WO2011099066A1

WO2011099066A1 - Angle setting device, signal indication light unit, and illuminator unit

Info

Publication number: WO2011099066A1
Application number: PCT/JP2010/000834
Authority: WO
Inventors: 博文清水; 佳子上村
Original assignee: 株式会社パトライト
Priority date: 2010-02-10
Filing date: 2010-02-10
Publication date: 2011-08-18
Also published as: CN102667331A; JP5448007B2; JPWO2011099066A1

Abstract

Disclosed is an angle setting device (4) having a first member (21) and a second member (22), which are coupled in a coupling direction (D1) parallel to a predetermined axis (C1), an annular seal (23) which defines a sealed space (24) between the first member (21) and the second member (22), and fastening members (25) which fasten the first member (21) with the second member (22) on the outer side of the annular seal (23) in the radial direction. The first member (21) is comprised of a first annular teeth row (27). The second member (22) is comprised of a second annular teeth row (28) which meshes with the first annular teeth row (27). The first annular teeth row (27) and the second annular teeth row (28) are annularly arranged about the predetermined axis (C1), and can be meshed at a predetermined rotational position in a circle about the predetermined axis (C1). The first annular teeth row (27) and the second annular teeth row (28) are arranged within the sealed space (24).

Description

Angle fixing device, signal indicator light unit and lighting device unit

The present invention relates to an angle fixing device that fixes an attachment angle of a signal indicator lamp, a lighting device, or the like in an adjustable manner. The present invention also relates to a signal indicator lamp unit and an illumination device unit that include the angle fixing device described above.

Signal indicators are installed, for example, in automatic machines, production lines, parking lots, and dangerous places, and signal notifications are provided by light from the light source for various conditions such as material shortages, clogged workpieces, full cars, and dangers. To do. The signal indicator lamp unit includes the signal indicator lamp described above and the angle fixing device described above for attaching the signal indicator lamp to an attachment target, for example, an automatic machine.
The angle fixing device of Patent Document 1 has a first member fixed to an automatic machine or the like, and a second member to which a signal indicator lamp is fixed. A space between the first member and the second member is sealed. The first member and the second member define a sealed space for passing the signal indicator wiring.

The first and second members are rotatable relative to each other around a predetermined axis. That is, the first and second members whose relative rotation angles are adjusted are coupled to each other. The first annular tooth row of the first member and the second annular tooth row of the second member are arranged in an annular shape centered on the predetermined axis and centered on the predetermined axis It is possible to mesh with each other at a required relative rotational position. In Patent Document 1, the first annular tooth row and the second annular tooth row are arranged to be exposed outside the sealed space.

German utility model DE202008004113U1 specification

In patent document 1, since the 1st and 2nd annular tooth row is exposed outside, it deteriorates at the time of use, it is easy to break, and durability of an angle fixing device is low.
In particular, when the first and second annular dentitions exposed to the outside are formed of a synthetic resin, the synthetic resin is easily affected by external ultraviolet rays, oil, etc. In addition, the durability of the second annular dentition and thus the durability of the angle fixing device are further reduced.

Also, the same problem exists in the lighting device unit.

An object of the present invention is to provide an angle fixing device, a signal indicator lamp unit, and a lighting device unit having high durability.
To achieve the above object, according to one aspect of the present invention, a first member (21; 21A) and a second member (22;) coupled in a coupling direction (D1) parallel to a predetermined axis (C1). 22A), an annular seal (23) defining a sealed space (24; 24A) between the first member (21; 21A) and the second member (22; 22A), and the annular seal (23) An angle fixing device (4; 4A) comprising a fastening member (25) for fastening the first member (21; 21A) and the second member (22; 22A) outward in the radial direction is provided. The first member (21; 21A) includes a first annular tooth row (27), and the second member (22; 22A) is a second meshing mesh with the first annular tooth row (27). Of annular teeth (28). The first annular tooth row (27) and the second annular tooth row (28) are arranged in an annular shape centered on the predetermined axis (C1) and centered on the predetermined axis (C1). Can be engaged at a required relative rotational position. The first annular tooth row (27) and the second annular tooth row (28) are arranged in the sealed space (24; 24A).

According to this aspect, since the first and second annular dentitions are protected in the sealed space, both annular dentitions can be prevented from being deteriorated or damaged during use. As a result, the durability of the angle fixing device can be improved. In particular, even when the first and second annular dentitions are formed of a synthetic resin, the above-mentioned synthetic resin is prevented from being deteriorated due to the influence of external ultraviolet rays or the like, so that sufficient durability as an angle fixing device is ensured. it can.

Moreover, when the said 2nd member (22; 22A) has the cyclic | annular seal accommodation groove | channel (50) which accommodates the said annular seal (23), it is preferable at the following points. That is, since the sealing performance and durability of the annular seal are improved, it is possible to reliably seal between the first and second members over a long period of time. As a result, the durability of the angle fixing device can be further improved.
When the first member (21; 21A) includes an annular first fitting protrusion (54) that fits into the inlet (501) of the seal housing groove (50), the following points are obtained. preferable. That is, the gap between the first and second members can be more reliably sealed. Further, the radial load from one of the first and second members to the other (for example, a signal attached to one of the first and second members) by the seal receiving groove and the fitting portion of the first fitting protrusion. Since the weight of the indicator lamp can be received, the load applied to the first and second annular dentitions can be reduced. Therefore, the durability of the angle fixing device can be further improved.

The second member (22; 22A) includes an annular second fitting protrusion (61) fitted to the inner periphery (56) of the first fitting protrusion (54). In the case where a part (52) of the seal housing groove (50) is defined by the outer periphery (62) of the two fitting protrusions (61), the following points are preferable. That is, the gap between the first and second members can be more reliably sealed. In addition, since the radial load can be received by the seal receiving groove and the fitting portion of the first fitting protrusion and the fitting portions of the first fitting protrusion and the second fitting protrusion, the angle is fixed. The entire device can receive a larger radial load.

