JP2003338201A - Fitting structure for display device, display device body and bracket - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To save the trouble of attaching and detaching a rotating lamp device to and from a machine. <P>SOLUTION: In the fitting structure 1 for a display device, a base 3 of a display device body 2 is fitted to a bracket 4 as a support. A first member 31 of the bracket 4 has a translucent hole 40. A second member 32 of the base 3 opposes to the first member 31 to provide a shaft member 33. The first and second members 31, 32 can be relatively approached to each other and relatively rotated to fit them to each other. The members can be detached by a reverse operation. A distal end of the shaft member 33 has a thick-diameter portion 34. The translucent hole 40 has an insertion portion 41 for inserting into the thick-diameter portion 34, an arc-like guide groove 42 for guiding the shaft member 33, a pull-out regulating portion 44 for regulating the prevention of pull-out of the thick-diameter portion 34 in an axial direction and a partition groove 48 for forming a cantilever elastic piece 45 with the guide groove 42. The shaft member 33 is prevented from pulling out from the pull-out regulating portion by the elastic force of the elastic piece 45. The prevention of pull-out or release therefrom are automatically made upon attaching or detaching operation to save the trouble thereof. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device such as a rotating light or a flashing light which is attached to a machine body of an automatic machine, a machine tool or the like to indicate the state of the machine tool or the like. In particular, it relates to a display device mounting structure for mounting a display device to a machine body or the like.

[0002]

2. Description of the Related Art For example, a display device is attached to a machine body directly or via a bracket when the machine body is assembled, and is usually arranged so as to protrude from the machine body. When the machine body is unloaded from the factory, the display device may be removed in order to prevent damage to the display device. In the case of removal, the display device is attached to the machine body again at the installation site of the machine body. For this reason, it is required that the mounting structure for a display device does not take much time for attachment and detachment.

Usually, a plurality of bolts are erected on the base of the display device. The bolt is passed through an insertion hole of a bracket fixed to the machine body, and a nut is screwed into the tip of the passed bolt to fix the display device. However, the work of tightening the nut is troublesome. On the contrary, it is also troublesome that the display device is easily detached from the main body of the machine, saving labor. Therefore, an object of the present invention is to solve the above-mentioned technical problems, to provide a mounting structure for a display device, a display device main body, and a bracket, which can prevent the device from falling off and can be easily attached and detached. .

[0004]

The invention according to claim 1 is a display device mounting structure for mounting a base portion of a display device main body to a support portion, wherein one of the base portion and the support portion is provided. A first member provided with a through hole, a second member facing the first member and provided on the other of the base portion and the support portion, and a shaft standing upright on the second member and having a large diameter portion at the tip. A member, the first and second members are disengaged from each other by a first operation of relatively approaching or separating and a second operation of relatively rotating about the attachment center axis.
The through hole of the first member is an insertion / removal portion for inserting / removing the large diameter portion of the shaft member at the time of the first operation, and extends from this insertion / removal portion in an arc shape centered on the attachment center axis line, and is provided at the time of the second operation. A guide groove for guiding the member, and a removal restricting portion provided at an extended end of the guide groove for restricting the large diameter portion of the shaft member from coming off in the axial direction,
A partition groove extending from the guide groove to form a cantilever-shaped elastic piece between the guide groove and the elastic member, and the elastic member causes the shaft member to move from the removal restricting portion toward the insertion / extraction portion. Is suppressed.

According to this invention, in order to attach the base portion to the support portion, the first member and the second member are brought close to each other so that the large diameter portion of the shaft member penetrates the insertion / removal portion, and then the first and second members are attached. By relatively rotating the second member,
It suffices to move the shaft member to the removal restricting portion through the guide groove. Further, by performing the reverse operation while resisting the elastic force of the elastic piece, the first and second members can be separated and the base part can be removed from the support part.

