JP2010090740A - Inflator handle and method for filling ball with compressed air using it - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a novel needle technique certainly preventing deformation and fracture of the needle during the air injection work to a ball, improving the inflation workability, and facilitating transportation and carrying while certainly protecting the needle during transportation and carrying. <P>SOLUTION: The inflator handle 1 includes an attaching or detaching base end part 31 for a needle 3 connected detachably to the top end of an operation pipe 2. A male thread part 23 longer than the needle 3 is engraved from the top end on the top end external periphery of the operation pipe 2 so as to enable screwing of a nut 4 for pulling out the needle. The nut 4 for pulling out the needle is screwed onto the male thread part 23 detachably or movably to a position with the needle part 30 top end slightly exposed at the maximum so as to be stored in a posture without being overlapped onto the needle part 30 of the needle 3. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

    The present invention relates to parts for connecting a needle (air needle) that can be filled with compressed air into various competition or game balls and a compressed air supply source such as an air pump or an air compressor. From the field of providing equipment and equipment necessary for its transportation, storage, assembly and installation, as well as the field of manufacturing such materials, materials necessary for those materials, machinery and parts, for example, Fields that provide wood, stone, various fibers, plastics, various metal materials, etc., electronic components incorporated in them, control-related equipment that integrates them, fields of various measuring instruments, power machines that move the equipment and instruments Fields that are generally referred to as industrial machinery, such as the electric power that is energy, the electricity that is the energy source, and the oil field. , Testing and researching instruments, fields related to their display, sales, import and export, generals, results of their use, facilities for making them, and waste generated from the operation of instruments There are no technical fields that are not related to fields related to collection, transportation, etc., and new fields that cannot be envisaged at the present time, besides the recycling field that efficiently recycles garbage waste.

(Points of interest)
Balls for various competitions such as basketball, volleyball, soccer balls, etc., have a moderate drop in air pressure because the drop in air pressure inside them can cause a significant drop in bounce and rotation performance. It is important to make adjustments, and before daily club activities and matches, you must always check each ball using an air pump and fill it with air as necessary. The base end of the needle with a diameter of 2 mm and a length of about 30 mm is connected to the tip of the hose, and the needle is inserted into the valve slit of the ball to inject compressed air. Thick skin and heavy balls, etc., when compressed air is injected and the internal air pressure increases, strong tension works on the valve part, The frictional force between the inner circumference of the lub slit and the outer circumference of the needle will increase, making it impossible to pull out. It was difficult to handle.

    In order to prevent such troubles, each ball manufacturer should always use the needle wet with soapy water or lubricant before inflating, or be sure to insert the needle vertically into the valve and gradually inject air. However, it is very difficult for thorough general students and students to thoroughly implement these ideas, and the needle may be inadvertently deformed or broken and left inside the ball. It was almost impossible to reliably prevent this.

(Conventional technology)
Considering such a situation, the needle (or tube or hose) can be accommodated inside a small and light pump, as represented by, for example, the one proposed in Patent Document 1 (1) below. To provide a hand pump that does not need to be removed, or a pedestal on which a ball is placed and a pedestal that can be raised and lowered with respect to the pedestal as seen in Patent Document 1 (2). The pressing part is provided with a lever handle provided with a needle insertion jacket for inserting a needle into the air filling port of the ball, and provided with a guide cylinder for receiving the needle insertion jacket. The needle insertion direction and the extraction direction with respect to the air filling port are always kept perpendicular to prevent breakage of the needle. Such as is found here and there that was so.

