JPH0662573U - Device rattling prevention mechanism - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent the rattling of the device case automatically when the device case is placed on a mounting surface such as a table. [Structure] A unit case 8 provided on a lower surface of an equipment case mounted on the mounting surface 2 has an upper surface 9a with respect to the mounting surface 2.
Is provided with an inclined leg storage section 9, and a leg section 11 protruding and retracting obliquely downward of the device case is slidably arranged in the leg storage section 9 along the upper surface 9a of the leg storage section 9. The leg portion 11 is slid by the spring force of the coil spring 12 so as to be in contact with both the upper surface 9a of the leg portion storage portion 9 and the mounting surface 2. For this reason, when the device case is placed on the placement surface 2, if there is rattling in the device case, the leg portion 11 at that portion is automatically pushed out by the spring force of the coil spring 12, and the leg portion storage portion is provided. It is arranged between the upper surface 9a of 9 and the mounting surface 2 while being in contact with both of them.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a rattling prevention mechanism for equipment such as electronic equipment and office equipment.

[0002]

[Prior art]

 For electronic devices such as personal computers placed on a table, rubber or plastic legs are provided at the four corners of the lower surface of the device case, and the device case is placed on the table by these legs. However, such leg parts cannot prevent rattling of the equipment case due to distortion of the tabletop or equipment case. Therefore, conventionally, the adjusting feet are attached vertically to at least two corners of the lower surface of the equipment case, and the shaking of the equipment case is adjusted by adjusting the screw feet where there is rattling. In addition, the screw feet are provided with a locking nut that locks the screw feet to prevent them from turning freely while preventing rattling of the equipment case.

[0003]

[Problems to be solved by the device]

 However, in such a conventional rattling prevention structure, a tool such as a spanner must be used to adjust the screw legs and nuts, and thus there is a problem that the adjustment work is troublesome. In particular, the screw feet and nuts are provided on the bottom surface of the equipment case, so it may not be possible to insert a tool when the space between the equipment case and the desktop is narrow. In such a case, the adjustment work is extremely troublesome because the screw legs and nuts must be adjusted with the equipment case slightly lifted.

The cause of this is that after the device case is placed on a table, it is necessary to adjust the screw legs and nuts of the device case to prevent rattling of the device case.

If the device case can be automatically prevented from rattling when the device case is placed on a table, the rattling can be done by using a tool such as a spanner or lifting the device case. Not only does it not have to be adjusted, but the adjustment work itself becomes unnecessary.

An object of the present invention is to automatically prevent rattling of the device case when the device case is mounted on a mounting surface such as a tabletop.

[0007]

[Means for Solving the Problems]

 The means of this invention are as follows. (1) A device case mounted on a mounting surface such as a table. For example, cases of electronic devices such as personal computers and word processors, or office equipment such as telephones. (2) A leg storage portion provided on the lower surface of the equipment case with its upper surface inclined with respect to the mounting surface. For example, although it may be provided directly on the lower surface of the device case, it is desirable to provide a unit case on the lower surface of the device case and to provide it on this unit case in order to simplify the structure of the device case. (3) A leg part that is slidably arranged along the upper surface of the leg part storage part and that protrudes and descends obliquely downward of the device case. For example, it is made of rubber or plastic, and its upper surface is parallel to the upper surface of the leg storage section and its lower surface is parallel to the mounting surface. Is in contact with the upper surface of the leg compartment, and the lower surface is formed to have a size slightly protruding from the lower surface of the equipment case. In this case, as the holding means for holding the legs, a supporting shaft that is slidable in parallel with the upper surface of the leg housing is slidably provided in the equipment case, and the legs are attached to the tip of the supporting shaft, or A holding groove is provided on the upper surface of the leg accommodating portion, and the engaging projection of the leg is slidably attached to the holding groove. (4) A leg moving unit that slides the leg to bring it into contact with both the upper surface of the leg storage portion and the mounting surface. For example, the elastic force of an elastic member such as a coil spring slides the leg part diagonally downward of the equipment case to contact both the upper surface of the leg part storage part and the mounting surface, or the leg part is self-weighted. Slides diagonally downward in the equipment case to contact both the upper surface of the leg storage part and the mounting surface, and the frictional force between the upper surface of the leg part and the leg storage part and the mounting surface. The structure is such that the movement of the legs is blocked by the.

