A kind of PVC drain pipe connector gluer
Technical field
The present invention relates to a kind of gluer more particularly to a kind of PVC drain pipe connector gluers.
Background technique
When connecting PVC drain pipe, in order not to allow water to flow out, need to carry out gluing to PVC drain pipe connector, typically now
It is that one hand of people holds PVC drain pipe connector, another hand holds hairbrush and glue is coated in PVC drain pipe inner nosepiece wall, such as
This, gluing efficiency is lower, and glue readily flows to people on hand;In order to avoid glue flows to people on hand, people can be worn
Set about set and carry out gluing, frictional force can be reduced in this way, cause to operate inconvenient.
Summary of the invention
Glue is coated in PVC drain pipe inner nosepiece wall in order to overcome people to hold hairbrush with hand, in this way, gluing efficiency compared with
It is low, and glue readily flow to people on hand the shortcomings that, technical problem of the invention: provide one kind can be improved gluing efficiency,
It can be avoided glue and flow to the PVC drain pipe connector gluer of people on hand.
The technical scheme is that a kind of PVC drain pipe connector gluer, include mounting disc, L shape bar, limit plate,
Compression cylinder, piston, plug, sliding block, hose, the first spring, hard tube, rubber head and driving mechanism, the left and right sides on front side of mounting disc
It is respectively connected with L shape bar, two L shape bar outer ends are connected with the limit plate that shape is arc, and middle part bolt is used on rear side of mounting disc
The compression cylinder of glue is contained, the piston that can be moved forward and backward is equipped in compression cylinder, is equipped at the top of compression cylinder for seal compression cylinder
Plug, mounting disc forward upper are provided with sliding slot, and sliding slot inner sliding type is equipped with sliding block, and slider bottom is connected with for flowing out glue
Hose, hose passes through mounting disc and compression cylinder forward upper, is connected with the first spring between bottom in slider bottom and sliding slot,
The embedded shape that is connected with is Z-shaped hard tube in the middle part of sliding block, and hard tube bottom end is connect with hose top, and hard tube top, which is connected with, to be used for
The rubber head for flowing out glue, mounting disc middle part are equipped with the driving mechanism for being moved forward and backward with piston.
Optionally, driving mechanism includes pull rod and bull stick, opening is provided in the middle part of mounting disc, it is square that shape is equipped in opening
The pull rod of shape, back end of tie rod are connect with piston, and pull rod front end is connected with bull stick.
It optionally, further include having clamping mechanism, clamping mechanism includes mounting rack, pulley, gag lever post, guide sleeve, kelly,
Two springs and bracing wire, two limit plates rear sides are respectively connected with the guide sleeve playing the guiding role, the card that shape is T shape are equipped in guide sleeve
Bar is connected with second spring between kelly and guide sleeve, bracing wire is respectively connected on two kellies, and connection is tangible on the outside of two limit plates
Shape is the mounting rack of n shape, at the top of two mounting racks rotary types connection there are two the pulley playing the guiding role to bracing wire, bracing wire around
Pulley is crossed, is all connected at the top of two mounting racks there are two the gag lever post for playing position-limiting action to bracing wire, the pulley of the left and right sides is located at
Between the gag lever post of the left and right sides.
Optionally, further include having wire sleeve, sliding sleeve and driving lever, be all connected with that there are two rise to lead to bracing wire on front side of two L shape bars
To the wire sleeve of effect, be drawstring through wire sleeve, be equipped with the sliding sleeve that can be moved left and right on two L shape bars, the bracing wire in left side with
The sliding sleeve in left side connects, and the bracing wire on right side and the sliding sleeve on right side connect, and driving lever is two, is divided on front side of two sliding sleeves.
Optionally, further include having sleeve, mounting rod and small brushes, the sleeve that shape is rectangle, set are connected at the top of hard tube
Equipped with shape for the mounting rod of rectangle in cylinder, the small brushes for swiping glue are connected to mounting rod top.