Since the elastic piece can autonomously maintain the state in which the shaft member is arranged in the pull-out regulating portion and is prevented from coming off in the axial direction, the base portion of the display device body is prevented from dropping from the support portion. it can. Moreover, with the operation of engaging both the first member and the second member, it is possible to automatically prevent the shaft member from coming off, and it is not necessary to attach both members. Along with the above-described operation of separating both members, the release operation of the retaining member of the shaft member can be automatically performed, and it is possible to save time and effort when removing both members.

According to a second aspect of the present invention, in the first aspect, a male screw is formed on the shaft member, and the male screw is
It is characterized in that a nut for forming the large-diameter portion is screw-fitted. According to the present invention, the large diameter portion at the tip of the shaft member can be realized at low cost by using the male screw and the nut. According to a third aspect of the present invention, in the second aspect, the nut includes a cap nut. According to the present invention, for example, a cap nut can be used to prevent loosening with a simple structure. Further, the cap nut for preventing damage to the male screw of the shaft member during transportation can be used as it is.

The invention described in claim 4 is based on claims 1 to 3.
In any one of the above, a pair of cam portions engageable with each other are provided so that the first and second members can be brought closer to each other with relative rotation of the first and second members in a predetermined direction. It is characterized by being provided. According to the present invention, it is possible to prevent rattling in the facing direction of the first and second members. A display device main body according to a fifth aspect of the present invention is characterized by having one of a first member and a second member of the display device mounting structure according to any one of the first to fourth aspects. According to the present invention, it is possible to realize a display device main body that can also achieve the effects of the above-described claims.

A bracket for a display device according to a sixth aspect of the present invention has one of the first member and the second member of the mounting structure for a display device according to any one of the first to fourth aspects. To do. According to the present invention, it is possible to realize a bracket for a display device that can also achieve the effects of the above claims. In addition, when the display device bracket has the first member, for example, it can be attached or fixed to an existing display device main body having a specification in which a bolt is installed upright on the base portion without any special device or effort. You can also do it. That is, the configuration of the existing display device body can be used as it is as a part of the new mounting structure.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION A mounting structure for a display device (hereinafter, also simply referred to as a mounting structure) according to an embodiment of the present invention will be described below. FIG. 1 is a partially cutaway front view showing the above-mentioned mounting structure. The main mounting structure 1 includes a display device main body 2 of the display device A.
Is a structure for attaching the base portion 3 of the above to the bracket 4 as the support portion, and the base portion 3 of the display device body 2 is attached to the upper plate 31 (hereinafter also referred to as the first member 31) as the first member of the bracket 4. The lower plate 32 (hereinafter, also referred to as the second member 32) as the second member is mounted and attached. With this mounting structure 1, the display device main body 2 has a simple structure.
Can be easily attached and detached.

The bracket 4 is, for example, a machine body 5
It is formed as a separate body, and has a substantially T-shape that is laterally viewed in a side view. The bracket 4 is screwed and fixed to a mounting portion 6 provided on, for example, a side wall surface of the machine body 5 with a bolt 7. The bracket 4 has a fixed portion 20 fixed along the attachment portion 6 and a receiving portion 21 extending laterally from the fixed portion 20. The receiving part 21 receives the display device main body 2 placed thereon. The receiving portion 21 has a hollow shape having an upper plate 31 as a first member and a lower plate 53 facing the upper plate 31, and a cavity 22 is provided inside the receiving portion 21. The receiving portion 21 and the fixed portion 20 are integrally formed. The bracket 4 may be composed of a plurality of members.

The display device main body 2 accommodates and supports a light source, a reflecting member, a light emission control unit, and the like, which are not shown. The light emission control unit includes, for example, a microprocessor,
In response to an electric signal being applied to the light emission control section from the mechanical device body 5 side, the light source emits light, and the light from the light source is reflected and emitted to the surroundings, whereby information is displayed as light. . The display device main body 2 has a globe formed of a translucent member for transmitting light from a light source, and the above-described base portion 3 that is connected to the globe and supports each portion such as a light source as a structural member. There is. A plurality of shaft members 33 project downward from the lower plate 32 as the second member of the base 3.

