JP3041347B2 - Instantaneous weakening device for suction force - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention was originally developed to reduce the labor and time required for cleaning work by a vacuum cleaner, but it was used in various suction pipes used in other industries. With a very light force and a small operating distance, the suction flow in the suction tube can be made extremely weak as soon as it is almost stopped, and it can also return instantaneously, so that waste due to the inertial flow of the fluid can be reduced. In the machine using the fluid as a working fluid, high-speed reaction and efficiency can be achieved, so that the machine can be widely used in various industries using these suction pipes.

[0002]

2. Description of the Related Art Conventionally, in a vacuum cleaner, the only way to stop the suction is to turn off a power switch. However, even if the power switch is turned off, it takes a considerable time until the suction stops due to the inertial suction flow. Suction force is strong / medium / weak /
Some can be switched between fine and several stages, but even if switched from "strong" to "fine", there is a "strong" inertial flow, so it does not instantaneously become "fine" and is the weakest Even if it is set to "fine", the suction force has a suction force far from stopping. In addition, the switching operation is not so easy that it can be performed instantaneously without changing the hand holding the handle of the hose. By the way, in general, when cleaning with an electric vacuum cleaner, in order to clean all the target surfaces to be cleaned, once pull the suction head advanced forward, move it sideways, diagonally, or while walking They make a lot of complicated movements, such as moving back and forth a long distance. For this reason, it is necessary to repeatedly pass on a surface that has already been cleaned or a surface that does not need to be cleaned many times. At this time, when a conventional vacuum cleaner is used, it often moves while the power switch is turned on, that is, while the suction is being performed. I know that turning off the power switch makes it easier to move, but why do that?
It is troublesome to turn on and off the power switch each time because the movement is too fine and frequent, and even if the power switch is turned off, the suction power does not decline for a while due to the inertial flow, and it is easy This is because it is troublesome to wait until you can handle it. Reciprocating the switch between "micro" and other strengths requires operating a fairly long distance, and does not immediately become a micro current.
In addition, as described above, "fine" itself has a considerably strong suction flow, and it does not make much sense to switch. Although the self-propelled suction head is easy, the direction and speed of the self-propelled movement cannot be freely determined. Even if it can be done, it is extremely complicated and impractical to perform all the fine and frequent movements according to human intentions by operating the switches. For the above reasons,
With a conventional vacuum cleaner, to clean a certain target area,
The reality is that the suction head is moved harder, while keeping the power supply on and fighting against the strong suction force, over many times the total area. In addition, in particular, it is extremely difficult to move the suction head in parallel directly or diagonally as it is being sucked, and it is practically difficult. In this case, the suction head is drawn in a large circle on the surface to be cleaned. Or move the suction head, which is strongly attached to the surface to be cleaned, with difficulty. In other words, if the movement is performed without stopping the suction, the total area is further increased or extra labor is consumed. Also, when cleaning a rug, etc. that is not fixed to the floor with a conventional vacuum cleaner, go to the end, and if you try to release the suction head while sucking, the end of the rug will stick together. And it's hard to separate them. Even if the power is turned off, it does not leave immediately because of the inertial flow. As described above, the cleaning by the conventional vacuum cleaner requires a great deal of labor, and even if performed by a powerful man, it is almost unpleasant. Also, when cleaning the end of a carpet or the like glued and fixed to the floor, if you try to move to the next surface while sucking it, the end will stick to the suction head head and the adhesive tends to come off, so this should be done every day. If you repeat it, it will come off. It is troublesome to turn off the power at each end and wait for a while. Even with conventional suction pipes other than vacuum cleaners, it takes some time to close, so during this time a wasteful suction flow will flow, and even if the driving power is turned off, the inertia flow will cause It is the same that a considerable amount is sucked.

[0003]

The drawbacks of using such a conventional technique are, in fact, all caused by the fact that suction cannot be instantaneously stopped by an easy operation. Therefore, the present inventor has sought to eliminate all of these disadvantages if it is possible to instantaneously stop the suction force and instantaneously resume the suction force regardless of the strength of the power switch or the driving unit. However, in the method of completely stopping the suction force by completely closing the suction port, a large force and a considerable amount of time are required to move the stopper, and the problem of "momentary and easy" Proved difficult to solve. Here, “easy” means “with light power and
This is a problem required when stopping and restarting frequently, such as vacuum cleaner work, is repeated.