However, the hand pump or the like that can accommodate the needle inside the pump as shown in the former Patent Document 1 (1) has an advantage that the needle can be reliably protected during transportation or carrying, but the needle is attached to the ball. It has not been possible to prevent accidents such as deformation or breakage of the needle during a series of operations of inserting a compressed air, injecting compressed air, and extracting the needle, and Patent Document 1 (2). Auxiliary equipment for inflating with a pedestal on which the ball is placed must hold the ball from the top and bottom, so the device itself must be larger than the ball diameter, which causes inconvenience in transportation and carrying. It was supposed to have a fatal drawback.
(1) Japanese Patent Laid-Open No. 2006-200384 (2) Japanese Patent Laid-Open No. 2008-23271

(Awareness of problems)
As described above, as a means for injecting air into a conventional needle or related ball, it is devised to make it easy to work in consideration of air injection work, or to be stored and carried as individual parts. It is only related to prevention of deformation and breakage in the inside, handling of those who do not have that much force, such as children and female students, especially the difficult work that occurs when the needle is removed from the ball after the air has been injected Unless the teacher or instructor who supervises or supervises is in the side of the side, there is nothing to consider, and if you leave them to them, the needle will be deformed by forcefully twisting it from the lack of power. Cause accidents such as hurting the person or those around him due to the recoil when they put power in some cases. Doubles as not, as one of those who hit the physical education guidance, such as small medium and high, which has led to recognize that we can not spend still be allowed to stand for these situations.

(Object of invention)
Therefore, the present invention makes it possible to reliably prevent the needle from being deformed or broken during the air injecting operation into the ball, to improve the workability of the air filling, and to be easily transported and carried. Judging whether it is possible to develop a new needle protection technology that can reliably protect the needle that is being carried, the development and research of the needle started very quickly, and trial and error over many years and many trial manufactures and experiments As a result of repeating the above, the present invention finally succeeded in realizing a pneumatic handle with a novel structure and a novel compressed air filling method using the same. The configuration will be described in detail together with an example representing the above.

(Structure of the invention)
As will be clearly understood from the embodiments of the present invention shown in the drawings, the pneumatic handle of the present invention basically has the following configuration.
That is, the detachable proximal end of the needle to be inserted into the valve of the air-filled object is detachable with respect to the distal end of the operation pipe having the proximal connection portion that can be connected to the compressed air supply source in an airtight manner. In addition to being connected in an airtight manner, the outer periphery of the tip of the operation pipe has a length that is longer than the length from the tip to the tip of the needle of the needle that is already installed. It is assumed that a male screw part that can be screwed into a nut is engraved, and the needle removal nut can be attached to or detached from the male screw part, or the tip of the needle part is exposed at a maximum of 2 to 3 mm. This is a pneumatic handle having a gist of a configuration that can be moved forward and backward to a position and screwed so as to fit in a posture that does not hook onto the needle portion of the needle.

    More specifically, the inner circumference of the distal end of the operation pipe having a proximal end connection portion that can be connected to the compressed air supply source either directly or through a pressure tube or a pressure hose in an airtight manner. Threaded base end part with needle threaded male thread part engraved on the outer periphery of the base end part of the needle to be inserted into the valve of the air-filled object. In addition, it is screwed in an airtight manner and connected concentrically, and the outer circumference of the tip of the operation pipe is longer than the length from the tip of the needle to the tip of the needle that has been attached. It is assumed that a male threaded portion that can be threaded with a needle removal nut having a length dimension is provided, and at least an end surface that is in contact with the peripheral surface of the valve of the air-filled object is formed on the male threaded portion. An annular flat that is orthogonal to the needle The needle removing nut formed on the one having a surface is either detachable or can be advanced or retracted to a position where the tip of the needle part is exposed to a maximum of 2 to 3 mm, and the needle of the needle It can be said that it is an inflating handle having a configuration in which it is screwed so as to fit in a position not hanging on the part.