When needing to carry out gluing to PVC drain pipe connector, people pull up plug, and suitable glue is then poured into pressure
In contracting cylinder, then plug got back on compression cylinder, people can stir downwards sliding block, drive hard tube to move down, to drive glue
Head move down, the first spring is compressed at this time, then hold mounting disc make PVC drain pipe connector be stuck in two limit plates it
Between, sliding block is unclamped again, under the action of the first spring, sliding block is moved up, and rubber head moves up and PVC drain pipe connector therewith
Inner wall contact, under the action of the first spring, rubber head is contacted with PVC drain pipe inner nosepiece wall always, and people control driving machine again
Structure band piston moves forward, and sprays the glue in compression cylinder from rubber head by hose and hard tube, glue is sprayed on PVC drain pipe
Inner nosepiece wall, then people, which pin mounting disc and control driving mechanism, drives mounting disc to rotate clockwise, and hard tube and rubber head are therewith
It rotates clockwise, so that gluing is carried out to PVC drain pipe inner nosepiece wall, in this way, then holding hairbrush for glue with hand without people
It is coated in PVC drain pipe inner nosepiece wall, so as to improve gluing efficiency, and glue is can be avoided and flows to people on hand.It coats
After glue, people control driving mechanism, then take down the present invention from PVC drain pipe connector.
People are pulled along bull stick, and pull rod is driven to move forward, to move forward with piston, make the glue in compression cylinder
Water is sprayed from rubber head, is sprayed on PVC drain pipe inner nosepiece wall, and then people pin mounting disc and rotate clockwise bull stick, is driven and is drawn
Bar rotates clockwise, so that mounting disc be driven to rotate clockwise, hard tube and rubber head rotate clockwise therewith, to drain to PVC
Pipe fitting inner wall carries out gluing.After coating glue, people stop operating bull stick.
People can inwardly pull bracing wire, drive kelly to be displaced outwardly by bracing wire, second spring is stretched, and then holds peace
Sabot is stuck in PVC drain pipe connector between two limit plates, unclamps again bracing wire, and bracing wire is relaxed, in the effect of second spring
Under, kelly moves inward, and is stuck in kelly on PVC drain pipe connector, and the present invention is stuck on PVC drain pipe connector.In this way, then
Mounting disc is pinned on one side without people, rotates clockwise bull stick on one side, so as to reduce operation difficulty.
People can inwardly stir driving lever, and sliding sleeve is driven to move inward, and drive kelly to be displaced outwardly by bracing wire, then hold
Mounting disc is stuck in PVC drain pipe connector between two limit plates, unclamps again driving lever.In this way, then inwardly being drawn without people
Dynamic bracing wire, it is convenient and efficient.
When people rotate clockwise bull stick, and hard tube is driven to rotate clockwise, band moving sleeve is rotated clockwise, to drive
Mounting rod rotates clockwise, and small brushes rotate clockwise therewith, and small brushes swipe glue, and glue is evenly distributed in
PVC drain pipe inner nosepiece wall.When small brushes are old not to be available, people can remove mounting rod out of sleeve, by small brushes
It removes, then changes another small brushes.
Compared with prior art, the present invention has the advantage that the present invention can be made in compression cylinder by driving mechanism
Glue is sprayed from rubber head, and glue is sprayed on PVC drain pipe inner nosepiece wall, to carry out gluing to PVC drain pipe inner nosepiece wall, then without
It needs people to hold hairbrush with hand and glue is coated in PVC drain pipe inner nosepiece wall, so as to improve gluing efficiency, and can keep away
Exempt from glue flowing people on hand;The present invention can be stuck on PVC drain pipe connector, then be pressed on one side without people by clamping mechanism
Firmly mounting disc rotates clockwise bull stick on one side, so as to reduce operation difficulty;By inwardly stir driving lever can drive kelly to
Outer movement then inwardly pulls bracing wire without people, convenient and efficient;Glue can be swiped by small brushes, enables glue equal
Even is distributed in PVC drain pipe inner nosepiece wall.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention.
Fig. 2 is part left view structural representation of the invention.
Fig. 3 is partial top structural schematic diagram of the invention.
Fig. 4 is the enlarged diagram of part A of the present invention.
Parts title and serial number in figure: 1, mounting disc, 2, L shape bar, 3, limit plate, 4, compression cylinder, 5, piston, 6, plug
Son, 7, sliding slot, 8, sliding block, 9, hose, the 10, first spring, 11, hard tube, 12, rubber head, 13, driving mechanism, 131, opening, 132,
Pull rod, 133, bull stick, 14, clamping mechanism, 141, mounting rack, 142, pulley, 143, gag lever post, 144, guide sleeve, 145, kelly,
146, second spring, 147, bracing wire, 15, wire sleeve, 16, sliding sleeve, 17, driving lever, 18, sleeve, 19, mounting rod, 20, small brushes.
