JP5167047B2 - Smoke detector operation tester - Google Patents

Description

  The present invention relates to a smoke detector operation tester that performs an operation test of a smoke detector (or smoke alarm or smoke sensor) installed on a ceiling or the like using a test gas.

  For this type of smoke detector, a photoelectric smoke detector or an ion smoke detector that detects smoke particles generated by a fire at an early stage and detects the occurrence of the fire is used. For the operation test of the smoke detector, a cylinder gas filled with a smoke detector test gas such as chlorofluorocarbon gas is used.

As shown in Patent Document 1, 2, or 3, the operation test apparatus generally covers the smoke detector with a cover, and seals the periphery of the smoke detector with the test gas injected from the injection nozzle of the gas cylinder. A structure for dissipating in the cover is provided. Smoke detectors are usually mounted at a high installation position on the ceiling or in the vicinity of the wall, so a long operation rod is attached so that the inspection worker on the floor can reach the installation position. .
JP-A-8-77472 Shoko 60-5437 Japanese Patent Laid-Open No. 11-224386

  In the operation test apparatus of Patent Document 1, a bellows-like cover is attached to the tip of an operating rod, and a gas cylinder is installed at the bottom of the cover. The operating rod is pushed up, the bellows-like cover is reduced and deformed, and by the deformation, the pressing lever protruding from the gas cylinder is pressed against the ceiling surface to inject gas.

  However, in the case of this patent document 1, since the gas cylinder is installed in the lower part of the bellows-like cover attached to the tip of the operating rod, the weight is biased to the upper portion of the operating rod, and the inspection operator working on the floor surface lifts it. There is a problem that the balance is easily lost and the workability is lowered.

  In the operation tester of Patent Document 2, the gas cylinder is separated from the main body including the cover and placed at the operator's hand. A cover is attached to the distal end side of the operation rod, and a valve that opens by contacting the smoke detector is provided in the main body. It is connected to the injection nozzle of the gas cylinder through a hose drawn from the lower part of the valve.

  In this operation tester, the gas cylinder is separated from the main body including the cover, and there is no weight deviation at the upper part of the operation rod. However, in this case, since a valve for opening the injection nozzle is provided in the main body, an inspection worker working on the floor lifts the operating rod so that the valve properly contacts the smoke detector. It was necessary to work, and workability did not improve.

  In the operation tester of Patent Document 3, a cover covering the smoke detector is attached to the upper end side of the hollow pipe (operating rod), and the test gas injected from the injection nozzle of the gas cylinder is diffused into the cover through the pipe. Provide structure. The gas cylinder is installed in a gas cylinder storage section at the rear end of the pipe, and a handle portion is provided that allows an operator to hold the tester with one hand, and an operation lever for opening the nozzle of the gas cylinder is arranged inside the handle. For this reason, gas injection can be performed simply by holding the handle and operating the operation lever while the gas cylinder is stored in the gas cylinder storage.

  However, in the operation tester of Patent Document 3, since the operation mechanism for injecting the gas cylinder is remotely arranged at the rear end of the operation rod, the distance of the hollow pipe as the gas flow path becomes long. Therefore, it is necessary to eject the amount that reaches the inside of the cover sufficiently. For this reason, an extra gas amount is used for each test, which causes a problem that gas cylinders are consumed quickly.

  In view of the above problems, an object of the present invention is to improve the workability of the operation test of the smoke detector and reduce the consumption of the test gas in the operation test apparatus in which the gas cylinder is arranged separately from the cover. It is to provide an operational tester for the sensor.

  A first aspect of the present invention is a pipe having a cover covering a smoke detector attached to one end side, and an attachment / detachment mechanism in which a gas cylinder filled with a test gas is detachably attached to the rear end of the pipe. An operation test device that dissipates the test gas injected from the injection nozzle of the gas cylinder into the cover, and has an inner tube inserted through the pipe, and the start end of the tube is communicated with the injection nozzle. The inner tube is attached to the inside of the pipe, the open end of the tube is disposed at a predetermined position of the pipe, the test gas is introduced from the start end, and is discharged from the open end into the cover. This is a device for testing smoke detectors.

  The second aspect of the present invention is the smoke detector operation test apparatus according to the first aspect, wherein the wiping tool can be attached to the cover attachment portion of the pipe while the cover is attached. is there.

  According to a third aspect of the present invention, there is provided the smoke detector operation test apparatus according to the first aspect, wherein the wiping tool can be attached to the cover attaching portion of the pipe when the cover is removed.

