JP2007242993A - Switching device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a switching device for use in various electronic devices, wherein there are no scratches and the like by an opening and closing operation and the smooth opening and closing operation is enabled to make. <P>SOLUTION: Between an upper latch part 3D and a movable body 2 of a spring 3, a restrictive member 11 which precludes a winding part 3A and an upper arm part 3B from abutting on a lower face of the movable body 2, whereby a given gap is formed between the winding part 3A and the upper arm part 3B, and the lower face of the movable body 2 by the restrictive member 11. Upon the opening and closing operation, since these are not abutted thereon, inconveniences on an external appearance such as scratches and the like by the operation are prevented and the switching device capable of the smooth opening and closing operation can be obtained. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an opening / closing device used in various electronic devices such as a mobile phone and a personal computer.

  In recent years, as electronic devices such as mobile phones and personal computers have been diversified and highly functional, there are an increasing number of devices that perform various operations by opening and closing a movable housing with respect to a fixed housing. There is also a demand for an opening / closing device that can be reliably opened and closed.

  Electronic devices using such a conventional switchgear will be described with reference to FIGS. 5 to 8 mainly using a mobile phone as an example.

  FIG. 7 is a cross-sectional view of a conventional switchgear, and FIG. 8 is an exploded perspective view. In FIG. 7, reference numeral 1 denotes a substantially plate-like fixed body whose both ends are bent, and 2 is a movable body. Is mounted on the upper surface of the fixed body 1 so as to be movable in the left-right direction.

  Reference numeral 3 denotes a linear spring, and a plurality of winding portions 3A wound spirally are formed in the middle, and an upper arm portion 3B and a lower arm portion 3C extending from the upper and lower ends. An upper locking portion 3D and a lower locking portion 3E are provided at the tip.

  4A and 4B are a plurality of pins fixed to the movable body 2 and the fixed body 1 by caulking or the like, and a pair of springs 3 which are arranged symmetrically and slightly bent are vertically moved by the pins 4A and 4B. The locking portions 3D and 3E are locked, and the movable body 2 is urged leftward or rightward with respect to the fixed body 1 to constitute the opening / closing device 5.

  In addition, as shown in the perspective view of the mobile phone in FIG. 5, for example, the opening / closing device 5 configured as described above includes an operation unit 22 </ b> A having a fixed body 1 having a plurality of keys on the upper surface and a voice input unit 22 </ b> B such as a microphone. The movable body 2 is mounted on a movable casing 23 having a display section 23A such as a liquid crystal display element and a sound output section 23B such as a speaker formed on the upper surface, and fixed by the opening / closing device 5. The movable housing 23 is held so as to be movable in the left-right direction with respect to the housing 22 to constitute an electronic device.

  In the above configuration, as shown in FIGS. 5 and 7, in a state where the movable body 2 is urged to the right by the pair of springs 3 with respect to the fixed body 1, the movable housing in which the movable body 2 is mounted. 23 is moved while being urged to the right with respect to the fixed casing 22, and the voice input section 22B and the voice output section 23B are exposed so that a call or the like can be held, and the movable casing 23 is held open. .

  When the movable casing 23 is slid to the left by hand from this closed state, the movable body 2 attached to the movable casing 23 is moved to the left along with this operation, and the movable body 2 is moved by the pin 4A. When the upper locking portion 3D locked to the position exceeds the lower locking portion 3E locked to the fixed body 1 by the pin 4B, the pair of springs 3 are reversed and the movable body 2 is attached to the left. The movable casing 2 is held in a state where it overlaps the fixed casing 1, that is, in a closed state.

  That is, the movable body 2 mounted on the movable housing 23 is moved left or right by hand, and the movable body 2 is urged left or right by the force of the spring 3 so that the movable body 2 is movable relative to the fixed housing 22. The casing 23 is configured to be opened and closed.