[0004]

As a result of repeating experiments in order to solve such a problem, the following finding and means have solved the problem. (A) In some industrial fields, even if the suction port is not completely closed and closed, and a very weak suction force is left when the cap is closed, the effect is practically the same as stopping. The case of a vacuum cleaner is a typical example. (B) If this weak suction force at the time of closure is allowed,
The stopper can be moved with a light force at all times, and with just a slight movement of one finger. (C) It is difficult to weaken the suction force to almost the same level as the stop by only the force of the stopper, and another suction port opened outside the suction tube for dispersing the suction force is provided. With one movable common stopper, the original suction port side suction port is closed inversely proportionally while opening the suction port for dispersing the suction force so as to cut the suction flow vertically with a kitchen knife. So, it can be weakened without resistance. Of course, in this case, it is a condition that the weak suction force for realizing the operation (B) is left at a minimum. The suction force of the suction-side suction port can hardly be weakened unless the suction-side suction port is closed by merely providing the suction-force-dispersion suction port and closing the movable common stopper as described above. However, if the size of the suction port for dispersing the suction force is made very large, the same weakening can be achieved. Conversely, even if only the suction-side suction port is closed by the above movable plug without providing the suction-force dispersing suction port, the suction force of the suction-side suction port can hardly be weakened. . (D) If the contact area between the portion serving as the fulcrum and the portion supporting the movable common stopper is large when the movable common stopper is moved, the movable common stopper is constantly receiving a negative suction pressure, so that the contact resistance increases and the light force is reduced. Can not move the movable common tap. In view of this, the fulcrum of the movable common tap is made as small as possible in the area of contact with the portion supporting it (dots or short line segments). (E) It is necessary to allow a weak suction force and suppress it to such an extent that it gives an effect close to stopping. However, in order to easily realize it with actual technology, it is necessary to use an elastic body such as a sponge for movable use. Incorporated in the stopper, thereby constantly pressing the movable common stopper against the suction port, performing a suction test in that state, increasing or decreasing the amount of the elastic body until obtaining elasticity that realizes a weak suction force that satisfies the above conditions, Or change the type. At this time, if necessary, by adjusting the size of the suction opening for suction force dispersion, the elasticity value satisfying the above condition can be changed. In this way, a required level of weak suction force can be easily obtained technically. (F) A stopper is provided on the inner wall of the small chamber so that the movable common tap does not move to an unnecessary range.

[0005]

[Function] To use this, when you want to weaken the suction, move the external knob connected to the movable common stopper lightly and slightly with your finger to close the suction port for dispersing the suction force. Move to close the suction side suction port. Then, in inverse proportion to the suction force for suction force dispersion, the suction port for dispersing the suction force has a very small suction force in inverse proportion to the suction port on the suction side. Falls, so if the vacuum cleaner is kept in that state, it moves to another cleaning surface. If it is another suction machine, the necessary steps are performed during that time. At this time, a two-stage operation is performed in which the complete closure with another stopper is started at the same time or the driving stop operation is started, and after the momentary weakening, the stopper is completely closed or stopped with a slight time lag. You may. When it is desired to return to the normal suction force, the external knob is slightly moved in the opposite direction, or the external knob is moved.
In this case, the normal suction force can be easily and instantaneously returned to the normal suction force by simply releasing the outer knob. At this time, the suction port for dispersing the suction force, on the contrary, drops to a weak suction force close to the stop. That is, the suction force is instantaneously changed between the two suction ports. On the other hand, it also serves to substantially reduce the burden of negative pressure changes on the prime mover. here,
Elastic body simply above

[0004] As described in (E) above, it not only provides technically easy production means, but also has the following effect. That is, when one of the suction ports is slightly opened under the elastic body having a certain elasticity, the suction force from the opening starts to increase. Then, the movable common stopper is pushed more strongly to the driving part side than before, so that the elastic body is contracted, the frictional force between the movable common stopper and the inner wall becomes weaker, and the movable common stopper is more easily moved. When the movable common stopper that has been easily moved in this way closes the other suction port, the suction force there is weakened, and the force pushing the movable common stopper toward the prime mover decreases. Then, the elastic body expands, and the force with which the movable common stopper closes the suction port relatively increases. In other words, the elastic body allows the movable shared stopper to move more easily when moved, and to be more strongly closed when closed. When the external knob is attached to the fulcrum of the movable common stopper, the movable common stopper can be moved by a knob operation with a shorter moving distance.