  According to a fourth aspect of the present invention, in the first, second, or third aspect, the one end side of the pipe is branched in two directions: a pipe tip portion and an intersection portion that intersects the pipe, It is a smoke detector operation test apparatus in which the cover is detachably attached to each branch end by the cover attaching portion.

  The fifth mode of the present invention is the operation of the smoke detector according to the fourth mode, wherein the open end of the inner tube is arranged below the gas cylinder side from the branch point of the pipe tip and the intersection. Test equipment.

  According to a sixth aspect of the present invention, in any one of the fourth and fifth aspects, the smoke detection device is configured such that the cover is attached to one of the pipe tip and the intersecting portion, and the wiping tool is attached to the other. This is a device test equipment.

  According to a seventh aspect of the present invention, in the fourth, fifth, or sixth aspect, when the cover is attached to either the pipe tip portion or the intersecting portion, the other is sealed. This is a sensor operation test device.

  According to an eighth aspect of the present invention, in any one of the first to seventh aspects, a nozzle pressing member that presses the injection nozzle to inject the test gas is movable along the axial direction of the pipe. A through hole that is accommodated in the pipe and communicates with the injection nozzle and the pipe is formed in the nozzle pressing member, and the start end of the inner tube is fixed to the nozzle pressing member by communicating with the through hole. The smoke detector operation test device that sends the test gas injected through the through hole to the inner tube.

  According to a ninth aspect of the present invention, in the eighth aspect, a longitudinal groove having a predetermined length is formed by cutting out a side surface of the pipe along the axial direction of the pipe, and a flange portion is formed outside the longitudinal groove. A smoke detector that protrudes from the nozzle pressing member and moves the flange along the longitudinal groove so that the nozzle pressing member presses the injection nozzle to inject the test gas. This is an operation test device.

  According to a tenth aspect of the present invention, in any one of the first to ninth aspects, the attachment / detachment mechanism includes a cylinder attachment lock member that holds and locks the head of the gas cylinder, and the cylinder attachment lock member. The cylinder mounting cover member includes a cylindrical cylinder cover that is externally fitted and screwed, and the cylinder mounting lock member is housed and fixed in the rear end of the pipe, and is formed radially at the rear end of the hollow shaft section. A plurality of cylinder gripping claws, and the cylinder cover includes a front end portion screwed into the hollow shaft portion and a rear end portion formed open, and the rear end is formed inside the cylindrical cylinder cover. When the injection nozzle is inserted from the portion and the head of the gas cylinder is stored, the cylindrical cylinder cover is externally fitted to the cylinder mounting lock member and screwed, and the plurality of cylinder gripping claws are screwed by the screwing. Press inward to Gripping the head of the cylinder, a hydraulic test apparatus smoke detector.

  According to the first aspect of the present invention, the inner tube is attached to the inside of the pipe by connecting the start end of the inner tube inserted into the pipe as an operating rod to the injection nozzle, and the open end of the tube. Is arranged at a predetermined position of the pipe, a gas flow path between the cover and the injection nozzle of the gas cylinder is formed by the inner tube, and the test gas is introduced from the start end and the open end is Since it discharges | emits toward the inside of a cover, in the state which isolate | separated and arrange | positioned the said gas cylinder from the said cover, gas injection operation can be performed easily and the workability | operativity of an operation test can be improved. Moreover, since the inner tube as the gas flow path can be configured by a narrow tube having a smaller cross-sectional area than the pipe as the operation rod, the test gas can be released toward the cover more vigorously than the open end of the inner tube. Uses a small amount of gas.

  The cover according to the present invention may be in a form in which the test gas is filled around the smoke detector, and for example, a bowl-shaped or funnel-shaped shape is preferable. Further, the upper edge portion of the cover may be in a bellows shape so as to be in close contact with the ceiling surface or the like and easily pressed. Further, when covering the smoke detector, it is preferable to make the cover transparent or translucent so that an inspection operator can easily see it.

  Moreover, the said gas cylinder can use the cylinder with the spray nozzle used for the sprayer for general insecticides. The test gas is not limited to Freon gas, and gas such as hydrofluorocarbon and hydrochlorofluorocarbon, or mixed gas can be used.

  In the actual inspection operation of the smoke detector, the ceiling or the like is dirty, or oil stains or the like adhere to the smoke detector, so that it is necessary to perform a cleaning operation in order to create a good test environment. However, it is extremely inefficient and inconvenient for an inspection worker to move while carrying a large cleaning tool that reaches the ceiling.

