JP4312061B2 - Blower nozzle for vacuum cleaner - Google Patents

Description

  The present invention relates to a blower nozzle for a vacuum cleaner, and more particularly to a blower nozzle for a vacuum cleaner that ejects compressed air for removing dust generated inside a financial terminal.

For financial institutions such as banks and post offices, ATMs (Automatic Teller Machines), CDs (Cash Dispensers), banknote counters, securities counters, branch office terminals, etc. that handle cash In recent years, ATMs have also been installed at specific convenience stores.
Inside the financial terminal, a large number of optical sensors including a projector and a light receiver, a banknote transport device for transporting banknotes, a banknote transport path, and the like are disposed.

  And while a bill is actually circulating, dust adheres to the surface of the bill and gets dirty.

Since the banknotes are counted at high speed inside the financial terminal, a large amount of dust is generated, and when the banknotes are transported by the banknote transport apparatus or the banknote transport path, the surface of the banknote is the transport belt, transport roller, Dust that is strongly rubbed on the banknote transport path and peels off the dust attached to the surface of the banknotes, which is generated inside the financial terminal, and is also floating in the atmosphere. Will enter the inside of the financial terminal due to static electricity generated by the air flow or friction, etc., so that the dust will become the object to be cleaned inside the financial terminal with the passage of time. , If a large amount of dust adheres to the surface of the projector or receiver of the optical sensor and adheres to the transport roller or banknote transport path, the detection function of the optical sensor itself deteriorates, which may affect the operation of the financial terminal. Which may cause a convenience.
Therefore, a maintenance worker regularly performs a cleaning operation for removing dust adhering to the object to be cleaned inside the financial terminal.

  To clean the dust attached to the object to be cleaned inside the financial terminal, a maintenance worker uses a commercially available vacuum cleaner with a blower function. After inserting and connecting one end, connect the base end of the suction / blower spot nozzle to the other end of the vacuum cleaner hose and attach the spot nozzle to the other end of the vacuum cleaner hose. Compressed air ejected from the tip of the spot nozzle tip to the surface of the light projectors and receivers of many optical sensors, the conveyor belts, conveyor rollers, and banknote transport paths of the banknote transport device. The attached dust is removed by blowing away.

2. Description of the Related Art Conventionally, an electric blower includes a main body case incorporating an electric blower, a suction nozzle connected to the suction side of the electric blower, an exhaust hole connected to the exhaust side of the electric blower, and portable means provided in the main body case. Patent Document 1 discloses a portable vacuum cleaner having a blower nozzle connected to the exhaust side of the motor and a switching valve that switches a communication state between the blower nozzle and the exhaust hole of the electric blower.
JP 2000-245659 A

  However, at present, a spot nozzle for both suction and blower, which is a standard accessory of a vacuum cleaner, is used as a blower nozzle, and since the diameter of the outlet at the tip of the spot nozzle is large, it is ejected from the outlet of the spot nozzle. Since the jet output of compressed air is weakened and the jet pressure of the compressed air jetted from the outlet of the spot nozzle is low, the surface of the projectors and receivers of a number of photosensors arranged inside the financial terminal, Dust adhering to the transport belt, transport roller, banknote transport path, etc. of the banknote transport device cannot be efficiently and surely removed by blowing it off with the compressed air ejected from the spot nozzle ejection port. The surface of the light projectors and receivers of many optical sensors that are the objects to be cleaned inside the financial terminal, the conveyor belts, conveyor rollers, and banknote transport paths When removing dust adhering to the spot nozzle, if the jet outlet at the tip of the spot nozzle is brought close to the object to be cleaned, the cleaning portion of the object to be cleaned is hidden by the tip of the spot nozzle. The cleaning area of the object to be cleaned is difficult to see from the eyes of the maintenance worker, and the tip of the spot nozzle may hit the cleaning area of the object to be cleaned, and the cleaning area of the object to be cleaned may be damaged by the tip of the spot nozzle. there were.