(Related invention)
In relation to the above-described air handle, the present invention also includes a compressed air filling method using the handle.
In other words, the needle removal nut screwed to the outer periphery of the operation pipe tip of the air handling handle is rotated forward in the mounting direction so that the male threaded portion of the operation pipe is located behind the operation pipe. After the connected needle is sufficiently exposed, the needle is inserted perpendicularly to the slit of the air-filled object valve, and the air from the compressed air supply source is connected to the pipe line in the operation pipe and After the needle is injected into the air-filled object through the needle and the air-filled object rises to a desired internal pressure, the needle removal nut rotates in the direction opposite to the screwing direction with respect to the male thread portion of the operation pipe. The needle tip generates a propulsive force toward the side by receiving a rotational operation along the male threaded portion of the operation pipe, For air-filled objects Compressed air filling using the inflating handle that forms the basis of the present invention, in which the end surface is operated so as to press the peripheral surface of the slit of the air filling object valve and relatively pull out the needle. Is the method.

    As described above, according to the pneumatic handle of the present invention, unlike the conventional ones, the proximal end connecting portion of the operation pipe is airtightly connected to the compressed air supply source from the unique characteristic configuration as described above. In the state where the needle removal nut is screwed so as to fit in a posture that does not hook onto the needle portion of the needle, the needle portion of the needle is connected to the valve of the air-filled object, and the needle removal nut After inserting to the depth to which the opposite end of the head contacts, and filling the air-filled object with compressed air, rotating the needle removal nut in a screwing direction opposite to the screwing direction will cause screw feed operation. As a result, the operation pipe is automatically and relatively retracted from the valve of the air filling object, and the needle portion of the needle is easily and easily moved without being affected by the frictional force with the valve slit. Is it a valve for filling objects? It shall be withdrawn vertically, in which is soo features that the deformation or breakage at the time of up to many needles had occurred de 抜操 operation previously can be what can be reliably prevented obtained.

    In addition, at least the end surface of the needle pull-out nut that comes into contact with the peripheral surface of the valve of the air-filled object is an annular flat surface that is orthogonal to the needle needle portion. The posture of the needle needle part when it is withdrawn from the valve is more reliably maintained perpendicular to the valve of the air-filled object, and the function of protecting the needle from deformation and breakage can be enhanced in each stage. It becomes. When the needle extraction nut is detachably attached to the male thread portion of the operation pipe, when carrying or carrying it, the needle extraction nut together with the needle is disassembled and removed from the operation pipe. It can be stored and transported in a protective case or the like, and the breakage of the needle pulling nut and needle during transportation and configuration can be more reliably prevented. In addition, if the nut for needle removal is provided on the male threaded part of the operation pipe so that it can move forward and backward until the tip of the needle part is exposed to a maximum of 2 to 3 mm, the air filling object is filled with compressed air. After that, when the needle removal nut is rotated in the screwing direction and the needle is removed from the valve, the needle needle tip is 2 to 3 mm when the needle removal nut is turned to the final stage. This prevents the range of air from remaining in the valve slit and inadvertently leaving the air-filled object valve to prevent scratches on the air-filled object skin and inadvertent dropping to the floor. It is possible to pull out the needle needle tip from the shallowness of 2 to 3 mm, greatly reducing it, and extracting the needle from the air-filled object valve more safely and reliably. That.

    The proximal end connection portion of the operation pipe is connected to the compressed air supply source via a pressure tube or a pressure hose so that the operation pipe can be easily routed and the air filling object is filled with air. In addition, the male screw part for attaching / detaching the needle at the base end part of the needle to be attached to the needle attaching / detaching female thread part at the inner periphery of the tip of the operation pipe is detachably screwed. In the unlikely event that the needle is deformed or damaged, the pneumatic handle can be easily replaced with a commercially available needle, and long-term use and maintenance can be realized.

    In addition, a rotating washer portion annularly arranged around the nut hole of the needle removal nut is positioned around the screw rotation axis of the nut hole. The friction force with the surface around the air-filled object valve generated during the rotation operation of the needle removal nut is determined by either detachably attaching to be freely rotatable, or by being rotatably connected. As a result, the rotational operability of the needle removing nut can be further reduced and the wear of the air-filled object surface can be reliably prevented.