  In addition, as the spring used for such an opening / closing device 5, in addition to the spring 3 in which the intermediate portion is wound a plurality of times as described above, a spring in which the intermediate portion is bent in a substantially U shape can be used. In order to reliably hold the state in which the movable body 2 is moved to the left or right with respect to the stationary body 1 without being too heavy when the opening / closing operation is performed by hand, a predetermined biasing force is applied to the spring 3. Necessary.

  In addition, since it is difficult to make the overall shape too large because it is used for relatively small devices such as mobile phones, it is easy to obtain the predetermined urging force as described above. The spring 3 formed by overlapping the portions 3A is generally used.

As prior art document information related to the invention of this application, for example, Patent Document 1 is known.
JP 2003-110675 A

  However, in the conventional opening / closing device 5, when the movable body 2 is moved in the left-right direction with respect to the fixed body 1 to open / close, and the spring 3 is bent to bias the movable body 2 leftward or rightward. By the force generated in the winding part 3A and the upper and lower arm parts 3B and 3C, the winding part 3A and the upper and lower arm parts 3B and 3C are deformed upward or downward as shown by solid arrows in FIG. Since they move in the left-right direction while abutting and rubbing against the surfaces of the movable body 2 and the fixed body 1, scratches are generated on these surfaces.

  As shown in the perspective view of FIG. 6, when the lower surface of the movable body 2, which is the back surface of the movable housing 23, is scratched, it can be visually recognized from the outside in the open state of the opening / closing device 5. As a result, there was a problem that the scratching caused the opening and closing operation of the movable casing 23 to make it difficult to perform a smooth operation.

  The present invention solves such a conventional problem, and an object of the present invention is to provide an opening / closing device that can be smoothly opened / closed without being scratched by the opening / closing operation.

  In order to achieve the above object, the present invention has the following configuration.

  According to the first aspect of the present invention, at least one of the upper locking portion and the movable body, or the lower locking portion and the fixed body, in which the upper and lower arm portions extend from the intermediate winding portion. The opening / closing device is configured by sandwiching a regulating member that prevents the winding portion and the upper and lower arm portions from coming into contact with the movable body or the fixed body. When the opening / closing device is operated, the winding portion is In addition, since a predetermined gap is formed between the upper and lower arm parts and the movable body or fixed body, and these do not come into contact with each other, it is possible to prevent an appearance defect such as an abrasion caused by the opening and closing operation, and to provide a smooth opening and closing device. It has the effect that it can be obtained.

  In the invention according to claim 2 of the present invention, at least one of the upper surface or the lower surface of the winding portion in the middle of the spring is covered with a protective member to constitute an opening / closing device. For example, a protective member such as a resin is provided. By attaching to the winding part and covering a predetermined surface of the upper and lower surfaces of the winding part with a protective member, the winding part of the spring does not come into direct contact with the movable body or fixed body during the opening / closing operation. Therefore, there is an effect that an opening / closing device capable of performing a smooth opening / closing operation without scratching the movable body or the fixed body can be obtained.

  As described above, according to the present invention, it is possible to obtain an advantageous effect that it is possible to realize an opening / closing device that can be smoothly opened and closed without being scratched.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS.

  In addition, the same code | symbol is attached | subjected to the part of the structure same as the structure demonstrated in the term of background art, and detailed description is simplified.

(Embodiment 1)
The first aspect of the present invention will be described with reference to the first embodiment.

  FIG. 1 is a cross-sectional view of a switchgear according to a first embodiment of the present invention, FIG. 2 is an exploded perspective view of the switchgear, in which 1 is made of metal such as steel or copper alloy bent at both ends. The substantially plate-like fixed body 2 is also a movable body, and the movable body 2 is mounted on the upper surface of the fixed body 1 so as to be movable in the left-right direction.

  In addition, 3 is a generally U-shaped spring such as a steel wire or a copper alloy wire, and a plurality of winding portions 3A wound spirally in the middle are overlapped and formed from the upper and lower ends. A substantially annular upper locking portion 3D and lower locking portion 3E are provided at the distal ends of the extended upper arm portion 3B and lower arm portion 3C.