[0006]

Embodiment << 1 >> An embodiment of claim 1 to which claim 11 is applied will be described with reference to FIGS. However, FIG.
Nos. To 4 are those to which claim 4 (installation of weights) is further added. (A) A suction port side suction port 2, a prime mover side suction port 3, and a suction force dispersion suction port 4 are provided in a sealed small chamber 1. The suction-side suction pipe 10 is connected to the suction-side suction port 2, and the prime mover side suction pipe 11 is connected to the prime mover side suction port 3. (B) A movable common stopper is provided that reciprocates between the suction port side suction port 2 and the suction force distribution suction port 4 while being in close contact with the inner wall of the small chamber 1, and as one is opened, the other is closed. The movable common stopper is composed of a thin plate-shaped stopper action point 5 and a stopper support 6. Further, in order to prevent the movable common stopper from moving out of the above-mentioned target range, the stopper 12 is attached to the small chamber 1 below the suction port 4 for suction force dispersion and the bottom of the suction port 2 for suction.
Are provided on the inner wall of each of them. (C) The plug action point 5 is not adhered by inserting the projection of the plug support 6 into the recess of the plug action point 5 with the plug support 6 and the elastic body 7 interposed therebetween. Connect to Plug support 6
Moves along with the plug action point portion 5 with a portion contacting the small hole 13 formed in the side wall surface of the small chamber 1 with a very small area as a fulcrum 8. The plug action point 5 and the elastic body 7 are bonded. (D) External knobs 9 are provided at both ends of the plug support 6 so that the plug support 6 and the plug action point 5 connected thereto can be moved from outside the small chamber 1. Stopper 1
2 may be provided not on the inner wall of the small chamber 1 but on the side surface of the outer wall to restrict the movement of the outer knob 9. (E) The elastic body 7 satisfies the following two conditions at the same time under the given size of the suction force dispersion suction port 4 when receiving the suction negative pressure from the prime mover side suction port 3. It has elasticity. (1) The plug action point section 5 receiving the negative pressure compresses the elastic body 7 and moves very slightly in the direction of the prime mover side suction port 3 so that the surface of the plug action point section 5 comes into contact. The frictional resistance between the inner wall of the small chamber 1 and the surface of the plug action point 5 around the suction-side suction port 2 or the suction-force dispersion suction port 4 and between these two suction ports is reduced, Elasticity that allows the plug action point 5 and the plug support 6 to be moved by moving the external knob 9 with a light force of about one finger of a normal human hand. (2) When the plug action point section 5 closes the suction port side suction port 2,
The elasticity of the elastic body 7 pushes the plug action point 5 toward the inner wall of the small chamber 1, so that the space between the surface of the plug action point 5 and the inner wall of the small chamber 1 around the suction-side suction port 2. The thickness of the layer is made extremely thin, and it is possible to weaken the suction flow that slightly enters from the suction side suction port 2 against the intention of plugging to the level required for instantaneous weakening work during suction Elasticity to do. (F) Under the given size of the suction port 4 for dispersing suction force, in order to find an elastic body 7 having elasticity that satisfies the above two conditions at the same time, the type, shape and amount of the elastic body must be changed. Experiment with various changes. If there is no compatible elastic body, adjust the size of the suction port 4 for suction force dispersion. This is because the penetration suction force from the suction side suction port 2 when the suction side suction port 2 is closed is inversely proportional to the size of the suction force dispersion suction port 4. (G) The length and thickness of the convex portion of the plug support member 6 and the depth and inner diameter of the concave portion of the plug action point portion 5 simultaneously satisfy the following two conditions. (1) The space for preventing the movement of the plug action point portion 5 in (1) and (2) of (e) above is between the convex portion of the plug support member 6 and the recess portion of the plug action point portion 5. Exists. In FIG.
The space has been exaggerated for clarity. Not really that big. (2) When the plug support 6 rotates, the side surface of the projection of the plug support 6 presses the side surface of the inner wall of the concave portion of the plug application point 5, so that the plug application point 5 can always move together with the plug support 6. . << 2 >> As described in claim 2, an elastic body or a repulsive body may be used instead of the elastic body 7. << 3 >> As in the third aspect, an effect similar to that of the first aspect can be obtained by a precise design without incorporating any elastic body 7 or the like. However, in the embodiment of the present inventor, the manufacturing process is more difficult than when an elastic body or the like is incorporated, and the weakening ability is slightly inferior.
Nevertheless, when using the vacuum cleaner to which the present invention is attached for ordinary cleaning of carpets, rugs, tatami, floors, etc., the features of the present invention could be exhibited without any problem.
Apart from cost, industrial production by ultra-precise materials, design, processing, and assembly, this structure could produce a product with a much weaker capacity than that produced by the present inventor. << 4 >> When the weight 14 or the like is attached as in claims 4 to 6, when the external knob 9 is released, the plug action point portion 5 and the plug support 6 automatically move. This is a very convenient mechanism for a vacuum cleaner, and in the embodiment of the present inventor, the operation was extremely easy and quick in cleaning. Either automatic weakening or automatic suction can be selected. In the case of the weight type, the weight is near the plug action point 5 or across the fulcrum 8 on the opposite side. Or the vertical positional relationship between the suction side suction port 2 and the suction force dispersion suction port 4, and in the case of other methods, the mounting positions of the elastic body, the elastic body, and the repulsive body Depends on The difference between the fourth and fifth aspects is that both are of the weight type, but the difference is whether the suction force dispersion suction port 4 is vertically above or below the suction side suction port 2. If it is below, the portion of the small chamber 1 that can be cut as described in claim 8 is large, so that the whole can be miniaturized in the same manner as in the spring system of FIG. In the case of each system of claim 6, the whole can be miniaturized as shown in FIG. 6 irrespective of the vertical positional relationship between the suction force dispersion suction port 4 and the suction side suction port 2. As described above,