  Therefore, according to the second embodiment of the present invention, the wiping tool can be attached to the cover attaching portion of the pipe while the cover is attached, so that a large cleaning tool is not carried. Prior to the operation test, a cleaning wiping tool can be attached to the pipe with the cover attached, and the pipe can be used as a part of the cleaning tool for easy cleaning, improving work efficiency. Can be made. By making the cover attaching portion into a screwing or fitting structure, the wiping tool can be screwed or fitted with one touch while the cover is attached.

  Further, according to the third aspect of the present invention, when the cover is removed, the wiping tool can be attached to the cover attaching portion of the pipe, so that it can be operated without carrying a large cleaning tool. Prior to the test, the cover can be removed and a mop cleaning tool can be attached to the pipe, and the pipe can be used as a part of the cleaning tool for easy cleaning, thereby improving work efficiency. . By making the cover attaching portion into a screwing or fitting structure, the wiping tool can be screwed or fitted with one touch with the cover removed.

  The wiping tool according to the present invention may be a handy type mop cleaning tool that is not bulky to carry.

  The actual state of installation of the smoke detector is not limited to the ceiling surface, and may be installed on an indoor side wall surface. For this reason, the operation tester with a cover attached to the tip of the operation rod is difficult to cover the smoke detector on the side wall surface, and it is also necessary to prepare a special operation tester with the cover attached sideways. Also occurs.

  Therefore, according to a fourth aspect of the present invention, the one end side of the pipe is branched in two directions, that is, a pipe tip portion and an intersecting portion intersecting the pipe, and the cover is attached to each branch end. Since the cover is detachably attached by the part, the cover is attached to each branch end according to the installation state of the smoke detector on the ceiling surface or the side wall surface, and the operation test of two roles with one unit Work becomes possible, and workability and convenience can be improved.

  In the fourth embodiment, when the one end side of the pipe is branched in two directions, the open end of the inner tube is disposed above the branch point of the pipe tip and the intersection, There is a risk that the amount of gas flow to the intersection will decrease. Therefore, according to the fifth aspect of the present invention, since the open end of the inner tube is arranged below the gas cylinder side from the branch point of the pipe tip and the intersection, the pipe tip side is sealed. Even when the test gas is released by attaching the cover to the intersecting portion, the ejection gas can be smoothly led to the intersecting portion, and the gas flow amount to the intersecting portion The operation test work can be performed without causing a decrease in.

  According to the sixth aspect of the present invention, since the cover can be attached to one of the pipe tip portion and the intersecting portion, and the wiping tool can be attached to the other, the smoke detector on the ceiling surface or the side wall surface can be attached. Depending on the installation situation, the cover can be attached to each branch end to improve convenience, and the pipe can be used as a part of a cleaning tool for easy cleaning. , Work efficiency can be improved.

  According to the seventh aspect of the present invention, when the cover is attached to one of the pipe tip and the intersection, the other is sealed, so that the gas ejected from the open end of the inner tube However, it is possible to perform an operation test operation with low gas consumption without causing the other to flow out to the other. The sealing can be performed by screwing or fitting a sealing cap that seals the branch end. In particular, the wiping tool is attached to the remaining branch end in combination with the cover. When doing, you may make it also use the said wiping tool as a sealing material by making the attachment part of the said wiping tool into a sealing structure.

  According to an eighth aspect of the present invention, a nozzle pressing member that presses the injection nozzle to inject the test gas is accommodated in the pipe so as to be movable along the axial direction of the pipe, and the injection A through hole for communicating the nozzle and the pipe is formed in the nozzle pressing member, and the start end of the inner tube is fixed to the nozzle pressing member in communication with the through hole, and is injected through the through hole. Since the gas is sent out to the inner tube, the operation of moving the nozzle pressing member on the lower end side of the pipe can be easily performed to adjust the gas injection, and the workability of the operation test can be improved.

  According to the ninth aspect of the present invention, since the test gas is injected by moving the flange portion protruding like a drawn iron along the longitudinal groove on the side surface of the pipe, the nozzle pressing member Thus, the operation of pressing the spray nozzle can be easily performed, and the workability of the operation test can be improved.