  Further, in the portable vacuum cleaner disclosed in Patent Document 1, since the diameter of the compressed air ejection port at the tip of the blower nozzle is large, the jet output of the compressed air ejected from the compressed air ejection port of the blower nozzle becomes weak, and the blower nozzle Since the jet pressure of the compressed air ejected from the compressed air outlet is low, the surface of the projectors and receivers of many photosensors installed inside the financial terminal, the conveyor belt of the banknote transport device, the transport roller, and the banknote transport Dust adhering to the road and the like cannot be efficiently and surely removed by being blown away by the compressed air ejected from the compressed air outlet of the blower nozzle, and the maintenance worker becomes an object to be cleaned inside the financial terminal. When removing dust adhering to the surface of the projectors and receivers of many optical sensors, the conveyor belts, conveyor rollers, and banknote conveying paths of banknote conveyors, When the compressed air outlet at the end is brought close to the object to be cleaned, the cleaning part of the object to be cleaned is hidden by the tip of the blower nozzle, so the cleaning part of the object to be cleaned is difficult to see from the eyes of the maintenance worker. The tip of the blower nozzle is applied to the cleaning location of the object to be cleaned, and the cleaning location of the object to be cleaned may be damaged at the tip of the blower nozzle.

  Accordingly, an object of the present invention has been made in view of the above circumstances, and the front end of the nozzle body attached to the end of the hose of the vacuum cleaner with a blower function is connected to the connection port at the base end of the nozzle body. Since the straight pipe part of the nozzle body fits outside the tip of the nozzle body simply by inserting it into the straight pipe part from the nozzle body, the nozzle body can be easily connected to the end of the hose of the vacuum cleaner via the nozzle body. Since the diameter of the compressed air outlet at the tip of the nozzle body is smaller than the diameter of the compressed air outlet of the conventional blower nozzle, the jet power of the compressed air ejected from the compressed air outlet of the nozzle body is strong. Since the jet pressure of the compressed air ejected from the compressed air jet port of the nozzle body is high, the surface of the light projectors and receivers of a large number of optical sensors arranged inside the financial terminal, the transport belt of the banknote transport device, Transport roller, Dust adhering to the bill transport path etc. can be efficiently and surely removed by blowing away with compressed air ejected from the compressed air outlet of the nozzle body. Clean the compressed air outlet at the tip of the nozzle body when removing dust adhering to the surface of the projectors and receivers of many optical sensors, the conveyor belts, conveyor rollers, and banknote conveying paths of banknote conveyors. Since the tapered tubular part of the nozzle body is inclined to one side of the straight pipe part even when approaching the object, the cleaning part of the object to be cleaned is not hidden by the tip part of the nozzle body, and the object to be cleaned It is an object of the present invention to provide a blower nozzle for a vacuum cleaner that is easy to see from a maintenance worker's eyes and that can prevent damage to the cleaning portion of the object to be cleaned due to the tip of the nozzle body.

The blower nozzle for a vacuum cleaner of the present invention has a connection port for inserting and connecting a tip end portion of a nozzle body attached to an end portion of the hose of the vacuum cleaner at a base end on the air inlet side, and a tip on the air outlet side A blower nozzle for a vacuum cleaner comprising a nozzle body having a compressed air outlet for ejecting compressed air compressed from the exhaust discharged from the exhaust port of the vacuum cleaner, wherein the nozzle body is the base A straight pipe portion that is slightly reduced in diameter from the end toward the middle of the tip, and is integrally formed at one end on the end of the straight pipe portion, with an acute angle with respect to the central axis of the straight pipe portion A taper tubular portion having a diameter that is larger than that of the straight pipe portion from the proximal end toward the distal end in the intersecting central axis direction, and a boundary between the straight pipe portion and the tapered tubular portion at the proximal end of the nozzle body With an inner diameter slightly larger than the inner diameter of the part A connection port having a circular surface is formed, and a compressed air outlet substantially smaller than an inner diameter of a boundary portion between the straight tube portion and the tapered tubular portion is formed at a tip of the nozzle body, and the straight tube portion of the nozzle body Is fitted to the outside of the tip of the nozzle body, and the air outlet at the tip of the nozzle body is located at the boundary between the straight tube portion and the taper tubular portion of the nozzle body, and the exhaust inside the taper tubular portion is exhausted. It is communicated with the passage,
The intersecting angle between the central axis of the straight pipe portion of the nozzle body and the central axis of the tapered tubular portion is in the range of 5 ° to 20 ° .