Moreover, when the said 2nd annular tooth row | line | column (28) is formed in the said 2nd fitting protrusion (61), it is preferable at the following points. That is, the angle fixing device can be reduced in size. Further, when an excessive torque is applied around a predetermined axis, the deformation of the second annular tooth row radially outward is suppressed by the first fitting protrusion. As a result, it is possible to prevent the second annular tooth row from being damaged.
The first member (21; 21A) includes an annular third fitting protrusion (65) fitted to the inner periphery (63) of the second fitting protrusion (61). An annular fitting groove (66) for fitting with the second fitting protrusion (61) is defined between one fitting protrusion (54) and the third fitting protrusion (65). If it is, it is preferable in the following points. That is, an even greater radial load can be received. Further, when an excessive torque is applied around a predetermined axis, deformation of the second annular tooth row radially inward is suppressed by the third fitting protrusion. As a result, it is possible to prevent the second annular tooth row from being damaged.

In the signal indicator lamp unit (1) that can fix the mounting angle (A0) of the signal indicator lamp (2) using the angle fixing device (4), the following is preferable. That is, one (21) of the first member (21) and the second member (22) includes a base (34) fixed to the attachment target (3). The other (22) of the first member (21) and the second member (22) includes a fitting tube (44) for fitting the end (201) of the signal indicator lamp (2). Yes. In this case, it is possible to realize a signal indicator lamp unit that can be adjusted in position and has high durability. Moreover, a signal indicator lamp can be easily attached to an attachment object by using a base and a fitting cylinder.

Such a signal indicator unit preferably has the following configuration. That is, the mounting bolt (68) for attaching the signal indicator lamp (2) is locked to the bottom (441) of the fitting tube (44). The one (21) of the first member (21) and the second member (22) faces the direction (D2) in which the mounting bolt (68) is pulled out, and the mounting bolt (68) is pulled out. It includes a retaining portion (69) to prevent. In the case of having the above-described configuration, it is possible to prevent the mounting bolt from falling off, and thus it is possible to prevent the signal indicator lamp from falling off from the fitting tube.

Moreover, it is preferable that the signal indicator unit described above has the following configuration. That is, the base (34) is provided with an insertion hole (37) for inserting a fixing member (36) for fixing the base (34) to the attachment target (3). When the mounting angle (A0) is within the predetermined range (A2), the extension line (C4) of the axis (C3) of the insertion hole (37) is connected to the first member (21) and the second So as not to interfere with the member (22). In this case, the base can be attached to the attachment object in a state where the first and second members are assembled to each other.

In the lighting device unit (100) that can fix the mounting angle (A10) of the lighting device (101) using the angle fixing device (4A), the following is preferable. That is, one of the first member (21A) and the second member (22A) (22A) is the main body (102) of the lighting device (101). The other (21A) of the first member (21A) and the second member (22A) includes a base (34) fixed to the attachment target (3). In this case, a highly durable lighting device unit that can be adjusted in position can be realized. In addition, since one of the first member and the second member is the main body of the lighting device, the structure of the lighting device unit can be simplified.

In addition, although the alphanumeric characters in the parentheses indicate reference numerals of corresponding components in the embodiments described later, the scope of the claims is not limited by these reference numerals.

Fig.1 (a) is a schematic diagram of schematic structure of the signal indicator lamp unit containing the angle fixing device of one Embodiment of this invention, FIG.1 (b) is a signal by the angle fixing device of Fig.1 (a). It is a schematic diagram which shows the adjustment range of the attachment angle of an indicator lamp. FIG. 2 is a cross-sectional view taken along the line II-II in FIG. It is a disassembled perspective view of the angle fixing device of Fig.1 (a). It is a side view of an angle fixing device. 5A is a side view of the first member, FIG. 5B is a front view of the first member, and FIG. 5C is Vc-Vc of FIG. 5A. It is sectional drawing of a cross section. 6 (a) is a front view of the second member, FIG. 6 (b) is a side view of the second member, and FIG. 6 (c) is VIc-VIc of FIG. 6 (b). It is sectional drawing of a cross section, FIG.6 (d) is an enlarged view of the seal | sticker accommodation groove | channel of FIG.6 (c). FIG. 3 is an enlarged view of a portion VII in FIG. 2. FIG. 8A is a partial cross-sectional view of the mounting bolt and the like in a normal state where the mounting bolt is not pulled out, and FIG. 8B is a mounting bolt and the like in a state where the mounting bolt is prevented from being pulled out. FIG. FIG. 9A is a front view of the second member, the signal indicator lamp, and the like in the first step when the signal indicator lamp unit is attached, and FIG. 9B is the second step of attachment. FIG. 9C is a front view of the angle fixing device and the like in the third step of attachment. It is a top view of an angle fixing device. It is a front view of the angle fixing device in a state where the angle can be adjusted. It is sectional drawing of the annular seal, the 1st annular tooth row, the 2nd annular tooth row, etc. of the angle fixing device in the state where angle adjustment is possible. FIG. 13A is a side view of the lighting device unit, and FIG. 13B is a front view of the lighting device unit. It is a partial exploded perspective view of an illuminating device unit. It is sectional drawing of the pole of a signal indicator lamp.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig.1 (a) is a schematic diagram of schematic structure of the signal indicator lamp unit containing the angle fixing device of one Embodiment of this invention, FIG.1 (b) is a signal by the angle fixing device of Fig.1 (a). It is a schematic diagram which shows the adjustment range of the attachment angle of an indicator lamp. FIG. 2 is a cross-sectional view taken along the line II-II in FIG. Referring to FIG. 1A, a signal indicator lamp unit 1 includes a signal indicator lamp 2 as an attached device, and an angle fixing device that attaches the signal indicator lamp 2 to a machine body 3 as an attachment target so that the angle can be adjusted. 4. The signal indicator lamp 2 emits an optical signal indicating various information to the surroundings.

In the present embodiment, the angle fixing device 4 will be described according to the signal indicator lamp unit 1. The angle fixing device 4 will be described on the case where the angle fixing device 4 is attached to the upper surface as the attachment surface of the machine body 3, but the angle fixing device 4 can also be attached to the side surface of the machine body 3. Further, the attachment target may be an inner wall of a building.
With reference to FIG. 1 (a) and FIG. 2, in this embodiment, the signal indicator lamp unit 1 can fix the attachment angle A0 of the signal indicator lamp 2 using the angle fixing device 4. FIG. As will be described later, the angle fixing device 4 includes a first member 21 fixed to the machine body 3 and a second member 22 to which the signal indicator lamp 2 is fixed. The first member 21 and the second member 22 are fastened by a bolt 25 in a direction along a predetermined axis C1. When the fastening is released, the first member 21 and the second member 22 can be rotated relative to each other about the predetermined axis C1, and thereby, the mounting angle A0 of the signal indicator lamp 2 can be rotated about the predetermined axis C1. Can be adjusted. Moreover, the attachment angle A0 of the signal indicator lamp 2 can be fixed in the fastening state.

