JPH1027972A - Nonslip metal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a nonslip metal which can be fixed easily and surely while covering the bolt head of a machine body and ensuring airtightness thereof. SOLUTION: The nonslip metal 40 is arranged on the bottom face of a machine body 10 comprising a rib 20 projecting annularly from the bottom face, and a bolt 30 having head 31 located in the rib 20. The nonslip metal 40 is entirely formed of an elastic member to be fitted in the rib 20 wherein a part 41 to be fitted over the head 31 of the bolt 30 located in the rib 20 is provided on one side while a grounding part 42 is provided on the other side and a press fitting part 45 having diameter larger than the inside diameter of the rib 20 is projecting from the outer circumference. Furthermore, a slit is made in the longitudinal direction from the opening of the fitting part 41.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a non-slip device which is disposed on the bottom surface of various devices such as an outdoor communication device or a desktop communication device and is used as a non-slip device. In addition, the present invention relates to a non-slip device capable of ensuring airtightness in a device to which the non-slip device is attached and contributing to improvement of the aesthetic appearance of the device.

[0002]

2. Description of the Related Art In general, various devices such as outdoor communication devices and tabletop communication devices are provided with a non-slip device as a non-slip means on the bottom surface. Here, as this kind of anti-slip device, those shown in FIGS. 6 to 8 have been proposed.

First, in the conventional anti-slip device shown in FIG. 6, an anti-slip device 140 is attached to an annular rib 120 protruding from a bottom surface of a device main body 110 using a bolt 130.

[0004] At the center of the anti-slip device 140, an insertion hole 141 into which the head 131 of the bolt 130 is inserted into the grounding portion side of the bottom surface, and the upper surface of the anti-slip device 140 communicates with the insertion hole 141. The shaft portion 132 of the bolt 130 passes through this through hole 142.

The shaft 132 of the bolt 130 penetrating the non-slip device 140 is screwed into the screw hole 111 on the bottom surface of the device main body 110, so that the non-slip device 14
0 is mounted in a rib 120 protruding from the bottom surface of the device main body 110. The bolt 130
The bolt for fixing the product, which is screwed to the bottom surface of the device body 110, is also used for attaching the slip stopper 140.

Next, the anti-slip device shown in FIG. 7 has a rib 220 protruding from the bottom surface of the device main body 210 and a through hole 211 at the center of the rib 220 in the bottom surface of the device main body 210.
The slip stopper 240 is attached to the bottom surface of the device main body 210 by inserting a fitting portion 241 formed on the upper surface of the slip stopper 240 into the through hole 211.

The anti-slip device 240 has a fitting portion 24 having a cross-shaped slit 242 at the center of the upper surface when viewed from above.
The upper end of the fitting portion 241 is formed in a hook shape facing outward.

According to such an anti-slip device, the fitting portion 241 of the anti-slip device 240 is inserted from below the rib 220 in a state where the insertion portion 241 is narrowed at the center of the slit 242, and the through-hole 21 is penetrated. Since the fitting portion 241 returns to the original shape due to the elasticity of the slip stopper 240, the upper end hook of the fitting portion 241 is engaged with the inside of the bottom surface of the device main body 210.
10.

Further, the anti-slip device shown in FIG. 8 has a rib 32 in which the anti-slip device 340 protrudes from the bottom surface of the apparatus main body 310.
0 by an adhesive tape 341. The upper surface of the anti-slip device 340 is formed in a flat shape.
41 are provided.

According to such a non-slip device, the adhesive tape 341 provided on the upper surface of the non-slip device 340 is adhered to the inside of the rib 320 so that the non-slip device 340 is attached to the bottom surface of the device main body 310. Can be attached.

The ribs 120, 220, and 320 in each of the conventional slip stoppers are provided with the slip stoppers 140, 2 respectively.
It is provided as a cover for protecting the positioning of 40 and 340 and protecting the aesthetics of the device main body, and this can be omitted as appropriate.

[0012] Such a conventional anti-slip device is disclosed in Japanese Unexamined Patent Application Publication No. Sho 64-90593, a method for mounting a non-slip device, a non-slip device for anti-slip disclosed in Japanese Patent Application Laid-Open No. 1-297944, and a Japanese Utility Model Laid-Open No. 1-124738. A non-slip attachment mounting structure for a telephone has been proposed.