According to the present invention described above, when the tip of the nozzle body attached to the end of the hose of the vacuum cleaner is inserted and connected to the inside of the straight pipe portion from the connection port formed at the base end of the nozzle body, the nozzle The straight pipe part of the main body fits outside the tip of the nozzle body, the nozzle body is attached to the end of the hose of the vacuum cleaner via the nozzle body, and the length of the straight pipe part of the nozzle body is long. The nozzle body does not come off from the tip of the nozzle body, and compressed air is ejected from a compressed air jet formed at the tip of the nozzle body. Dust adhering to the surface of the light receiver, the conveyor belt of the banknote transport device, the transport roller, the banknote transport path, and the like can be removed by being blown away by the compressed air ejected from the compressed air outlet of the nozzle body.
In addition, since the intersecting angle between the central axis of the straight pipe portion of the nozzle body and the central axis of the tapered tubular portion is in the range of 5 ° to 20 °, the tapered tubular portion of the nozzle body is a vacuum cleaner for an electric vacuum cleaner. The flow of the exhaust discharged from the exhaust port of the main body is hardly obstructed, and the exhaust discharged from the air outlet of the nozzle body smoothly flows in the tapered tubular portion of the nozzle body, so that the noise can be suppressed low. When the maintenance worker removes the dust adhering to the object to be cleaned inside the financial terminal, the center of the tapered tubular portion of the nozzle body is maintained even if the compressed air outlet at the tip of the nozzle body is close to the object to be cleaned. Since the axis is inclined with respect to the central axis of the straight pipe portion at an optimum angle for cleaning the object to be cleaned, there is no risk that the object to be cleaned will be hidden at the tip of the tapered tubular part. The cleaning part is a maintenance work. It is easy to see from a worker's eyes, and it is possible to prevent damage due to the tip of the tapered tubular portion at the cleaning location of the object to be cleaned.

  In the blower nozzle for a vacuum cleaner of the present invention, the material of the nozzle body is a thermoplastic resin such as polypropylene.

  According to the present invention described above, since the material of the nozzle body is a thermoplastic resin such as polypropylene, the nozzle body is excellent in impact resistance, the manufacturing cost of the nozzle body is low, and the object to be cleaned is damaged. It is difficult to recycle the nozzle body as a resource.

  In the blower nozzle for a vacuum cleaner of the present invention, the end surface shape of the compressed air jet formed at the tip of the nozzle body is circular.

  According to the present invention described above, since the end surface shape of the compressed air outlet formed at the tip of the nozzle body is circular, air flows most efficiently in the cross section as compared with the case where it is not circular. Dust adhering to the surfaces of the projectors and light receivers of a large number of photosensors disposed inside can be efficiently blown away by the compressed air ejected from the compressed air outlet at the tip of the nozzle body.

  The blower nozzle for an electric vacuum cleaner of the present invention is formed so that the compressed air outlet at the tip of the nozzle body corresponds to the shape of the cleaning location of the object to be cleaned.

  According to the present invention described above, since the compressed air outlet at the tip of the nozzle body is formed so as to correspond to the shape of the cleaning location of the object to be cleaned, the object to be cleaned which is intended to clean the blower nozzle Can be selected freely according to the shape of the cleaning part.

