JP4091884B2 - Equipment housing structure - Google Patents

Description

  The present invention relates to a structure of a casing that constitutes various devices, and particularly relates to a casing structure of a device that simplifies assembly.

In various devices, a housing is generally configured by combining a plurality of housing components.
Conventionally, in this type of equipment, a structure in which combined housing parts are connected and fixed by screwing is generally used. However, since screwing takes time and the number of parts increases, a plurality of housings have recently been used. Structures for assembling parts by fitting are widely implemented.

  However, an apparatus that employs a housing structure with such a fitting has the advantage of simplifying the assembly, but on the other hand, when a strong impact is applied, the fitting part of the housing part is detached. The housing may be easily disassembled.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to realize a robust device housing structure that is easy to assemble but does not easily disassemble.

In order to achieve the above object, the present invention
In the housing structure of equipment that assembles three housing parts by fitting ,
Provided opposite each other in the first housing part, a pair of first pawl piece constituting the engaging portion of the second housing part, provided opposite each other in the third housing part, A pair of second claw pieces constituting a fitting portion with the second housing component ,
One of the pair of first claw pieces and the pair of second claw pieces has a flange portion protruding outward, and the other of the pair of first claw pieces and pair of second claw pieces protrudes inward. Having a buttock
In a state where the first casing component and the third casing component are fitted to the second casing component, respectively, the surface opposite to the surface from which the flanges of the pair of first claw pieces protrude, and the pair of first The surface on the opposite side of the surface from which the collar portion of the two claw pieces protrudes is opposed to each other so that the pair of first claw pieces functions as a retaining stopper for the pair of second claw pieces.

In the structure according to the present invention, by having a structure assembled by aligning fit the casing parts, not only the assembly of the housing is simplified, the mating portion of the first housing part and second housing part A configuration in which the pair of first claw pieces constituting the pair corresponds to the pair of second claw pieces constituting the fitting portion of the second housing part and the third housing part, and functions as a stopper for the claw pieces. As a result, even if a strong impact is applied, it is difficult for the fitting part of the casing parts to come off, so that it is possible to realize a robust device casing structure that is not easily disassembled.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
In this embodiment, the present invention is applied to a joystick controller which is a control device. FIG. 1 is a perspective view of the joystick controller, FIG. 2 is a perspective view seen from below, and FIG. 3 is an exploded perspective view of the joystick controller. FIG. 4 is an exploded perspective view seen from below.

The joystick controller 1 can obtain an electrical output corresponding to a tilting operation and a shaft rotation operation of the top handle 16.
The housing 2 of the joystick controller 1 is configured by combining a plurality of housing parts, that is, in this example, a disk-shaped base body 4 is combined with a dome-shaped upper case 3 and a box-shaped lower case 5. 2 is configured. In the configuration of this example, the upper case 3 is a first casing component, the base body 4 is a second casing component, and the lower case 5 is a third casing component.

  All of these three casing parts are made of a resin material and are structured to be assembled by fitting. That is, as shown in FIGS. 3 and 4, the upper case 3 has a plurality of claw pieces 6 projecting from the lower periphery of the upper case 3, and these are passed through holes 7 formed in the base body 4. 4 is engaged with the lower surface side of 4. Further, the lower case 5 has a plurality of claw pieces 8 projecting from the upper periphery of the lower case 5, which are engaged with an engaging step portion 9 formed on the base frame portion 4 a on the lower surface side of the base body 4. To fit together.

Further, a circuit board 10 is attached to the lower part of the lower case 5. The circuit board 10 is also assembled by fitting, that is, the hole 12 of the circuit board 10 is engaged and fitted to a plurality of claw pieces 11 projecting from the lower part of the lower case 5.
Furthermore, in this joystick controller, the appearance ring 13 is attached to the upper surface side of the outer peripheral portion of the base body 4 with screws 14.

  The internal structure of this joystick controller will be described with reference to FIGS. First, inside the housing, a base shaft 15 is vertically arranged at the center. The base shaft 15 is supported so as to be tiltable with respect to the housing by a tilt support mechanism, which will be described later, and a central shaft 17 attached to the center of the knob 16 is inserted into and supported by the hollow portion 15 a of the base shaft 15. Has been.

  The upper end 15 b of the base shaft 15 protrudes from the center hole 3 a of the upper case 3, and a sliding plate 18 is attached between the upper case 3 and the knob 16. The sliding plate 18 is formed in a dish shape following the spherical surface of the upper case 3, and a hole portion 18 a at the center thereof is coupled to the upper end portion 15 b of the base shaft 15, and the tilting operation of the base shaft 15 by operating the knob 16. And slide along the spherical surface of the upper case 3.