1A and 1B, the attachment angle A0 is, for example, an angle formed between a parallel surface H1 with respect to the attachment surface to be attached and the central axis C2 of the signal indicator lamp 2. The attachment angle A0 is set stepwise within the angle range A1. FIG. 1A shows a case where the attachment angle A0 is 90 degrees. FIG. 1B illustrates the central axis C2 of the signal indicator lamp 2 when the mounting angle A0 is 180 degrees and when the mounting angle A0 is 0 degrees.

The signal indicator lamp 2 has a long bar shape in one direction. The signal indicator lamp 2 includes a signal indicator lamp body 10 and a pole 11 that supports the signal indicator lamp body 10.
The signal indicator lamp 2 is electrically connected to an external control unit 13 by an electric wire 12. The control part 13 is arrange | positioned inside the machine main body 3, for example. The control unit 13 supplies power to the signal indicator lamp 2. The control unit 13 controls the light emission of the signal indicator lamp 2 by sending an electric signal to the signal indicator lamp 2. For example, the signal indicator lamp 2 can be turned on or off, or the light can be blinked.

The signal indicator main body 10 accommodates a plurality of light sources 14 and a circuit board 15 electrically connected to each light source 14. At least a part of the signal indicator main body 10 has translucency. Note that at least one light source 14 is sufficient. The circuit board 15 is electrically connected to the external control unit 13 via the electric wire 12. The electric wire 12 passes through the inside of the pole 11, the inside of the angle fixing device 4, and the inside of the machine main body 3.

The pole 11 has a cylindrical shape. One end of the pole 11 with respect to the axial direction of the pole 11 is connected to the end of the signal indicator lamp body 10. The other end of the pole 11 with respect to the axial direction of the pole 11 is connected to the angle fixing device 4.
FIG. 3 is an exploded perspective view of the angle fixing device 4 of FIG. 2 and 3, the angle fixing device 4 includes a first member 21 and a second member 22 that are coupled to each other in the coupling direction D1. The above-described coupling direction D1 is a direction parallel to the predetermined axis C1.

Further, the angle fixing device 4 has an annular seal 23. The annular seal 23 is interposed between the first member 21 and the second member 22, and defines a first sealed space 24 between the first member 21 and the second member 22.
FIG. 4 is a side view of the angle fixing device 4. 3 and 4, the angle fixing device 4 has a plurality of bolts 25 as fastening members that fasten the first member 21 and the second member 22 to each other. The plurality of bolts 25 are disposed radially outward of the annular seal 23.

The first member 21 is made of a synthetic resin material. The second member 22 is made of a synthetic resin material. The first member 21 and the second member 22 are formed of the same material. Note that the first member 21 and the second member 22 may be formed of different materials. Further, at least one of the first member 21 and the second member 22 may be formed of metal. In the present embodiment, the first member 21 and the second member 22 will be described based on the case where they are formed of the same synthetic resin material.

The first member 21 includes a first annular tooth row 27. The second member 22 includes a second annular tooth row 28 that meshes with the first annular tooth row 27. The first annular tooth row 27 and the second annular tooth row 28 are arranged in an annular shape centered on a predetermined axis C1 and can be engaged at a required relative rotational position centered on the predetermined axis C1.
Specifically, the first annular tooth row 27 has a plurality of teeth 271. The plurality of teeth 271 are spaced apart from each other in the circumferential direction of the first annular tooth row 27 and are evenly arranged in this circumferential direction. A tooth gap is formed between the two teeth 271 adjacent in the circumferential direction. The tooth gap and the tooth 271 are formed with the same dimension in the circumferential direction of the first annular tooth row 27.

The second annular tooth row 28 has a plurality of teeth 281. The plurality of teeth 281 are spaced apart from each other in the circumferential direction of the second annular tooth row 28 and are evenly arranged in this circumferential direction. A tooth gap is formed between two circumferentially adjacent teeth 281. The tooth gap and the tooth 281 are formed with the same dimensions in the circumferential direction of the second annular tooth row 28.
At least a part of the first annular tooth row 27 in the radial direction of the first annular tooth row 27 and at least a part of the second annular tooth row 28 in the radial direction of the second annular tooth row 28 are mutually connected. Arranged at the same radial position. The number of teeth of the first annular tooth row 27 and the number of teeth of the second annular tooth row 28 are equal to each other. When the tooth 271 of the first annular tooth row 27 and the tooth groove of the second annular tooth row 28 face each other in the coupling direction D1, the first annular tooth row 27 and the second annular tooth row 28 are provided. Can mesh with each other.

In the present embodiment, the first annular tooth row 27 and the second annular tooth row 28 are disposed in the first sealed space 24. Thereby, since the 1st annular tooth row 27 and the 2nd annular tooth row 28 are protected in the 1st sealed space 24, it can prevent degradation and breakage of both

annular tooth rows

27 and 28 at the time of use. it can. As a result, the durability of the angle fixing device 4 can be improved. In particular, even when the first annular tooth row 27 and the second annular tooth row 28 are made of synthetic resin, deterioration of the synthetic resin due to the influence of external ultraviolet rays or the like can be prevented. Sufficient durability can be secured.

Thus, since the protection of the first annular tooth row 27 and the second annular tooth row 28 can be achieved by the first member 21, the second member 22, and the annular seal 23, in addition to these, a protective member There is no need to add another. As a result, the angle fixing device 4 can be made inexpensive.
In addition, since the first annular tooth row 27 and the second annular tooth row 28 can be protected from external ultraviolet rays, it is not necessary to use an expensive material having high durability even when used under the influence of ultraviolet rays or the like. Therefore, the angle fixing device 4 can be made inexpensive.

