Summary of the invention
Main purpose of the present invention is to provide a kind of combustion taps fixation arrangement and using method thereof, can simple and fast ground installs, disassembling section, and meets the hommization operational requirements.
For reaching described purpose, the invention provides a kind of combustion taps fixation arrangement, it is installed on a dunnage with an opening; Comprise:
One combustion taps, comprise a leader shell, and its bottom has an opening, and the surrounding wall wall of close bottom radially is provided with at least one penetration hole; Described combustion taps bottom has one and enters the water connecting pipeline, can down extend through the bottom opening of described leader shell;
One can be operated the inside and outside mobile latch components between position that releases in a snap close position and along described penetration hole with controlling;
one fixing device, comprise a block set, has a bottom ring wall in order to abut against described dunnage at its parameatal top wall, and inside defines one can enter the passage that the water connecting pipeline passes through thus for described combustion taps bottom, at least one position of periphery wall is provided with a chute that can slip into for the latch components that is positioned at the snap close position on described leader shell, also be provided with at least one ratchet and at least one draw-in groove in described chute, described latch components by described ratchet after snaps into position in described draw-in groove, and fixing by described ratchet restriction, described leader shell bottom end opening sliding sleeve locking is on described block set, the chute of described block set periphery wall comprises one along axially extended vertical chute, and one extend along circumferencial direction the horizontal concrete chute be connected with described vertical chute, and be formed with described ratchet and draw-in groove in described horizontal concrete chute, after can vertically slipping into described vertical chute, rotation slips into the described latch components in described horizontal concrete chute again, described latch components by snaps into position in the draw-in groove of described horizontal concrete chute, and fixing by the restriction of described ratchet.
Further, described fixing device also comprises:
Two spacing pins, described two spacing pins and described block set central axis are connected in the opposition side of described block set internal diameter peripheral region in parallel to each other, and its end down extends to described dunnage below by described passage;
Two clamping screws, described two clamping screws and described block set central axis are abreast through the opposition side of described block set internal diameter peripheral region, and adjoin mutually with described spacing pin separately, and its end down extends to described dunnage below by described passage;
Two grip blocks, described two grip blocks are screwed together in respectively described clamping screw, and by the rotation of described clamping screw, and the restriction of described spacing pin is rotated, and with described dunnage bottom wall, mutually abut against clamping, and described block set is clamped to the top of this dunnage.
The present invention also provides a kind of using method of combustion taps fixation arrangement, comprises following installation steps:
A, a combustion taps, a latch components and a fixing device purchase step; Wherein:
Described combustion taps, comprise a leader shell, and its bottom has an opening, and bottom surrounding wall wall radially is provided with at least one penetration hole; Described combustion taps bottom has one and enters the water connecting pipeline and prolong the bottom opening of down stretching by described leader shell;
Described latch components can be operated inside and outside movement the between position of releasing in a snap close position and along described penetration hole with controlling;
Described fixing device, comprise a block set, has a bottom ring wall, and inside defines a passage, and at least one position of periphery wall is provided with a chute, is provided with at least one ratchet and at least one draw-in groove in described chute;
The Preinstallation Steps of b, described latch components; In the penetration hole of described leader shell, make it release and to move between position in a snap close position and described latch components pre-installation; Afterwards, it is controlled on a snap close position;
The fixing step of c, described fixing device; The block set bottom ring wall of described fixing device is abutted against and is fixed in a dunnage on the wall of the parameatal top of one;
The alignment procedures of d, described leader shell; The bottom end opening of described leader shell is aimed at described block set, simultaneously latch components on it is aimed at the chute on described block set, and the water connecting pipeline that enters of described combustion taps bottom down is stretched through from described block set inner passage;
The sliding sleeve step of e, described leader shell; With the bottom end opening sliding sleeve of described leader shell on described block set, its latch components is slipped in described chute, and by after the ratchet in it with the mutual snaps into position of described draw-in groove, and can limit it by described ratchet and back move, and described leader shell locking is remained on described fixing device, and complete the installation exercise of described combustion taps fixation arrangement.