  In this configuration, the knob 16 is shifted so as to always return to a predetermined shaft rotation position by a return spring mechanism 19 formed between the slider 16 and the slider 18. The base shaft 15 is shifted so as to always return to the vertical neutral position by a return spring mechanism 20 formed between the base shaft 15 and the base body 4.

  The tilt support mechanism that supports the base shaft 15 is configured by a first rotating member 21 that is pivotally supported in a direction orthogonal to the base shaft 15. The first rotating member 21 is configured by combining a pair of split halves 21A and 21B formed in a symmetrical shape, and shaft portions 22 at both ends thereof are provided on the base frame portion 4a of the base body 4. The bearing portion 23 is rotatably supported via a bearing ring 24. The base shaft 15 is connected and supported at the central portion of the first rotating member 21, that is, a shaft convex portion 25 orthogonal to the shaft portion 22 is provided at the central portion of the first rotating member 21. The coupling hole 26 of the base shaft 15 is rotatably coupled to the shaft convex portion 25, whereby the base shaft 15 is supported to be tiltable in an arbitrary direction with respect to the housing.

  Further, a second rotating member 27 is pivotally supported below the first rotating member 21. The second rotating member 27 is horizontally disposed perpendicular to the first rotating member 21, and the shaft portions 28 at both ends thereof are attached to the bearing portion 29 provided on the base frame portion 4 a of the base body 4. 30 is rotatably supported via 30. The shaft portion 28 on one side of the second rotating member 27 is configured by combining a split half body 28A. A central portion of the second rotating member 27 is an arcuate plate portion 27a, and a lower end portion 15c of the base shaft 15 is inserted and engaged with a long hole 27b formed therein.

  In the first and second rotating members 21 and 27, magnets 31 and 32 are incorporated between the split halves in the shaft portions 22 and 28 on one side, and correspondingly on the housing side. Are provided with magnetic detection elements 33 and 34. The magnetic detection elements 33 and 34 are placed and fixed in the receiving recesses 35a and 36a of the holding portions 35 and 36 provided in the lower case 5 of the casing, respectively, and the circuit board 10 is interposed via the flexible wiring boards 37 and 38. Connected to.

  Further, below the first and second rotating members 21 and 27, a fixed side holder 39 is fitted into the lower end portion 15 c of the base shaft 15, and the rotary side holder 40 is screwed into the lower end portion 17 a of the center shaft 17. Is attached by. Here, the rotation side holder 40 is configured to rotate inside the fixed side holder 39, and a magnet 42 is held in the rotation side holder 39, and the magnetic detection element is held in the fixed side holder 39 corresponding thereto. 43 is incorporated. The magnetic detection element 43 is placed and fixed in a receiving portion 39 a provided in the fixed side holder 39, and is connected to the circuit board 10 through the flexible wiring board 44.

  In the joystick controller configured as described above, when the knob 16 is tilted, the first and second rotating members 21 and 27 are rotated according to the operation direction and the operation amount, and the magnets 31 and 32 are thereby generated. Is detected by the magnetic detection elements 33 and 34, an electrical output corresponding to the tilting operation of the knob 16 can be obtained. Further, when the knob 16 is rotated, the magnet 42 attached to the lower end 17a of the central shaft 17 rotates, and the movement is detected by the magnetic detection element 43. Electrical output can be obtained.

This joystick controller has an advantage that the assembling work can be easily performed by forming all the housing parts from a resin material and assembling them by fitting them together.
Further, a more characteristic configuration is employed in the fitting portion of the housing.
The structure of the fitting portion of this housing is shown in FIG. Here, in the fitting portion between the upper case 3 and the base body 4, the claw piece 6 of the upper case 3 is formed with the flange portion 6a at the tip thereof facing outward, and this claw piece 6 is formed in the hole of the base body. The hook 6a is engaged with the lower surface side of the base body 4 and fitted. Further, in the fitting portion between the base body 4 and the lower case 5, the claw piece 8 of the lower case 5 is formed with the flange portion 8 a at the tip thereof facing inward, and the flange portion 8 a of the claw piece 8 is used as the base body 4. In this structure, the base frame 4a is engaged with and engaged with the engaging step 9 of the base frame 4a.

  Here, as clearly shown in the drawing, the claw piece 6 constituting the fitting portion of the upper case 3 and the base body 4 corresponds to the outside of the claw piece 8 constituting the fitting portion of the base body 4 and the lower case 5, The claw piece 8 is configured to function as a retaining stopper. With this configuration, in the joystick controller of this example, even when a strong impact is applied or the like, even if the claw piece 8 of the lower case 5 tends to come off from the engagement step portion 9, the claw piece 6 of the upper case 3 does not move. Since it becomes a wall, the claw piece 8 of the lower case 5 does not come off from the engagement step portion 9, and the fitting state is reliably maintained. Therefore, according to this configuration, a robust housing structure that cannot be easily disassembled can be realized.