  According to a tenth aspect of the present invention, the attaching / detaching mechanism includes a cylinder mounting lock member that grips and locks the head of the gas cylinder, and a cylindrical cylinder cover that is externally fitted and screwed to the cylinder mounting lock member. The cylinder mounting lock member includes a hollow shaft portion housed and fixed at a rear end of the pipe, and a plurality of cylinder gripping claws formed radially at the rear end of the hollow shaft portion, and the cylinder The cover includes a front end portion screwed to the hollow shaft portion and an open rear end portion, and the injection nozzle is inserted from the rear end portion into the cylindrical cylinder cover so that the gas cylinder When the head is stored, the cylindrical cylinder cover is externally fitted and screwed to the cylinder mounting lock member, and the plurality of cylinder gripping claws are pressed inward by the screwing so that the head of the gas cylinder is moved. The grip is It may be conveniently carried out with one touch only screwing operation of the cylinder attachment locking member without the work of mounting or removal of the cylinder accompanied by a cumbersome operation.

  An operation test apparatus according to an embodiment of the present invention will be described below with reference to the drawings.

  FIG. 1 shows the overall configuration of an operation test apparatus according to this embodiment. The operation test apparatus includes a cover 1 for covering the smoke detector, an operation rod pipe 2 configured to be stretchable, and an attachment / detachment mechanism section 3 for detachably attaching a gas cylinder 5 filled with a test gas. Become. FIG. 1 shows a state in which a gas cylinder 5 is loaded.

  The operating rod pipe 2 has a double pipe structure composed of a small-diameter pipe 7 on the front end side and a large-diameter pipe 9 on the rear end side. The small-diameter pipe 7 is inserted into the large-diameter pipe 9 and The fastening member 8 provided on the side is fastened and held to a predetermined length. As will be described later, an inner tube 10 for introducing the injection gas from the injection nozzle 53 of the gas cylinder 5 is inserted into the small diameter pipe 7 and the large diameter pipe 9. The outer diameters of the small diameter pipe 7, the large diameter pipe 9, and the inner tube 10 are 16 mm, 17 mm, and 3 mm, respectively. The inner diameter of the inner tube 10 is 1 mm. The cover material and the pipe material can be made light and inexpensive by using ABS resin or the like.

  FIG. 2 is an exploded structural view showing the cover 1. The cover 1 has a bowl-shaped cup size that covers a smoke detector installed on a ceiling surface or the like. A joint nut 11 for screwing and attaching to the T-shaped joint member 6 is screwed to the bottom of the cover 1. The joint nut 11 has a hollow portion 19 and a flange portion 20. Four screw holes 22 are formed in the flange portion 20. A through-hole 17 is formed in the bottom of the cover 1, and four screw holes 18 corresponding to the screw holes 22 are formed around the hole. A screw is inserted into each screw hole 18 and each screw hole 22 from the open side of the cover 1, and the joint nut 11 is screwed to the cover 1. In this screwed state, the hollow portion 19 of the joint nut 11 communicates with the inside of the cover 1 through the through hole 17.

  FIG. 14 is a longitudinal sectional view of the joint nut 11. Inside the hollow portion 19 of the joint nut 11, a screw portion 21 a for screwing the wiping tool 54 and a screw portion 21 b for screwing with the joint member 6 are formed.

  FIG. 15 shows an example of the wiping tool 54 that is detachably mounted in the present embodiment. The wiping tool 54 includes a connecting shaft portion 55 in which a large number of wiping materials 62 are implanted, and the connecting shaft portion 55 includes a solid body that seals the hollow portion 19, and a screw portion for screwing with the screw portion 21 a. 56 is formed. The wiping material 62 is formed of a synthetic fiber, and each fiber is fixed with a charge (electt). With this fixed charge, dust on the cleaning surface can be adsorbed and wiped and cleaned. A wiping material that generates static electricity on the fiber material and adsorbs dust by static electricity may be used. In particular, according to the fixed charge method, it is possible to maintain a constant wiping efficiency and improve the cleaning efficiency in order to maintain a stable charge at all times, even in summer and in humid environments where static electricity is unlikely to occur. Can do.

  FIG. 3 is a side view of the joint member 6. The joint member 6 is composed of a T-shaped hollow tube for allowing the cover 1 and the like to be attached in the vertical direction and the orthogonal direction thereof, and forms an end portion of the operation rod pipe 2. And another open end 24 at an intersection that intersects at right angles to the direction of the open end 23. At the base of each of the open end 23 and the open end 24, screw portions 25 and 26 for screwing with the joint nut 11 or a sealing cap 12 described later are formed. The inner diameter of the straight portion of the joint member 6 is reduced in a taper shape, and the head of the small-diameter pipe 7 is press-fitted into the tapered portion 57 and coupled as shown by a broken line in the drawing.