Since the operation direction of the external knob 9 changes depending on various methods and positional relationships, it is necessary to attach a direction changing mechanism such as a gear or a pulley as described in claim 7, depending on the case, in order to obtain a desired operation direction. There is also. Further, by utilizing the method of transmitting a force according to claim 7 or claim 18 or other known methods, it is possible to realize a method which is easier to operate in all kinds of instantaneous weakening devices of suction force of the present application. . << 5 >> FIG. 5 shows an embodiment of the present invention. In the fifth embodiment, when used in a vacuum cleaner, the user does not usually do much.
When the hose is set up vertically, the plug action point 5 and the plug support 6 slide under the weight of the weight 14, and partially block the suction-side suction port 2. This problem can be solved by using a coil spring or the like instead of a weight as in the sixth embodiment shown in FIG. << 6 >> In claim 4 and claim 5, when the suction port closer to the underground is closed, the component force of the weight of the weight acts on the plug action point portion 5, and the suction port is further turned. Seal tightly. << 7 >> In the embodiment of the present inventor, each of the small chambers 1
The side wall on one side is made a lid that can be sealed, so that the internal components can be easily taken out and incorporated. This is because if large dust or metal is clogged in the small chamber 1, it is easily removed. However, in the present invention, the suction flow path in the small chamber 1 is designed so as not to contain any obstacle, so that the suction flow path is not usually clogged. << 8 >> When the suction port 4 for dispersing suction force is closed, the weak suction flow that invades is extremely small, and even if a finger is put on the suction port, it is hardly noticeable, so the cap is opened at this time. The attenuation of the normal suction force from the suction side suction port 2 is extremely small. The same applies to the small hole 13. However, the small hole 13 can be improved in the degree of sealing with a sponge or the like, or another known method of sealing the rotating shaft and its bearing can be applied. You may. << 9 >> The present invention can also be implemented by a method in which the plug action point portion 5 and the plug support tool 6 are linearly moved along the rail 16 as in the tenth embodiment shown in FIG. Also in this case, if the area of the contact portion between the fulcrum 8 and the rail 16 fixed as a part of the small chamber 1 is large, it is pressed by the negative pressure and cannot be easily moved. A contact tool 17 that makes contact is used. In this embodiment, the outer knob 9 is preferably provided with a small hole or a small groove in the ceiling or the side wall of the small chamber 1, connected to the stopper support 6, and operated with a lever by using a short distance. . In FIG. 7, the rails appear to be in the way of the suction flow. However, the rails are attached to the overhanging side walls of the small chamber 1, so that there is no problem. The same applies to the case where the rail is curved. << 10 >> To move the plug action point 5 and the plug support 6,
The present invention can be implemented without necessarily connecting the external knob directly to the fulcrum 8 as in claim 11, but in that case, a longer distance must be operated, which is inefficient. Further, the area of a small hole or groove formed in the small chamber 1 also becomes large. << 11 >> In order to reduce noise in the small chamber 1 during the suction operation, a noise reducing material such as a sound absorbing material is stuck in the small chamber 1. << 12 >> While the suction port 4 for dispersing the suction force is open, the suction port 4 has a strong suction force. However, even if it is sucked, there is no danger because nothing is rotating inside. << 13 >> Although the external knob 9 may be provided on only one side, if it is provided on both sides, in the case of a vacuum cleaner, both right-handed and left-handed people can use it conveniently. << 14 >> Small hole 13 and suction port 4 for dispersing suction force when plugged
Since a small amount is sucked, for example, in the case of a vacuum cleaner, there is no danger that dust and dust sucked from the suction side suction port 2 will blow out from these holes. << 15 >> As described in claim 14 , electric or other power such as a motor may be used to move the movable common tap or the external knob. However, in each of the above embodiments, the operation can be easily performed manually so that the necessity is not felt at all. << 16 >> As in claim 16, the suction port 4 for suction force dispersion.
If another suction pipe is attached to the suction port, the opening position of the suction port can be freely set, and, for example, in the case of a vacuum cleaner, a suction port facing in another direction is attached to the tip of the suction pipe, Alternatively, by attaching another type of mouthpiece, the two mouthpieces can be switched and used instantaneously at hand with a light force. There is no need to change the mouthpiece each time. << 17 >> As in claim 17 , an embodiment is shown in FIGS.
When the suction port for dispersing the suction force is made very large, the suction force from the suction port suction port can be weakened when the suction port is opened, without closing the suction port suction port. "18" as in claim 18, examples of which are illustrated in the Figure 10 and 11, stoppers and the cam or crank or jogger device,
If it is attached to a movable common tap or an external knob, the operation direction can be changed up and down, front and rear, etc. << 19 >> Examples of the materials used in the above embodiments include a small chamber 1, a plug action point 5, an external knob 9, and a plug support 6.
Is plastic or metal, the elastic body 7 is sponge, the weight 14 is copper and brass, and the like.