The shaft member 33 has a large diameter portion 34 and a small diameter portion 35. For example, a cap nut 28 is locked at the tip of a small diameter portion 35 formed by the shaft portion 25 of the bolt 23, and a large diameter portion 34 is formed at the tip of the shaft member 33 by the cap nut 28. In this mounting structure 1, the upper plate 31 as the first member is formed with a plurality of fork-shaped through holes 40 as shown in FIG. The shaft member 33 corresponding to each through hole 40 of the first member 31 is inserted so that the first and second members 31 and 32 are attached to each other.

Specifically, as shown in FIG. 3B, the first and second members 31 and 32 are relatively close to each other (arrow X).
3) or a first operation of separating them from each other, and as shown in FIG. 3C, relative rotation (arrow Y).
By the second operation (shown by), the first and second members 31 and 32 are disengaged from each other. FIG. 1 corresponds to the engaged state of the first and second members 31 and 32. Through hole 40
Penetrates the first member 31. As shown in the plan view of the bracket 4 of FIG. 2, the through hole 40 is provided for the shaft member 33 during the first operation.
Insertion / removal portion 41 for inserting / removing the large-diameter portion 34, and a guide groove 42 extending from the insertion / removal portion 41 in an arc shape centered on the attachment center axis 30 and guiding the shaft member 33 during the second operation. And the shaft member 33 provided at the extended end 43 of the guide groove 42.
Of the large-diameter portion 34 in the pull-out direction S (axial direction of the shaft member 33 and parallel to the axis 30) (see FIG. 1), and a guide groove And a partition groove 48 extending from 42 through the insertion / removal portion 41 and forming a cantilevered elastic piece 45 between the guide groove 42 and the guide groove 42. Elastic piece 45
Is formed in, for example, a reverse J-shape (FIG. 4).
(See (a) to (c)). By the elastic force of the elastic piece 45,
The movement of the shaft member 33 from the removal restricting portion 44 toward the insertion / removal portion 41 is suppressed.

In this mounting structure 1, as shown in FIG. 3A, first, the bracket 4 is fixed to the mounting portion 6 of the machine body 5 using the bolts 7. Lead wire 8 to bracket 4
Through the central hole 49 (see FIG. 2) of the receiving portion 21. Next, as shown in FIG.
The connector 9 provided at the lead-out end of is connected to the connector 10 provided at the end of the lead wire 8 from the display device body 2. At this time, the receiving portion 2 of the seal member 51 described later
It may be attached to 1.

To mechanically connect the base portion 3 of the display device body 2 to the bracket 4, as shown in FIG.
By the operation of bringing the member 31 and the second member 32 closer to each other (see arrow X), the large diameter portion 34 of the shaft member 33 penetrates the insertion / removal portion 41 (this state is shown in FIG. 4A).
After that, as shown in FIG. 3C, the first and second members 31 and 32 are relatively rotated about the axis 30 (arrow Y).
(Refer to FIG. 4B), the shaft member 33 may be moved to the removal restricting portion 44 through the guide groove 42 (see FIG. 4B).
(See (c)). For example, when viewed from above, the first shown in FIG.
The second member 32 may be rotated clockwise with respect to the member 31 at a predetermined angle. Further, by performing the reverse operation while resisting the elastic force of the elastic piece 45, the first and second members 3
The base 3 can be removed from the bracket 4 by disengaging 1, 32 from each other.

In the attached state, as shown in FIG. 4 (c), the shaft member 33 is disposed in the pull-out restricting portion 44, and the shaft member 33 is arranged.
Since the elastic piece 45 can autonomously maintain the state in which it is prevented from coming off in the axial direction, it is possible to prevent the base portion 3 of the display device body 2 from falling off the bracket 4. Moreover, with the operation of engaging the first and second members 31 and 32, it is possible to automatically prevent the shaft member 33 from coming off, so that it is not necessary to attach both members 31 and 32. Since the removal operation of the retainer of the shaft member 33 can be automatically performed in accordance with the operation of separating the both members 31 and 32, it is possible to save time and trouble when removing the both members 31 and 32.

