw 32 is accidentally displaced and comes off from the latching part 15. It becomes difficult to happen. Further, the urging force of the elastic member 20 acting on the hook portion 31 does not impair the detachability operability when the cover portion 30 is slid and attached to the case body 10.

  FIG. 9 is a cross-sectional view of a main part of an electronic apparatus employing the elastic member 20 according to a modification. The elastic member 20 shown in the figure is made of a rubber material having elasticity such as a rubber plate or a sponge, which is a separate part from the case main body 10, and is adhered and held on the pedestal portion 16 using an adhesive. FIG. 10 is a cross-sectional view of a main part of an electronic apparatus employing an elastic member 20 according to another modification. The elastic member 20 shown in FIG. 1 is a metal coil spring that is a separate component from the case body 10, and is attached to the pedestal portion 16, and a protrusion 21 is provided at the tip thereof. 21 has a guide guide surface. 9 and 10, the elastic member 20 is engaged with the locking portion 15 by the elastic biasing action (arrow P2) of the elastic member 20 when the cover portion 30 is mounted on the case body 10. The latching claw 32 is prevented from being displaced from the illustrated engagement position toward the disengagement position.

  Although not shown, the elastic member can be configured by a metal leaf spring that is a separate component from the case body 10.

  In this embodiment, the hook portion 31 elastically deformed as shown in FIGS. 3C and 4B is retracted into the opening 18 opened in the pedestal portion 16 of the case body 10. An elastic member 20 is provided in the opening 18. If this configuration is adopted, there is an advantage that it is easy to promote the thinning of the electronic device as compared with the case where the elastic member is provided on the pedestal portion 16.

  In addition, the component housing section provided in the electronic device of the above-described embodiment is formed by the case body 10, the case body 10 being a resin molded body formed integrally with the case 1 of the remote controller. Although the description has been given of the case where the component accommodated in the component accommodating section 11 is a battery pack or a battery, this point is for accommodating components such as an electric cord and a receiver in the component accommodating section 11 formed by the case body. May be. Moreover, the case main body may be integrally molded in a case made of a resin molded body of the electric device main body.

  In the embodiment described above, the electronic device configured to be attached to and detached from the case body 10 by sliding the cover 30 is described. However, in this respect, the configuration according to another embodiment described below is adopted. Is also possible.

  FIG. 11 is a cross-sectional view of a main part of another embodiment. In this embodiment, a hook portion 31 having U-shaped elasticity is connected to the front end of the cover portion 30, and a hooking claw 32 formed in a groove shape is provided at the tip of the hook portion 31. The groove-shaped locking claw 32 includes a pressing piece 35 and a locking piece 36 that faces the pressing piece 35 with a space therebetween. On the other hand, on the case main body 10 side, a recess 19 having a size capable of accommodating the hook portion 31 and a plate-like locking portion 15 protruding from the wall portion of the recess 19 are provided.

  In this embodiment, the elastic member 20 as a biasing portion for biasing the engagement between the locking portion 15 of the case body 10 and the hook portion 31 includes a wall portion on which the locking portion 15 is provided. Is provided with a beam structure on the opposite wall. The elastic member 20 has a protrusion 21.

  In the electronic apparatus having this configuration, when the hook portion 31 of the cover portion 30 is pushed into the concave portion 19 as indicated by the arrow P from the phantom line state to the solid line position in the drawing, the locking claw 32 is locked accordingly. The piece 36 moves over the locking portion 15 while elastically deforming the hook portion 31, and the groove-shaped locking claw 32 engages with the locking portion 15 as shown in FIG. Then, the elastic member 20 as the urging portion represses the hook portion 31 and urges the engagement of the hook portion 31. Therefore, this embodiment also prevents the locking claw 32 from being displaced from the illustrated engagement position toward the engagement release position. Therefore, the latching claw 32 is difficult to come off from the latching part 15, and as a result, even if an external force such as a drop impact acts on the cover part 30, the latching claw 32 is accidentally displaced and comes off from the latching part 15. It becomes difficult to happen. Further, the urging force of the elastic member 20 acting on the hook portion 31 does not impair the detachability operability when the cover portion 30 is slid and attached to the case body 10. Of course, it is possible to integrally form the elastic member 20 as the urging portion with the case main body 10.

10 Case body 15 Locking portion 20 Elastic member (biasing portion)
21 Protruding part 30 Cover part 32 Locking claw 31 Hook part

Claims (6)

  An electronic device comprising: a case main body; a cover portion that engages with the case main body via a hook portion; and the case main body includes a case main body and a biasing portion that biases the engagement of the hook portion. machine.   2. The electronic device according to claim 1, wherein the urging portion is formed of an elastic member, and is displaced when a force is applied to the cover portion in a direction opposite to the urging direction by the urging portion, An electronic device, wherein the case main body and the hook portion are disengaged.   3. The electronic device according to claim 1, wherein the urging portion is formed integrally with the case main body. 4.   4. The electronic device according to claim 1, wherein the biasing portion has at least one protrusion. 5.   5. The electronic device according to claim 1, wherein the urging portion has a beam structure. 6.   The electronic device according to claim 1, wherein the hook portion engages with a locking portion provided on the case main body to lock the cover portion with respect to the case main body. Electronic equipment characterized by having

Images