    Furthermore, the cylindrical shape which consists of the material of either a soft synthetic resin or a hard synthetic resin over the range of either the whole outer periphery of the said nut for needle removal, or a part of outer periphery The grip cover is made to be external and integrated, and the gripping ability of the needle pulling nut is enhanced to make it easier to handle, and even a weak force can give a stronger rotational force. If it is made of soft synthetic resin, the cylindrical grip cover acts as a cushioning material to shock the floor and feet even if it is accidentally detached from the operation pipe and dropped. Is reduced to each stage.

    According to the method of filling compressed air using an air filling handle that forms the basis of the present invention, the needle of the air filling handle is inserted perpendicularly to the slit of the air filling object valve. The needle can be prevented from being deformed or damaged during the insertion operation, and after the air from the compressed air supply source is injected into the air filling object, the needle removal nut is connected to the operation pipe. The propulsive force of the needle tip toward the side by rotating in the screwing direction opposite to the screwing direction with respect to the male screw part of the needle and receiving a rotation operation along the male screw part of the operation pipe The end surface of the needle pull-out nut that comes into contact with the air filling object presses the surface around the slit of the air filling object valve so that the needle is relatively pulled out. The pulling force can be generated only in the direction parallel to the axis of the needle and perpendicular to the valve of the air-filled object, and the needle can be reliably deformed or damaged. Can be prevented.

In implementing the present invention having the above-described configuration, the best or desirable mode will be described.
The operation pipe forms a main body that serves as an operation gripping portion of the pneumatic handle according to the present invention, and its proximal end can be connected to a compressed air supply source. A function that can be detachably mounted so as to communicate with the compressed air supply source, and that the tip end of the wand can be screwed so that it can be advanced and retracted in the axial direction parallel to the needle already attached to the needle outer periphery. It is possible to ensure sufficient strength and airtightness to withstand the operation of inserting / removing the needle, the turning operation of the nut for removing the needle, and the operation of injecting compressed air. The base end is a base end connection portion that can be connected to a compressed air supply source, and the base end portion for attaching and detaching the needle is detachable at the tip end, and the tip outer periphery is longer than the length to the needle portion tip end. Length dimension The threaded nut must be engraved with a male thread that can be screwed in, and if necessary, the grip part that can assist the needle insertion operation and the turning operation of the needle removal nut are easy. It is possible to make the handle part and the like to be made exterior and additionally formed in a place where there is no hindrance.

    The proximal end connection portion of the operation pipe proximal end to the compressed air supply source enables the proximal end of the operation pipe to be connected to the compressed air supply source in an airtight manner, and is directly connected to the supply source. Or through a pressure tube or a pressure hose, and should be connectable in an airtight manner, for example, an integrated or connected end of the pressure tube or pressure hose It can be detachably connected by using a coupler and other one-touch connection parts.

    The external thread of the needle for attaching and detaching the needle at the tip of the operation pipe can be detachably and airtightly connected to the external thread of the needle that is engraved on the outer periphery of the base end of the base end for attaching and detaching the needle. And at least the tip of the operation pipe is concentrically arranged with the male threaded portion of the needle removal nut screwed on the outer periphery of the wand, and the needle can be connected with sufficient strength. Shall be done.

    The male threaded portion at the outer periphery of the operation pipe tip is either a detachable needle removal nut, or can be advanced or retracted to a position where the tip of the needle portion is exposed at a maximum of 2 to 3 mm, and the needle It functions so that it can be screwed so that it does not hang on the needle part of the needle, and the needle is removed from the valve by inserting the needle into the valve of the object to be filled with air or turning the nut for removing the needle. It must be strong enough to withstand the operating force associated with the extraction operation.

    The needle has a proximal end that can be connected to the tip of the operation pipe in an airtight manner, the tip of the needle can be inserted into a valve of an air-filled object, and the compressed air supplied through the operation pipe leaks to the outside. It fulfills the function of being injected into the air-filled object without taking out, and can basically be said to be a needle as an air needle for a conventional air pump, and can be easily replaced with a commercially available needle. It is desirable that the dimensions and shapes are set.