As described above, according to the present invention, the tip of the nozzle body attached to the end of the hose of the vacuum cleaner with a blower function is inserted into the straight pipe portion from the connection port at the base end of the nozzle body. Since the straight tube part of the nozzle body fits outside the tip of the nozzle body, the nozzle body can be easily attached to the end of the hose of the vacuum cleaner via the nozzle body. Since the diameter of the compressed air outlet of the tip is smaller than the diameter of the compressed air outlet of the conventional blower nozzle, the jet output of the compressed air ejected from the compressed air outlet of the nozzle body becomes stronger, and the air at the tip of the nozzle body Since the jet outlet is located at the boundary between the straight pipe portion and the tapered tubular portion of the nozzle body and communicates with the exhaust passage inside the tapered tubular portion, it is discharged from the air jet outlet of the nozzle body at the tapered tubular portion of the nozzle body. Squeeze the exhaust pressure Because the compressed air jet pressure from the compressed air outlet of the nozzle body is high, the surface of the projectors and receivers of a number of optical sensors arranged inside the financial terminal, Dust adhering to the transport belt, transport roller, banknote transport path, etc. of the banknote transport device can be efficiently and surely removed by blowing away the compressed air ejected from the compressed air outlet of the nozzle body. Since the intersecting angle between the central axis of the head portion and the central axis of the tapered tubular portion is within the range of 5 ° to 20 °, the tapered tubular portion of the nozzle body is discharged from the exhaust port of the vacuum cleaner body of the vacuum cleaner. less likely to inhibit the flow of exhaust that, since the exhaust gas discharged from the air injection port of the nozzle body flows smoothly tapered tubular portion of the nozzle body, it is possible to suppress the noise, yet When maintenance workers remove dust adhering to the surface of the light projectors and receivers of many optical sensors that are objects to be cleaned inside the financial terminal, the transport belt, transport roller, bill transport path, etc. of the bill transport device Even if the maintenance worker grasps the nozzle body by hand and brings the compressed air outlet at the tip of the nozzle body close to the object to be cleaned, the central axis of the tapered tubular portion of the nozzle body is in relation to the central axis of the straight pipe portion. Since it is tilted at an optimum angle for cleaning the object to be cleaned, there is no risk that the object to be cleaned will be hidden by the tip of the tapered tubular section , and the distance from the maintenance worker's hand to the tip of the nozzle body Because it is close, the cleaning location of the object to be cleaned is easy to see from the eyes of the maintenance worker, and it is possible to prevent damage due to the tip of the tapered tubular portion of the cleaning location of the object to be cleaned. While checking the cleaning work with your eyes Air Burowanozuru of the electric vacuum cleaner capable of performing can be obtained.

  The best mode for carrying out the present invention will be described below in detail with reference to the drawings.

The blower nozzle for a vacuum cleaner of the present invention has a connection port 12 for connecting the tip end 4b of the spot nozzle 4 which is a nozzle body mounted on the end of the hose of the vacuum cleaner to the base end 1a on the air inlet side. And a nozzle body 1 having a compressed air outlet 13 for jetting compressed air obtained by compressing the exhaust discharged from the exhaust outlet of the vacuum cleaner main body of the vacuum cleaner at the tip 1b on the air outlet side.

The blower nozzle for an electric vacuum cleaner according to the present invention includes a straight pipe portion 10 having a nozzle body 1 that is slightly reduced in diameter from the base end 1a to the middle of the tip end 1b, and a single end inclined to one end of the straight pipe portion 10 at one end. The tapered tubular portion 11 is formed to have a larger diameter than the straight tube portion 10 from the proximal end 1a toward the distal end 1b in the direction of the central axis C2 that intersects the central axis C1 of the straight tube portion 10 at an acute angle. The end face 1b of the nozzle body 1 is formed at the base end 1a of the nozzle body 1 with an end face circular connection port 12 having an inner diameter slightly larger than the inner diameter of the boundary portion between the straight pipe portion 10 and the tapered tubular portion 11. Compressed air jets 13 are formed which are considerably smaller than the inner diameter of the boundary portion between the straight tube portion 10 and the tapered tubular portion 11, and the straight tube portion 10 of the nozzle body 1 is fitted outside the tip portion 4 b of the spot nozzle 4. The air at the tip of the spot nozzle 4 Outlet communicates with the exhaust passage of the internal tapered tubular portion 11 located at the boundary between the straight tube portion 10 and the tapered tubular portion 11 of the nozzle body 1.