[0013]

However, in such a conventional non-slip device, the top surface of the non-slip device is directly attached to the bottom of the device. For this reason, in order to secure the flatness and stability when the device is installed on a desk or the like, the conventional anti-slip device must ensure the flatness of the top surface of the anti-slip device and the The bottom must always have a portion having a certain flatness for mounting the anti-slip device, and there is a problem in that design restrictions are large and production costs increase.

In general, in various devices having a non-slip device, a bolt for fixing a product is screwed to a bottom surface of the device main body. However, among the above-mentioned conventional non-slip devices, those shown in FIGS. 7 and 8 have the non-slip device attached to the bottom plate by means other than the product fixing bolt. Therefore, in such a non-slip device,
The attachment of the non-slip device to the bottom of the device has been performed at a position different from the attachment position of the fixing bolt.

Therefore, in such a non-slip device, as shown in FIG. 9, it is necessary to secure a mounting space dedicated to the non-slip device different from the fixing bolt to form a rib or the like. As for the fixing bolt, the bolt head will be exposed on the bottom side of the equipment unless additional ribs, etc. are provided, which will increase the restrictions on product design, increase the production cost, and improve the aesthetics of the product. There was also a problem of spoiling.

Further, in the anti-slip device shown in FIGS. 6 and 7, a through hole through which a bolt or an anti-slip device is inserted is formed in the bottom surface of the device. Etc. were not provided. For this reason, there is a possibility that water droplets or the like may enter the inside of the device main body through the through hole.

The present invention has been proposed in order to solve the problems of the prior art, and it is possible to easily and surely attach the anti-slip device, thereby improving workability and reliability. To provide a non-slip device that covers and hides the heads of the fixing bolts of the product body, and at the same time, secures airtightness with the outside to improve the beauty of the product appearance and safety. With the goal.

[0018]

According to a first aspect of the present invention, there is provided a non-slip device having an annular rib protruding from a bottom surface thereof, and a head portion located in the rib. A non-slip device provided on a bottom surface of a device main body having a bolt, the whole being formed of an elastic member capable of being fitted into the rib, and a head of the bolt located on one side in the rib. And a grounding portion on the other side.

In the slip stopper according to a second aspect of the present invention, the fitting portion is formed by a clamp having a hook-like vertical cross section with an upper portion protruding inward.

The slip stopper according to a third aspect of the present invention has a configuration in which a slit is formed in a longitudinal direction from an opening of the fitting portion.

Further, the anti-slip device according to claim 4 of the present invention has a configuration in which a press-fit portion having a diameter larger than the inner diameter of the rib is protruded on the outer periphery.

According to the anti-slip device of the present invention having such a configuration, when the anti-slip device is attached to the rib of the device body, no tool or positioning jig is used at all, and At the position of the bolt that fixes the body,
At the same time, the mounting position of the non-slip device is also determined, so that the bolt and the non-slip device can be mounted by a common rib. This eliminates the need to separately provide a mounting means for mounting the anti-slip device on the bottom surface of the device main body.

That is, since the non-slip device is mounted using the bolt 30 for fixing the product of the device main body, it is not necessary to ensure the flatness of the fixing surface of the anti-slip device to the device main body. In mounting the anti-slip device, there is no need to provide a new plane space or a mounting hole on the device body side.

Further, since the head of the bolt is completely housed in the fitting portion of the non-slip device, the bolt is not exposed, and there is no risk of impairing the appearance of the conventional product.

Further, since the press-fitting portion of the anti-slip device is closely pressed against the inner wall of the rib, the gap between the anti-slip device and the rib is securely filled, and rattling after mounting the anti-slip device is prevented. At the same time, the intrusion of water droplets and the like from the outside into the device body is also prevented. Thereby, the airtightness of the device main body is achieved, and the reliability and safety of the product are ensured.

[0026]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an overall perspective view of a non-slip device according to an embodiment of the present invention, FIG. 2 is a front view of the non-slip device of the present embodiment shown in FIG. 1, and FIG. It is a principal part sectional front view of a slip stopper. FIG. 4 is a cross-sectional front view of a main part showing a state in which the anti-slip device of the present embodiment is attached to a device main body. FIG. 5 is a bottom view showing the entire device main body to which the slip stopper of the present embodiment is attached.

As shown in these figures, the slip stopper according to the present embodiment comprises a rib 20 protruding from the bottom surface of the device main body 10, a bolt 30 for fixing a product screwed to the device main body 10, and a rib. A non-slip device 40 is press-fitted into the bolt 20 and fitted to the head 31 of the bolt 30.