    When the tip of the operation pipe is screwed around the outer periphery of the needle and turned in the screwing direction with respect to the operation pipe, the needle removal nut is rotated so that the needle needle at the tip of the operation pipe is sufficiently exposed. When the operation pipe is retracted concentrically and parallel to the axis of the operation pipe and is turned in the screwing direction opposite to the screwing direction with respect to the operation pipe, the tip of the needle needle portion at the tip of the operation pipe is at most 2 Furthermore, the needle can be advanced concentrically and in parallel until it is moved to a position where it is exposed by 3 mm, or further disengaged from the tip of the operation pipe, and inserted into the valve of the air filling object. The needle portion of the needle that has been attached to the tip of the operation pipe is fulfilled with a function that enables the needle portion to be pulled out perpendicular to the valve of the air-filled object. Long It is assumed that the length dimension is set as described above, and that it can be screwed to a male screw portion engraved on the outer periphery of the tip of the operation pipe. The end surface that becomes a trap contacting the peripheral surface of the valve of the air-filled object should be formed to have an annular flat surface that is orthogonal to the needle portion.

    Further, as shown in the examples to be described later, the needle punching nut is annularly arranged around the nut hole of the needle punching nut at an appropriate position where the contact end to the air-filled object in the axial direction is trapped. The rotary washer may be detachable so as to be rotatable around the threaded rotation axis of the nut hole, or may be configured to be connected to be rotatable. As shown in the examples to be described later, either the entire outer periphery of the needle removing nut or a part of the outer periphery, either made of soft synthetic resin or hard synthetic resin A cylindrical grip cover made of one of the materials can be externally and integrally formed.

    The compressed air supply source supplies a stable pressure of compressed air from the proximal end of the operation handle of the air intake handle so that the compressed air can be forcibly filled against the reduced internal pressure of the object to be filled with air. Performs a function to enable pressure feeding, such as hand-operated and stepping-operated air pumps, electric air pumps and air compressors, or air cylinders filled with compressed air. Any material can be used as long as it can be supplied to the proximal end of the handle operation pipe, and the air-filled object can inject air into the interior. It must have valves that can be filled, such as various sports or game balls, tires, etc., floats, air cushions, simple pools, etc. Rukoto can.

According to the compressed air filling method using the air filling handle which forms the basis of the present invention, when the needle is inserted perpendicularly to the slit of the air filling object valve, the posture of the needle is determined by the human sense of insertion operation. Can be set to control perpendicularly to the slit of the needle, but before the base end portion of the needle abuts against the valve surface in advance, the opposite end surface of the needle removing nut is positioned around the air-filled object valve. The threading depth of the needle removal nut to the operation pipe is adjusted and set so that it comes into contact with the surface, and when the needle is inserted into the valve slit, the end face of the needle removal nut facing the air The needle can be set to be in contact with the peripheral surface of the filling object valve so that the needle can be held in a posture perpendicular to the valve slit.
In the following, the structure of the present invention will be described in detail together with an embodiment representative of the present invention shown in the drawings.

    Fig. 1 is a side view of the disassembled pneumatic handle, Fig. 2 is a side view of the pneumatic handle with the needle removal nut advanced to the tip, and Fig. 3 is a side view of the pneumatic handle with the needle removal nut retracted to the depth. FIG. 4 is a perspective view of the air removal handle in which the needle removal nut of FIG. 4 is retracted to a deep portion, a side view of the air removal handle with the needle removal nut modified from a part of FIG. 5, and a portion of FIG. The example shown in the perspective view of a pneumatic handle equipped with a modified needle removal nut and the perspective view of the pneumatic handle connected to the compressor of FIG. 7 shows the attachment / detachment of the needle 3 at the tip of the operation pipe 2. It is assumed that the base end portion 31 is detachably connected to the outer periphery of the distal end of the operation pipe 2 so that the male screw portion 23 longer than the needle 3 can be screwed onto the outer periphery of the distal end of the operation pipe 2. Engraved Either the needle removal nut 4 can be attached to or removed from the male screw portion 23, or the needle portion of the needle 3 can be moved back and forth to a position where the tip of the needle portion 30 is slightly exposed at most. 3 shows a typical embodiment of the pneumatic handle according to the present invention, which is screwed so as to fit in a posture not hanging on 30.