[0007]

<< A >> When the embodiment of the present invention is used in a vacuum cleaner, the external knob 9 is turned to rotate the suction side suction port 2.
When the suction power is weakened, even a single leaflet advertisement placed on the floor does not suck at all. This flyer,
First, suck with a normal suction force, lift the suction port off the floor while strongly sticking to the suction port, and then use the external knob 9
Rotate to make it weak, and the flyer instantly falls off the floor. By simply turning off the power switch without turning the external knob 9, the inertial flow does not readily diminish, and it takes a considerable amount of time for the flyer to fall. Usually, carpets and rugs, which are much heavier than flyers, or fixed floors or tatami, are so effective that they can be called "momentary stop" when it comes to vacuum cleaners. << B >> The operation of the external knob 9 is one touch, with one hand holding the handle of the hose of the vacuum cleaner, one finger extended without changing the grip at all, and only 13mm
(Embodiment) The instantaneous weakening can be performed only by turning the external knob 9, and in the embodiments of claims 4 to 6, when the finger is released from the external knob 9, the normal suction is also performed instantaneously. Return to power. The operation of the external knob 9 requires little force and moves easily with a very light force. I actually cleaned it, but no matter how often I switched between this weakening and normal suction, there was no troublesome operation. 《C》 When this vacuum cleaner is used to clean, the suction head can be moved in any direction, such as moving the suction head forward, backward, left, right, or diagonally, or pulling it up by weakening it with simple operations as described above. It's completely free from the resistance of the device and it's surprisingly light, flexible and fast.
Therefore, the labor and time required for cleaning can be significantly reduced as compared with the conventional one. Also,

[0002]