  10A and 10B are a plurality of pins fixed to the movable body 2 and the fixed body 1 by caulking or the like, and a pair of springs 3 which are symmetrically arranged and slightly bent are engaged with each other by the pins 10A and 10B. The stop portions 3D and 3E are respectively locked, and the movable body 2 is urged leftward or rightward with respect to the fixed body 1.

  Reference numeral 11 denotes a substantially plate-like restriction member made of a resin such as polyoxymethylene, which is sandwiched between the lower surface of the movable body 2 and the pair of upper locking portions 3D, and a plurality of pins 10A are associated with each upper member. An opening / closing device 15 is configured by being inserted into the stop 3 </ b> D and the plurality of through holes 11 </ b> A of the regulating member 11 and fixed to the movable body 2.

  The opening / closing device 15 configured as described above is, for example, as shown in the perspective view of the mobile phone in FIG. The movable body 2 is attached to the movable casing 23 having a display unit 23A such as a liquid crystal display element or the like and an audio output unit 23B such as a speaker formed on the upper surface, and fixed by the opening / closing device 15. The movable housing 23 is held so as to be movable in the left-right direction with respect to the housing 22 to constitute an electronic device.

  In the above configuration, as shown in FIGS. 1 and 5, in a state where the movable body 2 is urged to the right by the pair of springs 3 with respect to the fixed body 1, the movable housing in which the movable body 2 is mounted. 23 is moved while being urged to the right with respect to the fixed casing 22, and the voice input section 22B and the voice output section 23B are exposed so that a call or the like can be held, and the movable casing 23 is held open. .

  When the movable casing 23 is slid to the left by hand from this closed state, the movable body 2 attached to the movable casing 23 is moved to the left along with this operation, and the movable body 2 is moved by the pin 10A. When the upper locking portion 3D locked to the position exceeds the lower locking portion 3E locked to the fixed body 1 by the pin 10B, the pair of springs 3 are reversed and the movable body 2 is attached to the left. When the movable housing 2 overlaps the fixed housing 1, that is, it is held in a closed state.

  That is, the movable body 2 mounted on the movable housing 23 is moved left or right by hand, and the movable body 2 is urged left or right by the force of the spring 3 so that the movable body 2 is movable relative to the fixed housing 22. The casing 23 is configured to be opened and closed.

  The spring 3 that biases the movable body 2 leftward or rightward when the movable body 2 is moved in the left-right direction with respect to the fixed body 1 in this way is used as the winding portion 3A and the upper and lower arm portions. The winding part 3A and the upper and lower arm parts 3B, 3C are deformed upward or downward by the force generated in 3B, 3C, but the regulating member 11 is sandwiched between the movable body 2 and the upper locking part 3D. Therefore, the winding part 3A and the upper arm part 3B are not in contact with the lower surface of the movable body 2.

  That is, a predetermined gap is secured between the winding portion 3A or the upper arm portion 3D and the lower surface of the movable body 2 by the regulating member 11 sandwiched between the movable body 2 and the upper locking portion 3D. Even if the winding portion 3A and the upper arm portion 3 are deformed upward or downward, they are configured to abut against the lower surface of the movable body 2 so that the lower surface of the movable body 2 is not scratched.

  Therefore, as shown in the perspective view of FIG. 6, the surface of the lower surface of the movable body 2 that is an appearance portion that can be seen from the back surface in the opened state of the mobile phone is not scratched by the spring 3 due to the opening / closing operation. While preventing problems in appearance, there is no feeling of being caught during operation, and smooth opening and closing operations are possible.

  In addition, the regulating member 11 is sandwiched between the upper locking portion 3D and the movable body 2 as described above, but between the regulating member 11 and the movable body 2 and between the upper locking portion 3D and the pin 10A. Since a predetermined gap is provided, the upper arm portion 3B smoothly rotates during the opening / closing operation, so that the opening / closing operation of the opening / closing device 15 is reliably performed.