    As can be clearly seen from these drawings, the pneumatic handle 1 of the present invention has an outer diameter of 9 mm in an outer pipe 20 made of a synthetic resin having an outer diameter of 15 mm, an inner diameter of 9 mm, and a length of 60 mm. The metal middle pipe 21 having a length of 115 mm has an operation pipe 2 that is integrated by being driven to expose 6 mm at the front end and 45 mm at the rear end, respectively. A needle attachment / detachment female screw portion 22 to which a needle attachment / detachment male screw portion 32 of a commercially available needle 3 attachment / detachment base end portion 31 can be screwed is formed, and a compressed air supply source 5 is provided at the proximal end of the pipe 21. A base end connection portion made of an air coupler (not shown) that can be detachably connected to the distal end of the pressure hose 50 extended from the small air compressor 5 is integrated and formed. Proximal from the tip is as a male threaded portion 23 of the M14 in the range of 43mm to Wa is engraved.

    As shown in FIGS. 1 to 4, the male thread portion 23 of the operation pipe 2 includes a total length 30 mm of the needle 3 needle portion 30, an exposed portion 5 mm of the detachable base end portion 31, and a distal end of the outer pipe 20. The M14 metal needle pull-out nut 4 set to a length of 50 mm, which is sufficiently longer than the total length of 41 mm of the tip 6 mm portion of the middle pipe 21 exposed from the screw, is screwed so as to be detachable, screwed and reciprocated. It is assumed that both end surfaces of the needle removing nut 4 form an annular flat surface orthogonal to the spiral axis of M14.

    As shown in FIGS. 5 and 6, the needle pull-out nut 4 is a contact end wall to a game ball 6 (shown in FIGS. 10 and 11 described later) which is an air-filled object in the axial direction. Further, a rotating washer portion 41 having an annular arrangement around the nut hole 40 of the needle removal nut 4 is rotatably connected and integrated so as to be rotatable around the screw rotation axis of the nut hole 40. In addition, a cylindrical grip cover 42 made of hard synthetic resin can be externally and integrally formed on the entire outer periphery of the needle removal nut 4.

(Operation of Example 1)
The pneumatic handle 1 of the present invention configured as described above can be used based on the compressed air filling method included in the present invention. In the following, according to the compressed air filling method of the present invention, Regarding the action of the handle 1, FIGS. 1 to 7 and FIG. 8, the front view of the inflating handle during compressed air injection, the front view of the inflating handle in FIG. 9, the compressed air in FIG. Shown with reference to the front view of the inflating handle partially modified during injection and the front view of the inflating handle partially modified in FIG. And

    As shown in FIG. 7, a coupler (not shown) at the base end of the pneumatic handle 1 is connected to the pressure hose 50 of the air compressor 5, and as shown in FIG. 3, the male screw portion 23 of the operation pipe 2 is connected. After the screwed nut removing nut 4 is turned in the screwing direction and retracted to the vicinity of the deepest position, the entire needle portion 30 of the needle 3 connected to the tip of the operating pipe 2 is exposed. As shown in FIG. 8, after being inserted perpendicularly to the slit of the competition ball 6 valve 60 which is an air filling object, compressed air is injected from the air compressor 5 through the pressure hose 50, and the competition ball 6 After adjusting the internal pressure to an appropriate air pressure value, as shown by the arrow in FIG. 9, the needle removal nut 4 is rotated counterclockwise with respect to the male thread portion 23 of the operation pipe 2. Reverse to screwing direction The driving ball 2 is subjected to a rotation operation along the male threaded portion 23 of the operation pipe 2 to generate a propulsive force toward the side of the needle 3, and the game ball 6 of the needle removal nut 4 It is assumed that the end surface that is in contact with the ball presses the surface around the slit of the game ball 6 valve 60 so that the needle 3 is relatively pulled out.