The rib 20 is annularly protruded from the bottom surface of the device main body 10, and a screw hole 11 penetrating the bottom surface of the device main body 10 is formed at the center. In addition, this screw hole 11
Has an annular protrusion 12 formed along the periphery of the rib 20 side, and serves as a spacer for the bolt 30. The rib 20 is a mounting means for the anti-slip device 40,
In the present embodiment, as shown in FIG.

The bolt 30 is a bolt for fixing a product, which is screwed to the bottom surface of the device body 10,
Is also a fixing means. As shown in FIG. 4, the bolt 30 penetrates and screws into the screw hole 11 formed in the center of the rib 20, and the head 31 has the screw hole 1.
1 and is located in the rib 20 in contact with the protruding portion 12.

The anti-slip device 40 is an elastic member fitted into the rib 20, and the bolt 30 located in the rib 20.
Is formed in a hollow shape having a fitting portion 41 opened on the upper surface at the center, and a ground portion 42 grounded on a desk or the like on which the device body 10 is installed. ing.

The outer periphery of the fitting portion 41 has a tapered shape in which the whole is formed to have a smaller diameter than the rib 20, and the opening edge at the upper end of the fitting portion 41 has a smaller diameter than the head 31 of the bolt 30. It is formed. In the present embodiment, a hook-shaped clamp 43a protruding inward from the opening edge of the fitting portion 41.
The entire side surface of the anti-slip device 40 constituting the wall portion of the fitting portion 41 is configured as a clamper 43 that holds and fits the head portion 31 of the bolt 30.

Further, a plurality of slits 44 are formed in the clamper 43 along the longitudinal direction from the opening edge. In the present embodiment, four slits 44 are formed at intervals of 90 degrees when viewed from above as shown in FIG.

On the other hand, below the outer periphery of the slip stopper 40,
A press-fit portion 45 having a diameter larger than the inner diameter of the rib 20 is formed to protrude annularly, and the press-fit portion 45 is pressed against the inner wall of the rib 20 so that the slip stopper 40 fits into the rib 20. It is supposed to be. This press-fitting part 45
In order to facilitate press-fitting into the rib 20, as shown in FIG. 3, the longitudinal section is formed in a semicircular shape.

The slip stopper 40 having such a structure is integrally formed of an elastic material such as synthetic rubber or synthetic resin.

Next, a description will be given of a method of attaching the slip stopper of the present embodiment having such a configuration. First, the bolt 30 is inserted into the rib 20 from below the device main body 10, and the shaft portion 32 is screwed into the screw hole 11 to be fixed to the bottom surface of the device main body 10.

At this time, the head 31 of the bolt 30 abuts on the protrusion 12 around the screw hole 11 and does not directly contact the bottom surface of the device body 10. As shown in FIG. 4, the bolt 30 is fastened to the screw hole 11 with a washer 33 having a larger diameter than the head 31.

Next, the non-slip device 40 is fitted into the rib 20 from below the device main body 10. Here, as shown in FIG. 3, the clamper 43 of the slip stopper 40 has a tapered shape inclined inward, and the opening edge of the fitting portion 41 is larger than the outer diameter of the head 31 of the bolt 30. Since it has become smaller, the non-slip device 40 is inserted through the opening of the fitting portion 41 into the bolt 30.
4, the clamper 43 opens outward due to the elasticity of the slip stopper 40, and the bolt 3
The zero head 31 is fitted into the fitting portion 41.

Further, due to the elastic force of the clamper 43, the inner wall of the fitting portion 41 slides on the head 31 of the bolt 30 to serve as a guide surface in the insertion direction.
It functions as a clamper for holding 1.

Further, as shown in FIG.
Is a form that falls down in the direction of the inner fitting portion 13, and the clamp 17 is provided inward. Further, since the slits 44 are formed in the clamper 43, the clamper 43 has an appropriate restoring force. , The bending allowance is increased, and the holding force required for preventing the falling off can be obtained.

Thus, the fitting portion 41 can be easily fitted into the head of the bolt 30, and after the fitting, the clamp 43 a of the clamper 43 strongly holds the head 31 and the washer 33 of the bolt 30. Because of the pinching, the holding force in the direction in which the anti-slip device 40 comes out of the head 31 of the bolt 30 increases, and the anti-slip device 40 does not easily fall off.

On the other hand, the rib 2
Since the press-fit portion 16 having an outer diameter larger than the inner diameter of 0 and a semicircular cross-sectional shape is provided, as shown in FIG.
In this state, the press-fit portion 45 bends inward, and the elastic force of the press-fit portion 45 makes close contact with the inner wall of the rib 20 while being pressed against the inner wall.