Specific embodiment
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
Embodiment 1
A kind of PVC drain pipe connector gluer, as shown in Figs 1-4, include mounting disc 1, L shape bar 2, limit plate 3, compression cylinder 4,
Piston 5, plug 6, sliding block 8, hose 9, the first spring 10, hard tube 11, rubber head 12 and driving mechanism 13, a left side for 1 front side of mounting disc
Right two sides are respectively connected with L shape bar 2, and two 2 outer ends of L shape bar are connected with the limit plate 3 that shape is arc, 1 rear side middle part of mounting disc
Bolt has the compression cylinder 4 for containing glue, and the piston 5 that can be moved forward and backward is equipped in compression cylinder 4, is equipped with and uses at the top of compression cylinder 4
In the plug 6 of seal compression cylinder 4,1 forward upper of mounting disc is provided with sliding slot 7, and 7 inner sliding type of sliding slot is equipped with sliding block 8,8 bottom of sliding block
Portion is connected with the hose 9 for flowing out glue, and hose 9 passes through 4 forward upper of mounting disc 1 and compression cylinder, 8 bottom of sliding block and cunning
The first spring 10 is connected in slot 7 between bottom, the embedded shape that is connected in 8 middle part of sliding block is Z-shaped hard tube 11,11 bottom of hard tube
End is connect with 9 top of hose, and 11 top of hard tube is connected with the rubber head 12 for flowing out glue, is equipped with and is used in the middle part of mounting disc 1
The driving mechanism 13 being moved forward and backward with piston 5.
Embodiment 2
A kind of PVC drain pipe connector gluer, as shown in Figs 1-4, include mounting disc 1, L shape bar 2, limit plate 3, compression cylinder 4,
Piston 5, plug 6, sliding block 8, hose 9, the first spring 10, hard tube 11, rubber head 12 and driving mechanism 13, a left side for 1 front side of mounting disc
Right two sides are respectively connected with L shape bar 2, and two 2 outer ends of L shape bar are connected with the limit plate 3 that shape is arc, 1 rear side middle part of mounting disc
Bolt has the compression cylinder 4 for containing glue, and the piston 5 that can be moved forward and backward is equipped in compression cylinder 4, is equipped with and uses at the top of compression cylinder 4
In the plug 6 of seal compression cylinder 4,1 forward upper of mounting disc is provided with sliding slot 7, and 7 inner sliding type of sliding slot is equipped with sliding block 8,8 bottom of sliding block
Portion is connected with the hose 9 for flowing out glue, and hose 9 passes through 4 forward upper of mounting disc 1 and compression cylinder, 8 bottom of sliding block and cunning
The first spring 10 is connected in slot 7 between bottom, the embedded shape that is connected in 8 middle part of sliding block is Z-shaped hard tube 11,11 bottom of hard tube
End is connect with 9 top of hose, and 11 top of hard tube is connected with the rubber head 12 for flowing out glue, is equipped with and is used in the middle part of mounting disc 1
The driving mechanism 13 being moved forward and backward with piston 5.
Driving mechanism 13 includes pull rod 132 and bull stick 133, and opening 131 is provided in the middle part of mounting disc 1, is equipped in opening 131
Shape is the pull rod 132 of rectangle, and 132 rear end of pull rod is connect with piston 5, and 132 front end of pull rod is connected with bull stick 133.