The using method of described combustion taps fixation arrangement, the chute of described fixing device comprises one along axially extended vertical chute, and one extend along circumferencial direction the horizontal concrete chute be connected with described vertical chute, and be provided with described ratchet and draw-in groove in described horizontal concrete chute; The latch components of described leader shell can be aimed at the vertical chute on described block set, and vertically slip in described vertical chute, afterwards, again by the rotation fixing step of carrying out described leader shell, described leader shell is rotated toward predetermined direction, force latch components on it further laterally to slip in described horizontal concrete chute, make it by after described ratchet, can be limited back rotationally and the mutual snaps into position of described draw-in groove.
The using method of described combustion taps fixation arrangement, its fixing device also comprises:
Two spacing pins, can be connected in parallel to each other with described block set central axis the opposition side of described block set internal diameter peripheral region, and its end can down extend to described dunnage below by described passage;
Two clamping screws, can be with described block set central axis abreast through the opposition side of described block set internal diameter peripheral region, and adjoins mutually with described spacing pin separately, and its end can down extend to described dunnage below by described passage;
Two grip blocks, be screwed together in respectively described clamping screw, and can be by the rotation of described clamping screw, and the restriction of described spacing pin is rotated, and with described dunnage bottom wall, mutually abut against clamping, and described block set is clamped to the top of described dunnage.
the using method of described combustion taps fixation arrangement, in the fixing step of described fixing device, can be first with the clamping screw on described block set, grip block on each clamping screw, and the spacing pin on block set down is stretched through from the opening of described dunnage, make the block set bottom ring wall of described fixing device be able to mutually abut against with described dunnage top wall, again each clamping screw is rotated stopper toward predetermined direction, when making each grip block be kept out the restriction rotation by each spacing pin of its adjacent side, be able to up be screwed togather drive along each clamping screw, and the bottom wall relative with described dunnage abuts against packing mutually, and complete the step that grips of fixing device.
Combustion taps fixation arrangement of the present invention and using method thereof have been adopted, after fixing device is fixed in dunnage by pre-installation, owing to only needing in advance latch components to be installed on leader shell, and be controlled on the snap close position, carrying out simultaneously the sliding sleeve of leader shell with between block set is combined, or be rotated again operation, can complete the fitting operation of combustion taps; During its dismounting, also only need latch components is controlled on the position of releasing, the whole combustion taps that can will comprise leader shell is up dismantled and is taken off, and therefore, the suitable simple and fast of its installation and removal operation, meet the hommization operational requirements.
Fixing device of the present invention can be fully grip operation from the dunnage top, and needn't be forced to from the dunnage below carry out fitting operation as prior art, therefore also suitable simple and fast of the fitting operation of its fixing device meets the operational requirements of hommization equally.
Description of drawings
Fig. 1 is the outward appearance constitutional diagram of combustion taps of the present invention.
Fig. 2 is the sectional perspective exploded view of combustion taps fixation arrangement of the present invention.
Fig. 3 is the A-A side cutaway view of the present invention along Fig. 2.
Fig. 4 is the B-B side cutaway view of the present invention along Fig. 2.
Fig. 5 is the side cutaway view of leader shell of the present invention.
Fig. 6 is the outward appearance constitutional diagram of fixing device of the present invention.
Fig. 7 is the stereo appearance figure of block set of the present invention.
Fig. 8 is the top plan view of block set of the present invention.
Fig. 9 is the three-dimensional exploded view of block set of the present invention.
Figure 10 is the three-dimensional exploded view of grip block of the present invention.
Figure 11 is the C-C transverse sectional view of the present invention along Fig. 6, and shows that two grip blocks are in the position that mutually closely connects.
Figure 12 be two grip blocks of Figure 11 of the present invention be rotated be in mutually away from position.
Figure 13 is the action schematic diagram that leader shell of the present invention prepares to be positioned toward low sleeve block set.
After Figure 14 is the leader shell sliding sleeve of Figure 13 of the present invention, by the action schematic diagram that rotates toward predetermined direction immediately.
Figure 15 be the present invention after Figure 13 rotating position, the snaps into position state partial side, cross-sectional view of the latch components on described leader shell, and show that described latch components is in the snap close position, and an imaginary position of releasing.
Figure 16 is another enforcement aspect schematic diagram that the present invention is installed on the latch components on leader shell.
Figure 17 is another embodiment's plan view from above of block set of the present invention.
Figure 18 is another embodiment's side cutaway view of leader shell of the present invention.
Figure 19 is embodiment's side plan view again of block set of the present invention.
Figure 20 is another embodiment's side plan view of block set of the present invention.