[0008]

[Action]

 The operation of the means of this invention is as follows. When the device case is placed on a tabletop or other mounting surface, and if the device case rattles due to distortion of the mounting surface or the device case, the leg part where the rattling occurs is made of elastic material. Due to the elastic force or the weight of the legs, it automatically slides along the upper surface of the legs storage toward the diagonally lower side of the equipment case, and these legs are both the top and the placement surface of the legs storage. It will be placed between the two in a state of being in contact with. Therefore, when the device case is placed on a mounting surface such as a table, it is possible to automatically prevent the device case from rattling.

[0009]

【Example】

 Examples will be described below with reference to FIGS. 1 to 3. 1A and 1B show a laptop-type electronic device. This electronic device can be used by mounting the device case 1 on a mounting surface 2 such as a tabletop. A key input part 3 is provided on the lower lower surface of the device case 1 on the front side (the right side in the figure), and a lid case 4 that covers the key input part 3 is openable and rotatable. Is attached to. The lid case 4 is provided with a display unit 5 for displaying the data input from the key input unit 3 and the processing result thereof. Further, rubber feet 6 are provided on both sides of the lower surface on the rear side (left side in the figure) of the device case 1, and rattling prevention mechanisms 7 are provided on both sides of the lower surface on the front side.

As shown in FIGS. 2 and 3, the rattling prevention mechanism 7 includes a unit case 8 mounted on the lower surface of the device case 1. The unit case 8 is formed in an elongated box shape in the front-rear direction (the left-right direction in FIG. 2) of the device case 1, and is attached to the device case 1 such that the lower surface thereof is flush with the lower surface of the device case 1. As shown in FIGS. 3 (a) to 3 (c), the leg housing 9 is formed in the lower part of the unit case 8 in a state of being inclined with respect to the lower surface of the unit case 8 and the mounting surface 2. Has been done. That is, the upper surface 9a in the leg storage portion 9 is inclined so that the left side is higher and the right side is lower than the lower surface of the unit case 8 and the mounting surface 2. Further, a support shaft 10 is slidably mounted on the rising wall 9b on the left side of the leg housing 9 in a state parallel to the upper surface 9a. The right end of the support shaft 10 projects into the leg housing 9, and a leg 11 is attached to the projecting tip. The leg 11 is made of rubber or plastic, and has a substantially trapezoidal cross section. The upper surface 11a is parallel to the upper surface 9a of the leg housing 9, and the lower surface 11b is the lower surface of the unit case 8 and the mounting surface. It is formed in a shape parallel to 2. The size of the leg 11 is such that the upper surface 11a can slide on the upper surface 9a of the leg storage 9 when it is located at the deepest point of the leg storage 9, as shown in FIG. , And the lower surface 11b is formed so as to slightly project from the lower surface of the unit case 8. A coil spring (elastic member) 12 is provided on the outer peripheral surface of the support shaft 10 between the leg portion 11 and the rising wall 9b of the leg portion storage portion 9 so as to constantly push the leg portion 11 obliquely downward. Has been. A retaining ring 13 is attached to the left end of the support shaft 10.