  Thus, according to the present embodiment, the restriction for preventing the winding portion 3A and the upper arm portion 3B from contacting the lower surface of the movable body 2 between the upper locking portion 3D of the spring 3 and the movable body 2. By sandwiching the member 11, a predetermined gap is formed between the winding portion 3 </ b> A or the upper arm portion 3 </ b> B and the lower surface of the movable body 2 by the regulating member 11, and these do not come into contact during the opening / closing operation. Therefore, it is possible to obtain an opening / closing device capable of preventing a trouble in appearance such as an abrasion caused by the above and capable of performing a smooth opening / closing operation.

  In the above description, the configuration in which the pre-formed member 11 is sandwiched only between the upper locking portion 3D of the spring 3 and the movable body 2 has been described. However, the fixed body 1 is disposed in the electronic device so as to have an appearance. In the case where the restriction member 11 is sandwiched between the lower locking portion 3E of the spring 3 and the fixed body 1, the present invention can be implemented, and the restriction member 11 is further moved to the upper locking portion 3D. And the movable body 2 and between the lower locking portion 3E and the fixed body 1, respectively.

(Embodiment 2)
A second embodiment of the present invention, particularly the invention according to claim 2 will be described.

  In addition, the same code | symbol is attached | subjected to the part of the structure same as the structure of Embodiment 1, and detailed description is abbreviate | omitted.

  3 is a cross-sectional view of the switchgear according to the second embodiment of the present invention, and FIG. 4 is an exploded perspective view thereof. In FIG. 3, the movable body 2 extends in the left-right direction on the upper surface of the substantially plate-like fixed body 1. It is the same as in the case of Embodiment 1 that it is movably mounted.

  Further, the spring 3 provided with the upper arm portion 3B and the lower arm portion 3C extending from the plurality of winding portions 3A engages the upper and lower locking portions 3D and 3E with the fixed body 1 and the movable body 2 by the pins 10A and 10B, respectively. Similarly to the case of the first embodiment, the movable body 2 is biased leftward or rightward with respect to the fixed body 1 by being stopped.

  Reference numeral 12 denotes a protective member made of resin such as polyoxymethylene. A substantially disk-shaped protective portion 12A is formed in the upper portion, and a substantially cylindrical holding portion 12B is formed in the lower portion. Is pressed and held in the winding portion 3A.

  Furthermore, the diameter of the protective portion 12A of the protective member 12 is formed larger than the diameter of the winding portion 3A, and the protective portion 12A covering the upper surface of the winding portion 3A is opposed to the lower surface of the movable body 2 to open and close. A device 16 is configured.

  As shown in FIG. 5, the opening / closing device 16 configured as described above is mounted on the fixed body 1 and the movable body 2 on the fixed housing 22 and the movable housing 23, respectively. The movable casing 23 is held so as to be movable in the left-right direction to constitute an electronic device, and the movable body 2 attached to the movable casing 23 is moved left or right by hand, thereby Similarly to the case of the first embodiment, 3 biases the movable body 2 leftward or rightward to perform the opening / closing operation of the movable housing 23 with respect to the fixed housing 22.

  During the opening and closing operation, the spring 3 is deformed upward or downward by the force generated in the winding part 3A and the upper and lower arms 3B and 3C, but at this time, Since the protection part 12A covers the upper surface of the winding part 3A, even if the winding part 3A is deformed upward, the soft protection part 12A made of resin makes contact with the lower surface of the movable body 2 made of metal plate. The winding part 3A and the upper arm part 3B made of metal wire do not directly contact the lower surface of the movable body 2.

  That is, by covering the upper surface of the winding portion 3A of the spring 3 with the protection portion 12A of the protection member 12, the winding portion 3A and the upper and lower arm portions 3B and 3C come into contact with the lower surface of the movable body 2 and the lower surface of the movable body 2 is scratched. Etc. are configured so as not to occur.