  In the blower nozzle for a vacuum cleaner of the present invention, the intersecting angle θ between the central axis C1 of the straight pipe portion 10 of the nozzle body 1 and the central axis C2 of the tapered tubular portion 11 is in the range of 5 ° to 20 °. .

  In the blower nozzle for a vacuum cleaner of the present invention, the material of the nozzle body 1 is a thermoplastic resin such as polypropylene.

  In the blower nozzle for a vacuum cleaner of the present invention, the end surface shape of the compressed air outlet 13 formed at the tip 1b of the nozzle body 1 is circular.

  The blower nozzle for a vacuum cleaner of the present invention is formed so that the compressed air jet 13 at the tip 1b of the nozzle body 1 corresponds to the shape of the cleaning location of the object to be cleaned.

FIG. 1 is a front sectional view showing a blower nozzle for a vacuum cleaner according to a first embodiment of the present invention, FIG. 2 is a left side view of FIG. 1, FIG. 3 is a right side view of FIG. The front view which shows the attachment state to the hose of the vacuum cleaner blower nozzle of 1st Example which concerns on this invention, FIG. 5: Vacuum cleaning of the blower nozzle for vacuum cleaners of 1st Example which concerns on this invention The principal part expanded sectional view which shows the connection state to the hose of a machine, FIG. 6: is a schematic perspective view which shows the use condition of the blower nozzle for vacuum cleaners of 1st Example which concerns on this invention.
As shown in FIG. 1, the blower nozzle has a nozzle body 1, and a base end 1 a of the nozzle body 1 is attached to the end of the hose 3 of the electric vacuum cleaner 2 shown in FIG. 4 as shown in FIG. 2. A circular connection port 12 having a large inner diameter that opens toward one side for inserting and connecting the tip 4b of the spot nozzle 4 is formed, and the tip 1b of the nozzle body 1 is formed at the tip 1b of FIG. As shown, the end face is circular with a small inner diameter that opens toward the other side to eject compressed air that is compressed from the exhaust port (not shown) of the vacuum cleaner body 20 of the vacuum cleaner 2. A compressed air jet 13 is formed, and the tip 1b of the nozzle body 1 is formed in parallel with the base end 1a.

  And the compressed air jet 13 formed in the front-end | tip 1b of the nozzle body 1 of the blower nozzle for vacuum cleaners of 1st Example of this invention shown in FIG. 3 is the projector of the optical sensor arrange | positioned inside the financial terminal 5 It corresponds to a round object to be cleaned such as a light receiver.

  As shown in FIG. 1, the nozzle body 1 of the blower nozzle has a straight tubular portion 10 having a tapered tubular shape with a diameter slightly reduced from the base end 1 a toward the middle of the distal end 1 b in the direction of the central axis C <b> 1. At the distal end, a tapered tubular portion 11 whose diameter is greatly reduced from the proximal end 1a toward the distal end 1b in the direction of the central axis C2 intersecting the central axis C1 of the straight pipe portion 10 at an acute angle is inclined to one side. Are integrally formed.

  The inner diameter of the connection port 12 formed at the base end 1 a of the nozzle body 1 of the blower nozzle is slightly larger than the inner diameter of the boundary portion between the straight tube portion 10 and the tapered tubular portion 11 of the nozzle body 1.

  The overall length of the nozzle body 1 of the blower nozzle is 100 mm, the length of the straight tube portion 10 of the nozzle body 1 is 25 mm, and the length of the tapered tubular portion 11 of the nozzle body 1 is 75 mm.

  The inner diameter of the connection port 12 formed at the base end 1a of the nozzle body 1 of the blower nozzle is 15.9 mm, and the inner diameter of the straight pipe portion 10 at a position 20 mm from the base end 1a of the nozzle body 1 is 14 9 mm, the inner diameter of the compressed air jet 13 formed at the tip 1b of the nozzle body 1 is 5 mm.