On the other hand, a lock member 14 is provided in the unit case 8 on the left side of the leg storage section 9. The lock member 14 is composed of a lock pin 15 which is thin on the lower side and thick on the upper side, and a coil spring 16 which constantly urges the lock pin 15 downward. The lower end of the lock pin 15 is inserted into a long hole 10a provided in the support shaft 10, and the lower end of the lock pin 15 is vertically moved into a guide hole 8a provided in the lower surface of the unit case 8, and An upper end portion is vertically movably inserted into a guide hole 8b provided on the upper surface of the unit case 8. In this case, the elongated hole 10a of the support shaft 10 is formed to have a width substantially equal to the diameter of the lower portion of the lock pin 15, and the right end portion of the elongated hole 10a has a diameter substantially equal to that of the step portion 15a in the middle of the lock pin 15. The lock hole 10b is formed continuously with the long hole 10a. The coil spring 16 is arranged between a support ring 17 provided in the upper middle of the lock pin 15 and the upper surface of the unit case 8. Therefore, as shown in FIG. 3A, when the lock pin 15 is located in the lock hole 10b, the stepped portion 15a of the lock pin 15 is inserted into the lock hole 10b by the coil spring 16 so that the support shaft 10 is secured. As shown in FIGS. 3 (b) and 3 (c), when the lower end of the lock pin 15 is pushed up against the spring force of the coil spring 16, the stepped portion 15a of the lock pin 15 locks the hole. The lower part of the lock pin 15 comes out of the upper part 10b and becomes movable in the elongated hole 10a. A ring 18 is provided at the upper end of the lock pin 15 to prevent the lock pin 15 from coming off.

Next, the operation of such a rattling prevention mechanism will be described. In this case, as shown in FIG. 3A, the leg portion 11 is arranged in advance at the deepest portion of the leg portion storage portion 9, that is, on the left side in the leg portion storage portion 9 against the spring force of the coil spring 12. To do. Then, the support shaft 10 moves to the left along with the movement of the leg portion 11, the lock pin 15 of the lock member 14 is positioned in the lock hole 10b of the support shaft 10, and the lock pin 15 also moves. Thus, the step portion 15a in the middle of the lock pin 15 is pushed down and is inserted into the lock hole 10b. As a result, the support shaft 10 is locked with the leg 11 stored in the deepest position of the leg storage 9. At this time, the lower end of the lock pin 15 is most protruded from the lower surface of the unit case 8. When the device case 1 is placed on the mounting surface 2 with the legs 11 thus stored in the leg storage portion 9, the lower end of the lock pin 15 abuts on the mounting surface 2, The mounting surface 2 pushes up the lock pin 15 against the spring force of the coil spring 16, the intermediate step portion 15a of the lock pin 15 is disengaged from the lock hole 10b of the support shaft 10, and the support pin 10 is locked by the lock pin 15. The lock is released. As a result, the leg portion 11 is pushed out by the spring force of the coil spring 12.

At this time, if the mounting surface 2 and the device case 1 are not distorted and the device case 1 mounted on the mounting surface 2 is not loose, the lock pin 15 unlocks the lock. Since the device case 1 is placed on the placing surface 2 immediately before or at the same time when the lock is released, the leg portion 11 abuts on the placing surface 2 without being almost pushed out by the spring force of the coil spring 12. It will be. When the device case 1 mounted on the mounting surface 2 is somewhat loose, the lock pin 15 is in contact with the mounting surface 2 and is pushed up as shown in FIG. 3 (b). Since the equipment case 1 is placed on the placing surface 2, the leg portion 11 has the upper surface 11a of the leg portion 11 along the upper surface 9a of the leg portion accommodating portion 9 due to the spring force of the coil spring 12. The lower surface 11b of the leg portion 11 contacts the mounting surface 2 by being pushed out obliquely downward. In this state, since the leg portion 11 is biased obliquely downward by the spring force of the coil spring, even if the device case 1 is pushed from above, the leg portion 11 does not move diagonally upward. Absent. Therefore, it is possible to prevent rattling of the device case 1 placed on the placement surface 2. Further, when the backlash of the equipment case 1 placed on the placing surface 2 is large, the lower end of the lock pin 15 does not contact the placing surface 2 as shown in FIG. The lock by the lock pin 15 cannot be unlocked just by mounting the device case 1 on the mounting surface 2. However, by rattling the device case 1, the lower end of the lock pin 15 contacts the mounting surface 2. The lock by the lock pin 15 can be released by contacting them. In this way, when the lock by the lock pin 15 is released, the upper surface 11a of the leg portion 11 is directed diagonally downward along the upper surface 9a of the leg portion storage portion 9 by the coil spring 12 as described above. Since the lower surface 11b of the leg portion 11 abuts on the mounting surface 2 by being pushed out, rattling of the device case 1 mounted on the mounting surface 2 can be prevented.