[primary clustering symbol description]
1 dunnage 1a opening
Wall 1c bottom, 1b top wall
10 combustion tapss
11 leader shell 111 openings
112 penetration hole 12 operating levers
13 enter water connecting pipeline 131 cold water water inlet pipes
132 hot water water inlet pipe 14 outlet pipes
20 latch components 21 elastic components
301 fixing devices
30 block set 300 C shape catching grooves
30a metallic material components 30b plastic material member
31 bottom ring wall 32 passages
The 33 vertical chutes of vertical chute 330
331 bottom cell wall 34 horizontal concrete chutes
340 horizontal concrete chute 341 end cell walls
342 bottom ring wall 35 ratchets
350 ratchet 36 draw-in grooves
The 360 outstanding positions of draw-in groove 37
371 keyhole 372 pivot holes
38 seal washer 39 orientation marks
40 spacing pins
50 clamping screw 51 spiral shell heads
60 grip blocks
61 metallic base 611 laminating positions
612 pivot ear 613 positioning holes
614 screw 62 rubber intermediate plates
621 locating column 622 sunk areas
623 annular enclosed flanges
The P1 snap close position P2 position of releasing
The L central axis
Embodiment
, in order to make purpose of the present invention, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figures 1 to 4, the invention provides a kind of preferred embodiment of combustion taps fixation arrangement, mainly comprise a combustion taps 10, a latch components 20 and a fixing device 301, below for the explanation of described composition member division.
Described combustion taps 10, can be for being mounted on a dunnage 1 with an opening 1a, described dunnage 1 can be general typical kitchen cabinet top board for kitchen use, in order to form a table top, and typical kitchen cabinet is equipped with a tank, and described combustion taps 10 can be installed on described tank dunnage 1 on every side.the combustion taps 10 of the present embodiment is general common single shank type combustion taps, mainly comprise a leader shell 11, its inside is equipped with one can be for the Mixed water valve (not shown) that mixes cold water and hot water, and leader shell 11 1 sides are equipped with an operating lever 12, can supply the described Mixed water valve of switch, described Mixed water valve bottom is connected with one and enters water connecting pipeline 13, but it comprises cooling, the cold water water inlet pipe 131 that hot water flows into thus and a hot water water inlet pipe 132, described leader shell 11 tops are connected with an outlet pipe 14, usually can be by moving rotary to adjust angle of water.The contexture of described combustion taps 10 belongs to known techniques, the technology category that non-wish of the present invention is inquired into.The major character of leader shell 11 of the present invention is: its bottom has an opening 111, and bottom surrounding wall wall radially is provided with a penetration hole 112, and the penetration hole 112 of the present embodiment is a screw, as shown in Figure 5.
Described latch components 20, can be operated with controlling and move inside and outside a snap close position P1 and releases between the P2 of position along described penetration hole 112, as shown in figure 15.The latch components 20 of the present embodiment is a bolt, and the penetration hole 112 that can be screw with described leader shell 11 screws togather mutually, and can be rotated, operatively is controlled at described snap close position P1 and releases between the P2 of position.
As shown in Figure 6, described fixing device 301, mainly comprise a block set 30, two spacing pins 40, two clamping screws 50, and two grip blocks 60; Wherein:
described block set 30, as shown in Figure 7, has a bottom ring wall 31, in order to abut against on the top wall 1b around described dunnage 1 is positioned at described opening 1a, its inside defines a passage 32, can enter water connecting pipeline 13 for described combustion taps 10 bottoms passes through thus, position of its periphery wall is provided with and is interconnected and along axially extended one vertical chute 33, an and horizontal concrete chute 34 that extends along circumferencial direction, be disposed with three ratchets 35 along the chute bearing of trend in described horizontal concrete chute 34, described wantonly two 35 of adjacent ratchets respectively define a draw-in groove 36, and 341 of the horizontal concrete chute 34 end cell walls of last ratchet 35 and adjacent side also define a draw-in groove 36, therefore define altogether three draw-in grooves 36, can be for the described latch components 20 that can be bolt snaps into position optionally.
Radially be extended with the outstanding position 37 of two opposition sides in described block set 30 inner circle wall face bottoms are more past, and described projection position 37 roughly is positioned at the top end of described dunnage 1 opening 1a pore diameter range, as shown in Figure 8.