2. Description of the Related Art The problem of cleaning the edge of a rug or carpet as described in the prior art can be completely solved by turning the outer knob 9 at the edge to weaken the edge. << d >> With conventional vacuum cleaners, if you inadvertently suck the hem of a curtain, cloth, vinyl, paper, etc. that should not be sucked, you will quickly suck an amazing area and have trouble getting out And even if you take it out, it becomes wrinkled or dirty. In the present invention, the damage can be minimized by weakening at the moment when it is noticed. << e >> When the suction port 4 for suction force dispersion is opened, that is, when the suction of the suction port side suction port 2 is weakened, the suction is strongly sucked from the suction port 4 for suction force dispersion. When utilized, the suction will suck up airborne debris in front of the cleaner's face, reducing respiratory contamination of the human body during cleaning. << F >> Even in suction machines other than vacuum cleaners, the features of the present invention include instantaneous weakening of suction force, an effect close to instantaneous interruption of inertial suction flow, lighter operation and shorter distance, and other features. By instantaneously switching to a suction tube, it is possible to reduce work labor and time, save resources and efficiently use resources, as compared with the conventional one.

[Brief description of the drawings]

FIG. 1 is a partially transparent perspective view of the embodiment of claim 1 connected to a suction tube.

FIG. 2 is a perspective view showing an embodiment of a movable common stopper according to the present invention.

FIG. 3 is a principle view of the embodiment of claim 4 as viewed from the front.

FIG. 4 is a cross-sectional view of the embodiment of claim 4, wherein the movable common tap is placed in a horizontal state and cut along a horizontal axis thereof.

FIG. 5 is a principle view of the embodiment of claim 5 as viewed from the front.

FIG. 6 is a principle view of an embodiment in which claim 8 is applied to claim 5 using the coil spring of claim 6 as viewed from the front.

FIG. 7 is a principle view of the embodiment of claim 10 as viewed from the front, with the illustration of the outer knob portion omitted.

FIG. 8 is a partially transparent perspective view showing an embodiment according to claim 17 ;

FIG. 9 is a partially transparent perspective view showing an embodiment according to claim 17 ;

10 is a front principle view showing an example of the embodiment of claim 18.

FIG. 11 is a front view showing an example of the embodiment of claim 18 ;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Small chamber 2 Suction side suction port 3 Primer side suction port 4 Suction force dispersion suction port 5 Plug action point part 6 Plug support tool 7 Elastic body 8 Supporting point 9 External knob 10 Suction side suction pipe 11 Primer side suction pipe 12 stopper 13 small hole 14 weight 15 coil spring 16 rail 17 fulcrum contact tool 18 pushing tool

Claims (18)