5A is a side view of the first member 21, FIG. 5B is a front view of the first member 21, and FIG. 5C is a view of Vc in FIG. 5A. FIG. With reference to FIG. 5A and FIG. 5B, the first member 21 has a main body 31. The main body 31 has a bottomed cylindrical shape, and defines a part of the first sealed space 24. The main body 31 has an outer peripheral wall 32 and an end wall 33 surrounded by the outer peripheral wall 32. The outer peripheral wall 32 forms a part of a cylindrical shape centered on a predetermined axis C1.

With reference to FIG. 5A and FIG. 5C, one end of the main body 31 in the direction in which the predetermined axis C1 extends (hereinafter also referred to as the axial direction of the predetermined axis C1) is closed by the end wall 33. It is peeling off. A first annular tooth row 27 is formed on the other end of the main body 31 in the axial direction of the predetermined axis C1.
With reference to FIG. 2 and FIG. 5A, the first member 21 includes a base 34 fixed to an attachment target. The base 34 defines a passage 35 as a second sealed space. The passage 35 as the second sealed space communicates with the first sealed space 24. The main body 31 and the base 34 are integrally formed of a synthetic resin material as a single material. The main body 31 and the first annular tooth row 27 are integrally formed of a synthetic resin material as a single material.

Referring to FIGS. 2 and 5C, the base 34 is fixed to an attachment target by a fixing bolt 36 as a fixing member. The base 34 is provided with a plurality of insertion holes 37 through which the fixing bolts 36 are inserted. The insertion hole 37 is formed through the base 34. Note that at least one insertion hole 37 is sufficient.
The head of the fixing bolt 36 is received on the upper surface of the base 34. The male screw of the fixing bolt 36 is inserted through the insertion hole 37 and is locked to the upper surface of the machine body 3. For example, the male screw of the fixing bolt 36 is screwed to the female screw provided in the machine body 3.

6 (a) is a front view of the second member 22, FIG. 6 (b) is a side view of the second member 22, and FIG. 6 (c) is VIc of FIG. 6 (b). FIG. 6D is an enlarged view of a seal receiving groove 50 described later in FIG. 6C. With reference to FIG. 6A and FIG. 6B, the second member 22 has a main body 41. The main body 41 has a bottomed cylindrical shape and defines a part of the first sealed space 24. The main body 41 has an outer peripheral wall 42 and an end wall 43 surrounded by the outer peripheral wall 42. The outer peripheral wall 42 forms a part of a cylindrical shape centered on a predetermined axis C1.

With reference to FIG. 6A and FIG. 6C, one end of the main portion 41 in the axial direction of the predetermined axis C 1 is closed by the end wall 43. A second annular tooth row 28 is formed at the other end of the main body 41 in the axial direction of the predetermined axis C1.
2 and 6B, the second member 22 is fitted to the end 201 of the signal indicator lamp 2 (in this embodiment, the end of the pole 11 corresponds). A tube 44 is included. The fitting cylinder 44 defines a passage 45 as a third sealed space. The passage 45 as the third sealed space communicates with the first sealed space 24. The main body 41 and the fitting cylinder 44 are integrally formed of a synthetic resin material as a single material. The main body 41 and the second annular tooth row 28 are integrally formed of a synthetic resin material as a single material.

Referring to FIG. 3, the bolt 25 as a fastening member passes through the insertion hole 47 formed in the second member 22, and is screwed into the female screw of the screw hole 48 formed in the first member 21. Yes. The insertion hole 47 is curved and extends along the circumferential direction of the annular seal 23. The bolt 25, the insertion hole 47, and the screw hole 48 are disposed at a plurality of locations in the circumferential direction of the annular seal 23. The screw hole 48 may be formed in a nut as a female screw member fixed to the first member 21. Further, the insertion hole 47 may be formed in the first member 21, and the screw hole 48 may be disposed in the second member 22.

FIG. 7 is an enlarged view of a portion VII in FIG. 3 and 7, the annular seal 23 is formed of, for example, an elastic member, and is specifically a rubber O-ring. The annular seal 23 is interposed between the first member 21 and the second member 22 in a state of being elastically compressed and deformed.
2 and 4, the first sealed space 24 is partitioned inside the end wall 33 of the first member 21 with respect to the axial direction of the predetermined axis C 1, and It is partitioned inside the end wall 43. Further, the first sealed space 24 is partitioned inward in the radial direction of the annular seal 23.

The first sealed space 24 communicates with a passage 35 as a second sealed space of the base 34 and communicates with a passage 45 as a third sealed space of the fitting cylinder 44. Further, the passage 35 serving as the second sealed space of the base 34 communicates with the inside of the machine body 3 (corresponding to the fourth sealed space). A passage 45 serving as a third sealed space of the fitting tube 44 communicates with the inside of the signal indicator lamp 2 (corresponding to a fifth sealed space). The electric wire 12 passes through the passage 35 of the fitting tube 44, the first sealed space 24, and the passage 35 of the base 34, and is disposed inside the first to fifth sealed spaces described above.

6B and 7, an annular seal housing groove 50 for housing the annular seal 23 is formed in the second member 22. In this case, the following points are preferable. That is, since the sealing performance and durability of the annular seal 23 are improved, the gap between the first member 21 and the second member 22 can be reliably sealed over a long period of time. As a result, the durability of the angle fixing device 4 can be further improved.

With reference to FIG.6 (d) and FIG. 7, the seal | sticker accommodation groove | channel 50 has a pair of

side walls

51 and 52 and the bottom face 53 which connects a pair of

side walls

51 and 52 mutually. The pair of

side walls

51 and 52 oppose each other in the radial direction of the annular seal 23.
The first member 21 includes an annular first fitting protrusion 54 that fits into the inlet 501 of the seal housing groove 50. In this case, the following points are preferable. That is, the space between the first member 21 and the second member 22 can be more reliably sealed. Moreover, the radial load from one side to the other of the first member 21 and the second member 22 (in this embodiment, the second member) by the fitting portion of the seal housing groove 50 and the first fitting protrusion 54. The weight of the signal indicator lamp 2 attached to 22 can be received. Therefore, the load applied to the first and second

annular tooth rows

27 and 28 can be reduced. Therefore, the durability of the angle fixing device 4 can be further improved.