Described block set 30 periphery walls and bottom ring wall more are separately installed with a seal washer 38, as shown in Fig. 3,4, can only be sealed in described leader shell 11 bottom end opening 111 inner circle wall faces in order to support respectively, and described dunnage 1 is positioned at its opening 1a relative top wall 1b on every side.
Described block set 30 top walls have more identified an orientation mark 39, can be used as the guiding of block set 30 on the circumferencial direction mounting point.The orientation mark 39 of the present embodiment is an arrow.
Described block set 30 can be installed location for leader shell 11, during operation, the latch components 20 that is positioned at snap close position P1 on leader shell 11 can be aimed at mutually with the vertical chute 33 on described block set 30, afterwards, with its bottom end opening 111 and the mutual sliding sleeve of described block set 30, as shown in figure 13, at this moment, its latch components 20 can down slide onto the final position, below along its vertical chute 33; Then, then, by rotating described leader shell 11, force described latch components 20 to do the circumferencial direction slippage along described horizontal concrete chute 34, so, can by after at least one described ratchet 35 with wherein the mutual snaps into position of first draw-in groove 36; Certainly, can be again by continuing, rotate leader shell 11, make described latch components 20 can with the mutual snaps into position of follow-up arbitrary selected draw-in groove 36, accordingly, described leader shell 11 can be locked and remains on described fixing device 301, as shown in figure 14 securely.
For making slightly tool flexible deformation characteristic of described block set 30 each ratchets 35, enter in selected draw-in groove 36 to guarantee that described latch components 20 can be smoothly through thus, simultaneously need take into account the structural strength that block set 30 should possess again, as shown in Fig. 7,9, can be by a hard material member 30a and a plastic material member 30b of moulding in advance, the plastic material member 30b inlay card of c-shaped latch closure shape roughly is fastened in a C shape catching groove 300 of moulding in advance on described hard material member 30a periphery wall, molds the block set 30 of the present embodiment.Wherein, described hard material member 30a can adopt metallic material to form the major component of described block set 30, to guarantee it, has enough structural strengths, particularly outstanding position 37; Described plastic material member 30b, in order to form the major component, the particularly ratchet 35 of horizontal concrete chute 34 inside of described vertical chute 33 and horizontal concrete chute 34, makes it possess required flexible deformation's characteristic.
Described spacing pin 40, as shown in Figure 6, can be connected in parallel to each other on the described outstanding position 37 of described block set 30 internal diameter peripheral region two opposition sides with described block set 30 axis L, and end can down extend to described dunnage 1 below by described passage 32.The spacing pin 40 of the present embodiment can be run through in the keyhole 371 that is packed in described block set 30 each outstanding position 37 places settings.
Described clamping screw 50, as shown in Figure 6, can be with described block set 30 axis L abreast on the described outstanding position 37 of described block set 30 internal diameter peripheral region two opposition sides, and adjoin mutually with described spacing pin 40 separately, its end can down extend to described dunnage 1 below by described passage 32.In the pivot hole 372 that the clamping screw 50 of the present embodiment can be arranged through described block set 30 each 37 places, outstanding position pivotally by activity, and its top spiral shell head 51 can be limited in 372 tops, pivot hole.
Described grip block 60, can be screwed together in respectively on described clamping screw 50, and can be by the rotation of described clamping screw 50, and the restriction of described spacing pin 40 is rotated, and clamping is packed on the bottom wall 1c of described dunnage 1, and described fixing device 301 can be clamped on described dunnage 1 securely.
As shown in figure 10, the grip block 60 of the present embodiment is by a metallic base 61, and a rubber intermediate plate 62 that is incorporated into described metallic base 61 tops forms.Described metallic base 61 respectively has a laminating position 611, and a pivot ear 612 that is positioned at 611 inboard stage casings, described laminating position; Described laminating position 611 is roughly that the axis L take described block set 30 is radiated entends as the center of circle and forms, and respectively is provided with two positioning holes 613 on it, can relatively set location for two locating columns 621 of described relative rubber intermediate plate 62 bottom projections; Described pivot ear 612 places respectively are provided with a screw 614, can mutually screw togather with described clamping screw 50; Described rubber intermediate plate 62 roughly is the first quarter moon shape, and respectively is provided with a sunk area 622 in the middle of the wall of top, can use and form around an annular enclosed flange 623, in order to the bottom wall 1c relative with described dunnage 1, mutually abuts against packing.