In addition, this joystick controller also has a characteristic configuration in the bearing structure of the first rotating member 21 and the second rotating member 27 constituting the rotating mechanism system.
Details of this bearing structure will be described with reference to FIGS. In addition, although the bearing structure of the 1st rotation member 21 is shown here, the bearing structure of the 2nd rotation member 27 is comprised similarly to this.

  In this bearing structure, the bearing ring 24 is fitted into the bearing portion 23 provided in the lower frame portion 4 a of the base body 4, and the shaft portion 22 of the rotating member 21 can be rotated to the bearing portion 23 via the bearing ring 24. Further, in this configuration, the bearing portion 23 is formed with a notch 23a having a part thereof opened downward. Here, the shaft portion 22 is formed in a cross-sectional shape having cutting surfaces 22a and 22b parallel to the peripheral surface thereof, and the notch 23a is smaller than the minimum diameter between the cutting surfaces 22a and 22b of the shaft portion 22. The width is slightly larger and smaller than the outer diameter of the bearing ring 24.

At the time of assembly, first, as shown in FIG. 7A, the shaft portion 22 of the rotating member is inserted into the bearing portion 23 through the notch 23a, and then the bearing ring 24 is inserted as shown in FIG. The bearing unit is assembled by fitting into the bearing portion 23 from the axial direction of the shaft portion 22. Further, in this bearing structure, in a state where the lower case 5 is fitted to the base body 4, the holding portion 35 of the lower case 5 corresponds to the outside of the bearing ring 24, and this functions as a retaining prevention for the bearing ring 24. ing.
Thus, in the joystick controller of this example, the unit can be easily assembled without using screws, and the bearings of the first and second rotating members 21 and 27 can be configured.

  Further, in this joystick controller, when attention is paid to the portion where the magnetic detection elements 33, 34 and 43 are incorporated, the magnetic detection elements 33, 34 and 43 each have two elements, which are incorporated in a stacked state. It is. In this case, the magnetic detection elements 33, 34, and 43 use the same type of elements for the two elements, and are disposed so as to face each other, so that outputs of opposite characteristics can be obtained simultaneously from the two elements. Here, by using different types of elements for the two elements, outputs of different characteristics can be obtained simultaneously from the two elements. In this way, with the joystick controller of this example, various output characteristics can be obtained according to the application.

As described above, the joystick controller of this example has a characteristic configuration everywhere, and the appearance of the joystick controller has a novel shape that is significantly different from that of the conventional joystick controller.
And this joystick controller implement | achieves the simple assembly structure which restrained the use of the screw as much as possible, As a result, it can provide the joystick controller which was cheap and excellent in productivity. Furthermore, since this joystick controller can obtain various output characteristics as described above, it can be widely applied to various uses.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the joystick controller shown in the embodiments and can be widely applied to various devices.

It is a perspective view of the joystick controller which shows the Example of this invention. It is the perspective view seen from the same downward. FIG. It is the same exploded perspective view seen from the bottom. It is a longitudinal cross-sectional view which shows the structure of the fitting part of a housing | casing similarly. It is a front view which shows the bearing structure of a rotation member equally. It is explanatory drawing of the assembly of a bearing unit same as the above.

Explanation of symbols

2 Housing 3 Upper case (first housing component)
4 Base body (second housing part)
5 Lower case (third housing part)
6 Nail pieces 8 Nail pieces

Claims (4)

In the housing structure of equipment that assembles three housing parts by fitting ,
A pair of first claw pieces which are provided opposite to each other on the first housing part and form a fitting portion with the second housing part ;
A pair of second claw pieces provided on the third housing part so as to face each other and forming a fitting portion with the second housing part ;
One of the pair of first claw pieces and the pair of second claw pieces has a flange portion protruding outward, and the other of the pair of first claw pieces and the pair of second claw pieces is Each has a ridge protruding inside,
In a state where the first housing part and the third housing part are fitted to the second housing part, respectively, the surface opposite to the surface from which the flanges of the pair of first claw pieces protrude, characterized in that the hook of the pair of second claw piece by facing the opposite surface of the surface protruding, first pawl of the pair functions as a stopper of the pair of second claw piece The housing structure of the equipment. The pair of first claw pieces protrudes from a lower part of the first casing part, and the pair of second claw pieces protrudes from an upper part of the third casing part,
2. The device housing structure according to claim 1, wherein the first housing component and the third housing component are fitted to the second housing component from opposite sides. 3. The second housing component supports the base shaft so as to be tiltable via a tilt support mechanism, and the first housing component has a through-hole penetrating the upper portion of the base shaft. The housing structure of the device according to claim 2, wherein the upper part of the penetrating base shaft supports the knob. The device casing structure according to claim 1, wherein the first casing component, the second casing component, and the third casing component are formed of a resin material.

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