In order to obtain this effect, the first fitting protrusion 54 enters the inlet 501 of the seal housing groove 50 so that it can contact at least a part of at least one of the pair of

side walls

51 and 52 of the seal housing groove 50. It only has to be.
With reference to FIGS. 3 and 7, the first member 21 has a contact surface 58. The second member 22 has a contact surface 59. These contact surfaces 58 and 59 are in contact with each other so as to face each other in the axial direction of a predetermined axis C1. In this state, the annular seal 23 is interposed between the bottom surface 53 of the seal housing groove 50 and the end surface of the protruding end of the first fitting protrusion 54, and is elastically deformed. Both

side walls

51 and 52 are in contact with each other.

6B and 7, the second member 22 includes an annular second fitting protrusion 61 that is fitted to the inner periphery 56 of the first fitting protrusion 54. A side wall 52 as a part of the seal housing groove 50 is defined by the outer periphery 62 of the second fitting protrusion 61. In this case, it is preferable in the following points. That is, the space between the first member 21 and the second member 22 can be more reliably sealed. Further, since the fitting portion of the seal housing groove 50 and the first fitting protrusion 54 and the fitting portion of the first fitting protrusion 54 and the second fitting protrusion 61 can receive a radial load. Further, the angle fixing device 4 as a whole can receive a larger radial load.

For example, the fitting portion between the inner periphery 56 of the first fitting protrusion 54 and the outer periphery 62 of the second fitting protrusion 61 above (or below) the predetermined axis C1 receives the above-described radial load. . At the same time, the fitting portion between the side wall 51 of the seal housing groove 50 below the predetermined axis C1 and the outer periphery 55 of the first fitting protrusion 54 receives the above-described radial load.
A second annular tooth row 28 is formed on the second fitting protrusion 61. In this case, it is preferable in the following points. That is, the angle fixing device 4 can be reduced in size. Further, when an excessive torque is applied around the predetermined axis C1, the deformation of the second annular tooth row 28 in the radially outward direction of the second annular tooth row 28 causes the first fitting protrusion 54 to be deformed. It is suppressed by. As a result, damage to the second annular tooth row 28 can be prevented.

5A and 7, the first member 21 includes an annular third fitting protrusion 65 that is fitted to the inner periphery 63 of the second fitting protrusion 61. An annular fitting groove 66 is defined between the first fitting protrusion 54 and the third fitting protrusion 65. The fitting groove 66 is fitted with the second fitting protrusion 61. In this case, it is preferable in the following points. That is, an even greater radial load can be received. Further, when an excessive torque is applied around the predetermined axis C 1, the deformation of the second annular tooth row 28 inward in the radial direction of the second annular tooth row 28 causes the third fitting protrusion 65. It is suppressed by. As a result, damage to the second annular tooth row 28 can be prevented.

Also, a first annular tooth row 27 is formed in the fitting groove 66. In this case, it is preferable in the following points. That is, the angle fixing device 4 can be reduced in size. Further, when an excessive torque is applied around the predetermined axis C1, the deformation of the first annular tooth row 27 outward in the radial direction of the first annular tooth row 27 causes the third fitting protrusion 65 to be deformed. It is suppressed by. As a result, damage to the first annular tooth row 27 can be prevented.

Referring to FIG. 2, it is preferable that the signal indicator lamp unit 1 that can fix the mounting angle A0 of the signal indicator lamp 2 using the angle fixing device 4 of the present embodiment is as follows. That is, the first member 21 includes a base 34 that is fixed to an attachment target. The second member 22 includes a fitting cylinder 44 that fits the end 201 of the signal indicator lamp 2. In this case, the signal indicator lamp unit 1 that can be adjusted in position and has high durability can be realized. In addition, by using the base 34 and the fitting cylinder 44, the signal indicator lamp 2 can be easily attached to the attachment target.

Although not shown, this effect can also be obtained when the second member includes a base and the first member includes a fitting cylinder.
In the present embodiment, a mounting bolt 68 for attaching the signal indicator lamp 2 is locked to the bottom 441 of the fitting tube 44. The first member 21 includes a retaining portion 69 that prevents the mounting bolt 68 from coming off. The retaining portion 69 faces the mounting bolt 68 in the direction D2 in which the mounting bolt 68 is removed. When the retaining portion 69 is provided, the mounting bolt 68 can be prevented from falling off, so that the signal indicator lamp 2 can be prevented from coming off from the fitting tube 44.

The effect of the retaining portion 69 can also be obtained in the following cases. That is, although not shown, the second member includes a base and a retaining portion, the first member includes a fitting cylinder, and a mounting bolt for attaching the signal indicator lamp is locked to the bottom of the fitting cylinder. It may be.
FIG. 8A is a partial cross-sectional view of the mounting bolt 68 and the like in a normal state where the mounting bolt 68 is not pulled out, and FIG. 8B is a state in which the mounting bolt 68 is prevented from being pulled out. It is partial sectional drawing of attachment bolt 68 grade | etc.,. Referring to FIGS. 8A and 8B, specifically, the retaining portion 69 is formed integrally with the outer peripheral wall 32 of the main body portion 31 of the first member 21 from a single material. Yes. Since the retaining portion 69 is configured by a part of the main body portion 31 which is an essential configuration for partitioning the first sealed space 24, the structure can be simplified.

FIG. 15 is a cross-sectional view of a signal indicator pole. With reference to FIG. 8A and FIG. 15, the mounting bolt 68 is locked to the end portion 201 of the signal indicator lamp 2. This end 201 is formed by the end of the pole 11 in the axial direction of the pole 11. A convex portion 111 is formed inside the pole 11. At the end portion 201 of the signal indicator lamp 2, a screw hole 112 is formed in the convex portion 111. A through hole 442 is formed in the bottom portion 441 of the fitting cylinder 44. The mounting bolt 68 is inserted through the through hole 442. The male screw of the mounting bolt 68 passes through the through hole 442 and is screwed into the screw hole 112 of the pole 11.

With reference to FIGS. 8A and 8B, the retaining portion 69 is formed in the direction along the axis of the mounting bolt 68 (this direction) on the head of the mounting bolt 68 locked to the fitting cylinder 44. Corresponds to the above-described removal direction D2.). When the mounting bolt 68 is normally locked to the fitting cylinder 44, the head of the mounting bolt 68 may be in contact with the retaining portion 69, or the head of the mounting bolt 68 with respect to the removal direction D2. A predetermined amount of gap may be formed between the retaining portion 69 and the retaining portion 69. The gap amount is set so that the state in which the mounting bolt 68 is locked to the fitting cylinder 44 and the screw hole 112 can be maintained in a state where the mounting bolt 68 is in contact with the retaining portion 69. Further, when the retaining portion 69 has a circular shape centered on the predetermined axis C1, even if the mounting angle A0 of the signal indicator lamp 2 is different, the mounting bolt 68 can be reliably prevented from coming off.