The using method of combustion taps fixation arrangement of the present invention comprises following installation steps:
A, purchase step;
Purchase in advance described combustion taps 10, latch components 20 and fixing device 301.
The installation steps of b, latch components 20;
Described latch components 20 pre-installations are controlled on the snap close position P1 of described leader shell 11 penetration holes 112.
The fixing step of c, fixing device 301;
The block set of described fixing device 301 30 bottom ring walls 31 are abutted against and are fixed on the top wall 1b around described dunnage 1 opening 1a.
Furtherly, first confirm grip block 60 positions on described clamping screw 50, whether can allow its opening by described dunnage 1 1a, if can't pass through, can be with each grip block 60 switches to close each other orientation, till both occupied space width being contracted to can be allowed to pass through from the opening 1a of described dunnage 1, as shown in figure 11.
afterwards, with the clamping screw 50 on block set 30 together with the grip block 60 on it, and the spacing pin 40 on block set 30, down be stretched through from the opening 1a of described dunnage 1, until the block set 30 bottom ring walls 31 of described fixing device 301 abut against mutually with dunnage 1 top wall 1b, the recycling particular tool is from described block set 30 tops toward the top spiral shell head 51 of each clamping screw 50 of predetermined direction rotation stopper, make on it and be in each other the grip block 60 that closely connects state and can be rotated together drive, until with each spacing pin 40 of adjacent side, mutually abut against spacing being each other away from state, as shown in figure 12, can be under the rotarily driving that each clamping screw 50 continues, and along each clamping screw 50, up screw togather displacement, until the bottom wall 1c relative with dunnage 1 abuts against packing mutually, can complete the step that grips of fixing device 301.
The alignment procedures of d, combustion taps 10;
The leader shell of described combustion taps 10 11 bottom end openings 111 are aimed at block set 30, vertical chute 33 of simultaneously latch components on it 20 being aimed on block set 30, as shown in figure 13; Then, its bottom being entered water connecting pipeline 13 down is stretched through from block set 30 inner passages 32.
The sliding sleeve step of e, combustion taps 10;
With the leader shell of described combustion taps 10 11 bottom end openings 11 and the mutual sliding sleeve of block set 30, and make latch components 20 on it slide onto lower position along described vertical chute 33.
The rotation fixing step of f, combustion taps 10;
The leader shell of described combustion taps 10 11 is rotated toward predetermined direction, as shown in figure 14, force latch components 20 on it along described horizontal concrete chute 34 by at least one ratchet 35 in it after, can with a selected mutual snaps into position of draw-in groove 36 wherein, as shown in Figure 3, it can be limited toward back rotation; Accordingly, combustion taps 10 can be locked and remain on described fixing device 301, and complete all installation exercises of described combustion taps 10.
As shown in figure 16, latch components 20 of the present invention can be also a pull bar, and can utilize its upper sleeve through location one to can be the elastic component 21 of Compress Spring, be subjected to the elastic force effect of described elastic component 21 with making described pull bar normality, be in snap close position P1, and be moved to the position P2 that releases after can being pulled out and overcome the elastic force of described elastic component 21.
Block set 30 of the present invention is designed with three draw-in grooves 36, when latch components 20 snaps into position during in the draw-in groove 36 in neutral position, described operating lever 12 will be positioned at the position on combustion taps 10 positive right sides, when latch components 20 snaps into position during in other two draw-in grooves 36, described operating lever 12 will be positioned at combustion taps 10 inclined to one side the place aheads, right side, or the position at inclined to one side rear, right side, and can arrange according to Consumer's use habit fine setting.
In addition, due to the block set 30 of fixing device 301 of the present invention, can be by the arrow of orientation mark 39 forward or to be towards the setter direction that benchmark is installed fixing; Therefore, after combustion taps 10 was installed on block set 30, its operating lever 12 was positioned at right side naturally, as shown in figure 13.Hence one can see that, the installation position of described block set 30, and after determining that combustion taps 10 is installed, the position of its operating lever 12; In other words, by the installation position of controlling described block set 30, i.e. the position of controllable operation handle 12, therefore, the mounting point of described operating lever 12, can be according to different consumer demand free settings, and with described orientation, are not limited.