Embodiment 3
A kind of PVC drain pipe connector gluer, as shown in Figs 1-4, include mounting disc 1, L shape bar 2, limit plate 3, compression cylinder 4,
Piston 5, plug 6, sliding block 8, hose 9, the first spring 10, hard tube 11, rubber head 12 and driving mechanism 13, a left side for 1 front side of mounting disc
Right two sides are respectively connected with L shape bar 2, and two 2 outer ends of L shape bar are connected with the limit plate 3 that shape is arc, 1 rear side middle part of mounting disc
Bolt has the compression cylinder 4 for containing glue, and the piston 5 that can be moved forward and backward is equipped in compression cylinder 4, is equipped with and uses at the top of compression cylinder 4
In the plug 6 of seal compression cylinder 4,1 forward upper of mounting disc is provided with sliding slot 7, and 7 inner sliding type of sliding slot is equipped with sliding block 8,8 bottom of sliding block
Portion is connected with the hose 9 for flowing out glue, and hose 9 passes through 4 forward upper of mounting disc 1 and compression cylinder, 8 bottom of sliding block and cunning
The first spring 10 is connected in slot 7 between bottom, the embedded shape that is connected in 8 middle part of sliding block is Z-shaped hard tube 11,11 bottom of hard tube
End is connect with 9 top of hose, and 11 top of hard tube is connected with the rubber head 12 for flowing out glue, is equipped with and is used in the middle part of mounting disc 1
The driving mechanism 13 being moved forward and backward with piston 5.
Driving mechanism 13 includes pull rod 132 and bull stick 133, and opening 131 is provided in the middle part of mounting disc 1, is equipped in opening 131
Shape is the pull rod 132 of rectangle, and 132 rear end of pull rod is connect with piston 5, and 132 front end of pull rod is connected with bull stick 133.
It further include having clamping mechanism 14, clamping mechanism 14 includes mounting rack 141, pulley 142, gag lever post 143, guide sleeve
144, kelly 145, second spring 146 and bracing wire 147 are respectively connected with the guide sleeve 144 playing the guiding role on rear side of two limit plates 3,
It is equipped with the kelly 145 that shape is T shape in guide sleeve 144, second spring 146, two cards are connected between kelly 145 and guide sleeve 144
It is respectively connected with bracing wire 147 on bar 145, the mounting rack 141 that shape is n shape, two mounting racks are connected on the outside of two limit plates 3
For the rotary type connection of 141 tops there are two the pulley 142 that play the guiding role to bracing wire 147, bracing wire 147 bypasses pulley 142, and two
It is all connected at the top of mounting rack 141 there are two the gag lever post 143 for playing position-limiting action to bracing wire 147, the pulley 142 of the left and right sides is located at
Between the gag lever post 143 of the left and right sides.
Embodiment 4
A kind of PVC drain pipe connector gluer, as shown in Figs 1-4, include mounting disc 1, L shape bar 2, limit plate 3, compression cylinder 4,
Piston 5, plug 6, sliding block 8, hose 9, the first spring 10, hard tube 11, rubber head 12 and driving mechanism 13, a left side for 1 front side of mounting disc
Right two sides are respectively connected with L shape bar 2, and two 2 outer ends of L shape bar are connected with the limit plate 3 that shape is arc, 1 rear side middle part of mounting disc
Bolt has the compression cylinder 4 for containing glue, and the piston 5 that can be moved forward and backward is equipped in compression cylinder 4, is equipped with and uses at the top of compression cylinder 4
In the plug 6 of seal compression cylinder 4,1 forward upper of mounting disc is provided with sliding slot 7, and 7 inner sliding type of sliding slot is equipped with sliding block 8,8 bottom of sliding block
Portion is connected with the hose 9 for flowing out glue, and hose 9 passes through 4 forward upper of mounting disc 1 and compression cylinder, 8 bottom of sliding block and cunning
The first spring 10 is connected in slot 7 between bottom, the embedded shape that is connected in 8 middle part of sliding block is Z-shaped hard tube 11,11 bottom of hard tube
End is connect with 9 top of hose, and 11 top of hard tube is connected with the rubber head 12 for flowing out glue, is equipped with and is used in the middle part of mounting disc 1
The driving mechanism 13 being moved forward and backward with piston 5.
Driving mechanism 13 includes pull rod 132 and bull stick 133, and opening 131 is provided in the middle part of mounting disc 1, is equipped in opening 131
Shape is the pull rod 132 of rectangle, and 132 rear end of pull rod is connect with piston 5, and 132 front end of pull rod is connected with bull stick 133.