FIG. 9A is a front view of the second member 22, the signal indicator lamp 2 and the like in the first step when the signal indicator lamp unit 1 is attached, and FIG. 9B is a second example of attachment. 9C is a front view of the first member 21, the second member 22, the annular seal 23 and the like in the step of FIG. 9, and FIG. 9C is a front view of the angle fixing device 4 and the like in the third step of attachment. is there. For example, the signal indicator unit 1 can be assembled in the following order and attached to an attachment target.

9 (a) and 9 (b), first, the signal indicator lamp 2 and the second member 22 of the angle fixing device 4 are fixed to each other. Specifically, the end portion 201 of the signal indicator lamp 2 is fitted into the fitting cylinder 44 of the second member 22 and fixed using the mounting bolt 68. At this time, since the first member 21 and the second member 22 are not assembled with each other, the through hole 442 for the mounting bolt 68 is widely opened, and the mounting bolt 68 can be easily attached.

Further, the annular seal 23 is attached to the seal accommodation groove 50 of the second member 22. The annular seal 23 may be attached before the operation of attaching the signal indicator lamp 2 to the fitting cylinder 44.
Referring to FIG. 9B, next, the first member 21 and the second member 22 are assembled together. At this time, the mounting angle A0 of the signal indicator lamp 2 is adjusted to a desired value. For example, the first annular tooth row 27 and the second annular tooth row 28 are engaged with each other so that the mounting angle A0 of the signal indicator lamp 2 is 90 degrees (see FIG. 1A).

With reference to FIG. 9B and FIG. 9C, the first member 21 and the second member 22 are fastened using the bolt 25. Thereby, the signal indicator lamp unit 1 is completed.
Referring to FIG. 9C, next, the signal indicator lamp unit 1 is fixed to the machine body 3 as an attachment target by using a fixing bolt 36. At this time, the following configuration is preferable so that the fixing operation is easy.

FIG. 10 is a plan view of the angle fixing device 4. Referring to FIGS. 1 (a), 9 (c), and 10, the base 34 has an insertion hole 37 for inserting a fixing bolt 36 as a fixing member for fixing the base 34 to an attachment target. ing. When the mounting angle A0 is within the predetermined range A2, the extension line C4 of the axis C3 of the insertion hole 37 is prevented from interfering with the first member 21 and the second member 22. In this case, the base 34 can be attached to the attachment target in a state where the first member 21 and the second member 22 are assembled to each other. Accordingly, when the signal indicator lamp unit 1 is fixed to the attachment target, it is not necessary to disassemble the first member 21 and the second member 22 once, so that the fixing work does not take time.

For example, the above-mentioned predetermined range A2 of the attachment angle A0 is a range not less than the value A21 and not more than the value A22 (A22 ≧ A21) of the attachment angle A0, and includes a value of 90 degrees. When the first member 21 and the second member 22 are attached to each other so that the attachment angle A0 is 90 degrees, the main portion 31 of the first member 21 and the insertion hole 37 of the base 34 When viewed along the axis of the insertion hole 37, they do not overlap each other. Further, the second member 22 and the insertion hole 37 of the base 34 do not overlap each other when viewed along the axis of the insertion hole 37. Therefore, it is easy to fix the base 34. Thereafter, the mounting angle A0 of the signal indicator lamp 2 is adjusted to a desired value.

FIG. 11 is a front view of the angle fixing device 4 in a state where the angle can be adjusted. With reference to Fig.1 (a) and FIG. 11, the attachment angle A0 of the signal indicator lamp 2 can be adjusted as follows. That is, in a state where the bolt 25 as a fastening member is loosened or in a state where the fastening is released, the first member 21 and the second member 22 are opposite to the coupling direction D1 (in a direction away from each other). Relative movement is performed at a predetermined distance L5. As a result, the meshing between the first annular tooth row 27 and the second annular tooth row 28 is released. The first member 21 and the second member 22 can rotate relative to each other around a predetermined axis C1. In this state, the mounting angle A0 of the signal indicator lamp 2 can be adjusted. The attachment angle A0 is set stepwise to an angle at which the first and second

annular tooth rows

27 and 28 can mesh with each other.

While maintaining the adjusted mounting angle A0, the first member 21 and the second member 22 are moved closer to each other in the coupling direction D1. The first annular tooth row 27 and the second annular tooth row 28 are engaged with each other. The first member 21 and the second member 22 are fixed to each other by a bolt 25. Thereby, the adjusted attachment angle A0 can be fixed.
With reference to FIG. 11 and FIG. 7, the following configuration is preferable because it can be easily adjusted. That is, in the fastening state of the bolt 25, the fitting length L1 between the outer periphery 55 of the first fitting protrusion 54 and the side wall 51 of the seal housing groove 50 and the first fitting protrusion 54 in the axial direction of the predetermined axis C1. Fitting length L2 (corresponds to the fitting length between the inner circumference 56 of the first fitting projection 54 and the outer circumference 62 of the second fitting projection 61). ), And the maximum fitting length of the fitting length L3 between the inner periphery 63 of the second fitting projection 61 and the third fitting projection 65 is the first annular tooth row 27 and the second annular shape. The meshing height L4 of the tooth row 28 is made larger. In the present embodiment, the fitting lengths L2 and L3 are equal to each other and are larger than the fitting length L1. Therefore, the fitting lengths L2 and L3 are made larger than the meshing height L4 (L2> L4, L3> L4).
FIG. 12 is a cross-sectional view of the annular seal 23, the first annular tooth row 27, the second annular tooth row 28 and the like of the angle fixing device 4 in a state where the angle can be adjusted. Referring to FIGS. 7 and 12, as described above, the above-mentioned predetermined distance L5, which is the relative movement amount between the first member 21 and the second member 22 in the loosened state, is the maximum value described above. Are smaller than the fitting lengths L2 and L3 (L5 <L2, L5 <L3) and larger than the meshing height L4 (L5> L4). Thereby, the meshing can be released and the fitting can be maintained. As described above, since the fitting is maintained, the first member 21 and the second member 22 around the predetermined axis C1 do not rattle between the first member 21 and the second member 22. Relative rotation is guided. At the same time, since the angle fixing device 4 can receive the weight of the signal indicator lamp 2, it is easy to adjust the mounting angle A0.

