JP2009236306A - Telescopic universal hook bar unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a telescopic universal hook bar unit easy to carry for a user for the maintenance work and easy to operate an operation rope in a height. <P>SOLUTION: A first unit 11 and a second unit 12 of a telescopic universal hook bar unit 1A respectively comprise a first and a second pipe main bodies 13 and 28 formed by combining a plurality of telescopic pipes 15<SB>1</SB>, 15<SB>2</SB>, ..., 15<SB>8</SB>having a different diameter freely to be telescoped in the axial direction and formed to be reduced in diameter from a base end to a chip in the extended condition. A chip of the first unit 11 is provided with a hook member 14 having hook pieces 21a and 21b to be hooked on one part of a rope or the like, and a base end of the first unit 11 is formed with a female screw 18, and a chip of the second unit 12 is formed with a male screw 31 to be screwed to the female screw 18. The first unit 11 and the second unit 12 are formed freely to be attached/detached. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an instrument for performing a lighting / extinguishing operation or the like of a lighting device installed at a high place such as a ceiling.

  In buildings such as condominiums, offices, stores, hotels, and theaters, in addition to general lighting equipment, in the event of a power outage due to a fire, typhoon, earthquake, etc., the corridors and emergency exits are lit to prevent darkness A lighting device for use is installed in a high place such as the ceiling, and this emergency lighting device is lit by a power source such as a battery other than a commercial power source (a power source supplied from a power company). When a commercial power supply fails due to a fire, typhoon or earthquake, the power switch such as the battery is immediately turned on to turn on the emergency lighting device.

  In the emergency lighting device, a switch for turning it on and off, and an operation string for operating the switch are attached to the switch, and a knob is attached to the tip of the operation string. And it is necessary to inspect periodically or at any time whether this emergency lighting device is surely turned on when a power failure occurs due to a fire, a typhoon or an earthquake.

Conventionally, as an apparatus used at the time of lighting inspection of this emergency lighting device, the tip of the telescopic rod is provided substantially horizontally with respect to the axial direction or slightly upward at a required angle, and the tip of the operating cord of the lighting device. A bifurcated buttocks that are hooked to the knob is formed of a bifurcated piece, and the distance between the bases of the bifurcated piece is narrow, and the distance between the bifurcated pieces is widened toward the tip of the bifurcated piece. (For example, see Patent Document 1).
Registered Utility Model No. 3031243

  However, in the invention described in Patent Document 1, if the pipe body is formed to a length that can easily operate the operation string at a high place when the pipe body is extended, the length of the pipe body when the pipe is reduced. Therefore, there is a problem in that it is inconvenient when the user carrying out the inspection work carries it. On the other hand, if the pipe body is formed so that it can be easily carried by the user when it is reduced, the length of the pipe body when it is extended is shortened. There is a problem that operation becomes difficult.

  The present invention has been made in view of such problems, and provides an extendable club unit that can be easily carried by a user who performs inspection work and can easily operate an operating string at a high place. Is an issue.

  In order to achieve such an object, the invention according to claim 1 is an extendable club unit comprising a first unit and a second unit, wherein the first unit and the second unit have different diameters. A plurality of nested pipes are combined and formed to be stretchable in the axial direction of the pipe, and each has a pipe main body portion formed so that the diameter decreases from the base end portion to the tip end portion in an expanded state, A hook member having a hook piece hooked on a part of a string or the like is provided at the distal end of the pipe main body portion of the first unit, and at the base end of the largest diameter pipe in the pipe main body portion of the first unit. Is formed with a female screw portion, and a male screw portion that can be screwed into the female screw portion is provided at the tip of the pipe having the smallest diameter in the pipe main body portion of the second unit. Wherein the the second unit are detachably formed.

  According to a second aspect of the present invention, in addition to the configuration of the first aspect, the male threaded portion is formed on one end side of the rod member, and the radial direction of the pipe at the proximal end of the male threaded portion And a connecting member is formed by projecting a flange portion, and when the male screw portion is screwed into the female screw portion, the end face of the base end of the first unit comes into contact with the end face of the flange portion. It is characterized by being formed.