The insertion / removal section 41, as shown in FIG.
It is aligned with the shaft member 33. Further, the insertion / removal portion 41 is formed to be larger than the large diameter portion 34 of the shaft member 33. The large-diameter portion 34 of the shaft member 33 is arranged apart from the second member 32 so that it can penetrate the first member 31. As shown in FIG. 4B, the width of the guide groove 42 is smaller than that of the small diameter portion 35 of the shaft member 33 in the natural state of the elastic piece 45 that is not elastically deformed. Here, the width of the above-mentioned guide groove 42 is the dimension of the guide groove 42 when measured in the radial direction of the first member 31 formed in a circular shape centering on the axis 30 as described later. Further, in FIG. 4B, the elastic piece 45 in an elastically deformed state is shown by a dashed line, the elastic piece 45 in a natural state is shown by a solid line, and the guide groove 42 of the elastic piece 45 in the natural state is shown. The width W1 and the diameter W2 of the small diameter portion 35 are illustrated. W2> W1.

As shown in FIG. 4C, the withdrawal restricting portion 44
Is smaller than the large diameter portion 34 of the shaft member 33, and the through hole 4
The rear surface 52 of the peripheral edge portion of 0 and the step portion of the large diameter portion 34 of the shaft member 33, for example, the seat surface 29 of the cap nut 28 described later, are engaged to prevent the large diameter portion 34 from coming off. It is preferable that the withdrawal restricting portion 44 has substantially the same size as the small-diameter portion 35, because rattling of the shaft member 33 in the radial direction of the shaft member 33 can be prevented.

As shown in FIG. 2, the through holes 40 are provided at, for example, three places, and the insertion / removal portion 41 to the guide groove 42 are provided.
Extend toward the same side and are arranged at equal intervals around the mounting center axis 30. The shaft member 3 corresponding to each through hole 40
For example, three 3 are provided, and are arranged at equal intervals around the axis 30. The shaft member 33 and the through hole 40 are provided as a pair, and may be provided in two pairs or four pairs other than three pairs.
When a plurality of pairs are provided in this way, the shaft member 33 can be guided along the guide groove 42 of the through hole 40 and autonomously guided around the attachment center axis line 30. At least one pair of the shaft member 33 and the through hole 40 may be provided.

As shown in FIG. 4B, the removal restricting portion 44 is provided adjacent to the base end portion 46 of the elastic piece 45. In this case, the shaft member 33 is attached to the removal restricting portion 44. It is preferable because it is easy to introduce and difficult to remove. That is, the shaft member 3
When 3 is introduced into the guide groove 42 from the insertion / removal portion 41, the tip end portion 47 of the elastic piece 45 is bent with a small amount of deformation so that the shaft member 33 passes, and the shaft member 33 enters the guide groove 42. Can be made. On the other hand, when the shaft member 33 is detached from the pull-out restricting portion 44, the base end portion 46 of the elastic piece 45 is
A large force is required to urge the shaft member 33 to bend with a deformation amount sufficient to allow the shaft member 33 to pass through, and thus the shaft member 33 is difficult to separate.

Further, as shown in FIGS. 4 (a) to 4 (c),
The base end portion 46 of the elastic piece 45 is formed in a curved shape that surrounds the removal restricting portion 44. When the shaft member 33 is put into and taken out of the pull-out restricting portion 44 through the guide groove 42, it is possible to prevent an excessive force from being applied to the base end portion 46 due to the deformation of the elastic piece 45. As the shaft member 33, it is possible to use a dedicated member having a large diameter portion and a small diameter portion.
It is preferable that at least a part of the above is composed of a bolt and a nut, because an inexpensive and durable commercially available product can be generally used.