With reference to FIG. 2, in the present embodiment, since the first annular tooth row 27 and the second annular tooth row 28 are disposed in the first sealed space 24, the first member 21 and The second member 22 does not have to be disposed at a portion outside the first sealed space 24. As a result, this outer portion can be made thinner with respect to the axial direction of the predetermined axis C1.
At the same time, an attachment bolt 68 for fixing the pole 11 is attached to the fitting cylinder 44 in a state where the first member 21 is removed from the second member 22. The attachment of the attachment bolt 68 uses a wide space obtained by removing the first member 21, so that the operation becomes easy. Further, in order to secure a space for mounting the mounting bolt 68, the shape of the second member 22 need not be regulated. Therefore, the freedom degree of the shape of the 2nd member 22 increases. Accordingly, the degree of freedom in designing the angle fixing device 4 is increased.

Moreover, the following modifications can be considered about this embodiment. In the following description, the points different from the above-described embodiment will be mainly described. In addition, about another structure, it is the same as that of the above-mentioned embodiment.
For example, FIG. 13A is a side view of the lighting device unit 100, and FIG. 13B is a front view of the lighting device unit 100. FIG. 14 is a partial exploded perspective view of the lighting device unit 100. With reference to FIG. 13A and FIG. 13B, the illuminating device unit 100 can adjust the angle of the illuminating device 101 as a device to be attached and the upper surface of the machine body 3 to which the illuminating device 101 is attached. And two angle fixing devices 4 A attached to the device. The illumination device 101 irradiates the surroundings with light.

The angle fixing device 4A differs from the angle fixing device 4 shown in FIG. 2 in the following points, and the other configurations are the same. Among the configurations of the angle fixing device 4A, the same components as those of the angle fixing device 4 are denoted by the same reference numerals as those of the angle fixing device 4 and description thereof is omitted.
The lighting device unit 100 can fix the mounting angle A10 of the lighting device 101 using the angle fixing device 4A. The angle fixing device 4A can adjust the mounting angle A10 of the lighting device 101 around a predetermined axis C1, and can fix the mounting angle A10. The attachment angle A10 is, for example, an angle formed by the normal H2 of the attachment surface to be attached and the irradiation direction D4 of light from the illumination device 101.

Referring to FIGS. 13B and 14, the angle fixing device 4A includes a first member 21A and a second member 22A that are coupled to each other in the coupling direction D1, and a first member 21A and a second member. A plurality of bolts 25 serving as fastening members for fastening the first member 21A and the second member 22A radially outward of the annular seal 23; It has. The coupling direction D1 is a direction parallel to the predetermined axis C1.

In the present embodiment, the two angle fixing devices 4A share the second member 22A that is a part thereof. The second member 22A constitutes the main body 102 of the lighting apparatus 101. The two angle fixing devices 4A are configured in the same manner.
The single angle fixing device 4A and the lighting device 101 may constitute a lighting device unit. For example, the angle fixing device 4A may be used in a cantilevered manner in consideration of the size, mass, etc. of the lighting device 101. In the present embodiment, a description will be given centering on one angle fixing device 4A in accordance with the case where there are two angle fixing devices 4A that support the illumination device 101 in a both-sided manner.

Specifically, the first member 21A has a plurality of insertion holes 47 through which the bolts 25 as fastening members are inserted. The second member 22A has a plurality of screw holes 48 that are screw-fitted with bolts 25 as fastening members. The second member 22A constitutes a main body 102, which will be described later, of the lighting device 101.
The first sealed space 24 A includes the inside of the lighting device 101. The first sealed space 24A communicates with the inside of the machine body 3 (corresponding to a third sealed space) through a passage 35 as a second sealed space of the base 34 of the first member 21A on both sides. Yes.

Further, in the first member 21A and the second member 22A, the portions facing each other in the axial direction of the predetermined axis C1 correspond to the corresponding portions of the first portion 21 and the second portion 22 in the first embodiment. It is configured in the same way.
That is, the first member 21 A includes a first annular tooth row 27. The second member 22 A includes a second annular tooth row 28 that meshes with the first annular tooth row 27. The first annular tooth row 27 and the second annular tooth row 28 are arranged in an annular shape centered on a predetermined axis C1 and can be engaged at a required relative rotational position centered on the predetermined axis C1.

The first annular tooth row 27 and the second annular tooth row 28 are arranged in the first sealed space 24A. Thereby, since the 1st and 2nd

annular tooth rows

27 and 28 are protected in the 1st sealed space 24A, degradation and breakage of both

annular tooth rows

27 and 28 can be prevented at the time of use. As a result, the durability of the angle fixing device 4A can be improved. In particular, even when the first and second

annular teeth

27 and 28 are made of synthetic resin, deterioration of the synthetic resin due to the influence of external ultraviolet rays or the like is prevented, so that the angle fixing device 4A has sufficient durability. Can be secured.

The second member 22 A includes an annular seal accommodation groove 50 that accommodates the annular seal 23. In this case, the following points are preferable. That is, since the sealing performance and durability of the annular seal 23 are improved, the gap between the first member 21A and the second member 22A can be reliably sealed over a long period of time. As a result, the durability of the angle fixing device 4A can be further improved.
The first member 21 A includes an annular first fitting protrusion 54 that fits into the inlet of the seal housing groove 50. In this case, the following points are preferable. That is, the space between the first member 21A and the second member 22A can be more reliably sealed. In addition, since the fitting portion of the seal housing groove 50 and the first fitting protrusion 54 can receive a radial load from one of the first member 21A and the second member 22A to the other, The load applied to the second

annular tooth rows

27 and 28 can be reduced. Therefore, the durability of the angle fixing device 4A can be further improved.