  According to a third aspect of the present invention, in addition to the configuration of the first or second aspect, the pipe main body portion of the first unit and the pipe main body portion of the second unit have a distal end portion of the smallest diameter pipe. Each is formed with a fitting hole, and the hooking member and the male screw part are provided with a fitting part that is inserted into and fitted into the fitting hole.

  According to the first aspect of the present invention, a hook member having a hook piece hooked on a part of the string or the like is provided at the tip of the pipe body portion of the first unit. The string can be easily pulled by sandwiching and hooking the portion between the two hooks. Also, a female threaded portion is formed at the base end of the largest diameter pipe in the pipe body of the first unit, and a male thread that can be screwed into the female threaded portion at the tip of the smallest diameter pipe in the pipe body of the second unit. By providing the part, the first unit and the second unit can be connected by screwing the male screw part and the female screw part to form a long telescopic rod. And in addition to being able to form a long telescopic rod by connection, the first unit and the second unit are formed to be detachable, and the pipe main body portions of the first unit and the second unit are each formed to be extendable in the axial direction. As a result, the individual pipe main body portions can be formed so that the size at the time of reduction can be reduced, and a telescopic stick that can be easily carried by the user can be formed. Accordingly, it is possible to provide an extendable club unit that can be easily carried by a user who performs an inspection operation and can easily operate an operation string at a high place.

  According to the second aspect of the present invention, the male screw portion is formed on one end side of the rod member, and a flange portion protruding in the radial direction of the pipe is provided at the proximal end of the male screw portion. The connecting member is configured, and when the male screw portion is screwed into the female screw portion, the end face of the base end of the first unit is formed so as to abut on the end face of the flange portion. When the two pipe main body portions are connected to each other, it is possible to prevent the pipe main body portions from wobbling at the connecting portion. Thereby, the connection state of pipe main-body parts can be stabilized, and the operativity at the time of operating the operation string in a high place can be improved.

  According to the third aspect of the present invention, the fitting hole is formed at the tip of the pipe with the smallest diameter in the pipe body of the first unit and the pipe body of the second unit, and the hook member and The male threaded portion is provided with a fitting portion that is inserted and fitted into the fitting hole portion, so that the first pipe main body portion and the second pipe main body portion that form the telescopic rod unit are provided. The hook member and the fitting portion can be manufactured as separate members. And it becomes possible to manufacture the 1st pipe main-body part and the 2nd pipe main-body part which have the same structure and show | plays the same effect by the same manufacturing process, and can aim at sharing. Thereby, while rationalizing a manufacturing process and aiming at cost reduction, both pipe main-body parts can be expanded-contracted by the same operation, respectively, and operativity can be improved.

  1 to 7 show an embodiment of the present invention.

  First, the configuration will be described. As shown in FIG. 1, the telescopic bar unit 1 </ b> A of this embodiment includes a first unit 11 and a second unit 12. The first unit 11 and the second unit 12 are made of, for example, brass plated with chrome. Thereby, even if it repeats expansion / contraction with a 1st pipe main-body part (after-mentioned) and a 2nd pipe main-body part (after-mentioned), it can be used without losing a feeling of resistance. However, any material can be used as long as the same effect can be obtained.

  The first unit 11 includes a first pipe body 13 as a “pipe body” and a hooking member 14 provided at the tip of the first pipe body 13.

The first pipe body 13, n the different telescoping diameters cylindrical pipe _{15 1,} 15 2 (n> 1, in this embodiment n = 8), · · ·, 15 ₈ combined is, each pipe _{15 1,} 15 2, ..., are telescopically formed in the axial direction of 15 _8. Then, as shown in FIG. 6, the first pipe body 13, the pipe 15 1 from the proximal end to the distal end portion in a state of being _stretched, 15 _2, ..., such that the diameter of 15 ₈ decreases Each of the pipes (for example, the pipe 15 ₈ ) in the formed and contracted state is sequentially accommodated in one base side pipe (for example, the pipe 15 ₇ ), and finally, as shown in FIG. largest diameter of the pipe, i.e. in the interior of the pipe 15 of _the most proximal end side, the other pipe ₁₅ 2, ..., 15 ₈ are all housed. Needless to say, the number of pipes forming the first pipe body 13 is not limited to eight, and may be more or less than eight.