As shown in FIG. 1, the shaft member 33 has, for example, a bolt 23, a nut 27 and a cap nut 28. The head portion 24 of the bolt 23 is housed inside the display device main body 2, and a predetermined length portion on the tip side of the shaft portion 25 of the bolt 23 projects downward from the second member 32. A male screw 26 is formed over the entire length of the shaft portion 25, and a nut 27 is screwed into the middle portion of the shaft portion 25. The nut 27 is prevented from rotating on the base portion 3. The bolt 23 is fastened and fixed to the base 3 by the head 24 and the nut 27. Shaft 25
A cap nut 28 is screw-fitted to the tip of the. The large diameter portion 34 of the shaft member 33 is constituted by the cap nut 28.
The exposed portion of the shaft portion 25, which is between the cap nut 28 and the nut 27, constitutes the small diameter portion 35.

A male screw 26 formed on at least the tip of the shaft member 33 and a nut screw-fitted to the male screw 26, for example,
The large diameter portion 34 at the tip of the shaft member 33 can be realized at low cost by using the cap nut 28 described above. Further, the male screw 26 of the shaft member 33 can be inserted through the insertion hole of the conventional bracket and fixed with a nut. Further, if the shaft member 33 having the male screw 26 is used, it is possible to make it difficult for the shaft member 33 to come off from the pull-out restricting portion 44.
The nuts that form the large-diameter portion 34 include a normal nut (not shown) through which the shaft portion 25 of the bolt 23 is inserted, and a cap nut 28 that covers the tip of the shaft portion 25.

In particular, as shown in FIG. 1, when the cap nut 28 is used, the cap nut 28 can be prevented from loosening with a simple structure, and the display device main body 2 is prevented from coming off above the bracket 4 due to vibration or the like. Can be achieved reliably. Further, the cap nut 28 for preventing damage to the male screw 26 of the shaft member 33 can be used as it is for fixing the display device body 2. As shown in FIGS. 1 and 2, in the bracket 4, the first member 31
Has a circular shape centered on the attachment center axis 30 in plan view, for example. A tapered side surface portion 36 formed of a conical surface extending obliquely outward and upward from the peripheral edge of the first member 31 is provided. The side surface portion 36 and the first member 31 as the bottom surface portion form a recess. A central hole 49 is formed in the center of the first member 31. The center hole 49 passes through the lead wire 8, the lead wire 8 passes through the inside of the bracket 4, and is introduced through the hole of the mounting portion 6 of the machine body 5.

As shown in FIG. 1, the base portion 3 is formed with a convex portion corresponding to the concave portion of the bracket 4 so as to fit into the concave portion. That is, the second member 32 is formed in a circular shape centered on the attachment center axis 30 in a plan view. Second member 32
A tapered side surface portion 37 formed of a conical surface extending obliquely outward and upward from the peripheral edge is provided. The side surface portion 37 and the second member 32 form a convex portion. When at least one of the side surface portions 36 and 37 is formed as a conical surface, the tapered side surface portion 36,
By aligning 37, the alignment during the first operation is autonomously achieved, and the operation is easy.

As shown in FIGS. 6 and 7, the first
With the relative rotation of the member 31 and the second member 32 in a predetermined direction (see FIG. 3C), the first and second members 31, 3
A pair of cam portions 38, 39 engageable with each other may be provided so that the two can be brought closer together. Here, as the predetermined direction of the above-described relative rotation, the first direction for moving the shaft member 33 from the insertion / removal portion 41 through the guide groove 42 to the removal regulation portion 44 when the base portion 3 is engaged with and mounted on the bracket 4 is used. This is the direction that matches the direction of relative rotation during two operations. In the description of the modified example of the present embodiment, the same components as those described above are designated by the same reference numerals, and different points will be mainly described.

In the example shown in FIG. 6, a pair of cam portions 38, 3
9 is provided on the back surface 52 of the first member 31 and the tip portion of the shaft member 33 through which the through hole 40 is inserted. That is, FIG.
As shown in the bottom view of FIG. 6A and the cross-sectional view of FIG. 6B, a protrusion 54 that protrudes downward is formed on the back surface 52 of the first member 31, and the protrusion 54 is a peripheral edge of the through hole 40. There is an inclined surface 57 along the portion, and this inclined surface 57 serves as one cam portion 38. A start end portion 55 of the inclined surface 57 of the protrusion 54 is arranged near the insertion / removal portion 41 and continuously connected to the back surface 52, and from the start end portion 55 toward the end portion 56 of the inclined surface 57 near the insertion / removal restricting portion 44. As a result, the protrusion amount of the protrusion 54 gradually increases. The other cam portion 39 is a step portion between the large diameter portion 34 and the small diameter portion 35 of the shaft member 33, for example, the cap nut 28.
Of the seat surface 29.