It further include having clamping mechanism 14, clamping mechanism 14 includes mounting rack 141, pulley 142, gag lever post 143, guide sleeve
144, kelly 145, second spring 146 and bracing wire 147 are respectively connected with the guide sleeve 144 playing the guiding role on rear side of two limit plates 3,
It is equipped with the kelly 145 that shape is T shape in guide sleeve 144, second spring 146, two cards are connected between kelly 145 and guide sleeve 144
It is respectively connected with bracing wire 147 on bar 145, the mounting rack 141 that shape is n shape, two mounting racks are connected on the outside of two limit plates 3
For the rotary type connection of 141 tops there are two the pulley 142 that play the guiding role to bracing wire 147, bracing wire 147 bypasses pulley 142, and two
It is all connected at the top of mounting rack 141 there are two the gag lever post 143 for playing position-limiting action to bracing wire 147, the pulley 142 of the left and right sides is located at
Between the gag lever post 143 of the left and right sides.
Further include having wire sleeve 15, sliding sleeve 16 and driving lever 17, is all connected on front side of two L shape bars 2 there are two being risen to bracing wire 147
The wire sleeve 15 of guiding role, bracing wire 147 pass through wire sleeve 15, are equipped with the sliding sleeve 16 that can be moved left and right on two L shape bars 2,
The bracing wire 147 in left side is connect with the sliding sleeve 16 in left side, and the bracing wire 147 on right side is connect with the sliding sleeve 16 on right side, and driving lever 17 is two,
It is divided into two sliding sleeves, 16 front side.
Embodiment 5
A kind of PVC drain pipe connector gluer, as shown in Figs 1-4, include mounting disc 1, L shape bar 2, limit plate 3, compression cylinder 4,
Piston 5, plug 6, sliding block 8, hose 9, the first spring 10, hard tube 11, rubber head 12 and driving mechanism 13, a left side for 1 front side of mounting disc
Right two sides are respectively connected with L shape bar 2, and two 2 outer ends of L shape bar are connected with the limit plate 3 that shape is arc, 1 rear side middle part of mounting disc
Bolt has the compression cylinder 4 for containing glue, and the piston 5 that can be moved forward and backward is equipped in compression cylinder 4, is equipped with and uses at the top of compression cylinder 4
In the plug 6 of seal compression cylinder 4,1 forward upper of mounting disc is provided with sliding slot 7, and 7 inner sliding type of sliding slot is equipped with sliding block 8,8 bottom of sliding block
Portion is connected with the hose 9 for flowing out glue, and hose 9 passes through 4 forward upper of mounting disc 1 and compression cylinder, 8 bottom of sliding block and cunning
The first spring 10 is connected in slot 7 between bottom, the embedded shape that is connected in 8 middle part of sliding block is Z-shaped hard tube 11,11 bottom of hard tube
End is connect with 9 top of hose, and 11 top of hard tube is connected with the rubber head 12 for flowing out glue, is equipped with and is used in the middle part of mounting disc 1
The driving mechanism 13 being moved forward and backward with piston 5.
Driving mechanism 13 includes pull rod 132 and bull stick 133, and opening 131 is provided in the middle part of mounting disc 1, is equipped in opening 131
Shape is the pull rod 132 of rectangle, and 132 rear end of pull rod is connect with piston 5, and 132 front end of pull rod is connected with bull stick 133.
It further include having clamping mechanism 14, clamping mechanism 14 includes mounting rack 141, pulley 142, gag lever post 143, guide sleeve
144, kelly 145, second spring 146 and bracing wire 147 are respectively connected with the guide sleeve 144 playing the guiding role on rear side of two limit plates 3,
It is equipped with the kelly 145 that shape is T shape in guide sleeve 144, second spring 146, two cards are connected between kelly 145 and guide sleeve 144
It is respectively connected with bracing wire 147 on bar 145, the mounting rack 141 that shape is n shape, two mounting racks are connected on the outside of two limit plates 3
For the rotary type connection of 141 tops there are two the pulley 142 that play the guiding role to bracing wire 147, bracing wire 147 bypasses pulley 142, and two
It is all connected at the top of mounting rack 141 there are two the gag lever post 143 for playing position-limiting action to bracing wire 147, the pulley 142 of the left and right sides is located at
Between the gag lever post 143 of the left and right sides.