As described above, in this embodiment, by mounting the device case 1 on the mounting surface 2, when the device case 1 has rattling, the legs 11 are automatically connected to the device case 1. It can be pushed out against the mounting surface 2 to prevent rattling of the device case 1. After mounting the device case 1 as in the conventional case, use a tool such as a spanner or lift the device case 1. Not only is there no need to adjust the rattling, it is possible to eliminate the adjustment work itself.

Although the leg 11 is pushed out by the spring force of the coil spring 12 in the above-described embodiment, the present invention is not limited to this. For example, the leg 11 may move along the upper surface 9a of the leg storage 9 by its own weight. When the device case 1 is pushed from above in a slidable downward slidable manner to contact both the upper surface 9a of the leg housing 9 and the mounting surface 2, and the device case 1 is pushed from above in this state, the leg 11 and the leg The structure may be such that the leg portion 11 can be prevented from moving diagonally upward by the frictional force between the upper surface 9a of the portion housing portion 9 and the mounting surface 2. In this case, the inclination angle of the upper surface 9a of the leg storage section 9 is set so that the leg section 11 slides along the upper surface 9a of the leg storage section 9 by its own weight, and the device case 1 is set from above. These friction coefficients may be set so that a frictional force can be applied to the leg 11 and the upper surface 9a of the leg housing 9 and the mounting surface 2 so that the leg 11 does not move diagonally upward when pushed. Good.

[0016]

[Effect of device]

 As described above, according to the present invention, when the device case is placed on a mounting surface such as a tabletop, when the mounting surface or the device case is distorted, the device case may be rattled. Automatically slides along the upper surface of the leg storage section diagonally below the equipment case, and the leg section is placed between the upper surface of the leg storage section and the mounting surface. Therefore, it is possible to automatically prevent rattling of the device case, and after mounting the device case 1 as in the conventional case, use a tool such as a spanner or lift the device case 1 to prevent rattling. Not only does it not have to be adjusted, but the adjustment work itself can be eliminated.

[Brief description of drawings]

1A and 1B are external views of an electronic device when in use, FIG. 1A is a plan view of the electronic device, and FIG.

FIG. 2 is an enlarged plan view of the unit case of the rattling prevention mechanism of FIG. 1 with the upper surface removed.

3A and 3B show an operational state of the rattling prevention mechanism of FIG. 2 taken along the line AA, FIG. 3A is a sectional view showing a state before the device case is mounted on a mounting surface, and FIG. Sectional view when there is some rattling in the equipment case placed on the surface,
(C) is sectional drawing when there is a large rattling in the device case mounted on the mounting surface.

[Explanation of symbols]

 1 Equipment Case 2 Mounting Surface 7 Rattling Prevention Mechanism 8 Unit Case 9 Leg Storage 9a Top of Leg Storage 11 Leg 12 Coil Spring 14 Lock Member

Claims (4)

[Scope of utility model registration request] 1. A device case to be mounted on a mounting surface such as a table, a leg storage portion provided on a lower surface of the device case with its upper surface inclined relative to the mounting surface, and the leg portion. A leg portion that is slidably arranged along the upper surface in the storage portion and that appears in a slanting downward direction of the device case, and a top surface of the leg portion storage portion and the above-described mounting surface by sliding the leg portion. A rattling prevention mechanism for a device, comprising: leg moving means for contacting both. 2. The leg moving means according to claim 1, wherein the leg is slid obliquely downwardly of the device case by an elastic force so that the leg accommodating portion has an upper surface and a mounting surface. A rattling prevention mechanism for equipment, which is an elastic member that contacts both. 3. The leg moving means according to claim 1, wherein the leg is slid toward the lower side of the device case by its own weight so that the leg moves both on the upper surface of the leg storing section and on the mounting surface. A rattling prevention mechanism for a device having a structure in which movement of the leg portion is blocked by a frictional force between the leg portion and the upper surface of the leg portion storage portion and the mounting surface described above. 4. The device case according to claim 1, wherein the device case is locked in a state where the leg portion is accommodated in the leg portion accommodating portion, and the device case is placed on the placing surface. A rattling prevention mechanism for a device, characterized in that a lock member for unlocking the legs is provided.