  Furthermore, the crossing angle θ at which the central axis C1 of the straight pipe portion 10 of the nozzle body 1 of the blower nozzle intersects with the central axis C2 of the tapered tubular portion 11 is 9 °.

As shown in FIG. 4, the nozzle body 1 of the blower nozzle is first attached to the hose 3 of the vacuum cleaner 2 as shown in FIG. 4 by connecting the hose to the exhaust port (not shown) of the vacuum cleaner body 20 of the vacuum cleaner 2 with a blower function. The one end part 3a of 3 is inserted and connected.
Next, the base end 4 a of the spot nozzle 4 is connected to the other end 3 b of the hose 3 of the vacuum cleaner 2, and the spot nozzle 4 is attached to the other end of the hose 3 of the vacuum cleaner 2.

Thereafter, by inserting the tapered tubular tip portion 4b of the spot nozzle 4 into the straight pipe portion 10 from the connection port 12 formed at the base end 1a of the nozzle body 1 of the blower nozzle, as shown in FIG. The straight pipe portion 10 of the main body 1 is fitted to the outside of the tip portion 4b of the spot nozzle 4, and the inner peripheral surface 14 of the straight pipe portion 10 of the nozzle body 1 of the blower nozzle and the outer peripheral surface 40 of the tip portion 4b of the spot nozzle 4 Are in close contact with each other, the air outlet at the tip of the spot nozzle 4 is located at the boundary between the straight tube portion 10 and the tapered tubular portion 11 of the nozzle body 1, and the compressed air jet formed at the tip 1b of the nozzle body 1 of the blower nozzle The outlet 13 communicates with the exhaust port of the vacuum cleaner body 20 of the electric vacuum cleaner 2 via the spot nozzle 4 and the hose 3, and as shown in FIG. It is attached to the other end of the hose 3 of the electric vacuum cleaner 2 via the Le 4.

Next, the usage method of the blower nozzle for vacuum cleaners of 1st Example based on this invention is demonstrated.
When removing dust adhering to an object to be cleaned inside the financial terminal 5 with a blower nozzle for a vacuum cleaner, first, a switch (not shown) of the vacuum cleaner body 20 of the vacuum cleaner 2 is turned on, When the vacuum cleaner 2 is operated, exhaust is discharged from the exhaust port of the vacuum cleaner body 20 of the vacuum cleaner 2, and the exhaust discharged from the exhaust port of the vacuum cleaner body 20 of the vacuum cleaner 2 is the hose 3 and the spot nozzle. 4 flows into the tapered tubular portion 11 of the nozzle body 1 of the blower nozzle, and the tapered tubular portion 11 of the nozzle body 1 of the blower nozzle restricts the exhaust discharged from the exhaust port of the cleaner body 20 of the electric vacuum cleaner 2. Compressed air is jetted from a compressed air jet 13 formed at the tip 1b of the nozzle body 1 of the blower nozzle.

The maintenance worker P grasps the spot nozzle 4 attached to the other end 3b of the hose 3 of the vacuum cleaner 2 by hand, and attaches the tip 1b of the nozzle body 1 of the blower nozzle to the inside of the financial terminal 5 as shown in FIG. By bringing the object to be cleaned closer to the cleaning location of the object to be cleaned, the surfaces of the light projectors and receivers of a large number of optical sensors, which are objects to be cleaned, disposed inside the financial terminal 5, the conveyance of the banknote conveying device Dust adhering to a belt, a conveyance roller, a banknote conveyance path, etc. is blown off by the compressed air which ejects from the compressed air ejection port 13 of the front-end | tip 1b of the nozzle main body 1 of a blower nozzle, and is removed.