The second member 22 A includes an annular second fitting protrusion 61 that fits on the inner periphery 56 of the first fitting protrusion 54. A part of the seal accommodation groove 50 is defined by the outer periphery 62 of the second fitting protrusion 61. In this case, it is preferable in the following points. That is, the gap between the first member 21A and the second member 22A can be more reliably sealed. Further, since the fitting portion of the seal housing groove 50 and the first fitting protrusion 54 and the fitting portion of the first fitting protrusion 54 and the second fitting protrusion 61 can receive a radial load. The entire angle fixing device 4A can receive a larger radial load.

A second annular tooth row 28 is formed on the second fitting protrusion 61. In this case, it is preferable in the following points. That is, the angle fixing device 4A can be reduced in size. Further, when an excessive torque is applied around the predetermined axis C 1, the deformation of the second annular tooth row 28 radially outward is suppressed by the first fitting protrusion 54. As a result, damage to the second annular tooth row 28 can be prevented.
The first member 21 A includes an annular third fitting protrusion 65 that fits on the inner periphery 63 of the second fitting protrusion 61. An annular fitting groove that fits the second fitting protrusion 61 is defined between the first fitting protrusion 54 and the third fitting protrusion 65. In this case, it is preferable in the following points. That is, an even greater radial load can be received. Further, when an excessive torque is applied around the predetermined axis C 1, the deformation of the second annular tooth row 28 inward in the radial direction is suppressed by the third fitting protrusion 65. As a result, damage to the second annular tooth row 28 can be prevented.

The lighting device 101 has a main body 102 and a light source 103 accommodated in the main body 102. At least a part of the main body 102 has translucency. The main body 102 has a long cylindrical shape. The central axis of the main body 102 and the predetermined axis C1 of the angle fixing device 4A are along each other. Light from the light source 103 is emitted toward a direction D4 orthogonal to the central axis of the main body 102.

In the lighting device unit 100 that can fix the mounting angle A10 of the lighting device 101 using the angle fixing device 4A described above, it is preferable to do the following. That is, the second member 22 A is the main body 102 of the lighting device 101. The first member 22A includes a base 34 that is fixed to an attachment target. In this case, it is possible to realize a highly durable lighting device unit 100 that can be adjusted in position. In addition, since the second member 22A is the main body 102 of the lighting device 101, the structure of the lighting device unit 100 can be simplified.

In addition, the same effect as this effect can be obtained in the following cases. That is, the first member 21A may be the main body 102 of the lighting device 101, and the second member 22A may include the base 34 that is fixed to the attachment target.
With reference to FIG. 2, the retaining portion 69 of the first embodiment may be formed as a separate member from the first member 21 and fixed to the first member 21. Further, the retaining portion 69 may be fixed to the second member 22 as in the case of the first member 21. In the first embodiment, the signal indicator lamp 2 may have a rotating lamp.

Moreover, the assembly procedure of the signal indicator lamp unit 1 of the first embodiment is not limited to the above-described procedure. For example, the second member 22 to which the signal indicator lamp 2 is attached may be attached to the first member 21 fixed to the attachment target, and at this time, the attachment angle A0 may be adjusted to a desired value.
Moreover, in each above-mentioned embodiment, the case where the 2nd annular tooth row 28 is formed in places other than the 2nd fitting protrusion 61 is also considered. In addition, it may be considered that at least one of the first fitting protrusion 54, the second fitting protrusion 61, and the third fitting protrusion 65 is eliminated. Furthermore, the case where the seal accommodation groove | channel 50 is abolished is also considered.

Further, the

angle fixing devices

4 and 4A are not limited to the signal indicator lamp unit 1 and the lighting device unit 100, but can be applied to other mounted devices that require adjustment of the mounting angle.
Although the present invention has been described in detail with reference to specific embodiments, those skilled in the art who have understood the contents will readily be able to consider changes, modifications, and equivalents. Therefore, the present invention should be within the scope of the claims and their equivalents.

Claims

A first member and a second member coupled in a coupling direction parallel to a predetermined axis;
An annular seal that defines a sealed space between the first member and the second member;
A fastening member that fastens the first member and the second member outside in the radial direction of the annular seal,
The first member includes a first annular tooth row,
The second member includes a second annular tooth row that meshes with the first annular tooth row,
The first annular tooth row and the second annular tooth row are arranged in an annular shape centered on the predetermined axis and can be meshed at a required relative rotational position centered on the predetermined axis.
The angle fixing device, wherein the first annular tooth row and the second annular tooth row are disposed in the sealed space.
The angle fixing device according to claim 1, wherein an annular seal receiving groove for receiving the annular seal is formed in the second member.
The angle fixing device according to claim 2, wherein the first member includes an annular first fitting protrusion that fits into an inlet of the seal housing groove.
The second member includes an annular second fitting protrusion that fits on the inner periphery of the first fitting protrusion,
The angle fixing device according to claim 3, wherein a part of the seal housing groove is defined by an outer periphery of the second fitting protrusion.
The angle fixing device according to claim 4, wherein the second annular tooth row is formed on the second fitting protrusion.
The first member includes an annular third fitting protrusion that fits on an inner periphery of the second fitting protrusion,
6. An annular fitting groove for fitting with the second fitting protrusion is defined between the first fitting protrusion and the third fitting protrusion. Angle fixing device.
A signal indicator lamp unit capable of fixing the mounting angle of the signal indicator lamp using the angle fixing device according to any one of claims 1 to 6,
One of the first member and the second member includes a base that is fixed to an attachment target, and the other of the first member and the second member fits an end of the signal indicator lamp. A signal indicator unit including a fitting cylinder.
A mounting bolt for attaching the signal indicator lamp is locked to the bottom of the fitting tube,
8. The signal according to claim 7, wherein the one of the first member and the second member includes a retaining portion that faces the direction in which the mounting bolt is removed and prevents the mounting bolt from coming off. Indicator light unit.
The base is provided with an insertion hole for inserting a fixing member for fixing the base to the attachment target.
The range according to claim 7, wherein an extension line of the axis of the insertion hole does not interfere with the first member and the second member when the attachment angle is within a predetermined range. The signal indicator unit described.
A lighting device unit capable of fixing a mounting angle of a lighting device using the angle fixing device according to any one of claims 1 to 6,
Either one of the first member and the second member is a main body of the lighting device,
The lighting device unit, wherein the other of the first member and the second member includes a base fixed to an attachment target.