(57) [Claims] (1) A sealed small chamber for insertion and connection in the middle of a suction pipe is prepared, and a suction port side suction port and a prime mover side suction port for ventilating connection with the suction pipe are opened in the small chamber wall. Further, a suction port for dispersing the suction force, which is open to the outside of the suction pipe, is opened in the small chamber wall in proximity to the suction port side suction port. (B) In the small chamber, as one of the suction port on the suction side and the suction port for dispersing the suction force is opened, the other is closed by cutting the suction flow in the vertical direction. A movable common tap will be provided. The shape is such that the air resistance in the movable direction is minimized, such as a thin plate shape. On the driving part side from the point of action, this movable common stopper contacts only a small area with the small chamber, and the contact part is used as a fulcrum,
The action point portion moves in the small room in close contact with the wall of the small room, and performs the above-mentioned opening and closing plug. (C) A stopper (barrier) for preventing the movable common stopper from moving beyond the necessary range is provided in the small room. (D) In order to move the movable common tap from the outside of the small chamber, an external knob is connected to a point of force of the movable common tap extending outside the small chamber through a small hole formed in the small chamber wall. The stopper may be provided outside the small chamber to restrict the movement of the external knob. (E) The movable common stopper is fitted with a sponge, rubber or other elastic body with appropriate elasticity in a part of the chamber or the small chamber that comes into contact with the fulcrum.
Either the suction side suction port or the suction force dispersion suction port is strongly sealed, but at the same time as starting the suction operation, the degree of sealing is reduced only slightly by the suction negative pressure from the prime mover side suction port, The frictional force between the surface and the interior surface of the small room is reduced, and the operation with the force of one finger of the outer knob reduces the distance between the suction side suction port and the suction force distribution suction port, and instantly So that it can be opened and closed. (F) Adjusting the elasticity of the elastic body within the range of elasticity for realizing the operation of (e) and, if necessary, adjusting the size of the suction port for dispersing the suction force, so that the movable common plug is used. When the suction-side suction port is closed, the suction force from the suction-side suction port is reduced to a level required for work. The instantaneous weakening device for suction force configured as described above. 2. A part of a movable common tap or a small chamber part which comes into contact with a fulcrum thereof, instead of an elastic body, a telescopic body such as a coil spring or a leaf spring or the like having the same expansion and contraction, facing the same pole of a magnet. The instantaneous weakening device for suction force according to claim 1, wherein the repulsive body is incorporated. 3. A material that does not incorporate an elastic body, an elastic body, a repulsive body, or the like into a part of the movable common tap or a small chamber contacting a fulcrum thereof, and does not deform the small chamber and the movable common tap even when subjected to suction negative pressure. Manufactured, with or without suction negative pressure,
Further, regardless of whether the movable common stopper is stopped or moving, the degree of sealing of the movable common stopper that can realize the effects of (e) and (f) of claim 1 is always accurate and fixed without using an elastic body or the like. The instantaneous weakening device for suction force according to claim 1, wherein the positional relationship between the movable common tap and the small chamber is designed and processed so as to be maintained, and assembled. 4. A movable common tap is extended from its fulcrum to the side opposite to the point of action, and a weight is attached to its tip. When the external knob is released during the suction operation, the movable common tap is automatically moved according to the weight of the weight. The instantaneous weakening device for suction force according to claim 1, wherein the stopper moves and closes one of the suction opening side suction opening and the suction opening for suction force dispersion, which is closer to the sky direction. 5. When a weight is attached near the action point of the movable common stopper and the external knob is released during the suction operation, the movable common stopper is automatically moved by the weight of the weight, and the suction port side suction port or suction is performed. The instantaneous weakening device for suction force according to claim 1, wherein one of the suction ports for force distribution is closer to the underground direction. 6. A sponge, rubber,
Elastic materials such as coil springs, leaf springs, and magnets of the same polarity
An operation equivalent to claim 4 or 5, wherein the elastic body / repulsive body is attached between the movable common stopper and the small chamber, and either the suction port side suction port or the suction port for suction force dispersion is automatically closed. 4. The instantaneous weakening device for suction force according to claim 1, wherein: 7. A device for instantaneously weakening suction force according to claim 1, wherein a direction changing mechanism such as a gear is attached to an external knob or a movable common tap to change an operation direction thereof. 8. The instantaneous weakening device for suction power according to claim 1, wherein the small chamber is cut as small as possible by cutting a small chamber portion outside the movable range of the movable common tap. 9. The suction according to claim 1, wherein the small hole for attaching the external knob opened in the small chamber is closed by an elastic body such as sponge within a range not to hinder the movement of the external knob, and the degree of sealing of the small chamber is increased. Instantaneous weakening device of force. 10. A contact member having a very small contact area with a rail fixed at a position not to hinder the suction flow in the small chamber is attached to the fulcrum of the movable common tap, and the contact member rotates or rotates on the rail. 10. The instantaneous weakening device of suction force according to claim 1, wherein the movable common stopper is moved by sliding. 11. An external knob is provided so as to directly rotate the fulcrum of the movable common plug, and a small distance between the external knob and the suction port between the suction side suction port and the suction force dispersing suction port of the movable common plug. The instantaneous weakening device for suction force according to claim 1, wherein the device can be moved. 12. suction to reduce noise chamber during operation, known suction force moment weak apparatus of claim 1 to 11, fitted with a noise reducing material of the sound absorbing material such as a small room. 13. The suction force distributed suction ports, the suction force at the moment a weak apparatus of claim 1 to 12 provided with Ami to prevent erroneous suction of the finger or the like. Etc. 14. Motor, by electrical force or other with the power, instantaneous weak apparatus of attraction of claims 1 to 13 for moving the movable common plug or external knob. 15. The method of claim 1-1 which is mounted on the vacuum cleaner
4. Instantaneous weakening device for suction force. 16. Instantaneous weak apparatus of attraction of claims 1 to 15 connected to another suction pipe to a suction force dispersing suction port. 17. The size of the suction port for dispersing the suction force is so large that the suction force from the suction port side suction port can be weakened to a required level when the cap is opened, and the movable stopper has a suction force. only to open and close the dispersing suction port mouth side suction port suction force moment weak apparatus of claim 1-16 which is not opened and closed. 18. stoppers, cams, crank and attached to the knob movable shared plug or external, instant weakened device of the suction force of the claims 1 to 17 for changing the operating direction of the shutoff cock.