  Furthermore, the electricity of dust adhering to the surfaces of the projectors and receivers of a number of optical sensors that are objects to be cleaned disposed inside the financial terminal 5, the conveyor belt, the conveyor roller, the banknote conveying path of the banknote conveying apparatus, etc. After the removal by the blower nozzle for the vacuum cleaner is completed, the one end 3a of the hose 3 is inserted and connected to the intake port (not shown) of the vacuum cleaner body 20 of the vacuum cleaner 2, and the hose 3 of the vacuum cleaner 2 is connected. A base end portion of a suction body (not shown) is inserted and connected to the other end portion 3b, a suction body is attached to the end portion of the hose 3 of the vacuum cleaner 2, and dust inside the financial terminal 5 is removed from the vacuum cleaner 2 Using the suction function, the air is sucked into the dust collecting chamber inside the vacuum cleaner body 20 together with the air, and the normal cleaning operation of the dust inside the financial terminal 5 by the vacuum cleaner 2 is performed.

FIG. 7 is a front sectional view of a blower nozzle for a vacuum cleaner according to a second embodiment of the present invention.
The blower nozzle for a vacuum cleaner according to the present invention has a compressed air jet port 15 that opens obliquely upward as shown in FIG. 7 at the tip 1b of the nozzle body 1, and the other structure of the nozzle body 1 is as follows. Since it is exactly the same as the blower nozzle for a vacuum cleaner of the first embodiment of the present invention shown in FIG.
The method for using the blower nozzle for the vacuum cleaner according to the second embodiment of the present invention is the same as that of the blower nozzle for the vacuum cleaner according to the first embodiment of the present invention shown in FIG.

FIG. 8 is a front sectional view of a blower nozzle for a vacuum cleaner according to a third embodiment of the present invention.
As shown in FIG. 8, the blower nozzle for a vacuum cleaner of the present invention has a compressed air jet 16 that opens obliquely downward, as shown in FIG. Since it is exactly the same as the blower nozzle for a vacuum cleaner of the first embodiment of the present invention shown in FIG.
Further, the method of using the blower nozzle for the vacuum cleaner of the third embodiment according to the present invention is exactly the same as the blower nozzle for the vacuum cleaner of the first embodiment of the present invention shown in FIG.

FIG. 9: is a right view which shows the blower nozzle for vacuum cleaners of 4th Example based on this invention.
The blower nozzle for a vacuum cleaner according to the present invention is formed at the tip 1b of the nozzle body 1, as shown in FIG. 9, with the compressed air outlet 13 of the blower nozzle for a vacuum cleaner according to the first embodiment of the present invention shown in FIG. A rectangular compressed air outlet 17 having a different shape is formed.

  And the compressed air outlet 17 formed in the front-end | tip 1b of the nozzle body 1 of the blower nozzle for vacuum cleaners of 4th Example of this invention shown in FIG. It corresponds to the object to be cleaned.

FIG. 10: is a right view which shows the blower nozzle for vacuum cleaners of 5th Example based on this invention.
The blower nozzle for a vacuum cleaner according to the present invention is, as shown in FIG. 10, formed at the tip 1b of the nozzle body 1 with the compressed air outlet 17 of the blower nozzle for a vacuum cleaner according to the fourth embodiment of the present invention shown in FIG. A rectangular (rectangular) compressed air outlet 18 having a horizontally elongated groove shape which is a different shape is formed.

  And the compressed air ejection port 18 formed in the front-end | tip 1b of the nozzle body 1 of the blower nozzle for vacuum cleaners of 5th Example of this invention shown in FIG. 10 is the banknote conveying apparatus arrange | positioned inside the financial terminal 5. As shown in FIG. It corresponds to a planar object to be cleaned such as a conveyor belt.

  Furthermore, the blower nozzle for a vacuum cleaner of the present invention is formed so that the compressed air outlet at the tip of the nozzle body corresponds to the shape of the cleaning portion of the object to be cleaned inside the financial terminal, and the blower nozzle is cleaned. It is possible to select freely according to the shape of the cleaning location of the object to be cleaned.

  In addition, as a financial terminal using the blower nozzle for vacuum cleaners of this invention, a banknote calculator, a money changer, a cash processing machine, UBT (bank terminal), various cashiers, ADS, bill / check reading and identification device, bill / check Issuing machine, cash sorting machine, micro sorter, encoder, tailor's machine, banknote banding machine, open teller machine, UM equipment, auto cashier, banknote storage machine, money / banknote sorting machine, coin winding machine, card sealing machine Examples include a mount cutter.