Thus, the slip stopper 4 in the rib 20
A value of 0 prevents rattling and the like, and also prevents water droplets and the like from entering the inside of the device body 10 from the outside via the screw hole 11. Since the press-fitting portion 45 has a semicircular cross-sectional shape, it can be easily inserted into the rib 20.

In this embodiment, the bolt 30
A washer 33 having a diameter larger than that of the head 31 is interposed between the bolts 30 to prevent the slip stopper 40 from dropping off. However, the washer 33 is omitted, and the slip stopper 40 is directly attached to the head 31 itself of the bolt 30. They may be fitted. In this case, a bolt 30 having a head 31 with a diameter similar to that of the washer 33 shown in FIG. 4 is used.

According to the non-slip device of the present embodiment, when the non-slip device 401 is attached to the rib 20 of the device main body 10, no tool or positioning jig is used at all. As shown in FIG. 5, at the position of the bolt 30 for fixing the device body 10,
Since the attachment position of 0 is also determined, the bolt 30 and the non-slip device 40 can be attached by the common rib 20. Thus, it is not necessary to separately provide an attaching means for attaching the non-slip device 40 to the bottom surface of the device main body 10.

That is, since the non-slip device 40 is mounted by using the bolt 30 for fixing the product of the device main body 10, the flatness of the fixing surface of the non-slip device 40 to the device main body 10 is ensured. There is no necessity, and there is no need to provide a new plane space, a mounting hole, or the like on the device body 10 side at the time of mounting the anti-slip device 40.

Further, since the head 31 of the bolt 30 is completely accommodated in the fitting portion 41 of the anti-slip device 40, the bolt 30 is not exposed, and the appearance of the conventional product may be impaired. Nor.

Further, since the press-fitting portion 45 of the anti-slip device 40 is closely pressed against the inner wall of the rib 20, the anti-slip device 4
The gap between the ribs 0 and the ribs 20 is securely filled, and the slip stopper 4
In addition to preventing rattling after the mounting of No. 0, intrusion of water droplets or the like from the outside into the device main body 10 is also prevented. Thereby, the airtightness of the device main body 10 is achieved, and the reliability and safety of the product are ensured.

[0048]

As described above, according to the non-slip device of the present invention, the non-slip device can be easily and reliably mounted, the workability and reliability are improved, and the product main body is fixed. Cover and hide the head of the bolt
The airtightness with the outside can be ensured, and the appearance of the product and the safety can be improved.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a non-slip device according to an embodiment of the present invention.

FIG. 2 is a front view showing an embodiment of the anti-slip device of the present invention.

FIG. 3 is a cross-sectional front view of a main part showing an embodiment of the antiskid device of the present invention.

FIG. 4 is a cross-sectional front view of a main part in a state where the anti-slip device according to one embodiment of the present invention is attached to a device main body.

FIG. 5 is a bottom view showing the entire device main body to which the slip stopper of one embodiment of the present invention is attached.

FIG. 6 is a cross-sectional front view of a main part in a state where a conventional non-slip device is attached to a device main body.

FIG. 7 is a cross-sectional front view of a main part in a state in which another conventional non-slip device is attached to a device main body.

FIG. 8 is a cross-sectional front view of a main part in a state where another conventional non-slip device is attached to a device main body.

FIG. 9 is a bottom view showing the entire device main body to which a conventional anti-slip device is attached.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Device main body 11 ... Screw hole 12 ... Protrusion 20 ... Rib 30 ... Bolt 40 ... Slip stopper 41 ... Fitting part 42 ... Grounding part 43 ... Clamper 44 ... Slit 45 ... Press-fit part

Claims (4)

[Claims] 1. A non-slip device having a rib protruding annularly on a bottom surface and a head portion provided on a bottom surface of a device body provided with a bolt located in the rib, It is formed of an elastic member that can be fitted in the rib, and has a fitting portion opened on the upper surface that fits on the head of the bolt located in the rib on one side, and has a grounding portion on the other side. A non-slip device comprising: 2. The non-slip device according to claim 1, wherein the fitting portion is formed by a clamp having a hook shape with a vertical section and an upper portion protruding inward. 3. The non-slip device according to claim 1, wherein a slit is formed in a longitudinal direction from an opening of the fitting portion. 4. The anti-slip device according to claim 1, wherein a press-fit portion having a diameter larger than the inner diameter of the rib is projected from an outer periphery.