    The needle screw nut 23 can be advanced to a position where the needle tip is exposed at a maximum of 2 to 3 mm at the needle portion 23. The needle 3 is removed from the game ball 6 valve 60. When the needle 3 is pulled out, the length range of 2 to 3 mm at the tip of the needle 3 is engaged with the valve 60 slit, and the tip of the needle 3 is prevented from being inadvertently detached from the valve 60 slit. It is possible to work so as to complete the final pulling operation.

    Further, as shown in FIGS. 5 and 6, and FIGS. 10 and 11, when the pneumatic handle 1 incorporating the needle removal nut 4 with some changes is used, the needle 3 is played. Up to the stage of inserting the compressed air supplied from the air compressor 5 into the valve 60 of the service ball 6, it is possible to perform the same operation as that shown in FIGS. When the needle 3 is withdrawn from the valve 60 of the game ball 6 after the filling is completed, the needle removal nut 4 is rotated in the direction opposite to the screwing direction with respect to the male thread portion 23 of the operation pipe 2. When the reverse operation is performed in the screwing direction, as shown in FIG. 6, the rotating washer portion 41 joined to the surface of the game ball 6 of the needle removal nut 4 rotates relative to the needle removal nut 4. It ’s free The surface of the competition ball 6 and the rotating washer 41 are joined to each other, and while maintaining the stopped state, the rotational friction between the surface of the competition ball 6 and the nut 4 for removing the needle is greatly reduced. Further, a smooth turning operation can be realized, and further, the cylindrical grip cover 42 integrally provided with the needle removal nut 4 makes it easier to grip the needle removal nut 4.

(Effect of Example 1)
In addition to the features described in the section of the effect of the present invention, the pneumatic handle 1 according to the first embodiment having the above-described configuration includes a metal pipe 2 for operation as shown in FIG. It has a double structure with an outer pipe 20 made of synthetic resin attached to the outer periphery of the pipe 21. It can achieve high durability and is excellent in portability as it is sufficiently lightweight. In addition, as shown in FIG. 2, the needle removal nut 4 is rotated with respect to the male thread portion 23 of the operation pipe 2, and the needle 3 attached to the tip of the operation pipe 2 is If the needle removal nut 4 is arranged so that the entire needle portion 30 is surrounded, even when the needle 3 is transported and carried without being removed from the operation pipe 2, the needle 3 interferes with other objects. And is protected from external forces, Etc. or breakage can be more reliably prevented.

(Conclusion)
As described above, the compressed air filling method using the pneumatic handle according to the present invention can achieve the intended purpose evenly by the novel configuration, and is related to the conventional air pump and needle parts. Compared to technology, manufacturing is not only easy, but it can be made much more economical by extending the period of use. Schools and sports clubs that have been forced to pay attention to safety and replacement due to damage, deformation, etc., because they have easy and safe operability and convenience for storage and carrying. In addition to general households, the sporting goods industry that has neglected to deal with such issues will be highly evaluated and will be widely used and spread. It is expected that shall.

The drawings show some typical embodiments embodying the technical idea of the compressed air filling method using the pneumatic handle of the present invention.
It is a side view which shows the pneumatic handle in a decomposition | disassembly state. It is a side view which shows the pneumatic handle which advanced the needle | hook removal nut to the front-end | tip. It is a side view which shows the pneumatic handle which retracted the needle removal nut to the deep part. It is a perspective view which shows the inflating handle which the nut for needle removal retreated to the deep part. It is a side view which shows the nut for needle removal which changed a part. It is a perspective view which shows the nut for needle removal which changed the part. It is a perspective view which shows the pneumatic handle connected to the compressor. It is a front view which shows the inflating handle during compressed air injection | pouring. It is a front view which shows the pneumatic handle during extraction operation. It is a front view which shows the inflating handle which changed a part during air injection | pouring. It is a front view which shows the pneumatic handle which changed a part during extraction operation.