When mounting the base 3 on the bracket 4, the first
By operation, the stepped portion of the shaft member 33 passes through the through hole 40 and the rear surface 5
Move to side 2 (see FIGS. 3B and 3C. FIG. 6B)
Arrow M1). As shown in FIG. 6, the step of the shaft member 33 and the back surface 52 are engaged by the second operation, and the step of the shaft member 33 slides on the inclined surface 57 as the second operation progresses. It moves from the start end 55 toward the end 56 (see arrows M2 and M3 in FIG. 6). Along with this, the shaft member 33 is pulled downward along the axial direction thereof, and the first and second
The members 31 and 32 approach each other. Further, in the example shown in FIG. 6, the protrusions 54 are formed in a substantially U-shape on the peripheral portions on both sides of the guide groove 42 and the insertion / removal restricting portion 44, and the guide groove 42 is formed.
Inclined surfaces 57 are formed on both sides of the protrusion 54, and the top of the protrusion 54, which is the peripheral edge of the insertion / removal restricting portion 44, is formed substantially flat with the maximum protrusion amount. Protrusion 5 that is the peripheral edge of the insertion / removal restricting portion 44
The top part of 4 and the step part of the shaft member 33 are engaged with each other to prevent the slip-off.

Further, as in the example shown in FIG. 7, a pair of cam portions 38 and 39 may be provided in the above-mentioned concave portion of the bracket 4 and the convex portion of the base portion 3 which fits into this concave portion. For example,
As shown in FIG. 7A, a substantially trapezoidal plate-like engaging piece 58 along the side surface portion 36 is provided in the concave portion of the bracket 4, and one end edge of the engaging piece 58 extending in the vertical direction is slanted. It is formed on a downward inclined surface, and this inclined surface constitutes one cam portion 38. In addition, a substantially trapezoidal plate-shaped engaging piece 59 along the side surface portion 37 is provided on the convex portion of the base portion 3, and one end edge of the engaging piece 59 extending in the up-down direction is an inclined surface that is obliquely upward. This inclined surface constitutes the other cam portion 39.

As shown in FIG.
As shown in (a), the engaging pieces 58, 59 are operated by the first operation.
The two move relative to each other in a direction parallel to the axis 30 and approach each other (see arrow N1), and as shown in FIG.
They face each other. By the second operation, the cam portions 38, 39 approach each other (see arrow N2), contact as shown in FIG. 7 (c), and relatively slide along the inclination (see arrow N3). As a result, as shown in FIG. 7D, the first and second members 31, 32 approach each other.

In addition, as the pair of cam portions 38 and 39, the first and second members 31 and 32 are brought closer to each other as the first and second members 31 and 32 are relatively rotated in a predetermined direction. Known configurations that can be engaged with each other can be utilized so that As described above, when the pair of cam portions 38 and 39 illustrated in FIGS. 6 and 7 are provided, the first and second members 31 and 32 are held while preventing rattling in the opposite directions. it can.

Further, the pair of cam portions 38 and 39 illustrated in FIGS. 6 and 7 allows the first and second members 31 and 32 to be formed.
Since they can be brought close to each other, as shown in FIG. 1, when a seal member 51 such as an O-ring or packing interposed between the first and second members 31 and 32 is provided, the sealing action of the seal member 51 And the dust and water droplets from the outside can be further increased inside, for example, between the first and second members 31 and 32, the void 22 inside the bracket 4.
It is preferable because it can be surely prevented from invading the above. Since a dustproof and dripproof structure can be realized in this way, it can be used outdoors. Further, when the lead wire 8 is not exposed to the outside through the space 22 in the bracket 4, it is preferable to improve the dustproof and dripproof performance.