  The attachment / detachment mechanism 3 includes a cylinder attachment lock member 28 that holds and locks the head of the gas cylinder 5, and a cylindrical cylinder cover 27 that is externally fitted to the cylinder attachment lock member 28 and screwed therein.

FIG. 4 is an external view of the cylinder mounting lock member 28. FIG. 5 is a partial cross-sectional view of the cylinder mounting lock member 28. FIG. 6 is a partial longitudinal sectional view of the cylinder mounting lock member 28. The cylinder mounting lock member 28 is formed radially outward on the hollow shaft portion 30, the screw portion 34 provided at the base of the hollow shaft portion, the pedestal portion 29 provided at the rear portion of the screw portion 34, and the pedestal portion 29. 4 cylinder gripping claws 32 are provided. The hollow shaft portion 30 includes a hollow portion 37 and a notch groove 31 formed in a longitudinal groove shape in the axial direction on a side portion thereof. The cylinder gripping claw 32 has a hook-like hook shape for tightening the cylinder head.

  As shown in FIG. 6, the hollow portion 37 communicates with the screw portion 34 and the through hole 33 of the pedestal portion 29. The threaded portion 34 is formed with a pipe insertion groove 36 along the outer periphery of the hollow shaft portion 30. Two mounting holes 35 for screwing the large-diameter pipe 9 are formed at the distal end side of the hollow shaft portion 30. As shown in FIG. 1, screw holes 15 and 16 are formed in the end portion of the large-diameter pipe 9 so as to correspond to the mounting holes 35. The cylinder mounting lock member 28 is fixed to the large-diameter pipe 9 by inserting the end of the large-diameter pipe 9 into the pipe insertion groove 36 and aligning the screw holes 15 and 16 with the mounting holes 35 and screwing them. be able to. A longitudinal groove 58 corresponding to the notch groove 31 is also notched along the axial direction at the end of the large-diameter pipe 9.

  (7A) and (7B) of FIG. 7 show the appearance and longitudinal section of the cylinder cover 27, respectively. The cylinder cover 27 has a cylindrical shape with a bottom 38 opened. The head portion 40 of the cylinder cover 27 is formed with an uneven portion 13 for tightening by hand. A reduced diameter portion 41 is formed on the distal end side of the head 40, and a screw portion 39 that is screwed with the screw portion 34 of the cylinder mounting lock member 28 is screwed inside the reduced diameter portion 41. An inclined portion 42 is formed on the lower end side of the head 40 so as to contact and press the cylinder gripping claws 32.

  FIG. 8 shows a screwed state of the cylinder cover 27 and the cylinder mounting lock member 28. The bottom portion 38 of the cylinder cover 27 is covered with the hollow shaft portion 30, is externally fitted to the cylinder attachment lock member 28, and is screwed together by screwing the screw portion 34 to the screw portion 39. The head of the gas cylinder 5 is inserted from the bottom portion 38 of the cylinder cover 27 and hooked on the cylinder gripping claw 32 of the cylinder mounting lock member 28. When the screw portion 34 and the screw portion 39 are screwed together, the inclined portion 42 is moved into the cylinder. By pressing the gripping claws 32 toward the cylinder body, the cylinder body can be fastened and held.

  FIG. 9 shows the nozzle pressing member 14 for pressing the injection nozzle 53 (see FIG. 11 described later) of the gas cylinder 5 to release the filling gas. FIG. 10 is a partial cross-sectional view of the nozzle pressing member 14. The nozzle pressing member 14 includes a cylindrical nozzle pressing portion 14 accommodated in a hollow portion 37 of a cylinder attachment lock member 28 fixed to the large-diameter pipe 9, and a slide plate extending below the side surface of the nozzle pressing portion 14. It is composed of a portion 45 and a trough-like flange portion 4 protruding from the slide plate portion 45. The nozzle pressing member 14 is slidably inserted into the cutout groove 31 formed in the hollow portion 37 of the slide plate portion 45 and is accommodated in the cylinder mounting lock member 28.

  As shown in FIG. 10, a through hole 44 is formed in the nozzle pressing portion 14 along the axial direction. The inner side of the one end portion 43 of the through-hole 44 is formed in a tapered shape, and further, through-hole portions 46 and 47 having different inner diameters are formed in steps so as to follow the shape of the injection nozzle 53.