  Therefore, as shown in the perspective view of FIG. 6, the surface of the lower surface of the movable body 2 that is an appearance portion that can be seen from the back surface in the opened state of the mobile phone is not scratched by the spring 3 due to the opening / closing operation. While preventing problems in appearance, there is no feeling of being caught during operation, and smooth opening and closing operations are possible.

  Thus, according to the present embodiment, the upper surface of the winding portion 3A of the spring 3 is covered with the protective portion 12A of the protective member 12, so that the spring 3 is deformed in the vertical direction when the opening / closing device 16 is opened / closed. However, the protective portion 12A is in contact with the lower surface of the movable body 2 to prevent the appearance of defects such as scratches on the surface of the lower surface of the movable body 2, and can be opened and closed smoothly without feeling of being caught. The device 16 can be obtained.

  Further, by attaching the substantially cylindrical holding portion 12B of the protection member 12 to the winding portion 3A of the spring 3 by press fitting, the protection member 12 can be attached to the spring 3 with one touch, and can be easily assembled. The protective member 12 can be made difficult to come off from the winding portion 3A during the opening / closing operation.

  In the above description, the structure in which the upper surface of the winding part 3A on the movable body 2 side is covered with the protection part 12A of the protection member 12 is described. On the contrary, the protection member 12 is attached from below the winding part 3A. The present invention can be implemented even by press-fitting and covering the lower surface of the winding portion 3A on the fixed body 1 side with the protective portion 12A.

  Further, the substantially cylindrical holding portion 12B is formed so as to be press-fit and fitted, and these two protective members are mounted from the upper and lower surfaces of the winding portion 3A to cover both the upper and lower surfaces of the winding portion 3A and move. Scratches or the like may not be generated on both the lower surface of the body 2 and the upper surface of the fixed body 1.

  In the above description, the protection portion 12A of the protection member 12 is formed in a substantially disk shape and covers the entire surface of the winding portion 3A of the spring 3. However, the protection portion 12A is substantially I-shaped or substantially The present invention can also be implemented by forming the X-shaped or substantially triangular shape and covering a part of the predetermined surface of the winding portion 3A.

  The switchgear according to the present invention can be obtained as a switchgear that can be smoothly opened and closed without being scratched by the switchgear and is useful as a switchgear for various electronic devices.

Sectional drawing of the switchgear by the 1st Embodiment of this invention Exploded perspective view Sectional drawing of the switchgear by the 2nd Embodiment of this invention Exploded perspective view Perspective view of mobile phone Back perspective view of mobile phone Cross-sectional view of a conventional switchgear Exploded perspective view

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Fixed body 2 Movable body 3 Spring 3A Winding part 3B Upper arm part 3C Lower arm part 3D Upper locking part 3E Lower locking part 10A, 10B Pin 11 Restriction member 11A Through-hole 12 Protection member 12A Protection part 12B Holding part 15 16 Opening / closing device 22 Fixed housing 22A Operation unit 22B Audio input unit 23 Movable housing 23A Display unit 23B Audio output unit

Claims (2)

A substantially plate-shaped fixed body, a movable body mounted on the upper surface of the fixed body so as to be movable in a predetermined direction, and upper and lower engaging portions at both ends of an upper and lower arm portion extending from an intermediate winding portion are formed by the movable body. And a spring locked to the fixed body, and at least one of the winding portion and the upper and lower arm portions between the upper locking portion and the movable body or between the lower locking portion and the fixed body. An opening and closing device that sandwiches a regulating member that prevents contact with a movable body or a fixed body. A substantially plate-shaped fixed body, a movable body mounted on the upper surface of the fixed body so as to be movable in a predetermined direction, and upper and lower engaging portions at both ends of an upper and lower arm portion extending from an intermediate winding portion are formed by the movable body. And an opening / closing device comprising a spring locked to the fixed body, wherein at least one of an upper surface or a lower surface of the winding portion of the spring is covered with a protective member.

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