Further, as shown in FIG. 3B, the electrical connection accompanying the attachment / detachment of the display device main body 2 is easily achieved by the pair of detachable connectors 9 and 10 provided on the lead wire 8. . The pair of connectors 9 and 10 is shown in FIG.
In (b), the lead wire 8 is movably supported by the end portion, but it may be fixed to the base portion 3 and the bracket 4 as shown in FIG. In the example shown in FIG. 5, a pair of connectors 9,
10 is a pair of terminals 11, 12 that elastically contact each other.
Have respectively. The pair of terminals 11 and 12 are fixed so as to face the base 3 and the bracket 4, respectively,
With the attachment / detachment operation of the base portion 3 and the bracket 4, the pair of terminals 11 and 12 elastically and automatically release the contact and the connection between the connectors 9 and 10 and the connection can be released. It is also possible to save the trouble of operating.

At least one of the side surfaces 36 and 37 as the above-mentioned inclined surface for centering, the pair of connectors 9,
At least one of 10, the pair of cam portions 38 and 39, and the seal member 51 may be omitted if necessary. Further, as the main mounting structure 1, the first member 31 may be provided on the base portion 3 and the second member 32 may be provided on the bracket 4.
It is also conceivable that the first and second members 31 and 32 are mixed in the base 3 and the bracket 4, respectively. In short, a first member 31 provided in one of the base 3 and the bracket 4 and having a through hole 40, and a second member 31 facing the first member 31 and provided in the other of the base 3 and the bracket 4.
The member 32 and the second member 32 are provided upright and have a large diameter portion 3 at the tip.
4 and the shaft member 33, and each member 3
It is possible to obtain the effect excluding the case where the relationship between 1, 32 and each unit 3, 4 is limited.

For example, the display device main body 2 has one of the first member 31 and the second member 32 of the display device mounting structure 1 to achieve the above-described effects. Also,
The display device bracket 4 can achieve the above-described effects by including one of the first member 31 and the second member 32 of the display device mounting structure 1. Also, FIG.
As shown in FIG.
In the case where the display device bracket 4 is provided, for example, it can be applied to an existing display device main body having specifications in which bolts are provided upright on the base portion, that is, in accordance with the arrangement of the bolts of the existing display device main body, By forming the through hole 40 of the first member 31, it is possible to attach or fix the first member 31 without any special device or effort. That is, the configuration of the existing display device main body can be used as it is as a part of the new mounting structure 1.

As described above, in the main mounting structure 1, the display device main body 2 can be detached from the mechanical device main body 5 without any trouble, so that, for example, when the mechanical device main body 5 is moved, the display device main body 2 is moved. There is no possibility of damaging the display device, and the display device body 2 does not get in the way. In addition, the display device body 2
Is electrically connected via the pair of connectors 9 and 10, it does not take much time. Further, as shown in FIG. 2, the retaining elastic piece 45 can be realized by the two-dimensional structure of the partition groove 48 of the through hole 40, so that the structure can be simplified.

Further, as shown in FIG. 1, it is preferable to apply the main mounting structure 1 between the display device main body 2 and the bracket 4. In this case, the display device body 2 and the bracket 4
Since the brackets can be attached and detached, the bracket 4 can be fixed to the machine device body 5 in a non-detachable manner, and the bracket 4 can be rigidly fixed with a simple structure, which is suitable for a side wall surface of the machine device body 5, for example. The first member 31 of the bracket 4 may be integrally formed with another portion of the bracket 4 other than the first member 31, or may be formed separately from the above-mentioned other portion and fixed to the other portion. The same applies to the case where the bracket 4 is provided with the second member 32. Also, the second of the base 3
The member 32 may be integrated with another portion of the base 3 other than the second member 32, may be fixed as a separate body, and the same applies when the base 3 is provided with the first member 31. is there. Although the shaft member 33 is formed separately from the second member 32, it may be formed integrally with the second member 32.