As shown in FIG. 3 (a), largest diameter of the pipe, i.e. the proximal end portion of the pipe 15 ₁ of the proximal-most circular opening 16 is formed, a cylindrical cap to the opening 16 The member 17 is fitted. A female thread portion 18 is formed on the cylindrical inner peripheral portion of the cap member 17. Vicinity of the distal end portion of the cap member 17 is caulked by the caulking portion 19 formed in the vicinity of the base end portion pipe 15 _1.

As shown in (a) of FIG. 2, most small through the pipe, the tip portion of the words of the most distal end pipe 15 _8, hole-shaped fitting hole portion 20 is formed.

As, hook member 14 shown in FIG. 2 (a) corresponds to the tip of the first pipe body 13 is provided on the most distal end of the pipe 15 _8. The hook member 14 includes a hook piece 21, a shaft member 22 as a “fitting part”, a nut 23, a washer 24, a washer 25, and a spring 26.

  The hook piece 21 is formed of a flat plate material. As shown in FIG. 4, the hook piece 21 is formed with a first hook piece 21a as a "hook piece", a second hook piece 21b as a "hook piece", a flange piece 21c, and a screw hole 21d. Yes.

  The first hook piece 21a and the second hook piece 21b are formed in a bifurcated shape. Specifically, the first hook piece 21a and the second hook piece 21b are formed such that the base end portions are connected to each other and are gradually separated and expanded from the base end side to the tip end side.

  The second hooking piece 21b is formed longer than the first hooking piece 21a. Thereby, when operating an operation string, an operation string can be easily guided to the gap part of both hooking pieces 21a and 21b. The tip of the second hooking piece 21b is bent in a substantially right angle in the direction of the first hooking piece 21a and is formed in a substantially L shape. A portion sandwiched between the vicinity of the base end portion of the first hook piece 21a and the vicinity of the base end portion of the second hook piece 21b is formed in a hook portion 21e which is a substantially U-shaped gap portion. Yes.

  The flange piece 21c has a substantially rod shape and protrudes in the opposite direction to the first hook piece 21a and the second hook piece 21b.

  The screw hole 21d is formed through the base end portion of the first hook piece 21a and the second hook piece 21b. As shown in FIG. 2A, the shaft member 22 is inserted into the screw hole 21 d, and the shaft member 22 protrudes in a direction substantially perpendicular to the plate surface of the hook piece 21. Yes.

The shaft member 22 is formed on the fittable into the fitting hole portion 20 provided at the distal end of the pipe 15 ₈ diameter, i.e. of the fitting hole 20 diameter and substantially the same diameter. Further, a screw groove is formed on the outer periphery of the shaft member 22. The base end side of the shaft member 22 is inserted into the washer 24 and the spring 26 are further fitted into the fitting hole portion 20 provided at the distal end of the pipe 15 _8. That is, between the end face and the latch portion 21 of the distal end portion of the pipe 15 _8, in a state where the washer 24 and the spring 26 is sandwiched.

Proximal end near the street, the shaft member 22 shown in FIG. 2 (a) is caulked by a caulking portion 27 formed in the vicinity of the distal end portion of the pipe 15 _8. Further, a washer 25 is inserted into the distal end side of the shaft member 22, and a nut 23 is further screwed together so that the washer 25 is sandwiched between the hook piece 21 and the nut 23. Nut 23 is a type tip dome, while covering the whole shaft member 22 that protrudes distally from the latch portion 21 enters into latch portion 21 between the tip portion of the pipe 15 _8. Accordingly, the hook piece 21 is fixed to the distal end portion of the pipe 15 _8.

  As shown in FIG. 1B, the second unit 12 includes a second pipe main body 28 as a “pipe main body” and a connecting member 29 provided at the tip of the second pipe main body 28. It consists of.

As illustrated in (b) and Figure 5 Figure 1, the second pipe body 28, the pipe ₁₅ 1 of the same structure as the first pipe body _13, 15 2, ..., 15 ₈ are combined , each pipe _{15 1,} 15 2, ..., are telescopically formed in the axial direction of 15 _8. Similar to the first pipe body 13, the number of pipes forming the second pipe body 13 may be more or less than eight.