  One end of the inner tube 10 is inserted into the end opposite to the end 43, and the start end 50 is inserted into the through hole 44. The inner tube 10 is a hollow tube having a small diameter. The inner tube 10 is fixed with an adhesive 49 at the end exit of the through hole 44, and the hollow portion 48 communicates with the through hole 44.

  As shown in FIG. 3, the open end 59 of the inner tube 10 has a branch point 51 of the joint member 6, that is, a central axis of the open end 23 in the straight direction of the joint member 6 and a central axis of the open end 2 of the intersection. It is located below the position of the intersection with. Therefore, even when the open end 23 of the pipe tip end is sealed, the cover 1 is attached to the intersecting portion, and the test gas is discharged from the open end 59, the ejected gas is smoothly supplied to the intersecting portion. The operation test operation can be performed without causing a decrease in the gas flow rate to the intersection.

  FIG. 11 is a longitudinal sectional view showing the periphery of the nozzle pressing member 14 when the gas cylinder 5 is mounted. In the drawing, the gas cylinder 5 is inserted from the bottom portion 38 of the cylinder cover 27 and the head 53 is fastened by the cylinder gripping claws 32. Reference numeral 60 in the drawing denotes a screw inserted into the mounting hole 35 and the screw hole 16 for fixing the cylinder mounting lock member 28 to the large-diameter pipe 9. As described above, the slide plate portion 45 of the cylindrical nozzle pressing portion 14 is accommodated in the hollow portion 37 of the cylinder mounting lock member 28 and is slidably inserted into the notch groove 31 and the large-diameter pipe 9. It is slidably inserted into the longitudinal groove 58 at the end. The flange 4 also penetrates the vertical groove 58 and protrudes to the outside. When the flange 4 protruded like a drawn iron is pulled and moved along the longitudinal groove 58 of the large-diameter pipe 9, the through holes 46 and 47 at the tip of the nozzle pressing portion 14 come into contact with the injection nozzle 53 and press. Then, the test gas filled in the gas cylinder 5 can be injected. By the ejection operation mechanism with the nozzle pressing portion 14 having the above configuration, the ejection operation of the ejection nozzle 53 can be easily performed, and the workability of the operation test can be improved.

  FIG. 12 shows an example of the usage state of the operation tester of this embodiment. This use example is a case where the cover 1 is attached to the open end 23 of the joint member 6 as shown in FIG. A bottomed sealing cap 12 is screwed onto the threaded portion 26 and sealed at the open end 24. An inspection worker holds the operation rod pipe 2 and covers the smoke detector 52 installed on the ceiling surface 61 with the cover 1. When the cover 4 in the cover state is pulled and operated at the bottom of the operation rod pipe 2, the test gas in the gas cylinder 5 is injected. The injected gas passes through the through hole 44 from the start end of the inner tube 11 communicating therewith, and is jetted from the upper open end 59. The gas ejected vigorously is dissipated in the sealed space covering the smoke detector 52 and is immediately filled, so that the operation test can be performed quickly.

  In the operation tester according to the present embodiment, the starting end of the inner tube 10 through which the small-diameter pipe 7 and the large-diameter pipe 9 are inserted is communicated with the injection nozzle 53 via the nozzle pressing portion 14, and the test gas is introduced from the starting end. Then, it is discharged from the open end 59 into the cover 1. Therefore, in a state where the gas cylinder 5 is separated from the cover 1 and remotely arranged, the gas injection operation can be easily performed and the workability of the operation test can be improved. In addition, the inner tube as the gas flow path can be constituted by a narrow tube having a smaller cross-sectional area than the pipe 79 as the operating rod, and the test gas can be released toward the cover 1 from the open end 59. Therefore, the gas used for the test Is a small amount.

  FIG. 13 shows another use state of the operation tester of this embodiment. In this use example, the cover 1 is screwed and attached to the open end 24 beside the joint member 6 via the joint nut 11. The sealing cap 12 is screwed onto the screw portion 25 and sealed at the open end 23. An inspection operator can hold the operation rod pipe 2 and cover the smoke detector installed on the side wall surface or the like different from the vertical direction, and perform the gas injection operation as in the case of FIG. Accordingly, in the present embodiment, the cover 1 can be attached in the vertical direction or the orthogonal direction by using the joint member 6 branched in a bifurcated shape, so that the smoke detectors such as the ceiling surface and the indoor side wall surface are installed. Accordingly, two units of the operation test work can be performed by one unit, and workability and convenience can be improved.