The support portion may be, for example, the bracket 4 fixed by a known method such as welding, or the bracket 4 attached to the attachment portion 6 provided on another surface such as an upper surface instead of the side wall surface. Good. In addition, a portion corresponding to the bracket 4 is formed integrally with the machine body 5,
It may be a support section. Further, as the mechanical device main body 5 as a support for supporting the bracket 4, a structural member such as an automatic machine, a production facility, or a machine tool can be exemplified. It is also conceivable to use the mounting structure 1 to mount the display device body 2 on a stand as a support body for the display device body 2.

As the lead wire 8, in addition to the signal wire,
It may be a power supply line for supplying power from a power supply circuit on the mechanical device side to a light source, an electric circuit, etc. of the display device. As the display device equipped with the display device main body 2, a known display device such as a rotating light or a blinking light can be used, and in addition to this, a device using subtitles or the like or a speaker for notifying information by an audio signal may be included. Besides, various modifications can be made within the scope of the claims of the present invention.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional front view of a display device mounting structure according to an embodiment of the present invention.

FIG. 2 is a plan view of the bracket of FIG.

FIG. 3 is a schematic diagram showing an attachment operation of the attachment structure for a display device of FIG.

FIG. 4 is a plan view showing the operation of the through hole and the elastic piece shown in FIG.

FIG. 5 is a partial cross-sectional front view showing a modified example of the electrical connection structure.

FIG. 6 is a bottom view of a peripheral portion of a through hole and a shaft member, which are a pair of cam portions, and FIG. 6A is a cross-sectional view taken along line BB of FIG.

7 (a) to (d) schematically show changes in engagement state of a modified example of a pair of cam portions, and (b) to (d) mainly show a pair of engagement pieces. ing.

[Explanation of symbols]

1 Display device mounting structure 2 Display device body 3 Base of display unit 4 Display bracket (support) 26 Male thread of shaft member 28 Cap nuts (nuts) 30 mounting center axis 31 First member 32 Second member 33 Shaft member 34 Large diameter part (tip of shaft member) 38, 39 a pair of cam parts 40 Through hole of the first member 41 Insertion / extraction part 42 guide groove 43 Extension end of guide groove 44 Removal control section 45 elastic piece 48 division grooves S axis direction

Claims (6)

[Claims] 1. A display device mounting structure for mounting a base part of a display device main body to a support part, the first structure having a through hole provided in one of the base part and the support part.
A first member, a second member facing the first member, the second member provided on the other of the base portion and the support portion, and a shaft member standing on the second member and having a large diameter portion at the tip, The two members have a first operation of relatively approaching or moving away from each other, and a second operation of relatively rotating about the mounting central axis.
When the first operation is performed, the through hole of the first member is disengaged from each other, and the through hole of the first member is formed into an insertion / extraction portion for inserting / extracting the large diameter portion of the shaft member. A guide groove that extends and guides the shaft member during the second operation, a removal restricting portion that is provided at an extended end of the guide groove and that restricts a large-diameter portion of the shaft member from coming off in the axial direction, and a guide. A partition groove that extends from the groove and forms a cantilevered elastic piece between the guide groove and the guide groove, and the shaft member moves from the removal restricting portion toward the insertion / extraction portion by the elastic force of the elastic piece. The display device mounting structure is characterized in that 2. The display device mounting structure according to claim 1, wherein a male screw is formed on the shaft member, and a nut for forming a large diameter portion is screw-fitted to the male screw. Mounting structure for display device. 3. The mounting structure for a display device according to claim 2, wherein the nut includes a cap nut. 4. The mounting structure for a display device according to claim 1, wherein the first member and the second member are moved relative to each other in a predetermined direction with respect to each other. A mounting structure for a display device, wherein a pair of cam portions which can be engaged with each other are provided so that they can be brought close to each other. 5. A display device main body comprising one of a first member and a second member of the display device mounting structure according to claim 1. Description: 6. A bracket for a display device, comprising one of a first member and a second member of the mounting structure for a display device according to any one of claims 1 to 4.