As shown in FIG. 4, in the second pipe body 28 of this embodiment, largest diameter of the pipe, i.e. the most proximal end side of the pipe 15 _first opening 16 formed in the proximal end, Yes A bottom cylindrical cap member 30 is fitted. However, similarly to the first pipe body 13, the cap member 17 in which the female thread portion 18 is formed may be fitted. As shown in FIG. 4, the vicinity of the distal end portion of the cap member 30 is caulked by a pipe 15 ₁ of the base end caulked portion 19 formed in the vicinity.

Fig As shown in (a) of 3, the connecting member 29 is the smallest diameter of the pipe, i.e. the most distal bar member provided on the tip of the pipe 15 ₈ of the second pipe body 28, the male screw portion 31, It consists of a flange portion 32 and a fitting portion 33.

The male screw portion 31 is formed on the distal end side of the connecting member 29, and a screw groove that can be screwed to the female screw portion 18 is formed around the male screw portion 31. Thereby, the 1st unit 11 and the 2nd unit 12 are formed detachably by screwing the external thread part 31 and the internal thread part 18 together. The flange portion 32 is provided at the proximal end of the male screw portion 31 and protrudes in the radial direction of the male screw portion 31. The end surface of the flange portion 32, when screwed the externally threaded portion 31 into the internal thread portion 18, so that the end face of the pipe 15 ₁ of the base end of the first pipe body 13 abuts, is formed in a substantially flat surface . The fitting portion 33 is located in the extending direction of the male screw portion 31 and protrudes from the proximal end portion side of the connecting member 29. Fitting portion 33 is formed to allow a diameter of the fitted is inserted into the fitting hole portion 20 provided at the distal end of the pipe 15 _8, i.e. the fitting hole portion 20 diameter and substantially the same diameter ing.

  Next, the operation of this embodiment will be described.

  First, the manufacturing procedure of the first unit 11 and the second unit 12 in the retractable club unit 1A will be described.

First, pipe 15 _1, 15 _2, ..., are sequentially accommodated having a small diameter in the interior of the 15 ₈ diameter larger ones, to form a pipe body of the retractable axially telescopically. Two identical pipe body portions are formed, one of which is a first pipe body portion 13 and the other is a second pipe body portion 28.

Then, in the first pipe body 13, fitted cap member 17 to the pipe 15 ₁ of the opening 16 of the most proximal end, the pipe 15 ₁ and the cap member by caulking by a caulking portion 19 17 And fix. Further, in the first pipe body 13, most distal end portion of the pipe 15 ₈ of the tip fitting hole portion 20 formed in the insert shaft member 22, further, a spring 26 to the shaft member 22, the washer 24 , caulking screw holes 21d of the latch portion 21, after being inserted in the order of the washer 25, Rago is engaged a nut 23 at the tip portion of the shaft member 22, the caulking portion 27 near the tip of the pipe 15 _8. Thereby, the first unit 11 is completed.

Then, in the second pipe body 28, fitted cap member 30 in pipe 15 ₁ of the opening 16 of the most proximal end, the pipe 15 ₁ and the cap member 30 by caulking at caulking portions 19 And fix. Further, in the second pipe body 28, most fitting hole portion 20 formed in the distal end portion of the pipe 15 ₈ of the distal end portion and inserting the fitting portion 33 of the connecting member 29, the distal end portion of the pipe 15 ₈ The adjacent crimping part 27 is crimped. Thereby, the second unit 12 is completed. The extendable club unit 1A is completed by the above procedure.

  Next, a procedure for using the extendable club unit 1A will be described.

When operating the operating string at a high place, the user can engage the first unit 11 and the second unit 12 as shown in FIG. Are connected. Then, the pipe ₁₅ 2 which is housed inside of the first unit 11, ..., 15 _8, and the pipe ₁₅ 2 which is housed inside of the second unit 12, ..., pull out the 15 _8, 6 as shown, all of the pipes _{15 1,} 15 2 of the units 11, 12,..., a state of being extended to 15 _8.