  FIG. 16 shows still another usage state of the operation tester of this embodiment. This usage example is a cleaning usage form in which the wiping tool 54 is attached while the cover 1 is attached to either one of the open ends 23 and 24 of the joint member 6. For example, when the smoke detector installed on the ceiling surface or its periphery is dirty and needs to be cleaned, it is attached to the open end 23 of the joint member 6 as shown by the solid line in FIG. By screwing the screw portion 56 of the wiping tool 54 onto the screw portion 21a of the joint nut 11 of the cover 1, the wiping tool 54 is attached to the tip of the operation rod pipe 2 in the vertical direction, and the operation rod pipe 2 is attached. It can be gripped and the mop cleaning of the ceiling surface can be performed smoothly. In addition, in drawing of the continuous line of FIG. 16, in order to clarify the wiping tool 54, a part of cover 1 is notched and shown.

  In addition, when the smoke detector installed on the side wall surface or its periphery is dirty and needs to be cleaned, it is attached to the open end 24 of the joint member 6 as shown by the broken line in FIG. By screwing the screw portion 56 of the wiping tool 54 onto the screw portion 21a of the joint nut 11 of the cover 1, the wiping tool 54 is attached to the tip of the operation rod pipe 2 in the orthogonal crossing direction, and the operation rod pipe 2 And mop cleaning of the side wall surface can be performed smoothly.

  As shown in the usage example of FIG. 16, in the operation tester according to the present embodiment, the wiping tool 54 can be attached to each branch end of the joint member 6 without removing the cover 1. It can be used for a part and can be easily cleaned, and it is not necessary to carry a cleaning tool separately, so that the inspection work efficiency can be improved.

  Since the wiping tool 54 is made of a solid body that seals the hollow portion 19 by screwing with the joint nut 11 as described above, as an operating mode of the operation tester according to the present embodiment, the open end of the joint member 6 is used. In addition to attaching the cover 1 to one of 23 and 24 and sealing the other with the sealing cap 12, the wiping tool 54 can be attached to the other and used together. The wiping tool 54 includes a detachable structure in which the screw portion 56 is inserted into and screwed into the joint nut 11, but the screw of the joint member 6 is removed in a state in which the screwing of the joint nut 11 is released and the cover 1 is removed. A detachable structure that is externally fitted to the portion 25 or 26 and screwed may be formed on the connecting shaft portion 55 of the wiping tool 54.

  It should be noted that the present invention is not limited to the above-described embodiment, and various modifications, design changes and the like within the scope not departing from the technical idea of the present invention are included in the technical scope. Nor.

  ADVANTAGE OF THE INVENTION According to this invention, the gas consumption used for the operation test of a smoke detector can be reduced, and the operation tester of the smoke detector which can aim at reduction of a test cost can be provided. In addition, it is possible to realize an operation test apparatus that can improve the workability in the configuration in which the gas cylinder is separated from the cover via the operation rod pipe and is remotely arranged.

1 is an overall configuration diagram of an operation test apparatus according to an embodiment of the present invention. It is a decomposition | disassembly structure figure which shows the cover 1 used for the said operation | movement test apparatus. It is a side view of the joint member 6 used for the said operation test apparatus. It is an external appearance perspective view of the cylinder cover 27 used for the said operation test apparatus. 3 is a partial cross-sectional view of a cylinder cover 27. FIG. 4 is a partial longitudinal sectional view of a cylinder cover 27. FIG. It is the external view and longitudinal cross-sectional view of the cylinder cover 27. It is sectional drawing which shows the screwing state of the cylinder cover 27 and the cylinder attachment locking member 28. It is an external appearance perspective view of the nozzle pressing member 14 used for the said operation test apparatus. FIG. 4 is a partial cross-sectional view of a nozzle pressing member 14. It is a longitudinal cross-sectional view of the nozzle pressing member 14 periphery when the gas cylinder 5 is mounted. It is sectional explanatory drawing which shows the example of a use condition at the time of the operation test of the said operation test apparatus. It is a whole block diagram which shows another use condition of the said operation test apparatus. It is a longitudinal cross-sectional view of the joint nut 11 used for the said operation test apparatus. It is an external view of the wiping tool 54 detachably mounted in the operation test apparatus. It is a whole block diagram which shows another use condition of the said operation test apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cover 2 Pipe for operation rod 3 Attachment / detachment mechanism part 4 collar part 5 Gas cylinder 6 T-shaped joint member 7 Small diameter pipe 8 Tightening member 9 Large diameter pipe 10 Inner tube 11 Joint nut 12 Sealing cap 13 Concavity and convexity part 14 Nozzle pressing member 15 Screw hole 16 Screw hole 17 Through hole 18 Screw hole 19 Hollow part 20 Flange part 21 Screw part 22 Screw hole 23 Open end 24 Open end 25 Screw part 26 Screw part 27 Cylinder cover 28 Cylinder mounting lock member 29 Base part 30 Hollow shaft part 31 Notch groove 32 Cylinder gripping claw 33 Through hole 34 Screw portion 35 Mounting hole 36 Pipe insertion groove 37 Hollow portion 38 Bottom portion 39 Screw portion 40 Head portion 41 Reduced diameter portion 42 Inclined portion 43 End portion 44 Through hole 45 Slide plate portion 46 Through-hole portion 47 Through-hole portion 48 Hollow portion 49 Adhesive 50 Start end 51 Branch point 52 Smoke detector 53 Le 54 wiping member 55 connecting shaft 56 threaded portion 57 tapered portion 58 longitudinal groove 59 open end 60 bis 61 ceiling 62 wiping material