For example, for making operating lever 12 also can be set at left side according to consumer demand, can be at the another side place of the relatively original vertical chute 33 of described block set 30 periphery walls, be symmetrical arranged again vertical chute 330, horizontal concrete chute 340, ratchet 350 and the draw-in groove 360 of another group, as shown in figure 17, for installation personnel optionally with latch components 20 snaps into position in arbitrary selected draw-in groove 360, so, described operating lever 12 can be set in left side.
Another way, at the another side place of the relatively original penetration hole 112 of described leader shell 11 periphery walls, then be symmetrical arranged another penetration hole 112, as shown in figure 18, can reach equally the effect that operating lever 12 optionally is set in left side.
As shown in figure 19, block set 30 of the present invention, the ratchets 35 in its horizontal concrete chute 34 are that the bottom ring wall 342 along chute arranges, after can passing through for described latch components 20 equally suitably snaps into position in a selected draw-in groove 36 wherein.
As shown in figure 20, block set 30 of the present invention, also can not set described horizontal concrete chute 34, but most ratchets 35 are set on its vertical chute 33 directly, and 35 of each neighbouring ratchets, and below ratchet 35 defines respectively a draw-in groove 36 with 331 of bottom cell walls, with the 35 and wherein one mutual snaps into position of draw-in groove 36 of selecting after providing described latch components 20 by at least one ratchet; By this, when leader shell 11 sliding sleeves of combustion taps 10, after described block set 30, need again by a rotation program, can complete the snap close fixed operation.
Latch components 20 of the present invention can be by pre-installation at leader shell 11, and be controlled on the P1 of snap close position, after fixing device 301 is mounted on dunnage 1, only need described leader shell 11 sliding sleeves are rotated toward predetermined direction in the block set 30 of fixing device 301 is rear, latch components 20 rotation slide fasteners by vertical chute 33 on it are positioned in horizontal concrete chute 34, can complete the snap close fixed operation of combustion taps 10.
The using method of combustion taps fixation arrangement of the present invention, the demounting procedure that more comprises following combustion taps 10: only need latch components 20 is moved and is controlled on the described position P2 that releases, afterwards, the whole up application of force of combustion taps 10 that directly will comprise described leader shell 11 is mentioned, can smoothly described combustion taps 10 dismountings be taken off, with maintenance service or the replacing of carrying out assembly, and need any rotary manipulation supervisor, therefore the suitable simple and fast of the disassembling section of its combustion taps 10, meet the hommization operational requirements.
If the present invention adopts block set shown in Figure 20 30, more can be when combustion taps 10 to be installed, direct and block set 30 is carried out vertical sliding sleeve, and can complete to install and fix, and not need rotary manipulation, will be more fast and convenient in operation.
Fixing device 301 of the present invention can grip operation from dunnage 1 top fully, and needn't be forced to carry out from dunnage 1 below fitting operation as prior art, therefore, the fitting operation of its fixing device 301 is suitable simple and fast also, meets equally the operational requirements of hommization.
The present invention only needs at two described outstanding positions 37 of block set 30 inner circle wall face place's projection to the opening 1a top relative Repeat of dunnage 1; can arrange for described clamping screw 50 and spacing pin 60; therefore; can effectively the holding space of block set 30 inner passages 32 be maximized; guarantee entering water connecting pipeline 13 and can being stretched through thus easily of combustion taps 10 bottoms in order to do using, and be unlikely, cause the difficulty of installing.
The pivot ear 612 of grip block 60 of the present invention is positioned at the design at position, stage casing, can guarantee the laminating position 611 of grip block 60 can be steadily equably clamping be packed on dunnage 1 bottom wall 1c, fixing device 301 can be fixed on described dunnage 1 securely.
Grip block 60 of the present invention adopts the Combination Design of metallic base 61 and rubber intermediate plate 62, can provide better structural strength by described metallic base 61, and by described rubber intermediate plate 62, possess the good fit characteristic, make its laminating position 611 produce the effect of steadily fitting closely with dunnage 1 bottom wall 1c.In addition, the design of the annular enclosed flange 623 in its top, also can further strengthen the laminating effect, makes chucking power more firm lasting, and be difficult for producing the clamping gap, and cause the lax of follow-up chucking power.
In sum, the present invention has its splendid progress practicability in fact in like product, simultaneously all over the technical data of looking into both at home and abroad about this class formation, also find no identical structure in document or manufacture method is present in elder generation, be with, the present invention is real has possessed the patent of invention important document, then files an application in accordance with the law.
The foregoing is only preferred embodiment of the present invention,, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.