  The blower nozzle for a vacuum cleaner according to the present invention can also be used for cleaning the inside of information processing terminals such as automatic ticket gates and vending machines other than financial terminals and copiers, fax machines, printers, and multifunction machines.

BRIEF DESCRIPTION OF THE DRAWINGS The front sectional view which shows the blower nozzle for vacuum cleaners of 1st Example which concerns on this invention. The left view of FIG. The right view of FIG. The front view which shows the attachment state to the hose of the vacuum cleaner of the vacuum cleaner blower nozzle of 1st Example which concerns on this invention. The principal part expanded sectional view which shows the connection state to the hose of the vacuum cleaner of the blower nozzle for vacuum cleaners of 1st Example which concerns on this invention. The schematic perspective view which shows the use condition of the blower nozzle for vacuum cleaners of 1st Example which concerns on this invention. Front sectional drawing of the blower nozzle for vacuum cleaners of 2nd Example which concerns on this invention. Front sectional drawing of the blower nozzle for vacuum cleaners of 3rd Example which concerns on this invention. The right view which shows the blower nozzle for vacuum cleaners of 4th Example which concerns on this invention. The right view which shows the blower nozzle for vacuum cleaners of 5th Example which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Nozzle main body 1a Base end 1b Tip 2 Vacuum cleaner 3 Hose 3a One end part 3b Other end part 4 Spot nozzle (nozzle body)
4a Base end part 4b Tip part 5 Financial terminal 10 Straight pipe part 11 Tapered tubular part 12 Connection port 13 Compressed air outlet 14 Inner peripheral surface 15 Compressed air outlet 16 Compressed air outlet 17 Compressed air outlet 18 Compressed air outlet 20 Vacuum cleaner body 40 Outer peripheral surface C1 Center axis C2 Center axis P Maintenance worker θ Crossing angle

Claims (4)

At the base end on the air inlet side, there is a connection port for inserting and connecting the tip of the nozzle body attached to the end of the hose of the vacuum cleaner, and discharging from the exhaust port of the vacuum cleaner at the tip on the air outlet side A blower nozzle for an electric vacuum cleaner provided with a nozzle body having a compressed air outlet for ejecting compressed air obtained by compressing exhaust gas,
The nozzle main body is formed integrally with a straight pipe portion that is slightly reduced in diameter from the base end toward the middle of the tip, and is inclined to one end at the end of the straight pipe portion, and the central axis of the straight pipe portion A tapered tubular portion having a diameter that is larger than the straight tube portion from the proximal end toward the distal end in the central axis direction intersecting at an acute angle with respect to the straight tube portion, and the straight tube portion at the proximal end of the nozzle body. An end face circular connection port having an inner diameter slightly larger than the inner diameter of the boundary portion with the tapered tubular portion is formed, and is equivalent to the inner diameter of the boundary portion between the straight tube portion and the tapered tubular portion at the tip of the nozzle body. Forming a small compressed air outlet, the straight pipe portion of the nozzle body is fitted outside the tip of the nozzle body, and the air outlet at the tip of the nozzle body is tapered with the straight pipe portion of the nozzle body. It is located at the boundary with the tubular part, and the inside of the tapered tubular part is exhausted. It is communicated with the passage,
The blower nozzle for a vacuum cleaner , wherein an intersecting angle between a central axis of the straight pipe portion of the nozzle body and a central axis of the tapered tubular portion is in a range of 5 ° to 20 ° . The blower nozzle for a vacuum cleaner according to claim 1, wherein the material of the nozzle body is a thermoplastic resin such as polypropylene . The blower nozzle for a vacuum cleaner according to claim 1 , wherein an end surface shape of the compressed air outlet formed at the tip of the nozzle body is circular . The blower nozzle for an electric vacuum cleaner according to claim 1, wherein the compressed air outlet at the tip of the nozzle body is formed so as to correspond to a shape of a cleaning portion of an object to be cleaned .

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