  The user operates the operating string at a high place with the telescopic club unit 1A in this state. For example, as shown in FIG. 7, when pulling the knob 42 at the tip of the operation string 41 of the lighting device 40 in order to check whether or not the emergency lighting device 40 is lit, the retractable club unit 1A is The operating cord 41 is introduced into the gap between the first and second hooking pieces 21a and 21b by moving the first hooking piece 21a and the second hooking piece 21b in the tip direction (the direction indicated by the arrow A in FIG. 7). Is guided to the hooking portion 21e, and then the retractable club unit 1a is pulled down in the base end direction of the first unit 11 and the second unit 12 (the direction indicated by the arrow B in FIG. 7), the operation string 41 in the hooking portion 21e. The tip 42 is hooked on the hooks 21a and 21b, and the operation string 41 is pulled, whereby the lighting device 40 can be turned on.

  Further, when operating the operation string 41 in a place where it is difficult to operate with both the hooking pieces 21a and 21b, for example, in a narrow place where the both hooking pieces 21a and 21b cannot be inserted, a hole in the center of the knob 42 is provided. It is also possible to perform the operation by hooking the collar piece 21c to the shaft 43.

  Further, for example, when the push operation is performed as in the case of pushing the push button 44 of the illumination device 40 shown in FIG.

Then, if the operation of the operation cord 41 in the high place is complete, the user, another pipe 15 2 inside the pipe 15 ₁ of the largest diameter of the first unit _11, ..., 15 ₈ housing and also the other pipe ₁₅ 2 inside the pipe 15 ₁ of the largest diameter of the second unit 12, ..., the first housing the 15 _8, to shrink respectively a second pipe body 13, 28 Further, as shown in FIG. 3A, the screwing of the male screw portion 31 and the female screw portion 18 is released, and the connection between the first unit 11 and the second unit 12 is released as shown in FIG. . With the units 11 and 12 separated in this way, the user can easily carry the retractable club unit 1A in a clothes pocket or the like.

  In addition, when the operation string 41 is in a relatively low position, the user can extend and retract the first unit 11 without extending the first unit 11 without attaching the second unit 12 to the first unit 11. An operation using the unit 1A can also be performed.

As described above, in this embodiment, the hook member 14 having the first hook piece 21a and the second hook piece 21b hooked to a part of a string or the like at the tip of the first pipe body 13 of the first unit 11. Is provided, a part of the operation string 41 of the lighting device 40 is sandwiched between the first hook piece 21a and the second hook piece 21b, and the operation string 41 is easily pulled. be able to. Further, the first pipe 15 ₁ of the base end of the largest diameter of the pipe body 13 of the first unit 11 internal thread portion 18 is formed, of the smallest diameter of the second pipe body 28 of the second unit 12 by threadable male thread portion 31 into the internal thread portion 18 at the distal end of the pipe 15 ₈ are provided, the first unit 11 by screwing the external thread portion 31 and the female screw portion 18 and the second unit 12 Can be connected to form a long telescopic club unit 1A. And in addition to being able to form a long telescopic club unit 1A by connection, the first unit 11 and the second unit 12 are formed to be detachable, and the first and second units 11 and 12 are connected to each other. Since the pipe main body portions 13 and 28 are formed so as to be extendable and contractible in the axial direction, the individual pipe main body portions 13 and 28 can be formed so that the size when reduced is small, and the user can easily carry them. An extensible retractable club unit 1A can be formed. Accordingly, the telescopic club unit 1A that can be easily carried by the user performing the inspection work and that can easily operate the operation string at a high place can be provided.

In this embodiment, the external thread portion 31 is formed in one end side of the rod member, a flange portion 32 which projects in a radial direction of the pipe 15 ₈ is provided at the proximal end of the male screw portion 31 When the connecting member 29 is configured and the male screw portion 31 is screwed into the female screw portion 18, the first end face of the first unit 11 is formed so as to contact the end face of the flange portion 32. When the pipe main body part 13 and the second pipe main body part 28 are connected, the wobbling between the first and second pipe main body parts 13 and 28 at the connecting part can be prevented. Thereby, the connection state of the 1st, 2nd pipe main-body parts 13 and 28 can be stabilized, and the operativity at the time of operating the operation string 41 in a high place can be improved.