Claims (8)

A pipe with a cover covering the smoke detector attached to one end, and a detachable mechanism in which a gas cylinder filled with a test gas is detachably attached to the rear end of the pipe, from the injection nozzle of the gas cylinder In the operation test device that dissipates the injected test gas into the cover, when a wiping tool can be attached to the cover attaching portion of the pipe while the cover is attached, or the cover is removed A wiping tool can be attached to the cover attachment portion of the pipe, and has an inner tube inserted through the pipe, and the inner tube is attached to the inside of the pipe by connecting the start end of the tube to the injection nozzle. , Disposing the open end of the tube at a predetermined position of the pipe, introducing the test gas from the start end and releasing the test gas from the open end into the cover. Operating the testing apparatus of the smoke detector to symptoms. 2. The pipe according to claim 1, wherein the one end side of the pipe is bifurcated in two directions, that is, a pipe front end portion and an intersecting portion intersecting the pipe, and the cover is detachably attached to each branch end by the cover attaching portion. The smoke detector operation test apparatus according to claim 1. The operation test apparatus for a smoke detector according to claim 2, wherein the open end of the inner tube is disposed below the gas cylinder side from a branch point between the pipe tip and the intersection. The operation test apparatus for a smoke detector according to claim 2 or 3, wherein the cover is attached to one of the pipe tip and the intersection, and the wiping tool is attached to the other. The operation test apparatus for a smoke detector according to claim 2 or 3, wherein when the cover is attached to one of the pipe tip and the intersection, the other is sealed. A nozzle pressing member that presses the injection nozzle to inject the test gas is accommodated in the pipe so as to be movable along the axial direction of the pipe, and a through-hole that connects the injection nozzle and the pipe is formed in the pipe. A nozzle pressing member is drilled, communicated with the through hole, the start end of the inner tube is fixed to the nozzle pressing member, and the test gas injected through the through hole is sent to the inner tube. 6. The smoke detector operation test apparatus according to any one of 5 above. A longitudinal groove having a predetermined length is formed by cutting the side surface of the pipe along the axial direction of the pipe, and a flange portion is projected from the longitudinal groove to the outside so as to protrude from the nozzle pressing member. The operation test device for a smoke detector according to claim 6, wherein the nozzle pressing member presses the injection nozzle to inject the test gas by moving along the vertical groove. The attachment / detachment mechanism includes a cylinder attachment lock member that holds and locks the head of the gas cylinder, and a cylindrical cylinder cover that is externally fitted and screwed to the cylinder attachment lock member. A hollow shaft portion housed and fixed at the rear end of the pipe, and a plurality of cylinder gripping claws formed radially at the rear end of the hollow shaft portion, wherein the cylinder cover is screwed to the hollow shaft portion. And a rear end portion formed open, and when the injection nozzle is inserted into the cylindrical cylinder cover from the rear end portion and the head of the gas cylinder is stored, the cylindrical shape The cylinder cover is externally fitted and screwed to the cylinder mounting lock member, and the plurality of cylinder gripping claws are pressed inward by the screwing to grip the head of the gas cylinder. Smoke detection Of the operating test equipment.

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