Further include having wire sleeve 15, sliding sleeve 16 and driving lever 17, is all connected on front side of two L shape bars 2 there are two being risen to bracing wire 147
The wire sleeve 15 of guiding role, bracing wire 147 pass through wire sleeve 15, are equipped with the sliding sleeve 16 that can be moved left and right on two L shape bars 2,
The bracing wire 147 in left side is connect with the sliding sleeve 16 in left side, and the bracing wire 147 on right side is connect with the sliding sleeve 16 on right side, and driving lever 17 is two,
It is divided into two sliding sleeves, 16 front side.
Further include having sleeve 18, mounting rod 19 and small brushes 20, the sleeve 18 that shape is rectangle be connected at the top of hard tube 11,
Equipped with shape for the mounting rod 19 of rectangle in sleeve 18, the small brushes 20 for swiping glue are connected to 19 top of mounting rod.
When needing to carry out gluing to PVC drain pipe connector, people pull up plug 6, then pour into suitable glue
In compression cylinder 4, then plug 6 being got back on compression cylinder 4, people can stir downwards sliding block 8, and drive hard tube 11 to move down, from
And rubber head 12 is driven to move down, the first spring 10 is compressed at this time, and then holding mounting disc 1 is stuck in PVC drain pipe connector
Between two limit plates 3, sliding block 8 is unclamped again, under the action of the first spring 10, sliding block 8 is moved up, and rubber head 12 is upward therewith
Movement is contacted with PVC drain pipe inner nosepiece wall, and under the action of the first spring 10, rubber head 12 is always and in PVC drain pipe connector
Wall contact, people control driving mechanism 13 again and move forward with piston 5, and the glue in compression cylinder 4 is made to pass through hose 9 and hard tube
11 spray from rubber head 12, and glue is sprayed on PVC drain pipe inner nosepiece wall, and then people pin mounting disc 1 and control driving mechanism 13
Drive mounting disc 1 rotate clockwise, hard tube 11 and rubber head 12 rotate clockwise therewith, thus to PVC drain pipe inner nosepiece wall into
Row gluing applies in this way, then holding hairbrush with hand without people is coated in PVC drain pipe inner nosepiece wall for glue so as to improve
Glue efficiency, and can be avoided glue and flow to people on hand.After coating glue, people control driving mechanism 13, then send out this
It is bright to be taken down from PVC drain pipe connector.
People are pulled along bull stick 133, and pull rod 132 is driven to move forward, to move forward with piston 5, make to compress
Glue in cylinder 4 is sprayed from rubber head 12, is sprayed on PVC drain pipe inner nosepiece wall, then people pin mounting disc 1 and rotate clockwise
Bull stick 133 drives pull rod 132 to rotate clockwise, so that mounting disc 1 be driven to rotate clockwise, hard tube 11 and rubber head 12 are suitable therewith
Hour hands rotation, to carry out gluing to PVC drain pipe inner nosepiece wall.After coating glue, people stop operating bull stick 133.
People can inwardly pull bracing wire 147, drive kelly 145 to be displaced outwardly by bracing wire 147, second spring 146 is drawn
It stretches, then holding mounting disc 1 is stuck in PVC drain pipe connector between two limit plates 3, unclamps again bracing wire 147,147 quilt of bracing wire
Loosen, under the action of second spring 146, kelly 145 is moved inward, and is stuck in kelly 145 on PVC drain pipe connector, incite somebody to action this
Invention is stuck on PVC drain pipe connector.In this way, then pinning mounting disc 1 on one side without people, bull stick 133 is rotated clockwise on one side,
So as to reduce operation difficulty.
People can inwardly stir driving lever 17, and sliding sleeve 16 is driven to move inward, and drive kelly 145 to be moved out by bracing wire 147
Dynamic, then holding mounting disc 1 is stuck in PVC drain pipe connector between two limit plates 3, unclamps again driving lever 17.In this way, then
Bracing wire 147 is inwardly pulled without people, it is convenient and efficient.
When people rotate clockwise bull stick 133, and hard tube 11 is driven to rotate clockwise, band moving sleeve 18 is rotated clockwise, from
And mounting rod 19 is driven to rotate clockwise, small brushes 20 rotate clockwise therewith, and small brushes 20 swipe glue, enable glue
It is evenly distributed in PVC drain pipe inner nosepiece wall.When small brushes 20 are old not to be available, people can be by mounting rod 19 from sleeve
It is removed in 18, small brushes 20 is removed, then change another small brushes 20.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.