In this embodiment, the pipe body 13 and each of the tip fitting hole portion 20 of the second unit 12 of the pipe body smallest diameter of the pipe 15 ₈ in 28 of the first unit 11 is formed, The hook member 14 and the male screw portion 31 are provided with a shaft member 22 and a fitting portion 33 which are inserted into the fitting hole portion 20 and are fitted, and the fitting portion is provided so that the telescopic retractable rod is provided. The first pipe body 13 and the second pipe body 28 forming the rod unit 1A can be manufactured as separate members from the hook member 14, the shaft member 22, and the fitting portion 33. The first pipe main body 13 and the second pipe main body 28 having the same configuration and having the same function and effect can be manufactured and shared by the same manufacturing process. . As a result, the manufacturing process can be rationalized and the cost can be reduced, and both the pipe main body portions 13 and 28 can be expanded and contracted by the same operation, thereby improving the operability.

In the above embodiment it is assumed to form a telescopic Kagibo unit 1A by mounting one of the second unit 12 to the first unit 11 one, pipe 15 ₁ of the base end of the second unit 12 A plurality of second units 12 can be connected by fitting a cap member 17 to the part, and a plurality of second units 12 can be attached to one first unit 11 to form a telescopic rod. As a result, it is possible to form an even longer telescopic club unit 1A by connection, and to form the individual pipe main body portions 13 and 28 so that the size when reduced is further reduced.

  In the above-described embodiment, the first hook piece 21a and the second hook piece 21b are connected and fixed at the base ends, but the present invention is not limited to this, and the first hook piece 21a and At least one of the second hooking pieces 21b can be moved in a direction in which the hooking pieces are close to each other, and the operation of the hooking pieces can be operated on the second unit 12 side. As a result, it is possible to grip and pull the operation string 41 without the knob 42 and improve operability.

  The above embodiment is an exemplification of the present invention, and it is needless to say that the present invention is not limited to the above embodiment.

It is a side view of the state which made the 1st unit and the 2nd unit of the telescopic club unit which concerns on embodiment of this invention isolate | separated. It is an enlarged side view of the vicinity of the front end of the first unit, and (b) an enlarged view of the front of the second unit. (A) An enlarged side view of the first unit and the second unit in the vicinity of the first unit and the second unit in the vicinity of the first unit of the telescopic rod unit, and (b) first. It is an enlarged side view of the state where the 2nd unit was connected. It is an enlarged side view of the base end part vicinity of the 2nd unit of an extendable club unit same as the above. It is a top view of the 1st unit of an extendable club unit same as the above. It is a perspective view which shows the state which connected and extended the 1st unit and the 2nd unit of the telescopic rod unit same as the above. It is an image figure which shows the use condition of a telescopic sticker unit same as the above.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1A ... Retractable club unit 11 ... First unit 12 ... Second unit 13 ... First pipe body (pipe body)
14 ... Hooking members 15 ₁ , 15 ₂ ,..., 15 ₈ ... Pipe 18... Female threaded portion 20... Fitting hole portion 21 a.
21b ... second hook piece (hook piece)
22 ... Shaft member (fitting part)
28 ... Second pipe body (pipe body)
29 ... Connecting member 31 ... Male screw part 32 ... Flange part 33 ... Fitting part

Claims (3)

Comprising a first unit and a second unit;
The first unit and the second unit are formed by combining a plurality of nested pipes having different diameters so as to be stretchable in the axial direction of the pipes. Each has a pipe body formed to be smaller,
A hook member having a hook piece hooked on a part of a string or the like is provided at the tip of the pipe main body portion of the first unit,
A female thread portion is formed at the proximal end of the pipe with the largest diameter in the pipe body portion of the first unit,
A male screw part that can be screwed into the female screw part is provided at the tip of the pipe having the smallest diameter in the pipe main body part of the second unit, and the first unit and the second unit are detachably formed. Telescopic stick unit characterized by being. The male screw part is formed on one end side of the rod member, and a flange part protruding in the radial direction of the pipe is provided at the base end of the male screw part to constitute a connecting member,
2. The telescopic structure according to claim 1, wherein when the male screw part is screwed into the female screw part, an end face of a base end of the first unit is in contact with an end face of the flange part. A club unit.   A fitting hole is formed at the tip of the smallest diameter pipe in the pipe body of the first unit and the pipe body of the second unit, respectively, and the hook member and the male thread are The telescopic rod unit according to claim 1, wherein a fitting portion that is inserted into and fitted into the fitting hole portion is projected.

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