Explanation of symbols

1 Pneumatic handle 2 Pipe for operation
20 Outer pipe
21 Middle pipe
22 Female thread for needle attachment / detachment
23 Same male thread 3 Needle
30 Same needle
31 Base end for detachment
32 Same as above Male thread for attaching / detaching needle 4 Nuts for needle removal
40 Same nut hole
41 Same rotating washer
42 Same cylindrical grip cover 5 Air compressor (Supply source of compressed air)
50 Pressure-resistant hose 6 Ball for competition (object to be filled with air)
60 Same valve

Claims (5)

    The base end part for attaching and detaching the needle to be inserted into the valve of the air filling object is detachable and airtight with respect to the tip end of the operation pipe having the base end connecting part connectable to the compressed air supply source in an airtight manner And a needle removal nut having a length that is longer than the length from the tip of the operation pipe to the tip of the needle portion of the attached needle. To the position where the needle removal nut is detachable or the tip of the needle is exposed to a maximum of 2 to 3 mm. The pneumatic handle is characterized in that it can be moved forward and backward and is screwed so as to fit in a posture not to be hooked on the needle portion of the needle.         A needle engraved on the inner periphery of the distal end of the operation pipe having a proximal end connection portion that can be connected in an airtight manner either directly to the compressed air supply source or via a pressure tube or a pressure hose A threaded base end with a threaded male threaded part on the outer periphery of the base end part of the needle to be inserted into the air-filled object valve is detachably and airtightly attached to the removable threaded part. The needle is made to be concentrically connected to the outer periphery of the distal end of the operation pipe and has a length that is equal to or longer than the length from the distal end to the distal end of the needle portion of the attached needle. It is assumed that a male threaded portion that can be screwed into the extraction nut is engraved, and at least an end surface that becomes a contact with the peripheral surface of the valve of the air-filled object is formed on the male needle portion. It was formed on an annular flat surface that would be orthogonal The needle removal nut is either detachable or can be advanced or retracted to a position where the tip of the needle part is exposed to a maximum of 2 to 3 mm, and is held in a posture that does not engage the needle part of the needle. Thus, the pneumatic handle is characterized by being screwed together.     In the needle removal nut, the rotating washer that is annularly arranged around the nut hole of the needle removal nut is screwed into the nut hole at an appropriate position where the contact end to the air-filled object in the axial direction becomes a trap. The pneumatic handle according to any one of claims 1 and 2, wherein the pneumatic handle is configured to be detachable so as to be rotatable about a rotation axis or to be rotatably connected. .     The needle removal nut covers either the entire outer periphery or part of the outer periphery, and is a cylindrical grip cover made of either soft synthetic resin or hard synthetic resin. The pneumatic handle according to any one of claims 1 to 3, wherein the outer casing and the casing are integrated.     The needle removal nut screwed to the outer periphery of the operation pipe tip of the air handle is connected to the operation pipe tip by forwardly rotating in the mounting direction so that the male threaded portion of the operation pipe is arranged at the back. After the needle is sufficiently exposed, the needle is inserted perpendicularly to the slit of the air-filled object valve, and the air from the compressed air supply source is passed through the pipe and the needle in the operation pipe. After the air filling object has been increased to a desired internal pressure, the needle removal nut is rotated in the direction opposite to the screwing direction with respect to the male thread portion of the operation pipe. The needle tip generates a propulsive force toward the side by receiving a rotational operation along the male threaded portion of the operation pipe and rotating in the screwing direction. Abut against the object 5. The compression using the pneumatic handle according to any one of claims 1 to 4, wherein the surface is operated so as to press the surface around the slit of the air-filled object valve and relatively pull out the needle. Air filling method.

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